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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
128bddac | 4 | * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term * |
3e21d1cb | 5 | * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * |
50611577 | 6 | * Copyright (C) 2004-2016 Emulex. All rights reserved. * |
c44ce173 | 7 | * EMULEX and SLI are trademarks of Emulex. * |
d080abe0 | 8 | * www.broadcom.com * |
c44ce173 | 9 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 10 | * * |
11 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
12 | * modify it under the terms of version 2 of the GNU General * |
13 | * Public License as published by the Free Software Foundation. * | |
14 | * This program is distributed in the hope that it will be useful. * | |
15 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
16 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
17 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
18 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
19 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
20 | * more details, a copy of which can be found in the file COPYING * | |
21 | * included with this package. * | |
dea3101e | 22 | *******************************************************************/ |
23 | ||
dea3101e | 24 | #include <linux/blkdev.h> |
25 | #include <linux/pci.h> | |
26 | #include <linux/interrupt.h> | |
27 | #include <linux/delay.h> | |
5a0e3ad6 | 28 | #include <linux/slab.h> |
1c2ba475 | 29 | #include <linux/lockdep.h> |
dea3101e | 30 | |
91886523 | 31 | #include <scsi/scsi.h> |
dea3101e | 32 | #include <scsi/scsi_cmnd.h> |
33 | #include <scsi/scsi_device.h> | |
34 | #include <scsi/scsi_host.h> | |
f888ba3c | 35 | #include <scsi/scsi_transport_fc.h> |
da0436e9 | 36 | #include <scsi/fc/fc_fs.h> |
0d878419 | 37 | #include <linux/aer.h> |
1351e69f JS |
38 | #ifdef CONFIG_X86 |
39 | #include <asm/set_memory.h> | |
40 | #endif | |
dea3101e | 41 | |
895427bd JS |
42 | #include <linux/nvme-fc-driver.h> |
43 | ||
da0436e9 | 44 | #include "lpfc_hw4.h" |
dea3101e | 45 | #include "lpfc_hw.h" |
46 | #include "lpfc_sli.h" | |
da0436e9 | 47 | #include "lpfc_sli4.h" |
ea2151b4 | 48 | #include "lpfc_nl.h" |
dea3101e | 49 | #include "lpfc_disc.h" |
dea3101e | 50 | #include "lpfc.h" |
895427bd JS |
51 | #include "lpfc_scsi.h" |
52 | #include "lpfc_nvme.h" | |
f358dd0c | 53 | #include "lpfc_nvmet.h" |
dea3101e | 54 | #include "lpfc_crtn.h" |
55 | #include "lpfc_logmsg.h" | |
56 | #include "lpfc_compat.h" | |
858c9f6c | 57 | #include "lpfc_debugfs.h" |
04c68496 | 58 | #include "lpfc_vport.h" |
61bda8f7 | 59 | #include "lpfc_version.h" |
dea3101e | 60 | |
61 | /* There are only four IOCB completion types. */ | |
62 | typedef enum _lpfc_iocb_type { | |
63 | LPFC_UNKNOWN_IOCB, | |
64 | LPFC_UNSOL_IOCB, | |
65 | LPFC_SOL_IOCB, | |
66 | LPFC_ABORT_IOCB | |
67 | } lpfc_iocb_type; | |
68 | ||
4f774513 JS |
69 | |
70 | /* Provide function prototypes local to this module. */ | |
71 | static int lpfc_sli_issue_mbox_s4(struct lpfc_hba *, LPFC_MBOXQ_t *, | |
72 | uint32_t); | |
73 | static int lpfc_sli4_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *, | |
45ed1190 JS |
74 | uint8_t *, uint32_t *); |
75 | static struct lpfc_iocbq *lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *, | |
76 | struct lpfc_iocbq *); | |
6669f9bb JS |
77 | static void lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *, |
78 | struct hbq_dmabuf *); | |
ae9e28f3 JS |
79 | static void lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, |
80 | struct hbq_dmabuf *dmabuf); | |
895427bd | 81 | static int lpfc_sli4_fp_handle_cqe(struct lpfc_hba *, struct lpfc_queue *, |
0558056c | 82 | struct lpfc_cqe *); |
895427bd | 83 | static int lpfc_sli4_post_sgl_list(struct lpfc_hba *, struct list_head *, |
8a9d2e80 | 84 | int); |
f485c18d DK |
85 | static void lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, |
86 | struct lpfc_eqe *eqe, uint32_t qidx); | |
e8d3c3b1 JS |
87 | static bool lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba); |
88 | static bool lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba); | |
895427bd JS |
89 | static int lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, |
90 | struct lpfc_sli_ring *pring, | |
91 | struct lpfc_iocbq *cmdiocb); | |
0558056c | 92 | |
4f774513 JS |
93 | static IOCB_t * |
94 | lpfc_get_iocb_from_iocbq(struct lpfc_iocbq *iocbq) | |
95 | { | |
96 | return &iocbq->iocb; | |
97 | } | |
98 | ||
48f8fdb4 JS |
99 | #if defined(CONFIG_64BIT) && defined(__LITTLE_ENDIAN) |
100 | /** | |
101 | * lpfc_sli4_pcimem_bcopy - SLI4 memory copy function | |
102 | * @srcp: Source memory pointer. | |
103 | * @destp: Destination memory pointer. | |
104 | * @cnt: Number of words required to be copied. | |
105 | * Must be a multiple of sizeof(uint64_t) | |
106 | * | |
107 | * This function is used for copying data between driver memory | |
108 | * and the SLI WQ. This function also changes the endianness | |
109 | * of each word if native endianness is different from SLI | |
110 | * endianness. This function can be called with or without | |
111 | * lock. | |
112 | **/ | |
113 | void | |
114 | lpfc_sli4_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
115 | { | |
116 | uint64_t *src = srcp; | |
117 | uint64_t *dest = destp; | |
118 | int i; | |
119 | ||
120 | for (i = 0; i < (int)cnt; i += sizeof(uint64_t)) | |
121 | *dest++ = *src++; | |
122 | } | |
123 | #else | |
124 | #define lpfc_sli4_pcimem_bcopy(a, b, c) lpfc_sli_pcimem_bcopy(a, b, c) | |
125 | #endif | |
126 | ||
4f774513 JS |
127 | /** |
128 | * lpfc_sli4_wq_put - Put a Work Queue Entry on an Work Queue | |
129 | * @q: The Work Queue to operate on. | |
130 | * @wqe: The work Queue Entry to put on the Work queue. | |
131 | * | |
132 | * This routine will copy the contents of @wqe to the next available entry on | |
133 | * the @q. This function will then ring the Work Queue Doorbell to signal the | |
134 | * HBA to start processing the Work Queue Entry. This function returns 0 if | |
135 | * successful. If no entries are available on @q then this function will return | |
136 | * -ENOMEM. | |
137 | * The caller is expected to hold the hbalock when calling this routine. | |
138 | **/ | |
cd22d605 | 139 | static int |
205e8240 | 140 | lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe128 *wqe) |
4f774513 | 141 | { |
2e90f4b5 | 142 | union lpfc_wqe *temp_wqe; |
4f774513 JS |
143 | struct lpfc_register doorbell; |
144 | uint32_t host_index; | |
027140ea | 145 | uint32_t idx; |
1351e69f JS |
146 | uint32_t i = 0; |
147 | uint8_t *tmp; | |
5cc167dd | 148 | u32 if_type; |
4f774513 | 149 | |
2e90f4b5 JS |
150 | /* sanity check on queue memory */ |
151 | if (unlikely(!q)) | |
152 | return -ENOMEM; | |
153 | temp_wqe = q->qe[q->host_index].wqe; | |
154 | ||
4f774513 | 155 | /* If the host has not yet processed the next entry then we are done */ |
027140ea JS |
156 | idx = ((q->host_index + 1) % q->entry_count); |
157 | if (idx == q->hba_index) { | |
b84daac9 | 158 | q->WQ_overflow++; |
cd22d605 | 159 | return -EBUSY; |
b84daac9 JS |
160 | } |
161 | q->WQ_posted++; | |
4f774513 | 162 | /* set consumption flag every once in a while */ |
ff78d8f9 | 163 | if (!((q->host_index + 1) % q->entry_repost)) |
f0d9bccc | 164 | bf_set(wqe_wqec, &wqe->generic.wqe_com, 1); |
04673e38 JS |
165 | else |
166 | bf_set(wqe_wqec, &wqe->generic.wqe_com, 0); | |
fedd3b7b JS |
167 | if (q->phba->sli3_options & LPFC_SLI4_PHWQ_ENABLED) |
168 | bf_set(wqe_wqid, &wqe->generic.wqe_com, q->queue_id); | |
48f8fdb4 | 169 | lpfc_sli4_pcimem_bcopy(wqe, temp_wqe, q->entry_size); |
1351e69f JS |
170 | if (q->dpp_enable && q->phba->cfg_enable_dpp) { |
171 | /* write to DPP aperture taking advatage of Combined Writes */ | |
4c06619f JS |
172 | tmp = (uint8_t *)temp_wqe; |
173 | #ifdef __raw_writeq | |
1351e69f | 174 | for (i = 0; i < q->entry_size; i += sizeof(uint64_t)) |
4c06619f JS |
175 | __raw_writeq(*((uint64_t *)(tmp + i)), |
176 | q->dpp_regaddr + i); | |
177 | #else | |
178 | for (i = 0; i < q->entry_size; i += sizeof(uint32_t)) | |
179 | __raw_writel(*((uint32_t *)(tmp + i)), | |
180 | q->dpp_regaddr + i); | |
181 | #endif | |
1351e69f JS |
182 | } |
183 | /* ensure WQE bcopy and DPP flushed before doorbell write */ | |
6b3b3bdb | 184 | wmb(); |
4f774513 JS |
185 | |
186 | /* Update the host index before invoking device */ | |
187 | host_index = q->host_index; | |
027140ea JS |
188 | |
189 | q->host_index = idx; | |
4f774513 JS |
190 | |
191 | /* Ring Doorbell */ | |
192 | doorbell.word0 = 0; | |
962bc51b | 193 | if (q->db_format == LPFC_DB_LIST_FORMAT) { |
1351e69f JS |
194 | if (q->dpp_enable && q->phba->cfg_enable_dpp) { |
195 | bf_set(lpfc_if6_wq_db_list_fm_num_posted, &doorbell, 1); | |
196 | bf_set(lpfc_if6_wq_db_list_fm_dpp, &doorbell, 1); | |
197 | bf_set(lpfc_if6_wq_db_list_fm_dpp_id, &doorbell, | |
198 | q->dpp_id); | |
199 | bf_set(lpfc_if6_wq_db_list_fm_id, &doorbell, | |
200 | q->queue_id); | |
201 | } else { | |
202 | bf_set(lpfc_wq_db_list_fm_num_posted, &doorbell, 1); | |
1351e69f | 203 | bf_set(lpfc_wq_db_list_fm_id, &doorbell, q->queue_id); |
5cc167dd JS |
204 | |
205 | /* Leave bits <23:16> clear for if_type 6 dpp */ | |
206 | if_type = bf_get(lpfc_sli_intf_if_type, | |
207 | &q->phba->sli4_hba.sli_intf); | |
208 | if (if_type != LPFC_SLI_INTF_IF_TYPE_6) | |
209 | bf_set(lpfc_wq_db_list_fm_index, &doorbell, | |
210 | host_index); | |
1351e69f | 211 | } |
962bc51b JS |
212 | } else if (q->db_format == LPFC_DB_RING_FORMAT) { |
213 | bf_set(lpfc_wq_db_ring_fm_num_posted, &doorbell, 1); | |
214 | bf_set(lpfc_wq_db_ring_fm_id, &doorbell, q->queue_id); | |
215 | } else { | |
216 | return -EINVAL; | |
217 | } | |
218 | writel(doorbell.word0, q->db_regaddr); | |
4f774513 JS |
219 | |
220 | return 0; | |
221 | } | |
222 | ||
223 | /** | |
224 | * lpfc_sli4_wq_release - Updates internal hba index for WQ | |
225 | * @q: The Work Queue to operate on. | |
226 | * @index: The index to advance the hba index to. | |
227 | * | |
228 | * This routine will update the HBA index of a queue to reflect consumption of | |
229 | * Work Queue Entries by the HBA. When the HBA indicates that it has consumed | |
230 | * an entry the host calls this function to update the queue's internal | |
231 | * pointers. This routine returns the number of entries that were consumed by | |
232 | * the HBA. | |
233 | **/ | |
234 | static uint32_t | |
235 | lpfc_sli4_wq_release(struct lpfc_queue *q, uint32_t index) | |
236 | { | |
237 | uint32_t released = 0; | |
238 | ||
2e90f4b5 JS |
239 | /* sanity check on queue memory */ |
240 | if (unlikely(!q)) | |
241 | return 0; | |
242 | ||
4f774513 JS |
243 | if (q->hba_index == index) |
244 | return 0; | |
245 | do { | |
246 | q->hba_index = ((q->hba_index + 1) % q->entry_count); | |
247 | released++; | |
248 | } while (q->hba_index != index); | |
249 | return released; | |
250 | } | |
251 | ||
252 | /** | |
253 | * lpfc_sli4_mq_put - Put a Mailbox Queue Entry on an Mailbox Queue | |
254 | * @q: The Mailbox Queue to operate on. | |
255 | * @wqe: The Mailbox Queue Entry to put on the Work queue. | |
256 | * | |
257 | * This routine will copy the contents of @mqe to the next available entry on | |
258 | * the @q. This function will then ring the Work Queue Doorbell to signal the | |
259 | * HBA to start processing the Work Queue Entry. This function returns 0 if | |
260 | * successful. If no entries are available on @q then this function will return | |
261 | * -ENOMEM. | |
262 | * The caller is expected to hold the hbalock when calling this routine. | |
263 | **/ | |
264 | static uint32_t | |
265 | lpfc_sli4_mq_put(struct lpfc_queue *q, struct lpfc_mqe *mqe) | |
266 | { | |
2e90f4b5 | 267 | struct lpfc_mqe *temp_mqe; |
4f774513 | 268 | struct lpfc_register doorbell; |
4f774513 | 269 | |
2e90f4b5 JS |
270 | /* sanity check on queue memory */ |
271 | if (unlikely(!q)) | |
272 | return -ENOMEM; | |
273 | temp_mqe = q->qe[q->host_index].mqe; | |
274 | ||
4f774513 JS |
275 | /* If the host has not yet processed the next entry then we are done */ |
276 | if (((q->host_index + 1) % q->entry_count) == q->hba_index) | |
277 | return -ENOMEM; | |
48f8fdb4 | 278 | lpfc_sli4_pcimem_bcopy(mqe, temp_mqe, q->entry_size); |
4f774513 JS |
279 | /* Save off the mailbox pointer for completion */ |
280 | q->phba->mbox = (MAILBOX_t *)temp_mqe; | |
281 | ||
282 | /* Update the host index before invoking device */ | |
4f774513 JS |
283 | q->host_index = ((q->host_index + 1) % q->entry_count); |
284 | ||
285 | /* Ring Doorbell */ | |
286 | doorbell.word0 = 0; | |
287 | bf_set(lpfc_mq_doorbell_num_posted, &doorbell, 1); | |
288 | bf_set(lpfc_mq_doorbell_id, &doorbell, q->queue_id); | |
289 | writel(doorbell.word0, q->phba->sli4_hba.MQDBregaddr); | |
4f774513 JS |
290 | return 0; |
291 | } | |
292 | ||
293 | /** | |
294 | * lpfc_sli4_mq_release - Updates internal hba index for MQ | |
295 | * @q: The Mailbox Queue to operate on. | |
296 | * | |
297 | * This routine will update the HBA index of a queue to reflect consumption of | |
298 | * a Mailbox Queue Entry by the HBA. When the HBA indicates that it has consumed | |
299 | * an entry the host calls this function to update the queue's internal | |
300 | * pointers. This routine returns the number of entries that were consumed by | |
301 | * the HBA. | |
302 | **/ | |
303 | static uint32_t | |
304 | lpfc_sli4_mq_release(struct lpfc_queue *q) | |
305 | { | |
2e90f4b5 JS |
306 | /* sanity check on queue memory */ |
307 | if (unlikely(!q)) | |
308 | return 0; | |
309 | ||
4f774513 JS |
310 | /* Clear the mailbox pointer for completion */ |
311 | q->phba->mbox = NULL; | |
312 | q->hba_index = ((q->hba_index + 1) % q->entry_count); | |
313 | return 1; | |
314 | } | |
315 | ||
316 | /** | |
317 | * lpfc_sli4_eq_get - Gets the next valid EQE from a EQ | |
318 | * @q: The Event Queue to get the first valid EQE from | |
319 | * | |
320 | * This routine will get the first valid Event Queue Entry from @q, update | |
321 | * the queue's internal hba index, and return the EQE. If no valid EQEs are in | |
322 | * the Queue (no more work to do), or the Queue is full of EQEs that have been | |
323 | * processed, but not popped back to the HBA then this routine will return NULL. | |
324 | **/ | |
325 | static struct lpfc_eqe * | |
326 | lpfc_sli4_eq_get(struct lpfc_queue *q) | |
327 | { | |
7365f6fd | 328 | struct lpfc_hba *phba; |
2e90f4b5 | 329 | struct lpfc_eqe *eqe; |
027140ea | 330 | uint32_t idx; |
2e90f4b5 JS |
331 | |
332 | /* sanity check on queue memory */ | |
333 | if (unlikely(!q)) | |
334 | return NULL; | |
7365f6fd | 335 | phba = q->phba; |
2e90f4b5 | 336 | eqe = q->qe[q->hba_index].eqe; |
4f774513 JS |
337 | |
338 | /* If the next EQE is not valid then we are done */ | |
7365f6fd | 339 | if (bf_get_le32(lpfc_eqe_valid, eqe) != q->qe_valid) |
4f774513 JS |
340 | return NULL; |
341 | /* If the host has not yet processed the next entry then we are done */ | |
027140ea JS |
342 | idx = ((q->hba_index + 1) % q->entry_count); |
343 | if (idx == q->host_index) | |
4f774513 JS |
344 | return NULL; |
345 | ||
027140ea | 346 | q->hba_index = idx; |
7365f6fd JS |
347 | /* if the index wrapped around, toggle the valid bit */ |
348 | if (phba->sli4_hba.pc_sli4_params.eqav && !q->hba_index) | |
349 | q->qe_valid = (q->qe_valid) ? 0 : 1; | |
350 | ||
27f344eb JS |
351 | |
352 | /* | |
353 | * insert barrier for instruction interlock : data from the hardware | |
354 | * must have the valid bit checked before it can be copied and acted | |
2ea259ee JS |
355 | * upon. Speculative instructions were allowing a bcopy at the start |
356 | * of lpfc_sli4_fp_handle_wcqe(), which is called immediately | |
357 | * after our return, to copy data before the valid bit check above | |
358 | * was done. As such, some of the copied data was stale. The barrier | |
359 | * ensures the check is before any data is copied. | |
27f344eb JS |
360 | */ |
361 | mb(); | |
4f774513 JS |
362 | return eqe; |
363 | } | |
364 | ||
ba20c853 JS |
365 | /** |
366 | * lpfc_sli4_eq_clr_intr - Turn off interrupts from this EQ | |
367 | * @q: The Event Queue to disable interrupts | |
368 | * | |
369 | **/ | |
b71413dd | 370 | inline void |
ba20c853 JS |
371 | lpfc_sli4_eq_clr_intr(struct lpfc_queue *q) |
372 | { | |
373 | struct lpfc_register doorbell; | |
374 | ||
375 | doorbell.word0 = 0; | |
376 | bf_set(lpfc_eqcq_doorbell_eqci, &doorbell, 1); | |
377 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT); | |
378 | bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell, | |
379 | (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT)); | |
380 | bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id); | |
9dd35425 | 381 | writel(doorbell.word0, q->phba->sli4_hba.EQDBregaddr); |
ba20c853 JS |
382 | } |
383 | ||
27d6ac0a JS |
384 | /** |
385 | * lpfc_sli4_if6_eq_clr_intr - Turn off interrupts from this EQ | |
386 | * @q: The Event Queue to disable interrupts | |
387 | * | |
388 | **/ | |
389 | inline void | |
390 | lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue *q) | |
391 | { | |
392 | struct lpfc_register doorbell; | |
393 | ||
394 | doorbell.word0 = 0; | |
aad59d5d | 395 | bf_set(lpfc_if6_eq_doorbell_eqid, &doorbell, q->queue_id); |
27d6ac0a JS |
396 | writel(doorbell.word0, q->phba->sli4_hba.EQDBregaddr); |
397 | } | |
398 | ||
4f774513 JS |
399 | /** |
400 | * lpfc_sli4_eq_release - Indicates the host has finished processing an EQ | |
401 | * @q: The Event Queue that the host has completed processing for. | |
402 | * @arm: Indicates whether the host wants to arms this CQ. | |
403 | * | |
404 | * This routine will mark all Event Queue Entries on @q, from the last | |
405 | * known completed entry to the last entry that was processed, as completed | |
406 | * by clearing the valid bit for each completion queue entry. Then it will | |
407 | * notify the HBA, by ringing the doorbell, that the EQEs have been processed. | |
408 | * The internal host index in the @q will be updated by this routine to indicate | |
409 | * that the host has finished processing the entries. The @arm parameter | |
410 | * indicates that the queue should be rearmed when ringing the doorbell. | |
411 | * | |
412 | * This function will return the number of EQEs that were popped. | |
413 | **/ | |
414 | uint32_t | |
415 | lpfc_sli4_eq_release(struct lpfc_queue *q, bool arm) | |
416 | { | |
417 | uint32_t released = 0; | |
7365f6fd | 418 | struct lpfc_hba *phba; |
4f774513 JS |
419 | struct lpfc_eqe *temp_eqe; |
420 | struct lpfc_register doorbell; | |
421 | ||
2e90f4b5 JS |
422 | /* sanity check on queue memory */ |
423 | if (unlikely(!q)) | |
424 | return 0; | |
7365f6fd | 425 | phba = q->phba; |
2e90f4b5 | 426 | |
4f774513 JS |
427 | /* while there are valid entries */ |
428 | while (q->hba_index != q->host_index) { | |
7365f6fd JS |
429 | if (!phba->sli4_hba.pc_sli4_params.eqav) { |
430 | temp_eqe = q->qe[q->host_index].eqe; | |
431 | bf_set_le32(lpfc_eqe_valid, temp_eqe, 0); | |
432 | } | |
4f774513 JS |
433 | released++; |
434 | q->host_index = ((q->host_index + 1) % q->entry_count); | |
435 | } | |
436 | if (unlikely(released == 0 && !arm)) | |
437 | return 0; | |
438 | ||
439 | /* ring doorbell for number popped */ | |
440 | doorbell.word0 = 0; | |
441 | if (arm) { | |
442 | bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); | |
443 | bf_set(lpfc_eqcq_doorbell_eqci, &doorbell, 1); | |
444 | } | |
445 | bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released); | |
446 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT); | |
6b5151fd JS |
447 | bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell, |
448 | (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT)); | |
449 | bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id); | |
9dd35425 | 450 | writel(doorbell.word0, q->phba->sli4_hba.EQDBregaddr); |
a747c9ce JS |
451 | /* PCI read to flush PCI pipeline on re-arming for INTx mode */ |
452 | if ((q->phba->intr_type == INTx) && (arm == LPFC_QUEUE_REARM)) | |
9dd35425 | 453 | readl(q->phba->sli4_hba.EQDBregaddr); |
4f774513 JS |
454 | return released; |
455 | } | |
456 | ||
27d6ac0a JS |
457 | /** |
458 | * lpfc_sli4_if6_eq_release - Indicates the host has finished processing an EQ | |
459 | * @q: The Event Queue that the host has completed processing for. | |
460 | * @arm: Indicates whether the host wants to arms this CQ. | |
461 | * | |
462 | * This routine will mark all Event Queue Entries on @q, from the last | |
463 | * known completed entry to the last entry that was processed, as completed | |
464 | * by clearing the valid bit for each completion queue entry. Then it will | |
465 | * notify the HBA, by ringing the doorbell, that the EQEs have been processed. | |
466 | * The internal host index in the @q will be updated by this routine to indicate | |
467 | * that the host has finished processing the entries. The @arm parameter | |
468 | * indicates that the queue should be rearmed when ringing the doorbell. | |
469 | * | |
470 | * This function will return the number of EQEs that were popped. | |
471 | **/ | |
472 | uint32_t | |
473 | lpfc_sli4_if6_eq_release(struct lpfc_queue *q, bool arm) | |
474 | { | |
475 | uint32_t released = 0; | |
7365f6fd | 476 | struct lpfc_hba *phba; |
27d6ac0a JS |
477 | struct lpfc_eqe *temp_eqe; |
478 | struct lpfc_register doorbell; | |
479 | ||
480 | /* sanity check on queue memory */ | |
481 | if (unlikely(!q)) | |
482 | return 0; | |
7365f6fd | 483 | phba = q->phba; |
27d6ac0a JS |
484 | |
485 | /* while there are valid entries */ | |
486 | while (q->hba_index != q->host_index) { | |
7365f6fd JS |
487 | if (!phba->sli4_hba.pc_sli4_params.eqav) { |
488 | temp_eqe = q->qe[q->host_index].eqe; | |
489 | bf_set_le32(lpfc_eqe_valid, temp_eqe, 0); | |
490 | } | |
27d6ac0a JS |
491 | released++; |
492 | q->host_index = ((q->host_index + 1) % q->entry_count); | |
493 | } | |
494 | if (unlikely(released == 0 && !arm)) | |
495 | return 0; | |
496 | ||
497 | /* ring doorbell for number popped */ | |
498 | doorbell.word0 = 0; | |
499 | if (arm) | |
500 | bf_set(lpfc_if6_eq_doorbell_arm, &doorbell, 1); | |
501 | bf_set(lpfc_if6_eq_doorbell_num_released, &doorbell, released); | |
502 | bf_set(lpfc_if6_eq_doorbell_eqid, &doorbell, q->queue_id); | |
503 | writel(doorbell.word0, q->phba->sli4_hba.EQDBregaddr); | |
504 | /* PCI read to flush PCI pipeline on re-arming for INTx mode */ | |
505 | if ((q->phba->intr_type == INTx) && (arm == LPFC_QUEUE_REARM)) | |
506 | readl(q->phba->sli4_hba.EQDBregaddr); | |
507 | return released; | |
508 | } | |
509 | ||
4f774513 JS |
510 | /** |
511 | * lpfc_sli4_cq_get - Gets the next valid CQE from a CQ | |
512 | * @q: The Completion Queue to get the first valid CQE from | |
513 | * | |
514 | * This routine will get the first valid Completion Queue Entry from @q, update | |
515 | * the queue's internal hba index, and return the CQE. If no valid CQEs are in | |
516 | * the Queue (no more work to do), or the Queue is full of CQEs that have been | |
517 | * processed, but not popped back to the HBA then this routine will return NULL. | |
518 | **/ | |
519 | static struct lpfc_cqe * | |
520 | lpfc_sli4_cq_get(struct lpfc_queue *q) | |
521 | { | |
7365f6fd | 522 | struct lpfc_hba *phba; |
4f774513 | 523 | struct lpfc_cqe *cqe; |
027140ea | 524 | uint32_t idx; |
4f774513 | 525 | |
2e90f4b5 JS |
526 | /* sanity check on queue memory */ |
527 | if (unlikely(!q)) | |
528 | return NULL; | |
7365f6fd JS |
529 | phba = q->phba; |
530 | cqe = q->qe[q->hba_index].cqe; | |
2e90f4b5 | 531 | |
4f774513 | 532 | /* If the next CQE is not valid then we are done */ |
7365f6fd | 533 | if (bf_get_le32(lpfc_cqe_valid, cqe) != q->qe_valid) |
4f774513 JS |
534 | return NULL; |
535 | /* If the host has not yet processed the next entry then we are done */ | |
027140ea JS |
536 | idx = ((q->hba_index + 1) % q->entry_count); |
537 | if (idx == q->host_index) | |
4f774513 JS |
538 | return NULL; |
539 | ||
027140ea | 540 | q->hba_index = idx; |
7365f6fd JS |
541 | /* if the index wrapped around, toggle the valid bit */ |
542 | if (phba->sli4_hba.pc_sli4_params.cqav && !q->hba_index) | |
543 | q->qe_valid = (q->qe_valid) ? 0 : 1; | |
27f344eb JS |
544 | |
545 | /* | |
546 | * insert barrier for instruction interlock : data from the hardware | |
547 | * must have the valid bit checked before it can be copied and acted | |
2ea259ee JS |
548 | * upon. Given what was seen in lpfc_sli4_cq_get() of speculative |
549 | * instructions allowing action on content before valid bit checked, | |
550 | * add barrier here as well. May not be needed as "content" is a | |
551 | * single 32-bit entity here (vs multi word structure for cq's). | |
27f344eb JS |
552 | */ |
553 | mb(); | |
4f774513 JS |
554 | return cqe; |
555 | } | |
556 | ||
557 | /** | |
558 | * lpfc_sli4_cq_release - Indicates the host has finished processing a CQ | |
559 | * @q: The Completion Queue that the host has completed processing for. | |
560 | * @arm: Indicates whether the host wants to arms this CQ. | |
561 | * | |
562 | * This routine will mark all Completion queue entries on @q, from the last | |
563 | * known completed entry to the last entry that was processed, as completed | |
564 | * by clearing the valid bit for each completion queue entry. Then it will | |
565 | * notify the HBA, by ringing the doorbell, that the CQEs have been processed. | |
566 | * The internal host index in the @q will be updated by this routine to indicate | |
567 | * that the host has finished processing the entries. The @arm parameter | |
568 | * indicates that the queue should be rearmed when ringing the doorbell. | |
569 | * | |
570 | * This function will return the number of CQEs that were released. | |
571 | **/ | |
572 | uint32_t | |
573 | lpfc_sli4_cq_release(struct lpfc_queue *q, bool arm) | |
574 | { | |
575 | uint32_t released = 0; | |
7365f6fd | 576 | struct lpfc_hba *phba; |
4f774513 JS |
577 | struct lpfc_cqe *temp_qe; |
578 | struct lpfc_register doorbell; | |
579 | ||
2e90f4b5 JS |
580 | /* sanity check on queue memory */ |
581 | if (unlikely(!q)) | |
582 | return 0; | |
7365f6fd JS |
583 | phba = q->phba; |
584 | ||
4f774513 JS |
585 | /* while there are valid entries */ |
586 | while (q->hba_index != q->host_index) { | |
7365f6fd JS |
587 | if (!phba->sli4_hba.pc_sli4_params.cqav) { |
588 | temp_qe = q->qe[q->host_index].cqe; | |
589 | bf_set_le32(lpfc_cqe_valid, temp_qe, 0); | |
590 | } | |
4f774513 JS |
591 | released++; |
592 | q->host_index = ((q->host_index + 1) % q->entry_count); | |
593 | } | |
594 | if (unlikely(released == 0 && !arm)) | |
595 | return 0; | |
596 | ||
597 | /* ring doorbell for number popped */ | |
598 | doorbell.word0 = 0; | |
599 | if (arm) | |
600 | bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); | |
601 | bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released); | |
602 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_COMPLETION); | |
6b5151fd JS |
603 | bf_set(lpfc_eqcq_doorbell_cqid_hi, &doorbell, |
604 | (q->queue_id >> LPFC_CQID_HI_FIELD_SHIFT)); | |
605 | bf_set(lpfc_eqcq_doorbell_cqid_lo, &doorbell, q->queue_id); | |
9dd35425 | 606 | writel(doorbell.word0, q->phba->sli4_hba.CQDBregaddr); |
4f774513 JS |
607 | return released; |
608 | } | |
609 | ||
27d6ac0a JS |
610 | /** |
611 | * lpfc_sli4_if6_cq_release - Indicates the host has finished processing a CQ | |
612 | * @q: The Completion Queue that the host has completed processing for. | |
613 | * @arm: Indicates whether the host wants to arms this CQ. | |
614 | * | |
615 | * This routine will mark all Completion queue entries on @q, from the last | |
616 | * known completed entry to the last entry that was processed, as completed | |
617 | * by clearing the valid bit for each completion queue entry. Then it will | |
618 | * notify the HBA, by ringing the doorbell, that the CQEs have been processed. | |
619 | * The internal host index in the @q will be updated by this routine to indicate | |
620 | * that the host has finished processing the entries. The @arm parameter | |
621 | * indicates that the queue should be rearmed when ringing the doorbell. | |
622 | * | |
623 | * This function will return the number of CQEs that were released. | |
624 | **/ | |
625 | uint32_t | |
626 | lpfc_sli4_if6_cq_release(struct lpfc_queue *q, bool arm) | |
627 | { | |
628 | uint32_t released = 0; | |
7365f6fd | 629 | struct lpfc_hba *phba; |
27d6ac0a JS |
630 | struct lpfc_cqe *temp_qe; |
631 | struct lpfc_register doorbell; | |
632 | ||
633 | /* sanity check on queue memory */ | |
634 | if (unlikely(!q)) | |
635 | return 0; | |
7365f6fd JS |
636 | phba = q->phba; |
637 | ||
27d6ac0a JS |
638 | /* while there are valid entries */ |
639 | while (q->hba_index != q->host_index) { | |
7365f6fd JS |
640 | if (!phba->sli4_hba.pc_sli4_params.cqav) { |
641 | temp_qe = q->qe[q->host_index].cqe; | |
642 | bf_set_le32(lpfc_cqe_valid, temp_qe, 0); | |
643 | } | |
27d6ac0a JS |
644 | released++; |
645 | q->host_index = ((q->host_index + 1) % q->entry_count); | |
646 | } | |
647 | if (unlikely(released == 0 && !arm)) | |
648 | return 0; | |
649 | ||
650 | /* ring doorbell for number popped */ | |
651 | doorbell.word0 = 0; | |
652 | if (arm) | |
653 | bf_set(lpfc_if6_cq_doorbell_arm, &doorbell, 1); | |
654 | bf_set(lpfc_if6_cq_doorbell_num_released, &doorbell, released); | |
655 | bf_set(lpfc_if6_cq_doorbell_cqid, &doorbell, q->queue_id); | |
656 | writel(doorbell.word0, q->phba->sli4_hba.CQDBregaddr); | |
657 | return released; | |
658 | } | |
659 | ||
4f774513 JS |
660 | /** |
661 | * lpfc_sli4_rq_put - Put a Receive Buffer Queue Entry on a Receive Queue | |
662 | * @q: The Header Receive Queue to operate on. | |
663 | * @wqe: The Receive Queue Entry to put on the Receive queue. | |
664 | * | |
665 | * This routine will copy the contents of @wqe to the next available entry on | |
666 | * the @q. This function will then ring the Receive Queue Doorbell to signal the | |
667 | * HBA to start processing the Receive Queue Entry. This function returns the | |
668 | * index that the rqe was copied to if successful. If no entries are available | |
669 | * on @q then this function will return -ENOMEM. | |
670 | * The caller is expected to hold the hbalock when calling this routine. | |
671 | **/ | |
895427bd | 672 | int |
4f774513 JS |
673 | lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq, |
674 | struct lpfc_rqe *hrqe, struct lpfc_rqe *drqe) | |
675 | { | |
2e90f4b5 JS |
676 | struct lpfc_rqe *temp_hrqe; |
677 | struct lpfc_rqe *temp_drqe; | |
4f774513 | 678 | struct lpfc_register doorbell; |
cbc5de1b JS |
679 | int hq_put_index; |
680 | int dq_put_index; | |
4f774513 | 681 | |
2e90f4b5 JS |
682 | /* sanity check on queue memory */ |
683 | if (unlikely(!hq) || unlikely(!dq)) | |
684 | return -ENOMEM; | |
cbc5de1b JS |
685 | hq_put_index = hq->host_index; |
686 | dq_put_index = dq->host_index; | |
687 | temp_hrqe = hq->qe[hq_put_index].rqe; | |
688 | temp_drqe = dq->qe[dq_put_index].rqe; | |
2e90f4b5 | 689 | |
4f774513 JS |
690 | if (hq->type != LPFC_HRQ || dq->type != LPFC_DRQ) |
691 | return -EINVAL; | |
cbc5de1b | 692 | if (hq_put_index != dq_put_index) |
4f774513 JS |
693 | return -EINVAL; |
694 | /* If the host has not yet processed the next entry then we are done */ | |
cbc5de1b | 695 | if (((hq_put_index + 1) % hq->entry_count) == hq->hba_index) |
4f774513 | 696 | return -EBUSY; |
48f8fdb4 JS |
697 | lpfc_sli4_pcimem_bcopy(hrqe, temp_hrqe, hq->entry_size); |
698 | lpfc_sli4_pcimem_bcopy(drqe, temp_drqe, dq->entry_size); | |
4f774513 JS |
699 | |
700 | /* Update the host index to point to the next slot */ | |
cbc5de1b JS |
701 | hq->host_index = ((hq_put_index + 1) % hq->entry_count); |
702 | dq->host_index = ((dq_put_index + 1) % dq->entry_count); | |
61f3d4bf | 703 | hq->RQ_buf_posted++; |
4f774513 JS |
704 | |
705 | /* Ring The Header Receive Queue Doorbell */ | |
73d91e50 | 706 | if (!(hq->host_index % hq->entry_repost)) { |
4f774513 | 707 | doorbell.word0 = 0; |
962bc51b JS |
708 | if (hq->db_format == LPFC_DB_RING_FORMAT) { |
709 | bf_set(lpfc_rq_db_ring_fm_num_posted, &doorbell, | |
710 | hq->entry_repost); | |
711 | bf_set(lpfc_rq_db_ring_fm_id, &doorbell, hq->queue_id); | |
712 | } else if (hq->db_format == LPFC_DB_LIST_FORMAT) { | |
713 | bf_set(lpfc_rq_db_list_fm_num_posted, &doorbell, | |
714 | hq->entry_repost); | |
715 | bf_set(lpfc_rq_db_list_fm_index, &doorbell, | |
716 | hq->host_index); | |
717 | bf_set(lpfc_rq_db_list_fm_id, &doorbell, hq->queue_id); | |
718 | } else { | |
719 | return -EINVAL; | |
720 | } | |
721 | writel(doorbell.word0, hq->db_regaddr); | |
4f774513 | 722 | } |
cbc5de1b | 723 | return hq_put_index; |
4f774513 JS |
724 | } |
725 | ||
726 | /** | |
727 | * lpfc_sli4_rq_release - Updates internal hba index for RQ | |
728 | * @q: The Header Receive Queue to operate on. | |
729 | * | |
730 | * This routine will update the HBA index of a queue to reflect consumption of | |
731 | * one Receive Queue Entry by the HBA. When the HBA indicates that it has | |
732 | * consumed an entry the host calls this function to update the queue's | |
733 | * internal pointers. This routine returns the number of entries that were | |
734 | * consumed by the HBA. | |
735 | **/ | |
736 | static uint32_t | |
737 | lpfc_sli4_rq_release(struct lpfc_queue *hq, struct lpfc_queue *dq) | |
738 | { | |
2e90f4b5 JS |
739 | /* sanity check on queue memory */ |
740 | if (unlikely(!hq) || unlikely(!dq)) | |
741 | return 0; | |
742 | ||
4f774513 JS |
743 | if ((hq->type != LPFC_HRQ) || (dq->type != LPFC_DRQ)) |
744 | return 0; | |
745 | hq->hba_index = ((hq->hba_index + 1) % hq->entry_count); | |
746 | dq->hba_index = ((dq->hba_index + 1) % dq->entry_count); | |
747 | return 1; | |
748 | } | |
749 | ||
e59058c4 | 750 | /** |
3621a710 | 751 | * lpfc_cmd_iocb - Get next command iocb entry in the ring |
e59058c4 JS |
752 | * @phba: Pointer to HBA context object. |
753 | * @pring: Pointer to driver SLI ring object. | |
754 | * | |
755 | * This function returns pointer to next command iocb entry | |
756 | * in the command ring. The caller must hold hbalock to prevent | |
757 | * other threads consume the next command iocb. | |
758 | * SLI-2/SLI-3 provide different sized iocbs. | |
759 | **/ | |
ed957684 JS |
760 | static inline IOCB_t * |
761 | lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
762 | { | |
7e56aa25 JS |
763 | return (IOCB_t *) (((char *) pring->sli.sli3.cmdringaddr) + |
764 | pring->sli.sli3.cmdidx * phba->iocb_cmd_size); | |
ed957684 JS |
765 | } |
766 | ||
e59058c4 | 767 | /** |
3621a710 | 768 | * lpfc_resp_iocb - Get next response iocb entry in the ring |
e59058c4 JS |
769 | * @phba: Pointer to HBA context object. |
770 | * @pring: Pointer to driver SLI ring object. | |
771 | * | |
772 | * This function returns pointer to next response iocb entry | |
773 | * in the response ring. The caller must hold hbalock to make sure | |
774 | * that no other thread consume the next response iocb. | |
775 | * SLI-2/SLI-3 provide different sized iocbs. | |
776 | **/ | |
ed957684 JS |
777 | static inline IOCB_t * |
778 | lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
779 | { | |
7e56aa25 JS |
780 | return (IOCB_t *) (((char *) pring->sli.sli3.rspringaddr) + |
781 | pring->sli.sli3.rspidx * phba->iocb_rsp_size); | |
ed957684 JS |
782 | } |
783 | ||
e59058c4 | 784 | /** |
3621a710 | 785 | * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool |
e59058c4 JS |
786 | * @phba: Pointer to HBA context object. |
787 | * | |
788 | * This function is called with hbalock held. This function | |
789 | * allocates a new driver iocb object from the iocb pool. If the | |
790 | * allocation is successful, it returns pointer to the newly | |
791 | * allocated iocb object else it returns NULL. | |
792 | **/ | |
4f2e66c6 | 793 | struct lpfc_iocbq * |
2e0fef85 | 794 | __lpfc_sli_get_iocbq(struct lpfc_hba *phba) |
0bd4ca25 JSEC |
795 | { |
796 | struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; | |
797 | struct lpfc_iocbq * iocbq = NULL; | |
798 | ||
1c2ba475 JT |
799 | lockdep_assert_held(&phba->hbalock); |
800 | ||
0bd4ca25 | 801 | list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list); |
2a9bf3d0 JS |
802 | if (iocbq) |
803 | phba->iocb_cnt++; | |
804 | if (phba->iocb_cnt > phba->iocb_max) | |
805 | phba->iocb_max = phba->iocb_cnt; | |
0bd4ca25 JSEC |
806 | return iocbq; |
807 | } | |
808 | ||
da0436e9 JS |
809 | /** |
810 | * __lpfc_clear_active_sglq - Remove the active sglq for this XRI. | |
811 | * @phba: Pointer to HBA context object. | |
812 | * @xritag: XRI value. | |
813 | * | |
814 | * This function clears the sglq pointer from the array of acive | |
815 | * sglq's. The xritag that is passed in is used to index into the | |
816 | * array. Before the xritag can be used it needs to be adjusted | |
817 | * by subtracting the xribase. | |
818 | * | |
819 | * Returns sglq ponter = success, NULL = Failure. | |
820 | **/ | |
895427bd | 821 | struct lpfc_sglq * |
da0436e9 JS |
822 | __lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xritag) |
823 | { | |
da0436e9 | 824 | struct lpfc_sglq *sglq; |
6d368e53 JS |
825 | |
826 | sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag]; | |
827 | phba->sli4_hba.lpfc_sglq_active_list[xritag] = NULL; | |
da0436e9 JS |
828 | return sglq; |
829 | } | |
830 | ||
831 | /** | |
832 | * __lpfc_get_active_sglq - Get the active sglq for this XRI. | |
833 | * @phba: Pointer to HBA context object. | |
834 | * @xritag: XRI value. | |
835 | * | |
836 | * This function returns the sglq pointer from the array of acive | |
837 | * sglq's. The xritag that is passed in is used to index into the | |
838 | * array. Before the xritag can be used it needs to be adjusted | |
839 | * by subtracting the xribase. | |
840 | * | |
841 | * Returns sglq ponter = success, NULL = Failure. | |
842 | **/ | |
0f65ff68 | 843 | struct lpfc_sglq * |
da0436e9 JS |
844 | __lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag) |
845 | { | |
da0436e9 | 846 | struct lpfc_sglq *sglq; |
6d368e53 JS |
847 | |
848 | sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag]; | |
da0436e9 JS |
849 | return sglq; |
850 | } | |
851 | ||
19ca7609 | 852 | /** |
1151e3ec | 853 | * lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap. |
19ca7609 JS |
854 | * @phba: Pointer to HBA context object. |
855 | * @xritag: xri used in this exchange. | |
856 | * @rrq: The RRQ to be cleared. | |
857 | * | |
19ca7609 | 858 | **/ |
1151e3ec JS |
859 | void |
860 | lpfc_clr_rrq_active(struct lpfc_hba *phba, | |
861 | uint16_t xritag, | |
862 | struct lpfc_node_rrq *rrq) | |
19ca7609 | 863 | { |
1151e3ec | 864 | struct lpfc_nodelist *ndlp = NULL; |
19ca7609 | 865 | |
1151e3ec JS |
866 | if ((rrq->vport) && NLP_CHK_NODE_ACT(rrq->ndlp)) |
867 | ndlp = lpfc_findnode_did(rrq->vport, rrq->nlp_DID); | |
19ca7609 JS |
868 | |
869 | /* The target DID could have been swapped (cable swap) | |
870 | * we should use the ndlp from the findnode if it is | |
871 | * available. | |
872 | */ | |
1151e3ec | 873 | if ((!ndlp) && rrq->ndlp) |
19ca7609 JS |
874 | ndlp = rrq->ndlp; |
875 | ||
1151e3ec JS |
876 | if (!ndlp) |
877 | goto out; | |
878 | ||
cff261f6 | 879 | if (test_and_clear_bit(xritag, ndlp->active_rrqs_xri_bitmap)) { |
19ca7609 JS |
880 | rrq->send_rrq = 0; |
881 | rrq->xritag = 0; | |
882 | rrq->rrq_stop_time = 0; | |
883 | } | |
1151e3ec | 884 | out: |
19ca7609 JS |
885 | mempool_free(rrq, phba->rrq_pool); |
886 | } | |
887 | ||
888 | /** | |
889 | * lpfc_handle_rrq_active - Checks if RRQ has waithed RATOV. | |
890 | * @phba: Pointer to HBA context object. | |
891 | * | |
892 | * This function is called with hbalock held. This function | |
893 | * Checks if stop_time (ratov from setting rrq active) has | |
894 | * been reached, if it has and the send_rrq flag is set then | |
895 | * it will call lpfc_send_rrq. If the send_rrq flag is not set | |
896 | * then it will just call the routine to clear the rrq and | |
897 | * free the rrq resource. | |
898 | * The timer is set to the next rrq that is going to expire before | |
899 | * leaving the routine. | |
900 | * | |
901 | **/ | |
902 | void | |
903 | lpfc_handle_rrq_active(struct lpfc_hba *phba) | |
904 | { | |
905 | struct lpfc_node_rrq *rrq; | |
906 | struct lpfc_node_rrq *nextrrq; | |
907 | unsigned long next_time; | |
908 | unsigned long iflags; | |
1151e3ec | 909 | LIST_HEAD(send_rrq); |
19ca7609 JS |
910 | |
911 | spin_lock_irqsave(&phba->hbalock, iflags); | |
912 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
256ec0d0 | 913 | next_time = jiffies + msecs_to_jiffies(1000 * (phba->fc_ratov + 1)); |
19ca7609 | 914 | list_for_each_entry_safe(rrq, nextrrq, |
1151e3ec JS |
915 | &phba->active_rrq_list, list) { |
916 | if (time_after(jiffies, rrq->rrq_stop_time)) | |
917 | list_move(&rrq->list, &send_rrq); | |
918 | else if (time_before(rrq->rrq_stop_time, next_time)) | |
19ca7609 JS |
919 | next_time = rrq->rrq_stop_time; |
920 | } | |
921 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
06918ac5 JS |
922 | if ((!list_empty(&phba->active_rrq_list)) && |
923 | (!(phba->pport->load_flag & FC_UNLOADING))) | |
19ca7609 | 924 | mod_timer(&phba->rrq_tmr, next_time); |
1151e3ec JS |
925 | list_for_each_entry_safe(rrq, nextrrq, &send_rrq, list) { |
926 | list_del(&rrq->list); | |
927 | if (!rrq->send_rrq) | |
928 | /* this call will free the rrq */ | |
929 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); | |
930 | else if (lpfc_send_rrq(phba, rrq)) { | |
931 | /* if we send the rrq then the completion handler | |
932 | * will clear the bit in the xribitmap. | |
933 | */ | |
934 | lpfc_clr_rrq_active(phba, rrq->xritag, | |
935 | rrq); | |
936 | } | |
937 | } | |
19ca7609 JS |
938 | } |
939 | ||
940 | /** | |
941 | * lpfc_get_active_rrq - Get the active RRQ for this exchange. | |
942 | * @vport: Pointer to vport context object. | |
943 | * @xri: The xri used in the exchange. | |
944 | * @did: The targets DID for this exchange. | |
945 | * | |
946 | * returns NULL = rrq not found in the phba->active_rrq_list. | |
947 | * rrq = rrq for this xri and target. | |
948 | **/ | |
949 | struct lpfc_node_rrq * | |
950 | lpfc_get_active_rrq(struct lpfc_vport *vport, uint16_t xri, uint32_t did) | |
951 | { | |
952 | struct lpfc_hba *phba = vport->phba; | |
953 | struct lpfc_node_rrq *rrq; | |
954 | struct lpfc_node_rrq *nextrrq; | |
955 | unsigned long iflags; | |
956 | ||
957 | if (phba->sli_rev != LPFC_SLI_REV4) | |
958 | return NULL; | |
959 | spin_lock_irqsave(&phba->hbalock, iflags); | |
960 | list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) { | |
961 | if (rrq->vport == vport && rrq->xritag == xri && | |
962 | rrq->nlp_DID == did){ | |
963 | list_del(&rrq->list); | |
964 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
965 | return rrq; | |
966 | } | |
967 | } | |
968 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
969 | return NULL; | |
970 | } | |
971 | ||
972 | /** | |
973 | * lpfc_cleanup_vports_rrqs - Remove and clear the active RRQ for this vport. | |
974 | * @vport: Pointer to vport context object. | |
1151e3ec JS |
975 | * @ndlp: Pointer to the lpfc_node_list structure. |
976 | * If ndlp is NULL Remove all active RRQs for this vport from the | |
977 | * phba->active_rrq_list and clear the rrq. | |
978 | * If ndlp is not NULL then only remove rrqs for this vport & this ndlp. | |
19ca7609 JS |
979 | **/ |
980 | void | |
1151e3ec | 981 | lpfc_cleanup_vports_rrqs(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
19ca7609 JS |
982 | |
983 | { | |
984 | struct lpfc_hba *phba = vport->phba; | |
985 | struct lpfc_node_rrq *rrq; | |
986 | struct lpfc_node_rrq *nextrrq; | |
987 | unsigned long iflags; | |
1151e3ec | 988 | LIST_HEAD(rrq_list); |
19ca7609 JS |
989 | |
990 | if (phba->sli_rev != LPFC_SLI_REV4) | |
991 | return; | |
1151e3ec JS |
992 | if (!ndlp) { |
993 | lpfc_sli4_vport_delete_els_xri_aborted(vport); | |
994 | lpfc_sli4_vport_delete_fcp_xri_aborted(vport); | |
19ca7609 | 995 | } |
1151e3ec JS |
996 | spin_lock_irqsave(&phba->hbalock, iflags); |
997 | list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) | |
998 | if ((rrq->vport == vport) && (!ndlp || rrq->ndlp == ndlp)) | |
999 | list_move(&rrq->list, &rrq_list); | |
19ca7609 | 1000 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
1151e3ec JS |
1001 | |
1002 | list_for_each_entry_safe(rrq, nextrrq, &rrq_list, list) { | |
1003 | list_del(&rrq->list); | |
1004 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); | |
1005 | } | |
19ca7609 JS |
1006 | } |
1007 | ||
19ca7609 | 1008 | /** |
1151e3ec | 1009 | * lpfc_test_rrq_active - Test RRQ bit in xri_bitmap. |
19ca7609 JS |
1010 | * @phba: Pointer to HBA context object. |
1011 | * @ndlp: Targets nodelist pointer for this exchange. | |
1012 | * @xritag the xri in the bitmap to test. | |
1013 | * | |
1014 | * This function is called with hbalock held. This function | |
1015 | * returns 0 = rrq not active for this xri | |
1016 | * 1 = rrq is valid for this xri. | |
1017 | **/ | |
1151e3ec JS |
1018 | int |
1019 | lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
19ca7609 JS |
1020 | uint16_t xritag) |
1021 | { | |
1c2ba475 | 1022 | lockdep_assert_held(&phba->hbalock); |
19ca7609 JS |
1023 | if (!ndlp) |
1024 | return 0; | |
cff261f6 JS |
1025 | if (!ndlp->active_rrqs_xri_bitmap) |
1026 | return 0; | |
1027 | if (test_bit(xritag, ndlp->active_rrqs_xri_bitmap)) | |
19ca7609 JS |
1028 | return 1; |
1029 | else | |
1030 | return 0; | |
1031 | } | |
1032 | ||
1033 | /** | |
1034 | * lpfc_set_rrq_active - set RRQ active bit in xri_bitmap. | |
1035 | * @phba: Pointer to HBA context object. | |
1036 | * @ndlp: nodelist pointer for this target. | |
1037 | * @xritag: xri used in this exchange. | |
1038 | * @rxid: Remote Exchange ID. | |
1039 | * @send_rrq: Flag used to determine if we should send rrq els cmd. | |
1040 | * | |
1041 | * This function takes the hbalock. | |
1042 | * The active bit is always set in the active rrq xri_bitmap even | |
1043 | * if there is no slot avaiable for the other rrq information. | |
1044 | * | |
1045 | * returns 0 rrq actived for this xri | |
1046 | * < 0 No memory or invalid ndlp. | |
1047 | **/ | |
1048 | int | |
1049 | lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
b42c07c8 | 1050 | uint16_t xritag, uint16_t rxid, uint16_t send_rrq) |
19ca7609 | 1051 | { |
19ca7609 | 1052 | unsigned long iflags; |
b42c07c8 JS |
1053 | struct lpfc_node_rrq *rrq; |
1054 | int empty; | |
1055 | ||
1056 | if (!ndlp) | |
1057 | return -EINVAL; | |
1058 | ||
1059 | if (!phba->cfg_enable_rrq) | |
1060 | return -EINVAL; | |
19ca7609 JS |
1061 | |
1062 | spin_lock_irqsave(&phba->hbalock, iflags); | |
b42c07c8 JS |
1063 | if (phba->pport->load_flag & FC_UNLOADING) { |
1064 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
1065 | goto out; | |
1066 | } | |
1067 | ||
1068 | /* | |
1069 | * set the active bit even if there is no mem available. | |
1070 | */ | |
1071 | if (NLP_CHK_FREE_REQ(ndlp)) | |
1072 | goto out; | |
1073 | ||
1074 | if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING)) | |
1075 | goto out; | |
1076 | ||
cff261f6 JS |
1077 | if (!ndlp->active_rrqs_xri_bitmap) |
1078 | goto out; | |
1079 | ||
1080 | if (test_and_set_bit(xritag, ndlp->active_rrqs_xri_bitmap)) | |
b42c07c8 JS |
1081 | goto out; |
1082 | ||
19ca7609 | 1083 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
b42c07c8 JS |
1084 | rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL); |
1085 | if (!rrq) { | |
1086 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
1087 | "3155 Unable to allocate RRQ xri:0x%x rxid:0x%x" | |
1088 | " DID:0x%x Send:%d\n", | |
1089 | xritag, rxid, ndlp->nlp_DID, send_rrq); | |
1090 | return -EINVAL; | |
1091 | } | |
e5771b4d JS |
1092 | if (phba->cfg_enable_rrq == 1) |
1093 | rrq->send_rrq = send_rrq; | |
1094 | else | |
1095 | rrq->send_rrq = 0; | |
b42c07c8 | 1096 | rrq->xritag = xritag; |
256ec0d0 JS |
1097 | rrq->rrq_stop_time = jiffies + |
1098 | msecs_to_jiffies(1000 * (phba->fc_ratov + 1)); | |
b42c07c8 JS |
1099 | rrq->ndlp = ndlp; |
1100 | rrq->nlp_DID = ndlp->nlp_DID; | |
1101 | rrq->vport = ndlp->vport; | |
1102 | rrq->rxid = rxid; | |
b42c07c8 JS |
1103 | spin_lock_irqsave(&phba->hbalock, iflags); |
1104 | empty = list_empty(&phba->active_rrq_list); | |
1105 | list_add_tail(&rrq->list, &phba->active_rrq_list); | |
1106 | phba->hba_flag |= HBA_RRQ_ACTIVE; | |
1107 | if (empty) | |
1108 | lpfc_worker_wake_up(phba); | |
1109 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1110 | return 0; | |
1111 | out: | |
1112 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1113 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
1114 | "2921 Can't set rrq active xri:0x%x rxid:0x%x" | |
1115 | " DID:0x%x Send:%d\n", | |
1116 | xritag, rxid, ndlp->nlp_DID, send_rrq); | |
1117 | return -EINVAL; | |
19ca7609 JS |
1118 | } |
1119 | ||
da0436e9 | 1120 | /** |
895427bd | 1121 | * __lpfc_sli_get_els_sglq - Allocates an iocb object from sgl pool |
da0436e9 | 1122 | * @phba: Pointer to HBA context object. |
19ca7609 | 1123 | * @piocb: Pointer to the iocbq. |
da0436e9 | 1124 | * |
dafe8cea | 1125 | * This function is called with the ring lock held. This function |
6d368e53 | 1126 | * gets a new driver sglq object from the sglq list. If the |
da0436e9 JS |
1127 | * list is not empty then it is successful, it returns pointer to the newly |
1128 | * allocated sglq object else it returns NULL. | |
1129 | **/ | |
1130 | static struct lpfc_sglq * | |
895427bd | 1131 | __lpfc_sli_get_els_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) |
da0436e9 | 1132 | { |
895427bd | 1133 | struct list_head *lpfc_els_sgl_list = &phba->sli4_hba.lpfc_els_sgl_list; |
da0436e9 | 1134 | struct lpfc_sglq *sglq = NULL; |
19ca7609 | 1135 | struct lpfc_sglq *start_sglq = NULL; |
c490850a | 1136 | struct lpfc_io_buf *lpfc_cmd; |
19ca7609 JS |
1137 | struct lpfc_nodelist *ndlp; |
1138 | int found = 0; | |
1139 | ||
1c2ba475 JT |
1140 | lockdep_assert_held(&phba->hbalock); |
1141 | ||
19ca7609 | 1142 | if (piocbq->iocb_flag & LPFC_IO_FCP) { |
c490850a | 1143 | lpfc_cmd = (struct lpfc_io_buf *) piocbq->context1; |
19ca7609 | 1144 | ndlp = lpfc_cmd->rdata->pnode; |
be858b65 | 1145 | } else if ((piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) && |
6c7cf486 | 1146 | !(piocbq->iocb_flag & LPFC_IO_LIBDFC)) { |
19ca7609 | 1147 | ndlp = piocbq->context_un.ndlp; |
6c7cf486 JS |
1148 | } else if (piocbq->iocb_flag & LPFC_IO_LIBDFC) { |
1149 | if (piocbq->iocb_flag & LPFC_IO_LOOPBACK) | |
1150 | ndlp = NULL; | |
1151 | else | |
1152 | ndlp = piocbq->context_un.ndlp; | |
1153 | } else { | |
19ca7609 | 1154 | ndlp = piocbq->context1; |
6c7cf486 | 1155 | } |
19ca7609 | 1156 | |
895427bd JS |
1157 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
1158 | list_remove_head(lpfc_els_sgl_list, sglq, struct lpfc_sglq, list); | |
19ca7609 JS |
1159 | start_sglq = sglq; |
1160 | while (!found) { | |
1161 | if (!sglq) | |
d11f54b7 | 1162 | break; |
895427bd JS |
1163 | if (ndlp && ndlp->active_rrqs_xri_bitmap && |
1164 | test_bit(sglq->sli4_lxritag, | |
1165 | ndlp->active_rrqs_xri_bitmap)) { | |
19ca7609 JS |
1166 | /* This xri has an rrq outstanding for this DID. |
1167 | * put it back in the list and get another xri. | |
1168 | */ | |
895427bd | 1169 | list_add_tail(&sglq->list, lpfc_els_sgl_list); |
19ca7609 | 1170 | sglq = NULL; |
895427bd | 1171 | list_remove_head(lpfc_els_sgl_list, sglq, |
19ca7609 JS |
1172 | struct lpfc_sglq, list); |
1173 | if (sglq == start_sglq) { | |
14041bd1 | 1174 | list_add_tail(&sglq->list, lpfc_els_sgl_list); |
19ca7609 JS |
1175 | sglq = NULL; |
1176 | break; | |
1177 | } else | |
1178 | continue; | |
1179 | } | |
1180 | sglq->ndlp = ndlp; | |
1181 | found = 1; | |
6d368e53 | 1182 | phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq; |
19ca7609 JS |
1183 | sglq->state = SGL_ALLOCATED; |
1184 | } | |
895427bd | 1185 | spin_unlock(&phba->sli4_hba.sgl_list_lock); |
da0436e9 JS |
1186 | return sglq; |
1187 | } | |
1188 | ||
f358dd0c JS |
1189 | /** |
1190 | * __lpfc_sli_get_nvmet_sglq - Allocates an iocb object from sgl pool | |
1191 | * @phba: Pointer to HBA context object. | |
1192 | * @piocb: Pointer to the iocbq. | |
1193 | * | |
1194 | * This function is called with the sgl_list lock held. This function | |
1195 | * gets a new driver sglq object from the sglq list. If the | |
1196 | * list is not empty then it is successful, it returns pointer to the newly | |
1197 | * allocated sglq object else it returns NULL. | |
1198 | **/ | |
1199 | struct lpfc_sglq * | |
1200 | __lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) | |
1201 | { | |
1202 | struct list_head *lpfc_nvmet_sgl_list; | |
1203 | struct lpfc_sglq *sglq = NULL; | |
1204 | ||
1205 | lpfc_nvmet_sgl_list = &phba->sli4_hba.lpfc_nvmet_sgl_list; | |
1206 | ||
1207 | lockdep_assert_held(&phba->sli4_hba.sgl_list_lock); | |
1208 | ||
1209 | list_remove_head(lpfc_nvmet_sgl_list, sglq, struct lpfc_sglq, list); | |
1210 | if (!sglq) | |
1211 | return NULL; | |
1212 | phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq; | |
1213 | sglq->state = SGL_ALLOCATED; | |
da0436e9 JS |
1214 | return sglq; |
1215 | } | |
1216 | ||
e59058c4 | 1217 | /** |
3621a710 | 1218 | * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool |
e59058c4 JS |
1219 | * @phba: Pointer to HBA context object. |
1220 | * | |
1221 | * This function is called with no lock held. This function | |
1222 | * allocates a new driver iocb object from the iocb pool. If the | |
1223 | * allocation is successful, it returns pointer to the newly | |
1224 | * allocated iocb object else it returns NULL. | |
1225 | **/ | |
2e0fef85 JS |
1226 | struct lpfc_iocbq * |
1227 | lpfc_sli_get_iocbq(struct lpfc_hba *phba) | |
1228 | { | |
1229 | struct lpfc_iocbq * iocbq = NULL; | |
1230 | unsigned long iflags; | |
1231 | ||
1232 | spin_lock_irqsave(&phba->hbalock, iflags); | |
1233 | iocbq = __lpfc_sli_get_iocbq(phba); | |
1234 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1235 | return iocbq; | |
1236 | } | |
1237 | ||
4f774513 JS |
1238 | /** |
1239 | * __lpfc_sli_release_iocbq_s4 - Release iocb to the iocb pool | |
1240 | * @phba: Pointer to HBA context object. | |
1241 | * @iocbq: Pointer to driver iocb object. | |
1242 | * | |
1243 | * This function is called with hbalock held to release driver | |
1244 | * iocb object to the iocb pool. The iotag in the iocb object | |
1245 | * does not change for each use of the iocb object. This function | |
1246 | * clears all other fields of the iocb object when it is freed. | |
1247 | * The sqlq structure that holds the xritag and phys and virtual | |
1248 | * mappings for the scatter gather list is retrieved from the | |
1249 | * active array of sglq. The get of the sglq pointer also clears | |
1250 | * the entry in the array. If the status of the IO indiactes that | |
1251 | * this IO was aborted then the sglq entry it put on the | |
1252 | * lpfc_abts_els_sgl_list until the CQ_ABORTED_XRI is received. If the | |
1253 | * IO has good status or fails for any other reason then the sglq | |
895427bd | 1254 | * entry is added to the free list (lpfc_els_sgl_list). |
4f774513 JS |
1255 | **/ |
1256 | static void | |
1257 | __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1258 | { | |
1259 | struct lpfc_sglq *sglq; | |
1260 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); | |
2a9bf3d0 | 1261 | unsigned long iflag = 0; |
895427bd | 1262 | struct lpfc_sli_ring *pring; |
4f774513 | 1263 | |
1c2ba475 JT |
1264 | lockdep_assert_held(&phba->hbalock); |
1265 | ||
4f774513 JS |
1266 | if (iocbq->sli4_xritag == NO_XRI) |
1267 | sglq = NULL; | |
1268 | else | |
6d368e53 JS |
1269 | sglq = __lpfc_clear_active_sglq(phba, iocbq->sli4_lxritag); |
1270 | ||
0e9bb8d7 | 1271 | |
4f774513 | 1272 | if (sglq) { |
f358dd0c JS |
1273 | if (iocbq->iocb_flag & LPFC_IO_NVMET) { |
1274 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, | |
1275 | iflag); | |
1276 | sglq->state = SGL_FREED; | |
1277 | sglq->ndlp = NULL; | |
1278 | list_add_tail(&sglq->list, | |
1279 | &phba->sli4_hba.lpfc_nvmet_sgl_list); | |
1280 | spin_unlock_irqrestore( | |
1281 | &phba->sli4_hba.sgl_list_lock, iflag); | |
1282 | goto out; | |
1283 | } | |
1284 | ||
895427bd | 1285 | pring = phba->sli4_hba.els_wq->pring; |
0f65ff68 JS |
1286 | if ((iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) && |
1287 | (sglq->state != SGL_XRI_ABORTED)) { | |
895427bd JS |
1288 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, |
1289 | iflag); | |
4f774513 | 1290 | list_add(&sglq->list, |
895427bd | 1291 | &phba->sli4_hba.lpfc_abts_els_sgl_list); |
4f774513 | 1292 | spin_unlock_irqrestore( |
895427bd | 1293 | &phba->sli4_hba.sgl_list_lock, iflag); |
0f65ff68 | 1294 | } else { |
895427bd JS |
1295 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, |
1296 | iflag); | |
0f65ff68 | 1297 | sglq->state = SGL_FREED; |
19ca7609 | 1298 | sglq->ndlp = NULL; |
fedd3b7b | 1299 | list_add_tail(&sglq->list, |
895427bd JS |
1300 | &phba->sli4_hba.lpfc_els_sgl_list); |
1301 | spin_unlock_irqrestore( | |
1302 | &phba->sli4_hba.sgl_list_lock, iflag); | |
2a9bf3d0 JS |
1303 | |
1304 | /* Check if TXQ queue needs to be serviced */ | |
0e9bb8d7 | 1305 | if (!list_empty(&pring->txq)) |
2a9bf3d0 | 1306 | lpfc_worker_wake_up(phba); |
0f65ff68 | 1307 | } |
4f774513 JS |
1308 | } |
1309 | ||
f358dd0c | 1310 | out: |
4f774513 JS |
1311 | /* |
1312 | * Clean all volatile data fields, preserve iotag and node struct. | |
1313 | */ | |
1314 | memset((char *)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
6d368e53 | 1315 | iocbq->sli4_lxritag = NO_XRI; |
4f774513 | 1316 | iocbq->sli4_xritag = NO_XRI; |
f358dd0c JS |
1317 | iocbq->iocb_flag &= ~(LPFC_IO_NVME | LPFC_IO_NVMET | |
1318 | LPFC_IO_NVME_LS); | |
4f774513 JS |
1319 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
1320 | } | |
1321 | ||
2a9bf3d0 | 1322 | |
e59058c4 | 1323 | /** |
3772a991 | 1324 | * __lpfc_sli_release_iocbq_s3 - Release iocb to the iocb pool |
e59058c4 JS |
1325 | * @phba: Pointer to HBA context object. |
1326 | * @iocbq: Pointer to driver iocb object. | |
1327 | * | |
1328 | * This function is called with hbalock held to release driver | |
1329 | * iocb object to the iocb pool. The iotag in the iocb object | |
1330 | * does not change for each use of the iocb object. This function | |
1331 | * clears all other fields of the iocb object when it is freed. | |
1332 | **/ | |
a6ababd2 | 1333 | static void |
3772a991 | 1334 | __lpfc_sli_release_iocbq_s3(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
604a3e30 | 1335 | { |
2e0fef85 | 1336 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); |
604a3e30 | 1337 | |
1c2ba475 | 1338 | lockdep_assert_held(&phba->hbalock); |
0e9bb8d7 | 1339 | |
604a3e30 JB |
1340 | /* |
1341 | * Clean all volatile data fields, preserve iotag and node struct. | |
1342 | */ | |
1343 | memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
3772a991 | 1344 | iocbq->sli4_xritag = NO_XRI; |
604a3e30 JB |
1345 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
1346 | } | |
1347 | ||
3772a991 JS |
1348 | /** |
1349 | * __lpfc_sli_release_iocbq - Release iocb to the iocb pool | |
1350 | * @phba: Pointer to HBA context object. | |
1351 | * @iocbq: Pointer to driver iocb object. | |
1352 | * | |
1353 | * This function is called with hbalock held to release driver | |
1354 | * iocb object to the iocb pool. The iotag in the iocb object | |
1355 | * does not change for each use of the iocb object. This function | |
1356 | * clears all other fields of the iocb object when it is freed. | |
1357 | **/ | |
1358 | static void | |
1359 | __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1360 | { | |
1c2ba475 JT |
1361 | lockdep_assert_held(&phba->hbalock); |
1362 | ||
3772a991 | 1363 | phba->__lpfc_sli_release_iocbq(phba, iocbq); |
2a9bf3d0 | 1364 | phba->iocb_cnt--; |
3772a991 JS |
1365 | } |
1366 | ||
e59058c4 | 1367 | /** |
3621a710 | 1368 | * lpfc_sli_release_iocbq - Release iocb to the iocb pool |
e59058c4 JS |
1369 | * @phba: Pointer to HBA context object. |
1370 | * @iocbq: Pointer to driver iocb object. | |
1371 | * | |
1372 | * This function is called with no lock held to release the iocb to | |
1373 | * iocb pool. | |
1374 | **/ | |
2e0fef85 JS |
1375 | void |
1376 | lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1377 | { | |
1378 | unsigned long iflags; | |
1379 | ||
1380 | /* | |
1381 | * Clean all volatile data fields, preserve iotag and node struct. | |
1382 | */ | |
1383 | spin_lock_irqsave(&phba->hbalock, iflags); | |
1384 | __lpfc_sli_release_iocbq(phba, iocbq); | |
1385 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1386 | } | |
1387 | ||
a257bf90 JS |
1388 | /** |
1389 | * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list. | |
1390 | * @phba: Pointer to HBA context object. | |
1391 | * @iocblist: List of IOCBs. | |
1392 | * @ulpstatus: ULP status in IOCB command field. | |
1393 | * @ulpWord4: ULP word-4 in IOCB command field. | |
1394 | * | |
1395 | * This function is called with a list of IOCBs to cancel. It cancels the IOCB | |
1396 | * on the list by invoking the complete callback function associated with the | |
1397 | * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond | |
1398 | * fields. | |
1399 | **/ | |
1400 | void | |
1401 | lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist, | |
1402 | uint32_t ulpstatus, uint32_t ulpWord4) | |
1403 | { | |
1404 | struct lpfc_iocbq *piocb; | |
1405 | ||
1406 | while (!list_empty(iocblist)) { | |
1407 | list_remove_head(iocblist, piocb, struct lpfc_iocbq, list); | |
a257bf90 JS |
1408 | if (!piocb->iocb_cmpl) |
1409 | lpfc_sli_release_iocbq(phba, piocb); | |
1410 | else { | |
1411 | piocb->iocb.ulpStatus = ulpstatus; | |
1412 | piocb->iocb.un.ulpWord[4] = ulpWord4; | |
1413 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
1414 | } | |
1415 | } | |
1416 | return; | |
1417 | } | |
1418 | ||
e59058c4 | 1419 | /** |
3621a710 JS |
1420 | * lpfc_sli_iocb_cmd_type - Get the iocb type |
1421 | * @iocb_cmnd: iocb command code. | |
e59058c4 JS |
1422 | * |
1423 | * This function is called by ring event handler function to get the iocb type. | |
1424 | * This function translates the iocb command to an iocb command type used to | |
1425 | * decide the final disposition of each completed IOCB. | |
1426 | * The function returns | |
1427 | * LPFC_UNKNOWN_IOCB if it is an unsupported iocb | |
1428 | * LPFC_SOL_IOCB if it is a solicited iocb completion | |
1429 | * LPFC_ABORT_IOCB if it is an abort iocb | |
1430 | * LPFC_UNSOL_IOCB if it is an unsolicited iocb | |
1431 | * | |
1432 | * The caller is not required to hold any lock. | |
1433 | **/ | |
dea3101e | 1434 | static lpfc_iocb_type |
1435 | lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) | |
1436 | { | |
1437 | lpfc_iocb_type type = LPFC_UNKNOWN_IOCB; | |
1438 | ||
1439 | if (iocb_cmnd > CMD_MAX_IOCB_CMD) | |
1440 | return 0; | |
1441 | ||
1442 | switch (iocb_cmnd) { | |
1443 | case CMD_XMIT_SEQUENCE_CR: | |
1444 | case CMD_XMIT_SEQUENCE_CX: | |
1445 | case CMD_XMIT_BCAST_CN: | |
1446 | case CMD_XMIT_BCAST_CX: | |
1447 | case CMD_ELS_REQUEST_CR: | |
1448 | case CMD_ELS_REQUEST_CX: | |
1449 | case CMD_CREATE_XRI_CR: | |
1450 | case CMD_CREATE_XRI_CX: | |
1451 | case CMD_GET_RPI_CN: | |
1452 | case CMD_XMIT_ELS_RSP_CX: | |
1453 | case CMD_GET_RPI_CR: | |
1454 | case CMD_FCP_IWRITE_CR: | |
1455 | case CMD_FCP_IWRITE_CX: | |
1456 | case CMD_FCP_IREAD_CR: | |
1457 | case CMD_FCP_IREAD_CX: | |
1458 | case CMD_FCP_ICMND_CR: | |
1459 | case CMD_FCP_ICMND_CX: | |
f5603511 JS |
1460 | case CMD_FCP_TSEND_CX: |
1461 | case CMD_FCP_TRSP_CX: | |
1462 | case CMD_FCP_TRECEIVE_CX: | |
1463 | case CMD_FCP_AUTO_TRSP_CX: | |
dea3101e | 1464 | case CMD_ADAPTER_MSG: |
1465 | case CMD_ADAPTER_DUMP: | |
1466 | case CMD_XMIT_SEQUENCE64_CR: | |
1467 | case CMD_XMIT_SEQUENCE64_CX: | |
1468 | case CMD_XMIT_BCAST64_CN: | |
1469 | case CMD_XMIT_BCAST64_CX: | |
1470 | case CMD_ELS_REQUEST64_CR: | |
1471 | case CMD_ELS_REQUEST64_CX: | |
1472 | case CMD_FCP_IWRITE64_CR: | |
1473 | case CMD_FCP_IWRITE64_CX: | |
1474 | case CMD_FCP_IREAD64_CR: | |
1475 | case CMD_FCP_IREAD64_CX: | |
1476 | case CMD_FCP_ICMND64_CR: | |
1477 | case CMD_FCP_ICMND64_CX: | |
f5603511 JS |
1478 | case CMD_FCP_TSEND64_CX: |
1479 | case CMD_FCP_TRSP64_CX: | |
1480 | case CMD_FCP_TRECEIVE64_CX: | |
dea3101e | 1481 | case CMD_GEN_REQUEST64_CR: |
1482 | case CMD_GEN_REQUEST64_CX: | |
1483 | case CMD_XMIT_ELS_RSP64_CX: | |
da0436e9 JS |
1484 | case DSSCMD_IWRITE64_CR: |
1485 | case DSSCMD_IWRITE64_CX: | |
1486 | case DSSCMD_IREAD64_CR: | |
1487 | case DSSCMD_IREAD64_CX: | |
dea3101e | 1488 | type = LPFC_SOL_IOCB; |
1489 | break; | |
1490 | case CMD_ABORT_XRI_CN: | |
1491 | case CMD_ABORT_XRI_CX: | |
1492 | case CMD_CLOSE_XRI_CN: | |
1493 | case CMD_CLOSE_XRI_CX: | |
1494 | case CMD_XRI_ABORTED_CX: | |
1495 | case CMD_ABORT_MXRI64_CN: | |
6669f9bb | 1496 | case CMD_XMIT_BLS_RSP64_CX: |
dea3101e | 1497 | type = LPFC_ABORT_IOCB; |
1498 | break; | |
1499 | case CMD_RCV_SEQUENCE_CX: | |
1500 | case CMD_RCV_ELS_REQ_CX: | |
1501 | case CMD_RCV_SEQUENCE64_CX: | |
1502 | case CMD_RCV_ELS_REQ64_CX: | |
57127f15 | 1503 | case CMD_ASYNC_STATUS: |
ed957684 JS |
1504 | case CMD_IOCB_RCV_SEQ64_CX: |
1505 | case CMD_IOCB_RCV_ELS64_CX: | |
1506 | case CMD_IOCB_RCV_CONT64_CX: | |
3163f725 | 1507 | case CMD_IOCB_RET_XRI64_CX: |
dea3101e | 1508 | type = LPFC_UNSOL_IOCB; |
1509 | break; | |
3163f725 JS |
1510 | case CMD_IOCB_XMIT_MSEQ64_CR: |
1511 | case CMD_IOCB_XMIT_MSEQ64_CX: | |
1512 | case CMD_IOCB_RCV_SEQ_LIST64_CX: | |
1513 | case CMD_IOCB_RCV_ELS_LIST64_CX: | |
1514 | case CMD_IOCB_CLOSE_EXTENDED_CN: | |
1515 | case CMD_IOCB_ABORT_EXTENDED_CN: | |
1516 | case CMD_IOCB_RET_HBQE64_CN: | |
1517 | case CMD_IOCB_FCP_IBIDIR64_CR: | |
1518 | case CMD_IOCB_FCP_IBIDIR64_CX: | |
1519 | case CMD_IOCB_FCP_ITASKMGT64_CX: | |
1520 | case CMD_IOCB_LOGENTRY_CN: | |
1521 | case CMD_IOCB_LOGENTRY_ASYNC_CN: | |
1522 | printk("%s - Unhandled SLI-3 Command x%x\n", | |
cadbd4a5 | 1523 | __func__, iocb_cmnd); |
3163f725 JS |
1524 | type = LPFC_UNKNOWN_IOCB; |
1525 | break; | |
dea3101e | 1526 | default: |
1527 | type = LPFC_UNKNOWN_IOCB; | |
1528 | break; | |
1529 | } | |
1530 | ||
1531 | return type; | |
1532 | } | |
1533 | ||
e59058c4 | 1534 | /** |
3621a710 | 1535 | * lpfc_sli_ring_map - Issue config_ring mbox for all rings |
e59058c4 JS |
1536 | * @phba: Pointer to HBA context object. |
1537 | * | |
1538 | * This function is called from SLI initialization code | |
1539 | * to configure every ring of the HBA's SLI interface. The | |
1540 | * caller is not required to hold any lock. This function issues | |
1541 | * a config_ring mailbox command for each ring. | |
1542 | * This function returns zero if successful else returns a negative | |
1543 | * error code. | |
1544 | **/ | |
dea3101e | 1545 | static int |
ed957684 | 1546 | lpfc_sli_ring_map(struct lpfc_hba *phba) |
dea3101e | 1547 | { |
1548 | struct lpfc_sli *psli = &phba->sli; | |
ed957684 JS |
1549 | LPFC_MBOXQ_t *pmb; |
1550 | MAILBOX_t *pmbox; | |
1551 | int i, rc, ret = 0; | |
dea3101e | 1552 | |
ed957684 JS |
1553 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1554 | if (!pmb) | |
1555 | return -ENOMEM; | |
04c68496 | 1556 | pmbox = &pmb->u.mb; |
ed957684 | 1557 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e | 1558 | for (i = 0; i < psli->num_rings; i++) { |
dea3101e | 1559 | lpfc_config_ring(phba, i, pmb); |
1560 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
1561 | if (rc != MBX_SUCCESS) { | |
92d7f7b0 | 1562 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 1563 | "0446 Adapter failed to init (%d), " |
dea3101e | 1564 | "mbxCmd x%x CFG_RING, mbxStatus x%x, " |
1565 | "ring %d\n", | |
e8b62011 JS |
1566 | rc, pmbox->mbxCommand, |
1567 | pmbox->mbxStatus, i); | |
2e0fef85 | 1568 | phba->link_state = LPFC_HBA_ERROR; |
ed957684 JS |
1569 | ret = -ENXIO; |
1570 | break; | |
dea3101e | 1571 | } |
1572 | } | |
ed957684 JS |
1573 | mempool_free(pmb, phba->mbox_mem_pool); |
1574 | return ret; | |
dea3101e | 1575 | } |
1576 | ||
e59058c4 | 1577 | /** |
3621a710 | 1578 | * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq |
e59058c4 JS |
1579 | * @phba: Pointer to HBA context object. |
1580 | * @pring: Pointer to driver SLI ring object. | |
1581 | * @piocb: Pointer to the driver iocb object. | |
1582 | * | |
1583 | * This function is called with hbalock held. The function adds the | |
1584 | * new iocb to txcmplq of the given ring. This function always returns | |
1585 | * 0. If this function is called for ELS ring, this function checks if | |
1586 | * there is a vport associated with the ELS command. This function also | |
1587 | * starts els_tmofunc timer if this is an ELS command. | |
1588 | **/ | |
dea3101e | 1589 | static int |
2e0fef85 JS |
1590 | lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
1591 | struct lpfc_iocbq *piocb) | |
dea3101e | 1592 | { |
1c2ba475 JT |
1593 | lockdep_assert_held(&phba->hbalock); |
1594 | ||
2319f847 | 1595 | BUG_ON(!piocb); |
22466da5 | 1596 | |
dea3101e | 1597 | list_add_tail(&piocb->list, &pring->txcmplq); |
4f2e66c6 | 1598 | piocb->iocb_flag |= LPFC_IO_ON_TXCMPLQ; |
c490850a | 1599 | pring->txcmplq_cnt++; |
2a9bf3d0 | 1600 | |
92d7f7b0 JS |
1601 | if ((unlikely(pring->ringno == LPFC_ELS_RING)) && |
1602 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
2319f847 MFO |
1603 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { |
1604 | BUG_ON(!piocb->vport); | |
1605 | if (!(piocb->vport->load_flag & FC_UNLOADING)) | |
1606 | mod_timer(&piocb->vport->els_tmofunc, | |
1607 | jiffies + | |
1608 | msecs_to_jiffies(1000 * (phba->fc_ratov << 1))); | |
1609 | } | |
dea3101e | 1610 | |
2e0fef85 | 1611 | return 0; |
dea3101e | 1612 | } |
1613 | ||
e59058c4 | 1614 | /** |
3621a710 | 1615 | * lpfc_sli_ringtx_get - Get first element of the txq |
e59058c4 JS |
1616 | * @phba: Pointer to HBA context object. |
1617 | * @pring: Pointer to driver SLI ring object. | |
1618 | * | |
1619 | * This function is called with hbalock held to get next | |
1620 | * iocb in txq of the given ring. If there is any iocb in | |
1621 | * the txq, the function returns first iocb in the list after | |
1622 | * removing the iocb from the list, else it returns NULL. | |
1623 | **/ | |
2a9bf3d0 | 1624 | struct lpfc_iocbq * |
2e0fef85 | 1625 | lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 1626 | { |
dea3101e | 1627 | struct lpfc_iocbq *cmd_iocb; |
1628 | ||
1c2ba475 JT |
1629 | lockdep_assert_held(&phba->hbalock); |
1630 | ||
858c9f6c | 1631 | list_remove_head((&pring->txq), cmd_iocb, struct lpfc_iocbq, list); |
2e0fef85 | 1632 | return cmd_iocb; |
dea3101e | 1633 | } |
1634 | ||
e59058c4 | 1635 | /** |
3621a710 | 1636 | * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring |
e59058c4 JS |
1637 | * @phba: Pointer to HBA context object. |
1638 | * @pring: Pointer to driver SLI ring object. | |
1639 | * | |
1640 | * This function is called with hbalock held and the caller must post the | |
1641 | * iocb without releasing the lock. If the caller releases the lock, | |
1642 | * iocb slot returned by the function is not guaranteed to be available. | |
1643 | * The function returns pointer to the next available iocb slot if there | |
1644 | * is available slot in the ring, else it returns NULL. | |
1645 | * If the get index of the ring is ahead of the put index, the function | |
1646 | * will post an error attention event to the worker thread to take the | |
1647 | * HBA to offline state. | |
1648 | **/ | |
dea3101e | 1649 | static IOCB_t * |
1650 | lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
1651 | { | |
34b02dcd | 1652 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
7e56aa25 | 1653 | uint32_t max_cmd_idx = pring->sli.sli3.numCiocb; |
1c2ba475 JT |
1654 | |
1655 | lockdep_assert_held(&phba->hbalock); | |
1656 | ||
7e56aa25 JS |
1657 | if ((pring->sli.sli3.next_cmdidx == pring->sli.sli3.cmdidx) && |
1658 | (++pring->sli.sli3.next_cmdidx >= max_cmd_idx)) | |
1659 | pring->sli.sli3.next_cmdidx = 0; | |
dea3101e | 1660 | |
7e56aa25 JS |
1661 | if (unlikely(pring->sli.sli3.local_getidx == |
1662 | pring->sli.sli3.next_cmdidx)) { | |
dea3101e | 1663 | |
7e56aa25 | 1664 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e | 1665 | |
7e56aa25 | 1666 | if (unlikely(pring->sli.sli3.local_getidx >= max_cmd_idx)) { |
dea3101e | 1667 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 1668 | "0315 Ring %d issue: portCmdGet %d " |
025dfdaf | 1669 | "is bigger than cmd ring %d\n", |
e8b62011 | 1670 | pring->ringno, |
7e56aa25 JS |
1671 | pring->sli.sli3.local_getidx, |
1672 | max_cmd_idx); | |
dea3101e | 1673 | |
2e0fef85 | 1674 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1675 | /* |
1676 | * All error attention handlers are posted to | |
1677 | * worker thread | |
1678 | */ | |
1679 | phba->work_ha |= HA_ERATT; | |
1680 | phba->work_hs = HS_FFER3; | |
92d7f7b0 | 1681 | |
5e9d9b82 | 1682 | lpfc_worker_wake_up(phba); |
dea3101e | 1683 | |
1684 | return NULL; | |
1685 | } | |
1686 | ||
7e56aa25 | 1687 | if (pring->sli.sli3.local_getidx == pring->sli.sli3.next_cmdidx) |
dea3101e | 1688 | return NULL; |
1689 | } | |
1690 | ||
ed957684 | 1691 | return lpfc_cmd_iocb(phba, pring); |
dea3101e | 1692 | } |
1693 | ||
e59058c4 | 1694 | /** |
3621a710 | 1695 | * lpfc_sli_next_iotag - Get an iotag for the iocb |
e59058c4 JS |
1696 | * @phba: Pointer to HBA context object. |
1697 | * @iocbq: Pointer to driver iocb object. | |
1698 | * | |
1699 | * This function gets an iotag for the iocb. If there is no unused iotag and | |
1700 | * the iocbq_lookup_len < 0xffff, this function allocates a bigger iotag_lookup | |
1701 | * array and assigns a new iotag. | |
1702 | * The function returns the allocated iotag if successful, else returns zero. | |
1703 | * Zero is not a valid iotag. | |
1704 | * The caller is not required to hold any lock. | |
1705 | **/ | |
604a3e30 | 1706 | uint16_t |
2e0fef85 | 1707 | lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
dea3101e | 1708 | { |
2e0fef85 JS |
1709 | struct lpfc_iocbq **new_arr; |
1710 | struct lpfc_iocbq **old_arr; | |
604a3e30 JB |
1711 | size_t new_len; |
1712 | struct lpfc_sli *psli = &phba->sli; | |
1713 | uint16_t iotag; | |
dea3101e | 1714 | |
2e0fef85 | 1715 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
1716 | iotag = psli->last_iotag; |
1717 | if(++iotag < psli->iocbq_lookup_len) { | |
1718 | psli->last_iotag = iotag; | |
1719 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1720 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1721 | iocbq->iotag = iotag; |
1722 | return iotag; | |
2e0fef85 | 1723 | } else if (psli->iocbq_lookup_len < (0xffff |
604a3e30 JB |
1724 | - LPFC_IOCBQ_LOOKUP_INCREMENT)) { |
1725 | new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT; | |
2e0fef85 | 1726 | spin_unlock_irq(&phba->hbalock); |
6396bb22 | 1727 | new_arr = kcalloc(new_len, sizeof(struct lpfc_iocbq *), |
604a3e30 JB |
1728 | GFP_KERNEL); |
1729 | if (new_arr) { | |
2e0fef85 | 1730 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
1731 | old_arr = psli->iocbq_lookup; |
1732 | if (new_len <= psli->iocbq_lookup_len) { | |
1733 | /* highly unprobable case */ | |
1734 | kfree(new_arr); | |
1735 | iotag = psli->last_iotag; | |
1736 | if(++iotag < psli->iocbq_lookup_len) { | |
1737 | psli->last_iotag = iotag; | |
1738 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1739 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1740 | iocbq->iotag = iotag; |
1741 | return iotag; | |
1742 | } | |
2e0fef85 | 1743 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1744 | return 0; |
1745 | } | |
1746 | if (psli->iocbq_lookup) | |
1747 | memcpy(new_arr, old_arr, | |
1748 | ((psli->last_iotag + 1) * | |
311464ec | 1749 | sizeof (struct lpfc_iocbq *))); |
604a3e30 JB |
1750 | psli->iocbq_lookup = new_arr; |
1751 | psli->iocbq_lookup_len = new_len; | |
1752 | psli->last_iotag = iotag; | |
1753 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1754 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1755 | iocbq->iotag = iotag; |
1756 | kfree(old_arr); | |
1757 | return iotag; | |
1758 | } | |
8f6d98d2 | 1759 | } else |
2e0fef85 | 1760 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1761 | |
bc73905a | 1762 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 JS |
1763 | "0318 Failed to allocate IOTAG.last IOTAG is %d\n", |
1764 | psli->last_iotag); | |
dea3101e | 1765 | |
604a3e30 | 1766 | return 0; |
dea3101e | 1767 | } |
1768 | ||
e59058c4 | 1769 | /** |
3621a710 | 1770 | * lpfc_sli_submit_iocb - Submit an iocb to the firmware |
e59058c4 JS |
1771 | * @phba: Pointer to HBA context object. |
1772 | * @pring: Pointer to driver SLI ring object. | |
1773 | * @iocb: Pointer to iocb slot in the ring. | |
1774 | * @nextiocb: Pointer to driver iocb object which need to be | |
1775 | * posted to firmware. | |
1776 | * | |
1777 | * This function is called with hbalock held to post a new iocb to | |
1778 | * the firmware. This function copies the new iocb to ring iocb slot and | |
1779 | * updates the ring pointers. It adds the new iocb to txcmplq if there is | |
1780 | * a completion call back for this iocb else the function will free the | |
1781 | * iocb object. | |
1782 | **/ | |
dea3101e | 1783 | static void |
1784 | lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
1785 | IOCB_t *iocb, struct lpfc_iocbq *nextiocb) | |
1786 | { | |
1c2ba475 | 1787 | lockdep_assert_held(&phba->hbalock); |
dea3101e | 1788 | /* |
604a3e30 | 1789 | * Set up an iotag |
dea3101e | 1790 | */ |
604a3e30 | 1791 | nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0; |
dea3101e | 1792 | |
e2a0a9d6 | 1793 | |
a58cbd52 JS |
1794 | if (pring->ringno == LPFC_ELS_RING) { |
1795 | lpfc_debugfs_slow_ring_trc(phba, | |
1796 | "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
1797 | *(((uint32_t *) &nextiocb->iocb) + 4), | |
1798 | *(((uint32_t *) &nextiocb->iocb) + 6), | |
1799 | *(((uint32_t *) &nextiocb->iocb) + 7)); | |
1800 | } | |
1801 | ||
dea3101e | 1802 | /* |
1803 | * Issue iocb command to adapter | |
1804 | */ | |
92d7f7b0 | 1805 | lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, phba->iocb_cmd_size); |
dea3101e | 1806 | wmb(); |
1807 | pring->stats.iocb_cmd++; | |
1808 | ||
1809 | /* | |
1810 | * If there is no completion routine to call, we can release the | |
1811 | * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, | |
1812 | * that have no rsp ring completion, iocb_cmpl MUST be NULL. | |
1813 | */ | |
1814 | if (nextiocb->iocb_cmpl) | |
1815 | lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); | |
604a3e30 | 1816 | else |
2e0fef85 | 1817 | __lpfc_sli_release_iocbq(phba, nextiocb); |
dea3101e | 1818 | |
1819 | /* | |
1820 | * Let the HBA know what IOCB slot will be the next one the | |
1821 | * driver will put a command into. | |
1822 | */ | |
7e56aa25 JS |
1823 | pring->sli.sli3.cmdidx = pring->sli.sli3.next_cmdidx; |
1824 | writel(pring->sli.sli3.cmdidx, &phba->host_gp[pring->ringno].cmdPutInx); | |
dea3101e | 1825 | } |
1826 | ||
e59058c4 | 1827 | /** |
3621a710 | 1828 | * lpfc_sli_update_full_ring - Update the chip attention register |
e59058c4 JS |
1829 | * @phba: Pointer to HBA context object. |
1830 | * @pring: Pointer to driver SLI ring object. | |
1831 | * | |
1832 | * The caller is not required to hold any lock for calling this function. | |
1833 | * This function updates the chip attention bits for the ring to inform firmware | |
1834 | * that there are pending work to be done for this ring and requests an | |
1835 | * interrupt when there is space available in the ring. This function is | |
1836 | * called when the driver is unable to post more iocbs to the ring due | |
1837 | * to unavailability of space in the ring. | |
1838 | **/ | |
dea3101e | 1839 | static void |
2e0fef85 | 1840 | lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 1841 | { |
1842 | int ringno = pring->ringno; | |
1843 | ||
1844 | pring->flag |= LPFC_CALL_RING_AVAILABLE; | |
1845 | ||
1846 | wmb(); | |
1847 | ||
1848 | /* | |
1849 | * Set ring 'ringno' to SET R0CE_REQ in Chip Att register. | |
1850 | * The HBA will tell us when an IOCB entry is available. | |
1851 | */ | |
1852 | writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr); | |
1853 | readl(phba->CAregaddr); /* flush */ | |
1854 | ||
1855 | pring->stats.iocb_cmd_full++; | |
1856 | } | |
1857 | ||
e59058c4 | 1858 | /** |
3621a710 | 1859 | * lpfc_sli_update_ring - Update chip attention register |
e59058c4 JS |
1860 | * @phba: Pointer to HBA context object. |
1861 | * @pring: Pointer to driver SLI ring object. | |
1862 | * | |
1863 | * This function updates the chip attention register bit for the | |
1864 | * given ring to inform HBA that there is more work to be done | |
1865 | * in this ring. The caller is not required to hold any lock. | |
1866 | **/ | |
dea3101e | 1867 | static void |
2e0fef85 | 1868 | lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 1869 | { |
1870 | int ringno = pring->ringno; | |
1871 | ||
1872 | /* | |
1873 | * Tell the HBA that there is work to do in this ring. | |
1874 | */ | |
34b02dcd JS |
1875 | if (!(phba->sli3_options & LPFC_SLI3_CRP_ENABLED)) { |
1876 | wmb(); | |
1877 | writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); | |
1878 | readl(phba->CAregaddr); /* flush */ | |
1879 | } | |
dea3101e | 1880 | } |
1881 | ||
e59058c4 | 1882 | /** |
3621a710 | 1883 | * lpfc_sli_resume_iocb - Process iocbs in the txq |
e59058c4 JS |
1884 | * @phba: Pointer to HBA context object. |
1885 | * @pring: Pointer to driver SLI ring object. | |
1886 | * | |
1887 | * This function is called with hbalock held to post pending iocbs | |
1888 | * in the txq to the firmware. This function is called when driver | |
1889 | * detects space available in the ring. | |
1890 | **/ | |
dea3101e | 1891 | static void |
2e0fef85 | 1892 | lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 1893 | { |
1894 | IOCB_t *iocb; | |
1895 | struct lpfc_iocbq *nextiocb; | |
1896 | ||
1c2ba475 JT |
1897 | lockdep_assert_held(&phba->hbalock); |
1898 | ||
dea3101e | 1899 | /* |
1900 | * Check to see if: | |
1901 | * (a) there is anything on the txq to send | |
1902 | * (b) link is up | |
1903 | * (c) link attention events can be processed (fcp ring only) | |
1904 | * (d) IOCB processing is not blocked by the outstanding mbox command. | |
1905 | */ | |
0e9bb8d7 JS |
1906 | |
1907 | if (lpfc_is_link_up(phba) && | |
1908 | (!list_empty(&pring->txq)) && | |
895427bd | 1909 | (pring->ringno != LPFC_FCP_RING || |
0b727fea | 1910 | phba->sli.sli_flag & LPFC_PROCESS_LA)) { |
dea3101e | 1911 | |
1912 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && | |
1913 | (nextiocb = lpfc_sli_ringtx_get(phba, pring))) | |
1914 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
1915 | ||
1916 | if (iocb) | |
1917 | lpfc_sli_update_ring(phba, pring); | |
1918 | else | |
1919 | lpfc_sli_update_full_ring(phba, pring); | |
1920 | } | |
1921 | ||
1922 | return; | |
1923 | } | |
1924 | ||
e59058c4 | 1925 | /** |
3621a710 | 1926 | * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ |
e59058c4 JS |
1927 | * @phba: Pointer to HBA context object. |
1928 | * @hbqno: HBQ number. | |
1929 | * | |
1930 | * This function is called with hbalock held to get the next | |
1931 | * available slot for the given HBQ. If there is free slot | |
1932 | * available for the HBQ it will return pointer to the next available | |
1933 | * HBQ entry else it will return NULL. | |
1934 | **/ | |
a6ababd2 | 1935 | static struct lpfc_hbq_entry * |
ed957684 JS |
1936 | lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) |
1937 | { | |
1938 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
1939 | ||
1c2ba475 JT |
1940 | lockdep_assert_held(&phba->hbalock); |
1941 | ||
ed957684 JS |
1942 | if (hbqp->next_hbqPutIdx == hbqp->hbqPutIdx && |
1943 | ++hbqp->next_hbqPutIdx >= hbqp->entry_count) | |
1944 | hbqp->next_hbqPutIdx = 0; | |
1945 | ||
1946 | if (unlikely(hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)) { | |
92d7f7b0 | 1947 | uint32_t raw_index = phba->hbq_get[hbqno]; |
ed957684 JS |
1948 | uint32_t getidx = le32_to_cpu(raw_index); |
1949 | ||
1950 | hbqp->local_hbqGetIdx = getidx; | |
1951 | ||
1952 | if (unlikely(hbqp->local_hbqGetIdx >= hbqp->entry_count)) { | |
1953 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 1954 | LOG_SLI | LOG_VPORT, |
e8b62011 | 1955 | "1802 HBQ %d: local_hbqGetIdx " |
ed957684 | 1956 | "%u is > than hbqp->entry_count %u\n", |
e8b62011 | 1957 | hbqno, hbqp->local_hbqGetIdx, |
ed957684 JS |
1958 | hbqp->entry_count); |
1959 | ||
1960 | phba->link_state = LPFC_HBA_ERROR; | |
1961 | return NULL; | |
1962 | } | |
1963 | ||
1964 | if (hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx) | |
1965 | return NULL; | |
1966 | } | |
1967 | ||
51ef4c26 JS |
1968 | return (struct lpfc_hbq_entry *) phba->hbqs[hbqno].hbq_virt + |
1969 | hbqp->hbqPutIdx; | |
ed957684 JS |
1970 | } |
1971 | ||
e59058c4 | 1972 | /** |
3621a710 | 1973 | * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers |
e59058c4 JS |
1974 | * @phba: Pointer to HBA context object. |
1975 | * | |
1976 | * This function is called with no lock held to free all the | |
1977 | * hbq buffers while uninitializing the SLI interface. It also | |
1978 | * frees the HBQ buffers returned by the firmware but not yet | |
1979 | * processed by the upper layers. | |
1980 | **/ | |
ed957684 JS |
1981 | void |
1982 | lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) | |
1983 | { | |
92d7f7b0 JS |
1984 | struct lpfc_dmabuf *dmabuf, *next_dmabuf; |
1985 | struct hbq_dmabuf *hbq_buf; | |
3163f725 | 1986 | unsigned long flags; |
51ef4c26 | 1987 | int i, hbq_count; |
ed957684 | 1988 | |
51ef4c26 | 1989 | hbq_count = lpfc_sli_hbq_count(); |
ed957684 | 1990 | /* Return all memory used by all HBQs */ |
3163f725 | 1991 | spin_lock_irqsave(&phba->hbalock, flags); |
51ef4c26 JS |
1992 | for (i = 0; i < hbq_count; ++i) { |
1993 | list_for_each_entry_safe(dmabuf, next_dmabuf, | |
1994 | &phba->hbqs[i].hbq_buffer_list, list) { | |
1995 | hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf); | |
1996 | list_del(&hbq_buf->dbuf.list); | |
1997 | (phba->hbqs[i].hbq_free_buffer)(phba, hbq_buf); | |
1998 | } | |
a8adb832 | 1999 | phba->hbqs[i].buffer_count = 0; |
ed957684 | 2000 | } |
3163f725 JS |
2001 | |
2002 | /* Mark the HBQs not in use */ | |
2003 | phba->hbq_in_use = 0; | |
2004 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
ed957684 JS |
2005 | } |
2006 | ||
e59058c4 | 2007 | /** |
3621a710 | 2008 | * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware |
e59058c4 JS |
2009 | * @phba: Pointer to HBA context object. |
2010 | * @hbqno: HBQ number. | |
2011 | * @hbq_buf: Pointer to HBQ buffer. | |
2012 | * | |
2013 | * This function is called with the hbalock held to post a | |
2014 | * hbq buffer to the firmware. If the function finds an empty | |
2015 | * slot in the HBQ, it will post the buffer. The function will return | |
2016 | * pointer to the hbq entry if it successfully post the buffer | |
2017 | * else it will return NULL. | |
2018 | **/ | |
3772a991 | 2019 | static int |
ed957684 | 2020 | lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno, |
92d7f7b0 | 2021 | struct hbq_dmabuf *hbq_buf) |
3772a991 | 2022 | { |
1c2ba475 | 2023 | lockdep_assert_held(&phba->hbalock); |
3772a991 JS |
2024 | return phba->lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buf); |
2025 | } | |
2026 | ||
2027 | /** | |
2028 | * lpfc_sli_hbq_to_firmware_s3 - Post the hbq buffer to SLI3 firmware | |
2029 | * @phba: Pointer to HBA context object. | |
2030 | * @hbqno: HBQ number. | |
2031 | * @hbq_buf: Pointer to HBQ buffer. | |
2032 | * | |
2033 | * This function is called with the hbalock held to post a hbq buffer to the | |
2034 | * firmware. If the function finds an empty slot in the HBQ, it will post the | |
2035 | * buffer and place it on the hbq_buffer_list. The function will return zero if | |
2036 | * it successfully post the buffer else it will return an error. | |
2037 | **/ | |
2038 | static int | |
2039 | lpfc_sli_hbq_to_firmware_s3(struct lpfc_hba *phba, uint32_t hbqno, | |
2040 | struct hbq_dmabuf *hbq_buf) | |
ed957684 JS |
2041 | { |
2042 | struct lpfc_hbq_entry *hbqe; | |
92d7f7b0 | 2043 | dma_addr_t physaddr = hbq_buf->dbuf.phys; |
ed957684 | 2044 | |
1c2ba475 | 2045 | lockdep_assert_held(&phba->hbalock); |
ed957684 JS |
2046 | /* Get next HBQ entry slot to use */ |
2047 | hbqe = lpfc_sli_next_hbq_slot(phba, hbqno); | |
2048 | if (hbqe) { | |
2049 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
2050 | ||
92d7f7b0 JS |
2051 | hbqe->bde.addrHigh = le32_to_cpu(putPaddrHigh(physaddr)); |
2052 | hbqe->bde.addrLow = le32_to_cpu(putPaddrLow(physaddr)); | |
895427bd | 2053 | hbqe->bde.tus.f.bdeSize = hbq_buf->total_size; |
ed957684 | 2054 | hbqe->bde.tus.f.bdeFlags = 0; |
92d7f7b0 JS |
2055 | hbqe->bde.tus.w = le32_to_cpu(hbqe->bde.tus.w); |
2056 | hbqe->buffer_tag = le32_to_cpu(hbq_buf->tag); | |
2057 | /* Sync SLIM */ | |
ed957684 JS |
2058 | hbqp->hbqPutIdx = hbqp->next_hbqPutIdx; |
2059 | writel(hbqp->hbqPutIdx, phba->hbq_put + hbqno); | |
92d7f7b0 | 2060 | /* flush */ |
ed957684 | 2061 | readl(phba->hbq_put + hbqno); |
51ef4c26 | 2062 | list_add_tail(&hbq_buf->dbuf.list, &hbqp->hbq_buffer_list); |
3772a991 JS |
2063 | return 0; |
2064 | } else | |
2065 | return -ENOMEM; | |
ed957684 JS |
2066 | } |
2067 | ||
4f774513 JS |
2068 | /** |
2069 | * lpfc_sli_hbq_to_firmware_s4 - Post the hbq buffer to SLI4 firmware | |
2070 | * @phba: Pointer to HBA context object. | |
2071 | * @hbqno: HBQ number. | |
2072 | * @hbq_buf: Pointer to HBQ buffer. | |
2073 | * | |
2074 | * This function is called with the hbalock held to post an RQE to the SLI4 | |
2075 | * firmware. If able to post the RQE to the RQ it will queue the hbq entry to | |
2076 | * the hbq_buffer_list and return zero, otherwise it will return an error. | |
2077 | **/ | |
2078 | static int | |
2079 | lpfc_sli_hbq_to_firmware_s4(struct lpfc_hba *phba, uint32_t hbqno, | |
2080 | struct hbq_dmabuf *hbq_buf) | |
2081 | { | |
2082 | int rc; | |
2083 | struct lpfc_rqe hrqe; | |
2084 | struct lpfc_rqe drqe; | |
895427bd JS |
2085 | struct lpfc_queue *hrq; |
2086 | struct lpfc_queue *drq; | |
2087 | ||
2088 | if (hbqno != LPFC_ELS_HBQ) | |
2089 | return 1; | |
2090 | hrq = phba->sli4_hba.hdr_rq; | |
2091 | drq = phba->sli4_hba.dat_rq; | |
4f774513 | 2092 | |
1c2ba475 | 2093 | lockdep_assert_held(&phba->hbalock); |
4f774513 JS |
2094 | hrqe.address_lo = putPaddrLow(hbq_buf->hbuf.phys); |
2095 | hrqe.address_hi = putPaddrHigh(hbq_buf->hbuf.phys); | |
2096 | drqe.address_lo = putPaddrLow(hbq_buf->dbuf.phys); | |
2097 | drqe.address_hi = putPaddrHigh(hbq_buf->dbuf.phys); | |
895427bd | 2098 | rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe); |
4f774513 JS |
2099 | if (rc < 0) |
2100 | return rc; | |
895427bd | 2101 | hbq_buf->tag = (rc | (hbqno << 16)); |
4f774513 JS |
2102 | list_add_tail(&hbq_buf->dbuf.list, &phba->hbqs[hbqno].hbq_buffer_list); |
2103 | return 0; | |
2104 | } | |
2105 | ||
e59058c4 | 2106 | /* HBQ for ELS and CT traffic. */ |
92d7f7b0 JS |
2107 | static struct lpfc_hbq_init lpfc_els_hbq = { |
2108 | .rn = 1, | |
def9c7a9 | 2109 | .entry_count = 256, |
92d7f7b0 JS |
2110 | .mask_count = 0, |
2111 | .profile = 0, | |
51ef4c26 | 2112 | .ring_mask = (1 << LPFC_ELS_RING), |
92d7f7b0 | 2113 | .buffer_count = 0, |
a257bf90 JS |
2114 | .init_count = 40, |
2115 | .add_count = 40, | |
92d7f7b0 | 2116 | }; |
ed957684 | 2117 | |
e59058c4 | 2118 | /* Array of HBQs */ |
78b2d852 | 2119 | struct lpfc_hbq_init *lpfc_hbq_defs[] = { |
92d7f7b0 JS |
2120 | &lpfc_els_hbq, |
2121 | }; | |
ed957684 | 2122 | |
e59058c4 | 2123 | /** |
3621a710 | 2124 | * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ |
e59058c4 JS |
2125 | * @phba: Pointer to HBA context object. |
2126 | * @hbqno: HBQ number. | |
2127 | * @count: Number of HBQ buffers to be posted. | |
2128 | * | |
d7c255b2 JS |
2129 | * This function is called with no lock held to post more hbq buffers to the |
2130 | * given HBQ. The function returns the number of HBQ buffers successfully | |
2131 | * posted. | |
e59058c4 | 2132 | **/ |
311464ec | 2133 | static int |
92d7f7b0 | 2134 | lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) |
ed957684 | 2135 | { |
d7c255b2 | 2136 | uint32_t i, posted = 0; |
3163f725 | 2137 | unsigned long flags; |
92d7f7b0 | 2138 | struct hbq_dmabuf *hbq_buffer; |
d7c255b2 | 2139 | LIST_HEAD(hbq_buf_list); |
eafe1df9 | 2140 | if (!phba->hbqs[hbqno].hbq_alloc_buffer) |
51ef4c26 | 2141 | return 0; |
51ef4c26 | 2142 | |
d7c255b2 JS |
2143 | if ((phba->hbqs[hbqno].buffer_count + count) > |
2144 | lpfc_hbq_defs[hbqno]->entry_count) | |
2145 | count = lpfc_hbq_defs[hbqno]->entry_count - | |
2146 | phba->hbqs[hbqno].buffer_count; | |
2147 | if (!count) | |
2148 | return 0; | |
2149 | /* Allocate HBQ entries */ | |
2150 | for (i = 0; i < count; i++) { | |
2151 | hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); | |
2152 | if (!hbq_buffer) | |
2153 | break; | |
2154 | list_add_tail(&hbq_buffer->dbuf.list, &hbq_buf_list); | |
2155 | } | |
3163f725 JS |
2156 | /* Check whether HBQ is still in use */ |
2157 | spin_lock_irqsave(&phba->hbalock, flags); | |
eafe1df9 | 2158 | if (!phba->hbq_in_use) |
d7c255b2 JS |
2159 | goto err; |
2160 | while (!list_empty(&hbq_buf_list)) { | |
2161 | list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, | |
2162 | dbuf.list); | |
2163 | hbq_buffer->tag = (phba->hbqs[hbqno].buffer_count | | |
2164 | (hbqno << 16)); | |
3772a991 | 2165 | if (!lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) { |
a8adb832 | 2166 | phba->hbqs[hbqno].buffer_count++; |
d7c255b2 JS |
2167 | posted++; |
2168 | } else | |
51ef4c26 | 2169 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
ed957684 | 2170 | } |
3163f725 | 2171 | spin_unlock_irqrestore(&phba->hbalock, flags); |
d7c255b2 JS |
2172 | return posted; |
2173 | err: | |
eafe1df9 | 2174 | spin_unlock_irqrestore(&phba->hbalock, flags); |
d7c255b2 JS |
2175 | while (!list_empty(&hbq_buf_list)) { |
2176 | list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, | |
2177 | dbuf.list); | |
2178 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); | |
2179 | } | |
2180 | return 0; | |
ed957684 JS |
2181 | } |
2182 | ||
e59058c4 | 2183 | /** |
3621a710 | 2184 | * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware |
e59058c4 JS |
2185 | * @phba: Pointer to HBA context object. |
2186 | * @qno: HBQ number. | |
2187 | * | |
2188 | * This function posts more buffers to the HBQ. This function | |
d7c255b2 JS |
2189 | * is called with no lock held. The function returns the number of HBQ entries |
2190 | * successfully allocated. | |
e59058c4 | 2191 | **/ |
92d7f7b0 JS |
2192 | int |
2193 | lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) | |
ed957684 | 2194 | { |
def9c7a9 JS |
2195 | if (phba->sli_rev == LPFC_SLI_REV4) |
2196 | return 0; | |
2197 | else | |
2198 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
2199 | lpfc_hbq_defs[qno]->add_count); | |
92d7f7b0 | 2200 | } |
ed957684 | 2201 | |
e59058c4 | 2202 | /** |
3621a710 | 2203 | * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ |
e59058c4 JS |
2204 | * @phba: Pointer to HBA context object. |
2205 | * @qno: HBQ queue number. | |
2206 | * | |
2207 | * This function is called from SLI initialization code path with | |
2208 | * no lock held to post initial HBQ buffers to firmware. The | |
d7c255b2 | 2209 | * function returns the number of HBQ entries successfully allocated. |
e59058c4 | 2210 | **/ |
a6ababd2 | 2211 | static int |
92d7f7b0 JS |
2212 | lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) |
2213 | { | |
def9c7a9 JS |
2214 | if (phba->sli_rev == LPFC_SLI_REV4) |
2215 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
73d91e50 | 2216 | lpfc_hbq_defs[qno]->entry_count); |
def9c7a9 JS |
2217 | else |
2218 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
2219 | lpfc_hbq_defs[qno]->init_count); | |
ed957684 JS |
2220 | } |
2221 | ||
3772a991 JS |
2222 | /** |
2223 | * lpfc_sli_hbqbuf_get - Remove the first hbq off of an hbq list | |
2224 | * @phba: Pointer to HBA context object. | |
2225 | * @hbqno: HBQ number. | |
2226 | * | |
2227 | * This function removes the first hbq buffer on an hbq list and returns a | |
2228 | * pointer to that buffer. If it finds no buffers on the list it returns NULL. | |
2229 | **/ | |
2230 | static struct hbq_dmabuf * | |
2231 | lpfc_sli_hbqbuf_get(struct list_head *rb_list) | |
2232 | { | |
2233 | struct lpfc_dmabuf *d_buf; | |
2234 | ||
2235 | list_remove_head(rb_list, d_buf, struct lpfc_dmabuf, list); | |
2236 | if (!d_buf) | |
2237 | return NULL; | |
2238 | return container_of(d_buf, struct hbq_dmabuf, dbuf); | |
2239 | } | |
2240 | ||
2d7dbc4c JS |
2241 | /** |
2242 | * lpfc_sli_rqbuf_get - Remove the first dma buffer off of an RQ list | |
2243 | * @phba: Pointer to HBA context object. | |
2244 | * @hbqno: HBQ number. | |
2245 | * | |
2246 | * This function removes the first RQ buffer on an RQ buffer list and returns a | |
2247 | * pointer to that buffer. If it finds no buffers on the list it returns NULL. | |
2248 | **/ | |
2249 | static struct rqb_dmabuf * | |
2250 | lpfc_sli_rqbuf_get(struct lpfc_hba *phba, struct lpfc_queue *hrq) | |
2251 | { | |
2252 | struct lpfc_dmabuf *h_buf; | |
2253 | struct lpfc_rqb *rqbp; | |
2254 | ||
2255 | rqbp = hrq->rqbp; | |
2256 | list_remove_head(&rqbp->rqb_buffer_list, h_buf, | |
2257 | struct lpfc_dmabuf, list); | |
2258 | if (!h_buf) | |
2259 | return NULL; | |
2260 | rqbp->buffer_count--; | |
2261 | return container_of(h_buf, struct rqb_dmabuf, hbuf); | |
2262 | } | |
2263 | ||
e59058c4 | 2264 | /** |
3621a710 | 2265 | * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag |
e59058c4 JS |
2266 | * @phba: Pointer to HBA context object. |
2267 | * @tag: Tag of the hbq buffer. | |
2268 | * | |
71892418 SH |
2269 | * This function searches for the hbq buffer associated with the given tag in |
2270 | * the hbq buffer list. If it finds the hbq buffer, it returns the hbq_buffer | |
2271 | * otherwise it returns NULL. | |
e59058c4 | 2272 | **/ |
a6ababd2 | 2273 | static struct hbq_dmabuf * |
92d7f7b0 | 2274 | lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) |
ed957684 | 2275 | { |
92d7f7b0 JS |
2276 | struct lpfc_dmabuf *d_buf; |
2277 | struct hbq_dmabuf *hbq_buf; | |
51ef4c26 JS |
2278 | uint32_t hbqno; |
2279 | ||
2280 | hbqno = tag >> 16; | |
a0a74e45 | 2281 | if (hbqno >= LPFC_MAX_HBQS) |
51ef4c26 | 2282 | return NULL; |
ed957684 | 2283 | |
3772a991 | 2284 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 2285 | list_for_each_entry(d_buf, &phba->hbqs[hbqno].hbq_buffer_list, list) { |
92d7f7b0 | 2286 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
51ef4c26 | 2287 | if (hbq_buf->tag == tag) { |
3772a991 | 2288 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 2289 | return hbq_buf; |
ed957684 JS |
2290 | } |
2291 | } | |
3772a991 | 2292 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 2293 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_VPORT, |
e8b62011 | 2294 | "1803 Bad hbq tag. Data: x%x x%x\n", |
a8adb832 | 2295 | tag, phba->hbqs[tag >> 16].buffer_count); |
92d7f7b0 | 2296 | return NULL; |
ed957684 JS |
2297 | } |
2298 | ||
e59058c4 | 2299 | /** |
3621a710 | 2300 | * lpfc_sli_free_hbq - Give back the hbq buffer to firmware |
e59058c4 JS |
2301 | * @phba: Pointer to HBA context object. |
2302 | * @hbq_buffer: Pointer to HBQ buffer. | |
2303 | * | |
2304 | * This function is called with hbalock. This function gives back | |
2305 | * the hbq buffer to firmware. If the HBQ does not have space to | |
2306 | * post the buffer, it will free the buffer. | |
2307 | **/ | |
ed957684 | 2308 | void |
51ef4c26 | 2309 | lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) |
ed957684 JS |
2310 | { |
2311 | uint32_t hbqno; | |
2312 | ||
51ef4c26 JS |
2313 | if (hbq_buffer) { |
2314 | hbqno = hbq_buffer->tag >> 16; | |
3772a991 | 2315 | if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) |
51ef4c26 | 2316 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
ed957684 JS |
2317 | } |
2318 | } | |
2319 | ||
e59058c4 | 2320 | /** |
3621a710 | 2321 | * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox |
e59058c4 JS |
2322 | * @mbxCommand: mailbox command code. |
2323 | * | |
2324 | * This function is called by the mailbox event handler function to verify | |
2325 | * that the completed mailbox command is a legitimate mailbox command. If the | |
2326 | * completed mailbox is not known to the function, it will return MBX_SHUTDOWN | |
2327 | * and the mailbox event handler will take the HBA offline. | |
2328 | **/ | |
dea3101e | 2329 | static int |
2330 | lpfc_sli_chk_mbx_command(uint8_t mbxCommand) | |
2331 | { | |
2332 | uint8_t ret; | |
2333 | ||
2334 | switch (mbxCommand) { | |
2335 | case MBX_LOAD_SM: | |
2336 | case MBX_READ_NV: | |
2337 | case MBX_WRITE_NV: | |
a8adb832 | 2338 | case MBX_WRITE_VPARMS: |
dea3101e | 2339 | case MBX_RUN_BIU_DIAG: |
2340 | case MBX_INIT_LINK: | |
2341 | case MBX_DOWN_LINK: | |
2342 | case MBX_CONFIG_LINK: | |
2343 | case MBX_CONFIG_RING: | |
2344 | case MBX_RESET_RING: | |
2345 | case MBX_READ_CONFIG: | |
2346 | case MBX_READ_RCONFIG: | |
2347 | case MBX_READ_SPARM: | |
2348 | case MBX_READ_STATUS: | |
2349 | case MBX_READ_RPI: | |
2350 | case MBX_READ_XRI: | |
2351 | case MBX_READ_REV: | |
2352 | case MBX_READ_LNK_STAT: | |
2353 | case MBX_REG_LOGIN: | |
2354 | case MBX_UNREG_LOGIN: | |
dea3101e | 2355 | case MBX_CLEAR_LA: |
2356 | case MBX_DUMP_MEMORY: | |
2357 | case MBX_DUMP_CONTEXT: | |
2358 | case MBX_RUN_DIAGS: | |
2359 | case MBX_RESTART: | |
2360 | case MBX_UPDATE_CFG: | |
2361 | case MBX_DOWN_LOAD: | |
2362 | case MBX_DEL_LD_ENTRY: | |
2363 | case MBX_RUN_PROGRAM: | |
2364 | case MBX_SET_MASK: | |
09372820 | 2365 | case MBX_SET_VARIABLE: |
dea3101e | 2366 | case MBX_UNREG_D_ID: |
41415862 | 2367 | case MBX_KILL_BOARD: |
dea3101e | 2368 | case MBX_CONFIG_FARP: |
41415862 | 2369 | case MBX_BEACON: |
dea3101e | 2370 | case MBX_LOAD_AREA: |
2371 | case MBX_RUN_BIU_DIAG64: | |
2372 | case MBX_CONFIG_PORT: | |
2373 | case MBX_READ_SPARM64: | |
2374 | case MBX_READ_RPI64: | |
2375 | case MBX_REG_LOGIN64: | |
76a95d75 | 2376 | case MBX_READ_TOPOLOGY: |
09372820 | 2377 | case MBX_WRITE_WWN: |
dea3101e | 2378 | case MBX_SET_DEBUG: |
2379 | case MBX_LOAD_EXP_ROM: | |
57127f15 | 2380 | case MBX_ASYNCEVT_ENABLE: |
92d7f7b0 JS |
2381 | case MBX_REG_VPI: |
2382 | case MBX_UNREG_VPI: | |
858c9f6c | 2383 | case MBX_HEARTBEAT: |
84774a4d JS |
2384 | case MBX_PORT_CAPABILITIES: |
2385 | case MBX_PORT_IOV_CONTROL: | |
04c68496 JS |
2386 | case MBX_SLI4_CONFIG: |
2387 | case MBX_SLI4_REQ_FTRS: | |
2388 | case MBX_REG_FCFI: | |
2389 | case MBX_UNREG_FCFI: | |
2390 | case MBX_REG_VFI: | |
2391 | case MBX_UNREG_VFI: | |
2392 | case MBX_INIT_VPI: | |
2393 | case MBX_INIT_VFI: | |
2394 | case MBX_RESUME_RPI: | |
c7495937 JS |
2395 | case MBX_READ_EVENT_LOG_STATUS: |
2396 | case MBX_READ_EVENT_LOG: | |
dcf2a4e0 JS |
2397 | case MBX_SECURITY_MGMT: |
2398 | case MBX_AUTH_PORT: | |
940eb687 | 2399 | case MBX_ACCESS_VDATA: |
dea3101e | 2400 | ret = mbxCommand; |
2401 | break; | |
2402 | default: | |
2403 | ret = MBX_SHUTDOWN; | |
2404 | break; | |
2405 | } | |
2e0fef85 | 2406 | return ret; |
dea3101e | 2407 | } |
e59058c4 JS |
2408 | |
2409 | /** | |
3621a710 | 2410 | * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler |
e59058c4 JS |
2411 | * @phba: Pointer to HBA context object. |
2412 | * @pmboxq: Pointer to mailbox command. | |
2413 | * | |
2414 | * This is completion handler function for mailbox commands issued from | |
2415 | * lpfc_sli_issue_mbox_wait function. This function is called by the | |
2416 | * mailbox event handler function with no lock held. This function | |
2417 | * will wake up thread waiting on the wait queue pointed by context1 | |
2418 | * of the mailbox. | |
2419 | **/ | |
04c68496 | 2420 | void |
2e0fef85 | 2421 | lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) |
dea3101e | 2422 | { |
858c9f6c | 2423 | unsigned long drvr_flag; |
e29d74f8 | 2424 | struct completion *pmbox_done; |
dea3101e | 2425 | |
2426 | /* | |
e29d74f8 | 2427 | * If pmbox_done is empty, the driver thread gave up waiting and |
dea3101e | 2428 | * continued running. |
2429 | */ | |
7054a606 | 2430 | pmboxq->mbox_flag |= LPFC_MBX_WAKE; |
858c9f6c | 2431 | spin_lock_irqsave(&phba->hbalock, drvr_flag); |
e29d74f8 JS |
2432 | pmbox_done = (struct completion *)pmboxq->context3; |
2433 | if (pmbox_done) | |
2434 | complete(pmbox_done); | |
858c9f6c | 2435 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 2436 | return; |
2437 | } | |
2438 | ||
e59058c4 JS |
2439 | |
2440 | /** | |
3621a710 | 2441 | * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler |
e59058c4 JS |
2442 | * @phba: Pointer to HBA context object. |
2443 | * @pmb: Pointer to mailbox object. | |
2444 | * | |
2445 | * This function is the default mailbox completion handler. It | |
2446 | * frees the memory resources associated with the completed mailbox | |
2447 | * command. If the completed command is a REG_LOGIN mailbox command, | |
2448 | * this function will issue a UREG_LOGIN to re-claim the RPI. | |
2449 | **/ | |
dea3101e | 2450 | void |
2e0fef85 | 2451 | lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2452 | { |
d439d286 | 2453 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 2454 | struct lpfc_dmabuf *mp; |
d439d286 | 2455 | struct lpfc_nodelist *ndlp; |
5af5eee7 | 2456 | struct Scsi_Host *shost; |
04c68496 | 2457 | uint16_t rpi, vpi; |
7054a606 JS |
2458 | int rc; |
2459 | ||
3e1f0718 | 2460 | mp = (struct lpfc_dmabuf *)(pmb->ctx_buf); |
7054a606 | 2461 | |
dea3101e | 2462 | if (mp) { |
2463 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2464 | kfree(mp); | |
2465 | } | |
7054a606 JS |
2466 | |
2467 | /* | |
2468 | * If a REG_LOGIN succeeded after node is destroyed or node | |
2469 | * is in re-discovery driver need to cleanup the RPI. | |
2470 | */ | |
2e0fef85 | 2471 | if (!(phba->pport->load_flag & FC_UNLOADING) && |
04c68496 JS |
2472 | pmb->u.mb.mbxCommand == MBX_REG_LOGIN64 && |
2473 | !pmb->u.mb.mbxStatus) { | |
2474 | rpi = pmb->u.mb.un.varWords[0]; | |
6d368e53 | 2475 | vpi = pmb->u.mb.un.varRegLogin.vpi; |
04c68496 | 2476 | lpfc_unreg_login(phba, vpi, rpi, pmb); |
de96e9c5 | 2477 | pmb->vport = vport; |
92d7f7b0 | 2478 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
7054a606 JS |
2479 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
2480 | if (rc != MBX_NOT_FINISHED) | |
2481 | return; | |
2482 | } | |
2483 | ||
695a814e JS |
2484 | if ((pmb->u.mb.mbxCommand == MBX_REG_VPI) && |
2485 | !(phba->pport->load_flag & FC_UNLOADING) && | |
2486 | !pmb->u.mb.mbxStatus) { | |
5af5eee7 JS |
2487 | shost = lpfc_shost_from_vport(vport); |
2488 | spin_lock_irq(shost->host_lock); | |
2489 | vport->vpi_state |= LPFC_VPI_REGISTERED; | |
2490 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; | |
2491 | spin_unlock_irq(shost->host_lock); | |
695a814e JS |
2492 | } |
2493 | ||
d439d286 | 2494 | if (pmb->u.mb.mbxCommand == MBX_REG_LOGIN64) { |
3e1f0718 | 2495 | ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp; |
d439d286 | 2496 | lpfc_nlp_put(ndlp); |
dea16bda JS |
2497 | pmb->ctx_buf = NULL; |
2498 | pmb->ctx_ndlp = NULL; | |
2499 | } | |
2500 | ||
2501 | if (pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) { | |
2502 | ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp; | |
2503 | ||
2504 | /* Check to see if there are any deferred events to process */ | |
2505 | if (ndlp) { | |
2506 | lpfc_printf_vlog( | |
2507 | vport, | |
2508 | KERN_INFO, LOG_MBOX | LOG_DISCOVERY, | |
2509 | "1438 UNREG cmpl deferred mbox x%x " | |
2510 | "on NPort x%x Data: x%x x%x %p\n", | |
2511 | ndlp->nlp_rpi, ndlp->nlp_DID, | |
2512 | ndlp->nlp_flag, ndlp->nlp_defer_did, ndlp); | |
2513 | ||
2514 | if ((ndlp->nlp_flag & NLP_UNREG_INP) && | |
2515 | (ndlp->nlp_defer_did != NLP_EVT_NOTHING_PENDING)) { | |
00292e03 | 2516 | ndlp->nlp_flag &= ~NLP_UNREG_INP; |
dea16bda JS |
2517 | ndlp->nlp_defer_did = NLP_EVT_NOTHING_PENDING; |
2518 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
00292e03 JS |
2519 | } else { |
2520 | ndlp->nlp_flag &= ~NLP_UNREG_INP; | |
dea16bda | 2521 | } |
dea16bda | 2522 | } |
3e1f0718 | 2523 | pmb->ctx_ndlp = NULL; |
d439d286 JS |
2524 | } |
2525 | ||
dcf2a4e0 JS |
2526 | /* Check security permission status on INIT_LINK mailbox command */ |
2527 | if ((pmb->u.mb.mbxCommand == MBX_INIT_LINK) && | |
2528 | (pmb->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) | |
2529 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
2530 | "2860 SLI authentication is required " | |
2531 | "for INIT_LINK but has not done yet\n"); | |
2532 | ||
04c68496 JS |
2533 | if (bf_get(lpfc_mqe_command, &pmb->u.mqe) == MBX_SLI4_CONFIG) |
2534 | lpfc_sli4_mbox_cmd_free(phba, pmb); | |
2535 | else | |
2536 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 2537 | } |
be6bb941 JS |
2538 | /** |
2539 | * lpfc_sli4_unreg_rpi_cmpl_clr - mailbox completion handler | |
2540 | * @phba: Pointer to HBA context object. | |
2541 | * @pmb: Pointer to mailbox object. | |
2542 | * | |
2543 | * This function is the unreg rpi mailbox completion handler. It | |
2544 | * frees the memory resources associated with the completed mailbox | |
2545 | * command. An additional refrenece is put on the ndlp to prevent | |
2546 | * lpfc_nlp_release from freeing the rpi bit in the bitmask before | |
2547 | * the unreg mailbox command completes, this routine puts the | |
2548 | * reference back. | |
2549 | * | |
2550 | **/ | |
2551 | void | |
2552 | lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2553 | { | |
