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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. * |
1b32f6aa | 4 | * Copyright (C) 2004-2008 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/interrupt.h> | |
25 | #include <linux/delay.h> | |
26 | ||
91886523 | 27 | #include <scsi/scsi.h> |
dea3101e | 28 | #include <scsi/scsi_cmnd.h> |
29 | #include <scsi/scsi_device.h> | |
30 | #include <scsi/scsi_host.h> | |
f888ba3c | 31 | #include <scsi/scsi_transport_fc.h> |
dea3101e | 32 | |
33 | #include "lpfc_hw.h" | |
34 | #include "lpfc_sli.h" | |
35 | #include "lpfc_disc.h" | |
36 | #include "lpfc_scsi.h" | |
37 | #include "lpfc.h" | |
38 | #include "lpfc_crtn.h" | |
39 | #include "lpfc_logmsg.h" | |
40 | #include "lpfc_compat.h" | |
858c9f6c | 41 | #include "lpfc_debugfs.h" |
dea3101e | 42 | |
43 | /* | |
44 | * Define macro to log: Mailbox command x%x cannot issue Data | |
45 | * This allows multiple uses of lpfc_msgBlk0311 | |
46 | * w/o perturbing log msg utility. | |
47 | */ | |
92d7f7b0 | 48 | #define LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag) \ |
dea3101e | 49 | lpfc_printf_log(phba, \ |
50 | KERN_INFO, \ | |
51 | LOG_MBOX | LOG_SLI, \ | |
e8b62011 | 52 | "(%d):0311 Mailbox command x%x cannot " \ |
92d7f7b0 | 53 | "issue Data: x%x x%x x%x\n", \ |
92d7f7b0 JS |
54 | pmbox->vport ? pmbox->vport->vpi : 0, \ |
55 | pmbox->mb.mbxCommand, \ | |
2e0fef85 | 56 | phba->pport->port_state, \ |
dea3101e | 57 | psli->sli_flag, \ |
2e0fef85 | 58 | flag) |
dea3101e | 59 | |
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 | ||
92d7f7b0 JS |
69 | /* SLI-2/SLI-3 provide different sized iocbs. Given a pointer |
70 | * to the start of the ring, and the slot number of the | |
71 | * desired iocb entry, calc a pointer to that entry. | |
72 | */ | |
ed957684 JS |
73 | static inline IOCB_t * |
74 | lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
75 | { | |
76 | return (IOCB_t *) (((char *) pring->cmdringaddr) + | |
77 | pring->cmdidx * phba->iocb_cmd_size); | |
78 | } | |
79 | ||
80 | static inline IOCB_t * | |
81 | lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
82 | { | |
83 | return (IOCB_t *) (((char *) pring->rspringaddr) + | |
84 | pring->rspidx * phba->iocb_rsp_size); | |
85 | } | |
86 | ||
2e0fef85 JS |
87 | static struct lpfc_iocbq * |
88 | __lpfc_sli_get_iocbq(struct lpfc_hba *phba) | |
0bd4ca25 JSEC |
89 | { |
90 | struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; | |
91 | struct lpfc_iocbq * iocbq = NULL; | |
92 | ||
93 | list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list); | |
94 | return iocbq; | |
95 | } | |
96 | ||
2e0fef85 JS |
97 | struct lpfc_iocbq * |
98 | lpfc_sli_get_iocbq(struct lpfc_hba *phba) | |
99 | { | |
100 | struct lpfc_iocbq * iocbq = NULL; | |
101 | unsigned long iflags; | |
102 | ||
103 | spin_lock_irqsave(&phba->hbalock, iflags); | |
104 | iocbq = __lpfc_sli_get_iocbq(phba); | |
105 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
106 | return iocbq; | |
107 | } | |
108 | ||
a6ababd2 | 109 | static void |
2e0fef85 | 110 | __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
604a3e30 | 111 | { |
2e0fef85 | 112 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); |
604a3e30 JB |
113 | |
114 | /* | |
115 | * Clean all volatile data fields, preserve iotag and node struct. | |
116 | */ | |
117 | memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
118 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); | |
119 | } | |
120 | ||
2e0fef85 JS |
121 | void |
122 | lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
123 | { | |
124 | unsigned long iflags; | |
125 | ||
126 | /* | |
127 | * Clean all volatile data fields, preserve iotag and node struct. | |
128 | */ | |
129 | spin_lock_irqsave(&phba->hbalock, iflags); | |
130 | __lpfc_sli_release_iocbq(phba, iocbq); | |
131 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
132 | } | |
133 | ||
dea3101e | 134 | /* |
135 | * Translate the iocb command to an iocb command type used to decide the final | |
136 | * disposition of each completed IOCB. | |
137 | */ | |
138 | static lpfc_iocb_type | |
139 | lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) | |
140 | { | |
141 | lpfc_iocb_type type = LPFC_UNKNOWN_IOCB; | |
142 | ||
143 | if (iocb_cmnd > CMD_MAX_IOCB_CMD) | |
144 | return 0; | |
145 | ||
146 | switch (iocb_cmnd) { | |
147 | case CMD_XMIT_SEQUENCE_CR: | |
148 | case CMD_XMIT_SEQUENCE_CX: | |
149 | case CMD_XMIT_BCAST_CN: | |
150 | case CMD_XMIT_BCAST_CX: | |
151 | case CMD_ELS_REQUEST_CR: | |
152 | case CMD_ELS_REQUEST_CX: | |
153 | case CMD_CREATE_XRI_CR: | |
154 | case CMD_CREATE_XRI_CX: | |
155 | case CMD_GET_RPI_CN: | |
156 | case CMD_XMIT_ELS_RSP_CX: | |
157 | case CMD_GET_RPI_CR: | |
158 | case CMD_FCP_IWRITE_CR: | |
159 | case CMD_FCP_IWRITE_CX: | |
160 | case CMD_FCP_IREAD_CR: | |
161 | case CMD_FCP_IREAD_CX: | |
162 | case CMD_FCP_ICMND_CR: | |
163 | case CMD_FCP_ICMND_CX: | |
f5603511 JS |
164 | case CMD_FCP_TSEND_CX: |
165 | case CMD_FCP_TRSP_CX: | |
166 | case CMD_FCP_TRECEIVE_CX: | |
167 | case CMD_FCP_AUTO_TRSP_CX: | |
dea3101e | 168 | case CMD_ADAPTER_MSG: |
169 | case CMD_ADAPTER_DUMP: | |
170 | case CMD_XMIT_SEQUENCE64_CR: | |
171 | case CMD_XMIT_SEQUENCE64_CX: | |
172 | case CMD_XMIT_BCAST64_CN: | |
173 | case CMD_XMIT_BCAST64_CX: | |
174 | case CMD_ELS_REQUEST64_CR: | |
175 | case CMD_ELS_REQUEST64_CX: | |
176 | case CMD_FCP_IWRITE64_CR: | |
177 | case CMD_FCP_IWRITE64_CX: | |
178 | case CMD_FCP_IREAD64_CR: | |
179 | case CMD_FCP_IREAD64_CX: | |
180 | case CMD_FCP_ICMND64_CR: | |
181 | case CMD_FCP_ICMND64_CX: | |
f5603511 JS |
182 | case CMD_FCP_TSEND64_CX: |
183 | case CMD_FCP_TRSP64_CX: | |
184 | case CMD_FCP_TRECEIVE64_CX: | |
dea3101e | 185 | case CMD_GEN_REQUEST64_CR: |
186 | case CMD_GEN_REQUEST64_CX: | |
187 | case CMD_XMIT_ELS_RSP64_CX: | |
188 | type = LPFC_SOL_IOCB; | |
189 | break; | |
190 | case CMD_ABORT_XRI_CN: | |
191 | case CMD_ABORT_XRI_CX: | |
192 | case CMD_CLOSE_XRI_CN: | |
193 | case CMD_CLOSE_XRI_CX: | |
194 | case CMD_XRI_ABORTED_CX: | |
195 | case CMD_ABORT_MXRI64_CN: | |
196 | type = LPFC_ABORT_IOCB; | |
197 | break; | |
198 | case CMD_RCV_SEQUENCE_CX: | |
199 | case CMD_RCV_ELS_REQ_CX: | |
200 | case CMD_RCV_SEQUENCE64_CX: | |
201 | case CMD_RCV_ELS_REQ64_CX: | |
57127f15 | 202 | case CMD_ASYNC_STATUS: |
ed957684 JS |
203 | case CMD_IOCB_RCV_SEQ64_CX: |
204 | case CMD_IOCB_RCV_ELS64_CX: | |
205 | case CMD_IOCB_RCV_CONT64_CX: | |
dea3101e | 206 | type = LPFC_UNSOL_IOCB; |
207 | break; | |
208 | default: | |
209 | type = LPFC_UNKNOWN_IOCB; | |
210 | break; | |
211 | } | |
212 | ||
213 | return type; | |
214 | } | |
215 | ||
216 | static int | |
ed957684 | 217 | lpfc_sli_ring_map(struct lpfc_hba *phba) |
dea3101e | 218 | { |
219 | struct lpfc_sli *psli = &phba->sli; | |
ed957684 JS |
220 | LPFC_MBOXQ_t *pmb; |
221 | MAILBOX_t *pmbox; | |
222 | int i, rc, ret = 0; | |
dea3101e | 223 | |
ed957684 JS |
224 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
225 | if (!pmb) | |
226 | return -ENOMEM; | |
227 | pmbox = &pmb->mb; | |
228 | phba->link_state = LPFC_INIT_MBX_CMDS; | |
dea3101e | 229 | for (i = 0; i < psli->num_rings; i++) { |
dea3101e | 230 | lpfc_config_ring(phba, i, pmb); |
231 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
232 | if (rc != MBX_SUCCESS) { | |
92d7f7b0 | 233 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 234 | "0446 Adapter failed to init (%d), " |
dea3101e | 235 | "mbxCmd x%x CFG_RING, mbxStatus x%x, " |
236 | "ring %d\n", | |
e8b62011 JS |
237 | rc, pmbox->mbxCommand, |
238 | pmbox->mbxStatus, i); | |
2e0fef85 | 239 | phba->link_state = LPFC_HBA_ERROR; |
ed957684 JS |
240 | ret = -ENXIO; |
241 | break; | |
dea3101e | 242 | } |
243 | } | |
ed957684 JS |
244 | mempool_free(pmb, phba->mbox_mem_pool); |
245 | return ret; | |
dea3101e | 246 | } |
247 | ||
248 | static int | |
2e0fef85 JS |
249 | lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
250 | struct lpfc_iocbq *piocb) | |
dea3101e | 251 | { |
dea3101e | 252 | list_add_tail(&piocb->list, &pring->txcmplq); |
253 | pring->txcmplq_cnt++; | |
92d7f7b0 JS |
254 | if ((unlikely(pring->ringno == LPFC_ELS_RING)) && |
255 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
256 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { | |
257 | if (!piocb->vport) | |
258 | BUG(); | |
259 | else | |
260 | mod_timer(&piocb->vport->els_tmofunc, | |
261 | jiffies + HZ * (phba->fc_ratov << 1)); | |
262 | } | |
263 | ||
dea3101e | 264 | |
2e0fef85 | 265 | return 0; |
dea3101e | 266 | } |
267 | ||
268 | static struct lpfc_iocbq * | |
2e0fef85 | 269 | lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 270 | { |
dea3101e | 271 | struct lpfc_iocbq *cmd_iocb; |
272 | ||
858c9f6c JS |
273 | list_remove_head((&pring->txq), cmd_iocb, struct lpfc_iocbq, list); |
274 | if (cmd_iocb != NULL) | |
dea3101e | 275 | pring->txq_cnt--; |
2e0fef85 | 276 | return cmd_iocb; |
dea3101e | 277 | } |
278 | ||
279 | static IOCB_t * | |
280 | lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
281 | { | |
ed957684 JS |
282 | struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? |
283 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : | |
284 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; | |
dea3101e | 285 | uint32_t max_cmd_idx = pring->numCiocb; |
dea3101e | 286 | |
287 | if ((pring->next_cmdidx == pring->cmdidx) && | |
288 | (++pring->next_cmdidx >= max_cmd_idx)) | |
289 | pring->next_cmdidx = 0; | |
290 | ||
291 | if (unlikely(pring->local_getidx == pring->next_cmdidx)) { | |
292 | ||
293 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
294 | ||
295 | if (unlikely(pring->local_getidx >= max_cmd_idx)) { | |
296 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 297 | "0315 Ring %d issue: portCmdGet %d " |
dea3101e | 298 | "is bigger then cmd ring %d\n", |
e8b62011 | 299 | pring->ringno, |
dea3101e | 300 | pring->local_getidx, max_cmd_idx); |
301 | ||
2e0fef85 | 302 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 303 | /* |
304 | * All error attention handlers are posted to | |
305 | * worker thread | |
306 | */ | |
307 | phba->work_ha |= HA_ERATT; | |
308 | phba->work_hs = HS_FFER3; | |
92d7f7b0 JS |
309 | |
310 | /* hbalock should already be held */ | |
dea3101e | 311 | if (phba->work_wait) |
92d7f7b0 | 312 | lpfc_worker_wake_up(phba); |
dea3101e | 313 | |
314 | return NULL; | |
315 | } | |
316 | ||
317 | if (pring->local_getidx == pring->next_cmdidx) | |
318 | return NULL; | |
319 | } | |
320 | ||
ed957684 | 321 | return lpfc_cmd_iocb(phba, pring); |
dea3101e | 322 | } |
323 | ||
604a3e30 | 324 | uint16_t |
2e0fef85 | 325 | lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
dea3101e | 326 | { |
2e0fef85 JS |
327 | struct lpfc_iocbq **new_arr; |
328 | struct lpfc_iocbq **old_arr; | |
604a3e30 JB |
329 | size_t new_len; |
330 | struct lpfc_sli *psli = &phba->sli; | |
331 | uint16_t iotag; | |
dea3101e | 332 | |
2e0fef85 | 333 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
334 | iotag = psli->last_iotag; |
335 | if(++iotag < psli->iocbq_lookup_len) { | |
336 | psli->last_iotag = iotag; | |
337 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 338 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
339 | iocbq->iotag = iotag; |
340 | return iotag; | |
2e0fef85 | 341 | } else if (psli->iocbq_lookup_len < (0xffff |
604a3e30 JB |
342 | - LPFC_IOCBQ_LOOKUP_INCREMENT)) { |
343 | new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT; | |
2e0fef85 JS |
344 | spin_unlock_irq(&phba->hbalock); |
345 | new_arr = kzalloc(new_len * sizeof (struct lpfc_iocbq *), | |
604a3e30 JB |
346 | GFP_KERNEL); |
347 | if (new_arr) { | |
2e0fef85 | 348 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
349 | old_arr = psli->iocbq_lookup; |
350 | if (new_len <= psli->iocbq_lookup_len) { | |
351 | /* highly unprobable case */ | |
352 | kfree(new_arr); | |
353 | iotag = psli->last_iotag; | |
354 | if(++iotag < psli->iocbq_lookup_len) { | |
355 | psli->last_iotag = iotag; | |
356 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 357 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
358 | iocbq->iotag = iotag; |
359 | return iotag; | |
360 | } | |
2e0fef85 | 361 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
362 | return 0; |
363 | } | |
364 | if (psli->iocbq_lookup) | |
365 | memcpy(new_arr, old_arr, | |
366 | ((psli->last_iotag + 1) * | |
311464ec | 367 | sizeof (struct lpfc_iocbq *))); |
604a3e30 JB |
368 | psli->iocbq_lookup = new_arr; |
369 | psli->iocbq_lookup_len = new_len; | |
370 | psli->last_iotag = iotag; | |
371 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 372 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
373 | iocbq->iotag = iotag; |
374 | kfree(old_arr); | |
375 | return iotag; | |
376 | } | |
8f6d98d2 | 377 | } else |
2e0fef85 | 378 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 379 | |
604a3e30 | 380 | lpfc_printf_log(phba, KERN_ERR,LOG_SLI, |
e8b62011 JS |
381 | "0318 Failed to allocate IOTAG.last IOTAG is %d\n", |
382 | psli->last_iotag); | |
dea3101e | 383 | |
604a3e30 | 384 | return 0; |
dea3101e | 385 | } |
386 | ||
387 | static void | |
388 | lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
389 | IOCB_t *iocb, struct lpfc_iocbq *nextiocb) | |
390 | { | |
391 | /* | |
604a3e30 | 392 | * Set up an iotag |
dea3101e | 393 | */ |
604a3e30 | 394 | nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0; |
dea3101e | 395 | |
a58cbd52 JS |
396 | if (pring->ringno == LPFC_ELS_RING) { |
397 | lpfc_debugfs_slow_ring_trc(phba, | |
398 | "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
399 | *(((uint32_t *) &nextiocb->iocb) + 4), | |
400 | *(((uint32_t *) &nextiocb->iocb) + 6), | |
401 | *(((uint32_t *) &nextiocb->iocb) + 7)); | |
402 | } | |
403 | ||
dea3101e | 404 | /* |
405 | * Issue iocb command to adapter | |
406 | */ | |
92d7f7b0 | 407 | lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, phba->iocb_cmd_size); |
dea3101e | 408 | wmb(); |
409 | pring->stats.iocb_cmd++; | |
410 | ||
411 | /* | |
412 | * If there is no completion routine to call, we can release the | |
413 | * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, | |
414 | * that have no rsp ring completion, iocb_cmpl MUST be NULL. | |
415 | */ | |
416 | if (nextiocb->iocb_cmpl) | |
417 | lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); | |
604a3e30 | 418 | else |
2e0fef85 | 419 | __lpfc_sli_release_iocbq(phba, nextiocb); |
dea3101e | 420 | |
421 | /* | |
422 | * Let the HBA know what IOCB slot will be the next one the | |
423 | * driver will put a command into. | |
424 | */ | |
425 | pring->cmdidx = pring->next_cmdidx; | |
ed957684 | 426 | writel(pring->cmdidx, &phba->host_gp[pring->ringno].cmdPutInx); |
dea3101e | 427 | } |
428 | ||
429 | static void | |
2e0fef85 | 430 | lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 431 | { |
432 | int ringno = pring->ringno; | |
433 | ||
434 | pring->flag |= LPFC_CALL_RING_AVAILABLE; | |
435 | ||
436 | wmb(); | |
437 | ||
438 | /* | |
439 | * Set ring 'ringno' to SET R0CE_REQ in Chip Att register. | |
440 | * The HBA will tell us when an IOCB entry is available. | |
441 | */ | |
442 | writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr); | |
443 | readl(phba->CAregaddr); /* flush */ | |
444 | ||
445 | pring->stats.iocb_cmd_full++; | |
446 | } | |
447 | ||
448 | static void | |
2e0fef85 | 449 | lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 450 | { |
451 | int ringno = pring->ringno; | |
452 | ||
453 | /* | |
454 | * Tell the HBA that there is work to do in this ring. | |
455 | */ | |
456 | wmb(); | |
457 | writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); | |
458 | readl(phba->CAregaddr); /* flush */ | |
459 | } | |
460 | ||
461 | static void | |
2e0fef85 | 462 | lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 463 | { |
464 | IOCB_t *iocb; | |
465 | struct lpfc_iocbq *nextiocb; | |
466 | ||
467 | /* | |
468 | * Check to see if: | |
469 | * (a) there is anything on the txq to send | |
470 | * (b) link is up | |
471 | * (c) link attention events can be processed (fcp ring only) | |
472 | * (d) IOCB processing is not blocked by the outstanding mbox command. | |
473 | */ | |
474 | if (pring->txq_cnt && | |
2e0fef85 | 475 | lpfc_is_link_up(phba) && |
dea3101e | 476 | (pring->ringno != phba->sli.fcp_ring || |
0b727fea | 477 | phba->sli.sli_flag & LPFC_PROCESS_LA)) { |
dea3101e | 478 | |
479 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && | |
480 | (nextiocb = lpfc_sli_ringtx_get(phba, pring))) | |
481 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
482 | ||
483 | if (iocb) | |
484 | lpfc_sli_update_ring(phba, pring); | |
485 | else | |
486 | lpfc_sli_update_full_ring(phba, pring); | |
487 | } | |
488 | ||
489 | return; | |
490 | } | |
491 | ||
a6ababd2 | 492 | static struct lpfc_hbq_entry * |
ed957684 JS |
493 | lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) |
494 | { | |
495 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
496 | ||
497 | if (hbqp->next_hbqPutIdx == hbqp->hbqPutIdx && | |
498 | ++hbqp->next_hbqPutIdx >= hbqp->entry_count) | |
499 | hbqp->next_hbqPutIdx = 0; | |
500 | ||
501 | if (unlikely(hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)) { | |
92d7f7b0 | 502 | uint32_t raw_index = phba->hbq_get[hbqno]; |
ed957684 JS |
503 | uint32_t getidx = le32_to_cpu(raw_index); |
504 | ||
505 | hbqp->local_hbqGetIdx = getidx; | |
506 | ||
507 | if (unlikely(hbqp->local_hbqGetIdx >= hbqp->entry_count)) { | |
508 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 509 | LOG_SLI | LOG_VPORT, |
e8b62011 | 510 | "1802 HBQ %d: local_hbqGetIdx " |
ed957684 | 511 | "%u is > than hbqp->entry_count %u\n", |
e8b62011 | 512 | hbqno, hbqp->local_hbqGetIdx, |
ed957684 JS |
513 | hbqp->entry_count); |
514 | ||
515 | phba->link_state = LPFC_HBA_ERROR; | |
516 | return NULL; | |
517 | } | |
518 | ||
519 | if (hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx) | |
520 | return NULL; | |
521 | } | |
522 | ||
51ef4c26 JS |
523 | return (struct lpfc_hbq_entry *) phba->hbqs[hbqno].hbq_virt + |
524 | hbqp->hbqPutIdx; | |
ed957684 JS |
525 | } |
526 | ||
527 | void | |
528 | lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) | |
529 | { | |
92d7f7b0 JS |
530 | struct lpfc_dmabuf *dmabuf, *next_dmabuf; |
531 | struct hbq_dmabuf *hbq_buf; | |
51ef4c26 | 532 | int i, hbq_count; |
ed957684 | 533 | |
51ef4c26 | 534 | hbq_count = lpfc_sli_hbq_count(); |
ed957684 | 535 | /* Return all memory used by all HBQs */ |
51ef4c26 JS |
536 | for (i = 0; i < hbq_count; ++i) { |
537 | list_for_each_entry_safe(dmabuf, next_dmabuf, | |
538 | &phba->hbqs[i].hbq_buffer_list, list) { | |
539 | hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf); | |
540 | list_del(&hbq_buf->dbuf.list); | |
541 | (phba->hbqs[i].hbq_free_buffer)(phba, hbq_buf); | |
542 | } | |
a8adb832 | 543 | phba->hbqs[i].buffer_count = 0; |
ed957684 | 544 | } |
ed957684 JS |
545 | } |
546 | ||
51ef4c26 | 547 | static struct lpfc_hbq_entry * |
ed957684 | 548 | lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno, |
92d7f7b0 | 549 | struct hbq_dmabuf *hbq_buf) |
ed957684 JS |
550 | { |
551 | struct lpfc_hbq_entry *hbqe; | |
92d7f7b0 | 552 | dma_addr_t physaddr = hbq_buf->dbuf.phys; |
ed957684 JS |
553 | |
554 | /* Get next HBQ entry slot to use */ | |
555 | hbqe = lpfc_sli_next_hbq_slot(phba, hbqno); | |
556 | if (hbqe) { | |
557 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
558 | ||
92d7f7b0 JS |
559 | hbqe->bde.addrHigh = le32_to_cpu(putPaddrHigh(physaddr)); |
560 | hbqe->bde.addrLow = le32_to_cpu(putPaddrLow(physaddr)); | |
51ef4c26 | 561 | hbqe->bde.tus.f.bdeSize = hbq_buf->size; |
ed957684 | 562 | hbqe->bde.tus.f.bdeFlags = 0; |
92d7f7b0 JS |
563 | hbqe->bde.tus.w = le32_to_cpu(hbqe->bde.tus.w); |
564 | hbqe->buffer_tag = le32_to_cpu(hbq_buf->tag); | |
565 | /* Sync SLIM */ | |
ed957684 JS |
566 | hbqp->hbqPutIdx = hbqp->next_hbqPutIdx; |
567 | writel(hbqp->hbqPutIdx, phba->hbq_put + hbqno); | |
92d7f7b0 | 568 | /* flush */ |
ed957684 | 569 | readl(phba->hbq_put + hbqno); |
51ef4c26 | 570 | list_add_tail(&hbq_buf->dbuf.list, &hbqp->hbq_buffer_list); |
