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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. * |
d8e93df1 | 4 | * Copyright (C) 2004-2009 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> |
5a0e3ad6 | 23 | #include <linux/slab.h> |
dea3101e | 24 | #include <linux/pci.h> |
25 | #include <linux/kthread.h> | |
26 | #include <linux/interrupt.h> | |
27 | ||
91886523 | 28 | #include <scsi/scsi.h> |
dea3101e | 29 | #include <scsi/scsi_device.h> |
30 | #include <scsi/scsi_host.h> | |
31 | #include <scsi/scsi_transport_fc.h> | |
32 | ||
da0436e9 | 33 | #include "lpfc_hw4.h" |
dea3101e | 34 | #include "lpfc_hw.h" |
ea2151b4 | 35 | #include "lpfc_nl.h" |
dea3101e | 36 | #include "lpfc_disc.h" |
37 | #include "lpfc_sli.h" | |
da0436e9 | 38 | #include "lpfc_sli4.h" |
dea3101e | 39 | #include "lpfc_scsi.h" |
40 | #include "lpfc.h" | |
41 | #include "lpfc_logmsg.h" | |
42 | #include "lpfc_crtn.h" | |
92d7f7b0 | 43 | #include "lpfc_vport.h" |
858c9f6c | 44 | #include "lpfc_debugfs.h" |
dea3101e | 45 | |
46 | /* AlpaArray for assignment of scsid for scan-down and bind_method */ | |
47 | static uint8_t lpfcAlpaArray[] = { | |
48 | 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6, | |
49 | 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, | |
50 | 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, | |
51 | 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, | |
52 | 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97, | |
53 | 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79, | |
54 | 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, | |
55 | 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, | |
56 | 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A, | |
57 | 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35, | |
58 | 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, | |
59 | 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, | |
60 | 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01 | |
61 | }; | |
62 | ||
2e0fef85 | 63 | static void lpfc_disc_timeout_handler(struct lpfc_vport *); |
a6ababd2 | 64 | static void lpfc_disc_flush_list(struct lpfc_vport *vport); |
32b9793f | 65 | static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); |
dea3101e | 66 | |
c01f3208 JS |
67 | void |
68 | lpfc_terminate_rport_io(struct fc_rport *rport) | |
dea3101e | 69 | { |
c01f3208 JS |
70 | struct lpfc_rport_data *rdata; |
71 | struct lpfc_nodelist * ndlp; | |
72 | struct lpfc_hba *phba; | |
dea3101e | 73 | |
c01f3208 JS |
74 | rdata = rport->dd_data; |
75 | ndlp = rdata->pnode; | |
76 | ||
58da1ffb | 77 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
c01f3208 JS |
78 | if (rport->roles & FC_RPORT_ROLE_FCP_TARGET) |
79 | printk(KERN_ERR "Cannot find remote node" | |
80 | " to terminate I/O Data x%x\n", | |
81 | rport->port_id); | |
dea3101e | 82 | return; |
83 | } | |
84 | ||
a257bf90 | 85 | phba = ndlp->phba; |
c01f3208 | 86 | |
858c9f6c JS |
87 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
88 | "rport terminate: sid:x%x did:x%x flg:x%x", | |
89 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
90 | ||
c01f3208 | 91 | if (ndlp->nlp_sid != NLP_NO_SID) { |
51ef4c26 JS |
92 | lpfc_sli_abort_iocb(ndlp->vport, |
93 | &phba->sli.ring[phba->sli.fcp_ring], | |
94 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
c01f3208 | 95 | } |
c01f3208 JS |
96 | } |
97 | ||
98 | /* | |
99 | * This function will be called when dev_loss_tmo fire. | |
100 | */ | |
101 | void | |
102 | lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) | |
103 | { | |
104 | struct lpfc_rport_data *rdata; | |
105 | struct lpfc_nodelist * ndlp; | |
2e0fef85 | 106 | struct lpfc_vport *vport; |
858c9f6c | 107 | struct lpfc_hba *phba; |
858c9f6c | 108 | struct lpfc_work_evt *evtp; |
a8adb832 JS |
109 | int put_node; |
110 | int put_rport; | |
c01f3208 JS |
111 | |
112 | rdata = rport->dd_data; | |
113 | ndlp = rdata->pnode; | |
58da1ffb | 114 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) |
c01f3208 | 115 | return; |
c01f3208 | 116 | |
858c9f6c JS |
117 | vport = ndlp->vport; |
118 | phba = vport->phba; | |
119 | ||
120 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
121 | "rport devlosscb: sid:x%x did:x%x flg:x%x", | |
122 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
123 | ||
a8adb832 JS |
124 | /* Don't defer this if we are in the process of deleting the vport |
125 | * or unloading the driver. The unload will cleanup the node | |
126 | * appropriately we just need to cleanup the ndlp rport info here. | |
127 | */ | |
128 | if (vport->load_flag & FC_UNLOADING) { | |
129 | put_node = rdata->pnode != NULL; | |
130 | put_rport = ndlp->rport != NULL; | |
131 | rdata->pnode = NULL; | |
132 | ndlp->rport = NULL; | |
133 | if (put_node) | |
134 | lpfc_nlp_put(ndlp); | |
135 | if (put_rport) | |
136 | put_device(&rport->dev); | |
137 | return; | |
138 | } | |
139 | ||
140 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) | |
141 | return; | |
142 | ||
858c9f6c JS |
143 | evtp = &ndlp->dev_loss_evt; |
144 | ||
145 | if (!list_empty(&evtp->evt_listp)) | |
146 | return; | |
147 | ||
148 | spin_lock_irq(&phba->hbalock); | |
fa4066b6 JS |
149 | /* We need to hold the node by incrementing the reference |
150 | * count until this queued work is done | |
151 | */ | |
152 | evtp->evt_arg1 = lpfc_nlp_get(ndlp); | |
5e9d9b82 JS |
153 | if (evtp->evt_arg1) { |
154 | evtp->evt = LPFC_EVT_DEV_LOSS; | |
155 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
156 | lpfc_worker_wake_up(phba); | |
157 | } | |
858c9f6c JS |
158 | spin_unlock_irq(&phba->hbalock); |
159 | ||
858c9f6c JS |
160 | return; |
161 | } | |
162 | ||
163 | /* | |
164 | * This function is called from the worker thread when dev_loss_tmo | |
165 | * expire. | |
166 | */ | |
a6ababd2 | 167 | static void |
858c9f6c JS |
168 | lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) |
169 | { | |
170 | struct lpfc_rport_data *rdata; | |
171 | struct fc_rport *rport; | |
172 | struct lpfc_vport *vport; | |
173 | struct lpfc_hba *phba; | |
174 | uint8_t *name; | |
87af33fe JS |
175 | int put_node; |
176 | int put_rport; | |
858c9f6c JS |
177 | int warn_on = 0; |
178 | ||
179 | rport = ndlp->rport; | |
180 | ||
181 | if (!rport) | |
182 | return; | |
183 | ||
184 | rdata = rport->dd_data; | |
185 | name = (uint8_t *) &ndlp->nlp_portname; | |
186 | vport = ndlp->vport; | |
187 | phba = vport->phba; | |
188 | ||
189 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
190 | "rport devlosstmo:did:x%x type:x%x id:x%x", | |
191 | ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id); | |
192 | ||
a8adb832 JS |
193 | /* Don't defer this if we are in the process of deleting the vport |
194 | * or unloading the driver. The unload will cleanup the node | |
195 | * appropriately we just need to cleanup the ndlp rport info here. | |
196 | */ | |
197 | if (vport->load_flag & FC_UNLOADING) { | |
09372820 JS |
198 | if (ndlp->nlp_sid != NLP_NO_SID) { |
199 | /* flush the target */ | |
200 | lpfc_sli_abort_iocb(vport, | |
201 | &phba->sli.ring[phba->sli.fcp_ring], | |
202 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
203 | } | |
a8adb832 JS |
204 | put_node = rdata->pnode != NULL; |
205 | put_rport = ndlp->rport != NULL; | |
206 | rdata->pnode = NULL; | |
207 | ndlp->rport = NULL; | |
208 | if (put_node) | |
209 | lpfc_nlp_put(ndlp); | |
210 | if (put_rport) | |
211 | put_device(&rport->dev); | |
212 | return; | |
213 | } | |
214 | ||
d7c255b2 JS |
215 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) { |
216 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
217 | "0284 Devloss timeout Ignored on " | |
218 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " | |
219 | "NPort x%x\n", | |
220 | *name, *(name+1), *(name+2), *(name+3), | |
221 | *(name+4), *(name+5), *(name+6), *(name+7), | |
222 | ndlp->nlp_DID); | |
858c9f6c | 223 | return; |
d7c255b2 | 224 | } |
858c9f6c | 225 | |
92d7f7b0 JS |
226 | if (ndlp->nlp_type & NLP_FABRIC) { |
227 | /* We will clean up these Nodes in linkup */ | |
228 | put_node = rdata->pnode != NULL; | |
229 | put_rport = ndlp->rport != NULL; | |
230 | rdata->pnode = NULL; | |
231 | ndlp->rport = NULL; | |
232 | if (put_node) | |
233 | lpfc_nlp_put(ndlp); | |
234 | if (put_rport) | |
235 | put_device(&rport->dev); | |
82085718 | 236 | return; |
92d7f7b0 | 237 | } |
82085718 | 238 | |
dea3101e | 239 | if (ndlp->nlp_sid != NLP_NO_SID) { |
6e8215e4 | 240 | warn_on = 1; |
dea3101e | 241 | /* flush the target */ |
51ef4c26 JS |
242 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
243 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e | 244 | } |
c01f3208 | 245 | |
6e8215e4 | 246 | if (warn_on) { |
e8b62011 JS |
247 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
248 | "0203 Devloss timeout on " | |
58da1ffb JS |
249 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " |
250 | "NPort x%06x Data: x%x x%x x%x\n", | |
e8b62011 JS |
251 | *name, *(name+1), *(name+2), *(name+3), |
252 | *(name+4), *(name+5), *(name+6), *(name+7), | |
253 | ndlp->nlp_DID, ndlp->nlp_flag, | |
254 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 | 255 | } else { |
e8b62011 JS |
256 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
257 | "0204 Devloss timeout on " | |
58da1ffb JS |
258 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " |
259 | "NPort x%06x Data: x%x x%x x%x\n", | |
e8b62011 JS |
260 | *name, *(name+1), *(name+2), *(name+3), |
261 | *(name+4), *(name+5), *(name+6), *(name+7), | |
262 | ndlp->nlp_DID, ndlp->nlp_flag, | |
263 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 JSEC |
264 | } |
265 | ||
87af33fe JS |
266 | put_node = rdata->pnode != NULL; |
267 | put_rport = ndlp->rport != NULL; | |
268 | rdata->pnode = NULL; | |
269 | ndlp->rport = NULL; | |
270 | if (put_node) | |
271 | lpfc_nlp_put(ndlp); | |
272 | if (put_rport) | |
273 | put_device(&rport->dev); | |
274 | ||
2e0fef85 | 275 | if (!(vport->load_flag & FC_UNLOADING) && |
1dcb58e5 | 276 | !(ndlp->nlp_flag & NLP_DELAY_TMO) && |
82085718 | 277 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && |
e47c9093 | 278 | (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) |
2e0fef85 | 279 | lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); |
6fb120a7 JS |
280 | |
281 | lpfc_unregister_unused_fcf(phba); | |
92d7f7b0 | 282 | } |
c01f3208 | 283 | |
ea2151b4 | 284 | /** |
3621a710 | 285 | * lpfc_alloc_fast_evt - Allocates data structure for posting event |
ea2151b4 JS |
286 | * @phba: Pointer to hba context object. |
287 | * | |
288 | * This function is called from the functions which need to post | |
289 | * events from interrupt context. This function allocates data | |
290 | * structure required for posting event. It also keeps track of | |
291 | * number of events pending and prevent event storm when there are | |
292 | * too many events. | |
293 | **/ | |
294 | struct lpfc_fast_path_event * | |
295 | lpfc_alloc_fast_evt(struct lpfc_hba *phba) { | |
296 | struct lpfc_fast_path_event *ret; | |
297 | ||
298 | /* If there are lot of fast event do not exhaust memory due to this */ | |
299 | if (atomic_read(&phba->fast_event_count) > LPFC_MAX_EVT_COUNT) | |
300 | return NULL; | |
301 | ||
302 | ret = kzalloc(sizeof(struct lpfc_fast_path_event), | |
303 | GFP_ATOMIC); | |
6fb120a7 | 304 | if (ret) { |
ea2151b4 | 305 | atomic_inc(&phba->fast_event_count); |
6fb120a7 JS |
306 | INIT_LIST_HEAD(&ret->work_evt.evt_listp); |
307 | ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT; | |
308 | } | |
ea2151b4 JS |
309 | return ret; |
310 | } | |
311 | ||
312 | /** | |
3621a710 | 313 | * lpfc_free_fast_evt - Frees event data structure |
ea2151b4 JS |
314 | * @phba: Pointer to hba context object. |
315 | * @evt: Event object which need to be freed. | |
316 | * | |
317 | * This function frees the data structure required for posting | |
318 | * events. | |
319 | **/ | |
320 | void | |
321 | lpfc_free_fast_evt(struct lpfc_hba *phba, | |
322 | struct lpfc_fast_path_event *evt) { | |
323 | ||
324 | atomic_dec(&phba->fast_event_count); | |
325 | kfree(evt); | |
326 | } | |
327 | ||
328 | /** | |
3621a710 | 329 | * lpfc_send_fastpath_evt - Posts events generated from fast path |
ea2151b4 JS |
330 | * @phba: Pointer to hba context object. |
331 | * @evtp: Event data structure. | |
332 | * | |
333 | * This function is called from worker thread, when the interrupt | |
334 | * context need to post an event. This function posts the event | |
335 | * to fc transport netlink interface. | |
336 | **/ | |
337 | static void | |
338 | lpfc_send_fastpath_evt(struct lpfc_hba *phba, | |
339 | struct lpfc_work_evt *evtp) | |
340 | { | |
341 | unsigned long evt_category, evt_sub_category; | |
342 | struct lpfc_fast_path_event *fast_evt_data; | |
343 | char *evt_data; | |
344 | uint32_t evt_data_size; | |
345 | struct Scsi_Host *shost; | |
346 | ||
347 | fast_evt_data = container_of(evtp, struct lpfc_fast_path_event, | |
348 | work_evt); | |
349 | ||
350 | evt_category = (unsigned long) fast_evt_data->un.fabric_evt.event_type; | |
351 | evt_sub_category = (unsigned long) fast_evt_data->un. | |
352 | fabric_evt.subcategory; | |
353 | shost = lpfc_shost_from_vport(fast_evt_data->vport); | |
354 | if (evt_category == FC_REG_FABRIC_EVENT) { | |
355 | if (evt_sub_category == LPFC_EVENT_FCPRDCHKERR) { | |
356 | evt_data = (char *) &fast_evt_data->un.read_check_error; | |
357 | evt_data_size = sizeof(fast_evt_data->un. | |
358 | read_check_error); | |
359 | } else if ((evt_sub_category == LPFC_EVENT_FABRIC_BUSY) || | |
eaf15d5b | 360 | (evt_sub_category == LPFC_EVENT_PORT_BUSY)) { |
ea2151b4 JS |
361 | evt_data = (char *) &fast_evt_data->un.fabric_evt; |
362 | evt_data_size = sizeof(fast_evt_data->un.fabric_evt); | |
363 | } else { | |
364 | lpfc_free_fast_evt(phba, fast_evt_data); | |
365 | return; | |