2554 | struct lpfc_vport *vport = pmb->vport; | |
2555 | struct lpfc_nodelist *ndlp; | |
2556 | ||
3e1f0718 | 2557 | ndlp = pmb->ctx_ndlp; |
be6bb941 JS |
2558 | if (pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) { |
2559 | if (phba->sli_rev == LPFC_SLI_REV4 && | |
2560 | (bf_get(lpfc_sli_intf_if_type, | |
27d6ac0a | 2561 | &phba->sli4_hba.sli_intf) >= |
be6bb941 JS |
2562 | LPFC_SLI_INTF_IF_TYPE_2)) { |
2563 | if (ndlp) { | |
dea16bda JS |
2564 | lpfc_printf_vlog( |
2565 | vport, KERN_INFO, LOG_MBOX | LOG_SLI, | |
2566 | "0010 UNREG_LOGIN vpi:%x " | |
2567 | "rpi:%x DID:%x defer x%x flg x%x " | |
2568 | "map:%x %p\n", | |
2569 | vport->vpi, ndlp->nlp_rpi, | |
2570 | ndlp->nlp_DID, ndlp->nlp_defer_did, | |
2571 | ndlp->nlp_flag, | |
2572 | ndlp->nlp_usg_map, ndlp); | |
7c5e518c | 2573 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
be6bb941 | 2574 | lpfc_nlp_put(ndlp); |
dea16bda JS |
2575 | |
2576 | /* Check to see if there are any deferred | |
2577 | * events to process | |
2578 | */ | |
2579 | if ((ndlp->nlp_flag & NLP_UNREG_INP) && | |
2580 | (ndlp->nlp_defer_did != | |
2581 | NLP_EVT_NOTHING_PENDING)) { | |
2582 | lpfc_printf_vlog( | |
2583 | vport, KERN_INFO, LOG_DISCOVERY, | |
2584 | "4111 UNREG cmpl deferred " | |
2585 | "clr x%x on " | |
2586 | "NPort x%x Data: x%x %p\n", | |
2587 | ndlp->nlp_rpi, ndlp->nlp_DID, | |
2588 | ndlp->nlp_defer_did, ndlp); | |
00292e03 | 2589 | ndlp->nlp_flag &= ~NLP_UNREG_INP; |
dea16bda JS |
2590 | ndlp->nlp_defer_did = |
2591 | NLP_EVT_NOTHING_PENDING; | |
2592 | lpfc_issue_els_plogi( | |
2593 | vport, ndlp->nlp_DID, 0); | |
00292e03 JS |
2594 | } else { |
2595 | ndlp->nlp_flag &= ~NLP_UNREG_INP; | |
dea16bda | 2596 | } |
be6bb941 JS |
2597 | } |
2598 | } | |
2599 | } | |
2600 | ||
2601 | mempool_free(pmb, phba->mbox_mem_pool); | |
2602 | } | |
dea3101e | 2603 | |
e59058c4 | 2604 | /** |
3621a710 | 2605 | * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware |
e59058c4 JS |
2606 | * @phba: Pointer to HBA context object. |
2607 | * | |
2608 | * This function is called with no lock held. This function processes all | |
2609 | * the completed mailbox commands and gives it to upper layers. The interrupt | |
2610 | * service routine processes mailbox completion interrupt and adds completed | |
2611 | * mailbox commands to the mboxq_cmpl queue and signals the worker thread. | |
2612 | * Worker thread call lpfc_sli_handle_mb_event, which will return the | |
2613 | * completed mailbox commands in mboxq_cmpl queue to the upper layers. This | |
2614 | * function returns the mailbox commands to the upper layer by calling the | |
2615 | * completion handler function of each mailbox. | |
2616 | **/ | |
dea3101e | 2617 | int |
2e0fef85 | 2618 | lpfc_sli_handle_mb_event(struct lpfc_hba *phba) |
dea3101e | 2619 | { |
92d7f7b0 | 2620 | MAILBOX_t *pmbox; |
dea3101e | 2621 | LPFC_MBOXQ_t *pmb; |
92d7f7b0 JS |
2622 | int rc; |
2623 | LIST_HEAD(cmplq); | |
dea3101e | 2624 | |
2625 | phba->sli.slistat.mbox_event++; | |
2626 | ||
92d7f7b0 JS |
2627 | /* Get all completed mailboxe buffers into the cmplq */ |
2628 | spin_lock_irq(&phba->hbalock); | |
2629 | list_splice_init(&phba->sli.mboxq_cmpl, &cmplq); | |
2630 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 2631 | |
92d7f7b0 JS |
2632 | /* Get a Mailbox buffer to setup mailbox commands for callback */ |
2633 | do { | |
2634 | list_remove_head(&cmplq, pmb, LPFC_MBOXQ_t, list); | |
2635 | if (pmb == NULL) | |
2636 | break; | |
2e0fef85 | 2637 | |
04c68496 | 2638 | pmbox = &pmb->u.mb; |
dea3101e | 2639 | |
858c9f6c JS |
2640 | if (pmbox->mbxCommand != MBX_HEARTBEAT) { |
2641 | if (pmb->vport) { | |
2642 | lpfc_debugfs_disc_trc(pmb->vport, | |
2643 | LPFC_DISC_TRC_MBOX_VPORT, | |
2644 | "MBOX cmpl vport: cmd:x%x mb:x%x x%x", | |
2645 | (uint32_t)pmbox->mbxCommand, | |
2646 | pmbox->un.varWords[0], | |
2647 | pmbox->un.varWords[1]); | |
2648 | } | |
2649 | else { | |
2650 | lpfc_debugfs_disc_trc(phba->pport, | |
2651 | LPFC_DISC_TRC_MBOX, | |
2652 | "MBOX cmpl: cmd:x%x mb:x%x x%x", | |
2653 | (uint32_t)pmbox->mbxCommand, | |
2654 | pmbox->un.varWords[0], | |
2655 | pmbox->un.varWords[1]); | |
2656 | } | |
2657 | } | |
2658 | ||
dea3101e | 2659 | /* |
2660 | * It is a fatal error if unknown mbox command completion. | |
2661 | */ | |
2662 | if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) == | |
2663 | MBX_SHUTDOWN) { | |
af901ca1 | 2664 | /* Unknown mailbox command compl */ |
92d7f7b0 | 2665 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
e8b62011 | 2666 | "(%d):0323 Unknown Mailbox command " |
a183a15f | 2667 | "x%x (x%x/x%x) Cmpl\n", |
92d7f7b0 | 2668 | pmb->vport ? pmb->vport->vpi : 0, |
04c68496 | 2669 | pmbox->mbxCommand, |
a183a15f JS |
2670 | lpfc_sli_config_mbox_subsys_get(phba, |
2671 | pmb), | |
2672 | lpfc_sli_config_mbox_opcode_get(phba, | |
2673 | pmb)); | |
2e0fef85 | 2674 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2675 | phba->work_hs = HS_FFER3; |
2676 | lpfc_handle_eratt(phba); | |
92d7f7b0 | 2677 | continue; |
dea3101e | 2678 | } |
2679 | ||
dea3101e | 2680 | if (pmbox->mbxStatus) { |
2681 | phba->sli.slistat.mbox_stat_err++; | |
2682 | if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { | |
2683 | /* Mbox cmd cmpl error - RETRYing */ | |
92d7f7b0 | 2684 | lpfc_printf_log(phba, KERN_INFO, |
a183a15f JS |
2685 | LOG_MBOX | LOG_SLI, |
2686 | "(%d):0305 Mbox cmd cmpl " | |
2687 | "error - RETRYing Data: x%x " | |
2688 | "(x%x/x%x) x%x x%x x%x\n", | |
2689 | pmb->vport ? pmb->vport->vpi : 0, | |
2690 | pmbox->mbxCommand, | |
2691 | lpfc_sli_config_mbox_subsys_get(phba, | |
2692 | pmb), | |
2693 | lpfc_sli_config_mbox_opcode_get(phba, | |
2694 | pmb), | |
2695 | pmbox->mbxStatus, | |
2696 | pmbox->un.varWords[0], | |
2697 | pmb->vport->port_state); | |
dea3101e | 2698 | pmbox->mbxStatus = 0; |
2699 | pmbox->mbxOwner = OWN_HOST; | |
dea3101e | 2700 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
04c68496 | 2701 | if (rc != MBX_NOT_FINISHED) |
92d7f7b0 | 2702 | continue; |
dea3101e | 2703 | } |
2704 | } | |
2705 | ||
2706 | /* Mailbox cmd <cmd> Cmpl <cmpl> */ | |
92d7f7b0 | 2707 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
a183a15f | 2708 | "(%d):0307 Mailbox cmd x%x (x%x/x%x) Cmpl x%p " |
e74c03c8 JS |
2709 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x " |
2710 | "x%x x%x x%x\n", | |
92d7f7b0 | 2711 | pmb->vport ? pmb->vport->vpi : 0, |
dea3101e | 2712 | pmbox->mbxCommand, |
a183a15f JS |
2713 | lpfc_sli_config_mbox_subsys_get(phba, pmb), |
2714 | lpfc_sli_config_mbox_opcode_get(phba, pmb), | |
dea3101e | 2715 | pmb->mbox_cmpl, |
2716 | *((uint32_t *) pmbox), | |
2717 | pmbox->un.varWords[0], | |
2718 | pmbox->un.varWords[1], | |
2719 | pmbox->un.varWords[2], | |
2720 | pmbox->un.varWords[3], | |
2721 | pmbox->un.varWords[4], | |
2722 | pmbox->un.varWords[5], | |
2723 | pmbox->un.varWords[6], | |
e74c03c8 JS |
2724 | pmbox->un.varWords[7], |
2725 | pmbox->un.varWords[8], | |
2726 | pmbox->un.varWords[9], | |
2727 | pmbox->un.varWords[10]); | |
dea3101e | 2728 | |
92d7f7b0 | 2729 | if (pmb->mbox_cmpl) |
dea3101e | 2730 | pmb->mbox_cmpl(phba,pmb); |
92d7f7b0 JS |
2731 | } while (1); |
2732 | return 0; | |
2733 | } | |
dea3101e | 2734 | |
e59058c4 | 2735 | /** |
3621a710 | 2736 | * lpfc_sli_get_buff - Get the buffer associated with the buffer tag |
e59058c4 JS |
2737 | * @phba: Pointer to HBA context object. |
2738 | * @pring: Pointer to driver SLI ring object. | |
2739 | * @tag: buffer tag. | |
2740 | * | |
2741 | * This function is called with no lock held. When QUE_BUFTAG_BIT bit | |
2742 | * is set in the tag the buffer is posted for a particular exchange, | |
2743 | * the function will return the buffer without replacing the buffer. | |
2744 | * If the buffer is for unsolicited ELS or CT traffic, this function | |
2745 | * returns the buffer and also posts another buffer to the firmware. | |
2746 | **/ | |
76bb24ef JS |
2747 | static struct lpfc_dmabuf * |
2748 | lpfc_sli_get_buff(struct lpfc_hba *phba, | |
9f1e1b50 JS |
2749 | struct lpfc_sli_ring *pring, |
2750 | uint32_t tag) | |
76bb24ef | 2751 | { |
9f1e1b50 JS |
2752 | struct hbq_dmabuf *hbq_entry; |
2753 | ||
76bb24ef JS |
2754 | if (tag & QUE_BUFTAG_BIT) |
2755 | return lpfc_sli_ring_taggedbuf_get(phba, pring, tag); | |
9f1e1b50 JS |
2756 | hbq_entry = lpfc_sli_hbqbuf_find(phba, tag); |
2757 | if (!hbq_entry) | |
2758 | return NULL; | |
2759 | return &hbq_entry->dbuf; | |
76bb24ef | 2760 | } |
57127f15 | 2761 | |
3772a991 JS |
2762 | /** |
2763 | * lpfc_complete_unsol_iocb - Complete an unsolicited sequence | |
2764 | * @phba: Pointer to HBA context object. | |
2765 | * @pring: Pointer to driver SLI ring object. | |
2766 | * @saveq: Pointer to the iocbq struct representing the sequence starting frame. | |
2767 | * @fch_r_ctl: the r_ctl for the first frame of the sequence. | |
2768 | * @fch_type: the type for the first frame of the sequence. | |
2769 | * | |
2770 | * This function is called with no lock held. This function uses the r_ctl and | |
2771 | * type of the received sequence to find the correct callback function to call | |
2772 | * to process the sequence. | |
2773 | **/ | |
2774 | static int | |
2775 | lpfc_complete_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2776 | struct lpfc_iocbq *saveq, uint32_t fch_r_ctl, | |
2777 | uint32_t fch_type) | |
2778 | { | |
2779 | int i; | |
2780 | ||
f358dd0c JS |
2781 | switch (fch_type) { |
2782 | case FC_TYPE_NVME: | |
d613b6a7 | 2783 | lpfc_nvmet_unsol_ls_event(phba, pring, saveq); |
f358dd0c JS |
2784 | return 1; |
2785 | default: | |
2786 | break; | |
2787 | } | |
2788 | ||
3772a991 JS |
2789 | /* unSolicited Responses */ |
2790 | if (pring->prt[0].profile) { | |
2791 | if (pring->prt[0].lpfc_sli_rcv_unsol_event) | |
2792 | (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, | |
2793 | saveq); | |
2794 | return 1; | |
2795 | } | |
2796 | /* We must search, based on rctl / type | |
2797 | for the right routine */ | |
2798 | for (i = 0; i < pring->num_mask; i++) { | |
2799 | if ((pring->prt[i].rctl == fch_r_ctl) && | |
2800 | (pring->prt[i].type == fch_type)) { | |
2801 | if (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
2802 | (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
2803 | (phba, pring, saveq); | |
2804 | return 1; | |
2805 | } | |
2806 | } | |
2807 | return 0; | |
2808 | } | |
e59058c4 JS |
2809 | |
2810 | /** | |
3621a710 | 2811 | * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler |
e59058c4 JS |
2812 | * @phba: Pointer to HBA context object. |
2813 | * @pring: Pointer to driver SLI ring object. | |
2814 | * @saveq: Pointer to the unsolicited iocb. | |
2815 | * | |
2816 | * This function is called with no lock held by the ring event handler | |
2817 | * when there is an unsolicited iocb posted to the response ring by the | |
2818 | * firmware. This function gets the buffer associated with the iocbs | |
2819 | * and calls the event handler for the ring. This function handles both | |
2820 | * qring buffers and hbq buffers. | |
2821 | * When the function returns 1 the caller can free the iocb object otherwise | |
2822 | * upper layer functions will free the iocb objects. | |
2823 | **/ | |
dea3101e | 2824 | static int |
2825 | lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2826 | struct lpfc_iocbq *saveq) | |
2827 | { | |
2828 | IOCB_t * irsp; | |
2829 | WORD5 * w5p; | |
2830 | uint32_t Rctl, Type; | |
76bb24ef | 2831 | struct lpfc_iocbq *iocbq; |
3163f725 | 2832 | struct lpfc_dmabuf *dmzbuf; |
dea3101e | 2833 | |
dea3101e | 2834 | irsp = &(saveq->iocb); |
57127f15 JS |
2835 | |
2836 | if (irsp->ulpCommand == CMD_ASYNC_STATUS) { | |
2837 | if (pring->lpfc_sli_rcv_async_status) | |
2838 | pring->lpfc_sli_rcv_async_status(phba, pring, saveq); | |
2839 | else | |
2840 | lpfc_printf_log(phba, | |
2841 | KERN_WARNING, | |
2842 | LOG_SLI, | |
2843 | "0316 Ring %d handler: unexpected " | |
2844 | "ASYNC_STATUS iocb received evt_code " | |
2845 | "0x%x\n", | |
2846 | pring->ringno, | |
2847 | irsp->un.asyncstat.evt_code); | |
2848 | return 1; | |
2849 | } | |
2850 | ||
3163f725 JS |
2851 | if ((irsp->ulpCommand == CMD_IOCB_RET_XRI64_CX) && |
2852 | (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) { | |
2853 | if (irsp->ulpBdeCount > 0) { | |
2854 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2855 | irsp->un.ulpWord[3]); | |
2856 | lpfc_in_buf_free(phba, dmzbuf); | |
2857 | } | |
2858 | ||
2859 | if (irsp->ulpBdeCount > 1) { | |
2860 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2861 | irsp->unsli3.sli3Words[3]); | |
2862 | lpfc_in_buf_free(phba, dmzbuf); | |
2863 | } | |
2864 | ||
2865 | if (irsp->ulpBdeCount > 2) { | |
2866 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2867 | irsp->unsli3.sli3Words[7]); | |
2868 | lpfc_in_buf_free(phba, dmzbuf); | |
2869 | } | |
2870 | ||
2871 | return 1; | |
2872 | } | |
2873 | ||
92d7f7b0 | 2874 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
76bb24ef JS |
2875 | if (irsp->ulpBdeCount != 0) { |
2876 | saveq->context2 = lpfc_sli_get_buff(phba, pring, | |
2877 | irsp->un.ulpWord[3]); | |
2878 | if (!saveq->context2) | |
2879 | lpfc_printf_log(phba, | |
2880 | KERN_ERR, | |
2881 | LOG_SLI, | |
2882 | "0341 Ring %d Cannot find buffer for " | |
2883 | "an unsolicited iocb. tag 0x%x\n", | |
2884 | pring->ringno, | |
2885 | irsp->un.ulpWord[3]); | |
76bb24ef JS |
2886 | } |
2887 | if (irsp->ulpBdeCount == 2) { | |
2888 | saveq->context3 = lpfc_sli_get_buff(phba, pring, | |
2889 | irsp->unsli3.sli3Words[7]); | |
2890 | if (!saveq->context3) | |
2891 | lpfc_printf_log(phba, | |
2892 | KERN_ERR, | |
2893 | LOG_SLI, | |
2894 | "0342 Ring %d Cannot find buffer for an" | |
2895 | " unsolicited iocb. tag 0x%x\n", | |
2896 | pring->ringno, | |
2897 | irsp->unsli3.sli3Words[7]); | |
2898 | } | |
2899 | list_for_each_entry(iocbq, &saveq->list, list) { | |
76bb24ef | 2900 | irsp = &(iocbq->iocb); |
76bb24ef JS |
2901 | if (irsp->ulpBdeCount != 0) { |
2902 | iocbq->context2 = lpfc_sli_get_buff(phba, pring, | |
2903 | irsp->un.ulpWord[3]); | |
9c2face6 | 2904 | if (!iocbq->context2) |
76bb24ef JS |
2905 | lpfc_printf_log(phba, |
2906 | KERN_ERR, | |
2907 | LOG_SLI, | |
2908 | "0343 Ring %d Cannot find " | |
2909 | "buffer for an unsolicited iocb" | |
2910 | ". tag 0x%x\n", pring->ringno, | |
92d7f7b0 | 2911 | irsp->un.ulpWord[3]); |
76bb24ef JS |
2912 | } |
2913 | if (irsp->ulpBdeCount == 2) { | |
2914 | iocbq->context3 = lpfc_sli_get_buff(phba, pring, | |
51ef4c26 | 2915 | irsp->unsli3.sli3Words[7]); |
9c2face6 | 2916 | if (!iocbq->context3) |
76bb24ef JS |
2917 | lpfc_printf_log(phba, |
2918 | KERN_ERR, | |
2919 | LOG_SLI, | |
2920 | "0344 Ring %d Cannot find " | |
2921 | "buffer for an unsolicited " | |
2922 | "iocb. tag 0x%x\n", | |
2923 | pring->ringno, | |
2924 | irsp->unsli3.sli3Words[7]); | |
2925 | } | |
2926 | } | |
92d7f7b0 | 2927 | } |
9c2face6 JS |
2928 | if (irsp->ulpBdeCount != 0 && |
2929 | (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX || | |
2930 | irsp->ulpStatus == IOSTAT_INTERMED_RSP)) { | |
2931 | int found = 0; | |
2932 | ||
2933 | /* search continue save q for same XRI */ | |
2934 | list_for_each_entry(iocbq, &pring->iocb_continue_saveq, clist) { | |
7851fe2c JS |
2935 | if (iocbq->iocb.unsli3.rcvsli3.ox_id == |
2936 | saveq->iocb.unsli3.rcvsli3.ox_id) { | |
9c2face6 JS |
2937 | list_add_tail(&saveq->list, &iocbq->list); |
2938 | found = 1; | |
2939 | break; | |
2940 | } | |
2941 | } | |
2942 | if (!found) | |
2943 | list_add_tail(&saveq->clist, | |
2944 | &pring->iocb_continue_saveq); | |
2945 | if (saveq->iocb.ulpStatus != IOSTAT_INTERMED_RSP) { | |
2946 | list_del_init(&iocbq->clist); | |
2947 | saveq = iocbq; | |
2948 | irsp = &(saveq->iocb); | |
2949 | } else | |
2950 | return 0; | |
2951 | } | |
2952 | if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) || | |
2953 | (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) || | |
2954 | (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX)) { | |
6a9c52cf JS |
2955 | Rctl = FC_RCTL_ELS_REQ; |
2956 | Type = FC_TYPE_ELS; | |
9c2face6 JS |
2957 | } else { |
2958 | w5p = (WORD5 *)&(saveq->iocb.un.ulpWord[5]); | |
2959 | Rctl = w5p->hcsw.Rctl; | |
2960 | Type = w5p->hcsw.Type; | |
2961 | ||
2962 | /* Firmware Workaround */ | |
2963 | if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && | |
2964 | (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX || | |
2965 | irsp->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { | |
6a9c52cf JS |
2966 | Rctl = FC_RCTL_ELS_REQ; |
2967 | Type = FC_TYPE_ELS; | |
9c2face6 JS |
2968 | w5p->hcsw.Rctl = Rctl; |
2969 | w5p->hcsw.Type = Type; | |
2970 | } | |
2971 | } | |
92d7f7b0 | 2972 | |
3772a991 | 2973 | if (!lpfc_complete_unsol_iocb(phba, pring, saveq, Rctl, Type)) |
92d7f7b0 | 2974 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 | 2975 | "0313 Ring %d handler: unexpected Rctl x%x " |
92d7f7b0 | 2976 | "Type x%x received\n", |
e8b62011 | 2977 | pring->ringno, Rctl, Type); |
3772a991 | 2978 | |
92d7f7b0 | 2979 | return 1; |
dea3101e | 2980 | } |
2981 | ||
e59058c4 | 2982 | /** |
3621a710 | 2983 | * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb |
e59058c4 JS |
2984 | * @phba: Pointer to HBA context object. |
2985 | * @pring: Pointer to driver SLI ring object. | |
2986 | * @prspiocb: Pointer to response iocb object. | |
2987 | * | |
2988 | * This function looks up the iocb_lookup table to get the command iocb | |
2989 | * corresponding to the given response iocb using the iotag of the | |
341b2aa8 DK |
2990 | * response iocb. This function is called with the hbalock held |
2991 | * for sli3 devices or the ring_lock for sli4 devices. | |
e59058c4 JS |
2992 | * This function returns the command iocb object if it finds the command |
2993 | * iocb else returns NULL. | |
2994 | **/ | |
dea3101e | 2995 | static struct lpfc_iocbq * |
2e0fef85 JS |
2996 | lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, |
2997 | struct lpfc_sli_ring *pring, | |
2998 | struct lpfc_iocbq *prspiocb) | |
dea3101e | 2999 | { |
dea3101e | 3000 | struct lpfc_iocbq *cmd_iocb = NULL; |
3001 | uint16_t iotag; | |
1c2ba475 | 3002 | lockdep_assert_held(&phba->hbalock); |
dea3101e | 3003 | |
604a3e30 JB |
3004 | iotag = prspiocb->iocb.ulpIoTag; |
3005 | ||
3006 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { | |
3007 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
4f2e66c6 | 3008 | if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { |
89533e9b JS |
3009 | /* remove from txcmpl queue list */ |
3010 | list_del_init(&cmd_iocb->list); | |
4f2e66c6 | 3011 | cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; |
c490850a | 3012 | pring->txcmplq_cnt--; |
89533e9b | 3013 | return cmd_iocb; |
2a9bf3d0 | 3014 | } |
dea3101e | 3015 | } |
3016 | ||
dea3101e | 3017 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
89533e9b | 3018 | "0317 iotag x%x is out of " |
604a3e30 | 3019 | "range: max iotag x%x wd0 x%x\n", |
e8b62011 | 3020 | iotag, phba->sli.last_iotag, |
604a3e30 | 3021 | *(((uint32_t *) &prspiocb->iocb) + 7)); |
dea3101e | 3022 | return NULL; |
3023 | } | |
3024 | ||
3772a991 JS |
3025 | /** |
3026 | * lpfc_sli_iocbq_lookup_by_tag - Find command iocb for the iotag | |
3027 | * @phba: Pointer to HBA context object. | |
3028 | * @pring: Pointer to driver SLI ring object. | |
3029 | * @iotag: IOCB tag. | |
3030 | * | |
3031 | * This function looks up the iocb_lookup table to get the command iocb | |
3032 | * corresponding to the given iotag. This function is called with the | |
3033 | * hbalock held. | |
3034 | * This function returns the command iocb object if it finds the command | |
3035 | * iocb else returns NULL. | |
3036 | **/ | |
3037 | static struct lpfc_iocbq * | |
3038 | lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba *phba, | |
3039 | struct lpfc_sli_ring *pring, uint16_t iotag) | |
3040 | { | |
895427bd | 3041 | struct lpfc_iocbq *cmd_iocb = NULL; |
3772a991 | 3042 | |
1c2ba475 | 3043 | lockdep_assert_held(&phba->hbalock); |
3772a991 JS |
3044 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { |
3045 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
4f2e66c6 JS |
3046 | if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { |
3047 | /* remove from txcmpl queue list */ | |
3048 | list_del_init(&cmd_iocb->list); | |
3049 | cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; | |
c490850a | 3050 | pring->txcmplq_cnt--; |
4f2e66c6 | 3051 | return cmd_iocb; |
2a9bf3d0 | 3052 | } |
3772a991 | 3053 | } |
89533e9b | 3054 | |
3772a991 | 3055 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
895427bd JS |
3056 | "0372 iotag x%x lookup error: max iotag (x%x) " |
3057 | "iocb_flag x%x\n", | |
3058 | iotag, phba->sli.last_iotag, | |
3059 | cmd_iocb ? cmd_iocb->iocb_flag : 0xffff); | |
3772a991 JS |
3060 | return NULL; |
3061 | } | |
3062 | ||
e59058c4 | 3063 | /** |
3621a710 | 3064 | * lpfc_sli_process_sol_iocb - process solicited iocb completion |
e59058c4 JS |
3065 | * @phba: Pointer to HBA context object. |
3066 | * @pring: Pointer to driver SLI ring object. | |
3067 | * @saveq: Pointer to the response iocb to be processed. | |
3068 | * | |
3069 | * This function is called by the ring event handler for non-fcp | |
3070 | * rings when there is a new response iocb in the response ring. | |
3071 | * The caller is not required to hold any locks. This function | |
3072 | * gets the command iocb associated with the response iocb and | |
3073 | * calls the completion handler for the command iocb. If there | |
3074 | * is no completion handler, the function will free the resources | |
3075 | * associated with command iocb. If the response iocb is for | |
3076 | * an already aborted command iocb, the status of the completion | |
3077 | * is changed to IOSTAT_LOCAL_REJECT/IOERR_SLI_ABORTED. | |
3078 | * This function always returns 1. | |
3079 | **/ | |
dea3101e | 3080 | static int |
2e0fef85 | 3081 | lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
dea3101e | 3082 | struct lpfc_iocbq *saveq) |
3083 | { | |
2e0fef85 | 3084 | struct lpfc_iocbq *cmdiocbp; |
dea3101e | 3085 | int rc = 1; |
3086 | unsigned long iflag; | |
3087 | ||
3088 | /* Based on the iotag field, get the cmd IOCB from the txcmplq */ | |
341b2aa8 DK |
3089 | if (phba->sli_rev == LPFC_SLI_REV4) |
3090 | spin_lock_irqsave(&pring->ring_lock, iflag); | |
3091 | else | |
3092 | spin_lock_irqsave(&phba->hbalock, iflag); | |
604a3e30 | 3093 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); |
341b2aa8 DK |
3094 | if (phba->sli_rev == LPFC_SLI_REV4) |
3095 | spin_unlock_irqrestore(&pring->ring_lock, iflag); | |
3096 | else | |
3097 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
2e0fef85 | 3098 | |
dea3101e | 3099 | if (cmdiocbp) { |
3100 | if (cmdiocbp->iocb_cmpl) { | |
ea2151b4 JS |
3101 | /* |
3102 | * If an ELS command failed send an event to mgmt | |
3103 | * application. | |
3104 | */ | |
3105 | if (saveq->iocb.ulpStatus && | |
3106 | (pring->ringno == LPFC_ELS_RING) && | |
3107 | (cmdiocbp->iocb.ulpCommand == | |
3108 | CMD_ELS_REQUEST64_CR)) | |
3109 | lpfc_send_els_failure_event(phba, | |
3110 | cmdiocbp, saveq); | |
3111 | ||
dea3101e | 3112 | /* |
3113 | * Post all ELS completions to the worker thread. | |
3114 | * All other are passed to the completion callback. | |
3115 | */ | |
3116 | if (pring->ringno == LPFC_ELS_RING) { | |
341af102 JS |
3117 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
3118 | (cmdiocbp->iocb_flag & | |
3119 | LPFC_DRIVER_ABORTED)) { | |
3120 | spin_lock_irqsave(&phba->hbalock, | |
3121 | iflag); | |
07951076 JS |
3122 | cmdiocbp->iocb_flag &= |
3123 | ~LPFC_DRIVER_ABORTED; | |
341af102 JS |
3124 | spin_unlock_irqrestore(&phba->hbalock, |
3125 | iflag); | |
07951076 JS |
3126 | saveq->iocb.ulpStatus = |
3127 | IOSTAT_LOCAL_REJECT; | |
3128 | saveq->iocb.un.ulpWord[4] = | |
3129 | IOERR_SLI_ABORTED; | |
0ff10d46 JS |
3130 | |
3131 | /* Firmware could still be in progress | |
3132 | * of DMAing payload, so don't free data | |
3133 | * buffer till after a hbeat. | |
3134 | */ | |
341af102 JS |
3135 | spin_lock_irqsave(&phba->hbalock, |
3136 | iflag); | |
0ff10d46 | 3137 | saveq->iocb_flag |= LPFC_DELAY_MEM_FREE; |
341af102 JS |
3138 | spin_unlock_irqrestore(&phba->hbalock, |
3139 | iflag); | |
3140 | } | |
0f65ff68 JS |
3141 | if (phba->sli_rev == LPFC_SLI_REV4) { |
3142 | if (saveq->iocb_flag & | |
3143 | LPFC_EXCHANGE_BUSY) { | |
3144 | /* Set cmdiocb flag for the | |
3145 | * exchange busy so sgl (xri) | |
3146 | * will not be released until | |
3147 | * the abort xri is received | |
3148 | * from hba. | |
3149 | */ | |
3150 | spin_lock_irqsave( | |
3151 | &phba->hbalock, iflag); | |
3152 | cmdiocbp->iocb_flag |= | |
3153 | LPFC_EXCHANGE_BUSY; | |
3154 | spin_unlock_irqrestore( | |
3155 | &phba->hbalock, iflag); | |
3156 | } | |
3157 | if (cmdiocbp->iocb_flag & | |
3158 | LPFC_DRIVER_ABORTED) { | |
3159 | /* | |
3160 | * Clear LPFC_DRIVER_ABORTED | |
3161 | * bit in case it was driver | |
3162 | * initiated abort. | |
3163 | */ | |
3164 | spin_lock_irqsave( | |
3165 | &phba->hbalock, iflag); | |
3166 | cmdiocbp->iocb_flag &= | |
3167 | ~LPFC_DRIVER_ABORTED; | |
3168 | spin_unlock_irqrestore( | |
3169 | &phba->hbalock, iflag); | |
3170 | cmdiocbp->iocb.ulpStatus = | |
3171 | IOSTAT_LOCAL_REJECT; | |
3172 | cmdiocbp->iocb.un.ulpWord[4] = | |
3173 | IOERR_ABORT_REQUESTED; | |
3174 | /* | |
3175 | * For SLI4, irsiocb contains | |
3176 | * NO_XRI in sli_xritag, it | |
3177 | * shall not affect releasing | |
3178 | * sgl (xri) process. | |
3179 | */ | |
3180 | saveq->iocb.ulpStatus = | |
3181 | IOSTAT_LOCAL_REJECT; | |
3182 | saveq->iocb.un.ulpWord[4] = | |
3183 | IOERR_SLI_ABORTED; | |
3184 | spin_lock_irqsave( | |
3185 | &phba->hbalock, iflag); | |
3186 | saveq->iocb_flag |= | |
3187 | LPFC_DELAY_MEM_FREE; | |
3188 | spin_unlock_irqrestore( | |
3189 | &phba->hbalock, iflag); | |
3190 | } | |
07951076 | 3191 | } |
dea3101e | 3192 | } |
2e0fef85 | 3193 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); |
604a3e30 JB |
3194 | } else |
3195 | lpfc_sli_release_iocbq(phba, cmdiocbp); | |
dea3101e | 3196 | } else { |
3197 | /* | |
3198 | * Unknown initiating command based on the response iotag. | |
3199 | * This could be the case on the ELS ring because of | |
3200 | * lpfc_els_abort(). | |
3201 | */ | |
3202 | if (pring->ringno != LPFC_ELS_RING) { | |
3203 | /* | |
3204 | * Ring <ringno> handler: unexpected completion IoTag | |
3205 | * <IoTag> | |
3206 | */ | |
a257bf90 | 3207 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 JS |
3208 | "0322 Ring %d handler: " |
3209 | "unexpected completion IoTag x%x " | |
3210 | "Data: x%x x%x x%x x%x\n", | |
3211 | pring->ringno, | |
3212 | saveq->iocb.ulpIoTag, | |
3213 | saveq->iocb.ulpStatus, | |
3214 | saveq->iocb.un.ulpWord[4], | |
3215 | saveq->iocb.ulpCommand, | |
3216 | saveq->iocb.ulpContext); | |
dea3101e | 3217 | } |
3218 | } | |
68876920 | 3219 | |
dea3101e | 3220 | return rc; |
3221 | } | |
3222 | ||
e59058c4 | 3223 | /** |
3621a710 | 3224 | * lpfc_sli_rsp_pointers_error - Response ring pointer error handler |
e59058c4 JS |
3225 | * @phba: Pointer to HBA context object. |
3226 | * @pring: Pointer to driver SLI ring object. | |
3227 | * | |
3228 | * This function is called from the iocb ring event handlers when | |
3229 | * put pointer is ahead of the get pointer for a ring. This function signal | |
3230 | * an error attention condition to the worker thread and the worker | |
3231 | * thread will transition the HBA to offline state. | |
3232 | **/ | |
2e0fef85 JS |
3233 | static void |
3234 | lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
875fbdfe | 3235 | { |
34b02dcd | 3236 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
875fbdfe | 3237 | /* |
025dfdaf | 3238 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger than |
875fbdfe JSEC |
3239 | * rsp ring <portRspMax> |
3240 | */ | |
3241 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 3242 | "0312 Ring %d handler: portRspPut %d " |
025dfdaf | 3243 | "is bigger than rsp ring %d\n", |
e8b62011 | 3244 | pring->ringno, le32_to_cpu(pgp->rspPutInx), |
7e56aa25 | 3245 | pring->sli.sli3.numRiocb); |
875fbdfe | 3246 | |
2e0fef85 | 3247 | phba->link_state = LPFC_HBA_ERROR; |
875fbdfe JSEC |
3248 | |
3249 | /* | |
3250 | * All error attention handlers are posted to | |
3251 | * worker thread | |
3252 | */ | |
3253 | phba->work_ha |= HA_ERATT; | |
3254 | phba->work_hs = HS_FFER3; | |
92d7f7b0 | 3255 | |
5e9d9b82 | 3256 | lpfc_worker_wake_up(phba); |
875fbdfe JSEC |
3257 | |
3258 | return; | |
3259 | } | |
3260 | ||
9399627f | 3261 | /** |
3621a710 | 3262 | * lpfc_poll_eratt - Error attention polling timer timeout handler |
9399627f JS |
3263 | * @ptr: Pointer to address of HBA context object. |
3264 | * | |
3265 | * This function is invoked by the Error Attention polling timer when the | |
3266 | * timer times out. It will check the SLI Error Attention register for | |
3267 | * possible attention events. If so, it will post an Error Attention event | |
3268 | * and wake up worker thread to process it. Otherwise, it will set up the | |
3269 | * Error Attention polling timer for the next poll. | |
3270 | **/ | |
f22eb4d3 | 3271 | void lpfc_poll_eratt(struct timer_list *t) |
9399627f JS |
3272 | { |
3273 | struct lpfc_hba *phba; | |
eb016566 | 3274 | uint32_t eratt = 0; |
aa6fbb75 | 3275 | uint64_t sli_intr, cnt; |
9399627f | 3276 | |
f22eb4d3 | 3277 | phba = from_timer(phba, t, eratt_poll); |
9399627f | 3278 | |
aa6fbb75 JS |
3279 | /* Here we will also keep track of interrupts per sec of the hba */ |
3280 | sli_intr = phba->sli.slistat.sli_intr; | |
3281 | ||
3282 | if (phba->sli.slistat.sli_prev_intr > sli_intr) | |
3283 | cnt = (((uint64_t)(-1) - phba->sli.slistat.sli_prev_intr) + | |
3284 | sli_intr); | |
3285 | else | |
3286 | cnt = (sli_intr - phba->sli.slistat.sli_prev_intr); | |
3287 | ||
65791f1f JS |
3288 | /* 64-bit integer division not supported on 32-bit x86 - use do_div */ |
3289 | do_div(cnt, phba->eratt_poll_interval); | |
aa6fbb75 JS |
3290 | phba->sli.slistat.sli_ips = cnt; |
3291 | ||
3292 | phba->sli.slistat.sli_prev_intr = sli_intr; | |
3293 | ||
9399627f JS |
3294 | /* Check chip HA register for error event */ |
3295 | eratt = lpfc_sli_check_eratt(phba); | |
3296 | ||
3297 | if (eratt) | |
3298 | /* Tell the worker thread there is work to do */ | |
3299 | lpfc_worker_wake_up(phba); | |
3300 | else | |
3301 | /* Restart the timer for next eratt poll */ | |
256ec0d0 JS |
3302 | mod_timer(&phba->eratt_poll, |
3303 | jiffies + | |
65791f1f | 3304 | msecs_to_jiffies(1000 * phba->eratt_poll_interval)); |
9399627f JS |
3305 | return; |
3306 | } | |
3307 | ||
875fbdfe | 3308 | |
e59058c4 | 3309 | /** |
3621a710 | 3310 | * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring |
e59058c4 JS |
3311 | * @phba: Pointer to HBA context object. |
3312 | * @pring: Pointer to driver SLI ring object. | |
3313 | * @mask: Host attention register mask for this ring. | |
3314 | * | |
3315 | * This function is called from the interrupt context when there is a ring | |
3316 | * event for the fcp ring. The caller does not hold any lock. | |
3317 | * The function processes each response iocb in the response ring until it | |
25985edc | 3318 | * finds an iocb with LE bit set and chains all the iocbs up to the iocb with |
e59058c4 JS |
3319 | * LE bit set. The function will call the completion handler of the command iocb |
3320 | * if the response iocb indicates a completion for a command iocb or it is | |
3321 | * an abort completion. The function will call lpfc_sli_process_unsol_iocb | |
3322 | * function if this is an unsolicited iocb. | |
dea3101e | 3323 | * This routine presumes LPFC_FCP_RING handling and doesn't bother |
45ed1190 JS |
3324 | * to check it explicitly. |
3325 | */ | |
3326 | int | |
2e0fef85 JS |
3327 | lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, |
3328 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 3329 | { |
34b02dcd | 3330 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
dea3101e | 3331 | IOCB_t *irsp = NULL; |
87f6eaff | 3332 | IOCB_t *entry = NULL; |
dea3101e | 3333 | struct lpfc_iocbq *cmdiocbq = NULL; |
3334 | struct lpfc_iocbq rspiocbq; | |
dea3101e | 3335 | uint32_t status; |
3336 | uint32_t portRspPut, portRspMax; | |
3337 | int rc = 1; | |
3338 | lpfc_iocb_type type; | |
3339 | unsigned long iflag; | |
3340 | uint32_t rsp_cmpl = 0; | |
dea3101e | 3341 | |
2e0fef85 | 3342 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 3343 | pring->stats.iocb_event++; |
3344 | ||
dea3101e | 3345 | /* |
3346 | * The next available response entry should never exceed the maximum | |
3347 | * entries. If it does, treat it as an adapter hardware error. | |
3348 | */ | |
7e56aa25 | 3349 | portRspMax = pring->sli.sli3.numRiocb; |
dea3101e | 3350 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3351 | if (unlikely(portRspPut >= portRspMax)) { | |
875fbdfe | 3352 | lpfc_sli_rsp_pointers_error(phba, pring); |
2e0fef85 | 3353 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e | 3354 | return 1; |
3355 | } | |
45ed1190 JS |
3356 | if (phba->fcp_ring_in_use) { |
3357 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3358 | return 1; | |
3359 | } else | |
3360 | phba->fcp_ring_in_use = 1; | |
dea3101e | 3361 | |
3362 | rmb(); | |
7e56aa25 | 3363 | while (pring->sli.sli3.rspidx != portRspPut) { |
87f6eaff JSEC |
3364 | /* |
3365 | * Fetch an entry off the ring and copy it into a local data | |
3366 | * structure. The copy involves a byte-swap since the | |
3367 | * network byte order and pci byte orders are different. | |
3368 | */ | |
ed957684 | 3369 | entry = lpfc_resp_iocb(phba, pring); |
858c9f6c | 3370 | phba->last_completion_time = jiffies; |
875fbdfe | 3371 | |
7e56aa25 JS |
3372 | if (++pring->sli.sli3.rspidx >= portRspMax) |
3373 | pring->sli.sli3.rspidx = 0; | |
875fbdfe | 3374 | |
87f6eaff JSEC |
3375 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
3376 | (uint32_t *) &rspiocbq.iocb, | |
ed957684 | 3377 | phba->iocb_rsp_size); |
a4bc3379 | 3378 | INIT_LIST_HEAD(&(rspiocbq.list)); |
87f6eaff JSEC |
3379 | irsp = &rspiocbq.iocb; |
3380 | ||
dea3101e | 3381 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
3382 | pring->stats.iocb_rsp++; | |
3383 | rsp_cmpl++; | |
3384 | ||
3385 | if (unlikely(irsp->ulpStatus)) { | |
92d7f7b0 JS |
3386 | /* |
3387 | * If resource errors reported from HBA, reduce | |
3388 | * queuedepths of the SCSI device. | |
3389 | */ | |
3390 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
e3d2b802 JS |
3391 | ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == |
3392 | IOERR_NO_RESOURCES)) { | |
92d7f7b0 | 3393 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3772a991 | 3394 | phba->lpfc_rampdown_queue_depth(phba); |
92d7f7b0 JS |
3395 | spin_lock_irqsave(&phba->hbalock, iflag); |
3396 | } | |
3397 | ||
dea3101e | 3398 | /* Rsp ring <ringno> error: IOCB */ |
3399 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
e8b62011 | 3400 | "0336 Rsp Ring %d error: IOCB Data: " |
92d7f7b0 | 3401 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
e8b62011 | 3402 | pring->ringno, |
92d7f7b0 JS |
3403 | irsp->un.ulpWord[0], |
3404 | irsp->un.ulpWord[1], | |
3405 | irsp->un.ulpWord[2], | |
3406 | irsp->un.ulpWord[3], | |
3407 | irsp->un.ulpWord[4], | |
3408 | irsp->un.ulpWord[5], | |
d7c255b2 JS |
3409 | *(uint32_t *)&irsp->un1, |
3410 | *((uint32_t *)&irsp->un1 + 1)); | |
dea3101e | 3411 | } |
3412 | ||
3413 | switch (type) { | |
3414 | case LPFC_ABORT_IOCB: | |
3415 | case LPFC_SOL_IOCB: | |
3416 | /* | |
3417 | * Idle exchange closed via ABTS from port. No iocb | |
3418 | * resources need to be recovered. | |
3419 | */ | |
3420 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { | |
dca9479b | 3421 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 | 3422 | "0333 IOCB cmd 0x%x" |
dca9479b | 3423 | " processed. Skipping" |
92d7f7b0 | 3424 | " completion\n", |
dca9479b | 3425 | irsp->ulpCommand); |
dea3101e | 3426 | break; |
3427 | } | |
3428 | ||
604a3e30 JB |
3429 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
3430 | &rspiocbq); | |
0f65ff68 JS |
3431 | if (unlikely(!cmdiocbq)) |
3432 | break; | |
3433 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
3434 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
3435 | if (cmdiocbq->iocb_cmpl) { | |
3436 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3437 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, | |
3438 | &rspiocbq); | |
3439 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3440 | } | |
dea3101e | 3441 | break; |
a4bc3379 | 3442 | case LPFC_UNSOL_IOCB: |
2e0fef85 | 3443 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a4bc3379 | 3444 | lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq); |
2e0fef85 | 3445 | spin_lock_irqsave(&phba->hbalock, iflag); |
a4bc3379 | 3446 | break; |
dea3101e | 3447 | default: |
3448 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
3449 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
3450 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
3451 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
3452 | MAX_MSG_DATA); | |
898eb71c JP |
3453 | dev_warn(&((phba->pcidev)->dev), |
3454 | "lpfc%d: %s\n", | |
dea3101e | 3455 | phba->brd_no, adaptermsg); |
3456 | } else { | |
3457 | /* Unknown IOCB command */ | |
3458 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 3459 | "0334 Unknown IOCB command " |
92d7f7b0 | 3460 | "Data: x%x, x%x x%x x%x x%x\n", |
e8b62011 | 3461 | type, irsp->ulpCommand, |
92d7f7b0 JS |
3462 | irsp->ulpStatus, |
3463 | irsp->ulpIoTag, | |
3464 | irsp->ulpContext); | |
dea3101e | 3465 | } |
3466 | break; | |
3467 | } | |
3468 | ||
3469 | /* | |
3470 | * The response IOCB has been processed. Update the ring | |
3471 | * pointer in SLIM. If the port response put pointer has not | |
3472 | * been updated, sync the pgp->rspPutInx and fetch the new port | |
3473 | * response put pointer. | |
3474 | */ | |
7e56aa25 JS |
3475 | writel(pring->sli.sli3.rspidx, |
3476 | &phba->host_gp[pring->ringno].rspGetInx); | |
dea3101e | 3477 | |
7e56aa25 | 3478 | if (pring->sli.sli3.rspidx == portRspPut) |
dea3101e | 3479 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3480 | } | |
3481 | ||
3482 | if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) { | |
3483 | pring->stats.iocb_rsp_full++; | |
3484 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
3485 | writel(status, phba->CAregaddr); | |
3486 | readl(phba->CAregaddr); | |
3487 | } | |
3488 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
3489 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
3490 | pring->stats.iocb_cmd_empty++; | |
3491 | ||
3492 | /* Force update of the local copy of cmdGetInx */ | |
7e56aa25 | 3493 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e | 3494 | lpfc_sli_resume_iocb(phba, pring); |
3495 | ||
3496 | if ((pring->lpfc_sli_cmd_available)) | |
3497 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
3498 | ||
3499 | } | |
3500 | ||
45ed1190 | 3501 | phba->fcp_ring_in_use = 0; |
2e0fef85 | 3502 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e | 3503 | return rc; |
3504 | } | |
3505 | ||
e59058c4 | 3506 | /** |
3772a991 JS |
3507 | * lpfc_sli_sp_handle_rspiocb - Handle slow-path response iocb |
3508 | * @phba: Pointer to HBA context object. | |
3509 | * @pring: Pointer to driver SLI ring object. | |
3510 | * @rspiocbp: Pointer to driver response IOCB object. | |
3511 | * | |
3512 | * This function is called from the worker thread when there is a slow-path | |
3513 | * response IOCB to process. This function chains all the response iocbs until | |
3514 | * seeing the iocb with the LE bit set. The function will call | |
3515 | * lpfc_sli_process_sol_iocb function if the response iocb indicates a | |
3516 | * completion of a command iocb. The function will call the | |
3517 | * lpfc_sli_process_unsol_iocb function if this is an unsolicited iocb. | |
3518 | * The function frees the resources or calls the completion handler if this | |
3519 | * iocb is an abort completion. The function returns NULL when the response | |
3520 | * iocb has the LE bit set and all the chained iocbs are processed, otherwise | |
3521 | * this function shall chain the iocb on to the iocb_continueq and return the | |
3522 | * response iocb passed in. | |
3523 | **/ | |
3524 | static struct lpfc_iocbq * | |
3525 | lpfc_sli_sp_handle_rspiocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3526 | struct lpfc_iocbq *rspiocbp) | |
3527 | { | |
3528 | struct lpfc_iocbq *saveq; | |
3529 | struct lpfc_iocbq *cmdiocbp; | |
3530 | struct lpfc_iocbq *next_iocb; | |
3531 | IOCB_t *irsp = NULL; | |
3532 | uint32_t free_saveq; | |
3533 | uint8_t iocb_cmd_type; | |
3534 | lpfc_iocb_type type; | |
3535 | unsigned long iflag; | |
3536 | int rc; | |
3537 | ||
3538 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3539 | /* First add the response iocb to the countinueq list */ | |
3540 | list_add_tail(&rspiocbp->list, &(pring->iocb_continueq)); | |
3541 | pring->iocb_continueq_cnt++; | |
3542 | ||
70f23fd6 | 3543 | /* Now, determine whether the list is completed for processing */ |
3772a991 JS |
3544 | irsp = &rspiocbp->iocb; |
3545 | if (irsp->ulpLe) { | |
3546 | /* | |
3547 | * By default, the driver expects to free all resources | |
3548 | * associated with this iocb completion. | |
3549 | */ | |
3550 | free_saveq = 1; | |
3551 | saveq = list_get_first(&pring->iocb_continueq, | |
3552 | struct lpfc_iocbq, list); | |
3553 | irsp = &(saveq->iocb); | |
3554 | list_del_init(&pring->iocb_continueq); | |
3555 | pring->iocb_continueq_cnt = 0; | |
3556 | ||
3557 | pring->stats.iocb_rsp++; | |
3558 | ||
3559 | /* | |
3560 | * If resource errors reported from HBA, reduce | |
3561 | * queuedepths of the SCSI device. | |
3562 | */ | |
3563 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
e3d2b802 JS |
3564 | ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == |
3565 | IOERR_NO_RESOURCES)) { | |
3772a991 JS |
3566 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3567 | phba->lpfc_rampdown_queue_depth(phba); | |
3568 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3569 | } | |
3570 | ||
3571 | if (irsp->ulpStatus) { | |
3572 | /* Rsp ring <ringno> error: IOCB */ | |
3573 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
3574 | "0328 Rsp Ring %d error: " | |
3575 | "IOCB Data: " | |
3576 | "x%x x%x x%x x%x " | |
3577 | "x%x x%x x%x x%x " | |
3578 | "x%x x%x x%x x%x " | |
3579 | "x%x x%x x%x x%x\n", | |
3580 | pring->ringno, | |
3581 | irsp->un.ulpWord[0], | |
3582 | irsp->un.ulpWord[1], | |
3583 | irsp->un.ulpWord[2], | |
3584 | irsp->un.ulpWord[3], | |
3585 | irsp->un.ulpWord[4], | |
3586 | irsp->un.ulpWord[5], | |
3587 | *(((uint32_t *) irsp) + 6), | |
3588 | *(((uint32_t *) irsp) + 7), | |
3589 | *(((uint32_t *) irsp) + 8), | |
3590 | *(((uint32_t *) irsp) + 9), | |
3591 | *(((uint32_t *) irsp) + 10), | |
3592 | *(((uint32_t *) irsp) + 11), | |
3593 | *(((uint32_t *) irsp) + 12), | |
3594 | *(((uint32_t *) irsp) + 13), | |
3595 | *(((uint32_t *) irsp) + 14), | |
3596 | *(((uint32_t *) irsp) + 15)); | |
3597 | } | |
3598 | ||
3599 | /* | |
3600 | * Fetch the IOCB command type and call the correct completion | |
3601 | * routine. Solicited and Unsolicited IOCBs on the ELS ring | |
3602 | * get freed back to the lpfc_iocb_list by the discovery | |
3603 | * kernel thread. | |
3604 | */ | |
3605 | iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; | |
3606 | type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); | |
3607 | switch (type) { | |
3608 | case LPFC_SOL_IOCB: | |
3609 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3610 | rc = lpfc_sli_process_sol_iocb(phba, pring, saveq); | |
3611 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3612 | break; | |
3613 | ||
3614 | case LPFC_UNSOL_IOCB: | |
3615 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3616 | rc = lpfc_sli_process_unsol_iocb(phba, pring, saveq); | |
3617 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3618 | if (!rc) | |
3619 | free_saveq = 0; | |
3620 | break; | |
3621 | ||
3622 | case LPFC_ABORT_IOCB: | |
3623 | cmdiocbp = NULL; | |
3624 | if (irsp->ulpCommand != CMD_XRI_ABORTED_CX) | |
3625 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, | |
3626 | saveq); | |
3627 | if (cmdiocbp) { | |
3628 | /* Call the specified completion routine */ | |
3629 | if (cmdiocbp->iocb_cmpl) { | |
3630 | spin_unlock_irqrestore(&phba->hbalock, | |
3631 | iflag); | |
3632 | (cmdiocbp->iocb_cmpl)(phba, cmdiocbp, | |
3633 | saveq); | |
3634 | spin_lock_irqsave(&phba->hbalock, | |
3635 | iflag); | |
3636 | } else | |
3637 | __lpfc_sli_release_iocbq(phba, | |
3638 | cmdiocbp); | |
3639 | } | |
3640 | break; | |
3641 | ||
3642 | case LPFC_UNKNOWN_IOCB: | |
3643 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
3644 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
3645 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
3646 | memcpy(&adaptermsg[0], (uint8_t *)irsp, | |
3647 | MAX_MSG_DATA); | |
3648 | dev_warn(&((phba->pcidev)->dev), | |
3649 | "lpfc%d: %s\n", | |
3650 | phba->brd_no, adaptermsg); | |
3651 | } else { | |
3652 | /* Unknown IOCB command */ | |
3653 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3654 | "0335 Unknown IOCB " | |
3655 | "command Data: x%x " | |
3656 | "x%x x%x x%x\n", | |
3657 | irsp->ulpCommand, | |
3658 | irsp->ulpStatus, | |
3659 | irsp->ulpIoTag, | |
3660 | irsp->ulpContext); | |
3661 | } | |
3662 | break; | |
3663 | } | |
3664 | ||
3665 | if (free_saveq) { | |
3666 | list_for_each_entry_safe(rspiocbp, next_iocb, | |
3667 | &saveq->list, list) { | |
61f35bff | 3668 | list_del_init(&rspiocbp->list); |
3772a991 JS |
3669 | __lpfc_sli_release_iocbq(phba, rspiocbp); |
3670 | } | |
3671 | __lpfc_sli_release_iocbq(phba, saveq); | |
3672 | } | |
3673 | rspiocbp = NULL; | |
3674 | } | |
3675 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3676 | return rspiocbp; | |
3677 | } | |
3678 | ||
3679 | /** | |
3680 | * lpfc_sli_handle_slow_ring_event - Wrapper func for handling slow-path iocbs | |
e59058c4 JS |
3681 | * @phba: Pointer to HBA context object. |
3682 | * @pring: Pointer to driver SLI ring object. | |
3683 | * @mask: Host attention register mask for this ring. | |
3684 | * | |
3772a991 JS |
3685 | * This routine wraps the actual slow_ring event process routine from the |
3686 | * API jump table function pointer from the lpfc_hba struct. | |
e59058c4 | 3687 | **/ |
3772a991 | 3688 | void |
2e0fef85 JS |
3689 | lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, |
3690 | struct lpfc_sli_ring *pring, uint32_t mask) | |
3772a991 JS |
3691 | { |
3692 | phba->lpfc_sli_handle_slow_ring_event(phba, pring, mask); | |
3693 | } | |
3694 | ||
3695 | /** | |
3696 | * lpfc_sli_handle_slow_ring_event_s3 - Handle SLI3 ring event for non-FCP rings | |
3697 | * @phba: Pointer to HBA context object. | |
3698 | * @pring: Pointer to driver SLI ring object. | |
3699 | * @mask: Host attention register mask for this ring. | |
3700 | * | |
3701 | * This function is called from the worker thread when there is a ring event | |
3702 | * for non-fcp rings. The caller does not hold any lock. The function will | |
3703 | * remove each response iocb in the response ring and calls the handle | |
3704 | * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it. | |
3705 | **/ | |
3706 | static void | |
3707 | lpfc_sli_handle_slow_ring_event_s3(struct lpfc_hba *phba, | |
3708 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 3709 | { |
34b02dcd | 3710 | struct lpfc_pgp *pgp; |
dea3101e | 3711 | IOCB_t *entry; |
3712 | IOCB_t *irsp = NULL; | |
3713 | struct lpfc_iocbq *rspiocbp = NULL; | |
dea3101e | 3714 | uint32_t portRspPut, portRspMax; |
dea3101e | 3715 | unsigned long iflag; |
3772a991 | 3716 | uint32_t status; |
dea3101e | 3717 | |
34b02dcd | 3718 | pgp = &phba->port_gp[pring->ringno]; |
2e0fef85 | 3719 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 3720 | pring->stats.iocb_event++; |
3721 | ||
dea3101e | 3722 | /* |
3723 | * The next available response entry should never exceed the maximum | |
3724 | * entries. If it does, treat it as an adapter hardware error. | |
3725 | */ | |
7e56aa25 | 3726 | portRspMax = pring->sli.sli3.numRiocb; |
dea3101e | 3727 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3728 | if (portRspPut >= portRspMax) { | |
3729 | /* | |
025dfdaf | 3730 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger than |
dea3101e | 3731 | * rsp ring <portRspMax> |
3732 | */ | |
ed957684 | 3733 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 3734 | "0303 Ring %d handler: portRspPut %d " |
025dfdaf | 3735 | "is bigger than rsp ring %d\n", |
e8b62011 | 3736 | pring->ringno, portRspPut, portRspMax); |
dea3101e | 3737 | |
2e0fef85 JS |
3738 | phba->link_state = LPFC_HBA_ERROR; |
3739 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
dea3101e | 3740 | |
3741 | phba->work_hs = HS_FFER3; | |
3742 | lpfc_handle_eratt(phba); | |
3743 | ||
3772a991 | 3744 | return; |
dea3101e | 3745 | } |
3746 | ||
3747 | rmb(); | |
7e56aa25 | 3748 | while (pring->sli.sli3.rspidx != portRspPut) { |
dea3101e | 3749 | /* |
3750 | * Build a completion list and call the appropriate handler. | |
3751 | * The process is to get the next available response iocb, get | |
3752 | * a free iocb from the list, copy the response data into the | |
3753 | * free iocb, insert to the continuation list, and update the | |
3754 | * next response index to slim. This process makes response | |
3755 | * iocb's in the ring available to DMA as fast as possible but | |
3756 | * pays a penalty for a copy operation. Since the iocb is | |
3757 | * only 32 bytes, this penalty is considered small relative to | |
3758 | * the PCI reads for register values and a slim write. When | |
3759 | * the ulpLe field is set, the entire Command has been | |
3760 | * received. | |
3761 | */ | |
ed957684 JS |
3762 | entry = lpfc_resp_iocb(phba, pring); |
3763 | ||
858c9f6c | 3764 | phba->last_completion_time = jiffies; |
2e0fef85 | 3765 | rspiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e | 3766 | if (rspiocbp == NULL) { |
3767 | printk(KERN_ERR "%s: out of buffers! Failing " | |
cadbd4a5 | 3768 | "completion.\n", __func__); |
dea3101e | 3769 | break; |
3770 | } | |
3771 | ||
ed957684 JS |
3772 | lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, |
3773 | phba->iocb_rsp_size); | |
dea3101e | 3774 | irsp = &rspiocbp->iocb; |
3775 | ||
7e56aa25 JS |
3776 | if (++pring->sli.sli3.rspidx >= portRspMax) |
3777 | pring->sli.sli3.rspidx = 0; | |
dea3101e | 3778 | |
a58cbd52 JS |
3779 | if (pring->ringno == LPFC_ELS_RING) { |
3780 | lpfc_debugfs_slow_ring_trc(phba, | |
3781 | "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
3782 | *(((uint32_t *) irsp) + 4), | |
3783 | *(((uint32_t *) irsp) + 6), | |
3784 | *(((uint32_t *) irsp) + 7)); | |
3785 | } | |
3786 | ||
7e56aa25 JS |
3787 | writel(pring->sli.sli3.rspidx, |
3788 | &phba->host_gp[pring->ringno].rspGetInx); | |
dea3101e | 3789 | |
3772a991 JS |
3790 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3791 | /* Handle the response IOCB */ | |
3792 | rspiocbp = lpfc_sli_sp_handle_rspiocb(phba, pring, rspiocbp); | |
3793 | spin_lock_irqsave(&phba->hbalock, iflag); | |
dea3101e | 3794 | |
3795 | /* | |
3796 | * If the port response put pointer has not been updated, sync | |
3797 | * the pgp->rspPutInx in the MAILBOX_tand fetch the new port | |
3798 | * response put pointer. | |
3799 | */ | |
7e56aa25 | 3800 | if (pring->sli.sli3.rspidx == portRspPut) { |
dea3101e | 3801 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3802 | } | |
7e56aa25 | 3803 | } /* while (pring->sli.sli3.rspidx != portRspPut) */ |
dea3101e | 3804 | |
92d7f7b0 | 3805 | if ((rspiocbp != NULL) && (mask & HA_R0RE_REQ)) { |
dea3101e | 3806 | /* At least one response entry has been freed */ |
3807 | pring->stats.iocb_rsp_full++; | |
3808 | /* SET RxRE_RSP in Chip Att register */ | |
3809 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
3810 | writel(status, phba->CAregaddr); | |
3811 | readl(phba->CAregaddr); /* flush */ | |
3812 | } | |
3813 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
3814 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
3815 | pring->stats.iocb_cmd_empty++; | |
3816 | ||
3817 | /* Force update of the local copy of cmdGetInx */ | |
7e56aa25 | 3818 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e | 3819 | lpfc_sli_resume_iocb(phba, pring); |
3820 | ||
3821 | if ((pring->lpfc_sli_cmd_available)) | |
3822 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
3823 | ||
3824 | } | |
3825 | ||
2e0fef85 | 3826 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3772a991 | 3827 | return; |
dea3101e | 3828 | } |
3829 | ||
4f774513 JS |
3830 | /** |
3831 | * lpfc_sli_handle_slow_ring_event_s4 - Handle SLI4 slow-path els events | |
3832 | * @phba: Pointer to HBA context object. | |
3833 | * @pring: Pointer to driver SLI ring object. | |
3834 | * @mask: Host attention register mask for this ring. | |
3835 | * | |
3836 | * This function is called from the worker thread when there is a pending | |
3837 | * ELS response iocb on the driver internal slow-path response iocb worker | |
3838 | * queue. The caller does not hold any lock. The function will remove each | |
3839 | * response iocb from the response worker queue and calls the handle | |
3840 | * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it. | |
3841 | **/ | |
3842 | static void | |
3843 | lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba *phba, | |
3844 | struct lpfc_sli_ring *pring, uint32_t mask) | |
3845 | { | |
3846 | struct lpfc_iocbq *irspiocbq; | |
4d9ab994 JS |
3847 | struct hbq_dmabuf *dmabuf; |
3848 | struct lpfc_cq_event *cq_event; | |
4f774513 | 3849 | unsigned long iflag; |
0ef01a2d | 3850 | int count = 0; |
4f774513 | 3851 | |
45ed1190 JS |
3852 | spin_lock_irqsave(&phba->hbalock, iflag); |
3853 | phba->hba_flag &= ~HBA_SP_QUEUE_EVT; | |
3854 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3855 | while (!list_empty(&phba->sli4_hba.sp_queue_event)) { | |
4f774513 JS |
3856 | /* Get the response iocb from the head of work queue */ |
3857 | spin_lock_irqsave(&phba->hbalock, iflag); | |
45ed1190 | 3858 | list_remove_head(&phba->sli4_hba.sp_queue_event, |
4d9ab994 | 3859 | cq_event, struct lpfc_cq_event, list); |
4f774513 | 3860 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
4d9ab994 JS |
3861 | |
3862 | switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) { | |
3863 | case CQE_CODE_COMPL_WQE: | |
3864 | irspiocbq = container_of(cq_event, struct lpfc_iocbq, | |
3865 | cq_event); | |
45ed1190 JS |
3866 | /* Translate ELS WCQE to response IOCBQ */ |
3867 | irspiocbq = lpfc_sli4_els_wcqe_to_rspiocbq(phba, | |
3868 | irspiocbq); | |
3869 | if (irspiocbq) | |
3870 | lpfc_sli_sp_handle_rspiocb(phba, pring, | |
3871 | irspiocbq); | |
0ef01a2d | 3872 | count++; |
4d9ab994 JS |
3873 | break; |
3874 | case CQE_CODE_RECEIVE: | |
7851fe2c | 3875 | case CQE_CODE_RECEIVE_V1: |
4d9ab994 JS |
3876 | dmabuf = container_of(cq_event, struct hbq_dmabuf, |
3877 | cq_event); | |
3878 | lpfc_sli4_handle_received_buffer(phba, dmabuf); | |
0ef01a2d | 3879 | count++; |
4d9ab994 JS |
3880 | break; |
3881 | default: | |
3882 | break; | |
3883 | } | |
0ef01a2d JS |
3884 | |
3885 | /* Limit the number of events to 64 to avoid soft lockups */ | |
3886 | if (count == 64) | |
3887 | break; | |
4f774513 JS |
3888 | } |
3889 | } | |
3890 | ||
e59058c4 | 3891 | /** |
3621a710 | 3892 | * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring |
e59058c4 JS |
3893 | * @phba: Pointer to HBA context object. |
3894 | * @pring: Pointer to driver SLI ring object. | |
3895 | * | |
3896 | * This function aborts all iocbs in the given ring and frees all the iocb | |
3897 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
3898 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
3899 | * the return of this function. The caller is not required to hold any locks. | |
3900 | **/ | |
2e0fef85 | 3901 | void |
dea3101e | 3902 | lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
3903 | { | |
2534ba75 | 3904 | LIST_HEAD(completions); |
dea3101e | 3905 | struct lpfc_iocbq *iocb, *next_iocb; |
dea3101e | 3906 | |
92d7f7b0 JS |
3907 | if (pring->ringno == LPFC_ELS_RING) { |
3908 | lpfc_fabric_abort_hba(phba); | |
3909 | } | |
3910 | ||
dea3101e | 3911 | /* Error everything on txq and txcmplq |
3912 | * First do the txq. | |
3913 | */ | |
db55fba8 JS |
3914 | if (phba->sli_rev >= LPFC_SLI_REV4) { |
3915 | spin_lock_irq(&pring->ring_lock); | |
3916 | list_splice_init(&pring->txq, &completions); | |
3917 | pring->txq_cnt = 0; | |
3918 | spin_unlock_irq(&pring->ring_lock); | |
dea3101e | 3919 | |
db55fba8 JS |
3920 | spin_lock_irq(&phba->hbalock); |
3921 | /* Next issue ABTS for everything on the txcmplq */ | |
3922 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
3923 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
3924 | spin_unlock_irq(&phba->hbalock); | |
3925 | } else { | |
3926 | spin_lock_irq(&phba->hbalock); | |
3927 | list_splice_init(&pring->txq, &completions); | |
3928 | pring->txq_cnt = 0; | |
dea3101e | 3929 | |
db55fba8 JS |
3930 | /* Next issue ABTS for everything on the txcmplq */ |
3931 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
3932 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
3933 | spin_unlock_irq(&phba->hbalock); | |
3934 | } | |
dea3101e | 3935 | |
a257bf90 JS |
3936 | /* Cancel all the IOCBs from the completions list */ |
3937 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
3938 | IOERR_SLI_ABORTED); | |
dea3101e | 3939 | } |
3940 | ||
895427bd JS |
3941 | /** |
3942 | * lpfc_sli_abort_wqe_ring - Abort all iocbs in the ring | |
3943 | * @phba: Pointer to HBA context object. | |
3944 | * @pring: Pointer to driver SLI ring object. | |
3945 | * | |
3946 | * This function aborts all iocbs in the given ring and frees all the iocb | |
3947 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
3948 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
3949 | * the return of this function. The caller is not required to hold any locks. | |
3950 | **/ | |
3951 | void | |
3952 | lpfc_sli_abort_wqe_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
3953 | { | |
3954 | LIST_HEAD(completions); | |
3955 | struct lpfc_iocbq *iocb, *next_iocb; | |
3956 | ||
3957 | if (pring->ringno == LPFC_ELS_RING) | |
3958 | lpfc_fabric_abort_hba(phba); | |
3959 | ||
3960 | spin_lock_irq(&phba->hbalock); | |
3961 | /* Next issue ABTS for everything on the txcmplq */ | |
3962 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
3963 | lpfc_sli4_abort_nvme_io(phba, pring, iocb); | |
3964 | spin_unlock_irq(&phba->hbalock); | |
3965 | } | |
3966 | ||
3967 | ||
db55fba8 JS |
3968 | /** |
3969 | * lpfc_sli_abort_fcp_rings - Abort all iocbs in all FCP rings | |
3970 | * @phba: Pointer to HBA context object. | |
3971 | * @pring: Pointer to driver SLI ring object. | |
3972 | * | |
3973 | * This function aborts all iocbs in FCP rings and frees all the iocb | |
3974 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
3975 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
3976 | * the return of this function. The caller is not required to hold any locks. | |
3977 | **/ | |
3978 | void | |
3979 | lpfc_sli_abort_fcp_rings(struct lpfc_hba *phba) | |
3980 | { | |
3981 | struct lpfc_sli *psli = &phba->sli; | |
3982 | struct lpfc_sli_ring *pring; | |
3983 | uint32_t i; | |
3984 | ||
3985 | /* Look on all the FCP Rings for the iotag */ | |
3986 | if (phba->sli_rev >= LPFC_SLI_REV4) { | |
cdb42bec JS |
3987 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
3988 | pring = phba->sli4_hba.hdwq[i].fcp_wq->pring; | |
db55fba8 JS |
3989 | lpfc_sli_abort_iocb_ring(phba, pring); |
3990 | } | |
3991 | } else { | |
895427bd | 3992 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
db55fba8 JS |
3993 | lpfc_sli_abort_iocb_ring(phba, pring); |
3994 | } | |
3995 | } | |
3996 | ||
895427bd JS |
3997 | /** |
3998 | * lpfc_sli_abort_nvme_rings - Abort all wqes in all NVME rings | |
3999 | * @phba: Pointer to HBA context object. | |
4000 | * | |
4001 | * This function aborts all wqes in NVME rings. This function issues an | |
4002 | * abort wqe for all the outstanding IO commands in txcmplq. The iocbs in | |
4003 | * the txcmplq is not guaranteed to complete before the return of this | |
4004 | * function. The caller is not required to hold any locks. | |
4005 | **/ | |
4006 | void | |
4007 | lpfc_sli_abort_nvme_rings(struct lpfc_hba *phba) | |
4008 | { | |
4009 | struct lpfc_sli_ring *pring; | |
4010 | uint32_t i; | |
4011 | ||
cdb42bec JS |
4012 | if ((phba->sli_rev < LPFC_SLI_REV4) || |
4013 | !(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) | |
895427bd JS |
4014 | return; |
4015 | ||
4016 | /* Abort all IO on each NVME ring. */ | |
cdb42bec JS |
4017 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
4018 | pring = phba->sli4_hba.hdwq[i].nvme_wq->pring; | |
895427bd JS |
4019 | lpfc_sli_abort_wqe_ring(phba, pring); |
4020 | } | |
4021 | } | |
4022 | ||
db55fba8 | 4023 | |
a8e497d5 | 4024 | /** |
3621a710 | 4025 | * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring |
a8e497d5 JS |
4026 | * @phba: Pointer to HBA context object. |
4027 | * | |
4028 | * This function flushes all iocbs in the fcp ring and frees all the iocb | |
4029 | * objects in txq and txcmplq. This function will not issue abort iocbs | |
4030 | * for all the iocb commands in txcmplq, they will just be returned with | |
4031 | * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI | |
4032 | * slot has been permanently disabled. | |
4033 | **/ | |
4034 | void | |
4035 | lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) | |
4036 | { | |
4037 | LIST_HEAD(txq); | |
4038 | LIST_HEAD(txcmplq); | |
a8e497d5 JS |
4039 | struct lpfc_sli *psli = &phba->sli; |
4040 | struct lpfc_sli_ring *pring; | |
db55fba8 | 4041 | uint32_t i; |
c1dd9111 | 4042 | struct lpfc_iocbq *piocb, *next_iocb; |
a8e497d5 JS |
4043 | |
4044 | spin_lock_irq(&phba->hbalock); | |
4f2e66c6 JS |
4045 | /* Indicate the I/O queues are flushed */ |
4046 | phba->hba_flag |= HBA_FCP_IOQ_FLUSH; | |
a8e497d5 JS |
4047 | spin_unlock_irq(&phba->hbalock); |
4048 | ||
db55fba8 JS |
4049 | /* Look on all the FCP Rings for the iotag */ |
4050 | if (phba->sli_rev >= LPFC_SLI_REV4) { | |
cdb42bec JS |
4051 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
4052 | pring = phba->sli4_hba.hdwq[i].fcp_wq->pring; | |
db55fba8 JS |
4053 | |
4054 | spin_lock_irq(&pring->ring_lock); | |
4055 | /* Retrieve everything on txq */ | |
4056 | list_splice_init(&pring->txq, &txq); | |
c1dd9111 JS |
4057 | list_for_each_entry_safe(piocb, next_iocb, |
4058 | &pring->txcmplq, list) | |
4059 | piocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; | |
db55fba8 JS |
4060 | /* Retrieve everything on the txcmplq */ |
4061 | list_splice_init(&pring->txcmplq, &txcmplq); | |
4062 | pring->txq_cnt = 0; | |
4063 | pring->txcmplq_cnt = 0; | |
4064 | spin_unlock_irq(&pring->ring_lock); | |
4065 | ||
4066 | /* Flush the txq */ | |
4067 | lpfc_sli_cancel_iocbs(phba, &txq, | |
4068 | IOSTAT_LOCAL_REJECT, | |
4069 | IOERR_SLI_DOWN); | |
4070 | /* Flush the txcmpq */ | |
4071 | lpfc_sli_cancel_iocbs(phba, &txcmplq, | |
4072 | IOSTAT_LOCAL_REJECT, | |
4073 | IOERR_SLI_DOWN); | |
4074 | } | |
4075 | } else { | |
895427bd | 4076 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
a8e497d5 | 4077 | |
db55fba8 JS |
4078 | spin_lock_irq(&phba->hbalock); |
4079 | /* Retrieve everything on txq */ | |
4080 | list_splice_init(&pring->txq, &txq); | |
c1dd9111 JS |
4081 | list_for_each_entry_safe(piocb, next_iocb, |
4082 | &pring->txcmplq, list) | |
4083 | piocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; | |
db55fba8 JS |
4084 | /* Retrieve everything on the txcmplq */ |
4085 | list_splice_init(&pring->txcmplq, &txcmplq); | |
4086 | pring->txq_cnt = 0; | |
4087 | pring->txcmplq_cnt = 0; | |
4088 | spin_unlock_irq(&phba->hbalock); | |
4089 | ||
4090 | /* Flush the txq */ | |
4091 | lpfc_sli_cancel_iocbs(phba, &txq, IOSTAT_LOCAL_REJECT, | |
4092 | IOERR_SLI_DOWN); | |
4093 | /* Flush the txcmpq */ | |
4094 | lpfc_sli_cancel_iocbs(phba, &txcmplq, IOSTAT_LOCAL_REJECT, | |
4095 | IOERR_SLI_DOWN); | |
4096 | } | |
a8e497d5 JS |
4097 | } |
4098 | ||
895427bd JS |
4099 | /** |
4100 | * lpfc_sli_flush_nvme_rings - flush all wqes in the nvme rings | |
4101 | * @phba: Pointer to HBA context object. | |
4102 | * | |
4103 | * This function flushes all wqes in the nvme rings and frees all resources | |
4104 | * in the txcmplq. This function does not issue abort wqes for the IO | |
4105 | * commands in txcmplq, they will just be returned with | |
4106 | * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI | |
4107 | * slot has been permanently disabled. | |
4108 | **/ | |
4109 | void | |
4110 | lpfc_sli_flush_nvme_rings(struct lpfc_hba *phba) | |
4111 | { | |
4112 | LIST_HEAD(txcmplq); | |
4113 | struct lpfc_sli_ring *pring; | |
4114 | uint32_t i; | |
c1dd9111 | 4115 | struct lpfc_iocbq *piocb, *next_iocb; |
895427bd | 4116 | |
cdb42bec JS |
4117 | if ((phba->sli_rev < LPFC_SLI_REV4) || |
4118 | !(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) | |
895427bd JS |
4119 | return; |
4120 | ||
4121 | /* Hint to other driver operations that a flush is in progress. */ | |
4122 | spin_lock_irq(&phba->hbalock); | |
4123 | phba->hba_flag |= HBA_NVME_IOQ_FLUSH; | |
4124 | spin_unlock_irq(&phba->hbalock); | |
4125 | ||
4126 | /* Cycle through all NVME rings and complete each IO with | |
4127 | * a local driver reason code. This is a flush so no | |
4128 | * abort exchange to FW. | |
4129 | */ | |
cdb42bec JS |
4130 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
4131 | pring = phba->sli4_hba.hdwq[i].nvme_wq->pring; | |
895427bd | 4132 | |
895427bd | 4133 | spin_lock_irq(&pring->ring_lock); |
c1dd9111 JS |
4134 | list_for_each_entry_safe(piocb, next_iocb, |
4135 | &pring->txcmplq, list) | |
4136 | piocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; | |
4137 | /* Retrieve everything on the txcmplq */ | |
895427bd JS |
4138 | list_splice_init(&pring->txcmplq, &txcmplq); |
4139 | pring->txcmplq_cnt = 0; | |
4140 | spin_unlock_irq(&pring->ring_lock); | |
4141 | ||
4142 | /* Flush the txcmpq &&&PAE */ | |
4143 | lpfc_sli_cancel_iocbs(phba, &txcmplq, | |
4144 | IOSTAT_LOCAL_REJECT, | |
4145 | IOERR_SLI_DOWN); | |
4146 | } | |
4147 | } | |
4148 | ||
e59058c4 | 4149 | /** |
3772a991 | 4150 | * lpfc_sli_brdready_s3 - Check for sli3 host ready status |
e59058c4 JS |
4151 | * @phba: Pointer to HBA context object. |
4152 | * @mask: Bit mask to be checked. | |
4153 | * | |
4154 | * This function reads the host status register and compares | |
4155 | * with the provided bit mask to check if HBA completed | |
4156 | * the restart. This function will wait in a loop for the | |
4157 | * HBA to complete restart. If the HBA does not restart within | |
4158 | * 15 iterations, the function will reset the HBA again. The | |
4159 | * function returns 1 when HBA fail to restart otherwise returns | |
4160 | * zero. | |
4161 | **/ | |
3772a991 JS |
4162 | static int |
4163 | lpfc_sli_brdready_s3(struct lpfc_hba *phba, uint32_t mask) | |
dea3101e | 4164 | { |
41415862 JW |
4165 | uint32_t status; |
4166 | int i = 0; | |
4167 | int retval = 0; | |
dea3101e | 4168 | |
41415862 | 4169 | /* Read the HBA Host Status Register */ |
9940b97b JS |
4170 | if (lpfc_readl(phba->HSregaddr, &status)) |
4171 | return 1; | |
dea3101e | 4172 | |
41415862 JW |
4173 | /* |
4174 | * Check status register every 100ms for 5 retries, then every | |
4175 | * 500ms for 5, then every 2.5 sec for 5, then reset board and | |
4176 | * every 2.5 sec for 4. | |
4177 | * Break our of the loop if errors occurred during init. | |
4178 | */ | |
4179 | while (((status & mask) != mask) && | |
4180 | !(status & HS_FFERM) && | |
4181 | i++ < 20) { | |
dea3101e | 4182 | |
41415862 JW |
4183 | if (i <= 5) |
4184 | msleep(10); | |
4185 | else if (i <= 10) | |
4186 | msleep(500); | |
4187 | else | |
4188 | msleep(2500); | |
dea3101e | 4189 | |
41415862 | 4190 | if (i == 15) { |
2e0fef85 | 4191 | /* Do post */ |
92d7f7b0 | 4192 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 JW |
4193 | lpfc_sli_brdrestart(phba); |
4194 | } | |
4195 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4196 | if (lpfc_readl(phba->HSregaddr, &status)) { |
4197 | retval = 1; | |
4198 | break; | |
4199 | } | |
41415862 | 4200 | } |
dea3101e | 4201 | |
41415862 JW |
4202 | /* Check to see if any errors occurred during init */ |
4203 | if ((status & HS_FFERM) || (i >= 20)) { | |
e40a02c1 JS |
4204 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
4205 | "2751 Adapter failed to restart, " | |
4206 | "status reg x%x, FW Data: A8 x%x AC x%x\n", | |
4207 | status, | |
4208 | readl(phba->MBslimaddr + 0xa8), | |
4209 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4210 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 4211 | retval = 1; |
dea3101e | 4212 | } |
dea3101e | 4213 | |
41415862 JW |
4214 | return retval; |
4215 | } | |
dea3101e | 4216 | |
da0436e9 JS |
4217 | /** |
4218 | * lpfc_sli_brdready_s4 - Check for sli4 host ready status | |
4219 | * @phba: Pointer to HBA context object. | |
4220 | * @mask: Bit mask to be checked. | |
4221 | * | |
4222 | * This function checks the host status register to check if HBA is | |
4223 | * ready. This function will wait in a loop for the HBA to be ready | |
4224 | * If the HBA is not ready , the function will will reset the HBA PCI | |
4225 | * function again. The function returns 1 when HBA fail to be ready | |
4226 | * otherwise returns zero. | |
4227 | **/ | |
4228 | static int | |
4229 | lpfc_sli_brdready_s4(struct lpfc_hba *phba, uint32_t mask) | |
4230 | { | |
4231 | uint32_t status; | |
4232 | int retval = 0; | |
4233 | ||
4234 | /* Read the HBA Host Status Register */ | |
4235 | status = lpfc_sli4_post_status_check(phba); | |
4236 | ||
4237 | if (status) { | |
4238 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
4239 | lpfc_sli_brdrestart(phba); | |
4240 | status = lpfc_sli4_post_status_check(phba); | |
4241 | } | |
4242 | ||
4243 | /* Check to see if any errors occurred during init */ | |
4244 | if (status) { | |
4245 | phba->link_state = LPFC_HBA_ERROR; | |
4246 | retval = 1; | |
4247 | } else | |
4248 | phba->sli4_hba.intr_enable = 0; | |
4249 | ||
4250 | return retval; | |
4251 | } | |
4252 | ||
4253 | /** | |
4254 | * lpfc_sli_brdready - Wrapper func for checking the hba readyness | |
4255 | * @phba: Pointer to HBA context object. | |
4256 | * @mask: Bit mask to be checked. | |
4257 | * | |
4258 | * This routine wraps the actual SLI3 or SLI4 hba readyness check routine | |
4259 | * from the API jump table function pointer from the lpfc_hba struct. | |
4260 | **/ | |
4261 | int | |
4262 | lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) | |
4263 | { | |
4264 | return phba->lpfc_sli_brdready(phba, mask); | |
4265 | } | |
4266 | ||
9290831f JS |
4267 | #define BARRIER_TEST_PATTERN (0xdeadbeef) |
4268 | ||
e59058c4 | 4269 | /** |
3621a710 | 4270 | * lpfc_reset_barrier - Make HBA ready for HBA reset |
e59058c4 JS |
4271 | * @phba: Pointer to HBA context object. |
4272 | * | |
1b51197d JS |
4273 | * This function is called before resetting an HBA. This function is called |
4274 | * with hbalock held and requests HBA to quiesce DMAs before a reset. | |
e59058c4 | 4275 | **/ |
2e0fef85 | 4276 | void lpfc_reset_barrier(struct lpfc_hba *phba) |
9290831f | 4277 | { |
65a29c16 JS |
4278 | uint32_t __iomem *resp_buf; |
4279 | uint32_t __iomem *mbox_buf; | |
9290831f | 4280 | volatile uint32_t mbox; |
9940b97b | 4281 | uint32_t hc_copy, ha_copy, resp_data; |
9290831f JS |
4282 | int i; |
4283 | uint8_t hdrtype; | |
4284 | ||
1c2ba475 JT |
4285 | lockdep_assert_held(&phba->hbalock); |
4286 | ||
9290831f JS |
4287 | pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); |
4288 | if (hdrtype != 0x80 || | |
4289 | (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID && | |
4290 | FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID)) | |
4291 | return; | |
4292 | ||
4293 | /* | |
4294 | * Tell the other part of the chip to suspend temporarily all | |
4295 | * its DMA activity. | |
4296 | */ | |
65a29c16 | 4297 | resp_buf = phba->MBslimaddr; |
9290831f JS |
4298 | |
4299 | /* Disable the error attention */ | |
9940b97b JS |
4300 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) |
4301 | return; | |
9290831f JS |
4302 | writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); |
4303 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 4304 | phba->link_flag |= LS_IGNORE_ERATT; |
9290831f | 4305 | |
9940b97b JS |
4306 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4307 | return; | |
4308 | if (ha_copy & HA_ERATT) { | |
9290831f JS |
4309 | /* Clear Chip error bit */ |
4310 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4311 | phba->pport->stopped = 1; |
9290831f JS |
4312 | } |
4313 | ||
4314 | mbox = 0; | |
4315 | ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD; | |
4316 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP; | |
4317 | ||
4318 | writel(BARRIER_TEST_PATTERN, (resp_buf + 1)); | |
65a29c16 | 4319 | mbox_buf = phba->MBslimaddr; |
9290831f JS |
4320 | writel(mbox, mbox_buf); |
4321 | ||
9940b97b JS |
4322 | for (i = 0; i < 50; i++) { |
4323 | if (lpfc_readl((resp_buf + 1), &resp_data)) | |
4324 | return; | |
4325 | if (resp_data != ~(BARRIER_TEST_PATTERN)) | |
4326 | mdelay(1); | |
4327 | else | |
4328 | break; | |
4329 | } | |
4330 | resp_data = 0; | |
4331 | if (lpfc_readl((resp_buf + 1), &resp_data)) | |
4332 | return; | |
4333 | if (resp_data != ~(BARRIER_TEST_PATTERN)) { | |
f4b4c68f | 4334 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE || |
2e0fef85 | 4335 | phba->pport->stopped) |
9290831f JS |
4336 | goto restore_hc; |
4337 | else | |
4338 | goto clear_errat; | |
4339 | } | |
4340 | ||
4341 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST; | |
9940b97b JS |
4342 | resp_data = 0; |
4343 | for (i = 0; i < 500; i++) { | |
4344 | if (lpfc_readl(resp_buf, &resp_data)) | |
4345 | return; | |
4346 | if (resp_data != mbox) | |
4347 | mdelay(1); | |
4348 | else | |
4349 | break; | |
4350 | } | |
9290831f JS |
4351 | |
4352 | clear_errat: | |
4353 | ||
9940b97b JS |
4354 | while (++i < 500) { |
4355 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) | |
4356 | return; | |
4357 | if (!(ha_copy & HA_ERATT)) | |
4358 | mdelay(1); | |
4359 | else | |
4360 | break; | |
4361 | } | |
9290831f JS |
4362 | |
4363 | if (readl(phba->HAregaddr) & HA_ERATT) { | |
4364 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4365 | phba->pport->stopped = 1; |
9290831f JS |
4366 | } |
4367 | ||
4368 | restore_hc: | |
2e0fef85 | 4369 | phba->link_flag &= ~LS_IGNORE_ERATT; |
9290831f JS |
4370 | writel(hc_copy, phba->HCregaddr); |
4371 | readl(phba->HCregaddr); /* flush */ | |
4372 | } | |
4373 | ||
e59058c4 | 4374 | /** |
3621a710 | 4375 | * lpfc_sli_brdkill - Issue a kill_board mailbox command |
e59058c4 JS |
4376 | * @phba: Pointer to HBA context object. |
4377 | * | |
4378 | * This function issues a kill_board mailbox command and waits for | |
4379 | * the error attention interrupt. This function is called for stopping | |
4380 | * the firmware processing. The caller is not required to hold any | |
4381 | * locks. This function calls lpfc_hba_down_post function to free | |
4382 | * any pending commands after the kill. The function will return 1 when it | |
4383 | * fails to kill the board else will return 0. | |
4384 | **/ | |
41415862 | 4385 | int |
2e0fef85 | 4386 | lpfc_sli_brdkill(struct lpfc_hba *phba) |
41415862 JW |
4387 | { |
4388 | struct lpfc_sli *psli; | |
4389 | LPFC_MBOXQ_t *pmb; | |
4390 | uint32_t status; | |
4391 | uint32_t ha_copy; | |
4392 | int retval; | |
4393 | int i = 0; | |
dea3101e | 4394 | |
41415862 | 4395 | psli = &phba->sli; |
dea3101e | 4396 | |
41415862 | 4397 | /* Kill HBA */ |
ed957684 | 4398 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 JS |
4399 | "0329 Kill HBA Data: x%x x%x\n", |
4400 | phba->pport->port_state, psli->sli_flag); | |
41415862 | 4401 | |
98c9ea5c JS |
4402 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4403 | if (!pmb) | |
41415862 | 4404 | return 1; |
41415862 JW |
4405 | |
4406 | /* Disable the error attention */ | |
2e0fef85 | 4407 | spin_lock_irq(&phba->hbalock); |
9940b97b JS |
4408 | if (lpfc_readl(phba->HCregaddr, &status)) { |
4409 | spin_unlock_irq(&phba->hbalock); | |
4410 | mempool_free(pmb, phba->mbox_mem_pool); | |
4411 | return 1; | |
4412 | } | |
41415862 JW |
4413 | status &= ~HC_ERINT_ENA; |
4414 | writel(status, phba->HCregaddr); | |
4415 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 JS |
4416 | phba->link_flag |= LS_IGNORE_ERATT; |
4417 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
4418 | |
4419 | lpfc_kill_board(phba, pmb); | |
4420 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
4421 | retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
4422 | ||
4423 | if (retval != MBX_SUCCESS) { | |
4424 | if (retval != MBX_BUSY) | |
4425 | mempool_free(pmb, phba->mbox_mem_pool); | |
e40a02c1 JS |
4426 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
4427 | "2752 KILL_BOARD command failed retval %d\n", | |
4428 | retval); | |
2e0fef85 JS |
4429 | spin_lock_irq(&phba->hbalock); |
4430 | phba->link_flag &= ~LS_IGNORE_ERATT; | |
4431 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
4432 | return 1; |
4433 | } | |
4434 | ||
f4b4c68f JS |
4435 | spin_lock_irq(&phba->hbalock); |
4436 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
4437 | spin_unlock_irq(&phba->hbalock); | |
9290831f | 4438 | |
41415862 JW |
4439 | mempool_free(pmb, phba->mbox_mem_pool); |
4440 | ||
4441 | /* There is no completion for a KILL_BOARD mbox cmd. Check for an error | |
4442 | * attention every 100ms for 3 seconds. If we don't get ERATT after | |
4443 | * 3 seconds we still set HBA_ERROR state because the status of the | |
4444 | * board is now undefined. | |
4445 | */ | |
9940b97b JS |
4446 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4447 | return 1; | |
41415862 JW |
4448 | while ((i++ < 30) && !(ha_copy & HA_ERATT)) { |
4449 | mdelay(100); | |
9940b97b JS |
4450 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4451 | return 1; | |
41415862 JW |
4452 | } |
4453 | ||
4454 | del_timer_sync(&psli->mbox_tmo); | |
9290831f JS |
4455 | if (ha_copy & HA_ERATT) { |
4456 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4457 | phba->pport->stopped = 1; |
9290831f | 4458 | } |
2e0fef85 | 4459 | spin_lock_irq(&phba->hbalock); |
41415862 | 4460 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
04c68496 | 4461 | psli->mbox_active = NULL; |
2e0fef85 JS |
4462 | phba->link_flag &= ~LS_IGNORE_ERATT; |
4463 | spin_unlock_irq(&phba->hbalock); | |
41415862 | 4464 | |
41415862 | 4465 | lpfc_hba_down_post(phba); |
2e0fef85 | 4466 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 4467 | |
2e0fef85 | 4468 | return ha_copy & HA_ERATT ? 0 : 1; |
dea3101e | 4469 | } |
4470 | ||
e59058c4 | 4471 | /** |
3772a991 | 4472 | * lpfc_sli_brdreset - Reset a sli-2 or sli-3 HBA |
e59058c4 JS |
4473 | * @phba: Pointer to HBA context object. |
4474 | * | |
4475 | * This function resets the HBA by writing HC_INITFF to the control | |
4476 | * register. After the HBA resets, this function resets all the iocb ring | |
4477 | * indices. This function disables PCI layer parity checking during | |
4478 | * the reset. | |
4479 | * This function returns 0 always. | |
4480 | * The caller is not required to hold any locks. | |
4481 | **/ | |
41415862 | 4482 | int |
2e0fef85 | 4483 | lpfc_sli_brdreset(struct lpfc_hba *phba) |
dea3101e | 4484 | { |
41415862 | 4485 | struct lpfc_sli *psli; |
dea3101e | 4486 | struct lpfc_sli_ring *pring; |
41415862 | 4487 | uint16_t cfg_value; |
dea3101e | 4488 | int i; |
dea3101e | 4489 | |
41415862 | 4490 | psli = &phba->sli; |
dea3101e | 4491 | |
41415862 JW |
4492 | /* Reset HBA */ |
4493 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 4494 | "0325 Reset HBA Data: x%x x%x\n", |
4492b739 JS |
4495 | (phba->pport) ? phba->pport->port_state : 0, |
4496 | psli->sli_flag); | |
dea3101e | 4497 | |
4498 | /* perform board reset */ | |
4499 | phba->fc_eventTag = 0; | |
4d9ab994 | 4500 | phba->link_events = 0; |
4492b739 JS |
4501 | if (phba->pport) { |
4502 | phba->pport->fc_myDID = 0; | |
4503 | phba->pport->fc_prevDID = 0; | |
4504 | } | |
dea3101e | 4505 | |
41415862 JW |
4506 | /* Turn off parity checking and serr during the physical reset */ |
4507 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); | |
4508 | pci_write_config_word(phba->pcidev, PCI_COMMAND, | |
4509 | (cfg_value & | |
4510 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
4511 | ||
3772a991 JS |
4512 | psli->sli_flag &= ~(LPFC_SLI_ACTIVE | LPFC_PROCESS_LA); |
4513 | ||
41415862 JW |
4514 | /* Now toggle INITFF bit in the Host Control Register */ |
4515 | writel(HC_INITFF, phba->HCregaddr); | |
4516 | mdelay(1); | |
4517 | readl(phba->HCregaddr); /* flush */ | |
4518 | writel(0, phba->HCregaddr); | |
4519 | readl(phba->HCregaddr); /* flush */ | |
4520 | ||
4521 | /* Restore PCI cmd register */ | |
4522 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
dea3101e | 4523 | |
4524 | /* Initialize relevant SLI info */ | |
41415862 | 4525 | for (i = 0; i < psli->num_rings; i++) { |
895427bd | 4526 | pring = &psli->sli3_ring[i]; |
dea3101e | 4527 | pring->flag = 0; |
7e56aa25 JS |
4528 | pring->sli.sli3.rspidx = 0; |
4529 | pring->sli.sli3.next_cmdidx = 0; | |
4530 | pring->sli.sli3.local_getidx = 0; | |
4531 | pring->sli.sli3.cmdidx = 0; | |
dea3101e | 4532 | pring->missbufcnt = 0; |
4533 | } | |
dea3101e | 4534 | |
2e0fef85 | 4535 | phba->link_state = LPFC_WARM_START; |
41415862 JW |
4536 | return 0; |
4537 | } | |
4538 | ||
e59058c4 | 4539 | /** |
da0436e9 JS |
4540 | * lpfc_sli4_brdreset - Reset a sli-4 HBA |
4541 | * @phba: Pointer to HBA context object. | |
4542 | * | |
4543 | * This function resets a SLI4 HBA. This function disables PCI layer parity | |
4544 | * checking during resets the device. The caller is not required to hold | |
4545 | * any locks. | |
4546 | * | |
4547 | * This function returns 0 always. | |
4548 | **/ | |
4549 | int | |
4550 | lpfc_sli4_brdreset(struct lpfc_hba *phba) | |
4551 | { | |
4552 | struct lpfc_sli *psli = &phba->sli; | |
4553 | uint16_t cfg_value; | |
0293635e | 4554 | int rc = 0; |
da0436e9 JS |
4555 | |
4556 | /* Reset HBA */ | |
4557 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
0293635e JS |
4558 | "0295 Reset HBA Data: x%x x%x x%x\n", |
4559 | phba->pport->port_state, psli->sli_flag, | |
4560 | phba->hba_flag); | |
da0436e9 JS |
4561 | |
4562 | /* perform board reset */ | |
4563 | phba->fc_eventTag = 0; | |
4d9ab994 | 4564 | phba->link_events = 0; |
da0436e9 JS |
4565 | phba->pport->fc_myDID = 0; |
4566 | phba->pport->fc_prevDID = 0; | |
4567 | ||
da0436e9 JS |
4568 | spin_lock_irq(&phba->hbalock); |
4569 | psli->sli_flag &= ~(LPFC_PROCESS_LA); | |
4570 | phba->fcf.fcf_flag = 0; | |
da0436e9 JS |
4571 | spin_unlock_irq(&phba->hbalock); |
4572 | ||
0293635e JS |
4573 | /* SLI4 INTF 2: if FW dump is being taken skip INIT_PORT */ |
4574 | if (phba->hba_flag & HBA_FW_DUMP_OP) { | |
4575 | phba->hba_flag &= ~HBA_FW_DUMP_OP; | |
4576 | return rc; | |
4577 | } | |
4578 | ||
da0436e9 JS |
4579 | /* Now physically reset the device */ |
4580 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4581 | "0389 Performing PCI function reset!\n"); | |
be858b65 JS |
4582 | |
4583 | /* Turn off parity checking and serr during the physical reset */ | |
4584 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); | |
4585 | pci_write_config_word(phba->pcidev, PCI_COMMAND, (cfg_value & | |
4586 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
4587 | ||
88318816 | 4588 | /* Perform FCoE PCI function reset before freeing queue memory */ |
27b01b82 | 4589 | rc = lpfc_pci_function_reset(phba); |
da0436e9 | 4590 | |
be858b65 JS |
4591 | /* Restore PCI cmd register */ |
4592 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
4593 | ||
27b01b82 | 4594 | return rc; |
da0436e9 JS |
4595 | } |
4596 | ||
4597 | /** | |
4598 | * lpfc_sli_brdrestart_s3 - Restart a sli-3 hba | |
e59058c4 JS |
4599 | * @phba: Pointer to HBA context object. |
4600 | * | |
4601 | * This function is called in the SLI initialization code path to | |
4602 | * restart the HBA. The caller is not required to hold any lock. | |
4603 | * This function writes MBX_RESTART mailbox command to the SLIM and | |
4604 | * resets the HBA. At the end of the function, it calls lpfc_hba_down_post | |
4605 | * function to free any pending commands. The function enables | |
4606 | * POST only during the first initialization. The function returns zero. | |
4607 | * The function does not guarantee completion of MBX_RESTART mailbox | |
4608 | * command before the return of this function. | |
4609 | **/ | |
da0436e9 JS |
4610 | static int |
4611 | lpfc_sli_brdrestart_s3(struct lpfc_hba *phba) | |
41415862 JW |
4612 | { |
4613 | MAILBOX_t *mb; | |
4614 | struct lpfc_sli *psli; | |
41415862 JW |
4615 | volatile uint32_t word0; |
4616 | void __iomem *to_slim; | |
0d878419 | 4617 | uint32_t hba_aer_enabled; |
41415862 | 4618 | |
2e0fef85 | 4619 | spin_lock_irq(&phba->hbalock); |
41415862 | 4620 | |
0d878419 JS |
4621 | /* Take PCIe device Advanced Error Reporting (AER) state */ |
4622 | hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED; | |
4623 | ||
41415862 JW |
4624 | psli = &phba->sli; |
4625 | ||
4626 | /* Restart HBA */ | |
4627 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 4628 | "0337 Restart HBA Data: x%x x%x\n", |
4492b739 JS |
4629 | (phba->pport) ? phba->pport->port_state : 0, |
4630 | psli->sli_flag); | |
41415862 JW |
4631 | |
4632 | word0 = 0; | |
4633 | mb = (MAILBOX_t *) &word0; | |
4634 | mb->mbxCommand = MBX_RESTART; | |
4635 | mb->mbxHc = 1; | |
4636 | ||
9290831f JS |
4637 | lpfc_reset_barrier(phba); |
4638 | ||
41415862 JW |
4639 | to_slim = phba->MBslimaddr; |
4640 | writel(*(uint32_t *) mb, to_slim); | |
4641 | readl(to_slim); /* flush */ | |
4642 | ||
4643 | /* Only skip post after fc_ffinit is completed */ | |
4492b739 | 4644 | if (phba->pport && phba->pport->port_state) |
41415862 | 4645 | word0 = 1; /* This is really setting up word1 */ |
eaf15d5b | 4646 | else |
41415862 | 4647 | word0 = 0; /* This is really setting up word1 */ |
65a29c16 | 4648 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
41415862 JW |
4649 | writel(*(uint32_t *) mb, to_slim); |
4650 | readl(to_slim); /* flush */ | |
dea3101e | 4651 | |
41415862 | 4652 | lpfc_sli_brdreset(phba); |
4492b739 JS |
4653 | if (phba->pport) |
4654 | phba->pport->stopped = 0; | |
2e0fef85 | 4655 | phba->link_state = LPFC_INIT_START; |
da0436e9 | 4656 | phba->hba_flag = 0; |
2e0fef85 | 4657 | spin_unlock_irq(&phba->hbalock); |
41415862 | 4658 | |
64ba8818 | 4659 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); |
c4d6204d | 4660 | psli->stats_start = ktime_get_seconds(); |
64ba8818 | 4661 | |
eaf15d5b JS |
4662 | /* Give the INITFF and Post time to settle. */ |
4663 | mdelay(100); | |
41415862 | 4664 | |
0d878419 JS |
4665 | /* Reset HBA AER if it was enabled, note hba_flag was reset above */ |
4666 | if (hba_aer_enabled) | |
4667 | pci_disable_pcie_error_reporting(phba->pcidev); | |
4668 | ||
41415862 | 4669 | lpfc_hba_down_post(phba); |
dea3101e | 4670 | |
4671 | return 0; | |
4672 | } | |
4673 | ||
da0436e9 JS |
4674 | /** |
4675 | * lpfc_sli_brdrestart_s4 - Restart the sli-4 hba | |
4676 | * @phba: Pointer to HBA context object. | |
4677 | * | |
4678 | * This function is called in the SLI initialization code path to restart | |
4679 | * a SLI4 HBA. The caller is not required to hold any lock. | |
4680 | * At the end of the function, it calls lpfc_hba_down_post function to | |
4681 | * free any pending commands. | |
4682 | **/ | |
4683 | static int | |
4684 | lpfc_sli_brdrestart_s4(struct lpfc_hba *phba) | |
4685 | { | |
4686 | struct lpfc_sli *psli = &phba->sli; | |
75baf696 | 4687 | uint32_t hba_aer_enabled; |
27b01b82 | 4688 | int rc; |
da0436e9 JS |
4689 | |
4690 | /* Restart HBA */ | |
4691 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4692 | "0296 Restart HBA Data: x%x x%x\n", | |
4693 | phba->pport->port_state, psli->sli_flag); | |
4694 | ||
75baf696 JS |
4695 | /* Take PCIe device Advanced Error Reporting (AER) state */ |
4696 | hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED; | |
4697 | ||
27b01b82 | 4698 | rc = lpfc_sli4_brdreset(phba); |
5a9eeff5 JS |
4699 | if (rc) |
4700 | return rc; | |
da0436e9 JS |
4701 | |
4702 | spin_lock_irq(&phba->hbalock); | |
4703 | phba->pport->stopped = 0; | |
4704 | phba->link_state = LPFC_INIT_START; | |
4705 | phba->hba_flag = 0; | |
4706 | spin_unlock_irq(&phba->hbalock); | |
4707 | ||
4708 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); | |
c4d6204d | 4709 | psli->stats_start = ktime_get_seconds(); |
da0436e9 | 4710 | |
75baf696 JS |
4711 | /* Reset HBA AER if it was enabled, note hba_flag was reset above */ |
4712 | if (hba_aer_enabled) | |
4713 | pci_disable_pcie_error_reporting(phba->pcidev); | |
4714 | ||
da0436e9 | 4715 | lpfc_hba_down_post(phba); |
569dbe84 | 4716 | lpfc_sli4_queue_destroy(phba); |
da0436e9 | 4717 | |
27b01b82 | 4718 | return rc; |
da0436e9 JS |
4719 | } |
4720 | ||
4721 | /** | |
4722 | * lpfc_sli_brdrestart - Wrapper func for restarting hba | |
4723 | * @phba: Pointer to HBA context object. | |
4724 | * | |
4725 | * This routine wraps the actual SLI3 or SLI4 hba restart routine from the | |
4726 | * API jump table function pointer from the lpfc_hba struct. | |
4727 | **/ | |
4728 | int | |
4729 | lpfc_sli_brdrestart(struct lpfc_hba *phba) | |
4730 | { | |
4731 | return phba->lpfc_sli_brdrestart(phba); | |
4732 | } | |
4733 | ||
e59058c4 | 4734 | /** |
3621a710 | 4735 | * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart |
e59058c4 JS |
4736 | * @phba: Pointer to HBA context object. |
4737 | * | |
4738 | * This function is called after a HBA restart to wait for successful | |
4739 | * restart of the HBA. Successful restart of the HBA is indicated by | |
4740 | * HS_FFRDY and HS_MBRDY bits. If the HBA fails to restart even after 15 | |
4741 | * iteration, the function will restart the HBA again. The function returns | |
4742 | * zero if HBA successfully restarted else returns negative error code. | |
4743 | **/ | |
4492b739 | 4744 | int |
dea3101e | 4745 | lpfc_sli_chipset_init(struct lpfc_hba *phba) |
4746 | { | |
4747 | uint32_t status, i = 0; | |
4748 | ||
4749 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4750 | if (lpfc_readl(phba->HSregaddr, &status)) |
4751 | return -EIO; | |
dea3101e | 4752 | |
4753 | /* Check status register to see what current state is */ | |
4754 | i = 0; | |
4755 | while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) { | |
4756 | ||
dcf2a4e0 JS |
4757 | /* Check every 10ms for 10 retries, then every 100ms for 90 |
4758 | * retries, then every 1 sec for 50 retires for a total of | |
4759 | * ~60 seconds before reset the board again and check every | |
4760 | * 1 sec for 50 retries. The up to 60 seconds before the | |
4761 | * board ready is required by the Falcon FIPS zeroization | |
4762 | * complete, and any reset the board in between shall cause | |
4763 | * restart of zeroization, further delay the board ready. | |
dea3101e | 4764 | */ |
dcf2a4e0 | 4765 | if (i++ >= 200) { |
dea3101e | 4766 | /* Adapter failed to init, timeout, status reg |
4767 | <status> */ | |
ed957684 | 4768 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4769 | "0436 Adapter failed to init, " |
09372820 JS |
4770 | "timeout, status reg x%x, " |
4771 | "FW Data: A8 x%x AC x%x\n", status, | |
4772 | readl(phba->MBslimaddr + 0xa8), | |
4773 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4774 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 4775 | return -ETIMEDOUT; |
4776 | } | |
4777 | ||
4778 | /* Check to see if any errors occurred during init */ | |
4779 | if (status & HS_FFERM) { | |
4780 | /* ERROR: During chipset initialization */ | |
4781 | /* Adapter failed to init, chipset, status reg | |
4782 | <status> */ | |
ed957684 | 4783 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4784 | "0437 Adapter failed to init, " |
09372820 JS |
4785 | "chipset, status reg x%x, " |
4786 | "FW Data: A8 x%x AC x%x\n", status, | |
4787 | readl(phba->MBslimaddr + 0xa8), | |
4788 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4789 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 4790 | return -EIO; |
4791 | } | |
4792 | ||
dcf2a4e0 | 4793 | if (i <= 10) |
dea3101e | 4794 | msleep(10); |
dcf2a4e0 JS |
4795 | else if (i <= 100) |
4796 | msleep(100); | |
4797 | else | |
4798 | msleep(1000); | |
dea3101e | 4799 | |
dcf2a4e0 JS |
4800 | if (i == 150) { |
4801 | /* Do post */ | |
92d7f7b0 | 4802 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 4803 | lpfc_sli_brdrestart(phba); |
dea3101e | 4804 | } |
4805 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4806 | if (lpfc_readl(phba->HSregaddr, &status)) |
4807 | return -EIO; | |
dea3101e | 4808 | } |
4809 | ||
4810 | /* Check to see if any errors occurred during init */ | |
4811 | if (status & HS_FFERM) { | |
4812 | /* ERROR: During chipset initialization */ | |
4813 | /* Adapter failed to init, chipset, status reg <status> */ | |
ed957684 | 4814 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4815 | "0438 Adapter failed to init, chipset, " |
09372820 JS |
4816 | "status reg x%x, " |
4817 | "FW Data: A8 x%x AC x%x\n", status, | |
4818 | readl(phba->MBslimaddr + 0xa8), | |
4819 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4820 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 4821 | return -EIO; |
4822 | } | |
4823 | ||
4824 | /* Clear all interrupt enable conditions */ | |
4825 | writel(0, phba->HCregaddr); | |
4826 | readl(phba->HCregaddr); /* flush */ | |
4827 | ||
4828 | /* setup host attn register */ | |
4829 | writel(0xffffffff, phba->HAregaddr); | |
4830 | readl(phba->HAregaddr); /* flush */ | |
4831 | return 0; | |
4832 | } | |
4833 | ||
e59058c4 | 4834 | /** |
3621a710 | 4835 | * lpfc_sli_hbq_count - Get the number of HBQs to be configured |
e59058c4 JS |
4836 | * |
4837 | * This function calculates and returns the number of HBQs required to be | |
4838 | * configured. | |
4839 | **/ | |
78b2d852 | 4840 | int |
ed957684 JS |
4841 | lpfc_sli_hbq_count(void) |
4842 | { | |
92d7f7b0 | 4843 | return ARRAY_SIZE(lpfc_hbq_defs); |
ed957684 JS |
4844 | } |
4845 | ||
e59058c4 | 4846 | /** |
3621a710 | 4847 | * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries |
e59058c4 JS |
4848 | * |
4849 | * This function adds the number of hbq entries in every HBQ to get | |
4850 | * the total number of hbq entries required for the HBA and returns | |
4851 | * the total count. | |
4852 | **/ | |
ed957684 JS |
4853 | static int |
4854 | lpfc_sli_hbq_entry_count(void) | |
4855 | { | |
4856 | int hbq_count = lpfc_sli_hbq_count(); | |
4857 | int count = 0; | |
4858 | int i; | |
4859 | ||
4860 | for (i = 0; i < hbq_count; ++i) | |
92d7f7b0 | 4861 | count += lpfc_hbq_defs[i]->entry_count; |
ed957684 JS |
4862 | return count; |
4863 | } | |
4864 | ||
e59058c4 | 4865 | /** |
3621a710 | 4866 | * lpfc_sli_hbq_size - Calculate memory required for all hbq entries |
e59058c4 JS |
4867 | * |
4868 | * This function calculates amount of memory required for all hbq entries | |
4869 | * to be configured and returns the total memory required. | |
4870 | **/ | |
dea3101e | 4871 | int |
ed957684 JS |
4872 | lpfc_sli_hbq_size(void) |
4873 | { | |
4874 | return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry); | |
4875 | } | |
4876 | ||
e59058c4 | 4877 | /** |
3621a710 | 4878 | * lpfc_sli_hbq_setup - configure and initialize HBQs |
e59058c4 JS |
4879 | * @phba: Pointer to HBA context object. |
4880 | * | |
4881 | * This function is called during the SLI initialization to configure | |
4882 | * all the HBQs and post buffers to the HBQ. The caller is not | |
4883 | * required to hold any locks. This function will return zero if successful | |
4884 | * else it will return negative error code. | |
4885 | **/ | |
ed957684 JS |
4886 | static int |
4887 | lpfc_sli_hbq_setup(struct lpfc_hba *phba) | |
4888 | { | |
4889 | int hbq_count = lpfc_sli_hbq_count(); | |
4890 | LPFC_MBOXQ_t *pmb; | |
4891 | MAILBOX_t *pmbox; | |
4892 | uint32_t hbqno; | |
4893 | uint32_t hbq_entry_index; | |
ed957684 | 4894 | |
92d7f7b0 JS |
4895 | /* Get a Mailbox buffer to setup mailbox |
4896 | * commands for HBA initialization | |
4897 | */ | |
ed957684 JS |
4898 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4899 | ||
4900 | if (!pmb) | |
4901 | return -ENOMEM; | |
4902 | ||
04c68496 | 4903 | pmbox = &pmb->u.mb; |
ed957684 JS |
4904 | |
4905 | /* Initialize the struct lpfc_sli_hbq structure for each hbq */ | |
4906 | phba->link_state = LPFC_INIT_MBX_CMDS; | |
3163f725 | 4907 | phba->hbq_in_use = 1; |
ed957684 JS |
4908 | |
4909 | hbq_entry_index = 0; | |
4910 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) { | |
4911 | phba->hbqs[hbqno].next_hbqPutIdx = 0; | |
4912 | phba->hbqs[hbqno].hbqPutIdx = 0; | |
4913 | phba->hbqs[hbqno].local_hbqGetIdx = 0; | |
4914 | phba->hbqs[hbqno].entry_count = | |
92d7f7b0 | 4915 | lpfc_hbq_defs[hbqno]->entry_count; |
51ef4c26 JS |
4916 | lpfc_config_hbq(phba, hbqno, lpfc_hbq_defs[hbqno], |
4917 | hbq_entry_index, pmb); | |
ed957684 JS |
4918 | hbq_entry_index += phba->hbqs[hbqno].entry_count; |
4919 | ||
4920 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { | |
4921 | /* Adapter failed to init, mbxCmd <cmd> CFG_RING, | |
4922 | mbxStatus <status>, ring <num> */ | |
4923 | ||
4924 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 4925 | LOG_SLI | LOG_VPORT, |
e8b62011 | 4926 | "1805 Adapter failed to init. " |
ed957684 | 4927 | "Data: x%x x%x x%x\n", |
e8b62011 | 4928 | pmbox->mbxCommand, |
ed957684 JS |
4929 | pmbox->mbxStatus, hbqno); |
4930 | ||
4931 | phba->link_state = LPFC_HBA_ERROR; | |
4932 | mempool_free(pmb, phba->mbox_mem_pool); | |
6e7288d9 | 4933 | return -ENXIO; |
ed957684 JS |
4934 | } |
4935 | } | |
4936 | phba->hbq_count = hbq_count; | |
4937 | ||
ed957684 JS |
4938 | mempool_free(pmb, phba->mbox_mem_pool); |
4939 | ||
92d7f7b0 | 4940 | /* Initially populate or replenish the HBQs */ |
d7c255b2 JS |
4941 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) |
4942 | lpfc_sli_hbqbuf_init_hbqs(phba, hbqno); | |
ed957684 JS |
4943 | return 0; |
4944 | } | |
4945 | ||
4f774513 JS |
4946 | /** |
4947 | * lpfc_sli4_rb_setup - Initialize and post RBs to HBA | |
4948 | * @phba: Pointer to HBA context object. | |
4949 | * | |
4950 | * This function is called during the SLI initialization to configure | |
4951 | * all the HBQs and post buffers to the HBQ. The caller is not | |
4952 | * required to hold any locks. This function will return zero if successful | |
4953 | * else it will return negative error code. | |
4954 | **/ | |
4955 | static int | |
4956 | lpfc_sli4_rb_setup(struct lpfc_hba *phba) | |
4957 | { | |
4958 | phba->hbq_in_use = 1; | |
895427bd JS |
4959 | phba->hbqs[LPFC_ELS_HBQ].entry_count = |
4960 | lpfc_hbq_defs[LPFC_ELS_HBQ]->entry_count; | |
4f774513 | 4961 | phba->hbq_count = 1; |
895427bd | 4962 | lpfc_sli_hbqbuf_init_hbqs(phba, LPFC_ELS_HBQ); |
4f774513 | 4963 | /* Initially populate or replenish the HBQs */ |
4f774513 JS |
4964 | return 0; |
4965 | } | |
4966 | ||
e59058c4 | 4967 | /** |
3621a710 | 4968 | * lpfc_sli_config_port - Issue config port mailbox command |
e59058c4 JS |
4969 | * @phba: Pointer to HBA context object. |
4970 | * @sli_mode: sli mode - 2/3 | |
4971 | * | |
183b8021 | 4972 | * This function is called by the sli initialization code path |
e59058c4 JS |
4973 | * to issue config_port mailbox command. This function restarts the |
4974 | * HBA firmware and issues a config_port mailbox command to configure | |
4975 | * the SLI interface in the sli mode specified by sli_mode | |
4976 | * variable. The caller is not required to hold any locks. | |
4977 | * The function returns 0 if successful, else returns negative error | |
4978 | * code. | |
4979 | **/ | |
9399627f JS |
4980 | int |
4981 | lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode) | |
dea3101e | 4982 | { |
4983 | LPFC_MBOXQ_t *pmb; | |
4984 | uint32_t resetcount = 0, rc = 0, done = 0; | |
4985 | ||
4986 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4987 | if (!pmb) { | |
2e0fef85 | 4988 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 4989 | return -ENOMEM; |
4990 | } | |
4991 | ||
ed957684 | 4992 | phba->sli_rev = sli_mode; |
dea3101e | 4993 | while (resetcount < 2 && !done) { |
2e0fef85 | 4994 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 4995 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 4996 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 4997 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 4998 | lpfc_sli_brdrestart(phba); |
dea3101e | 4999 | rc = lpfc_sli_chipset_init(phba); |
5000 | if (rc) | |
5001 | break; | |
5002 | ||
2e0fef85 | 5003 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 5004 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 5005 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 5006 | resetcount++; |
5007 | ||
ed957684 JS |
5008 | /* Call pre CONFIG_PORT mailbox command initialization. A |
5009 | * value of 0 means the call was successful. Any other | |
5010 | * nonzero value is a failure, but if ERESTART is returned, | |
5011 | * the driver may reset the HBA and try again. | |
5012 | */ | |
dea3101e | 5013 | rc = lpfc_config_port_prep(phba); |
5014 | if (rc == -ERESTART) { | |
ed957684 | 5015 | phba->link_state = LPFC_LINK_UNKNOWN; |
dea3101e | 5016 | continue; |
34b02dcd | 5017 | } else if (rc) |
dea3101e | 5018 | break; |
6d368e53 | 5019 | |
2e0fef85 | 5020 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e | 5021 | lpfc_config_port(phba, pmb); |
5022 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
34b02dcd JS |
5023 | phba->sli3_options &= ~(LPFC_SLI3_NPIV_ENABLED | |
5024 | LPFC_SLI3_HBQ_ENABLED | | |
5025 | LPFC_SLI3_CRP_ENABLED | | |
bc73905a | 5026 | LPFC_SLI3_DSS_ENABLED); |
ed957684 | 5027 | if (rc != MBX_SUCCESS) { |
dea3101e | 5028 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 5029 | "0442 Adapter failed to init, mbxCmd x%x " |
92d7f7b0 | 5030 | "CONFIG_PORT, mbxStatus x%x Data: x%x\n", |
04c68496 | 5031 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus, 0); |
2e0fef85 | 5032 | spin_lock_irq(&phba->hbalock); |
04c68496 | 5033 | phba->sli.sli_flag &= ~LPFC_SLI_ACTIVE; |
2e0fef85 JS |
5034 | spin_unlock_irq(&phba->hbalock); |
5035 | rc = -ENXIO; | |
04c68496 JS |
5036 | } else { |
5037 | /* Allow asynchronous mailbox command to go through */ | |
5038 | spin_lock_irq(&phba->hbalock); | |
5039 | phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
5040 | spin_unlock_irq(&phba->hbalock); | |
ed957684 | 5041 | done = 1; |
cb69f7de JS |
5042 | |
5043 | if ((pmb->u.mb.un.varCfgPort.casabt == 1) && | |
5044 | (pmb->u.mb.un.varCfgPort.gasabt == 0)) | |
5045 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5046 | "3110 Port did not grant ASABT\n"); | |
04c68496 | 5047 | } |
dea3101e | 5048 | } |
ed957684 JS |
5049 | if (!done) { |
5050 | rc = -EINVAL; | |
5051 | goto do_prep_failed; | |
5052 | } | |
04c68496 JS |
5053 | if (pmb->u.mb.un.varCfgPort.sli_mode == 3) { |
5054 | if (!pmb->u.mb.un.varCfgPort.cMA) { | |
34b02dcd JS |
5055 | rc = -ENXIO; |
5056 | goto do_prep_failed; | |
5057 | } | |
04c68496 | 5058 | if (phba->max_vpi && pmb->u.mb.un.varCfgPort.gmv) { |
34b02dcd | 5059 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; |
04c68496 JS |
5060 | phba->max_vpi = pmb->u.mb.un.varCfgPort.max_vpi; |
5061 | phba->max_vports = (phba->max_vpi > phba->max_vports) ? | |
5062 | phba->max_vpi : phba->max_vports; | |
5063 | ||
34b02dcd JS |
5064 | } else |
5065 | phba->max_vpi = 0; | |
bc73905a JS |
5066 | phba->fips_level = 0; |
5067 | phba->fips_spec_rev = 0; | |
5068 | if (pmb->u.mb.un.varCfgPort.gdss) { | |
04c68496 | 5069 | phba->sli3_options |= LPFC_SLI3_DSS_ENABLED; |
bc73905a JS |
5070 | phba->fips_level = pmb->u.mb.un.varCfgPort.fips_level; |
5071 | phba->fips_spec_rev = pmb->u.mb.un.varCfgPort.fips_rev; | |
5072 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5073 | "2850 Security Crypto Active. FIPS x%d " | |
5074 | "(Spec Rev: x%d)", | |
5075 | phba->fips_level, phba->fips_spec_rev); | |
5076 | } | |
5077 | if (pmb->u.mb.un.varCfgPort.sec_err) { | |
5078 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5079 | "2856 Config Port Security Crypto " | |
5080 | "Error: x%x ", | |
5081 | pmb->u.mb.un.varCfgPort.sec_err); | |
5082 | } | |
04c68496 | 5083 | if (pmb->u.mb.un.varCfgPort.gerbm) |
34b02dcd | 5084 | phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED; |
04c68496 | 5085 | if (pmb->u.mb.un.varCfgPort.gcrp) |
34b02dcd | 5086 | phba->sli3_options |= LPFC_SLI3_CRP_ENABLED; |
6e7288d9 JS |
5087 | |
5088 | phba->hbq_get = phba->mbox->us.s3_pgp.hbq_get; | |
5089 | phba->port_gp = phba->mbox->us.s3_pgp.port; | |
e2a0a9d6 | 5090 | |
f44ac12f JS |
5091 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) { |
5092 | if (pmb->u.mb.un.varCfgPort.gbg == 0) { | |
5093 | phba->cfg_enable_bg = 0; | |
5094 | phba->sli3_options &= ~LPFC_SLI3_BG_ENABLED; | |
e2a0a9d6 JS |
5095 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
5096 | "0443 Adapter did not grant " | |
5097 | "BlockGuard\n"); | |
f44ac12f | 5098 | } |
e2a0a9d6 | 5099 | } |
34b02dcd | 5100 | } else { |
8f34f4ce | 5101 | phba->hbq_get = NULL; |
34b02dcd | 5102 | phba->port_gp = phba->mbox->us.s2.port; |
d7c255b2 | 5103 | phba->max_vpi = 0; |
ed957684 | 5104 | } |
92d7f7b0 | 5105 | do_prep_failed: |
ed957684 JS |
5106 | mempool_free(pmb, phba->mbox_mem_pool); |
5107 | return rc; | |
5108 | } | |
5109 | ||
e59058c4 JS |
5110 | |
5111 | /** | |
183b8021 | 5112 | * lpfc_sli_hba_setup - SLI initialization function |
e59058c4 JS |
5113 | * @phba: Pointer to HBA context object. |
5114 | * | |
183b8021 MY |
5115 | * This function is the main SLI initialization function. This function |
5116 | * is called by the HBA initialization code, HBA reset code and HBA | |
e59058c4 JS |
5117 | * error attention handler code. Caller is not required to hold any |
5118 | * locks. This function issues config_port mailbox command to configure | |
5119 | * the SLI, setup iocb rings and HBQ rings. In the end the function | |
5120 | * calls the config_port_post function to issue init_link mailbox | |
5121 | * command and to start the discovery. The function will return zero | |
5122 | * if successful, else it will return negative error code. | |
5123 | **/ | |
ed957684 JS |
5124 | int |
5125 | lpfc_sli_hba_setup(struct lpfc_hba *phba) | |
5126 | { | |
5127 | uint32_t rc; | |
6d368e53 JS |
5128 | int mode = 3, i; |
5129 | int longs; | |
ed957684 | 5130 | |
12247e81 | 5131 | switch (phba->cfg_sli_mode) { |
ed957684 | 5132 | case 2: |
78b2d852 | 5133 | if (phba->cfg_enable_npiv) { |
92d7f7b0 | 5134 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
12247e81 | 5135 | "1824 NPIV enabled: Override sli_mode " |
92d7f7b0 | 5136 | "parameter (%d) to auto (0).\n", |
12247e81 | 5137 | phba->cfg_sli_mode); |
92d7f7b0 JS |
5138 | break; |
5139 | } | |
ed957684 JS |
5140 | mode = 2; |
5141 | break; | |
5142 | case 0: | |
5143 | case 3: | |
5144 | break; | |
5145 | default: | |
92d7f7b0 | 5146 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
12247e81 JS |
5147 | "1819 Unrecognized sli_mode parameter: %d.\n", |
5148 | phba->cfg_sli_mode); | |
ed957684 JS |
5149 | |
5150 | break; | |
5151 | } | |
b5c53958 | 5152 | phba->fcp_embed_io = 0; /* SLI4 FC support only */ |
ed957684 | 5153 | |
9399627f JS |
5154 | rc = lpfc_sli_config_port(phba, mode); |
5155 | ||
12247e81 | 5156 | if (rc && phba->cfg_sli_mode == 3) |
92d7f7b0 | 5157 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
e8b62011 JS |
5158 | "1820 Unable to select SLI-3. " |
5159 | "Not supported by adapter.\n"); | |
ed957684 | 5160 | if (rc && mode != 2) |
9399627f | 5161 | rc = lpfc_sli_config_port(phba, 2); |
4597663f JS |
5162 | else if (rc && mode == 2) |
5163 | rc = lpfc_sli_config_port(phba, 3); | |
ed957684 | 5164 | if (rc) |
dea3101e | 5165 | goto lpfc_sli_hba_setup_error; |
5166 | ||
0d878419 JS |
5167 | /* Enable PCIe device Advanced Error Reporting (AER) if configured */ |
5168 | if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) { | |
5169 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
5170 | if (!rc) { | |
5171 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5172 | "2709 This device supports " | |
5173 | "Advanced Error Reporting (AER)\n"); | |
5174 | spin_lock_irq(&phba->hbalock); | |
5175 | phba->hba_flag |= HBA_AER_ENABLED; | |
5176 | spin_unlock_irq(&phba->hbalock); | |
5177 | } else { | |
5178 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5179 | "2708 This device does not support " | |
b069d7eb JS |
5180 | "Advanced Error Reporting (AER): %d\n", |
5181 | rc); | |
0d878419 JS |
5182 | phba->cfg_aer_support = 0; |
5183 | } | |
5184 | } | |
5185 | ||
ed957684 JS |
5186 | if (phba->sli_rev == 3) { |
5187 | phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE; | |
5188 | phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE; | |
ed957684 JS |
5189 | } else { |
5190 | phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE; | |
5191 | phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE; | |
92d7f7b0 | 5192 | phba->sli3_options = 0; |
ed957684 JS |
5193 | } |
5194 | ||
5195 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
5196 | "0444 Firmware in SLI %x mode. Max_vpi %d\n", |
5197 | phba->sli_rev, phba->max_vpi); | |
ed957684 | 5198 | rc = lpfc_sli_ring_map(phba); |
dea3101e | 5199 | |
5200 | if (rc) | |