ed957684 | 571 | } |
51ef4c26 | 572 | return hbqe; |
ed957684 JS |
573 | } |
574 | ||
92d7f7b0 JS |
575 | static struct lpfc_hbq_init lpfc_els_hbq = { |
576 | .rn = 1, | |
577 | .entry_count = 200, | |
578 | .mask_count = 0, | |
579 | .profile = 0, | |
51ef4c26 | 580 | .ring_mask = (1 << LPFC_ELS_RING), |
92d7f7b0 JS |
581 | .buffer_count = 0, |
582 | .init_count = 20, | |
583 | .add_count = 5, | |
584 | }; | |
ed957684 | 585 | |
51ef4c26 JS |
586 | static struct lpfc_hbq_init lpfc_extra_hbq = { |
587 | .rn = 1, | |
588 | .entry_count = 200, | |
589 | .mask_count = 0, | |
590 | .profile = 0, | |
591 | .ring_mask = (1 << LPFC_EXTRA_RING), | |
592 | .buffer_count = 0, | |
593 | .init_count = 0, | |
594 | .add_count = 5, | |
595 | }; | |
596 | ||
78b2d852 | 597 | struct lpfc_hbq_init *lpfc_hbq_defs[] = { |
92d7f7b0 | 598 | &lpfc_els_hbq, |
51ef4c26 | 599 | &lpfc_extra_hbq, |
92d7f7b0 | 600 | }; |
ed957684 | 601 | |
311464ec | 602 | static int |
92d7f7b0 | 603 | lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) |
ed957684 | 604 | { |
92d7f7b0 JS |
605 | uint32_t i, start, end; |
606 | struct hbq_dmabuf *hbq_buffer; | |
ed957684 | 607 | |
51ef4c26 JS |
608 | if (!phba->hbqs[hbqno].hbq_alloc_buffer) { |
609 | return 0; | |
610 | } | |
611 | ||
a8adb832 JS |
612 | start = phba->hbqs[hbqno].buffer_count; |
613 | end = count + start; | |
92d7f7b0 JS |
614 | if (end > lpfc_hbq_defs[hbqno]->entry_count) { |
615 | end = lpfc_hbq_defs[hbqno]->entry_count; | |
616 | } | |
ed957684 JS |
617 | |
618 | /* Populate HBQ entries */ | |
92d7f7b0 | 619 | for (i = start; i < end; i++) { |
51ef4c26 | 620 | hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); |
92d7f7b0 JS |
621 | if (!hbq_buffer) |
622 | return 1; | |
92d7f7b0 | 623 | hbq_buffer->tag = (i | (hbqno << 16)); |
51ef4c26 | 624 | if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) |
a8adb832 | 625 | phba->hbqs[hbqno].buffer_count++; |
51ef4c26 JS |
626 | else |
627 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); | |
ed957684 JS |
628 | } |
629 | return 0; | |
630 | } | |
631 | ||
92d7f7b0 JS |
632 | int |
633 | lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) | |
ed957684 | 634 | { |
92d7f7b0 JS |
635 | return(lpfc_sli_hbqbuf_fill_hbqs(phba, qno, |
636 | lpfc_hbq_defs[qno]->add_count)); | |
637 | } | |
ed957684 | 638 | |
a6ababd2 | 639 | static int |
92d7f7b0 JS |
640 | lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) |
641 | { | |
642 | return(lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
643 | lpfc_hbq_defs[qno]->init_count)); | |
ed957684 JS |
644 | } |
645 | ||
a6ababd2 | 646 | static struct hbq_dmabuf * |
92d7f7b0 | 647 | lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) |
ed957684 | 648 | { |
92d7f7b0 JS |
649 | struct lpfc_dmabuf *d_buf; |
650 | struct hbq_dmabuf *hbq_buf; | |
51ef4c26 JS |
651 | uint32_t hbqno; |
652 | ||
653 | hbqno = tag >> 16; | |
a0a74e45 | 654 | if (hbqno >= LPFC_MAX_HBQS) |
51ef4c26 | 655 | return NULL; |
ed957684 | 656 | |
51ef4c26 | 657 | list_for_each_entry(d_buf, &phba->hbqs[hbqno].hbq_buffer_list, list) { |
92d7f7b0 | 658 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
51ef4c26 | 659 | if (hbq_buf->tag == tag) { |
92d7f7b0 | 660 | return hbq_buf; |
ed957684 JS |
661 | } |
662 | } | |
92d7f7b0 | 663 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_VPORT, |
e8b62011 | 664 | "1803 Bad hbq tag. Data: x%x x%x\n", |
a8adb832 | 665 | tag, phba->hbqs[tag >> 16].buffer_count); |
92d7f7b0 | 666 | return NULL; |
ed957684 JS |
667 | } |
668 | ||
669 | void | |
51ef4c26 | 670 | lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) |
ed957684 JS |
671 | { |
672 | uint32_t hbqno; | |
673 | ||
51ef4c26 JS |
674 | if (hbq_buffer) { |
675 | hbqno = hbq_buffer->tag >> 16; | |
676 | if (!lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) { | |
677 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); | |
678 | } | |
ed957684 JS |
679 | } |
680 | } | |
681 | ||
dea3101e | 682 | static int |
683 | lpfc_sli_chk_mbx_command(uint8_t mbxCommand) | |
684 | { | |
685 | uint8_t ret; | |
686 | ||
687 | switch (mbxCommand) { | |
688 | case MBX_LOAD_SM: | |
689 | case MBX_READ_NV: | |
690 | case MBX_WRITE_NV: | |
a8adb832 | 691 | case MBX_WRITE_VPARMS: |
dea3101e | 692 | case MBX_RUN_BIU_DIAG: |
693 | case MBX_INIT_LINK: | |
694 | case MBX_DOWN_LINK: | |
695 | case MBX_CONFIG_LINK: | |
696 | case MBX_CONFIG_RING: | |
697 | case MBX_RESET_RING: | |
698 | case MBX_READ_CONFIG: | |
699 | case MBX_READ_RCONFIG: | |
700 | case MBX_READ_SPARM: | |
701 | case MBX_READ_STATUS: | |
702 | case MBX_READ_RPI: | |
703 | case MBX_READ_XRI: | |
704 | case MBX_READ_REV: | |
705 | case MBX_READ_LNK_STAT: | |
706 | case MBX_REG_LOGIN: | |
707 | case MBX_UNREG_LOGIN: | |
708 | case MBX_READ_LA: | |
709 | case MBX_CLEAR_LA: | |
710 | case MBX_DUMP_MEMORY: | |
711 | case MBX_DUMP_CONTEXT: | |
712 | case MBX_RUN_DIAGS: | |
713 | case MBX_RESTART: | |
714 | case MBX_UPDATE_CFG: | |
715 | case MBX_DOWN_LOAD: | |
716 | case MBX_DEL_LD_ENTRY: | |
717 | case MBX_RUN_PROGRAM: | |
718 | case MBX_SET_MASK: | |
09372820 | 719 | case MBX_SET_VARIABLE: |
dea3101e | 720 | case MBX_UNREG_D_ID: |
41415862 | 721 | case MBX_KILL_BOARD: |
dea3101e | 722 | case MBX_CONFIG_FARP: |
41415862 | 723 | case MBX_BEACON: |
dea3101e | 724 | case MBX_LOAD_AREA: |
725 | case MBX_RUN_BIU_DIAG64: | |
726 | case MBX_CONFIG_PORT: | |
727 | case MBX_READ_SPARM64: | |
728 | case MBX_READ_RPI64: | |
729 | case MBX_REG_LOGIN64: | |
730 | case MBX_READ_LA64: | |
09372820 | 731 | case MBX_WRITE_WWN: |
dea3101e | 732 | case MBX_SET_DEBUG: |
733 | case MBX_LOAD_EXP_ROM: | |
57127f15 | 734 | case MBX_ASYNCEVT_ENABLE: |
92d7f7b0 JS |
735 | case MBX_REG_VPI: |
736 | case MBX_UNREG_VPI: | |
858c9f6c | 737 | case MBX_HEARTBEAT: |
dea3101e | 738 | ret = mbxCommand; |
739 | break; | |
740 | default: | |
741 | ret = MBX_SHUTDOWN; | |
742 | break; | |
743 | } | |
2e0fef85 | 744 | return ret; |
dea3101e | 745 | } |
746 | static void | |
2e0fef85 | 747 | lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) |
dea3101e | 748 | { |
749 | wait_queue_head_t *pdone_q; | |
858c9f6c | 750 | unsigned long drvr_flag; |
dea3101e | 751 | |
752 | /* | |
753 | * If pdone_q is empty, the driver thread gave up waiting and | |
754 | * continued running. | |
755 | */ | |
7054a606 | 756 | pmboxq->mbox_flag |= LPFC_MBX_WAKE; |
858c9f6c | 757 | spin_lock_irqsave(&phba->hbalock, drvr_flag); |
dea3101e | 758 | pdone_q = (wait_queue_head_t *) pmboxq->context1; |
759 | if (pdone_q) | |
760 | wake_up_interruptible(pdone_q); | |
858c9f6c | 761 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 762 | return; |
763 | } | |
764 | ||
765 | void | |
2e0fef85 | 766 | lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 767 | { |
768 | struct lpfc_dmabuf *mp; | |
7054a606 JS |
769 | uint16_t rpi; |
770 | int rc; | |
771 | ||
dea3101e | 772 | mp = (struct lpfc_dmabuf *) (pmb->context1); |
7054a606 | 773 | |
dea3101e | 774 | if (mp) { |
775 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
776 | kfree(mp); | |
777 | } | |
7054a606 JS |
778 | |
779 | /* | |
780 | * If a REG_LOGIN succeeded after node is destroyed or node | |
781 | * is in re-discovery driver need to cleanup the RPI. | |
782 | */ | |
2e0fef85 JS |
783 | if (!(phba->pport->load_flag & FC_UNLOADING) && |
784 | pmb->mb.mbxCommand == MBX_REG_LOGIN64 && | |
785 | !pmb->mb.mbxStatus) { | |
7054a606 JS |
786 | |
787 | rpi = pmb->mb.un.varWords[0]; | |
92d7f7b0 JS |
788 | lpfc_unreg_login(phba, pmb->mb.un.varRegLogin.vpi, rpi, pmb); |
789 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
7054a606 JS |
790 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
791 | if (rc != MBX_NOT_FINISHED) | |
792 | return; | |
793 | } | |
794 | ||
2e0fef85 | 795 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 796 | return; |
797 | } | |
798 | ||
799 | int | |
2e0fef85 | 800 | lpfc_sli_handle_mb_event(struct lpfc_hba *phba) |
dea3101e | 801 | { |
92d7f7b0 | 802 | MAILBOX_t *pmbox; |
dea3101e | 803 | LPFC_MBOXQ_t *pmb; |
92d7f7b0 JS |
804 | int rc; |
805 | LIST_HEAD(cmplq); | |
dea3101e | 806 | |
807 | phba->sli.slistat.mbox_event++; | |
808 | ||
92d7f7b0 JS |
809 | /* Get all completed mailboxe buffers into the cmplq */ |
810 | spin_lock_irq(&phba->hbalock); | |
811 | list_splice_init(&phba->sli.mboxq_cmpl, &cmplq); | |
812 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 813 | |
92d7f7b0 JS |
814 | /* Get a Mailbox buffer to setup mailbox commands for callback */ |
815 | do { | |
816 | list_remove_head(&cmplq, pmb, LPFC_MBOXQ_t, list); | |
817 | if (pmb == NULL) | |
818 | break; | |
2e0fef85 | 819 | |
92d7f7b0 | 820 | pmbox = &pmb->mb; |
dea3101e | 821 | |
858c9f6c JS |
822 | if (pmbox->mbxCommand != MBX_HEARTBEAT) { |
823 | if (pmb->vport) { | |
824 | lpfc_debugfs_disc_trc(pmb->vport, | |
825 | LPFC_DISC_TRC_MBOX_VPORT, | |
826 | "MBOX cmpl vport: cmd:x%x mb:x%x x%x", | |
827 | (uint32_t)pmbox->mbxCommand, | |
828 | pmbox->un.varWords[0], | |
829 | pmbox->un.varWords[1]); | |
830 | } | |
831 | else { | |
832 | lpfc_debugfs_disc_trc(phba->pport, | |
833 | LPFC_DISC_TRC_MBOX, | |
834 | "MBOX cmpl: cmd:x%x mb:x%x x%x", | |
835 | (uint32_t)pmbox->mbxCommand, | |
836 | pmbox->un.varWords[0], | |
837 | pmbox->un.varWords[1]); | |
838 | } | |
839 | } | |
840 | ||
dea3101e | 841 | /* |
842 | * It is a fatal error if unknown mbox command completion. | |
843 | */ | |
844 | if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) == | |
845 | MBX_SHUTDOWN) { | |
dea3101e | 846 | /* Unknow mailbox command compl */ |
92d7f7b0 | 847 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
e8b62011 | 848 | "(%d):0323 Unknown Mailbox command " |
92d7f7b0 | 849 | "%x Cmpl\n", |
92d7f7b0 JS |
850 | pmb->vport ? pmb->vport->vpi : 0, |
851 | pmbox->mbxCommand); | |
2e0fef85 | 852 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 853 | phba->work_hs = HS_FFER3; |
854 | lpfc_handle_eratt(phba); | |
92d7f7b0 | 855 | continue; |
dea3101e | 856 | } |
857 | ||
dea3101e | 858 | if (pmbox->mbxStatus) { |
859 | phba->sli.slistat.mbox_stat_err++; | |
860 | if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { | |
861 | /* Mbox cmd cmpl error - RETRYing */ | |
92d7f7b0 JS |
862 | lpfc_printf_log(phba, KERN_INFO, |
863 | LOG_MBOX | LOG_SLI, | |
e8b62011 | 864 | "(%d):0305 Mbox cmd cmpl " |
92d7f7b0 JS |
865 | "error - RETRYing Data: x%x " |
866 | "x%x x%x x%x\n", | |
92d7f7b0 JS |
867 | pmb->vport ? pmb->vport->vpi :0, |
868 | pmbox->mbxCommand, | |
869 | pmbox->mbxStatus, | |
870 | pmbox->un.varWords[0], | |
871 | pmb->vport->port_state); | |
dea3101e | 872 | pmbox->mbxStatus = 0; |
873 | pmbox->mbxOwner = OWN_HOST; | |
2e0fef85 | 874 | spin_lock_irq(&phba->hbalock); |
dea3101e | 875 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 876 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 877 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
878 | if (rc == MBX_SUCCESS) | |
92d7f7b0 | 879 | continue; |
dea3101e | 880 | } |
881 | } | |
882 | ||
883 | /* Mailbox cmd <cmd> Cmpl <cmpl> */ | |
92d7f7b0 | 884 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 885 | "(%d):0307 Mailbox cmd x%x Cmpl x%p " |
dea3101e | 886 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x\n", |
92d7f7b0 | 887 | pmb->vport ? pmb->vport->vpi : 0, |
dea3101e | 888 | pmbox->mbxCommand, |
889 | pmb->mbox_cmpl, | |
890 | *((uint32_t *) pmbox), | |
891 | pmbox->un.varWords[0], | |
892 | pmbox->un.varWords[1], | |
893 | pmbox->un.varWords[2], | |
894 | pmbox->un.varWords[3], | |
895 | pmbox->un.varWords[4], | |
896 | pmbox->un.varWords[5], | |
897 | pmbox->un.varWords[6], | |
898 | pmbox->un.varWords[7]); | |
899 | ||
92d7f7b0 | 900 | if (pmb->mbox_cmpl) |
dea3101e | 901 | pmb->mbox_cmpl(phba,pmb); |
92d7f7b0 JS |
902 | } while (1); |
903 | return 0; | |
904 | } | |
dea3101e | 905 | |
92d7f7b0 JS |
906 | static struct lpfc_dmabuf * |
907 | lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag) | |
908 | { | |
909 | struct hbq_dmabuf *hbq_entry, *new_hbq_entry; | |
51ef4c26 JS |
910 | uint32_t hbqno; |
911 | void *virt; /* virtual address ptr */ | |
912 | dma_addr_t phys; /* mapped address */ | |
dea3101e | 913 | |
92d7f7b0 JS |
914 | hbq_entry = lpfc_sli_hbqbuf_find(phba, tag); |
915 | if (hbq_entry == NULL) | |
916 | return NULL; | |
917 | list_del(&hbq_entry->dbuf.list); | |
51ef4c26 JS |
918 | |
919 | hbqno = tag >> 16; | |
920 | new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); | |
92d7f7b0 JS |
921 | if (new_hbq_entry == NULL) |
922 | return &hbq_entry->dbuf; | |
92d7f7b0 | 923 | new_hbq_entry->tag = -1; |
51ef4c26 JS |
924 | phys = new_hbq_entry->dbuf.phys; |
925 | virt = new_hbq_entry->dbuf.virt; | |
926 | new_hbq_entry->dbuf.phys = hbq_entry->dbuf.phys; | |
927 | new_hbq_entry->dbuf.virt = hbq_entry->dbuf.virt; | |
928 | hbq_entry->dbuf.phys = phys; | |
929 | hbq_entry->dbuf.virt = virt; | |
92d7f7b0 JS |
930 | lpfc_sli_free_hbq(phba, hbq_entry); |
931 | return &new_hbq_entry->dbuf; | |
dea3101e | 932 | } |
92d7f7b0 | 933 | |
76bb24ef JS |
934 | static struct lpfc_dmabuf * |
935 | lpfc_sli_get_buff(struct lpfc_hba *phba, | |
936 | struct lpfc_sli_ring *pring, | |
937 | uint32_t tag) | |
938 | { | |
939 | if (tag & QUE_BUFTAG_BIT) | |
940 | return lpfc_sli_ring_taggedbuf_get(phba, pring, tag); | |
941 | else | |
942 | return lpfc_sli_replace_hbqbuff(phba, tag); | |
943 | } | |
57127f15 | 944 | |
dea3101e | 945 | static int |
946 | lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
947 | struct lpfc_iocbq *saveq) | |
948 | { | |
949 | IOCB_t * irsp; | |
950 | WORD5 * w5p; | |
951 | uint32_t Rctl, Type; | |
952 | uint32_t match, i; | |
76bb24ef | 953 | struct lpfc_iocbq *iocbq; |
dea3101e | 954 | |
955 | match = 0; | |
956 | irsp = &(saveq->iocb); | |
57127f15 | 957 | |
9c2face6 JS |
958 | if (irsp->ulpStatus == IOSTAT_NEED_BUFFER) |
959 | return 1; | |
57127f15 JS |
960 | if (irsp->ulpCommand == CMD_ASYNC_STATUS) { |
961 | if (pring->lpfc_sli_rcv_async_status) | |
962 | pring->lpfc_sli_rcv_async_status(phba, pring, saveq); | |
963 | else | |
964 | lpfc_printf_log(phba, | |
965 | KERN_WARNING, | |
966 | LOG_SLI, | |
967 | "0316 Ring %d handler: unexpected " | |
968 | "ASYNC_STATUS iocb received evt_code " | |
969 | "0x%x\n", | |
970 | pring->ringno, | |
971 | irsp->un.asyncstat.evt_code); | |
972 | return 1; | |
973 | } | |
974 | ||
92d7f7b0 | 975 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
76bb24ef JS |
976 | if (irsp->ulpBdeCount != 0) { |
977 | saveq->context2 = lpfc_sli_get_buff(phba, pring, | |
978 | irsp->un.ulpWord[3]); | |
979 | if (!saveq->context2) | |
980 | lpfc_printf_log(phba, | |
981 | KERN_ERR, | |
982 | LOG_SLI, | |
983 | "0341 Ring %d Cannot find buffer for " | |
984 | "an unsolicited iocb. tag 0x%x\n", | |
985 | pring->ringno, | |
986 | irsp->un.ulpWord[3]); | |
76bb24ef JS |
987 | } |
988 | if (irsp->ulpBdeCount == 2) { | |
989 | saveq->context3 = lpfc_sli_get_buff(phba, pring, | |
990 | irsp->unsli3.sli3Words[7]); | |
991 | if (!saveq->context3) | |
992 | lpfc_printf_log(phba, | |
993 | KERN_ERR, | |
994 | LOG_SLI, | |
995 | "0342 Ring %d Cannot find buffer for an" | |
996 | " unsolicited iocb. tag 0x%x\n", | |
997 | pring->ringno, | |
998 | irsp->unsli3.sli3Words[7]); | |
999 | } | |
1000 | list_for_each_entry(iocbq, &saveq->list, list) { | |
76bb24ef | 1001 | irsp = &(iocbq->iocb); |
76bb24ef JS |
1002 | if (irsp->ulpBdeCount != 0) { |
1003 | iocbq->context2 = lpfc_sli_get_buff(phba, pring, | |
1004 | irsp->un.ulpWord[3]); | |
9c2face6 | 1005 | if (!iocbq->context2) |
76bb24ef JS |
1006 | lpfc_printf_log(phba, |
1007 | KERN_ERR, | |
1008 | LOG_SLI, | |
1009 | "0343 Ring %d Cannot find " | |
1010 | "buffer for an unsolicited iocb" | |
1011 | ". tag 0x%x\n", pring->ringno, | |
92d7f7b0 | 1012 | irsp->un.ulpWord[3]); |
76bb24ef JS |
1013 | } |
1014 | if (irsp->ulpBdeCount == 2) { | |
1015 | iocbq->context3 = lpfc_sli_get_buff(phba, pring, | |
51ef4c26 | 1016 | irsp->unsli3.sli3Words[7]); |
9c2face6 | 1017 | if (!iocbq->context3) |
76bb24ef JS |
1018 | lpfc_printf_log(phba, |
1019 | KERN_ERR, | |
1020 | LOG_SLI, | |
1021 | "0344 Ring %d Cannot find " | |
1022 | "buffer for an unsolicited " | |
1023 | "iocb. tag 0x%x\n", | |
1024 | pring->ringno, | |
1025 | irsp->unsli3.sli3Words[7]); | |
1026 | } | |
1027 | } | |
92d7f7b0 | 1028 | } |
9c2face6 JS |
1029 | if (irsp->ulpBdeCount != 0 && |
1030 | (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX || | |
1031 | irsp->ulpStatus == IOSTAT_INTERMED_RSP)) { | |
1032 | int found = 0; | |
1033 | ||
1034 | /* search continue save q for same XRI */ | |
1035 | list_for_each_entry(iocbq, &pring->iocb_continue_saveq, clist) { | |
1036 | if (iocbq->iocb.ulpContext == saveq->iocb.ulpContext) { | |
1037 | list_add_tail(&saveq->list, &iocbq->list); | |
1038 | found = 1; | |
1039 | break; | |
1040 | } | |
1041 | } | |
1042 | if (!found) | |
1043 | list_add_tail(&saveq->clist, | |
1044 | &pring->iocb_continue_saveq); | |
1045 | if (saveq->iocb.ulpStatus != IOSTAT_INTERMED_RSP) { | |
1046 | list_del_init(&iocbq->clist); | |
1047 | saveq = iocbq; | |
1048 | irsp = &(saveq->iocb); | |
1049 | } else | |
1050 | return 0; | |
1051 | } | |
1052 | if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) || | |
1053 | (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) || | |
1054 | (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX)) { | |
1055 | Rctl = FC_ELS_REQ; | |
1056 | Type = FC_ELS_DATA; | |
1057 | } else { | |
1058 | w5p = (WORD5 *)&(saveq->iocb.un.ulpWord[5]); | |
1059 | Rctl = w5p->hcsw.Rctl; | |
1060 | Type = w5p->hcsw.Type; | |
1061 | ||
1062 | /* Firmware Workaround */ | |
1063 | if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && | |
1064 | (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX || | |
1065 | irsp->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { | |
1066 | Rctl = FC_ELS_REQ; | |
1067 | Type = FC_ELS_DATA; | |
1068 | w5p->hcsw.Rctl = Rctl; | |
1069 | w5p->hcsw.Type = Type; | |
1070 | } | |
1071 | } | |
92d7f7b0 | 1072 | |
dea3101e | 1073 | /* unSolicited Responses */ |
1074 | if (pring->prt[0].profile) { | |
cf5bf97e JW |
1075 | if (pring->prt[0].lpfc_sli_rcv_unsol_event) |
1076 | (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, | |
1077 | saveq); | |
dea3101e | 1078 | match = 1; |
1079 | } else { | |
1080 | /* We must search, based on rctl / type | |
1081 | for the right routine */ | |
9c2face6 JS |
1082 | for (i = 0; i < pring->num_mask; i++) { |
1083 | if ((pring->prt[i].rctl == Rctl) | |
1084 | && (pring->prt[i].type == Type)) { | |
cf5bf97e JW |
1085 | if (pring->prt[i].lpfc_sli_rcv_unsol_event) |
1086 | (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
1087 | (phba, pring, saveq); | |
dea3101e | 1088 | match = 1; |
1089 | break; | |
1090 | } | |
1091 | } | |
1092 | } | |
1093 | if (match == 0) { | |
1094 | /* Unexpected Rctl / Type received */ | |
1095 | /* Ring <ringno> handler: unexpected | |
1096 | Rctl <Rctl> Type <Type> received */ | |
92d7f7b0 | 1097 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 | 1098 | "0313 Ring %d handler: unexpected Rctl x%x " |
92d7f7b0 | 1099 | "Type x%x received\n", |
e8b62011 | 1100 | pring->ringno, Rctl, Type); |
dea3101e | 1101 | } |
92d7f7b0 | 1102 | return 1; |
dea3101e | 1103 | } |
1104 | ||
1105 | static struct lpfc_iocbq * | |
2e0fef85 JS |
1106 | lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, |
1107 | struct lpfc_sli_ring *pring, | |
1108 | struct lpfc_iocbq *prspiocb) | |
dea3101e | 1109 | { |
dea3101e | 1110 | struct lpfc_iocbq *cmd_iocb = NULL; |
1111 | uint16_t iotag; | |
1112 | ||
604a3e30 JB |
1113 | iotag = prspiocb->iocb.ulpIoTag; |
1114 | ||
1115 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { | |
1116 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
92d7f7b0 | 1117 | list_del_init(&cmd_iocb->list); |
604a3e30 JB |
1118 | pring->txcmplq_cnt--; |
1119 | return cmd_iocb; | |
dea3101e | 1120 | } |
1121 | ||
dea3101e | 1122 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 1123 | "0317 iotag x%x is out off " |