366 | } | |
367 | } else if (evt_category == FC_REG_SCSI_EVENT) { | |
368 | switch (evt_sub_category) { | |
369 | case LPFC_EVENT_QFULL: | |
370 | case LPFC_EVENT_DEVBSY: | |
371 | evt_data = (char *) &fast_evt_data->un.scsi_evt; | |
372 | evt_data_size = sizeof(fast_evt_data->un.scsi_evt); | |
373 | break; | |
374 | case LPFC_EVENT_CHECK_COND: | |
375 | evt_data = (char *) &fast_evt_data->un.check_cond_evt; | |
376 | evt_data_size = sizeof(fast_evt_data->un. | |
377 | check_cond_evt); | |
378 | break; | |
379 | case LPFC_EVENT_VARQUEDEPTH: | |
380 | evt_data = (char *) &fast_evt_data->un.queue_depth_evt; | |
381 | evt_data_size = sizeof(fast_evt_data->un. | |
382 | queue_depth_evt); | |
383 | break; | |
384 | default: | |
385 | lpfc_free_fast_evt(phba, fast_evt_data); | |
386 | return; | |
387 | } | |
388 | } else { | |
389 | lpfc_free_fast_evt(phba, fast_evt_data); | |
390 | return; | |
391 | } | |
392 | ||
393 | fc_host_post_vendor_event(shost, | |
394 | fc_get_event_number(), | |
395 | evt_data_size, | |
396 | evt_data, | |
ddcc50f0 | 397 | LPFC_NL_VENDOR_ID); |
ea2151b4 JS |
398 | |
399 | lpfc_free_fast_evt(phba, fast_evt_data); | |
400 | return; | |
401 | } | |
402 | ||
dea3101e | 403 | static void |
2e0fef85 | 404 | lpfc_work_list_done(struct lpfc_hba *phba) |
dea3101e | 405 | { |
406 | struct lpfc_work_evt *evtp = NULL; | |
407 | struct lpfc_nodelist *ndlp; | |
408 | int free_evt; | |
409 | ||
2e0fef85 JS |
410 | spin_lock_irq(&phba->hbalock); |
411 | while (!list_empty(&phba->work_list)) { | |
dea3101e | 412 | list_remove_head((&phba->work_list), evtp, typeof(*evtp), |
413 | evt_listp); | |
2e0fef85 | 414 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 415 | free_evt = 1; |
2fe165b6 | 416 | switch (evtp->evt) { |
dea3101e | 417 | case LPFC_EVT_ELS_RETRY: |
2e0fef85 | 418 | ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); |
dea3101e | 419 | lpfc_els_retry_delay_handler(ndlp); |
92d7f7b0 | 420 | free_evt = 0; /* evt is part of ndlp */ |
fa4066b6 JS |
421 | /* decrement the node reference count held |
422 | * for this queued work | |
423 | */ | |
424 | lpfc_nlp_put(ndlp); | |
dea3101e | 425 | break; |
858c9f6c JS |
426 | case LPFC_EVT_DEV_LOSS: |
427 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); | |
858c9f6c JS |
428 | lpfc_dev_loss_tmo_handler(ndlp); |
429 | free_evt = 0; | |
fa4066b6 JS |
430 | /* decrement the node reference count held for |
431 | * this queued work | |
432 | */ | |
858c9f6c JS |
433 | lpfc_nlp_put(ndlp); |
434 | break; | |
dea3101e | 435 | case LPFC_EVT_ONLINE: |
2e0fef85 JS |
436 | if (phba->link_state < LPFC_LINK_DOWN) |
437 | *(int *) (evtp->evt_arg1) = lpfc_online(phba); | |
41415862 | 438 | else |
2e0fef85 | 439 | *(int *) (evtp->evt_arg1) = 0; |
dea3101e | 440 | complete((struct completion *)(evtp->evt_arg2)); |
441 | break; | |
46fa311e | 442 | case LPFC_EVT_OFFLINE_PREP: |
2e0fef85 | 443 | if (phba->link_state >= LPFC_LINK_DOWN) |
46fa311e JS |
444 | lpfc_offline_prep(phba); |
445 | *(int *)(evtp->evt_arg1) = 0; | |
446 | complete((struct completion *)(evtp->evt_arg2)); | |
447 | break; | |
448 | case LPFC_EVT_OFFLINE: | |
449 | lpfc_offline(phba); | |
41415862 JW |
450 | lpfc_sli_brdrestart(phba); |
451 | *(int *)(evtp->evt_arg1) = | |
46fa311e JS |
452 | lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY); |
453 | lpfc_unblock_mgmt_io(phba); | |
41415862 JW |
454 | complete((struct completion *)(evtp->evt_arg2)); |
455 | break; | |
456 | case LPFC_EVT_WARM_START: | |
46fa311e | 457 | lpfc_offline(phba); |
9290831f | 458 | lpfc_reset_barrier(phba); |
41415862 JW |
459 | lpfc_sli_brdreset(phba); |
460 | lpfc_hba_down_post(phba); | |
461 | *(int *)(evtp->evt_arg1) = | |
462 | lpfc_sli_brdready(phba, HS_MBRDY); | |
46fa311e | 463 | lpfc_unblock_mgmt_io(phba); |
41415862 JW |
464 | complete((struct completion *)(evtp->evt_arg2)); |
465 | break; | |
466 | case LPFC_EVT_KILL: | |
46fa311e | 467 | lpfc_offline(phba); |
9290831f | 468 | *(int *)(evtp->evt_arg1) |
2e0fef85 JS |
469 | = (phba->pport->stopped) |
470 | ? 0 : lpfc_sli_brdkill(phba); | |
46fa311e | 471 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 472 | complete((struct completion *)(evtp->evt_arg2)); |
473 | break; | |
ea2151b4 JS |
474 | case LPFC_EVT_FASTPATH_MGMT_EVT: |
475 | lpfc_send_fastpath_evt(phba, evtp); | |
476 | free_evt = 0; | |
477 | break; | |
dea3101e | 478 | } |
479 | if (free_evt) | |
480 | kfree(evtp); | |
2e0fef85 | 481 | spin_lock_irq(&phba->hbalock); |
dea3101e | 482 | } |
2e0fef85 | 483 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 484 | |
485 | } | |
486 | ||
311464ec | 487 | static void |
2e0fef85 | 488 | lpfc_work_done(struct lpfc_hba *phba) |
dea3101e | 489 | { |
490 | struct lpfc_sli_ring *pring; | |
858c9f6c | 491 | uint32_t ha_copy, status, control, work_port_events; |
549e55cd | 492 | struct lpfc_vport **vports; |
51ef4c26 | 493 | struct lpfc_vport *vport; |
549e55cd | 494 | int i; |
dea3101e | 495 | |
2e0fef85 | 496 | spin_lock_irq(&phba->hbalock); |
dea3101e | 497 | ha_copy = phba->work_ha; |
498 | phba->work_ha = 0; | |
2e0fef85 | 499 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 500 | |
da0436e9 JS |
501 | /* First, try to post the next mailbox command to SLI4 device */ |
502 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) | |
503 | lpfc_sli4_post_async_mbox(phba); | |
504 | ||
2fe165b6 | 505 | if (ha_copy & HA_ERATT) |
9399627f | 506 | /* Handle the error attention event */ |
dea3101e | 507 | lpfc_handle_eratt(phba); |
508 | ||
2fe165b6 | 509 | if (ha_copy & HA_MBATT) |
dea3101e | 510 | lpfc_sli_handle_mb_event(phba); |
511 | ||
2fe165b6 | 512 | if (ha_copy & HA_LATT) |
dea3101e | 513 | lpfc_handle_latt(phba); |
9399627f | 514 | |
da0436e9 JS |
515 | /* Process SLI4 events */ |
516 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) { | |
517 | if (phba->hba_flag & FCP_XRI_ABORT_EVENT) | |
518 | lpfc_sli4_fcp_xri_abort_event_proc(phba); | |
519 | if (phba->hba_flag & ELS_XRI_ABORT_EVENT) | |
520 | lpfc_sli4_els_xri_abort_event_proc(phba); | |
521 | if (phba->hba_flag & ASYNC_EVENT) | |
522 | lpfc_sli4_async_event_proc(phba); | |
523 | if (phba->hba_flag & HBA_POST_RECEIVE_BUFFER) { | |
524 | spin_lock_irq(&phba->hbalock); | |
525 | phba->hba_flag &= ~HBA_POST_RECEIVE_BUFFER; | |
526 | spin_unlock_irq(&phba->hbalock); | |
527 | lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); | |
528 | } | |
ecfd03c6 JS |
529 | if (phba->fcf.fcf_flag & FCF_REDISC_EVT) |
530 | lpfc_sli4_fcf_redisc_event_proc(phba); | |
da0436e9 JS |
531 | } |
532 | ||
549e55cd JS |
533 | vports = lpfc_create_vport_work_array(phba); |
534 | if (vports != NULL) | |
da0436e9 | 535 | for (i = 0; i <= phba->max_vports; i++) { |
51ef4c26 JS |
536 | /* |
537 | * We could have no vports in array if unloading, so if | |
538 | * this happens then just use the pport | |
539 | */ | |
540 | if (vports[i] == NULL && i == 0) | |
541 | vport = phba->pport; | |
542 | else | |
543 | vport = vports[i]; | |
544 | if (vport == NULL) | |
545 | break; | |
58da1ffb | 546 | spin_lock_irq(&vport->work_port_lock); |
51ef4c26 | 547 | work_port_events = vport->work_port_events; |
58da1ffb JS |
548 | vport->work_port_events &= ~work_port_events; |
549 | spin_unlock_irq(&vport->work_port_lock); | |
549e55cd | 550 | if (work_port_events & WORKER_DISC_TMO) |
51ef4c26 | 551 | lpfc_disc_timeout_handler(vport); |
549e55cd | 552 | if (work_port_events & WORKER_ELS_TMO) |
51ef4c26 | 553 | lpfc_els_timeout_handler(vport); |
549e55cd JS |
554 | if (work_port_events & WORKER_HB_TMO) |
555 | lpfc_hb_timeout_handler(phba); | |
556 | if (work_port_events & WORKER_MBOX_TMO) | |
557 | lpfc_mbox_timeout_handler(phba); | |
558 | if (work_port_events & WORKER_FABRIC_BLOCK_TMO) | |
559 | lpfc_unblock_fabric_iocbs(phba); | |
560 | if (work_port_events & WORKER_FDMI_TMO) | |
51ef4c26 | 561 | lpfc_fdmi_timeout_handler(vport); |
549e55cd JS |
562 | if (work_port_events & WORKER_RAMP_DOWN_QUEUE) |
563 | lpfc_ramp_down_queue_handler(phba); | |
564 | if (work_port_events & WORKER_RAMP_UP_QUEUE) | |
565 | lpfc_ramp_up_queue_handler(phba); | |
92d7f7b0 | 566 | } |
09372820 | 567 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 568 | |
858c9f6c JS |
569 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
570 | status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
571 | status >>= (4*LPFC_ELS_RING); | |
4d9ab994 JS |
572 | if ((status & HA_RXMASK) || |
573 | (pring->flag & LPFC_DEFERRED_RING_EVENT) || | |
45ed1190 | 574 | (phba->hba_flag & HBA_SP_QUEUE_EVT)) { |
0b727fea | 575 | if (pring->flag & LPFC_STOP_IOCB_EVENT) { |
858c9f6c | 576 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
5e9d9b82 JS |
577 | /* Set the lpfc data pending flag */ |
578 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
858c9f6c | 579 | } else { |
58da1ffb | 580 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; |
858c9f6c JS |
581 | lpfc_sli_handle_slow_ring_event(phba, pring, |
582 | (status & | |
583 | HA_RXMASK)); | |
858c9f6c JS |
584 | } |
585 | /* | |
586 | * Turn on Ring interrupts | |
587 | */ | |
3772a991 JS |
588 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
589 | spin_lock_irq(&phba->hbalock); | |
590 | control = readl(phba->HCregaddr); | |
591 | if (!(control & (HC_R0INT_ENA << LPFC_ELS_RING))) { | |
592 | lpfc_debugfs_slow_ring_trc(phba, | |
593 | "WRK Enable ring: cntl:x%x hacopy:x%x", | |
594 | control, ha_copy, 0); | |
595 | ||
596 | control |= (HC_R0INT_ENA << LPFC_ELS_RING); | |
597 | writel(control, phba->HCregaddr); | |
598 | readl(phba->HCregaddr); /* flush */ | |
599 | } else { | |
600 | lpfc_debugfs_slow_ring_trc(phba, | |
601 | "WRK Ring ok: cntl:x%x hacopy:x%x", | |
602 | control, ha_copy, 0); | |
603 | } | |
604 | spin_unlock_irq(&phba->hbalock); | |
a58cbd52 | 605 | } |
dea3101e | 606 | } |
2e0fef85 | 607 | lpfc_work_list_done(phba); |
dea3101e | 608 | } |
609 | ||
dea3101e | 610 | int |
611 | lpfc_do_work(void *p) | |
612 | { | |
613 | struct lpfc_hba *phba = p; | |
614 | int rc; | |
dea3101e | 615 | |
616 | set_user_nice(current, -20); | |
5e9d9b82 | 617 | phba->data_flags = 0; |
dea3101e | 618 | |
3a55b532 | 619 | while (!kthread_should_stop()) { |
5e9d9b82 JS |
620 | /* wait and check worker queue activities */ |
621 | rc = wait_event_interruptible(phba->work_waitq, | |
622 | (test_and_clear_bit(LPFC_DATA_READY, | |
623 | &phba->data_flags) | |
624 | || kthread_should_stop())); | |
3a55b532 JS |
625 | /* Signal wakeup shall terminate the worker thread */ |
626 | if (rc) { | |
627 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
628 | "0433 Wakeup on signal: rc=x%x\n", rc); | |
dea3101e | 629 | break; |
3a55b532 | 630 | } |
dea3101e | 631 | |
5e9d9b82 | 632 | /* Attend pending lpfc data processing */ |
dea3101e | 633 | lpfc_work_done(phba); |
dea3101e | 634 | } |
3a55b532 JS |
635 | phba->worker_thread = NULL; |
636 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
637 | "0432 Worker thread stopped.\n"); | |
dea3101e | 638 | return 0; |
639 | } | |
640 | ||
641 | /* | |
642 | * This is only called to handle FC worker events. Since this a rare | |
643 | * occurance, we allocate a struct lpfc_work_evt structure here instead of | |
644 | * embedding it in the IOCB. | |
645 | */ | |
646 | int | |
2e0fef85 | 647 | lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2, |
dea3101e | 648 | uint32_t evt) |
649 | { | |
650 | struct lpfc_work_evt *evtp; | |
ed957684 | 651 | unsigned long flags; |
dea3101e | 652 | |
653 | /* | |
654 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
655 | * be queued to worker thread for processing | |
656 | */ | |
92d7f7b0 | 657 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_ATOMIC); |
dea3101e | 658 | if (!evtp) |
659 | return 0; | |
660 | ||
661 | evtp->evt_arg1 = arg1; | |
662 | evtp->evt_arg2 = arg2; | |
663 | evtp->evt = evt; | |
664 | ||
ed957684 | 665 | spin_lock_irqsave(&phba->hbalock, flags); |
071fbd3d | 666 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
ed957684 | 667 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 668 | |
5e9d9b82 JS |
669 | lpfc_worker_wake_up(phba); |
670 | ||
dea3101e | 671 | return 1; |
672 | } | |
673 | ||
92d7f7b0 JS |
674 | void |
675 | lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) | |
676 | { | |
09372820 | 677 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
678 | struct lpfc_hba *phba = vport->phba; |
679 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
680 | int rc; | |
681 | ||
682 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
683 | if (!NLP_CHK_NODE_ACT(ndlp)) |
684 | continue; | |
92d7f7b0 JS |
685 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
686 | continue; | |
98c9ea5c JS |
687 | if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) || |
688 | ((vport->port_type == LPFC_NPIV_PORT) && | |
689 | (ndlp->nlp_DID == NameServer_DID))) | |
92d7f7b0 JS |
690 | lpfc_unreg_rpi(vport, ndlp); |
691 | ||
692 | /* Leave Fabric nodes alone on link down */ | |
4d9ab994 JS |
693 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
694 | (!remove && ndlp->nlp_type & NLP_FABRIC)) | |
92d7f7b0 JS |
695 | continue; |
696 | rc = lpfc_disc_state_machine(vport, ndlp, NULL, | |
697 | remove | |
698 | ? NLP_EVT_DEVICE_RM | |
699 | : NLP_EVT_DEVICE_RECOVERY); | |
700 | } | |
701 | if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) { | |
702 | lpfc_mbx_unreg_vpi(vport); | |
09372820 | 703 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 704 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
09372820 | 705 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
706 | } |
707 | } | |
708 | ||
87af33fe | 709 | void |
98c9ea5c | 710 | lpfc_port_link_failure(struct lpfc_vport *vport) |
92d7f7b0 | 711 | { |
695a814e JS |
712 | lpfc_vport_set_state(vport, FC_VPORT_LINKDOWN); |
713 | ||
45ed1190 JS |