5201 | goto lpfc_sli_hba_setup_error; | |
5202 | ||
6d368e53 JS |
5203 | /* Initialize VPIs. */ |
5204 | if (phba->sli_rev == LPFC_SLI_REV3) { | |
5205 | /* | |
5206 | * The VPI bitmask and physical ID array are allocated | |
5207 | * and initialized once only - at driver load. A port | |
5208 | * reset doesn't need to reinitialize this memory. | |
5209 | */ | |
5210 | if ((phba->vpi_bmask == NULL) && (phba->vpi_ids == NULL)) { | |
5211 | longs = (phba->max_vpi + BITS_PER_LONG) / BITS_PER_LONG; | |
6396bb22 KC |
5212 | phba->vpi_bmask = kcalloc(longs, |
5213 | sizeof(unsigned long), | |
6d368e53 JS |
5214 | GFP_KERNEL); |
5215 | if (!phba->vpi_bmask) { | |
5216 | rc = -ENOMEM; | |
5217 | goto lpfc_sli_hba_setup_error; | |
5218 | } | |
5219 | ||
6396bb22 KC |
5220 | phba->vpi_ids = kcalloc(phba->max_vpi + 1, |
5221 | sizeof(uint16_t), | |
5222 | GFP_KERNEL); | |
6d368e53 JS |
5223 | if (!phba->vpi_ids) { |
5224 | kfree(phba->vpi_bmask); | |
5225 | rc = -ENOMEM; | |
5226 | goto lpfc_sli_hba_setup_error; | |
5227 | } | |
5228 | for (i = 0; i < phba->max_vpi; i++) | |
5229 | phba->vpi_ids[i] = i; | |
5230 | } | |
5231 | } | |
5232 | ||
9399627f | 5233 | /* Init HBQs */ |
ed957684 JS |
5234 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
5235 | rc = lpfc_sli_hbq_setup(phba); | |
5236 | if (rc) | |
5237 | goto lpfc_sli_hba_setup_error; | |
5238 | } | |
04c68496 | 5239 | spin_lock_irq(&phba->hbalock); |
dea3101e | 5240 | phba->sli.sli_flag |= LPFC_PROCESS_LA; |
04c68496 | 5241 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 5242 | |
5243 | rc = lpfc_config_port_post(phba); | |
5244 | if (rc) | |
5245 | goto lpfc_sli_hba_setup_error; | |
5246 | ||
ed957684 JS |
5247 | return rc; |
5248 | ||
92d7f7b0 | 5249 | lpfc_sli_hba_setup_error: |
2e0fef85 | 5250 | phba->link_state = LPFC_HBA_ERROR; |
e40a02c1 | 5251 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 5252 | "0445 Firmware initialization failed\n"); |
dea3101e | 5253 | return rc; |
5254 | } | |
5255 | ||
e59058c4 | 5256 | /** |
da0436e9 JS |
5257 | * lpfc_sli4_read_fcoe_params - Read fcoe params from conf region |
5258 | * @phba: Pointer to HBA context object. | |
5259 | * @mboxq: mailbox pointer. | |
5260 | * This function issue a dump mailbox command to read config region | |
5261 | * 23 and parse the records in the region and populate driver | |
5262 | * data structure. | |
e59058c4 | 5263 | **/ |
da0436e9 | 5264 | static int |
ff78d8f9 | 5265 | lpfc_sli4_read_fcoe_params(struct lpfc_hba *phba) |
dea3101e | 5266 | { |
ff78d8f9 | 5267 | LPFC_MBOXQ_t *mboxq; |
da0436e9 JS |
5268 | struct lpfc_dmabuf *mp; |
5269 | struct lpfc_mqe *mqe; | |
5270 | uint32_t data_length; | |
5271 | int rc; | |
dea3101e | 5272 | |
da0436e9 JS |
5273 | /* Program the default value of vlan_id and fc_map */ |
5274 | phba->valid_vlan = 0; | |
5275 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
5276 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
5277 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
2e0fef85 | 5278 | |
ff78d8f9 JS |
5279 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5280 | if (!mboxq) | |
da0436e9 JS |
5281 | return -ENOMEM; |
5282 | ||
ff78d8f9 JS |
5283 | mqe = &mboxq->u.mqe; |
5284 | if (lpfc_sli4_dump_cfg_rg23(phba, mboxq)) { | |
5285 | rc = -ENOMEM; | |
5286 | goto out_free_mboxq; | |
5287 | } | |
5288 | ||
3e1f0718 | 5289 | mp = (struct lpfc_dmabuf *)mboxq->ctx_buf; |
da0436e9 JS |
5290 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); |
5291 | ||
5292 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
5293 | "(%d):2571 Mailbox cmd x%x Status x%x " | |
5294 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x " | |
5295 | "x%x x%x x%x x%x x%x x%x x%x x%x x%x " | |
5296 | "CQ: x%x x%x x%x x%x\n", | |
5297 | mboxq->vport ? mboxq->vport->vpi : 0, | |
5298 | bf_get(lpfc_mqe_command, mqe), | |
5299 | bf_get(lpfc_mqe_status, mqe), | |
5300 | mqe->un.mb_words[0], mqe->un.mb_words[1], | |
5301 | mqe->un.mb_words[2], mqe->un.mb_words[3], | |
5302 | mqe->un.mb_words[4], mqe->un.mb_words[5], | |
5303 | mqe->un.mb_words[6], mqe->un.mb_words[7], | |
5304 | mqe->un.mb_words[8], mqe->un.mb_words[9], | |
5305 | mqe->un.mb_words[10], mqe->un.mb_words[11], | |
5306 | mqe->un.mb_words[12], mqe->un.mb_words[13], | |
5307 | mqe->un.mb_words[14], mqe->un.mb_words[15], | |
5308 | mqe->un.mb_words[16], mqe->un.mb_words[50], | |
5309 | mboxq->mcqe.word0, | |
5310 | mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1, | |
5311 | mboxq->mcqe.trailer); | |
5312 | ||
5313 | if (rc) { | |
5314 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
5315 | kfree(mp); | |
ff78d8f9 JS |
5316 | rc = -EIO; |
5317 | goto out_free_mboxq; | |
da0436e9 JS |
5318 | } |
5319 | data_length = mqe->un.mb_words[5]; | |
a0c87cbd | 5320 | if (data_length > DMP_RGN23_SIZE) { |
d11e31dd JS |
5321 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
5322 | kfree(mp); | |
ff78d8f9 JS |
5323 | rc = -EIO; |
5324 | goto out_free_mboxq; | |
d11e31dd | 5325 | } |
dea3101e | 5326 | |
da0436e9 JS |
5327 | lpfc_parse_fcoe_conf(phba, mp->virt, data_length); |
5328 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
5329 | kfree(mp); | |
ff78d8f9 JS |
5330 | rc = 0; |
5331 | ||
5332 | out_free_mboxq: | |
5333 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5334 | return rc; | |
da0436e9 | 5335 | } |
e59058c4 JS |
5336 | |
5337 | /** | |
da0436e9 JS |
5338 | * lpfc_sli4_read_rev - Issue READ_REV and collect vpd data |
5339 | * @phba: pointer to lpfc hba data structure. | |
5340 | * @mboxq: pointer to the LPFC_MBOXQ_t structure. | |
5341 | * @vpd: pointer to the memory to hold resulting port vpd data. | |
5342 | * @vpd_size: On input, the number of bytes allocated to @vpd. | |
5343 | * On output, the number of data bytes in @vpd. | |
e59058c4 | 5344 | * |
da0436e9 JS |
5345 | * This routine executes a READ_REV SLI4 mailbox command. In |
5346 | * addition, this routine gets the port vpd data. | |
5347 | * | |
5348 | * Return codes | |
af901ca1 | 5349 | * 0 - successful |
d439d286 | 5350 | * -ENOMEM - could not allocated memory. |
e59058c4 | 5351 | **/ |
da0436e9 JS |
5352 | static int |
5353 | lpfc_sli4_read_rev(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
5354 | uint8_t *vpd, uint32_t *vpd_size) | |
dea3101e | 5355 | { |
da0436e9 JS |
5356 | int rc = 0; |
5357 | uint32_t dma_size; | |
5358 | struct lpfc_dmabuf *dmabuf; | |
5359 | struct lpfc_mqe *mqe; | |
dea3101e | 5360 | |
da0436e9 JS |
5361 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
5362 | if (!dmabuf) | |
5363 | return -ENOMEM; | |
5364 | ||
5365 | /* | |
5366 | * Get a DMA buffer for the vpd data resulting from the READ_REV | |
5367 | * mailbox command. | |
a257bf90 | 5368 | */ |
da0436e9 | 5369 | dma_size = *vpd_size; |
1aee383d JP |
5370 | dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, dma_size, |
5371 | &dmabuf->phys, GFP_KERNEL); | |
da0436e9 JS |
5372 | if (!dmabuf->virt) { |
5373 | kfree(dmabuf); | |
5374 | return -ENOMEM; | |
a257bf90 JS |
5375 | } |
5376 | ||
da0436e9 JS |
5377 | /* |
5378 | * The SLI4 implementation of READ_REV conflicts at word1, | |
5379 | * bits 31:16 and SLI4 adds vpd functionality not present | |
5380 | * in SLI3. This code corrects the conflicts. | |
1dcb58e5 | 5381 | */ |
da0436e9 JS |
5382 | lpfc_read_rev(phba, mboxq); |
5383 | mqe = &mboxq->u.mqe; | |
5384 | mqe->un.read_rev.vpd_paddr_high = putPaddrHigh(dmabuf->phys); | |
5385 | mqe->un.read_rev.vpd_paddr_low = putPaddrLow(dmabuf->phys); | |
5386 | mqe->un.read_rev.word1 &= 0x0000FFFF; | |
5387 | bf_set(lpfc_mbx_rd_rev_vpd, &mqe->un.read_rev, 1); | |
5388 | bf_set(lpfc_mbx_rd_rev_avail_len, &mqe->un.read_rev, dma_size); | |
5389 | ||
5390 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5391 | if (rc) { | |
5392 | dma_free_coherent(&phba->pcidev->dev, dma_size, | |
5393 | dmabuf->virt, dmabuf->phys); | |
def9c7a9 | 5394 | kfree(dmabuf); |
da0436e9 JS |
5395 | return -EIO; |
5396 | } | |
1dcb58e5 | 5397 | |
da0436e9 JS |
5398 | /* |
5399 | * The available vpd length cannot be bigger than the | |
5400 | * DMA buffer passed to the port. Catch the less than | |
5401 | * case and update the caller's size. | |
5402 | */ | |
5403 | if (mqe->un.read_rev.avail_vpd_len < *vpd_size) | |
5404 | *vpd_size = mqe->un.read_rev.avail_vpd_len; | |
3772a991 | 5405 | |
d7c47992 JS |
5406 | memcpy(vpd, dmabuf->virt, *vpd_size); |
5407 | ||
da0436e9 JS |
5408 | dma_free_coherent(&phba->pcidev->dev, dma_size, |
5409 | dmabuf->virt, dmabuf->phys); | |
5410 | kfree(dmabuf); | |
5411 | return 0; | |
dea3101e | 5412 | } |
5413 | ||
cd1c8301 JS |
5414 | /** |
5415 | * lpfc_sli4_retrieve_pport_name - Retrieve SLI4 device physical port name | |
5416 | * @phba: pointer to lpfc hba data structure. | |
5417 | * | |
5418 | * This routine retrieves SLI4 device physical port name this PCI function | |
5419 | * is attached to. | |
5420 | * | |
5421 | * Return codes | |
4907cb7b | 5422 | * 0 - successful |
cd1c8301 JS |
5423 | * otherwise - failed to retrieve physical port name |
5424 | **/ | |
5425 | static int | |
5426 | lpfc_sli4_retrieve_pport_name(struct lpfc_hba *phba) | |
5427 | { | |
5428 | LPFC_MBOXQ_t *mboxq; | |
cd1c8301 JS |
5429 | struct lpfc_mbx_get_cntl_attributes *mbx_cntl_attr; |
5430 | struct lpfc_controller_attribute *cntl_attr; | |
5431 | struct lpfc_mbx_get_port_name *get_port_name; | |
5432 | void *virtaddr = NULL; | |
5433 | uint32_t alloclen, reqlen; | |
5434 | uint32_t shdr_status, shdr_add_status; | |
5435 | union lpfc_sli4_cfg_shdr *shdr; | |
5436 | char cport_name = 0; | |
5437 | int rc; | |
5438 | ||
5439 | /* We assume nothing at this point */ | |
5440 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL; | |
5441 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_NON; | |
5442 | ||
5443 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5444 | if (!mboxq) | |
5445 | return -ENOMEM; | |
cd1c8301 | 5446 | /* obtain link type and link number via READ_CONFIG */ |
ff78d8f9 JS |
5447 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL; |
5448 | lpfc_sli4_read_config(phba); | |
5449 | if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) | |
5450 | goto retrieve_ppname; | |
cd1c8301 JS |
5451 | |
5452 | /* obtain link type and link number via COMMON_GET_CNTL_ATTRIBUTES */ | |
5453 | reqlen = sizeof(struct lpfc_mbx_get_cntl_attributes); | |
5454 | alloclen = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5455 | LPFC_MBOX_OPCODE_GET_CNTL_ATTRIBUTES, reqlen, | |
5456 | LPFC_SLI4_MBX_NEMBED); | |
5457 | if (alloclen < reqlen) { | |
5458 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
5459 | "3084 Allocated DMA memory size (%d) is " | |
5460 | "less than the requested DMA memory size " | |
5461 | "(%d)\n", alloclen, reqlen); | |
5462 | rc = -ENOMEM; | |
5463 | goto out_free_mboxq; | |
5464 | } | |
5465 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5466 | virtaddr = mboxq->sge_array->addr[0]; | |
5467 | mbx_cntl_attr = (struct lpfc_mbx_get_cntl_attributes *)virtaddr; | |
5468 | shdr = &mbx_cntl_attr->cfg_shdr; | |
5469 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5470 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
5471 | if (shdr_status || shdr_add_status || rc) { | |
5472 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
5473 | "3085 Mailbox x%x (x%x/x%x) failed, " | |
5474 | "rc:x%x, status:x%x, add_status:x%x\n", | |
5475 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
5476 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
5477 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
5478 | rc, shdr_status, shdr_add_status); | |
5479 | rc = -ENXIO; | |
5480 | goto out_free_mboxq; | |
5481 | } | |
5482 | cntl_attr = &mbx_cntl_attr->cntl_attr; | |
5483 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL; | |
5484 | phba->sli4_hba.lnk_info.lnk_tp = | |
5485 | bf_get(lpfc_cntl_attr_lnk_type, cntl_attr); | |
5486 | phba->sli4_hba.lnk_info.lnk_no = | |
5487 | bf_get(lpfc_cntl_attr_lnk_numb, cntl_attr); | |
5488 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5489 | "3086 lnk_type:%d, lnk_numb:%d\n", | |
5490 | phba->sli4_hba.lnk_info.lnk_tp, | |
5491 | phba->sli4_hba.lnk_info.lnk_no); | |
5492 | ||
5493 | retrieve_ppname: | |
5494 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5495 | LPFC_MBOX_OPCODE_GET_PORT_NAME, | |
5496 | sizeof(struct lpfc_mbx_get_port_name) - | |
5497 | sizeof(struct lpfc_sli4_cfg_mhdr), | |
5498 | LPFC_SLI4_MBX_EMBED); | |
5499 | get_port_name = &mboxq->u.mqe.un.get_port_name; | |
5500 | shdr = (union lpfc_sli4_cfg_shdr *)&get_port_name->header.cfg_shdr; | |
5501 | bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_OPCODE_VERSION_1); | |
5502 | bf_set(lpfc_mbx_get_port_name_lnk_type, &get_port_name->u.request, | |
5503 | phba->sli4_hba.lnk_info.lnk_tp); | |
5504 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5505 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5506 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
5507 | if (shdr_status || shdr_add_status || rc) { | |
5508 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
5509 | "3087 Mailbox x%x (x%x/x%x) failed: " | |
5510 | "rc:x%x, status:x%x, add_status:x%x\n", | |
5511 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
5512 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
5513 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
5514 | rc, shdr_status, shdr_add_status); | |
5515 | rc = -ENXIO; | |
5516 | goto out_free_mboxq; | |
5517 | } | |
5518 | switch (phba->sli4_hba.lnk_info.lnk_no) { | |
5519 | case LPFC_LINK_NUMBER_0: | |
5520 | cport_name = bf_get(lpfc_mbx_get_port_name_name0, | |
5521 | &get_port_name->u.response); | |
5522 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5523 | break; | |
5524 | case LPFC_LINK_NUMBER_1: | |
5525 | cport_name = bf_get(lpfc_mbx_get_port_name_name1, | |
5526 | &get_port_name->u.response); | |
5527 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5528 | break; | |
5529 | case LPFC_LINK_NUMBER_2: | |
5530 | cport_name = bf_get(lpfc_mbx_get_port_name_name2, | |
5531 | &get_port_name->u.response); | |
5532 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5533 | break; | |
5534 | case LPFC_LINK_NUMBER_3: | |
5535 | cport_name = bf_get(lpfc_mbx_get_port_name_name3, | |
5536 | &get_port_name->u.response); | |
5537 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5538 | break; | |
5539 | default: | |
5540 | break; | |
5541 | } | |
5542 | ||
5543 | if (phba->sli4_hba.pport_name_sta == LPFC_SLI4_PPNAME_GET) { | |
5544 | phba->Port[0] = cport_name; | |
5545 | phba->Port[1] = '\0'; | |
5546 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5547 | "3091 SLI get port name: %s\n", phba->Port); | |
5548 | } | |
5549 | ||
5550 | out_free_mboxq: | |
5551 | if (rc != MBX_TIMEOUT) { | |
5552 | if (bf_get(lpfc_mqe_command, &mboxq->u.mqe) == MBX_SLI4_CONFIG) | |
5553 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
5554 | else | |
5555 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5556 | } | |
5557 | return rc; | |
5558 | } | |
5559 | ||
e59058c4 | 5560 | /** |
da0436e9 JS |
5561 | * lpfc_sli4_arm_cqeq_intr - Arm sli-4 device completion and event queues |
5562 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 5563 | * |
da0436e9 JS |
5564 | * This routine is called to explicitly arm the SLI4 device's completion and |
5565 | * event queues | |
5566 | **/ | |
5567 | static void | |
5568 | lpfc_sli4_arm_cqeq_intr(struct lpfc_hba *phba) | |
5569 | { | |
895427bd | 5570 | int qidx; |
b71413dd | 5571 | struct lpfc_sli4_hba *sli4_hba = &phba->sli4_hba; |
cdb42bec | 5572 | struct lpfc_sli4_hdw_queue *qp; |
da0436e9 | 5573 | |
b71413dd JS |
5574 | sli4_hba->sli4_cq_release(sli4_hba->mbx_cq, LPFC_QUEUE_REARM); |
5575 | sli4_hba->sli4_cq_release(sli4_hba->els_cq, LPFC_QUEUE_REARM); | |
5576 | if (sli4_hba->nvmels_cq) | |
5577 | sli4_hba->sli4_cq_release(sli4_hba->nvmels_cq, | |
895427bd JS |
5578 | LPFC_QUEUE_REARM); |
5579 | ||
cdb42bec JS |
5580 | qp = sli4_hba->hdwq; |
5581 | if (sli4_hba->hdwq) { | |
5582 | for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { | |
5583 | sli4_hba->sli4_cq_release(qp[qidx].fcp_cq, | |
895427bd | 5584 | LPFC_QUEUE_REARM); |
cdb42bec | 5585 | sli4_hba->sli4_cq_release(qp[qidx].nvme_cq, |
895427bd | 5586 | LPFC_QUEUE_REARM); |
cdb42bec | 5587 | } |
1ba981fd | 5588 | |
cdb42bec JS |
5589 | for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) |
5590 | sli4_hba->sli4_eq_release(qp[qidx].hba_eq, | |
5591 | LPFC_QUEUE_REARM); | |
5592 | } | |
1ba981fd | 5593 | |
2d7dbc4c JS |
5594 | if (phba->nvmet_support) { |
5595 | for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++) { | |
b71413dd JS |
5596 | sli4_hba->sli4_cq_release( |
5597 | sli4_hba->nvmet_cqset[qidx], | |
2d7dbc4c JS |
5598 | LPFC_QUEUE_REARM); |
5599 | } | |
2e90f4b5 | 5600 | } |
da0436e9 JS |
5601 | } |
5602 | ||
6d368e53 JS |
5603 | /** |
5604 | * lpfc_sli4_get_avail_extnt_rsrc - Get available resource extent count. | |
5605 | * @phba: Pointer to HBA context object. | |
5606 | * @type: The resource extent type. | |
b76f2dc9 JS |
5607 | * @extnt_count: buffer to hold port available extent count. |
5608 | * @extnt_size: buffer to hold element count per extent. | |
6d368e53 | 5609 | * |
b76f2dc9 JS |
5610 | * This function calls the port and retrievs the number of available |
5611 | * extents and their size for a particular extent type. | |
5612 | * | |
5613 | * Returns: 0 if successful. Nonzero otherwise. | |
6d368e53 | 5614 | **/ |
b76f2dc9 | 5615 | int |
6d368e53 JS |
5616 | lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type, |
5617 | uint16_t *extnt_count, uint16_t *extnt_size) | |
5618 | { | |
5619 | int rc = 0; | |
5620 | uint32_t length; | |
5621 | uint32_t mbox_tmo; | |
5622 | struct lpfc_mbx_get_rsrc_extent_info *rsrc_info; | |
5623 | LPFC_MBOXQ_t *mbox; | |
5624 | ||
5625 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5626 | if (!mbox) | |
5627 | return -ENOMEM; | |
5628 | ||
5629 | /* Find out how many extents are available for this resource type */ | |
5630 | length = (sizeof(struct lpfc_mbx_get_rsrc_extent_info) - | |
5631 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
5632 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5633 | LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO, | |
5634 | length, LPFC_SLI4_MBX_EMBED); | |
5635 | ||
5636 | /* Send an extents count of 0 - the GET doesn't use it. */ | |
5637 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type, | |
5638 | LPFC_SLI4_MBX_EMBED); | |
5639 | if (unlikely(rc)) { | |
5640 | rc = -EIO; | |
5641 | goto err_exit; | |
5642 | } | |
5643 | ||
5644 | if (!phba->sli4_hba.intr_enable) | |
5645 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5646 | else { | |
a183a15f | 5647 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5648 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5649 | } | |
5650 | if (unlikely(rc)) { | |
5651 | rc = -EIO; | |
5652 | goto err_exit; | |
5653 | } | |
5654 | ||
5655 | rsrc_info = &mbox->u.mqe.un.rsrc_extent_info; | |
5656 | if (bf_get(lpfc_mbox_hdr_status, | |
5657 | &rsrc_info->header.cfg_shdr.response)) { | |
5658 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
5659 | "2930 Failed to get resource extents " | |
5660 | "Status 0x%x Add'l Status 0x%x\n", | |
5661 | bf_get(lpfc_mbox_hdr_status, | |
5662 | &rsrc_info->header.cfg_shdr.response), | |
5663 | bf_get(lpfc_mbox_hdr_add_status, | |
5664 | &rsrc_info->header.cfg_shdr.response)); | |
5665 | rc = -EIO; | |
5666 | goto err_exit; | |
5667 | } | |
5668 | ||
5669 | *extnt_count = bf_get(lpfc_mbx_get_rsrc_extent_info_cnt, | |
5670 | &rsrc_info->u.rsp); | |
5671 | *extnt_size = bf_get(lpfc_mbx_get_rsrc_extent_info_size, | |
5672 | &rsrc_info->u.rsp); | |
8a9d2e80 JS |
5673 | |
5674 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5675 | "3162 Retrieved extents type-%d from port: count:%d, " | |
5676 | "size:%d\n", type, *extnt_count, *extnt_size); | |
5677 | ||
5678 | err_exit: | |
6d368e53 JS |
5679 | mempool_free(mbox, phba->mbox_mem_pool); |
5680 | return rc; | |
5681 | } | |
5682 | ||
5683 | /** | |
5684 | * lpfc_sli4_chk_avail_extnt_rsrc - Check for available SLI4 resource extents. | |
5685 | * @phba: Pointer to HBA context object. | |
5686 | * @type: The extent type to check. | |
5687 | * | |
5688 | * This function reads the current available extents from the port and checks | |
5689 | * if the extent count or extent size has changed since the last access. | |
5690 | * Callers use this routine post port reset to understand if there is a | |
5691 | * extent reprovisioning requirement. | |
5692 | * | |
5693 | * Returns: | |
5694 | * -Error: error indicates problem. | |
5695 | * 1: Extent count or size has changed. | |
5696 | * 0: No changes. | |
5697 | **/ | |
5698 | static int | |
5699 | lpfc_sli4_chk_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type) | |
5700 | { | |
5701 | uint16_t curr_ext_cnt, rsrc_ext_cnt; | |
5702 | uint16_t size_diff, rsrc_ext_size; | |
5703 | int rc = 0; | |
5704 | struct lpfc_rsrc_blks *rsrc_entry; | |
5705 | struct list_head *rsrc_blk_list = NULL; | |
5706 | ||
5707 | size_diff = 0; | |
5708 | curr_ext_cnt = 0; | |
5709 | rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type, | |
5710 | &rsrc_ext_cnt, | |
5711 | &rsrc_ext_size); | |
5712 | if (unlikely(rc)) | |
5713 | return -EIO; | |
5714 | ||
5715 | switch (type) { | |
5716 | case LPFC_RSC_TYPE_FCOE_RPI: | |
5717 | rsrc_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list; | |
5718 | break; | |
5719 | case LPFC_RSC_TYPE_FCOE_VPI: | |
5720 | rsrc_blk_list = &phba->lpfc_vpi_blk_list; | |
5721 | break; | |
5722 | case LPFC_RSC_TYPE_FCOE_XRI: | |
5723 | rsrc_blk_list = &phba->sli4_hba.lpfc_xri_blk_list; | |
5724 | break; | |
5725 | case LPFC_RSC_TYPE_FCOE_VFI: | |
5726 | rsrc_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list; | |
5727 | break; | |
5728 | default: | |
5729 | break; | |
5730 | } | |
5731 | ||
5732 | list_for_each_entry(rsrc_entry, rsrc_blk_list, list) { | |
5733 | curr_ext_cnt++; | |
5734 | if (rsrc_entry->rsrc_size != rsrc_ext_size) | |
5735 | size_diff++; | |
5736 | } | |
5737 | ||
5738 | if (curr_ext_cnt != rsrc_ext_cnt || size_diff != 0) | |
5739 | rc = 1; | |
5740 | ||
5741 | return rc; | |
5742 | } | |
5743 | ||
5744 | /** | |
5745 | * lpfc_sli4_cfg_post_extnts - | |
5746 | * @phba: Pointer to HBA context object. | |
5747 | * @extnt_cnt - number of available extents. | |
5748 | * @type - the extent type (rpi, xri, vfi, vpi). | |
5749 | * @emb - buffer to hold either MBX_EMBED or MBX_NEMBED operation. | |
5750 | * @mbox - pointer to the caller's allocated mailbox structure. | |
5751 | * | |
5752 | * This function executes the extents allocation request. It also | |
5753 | * takes care of the amount of memory needed to allocate or get the | |
5754 | * allocated extents. It is the caller's responsibility to evaluate | |
5755 | * the response. | |
5756 | * | |
5757 | * Returns: | |
5758 | * -Error: Error value describes the condition found. | |
5759 | * 0: if successful | |
5760 | **/ | |
5761 | static int | |
8a9d2e80 | 5762 | lpfc_sli4_cfg_post_extnts(struct lpfc_hba *phba, uint16_t extnt_cnt, |
6d368e53 JS |
5763 | uint16_t type, bool *emb, LPFC_MBOXQ_t *mbox) |
5764 | { | |
5765 | int rc = 0; | |
5766 | uint32_t req_len; | |
5767 | uint32_t emb_len; | |
5768 | uint32_t alloc_len, mbox_tmo; | |
5769 | ||
5770 | /* Calculate the total requested length of the dma memory */ | |
8a9d2e80 | 5771 | req_len = extnt_cnt * sizeof(uint16_t); |
6d368e53 JS |
5772 | |
5773 | /* | |
5774 | * Calculate the size of an embedded mailbox. The uint32_t | |
5775 | * accounts for extents-specific word. | |
5776 | */ | |
5777 | emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) - | |
5778 | sizeof(uint32_t); | |
5779 | ||
5780 | /* | |
5781 | * Presume the allocation and response will fit into an embedded | |
5782 | * mailbox. If not true, reconfigure to a non-embedded mailbox. | |
5783 | */ | |
5784 | *emb = LPFC_SLI4_MBX_EMBED; | |
5785 | if (req_len > emb_len) { | |
8a9d2e80 | 5786 | req_len = extnt_cnt * sizeof(uint16_t) + |
6d368e53 JS |
5787 | sizeof(union lpfc_sli4_cfg_shdr) + |
5788 | sizeof(uint32_t); | |
5789 | *emb = LPFC_SLI4_MBX_NEMBED; | |
5790 | } | |
5791 | ||
5792 | alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5793 | LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT, | |
5794 | req_len, *emb); | |
5795 | if (alloc_len < req_len) { | |
5796 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
b76f2dc9 | 5797 | "2982 Allocated DMA memory size (x%x) is " |
6d368e53 JS |
5798 | "less than the requested DMA memory " |
5799 | "size (x%x)\n", alloc_len, req_len); | |
5800 | return -ENOMEM; | |
5801 | } | |
8a9d2e80 | 5802 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, extnt_cnt, type, *emb); |
6d368e53 JS |
5803 | if (unlikely(rc)) |
5804 | return -EIO; | |
5805 | ||
5806 | if (!phba->sli4_hba.intr_enable) | |
5807 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5808 | else { | |
a183a15f | 5809 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5810 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5811 | } | |
5812 | ||
5813 | if (unlikely(rc)) | |
5814 | rc = -EIO; | |
5815 | return rc; | |
5816 | } | |
5817 | ||
5818 | /** | |
5819 | * lpfc_sli4_alloc_extent - Allocate an SLI4 resource extent. | |
5820 | * @phba: Pointer to HBA context object. | |
5821 | * @type: The resource extent type to allocate. | |
5822 | * | |
5823 | * This function allocates the number of elements for the specified | |
5824 | * resource type. | |
5825 | **/ | |
5826 | static int | |
5827 | lpfc_sli4_alloc_extent(struct lpfc_hba *phba, uint16_t type) | |
5828 | { | |
5829 | bool emb = false; | |
5830 | uint16_t rsrc_id_cnt, rsrc_cnt, rsrc_size; | |
5831 | uint16_t rsrc_id, rsrc_start, j, k; | |
5832 | uint16_t *ids; | |
5833 | int i, rc; | |
5834 | unsigned long longs; | |
5835 | unsigned long *bmask; | |
5836 | struct lpfc_rsrc_blks *rsrc_blks; | |
5837 | LPFC_MBOXQ_t *mbox; | |
5838 | uint32_t length; | |
5839 | struct lpfc_id_range *id_array = NULL; | |
5840 | void *virtaddr = NULL; | |
5841 | struct lpfc_mbx_nembed_rsrc_extent *n_rsrc; | |
5842 | struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext; | |
5843 | struct list_head *ext_blk_list; | |
5844 | ||
5845 | rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type, | |
5846 | &rsrc_cnt, | |
5847 | &rsrc_size); | |
5848 | if (unlikely(rc)) | |
5849 | return -EIO; | |
5850 | ||
5851 | if ((rsrc_cnt == 0) || (rsrc_size == 0)) { | |
5852 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
5853 | "3009 No available Resource Extents " | |
5854 | "for resource type 0x%x: Count: 0x%x, " | |
5855 | "Size 0x%x\n", type, rsrc_cnt, | |
5856 | rsrc_size); | |
5857 | return -ENOMEM; | |
5858 | } | |
5859 | ||
8a9d2e80 JS |
5860 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_INIT | LOG_SLI, |
5861 | "2903 Post resource extents type-0x%x: " | |
5862 | "count:%d, size %d\n", type, rsrc_cnt, rsrc_size); | |
6d368e53 JS |
5863 | |
5864 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5865 | if (!mbox) | |
5866 | return -ENOMEM; | |
5867 | ||
8a9d2e80 | 5868 | rc = lpfc_sli4_cfg_post_extnts(phba, rsrc_cnt, type, &emb, mbox); |
6d368e53 JS |
5869 | if (unlikely(rc)) { |
5870 | rc = -EIO; | |
5871 | goto err_exit; | |
5872 | } | |
5873 | ||
5874 | /* | |
5875 | * Figure out where the response is located. Then get local pointers | |
5876 | * to the response data. The port does not guarantee to respond to | |
5877 | * all extents counts request so update the local variable with the | |
5878 | * allocated count from the port. | |
5879 | */ | |
5880 | if (emb == LPFC_SLI4_MBX_EMBED) { | |
5881 | rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents; | |
5882 | id_array = &rsrc_ext->u.rsp.id[0]; | |
5883 | rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp); | |
5884 | } else { | |
5885 | virtaddr = mbox->sge_array->addr[0]; | |
5886 | n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; | |
5887 | rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc); | |
5888 | id_array = &n_rsrc->id; | |
5889 | } | |
5890 | ||
5891 | longs = ((rsrc_cnt * rsrc_size) + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
5892 | rsrc_id_cnt = rsrc_cnt * rsrc_size; | |
5893 | ||
5894 | /* | |
5895 | * Based on the resource size and count, correct the base and max | |
5896 | * resource values. | |
5897 | */ | |
5898 | length = sizeof(struct lpfc_rsrc_blks); | |
5899 | switch (type) { | |
5900 | case LPFC_RSC_TYPE_FCOE_RPI: | |
6396bb22 | 5901 | phba->sli4_hba.rpi_bmask = kcalloc(longs, |
6d368e53 JS |
5902 | sizeof(unsigned long), |
5903 | GFP_KERNEL); | |
5904 | if (unlikely(!phba->sli4_hba.rpi_bmask)) { | |
5905 | rc = -ENOMEM; | |
5906 | goto err_exit; | |
5907 | } | |
6396bb22 | 5908 | phba->sli4_hba.rpi_ids = kcalloc(rsrc_id_cnt, |
6d368e53 JS |
5909 | sizeof(uint16_t), |
5910 | GFP_KERNEL); | |
5911 | if (unlikely(!phba->sli4_hba.rpi_ids)) { | |
5912 | kfree(phba->sli4_hba.rpi_bmask); | |
5913 | rc = -ENOMEM; | |
5914 | goto err_exit; | |
5915 | } | |
5916 | ||
5917 | /* | |
5918 | * The next_rpi was initialized with the maximum available | |
5919 | * count but the port may allocate a smaller number. Catch | |
5920 | * that case and update the next_rpi. | |
5921 | */ | |
5922 | phba->sli4_hba.next_rpi = rsrc_id_cnt; | |
5923 | ||
5924 | /* Initialize local ptrs for common extent processing later. */ | |
5925 | bmask = phba->sli4_hba.rpi_bmask; | |
5926 | ids = phba->sli4_hba.rpi_ids; | |
5927 | ext_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list; | |
5928 | break; | |
5929 | case LPFC_RSC_TYPE_FCOE_VPI: | |
6396bb22 | 5930 | phba->vpi_bmask = kcalloc(longs, sizeof(unsigned long), |
6d368e53 JS |
5931 | GFP_KERNEL); |
5932 | if (unlikely(!phba->vpi_bmask)) { | |
5933 | rc = -ENOMEM; | |
5934 | goto err_exit; | |
5935 | } | |
6396bb22 | 5936 | phba->vpi_ids = kcalloc(rsrc_id_cnt, sizeof(uint16_t), |
6d368e53 JS |
5937 | GFP_KERNEL); |
5938 | if (unlikely(!phba->vpi_ids)) { | |
5939 | kfree(phba->vpi_bmask); | |
5940 | rc = -ENOMEM; | |
5941 | goto err_exit; | |
5942 | } | |
5943 | ||
5944 | /* Initialize local ptrs for common extent processing later. */ | |
5945 | bmask = phba->vpi_bmask; | |
5946 | ids = phba->vpi_ids; | |
5947 | ext_blk_list = &phba->lpfc_vpi_blk_list; | |
5948 | break; | |
5949 | case LPFC_RSC_TYPE_FCOE_XRI: | |
6396bb22 | 5950 | phba->sli4_hba.xri_bmask = kcalloc(longs, |
6d368e53 JS |
5951 | sizeof(unsigned long), |
5952 | GFP_KERNEL); | |
5953 | if (unlikely(!phba->sli4_hba.xri_bmask)) { | |
5954 | rc = -ENOMEM; | |
5955 | goto err_exit; | |
5956 | } | |
8a9d2e80 | 5957 | phba->sli4_hba.max_cfg_param.xri_used = 0; |
6396bb22 | 5958 | phba->sli4_hba.xri_ids = kcalloc(rsrc_id_cnt, |
6d368e53 JS |
5959 | sizeof(uint16_t), |
5960 | GFP_KERNEL); | |
5961 | if (unlikely(!phba->sli4_hba.xri_ids)) { | |
5962 | kfree(phba->sli4_hba.xri_bmask); | |
5963 | rc = -ENOMEM; | |
5964 | goto err_exit; | |
5965 | } | |
5966 | ||
5967 | /* Initialize local ptrs for common extent processing later. */ | |
5968 | bmask = phba->sli4_hba.xri_bmask; | |
5969 | ids = phba->sli4_hba.xri_ids; | |
5970 | ext_blk_list = &phba->sli4_hba.lpfc_xri_blk_list; | |
5971 | break; | |
5972 | case LPFC_RSC_TYPE_FCOE_VFI: | |
6396bb22 | 5973 | phba->sli4_hba.vfi_bmask = kcalloc(longs, |
6d368e53 JS |
5974 | sizeof(unsigned long), |
5975 | GFP_KERNEL); | |
5976 | if (unlikely(!phba->sli4_hba.vfi_bmask)) { | |
5977 | rc = -ENOMEM; | |
5978 | goto err_exit; | |
5979 | } | |
6396bb22 | 5980 | phba->sli4_hba.vfi_ids = kcalloc(rsrc_id_cnt, |
6d368e53 JS |
5981 | sizeof(uint16_t), |
5982 | GFP_KERNEL); | |
5983 | if (unlikely(!phba->sli4_hba.vfi_ids)) { | |
5984 | kfree(phba->sli4_hba.vfi_bmask); | |
5985 | rc = -ENOMEM; | |
5986 | goto err_exit; | |
5987 | } | |
5988 | ||
5989 | /* Initialize local ptrs for common extent processing later. */ | |
5990 | bmask = phba->sli4_hba.vfi_bmask; | |
5991 | ids = phba->sli4_hba.vfi_ids; | |
5992 | ext_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list; | |
5993 | break; | |
5994 | default: | |
5995 | /* Unsupported Opcode. Fail call. */ | |
5996 | id_array = NULL; | |
5997 | bmask = NULL; | |
5998 | ids = NULL; | |
5999 | ext_blk_list = NULL; | |
6000 | goto err_exit; | |
6001 | } | |
6002 | ||
6003 | /* | |
6004 | * Complete initializing the extent configuration with the | |
6005 | * allocated ids assigned to this function. The bitmask serves | |
6006 | * as an index into the array and manages the available ids. The | |
6007 | * array just stores the ids communicated to the port via the wqes. | |
6008 | */ | |
6009 | for (i = 0, j = 0, k = 0; i < rsrc_cnt; i++) { | |
6010 | if ((i % 2) == 0) | |
6011 | rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_0, | |
6012 | &id_array[k]); | |
6013 | else | |
6014 | rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_1, | |
6015 | &id_array[k]); | |
6016 | ||
6017 | rsrc_blks = kzalloc(length, GFP_KERNEL); | |
6018 | if (unlikely(!rsrc_blks)) { | |
6019 | rc = -ENOMEM; | |
6020 | kfree(bmask); | |
6021 | kfree(ids); | |
6022 | goto err_exit; | |
6023 | } | |
6024 | rsrc_blks->rsrc_start = rsrc_id; | |
6025 | rsrc_blks->rsrc_size = rsrc_size; | |
6026 | list_add_tail(&rsrc_blks->list, ext_blk_list); | |
6027 | rsrc_start = rsrc_id; | |
895427bd | 6028 | if ((type == LPFC_RSC_TYPE_FCOE_XRI) && (j == 0)) { |
5e5b511d | 6029 | phba->sli4_hba.io_xri_start = rsrc_start + |
895427bd | 6030 | lpfc_sli4_get_iocb_cnt(phba); |
895427bd | 6031 | } |
6d368e53 JS |
6032 | |
6033 | while (rsrc_id < (rsrc_start + rsrc_size)) { | |
6034 | ids[j] = rsrc_id; | |
6035 | rsrc_id++; | |
6036 | j++; | |
6037 | } | |
6038 | /* Entire word processed. Get next word.*/ | |
6039 | if ((i % 2) == 1) | |
6040 | k++; | |
6041 | } | |
6042 | err_exit: | |
6043 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
6044 | return rc; | |
6045 | } | |
6046 | ||
895427bd JS |
6047 | |
6048 | ||
6d368e53 JS |
6049 | /** |
6050 | * lpfc_sli4_dealloc_extent - Deallocate an SLI4 resource extent. | |
6051 | * @phba: Pointer to HBA context object. | |
6052 | * @type: the extent's type. | |
6053 | * | |
6054 | * This function deallocates all extents of a particular resource type. | |
6055 | * SLI4 does not allow for deallocating a particular extent range. It | |
6056 | * is the caller's responsibility to release all kernel memory resources. | |
6057 | **/ | |
6058 | static int | |
6059 | lpfc_sli4_dealloc_extent(struct lpfc_hba *phba, uint16_t type) | |
6060 | { | |
6061 | int rc; | |
6062 | uint32_t length, mbox_tmo = 0; | |
6063 | LPFC_MBOXQ_t *mbox; | |
6064 | struct lpfc_mbx_dealloc_rsrc_extents *dealloc_rsrc; | |
6065 | struct lpfc_rsrc_blks *rsrc_blk, *rsrc_blk_next; | |
6066 | ||
6067 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6068 | if (!mbox) | |
6069 | return -ENOMEM; | |
6070 | ||
6071 | /* | |
6072 | * This function sends an embedded mailbox because it only sends the | |
6073 | * the resource type. All extents of this type are released by the | |
6074 | * port. | |
6075 | */ | |
6076 | length = (sizeof(struct lpfc_mbx_dealloc_rsrc_extents) - | |
6077 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
6078 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6079 | LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT, | |
6080 | length, LPFC_SLI4_MBX_EMBED); | |
6081 | ||
6082 | /* Send an extents count of 0 - the dealloc doesn't use it. */ | |
6083 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type, | |
6084 | LPFC_SLI4_MBX_EMBED); | |
6085 | if (unlikely(rc)) { | |
6086 | rc = -EIO; | |
6087 | goto out_free_mbox; | |
6088 | } | |
6089 | if (!phba->sli4_hba.intr_enable) | |
6090 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6091 | else { | |
a183a15f | 6092 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
6093 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
6094 | } | |
6095 | if (unlikely(rc)) { | |
6096 | rc = -EIO; | |
6097 | goto out_free_mbox; | |
6098 | } | |
6099 | ||
6100 | dealloc_rsrc = &mbox->u.mqe.un.dealloc_rsrc_extents; | |
6101 | if (bf_get(lpfc_mbox_hdr_status, | |
6102 | &dealloc_rsrc->header.cfg_shdr.response)) { | |
6103 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
6104 | "2919 Failed to release resource extents " | |
6105 | "for type %d - Status 0x%x Add'l Status 0x%x. " | |
6106 | "Resource memory not released.\n", | |
6107 | type, | |
6108 | bf_get(lpfc_mbox_hdr_status, | |
6109 | &dealloc_rsrc->header.cfg_shdr.response), | |
6110 | bf_get(lpfc_mbox_hdr_add_status, | |
6111 | &dealloc_rsrc->header.cfg_shdr.response)); | |
6112 | rc = -EIO; | |
6113 | goto out_free_mbox; | |
6114 | } | |
6115 | ||
6116 | /* Release kernel memory resources for the specific type. */ | |
6117 | switch (type) { | |
6118 | case LPFC_RSC_TYPE_FCOE_VPI: | |
6119 | kfree(phba->vpi_bmask); | |
6120 | kfree(phba->vpi_ids); | |
6121 | bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6122 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
6123 | &phba->lpfc_vpi_blk_list, list) { | |
6124 | list_del_init(&rsrc_blk->list); | |
6125 | kfree(rsrc_blk); | |
6126 | } | |
16a3a208 | 6127 | phba->sli4_hba.max_cfg_param.vpi_used = 0; |
6d368e53 JS |
6128 | break; |
6129 | case LPFC_RSC_TYPE_FCOE_XRI: | |
6130 | kfree(phba->sli4_hba.xri_bmask); | |
6131 | kfree(phba->sli4_hba.xri_ids); | |
6d368e53 JS |
6132 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, |
6133 | &phba->sli4_hba.lpfc_xri_blk_list, list) { | |
6134 | list_del_init(&rsrc_blk->list); | |
6135 | kfree(rsrc_blk); | |
6136 | } | |
6137 | break; | |
6138 | case LPFC_RSC_TYPE_FCOE_VFI: | |
6139 | kfree(phba->sli4_hba.vfi_bmask); | |
6140 | kfree(phba->sli4_hba.vfi_ids); | |
6141 | bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6142 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
6143 | &phba->sli4_hba.lpfc_vfi_blk_list, list) { | |
6144 | list_del_init(&rsrc_blk->list); | |
6145 | kfree(rsrc_blk); | |
6146 | } | |
6147 | break; | |
6148 | case LPFC_RSC_TYPE_FCOE_RPI: | |
6149 | /* RPI bitmask and physical id array are cleaned up earlier. */ | |
6150 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
6151 | &phba->sli4_hba.lpfc_rpi_blk_list, list) { | |
6152 | list_del_init(&rsrc_blk->list); | |
6153 | kfree(rsrc_blk); | |
6154 | } | |
6155 | break; | |
6156 | default: | |
6157 | break; | |
6158 | } | |
6159 | ||
6160 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6161 | ||
6162 | out_free_mbox: | |
6163 | mempool_free(mbox, phba->mbox_mem_pool); | |
6164 | return rc; | |
6165 | } | |
6166 | ||
bd4b3e5c | 6167 | static void |
7bdedb34 JS |
6168 | lpfc_set_features(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox, |
6169 | uint32_t feature) | |
65791f1f | 6170 | { |
65791f1f | 6171 | uint32_t len; |
65791f1f | 6172 | |
65791f1f JS |
6173 | len = sizeof(struct lpfc_mbx_set_feature) - |
6174 | sizeof(struct lpfc_sli4_cfg_mhdr); | |
6175 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6176 | LPFC_MBOX_OPCODE_SET_FEATURES, len, | |
6177 | LPFC_SLI4_MBX_EMBED); | |
7bdedb34 JS |
6178 | |
6179 | switch (feature) { | |
6180 | case LPFC_SET_UE_RECOVERY: | |
6181 | bf_set(lpfc_mbx_set_feature_UER, | |
6182 | &mbox->u.mqe.un.set_feature, 1); | |
6183 | mbox->u.mqe.un.set_feature.feature = LPFC_SET_UE_RECOVERY; | |
6184 | mbox->u.mqe.un.set_feature.param_len = 8; | |
6185 | break; | |
6186 | case LPFC_SET_MDS_DIAGS: | |
6187 | bf_set(lpfc_mbx_set_feature_mds, | |
6188 | &mbox->u.mqe.un.set_feature, 1); | |
6189 | bf_set(lpfc_mbx_set_feature_mds_deep_loopbk, | |
ae9e28f3 | 6190 | &mbox->u.mqe.un.set_feature, 1); |
7bdedb34 JS |
6191 | mbox->u.mqe.un.set_feature.feature = LPFC_SET_MDS_DIAGS; |
6192 | mbox->u.mqe.un.set_feature.param_len = 8; | |
6193 | break; | |
65791f1f | 6194 | } |
7bdedb34 JS |
6195 | |
6196 | return; | |
65791f1f JS |
6197 | } |
6198 | ||
1165a5c2 JS |
6199 | /** |
6200 | * lpfc_ras_stop_fwlog: Disable FW logging by the adapter | |
6201 | * @phba: Pointer to HBA context object. | |
6202 | * | |
6203 | * Disable FW logging into host memory on the adapter. To | |
6204 | * be done before reading logs from the host memory. | |
6205 | **/ | |
6206 | void | |
6207 | lpfc_ras_stop_fwlog(struct lpfc_hba *phba) | |
6208 | { | |
6209 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6210 | ||
6211 | ras_fwlog->ras_active = false; | |
6212 | ||
6213 | /* Disable FW logging to host memory */ | |
6214 | writel(LPFC_CTL_PDEV_CTL_DDL_RAS, | |
6215 | phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET); | |
6216 | } | |
6217 | ||
d2cc9bcd JS |
6218 | /** |
6219 | * lpfc_sli4_ras_dma_free - Free memory allocated for FW logging. | |
6220 | * @phba: Pointer to HBA context object. | |
6221 | * | |
6222 | * This function is called to free memory allocated for RAS FW logging | |
6223 | * support in the driver. | |
6224 | **/ | |
6225 | void | |
6226 | lpfc_sli4_ras_dma_free(struct lpfc_hba *phba) | |
6227 | { | |
6228 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6229 | struct lpfc_dmabuf *dmabuf, *next; | |
6230 | ||
6231 | if (!list_empty(&ras_fwlog->fwlog_buff_list)) { | |
6232 | list_for_each_entry_safe(dmabuf, next, | |
6233 | &ras_fwlog->fwlog_buff_list, | |
6234 | list) { | |
6235 | list_del(&dmabuf->list); | |
6236 | dma_free_coherent(&phba->pcidev->dev, | |
6237 | LPFC_RAS_MAX_ENTRY_SIZE, | |
6238 | dmabuf->virt, dmabuf->phys); | |
6239 | kfree(dmabuf); | |
6240 | } | |
6241 | } | |
6242 | ||
6243 | if (ras_fwlog->lwpd.virt) { | |
6244 | dma_free_coherent(&phba->pcidev->dev, | |
6245 | sizeof(uint32_t) * 2, | |
6246 | ras_fwlog->lwpd.virt, | |
6247 | ras_fwlog->lwpd.phys); | |
6248 | ras_fwlog->lwpd.virt = NULL; | |
6249 | } | |
6250 | ||
6251 | ras_fwlog->ras_active = false; | |
6252 | } | |
6253 | ||
6254 | /** | |
6255 | * lpfc_sli4_ras_dma_alloc: Allocate memory for FW support | |
6256 | * @phba: Pointer to HBA context object. | |
6257 | * @fwlog_buff_count: Count of buffers to be created. | |
6258 | * | |
6259 | * This routine DMA memory for Log Write Position Data[LPWD] and buffer | |
6260 | * to update FW log is posted to the adapter. | |
6261 | * Buffer count is calculated based on module param ras_fwlog_buffsize | |
6262 | * Size of each buffer posted to FW is 64K. | |
6263 | **/ | |
6264 | ||
6265 | static int | |
6266 | lpfc_sli4_ras_dma_alloc(struct lpfc_hba *phba, | |
6267 | uint32_t fwlog_buff_count) | |
6268 | { | |
6269 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6270 | struct lpfc_dmabuf *dmabuf; | |
6271 | int rc = 0, i = 0; | |
6272 | ||
6273 | /* Initialize List */ | |
6274 | INIT_LIST_HEAD(&ras_fwlog->fwlog_buff_list); | |
6275 | ||
6276 | /* Allocate memory for the LWPD */ | |
6277 | ras_fwlog->lwpd.virt = dma_alloc_coherent(&phba->pcidev->dev, | |
6278 | sizeof(uint32_t) * 2, | |
6279 | &ras_fwlog->lwpd.phys, | |
6280 | GFP_KERNEL); | |
6281 | if (!ras_fwlog->lwpd.virt) { | |
cb34990b | 6282 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
d2cc9bcd JS |
6283 | "6185 LWPD Memory Alloc Failed\n"); |
6284 | ||
6285 | return -ENOMEM; | |
6286 | } | |
6287 | ||
6288 | ras_fwlog->fw_buffcount = fwlog_buff_count; | |
6289 | for (i = 0; i < ras_fwlog->fw_buffcount; i++) { | |
6290 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), | |
6291 | GFP_KERNEL); | |
6292 | if (!dmabuf) { | |
6293 | rc = -ENOMEM; | |
6294 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6295 | "6186 Memory Alloc failed FW logging"); | |
6296 | goto free_mem; | |
6297 | } | |
6298 | ||
359d0ac1 | 6299 | dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, |
d2cc9bcd JS |
6300 | LPFC_RAS_MAX_ENTRY_SIZE, |
6301 | &dmabuf->phys, | |
6302 | GFP_KERNEL); | |
6303 | if (!dmabuf->virt) { | |
6304 | kfree(dmabuf); | |
6305 | rc = -ENOMEM; | |
6306 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6307 | "6187 DMA Alloc Failed FW logging"); | |
6308 | goto free_mem; | |
6309 | } | |
d2cc9bcd JS |
6310 | dmabuf->buffer_tag = i; |
6311 | list_add_tail(&dmabuf->list, &ras_fwlog->fwlog_buff_list); | |
6312 | } | |
6313 | ||
6314 | free_mem: | |
6315 | if (rc) | |
6316 | lpfc_sli4_ras_dma_free(phba); | |
6317 | ||
6318 | return rc; | |
6319 | } | |
6320 | ||
6321 | /** | |
6322 | * lpfc_sli4_ras_mbox_cmpl: Completion handler for RAS MBX command | |
6323 | * @phba: pointer to lpfc hba data structure. | |
6324 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
6325 | * | |
6326 | * Completion handler for driver's RAS MBX command to the device. | |
6327 | **/ | |
6328 | static void | |
6329 | lpfc_sli4_ras_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
6330 | { | |
6331 | MAILBOX_t *mb; | |
6332 | union lpfc_sli4_cfg_shdr *shdr; | |
6333 | uint32_t shdr_status, shdr_add_status; | |
6334 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6335 | ||
6336 | mb = &pmb->u.mb; | |
6337 | ||
6338 | shdr = (union lpfc_sli4_cfg_shdr *) | |
6339 | &pmb->u.mqe.un.ras_fwlog.header.cfg_shdr; | |
6340 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
6341 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
6342 | ||
6343 | if (mb->mbxStatus != MBX_SUCCESS || shdr_status) { | |
cb34990b | 6344 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
d2cc9bcd JS |
6345 | "6188 FW LOG mailbox " |
6346 | "completed with status x%x add_status x%x," | |
6347 | " mbx status x%x\n", | |
6348 | shdr_status, shdr_add_status, mb->mbxStatus); | |
cb34990b JS |
6349 | |
6350 | ras_fwlog->ras_hwsupport = false; | |
d2cc9bcd JS |
6351 | goto disable_ras; |
6352 | } | |
6353 | ||
6354 | ras_fwlog->ras_active = true; | |
6355 | mempool_free(pmb, phba->mbox_mem_pool); | |
6356 | ||
6357 | return; | |
6358 | ||
6359 | disable_ras: | |
6360 | /* Free RAS DMA memory */ | |
6361 | lpfc_sli4_ras_dma_free(phba); | |
6362 | mempool_free(pmb, phba->mbox_mem_pool); | |
6363 | } | |
6364 | ||
6365 | /** | |
6366 | * lpfc_sli4_ras_fwlog_init: Initialize memory and post RAS MBX command | |
6367 | * @phba: pointer to lpfc hba data structure. | |
6368 | * @fwlog_level: Logging verbosity level. | |
6369 | * @fwlog_enable: Enable/Disable logging. | |
6370 | * | |
6371 | * Initialize memory and post mailbox command to enable FW logging in host | |
6372 | * memory. | |
6373 | **/ | |
6374 | int | |
6375 | lpfc_sli4_ras_fwlog_init(struct lpfc_hba *phba, | |
6376 | uint32_t fwlog_level, | |
6377 | uint32_t fwlog_enable) | |
6378 | { | |
6379 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6380 | struct lpfc_mbx_set_ras_fwlog *mbx_fwlog = NULL; | |
6381 | struct lpfc_dmabuf *dmabuf; | |
6382 | LPFC_MBOXQ_t *mbox; | |
6383 | uint32_t len = 0, fwlog_buffsize, fwlog_entry_count; | |
6384 | int rc = 0; | |
6385 | ||
6386 | fwlog_buffsize = (LPFC_RAS_MIN_BUFF_POST_SIZE * | |
6387 | phba->cfg_ras_fwlog_buffsize); | |
6388 | fwlog_entry_count = (fwlog_buffsize/LPFC_RAS_MAX_ENTRY_SIZE); | |
6389 | ||
6390 | /* | |
6391 | * If re-enabling FW logging support use earlier allocated | |
6392 | * DMA buffers while posting MBX command. | |
6393 | **/ | |
6394 | if (!ras_fwlog->lwpd.virt) { | |
6395 | rc = lpfc_sli4_ras_dma_alloc(phba, fwlog_entry_count); | |
6396 | if (rc) { | |
6397 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
cb34990b | 6398 | "6189 FW Log Memory Allocation Failed"); |
d2cc9bcd JS |
6399 | return rc; |
6400 | } | |
6401 | } | |
6402 | ||
6403 | /* Setup Mailbox command */ | |
6404 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6405 | if (!mbox) { | |
cb34990b | 6406 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
d2cc9bcd JS |
6407 | "6190 RAS MBX Alloc Failed"); |
6408 | rc = -ENOMEM; | |
6409 | goto mem_free; | |
6410 | } | |
6411 | ||
6412 | ras_fwlog->fw_loglevel = fwlog_level; | |
6413 | len = (sizeof(struct lpfc_mbx_set_ras_fwlog) - | |
6414 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
6415 | ||
6416 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_LOWLEVEL, | |
6417 | LPFC_MBOX_OPCODE_SET_DIAG_LOG_OPTION, | |
6418 | len, LPFC_SLI4_MBX_EMBED); | |
6419 | ||
6420 | mbx_fwlog = (struct lpfc_mbx_set_ras_fwlog *)&mbox->u.mqe.un.ras_fwlog; | |
6421 | bf_set(lpfc_fwlog_enable, &mbx_fwlog->u.request, | |
6422 | fwlog_enable); | |
6423 | bf_set(lpfc_fwlog_loglvl, &mbx_fwlog->u.request, | |
6424 | ras_fwlog->fw_loglevel); | |
6425 | bf_set(lpfc_fwlog_buffcnt, &mbx_fwlog->u.request, | |
6426 | ras_fwlog->fw_buffcount); | |
6427 | bf_set(lpfc_fwlog_buffsz, &mbx_fwlog->u.request, | |
6428 | LPFC_RAS_MAX_ENTRY_SIZE/SLI4_PAGE_SIZE); | |
6429 | ||
6430 | /* Update DMA buffer address */ | |
6431 | list_for_each_entry(dmabuf, &ras_fwlog->fwlog_buff_list, list) { | |
6432 | memset(dmabuf->virt, 0, LPFC_RAS_MAX_ENTRY_SIZE); | |
6433 | ||
6434 | mbx_fwlog->u.request.buff_fwlog[dmabuf->buffer_tag].addr_lo = | |
6435 | putPaddrLow(dmabuf->phys); | |
6436 | ||
6437 | mbx_fwlog->u.request.buff_fwlog[dmabuf->buffer_tag].addr_hi = | |
6438 | putPaddrHigh(dmabuf->phys); | |
6439 | } | |
6440 | ||
6441 | /* Update LPWD address */ | |
6442 | mbx_fwlog->u.request.lwpd.addr_lo = putPaddrLow(ras_fwlog->lwpd.phys); | |
6443 | mbx_fwlog->u.request.lwpd.addr_hi = putPaddrHigh(ras_fwlog->lwpd.phys); | |
6444 | ||
6445 | mbox->vport = phba->pport; | |
6446 | mbox->mbox_cmpl = lpfc_sli4_ras_mbox_cmpl; | |
6447 | ||
6448 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
6449 | ||
6450 | if (rc == MBX_NOT_FINISHED) { | |
cb34990b JS |
6451 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6452 | "6191 FW-Log Mailbox failed. " | |
d2cc9bcd JS |
6453 | "status %d mbxStatus : x%x", rc, |
6454 | bf_get(lpfc_mqe_status, &mbox->u.mqe)); | |
6455 | mempool_free(mbox, phba->mbox_mem_pool); | |
6456 | rc = -EIO; | |
6457 | goto mem_free; | |
6458 | } else | |
6459 | rc = 0; | |
6460 | mem_free: | |
6461 | if (rc) | |
6462 | lpfc_sli4_ras_dma_free(phba); | |
6463 | ||
6464 | return rc; | |
6465 | } | |
6466 | ||
6467 | /** | |
6468 | * lpfc_sli4_ras_setup - Check if RAS supported on the adapter | |
6469 | * @phba: Pointer to HBA context object. | |
6470 | * | |
6471 | * Check if RAS is supported on the adapter and initialize it. | |
6472 | **/ | |
6473 | void | |
6474 | lpfc_sli4_ras_setup(struct lpfc_hba *phba) | |
6475 | { | |
6476 | /* Check RAS FW Log needs to be enabled or not */ | |
6477 | if (lpfc_check_fwlog_support(phba)) | |
6478 | return; | |
6479 | ||
6480 | lpfc_sli4_ras_fwlog_init(phba, phba->cfg_ras_fwlog_level, | |
6481 | LPFC_RAS_ENABLE_LOGGING); | |
6482 | } | |
6483 | ||
6d368e53 JS |
6484 | /** |
6485 | * lpfc_sli4_alloc_resource_identifiers - Allocate all SLI4 resource extents. | |
6486 | * @phba: Pointer to HBA context object. | |
6487 | * | |
6488 | * This function allocates all SLI4 resource identifiers. | |
6489 | **/ | |
6490 | int | |
6491 | lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba) | |
6492 | { | |
6493 | int i, rc, error = 0; | |
6494 | uint16_t count, base; | |
6495 | unsigned long longs; | |
6496 | ||
ff78d8f9 JS |
6497 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
6498 | phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.max_rpi; | |
6d368e53 JS |
6499 | if (phba->sli4_hba.extents_in_use) { |
6500 | /* | |
6501 | * The port supports resource extents. The XRI, VPI, VFI, RPI | |
6502 | * resource extent count must be read and allocated before | |
6503 | * provisioning the resource id arrays. | |
6504 | */ | |
6505 | if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) == | |
6506 | LPFC_IDX_RSRC_RDY) { | |
6507 | /* | |
6508 | * Extent-based resources are set - the driver could | |
6509 | * be in a port reset. Figure out if any corrective | |
6510 | * actions need to be taken. | |
6511 | */ | |
6512 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
6513 | LPFC_RSC_TYPE_FCOE_VFI); | |
6514 | if (rc != 0) | |
6515 | error++; | |
6516 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
6517 | LPFC_RSC_TYPE_FCOE_VPI); | |
6518 | if (rc != 0) | |
6519 | error++; | |
6520 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
6521 | LPFC_RSC_TYPE_FCOE_XRI); | |
6522 | if (rc != 0) | |
6523 | error++; | |
6524 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
6525 | LPFC_RSC_TYPE_FCOE_RPI); | |
6526 | if (rc != 0) | |
6527 | error++; | |
6528 | ||
6529 | /* | |
6530 | * It's possible that the number of resources | |
6531 | * provided to this port instance changed between | |
6532 | * resets. Detect this condition and reallocate | |
6533 | * resources. Otherwise, there is no action. | |
6534 | */ | |
6535 | if (error) { | |
6536 | lpfc_printf_log(phba, KERN_INFO, | |
6537 | LOG_MBOX | LOG_INIT, | |
6538 | "2931 Detected extent resource " | |
6539 | "change. Reallocating all " | |
6540 | "extents.\n"); | |
6541 | rc = lpfc_sli4_dealloc_extent(phba, | |
6542 | LPFC_RSC_TYPE_FCOE_VFI); | |
6543 | rc = lpfc_sli4_dealloc_extent(phba, | |
6544 | LPFC_RSC_TYPE_FCOE_VPI); | |
6545 | rc = lpfc_sli4_dealloc_extent(phba, | |
6546 | LPFC_RSC_TYPE_FCOE_XRI); | |
6547 | rc = lpfc_sli4_dealloc_extent(phba, | |
6548 | LPFC_RSC_TYPE_FCOE_RPI); | |
6549 | } else | |
6550 | return 0; | |
6551 | } | |
6552 | ||
6553 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI); | |
6554 | if (unlikely(rc)) | |
6555 | goto err_exit; | |
6556 | ||
6557 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI); | |
6558 | if (unlikely(rc)) | |
6559 | goto err_exit; | |
6560 | ||
6561 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI); | |
6562 | if (unlikely(rc)) | |
6563 | goto err_exit; | |
6564 | ||
6565 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI); | |
6566 | if (unlikely(rc)) | |
6567 | goto err_exit; | |
6568 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
6569 | LPFC_IDX_RSRC_RDY); | |
6570 | return rc; | |
6571 | } else { | |
6572 | /* | |
6573 | * The port does not support resource extents. The XRI, VPI, | |
6574 | * VFI, RPI resource ids were determined from READ_CONFIG. | |
6575 | * Just allocate the bitmasks and provision the resource id | |
6576 | * arrays. If a port reset is active, the resources don't | |
6577 | * need any action - just exit. | |
6578 | */ | |
6579 | if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) == | |
ff78d8f9 JS |
6580 | LPFC_IDX_RSRC_RDY) { |
6581 | lpfc_sli4_dealloc_resource_identifiers(phba); | |
6582 | lpfc_sli4_remove_rpis(phba); | |
6583 | } | |
6d368e53 JS |
6584 | /* RPIs. */ |
6585 | count = phba->sli4_hba.max_cfg_param.max_rpi; | |
0a630c27 JS |
6586 | if (count <= 0) { |
6587 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6588 | "3279 Invalid provisioning of " | |
6589 | "rpi:%d\n", count); | |
6590 | rc = -EINVAL; | |
6591 | goto err_exit; | |
6592 | } | |
6d368e53 JS |
6593 | base = phba->sli4_hba.max_cfg_param.rpi_base; |
6594 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6396bb22 | 6595 | phba->sli4_hba.rpi_bmask = kcalloc(longs, |
6d368e53 JS |
6596 | sizeof(unsigned long), |
6597 | GFP_KERNEL); | |
6598 | if (unlikely(!phba->sli4_hba.rpi_bmask)) { | |
6599 | rc = -ENOMEM; | |
6600 | goto err_exit; | |
6601 | } | |
6396bb22 | 6602 | phba->sli4_hba.rpi_ids = kcalloc(count, sizeof(uint16_t), |
6d368e53 JS |
6603 | GFP_KERNEL); |
6604 | if (unlikely(!phba->sli4_hba.rpi_ids)) { | |
6605 | rc = -ENOMEM; | |
6606 | goto free_rpi_bmask; | |
6607 | } | |
6608 | ||
6609 | for (i = 0; i < count; i++) | |
6610 | phba->sli4_hba.rpi_ids[i] = base + i; | |
6611 | ||
6612 | /* VPIs. */ | |
6613 | count = phba->sli4_hba.max_cfg_param.max_vpi; | |
0a630c27 JS |
6614 | if (count <= 0) { |
6615 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6616 | "3280 Invalid provisioning of " | |
6617 | "vpi:%d\n", count); | |
6618 | rc = -EINVAL; | |
6619 | goto free_rpi_ids; | |
6620 | } | |
6d368e53 JS |
6621 | base = phba->sli4_hba.max_cfg_param.vpi_base; |
6622 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6396bb22 | 6623 | phba->vpi_bmask = kcalloc(longs, sizeof(unsigned long), |
6d368e53 JS |
6624 | GFP_KERNEL); |
6625 | if (unlikely(!phba->vpi_bmask)) { | |
6626 | rc = -ENOMEM; | |
6627 | goto free_rpi_ids; | |
6628 | } | |
6396bb22 | 6629 | phba->vpi_ids = kcalloc(count, sizeof(uint16_t), |
6d368e53 JS |
6630 | GFP_KERNEL); |
6631 | if (unlikely(!phba->vpi_ids)) { | |
6632 | rc = -ENOMEM; | |
6633 | goto free_vpi_bmask; | |
6634 | } | |
6635 | ||
6636 | for (i = 0; i < count; i++) | |
6637 | phba->vpi_ids[i] = base + i; | |
6638 | ||
6639 | /* XRIs. */ | |
6640 | count = phba->sli4_hba.max_cfg_param.max_xri; | |
0a630c27 JS |
6641 | if (count <= 0) { |
6642 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6643 | "3281 Invalid provisioning of " | |
6644 | "xri:%d\n", count); | |
6645 | rc = -EINVAL; | |
6646 | goto free_vpi_ids; | |
6647 | } | |
6d368e53 JS |
6648 | base = phba->sli4_hba.max_cfg_param.xri_base; |
6649 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6396bb22 | 6650 | phba->sli4_hba.xri_bmask = kcalloc(longs, |
6d368e53 JS |
6651 | sizeof(unsigned long), |
6652 | GFP_KERNEL); | |
6653 | if (unlikely(!phba->sli4_hba.xri_bmask)) { | |
6654 | rc = -ENOMEM; | |
6655 | goto free_vpi_ids; | |
6656 | } | |
41899be7 | 6657 | phba->sli4_hba.max_cfg_param.xri_used = 0; |
6396bb22 | 6658 | phba->sli4_hba.xri_ids = kcalloc(count, sizeof(uint16_t), |
6d368e53 JS |
6659 | GFP_KERNEL); |
6660 | if (unlikely(!phba->sli4_hba.xri_ids)) { | |
6661 | rc = -ENOMEM; | |
6662 | goto free_xri_bmask; | |
6663 | } | |
6664 | ||
6665 | for (i = 0; i < count; i++) | |
6666 | phba->sli4_hba.xri_ids[i] = base + i; | |
6667 | ||
6668 | /* VFIs. */ | |
6669 | count = phba->sli4_hba.max_cfg_param.max_vfi; | |
0a630c27 JS |
6670 | if (count <= 0) { |
6671 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6672 | "3282 Invalid provisioning of " | |
6673 | "vfi:%d\n", count); | |
6674 | rc = -EINVAL; | |
6675 | goto free_xri_ids; | |
6676 | } | |
6d368e53 JS |
6677 | base = phba->sli4_hba.max_cfg_param.vfi_base; |
6678 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6396bb22 | 6679 | phba->sli4_hba.vfi_bmask = kcalloc(longs, |
6d368e53 JS |
6680 | sizeof(unsigned long), |
6681 | GFP_KERNEL); | |
6682 | if (unlikely(!phba->sli4_hba.vfi_bmask)) { | |
6683 | rc = -ENOMEM; | |
6684 | goto free_xri_ids; | |
6685 | } | |
6396bb22 | 6686 | phba->sli4_hba.vfi_ids = kcalloc(count, sizeof(uint16_t), |
6d368e53 JS |
6687 | GFP_KERNEL); |
6688 | if (unlikely(!phba->sli4_hba.vfi_ids)) { | |
6689 | rc = -ENOMEM; | |
6690 | goto free_vfi_bmask; | |
6691 | } | |
6692 | ||
6693 | for (i = 0; i < count; i++) | |
6694 | phba->sli4_hba.vfi_ids[i] = base + i; | |
6695 | ||
6696 | /* | |
6697 | * Mark all resources ready. An HBA reset doesn't need | |
6698 | * to reset the initialization. | |
6699 | */ | |
6700 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
6701 | LPFC_IDX_RSRC_RDY); | |
6702 | return 0; | |
6703 | } | |
6704 | ||
6705 | free_vfi_bmask: | |
6706 | kfree(phba->sli4_hba.vfi_bmask); | |
cd60be49 | 6707 | phba->sli4_hba.vfi_bmask = NULL; |
6d368e53 JS |
6708 | free_xri_ids: |
6709 | kfree(phba->sli4_hba.xri_ids); | |
cd60be49 | 6710 | phba->sli4_hba.xri_ids = NULL; |
6d368e53 JS |
6711 | free_xri_bmask: |
6712 | kfree(phba->sli4_hba.xri_bmask); | |
cd60be49 | 6713 | phba->sli4_hba.xri_bmask = NULL; |
6d368e53 JS |
6714 | free_vpi_ids: |
6715 | kfree(phba->vpi_ids); | |
cd60be49 | 6716 | phba->vpi_ids = NULL; |
6d368e53 JS |
6717 | free_vpi_bmask: |
6718 | kfree(phba->vpi_bmask); | |
cd60be49 | 6719 | phba->vpi_bmask = NULL; |
6d368e53 JS |
6720 | free_rpi_ids: |
6721 | kfree(phba->sli4_hba.rpi_ids); | |
cd60be49 | 6722 | phba->sli4_hba.rpi_ids = NULL; |
6d368e53 JS |
6723 | free_rpi_bmask: |
6724 | kfree(phba->sli4_hba.rpi_bmask); | |
cd60be49 | 6725 | phba->sli4_hba.rpi_bmask = NULL; |
6d368e53 JS |
6726 | err_exit: |
6727 | return rc; | |
6728 | } | |
6729 | ||
6730 | /** | |
6731 | * lpfc_sli4_dealloc_resource_identifiers - Deallocate all SLI4 resource extents. | |
6732 | * @phba: Pointer to HBA context object. | |
6733 | * | |
6734 | * This function allocates the number of elements for the specified | |
6735 | * resource type. | |
6736 | **/ | |
6737 | int | |
6738 | lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *phba) | |
6739 | { | |
6740 | if (phba->sli4_hba.extents_in_use) { | |
6741 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI); | |
6742 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI); | |
6743 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI); | |
6744 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI); | |
6745 | } else { | |
6746 | kfree(phba->vpi_bmask); | |
16a3a208 | 6747 | phba->sli4_hba.max_cfg_param.vpi_used = 0; |
6d368e53 JS |
6748 | kfree(phba->vpi_ids); |
6749 | bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6750 | kfree(phba->sli4_hba.xri_bmask); | |
6751 | kfree(phba->sli4_hba.xri_ids); | |
6d368e53 JS |
6752 | kfree(phba->sli4_hba.vfi_bmask); |
6753 | kfree(phba->sli4_hba.vfi_ids); | |
6754 | bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6755 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6756 | } | |
6757 | ||
6758 | return 0; | |
6759 | } | |
6760 | ||
b76f2dc9 JS |
6761 | /** |
6762 | * lpfc_sli4_get_allocated_extnts - Get the port's allocated extents. | |
6763 | * @phba: Pointer to HBA context object. | |
6764 | * @type: The resource extent type. | |
6765 | * @extnt_count: buffer to hold port extent count response | |
6766 | * @extnt_size: buffer to hold port extent size response. | |
6767 | * | |
6768 | * This function calls the port to read the host allocated extents | |
6769 | * for a particular type. | |
6770 | **/ | |
6771 | int | |
6772 | lpfc_sli4_get_allocated_extnts(struct lpfc_hba *phba, uint16_t type, | |
6773 | uint16_t *extnt_cnt, uint16_t *extnt_size) | |
6774 | { | |
6775 | bool emb; | |
6776 | int rc = 0; | |
6777 | uint16_t curr_blks = 0; | |
6778 | uint32_t req_len, emb_len; | |
6779 | uint32_t alloc_len, mbox_tmo; | |
6780 | struct list_head *blk_list_head; | |
6781 | struct lpfc_rsrc_blks *rsrc_blk; | |
6782 | LPFC_MBOXQ_t *mbox; | |
6783 | void *virtaddr = NULL; | |
6784 | struct lpfc_mbx_nembed_rsrc_extent *n_rsrc; | |
6785 | struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext; | |
6786 | union lpfc_sli4_cfg_shdr *shdr; | |
6787 | ||
6788 | switch (type) { | |
6789 | case LPFC_RSC_TYPE_FCOE_VPI: | |
6790 | blk_list_head = &phba->lpfc_vpi_blk_list; | |
6791 | break; | |
6792 | case LPFC_RSC_TYPE_FCOE_XRI: | |
6793 | blk_list_head = &phba->sli4_hba.lpfc_xri_blk_list; | |
6794 | break; | |
6795 | case LPFC_RSC_TYPE_FCOE_VFI: | |
6796 | blk_list_head = &phba->sli4_hba.lpfc_vfi_blk_list; | |
6797 | break; | |
6798 | case LPFC_RSC_TYPE_FCOE_RPI: | |
6799 | blk_list_head = &phba->sli4_hba.lpfc_rpi_blk_list; | |
6800 | break; | |
6801 | default: | |
6802 | return -EIO; | |
6803 | } | |
6804 | ||
6805 | /* Count the number of extents currently allocatd for this type. */ | |
6806 | list_for_each_entry(rsrc_blk, blk_list_head, list) { | |
6807 | if (curr_blks == 0) { | |
6808 | /* | |
6809 | * The GET_ALLOCATED mailbox does not return the size, | |
6810 | * just the count. The size should be just the size | |
6811 | * stored in the current allocated block and all sizes | |
6812 | * for an extent type are the same so set the return | |
6813 | * value now. | |
6814 | */ | |
6815 | *extnt_size = rsrc_blk->rsrc_size; | |
6816 | } | |
6817 | curr_blks++; | |
6818 | } | |
6819 | ||
b76f2dc9 JS |
6820 | /* |
6821 | * Calculate the size of an embedded mailbox. The uint32_t | |
6822 | * accounts for extents-specific word. | |
6823 | */ | |
6824 | emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) - | |
6825 | sizeof(uint32_t); | |
6826 | ||
6827 | /* | |
6828 | * Presume the allocation and response will fit into an embedded | |
6829 | * mailbox. If not true, reconfigure to a non-embedded mailbox. | |
6830 | */ | |
6831 | emb = LPFC_SLI4_MBX_EMBED; | |
6832 | req_len = emb_len; | |
6833 | if (req_len > emb_len) { | |
6834 | req_len = curr_blks * sizeof(uint16_t) + | |
6835 | sizeof(union lpfc_sli4_cfg_shdr) + | |
6836 | sizeof(uint32_t); | |
6837 | emb = LPFC_SLI4_MBX_NEMBED; | |
6838 | } | |
6839 | ||
6840 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6841 | if (!mbox) | |
6842 | return -ENOMEM; | |
6843 | memset(mbox, 0, sizeof(LPFC_MBOXQ_t)); | |
6844 | ||
6845 | alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6846 | LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT, | |
6847 | req_len, emb); | |
6848 | if (alloc_len < req_len) { | |
6849 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6850 | "2983 Allocated DMA memory size (x%x) is " | |
6851 | "less than the requested DMA memory " | |
6852 | "size (x%x)\n", alloc_len, req_len); | |
6853 | rc = -ENOMEM; | |
6854 | goto err_exit; | |
6855 | } | |
6856 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, curr_blks, type, emb); | |
6857 | if (unlikely(rc)) { | |
6858 | rc = -EIO; | |
6859 | goto err_exit; | |
6860 | } | |
6861 | ||
6862 | if (!phba->sli4_hba.intr_enable) | |
6863 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6864 | else { | |
a183a15f | 6865 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
b76f2dc9 JS |
6866 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
6867 | } | |
6868 | ||
6869 | if (unlikely(rc)) { | |
6870 | rc = -EIO; | |
6871 | goto err_exit; | |
6872 | } | |
6873 | ||
6874 | /* | |
6875 | * Figure out where the response is located. Then get local pointers | |
6876 | * to the response data. The port does not guarantee to respond to | |
6877 | * all extents counts request so update the local variable with the | |
6878 | * allocated count from the port. | |
6879 | */ | |
6880 | if (emb == LPFC_SLI4_MBX_EMBED) { | |
6881 | rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents; | |
6882 | shdr = &rsrc_ext->header.cfg_shdr; | |
6883 | *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp); | |
6884 | } else { | |
6885 | virtaddr = mbox->sge_array->addr[0]; | |
6886 | n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; | |
6887 | shdr = &n_rsrc->cfg_shdr; | |
6888 | *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc); | |
6889 | } | |
6890 | ||
6891 | if (bf_get(lpfc_mbox_hdr_status, &shdr->response)) { | |
6892 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
6893 | "2984 Failed to read allocated resources " | |
6894 | "for type %d - Status 0x%x Add'l Status 0x%x.\n", | |
6895 | type, | |
6896 | bf_get(lpfc_mbox_hdr_status, &shdr->response), | |
6897 | bf_get(lpfc_mbox_hdr_add_status, &shdr->response)); | |
6898 | rc = -EIO; | |
6899 | goto err_exit; | |
6900 | } | |
6901 | err_exit: | |
6902 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
6903 | return rc; | |
6904 | } | |
6905 | ||
8a9d2e80 | 6906 | /** |
0ef69968 | 6907 | * lpfc_sli4_repost_sgl_list - Repost the buffers sgl pages as block |
8a9d2e80 | 6908 | * @phba: pointer to lpfc hba data structure. |
895427bd JS |
6909 | * @pring: Pointer to driver SLI ring object. |
6910 | * @sgl_list: linked link of sgl buffers to post | |
6911 | * @cnt: number of linked list buffers | |
8a9d2e80 | 6912 | * |
895427bd | 6913 | * This routine walks the list of buffers that have been allocated and |
8a9d2e80 JS |
6914 | * repost them to the port by using SGL block post. This is needed after a |
6915 | * pci_function_reset/warm_start or start. It attempts to construct blocks | |
895427bd JS |
6916 | * of buffer sgls which contains contiguous xris and uses the non-embedded |
6917 | * SGL block post mailbox commands to post them to the port. For single | |
8a9d2e80 JS |
6918 | * buffer sgl with non-contiguous xri, if any, it shall use embedded SGL post |
6919 | * mailbox command for posting. | |
6920 | * | |
6921 | * Returns: 0 = success, non-zero failure. | |
6922 | **/ | |
6923 | static int | |
895427bd JS |
6924 | lpfc_sli4_repost_sgl_list(struct lpfc_hba *phba, |
6925 | struct list_head *sgl_list, int cnt) | |
8a9d2e80 JS |
6926 | { |
6927 | struct lpfc_sglq *sglq_entry = NULL; | |
6928 | struct lpfc_sglq *sglq_entry_next = NULL; | |
6929 | struct lpfc_sglq *sglq_entry_first = NULL; | |
895427bd JS |
6930 | int status, total_cnt; |
6931 | int post_cnt = 0, num_posted = 0, block_cnt = 0; | |
8a9d2e80 JS |
6932 | int last_xritag = NO_XRI; |
6933 | LIST_HEAD(prep_sgl_list); | |
6934 | LIST_HEAD(blck_sgl_list); | |
6935 | LIST_HEAD(allc_sgl_list); | |
6936 | LIST_HEAD(post_sgl_list); | |
6937 | LIST_HEAD(free_sgl_list); | |
6938 | ||
38c20673 | 6939 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
6940 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
6941 | list_splice_init(sgl_list, &allc_sgl_list); | |
6942 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
38c20673 | 6943 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 | 6944 | |
895427bd | 6945 | total_cnt = cnt; |
8a9d2e80 JS |
6946 | list_for_each_entry_safe(sglq_entry, sglq_entry_next, |
6947 | &allc_sgl_list, list) { | |
6948 | list_del_init(&sglq_entry->list); | |
6949 | block_cnt++; | |
6950 | if ((last_xritag != NO_XRI) && | |
6951 | (sglq_entry->sli4_xritag != last_xritag + 1)) { | |
6952 | /* a hole in xri block, form a sgl posting block */ | |
6953 | list_splice_init(&prep_sgl_list, &blck_sgl_list); | |
6954 | post_cnt = block_cnt - 1; | |
6955 | /* prepare list for next posting block */ | |
6956 | list_add_tail(&sglq_entry->list, &prep_sgl_list); | |
6957 | block_cnt = 1; | |
6958 | } else { | |
6959 | /* prepare list for next posting block */ | |
6960 | list_add_tail(&sglq_entry->list, &prep_sgl_list); | |
6961 | /* enough sgls for non-embed sgl mbox command */ | |
6962 | if (block_cnt == LPFC_NEMBED_MBOX_SGL_CNT) { | |
6963 | list_splice_init(&prep_sgl_list, | |
6964 | &blck_sgl_list); | |
6965 | post_cnt = block_cnt; | |
6966 | block_cnt = 0; | |
6967 | } | |
6968 | } | |
6969 | num_posted++; | |
6970 | ||
6971 | /* keep track of last sgl's xritag */ | |
6972 | last_xritag = sglq_entry->sli4_xritag; | |
6973 | ||
895427bd JS |
6974 | /* end of repost sgl list condition for buffers */ |
6975 | if (num_posted == total_cnt) { | |
8a9d2e80 JS |
6976 | if (post_cnt == 0) { |
6977 | list_splice_init(&prep_sgl_list, | |
6978 | &blck_sgl_list); | |
6979 | post_cnt = block_cnt; | |
6980 | } else if (block_cnt == 1) { | |
6981 | status = lpfc_sli4_post_sgl(phba, | |
6982 | sglq_entry->phys, 0, | |
6983 | sglq_entry->sli4_xritag); | |
6984 | if (!status) { | |
6985 | /* successful, put sgl to posted list */ | |
6986 | list_add_tail(&sglq_entry->list, | |
6987 | &post_sgl_list); | |
6988 | } else { | |
6989 | /* Failure, put sgl to free list */ | |
6990 | lpfc_printf_log(phba, KERN_WARNING, | |
6991 | LOG_SLI, | |
895427bd | 6992 | "3159 Failed to post " |
8a9d2e80 JS |
6993 | "sgl, xritag:x%x\n", |
6994 | sglq_entry->sli4_xritag); | |
6995 | list_add_tail(&sglq_entry->list, | |
6996 | &free_sgl_list); | |
711ea882 | 6997 | total_cnt--; |
8a9d2e80 JS |
6998 | } |
6999 | } | |
7000 | } | |
7001 | ||
7002 | /* continue until a nembed page worth of sgls */ | |
7003 | if (post_cnt == 0) | |
7004 | continue; | |
7005 | ||
895427bd JS |
7006 | /* post the buffer list sgls as a block */ |
7007 | status = lpfc_sli4_post_sgl_list(phba, &blck_sgl_list, | |
7008 | post_cnt); | |
8a9d2e80 JS |
7009 | |
7010 | if (!status) { | |
7011 | /* success, put sgl list to posted sgl list */ | |
7012 | list_splice_init(&blck_sgl_list, &post_sgl_list); | |
7013 | } else { | |
7014 | /* Failure, put sgl list to free sgl list */ | |
7015 | sglq_entry_first = list_first_entry(&blck_sgl_list, | |
7016 | struct lpfc_sglq, | |
7017 | list); | |
7018 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
895427bd | 7019 | "3160 Failed to post sgl-list, " |
8a9d2e80 JS |
7020 | "xritag:x%x-x%x\n", |
7021 | sglq_entry_first->sli4_xritag, | |
7022 | (sglq_entry_first->sli4_xritag + | |
7023 | post_cnt - 1)); | |
7024 | list_splice_init(&blck_sgl_list, &free_sgl_list); | |
711ea882 | 7025 | total_cnt -= post_cnt; |
8a9d2e80 JS |
7026 | } |
7027 | ||
7028 | /* don't reset xirtag due to hole in xri block */ | |
7029 | if (block_cnt == 0) | |
7030 | last_xritag = NO_XRI; | |
7031 | ||
895427bd | 7032 | /* reset sgl post count for next round of posting */ |
8a9d2e80 JS |
7033 | post_cnt = 0; |
7034 | } | |
7035 | ||
895427bd | 7036 | /* free the sgls failed to post */ |
8a9d2e80 JS |
7037 | lpfc_free_sgl_list(phba, &free_sgl_list); |
7038 | ||
895427bd | 7039 | /* push sgls posted to the available list */ |
8a9d2e80 | 7040 | if (!list_empty(&post_sgl_list)) { |
38c20673 | 7041 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
7042 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
7043 | list_splice_init(&post_sgl_list, sgl_list); | |
7044 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
38c20673 | 7045 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 JS |
7046 | } else { |
7047 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
895427bd | 7048 | "3161 Failure to post sgl to port.\n"); |
8a9d2e80 JS |
7049 | return -EIO; |
7050 | } | |
895427bd JS |
7051 | |
7052 | /* return the number of XRIs actually posted */ | |
7053 | return total_cnt; | |
8a9d2e80 JS |
7054 | } |
7055 | ||
0794d601 | 7056 | /** |
5e5b511d | 7057 | * lpfc_sli4_repost_io_sgl_list - Repost all the allocated nvme buffer sgls |
0794d601 JS |
7058 | * @phba: pointer to lpfc hba data structure. |
7059 | * | |
7060 | * This routine walks the list of nvme buffers that have been allocated and | |
7061 | * repost them to the port by using SGL block post. This is needed after a | |
7062 | * pci_function_reset/warm_start or start. The lpfc_hba_down_post_s4 routine | |
7063 | * is responsible for moving all nvme buffers on the lpfc_abts_nvme_sgl_list | |
5e5b511d | 7064 | * to the lpfc_io_buf_list. If the repost fails, reject all nvme buffers. |
0794d601 JS |
7065 | * |
7066 | * Returns: 0 = success, non-zero failure. | |
7067 | **/ | |
7068 | int | |
5e5b511d | 7069 | lpfc_sli4_repost_io_sgl_list(struct lpfc_hba *phba) |
0794d601 JS |
7070 | { |
7071 | LIST_HEAD(post_nblist); | |
7072 | int num_posted, rc = 0; | |
7073 | ||
7074 | /* get all NVME buffers need to repost to a local list */ | |
5e5b511d | 7075 | lpfc_io_buf_flush(phba, &post_nblist); |
0794d601 JS |
7076 | |
7077 | /* post the list of nvme buffer sgls to port if available */ | |
7078 | if (!list_empty(&post_nblist)) { | |
5e5b511d JS |
7079 | num_posted = lpfc_sli4_post_io_sgl_list( |
7080 | phba, &post_nblist, phba->sli4_hba.io_xri_cnt); | |
0794d601 JS |
7081 | /* failed to post any nvme buffer, return error */ |
7082 | if (num_posted == 0) | |
7083 | rc = -EIO; | |
7084 | } | |
7085 | return rc; | |
7086 | } | |
7087 | ||
61bda8f7 JS |
7088 | void |
7089 | lpfc_set_host_data(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) | |
7090 | { | |
7091 | uint32_t len; | |
7092 | ||
7093 | len = sizeof(struct lpfc_mbx_set_host_data) - | |
7094 | sizeof(struct lpfc_sli4_cfg_mhdr); | |
7095 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
7096 | LPFC_MBOX_OPCODE_SET_HOST_DATA, len, | |
7097 | LPFC_SLI4_MBX_EMBED); | |
7098 | ||
7099 | mbox->u.mqe.un.set_host_data.param_id = LPFC_SET_HOST_OS_DRIVER_VERSION; | |
b2fd103b JS |
7100 | mbox->u.mqe.un.set_host_data.param_len = |
7101 | LPFC_HOST_OS_DRIVER_VERSION_SIZE; | |
61bda8f7 JS |
7102 | snprintf(mbox->u.mqe.un.set_host_data.data, |
7103 | LPFC_HOST_OS_DRIVER_VERSION_SIZE, | |
7104 | "Linux %s v"LPFC_DRIVER_VERSION, | |
7105 | (phba->hba_flag & HBA_FCOE_MODE) ? "FCoE" : "FC"); | |
7106 | } | |
7107 | ||
a8cf5dfe | 7108 | int |
6c621a22 | 7109 | lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
a8cf5dfe | 7110 | struct lpfc_queue *drq, int count, int idx) |
6c621a22 JS |
7111 | { |
7112 | int rc, i; | |
7113 | struct lpfc_rqe hrqe; | |
7114 | struct lpfc_rqe drqe; | |
7115 | struct lpfc_rqb *rqbp; | |
411de511 | 7116 | unsigned long flags; |
6c621a22 JS |
7117 | struct rqb_dmabuf *rqb_buffer; |
7118 | LIST_HEAD(rqb_buf_list); | |
7119 | ||
411de511 | 7120 | spin_lock_irqsave(&phba->hbalock, flags); |
6c621a22 JS |
7121 | rqbp = hrq->rqbp; |
7122 | for (i = 0; i < count; i++) { | |
7123 | /* IF RQ is already full, don't bother */ | |
7124 | if (rqbp->buffer_count + i >= rqbp->entry_count - 1) | |
7125 | break; | |
7126 | rqb_buffer = rqbp->rqb_alloc_buffer(phba); | |
7127 | if (!rqb_buffer) | |
7128 | break; | |
7129 | rqb_buffer->hrq = hrq; | |
7130 | rqb_buffer->drq = drq; | |
a8cf5dfe | 7131 | rqb_buffer->idx = idx; |
6c621a22 JS |
7132 | list_add_tail(&rqb_buffer->hbuf.list, &rqb_buf_list); |
7133 | } | |
7134 | while (!list_empty(&rqb_buf_list)) { | |
7135 | list_remove_head(&rqb_buf_list, rqb_buffer, struct rqb_dmabuf, | |
7136 | hbuf.list); | |
7137 | ||
7138 | hrqe.address_lo = putPaddrLow(rqb_buffer->hbuf.phys); | |
7139 | hrqe.address_hi = putPaddrHigh(rqb_buffer->hbuf.phys); | |
7140 | drqe.address_lo = putPaddrLow(rqb_buffer->dbuf.phys); | |
7141 | drqe.address_hi = putPaddrHigh(rqb_buffer->dbuf.phys); | |
7142 | rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe); | |
7143 | if (rc < 0) { | |
411de511 JS |
7144 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
7145 | "6421 Cannot post to HRQ %d: %x %x %x " | |
7146 | "DRQ %x %x\n", | |
7147 | hrq->queue_id, | |
7148 | hrq->host_index, | |
7149 | hrq->hba_index, | |
7150 | hrq->entry_count, | |
7151 | drq->host_index, | |
7152 | drq->hba_index); | |
6c621a22 JS |
7153 | rqbp->rqb_free_buffer(phba, rqb_buffer); |
7154 | } else { | |
7155 | list_add_tail(&rqb_buffer->hbuf.list, | |
7156 | &rqbp->rqb_buffer_list); | |
7157 | rqbp->buffer_count++; | |
7158 | } | |
7159 | } | |
411de511 | 7160 | spin_unlock_irqrestore(&phba->hbalock, flags); |
6c621a22 JS |
7161 | return 1; |
7162 | } | |
7163 | ||
da0436e9 | 7164 | /** |
183b8021 | 7165 | * lpfc_sli4_hba_setup - SLI4 device initialization PCI function |
da0436e9 JS |
7166 | * @phba: Pointer to HBA context object. |
7167 | * | |
183b8021 MY |
7168 | * This function is the main SLI4 device initialization PCI function. This |
7169 | * function is called by the HBA initialization code, HBA reset code and | |
da0436e9 JS |
7170 | * HBA error attention handler code. Caller is not required to hold any |
7171 | * locks. | |
7172 | **/ | |
7173 | int | |
7174 | lpfc_sli4_hba_setup(struct lpfc_hba *phba) | |
7175 | { | |
c490850a | 7176 | int rc, i, cnt, len; |
da0436e9 JS |
7177 | LPFC_MBOXQ_t *mboxq; |
7178 | struct lpfc_mqe *mqe; | |
7179 | uint8_t *vpd; | |
7180 | uint32_t vpd_size; | |
7181 | uint32_t ftr_rsp = 0; | |
7182 | struct Scsi_Host *shost = lpfc_shost_from_vport(phba->pport); | |
7183 | struct lpfc_vport *vport = phba->pport; | |
7184 | struct lpfc_dmabuf *mp; | |
2d7dbc4c | 7185 | struct lpfc_rqb *rqbp; |
da0436e9 JS |
7186 | |
7187 | /* Perform a PCI function reset to start from clean */ | |
7188 | rc = lpfc_pci_function_reset(phba); | |
7189 | if (unlikely(rc)) | |
7190 | return -ENODEV; | |
7191 | ||
7192 | /* Check the HBA Host Status Register for readyness */ | |
7193 | rc = lpfc_sli4_post_status_check(phba); | |
7194 | if (unlikely(rc)) | |
7195 | return -ENODEV; | |
7196 | else { | |
7197 | spin_lock_irq(&phba->hbalock); | |
7198 | phba->sli.sli_flag |= LPFC_SLI_ACTIVE; | |
7199 | spin_unlock_irq(&phba->hbalock); | |
7200 | } | |
7201 | ||
7202 | /* | |
7203 | * Allocate a single mailbox container for initializing the | |
7204 | * port. | |
7205 | */ | |
7206 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
7207 | if (!mboxq) | |
7208 | return -ENOMEM; | |
7209 | ||
da0436e9 | 7210 | /* Issue READ_REV to collect vpd and FW information. */ |
49198b37 | 7211 | vpd_size = SLI4_PAGE_SIZE; |
da0436e9 JS |
7212 | vpd = kzalloc(vpd_size, GFP_KERNEL); |
7213 | if (!vpd) { | |
7214 | rc = -ENOMEM; | |
7215 | goto out_free_mbox; | |
7216 | } | |
7217 | ||
7218 | rc = lpfc_sli4_read_rev(phba, mboxq, vpd, &vpd_size); | |
76a95d75 JS |
7219 | if (unlikely(rc)) { |
7220 | kfree(vpd); | |
7221 | goto out_free_mbox; | |
7222 | } | |
572709e2 | 7223 | |
da0436e9 | 7224 | mqe = &mboxq->u.mqe; |
f1126688 | 7225 | phba->sli_rev = bf_get(lpfc_mbx_rd_rev_sli_lvl, &mqe->un.read_rev); |
b5c53958 | 7226 | if (bf_get(lpfc_mbx_rd_rev_fcoe, &mqe->un.read_rev)) { |
76a95d75 | 7227 | phba->hba_flag |= HBA_FCOE_MODE; |
b5c53958 JS |
7228 | phba->fcp_embed_io = 0; /* SLI4 FC support only */ |
7229 | } else { | |
76a95d75 | 7230 | phba->hba_flag &= ~HBA_FCOE_MODE; |
b5c53958 | 7231 | } |
45ed1190 JS |
7232 | |
7233 | if (bf_get(lpfc_mbx_rd_rev_cee_ver, &mqe->un.read_rev) == | |
7234 | LPFC_DCBX_CEE_MODE) | |
7235 | phba->hba_flag |= HBA_FIP_SUPPORT; | |
7236 | else | |
7237 | phba->hba_flag &= ~HBA_FIP_SUPPORT; | |
7238 | ||
4f2e66c6 JS |
7239 | phba->hba_flag &= ~HBA_FCP_IOQ_FLUSH; |
7240 | ||
c31098ce | 7241 | if (phba->sli_rev != LPFC_SLI_REV4) { |
da0436e9 JS |
7242 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
7243 | "0376 READ_REV Error. SLI Level %d " | |
7244 | "FCoE enabled %d\n", | |
76a95d75 | 7245 | phba->sli_rev, phba->hba_flag & HBA_FCOE_MODE); |
da0436e9 | 7246 | rc = -EIO; |
76a95d75 JS |
7247 | kfree(vpd); |
7248 | goto out_free_mbox; | |
da0436e9 | 7249 | } |
cd1c8301 | 7250 | |
ff78d8f9 JS |
7251 | /* |
7252 | * Continue initialization with default values even if driver failed | |
7253 | * to read FCoE param config regions, only read parameters if the | |
7254 | * board is FCoE | |
7255 | */ | |
7256 | if (phba->hba_flag & HBA_FCOE_MODE && | |
7257 | lpfc_sli4_read_fcoe_params(phba)) | |
7258 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_INIT, | |
7259 | "2570 Failed to read FCoE parameters\n"); | |
7260 | ||
cd1c8301 JS |
7261 | /* |
7262 | * Retrieve sli4 device physical port name, failure of doing it | |
7263 | * is considered as non-fatal. | |
7264 | */ | |
7265 | rc = lpfc_sli4_retrieve_pport_name(phba); | |
7266 | if (!rc) | |
7267 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
7268 | "3080 Successful retrieving SLI4 device " | |
7269 | "physical port name: %s.\n", phba->Port); | |
7270 | ||
da0436e9 JS |
7271 | /* |
7272 | * Evaluate the read rev and vpd data. Populate the driver | |
7273 | * state with the results. If this routine fails, the failure | |
7274 | * is not fatal as the driver will use generic values. | |
7275 | */ | |
7276 | rc = lpfc_parse_vpd(phba, vpd, vpd_size); | |
7277 | if (unlikely(!rc)) { | |
7278 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7279 | "0377 Error %d parsing vpd. " | |
7280 | "Using defaults.\n", rc); | |
7281 | rc = 0; | |
7282 | } | |
76a95d75 | 7283 | kfree(vpd); |
da0436e9 | 7284 | |
f1126688 JS |
7285 | /* Save information as VPD data */ |
7286 | phba->vpd.rev.biuRev = mqe->un.read_rev.first_hw_rev; | |
7287 | phba->vpd.rev.smRev = mqe->un.read_rev.second_hw_rev; | |
4e565cf0 JS |
7288 | |
7289 | /* | |
7290 | * This is because first G7 ASIC doesn't support the standard | |
7291 | * 0x5a NVME cmd descriptor type/subtype | |
7292 | */ | |
7293 | if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
7294 | LPFC_SLI_INTF_IF_TYPE_6) && | |
7295 | (phba->vpd.rev.biuRev == LPFC_G7_ASIC_1) && | |
7296 | (phba->vpd.rev.smRev == 0) && | |
7297 | (phba->cfg_nvme_embed_cmd == 1)) | |
7298 | phba->cfg_nvme_embed_cmd = 0; | |
7299 | ||
f1126688 JS |
7300 | phba->vpd.rev.endecRev = mqe->un.read_rev.third_hw_rev; |
7301 | phba->vpd.rev.fcphHigh = bf_get(lpfc_mbx_rd_rev_fcph_high, | |
7302 | &mqe->un.read_rev); | |
7303 | phba->vpd.rev.fcphLow = bf_get(lpfc_mbx_rd_rev_fcph_low, | |
7304 | &mqe->un.read_rev); | |
7305 | phba->vpd.rev.feaLevelHigh = bf_get(lpfc_mbx_rd_rev_ftr_lvl_high, | |
7306 | &mqe->un.read_rev); | |
7307 | phba->vpd.rev.feaLevelLow = bf_get(lpfc_mbx_rd_rev_ftr_lvl_low, | |
7308 | &mqe->un.read_rev); | |
7309 | phba->vpd.rev.sli1FwRev = mqe->un.read_rev.fw_id_rev; | |
7310 | memcpy(phba->vpd.rev.sli1FwName, mqe->un.read_rev.fw_name, 16); | |
7311 | phba->vpd.rev.sli2FwRev = mqe->un.read_rev.ulp_fw_id_rev; | |
7312 | memcpy(phba->vpd.rev.sli2FwName, mqe->un.read_rev.ulp_fw_name, 16); | |
7313 | phba->vpd.rev.opFwRev = mqe->un.read_rev.fw_id_rev; | |
7314 | memcpy(phba->vpd.rev.opFwName, mqe->un.read_rev.fw_name, 16); | |
7315 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
7316 | "(%d):0380 READ_REV Status x%x " | |
7317 | "fw_rev:%s fcphHi:%x fcphLo:%x flHi:%x flLo:%x\n", | |
7318 | mboxq->vport ? mboxq->vport->vpi : 0, | |
7319 | bf_get(lpfc_mqe_status, mqe), | |
7320 | phba->vpd.rev.opFwName, | |
7321 | phba->vpd.rev.fcphHigh, phba->vpd.rev.fcphLow, | |
7322 | phba->vpd.rev.feaLevelHigh, phba->vpd.rev.feaLevelLow); | |
da0436e9 | 7323 | |
572709e2 JS |
7324 | /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */ |
7325 | rc = (phba->sli4_hba.max_cfg_param.max_xri >> 3); | |
7326 | if (phba->pport->cfg_lun_queue_depth > rc) { | |
7327 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
7328 | "3362 LUN queue depth changed from %d to %d\n", | |
7329 | phba->pport->cfg_lun_queue_depth, rc); | |
7330 | phba->pport->cfg_lun_queue_depth = rc; | |
7331 | } | |
7332 | ||
65791f1f | 7333 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == |
7bdedb34 JS |
7334 | LPFC_SLI_INTF_IF_TYPE_0) { |
7335 | lpfc_set_features(phba, mboxq, LPFC_SET_UE_RECOVERY); | |
7336 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7337 | if (rc == MBX_SUCCESS) { | |
7338 | phba->hba_flag |= HBA_RECOVERABLE_UE; | |
7339 | /* Set 1Sec interval to detect UE */ | |
7340 | phba->eratt_poll_interval = 1; | |
7341 | phba->sli4_hba.ue_to_sr = bf_get( | |
7342 | lpfc_mbx_set_feature_UESR, | |
7343 | &mboxq->u.mqe.un.set_feature); | |
7344 | phba->sli4_hba.ue_to_rp = bf_get( | |
7345 | lpfc_mbx_set_feature_UERP, | |
7346 | &mboxq->u.mqe.un.set_feature); | |
7347 | } | |
7348 | } | |
7349 | ||
7350 | if (phba->cfg_enable_mds_diags && phba->mds_diags_support) { | |
7351 | /* Enable MDS Diagnostics only if the SLI Port supports it */ | |
7352 | lpfc_set_features(phba, mboxq, LPFC_SET_MDS_DIAGS); | |
7353 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7354 | if (rc != MBX_SUCCESS) | |
7355 | phba->mds_diags_support = 0; | |
7356 | } | |
572709e2 | 7357 | |
da0436e9 JS |
7358 | /* |
7359 | * Discover the port's supported feature set and match it against the | |
7360 | * hosts requests. | |
7361 | */ | |
7362 | lpfc_request_features(phba, mboxq); | |
7363 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7364 | if (unlikely(rc)) { | |
7365 | rc = -EIO; | |
76a95d75 | 7366 | goto out_free_mbox; |
da0436e9 JS |
7367 | } |
7368 | ||
7369 | /* | |
7370 | * The port must support FCP initiator mode as this is the | |
7371 | * only mode running in the host. | |
7372 | */ | |
7373 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_fcpi, &mqe->un.req_ftrs))) { | |
7374 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
7375 | "0378 No support for fcpi mode.\n"); | |
7376 | ftr_rsp++; | |
7377 | } | |
0bc2b7c5 JS |
7378 | |
7379 | /* Performance Hints are ONLY for FCoE */ | |
7380 | if (phba->hba_flag & HBA_FCOE_MODE) { | |
7381 | if (bf_get(lpfc_mbx_rq_ftr_rsp_perfh, &mqe->un.req_ftrs)) | |
7382 | phba->sli3_options |= LPFC_SLI4_PERFH_ENABLED; | |
7383 | else | |
7384 | phba->sli3_options &= ~LPFC_SLI4_PERFH_ENABLED; | |
7385 | } | |
7386 | ||
da0436e9 JS |
7387 | /* |
7388 | * If the port cannot support the host's requested features | |
7389 | * then turn off the global config parameters to disable the | |
7390 | * feature in the driver. This is not a fatal error. | |
7391 | */ | |
f44ac12f JS |
7392 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) { |
7393 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs))) { | |
7394 | phba->cfg_enable_bg = 0; | |
7395 | phba->sli3_options &= ~LPFC_SLI3_BG_ENABLED; | |
bf08611b | 7396 | ftr_rsp++; |
f44ac12f | 7397 | } |
bf08611b | 7398 | } |
da0436e9 JS |
7399 | |
7400 | if (phba->max_vpi && phba->cfg_enable_npiv && | |
7401 | !(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs))) | |
7402 | ftr_rsp++; | |
7403 | ||
7404 | if (ftr_rsp) { | |
7405 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
7406 | "0379 Feature Mismatch Data: x%08x %08x " | |
7407 | "x%x x%x x%x\n", mqe->un.req_ftrs.word2, | |
7408 | mqe->un.req_ftrs.word3, phba->cfg_enable_bg, | |
7409 | phba->cfg_enable_npiv, phba->max_vpi); | |
7410 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs))) | |
7411 | phba->cfg_enable_bg = 0; | |
7412 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs))) | |
7413 | phba->cfg_enable_npiv = 0; | |
7414 | } | |
7415 | ||
7416 | /* These SLI3 features are assumed in SLI4 */ | |
7417 | spin_lock_irq(&phba->hbalock); | |
7418 | phba->sli3_options |= (LPFC_SLI3_NPIV_ENABLED | LPFC_SLI3_HBQ_ENABLED); | |
7419 | spin_unlock_irq(&phba->hbalock); | |
7420 | ||
6d368e53 JS |
7421 | /* |
7422 | * Allocate all resources (xri,rpi,vpi,vfi) now. Subsequent | |
7423 | * calls depends on these resources to complete port setup. | |
7424 | */ | |
7425 | rc = lpfc_sli4_alloc_resource_identifiers(phba); | |
7426 | if (rc) { | |
7427 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7428 | "2920 Failed to alloc Resource IDs " | |
7429 | "rc = x%x\n", rc); | |
7430 | goto out_free_mbox; | |
7431 | } | |
7432 | ||
61bda8f7 JS |
7433 | lpfc_set_host_data(phba, mboxq); |
7434 | ||
7435 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7436 | if (rc) { | |
7437 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
7438 | "2134 Failed to set host os driver version %x", | |
7439 | rc); | |
7440 | } | |
7441 | ||
da0436e9 | 7442 | /* Read the port's service parameters. */ |
9f1177a3 JS |
7443 | rc = lpfc_read_sparam(phba, mboxq, vport->vpi); |
7444 | if (rc) { | |
7445 | phba->link_state = LPFC_HBA_ERROR; | |
7446 | rc = -ENOMEM; | |
76a95d75 | 7447 | goto out_free_mbox; |
9f1177a3 JS |
7448 | } |
7449 | ||
da0436e9 JS |
7450 | mboxq->vport = vport; |
7451 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
3e1f0718 | 7452 | mp = (struct lpfc_dmabuf *)mboxq->ctx_buf; |
da0436e9 JS |
7453 | if (rc == MBX_SUCCESS) { |
7454 | memcpy(&vport->fc_sparam, mp->virt, sizeof(struct serv_parm)); | |
7455 | rc = 0; | |
7456 | } | |
7457 | ||
7458 | /* | |
7459 | * This memory was allocated by the lpfc_read_sparam routine. Release | |
7460 | * it to the mbuf pool. | |
7461 | */ | |
7462 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
7463 | kfree(mp); | |
3e1f0718 | 7464 | mboxq->ctx_buf = NULL; |
da0436e9 JS |
7465 | if (unlikely(rc)) { |
7466 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7467 | "0382 READ_SPARAM command failed " | |
7468 | "status %d, mbxStatus x%x\n", | |
7469 | rc, bf_get(lpfc_mqe_status, mqe)); | |
7470 | phba->link_state = LPFC_HBA_ERROR; | |
7471 | rc = -EIO; | |
76a95d75 | 7472 | goto out_free_mbox; |
da0436e9 JS |
7473 | } |
7474 | ||
0558056c | 7475 | lpfc_update_vport_wwn(vport); |
da0436e9 JS |
7476 | |
7477 | /* Update the fc_host data structures with new wwn. */ | |
7478 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
7479 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
7480 | ||
895427bd JS |
7481 | /* Create all the SLI4 queues */ |
7482 | rc = lpfc_sli4_queue_create(phba); | |
7483 | if (rc) { | |
7484 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7485 | "3089 Failed to allocate queues\n"); | |
7486 | rc = -ENODEV; | |
7487 | goto out_free_mbox; | |
7488 | } | |
7489 | /* Set up all the queues to the device */ | |
7490 | rc = lpfc_sli4_queue_setup(phba); | |
7491 | if (unlikely(rc)) { | |
7492 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7493 | "0381 Error %d during queue setup.\n ", rc); | |
7494 | goto out_stop_timers; | |
7495 | } | |
7496 | /* Initialize the driver internal SLI layer lists. */ | |
7497 | lpfc_sli4_setup(phba); | |
7498 | lpfc_sli4_queue_init(phba); | |
7499 | ||
7500 | /* update host els xri-sgl sizes and mappings */ | |
7501 | rc = lpfc_sli4_els_sgl_update(phba); | |
8a9d2e80 JS |
7502 | if (unlikely(rc)) { |
7503 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7504 | "1400 Failed to update xri-sgl size and " | |
7505 | "mapping: %d\n", rc); | |
895427bd | 7506 | goto out_destroy_queue; |
da0436e9 JS |
7507 | } |
7508 | ||
8a9d2e80 | 7509 | /* register the els sgl pool to the port */ |
895427bd JS |
7510 | rc = lpfc_sli4_repost_sgl_list(phba, &phba->sli4_hba.lpfc_els_sgl_list, |
7511 | phba->sli4_hba.els_xri_cnt); | |
7512 | if (unlikely(rc < 0)) { | |
8a9d2e80 JS |
7513 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
7514 | "0582 Error %d during els sgl post " | |
7515 | "operation\n", rc); | |
7516 | rc = -ENODEV; | |
895427bd | 7517 | goto out_destroy_queue; |
8a9d2e80 | 7518 | } |
895427bd | 7519 | phba->sli4_hba.els_xri_cnt = rc; |
8a9d2e80 | 7520 | |
f358dd0c JS |
7521 | if (phba->nvmet_support) { |
7522 | /* update host nvmet xri-sgl sizes and mappings */ | |
7523 | rc = lpfc_sli4_nvmet_sgl_update(phba); | |
7524 | if (unlikely(rc)) { | |
7525 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7526 | "6308 Failed to update nvmet-sgl size " | |
7527 | "and mapping: %d\n", rc); | |
7528 | goto out_destroy_queue; | |
7529 | } | |
7530 | ||
7531 | /* register the nvmet sgl pool to the port */ | |
7532 | rc = lpfc_sli4_repost_sgl_list( | |
7533 | phba, | |
7534 | &phba->sli4_hba.lpfc_nvmet_sgl_list, | |
7535 | phba->sli4_hba.nvmet_xri_cnt); | |
7536 | if (unlikely(rc < 0)) { | |
7537 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7538 | "3117 Error %d during nvmet " | |
7539 | "sgl post\n", rc); | |
7540 | rc = -ENODEV; | |
7541 | goto out_destroy_queue; | |
7542 | } | |
7543 | phba->sli4_hba.nvmet_xri_cnt = rc; | |
6c621a22 JS |
7544 | |
7545 | cnt = phba->cfg_iocb_cnt * 1024; | |
7546 | /* We need 1 iocbq for every SGL, for IO processing */ | |
7547 | cnt += phba->sli4_hba.nvmet_xri_cnt; | |
f358dd0c | 7548 | } else { |
0794d601 | 7549 | /* update host common xri-sgl sizes and mappings */ |
5e5b511d | 7550 | rc = lpfc_sli4_io_sgl_update(phba); |
895427bd JS |
7551 | if (unlikely(rc)) { |
7552 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
0794d601 | 7553 | "6082 Failed to update nvme-sgl size " |
895427bd JS |
7554 | "and mapping: %d\n", rc); |
7555 | goto out_destroy_queue; | |
7556 | } | |
7557 | ||
0794d601 | 7558 | /* register the allocated common sgl pool to the port */ |
5e5b511d | 7559 | rc = lpfc_sli4_repost_io_sgl_list(phba); |
895427bd JS |
7560 | if (unlikely(rc)) { |
7561 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
0794d601 JS |
7562 | "6116 Error %d during nvme sgl post " |
7563 | "operation\n", rc); | |
7564 | /* Some NVME buffers were moved to abort nvme list */ | |
7565 | /* A pci function reset will repost them */ | |
7566 | rc = -ENODEV; | |
895427bd JS |
7567 | goto out_destroy_queue; |
7568 | } | |
6c621a22 | 7569 | cnt = phba->cfg_iocb_cnt * 1024; |
11e644e2 JS |
7570 | } |
7571 | ||
7572 | if (!phba->sli.iocbq_lookup) { | |
6c621a22 JS |
7573 | /* Initialize and populate the iocb list per host */ |
7574 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
11e644e2 | 7575 | "2821 initialize iocb list %d total %d\n", |
6c621a22 JS |
7576 | phba->cfg_iocb_cnt, cnt); |
7577 | rc = lpfc_init_iocb_list(phba, cnt); | |
7578 | if (rc) { | |
7579 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11e644e2 | 7580 | "1413 Failed to init iocb list.\n"); |
6c621a22 JS |
7581 | goto out_destroy_queue; |
7582 | } | |
895427bd JS |
7583 | } |
7584 | ||
11e644e2 JS |
7585 | if (phba->nvmet_support) |
7586 | lpfc_nvmet_create_targetport(phba); | |
7587 | ||
2d7dbc4c | 7588 | if (phba->nvmet_support && phba->cfg_nvmet_mrq) { |
2d7dbc4c JS |
7589 | /* Post initial buffers to all RQs created */ |
7590 | for (i = 0; i < phba->cfg_nvmet_mrq; i++) { | |
7591 | rqbp = phba->sli4_hba.nvmet_mrq_hdr[i]->rqbp; | |
7592 | INIT_LIST_HEAD(&rqbp->rqb_buffer_list); | |
7593 | rqbp->rqb_alloc_buffer = lpfc_sli4_nvmet_alloc; | |
7594 | rqbp->rqb_free_buffer = lpfc_sli4_nvmet_free; | |
61f3d4bf | 7595 | rqbp->entry_count = LPFC_NVMET_RQE_DEF_COUNT; |
2d7dbc4c JS |
7596 | rqbp->buffer_count = 0; |
7597 | ||
2d7dbc4c JS |
7598 | lpfc_post_rq_buffer( |
7599 | phba, phba->sli4_hba.nvmet_mrq_hdr[i], | |
7600 | phba->sli4_hba.nvmet_mrq_data[i], | |
2448e484 | 7601 | phba->cfg_nvmet_mrq_post, i); |
2d7dbc4c JS |
7602 | } |
7603 | } | |
7604 | ||
da0436e9 JS |
7605 | /* Post the rpi header region to the device. */ |
7606 | rc = lpfc_sli4_post_all_rpi_hdrs(phba); | |
7607 | if (unlikely(rc)) { | |
7608 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7609 | "0393 Error %d during rpi post operation\n", | |
7610 | rc); | |
7611 | rc = -ENODEV; | |
895427bd | 7612 | goto out_destroy_queue; |
da0436e9 | 7613 | } |
97f2ecf1 | 7614 | lpfc_sli4_node_prep(phba); |
da0436e9 | 7615 | |
895427bd | 7616 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { |
2d7dbc4c | 7617 | if ((phba->nvmet_support == 0) || (phba->cfg_nvmet_mrq == 1)) { |
895427bd JS |
7618 | /* |
7619 | * The FC Port needs to register FCFI (index 0) | |
7620 | */ | |
7621 | lpfc_reg_fcfi(phba, mboxq); | |
7622 | mboxq->vport = phba->pport; | |
7623 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7624 | if (rc != MBX_SUCCESS) | |
7625 | goto out_unset_queue; | |
7626 | rc = 0; | |
7627 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, | |
7628 | &mboxq->u.mqe.un.reg_fcfi); | |
2d7dbc4c JS |
7629 | } else { |
7630 | /* We are a NVME Target mode with MRQ > 1 */ | |
7631 | ||
7632 | /* First register the FCFI */ | |
7633 | lpfc_reg_fcfi_mrq(phba, mboxq, 0); | |
7634 | mboxq->vport = phba->pport; | |
7635 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7636 | if (rc != MBX_SUCCESS) | |
7637 | goto out_unset_queue; | |
7638 | rc = 0; | |
7639 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_mrq_fcfi, | |
7640 | &mboxq->u.mqe.un.reg_fcfi_mrq); | |
7641 | ||
7642 | /* Next register the MRQs */ | |
7643 | lpfc_reg_fcfi_mrq(phba, mboxq, 1); | |
7644 | mboxq->vport = phba->pport; | |
7645 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7646 | if (rc != MBX_SUCCESS) | |
7647 | goto out_unset_queue; | |
7648 | rc = 0; | |
895427bd JS |
7649 | } |
7650 | /* Check if the port is configured to be disabled */ | |
7651 | lpfc_sli_read_link_ste(phba); | |
da0436e9 JS |
7652 | } |
7653 | ||
c490850a JS |
7654 | /* Don't post more new bufs if repost already recovered |
7655 | * the nvme sgls. | |
7656 | */ | |
7657 | if (phba->nvmet_support == 0) { | |
7658 | if (phba->sli4_hba.io_xri_cnt == 0) { | |
7659 | len = lpfc_new_io_buf( | |
7660 | phba, phba->sli4_hba.io_xri_max); | |
7661 | if (len == 0) { | |
7662 | rc = -ENOMEM; | |
7663 | goto out_unset_queue; | |
7664 | } | |
7665 | ||
7666 | if (phba->cfg_xri_rebalancing) | |
7667 | lpfc_create_multixri_pools(phba); | |
7668 | } | |
7669 | } else { | |
7670 | phba->cfg_xri_rebalancing = 0; | |
7671 | } | |
7672 | ||
da0436e9 JS |
7673 | /* Arm the CQs and then EQs on device */ |
7674 | lpfc_sli4_arm_cqeq_intr(phba); | |
7675 | ||
7676 | /* Indicate device interrupt mode */ | |
7677 | phba->sli4_hba.intr_enable = 1; | |
7678 | ||
7679 | /* Allow asynchronous mailbox command to go through */ | |
7680 | spin_lock_irq(&phba->hbalock); | |
7681 | phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
7682 | spin_unlock_irq(&phba->hbalock); | |
7683 | ||
7684 | /* Post receive buffers to the device */ | |
7685 | lpfc_sli4_rb_setup(phba); | |
7686 | ||
fc2b989b JS |
7687 | /* Reset HBA FCF states after HBA reset */ |
7688 | phba->fcf.fcf_flag = 0; | |
7689 | phba->fcf.current_rec.flag = 0; | |
7690 | ||
da0436e9 | 7691 | /* Start the ELS watchdog timer */ |
8fa38513 | 7692 | mod_timer(&vport->els_tmofunc, |
256ec0d0 | 7693 | jiffies + msecs_to_jiffies(1000 * (phba->fc_ratov * 2))); |
da0436e9 JS |
7694 | |
7695 | /* Start heart beat timer */ | |
7696 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 | 7697 | jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); |
da0436e9 JS |
7698 | phba->hb_outstanding = 0; |
7699 | phba->last_completion_time = jiffies; | |
7700 | ||
7701 | /* Start error attention (ERATT) polling timer */ | |
256ec0d0 | 7702 | mod_timer(&phba->eratt_poll, |
65791f1f | 7703 | jiffies + msecs_to_jiffies(1000 * phba->eratt_poll_interval)); |
da0436e9 | 7704 | |
75baf696 JS |
7705 | /* Enable PCIe device Advanced Error Reporting (AER) if configured */ |
7706 | if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) { | |
7707 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
7708 | if (!rc) { | |
7709 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7710 | "2829 This device supports " | |
7711 | "Advanced Error Reporting (AER)\n"); | |
7712 | spin_lock_irq(&phba->hbalock); | |
7713 | phba->hba_flag |= HBA_AER_ENABLED; | |
7714 | spin_unlock_irq(&phba->hbalock); | |
7715 | } else { | |
7716 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7717 | "2830 This device does not support " | |
7718 | "Advanced Error Reporting (AER)\n"); | |
7719 | phba->cfg_aer_support = 0; | |
7720 | } | |
0a96e975 | 7721 | rc = 0; |
75baf696 JS |
7722 | } |
7723 | ||
da0436e9 JS |
7724 | /* |
7725 | * The port is ready, set the host's link state to LINK_DOWN | |
7726 | * in preparation for link interrupts. | |
7727 | */ | |
da0436e9 JS |
7728 | spin_lock_irq(&phba->hbalock); |
7729 | phba->link_state = LPFC_LINK_DOWN; | |
1dc5ec24 JS |
7730 | |
7731 | /* Check if physical ports are trunked */ | |
7732 | if (bf_get(lpfc_conf_trunk_port0, &phba->sli4_hba)) | |
7733 | phba->trunk_link.link0.state = LPFC_LINK_DOWN; | |
7734 | if (bf_get(lpfc_conf_trunk_port1, &phba->sli4_hba)) | |
7735 | phba->trunk_link.link1.state = LPFC_LINK_DOWN; | |
7736 | if (bf_get(lpfc_conf_trunk_port2, &phba->sli4_hba)) | |
7737 | phba->trunk_link.link2.state = LPFC_LINK_DOWN; | |
7738 | if (bf_get(lpfc_conf_trunk_port3, &phba->sli4_hba)) | |
7739 | phba->trunk_link.link3.state = LPFC_LINK_DOWN; | |
da0436e9 | 7740 | spin_unlock_irq(&phba->hbalock); |
1dc5ec24 | 7741 | |
026abb87 JS |
7742 | if (!(phba->hba_flag & HBA_FCOE_MODE) && |
7743 | (phba->hba_flag & LINK_DISABLED)) { | |
7744 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_SLI, | |
7745 | "3103 Adapter Link is disabled.\n"); | |
7746 | lpfc_down_link(phba, mboxq); | |
7747 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7748 | if (rc != MBX_SUCCESS) { | |
7749 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_SLI, | |
7750 | "3104 Adapter failed to issue " | |
7751 | "DOWN_LINK mbox cmd, rc:x%x\n", rc); | |
c490850a | 7752 | goto out_io_buff_free; |
026abb87 JS |
7753 | } |
7754 | } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) { | |
1b51197d JS |
7755 | /* don't perform init_link on SLI4 FC port loopback test */ |
7756 | if (!(phba->link_flag & LS_LOOPBACK_MODE)) { | |
7757 | rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); | |
7758 | if (rc) | |
c490850a | 7759 | goto out_io_buff_free; |
1b51197d | 7760 | } |
5350d872 JS |
7761 | } |
7762 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7763 | return rc; | |
c490850a JS |
7764 | out_io_buff_free: |
7765 | /* Free allocated IO Buffers */ | |
7766 | lpfc_io_free(phba); | |
76a95d75 | 7767 | out_unset_queue: |
da0436e9 | 7768 | /* Unset all the queues set up in this routine when error out */ |
5350d872 JS |
7769 | lpfc_sli4_queue_unset(phba); |
7770 | out_destroy_queue: | |
6c621a22 | 7771 | lpfc_free_iocb_list(phba); |
5350d872 | 7772 | lpfc_sli4_queue_destroy(phba); |
da0436e9 | 7773 | out_stop_timers: |
5350d872 | 7774 | lpfc_stop_hba_timers(phba); |
da0436e9 JS |
7775 | out_free_mbox: |
7776 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7777 | return rc; | |
7778 | } | |
7779 | ||
7780 | /** | |
7781 | * lpfc_mbox_timeout - Timeout call back function for mbox timer | |
7782 | * @ptr: context object - pointer to hba structure. | |
7783 | * | |
7784 | * This is the callback function for mailbox timer. The mailbox | |
7785 | * timer is armed when a new mailbox command is issued and the timer | |
7786 | * is deleted when the mailbox complete. The function is called by | |
7787 | * the kernel timer code when a mailbox does not complete within | |
7788 | * expected time. This function wakes up the worker thread to | |
7789 | * process the mailbox timeout and returns. All the processing is | |
7790 | * done by the worker thread function lpfc_mbox_timeout_handler. | |
7791 | **/ | |
7792 | void | |
f22eb4d3 | 7793 | lpfc_mbox_timeout(struct timer_list *t) |
da0436e9 | 7794 | { |
f22eb4d3 | 7795 | struct lpfc_hba *phba = from_timer(phba, t, sli.mbox_tmo); |
da0436e9 JS |
7796 | unsigned long iflag; |
7797 | uint32_t tmo_posted; | |
7798 | ||
7799 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
7800 | tmo_posted = phba->pport->work_port_events & WORKER_MBOX_TMO; | |
7801 | if (!tmo_posted) | |
7802 | phba->pport->work_port_events |= WORKER_MBOX_TMO; | |
7803 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
7804 | ||
7805 | if (!tmo_posted) | |
7806 | lpfc_worker_wake_up(phba); | |
7807 | return; | |
7808 | } | |
7809 | ||
e8d3c3b1 JS |
7810 | /** |
7811 | * lpfc_sli4_mbox_completions_pending - check to see if any mailbox completions | |
7812 | * are pending | |
7813 | * @phba: Pointer to HBA context object. | |
7814 | * | |
7815 | * This function checks if any mailbox completions are present on the mailbox | |
7816 | * completion queue. | |
7817 | **/ | |
3bb11fc5 | 7818 | static bool |
e8d3c3b1 JS |
7819 | lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba) |
7820 | { | |
7821 | ||
7822 | uint32_t idx; | |
7823 | struct lpfc_queue *mcq; | |
7824 | struct lpfc_mcqe *mcqe; | |
7825 | bool pending_completions = false; | |
7365f6fd | 7826 | uint8_t qe_valid; |
e8d3c3b1 JS |
7827 | |
7828 | if (unlikely(!phba) || (phba->sli_rev != LPFC_SLI_REV4)) | |
7829 | return false; | |
7830 | ||
7831 | /* Check for completions on mailbox completion queue */ | |
7832 | ||
7833 | mcq = phba->sli4_hba.mbx_cq; | |
7834 | idx = mcq->hba_index; | |
7365f6fd JS |
7835 | qe_valid = mcq->qe_valid; |
7836 | while (bf_get_le32(lpfc_cqe_valid, mcq->qe[idx].cqe) == qe_valid) { | |
e8d3c3b1 JS |
7837 | mcqe = (struct lpfc_mcqe *)mcq->qe[idx].cqe; |
7838 | if (bf_get_le32(lpfc_trailer_completed, mcqe) && | |
7839 | (!bf_get_le32(lpfc_trailer_async, mcqe))) { | |
7840 | pending_completions = true; | |
7841 | break; | |
7842 | } | |
7843 | idx = (idx + 1) % mcq->entry_count; | |
7844 | if (mcq->hba_index == idx) | |
7845 | break; | |
7365f6fd JS |
7846 | |
7847 | /* if the index wrapped around, toggle the valid bit */ | |
7848 | if (phba->sli4_hba.pc_sli4_params.cqav && !idx) | |
7849 | qe_valid = (qe_valid) ? 0 : 1; | |
e8d3c3b1 JS |
7850 | } |
7851 | return pending_completions; | |
7852 | ||
7853 | } | |
7854 | ||
7855 | /** | |
7856 | * lpfc_sli4_process_missed_mbox_completions - process mbox completions | |
7857 | * that were missed. | |
7858 | * @phba: Pointer to HBA context object. | |
7859 | * | |
7860 | * For sli4, it is possible to miss an interrupt. As such mbox completions | |
7861 | * maybe missed causing erroneous mailbox timeouts to occur. This function | |
7862 | * checks to see if mbox completions are on the mailbox completion queue | |
7863 | * and will process all the completions associated with the eq for the | |
7864 | * mailbox completion queue. | |
7865 | **/ | |
7866 | bool | |
7867 | lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba) | |
7868 | { | |
b71413dd | 7869 | struct lpfc_sli4_hba *sli4_hba = &phba->sli4_hba; |
e8d3c3b1 JS |
7870 | uint32_t eqidx; |
7871 | struct lpfc_queue *fpeq = NULL; | |
7872 | struct lpfc_eqe *eqe; | |
7873 | bool mbox_pending; | |
7874 | ||
7875 | if (unlikely(!phba) || (phba->sli_rev != LPFC_SLI_REV4)) | |
7876 | return false; | |
7877 | ||
7878 | /* Find the eq associated with the mcq */ | |
7879 | ||
cdb42bec JS |
7880 | if (sli4_hba->hdwq) |
7881 | for (eqidx = 0; eqidx < phba->cfg_hdw_queue; eqidx++) | |
7882 | if (sli4_hba->hdwq[eqidx].hba_eq->queue_id == | |
b71413dd | 7883 | sli4_hba->mbx_cq->assoc_qid) { |
cdb42bec | 7884 | fpeq = sli4_hba->hdwq[eqidx].hba_eq; |
e8d3c3b1 JS |
7885 | break; |
7886 | } | |
7887 | if (!fpeq) | |
7888 | return false; | |
7889 | ||
7890 | /* Turn off interrupts from this EQ */ | |
7891 | ||
b71413dd | 7892 | sli4_hba->sli4_eq_clr_intr(fpeq); |
e8d3c3b1 JS |
7893 | |
7894 | /* Check to see if a mbox completion is pending */ | |
7895 | ||
7896 | mbox_pending = lpfc_sli4_mbox_completions_pending(phba); | |
7897 | ||
7898 | /* | |
7899 | * If a mbox completion is pending, process all the events on EQ | |
7900 | * associated with the mbox completion queue (this could include | |
7901 | * mailbox commands, async events, els commands, receive queue data | |
7902 | * and fcp commands) | |
7903 | */ | |
7904 | ||
7905 | if (mbox_pending) | |
7906 | while ((eqe = lpfc_sli4_eq_get(fpeq))) { | |
7907 | lpfc_sli4_hba_handle_eqe(phba, eqe, eqidx); | |
7908 | fpeq->EQ_processed++; | |
7909 | } | |
7910 | ||
7911 | /* Always clear and re-arm the EQ */ | |
7912 | ||
b71413dd | 7913 | sli4_hba->sli4_eq_release(fpeq, LPFC_QUEUE_REARM); |
e8d3c3b1 JS |
7914 | |
7915 | return mbox_pending; | |
7916 | ||
7917 | } | |
da0436e9 JS |
7918 | |
7919 | /** | |
7920 | * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout | |
7921 | * @phba: Pointer to HBA context object. | |
7922 | * | |
7923 | * This function is called from worker thread when a mailbox command times out. | |
7924 | * The caller is not required to hold any locks. This function will reset the | |
7925 | * HBA and recover all the pending commands. | |
7926 | **/ | |
7927 | void | |
7928 | lpfc_mbox_timeout_handler(struct lpfc_hba *phba) | |
7929 | { | |
7930 | LPFC_MBOXQ_t *pmbox = phba->sli.mbox_active; | |
eb016566 JS |
7931 | MAILBOX_t *mb = NULL; |
7932 | ||
da0436e9 | 7933 | struct lpfc_sli *psli = &phba->sli; |
da0436e9 | 7934 | |
e8d3c3b1 JS |
7935 | /* If the mailbox completed, process the completion and return */ |
7936 | if (lpfc_sli4_process_missed_mbox_completions(phba)) | |
7937 | return; | |
7938 | ||
eb016566 JS |
7939 | if (pmbox != NULL) |
7940 | mb = &pmbox->u.mb; | |
da0436e9 JS |
7941 | /* Check the pmbox pointer first. There is a race condition |
7942 | * between the mbox timeout handler getting executed in the | |
7943 | * worklist and the mailbox actually completing. When this | |
7944 | * race condition occurs, the mbox_active will be NULL. | |
7945 | */ | |