604a3e30 | 1124 | "range: max iotag x%x wd0 x%x\n", |
e8b62011 | 1125 | iotag, phba->sli.last_iotag, |
604a3e30 | 1126 | *(((uint32_t *) &prspiocb->iocb) + 7)); |
dea3101e | 1127 | return NULL; |
1128 | } | |
1129 | ||
1130 | static int | |
2e0fef85 | 1131 | lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
dea3101e | 1132 | struct lpfc_iocbq *saveq) |
1133 | { | |
2e0fef85 | 1134 | struct lpfc_iocbq *cmdiocbp; |
dea3101e | 1135 | int rc = 1; |
1136 | unsigned long iflag; | |
1137 | ||
1138 | /* Based on the iotag field, get the cmd IOCB from the txcmplq */ | |
2e0fef85 | 1139 | spin_lock_irqsave(&phba->hbalock, iflag); |
604a3e30 | 1140 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); |
2e0fef85 JS |
1141 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
1142 | ||
dea3101e | 1143 | if (cmdiocbp) { |
1144 | if (cmdiocbp->iocb_cmpl) { | |
1145 | /* | |
1146 | * Post all ELS completions to the worker thread. | |
1147 | * All other are passed to the completion callback. | |
1148 | */ | |
1149 | if (pring->ringno == LPFC_ELS_RING) { | |
07951076 JS |
1150 | if (cmdiocbp->iocb_flag & LPFC_DRIVER_ABORTED) { |
1151 | cmdiocbp->iocb_flag &= | |
1152 | ~LPFC_DRIVER_ABORTED; | |
1153 | saveq->iocb.ulpStatus = | |
1154 | IOSTAT_LOCAL_REJECT; | |
1155 | saveq->iocb.un.ulpWord[4] = | |
1156 | IOERR_SLI_ABORTED; | |
0ff10d46 JS |
1157 | |
1158 | /* Firmware could still be in progress | |
1159 | * of DMAing payload, so don't free data | |
1160 | * buffer till after a hbeat. | |
1161 | */ | |
1162 | saveq->iocb_flag |= LPFC_DELAY_MEM_FREE; | |
07951076 | 1163 | } |
dea3101e | 1164 | } |
2e0fef85 | 1165 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); |
604a3e30 JB |
1166 | } else |
1167 | lpfc_sli_release_iocbq(phba, cmdiocbp); | |
dea3101e | 1168 | } else { |
1169 | /* | |
1170 | * Unknown initiating command based on the response iotag. | |
1171 | * This could be the case on the ELS ring because of | |
1172 | * lpfc_els_abort(). | |
1173 | */ | |
1174 | if (pring->ringno != LPFC_ELS_RING) { | |
1175 | /* | |
1176 | * Ring <ringno> handler: unexpected completion IoTag | |
1177 | * <IoTag> | |
1178 | */ | |
e8b62011 JS |
1179 | lpfc_printf_vlog(cmdiocbp->vport, KERN_WARNING, LOG_SLI, |
1180 | "0322 Ring %d handler: " | |
1181 | "unexpected completion IoTag x%x " | |
1182 | "Data: x%x x%x x%x x%x\n", | |
1183 | pring->ringno, | |
1184 | saveq->iocb.ulpIoTag, | |
1185 | saveq->iocb.ulpStatus, | |
1186 | saveq->iocb.un.ulpWord[4], | |
1187 | saveq->iocb.ulpCommand, | |
1188 | saveq->iocb.ulpContext); | |
dea3101e | 1189 | } |
1190 | } | |
68876920 | 1191 | |
dea3101e | 1192 | return rc; |
1193 | } | |
1194 | ||
2e0fef85 JS |
1195 | static void |
1196 | lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
875fbdfe | 1197 | { |
ed957684 JS |
1198 | struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? |
1199 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : | |
1200 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; | |
875fbdfe JSEC |
1201 | /* |
1202 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger then | |
1203 | * rsp ring <portRspMax> | |
1204 | */ | |
1205 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 1206 | "0312 Ring %d handler: portRspPut %d " |
875fbdfe | 1207 | "is bigger then rsp ring %d\n", |
e8b62011 | 1208 | pring->ringno, le32_to_cpu(pgp->rspPutInx), |
875fbdfe JSEC |
1209 | pring->numRiocb); |
1210 | ||
2e0fef85 | 1211 | phba->link_state = LPFC_HBA_ERROR; |
875fbdfe JSEC |
1212 | |
1213 | /* | |
1214 | * All error attention handlers are posted to | |
1215 | * worker thread | |
1216 | */ | |
1217 | phba->work_ha |= HA_ERATT; | |
1218 | phba->work_hs = HS_FFER3; | |
92d7f7b0 JS |
1219 | |
1220 | /* hbalock should already be held */ | |
875fbdfe | 1221 | if (phba->work_wait) |
92d7f7b0 | 1222 | lpfc_worker_wake_up(phba); |
875fbdfe JSEC |
1223 | |
1224 | return; | |
1225 | } | |
1226 | ||
2e0fef85 | 1227 | void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba) |
875fbdfe | 1228 | { |
2e0fef85 JS |
1229 | struct lpfc_sli *psli = &phba->sli; |
1230 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_FCP_RING]; | |
875fbdfe JSEC |
1231 | IOCB_t *irsp = NULL; |
1232 | IOCB_t *entry = NULL; | |
1233 | struct lpfc_iocbq *cmdiocbq = NULL; | |
1234 | struct lpfc_iocbq rspiocbq; | |
1235 | struct lpfc_pgp *pgp; | |
1236 | uint32_t status; | |
1237 | uint32_t portRspPut, portRspMax; | |
1238 | int type; | |
1239 | uint32_t rsp_cmpl = 0; | |
875fbdfe | 1240 | uint32_t ha_copy; |
2e0fef85 | 1241 | unsigned long iflags; |
875fbdfe JSEC |
1242 | |
1243 | pring->stats.iocb_event++; | |
1244 | ||
ed957684 JS |
1245 | pgp = (phba->sli_rev == 3) ? |
1246 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : | |
1247 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; | |
1248 | ||
875fbdfe JSEC |
1249 | |
1250 | /* | |
1251 | * The next available response entry should never exceed the maximum | |
1252 | * entries. If it does, treat it as an adapter hardware error. | |
1253 | */ | |
1254 | portRspMax = pring->numRiocb; | |
1255 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1256 | if (unlikely(portRspPut >= portRspMax)) { | |
1257 | lpfc_sli_rsp_pointers_error(phba, pring); | |
1258 | return; | |
1259 | } | |
1260 | ||
1261 | rmb(); | |
1262 | while (pring->rspidx != portRspPut) { | |
ed957684 | 1263 | entry = lpfc_resp_iocb(phba, pring); |
875fbdfe JSEC |
1264 | if (++pring->rspidx >= portRspMax) |
1265 | pring->rspidx = 0; | |
1266 | ||
1267 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, | |
1268 | (uint32_t *) &rspiocbq.iocb, | |
92d7f7b0 | 1269 | phba->iocb_rsp_size); |
875fbdfe JSEC |
1270 | irsp = &rspiocbq.iocb; |
1271 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); | |
1272 | pring->stats.iocb_rsp++; | |
1273 | rsp_cmpl++; | |
1274 | ||
1275 | if (unlikely(irsp->ulpStatus)) { | |
1276 | /* Rsp ring <ringno> error: IOCB */ | |
1277 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
e8b62011 | 1278 | "0326 Rsp Ring %d error: IOCB Data: " |
875fbdfe | 1279 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
e8b62011 | 1280 | pring->ringno, |
875fbdfe JSEC |
1281 | irsp->un.ulpWord[0], |
1282 | irsp->un.ulpWord[1], | |
1283 | irsp->un.ulpWord[2], | |
1284 | irsp->un.ulpWord[3], | |
1285 | irsp->un.ulpWord[4], | |
1286 | irsp->un.ulpWord[5], | |
1287 | *(((uint32_t *) irsp) + 6), | |
1288 | *(((uint32_t *) irsp) + 7)); | |
1289 | } | |
1290 | ||
1291 | switch (type) { | |
1292 | case LPFC_ABORT_IOCB: | |
1293 | case LPFC_SOL_IOCB: | |
1294 | /* | |
1295 | * Idle exchange closed via ABTS from port. No iocb | |
1296 | * resources need to be recovered. | |
1297 | */ | |
1298 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { | |
dca9479b | 1299 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 JS |
1300 | "0314 IOCB cmd 0x%x " |
1301 | "processed. Skipping " | |
1302 | "completion", | |
dca9479b | 1303 | irsp->ulpCommand); |
875fbdfe JSEC |
1304 | break; |
1305 | } | |
1306 | ||
2e0fef85 | 1307 | spin_lock_irqsave(&phba->hbalock, iflags); |
875fbdfe JSEC |
1308 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
1309 | &rspiocbq); | |
2e0fef85 | 1310 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
875fbdfe JSEC |
1311 | if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { |
1312 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, | |
1313 | &rspiocbq); | |
1314 | } | |
1315 | break; | |
1316 | default: | |
1317 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
1318 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
1319 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
1320 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
1321 | MAX_MSG_DATA); | |
898eb71c JP |
1322 | dev_warn(&((phba->pcidev)->dev), |
1323 | "lpfc%d: %s\n", | |
875fbdfe JSEC |
1324 | phba->brd_no, adaptermsg); |
1325 | } else { | |
1326 | /* Unknown IOCB command */ | |
1327 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 1328 | "0321 Unknown IOCB command " |
875fbdfe | 1329 | "Data: x%x, x%x x%x x%x x%x\n", |
e8b62011 | 1330 | type, irsp->ulpCommand, |
875fbdfe JSEC |
1331 | irsp->ulpStatus, |
1332 | irsp->ulpIoTag, | |
1333 | irsp->ulpContext); | |
1334 | } | |
1335 | break; | |
1336 | } | |
1337 | ||
1338 | /* | |
1339 | * The response IOCB has been processed. Update the ring | |
1340 | * pointer in SLIM. If the port response put pointer has not | |
1341 | * been updated, sync the pgp->rspPutInx and fetch the new port | |
1342 | * response put pointer. | |
1343 | */ | |
ed957684 | 1344 | writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx); |
875fbdfe JSEC |
1345 | |
1346 | if (pring->rspidx == portRspPut) | |
1347 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1348 | } | |
1349 | ||
1350 | ha_copy = readl(phba->HAregaddr); | |
1351 | ha_copy >>= (LPFC_FCP_RING * 4); | |
1352 | ||
1353 | if ((rsp_cmpl > 0) && (ha_copy & HA_R0RE_REQ)) { | |
2e0fef85 | 1354 | spin_lock_irqsave(&phba->hbalock, iflags); |
875fbdfe JSEC |
1355 | pring->stats.iocb_rsp_full++; |
1356 | status = ((CA_R0ATT | CA_R0RE_RSP) << (LPFC_FCP_RING * 4)); | |
1357 | writel(status, phba->CAregaddr); | |
1358 | readl(phba->CAregaddr); | |
2e0fef85 | 1359 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
875fbdfe JSEC |
1360 | } |
1361 | if ((ha_copy & HA_R0CE_RSP) && | |
1362 | (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
2e0fef85 | 1363 | spin_lock_irqsave(&phba->hbalock, iflags); |
875fbdfe JSEC |
1364 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; |
1365 | pring->stats.iocb_cmd_empty++; | |
1366 | ||
1367 | /* Force update of the local copy of cmdGetInx */ | |
1368 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
1369 | lpfc_sli_resume_iocb(phba, pring); | |
1370 | ||
1371 | if ((pring->lpfc_sli_cmd_available)) | |
1372 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
1373 | ||
2e0fef85 | 1374 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
875fbdfe JSEC |
1375 | } |
1376 | ||
1377 | return; | |
1378 | } | |
1379 | ||
dea3101e | 1380 | /* |
1381 | * This routine presumes LPFC_FCP_RING handling and doesn't bother | |
1382 | * to check it explicitly. | |
1383 | */ | |
1384 | static int | |
2e0fef85 JS |
1385 | lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, |
1386 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 1387 | { |
ed957684 JS |
1388 | struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? |
1389 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : | |
1390 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; | |
dea3101e | 1391 | IOCB_t *irsp = NULL; |
87f6eaff | 1392 | IOCB_t *entry = NULL; |
dea3101e | 1393 | struct lpfc_iocbq *cmdiocbq = NULL; |
1394 | struct lpfc_iocbq rspiocbq; | |
dea3101e | 1395 | uint32_t status; |
1396 | uint32_t portRspPut, portRspMax; | |
1397 | int rc = 1; | |
1398 | lpfc_iocb_type type; | |
1399 | unsigned long iflag; | |
1400 | uint32_t rsp_cmpl = 0; | |
dea3101e | 1401 | |
2e0fef85 | 1402 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 1403 | pring->stats.iocb_event++; |
1404 | ||
dea3101e | 1405 | /* |
1406 | * The next available response entry should never exceed the maximum | |
1407 | * entries. If it does, treat it as an adapter hardware error. | |
1408 | */ | |
1409 | portRspMax = pring->numRiocb; | |
1410 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1411 | if (unlikely(portRspPut >= portRspMax)) { | |
875fbdfe | 1412 | lpfc_sli_rsp_pointers_error(phba, pring); |
2e0fef85 | 1413 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e | 1414 | return 1; |
1415 | } | |
1416 | ||
1417 | rmb(); | |
1418 | while (pring->rspidx != portRspPut) { | |
87f6eaff JSEC |
1419 | /* |
1420 | * Fetch an entry off the ring and copy it into a local data | |
1421 | * structure. The copy involves a byte-swap since the | |
1422 | * network byte order and pci byte orders are different. | |
1423 | */ | |
ed957684 | 1424 | entry = lpfc_resp_iocb(phba, pring); |
858c9f6c | 1425 | phba->last_completion_time = jiffies; |
875fbdfe JSEC |
1426 | |
1427 | if (++pring->rspidx >= portRspMax) | |
1428 | pring->rspidx = 0; | |
1429 | ||
87f6eaff JSEC |
1430 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
1431 | (uint32_t *) &rspiocbq.iocb, | |
ed957684 | 1432 | phba->iocb_rsp_size); |
a4bc3379 | 1433 | INIT_LIST_HEAD(&(rspiocbq.list)); |
87f6eaff JSEC |
1434 | irsp = &rspiocbq.iocb; |
1435 | ||
dea3101e | 1436 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
1437 | pring->stats.iocb_rsp++; | |
1438 | rsp_cmpl++; | |
1439 | ||
1440 | if (unlikely(irsp->ulpStatus)) { | |
92d7f7b0 JS |
1441 | /* |
1442 | * If resource errors reported from HBA, reduce | |
1443 | * queuedepths of the SCSI device. | |
1444 | */ | |
1445 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
1446 | (irsp->un.ulpWord[4] == IOERR_NO_RESOURCES)) { | |
1447 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
1448 | lpfc_adjust_queue_depth(phba); | |
1449 | spin_lock_irqsave(&phba->hbalock, iflag); | |
1450 | } | |
1451 | ||
dea3101e | 1452 | /* Rsp ring <ringno> error: IOCB */ |
1453 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
e8b62011 | 1454 | "0336 Rsp Ring %d error: IOCB Data: " |
92d7f7b0 | 1455 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
e8b62011 | 1456 | pring->ringno, |
92d7f7b0 JS |
1457 | irsp->un.ulpWord[0], |
1458 | irsp->un.ulpWord[1], | |
1459 | irsp->un.ulpWord[2], | |
1460 | irsp->un.ulpWord[3], | |
1461 | irsp->un.ulpWord[4], | |
1462 | irsp->un.ulpWord[5], | |
1463 | *(((uint32_t *) irsp) + 6), | |
1464 | *(((uint32_t *) irsp) + 7)); | |
dea3101e | 1465 | } |
1466 | ||
1467 | switch (type) { | |
1468 | case LPFC_ABORT_IOCB: | |
1469 | case LPFC_SOL_IOCB: | |
1470 | /* | |
1471 | * Idle exchange closed via ABTS from port. No iocb | |
1472 | * resources need to be recovered. | |
1473 | */ | |
1474 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { | |
dca9479b | 1475 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 | 1476 | "0333 IOCB cmd 0x%x" |
dca9479b | 1477 | " processed. Skipping" |
92d7f7b0 | 1478 | " completion\n", |
dca9479b | 1479 | irsp->ulpCommand); |
dea3101e | 1480 | break; |
1481 | } | |
1482 | ||
604a3e30 JB |
1483 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
1484 | &rspiocbq); | |
dea3101e | 1485 | if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { |
b808608b JW |
1486 | if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { |
1487 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, | |
1488 | &rspiocbq); | |
1489 | } else { | |
2e0fef85 JS |
1490 | spin_unlock_irqrestore(&phba->hbalock, |
1491 | iflag); | |
b808608b JW |
1492 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, |
1493 | &rspiocbq); | |
2e0fef85 | 1494 | spin_lock_irqsave(&phba->hbalock, |
b808608b JW |
1495 | iflag); |
1496 | } | |
dea3101e | 1497 | } |
1498 | break; | |
a4bc3379 | 1499 | case LPFC_UNSOL_IOCB: |
2e0fef85 | 1500 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a4bc3379 | 1501 | lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq); |
2e0fef85 | 1502 | spin_lock_irqsave(&phba->hbalock, iflag); |
a4bc3379 | 1503 | break; |
dea3101e | 1504 | default: |
1505 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
1506 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
1507 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
1508 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
1509 | MAX_MSG_DATA); | |
898eb71c JP |
1510 | dev_warn(&((phba->pcidev)->dev), |
1511 | "lpfc%d: %s\n", | |
dea3101e | 1512 | phba->brd_no, adaptermsg); |
1513 | } else { | |
1514 | /* Unknown IOCB command */ | |
1515 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 1516 | "0334 Unknown IOCB command " |
92d7f7b0 | 1517 | "Data: x%x, x%x x%x x%x x%x\n", |
e8b62011 | 1518 | type, irsp->ulpCommand, |
92d7f7b0 JS |
1519 | irsp->ulpStatus, |
1520 | irsp->ulpIoTag, | |
1521 | irsp->ulpContext); | |
dea3101e | 1522 | } |
1523 | break; | |
1524 | } | |
1525 | ||
1526 | /* | |
1527 | * The response IOCB has been processed. Update the ring | |
1528 | * pointer in SLIM. If the port response put pointer has not | |
1529 | * been updated, sync the pgp->rspPutInx and fetch the new port | |
1530 | * response put pointer. | |
1531 | */ | |
ed957684 | 1532 | writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx); |
dea3101e | 1533 | |
1534 | if (pring->rspidx == portRspPut) | |
1535 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1536 | } | |
1537 | ||
1538 | if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) { | |
1539 | pring->stats.iocb_rsp_full++; | |
1540 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
1541 | writel(status, phba->CAregaddr); | |
1542 | readl(phba->CAregaddr); | |
1543 | } | |
1544 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
1545 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
1546 | pring->stats.iocb_cmd_empty++; | |
1547 | ||
1548 | /* Force update of the local copy of cmdGetInx */ | |
1549 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
1550 | lpfc_sli_resume_iocb(phba, pring); | |
1551 | ||
1552 | if ((pring->lpfc_sli_cmd_available)) | |
1553 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
1554 | ||
1555 | } | |
1556 | ||
2e0fef85 | 1557 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e | 1558 | return rc; |
1559 | } | |
1560 | ||
dea3101e | 1561 | int |
2e0fef85 JS |
1562 | lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, |
1563 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 1564 | { |
ed957684 JS |
1565 | struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? |
1566 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : | |
1567 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; | |
dea3101e | 1568 | IOCB_t *entry; |
1569 | IOCB_t *irsp = NULL; | |
1570 | struct lpfc_iocbq *rspiocbp = NULL; | |
1571 | struct lpfc_iocbq *next_iocb; | |
1572 | struct lpfc_iocbq *cmdiocbp; | |
1573 | struct lpfc_iocbq *saveq; | |
dea3101e | 1574 | uint8_t iocb_cmd_type; |
1575 | lpfc_iocb_type type; | |
1576 | uint32_t status, free_saveq; | |
1577 | uint32_t portRspPut, portRspMax; | |
1578 | int rc = 1; | |
1579 | unsigned long iflag; | |
dea3101e | 1580 | |
2e0fef85 | 1581 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 1582 | pring->stats.iocb_event++; |
1583 | ||
dea3101e | 1584 | /* |
1585 | * The next available response entry should never exceed the maximum | |
1586 | * entries. If it does, treat it as an adapter hardware error. | |
1587 | */ | |
1588 | portRspMax = pring->numRiocb; | |
1589 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1590 | if (portRspPut >= portRspMax) { | |
1591 | /* | |
1592 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger then | |
1593 | * rsp ring <portRspMax> | |
1594 | */ | |
ed957684 | 1595 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 1596 | "0303 Ring %d handler: portRspPut %d " |
dea3101e | 1597 | "is bigger then rsp ring %d\n", |
e8b62011 | 1598 | pring->ringno, portRspPut, portRspMax); |
dea3101e | 1599 | |
2e0fef85 JS |
1600 | phba->link_state = LPFC_HBA_ERROR; |
1601 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
dea3101e | 1602 | |
1603 | phba->work_hs = HS_FFER3; | |
1604 | lpfc_handle_eratt(phba); | |
1605 | ||
1606 | return 1; | |
1607 | } | |
1608 | ||
1609 | rmb(); | |
dea3101e | 1610 | while (pring->rspidx != portRspPut) { |
1611 | /* | |
1612 | * Build a completion list and call the appropriate handler. | |
1613 | * The process is to get the next available response iocb, get | |
1614 | * a free iocb from the list, copy the response data into the | |
1615 | * free iocb, insert to the continuation list, and update the | |
1616 | * next response index to slim. This process makes response | |
1617 | * iocb's in the ring available to DMA as fast as possible but | |
1618 | * pays a penalty for a copy operation. Since the iocb is | |
1619 | * only 32 bytes, this penalty is considered small relative to | |
1620 | * the PCI reads for register values and a slim write. When | |
1621 | * the ulpLe field is set, the entire Command has been | |
1622 | * received. | |
1623 | */ | |
ed957684 JS |