714 | /* Cleanup any outstanding received buffers */ |
715 | lpfc_cleanup_rcv_buffers(vport); | |
716 | ||
92d7f7b0 JS |
717 | /* Cleanup any outstanding RSCN activity */ |
718 | lpfc_els_flush_rscn(vport); | |
719 | ||
720 | /* Cleanup any outstanding ELS commands */ | |
721 | lpfc_els_flush_cmd(vport); | |
722 | ||
723 | lpfc_cleanup_rpis(vport, 0); | |
724 | ||
92d7f7b0 JS |
725 | /* Turn off discovery timer if its running */ |
726 | lpfc_can_disctmo(vport); | |
727 | } | |
728 | ||
3772a991 | 729 | void |
98c9ea5c JS |
730 | lpfc_linkdown_port(struct lpfc_vport *vport) |
731 | { | |
732 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
733 | ||
734 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0); | |
735 | ||
736 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
737 | "Link Down: state:x%x rtry:x%x flg:x%x", | |
738 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
739 | ||
740 | lpfc_port_link_failure(vport); | |
741 | ||
742 | } | |
743 | ||
dea3101e | 744 | int |
685f0bf7 | 745 | lpfc_linkdown(struct lpfc_hba *phba) |
dea3101e | 746 | { |
2e0fef85 JS |
747 | struct lpfc_vport *vport = phba->pport; |
748 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
549e55cd | 749 | struct lpfc_vport **vports; |
685f0bf7 | 750 | LPFC_MBOXQ_t *mb; |
549e55cd | 751 | int i; |
dea3101e | 752 | |
3163f725 | 753 | if (phba->link_state == LPFC_LINK_DOWN) |
2e0fef85 | 754 | return 0; |
aacc20e3 JS |
755 | |
756 | /* Block all SCSI stack I/Os */ | |
757 | lpfc_scsi_dev_block(phba); | |
758 | ||
2e0fef85 | 759 | spin_lock_irq(&phba->hbalock); |
ecfd03c6 | 760 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); |
72100cc4 | 761 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 762 | if (phba->link_state > LPFC_LINK_DOWN) { |
2e0fef85 | 763 | phba->link_state = LPFC_LINK_DOWN; |
72100cc4 | 764 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 765 | phba->pport->fc_flag &= ~FC_LBIT; |
72100cc4 | 766 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 767 | } |
549e55cd JS |
768 | vports = lpfc_create_vport_work_array(phba); |
769 | if (vports != NULL) | |
6fb120a7 | 770 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
771 | /* Issue a LINK DOWN event to all nodes */ |
772 | lpfc_linkdown_port(vports[i]); | |
773 | } | |
09372820 | 774 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 775 | /* Clean up any firmware default rpi's */ |
2e0fef85 JS |
776 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
777 | if (mb) { | |
92d7f7b0 | 778 | lpfc_unreg_did(phba, 0xffff, 0xffffffff, mb); |
ed957684 | 779 | mb->vport = vport; |
2e0fef85 | 780 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 781 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 782 | == MBX_NOT_FINISHED) { |
2e0fef85 | 783 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 784 | } |
785 | } | |
786 | ||
dea3101e | 787 | /* Setup myDID for link up if we are in pt2pt mode */ |
92d7f7b0 JS |
788 | if (phba->pport->fc_flag & FC_PT2PT) { |
789 | phba->pport->fc_myDID = 0; | |
2e0fef85 JS |
790 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
791 | if (mb) { | |
dea3101e | 792 | lpfc_config_link(phba, mb); |
92d7f7b0 | 793 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
ed957684 | 794 | mb->vport = vport; |
0b727fea | 795 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 796 | == MBX_NOT_FINISHED) { |
2e0fef85 | 797 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 798 | } |
799 | } | |
2e0fef85 | 800 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 801 | phba->pport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); |
2e0fef85 | 802 | spin_unlock_irq(shost->host_lock); |
dea3101e | 803 | } |
2e0fef85 | 804 | |
92d7f7b0 JS |
805 | return 0; |
806 | } | |
dea3101e | 807 | |
92d7f7b0 JS |
808 | static void |
809 | lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport) | |
810 | { | |
811 | struct lpfc_nodelist *ndlp; | |
dea3101e | 812 | |
92d7f7b0 | 813 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
814 | if (!NLP_CHK_NODE_ACT(ndlp)) |
815 | continue; | |
92d7f7b0 JS |
816 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
817 | continue; | |
92d7f7b0 | 818 | if (ndlp->nlp_type & NLP_FABRIC) { |
e47c9093 JS |
819 | /* On Linkup its safe to clean up the ndlp |
820 | * from Fabric connections. | |
821 | */ | |
92d7f7b0 JS |
822 | if (ndlp->nlp_DID != Fabric_DID) |
823 | lpfc_unreg_rpi(vport, ndlp); | |
824 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
825 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { | |
e47c9093 JS |
826 | /* Fail outstanding IO now since device is |
827 | * marked for PLOGI. | |
828 | */ | |
92d7f7b0 JS |
829 | lpfc_unreg_rpi(vport, ndlp); |
830 | } | |
831 | } | |
dea3101e | 832 | } |
833 | ||
92d7f7b0 JS |
834 | static void |
835 | lpfc_linkup_port(struct lpfc_vport *vport) | |
dea3101e | 836 | { |
92d7f7b0 | 837 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
838 | struct lpfc_hba *phba = vport->phba; |
839 | ||
840 | if ((vport->load_flag & FC_UNLOADING) != 0) | |
841 | return; | |
842 | ||
858c9f6c JS |
843 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
844 | "Link Up: top:x%x speed:x%x flg:x%x", | |
845 | phba->fc_topology, phba->fc_linkspeed, phba->link_flag); | |
846 | ||
92d7f7b0 JS |
847 | /* If NPIV is not enabled, only bring the physical port up */ |
848 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
849 | (vport != phba->pport)) | |
850 | return; | |
dea3101e | 851 | |
2e0fef85 | 852 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0); |
d2873e4c | 853 | |
2e0fef85 | 854 | spin_lock_irq(shost->host_lock); |
2e0fef85 JS |
855 | vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | |
856 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
857 | vport->fc_flag |= FC_NDISC_ACTIVE; | |
858 | vport->fc_ns_retry = 0; | |
859 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 860 | |
92d7f7b0 JS |
861 | if (vport->fc_flag & FC_LBIT) |
862 | lpfc_linkup_cleanup_nodes(vport); | |
dea3101e | 863 | |
92d7f7b0 JS |
864 | } |
865 | ||
866 | static int | |
867 | lpfc_linkup(struct lpfc_hba *phba) | |
868 | { | |
549e55cd JS |
869 | struct lpfc_vport **vports; |
870 | int i; | |
92d7f7b0 JS |
871 | |
872 | phba->link_state = LPFC_LINK_UP; | |
873 | ||
874 | /* Unblock fabric iocbs if they are blocked */ | |
875 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
876 | del_timer_sync(&phba->fabric_block_timer); | |
877 | ||
549e55cd JS |
878 | vports = lpfc_create_vport_work_array(phba); |
879 | if (vports != NULL) | |
6fb120a7 | 880 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
549e55cd | 881 | lpfc_linkup_port(vports[i]); |
09372820 | 882 | lpfc_destroy_vport_work_array(phba, vports); |
6fb120a7 JS |
883 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
884 | (phba->sli_rev < LPFC_SLI_REV4)) | |
92d7f7b0 | 885 | lpfc_issue_clear_la(phba, phba->pport); |
dea3101e | 886 | |
887 | return 0; | |
888 | } | |
889 | ||
890 | /* | |
891 | * This routine handles processing a CLEAR_LA mailbox | |
892 | * command upon completion. It is setup in the LPFC_MBOXQ | |
893 | * as the completion routine when the command is | |
894 | * handed off to the SLI layer. | |
895 | */ | |
a6ababd2 | 896 | static void |
2e0fef85 | 897 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 898 | { |
2e0fef85 JS |
899 | struct lpfc_vport *vport = pmb->vport; |
900 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
901 | struct lpfc_sli *psli = &phba->sli; | |
04c68496 | 902 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 903 | uint32_t control; |
904 | ||
dea3101e | 905 | /* Since we don't do discovery right now, turn these off here */ |
a4bc3379 | 906 | psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 907 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
908 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
909 | ||
910 | /* Check for error */ | |
911 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
92d7f7b0 | 912 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ |
e8b62011 JS |
913 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
914 | "0320 CLEAR_LA mbxStatus error x%x hba " | |
915 | "state x%x\n", | |
916 | mb->mbxStatus, vport->port_state); | |
2e0fef85 | 917 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 918 | goto out; |
919 | } | |
920 | ||
92d7f7b0 JS |
921 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
922 | phba->link_state = LPFC_HBA_READY; | |
923 | ||
924 | spin_lock_irq(&phba->hbalock); | |
925 | psli->sli_flag |= LPFC_PROCESS_LA; | |
926 | control = readl(phba->HCregaddr); | |
927 | control |= HC_LAINT_ENA; | |
928 | writel(control, phba->HCregaddr); | |
929 | readl(phba->HCregaddr); /* flush */ | |
930 | spin_unlock_irq(&phba->hbalock); | |
1b32f6aa | 931 | mempool_free(pmb, phba->mbox_mem_pool); |
92d7f7b0 | 932 | return; |
dea3101e | 933 | |
dea3101e | 934 | out: |
935 | /* Device Discovery completes */ | |
e8b62011 JS |
936 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
937 | "0225 Device Discovery completes\n"); | |
2e0fef85 | 938 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 939 | |
2e0fef85 | 940 | spin_lock_irq(shost->host_lock); |
58da1ffb | 941 | vport->fc_flag &= ~FC_ABORT_DISCOVERY; |
2e0fef85 | 942 | spin_unlock_irq(shost->host_lock); |
dea3101e | 943 | |
2e0fef85 | 944 | lpfc_can_disctmo(vport); |
dea3101e | 945 | |
946 | /* turn on Link Attention interrupts */ | |
2e0fef85 JS |
947 | |
948 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 949 | psli->sli_flag |= LPFC_PROCESS_LA; |
950 | control = readl(phba->HCregaddr); | |
951 | control |= HC_LAINT_ENA; | |
952 | writel(control, phba->HCregaddr); | |
953 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 954 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 955 | |
956 | return; | |
957 | } | |
958 | ||
2e0fef85 | 959 | |
dea3101e | 960 | static void |
25594c6b | 961 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 962 | { |
2e0fef85 | 963 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 964 | |
04c68496 | 965 | if (pmb->u.mb.mbxStatus) |
dea3101e | 966 | goto out; |
dea3101e | 967 | |
25594c6b JW |
968 | mempool_free(pmb, phba->mbox_mem_pool); |
969 | ||
970 | if (phba->fc_topology == TOPOLOGY_LOOP && | |
2e0fef85 JS |
971 | vport->fc_flag & FC_PUBLIC_LOOP && |
972 | !(vport->fc_flag & FC_LBIT)) { | |
25594c6b | 973 | /* Need to wait for FAN - use discovery timer |
2e0fef85 | 974 | * for timeout. port_state is identically |
25594c6b JW |
975 | * LPFC_LOCAL_CFG_LINK while waiting for FAN |
976 | */ | |
2e0fef85 | 977 | lpfc_set_disctmo(vport); |
25594c6b | 978 | return; |
92d7f7b0 | 979 | } |
dea3101e | 980 | |
2e0fef85 | 981 | /* Start discovery by sending a FLOGI. port_state is identically |
25594c6b JW |
982 | * LPFC_FLOGI while waiting for FLOGI cmpl |
983 | */ | |
92d7f7b0 | 984 | if (vport->port_state != LPFC_FLOGI) { |
92d7f7b0 JS |
985 | lpfc_initial_flogi(vport); |
986 | } | |
25594c6b | 987 | return; |
dea3101e | 988 | |
989 | out: | |
e8b62011 JS |
990 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
991 | "0306 CONFIG_LINK mbxStatus error x%x " | |
992 | "HBA state x%x\n", | |
04c68496 | 993 | pmb->u.mb.mbxStatus, vport->port_state); |
92d7f7b0 | 994 | mempool_free(pmb, phba->mbox_mem_pool); |
25594c6b | 995 | |
92d7f7b0 | 996 | lpfc_linkdown(phba); |
25594c6b | 997 | |
e8b62011 JS |
998 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
999 | "0200 CONFIG_LINK bad hba state x%x\n", | |
1000 | vport->port_state); | |
dea3101e | 1001 | |
92d7f7b0 | 1002 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 1003 | return; |
1004 | } | |
1005 | ||
6fb120a7 JS |
1006 | static void |
1007 | lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1008 | { | |
1009 | struct lpfc_vport *vport = mboxq->vport; | |
1010 | unsigned long flags; | |
1011 | ||
1012 | if (mboxq->u.mb.mbxStatus) { | |
1013 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
1014 | "2017 REG_FCFI mbxStatus error x%x " | |
1015 | "HBA state x%x\n", | |
1016 | mboxq->u.mb.mbxStatus, vport->port_state); | |
1017 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1018 | return; | |
1019 | } | |
1020 | ||
1021 | /* Start FCoE discovery by sending a FLOGI. */ | |
1022 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, &mboxq->u.mqe.un.reg_fcfi); | |
1023 | /* Set the FCFI registered flag */ | |
1024 | spin_lock_irqsave(&phba->hbalock, flags); | |
1025 | phba->fcf.fcf_flag |= FCF_REGISTERED; | |
1026 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
32b9793f JS |
1027 | /* If there is a pending FCoE event, restart FCF table scan. */ |
1028 | if (lpfc_check_pending_fcoe_event(phba, 1)) { | |
1029 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1030 | return; | |
1031 | } | |
1c6f4ef5 | 1032 | spin_lock_irqsave(&phba->hbalock, flags); |
ecfd03c6 | 1033 | phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); |
4d9ab994 | 1034 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
1c6f4ef5 JS |
1035 | spin_unlock_irqrestore(&phba->hbalock, flags); |
1036 | if (vport->port_state != LPFC_FLOGI) | |
6fb120a7 | 1037 | lpfc_initial_flogi(vport); |
6fb120a7 JS |
1038 | |
1039 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1040 | return; | |
1041 | } | |
1042 | ||
1043 | /** | |
1044 | * lpfc_fab_name_match - Check if the fcf fabric name match. | |
1045 | * @fab_name: pointer to fabric name. | |
1046 | * @new_fcf_record: pointer to fcf record. | |
1047 | * | |
1048 | * This routine compare the fcf record's fabric name with provided | |
1049 | * fabric name. If the fabric name are identical this function | |
1050 | * returns 1 else return 0. | |
1051 | **/ | |
1052 | static uint32_t | |
1053 | lpfc_fab_name_match(uint8_t *fab_name, struct fcf_record *new_fcf_record) | |
1054 | { | |
ecfd03c6 JS |
1055 | if (fab_name[0] != bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record)) |