7946 | spin_lock_irq(&phba->hbalock); | |
7947 | if (pmbox == NULL) { | |
7948 | lpfc_printf_log(phba, KERN_WARNING, | |
7949 | LOG_MBOX | LOG_SLI, | |
7950 | "0353 Active Mailbox cleared - mailbox timeout " | |
7951 | "exiting\n"); | |
7952 | spin_unlock_irq(&phba->hbalock); | |
7953 | return; | |
7954 | } | |
7955 | ||
7956 | /* Mbox cmd <mbxCommand> timeout */ | |
7957 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7958 | "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", | |
7959 | mb->mbxCommand, | |
7960 | phba->pport->port_state, | |
7961 | phba->sli.sli_flag, | |
7962 | phba->sli.mbox_active); | |
7963 | spin_unlock_irq(&phba->hbalock); | |
7964 | ||
7965 | /* Setting state unknown so lpfc_sli_abort_iocb_ring | |
7966 | * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing | |
25985edc | 7967 | * it to fail all outstanding SCSI IO. |
da0436e9 JS |
7968 | */ |
7969 | spin_lock_irq(&phba->pport->work_port_lock); | |
7970 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
7971 | spin_unlock_irq(&phba->pport->work_port_lock); | |
7972 | spin_lock_irq(&phba->hbalock); | |
7973 | phba->link_state = LPFC_LINK_UNKNOWN; | |
f4b4c68f | 7974 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
da0436e9 JS |
7975 | spin_unlock_irq(&phba->hbalock); |
7976 | ||
db55fba8 | 7977 | lpfc_sli_abort_fcp_rings(phba); |
da0436e9 JS |
7978 | |
7979 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7980 | "0345 Resetting board due to mailbox timeout\n"); | |
7981 | ||
7982 | /* Reset the HBA device */ | |
7983 | lpfc_reset_hba(phba); | |
7984 | } | |
7985 | ||
7986 | /** | |
7987 | * lpfc_sli_issue_mbox_s3 - Issue an SLI3 mailbox command to firmware | |
7988 | * @phba: Pointer to HBA context object. | |
7989 | * @pmbox: Pointer to mailbox object. | |
7990 | * @flag: Flag indicating how the mailbox need to be processed. | |
7991 | * | |
7992 | * This function is called by discovery code and HBA management code | |
7993 | * to submit a mailbox command to firmware with SLI-3 interface spec. This | |
7994 | * function gets the hbalock to protect the data structures. | |
7995 | * The mailbox command can be submitted in polling mode, in which case | |
7996 | * this function will wait in a polling loop for the completion of the | |
7997 | * mailbox. | |
7998 | * If the mailbox is submitted in no_wait mode (not polling) the | |
7999 | * function will submit the command and returns immediately without waiting | |
8000 | * for the mailbox completion. The no_wait is supported only when HBA | |
8001 | * is in SLI2/SLI3 mode - interrupts are enabled. | |
8002 | * The SLI interface allows only one mailbox pending at a time. If the | |
8003 | * mailbox is issued in polling mode and there is already a mailbox | |
8004 | * pending, then the function will return an error. If the mailbox is issued | |
8005 | * in NO_WAIT mode and there is a mailbox pending already, the function | |
8006 | * will return MBX_BUSY after queuing the mailbox into mailbox queue. | |
8007 | * The sli layer owns the mailbox object until the completion of mailbox | |
8008 | * command if this function return MBX_BUSY or MBX_SUCCESS. For all other | |
8009 | * return codes the caller owns the mailbox command after the return of | |
8010 | * the function. | |
e59058c4 | 8011 | **/ |
3772a991 JS |
8012 | static int |
8013 | lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, | |
8014 | uint32_t flag) | |
dea3101e | 8015 | { |
bf07bdea | 8016 | MAILBOX_t *mbx; |
2e0fef85 | 8017 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 8018 | uint32_t status, evtctr; |
9940b97b | 8019 | uint32_t ha_copy, hc_copy; |
dea3101e | 8020 | int i; |
09372820 | 8021 | unsigned long timeout; |
dea3101e | 8022 | unsigned long drvr_flag = 0; |
34b02dcd | 8023 | uint32_t word0, ldata; |
dea3101e | 8024 | void __iomem *to_slim; |
58da1ffb JS |
8025 | int processing_queue = 0; |
8026 | ||
8027 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
8028 | if (!pmbox) { | |
8568a4d2 | 8029 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
58da1ffb | 8030 | /* processing mbox queue from intr_handler */ |
3772a991 JS |
8031 | if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { |
8032 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8033 | return MBX_SUCCESS; | |
8034 | } | |
58da1ffb | 8035 | processing_queue = 1; |
58da1ffb JS |
8036 | pmbox = lpfc_mbox_get(phba); |
8037 | if (!pmbox) { | |
8038 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8039 | return MBX_SUCCESS; | |
8040 | } | |
8041 | } | |
dea3101e | 8042 | |
ed957684 | 8043 | if (pmbox->mbox_cmpl && pmbox->mbox_cmpl != lpfc_sli_def_mbox_cmpl && |
92d7f7b0 | 8044 | pmbox->mbox_cmpl != lpfc_sli_wake_mbox_wait) { |
ed957684 | 8045 | if(!pmbox->vport) { |
58da1ffb | 8046 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
ed957684 | 8047 | lpfc_printf_log(phba, KERN_ERR, |
92d7f7b0 | 8048 | LOG_MBOX | LOG_VPORT, |
e8b62011 | 8049 | "1806 Mbox x%x failed. No vport\n", |
3772a991 | 8050 | pmbox->u.mb.mbxCommand); |
ed957684 | 8051 | dump_stack(); |
58da1ffb | 8052 | goto out_not_finished; |
ed957684 JS |
8053 | } |
8054 | } | |
8055 | ||
8d63f375 | 8056 | /* If the PCI channel is in offline state, do not post mbox. */ |
58da1ffb JS |
8057 | if (unlikely(pci_channel_offline(phba->pcidev))) { |
8058 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8059 | goto out_not_finished; | |
8060 | } | |
8d63f375 | 8061 | |
a257bf90 JS |
8062 | /* If HBA has a deferred error attention, fail the iocb. */ |
8063 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
8064 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8065 | goto out_not_finished; | |
8066 | } | |
8067 | ||
dea3101e | 8068 | psli = &phba->sli; |
92d7f7b0 | 8069 | |
bf07bdea | 8070 | mbx = &pmbox->u.mb; |
dea3101e | 8071 | status = MBX_SUCCESS; |
8072 | ||
2e0fef85 JS |
8073 | if (phba->link_state == LPFC_HBA_ERROR) { |
8074 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
41415862 JW |
8075 | |
8076 | /* Mbox command <mbxCommand> cannot issue */ | |
3772a991 JS |
8077 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
8078 | "(%d):0311 Mailbox command x%x cannot " | |
8079 | "issue Data: x%x x%x\n", | |
8080 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8081 | pmbox->u.mb.mbxCommand, psli->sli_flag, flag); | |
58da1ffb | 8082 | goto out_not_finished; |
41415862 JW |
8083 | } |
8084 | ||
bf07bdea | 8085 | if (mbx->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT) { |
9940b97b JS |
8086 | if (lpfc_readl(phba->HCregaddr, &hc_copy) || |
8087 | !(hc_copy & HC_MBINT_ENA)) { | |
8088 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8089 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
3772a991 JS |
8090 | "(%d):2528 Mailbox command x%x cannot " |
8091 | "issue Data: x%x x%x\n", | |
8092 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8093 | pmbox->u.mb.mbxCommand, psli->sli_flag, flag); | |
9940b97b JS |
8094 | goto out_not_finished; |
8095 | } | |
9290831f JS |
8096 | } |
8097 | ||
dea3101e | 8098 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { |
8099 | /* Polling for a mbox command when another one is already active | |
8100 | * is not allowed in SLI. Also, the driver must have established | |
8101 | * SLI2 mode to queue and process multiple mbox commands. | |
8102 | */ | |
8103 | ||
8104 | if (flag & MBX_POLL) { | |
2e0fef85 | 8105 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 8106 | |
8107 | /* Mbox command <mbxCommand> cannot issue */ | |
3772a991 JS |
8108 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
8109 | "(%d):2529 Mailbox command x%x " | |
8110 | "cannot issue Data: x%x x%x\n", | |
8111 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8112 | pmbox->u.mb.mbxCommand, | |
8113 | psli->sli_flag, flag); | |
58da1ffb | 8114 | goto out_not_finished; |
dea3101e | 8115 | } |
8116 | ||
3772a991 | 8117 | if (!(psli->sli_flag & LPFC_SLI_ACTIVE)) { |
2e0fef85 | 8118 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 8119 | /* Mbox command <mbxCommand> cannot issue */ |
3772a991 JS |
8120 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
8121 | "(%d):2530 Mailbox command x%x " | |
8122 | "cannot issue Data: x%x x%x\n", | |
8123 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8124 | pmbox->u.mb.mbxCommand, | |
8125 | psli->sli_flag, flag); | |
58da1ffb | 8126 | goto out_not_finished; |
dea3101e | 8127 | } |
8128 | ||
dea3101e | 8129 | /* Another mailbox command is still being processed, queue this |
8130 | * command to be processed later. | |
8131 | */ | |
8132 | lpfc_mbox_put(phba, pmbox); | |
8133 | ||
8134 | /* Mbox cmd issue - BUSY */ | |
ed957684 | 8135 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 8136 | "(%d):0308 Mbox cmd issue - BUSY Data: " |
92d7f7b0 | 8137 | "x%x x%x x%x x%x\n", |
92d7f7b0 | 8138 | pmbox->vport ? pmbox->vport->vpi : 0xffffff, |
e92974f6 JS |
8139 | mbx->mbxCommand, |
8140 | phba->pport ? phba->pport->port_state : 0xff, | |
92d7f7b0 | 8141 | psli->sli_flag, flag); |
dea3101e | 8142 | |
8143 | psli->slistat.mbox_busy++; | |
2e0fef85 | 8144 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 8145 | |
858c9f6c JS |
8146 | if (pmbox->vport) { |
8147 | lpfc_debugfs_disc_trc(pmbox->vport, | |
8148 | LPFC_DISC_TRC_MBOX_VPORT, | |
8149 | "MBOX Bsy vport: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
8150 | (uint32_t)mbx->mbxCommand, |
8151 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
8152 | } |
8153 | else { | |
8154 | lpfc_debugfs_disc_trc(phba->pport, | |
8155 | LPFC_DISC_TRC_MBOX, | |
8156 | "MBOX Bsy: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
8157 | (uint32_t)mbx->mbxCommand, |
8158 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
8159 | } |
8160 | ||
2e0fef85 | 8161 | return MBX_BUSY; |
dea3101e | 8162 | } |
8163 | ||
dea3101e | 8164 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
8165 | ||
8166 | /* If we are not polling, we MUST be in SLI2 mode */ | |
8167 | if (flag != MBX_POLL) { | |
3772a991 | 8168 | if (!(psli->sli_flag & LPFC_SLI_ACTIVE) && |
bf07bdea | 8169 | (mbx->mbxCommand != MBX_KILL_BOARD)) { |
dea3101e | 8170 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 8171 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 8172 | /* Mbox command <mbxCommand> cannot issue */ |
3772a991 JS |
8173 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
8174 | "(%d):2531 Mailbox command x%x " | |
8175 | "cannot issue Data: x%x x%x\n", | |
8176 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8177 | pmbox->u.mb.mbxCommand, | |
8178 | psli->sli_flag, flag); | |
58da1ffb | 8179 | goto out_not_finished; |
dea3101e | 8180 | } |
8181 | /* timeout active mbox command */ | |
256ec0d0 JS |
8182 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) * |
8183 | 1000); | |
8184 | mod_timer(&psli->mbox_tmo, jiffies + timeout); | |
dea3101e | 8185 | } |
8186 | ||
8187 | /* Mailbox cmd <cmd> issue */ | |
ed957684 | 8188 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 8189 | "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x " |
92d7f7b0 | 8190 | "x%x\n", |
e8b62011 | 8191 | pmbox->vport ? pmbox->vport->vpi : 0, |
e92974f6 JS |
8192 | mbx->mbxCommand, |
8193 | phba->pport ? phba->pport->port_state : 0xff, | |
92d7f7b0 | 8194 | psli->sli_flag, flag); |
dea3101e | 8195 | |
bf07bdea | 8196 | if (mbx->mbxCommand != MBX_HEARTBEAT) { |
858c9f6c JS |
8197 | if (pmbox->vport) { |
8198 | lpfc_debugfs_disc_trc(pmbox->vport, | |
8199 | LPFC_DISC_TRC_MBOX_VPORT, | |
8200 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
8201 | (uint32_t)mbx->mbxCommand, |
8202 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
8203 | } |
8204 | else { | |
8205 | lpfc_debugfs_disc_trc(phba->pport, | |
8206 | LPFC_DISC_TRC_MBOX, | |
8207 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
8208 | (uint32_t)mbx->mbxCommand, |
8209 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
8210 | } |
8211 | } | |
8212 | ||
dea3101e | 8213 | psli->slistat.mbox_cmd++; |
8214 | evtctr = psli->slistat.mbox_event; | |
8215 | ||
8216 | /* next set own bit for the adapter and copy over command word */ | |
bf07bdea | 8217 | mbx->mbxOwner = OWN_CHIP; |
dea3101e | 8218 | |
3772a991 | 8219 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
7a470277 JS |
8220 | /* Populate mbox extension offset word. */ |
8221 | if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) { | |
bf07bdea | 8222 | *(((uint32_t *)mbx) + pmbox->mbox_offset_word) |
7a470277 JS |
8223 | = (uint8_t *)phba->mbox_ext |
8224 | - (uint8_t *)phba->mbox; | |
8225 | } | |
8226 | ||
8227 | /* Copy the mailbox extension data */ | |
3e1f0718 JS |
8228 | if (pmbox->in_ext_byte_len && pmbox->ctx_buf) { |
8229 | lpfc_sli_pcimem_bcopy(pmbox->ctx_buf, | |
8230 | (uint8_t *)phba->mbox_ext, | |
8231 | pmbox->in_ext_byte_len); | |
7a470277 JS |
8232 | } |
8233 | /* Copy command data to host SLIM area */ | |
bf07bdea | 8234 | lpfc_sli_pcimem_bcopy(mbx, phba->mbox, MAILBOX_CMD_SIZE); |
dea3101e | 8235 | } else { |
7a470277 JS |
8236 | /* Populate mbox extension offset word. */ |
8237 | if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) | |
bf07bdea | 8238 | *(((uint32_t *)mbx) + pmbox->mbox_offset_word) |
7a470277 JS |
8239 | = MAILBOX_HBA_EXT_OFFSET; |
8240 | ||
8241 | /* Copy the mailbox extension data */ | |
3e1f0718 | 8242 | if (pmbox->in_ext_byte_len && pmbox->ctx_buf) |
7a470277 JS |
8243 | lpfc_memcpy_to_slim(phba->MBslimaddr + |
8244 | MAILBOX_HBA_EXT_OFFSET, | |
3e1f0718 | 8245 | pmbox->ctx_buf, pmbox->in_ext_byte_len); |
7a470277 | 8246 | |
895427bd | 8247 | if (mbx->mbxCommand == MBX_CONFIG_PORT) |
dea3101e | 8248 | /* copy command data into host mbox for cmpl */ |
895427bd JS |
8249 | lpfc_sli_pcimem_bcopy(mbx, phba->mbox, |
8250 | MAILBOX_CMD_SIZE); | |
dea3101e | 8251 | |
8252 | /* First copy mbox command data to HBA SLIM, skip past first | |
8253 | word */ | |
8254 | to_slim = phba->MBslimaddr + sizeof (uint32_t); | |
bf07bdea | 8255 | lpfc_memcpy_to_slim(to_slim, &mbx->un.varWords[0], |
dea3101e | 8256 | MAILBOX_CMD_SIZE - sizeof (uint32_t)); |
8257 | ||
8258 | /* Next copy over first word, with mbxOwner set */ | |
bf07bdea | 8259 | ldata = *((uint32_t *)mbx); |
dea3101e | 8260 | to_slim = phba->MBslimaddr; |
8261 | writel(ldata, to_slim); | |
8262 | readl(to_slim); /* flush */ | |
8263 | ||
895427bd | 8264 | if (mbx->mbxCommand == MBX_CONFIG_PORT) |
dea3101e | 8265 | /* switch over to host mailbox */ |
3772a991 | 8266 | psli->sli_flag |= LPFC_SLI_ACTIVE; |
dea3101e | 8267 | } |
8268 | ||
8269 | wmb(); | |
dea3101e | 8270 | |
8271 | switch (flag) { | |
8272 | case MBX_NOWAIT: | |
09372820 | 8273 | /* Set up reference to mailbox command */ |
dea3101e | 8274 | psli->mbox_active = pmbox; |
09372820 JS |
8275 | /* Interrupt board to do it */ |
8276 | writel(CA_MBATT, phba->CAregaddr); | |
8277 | readl(phba->CAregaddr); /* flush */ | |
8278 | /* Don't wait for it to finish, just return */ | |
dea3101e | 8279 | break; |
8280 | ||
8281 | case MBX_POLL: | |
09372820 | 8282 | /* Set up null reference to mailbox command */ |
dea3101e | 8283 | psli->mbox_active = NULL; |
09372820 JS |
8284 | /* Interrupt board to do it */ |
8285 | writel(CA_MBATT, phba->CAregaddr); | |
8286 | readl(phba->CAregaddr); /* flush */ | |
8287 | ||
3772a991 | 8288 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 8289 | /* First read mbox status word */ |
34b02dcd | 8290 | word0 = *((uint32_t *)phba->mbox); |
dea3101e | 8291 | word0 = le32_to_cpu(word0); |
8292 | } else { | |
8293 | /* First read mbox status word */ | |
9940b97b JS |
8294 | if (lpfc_readl(phba->MBslimaddr, &word0)) { |
8295 | spin_unlock_irqrestore(&phba->hbalock, | |
8296 | drvr_flag); | |
8297 | goto out_not_finished; | |
8298 | } | |
dea3101e | 8299 | } |
8300 | ||
8301 | /* Read the HBA Host Attention Register */ | |
9940b97b JS |
8302 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) { |
8303 | spin_unlock_irqrestore(&phba->hbalock, | |
8304 | drvr_flag); | |
8305 | goto out_not_finished; | |
8306 | } | |
a183a15f JS |
8307 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) * |
8308 | 1000) + jiffies; | |
09372820 | 8309 | i = 0; |
dea3101e | 8310 | /* Wait for command to complete */ |
41415862 JW |
8311 | while (((word0 & OWN_CHIP) == OWN_CHIP) || |
8312 | (!(ha_copy & HA_MBATT) && | |
2e0fef85 | 8313 | (phba->link_state > LPFC_WARM_START))) { |
09372820 | 8314 | if (time_after(jiffies, timeout)) { |
dea3101e | 8315 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 8316 | spin_unlock_irqrestore(&phba->hbalock, |
dea3101e | 8317 | drvr_flag); |
58da1ffb | 8318 | goto out_not_finished; |
dea3101e | 8319 | } |
8320 | ||
8321 | /* Check if we took a mbox interrupt while we were | |
8322 | polling */ | |
8323 | if (((word0 & OWN_CHIP) != OWN_CHIP) | |
8324 | && (evtctr != psli->slistat.mbox_event)) | |
8325 | break; | |
8326 | ||
09372820 JS |
8327 | if (i++ > 10) { |
8328 | spin_unlock_irqrestore(&phba->hbalock, | |
8329 | drvr_flag); | |
8330 | msleep(1); | |
8331 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
8332 | } | |
dea3101e | 8333 | |
3772a991 | 8334 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 8335 | /* First copy command data */ |
34b02dcd | 8336 | word0 = *((uint32_t *)phba->mbox); |
dea3101e | 8337 | word0 = le32_to_cpu(word0); |
bf07bdea | 8338 | if (mbx->mbxCommand == MBX_CONFIG_PORT) { |
dea3101e | 8339 | MAILBOX_t *slimmb; |
34b02dcd | 8340 | uint32_t slimword0; |
dea3101e | 8341 | /* Check real SLIM for any errors */ |
8342 | slimword0 = readl(phba->MBslimaddr); | |
8343 | slimmb = (MAILBOX_t *) & slimword0; | |
8344 | if (((slimword0 & OWN_CHIP) != OWN_CHIP) | |
8345 | && slimmb->mbxStatus) { | |
8346 | psli->sli_flag &= | |
3772a991 | 8347 | ~LPFC_SLI_ACTIVE; |
dea3101e | 8348 | word0 = slimword0; |
8349 | } | |
8350 | } | |
8351 | } else { | |
8352 | /* First copy command data */ | |
8353 | word0 = readl(phba->MBslimaddr); | |
8354 | } | |
8355 | /* Read the HBA Host Attention Register */ | |
9940b97b JS |
8356 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) { |
8357 | spin_unlock_irqrestore(&phba->hbalock, | |
8358 | drvr_flag); | |
8359 | goto out_not_finished; | |
8360 | } | |
dea3101e | 8361 | } |
8362 | ||
3772a991 | 8363 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 8364 | /* copy results back to user */ |
2ea259ee JS |
8365 | lpfc_sli_pcimem_bcopy(phba->mbox, mbx, |
8366 | MAILBOX_CMD_SIZE); | |
7a470277 | 8367 | /* Copy the mailbox extension data */ |
3e1f0718 | 8368 | if (pmbox->out_ext_byte_len && pmbox->ctx_buf) { |
7a470277 | 8369 | lpfc_sli_pcimem_bcopy(phba->mbox_ext, |
3e1f0718 | 8370 | pmbox->ctx_buf, |
7a470277 JS |
8371 | pmbox->out_ext_byte_len); |
8372 | } | |
dea3101e | 8373 | } else { |
8374 | /* First copy command data */ | |
bf07bdea | 8375 | lpfc_memcpy_from_slim(mbx, phba->MBslimaddr, |
2ea259ee | 8376 | MAILBOX_CMD_SIZE); |
7a470277 | 8377 | /* Copy the mailbox extension data */ |
3e1f0718 JS |
8378 | if (pmbox->out_ext_byte_len && pmbox->ctx_buf) { |
8379 | lpfc_memcpy_from_slim( | |
8380 | pmbox->ctx_buf, | |
7a470277 JS |
8381 | phba->MBslimaddr + |
8382 | MAILBOX_HBA_EXT_OFFSET, | |
8383 | pmbox->out_ext_byte_len); | |
dea3101e | 8384 | } |
8385 | } | |
8386 | ||
8387 | writel(HA_MBATT, phba->HAregaddr); | |
8388 | readl(phba->HAregaddr); /* flush */ | |
8389 | ||
8390 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
bf07bdea | 8391 | status = mbx->mbxStatus; |
dea3101e | 8392 | } |
8393 | ||
2e0fef85 JS |
8394 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
8395 | return status; | |
58da1ffb JS |
8396 | |
8397 | out_not_finished: | |
8398 | if (processing_queue) { | |
da0436e9 | 8399 | pmbox->u.mb.mbxStatus = MBX_NOT_FINISHED; |
58da1ffb JS |
8400 | lpfc_mbox_cmpl_put(phba, pmbox); |
8401 | } | |
8402 | return MBX_NOT_FINISHED; | |
dea3101e | 8403 | } |
8404 | ||
f1126688 JS |
8405 | /** |
8406 | * lpfc_sli4_async_mbox_block - Block posting SLI4 asynchronous mailbox command | |
8407 | * @phba: Pointer to HBA context object. | |
8408 | * | |
8409 | * The function blocks the posting of SLI4 asynchronous mailbox commands from | |
8410 | * the driver internal pending mailbox queue. It will then try to wait out the | |
8411 | * possible outstanding mailbox command before return. | |
8412 | * | |
8413 | * Returns: | |
8414 | * 0 - the outstanding mailbox command completed; otherwise, the wait for | |
8415 | * the outstanding mailbox command timed out. | |
8416 | **/ | |
8417 | static int | |
8418 | lpfc_sli4_async_mbox_block(struct lpfc_hba *phba) | |
8419 | { | |
8420 | struct lpfc_sli *psli = &phba->sli; | |
f1126688 | 8421 | int rc = 0; |
a183a15f | 8422 | unsigned long timeout = 0; |
f1126688 JS |
8423 | |
8424 | /* Mark the asynchronous mailbox command posting as blocked */ | |
8425 | spin_lock_irq(&phba->hbalock); | |
8426 | psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
f1126688 JS |
8427 | /* Determine how long we might wait for the active mailbox |
8428 | * command to be gracefully completed by firmware. | |
8429 | */ | |
a183a15f JS |
8430 | if (phba->sli.mbox_active) |
8431 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
8432 | phba->sli.mbox_active) * | |
8433 | 1000) + jiffies; | |
8434 | spin_unlock_irq(&phba->hbalock); | |
8435 | ||
e8d3c3b1 JS |
8436 | /* Make sure the mailbox is really active */ |
8437 | if (timeout) | |
8438 | lpfc_sli4_process_missed_mbox_completions(phba); | |
8439 | ||
f1126688 JS |
8440 | /* Wait for the outstnading mailbox command to complete */ |
8441 | while (phba->sli.mbox_active) { | |
8442 | /* Check active mailbox complete status every 2ms */ | |
8443 | msleep(2); | |
8444 | if (time_after(jiffies, timeout)) { | |
8445 | /* Timeout, marked the outstanding cmd not complete */ | |
8446 | rc = 1; | |
8447 | break; | |
8448 | } | |
8449 | } | |
8450 | ||
8451 | /* Can not cleanly block async mailbox command, fails it */ | |
8452 | if (rc) { | |
8453 | spin_lock_irq(&phba->hbalock); | |
8454 | psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
8455 | spin_unlock_irq(&phba->hbalock); | |
8456 | } | |
8457 | return rc; | |
8458 | } | |
8459 | ||
8460 | /** | |
8461 | * lpfc_sli4_async_mbox_unblock - Block posting SLI4 async mailbox command | |
8462 | * @phba: Pointer to HBA context object. | |
8463 | * | |
8464 | * The function unblocks and resume posting of SLI4 asynchronous mailbox | |
8465 | * commands from the driver internal pending mailbox queue. It makes sure | |
8466 | * that there is no outstanding mailbox command before resuming posting | |
8467 | * asynchronous mailbox commands. If, for any reason, there is outstanding | |
8468 | * mailbox command, it will try to wait it out before resuming asynchronous | |
8469 | * mailbox command posting. | |
8470 | **/ | |
8471 | static void | |
8472 | lpfc_sli4_async_mbox_unblock(struct lpfc_hba *phba) | |
8473 | { | |
8474 | struct lpfc_sli *psli = &phba->sli; | |
8475 | ||
8476 | spin_lock_irq(&phba->hbalock); | |
8477 | if (!(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { | |
8478 | /* Asynchronous mailbox posting is not blocked, do nothing */ | |
8479 | spin_unlock_irq(&phba->hbalock); | |
8480 | return; | |
8481 | } | |
8482 | ||
8483 | /* Outstanding synchronous mailbox command is guaranteed to be done, | |
8484 | * successful or timeout, after timing-out the outstanding mailbox | |
8485 | * command shall always be removed, so just unblock posting async | |
8486 | * mailbox command and resume | |
8487 | */ | |
8488 | psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
8489 | spin_unlock_irq(&phba->hbalock); | |
8490 | ||
8491 | /* wake up worker thread to post asynchronlous mailbox command */ | |
8492 | lpfc_worker_wake_up(phba); | |
8493 | } | |
8494 | ||
2d843edc JS |
8495 | /** |
8496 | * lpfc_sli4_wait_bmbx_ready - Wait for bootstrap mailbox register ready | |
8497 | * @phba: Pointer to HBA context object. | |
8498 | * @mboxq: Pointer to mailbox object. | |
8499 | * | |
8500 | * The function waits for the bootstrap mailbox register ready bit from | |
8501 | * port for twice the regular mailbox command timeout value. | |
8502 | * | |
8503 | * 0 - no timeout on waiting for bootstrap mailbox register ready. | |
8504 | * MBXERR_ERROR - wait for bootstrap mailbox register timed out. | |
8505 | **/ | |
8506 | static int | |
8507 | lpfc_sli4_wait_bmbx_ready(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
8508 | { | |
8509 | uint32_t db_ready; | |
8510 | unsigned long timeout; | |
8511 | struct lpfc_register bmbx_reg; | |
8512 | ||
8513 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mboxq) | |
8514 | * 1000) + jiffies; | |
8515 | ||
8516 | do { | |
8517 | bmbx_reg.word0 = readl(phba->sli4_hba.BMBXregaddr); | |
8518 | db_ready = bf_get(lpfc_bmbx_rdy, &bmbx_reg); | |
8519 | if (!db_ready) | |
8520 | msleep(2); | |
8521 | ||
8522 | if (time_after(jiffies, timeout)) | |
8523 | return MBXERR_ERROR; | |
8524 | } while (!db_ready); | |
8525 | ||
8526 | return 0; | |
8527 | } | |
8528 | ||
da0436e9 JS |
8529 | /** |
8530 | * lpfc_sli4_post_sync_mbox - Post an SLI4 mailbox to the bootstrap mailbox | |
8531 | * @phba: Pointer to HBA context object. | |
8532 | * @mboxq: Pointer to mailbox object. | |
8533 | * | |
8534 | * The function posts a mailbox to the port. The mailbox is expected | |
8535 | * to be comletely filled in and ready for the port to operate on it. | |
8536 | * This routine executes a synchronous completion operation on the | |
8537 | * mailbox by polling for its completion. | |
8538 | * | |
8539 | * The caller must not be holding any locks when calling this routine. | |
8540 | * | |
8541 | * Returns: | |
8542 | * MBX_SUCCESS - mailbox posted successfully | |
8543 | * Any of the MBX error values. | |
8544 | **/ | |
8545 | static int | |
8546 | lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
8547 | { | |
8548 | int rc = MBX_SUCCESS; | |
8549 | unsigned long iflag; | |
da0436e9 JS |
8550 | uint32_t mcqe_status; |
8551 | uint32_t mbx_cmnd; | |
da0436e9 JS |
8552 | struct lpfc_sli *psli = &phba->sli; |
8553 | struct lpfc_mqe *mb = &mboxq->u.mqe; | |
8554 | struct lpfc_bmbx_create *mbox_rgn; | |
8555 | struct dma_address *dma_address; | |
da0436e9 JS |
8556 | |
8557 | /* | |
8558 | * Only one mailbox can be active to the bootstrap mailbox region | |
8559 | * at a time and there is no queueing provided. | |
8560 | */ | |
8561 | spin_lock_irqsave(&phba->hbalock, iflag); | |
8562 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
8563 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
8564 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8565 | "(%d):2532 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
8566 | "cannot issue Data: x%x x%x\n", |
8567 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8568 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8569 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8570 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8571 | psli->sli_flag, MBX_POLL); |
8572 | return MBXERR_ERROR; | |
8573 | } | |
8574 | /* The server grabs the token and owns it until release */ | |
8575 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
8576 | phba->sli.mbox_active = mboxq; | |
8577 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
8578 | ||
2d843edc JS |
8579 | /* wait for bootstrap mbox register for readyness */ |
8580 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
8581 | if (rc) | |
8582 | goto exit; | |
da0436e9 JS |
8583 | /* |
8584 | * Initialize the bootstrap memory region to avoid stale data areas | |
8585 | * in the mailbox post. Then copy the caller's mailbox contents to | |
8586 | * the bmbx mailbox region. | |
8587 | */ | |
8588 | mbx_cmnd = bf_get(lpfc_mqe_command, mb); | |
8589 | memset(phba->sli4_hba.bmbx.avirt, 0, sizeof(struct lpfc_bmbx_create)); | |
48f8fdb4 JS |
8590 | lpfc_sli4_pcimem_bcopy(mb, phba->sli4_hba.bmbx.avirt, |
8591 | sizeof(struct lpfc_mqe)); | |
da0436e9 JS |
8592 | |
8593 | /* Post the high mailbox dma address to the port and wait for ready. */ | |
8594 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
8595 | writel(dma_address->addr_hi, phba->sli4_hba.BMBXregaddr); | |
8596 | ||
2d843edc JS |
8597 | /* wait for bootstrap mbox register for hi-address write done */ |
8598 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
8599 | if (rc) | |
8600 | goto exit; | |
da0436e9 JS |
8601 | |
8602 | /* Post the low mailbox dma address to the port. */ | |
8603 | writel(dma_address->addr_lo, phba->sli4_hba.BMBXregaddr); | |
da0436e9 | 8604 | |
2d843edc JS |
8605 | /* wait for bootstrap mbox register for low address write done */ |
8606 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
8607 | if (rc) | |
8608 | goto exit; | |
da0436e9 JS |
8609 | |
8610 | /* | |
8611 | * Read the CQ to ensure the mailbox has completed. | |
8612 | * If so, update the mailbox status so that the upper layers | |
8613 | * can complete the request normally. | |
8614 | */ | |
48f8fdb4 JS |
8615 | lpfc_sli4_pcimem_bcopy(phba->sli4_hba.bmbx.avirt, mb, |
8616 | sizeof(struct lpfc_mqe)); | |
da0436e9 | 8617 | mbox_rgn = (struct lpfc_bmbx_create *) phba->sli4_hba.bmbx.avirt; |
48f8fdb4 JS |
8618 | lpfc_sli4_pcimem_bcopy(&mbox_rgn->mcqe, &mboxq->mcqe, |
8619 | sizeof(struct lpfc_mcqe)); | |
da0436e9 | 8620 | mcqe_status = bf_get(lpfc_mcqe_status, &mbox_rgn->mcqe); |
0558056c JS |
8621 | /* |
8622 | * When the CQE status indicates a failure and the mailbox status | |
8623 | * indicates success then copy the CQE status into the mailbox status | |
8624 | * (and prefix it with x4000). | |
8625 | */ | |
da0436e9 | 8626 | if (mcqe_status != MB_CQE_STATUS_SUCCESS) { |
0558056c JS |
8627 | if (bf_get(lpfc_mqe_status, mb) == MBX_SUCCESS) |
8628 | bf_set(lpfc_mqe_status, mb, | |
8629 | (LPFC_MBX_ERROR_RANGE | mcqe_status)); | |
da0436e9 | 8630 | rc = MBXERR_ERROR; |
d7c47992 JS |
8631 | } else |
8632 | lpfc_sli4_swap_str(phba, mboxq); | |
da0436e9 JS |
8633 | |
8634 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
a183a15f | 8635 | "(%d):0356 Mailbox cmd x%x (x%x/x%x) Status x%x " |
da0436e9 JS |
8636 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x" |
8637 | " x%x x%x CQ: x%x x%x x%x x%x\n", | |
a183a15f JS |
8638 | mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd, |
8639 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
8640 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8641 | bf_get(lpfc_mqe_status, mb), |
8642 | mb->un.mb_words[0], mb->un.mb_words[1], | |
8643 | mb->un.mb_words[2], mb->un.mb_words[3], | |
8644 | mb->un.mb_words[4], mb->un.mb_words[5], | |
8645 | mb->un.mb_words[6], mb->un.mb_words[7], | |
8646 | mb->un.mb_words[8], mb->un.mb_words[9], | |
8647 | mb->un.mb_words[10], mb->un.mb_words[11], | |
8648 | mb->un.mb_words[12], mboxq->mcqe.word0, | |
8649 | mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1, | |
8650 | mboxq->mcqe.trailer); | |
8651 | exit: | |
8652 | /* We are holding the token, no needed for lock when release */ | |
8653 | spin_lock_irqsave(&phba->hbalock, iflag); | |
8654 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8655 | phba->sli.mbox_active = NULL; | |
8656 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
8657 | return rc; | |
8658 | } | |
8659 | ||
8660 | /** | |
8661 | * lpfc_sli_issue_mbox_s4 - Issue an SLI4 mailbox command to firmware | |
8662 | * @phba: Pointer to HBA context object. | |
8663 | * @pmbox: Pointer to mailbox object. | |
8664 | * @flag: Flag indicating how the mailbox need to be processed. | |
8665 | * | |
8666 | * This function is called by discovery code and HBA management code to submit | |
8667 | * a mailbox command to firmware with SLI-4 interface spec. | |
8668 | * | |
8669 | * Return codes the caller owns the mailbox command after the return of the | |
8670 | * function. | |
8671 | **/ | |
8672 | static int | |
8673 | lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
8674 | uint32_t flag) | |
8675 | { | |
8676 | struct lpfc_sli *psli = &phba->sli; | |
8677 | unsigned long iflags; | |
8678 | int rc; | |
8679 | ||
b76f2dc9 JS |
8680 | /* dump from issue mailbox command if setup */ |
8681 | lpfc_idiag_mbxacc_dump_issue_mbox(phba, &mboxq->u.mb); | |
8682 | ||
8fa38513 JS |
8683 | rc = lpfc_mbox_dev_check(phba); |
8684 | if (unlikely(rc)) { | |
8685 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8686 | "(%d):2544 Mailbox command x%x (x%x/x%x) " |
8fa38513 JS |
8687 | "cannot issue Data: x%x x%x\n", |
8688 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8689 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8690 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8691 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
8fa38513 JS |
8692 | psli->sli_flag, flag); |
8693 | goto out_not_finished; | |
8694 | } | |
8695 | ||
da0436e9 JS |
8696 | /* Detect polling mode and jump to a handler */ |
8697 | if (!phba->sli4_hba.intr_enable) { | |
8698 | if (flag == MBX_POLL) | |
8699 | rc = lpfc_sli4_post_sync_mbox(phba, mboxq); | |
8700 | else | |
8701 | rc = -EIO; | |
8702 | if (rc != MBX_SUCCESS) | |
0558056c | 8703 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, |
da0436e9 | 8704 | "(%d):2541 Mailbox command x%x " |
cc459f19 JS |
8705 | "(x%x/x%x) failure: " |
8706 | "mqe_sta: x%x mcqe_sta: x%x/x%x " | |
8707 | "Data: x%x x%x\n,", | |
da0436e9 JS |
8708 | mboxq->vport ? mboxq->vport->vpi : 0, |
8709 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8710 | lpfc_sli_config_mbox_subsys_get(phba, |
8711 | mboxq), | |
8712 | lpfc_sli_config_mbox_opcode_get(phba, | |
8713 | mboxq), | |
cc459f19 JS |
8714 | bf_get(lpfc_mqe_status, &mboxq->u.mqe), |
8715 | bf_get(lpfc_mcqe_status, &mboxq->mcqe), | |
8716 | bf_get(lpfc_mcqe_ext_status, | |
8717 | &mboxq->mcqe), | |
da0436e9 JS |
8718 | psli->sli_flag, flag); |
8719 | return rc; | |
8720 | } else if (flag == MBX_POLL) { | |
f1126688 JS |
8721 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, |
8722 | "(%d):2542 Try to issue mailbox command " | |
7365f6fd | 8723 | "x%x (x%x/x%x) synchronously ahead of async " |
f1126688 | 8724 | "mailbox command queue: x%x x%x\n", |
da0436e9 JS |
8725 | mboxq->vport ? mboxq->vport->vpi : 0, |
8726 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8727 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8728 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 | 8729 | psli->sli_flag, flag); |
f1126688 JS |
8730 | /* Try to block the asynchronous mailbox posting */ |
8731 | rc = lpfc_sli4_async_mbox_block(phba); | |
8732 | if (!rc) { | |
8733 | /* Successfully blocked, now issue sync mbox cmd */ | |
8734 | rc = lpfc_sli4_post_sync_mbox(phba, mboxq); | |
8735 | if (rc != MBX_SUCCESS) | |
cc459f19 | 8736 | lpfc_printf_log(phba, KERN_WARNING, |
a183a15f | 8737 | LOG_MBOX | LOG_SLI, |
cc459f19 JS |
8738 | "(%d):2597 Sync Mailbox command " |
8739 | "x%x (x%x/x%x) failure: " | |
8740 | "mqe_sta: x%x mcqe_sta: x%x/x%x " | |
8741 | "Data: x%x x%x\n,", | |
8742 | mboxq->vport ? mboxq->vport->vpi : 0, | |
a183a15f JS |
8743 | mboxq->u.mb.mbxCommand, |
8744 | lpfc_sli_config_mbox_subsys_get(phba, | |
8745 | mboxq), | |
8746 | lpfc_sli_config_mbox_opcode_get(phba, | |
8747 | mboxq), | |
cc459f19 JS |
8748 | bf_get(lpfc_mqe_status, &mboxq->u.mqe), |
8749 | bf_get(lpfc_mcqe_status, &mboxq->mcqe), | |
8750 | bf_get(lpfc_mcqe_ext_status, | |
8751 | &mboxq->mcqe), | |
a183a15f | 8752 | psli->sli_flag, flag); |
f1126688 JS |
8753 | /* Unblock the async mailbox posting afterward */ |
8754 | lpfc_sli4_async_mbox_unblock(phba); | |
8755 | } | |
8756 | return rc; | |
da0436e9 JS |
8757 | } |
8758 | ||
8759 | /* Now, interrupt mode asynchrous mailbox command */ | |
8760 | rc = lpfc_mbox_cmd_check(phba, mboxq); | |
8761 | if (rc) { | |
8762 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8763 | "(%d):2543 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
8764 | "cannot issue Data: x%x x%x\n", |
8765 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8766 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8767 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8768 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8769 | psli->sli_flag, flag); |
8770 | goto out_not_finished; | |
8771 | } | |
da0436e9 JS |
8772 | |
8773 | /* Put the mailbox command to the driver internal FIFO */ | |
8774 | psli->slistat.mbox_busy++; | |
8775 | spin_lock_irqsave(&phba->hbalock, iflags); | |
8776 | lpfc_mbox_put(phba, mboxq); | |
8777 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8778 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
8779 | "(%d):0354 Mbox cmd issue - Enqueue Data: " | |
a183a15f | 8780 | "x%x (x%x/x%x) x%x x%x x%x\n", |
da0436e9 JS |
8781 | mboxq->vport ? mboxq->vport->vpi : 0xffffff, |
8782 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
a183a15f JS |
8783 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8784 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8785 | phba->pport->port_state, |
8786 | psli->sli_flag, MBX_NOWAIT); | |
8787 | /* Wake up worker thread to transport mailbox command from head */ | |
8788 | lpfc_worker_wake_up(phba); | |
8789 | ||
8790 | return MBX_BUSY; | |
8791 | ||
8792 | out_not_finished: | |
8793 | return MBX_NOT_FINISHED; | |
8794 | } | |
8795 | ||
8796 | /** | |
8797 | * lpfc_sli4_post_async_mbox - Post an SLI4 mailbox command to device | |
8798 | * @phba: Pointer to HBA context object. | |
8799 | * | |
8800 | * This function is called by worker thread to send a mailbox command to | |
8801 | * SLI4 HBA firmware. | |
8802 | * | |
8803 | **/ | |
8804 | int | |
8805 | lpfc_sli4_post_async_mbox(struct lpfc_hba *phba) | |
8806 | { | |
8807 | struct lpfc_sli *psli = &phba->sli; | |
8808 | LPFC_MBOXQ_t *mboxq; | |
8809 | int rc = MBX_SUCCESS; | |
8810 | unsigned long iflags; | |
8811 | struct lpfc_mqe *mqe; | |
8812 | uint32_t mbx_cmnd; | |
8813 | ||
8814 | /* Check interrupt mode before post async mailbox command */ | |
8815 | if (unlikely(!phba->sli4_hba.intr_enable)) | |
8816 | return MBX_NOT_FINISHED; | |
8817 | ||
8818 | /* Check for mailbox command service token */ | |
8819 | spin_lock_irqsave(&phba->hbalock, iflags); | |
8820 | if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { | |
8821 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8822 | return MBX_NOT_FINISHED; | |
8823 | } | |
8824 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
8825 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8826 | return MBX_NOT_FINISHED; | |
8827 | } | |
8828 | if (unlikely(phba->sli.mbox_active)) { | |
8829 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8830 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
8831 | "0384 There is pending active mailbox cmd\n"); | |
8832 | return MBX_NOT_FINISHED; | |
8833 | } | |
8834 | /* Take the mailbox command service token */ | |
8835 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
8836 | ||
8837 | /* Get the next mailbox command from head of queue */ | |
8838 | mboxq = lpfc_mbox_get(phba); | |
8839 | ||
8840 | /* If no more mailbox command waiting for post, we're done */ | |
8841 | if (!mboxq) { | |
8842 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8843 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8844 | return MBX_SUCCESS; | |
8845 | } | |
8846 | phba->sli.mbox_active = mboxq; | |
8847 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8848 | ||
8849 | /* Check device readiness for posting mailbox command */ | |
8850 | rc = lpfc_mbox_dev_check(phba); | |
8851 | if (unlikely(rc)) | |
8852 | /* Driver clean routine will clean up pending mailbox */ | |
8853 | goto out_not_finished; | |
8854 | ||
8855 | /* Prepare the mbox command to be posted */ | |
8856 | mqe = &mboxq->u.mqe; | |
8857 | mbx_cmnd = bf_get(lpfc_mqe_command, mqe); | |
8858 | ||
8859 | /* Start timer for the mbox_tmo and log some mailbox post messages */ | |
8860 | mod_timer(&psli->mbox_tmo, (jiffies + | |
256ec0d0 | 8861 | msecs_to_jiffies(1000 * lpfc_mbox_tmo_val(phba, mboxq)))); |
da0436e9 JS |
8862 | |
8863 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
a183a15f | 8864 | "(%d):0355 Mailbox cmd x%x (x%x/x%x) issue Data: " |
da0436e9 JS |
8865 | "x%x x%x\n", |
8866 | mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd, | |
a183a15f JS |
8867 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8868 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8869 | phba->pport->port_state, psli->sli_flag); |
8870 | ||
8871 | if (mbx_cmnd != MBX_HEARTBEAT) { | |
8872 | if (mboxq->vport) { | |
8873 | lpfc_debugfs_disc_trc(mboxq->vport, | |
8874 | LPFC_DISC_TRC_MBOX_VPORT, | |
8875 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
8876 | mbx_cmnd, mqe->un.mb_words[0], | |
8877 | mqe->un.mb_words[1]); | |
8878 | } else { | |
8879 | lpfc_debugfs_disc_trc(phba->pport, | |
8880 | LPFC_DISC_TRC_MBOX, | |
8881 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
8882 | mbx_cmnd, mqe->un.mb_words[0], | |
8883 | mqe->un.mb_words[1]); | |
8884 | } | |
8885 | } | |
8886 | psli->slistat.mbox_cmd++; | |
8887 | ||
8888 | /* Post the mailbox command to the port */ | |
8889 | rc = lpfc_sli4_mq_put(phba->sli4_hba.mbx_wq, mqe); | |
8890 | if (rc != MBX_SUCCESS) { | |
8891 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8892 | "(%d):2533 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
8893 | "cannot issue Data: x%x x%x\n", |
8894 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8895 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8896 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8897 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8898 | psli->sli_flag, MBX_NOWAIT); |
8899 | goto out_not_finished; | |
8900 | } | |
8901 | ||
8902 | return rc; | |
8903 | ||
8904 | out_not_finished: | |
8905 | spin_lock_irqsave(&phba->hbalock, iflags); | |
d7069f09 JS |
8906 | if (phba->sli.mbox_active) { |
8907 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
8908 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
8909 | /* Release the token */ | |
8910 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8911 | phba->sli.mbox_active = NULL; | |
8912 | } | |
da0436e9 JS |
8913 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
8914 | ||
8915 | return MBX_NOT_FINISHED; | |
8916 | } | |
8917 | ||
8918 | /** | |
8919 | * lpfc_sli_issue_mbox - Wrapper func for issuing mailbox command | |
8920 | * @phba: Pointer to HBA context object. | |
8921 | * @pmbox: Pointer to mailbox object. | |
8922 | * @flag: Flag indicating how the mailbox need to be processed. | |
8923 | * | |
8924 | * This routine wraps the actual SLI3 or SLI4 mailbox issuing routine from | |
8925 | * the API jump table function pointer from the lpfc_hba struct. | |
8926 | * | |
8927 | * Return codes the caller owns the mailbox command after the return of the | |
8928 | * function. | |
8929 | **/ | |
8930 | int | |
8931 | lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) | |
8932 | { | |
8933 | return phba->lpfc_sli_issue_mbox(phba, pmbox, flag); | |
8934 | } | |
8935 | ||
8936 | /** | |
25985edc | 8937 | * lpfc_mbox_api_table_setup - Set up mbox api function jump table |
da0436e9 JS |
8938 | * @phba: The hba struct for which this call is being executed. |
8939 | * @dev_grp: The HBA PCI-Device group number. | |
8940 | * | |
8941 | * This routine sets up the mbox interface API function jump table in @phba | |
8942 | * struct. | |
8943 | * Returns: 0 - success, -ENODEV - failure. | |
8944 | **/ | |
8945 | int | |
8946 | lpfc_mbox_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
8947 | { | |
8948 | ||
8949 | switch (dev_grp) { | |
8950 | case LPFC_PCI_DEV_LP: | |
8951 | phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s3; | |
8952 | phba->lpfc_sli_handle_slow_ring_event = | |
8953 | lpfc_sli_handle_slow_ring_event_s3; | |
8954 | phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s3; | |
8955 | phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s3; | |
8956 | phba->lpfc_sli_brdready = lpfc_sli_brdready_s3; | |
8957 | break; | |
8958 | case LPFC_PCI_DEV_OC: | |
8959 | phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s4; | |
8960 | phba->lpfc_sli_handle_slow_ring_event = | |
8961 | lpfc_sli_handle_slow_ring_event_s4; | |
8962 | phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s4; | |
8963 | phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s4; | |
8964 | phba->lpfc_sli_brdready = lpfc_sli_brdready_s4; | |
8965 | break; | |
8966 | default: | |
8967 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8968 | "1420 Invalid HBA PCI-device group: 0x%x\n", | |
8969 | dev_grp); | |
8970 | return -ENODEV; | |
8971 | break; | |
8972 | } | |
8973 | return 0; | |
8974 | } | |
8975 | ||
e59058c4 | 8976 | /** |
3621a710 | 8977 | * __lpfc_sli_ringtx_put - Add an iocb to the txq |
e59058c4 JS |
8978 | * @phba: Pointer to HBA context object. |
8979 | * @pring: Pointer to driver SLI ring object. | |
8980 | * @piocb: Pointer to address of newly added command iocb. | |
8981 | * | |
8982 | * This function is called with hbalock held to add a command | |
8983 | * iocb to the txq when SLI layer cannot submit the command iocb | |
8984 | * to the ring. | |
8985 | **/ | |
2a9bf3d0 | 8986 | void |
92d7f7b0 | 8987 | __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
2e0fef85 | 8988 | struct lpfc_iocbq *piocb) |
dea3101e | 8989 | { |
1c2ba475 | 8990 | lockdep_assert_held(&phba->hbalock); |
dea3101e | 8991 | /* Insert the caller's iocb in the txq tail for later processing. */ |
8992 | list_add_tail(&piocb->list, &pring->txq); | |
dea3101e | 8993 | } |
8994 | ||
e59058c4 | 8995 | /** |
3621a710 | 8996 | * lpfc_sli_next_iocb - Get the next iocb in the txq |
e59058c4 JS |
8997 | * @phba: Pointer to HBA context object. |
8998 | * @pring: Pointer to driver SLI ring object. | |
8999 | * @piocb: Pointer to address of newly added command iocb. | |
9000 | * | |
9001 | * This function is called with hbalock held before a new | |
9002 | * iocb is submitted to the firmware. This function checks | |
9003 | * txq to flush the iocbs in txq to Firmware before | |
9004 | * submitting new iocbs to the Firmware. | |
9005 | * If there are iocbs in the txq which need to be submitted | |
9006 | * to firmware, lpfc_sli_next_iocb returns the first element | |
9007 | * of the txq after dequeuing it from txq. | |
9008 | * If there is no iocb in the txq then the function will return | |
9009 | * *piocb and *piocb is set to NULL. Caller needs to check | |
9010 | * *piocb to find if there are more commands in the txq. | |
9011 | **/ | |
dea3101e | 9012 | static struct lpfc_iocbq * |
9013 | lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 9014 | struct lpfc_iocbq **piocb) |
dea3101e | 9015 | { |
9016 | struct lpfc_iocbq * nextiocb; | |
9017 | ||
1c2ba475 JT |
9018 | lockdep_assert_held(&phba->hbalock); |
9019 | ||
dea3101e | 9020 | nextiocb = lpfc_sli_ringtx_get(phba, pring); |
9021 | if (!nextiocb) { | |
9022 | nextiocb = *piocb; | |
9023 | *piocb = NULL; | |
9024 | } | |
9025 | ||
9026 | return nextiocb; | |
9027 | } | |
9028 | ||
e59058c4 | 9029 | /** |
3772a991 | 9030 | * __lpfc_sli_issue_iocb_s3 - SLI3 device lockless ver of lpfc_sli_issue_iocb |
e59058c4 | 9031 | * @phba: Pointer to HBA context object. |
3772a991 | 9032 | * @ring_number: SLI ring number to issue iocb on. |
e59058c4 JS |
9033 | * @piocb: Pointer to command iocb. |
9034 | * @flag: Flag indicating if this command can be put into txq. | |
9035 | * | |
3772a991 JS |
9036 | * __lpfc_sli_issue_iocb_s3 is used by other functions in the driver to issue |
9037 | * an iocb command to an HBA with SLI-3 interface spec. If the PCI slot is | |
9038 | * recovering from error state, if HBA is resetting or if LPFC_STOP_IOCB_EVENT | |
9039 | * flag is turned on, the function returns IOCB_ERROR. When the link is down, | |
9040 | * this function allows only iocbs for posting buffers. This function finds | |
9041 | * next available slot in the command ring and posts the command to the | |
9042 | * available slot and writes the port attention register to request HBA start | |
9043 | * processing new iocb. If there is no slot available in the ring and | |
9044 | * flag & SLI_IOCB_RET_IOCB is set, the new iocb is added to the txq, otherwise | |
9045 | * the function returns IOCB_BUSY. | |
e59058c4 | 9046 | * |
3772a991 JS |
9047 | * This function is called with hbalock held. The function will return success |
9048 | * after it successfully submit the iocb to firmware or after adding to the | |
9049 | * txq. | |
e59058c4 | 9050 | **/ |
98c9ea5c | 9051 | static int |
3772a991 | 9052 | __lpfc_sli_issue_iocb_s3(struct lpfc_hba *phba, uint32_t ring_number, |
dea3101e | 9053 | struct lpfc_iocbq *piocb, uint32_t flag) |
9054 | { | |
9055 | struct lpfc_iocbq *nextiocb; | |
9056 | IOCB_t *iocb; | |
895427bd | 9057 | struct lpfc_sli_ring *pring = &phba->sli.sli3_ring[ring_number]; |
dea3101e | 9058 | |
1c2ba475 JT |
9059 | lockdep_assert_held(&phba->hbalock); |
9060 | ||
92d7f7b0 JS |
9061 | if (piocb->iocb_cmpl && (!piocb->vport) && |
9062 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
9063 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { | |
9064 | lpfc_printf_log(phba, KERN_ERR, | |
9065 | LOG_SLI | LOG_VPORT, | |
e8b62011 | 9066 | "1807 IOCB x%x failed. No vport\n", |
92d7f7b0 JS |
9067 | piocb->iocb.ulpCommand); |
9068 | dump_stack(); | |
9069 | return IOCB_ERROR; | |
9070 | } | |
9071 | ||
9072 | ||
8d63f375 LV |
9073 | /* If the PCI channel is in offline state, do not post iocbs. */ |
9074 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
9075 | return IOCB_ERROR; | |
9076 | ||
a257bf90 JS |
9077 | /* If HBA has a deferred error attention, fail the iocb. */ |
9078 | if (unlikely(phba->hba_flag & DEFER_ERATT)) | |
9079 | return IOCB_ERROR; | |
9080 | ||
dea3101e | 9081 | /* |
9082 | * We should never get an IOCB if we are in a < LINK_DOWN state | |
9083 | */ | |
2e0fef85 | 9084 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) |
dea3101e | 9085 | return IOCB_ERROR; |
9086 | ||
9087 | /* | |
9088 | * Check to see if we are blocking IOCB processing because of a | |
0b727fea | 9089 | * outstanding event. |
dea3101e | 9090 | */ |
0b727fea | 9091 | if (unlikely(pring->flag & LPFC_STOP_IOCB_EVENT)) |
dea3101e | 9092 | goto iocb_busy; |
9093 | ||
2e0fef85 | 9094 | if (unlikely(phba->link_state == LPFC_LINK_DOWN)) { |
dea3101e | 9095 | /* |
2680eeaa | 9096 | * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF |
dea3101e | 9097 | * can be issued if the link is not up. |
9098 | */ | |
9099 | switch (piocb->iocb.ulpCommand) { | |
84774a4d JS |
9100 | case CMD_GEN_REQUEST64_CR: |
9101 | case CMD_GEN_REQUEST64_CX: | |
9102 | if (!(phba->sli.sli_flag & LPFC_MENLO_MAINT) || | |
9103 | (piocb->iocb.un.genreq64.w5.hcsw.Rctl != | |
6a9c52cf | 9104 | FC_RCTL_DD_UNSOL_CMD) || |
84774a4d JS |
9105 | (piocb->iocb.un.genreq64.w5.hcsw.Type != |
9106 | MENLO_TRANSPORT_TYPE)) | |
9107 | ||
9108 | goto iocb_busy; | |
9109 | break; | |
dea3101e | 9110 | case CMD_QUE_RING_BUF_CN: |
9111 | case CMD_QUE_RING_BUF64_CN: | |
dea3101e | 9112 | /* |
9113 | * For IOCBs, like QUE_RING_BUF, that have no rsp ring | |
9114 | * completion, iocb_cmpl MUST be 0. | |
9115 | */ | |
9116 | if (piocb->iocb_cmpl) | |
9117 | piocb->iocb_cmpl = NULL; | |
9118 | /*FALLTHROUGH*/ | |
9119 | case CMD_CREATE_XRI_CR: | |
2680eeaa JS |
9120 | case CMD_CLOSE_XRI_CN: |
9121 | case CMD_CLOSE_XRI_CX: | |
dea3101e | 9122 | break; |
9123 | default: | |
9124 | goto iocb_busy; | |
9125 | } | |
9126 | ||
9127 | /* | |
9128 | * For FCP commands, we must be in a state where we can process link | |
9129 | * attention events. | |
9130 | */ | |
895427bd | 9131 | } else if (unlikely(pring->ringno == LPFC_FCP_RING && |
92d7f7b0 | 9132 | !(phba->sli.sli_flag & LPFC_PROCESS_LA))) { |
dea3101e | 9133 | goto iocb_busy; |
92d7f7b0 | 9134 | } |
dea3101e | 9135 | |
dea3101e | 9136 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
9137 | (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb))) | |
9138 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
9139 | ||
9140 | if (iocb) | |
9141 | lpfc_sli_update_ring(phba, pring); | |
9142 | else | |
9143 | lpfc_sli_update_full_ring(phba, pring); | |
9144 | ||
9145 | if (!piocb) | |
9146 | return IOCB_SUCCESS; | |
9147 | ||
9148 | goto out_busy; | |
9149 | ||
9150 | iocb_busy: | |
9151 | pring->stats.iocb_cmd_delay++; | |
9152 | ||
9153 | out_busy: | |
9154 | ||
9155 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
92d7f7b0 | 9156 | __lpfc_sli_ringtx_put(phba, pring, piocb); |
dea3101e | 9157 | return IOCB_SUCCESS; |
9158 | } | |
9159 | ||
9160 | return IOCB_BUSY; | |
9161 | } | |
9162 | ||
3772a991 | 9163 | /** |
4f774513 JS |
9164 | * lpfc_sli4_bpl2sgl - Convert the bpl/bde to a sgl. |
9165 | * @phba: Pointer to HBA context object. | |
9166 | * @piocb: Pointer to command iocb. | |
9167 | * @sglq: Pointer to the scatter gather queue object. | |
9168 | * | |
9169 | * This routine converts the bpl or bde that is in the IOCB | |
9170 | * to a sgl list for the sli4 hardware. The physical address | |
9171 | * of the bpl/bde is converted back to a virtual address. | |
9172 | * If the IOCB contains a BPL then the list of BDE's is | |
9173 | * converted to sli4_sge's. If the IOCB contains a single | |
9174 | * BDE then it is converted to a single sli_sge. | |
9175 | * The IOCB is still in cpu endianess so the contents of | |
9176 | * the bpl can be used without byte swapping. | |
9177 | * | |
9178 | * Returns valid XRI = Success, NO_XRI = Failure. | |
9179 | **/ | |
9180 | static uint16_t | |
9181 | lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, | |
9182 | struct lpfc_sglq *sglq) | |
3772a991 | 9183 | { |
4f774513 JS |
9184 | uint16_t xritag = NO_XRI; |
9185 | struct ulp_bde64 *bpl = NULL; | |
9186 | struct ulp_bde64 bde; | |
9187 | struct sli4_sge *sgl = NULL; | |
1b51197d | 9188 | struct lpfc_dmabuf *dmabuf; |
4f774513 JS |
9189 | IOCB_t *icmd; |
9190 | int numBdes = 0; | |
9191 | int i = 0; | |
63e801ce JS |
9192 | uint32_t offset = 0; /* accumulated offset in the sg request list */ |
9193 | int inbound = 0; /* number of sg reply entries inbound from firmware */ | |
3772a991 | 9194 | |
4f774513 JS |
9195 | if (!piocbq || !sglq) |
9196 | return xritag; | |
9197 | ||
9198 | sgl = (struct sli4_sge *)sglq->sgl; | |
9199 | icmd = &piocbq->iocb; | |
6b5151fd JS |
9200 | if (icmd->ulpCommand == CMD_XMIT_BLS_RSP64_CX) |
9201 | return sglq->sli4_xritag; | |
4f774513 JS |
9202 | if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { |
9203 | numBdes = icmd->un.genreq64.bdl.bdeSize / | |
9204 | sizeof(struct ulp_bde64); | |
9205 | /* The addrHigh and addrLow fields within the IOCB | |
9206 | * have not been byteswapped yet so there is no | |
9207 | * need to swap them back. | |
9208 | */ | |
1b51197d JS |
9209 | if (piocbq->context3) |
9210 | dmabuf = (struct lpfc_dmabuf *)piocbq->context3; | |
9211 | else | |
9212 | return xritag; | |
4f774513 | 9213 | |
1b51197d | 9214 | bpl = (struct ulp_bde64 *)dmabuf->virt; |
4f774513 JS |
9215 | if (!bpl) |
9216 | return xritag; | |
9217 | ||
9218 | for (i = 0; i < numBdes; i++) { | |
9219 | /* Should already be byte swapped. */ | |
28baac74 JS |
9220 | sgl->addr_hi = bpl->addrHigh; |
9221 | sgl->addr_lo = bpl->addrLow; | |
9222 | ||
0558056c | 9223 | sgl->word2 = le32_to_cpu(sgl->word2); |
4f774513 JS |
9224 | if ((i+1) == numBdes) |
9225 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
9226 | else | |
9227 | bf_set(lpfc_sli4_sge_last, sgl, 0); | |
28baac74 JS |
9228 | /* swap the size field back to the cpu so we |
9229 | * can assign it to the sgl. | |
9230 | */ | |
9231 | bde.tus.w = le32_to_cpu(bpl->tus.w); | |
9232 | sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize); | |
63e801ce JS |
9233 | /* The offsets in the sgl need to be accumulated |
9234 | * separately for the request and reply lists. | |
9235 | * The request is always first, the reply follows. | |
9236 | */ | |
9237 | if (piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) { | |
9238 | /* add up the reply sg entries */ | |
9239 | if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I) | |
9240 | inbound++; | |
9241 | /* first inbound? reset the offset */ | |
9242 | if (inbound == 1) | |
9243 | offset = 0; | |
9244 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
f9bb2da1 JS |
9245 | bf_set(lpfc_sli4_sge_type, sgl, |
9246 | LPFC_SGE_TYPE_DATA); | |
63e801ce JS |
9247 | offset += bde.tus.f.bdeSize; |
9248 | } | |
546fc854 | 9249 | sgl->word2 = cpu_to_le32(sgl->word2); |
4f774513 JS |
9250 | bpl++; |
9251 | sgl++; | |
9252 | } | |
9253 | } else if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BDE_64) { | |
9254 | /* The addrHigh and addrLow fields of the BDE have not | |
9255 | * been byteswapped yet so they need to be swapped | |
9256 | * before putting them in the sgl. | |
9257 | */ | |
9258 | sgl->addr_hi = | |
9259 | cpu_to_le32(icmd->un.genreq64.bdl.addrHigh); | |
9260 | sgl->addr_lo = | |
9261 | cpu_to_le32(icmd->un.genreq64.bdl.addrLow); | |
0558056c | 9262 | sgl->word2 = le32_to_cpu(sgl->word2); |
4f774513 JS |
9263 | bf_set(lpfc_sli4_sge_last, sgl, 1); |
9264 | sgl->word2 = cpu_to_le32(sgl->word2); | |
28baac74 JS |
9265 | sgl->sge_len = |
9266 | cpu_to_le32(icmd->un.genreq64.bdl.bdeSize); | |
4f774513 JS |
9267 | } |
9268 | return sglq->sli4_xritag; | |
3772a991 | 9269 | } |
92d7f7b0 | 9270 | |
e59058c4 | 9271 | /** |
4f774513 | 9272 | * lpfc_sli_iocb2wqe - Convert the IOCB to a work queue entry. |
e59058c4 | 9273 | * @phba: Pointer to HBA context object. |
4f774513 JS |
9274 | * @piocb: Pointer to command iocb. |
9275 | * @wqe: Pointer to the work queue entry. | |
e59058c4 | 9276 | * |
4f774513 JS |
9277 | * This routine converts the iocb command to its Work Queue Entry |
9278 | * equivalent. The wqe pointer should not have any fields set when | |
9279 | * this routine is called because it will memcpy over them. | |
9280 | * This routine does not set the CQ_ID or the WQEC bits in the | |
9281 | * wqe. | |
e59058c4 | 9282 | * |
4f774513 | 9283 | * Returns: 0 = Success, IOCB_ERROR = Failure. |
e59058c4 | 9284 | **/ |
cf5bf97e | 9285 | static int |
4f774513 | 9286 | lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, |
205e8240 | 9287 | union lpfc_wqe128 *wqe) |
cf5bf97e | 9288 | { |
5ffc266e | 9289 | uint32_t xmit_len = 0, total_len = 0; |
4f774513 JS |
9290 | uint8_t ct = 0; |
9291 | uint32_t fip; | |
9292 | uint32_t abort_tag; | |
9293 | uint8_t command_type = ELS_COMMAND_NON_FIP; | |
9294 | uint8_t cmnd; | |
9295 | uint16_t xritag; | |
dcf2a4e0 JS |
9296 | uint16_t abrt_iotag; |
9297 | struct lpfc_iocbq *abrtiocbq; | |
4f774513 | 9298 | struct ulp_bde64 *bpl = NULL; |
f0d9bccc | 9299 | uint32_t els_id = LPFC_ELS_ID_DEFAULT; |
5ffc266e JS |
9300 | int numBdes, i; |
9301 | struct ulp_bde64 bde; | |
c31098ce | 9302 | struct lpfc_nodelist *ndlp; |
ff78d8f9 | 9303 | uint32_t *pcmd; |
1b51197d | 9304 | uint32_t if_type; |
4f774513 | 9305 | |
45ed1190 | 9306 | fip = phba->hba_flag & HBA_FIP_SUPPORT; |
4f774513 | 9307 | /* The fcp commands will set command type */ |
0c287589 | 9308 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
4f774513 | 9309 | command_type = FCP_COMMAND; |
c868595d | 9310 | else if (fip && (iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK)) |
0c287589 JS |
9311 | command_type = ELS_COMMAND_FIP; |
9312 | else | |
9313 | command_type = ELS_COMMAND_NON_FIP; | |
9314 | ||
b5c53958 JS |
9315 | if (phba->fcp_embed_io) |
9316 | memset(wqe, 0, sizeof(union lpfc_wqe128)); | |
4f774513 JS |
9317 | /* Some of the fields are in the right position already */ |
9318 | memcpy(wqe, &iocbq->iocb, sizeof(union lpfc_wqe)); | |
ae9e28f3 JS |
9319 | if (iocbq->iocb.ulpCommand != CMD_SEND_FRAME) { |
9320 | /* The ct field has moved so reset */ | |
9321 | wqe->generic.wqe_com.word7 = 0; | |
9322 | wqe->generic.wqe_com.word10 = 0; | |
9323 | } | |
b5c53958 JS |
9324 | |
9325 | abort_tag = (uint32_t) iocbq->iotag; | |
9326 | xritag = iocbq->sli4_xritag; | |
4f774513 JS |
9327 | /* words0-2 bpl convert bde */ |
9328 | if (iocbq->iocb.un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { | |
5ffc266e JS |
9329 | numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / |
9330 | sizeof(struct ulp_bde64); | |
4f774513 JS |
9331 | bpl = (struct ulp_bde64 *) |
9332 | ((struct lpfc_dmabuf *)iocbq->context3)->virt; | |
9333 | if (!bpl) | |
9334 | return IOCB_ERROR; | |
cf5bf97e | 9335 | |
4f774513 JS |
9336 | /* Should already be byte swapped. */ |
9337 | wqe->generic.bde.addrHigh = le32_to_cpu(bpl->addrHigh); | |
9338 | wqe->generic.bde.addrLow = le32_to_cpu(bpl->addrLow); | |
9339 | /* swap the size field back to the cpu so we | |
9340 | * can assign it to the sgl. | |
9341 | */ | |
9342 | wqe->generic.bde.tus.w = le32_to_cpu(bpl->tus.w); | |
5ffc266e JS |
9343 | xmit_len = wqe->generic.bde.tus.f.bdeSize; |
9344 | total_len = 0; | |
9345 | for (i = 0; i < numBdes; i++) { | |
9346 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); | |
9347 | total_len += bde.tus.f.bdeSize; | |
9348 | } | |
4f774513 | 9349 | } else |
5ffc266e | 9350 | xmit_len = iocbq->iocb.un.fcpi64.bdl.bdeSize; |
cf5bf97e | 9351 | |
4f774513 JS |
9352 | iocbq->iocb.ulpIoTag = iocbq->iotag; |
9353 | cmnd = iocbq->iocb.ulpCommand; | |
a4bc3379 | 9354 | |
4f774513 JS |
9355 | switch (iocbq->iocb.ulpCommand) { |
9356 | case CMD_ELS_REQUEST64_CR: | |
93d1379e JS |
9357 | if (iocbq->iocb_flag & LPFC_IO_LIBDFC) |
9358 | ndlp = iocbq->context_un.ndlp; | |
9359 | else | |
9360 | ndlp = (struct lpfc_nodelist *)iocbq->context1; | |
4f774513 JS |
9361 | if (!iocbq->iocb.ulpLe) { |
9362 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
9363 | "2007 Only Limited Edition cmd Format" | |
9364 | " supported 0x%x\n", | |
9365 | iocbq->iocb.ulpCommand); | |
9366 | return IOCB_ERROR; | |
9367 | } | |
ff78d8f9 | 9368 | |
5ffc266e | 9369 | wqe->els_req.payload_len = xmit_len; |
4f774513 JS |
9370 | /* Els_reguest64 has a TMO */ |
9371 | bf_set(wqe_tmo, &wqe->els_req.wqe_com, | |
9372 | iocbq->iocb.ulpTimeout); | |
9373 | /* Need a VF for word 4 set the vf bit*/ | |
9374 | bf_set(els_req64_vf, &wqe->els_req, 0); | |
9375 | /* And a VFID for word 12 */ | |
9376 | bf_set(els_req64_vfid, &wqe->els_req, 0); | |
4f774513 | 9377 | ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); |
f0d9bccc JS |
9378 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, |
9379 | iocbq->iocb.ulpContext); | |
9380 | bf_set(wqe_ct, &wqe->els_req.wqe_com, ct); | |
9381 | bf_set(wqe_pu, &wqe->els_req.wqe_com, 0); | |
4f774513 | 9382 | /* CCP CCPE PV PRI in word10 were set in the memcpy */ |
ff78d8f9 | 9383 | if (command_type == ELS_COMMAND_FIP) |
c868595d JS |
9384 | els_id = ((iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK) |
9385 | >> LPFC_FIP_ELS_ID_SHIFT); | |
ff78d8f9 JS |
9386 | pcmd = (uint32_t *) (((struct lpfc_dmabuf *) |
9387 | iocbq->context2)->virt); | |
1b51197d JS |
9388 | if_type = bf_get(lpfc_sli_intf_if_type, |
9389 | &phba->sli4_hba.sli_intf); | |
27d6ac0a | 9390 | if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) { |
ff78d8f9 | 9391 | if (pcmd && (*pcmd == ELS_CMD_FLOGI || |
cb69f7de | 9392 | *pcmd == ELS_CMD_SCR || |
6b5151fd | 9393 | *pcmd == ELS_CMD_FDISC || |
bdcd2b92 | 9394 | *pcmd == ELS_CMD_LOGO || |
ff78d8f9 JS |
9395 | *pcmd == ELS_CMD_PLOGI)) { |
9396 | bf_set(els_req64_sp, &wqe->els_req, 1); | |
9397 | bf_set(els_req64_sid, &wqe->els_req, | |
9398 | iocbq->vport->fc_myDID); | |
939723a4 JS |
9399 | if ((*pcmd == ELS_CMD_FLOGI) && |
9400 | !(phba->fc_topology == | |
9401 | LPFC_TOPOLOGY_LOOP)) | |
9402 | bf_set(els_req64_sid, &wqe->els_req, 0); | |
ff78d8f9 JS |
9403 | bf_set(wqe_ct, &wqe->els_req.wqe_com, 1); |
9404 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, | |
a7dd9c0f | 9405 | phba->vpi_ids[iocbq->vport->vpi]); |
3ef6d24c | 9406 | } else if (pcmd && iocbq->context1) { |
ff78d8f9 JS |
9407 | bf_set(wqe_ct, &wqe->els_req.wqe_com, 0); |
9408 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, | |
9409 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
9410 | } | |
c868595d | 9411 | } |
6d368e53 JS |
9412 | bf_set(wqe_temp_rpi, &wqe->els_req.wqe_com, |
9413 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
f0d9bccc JS |
9414 | bf_set(wqe_els_id, &wqe->els_req.wqe_com, els_id); |
9415 | bf_set(wqe_dbde, &wqe->els_req.wqe_com, 1); | |
9416 | bf_set(wqe_iod, &wqe->els_req.wqe_com, LPFC_WQE_IOD_READ); | |
9417 | bf_set(wqe_qosd, &wqe->els_req.wqe_com, 1); | |
9418 | bf_set(wqe_lenloc, &wqe->els_req.wqe_com, LPFC_WQE_LENLOC_NONE); | |
9419 | bf_set(wqe_ebde_cnt, &wqe->els_req.wqe_com, 0); | |
af22741c | 9420 | wqe->els_req.max_response_payload_len = total_len - xmit_len; |
7851fe2c | 9421 | break; |
5ffc266e | 9422 | case CMD_XMIT_SEQUENCE64_CX: |
f0d9bccc JS |
9423 | bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, |
9424 | iocbq->iocb.un.ulpWord[3]); | |
9425 | bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, | |
7851fe2c | 9426 | iocbq->iocb.unsli3.rcvsli3.ox_id); |
5ffc266e JS |
9427 | /* The entire sequence is transmitted for this IOCB */ |
9428 | xmit_len = total_len; | |
9429 | cmnd = CMD_XMIT_SEQUENCE64_CR; | |
1b51197d JS |
9430 | if (phba->link_flag & LS_LOOPBACK_MODE) |
9431 | bf_set(wqe_xo, &wqe->xmit_sequence.wge_ctl, 1); | |
4f774513 | 9432 | case CMD_XMIT_SEQUENCE64_CR: |
f0d9bccc JS |
9433 | /* word3 iocb=io_tag32 wqe=reserved */ |
9434 | wqe->xmit_sequence.rsvd3 = 0; | |
4f774513 JS |
9435 | /* word4 relative_offset memcpy */ |
9436 | /* word5 r_ctl/df_ctl memcpy */ | |
f0d9bccc JS |
9437 | bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0); |
9438 | bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1); | |
9439 | bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com, | |
9440 | LPFC_WQE_IOD_WRITE); | |
9441 | bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com, | |
9442 | LPFC_WQE_LENLOC_WORD12); | |
9443 | bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); | |
5ffc266e JS |
9444 | wqe->xmit_sequence.xmit_len = xmit_len; |
9445 | command_type = OTHER_COMMAND; | |
7851fe2c | 9446 | break; |
4f774513 | 9447 | case CMD_XMIT_BCAST64_CN: |
f0d9bccc JS |
9448 | /* word3 iocb=iotag32 wqe=seq_payload_len */ |
9449 | wqe->xmit_bcast64.seq_payload_len = xmit_len; | |
4f774513 JS |
9450 | /* word4 iocb=rsvd wqe=rsvd */ |
9451 | /* word5 iocb=rctl/type/df_ctl wqe=rctl/type/df_ctl memcpy */ | |
9452 | /* word6 iocb=ctxt_tag/io_tag wqe=ctxt_tag/xri */ | |
f0d9bccc | 9453 | bf_set(wqe_ct, &wqe->xmit_bcast64.wqe_com, |
4f774513 | 9454 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); |
f0d9bccc JS |
9455 | bf_set(wqe_dbde, &wqe->xmit_bcast64.wqe_com, 1); |
9456 | bf_set(wqe_iod, &wqe->xmit_bcast64.wqe_com, LPFC_WQE_IOD_WRITE); | |
9457 | bf_set(wqe_lenloc, &wqe->xmit_bcast64.wqe_com, | |
9458 | LPFC_WQE_LENLOC_WORD3); | |
9459 | bf_set(wqe_ebde_cnt, &wqe->xmit_bcast64.wqe_com, 0); | |
7851fe2c | 9460 | break; |
4f774513 JS |
9461 | case CMD_FCP_IWRITE64_CR: |
9462 | command_type = FCP_COMMAND_DATA_OUT; | |
f0d9bccc JS |
9463 | /* word3 iocb=iotag wqe=payload_offset_len */ |
9464 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
0ba4b219 JS |
9465 | bf_set(payload_offset_len, &wqe->fcp_iwrite, |
9466 | xmit_len + sizeof(struct fcp_rsp)); | |
9467 | bf_set(cmd_buff_len, &wqe->fcp_iwrite, | |
9468 | 0); | |
f0d9bccc JS |
9469 | /* word4 iocb=parameter wqe=total_xfer_length memcpy */ |
9470 | /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ | |
9471 | bf_set(wqe_erp, &wqe->fcp_iwrite.wqe_com, | |
9472 | iocbq->iocb.ulpFCP2Rcvy); | |
9473 | bf_set(wqe_lnk, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpXS); | |
9474 | /* Always open the exchange */ | |
f0d9bccc JS |
9475 | bf_set(wqe_iod, &wqe->fcp_iwrite.wqe_com, LPFC_WQE_IOD_WRITE); |
9476 | bf_set(wqe_lenloc, &wqe->fcp_iwrite.wqe_com, | |
9477 | LPFC_WQE_LENLOC_WORD4); | |
f0d9bccc | 9478 | bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU); |
acd6859b | 9479 | bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1); |
1ba981fd JS |
9480 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
9481 | bf_set(wqe_oas, &wqe->fcp_iwrite.wqe_com, 1); | |
c92c841c JS |
9482 | bf_set(wqe_ccpe, &wqe->fcp_iwrite.wqe_com, 1); |
9483 | if (iocbq->priority) { | |
9484 | bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com, | |
9485 | (iocbq->priority << 1)); | |
9486 | } else { | |
1ba981fd JS |
9487 | bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com, |
9488 | (phba->cfg_XLanePriority << 1)); | |
9489 | } | |
9490 | } | |
b5c53958 JS |
9491 | /* Note, word 10 is already initialized to 0 */ |
9492 | ||
414abe0a JS |
9493 | /* Don't set PBDE for Perf hints, just lpfc_enable_pbde */ |
9494 | if (phba->cfg_enable_pbde) | |
0bc2b7c5 JS |
9495 | bf_set(wqe_pbde, &wqe->fcp_iwrite.wqe_com, 1); |
9496 | else | |
9497 | bf_set(wqe_pbde, &wqe->fcp_iwrite.wqe_com, 0); | |
9498 | ||
b5c53958 | 9499 | if (phba->fcp_embed_io) { |
c490850a | 9500 | struct lpfc_io_buf *lpfc_cmd; |
b5c53958 | 9501 | struct sli4_sge *sgl; |
b5c53958 JS |
9502 | struct fcp_cmnd *fcp_cmnd; |
9503 | uint32_t *ptr; | |
9504 | ||
9505 | /* 128 byte wqe support here */ | |
b5c53958 JS |
9506 | |
9507 | lpfc_cmd = iocbq->context1; | |
0794d601 | 9508 | sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; |
b5c53958 JS |
9509 | fcp_cmnd = lpfc_cmd->fcp_cmnd; |
9510 | ||
9511 | /* Word 0-2 - FCP_CMND */ | |
205e8240 | 9512 | wqe->generic.bde.tus.f.bdeFlags = |
b5c53958 | 9513 | BUFF_TYPE_BDE_IMMED; |
205e8240 JS |
9514 | wqe->generic.bde.tus.f.bdeSize = sgl->sge_len; |
9515 | wqe->generic.bde.addrHigh = 0; | |
9516 | wqe->generic.bde.addrLow = 88; /* Word 22 */ | |
b5c53958 | 9517 | |
205e8240 JS |
9518 | bf_set(wqe_wqes, &wqe->fcp_iwrite.wqe_com, 1); |
9519 | bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 0); | |
b5c53958 JS |
9520 | |
9521 | /* Word 22-29 FCP CMND Payload */ | |
205e8240 | 9522 | ptr = &wqe->words[22]; |
b5c53958 JS |
9523 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); |
9524 | } | |
7851fe2c | 9525 | break; |
4f774513 | 9526 | case CMD_FCP_IREAD64_CR: |
f0d9bccc JS |
9527 | /* word3 iocb=iotag wqe=payload_offset_len */ |
9528 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
0ba4b219 JS |
9529 | bf_set(payload_offset_len, &wqe->fcp_iread, |
9530 | xmit_len + sizeof(struct fcp_rsp)); | |
9531 | bf_set(cmd_buff_len, &wqe->fcp_iread, | |
9532 | 0); | |
f0d9bccc JS |
9533 | /* word4 iocb=parameter wqe=total_xfer_length memcpy */ |
9534 | /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ | |
9535 | bf_set(wqe_erp, &wqe->fcp_iread.wqe_com, | |
9536 | iocbq->iocb.ulpFCP2Rcvy); | |
9537 | bf_set(wqe_lnk, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpXS); | |
f1126688 | 9538 | /* Always open the exchange */ |
f0d9bccc JS |
9539 | bf_set(wqe_iod, &wqe->fcp_iread.wqe_com, LPFC_WQE_IOD_READ); |
9540 | bf_set(wqe_lenloc, &wqe->fcp_iread.wqe_com, | |
9541 | LPFC_WQE_LENLOC_WORD4); | |
f0d9bccc | 9542 | bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU); |
acd6859b | 9543 | bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1); |
1ba981fd JS |
9544 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
9545 | bf_set(wqe_oas, &wqe->fcp_iread.wqe_com, 1); | |
c92c841c JS |
9546 | bf_set(wqe_ccpe, &wqe->fcp_iread.wqe_com, 1); |
9547 | if (iocbq->priority) { | |
9548 | bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com, | |
9549 | (iocbq->priority << 1)); | |
9550 | } else { | |
1ba981fd JS |
9551 | bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com, |
9552 | (phba->cfg_XLanePriority << 1)); | |
9553 | } | |
9554 | } | |
b5c53958 JS |
9555 | /* Note, word 10 is already initialized to 0 */ |
9556 | ||
414abe0a JS |
9557 | /* Don't set PBDE for Perf hints, just lpfc_enable_pbde */ |
9558 | if (phba->cfg_enable_pbde) | |
0bc2b7c5 JS |
9559 | bf_set(wqe_pbde, &wqe->fcp_iread.wqe_com, 1); |
9560 | else | |
9561 | bf_set(wqe_pbde, &wqe->fcp_iread.wqe_com, 0); | |
9562 | ||
b5c53958 | 9563 | if (phba->fcp_embed_io) { |
c490850a | 9564 | struct lpfc_io_buf *lpfc_cmd; |
b5c53958 | 9565 | struct sli4_sge *sgl; |
b5c53958 JS |
9566 | struct fcp_cmnd *fcp_cmnd; |
9567 | uint32_t *ptr; | |
9568 | ||
9569 | /* 128 byte wqe support here */ | |
b5c53958 JS |
9570 | |
9571 | lpfc_cmd = iocbq->context1; | |
0794d601 | 9572 | sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; |
b5c53958 JS |
9573 | fcp_cmnd = lpfc_cmd->fcp_cmnd; |
9574 | ||
9575 | /* Word 0-2 - FCP_CMND */ | |
205e8240 | 9576 | wqe->generic.bde.tus.f.bdeFlags = |
b5c53958 | 9577 | BUFF_TYPE_BDE_IMMED; |
205e8240 JS |
9578 | wqe->generic.bde.tus.f.bdeSize = sgl->sge_len; |
9579 | wqe->generic.bde.addrHigh = 0; | |
9580 | wqe->generic.bde.addrLow = 88; /* Word 22 */ | |
b5c53958 | 9581 | |
205e8240 JS |
9582 | bf_set(wqe_wqes, &wqe->fcp_iread.wqe_com, 1); |
9583 | bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 0); | |
b5c53958 JS |
9584 | |
9585 | /* Word 22-29 FCP CMND Payload */ | |
205e8240 | 9586 | ptr = &wqe->words[22]; |
b5c53958 JS |
9587 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); |
9588 | } | |
7851fe2c | 9589 | break; |
4f774513 | 9590 | case CMD_FCP_ICMND64_CR: |
0ba4b219 JS |
9591 | /* word3 iocb=iotag wqe=payload_offset_len */ |
9592 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
9593 | bf_set(payload_offset_len, &wqe->fcp_icmd, | |
9594 | xmit_len + sizeof(struct fcp_rsp)); | |
9595 | bf_set(cmd_buff_len, &wqe->fcp_icmd, | |
9596 | 0); | |
f0d9bccc | 9597 | /* word3 iocb=IO_TAG wqe=reserved */ |
f0d9bccc | 9598 | bf_set(wqe_pu, &wqe->fcp_icmd.wqe_com, 0); |
4f774513 | 9599 | /* Always open the exchange */ |
f0d9bccc JS |
9600 | bf_set(wqe_dbde, &wqe->fcp_icmd.wqe_com, 1); |
9601 | bf_set(wqe_iod, &wqe->fcp_icmd.wqe_com, LPFC_WQE_IOD_WRITE); | |
9602 | bf_set(wqe_qosd, &wqe->fcp_icmd.wqe_com, 1); | |
9603 | bf_set(wqe_lenloc, &wqe->fcp_icmd.wqe_com, | |
9604 | LPFC_WQE_LENLOC_NONE); | |
2a94aea4 JS |
9605 | bf_set(wqe_erp, &wqe->fcp_icmd.wqe_com, |
9606 | iocbq->iocb.ulpFCP2Rcvy); | |
1ba981fd JS |
9607 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
9608 | bf_set(wqe_oas, &wqe->fcp_icmd.wqe_com, 1); | |
c92c841c JS |
9609 | bf_set(wqe_ccpe, &wqe->fcp_icmd.wqe_com, 1); |
9610 | if (iocbq->priority) { | |
9611 | bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com, | |
9612 | (iocbq->priority << 1)); | |
9613 | } else { | |
1ba981fd JS |
9614 | bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com, |
9615 | (phba->cfg_XLanePriority << 1)); | |
9616 | } | |
9617 | } | |
b5c53958 JS |
9618 | /* Note, word 10 is already initialized to 0 */ |
9619 | ||
9620 | if (phba->fcp_embed_io) { | |
c490850a | 9621 | struct lpfc_io_buf *lpfc_cmd; |
b5c53958 | 9622 | struct sli4_sge *sgl; |
b5c53958 JS |
9623 | struct fcp_cmnd *fcp_cmnd; |
9624 | uint32_t *ptr; | |
9625 | ||
9626 | /* 128 byte wqe support here */ | |
b5c53958 JS |
9627 | |
9628 | lpfc_cmd = iocbq->context1; | |
0794d601 | 9629 | sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; |
b5c53958 JS |
9630 | fcp_cmnd = lpfc_cmd->fcp_cmnd; |
9631 | ||
9632 | /* Word 0-2 - FCP_CMND */ | |
205e8240 | 9633 | wqe->generic.bde.tus.f.bdeFlags = |
b5c53958 | 9634 | BUFF_TYPE_BDE_IMMED; |
205e8240 JS |
9635 | wqe->generic.bde.tus.f.bdeSize = sgl->sge_len; |
9636 | wqe->generic.bde.addrHigh = 0; | |
9637 | wqe->generic.bde.addrLow = 88; /* Word 22 */ | |
b5c53958 | 9638 | |
205e8240 JS |
9639 | bf_set(wqe_wqes, &wqe->fcp_icmd.wqe_com, 1); |
9640 | bf_set(wqe_dbde, &wqe->fcp_icmd.wqe_com, 0); | |
b5c53958 JS |
9641 | |
9642 | /* Word 22-29 FCP CMND Payload */ | |
205e8240 | 9643 | ptr = &wqe->words[22]; |
b5c53958 JS |
9644 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); |
9645 | } | |
7851fe2c | 9646 | break; |
4f774513 | 9647 | case CMD_GEN_REQUEST64_CR: |
63e801ce JS |
9648 | /* For this command calculate the xmit length of the |
9649 | * request bde. | |
9650 | */ | |
9651 | xmit_len = 0; | |
9652 | numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / | |
9653 | sizeof(struct ulp_bde64); | |
9654 | for (i = 0; i < numBdes; i++) { | |
63e801ce | 9655 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); |
546fc854 JS |
9656 | if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64) |
9657 | break; | |
63e801ce JS |
9658 | xmit_len += bde.tus.f.bdeSize; |
9659 | } | |
f0d9bccc JS |
9660 | /* word3 iocb=IO_TAG wqe=request_payload_len */ |
9661 | wqe->gen_req.request_payload_len = xmit_len; | |
9662 | /* word4 iocb=parameter wqe=relative_offset memcpy */ | |
9663 | /* word5 [rctl, type, df_ctl, la] copied in memcpy */ | |
4f774513 JS |
9664 | /* word6 context tag copied in memcpy */ |
9665 | if (iocbq->iocb.ulpCt_h || iocbq->iocb.ulpCt_l) { | |
9666 | ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); | |
9667 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
9668 | "2015 Invalid CT %x command 0x%x\n", | |
9669 | ct, iocbq->iocb.ulpCommand); | |
9670 | return IOCB_ERROR; | |
9671 | } | |
f0d9bccc JS |
9672 | bf_set(wqe_ct, &wqe->gen_req.wqe_com, 0); |
9673 | bf_set(wqe_tmo, &wqe->gen_req.wqe_com, iocbq->iocb.ulpTimeout); | |
9674 | bf_set(wqe_pu, &wqe->gen_req.wqe_com, iocbq->iocb.ulpPU); | |
9675 | bf_set(wqe_dbde, &wqe->gen_req.wqe_com, 1); | |
9676 | bf_set(wqe_iod, &wqe->gen_req.wqe_com, LPFC_WQE_IOD_READ); | |
9677 | bf_set(wqe_qosd, &wqe->gen_req.wqe_com, 1); | |
9678 | bf_set(wqe_lenloc, &wqe->gen_req.wqe_com, LPFC_WQE_LENLOC_NONE); | |
9679 | bf_set(wqe_ebde_cnt, &wqe->gen_req.wqe_com, 0); | |
af22741c | 9680 | wqe->gen_req.max_response_payload_len = total_len - xmit_len; |
4f774513 | 9681 | command_type = OTHER_COMMAND; |
7851fe2c | 9682 | break; |
4f774513 | 9683 | case CMD_XMIT_ELS_RSP64_CX: |
c31098ce | 9684 | ndlp = (struct lpfc_nodelist *)iocbq->context1; |
4f774513 | 9685 | /* words0-2 BDE memcpy */ |
f0d9bccc JS |
9686 | /* word3 iocb=iotag32 wqe=response_payload_len */ |
9687 | wqe->xmit_els_rsp.response_payload_len = xmit_len; | |
939723a4 JS |
9688 | /* word4 */ |
9689 | wqe->xmit_els_rsp.word4 = 0; | |
4f774513 JS |
9690 | /* word5 iocb=rsvd wge=did */ |
9691 | bf_set(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest, | |
939723a4 JS |
9692 | iocbq->iocb.un.xseq64.xmit_els_remoteID); |
9693 | ||
9694 | if_type = bf_get(lpfc_sli_intf_if_type, | |
9695 | &phba->sli4_hba.sli_intf); | |
27d6ac0a | 9696 | if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) { |
939723a4 JS |
9697 | if (iocbq->vport->fc_flag & FC_PT2PT) { |
9698 | bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); | |
9699 | bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, | |
9700 | iocbq->vport->fc_myDID); | |
9701 | if (iocbq->vport->fc_myDID == Fabric_DID) { | |
9702 | bf_set(wqe_els_did, | |
9703 | &wqe->xmit_els_rsp.wqe_dest, 0); | |
9704 | } | |
9705 | } | |
9706 | } | |
f0d9bccc JS |
9707 | bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, |
9708 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); | |
9709 | bf_set(wqe_pu, &wqe->xmit_els_rsp.wqe_com, iocbq->iocb.ulpPU); | |
9710 | bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, | |
7851fe2c | 9711 | iocbq->iocb.unsli3.rcvsli3.ox_id); |
4f774513 | 9712 | if (!iocbq->iocb.ulpCt_h && iocbq->iocb.ulpCt_l) |
f0d9bccc | 9713 | bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, |
6d368e53 | 9714 | phba->vpi_ids[iocbq->vport->vpi]); |
f0d9bccc JS |
9715 | bf_set(wqe_dbde, &wqe->xmit_els_rsp.wqe_com, 1); |
9716 | bf_set(wqe_iod, &wqe->xmit_els_rsp.wqe_com, LPFC_WQE_IOD_WRITE); | |
9717 | bf_set(wqe_qosd, &wqe->xmit_els_rsp.wqe_com, 1); | |
9718 | bf_set(wqe_lenloc, &wqe->xmit_els_rsp.wqe_com, | |
9719 | LPFC_WQE_LENLOC_WORD3); | |
9720 | bf_set(wqe_ebde_cnt, &wqe->xmit_els_rsp.wqe_com, 0); | |
6d368e53 JS |
9721 | bf_set(wqe_rsp_temp_rpi, &wqe->xmit_els_rsp, |
9722 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
ff78d8f9 JS |
9723 | pcmd = (uint32_t *) (((struct lpfc_dmabuf *) |
9724 | iocbq->context2)->virt); | |
9725 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { | |
939723a4 JS |
9726 | bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); |
9727 | bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, | |
ff78d8f9 | 9728 | iocbq->vport->fc_myDID); |
939723a4 JS |
9729 | bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, 1); |
9730 | bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, | |
ff78d8f9 JS |
9731 | phba->vpi_ids[phba->pport->vpi]); |
9732 | } | |
4f774513 | 9733 | command_type = OTHER_COMMAND; |
7851fe2c | 9734 | break; |
4f774513 JS |
9735 | case CMD_CLOSE_XRI_CN: |
9736 | case CMD_ABORT_XRI_CN: | |
9737 | case CMD_ABORT_XRI_CX: | |
9738 | /* words 0-2 memcpy should be 0 rserved */ | |
9739 | /* port will send abts */ | |
dcf2a4e0 JS |
9740 | abrt_iotag = iocbq->iocb.un.acxri.abortContextTag; |
9741 | if (abrt_iotag != 0 && abrt_iotag <= phba->sli.last_iotag) { | |
9742 | abrtiocbq = phba->sli.iocbq_lookup[abrt_iotag]; | |
9743 | fip = abrtiocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK; | |
9744 | } else | |
9745 | fip = 0; | |
9746 | ||
9747 | if ((iocbq->iocb.ulpCommand == CMD_CLOSE_XRI_CN) || fip) | |
4f774513 | 9748 | /* |
dcf2a4e0 JS |
9749 | * The link is down, or the command was ELS_FIP |
9750 | * so the fw does not need to send abts | |
4f774513 JS |
9751 | * on the wire. |
9752 | */ | |
9753 | bf_set(abort_cmd_ia, &wqe->abort_cmd, 1); | |
9754 | else | |
9755 | bf_set(abort_cmd_ia, &wqe->abort_cmd, 0); | |
9756 | bf_set(abort_cmd_criteria, &wqe->abort_cmd, T_XRI_TAG); | |
f0d9bccc JS |
9757 | /* word5 iocb=CONTEXT_TAG|IO_TAG wqe=reserved */ |
9758 | wqe->abort_cmd.rsrvd5 = 0; | |
9759 | bf_set(wqe_ct, &wqe->abort_cmd.wqe_com, | |
4f774513 JS |
9760 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); |
9761 | abort_tag = iocbq->iocb.un.acxri.abortIoTag; | |
4f774513 JS |
9762 | /* |
9763 | * The abort handler will send us CMD_ABORT_XRI_CN or | |
9764 | * CMD_CLOSE_XRI_CN and the fw only accepts CMD_ABORT_XRI_CX | |
9765 | */ | |
f0d9bccc JS |
9766 | bf_set(wqe_cmnd, &wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); |
9767 | bf_set(wqe_qosd, &wqe->abort_cmd.wqe_com, 1); | |
9768 | bf_set(wqe_lenloc, &wqe->abort_cmd.wqe_com, | |
9769 | LPFC_WQE_LENLOC_NONE); | |
4f774513 JS |
9770 | cmnd = CMD_ABORT_XRI_CX; |
9771 | command_type = OTHER_COMMAND; | |
9772 | xritag = 0; | |
7851fe2c | 9773 | break; |
6669f9bb | 9774 | case CMD_XMIT_BLS_RSP64_CX: |
6b5151fd | 9775 | ndlp = (struct lpfc_nodelist *)iocbq->context1; |
546fc854 | 9776 | /* As BLS ABTS RSP WQE is very different from other WQEs, |
6669f9bb JS |
9777 | * we re-construct this WQE here based on information in |
9778 | * iocbq from scratch. | |
9779 | */ | |
9780 | memset(wqe, 0, sizeof(union lpfc_wqe)); | |
5ffc266e | 9781 | /* OX_ID is invariable to who sent ABTS to CT exchange */ |
6669f9bb | 9782 | bf_set(xmit_bls_rsp64_oxid, &wqe->xmit_bls_rsp, |
546fc854 JS |
9783 | bf_get(lpfc_abts_oxid, &iocbq->iocb.un.bls_rsp)); |
9784 | if (bf_get(lpfc_abts_orig, &iocbq->iocb.un.bls_rsp) == | |
5ffc266e JS |
9785 | LPFC_ABTS_UNSOL_INT) { |
9786 | /* ABTS sent by initiator to CT exchange, the | |
9787 | * RX_ID field will be filled with the newly | |
9788 | * allocated responder XRI. | |
9789 | */ | |
9790 | bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, | |
9791 | iocbq->sli4_xritag); | |
9792 | } else { | |
9793 | /* ABTS sent by responder to CT exchange, the | |
9794 | * RX_ID field will be filled with the responder | |
9795 | * RX_ID from ABTS. | |
9796 | */ | |
9797 | bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, | |
546fc854 | 9798 | bf_get(lpfc_abts_rxid, &iocbq->iocb.un.bls_rsp)); |
5ffc266e | 9799 | } |
6669f9bb JS |
9800 | bf_set(xmit_bls_rsp64_seqcnthi, &wqe->xmit_bls_rsp, 0xffff); |
9801 | bf_set(wqe_xmit_bls_pt, &wqe->xmit_bls_rsp.wqe_dest, 0x1); | |
6b5151fd JS |
9802 | |
9803 | /* Use CT=VPI */ | |
9804 | bf_set(wqe_els_did, &wqe->xmit_bls_rsp.wqe_dest, | |
9805 | ndlp->nlp_DID); | |
9806 | bf_set(xmit_bls_rsp64_temprpi, &wqe->xmit_bls_rsp, | |
9807 | iocbq->iocb.ulpContext); | |
9808 | bf_set(wqe_ct, &wqe->xmit_bls_rsp.wqe_com, 1); | |
6669f9bb | 9809 | bf_set(wqe_ctxt_tag, &wqe->xmit_bls_rsp.wqe_com, |
6b5151fd | 9810 | phba->vpi_ids[phba->pport->vpi]); |
f0d9bccc JS |
9811 | bf_set(wqe_qosd, &wqe->xmit_bls_rsp.wqe_com, 1); |
9812 | bf_set(wqe_lenloc, &wqe->xmit_bls_rsp.wqe_com, | |
9813 | LPFC_WQE_LENLOC_NONE); | |
6669f9bb JS |
9814 | /* Overwrite the pre-set comnd type with OTHER_COMMAND */ |
9815 | command_type = OTHER_COMMAND; | |
546fc854 JS |
9816 | if (iocbq->iocb.un.xseq64.w5.hcsw.Rctl == FC_RCTL_BA_RJT) { |
9817 | bf_set(xmit_bls_rsp64_rjt_vspec, &wqe->xmit_bls_rsp, | |
9818 | bf_get(lpfc_vndr_code, &iocbq->iocb.un.bls_rsp)); | |
9819 | bf_set(xmit_bls_rsp64_rjt_expc, &wqe->xmit_bls_rsp, | |
9820 | bf_get(lpfc_rsn_expln, &iocbq->iocb.un.bls_rsp)); | |
9821 | bf_set(xmit_bls_rsp64_rjt_rsnc, &wqe->xmit_bls_rsp, | |
9822 | bf_get(lpfc_rsn_code, &iocbq->iocb.un.bls_rsp)); | |
9823 | } | |
9824 | ||
7851fe2c | 9825 | break; |
ae9e28f3 JS |
9826 | case CMD_SEND_FRAME: |
9827 | bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); | |
9828 | bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); | |
9829 | return 0; | |
4f774513 JS |
9830 | case CMD_XRI_ABORTED_CX: |
9831 | case CMD_CREATE_XRI_CR: /* Do we expect to use this? */ | |
4f774513 JS |
9832 | case CMD_IOCB_FCP_IBIDIR64_CR: /* bidirectional xfer */ |
9833 | case CMD_FCP_TSEND64_CX: /* Target mode send xfer-ready */ | |
9834 | case CMD_FCP_TRSP64_CX: /* Target mode rcv */ | |
9835 | case CMD_FCP_AUTO_TRSP_CX: /* Auto target rsp */ | |
9836 | default: | |
9837 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
9838 | "2014 Invalid command 0x%x\n", | |
9839 | iocbq->iocb.ulpCommand); | |
9840 | return IOCB_ERROR; | |
7851fe2c | 9841 | break; |
4f774513 | 9842 | } |
6d368e53 | 9843 | |
8012cc38 JS |
9844 | if (iocbq->iocb_flag & LPFC_IO_DIF_PASS) |
9845 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_PASSTHRU); | |
9846 | else if (iocbq->iocb_flag & LPFC_IO_DIF_STRIP) | |
9847 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_STRIP); | |
9848 | else if (iocbq->iocb_flag & LPFC_IO_DIF_INSERT) | |
9849 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_INSERT); | |
9850 | iocbq->iocb_flag &= ~(LPFC_IO_DIF_PASS | LPFC_IO_DIF_STRIP | | |
9851 | LPFC_IO_DIF_INSERT); | |
f0d9bccc JS |
9852 | bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); |
9853 | bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); | |
9854 | wqe->generic.wqe_com.abort_tag = abort_tag; | |
9855 | bf_set(wqe_cmd_type, &wqe->generic.wqe_com, command_type); | |
9856 | bf_set(wqe_cmnd, &wqe->generic.wqe_com, cmnd); | |
9857 | bf_set(wqe_class, &wqe->generic.wqe_com, iocbq->iocb.ulpClass); | |
9858 | bf_set(wqe_cqid, &wqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); | |
4f774513 JS |
9859 | return 0; |
9860 | } | |
9861 | ||
9862 | /** | |
9863 | * __lpfc_sli_issue_iocb_s4 - SLI4 device lockless ver of lpfc_sli_issue_iocb | |
9864 | * @phba: Pointer to HBA context object. | |
9865 | * @ring_number: SLI ring number to issue iocb on. | |
9866 | * @piocb: Pointer to command iocb. | |
9867 | * @flag: Flag indicating if this command can be put into txq. | |
9868 | * | |
9869 | * __lpfc_sli_issue_iocb_s4 is used by other functions in the driver to issue | |
9870 | * an iocb command to an HBA with SLI-4 interface spec. | |
9871 | * | |
9872 | * This function is called with hbalock held. The function will return success | |
9873 | * after it successfully submit the iocb to firmware or after adding to the | |
9874 | * txq. | |
9875 | **/ | |
9876 | static int | |
9877 | __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, | |
9878 | struct lpfc_iocbq *piocb, uint32_t flag) | |
9879 | { | |
9880 | struct lpfc_sglq *sglq; | |
205e8240 | 9881 | union lpfc_wqe128 wqe; |
1ba981fd | 9882 | struct lpfc_queue *wq; |
895427bd | 9883 | struct lpfc_sli_ring *pring; |
4f774513 | 9884 | |
895427bd JS |
9885 | /* Get the WQ */ |
9886 | if ((piocb->iocb_flag & LPFC_IO_FCP) || | |
9887 | (piocb->iocb_flag & LPFC_USE_FCPWQIDX)) { | |
cdb42bec | 9888 | wq = phba->sli4_hba.hdwq[piocb->hba_wqidx].fcp_wq; |
895427bd JS |
9889 | } else { |
9890 | wq = phba->sli4_hba.els_wq; | |
9891 | } | |
9892 | ||
9893 | /* Get corresponding ring */ | |
9894 | pring = wq->pring; | |
1c2ba475 | 9895 | |
b5c53958 JS |
9896 | /* |
9897 | * The WQE can be either 64 or 128 bytes, | |
b5c53958 | 9898 | */ |
b5c53958 | 9899 | |
895427bd JS |
9900 | lockdep_assert_held(&phba->hbalock); |
9901 | ||
4f774513 JS |
9902 | if (piocb->sli4_xritag == NO_XRI) { |
9903 | if (piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || | |
6b5151fd | 9904 | piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) |
4f774513 JS |
9905 | sglq = NULL; |
9906 | else { | |
0e9bb8d7 | 9907 | if (!list_empty(&pring->txq)) { |
2a9bf3d0 JS |
9908 | if (!(flag & SLI_IOCB_RET_IOCB)) { |
9909 | __lpfc_sli_ringtx_put(phba, | |
9910 | pring, piocb); | |
9911 | return IOCB_SUCCESS; | |
9912 | } else { | |
9913 | return IOCB_BUSY; | |
9914 | } | |
9915 | } else { | |
895427bd | 9916 | sglq = __lpfc_sli_get_els_sglq(phba, piocb); |
2a9bf3d0 JS |
9917 | if (!sglq) { |
9918 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
9919 | __lpfc_sli_ringtx_put(phba, | |
9920 | pring, | |
9921 | piocb); | |
9922 | return IOCB_SUCCESS; | |
9923 | } else | |
9924 | return IOCB_BUSY; | |
9925 | } | |
9926 | } | |
4f774513 | 9927 | } |
2ea259ee | 9928 | } else if (piocb->iocb_flag & LPFC_IO_FCP) |
6d368e53 JS |
9929 | /* These IO's already have an XRI and a mapped sgl. */ |
9930 | sglq = NULL; | |
2ea259ee | 9931 | else { |
6d368e53 JS |
9932 | /* |
9933 | * This is a continuation of a commandi,(CX) so this | |
4f774513 JS |
9934 | * sglq is on the active list |
9935 | */ | |
edccdc17 | 9936 | sglq = __lpfc_get_active_sglq(phba, piocb->sli4_lxritag); |
4f774513 JS |
9937 | if (!sglq) |
9938 | return IOCB_ERROR; | |
9939 | } | |
9940 | ||
9941 | if (sglq) { | |
6d368e53 | 9942 | piocb->sli4_lxritag = sglq->sli4_lxritag; |
2a9bf3d0 | 9943 | piocb->sli4_xritag = sglq->sli4_xritag; |
2a9bf3d0 | 9944 | if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocb, sglq)) |
4f774513 JS |
9945 | return IOCB_ERROR; |
9946 | } | |
9947 | ||
205e8240 | 9948 | if (lpfc_sli4_iocb2wqe(phba, piocb, &wqe)) |
4f774513 JS |
9949 | return IOCB_ERROR; |
9950 | ||
205e8240 | 9951 | if (lpfc_sli4_wq_put(wq, &wqe)) |
895427bd | 9952 | return IOCB_ERROR; |
4f774513 JS |
9953 | lpfc_sli_ringtxcmpl_put(phba, pring, piocb); |
9954 | ||
9955 | return 0; | |
9956 | } | |
9957 | ||
9958 | /** | |
9959 | * __lpfc_sli_issue_iocb - Wrapper func of lockless version for issuing iocb | |
9960 | * | |
9961 | * This routine wraps the actual lockless version for issusing IOCB function | |
9962 | * pointer from the lpfc_hba struct. | |
9963 | * | |
9964 | * Return codes: | |
b5c53958 JS |
9965 | * IOCB_ERROR - Error |
9966 | * IOCB_SUCCESS - Success | |
9967 | * IOCB_BUSY - Busy | |
4f774513 | 9968 | **/ |
2a9bf3d0 | 9969 | int |
4f774513 JS |
9970 | __lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, |
9971 | struct lpfc_iocbq *piocb, uint32_t flag) | |
9972 | { | |
9973 | return phba->__lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
9974 | } | |
9975 | ||
9976 | /** | |
25985edc | 9977 | * lpfc_sli_api_table_setup - Set up sli api function jump table |
4f774513 JS |
9978 | * @phba: The hba struct for which this call is being executed. |
9979 | * @dev_grp: The HBA PCI-Device group number. | |
9980 | * | |
9981 | * This routine sets up the SLI interface API function jump table in @phba | |
9982 | * struct. | |
9983 | * Returns: 0 - success, -ENODEV - failure. | |
9984 | **/ | |
9985 | int | |
9986 | lpfc_sli_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
9987 | { | |
9988 | ||
9989 | switch (dev_grp) { | |
9990 | case LPFC_PCI_DEV_LP: | |
9991 | phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s3; | |
9992 | phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s3; | |
9993 | break; | |
9994 | case LPFC_PCI_DEV_OC: | |
9995 | phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s4; | |
9996 | phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s4; | |
9997 | break; | |
9998 | default: | |
9999 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10000 | "1419 Invalid HBA PCI-device group: 0x%x\n", | |
10001 | dev_grp); | |
10002 | return -ENODEV; | |
10003 | break; | |
10004 | } | |
10005 | phba->lpfc_get_iocb_from_iocbq = lpfc_get_iocb_from_iocbq; | |
10006 | return 0; | |
10007 | } | |
10008 | ||
a1efe163 | 10009 | /** |
895427bd | 10010 | * lpfc_sli4_calc_ring - Calculates which ring to use |
a1efe163 | 10011 | * @phba: Pointer to HBA context object. |
a1efe163 JS |
10012 | * @piocb: Pointer to command iocb. |
10013 | * | |
895427bd JS |
10014 | * For SLI4 only, FCP IO can deferred to one fo many WQs, based on |
10015 | * hba_wqidx, thus we need to calculate the corresponding ring. | |
a1efe163 | 10016 | * Since ABORTS must go on the same WQ of the command they are |
895427bd | 10017 | * aborting, we use command's hba_wqidx. |
a1efe163 | 10018 | */ |
895427bd JS |
10019 | struct lpfc_sli_ring * |
10020 | lpfc_sli4_calc_ring(struct lpfc_hba *phba, struct lpfc_iocbq *piocb) | |
9bd2bff5 | 10021 | { |
c490850a | 10022 | struct lpfc_io_buf *lpfc_cmd; |
5e5b511d | 10023 | |
895427bd | 10024 | if (piocb->iocb_flag & (LPFC_IO_FCP | LPFC_USE_FCPWQIDX)) { |
cdb42bec | 10025 | if (unlikely(!phba->sli4_hba.hdwq)) |
7370d10a JS |
10026 | return NULL; |
10027 | /* | |
10028 | * for abort iocb hba_wqidx should already | |
10029 | * be setup based on what work queue we used. | |
10030 | */ | |
10031 | if (!(piocb->iocb_flag & LPFC_USE_FCPWQIDX)) { | |
c490850a | 10032 | lpfc_cmd = (struct lpfc_io_buf *)piocb->context1; |
1fbf9742 | 10033 | piocb->hba_wqidx = lpfc_cmd->hdwq_no; |
7370d10a | 10034 | } |
cdb42bec | 10035 | return phba->sli4_hba.hdwq[piocb->hba_wqidx].fcp_wq->pring; |
895427bd JS |
10036 | } else { |
10037 | if (unlikely(!phba->sli4_hba.els_wq)) | |
10038 | return NULL; | |
10039 | piocb->hba_wqidx = 0; | |
10040 | return phba->sli4_hba.els_wq->pring; | |
9bd2bff5 | 10041 | } |
9bd2bff5 JS |
10042 | } |
10043 | ||
4f774513 JS |
10044 | /** |
10045 | * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb | |
10046 | * @phba: Pointer to HBA context object. | |
10047 | * @pring: Pointer to driver SLI ring object. | |
10048 | * @piocb: Pointer to command iocb. | |
10049 | * @flag: Flag indicating if this command can be put into txq. | |
10050 | * | |
10051 | * lpfc_sli_issue_iocb is a wrapper around __lpfc_sli_issue_iocb | |
10052 | * function. This function gets the hbalock and calls | |
10053 | * __lpfc_sli_issue_iocb function and will return the error returned | |
10054 | * by __lpfc_sli_issue_iocb function. This wrapper is used by | |
10055 | * functions which do not hold hbalock. | |
10056 | **/ | |
10057 | int | |
10058 | lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, | |
10059 | struct lpfc_iocbq *piocb, uint32_t flag) | |
10060 | { | |
895427bd | 10061 | struct lpfc_hba_eq_hdl *hba_eq_hdl; |
2a76a283 | 10062 | struct lpfc_sli_ring *pring; |
ba20c853 JS |
10063 | struct lpfc_queue *fpeq; |
10064 | struct lpfc_eqe *eqe; | |
4f774513 | 10065 | unsigned long iflags; |
2a76a283 | 10066 | int rc, idx; |
4f774513 | 10067 | |
7e56aa25 | 10068 | if (phba->sli_rev == LPFC_SLI_REV4) { |
895427bd JS |
10069 | pring = lpfc_sli4_calc_ring(phba, piocb); |
10070 | if (unlikely(pring == NULL)) | |
9bd2bff5 | 10071 | return IOCB_ERROR; |
ba20c853 | 10072 | |
9bd2bff5 JS |
10073 | spin_lock_irqsave(&pring->ring_lock, iflags); |
10074 | rc = __lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
10075 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
ba20c853 | 10076 | |
9bd2bff5 | 10077 | if (lpfc_fcp_look_ahead && (piocb->iocb_flag & LPFC_IO_FCP)) { |
895427bd JS |
10078 | idx = piocb->hba_wqidx; |
10079 | hba_eq_hdl = &phba->sli4_hba.hba_eq_hdl[idx]; | |
4f774513 | 10080 | |
895427bd | 10081 | if (atomic_dec_and_test(&hba_eq_hdl->hba_eq_in_use)) { |
ba20c853 | 10082 | |
9bd2bff5 | 10083 | /* Get associated EQ with this index */ |
cdb42bec | 10084 | fpeq = phba->sli4_hba.hdwq[idx].hba_eq; |
ba20c853 | 10085 | |
9bd2bff5 | 10086 | /* Turn off interrupts from this EQ */ |
b71413dd | 10087 | phba->sli4_hba.sli4_eq_clr_intr(fpeq); |
ba20c853 | 10088 | |
9bd2bff5 JS |
10089 | /* |
10090 | * Process all the events on FCP EQ | |
10091 | */ | |
10092 | while ((eqe = lpfc_sli4_eq_get(fpeq))) { | |
10093 | lpfc_sli4_hba_handle_eqe(phba, | |
10094 | eqe, idx); | |
10095 | fpeq->EQ_processed++; | |
ba20c853 | 10096 | } |
ba20c853 | 10097 | |
9bd2bff5 | 10098 | /* Always clear and re-arm the EQ */ |
b71413dd | 10099 | phba->sli4_hba.sli4_eq_release(fpeq, |
9bd2bff5 JS |
10100 | LPFC_QUEUE_REARM); |
10101 | } | |
895427bd | 10102 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
2a76a283 | 10103 | } |
7e56aa25 JS |
10104 | } else { |
10105 | /* For now, SLI2/3 will still use hbalock */ | |
10106 | spin_lock_irqsave(&phba->hbalock, iflags); | |
10107 | rc = __lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
10108 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
10109 | } | |
4f774513 JS |
10110 | return rc; |
10111 | } | |
10112 | ||
10113 | /** | |
10114 | * lpfc_extra_ring_setup - Extra ring setup function | |
10115 | * @phba: Pointer to HBA context object. | |
10116 | * | |
10117 | * This function is called while driver attaches with the | |
10118 | * HBA to setup the extra ring. The extra ring is used | |
10119 | * only when driver needs to support target mode functionality | |
10120 | * or IP over FC functionalities. | |
10121 | * | |
895427bd | 10122 | * This function is called with no lock held. SLI3 only. |
4f774513 JS |
10123 | **/ |
10124 | static int | |
10125 | lpfc_extra_ring_setup( struct lpfc_hba *phba) | |
10126 | { | |
10127 | struct lpfc_sli *psli; | |
10128 | struct lpfc_sli_ring *pring; | |
10129 | ||
10130 | psli = &phba->sli; | |
10131 | ||
10132 | /* Adjust cmd/rsp ring iocb entries more evenly */ | |
10133 | ||
10134 | /* Take some away from the FCP ring */ | |
895427bd | 10135 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
7e56aa25 JS |
10136 | pring->sli.sli3.numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
10137 | pring->sli.sli3.numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
10138 | pring->sli.sli3.numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
10139 | pring->sli.sli3.numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
cf5bf97e | 10140 | |
a4bc3379 | 10141 | /* and give them to the extra ring */ |
895427bd | 10142 | pring = &psli->sli3_ring[LPFC_EXTRA_RING]; |
a4bc3379 | 10143 | |
7e56aa25 JS |
10144 | pring->sli.sli3.numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
10145 | pring->sli.sli3.numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
10146 | pring->sli.sli3.numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
10147 | pring->sli.sli3.numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
cf5bf97e JW |
10148 | |
10149 | /* Setup default profile for this ring */ | |
10150 | pring->iotag_max = 4096; | |
10151 | pring->num_mask = 1; | |
10152 | pring->prt[0].profile = 0; /* Mask 0 */ | |
a4bc3379 JS |
10153 | pring->prt[0].rctl = phba->cfg_multi_ring_rctl; |
10154 | pring->prt[0].type = phba->cfg_multi_ring_type; | |
cf5bf97e JW |
10155 | pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; |
10156 | return 0; | |
10157 | } | |
10158 | ||
cb69f7de JS |
10159 | /* lpfc_sli_abts_err_handler - handle a failed ABTS request from an SLI3 port. |
10160 | * @phba: Pointer to HBA context object. | |
10161 | * @iocbq: Pointer to iocb object. | |
10162 | * | |
10163 | * The async_event handler calls this routine when it receives | |
10164 | * an ASYNC_STATUS_CN event from the port. The port generates | |
10165 | * this event when an Abort Sequence request to an rport fails | |
10166 | * twice in succession. The abort could be originated by the | |
10167 | * driver or by the port. The ABTS could have been for an ELS | |
10168 | * or FCP IO. The port only generates this event when an ABTS | |
10169 | * fails to complete after one retry. | |
10170 | */ | |
10171 | static void | |
10172 | lpfc_sli_abts_err_handler(struct lpfc_hba *phba, | |
10173 | struct lpfc_iocbq *iocbq) | |
10174 | { | |
10175 | struct lpfc_nodelist *ndlp = NULL; | |
10176 | uint16_t rpi = 0, vpi = 0; | |
10177 | struct lpfc_vport *vport = NULL; | |
10178 | ||
10179 | /* The rpi in the ulpContext is vport-sensitive. */ | |
10180 | vpi = iocbq->iocb.un.asyncstat.sub_ctxt_tag; | |
10181 | rpi = iocbq->iocb.ulpContext; | |
10182 | ||
10183 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
10184 | "3092 Port generated ABTS async event " | |
10185 | "on vpi %d rpi %d status 0x%x\n", | |
10186 | vpi, rpi, iocbq->iocb.ulpStatus); | |
10187 | ||
10188 | vport = lpfc_find_vport_by_vpid(phba, vpi); | |
10189 | if (!vport) | |
10190 | goto err_exit; | |
10191 | ndlp = lpfc_findnode_rpi(vport, rpi); | |
10192 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) | |
10193 | goto err_exit; | |
10194 | ||
10195 | if (iocbq->iocb.ulpStatus == IOSTAT_LOCAL_REJECT) | |
10196 | lpfc_sli_abts_recover_port(vport, ndlp); | |
10197 | return; | |
10198 | ||
10199 | err_exit: | |
10200 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
10201 | "3095 Event Context not found, no " | |
10202 | "action on vpi %d rpi %d status 0x%x, reason 0x%x\n", | |
10203 | iocbq->iocb.ulpContext, iocbq->iocb.ulpStatus, | |
10204 | vpi, rpi); | |
10205 | } | |
10206 | ||
10207 | /* lpfc_sli4_abts_err_handler - handle a failed ABTS request from an SLI4 port. | |
10208 | * @phba: pointer to HBA context object. | |
10209 | * @ndlp: nodelist pointer for the impacted rport. | |
10210 | * @axri: pointer to the wcqe containing the failed exchange. | |
10211 | * | |
10212 | * The driver calls this routine when it receives an ABORT_XRI_FCP CQE from the | |
10213 | * port. The port generates this event when an abort exchange request to an | |
10214 | * rport fails twice in succession with no reply. The abort could be originated | |
10215 | * by the driver or by the port. The ABTS could have been for an ELS or FCP IO. | |
10216 | */ | |
10217 | void | |
10218 | lpfc_sli4_abts_err_handler(struct lpfc_hba *phba, | |
10219 | struct lpfc_nodelist *ndlp, | |
10220 | struct sli4_wcqe_xri_aborted *axri) | |
10221 | { | |
10222 | struct lpfc_vport *vport; | |
5c1db2ac | 10223 | uint32_t ext_status = 0; |
cb69f7de | 10224 | |
6b5151fd | 10225 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
cb69f7de JS |
10226 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
10227 | "3115 Node Context not found, driver " | |
10228 | "ignoring abts err event\n"); | |
6b5151fd JS |
10229 | return; |
10230 | } | |
10231 | ||
cb69f7de JS |
10232 | vport = ndlp->vport; |
10233 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
10234 | "3116 Port generated FCP XRI ABORT event on " | |
5c1db2ac | 10235 | "vpi %d rpi %d xri x%x status 0x%x parameter x%x\n", |
8e668af5 | 10236 | ndlp->vport->vpi, phba->sli4_hba.rpi_ids[ndlp->nlp_rpi], |
cb69f7de | 10237 | bf_get(lpfc_wcqe_xa_xri, axri), |
5c1db2ac JS |
10238 | bf_get(lpfc_wcqe_xa_status, axri), |
10239 | axri->parameter); | |
cb69f7de | 10240 | |
5c1db2ac JS |
10241 | /* |
10242 | * Catch the ABTS protocol failure case. Older OCe FW releases returned | |
10243 | * LOCAL_REJECT and 0 for a failed ABTS exchange and later OCe and | |
10244 | * LPe FW releases returned LOCAL_REJECT and SEQUENCE_TIMEOUT. | |
10245 | */ | |
e3d2b802 | 10246 | ext_status = axri->parameter & IOERR_PARAM_MASK; |
5c1db2ac JS |
10247 | if ((bf_get(lpfc_wcqe_xa_status, axri) == IOSTAT_LOCAL_REJECT) && |
10248 | ((ext_status == IOERR_SEQUENCE_TIMEOUT) || (ext_status == 0))) | |
cb69f7de JS |
10249 | lpfc_sli_abts_recover_port(vport, ndlp); |
10250 | } | |
10251 | ||
e59058c4 | 10252 | /** |
3621a710 | 10253 | * lpfc_sli_async_event_handler - ASYNC iocb handler function |
e59058c4 JS |
10254 | * @phba: Pointer to HBA context object. |
10255 | * @pring: Pointer to driver SLI ring object. | |
10256 | * @iocbq: Pointer to iocb object. | |
10257 | * | |
10258 | * This function is called by the slow ring event handler | |
10259 | * function when there is an ASYNC event iocb in the ring. | |
10260 | * This function is called with no lock held. | |
10261 | * Currently this function handles only temperature related | |
10262 | * ASYNC events. The function decodes the temperature sensor | |
10263 | * event message and posts events for the management applications. | |
10264 | **/ | |
98c9ea5c | 10265 | static void |
57127f15 JS |
10266 | lpfc_sli_async_event_handler(struct lpfc_hba * phba, |
10267 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq) | |
10268 | { | |
10269 | IOCB_t *icmd; | |
10270 | uint16_t evt_code; | |
57127f15 JS |
10271 | struct temp_event temp_event_data; |
10272 | struct Scsi_Host *shost; | |
a257bf90 | 10273 | uint32_t *iocb_w; |
57127f15 JS |
10274 | |
10275 | icmd = &iocbq->iocb; | |
10276 | evt_code = icmd->un.asyncstat.evt_code; | |
57127f15 | 10277 | |
cb69f7de JS |
10278 | switch (evt_code) { |
10279 | case ASYNC_TEMP_WARN: | |
10280 | case ASYNC_TEMP_SAFE: | |
10281 | temp_event_data.data = (uint32_t) icmd->ulpContext; | |
10282 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
10283 | if (evt_code == ASYNC_TEMP_WARN) { | |
10284 | temp_event_data.event_code = LPFC_THRESHOLD_TEMP; | |
10285 | lpfc_printf_log(phba, KERN_ERR, LOG_TEMP, | |
10286 | "0347 Adapter is very hot, please take " | |
10287 | "corrective action. temperature : %d Celsius\n", | |
10288 | (uint32_t) icmd->ulpContext); | |
10289 | } else { | |
10290 | temp_event_data.event_code = LPFC_NORMAL_TEMP; | |
10291 | lpfc_printf_log(phba, KERN_ERR, LOG_TEMP, | |
10292 | "0340 Adapter temperature is OK now. " | |
10293 | "temperature : %d Celsius\n", | |
10294 | (uint32_t) icmd->ulpContext); | |
10295 | } | |
10296 | ||
10297 | /* Send temperature change event to applications */ | |
10298 | shost = lpfc_shost_from_vport(phba->pport); | |
10299 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
10300 | sizeof(temp_event_data), (char *) &temp_event_data, | |
10301 | LPFC_NL_VENDOR_ID); | |
10302 | break; | |
10303 | case ASYNC_STATUS_CN: | |
10304 | lpfc_sli_abts_err_handler(phba, iocbq); | |
10305 | break; | |
10306 | default: | |
a257bf90 | 10307 | iocb_w = (uint32_t *) icmd; |
cb69f7de | 10308 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
76bb24ef | 10309 | "0346 Ring %d handler: unexpected ASYNC_STATUS" |
e4e74273 | 10310 | " evt_code 0x%x\n" |
a257bf90 JS |
10311 | "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n" |
10312 | "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n" | |
10313 | "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n" | |
10314 | "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n", | |
cb69f7de | 10315 | pring->ringno, icmd->un.asyncstat.evt_code, |
a257bf90 JS |
10316 | iocb_w[0], iocb_w[1], iocb_w[2], iocb_w[3], |
10317 | iocb_w[4], iocb_w[5], iocb_w[6], iocb_w[7], | |
10318 | iocb_w[8], iocb_w[9], iocb_w[10], iocb_w[11], | |
10319 | iocb_w[12], iocb_w[13], iocb_w[14], iocb_w[15]); | |
10320 | ||
cb69f7de | 10321 | break; |
57127f15 | 10322 | } |
57127f15 JS |
10323 | } |
10324 | ||
10325 | ||
e59058c4 | 10326 | /** |
895427bd | 10327 | * lpfc_sli4_setup - SLI ring setup function |
e59058c4 JS |
10328 | * @phba: Pointer to HBA context object. |
10329 | * | |
10330 | * lpfc_sli_setup sets up rings of the SLI interface with | |
10331 | * number of iocbs per ring and iotags. This function is | |
10332 | * called while driver attach to the HBA and before the | |
10333 | * interrupts are enabled. So there is no need for locking. | |
10334 | * | |
10335 | * This function always returns 0. | |
10336 | **/ | |
dea3101e | 10337 | int |
895427bd JS |
10338 | lpfc_sli4_setup(struct lpfc_hba *phba) |
10339 | { | |
10340 | struct lpfc_sli_ring *pring; | |
10341 | ||
10342 | pring = phba->sli4_hba.els_wq->pring; | |
10343 | pring->num_mask = LPFC_MAX_RING_MASK; | |
10344 | pring->prt[0].profile = 0; /* Mask 0 */ | |
10345 | pring->prt[0].rctl = FC_RCTL_ELS_REQ; | |
10346 | pring->prt[0].type = FC_TYPE_ELS; | |
10347 | pring->prt[0].lpfc_sli_rcv_unsol_event = | |
10348 | lpfc_els_unsol_event; | |
10349 | pring->prt[1].profile = 0; /* Mask 1 */ | |
10350 | pring->prt[1].rctl = FC_RCTL_ELS_REP; | |
10351 | pring->prt[1].type = FC_TYPE_ELS; | |
10352 | pring->prt[1].lpfc_sli_rcv_unsol_event = | |
10353 | lpfc_els_unsol_event; | |
10354 | pring->prt[2].profile = 0; /* Mask 2 */ | |
10355 | /* NameServer Inquiry */ | |
10356 | pring->prt[2].rctl = FC_RCTL_DD_UNSOL_CTL; | |
10357 | /* NameServer */ | |
10358 | pring->prt[2].type = FC_TYPE_CT; | |
10359 | pring->prt[2].lpfc_sli_rcv_unsol_event = | |
10360 | lpfc_ct_unsol_event; | |
10361 | pring->prt[3].profile = 0; /* Mask 3 */ | |
10362 | /* NameServer response */ | |
10363 | pring->prt[3].rctl = FC_RCTL_DD_SOL_CTL; | |
10364 | /* NameServer */ | |
10365 | pring->prt[3].type = FC_TYPE_CT; | |
10366 | pring->prt[3].lpfc_sli_rcv_unsol_event = | |
10367 | lpfc_ct_unsol_event; | |
10368 | return 0; | |
10369 | } | |
10370 | ||
10371 | /** | |
10372 | * lpfc_sli_setup - SLI ring setup function | |
10373 | * @phba: Pointer to HBA context object. | |
10374 | * | |
10375 | * lpfc_sli_setup sets up rings of the SLI interface with | |
10376 | * number of iocbs per ring and iotags. This function is | |
10377 | * called while driver attach to the HBA and before the | |
10378 | * interrupts are enabled. So there is no need for locking. | |
10379 | * | |
10380 | * This function always returns 0. SLI3 only. | |
10381 | **/ | |
10382 | int | |
dea3101e | 10383 | lpfc_sli_setup(struct lpfc_hba *phba) |
10384 | { | |
ed957684 | 10385 | int i, totiocbsize = 0; |
dea3101e | 10386 | struct lpfc_sli *psli = &phba->sli; |
10387 | struct lpfc_sli_ring *pring; | |
10388 | ||
2a76a283 | 10389 | psli->num_rings = MAX_SLI3_CONFIGURED_RINGS; |
dea3101e | 10390 | psli->sli_flag = 0; |
dea3101e | 10391 | |