1624 | entry = lpfc_resp_iocb(phba, pring); |
1625 | ||
858c9f6c | 1626 | phba->last_completion_time = jiffies; |
2e0fef85 | 1627 | rspiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e | 1628 | if (rspiocbp == NULL) { |
1629 | printk(KERN_ERR "%s: out of buffers! Failing " | |
1630 | "completion.\n", __FUNCTION__); | |
1631 | break; | |
1632 | } | |
1633 | ||
ed957684 JS |
1634 | lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, |
1635 | phba->iocb_rsp_size); | |
dea3101e | 1636 | irsp = &rspiocbp->iocb; |
1637 | ||
1638 | if (++pring->rspidx >= portRspMax) | |
1639 | pring->rspidx = 0; | |
1640 | ||
a58cbd52 JS |
1641 | if (pring->ringno == LPFC_ELS_RING) { |
1642 | lpfc_debugfs_slow_ring_trc(phba, | |
1643 | "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
1644 | *(((uint32_t *) irsp) + 4), | |
1645 | *(((uint32_t *) irsp) + 6), | |
1646 | *(((uint32_t *) irsp) + 7)); | |
1647 | } | |
1648 | ||
ed957684 | 1649 | writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx); |
dea3101e | 1650 | |
9c2face6 | 1651 | list_add_tail(&rspiocbp->list, &(pring->iocb_continueq)); |
dea3101e | 1652 | |
1653 | pring->iocb_continueq_cnt++; | |
1654 | if (irsp->ulpLe) { | |
1655 | /* | |
1656 | * By default, the driver expects to free all resources | |
1657 | * associated with this iocb completion. | |
1658 | */ | |
1659 | free_saveq = 1; | |
1660 | saveq = list_get_first(&pring->iocb_continueq, | |
1661 | struct lpfc_iocbq, list); | |
1662 | irsp = &(saveq->iocb); | |
1663 | list_del_init(&pring->iocb_continueq); | |
1664 | pring->iocb_continueq_cnt = 0; | |
1665 | ||
1666 | pring->stats.iocb_rsp++; | |
1667 | ||
92d7f7b0 JS |
1668 | /* |
1669 | * If resource errors reported from HBA, reduce | |
1670 | * queuedepths of the SCSI device. | |
1671 | */ | |
1672 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
1673 | (irsp->un.ulpWord[4] == IOERR_NO_RESOURCES)) { | |
1674 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
1675 | lpfc_adjust_queue_depth(phba); | |
1676 | spin_lock_irqsave(&phba->hbalock, iflag); | |
1677 | } | |
1678 | ||
dea3101e | 1679 | if (irsp->ulpStatus) { |
1680 | /* Rsp ring <ringno> error: IOCB */ | |
ed957684 | 1681 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 | 1682 | "0328 Rsp Ring %d error: " |
ed957684 JS |
1683 | "IOCB Data: " |
1684 | "x%x x%x x%x x%x " | |
1685 | "x%x x%x x%x x%x " | |
1686 | "x%x x%x x%x x%x " | |
1687 | "x%x x%x x%x x%x\n", | |
ed957684 JS |
1688 | pring->ringno, |
1689 | irsp->un.ulpWord[0], | |
1690 | irsp->un.ulpWord[1], | |
1691 | irsp->un.ulpWord[2], | |
1692 | irsp->un.ulpWord[3], | |
1693 | irsp->un.ulpWord[4], | |
1694 | irsp->un.ulpWord[5], | |
1695 | *(((uint32_t *) irsp) + 6), | |
1696 | *(((uint32_t *) irsp) + 7), | |
1697 | *(((uint32_t *) irsp) + 8), | |
1698 | *(((uint32_t *) irsp) + 9), | |
1699 | *(((uint32_t *) irsp) + 10), | |
1700 | *(((uint32_t *) irsp) + 11), | |
1701 | *(((uint32_t *) irsp) + 12), | |
1702 | *(((uint32_t *) irsp) + 13), | |
1703 | *(((uint32_t *) irsp) + 14), | |
1704 | *(((uint32_t *) irsp) + 15)); | |
dea3101e | 1705 | } |
1706 | ||
1707 | /* | |
1708 | * Fetch the IOCB command type and call the correct | |
1709 | * completion routine. Solicited and Unsolicited | |
1710 | * IOCBs on the ELS ring get freed back to the | |
1711 | * lpfc_iocb_list by the discovery kernel thread. | |
1712 | */ | |
1713 | iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; | |
1714 | type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); | |
1715 | if (type == LPFC_SOL_IOCB) { | |
9c2face6 | 1716 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e | 1717 | rc = lpfc_sli_process_sol_iocb(phba, pring, |
2e0fef85 JS |
1718 | saveq); |
1719 | spin_lock_irqsave(&phba->hbalock, iflag); | |
dea3101e | 1720 | } else if (type == LPFC_UNSOL_IOCB) { |
9c2face6 | 1721 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e | 1722 | rc = lpfc_sli_process_unsol_iocb(phba, pring, |
2e0fef85 JS |
1723 | saveq); |
1724 | spin_lock_irqsave(&phba->hbalock, iflag); | |
9c2face6 JS |
1725 | if (!rc) |
1726 | free_saveq = 0; | |
dea3101e | 1727 | } else if (type == LPFC_ABORT_IOCB) { |
1728 | if ((irsp->ulpCommand != CMD_XRI_ABORTED_CX) && | |
1729 | ((cmdiocbp = | |
604a3e30 JB |
1730 | lpfc_sli_iocbq_lookup(phba, pring, |
1731 | saveq)))) { | |
dea3101e | 1732 | /* Call the specified completion |
1733 | routine */ | |
1734 | if (cmdiocbp->iocb_cmpl) { | |
1735 | spin_unlock_irqrestore( | |
2e0fef85 | 1736 | &phba->hbalock, |
dea3101e | 1737 | iflag); |
1738 | (cmdiocbp->iocb_cmpl) (phba, | |
1739 | cmdiocbp, saveq); | |
1740 | spin_lock_irqsave( | |
2e0fef85 | 1741 | &phba->hbalock, |
dea3101e | 1742 | iflag); |
604a3e30 | 1743 | } else |
2e0fef85 | 1744 | __lpfc_sli_release_iocbq(phba, |
604a3e30 | 1745 | cmdiocbp); |
dea3101e | 1746 | } |
1747 | } else if (type == LPFC_UNKNOWN_IOCB) { | |
1748 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
1749 | ||
1750 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
1751 | ||
1752 | memset(adaptermsg, 0, | |
1753 | LPFC_MAX_ADPTMSG); | |
1754 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
1755 | MAX_MSG_DATA); | |
1756 | dev_warn(&((phba->pcidev)->dev), | |
898eb71c | 1757 | "lpfc%d: %s\n", |
dea3101e | 1758 | phba->brd_no, adaptermsg); |
1759 | } else { | |
1760 | /* Unknown IOCB command */ | |
92d7f7b0 | 1761 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 1762 | "0335 Unknown IOCB " |
92d7f7b0 JS |
1763 | "command Data: x%x " |
1764 | "x%x x%x x%x\n", | |
92d7f7b0 JS |
1765 | irsp->ulpCommand, |
1766 | irsp->ulpStatus, | |
1767 | irsp->ulpIoTag, | |
1768 | irsp->ulpContext); | |
dea3101e | 1769 | } |
1770 | } | |
1771 | ||
1772 | if (free_saveq) { | |
2e0fef85 JS |
1773 | list_for_each_entry_safe(rspiocbp, next_iocb, |
1774 | &saveq->list, list) { | |
1775 | list_del(&rspiocbp->list); | |
1776 | __lpfc_sli_release_iocbq(phba, | |
1777 | rspiocbp); | |
dea3101e | 1778 | } |
2e0fef85 | 1779 | __lpfc_sli_release_iocbq(phba, saveq); |
dea3101e | 1780 | } |
92d7f7b0 | 1781 | rspiocbp = NULL; |
dea3101e | 1782 | } |
1783 | ||
1784 | /* | |
1785 | * If the port response put pointer has not been updated, sync | |
1786 | * the pgp->rspPutInx in the MAILBOX_tand fetch the new port | |
1787 | * response put pointer. | |
1788 | */ | |
1789 | if (pring->rspidx == portRspPut) { | |
1790 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1791 | } | |
1792 | } /* while (pring->rspidx != portRspPut) */ | |
1793 | ||
92d7f7b0 | 1794 | if ((rspiocbp != NULL) && (mask & HA_R0RE_REQ)) { |
dea3101e | 1795 | /* At least one response entry has been freed */ |
1796 | pring->stats.iocb_rsp_full++; | |
1797 | /* SET RxRE_RSP in Chip Att register */ | |
1798 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
1799 | writel(status, phba->CAregaddr); | |
1800 | readl(phba->CAregaddr); /* flush */ | |
1801 | } | |
1802 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
1803 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
1804 | pring->stats.iocb_cmd_empty++; | |
1805 | ||
1806 | /* Force update of the local copy of cmdGetInx */ | |
1807 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
1808 | lpfc_sli_resume_iocb(phba, pring); | |
1809 | ||
1810 | if ((pring->lpfc_sli_cmd_available)) | |
1811 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
1812 | ||
1813 | } | |
1814 | ||
2e0fef85 | 1815 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e | 1816 | return rc; |
1817 | } | |
1818 | ||
2e0fef85 | 1819 | void |
dea3101e | 1820 | lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
1821 | { | |
2534ba75 | 1822 | LIST_HEAD(completions); |
dea3101e | 1823 | struct lpfc_iocbq *iocb, *next_iocb; |
2534ba75 | 1824 | IOCB_t *cmd = NULL; |
dea3101e | 1825 | |
92d7f7b0 JS |
1826 | if (pring->ringno == LPFC_ELS_RING) { |
1827 | lpfc_fabric_abort_hba(phba); | |
1828 | } | |
1829 | ||
dea3101e | 1830 | /* Error everything on txq and txcmplq |
1831 | * First do the txq. | |
1832 | */ | |
2e0fef85 | 1833 | spin_lock_irq(&phba->hbalock); |
2534ba75 | 1834 | list_splice_init(&pring->txq, &completions); |
dea3101e | 1835 | pring->txq_cnt = 0; |
dea3101e | 1836 | |
1837 | /* Next issue ABTS for everything on the txcmplq */ | |
2534ba75 JS |
1838 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) |
1839 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
dea3101e | 1840 | |
2e0fef85 | 1841 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1842 | |
2534ba75 JS |
1843 | while (!list_empty(&completions)) { |
1844 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
1845 | cmd = &iocb->iocb; | |
92d7f7b0 | 1846 | list_del_init(&iocb->list); |
dea3101e | 1847 | |
2e0fef85 JS |
1848 | if (!iocb->iocb_cmpl) |
1849 | lpfc_sli_release_iocbq(phba, iocb); | |
1850 | else { | |
dea3101e | 1851 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
1852 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
dea3101e | 1853 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
2e0fef85 | 1854 | } |
dea3101e | 1855 | } |
dea3101e | 1856 | } |
1857 | ||
41415862 | 1858 | int |
2e0fef85 | 1859 | lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) |
dea3101e | 1860 | { |
41415862 JW |
1861 | uint32_t status; |
1862 | int i = 0; | |
1863 | int retval = 0; | |
dea3101e | 1864 | |
41415862 JW |
1865 | /* Read the HBA Host Status Register */ |
1866 | status = readl(phba->HSregaddr); | |
dea3101e | 1867 | |
41415862 JW |
1868 | /* |
1869 | * Check status register every 100ms for 5 retries, then every | |
1870 | * 500ms for 5, then every 2.5 sec for 5, then reset board and | |
1871 | * every 2.5 sec for 4. | |
1872 | * Break our of the loop if errors occurred during init. | |
1873 | */ | |
1874 | while (((status & mask) != mask) && | |
1875 | !(status & HS_FFERM) && | |
1876 | i++ < 20) { | |
dea3101e | 1877 | |
41415862 JW |
1878 | if (i <= 5) |
1879 | msleep(10); | |
1880 | else if (i <= 10) | |
1881 | msleep(500); | |
1882 | else | |
1883 | msleep(2500); | |
dea3101e | 1884 | |
41415862 | 1885 | if (i == 15) { |
2e0fef85 | 1886 | /* Do post */ |
92d7f7b0 | 1887 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 JW |
1888 | lpfc_sli_brdrestart(phba); |
1889 | } | |
1890 | /* Read the HBA Host Status Register */ | |
1891 | status = readl(phba->HSregaddr); | |
1892 | } | |
dea3101e | 1893 | |
41415862 JW |
1894 | /* Check to see if any errors occurred during init */ |
1895 | if ((status & HS_FFERM) || (i >= 20)) { | |
2e0fef85 | 1896 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 1897 | retval = 1; |
dea3101e | 1898 | } |
dea3101e | 1899 | |
41415862 JW |
1900 | return retval; |
1901 | } | |
dea3101e | 1902 | |
9290831f JS |
1903 | #define BARRIER_TEST_PATTERN (0xdeadbeef) |
1904 | ||
2e0fef85 | 1905 | void lpfc_reset_barrier(struct lpfc_hba *phba) |
9290831f | 1906 | { |
65a29c16 JS |
1907 | uint32_t __iomem *resp_buf; |
1908 | uint32_t __iomem *mbox_buf; | |
9290831f JS |
1909 | volatile uint32_t mbox; |
1910 | uint32_t hc_copy; | |
1911 | int i; | |
1912 | uint8_t hdrtype; | |
1913 | ||
1914 | pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); | |
1915 | if (hdrtype != 0x80 || | |
1916 | (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID && | |
1917 | FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID)) | |
1918 | return; | |
1919 | ||
1920 | /* | |
1921 | * Tell the other part of the chip to suspend temporarily all | |
1922 | * its DMA activity. | |
1923 | */ | |
65a29c16 | 1924 | resp_buf = phba->MBslimaddr; |
9290831f JS |
1925 | |
1926 | /* Disable the error attention */ | |
1927 | hc_copy = readl(phba->HCregaddr); | |
1928 | writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); | |
1929 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 1930 | phba->link_flag |= LS_IGNORE_ERATT; |
9290831f JS |
1931 | |
1932 | if (readl(phba->HAregaddr) & HA_ERATT) { | |
1933 | /* Clear Chip error bit */ | |
1934 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 1935 | phba->pport->stopped = 1; |
9290831f JS |
1936 | } |
1937 | ||
1938 | mbox = 0; | |
1939 | ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD; | |
1940 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP; | |
1941 | ||
1942 | writel(BARRIER_TEST_PATTERN, (resp_buf + 1)); | |
65a29c16 | 1943 | mbox_buf = phba->MBslimaddr; |
9290831f JS |
1944 | writel(mbox, mbox_buf); |
1945 | ||
1946 | for (i = 0; | |
1947 | readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN) && i < 50; i++) | |
1948 | mdelay(1); | |
1949 | ||
1950 | if (readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN)) { | |
1951 | if (phba->sli.sli_flag & LPFC_SLI2_ACTIVE || | |
2e0fef85 | 1952 | phba->pport->stopped) |
9290831f JS |
1953 | goto restore_hc; |
1954 | else | |
1955 | goto clear_errat; | |
1956 | } | |
1957 | ||
1958 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST; | |
1959 | for (i = 0; readl(resp_buf) != mbox && i < 500; i++) | |
1960 | mdelay(1); | |
1961 | ||
1962 | clear_errat: | |
1963 | ||
1964 | while (!(readl(phba->HAregaddr) & HA_ERATT) && ++i < 500) | |
1965 | mdelay(1); | |
1966 | ||
1967 | if (readl(phba->HAregaddr) & HA_ERATT) { | |
1968 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 1969 | phba->pport->stopped = 1; |
9290831f JS |
1970 | } |
1971 | ||
1972 | restore_hc: | |
2e0fef85 | 1973 | phba->link_flag &= ~LS_IGNORE_ERATT; |
9290831f JS |
1974 | writel(hc_copy, phba->HCregaddr); |
1975 | readl(phba->HCregaddr); /* flush */ | |
1976 | } | |
1977 | ||
41415862 | 1978 | int |
2e0fef85 | 1979 | lpfc_sli_brdkill(struct lpfc_hba *phba) |
41415862 JW |
1980 | { |
1981 | struct lpfc_sli *psli; | |
1982 | LPFC_MBOXQ_t *pmb; | |
1983 | uint32_t status; | |
1984 | uint32_t ha_copy; | |
1985 | int retval; | |
1986 | int i = 0; | |
dea3101e | 1987 | |
41415862 | 1988 | psli = &phba->sli; |
dea3101e | 1989 | |
41415862 | 1990 | /* Kill HBA */ |
ed957684 | 1991 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 JS |
1992 | "0329 Kill HBA Data: x%x x%x\n", |
1993 | phba->pport->port_state, psli->sli_flag); | |
41415862 | 1994 | |
98c9ea5c JS |
1995 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1996 | if (!pmb) | |
41415862 | 1997 | return 1; |
41415862 JW |
1998 | |
1999 | /* Disable the error attention */ | |
2e0fef85 | 2000 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
2001 | status = readl(phba->HCregaddr); |
2002 | status &= ~HC_ERINT_ENA; | |
2003 | writel(status, phba->HCregaddr); | |
2004 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 JS |
2005 | phba->link_flag |= LS_IGNORE_ERATT; |
2006 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
2007 | |
2008 | lpfc_kill_board(phba, pmb); | |
2009 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
2010 | retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
2011 | ||
2012 | if (retval != MBX_SUCCESS) { | |
2013 | if (retval != MBX_BUSY) | |
2014 | mempool_free(pmb, phba->mbox_mem_pool); | |
2e0fef85 JS |
2015 | spin_lock_irq(&phba->hbalock); |
2016 | phba->link_flag &= ~LS_IGNORE_ERATT; | |
2017 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
2018 | return 1; |
2019 | } | |
2020 | ||
9290831f JS |
2021 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
2022 | ||
41415862 JW |
2023 | mempool_free(pmb, phba->mbox_mem_pool); |
2024 | ||
2025 | /* There is no completion for a KILL_BOARD mbox cmd. Check for an error | |
2026 | * attention every 100ms for 3 seconds. If we don't get ERATT after | |
2027 | * 3 seconds we still set HBA_ERROR state because the status of the | |
2028 | * board is now undefined. | |
2029 | */ | |
2030 | ha_copy = readl(phba->HAregaddr); | |
2031 | ||
2032 | while ((i++ < 30) && !(ha_copy & HA_ERATT)) { | |
2033 | mdelay(100); | |
2034 | ha_copy = readl(phba->HAregaddr); | |
2035 | } | |
2036 | ||
2037 | del_timer_sync(&psli->mbox_tmo); | |
9290831f JS |
2038 | if (ha_copy & HA_ERATT) { |
2039 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 2040 | phba->pport->stopped = 1; |
9290831f | 2041 | } |
2e0fef85 | 2042 | spin_lock_irq(&phba->hbalock); |
41415862 | 2043 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 JS |
2044 | phba->link_flag &= ~LS_IGNORE_ERATT; |
2045 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
2046 | |
2047 | psli->mbox_active = NULL; | |
2048 | lpfc_hba_down_post(phba); | |
2e0fef85 | 2049 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 2050 | |
2e0fef85 | 2051 | return ha_copy & HA_ERATT ? 0 : 1; |
dea3101e | 2052 | } |
2053 | ||
41415862 | 2054 | int |
2e0fef85 | 2055 | lpfc_sli_brdreset(struct lpfc_hba *phba) |
dea3101e | 2056 | { |
41415862 | 2057 | struct lpfc_sli *psli; |
dea3101e | 2058 | struct lpfc_sli_ring *pring; |
41415862 | 2059 | uint16_t cfg_value; |
dea3101e | 2060 | int i; |
dea3101e | 2061 | |
41415862 | 2062 | psli = &phba->sli; |
dea3101e | 2063 | |
41415862 JW |
2064 | /* Reset HBA */ |
2065 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 2066 | "0325 Reset HBA Data: x%x x%x\n", |
2e0fef85 | 2067 | phba->pport->port_state, psli->sli_flag); |
dea3101e | 2068 | |
2069 | /* perform board reset */ | |
2070 | phba->fc_eventTag = 0; | |
2e0fef85 JS |
2071 | phba->pport->fc_myDID = 0; |
2072 | phba->pport->fc_prevDID = 0; | |
dea3101e | 2073 | |
41415862 JW |
2074 | /* Turn off parity checking and serr during the physical reset */ |
2075 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); | |
2076 | pci_write_config_word(phba->pcidev, PCI_COMMAND, | |
2077 | (cfg_value & | |
2078 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
2079 | ||
1c067a42 | 2080 | psli->sli_flag &= ~(LPFC_SLI2_ACTIVE | LPFC_PROCESS_LA); |
41415862 JW |
2081 | /* Now toggle INITFF bit in the Host Control Register */ |
2082 | writel(HC_INITFF, phba->HCregaddr); | |
2083 | mdelay(1); | |
2084 | readl(phba->HCregaddr); /* flush */ | |
2085 | writel(0, phba->HCregaddr); | |
2086 | readl(phba->HCregaddr); /* flush */ | |
2087 | ||
2088 | /* Restore PCI cmd register */ | |
2089 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
dea3101e | 2090 | |
2091 | /* Initialize relevant SLI info */ | |
41415862 JW |
2092 | for (i = 0; i < psli->num_rings; i++) { |
2093 | pring = &psli->ring[i]; | |
dea3101e | 2094 | pring->flag = 0; |
2095 | pring->rspidx = 0; | |
2096 | pring->next_cmdidx = 0; | |
2097 | pring->local_getidx = 0; | |
2098 | pring->cmdidx = 0; | |
2099 | pring->missbufcnt = 0; | |
2100 | } | |
dea3101e | 2101 | |
2e0fef85 | 2102 | phba->link_state = LPFC_WARM_START; |
41415862 JW |
2103 | return 0; |
2104 | } | |
2105 | ||
2106 | int | |
2e0fef85 | 2107 | lpfc_sli_brdrestart(struct lpfc_hba *phba) |
41415862 JW |
2108 | { |
2109 | MAILBOX_t *mb; | |
2110 | struct lpfc_sli *psli; | |
2111 | uint16_t skip_post; | |
2112 | volatile uint32_t word0; | |
2113 | void __iomem *to_slim; | |
2114 | ||
2e0fef85 | 2115 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
2116 | |
2117 | psli = &phba->sli; | |
2118 | ||
2119 | /* Restart HBA */ | |
2120 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 2121 | "0337 Restart HBA Data: x%x x%x\n", |
2e0fef85 | 2122 | phba->pport->port_state, psli->sli_flag); |
41415862 JW |
2123 | |
2124 | word0 = 0; | |
2125 | mb = (MAILBOX_t *) &word0; | |
2126 | mb->mbxCommand = MBX_RESTART; | |
2127 | mb->mbxHc = 1; | |
2128 | ||
9290831f JS |
2129 | lpfc_reset_barrier(phba); |
2130 | ||
41415862 JW |
2131 | to_slim = phba->MBslimaddr; |
2132 | writel(*(uint32_t *) mb, to_slim); | |
2133 | readl(to_slim); /* flush */ | |
2134 | ||
2135 | /* Only skip post after fc_ffinit is completed */ | |
2e0fef85 | 2136 | if (phba->pport->port_state) { |
41415862 JW |
2137 | skip_post = 1; |
2138 | word0 = 1; /* This is really setting up word1 */ | |
dea3101e | 2139 | } else { |
41415862 JW |
2140 | skip_post = 0; |
2141 | word0 = 0; /* This is really setting up word1 */ | |
dea3101e | 2142 | } |
65a29c16 | 2143 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
41415862 JW |
2144 | writel(*(uint32_t *) mb, to_slim); |
2145 | readl(to_slim); /* flush */ | |
dea3101e | 2146 | |
41415862 | 2147 | lpfc_sli_brdreset(phba); |
2e0fef85 JS |
2148 | phba->pport->stopped = 0; |
2149 | phba->link_state = LPFC_INIT_START; | |
41415862 | 2150 | |