1056 | return 0; | |
1057 | if (fab_name[1] != bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record)) | |
1058 | return 0; | |
1059 | if (fab_name[2] != bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record)) | |
1060 | return 0; | |
1061 | if (fab_name[3] != bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record)) | |
1062 | return 0; | |
1063 | if (fab_name[4] != bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record)) | |
1064 | return 0; | |
1065 | if (fab_name[5] != bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record)) | |
6fb120a7 | 1066 | return 0; |
ecfd03c6 JS |
1067 | if (fab_name[6] != bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record)) |
1068 | return 0; | |
1069 | if (fab_name[7] != bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record)) | |
1070 | return 0; | |
1071 | return 1; | |
6fb120a7 JS |
1072 | } |
1073 | ||
8fa38513 JS |
1074 | /** |
1075 | * lpfc_sw_name_match - Check if the fcf switch name match. | |
1076 | * @fab_name: pointer to fabric name. | |
1077 | * @new_fcf_record: pointer to fcf record. | |
1078 | * | |
1079 | * This routine compare the fcf record's switch name with provided | |
1080 | * switch name. If the switch name are identical this function | |
1081 | * returns 1 else return 0. | |
1082 | **/ | |
1083 | static uint32_t | |
1084 | lpfc_sw_name_match(uint8_t *sw_name, struct fcf_record *new_fcf_record) | |
1085 | { | |
ecfd03c6 JS |
1086 | if (sw_name[0] != bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record)) |
1087 | return 0; | |
1088 | if (sw_name[1] != bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record)) | |
1089 | return 0; | |
1090 | if (sw_name[2] != bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record)) | |
8fa38513 | 1091 | return 0; |
ecfd03c6 JS |
1092 | if (sw_name[3] != bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record)) |
1093 | return 0; | |
1094 | if (sw_name[4] != bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record)) | |
1095 | return 0; | |
1096 | if (sw_name[5] != bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record)) | |
1097 | return 0; | |
1098 | if (sw_name[6] != bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record)) | |
1099 | return 0; | |
1100 | if (sw_name[7] != bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record)) | |
1101 | return 0; | |
1102 | return 1; | |
8fa38513 JS |
1103 | } |
1104 | ||
6fb120a7 JS |
1105 | /** |
1106 | * lpfc_mac_addr_match - Check if the fcf mac address match. | |
ecfd03c6 | 1107 | * @mac_addr: pointer to mac address. |
6fb120a7 JS |
1108 | * @new_fcf_record: pointer to fcf record. |
1109 | * | |
1110 | * This routine compare the fcf record's mac address with HBA's | |
1111 | * FCF mac address. If the mac addresses are identical this function | |
1112 | * returns 1 else return 0. | |
1113 | **/ | |
1114 | static uint32_t | |
ecfd03c6 | 1115 | lpfc_mac_addr_match(uint8_t *mac_addr, struct fcf_record *new_fcf_record) |
6fb120a7 | 1116 | { |
ecfd03c6 JS |
1117 | if (mac_addr[0] != bf_get(lpfc_fcf_record_mac_0, new_fcf_record)) |
1118 | return 0; | |
1119 | if (mac_addr[1] != bf_get(lpfc_fcf_record_mac_1, new_fcf_record)) | |
1120 | return 0; | |
1121 | if (mac_addr[2] != bf_get(lpfc_fcf_record_mac_2, new_fcf_record)) | |
1122 | return 0; | |
1123 | if (mac_addr[3] != bf_get(lpfc_fcf_record_mac_3, new_fcf_record)) | |
1124 | return 0; | |
1125 | if (mac_addr[4] != bf_get(lpfc_fcf_record_mac_4, new_fcf_record)) | |
1126 | return 0; | |
1127 | if (mac_addr[5] != bf_get(lpfc_fcf_record_mac_5, new_fcf_record)) | |
6fb120a7 | 1128 | return 0; |
ecfd03c6 JS |
1129 | return 1; |
1130 | } | |
1131 | ||
1132 | static bool | |
1133 | lpfc_vlan_id_match(uint16_t curr_vlan_id, uint16_t new_vlan_id) | |
1134 | { | |
1135 | return (curr_vlan_id == new_vlan_id); | |
6fb120a7 JS |
1136 | } |
1137 | ||
1138 | /** | |
1139 | * lpfc_copy_fcf_record - Copy fcf information to lpfc_hba. | |
ecfd03c6 | 1140 | * @fcf: pointer to driver fcf record. |
6fb120a7 JS |
1141 | * @new_fcf_record: pointer to fcf record. |
1142 | * | |
1143 | * This routine copies the FCF information from the FCF | |
1144 | * record to lpfc_hba data structure. | |
1145 | **/ | |
1146 | static void | |
ecfd03c6 JS |
1147 | lpfc_copy_fcf_record(struct lpfc_fcf_rec *fcf_rec, |
1148 | struct fcf_record *new_fcf_record) | |
6fb120a7 | 1149 | { |
ecfd03c6 JS |
1150 | /* Fabric name */ |
1151 | fcf_rec->fabric_name[0] = | |
6fb120a7 | 1152 | bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record); |
ecfd03c6 | 1153 | fcf_rec->fabric_name[1] = |
6fb120a7 | 1154 | bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record); |
ecfd03c6 | 1155 | fcf_rec->fabric_name[2] = |
6fb120a7 | 1156 | bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record); |
ecfd03c6 | 1157 | fcf_rec->fabric_name[3] = |
6fb120a7 | 1158 | bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record); |
ecfd03c6 | 1159 | fcf_rec->fabric_name[4] = |
6fb120a7 | 1160 | bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record); |
ecfd03c6 | 1161 | fcf_rec->fabric_name[5] = |
6fb120a7 | 1162 | bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record); |
ecfd03c6 | 1163 | fcf_rec->fabric_name[6] = |
6fb120a7 | 1164 | bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record); |
ecfd03c6 | 1165 | fcf_rec->fabric_name[7] = |
6fb120a7 | 1166 | bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record); |
ecfd03c6 JS |
1167 | /* Mac address */ |
1168 | fcf_rec->mac_addr[0] = bf_get(lpfc_fcf_record_mac_0, new_fcf_record); | |
1169 | fcf_rec->mac_addr[1] = bf_get(lpfc_fcf_record_mac_1, new_fcf_record); | |
1170 | fcf_rec->mac_addr[2] = bf_get(lpfc_fcf_record_mac_2, new_fcf_record); | |
1171 | fcf_rec->mac_addr[3] = bf_get(lpfc_fcf_record_mac_3, new_fcf_record); | |
1172 | fcf_rec->mac_addr[4] = bf_get(lpfc_fcf_record_mac_4, new_fcf_record); | |
1173 | fcf_rec->mac_addr[5] = bf_get(lpfc_fcf_record_mac_5, new_fcf_record); | |
1174 | /* FCF record index */ | |
1175 | fcf_rec->fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
1176 | /* FCF record priority */ | |
1177 | fcf_rec->priority = new_fcf_record->fip_priority; | |
1178 | /* Switch name */ | |
1179 | fcf_rec->switch_name[0] = | |
8fa38513 | 1180 | bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record); |
ecfd03c6 | 1181 | fcf_rec->switch_name[1] = |
8fa38513 | 1182 | bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record); |
ecfd03c6 | 1183 | fcf_rec->switch_name[2] = |
8fa38513 | 1184 | bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record); |
ecfd03c6 | 1185 | fcf_rec->switch_name[3] = |
8fa38513 | 1186 | bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record); |
ecfd03c6 | 1187 | fcf_rec->switch_name[4] = |
8fa38513 | 1188 | bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record); |
ecfd03c6 | 1189 | fcf_rec->switch_name[5] = |
8fa38513 | 1190 | bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record); |
ecfd03c6 | 1191 | fcf_rec->switch_name[6] = |
8fa38513 | 1192 | bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record); |
ecfd03c6 | 1193 | fcf_rec->switch_name[7] = |
8fa38513 | 1194 | bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record); |
6fb120a7 JS |
1195 | } |
1196 | ||
ecfd03c6 JS |
1197 | /** |
1198 | * lpfc_update_fcf_record - Update driver fcf record | |
1199 | * @phba: pointer to lpfc hba data structure. | |
1200 | * @fcf_rec: pointer to driver fcf record. | |
1201 | * @new_fcf_record: pointer to hba fcf record. | |
1202 | * @addr_mode: address mode to be set to the driver fcf record. | |
1203 | * @vlan_id: vlan tag to be set to the driver fcf record. | |
1204 | * @flag: flag bits to be set to the driver fcf record. | |
1205 | * | |
1206 | * This routine updates the driver FCF record from the new HBA FCF record | |
1207 | * together with the address mode, vlan_id, and other informations. This | |
1208 | * routine is called with the host lock held. | |
1209 | **/ | |
1210 | static void | |
1211 | __lpfc_update_fcf_record(struct lpfc_hba *phba, struct lpfc_fcf_rec *fcf_rec, | |
1212 | struct fcf_record *new_fcf_record, uint32_t addr_mode, | |
1213 | uint16_t vlan_id, uint32_t flag) | |
1214 | { | |
1215 | /* Copy the fields from the HBA's FCF record */ | |
1216 | lpfc_copy_fcf_record(fcf_rec, new_fcf_record); | |
1217 | /* Update other fields of driver FCF record */ | |
1218 | fcf_rec->addr_mode = addr_mode; | |
1219 | fcf_rec->vlan_id = vlan_id; | |
1220 | fcf_rec->flag |= (flag | RECORD_VALID); | |
1221 | } | |
1222 | ||
6fb120a7 JS |
1223 | /** |
1224 | * lpfc_register_fcf - Register the FCF with hba. | |
1225 | * @phba: pointer to lpfc hba data structure. | |
1226 | * | |
1227 | * This routine issues a register fcfi mailbox command to register | |
1228 | * the fcf with HBA. | |
1229 | **/ | |
1230 | static void | |
1231 | lpfc_register_fcf(struct lpfc_hba *phba) | |
1232 | { | |
1233 | LPFC_MBOXQ_t *fcf_mbxq; | |
1234 | int rc; | |
1235 | unsigned long flags; | |
1236 | ||
1237 | spin_lock_irqsave(&phba->hbalock, flags); | |
1238 | ||
1239 | /* If the FCF is not availabe do nothing. */ | |
1240 | if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) { | |
4d9ab994 | 1241 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
6fb120a7 JS |
1242 | spin_unlock_irqrestore(&phba->hbalock, flags); |
1243 | return; | |
1244 | } | |
1245 | ||
1246 | /* The FCF is already registered, start discovery */ | |
1247 | if (phba->fcf.fcf_flag & FCF_REGISTERED) { | |
ecfd03c6 | 1248 | phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); |
32b9793f | 1249 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
6fb120a7 JS |
1250 | spin_unlock_irqrestore(&phba->hbalock, flags); |
1251 | if (phba->pport->port_state != LPFC_FLOGI) | |
1252 | lpfc_initial_flogi(phba->pport); | |
1253 | return; | |
1254 | } | |
1255 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
1256 | ||
1257 | fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, | |
1258 | GFP_KERNEL); | |
4d9ab994 JS |
1259 | if (!fcf_mbxq) { |
1260 | spin_lock_irqsave(&phba->hbalock, flags); | |
1261 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; | |
1262 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
6fb120a7 | 1263 | return; |
4d9ab994 | 1264 | } |
6fb120a7 JS |
1265 | |
1266 | lpfc_reg_fcfi(phba, fcf_mbxq); | |
1267 | fcf_mbxq->vport = phba->pport; | |
1268 | fcf_mbxq->mbox_cmpl = lpfc_mbx_cmpl_reg_fcfi; | |
1269 | rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT); | |
4d9ab994 JS |
1270 | if (rc == MBX_NOT_FINISHED) { |
1271 | spin_lock_irqsave(&phba->hbalock, flags); | |
1272 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; | |
1273 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
6fb120a7 | 1274 | mempool_free(fcf_mbxq, phba->mbox_mem_pool); |
4d9ab994 | 1275 | } |
6fb120a7 JS |
1276 | |
1277 | return; | |
1278 | } | |
1279 | ||
1280 | /** | |
1281 | * lpfc_match_fcf_conn_list - Check if the FCF record can be used for discovery. | |
1282 | * @phba: pointer to lpfc hba data structure. | |
1283 | * @new_fcf_record: pointer to fcf record. | |
1284 | * @boot_flag: Indicates if this record used by boot bios. | |
1285 | * @addr_mode: The address mode to be used by this FCF | |
ecfd03c6 | 1286 | * @vlan_id: The vlan id to be used as vlan tagging by this FCF. |
6fb120a7 JS |
1287 | * |
1288 | * This routine compare the fcf record with connect list obtained from the | |
1289 | * config region to decide if this FCF can be used for SAN discovery. It returns | |
1290 | * 1 if this record can be used for SAN discovery else return zero. If this FCF | |
1291 | * record can be used for SAN discovery, the boot_flag will indicate if this FCF | |
1292 | * is used by boot bios and addr_mode will indicate the addressing mode to be | |
1293 | * used for this FCF when the function returns. | |
1294 | * If the FCF record need to be used with a particular vlan id, the vlan is | |
1295 | * set in the vlan_id on return of the function. If not VLAN tagging need to | |
1296 | * be used with the FCF vlan_id will be set to 0xFFFF; | |
1297 | **/ | |
1298 | static int | |
1299 | lpfc_match_fcf_conn_list(struct lpfc_hba *phba, | |
1300 | struct fcf_record *new_fcf_record, | |
1301 | uint32_t *boot_flag, uint32_t *addr_mode, | |
1302 | uint16_t *vlan_id) | |
1303 | { | |
1304 | struct lpfc_fcf_conn_entry *conn_entry; | |
4d9ab994 JS |
1305 | int i, j, fcf_vlan_id = 0; |
1306 | ||
1307 | /* Find the lowest VLAN id in the FCF record */ | |
1308 | for (i = 0; i < 512; i++) { | |
1309 | if (new_fcf_record->vlan_bitmap[i]) { | |
1310 | fcf_vlan_id = i * 8; | |
1311 | j = 0; | |
1312 | while (!((new_fcf_record->vlan_bitmap[i] >> j) & 1)) { | |
1313 | j++; | |
1314 | fcf_vlan_id++; | |
1315 | } | |
1316 | break; | |
1317 | } | |
1318 | } | |
6fb120a7 | 1319 | |
0c287589 JS |
1320 | /* If FCF not available return 0 */ |
1321 | if (!bf_get(lpfc_fcf_record_fcf_avail, new_fcf_record) || | |
1322 | !bf_get(lpfc_fcf_record_fcf_valid, new_fcf_record)) | |
1323 | return 0; | |
1324 | ||
45ed1190 | 1325 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
1326 | *boot_flag = 0; |
1327 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1328 | new_fcf_record); | |
1329 | if (phba->valid_vlan) | |
1330 | *vlan_id = phba->vlan_id; | |
1331 | else | |
1332 | *vlan_id = 0xFFFF; | |
1333 | return 1; | |
1334 | } | |
1335 | ||
1336 | /* | |
1337 | * If there are no FCF connection table entry, driver connect to all | |
1338 | * FCFs. | |
1339 | */ | |
1340 | if (list_empty(&phba->fcf_conn_rec_list)) { | |
1341 | *boot_flag = 0; | |
1342 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1343 | new_fcf_record); | |
0c287589 JS |
1344 | |
1345 | /* | |
1346 | * When there are no FCF connect entries, use driver's default | |
1347 | * addressing mode - FPMA. | |