604a3e30 JB |
10392 | psli->iocbq_lookup = NULL; |
10393 | psli->iocbq_lookup_len = 0; | |
10394 | psli->last_iotag = 0; | |
10395 | ||
dea3101e | 10396 | for (i = 0; i < psli->num_rings; i++) { |
895427bd | 10397 | pring = &psli->sli3_ring[i]; |
dea3101e | 10398 | switch (i) { |
10399 | case LPFC_FCP_RING: /* ring 0 - FCP */ | |
10400 | /* numCiocb and numRiocb are used in config_port */ | |
7e56aa25 JS |
10401 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R0_ENTRIES; |
10402 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R0_ENTRIES; | |
10403 | pring->sli.sli3.numCiocb += | |
10404 | SLI2_IOCB_CMD_R1XTRA_ENTRIES; | |
10405 | pring->sli.sli3.numRiocb += | |
10406 | SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
10407 | pring->sli.sli3.numCiocb += | |
10408 | SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
10409 | pring->sli.sli3.numRiocb += | |
10410 | SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
10411 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
10412 | SLI3_IOCB_CMD_SIZE : |
10413 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 10414 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
10415 | SLI3_IOCB_RSP_SIZE : |
10416 | SLI2_IOCB_RSP_SIZE; | |
dea3101e | 10417 | pring->iotag_ctr = 0; |
10418 | pring->iotag_max = | |
92d7f7b0 | 10419 | (phba->cfg_hba_queue_depth * 2); |
dea3101e | 10420 | pring->fast_iotag = pring->iotag_max; |
10421 | pring->num_mask = 0; | |
10422 | break; | |
a4bc3379 | 10423 | case LPFC_EXTRA_RING: /* ring 1 - EXTRA */ |
dea3101e | 10424 | /* numCiocb and numRiocb are used in config_port */ |
7e56aa25 JS |
10425 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; |
10426 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; | |
10427 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
10428 | SLI3_IOCB_CMD_SIZE : |
10429 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 10430 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
10431 | SLI3_IOCB_RSP_SIZE : |
10432 | SLI2_IOCB_RSP_SIZE; | |
2e0fef85 | 10433 | pring->iotag_max = phba->cfg_hba_queue_depth; |
dea3101e | 10434 | pring->num_mask = 0; |
10435 | break; | |
10436 | case LPFC_ELS_RING: /* ring 2 - ELS / CT */ | |
10437 | /* numCiocb and numRiocb are used in config_port */ | |
7e56aa25 JS |
10438 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R2_ENTRIES; |
10439 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R2_ENTRIES; | |
10440 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
10441 | SLI3_IOCB_CMD_SIZE : |
10442 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 10443 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
10444 | SLI3_IOCB_RSP_SIZE : |
10445 | SLI2_IOCB_RSP_SIZE; | |
dea3101e | 10446 | pring->fast_iotag = 0; |
10447 | pring->iotag_ctr = 0; | |
10448 | pring->iotag_max = 4096; | |
57127f15 JS |
10449 | pring->lpfc_sli_rcv_async_status = |
10450 | lpfc_sli_async_event_handler; | |
6669f9bb | 10451 | pring->num_mask = LPFC_MAX_RING_MASK; |
dea3101e | 10452 | pring->prt[0].profile = 0; /* Mask 0 */ |
6a9c52cf JS |
10453 | pring->prt[0].rctl = FC_RCTL_ELS_REQ; |
10454 | pring->prt[0].type = FC_TYPE_ELS; | |
dea3101e | 10455 | pring->prt[0].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 10456 | lpfc_els_unsol_event; |
dea3101e | 10457 | pring->prt[1].profile = 0; /* Mask 1 */ |
6a9c52cf JS |
10458 | pring->prt[1].rctl = FC_RCTL_ELS_REP; |
10459 | pring->prt[1].type = FC_TYPE_ELS; | |
dea3101e | 10460 | pring->prt[1].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 10461 | lpfc_els_unsol_event; |
dea3101e | 10462 | pring->prt[2].profile = 0; /* Mask 2 */ |
10463 | /* NameServer Inquiry */ | |
6a9c52cf | 10464 | pring->prt[2].rctl = FC_RCTL_DD_UNSOL_CTL; |
dea3101e | 10465 | /* NameServer */ |
6a9c52cf | 10466 | pring->prt[2].type = FC_TYPE_CT; |
dea3101e | 10467 | pring->prt[2].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 10468 | lpfc_ct_unsol_event; |
dea3101e | 10469 | pring->prt[3].profile = 0; /* Mask 3 */ |
10470 | /* NameServer response */ | |
6a9c52cf | 10471 | pring->prt[3].rctl = FC_RCTL_DD_SOL_CTL; |
dea3101e | 10472 | /* NameServer */ |
6a9c52cf | 10473 | pring->prt[3].type = FC_TYPE_CT; |
dea3101e | 10474 | pring->prt[3].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 10475 | lpfc_ct_unsol_event; |
dea3101e | 10476 | break; |
10477 | } | |
7e56aa25 JS |
10478 | totiocbsize += (pring->sli.sli3.numCiocb * |
10479 | pring->sli.sli3.sizeCiocb) + | |
10480 | (pring->sli.sli3.numRiocb * pring->sli.sli3.sizeRiocb); | |
dea3101e | 10481 | } |
ed957684 | 10482 | if (totiocbsize > MAX_SLIM_IOCB_SIZE) { |
dea3101e | 10483 | /* Too many cmd / rsp ring entries in SLI2 SLIM */ |
e8b62011 JS |
10484 | printk(KERN_ERR "%d:0462 Too many cmd / rsp ring entries in " |
10485 | "SLI2 SLIM Data: x%x x%lx\n", | |
10486 | phba->brd_no, totiocbsize, | |
10487 | (unsigned long) MAX_SLIM_IOCB_SIZE); | |
dea3101e | 10488 | } |
cf5bf97e JW |
10489 | if (phba->cfg_multi_ring_support == 2) |
10490 | lpfc_extra_ring_setup(phba); | |
dea3101e | 10491 | |
10492 | return 0; | |
10493 | } | |
10494 | ||
e59058c4 | 10495 | /** |
895427bd | 10496 | * lpfc_sli4_queue_init - Queue initialization function |
e59058c4 JS |
10497 | * @phba: Pointer to HBA context object. |
10498 | * | |
895427bd | 10499 | * lpfc_sli4_queue_init sets up mailbox queues and iocb queues for each |
e59058c4 JS |
10500 | * ring. This function also initializes ring indices of each ring. |
10501 | * This function is called during the initialization of the SLI | |
10502 | * interface of an HBA. | |
10503 | * This function is called with no lock held and always returns | |
10504 | * 1. | |
10505 | **/ | |
895427bd JS |
10506 | void |
10507 | lpfc_sli4_queue_init(struct lpfc_hba *phba) | |
dea3101e | 10508 | { |
10509 | struct lpfc_sli *psli; | |
10510 | struct lpfc_sli_ring *pring; | |
604a3e30 | 10511 | int i; |
dea3101e | 10512 | |
10513 | psli = &phba->sli; | |
2e0fef85 | 10514 | spin_lock_irq(&phba->hbalock); |
dea3101e | 10515 | INIT_LIST_HEAD(&psli->mboxq); |
92d7f7b0 | 10516 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
dea3101e | 10517 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
cdb42bec JS |
10518 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
10519 | pring = phba->sli4_hba.hdwq[i].fcp_wq->pring; | |
895427bd JS |
10520 | pring->flag = 0; |
10521 | pring->ringno = LPFC_FCP_RING; | |
c490850a | 10522 | pring->txcmplq_cnt = 0; |
895427bd JS |
10523 | INIT_LIST_HEAD(&pring->txq); |
10524 | INIT_LIST_HEAD(&pring->txcmplq); | |
10525 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
10526 | spin_lock_init(&pring->ring_lock); | |
10527 | } | |
10528 | pring = phba->sli4_hba.els_wq->pring; | |
10529 | pring->flag = 0; | |
10530 | pring->ringno = LPFC_ELS_RING; | |
c490850a | 10531 | pring->txcmplq_cnt = 0; |
895427bd JS |
10532 | INIT_LIST_HEAD(&pring->txq); |
10533 | INIT_LIST_HEAD(&pring->txcmplq); | |
10534 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
10535 | spin_lock_init(&pring->ring_lock); | |
dea3101e | 10536 | |
cdb42bec JS |
10537 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
10538 | for (i = 0; i < phba->cfg_hdw_queue; i++) { | |
10539 | pring = phba->sli4_hba.hdwq[i].nvme_wq->pring; | |
c490850a | 10540 | pring->flag = 0; |
cdb42bec | 10541 | pring->ringno = LPFC_FCP_RING; |
c490850a | 10542 | pring->txcmplq_cnt = 0; |
cdb42bec JS |
10543 | INIT_LIST_HEAD(&pring->txq); |
10544 | INIT_LIST_HEAD(&pring->txcmplq); | |
10545 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
10546 | spin_lock_init(&pring->ring_lock); | |
10547 | } | |
895427bd JS |
10548 | pring = phba->sli4_hba.nvmels_wq->pring; |
10549 | pring->flag = 0; | |
10550 | pring->ringno = LPFC_ELS_RING; | |
c490850a | 10551 | pring->txcmplq_cnt = 0; |
895427bd JS |
10552 | INIT_LIST_HEAD(&pring->txq); |
10553 | INIT_LIST_HEAD(&pring->txcmplq); | |
10554 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
10555 | spin_lock_init(&pring->ring_lock); | |
10556 | } | |
10557 | ||
895427bd JS |
10558 | spin_unlock_irq(&phba->hbalock); |
10559 | } | |
10560 | ||
10561 | /** | |
10562 | * lpfc_sli_queue_init - Queue initialization function | |
10563 | * @phba: Pointer to HBA context object. | |
10564 | * | |
10565 | * lpfc_sli_queue_init sets up mailbox queues and iocb queues for each | |
10566 | * ring. This function also initializes ring indices of each ring. | |
10567 | * This function is called during the initialization of the SLI | |
10568 | * interface of an HBA. | |
10569 | * This function is called with no lock held and always returns | |
10570 | * 1. | |
10571 | **/ | |
10572 | void | |
10573 | lpfc_sli_queue_init(struct lpfc_hba *phba) | |
dea3101e | 10574 | { |
10575 | struct lpfc_sli *psli; | |
10576 | struct lpfc_sli_ring *pring; | |
604a3e30 | 10577 | int i; |
dea3101e | 10578 | |
10579 | psli = &phba->sli; | |
2e0fef85 | 10580 | spin_lock_irq(&phba->hbalock); |
dea3101e | 10581 | INIT_LIST_HEAD(&psli->mboxq); |
92d7f7b0 | 10582 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
dea3101e | 10583 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
10584 | for (i = 0; i < psli->num_rings; i++) { | |
895427bd | 10585 | pring = &psli->sli3_ring[i]; |
dea3101e | 10586 | pring->ringno = i; |
7e56aa25 JS |
10587 | pring->sli.sli3.next_cmdidx = 0; |
10588 | pring->sli.sli3.local_getidx = 0; | |
10589 | pring->sli.sli3.cmdidx = 0; | |
dea3101e | 10590 | INIT_LIST_HEAD(&pring->iocb_continueq); |
9c2face6 | 10591 | INIT_LIST_HEAD(&pring->iocb_continue_saveq); |
dea3101e | 10592 | INIT_LIST_HEAD(&pring->postbufq); |
895427bd JS |
10593 | pring->flag = 0; |
10594 | INIT_LIST_HEAD(&pring->txq); | |
10595 | INIT_LIST_HEAD(&pring->txcmplq); | |
7e56aa25 | 10596 | spin_lock_init(&pring->ring_lock); |
dea3101e | 10597 | } |
2e0fef85 | 10598 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 10599 | } |
10600 | ||
04c68496 JS |
10601 | /** |
10602 | * lpfc_sli_mbox_sys_flush - Flush mailbox command sub-system | |
10603 | * @phba: Pointer to HBA context object. | |
10604 | * | |
10605 | * This routine flushes the mailbox command subsystem. It will unconditionally | |
10606 | * flush all the mailbox commands in the three possible stages in the mailbox | |
10607 | * command sub-system: pending mailbox command queue; the outstanding mailbox | |
10608 | * command; and completed mailbox command queue. It is caller's responsibility | |
10609 | * to make sure that the driver is in the proper state to flush the mailbox | |
10610 | * command sub-system. Namely, the posting of mailbox commands into the | |
10611 | * pending mailbox command queue from the various clients must be stopped; | |
10612 | * either the HBA is in a state that it will never works on the outstanding | |
10613 | * mailbox command (such as in EEH or ERATT conditions) or the outstanding | |
10614 | * mailbox command has been completed. | |
10615 | **/ | |
10616 | static void | |
10617 | lpfc_sli_mbox_sys_flush(struct lpfc_hba *phba) | |
10618 | { | |
10619 | LIST_HEAD(completions); | |
10620 | struct lpfc_sli *psli = &phba->sli; | |
10621 | LPFC_MBOXQ_t *pmb; | |
10622 | unsigned long iflag; | |
10623 | ||
523128e5 JS |
10624 | /* Disable softirqs, including timers from obtaining phba->hbalock */ |
10625 | local_bh_disable(); | |
10626 | ||
04c68496 JS |
10627 | /* Flush all the mailbox commands in the mbox system */ |
10628 | spin_lock_irqsave(&phba->hbalock, iflag); | |
523128e5 | 10629 | |
04c68496 JS |
10630 | /* The pending mailbox command queue */ |
10631 | list_splice_init(&phba->sli.mboxq, &completions); | |
10632 | /* The outstanding active mailbox command */ | |
10633 | if (psli->mbox_active) { | |
10634 | list_add_tail(&psli->mbox_active->list, &completions); | |
10635 | psli->mbox_active = NULL; | |
10636 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
10637 | } | |
10638 | /* The completed mailbox command queue */ | |
10639 | list_splice_init(&phba->sli.mboxq_cmpl, &completions); | |
10640 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
10641 | ||
523128e5 JS |
10642 | /* Enable softirqs again, done with phba->hbalock */ |
10643 | local_bh_enable(); | |
10644 | ||
04c68496 JS |
10645 | /* Return all flushed mailbox commands with MBX_NOT_FINISHED status */ |
10646 | while (!list_empty(&completions)) { | |
10647 | list_remove_head(&completions, pmb, LPFC_MBOXQ_t, list); | |
10648 | pmb->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
10649 | if (pmb->mbox_cmpl) | |
10650 | pmb->mbox_cmpl(phba, pmb); | |
10651 | } | |
10652 | } | |
10653 | ||
e59058c4 | 10654 | /** |
3621a710 | 10655 | * lpfc_sli_host_down - Vport cleanup function |
e59058c4 JS |
10656 | * @vport: Pointer to virtual port object. |
10657 | * | |
10658 | * lpfc_sli_host_down is called to clean up the resources | |
10659 | * associated with a vport before destroying virtual | |
10660 | * port data structures. | |
10661 | * This function does following operations: | |
10662 | * - Free discovery resources associated with this virtual | |
10663 | * port. | |
10664 | * - Free iocbs associated with this virtual port in | |
10665 | * the txq. | |
10666 | * - Send abort for all iocb commands associated with this | |
10667 | * vport in txcmplq. | |
10668 | * | |
10669 | * This function is called with no lock held and always returns 1. | |
10670 | **/ | |
92d7f7b0 JS |
10671 | int |
10672 | lpfc_sli_host_down(struct lpfc_vport *vport) | |
10673 | { | |
858c9f6c | 10674 | LIST_HEAD(completions); |
92d7f7b0 JS |
10675 | struct lpfc_hba *phba = vport->phba; |
10676 | struct lpfc_sli *psli = &phba->sli; | |
895427bd | 10677 | struct lpfc_queue *qp = NULL; |
92d7f7b0 JS |
10678 | struct lpfc_sli_ring *pring; |
10679 | struct lpfc_iocbq *iocb, *next_iocb; | |
92d7f7b0 JS |
10680 | int i; |
10681 | unsigned long flags = 0; | |
10682 | uint16_t prev_pring_flag; | |
10683 | ||
10684 | lpfc_cleanup_discovery_resources(vport); | |
10685 | ||
10686 | spin_lock_irqsave(&phba->hbalock, flags); | |
92d7f7b0 | 10687 | |
895427bd JS |
10688 | /* |
10689 | * Error everything on the txq since these iocbs | |
10690 | * have not been given to the FW yet. | |
10691 | * Also issue ABTS for everything on the txcmplq | |
10692 | */ | |
10693 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
10694 | for (i = 0; i < psli->num_rings; i++) { | |
10695 | pring = &psli->sli3_ring[i]; | |
10696 | prev_pring_flag = pring->flag; | |
10697 | /* Only slow rings */ | |
10698 | if (pring->ringno == LPFC_ELS_RING) { | |
10699 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10700 | /* Set the lpfc data pending flag */ | |
10701 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10702 | } | |
10703 | list_for_each_entry_safe(iocb, next_iocb, | |
10704 | &pring->txq, list) { | |
10705 | if (iocb->vport != vport) | |
10706 | continue; | |
10707 | list_move_tail(&iocb->list, &completions); | |
10708 | } | |
10709 | list_for_each_entry_safe(iocb, next_iocb, | |
10710 | &pring->txcmplq, list) { | |
10711 | if (iocb->vport != vport) | |
10712 | continue; | |
10713 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
10714 | } | |
10715 | pring->flag = prev_pring_flag; | |
10716 | } | |
10717 | } else { | |
10718 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
10719 | pring = qp->pring; | |
10720 | if (!pring) | |
92d7f7b0 | 10721 | continue; |
895427bd JS |
10722 | if (pring == phba->sli4_hba.els_wq->pring) { |
10723 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10724 | /* Set the lpfc data pending flag */ | |
10725 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10726 | } | |
10727 | prev_pring_flag = pring->flag; | |
10728 | spin_lock_irq(&pring->ring_lock); | |
10729 | list_for_each_entry_safe(iocb, next_iocb, | |
10730 | &pring->txq, list) { | |
10731 | if (iocb->vport != vport) | |
10732 | continue; | |
10733 | list_move_tail(&iocb->list, &completions); | |
10734 | } | |
10735 | spin_unlock_irq(&pring->ring_lock); | |
10736 | list_for_each_entry_safe(iocb, next_iocb, | |
10737 | &pring->txcmplq, list) { | |
10738 | if (iocb->vport != vport) | |
10739 | continue; | |
10740 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
10741 | } | |
10742 | pring->flag = prev_pring_flag; | |
92d7f7b0 | 10743 | } |
92d7f7b0 | 10744 | } |
92d7f7b0 JS |
10745 | spin_unlock_irqrestore(&phba->hbalock, flags); |
10746 | ||
a257bf90 JS |
10747 | /* Cancel all the IOCBs from the completions list */ |
10748 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
10749 | IOERR_SLI_DOWN); | |
92d7f7b0 JS |
10750 | return 1; |
10751 | } | |
10752 | ||
e59058c4 | 10753 | /** |
3621a710 | 10754 | * lpfc_sli_hba_down - Resource cleanup function for the HBA |
e59058c4 JS |
10755 | * @phba: Pointer to HBA context object. |
10756 | * | |
10757 | * This function cleans up all iocb, buffers, mailbox commands | |
10758 | * while shutting down the HBA. This function is called with no | |
10759 | * lock held and always returns 1. | |
10760 | * This function does the following to cleanup driver resources: | |
10761 | * - Free discovery resources for each virtual port | |
10762 | * - Cleanup any pending fabric iocbs | |
10763 | * - Iterate through the iocb txq and free each entry | |
10764 | * in the list. | |
10765 | * - Free up any buffer posted to the HBA | |
10766 | * - Free mailbox commands in the mailbox queue. | |
10767 | **/ | |
dea3101e | 10768 | int |
2e0fef85 | 10769 | lpfc_sli_hba_down(struct lpfc_hba *phba) |
dea3101e | 10770 | { |
2534ba75 | 10771 | LIST_HEAD(completions); |
2e0fef85 | 10772 | struct lpfc_sli *psli = &phba->sli; |
895427bd | 10773 | struct lpfc_queue *qp = NULL; |
dea3101e | 10774 | struct lpfc_sli_ring *pring; |
0ff10d46 | 10775 | struct lpfc_dmabuf *buf_ptr; |
dea3101e | 10776 | unsigned long flags = 0; |
04c68496 JS |
10777 | int i; |
10778 | ||
10779 | /* Shutdown the mailbox command sub-system */ | |
618a5230 | 10780 | lpfc_sli_mbox_sys_shutdown(phba, LPFC_MBX_WAIT); |
dea3101e | 10781 | |
dea3101e | 10782 | lpfc_hba_down_prep(phba); |
10783 | ||
523128e5 JS |
10784 | /* Disable softirqs, including timers from obtaining phba->hbalock */ |
10785 | local_bh_disable(); | |
10786 | ||
92d7f7b0 JS |
10787 | lpfc_fabric_abort_hba(phba); |
10788 | ||
2e0fef85 | 10789 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e | 10790 | |
895427bd JS |
10791 | /* |
10792 | * Error everything on the txq since these iocbs | |
10793 | * have not been given to the FW yet. | |
10794 | */ | |
10795 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
10796 | for (i = 0; i < psli->num_rings; i++) { | |
10797 | pring = &psli->sli3_ring[i]; | |
10798 | /* Only slow rings */ | |
10799 | if (pring->ringno == LPFC_ELS_RING) { | |
10800 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10801 | /* Set the lpfc data pending flag */ | |
10802 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10803 | } | |
10804 | list_splice_init(&pring->txq, &completions); | |
10805 | } | |
10806 | } else { | |
10807 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
10808 | pring = qp->pring; | |
10809 | if (!pring) | |
10810 | continue; | |
10811 | spin_lock_irq(&pring->ring_lock); | |
10812 | list_splice_init(&pring->txq, &completions); | |
10813 | spin_unlock_irq(&pring->ring_lock); | |
10814 | if (pring == phba->sli4_hba.els_wq->pring) { | |
10815 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10816 | /* Set the lpfc data pending flag */ | |
10817 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10818 | } | |
10819 | } | |
2534ba75 | 10820 | } |
2e0fef85 | 10821 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 10822 | |
a257bf90 JS |
10823 | /* Cancel all the IOCBs from the completions list */ |
10824 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
10825 | IOERR_SLI_DOWN); | |
dea3101e | 10826 | |
0ff10d46 JS |
10827 | spin_lock_irqsave(&phba->hbalock, flags); |
10828 | list_splice_init(&phba->elsbuf, &completions); | |
10829 | phba->elsbuf_cnt = 0; | |
10830 | phba->elsbuf_prev_cnt = 0; | |
10831 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
10832 | ||
10833 | while (!list_empty(&completions)) { | |
10834 | list_remove_head(&completions, buf_ptr, | |
10835 | struct lpfc_dmabuf, list); | |
10836 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
10837 | kfree(buf_ptr); | |
10838 | } | |
10839 | ||
523128e5 JS |
10840 | /* Enable softirqs again, done with phba->hbalock */ |
10841 | local_bh_enable(); | |
10842 | ||
dea3101e | 10843 | /* Return any active mbox cmds */ |
10844 | del_timer_sync(&psli->mbox_tmo); | |
2e0fef85 | 10845 | |
da0436e9 | 10846 | spin_lock_irqsave(&phba->pport->work_port_lock, flags); |
2e0fef85 | 10847 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; |
da0436e9 | 10848 | spin_unlock_irqrestore(&phba->pport->work_port_lock, flags); |
2e0fef85 | 10849 | |
da0436e9 JS |
10850 | return 1; |
10851 | } | |
10852 | ||
e59058c4 | 10853 | /** |
3621a710 | 10854 | * lpfc_sli_pcimem_bcopy - SLI memory copy function |
e59058c4 JS |
10855 | * @srcp: Source memory pointer. |
10856 | * @destp: Destination memory pointer. | |
10857 | * @cnt: Number of words required to be copied. | |
10858 | * | |
10859 | * This function is used for copying data between driver memory | |
10860 | * and the SLI memory. This function also changes the endianness | |
10861 | * of each word if native endianness is different from SLI | |
10862 | * endianness. This function can be called with or without | |
10863 | * lock. | |
10864 | **/ | |
dea3101e | 10865 | void |
10866 | lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
10867 | { | |
10868 | uint32_t *src = srcp; | |
10869 | uint32_t *dest = destp; | |
10870 | uint32_t ldata; | |
10871 | int i; | |
10872 | ||
10873 | for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) { | |
10874 | ldata = *src; | |
10875 | ldata = le32_to_cpu(ldata); | |
10876 | *dest = ldata; | |
10877 | src++; | |
10878 | dest++; | |
10879 | } | |
10880 | } | |
10881 | ||
e59058c4 | 10882 | |
a0c87cbd JS |
10883 | /** |
10884 | * lpfc_sli_bemem_bcopy - SLI memory copy function | |
10885 | * @srcp: Source memory pointer. | |
10886 | * @destp: Destination memory pointer. | |
10887 | * @cnt: Number of words required to be copied. | |
10888 | * | |
10889 | * This function is used for copying data between a data structure | |
10890 | * with big endian representation to local endianness. | |
10891 | * This function can be called with or without lock. | |
10892 | **/ | |
10893 | void | |
10894 | lpfc_sli_bemem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
10895 | { | |
10896 | uint32_t *src = srcp; | |
10897 | uint32_t *dest = destp; | |
10898 | uint32_t ldata; | |
10899 | int i; | |
10900 | ||
10901 | for (i = 0; i < (int)cnt; i += sizeof(uint32_t)) { | |
10902 | ldata = *src; | |
10903 | ldata = be32_to_cpu(ldata); | |
10904 | *dest = ldata; | |
10905 | src++; | |
10906 | dest++; | |
10907 | } | |
10908 | } | |
10909 | ||
e59058c4 | 10910 | /** |
3621a710 | 10911 | * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq |
e59058c4 JS |
10912 | * @phba: Pointer to HBA context object. |
10913 | * @pring: Pointer to driver SLI ring object. | |
10914 | * @mp: Pointer to driver buffer object. | |
10915 | * | |
10916 | * This function is called with no lock held. | |
10917 | * It always return zero after adding the buffer to the postbufq | |
10918 | * buffer list. | |
10919 | **/ | |
dea3101e | 10920 | int |
2e0fef85 JS |
10921 | lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
10922 | struct lpfc_dmabuf *mp) | |
dea3101e | 10923 | { |
10924 | /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up | |
10925 | later */ | |
2e0fef85 | 10926 | spin_lock_irq(&phba->hbalock); |
dea3101e | 10927 | list_add_tail(&mp->list, &pring->postbufq); |
dea3101e | 10928 | pring->postbufq_cnt++; |
2e0fef85 | 10929 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 10930 | return 0; |
10931 | } | |
10932 | ||
e59058c4 | 10933 | /** |
3621a710 | 10934 | * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer |
e59058c4 JS |
10935 | * @phba: Pointer to HBA context object. |
10936 | * | |
10937 | * When HBQ is enabled, buffers are searched based on tags. This function | |
10938 | * allocates a tag for buffer posted using CMD_QUE_XRI64_CX iocb. The | |
10939 | * tag is bit wise or-ed with QUE_BUFTAG_BIT to make sure that the tag | |
10940 | * does not conflict with tags of buffer posted for unsolicited events. | |
10941 | * The function returns the allocated tag. The function is called with | |
10942 | * no locks held. | |
10943 | **/ | |
76bb24ef JS |
10944 | uint32_t |
10945 | lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) | |
10946 | { | |
10947 | spin_lock_irq(&phba->hbalock); | |
10948 | phba->buffer_tag_count++; | |
10949 | /* | |
10950 | * Always set the QUE_BUFTAG_BIT to distiguish between | |
10951 | * a tag assigned by HBQ. | |
10952 | */ | |
10953 | phba->buffer_tag_count |= QUE_BUFTAG_BIT; | |
10954 | spin_unlock_irq(&phba->hbalock); | |
10955 | return phba->buffer_tag_count; | |
10956 | } | |
10957 | ||
e59058c4 | 10958 | /** |
3621a710 | 10959 | * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag |
e59058c4 JS |
10960 | * @phba: Pointer to HBA context object. |
10961 | * @pring: Pointer to driver SLI ring object. | |
10962 | * @tag: Buffer tag. | |
10963 | * | |
10964 | * Buffers posted using CMD_QUE_XRI64_CX iocb are in pring->postbufq | |
10965 | * list. After HBA DMA data to these buffers, CMD_IOCB_RET_XRI64_CX | |
10966 | * iocb is posted to the response ring with the tag of the buffer. | |
10967 | * This function searches the pring->postbufq list using the tag | |
10968 | * to find buffer associated with CMD_IOCB_RET_XRI64_CX | |
10969 | * iocb. If the buffer is found then lpfc_dmabuf object of the | |
10970 | * buffer is returned to the caller else NULL is returned. | |
10971 | * This function is called with no lock held. | |
10972 | **/ | |
76bb24ef JS |
10973 | struct lpfc_dmabuf * |
10974 | lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
10975 | uint32_t tag) | |
10976 | { | |
10977 | struct lpfc_dmabuf *mp, *next_mp; | |
10978 | struct list_head *slp = &pring->postbufq; | |
10979 | ||
25985edc | 10980 | /* Search postbufq, from the beginning, looking for a match on tag */ |
76bb24ef JS |
10981 | spin_lock_irq(&phba->hbalock); |
10982 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
10983 | if (mp->buffer_tag == tag) { | |
10984 | list_del_init(&mp->list); | |
10985 | pring->postbufq_cnt--; | |
10986 | spin_unlock_irq(&phba->hbalock); | |
10987 | return mp; | |
10988 | } | |
10989 | } | |
10990 | ||
10991 | spin_unlock_irq(&phba->hbalock); | |
10992 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 10993 | "0402 Cannot find virtual addr for buffer tag on " |
76bb24ef JS |
10994 | "ring %d Data x%lx x%p x%p x%x\n", |
10995 | pring->ringno, (unsigned long) tag, | |
10996 | slp->next, slp->prev, pring->postbufq_cnt); | |
10997 | ||
10998 | return NULL; | |
10999 | } | |
dea3101e | 11000 | |
e59058c4 | 11001 | /** |
3621a710 | 11002 | * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events |
e59058c4 JS |
11003 | * @phba: Pointer to HBA context object. |
11004 | * @pring: Pointer to driver SLI ring object. | |
11005 | * @phys: DMA address of the buffer. | |
11006 | * | |
11007 | * This function searches the buffer list using the dma_address | |
11008 | * of unsolicited event to find the driver's lpfc_dmabuf object | |
11009 | * corresponding to the dma_address. The function returns the | |
11010 | * lpfc_dmabuf object if a buffer is found else it returns NULL. | |
11011 | * This function is called by the ct and els unsolicited event | |
11012 | * handlers to get the buffer associated with the unsolicited | |
11013 | * event. | |
11014 | * | |
11015 | * This function is called with no lock held. | |
11016 | **/ | |
dea3101e | 11017 | struct lpfc_dmabuf * |
11018 | lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
11019 | dma_addr_t phys) | |
11020 | { | |
11021 | struct lpfc_dmabuf *mp, *next_mp; | |
11022 | struct list_head *slp = &pring->postbufq; | |
11023 | ||
25985edc | 11024 | /* Search postbufq, from the beginning, looking for a match on phys */ |
2e0fef85 | 11025 | spin_lock_irq(&phba->hbalock); |
dea3101e | 11026 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { |
11027 | if (mp->phys == phys) { | |
11028 | list_del_init(&mp->list); | |
11029 | pring->postbufq_cnt--; | |
2e0fef85 | 11030 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 11031 | return mp; |
11032 | } | |
11033 | } | |
11034 | ||
2e0fef85 | 11035 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 11036 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 11037 | "0410 Cannot find virtual addr for mapped buf on " |
dea3101e | 11038 | "ring %d Data x%llx x%p x%p x%x\n", |
e8b62011 | 11039 | pring->ringno, (unsigned long long)phys, |
dea3101e | 11040 | slp->next, slp->prev, pring->postbufq_cnt); |
11041 | return NULL; | |
11042 | } | |
11043 | ||
e59058c4 | 11044 | /** |
3621a710 | 11045 | * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs |
e59058c4 JS |
11046 | * @phba: Pointer to HBA context object. |
11047 | * @cmdiocb: Pointer to driver command iocb object. | |
11048 | * @rspiocb: Pointer to driver response iocb object. | |
11049 | * | |
11050 | * This function is the completion handler for the abort iocbs for | |
11051 | * ELS commands. This function is called from the ELS ring event | |
11052 | * handler with no lock held. This function frees memory resources | |
11053 | * associated with the abort iocb. | |
11054 | **/ | |
dea3101e | 11055 | static void |
2e0fef85 JS |
11056 | lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
11057 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 11058 | { |
2e0fef85 | 11059 | IOCB_t *irsp = &rspiocb->iocb; |
2680eeaa | 11060 | uint16_t abort_iotag, abort_context; |
ff78d8f9 | 11061 | struct lpfc_iocbq *abort_iocb = NULL; |
2680eeaa JS |
11062 | |
11063 | if (irsp->ulpStatus) { | |
ff78d8f9 JS |
11064 | |
11065 | /* | |
11066 | * Assume that the port already completed and returned, or | |
11067 | * will return the iocb. Just Log the message. | |
11068 | */ | |
2680eeaa JS |
11069 | abort_context = cmdiocb->iocb.un.acxri.abortContextTag; |
11070 | abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag; | |
11071 | ||
2e0fef85 | 11072 | spin_lock_irq(&phba->hbalock); |
45ed1190 | 11073 | if (phba->sli_rev < LPFC_SLI_REV4) { |
faa832e9 JS |
11074 | if (irsp->ulpCommand == CMD_ABORT_XRI_CX && |
11075 | irsp->ulpStatus == IOSTAT_LOCAL_REJECT && | |
11076 | irsp->un.ulpWord[4] == IOERR_ABORT_REQUESTED) { | |
11077 | spin_unlock_irq(&phba->hbalock); | |
11078 | goto release_iocb; | |
11079 | } | |
45ed1190 JS |
11080 | if (abort_iotag != 0 && |
11081 | abort_iotag <= phba->sli.last_iotag) | |
11082 | abort_iocb = | |
11083 | phba->sli.iocbq_lookup[abort_iotag]; | |
11084 | } else | |
11085 | /* For sli4 the abort_tag is the XRI, | |
11086 | * so the abort routine puts the iotag of the iocb | |
11087 | * being aborted in the context field of the abort | |
11088 | * IOCB. | |
11089 | */ | |
11090 | abort_iocb = phba->sli.iocbq_lookup[abort_context]; | |
2680eeaa | 11091 | |
2a9bf3d0 JS |
11092 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS | LOG_SLI, |
11093 | "0327 Cannot abort els iocb %p " | |
11094 | "with tag %x context %x, abort status %x, " | |
11095 | "abort code %x\n", | |
11096 | abort_iocb, abort_iotag, abort_context, | |
11097 | irsp->ulpStatus, irsp->un.ulpWord[4]); | |
341af102 | 11098 | |
ff78d8f9 | 11099 | spin_unlock_irq(&phba->hbalock); |
2680eeaa | 11100 | } |
faa832e9 | 11101 | release_iocb: |
604a3e30 | 11102 | lpfc_sli_release_iocbq(phba, cmdiocb); |
dea3101e | 11103 | return; |
11104 | } | |
11105 | ||
e59058c4 | 11106 | /** |
3621a710 | 11107 | * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command |
e59058c4 JS |
11108 | * @phba: Pointer to HBA context object. |
11109 | * @cmdiocb: Pointer to driver command iocb object. | |
11110 | * @rspiocb: Pointer to driver response iocb object. | |
11111 | * | |
11112 | * The function is called from SLI ring event handler with no | |
11113 | * lock held. This function is the completion handler for ELS commands | |
11114 | * which are aborted. The function frees memory resources used for | |
11115 | * the aborted ELS commands. | |
11116 | **/ | |
92d7f7b0 JS |
11117 | static void |
11118 | lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
11119 | struct lpfc_iocbq *rspiocb) | |
11120 | { | |
11121 | IOCB_t *irsp = &rspiocb->iocb; | |
11122 | ||
11123 | /* ELS cmd tag <ulpIoTag> completes */ | |
11124 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
d7c255b2 | 11125 | "0139 Ignoring ELS cmd tag x%x completion Data: " |
92d7f7b0 | 11126 | "x%x x%x x%x\n", |
e8b62011 | 11127 | irsp->ulpIoTag, irsp->ulpStatus, |
92d7f7b0 | 11128 | irsp->un.ulpWord[4], irsp->ulpTimeout); |
858c9f6c JS |
11129 | if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) |
11130 | lpfc_ct_free_iocb(phba, cmdiocb); | |
11131 | else | |
11132 | lpfc_els_free_iocb(phba, cmdiocb); | |
92d7f7b0 JS |
11133 | return; |
11134 | } | |
11135 | ||
e59058c4 | 11136 | /** |
5af5eee7 | 11137 | * lpfc_sli_abort_iotag_issue - Issue abort for a command iocb |
e59058c4 JS |
11138 | * @phba: Pointer to HBA context object. |
11139 | * @pring: Pointer to driver SLI ring object. | |
11140 | * @cmdiocb: Pointer to driver command iocb object. | |
11141 | * | |
5af5eee7 JS |
11142 | * This function issues an abort iocb for the provided command iocb down to |
11143 | * the port. Other than the case the outstanding command iocb is an abort | |
11144 | * request, this function issues abort out unconditionally. This function is | |
11145 | * called with hbalock held. The function returns 0 when it fails due to | |
11146 | * memory allocation failure or when the command iocb is an abort request. | |
e59058c4 | 11147 | **/ |
5af5eee7 JS |
11148 | static int |
11149 | lpfc_sli_abort_iotag_issue(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 11150 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 11151 | { |
2e0fef85 | 11152 | struct lpfc_vport *vport = cmdiocb->vport; |
0bd4ca25 | 11153 | struct lpfc_iocbq *abtsiocbp; |
dea3101e | 11154 | IOCB_t *icmd = NULL; |
11155 | IOCB_t *iabt = NULL; | |
5af5eee7 | 11156 | int retval; |
7e56aa25 | 11157 | unsigned long iflags; |
faa832e9 | 11158 | struct lpfc_nodelist *ndlp; |
07951076 | 11159 | |
1c2ba475 JT |
11160 | lockdep_assert_held(&phba->hbalock); |
11161 | ||
92d7f7b0 JS |
11162 | /* |
11163 | * There are certain command types we don't want to abort. And we | |
11164 | * don't want to abort commands that are already in the process of | |
11165 | * being aborted. | |
07951076 JS |
11166 | */ |
11167 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 11168 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || |
92d7f7b0 JS |
11169 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || |
11170 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
07951076 JS |
11171 | return 0; |
11172 | ||
dea3101e | 11173 | /* issue ABTS for this IOCB based on iotag */ |
92d7f7b0 | 11174 | abtsiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e | 11175 | if (abtsiocbp == NULL) |
11176 | return 0; | |
dea3101e | 11177 | |
07951076 | 11178 | /* This signals the response to set the correct status |
341af102 | 11179 | * before calling the completion handler |
07951076 JS |
11180 | */ |
11181 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; | |
11182 | ||
dea3101e | 11183 | iabt = &abtsiocbp->iocb; |
07951076 JS |
11184 | iabt->un.acxri.abortType = ABORT_TYPE_ABTS; |
11185 | iabt->un.acxri.abortContextTag = icmd->ulpContext; | |
45ed1190 | 11186 | if (phba->sli_rev == LPFC_SLI_REV4) { |
da0436e9 | 11187 | iabt->un.acxri.abortIoTag = cmdiocb->sli4_xritag; |
45ed1190 | 11188 | iabt->un.acxri.abortContextTag = cmdiocb->iotag; |
faa832e9 | 11189 | } else { |
da0436e9 | 11190 | iabt->un.acxri.abortIoTag = icmd->ulpIoTag; |
faa832e9 JS |
11191 | if (pring->ringno == LPFC_ELS_RING) { |
11192 | ndlp = (struct lpfc_nodelist *)(cmdiocb->context1); | |
11193 | iabt->un.acxri.abortContextTag = ndlp->nlp_rpi; | |
11194 | } | |
11195 | } | |
07951076 JS |
11196 | iabt->ulpLe = 1; |
11197 | iabt->ulpClass = icmd->ulpClass; | |
dea3101e | 11198 | |
5ffc266e | 11199 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ |
895427bd | 11200 | abtsiocbp->hba_wqidx = cmdiocb->hba_wqidx; |
341af102 JS |
11201 | if (cmdiocb->iocb_flag & LPFC_IO_FCP) |
11202 | abtsiocbp->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
11203 | if (cmdiocb->iocb_flag & LPFC_IO_FOF) |
11204 | abtsiocbp->iocb_flag |= LPFC_IO_FOF; | |
5ffc266e | 11205 | |
2e0fef85 | 11206 | if (phba->link_state >= LPFC_LINK_UP) |
07951076 JS |
11207 | iabt->ulpCommand = CMD_ABORT_XRI_CN; |
11208 | else | |
11209 | iabt->ulpCommand = CMD_CLOSE_XRI_CN; | |
dea3101e | 11210 | |
07951076 | 11211 | abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; |
e6c6acc0 | 11212 | abtsiocbp->vport = vport; |
5b8bd0c9 | 11213 | |
e8b62011 JS |
11214 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, |
11215 | "0339 Abort xri x%x, original iotag x%x, " | |
11216 | "abort cmd iotag x%x\n", | |
2a9bf3d0 | 11217 | iabt->un.acxri.abortIoTag, |
e8b62011 | 11218 | iabt->un.acxri.abortContextTag, |
2a9bf3d0 | 11219 | abtsiocbp->iotag); |
7e56aa25 JS |
11220 | |
11221 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
895427bd JS |
11222 | pring = lpfc_sli4_calc_ring(phba, abtsiocbp); |
11223 | if (unlikely(pring == NULL)) | |
9bd2bff5 | 11224 | return 0; |
7e56aa25 JS |
11225 | /* Note: both hbalock and ring_lock need to be set here */ |
11226 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
11227 | retval = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
11228 | abtsiocbp, 0); | |
11229 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
11230 | } else { | |
11231 | retval = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
11232 | abtsiocbp, 0); | |
11233 | } | |
dea3101e | 11234 | |
d7c255b2 JS |
11235 | if (retval) |
11236 | __lpfc_sli_release_iocbq(phba, abtsiocbp); | |
5af5eee7 JS |
11237 | |
11238 | /* | |
11239 | * Caller to this routine should check for IOCB_ERROR | |
11240 | * and handle it properly. This routine no longer removes | |
11241 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
11242 | */ | |
11243 | return retval; | |
11244 | } | |
11245 | ||
11246 | /** | |
11247 | * lpfc_sli_issue_abort_iotag - Abort function for a command iocb | |
11248 | * @phba: Pointer to HBA context object. | |
11249 | * @pring: Pointer to driver SLI ring object. | |
11250 | * @cmdiocb: Pointer to driver command iocb object. | |
11251 | * | |
11252 | * This function issues an abort iocb for the provided command iocb. In case | |
11253 | * of unloading, the abort iocb will not be issued to commands on the ELS | |
11254 | * ring. Instead, the callback function shall be changed to those commands | |
11255 | * so that nothing happens when them finishes. This function is called with | |
11256 | * hbalock held. The function returns 0 when the command iocb is an abort | |
11257 | * request. | |
11258 | **/ | |
11259 | int | |
11260 | lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
11261 | struct lpfc_iocbq *cmdiocb) | |
11262 | { | |
11263 | struct lpfc_vport *vport = cmdiocb->vport; | |
11264 | int retval = IOCB_ERROR; | |
11265 | IOCB_t *icmd = NULL; | |
11266 | ||
1c2ba475 JT |
11267 | lockdep_assert_held(&phba->hbalock); |
11268 | ||
5af5eee7 JS |
11269 | /* |
11270 | * There are certain command types we don't want to abort. And we | |
11271 | * don't want to abort commands that are already in the process of | |
11272 | * being aborted. | |
11273 | */ | |
11274 | icmd = &cmdiocb->iocb; | |
11275 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || | |
11276 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || | |
11277 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
11278 | return 0; | |
11279 | ||
1234a6d5 DK |
11280 | if (!pring) { |
11281 | if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) | |
11282 | cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; | |
11283 | else | |
11284 | cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; | |
11285 | goto abort_iotag_exit; | |
11286 | } | |
11287 | ||
5af5eee7 JS |
11288 | /* |
11289 | * If we're unloading, don't abort iocb on the ELS ring, but change | |
11290 | * the callback so that nothing happens when it finishes. | |
11291 | */ | |
11292 | if ((vport->load_flag & FC_UNLOADING) && | |
11293 | (pring->ringno == LPFC_ELS_RING)) { | |
11294 | if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) | |
11295 | cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; | |
11296 | else | |
11297 | cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; | |
11298 | goto abort_iotag_exit; | |
11299 | } | |
11300 | ||
11301 | /* Now, we try to issue the abort to the cmdiocb out */ | |
11302 | retval = lpfc_sli_abort_iotag_issue(phba, pring, cmdiocb); | |
11303 | ||
07951076 | 11304 | abort_iotag_exit: |
2e0fef85 JS |
11305 | /* |
11306 | * Caller to this routine should check for IOCB_ERROR | |
11307 | * and handle it properly. This routine no longer removes | |
11308 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
07951076 | 11309 | */ |
2e0fef85 | 11310 | return retval; |
dea3101e | 11311 | } |
11312 | ||
895427bd JS |
11313 | /** |
11314 | * lpfc_sli4_abort_nvme_io - Issue abort for a command iocb | |
11315 | * @phba: Pointer to HBA context object. | |
11316 | * @pring: Pointer to driver SLI ring object. | |
11317 | * @cmdiocb: Pointer to driver command iocb object. | |
11318 | * | |
11319 | * This function issues an abort iocb for the provided command iocb down to | |
11320 | * the port. Other than the case the outstanding command iocb is an abort | |
11321 | * request, this function issues abort out unconditionally. This function is | |
11322 | * called with hbalock held. The function returns 0 when it fails due to | |
11323 | * memory allocation failure or when the command iocb is an abort request. | |
11324 | **/ | |
11325 | static int | |
11326 | lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
11327 | struct lpfc_iocbq *cmdiocb) | |
11328 | { | |
11329 | struct lpfc_vport *vport = cmdiocb->vport; | |
11330 | struct lpfc_iocbq *abtsiocbp; | |
205e8240 | 11331 | union lpfc_wqe128 *abts_wqe; |
895427bd | 11332 | int retval; |
1fbf9742 | 11333 | int idx = cmdiocb->hba_wqidx; |
895427bd JS |
11334 | |
11335 | /* | |
11336 | * There are certain command types we don't want to abort. And we | |
11337 | * don't want to abort commands that are already in the process of | |
11338 | * being aborted. | |
11339 | */ | |
11340 | if (cmdiocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || | |
11341 | cmdiocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN || | |
11342 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
11343 | return 0; | |
11344 | ||
11345 | /* issue ABTS for this io based on iotag */ | |
11346 | abtsiocbp = __lpfc_sli_get_iocbq(phba); | |
11347 | if (abtsiocbp == NULL) | |
11348 | return 0; | |
11349 | ||
11350 | /* This signals the response to set the correct status | |
11351 | * before calling the completion handler | |
11352 | */ | |
11353 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; | |
11354 | ||
11355 | /* Complete prepping the abort wqe and issue to the FW. */ | |
11356 | abts_wqe = &abtsiocbp->wqe; | |
895427bd | 11357 | |
1c36833d JS |
11358 | /* Clear any stale WQE contents */ |
11359 | memset(abts_wqe, 0, sizeof(union lpfc_wqe)); | |
11360 | bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG); | |
895427bd JS |
11361 | |
11362 | /* word 7 */ | |
895427bd JS |
11363 | bf_set(wqe_cmnd, &abts_wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); |
11364 | bf_set(wqe_class, &abts_wqe->abort_cmd.wqe_com, | |
11365 | cmdiocb->iocb.ulpClass); | |
11366 | ||
11367 | /* word 8 - tell the FW to abort the IO associated with this | |
11368 | * outstanding exchange ID. | |
11369 | */ | |
11370 | abts_wqe->abort_cmd.wqe_com.abort_tag = cmdiocb->sli4_xritag; | |
11371 | ||
11372 | /* word 9 - this is the iotag for the abts_wqe completion. */ | |
11373 | bf_set(wqe_reqtag, &abts_wqe->abort_cmd.wqe_com, | |
11374 | abtsiocbp->iotag); | |
11375 | ||
11376 | /* word 10 */ | |
895427bd JS |
11377 | bf_set(wqe_qosd, &abts_wqe->abort_cmd.wqe_com, 1); |
11378 | bf_set(wqe_lenloc, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_LENLOC_NONE); | |
11379 | ||
11380 | /* word 11 */ | |
11381 | bf_set(wqe_cmd_type, &abts_wqe->abort_cmd.wqe_com, OTHER_COMMAND); | |
11382 | bf_set(wqe_wqec, &abts_wqe->abort_cmd.wqe_com, 1); | |
11383 | bf_set(wqe_cqid, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); | |
11384 | ||
11385 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ | |
11386 | abtsiocbp->iocb_flag |= LPFC_IO_NVME; | |
11387 | abtsiocbp->vport = vport; | |
01649561 | 11388 | abtsiocbp->wqe_cmpl = lpfc_nvme_abort_fcreq_cmpl; |
1fbf9742 JS |
11389 | retval = lpfc_sli4_issue_wqe(phba, &phba->sli4_hba.hdwq[idx], |
11390 | abtsiocbp); | |
cd22d605 | 11391 | if (retval) { |
895427bd JS |
11392 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME, |
11393 | "6147 Failed abts issue_wqe with status x%x " | |
11394 | "for oxid x%x\n", | |
11395 | retval, cmdiocb->sli4_xritag); | |
11396 | lpfc_sli_release_iocbq(phba, abtsiocbp); | |
11397 | return retval; | |
11398 | } | |
11399 | ||
11400 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME, | |
11401 | "6148 Drv Abort NVME Request Issued for " | |
11402 | "ox_id x%x on reqtag x%x\n", | |
11403 | cmdiocb->sli4_xritag, | |
11404 | abtsiocbp->iotag); | |
11405 | ||
11406 | return retval; | |
11407 | } | |
11408 | ||
5af5eee7 JS |
11409 | /** |
11410 | * lpfc_sli_hba_iocb_abort - Abort all iocbs to an hba. | |
11411 | * @phba: pointer to lpfc HBA data structure. | |
11412 | * | |
11413 | * This routine will abort all pending and outstanding iocbs to an HBA. | |
11414 | **/ | |
11415 | void | |
11416 | lpfc_sli_hba_iocb_abort(struct lpfc_hba *phba) | |
11417 | { | |
11418 | struct lpfc_sli *psli = &phba->sli; | |
11419 | struct lpfc_sli_ring *pring; | |
895427bd | 11420 | struct lpfc_queue *qp = NULL; |
5af5eee7 JS |
11421 | int i; |
11422 | ||
895427bd JS |
11423 | if (phba->sli_rev != LPFC_SLI_REV4) { |
11424 | for (i = 0; i < psli->num_rings; i++) { | |
11425 | pring = &psli->sli3_ring[i]; | |
11426 | lpfc_sli_abort_iocb_ring(phba, pring); | |
11427 | } | |
11428 | return; | |
11429 | } | |
11430 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
11431 | pring = qp->pring; | |
11432 | if (!pring) | |
11433 | continue; | |
db55fba8 | 11434 | lpfc_sli_abort_iocb_ring(phba, pring); |
5af5eee7 JS |
11435 | } |
11436 | } | |
11437 | ||
e59058c4 | 11438 | /** |
3621a710 | 11439 | * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN |
e59058c4 JS |
11440 | * @iocbq: Pointer to driver iocb object. |
11441 | * @vport: Pointer to driver virtual port object. | |
11442 | * @tgt_id: SCSI ID of the target. | |
11443 | * @lun_id: LUN ID of the scsi device. | |
11444 | * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST | |
11445 | * | |
3621a710 | 11446 | * This function acts as an iocb filter for functions which abort or count |
e59058c4 JS |
11447 | * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return |
11448 | * 0 if the filtering criteria is met for the given iocb and will return | |
11449 | * 1 if the filtering criteria is not met. | |
11450 | * If ctx_cmd == LPFC_CTX_LUN, the function returns 0 only if the | |
11451 | * given iocb is for the SCSI device specified by vport, tgt_id and | |
11452 | * lun_id parameter. | |
11453 | * If ctx_cmd == LPFC_CTX_TGT, the function returns 0 only if the | |
11454 | * given iocb is for the SCSI target specified by vport and tgt_id | |
11455 | * parameters. | |
11456 | * If ctx_cmd == LPFC_CTX_HOST, the function returns 0 only if the | |
11457 | * given iocb is for the SCSI host associated with the given vport. | |
11458 | * This function is called with no locks held. | |
11459 | **/ | |
dea3101e | 11460 | static int |
51ef4c26 JS |
11461 | lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, |
11462 | uint16_t tgt_id, uint64_t lun_id, | |
0bd4ca25 | 11463 | lpfc_ctx_cmd ctx_cmd) |
dea3101e | 11464 | { |
c490850a | 11465 | struct lpfc_io_buf *lpfc_cmd; |
dea3101e | 11466 | int rc = 1; |
11467 | ||
b0e83012 | 11468 | if (iocbq->vport != vport) |
0bd4ca25 JSEC |
11469 | return rc; |
11470 | ||
b0e83012 JS |
11471 | if (!(iocbq->iocb_flag & LPFC_IO_FCP) || |
11472 | !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ)) | |
51ef4c26 JS |
11473 | return rc; |
11474 | ||
c490850a | 11475 | lpfc_cmd = container_of(iocbq, struct lpfc_io_buf, cur_iocbq); |
0bd4ca25 | 11476 | |
495a714c | 11477 | if (lpfc_cmd->pCmd == NULL) |
dea3101e | 11478 | return rc; |
11479 | ||
11480 | switch (ctx_cmd) { | |
11481 | case LPFC_CTX_LUN: | |
b0e83012 | 11482 | if ((lpfc_cmd->rdata) && (lpfc_cmd->rdata->pnode) && |
495a714c JS |
11483 | (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id) && |
11484 | (scsilun_to_int(&lpfc_cmd->fcp_cmnd->fcp_lun) == lun_id)) | |
dea3101e | 11485 | rc = 0; |
11486 | break; | |
11487 | case LPFC_CTX_TGT: | |
b0e83012 | 11488 | if ((lpfc_cmd->rdata) && (lpfc_cmd->rdata->pnode) && |
495a714c | 11489 | (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id)) |
dea3101e | 11490 | rc = 0; |
11491 | break; | |
dea3101e | 11492 | case LPFC_CTX_HOST: |
11493 | rc = 0; | |
11494 | break; | |
11495 | default: | |
11496 | printk(KERN_ERR "%s: Unknown context cmd type, value %d\n", | |
cadbd4a5 | 11497 | __func__, ctx_cmd); |
dea3101e | 11498 | break; |
11499 | } | |
11500 | ||
11501 | return rc; | |
11502 | } | |
11503 | ||
e59058c4 | 11504 | /** |
3621a710 | 11505 | * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending |
e59058c4 JS |
11506 | * @vport: Pointer to virtual port. |
11507 | * @tgt_id: SCSI ID of the target. | |
11508 | * @lun_id: LUN ID of the scsi device. | |
11509 | * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
11510 | * | |
11511 | * This function returns number of FCP commands pending for the vport. | |
11512 | * When ctx_cmd == LPFC_CTX_LUN, the function returns number of FCP | |
11513 | * commands pending on the vport associated with SCSI device specified | |
11514 | * by tgt_id and lun_id parameters. | |
11515 | * When ctx_cmd == LPFC_CTX_TGT, the function returns number of FCP | |
11516 | * commands pending on the vport associated with SCSI target specified | |
11517 | * by tgt_id parameter. | |
11518 | * When ctx_cmd == LPFC_CTX_HOST, the function returns number of FCP | |
11519 | * commands pending on the vport. | |
11520 | * This function returns the number of iocbs which satisfy the filter. | |
11521 | * This function is called without any lock held. | |
11522 | **/ | |
dea3101e | 11523 | int |
51ef4c26 JS |
11524 | lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, |
11525 | lpfc_ctx_cmd ctx_cmd) | |
dea3101e | 11526 | { |
51ef4c26 | 11527 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
11528 | struct lpfc_iocbq *iocbq; |
11529 | int sum, i; | |
dea3101e | 11530 | |
31979008 | 11531 | spin_lock_irq(&phba->hbalock); |
0bd4ca25 JSEC |
11532 | for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) { |
11533 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 11534 | |
51ef4c26 JS |
11535 | if (lpfc_sli_validate_fcp_iocb (iocbq, vport, tgt_id, lun_id, |
11536 | ctx_cmd) == 0) | |
0bd4ca25 | 11537 | sum++; |
dea3101e | 11538 | } |
31979008 | 11539 | spin_unlock_irq(&phba->hbalock); |
0bd4ca25 | 11540 | |
dea3101e | 11541 | return sum; |
11542 | } | |
11543 | ||
e59058c4 | 11544 | /** |
3621a710 | 11545 | * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs |
e59058c4 JS |
11546 | * @phba: Pointer to HBA context object |
11547 | * @cmdiocb: Pointer to command iocb object. | |
11548 | * @rspiocb: Pointer to response iocb object. | |
11549 | * | |
11550 | * This function is called when an aborted FCP iocb completes. This | |
11551 | * function is called by the ring event handler with no lock held. | |
11552 | * This function frees the iocb. | |
11553 | **/ | |
5eb95af0 | 11554 | void |
2e0fef85 JS |
11555 | lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
11556 | struct lpfc_iocbq *rspiocb) | |
5eb95af0 | 11557 | { |
cb69f7de | 11558 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
8e668af5 | 11559 | "3096 ABORT_XRI_CN completing on rpi x%x " |
cb69f7de JS |
11560 | "original iotag x%x, abort cmd iotag x%x " |
11561 | "status 0x%x, reason 0x%x\n", | |
11562 | cmdiocb->iocb.un.acxri.abortContextTag, | |
11563 | cmdiocb->iocb.un.acxri.abortIoTag, | |
11564 | cmdiocb->iotag, rspiocb->iocb.ulpStatus, | |
11565 | rspiocb->iocb.un.ulpWord[4]); | |
604a3e30 | 11566 | lpfc_sli_release_iocbq(phba, cmdiocb); |
5eb95af0 JSEC |
11567 | return; |
11568 | } | |
11569 | ||
e59058c4 | 11570 | /** |
3621a710 | 11571 | * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN |
e59058c4 JS |
11572 | * @vport: Pointer to virtual port. |
11573 | * @pring: Pointer to driver SLI ring object. | |
11574 | * @tgt_id: SCSI ID of the target. | |
11575 | * @lun_id: LUN ID of the scsi device. | |
11576 | * @abort_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
11577 | * | |
11578 | * This function sends an abort command for every SCSI command | |
11579 | * associated with the given virtual port pending on the ring | |
11580 | * filtered by lpfc_sli_validate_fcp_iocb function. | |
11581 | * When abort_cmd == LPFC_CTX_LUN, the function sends abort only to the | |
11582 | * FCP iocbs associated with lun specified by tgt_id and lun_id | |
11583 | * parameters | |
11584 | * When abort_cmd == LPFC_CTX_TGT, the function sends abort only to the | |
11585 | * FCP iocbs associated with SCSI target specified by tgt_id parameter. | |
11586 | * When abort_cmd == LPFC_CTX_HOST, the function sends abort to all | |
11587 | * FCP iocbs associated with virtual port. | |
11588 | * This function returns number of iocbs it failed to abort. | |
11589 | * This function is called with no locks held. | |
11590 | **/ | |
dea3101e | 11591 | int |
51ef4c26 JS |
11592 | lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, |
11593 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd abort_cmd) | |
dea3101e | 11594 | { |
51ef4c26 | 11595 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
11596 | struct lpfc_iocbq *iocbq; |
11597 | struct lpfc_iocbq *abtsiocb; | |
ecbb227e | 11598 | struct lpfc_sli_ring *pring_s4; |
dea3101e | 11599 | IOCB_t *cmd = NULL; |
dea3101e | 11600 | int errcnt = 0, ret_val = 0; |
0bd4ca25 | 11601 | int i; |
dea3101e | 11602 | |
b0e83012 JS |
11603 | /* all I/Os are in process of being flushed */ |
11604 | if (phba->hba_flag & HBA_FCP_IOQ_FLUSH) | |
11605 | return errcnt; | |
11606 | ||
0bd4ca25 JSEC |
11607 | for (i = 1; i <= phba->sli.last_iotag; i++) { |
11608 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 11609 | |
51ef4c26 | 11610 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, |
2e0fef85 | 11611 | abort_cmd) != 0) |
dea3101e | 11612 | continue; |
11613 | ||
afbd8d88 JS |
11614 | /* |
11615 | * If the iocbq is already being aborted, don't take a second | |
11616 | * action, but do count it. | |
11617 | */ | |
11618 | if (iocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
11619 | continue; | |
11620 | ||
dea3101e | 11621 | /* issue ABTS for this IOCB based on iotag */ |
0bd4ca25 | 11622 | abtsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e | 11623 | if (abtsiocb == NULL) { |
11624 | errcnt++; | |
11625 | continue; | |
11626 | } | |
dea3101e | 11627 | |
afbd8d88 JS |
11628 | /* indicate the IO is being aborted by the driver. */ |
11629 | iocbq->iocb_flag |= LPFC_DRIVER_ABORTED; | |
11630 | ||
0bd4ca25 | 11631 | cmd = &iocbq->iocb; |
dea3101e | 11632 | abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; |
11633 | abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext; | |
da0436e9 JS |
11634 | if (phba->sli_rev == LPFC_SLI_REV4) |
11635 | abtsiocb->iocb.un.acxri.abortIoTag = iocbq->sli4_xritag; | |
11636 | else | |
11637 | abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag; | |
dea3101e | 11638 | abtsiocb->iocb.ulpLe = 1; |
11639 | abtsiocb->iocb.ulpClass = cmd->ulpClass; | |
afbd8d88 | 11640 | abtsiocb->vport = vport; |
dea3101e | 11641 | |
5ffc266e | 11642 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ |
895427bd | 11643 | abtsiocb->hba_wqidx = iocbq->hba_wqidx; |
341af102 JS |
11644 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
11645 | abtsiocb->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
11646 | if (iocbq->iocb_flag & LPFC_IO_FOF) |
11647 | abtsiocb->iocb_flag |= LPFC_IO_FOF; | |
5ffc266e | 11648 | |
2e0fef85 | 11649 | if (lpfc_is_link_up(phba)) |
dea3101e | 11650 | abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
11651 | else | |
11652 | abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
11653 | ||
5eb95af0 JSEC |
11654 | /* Setup callback routine and issue the command. */ |
11655 | abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
ecbb227e JS |
11656 | if (phba->sli_rev == LPFC_SLI_REV4) { |
11657 | pring_s4 = lpfc_sli4_calc_ring(phba, iocbq); | |
11658 | if (!pring_s4) | |
11659 | continue; | |
11660 | ret_val = lpfc_sli_issue_iocb(phba, pring_s4->ringno, | |
11661 | abtsiocb, 0); | |
11662 | } else | |
11663 | ret_val = lpfc_sli_issue_iocb(phba, pring->ringno, | |
11664 | abtsiocb, 0); | |
dea3101e | 11665 | if (ret_val == IOCB_ERROR) { |
604a3e30 | 11666 | lpfc_sli_release_iocbq(phba, abtsiocb); |
dea3101e | 11667 | errcnt++; |
11668 | continue; | |
11669 | } | |
11670 | } | |
11671 | ||
11672 | return errcnt; | |
11673 | } | |
11674 | ||
98912dda JS |
11675 | /** |
11676 | * lpfc_sli_abort_taskmgmt - issue abort for all commands on a host/target/LUN | |
11677 | * @vport: Pointer to virtual port. | |
11678 | * @pring: Pointer to driver SLI ring object. | |
11679 | * @tgt_id: SCSI ID of the target. | |
11680 | * @lun_id: LUN ID of the scsi device. | |
11681 | * @taskmgmt_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
11682 | * | |
11683 | * This function sends an abort command for every SCSI command | |
11684 | * associated with the given virtual port pending on the ring | |
11685 | * filtered by lpfc_sli_validate_fcp_iocb function. | |
11686 | * When taskmgmt_cmd == LPFC_CTX_LUN, the function sends abort only to the | |
11687 | * FCP iocbs associated with lun specified by tgt_id and lun_id | |
11688 | * parameters | |
11689 | * When taskmgmt_cmd == LPFC_CTX_TGT, the function sends abort only to the | |
11690 | * FCP iocbs associated with SCSI target specified by tgt_id parameter. | |
11691 | * When taskmgmt_cmd == LPFC_CTX_HOST, the function sends abort to all | |
11692 | * FCP iocbs associated with virtual port. | |
11693 | * This function returns number of iocbs it aborted . | |
11694 | * This function is called with no locks held right after a taskmgmt | |
11695 | * command is sent. | |
11696 | **/ | |
11697 | int | |
11698 | lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, | |
11699 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd cmd) | |
11700 | { | |
11701 | struct lpfc_hba *phba = vport->phba; | |
c490850a | 11702 | struct lpfc_io_buf *lpfc_cmd; |
98912dda | 11703 | struct lpfc_iocbq *abtsiocbq; |
8c50d25c | 11704 | struct lpfc_nodelist *ndlp; |
98912dda JS |
11705 | struct lpfc_iocbq *iocbq; |
11706 | IOCB_t *icmd; | |
11707 | int sum, i, ret_val; | |
11708 | unsigned long iflags; | |
11709 | struct lpfc_sli_ring *pring_s4; | |
98912dda | 11710 | |
59c68eaa | 11711 | spin_lock_irqsave(&phba->hbalock, iflags); |
98912dda JS |
11712 | |
11713 | /* all I/Os are in process of being flushed */ | |
11714 | if (phba->hba_flag & HBA_FCP_IOQ_FLUSH) { | |
59c68eaa | 11715 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
98912dda JS |
11716 | return 0; |
11717 | } | |
11718 | sum = 0; | |
11719 | ||
11720 | for (i = 1; i <= phba->sli.last_iotag; i++) { | |
11721 | iocbq = phba->sli.iocbq_lookup[i]; | |
11722 | ||
11723 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, | |
11724 | cmd) != 0) | |
11725 | continue; | |
11726 | ||
11727 | /* | |
11728 | * If the iocbq is already being aborted, don't take a second | |
11729 | * action, but do count it. | |
11730 | */ | |
11731 | if (iocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
11732 | continue; | |
11733 | ||
11734 | /* issue ABTS for this IOCB based on iotag */ | |
11735 | abtsiocbq = __lpfc_sli_get_iocbq(phba); | |
11736 | if (abtsiocbq == NULL) | |
11737 | continue; | |
11738 | ||
11739 | icmd = &iocbq->iocb; | |
11740 | abtsiocbq->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; | |
11741 | abtsiocbq->iocb.un.acxri.abortContextTag = icmd->ulpContext; | |
11742 | if (phba->sli_rev == LPFC_SLI_REV4) | |
11743 | abtsiocbq->iocb.un.acxri.abortIoTag = | |
11744 | iocbq->sli4_xritag; | |
11745 | else | |
11746 | abtsiocbq->iocb.un.acxri.abortIoTag = icmd->ulpIoTag; | |
11747 | abtsiocbq->iocb.ulpLe = 1; | |
11748 | abtsiocbq->iocb.ulpClass = icmd->ulpClass; | |
11749 | abtsiocbq->vport = vport; | |
11750 | ||
11751 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ | |
895427bd | 11752 | abtsiocbq->hba_wqidx = iocbq->hba_wqidx; |
98912dda JS |
11753 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
11754 | abtsiocbq->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
11755 | if (iocbq->iocb_flag & LPFC_IO_FOF) |
11756 | abtsiocbq->iocb_flag |= LPFC_IO_FOF; | |
98912dda | 11757 | |
c490850a | 11758 | lpfc_cmd = container_of(iocbq, struct lpfc_io_buf, cur_iocbq); |
8c50d25c JS |
11759 | ndlp = lpfc_cmd->rdata->pnode; |
11760 | ||
11761 | if (lpfc_is_link_up(phba) && | |
11762 | (ndlp && ndlp->nlp_state == NLP_STE_MAPPED_NODE)) | |
98912dda JS |
11763 | abtsiocbq->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
11764 | else | |
11765 | abtsiocbq->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
11766 | ||
11767 | /* Setup callback routine and issue the command. */ | |
11768 | abtsiocbq->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
11769 | ||
11770 | /* | |
11771 | * Indicate the IO is being aborted by the driver and set | |
11772 | * the caller's flag into the aborted IO. | |
11773 | */ | |
11774 | iocbq->iocb_flag |= LPFC_DRIVER_ABORTED; | |
11775 | ||
11776 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
59c68eaa JS |
11777 | pring_s4 = lpfc_sli4_calc_ring(phba, abtsiocbq); |
11778 | if (!pring_s4) | |
895427bd | 11779 | continue; |
98912dda | 11780 | /* Note: both hbalock and ring_lock must be set here */ |
59c68eaa | 11781 | spin_lock(&pring_s4->ring_lock); |
98912dda JS |
11782 | ret_val = __lpfc_sli_issue_iocb(phba, pring_s4->ringno, |
11783 | abtsiocbq, 0); | |
59c68eaa | 11784 | spin_unlock(&pring_s4->ring_lock); |
98912dda JS |
11785 | } else { |
11786 | ret_val = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
11787 | abtsiocbq, 0); | |
11788 | } | |
11789 | ||
11790 | ||
11791 | if (ret_val == IOCB_ERROR) | |
11792 | __lpfc_sli_release_iocbq(phba, abtsiocbq); | |
11793 | else | |
11794 | sum++; | |
11795 | } | |
59c68eaa | 11796 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
98912dda JS |
11797 | return sum; |
11798 | } | |
11799 | ||
e59058c4 | 11800 | /** |
3621a710 | 11801 | * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler |
e59058c4 JS |
11802 | * @phba: Pointer to HBA context object. |
11803 | * @cmdiocbq: Pointer to command iocb. | |
11804 | * @rspiocbq: Pointer to response iocb. | |
11805 | * | |
11806 | * This function is the completion handler for iocbs issued using | |
11807 | * lpfc_sli_issue_iocb_wait function. This function is called by the | |
11808 | * ring event handler function without any lock held. This function | |
11809 | * can be called from both worker thread context and interrupt | |
11810 | * context. This function also can be called from other thread which | |
11811 | * cleans up the SLI layer objects. | |
11812 | * This function copy the contents of the response iocb to the | |
11813 | * response iocb memory object provided by the caller of | |
11814 | * lpfc_sli_issue_iocb_wait and then wakes up the thread which | |
11815 | * sleeps for the iocb completion. | |
11816 | **/ | |
68876920 JSEC |
11817 | static void |
11818 | lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, | |
11819 | struct lpfc_iocbq *cmdiocbq, | |
11820 | struct lpfc_iocbq *rspiocbq) | |
dea3101e | 11821 | { |
68876920 JSEC |
11822 | wait_queue_head_t *pdone_q; |
11823 | unsigned long iflags; | |
c490850a | 11824 | struct lpfc_io_buf *lpfc_cmd; |
dea3101e | 11825 | |
2e0fef85 | 11826 | spin_lock_irqsave(&phba->hbalock, iflags); |
5a0916b4 JS |
11827 | if (cmdiocbq->iocb_flag & LPFC_IO_WAKE_TMO) { |
11828 | ||
11829 | /* | |
11830 | * A time out has occurred for the iocb. If a time out | |
11831 | * completion handler has been supplied, call it. Otherwise, | |
11832 | * just free the iocbq. | |
11833 | */ | |
11834 | ||
11835 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11836 | cmdiocbq->iocb_cmpl = cmdiocbq->wait_iocb_cmpl; | |
11837 | cmdiocbq->wait_iocb_cmpl = NULL; | |
11838 | if (cmdiocbq->iocb_cmpl) | |
11839 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, NULL); | |
11840 | else | |
11841 | lpfc_sli_release_iocbq(phba, cmdiocbq); | |
11842 | return; | |
11843 | } | |
11844 | ||
68876920 JSEC |
11845 | cmdiocbq->iocb_flag |= LPFC_IO_WAKE; |
11846 | if (cmdiocbq->context2 && rspiocbq) | |
11847 | memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, | |
11848 | &rspiocbq->iocb, sizeof(IOCB_t)); | |
11849 | ||
0f65ff68 JS |
11850 | /* Set the exchange busy flag for task management commands */ |
11851 | if ((cmdiocbq->iocb_flag & LPFC_IO_FCP) && | |
11852 | !(cmdiocbq->iocb_flag & LPFC_IO_LIBDFC)) { | |
c490850a | 11853 | lpfc_cmd = container_of(cmdiocbq, struct lpfc_io_buf, |
0f65ff68 JS |
11854 | cur_iocbq); |
11855 | lpfc_cmd->exch_busy = rspiocbq->iocb_flag & LPFC_EXCHANGE_BUSY; | |
11856 | } | |
11857 | ||
68876920 | 11858 | pdone_q = cmdiocbq->context_un.wait_queue; |
68876920 JSEC |
11859 | if (pdone_q) |
11860 | wake_up(pdone_q); | |
858c9f6c | 11861 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
dea3101e | 11862 | return; |
11863 | } | |
11864 | ||
d11e31dd JS |
11865 | /** |
11866 | * lpfc_chk_iocb_flg - Test IOCB flag with lock held. | |
11867 | * @phba: Pointer to HBA context object.. | |
11868 | * @piocbq: Pointer to command iocb. | |
11869 | * @flag: Flag to test. | |
11870 | * | |
11871 | * This routine grabs the hbalock and then test the iocb_flag to | |
11872 | * see if the passed in flag is set. | |
11873 | * Returns: | |
11874 | * 1 if flag is set. | |
11875 | * 0 if flag is not set. | |
11876 | **/ | |
11877 | static int | |
11878 | lpfc_chk_iocb_flg(struct lpfc_hba *phba, | |
11879 | struct lpfc_iocbq *piocbq, uint32_t flag) | |
11880 | { | |
11881 | unsigned long iflags; | |
11882 | int ret; | |
11883 | ||
11884 | spin_lock_irqsave(&phba->hbalock, iflags); | |
11885 | ret = piocbq->iocb_flag & flag; | |
11886 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11887 | return ret; | |
11888 | ||
11889 | } | |
11890 | ||
e59058c4 | 11891 | /** |
3621a710 | 11892 | * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands |
e59058c4 JS |
11893 | * @phba: Pointer to HBA context object.. |
11894 | * @pring: Pointer to sli ring. | |
11895 | * @piocb: Pointer to command iocb. | |
11896 | * @prspiocbq: Pointer to response iocb. | |
11897 | * @timeout: Timeout in number of seconds. | |
11898 | * | |
11899 | * This function issues the iocb to firmware and waits for the | |
5a0916b4 JS |
11900 | * iocb to complete. The iocb_cmpl field of the shall be used |
11901 | * to handle iocbs which time out. If the field is NULL, the | |
11902 | * function shall free the iocbq structure. If more clean up is | |
11903 | * needed, the caller is expected to provide a completion function | |
11904 | * that will provide the needed clean up. If the iocb command is | |
11905 | * not completed within timeout seconds, the function will either | |
11906 | * free the iocbq structure (if iocb_cmpl == NULL) or execute the | |
11907 | * completion function set in the iocb_cmpl field and then return | |
11908 | * a status of IOCB_TIMEDOUT. The caller should not free the iocb | |
11909 | * resources if this function returns IOCB_TIMEDOUT. | |
e59058c4 JS |
11910 | * The function waits for the iocb completion using an |
11911 | * non-interruptible wait. | |
11912 | * This function will sleep while waiting for iocb completion. | |
11913 | * So, this function should not be called from any context which | |
11914 | * does not allow sleeping. Due to the same reason, this function | |
11915 | * cannot be called with interrupt disabled. | |
11916 | * This function assumes that the iocb completions occur while | |
11917 | * this function sleep. So, this function cannot be called from | |
11918 | * the thread which process iocb completion for this ring. | |
11919 | * This function clears the iocb_flag of the iocb object before | |
11920 | * issuing the iocb and the iocb completion handler sets this | |
11921 | * flag and wakes this thread when the iocb completes. | |
11922 | * The contents of the response iocb will be copied to prspiocbq | |
11923 | * by the completion handler when the command completes. | |
11924 | * This function returns IOCB_SUCCESS when success. | |
11925 | * This function is called with no lock held. | |
11926 | **/ | |
dea3101e | 11927 | int |
2e0fef85 | 11928 | lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, |
da0436e9 | 11929 | uint32_t ring_number, |
2e0fef85 JS |
11930 | struct lpfc_iocbq *piocb, |
11931 | struct lpfc_iocbq *prspiocbq, | |
68876920 | 11932 | uint32_t timeout) |
dea3101e | 11933 | { |
7259f0d0 | 11934 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
68876920 JSEC |
11935 | long timeleft, timeout_req = 0; |
11936 | int retval = IOCB_SUCCESS; | |
875fbdfe | 11937 | uint32_t creg_val; |
0e9bb8d7 JS |
11938 | struct lpfc_iocbq *iocb; |
11939 | int txq_cnt = 0; | |
11940 | int txcmplq_cnt = 0; | |
895427bd | 11941 | struct lpfc_sli_ring *pring; |
5a0916b4 JS |
11942 | unsigned long iflags; |
11943 | bool iocb_completed = true; | |
11944 | ||
895427bd JS |
11945 | if (phba->sli_rev >= LPFC_SLI_REV4) |
11946 | pring = lpfc_sli4_calc_ring(phba, piocb); | |
11947 | else | |
11948 | pring = &phba->sli.sli3_ring[ring_number]; | |
dea3101e | 11949 | /* |
68876920 JSEC |
11950 | * If the caller has provided a response iocbq buffer, then context2 |
11951 | * is NULL or its an error. | |
dea3101e | 11952 | */ |
68876920 JSEC |
11953 | if (prspiocbq) { |
11954 | if (piocb->context2) | |
11955 | return IOCB_ERROR; | |
11956 | piocb->context2 = prspiocbq; | |
dea3101e | 11957 | } |
11958 | ||
5a0916b4 | 11959 | piocb->wait_iocb_cmpl = piocb->iocb_cmpl; |
68876920 JSEC |
11960 | piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait; |
11961 | piocb->context_un.wait_queue = &done_q; | |
5a0916b4 | 11962 | piocb->iocb_flag &= ~(LPFC_IO_WAKE | LPFC_IO_WAKE_TMO); |
dea3101e | 11963 | |
875fbdfe | 11964 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
9940b97b JS |
11965 | if (lpfc_readl(phba->HCregaddr, &creg_val)) |
11966 | return IOCB_ERROR; | |
875fbdfe JSEC |
11967 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
11968 | writel(creg_val, phba->HCregaddr); | |
11969 | readl(phba->HCregaddr); /* flush */ | |
11970 | } | |
11971 | ||
2a9bf3d0 JS |
11972 | retval = lpfc_sli_issue_iocb(phba, ring_number, piocb, |
11973 | SLI_IOCB_RET_IOCB); | |
68876920 | 11974 | if (retval == IOCB_SUCCESS) { |
256ec0d0 | 11975 | timeout_req = msecs_to_jiffies(timeout * 1000); |
68876920 | 11976 | timeleft = wait_event_timeout(done_q, |
d11e31dd | 11977 | lpfc_chk_iocb_flg(phba, piocb, LPFC_IO_WAKE), |
68876920 | 11978 | timeout_req); |
5a0916b4 JS |
11979 | spin_lock_irqsave(&phba->hbalock, iflags); |
11980 | if (!(piocb->iocb_flag & LPFC_IO_WAKE)) { | |
11981 | ||
11982 | /* | |
11983 | * IOCB timed out. Inform the wake iocb wait | |
11984 | * completion function and set local status | |
11985 | */ | |
dea3101e | 11986 | |
5a0916b4 JS |
11987 | iocb_completed = false; |
11988 | piocb->iocb_flag |= LPFC_IO_WAKE_TMO; | |
11989 | } | |
11990 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11991 | if (iocb_completed) { | |
7054a606 | 11992 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 | 11993 | "0331 IOCB wake signaled\n"); |
53151bbb JS |
11994 | /* Note: we are not indicating if the IOCB has a success |
11995 | * status or not - that's for the caller to check. | |
11996 | * IOCB_SUCCESS means just that the command was sent and | |
11997 | * completed. Not that it completed successfully. | |
11998 | * */ | |
7054a606 | 11999 | } else if (timeleft == 0) { |
68876920 | 12000 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
12001 | "0338 IOCB wait timeout error - no " |
12002 | "wake response Data x%x\n", timeout); | |
68876920 | 12003 | retval = IOCB_TIMEDOUT; |
7054a606 | 12004 | } else { |
68876920 | 12005 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
12006 | "0330 IOCB wake NOT set, " |
12007 | "Data x%x x%lx\n", | |
68876920 JSEC |
12008 | timeout, (timeleft / jiffies)); |
12009 | retval = IOCB_TIMEDOUT; | |
dea3101e | 12010 | } |
2a9bf3d0 | 12011 | } else if (retval == IOCB_BUSY) { |
0e9bb8d7 JS |
12012 | if (phba->cfg_log_verbose & LOG_SLI) { |
12013 | list_for_each_entry(iocb, &pring->txq, list) { | |
12014 | txq_cnt++; | |
12015 | } | |
12016 | list_for_each_entry(iocb, &pring->txcmplq, list) { | |
12017 | txcmplq_cnt++; | |
12018 | } | |
12019 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
12020 | "2818 Max IOCBs %d txq cnt %d txcmplq cnt %d\n", | |
12021 | phba->iocb_cnt, txq_cnt, txcmplq_cnt); | |
12022 | } | |
2a9bf3d0 | 12023 | return retval; |
68876920 JSEC |
12024 | } else { |
12025 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
d7c255b2 | 12026 | "0332 IOCB wait issue failed, Data x%x\n", |
e8b62011 | 12027 | retval); |
68876920 | 12028 | retval = IOCB_ERROR; |
dea3101e | 12029 | } |
12030 | ||
875fbdfe | 12031 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
9940b97b JS |
12032 | if (lpfc_readl(phba->HCregaddr, &creg_val)) |
12033 | return IOCB_ERROR; | |
875fbdfe JSEC |
12034 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
12035 | writel(creg_val, phba->HCregaddr); | |
12036 | readl(phba->HCregaddr); /* flush */ | |
12037 | } | |
12038 | ||
68876920 JSEC |
12039 | if (prspiocbq) |
12040 | piocb->context2 = NULL; | |
12041 | ||
12042 | piocb->context_un.wait_queue = NULL; | |
12043 | piocb->iocb_cmpl = NULL; | |
dea3101e | 12044 | return retval; |
12045 | } | |
68876920 | 12046 | |
e59058c4 | 12047 | /** |
3621a710 | 12048 | * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox |
e59058c4 JS |
12049 | * @phba: Pointer to HBA context object. |
12050 | * @pmboxq: Pointer to driver mailbox object. | |
12051 | * @timeout: Timeout in number of seconds. | |
12052 | * | |
12053 | * This function issues the mailbox to firmware and waits for the | |
12054 | * mailbox command to complete. If the mailbox command is not | |
12055 | * completed within timeout seconds, it returns MBX_TIMEOUT. | |
12056 | * The function waits for the mailbox completion using an | |
12057 | * interruptible wait. If the thread is woken up due to a | |
12058 | * signal, MBX_TIMEOUT error is returned to the caller. Caller | |
12059 | * should not free the mailbox resources, if this function returns | |
12060 | * MBX_TIMEOUT. | |
12061 | * This function will sleep while waiting for mailbox completion. | |
12062 | * So, this function should not be called from any context which | |
12063 | * does not allow sleeping. Due to the same reason, this function | |
12064 | * cannot be called with interrupt disabled. | |
12065 | * This function assumes that the mailbox completion occurs while | |
12066 | * this function sleep. So, this function cannot be called from | |
12067 | * the worker thread which processes mailbox completion. | |
12068 | * This function is called in the context of HBA management | |
12069 | * applications. | |
12070 | * This function returns MBX_SUCCESS when successful. | |
12071 | * This function is called with no lock held. | |
12072 | **/ | |
dea3101e | 12073 | int |
2e0fef85 | 12074 | lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, |
dea3101e | 12075 | uint32_t timeout) |
12076 | { | |
e29d74f8 | 12077 | struct completion mbox_done; |
dea3101e | 12078 | int retval; |
858c9f6c | 12079 | unsigned long flag; |
dea3101e | 12080 | |
495a714c | 12081 | pmboxq->mbox_flag &= ~LPFC_MBX_WAKE; |
dea3101e | 12082 | /* setup wake call as IOCB callback */ |
12083 | pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait; | |
dea3101e | 12084 | |
e29d74f8 JS |
12085 | /* setup context3 field to pass wait_queue pointer to wake function */ |
12086 | init_completion(&mbox_done); | |
12087 | pmboxq->context3 = &mbox_done; | |
dea3101e | 12088 | /* now issue the command */ |
12089 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
dea3101e | 12090 | if (retval == MBX_BUSY || retval == MBX_SUCCESS) { |
e29d74f8 JS |
12091 | wait_for_completion_timeout(&mbox_done, |
12092 | msecs_to_jiffies(timeout * 1000)); | |
7054a606 | 12093 | |
858c9f6c | 12094 | spin_lock_irqsave(&phba->hbalock, flag); |
e29d74f8 | 12095 | pmboxq->context3 = NULL; |
7054a606 JS |
12096 | /* |
12097 | * if LPFC_MBX_WAKE flag is set the mailbox is completed | |
12098 | * else do not free the resources. | |
12099 | */ | |
d7c47992 | 12100 | if (pmboxq->mbox_flag & LPFC_MBX_WAKE) { |
dea3101e | 12101 | retval = MBX_SUCCESS; |
d7c47992 | 12102 | } else { |
7054a606 | 12103 | retval = MBX_TIMEOUT; |
858c9f6c JS |
12104 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
12105 | } | |
12106 | spin_unlock_irqrestore(&phba->hbalock, flag); | |
dea3101e | 12107 | } |
dea3101e | 12108 | return retval; |
12109 | } | |
12110 | ||
e59058c4 | 12111 | /** |
3772a991 | 12112 | * lpfc_sli_mbox_sys_shutdown - shutdown mailbox command sub-system |
e59058c4 JS |
12113 | * @phba: Pointer to HBA context. |
12114 | * | |
3772a991 JS |
12115 | * This function is called to shutdown the driver's mailbox sub-system. |
12116 | * It first marks the mailbox sub-system is in a block state to prevent | |
12117 | * the asynchronous mailbox command from issued off the pending mailbox | |
12118 | * command queue. If the mailbox command sub-system shutdown is due to | |
12119 | * HBA error conditions such as EEH or ERATT, this routine shall invoke | |
12120 | * the mailbox sub-system flush routine to forcefully bring down the | |
12121 | * mailbox sub-system. Otherwise, if it is due to normal condition (such | |
12122 | * as with offline or HBA function reset), this routine will wait for the | |
12123 | * outstanding mailbox command to complete before invoking the mailbox | |
12124 | * sub-system flush routine to gracefully bring down mailbox sub-system. | |
e59058c4 | 12125 | **/ |
3772a991 | 12126 | void |
618a5230 | 12127 | lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *phba, int mbx_action) |
b4c02652 | 12128 | { |
3772a991 | 12129 | struct lpfc_sli *psli = &phba->sli; |
3772a991 | 12130 | unsigned long timeout; |
b4c02652 | 12131 | |
618a5230 JS |
12132 | if (mbx_action == LPFC_MBX_NO_WAIT) { |
12133 | /* delay 100ms for port state */ | |
12134 | msleep(100); | |
12135 | lpfc_sli_mbox_sys_flush(phba); | |
12136 | return; | |
12137 | } | |
a183a15f | 12138 | timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies; |
d7069f09 | 12139 | |
523128e5 JS |
12140 | /* Disable softirqs, including timers from obtaining phba->hbalock */ |
12141 | local_bh_disable(); | |
12142 | ||
3772a991 JS |
12143 | spin_lock_irq(&phba->hbalock); |
12144 | psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
b4c02652 | 12145 | |
3772a991 | 12146 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
3772a991 JS |
12147 | /* Determine how long we might wait for the active mailbox |
12148 | * command to be gracefully completed by firmware. | |
12149 | */ | |
a183a15f JS |
12150 | if (phba->sli.mbox_active) |
12151 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
12152 | phba->sli.mbox_active) * | |
12153 | 1000) + jiffies; | |
12154 | spin_unlock_irq(&phba->hbalock); | |
12155 | ||
523128e5 JS |
12156 | /* Enable softirqs again, done with phba->hbalock */ |
12157 | local_bh_enable(); | |
12158 | ||
3772a991 JS |
12159 | while (phba->sli.mbox_active) { |
12160 | /* Check active mailbox complete status every 2ms */ | |
12161 | msleep(2); | |
12162 | if (time_after(jiffies, timeout)) | |
12163 | /* Timeout, let the mailbox flush routine to | |
12164 | * forcefully release active mailbox command | |
12165 | */ | |
12166 | break; | |
12167 | } | |
523128e5 | 12168 | } else { |
d7069f09 JS |
12169 | spin_unlock_irq(&phba->hbalock); |
12170 | ||
523128e5 JS |
12171 | /* Enable softirqs again, done with phba->hbalock */ |
12172 | local_bh_enable(); | |
12173 | } | |
12174 | ||
3772a991 JS |
12175 | lpfc_sli_mbox_sys_flush(phba); |
12176 | } | |
ed957684 | 12177 | |
3772a991 JS |
12178 | /** |
12179 | * lpfc_sli_eratt_read - read sli-3 error attention events | |
12180 | * @phba: Pointer to HBA context. | |
12181 | * | |
12182 | * This function is called to read the SLI3 device error attention registers | |
12183 | * for possible error attention events. The caller must hold the hostlock | |
12184 | * with spin_lock_irq(). | |
12185 | * | |
25985edc | 12186 | * This function returns 1 when there is Error Attention in the Host Attention |
3772a991 JS |
12187 | * Register and returns 0 otherwise. |
12188 | **/ | |
12189 | static int | |
12190 | lpfc_sli_eratt_read(struct lpfc_hba *phba) | |
12191 | { | |
12192 | uint32_t ha_copy; | |
b4c02652 | 12193 | |
3772a991 | 12194 | /* Read chip Host Attention (HA) register */ |
9940b97b JS |
12195 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
12196 | goto unplug_err; | |
12197 | ||
3772a991 JS |
12198 | if (ha_copy & HA_ERATT) { |
12199 | /* Read host status register to retrieve error event */ | |
9940b97b JS |
12200 | if (lpfc_sli_read_hs(phba)) |
12201 | goto unplug_err; | |
b4c02652 | 12202 | |
3772a991 JS |
12203 | /* Check if there is a deferred error condition is active */ |
12204 | if ((HS_FFER1 & phba->work_hs) && | |
12205 | ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | | |
dcf2a4e0 | 12206 | HS_FFER6 | HS_FFER7 | HS_FFER8) & phba->work_hs)) { |
3772a991 | 12207 | phba->hba_flag |= DEFER_ERATT; |
3772a991 JS |
12208 | /* Clear all interrupt enable conditions */ |
12209 | writel(0, phba->HCregaddr); | |
12210 | readl(phba->HCregaddr); | |
12211 | } | |
12212 | ||
12213 | /* Set the driver HA work bitmap */ | |
3772a991 JS |
12214 | phba->work_ha |= HA_ERATT; |
12215 | /* Indicate polling handles this ERATT */ | |
12216 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
3772a991 JS |
12217 | return 1; |
12218 | } | |
12219 | return 0; | |
9940b97b JS |
12220 | |
12221 | unplug_err: | |
12222 | /* Set the driver HS work bitmap */ | |
12223 | phba->work_hs |= UNPLUG_ERR; | |
12224 | /* Set the driver HA work bitmap */ | |
12225 | phba->work_ha |= HA_ERATT; | |
12226 | /* Indicate polling handles this ERATT */ | |
12227 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12228 | return 1; | |
b4c02652 JS |
12229 | } |
12230 | ||
da0436e9 JS |
12231 | /** |
12232 | * lpfc_sli4_eratt_read - read sli-4 error attention events | |
12233 | * @phba: Pointer to HBA context. | |
12234 | * | |
12235 | * This function is called to read the SLI4 device error attention registers | |
12236 | * for possible error attention events. The caller must hold the hostlock | |
12237 | * with spin_lock_irq(). | |
12238 | * | |
25985edc | 12239 | * This function returns 1 when there is Error Attention in the Host Attention |
da0436e9 JS |
12240 | * Register and returns 0 otherwise. |
12241 | **/ | |
12242 | static int | |
12243 | lpfc_sli4_eratt_read(struct lpfc_hba *phba) | |
12244 | { | |
12245 | uint32_t uerr_sta_hi, uerr_sta_lo; | |
2fcee4bf JS |
12246 | uint32_t if_type, portsmphr; |
12247 | struct lpfc_register portstat_reg; | |
da0436e9 | 12248 | |
2fcee4bf JS |
12249 | /* |
12250 | * For now, use the SLI4 device internal unrecoverable error | |
da0436e9 JS |
12251 | * registers for error attention. This can be changed later. |
12252 | */ | |
2fcee4bf JS |
12253 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
12254 | switch (if_type) { | |
12255 | case LPFC_SLI_INTF_IF_TYPE_0: | |
9940b97b JS |
12256 | if (lpfc_readl(phba->sli4_hba.u.if_type0.UERRLOregaddr, |
12257 | &uerr_sta_lo) || | |
12258 | lpfc_readl(phba->sli4_hba.u.if_type0.UERRHIregaddr, | |
12259 | &uerr_sta_hi)) { | |
12260 | phba->work_hs |= UNPLUG_ERR; | |
12261 | phba->work_ha |= HA_ERATT; | |
12262 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12263 | return 1; | |
12264 | } | |
2fcee4bf JS |
12265 | if ((~phba->sli4_hba.ue_mask_lo & uerr_sta_lo) || |
12266 | (~phba->sli4_hba.ue_mask_hi & uerr_sta_hi)) { | |
12267 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12268 | "1423 HBA Unrecoverable error: " | |
12269 | "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, " | |
12270 | "ue_mask_lo_reg=0x%x, " | |
12271 | "ue_mask_hi_reg=0x%x\n", | |
12272 | uerr_sta_lo, uerr_sta_hi, | |
12273 | phba->sli4_hba.ue_mask_lo, | |
12274 | phba->sli4_hba.ue_mask_hi); | |
12275 | phba->work_status[0] = uerr_sta_lo; | |
12276 | phba->work_status[1] = uerr_sta_hi; | |
12277 | phba->work_ha |= HA_ERATT; | |
12278 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12279 | return 1; | |
12280 | } | |
12281 | break; | |
12282 | case LPFC_SLI_INTF_IF_TYPE_2: | |
27d6ac0a | 12283 | case LPFC_SLI_INTF_IF_TYPE_6: |
9940b97b JS |
12284 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
12285 | &portstat_reg.word0) || | |
12286 | lpfc_readl(phba->sli4_hba.PSMPHRregaddr, | |
12287 | &portsmphr)){ | |
12288 | phba->work_hs |= UNPLUG_ERR; | |
12289 | phba->work_ha |= HA_ERATT; | |
12290 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12291 | return 1; | |
12292 | } | |
2fcee4bf JS |
12293 | if (bf_get(lpfc_sliport_status_err, &portstat_reg)) { |
12294 | phba->work_status[0] = | |
12295 | readl(phba->sli4_hba.u.if_type2.ERR1regaddr); | |
12296 | phba->work_status[1] = | |
12297 | readl(phba->sli4_hba.u.if_type2.ERR2regaddr); | |
12298 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2e90f4b5 | 12299 | "2885 Port Status Event: " |
2fcee4bf JS |
12300 | "port status reg 0x%x, " |
12301 | "port smphr reg 0x%x, " | |
12302 | "error 1=0x%x, error 2=0x%x\n", | |
12303 | portstat_reg.word0, | |
12304 | portsmphr, | |
12305 | phba->work_status[0], | |
12306 | phba->work_status[1]); | |
12307 | phba->work_ha |= HA_ERATT; | |
12308 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12309 | return 1; | |
12310 | } | |
12311 | break; | |
12312 | case LPFC_SLI_INTF_IF_TYPE_1: | |
12313 | default: | |
a747c9ce | 12314 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2fcee4bf JS |
12315 | "2886 HBA Error Attention on unsupported " |
12316 | "if type %d.", if_type); | |
a747c9ce | 12317 | return 1; |
da0436e9 | 12318 | } |
2fcee4bf | 12319 | |
da0436e9 JS |
12320 | return 0; |
12321 | } | |
12322 | ||
e59058c4 | 12323 | /** |
3621a710 | 12324 | * lpfc_sli_check_eratt - check error attention events |
9399627f JS |
12325 | * @phba: Pointer to HBA context. |
12326 | * | |
3772a991 | 12327 | * This function is called from timer soft interrupt context to check HBA's |
9399627f JS |
12328 | * error attention register bit for error attention events. |
12329 | * | |
25985edc | 12330 | * This function returns 1 when there is Error Attention in the Host Attention |
9399627f JS |
12331 | * Register and returns 0 otherwise. |
12332 | **/ | |
12333 | int | |
12334 | lpfc_sli_check_eratt(struct lpfc_hba *phba) | |
12335 | { | |
12336 | uint32_t ha_copy; | |
12337 | ||
12338 | /* If somebody is waiting to handle an eratt, don't process it | |
12339 | * here. The brdkill function will do this. | |
12340 | */ | |
12341 | if (phba->link_flag & LS_IGNORE_ERATT) | |
12342 | return 0; | |
12343 | ||
12344 | /* Check if interrupt handler handles this ERATT */ | |
12345 | spin_lock_irq(&phba->hbalock); | |
12346 | if (phba->hba_flag & HBA_ERATT_HANDLED) { | |
12347 | /* Interrupt handler has handled ERATT */ | |
12348 | spin_unlock_irq(&phba->hbalock); | |
12349 | return 0; | |
12350 | } | |
12351 | ||
a257bf90 JS |
12352 | /* |
12353 | * If there is deferred error attention, do not check for error | |
12354 | * attention | |
12355 | */ | |
12356 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
12357 | spin_unlock_irq(&phba->hbalock); | |
12358 | return 0; | |
12359 | } | |
12360 | ||
3772a991 JS |
12361 | /* If PCI channel is offline, don't process it */ |
12362 | if (unlikely(pci_channel_offline(phba->pcidev))) { | |
9399627f | 12363 | spin_unlock_irq(&phba->hbalock); |
3772a991 JS |
12364 | return 0; |
12365 | } | |
12366 | ||
12367 | switch (phba->sli_rev) { | |
12368 | case LPFC_SLI_REV2: | |
12369 | case LPFC_SLI_REV3: | |
12370 | /* Read chip Host Attention (HA) register */ | |
12371 | ha_copy = lpfc_sli_eratt_read(phba); | |
12372 | break; | |
da0436e9 | 12373 | case LPFC_SLI_REV4: |
2fcee4bf | 12374 | /* Read device Uncoverable Error (UERR) registers */ |
da0436e9 JS |
12375 | ha_copy = lpfc_sli4_eratt_read(phba); |
12376 | break; | |
3772a991 JS |
12377 | default: |
12378 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12379 | "0299 Invalid SLI revision (%d)\n", | |
12380 | phba->sli_rev); | |
12381 | ha_copy = 0; | |
12382 | break; | |
9399627f JS |
12383 | } |
12384 | spin_unlock_irq(&phba->hbalock); | |
3772a991 JS |
12385 | |
12386 | return ha_copy; | |
12387 | } | |
12388 | ||
12389 | /** | |
12390 | * lpfc_intr_state_check - Check device state for interrupt handling | |
12391 | * @phba: Pointer to HBA context. | |
12392 | * | |
12393 | * This inline routine checks whether a device or its PCI slot is in a state | |
12394 | * that the interrupt should be handled. | |
12395 | * | |
12396 | * This function returns 0 if the device or the PCI slot is in a state that | |
12397 | * interrupt should be handled, otherwise -EIO. | |
12398 | */ | |
12399 | static inline int | |
12400 | lpfc_intr_state_check(struct lpfc_hba *phba) | |
12401 | { | |
12402 | /* If the pci channel is offline, ignore all the interrupts */ | |
12403 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
12404 | return -EIO; | |
12405 | ||
12406 | /* Update device level interrupt statistics */ | |
12407 | phba->sli.slistat.sli_intr++; | |
12408 | ||
12409 | /* Ignore all interrupts during initialization. */ | |
12410 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) | |
12411 | return -EIO; | |
12412 | ||
9399627f JS |
12413 | return 0; |
12414 | } | |
12415 | ||
12416 | /** | |
3772a991 | 12417 | * lpfc_sli_sp_intr_handler - Slow-path interrupt handler to SLI-3 device |
e59058c4 JS |
12418 | * @irq: Interrupt number. |
12419 | * @dev_id: The device context pointer. | |
12420 | * | |
9399627f | 12421 | * This function is directly called from the PCI layer as an interrupt |
3772a991 JS |
12422 | * service routine when device with SLI-3 interface spec is enabled with |
12423 | * MSI-X multi-message interrupt mode and there are slow-path events in | |
12424 | * the HBA. However, when the device is enabled with either MSI or Pin-IRQ | |
12425 | * interrupt mode, this function is called as part of the device-level | |
12426 | * interrupt handler. When the PCI slot is in error recovery or the HBA | |
12427 | * is undergoing initialization, the interrupt handler will not process | |
12428 | * the interrupt. The link attention and ELS ring attention events are | |
12429 | * handled by the worker thread. The interrupt handler signals the worker | |
12430 | * thread and returns for these events. This function is called without | |
12431 | * any lock held. It gets the hbalock to access and update SLI data | |
9399627f JS |
12432 | * structures. |
12433 | * | |
12434 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
12435 | * returns IRQ_NONE. | |
e59058c4 | 12436 | **/ |
dea3101e | 12437 | irqreturn_t |
3772a991 | 12438 | lpfc_sli_sp_intr_handler(int irq, void *dev_id) |
dea3101e | 12439 | { |
2e0fef85 | 12440 | struct lpfc_hba *phba; |
a747c9ce | 12441 | uint32_t ha_copy, hc_copy; |
dea3101e | 12442 | uint32_t work_ha_copy; |
12443 | unsigned long status; | |
5b75da2f | 12444 | unsigned long iflag; |
dea3101e | 12445 | uint32_t control; |
12446 | ||
92d7f7b0 | 12447 | MAILBOX_t *mbox, *pmbox; |
858c9f6c JS |
12448 | struct lpfc_vport *vport; |
12449 | struct lpfc_nodelist *ndlp; | |
12450 | struct lpfc_dmabuf *mp; | |
92d7f7b0 JS |
12451 | LPFC_MBOXQ_t *pmb; |
12452 | int rc; | |
12453 | ||
dea3101e | 12454 | /* |
12455 | * Get the driver's phba structure from the dev_id and | |
12456 | * assume the HBA is not interrupting. | |
12457 | */ | |
9399627f | 12458 | phba = (struct lpfc_hba *)dev_id; |
dea3101e | 12459 | |
12460 | if (unlikely(!phba)) | |
12461 | return IRQ_NONE; | |
12462 | ||
dea3101e | 12463 | /* |
9399627f JS |
12464 | * Stuff needs to be attented to when this function is invoked as an |
12465 | * individual interrupt handler in MSI-X multi-message interrupt mode | |
dea3101e | 12466 | */ |
9399627f | 12467 | if (phba->intr_type == MSIX) { |
3772a991 JS |
12468 | /* Check device state for handling interrupt */ |
12469 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
12470 | return IRQ_NONE; |
12471 | /* Need to read HA REG for slow-path events */ | |
5b75da2f | 12472 | spin_lock_irqsave(&phba->hbalock, iflag); |
9940b97b JS |
12473 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
12474 | goto unplug_error; | |
9399627f JS |
12475 | /* If somebody is waiting to handle an eratt don't process it |
12476 | * here. The brdkill function will do this. | |
12477 | */ | |
12478 | if (phba->link_flag & LS_IGNORE_ERATT) | |
12479 | ha_copy &= ~HA_ERATT; | |
12480 | /* Check the need for handling ERATT in interrupt handler */ | |
12481 | if (ha_copy & HA_ERATT) { | |
12482 | if (phba->hba_flag & HBA_ERATT_HANDLED) | |
12483 | /* ERATT polling has handled ERATT */ | |
12484 | ha_copy &= ~HA_ERATT; | |
12485 | else | |
12486 | /* Indicate interrupt handler handles ERATT */ | |
12487 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12488 | } | |
a257bf90 JS |
12489 | |
12490 | /* | |
12491 | * If there is deferred error attention, do not check for any | |
12492 | * interrupt. | |
12493 | */ | |
12494 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
3772a991 | 12495 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a257bf90 JS |
12496 | return IRQ_NONE; |
12497 | } | |
12498 | ||
9399627f | 12499 | /* Clear up only attention source related to slow-path */ |
9940b97b JS |
12500 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) |
12501 | goto unplug_error; | |
12502 | ||
a747c9ce JS |
12503 | writel(hc_copy & ~(HC_MBINT_ENA | HC_R2INT_ENA | |
12504 | HC_LAINT_ENA | HC_ERINT_ENA), | |
12505 | phba->HCregaddr); | |
9399627f JS |
12506 | writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)), |
12507 | phba->HAregaddr); | |
a747c9ce | 12508 | writel(hc_copy, phba->HCregaddr); |
9399627f | 12509 | readl(phba->HAregaddr); /* flush */ |
5b75da2f | 12510 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f JS |
12511 | } else |
12512 | ha_copy = phba->ha_copy; | |
dea3101e | 12513 | |
dea3101e | 12514 | work_ha_copy = ha_copy & phba->work_ha_mask; |
12515 | ||
9399627f | 12516 | if (work_ha_copy) { |
dea3101e | 12517 | if (work_ha_copy & HA_LATT) { |
12518 | if (phba->sli.sli_flag & LPFC_PROCESS_LA) { | |
12519 | /* | |
12520 | * Turn off Link Attention interrupts | |
12521 | * until CLEAR_LA done | |
12522 | */ | |
5b75da2f | 12523 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 12524 | phba->sli.sli_flag &= ~LPFC_PROCESS_LA; |
9940b97b JS |
12525 | if (lpfc_readl(phba->HCregaddr, &control)) |
12526 | goto unplug_error; | |
dea3101e | 12527 | control &= ~HC_LAINT_ENA; |
12528 | writel(control, phba->HCregaddr); | |
12529 | readl(phba->HCregaddr); /* flush */ | |
5b75da2f | 12530 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e | 12531 | } |
12532 | else | |
12533 | work_ha_copy &= ~HA_LATT; | |
12534 | } | |
12535 | ||
9399627f | 12536 | if (work_ha_copy & ~(HA_ERATT | HA_MBATT | HA_LATT)) { |
858c9f6c JS |
12537 | /* |
12538 | * Turn off Slow Rings interrupts, LPFC_ELS_RING is | |
12539 | * the only slow ring. | |
12540 | */ | |
12541 | status = (work_ha_copy & | |
12542 | (HA_RXMASK << (4*LPFC_ELS_RING))); | |
12543 | status >>= (4*LPFC_ELS_RING); | |
12544 | if (status & HA_RXMASK) { | |
5b75da2f | 12545 | spin_lock_irqsave(&phba->hbalock, iflag); |
9940b97b JS |
12546 | if (lpfc_readl(phba->HCregaddr, &control)) |
12547 | goto unplug_error; | |
a58cbd52 JS |
12548 | |
12549 | lpfc_debugfs_slow_ring_trc(phba, | |
12550 | "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x", | |
12551 | control, status, | |
12552 | (uint32_t)phba->sli.slistat.sli_intr); | |
12553 | ||
858c9f6c | 12554 | if (control & (HC_R0INT_ENA << LPFC_ELS_RING)) { |
a58cbd52 JS |
12555 | lpfc_debugfs_slow_ring_trc(phba, |
12556 | "ISR Disable ring:" | |
12557 | "pwork:x%x hawork:x%x wait:x%x", | |
12558 | phba->work_ha, work_ha_copy, | |
12559 | (uint32_t)((unsigned long) | |
5e9d9b82 | 12560 | &phba->work_waitq)); |
a58cbd52 | 12561 | |
858c9f6c JS |
12562 | control &= |
12563 | ~(HC_R0INT_ENA << LPFC_ELS_RING); | |
dea3101e | 12564 | writel(control, phba->HCregaddr); |
12565 | readl(phba->HCregaddr); /* flush */ | |
dea3101e | 12566 | } |
a58cbd52 JS |
12567 | else { |
12568 | lpfc_debugfs_slow_ring_trc(phba, | |
12569 | "ISR slow ring: pwork:" | |
12570 | "x%x hawork:x%x wait:x%x", | |
12571 | phba->work_ha, work_ha_copy, | |
12572 | (uint32_t)((unsigned long) | |
5e9d9b82 | 12573 | &phba->work_waitq)); |
a58cbd52 | 12574 | } |
5b75da2f | 12575 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e | 12576 | } |
12577 | } | |
5b75da2f | 12578 | spin_lock_irqsave(&phba->hbalock, iflag); |
a257bf90 | 12579 | if (work_ha_copy & HA_ERATT) { |
9940b97b JS |
12580 | if (lpfc_sli_read_hs(phba)) |
12581 | goto unplug_error; | |
a257bf90 JS |
12582 | /* |
12583 | * Check if there is a deferred error condition | |
12584 | * is active | |
12585 | */ | |
12586 | if ((HS_FFER1 & phba->work_hs) && | |
12587 | ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | | |
dcf2a4e0 JS |
12588 | HS_FFER6 | HS_FFER7 | HS_FFER8) & |
12589 | phba->work_hs)) { | |
a257bf90 JS |
12590 | phba->hba_flag |= DEFER_ERATT; |
12591 | /* Clear all interrupt enable conditions */ | |
12592 | writel(0, phba->HCregaddr); | |
12593 | readl(phba->HCregaddr); | |
12594 | } | |
12595 | } | |
12596 | ||
9399627f | 12597 | if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) { |
92d7f7b0 | 12598 | pmb = phba->sli.mbox_active; |
04c68496 | 12599 | pmbox = &pmb->u.mb; |
34b02dcd | 12600 | mbox = phba->mbox; |
858c9f6c | 12601 | vport = pmb->vport; |
92d7f7b0 JS |
12602 | |
12603 | /* First check out the status word */ | |
12604 | lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof(uint32_t)); | |
12605 | if (pmbox->mbxOwner != OWN_HOST) { | |
5b75da2f | 12606 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
92d7f7b0 JS |
12607 | /* |
12608 | * Stray Mailbox Interrupt, mbxCommand <cmd> | |
12609 | * mbxStatus <status> | |
12610 | */ | |
09372820 | 12611 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | |
92d7f7b0 | 12612 | LOG_SLI, |
e8b62011 | 12613 | "(%d):0304 Stray Mailbox " |
92d7f7b0 JS |
12614 | "Interrupt mbxCommand x%x " |
12615 | "mbxStatus x%x\n", | |
e8b62011 | 12616 | (vport ? vport->vpi : 0), |
92d7f7b0 JS |
12617 | pmbox->mbxCommand, |
12618 | pmbox->mbxStatus); | |
09372820 JS |
12619 | /* clear mailbox attention bit */ |
12620 | work_ha_copy &= ~HA_MBATT; | |
12621 | } else { | |
97eab634 | 12622 | phba->sli.mbox_active = NULL; |
5b75da2f | 12623 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
09372820 JS |
12624 | phba->last_completion_time = jiffies; |
12625 | del_timer(&phba->sli.mbox_tmo); | |
09372820 JS |
12626 | if (pmb->mbox_cmpl) { |
12627 | lpfc_sli_pcimem_bcopy(mbox, pmbox, | |
12628 | MAILBOX_CMD_SIZE); | |
7a470277 | 12629 | if (pmb->out_ext_byte_len && |
3e1f0718 | 12630 | pmb->ctx_buf) |
7a470277 JS |
12631 | lpfc_sli_pcimem_bcopy( |
12632 | phba->mbox_ext, | |
3e1f0718 | 12633 | pmb->ctx_buf, |
7a470277 | 12634 | pmb->out_ext_byte_len); |
09372820 JS |
12635 | } |
12636 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { | |
12637 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
12638 | ||
12639 | lpfc_debugfs_disc_trc(vport, | |
12640 | LPFC_DISC_TRC_MBOX_VPORT, | |
12641 | "MBOX dflt rpi: : " | |
12642 | "status:x%x rpi:x%x", | |
12643 | (uint32_t)pmbox->mbxStatus, | |
12644 | pmbox->un.varWords[0], 0); | |
12645 | ||
12646 | if (!pmbox->mbxStatus) { | |
12647 | mp = (struct lpfc_dmabuf *) | |
3e1f0718 | 12648 | (pmb->ctx_buf); |
09372820 | 12649 | ndlp = (struct lpfc_nodelist *) |
3e1f0718 | 12650 | pmb->ctx_ndlp; |
09372820 JS |
12651 | |
12652 | /* Reg_LOGIN of dflt RPI was | |
12653 | * successful. new lets get | |
12654 | * rid of the RPI using the | |
12655 | * same mbox buffer. | |
12656 | */ | |
12657 | lpfc_unreg_login(phba, | |
12658 | vport->vpi, | |
12659 | pmbox->un.varWords[0], | |
12660 | pmb); | |
12661 | pmb->mbox_cmpl = | |
12662 | lpfc_mbx_cmpl_dflt_rpi; | |
3e1f0718 JS |
12663 | pmb->ctx_buf = mp; |
12664 | pmb->ctx_ndlp = ndlp; | |
09372820 | 12665 | pmb->vport = vport; |
58da1ffb JS |
12666 | rc = lpfc_sli_issue_mbox(phba, |
12667 | pmb, | |
12668 | MBX_NOWAIT); | |
12669 | if (rc != MBX_BUSY) | |
12670 | lpfc_printf_log(phba, | |
12671 | KERN_ERR, | |
12672 | LOG_MBOX | LOG_SLI, | |
d7c255b2 | 12673 | "0350 rc should have" |
6a9c52cf | 12674 | "been MBX_BUSY\n"); |
3772a991 JS |
12675 | if (rc != MBX_NOT_FINISHED) |
12676 | goto send_current_mbox; | |
09372820 | 12677 | } |
858c9f6c | 12678 | } |
5b75da2f JS |
12679 | spin_lock_irqsave( |
12680 | &phba->pport->work_port_lock, | |
12681 | iflag); | |
09372820 JS |
12682 | phba->pport->work_port_events &= |
12683 | ~WORKER_MBOX_TMO; | |
5b75da2f JS |
12684 | spin_unlock_irqrestore( |
12685 | &phba->pport->work_port_lock, | |
12686 | iflag); | |
09372820 | 12687 | lpfc_mbox_cmpl_put(phba, pmb); |
858c9f6c | 12688 | } |
97eab634 | 12689 | } else |
5b75da2f | 12690 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f | 12691 | |
92d7f7b0 JS |
12692 | if ((work_ha_copy & HA_MBATT) && |
12693 | (phba->sli.mbox_active == NULL)) { | |
858c9f6c | 12694 | send_current_mbox: |
92d7f7b0 | 12695 | /* Process next mailbox command if there is one */ |
58da1ffb JS |
12696 | do { |
12697 | rc = lpfc_sli_issue_mbox(phba, NULL, | |
12698 | MBX_NOWAIT); | |
12699 | } while (rc == MBX_NOT_FINISHED); | |
12700 | if (rc != MBX_SUCCESS) | |
12701 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | | |
12702 | LOG_SLI, "0349 rc should be " | |
6a9c52cf | 12703 | "MBX_SUCCESS\n"); |
92d7f7b0 JS |
12704 | } |
12705 | ||
5b75da2f | 12706 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 12707 | phba->work_ha |= work_ha_copy; |
5b75da2f | 12708 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
5e9d9b82 | 12709 | lpfc_worker_wake_up(phba); |
dea3101e | 12710 | } |
9399627f | 12711 | return IRQ_HANDLED; |
9940b97b JS |
12712 | unplug_error: |
12713 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
12714 | return IRQ_HANDLED; | |
dea3101e | 12715 | |
3772a991 | 12716 | } /* lpfc_sli_sp_intr_handler */ |
9399627f JS |
12717 | |
12718 | /** | |
3772a991 | 12719 | * lpfc_sli_fp_intr_handler - Fast-path interrupt handler to SLI-3 device. |
9399627f JS |
12720 | * @irq: Interrupt number. |
12721 | * @dev_id: The device context pointer. | |
12722 | * | |
12723 | * This function is directly called from the PCI layer as an interrupt | |
3772a991 JS |
12724 | * service routine when device with SLI-3 interface spec is enabled with |
12725 | * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB | |
12726 | * ring event in the HBA. However, when the device is enabled with either | |
12727 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
12728 | * device-level interrupt handler. When the PCI slot is in error recovery | |
12729 | * or the HBA is undergoing initialization, the interrupt handler will not | |
12730 | * process the interrupt. The SCSI FCP fast-path ring event are handled in | |
12731 | * the intrrupt context. This function is called without any lock held. | |
12732 | * It gets the hbalock to access and update SLI data structures. | |
9399627f JS |
12733 | * |
12734 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
12735 | * returns IRQ_NONE. | |
12736 | **/ | |
12737 | irqreturn_t | |
3772a991 | 12738 | lpfc_sli_fp_intr_handler(int irq, void *dev_id) |
9399627f JS |
12739 | { |
12740 | struct lpfc_hba *phba; | |
12741 | uint32_t ha_copy; | |
12742 | unsigned long status; | |
5b75da2f | 12743 | unsigned long iflag; |
895427bd | 12744 | struct lpfc_sli_ring *pring; |
9399627f JS |
12745 | |
12746 | /* Get the driver's phba structure from the dev_id and | |
12747 | * assume the HBA is not interrupting. | |
12748 | */ | |
12749 | phba = (struct lpfc_hba *) dev_id; | |
12750 | ||
12751 | if (unlikely(!phba)) | |
12752 | return IRQ_NONE; | |
12753 | ||
12754 | /* | |
12755 | * Stuff needs to be attented to when this function is invoked as an | |
12756 | * individual interrupt handler in MSI-X multi-message interrupt mode | |
12757 | */ | |
12758 | if (phba->intr_type == MSIX) { | |
3772a991 JS |
12759 | /* Check device state for handling interrupt */ |
12760 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
12761 | return IRQ_NONE; |
12762 | /* Need to read HA REG for FCP ring and other ring events */ | |
9940b97b JS |
12763 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
12764 | return IRQ_HANDLED; | |
9399627f | 12765 | /* Clear up only attention source related to fast-path */ |
5b75da2f | 12766 | spin_lock_irqsave(&phba->hbalock, iflag); |
a257bf90 JS |
12767 | /* |
12768 | * If there is deferred error attention, do not check for | |
12769 | * any interrupt. | |
12770 | */ | |
12771 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
3772a991 | 12772 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a257bf90 JS |
12773 | return IRQ_NONE; |
12774 | } | |
9399627f JS |
12775 | writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)), |
12776 | phba->HAregaddr); | |
12777 | readl(phba->HAregaddr); /* flush */ | |
5b75da2f | 12778 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f JS |
12779 | } else |
12780 | ha_copy = phba->ha_copy; | |
dea3101e | 12781 | |
12782 | /* | |
9399627f | 12783 | * Process all events on FCP ring. Take the optimized path for FCP IO. |
dea3101e | 12784 | */ |
9399627f JS |
12785 | ha_copy &= ~(phba->work_ha_mask); |
12786 | ||
12787 | status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
dea3101e | 12788 | status >>= (4*LPFC_FCP_RING); |
895427bd | 12789 | pring = &phba->sli.sli3_ring[LPFC_FCP_RING]; |
858c9f6c | 12790 | if (status & HA_RXMASK) |
895427bd | 12791 | lpfc_sli_handle_fast_ring_event(phba, pring, status); |
a4bc3379 JS |
12792 | |
12793 | if (phba->cfg_multi_ring_support == 2) { | |
12794 | /* | |
9399627f JS |
12795 | * Process all events on extra ring. Take the optimized path |
12796 | * for extra ring IO. | |
a4bc3379 | 12797 | */ |
9399627f | 12798 | status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); |
a4bc3379 | 12799 | status >>= (4*LPFC_EXTRA_RING); |
858c9f6c | 12800 | if (status & HA_RXMASK) { |
a4bc3379 | 12801 | lpfc_sli_handle_fast_ring_event(phba, |
895427bd | 12802 | &phba->sli.sli3_ring[LPFC_EXTRA_RING], |
a4bc3379 JS |
12803 | status); |
12804 | } | |
12805 | } | |
dea3101e | 12806 | return IRQ_HANDLED; |
3772a991 | 12807 | } /* lpfc_sli_fp_intr_handler */ |
9399627f JS |
12808 | |
12809 | /** | |
3772a991 | 12810 | * lpfc_sli_intr_handler - Device-level interrupt handler to SLI-3 device |
9399627f JS |
12811 | * @irq: Interrupt number. |
12812 | * @dev_id: The device context pointer. | |
12813 | * | |
3772a991 JS |
12814 | * This function is the HBA device-level interrupt handler to device with |
12815 | * SLI-3 interface spec, called from the PCI layer when either MSI or | |
12816 | * Pin-IRQ interrupt mode is enabled and there is an event in the HBA which | |
12817 | * requires driver attention. This function invokes the slow-path interrupt | |
12818 | * attention handling function and fast-path interrupt attention handling | |
12819 | * function in turn to process the relevant HBA attention events. This | |
12820 | * function is called without any lock held. It gets the hbalock to access | |
12821 | * and update SLI data structures. | |
9399627f JS |
12822 | * |
12823 | * This function returns IRQ_HANDLED when interrupt is handled, else it | |
12824 | * returns IRQ_NONE. | |
12825 | **/ | |
12826 | irqreturn_t | |
3772a991 | 12827 | lpfc_sli_intr_handler(int irq, void *dev_id) |
9399627f JS |
12828 | { |
12829 | struct lpfc_hba *phba; | |
12830 | irqreturn_t sp_irq_rc, fp_irq_rc; | |
12831 | unsigned long status1, status2; | |
a747c9ce | 12832 | uint32_t hc_copy; |
9399627f JS |
12833 | |
12834 | /* | |
12835 | * Get the driver's phba structure from the dev_id and | |
12836 | * assume the HBA is not interrupting. | |
12837 | */ | |
12838 | phba = (struct lpfc_hba *) dev_id; | |
12839 | ||
12840 | if (unlikely(!phba)) | |
12841 | return IRQ_NONE; | |
12842 | ||
3772a991 JS |
12843 | /* Check device state for handling interrupt */ |
12844 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
12845 | return IRQ_NONE; |
12846 | ||
12847 | spin_lock(&phba->hbalock); | |
9940b97b JS |
12848 | if (lpfc_readl(phba->HAregaddr, &phba->ha_copy)) { |