2e0fef85 | 2151 | spin_unlock_irq(&phba->hbalock); |
41415862 | 2152 | |
64ba8818 JS |
2153 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); |
2154 | psli->stats_start = get_seconds(); | |
2155 | ||
41415862 JW |
2156 | if (skip_post) |
2157 | mdelay(100); | |
2158 | else | |
2159 | mdelay(2000); | |
2160 | ||
2161 | lpfc_hba_down_post(phba); | |
dea3101e | 2162 | |
2163 | return 0; | |
2164 | } | |
2165 | ||
2166 | static int | |
2167 | lpfc_sli_chipset_init(struct lpfc_hba *phba) | |
2168 | { | |
2169 | uint32_t status, i = 0; | |
2170 | ||
2171 | /* Read the HBA Host Status Register */ | |
2172 | status = readl(phba->HSregaddr); | |
2173 | ||
2174 | /* Check status register to see what current state is */ | |
2175 | i = 0; | |
2176 | while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) { | |
2177 | ||
2178 | /* Check every 100ms for 5 retries, then every 500ms for 5, then | |
2179 | * every 2.5 sec for 5, then reset board and every 2.5 sec for | |
2180 | * 4. | |
2181 | */ | |
2182 | if (i++ >= 20) { | |
2183 | /* Adapter failed to init, timeout, status reg | |
2184 | <status> */ | |
ed957684 | 2185 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 2186 | "0436 Adapter failed to init, " |
09372820 JS |
2187 | "timeout, status reg x%x, " |
2188 | "FW Data: A8 x%x AC x%x\n", status, | |
2189 | readl(phba->MBslimaddr + 0xa8), | |
2190 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 2191 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2192 | return -ETIMEDOUT; |
2193 | } | |
2194 | ||
2195 | /* Check to see if any errors occurred during init */ | |
2196 | if (status & HS_FFERM) { | |
2197 | /* ERROR: During chipset initialization */ | |
2198 | /* Adapter failed to init, chipset, status reg | |
2199 | <status> */ | |
ed957684 | 2200 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 2201 | "0437 Adapter failed to init, " |
09372820 JS |
2202 | "chipset, status reg x%x, " |
2203 | "FW Data: A8 x%x AC x%x\n", status, | |
2204 | readl(phba->MBslimaddr + 0xa8), | |
2205 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 2206 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2207 | return -EIO; |
2208 | } | |
2209 | ||
2210 | if (i <= 5) { | |
2211 | msleep(10); | |
2212 | } else if (i <= 10) { | |
2213 | msleep(500); | |
2214 | } else { | |
2215 | msleep(2500); | |
2216 | } | |
2217 | ||
2218 | if (i == 15) { | |
2e0fef85 | 2219 | /* Do post */ |
92d7f7b0 | 2220 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 2221 | lpfc_sli_brdrestart(phba); |
dea3101e | 2222 | } |
2223 | /* Read the HBA Host Status Register */ | |
2224 | status = readl(phba->HSregaddr); | |
2225 | } | |
2226 | ||
2227 | /* Check to see if any errors occurred during init */ | |
2228 | if (status & HS_FFERM) { | |
2229 | /* ERROR: During chipset initialization */ | |
2230 | /* Adapter failed to init, chipset, status reg <status> */ | |
ed957684 | 2231 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 2232 | "0438 Adapter failed to init, chipset, " |
09372820 JS |
2233 | "status reg x%x, " |
2234 | "FW Data: A8 x%x AC x%x\n", status, | |
2235 | readl(phba->MBslimaddr + 0xa8), | |
2236 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 2237 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2238 | return -EIO; |
2239 | } | |
2240 | ||
2241 | /* Clear all interrupt enable conditions */ | |
2242 | writel(0, phba->HCregaddr); | |
2243 | readl(phba->HCregaddr); /* flush */ | |
2244 | ||
2245 | /* setup host attn register */ | |
2246 | writel(0xffffffff, phba->HAregaddr); | |
2247 | readl(phba->HAregaddr); /* flush */ | |
2248 | return 0; | |
2249 | } | |
2250 | ||
78b2d852 | 2251 | int |
ed957684 JS |
2252 | lpfc_sli_hbq_count(void) |
2253 | { | |
92d7f7b0 | 2254 | return ARRAY_SIZE(lpfc_hbq_defs); |
ed957684 JS |
2255 | } |
2256 | ||
2257 | static int | |
2258 | lpfc_sli_hbq_entry_count(void) | |
2259 | { | |
2260 | int hbq_count = lpfc_sli_hbq_count(); | |
2261 | int count = 0; | |
2262 | int i; | |
2263 | ||
2264 | for (i = 0; i < hbq_count; ++i) | |
92d7f7b0 | 2265 | count += lpfc_hbq_defs[i]->entry_count; |
ed957684 JS |
2266 | return count; |
2267 | } | |
2268 | ||
dea3101e | 2269 | int |
ed957684 JS |
2270 | lpfc_sli_hbq_size(void) |
2271 | { | |
2272 | return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry); | |
2273 | } | |
2274 | ||
2275 | static int | |
2276 | lpfc_sli_hbq_setup(struct lpfc_hba *phba) | |
2277 | { | |
2278 | int hbq_count = lpfc_sli_hbq_count(); | |
2279 | LPFC_MBOXQ_t *pmb; | |
2280 | MAILBOX_t *pmbox; | |
2281 | uint32_t hbqno; | |
2282 | uint32_t hbq_entry_index; | |
ed957684 | 2283 | |
92d7f7b0 JS |
2284 | /* Get a Mailbox buffer to setup mailbox |
2285 | * commands for HBA initialization | |
2286 | */ | |
ed957684 JS |
2287 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2288 | ||
2289 | if (!pmb) | |
2290 | return -ENOMEM; | |
2291 | ||
2292 | pmbox = &pmb->mb; | |
2293 | ||
2294 | /* Initialize the struct lpfc_sli_hbq structure for each hbq */ | |
2295 | phba->link_state = LPFC_INIT_MBX_CMDS; | |
2296 | ||
2297 | hbq_entry_index = 0; | |
2298 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) { | |
2299 | phba->hbqs[hbqno].next_hbqPutIdx = 0; | |
2300 | phba->hbqs[hbqno].hbqPutIdx = 0; | |
2301 | phba->hbqs[hbqno].local_hbqGetIdx = 0; | |
2302 | phba->hbqs[hbqno].entry_count = | |
92d7f7b0 | 2303 | lpfc_hbq_defs[hbqno]->entry_count; |
51ef4c26 JS |
2304 | lpfc_config_hbq(phba, hbqno, lpfc_hbq_defs[hbqno], |
2305 | hbq_entry_index, pmb); | |
ed957684 JS |
2306 | hbq_entry_index += phba->hbqs[hbqno].entry_count; |
2307 | ||
2308 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { | |
2309 | /* Adapter failed to init, mbxCmd <cmd> CFG_RING, | |
2310 | mbxStatus <status>, ring <num> */ | |
2311 | ||
2312 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 2313 | LOG_SLI | LOG_VPORT, |
e8b62011 | 2314 | "1805 Adapter failed to init. " |
ed957684 | 2315 | "Data: x%x x%x x%x\n", |
e8b62011 | 2316 | pmbox->mbxCommand, |
ed957684 JS |
2317 | pmbox->mbxStatus, hbqno); |
2318 | ||
2319 | phba->link_state = LPFC_HBA_ERROR; | |
2320 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 JS |
2321 | return ENXIO; |
2322 | } | |
2323 | } | |
2324 | phba->hbq_count = hbq_count; | |
2325 | ||
ed957684 JS |
2326 | mempool_free(pmb, phba->mbox_mem_pool); |
2327 | ||
92d7f7b0 JS |
2328 | /* Initially populate or replenish the HBQs */ |
2329 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) { | |
2330 | if (lpfc_sli_hbqbuf_init_hbqs(phba, hbqno)) | |
2331 | return -ENOMEM; | |
2332 | } | |
ed957684 JS |
2333 | return 0; |
2334 | } | |
2335 | ||
2336 | static int | |
2337 | lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode) | |
dea3101e | 2338 | { |
2339 | LPFC_MBOXQ_t *pmb; | |
2340 | uint32_t resetcount = 0, rc = 0, done = 0; | |
2341 | ||
2342 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2343 | if (!pmb) { | |
2e0fef85 | 2344 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2345 | return -ENOMEM; |
2346 | } | |
2347 | ||
ed957684 | 2348 | phba->sli_rev = sli_mode; |
dea3101e | 2349 | while (resetcount < 2 && !done) { |
2e0fef85 | 2350 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 2351 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 2352 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 2353 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 2354 | lpfc_sli_brdrestart(phba); |
dea3101e | 2355 | msleep(2500); |
2356 | rc = lpfc_sli_chipset_init(phba); | |
2357 | if (rc) | |
2358 | break; | |
2359 | ||
2e0fef85 | 2360 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 2361 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 2362 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2363 | resetcount++; |
2364 | ||
ed957684 JS |
2365 | /* Call pre CONFIG_PORT mailbox command initialization. A |
2366 | * value of 0 means the call was successful. Any other | |
2367 | * nonzero value is a failure, but if ERESTART is returned, | |
2368 | * the driver may reset the HBA and try again. | |
2369 | */ | |
dea3101e | 2370 | rc = lpfc_config_port_prep(phba); |
2371 | if (rc == -ERESTART) { | |
ed957684 | 2372 | phba->link_state = LPFC_LINK_UNKNOWN; |
dea3101e | 2373 | continue; |
2374 | } else if (rc) { | |
2375 | break; | |
2376 | } | |
2377 | ||
2e0fef85 | 2378 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e | 2379 | lpfc_config_port(phba, pmb); |
2380 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
ed957684 | 2381 | if (rc != MBX_SUCCESS) { |
dea3101e | 2382 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 2383 | "0442 Adapter failed to init, mbxCmd x%x " |
92d7f7b0 | 2384 | "CONFIG_PORT, mbxStatus x%x Data: x%x\n", |
e8b62011 | 2385 | pmb->mb.mbxCommand, pmb->mb.mbxStatus, 0); |
2e0fef85 | 2386 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2387 | phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE; |
2e0fef85 JS |
2388 | spin_unlock_irq(&phba->hbalock); |
2389 | rc = -ENXIO; | |
ed957684 JS |
2390 | } else { |
2391 | done = 1; | |
92d7f7b0 JS |
2392 | phba->max_vpi = (phba->max_vpi && |
2393 | pmb->mb.un.varCfgPort.gmv) != 0 | |
2394 | ? pmb->mb.un.varCfgPort.max_vpi | |
2395 | : 0; | |
dea3101e | 2396 | } |
2397 | } | |
ed957684 JS |
2398 | |
2399 | if (!done) { | |
2400 | rc = -EINVAL; | |
2401 | goto do_prep_failed; | |
2402 | } | |
2403 | ||
2404 | if ((pmb->mb.un.varCfgPort.sli_mode == 3) && | |
92d7f7b0 | 2405 | (!pmb->mb.un.varCfgPort.cMA)) { |
ed957684 | 2406 | rc = -ENXIO; |
ed957684 | 2407 | } |
ed957684 | 2408 | |
92d7f7b0 | 2409 | do_prep_failed: |
ed957684 JS |
2410 | mempool_free(pmb, phba->mbox_mem_pool); |
2411 | return rc; | |
2412 | } | |
2413 | ||
2414 | int | |
2415 | lpfc_sli_hba_setup(struct lpfc_hba *phba) | |
2416 | { | |
2417 | uint32_t rc; | |
92d7f7b0 | 2418 | int mode = 3; |
ed957684 JS |
2419 | |
2420 | switch (lpfc_sli_mode) { | |
2421 | case 2: | |
78b2d852 | 2422 | if (phba->cfg_enable_npiv) { |
92d7f7b0 | 2423 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
e8b62011 | 2424 | "1824 NPIV enabled: Override lpfc_sli_mode " |
92d7f7b0 | 2425 | "parameter (%d) to auto (0).\n", |
e8b62011 | 2426 | lpfc_sli_mode); |
92d7f7b0 JS |
2427 | break; |
2428 | } | |
ed957684 JS |
2429 | mode = 2; |
2430 | break; | |
2431 | case 0: | |
2432 | case 3: | |
2433 | break; | |
2434 | default: | |
92d7f7b0 | 2435 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
e8b62011 JS |
2436 | "1819 Unrecognized lpfc_sli_mode " |
2437 | "parameter: %d.\n", lpfc_sli_mode); | |
ed957684 JS |
2438 | |
2439 | break; | |
2440 | } | |
2441 | ||
2442 | rc = lpfc_do_config_port(phba, mode); | |
2443 | if (rc && lpfc_sli_mode == 3) | |
92d7f7b0 | 2444 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
e8b62011 JS |
2445 | "1820 Unable to select SLI-3. " |
2446 | "Not supported by adapter.\n"); | |
ed957684 JS |
2447 | if (rc && mode != 2) |
2448 | rc = lpfc_do_config_port(phba, 2); | |
2449 | if (rc) | |
dea3101e | 2450 | goto lpfc_sli_hba_setup_error; |
2451 | ||
ed957684 JS |
2452 | if (phba->sli_rev == 3) { |
2453 | phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE; | |
2454 | phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE; | |
2455 | phba->sli3_options |= LPFC_SLI3_ENABLED; | |
2456 | phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED; | |
2457 | ||
2458 | } else { | |
2459 | phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE; | |
2460 | phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE; | |
92d7f7b0 | 2461 | phba->sli3_options = 0; |
ed957684 JS |
2462 | } |
2463 | ||
2464 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2465 | "0444 Firmware in SLI %x mode. Max_vpi %d\n", |
2466 | phba->sli_rev, phba->max_vpi); | |
ed957684 | 2467 | rc = lpfc_sli_ring_map(phba); |
dea3101e | 2468 | |
2469 | if (rc) | |
2470 | goto lpfc_sli_hba_setup_error; | |
2471 | ||
92d7f7b0 | 2472 | /* Init HBQs */ |
ed957684 JS |
2473 | |
2474 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { | |
2475 | rc = lpfc_sli_hbq_setup(phba); | |
2476 | if (rc) | |
2477 | goto lpfc_sli_hba_setup_error; | |
2478 | } | |
2479 | ||
dea3101e | 2480 | phba->sli.sli_flag |= LPFC_PROCESS_LA; |
2481 | ||
2482 | rc = lpfc_config_port_post(phba); | |
2483 | if (rc) | |
2484 | goto lpfc_sli_hba_setup_error; | |
2485 | ||
ed957684 JS |
2486 | return rc; |
2487 | ||
92d7f7b0 | 2488 | lpfc_sli_hba_setup_error: |
2e0fef85 | 2489 | phba->link_state = LPFC_HBA_ERROR; |
ed957684 | 2490 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 2491 | "0445 Firmware initialization failed\n"); |
dea3101e | 2492 | return rc; |
2493 | } | |
2494 | ||
dea3101e | 2495 | /*! lpfc_mbox_timeout |
2496 | * | |
2497 | * \pre | |
2498 | * \post | |
2499 | * \param hba Pointer to per struct lpfc_hba structure | |
2500 | * \param l1 Pointer to the driver's mailbox queue. | |
2501 | * \return | |
2502 | * void | |
2503 | * | |
2504 | * \b Description: | |
2505 | * | |
2506 | * This routine handles mailbox timeout events at timer interrupt context. | |
2507 | */ | |
2508 | void | |
2509 | lpfc_mbox_timeout(unsigned long ptr) | |
2510 | { | |
92d7f7b0 | 2511 | struct lpfc_hba *phba = (struct lpfc_hba *) ptr; |
dea3101e | 2512 | unsigned long iflag; |
2e0fef85 | 2513 | uint32_t tmo_posted; |
dea3101e | 2514 | |
2e0fef85 | 2515 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
92d7f7b0 | 2516 | tmo_posted = phba->pport->work_port_events & WORKER_MBOX_TMO; |
2e0fef85 JS |
2517 | if (!tmo_posted) |
2518 | phba->pport->work_port_events |= WORKER_MBOX_TMO; | |
2519 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
2520 | ||
2521 | if (!tmo_posted) { | |
92d7f7b0 | 2522 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 2523 | if (phba->work_wait) |
92d7f7b0 JS |
2524 | lpfc_worker_wake_up(phba); |
2525 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
dea3101e | 2526 | } |
dea3101e | 2527 | } |
2528 | ||
2529 | void | |
2530 | lpfc_mbox_timeout_handler(struct lpfc_hba *phba) | |
2531 | { | |
2e0fef85 JS |
2532 | LPFC_MBOXQ_t *pmbox = phba->sli.mbox_active; |
2533 | MAILBOX_t *mb = &pmbox->mb; | |
1dcb58e5 JS |
2534 | struct lpfc_sli *psli = &phba->sli; |
2535 | struct lpfc_sli_ring *pring; | |
dea3101e | 2536 | |
2e0fef85 | 2537 | if (!(phba->pport->work_port_events & WORKER_MBOX_TMO)) { |
dea3101e | 2538 | return; |
2539 | } | |
2540 | ||
dea3101e | 2541 | /* Mbox cmd <mbxCommand> timeout */ |
ed957684 | 2542 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
e8b62011 | 2543 | "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", |
92d7f7b0 JS |
2544 | mb->mbxCommand, |
2545 | phba->pport->port_state, | |
2546 | phba->sli.sli_flag, | |
2547 | phba->sli.mbox_active); | |
dea3101e | 2548 | |
1dcb58e5 JS |
2549 | /* Setting state unknown so lpfc_sli_abort_iocb_ring |
2550 | * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing | |
2551 | * it to fail all oustanding SCSI IO. | |
2552 | */ | |
2e0fef85 JS |
2553 | spin_lock_irq(&phba->pport->work_port_lock); |
2554 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
2555 | spin_unlock_irq(&phba->pport->work_port_lock); | |
2556 | spin_lock_irq(&phba->hbalock); | |
2557 | phba->link_state = LPFC_LINK_UNKNOWN; | |
2558 | phba->pport->fc_flag |= FC_ESTABLISH_LINK; | |
1dcb58e5 | 2559 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
2e0fef85 | 2560 | spin_unlock_irq(&phba->hbalock); |
1dcb58e5 JS |
2561 | |
2562 | pring = &psli->ring[psli->fcp_ring]; | |
2563 | lpfc_sli_abort_iocb_ring(phba, pring); | |
2564 | ||
2565 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
76bb24ef | 2566 | "0345 Resetting board due to mailbox timeout\n"); |
1dcb58e5 JS |
2567 | /* |
2568 | * lpfc_offline calls lpfc_sli_hba_down which will clean up | |
2569 | * on oustanding mailbox commands. | |
2570 | */ | |
13815c83 JS |
2571 | /* If resets are disabled then set error state and return. */ |
2572 | if (!phba->cfg_enable_hba_reset) { | |
2573 | phba->link_state = LPFC_HBA_ERROR; | |
2574 | return; | |
2575 | } | |
1dcb58e5 JS |
2576 | lpfc_offline_prep(phba); |
2577 | lpfc_offline(phba); | |
2578 | lpfc_sli_brdrestart(phba); | |
2579 | if (lpfc_online(phba) == 0) /* Initialize the HBA */ | |
2580 | mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); | |
2581 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 2582 | return; |
2583 | } | |
2584 | ||
2585 | int | |
2e0fef85 | 2586 | lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) |
dea3101e | 2587 | { |
dea3101e | 2588 | MAILBOX_t *mb; |
2e0fef85 | 2589 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 2590 | uint32_t status, evtctr; |
2591 | uint32_t ha_copy; | |
2592 | int i; | |
09372820 | 2593 | unsigned long timeout; |
dea3101e | 2594 | unsigned long drvr_flag = 0; |
2595 | volatile uint32_t word0, ldata; | |
2596 | void __iomem *to_slim; | |
2597 | ||
ed957684 | 2598 | if (pmbox->mbox_cmpl && pmbox->mbox_cmpl != lpfc_sli_def_mbox_cmpl && |
92d7f7b0 | 2599 | pmbox->mbox_cmpl != lpfc_sli_wake_mbox_wait) { |
ed957684 JS |
2600 | if(!pmbox->vport) { |
2601 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 2602 | LOG_MBOX | LOG_VPORT, |
e8b62011 | 2603 | "1806 Mbox x%x failed. No vport\n", |
ed957684 JS |
2604 | pmbox->mb.mbxCommand); |
2605 | dump_stack(); | |
fa4066b6 | 2606 | return MBX_NOT_FINISHED; |
ed957684 JS |
2607 | } |
2608 | } | |
2609 | ||
92d7f7b0 | 2610 | |
8d63f375 LV |
2611 | /* If the PCI channel is in offline state, do not post mbox. */ |
2612 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
2613 | return MBX_NOT_FINISHED; | |
2614 | ||
2e0fef85 | 2615 | spin_lock_irqsave(&phba->hbalock, drvr_flag); |
dea3101e | 2616 | psli = &phba->sli; |
92d7f7b0 JS |
2617 | |
2618 | ||
dea3101e | 2619 | mb = &pmbox->mb; |
2620 | status = MBX_SUCCESS; | |
2621 | ||
2e0fef85 JS |
2622 | if (phba->link_state == LPFC_HBA_ERROR) { |
2623 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
41415862 JW |
2624 | |
2625 | /* Mbox command <mbxCommand> cannot issue */ | |
7f5f3d0d | 2626 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag); |
2e0fef85 | 2627 | return MBX_NOT_FINISHED; |
41415862 JW |
2628 | } |
2629 | ||
9290831f JS |
2630 | if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT && |
2631 | !(readl(phba->HCregaddr) & HC_MBINT_ENA)) { | |
2e0fef85 | 2632 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
7f5f3d0d | 2633 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag); |
2e0fef85 | 2634 | return MBX_NOT_FINISHED; |
9290831f JS |
2635 | } |
2636 | ||
dea3101e | 2637 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { |
2638 | /* Polling for a mbox command when another one is already active | |
2639 | * is not allowed in SLI. Also, the driver must have established | |
2640 | * SLI2 mode to queue and process multiple mbox commands. | |
2641 | */ | |
2642 | ||
2643 | if (flag & MBX_POLL) { | |
2e0fef85 | 2644 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 2645 | |
2646 | /* Mbox command <mbxCommand> cannot issue */ | |
92d7f7b0 | 2647 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag); |
2e0fef85 | 2648 | return MBX_NOT_FINISHED; |
dea3101e | 2649 | } |
2650 | ||
2651 | if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) { | |
2e0fef85 | 2652 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 2653 | /* Mbox command <mbxCommand> cannot issue */ |
92d7f7b0 | 2654 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag); |
2e0fef85 | 2655 | return MBX_NOT_FINISHED; |
dea3101e | 2656 | } |
2657 | ||
dea3101e | 2658 | /* Another mailbox command is still being processed, queue this |
2659 | * command to be processed later. | |
2660 | */ | |
2661 | lpfc_mbox_put(phba, pmbox); | |
2662 | ||
2663 | /* Mbox cmd issue - BUSY */ | |
ed957684 | 2664 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 2665 | "(%d):0308 Mbox cmd issue - BUSY Data: " |
92d7f7b0 | 2666 | "x%x x%x x%x x%x\n", |
92d7f7b0 JS |
2667 | pmbox->vport ? pmbox->vport->vpi : 0xffffff, |
2668 | mb->mbxCommand, phba->pport->port_state, | |
2669 | psli->sli_flag, flag); | |
dea3101e | 2670 | |
2671 | psli->slistat.mbox_busy++; | |
2e0fef85 | 2672 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 2673 | |