1348 | */ | |
1349 | if (*addr_mode & LPFC_FCF_FPMA) | |
1350 | *addr_mode = LPFC_FCF_FPMA; | |
1351 | ||
4d9ab994 JS |
1352 | /* If FCF record report a vlan id use that vlan id */ |
1353 | if (fcf_vlan_id) | |
1354 | *vlan_id = fcf_vlan_id; | |
1355 | else | |
1356 | *vlan_id = 0xFFFF; | |
6fb120a7 JS |
1357 | return 1; |
1358 | } | |
1359 | ||
ecfd03c6 JS |
1360 | list_for_each_entry(conn_entry, |
1361 | &phba->fcf_conn_rec_list, list) { | |
6fb120a7 JS |
1362 | if (!(conn_entry->conn_rec.flags & FCFCNCT_VALID)) |
1363 | continue; | |
1364 | ||
1365 | if ((conn_entry->conn_rec.flags & FCFCNCT_FBNM_VALID) && | |
1366 | !lpfc_fab_name_match(conn_entry->conn_rec.fabric_name, | |
8fa38513 JS |
1367 | new_fcf_record)) |
1368 | continue; | |
1369 | if ((conn_entry->conn_rec.flags & FCFCNCT_SWNM_VALID) && | |
1370 | !lpfc_sw_name_match(conn_entry->conn_rec.switch_name, | |
1371 | new_fcf_record)) | |
6fb120a7 | 1372 | continue; |
6fb120a7 JS |
1373 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) { |
1374 | /* | |
1375 | * If the vlan bit map does not have the bit set for the | |
1376 | * vlan id to be used, then it is not a match. | |
1377 | */ | |
1378 | if (!(new_fcf_record->vlan_bitmap | |
1379 | [conn_entry->conn_rec.vlan_tag / 8] & | |
1380 | (1 << (conn_entry->conn_rec.vlan_tag % 8)))) | |
1381 | continue; | |
1382 | } | |
1383 | ||
0c287589 JS |
1384 | /* |
1385 | * If connection record does not support any addressing mode, | |
1386 | * skip the FCF record. | |
1387 | */ | |
1388 | if (!(bf_get(lpfc_fcf_record_mac_addr_prov, new_fcf_record) | |
1389 | & (LPFC_FCF_FPMA | LPFC_FCF_SPMA))) | |
1390 | continue; | |
1391 | ||
6fb120a7 JS |
1392 | /* |
1393 | * Check if the connection record specifies a required | |
1394 | * addressing mode. | |
1395 | */ | |
1396 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1397 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)) { | |
1398 | ||
1399 | /* | |
1400 | * If SPMA required but FCF not support this continue. | |
1401 | */ | |
1402 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1403 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1404 | new_fcf_record) & LPFC_FCF_SPMA)) | |
1405 | continue; | |
1406 | ||
1407 | /* | |
1408 | * If FPMA required but FCF not support this continue. | |
1409 | */ | |
1410 | if (!(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1411 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1412 | new_fcf_record) & LPFC_FCF_FPMA)) | |
1413 | continue; | |
1414 | } | |
1415 | ||
1416 | /* | |
1417 | * This fcf record matches filtering criteria. | |
1418 | */ | |
1419 | if (conn_entry->conn_rec.flags & FCFCNCT_BOOT) | |
1420 | *boot_flag = 1; | |
1421 | else | |
1422 | *boot_flag = 0; | |
1423 | ||
0c287589 JS |
1424 | /* |
1425 | * If user did not specify any addressing mode, or if the | |
1426 | * prefered addressing mode specified by user is not supported | |
1427 | * by FCF, allow fabric to pick the addressing mode. | |
1428 | */ | |
6fb120a7 JS |
1429 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, |
1430 | new_fcf_record); | |
1431 | /* | |
1432 | * If the user specified a required address mode, assign that | |
1433 | * address mode | |
1434 | */ | |
1435 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1436 | (!(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED))) | |
1437 | *addr_mode = (conn_entry->conn_rec.flags & | |
1438 | FCFCNCT_AM_SPMA) ? | |
1439 | LPFC_FCF_SPMA : LPFC_FCF_FPMA; | |
1440 | /* | |
1441 | * If the user specified a prefered address mode, use the | |
1442 | * addr mode only if FCF support the addr_mode. | |
1443 | */ | |
1444 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1445 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1446 | (conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1447 | (*addr_mode & LPFC_FCF_SPMA)) | |
1448 | *addr_mode = LPFC_FCF_SPMA; | |
1449 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1450 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1451 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1452 | (*addr_mode & LPFC_FCF_FPMA)) | |
1453 | *addr_mode = LPFC_FCF_FPMA; | |
6fb120a7 | 1454 | |
4d9ab994 | 1455 | /* If matching connect list has a vlan id, use it */ |
6fb120a7 JS |
1456 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) |
1457 | *vlan_id = conn_entry->conn_rec.vlan_tag; | |
4d9ab994 JS |
1458 | /* |
1459 | * If no vlan id is specified in connect list, use the vlan id | |
1460 | * in the FCF record | |
1461 | */ | |
1462 | else if (fcf_vlan_id) | |
1463 | *vlan_id = fcf_vlan_id; | |
6fb120a7 JS |
1464 | else |
1465 | *vlan_id = 0xFFFF; | |
1466 | ||
1467 | return 1; | |
1468 | } | |
1469 | ||
1470 | return 0; | |
1471 | } | |
1472 | ||
32b9793f JS |
1473 | /** |
1474 | * lpfc_check_pending_fcoe_event - Check if there is pending fcoe event. | |
1475 | * @phba: pointer to lpfc hba data structure. | |
1476 | * @unreg_fcf: Unregister FCF if FCF table need to be re-scaned. | |
1477 | * | |
1478 | * This function check if there is any fcoe event pending while driver | |
1479 | * scan FCF entries. If there is any pending event, it will restart the | |
1480 | * FCF saning and return 1 else return 0. | |
1481 | */ | |
1482 | int | |
1483 | lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf) | |
1484 | { | |
32b9793f JS |
1485 | /* |
1486 | * If the Link is up and no FCoE events while in the | |
1487 | * FCF discovery, no need to restart FCF discovery. | |
1488 | */ | |
1489 | if ((phba->link_state >= LPFC_LINK_UP) && | |
1490 | (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan)) | |
1491 | return 0; | |
1492 | ||
0c9ab6f5 JS |
1493 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
1494 | "2768 Pending link or FCF event during current " | |
1495 | "handling of the previous event: link_state:x%x, " | |
1496 | "evt_tag_at_scan:x%x, evt_tag_current:x%x\n", | |
1497 | phba->link_state, phba->fcoe_eventtag_at_fcf_scan, | |
1498 | phba->fcoe_eventtag); | |
1499 | ||
32b9793f JS |
1500 | spin_lock_irq(&phba->hbalock); |
1501 | phba->fcf.fcf_flag &= ~FCF_AVAILABLE; | |
1502 | spin_unlock_irq(&phba->hbalock); | |
1503 | ||
0c9ab6f5 JS |
1504 | if (phba->link_state >= LPFC_LINK_UP) { |
1505 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
1506 | "2780 Restart FCF table scan due to " | |
1507 | "pending FCF event:evt_tag_at_scan:x%x, " | |
1508 | "evt_tag_current:x%x\n", | |
1509 | phba->fcoe_eventtag_at_fcf_scan, | |
1510 | phba->fcoe_eventtag); | |
1511 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); | |
1512 | } else { | |
4d9ab994 JS |
1513 | /* |
1514 | * Do not continue FCF discovery and clear FCF_DISC_INPROGRESS | |
1515 | * flag | |
1516 | */ | |
1c6f4ef5 | 1517 | spin_lock_irq(&phba->hbalock); |
4d9ab994 | 1518 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
0c9ab6f5 | 1519 | phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY); |
1c6f4ef5 JS |
1520 | spin_unlock_irq(&phba->hbalock); |
1521 | } | |
32b9793f | 1522 | |
0c9ab6f5 | 1523 | /* Unregister the currently registered FCF if required */ |
32b9793f JS |
1524 | if (unreg_fcf) { |
1525 | spin_lock_irq(&phba->hbalock); | |
1526 | phba->fcf.fcf_flag &= ~FCF_REGISTERED; | |
1527 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 1528 | lpfc_sli4_unregister_fcf(phba); |
32b9793f | 1529 | } |
32b9793f JS |
1530 | return 1; |
1531 | } | |
1532 | ||
6fb120a7 | 1533 | /** |
0c9ab6f5 | 1534 | * lpfc_sli4_fcf_rec_mbox_parse - parse non-embedded fcf record mailbox command |
6fb120a7 JS |
1535 | * @phba: pointer to lpfc hba data structure. |
1536 | * @mboxq: pointer to mailbox object. | |
0c9ab6f5 | 1537 | * @next_fcf_index: pointer to holder of next fcf index. |
6fb120a7 | 1538 | * |
0c9ab6f5 JS |
1539 | * This routine parses the non-embedded fcf mailbox command by performing the |
1540 | * necessarily error checking, non-embedded read FCF record mailbox command | |
1541 | * SGE parsing, and endianness swapping. | |
1542 | * | |
1543 | * Returns the pointer to the new FCF record in the non-embedded mailbox | |
1544 | * command DMA memory if successfully, other NULL. | |
6fb120a7 | 1545 | */ |
0c9ab6f5 JS |
1546 | static struct fcf_record * |
1547 | lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
1548 | uint16_t *next_fcf_index) | |
6fb120a7 JS |
1549 | { |
1550 | void *virt_addr; | |
1551 | dma_addr_t phys_addr; | |
6fb120a7 JS |
1552 | struct lpfc_mbx_sge sge; |
1553 | struct lpfc_mbx_read_fcf_tbl *read_fcf; | |
1554 | uint32_t shdr_status, shdr_add_status; | |
1555 | union lpfc_sli4_cfg_shdr *shdr; | |
1556 | struct fcf_record *new_fcf_record; | |
32b9793f | 1557 | |
6fb120a7 JS |
1558 | /* Get the first SGE entry from the non-embedded DMA memory. This |
1559 | * routine only uses a single SGE. | |
1560 | */ | |
1561 | lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); | |
1562 | phys_addr = getPaddr(sge.pa_hi, sge.pa_lo); | |
1563 | if (unlikely(!mboxq->sge_array)) { | |
1564 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
1565 | "2524 Failed to get the non-embedded SGE " | |
1566 | "virtual address\n"); | |
0c9ab6f5 | 1567 | return NULL; |
6fb120a7 JS |
1568 | } |
1569 | virt_addr = mboxq->sge_array->addr[0]; | |
1570 | ||
1571 | shdr = (union lpfc_sli4_cfg_shdr *)virt_addr; | |
1572 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
0c9ab6f5 | 1573 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); |
6fb120a7 | 1574 | if (shdr_status || shdr_add_status) { |
0c9ab6f5 JS |
1575 | if (shdr_status == STATUS_FCF_TABLE_EMPTY) |
1576 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
def9c7a9 JS |
1577 | "2726 READ_FCF_RECORD Indicates empty " |
1578 | "FCF table.\n"); | |
0c9ab6f5 JS |
1579 | else |
1580 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
def9c7a9 | 1581 | "2521 READ_FCF_RECORD mailbox failed " |
0c9ab6f5 JS |
1582 | "with status x%x add_status x%x, " |
1583 | "mbx\n", shdr_status, shdr_add_status); | |
1584 | return NULL; | |
6fb120a7 | 1585 | } |
0c9ab6f5 JS |
1586 | |
1587 | /* Interpreting the returned information of the FCF record */ | |
6fb120a7 JS |
1588 | read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr; |
1589 | lpfc_sli_pcimem_bcopy(read_fcf, read_fcf, | |
1590 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
0c9ab6f5 | 1591 | *next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf); |
6fb120a7 JS |
1592 | new_fcf_record = (struct fcf_record *)(virt_addr + |
1593 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
1594 | lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record, | |
1595 | sizeof(struct fcf_record)); | |
6fb120a7 | 1596 | |
0c9ab6f5 JS |
1597 | return new_fcf_record; |
1598 | } | |
1599 | ||
1600 | /** | |
1601 | * lpfc_sli4_log_fcf_record_info - Log the information of a fcf record | |
1602 | * @phba: pointer to lpfc hba data structure. | |
1603 | * @fcf_record: pointer to the fcf record. | |
1604 | * @vlan_id: the lowest vlan identifier associated to this fcf record. | |
1605 | * @next_fcf_index: the index to the next fcf record in hba's fcf table. | |
1606 | * | |
1607 | * This routine logs the detailed FCF record if the LOG_FIP loggin is | |
1608 | * enabled. | |
1609 | **/ | |
1610 | static void | |
1611 | lpfc_sli4_log_fcf_record_info(struct lpfc_hba *phba, | |
1612 | struct fcf_record *fcf_record, | |
1613 | uint16_t vlan_id, | |
1614 | uint16_t next_fcf_index) | |
1615 | { | |
1616 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1617 | "2764 READ_FCF_RECORD:\n" | |
1618 | "\tFCF_Index : x%x\n" | |
1619 | "\tFCF_Avail : x%x\n" | |
1620 | "\tFCF_Valid : x%x\n" | |
1621 | "\tFIP_Priority : x%x\n" | |
1622 | "\tMAC_Provider : x%x\n" | |
1623 | "\tLowest VLANID : x%x\n" | |
1624 | "\tFCF_MAC Addr : x%x:%x:%x:%x:%x:%x\n" | |
1625 | "\tFabric_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n" | |
1626 | "\tSwitch_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n" | |
1627 | "\tNext_FCF_Index: x%x\n", | |
1628 | bf_get(lpfc_fcf_record_fcf_index, fcf_record), | |
1629 | bf_get(lpfc_fcf_record_fcf_avail, fcf_record), | |
1630 | bf_get(lpfc_fcf_record_fcf_valid, fcf_record), | |
1631 | fcf_record->fip_priority, | |
1632 | bf_get(lpfc_fcf_record_mac_addr_prov, fcf_record), | |
1633 | vlan_id, | |
1634 | bf_get(lpfc_fcf_record_mac_0, fcf_record), | |
1635 | bf_get(lpfc_fcf_record_mac_1, fcf_record), | |
1636 | bf_get(lpfc_fcf_record_mac_2, fcf_record), | |
1637 | bf_get(lpfc_fcf_record_mac_3, fcf_record), | |
1638 | bf_get(lpfc_fcf_record_mac_4, fcf_record), | |
1639 | bf_get(lpfc_fcf_record_mac_5, fcf_record), | |
1640 | bf_get(lpfc_fcf_record_fab_name_0, fcf_record), | |
1641 | bf_get(lpfc_fcf_record_fab_name_1, fcf_record), | |
1642 | bf_get(lpfc_fcf_record_fab_name_2, fcf_record), | |
1643 | bf_get(lpfc_fcf_record_fab_name_3, fcf_record), | |
1644 | bf_get(lpfc_fcf_record_fab_name_4, fcf_record), | |
1645 | bf_get(lpfc_fcf_record_fab_name_5, fcf_record), | |
1646 | bf_get(lpfc_fcf_record_fab_name_6, fcf_record), | |
1647 | bf_get(lpfc_fcf_record_fab_name_7, fcf_record), | |
1648 | bf_get(lpfc_fcf_record_switch_name_0, fcf_record), | |
1649 | bf_get(lpfc_fcf_record_switch_name_1, fcf_record), | |
1650 | bf_get(lpfc_fcf_record_switch_name_2, fcf_record), | |
1651 | bf_get(lpfc_fcf_record_switch_name_3, fcf_record), | |
1652 | bf_get(lpfc_fcf_record_switch_name_4, fcf_record), | |
1653 | bf_get(lpfc_fcf_record_switch_name_5, fcf_record), | |
1654 | bf_get(lpfc_fcf_record_switch_name_6, fcf_record), | |
1655 | bf_get(lpfc_fcf_record_switch_name_7, fcf_record), | |
1656 | next_fcf_index); | |
1657 | } | |
1658 | ||
1659 | /** | |
1660 | * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler. | |
1661 | * @phba: pointer to lpfc hba data structure. | |
1662 | * @mboxq: pointer to mailbox object. | |
1663 | * | |
1664 | * This function iterates through all the fcf records available in | |