12849 | spin_unlock(&phba->hbalock); | |
12850 | return IRQ_HANDLED; | |
12851 | } | |
12852 | ||
9399627f JS |
12853 | if (unlikely(!phba->ha_copy)) { |
12854 | spin_unlock(&phba->hbalock); | |
12855 | return IRQ_NONE; | |
12856 | } else if (phba->ha_copy & HA_ERATT) { | |
12857 | if (phba->hba_flag & HBA_ERATT_HANDLED) | |
12858 | /* ERATT polling has handled ERATT */ | |
12859 | phba->ha_copy &= ~HA_ERATT; | |
12860 | else | |
12861 | /* Indicate interrupt handler handles ERATT */ | |
12862 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12863 | } | |
12864 | ||
a257bf90 JS |
12865 | /* |
12866 | * If there is deferred error attention, do not check for any interrupt. | |
12867 | */ | |
12868 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
ec21b3b0 | 12869 | spin_unlock(&phba->hbalock); |
a257bf90 JS |
12870 | return IRQ_NONE; |
12871 | } | |
12872 | ||
9399627f | 12873 | /* Clear attention sources except link and error attentions */ |
9940b97b JS |
12874 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) { |
12875 | spin_unlock(&phba->hbalock); | |
12876 | return IRQ_HANDLED; | |
12877 | } | |
a747c9ce JS |
12878 | writel(hc_copy & ~(HC_MBINT_ENA | HC_R0INT_ENA | HC_R1INT_ENA |
12879 | | HC_R2INT_ENA | HC_LAINT_ENA | HC_ERINT_ENA), | |
12880 | phba->HCregaddr); | |
9399627f | 12881 | writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); |
a747c9ce | 12882 | writel(hc_copy, phba->HCregaddr); |
9399627f JS |
12883 | readl(phba->HAregaddr); /* flush */ |
12884 | spin_unlock(&phba->hbalock); | |
12885 | ||
12886 | /* | |
12887 | * Invokes slow-path host attention interrupt handling as appropriate. | |
12888 | */ | |
12889 | ||
12890 | /* status of events with mailbox and link attention */ | |
12891 | status1 = phba->ha_copy & (HA_MBATT | HA_LATT | HA_ERATT); | |
12892 | ||
12893 | /* status of events with ELS ring */ | |
12894 | status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
12895 | status2 >>= (4*LPFC_ELS_RING); | |
12896 | ||
12897 | if (status1 || (status2 & HA_RXMASK)) | |
3772a991 | 12898 | sp_irq_rc = lpfc_sli_sp_intr_handler(irq, dev_id); |
9399627f JS |
12899 | else |
12900 | sp_irq_rc = IRQ_NONE; | |
12901 | ||
12902 | /* | |
12903 | * Invoke fast-path host attention interrupt handling as appropriate. | |
12904 | */ | |
12905 | ||
12906 | /* status of events with FCP ring */ | |
12907 | status1 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
12908 | status1 >>= (4*LPFC_FCP_RING); | |
12909 | ||
12910 | /* status of events with extra ring */ | |
12911 | if (phba->cfg_multi_ring_support == 2) { | |
12912 | status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); | |
12913 | status2 >>= (4*LPFC_EXTRA_RING); | |
12914 | } else | |
12915 | status2 = 0; | |
12916 | ||
12917 | if ((status1 & HA_RXMASK) || (status2 & HA_RXMASK)) | |
3772a991 | 12918 | fp_irq_rc = lpfc_sli_fp_intr_handler(irq, dev_id); |
9399627f JS |
12919 | else |
12920 | fp_irq_rc = IRQ_NONE; | |
dea3101e | 12921 | |
9399627f JS |
12922 | /* Return device-level interrupt handling status */ |
12923 | return (sp_irq_rc == IRQ_HANDLED) ? sp_irq_rc : fp_irq_rc; | |
3772a991 | 12924 | } /* lpfc_sli_intr_handler */ |
4f774513 | 12925 | |
4f774513 JS |
12926 | /** |
12927 | * lpfc_sli4_els_xri_abort_event_proc - Process els xri abort event | |
12928 | * @phba: pointer to lpfc hba data structure. | |
12929 | * | |
12930 | * This routine is invoked by the worker thread to process all the pending | |
12931 | * SLI4 els abort xri events. | |
12932 | **/ | |
12933 | void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba) | |
12934 | { | |
12935 | struct lpfc_cq_event *cq_event; | |
12936 | ||
12937 | /* First, declare the els xri abort event has been handled */ | |
12938 | spin_lock_irq(&phba->hbalock); | |
12939 | phba->hba_flag &= ~ELS_XRI_ABORT_EVENT; | |
12940 | spin_unlock_irq(&phba->hbalock); | |
12941 | /* Now, handle all the els xri abort events */ | |
12942 | while (!list_empty(&phba->sli4_hba.sp_els_xri_aborted_work_queue)) { | |
12943 | /* Get the first event from the head of the event queue */ | |
12944 | spin_lock_irq(&phba->hbalock); | |
12945 | list_remove_head(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
12946 | cq_event, struct lpfc_cq_event, list); | |
12947 | spin_unlock_irq(&phba->hbalock); | |
12948 | /* Notify aborted XRI for ELS work queue */ | |
12949 | lpfc_sli4_els_xri_aborted(phba, &cq_event->cqe.wcqe_axri); | |
12950 | /* Free the event processed back to the free pool */ | |
12951 | lpfc_sli4_cq_event_release(phba, cq_event); | |
12952 | } | |
12953 | } | |
12954 | ||
341af102 JS |
12955 | /** |
12956 | * lpfc_sli4_iocb_param_transfer - Transfer pIocbOut and cmpl status to pIocbIn | |
12957 | * @phba: pointer to lpfc hba data structure | |
12958 | * @pIocbIn: pointer to the rspiocbq | |
12959 | * @pIocbOut: pointer to the cmdiocbq | |
12960 | * @wcqe: pointer to the complete wcqe | |
12961 | * | |
12962 | * This routine transfers the fields of a command iocbq to a response iocbq | |
12963 | * by copying all the IOCB fields from command iocbq and transferring the | |
12964 | * completion status information from the complete wcqe. | |
12965 | **/ | |
4f774513 | 12966 | static void |
341af102 JS |
12967 | lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, |
12968 | struct lpfc_iocbq *pIocbIn, | |
4f774513 JS |
12969 | struct lpfc_iocbq *pIocbOut, |
12970 | struct lpfc_wcqe_complete *wcqe) | |
12971 | { | |
af22741c | 12972 | int numBdes, i; |
341af102 | 12973 | unsigned long iflags; |
af22741c JS |
12974 | uint32_t status, max_response; |
12975 | struct lpfc_dmabuf *dmabuf; | |
12976 | struct ulp_bde64 *bpl, bde; | |
4f774513 JS |
12977 | size_t offset = offsetof(struct lpfc_iocbq, iocb); |
12978 | ||
12979 | memcpy((char *)pIocbIn + offset, (char *)pIocbOut + offset, | |
12980 | sizeof(struct lpfc_iocbq) - offset); | |
4f774513 | 12981 | /* Map WCQE parameters into irspiocb parameters */ |
acd6859b JS |
12982 | status = bf_get(lpfc_wcqe_c_status, wcqe); |
12983 | pIocbIn->iocb.ulpStatus = (status & LPFC_IOCB_STATUS_MASK); | |
4f774513 JS |
12984 | if (pIocbOut->iocb_flag & LPFC_IO_FCP) |
12985 | if (pIocbIn->iocb.ulpStatus == IOSTAT_FCP_RSP_ERROR) | |
12986 | pIocbIn->iocb.un.fcpi.fcpi_parm = | |
12987 | pIocbOut->iocb.un.fcpi.fcpi_parm - | |
12988 | wcqe->total_data_placed; | |
12989 | else | |
12990 | pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; | |
695a814e | 12991 | else { |
4f774513 | 12992 | pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; |
af22741c JS |
12993 | switch (pIocbOut->iocb.ulpCommand) { |
12994 | case CMD_ELS_REQUEST64_CR: | |
12995 | dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3; | |
12996 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
12997 | bde.tus.w = le32_to_cpu(bpl[1].tus.w); | |
12998 | max_response = bde.tus.f.bdeSize; | |
12999 | break; | |
13000 | case CMD_GEN_REQUEST64_CR: | |
13001 | max_response = 0; | |
13002 | if (!pIocbOut->context3) | |
13003 | break; | |
13004 | numBdes = pIocbOut->iocb.un.genreq64.bdl.bdeSize/ | |
13005 | sizeof(struct ulp_bde64); | |
13006 | dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3; | |
13007 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
13008 | for (i = 0; i < numBdes; i++) { | |
13009 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); | |
13010 | if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64) | |
13011 | max_response += bde.tus.f.bdeSize; | |
13012 | } | |
13013 | break; | |
13014 | default: | |
13015 | max_response = wcqe->total_data_placed; | |
13016 | break; | |
13017 | } | |
13018 | if (max_response < wcqe->total_data_placed) | |
13019 | pIocbIn->iocb.un.genreq64.bdl.bdeSize = max_response; | |
13020 | else | |
13021 | pIocbIn->iocb.un.genreq64.bdl.bdeSize = | |
13022 | wcqe->total_data_placed; | |
695a814e | 13023 | } |
341af102 | 13024 | |
acd6859b JS |
13025 | /* Convert BG errors for completion status */ |
13026 | if (status == CQE_STATUS_DI_ERROR) { | |
13027 | pIocbIn->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; | |
13028 | ||
13029 | if (bf_get(lpfc_wcqe_c_bg_edir, wcqe)) | |
13030 | pIocbIn->iocb.un.ulpWord[4] = IOERR_RX_DMA_FAILED; | |
13031 | else | |
13032 | pIocbIn->iocb.un.ulpWord[4] = IOERR_TX_DMA_FAILED; | |
13033 | ||
13034 | pIocbIn->iocb.unsli3.sli3_bg.bgstat = 0; | |
13035 | if (bf_get(lpfc_wcqe_c_bg_ge, wcqe)) /* Guard Check failed */ | |
13036 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13037 | BGS_GUARD_ERR_MASK; | |
13038 | if (bf_get(lpfc_wcqe_c_bg_ae, wcqe)) /* App Tag Check failed */ | |
13039 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13040 | BGS_APPTAG_ERR_MASK; | |
13041 | if (bf_get(lpfc_wcqe_c_bg_re, wcqe)) /* Ref Tag Check failed */ | |
13042 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13043 | BGS_REFTAG_ERR_MASK; | |
13044 | ||
13045 | /* Check to see if there was any good data before the error */ | |
13046 | if (bf_get(lpfc_wcqe_c_bg_tdpv, wcqe)) { | |
13047 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13048 | BGS_HI_WATER_MARK_PRESENT_MASK; | |
13049 | pIocbIn->iocb.unsli3.sli3_bg.bghm = | |
13050 | wcqe->total_data_placed; | |
13051 | } | |
13052 | ||
13053 | /* | |
13054 | * Set ALL the error bits to indicate we don't know what | |
13055 | * type of error it is. | |
13056 | */ | |
13057 | if (!pIocbIn->iocb.unsli3.sli3_bg.bgstat) | |
13058 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13059 | (BGS_REFTAG_ERR_MASK | BGS_APPTAG_ERR_MASK | | |
13060 | BGS_GUARD_ERR_MASK); | |
13061 | } | |
13062 | ||
341af102 JS |
13063 | /* Pick up HBA exchange busy condition */ |
13064 | if (bf_get(lpfc_wcqe_c_xb, wcqe)) { | |
13065 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13066 | pIocbIn->iocb_flag |= LPFC_EXCHANGE_BUSY; | |
13067 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13068 | } | |
4f774513 JS |
13069 | } |
13070 | ||
45ed1190 JS |
13071 | /** |
13072 | * lpfc_sli4_els_wcqe_to_rspiocbq - Get response iocbq from els wcqe | |
13073 | * @phba: Pointer to HBA context object. | |
13074 | * @wcqe: Pointer to work-queue completion queue entry. | |
13075 | * | |
13076 | * This routine handles an ELS work-queue completion event and construct | |
13077 | * a pseudo response ELS IODBQ from the SLI4 ELS WCQE for the common | |
13078 | * discovery engine to handle. | |
13079 | * | |
13080 | * Return: Pointer to the receive IOCBQ, NULL otherwise. | |
13081 | **/ | |
13082 | static struct lpfc_iocbq * | |
13083 | lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *phba, | |
13084 | struct lpfc_iocbq *irspiocbq) | |
13085 | { | |
895427bd | 13086 | struct lpfc_sli_ring *pring; |
45ed1190 JS |
13087 | struct lpfc_iocbq *cmdiocbq; |
13088 | struct lpfc_wcqe_complete *wcqe; | |
13089 | unsigned long iflags; | |
13090 | ||
895427bd | 13091 | pring = lpfc_phba_elsring(phba); |
1234a6d5 DK |
13092 | if (unlikely(!pring)) |
13093 | return NULL; | |
895427bd | 13094 | |
45ed1190 | 13095 | wcqe = &irspiocbq->cq_event.cqe.wcqe_cmpl; |
7e56aa25 | 13096 | spin_lock_irqsave(&pring->ring_lock, iflags); |
45ed1190 JS |
13097 | pring->stats.iocb_event++; |
13098 | /* Look up the ELS command IOCB and create pseudo response IOCB */ | |
13099 | cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, | |
13100 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
45ed1190 | 13101 | if (unlikely(!cmdiocbq)) { |
401bb416 | 13102 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
45ed1190 JS |
13103 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
13104 | "0386 ELS complete with no corresponding " | |
401bb416 DK |
13105 | "cmdiocb: 0x%x 0x%x 0x%x 0x%x\n", |
13106 | wcqe->word0, wcqe->total_data_placed, | |
13107 | wcqe->parameter, wcqe->word3); | |
45ed1190 JS |
13108 | lpfc_sli_release_iocbq(phba, irspiocbq); |
13109 | return NULL; | |
13110 | } | |
13111 | ||
401bb416 DK |
13112 | /* Put the iocb back on the txcmplq */ |
13113 | lpfc_sli_ringtxcmpl_put(phba, pring, cmdiocbq); | |
13114 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
13115 | ||
45ed1190 | 13116 | /* Fake the irspiocbq and copy necessary response information */ |
341af102 | 13117 | lpfc_sli4_iocb_param_transfer(phba, irspiocbq, cmdiocbq, wcqe); |
45ed1190 JS |
13118 | |
13119 | return irspiocbq; | |
13120 | } | |
13121 | ||
8a5ca109 JS |
13122 | inline struct lpfc_cq_event * |
13123 | lpfc_cq_event_setup(struct lpfc_hba *phba, void *entry, int size) | |
13124 | { | |
13125 | struct lpfc_cq_event *cq_event; | |
13126 | ||
13127 | /* Allocate a new internal CQ_EVENT entry */ | |
13128 | cq_event = lpfc_sli4_cq_event_alloc(phba); | |
13129 | if (!cq_event) { | |
13130 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13131 | "0602 Failed to alloc CQ_EVENT entry\n"); | |
13132 | return NULL; | |
13133 | } | |
13134 | ||
13135 | /* Move the CQE into the event */ | |
13136 | memcpy(&cq_event->cqe, entry, size); | |
13137 | return cq_event; | |
13138 | } | |
13139 | ||
04c68496 JS |
13140 | /** |
13141 | * lpfc_sli4_sp_handle_async_event - Handle an asynchroous event | |
13142 | * @phba: Pointer to HBA context object. | |
13143 | * @cqe: Pointer to mailbox completion queue entry. | |
13144 | * | |
13145 | * This routine process a mailbox completion queue entry with asynchrous | |
13146 | * event. | |
13147 | * | |
13148 | * Return: true if work posted to worker thread, otherwise false. | |
13149 | **/ | |
13150 | static bool | |
13151 | lpfc_sli4_sp_handle_async_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe) | |
13152 | { | |
13153 | struct lpfc_cq_event *cq_event; | |
13154 | unsigned long iflags; | |
13155 | ||
13156 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
13157 | "0392 Async Event: word0:x%x, word1:x%x, " | |
13158 | "word2:x%x, word3:x%x\n", mcqe->word0, | |
13159 | mcqe->mcqe_tag0, mcqe->mcqe_tag1, mcqe->trailer); | |
13160 | ||
8a5ca109 JS |
13161 | cq_event = lpfc_cq_event_setup(phba, mcqe, sizeof(struct lpfc_mcqe)); |
13162 | if (!cq_event) | |
04c68496 | 13163 | return false; |
04c68496 JS |
13164 | spin_lock_irqsave(&phba->hbalock, iflags); |
13165 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_asynce_work_queue); | |
13166 | /* Set the async event flag */ | |
13167 | phba->hba_flag |= ASYNC_EVENT; | |
13168 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13169 | ||
13170 | return true; | |
13171 | } | |
13172 | ||
13173 | /** | |
13174 | * lpfc_sli4_sp_handle_mbox_event - Handle a mailbox completion event | |
13175 | * @phba: Pointer to HBA context object. | |
13176 | * @cqe: Pointer to mailbox completion queue entry. | |
13177 | * | |
13178 | * This routine process a mailbox completion queue entry with mailbox | |
13179 | * completion event. | |
13180 | * | |
13181 | * Return: true if work posted to worker thread, otherwise false. | |
13182 | **/ | |
13183 | static bool | |
13184 | lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe) | |
13185 | { | |
13186 | uint32_t mcqe_status; | |
13187 | MAILBOX_t *mbox, *pmbox; | |
13188 | struct lpfc_mqe *mqe; | |
13189 | struct lpfc_vport *vport; | |
13190 | struct lpfc_nodelist *ndlp; | |
13191 | struct lpfc_dmabuf *mp; | |
13192 | unsigned long iflags; | |
13193 | LPFC_MBOXQ_t *pmb; | |
13194 | bool workposted = false; | |
13195 | int rc; | |
13196 | ||
13197 | /* If not a mailbox complete MCQE, out by checking mailbox consume */ | |
13198 | if (!bf_get(lpfc_trailer_completed, mcqe)) | |
13199 | goto out_no_mqe_complete; | |
13200 | ||
13201 | /* Get the reference to the active mbox command */ | |
13202 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13203 | pmb = phba->sli.mbox_active; | |
13204 | if (unlikely(!pmb)) { | |
13205 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
13206 | "1832 No pending MBOX command to handle\n"); | |
13207 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13208 | goto out_no_mqe_complete; | |
13209 | } | |
13210 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13211 | mqe = &pmb->u.mqe; | |
13212 | pmbox = (MAILBOX_t *)&pmb->u.mqe; | |
13213 | mbox = phba->mbox; | |
13214 | vport = pmb->vport; | |
13215 | ||
13216 | /* Reset heartbeat timer */ | |
13217 | phba->last_completion_time = jiffies; | |
13218 | del_timer(&phba->sli.mbox_tmo); | |
13219 | ||
13220 | /* Move mbox data to caller's mailbox region, do endian swapping */ | |
13221 | if (pmb->mbox_cmpl && mbox) | |
48f8fdb4 | 13222 | lpfc_sli4_pcimem_bcopy(mbox, mqe, sizeof(struct lpfc_mqe)); |
04c68496 | 13223 | |
73d91e50 JS |
13224 | /* |
13225 | * For mcqe errors, conditionally move a modified error code to | |
13226 | * the mbox so that the error will not be missed. | |
13227 | */ | |
13228 | mcqe_status = bf_get(lpfc_mcqe_status, mcqe); | |
13229 | if (mcqe_status != MB_CQE_STATUS_SUCCESS) { | |
13230 | if (bf_get(lpfc_mqe_status, mqe) == MBX_SUCCESS) | |
13231 | bf_set(lpfc_mqe_status, mqe, | |
13232 | (LPFC_MBX_ERROR_RANGE | mcqe_status)); | |
13233 | } | |
04c68496 JS |
13234 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { |
13235 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
13236 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_MBOX_VPORT, | |
13237 | "MBOX dflt rpi: status:x%x rpi:x%x", | |
13238 | mcqe_status, | |
13239 | pmbox->un.varWords[0], 0); | |
13240 | if (mcqe_status == MB_CQE_STATUS_SUCCESS) { | |
3e1f0718 JS |
13241 | mp = (struct lpfc_dmabuf *)(pmb->ctx_buf); |
13242 | ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp; | |
04c68496 JS |
13243 | /* Reg_LOGIN of dflt RPI was successful. Now lets get |
13244 | * RID of the PPI using the same mbox buffer. | |
13245 | */ | |
13246 | lpfc_unreg_login(phba, vport->vpi, | |
13247 | pmbox->un.varWords[0], pmb); | |
13248 | pmb->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
3e1f0718 JS |
13249 | pmb->ctx_buf = mp; |
13250 | pmb->ctx_ndlp = ndlp; | |
04c68496 JS |
13251 | pmb->vport = vport; |
13252 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
13253 | if (rc != MBX_BUSY) | |
13254 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | | |
13255 | LOG_SLI, "0385 rc should " | |
13256 | "have been MBX_BUSY\n"); | |
13257 | if (rc != MBX_NOT_FINISHED) | |
13258 | goto send_current_mbox; | |
13259 | } | |
13260 | } | |
13261 | spin_lock_irqsave(&phba->pport->work_port_lock, iflags); | |
13262 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
13263 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags); | |
13264 | ||
13265 | /* There is mailbox completion work to do */ | |
13266 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13267 | __lpfc_mbox_cmpl_put(phba, pmb); | |
13268 | phba->work_ha |= HA_MBATT; | |
13269 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13270 | workposted = true; | |
13271 | ||
13272 | send_current_mbox: | |
13273 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13274 | /* Release the mailbox command posting token */ | |
13275 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
13276 | /* Setting active mailbox pointer need to be in sync to flag clear */ | |
13277 | phba->sli.mbox_active = NULL; | |
13278 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13279 | /* Wake up worker thread to post the next pending mailbox command */ | |
13280 | lpfc_worker_wake_up(phba); | |
13281 | out_no_mqe_complete: | |
13282 | if (bf_get(lpfc_trailer_consumed, mcqe)) | |
13283 | lpfc_sli4_mq_release(phba->sli4_hba.mbx_wq); | |
13284 | return workposted; | |
13285 | } | |
13286 | ||
13287 | /** | |
13288 | * lpfc_sli4_sp_handle_mcqe - Process a mailbox completion queue entry | |
13289 | * @phba: Pointer to HBA context object. | |
13290 | * @cqe: Pointer to mailbox completion queue entry. | |
13291 | * | |
13292 | * This routine process a mailbox completion queue entry, it invokes the | |
13293 | * proper mailbox complete handling or asynchrous event handling routine | |
13294 | * according to the MCQE's async bit. | |
13295 | * | |
13296 | * Return: true if work posted to worker thread, otherwise false. | |
13297 | **/ | |
13298 | static bool | |
13299 | lpfc_sli4_sp_handle_mcqe(struct lpfc_hba *phba, struct lpfc_cqe *cqe) | |
13300 | { | |
13301 | struct lpfc_mcqe mcqe; | |
13302 | bool workposted; | |
13303 | ||
13304 | /* Copy the mailbox MCQE and convert endian order as needed */ | |
48f8fdb4 | 13305 | lpfc_sli4_pcimem_bcopy(cqe, &mcqe, sizeof(struct lpfc_mcqe)); |
04c68496 JS |
13306 | |
13307 | /* Invoke the proper event handling routine */ | |
13308 | if (!bf_get(lpfc_trailer_async, &mcqe)) | |
13309 | workposted = lpfc_sli4_sp_handle_mbox_event(phba, &mcqe); | |
13310 | else | |
13311 | workposted = lpfc_sli4_sp_handle_async_event(phba, &mcqe); | |
13312 | return workposted; | |
13313 | } | |
13314 | ||
4f774513 JS |
13315 | /** |
13316 | * lpfc_sli4_sp_handle_els_wcqe - Handle els work-queue completion event | |
13317 | * @phba: Pointer to HBA context object. | |
2a76a283 | 13318 | * @cq: Pointer to associated CQ |
4f774513 JS |
13319 | * @wcqe: Pointer to work-queue completion queue entry. |
13320 | * | |
13321 | * This routine handles an ELS work-queue completion event. | |
13322 | * | |
13323 | * Return: true if work posted to worker thread, otherwise false. | |
13324 | **/ | |
13325 | static bool | |
2a76a283 | 13326 | lpfc_sli4_sp_handle_els_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
13327 | struct lpfc_wcqe_complete *wcqe) |
13328 | { | |
4f774513 JS |
13329 | struct lpfc_iocbq *irspiocbq; |
13330 | unsigned long iflags; | |
2a76a283 | 13331 | struct lpfc_sli_ring *pring = cq->pring; |
0e9bb8d7 JS |
13332 | int txq_cnt = 0; |
13333 | int txcmplq_cnt = 0; | |
13334 | int fcp_txcmplq_cnt = 0; | |
4f774513 | 13335 | |
11f0e34f JS |
13336 | /* Check for response status */ |
13337 | if (unlikely(bf_get(lpfc_wcqe_c_status, wcqe))) { | |
13338 | /* Log the error status */ | |
13339 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
13340 | "0357 ELS CQE error: status=x%x: " | |
13341 | "CQE: %08x %08x %08x %08x\n", | |
13342 | bf_get(lpfc_wcqe_c_status, wcqe), | |
13343 | wcqe->word0, wcqe->total_data_placed, | |
13344 | wcqe->parameter, wcqe->word3); | |
13345 | } | |
13346 | ||
45ed1190 | 13347 | /* Get an irspiocbq for later ELS response processing use */ |
4f774513 JS |
13348 | irspiocbq = lpfc_sli_get_iocbq(phba); |
13349 | if (!irspiocbq) { | |
0e9bb8d7 JS |
13350 | if (!list_empty(&pring->txq)) |
13351 | txq_cnt++; | |
13352 | if (!list_empty(&pring->txcmplq)) | |
13353 | txcmplq_cnt++; | |
4f774513 | 13354 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
2a9bf3d0 JS |
13355 | "0387 NO IOCBQ data: txq_cnt=%d iocb_cnt=%d " |
13356 | "fcp_txcmplq_cnt=%d, els_txcmplq_cnt=%d\n", | |
0e9bb8d7 JS |
13357 | txq_cnt, phba->iocb_cnt, |
13358 | fcp_txcmplq_cnt, | |
13359 | txcmplq_cnt); | |
45ed1190 | 13360 | return false; |
4f774513 | 13361 | } |
4f774513 | 13362 | |
45ed1190 JS |
13363 | /* Save off the slow-path queue event for work thread to process */ |
13364 | memcpy(&irspiocbq->cq_event.cqe.wcqe_cmpl, wcqe, sizeof(*wcqe)); | |
4f774513 | 13365 | spin_lock_irqsave(&phba->hbalock, iflags); |
4d9ab994 | 13366 | list_add_tail(&irspiocbq->cq_event.list, |
45ed1190 JS |
13367 | &phba->sli4_hba.sp_queue_event); |
13368 | phba->hba_flag |= HBA_SP_QUEUE_EVT; | |
4f774513 | 13369 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
4f774513 | 13370 | |
45ed1190 | 13371 | return true; |
4f774513 JS |
13372 | } |
13373 | ||
13374 | /** | |
13375 | * lpfc_sli4_sp_handle_rel_wcqe - Handle slow-path WQ entry consumed event | |
13376 | * @phba: Pointer to HBA context object. | |
13377 | * @wcqe: Pointer to work-queue completion queue entry. | |
13378 | * | |
3f8b6fb7 | 13379 | * This routine handles slow-path WQ entry consumed event by invoking the |
4f774513 JS |
13380 | * proper WQ release routine to the slow-path WQ. |
13381 | **/ | |
13382 | static void | |
13383 | lpfc_sli4_sp_handle_rel_wcqe(struct lpfc_hba *phba, | |
13384 | struct lpfc_wcqe_release *wcqe) | |
13385 | { | |
2e90f4b5 JS |
13386 | /* sanity check on queue memory */ |
13387 | if (unlikely(!phba->sli4_hba.els_wq)) | |
13388 | return; | |
4f774513 JS |
13389 | /* Check for the slow-path ELS work queue */ |
13390 | if (bf_get(lpfc_wcqe_r_wq_id, wcqe) == phba->sli4_hba.els_wq->queue_id) | |
13391 | lpfc_sli4_wq_release(phba->sli4_hba.els_wq, | |
13392 | bf_get(lpfc_wcqe_r_wqe_index, wcqe)); | |
13393 | else | |
13394 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13395 | "2579 Slow-path wqe consume event carries " | |
13396 | "miss-matched qid: wcqe-qid=x%x, sp-qid=x%x\n", | |
13397 | bf_get(lpfc_wcqe_r_wqe_index, wcqe), | |
13398 | phba->sli4_hba.els_wq->queue_id); | |
13399 | } | |
13400 | ||
13401 | /** | |
13402 | * lpfc_sli4_sp_handle_abort_xri_wcqe - Handle a xri abort event | |
13403 | * @phba: Pointer to HBA context object. | |
13404 | * @cq: Pointer to a WQ completion queue. | |
13405 | * @wcqe: Pointer to work-queue completion queue entry. | |
13406 | * | |
13407 | * This routine handles an XRI abort event. | |
13408 | * | |
13409 | * Return: true if work posted to worker thread, otherwise false. | |
13410 | **/ | |
13411 | static bool | |
13412 | lpfc_sli4_sp_handle_abort_xri_wcqe(struct lpfc_hba *phba, | |
13413 | struct lpfc_queue *cq, | |
13414 | struct sli4_wcqe_xri_aborted *wcqe) | |
13415 | { | |
13416 | bool workposted = false; | |
13417 | struct lpfc_cq_event *cq_event; | |
13418 | unsigned long iflags; | |
13419 | ||
4f774513 JS |
13420 | switch (cq->subtype) { |
13421 | case LPFC_FCP: | |
5e5b511d JS |
13422 | lpfc_sli4_fcp_xri_aborted(phba, wcqe, cq->hdwq); |
13423 | workposted = false; | |
4f774513 | 13424 | break; |
422c4cb7 | 13425 | case LPFC_NVME_LS: /* NVME LS uses ELS resources */ |
4f774513 | 13426 | case LPFC_ELS: |
8a5ca109 JS |
13427 | cq_event = lpfc_cq_event_setup( |
13428 | phba, wcqe, sizeof(struct sli4_wcqe_xri_aborted)); | |
13429 | if (!cq_event) | |
13430 | return false; | |
5e5b511d | 13431 | cq_event->hdwq = cq->hdwq; |
4f774513 JS |
13432 | spin_lock_irqsave(&phba->hbalock, iflags); |
13433 | list_add_tail(&cq_event->list, | |
13434 | &phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
13435 | /* Set the els xri abort event flag */ | |
13436 | phba->hba_flag |= ELS_XRI_ABORT_EVENT; | |
13437 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13438 | workposted = true; | |
13439 | break; | |
318083ad | 13440 | case LPFC_NVME: |
8a5ca109 JS |
13441 | /* Notify aborted XRI for NVME work queue */ |
13442 | if (phba->nvmet_support) | |
13443 | lpfc_sli4_nvmet_xri_aborted(phba, wcqe); | |
13444 | else | |
5e5b511d | 13445 | lpfc_sli4_nvme_xri_aborted(phba, wcqe, cq->hdwq); |
8a5ca109 JS |
13446 | |
13447 | workposted = false; | |
318083ad | 13448 | break; |
4f774513 JS |
13449 | default: |
13450 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
318083ad JS |
13451 | "0603 Invalid CQ subtype %d: " |
13452 | "%08x %08x %08x %08x\n", | |
13453 | cq->subtype, wcqe->word0, wcqe->parameter, | |
13454 | wcqe->word2, wcqe->word3); | |
4f774513 JS |
13455 | workposted = false; |
13456 | break; | |
13457 | } | |
13458 | return workposted; | |
13459 | } | |
13460 | ||
e817e5d7 JS |
13461 | #define FC_RCTL_MDS_DIAGS 0xF4 |
13462 | ||
4f774513 JS |
13463 | /** |
13464 | * lpfc_sli4_sp_handle_rcqe - Process a receive-queue completion queue entry | |
13465 | * @phba: Pointer to HBA context object. | |
13466 | * @rcqe: Pointer to receive-queue completion queue entry. | |
13467 | * | |
13468 | * This routine process a receive-queue completion queue entry. | |
13469 | * | |
13470 | * Return: true if work posted to worker thread, otherwise false. | |
13471 | **/ | |
13472 | static bool | |
4d9ab994 | 13473 | lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) |
4f774513 | 13474 | { |
4f774513 | 13475 | bool workposted = false; |
e817e5d7 | 13476 | struct fc_frame_header *fc_hdr; |
4f774513 JS |
13477 | struct lpfc_queue *hrq = phba->sli4_hba.hdr_rq; |
13478 | struct lpfc_queue *drq = phba->sli4_hba.dat_rq; | |
547077a4 | 13479 | struct lpfc_nvmet_tgtport *tgtp; |
4f774513 | 13480 | struct hbq_dmabuf *dma_buf; |
7851fe2c | 13481 | uint32_t status, rq_id; |
4f774513 JS |
13482 | unsigned long iflags; |
13483 | ||
2e90f4b5 JS |
13484 | /* sanity check on queue memory */ |
13485 | if (unlikely(!hrq) || unlikely(!drq)) | |
13486 | return workposted; | |
13487 | ||
7851fe2c JS |
13488 | if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1) |
13489 | rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe); | |
13490 | else | |
13491 | rq_id = bf_get(lpfc_rcqe_rq_id, rcqe); | |
13492 | if (rq_id != hrq->queue_id) | |
4f774513 JS |
13493 | goto out; |
13494 | ||
4d9ab994 | 13495 | status = bf_get(lpfc_rcqe_status, rcqe); |
4f774513 JS |
13496 | switch (status) { |
13497 | case FC_STATUS_RQ_BUF_LEN_EXCEEDED: | |
13498 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13499 | "2537 Receive Frame Truncated!!\n"); | |
13500 | case FC_STATUS_RQ_SUCCESS: | |
13501 | spin_lock_irqsave(&phba->hbalock, iflags); | |
cbc5de1b | 13502 | lpfc_sli4_rq_release(hrq, drq); |
4f774513 JS |
13503 | dma_buf = lpfc_sli_hbqbuf_get(&phba->hbqs[0].hbq_buffer_list); |
13504 | if (!dma_buf) { | |
b84daac9 | 13505 | hrq->RQ_no_buf_found++; |
4f774513 JS |
13506 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
13507 | goto out; | |
13508 | } | |
b84daac9 | 13509 | hrq->RQ_rcv_buf++; |
547077a4 | 13510 | hrq->RQ_buf_posted--; |
4d9ab994 | 13511 | memcpy(&dma_buf->cq_event.cqe.rcqe_cmpl, rcqe, sizeof(*rcqe)); |
895427bd | 13512 | |
e817e5d7 JS |
13513 | fc_hdr = (struct fc_frame_header *)dma_buf->hbuf.virt; |
13514 | ||
13515 | if (fc_hdr->fh_r_ctl == FC_RCTL_MDS_DIAGS || | |
13516 | fc_hdr->fh_r_ctl == FC_RCTL_DD_UNSOL_DATA) { | |
13517 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13518 | /* Handle MDS Loopback frames */ | |
13519 | lpfc_sli4_handle_mds_loopback(phba->pport, dma_buf); | |
13520 | break; | |
13521 | } | |
13522 | ||
13523 | /* save off the frame for the work thread to process */ | |
4d9ab994 | 13524 | list_add_tail(&dma_buf->cq_event.list, |
45ed1190 | 13525 | &phba->sli4_hba.sp_queue_event); |
4f774513 | 13526 | /* Frame received */ |
45ed1190 | 13527 | phba->hba_flag |= HBA_SP_QUEUE_EVT; |
4f774513 JS |
13528 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
13529 | workposted = true; | |
13530 | break; | |
4f774513 | 13531 | case FC_STATUS_INSUFF_BUF_FRM_DISC: |
547077a4 JS |
13532 | if (phba->nvmet_support) { |
13533 | tgtp = phba->targetport->private; | |
13534 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_NVME, | |
13535 | "6402 RQE Error x%x, posted %d err_cnt " | |
13536 | "%d: %x %x %x\n", | |
13537 | status, hrq->RQ_buf_posted, | |
13538 | hrq->RQ_no_posted_buf, | |
13539 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
13540 | atomic_read(&tgtp->rcv_fcp_cmd_out), | |
13541 | atomic_read(&tgtp->xmt_fcp_release)); | |
13542 | } | |
13543 | /* fallthrough */ | |
13544 | ||
13545 | case FC_STATUS_INSUFF_BUF_NEED_BUF: | |
b84daac9 | 13546 | hrq->RQ_no_posted_buf++; |
4f774513 JS |
13547 | /* Post more buffers if possible */ |
13548 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13549 | phba->hba_flag |= HBA_POST_RECEIVE_BUFFER; | |
13550 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13551 | workposted = true; | |
13552 | break; | |
13553 | } | |
13554 | out: | |
13555 | return workposted; | |
4f774513 JS |
13556 | } |
13557 | ||
4d9ab994 JS |
13558 | /** |
13559 | * lpfc_sli4_sp_handle_cqe - Process a slow path completion queue entry | |
13560 | * @phba: Pointer to HBA context object. | |
13561 | * @cq: Pointer to the completion queue. | |
13562 | * @wcqe: Pointer to a completion queue entry. | |
13563 | * | |
25985edc | 13564 | * This routine process a slow-path work-queue or receive queue completion queue |
4d9ab994 JS |
13565 | * entry. |
13566 | * | |
13567 | * Return: true if work posted to worker thread, otherwise false. | |
13568 | **/ | |
13569 | static bool | |
13570 | lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
13571 | struct lpfc_cqe *cqe) | |
13572 | { | |
45ed1190 | 13573 | struct lpfc_cqe cqevt; |
4d9ab994 JS |
13574 | bool workposted = false; |
13575 | ||
13576 | /* Copy the work queue CQE and convert endian order if needed */ | |
48f8fdb4 | 13577 | lpfc_sli4_pcimem_bcopy(cqe, &cqevt, sizeof(struct lpfc_cqe)); |
4d9ab994 JS |
13578 | |
13579 | /* Check and process for different type of WCQE and dispatch */ | |
45ed1190 | 13580 | switch (bf_get(lpfc_cqe_code, &cqevt)) { |
4d9ab994 | 13581 | case CQE_CODE_COMPL_WQE: |
45ed1190 | 13582 | /* Process the WQ/RQ complete event */ |
bc73905a | 13583 | phba->last_completion_time = jiffies; |
2a76a283 | 13584 | workposted = lpfc_sli4_sp_handle_els_wcqe(phba, cq, |
45ed1190 | 13585 | (struct lpfc_wcqe_complete *)&cqevt); |
4d9ab994 JS |
13586 | break; |
13587 | case CQE_CODE_RELEASE_WQE: | |
13588 | /* Process the WQ release event */ | |
13589 | lpfc_sli4_sp_handle_rel_wcqe(phba, | |
45ed1190 | 13590 | (struct lpfc_wcqe_release *)&cqevt); |
4d9ab994 JS |
13591 | break; |
13592 | case CQE_CODE_XRI_ABORTED: | |
13593 | /* Process the WQ XRI abort event */ | |
bc73905a | 13594 | phba->last_completion_time = jiffies; |
4d9ab994 | 13595 | workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq, |
45ed1190 | 13596 | (struct sli4_wcqe_xri_aborted *)&cqevt); |
4d9ab994 JS |
13597 | break; |
13598 | case CQE_CODE_RECEIVE: | |
7851fe2c | 13599 | case CQE_CODE_RECEIVE_V1: |
4d9ab994 | 13600 | /* Process the RQ event */ |
bc73905a | 13601 | phba->last_completion_time = jiffies; |
4d9ab994 | 13602 | workposted = lpfc_sli4_sp_handle_rcqe(phba, |
45ed1190 | 13603 | (struct lpfc_rcqe *)&cqevt); |
4d9ab994 JS |
13604 | break; |
13605 | default: | |
13606 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13607 | "0388 Not a valid WCQE code: x%x\n", | |
45ed1190 | 13608 | bf_get(lpfc_cqe_code, &cqevt)); |
4d9ab994 JS |
13609 | break; |
13610 | } | |
13611 | return workposted; | |
13612 | } | |
13613 | ||
4f774513 JS |
13614 | /** |
13615 | * lpfc_sli4_sp_handle_eqe - Process a slow-path event queue entry | |
13616 | * @phba: Pointer to HBA context object. | |
13617 | * @eqe: Pointer to fast-path event queue entry. | |
13618 | * | |
13619 | * This routine process a event queue entry from the slow-path event queue. | |
13620 | * It will check the MajorCode and MinorCode to determine this is for a | |
13621 | * completion event on a completion queue, if not, an error shall be logged | |
13622 | * and just return. Otherwise, it will get to the corresponding completion | |
13623 | * queue and process all the entries on that completion queue, rearm the | |
13624 | * completion queue, and then return. | |
13625 | * | |
13626 | **/ | |
f485c18d | 13627 | static void |
67d12733 JS |
13628 | lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, |
13629 | struct lpfc_queue *speq) | |
4f774513 | 13630 | { |
67d12733 | 13631 | struct lpfc_queue *cq = NULL, *childq; |
4f774513 JS |
13632 | uint16_t cqid; |
13633 | ||
4f774513 | 13634 | /* Get the reference to the corresponding CQ */ |
cb5172ea | 13635 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); |
4f774513 | 13636 | |
4f774513 JS |
13637 | list_for_each_entry(childq, &speq->child_list, list) { |
13638 | if (childq->queue_id == cqid) { | |
13639 | cq = childq; | |
13640 | break; | |
13641 | } | |
13642 | } | |
13643 | if (unlikely(!cq)) { | |
75baf696 JS |
13644 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) |
13645 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13646 | "0365 Slow-path CQ identifier " | |
13647 | "(%d) does not exist\n", cqid); | |
f485c18d | 13648 | return; |
4f774513 JS |
13649 | } |
13650 | ||
895427bd JS |
13651 | /* Save EQ associated with this CQ */ |
13652 | cq->assoc_qp = speq; | |
13653 | ||
f485c18d DK |
13654 | if (!queue_work(phba->wq, &cq->spwork)) |
13655 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13656 | "0390 Cannot schedule soft IRQ " | |
13657 | "for CQ eqcqid=%d, cqid=%d on CPU %d\n", | |
13658 | cqid, cq->queue_id, smp_processor_id()); | |
13659 | } | |
13660 | ||
13661 | /** | |
13662 | * lpfc_sli4_sp_process_cq - Process a slow-path event queue entry | |
13663 | * @phba: Pointer to HBA context object. | |
13664 | * | |
13665 | * This routine process a event queue entry from the slow-path event queue. | |
13666 | * It will check the MajorCode and MinorCode to determine this is for a | |
13667 | * completion event on a completion queue, if not, an error shall be logged | |
13668 | * and just return. Otherwise, it will get to the corresponding completion | |
13669 | * queue and process all the entries on that completion queue, rearm the | |
13670 | * completion queue, and then return. | |
13671 | * | |
13672 | **/ | |
13673 | static void | |
13674 | lpfc_sli4_sp_process_cq(struct work_struct *work) | |
13675 | { | |
13676 | struct lpfc_queue *cq = | |
13677 | container_of(work, struct lpfc_queue, spwork); | |
13678 | struct lpfc_hba *phba = cq->phba; | |
13679 | struct lpfc_cqe *cqe; | |
13680 | bool workposted = false; | |
13681 | int ccount = 0; | |
13682 | ||
4f774513 JS |
13683 | /* Process all the entries to the CQ */ |
13684 | switch (cq->type) { | |
13685 | case LPFC_MCQ: | |
13686 | while ((cqe = lpfc_sli4_cq_get(cq))) { | |
13687 | workposted |= lpfc_sli4_sp_handle_mcqe(phba, cqe); | |
f485c18d | 13688 | if (!(++ccount % cq->entry_repost)) |
7869da18 | 13689 | break; |
b84daac9 | 13690 | cq->CQ_mbox++; |
4f774513 JS |
13691 | } |
13692 | break; | |
13693 | case LPFC_WCQ: | |
13694 | while ((cqe = lpfc_sli4_cq_get(cq))) { | |
c8a4ce0b DK |
13695 | if (cq->subtype == LPFC_FCP || |
13696 | cq->subtype == LPFC_NVME) { | |
13697 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS | |
13698 | if (phba->ktime_on) | |
13699 | cq->isr_timestamp = ktime_get_ns(); | |
13700 | else | |
13701 | cq->isr_timestamp = 0; | |
13702 | #endif | |
895427bd | 13703 | workposted |= lpfc_sli4_fp_handle_cqe(phba, cq, |
0558056c | 13704 | cqe); |
c8a4ce0b | 13705 | } else { |
0558056c JS |
13706 | workposted |= lpfc_sli4_sp_handle_cqe(phba, cq, |
13707 | cqe); | |
c8a4ce0b | 13708 | } |
f485c18d | 13709 | if (!(++ccount % cq->entry_repost)) |
7869da18 | 13710 | break; |
4f774513 | 13711 | } |
b84daac9 JS |
13712 | |
13713 | /* Track the max number of CQEs processed in 1 EQ */ | |
f485c18d DK |
13714 | if (ccount > cq->CQ_max_cqe) |
13715 | cq->CQ_max_cqe = ccount; | |
4f774513 JS |
13716 | break; |
13717 | default: | |
13718 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13719 | "0370 Invalid completion queue type (%d)\n", | |
13720 | cq->type); | |
f485c18d | 13721 | return; |
4f774513 JS |
13722 | } |
13723 | ||
13724 | /* Catch the no cq entry condition, log an error */ | |
f485c18d | 13725 | if (unlikely(ccount == 0)) |
4f774513 JS |
13726 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
13727 | "0371 No entry from the CQ: identifier " | |
13728 | "(x%x), type (%d)\n", cq->queue_id, cq->type); | |
13729 | ||
13730 | /* In any case, flash and re-arm the RCQ */ | |
b71413dd | 13731 | phba->sli4_hba.sli4_cq_release(cq, LPFC_QUEUE_REARM); |
4f774513 JS |
13732 | |
13733 | /* wake up worker thread if there are works to be done */ | |
13734 | if (workposted) | |
13735 | lpfc_worker_wake_up(phba); | |
13736 | } | |
13737 | ||
13738 | /** | |
13739 | * lpfc_sli4_fp_handle_fcp_wcqe - Process fast-path work queue completion entry | |
2a76a283 JS |
13740 | * @phba: Pointer to HBA context object. |
13741 | * @cq: Pointer to associated CQ | |
13742 | * @wcqe: Pointer to work-queue completion queue entry. | |
4f774513 JS |
13743 | * |
13744 | * This routine process a fast-path work queue completion entry from fast-path | |
13745 | * event queue for FCP command response completion. | |
13746 | **/ | |
13747 | static void | |
2a76a283 | 13748 | lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
13749 | struct lpfc_wcqe_complete *wcqe) |
13750 | { | |
2a76a283 | 13751 | struct lpfc_sli_ring *pring = cq->pring; |
4f774513 JS |
13752 | struct lpfc_iocbq *cmdiocbq; |
13753 | struct lpfc_iocbq irspiocbq; | |
13754 | unsigned long iflags; | |
13755 | ||
4f774513 JS |
13756 | /* Check for response status */ |
13757 | if (unlikely(bf_get(lpfc_wcqe_c_status, wcqe))) { | |
13758 | /* If resource errors reported from HBA, reduce queue | |
13759 | * depth of the SCSI device. | |
13760 | */ | |
e3d2b802 JS |
13761 | if (((bf_get(lpfc_wcqe_c_status, wcqe) == |
13762 | IOSTAT_LOCAL_REJECT)) && | |
13763 | ((wcqe->parameter & IOERR_PARAM_MASK) == | |
13764 | IOERR_NO_RESOURCES)) | |
4f774513 | 13765 | phba->lpfc_rampdown_queue_depth(phba); |
e3d2b802 | 13766 | |
4f774513 | 13767 | /* Log the error status */ |
11f0e34f JS |
13768 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
13769 | "0373 FCP CQE error: status=x%x: " | |
13770 | "CQE: %08x %08x %08x %08x\n", | |
4f774513 | 13771 | bf_get(lpfc_wcqe_c_status, wcqe), |
11f0e34f JS |
13772 | wcqe->word0, wcqe->total_data_placed, |
13773 | wcqe->parameter, wcqe->word3); | |
4f774513 JS |
13774 | } |
13775 | ||
13776 | /* Look up the FCP command IOCB and create pseudo response IOCB */ | |
7e56aa25 JS |
13777 | spin_lock_irqsave(&pring->ring_lock, iflags); |
13778 | pring->stats.iocb_event++; | |
4f774513 JS |
13779 | cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, |
13780 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
7e56aa25 | 13781 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
4f774513 JS |
13782 | if (unlikely(!cmdiocbq)) { |
13783 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13784 | "0374 FCP complete with no corresponding " | |
13785 | "cmdiocb: iotag (%d)\n", | |
13786 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
13787 | return; | |
13788 | } | |
c8a4ce0b DK |
13789 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
13790 | cmdiocbq->isr_timestamp = cq->isr_timestamp; | |
13791 | #endif | |
895427bd JS |
13792 | if (cmdiocbq->iocb_cmpl == NULL) { |
13793 | if (cmdiocbq->wqe_cmpl) { | |
13794 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) { | |
13795 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13796 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
13797 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13798 | } | |
13799 | ||
13800 | /* Pass the cmd_iocb and the wcqe to the upper layer */ | |
13801 | (cmdiocbq->wqe_cmpl)(phba, cmdiocbq, wcqe); | |
13802 | return; | |
13803 | } | |
4f774513 JS |
13804 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
13805 | "0375 FCP cmdiocb not callback function " | |
13806 | "iotag: (%d)\n", | |
13807 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
13808 | return; | |
13809 | } | |
13810 | ||
13811 | /* Fake the irspiocb and copy necessary response information */ | |
341af102 | 13812 | lpfc_sli4_iocb_param_transfer(phba, &irspiocbq, cmdiocbq, wcqe); |
4f774513 | 13813 | |
0f65ff68 JS |
13814 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) { |
13815 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13816 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
13817 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13818 | } | |
13819 | ||
4f774513 JS |
13820 | /* Pass the cmd_iocb and the rsp state to the upper layer */ |
13821 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, &irspiocbq); | |
13822 | } | |
13823 | ||
13824 | /** | |
13825 | * lpfc_sli4_fp_handle_rel_wcqe - Handle fast-path WQ entry consumed event | |
13826 | * @phba: Pointer to HBA context object. | |
13827 | * @cq: Pointer to completion queue. | |
13828 | * @wcqe: Pointer to work-queue completion queue entry. | |
13829 | * | |
3f8b6fb7 | 13830 | * This routine handles an fast-path WQ entry consumed event by invoking the |
4f774513 JS |
13831 | * proper WQ release routine to the slow-path WQ. |
13832 | **/ | |
13833 | static void | |
13834 | lpfc_sli4_fp_handle_rel_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
13835 | struct lpfc_wcqe_release *wcqe) | |
13836 | { | |
13837 | struct lpfc_queue *childwq; | |
13838 | bool wqid_matched = false; | |
895427bd | 13839 | uint16_t hba_wqid; |
4f774513 JS |
13840 | |
13841 | /* Check for fast-path FCP work queue release */ | |
895427bd | 13842 | hba_wqid = bf_get(lpfc_wcqe_r_wq_id, wcqe); |
4f774513 | 13843 | list_for_each_entry(childwq, &cq->child_list, list) { |
895427bd | 13844 | if (childwq->queue_id == hba_wqid) { |
4f774513 JS |
13845 | lpfc_sli4_wq_release(childwq, |
13846 | bf_get(lpfc_wcqe_r_wqe_index, wcqe)); | |
6e8e1c14 JS |
13847 | if (childwq->q_flag & HBA_NVMET_WQFULL) |
13848 | lpfc_nvmet_wqfull_process(phba, childwq); | |
4f774513 JS |
13849 | wqid_matched = true; |
13850 | break; | |
13851 | } | |
13852 | } | |
13853 | /* Report warning log message if no match found */ | |
13854 | if (wqid_matched != true) | |
13855 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13856 | "2580 Fast-path wqe consume event carries " | |
895427bd | 13857 | "miss-matched qid: wcqe-qid=x%x\n", hba_wqid); |
4f774513 JS |
13858 | } |
13859 | ||
13860 | /** | |
2d7dbc4c JS |
13861 | * lpfc_sli4_nvmet_handle_rcqe - Process a receive-queue completion queue entry |
13862 | * @phba: Pointer to HBA context object. | |
13863 | * @rcqe: Pointer to receive-queue completion queue entry. | |
4f774513 | 13864 | * |
2d7dbc4c JS |
13865 | * This routine process a receive-queue completion queue entry. |
13866 | * | |
13867 | * Return: true if work posted to worker thread, otherwise false. | |
13868 | **/ | |
13869 | static bool | |
13870 | lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
13871 | struct lpfc_rcqe *rcqe) | |
13872 | { | |
13873 | bool workposted = false; | |
13874 | struct lpfc_queue *hrq; | |
13875 | struct lpfc_queue *drq; | |
13876 | struct rqb_dmabuf *dma_buf; | |
13877 | struct fc_frame_header *fc_hdr; | |
547077a4 | 13878 | struct lpfc_nvmet_tgtport *tgtp; |
2d7dbc4c JS |
13879 | uint32_t status, rq_id; |
13880 | unsigned long iflags; | |
13881 | uint32_t fctl, idx; | |
13882 | ||
13883 | if ((phba->nvmet_support == 0) || | |
13884 | (phba->sli4_hba.nvmet_cqset == NULL)) | |
13885 | return workposted; | |
13886 | ||
13887 | idx = cq->queue_id - phba->sli4_hba.nvmet_cqset[0]->queue_id; | |
13888 | hrq = phba->sli4_hba.nvmet_mrq_hdr[idx]; | |
13889 | drq = phba->sli4_hba.nvmet_mrq_data[idx]; | |
13890 | ||
13891 | /* sanity check on queue memory */ | |
13892 | if (unlikely(!hrq) || unlikely(!drq)) | |
13893 | return workposted; | |
13894 | ||
13895 | if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1) | |
13896 | rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe); | |
13897 | else | |
13898 | rq_id = bf_get(lpfc_rcqe_rq_id, rcqe); | |
13899 | ||
13900 | if ((phba->nvmet_support == 0) || | |
13901 | (rq_id != hrq->queue_id)) | |
13902 | return workposted; | |
13903 | ||
13904 | status = bf_get(lpfc_rcqe_status, rcqe); | |
13905 | switch (status) { | |
13906 | case FC_STATUS_RQ_BUF_LEN_EXCEEDED: | |
13907 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13908 | "6126 Receive Frame Truncated!!\n"); | |
78e1d200 | 13909 | /* Drop thru */ |
2d7dbc4c | 13910 | case FC_STATUS_RQ_SUCCESS: |
2d7dbc4c | 13911 | spin_lock_irqsave(&phba->hbalock, iflags); |
cbc5de1b | 13912 | lpfc_sli4_rq_release(hrq, drq); |
2d7dbc4c JS |
13913 | dma_buf = lpfc_sli_rqbuf_get(phba, hrq); |
13914 | if (!dma_buf) { | |
13915 | hrq->RQ_no_buf_found++; | |
13916 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13917 | goto out; | |
13918 | } | |
13919 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13920 | hrq->RQ_rcv_buf++; | |
547077a4 | 13921 | hrq->RQ_buf_posted--; |
2d7dbc4c JS |
13922 | fc_hdr = (struct fc_frame_header *)dma_buf->hbuf.virt; |
13923 | ||
13924 | /* Just some basic sanity checks on FCP Command frame */ | |
13925 | fctl = (fc_hdr->fh_f_ctl[0] << 16 | | |
13926 | fc_hdr->fh_f_ctl[1] << 8 | | |
13927 | fc_hdr->fh_f_ctl[2]); | |
13928 | if (((fctl & | |
13929 | (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) != | |
13930 | (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) || | |
13931 | (fc_hdr->fh_seq_cnt != 0)) /* 0 byte swapped is still 0 */ | |
13932 | goto drop; | |
13933 | ||
13934 | if (fc_hdr->fh_type == FC_TYPE_FCP) { | |
13935 | dma_buf->bytes_recv = bf_get(lpfc_rcqe_length, rcqe); | |
d613b6a7 | 13936 | lpfc_nvmet_unsol_fcp_event( |
66d7ce93 | 13937 | phba, idx, dma_buf, |
c8a4ce0b | 13938 | cq->isr_timestamp); |
2d7dbc4c JS |
13939 | return false; |
13940 | } | |
13941 | drop: | |
13942 | lpfc_in_buf_free(phba, &dma_buf->dbuf); | |
13943 | break; | |
2d7dbc4c | 13944 | case FC_STATUS_INSUFF_BUF_FRM_DISC: |
547077a4 JS |
13945 | if (phba->nvmet_support) { |
13946 | tgtp = phba->targetport->private; | |
13947 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_NVME, | |
13948 | "6401 RQE Error x%x, posted %d err_cnt " | |
13949 | "%d: %x %x %x\n", | |
13950 | status, hrq->RQ_buf_posted, | |
13951 | hrq->RQ_no_posted_buf, | |
13952 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
13953 | atomic_read(&tgtp->rcv_fcp_cmd_out), | |
13954 | atomic_read(&tgtp->xmt_fcp_release)); | |
13955 | } | |
13956 | /* fallthrough */ | |
13957 | ||
13958 | case FC_STATUS_INSUFF_BUF_NEED_BUF: | |
2d7dbc4c JS |
13959 | hrq->RQ_no_posted_buf++; |
13960 | /* Post more buffers if possible */ | |
2d7dbc4c JS |
13961 | break; |
13962 | } | |
13963 | out: | |
13964 | return workposted; | |
13965 | } | |
13966 | ||
4f774513 | 13967 | /** |
895427bd | 13968 | * lpfc_sli4_fp_handle_cqe - Process fast-path work queue completion entry |
4f774513 JS |
13969 | * @cq: Pointer to the completion queue. |
13970 | * @eqe: Pointer to fast-path completion queue entry. | |
13971 | * | |
13972 | * This routine process a fast-path work queue completion entry from fast-path | |
13973 | * event queue for FCP command response completion. | |
13974 | **/ | |
13975 | static int | |
895427bd | 13976 | lpfc_sli4_fp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
13977 | struct lpfc_cqe *cqe) |
13978 | { | |
13979 | struct lpfc_wcqe_release wcqe; | |
13980 | bool workposted = false; | |
13981 | ||
13982 | /* Copy the work queue CQE and convert endian order if needed */ | |
48f8fdb4 | 13983 | lpfc_sli4_pcimem_bcopy(cqe, &wcqe, sizeof(struct lpfc_cqe)); |
4f774513 JS |
13984 | |
13985 | /* Check and process for different type of WCQE and dispatch */ | |
13986 | switch (bf_get(lpfc_wcqe_c_code, &wcqe)) { | |
13987 | case CQE_CODE_COMPL_WQE: | |
895427bd | 13988 | case CQE_CODE_NVME_ERSP: |
b84daac9 | 13989 | cq->CQ_wq++; |
4f774513 | 13990 | /* Process the WQ complete event */ |
98fc5dd9 | 13991 | phba->last_completion_time = jiffies; |
895427bd JS |
13992 | if ((cq->subtype == LPFC_FCP) || (cq->subtype == LPFC_NVME)) |
13993 | lpfc_sli4_fp_handle_fcp_wcqe(phba, cq, | |
13994 | (struct lpfc_wcqe_complete *)&wcqe); | |
13995 | if (cq->subtype == LPFC_NVME_LS) | |
13996 | lpfc_sli4_fp_handle_fcp_wcqe(phba, cq, | |
4f774513 JS |
13997 | (struct lpfc_wcqe_complete *)&wcqe); |
13998 | break; | |
13999 | case CQE_CODE_RELEASE_WQE: | |
b84daac9 | 14000 | cq->CQ_release_wqe++; |
4f774513 JS |
14001 | /* Process the WQ release event */ |
14002 | lpfc_sli4_fp_handle_rel_wcqe(phba, cq, | |
14003 | (struct lpfc_wcqe_release *)&wcqe); | |
14004 | break; | |
14005 | case CQE_CODE_XRI_ABORTED: | |
b84daac9 | 14006 | cq->CQ_xri_aborted++; |
4f774513 | 14007 | /* Process the WQ XRI abort event */ |
bc73905a | 14008 | phba->last_completion_time = jiffies; |
4f774513 JS |
14009 | workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq, |
14010 | (struct sli4_wcqe_xri_aborted *)&wcqe); | |
14011 | break; | |
895427bd JS |
14012 | case CQE_CODE_RECEIVE_V1: |
14013 | case CQE_CODE_RECEIVE: | |
14014 | phba->last_completion_time = jiffies; | |
2d7dbc4c JS |
14015 | if (cq->subtype == LPFC_NVMET) { |
14016 | workposted = lpfc_sli4_nvmet_handle_rcqe( | |
14017 | phba, cq, (struct lpfc_rcqe *)&wcqe); | |
14018 | } | |
895427bd | 14019 | break; |
4f774513 JS |
14020 | default: |
14021 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
895427bd | 14022 | "0144 Not a valid CQE code: x%x\n", |
4f774513 JS |
14023 | bf_get(lpfc_wcqe_c_code, &wcqe)); |
14024 | break; | |
14025 | } | |
14026 | return workposted; | |
14027 | } | |
14028 | ||
14029 | /** | |
67d12733 | 14030 | * lpfc_sli4_hba_handle_eqe - Process a fast-path event queue entry |
4f774513 JS |
14031 | * @phba: Pointer to HBA context object. |
14032 | * @eqe: Pointer to fast-path event queue entry. | |
14033 | * | |
14034 | * This routine process a event queue entry from the fast-path event queue. | |
14035 | * It will check the MajorCode and MinorCode to determine this is for a | |
14036 | * completion event on a completion queue, if not, an error shall be logged | |
14037 | * and just return. Otherwise, it will get to the corresponding completion | |
14038 | * queue and process all the entries on the completion queue, rearm the | |
14039 | * completion queue, and then return. | |
14040 | **/ | |
f485c18d | 14041 | static void |
67d12733 JS |
14042 | lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, |
14043 | uint32_t qidx) | |
4f774513 | 14044 | { |
895427bd | 14045 | struct lpfc_queue *cq = NULL; |
2d7dbc4c | 14046 | uint16_t cqid, id; |
4f774513 | 14047 | |
cb5172ea | 14048 | if (unlikely(bf_get_le32(lpfc_eqe_major_code, eqe) != 0)) { |
4f774513 | 14049 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
67d12733 | 14050 | "0366 Not a valid completion " |
4f774513 | 14051 | "event: majorcode=x%x, minorcode=x%x\n", |
cb5172ea JS |
14052 | bf_get_le32(lpfc_eqe_major_code, eqe), |
14053 | bf_get_le32(lpfc_eqe_minor_code, eqe)); | |
f485c18d | 14054 | return; |
4f774513 JS |
14055 | } |
14056 | ||
67d12733 JS |
14057 | /* Get the reference to the corresponding CQ */ |
14058 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); | |
14059 | ||
cdb42bec | 14060 | /* First check for NVME/SCSI completion */ |
5e5b511d JS |
14061 | if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) && |
14062 | (cqid == phba->sli4_hba.hdwq[qidx].nvme_cq_map)) { | |
cdb42bec JS |
14063 | /* Process NVME / NVMET command completion */ |
14064 | cq = phba->sli4_hba.hdwq[qidx].nvme_cq; | |
14065 | goto process_cq; | |
14066 | } | |
14067 | ||
14068 | if (cqid == phba->sli4_hba.hdwq[qidx].fcp_cq_map) { | |
14069 | /* Process FCP command completion */ | |
14070 | cq = phba->sli4_hba.hdwq[qidx].fcp_cq; | |
14071 | goto process_cq; | |
14072 | } | |
14073 | ||
14074 | /* Next check for NVMET completion */ | |
2d7dbc4c JS |
14075 | if (phba->cfg_nvmet_mrq && phba->sli4_hba.nvmet_cqset) { |
14076 | id = phba->sli4_hba.nvmet_cqset[0]->queue_id; | |
14077 | if ((cqid >= id) && (cqid < (id + phba->cfg_nvmet_mrq))) { | |
14078 | /* Process NVMET unsol rcv */ | |
14079 | cq = phba->sli4_hba.nvmet_cqset[cqid - id]; | |
14080 | goto process_cq; | |
14081 | } | |
67d12733 JS |
14082 | } |
14083 | ||
895427bd JS |
14084 | if (phba->sli4_hba.nvmels_cq && |
14085 | (cqid == phba->sli4_hba.nvmels_cq->queue_id)) { | |
14086 | /* Process NVME unsol rcv */ | |
14087 | cq = phba->sli4_hba.nvmels_cq; | |
14088 | } | |
14089 | ||
14090 | /* Otherwise this is a Slow path event */ | |
14091 | if (cq == NULL) { | |
cdb42bec JS |
14092 | lpfc_sli4_sp_handle_eqe(phba, eqe, |
14093 | phba->sli4_hba.hdwq[qidx].hba_eq); | |
f485c18d | 14094 | return; |
4f774513 JS |
14095 | } |
14096 | ||
895427bd | 14097 | process_cq: |
4f774513 JS |
14098 | if (unlikely(cqid != cq->queue_id)) { |
14099 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14100 | "0368 Miss-matched fast-path completion " | |
14101 | "queue identifier: eqcqid=%d, fcpcqid=%d\n", | |
14102 | cqid, cq->queue_id); | |
f485c18d | 14103 | return; |
4f774513 JS |
14104 | } |
14105 | ||
895427bd | 14106 | /* Save EQ associated with this CQ */ |
cdb42bec | 14107 | cq->assoc_qp = phba->sli4_hba.hdwq[qidx].hba_eq; |
895427bd | 14108 | |
f485c18d DK |
14109 | if (!queue_work(phba->wq, &cq->irqwork)) |
14110 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14111 | "0363 Cannot schedule soft IRQ " | |
14112 | "for CQ eqcqid=%d, cqid=%d on CPU %d\n", | |
14113 | cqid, cq->queue_id, smp_processor_id()); | |
14114 | } | |
14115 | ||
14116 | /** | |
14117 | * lpfc_sli4_hba_process_cq - Process a fast-path event queue entry | |
14118 | * @phba: Pointer to HBA context object. | |
14119 | * @eqe: Pointer to fast-path event queue entry. | |
14120 | * | |
14121 | * This routine process a event queue entry from the fast-path event queue. | |
14122 | * It will check the MajorCode and MinorCode to determine this is for a | |
14123 | * completion event on a completion queue, if not, an error shall be logged | |
14124 | * and just return. Otherwise, it will get to the corresponding completion | |
14125 | * queue and process all the entries on the completion queue, rearm the | |
14126 | * completion queue, and then return. | |
14127 | **/ | |
14128 | static void | |
14129 | lpfc_sli4_hba_process_cq(struct work_struct *work) | |
14130 | { | |
14131 | struct lpfc_queue *cq = | |
14132 | container_of(work, struct lpfc_queue, irqwork); | |
14133 | struct lpfc_hba *phba = cq->phba; | |
14134 | struct lpfc_cqe *cqe; | |
14135 | bool workposted = false; | |
14136 | int ccount = 0; | |
14137 | ||
4f774513 JS |
14138 | /* Process all the entries to the CQ */ |
14139 | while ((cqe = lpfc_sli4_cq_get(cq))) { | |
c8a4ce0b DK |
14140 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
14141 | if (phba->ktime_on) | |
14142 | cq->isr_timestamp = ktime_get_ns(); | |
14143 | else | |
14144 | cq->isr_timestamp = 0; | |
14145 | #endif | |
895427bd | 14146 | workposted |= lpfc_sli4_fp_handle_cqe(phba, cq, cqe); |
f485c18d | 14147 | if (!(++ccount % cq->entry_repost)) |
7869da18 | 14148 | break; |
4f774513 JS |
14149 | } |
14150 | ||
b84daac9 | 14151 | /* Track the max number of CQEs processed in 1 EQ */ |
f485c18d DK |
14152 | if (ccount > cq->CQ_max_cqe) |
14153 | cq->CQ_max_cqe = ccount; | |
14154 | cq->assoc_qp->EQ_cqe_cnt += ccount; | |
b84daac9 | 14155 | |
4f774513 | 14156 | /* Catch the no cq entry condition */ |
f485c18d | 14157 | if (unlikely(ccount == 0)) |
4f774513 JS |
14158 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
14159 | "0369 No entry from fast-path completion " | |
14160 | "queue fcpcqid=%d\n", cq->queue_id); | |
14161 | ||
14162 | /* In any case, flash and re-arm the CQ */ | |
b71413dd | 14163 | phba->sli4_hba.sli4_cq_release(cq, LPFC_QUEUE_REARM); |
4f774513 JS |
14164 | |
14165 | /* wake up worker thread if there are works to be done */ | |
14166 | if (workposted) | |
14167 | lpfc_worker_wake_up(phba); | |
14168 | } | |
14169 | ||
14170 | static void | |
14171 | lpfc_sli4_eq_flush(struct lpfc_hba *phba, struct lpfc_queue *eq) | |
14172 | { | |
14173 | struct lpfc_eqe *eqe; | |
14174 | ||
14175 | /* walk all the EQ entries and drop on the floor */ | |
14176 | while ((eqe = lpfc_sli4_eq_get(eq))) | |
14177 | ; | |
14178 | ||
14179 | /* Clear and re-arm the EQ */ | |
b71413dd | 14180 | phba->sli4_hba.sli4_eq_release(eq, LPFC_QUEUE_REARM); |
4f774513 JS |
14181 | } |
14182 | ||
1ba981fd | 14183 | |
4f774513 | 14184 | /** |
67d12733 | 14185 | * lpfc_sli4_hba_intr_handler - HBA interrupt handler to SLI-4 device |
4f774513 JS |
14186 | * @irq: Interrupt number. |
14187 | * @dev_id: The device context pointer. | |
14188 | * | |
14189 | * This function is directly called from the PCI layer as an interrupt | |
14190 | * service routine when device with SLI-4 interface spec is enabled with | |
14191 | * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB | |
14192 | * ring event in the HBA. However, when the device is enabled with either | |
14193 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
14194 | * device-level interrupt handler. When the PCI slot is in error recovery | |
14195 | * or the HBA is undergoing initialization, the interrupt handler will not | |
14196 | * process the interrupt. The SCSI FCP fast-path ring event are handled in | |
14197 | * the intrrupt context. This function is called without any lock held. | |
14198 | * It gets the hbalock to access and update SLI data structures. Note that, | |
14199 | * the FCP EQ to FCP CQ are one-to-one map such that the FCP EQ index is | |
14200 | * equal to that of FCP CQ index. | |
14201 | * | |
67d12733 JS |
14202 | * The link attention and ELS ring attention events are handled |
14203 | * by the worker thread. The interrupt handler signals the worker thread | |
14204 | * and returns for these events. This function is called without any lock | |
14205 | * held. It gets the hbalock to access and update SLI data structures. | |
14206 | * | |
4f774513 JS |
14207 | * This function returns IRQ_HANDLED when interrupt is handled else it |
14208 | * returns IRQ_NONE. | |
14209 | **/ | |
14210 | irqreturn_t | |
67d12733 | 14211 | lpfc_sli4_hba_intr_handler(int irq, void *dev_id) |
4f774513 JS |
14212 | { |
14213 | struct lpfc_hba *phba; | |
895427bd | 14214 | struct lpfc_hba_eq_hdl *hba_eq_hdl; |
4f774513 JS |
14215 | struct lpfc_queue *fpeq; |
14216 | struct lpfc_eqe *eqe; | |
14217 | unsigned long iflag; | |
14218 | int ecount = 0; | |
895427bd | 14219 | int hba_eqidx; |
4f774513 JS |
14220 | |
14221 | /* Get the driver's phba structure from the dev_id */ | |
895427bd JS |
14222 | hba_eq_hdl = (struct lpfc_hba_eq_hdl *)dev_id; |
14223 | phba = hba_eq_hdl->phba; | |
14224 | hba_eqidx = hba_eq_hdl->idx; | |
4f774513 JS |
14225 | |
14226 | if (unlikely(!phba)) | |
14227 | return IRQ_NONE; | |
cdb42bec | 14228 | if (unlikely(!phba->sli4_hba.hdwq)) |
5350d872 | 14229 | return IRQ_NONE; |
4f774513 JS |
14230 | |
14231 | /* Get to the EQ struct associated with this vector */ | |
cdb42bec | 14232 | fpeq = phba->sli4_hba.hdwq[hba_eqidx].hba_eq; |
2e90f4b5 JS |
14233 | if (unlikely(!fpeq)) |
14234 | return IRQ_NONE; | |
4f774513 | 14235 | |
ba20c853 | 14236 | if (lpfc_fcp_look_ahead) { |
895427bd | 14237 | if (atomic_dec_and_test(&hba_eq_hdl->hba_eq_in_use)) |
b71413dd | 14238 | phba->sli4_hba.sli4_eq_clr_intr(fpeq); |
ba20c853 | 14239 | else { |
895427bd | 14240 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
ba20c853 JS |
14241 | return IRQ_NONE; |
14242 | } | |
14243 | } | |
14244 | ||
4f774513 JS |
14245 | /* Check device state for handling interrupt */ |
14246 | if (unlikely(lpfc_intr_state_check(phba))) { | |
14247 | /* Check again for link_state with lock held */ | |
14248 | spin_lock_irqsave(&phba->hbalock, iflag); | |
14249 | if (phba->link_state < LPFC_LINK_DOWN) | |
14250 | /* Flush, clear interrupt, and rearm the EQ */ | |
14251 | lpfc_sli4_eq_flush(phba, fpeq); | |
14252 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
ba20c853 | 14253 | if (lpfc_fcp_look_ahead) |
895427bd | 14254 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
4f774513 JS |
14255 | return IRQ_NONE; |
14256 | } | |
14257 | ||
14258 | /* | |
14259 | * Process all the event on FCP fast-path EQ | |
14260 | */ | |
14261 | while ((eqe = lpfc_sli4_eq_get(fpeq))) { | |
f485c18d DK |
14262 | lpfc_sli4_hba_handle_eqe(phba, eqe, hba_eqidx); |
14263 | if (!(++ecount % fpeq->entry_repost)) | |
7869da18 | 14264 | break; |
b84daac9 | 14265 | fpeq->EQ_processed++; |
4f774513 JS |
14266 | } |
14267 | ||
b84daac9 JS |
14268 | /* Track the max number of EQEs processed in 1 intr */ |
14269 | if (ecount > fpeq->EQ_max_eqe) | |
14270 | fpeq->EQ_max_eqe = ecount; | |
14271 | ||
4f774513 | 14272 | /* Always clear and re-arm the fast-path EQ */ |
b71413dd | 14273 | phba->sli4_hba.sli4_eq_release(fpeq, LPFC_QUEUE_REARM); |
4f774513 JS |
14274 | |
14275 | if (unlikely(ecount == 0)) { | |
b84daac9 | 14276 | fpeq->EQ_no_entry++; |
ba20c853 JS |
14277 | |
14278 | if (lpfc_fcp_look_ahead) { | |
895427bd | 14279 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
ba20c853 JS |
14280 | return IRQ_NONE; |
14281 | } | |
14282 | ||
4f774513 JS |
14283 | if (phba->intr_type == MSIX) |
14284 | /* MSI-X treated interrupt served as no EQ share INT */ | |
14285 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
14286 | "0358 MSI-X interrupt with no EQE\n"); | |
14287 | else | |
14288 | /* Non MSI-X treated on interrupt as EQ share INT */ | |
14289 | return IRQ_NONE; | |
14290 | } | |
14291 | ||
ba20c853 | 14292 | if (lpfc_fcp_look_ahead) |
895427bd JS |
14293 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
14294 | ||
4f774513 JS |
14295 | return IRQ_HANDLED; |
14296 | } /* lpfc_sli4_fp_intr_handler */ | |
14297 | ||
14298 | /** | |
14299 | * lpfc_sli4_intr_handler - Device-level interrupt handler for SLI-4 device | |
14300 | * @irq: Interrupt number. | |
14301 | * @dev_id: The device context pointer. | |
14302 | * | |
14303 | * This function is the device-level interrupt handler to device with SLI-4 | |
14304 | * interface spec, called from the PCI layer when either MSI or Pin-IRQ | |
14305 | * interrupt mode is enabled and there is an event in the HBA which requires | |
14306 | * driver attention. This function invokes the slow-path interrupt attention | |
14307 | * handling function and fast-path interrupt attention handling function in | |
14308 | * turn to process the relevant HBA attention events. This function is called | |
14309 | * without any lock held. It gets the hbalock to access and update SLI data | |
14310 | * structures. | |
14311 | * | |
14312 | * This function returns IRQ_HANDLED when interrupt is handled, else it | |
14313 | * returns IRQ_NONE. | |
14314 | **/ | |
14315 | irqreturn_t | |
14316 | lpfc_sli4_intr_handler(int irq, void *dev_id) | |
14317 | { | |
14318 | struct lpfc_hba *phba; | |
67d12733 JS |
14319 | irqreturn_t hba_irq_rc; |
14320 | bool hba_handled = false; | |
895427bd | 14321 | int qidx; |
4f774513 JS |
14322 | |
14323 | /* Get the driver's phba structure from the dev_id */ | |
14324 | phba = (struct lpfc_hba *)dev_id; | |
14325 | ||
14326 | if (unlikely(!phba)) | |
14327 | return IRQ_NONE; | |
14328 | ||
4f774513 JS |
14329 | /* |
14330 | * Invoke fast-path host attention interrupt handling as appropriate. | |
14331 | */ | |
cdb42bec | 14332 | for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { |
67d12733 | 14333 | hba_irq_rc = lpfc_sli4_hba_intr_handler(irq, |
895427bd | 14334 | &phba->sli4_hba.hba_eq_hdl[qidx]); |
67d12733 | 14335 | if (hba_irq_rc == IRQ_HANDLED) |
1ba981fd JS |
14336 | hba_handled |= true; |
14337 | } | |
14338 | ||
67d12733 | 14339 | return (hba_handled == true) ? IRQ_HANDLED : IRQ_NONE; |
4f774513 JS |
14340 | } /* lpfc_sli4_intr_handler */ |
14341 | ||
14342 | /** | |
14343 | * lpfc_sli4_queue_free - free a queue structure and associated memory | |
14344 | * @queue: The queue structure to free. | |
14345 | * | |
b595076a | 14346 | * This function frees a queue structure and the DMAable memory used for |
4f774513 JS |
14347 | * the host resident queue. This function must be called after destroying the |
14348 | * queue on the HBA. | |
14349 | **/ | |
14350 | void | |
14351 | lpfc_sli4_queue_free(struct lpfc_queue *queue) | |
14352 | { | |
14353 | struct lpfc_dmabuf *dmabuf; | |
14354 | ||
14355 | if (!queue) | |
14356 | return; | |
14357 | ||
14358 | while (!list_empty(&queue->page_list)) { | |
14359 | list_remove_head(&queue->page_list, dmabuf, struct lpfc_dmabuf, | |
14360 | list); | |
81b96eda | 14361 | dma_free_coherent(&queue->phba->pcidev->dev, queue->page_size, |
4f774513 JS |
14362 | dmabuf->virt, dmabuf->phys); |
14363 | kfree(dmabuf); | |
14364 | } | |
895427bd JS |
14365 | if (queue->rqbp) { |
14366 | lpfc_free_rq_buffer(queue->phba, queue); | |
14367 | kfree(queue->rqbp); | |
14368 | } | |
d1f525aa JS |
14369 | |
14370 | if (!list_empty(&queue->wq_list)) | |
14371 | list_del(&queue->wq_list); | |
14372 | ||
4f774513 JS |
14373 | kfree(queue); |
14374 | return; | |
14375 | } | |
14376 | ||
14377 | /** | |
14378 | * lpfc_sli4_queue_alloc - Allocate and initialize a queue structure | |
14379 | * @phba: The HBA that this queue is being created on. | |
81b96eda | 14380 | * @page_size: The size of a queue page |
4f774513 JS |
14381 | * @entry_size: The size of each queue entry for this queue. |
14382 | * @entry count: The number of entries that this queue will handle. | |
14383 | * | |
14384 | * This function allocates a queue structure and the DMAable memory used for | |
14385 | * the host resident queue. This function must be called before creating the | |
14386 | * queue on the HBA. | |
14387 | **/ | |
14388 | struct lpfc_queue * | |
81b96eda JS |
14389 | lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t page_size, |
14390 | uint32_t entry_size, uint32_t entry_count) | |
4f774513 JS |
14391 | { |
14392 | struct lpfc_queue *queue; | |
14393 | struct lpfc_dmabuf *dmabuf; | |
14394 | int x, total_qe_count; | |
14395 | void *dma_pointer; | |
cb5172ea | 14396 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
4f774513 | 14397 | |
cb5172ea | 14398 | if (!phba->sli4_hba.pc_sli4_params.supported) |
81b96eda | 14399 | hw_page_size = page_size; |
cb5172ea | 14400 | |
4f774513 JS |
14401 | queue = kzalloc(sizeof(struct lpfc_queue) + |
14402 | (sizeof(union sli4_qe) * entry_count), GFP_KERNEL); | |
14403 | if (!queue) | |
14404 | return NULL; | |
cb5172ea JS |
14405 | queue->page_count = (ALIGN(entry_size * entry_count, |
14406 | hw_page_size))/hw_page_size; | |
895427bd JS |
14407 | |
14408 | /* If needed, Adjust page count to match the max the adapter supports */ | |
4e87eb2f EM |
14409 | if (phba->sli4_hba.pc_sli4_params.wqpcnt && |
14410 | (queue->page_count > phba->sli4_hba.pc_sli4_params.wqpcnt)) | |
895427bd JS |
14411 | queue->page_count = phba->sli4_hba.pc_sli4_params.wqpcnt; |
14412 | ||
4f774513 | 14413 | INIT_LIST_HEAD(&queue->list); |
895427bd | 14414 | INIT_LIST_HEAD(&queue->wq_list); |
6e8e1c14 | 14415 | INIT_LIST_HEAD(&queue->wqfull_list); |
4f774513 JS |
14416 | INIT_LIST_HEAD(&queue->page_list); |
14417 | INIT_LIST_HEAD(&queue->child_list); | |
81b96eda JS |
14418 | |
14419 | /* Set queue parameters now. If the system cannot provide memory | |
14420 | * resources, the free routine needs to know what was allocated. | |
14421 | */ | |
14422 | queue->entry_size = entry_size; | |
14423 | queue->entry_count = entry_count; | |
14424 | queue->page_size = hw_page_size; | |
14425 | queue->phba = phba; | |
14426 | ||
4f774513 JS |
14427 | for (x = 0, total_qe_count = 0; x < queue->page_count; x++) { |
14428 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
14429 | if (!dmabuf) | |
14430 | goto out_fail; | |
1aee383d JP |
14431 | dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, |
14432 | hw_page_size, &dmabuf->phys, | |
14433 | GFP_KERNEL); | |
4f774513 JS |
14434 | if (!dmabuf->virt) { |
14435 | kfree(dmabuf); | |
14436 | goto out_fail; | |
14437 | } | |
14438 | dmabuf->buffer_tag = x; | |
14439 | list_add_tail(&dmabuf->list, &queue->page_list); | |
14440 | /* initialize queue's entry array */ | |
14441 | dma_pointer = dmabuf->virt; | |
14442 | for (; total_qe_count < entry_count && | |
cb5172ea | 14443 | dma_pointer < (hw_page_size + dmabuf->virt); |
4f774513 JS |
14444 | total_qe_count++, dma_pointer += entry_size) { |
14445 | queue->qe[total_qe_count].address = dma_pointer; | |
14446 | } | |
14447 | } | |
f485c18d DK |
14448 | INIT_WORK(&queue->irqwork, lpfc_sli4_hba_process_cq); |
14449 | INIT_WORK(&queue->spwork, lpfc_sli4_sp_process_cq); | |
4f774513 | 14450 | |
64eb4dcb JS |
14451 | /* entry_repost will be set during q creation */ |
14452 | ||
4f774513 JS |
14453 | return queue; |
14454 | out_fail: | |
14455 | lpfc_sli4_queue_free(queue); | |
14456 | return NULL; | |
14457 | } | |
14458 | ||
962bc51b JS |
14459 | /** |
14460 | * lpfc_dual_chute_pci_bar_map - Map pci base address register to host memory | |
14461 | * @phba: HBA structure that indicates port to create a queue on. | |
14462 | * @pci_barset: PCI BAR set flag. | |
14463 | * | |
14464 | * This function shall perform iomap of the specified PCI BAR address to host | |
14465 | * memory address if not already done so and return it. The returned host | |
14466 | * memory address can be NULL. | |
14467 | */ | |
14468 | static void __iomem * | |
14469 | lpfc_dual_chute_pci_bar_map(struct lpfc_hba *phba, uint16_t pci_barset) | |
14470 | { | |
962bc51b JS |
14471 | if (!phba->pcidev) |
14472 | return NULL; | |
962bc51b JS |
14473 | |
14474 | switch (pci_barset) { | |
14475 | case WQ_PCI_BAR_0_AND_1: | |
962bc51b JS |
14476 | return phba->pci_bar0_memmap_p; |
14477 | case WQ_PCI_BAR_2_AND_3: | |
962bc51b JS |
14478 | return phba->pci_bar2_memmap_p; |
14479 | case WQ_PCI_BAR_4_AND_5: | |
962bc51b JS |
14480 | return phba->pci_bar4_memmap_p; |
14481 | default: | |
14482 | break; | |
14483 | } | |
14484 | return NULL; | |
14485 | } | |
14486 | ||
173edbb2 | 14487 | /** |
895427bd | 14488 | * lpfc_modify_hba_eq_delay - Modify Delay Multiplier on FCP EQs |
173edbb2 JS |
14489 | * @phba: HBA structure that indicates port to create a queue on. |
14490 | * @startq: The starting FCP EQ to modify | |
14491 | * | |
14492 | * This function sends an MODIFY_EQ_DELAY mailbox command to the HBA. | |
43140ca6 JS |
14493 | * The command allows up to LPFC_MAX_EQ_DELAY_EQID_CNT EQ ID's to be |
14494 | * updated in one mailbox command. | |
173edbb2 JS |
14495 | * |
14496 | * The @phba struct is used to send mailbox command to HBA. The @startq | |
14497 | * is used to get the starting FCP EQ to change. | |
14498 | * This function is asynchronous and will wait for the mailbox | |
14499 | * command to finish before continuing. | |
14500 | * | |
14501 | * On success this function will return a zero. If unable to allocate enough | |
14502 | * memory this function will return -ENOMEM. If the queue create mailbox command | |
14503 | * fails this function will return -ENXIO. | |
14504 | **/ | |
a2fc4aef | 14505 | int |
0cf07f84 JS |
14506 | lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq, |
14507 | uint32_t numq, uint32_t imax) | |
173edbb2 JS |
14508 | { |
14509 | struct lpfc_mbx_modify_eq_delay *eq_delay; | |
14510 | LPFC_MBOXQ_t *mbox; | |
14511 | struct lpfc_queue *eq; | |
14512 | int cnt, rc, length, status = 0; | |
14513 | uint32_t shdr_status, shdr_add_status; | |
0cf07f84 | 14514 | uint32_t result, val; |
895427bd | 14515 | int qidx; |
173edbb2 JS |
14516 | union lpfc_sli4_cfg_shdr *shdr; |
14517 | uint16_t dmult; | |
14518 | ||
cdb42bec | 14519 | if (startq >= phba->cfg_hdw_queue) |
173edbb2 JS |
14520 | return 0; |
14521 | ||
14522 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14523 | if (!mbox) | |
14524 | return -ENOMEM; | |
14525 | length = (sizeof(struct lpfc_mbx_modify_eq_delay) - | |
14526 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14527 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14528 | LPFC_MBOX_OPCODE_MODIFY_EQ_DELAY, | |
14529 | length, LPFC_SLI4_MBX_EMBED); | |
14530 | eq_delay = &mbox->u.mqe.un.eq_delay; | |
14531 | ||
14532 | /* Calculate delay multiper from maximum interrupt per second */ | |
cdb42bec | 14533 | result = imax / phba->cfg_hdw_queue; |
895427bd | 14534 | if (result > LPFC_DMULT_CONST || result == 0) |
ee02006b JS |
14535 | dmult = 0; |
14536 | else | |
14537 | dmult = LPFC_DMULT_CONST/result - 1; | |
0cf07f84 JS |
14538 | if (dmult > LPFC_DMULT_MAX) |
14539 | dmult = LPFC_DMULT_MAX; | |
173edbb2 JS |
14540 | |
14541 | cnt = 0; | |
cdb42bec JS |
14542 | for (qidx = startq; qidx < phba->cfg_hdw_queue; qidx++) { |
14543 | eq = phba->sli4_hba.hdwq[qidx].hba_eq; | |
173edbb2 JS |
14544 | if (!eq) |
14545 | continue; | |
0cf07f84 | 14546 | eq->q_mode = imax; |
173edbb2 JS |
14547 | eq_delay->u.request.eq[cnt].eq_id = eq->queue_id; |
14548 | eq_delay->u.request.eq[cnt].phase = 0; | |
14549 | eq_delay->u.request.eq[cnt].delay_multi = dmult; | |
14550 | cnt++; | |
0cf07f84 JS |
14551 | |
14552 | /* q_mode is only used for auto_imax */ | |
14553 | if (phba->sli.sli_flag & LPFC_SLI_USE_EQDR) { | |
14554 | /* Use EQ Delay Register method for q_mode */ | |
14555 | ||
14556 | /* Convert for EQ Delay register */ | |
14557 | val = phba->cfg_fcp_imax; | |
14558 | if (val) { | |
14559 | /* First, interrupts per sec per EQ */ | |
cdb42bec | 14560 | val = phba->cfg_fcp_imax / phba->cfg_hdw_queue; |
0cf07f84 JS |
14561 | |
14562 | /* us delay between each interrupt */ | |
14563 | val = LPFC_SEC_TO_USEC / val; | |
14564 | } | |
14565 | eq->q_mode = val; | |
14566 | } else { | |
14567 | eq->q_mode = imax; | |
14568 | } | |
14569 | ||
14570 | if (cnt >= numq) | |
173edbb2 JS |
14571 | break; |
14572 | } | |
14573 | eq_delay->u.request.num_eq = cnt; | |
14574 | ||
14575 | mbox->vport = phba->pport; | |
14576 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
3e1f0718 JS |
14577 | mbox->ctx_buf = NULL; |
14578 | mbox->ctx_ndlp = NULL; | |
173edbb2 JS |
14579 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
14580 | shdr = (union lpfc_sli4_cfg_shdr *) &eq_delay->header.cfg_shdr; | |
14581 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
14582 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14583 | if (shdr_status || shdr_add_status || rc) { | |
14584 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14585 | "2512 MODIFY_EQ_DELAY mailbox failed with " | |
14586 | "status x%x add_status x%x, mbx status x%x\n", | |
14587 | shdr_status, shdr_add_status, rc); | |
14588 | status = -ENXIO; | |
14589 | } | |
14590 | mempool_free(mbox, phba->mbox_mem_pool); | |
14591 | return status; | |
14592 | } | |
14593 | ||
4f774513 JS |
14594 | /** |
14595 | * lpfc_eq_create - Create an Event Queue on the HBA | |
14596 | * @phba: HBA structure that indicates port to create a queue on. | |
14597 | * @eq: The queue structure to use to create the event queue. | |
14598 | * @imax: The maximum interrupt per second limit. | |
14599 | * | |
14600 | * This function creates an event queue, as detailed in @eq, on a port, | |
14601 | * described by @phba by sending an EQ_CREATE mailbox command to the HBA. | |
14602 | * | |
14603 | * The @phba struct is used to send mailbox command to HBA. The @eq struct | |
14604 | * is used to get the entry count and entry size that are necessary to | |
14605 | * determine the number of pages to allocate and use for this queue. This | |
14606 | * function will send the EQ_CREATE mailbox command to the HBA to setup the | |
14607 | * event queue. This function is asynchronous and will wait for the mailbox | |
14608 | * command to finish before continuing. | |
14609 | * | |
14610 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
14611 | * memory this function will return -ENOMEM. If the queue create mailbox command |
14612 | * fails this function will return -ENXIO. | |
4f774513 | 14613 | **/ |
a2fc4aef | 14614 | int |
ee02006b | 14615 | lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint32_t imax) |
4f774513 JS |
14616 | { |
14617 | struct lpfc_mbx_eq_create *eq_create; | |
14618 | LPFC_MBOXQ_t *mbox; | |
14619 | int rc, length, status = 0; | |
14620 | struct lpfc_dmabuf *dmabuf; | |
14621 | uint32_t shdr_status, shdr_add_status; | |
14622 | union lpfc_sli4_cfg_shdr *shdr; | |
14623 | uint16_t dmult; | |
49198b37 JS |
14624 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
14625 | ||
2e90f4b5 JS |
14626 | /* sanity check on queue memory */ |
14627 | if (!eq) | |
14628 | return -ENODEV; | |
49198b37 JS |
14629 | if (!phba->sli4_hba.pc_sli4_params.supported) |
14630 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
14631 | |
14632 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14633 | if (!mbox) | |
14634 | return -ENOMEM; | |
14635 | length = (sizeof(struct lpfc_mbx_eq_create) - | |
14636 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14637 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14638 | LPFC_MBOX_OPCODE_EQ_CREATE, | |
14639 | length, LPFC_SLI4_MBX_EMBED); | |
14640 | eq_create = &mbox->u.mqe.un.eq_create; | |
7365f6fd | 14641 | shdr = (union lpfc_sli4_cfg_shdr *) &eq_create->header.cfg_shdr; |
4f774513 JS |
14642 | bf_set(lpfc_mbx_eq_create_num_pages, &eq_create->u.request, |
14643 | eq->page_count); | |
14644 | bf_set(lpfc_eq_context_size, &eq_create->u.request.context, | |
14645 | LPFC_EQE_SIZE); | |
14646 | bf_set(lpfc_eq_context_valid, &eq_create->u.request.context, 1); | |
7365f6fd JS |
14647 | |
14648 | /* Use version 2 of CREATE_EQ if eqav is set */ | |
14649 | if (phba->sli4_hba.pc_sli4_params.eqav) { | |
14650 | bf_set(lpfc_mbox_hdr_version, &shdr->request, | |
14651 | LPFC_Q_CREATE_VERSION_2); | |
14652 | bf_set(lpfc_eq_context_autovalid, &eq_create->u.request.context, | |
14653 | phba->sli4_hba.pc_sli4_params.eqav); | |
14654 | } | |
14655 | ||
2c9c5a00 JS |
14656 | /* don't setup delay multiplier using EQ_CREATE */ |
14657 | dmult = 0; | |
4f774513 JS |
14658 | bf_set(lpfc_eq_context_delay_multi, &eq_create->u.request.context, |
14659 | dmult); | |
14660 | switch (eq->entry_count) { | |
14661 | default: | |
14662 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14663 | "0360 Unsupported EQ count. (%d)\n", | |
14664 | eq->entry_count); | |
14665 | if (eq->entry_count < 256) | |
14666 | return -EINVAL; | |
14667 | /* otherwise default to smallest count (drop through) */ | |
14668 | case 256: | |
14669 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14670 | LPFC_EQ_CNT_256); | |
14671 | break; | |
14672 | case 512: | |
14673 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14674 | LPFC_EQ_CNT_512); | |
14675 | break; | |
14676 | case 1024: | |
14677 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14678 | LPFC_EQ_CNT_1024); | |
14679 | break; | |
14680 | case 2048: | |
14681 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14682 | LPFC_EQ_CNT_2048); | |
14683 | break; | |
14684 | case 4096: | |
14685 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14686 | LPFC_EQ_CNT_4096); | |
14687 | break; | |
14688 | } | |
14689 | list_for_each_entry(dmabuf, &eq->page_list, list) { | |
49198b37 | 14690 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
14691 | eq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
14692 | putPaddrLow(dmabuf->phys); | |
14693 | eq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
14694 | putPaddrHigh(dmabuf->phys); | |
14695 | } | |
14696 | mbox->vport = phba->pport; | |
14697 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
3e1f0718 JS |
14698 | mbox->ctx_buf = NULL; |
14699 | mbox->ctx_ndlp = NULL; | |
4f774513 | 14700 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
4f774513 JS |
14701 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
14702 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14703 | if (shdr_status || shdr_add_status || rc) { | |
14704 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14705 | "2500 EQ_CREATE mailbox failed with " | |
14706 | "status x%x add_status x%x, mbx status x%x\n", | |
14707 | shdr_status, shdr_add_status, rc); | |
14708 | status = -ENXIO; | |
14709 | } | |
14710 | eq->type = LPFC_EQ; | |
14711 | eq->subtype = LPFC_NONE; | |
14712 | eq->queue_id = bf_get(lpfc_mbx_eq_create_q_id, &eq_create->u.response); | |
14713 | if (eq->queue_id == 0xFFFF) | |
14714 | status = -ENXIO; | |
14715 | eq->host_index = 0; | |
14716 | eq->hba_index = 0; | |
64eb4dcb | 14717 | eq->entry_repost = LPFC_EQ_REPOST; |
4f774513 | 14718 | |
8fa38513 | 14719 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
14720 | return status; |
14721 | } | |
14722 | ||
14723 | /** | |
14724 | * lpfc_cq_create - Create a Completion Queue on the HBA | |
14725 | * @phba: HBA structure that indicates port to create a queue on. | |
14726 | * @cq: The queue structure to use to create the completion queue. | |
14727 | * @eq: The event queue to bind this completion queue to. | |
14728 | * | |
14729 | * This function creates a completion queue, as detailed in @wq, on a port, | |
14730 | * described by @phba by sending a CQ_CREATE mailbox command to the HBA. | |
14731 | * | |
14732 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
14733 | * is used to get the entry count and entry size that are necessary to | |
14734 | * determine the number of pages to allocate and use for this queue. The @eq | |
14735 | * is used to indicate which event queue to bind this completion queue to. This | |
14736 | * function will send the CQ_CREATE mailbox command to the HBA to setup the | |
14737 | * completion queue. This function is asynchronous and will wait for the mailbox | |
14738 | * command to finish before continuing. | |
14739 | * | |
14740 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
14741 | * memory this function will return -ENOMEM. If the queue create mailbox command |
14742 | * fails this function will return -ENXIO. | |
4f774513 | 14743 | **/ |
a2fc4aef | 14744 | int |
4f774513 JS |
14745 | lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq, |
14746 | struct lpfc_queue *eq, uint32_t type, uint32_t subtype) | |
14747 | { | |
14748 | struct lpfc_mbx_cq_create *cq_create; | |
14749 | struct lpfc_dmabuf *dmabuf; | |
14750 | LPFC_MBOXQ_t *mbox; | |
14751 | int rc, length, status = 0; | |
14752 | uint32_t shdr_status, shdr_add_status; | |
14753 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 14754 | |
2e90f4b5 JS |
14755 | /* sanity check on queue memory */ |
14756 | if (!cq || !eq) | |
14757 | return -ENODEV; | |
49198b37 | 14758 | |
4f774513 JS |
14759 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
14760 | if (!mbox) | |
14761 | return -ENOMEM; | |
14762 | length = (sizeof(struct lpfc_mbx_cq_create) - | |
14763 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14764 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14765 | LPFC_MBOX_OPCODE_CQ_CREATE, | |
14766 | length, LPFC_SLI4_MBX_EMBED); | |
14767 | cq_create = &mbox->u.mqe.un.cq_create; | |
5a6f133e | 14768 | shdr = (union lpfc_sli4_cfg_shdr *) &cq_create->header.cfg_shdr; |
4f774513 JS |
14769 | bf_set(lpfc_mbx_cq_create_num_pages, &cq_create->u.request, |
14770 | cq->page_count); | |
14771 | bf_set(lpfc_cq_context_event, &cq_create->u.request.context, 1); | |
14772 | bf_set(lpfc_cq_context_valid, &cq_create->u.request.context, 1); | |
5a6f133e JS |
14773 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
14774 | phba->sli4_hba.pc_sli4_params.cqv); | |
14775 | if (phba->sli4_hba.pc_sli4_params.cqv == LPFC_Q_CREATE_VERSION_2) { | |
81b96eda JS |
14776 | bf_set(lpfc_mbx_cq_create_page_size, &cq_create->u.request, |
14777 | (cq->page_size / SLI4_PAGE_SIZE)); | |
5a6f133e JS |
14778 | bf_set(lpfc_cq_eq_id_2, &cq_create->u.request.context, |
14779 | eq->queue_id); | |
7365f6fd JS |
14780 | bf_set(lpfc_cq_context_autovalid, &cq_create->u.request.context, |
14781 | phba->sli4_hba.pc_sli4_params.cqav); | |
5a6f133e JS |
14782 | } else { |
14783 | bf_set(lpfc_cq_eq_id, &cq_create->u.request.context, | |
14784 | eq->queue_id); | |
14785 | } | |
4f774513 | 14786 | switch (cq->entry_count) { |
81b96eda JS |
14787 | case 2048: |
14788 | case 4096: | |
14789 | if (phba->sli4_hba.pc_sli4_params.cqv == | |
14790 | LPFC_Q_CREATE_VERSION_2) { | |
14791 | cq_create->u.request.context.lpfc_cq_context_count = | |
14792 | cq->entry_count; | |
14793 | bf_set(lpfc_cq_context_count, | |
14794 | &cq_create->u.request.context, | |
14795 | LPFC_CQ_CNT_WORD7); | |
14796 | break; | |
14797 | } | |
14798 | /* Fall Thru */ | |
4f774513 JS |
14799 | default: |
14800 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2ea259ee | 14801 | "0361 Unsupported CQ count: " |
64eb4dcb | 14802 | "entry cnt %d sz %d pg cnt %d\n", |
2ea259ee | 14803 | cq->entry_count, cq->entry_size, |
64eb4dcb | 14804 | cq->page_count); |
4f4c1863 JS |
14805 | if (cq->entry_count < 256) { |
14806 | status = -EINVAL; | |
14807 | goto out; | |
14808 | } | |
4f774513 JS |
14809 | /* otherwise default to smallest count (drop through) */ |
14810 | case 256: | |
14811 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
14812 | LPFC_CQ_CNT_256); | |
14813 | break; | |
14814 | case 512: | |
14815 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
14816 | LPFC_CQ_CNT_512); | |
14817 | break; | |
14818 | case 1024: | |
14819 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
14820 | LPFC_CQ_CNT_1024); | |
14821 | break; | |
14822 | } | |
14823 | list_for_each_entry(dmabuf, &cq->page_list, list) { | |
81b96eda | 14824 | memset(dmabuf->virt, 0, cq->page_size); |
4f774513 JS |
14825 | cq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
14826 | putPaddrLow(dmabuf->phys); | |
14827 | cq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
14828 | putPaddrHigh(dmabuf->phys); | |
14829 | } | |
14830 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
14831 | ||
14832 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
14833 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
14834 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14835 | if (shdr_status || shdr_add_status || rc) { | |
14836 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14837 | "2501 CQ_CREATE mailbox failed with " | |
14838 | "status x%x add_status x%x, mbx status x%x\n", | |
14839 | shdr_status, shdr_add_status, rc); | |
14840 | status = -ENXIO; | |
14841 | goto out; | |
14842 | } | |
14843 | cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response); | |
14844 | if (cq->queue_id == 0xFFFF) { | |
14845 | status = -ENXIO; | |
14846 | goto out; | |
14847 | } | |
14848 | /* link the cq onto the parent eq child list */ | |
14849 | list_add_tail(&cq->list, &eq->child_list); | |
14850 | /* Set up completion queue's type and subtype */ | |
14851 | cq->type = type; | |
14852 | cq->subtype = subtype; | |
14853 | cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response); | |
2a622bfb | 14854 | cq->assoc_qid = eq->queue_id; |
4f774513 JS |
14855 | cq->host_index = 0; |
14856 | cq->hba_index = 0; | |
64eb4dcb | 14857 | cq->entry_repost = LPFC_CQ_REPOST; |
4f774513 | 14858 | |
8fa38513 JS |
14859 | out: |
14860 | mempool_free(mbox, phba->mbox_mem_pool); | |
4f774513 JS |
14861 | return status; |
14862 | } | |
14863 | ||
2d7dbc4c JS |
14864 | /** |
14865 | * lpfc_cq_create_set - Create a set of Completion Queues on the HBA for MRQ | |
14866 | * @phba: HBA structure that indicates port to create a queue on. | |
14867 | * @cqp: The queue structure array to use to create the completion queues. | |
cdb42bec | 14868 | * @hdwq: The hardware queue array with the EQ to bind completion queues to. |
2d7dbc4c JS |
14869 | * |
14870 | * This function creates a set of completion queue, s to support MRQ | |
14871 | * as detailed in @cqp, on a port, | |
14872 | * described by @phba by sending a CREATE_CQ_SET mailbox command to the HBA. | |
14873 | * | |
14874 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
14875 | * is used to get the entry count and entry size that are necessary to | |
14876 | * determine the number of pages to allocate and use for this queue. The @eq | |
14877 | * is used to indicate which event queue to bind this completion queue to. This | |
14878 | * function will send the CREATE_CQ_SET mailbox command to the HBA to setup the | |
14879 | * completion queue. This function is asynchronous and will wait for the mailbox | |
14880 | * command to finish before continuing. | |
14881 | * | |
14882 | * On success this function will return a zero. If unable to allocate enough | |
14883 | * memory this function will return -ENOMEM. If the queue create mailbox command | |
14884 | * fails this function will return -ENXIO. | |
14885 | **/ | |
14886 | int | |
14887 | lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp, | |
cdb42bec JS |
14888 | struct lpfc_sli4_hdw_queue *hdwq, uint32_t type, |
14889 | uint32_t subtype) | |
2d7dbc4c JS |
14890 | { |
14891 | struct lpfc_queue *cq; | |
14892 | struct lpfc_queue *eq; | |
14893 | struct lpfc_mbx_cq_create_set *cq_set; | |
14894 | struct lpfc_dmabuf *dmabuf; | |
14895 | LPFC_MBOXQ_t *mbox; | |
14896 | int rc, length, alloclen, status = 0; | |
14897 | int cnt, idx, numcq, page_idx = 0; | |
14898 | uint32_t shdr_status, shdr_add_status; | |
14899 | union lpfc_sli4_cfg_shdr *shdr; | |
14900 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; | |
14901 | ||
14902 | /* sanity check on queue memory */ | |
14903 | numcq = phba->cfg_nvmet_mrq; | |
cdb42bec | 14904 | if (!cqp || !hdwq || !numcq) |
2d7dbc4c | 14905 | return -ENODEV; |
2d7dbc4c JS |
14906 | |
14907 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14908 | if (!mbox) | |
14909 | return -ENOMEM; | |
14910 | ||
14911 | length = sizeof(struct lpfc_mbx_cq_create_set); | |
14912 | length += ((numcq * cqp[0]->page_count) * | |
14913 | sizeof(struct dma_address)); | |
14914 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
14915 | LPFC_MBOX_OPCODE_FCOE_CQ_CREATE_SET, length, | |
14916 | LPFC_SLI4_MBX_NEMBED); | |
14917 | if (alloclen < length) { | |
14918 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14919 | "3098 Allocated DMA memory size (%d) is " | |
14920 | "less than the requested DMA memory size " | |
14921 | "(%d)\n", alloclen, length); | |
14922 | status = -ENOMEM; | |
14923 | goto out; | |
14924 | } | |
14925 | cq_set = mbox->sge_array->addr[0]; | |
14926 | shdr = (union lpfc_sli4_cfg_shdr *)&cq_set->cfg_shdr; | |
14927 | bf_set(lpfc_mbox_hdr_version, &shdr->request, 0); | |
14928 | ||
14929 | for (idx = 0; idx < numcq; idx++) { | |
14930 | cq = cqp[idx]; | |
cdb42bec | 14931 | eq = hdwq[idx].hba_eq; |
2d7dbc4c JS |
14932 | if (!cq || !eq) { |
14933 | status = -ENOMEM; | |
14934 | goto out; | |
14935 | } | |
81b96eda JS |
14936 | if (!phba->sli4_hba.pc_sli4_params.supported) |
14937 | hw_page_size = cq->page_size; | |
2d7dbc4c JS |
14938 | |
14939 | switch (idx) { | |
14940 | case 0: | |
14941 | bf_set(lpfc_mbx_cq_create_set_page_size, | |
14942 | &cq_set->u.request, | |
14943 | (hw_page_size / SLI4_PAGE_SIZE)); | |
14944 | bf_set(lpfc_mbx_cq_create_set_num_pages, | |
14945 | &cq_set->u.request, cq->page_count); | |
14946 | bf_set(lpfc_mbx_cq_create_set_evt, | |
14947 | &cq_set->u.request, 1); | |
14948 | bf_set(lpfc_mbx_cq_create_set_valid, | |
14949 | &cq_set->u.request, 1); | |
14950 | bf_set(lpfc_mbx_cq_create_set_cqe_size, | |
14951 | &cq_set->u.request, 0); | |
14952 | bf_set(lpfc_mbx_cq_create_set_num_cq, | |
14953 | &cq_set->u.request, numcq); | |
7365f6fd JS |
14954 | bf_set(lpfc_mbx_cq_create_set_autovalid, |
14955 | &cq_set->u.request, | |
14956 | phba->sli4_hba.pc_sli4_params.cqav); | |
2d7dbc4c | 14957 | switch (cq->entry_count) { |
81b96eda JS |
14958 | case 2048: |
14959 | case 4096: | |
14960 | if (phba->sli4_hba.pc_sli4_params.cqv == | |
14961 | LPFC_Q_CREATE_VERSION_2) { | |
14962 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
14963 | &cq_set->u.request, | |
14964 | cq->entry_count); | |
14965 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
14966 | &cq_set->u.request, | |
14967 | LPFC_CQ_CNT_WORD7); | |
14968 | break; | |
14969 | } | |
14970 | /* Fall Thru */ | |
2d7dbc4c JS |
14971 | default: |
14972 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14973 | "3118 Bad CQ count. (%d)\n", | |
14974 | cq->entry_count); | |
14975 | if (cq->entry_count < 256) { | |
14976 | status = -EINVAL; | |
14977 | goto out; | |
14978 | } | |
14979 | /* otherwise default to smallest (drop thru) */ | |
14980 | case 256: | |
14981 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
14982 | &cq_set->u.request, LPFC_CQ_CNT_256); | |
14983 | break; | |
14984 | case 512: | |
14985 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
14986 | &cq_set->u.request, LPFC_CQ_CNT_512); | |
14987 | break; | |
14988 | case 1024: | |
14989 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
14990 | &cq_set->u.request, LPFC_CQ_CNT_1024); | |
14991 | break; | |
14992 | } | |
14993 | bf_set(lpfc_mbx_cq_create_set_eq_id0, | |
14994 | &cq_set->u.request, eq->queue_id); | |
14995 | break; | |
14996 | case 1: | |
14997 | bf_set(lpfc_mbx_cq_create_set_eq_id1, | |
14998 | &cq_set->u.request, eq->queue_id); | |
14999 | break; | |
15000 | case 2: | |
15001 | bf_set(lpfc_mbx_cq_create_set_eq_id2, | |
15002 | &cq_set->u.request, eq->queue_id); | |
15003 | break; | |
15004 | case 3: | |
15005 | bf_set(lpfc_mbx_cq_create_set_eq_id3, | |
15006 | &cq_set->u.request, eq->queue_id); | |
15007 | break; | |
15008 | case 4: | |
15009 | bf_set(lpfc_mbx_cq_create_set_eq_id4, | |
15010 | &cq_set->u.request, eq->queue_id); | |
15011 | break; | |
15012 | case 5: | |
15013 | bf_set(lpfc_mbx_cq_create_set_eq_id5, | |
15014 | &cq_set->u.request, eq->queue_id); | |
15015 | break; | |
15016 | case 6: | |
15017 | bf_set(lpfc_mbx_cq_create_set_eq_id6, | |
15018 | &cq_set->u.request, eq->queue_id); | |
15019 | break; | |
15020 | case 7: | |
15021 | bf_set(lpfc_mbx_cq_create_set_eq_id7, | |
15022 | &cq_set->u.request, eq->queue_id); | |
15023 | break; | |
15024 | case 8: | |
15025 | bf_set(lpfc_mbx_cq_create_set_eq_id8, | |
15026 | &cq_set->u.request, eq->queue_id); | |
15027 | break; | |
15028 | case 9: | |
15029 | bf_set(lpfc_mbx_cq_create_set_eq_id9, | |
15030 | &cq_set->u.request, eq->queue_id); | |
15031 | break; | |
15032 | case 10: | |
15033 | bf_set(lpfc_mbx_cq_create_set_eq_id10, | |
15034 | &cq_set->u.request, eq->queue_id); | |
15035 | break; | |
15036 | case 11: | |
15037 | bf_set(lpfc_mbx_cq_create_set_eq_id11, | |
15038 | &cq_set->u.request, eq->queue_id); | |
15039 | break; | |
15040 | case 12: | |
15041 | bf_set(lpfc_mbx_cq_create_set_eq_id12, | |
15042 | &cq_set->u.request, eq->queue_id); | |
15043 | break; | |
15044 | case 13: | |
15045 | bf_set(lpfc_mbx_cq_create_set_eq_id13, | |
15046 | &cq_set->u.request, eq->queue_id); | |
15047 | break; | |
15048 | case 14: | |
15049 | bf_set(lpfc_mbx_cq_create_set_eq_id14, | |
15050 | &cq_set->u.request, eq->queue_id); | |
15051 | break; | |
15052 | case 15: | |
15053 | bf_set(lpfc_mbx_cq_create_set_eq_id15, | |
15054 | &cq_set->u.request, eq->queue_id); | |
15055 | break; | |
15056 | } | |
15057 | ||
15058 | /* link the cq onto the parent eq child list */ | |
15059 | list_add_tail(&cq->list, &eq->child_list); | |
15060 | /* Set up completion queue's type and subtype */ | |
15061 | cq->type = type; | |
15062 | cq->subtype = subtype; | |
15063 | cq->assoc_qid = eq->queue_id; | |
15064 | cq->host_index = 0; | |
15065 | cq->hba_index = 0; | |
64eb4dcb | 15066 | cq->entry_repost = LPFC_CQ_REPOST; |
81b96eda | 15067 | cq->chann = idx; |
2d7dbc4c JS |
15068 | |
15069 | rc = 0; | |
15070 | list_for_each_entry(dmabuf, &cq->page_list, list) { | |
15071 | memset(dmabuf->virt, 0, hw_page_size); | |
15072 | cnt = page_idx + dmabuf->buffer_tag; | |
15073 | cq_set->u.request.page[cnt].addr_lo = | |
15074 | putPaddrLow(dmabuf->phys); | |
15075 | cq_set->u.request.page[cnt].addr_hi = | |
15076 | putPaddrHigh(dmabuf->phys); | |
15077 | rc++; | |
15078 | } | |
15079 | page_idx += rc; | |
15080 | } | |
15081 | ||
15082 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
15083 | ||
15084 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15085 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15086 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15087 | if (shdr_status || shdr_add_status || rc) { | |
15088 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15089 | "3119 CQ_CREATE_SET mailbox failed with " | |
15090 | "status x%x add_status x%x, mbx status x%x\n", | |
15091 | shdr_status, shdr_add_status, rc); | |
15092 | status = -ENXIO; | |
15093 | goto out; | |
15094 | } | |
15095 | rc = bf_get(lpfc_mbx_cq_create_set_base_id, &cq_set->u.response); | |
15096 | if (rc == 0xFFFF) { | |
15097 | status = -ENXIO; | |
15098 | goto out; | |
15099 | } | |
15100 | ||
15101 | for (idx = 0; idx < numcq; idx++) { | |
15102 | cq = cqp[idx]; | |
15103 | cq->queue_id = rc + idx; | |
15104 | } | |
15105 | ||
15106 | out: | |
15107 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
15108 | return status; | |
15109 | } | |
15110 | ||
b19a061a JS |
15111 | /** |
15112 | * lpfc_mq_create_fb_init - Send MCC_CREATE without async events registration | |
15113 | * @phba: HBA structure that indicates port to create a queue on. | |
15114 | * @mq: The queue structure to use to create the mailbox queue. | |
15115 | * @mbox: An allocated pointer to type LPFC_MBOXQ_t | |
15116 | * @cq: The completion queue to associate with this cq. | |
15117 | * | |
15118 | * This function provides failback (fb) functionality when the | |
15119 | * mq_create_ext fails on older FW generations. It's purpose is identical | |
15120 | * to mq_create_ext otherwise. | |
15121 | * | |
15122 | * This routine cannot fail as all attributes were previously accessed and | |
15123 | * initialized in mq_create_ext. | |
15124 | **/ | |
15125 | static void | |
15126 | lpfc_mq_create_fb_init(struct lpfc_hba *phba, struct lpfc_queue *mq, | |
15127 | LPFC_MBOXQ_t *mbox, struct lpfc_queue *cq) | |
15128 | { | |
15129 | struct lpfc_mbx_mq_create *mq_create; | |
15130 | struct lpfc_dmabuf *dmabuf; | |
15131 | int length; | |
15132 | ||
15133 | length = (sizeof(struct lpfc_mbx_mq_create) - | |
15134 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15135 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
15136 | LPFC_MBOX_OPCODE_MQ_CREATE, | |
15137 | length, LPFC_SLI4_MBX_EMBED); | |
15138 | mq_create = &mbox->u.mqe.un.mq_create; | |
15139 | bf_set(lpfc_mbx_mq_create_num_pages, &mq_create->u.request, | |
15140 | mq->page_count); | |
15141 | bf_set(lpfc_mq_context_cq_id, &mq_create->u.request.context, | |
15142 | cq->queue_id); | |
15143 | bf_set(lpfc_mq_context_valid, &mq_create->u.request.context, 1); | |
15144 | switch (mq->entry_count) { | |
15145 | case 16: | |
5a6f133e JS |
15146 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
15147 | LPFC_MQ_RING_SIZE_16); | |
b19a061a JS |
15148 | break; |
15149 | case 32: | |
5a6f133e JS |
15150 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
15151 | LPFC_MQ_RING_SIZE_32); | |
b19a061a JS |
15152 | break; |
15153 | case 64: | |
5a6f133e JS |
15154 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
15155 | LPFC_MQ_RING_SIZE_64); | |
b19a061a JS |
15156 | break; |
15157 | case 128: | |
5a6f133e JS |
15158 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
15159 | LPFC_MQ_RING_SIZE_128); | |
b19a061a JS |
15160 | break; |
15161 | } | |
15162 | list_for_each_entry(dmabuf, &mq->page_list, list) { | |
15163 | mq_create->u.request.page[dmabuf->buffer_tag].addr_lo = | |
15164 | putPaddrLow(dmabuf->phys); | |
15165 | mq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
15166 | putPaddrHigh(dmabuf->phys); | |
15167 | } | |
15168 | } | |
15169 | ||
04c68496 JS |
15170 | /** |
15171 | * lpfc_mq_create - Create a mailbox Queue on the HBA | |
15172 | * @phba: HBA structure that indicates port to create a queue on. | |
15173 | * @mq: The queue structure to use to create the mailbox queue. | |
b19a061a JS |
15174 | * @cq: The completion queue to associate with this cq. |
15175 | * @subtype: The queue's subtype. | |
04c68496 JS |
15176 | * |
15177 | * This function creates a mailbox queue, as detailed in @mq, on a port, | |
15178 | * described by @phba by sending a MQ_CREATE mailbox command to the HBA. | |
15179 | * | |
15180 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
15181 | * is used to get the entry count and entry size that are necessary to | |
15182 | * determine the number of pages to allocate and use for this queue. This | |
15183 | * function will send the MQ_CREATE mailbox command to the HBA to setup the | |
15184 | * mailbox queue. This function is asynchronous and will wait for the mailbox | |
15185 | * command to finish before continuing. | |
15186 | * | |
15187 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
15188 | * memory this function will return -ENOMEM. If the queue create mailbox command |
15189 | * fails this function will return -ENXIO. | |
04c68496 | 15190 | **/ |
b19a061a | 15191 | int32_t |
04c68496 JS |
15192 | lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq, |
15193 | struct lpfc_queue *cq, uint32_t subtype) | |
15194 | { | |
15195 | struct lpfc_mbx_mq_create *mq_create; | |
b19a061a | 15196 | struct lpfc_mbx_mq_create_ext *mq_create_ext; |
04c68496 JS |
15197 | struct lpfc_dmabuf *dmabuf; |
15198 | LPFC_MBOXQ_t *mbox; | |
15199 | int rc, length, status = 0; | |
15200 | uint32_t shdr_status, shdr_add_status; | |
15201 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 15202 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
04c68496 | 15203 | |
2e90f4b5 JS |
15204 | /* sanity check on queue memory */ |
15205 | if (!mq || !cq) | |
15206 | return -ENODEV; | |
49198b37 JS |
15207 | if (!phba->sli4_hba.pc_sli4_params.supported) |
15208 | hw_page_size = SLI4_PAGE_SIZE; | |
b19a061a | 15209 | |
04c68496 JS |
15210 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
15211 | if (!mbox) | |
15212 | return -ENOMEM; | |
b19a061a | 15213 | length = (sizeof(struct lpfc_mbx_mq_create_ext) - |
04c68496 JS |
15214 | sizeof(struct lpfc_sli4_cfg_mhdr)); |
15215 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
b19a061a | 15216 | LPFC_MBOX_OPCODE_MQ_CREATE_EXT, |
04c68496 | 15217 | length, LPFC_SLI4_MBX_EMBED); |
b19a061a JS |
15218 | |
15219 | mq_create_ext = &mbox->u.mqe.un.mq_create_ext; | |
5a6f133e | 15220 | shdr = (union lpfc_sli4_cfg_shdr *) &mq_create_ext->header.cfg_shdr; |
70f3c073 JS |
15221 | bf_set(lpfc_mbx_mq_create_ext_num_pages, |
15222 | &mq_create_ext->u.request, mq->page_count); | |
15223 | bf_set(lpfc_mbx_mq_create_ext_async_evt_link, | |
15224 | &mq_create_ext->u.request, 1); | |
15225 | bf_set(lpfc_mbx_mq_create_ext_async_evt_fip, | |
b19a061a JS |
15226 | &mq_create_ext->u.request, 1); |
15227 | bf_set(lpfc_mbx_mq_create_ext_async_evt_group5, | |
15228 | &mq_create_ext->u.request, 1); | |
70f3c073 JS |
15229 | bf_set(lpfc_mbx_mq_create_ext_async_evt_fc, |
15230 | &mq_create_ext->u.request, 1); | |
15231 | bf_set(lpfc_mbx_mq_create_ext_async_evt_sli, | |
15232 | &mq_create_ext->u.request, 1); | |
b19a061a | 15233 | bf_set(lpfc_mq_context_valid, &mq_create_ext->u.request.context, 1); |
5a6f133e JS |
15234 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
15235 | phba->sli4_hba.pc_sli4_params.mqv); | |
15236 | if (phba->sli4_hba.pc_sli4_params.mqv == LPFC_Q_CREATE_VERSION_1) | |
15237 | bf_set(lpfc_mbx_mq_create_ext_cq_id, &mq_create_ext->u.request, | |
15238 | cq->queue_id); | |
15239 | else | |
15240 | bf_set(lpfc_mq_context_cq_id, &mq_create_ext->u.request.context, | |
15241 | cq->queue_id); | |
04c68496 JS |
15242 | switch (mq->entry_count) { |
15243 | default: | |
15244 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15245 | "0362 Unsupported MQ count. (%d)\n", | |
15246 | mq->entry_count); | |
4f4c1863 JS |
15247 | if (mq->entry_count < 16) { |
15248 | status = -EINVAL; | |
15249 | goto out; | |
15250 | } | |
04c68496 JS |
15251 | /* otherwise default to smallest count (drop through) */ |
15252 | case 16: | |
5a6f133e JS |
15253 | bf_set(lpfc_mq_context_ring_size, |
15254 | &mq_create_ext->u.request.context, | |
15255 | LPFC_MQ_RING_SIZE_16); | |
04c68496 JS |
15256 | break; |
15257 | case 32: | |
5a6f133e JS |
15258 | bf_set(lpfc_mq_context_ring_size, |
15259 | &mq_create_ext->u.request.context, | |
15260 | LPFC_MQ_RING_SIZE_32); | |
04c68496 JS |
15261 | break; |
15262 | case 64: | |
5a6f133e JS |
15263 | bf_set(lpfc_mq_context_ring_size, |
15264 | &mq_create_ext->u.request.context, | |
15265 | LPFC_MQ_RING_SIZE_64); | |
04c68496 JS |
15266 | break; |
15267 | case 128: | |
5a6f133e JS |
15268 | bf_set(lpfc_mq_context_ring_size, |
15269 | &mq_create_ext->u.request.context, | |
15270 | LPFC_MQ_RING_SIZE_128); | |
04c68496 JS |
15271 | break; |
15272 | } | |
15273 | list_for_each_entry(dmabuf, &mq->page_list, list) { | |
49198b37 | 15274 | memset(dmabuf->virt, 0, hw_page_size); |
b19a061a | 15275 | mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_lo = |
04c68496 | 15276 | putPaddrLow(dmabuf->phys); |
b19a061a | 15277 | mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_hi = |
04c68496 JS |
15278 | putPaddrHigh(dmabuf->phys); |
15279 | } | |
15280 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
b19a061a JS |
15281 | mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, |
15282 | &mq_create_ext->u.response); | |
15283 | if (rc != MBX_SUCCESS) { | |
15284 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
15285 | "2795 MQ_CREATE_EXT failed with " | |
15286 | "status x%x. Failback to MQ_CREATE.\n", | |
15287 | rc); | |
15288 | lpfc_mq_create_fb_init(phba, mq, mbox, cq); | |
15289 | mq_create = &mbox->u.mqe.un.mq_create; | |
15290 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
15291 | shdr = (union lpfc_sli4_cfg_shdr *) &mq_create->header.cfg_shdr; | |
15292 | mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, | |
15293 | &mq_create->u.response); | |
15294 | } | |
15295 | ||
04c68496 | 15296 | /* The IOCTL status is embedded in the mailbox subheader. */ |
04c68496 JS |
15297 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
15298 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15299 | if (shdr_status || shdr_add_status || rc) { | |
15300 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15301 | "2502 MQ_CREATE mailbox failed with " | |
15302 | "status x%x add_status x%x, mbx status x%x\n", | |
15303 | shdr_status, shdr_add_status, rc); | |
15304 | status = -ENXIO; | |
15305 | goto out; | |
15306 | } | |
04c68496 JS |
15307 | if (mq->queue_id == 0xFFFF) { |
15308 | status = -ENXIO; | |
15309 | goto out; | |
15310 | } | |
15311 | mq->type = LPFC_MQ; | |
2a622bfb | 15312 | mq->assoc_qid = cq->queue_id; |
04c68496 JS |
15313 | mq->subtype = subtype; |
15314 | mq->host_index = 0; | |
15315 | mq->hba_index = 0; | |
64eb4dcb | 15316 | mq->entry_repost = LPFC_MQ_REPOST; |
04c68496 JS |
15317 | |
15318 | /* link the mq onto the parent cq child list */ | |
15319 | list_add_tail(&mq->list, &cq->child_list); | |
15320 | out: | |
8fa38513 | 15321 | mempool_free(mbox, phba->mbox_mem_pool); |
04c68496 JS |
15322 | return status; |
15323 | } | |
15324 | ||
4f774513 JS |
15325 | /** |
15326 | * lpfc_wq_create - Create a Work Queue on the HBA | |
15327 | * @phba: HBA structure that indicates port to create a queue on. | |
15328 | * @wq: The queue structure to use to create the work queue. | |
15329 | * @cq: The completion queue to bind this work queue to. | |
15330 | * @subtype: The subtype of the work queue indicating its functionality. | |