858c9f6c JS |
2674 | if (pmbox->vport) { |
2675 | lpfc_debugfs_disc_trc(pmbox->vport, | |
2676 | LPFC_DISC_TRC_MBOX_VPORT, | |
2677 | "MBOX Bsy vport: cmd:x%x mb:x%x x%x", | |
2678 | (uint32_t)mb->mbxCommand, | |
2679 | mb->un.varWords[0], mb->un.varWords[1]); | |
2680 | } | |
2681 | else { | |
2682 | lpfc_debugfs_disc_trc(phba->pport, | |
2683 | LPFC_DISC_TRC_MBOX, | |
2684 | "MBOX Bsy: cmd:x%x mb:x%x x%x", | |
2685 | (uint32_t)mb->mbxCommand, | |
2686 | mb->un.varWords[0], mb->un.varWords[1]); | |
2687 | } | |
2688 | ||
2e0fef85 | 2689 | return MBX_BUSY; |
dea3101e | 2690 | } |
2691 | ||
dea3101e | 2692 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
2693 | ||
2694 | /* If we are not polling, we MUST be in SLI2 mode */ | |
2695 | if (flag != MBX_POLL) { | |
41415862 JW |
2696 | if (!(psli->sli_flag & LPFC_SLI2_ACTIVE) && |
2697 | (mb->mbxCommand != MBX_KILL_BOARD)) { | |
dea3101e | 2698 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 2699 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 2700 | /* Mbox command <mbxCommand> cannot issue */ |
92d7f7b0 | 2701 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag); |
2e0fef85 | 2702 | return MBX_NOT_FINISHED; |
dea3101e | 2703 | } |
2704 | /* timeout active mbox command */ | |
a309a6b6 JS |
2705 | mod_timer(&psli->mbox_tmo, (jiffies + |
2706 | (HZ * lpfc_mbox_tmo_val(phba, mb->mbxCommand)))); | |
dea3101e | 2707 | } |
2708 | ||
2709 | /* Mailbox cmd <cmd> issue */ | |
ed957684 | 2710 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 2711 | "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x " |
92d7f7b0 | 2712 | "x%x\n", |
e8b62011 | 2713 | pmbox->vport ? pmbox->vport->vpi : 0, |
92d7f7b0 JS |
2714 | mb->mbxCommand, phba->pport->port_state, |
2715 | psli->sli_flag, flag); | |
dea3101e | 2716 | |
858c9f6c JS |
2717 | if (mb->mbxCommand != MBX_HEARTBEAT) { |
2718 | if (pmbox->vport) { | |
2719 | lpfc_debugfs_disc_trc(pmbox->vport, | |
2720 | LPFC_DISC_TRC_MBOX_VPORT, | |
2721 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
2722 | (uint32_t)mb->mbxCommand, | |
2723 | mb->un.varWords[0], mb->un.varWords[1]); | |
2724 | } | |
2725 | else { | |
2726 | lpfc_debugfs_disc_trc(phba->pport, | |
2727 | LPFC_DISC_TRC_MBOX, | |
2728 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
2729 | (uint32_t)mb->mbxCommand, | |
2730 | mb->un.varWords[0], mb->un.varWords[1]); | |
2731 | } | |
2732 | } | |
2733 | ||
dea3101e | 2734 | psli->slistat.mbox_cmd++; |
2735 | evtctr = psli->slistat.mbox_event; | |
2736 | ||
2737 | /* next set own bit for the adapter and copy over command word */ | |
2738 | mb->mbxOwner = OWN_CHIP; | |
2739 | ||
2740 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { | |
dea3101e | 2741 | /* First copy command data to host SLIM area */ |
4cc2da1d | 2742 | lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, MAILBOX_CMD_SIZE); |
dea3101e | 2743 | } else { |
9290831f | 2744 | if (mb->mbxCommand == MBX_CONFIG_PORT) { |
dea3101e | 2745 | /* copy command data into host mbox for cmpl */ |
4cc2da1d | 2746 | lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, |
92d7f7b0 | 2747 | MAILBOX_CMD_SIZE); |
dea3101e | 2748 | } |
2749 | ||
2750 | /* First copy mbox command data to HBA SLIM, skip past first | |
2751 | word */ | |
2752 | to_slim = phba->MBslimaddr + sizeof (uint32_t); | |
2753 | lpfc_memcpy_to_slim(to_slim, &mb->un.varWords[0], | |
2754 | MAILBOX_CMD_SIZE - sizeof (uint32_t)); | |
2755 | ||
2756 | /* Next copy over first word, with mbxOwner set */ | |
2757 | ldata = *((volatile uint32_t *)mb); | |
2758 | to_slim = phba->MBslimaddr; | |
2759 | writel(ldata, to_slim); | |
2760 | readl(to_slim); /* flush */ | |
2761 | ||
2762 | if (mb->mbxCommand == MBX_CONFIG_PORT) { | |
2763 | /* switch over to host mailbox */ | |
2764 | psli->sli_flag |= LPFC_SLI2_ACTIVE; | |
2765 | } | |
2766 | } | |
2767 | ||
2768 | wmb(); | |
dea3101e | 2769 | |
2770 | switch (flag) { | |
2771 | case MBX_NOWAIT: | |
09372820 | 2772 | /* Set up reference to mailbox command */ |
dea3101e | 2773 | psli->mbox_active = pmbox; |
09372820 JS |
2774 | /* Interrupt board to do it */ |
2775 | writel(CA_MBATT, phba->CAregaddr); | |
2776 | readl(phba->CAregaddr); /* flush */ | |
2777 | /* Don't wait for it to finish, just return */ | |
dea3101e | 2778 | break; |
2779 | ||
2780 | case MBX_POLL: | |
09372820 | 2781 | /* Set up null reference to mailbox command */ |
dea3101e | 2782 | psli->mbox_active = NULL; |
09372820 JS |
2783 | /* Interrupt board to do it */ |
2784 | writel(CA_MBATT, phba->CAregaddr); | |
2785 | readl(phba->CAregaddr); /* flush */ | |
2786 | ||
dea3101e | 2787 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
2788 | /* First read mbox status word */ | |
4cc2da1d | 2789 | word0 = *((volatile uint32_t *)&phba->slim2p->mbx); |
dea3101e | 2790 | word0 = le32_to_cpu(word0); |
2791 | } else { | |
2792 | /* First read mbox status word */ | |
2793 | word0 = readl(phba->MBslimaddr); | |
2794 | } | |
2795 | ||
2796 | /* Read the HBA Host Attention Register */ | |
2797 | ha_copy = readl(phba->HAregaddr); | |
09372820 JS |
2798 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, |
2799 | mb->mbxCommand) * | |
2800 | 1000) + jiffies; | |
2801 | i = 0; | |
dea3101e | 2802 | /* Wait for command to complete */ |
41415862 JW |
2803 | while (((word0 & OWN_CHIP) == OWN_CHIP) || |
2804 | (!(ha_copy & HA_MBATT) && | |
2e0fef85 | 2805 | (phba->link_state > LPFC_WARM_START))) { |
09372820 | 2806 | if (time_after(jiffies, timeout)) { |
dea3101e | 2807 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 2808 | spin_unlock_irqrestore(&phba->hbalock, |
dea3101e | 2809 | drvr_flag); |
2e0fef85 | 2810 | return MBX_NOT_FINISHED; |
dea3101e | 2811 | } |
2812 | ||
2813 | /* Check if we took a mbox interrupt while we were | |
2814 | polling */ | |
2815 | if (((word0 & OWN_CHIP) != OWN_CHIP) | |
2816 | && (evtctr != psli->slistat.mbox_event)) | |
2817 | break; | |
2818 | ||
09372820 JS |
2819 | if (i++ > 10) { |
2820 | spin_unlock_irqrestore(&phba->hbalock, | |
2821 | drvr_flag); | |
2822 | msleep(1); | |
2823 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
2824 | } | |
dea3101e | 2825 | |
2826 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { | |
2827 | /* First copy command data */ | |
4cc2da1d JSEC |
2828 | word0 = *((volatile uint32_t *) |
2829 | &phba->slim2p->mbx); | |
dea3101e | 2830 | word0 = le32_to_cpu(word0); |
2831 | if (mb->mbxCommand == MBX_CONFIG_PORT) { | |
2832 | MAILBOX_t *slimmb; | |
2833 | volatile uint32_t slimword0; | |
2834 | /* Check real SLIM for any errors */ | |
2835 | slimword0 = readl(phba->MBslimaddr); | |
2836 | slimmb = (MAILBOX_t *) & slimword0; | |
2837 | if (((slimword0 & OWN_CHIP) != OWN_CHIP) | |
2838 | && slimmb->mbxStatus) { | |
2839 | psli->sli_flag &= | |
2840 | ~LPFC_SLI2_ACTIVE; | |
2841 | word0 = slimword0; | |
2842 | } | |
2843 | } | |
2844 | } else { | |
2845 | /* First copy command data */ | |
2846 | word0 = readl(phba->MBslimaddr); | |
2847 | } | |
2848 | /* Read the HBA Host Attention Register */ | |
2849 | ha_copy = readl(phba->HAregaddr); | |
2850 | } | |
2851 | ||
2852 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { | |
dea3101e | 2853 | /* copy results back to user */ |
4cc2da1d | 2854 | lpfc_sli_pcimem_bcopy(&phba->slim2p->mbx, mb, |
92d7f7b0 | 2855 | MAILBOX_CMD_SIZE); |
dea3101e | 2856 | } else { |
2857 | /* First copy command data */ | |
2858 | lpfc_memcpy_from_slim(mb, phba->MBslimaddr, | |
2859 | MAILBOX_CMD_SIZE); | |
2860 | if ((mb->mbxCommand == MBX_DUMP_MEMORY) && | |
2861 | pmbox->context2) { | |
92d7f7b0 | 2862 | lpfc_memcpy_from_slim((void *)pmbox->context2, |
dea3101e | 2863 | phba->MBslimaddr + DMP_RSP_OFFSET, |
2864 | mb->un.varDmp.word_cnt); | |
2865 | } | |
2866 | } | |
2867 | ||
2868 | writel(HA_MBATT, phba->HAregaddr); | |
2869 | readl(phba->HAregaddr); /* flush */ | |
2870 | ||
2871 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
2872 | status = mb->mbxStatus; | |
2873 | } | |
2874 | ||
2e0fef85 JS |
2875 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
2876 | return status; | |
dea3101e | 2877 | } |
2878 | ||
92d7f7b0 JS |
2879 | /* |
2880 | * Caller needs to hold lock. | |
2881 | */ | |
858c9f6c | 2882 | static void |
92d7f7b0 | 2883 | __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
2e0fef85 | 2884 | struct lpfc_iocbq *piocb) |
dea3101e | 2885 | { |
2886 | /* Insert the caller's iocb in the txq tail for later processing. */ | |
2887 | list_add_tail(&piocb->list, &pring->txq); | |
2888 | pring->txq_cnt++; | |
dea3101e | 2889 | } |
2890 | ||
2891 | static struct lpfc_iocbq * | |
2892 | lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 2893 | struct lpfc_iocbq **piocb) |
dea3101e | 2894 | { |
2895 | struct lpfc_iocbq * nextiocb; | |
2896 | ||
2897 | nextiocb = lpfc_sli_ringtx_get(phba, pring); | |
2898 | if (!nextiocb) { | |
2899 | nextiocb = *piocb; | |
2900 | *piocb = NULL; | |
2901 | } | |
2902 | ||
2903 | return nextiocb; | |
2904 | } | |
2905 | ||
92d7f7b0 JS |
2906 | /* |
2907 | * Lockless version of lpfc_sli_issue_iocb. | |
2908 | */ | |
98c9ea5c | 2909 | static int |
92d7f7b0 | 2910 | __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
dea3101e | 2911 | struct lpfc_iocbq *piocb, uint32_t flag) |
2912 | { | |
2913 | struct lpfc_iocbq *nextiocb; | |
2914 | IOCB_t *iocb; | |
2915 | ||
92d7f7b0 JS |
2916 | if (piocb->iocb_cmpl && (!piocb->vport) && |
2917 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
2918 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { | |
2919 | lpfc_printf_log(phba, KERN_ERR, | |
2920 | LOG_SLI | LOG_VPORT, | |
e8b62011 | 2921 | "1807 IOCB x%x failed. No vport\n", |
92d7f7b0 JS |
2922 | piocb->iocb.ulpCommand); |
2923 | dump_stack(); | |
2924 | return IOCB_ERROR; | |
2925 | } | |
2926 | ||
2927 | ||
8d63f375 LV |
2928 | /* If the PCI channel is in offline state, do not post iocbs. */ |
2929 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
2930 | return IOCB_ERROR; | |
2931 | ||
dea3101e | 2932 | /* |
2933 | * We should never get an IOCB if we are in a < LINK_DOWN state | |
2934 | */ | |
2e0fef85 | 2935 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) |
dea3101e | 2936 | return IOCB_ERROR; |
2937 | ||
2938 | /* | |
2939 | * Check to see if we are blocking IOCB processing because of a | |
0b727fea | 2940 | * outstanding event. |
dea3101e | 2941 | */ |
0b727fea | 2942 | if (unlikely(pring->flag & LPFC_STOP_IOCB_EVENT)) |
dea3101e | 2943 | goto iocb_busy; |
2944 | ||
2e0fef85 | 2945 | if (unlikely(phba->link_state == LPFC_LINK_DOWN)) { |
dea3101e | 2946 | /* |
2680eeaa | 2947 | * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF |
dea3101e | 2948 | * can be issued if the link is not up. |
2949 | */ | |
2950 | switch (piocb->iocb.ulpCommand) { | |
2951 | case CMD_QUE_RING_BUF_CN: | |
2952 | case CMD_QUE_RING_BUF64_CN: | |
dea3101e | 2953 | /* |
2954 | * For IOCBs, like QUE_RING_BUF, that have no rsp ring | |
2955 | * completion, iocb_cmpl MUST be 0. | |
2956 | */ | |
2957 | if (piocb->iocb_cmpl) | |
2958 | piocb->iocb_cmpl = NULL; | |
2959 | /*FALLTHROUGH*/ | |
2960 | case CMD_CREATE_XRI_CR: | |
2680eeaa JS |
2961 | case CMD_CLOSE_XRI_CN: |
2962 | case CMD_CLOSE_XRI_CX: | |
dea3101e | 2963 | break; |
2964 | default: | |
2965 | goto iocb_busy; | |
2966 | } | |
2967 | ||
2968 | /* | |
2969 | * For FCP commands, we must be in a state where we can process link | |
2970 | * attention events. | |
2971 | */ | |
2972 | } else if (unlikely(pring->ringno == phba->sli.fcp_ring && | |
92d7f7b0 | 2973 | !(phba->sli.sli_flag & LPFC_PROCESS_LA))) { |
dea3101e | 2974 | goto iocb_busy; |
92d7f7b0 | 2975 | } |
dea3101e | 2976 | |
dea3101e | 2977 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
2978 | (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb))) | |
2979 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
2980 | ||
2981 | if (iocb) | |
2982 | lpfc_sli_update_ring(phba, pring); | |
2983 | else | |
2984 | lpfc_sli_update_full_ring(phba, pring); | |
2985 | ||
2986 | if (!piocb) | |
2987 | return IOCB_SUCCESS; | |
2988 | ||
2989 | goto out_busy; | |
2990 | ||
2991 | iocb_busy: | |
2992 | pring->stats.iocb_cmd_delay++; | |
2993 | ||
2994 | out_busy: | |
2995 | ||
2996 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
92d7f7b0 | 2997 | __lpfc_sli_ringtx_put(phba, pring, piocb); |
dea3101e | 2998 | return IOCB_SUCCESS; |
2999 | } | |
3000 | ||
3001 | return IOCB_BUSY; | |
3002 | } | |
3003 | ||
92d7f7b0 JS |
3004 | |
3005 | int | |
3006 | lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3007 | struct lpfc_iocbq *piocb, uint32_t flag) | |
3008 | { | |
3009 | unsigned long iflags; | |
3010 | int rc; | |
3011 | ||
3012 | spin_lock_irqsave(&phba->hbalock, iflags); | |
3013 | rc = __lpfc_sli_issue_iocb(phba, pring, piocb, flag); | |
3014 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
3015 | ||
3016 | return rc; | |
3017 | } | |
3018 | ||
cf5bf97e JW |
3019 | static int |
3020 | lpfc_extra_ring_setup( struct lpfc_hba *phba) | |
3021 | { | |
3022 | struct lpfc_sli *psli; | |
3023 | struct lpfc_sli_ring *pring; | |
3024 | ||
3025 | psli = &phba->sli; | |
3026 | ||
3027 | /* Adjust cmd/rsp ring iocb entries more evenly */ | |
a4bc3379 JS |
3028 | |
3029 | /* Take some away from the FCP ring */ | |
cf5bf97e JW |
3030 | pring = &psli->ring[psli->fcp_ring]; |
3031 | pring->numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; | |
3032 | pring->numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
3033 | pring->numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
3034 | pring->numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
3035 | ||
a4bc3379 JS |
3036 | /* and give them to the extra ring */ |
3037 | pring = &psli->ring[psli->extra_ring]; | |
3038 | ||
cf5bf97e JW |
3039 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
3040 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
3041 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
3042 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
3043 | ||
3044 | /* Setup default profile for this ring */ | |
3045 | pring->iotag_max = 4096; | |
3046 | pring->num_mask = 1; | |
3047 | pring->prt[0].profile = 0; /* Mask 0 */ | |
a4bc3379 JS |
3048 | pring->prt[0].rctl = phba->cfg_multi_ring_rctl; |
3049 | pring->prt[0].type = phba->cfg_multi_ring_type; | |
cf5bf97e JW |
3050 | pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; |
3051 | return 0; | |
3052 | } | |
3053 | ||
98c9ea5c | 3054 | static void |
57127f15 JS |
3055 | lpfc_sli_async_event_handler(struct lpfc_hba * phba, |
3056 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq) | |
3057 | { | |
3058 | IOCB_t *icmd; | |
3059 | uint16_t evt_code; | |
3060 | uint16_t temp; | |
3061 | struct temp_event temp_event_data; | |
3062 | struct Scsi_Host *shost; | |
3063 | ||
3064 | icmd = &iocbq->iocb; | |
3065 | evt_code = icmd->un.asyncstat.evt_code; | |
3066 | temp = icmd->ulpContext; | |
3067 | ||
3068 | if ((evt_code != ASYNC_TEMP_WARN) && | |
3069 | (evt_code != ASYNC_TEMP_SAFE)) { | |
3070 | lpfc_printf_log(phba, | |
3071 | KERN_ERR, | |
3072 | LOG_SLI, | |
76bb24ef | 3073 | "0346 Ring %d handler: unexpected ASYNC_STATUS" |
57127f15 JS |
3074 | " evt_code 0x%x\n", |
3075 | pring->ringno, | |
3076 | icmd->un.asyncstat.evt_code); | |
3077 | return; | |
3078 | } | |
3079 | temp_event_data.data = (uint32_t)temp; | |
3080 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
3081 | if (evt_code == ASYNC_TEMP_WARN) { | |
3082 | temp_event_data.event_code = LPFC_THRESHOLD_TEMP; | |
3083 | lpfc_printf_log(phba, | |
09372820 | 3084 | KERN_ERR, |
57127f15 | 3085 | LOG_TEMP, |
76bb24ef | 3086 | "0347 Adapter is very hot, please take " |
57127f15 JS |
3087 | "corrective action. temperature : %d Celsius\n", |
3088 | temp); | |
3089 | } | |
3090 | if (evt_code == ASYNC_TEMP_SAFE) { | |
3091 | temp_event_data.event_code = LPFC_NORMAL_TEMP; | |
3092 | lpfc_printf_log(phba, | |
09372820 | 3093 | KERN_ERR, |
57127f15 JS |
3094 | LOG_TEMP, |
3095 | "0340 Adapter temperature is OK now. " | |
3096 | "temperature : %d Celsius\n", | |
3097 | temp); | |
3098 | } | |
3099 | ||
3100 | /* Send temperature change event to applications */ | |
3101 | shost = lpfc_shost_from_vport(phba->pport); | |
3102 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
3103 | sizeof(temp_event_data), (char *) &temp_event_data, | |
3104 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
3105 | ||
3106 | } | |
3107 | ||
3108 | ||
dea3101e | 3109 | int |
3110 | lpfc_sli_setup(struct lpfc_hba *phba) | |
3111 | { | |
ed957684 | 3112 | int i, totiocbsize = 0; |
dea3101e | 3113 | struct lpfc_sli *psli = &phba->sli; |
3114 | struct lpfc_sli_ring *pring; | |
3115 | ||
3116 | psli->num_rings = MAX_CONFIGURED_RINGS; | |
3117 | psli->sli_flag = 0; | |
3118 | psli->fcp_ring = LPFC_FCP_RING; | |
3119 | psli->next_ring = LPFC_FCP_NEXT_RING; | |
a4bc3379 | 3120 | psli->extra_ring = LPFC_EXTRA_RING; |
dea3101e | 3121 | |
604a3e30 JB |
3122 | psli->iocbq_lookup = NULL; |
3123 | psli->iocbq_lookup_len = 0; | |
3124 | psli->last_iotag = 0; | |
3125 | ||
dea3101e | 3126 | for (i = 0; i < psli->num_rings; i++) { |
3127 | pring = &psli->ring[i]; | |
3128 | switch (i) { | |
3129 | case LPFC_FCP_RING: /* ring 0 - FCP */ | |
3130 | /* numCiocb and numRiocb are used in config_port */ | |
3131 | pring->numCiocb = SLI2_IOCB_CMD_R0_ENTRIES; | |
3132 | pring->numRiocb = SLI2_IOCB_RSP_R0_ENTRIES; | |
3133 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; | |
3134 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
3135 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
3136 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
ed957684 | 3137 | pring->sizeCiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
3138 | SLI3_IOCB_CMD_SIZE : |
3139 | SLI2_IOCB_CMD_SIZE; | |
ed957684 | 3140 | pring->sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
3141 | SLI3_IOCB_RSP_SIZE : |
3142 | SLI2_IOCB_RSP_SIZE; | |
dea3101e | 3143 | pring->iotag_ctr = 0; |
3144 | pring->iotag_max = | |
92d7f7b0 | 3145 | (phba->cfg_hba_queue_depth * 2); |
dea3101e | 3146 | pring->fast_iotag = pring->iotag_max; |
3147 | pring->num_mask = 0; | |
3148 | break; | |
a4bc3379 | 3149 | case LPFC_EXTRA_RING: /* ring 1 - EXTRA */ |
dea3101e | 3150 | /* numCiocb and numRiocb are used in config_port */ |
3151 | pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; | |
3152 | pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; | |
ed957684 | 3153 | pring->sizeCiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
3154 | SLI3_IOCB_CMD_SIZE : |
3155 | SLI2_IOCB_CMD_SIZE; | |
ed957684 | 3156 | pring->sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
3157 | SLI3_IOCB_RSP_SIZE : |
3158 | SLI2_IOCB_RSP_SIZE; | |
2e0fef85 | 3159 | pring->iotag_max = phba->cfg_hba_queue_depth; |
dea3101e | 3160 | pring->num_mask = 0; |
3161 | break; | |
3162 | case LPFC_ELS_RING: /* ring 2 - ELS / CT */ | |
3163 | /* numCiocb and numRiocb are used in config_port */ | |
3164 | pring->numCiocb = SLI2_IOCB_CMD_R2_ENTRIES; | |
3165 | pring->numRiocb = SLI2_IOCB_RSP_R2_ENTRIES; | |
ed957684 | 3166 | pring->sizeCiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
3167 | SLI3_IOCB_CMD_SIZE : |
3168 | SLI2_IOCB_CMD_SIZE; | |
ed957684 | 3169 | pring->sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
3170 | SLI3_IOCB_RSP_SIZE : |
3171 | SLI2_IOCB_RSP_SIZE; | |
dea3101e | 3172 | pring->fast_iotag = 0; |
3173 | pring->iotag_ctr = 0; | |
3174 | pring->iotag_max = 4096; | |
57127f15 JS |
3175 | pring->lpfc_sli_rcv_async_status = |
3176 | lpfc_sli_async_event_handler; | |
dea3101e | 3177 | pring->num_mask = 4; |
3178 | pring->prt[0].profile = 0; /* Mask 0 */ | |
3179 | pring->prt[0].rctl = FC_ELS_REQ; | |
3180 | pring->prt[0].type = FC_ELS_DATA; | |
3181 | pring->prt[0].lpfc_sli_rcv_unsol_event = | |
92d7f7b0 | 3182 | lpfc_els_unsol_event; |
dea3101e | 3183 | pring->prt[1].profile = 0; /* Mask 1 */ |
3184 | pring->prt[1].rctl = FC_ELS_RSP; | |
3185 | pring->prt[1].type = FC_ELS_DATA; | |
3186 | pring->prt[1].lpfc_sli_rcv_unsol_event = | |
92d7f7b0 | 3187 | lpfc_els_unsol_event; |