1665 | * HBA and chooses the optimal FCF record for discovery. After finding | |
1666 | * the FCF for discovery it registers the FCF record and kicks start | |
1667 | * discovery. | |
1668 | * If FCF_IN_USE flag is set in currently used FCF, the routine tries to | |
1669 | * use an FCF record which matches fabric name and mac address of the | |
1670 | * currently used FCF record. | |
1671 | * If the driver supports only one FCF, it will try to use the FCF record | |
1672 | * used by BOOT_BIOS. | |
1673 | */ | |
1674 | void | |
1675 | lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1676 | { | |
1677 | struct fcf_record *new_fcf_record; | |
1678 | uint32_t boot_flag, addr_mode; | |
1679 | uint16_t fcf_index, next_fcf_index; | |
1680 | struct lpfc_fcf_rec *fcf_rec = NULL; | |
1681 | uint16_t vlan_id; | |
1682 | int rc; | |
1683 | ||
1684 | /* If there is pending FCoE event restart FCF table scan */ | |
1685 | if (lpfc_check_pending_fcoe_event(phba, 0)) { | |
1686 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1687 | return; | |
1688 | } | |
1689 | ||
1690 | /* Parse the FCF record from the non-embedded mailbox command */ | |
1691 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
1692 | &next_fcf_index); | |
1693 | if (!new_fcf_record) { | |
1694 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
1695 | "2765 Mailbox command READ_FCF_RECORD " | |
1696 | "failed to retrieve a FCF record.\n"); | |
1697 | /* Let next new FCF event trigger fast failover */ | |
1698 | spin_lock_irq(&phba->hbalock); | |
1699 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; | |
1700 | spin_unlock_irq(&phba->hbalock); | |
1701 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1702 | return; | |
1703 | } | |
1704 | ||
1705 | /* Check the FCF record against the connection list */ | |
ecfd03c6 JS |
1706 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, |
1707 | &addr_mode, &vlan_id); | |
0c9ab6f5 JS |
1708 | |
1709 | /* Log the FCF record information if turned on */ | |
1710 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
1711 | next_fcf_index); | |
1712 | ||
6fb120a7 JS |
1713 | /* |
1714 | * If the fcf record does not match with connect list entries | |
0c9ab6f5 JS |
1715 | * read the next entry; otherwise, this is an eligible FCF |
1716 | * record for round robin FCF failover. | |
6fb120a7 | 1717 | */ |
0c9ab6f5 JS |
1718 | if (!rc) { |
1719 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
1720 | "2781 FCF record fcf_index:x%x failed FCF " | |
1721 | "connection list check, fcf_avail:x%x, " | |
1722 | "fcf_valid:x%x\n", | |
1723 | bf_get(lpfc_fcf_record_fcf_index, | |
1724 | new_fcf_record), | |
1725 | bf_get(lpfc_fcf_record_fcf_avail, | |
1726 | new_fcf_record), | |
1727 | bf_get(lpfc_fcf_record_fcf_valid, | |
1728 | new_fcf_record)); | |
6fb120a7 | 1729 | goto read_next_fcf; |
0c9ab6f5 JS |
1730 | } else { |
1731 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
1732 | rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index); | |
1733 | if (rc) | |
1734 | goto read_next_fcf; | |
1735 | } | |
1736 | ||
6fb120a7 JS |
1737 | /* |
1738 | * If this is not the first FCF discovery of the HBA, use last | |
ecfd03c6 JS |
1739 | * FCF record for the discovery. The condition that a rescan |
1740 | * matches the in-use FCF record: fabric name, switch name, mac | |
1741 | * address, and vlan_id. | |
6fb120a7 | 1742 | */ |
0c9ab6f5 | 1743 | spin_lock_irq(&phba->hbalock); |
6fb120a7 | 1744 | if (phba->fcf.fcf_flag & FCF_IN_USE) { |
ecfd03c6 | 1745 | if (lpfc_fab_name_match(phba->fcf.current_rec.fabric_name, |
8fa38513 | 1746 | new_fcf_record) && |
ecfd03c6 | 1747 | lpfc_sw_name_match(phba->fcf.current_rec.switch_name, |
8fa38513 | 1748 | new_fcf_record) && |
ecfd03c6 JS |
1749 | lpfc_mac_addr_match(phba->fcf.current_rec.mac_addr, |
1750 | new_fcf_record) && | |
1751 | lpfc_vlan_id_match(phba->fcf.current_rec.vlan_id, | |
1752 | vlan_id)) { | |
6fb120a7 | 1753 | phba->fcf.fcf_flag |= FCF_AVAILABLE; |
ecfd03c6 JS |
1754 | if (phba->fcf.fcf_flag & FCF_REDISC_PEND) |
1755 | /* Stop FCF redisc wait timer if pending */ | |
1756 | __lpfc_sli4_stop_fcf_redisc_wait_timer(phba); | |
1757 | else if (phba->fcf.fcf_flag & FCF_REDISC_FOV) | |
1758 | /* If in fast failover, mark it's completed */ | |
fc2b989b | 1759 | phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | |
0c9ab6f5 JS |
1760 | FCF_DISCOVERY); |
1761 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 JS |
1762 | goto out; |
1763 | } | |
ecfd03c6 JS |
1764 | /* |
1765 | * Read next FCF record from HBA searching for the matching | |
1766 | * with in-use record only if not during the fast failover | |
1767 | * period. In case of fast failover period, it shall try to | |
1768 | * determine whether the FCF record just read should be the | |
1769 | * next candidate. | |
1770 | */ | |
1771 | if (!(phba->fcf.fcf_flag & FCF_REDISC_FOV)) { | |
0c9ab6f5 | 1772 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
1773 | goto read_next_fcf; |
1774 | } | |
6fb120a7 | 1775 | } |
ecfd03c6 JS |
1776 | /* |
1777 | * Update on failover FCF record only if it's in FCF fast-failover | |
1778 | * period; otherwise, update on current FCF record. | |
1779 | */ | |
fc2b989b JS |
1780 | if (phba->fcf.fcf_flag & FCF_REDISC_FOV) |
1781 | fcf_rec = &phba->fcf.failover_rec; | |
1782 | else | |
ecfd03c6 JS |
1783 | fcf_rec = &phba->fcf.current_rec; |
1784 | ||
6fb120a7 JS |
1785 | if (phba->fcf.fcf_flag & FCF_AVAILABLE) { |
1786 | /* | |
ecfd03c6 JS |
1787 | * If the driver FCF record does not have boot flag |
1788 | * set and new hba fcf record has boot flag set, use | |
1789 | * the new hba fcf record. | |
6fb120a7 | 1790 | */ |
ecfd03c6 JS |
1791 | if (boot_flag && !(fcf_rec->flag & BOOT_ENABLE)) { |
1792 | /* Choose this FCF record */ | |
1793 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, | |
1794 | addr_mode, vlan_id, BOOT_ENABLE); | |
0c9ab6f5 | 1795 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1796 | goto read_next_fcf; |
1797 | } | |
1798 | /* | |
ecfd03c6 JS |
1799 | * If the driver FCF record has boot flag set and the |
1800 | * new hba FCF record does not have boot flag, read | |
1801 | * the next FCF record. | |
6fb120a7 | 1802 | */ |
ecfd03c6 | 1803 | if (!boot_flag && (fcf_rec->flag & BOOT_ENABLE)) { |
0c9ab6f5 | 1804 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1805 | goto read_next_fcf; |
1806 | } | |
1807 | /* | |
ecfd03c6 JS |
1808 | * If the new hba FCF record has lower priority value |
1809 | * than the driver FCF record, use the new record. | |
6fb120a7 | 1810 | */ |
fc2b989b | 1811 | if (new_fcf_record->fip_priority < fcf_rec->priority) { |
ecfd03c6 JS |
1812 | /* Choose this FCF record */ |
1813 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, | |
1814 | addr_mode, vlan_id, 0); | |
6fb120a7 | 1815 | } |
0c9ab6f5 | 1816 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1817 | goto read_next_fcf; |
1818 | } | |
1819 | /* | |
ecfd03c6 JS |
1820 | * This is the first suitable FCF record, choose this record for |
1821 | * initial best-fit FCF. | |
6fb120a7 | 1822 | */ |
ecfd03c6 JS |
1823 | if (fcf_rec) { |
1824 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, | |
1825 | addr_mode, vlan_id, (boot_flag ? | |
1826 | BOOT_ENABLE : 0)); | |
1827 | phba->fcf.fcf_flag |= FCF_AVAILABLE; | |
6fb120a7 | 1828 | } |
0c9ab6f5 | 1829 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1830 | goto read_next_fcf; |
1831 | ||
1832 | read_next_fcf: | |
1833 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
ecfd03c6 JS |
1834 | if (next_fcf_index == LPFC_FCOE_FCF_NEXT_NONE || next_fcf_index == 0) { |
1835 | if (phba->fcf.fcf_flag & FCF_REDISC_FOV) { | |
1836 | /* | |
1837 | * Case of FCF fast failover scan | |
1838 | */ | |
1839 | ||
1840 | /* | |
1841 | * It has not found any suitable FCF record, cancel | |
1842 | * FCF scan inprogress, and do nothing | |
1843 | */ | |
1844 | if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) { | |
0c9ab6f5 JS |
1845 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
1846 | "2782 No suitable FCF record " | |
1847 | "found during this round of " | |
1848 | "post FCF rediscovery scan: " | |
1849 | "fcf_evt_tag:x%x, fcf_index: " | |
1850 | "x%x\n", | |
1851 | phba->fcoe_eventtag_at_fcf_scan, | |
1852 | bf_get(lpfc_fcf_record_fcf_index, | |
1853 | new_fcf_record)); | |
1854 | /* | |
1855 | * Let next new FCF event trigger fast | |
1856 | * failover | |
1857 | */ | |
1858 | spin_lock_irq(&phba->hbalock); | |
ecfd03c6 | 1859 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
0c9ab6f5 | 1860 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
1861 | return; |
1862 | } | |
1863 | /* | |
1864 | * It has found a suitable FCF record that is not | |
1865 | * the same as in-use FCF record, unregister the | |
1866 | * in-use FCF record, replace the in-use FCF record | |
1867 | * with the new FCF record, mark FCF fast failover | |
1868 | * completed, and then start register the new FCF | |
1869 | * record. | |
1870 | */ | |
1871 | ||
0c9ab6f5 | 1872 | /* Unregister the current in-use FCF record */ |
ecfd03c6 | 1873 | lpfc_unregister_fcf(phba); |
0c9ab6f5 JS |
1874 | |
1875 | /* Replace in-use record with the new record */ | |
ecfd03c6 JS |
1876 | memcpy(&phba->fcf.current_rec, |
1877 | &phba->fcf.failover_rec, | |
1878 | sizeof(struct lpfc_fcf_rec)); | |
1879 | /* mark the FCF fast failover completed */ | |
0c9ab6f5 JS |
1880 | spin_lock_irq(&phba->hbalock); |
1881 | phba->fcf.fcf_flag &= ~FCF_REDISC_FOV; | |
1882 | spin_unlock_irq(&phba->hbalock); | |
1883 | /* | |
1884 | * Set up the initial registered FCF index for FLOGI | |
1885 | * round robin FCF failover. | |
1886 | */ | |
1887 | phba->fcf.fcf_rr_init_indx = | |
1888 | phba->fcf.failover_rec.fcf_indx; | |
ecfd03c6 JS |
1889 | /* Register to the new FCF record */ |
1890 | lpfc_register_fcf(phba); | |
1891 | } else { | |
1892 | /* | |
1893 | * In case of transaction period to fast FCF failover, | |
1894 | * do nothing when search to the end of the FCF table. | |
1895 | */ | |
1896 | if ((phba->fcf.fcf_flag & FCF_REDISC_EVT) || | |
1897 | (phba->fcf.fcf_flag & FCF_REDISC_PEND)) | |
1898 | return; | |
1899 | /* | |
1900 | * Otherwise, initial scan or post linkdown rescan, | |
0c9ab6f5 JS |
1901 | * register with the best FCF record found so far |
1902 | * through the FCF scanning process. | |
1903 | */ | |
1904 | ||
1905 | /* mark the initial FCF discovery completed */ | |
1906 | spin_lock_irq(&phba->hbalock); | |
1907 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
1908 | spin_unlock_irq(&phba->hbalock); | |
1909 | /* | |
1910 | * Set up the initial registered FCF index for FLOGI | |
1911 | * round robin FCF failover | |
ecfd03c6 | 1912 | */ |
0c9ab6f5 JS |
1913 | phba->fcf.fcf_rr_init_indx = |
1914 | phba->fcf.current_rec.fcf_indx; | |
1915 | /* Register to the new FCF record */ | |
ecfd03c6 JS |
1916 | lpfc_register_fcf(phba); |
1917 | } | |
1918 | } else | |
0c9ab6f5 | 1919 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, next_fcf_index); |
6fb120a7 JS |
1920 | return; |
1921 | ||
1922 | out: | |
1923 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1924 | lpfc_register_fcf(phba); | |
1925 | ||
1926 | return; | |
1927 | } | |
1928 | ||
0c9ab6f5 JS |
1929 | /** |
1930 | * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf round robin read_fcf mbox cmpl hdler | |
1931 | * @phba: pointer to lpfc hba data structure. | |
1932 | * @mboxq: pointer to mailbox object. | |
1933 | * | |
1934 | * This is the callback function for FLOGI failure round robin FCF failover | |
1935 | * read FCF record mailbox command from the eligible FCF record bmask for | |
1936 | * performing the failover. If the FCF read back is not valid/available, it | |
1937 | * fails through to retrying FLOGI to the currently registered FCF again. | |
1938 | * Otherwise, if the FCF read back is valid and available, it will set the | |
1939 | * newly read FCF record to the failover FCF record, unregister currently | |
1940 | * registered FCF record, copy the failover FCF record to the current | |
1941 | * FCF record, and then register the current FCF record before proceeding | |
1942 | * to trying FLOGI on the new failover FCF. | |
1943 | */ | |
1944 | void | |
1945 | lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1946 | { | |
1947 | struct fcf_record *new_fcf_record; | |
1948 | uint32_t boot_flag, addr_mode; | |
1949 | uint16_t next_fcf_index; | |
1950 | uint16_t current_fcf_index; | |
1951 | uint16_t vlan_id; | |
1952 | ||
1953 | /* If link state is not up, stop the round robin failover process */ | |
1954 | if (phba->link_state < LPFC_LINK_UP) { | |
1955 | spin_lock_irq(&phba->hbalock); | |
1956 | phba->fcf.fcf_flag &= ~FCF_DISCOVERY; | |
1957 | spin_unlock_irq(&phba->hbalock); | |
1958 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1959 | return; | |
1960 | } | |
1961 | ||
1962 | /* Parse the FCF record from the non-embedded mailbox command */ | |
1963 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
1964 | &next_fcf_index); | |
1965 | if (!new_fcf_record) { | |
1966 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
1967 | "2766 Mailbox command READ_FCF_RECORD " | |
1968 | "failed to retrieve a FCF record.\n"); | |
1969 | goto out; | |
1970 | } | |
1971 | ||
1972 | /* Get the needed parameters from FCF record */ | |
1973 | lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, | |
1974 | &addr_mode, &vlan_id); | |
1975 | ||
1976 | /* Log the FCF record information if turned on */ | |
1977 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
1978 | next_fcf_index); | |
1979 | ||
1980 | /* Upload new FCF record to the failover FCF record */ | |
1981 | spin_lock_irq(&phba->hbalock); | |
1982 | __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec, | |
1983 | new_fcf_record, addr_mode, vlan_id, | |