15331 | * | |
15332 | * This function creates a work queue, as detailed in @wq, on a port, described | |
15333 | * by @phba by sending a WQ_CREATE mailbox command to the HBA. | |
15334 | * | |
15335 | * The @phba struct is used to send mailbox command to HBA. The @wq struct | |
15336 | * is used to get the entry count and entry size that are necessary to | |
15337 | * determine the number of pages to allocate and use for this queue. The @cq | |
15338 | * is used to indicate which completion queue to bind this work queue to. This | |
15339 | * function will send the WQ_CREATE mailbox command to the HBA to setup the | |
15340 | * work queue. This function is asynchronous and will wait for the mailbox | |
15341 | * command to finish before continuing. | |
15342 | * | |
15343 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
15344 | * memory this function will return -ENOMEM. If the queue create mailbox command |
15345 | * fails this function will return -ENXIO. | |
4f774513 | 15346 | **/ |
a2fc4aef | 15347 | int |
4f774513 JS |
15348 | lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq, |
15349 | struct lpfc_queue *cq, uint32_t subtype) | |
15350 | { | |
15351 | struct lpfc_mbx_wq_create *wq_create; | |
15352 | struct lpfc_dmabuf *dmabuf; | |
15353 | LPFC_MBOXQ_t *mbox; | |
15354 | int rc, length, status = 0; | |
15355 | uint32_t shdr_status, shdr_add_status; | |
15356 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 15357 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
5a6f133e | 15358 | struct dma_address *page; |
962bc51b JS |
15359 | void __iomem *bar_memmap_p; |
15360 | uint32_t db_offset; | |
15361 | uint16_t pci_barset; | |
1351e69f JS |
15362 | uint8_t dpp_barset; |
15363 | uint32_t dpp_offset; | |
15364 | unsigned long pg_addr; | |
81b96eda | 15365 | uint8_t wq_create_version; |
49198b37 | 15366 | |
2e90f4b5 JS |
15367 | /* sanity check on queue memory */ |
15368 | if (!wq || !cq) | |
15369 | return -ENODEV; | |
49198b37 | 15370 | if (!phba->sli4_hba.pc_sli4_params.supported) |
81b96eda | 15371 | hw_page_size = wq->page_size; |
4f774513 JS |
15372 | |
15373 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15374 | if (!mbox) | |
15375 | return -ENOMEM; | |
15376 | length = (sizeof(struct lpfc_mbx_wq_create) - | |
15377 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15378 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15379 | LPFC_MBOX_OPCODE_FCOE_WQ_CREATE, | |
15380 | length, LPFC_SLI4_MBX_EMBED); | |
15381 | wq_create = &mbox->u.mqe.un.wq_create; | |
5a6f133e | 15382 | shdr = (union lpfc_sli4_cfg_shdr *) &wq_create->header.cfg_shdr; |
4f774513 JS |
15383 | bf_set(lpfc_mbx_wq_create_num_pages, &wq_create->u.request, |
15384 | wq->page_count); | |
15385 | bf_set(lpfc_mbx_wq_create_cq_id, &wq_create->u.request, | |
15386 | cq->queue_id); | |
0c651878 JS |
15387 | |
15388 | /* wqv is the earliest version supported, NOT the latest */ | |
5a6f133e JS |
15389 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
15390 | phba->sli4_hba.pc_sli4_params.wqv); | |
962bc51b | 15391 | |
c176ffa0 JS |
15392 | if ((phba->sli4_hba.pc_sli4_params.wqsize & LPFC_WQ_SZ128_SUPPORT) || |
15393 | (wq->page_size > SLI4_PAGE_SIZE)) | |
81b96eda JS |
15394 | wq_create_version = LPFC_Q_CREATE_VERSION_1; |
15395 | else | |
15396 | wq_create_version = LPFC_Q_CREATE_VERSION_0; | |
15397 | ||
0c651878 | 15398 | |
1351e69f JS |
15399 | if (phba->sli4_hba.pc_sli4_params.wqsize & LPFC_WQ_SZ128_SUPPORT) |
15400 | wq_create_version = LPFC_Q_CREATE_VERSION_1; | |
15401 | else | |
15402 | wq_create_version = LPFC_Q_CREATE_VERSION_0; | |
15403 | ||
15404 | switch (wq_create_version) { | |
0c651878 | 15405 | case LPFC_Q_CREATE_VERSION_1: |
5a6f133e JS |
15406 | bf_set(lpfc_mbx_wq_create_wqe_count, &wq_create->u.request_1, |
15407 | wq->entry_count); | |
3f247de7 JS |
15408 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
15409 | LPFC_Q_CREATE_VERSION_1); | |
15410 | ||
5a6f133e JS |
15411 | switch (wq->entry_size) { |
15412 | default: | |
15413 | case 64: | |
15414 | bf_set(lpfc_mbx_wq_create_wqe_size, | |
15415 | &wq_create->u.request_1, | |
15416 | LPFC_WQ_WQE_SIZE_64); | |
15417 | break; | |
15418 | case 128: | |
15419 | bf_set(lpfc_mbx_wq_create_wqe_size, | |
15420 | &wq_create->u.request_1, | |
15421 | LPFC_WQ_WQE_SIZE_128); | |
15422 | break; | |
15423 | } | |
1351e69f JS |
15424 | /* Request DPP by default */ |
15425 | bf_set(lpfc_mbx_wq_create_dpp_req, &wq_create->u.request_1, 1); | |
8ea73db4 JS |
15426 | bf_set(lpfc_mbx_wq_create_page_size, |
15427 | &wq_create->u.request_1, | |
81b96eda | 15428 | (wq->page_size / SLI4_PAGE_SIZE)); |
5a6f133e | 15429 | page = wq_create->u.request_1.page; |
0c651878 JS |
15430 | break; |
15431 | default: | |
1351e69f JS |
15432 | page = wq_create->u.request.page; |
15433 | break; | |
5a6f133e | 15434 | } |
0c651878 | 15435 | |
4f774513 | 15436 | list_for_each_entry(dmabuf, &wq->page_list, list) { |
49198b37 | 15437 | memset(dmabuf->virt, 0, hw_page_size); |
5a6f133e JS |
15438 | page[dmabuf->buffer_tag].addr_lo = putPaddrLow(dmabuf->phys); |
15439 | page[dmabuf->buffer_tag].addr_hi = putPaddrHigh(dmabuf->phys); | |
4f774513 | 15440 | } |
962bc51b JS |
15441 | |
15442 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) | |
15443 | bf_set(lpfc_mbx_wq_create_dua, &wq_create->u.request, 1); | |
15444 | ||
4f774513 JS |
15445 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
15446 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
15447 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
15448 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15449 | if (shdr_status || shdr_add_status || rc) { | |
15450 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15451 | "2503 WQ_CREATE mailbox failed with " | |
15452 | "status x%x add_status x%x, mbx status x%x\n", | |
15453 | shdr_status, shdr_add_status, rc); | |
15454 | status = -ENXIO; | |
15455 | goto out; | |
15456 | } | |
1351e69f JS |
15457 | |
15458 | if (wq_create_version == LPFC_Q_CREATE_VERSION_0) | |
15459 | wq->queue_id = bf_get(lpfc_mbx_wq_create_q_id, | |
15460 | &wq_create->u.response); | |
15461 | else | |
15462 | wq->queue_id = bf_get(lpfc_mbx_wq_create_v1_q_id, | |
15463 | &wq_create->u.response_1); | |
15464 | ||
4f774513 JS |
15465 | if (wq->queue_id == 0xFFFF) { |
15466 | status = -ENXIO; | |
15467 | goto out; | |
15468 | } | |
1351e69f JS |
15469 | |
15470 | wq->db_format = LPFC_DB_LIST_FORMAT; | |
15471 | if (wq_create_version == LPFC_Q_CREATE_VERSION_0) { | |
15472 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) { | |
15473 | wq->db_format = bf_get(lpfc_mbx_wq_create_db_format, | |
15474 | &wq_create->u.response); | |
15475 | if ((wq->db_format != LPFC_DB_LIST_FORMAT) && | |
15476 | (wq->db_format != LPFC_DB_RING_FORMAT)) { | |
15477 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15478 | "3265 WQ[%d] doorbell format " | |
15479 | "not supported: x%x\n", | |
15480 | wq->queue_id, wq->db_format); | |
15481 | status = -EINVAL; | |
15482 | goto out; | |
15483 | } | |
15484 | pci_barset = bf_get(lpfc_mbx_wq_create_bar_set, | |
15485 | &wq_create->u.response); | |
15486 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, | |
15487 | pci_barset); | |
15488 | if (!bar_memmap_p) { | |
15489 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15490 | "3263 WQ[%d] failed to memmap " | |
15491 | "pci barset:x%x\n", | |
15492 | wq->queue_id, pci_barset); | |
15493 | status = -ENOMEM; | |
15494 | goto out; | |
15495 | } | |
15496 | db_offset = wq_create->u.response.doorbell_offset; | |
15497 | if ((db_offset != LPFC_ULP0_WQ_DOORBELL) && | |
15498 | (db_offset != LPFC_ULP1_WQ_DOORBELL)) { | |
15499 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15500 | "3252 WQ[%d] doorbell offset " | |
15501 | "not supported: x%x\n", | |
15502 | wq->queue_id, db_offset); | |
15503 | status = -EINVAL; | |
15504 | goto out; | |
15505 | } | |
15506 | wq->db_regaddr = bar_memmap_p + db_offset; | |
15507 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
15508 | "3264 WQ[%d]: barset:x%x, offset:x%x, " | |
15509 | "format:x%x\n", wq->queue_id, | |
15510 | pci_barset, db_offset, wq->db_format); | |
15511 | } else | |
15512 | wq->db_regaddr = phba->sli4_hba.WQDBregaddr; | |
962bc51b | 15513 | } else { |
1351e69f JS |
15514 | /* Check if DPP was honored by the firmware */ |
15515 | wq->dpp_enable = bf_get(lpfc_mbx_wq_create_dpp_rsp, | |
15516 | &wq_create->u.response_1); | |
15517 | if (wq->dpp_enable) { | |
15518 | pci_barset = bf_get(lpfc_mbx_wq_create_v1_bar_set, | |
15519 | &wq_create->u.response_1); | |
15520 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, | |
15521 | pci_barset); | |
15522 | if (!bar_memmap_p) { | |
15523 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15524 | "3267 WQ[%d] failed to memmap " | |
15525 | "pci barset:x%x\n", | |
15526 | wq->queue_id, pci_barset); | |
15527 | status = -ENOMEM; | |
15528 | goto out; | |
15529 | } | |
15530 | db_offset = wq_create->u.response_1.doorbell_offset; | |
15531 | wq->db_regaddr = bar_memmap_p + db_offset; | |
15532 | wq->dpp_id = bf_get(lpfc_mbx_wq_create_dpp_id, | |
15533 | &wq_create->u.response_1); | |
15534 | dpp_barset = bf_get(lpfc_mbx_wq_create_dpp_bar, | |
15535 | &wq_create->u.response_1); | |
15536 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, | |
15537 | dpp_barset); | |
15538 | if (!bar_memmap_p) { | |
15539 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15540 | "3268 WQ[%d] failed to memmap " | |
15541 | "pci barset:x%x\n", | |
15542 | wq->queue_id, dpp_barset); | |
15543 | status = -ENOMEM; | |
15544 | goto out; | |
15545 | } | |
15546 | dpp_offset = wq_create->u.response_1.dpp_offset; | |
15547 | wq->dpp_regaddr = bar_memmap_p + dpp_offset; | |
15548 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
15549 | "3271 WQ[%d]: barset:x%x, offset:x%x, " | |
15550 | "dpp_id:x%x dpp_barset:x%x " | |
15551 | "dpp_offset:x%x\n", | |
15552 | wq->queue_id, pci_barset, db_offset, | |
15553 | wq->dpp_id, dpp_barset, dpp_offset); | |
15554 | ||
15555 | /* Enable combined writes for DPP aperture */ | |
15556 | pg_addr = (unsigned long)(wq->dpp_regaddr) & PAGE_MASK; | |
15557 | #ifdef CONFIG_X86 | |
15558 | rc = set_memory_wc(pg_addr, 1); | |
15559 | if (rc) { | |
15560 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15561 | "3272 Cannot setup Combined " | |
15562 | "Write on WQ[%d] - disable DPP\n", | |
15563 | wq->queue_id); | |
15564 | phba->cfg_enable_dpp = 0; | |
15565 | } | |
15566 | #else | |
15567 | phba->cfg_enable_dpp = 0; | |
15568 | #endif | |
15569 | } else | |
15570 | wq->db_regaddr = phba->sli4_hba.WQDBregaddr; | |
962bc51b | 15571 | } |
895427bd JS |
15572 | wq->pring = kzalloc(sizeof(struct lpfc_sli_ring), GFP_KERNEL); |
15573 | if (wq->pring == NULL) { | |
15574 | status = -ENOMEM; | |
15575 | goto out; | |
15576 | } | |
4f774513 | 15577 | wq->type = LPFC_WQ; |
2a622bfb | 15578 | wq->assoc_qid = cq->queue_id; |
4f774513 JS |
15579 | wq->subtype = subtype; |
15580 | wq->host_index = 0; | |
15581 | wq->hba_index = 0; | |
ff78d8f9 | 15582 | wq->entry_repost = LPFC_RELEASE_NOTIFICATION_INTERVAL; |
4f774513 JS |
15583 | |
15584 | /* link the wq onto the parent cq child list */ | |
15585 | list_add_tail(&wq->list, &cq->child_list); | |
15586 | out: | |
8fa38513 | 15587 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
15588 | return status; |
15589 | } | |
15590 | ||
15591 | /** | |
15592 | * lpfc_rq_create - Create a Receive Queue on the HBA | |
15593 | * @phba: HBA structure that indicates port to create a queue on. | |
15594 | * @hrq: The queue structure to use to create the header receive queue. | |
15595 | * @drq: The queue structure to use to create the data receive queue. | |
15596 | * @cq: The completion queue to bind this work queue to. | |
15597 | * | |
15598 | * This function creates a receive buffer queue pair , as detailed in @hrq and | |
15599 | * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command | |
15600 | * to the HBA. | |
15601 | * | |
15602 | * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq | |
15603 | * struct is used to get the entry count that is necessary to determine the | |
15604 | * number of pages to use for this queue. The @cq is used to indicate which | |
15605 | * completion queue to bind received buffers that are posted to these queues to. | |
15606 | * This function will send the RQ_CREATE mailbox command to the HBA to setup the | |
15607 | * receive queue pair. This function is asynchronous and will wait for the | |
15608 | * mailbox command to finish before continuing. | |
15609 | * | |
15610 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
15611 | * memory this function will return -ENOMEM. If the queue create mailbox command |
15612 | * fails this function will return -ENXIO. | |
4f774513 | 15613 | **/ |
a2fc4aef | 15614 | int |
4f774513 JS |
15615 | lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
15616 | struct lpfc_queue *drq, struct lpfc_queue *cq, uint32_t subtype) | |
15617 | { | |
15618 | struct lpfc_mbx_rq_create *rq_create; | |
15619 | struct lpfc_dmabuf *dmabuf; | |
15620 | LPFC_MBOXQ_t *mbox; | |
15621 | int rc, length, status = 0; | |
15622 | uint32_t shdr_status, shdr_add_status; | |
15623 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 15624 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
962bc51b JS |
15625 | void __iomem *bar_memmap_p; |
15626 | uint32_t db_offset; | |
15627 | uint16_t pci_barset; | |
49198b37 | 15628 | |
2e90f4b5 JS |
15629 | /* sanity check on queue memory */ |
15630 | if (!hrq || !drq || !cq) | |
15631 | return -ENODEV; | |
49198b37 JS |
15632 | if (!phba->sli4_hba.pc_sli4_params.supported) |
15633 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
15634 | |
15635 | if (hrq->entry_count != drq->entry_count) | |
15636 | return -EINVAL; | |
15637 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15638 | if (!mbox) | |
15639 | return -ENOMEM; | |
15640 | length = (sizeof(struct lpfc_mbx_rq_create) - | |
15641 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15642 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15643 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, | |
15644 | length, LPFC_SLI4_MBX_EMBED); | |
15645 | rq_create = &mbox->u.mqe.un.rq_create; | |
5a6f133e JS |
15646 | shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr; |
15647 | bf_set(lpfc_mbox_hdr_version, &shdr->request, | |
15648 | phba->sli4_hba.pc_sli4_params.rqv); | |
15649 | if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) { | |
15650 | bf_set(lpfc_rq_context_rqe_count_1, | |
15651 | &rq_create->u.request.context, | |
15652 | hrq->entry_count); | |
15653 | rq_create->u.request.context.buffer_size = LPFC_HDR_BUF_SIZE; | |
c31098ce JS |
15654 | bf_set(lpfc_rq_context_rqe_size, |
15655 | &rq_create->u.request.context, | |
15656 | LPFC_RQE_SIZE_8); | |
15657 | bf_set(lpfc_rq_context_page_size, | |
15658 | &rq_create->u.request.context, | |
8ea73db4 | 15659 | LPFC_RQ_PAGE_SIZE_4096); |
5a6f133e JS |
15660 | } else { |
15661 | switch (hrq->entry_count) { | |
15662 | default: | |
15663 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15664 | "2535 Unsupported RQ count. (%d)\n", | |
15665 | hrq->entry_count); | |
4f4c1863 JS |
15666 | if (hrq->entry_count < 512) { |
15667 | status = -EINVAL; | |
15668 | goto out; | |
15669 | } | |
5a6f133e JS |
15670 | /* otherwise default to smallest count (drop through) */ |
15671 | case 512: | |
15672 | bf_set(lpfc_rq_context_rqe_count, | |
15673 | &rq_create->u.request.context, | |
15674 | LPFC_RQ_RING_SIZE_512); | |
15675 | break; | |
15676 | case 1024: | |
15677 | bf_set(lpfc_rq_context_rqe_count, | |
15678 | &rq_create->u.request.context, | |
15679 | LPFC_RQ_RING_SIZE_1024); | |
15680 | break; | |
15681 | case 2048: | |
15682 | bf_set(lpfc_rq_context_rqe_count, | |
15683 | &rq_create->u.request.context, | |
15684 | LPFC_RQ_RING_SIZE_2048); | |
15685 | break; | |
15686 | case 4096: | |
15687 | bf_set(lpfc_rq_context_rqe_count, | |
15688 | &rq_create->u.request.context, | |
15689 | LPFC_RQ_RING_SIZE_4096); | |
15690 | break; | |
15691 | } | |
15692 | bf_set(lpfc_rq_context_buf_size, &rq_create->u.request.context, | |
15693 | LPFC_HDR_BUF_SIZE); | |
4f774513 JS |
15694 | } |
15695 | bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context, | |
15696 | cq->queue_id); | |
15697 | bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, | |
15698 | hrq->page_count); | |
4f774513 | 15699 | list_for_each_entry(dmabuf, &hrq->page_list, list) { |
49198b37 | 15700 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
15701 | rq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
15702 | putPaddrLow(dmabuf->phys); | |
15703 | rq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
15704 | putPaddrHigh(dmabuf->phys); | |
15705 | } | |
962bc51b JS |
15706 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) |
15707 | bf_set(lpfc_mbx_rq_create_dua, &rq_create->u.request, 1); | |
15708 | ||
4f774513 JS |
15709 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
15710 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
15711 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
15712 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15713 | if (shdr_status || shdr_add_status || rc) { | |
15714 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15715 | "2504 RQ_CREATE mailbox failed with " | |
15716 | "status x%x add_status x%x, mbx status x%x\n", | |
15717 | shdr_status, shdr_add_status, rc); | |
15718 | status = -ENXIO; | |
15719 | goto out; | |
15720 | } | |
15721 | hrq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
15722 | if (hrq->queue_id == 0xFFFF) { | |
15723 | status = -ENXIO; | |
15724 | goto out; | |
15725 | } | |
962bc51b JS |
15726 | |
15727 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) { | |
15728 | hrq->db_format = bf_get(lpfc_mbx_rq_create_db_format, | |
15729 | &rq_create->u.response); | |
15730 | if ((hrq->db_format != LPFC_DB_LIST_FORMAT) && | |
15731 | (hrq->db_format != LPFC_DB_RING_FORMAT)) { | |
15732 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15733 | "3262 RQ [%d] doorbell format not " | |
15734 | "supported: x%x\n", hrq->queue_id, | |
15735 | hrq->db_format); | |
15736 | status = -EINVAL; | |
15737 | goto out; | |
15738 | } | |
15739 | ||
15740 | pci_barset = bf_get(lpfc_mbx_rq_create_bar_set, | |
15741 | &rq_create->u.response); | |
15742 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, pci_barset); | |
15743 | if (!bar_memmap_p) { | |
15744 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15745 | "3269 RQ[%d] failed to memmap pci " | |
15746 | "barset:x%x\n", hrq->queue_id, | |
15747 | pci_barset); | |
15748 | status = -ENOMEM; | |
15749 | goto out; | |
15750 | } | |
15751 | ||
15752 | db_offset = rq_create->u.response.doorbell_offset; | |
15753 | if ((db_offset != LPFC_ULP0_RQ_DOORBELL) && | |
15754 | (db_offset != LPFC_ULP1_RQ_DOORBELL)) { | |
15755 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15756 | "3270 RQ[%d] doorbell offset not " | |
15757 | "supported: x%x\n", hrq->queue_id, | |
15758 | db_offset); | |
15759 | status = -EINVAL; | |
15760 | goto out; | |
15761 | } | |
15762 | hrq->db_regaddr = bar_memmap_p + db_offset; | |
15763 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
a22e7db3 JS |
15764 | "3266 RQ[qid:%d]: barset:x%x, offset:x%x, " |
15765 | "format:x%x\n", hrq->queue_id, pci_barset, | |
15766 | db_offset, hrq->db_format); | |
962bc51b JS |
15767 | } else { |
15768 | hrq->db_format = LPFC_DB_RING_FORMAT; | |
15769 | hrq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
15770 | } | |
4f774513 | 15771 | hrq->type = LPFC_HRQ; |
2a622bfb | 15772 | hrq->assoc_qid = cq->queue_id; |
4f774513 JS |
15773 | hrq->subtype = subtype; |
15774 | hrq->host_index = 0; | |
15775 | hrq->hba_index = 0; | |
61f3d4bf | 15776 | hrq->entry_repost = LPFC_RQ_REPOST; |
4f774513 JS |
15777 | |
15778 | /* now create the data queue */ | |
15779 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15780 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, | |
15781 | length, LPFC_SLI4_MBX_EMBED); | |
5a6f133e JS |
15782 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
15783 | phba->sli4_hba.pc_sli4_params.rqv); | |
15784 | if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) { | |
15785 | bf_set(lpfc_rq_context_rqe_count_1, | |
c31098ce | 15786 | &rq_create->u.request.context, hrq->entry_count); |
3c603be9 JS |
15787 | if (subtype == LPFC_NVMET) |
15788 | rq_create->u.request.context.buffer_size = | |
15789 | LPFC_NVMET_DATA_BUF_SIZE; | |
15790 | else | |
15791 | rq_create->u.request.context.buffer_size = | |
15792 | LPFC_DATA_BUF_SIZE; | |
c31098ce JS |
15793 | bf_set(lpfc_rq_context_rqe_size, &rq_create->u.request.context, |
15794 | LPFC_RQE_SIZE_8); | |
15795 | bf_set(lpfc_rq_context_page_size, &rq_create->u.request.context, | |
15796 | (PAGE_SIZE/SLI4_PAGE_SIZE)); | |
5a6f133e JS |
15797 | } else { |
15798 | switch (drq->entry_count) { | |
15799 | default: | |
15800 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15801 | "2536 Unsupported RQ count. (%d)\n", | |
15802 | drq->entry_count); | |
4f4c1863 JS |
15803 | if (drq->entry_count < 512) { |
15804 | status = -EINVAL; | |
15805 | goto out; | |
15806 | } | |
5a6f133e JS |
15807 | /* otherwise default to smallest count (drop through) */ |
15808 | case 512: | |
15809 | bf_set(lpfc_rq_context_rqe_count, | |
15810 | &rq_create->u.request.context, | |
15811 | LPFC_RQ_RING_SIZE_512); | |
15812 | break; | |
15813 | case 1024: | |
15814 | bf_set(lpfc_rq_context_rqe_count, | |
15815 | &rq_create->u.request.context, | |
15816 | LPFC_RQ_RING_SIZE_1024); | |
15817 | break; | |
15818 | case 2048: | |
15819 | bf_set(lpfc_rq_context_rqe_count, | |
15820 | &rq_create->u.request.context, | |
15821 | LPFC_RQ_RING_SIZE_2048); | |
15822 | break; | |
15823 | case 4096: | |
15824 | bf_set(lpfc_rq_context_rqe_count, | |
15825 | &rq_create->u.request.context, | |
15826 | LPFC_RQ_RING_SIZE_4096); | |
15827 | break; | |
15828 | } | |
3c603be9 JS |
15829 | if (subtype == LPFC_NVMET) |
15830 | bf_set(lpfc_rq_context_buf_size, | |
15831 | &rq_create->u.request.context, | |
15832 | LPFC_NVMET_DATA_BUF_SIZE); | |
15833 | else | |
15834 | bf_set(lpfc_rq_context_buf_size, | |
15835 | &rq_create->u.request.context, | |
15836 | LPFC_DATA_BUF_SIZE); | |
4f774513 JS |
15837 | } |
15838 | bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context, | |
15839 | cq->queue_id); | |
15840 | bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, | |
15841 | drq->page_count); | |
4f774513 JS |
15842 | list_for_each_entry(dmabuf, &drq->page_list, list) { |
15843 | rq_create->u.request.page[dmabuf->buffer_tag].addr_lo = | |
15844 | putPaddrLow(dmabuf->phys); | |
15845 | rq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
15846 | putPaddrHigh(dmabuf->phys); | |
15847 | } | |
962bc51b JS |
15848 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) |
15849 | bf_set(lpfc_mbx_rq_create_dua, &rq_create->u.request, 1); | |
4f774513 JS |
15850 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
15851 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15852 | shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr; | |
15853 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15854 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15855 | if (shdr_status || shdr_add_status || rc) { | |
15856 | status = -ENXIO; | |
15857 | goto out; | |
15858 | } | |
15859 | drq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
15860 | if (drq->queue_id == 0xFFFF) { | |
15861 | status = -ENXIO; | |
15862 | goto out; | |
15863 | } | |
15864 | drq->type = LPFC_DRQ; | |
2a622bfb | 15865 | drq->assoc_qid = cq->queue_id; |
4f774513 JS |
15866 | drq->subtype = subtype; |
15867 | drq->host_index = 0; | |
15868 | drq->hba_index = 0; | |
61f3d4bf | 15869 | drq->entry_repost = LPFC_RQ_REPOST; |
4f774513 JS |
15870 | |
15871 | /* link the header and data RQs onto the parent cq child list */ | |
15872 | list_add_tail(&hrq->list, &cq->child_list); | |
15873 | list_add_tail(&drq->list, &cq->child_list); | |
15874 | ||
15875 | out: | |
8fa38513 | 15876 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
15877 | return status; |
15878 | } | |
15879 | ||
2d7dbc4c JS |
15880 | /** |
15881 | * lpfc_mrq_create - Create MRQ Receive Queues on the HBA | |
15882 | * @phba: HBA structure that indicates port to create a queue on. | |
15883 | * @hrqp: The queue structure array to use to create the header receive queues. | |
15884 | * @drqp: The queue structure array to use to create the data receive queues. | |
15885 | * @cqp: The completion queue array to bind these receive queues to. | |
15886 | * | |
15887 | * This function creates a receive buffer queue pair , as detailed in @hrq and | |
15888 | * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command | |
15889 | * to the HBA. | |
15890 | * | |
15891 | * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq | |
15892 | * struct is used to get the entry count that is necessary to determine the | |
15893 | * number of pages to use for this queue. The @cq is used to indicate which | |
15894 | * completion queue to bind received buffers that are posted to these queues to. | |
15895 | * This function will send the RQ_CREATE mailbox command to the HBA to setup the | |
15896 | * receive queue pair. This function is asynchronous and will wait for the | |
15897 | * mailbox command to finish before continuing. | |
15898 | * | |
15899 | * On success this function will return a zero. If unable to allocate enough | |
15900 | * memory this function will return -ENOMEM. If the queue create mailbox command | |
15901 | * fails this function will return -ENXIO. | |
15902 | **/ | |
15903 | int | |
15904 | lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp, | |
15905 | struct lpfc_queue **drqp, struct lpfc_queue **cqp, | |
15906 | uint32_t subtype) | |
15907 | { | |
15908 | struct lpfc_queue *hrq, *drq, *cq; | |
15909 | struct lpfc_mbx_rq_create_v2 *rq_create; | |
15910 | struct lpfc_dmabuf *dmabuf; | |
15911 | LPFC_MBOXQ_t *mbox; | |
15912 | int rc, length, alloclen, status = 0; | |
15913 | int cnt, idx, numrq, page_idx = 0; | |
15914 | uint32_t shdr_status, shdr_add_status; | |
15915 | union lpfc_sli4_cfg_shdr *shdr; | |
15916 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; | |
15917 | ||
15918 | numrq = phba->cfg_nvmet_mrq; | |
15919 | /* sanity check on array memory */ | |
15920 | if (!hrqp || !drqp || !cqp || !numrq) | |
15921 | return -ENODEV; | |
15922 | if (!phba->sli4_hba.pc_sli4_params.supported) | |
15923 | hw_page_size = SLI4_PAGE_SIZE; | |
15924 | ||
15925 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15926 | if (!mbox) | |
15927 | return -ENOMEM; | |
15928 | ||
15929 | length = sizeof(struct lpfc_mbx_rq_create_v2); | |
15930 | length += ((2 * numrq * hrqp[0]->page_count) * | |
15931 | sizeof(struct dma_address)); | |
15932 | ||
15933 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15934 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, length, | |
15935 | LPFC_SLI4_MBX_NEMBED); | |
15936 | if (alloclen < length) { | |
15937 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15938 | "3099 Allocated DMA memory size (%d) is " | |
15939 | "less than the requested DMA memory size " | |
15940 | "(%d)\n", alloclen, length); | |
15941 | status = -ENOMEM; | |
15942 | goto out; | |
15943 | } | |
15944 | ||
15945 | ||
15946 | ||
15947 | rq_create = mbox->sge_array->addr[0]; | |
15948 | shdr = (union lpfc_sli4_cfg_shdr *)&rq_create->cfg_shdr; | |
15949 | ||
15950 | bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_Q_CREATE_VERSION_2); | |
15951 | cnt = 0; | |
15952 | ||
15953 | for (idx = 0; idx < numrq; idx++) { | |
15954 | hrq = hrqp[idx]; | |
15955 | drq = drqp[idx]; | |
15956 | cq = cqp[idx]; | |
15957 | ||
2d7dbc4c JS |
15958 | /* sanity check on queue memory */ |
15959 | if (!hrq || !drq || !cq) { | |
15960 | status = -ENODEV; | |
15961 | goto out; | |
15962 | } | |
15963 | ||
7aabe84b JS |
15964 | if (hrq->entry_count != drq->entry_count) { |
15965 | status = -EINVAL; | |
15966 | goto out; | |
15967 | } | |
15968 | ||
2d7dbc4c JS |
15969 | if (idx == 0) { |
15970 | bf_set(lpfc_mbx_rq_create_num_pages, | |
15971 | &rq_create->u.request, | |
15972 | hrq->page_count); | |
15973 | bf_set(lpfc_mbx_rq_create_rq_cnt, | |
15974 | &rq_create->u.request, (numrq * 2)); | |
15975 | bf_set(lpfc_mbx_rq_create_dnb, &rq_create->u.request, | |
15976 | 1); | |
15977 | bf_set(lpfc_rq_context_base_cq, | |
15978 | &rq_create->u.request.context, | |
15979 | cq->queue_id); | |
15980 | bf_set(lpfc_rq_context_data_size, | |
15981 | &rq_create->u.request.context, | |
3c603be9 | 15982 | LPFC_NVMET_DATA_BUF_SIZE); |
2d7dbc4c JS |
15983 | bf_set(lpfc_rq_context_hdr_size, |
15984 | &rq_create->u.request.context, | |
15985 | LPFC_HDR_BUF_SIZE); | |
15986 | bf_set(lpfc_rq_context_rqe_count_1, | |
15987 | &rq_create->u.request.context, | |
15988 | hrq->entry_count); | |
15989 | bf_set(lpfc_rq_context_rqe_size, | |
15990 | &rq_create->u.request.context, | |
15991 | LPFC_RQE_SIZE_8); | |
15992 | bf_set(lpfc_rq_context_page_size, | |
15993 | &rq_create->u.request.context, | |
15994 | (PAGE_SIZE/SLI4_PAGE_SIZE)); | |
15995 | } | |
15996 | rc = 0; | |
15997 | list_for_each_entry(dmabuf, &hrq->page_list, list) { | |
15998 | memset(dmabuf->virt, 0, hw_page_size); | |
15999 | cnt = page_idx + dmabuf->buffer_tag; | |
16000 | rq_create->u.request.page[cnt].addr_lo = | |
16001 | putPaddrLow(dmabuf->phys); | |
16002 | rq_create->u.request.page[cnt].addr_hi = | |
16003 | putPaddrHigh(dmabuf->phys); | |
16004 | rc++; | |
16005 | } | |
16006 | page_idx += rc; | |
16007 | ||
16008 | rc = 0; | |
16009 | list_for_each_entry(dmabuf, &drq->page_list, list) { | |
16010 | memset(dmabuf->virt, 0, hw_page_size); | |
16011 | cnt = page_idx + dmabuf->buffer_tag; | |
16012 | rq_create->u.request.page[cnt].addr_lo = | |
16013 | putPaddrLow(dmabuf->phys); | |
16014 | rq_create->u.request.page[cnt].addr_hi = | |
16015 | putPaddrHigh(dmabuf->phys); | |
16016 | rc++; | |
16017 | } | |
16018 | page_idx += rc; | |
16019 | ||
16020 | hrq->db_format = LPFC_DB_RING_FORMAT; | |
16021 | hrq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
16022 | hrq->type = LPFC_HRQ; | |
16023 | hrq->assoc_qid = cq->queue_id; | |
16024 | hrq->subtype = subtype; | |
16025 | hrq->host_index = 0; | |
16026 | hrq->hba_index = 0; | |
61f3d4bf | 16027 | hrq->entry_repost = LPFC_RQ_REPOST; |
2d7dbc4c JS |
16028 | |
16029 | drq->db_format = LPFC_DB_RING_FORMAT; | |
16030 | drq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
16031 | drq->type = LPFC_DRQ; | |
16032 | drq->assoc_qid = cq->queue_id; | |
16033 | drq->subtype = subtype; | |
16034 | drq->host_index = 0; | |
16035 | drq->hba_index = 0; | |
61f3d4bf | 16036 | drq->entry_repost = LPFC_RQ_REPOST; |
2d7dbc4c JS |
16037 | |
16038 | list_add_tail(&hrq->list, &cq->child_list); | |
16039 | list_add_tail(&drq->list, &cq->child_list); | |
16040 | } | |
16041 | ||
16042 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
16043 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16044 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16045 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16046 | if (shdr_status || shdr_add_status || rc) { | |
16047 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16048 | "3120 RQ_CREATE mailbox failed with " | |
16049 | "status x%x add_status x%x, mbx status x%x\n", | |
16050 | shdr_status, shdr_add_status, rc); | |
16051 | status = -ENXIO; | |
16052 | goto out; | |
16053 | } | |
16054 | rc = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
16055 | if (rc == 0xFFFF) { | |
16056 | status = -ENXIO; | |
16057 | goto out; | |
16058 | } | |
16059 | ||
16060 | /* Initialize all RQs with associated queue id */ | |
16061 | for (idx = 0; idx < numrq; idx++) { | |
16062 | hrq = hrqp[idx]; | |
16063 | hrq->queue_id = rc + (2 * idx); | |
16064 | drq = drqp[idx]; | |
16065 | drq->queue_id = rc + (2 * idx) + 1; | |
16066 | } | |
16067 | ||
16068 | out: | |
16069 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16070 | return status; | |
16071 | } | |
16072 | ||
4f774513 JS |
16073 | /** |
16074 | * lpfc_eq_destroy - Destroy an event Queue on the HBA | |
16075 | * @eq: The queue structure associated with the queue to destroy. | |
16076 | * | |
16077 | * This function destroys a queue, as detailed in @eq by sending an mailbox | |
16078 | * command, specific to the type of queue, to the HBA. | |
16079 | * | |
16080 | * The @eq struct is used to get the queue ID of the queue to destroy. | |
16081 | * | |
16082 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16083 | * command fails this function will return -ENXIO. |
4f774513 | 16084 | **/ |
a2fc4aef | 16085 | int |
4f774513 JS |
16086 | lpfc_eq_destroy(struct lpfc_hba *phba, struct lpfc_queue *eq) |
16087 | { | |
16088 | LPFC_MBOXQ_t *mbox; | |
16089 | int rc, length, status = 0; | |
16090 | uint32_t shdr_status, shdr_add_status; | |
16091 | union lpfc_sli4_cfg_shdr *shdr; | |
16092 | ||
2e90f4b5 | 16093 | /* sanity check on queue memory */ |
4f774513 JS |
16094 | if (!eq) |
16095 | return -ENODEV; | |
16096 | mbox = mempool_alloc(eq->phba->mbox_mem_pool, GFP_KERNEL); | |
16097 | if (!mbox) | |
16098 | return -ENOMEM; | |
16099 | length = (sizeof(struct lpfc_mbx_eq_destroy) - | |
16100 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
16101 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
16102 | LPFC_MBOX_OPCODE_EQ_DESTROY, | |
16103 | length, LPFC_SLI4_MBX_EMBED); | |
16104 | bf_set(lpfc_mbx_eq_destroy_q_id, &mbox->u.mqe.un.eq_destroy.u.request, | |
16105 | eq->queue_id); | |
16106 | mbox->vport = eq->phba->pport; | |
16107 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16108 | ||
16109 | rc = lpfc_sli_issue_mbox(eq->phba, mbox, MBX_POLL); | |
16110 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16111 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16112 | &mbox->u.mqe.un.eq_destroy.header.cfg_shdr; | |
16113 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16114 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16115 | if (shdr_status || shdr_add_status || rc) { | |
16116 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16117 | "2505 EQ_DESTROY mailbox failed with " | |
16118 | "status x%x add_status x%x, mbx status x%x\n", | |
16119 | shdr_status, shdr_add_status, rc); | |
16120 | status = -ENXIO; | |
16121 | } | |
16122 | ||
16123 | /* Remove eq from any list */ | |
16124 | list_del_init(&eq->list); | |
8fa38513 | 16125 | mempool_free(mbox, eq->phba->mbox_mem_pool); |
4f774513 JS |
16126 | return status; |
16127 | } | |
16128 | ||
16129 | /** | |
16130 | * lpfc_cq_destroy - Destroy a Completion Queue on the HBA | |
16131 | * @cq: The queue structure associated with the queue to destroy. | |
16132 | * | |
16133 | * This function destroys a queue, as detailed in @cq by sending an mailbox | |
16134 | * command, specific to the type of queue, to the HBA. | |
16135 | * | |
16136 | * The @cq struct is used to get the queue ID of the queue to destroy. | |
16137 | * | |
16138 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16139 | * command fails this function will return -ENXIO. |
4f774513 | 16140 | **/ |
a2fc4aef | 16141 | int |
4f774513 JS |
16142 | lpfc_cq_destroy(struct lpfc_hba *phba, struct lpfc_queue *cq) |
16143 | { | |
16144 | LPFC_MBOXQ_t *mbox; | |
16145 | int rc, length, status = 0; | |
16146 | uint32_t shdr_status, shdr_add_status; | |
16147 | union lpfc_sli4_cfg_shdr *shdr; | |
16148 | ||
2e90f4b5 | 16149 | /* sanity check on queue memory */ |
4f774513 JS |
16150 | if (!cq) |
16151 | return -ENODEV; | |
16152 | mbox = mempool_alloc(cq->phba->mbox_mem_pool, GFP_KERNEL); | |
16153 | if (!mbox) | |
16154 | return -ENOMEM; | |
16155 | length = (sizeof(struct lpfc_mbx_cq_destroy) - | |
16156 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
16157 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
16158 | LPFC_MBOX_OPCODE_CQ_DESTROY, | |
16159 | length, LPFC_SLI4_MBX_EMBED); | |
16160 | bf_set(lpfc_mbx_cq_destroy_q_id, &mbox->u.mqe.un.cq_destroy.u.request, | |
16161 | cq->queue_id); | |
16162 | mbox->vport = cq->phba->pport; | |
16163 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16164 | rc = lpfc_sli_issue_mbox(cq->phba, mbox, MBX_POLL); | |
16165 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16166 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16167 | &mbox->u.mqe.un.wq_create.header.cfg_shdr; | |
16168 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16169 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16170 | if (shdr_status || shdr_add_status || rc) { | |
16171 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16172 | "2506 CQ_DESTROY mailbox failed with " | |
16173 | "status x%x add_status x%x, mbx status x%x\n", | |
16174 | shdr_status, shdr_add_status, rc); | |
16175 | status = -ENXIO; | |
16176 | } | |
16177 | /* Remove cq from any list */ | |
16178 | list_del_init(&cq->list); | |
8fa38513 | 16179 | mempool_free(mbox, cq->phba->mbox_mem_pool); |
4f774513 JS |
16180 | return status; |
16181 | } | |
16182 | ||
04c68496 JS |
16183 | /** |
16184 | * lpfc_mq_destroy - Destroy a Mailbox Queue on the HBA | |
16185 | * @qm: The queue structure associated with the queue to destroy. | |
16186 | * | |
16187 | * This function destroys a queue, as detailed in @mq by sending an mailbox | |
16188 | * command, specific to the type of queue, to the HBA. | |
16189 | * | |
16190 | * The @mq struct is used to get the queue ID of the queue to destroy. | |
16191 | * | |
16192 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16193 | * command fails this function will return -ENXIO. |
04c68496 | 16194 | **/ |
a2fc4aef | 16195 | int |
04c68496 JS |
16196 | lpfc_mq_destroy(struct lpfc_hba *phba, struct lpfc_queue *mq) |
16197 | { | |
16198 | LPFC_MBOXQ_t *mbox; | |
16199 | int rc, length, status = 0; | |
16200 | uint32_t shdr_status, shdr_add_status; | |
16201 | union lpfc_sli4_cfg_shdr *shdr; | |
16202 | ||
2e90f4b5 | 16203 | /* sanity check on queue memory */ |
04c68496 JS |
16204 | if (!mq) |
16205 | return -ENODEV; | |
16206 | mbox = mempool_alloc(mq->phba->mbox_mem_pool, GFP_KERNEL); | |
16207 | if (!mbox) | |
16208 | return -ENOMEM; | |
16209 | length = (sizeof(struct lpfc_mbx_mq_destroy) - | |
16210 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
16211 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
16212 | LPFC_MBOX_OPCODE_MQ_DESTROY, | |
16213 | length, LPFC_SLI4_MBX_EMBED); | |
16214 | bf_set(lpfc_mbx_mq_destroy_q_id, &mbox->u.mqe.un.mq_destroy.u.request, | |
16215 | mq->queue_id); | |
16216 | mbox->vport = mq->phba->pport; | |
16217 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16218 | rc = lpfc_sli_issue_mbox(mq->phba, mbox, MBX_POLL); | |
16219 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16220 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16221 | &mbox->u.mqe.un.mq_destroy.header.cfg_shdr; | |
16222 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16223 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16224 | if (shdr_status || shdr_add_status || rc) { | |
16225 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16226 | "2507 MQ_DESTROY mailbox failed with " | |
16227 | "status x%x add_status x%x, mbx status x%x\n", | |
16228 | shdr_status, shdr_add_status, rc); | |
16229 | status = -ENXIO; | |
16230 | } | |
16231 | /* Remove mq from any list */ | |
16232 | list_del_init(&mq->list); | |
8fa38513 | 16233 | mempool_free(mbox, mq->phba->mbox_mem_pool); |
04c68496 JS |
16234 | return status; |
16235 | } | |
16236 | ||
4f774513 JS |
16237 | /** |
16238 | * lpfc_wq_destroy - Destroy a Work Queue on the HBA | |
16239 | * @wq: The queue structure associated with the queue to destroy. | |
16240 | * | |
16241 | * This function destroys a queue, as detailed in @wq by sending an mailbox | |
16242 | * command, specific to the type of queue, to the HBA. | |
16243 | * | |
16244 | * The @wq struct is used to get the queue ID of the queue to destroy. | |
16245 | * | |
16246 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16247 | * command fails this function will return -ENXIO. |
4f774513 | 16248 | **/ |
a2fc4aef | 16249 | int |
4f774513 JS |
16250 | lpfc_wq_destroy(struct lpfc_hba *phba, struct lpfc_queue *wq) |
16251 | { | |
16252 | LPFC_MBOXQ_t *mbox; | |
16253 | int rc, length, status = 0; | |
16254 | uint32_t shdr_status, shdr_add_status; | |
16255 | union lpfc_sli4_cfg_shdr *shdr; | |
16256 | ||
2e90f4b5 | 16257 | /* sanity check on queue memory */ |
4f774513 JS |
16258 | if (!wq) |
16259 | return -ENODEV; | |
16260 | mbox = mempool_alloc(wq->phba->mbox_mem_pool, GFP_KERNEL); | |
16261 | if (!mbox) | |
16262 | return -ENOMEM; | |
16263 | length = (sizeof(struct lpfc_mbx_wq_destroy) - | |
16264 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
16265 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16266 | LPFC_MBOX_OPCODE_FCOE_WQ_DESTROY, | |
16267 | length, LPFC_SLI4_MBX_EMBED); | |
16268 | bf_set(lpfc_mbx_wq_destroy_q_id, &mbox->u.mqe.un.wq_destroy.u.request, | |
16269 | wq->queue_id); | |
16270 | mbox->vport = wq->phba->pport; | |
16271 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16272 | rc = lpfc_sli_issue_mbox(wq->phba, mbox, MBX_POLL); | |
16273 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16274 | &mbox->u.mqe.un.wq_destroy.header.cfg_shdr; | |
16275 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16276 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16277 | if (shdr_status || shdr_add_status || rc) { | |
16278 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16279 | "2508 WQ_DESTROY mailbox failed with " | |
16280 | "status x%x add_status x%x, mbx status x%x\n", | |
16281 | shdr_status, shdr_add_status, rc); | |
16282 | status = -ENXIO; | |
16283 | } | |
16284 | /* Remove wq from any list */ | |
16285 | list_del_init(&wq->list); | |
d1f525aa JS |
16286 | kfree(wq->pring); |
16287 | wq->pring = NULL; | |
8fa38513 | 16288 | mempool_free(mbox, wq->phba->mbox_mem_pool); |
4f774513 JS |
16289 | return status; |
16290 | } | |
16291 | ||
16292 | /** | |
16293 | * lpfc_rq_destroy - Destroy a Receive Queue on the HBA | |
16294 | * @rq: The queue structure associated with the queue to destroy. | |
16295 | * | |
16296 | * This function destroys a queue, as detailed in @rq by sending an mailbox | |
16297 | * command, specific to the type of queue, to the HBA. | |
16298 | * | |
16299 | * The @rq struct is used to get the queue ID of the queue to destroy. | |
16300 | * | |
16301 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16302 | * command fails this function will return -ENXIO. |
4f774513 | 16303 | **/ |
a2fc4aef | 16304 | int |
4f774513 JS |
16305 | lpfc_rq_destroy(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
16306 | struct lpfc_queue *drq) | |
16307 | { | |
16308 | LPFC_MBOXQ_t *mbox; | |
16309 | int rc, length, status = 0; | |
16310 | uint32_t shdr_status, shdr_add_status; | |
16311 | union lpfc_sli4_cfg_shdr *shdr; | |
16312 | ||
2e90f4b5 | 16313 | /* sanity check on queue memory */ |
4f774513 JS |
16314 | if (!hrq || !drq) |
16315 | return -ENODEV; | |
16316 | mbox = mempool_alloc(hrq->phba->mbox_mem_pool, GFP_KERNEL); | |
16317 | if (!mbox) | |
16318 | return -ENOMEM; | |
16319 | length = (sizeof(struct lpfc_mbx_rq_destroy) - | |
fedd3b7b | 16320 | sizeof(struct lpfc_sli4_cfg_mhdr)); |
4f774513 JS |
16321 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, |
16322 | LPFC_MBOX_OPCODE_FCOE_RQ_DESTROY, | |
16323 | length, LPFC_SLI4_MBX_EMBED); | |
16324 | bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request, | |
16325 | hrq->queue_id); | |
16326 | mbox->vport = hrq->phba->pport; | |
16327 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16328 | rc = lpfc_sli_issue_mbox(hrq->phba, mbox, MBX_POLL); | |
16329 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16330 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16331 | &mbox->u.mqe.un.rq_destroy.header.cfg_shdr; | |
16332 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16333 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16334 | if (shdr_status || shdr_add_status || rc) { | |
16335 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16336 | "2509 RQ_DESTROY mailbox failed with " | |
16337 | "status x%x add_status x%x, mbx status x%x\n", | |
16338 | shdr_status, shdr_add_status, rc); | |
16339 | if (rc != MBX_TIMEOUT) | |
16340 | mempool_free(mbox, hrq->phba->mbox_mem_pool); | |
16341 | return -ENXIO; | |
16342 | } | |
16343 | bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request, | |
16344 | drq->queue_id); | |
16345 | rc = lpfc_sli_issue_mbox(drq->phba, mbox, MBX_POLL); | |
16346 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16347 | &mbox->u.mqe.un.rq_destroy.header.cfg_shdr; | |
16348 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16349 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16350 | if (shdr_status || shdr_add_status || rc) { | |
16351 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16352 | "2510 RQ_DESTROY mailbox failed with " | |
16353 | "status x%x add_status x%x, mbx status x%x\n", | |
16354 | shdr_status, shdr_add_status, rc); | |
16355 | status = -ENXIO; | |
16356 | } | |
16357 | list_del_init(&hrq->list); | |
16358 | list_del_init(&drq->list); | |
8fa38513 | 16359 | mempool_free(mbox, hrq->phba->mbox_mem_pool); |
4f774513 JS |
16360 | return status; |
16361 | } | |
16362 | ||
16363 | /** | |
16364 | * lpfc_sli4_post_sgl - Post scatter gather list for an XRI to HBA | |
16365 | * @phba: The virtual port for which this call being executed. | |
16366 | * @pdma_phys_addr0: Physical address of the 1st SGL page. | |
16367 | * @pdma_phys_addr1: Physical address of the 2nd SGL page. | |
16368 | * @xritag: the xritag that ties this io to the SGL pages. | |
16369 | * | |
16370 | * This routine will post the sgl pages for the IO that has the xritag | |
16371 | * that is in the iocbq structure. The xritag is assigned during iocbq | |
16372 | * creation and persists for as long as the driver is loaded. | |
16373 | * if the caller has fewer than 256 scatter gather segments to map then | |
16374 | * pdma_phys_addr1 should be 0. | |
16375 | * If the caller needs to map more than 256 scatter gather segment then | |
16376 | * pdma_phys_addr1 should be a valid physical address. | |
16377 | * physical address for SGLs must be 64 byte aligned. | |
16378 | * If you are going to map 2 SGL's then the first one must have 256 entries | |
16379 | * the second sgl can have between 1 and 256 entries. | |
16380 | * | |
16381 | * Return codes: | |
16382 | * 0 - Success | |
16383 | * -ENXIO, -ENOMEM - Failure | |
16384 | **/ | |
16385 | int | |
16386 | lpfc_sli4_post_sgl(struct lpfc_hba *phba, | |
16387 | dma_addr_t pdma_phys_addr0, | |
16388 | dma_addr_t pdma_phys_addr1, | |
16389 | uint16_t xritag) | |
16390 | { | |
16391 | struct lpfc_mbx_post_sgl_pages *post_sgl_pages; | |
16392 | LPFC_MBOXQ_t *mbox; | |
16393 | int rc; | |
16394 | uint32_t shdr_status, shdr_add_status; | |
6d368e53 | 16395 | uint32_t mbox_tmo; |
4f774513 JS |
16396 | union lpfc_sli4_cfg_shdr *shdr; |
16397 | ||
16398 | if (xritag == NO_XRI) { | |
16399 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16400 | "0364 Invalid param:\n"); | |
16401 | return -EINVAL; | |
16402 | } | |
16403 | ||
16404 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
16405 | if (!mbox) | |
16406 | return -ENOMEM; | |
16407 | ||
16408 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16409 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, | |
16410 | sizeof(struct lpfc_mbx_post_sgl_pages) - | |
fedd3b7b | 16411 | sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED); |
4f774513 JS |
16412 | |
16413 | post_sgl_pages = (struct lpfc_mbx_post_sgl_pages *) | |
16414 | &mbox->u.mqe.un.post_sgl_pages; | |
16415 | bf_set(lpfc_post_sgl_pages_xri, post_sgl_pages, xritag); | |
16416 | bf_set(lpfc_post_sgl_pages_xricnt, post_sgl_pages, 1); | |
16417 | ||
16418 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_lo = | |
16419 | cpu_to_le32(putPaddrLow(pdma_phys_addr0)); | |
16420 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_hi = | |
16421 | cpu_to_le32(putPaddrHigh(pdma_phys_addr0)); | |
16422 | ||
16423 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_lo = | |
16424 | cpu_to_le32(putPaddrLow(pdma_phys_addr1)); | |
16425 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_hi = | |
16426 | cpu_to_le32(putPaddrHigh(pdma_phys_addr1)); | |
16427 | if (!phba->sli4_hba.intr_enable) | |
16428 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6d368e53 | 16429 | else { |
a183a15f | 16430 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
16431 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
16432 | } | |
4f774513 JS |
16433 | /* The IOCTL status is embedded in the mailbox subheader. */ |
16434 | shdr = (union lpfc_sli4_cfg_shdr *) &post_sgl_pages->header.cfg_shdr; | |
16435 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16436 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16437 | if (rc != MBX_TIMEOUT) | |
16438 | mempool_free(mbox, phba->mbox_mem_pool); | |
16439 | if (shdr_status || shdr_add_status || rc) { | |
16440 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16441 | "2511 POST_SGL mailbox failed with " | |
16442 | "status x%x add_status x%x, mbx status x%x\n", | |
16443 | shdr_status, shdr_add_status, rc); | |
4f774513 JS |
16444 | } |
16445 | return 0; | |
16446 | } | |
4f774513 | 16447 | |
6d368e53 | 16448 | /** |
88a2cfbb | 16449 | * lpfc_sli4_alloc_xri - Get an available rpi in the device's range |
6d368e53 JS |
16450 | * @phba: pointer to lpfc hba data structure. |
16451 | * | |
16452 | * This routine is invoked to post rpi header templates to the | |
88a2cfbb JS |
16453 | * HBA consistent with the SLI-4 interface spec. This routine |
16454 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to | |
16455 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6d368e53 | 16456 | * |
88a2cfbb JS |
16457 | * Returns |
16458 | * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful | |
16459 | * LPFC_RPI_ALLOC_ERROR if no rpis are available. | |
16460 | **/ | |
5d8b8167 | 16461 | static uint16_t |
6d368e53 JS |
16462 | lpfc_sli4_alloc_xri(struct lpfc_hba *phba) |
16463 | { | |
16464 | unsigned long xri; | |
16465 | ||
16466 | /* | |
16467 | * Fetch the next logical xri. Because this index is logical, | |
16468 | * the driver starts at 0 each time. | |
16469 | */ | |
16470 | spin_lock_irq(&phba->hbalock); | |
16471 | xri = find_next_zero_bit(phba->sli4_hba.xri_bmask, | |
16472 | phba->sli4_hba.max_cfg_param.max_xri, 0); | |
16473 | if (xri >= phba->sli4_hba.max_cfg_param.max_xri) { | |
16474 | spin_unlock_irq(&phba->hbalock); | |
16475 | return NO_XRI; | |
16476 | } else { | |
16477 | set_bit(xri, phba->sli4_hba.xri_bmask); | |
16478 | phba->sli4_hba.max_cfg_param.xri_used++; | |
6d368e53 | 16479 | } |
6d368e53 JS |
16480 | spin_unlock_irq(&phba->hbalock); |
16481 | return xri; | |
16482 | } | |
16483 | ||
16484 | /** | |
16485 | * lpfc_sli4_free_xri - Release an xri for reuse. | |
16486 | * @phba: pointer to lpfc hba data structure. | |
16487 | * | |
16488 | * This routine is invoked to release an xri to the pool of | |
16489 | * available rpis maintained by the driver. | |
16490 | **/ | |
5d8b8167 | 16491 | static void |
6d368e53 JS |
16492 | __lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri) |
16493 | { | |
16494 | if (test_and_clear_bit(xri, phba->sli4_hba.xri_bmask)) { | |
6d368e53 JS |
16495 | phba->sli4_hba.max_cfg_param.xri_used--; |
16496 | } | |
16497 | } | |
16498 | ||
16499 | /** | |
16500 | * lpfc_sli4_free_xri - Release an xri for reuse. | |
16501 | * @phba: pointer to lpfc hba data structure. | |
16502 | * | |
16503 | * This routine is invoked to release an xri to the pool of | |
16504 | * available rpis maintained by the driver. | |
16505 | **/ | |
16506 | void | |
16507 | lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri) | |
16508 | { | |
16509 | spin_lock_irq(&phba->hbalock); | |
16510 | __lpfc_sli4_free_xri(phba, xri); | |
16511 | spin_unlock_irq(&phba->hbalock); | |
16512 | } | |
16513 | ||
4f774513 JS |
16514 | /** |
16515 | * lpfc_sli4_next_xritag - Get an xritag for the io | |
16516 | * @phba: Pointer to HBA context object. | |
16517 | * | |
16518 | * This function gets an xritag for the iocb. If there is no unused xritag | |
16519 | * it will return 0xffff. | |
16520 | * The function returns the allocated xritag if successful, else returns zero. | |
16521 | * Zero is not a valid xritag. | |
16522 | * The caller is not required to hold any lock. | |
16523 | **/ | |
16524 | uint16_t | |
16525 | lpfc_sli4_next_xritag(struct lpfc_hba *phba) | |
16526 | { | |
6d368e53 | 16527 | uint16_t xri_index; |
4f774513 | 16528 | |
6d368e53 | 16529 | xri_index = lpfc_sli4_alloc_xri(phba); |
81378052 JS |
16530 | if (xri_index == NO_XRI) |
16531 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
16532 | "2004 Failed to allocate XRI.last XRITAG is %d" | |
16533 | " Max XRI is %d, Used XRI is %d\n", | |
16534 | xri_index, | |
16535 | phba->sli4_hba.max_cfg_param.max_xri, | |
16536 | phba->sli4_hba.max_cfg_param.xri_used); | |
16537 | return xri_index; | |
4f774513 JS |
16538 | } |
16539 | ||
16540 | /** | |
895427bd | 16541 | * lpfc_sli4_post_sgl_list - post a block of ELS sgls to the port. |
4f774513 | 16542 | * @phba: pointer to lpfc hba data structure. |
8a9d2e80 JS |
16543 | * @post_sgl_list: pointer to els sgl entry list. |
16544 | * @count: number of els sgl entries on the list. | |
4f774513 JS |
16545 | * |
16546 | * This routine is invoked to post a block of driver's sgl pages to the | |
16547 | * HBA using non-embedded mailbox command. No Lock is held. This routine | |
16548 | * is only called when the driver is loading and after all IO has been | |
16549 | * stopped. | |
16550 | **/ | |
8a9d2e80 | 16551 | static int |
895427bd | 16552 | lpfc_sli4_post_sgl_list(struct lpfc_hba *phba, |
8a9d2e80 JS |
16553 | struct list_head *post_sgl_list, |
16554 | int post_cnt) | |
4f774513 | 16555 | { |
8a9d2e80 | 16556 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
4f774513 JS |
16557 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; |
16558 | struct sgl_page_pairs *sgl_pg_pairs; | |
16559 | void *viraddr; | |
16560 | LPFC_MBOXQ_t *mbox; | |
16561 | uint32_t reqlen, alloclen, pg_pairs; | |
16562 | uint32_t mbox_tmo; | |
8a9d2e80 JS |
16563 | uint16_t xritag_start = 0; |
16564 | int rc = 0; | |
4f774513 JS |
16565 | uint32_t shdr_status, shdr_add_status; |
16566 | union lpfc_sli4_cfg_shdr *shdr; | |
16567 | ||
895427bd | 16568 | reqlen = post_cnt * sizeof(struct sgl_page_pairs) + |
4f774513 | 16569 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); |
49198b37 | 16570 | if (reqlen > SLI4_PAGE_SIZE) { |
895427bd | 16571 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
4f774513 JS |
16572 | "2559 Block sgl registration required DMA " |
16573 | "size (%d) great than a page\n", reqlen); | |
16574 | return -ENOMEM; | |
16575 | } | |
895427bd | 16576 | |
4f774513 | 16577 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
6d368e53 | 16578 | if (!mbox) |
4f774513 | 16579 | return -ENOMEM; |
4f774513 JS |
16580 | |
16581 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
16582 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16583 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, reqlen, | |
16584 | LPFC_SLI4_MBX_NEMBED); | |
16585 | ||
16586 | if (alloclen < reqlen) { | |
16587 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16588 | "0285 Allocated DMA memory size (%d) is " | |
16589 | "less than the requested DMA memory " | |
16590 | "size (%d)\n", alloclen, reqlen); | |
16591 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16592 | return -ENOMEM; | |
16593 | } | |
4f774513 | 16594 | /* Set up the SGL pages in the non-embedded DMA pages */ |
6d368e53 | 16595 | viraddr = mbox->sge_array->addr[0]; |
4f774513 JS |
16596 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; |
16597 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
16598 | ||
8a9d2e80 JS |
16599 | pg_pairs = 0; |
16600 | list_for_each_entry_safe(sglq_entry, sglq_next, post_sgl_list, list) { | |
4f774513 JS |
16601 | /* Set up the sge entry */ |
16602 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
16603 | cpu_to_le32(putPaddrLow(sglq_entry->phys)); | |
16604 | sgl_pg_pairs->sgl_pg0_addr_hi = | |
16605 | cpu_to_le32(putPaddrHigh(sglq_entry->phys)); | |
16606 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
16607 | cpu_to_le32(putPaddrLow(0)); | |
16608 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
16609 | cpu_to_le32(putPaddrHigh(0)); | |
6d368e53 | 16610 | |
4f774513 JS |
16611 | /* Keep the first xritag on the list */ |
16612 | if (pg_pairs == 0) | |
16613 | xritag_start = sglq_entry->sli4_xritag; | |
16614 | sgl_pg_pairs++; | |
8a9d2e80 | 16615 | pg_pairs++; |
4f774513 | 16616 | } |
6d368e53 JS |
16617 | |
16618 | /* Complete initialization and perform endian conversion. */ | |
4f774513 | 16619 | bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); |
895427bd | 16620 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, post_cnt); |
4f774513 | 16621 | sgl->word0 = cpu_to_le32(sgl->word0); |
895427bd | 16622 | |
4f774513 JS |
16623 | if (!phba->sli4_hba.intr_enable) |
16624 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
16625 | else { | |
a183a15f | 16626 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
4f774513 JS |
16627 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
16628 | } | |
16629 | shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr; | |
16630 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16631 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16632 | if (rc != MBX_TIMEOUT) | |
16633 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16634 | if (shdr_status || shdr_add_status || rc) { | |
16635 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16636 | "2513 POST_SGL_BLOCK mailbox command failed " | |
16637 | "status x%x add_status x%x mbx status x%x\n", | |
16638 | shdr_status, shdr_add_status, rc); | |
16639 | rc = -ENXIO; | |
16640 | } | |
16641 | return rc; | |
16642 | } | |
16643 | ||
16644 | /** | |
5e5b511d | 16645 | * lpfc_sli4_post_io_sgl_block - post a block of nvme sgl list to firmware |
4f774513 | 16646 | * @phba: pointer to lpfc hba data structure. |
0794d601 | 16647 | * @nblist: pointer to nvme buffer list. |
4f774513 JS |
16648 | * @count: number of scsi buffers on the list. |
16649 | * | |
16650 | * This routine is invoked to post a block of @count scsi sgl pages from a | |
0794d601 | 16651 | * SCSI buffer list @nblist to the HBA using non-embedded mailbox command. |
4f774513 JS |
16652 | * No Lock is held. |
16653 | * | |
16654 | **/ | |
0794d601 | 16655 | static int |
5e5b511d JS |
16656 | lpfc_sli4_post_io_sgl_block(struct lpfc_hba *phba, struct list_head *nblist, |
16657 | int count) | |
4f774513 | 16658 | { |
c490850a | 16659 | struct lpfc_io_buf *lpfc_ncmd; |
4f774513 JS |
16660 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; |
16661 | struct sgl_page_pairs *sgl_pg_pairs; | |
16662 | void *viraddr; | |
16663 | LPFC_MBOXQ_t *mbox; | |
16664 | uint32_t reqlen, alloclen, pg_pairs; | |
16665 | uint32_t mbox_tmo; | |
16666 | uint16_t xritag_start = 0; | |
16667 | int rc = 0; | |
16668 | uint32_t shdr_status, shdr_add_status; | |
16669 | dma_addr_t pdma_phys_bpl1; | |
16670 | union lpfc_sli4_cfg_shdr *shdr; | |
16671 | ||
16672 | /* Calculate the requested length of the dma memory */ | |
8a9d2e80 | 16673 | reqlen = count * sizeof(struct sgl_page_pairs) + |
4f774513 | 16674 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); |
49198b37 | 16675 | if (reqlen > SLI4_PAGE_SIZE) { |
4f774513 | 16676 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
0794d601 | 16677 | "6118 Block sgl registration required DMA " |
4f774513 JS |
16678 | "size (%d) great than a page\n", reqlen); |
16679 | return -ENOMEM; | |
16680 | } | |
16681 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
16682 | if (!mbox) { | |
16683 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
0794d601 | 16684 | "6119 Failed to allocate mbox cmd memory\n"); |
4f774513 JS |
16685 | return -ENOMEM; |
16686 | } | |
16687 | ||
16688 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
16689 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
0794d601 JS |
16690 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, |
16691 | reqlen, LPFC_SLI4_MBX_NEMBED); | |
4f774513 JS |
16692 | |
16693 | if (alloclen < reqlen) { | |
16694 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
0794d601 | 16695 | "6120 Allocated DMA memory size (%d) is " |
4f774513 JS |
16696 | "less than the requested DMA memory " |
16697 | "size (%d)\n", alloclen, reqlen); | |
16698 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16699 | return -ENOMEM; | |
16700 | } | |
6d368e53 | 16701 | |
4f774513 | 16702 | /* Get the first SGE entry from the non-embedded DMA memory */ |
4f774513 JS |
16703 | viraddr = mbox->sge_array->addr[0]; |
16704 | ||
16705 | /* Set up the SGL pages in the non-embedded DMA pages */ | |
16706 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; | |
16707 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
16708 | ||
16709 | pg_pairs = 0; | |
0794d601 | 16710 | list_for_each_entry(lpfc_ncmd, nblist, list) { |
4f774513 JS |
16711 | /* Set up the sge entry */ |
16712 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
0794d601 | 16713 | cpu_to_le32(putPaddrLow(lpfc_ncmd->dma_phys_sgl)); |
4f774513 | 16714 | sgl_pg_pairs->sgl_pg0_addr_hi = |
0794d601 | 16715 | cpu_to_le32(putPaddrHigh(lpfc_ncmd->dma_phys_sgl)); |
4f774513 | 16716 | if (phba->cfg_sg_dma_buf_size > SGL_PAGE_SIZE) |
0794d601 JS |
16717 | pdma_phys_bpl1 = lpfc_ncmd->dma_phys_sgl + |
16718 | SGL_PAGE_SIZE; | |
4f774513 JS |
16719 | else |
16720 | pdma_phys_bpl1 = 0; | |
16721 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
16722 | cpu_to_le32(putPaddrLow(pdma_phys_bpl1)); | |
16723 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
16724 | cpu_to_le32(putPaddrHigh(pdma_phys_bpl1)); | |
16725 | /* Keep the first xritag on the list */ | |
16726 | if (pg_pairs == 0) | |
0794d601 | 16727 | xritag_start = lpfc_ncmd->cur_iocbq.sli4_xritag; |
4f774513 JS |
16728 | sgl_pg_pairs++; |
16729 | pg_pairs++; | |
16730 | } | |
16731 | bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); | |
16732 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, pg_pairs); | |
16733 | /* Perform endian conversion if necessary */ | |
16734 | sgl->word0 = cpu_to_le32(sgl->word0); | |
16735 | ||
0794d601 | 16736 | if (!phba->sli4_hba.intr_enable) { |
4f774513 | 16737 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
0794d601 | 16738 | } else { |
a183a15f | 16739 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
4f774513 JS |
16740 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
16741 | } | |
0794d601 | 16742 | shdr = (union lpfc_sli4_cfg_shdr *)&sgl->cfg_shdr; |
4f774513 JS |
16743 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
16744 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16745 | if (rc != MBX_TIMEOUT) | |
16746 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16747 | if (shdr_status || shdr_add_status || rc) { | |
16748 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
0794d601 | 16749 | "6125 POST_SGL_BLOCK mailbox command failed " |
4f774513 JS |
16750 | "status x%x add_status x%x mbx status x%x\n", |
16751 | shdr_status, shdr_add_status, rc); | |
16752 | rc = -ENXIO; | |
16753 | } | |
16754 | return rc; | |
16755 | } | |
16756 | ||
0794d601 | 16757 | /** |
5e5b511d | 16758 | * lpfc_sli4_post_io_sgl_list - Post blocks of nvme buffer sgls from a list |
0794d601 JS |
16759 | * @phba: pointer to lpfc hba data structure. |
16760 | * @post_nblist: pointer to the nvme buffer list. | |
16761 | * | |
16762 | * This routine walks a list of nvme buffers that was passed in. It attempts | |
16763 | * to construct blocks of nvme buffer sgls which contains contiguous xris and | |
16764 | * uses the non-embedded SGL block post mailbox commands to post to the port. | |
16765 | * For single NVME buffer sgl with non-contiguous xri, if any, it shall use | |
16766 | * embedded SGL post mailbox command for posting. The @post_nblist passed in | |
16767 | * must be local list, thus no lock is needed when manipulate the list. | |
16768 | * | |
16769 | * Returns: 0 = failure, non-zero number of successfully posted buffers. | |
16770 | **/ | |
16771 | int | |
5e5b511d JS |
16772 | lpfc_sli4_post_io_sgl_list(struct lpfc_hba *phba, |
16773 | struct list_head *post_nblist, int sb_count) | |
0794d601 | 16774 | { |
c490850a | 16775 | struct lpfc_io_buf *lpfc_ncmd, *lpfc_ncmd_next; |
0794d601 JS |
16776 | int status, sgl_size; |
16777 | int post_cnt = 0, block_cnt = 0, num_posting = 0, num_posted = 0; | |
16778 | dma_addr_t pdma_phys_sgl1; | |
16779 | int last_xritag = NO_XRI; | |
16780 | int cur_xritag; | |
0794d601 JS |
16781 | LIST_HEAD(prep_nblist); |
16782 | LIST_HEAD(blck_nblist); | |
16783 | LIST_HEAD(nvme_nblist); | |
16784 | ||
16785 | /* sanity check */ | |
16786 | if (sb_count <= 0) | |
16787 | return -EINVAL; | |
16788 | ||
16789 | sgl_size = phba->cfg_sg_dma_buf_size; | |
16790 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, post_nblist, list) { | |
16791 | list_del_init(&lpfc_ncmd->list); | |
16792 | block_cnt++; | |
16793 | if ((last_xritag != NO_XRI) && | |
16794 | (lpfc_ncmd->cur_iocbq.sli4_xritag != last_xritag + 1)) { | |
16795 | /* a hole in xri block, form a sgl posting block */ | |
16796 | list_splice_init(&prep_nblist, &blck_nblist); | |
16797 | post_cnt = block_cnt - 1; | |
16798 | /* prepare list for next posting block */ | |
16799 | list_add_tail(&lpfc_ncmd->list, &prep_nblist); | |
16800 | block_cnt = 1; | |
16801 | } else { | |
16802 | /* prepare list for next posting block */ | |
16803 | list_add_tail(&lpfc_ncmd->list, &prep_nblist); | |
16804 | /* enough sgls for non-embed sgl mbox command */ | |
16805 | if (block_cnt == LPFC_NEMBED_MBOX_SGL_CNT) { | |
16806 | list_splice_init(&prep_nblist, &blck_nblist); | |
16807 | post_cnt = block_cnt; | |
16808 | block_cnt = 0; | |
16809 | } | |
16810 | } | |
16811 | num_posting++; | |
16812 | last_xritag = lpfc_ncmd->cur_iocbq.sli4_xritag; | |
16813 | ||
16814 | /* end of repost sgl list condition for NVME buffers */ | |
16815 | if (num_posting == sb_count) { | |
16816 | if (post_cnt == 0) { | |
16817 | /* last sgl posting block */ | |
16818 | list_splice_init(&prep_nblist, &blck_nblist); | |
16819 | post_cnt = block_cnt; | |
16820 | } else if (block_cnt == 1) { | |
16821 | /* last single sgl with non-contiguous xri */ | |
16822 | if (sgl_size > SGL_PAGE_SIZE) | |
16823 | pdma_phys_sgl1 = | |
16824 | lpfc_ncmd->dma_phys_sgl + | |
16825 | SGL_PAGE_SIZE; | |
16826 | else | |
16827 | pdma_phys_sgl1 = 0; | |
16828 | cur_xritag = lpfc_ncmd->cur_iocbq.sli4_xritag; | |
16829 | status = lpfc_sli4_post_sgl( | |
16830 | phba, lpfc_ncmd->dma_phys_sgl, | |
16831 | pdma_phys_sgl1, cur_xritag); | |
16832 | if (status) { | |
c490850a JS |
16833 | /* Post error. Buffer unavailable. */ |
16834 | lpfc_ncmd->flags |= | |
16835 | LPFC_SBUF_NOT_POSTED; | |
0794d601 | 16836 | } else { |
c490850a JS |
16837 | /* Post success. Bffer available. */ |
16838 | lpfc_ncmd->flags &= | |
16839 | ~LPFC_SBUF_NOT_POSTED; | |
0794d601 JS |
16840 | lpfc_ncmd->status = IOSTAT_SUCCESS; |
16841 | num_posted++; | |
16842 | } | |
16843 | /* success, put on NVME buffer sgl list */ | |
16844 | list_add_tail(&lpfc_ncmd->list, &nvme_nblist); | |
16845 | } | |
16846 | } | |
16847 | ||
16848 | /* continue until a nembed page worth of sgls */ | |
16849 | if (post_cnt == 0) | |
16850 | continue; | |
16851 | ||
16852 | /* post block of NVME buffer list sgls */ | |
5e5b511d JS |
16853 | status = lpfc_sli4_post_io_sgl_block(phba, &blck_nblist, |
16854 | post_cnt); | |
0794d601 JS |
16855 | |
16856 | /* don't reset xirtag due to hole in xri block */ | |
16857 | if (block_cnt == 0) | |
16858 | last_xritag = NO_XRI; | |
16859 | ||
16860 | /* reset NVME buffer post count for next round of posting */ | |
16861 | post_cnt = 0; | |
16862 | ||
16863 | /* put posted NVME buffer-sgl posted on NVME buffer sgl list */ | |
16864 | while (!list_empty(&blck_nblist)) { | |
16865 | list_remove_head(&blck_nblist, lpfc_ncmd, | |
c490850a | 16866 | struct lpfc_io_buf, list); |
0794d601 | 16867 | if (status) { |
c490850a JS |
16868 | /* Post error. Mark buffer unavailable. */ |
16869 | lpfc_ncmd->flags |= LPFC_SBUF_NOT_POSTED; | |
0794d601 | 16870 | } else { |
c490850a JS |
16871 | /* Post success, Mark buffer available. */ |
16872 | lpfc_ncmd->flags &= ~LPFC_SBUF_NOT_POSTED; | |
0794d601 JS |
16873 | lpfc_ncmd->status = IOSTAT_SUCCESS; |
16874 | num_posted++; | |
16875 | } | |
16876 | list_add_tail(&lpfc_ncmd->list, &nvme_nblist); | |
16877 | } | |
16878 | } | |
16879 | /* Push NVME buffers with sgl posted to the available list */ | |
5e5b511d JS |
16880 | lpfc_io_buf_replenish(phba, &nvme_nblist); |
16881 | ||
0794d601 JS |
16882 | return num_posted; |
16883 | } | |
16884 | ||
4f774513 JS |
16885 | /** |
16886 | * lpfc_fc_frame_check - Check that this frame is a valid frame to handle | |
16887 | * @phba: pointer to lpfc_hba struct that the frame was received on | |
16888 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
16889 | * | |
16890 | * This function checks the fields in the @fc_hdr to see if the FC frame is a | |
16891 | * valid type of frame that the LPFC driver will handle. This function will | |
16892 | * return a zero if the frame is a valid frame or a non zero value when the | |
16893 | * frame does not pass the check. | |
16894 | **/ | |
16895 | static int | |
16896 | lpfc_fc_frame_check(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr) | |
16897 | { | |
474ffb74 | 16898 | /* make rctl_names static to save stack space */ |
4f774513 | 16899 | struct fc_vft_header *fc_vft_hdr; |
546fc854 | 16900 | uint32_t *header = (uint32_t *) fc_hdr; |
4f774513 JS |
16901 | |
16902 | switch (fc_hdr->fh_r_ctl) { | |
16903 | case FC_RCTL_DD_UNCAT: /* uncategorized information */ | |
16904 | case FC_RCTL_DD_SOL_DATA: /* solicited data */ | |
16905 | case FC_RCTL_DD_UNSOL_CTL: /* unsolicited control */ | |
16906 | case FC_RCTL_DD_SOL_CTL: /* solicited control or reply */ | |
16907 | case FC_RCTL_DD_UNSOL_DATA: /* unsolicited data */ | |
16908 | case FC_RCTL_DD_DATA_DESC: /* data descriptor */ | |
16909 | case FC_RCTL_DD_UNSOL_CMD: /* unsolicited command */ | |
16910 | case FC_RCTL_DD_CMD_STATUS: /* command status */ | |
16911 | case FC_RCTL_ELS_REQ: /* extended link services request */ | |
16912 | case FC_RCTL_ELS_REP: /* extended link services reply */ | |
16913 | case FC_RCTL_ELS4_REQ: /* FC-4 ELS request */ | |
16914 | case FC_RCTL_ELS4_REP: /* FC-4 ELS reply */ | |
16915 | case FC_RCTL_BA_NOP: /* basic link service NOP */ | |
16916 | case FC_RCTL_BA_ABTS: /* basic link service abort */ | |
16917 | case FC_RCTL_BA_RMC: /* remove connection */ | |
16918 | case FC_RCTL_BA_ACC: /* basic accept */ | |
16919 | case FC_RCTL_BA_RJT: /* basic reject */ | |
16920 | case FC_RCTL_BA_PRMT: | |
16921 | case FC_RCTL_ACK_1: /* acknowledge_1 */ | |
16922 | case FC_RCTL_ACK_0: /* acknowledge_0 */ | |
16923 | case FC_RCTL_P_RJT: /* port reject */ | |
16924 | case FC_RCTL_F_RJT: /* fabric reject */ | |
16925 | case FC_RCTL_P_BSY: /* port busy */ | |
16926 | case FC_RCTL_F_BSY: /* fabric busy to data frame */ | |
16927 | case FC_RCTL_F_BSYL: /* fabric busy to link control frame */ | |
16928 | case FC_RCTL_LCR: /* link credit reset */ | |
ae9e28f3 | 16929 | case FC_RCTL_MDS_DIAGS: /* MDS Diagnostics */ |
4f774513 JS |
16930 | case FC_RCTL_END: /* end */ |
16931 | break; | |
16932 | case FC_RCTL_VFTH: /* Virtual Fabric tagging Header */ | |
16933 | fc_vft_hdr = (struct fc_vft_header *)fc_hdr; | |
16934 | fc_hdr = &((struct fc_frame_header *)fc_vft_hdr)[1]; | |
16935 | return lpfc_fc_frame_check(phba, fc_hdr); | |
16936 | default: | |
16937 | goto drop; | |
16938 | } | |
ae9e28f3 | 16939 | |
4f774513 JS |
16940 | switch (fc_hdr->fh_type) { |
16941 | case FC_TYPE_BLS: | |
16942 | case FC_TYPE_ELS: | |
16943 | case FC_TYPE_FCP: | |
16944 | case FC_TYPE_CT: | |
895427bd | 16945 | case FC_TYPE_NVME: |
4f774513 JS |
16946 | break; |
16947 | case FC_TYPE_IP: | |
16948 | case FC_TYPE_ILS: | |
16949 | default: | |
16950 | goto drop; | |
16951 | } | |
546fc854 | 16952 | |
4f774513 | 16953 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
78e1d200 | 16954 | "2538 Received frame rctl:x%x, type:x%x, " |
88f43a08 | 16955 | "frame Data:%08x %08x %08x %08x %08x %08x %08x\n", |
78e1d200 JS |
16956 | fc_hdr->fh_r_ctl, fc_hdr->fh_type, |
16957 | be32_to_cpu(header[0]), be32_to_cpu(header[1]), | |
16958 | be32_to_cpu(header[2]), be32_to_cpu(header[3]), | |
16959 | be32_to_cpu(header[4]), be32_to_cpu(header[5]), | |
16960 | be32_to_cpu(header[6])); | |
4f774513 JS |
16961 | return 0; |
16962 | drop: | |
16963 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS, | |
78e1d200 JS |
16964 | "2539 Dropped frame rctl:x%x type:x%x\n", |
16965 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
4f774513 JS |
16966 | return 1; |
16967 | } | |
16968 | ||
16969 | /** | |
16970 | * lpfc_fc_hdr_get_vfi - Get the VFI from an FC frame | |
16971 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
16972 | * | |
16973 | * This function processes the FC header to retrieve the VFI from the VF | |
16974 | * header, if one exists. This function will return the VFI if one exists | |
16975 | * or 0 if no VSAN Header exists. | |
16976 | **/ | |
16977 | static uint32_t | |
16978 | lpfc_fc_hdr_get_vfi(struct fc_frame_header *fc_hdr) | |
16979 | { | |
16980 | struct fc_vft_header *fc_vft_hdr = (struct fc_vft_header *)fc_hdr; | |
16981 | ||
16982 | if (fc_hdr->fh_r_ctl != FC_RCTL_VFTH) | |
16983 | return 0; | |
16984 | return bf_get(fc_vft_hdr_vf_id, fc_vft_hdr); | |
16985 | } | |
16986 | ||
16987 | /** | |
16988 | * lpfc_fc_frame_to_vport - Finds the vport that a frame is destined to | |
16989 | * @phba: Pointer to the HBA structure to search for the vport on | |
16990 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
16991 | * @fcfi: The FC Fabric ID that the frame came from | |
16992 | * | |
16993 | * This function searches the @phba for a vport that matches the content of the | |
16994 | * @fc_hdr passed in and the @fcfi. This function uses the @fc_hdr to fetch the | |
16995 | * VFI, if the Virtual Fabric Tagging Header exists, and the DID. This function | |
16996 | * returns the matching vport pointer or NULL if unable to match frame to a | |
16997 | * vport. | |
16998 | **/ | |
16999 | static struct lpfc_vport * | |
17000 | lpfc_fc_frame_to_vport(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr, | |
895427bd | 17001 | uint16_t fcfi, uint32_t did) |
4f774513 JS |
17002 | { |
17003 | struct lpfc_vport **vports; | |
17004 | struct lpfc_vport *vport = NULL; | |
17005 | int i; | |
939723a4 | 17006 | |
bf08611b JS |
17007 | if (did == Fabric_DID) |
17008 | return phba->pport; | |
939723a4 JS |
17009 | if ((phba->pport->fc_flag & FC_PT2PT) && |
17010 | !(phba->link_state == LPFC_HBA_READY)) | |
17011 | return phba->pport; | |
17012 | ||
4f774513 | 17013 | vports = lpfc_create_vport_work_array(phba); |
895427bd | 17014 | if (vports != NULL) { |
4f774513 JS |
17015 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
17016 | if (phba->fcf.fcfi == fcfi && | |
17017 | vports[i]->vfi == lpfc_fc_hdr_get_vfi(fc_hdr) && | |
17018 | vports[i]->fc_myDID == did) { | |
17019 | vport = vports[i]; | |
17020 | break; | |
17021 | } | |
17022 | } | |
895427bd | 17023 | } |
4f774513 JS |
17024 | lpfc_destroy_vport_work_array(phba, vports); |
17025 | return vport; | |
17026 | } | |
17027 | ||
45ed1190 JS |
17028 | /** |
17029 | * lpfc_update_rcv_time_stamp - Update vport's rcv seq time stamp | |
17030 | * @vport: The vport to work on. | |
17031 | * | |
17032 | * This function updates the receive sequence time stamp for this vport. The | |
17033 | * receive sequence time stamp indicates the time that the last frame of the | |
17034 | * the sequence that has been idle for the longest amount of time was received. | |
17035 | * the driver uses this time stamp to indicate if any received sequences have | |
17036 | * timed out. | |
17037 | **/ | |
5d8b8167 | 17038 | static void |
45ed1190 JS |
17039 | lpfc_update_rcv_time_stamp(struct lpfc_vport *vport) |
17040 | { | |
17041 | struct lpfc_dmabuf *h_buf; | |
17042 | struct hbq_dmabuf *dmabuf = NULL; | |
17043 | ||
17044 | /* get the oldest sequence on the rcv list */ | |
17045 | h_buf = list_get_first(&vport->rcv_buffer_list, | |
17046 | struct lpfc_dmabuf, list); | |
17047 | if (!h_buf) | |
17048 | return; | |
17049 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17050 | vport->rcv_buffer_time_stamp = dmabuf->time_stamp; | |
17051 | } | |
17052 | ||
17053 | /** | |
17054 | * lpfc_cleanup_rcv_buffers - Cleans up all outstanding receive sequences. | |
17055 | * @vport: The vport that the received sequences were sent to. | |
17056 | * | |
17057 | * This function cleans up all outstanding received sequences. This is called | |
17058 | * by the driver when a link event or user action invalidates all the received | |
17059 | * sequences. | |
17060 | **/ | |
17061 | void | |
17062 | lpfc_cleanup_rcv_buffers(struct lpfc_vport *vport) | |
17063 | { | |
17064 | struct lpfc_dmabuf *h_buf, *hnext; | |
17065 | struct lpfc_dmabuf *d_buf, *dnext; | |
17066 | struct hbq_dmabuf *dmabuf = NULL; | |
17067 | ||
17068 | /* start with the oldest sequence on the rcv list */ | |
17069 | list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) { | |
17070 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17071 | list_del_init(&dmabuf->hbuf.list); | |
17072 | list_for_each_entry_safe(d_buf, dnext, | |
17073 | &dmabuf->dbuf.list, list) { | |
17074 | list_del_init(&d_buf->list); | |
17075 | lpfc_in_buf_free(vport->phba, d_buf); | |
17076 | } | |
17077 | lpfc_in_buf_free(vport->phba, &dmabuf->dbuf); | |
17078 | } | |
17079 | } | |
17080 | ||
17081 | /** | |
17082 | * lpfc_rcv_seq_check_edtov - Cleans up timed out receive sequences. | |
17083 | * @vport: The vport that the received sequences were sent to. | |
17084 | * | |
17085 | * This function determines whether any received sequences have timed out by | |
17086 | * first checking the vport's rcv_buffer_time_stamp. If this time_stamp | |
17087 | * indicates that there is at least one timed out sequence this routine will | |
17088 | * go through the received sequences one at a time from most inactive to most | |
17089 | * active to determine which ones need to be cleaned up. Once it has determined | |
17090 | * that a sequence needs to be cleaned up it will simply free up the resources | |
17091 | * without sending an abort. | |
17092 | **/ | |
17093 | void | |
17094 | lpfc_rcv_seq_check_edtov(struct lpfc_vport *vport) | |
17095 | { | |
17096 | struct lpfc_dmabuf *h_buf, *hnext; | |
17097 | struct lpfc_dmabuf *d_buf, *dnext; | |
17098 | struct hbq_dmabuf *dmabuf = NULL; | |
17099 | unsigned long timeout; | |
17100 | int abort_count = 0; | |
17101 | ||
17102 | timeout = (msecs_to_jiffies(vport->phba->fc_edtov) + | |
17103 | vport->rcv_buffer_time_stamp); | |
17104 | if (list_empty(&vport->rcv_buffer_list) || | |
17105 | time_before(jiffies, timeout)) | |
17106 | return; | |
17107 | /* start with the oldest sequence on the rcv list */ | |
17108 | list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) { | |
17109 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17110 | timeout = (msecs_to_jiffies(vport->phba->fc_edtov) + | |
17111 | dmabuf->time_stamp); | |
17112 | if (time_before(jiffies, timeout)) | |
17113 | break; | |
17114 | abort_count++; | |
17115 | list_del_init(&dmabuf->hbuf.list); | |
17116 | list_for_each_entry_safe(d_buf, dnext, | |
17117 | &dmabuf->dbuf.list, list) { | |
17118 | list_del_init(&d_buf->list); | |
17119 | lpfc_in_buf_free(vport->phba, d_buf); | |
17120 | } | |
17121 | lpfc_in_buf_free(vport->phba, &dmabuf->dbuf); | |
17122 | } | |
17123 | if (abort_count) | |
17124 | lpfc_update_rcv_time_stamp(vport); | |
17125 | } | |
17126 | ||
4f774513 JS |
17127 | /** |
17128 | * lpfc_fc_frame_add - Adds a frame to the vport's list of received sequences | |
17129 | * @dmabuf: pointer to a dmabuf that describes the hdr and data of the FC frame | |
17130 | * | |
17131 | * This function searches through the existing incomplete sequences that have | |
17132 | * been sent to this @vport. If the frame matches one of the incomplete | |
17133 | * sequences then the dbuf in the @dmabuf is added to the list of frames that | |
17134 | * make up that sequence. If no sequence is found that matches this frame then | |
17135 | * the function will add the hbuf in the @dmabuf to the @vport's rcv_buffer_list | |
17136 | * This function returns a pointer to the first dmabuf in the sequence list that | |
17137 | * the frame was linked to. | |
17138 | **/ | |
17139 | static struct hbq_dmabuf * | |
17140 | lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf) | |
17141 | { | |
17142 | struct fc_frame_header *new_hdr; | |
17143 | struct fc_frame_header *temp_hdr; | |
17144 | struct lpfc_dmabuf *d_buf; | |
17145 | struct lpfc_dmabuf *h_buf; | |
17146 | struct hbq_dmabuf *seq_dmabuf = NULL; | |
17147 | struct hbq_dmabuf *temp_dmabuf = NULL; | |
4360ca9c | 17148 | uint8_t found = 0; |
4f774513 | 17149 | |
4d9ab994 | 17150 | INIT_LIST_HEAD(&dmabuf->dbuf.list); |
45ed1190 | 17151 | dmabuf->time_stamp = jiffies; |
4f774513 | 17152 | new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; |
4360ca9c | 17153 | |
4f774513 JS |
17154 | /* Use the hdr_buf to find the sequence that this frame belongs to */ |
17155 | list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) { | |
17156 | temp_hdr = (struct fc_frame_header *)h_buf->virt; | |
17157 | if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) || | |
17158 | (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) || | |
17159 | (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3))) | |
17160 | continue; | |
17161 | /* found a pending sequence that matches this frame */ | |
17162 | seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17163 | break; | |
17164 | } | |
17165 | if (!seq_dmabuf) { | |
17166 | /* | |
17167 | * This indicates first frame received for this sequence. | |
17168 | * Queue the buffer on the vport's rcv_buffer_list. | |
17169 | */ | |
17170 | list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
45ed1190 | 17171 | lpfc_update_rcv_time_stamp(vport); |
4f774513 JS |
17172 | return dmabuf; |
17173 | } | |
17174 | temp_hdr = seq_dmabuf->hbuf.virt; | |
eeead811 JS |
17175 | if (be16_to_cpu(new_hdr->fh_seq_cnt) < |
17176 | be16_to_cpu(temp_hdr->fh_seq_cnt)) { | |
4d9ab994 JS |
17177 | list_del_init(&seq_dmabuf->hbuf.list); |
17178 | list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
17179 | list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list); | |
45ed1190 | 17180 | lpfc_update_rcv_time_stamp(vport); |
4f774513 JS |
17181 | return dmabuf; |
17182 | } | |
45ed1190 JS |
17183 | /* move this sequence to the tail to indicate a young sequence */ |
17184 | list_move_tail(&seq_dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
17185 | seq_dmabuf->time_stamp = jiffies; | |
17186 | lpfc_update_rcv_time_stamp(vport); | |
eeead811 JS |
17187 | if (list_empty(&seq_dmabuf->dbuf.list)) { |
17188 | temp_hdr = dmabuf->hbuf.virt; | |
17189 | list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list); | |
17190 | return seq_dmabuf; | |
17191 | } | |
4f774513 | 17192 | /* find the correct place in the sequence to insert this frame */ |
4360ca9c JS |
17193 | d_buf = list_entry(seq_dmabuf->dbuf.list.prev, typeof(*d_buf), list); |
17194 | while (!found) { | |
4f774513 JS |
17195 | temp_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
17196 | temp_hdr = (struct fc_frame_header *)temp_dmabuf->hbuf.virt; | |
17197 | /* | |
17198 | * If the frame's sequence count is greater than the frame on | |
17199 | * the list then insert the frame right after this frame | |
17200 | */ | |
eeead811 JS |
17201 | if (be16_to_cpu(new_hdr->fh_seq_cnt) > |
17202 | be16_to_cpu(temp_hdr->fh_seq_cnt)) { | |
4f774513 | 17203 | list_add(&dmabuf->dbuf.list, &temp_dmabuf->dbuf.list); |
4360ca9c JS |
17204 | found = 1; |
17205 | break; | |
4f774513 | 17206 | } |
4360ca9c JS |
17207 | |
17208 | if (&d_buf->list == &seq_dmabuf->dbuf.list) | |
17209 | break; | |
17210 | d_buf = list_entry(d_buf->list.prev, typeof(*d_buf), list); | |
4f774513 | 17211 | } |
4360ca9c JS |
17212 | |
17213 | if (found) | |
17214 | return seq_dmabuf; | |
4f774513 JS |
17215 | return NULL; |
17216 | } | |
17217 | ||
6669f9bb JS |
17218 | /** |
17219 | * lpfc_sli4_abort_partial_seq - Abort partially assembled unsol sequence | |
17220 | * @vport: pointer to a vitural port | |
17221 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
17222 | * | |
17223 | * This function tries to abort from the partially assembed sequence, described | |
17224 | * by the information from basic abbort @dmabuf. It checks to see whether such | |
17225 | * partially assembled sequence held by the driver. If so, it shall free up all | |
17226 | * the frames from the partially assembled sequence. | |
17227 | * | |
17228 | * Return | |
17229 | * true -- if there is matching partially assembled sequence present and all | |
17230 | * the frames freed with the sequence; | |
17231 | * false -- if there is no matching partially assembled sequence present so | |
17232 | * nothing got aborted in the lower layer driver | |
17233 | **/ | |
17234 | static bool | |
17235 | lpfc_sli4_abort_partial_seq(struct lpfc_vport *vport, | |
17236 | struct hbq_dmabuf *dmabuf) | |
17237 | { | |
17238 | struct fc_frame_header *new_hdr; | |
17239 | struct fc_frame_header *temp_hdr; | |
17240 | struct lpfc_dmabuf *d_buf, *n_buf, *h_buf; | |
17241 | struct hbq_dmabuf *seq_dmabuf = NULL; | |
17242 | ||
17243 | /* Use the hdr_buf to find the sequence that matches this frame */ | |
17244 | INIT_LIST_HEAD(&dmabuf->dbuf.list); | |
17245 | INIT_LIST_HEAD(&dmabuf->hbuf.list); | |
17246 | new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
17247 | list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) { | |
17248 | temp_hdr = (struct fc_frame_header *)h_buf->virt; | |
17249 | if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) || | |
17250 | (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) || | |
17251 | (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3))) | |
17252 | continue; | |
17253 | /* found a pending sequence that matches this frame */ | |
17254 | seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17255 | break; | |
17256 | } | |
17257 | ||
17258 | /* Free up all the frames from the partially assembled sequence */ | |
17259 | if (seq_dmabuf) { | |
17260 | list_for_each_entry_safe(d_buf, n_buf, | |
17261 | &seq_dmabuf->dbuf.list, list) { | |
17262 | list_del_init(&d_buf->list); | |
17263 | lpfc_in_buf_free(vport->phba, d_buf); | |
17264 | } | |
17265 | return true; | |
17266 | } | |
17267 | return false; | |
17268 | } | |
17269 | ||
6dd9e31c JS |
17270 | /** |
17271 | * lpfc_sli4_abort_ulp_seq - Abort assembled unsol sequence from ulp | |
17272 | * @vport: pointer to a vitural port | |
17273 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
17274 | * | |
17275 | * This function tries to abort from the assembed sequence from upper level | |
17276 | * protocol, described by the information from basic abbort @dmabuf. It | |
17277 | * checks to see whether such pending context exists at upper level protocol. | |
17278 | * If so, it shall clean up the pending context. | |
17279 | * | |
17280 | * Return | |
17281 | * true -- if there is matching pending context of the sequence cleaned | |
17282 | * at ulp; | |
17283 | * false -- if there is no matching pending context of the sequence present | |
17284 | * at ulp. | |
17285 | **/ | |
17286 | static bool | |
17287 | lpfc_sli4_abort_ulp_seq(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf) | |
17288 | { | |
17289 | struct lpfc_hba *phba = vport->phba; | |
17290 | int handled; | |
17291 | ||
17292 | /* Accepting abort at ulp with SLI4 only */ | |
17293 | if (phba->sli_rev < LPFC_SLI_REV4) | |
17294 | return false; | |
17295 | ||
17296 | /* Register all caring upper level protocols to attend abort */ | |
17297 | handled = lpfc_ct_handle_unsol_abort(phba, dmabuf); | |
17298 | if (handled) | |
17299 | return true; | |
17300 | ||
17301 | return false; | |
17302 | } | |
17303 | ||
6669f9bb | 17304 | /** |
546fc854 | 17305 | * lpfc_sli4_seq_abort_rsp_cmpl - BLS ABORT RSP seq abort iocb complete handler |
6669f9bb JS |
17306 | * @phba: Pointer to HBA context object. |
17307 | * @cmd_iocbq: pointer to the command iocbq structure. | |
17308 | * @rsp_iocbq: pointer to the response iocbq structure. | |
17309 | * | |
546fc854 | 17310 | * This function handles the sequence abort response iocb command complete |
6669f9bb JS |
17311 | * event. It properly releases the memory allocated to the sequence abort |
17312 | * accept iocb. | |
17313 | **/ | |
17314 | static void | |
546fc854 | 17315 | lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba *phba, |
6669f9bb JS |
17316 | struct lpfc_iocbq *cmd_iocbq, |
17317 | struct lpfc_iocbq *rsp_iocbq) | |
17318 | { | |
6dd9e31c JS |
17319 | struct lpfc_nodelist *ndlp; |
17320 | ||
17321 | if (cmd_iocbq) { | |
17322 | ndlp = (struct lpfc_nodelist *)cmd_iocbq->context1; | |
17323 | lpfc_nlp_put(ndlp); | |
17324 | lpfc_nlp_not_used(ndlp); | |
6669f9bb | 17325 | lpfc_sli_release_iocbq(phba, cmd_iocbq); |
6dd9e31c | 17326 | } |
6b5151fd JS |
17327 | |
17328 | /* Failure means BLS ABORT RSP did not get delivered to remote node*/ | |
17329 | if (rsp_iocbq && rsp_iocbq->iocb.ulpStatus) | |
17330 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
17331 | "3154 BLS ABORT RSP failed, data: x%x/x%x\n", | |
17332 | rsp_iocbq->iocb.ulpStatus, | |
17333 | rsp_iocbq->iocb.un.ulpWord[4]); | |
6669f9bb JS |
17334 | } |
17335 | ||
6d368e53 JS |
17336 | /** |
17337 | * lpfc_sli4_xri_inrange - check xri is in range of xris owned by driver. | |
17338 | * @phba: Pointer to HBA context object. | |
17339 | * @xri: xri id in transaction. | |
17340 | * | |
17341 | * This function validates the xri maps to the known range of XRIs allocated an | |
17342 | * used by the driver. | |
17343 | **/ | |
7851fe2c | 17344 | uint16_t |
6d368e53 JS |
17345 | lpfc_sli4_xri_inrange(struct lpfc_hba *phba, |
17346 | uint16_t xri) | |
17347 | { | |
a2fc4aef | 17348 | uint16_t i; |
6d368e53 JS |
17349 | |
17350 | for (i = 0; i < phba->sli4_hba.max_cfg_param.max_xri; i++) { | |
17351 | if (xri == phba->sli4_hba.xri_ids[i]) | |
17352 | return i; | |
17353 | } | |
17354 | return NO_XRI; | |
17355 | } | |
17356 | ||
6669f9bb | 17357 | /** |
546fc854 | 17358 | * lpfc_sli4_seq_abort_rsp - bls rsp to sequence abort |
6669f9bb JS |
17359 | * @phba: Pointer to HBA context object. |
17360 | * @fc_hdr: pointer to a FC frame header. | |
17361 | * | |
546fc854 | 17362 | * This function sends a basic response to a previous unsol sequence abort |
6669f9bb JS |
17363 | * event after aborting the sequence handling. |
17364 | **/ | |
86c67379 | 17365 | void |
6dd9e31c JS |
17366 | lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport, |
17367 | struct fc_frame_header *fc_hdr, bool aborted) | |
6669f9bb | 17368 | { |
6dd9e31c | 17369 | struct lpfc_hba *phba = vport->phba; |
6669f9bb JS |
17370 | struct lpfc_iocbq *ctiocb = NULL; |
17371 | struct lpfc_nodelist *ndlp; | |
ee0f4fe1 | 17372 | uint16_t oxid, rxid, xri, lxri; |
5ffc266e | 17373 | uint32_t sid, fctl; |
6669f9bb | 17374 | IOCB_t *icmd; |
546fc854 | 17375 | int rc; |
6669f9bb JS |
17376 | |
17377 | if (!lpfc_is_link_up(phba)) | |
17378 | return; | |
17379 | ||
17380 | sid = sli4_sid_from_fc_hdr(fc_hdr); | |
17381 | oxid = be16_to_cpu(fc_hdr->fh_ox_id); | |
5ffc266e | 17382 | rxid = be16_to_cpu(fc_hdr->fh_rx_id); |
6669f9bb | 17383 | |
6dd9e31c | 17384 | ndlp = lpfc_findnode_did(vport, sid); |
6669f9bb | 17385 | if (!ndlp) { |
9d3d340d | 17386 | ndlp = lpfc_nlp_init(vport, sid); |
6dd9e31c JS |
17387 | if (!ndlp) { |
17388 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, | |
17389 | "1268 Failed to allocate ndlp for " | |
17390 | "oxid:x%x SID:x%x\n", oxid, sid); | |
17391 | return; | |
17392 | } | |
6dd9e31c JS |
17393 | /* Put ndlp onto pport node list */ |
17394 | lpfc_enqueue_node(vport, ndlp); | |
17395 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
17396 | /* re-setup ndlp without removing from node list */ | |
17397 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
17398 | if (!ndlp) { | |
17399 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, | |
17400 | "3275 Failed to active ndlp found " | |
17401 | "for oxid:x%x SID:x%x\n", oxid, sid); | |
17402 | return; | |
17403 | } | |
6669f9bb JS |
17404 | } |
17405 | ||
546fc854 | 17406 | /* Allocate buffer for rsp iocb */ |
6669f9bb JS |
17407 | ctiocb = lpfc_sli_get_iocbq(phba); |
17408 | if (!ctiocb) | |
17409 | return; | |
17410 | ||
5ffc266e JS |
17411 | /* Extract the F_CTL field from FC_HDR */ |
17412 | fctl = sli4_fctl_from_fc_hdr(fc_hdr); | |
17413 | ||
6669f9bb | 17414 | icmd = &ctiocb->iocb; |
6669f9bb | 17415 | icmd->un.xseq64.bdl.bdeSize = 0; |
5ffc266e | 17416 | icmd->un.xseq64.bdl.ulpIoTag32 = 0; |
6669f9bb JS |
17417 | icmd->un.xseq64.w5.hcsw.Dfctl = 0; |
17418 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_ACC; | |
17419 | icmd->un.xseq64.w5.hcsw.Type = FC_TYPE_BLS; | |
17420 | ||
17421 | /* Fill in the rest of iocb fields */ | |
17422 | icmd->ulpCommand = CMD_XMIT_BLS_RSP64_CX; | |
17423 | icmd->ulpBdeCount = 0; | |
17424 | icmd->ulpLe = 1; | |
17425 | icmd->ulpClass = CLASS3; | |
6d368e53 | 17426 | icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; |
6dd9e31c | 17427 | ctiocb->context1 = lpfc_nlp_get(ndlp); |
6669f9bb | 17428 | |
6669f9bb JS |
17429 | ctiocb->iocb_cmpl = NULL; |
17430 | ctiocb->vport = phba->pport; | |
546fc854 | 17431 | ctiocb->iocb_cmpl = lpfc_sli4_seq_abort_rsp_cmpl; |
6d368e53 | 17432 | ctiocb->sli4_lxritag = NO_XRI; |
546fc854 JS |
17433 | ctiocb->sli4_xritag = NO_XRI; |
17434 | ||
ee0f4fe1 JS |
17435 | if (fctl & FC_FC_EX_CTX) |
17436 | /* Exchange responder sent the abort so we | |
17437 | * own the oxid. | |
17438 | */ | |
17439 | xri = oxid; | |
17440 | else | |
17441 | xri = rxid; | |
17442 | lxri = lpfc_sli4_xri_inrange(phba, xri); | |
17443 | if (lxri != NO_XRI) | |
17444 | lpfc_set_rrq_active(phba, ndlp, lxri, | |
17445 | (xri == oxid) ? rxid : oxid, 0); | |
6dd9e31c JS |
17446 | /* For BA_ABTS from exchange responder, if the logical xri with |
17447 | * the oxid maps to the FCP XRI range, the port no longer has | |
17448 | * that exchange context, send a BLS_RJT. Override the IOCB for | |
17449 | * a BA_RJT. | |
17450 | */ | |
17451 | if ((fctl & FC_FC_EX_CTX) && | |
895427bd | 17452 | (lxri > lpfc_sli4_get_iocb_cnt(phba))) { |
6dd9e31c JS |
17453 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT; |
17454 | bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0); | |
17455 | bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID); | |
17456 | bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE); | |
17457 | } | |
17458 | ||
17459 | /* If BA_ABTS failed to abort a partially assembled receive sequence, | |
17460 | * the driver no longer has that exchange, send a BLS_RJT. Override | |
17461 | * the IOCB for a BA_RJT. | |
546fc854 | 17462 | */ |
6dd9e31c | 17463 | if (aborted == false) { |
546fc854 JS |
17464 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT; |
17465 | bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0); | |
17466 | bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID); | |
17467 | bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE); | |
17468 | } | |
6669f9bb | 17469 | |
5ffc266e JS |
17470 | if (fctl & FC_FC_EX_CTX) { |
17471 | /* ABTS sent by responder to CT exchange, construction | |
17472 | * of BA_ACC will use OX_ID from ABTS for the XRI_TAG | |
17473 | * field and RX_ID from ABTS for RX_ID field. | |
17474 | */ | |
546fc854 | 17475 | bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_RSP); |
5ffc266e JS |
17476 | } else { |
17477 | /* ABTS sent by initiator to CT exchange, construction | |
17478 | * of BA_ACC will need to allocate a new XRI as for the | |
f09c3acc | 17479 | * XRI_TAG field. |
5ffc266e | 17480 | */ |
546fc854 | 17481 | bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_INT); |
5ffc266e | 17482 | } |
f09c3acc | 17483 | bf_set(lpfc_abts_rxid, &icmd->un.bls_rsp, rxid); |
546fc854 | 17484 | bf_set(lpfc_abts_oxid, &icmd->un.bls_rsp, oxid); |
5ffc266e | 17485 | |
546fc854 | 17486 | /* Xmit CT abts response on exchange <xid> */ |
6dd9e31c JS |
17487 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
17488 | "1200 Send BLS cmd x%x on oxid x%x Data: x%x\n", | |
17489 | icmd->un.xseq64.w5.hcsw.Rctl, oxid, phba->link_state); | |
546fc854 JS |
17490 | |
17491 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, ctiocb, 0); | |
17492 | if (rc == IOCB_ERROR) { | |
6dd9e31c JS |
17493 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
17494 | "2925 Failed to issue CT ABTS RSP x%x on " | |
17495 | "xri x%x, Data x%x\n", | |
17496 | icmd->un.xseq64.w5.hcsw.Rctl, oxid, | |
17497 | phba->link_state); | |
17498 | lpfc_nlp_put(ndlp); | |
17499 | ctiocb->context1 = NULL; | |
546fc854 JS |
17500 | lpfc_sli_release_iocbq(phba, ctiocb); |
17501 | } | |
6669f9bb JS |
17502 | } |
17503 | ||
17504 | /** | |
17505 | * lpfc_sli4_handle_unsol_abort - Handle sli-4 unsolicited abort event | |
17506 | * @vport: Pointer to the vport on which this sequence was received | |
17507 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
17508 | * | |
17509 | * This function handles an SLI-4 unsolicited abort event. If the unsolicited | |
17510 | * receive sequence is only partially assembed by the driver, it shall abort | |
17511 | * the partially assembled frames for the sequence. Otherwise, if the | |
17512 | * unsolicited receive sequence has been completely assembled and passed to | |
17513 | * the Upper Layer Protocol (UPL), it then mark the per oxid status for the | |
17514 | * unsolicited sequence has been aborted. After that, it will issue a basic | |
17515 | * accept to accept the abort. | |
17516 | **/ | |
5d8b8167 | 17517 | static void |
6669f9bb JS |
17518 | lpfc_sli4_handle_unsol_abort(struct lpfc_vport *vport, |
17519 | struct hbq_dmabuf *dmabuf) | |
17520 | { | |
17521 | struct lpfc_hba *phba = vport->phba; | |
17522 | struct fc_frame_header fc_hdr; | |
5ffc266e | 17523 | uint32_t fctl; |
6dd9e31c | 17524 | bool aborted; |
6669f9bb | 17525 | |
6669f9bb JS |
17526 | /* Make a copy of fc_hdr before the dmabuf being released */ |
17527 | memcpy(&fc_hdr, dmabuf->hbuf.virt, sizeof(struct fc_frame_header)); | |
5ffc266e | 17528 | fctl = sli4_fctl_from_fc_hdr(&fc_hdr); |
6669f9bb | 17529 | |
5ffc266e | 17530 | if (fctl & FC_FC_EX_CTX) { |
6dd9e31c JS |
17531 | /* ABTS by responder to exchange, no cleanup needed */ |
17532 | aborted = true; | |
5ffc266e | 17533 | } else { |
6dd9e31c JS |
17534 | /* ABTS by initiator to exchange, need to do cleanup */ |
17535 | aborted = lpfc_sli4_abort_partial_seq(vport, dmabuf); | |
17536 | if (aborted == false) | |
17537 | aborted = lpfc_sli4_abort_ulp_seq(vport, dmabuf); | |
5ffc266e | 17538 | } |
6dd9e31c JS |
17539 | lpfc_in_buf_free(phba, &dmabuf->dbuf); |
17540 | ||
86c67379 JS |
17541 | if (phba->nvmet_support) { |
17542 | lpfc_nvmet_rcv_unsol_abort(vport, &fc_hdr); | |
17543 | return; | |
17544 | } | |
17545 | ||
6dd9e31c JS |
17546 | /* Respond with BA_ACC or BA_RJT accordingly */ |
17547 | lpfc_sli4_seq_abort_rsp(vport, &fc_hdr, aborted); | |
6669f9bb JS |
17548 | } |
17549 | ||
4f774513 JS |
17550 | /** |
17551 | * lpfc_seq_complete - Indicates if a sequence is complete | |
17552 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
17553 | * | |
17554 | * This function checks the sequence, starting with the frame described by | |
17555 | * @dmabuf, to see if all the frames associated with this sequence are present. | |
17556 | * the frames associated with this sequence are linked to the @dmabuf using the | |
17557 | * dbuf list. This function looks for two major things. 1) That the first frame | |
17558 | * has a sequence count of zero. 2) There is a frame with last frame of sequence | |
17559 | * set. 3) That there are no holes in the sequence count. The function will | |
17560 | * return 1 when the sequence is complete, otherwise it will return 0. | |
17561 | **/ | |
17562 | static int | |
17563 | lpfc_seq_complete(struct hbq_dmabuf *dmabuf) | |
17564 | { | |
17565 | struct fc_frame_header *hdr; | |
17566 | struct lpfc_dmabuf *d_buf; | |
17567 | struct hbq_dmabuf *seq_dmabuf; | |
17568 | uint32_t fctl; | |
17569 | int seq_count = 0; | |
17570 | ||
17571 | hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
17572 | /* make sure first fame of sequence has a sequence count of zero */ | |
17573 | if (hdr->fh_seq_cnt != seq_count) | |
17574 | return 0; | |
17575 | fctl = (hdr->fh_f_ctl[0] << 16 | | |
17576 | hdr->fh_f_ctl[1] << 8 | | |
17577 | hdr->fh_f_ctl[2]); | |
17578 | /* If last frame of sequence we can return success. */ | |
17579 | if (fctl & FC_FC_END_SEQ) | |
17580 | return 1; | |
17581 | list_for_each_entry(d_buf, &dmabuf->dbuf.list, list) { | |
17582 | seq_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
17583 | hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
17584 | /* If there is a hole in the sequence count then fail. */ | |
eeead811 | 17585 | if (++seq_count != be16_to_cpu(hdr->fh_seq_cnt)) |
4f774513 JS |
17586 | return 0; |
17587 | fctl = (hdr->fh_f_ctl[0] << 16 | | |
17588 | hdr->fh_f_ctl[1] << 8 | | |
17589 | hdr->fh_f_ctl[2]); | |
17590 | /* If last frame of sequence we can return success. */ | |
17591 | if (fctl & FC_FC_END_SEQ) | |
17592 | return 1; | |
17593 | } | |
17594 | return 0; | |
17595 | } | |
17596 | ||
17597 | /** | |
17598 | * lpfc_prep_seq - Prep sequence for ULP processing | |
17599 | * @vport: Pointer to the vport on which this sequence was received | |
17600 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
17601 | * | |
17602 | * This function takes a sequence, described by a list of frames, and creates | |
17603 | * a list of iocbq structures to describe the sequence. This iocbq list will be | |
17604 | * used to issue to the generic unsolicited sequence handler. This routine | |
17605 | * returns a pointer to the first iocbq in the list. If the function is unable | |
17606 | * to allocate an iocbq then it throw out the received frames that were not | |
17607 | * able to be described and return a pointer to the first iocbq. If unable to | |
17608 | * allocate any iocbqs (including the first) this function will return NULL. | |
17609 | **/ | |
17610 | static struct lpfc_iocbq * | |
17611 | lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) | |
17612 | { | |
7851fe2c | 17613 | struct hbq_dmabuf *hbq_buf; |
4f774513 JS |
17614 | struct lpfc_dmabuf *d_buf, *n_buf; |
17615 | struct lpfc_iocbq *first_iocbq, *iocbq; | |
17616 | struct fc_frame_header *fc_hdr; | |
17617 | uint32_t sid; | |
7851fe2c | 17618 | uint32_t len, tot_len; |
eeead811 | 17619 | struct ulp_bde64 *pbde; |
4f774513 JS |
17620 | |
17621 | fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
17622 | /* remove from receive buffer list */ | |
17623 | list_del_init(&seq_dmabuf->hbuf.list); | |
45ed1190 | 17624 | lpfc_update_rcv_time_stamp(vport); |
4f774513 | 17625 | /* get the Remote Port's SID */ |
6669f9bb | 17626 | sid = sli4_sid_from_fc_hdr(fc_hdr); |
7851fe2c | 17627 | tot_len = 0; |
4f774513 JS |
17628 | /* Get an iocbq struct to fill in. */ |
17629 | first_iocbq = lpfc_sli_get_iocbq(vport->phba); | |
17630 | if (first_iocbq) { | |
17631 | /* Initialize the first IOCB. */ | |
8fa38513 | 17632 | first_iocbq->iocb.unsli3.rcvsli3.acc_len = 0; |
4f774513 | 17633 | first_iocbq->iocb.ulpStatus = IOSTAT_SUCCESS; |
895427bd | 17634 | first_iocbq->vport = vport; |
939723a4 JS |
17635 | |
17636 | /* Check FC Header to see what TYPE of frame we are rcv'ing */ | |
17637 | if (sli4_type_from_fc_hdr(fc_hdr) == FC_TYPE_ELS) { | |
17638 | first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_ELS64_CX; | |
17639 | first_iocbq->iocb.un.rcvels.parmRo = | |
17640 | sli4_did_from_fc_hdr(fc_hdr); | |
17641 | first_iocbq->iocb.ulpPU = PARM_NPIV_DID; | |
17642 | } else | |
17643 | first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_SEQ64_CX; | |
7851fe2c JS |
17644 | first_iocbq->iocb.ulpContext = NO_XRI; |
17645 | first_iocbq->iocb.unsli3.rcvsli3.ox_id = | |
17646 | be16_to_cpu(fc_hdr->fh_ox_id); | |
17647 | /* iocbq is prepped for internal consumption. Physical vpi. */ | |
17648 | first_iocbq->iocb.unsli3.rcvsli3.vpi = | |
17649 | vport->phba->vpi_ids[vport->vpi]; | |
4f774513 | 17650 | /* put the first buffer into the first IOCBq */ |
48a5a664 JS |
17651 | tot_len = bf_get(lpfc_rcqe_length, |
17652 | &seq_dmabuf->cq_event.cqe.rcqe_cmpl); | |
17653 | ||
4f774513 JS |
17654 | first_iocbq->context2 = &seq_dmabuf->dbuf; |
17655 | first_iocbq->context3 = NULL; | |
17656 | first_iocbq->iocb.ulpBdeCount = 1; | |
48a5a664 JS |
17657 | if (tot_len > LPFC_DATA_BUF_SIZE) |
17658 | first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = | |
4f774513 | 17659 | LPFC_DATA_BUF_SIZE; |
48a5a664 JS |
17660 | else |
17661 | first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = tot_len; | |
17662 | ||
4f774513 | 17663 | first_iocbq->iocb.un.rcvels.remoteID = sid; |
48a5a664 | 17664 | |
7851fe2c | 17665 | first_iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; |
4f774513 JS |
17666 | } |
17667 | iocbq = first_iocbq; | |
17668 | /* | |
17669 | * Each IOCBq can have two Buffers assigned, so go through the list | |
17670 | * of buffers for this sequence and save two buffers in each IOCBq | |
17671 | */ | |
17672 | list_for_each_entry_safe(d_buf, n_buf, &seq_dmabuf->dbuf.list, list) { | |
17673 | if (!iocbq) { | |
17674 | lpfc_in_buf_free(vport->phba, d_buf); | |
17675 | continue; | |
17676 | } | |
17677 | if (!iocbq->context3) { | |
17678 | iocbq->context3 = d_buf; | |
17679 | iocbq->iocb.ulpBdeCount++; | |
7851fe2c JS |
17680 | /* We need to get the size out of the right CQE */ |
17681 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
17682 | len = bf_get(lpfc_rcqe_length, | |
17683 | &hbq_buf->cq_event.cqe.rcqe_cmpl); | |
48a5a664 JS |
17684 | pbde = (struct ulp_bde64 *) |
17685 | &iocbq->iocb.unsli3.sli3Words[4]; | |
17686 | if (len > LPFC_DATA_BUF_SIZE) | |
17687 | pbde->tus.f.bdeSize = LPFC_DATA_BUF_SIZE; | |
17688 | else | |
17689 | pbde->tus.f.bdeSize = len; | |
17690 | ||
7851fe2c JS |
17691 | iocbq->iocb.unsli3.rcvsli3.acc_len += len; |
17692 | tot_len += len; | |
4f774513 JS |
17693 | } else { |
17694 | iocbq = lpfc_sli_get_iocbq(vport->phba); | |
17695 | if (!iocbq) { | |
17696 | if (first_iocbq) { | |
17697 | first_iocbq->iocb.ulpStatus = | |
17698 | IOSTAT_FCP_RSP_ERROR; | |
17699 | first_iocbq->iocb.un.ulpWord[4] = | |
17700 | IOERR_NO_RESOURCES; | |
17701 | } | |
17702 | lpfc_in_buf_free(vport->phba, d_buf); | |
17703 | continue; | |
17704 | } | |
48a5a664 JS |
17705 | /* We need to get the size out of the right CQE */ |
17706 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
17707 | len = bf_get(lpfc_rcqe_length, | |
17708 | &hbq_buf->cq_event.cqe.rcqe_cmpl); | |
4f774513 JS |
17709 | iocbq->context2 = d_buf; |
17710 | iocbq->context3 = NULL; | |
17711 | iocbq->iocb.ulpBdeCount = 1; | |
48a5a664 JS |
17712 | if (len > LPFC_DATA_BUF_SIZE) |
17713 | iocbq->iocb.un.cont64[0].tus.f.bdeSize = | |
4f774513 | 17714 | LPFC_DATA_BUF_SIZE; |
48a5a664 JS |
17715 | else |
17716 | iocbq->iocb.un.cont64[0].tus.f.bdeSize = len; | |
7851fe2c | 17717 | |
7851fe2c JS |
17718 | tot_len += len; |
17719 | iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; | |
17720 | ||
4f774513 JS |
17721 | iocbq->iocb.un.rcvels.remoteID = sid; |
17722 | list_add_tail(&iocbq->list, &first_iocbq->list); | |
17723 | } | |
17724 | } | |
17725 | return first_iocbq; | |
17726 | } | |
17727 | ||
6669f9bb JS |
17728 | static void |
17729 | lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *vport, | |
17730 | struct hbq_dmabuf *seq_dmabuf) | |
17731 | { | |
17732 | struct fc_frame_header *fc_hdr; | |
17733 | struct lpfc_iocbq *iocbq, *curr_iocb, *next_iocb; | |
17734 | struct lpfc_hba *phba = vport->phba; | |
17735 | ||
17736 | fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
17737 | iocbq = lpfc_prep_seq(vport, seq_dmabuf); | |
17738 | if (!iocbq) { | |
17739 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
17740 | "2707 Ring %d handler: Failed to allocate " | |
17741 | "iocb Rctl x%x Type x%x received\n", | |
17742 | LPFC_ELS_RING, | |
17743 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
17744 | return; | |
17745 | } | |
17746 | if (!lpfc_complete_unsol_iocb(phba, | |
895427bd | 17747 | phba->sli4_hba.els_wq->pring, |
6669f9bb JS |
17748 | iocbq, fc_hdr->fh_r_ctl, |
17749 | fc_hdr->fh_type)) | |
6d368e53 | 17750 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
6669f9bb JS |
17751 | "2540 Ring %d handler: unexpected Rctl " |
17752 | "x%x Type x%x received\n", | |
17753 | LPFC_ELS_RING, | |
17754 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
17755 | ||
17756 | /* Free iocb created in lpfc_prep_seq */ | |
17757 | list_for_each_entry_safe(curr_iocb, next_iocb, | |
17758 | &iocbq->list, list) { | |
17759 | list_del_init(&curr_iocb->list); | |
17760 | lpfc_sli_release_iocbq(phba, curr_iocb); | |
17761 | } | |
17762 | lpfc_sli_release_iocbq(phba, iocbq); | |
17763 | } | |
17764 | ||
ae9e28f3 JS |