dea3101e | 3188 | pring->prt[2].profile = 0; /* Mask 2 */ |
3189 | /* NameServer Inquiry */ | |
3190 | pring->prt[2].rctl = FC_UNSOL_CTL; | |
3191 | /* NameServer */ | |
3192 | pring->prt[2].type = FC_COMMON_TRANSPORT_ULP; | |
3193 | pring->prt[2].lpfc_sli_rcv_unsol_event = | |
92d7f7b0 | 3194 | lpfc_ct_unsol_event; |
dea3101e | 3195 | pring->prt[3].profile = 0; /* Mask 3 */ |
3196 | /* NameServer response */ | |
3197 | pring->prt[3].rctl = FC_SOL_CTL; | |
3198 | /* NameServer */ | |
3199 | pring->prt[3].type = FC_COMMON_TRANSPORT_ULP; | |
3200 | pring->prt[3].lpfc_sli_rcv_unsol_event = | |
92d7f7b0 | 3201 | lpfc_ct_unsol_event; |
dea3101e | 3202 | break; |
3203 | } | |
ed957684 | 3204 | totiocbsize += (pring->numCiocb * pring->sizeCiocb) + |
92d7f7b0 | 3205 | (pring->numRiocb * pring->sizeRiocb); |
dea3101e | 3206 | } |
ed957684 | 3207 | if (totiocbsize > MAX_SLIM_IOCB_SIZE) { |
dea3101e | 3208 | /* Too many cmd / rsp ring entries in SLI2 SLIM */ |
e8b62011 JS |
3209 | printk(KERN_ERR "%d:0462 Too many cmd / rsp ring entries in " |
3210 | "SLI2 SLIM Data: x%x x%lx\n", | |
3211 | phba->brd_no, totiocbsize, | |
3212 | (unsigned long) MAX_SLIM_IOCB_SIZE); | |
dea3101e | 3213 | } |
cf5bf97e JW |
3214 | if (phba->cfg_multi_ring_support == 2) |
3215 | lpfc_extra_ring_setup(phba); | |
dea3101e | 3216 | |
3217 | return 0; | |
3218 | } | |
3219 | ||
3220 | int | |
2e0fef85 | 3221 | lpfc_sli_queue_setup(struct lpfc_hba *phba) |
dea3101e | 3222 | { |
3223 | struct lpfc_sli *psli; | |
3224 | struct lpfc_sli_ring *pring; | |
604a3e30 | 3225 | int i; |
dea3101e | 3226 | |
3227 | psli = &phba->sli; | |
2e0fef85 | 3228 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3229 | INIT_LIST_HEAD(&psli->mboxq); |
92d7f7b0 | 3230 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
dea3101e | 3231 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
3232 | for (i = 0; i < psli->num_rings; i++) { | |
3233 | pring = &psli->ring[i]; | |
3234 | pring->ringno = i; | |
3235 | pring->next_cmdidx = 0; | |
3236 | pring->local_getidx = 0; | |
3237 | pring->cmdidx = 0; | |
3238 | INIT_LIST_HEAD(&pring->txq); | |
3239 | INIT_LIST_HEAD(&pring->txcmplq); | |
3240 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
9c2face6 | 3241 | INIT_LIST_HEAD(&pring->iocb_continue_saveq); |
dea3101e | 3242 | INIT_LIST_HEAD(&pring->postbufq); |
dea3101e | 3243 | } |
2e0fef85 JS |
3244 | spin_unlock_irq(&phba->hbalock); |
3245 | return 1; | |
dea3101e | 3246 | } |
3247 | ||
92d7f7b0 JS |
3248 | int |
3249 | lpfc_sli_host_down(struct lpfc_vport *vport) | |
3250 | { | |
858c9f6c | 3251 | LIST_HEAD(completions); |
92d7f7b0 JS |
3252 | struct lpfc_hba *phba = vport->phba; |
3253 | struct lpfc_sli *psli = &phba->sli; | |
3254 | struct lpfc_sli_ring *pring; | |
3255 | struct lpfc_iocbq *iocb, *next_iocb; | |
92d7f7b0 JS |
3256 | int i; |
3257 | unsigned long flags = 0; | |
3258 | uint16_t prev_pring_flag; | |
3259 | ||
3260 | lpfc_cleanup_discovery_resources(vport); | |
3261 | ||
3262 | spin_lock_irqsave(&phba->hbalock, flags); | |
92d7f7b0 JS |
3263 | for (i = 0; i < psli->num_rings; i++) { |
3264 | pring = &psli->ring[i]; | |
3265 | prev_pring_flag = pring->flag; | |
858c9f6c JS |
3266 | if (pring->ringno == LPFC_ELS_RING) /* Only slow rings */ |
3267 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
92d7f7b0 JS |
3268 | /* |
3269 | * Error everything on the txq since these iocbs have not been | |
3270 | * given to the FW yet. | |
3271 | */ | |
92d7f7b0 JS |
3272 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
3273 | if (iocb->vport != vport) | |
3274 | continue; | |
858c9f6c | 3275 | list_move_tail(&iocb->list, &completions); |
92d7f7b0 | 3276 | pring->txq_cnt--; |
92d7f7b0 JS |
3277 | } |
3278 | ||
3279 | /* Next issue ABTS for everything on the txcmplq */ | |
3280 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, | |
3281 | list) { | |
3282 | if (iocb->vport != vport) | |
3283 | continue; | |
3284 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
3285 | } | |
3286 | ||
3287 | pring->flag = prev_pring_flag; | |
3288 | } | |
3289 | ||
3290 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
3291 | ||
858c9f6c JS |
3292 | while (!list_empty(&completions)) { |
3293 | list_remove_head(&completions, iocb, struct lpfc_iocbq, list); | |
3294 | ||
3295 | if (!iocb->iocb_cmpl) | |
3296 | lpfc_sli_release_iocbq(phba, iocb); | |
3297 | else { | |
3298 | iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; | |
3299 | iocb->iocb.un.ulpWord[4] = IOERR_SLI_DOWN; | |
3300 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
3301 | } | |
3302 | } | |
92d7f7b0 JS |
3303 | return 1; |
3304 | } | |
3305 | ||
dea3101e | 3306 | int |
2e0fef85 | 3307 | lpfc_sli_hba_down(struct lpfc_hba *phba) |
dea3101e | 3308 | { |
2534ba75 | 3309 | LIST_HEAD(completions); |
2e0fef85 | 3310 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 3311 | struct lpfc_sli_ring *pring; |
0ff10d46 | 3312 | struct lpfc_dmabuf *buf_ptr; |
dea3101e | 3313 | LPFC_MBOXQ_t *pmb; |
2534ba75 JS |
3314 | struct lpfc_iocbq *iocb; |
3315 | IOCB_t *cmd = NULL; | |
dea3101e | 3316 | int i; |
3317 | unsigned long flags = 0; | |
3318 | ||
dea3101e | 3319 | lpfc_hba_down_prep(phba); |
3320 | ||
92d7f7b0 JS |
3321 | lpfc_fabric_abort_hba(phba); |
3322 | ||
2e0fef85 | 3323 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e | 3324 | for (i = 0; i < psli->num_rings; i++) { |
3325 | pring = &psli->ring[i]; | |
858c9f6c JS |
3326 | if (pring->ringno == LPFC_ELS_RING) /* Only slow rings */ |
3327 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
dea3101e | 3328 | |
3329 | /* | |
3330 | * Error everything on the txq since these iocbs have not been | |
3331 | * given to the FW yet. | |
3332 | */ | |
2534ba75 | 3333 | list_splice_init(&pring->txq, &completions); |
dea3101e | 3334 | pring->txq_cnt = 0; |
3335 | ||
2534ba75 | 3336 | } |
2e0fef85 | 3337 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 3338 | |
2534ba75 | 3339 | while (!list_empty(&completions)) { |
92d7f7b0 | 3340 | list_remove_head(&completions, iocb, struct lpfc_iocbq, list); |
2534ba75 | 3341 | cmd = &iocb->iocb; |
dea3101e | 3342 | |
2e0fef85 JS |
3343 | if (!iocb->iocb_cmpl) |
3344 | lpfc_sli_release_iocbq(phba, iocb); | |
3345 | else { | |
2534ba75 JS |
3346 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
3347 | cmd->un.ulpWord[4] = IOERR_SLI_DOWN; | |
3348 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
2e0fef85 | 3349 | } |
dea3101e | 3350 | } |
3351 | ||
0ff10d46 JS |
3352 | spin_lock_irqsave(&phba->hbalock, flags); |
3353 | list_splice_init(&phba->elsbuf, &completions); | |
3354 | phba->elsbuf_cnt = 0; | |
3355 | phba->elsbuf_prev_cnt = 0; | |
3356 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
3357 | ||
3358 | while (!list_empty(&completions)) { | |
3359 | list_remove_head(&completions, buf_ptr, | |
3360 | struct lpfc_dmabuf, list); | |
3361 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
3362 | kfree(buf_ptr); | |
3363 | } | |
3364 | ||
dea3101e | 3365 | /* Return any active mbox cmds */ |
3366 | del_timer_sync(&psli->mbox_tmo); | |
92d7f7b0 | 3367 | spin_lock_irqsave(&phba->hbalock, flags); |
2e0fef85 | 3368 | |
92d7f7b0 | 3369 | spin_lock(&phba->pport->work_port_lock); |
2e0fef85 | 3370 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; |
92d7f7b0 | 3371 | spin_unlock(&phba->pport->work_port_lock); |
2e0fef85 | 3372 | |
92d7f7b0 JS |
3373 | if (psli->mbox_active) { |
3374 | list_add_tail(&psli->mbox_active->list, &completions); | |
2e0fef85 | 3375 | psli->mbox_active = NULL; |
2e0fef85 | 3376 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
dea3101e | 3377 | } |
dea3101e | 3378 | |
92d7f7b0 JS |
3379 | /* Return any pending or completed mbox cmds */ |
3380 | list_splice_init(&phba->sli.mboxq, &completions); | |
3381 | list_splice_init(&phba->sli.mboxq_cmpl, &completions); | |
3382 | INIT_LIST_HEAD(&psli->mboxq); | |
3383 | INIT_LIST_HEAD(&psli->mboxq_cmpl); | |
3384 | ||
3385 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
3386 | ||
3387 | while (!list_empty(&completions)) { | |
3388 | list_remove_head(&completions, pmb, LPFC_MBOXQ_t, list); | |
dea3101e | 3389 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; |
3390 | if (pmb->mbox_cmpl) { | |
dea3101e | 3391 | pmb->mbox_cmpl(phba,pmb); |
dea3101e | 3392 | } |
3393 | } | |
dea3101e | 3394 | return 1; |
3395 | } | |
3396 | ||
3397 | void | |
3398 | lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
3399 | { | |
3400 | uint32_t *src = srcp; | |
3401 | uint32_t *dest = destp; | |
3402 | uint32_t ldata; | |
3403 | int i; | |
3404 | ||
3405 | for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) { | |
3406 | ldata = *src; | |
3407 | ldata = le32_to_cpu(ldata); | |
3408 | *dest = ldata; | |
3409 | src++; | |
3410 | dest++; | |
3411 | } | |
3412 | } | |
3413 | ||
3414 | int | |
2e0fef85 JS |
3415 | lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
3416 | struct lpfc_dmabuf *mp) | |
dea3101e | 3417 | { |
3418 | /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up | |
3419 | later */ | |
2e0fef85 | 3420 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3421 | list_add_tail(&mp->list, &pring->postbufq); |
dea3101e | 3422 | pring->postbufq_cnt++; |
2e0fef85 | 3423 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3424 | return 0; |
3425 | } | |
3426 | ||
76bb24ef JS |
3427 | uint32_t |
3428 | lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) | |
3429 | { | |
3430 | spin_lock_irq(&phba->hbalock); | |
3431 | phba->buffer_tag_count++; | |
3432 | /* | |
3433 | * Always set the QUE_BUFTAG_BIT to distiguish between | |
3434 | * a tag assigned by HBQ. | |
3435 | */ | |
3436 | phba->buffer_tag_count |= QUE_BUFTAG_BIT; | |
3437 | spin_unlock_irq(&phba->hbalock); | |
3438 | return phba->buffer_tag_count; | |
3439 | } | |
3440 | ||
3441 | struct lpfc_dmabuf * | |
3442 | lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3443 | uint32_t tag) | |
3444 | { | |
3445 | struct lpfc_dmabuf *mp, *next_mp; | |
3446 | struct list_head *slp = &pring->postbufq; | |
3447 | ||
3448 | /* Search postbufq, from the begining, looking for a match on tag */ | |
3449 | spin_lock_irq(&phba->hbalock); | |
3450 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
3451 | if (mp->buffer_tag == tag) { | |
3452 | list_del_init(&mp->list); | |
3453 | pring->postbufq_cnt--; | |
3454 | spin_unlock_irq(&phba->hbalock); | |
3455 | return mp; | |
3456 | } | |
3457 | } | |
3458 | ||
3459 | spin_unlock_irq(&phba->hbalock); | |
3460 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3461 | "0410 Cannot find virtual addr for buffer tag on " | |
3462 | "ring %d Data x%lx x%p x%p x%x\n", | |
3463 | pring->ringno, (unsigned long) tag, | |
3464 | slp->next, slp->prev, pring->postbufq_cnt); | |
3465 | ||
3466 | return NULL; | |
3467 | } | |
dea3101e | 3468 | |
3469 | struct lpfc_dmabuf * | |
3470 | lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3471 | dma_addr_t phys) | |
3472 | { | |
3473 | struct lpfc_dmabuf *mp, *next_mp; | |
3474 | struct list_head *slp = &pring->postbufq; | |
3475 | ||
3476 | /* Search postbufq, from the begining, looking for a match on phys */ | |
2e0fef85 | 3477 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3478 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { |
3479 | if (mp->phys == phys) { | |
3480 | list_del_init(&mp->list); | |
3481 | pring->postbufq_cnt--; | |
2e0fef85 | 3482 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3483 | return mp; |
3484 | } | |
3485 | } | |
3486 | ||
2e0fef85 | 3487 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3488 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 3489 | "0410 Cannot find virtual addr for mapped buf on " |
dea3101e | 3490 | "ring %d Data x%llx x%p x%p x%x\n", |
e8b62011 | 3491 | pring->ringno, (unsigned long long)phys, |
dea3101e | 3492 | slp->next, slp->prev, pring->postbufq_cnt); |
3493 | return NULL; | |
3494 | } | |
3495 | ||
3496 | static void | |
2e0fef85 JS |
3497 | lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
3498 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 3499 | { |
2e0fef85 | 3500 | IOCB_t *irsp = &rspiocb->iocb; |
2680eeaa | 3501 | uint16_t abort_iotag, abort_context; |
92d7f7b0 | 3502 | struct lpfc_iocbq *abort_iocb; |
2680eeaa JS |
3503 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
3504 | ||
3505 | abort_iocb = NULL; | |
2680eeaa JS |
3506 | |
3507 | if (irsp->ulpStatus) { | |
3508 | abort_context = cmdiocb->iocb.un.acxri.abortContextTag; | |
3509 | abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag; | |
3510 | ||
2e0fef85 | 3511 | spin_lock_irq(&phba->hbalock); |
2680eeaa JS |
3512 | if (abort_iotag != 0 && abort_iotag <= phba->sli.last_iotag) |
3513 | abort_iocb = phba->sli.iocbq_lookup[abort_iotag]; | |
3514 | ||
92d7f7b0 | 3515 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS | LOG_SLI, |
e8b62011 | 3516 | "0327 Cannot abort els iocb %p " |
92d7f7b0 JS |
3517 | "with tag %x context %x, abort status %x, " |
3518 | "abort code %x\n", | |
e8b62011 JS |
3519 | abort_iocb, abort_iotag, abort_context, |
3520 | irsp->ulpStatus, irsp->un.ulpWord[4]); | |
2680eeaa JS |
3521 | |
3522 | /* | |
3523 | * make sure we have the right iocbq before taking it | |
3524 | * off the txcmplq and try to call completion routine. | |
3525 | */ | |
2e0fef85 JS |
3526 | if (!abort_iocb || |
3527 | abort_iocb->iocb.ulpContext != abort_context || | |
3528 | (abort_iocb->iocb_flag & LPFC_DRIVER_ABORTED) == 0) | |
3529 | spin_unlock_irq(&phba->hbalock); | |
3530 | else { | |
92d7f7b0 | 3531 | list_del_init(&abort_iocb->list); |
2680eeaa | 3532 | pring->txcmplq_cnt--; |
2e0fef85 | 3533 | spin_unlock_irq(&phba->hbalock); |
2680eeaa | 3534 | |
0ff10d46 JS |
3535 | /* Firmware could still be in progress of DMAing |
3536 | * payload, so don't free data buffer till after | |
3537 | * a hbeat. | |
3538 | */ | |
3539 | abort_iocb->iocb_flag |= LPFC_DELAY_MEM_FREE; | |
3540 | ||
92d7f7b0 JS |
3541 | abort_iocb->iocb_flag &= ~LPFC_DRIVER_ABORTED; |
3542 | abort_iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; | |
3543 | abort_iocb->iocb.un.ulpWord[4] = IOERR_SLI_ABORTED; | |
3544 | (abort_iocb->iocb_cmpl)(phba, abort_iocb, abort_iocb); | |
2680eeaa JS |
3545 | } |
3546 | } | |
3547 | ||
604a3e30 | 3548 | lpfc_sli_release_iocbq(phba, cmdiocb); |
dea3101e | 3549 | return; |
3550 | } | |
3551 | ||
92d7f7b0 JS |
3552 | static void |
3553 | lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
3554 | struct lpfc_iocbq *rspiocb) | |
3555 | { | |
3556 | IOCB_t *irsp = &rspiocb->iocb; | |
3557 | ||
3558 | /* ELS cmd tag <ulpIoTag> completes */ | |
3559 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
e8b62011 | 3560 | "0133 Ignoring ELS cmd tag x%x completion Data: " |
92d7f7b0 | 3561 | "x%x x%x x%x\n", |
e8b62011 | 3562 | irsp->ulpIoTag, irsp->ulpStatus, |
92d7f7b0 | 3563 | irsp->un.ulpWord[4], irsp->ulpTimeout); |
858c9f6c JS |
3564 | if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) |
3565 | lpfc_ct_free_iocb(phba, cmdiocb); | |
3566 | else | |
3567 | lpfc_els_free_iocb(phba, cmdiocb); | |
92d7f7b0 JS |
3568 | return; |
3569 | } | |
3570 | ||
dea3101e | 3571 | int |
2e0fef85 JS |
3572 | lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
3573 | struct lpfc_iocbq *cmdiocb) | |
dea3101e | 3574 | { |
2e0fef85 | 3575 | struct lpfc_vport *vport = cmdiocb->vport; |
0bd4ca25 | 3576 | struct lpfc_iocbq *abtsiocbp; |
dea3101e | 3577 | IOCB_t *icmd = NULL; |
3578 | IOCB_t *iabt = NULL; | |
07951076 JS |
3579 | int retval = IOCB_ERROR; |
3580 | ||
92d7f7b0 JS |
3581 | /* |
3582 | * There are certain command types we don't want to abort. And we | |
3583 | * don't want to abort commands that are already in the process of | |
3584 | * being aborted. | |
07951076 JS |
3585 | */ |
3586 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 3587 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || |
92d7f7b0 JS |
3588 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || |
3589 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
07951076 JS |
3590 | return 0; |
3591 | ||
858c9f6c JS |
3592 | /* If we're unloading, don't abort iocb on the ELS ring, but change the |
3593 | * callback so that nothing happens when it finishes. | |
07951076 | 3594 | */ |
858c9f6c JS |
3595 | if ((vport->load_flag & FC_UNLOADING) && |
3596 | (pring->ringno == LPFC_ELS_RING)) { | |
92d7f7b0 JS |
3597 | if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) |
3598 | cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; | |
3599 | else | |
3600 | cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; | |
07951076 | 3601 | goto abort_iotag_exit; |
92d7f7b0 | 3602 | } |
dea3101e | 3603 | |
3604 | /* issue ABTS for this IOCB based on iotag */ | |
92d7f7b0 | 3605 | abtsiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e | 3606 | if (abtsiocbp == NULL) |
3607 | return 0; | |
dea3101e | 3608 | |
07951076 JS |
3609 | /* This signals the response to set the correct status |
3610 | * before calling the completion handler. | |
3611 | */ | |
3612 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; | |
3613 | ||
dea3101e | 3614 | iabt = &abtsiocbp->iocb; |
07951076 JS |
3615 | iabt->un.acxri.abortType = ABORT_TYPE_ABTS; |
3616 | iabt->un.acxri.abortContextTag = icmd->ulpContext; | |
3617 | iabt->un.acxri.abortIoTag = icmd->ulpIoTag; | |
3618 | iabt->ulpLe = 1; | |
3619 | iabt->ulpClass = icmd->ulpClass; | |
dea3101e | 3620 | |
2e0fef85 | 3621 | if (phba->link_state >= LPFC_LINK_UP) |
07951076 JS |
3622 | iabt->ulpCommand = CMD_ABORT_XRI_CN; |
3623 | else | |
3624 | iabt->ulpCommand = CMD_CLOSE_XRI_CN; | |
dea3101e | 3625 | |
07951076 | 3626 | abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; |
5b8bd0c9 | 3627 | |
e8b62011 JS |
3628 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, |
3629 | "0339 Abort xri x%x, original iotag x%x, " | |
3630 | "abort cmd iotag x%x\n", | |
3631 | iabt->un.acxri.abortContextTag, | |
3632 | iabt->un.acxri.abortIoTag, abtsiocbp->iotag); | |
92d7f7b0 | 3633 | retval = __lpfc_sli_issue_iocb(phba, pring, abtsiocbp, 0); |
dea3101e | 3634 | |
07951076 | 3635 | abort_iotag_exit: |
2e0fef85 JS |
3636 | /* |
3637 | * Caller to this routine should check for IOCB_ERROR | |
3638 | * and handle it properly. This routine no longer removes | |
3639 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
07951076 | 3640 | */ |
2e0fef85 | 3641 | return retval; |
dea3101e | 3642 | } |
3643 | ||
3644 | static int | |
51ef4c26 JS |
3645 | lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, |
3646 | uint16_t tgt_id, uint64_t lun_id, | |
0bd4ca25 | 3647 | lpfc_ctx_cmd ctx_cmd) |
dea3101e | 3648 | { |
0bd4ca25 JSEC |
3649 | struct lpfc_scsi_buf *lpfc_cmd; |
3650 | struct scsi_cmnd *cmnd; | |
dea3101e | 3651 | int rc = 1; |
3652 | ||
0bd4ca25 JSEC |
3653 | if (!(iocbq->iocb_flag & LPFC_IO_FCP)) |
3654 | return rc; | |
3655 | ||
51ef4c26 JS |
3656 | if (iocbq->vport != vport) |
3657 | return rc; | |
3658 | ||
0bd4ca25 JSEC |
3659 | lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq); |
3660 | cmnd = lpfc_cmd->pCmd; | |
3661 | ||
3662 | if (cmnd == NULL) | |
dea3101e | 3663 | return rc; |
3664 | ||
3665 | switch (ctx_cmd) { | |
3666 | case LPFC_CTX_LUN: | |
0bd4ca25 JSEC |
3667 | if ((cmnd->device->id == tgt_id) && |
3668 | (cmnd->device->lun == lun_id)) | |
dea3101e | 3669 | rc = 0; |
3670 | break; | |
3671 | case LPFC_CTX_TGT: | |
0bd4ca25 | 3672 | if (cmnd->device->id == tgt_id) |
dea3101e | 3673 | rc = 0; |
3674 | break; | |
dea3101e | 3675 | case LPFC_CTX_HOST: |
3676 | rc = 0; | |
3677 | break; | |
3678 | default: | |
3679 | printk(KERN_ERR "%s: Unknown context cmd type, value %d\n", | |
3680 | __FUNCTION__, ctx_cmd); | |
3681 | break; | |
3682 | } | |
3683 | ||
3684 | return rc; | |
3685 | } | |
3686 | ||
3687 | int | |
51ef4c26 JS |
3688 | lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, |
3689 | lpfc_ctx_cmd ctx_cmd) | |
dea3101e | 3690 | { |
51ef4c26 | 3691 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
3692 | struct lpfc_iocbq *iocbq; |
3693 | int sum, i; | |
dea3101e | 3694 | |