1984 | (boot_flag ? BOOT_ENABLE : 0)); | |
1985 | spin_unlock_irq(&phba->hbalock); | |
1986 | ||
1987 | current_fcf_index = phba->fcf.current_rec.fcf_indx; | |
1988 | ||
1989 | /* Unregister the current in-use FCF record */ | |
1990 | lpfc_unregister_fcf(phba); | |
1991 | ||
1992 | /* Replace in-use record with the new record */ | |
1993 | memcpy(&phba->fcf.current_rec, &phba->fcf.failover_rec, | |
1994 | sizeof(struct lpfc_fcf_rec)); | |
1995 | ||
1996 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1997 | "2783 FLOGI round robin FCF failover from FCF " | |
1998 | "(index:x%x) to FCF (index:x%x).\n", | |
1999 | current_fcf_index, | |
2000 | bf_get(lpfc_fcf_record_fcf_index, new_fcf_record)); | |
2001 | ||
2002 | out: | |
2003 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2004 | lpfc_register_fcf(phba); | |
2005 | } | |
2006 | ||
2007 | /** | |
2008 | * lpfc_mbx_cmpl_read_fcf_rec - read fcf completion handler. | |
2009 | * @phba: pointer to lpfc hba data structure. | |
2010 | * @mboxq: pointer to mailbox object. | |
2011 | * | |
2012 | * This is the callback function of read FCF record mailbox command for | |
2013 | * updating the eligible FCF bmask for FLOGI failure round robin FCF | |
2014 | * failover when a new FCF event happened. If the FCF read back is | |
2015 | * valid/available and it passes the connection list check, it updates | |
2016 | * the bmask for the eligible FCF record for round robin failover. | |
2017 | */ | |
2018 | void | |
2019 | lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2020 | { | |
2021 | struct fcf_record *new_fcf_record; | |
2022 | uint32_t boot_flag, addr_mode; | |
2023 | uint16_t fcf_index, next_fcf_index; | |
2024 | uint16_t vlan_id; | |
2025 | int rc; | |
2026 | ||
2027 | /* If link state is not up, no need to proceed */ | |
2028 | if (phba->link_state < LPFC_LINK_UP) | |
2029 | goto out; | |
2030 | ||
2031 | /* If FCF discovery period is over, no need to proceed */ | |
2032 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) | |
2033 | goto out; | |
2034 | ||
2035 | /* Parse the FCF record from the non-embedded mailbox command */ | |
2036 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
2037 | &next_fcf_index); | |
2038 | if (!new_fcf_record) { | |
2039 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2040 | "2767 Mailbox command READ_FCF_RECORD " | |
2041 | "failed to retrieve a FCF record.\n"); | |
2042 | goto out; | |
2043 | } | |
2044 | ||
2045 | /* Check the connection list for eligibility */ | |
2046 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, | |
2047 | &addr_mode, &vlan_id); | |
2048 | ||
2049 | /* Log the FCF record information if turned on */ | |
2050 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
2051 | next_fcf_index); | |
2052 | ||
2053 | if (!rc) | |
2054 | goto out; | |
2055 | ||
2056 | /* Update the eligible FCF record index bmask */ | |
2057 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
2058 | rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index); | |
2059 | ||
2060 | out: | |
2061 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2062 | } | |
2063 | ||
1c6834a7 JS |
2064 | /** |
2065 | * lpfc_init_vpi_cmpl - Completion handler for init_vpi mbox command. | |
2066 | * @phba: pointer to lpfc hba data structure. | |
2067 | * @mboxq: pointer to mailbox data structure. | |
2068 | * | |
2069 | * This function handles completion of init vpi mailbox command. | |
2070 | */ | |
695a814e | 2071 | void |
1c6834a7 JS |
2072 | lpfc_init_vpi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) |
2073 | { | |
2074 | struct lpfc_vport *vport = mboxq->vport; | |
695a814e | 2075 | struct lpfc_nodelist *ndlp; |
72100cc4 JS |
2076 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2077 | ||
1c6834a7 JS |
2078 | if (mboxq->u.mb.mbxStatus) { |
2079 | lpfc_printf_vlog(vport, KERN_ERR, | |
2080 | LOG_MBOX, | |
2081 | "2609 Init VPI mailbox failed 0x%x\n", | |
2082 | mboxq->u.mb.mbxStatus); | |
2083 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2084 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2085 | return; | |
2086 | } | |
72100cc4 | 2087 | spin_lock_irq(shost->host_lock); |
1c6834a7 | 2088 | vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI; |
72100cc4 | 2089 | spin_unlock_irq(shost->host_lock); |
1c6834a7 | 2090 | |
695a814e JS |
2091 | /* If this port is physical port or FDISC is done, do reg_vpi */ |
2092 | if ((phba->pport == vport) || (vport->port_state == LPFC_FDISC)) { | |
2093 | ndlp = lpfc_findnode_did(vport, Fabric_DID); | |
2094 | if (!ndlp) | |
2095 | lpfc_printf_vlog(vport, KERN_ERR, | |
2096 | LOG_DISCOVERY, | |
2097 | "2731 Cannot find fabric " | |
2098 | "controller node\n"); | |
2099 | else | |
2100 | lpfc_register_new_vport(phba, vport, ndlp); | |
2101 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2102 | return; | |
2103 | } | |
2104 | ||
1c6834a7 JS |
2105 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
2106 | lpfc_initial_fdisc(vport); | |
2107 | else { | |
2108 | lpfc_vport_set_state(vport, FC_VPORT_NO_FABRIC_SUPP); | |
6a9c52cf JS |
2109 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
2110 | "2606 No NPIV Fabric support\n"); | |
1c6834a7 | 2111 | } |
695a814e | 2112 | mempool_free(mboxq, phba->mbox_mem_pool); |
1c6834a7 JS |
2113 | return; |
2114 | } | |
2115 | ||
ecfd03c6 JS |
2116 | /** |
2117 | * lpfc_issue_init_vpi - Issue init_vpi mailbox command. | |
2118 | * @vport: pointer to lpfc_vport data structure. | |
2119 | * | |
2120 | * This function issue a init_vpi mailbox command to initialize | |
2121 | * VPI for the vport. | |
2122 | */ | |
2123 | void | |
2124 | lpfc_issue_init_vpi(struct lpfc_vport *vport) | |
2125 | { | |
2126 | LPFC_MBOXQ_t *mboxq; | |
2127 | int rc; | |
2128 | ||
2129 | mboxq = mempool_alloc(vport->phba->mbox_mem_pool, GFP_KERNEL); | |
2130 | if (!mboxq) { | |
2131 | lpfc_printf_vlog(vport, KERN_ERR, | |
2132 | LOG_MBOX, "2607 Failed to allocate " | |
2133 | "init_vpi mailbox\n"); | |
2134 | return; | |
2135 | } | |
2136 | lpfc_init_vpi(vport->phba, mboxq, vport->vpi); | |
2137 | mboxq->vport = vport; | |
2138 | mboxq->mbox_cmpl = lpfc_init_vpi_cmpl; | |
2139 | rc = lpfc_sli_issue_mbox(vport->phba, mboxq, MBX_NOWAIT); | |
2140 | if (rc == MBX_NOT_FINISHED) { | |
2141 | lpfc_printf_vlog(vport, KERN_ERR, | |
2142 | LOG_MBOX, "2608 Failed to issue init_vpi mailbox\n"); | |
2143 | mempool_free(mboxq, vport->phba->mbox_mem_pool); | |
2144 | } | |
2145 | } | |
2146 | ||
6fb120a7 JS |
2147 | /** |
2148 | * lpfc_start_fdiscs - send fdiscs for each vports on this port. | |
2149 | * @phba: pointer to lpfc hba data structure. | |
2150 | * | |
2151 | * This function loops through the list of vports on the @phba and issues an | |
2152 | * FDISC if possible. | |
2153 | */ | |
2154 | void | |
2155 | lpfc_start_fdiscs(struct lpfc_hba *phba) | |
2156 | { | |
2157 | struct lpfc_vport **vports; | |
2158 | int i; | |
2159 | ||
2160 | vports = lpfc_create_vport_work_array(phba); | |
2161 | if (vports != NULL) { | |
2162 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
2163 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
2164 | continue; | |
2165 | /* There are no vpi for this vport */ | |
2166 | if (vports[i]->vpi > phba->max_vpi) { | |
2167 | lpfc_vport_set_state(vports[i], | |
2168 | FC_VPORT_FAILED); | |
2169 | continue; | |
2170 | } | |
2171 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2172 | lpfc_vport_set_state(vports[i], | |
2173 | FC_VPORT_LINKDOWN); | |
2174 | continue; | |
2175 | } | |
1c6834a7 | 2176 | if (vports[i]->fc_flag & FC_VPORT_NEEDS_INIT_VPI) { |
ecfd03c6 | 2177 | lpfc_issue_init_vpi(vports[i]); |
1c6834a7 JS |
2178 | continue; |
2179 | } | |
6fb120a7 JS |
2180 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
2181 | lpfc_initial_fdisc(vports[i]); | |
2182 | else { | |
2183 | lpfc_vport_set_state(vports[i], | |
2184 | FC_VPORT_NO_FABRIC_SUPP); | |
2185 | lpfc_printf_vlog(vports[i], KERN_ERR, | |
2186 | LOG_ELS, | |
2187 | "0259 No NPIV " | |
2188 | "Fabric support\n"); | |
2189 | } | |
2190 | } | |
2191 | } | |
2192 | lpfc_destroy_vport_work_array(phba, vports); | |
2193 | } | |
2194 | ||
2195 | void | |
2196 | lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2197 | { | |
2198 | struct lpfc_dmabuf *dmabuf = mboxq->context1; | |
2199 | struct lpfc_vport *vport = mboxq->vport; | |
72100cc4 | 2200 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
6fb120a7 JS |
2201 | |
2202 | if (mboxq->u.mb.mbxStatus) { | |
2203 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
2204 | "2018 REG_VFI mbxStatus error x%x " | |
2205 | "HBA state x%x\n", | |
2206 | mboxq->u.mb.mbxStatus, vport->port_state); | |
2207 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2208 | /* FLOGI failed, use loop map to make discovery list */ | |
2209 | lpfc_disc_list_loopmap(vport); | |
2210 | /* Start discovery */ | |
2211 | lpfc_disc_start(vport); | |
2212 | goto fail_free_mem; | |
2213 | } | |
2214 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2215 | goto fail_free_mem; | |
2216 | } | |
c868595d | 2217 | /* The VPI is implicitly registered when the VFI is registered */ |
72100cc4 | 2218 | spin_lock_irq(shost->host_lock); |
c868595d | 2219 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
695a814e | 2220 | vport->fc_flag |= FC_VFI_REGISTERED; |
695a814e | 2221 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 2222 | spin_unlock_irq(shost->host_lock); |
6fb120a7 JS |
2223 | |
2224 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { | |
2225 | lpfc_start_fdiscs(phba); | |
2226 | lpfc_do_scr_ns_plogi(phba, vport); | |
2227 | } | |
2228 | ||
2229 | fail_free_mem: | |
2230 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2231 | lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys); | |
2232 | kfree(dmabuf); | |
2233 | return; | |
2234 | } | |
2235 | ||
dea3101e | 2236 | static void |
2e0fef85 | 2237 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2238 | { |
6fb120a7 | 2239 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2240 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; |
2e0fef85 | 2241 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 2242 | |
2243 | ||
2244 | /* Check for error */ | |
2245 | if (mb->mbxStatus) { | |
2246 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
e8b62011 JS |
2247 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2248 | "0319 READ_SPARAM mbxStatus error x%x " | |
2249 | "hba state x%x>\n", | |
2250 | mb->mbxStatus, vport->port_state); | |
dea3101e | 2251 | lpfc_linkdown(phba); |
dea3101e | 2252 | goto out; |
2253 | } | |
2254 | ||
2e0fef85 | 2255 | memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt, |
dea3101e | 2256 | sizeof (struct serv_parm)); |
a12e07bc | 2257 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
2258 | u64_to_wwn(phba->cfg_soft_wwnn, |
2259 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 2260 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
2261 | u64_to_wwn(phba->cfg_soft_wwpn, |
2262 | vport->fc_sparam.portName.u.wwn); | |
92d7f7b0 JS |
2263 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, |
2264 | sizeof(vport->fc_nodename)); | |
2265 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, | |
2266 | sizeof(vport->fc_portname)); | |
2267 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
2268 | memcpy(&phba->wwnn, &vport->fc_nodename, sizeof(phba->wwnn)); | |
2269 | memcpy(&phba->wwpn, &vport->fc_portname, sizeof(phba->wwnn)); | |
2270 | } | |
2271 | ||
dea3101e | 2272 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2273 | kfree(mp); | |
2e0fef85 | 2274 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 2275 | return; |
2276 | ||
2277 | out: | |
2278 | pmb->context1 = NULL; | |
2279 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2280 | kfree(mp); | |
92d7f7b0 JS |
2281 | lpfc_issue_clear_la(phba, vport); |
2282 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 2283 | return; |
2284 | } | |
2285 | ||
2286 | static void | |
92d7f7b0 | 2287 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) |
dea3101e | 2288 | { |
92d7f7b0 | 2289 | struct lpfc_vport *vport = phba->pport; |
6fb120a7 | 2290 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox = NULL; |
2e0fef85 | 2291 | int i; |
14691150 JS |
2292 | struct lpfc_dmabuf *mp; |
2293 | int rc; | |
6fb120a7 | 2294 | struct fcf_record *fcf_record; |
14691150 | 2295 | |
92d7f7b0 | 2296 | spin_lock_irq(&phba->hbalock); |
2fe165b6 | 2297 | switch (la->UlnkSpeed) { |
92d7f7b0 JS |
2298 | case LA_1GHZ_LINK: |
2299 | phba->fc_linkspeed = LA_1GHZ_LINK; | |
2300 | break; | |
2301 | case LA_2GHZ_LINK: | |
2302 | phba->fc_linkspeed = LA_2GHZ_LINK; | |
2303 | break; | |
2304 | case LA_4GHZ_LINK: | |
2305 | phba->fc_linkspeed = LA_4GHZ_LINK; | |
2306 | break; | |
2307 | case LA_8GHZ_LINK: | |
2308 | phba->fc_linkspeed = LA_8GHZ_LINK; | |
2309 | break; | |
f4b4c68f JS |
2310 | case LA_10GHZ_LINK: |
2311 | phba->fc_linkspeed = LA_10GHZ_LINK; | |
2312 | break; | |
92d7f7b0 JS |
2313 | default: |
2314 | phba->fc_linkspeed = LA_UNKNW_LINK; | |
2315 | break; | |
dea3101e | 2316 | } |
2317 | ||
2318 | phba->fc_topology = la->topology; | |
92d7f7b0 | 2319 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
dea3101e | 2320 | |
2321 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
92d7f7b0 | 2322 | phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; |
dea3101e | 2323 | |
6a9c52cf JS |
2324 | /* if npiv is enabled and this adapter supports npiv log |
2325 | * a message that npiv is not supported in this topology | |
2326 | */ | |
2327 | if (phba->cfg_enable_npiv && phba->max_vpi) | |
495a714c JS |
2328 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
2329 | "1309 Link Up Event npiv not supported in loop " | |
2330 | "topology\n"); | |
92d7f7b0 | 2331 | /* Get Loop Map information */ |
dea3101e | 2332 | if (la->il) |