17765 | static void |
17766 | lpfc_sli4_mds_loopback_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
17767 | struct lpfc_iocbq *rspiocb) | |
17768 | { | |
17769 | struct lpfc_dmabuf *pcmd = cmdiocb->context2; | |
17770 | ||
17771 | if (pcmd && pcmd->virt) | |
771db5c0 | 17772 | dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); |
ae9e28f3 JS |
17773 | kfree(pcmd); |
17774 | lpfc_sli_release_iocbq(phba, cmdiocb); | |
e817e5d7 | 17775 | lpfc_drain_txq(phba); |
ae9e28f3 JS |
17776 | } |
17777 | ||
17778 | static void | |
17779 | lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, | |
17780 | struct hbq_dmabuf *dmabuf) | |
17781 | { | |
17782 | struct fc_frame_header *fc_hdr; | |
17783 | struct lpfc_hba *phba = vport->phba; | |
17784 | struct lpfc_iocbq *iocbq = NULL; | |
17785 | union lpfc_wqe *wqe; | |
17786 | struct lpfc_dmabuf *pcmd = NULL; | |
17787 | uint32_t frame_len; | |
17788 | int rc; | |
e817e5d7 | 17789 | unsigned long iflags; |
ae9e28f3 JS |
17790 | |
17791 | fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
17792 | frame_len = bf_get(lpfc_rcqe_length, &dmabuf->cq_event.cqe.rcqe_cmpl); | |
17793 | ||
17794 | /* Send the received frame back */ | |
17795 | iocbq = lpfc_sli_get_iocbq(phba); | |
e817e5d7 JS |
17796 | if (!iocbq) { |
17797 | /* Queue cq event and wakeup worker thread to process it */ | |
17798 | spin_lock_irqsave(&phba->hbalock, iflags); | |
17799 | list_add_tail(&dmabuf->cq_event.list, | |
17800 | &phba->sli4_hba.sp_queue_event); | |
17801 | phba->hba_flag |= HBA_SP_QUEUE_EVT; | |
17802 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
17803 | lpfc_worker_wake_up(phba); | |
17804 | return; | |
17805 | } | |
ae9e28f3 JS |
17806 | |
17807 | /* Allocate buffer for command payload */ | |
17808 | pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
17809 | if (pcmd) | |
771db5c0 | 17810 | pcmd->virt = dma_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL, |
ae9e28f3 JS |
17811 | &pcmd->phys); |
17812 | if (!pcmd || !pcmd->virt) | |
17813 | goto exit; | |
17814 | ||
17815 | INIT_LIST_HEAD(&pcmd->list); | |
17816 | ||
17817 | /* copyin the payload */ | |
17818 | memcpy(pcmd->virt, dmabuf->dbuf.virt, frame_len); | |
17819 | ||
17820 | /* fill in BDE's for command */ | |
17821 | iocbq->iocb.un.xseq64.bdl.addrHigh = putPaddrHigh(pcmd->phys); | |
17822 | iocbq->iocb.un.xseq64.bdl.addrLow = putPaddrLow(pcmd->phys); | |
17823 | iocbq->iocb.un.xseq64.bdl.bdeFlags = BUFF_TYPE_BDE_64; | |
17824 | iocbq->iocb.un.xseq64.bdl.bdeSize = frame_len; | |
17825 | ||
17826 | iocbq->context2 = pcmd; | |
17827 | iocbq->vport = vport; | |
17828 | iocbq->iocb_flag &= ~LPFC_FIP_ELS_ID_MASK; | |
17829 | iocbq->iocb_flag |= LPFC_USE_FCPWQIDX; | |
17830 | ||
17831 | /* | |
17832 | * Setup rest of the iocb as though it were a WQE | |
17833 | * Build the SEND_FRAME WQE | |
17834 | */ | |
17835 | wqe = (union lpfc_wqe *)&iocbq->iocb; | |
17836 | ||
17837 | wqe->send_frame.frame_len = frame_len; | |
17838 | wqe->send_frame.fc_hdr_wd0 = be32_to_cpu(*((uint32_t *)fc_hdr)); | |
17839 | wqe->send_frame.fc_hdr_wd1 = be32_to_cpu(*((uint32_t *)fc_hdr + 1)); | |
17840 | wqe->send_frame.fc_hdr_wd2 = be32_to_cpu(*((uint32_t *)fc_hdr + 2)); | |
17841 | wqe->send_frame.fc_hdr_wd3 = be32_to_cpu(*((uint32_t *)fc_hdr + 3)); | |
17842 | wqe->send_frame.fc_hdr_wd4 = be32_to_cpu(*((uint32_t *)fc_hdr + 4)); | |
17843 | wqe->send_frame.fc_hdr_wd5 = be32_to_cpu(*((uint32_t *)fc_hdr + 5)); | |
17844 | ||
17845 | iocbq->iocb.ulpCommand = CMD_SEND_FRAME; | |
17846 | iocbq->iocb.ulpLe = 1; | |
17847 | iocbq->iocb_cmpl = lpfc_sli4_mds_loopback_cmpl; | |
17848 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocbq, 0); | |
17849 | if (rc == IOCB_ERROR) | |
17850 | goto exit; | |
17851 | ||
17852 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17853 | return; | |
17854 | ||
17855 | exit: | |
17856 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
17857 | "2023 Unable to process MDS loopback frame\n"); | |
17858 | if (pcmd && pcmd->virt) | |
771db5c0 | 17859 | dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); |
ae9e28f3 | 17860 | kfree(pcmd); |
401bb416 DK |
17861 | if (iocbq) |
17862 | lpfc_sli_release_iocbq(phba, iocbq); | |
ae9e28f3 JS |
17863 | lpfc_in_buf_free(phba, &dmabuf->dbuf); |
17864 | } | |
17865 | ||
4f774513 JS |
17866 | /** |
17867 | * lpfc_sli4_handle_received_buffer - Handle received buffers from firmware | |
17868 | * @phba: Pointer to HBA context object. | |
17869 | * | |
17870 | * This function is called with no lock held. This function processes all | |
17871 | * the received buffers and gives it to upper layers when a received buffer | |
17872 | * indicates that it is the final frame in the sequence. The interrupt | |
895427bd | 17873 | * service routine processes received buffers at interrupt contexts. |
4f774513 JS |
17874 | * Worker thread calls lpfc_sli4_handle_received_buffer, which will call the |
17875 | * appropriate receive function when the final frame in a sequence is received. | |
17876 | **/ | |
4d9ab994 JS |
17877 | void |
17878 | lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba, | |
17879 | struct hbq_dmabuf *dmabuf) | |
4f774513 | 17880 | { |
4d9ab994 | 17881 | struct hbq_dmabuf *seq_dmabuf; |
4f774513 JS |
17882 | struct fc_frame_header *fc_hdr; |
17883 | struct lpfc_vport *vport; | |
17884 | uint32_t fcfi; | |
939723a4 | 17885 | uint32_t did; |
4f774513 | 17886 | |
4f774513 | 17887 | /* Process each received buffer */ |
4d9ab994 | 17888 | fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; |
2ea259ee | 17889 | |
e817e5d7 JS |
17890 | if (fc_hdr->fh_r_ctl == FC_RCTL_MDS_DIAGS || |
17891 | fc_hdr->fh_r_ctl == FC_RCTL_DD_UNSOL_DATA) { | |
17892 | vport = phba->pport; | |
17893 | /* Handle MDS Loopback frames */ | |
17894 | lpfc_sli4_handle_mds_loopback(vport, dmabuf); | |
17895 | return; | |
17896 | } | |
17897 | ||
4d9ab994 JS |
17898 | /* check to see if this a valid type of frame */ |
17899 | if (lpfc_fc_frame_check(phba, fc_hdr)) { | |
17900 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17901 | return; | |
17902 | } | |
2ea259ee | 17903 | |
7851fe2c JS |
17904 | if ((bf_get(lpfc_cqe_code, |
17905 | &dmabuf->cq_event.cqe.rcqe_cmpl) == CQE_CODE_RECEIVE_V1)) | |
17906 | fcfi = bf_get(lpfc_rcqe_fcf_id_v1, | |
17907 | &dmabuf->cq_event.cqe.rcqe_cmpl); | |
17908 | else | |
17909 | fcfi = bf_get(lpfc_rcqe_fcf_id, | |
17910 | &dmabuf->cq_event.cqe.rcqe_cmpl); | |
939723a4 | 17911 | |
895427bd JS |
17912 | /* d_id this frame is directed to */ |
17913 | did = sli4_did_from_fc_hdr(fc_hdr); | |
17914 | ||
17915 | vport = lpfc_fc_frame_to_vport(phba, fc_hdr, fcfi, did); | |
939723a4 | 17916 | if (!vport) { |
4d9ab994 JS |
17917 | /* throw out the frame */ |
17918 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17919 | return; | |
17920 | } | |
939723a4 | 17921 | |
939723a4 JS |
17922 | /* vport is registered unless we rcv a FLOGI directed to Fabric_DID */ |
17923 | if (!(vport->vpi_state & LPFC_VPI_REGISTERED) && | |
17924 | (did != Fabric_DID)) { | |
17925 | /* | |
17926 | * Throw out the frame if we are not pt2pt. | |
17927 | * The pt2pt protocol allows for discovery frames | |
17928 | * to be received without a registered VPI. | |
17929 | */ | |
17930 | if (!(vport->fc_flag & FC_PT2PT) || | |
17931 | (phba->link_state == LPFC_HBA_READY)) { | |
17932 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17933 | return; | |
17934 | } | |
17935 | } | |
17936 | ||
6669f9bb JS |
17937 | /* Handle the basic abort sequence (BA_ABTS) event */ |
17938 | if (fc_hdr->fh_r_ctl == FC_RCTL_BA_ABTS) { | |
17939 | lpfc_sli4_handle_unsol_abort(vport, dmabuf); | |
17940 | return; | |
17941 | } | |
17942 | ||
4d9ab994 JS |
17943 | /* Link this frame */ |
17944 | seq_dmabuf = lpfc_fc_frame_add(vport, dmabuf); | |
17945 | if (!seq_dmabuf) { | |
17946 | /* unable to add frame to vport - throw it out */ | |
17947 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17948 | return; | |
17949 | } | |
17950 | /* If not last frame in sequence continue processing frames. */ | |
def9c7a9 | 17951 | if (!lpfc_seq_complete(seq_dmabuf)) |
4d9ab994 | 17952 | return; |
def9c7a9 | 17953 | |
6669f9bb JS |
17954 | /* Send the complete sequence to the upper layer protocol */ |
17955 | lpfc_sli4_send_seq_to_ulp(vport, seq_dmabuf); | |
4f774513 | 17956 | } |
6fb120a7 JS |
17957 | |
17958 | /** | |
17959 | * lpfc_sli4_post_all_rpi_hdrs - Post the rpi header memory region to the port | |
17960 | * @phba: pointer to lpfc hba data structure. | |
17961 | * | |
17962 | * This routine is invoked to post rpi header templates to the | |
17963 | * HBA consistent with the SLI-4 interface spec. This routine | |
49198b37 JS |
17964 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to |
17965 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6fb120a7 JS |
17966 | * |
17967 | * This routine does not require any locks. It's usage is expected | |
17968 | * to be driver load or reset recovery when the driver is | |
17969 | * sequential. | |
17970 | * | |
17971 | * Return codes | |
af901ca1 | 17972 | * 0 - successful |
d439d286 | 17973 | * -EIO - The mailbox failed to complete successfully. |
6fb120a7 JS |
17974 | * When this error occurs, the driver is not guaranteed |
17975 | * to have any rpi regions posted to the device and | |
17976 | * must either attempt to repost the regions or take a | |
17977 | * fatal error. | |
17978 | **/ | |
17979 | int | |
17980 | lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *phba) | |
17981 | { | |
17982 | struct lpfc_rpi_hdr *rpi_page; | |
17983 | uint32_t rc = 0; | |
6d368e53 JS |
17984 | uint16_t lrpi = 0; |
17985 | ||
17986 | /* SLI4 ports that support extents do not require RPI headers. */ | |
17987 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
17988 | goto exit; | |
17989 | if (phba->sli4_hba.extents_in_use) | |
17990 | return -EIO; | |
6fb120a7 | 17991 | |
6fb120a7 | 17992 | list_for_each_entry(rpi_page, &phba->sli4_hba.lpfc_rpi_hdr_list, list) { |
6d368e53 JS |
17993 | /* |
17994 | * Assign the rpi headers a physical rpi only if the driver | |
17995 | * has not initialized those resources. A port reset only | |
17996 | * needs the headers posted. | |
17997 | */ | |
17998 | if (bf_get(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags) != | |
17999 | LPFC_RPI_RSRC_RDY) | |
18000 | rpi_page->start_rpi = phba->sli4_hba.rpi_ids[lrpi]; | |
18001 | ||
6fb120a7 JS |
18002 | rc = lpfc_sli4_post_rpi_hdr(phba, rpi_page); |
18003 | if (rc != MBX_SUCCESS) { | |
18004 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
18005 | "2008 Error %d posting all rpi " | |
18006 | "headers\n", rc); | |
18007 | rc = -EIO; | |
18008 | break; | |
18009 | } | |
18010 | } | |
18011 | ||
6d368e53 JS |
18012 | exit: |
18013 | bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
18014 | LPFC_RPI_RSRC_RDY); | |
6fb120a7 JS |
18015 | return rc; |
18016 | } | |
18017 | ||
18018 | /** | |
18019 | * lpfc_sli4_post_rpi_hdr - Post an rpi header memory region to the port | |
18020 | * @phba: pointer to lpfc hba data structure. | |
18021 | * @rpi_page: pointer to the rpi memory region. | |
18022 | * | |
18023 | * This routine is invoked to post a single rpi header to the | |
18024 | * HBA consistent with the SLI-4 interface spec. This memory region | |
18025 | * maps up to 64 rpi context regions. | |
18026 | * | |
18027 | * Return codes | |
af901ca1 | 18028 | * 0 - successful |
d439d286 JS |
18029 | * -ENOMEM - No available memory |
18030 | * -EIO - The mailbox failed to complete successfully. | |
6fb120a7 JS |
18031 | **/ |
18032 | int | |
18033 | lpfc_sli4_post_rpi_hdr(struct lpfc_hba *phba, struct lpfc_rpi_hdr *rpi_page) | |
18034 | { | |
18035 | LPFC_MBOXQ_t *mboxq; | |
18036 | struct lpfc_mbx_post_hdr_tmpl *hdr_tmpl; | |
18037 | uint32_t rc = 0; | |
6fb120a7 JS |
18038 | uint32_t shdr_status, shdr_add_status; |
18039 | union lpfc_sli4_cfg_shdr *shdr; | |
18040 | ||
6d368e53 JS |
18041 | /* SLI4 ports that support extents do not require RPI headers. */ |
18042 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
18043 | return rc; | |
18044 | if (phba->sli4_hba.extents_in_use) | |
18045 | return -EIO; | |
18046 | ||
6fb120a7 JS |
18047 | /* The port is notified of the header region via a mailbox command. */ |
18048 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18049 | if (!mboxq) { | |
18050 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
18051 | "2001 Unable to allocate memory for issuing " | |
18052 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
18053 | return -ENOMEM; | |
18054 | } | |
18055 | ||
18056 | /* Post all rpi memory regions to the port. */ | |
18057 | hdr_tmpl = &mboxq->u.mqe.un.hdr_tmpl; | |
6fb120a7 JS |
18058 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, |
18059 | LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE, | |
18060 | sizeof(struct lpfc_mbx_post_hdr_tmpl) - | |
fedd3b7b JS |
18061 | sizeof(struct lpfc_sli4_cfg_mhdr), |
18062 | LPFC_SLI4_MBX_EMBED); | |
6d368e53 JS |
18063 | |
18064 | ||
18065 | /* Post the physical rpi to the port for this rpi header. */ | |
6fb120a7 JS |
18066 | bf_set(lpfc_mbx_post_hdr_tmpl_rpi_offset, hdr_tmpl, |
18067 | rpi_page->start_rpi); | |
6d368e53 JS |
18068 | bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt, |
18069 | hdr_tmpl, rpi_page->page_count); | |
18070 | ||
6fb120a7 JS |
18071 | hdr_tmpl->rpi_paddr_lo = putPaddrLow(rpi_page->dmabuf->phys); |
18072 | hdr_tmpl->rpi_paddr_hi = putPaddrHigh(rpi_page->dmabuf->phys); | |
f1126688 | 18073 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); |
6fb120a7 JS |
18074 | shdr = (union lpfc_sli4_cfg_shdr *) &hdr_tmpl->header.cfg_shdr; |
18075 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
18076 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
18077 | if (rc != MBX_TIMEOUT) | |
18078 | mempool_free(mboxq, phba->mbox_mem_pool); | |
18079 | if (shdr_status || shdr_add_status || rc) { | |
18080 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18081 | "2514 POST_RPI_HDR mailbox failed with " | |
18082 | "status x%x add_status x%x, mbx status x%x\n", | |
18083 | shdr_status, shdr_add_status, rc); | |
18084 | rc = -ENXIO; | |
845d9e8d JS |
18085 | } else { |
18086 | /* | |
18087 | * The next_rpi stores the next logical module-64 rpi value used | |
18088 | * to post physical rpis in subsequent rpi postings. | |
18089 | */ | |
18090 | spin_lock_irq(&phba->hbalock); | |
18091 | phba->sli4_hba.next_rpi = rpi_page->next_rpi; | |
18092 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 JS |
18093 | } |
18094 | return rc; | |
18095 | } | |
18096 | ||
18097 | /** | |
18098 | * lpfc_sli4_alloc_rpi - Get an available rpi in the device's range | |
18099 | * @phba: pointer to lpfc hba data structure. | |
18100 | * | |
18101 | * This routine is invoked to post rpi header templates to the | |
18102 | * HBA consistent with the SLI-4 interface spec. This routine | |
49198b37 JS |
18103 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to |
18104 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6fb120a7 JS |
18105 | * |
18106 | * Returns | |
af901ca1 | 18107 | * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful |
6fb120a7 JS |
18108 | * LPFC_RPI_ALLOC_ERROR if no rpis are available. |
18109 | **/ | |
18110 | int | |
18111 | lpfc_sli4_alloc_rpi(struct lpfc_hba *phba) | |
18112 | { | |
6d368e53 JS |
18113 | unsigned long rpi; |
18114 | uint16_t max_rpi, rpi_limit; | |
18115 | uint16_t rpi_remaining, lrpi = 0; | |
6fb120a7 | 18116 | struct lpfc_rpi_hdr *rpi_hdr; |
4902b381 | 18117 | unsigned long iflag; |
6fb120a7 | 18118 | |
6fb120a7 | 18119 | /* |
6d368e53 JS |
18120 | * Fetch the next logical rpi. Because this index is logical, |
18121 | * the driver starts at 0 each time. | |
6fb120a7 | 18122 | */ |
4902b381 | 18123 | spin_lock_irqsave(&phba->hbalock, iflag); |
be6bb941 JS |
18124 | max_rpi = phba->sli4_hba.max_cfg_param.max_rpi; |
18125 | rpi_limit = phba->sli4_hba.next_rpi; | |
18126 | ||
6d368e53 JS |
18127 | rpi = find_next_zero_bit(phba->sli4_hba.rpi_bmask, rpi_limit, 0); |
18128 | if (rpi >= rpi_limit) | |
6fb120a7 JS |
18129 | rpi = LPFC_RPI_ALLOC_ERROR; |
18130 | else { | |
18131 | set_bit(rpi, phba->sli4_hba.rpi_bmask); | |
18132 | phba->sli4_hba.max_cfg_param.rpi_used++; | |
18133 | phba->sli4_hba.rpi_count++; | |
18134 | } | |
be6bb941 JS |
18135 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
18136 | "0001 rpi:%x max:%x lim:%x\n", | |
18137 | (int) rpi, max_rpi, rpi_limit); | |
6fb120a7 JS |
18138 | |
18139 | /* | |
18140 | * Don't try to allocate more rpi header regions if the device limit | |
6d368e53 | 18141 | * has been exhausted. |
6fb120a7 JS |
18142 | */ |
18143 | if ((rpi == LPFC_RPI_ALLOC_ERROR) && | |
18144 | (phba->sli4_hba.rpi_count >= max_rpi)) { | |
4902b381 | 18145 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6fb120a7 JS |
18146 | return rpi; |
18147 | } | |
18148 | ||
6d368e53 JS |
18149 | /* |
18150 | * RPI header postings are not required for SLI4 ports capable of | |
18151 | * extents. | |
18152 | */ | |
18153 | if (!phba->sli4_hba.rpi_hdrs_in_use) { | |
4902b381 | 18154 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6d368e53 JS |
18155 | return rpi; |
18156 | } | |
18157 | ||
6fb120a7 JS |
18158 | /* |
18159 | * If the driver is running low on rpi resources, allocate another | |
18160 | * page now. Note that the next_rpi value is used because | |
18161 | * it represents how many are actually in use whereas max_rpi notes | |
18162 | * how many are supported max by the device. | |
18163 | */ | |
6d368e53 | 18164 | rpi_remaining = phba->sli4_hba.next_rpi - phba->sli4_hba.rpi_count; |
4902b381 | 18165 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6fb120a7 JS |
18166 | if (rpi_remaining < LPFC_RPI_LOW_WATER_MARK) { |
18167 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
18168 | if (!rpi_hdr) { | |
18169 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
18170 | "2002 Error Could not grow rpi " | |
18171 | "count\n"); | |
18172 | } else { | |
6d368e53 JS |
18173 | lrpi = rpi_hdr->start_rpi; |
18174 | rpi_hdr->start_rpi = phba->sli4_hba.rpi_ids[lrpi]; | |
6fb120a7 JS |
18175 | lpfc_sli4_post_rpi_hdr(phba, rpi_hdr); |
18176 | } | |
18177 | } | |
18178 | ||
18179 | return rpi; | |
18180 | } | |
18181 | ||
d7c47992 JS |
18182 | /** |
18183 | * lpfc_sli4_free_rpi - Release an rpi for reuse. | |
18184 | * @phba: pointer to lpfc hba data structure. | |
18185 | * | |
18186 | * This routine is invoked to release an rpi to the pool of | |
18187 | * available rpis maintained by the driver. | |
18188 | **/ | |
5d8b8167 | 18189 | static void |
d7c47992 JS |
18190 | __lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi) |
18191 | { | |
18192 | if (test_and_clear_bit(rpi, phba->sli4_hba.rpi_bmask)) { | |
18193 | phba->sli4_hba.rpi_count--; | |
18194 | phba->sli4_hba.max_cfg_param.rpi_used--; | |
18195 | } | |
18196 | } | |
18197 | ||
6fb120a7 JS |
18198 | /** |
18199 | * lpfc_sli4_free_rpi - Release an rpi for reuse. | |
18200 | * @phba: pointer to lpfc hba data structure. | |
18201 | * | |
18202 | * This routine is invoked to release an rpi to the pool of | |
18203 | * available rpis maintained by the driver. | |
18204 | **/ | |
18205 | void | |
18206 | lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi) | |
18207 | { | |
18208 | spin_lock_irq(&phba->hbalock); | |
d7c47992 | 18209 | __lpfc_sli4_free_rpi(phba, rpi); |
6fb120a7 JS |
18210 | spin_unlock_irq(&phba->hbalock); |
18211 | } | |
18212 | ||
18213 | /** | |
18214 | * lpfc_sli4_remove_rpis - Remove the rpi bitmask region | |
18215 | * @phba: pointer to lpfc hba data structure. | |
18216 | * | |
18217 | * This routine is invoked to remove the memory region that | |
18218 | * provided rpi via a bitmask. | |
18219 | **/ | |
18220 | void | |
18221 | lpfc_sli4_remove_rpis(struct lpfc_hba *phba) | |
18222 | { | |
18223 | kfree(phba->sli4_hba.rpi_bmask); | |
6d368e53 JS |
18224 | kfree(phba->sli4_hba.rpi_ids); |
18225 | bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6fb120a7 JS |
18226 | } |
18227 | ||
18228 | /** | |
18229 | * lpfc_sli4_resume_rpi - Remove the rpi bitmask region | |
18230 | * @phba: pointer to lpfc hba data structure. | |
18231 | * | |
18232 | * This routine is invoked to remove the memory region that | |
18233 | * provided rpi via a bitmask. | |
18234 | **/ | |
18235 | int | |
6b5151fd JS |
18236 | lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp, |
18237 | void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *arg) | |
6fb120a7 JS |
18238 | { |
18239 | LPFC_MBOXQ_t *mboxq; | |
18240 | struct lpfc_hba *phba = ndlp->phba; | |
18241 | int rc; | |
18242 | ||
18243 | /* The port is notified of the header region via a mailbox command. */ | |
18244 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18245 | if (!mboxq) | |
18246 | return -ENOMEM; | |
18247 | ||
18248 | /* Post all rpi memory regions to the port. */ | |
18249 | lpfc_resume_rpi(mboxq, ndlp); | |
6b5151fd JS |
18250 | if (cmpl) { |
18251 | mboxq->mbox_cmpl = cmpl; | |
3e1f0718 JS |
18252 | mboxq->ctx_buf = arg; |
18253 | mboxq->ctx_ndlp = ndlp; | |
72859909 JS |
18254 | } else |
18255 | mboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
6b5151fd | 18256 | mboxq->vport = ndlp->vport; |
6fb120a7 JS |
18257 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); |
18258 | if (rc == MBX_NOT_FINISHED) { | |
18259 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
18260 | "2010 Resume RPI Mailbox failed " | |
18261 | "status %d, mbxStatus x%x\n", rc, | |
18262 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
18263 | mempool_free(mboxq, phba->mbox_mem_pool); | |
18264 | return -EIO; | |
18265 | } | |
18266 | return 0; | |
18267 | } | |
18268 | ||
18269 | /** | |
18270 | * lpfc_sli4_init_vpi - Initialize a vpi with the port | |
76a95d75 | 18271 | * @vport: Pointer to the vport for which the vpi is being initialized |
6fb120a7 | 18272 | * |
76a95d75 | 18273 | * This routine is invoked to activate a vpi with the port. |
6fb120a7 JS |
18274 | * |
18275 | * Returns: | |
18276 | * 0 success | |
18277 | * -Evalue otherwise | |
18278 | **/ | |
18279 | int | |
76a95d75 | 18280 | lpfc_sli4_init_vpi(struct lpfc_vport *vport) |
6fb120a7 JS |
18281 | { |
18282 | LPFC_MBOXQ_t *mboxq; | |
18283 | int rc = 0; | |
6a9c52cf | 18284 | int retval = MBX_SUCCESS; |
6fb120a7 | 18285 | uint32_t mbox_tmo; |
76a95d75 | 18286 | struct lpfc_hba *phba = vport->phba; |
6fb120a7 JS |
18287 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
18288 | if (!mboxq) | |
18289 | return -ENOMEM; | |
76a95d75 | 18290 | lpfc_init_vpi(phba, mboxq, vport->vpi); |
a183a15f | 18291 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); |
6fb120a7 | 18292 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); |
6fb120a7 | 18293 | if (rc != MBX_SUCCESS) { |
76a95d75 | 18294 | lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI, |
6fb120a7 JS |
18295 | "2022 INIT VPI Mailbox failed " |
18296 | "status %d, mbxStatus x%x\n", rc, | |
18297 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
6a9c52cf | 18298 | retval = -EIO; |
6fb120a7 | 18299 | } |
6a9c52cf | 18300 | if (rc != MBX_TIMEOUT) |
76a95d75 | 18301 | mempool_free(mboxq, vport->phba->mbox_mem_pool); |
6a9c52cf JS |
18302 | |
18303 | return retval; | |
6fb120a7 JS |
18304 | } |
18305 | ||
18306 | /** | |
18307 | * lpfc_mbx_cmpl_add_fcf_record - add fcf mbox completion handler. | |
18308 | * @phba: pointer to lpfc hba data structure. | |
18309 | * @mboxq: Pointer to mailbox object. | |
18310 | * | |
18311 | * This routine is invoked to manually add a single FCF record. The caller | |
18312 | * must pass a completely initialized FCF_Record. This routine takes | |
18313 | * care of the nonembedded mailbox operations. | |
18314 | **/ | |
18315 | static void | |
18316 | lpfc_mbx_cmpl_add_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
18317 | { | |
18318 | void *virt_addr; | |
18319 | union lpfc_sli4_cfg_shdr *shdr; | |
18320 | uint32_t shdr_status, shdr_add_status; | |
18321 | ||
18322 | virt_addr = mboxq->sge_array->addr[0]; | |
18323 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
18324 | shdr = (union lpfc_sli4_cfg_shdr *) virt_addr; | |
18325 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
18326 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
18327 | ||
18328 | if ((shdr_status || shdr_add_status) && | |
18329 | (shdr_status != STATUS_FCF_IN_USE)) | |
18330 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18331 | "2558 ADD_FCF_RECORD mailbox failed with " | |
18332 | "status x%x add_status x%x\n", | |
18333 | shdr_status, shdr_add_status); | |
18334 | ||
18335 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
18336 | } | |
18337 | ||
18338 | /** | |
18339 | * lpfc_sli4_add_fcf_record - Manually add an FCF Record. | |
18340 | * @phba: pointer to lpfc hba data structure. | |
18341 | * @fcf_record: pointer to the initialized fcf record to add. | |
18342 | * | |
18343 | * This routine is invoked to manually add a single FCF record. The caller | |
18344 | * must pass a completely initialized FCF_Record. This routine takes | |
18345 | * care of the nonembedded mailbox operations. | |
18346 | **/ | |
18347 | int | |
18348 | lpfc_sli4_add_fcf_record(struct lpfc_hba *phba, struct fcf_record *fcf_record) | |
18349 | { | |
18350 | int rc = 0; | |
18351 | LPFC_MBOXQ_t *mboxq; | |
18352 | uint8_t *bytep; | |
18353 | void *virt_addr; | |
6fb120a7 JS |
18354 | struct lpfc_mbx_sge sge; |
18355 | uint32_t alloc_len, req_len; | |
18356 | uint32_t fcfindex; | |
18357 | ||
18358 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18359 | if (!mboxq) { | |
18360 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18361 | "2009 Failed to allocate mbox for ADD_FCF cmd\n"); | |
18362 | return -ENOMEM; | |
18363 | } | |
18364 | ||
18365 | req_len = sizeof(struct fcf_record) + sizeof(union lpfc_sli4_cfg_shdr) + | |
18366 | sizeof(uint32_t); | |
18367 | ||
18368 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
18369 | alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, | |
18370 | LPFC_MBOX_OPCODE_FCOE_ADD_FCF, | |
18371 | req_len, LPFC_SLI4_MBX_NEMBED); | |
18372 | if (alloc_len < req_len) { | |
18373 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18374 | "2523 Allocated DMA memory size (x%x) is " | |
18375 | "less than the requested DMA memory " | |
18376 | "size (x%x)\n", alloc_len, req_len); | |
18377 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
18378 | return -ENOMEM; | |
18379 | } | |
18380 | ||
18381 | /* | |
18382 | * Get the first SGE entry from the non-embedded DMA memory. This | |
18383 | * routine only uses a single SGE. | |
18384 | */ | |
18385 | lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); | |
6fb120a7 JS |
18386 | virt_addr = mboxq->sge_array->addr[0]; |
18387 | /* | |
18388 | * Configure the FCF record for FCFI 0. This is the driver's | |
18389 | * hardcoded default and gets used in nonFIP mode. | |
18390 | */ | |
18391 | fcfindex = bf_get(lpfc_fcf_record_fcf_index, fcf_record); | |
18392 | bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr); | |
18393 | lpfc_sli_pcimem_bcopy(&fcfindex, bytep, sizeof(uint32_t)); | |
18394 | ||
18395 | /* | |
18396 | * Copy the fcf_index and the FCF Record Data. The data starts after | |
18397 | * the FCoE header plus word10. The data copy needs to be endian | |
18398 | * correct. | |
18399 | */ | |
18400 | bytep += sizeof(uint32_t); | |
18401 | lpfc_sli_pcimem_bcopy(fcf_record, bytep, sizeof(struct fcf_record)); | |
18402 | mboxq->vport = phba->pport; | |
18403 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_add_fcf_record; | |
18404 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
18405 | if (rc == MBX_NOT_FINISHED) { | |
18406 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18407 | "2515 ADD_FCF_RECORD mailbox failed with " | |
18408 | "status 0x%x\n", rc); | |
18409 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
18410 | rc = -EIO; | |
18411 | } else | |
18412 | rc = 0; | |
18413 | ||
18414 | return rc; | |
18415 | } | |
18416 | ||
18417 | /** | |
18418 | * lpfc_sli4_build_dflt_fcf_record - Build the driver's default FCF Record. | |
18419 | * @phba: pointer to lpfc hba data structure. | |
18420 | * @fcf_record: pointer to the fcf record to write the default data. | |
18421 | * @fcf_index: FCF table entry index. | |
18422 | * | |
18423 | * This routine is invoked to build the driver's default FCF record. The | |
18424 | * values used are hardcoded. This routine handles memory initialization. | |
18425 | * | |
18426 | **/ | |
18427 | void | |
18428 | lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *phba, | |
18429 | struct fcf_record *fcf_record, | |
18430 | uint16_t fcf_index) | |
18431 | { | |
18432 | memset(fcf_record, 0, sizeof(struct fcf_record)); | |
18433 | fcf_record->max_rcv_size = LPFC_FCOE_MAX_RCV_SIZE; | |
18434 | fcf_record->fka_adv_period = LPFC_FCOE_FKA_ADV_PER; | |
18435 | fcf_record->fip_priority = LPFC_FCOE_FIP_PRIORITY; | |
18436 | bf_set(lpfc_fcf_record_mac_0, fcf_record, phba->fc_map[0]); | |
18437 | bf_set(lpfc_fcf_record_mac_1, fcf_record, phba->fc_map[1]); | |
18438 | bf_set(lpfc_fcf_record_mac_2, fcf_record, phba->fc_map[2]); | |
18439 | bf_set(lpfc_fcf_record_mac_3, fcf_record, LPFC_FCOE_FCF_MAC3); | |
18440 | bf_set(lpfc_fcf_record_mac_4, fcf_record, LPFC_FCOE_FCF_MAC4); | |
18441 | bf_set(lpfc_fcf_record_mac_5, fcf_record, LPFC_FCOE_FCF_MAC5); | |
18442 | bf_set(lpfc_fcf_record_fc_map_0, fcf_record, phba->fc_map[0]); | |
18443 | bf_set(lpfc_fcf_record_fc_map_1, fcf_record, phba->fc_map[1]); | |
18444 | bf_set(lpfc_fcf_record_fc_map_2, fcf_record, phba->fc_map[2]); | |
18445 | bf_set(lpfc_fcf_record_fcf_valid, fcf_record, 1); | |
0c287589 | 18446 | bf_set(lpfc_fcf_record_fcf_avail, fcf_record, 1); |
6fb120a7 JS |
18447 | bf_set(lpfc_fcf_record_fcf_index, fcf_record, fcf_index); |
18448 | bf_set(lpfc_fcf_record_mac_addr_prov, fcf_record, | |
18449 | LPFC_FCF_FPMA | LPFC_FCF_SPMA); | |
18450 | /* Set the VLAN bit map */ | |
18451 | if (phba->valid_vlan) { | |
18452 | fcf_record->vlan_bitmap[phba->vlan_id / 8] | |
18453 | = 1 << (phba->vlan_id % 8); | |
18454 | } | |
18455 | } | |
18456 | ||
18457 | /** | |
0c9ab6f5 | 18458 | * lpfc_sli4_fcf_scan_read_fcf_rec - Read hba fcf record for fcf scan. |
6fb120a7 JS |
18459 | * @phba: pointer to lpfc hba data structure. |
18460 | * @fcf_index: FCF table entry offset. | |
18461 | * | |
0c9ab6f5 JS |
18462 | * This routine is invoked to scan the entire FCF table by reading FCF |
18463 | * record and processing it one at a time starting from the @fcf_index | |
18464 | * for initial FCF discovery or fast FCF failover rediscovery. | |
18465 | * | |
25985edc | 18466 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 | 18467 | * otherwise. |
6fb120a7 JS |
18468 | **/ |
18469 | int | |
0c9ab6f5 | 18470 | lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) |
6fb120a7 JS |
18471 | { |
18472 | int rc = 0, error; | |
18473 | LPFC_MBOXQ_t *mboxq; | |
6fb120a7 | 18474 | |
32b9793f | 18475 | phba->fcoe_eventtag_at_fcf_scan = phba->fcoe_eventtag; |
80c17849 | 18476 | phba->fcoe_cvl_eventtag_attn = phba->fcoe_cvl_eventtag; |
6fb120a7 JS |
18477 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
18478 | if (!mboxq) { | |
18479 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18480 | "2000 Failed to allocate mbox for " | |
18481 | "READ_FCF cmd\n"); | |
4d9ab994 | 18482 | error = -ENOMEM; |
0c9ab6f5 | 18483 | goto fail_fcf_scan; |
6fb120a7 | 18484 | } |
ecfd03c6 | 18485 | /* Construct the read FCF record mailbox command */ |
0c9ab6f5 | 18486 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); |
ecfd03c6 JS |
18487 | if (rc) { |
18488 | error = -EINVAL; | |
0c9ab6f5 | 18489 | goto fail_fcf_scan; |
6fb120a7 | 18490 | } |
ecfd03c6 | 18491 | /* Issue the mailbox command asynchronously */ |
6fb120a7 | 18492 | mboxq->vport = phba->pport; |
0c9ab6f5 | 18493 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_scan_read_fcf_rec; |
a93ff37a JS |
18494 | |
18495 | spin_lock_irq(&phba->hbalock); | |
18496 | phba->hba_flag |= FCF_TS_INPROG; | |
18497 | spin_unlock_irq(&phba->hbalock); | |
18498 | ||
6fb120a7 | 18499 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); |
ecfd03c6 | 18500 | if (rc == MBX_NOT_FINISHED) |
6fb120a7 | 18501 | error = -EIO; |
ecfd03c6 | 18502 | else { |
38b92ef8 JS |
18503 | /* Reset eligible FCF count for new scan */ |
18504 | if (fcf_index == LPFC_FCOE_FCF_GET_FIRST) | |
999d813f | 18505 | phba->fcf.eligible_fcf_cnt = 0; |
6fb120a7 | 18506 | error = 0; |
32b9793f | 18507 | } |
0c9ab6f5 | 18508 | fail_fcf_scan: |
4d9ab994 JS |
18509 | if (error) { |
18510 | if (mboxq) | |
18511 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
a93ff37a | 18512 | /* FCF scan failed, clear FCF_TS_INPROG flag */ |
4d9ab994 | 18513 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 18514 | phba->hba_flag &= ~FCF_TS_INPROG; |
4d9ab994 JS |
18515 | spin_unlock_irq(&phba->hbalock); |
18516 | } | |
6fb120a7 JS |
18517 | return error; |
18518 | } | |
a0c87cbd | 18519 | |
0c9ab6f5 | 18520 | /** |
a93ff37a | 18521 | * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for roundrobin fcf. |
0c9ab6f5 JS |
18522 | * @phba: pointer to lpfc hba data structure. |
18523 | * @fcf_index: FCF table entry offset. | |
18524 | * | |
18525 | * This routine is invoked to read an FCF record indicated by @fcf_index | |
a93ff37a | 18526 | * and to use it for FLOGI roundrobin FCF failover. |
0c9ab6f5 | 18527 | * |
25985edc | 18528 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 JS |
18529 | * otherwise. |
18530 | **/ | |
18531 | int | |
18532 | lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) | |
18533 | { | |
18534 | int rc = 0, error; | |
18535 | LPFC_MBOXQ_t *mboxq; | |
18536 | ||
18537 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18538 | if (!mboxq) { | |
18539 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT, | |
18540 | "2763 Failed to allocate mbox for " | |
18541 | "READ_FCF cmd\n"); | |
18542 | error = -ENOMEM; | |
18543 | goto fail_fcf_read; | |
18544 | } | |
18545 | /* Construct the read FCF record mailbox command */ | |
18546 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); | |
18547 | if (rc) { | |
18548 | error = -EINVAL; | |
18549 | goto fail_fcf_read; | |
18550 | } | |
18551 | /* Issue the mailbox command asynchronously */ | |
18552 | mboxq->vport = phba->pport; | |
18553 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_rr_read_fcf_rec; | |
18554 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
18555 | if (rc == MBX_NOT_FINISHED) | |
18556 | error = -EIO; | |
18557 | else | |
18558 | error = 0; | |
18559 | ||
18560 | fail_fcf_read: | |
18561 | if (error && mboxq) | |
18562 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
18563 | return error; | |
18564 | } | |
18565 | ||
18566 | /** | |
18567 | * lpfc_sli4_read_fcf_rec - Read hba fcf record for update eligible fcf bmask. | |
18568 | * @phba: pointer to lpfc hba data structure. | |
18569 | * @fcf_index: FCF table entry offset. | |
18570 | * | |
18571 | * This routine is invoked to read an FCF record indicated by @fcf_index to | |
a93ff37a | 18572 | * determine whether it's eligible for FLOGI roundrobin failover list. |
0c9ab6f5 | 18573 | * |
25985edc | 18574 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 JS |
18575 | * otherwise. |
18576 | **/ | |
18577 | int | |
18578 | lpfc_sli4_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) | |
18579 | { | |
18580 | int rc = 0, error; | |
18581 | LPFC_MBOXQ_t *mboxq; | |
18582 | ||
18583 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18584 | if (!mboxq) { | |
18585 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT, | |
18586 | "2758 Failed to allocate mbox for " | |
18587 | "READ_FCF cmd\n"); | |
18588 | error = -ENOMEM; | |
18589 | goto fail_fcf_read; | |
18590 | } | |
18591 | /* Construct the read FCF record mailbox command */ | |
18592 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); | |
18593 | if (rc) { | |
18594 | error = -EINVAL; | |
18595 | goto fail_fcf_read; | |
18596 | } | |
18597 | /* Issue the mailbox command asynchronously */ | |
18598 | mboxq->vport = phba->pport; | |
18599 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_rec; | |
18600 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
18601 | if (rc == MBX_NOT_FINISHED) | |
18602 | error = -EIO; | |
18603 | else | |
18604 | error = 0; | |
18605 | ||
18606 | fail_fcf_read: | |
18607 | if (error && mboxq) | |
18608 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
18609 | return error; | |
18610 | } | |
18611 | ||
7d791df7 | 18612 | /** |
f5cb5304 | 18613 | * lpfc_check_next_fcf_pri_level |
7d791df7 JS |
18614 | * phba pointer to the lpfc_hba struct for this port. |
18615 | * This routine is called from the lpfc_sli4_fcf_rr_next_index_get | |
18616 | * routine when the rr_bmask is empty. The FCF indecies are put into the | |
18617 | * rr_bmask based on their priority level. Starting from the highest priority | |
18618 | * to the lowest. The most likely FCF candidate will be in the highest | |
18619 | * priority group. When this routine is called it searches the fcf_pri list for | |
18620 | * next lowest priority group and repopulates the rr_bmask with only those | |
18621 | * fcf_indexes. | |
18622 | * returns: | |
18623 | * 1=success 0=failure | |
18624 | **/ | |
5d8b8167 | 18625 | static int |
7d791df7 JS |
18626 | lpfc_check_next_fcf_pri_level(struct lpfc_hba *phba) |
18627 | { | |
18628 | uint16_t next_fcf_pri; | |
18629 | uint16_t last_index; | |
18630 | struct lpfc_fcf_pri *fcf_pri; | |
18631 | int rc; | |
18632 | int ret = 0; | |
18633 | ||
18634 | last_index = find_first_bit(phba->fcf.fcf_rr_bmask, | |
18635 | LPFC_SLI4_FCF_TBL_INDX_MAX); | |
18636 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
18637 | "3060 Last IDX %d\n", last_index); | |
2562669c JS |
18638 | |
18639 | /* Verify the priority list has 2 or more entries */ | |
18640 | spin_lock_irq(&phba->hbalock); | |
18641 | if (list_empty(&phba->fcf.fcf_pri_list) || | |
18642 | list_is_singular(&phba->fcf.fcf_pri_list)) { | |
18643 | spin_unlock_irq(&phba->hbalock); | |
7d791df7 JS |
18644 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
18645 | "3061 Last IDX %d\n", last_index); | |
18646 | return 0; /* Empty rr list */ | |
18647 | } | |
2562669c JS |
18648 | spin_unlock_irq(&phba->hbalock); |
18649 | ||
7d791df7 JS |
18650 | next_fcf_pri = 0; |
18651 | /* | |
18652 | * Clear the rr_bmask and set all of the bits that are at this | |
18653 | * priority. | |
18654 | */ | |
18655 | memset(phba->fcf.fcf_rr_bmask, 0, | |
18656 | sizeof(*phba->fcf.fcf_rr_bmask)); | |
18657 | spin_lock_irq(&phba->hbalock); | |
18658 | list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { | |
18659 | if (fcf_pri->fcf_rec.flag & LPFC_FCF_FLOGI_FAILED) | |
18660 | continue; | |
18661 | /* | |
18662 | * the 1st priority that has not FLOGI failed | |
18663 | * will be the highest. | |
18664 | */ | |
18665 | if (!next_fcf_pri) | |
18666 | next_fcf_pri = fcf_pri->fcf_rec.priority; | |
18667 | spin_unlock_irq(&phba->hbalock); | |
18668 | if (fcf_pri->fcf_rec.priority == next_fcf_pri) { | |
18669 | rc = lpfc_sli4_fcf_rr_index_set(phba, | |
18670 | fcf_pri->fcf_rec.fcf_index); | |
18671 | if (rc) | |
18672 | return 0; | |
18673 | } | |
18674 | spin_lock_irq(&phba->hbalock); | |
18675 | } | |
18676 | /* | |
18677 | * if next_fcf_pri was not set above and the list is not empty then | |
18678 | * we have failed flogis on all of them. So reset flogi failed | |
4907cb7b | 18679 | * and start at the beginning. |
7d791df7 JS |
18680 | */ |
18681 | if (!next_fcf_pri && !list_empty(&phba->fcf.fcf_pri_list)) { | |
18682 | list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { | |
18683 | fcf_pri->fcf_rec.flag &= ~LPFC_FCF_FLOGI_FAILED; | |
18684 | /* | |
18685 | * the 1st priority that has not FLOGI failed | |
18686 | * will be the highest. | |
18687 | */ | |
18688 | if (!next_fcf_pri) | |
18689 | next_fcf_pri = fcf_pri->fcf_rec.priority; | |
18690 | spin_unlock_irq(&phba->hbalock); | |
18691 | if (fcf_pri->fcf_rec.priority == next_fcf_pri) { | |
18692 | rc = lpfc_sli4_fcf_rr_index_set(phba, | |
18693 | fcf_pri->fcf_rec.fcf_index); | |
18694 | if (rc) | |
18695 | return 0; | |
18696 | } | |
18697 | spin_lock_irq(&phba->hbalock); | |
18698 | } | |
18699 | } else | |
18700 | ret = 1; | |
18701 | spin_unlock_irq(&phba->hbalock); | |
18702 | ||
18703 | return ret; | |
18704 | } | |
0c9ab6f5 JS |
18705 | /** |
18706 | * lpfc_sli4_fcf_rr_next_index_get - Get next eligible fcf record index | |
18707 | * @phba: pointer to lpfc hba data structure. | |
18708 | * | |
18709 | * This routine is to get the next eligible FCF record index in a round | |
18710 | * robin fashion. If the next eligible FCF record index equals to the | |
a93ff37a | 18711 | * initial roundrobin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF) |
0c9ab6f5 JS |
18712 | * shall be returned, otherwise, the next eligible FCF record's index |
18713 | * shall be returned. | |
18714 | **/ | |
18715 | uint16_t | |
18716 | lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba) | |
18717 | { | |
18718 | uint16_t next_fcf_index; | |
18719 | ||
421c6622 | 18720 | initial_priority: |
3804dc84 | 18721 | /* Search start from next bit of currently registered FCF index */ |
421c6622 JS |
18722 | next_fcf_index = phba->fcf.current_rec.fcf_indx; |
18723 | ||
7d791df7 | 18724 | next_priority: |
421c6622 JS |
18725 | /* Determine the next fcf index to check */ |
18726 | next_fcf_index = (next_fcf_index + 1) % LPFC_SLI4_FCF_TBL_INDX_MAX; | |
0c9ab6f5 JS |
18727 | next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, |
18728 | LPFC_SLI4_FCF_TBL_INDX_MAX, | |
3804dc84 JS |
18729 | next_fcf_index); |
18730 | ||
0c9ab6f5 | 18731 | /* Wrap around condition on phba->fcf.fcf_rr_bmask */ |
7d791df7 JS |
18732 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { |
18733 | /* | |
18734 | * If we have wrapped then we need to clear the bits that | |
18735 | * have been tested so that we can detect when we should | |
18736 | * change the priority level. | |
18737 | */ | |
0c9ab6f5 JS |
18738 | next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, |
18739 | LPFC_SLI4_FCF_TBL_INDX_MAX, 0); | |
7d791df7 JS |
18740 | } |
18741 | ||
3804dc84 JS |
18742 | |
18743 | /* Check roundrobin failover list empty condition */ | |
7d791df7 JS |
18744 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX || |
18745 | next_fcf_index == phba->fcf.current_rec.fcf_indx) { | |
18746 | /* | |
18747 | * If next fcf index is not found check if there are lower | |
18748 | * Priority level fcf's in the fcf_priority list. | |
18749 | * Set up the rr_bmask with all of the avaiable fcf bits | |
18750 | * at that level and continue the selection process. | |
18751 | */ | |
18752 | if (lpfc_check_next_fcf_pri_level(phba)) | |
421c6622 | 18753 | goto initial_priority; |
3804dc84 JS |
18754 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
18755 | "2844 No roundrobin failover FCF available\n"); | |
036cad1f JS |
18756 | |
18757 | return LPFC_FCOE_FCF_NEXT_NONE; | |
3804dc84 JS |
18758 | } |
18759 | ||
7d791df7 JS |
18760 | if (next_fcf_index < LPFC_SLI4_FCF_TBL_INDX_MAX && |
18761 | phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag & | |
f5cb5304 JS |
18762 | LPFC_FCF_FLOGI_FAILED) { |
18763 | if (list_is_singular(&phba->fcf.fcf_pri_list)) | |
18764 | return LPFC_FCOE_FCF_NEXT_NONE; | |
18765 | ||
7d791df7 | 18766 | goto next_priority; |
f5cb5304 | 18767 | } |
7d791df7 | 18768 | |
3804dc84 | 18769 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
18770 | "2845 Get next roundrobin failover FCF (x%x)\n", |
18771 | next_fcf_index); | |
18772 | ||
0c9ab6f5 JS |
18773 | return next_fcf_index; |
18774 | } | |
18775 | ||
18776 | /** | |
18777 | * lpfc_sli4_fcf_rr_index_set - Set bmask with eligible fcf record index | |
18778 | * @phba: pointer to lpfc hba data structure. | |
18779 | * | |
18780 | * This routine sets the FCF record index in to the eligible bmask for | |
a93ff37a | 18781 | * roundrobin failover search. It checks to make sure that the index |
0c9ab6f5 JS |
18782 | * does not go beyond the range of the driver allocated bmask dimension |
18783 | * before setting the bit. | |
18784 | * | |
18785 | * Returns 0 if the index bit successfully set, otherwise, it returns | |
18786 | * -EINVAL. | |
18787 | **/ | |
18788 | int | |
18789 | lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index) | |
18790 | { | |
18791 | if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { | |
18792 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
a93ff37a JS |
18793 | "2610 FCF (x%x) reached driver's book " |
18794 | "keeping dimension:x%x\n", | |
0c9ab6f5 JS |
18795 | fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); |
18796 | return -EINVAL; | |
18797 | } | |
18798 | /* Set the eligible FCF record index bmask */ | |
18799 | set_bit(fcf_index, phba->fcf.fcf_rr_bmask); | |
18800 | ||
3804dc84 | 18801 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a | 18802 | "2790 Set FCF (x%x) to roundrobin FCF failover " |
3804dc84 JS |
18803 | "bmask\n", fcf_index); |
18804 | ||
0c9ab6f5 JS |
18805 | return 0; |
18806 | } | |
18807 | ||
18808 | /** | |
3804dc84 | 18809 | * lpfc_sli4_fcf_rr_index_clear - Clear bmask from eligible fcf record index |
0c9ab6f5 JS |
18810 | * @phba: pointer to lpfc hba data structure. |
18811 | * | |
18812 | * This routine clears the FCF record index from the eligible bmask for | |
a93ff37a | 18813 | * roundrobin failover search. It checks to make sure that the index |
0c9ab6f5 JS |
18814 | * does not go beyond the range of the driver allocated bmask dimension |
18815 | * before clearing the bit. | |
18816 | **/ | |
18817 | void | |
18818 | lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index) | |
18819 | { | |
9a803a74 | 18820 | struct lpfc_fcf_pri *fcf_pri, *fcf_pri_next; |
0c9ab6f5 JS |
18821 | if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { |
18822 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
a93ff37a JS |
18823 | "2762 FCF (x%x) reached driver's book " |
18824 | "keeping dimension:x%x\n", | |
0c9ab6f5 JS |
18825 | fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); |
18826 | return; | |
18827 | } | |
18828 | /* Clear the eligible FCF record index bmask */ | |
7d791df7 | 18829 | spin_lock_irq(&phba->hbalock); |
9a803a74 JS |
18830 | list_for_each_entry_safe(fcf_pri, fcf_pri_next, &phba->fcf.fcf_pri_list, |
18831 | list) { | |
7d791df7 JS |
18832 | if (fcf_pri->fcf_rec.fcf_index == fcf_index) { |
18833 | list_del_init(&fcf_pri->list); | |
18834 | break; | |
18835 | } | |
18836 | } | |
18837 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 18838 | clear_bit(fcf_index, phba->fcf.fcf_rr_bmask); |
3804dc84 JS |
18839 | |
18840 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a | 18841 | "2791 Clear FCF (x%x) from roundrobin failover " |
3804dc84 | 18842 | "bmask\n", fcf_index); |
0c9ab6f5 JS |
18843 | } |
18844 | ||
ecfd03c6 JS |
18845 | /** |
18846 | * lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table | |
18847 | * @phba: pointer to lpfc hba data structure. | |
18848 | * | |
18849 | * This routine is the completion routine for the rediscover FCF table mailbox | |
18850 | * command. If the mailbox command returned failure, it will try to stop the | |
18851 | * FCF rediscover wait timer. | |
18852 | **/ | |
5d8b8167 | 18853 | static void |
ecfd03c6 JS |
18854 | lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) |
18855 | { | |
18856 | struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf; | |
18857 | uint32_t shdr_status, shdr_add_status; | |
18858 | ||
18859 | redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl; | |
18860 | ||
18861 | shdr_status = bf_get(lpfc_mbox_hdr_status, | |
18862 | &redisc_fcf->header.cfg_shdr.response); | |
18863 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
18864 | &redisc_fcf->header.cfg_shdr.response); | |
18865 | if (shdr_status || shdr_add_status) { | |
0c9ab6f5 | 18866 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
ecfd03c6 JS |
18867 | "2746 Requesting for FCF rediscovery failed " |
18868 | "status x%x add_status x%x\n", | |
18869 | shdr_status, shdr_add_status); | |
0c9ab6f5 | 18870 | if (phba->fcf.fcf_flag & FCF_ACVL_DISC) { |
fc2b989b | 18871 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 18872 | phba->fcf.fcf_flag &= ~FCF_ACVL_DISC; |
fc2b989b JS |
18873 | spin_unlock_irq(&phba->hbalock); |
18874 | /* | |
18875 | * CVL event triggered FCF rediscover request failed, | |
18876 | * last resort to re-try current registered FCF entry. | |
18877 | */ | |
18878 | lpfc_retry_pport_discovery(phba); | |
18879 | } else { | |
18880 | spin_lock_irq(&phba->hbalock); | |
0c9ab6f5 | 18881 | phba->fcf.fcf_flag &= ~FCF_DEAD_DISC; |
fc2b989b JS |
18882 | spin_unlock_irq(&phba->hbalock); |
18883 | /* | |
18884 | * DEAD FCF event triggered FCF rediscover request | |
18885 | * failed, last resort to fail over as a link down | |
18886 | * to FCF registration. | |
18887 | */ | |
18888 | lpfc_sli4_fcf_dead_failthrough(phba); | |
18889 | } | |
0c9ab6f5 JS |
18890 | } else { |
18891 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a | 18892 | "2775 Start FCF rediscover quiescent timer\n"); |
ecfd03c6 JS |
18893 | /* |
18894 | * Start FCF rediscovery wait timer for pending FCF | |
18895 | * before rescan FCF record table. | |
18896 | */ | |
18897 | lpfc_fcf_redisc_wait_start_timer(phba); | |
0c9ab6f5 | 18898 | } |
ecfd03c6 JS |
18899 | |
18900 | mempool_free(mbox, phba->mbox_mem_pool); | |
18901 | } | |
18902 | ||
18903 | /** | |
3804dc84 | 18904 | * lpfc_sli4_redisc_fcf_table - Request to rediscover entire FCF table by port. |
ecfd03c6 JS |
18905 | * @phba: pointer to lpfc hba data structure. |
18906 | * | |
18907 | * This routine is invoked to request for rediscovery of the entire FCF table | |
18908 | * by the port. | |
18909 | **/ | |
18910 | int | |
18911 | lpfc_sli4_redisc_fcf_table(struct lpfc_hba *phba) | |
18912 | { | |
18913 | LPFC_MBOXQ_t *mbox; | |
18914 | struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf; | |
18915 | int rc, length; | |
18916 | ||
0c9ab6f5 JS |
18917 | /* Cancel retry delay timers to all vports before FCF rediscover */ |
18918 | lpfc_cancel_all_vport_retry_delay_timer(phba); | |
18919 | ||
ecfd03c6 JS |
18920 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
18921 | if (!mbox) { | |
18922 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
18923 | "2745 Failed to allocate mbox for " | |
18924 | "requesting FCF rediscover.\n"); | |
18925 | return -ENOMEM; | |
18926 | } | |
18927 | ||
18928 | length = (sizeof(struct lpfc_mbx_redisc_fcf_tbl) - | |
18929 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
18930 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
18931 | LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF, | |
18932 | length, LPFC_SLI4_MBX_EMBED); | |
18933 | ||
18934 | redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl; | |
18935 | /* Set count to 0 for invalidating the entire FCF database */ | |
18936 | bf_set(lpfc_mbx_redisc_fcf_count, redisc_fcf, 0); | |
18937 | ||
18938 | /* Issue the mailbox command asynchronously */ | |
18939 | mbox->vport = phba->pport; | |
18940 | mbox->mbox_cmpl = lpfc_mbx_cmpl_redisc_fcf_table; | |
18941 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
18942 | ||
18943 | if (rc == MBX_NOT_FINISHED) { | |
18944 | mempool_free(mbox, phba->mbox_mem_pool); | |
18945 | return -EIO; | |
18946 | } | |
18947 | return 0; | |
18948 | } | |
18949 | ||
fc2b989b JS |
18950 | /** |
18951 | * lpfc_sli4_fcf_dead_failthrough - Failthrough routine to fcf dead event | |
18952 | * @phba: pointer to lpfc hba data structure. | |
18953 | * | |
18954 | * This function is the failover routine as a last resort to the FCF DEAD | |
18955 | * event when driver failed to perform fast FCF failover. | |
18956 | **/ | |
18957 | void | |
18958 | lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *phba) | |
18959 | { | |
18960 | uint32_t link_state; | |
18961 | ||
18962 | /* | |
18963 | * Last resort as FCF DEAD event failover will treat this as | |
18964 | * a link down, but save the link state because we don't want | |
18965 | * it to be changed to Link Down unless it is already down. | |
18966 | */ | |
18967 | link_state = phba->link_state; | |
18968 | lpfc_linkdown(phba); | |
18969 | phba->link_state = link_state; | |
18970 | ||
18971 | /* Unregister FCF if no devices connected to it */ | |
18972 | lpfc_unregister_unused_fcf(phba); | |
18973 | } | |
18974 | ||
a0c87cbd | 18975 | /** |
026abb87 | 18976 | * lpfc_sli_get_config_region23 - Get sli3 port region 23 data. |
a0c87cbd | 18977 | * @phba: pointer to lpfc hba data structure. |
026abb87 | 18978 | * @rgn23_data: pointer to configure region 23 data. |
a0c87cbd | 18979 | * |
026abb87 JS |
18980 | * This function gets SLI3 port configure region 23 data through memory dump |
18981 | * mailbox command. When it successfully retrieves data, the size of the data | |
18982 | * will be returned, otherwise, 0 will be returned. | |
a0c87cbd | 18983 | **/ |
026abb87 JS |
18984 | static uint32_t |
18985 | lpfc_sli_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) | |
a0c87cbd JS |
18986 | { |
18987 | LPFC_MBOXQ_t *pmb = NULL; | |
18988 | MAILBOX_t *mb; | |
026abb87 | 18989 | uint32_t offset = 0; |
a0c87cbd JS |
18990 | int rc; |
18991 | ||
026abb87 JS |
18992 | if (!rgn23_data) |
18993 | return 0; | |
18994 | ||
a0c87cbd JS |
18995 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
18996 | if (!pmb) { | |
18997 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
026abb87 JS |
18998 | "2600 failed to allocate mailbox memory\n"); |
18999 | return 0; | |
a0c87cbd JS |
19000 | } |
19001 | mb = &pmb->u.mb; | |
19002 | ||
a0c87cbd JS |
19003 | do { |
19004 | lpfc_dump_mem(phba, pmb, offset, DMP_REGION_23); | |
19005 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
19006 | ||
19007 | if (rc != MBX_SUCCESS) { | |
19008 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
026abb87 JS |
19009 | "2601 failed to read config " |
19010 | "region 23, rc 0x%x Status 0x%x\n", | |
19011 | rc, mb->mbxStatus); | |
a0c87cbd JS |
19012 | mb->un.varDmp.word_cnt = 0; |
19013 | } | |
19014 | /* | |
19015 | * dump mem may return a zero when finished or we got a | |
19016 | * mailbox error, either way we are done. | |
19017 | */ | |
19018 | if (mb->un.varDmp.word_cnt == 0) | |
19019 | break; | |
19020 | if (mb->un.varDmp.word_cnt > DMP_RGN23_SIZE - offset) | |
19021 | mb->un.varDmp.word_cnt = DMP_RGN23_SIZE - offset; | |
19022 | ||
19023 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, | |
026abb87 JS |
19024 | rgn23_data + offset, |
19025 | mb->un.varDmp.word_cnt); | |
a0c87cbd JS |
19026 | offset += mb->un.varDmp.word_cnt; |
19027 | } while (mb->un.varDmp.word_cnt && offset < DMP_RGN23_SIZE); | |
19028 | ||
026abb87 JS |
19029 | mempool_free(pmb, phba->mbox_mem_pool); |
19030 | return offset; | |
19031 | } | |
19032 | ||
19033 | /** | |
19034 | * lpfc_sli4_get_config_region23 - Get sli4 port region 23 data. | |
19035 | * @phba: pointer to lpfc hba data structure. | |
19036 | * @rgn23_data: pointer to configure region 23 data. | |
19037 | * | |
19038 | * This function gets SLI4 port configure region 23 data through memory dump | |
19039 | * mailbox command. When it successfully retrieves data, the size of the data | |
19040 | * will be returned, otherwise, 0 will be returned. | |
19041 | **/ | |
19042 | static uint32_t | |
19043 | lpfc_sli4_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) | |
19044 | { | |
19045 | LPFC_MBOXQ_t *mboxq = NULL; | |
19046 | struct lpfc_dmabuf *mp = NULL; | |
19047 | struct lpfc_mqe *mqe; | |
19048 | uint32_t data_length = 0; | |
19049 | int rc; | |
19050 | ||
19051 | if (!rgn23_data) | |
19052 | return 0; | |
19053 | ||
19054 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
19055 | if (!mboxq) { | |
19056 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
19057 | "3105 failed to allocate mailbox memory\n"); | |
19058 | return 0; | |
19059 | } | |
19060 | ||
19061 | if (lpfc_sli4_dump_cfg_rg23(phba, mboxq)) | |
19062 | goto out; | |
19063 | mqe = &mboxq->u.mqe; | |
3e1f0718 | 19064 | mp = (struct lpfc_dmabuf *)mboxq->ctx_buf; |
026abb87 JS |
19065 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); |
19066 | if (rc) | |
19067 | goto out; | |
19068 | data_length = mqe->un.mb_words[5]; | |
19069 | if (data_length == 0) | |
19070 | goto out; | |
19071 | if (data_length > DMP_RGN23_SIZE) { | |
19072 | data_length = 0; | |
19073 | goto out; | |
19074 | } | |
19075 | lpfc_sli_pcimem_bcopy((char *)mp->virt, rgn23_data, data_length); | |
19076 | out: | |
19077 | mempool_free(mboxq, phba->mbox_mem_pool); | |
19078 | if (mp) { | |
19079 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
19080 | kfree(mp); | |
19081 | } | |
19082 | return data_length; | |
19083 | } | |
19084 | ||
19085 | /** | |
19086 | * lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled. | |
19087 | * @phba: pointer to lpfc hba data structure. | |
19088 | * | |
19089 | * This function read region 23 and parse TLV for port status to | |
19090 | * decide if the user disaled the port. If the TLV indicates the | |
19091 | * port is disabled, the hba_flag is set accordingly. | |
19092 | **/ | |
19093 | void | |
19094 | lpfc_sli_read_link_ste(struct lpfc_hba *phba) | |
19095 | { | |
19096 | uint8_t *rgn23_data = NULL; | |
19097 | uint32_t if_type, data_size, sub_tlv_len, tlv_offset; | |
19098 | uint32_t offset = 0; | |
19099 | ||
19100 | /* Get adapter Region 23 data */ | |
19101 | rgn23_data = kzalloc(DMP_RGN23_SIZE, GFP_KERNEL); | |
19102 | if (!rgn23_data) | |
19103 | goto out; | |
19104 | ||
19105 | if (phba->sli_rev < LPFC_SLI_REV4) | |
19106 | data_size = lpfc_sli_get_config_region23(phba, rgn23_data); | |
19107 | else { | |
19108 | if_type = bf_get(lpfc_sli_intf_if_type, | |
19109 | &phba->sli4_hba.sli_intf); | |
19110 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) | |
19111 | goto out; | |
19112 | data_size = lpfc_sli4_get_config_region23(phba, rgn23_data); | |
19113 | } | |
a0c87cbd JS |
19114 | |
19115 | if (!data_size) | |
19116 | goto out; | |
19117 | ||
19118 | /* Check the region signature first */ | |
19119 | if (memcmp(&rgn23_data[offset], LPFC_REGION23_SIGNATURE, 4)) { | |
19120 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
19121 | "2619 Config region 23 has bad signature\n"); | |
19122 | goto out; | |
19123 | } | |
19124 | offset += 4; | |
19125 | ||
19126 | /* Check the data structure version */ | |
19127 | if (rgn23_data[offset] != LPFC_REGION23_VERSION) { | |
19128 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
19129 | "2620 Config region 23 has bad version\n"); | |
19130 | goto out; | |
19131 | } | |
19132 | offset += 4; | |
19133 | ||
19134 | /* Parse TLV entries in the region */ | |
19135 | while (offset < data_size) { | |
19136 | if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) | |
19137 | break; | |
19138 | /* | |
19139 | * If the TLV is not driver specific TLV or driver id is | |
19140 | * not linux driver id, skip the record. | |
19141 | */ | |
19142 | if ((rgn23_data[offset] != DRIVER_SPECIFIC_TYPE) || | |
19143 | (rgn23_data[offset + 2] != LINUX_DRIVER_ID) || | |
19144 | (rgn23_data[offset + 3] != 0)) { | |
19145 | offset += rgn23_data[offset + 1] * 4 + 4; | |
19146 | continue; | |
19147 | } | |
19148 | ||
19149 | /* Driver found a driver specific TLV in the config region */ | |
19150 | sub_tlv_len = rgn23_data[offset + 1] * 4; | |
19151 | offset += 4; | |
19152 | tlv_offset = 0; | |
19153 | ||
19154 | /* | |
19155 | * Search for configured port state sub-TLV. | |
19156 | */ | |
19157 | while ((offset < data_size) && | |
19158 | (tlv_offset < sub_tlv_len)) { | |
19159 | if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) { | |
19160 | offset += 4; | |
19161 | tlv_offset += 4; | |
19162 | break; | |
19163 | } | |
19164 | if (rgn23_data[offset] != PORT_STE_TYPE) { | |
19165 | offset += rgn23_data[offset + 1] * 4 + 4; | |
19166 | tlv_offset += rgn23_data[offset + 1] * 4 + 4; | |
19167 | continue; | |
19168 | } | |
19169 | ||
19170 | /* This HBA contains PORT_STE configured */ | |
19171 | if (!rgn23_data[offset + 2]) | |
19172 | phba->hba_flag |= LINK_DISABLED; | |
19173 | ||
19174 | goto out; | |
19175 | } | |
19176 | } | |
026abb87 | 19177 | |
a0c87cbd | 19178 | out: |
a0c87cbd JS |
19179 | kfree(rgn23_data); |
19180 | return; | |
19181 | } | |
695a814e | 19182 | |
52d52440 JS |
19183 | /** |
19184 | * lpfc_wr_object - write an object to the firmware | |
19185 | * @phba: HBA structure that indicates port to create a queue on. | |
19186 | * @dmabuf_list: list of dmabufs to write to the port. | |
19187 | * @size: the total byte value of the objects to write to the port. | |
19188 | * @offset: the current offset to be used to start the transfer. | |
19189 | * | |
19190 | * This routine will create a wr_object mailbox command to send to the port. | |
19191 | * the mailbox command will be constructed using the dma buffers described in | |
19192 | * @dmabuf_list to create a list of BDEs. This routine will fill in as many | |
19193 | * BDEs that the imbedded mailbox can support. The @offset variable will be | |
19194 | * used to indicate the starting offset of the transfer and will also return | |
19195 | * the offset after the write object mailbox has completed. @size is used to | |
19196 | * determine the end of the object and whether the eof bit should be set. | |
19197 | * | |
19198 | * Return 0 is successful and offset will contain the the new offset to use | |
19199 | * for the next write. | |
19200 | * Return negative value for error cases. | |
19201 | **/ | |
19202 | int | |
19203 | lpfc_wr_object(struct lpfc_hba *phba, struct list_head *dmabuf_list, | |
19204 | uint32_t size, uint32_t *offset) | |
19205 | { | |
19206 | struct lpfc_mbx_wr_object *wr_object; | |
19207 | LPFC_MBOXQ_t *mbox; | |
19208 | int rc = 0, i = 0; | |
5021267a | 19209 | uint32_t shdr_status, shdr_add_status, shdr_change_status; |
52d52440 | 19210 | uint32_t mbox_tmo; |
52d52440 JS |
19211 | struct lpfc_dmabuf *dmabuf; |
19212 | uint32_t written = 0; | |
5021267a | 19213 | bool check_change_status = false; |
52d52440 JS |
19214 | |
19215 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
19216 | if (!mbox) | |
19217 | return -ENOMEM; | |
19218 | ||
19219 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
19220 | LPFC_MBOX_OPCODE_WRITE_OBJECT, | |
19221 | sizeof(struct lpfc_mbx_wr_object) - | |
19222 | sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED); | |
19223 | ||
19224 | wr_object = (struct lpfc_mbx_wr_object *)&mbox->u.mqe.un.wr_object; | |
19225 | wr_object->u.request.write_offset = *offset; | |
19226 | sprintf((uint8_t *)wr_object->u.request.object_name, "/"); | |
19227 | wr_object->u.request.object_name[0] = | |
19228 | cpu_to_le32(wr_object->u.request.object_name[0]); | |
19229 | bf_set(lpfc_wr_object_eof, &wr_object->u.request, 0); | |
19230 | list_for_each_entry(dmabuf, dmabuf_list, list) { | |
19231 | if (i >= LPFC_MBX_WR_CONFIG_MAX_BDE || written >= size) | |
19232 | break; | |
19233 | wr_object->u.request.bde[i].addrLow = putPaddrLow(dmabuf->phys); | |
19234 | wr_object->u.request.bde[i].addrHigh = | |
19235 | putPaddrHigh(dmabuf->phys); | |
19236 | if (written + SLI4_PAGE_SIZE >= size) { | |
19237 | wr_object->u.request.bde[i].tus.f.bdeSize = | |
19238 | (size - written); | |
19239 | written += (size - written); | |
19240 | bf_set(lpfc_wr_object_eof, &wr_object->u.request, 1); | |
5021267a JS |
19241 | bf_set(lpfc_wr_object_eas, &wr_object->u.request, 1); |
19242 | check_change_status = true; | |
52d52440 JS |
19243 | } else { |
19244 | wr_object->u.request.bde[i].tus.f.bdeSize = | |
19245 | SLI4_PAGE_SIZE; | |
19246 | written += SLI4_PAGE_SIZE; | |
19247 | } | |
19248 | i++; | |
19249 | } | |
19250 | wr_object->u.request.bde_count = i; | |
19251 | bf_set(lpfc_wr_object_write_length, &wr_object->u.request, written); | |
19252 | if (!phba->sli4_hba.intr_enable) | |
19253 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
19254 | else { | |
a183a15f | 19255 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
52d52440 JS |
19256 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
19257 | } | |
19258 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
5021267a JS |
19259 | shdr_status = bf_get(lpfc_mbox_hdr_status, |
19260 | &wr_object->header.cfg_shdr.response); | |
19261 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
19262 | &wr_object->header.cfg_shdr.response); | |
19263 | if (check_change_status) { | |
19264 | shdr_change_status = bf_get(lpfc_wr_object_change_status, | |
19265 | &wr_object->u.response); | |
19266 | switch (shdr_change_status) { | |
19267 | case (LPFC_CHANGE_STATUS_PHYS_DEV_RESET): | |
19268 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
19269 | "3198 Firmware write complete: System " | |
19270 | "reboot required to instantiate\n"); | |
19271 | break; | |
19272 | case (LPFC_CHANGE_STATUS_FW_RESET): | |
19273 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
19274 | "3199 Firmware write complete: Firmware" | |
19275 | " reset required to instantiate\n"); | |
19276 | break; | |
19277 | case (LPFC_CHANGE_STATUS_PORT_MIGRATION): | |
19278 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
19279 | "3200 Firmware write complete: Port " | |
19280 | "Migration or PCI Reset required to " | |
19281 | "instantiate\n"); | |
19282 | break; | |
19283 | case (LPFC_CHANGE_STATUS_PCI_RESET): | |
19284 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
19285 | "3201 Firmware write complete: PCI " | |
19286 | "Reset required to instantiate\n"); | |
19287 | break; | |
19288 | default: | |
19289 | break; | |
19290 | } | |
19291 | } | |
52d52440 JS |
19292 | if (rc != MBX_TIMEOUT) |
19293 | mempool_free(mbox, phba->mbox_mem_pool); | |
19294 | if (shdr_status || shdr_add_status || rc) { | |
19295 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
19296 | "3025 Write Object mailbox failed with " | |
19297 | "status x%x add_status x%x, mbx status x%x\n", | |
19298 | shdr_status, shdr_add_status, rc); | |
19299 | rc = -ENXIO; | |
1feb8204 | 19300 | *offset = shdr_add_status; |
52d52440 JS |
19301 | } else |
19302 | *offset += wr_object->u.response.actual_write_length; | |
19303 | return rc; | |
19304 | } | |
19305 | ||
695a814e JS |
19306 | /** |
19307 | * lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands. | |
19308 | * @vport: pointer to vport data structure. | |
19309 | * | |
19310 | * This function iterate through the mailboxq and clean up all REG_LOGIN | |
19311 | * and REG_VPI mailbox commands associated with the vport. This function | |
19312 | * is called when driver want to restart discovery of the vport due to | |
19313 | * a Clear Virtual Link event. | |
19314 | **/ | |
19315 | void | |
19316 | lpfc_cleanup_pending_mbox(struct lpfc_vport *vport) | |
19317 | { | |
19318 | struct lpfc_hba *phba = vport->phba; | |
19319 | LPFC_MBOXQ_t *mb, *nextmb; | |
19320 | struct lpfc_dmabuf *mp; | |
78730cfe | 19321 | struct lpfc_nodelist *ndlp; |
d439d286 | 19322 | struct lpfc_nodelist *act_mbx_ndlp = NULL; |
589a52d6 | 19323 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
d439d286 | 19324 | LIST_HEAD(mbox_cmd_list); |
63e801ce | 19325 | uint8_t restart_loop; |
695a814e | 19326 | |
d439d286 | 19327 | /* Clean up internally queued mailbox commands with the vport */ |
695a814e JS |
19328 | spin_lock_irq(&phba->hbalock); |
19329 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { | |
19330 | if (mb->vport != vport) | |
19331 | continue; | |
19332 | ||
19333 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) && | |
19334 | (mb->u.mb.mbxCommand != MBX_REG_VPI)) | |
19335 | continue; | |
19336 | ||
d439d286 JS |
19337 | list_del(&mb->list); |
19338 | list_add_tail(&mb->list, &mbox_cmd_list); | |
19339 | } | |
19340 | /* Clean up active mailbox command with the vport */ | |
19341 | mb = phba->sli.mbox_active; | |
19342 | if (mb && (mb->vport == vport)) { | |
19343 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) || | |
19344 | (mb->u.mb.mbxCommand == MBX_REG_VPI)) | |
19345 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
19346 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { | |
3e1f0718 | 19347 | act_mbx_ndlp = (struct lpfc_nodelist *)mb->ctx_ndlp; |
d439d286 JS |
19348 | /* Put reference count for delayed processing */ |
19349 | act_mbx_ndlp = lpfc_nlp_get(act_mbx_ndlp); | |
19350 | /* Unregister the RPI when mailbox complete */ | |
19351 | mb->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
19352 | } | |
19353 | } | |
63e801ce JS |
19354 | /* Cleanup any mailbox completions which are not yet processed */ |
19355 | do { | |
19356 | restart_loop = 0; | |
19357 | list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) { | |
19358 | /* | |
19359 | * If this mailox is already processed or it is | |
19360 | * for another vport ignore it. | |
19361 | */ | |
19362 | if ((mb->vport != vport) || | |
19363 | (mb->mbox_flag & LPFC_MBX_IMED_UNREG)) | |
19364 | continue; | |
19365 | ||
19366 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) && | |
19367 | (mb->u.mb.mbxCommand != MBX_REG_VPI)) | |
19368 | continue; | |
19369 | ||
19370 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
19371 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { | |
3e1f0718 | 19372 | ndlp = (struct lpfc_nodelist *)mb->ctx_ndlp; |
63e801ce JS |
19373 | /* Unregister the RPI when mailbox complete */ |
19374 | mb->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
19375 | restart_loop = 1; | |
19376 | spin_unlock_irq(&phba->hbalock); | |
19377 | spin_lock(shost->host_lock); | |
19378 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
19379 | spin_unlock(shost->host_lock); | |
19380 | spin_lock_irq(&phba->hbalock); | |
19381 | break; | |
19382 | } | |
19383 | } | |
19384 | } while (restart_loop); | |
19385 | ||
d439d286 JS |
19386 | spin_unlock_irq(&phba->hbalock); |
19387 | ||
19388 | /* Release the cleaned-up mailbox commands */ | |
19389 | while (!list_empty(&mbox_cmd_list)) { | |
19390 | list_remove_head(&mbox_cmd_list, mb, LPFC_MBOXQ_t, list); | |
695a814e | 19391 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { |
3e1f0718 | 19392 | mp = (struct lpfc_dmabuf *)(mb->ctx_buf); |
695a814e JS |
19393 | if (mp) { |
19394 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
19395 | kfree(mp); | |
19396 | } | |
3e1f0718 JS |
19397 | mb->ctx_buf = NULL; |
19398 | ndlp = (struct lpfc_nodelist *)mb->ctx_ndlp; | |
19399 | mb->ctx_ndlp = NULL; | |
78730cfe | 19400 | if (ndlp) { |
ec21b3b0 | 19401 | spin_lock(shost->host_lock); |
589a52d6 | 19402 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; |
ec21b3b0 | 19403 | spin_unlock(shost->host_lock); |
78730cfe | 19404 | lpfc_nlp_put(ndlp); |
78730cfe | 19405 | } |
695a814e | 19406 | } |
695a814e JS |
19407 | mempool_free(mb, phba->mbox_mem_pool); |
19408 | } | |
d439d286 JS |
19409 | |
19410 | /* Release the ndlp with the cleaned-up active mailbox command */ | |
19411 | if (act_mbx_ndlp) { | |
19412 | spin_lock(shost->host_lock); | |
19413 | act_mbx_ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
19414 | spin_unlock(shost->host_lock); | |
19415 | lpfc_nlp_put(act_mbx_ndlp); | |
695a814e | 19416 | } |
695a814e JS |
19417 | } |
19418 | ||
2a9bf3d0 JS |
19419 | /** |
19420 | * lpfc_drain_txq - Drain the txq | |
19421 | * @phba: Pointer to HBA context object. | |
19422 | * | |
19423 | * This function attempt to submit IOCBs on the txq | |
19424 | * to the adapter. For SLI4 adapters, the txq contains | |
19425 | * ELS IOCBs that have been deferred because the there | |
19426 | * are no SGLs. This congestion can occur with large | |
19427 | * vport counts during node discovery. | |
19428 | **/ | |
19429 | ||
19430 | uint32_t | |
19431 | lpfc_drain_txq(struct lpfc_hba *phba) | |
19432 | { | |
19433 | LIST_HEAD(completions); | |
895427bd | 19434 | struct lpfc_sli_ring *pring; |
2e706377 | 19435 | struct lpfc_iocbq *piocbq = NULL; |
2a9bf3d0 JS |
19436 | unsigned long iflags = 0; |
19437 | char *fail_msg = NULL; | |
19438 | struct lpfc_sglq *sglq; | |
205e8240 | 19439 | union lpfc_wqe128 wqe; |
a2fc4aef | 19440 | uint32_t txq_cnt = 0; |
dc19e3b4 | 19441 | struct lpfc_queue *wq; |
2a9bf3d0 | 19442 | |
dc19e3b4 JS |
19443 | if (phba->link_flag & LS_MDS_LOOPBACK) { |
19444 | /* MDS WQE are posted only to first WQ*/ | |
cdb42bec | 19445 | wq = phba->sli4_hba.hdwq[0].fcp_wq; |
dc19e3b4 JS |
19446 | if (unlikely(!wq)) |
19447 | return 0; | |
19448 | pring = wq->pring; | |
19449 | } else { | |
19450 | wq = phba->sli4_hba.els_wq; | |
19451 | if (unlikely(!wq)) | |
19452 | return 0; | |
19453 | pring = lpfc_phba_elsring(phba); | |
19454 | } | |
19455 | ||
19456 | if (unlikely(!pring) || list_empty(&pring->txq)) | |
1234a6d5 | 19457 | return 0; |
895427bd | 19458 | |
398d81c9 | 19459 | spin_lock_irqsave(&pring->ring_lock, iflags); |
0e9bb8d7 JS |
19460 | list_for_each_entry(piocbq, &pring->txq, list) { |
19461 | txq_cnt++; | |
19462 | } | |
19463 | ||
19464 | if (txq_cnt > pring->txq_max) | |
19465 | pring->txq_max = txq_cnt; | |
2a9bf3d0 | 19466 | |
398d81c9 | 19467 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 | 19468 | |
0e9bb8d7 | 19469 | while (!list_empty(&pring->txq)) { |
398d81c9 | 19470 | spin_lock_irqsave(&pring->ring_lock, iflags); |
2a9bf3d0 | 19471 | |
19ca7609 | 19472 | piocbq = lpfc_sli_ringtx_get(phba, pring); |
a629852a | 19473 | if (!piocbq) { |
398d81c9 | 19474 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
a629852a JS |
19475 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
19476 | "2823 txq empty and txq_cnt is %d\n ", | |
0e9bb8d7 | 19477 | txq_cnt); |
a629852a JS |
19478 | break; |
19479 | } | |
895427bd | 19480 | sglq = __lpfc_sli_get_els_sglq(phba, piocbq); |
2a9bf3d0 | 19481 | if (!sglq) { |
19ca7609 | 19482 | __lpfc_sli_ringtx_put(phba, pring, piocbq); |
398d81c9 | 19483 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 | 19484 | break; |
2a9bf3d0 | 19485 | } |
0e9bb8d7 | 19486 | txq_cnt--; |
2a9bf3d0 JS |
19487 | |
19488 | /* The xri and iocb resources secured, | |
19489 | * attempt to issue request | |
19490 | */ | |
6d368e53 | 19491 | piocbq->sli4_lxritag = sglq->sli4_lxritag; |
2a9bf3d0 JS |
19492 | piocbq->sli4_xritag = sglq->sli4_xritag; |
19493 | if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocbq, sglq)) | |
19494 | fail_msg = "to convert bpl to sgl"; | |
205e8240 | 19495 | else if (lpfc_sli4_iocb2wqe(phba, piocbq, &wqe)) |
2a9bf3d0 | 19496 | fail_msg = "to convert iocb to wqe"; |
dc19e3b4 | 19497 | else if (lpfc_sli4_wq_put(wq, &wqe)) |
2a9bf3d0 JS |
19498 | fail_msg = " - Wq is full"; |
19499 | else | |
19500 | lpfc_sli_ringtxcmpl_put(phba, pring, piocbq); | |
19501 | ||
19502 | if (fail_msg) { | |
19503 | /* Failed means we can't issue and need to cancel */ | |
19504 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
19505 | "2822 IOCB failed %s iotag 0x%x " | |
19506 | "xri 0x%x\n", | |
19507 | fail_msg, | |
19508 | piocbq->iotag, piocbq->sli4_xritag); | |
19509 | list_add_tail(&piocbq->list, &completions); | |
19510 | } | |
398d81c9 | 19511 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 JS |
19512 | } |
19513 | ||
2a9bf3d0 JS |
19514 | /* Cancel all the IOCBs that cannot be issued */ |
19515 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
19516 | IOERR_SLI_ABORTED); | |
19517 | ||
0e9bb8d7 | 19518 | return txq_cnt; |
2a9bf3d0 | 19519 | } |
895427bd JS |
19520 | |
19521 | /** | |
19522 | * lpfc_wqe_bpl2sgl - Convert the bpl/bde to a sgl. | |
19523 | * @phba: Pointer to HBA context object. | |
19524 | * @pwqe: Pointer to command WQE. | |
19525 | * @sglq: Pointer to the scatter gather queue object. | |
19526 | * | |
19527 | * This routine converts the bpl or bde that is in the WQE | |
19528 | * to a sgl list for the sli4 hardware. The physical address | |
19529 | * of the bpl/bde is converted back to a virtual address. | |
19530 | * If the WQE contains a BPL then the list of BDE's is | |
19531 | * converted to sli4_sge's. If the WQE contains a single | |
19532 | * BDE then it is converted to a single sli_sge. | |
19533 | * The WQE is still in cpu endianness so the contents of | |
19534 | * the bpl can be used without byte swapping. | |
19535 | * | |
19536 | * Returns valid XRI = Success, NO_XRI = Failure. | |
19537 | */ | |
19538 | static uint16_t | |
19539 | lpfc_wqe_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeq, | |
19540 | struct lpfc_sglq *sglq) | |
19541 | { | |
19542 | uint16_t xritag = NO_XRI; | |
19543 | struct ulp_bde64 *bpl = NULL; | |
19544 | struct ulp_bde64 bde; | |
19545 | struct sli4_sge *sgl = NULL; | |
19546 | struct lpfc_dmabuf *dmabuf; | |
205e8240 | 19547 | union lpfc_wqe128 *wqe; |
895427bd JS |
19548 | int numBdes = 0; |
19549 | int i = 0; | |
19550 | uint32_t offset = 0; /* accumulated offset in the sg request list */ | |
19551 | int inbound = 0; /* number of sg reply entries inbound from firmware */ | |
19552 | uint32_t cmd; | |
19553 | ||
19554 | if (!pwqeq || !sglq) | |
19555 | return xritag; | |
19556 | ||
19557 | sgl = (struct sli4_sge *)sglq->sgl; | |
19558 | wqe = &pwqeq->wqe; | |
19559 | pwqeq->iocb.ulpIoTag = pwqeq->iotag; | |
19560 | ||
19561 | cmd = bf_get(wqe_cmnd, &wqe->generic.wqe_com); | |
19562 | if (cmd == CMD_XMIT_BLS_RSP64_WQE) | |
19563 | return sglq->sli4_xritag; | |
19564 | numBdes = pwqeq->rsvd2; | |
19565 | if (numBdes) { | |
19566 | /* The addrHigh and addrLow fields within the WQE | |
19567 | * have not been byteswapped yet so there is no | |
19568 | * need to swap them back. | |
19569 | */ | |
19570 | if (pwqeq->context3) | |
19571 | dmabuf = (struct lpfc_dmabuf *)pwqeq->context3; | |
19572 | else | |
19573 | return xritag; | |
19574 | ||
19575 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
19576 | if (!bpl) | |
19577 | return xritag; | |
19578 | ||
19579 | for (i = 0; i < numBdes; i++) { | |
19580 | /* Should already be byte swapped. */ | |
19581 | sgl->addr_hi = bpl->addrHigh; | |
19582 | sgl->addr_lo = bpl->addrLow; | |
19583 | ||
19584 | sgl->word2 = le32_to_cpu(sgl->word2); | |
19585 | if ((i+1) == numBdes) | |
19586 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
19587 | else | |
19588 | bf_set(lpfc_sli4_sge_last, sgl, 0); | |
19589 | /* swap the size field back to the cpu so we | |
19590 | * can assign it to the sgl. | |
19591 | */ | |
19592 | bde.tus.w = le32_to_cpu(bpl->tus.w); | |
19593 | sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize); | |
19594 | /* The offsets in the sgl need to be accumulated | |
19595 | * separately for the request and reply lists. | |
19596 | * The request is always first, the reply follows. | |
19597 | */ | |
19598 | switch (cmd) { | |
19599 | case CMD_GEN_REQUEST64_WQE: | |
19600 | /* add up the reply sg entries */ | |
19601 | if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I) | |
19602 | inbound++; | |
19603 | /* first inbound? reset the offset */ | |
19604 | if (inbound == 1) | |
19605 | offset = 0; | |
19606 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
19607 | bf_set(lpfc_sli4_sge_type, sgl, | |
19608 | LPFC_SGE_TYPE_DATA); | |
19609 | offset += bde.tus.f.bdeSize; | |
19610 | break; | |
19611 | case CMD_FCP_TRSP64_WQE: | |
19612 | bf_set(lpfc_sli4_sge_offset, sgl, 0); | |
19613 | bf_set(lpfc_sli4_sge_type, sgl, | |
19614 | LPFC_SGE_TYPE_DATA); | |
19615 | break; | |
19616 | case CMD_FCP_TSEND64_WQE: | |
19617 | case CMD_FCP_TRECEIVE64_WQE: | |
19618 | bf_set(lpfc_sli4_sge_type, sgl, | |
19619 | bpl->tus.f.bdeFlags); | |
19620 | if (i < 3) | |
19621 | offset = 0; | |
19622 | else | |
19623 | offset += bde.tus.f.bdeSize; | |
19624 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
19625 | break; | |
19626 | } | |
19627 | sgl->word2 = cpu_to_le32(sgl->word2); | |
19628 | bpl++; | |
19629 | sgl++; | |
19630 | } | |
19631 | } else if (wqe->gen_req.bde.tus.f.bdeFlags == BUFF_TYPE_BDE_64) { | |
19632 | /* The addrHigh and addrLow fields of the BDE have not | |
19633 | * been byteswapped yet so they need to be swapped | |
19634 | * before putting them in the sgl. | |
19635 | */ | |
19636 | sgl->addr_hi = cpu_to_le32(wqe->gen_req.bde.addrHigh); | |
19637 | sgl->addr_lo = cpu_to_le32(wqe->gen_req.bde.addrLow); | |
19638 | sgl->word2 = le32_to_cpu(sgl->word2); | |
19639 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
19640 | sgl->word2 = cpu_to_le32(sgl->word2); | |
19641 | sgl->sge_len = cpu_to_le32(wqe->gen_req.bde.tus.f.bdeSize); | |
19642 | } | |
19643 | return sglq->sli4_xritag; | |
19644 | } | |
19645 | ||
19646 | /** | |
19647 | * lpfc_sli4_issue_wqe - Issue an SLI4 Work Queue Entry (WQE) | |
19648 | * @phba: Pointer to HBA context object. | |
19649 | * @ring_number: Base sli ring number | |
19650 | * @pwqe: Pointer to command WQE. | |
19651 | **/ | |
19652 | int | |
1fbf9742 | 19653 | lpfc_sli4_issue_wqe(struct lpfc_hba *phba, struct lpfc_sli4_hdw_queue *qp, |
895427bd JS |
19654 | struct lpfc_iocbq *pwqe) |
19655 | { | |
205e8240 | 19656 | union lpfc_wqe128 *wqe = &pwqe->wqe; |
f358dd0c | 19657 | struct lpfc_nvmet_rcv_ctx *ctxp; |
895427bd JS |
19658 | struct lpfc_queue *wq; |
19659 | struct lpfc_sglq *sglq; | |
19660 | struct lpfc_sli_ring *pring; | |
19661 | unsigned long iflags; | |
cd22d605 | 19662 | uint32_t ret = 0; |
895427bd JS |
19663 | |
19664 | /* NVME_LS and NVME_LS ABTS requests. */ | |
19665 | if (pwqe->iocb_flag & LPFC_IO_NVME_LS) { | |
19666 | pring = phba->sli4_hba.nvmels_wq->pring; | |
19667 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
19668 | sglq = __lpfc_sli_get_els_sglq(phba, pwqe); | |
19669 | if (!sglq) { | |
19670 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
19671 | return WQE_BUSY; | |
19672 | } | |
19673 | pwqe->sli4_lxritag = sglq->sli4_lxritag; | |
19674 | pwqe->sli4_xritag = sglq->sli4_xritag; | |
19675 | if (lpfc_wqe_bpl2sgl(phba, pwqe, sglq) == NO_XRI) { | |
19676 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
19677 | return WQE_ERROR; | |
19678 | } | |
19679 | bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com, | |
19680 | pwqe->sli4_xritag); | |
cd22d605 DK |
19681 | ret = lpfc_sli4_wq_put(phba->sli4_hba.nvmels_wq, wqe); |
19682 | if (ret) { | |
895427bd | 19683 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
cd22d605 | 19684 | return ret; |
895427bd | 19685 | } |
cd22d605 | 19686 | |
895427bd JS |
19687 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); |
19688 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
19689 | return 0; | |
19690 | } | |
19691 | ||
19692 | /* NVME_FCREQ and NVME_ABTS requests */ | |
19693 | if (pwqe->iocb_flag & LPFC_IO_NVME) { | |
19694 | /* Get the IO distribution (hba_wqidx) for WQ assignment. */ | |
1fbf9742 JS |
19695 | wq = qp->nvme_wq; |
19696 | pring = wq->pring; | |
19697 | ||
19698 | bf_set(wqe_cqid, &wqe->generic.wqe_com, qp->nvme_cq_map); | |
895427bd JS |
19699 | |
19700 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
cd22d605 DK |
19701 | ret = lpfc_sli4_wq_put(wq, wqe); |
19702 | if (ret) { | |
895427bd | 19703 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
cd22d605 | 19704 | return ret; |
895427bd JS |
19705 | } |
19706 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); | |
19707 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
19708 | return 0; | |
19709 | } | |
19710 | ||
f358dd0c JS |
19711 | /* NVMET requests */ |
19712 | if (pwqe->iocb_flag & LPFC_IO_NVMET) { | |
19713 | /* Get the IO distribution (hba_wqidx) for WQ assignment. */ | |
1fbf9742 JS |
19714 | wq = qp->nvme_wq; |
19715 | pring = wq->pring; | |
f358dd0c | 19716 | |
f358dd0c | 19717 | ctxp = pwqe->context2; |
6c621a22 | 19718 | sglq = ctxp->ctxbuf->sglq; |
f358dd0c JS |
19719 | if (pwqe->sli4_xritag == NO_XRI) { |
19720 | pwqe->sli4_lxritag = sglq->sli4_lxritag; | |
19721 | pwqe->sli4_xritag = sglq->sli4_xritag; | |
19722 | } | |
19723 | bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com, | |
19724 | pwqe->sli4_xritag); | |
1fbf9742 JS |
19725 | bf_set(wqe_cqid, &wqe->generic.wqe_com, qp->nvme_cq_map); |
19726 | ||
19727 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
cd22d605 DK |
19728 | ret = lpfc_sli4_wq_put(wq, wqe); |
19729 | if (ret) { | |
f358dd0c | 19730 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
cd22d605 | 19731 | return ret; |
f358dd0c JS |
19732 | } |
19733 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); | |
19734 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
19735 | return 0; | |
19736 | } | |
895427bd JS |
19737 | return WQE_ERROR; |
19738 | } | |
c490850a JS |
19739 | |
19740 | #ifdef LPFC_MXP_STAT | |
19741 | /** | |
19742 | * lpfc_snapshot_mxp - Snapshot pbl, pvt and busy count | |
19743 | * @phba: pointer to lpfc hba data structure. | |
19744 | * @hwqid: belong to which HWQ. | |
19745 | * | |
19746 | * The purpose of this routine is to take a snapshot of pbl, pvt and busy count | |
19747 | * 15 seconds after a test case is running. | |
19748 | * | |
19749 | * The user should call lpfc_debugfs_multixripools_write before running a test | |
19750 | * case to clear stat_snapshot_taken. Then the user starts a test case. During | |
19751 | * test case is running, stat_snapshot_taken is incremented by 1 every time when | |
19752 | * this routine is called from heartbeat timer. When stat_snapshot_taken is | |
19753 | * equal to LPFC_MXP_SNAPSHOT_TAKEN, a snapshot is taken. | |
19754 | **/ | |
19755 | void lpfc_snapshot_mxp(struct lpfc_hba *phba, u32 hwqid) | |
19756 | { | |
19757 | struct lpfc_sli4_hdw_queue *qp; | |
19758 | struct lpfc_multixri_pool *multixri_pool; | |
19759 | struct lpfc_pvt_pool *pvt_pool; | |
19760 | struct lpfc_pbl_pool *pbl_pool; | |
19761 | u32 txcmplq_cnt; | |
19762 | ||
19763 | qp = &phba->sli4_hba.hdwq[hwqid]; | |
19764 | multixri_pool = qp->p_multixri_pool; | |
19765 | if (!multixri_pool) | |
19766 | return; | |
19767 | ||
19768 | if (multixri_pool->stat_snapshot_taken == LPFC_MXP_SNAPSHOT_TAKEN) { | |
19769 | pvt_pool = &qp->p_multixri_pool->pvt_pool; | |
19770 | pbl_pool = &qp->p_multixri_pool->pbl_pool; | |
19771 | txcmplq_cnt = qp->fcp_wq->pring->txcmplq_cnt; | |
19772 | if (qp->nvme_wq) | |
19773 | txcmplq_cnt += qp->nvme_wq->pring->txcmplq_cnt; | |
19774 | ||
19775 | multixri_pool->stat_pbl_count = pbl_pool->count; | |
19776 | multixri_pool->stat_pvt_count = pvt_pool->count; | |
19777 | multixri_pool->stat_busy_count = txcmplq_cnt; | |
19778 | } | |
19779 | ||
19780 | multixri_pool->stat_snapshot_taken++; | |
19781 | } | |
19782 | #endif | |
19783 | ||
19784 | /** | |
19785 | * lpfc_adjust_pvt_pool_count - Adjust private pool count | |
19786 | * @phba: pointer to lpfc hba data structure. | |
19787 | * @hwqid: belong to which HWQ. | |
19788 | * | |
19789 | * This routine moves some XRIs from private to public pool when private pool | |
19790 | * is not busy. | |
19791 | **/ | |
19792 | void lpfc_adjust_pvt_pool_count(struct lpfc_hba *phba, u32 hwqid) | |
19793 | { | |
19794 | struct lpfc_multixri_pool *multixri_pool; | |
19795 | u32 io_req_count; | |
19796 | u32 prev_io_req_count; | |
19797 | ||
19798 | multixri_pool = phba->sli4_hba.hdwq[hwqid].p_multixri_pool; | |
19799 | if (!multixri_pool) | |
19800 | return; | |
19801 | io_req_count = multixri_pool->io_req_count; | |
19802 | prev_io_req_count = multixri_pool->prev_io_req_count; | |
19803 | ||
19804 | if (prev_io_req_count != io_req_count) { | |
19805 | /* Private pool is busy */ | |
19806 | multixri_pool->prev_io_req_count = io_req_count; | |
19807 | } else { | |
19808 | /* Private pool is not busy. | |
19809 | * Move XRIs from private to public pool. | |
19810 | */ | |
19811 | lpfc_move_xri_pvt_to_pbl(phba, hwqid); | |
19812 | } | |
19813 | } | |
19814 | ||
19815 | /** | |
19816 | * lpfc_adjust_high_watermark - Adjust high watermark | |
19817 | * @phba: pointer to lpfc hba data structure. | |
19818 | * @hwqid: belong to which HWQ. | |
19819 | * | |
19820 | * This routine sets high watermark as number of outstanding XRIs, | |
19821 | * but make sure the new value is between xri_limit/2 and xri_limit. | |
19822 | **/ | |
19823 | void lpfc_adjust_high_watermark(struct lpfc_hba *phba, u32 hwqid) | |
19824 | { | |
19825 | u32 new_watermark; | |
19826 | u32 watermark_max; | |
19827 | u32 watermark_min; | |
19828 | u32 xri_limit; | |
19829 | u32 txcmplq_cnt; | |
19830 | u32 abts_io_bufs; | |
19831 | struct lpfc_multixri_pool *multixri_pool; | |
19832 | struct lpfc_sli4_hdw_queue *qp; | |
19833 | ||
19834 | qp = &phba->sli4_hba.hdwq[hwqid]; | |
19835 | multixri_pool = qp->p_multixri_pool; | |
19836 | if (!multixri_pool) | |
19837 | return; | |
19838 | xri_limit = multixri_pool->xri_limit; | |
19839 | ||
19840 | watermark_max = xri_limit; | |
19841 | watermark_min = xri_limit / 2; | |
19842 | ||
19843 | txcmplq_cnt = qp->fcp_wq->pring->txcmplq_cnt; | |
19844 | abts_io_bufs = qp->abts_scsi_io_bufs; | |
19845 | if (qp->nvme_wq) { | |
19846 | txcmplq_cnt += qp->nvme_wq->pring->txcmplq_cnt; | |
19847 | abts_io_bufs += qp->abts_nvme_io_bufs; | |
19848 | } | |
19849 | ||
19850 | new_watermark = txcmplq_cnt + abts_io_bufs; | |
19851 | new_watermark = min(watermark_max, new_watermark); | |
19852 | new_watermark = max(watermark_min, new_watermark); | |
19853 | multixri_pool->pvt_pool.high_watermark = new_watermark; | |
19854 | ||
19855 | #ifdef LPFC_MXP_STAT | |
19856 | multixri_pool->stat_max_hwm = max(multixri_pool->stat_max_hwm, | |
19857 | new_watermark); | |
19858 | #endif | |
19859 | } | |
19860 | ||
19861 | /** | |
19862 | * lpfc_move_xri_pvt_to_pbl - Move some XRIs from private to public pool | |
19863 | * @phba: pointer to lpfc hba data structure. | |
19864 | * @hwqid: belong to which HWQ. | |
19865 | * | |
19866 | * This routine is called from hearbeat timer when pvt_pool is idle. | |
19867 | * All free XRIs are moved from private to public pool on hwqid with 2 steps. | |
19868 | * The first step moves (all - low_watermark) amount of XRIs. | |
19869 | * The second step moves the rest of XRIs. | |
19870 | **/ | |
19871 | void lpfc_move_xri_pvt_to_pbl(struct lpfc_hba *phba, u32 hwqid) | |
19872 | { | |
19873 | struct lpfc_pbl_pool *pbl_pool; | |
19874 | struct lpfc_pvt_pool *pvt_pool; | |
19875 | struct lpfc_io_buf *lpfc_ncmd; | |
19876 | struct lpfc_io_buf *lpfc_ncmd_next; | |
19877 | unsigned long iflag; | |
19878 | struct list_head tmp_list; | |
19879 | u32 tmp_count; | |
19880 | ||
19881 | pbl_pool = &phba->sli4_hba.hdwq[hwqid].p_multixri_pool->pbl_pool; | |
19882 | pvt_pool = &phba->sli4_hba.hdwq[hwqid].p_multixri_pool->pvt_pool; | |
19883 | tmp_count = 0; | |
19884 | ||
19885 | spin_lock_irqsave(&pbl_pool->lock, iflag); | |
19886 | spin_lock(&pvt_pool->lock); | |
19887 | ||
19888 | if (pvt_pool->count > pvt_pool->low_watermark) { | |
19889 | /* Step 1: move (all - low_watermark) from pvt_pool | |
19890 | * to pbl_pool | |
19891 | */ | |
19892 | ||
19893 | /* Move low watermark of bufs from pvt_pool to tmp_list */ | |
19894 | INIT_LIST_HEAD(&tmp_list); | |
19895 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, | |
19896 | &pvt_pool->list, list) { | |
19897 | list_move_tail(&lpfc_ncmd->list, &tmp_list); | |
19898 | tmp_count++; | |
19899 | if (tmp_count >= pvt_pool->low_watermark) | |
19900 | break; | |
19901 | } | |
19902 | ||
19903 | /* Move all bufs from pvt_pool to pbl_pool */ | |
19904 | list_splice_init(&pvt_pool->list, &pbl_pool->list); | |
19905 | ||
19906 | /* Move all bufs from tmp_list to pvt_pool */ | |
19907 | list_splice(&tmp_list, &pvt_pool->list); | |
19908 | ||
19909 | pbl_pool->count += (pvt_pool->count - tmp_count); | |
19910 | pvt_pool->count = tmp_count; | |
19911 | } else { | |
19912 | /* Step 2: move the rest from pvt_pool to pbl_pool */ | |
19913 | list_splice_init(&pvt_pool->list, &pbl_pool->list); | |
19914 | pbl_pool->count += pvt_pool->count; | |
19915 | pvt_pool->count = 0; | |
19916 | } | |
19917 | ||
19918 | spin_unlock(&pvt_pool->lock); | |
19919 | spin_unlock_irqrestore(&pbl_pool->lock, iflag); | |
19920 | } | |
19921 | ||
19922 | /** | |
19923 | * _lpfc_move_xri_pbl_to_pvt - Move some XRIs from public to private pool | |
19924 | * @phba: pointer to lpfc hba data structure | |
19925 | * @pbl_pool: specified public free XRI pool | |
19926 | * @pvt_pool: specified private free XRI pool | |
19927 | * @count: number of XRIs to move | |
19928 | * | |
19929 | * This routine tries to move some free common bufs from the specified pbl_pool | |
19930 | * to the specified pvt_pool. It might move less than count XRIs if there's not | |
19931 | * enough in public pool. | |
19932 | * | |
19933 | * Return: | |
19934 | * true - if XRIs are successfully moved from the specified pbl_pool to the | |
19935 | * specified pvt_pool | |
19936 | * false - if the specified pbl_pool is empty or locked by someone else | |
19937 | **/ | |
19938 | static bool | |
19939 | _lpfc_move_xri_pbl_to_pvt(struct lpfc_hba *phba, struct lpfc_pbl_pool *pbl_pool, | |
19940 | struct lpfc_pvt_pool *pvt_pool, u32 count) | |
19941 | { | |
19942 | struct lpfc_io_buf *lpfc_ncmd; | |
19943 | struct lpfc_io_buf *lpfc_ncmd_next; | |
19944 | unsigned long iflag; | |
19945 | int ret; | |
19946 | ||
19947 | ret = spin_trylock_irqsave(&pbl_pool->lock, iflag); | |
19948 | if (ret) { | |
19949 | if (pbl_pool->count) { | |
19950 | /* Move a batch of XRIs from public to private pool */ | |
19951 | spin_lock(&pvt_pool->lock); | |
19952 | list_for_each_entry_safe(lpfc_ncmd, | |
19953 | lpfc_ncmd_next, | |
19954 | &pbl_pool->list, | |
19955 | list) { | |
19956 | list_move_tail(&lpfc_ncmd->list, | |
19957 | &pvt_pool->list); | |
19958 | pvt_pool->count++; | |
19959 | pbl_pool->count--; | |
19960 | count--; | |
19961 | if (count == 0) | |
19962 | break; | |
19963 | } | |
19964 | ||
19965 | spin_unlock(&pvt_pool->lock); | |
19966 | spin_unlock_irqrestore(&pbl_pool->lock, iflag); | |
19967 | return true; | |
19968 | } | |
19969 | spin_unlock_irqrestore(&pbl_pool->lock, iflag); | |
19970 | } | |
19971 | ||
19972 | return false; | |
19973 | } | |
19974 | ||
19975 | /** | |
19976 | * lpfc_move_xri_pbl_to_pvt - Move some XRIs from public to private pool | |
19977 | * @phba: pointer to lpfc hba data structure. | |
19978 | * @hwqid: belong to which HWQ. | |
19979 | * @count: number of XRIs to move | |
19980 | * | |
19981 | * This routine tries to find some free common bufs in one of public pools with | |
19982 | * Round Robin method. The search always starts from local hwqid, then the next | |
19983 | * HWQ which was found last time (rrb_next_hwqid). Once a public pool is found, | |
19984 | * a batch of free common bufs are moved to private pool on hwqid. | |
19985 | * It might move less than count XRIs if there's not enough in public pool. | |
19986 | **/ | |
19987 | void lpfc_move_xri_pbl_to_pvt(struct lpfc_hba *phba, u32 hwqid, u32 count) | |
19988 | { | |
19989 | struct lpfc_multixri_pool *multixri_pool; | |
19990 | struct lpfc_multixri_pool *next_multixri_pool; | |
19991 | struct lpfc_pvt_pool *pvt_pool; | |
19992 | struct lpfc_pbl_pool *pbl_pool; | |
19993 | u32 next_hwqid; | |
19994 | u32 hwq_count; | |
19995 | int ret; | |
19996 | ||
19997 | multixri_pool = phba->sli4_hba.hdwq[hwqid].p_multixri_pool; | |
19998 | pvt_pool = &multixri_pool->pvt_pool; | |
19999 | pbl_pool = &multixri_pool->pbl_pool; | |
20000 | ||
20001 | /* Check if local pbl_pool is available */ | |
20002 | ret = _lpfc_move_xri_pbl_to_pvt(phba, pbl_pool, pvt_pool, count); | |
20003 | if (ret) { | |
20004 | #ifdef LPFC_MXP_STAT | |
20005 | multixri_pool->local_pbl_hit_count++; | |
20006 | #endif | |
20007 | return; | |
20008 | } | |
20009 | ||
20010 | hwq_count = phba->cfg_hdw_queue; | |
20011 | ||
20012 | /* Get the next hwqid which was found last time */ | |
20013 | next_hwqid = multixri_pool->rrb_next_hwqid; | |
20014 | ||
20015 | do { | |
20016 | /* Go to next hwq */ | |
20017 | next_hwqid = (next_hwqid + 1) % hwq_count; | |
20018 | ||
20019 | next_multixri_pool = | |
20020 | phba->sli4_hba.hdwq[next_hwqid].p_multixri_pool; | |
20021 | pbl_pool = &next_multixri_pool->pbl_pool; | |
20022 | ||
20023 | /* Check if the public free xri pool is available */ | |
20024 | ret = _lpfc_move_xri_pbl_to_pvt( | |
20025 | phba, pbl_pool, pvt_pool, count); | |
20026 | ||
20027 | /* Exit while-loop if success or all hwqid are checked */ | |
20028 | } while (!ret && next_hwqid != multixri_pool->rrb_next_hwqid); | |
20029 | ||
20030 | /* Starting point for the next time */ | |
20031 | multixri_pool->rrb_next_hwqid = next_hwqid; | |
20032 | ||
20033 | if (!ret) { | |
20034 | /* stats: all public pools are empty*/ | |
20035 | multixri_pool->pbl_empty_count++; | |
20036 | } | |
20037 | ||
20038 | #ifdef LPFC_MXP_STAT | |
20039 | if (ret) { | |
20040 | if (next_hwqid == hwqid) | |
20041 | multixri_pool->local_pbl_hit_count++; | |
20042 | else | |
20043 | multixri_pool->other_pbl_hit_count++; | |
20044 | } | |
20045 | #endif | |
20046 | } | |
20047 | ||
20048 | /** | |
20049 | * lpfc_keep_pvt_pool_above_lowwm - Keep pvt_pool above low watermark | |
20050 | * @phba: pointer to lpfc hba data structure. | |
20051 | * @qp: belong to which HWQ. | |
20052 | * | |
20053 | * This routine get a batch of XRIs from pbl_pool if pvt_pool is less than | |
20054 | * low watermark. | |
20055 | **/ | |
20056 | void lpfc_keep_pvt_pool_above_lowwm(struct lpfc_hba *phba, u32 hwqid) | |
20057 | { | |
20058 | struct lpfc_multixri_pool *multixri_pool; | |
20059 | struct lpfc_pvt_pool *pvt_pool; | |
20060 | ||
20061 | multixri_pool = phba->sli4_hba.hdwq[hwqid].p_multixri_pool; | |
20062 | pvt_pool = &multixri_pool->pvt_pool; | |
20063 | ||
20064 | if (pvt_pool->count < pvt_pool->low_watermark) | |
20065 | lpfc_move_xri_pbl_to_pvt(phba, hwqid, XRI_BATCH); | |
20066 | } | |
20067 | ||
20068 | /** | |
20069 | * lpfc_release_io_buf - Return one IO buf back to free pool | |
20070 | * @phba: pointer to lpfc hba data structure. | |
20071 | * @lpfc_ncmd: IO buf to be returned. | |
20072 | * @qp: belong to which HWQ. | |
20073 | * | |
20074 | * This routine returns one IO buf back to free pool. If this is an urgent IO, | |
20075 | * the IO buf is returned to expedite pool. If cfg_xri_rebalancing==1, | |
20076 | * the IO buf is returned to pbl_pool or pvt_pool based on watermark and | |
20077 | * xri_limit. If cfg_xri_rebalancing==0, the IO buf is returned to | |
20078 | * lpfc_io_buf_list_put. | |
20079 | **/ | |
20080 | void lpfc_release_io_buf(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_ncmd, | |
20081 | struct lpfc_sli4_hdw_queue *qp) | |
20082 | { | |
20083 | unsigned long iflag; | |
20084 | struct lpfc_pbl_pool *pbl_pool; | |
20085 | struct lpfc_pvt_pool *pvt_pool; | |
20086 | struct lpfc_epd_pool *epd_pool; | |
20087 | u32 txcmplq_cnt; | |
20088 | u32 xri_owned; | |
20089 | u32 xri_limit; | |
20090 | u32 abts_io_bufs; | |
20091 | ||
20092 | /* MUST zero fields if buffer is reused by another protocol */ | |
20093 | lpfc_ncmd->nvmeCmd = NULL; | |
20094 | lpfc_ncmd->cur_iocbq.wqe_cmpl = NULL; | |
20095 | lpfc_ncmd->cur_iocbq.iocb_cmpl = NULL; | |
20096 | ||
20097 | if (phba->cfg_xri_rebalancing) { | |
20098 | if (lpfc_ncmd->expedite) { | |
20099 | /* Return to expedite pool */ | |
20100 | epd_pool = &phba->epd_pool; | |
20101 | spin_lock_irqsave(&epd_pool->lock, iflag); | |
20102 | list_add_tail(&lpfc_ncmd->list, &epd_pool->list); | |
20103 | epd_pool->count++; | |
20104 | spin_unlock_irqrestore(&epd_pool->lock, iflag); | |
20105 | return; | |
20106 | } | |
20107 | ||
20108 | /* Avoid invalid access if an IO sneaks in and is being rejected | |
20109 | * just _after_ xri pools are destroyed in lpfc_offline. | |
20110 | * Nothing much can be done at this point. | |
20111 | */ | |
20112 | if (!qp->p_multixri_pool) | |
20113 | return; | |
20114 | ||
20115 | pbl_pool = &qp->p_multixri_pool->pbl_pool; | |
20116 | pvt_pool = &qp->p_multixri_pool->pvt_pool; | |
20117 | ||
20118 | txcmplq_cnt = qp->fcp_wq->pring->txcmplq_cnt; | |
20119 | abts_io_bufs = qp->abts_scsi_io_bufs; | |
20120 | if (qp->nvme_wq) { | |
20121 | txcmplq_cnt += qp->nvme_wq->pring->txcmplq_cnt; | |
20122 | abts_io_bufs += qp->abts_nvme_io_bufs; | |
20123 | } | |
20124 | ||
20125 | xri_owned = pvt_pool->count + txcmplq_cnt + abts_io_bufs; | |
20126 | xri_limit = qp->p_multixri_pool->xri_limit; | |
20127 | ||
20128 | #ifdef LPFC_MXP_STAT | |
20129 | if (xri_owned <= xri_limit) | |
20130 | qp->p_multixri_pool->below_limit_count++; | |
20131 | else | |
20132 | qp->p_multixri_pool->above_limit_count++; | |
20133 | #endif | |
20134 | ||
20135 | /* XRI goes to either public or private free xri pool | |
20136 | * based on watermark and xri_limit | |
20137 | */ | |
20138 | if ((pvt_pool->count < pvt_pool->low_watermark) || | |
20139 | (xri_owned < xri_limit && | |
20140 | pvt_pool->count < pvt_pool->high_watermark)) { | |
20141 | spin_lock_irqsave(&pvt_pool->lock, iflag); | |
20142 | list_add_tail(&lpfc_ncmd->list, | |
20143 | &pvt_pool->list); | |
20144 | pvt_pool->count++; | |
20145 | spin_unlock_irqrestore(&pvt_pool->lock, iflag); | |
20146 | } else { | |
20147 | spin_lock_irqsave(&pbl_pool->lock, iflag); | |
20148 | list_add_tail(&lpfc_ncmd->list, | |
20149 | &pbl_pool->list); | |
20150 | pbl_pool->count++; | |
20151 | spin_unlock_irqrestore(&pbl_pool->lock, iflag); | |
20152 | } | |
20153 | } else { | |
20154 | spin_lock_irqsave(&qp->io_buf_list_put_lock, iflag); | |
20155 | list_add_tail(&lpfc_ncmd->list, | |
20156 | &qp->lpfc_io_buf_list_put); | |
20157 | qp->put_io_bufs++; | |
20158 | spin_unlock_irqrestore(&qp->io_buf_list_put_lock, | |
20159 | iflag); | |
20160 | } | |
20161 | } | |
20162 | ||
20163 | /** | |
20164 | * lpfc_get_io_buf_from_private_pool - Get one free IO buf from private pool | |
20165 | * @phba: pointer to lpfc hba data structure. | |
20166 | * @pvt_pool: pointer to private pool data structure. | |
20167 | * @ndlp: pointer to lpfc nodelist data structure. | |
20168 | * | |
20169 | * This routine tries to get one free IO buf from private pool. | |
20170 | * | |
20171 | * Return: | |
20172 | * pointer to one free IO buf - if private pool is not empty | |
20173 | * NULL - if private pool is empty | |
20174 | **/ | |
20175 | static struct lpfc_io_buf * | |
20176 | lpfc_get_io_buf_from_private_pool(struct lpfc_hba *phba, | |
20177 | struct lpfc_pvt_pool *pvt_pool, | |
20178 | struct lpfc_nodelist *ndlp) | |
20179 | { | |
20180 | struct lpfc_io_buf *lpfc_ncmd; | |
20181 | struct lpfc_io_buf *lpfc_ncmd_next; | |
20182 | unsigned long iflag; | |
20183 | ||
20184 | spin_lock_irqsave(&pvt_pool->lock, iflag); | |
20185 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, | |
20186 | &pvt_pool->list, list) { | |
20187 | if (lpfc_test_rrq_active( | |
20188 | phba, ndlp, lpfc_ncmd->cur_iocbq.sli4_lxritag)) | |
20189 | continue; | |
20190 | list_del(&lpfc_ncmd->list); | |
20191 | pvt_pool->count--; | |
20192 | spin_unlock_irqrestore(&pvt_pool->lock, iflag); | |
20193 | return lpfc_ncmd; | |
20194 | } | |
20195 | spin_unlock_irqrestore(&pvt_pool->lock, iflag); | |
20196 | ||
20197 | return NULL; | |
20198 | } | |
20199 | ||
20200 | /** | |
20201 | * lpfc_get_io_buf_from_expedite_pool - Get one free IO buf from expedite pool | |
20202 | * @phba: pointer to lpfc hba data structure. | |
20203 | * | |
20204 | * This routine tries to get one free IO buf from expedite pool. | |
20205 | * | |
20206 | * Return: | |
20207 | * pointer to one free IO buf - if expedite pool is not empty | |
20208 | * NULL - if expedite pool is empty | |
20209 | **/ | |
20210 | static struct lpfc_io_buf * | |
20211 | lpfc_get_io_buf_from_expedite_pool(struct lpfc_hba *phba) | |
20212 | { | |
20213 | struct lpfc_io_buf *lpfc_ncmd; | |
20214 | struct lpfc_io_buf *lpfc_ncmd_next; | |
20215 | unsigned long iflag; | |
20216 | struct lpfc_epd_pool *epd_pool; | |
20217 | ||
20218 | epd_pool = &phba->epd_pool; | |
20219 | lpfc_ncmd = NULL; | |
20220 | ||
20221 | spin_lock_irqsave(&epd_pool->lock, iflag); | |
20222 | if (epd_pool->count > 0) { | |
20223 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, | |
20224 | &epd_pool->list, list) { | |
20225 | list_del(&lpfc_ncmd->list); | |
20226 | epd_pool->count--; | |
20227 | break; | |
20228 | } | |
20229 | } | |
20230 | spin_unlock_irqrestore(&epd_pool->lock, iflag); | |
20231 | ||
20232 | return lpfc_ncmd; | |
20233 | } | |
20234 | ||
20235 | /** | |
20236 | * lpfc_get_io_buf_from_multixri_pools - Get one free IO bufs | |
20237 | * @phba: pointer to lpfc hba data structure. | |
20238 | * @ndlp: pointer to lpfc nodelist data structure. | |
20239 | * @hwqid: belong to which HWQ | |
20240 | * @expedite: 1 means this request is urgent. | |
20241 | * | |
20242 | * This routine will do the following actions and then return a pointer to | |
20243 | * one free IO buf. | |
20244 | * | |
20245 | * 1. If private free xri count is empty, move some XRIs from public to | |
20246 | * private pool. | |
20247 | * 2. Get one XRI from private free xri pool. | |
20248 | * 3. If we fail to get one from pvt_pool and this is an expedite request, | |
20249 | * get one free xri from expedite pool. | |
20250 | * | |
20251 | * Note: ndlp is only used on SCSI side for RRQ testing. | |
20252 | * The caller should pass NULL for ndlp on NVME side. | |
20253 | * | |
20254 | * Return: | |
20255 | * pointer to one free IO buf - if private pool is not empty | |
20256 | * NULL - if private pool is empty | |
20257 | **/ | |
20258 | static struct lpfc_io_buf * | |
20259 | lpfc_get_io_buf_from_multixri_pools(struct lpfc_hba *phba, | |
20260 | struct lpfc_nodelist *ndlp, | |
20261 | int hwqid, int expedite) | |
20262 | { | |
20263 | struct lpfc_sli4_hdw_queue *qp; | |
20264 | struct lpfc_multixri_pool *multixri_pool; | |
20265 | struct lpfc_pvt_pool *pvt_pool; | |
20266 | struct lpfc_io_buf *lpfc_ncmd; | |
20267 | ||
20268 | qp = &phba->sli4_hba.hdwq[hwqid]; | |
20269 | lpfc_ncmd = NULL; | |
20270 | multixri_pool = qp->p_multixri_pool; | |
20271 | pvt_pool = &multixri_pool->pvt_pool; | |
20272 | multixri_pool->io_req_count++; | |
20273 | ||
20274 | /* If pvt_pool is empty, move some XRIs from public to private pool */ | |
20275 | if (pvt_pool->count == 0) | |
20276 | lpfc_move_xri_pbl_to_pvt(phba, hwqid, XRI_BATCH); | |
20277 | ||
20278 | /* Get one XRI from private free xri pool */ | |
20279 | lpfc_ncmd = lpfc_get_io_buf_from_private_pool(phba, pvt_pool, ndlp); | |
20280 | ||
20281 | if (lpfc_ncmd) { | |
20282 | lpfc_ncmd->hdwq = qp; | |
20283 | lpfc_ncmd->hdwq_no = hwqid; | |
20284 | } else if (expedite) { | |
20285 | /* If we fail to get one from pvt_pool and this is an expedite | |
20286 | * request, get one free xri from expedite pool. | |
20287 | */ | |
20288 | lpfc_ncmd = lpfc_get_io_buf_from_expedite_pool(phba); | |
20289 | } | |
20290 | ||
20291 | return lpfc_ncmd; | |
20292 | } | |
20293 | ||
20294 | static inline struct lpfc_io_buf * | |
20295 | lpfc_io_buf(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, int idx) | |
20296 | { | |
20297 | struct lpfc_sli4_hdw_queue *qp; | |
20298 | struct lpfc_io_buf *lpfc_cmd, *lpfc_cmd_next; | |
20299 | ||
20300 | qp = &phba->sli4_hba.hdwq[idx]; | |
20301 | list_for_each_entry_safe(lpfc_cmd, lpfc_cmd_next, | |
20302 | &qp->lpfc_io_buf_list_get, list) { | |
20303 | if (lpfc_test_rrq_active(phba, ndlp, | |
20304 | lpfc_cmd->cur_iocbq.sli4_lxritag)) | |
20305 | continue; | |
20306 | ||
20307 | if (lpfc_cmd->flags & LPFC_SBUF_NOT_POSTED) | |
20308 | continue; | |
20309 | ||
20310 | list_del_init(&lpfc_cmd->list); | |
20311 | qp->get_io_bufs--; | |
20312 | lpfc_cmd->hdwq = qp; | |
20313 | lpfc_cmd->hdwq_no = idx; | |
20314 | return lpfc_cmd; | |
20315 | } | |
20316 | return NULL; | |
20317 | } | |
20318 | ||
20319 | /** | |
20320 | * lpfc_get_io_buf - Get one IO buffer from free pool | |
20321 | * @phba: The HBA for which this call is being executed. | |
20322 | * @ndlp: pointer to lpfc nodelist data structure. | |
20323 | * @hwqid: belong to which HWQ | |
20324 | * @expedite: 1 means this request is urgent. | |
20325 | * | |
20326 | * This routine gets one IO buffer from free pool. If cfg_xri_rebalancing==1, | |
20327 | * removes a IO buffer from multiXRI pools. If cfg_xri_rebalancing==0, removes | |
20328 | * a IO buffer from head of @hdwq io_buf_list and returns to caller. | |
20329 | * | |
20330 | * Note: ndlp is only used on SCSI side for RRQ testing. | |
20331 | * The caller should pass NULL for ndlp on NVME side. | |
20332 | * | |
20333 | * Return codes: | |
20334 | * NULL - Error | |
20335 | * Pointer to lpfc_io_buf - Success | |
20336 | **/ | |
20337 | struct lpfc_io_buf *lpfc_get_io_buf(struct lpfc_hba *phba, | |
20338 | struct lpfc_nodelist *ndlp, | |
20339 | u32 hwqid, int expedite) | |
20340 | { | |
20341 | struct lpfc_sli4_hdw_queue *qp; | |
20342 | unsigned long iflag; | |
20343 | struct lpfc_io_buf *lpfc_cmd; | |
20344 | ||
20345 | qp = &phba->sli4_hba.hdwq[hwqid]; | |
20346 | lpfc_cmd = NULL; | |
20347 | ||
20348 | if (phba->cfg_xri_rebalancing) | |
20349 | lpfc_cmd = lpfc_get_io_buf_from_multixri_pools( | |
20350 | phba, ndlp, hwqid, expedite); | |
20351 | else { | |
20352 | spin_lock_irqsave(&qp->io_buf_list_get_lock, iflag); | |
20353 | if (qp->get_io_bufs > LPFC_NVME_EXPEDITE_XRICNT || expedite) | |
20354 | lpfc_cmd = lpfc_io_buf(phba, ndlp, hwqid); | |
20355 | if (!lpfc_cmd) { | |
20356 | spin_lock(&qp->io_buf_list_put_lock); | |
20357 | list_splice(&qp->lpfc_io_buf_list_put, | |
20358 | &qp->lpfc_io_buf_list_get); | |
20359 | qp->get_io_bufs += qp->put_io_bufs; | |
20360 | INIT_LIST_HEAD(&qp->lpfc_io_buf_list_put); | |
20361 | qp->put_io_bufs = 0; | |
20362 | spin_unlock(&qp->io_buf_list_put_lock); | |
20363 | if (qp->get_io_bufs > LPFC_NVME_EXPEDITE_XRICNT || | |
20364 | expedite) | |
20365 | lpfc_cmd = lpfc_io_buf(phba, ndlp, hwqid); | |
20366 | } | |
20367 | spin_unlock_irqrestore(&qp->io_buf_list_get_lock, iflag); | |
20368 | } | |
20369 | ||
20370 | return lpfc_cmd; | |
20371 | } |