0bd4ca25 JSEC |
3695 | for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) { |
3696 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 3697 | |
51ef4c26 JS |
3698 | if (lpfc_sli_validate_fcp_iocb (iocbq, vport, tgt_id, lun_id, |
3699 | ctx_cmd) == 0) | |
0bd4ca25 | 3700 | sum++; |
dea3101e | 3701 | } |
0bd4ca25 | 3702 | |
dea3101e | 3703 | return sum; |
3704 | } | |
3705 | ||
5eb95af0 | 3706 | void |
2e0fef85 JS |
3707 | lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
3708 | struct lpfc_iocbq *rspiocb) | |
5eb95af0 | 3709 | { |
604a3e30 | 3710 | lpfc_sli_release_iocbq(phba, cmdiocb); |
5eb95af0 JSEC |
3711 | return; |
3712 | } | |
3713 | ||
dea3101e | 3714 | int |
51ef4c26 JS |
3715 | lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, |
3716 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd abort_cmd) | |
dea3101e | 3717 | { |
51ef4c26 | 3718 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
3719 | struct lpfc_iocbq *iocbq; |
3720 | struct lpfc_iocbq *abtsiocb; | |
dea3101e | 3721 | IOCB_t *cmd = NULL; |
dea3101e | 3722 | int errcnt = 0, ret_val = 0; |
0bd4ca25 | 3723 | int i; |
dea3101e | 3724 | |
0bd4ca25 JSEC |
3725 | for (i = 1; i <= phba->sli.last_iotag; i++) { |
3726 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 3727 | |
51ef4c26 | 3728 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, |
2e0fef85 | 3729 | abort_cmd) != 0) |
dea3101e | 3730 | continue; |
3731 | ||
3732 | /* issue ABTS for this IOCB based on iotag */ | |
0bd4ca25 | 3733 | abtsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e | 3734 | if (abtsiocb == NULL) { |
3735 | errcnt++; | |
3736 | continue; | |
3737 | } | |
dea3101e | 3738 | |
0bd4ca25 | 3739 | cmd = &iocbq->iocb; |
dea3101e | 3740 | abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; |
3741 | abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext; | |
3742 | abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag; | |
3743 | abtsiocb->iocb.ulpLe = 1; | |
3744 | abtsiocb->iocb.ulpClass = cmd->ulpClass; | |
2e0fef85 | 3745 | abtsiocb->vport = phba->pport; |
dea3101e | 3746 | |
2e0fef85 | 3747 | if (lpfc_is_link_up(phba)) |
dea3101e | 3748 | abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
3749 | else | |
3750 | abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
3751 | ||
5eb95af0 JSEC |
3752 | /* Setup callback routine and issue the command. */ |
3753 | abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
dea3101e | 3754 | ret_val = lpfc_sli_issue_iocb(phba, pring, abtsiocb, 0); |
3755 | if (ret_val == IOCB_ERROR) { | |
604a3e30 | 3756 | lpfc_sli_release_iocbq(phba, abtsiocb); |
dea3101e | 3757 | errcnt++; |
3758 | continue; | |
3759 | } | |
3760 | } | |
3761 | ||
3762 | return errcnt; | |
3763 | } | |
3764 | ||
68876920 JSEC |
3765 | static void |
3766 | lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, | |
3767 | struct lpfc_iocbq *cmdiocbq, | |
3768 | struct lpfc_iocbq *rspiocbq) | |
dea3101e | 3769 | { |
68876920 JSEC |
3770 | wait_queue_head_t *pdone_q; |
3771 | unsigned long iflags; | |
dea3101e | 3772 | |
2e0fef85 | 3773 | spin_lock_irqsave(&phba->hbalock, iflags); |
68876920 JSEC |
3774 | cmdiocbq->iocb_flag |= LPFC_IO_WAKE; |
3775 | if (cmdiocbq->context2 && rspiocbq) | |
3776 | memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, | |
3777 | &rspiocbq->iocb, sizeof(IOCB_t)); | |
3778 | ||
3779 | pdone_q = cmdiocbq->context_un.wait_queue; | |
68876920 JSEC |
3780 | if (pdone_q) |
3781 | wake_up(pdone_q); | |
858c9f6c | 3782 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
dea3101e | 3783 | return; |
3784 | } | |
3785 | ||
68876920 JSEC |
3786 | /* |
3787 | * Issue the caller's iocb and wait for its completion, but no longer than the | |
3788 | * caller's timeout. Note that iocb_flags is cleared before the | |
3789 | * lpfc_sli_issue_call since the wake routine sets a unique value and by | |
3790 | * definition this is a wait function. | |
3791 | */ | |
92d7f7b0 | 3792 | |
dea3101e | 3793 | int |
2e0fef85 JS |
3794 | lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, |
3795 | struct lpfc_sli_ring *pring, | |
3796 | struct lpfc_iocbq *piocb, | |
3797 | struct lpfc_iocbq *prspiocbq, | |
68876920 | 3798 | uint32_t timeout) |
dea3101e | 3799 | { |
7259f0d0 | 3800 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
68876920 JSEC |
3801 | long timeleft, timeout_req = 0; |
3802 | int retval = IOCB_SUCCESS; | |
875fbdfe | 3803 | uint32_t creg_val; |
dea3101e | 3804 | |
3805 | /* | |
68876920 JSEC |
3806 | * If the caller has provided a response iocbq buffer, then context2 |
3807 | * is NULL or its an error. | |
dea3101e | 3808 | */ |
68876920 JSEC |
3809 | if (prspiocbq) { |
3810 | if (piocb->context2) | |
3811 | return IOCB_ERROR; | |
3812 | piocb->context2 = prspiocbq; | |
dea3101e | 3813 | } |
3814 | ||
68876920 JSEC |
3815 | piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait; |
3816 | piocb->context_un.wait_queue = &done_q; | |
3817 | piocb->iocb_flag &= ~LPFC_IO_WAKE; | |
dea3101e | 3818 | |
875fbdfe JSEC |
3819 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
3820 | creg_val = readl(phba->HCregaddr); | |
3821 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); | |
3822 | writel(creg_val, phba->HCregaddr); | |
3823 | readl(phba->HCregaddr); /* flush */ | |
3824 | } | |
3825 | ||
68876920 JSEC |
3826 | retval = lpfc_sli_issue_iocb(phba, pring, piocb, 0); |
3827 | if (retval == IOCB_SUCCESS) { | |
3828 | timeout_req = timeout * HZ; | |
68876920 JSEC |
3829 | timeleft = wait_event_timeout(done_q, |
3830 | piocb->iocb_flag & LPFC_IO_WAKE, | |
3831 | timeout_req); | |
dea3101e | 3832 | |
7054a606 JS |
3833 | if (piocb->iocb_flag & LPFC_IO_WAKE) { |
3834 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 3835 | "0331 IOCB wake signaled\n"); |
7054a606 | 3836 | } else if (timeleft == 0) { |
68876920 | 3837 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
3838 | "0338 IOCB wait timeout error - no " |
3839 | "wake response Data x%x\n", timeout); | |
68876920 | 3840 | retval = IOCB_TIMEDOUT; |
7054a606 | 3841 | } else { |
68876920 | 3842 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
3843 | "0330 IOCB wake NOT set, " |
3844 | "Data x%x x%lx\n", | |
68876920 JSEC |
3845 | timeout, (timeleft / jiffies)); |
3846 | retval = IOCB_TIMEDOUT; | |
dea3101e | 3847 | } |
68876920 JSEC |
3848 | } else { |
3849 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 JS |
3850 | ":0332 IOCB wait issue failed, Data x%x\n", |
3851 | retval); | |
68876920 | 3852 | retval = IOCB_ERROR; |
dea3101e | 3853 | } |
3854 | ||
875fbdfe JSEC |
3855 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
3856 | creg_val = readl(phba->HCregaddr); | |
3857 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
3858 | writel(creg_val, phba->HCregaddr); | |
3859 | readl(phba->HCregaddr); /* flush */ | |
3860 | } | |
3861 | ||
68876920 JSEC |
3862 | if (prspiocbq) |
3863 | piocb->context2 = NULL; | |
3864 | ||
3865 | piocb->context_un.wait_queue = NULL; | |
3866 | piocb->iocb_cmpl = NULL; | |
dea3101e | 3867 | return retval; |
3868 | } | |
68876920 | 3869 | |
dea3101e | 3870 | int |
2e0fef85 | 3871 | lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, |
dea3101e | 3872 | uint32_t timeout) |
3873 | { | |
7259f0d0 | 3874 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
dea3101e | 3875 | int retval; |
858c9f6c | 3876 | unsigned long flag; |
dea3101e | 3877 | |
3878 | /* The caller must leave context1 empty. */ | |
98c9ea5c | 3879 | if (pmboxq->context1) |
2e0fef85 | 3880 | return MBX_NOT_FINISHED; |
dea3101e | 3881 | |
3882 | /* setup wake call as IOCB callback */ | |
3883 | pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait; | |
3884 | /* setup context field to pass wait_queue pointer to wake function */ | |
3885 | pmboxq->context1 = &done_q; | |
3886 | ||
dea3101e | 3887 | /* now issue the command */ |
3888 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
3889 | ||
3890 | if (retval == MBX_BUSY || retval == MBX_SUCCESS) { | |
7054a606 JS |
3891 | wait_event_interruptible_timeout(done_q, |
3892 | pmboxq->mbox_flag & LPFC_MBX_WAKE, | |
3893 | timeout * HZ); | |
3894 | ||
858c9f6c | 3895 | spin_lock_irqsave(&phba->hbalock, flag); |
dea3101e | 3896 | pmboxq->context1 = NULL; |
7054a606 JS |
3897 | /* |
3898 | * if LPFC_MBX_WAKE flag is set the mailbox is completed | |
3899 | * else do not free the resources. | |
3900 | */ | |
3901 | if (pmboxq->mbox_flag & LPFC_MBX_WAKE) | |
dea3101e | 3902 | retval = MBX_SUCCESS; |
858c9f6c | 3903 | else { |
7054a606 | 3904 | retval = MBX_TIMEOUT; |
858c9f6c JS |
3905 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
3906 | } | |
3907 | spin_unlock_irqrestore(&phba->hbalock, flag); | |
dea3101e | 3908 | } |
3909 | ||
dea3101e | 3910 | return retval; |
3911 | } | |
3912 | ||
b4c02652 JS |
3913 | int |
3914 | lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba) | |
3915 | { | |
2e0fef85 | 3916 | struct lpfc_vport *vport = phba->pport; |
b4c02652 | 3917 | int i = 0; |
ed957684 | 3918 | uint32_t ha_copy; |
b4c02652 | 3919 | |
2e0fef85 | 3920 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE && !vport->stopped) { |
b4c02652 JS |
3921 | if (i++ > LPFC_MBOX_TMO * 1000) |
3922 | return 1; | |
3923 | ||
ed957684 JS |
3924 | /* |
3925 | * Call lpfc_sli_handle_mb_event only if a mailbox cmd | |
3926 | * did finish. This way we won't get the misleading | |
3927 | * "Stray Mailbox Interrupt" message. | |
3928 | */ | |
3929 | spin_lock_irq(&phba->hbalock); | |
3930 | ha_copy = phba->work_ha; | |
3931 | phba->work_ha &= ~HA_MBATT; | |
3932 | spin_unlock_irq(&phba->hbalock); | |
3933 | ||
3934 | if (ha_copy & HA_MBATT) | |
3935 | if (lpfc_sli_handle_mb_event(phba) == 0) | |
3936 | i = 0; | |
b4c02652 JS |
3937 | |
3938 | msleep(1); | |
3939 | } | |
3940 | ||
3941 | return (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) ? 1 : 0; | |
3942 | } | |
3943 | ||
dea3101e | 3944 | irqreturn_t |
7d12e780 | 3945 | lpfc_intr_handler(int irq, void *dev_id) |
dea3101e | 3946 | { |
2e0fef85 | 3947 | struct lpfc_hba *phba; |
dea3101e | 3948 | uint32_t ha_copy; |
3949 | uint32_t work_ha_copy; | |
3950 | unsigned long status; | |
dea3101e | 3951 | uint32_t control; |
3952 | ||
92d7f7b0 | 3953 | MAILBOX_t *mbox, *pmbox; |
858c9f6c JS |
3954 | struct lpfc_vport *vport; |
3955 | struct lpfc_nodelist *ndlp; | |
3956 | struct lpfc_dmabuf *mp; | |
92d7f7b0 JS |
3957 | LPFC_MBOXQ_t *pmb; |
3958 | int rc; | |
3959 | ||
dea3101e | 3960 | /* |
3961 | * Get the driver's phba structure from the dev_id and | |
3962 | * assume the HBA is not interrupting. | |
3963 | */ | |
3964 | phba = (struct lpfc_hba *) dev_id; | |
3965 | ||
3966 | if (unlikely(!phba)) | |
3967 | return IRQ_NONE; | |
3968 | ||
8d63f375 LV |
3969 | /* If the pci channel is offline, ignore all the interrupts. */ |
3970 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
3971 | return IRQ_NONE; | |
3972 | ||
dea3101e | 3973 | phba->sli.slistat.sli_intr++; |
3974 | ||
3975 | /* | |
3976 | * Call the HBA to see if it is interrupting. If not, don't claim | |
3977 | * the interrupt | |
3978 | */ | |
3979 | ||
3980 | /* Ignore all interrupts during initialization. */ | |
2e0fef85 | 3981 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) |
dea3101e | 3982 | return IRQ_NONE; |
3983 | ||
3984 | /* | |
3985 | * Read host attention register to determine interrupt source | |
3986 | * Clear Attention Sources, except Error Attention (to | |
3987 | * preserve status) and Link Attention | |
3988 | */ | |
2e0fef85 | 3989 | spin_lock(&phba->hbalock); |
dea3101e | 3990 | ha_copy = readl(phba->HAregaddr); |
ebdbe65f JS |
3991 | /* If somebody is waiting to handle an eratt don't process it |
3992 | * here. The brdkill function will do this. | |
3993 | */ | |
2e0fef85 | 3994 | if (phba->link_flag & LS_IGNORE_ERATT) |
ebdbe65f | 3995 | ha_copy &= ~HA_ERATT; |
dea3101e | 3996 | writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); |
3997 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 3998 | spin_unlock(&phba->hbalock); |
dea3101e | 3999 | |
4000 | if (unlikely(!ha_copy)) | |
4001 | return IRQ_NONE; | |
4002 | ||
4003 | work_ha_copy = ha_copy & phba->work_ha_mask; | |
4004 | ||
4005 | if (unlikely(work_ha_copy)) { | |
4006 | if (work_ha_copy & HA_LATT) { | |
4007 | if (phba->sli.sli_flag & LPFC_PROCESS_LA) { | |
4008 | /* | |
4009 | * Turn off Link Attention interrupts | |
4010 | * until CLEAR_LA done | |
4011 | */ | |
2e0fef85 | 4012 | spin_lock(&phba->hbalock); |
dea3101e | 4013 | phba->sli.sli_flag &= ~LPFC_PROCESS_LA; |
4014 | control = readl(phba->HCregaddr); | |
4015 | control &= ~HC_LAINT_ENA; | |
4016 | writel(control, phba->HCregaddr); | |
4017 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 4018 | spin_unlock(&phba->hbalock); |
dea3101e | 4019 | } |
4020 | else | |
4021 | work_ha_copy &= ~HA_LATT; | |
4022 | } | |
4023 | ||
4024 | if (work_ha_copy & ~(HA_ERATT|HA_MBATT|HA_LATT)) { | |
858c9f6c JS |
4025 | /* |
4026 | * Turn off Slow Rings interrupts, LPFC_ELS_RING is | |
4027 | * the only slow ring. | |
4028 | */ | |
4029 | status = (work_ha_copy & | |
4030 | (HA_RXMASK << (4*LPFC_ELS_RING))); | |
4031 | status >>= (4*LPFC_ELS_RING); | |
4032 | if (status & HA_RXMASK) { | |
4033 | spin_lock(&phba->hbalock); | |
4034 | control = readl(phba->HCregaddr); | |
a58cbd52 JS |
4035 | |
4036 | lpfc_debugfs_slow_ring_trc(phba, | |
4037 | "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x", | |
4038 | control, status, | |
4039 | (uint32_t)phba->sli.slistat.sli_intr); | |
4040 | ||
858c9f6c | 4041 | if (control & (HC_R0INT_ENA << LPFC_ELS_RING)) { |
a58cbd52 JS |
4042 | lpfc_debugfs_slow_ring_trc(phba, |
4043 | "ISR Disable ring:" | |
4044 | "pwork:x%x hawork:x%x wait:x%x", | |
4045 | phba->work_ha, work_ha_copy, | |
4046 | (uint32_t)((unsigned long) | |
4047 | phba->work_wait)); | |
4048 | ||
858c9f6c JS |
4049 | control &= |
4050 | ~(HC_R0INT_ENA << LPFC_ELS_RING); | |
dea3101e | 4051 | writel(control, phba->HCregaddr); |
4052 | readl(phba->HCregaddr); /* flush */ | |
dea3101e | 4053 | } |
a58cbd52 JS |
4054 | else { |
4055 | lpfc_debugfs_slow_ring_trc(phba, | |
4056 | "ISR slow ring: pwork:" | |
4057 | "x%x hawork:x%x wait:x%x", | |
4058 | phba->work_ha, work_ha_copy, | |
4059 | (uint32_t)((unsigned long) | |
4060 | phba->work_wait)); | |
4061 | } | |
858c9f6c | 4062 | spin_unlock(&phba->hbalock); |
dea3101e | 4063 | } |
4064 | } | |
4065 | ||
4066 | if (work_ha_copy & HA_ERATT) { | |
dea3101e | 4067 | /* |
4068 | * There was a link/board error. Read the | |
4069 | * status register to retrieve the error event | |
4070 | * and process it. | |
4071 | */ | |
4072 | phba->sli.slistat.err_attn_event++; | |
4073 | /* Save status info */ | |
4074 | phba->work_hs = readl(phba->HSregaddr); | |
4075 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); | |
4076 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); | |
4077 | ||
4078 | /* Clear Chip error bit */ | |
4079 | writel(HA_ERATT, phba->HAregaddr); | |
4080 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 4081 | phba->pport->stopped = 1; |
dea3101e | 4082 | } |
4083 | ||
92d7f7b0 JS |
4084 | if ((work_ha_copy & HA_MBATT) && |
4085 | (phba->sli.mbox_active)) { | |
4086 | pmb = phba->sli.mbox_active; | |
4087 | pmbox = &pmb->mb; | |
4088 | mbox = &phba->slim2p->mbx; | |
858c9f6c | 4089 | vport = pmb->vport; |
92d7f7b0 JS |
4090 | |
4091 | /* First check out the status word */ | |
4092 | lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof(uint32_t)); | |
4093 | if (pmbox->mbxOwner != OWN_HOST) { | |
4094 | /* | |
4095 | * Stray Mailbox Interrupt, mbxCommand <cmd> | |
4096 | * mbxStatus <status> | |
4097 | */ | |
09372820 | 4098 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | |
92d7f7b0 | 4099 | LOG_SLI, |
e8b62011 | 4100 | "(%d):0304 Stray Mailbox " |
92d7f7b0 JS |
4101 | "Interrupt mbxCommand x%x " |
4102 | "mbxStatus x%x\n", | |
e8b62011 | 4103 | (vport ? vport->vpi : 0), |
92d7f7b0 JS |
4104 | pmbox->mbxCommand, |
4105 | pmbox->mbxStatus); | |
09372820 JS |
4106 | /* clear mailbox attention bit */ |
4107 | work_ha_copy &= ~HA_MBATT; | |
4108 | } else { | |
4109 | phba->last_completion_time = jiffies; | |
4110 | del_timer(&phba->sli.mbox_tmo); | |
858c9f6c | 4111 | |
09372820 JS |
4112 | phba->sli.mbox_active = NULL; |
4113 | if (pmb->mbox_cmpl) { | |
4114 | lpfc_sli_pcimem_bcopy(mbox, pmbox, | |
4115 | MAILBOX_CMD_SIZE); | |
4116 | } | |
4117 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { | |
4118 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
4119 | ||
4120 | lpfc_debugfs_disc_trc(vport, | |
4121 | LPFC_DISC_TRC_MBOX_VPORT, | |
4122 | "MBOX dflt rpi: : " | |
4123 | "status:x%x rpi:x%x", | |
4124 | (uint32_t)pmbox->mbxStatus, | |
4125 | pmbox->un.varWords[0], 0); | |
4126 | ||
4127 | if (!pmbox->mbxStatus) { | |
4128 | mp = (struct lpfc_dmabuf *) | |
4129 | (pmb->context1); | |
4130 | ndlp = (struct lpfc_nodelist *) | |
4131 | pmb->context2; | |
4132 | ||
4133 | /* Reg_LOGIN of dflt RPI was | |
4134 | * successful. new lets get | |
4135 | * rid of the RPI using the | |
4136 | * same mbox buffer. | |
4137 | */ | |
4138 | lpfc_unreg_login(phba, | |
4139 | vport->vpi, | |
4140 | pmbox->un.varWords[0], | |
4141 | pmb); | |
4142 | pmb->mbox_cmpl = | |
4143 | lpfc_mbx_cmpl_dflt_rpi; | |
4144 | pmb->context1 = mp; | |
4145 | pmb->context2 = ndlp; | |
4146 | pmb->vport = vport; | |
4147 | spin_lock(&phba->hbalock); | |
4148 | phba->sli.sli_flag &= | |
4149 | ~LPFC_SLI_MBOX_ACTIVE; | |
4150 | spin_unlock(&phba->hbalock); | |
4151 | goto send_current_mbox; | |
4152 | } | |
858c9f6c | 4153 | } |
09372820 JS |
4154 | spin_lock(&phba->pport->work_port_lock); |
4155 | phba->pport->work_port_events &= | |
4156 | ~WORKER_MBOX_TMO; | |
4157 | spin_unlock(&phba->pport->work_port_lock); | |
4158 | lpfc_mbox_cmpl_put(phba, pmb); | |
858c9f6c | 4159 | } |
92d7f7b0 JS |
4160 | } |
4161 | if ((work_ha_copy & HA_MBATT) && | |
4162 | (phba->sli.mbox_active == NULL)) { | |
4163 | send_next_mbox: | |
4164 | spin_lock(&phba->hbalock); | |
4165 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
4166 | pmb = lpfc_mbox_get(phba); | |
4167 | spin_unlock(&phba->hbalock); | |
858c9f6c | 4168 | send_current_mbox: |
92d7f7b0 JS |
4169 | /* Process next mailbox command if there is one */ |
4170 | if (pmb != NULL) { | |
4171 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
4172 | if (rc == MBX_NOT_FINISHED) { | |
4173 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; | |
4174 | lpfc_mbox_cmpl_put(phba, pmb); | |
4175 | goto send_next_mbox; | |
4176 | } | |
92d7f7b0 JS |
4177 | } |
4178 | ||
4179 | } | |
4180 | ||
2e0fef85 | 4181 | spin_lock(&phba->hbalock); |
dea3101e | 4182 | phba->work_ha |= work_ha_copy; |
4183 | if (phba->work_wait) | |
92d7f7b0 | 4184 | lpfc_worker_wake_up(phba); |
2e0fef85 | 4185 | spin_unlock(&phba->hbalock); |
dea3101e | 4186 | } |
4187 | ||
4188 | ha_copy &= ~(phba->work_ha_mask); | |
4189 | ||
4190 | /* | |
4191 | * Process all events on FCP ring. Take the optimized path for | |
4192 | * FCP IO. Any other IO is slow path and is handled by | |
4193 | * the worker thread. | |
4194 | */ | |
4195 | status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
4196 | status >>= (4*LPFC_FCP_RING); | |
858c9f6c | 4197 | if (status & HA_RXMASK) |
dea3101e | 4198 | lpfc_sli_handle_fast_ring_event(phba, |
4199 | &phba->sli.ring[LPFC_FCP_RING], | |
4200 | status); | |
a4bc3379 JS |
4201 | |
4202 | if (phba->cfg_multi_ring_support == 2) { | |
4203 | /* | |
4204 | * Process all events on extra ring. Take the optimized path | |
4205 | * for extra ring IO. Any other IO is slow path and is handled | |
4206 | * by the worker thread. | |
4207 | */ | |
4208 | status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); | |
4209 | status >>= (4*LPFC_EXTRA_RING); | |
858c9f6c | 4210 | if (status & HA_RXMASK) { |
a4bc3379 JS |
4211 | lpfc_sli_handle_fast_ring_event(phba, |
4212 | &phba->sli.ring[LPFC_EXTRA_RING], | |
4213 | status); | |
4214 | } | |
4215 | } | |
dea3101e | 4216 | return IRQ_HANDLED; |
4217 | ||
4218 | } /* lpfc_intr_handler */ |