2e0fef85 | 2333 | vport->fc_flag |= FC_LBIT; |
dea3101e | 2334 | |
2e0fef85 | 2335 | vport->fc_myDID = la->granted_AL_PA; |
dea3101e | 2336 | i = la->un.lilpBde64.tus.f.bdeSize; |
2337 | ||
2338 | if (i == 0) { | |
2339 | phba->alpa_map[0] = 0; | |
2340 | } else { | |
e8b62011 | 2341 | if (vport->cfg_log_verbose & LOG_LINK_EVENT) { |
dea3101e | 2342 | int numalpa, j, k; |
2343 | union { | |
2344 | uint8_t pamap[16]; | |
2345 | struct { | |
2346 | uint32_t wd1; | |
2347 | uint32_t wd2; | |
2348 | uint32_t wd3; | |
2349 | uint32_t wd4; | |
2350 | } pa; | |
2351 | } un; | |
2352 | numalpa = phba->alpa_map[0]; | |
2353 | j = 0; | |
2354 | while (j < numalpa) { | |
2355 | memset(un.pamap, 0, 16); | |
2356 | for (k = 1; j < numalpa; k++) { | |
2357 | un.pamap[k - 1] = | |
2358 | phba->alpa_map[j + 1]; | |
2359 | j++; | |
2360 | if (k == 16) | |
2361 | break; | |
2362 | } | |
2363 | /* Link Up Event ALPA map */ | |
2364 | lpfc_printf_log(phba, | |
92d7f7b0 JS |
2365 | KERN_WARNING, |
2366 | LOG_LINK_EVENT, | |
e8b62011 | 2367 | "1304 Link Up Event " |
92d7f7b0 JS |
2368 | "ALPA map Data: x%x " |
2369 | "x%x x%x x%x\n", | |
92d7f7b0 JS |
2370 | un.pa.wd1, un.pa.wd2, |
2371 | un.pa.wd3, un.pa.wd4); | |
dea3101e | 2372 | } |
2373 | } | |
2374 | } | |
2375 | } else { | |
92d7f7b0 | 2376 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) { |
78b2d852 | 2377 | if (phba->max_vpi && phba->cfg_enable_npiv && |
92d7f7b0 JS |
2378 | (phba->sli_rev == 3)) |
2379 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; | |
2380 | } | |
2e0fef85 JS |
2381 | vport->fc_myDID = phba->fc_pref_DID; |
2382 | vport->fc_flag |= FC_LBIT; | |
dea3101e | 2383 | } |
92d7f7b0 | 2384 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2385 | |
2386 | lpfc_linkup(phba); | |
9f1177a3 JS |
2387 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2388 | if (!sparam_mbox) | |
2389 | goto out; | |
2390 | ||
2391 | rc = lpfc_read_sparam(phba, sparam_mbox, 0); | |
2392 | if (rc) { | |
2393 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
2394 | goto out; | |
2395 | } | |
2396 | sparam_mbox->vport = vport; | |
2397 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; | |
2398 | rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT); | |
2399 | if (rc == MBX_NOT_FINISHED) { | |
2400 | mp = (struct lpfc_dmabuf *) sparam_mbox->context1; | |
2401 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2402 | kfree(mp); | |
2403 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
2404 | goto out; | |
dea3101e | 2405 | } |
2406 | ||
6fb120a7 JS |
2407 | if (!(phba->hba_flag & HBA_FCOE_SUPPORT)) { |
2408 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2409 | if (!cfglink_mbox) | |
2410 | goto out; | |
2e0fef85 | 2411 | vport->port_state = LPFC_LOCAL_CFG_LINK; |
dea3101e | 2412 | lpfc_config_link(phba, cfglink_mbox); |
2e0fef85 | 2413 | cfglink_mbox->vport = vport; |
25594c6b | 2414 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
0b727fea | 2415 | rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT); |
6fb120a7 JS |
2416 | if (rc == MBX_NOT_FINISHED) { |
2417 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
2418 | goto out; | |
2419 | } | |
2420 | } else { | |
32b9793f | 2421 | vport->port_state = LPFC_VPORT_UNKNOWN; |
6fb120a7 JS |
2422 | /* |
2423 | * Add the driver's default FCF record at FCF index 0 now. This | |
2424 | * is phase 1 implementation that support FCF index 0 and driver | |
2425 | * defaults. | |
2426 | */ | |
45ed1190 | 2427 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
2428 | fcf_record = kzalloc(sizeof(struct fcf_record), |
2429 | GFP_KERNEL); | |
2430 | if (unlikely(!fcf_record)) { | |
2431 | lpfc_printf_log(phba, KERN_ERR, | |
2432 | LOG_MBOX | LOG_SLI, | |
2433 | "2554 Could not allocate memmory for " | |
2434 | "fcf record\n"); | |
2435 | rc = -ENODEV; | |
2436 | goto out; | |
2437 | } | |
2438 | ||
2439 | lpfc_sli4_build_dflt_fcf_record(phba, fcf_record, | |
2440 | LPFC_FCOE_FCF_DEF_INDEX); | |
2441 | rc = lpfc_sli4_add_fcf_record(phba, fcf_record); | |
2442 | if (unlikely(rc)) { | |
2443 | lpfc_printf_log(phba, KERN_ERR, | |
2444 | LOG_MBOX | LOG_SLI, | |
2445 | "2013 Could not manually add FCF " | |
2446 | "record 0, status %d\n", rc); | |
2447 | rc = -ENODEV; | |
2448 | kfree(fcf_record); | |
2449 | goto out; | |
2450 | } | |
2451 | kfree(fcf_record); | |
2452 | } | |
2453 | /* | |
2454 | * The driver is expected to do FIP/FCF. Call the port | |
2455 | * and get the FCF Table. | |
2456 | */ | |
32b9793f JS |
2457 | spin_lock_irq(&phba->hbalock); |
2458 | if (phba->hba_flag & FCF_DISC_INPROGRESS) { | |
2459 | spin_unlock_irq(&phba->hbalock); | |
2460 | return; | |
2461 | } | |
0c9ab6f5 JS |
2462 | /* This is the initial FCF discovery scan */ |
2463 | phba->fcf.fcf_flag |= FCF_INIT_DISC; | |
32b9793f | 2464 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 JS |
2465 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
2466 | "2778 Start FCF table scan at linkup\n"); | |
2467 | ||
2468 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, | |
2469 | LPFC_FCOE_FCF_GET_FIRST); | |
2470 | if (rc) { | |
2471 | spin_lock_irq(&phba->hbalock); | |
2472 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
2473 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 | 2474 | goto out; |
0c9ab6f5 | 2475 | } |
dea3101e | 2476 | } |
6fb120a7 JS |
2477 | |
2478 | return; | |
92d7f7b0 JS |
2479 | out: |
2480 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
2481 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2482 | "0263 Discovery Mailbox error: state: 0x%x : %p %p\n", | |
2483 | vport->port_state, sparam_mbox, cfglink_mbox); | |
92d7f7b0 JS |
2484 | lpfc_issue_clear_la(phba, vport); |
2485 | return; | |
dea3101e | 2486 | } |
2487 | ||
2488 | static void | |
84774a4d | 2489 | lpfc_enable_la(struct lpfc_hba *phba) |
2e0fef85 | 2490 | { |
dea3101e | 2491 | uint32_t control; |
2492 | struct lpfc_sli *psli = &phba->sli; | |
2e0fef85 | 2493 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2494 | psli->sli_flag |= LPFC_PROCESS_LA; |
3772a991 JS |
2495 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
2496 | control = readl(phba->HCregaddr); | |
2497 | control |= HC_LAINT_ENA; | |
2498 | writel(control, phba->HCregaddr); | |
2499 | readl(phba->HCregaddr); /* flush */ | |
2500 | } | |
2e0fef85 | 2501 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2502 | } |
2503 | ||
84774a4d JS |
2504 | static void |
2505 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) | |
2506 | { | |
2507 | lpfc_linkdown(phba); | |
2508 | lpfc_enable_la(phba); | |
6fb120a7 | 2509 | lpfc_unregister_unused_fcf(phba); |
84774a4d JS |
2510 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ |
2511 | } | |
2512 | ||
2513 | ||
dea3101e | 2514 | /* |
2515 | * This routine handles processing a READ_LA mailbox | |
2516 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2517 | * as the completion routine when the command is | |
2518 | * handed off to the SLI layer. | |
2519 | */ | |
2520 | void | |
2e0fef85 | 2521 | lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2522 | { |
2e0fef85 JS |
2523 | struct lpfc_vport *vport = pmb->vport; |
2524 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 2525 | READ_LA_VAR *la; |
04c68496 | 2526 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2527 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2528 | ||
0d2b6b83 JS |
2529 | /* Unblock ELS traffic */ |
2530 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; | |
dea3101e | 2531 | /* Check for error */ |
2532 | if (mb->mbxStatus) { | |
ed957684 | 2533 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
e8b62011 JS |
2534 | "1307 READ_LA mbox error x%x state x%x\n", |
2535 | mb->mbxStatus, vport->port_state); | |
dea3101e | 2536 | lpfc_mbx_issue_link_down(phba); |
2e0fef85 | 2537 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2538 | goto lpfc_mbx_cmpl_read_la_free_mbuf; |
2539 | } | |
2540 | ||
04c68496 | 2541 | la = (READ_LA_VAR *) &pmb->u.mb.un.varReadLA; |
dea3101e | 2542 | |
2543 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
2544 | ||
2e0fef85 | 2545 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2546 | if (la->pb) |
2e0fef85 | 2547 | vport->fc_flag |= FC_BYPASSED_MODE; |
c9f8735b | 2548 | else |
2e0fef85 JS |
2549 | vport->fc_flag &= ~FC_BYPASSED_MODE; |
2550 | spin_unlock_irq(shost->host_lock); | |
c9f8735b | 2551 | |
0c287589 | 2552 | if ((phba->fc_eventTag < la->eventTag) || |
92d7f7b0 | 2553 | (phba->fc_eventTag == la->eventTag)) { |
dea3101e | 2554 | phba->fc_stat.LinkMultiEvent++; |
2e0fef85 | 2555 | if (la->attType == AT_LINK_UP) |
dea3101e | 2556 | if (phba->fc_eventTag != 0) |
2557 | lpfc_linkdown(phba); | |
92d7f7b0 | 2558 | } |
dea3101e | 2559 | |
2560 | phba->fc_eventTag = la->eventTag; | |
72100cc4 | 2561 | spin_lock_irq(&phba->hbalock); |
84774a4d JS |
2562 | if (la->mm) |
2563 | phba->sli.sli_flag |= LPFC_MENLO_MAINT; | |
2564 | else | |
2565 | phba->sli.sli_flag &= ~LPFC_MENLO_MAINT; | |
72100cc4 | 2566 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2567 | |
4d9ab994 | 2568 | phba->link_events++; |
84774a4d | 2569 | if (la->attType == AT_LINK_UP && (!la->mm)) { |
dea3101e | 2570 | phba->fc_stat.LinkUp++; |
2e0fef85 | 2571 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
3163f725 | 2572 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
e8b62011 JS |
2573 | "1306 Link Up Event in loop back mode " |
2574 | "x%x received Data: x%x x%x x%x x%x\n", | |
2575 | la->eventTag, phba->fc_eventTag, | |
2576 | la->granted_AL_PA, la->UlnkSpeed, | |
2577 | phba->alpa_map[0]); | |
5b8bd0c9 JS |
2578 | } else { |
2579 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 | 2580 | "1303 Link Up Event x%x received " |
84774a4d | 2581 | "Data: x%x x%x x%x x%x x%x x%x %d\n", |
e8b62011 JS |
2582 | la->eventTag, phba->fc_eventTag, |
2583 | la->granted_AL_PA, la->UlnkSpeed, | |
84774a4d JS |
2584 | phba->alpa_map[0], |
2585 | la->mm, la->fa, | |
2586 | phba->wait_4_mlo_maint_flg); | |
5b8bd0c9 | 2587 | } |
92d7f7b0 | 2588 | lpfc_mbx_process_link_up(phba, la); |
84774a4d | 2589 | } else if (la->attType == AT_LINK_DOWN) { |
dea3101e | 2590 | phba->fc_stat.LinkDown++; |
3163f725 JS |
2591 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
2592 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
2593 | "1308 Link Down Event in loop back mode " | |
2594 | "x%x received " | |
2595 | "Data: x%x x%x x%x\n", | |
2596 | la->eventTag, phba->fc_eventTag, | |
2597 | phba->pport->port_state, vport->fc_flag); | |
2598 | } | |
2599 | else { | |
2600 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 | 2601 | "1305 Link Down Event x%x received " |
84774a4d JS |
2602 | "Data: x%x x%x x%x x%x x%x\n", |
2603 | la->eventTag, phba->fc_eventTag, | |
2604 | phba->pport->port_state, vport->fc_flag, | |
2605 | la->mm, la->fa); | |
2606 | } | |
2607 | lpfc_mbx_issue_link_down(phba); | |
2608 | } | |
2609 | if (la->mm && la->attType == AT_LINK_UP) { | |
2610 | if (phba->link_state != LPFC_LINK_DOWN) { | |
2611 | phba->fc_stat.LinkDown++; | |
2612 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
2613 | "1312 Link Down Event x%x received " | |
dea3101e | 2614 | "Data: x%x x%x x%x\n", |
e8b62011 | 2615 | la->eventTag, phba->fc_eventTag, |
2e0fef85 | 2616 | phba->pport->port_state, vport->fc_flag); |
84774a4d JS |
2617 | lpfc_mbx_issue_link_down(phba); |
2618 | } else | |
2619 | lpfc_enable_la(phba); | |
2620 | ||
2621 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
2622 | "1310 Menlo Maint Mode Link up Event x%x rcvd " | |
2623 | "Data: x%x x%x x%x\n", | |
2624 | la->eventTag, phba->fc_eventTag, | |
2625 | phba->pport->port_state, vport->fc_flag); | |
2626 | /* | |
2627 | * The cmnd that triggered this will be waiting for this | |
2628 | * signal. | |
2629 | */ | |
2630 | /* WAKEUP for MENLO_SET_MODE or MENLO_RESET command. */ | |
2631 | if (phba->wait_4_mlo_maint_flg) { | |
2632 | phba->wait_4_mlo_maint_flg = 0; | |
2633 | wake_up_interruptible(&phba->wait_4_mlo_m_q); | |
3163f725 | 2634 | } |
84774a4d JS |
2635 | } |
2636 | ||
2637 | if (la->fa) { | |
2638 | if (la->mm) | |
2639 | lpfc_issue_clear_la(phba, vport); | |
2640 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
2641 | "1311 fa %d\n", la->fa); | |
dea3101e | 2642 | } |
2643 | ||
2644 | lpfc_mbx_cmpl_read_la_free_mbuf: | |
2645 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2646 | kfree(mp); | |
2647 | mempool_free(pmb, phba->mbox_mem_pool); | |
2648 | return; | |
2649 | } | |
2650 | ||
2651 | /* | |
2652 | * This routine handles processing a REG_LOGIN mailbox | |
2653 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2654 | * as the completion routine when the command is | |
2655 | * handed off to the SLI layer. | |
2656 | */ | |
2657 | void | |
2e0fef85 | 2658 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2659 | { |
2e0fef85 | 2660 | struct lpfc_vport *vport = pmb->vport; |
92d7f7b0 | 2661 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2e0fef85 | 2662 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; |
dea3101e | 2663 | |
dea3101e | 2664 | pmb->context1 = NULL; |
2665 | ||
2666 | /* Good status, call state machine */ | |
2e0fef85 | 2667 | lpfc_disc_state_machine(vport, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); |
dea3101e | 2668 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2669 | kfree(mp); | |
2e0fef85 | 2670 | mempool_free(pmb, phba->mbox_mem_pool); |
fa4066b6 JS |
2671 | /* decrement the node reference count held for this callback |
2672 | * function. | |
2673 | */ | |
329f9bc7 | 2674 | lpfc_nlp_put(ndlp); |
dea3101e | 2675 | |
2676 | return; | |
2677 | } | |
2678 | ||
92d7f7b0 JS |
2679 | static void |
2680 | lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2681 | { | |
04c68496 | 2682 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
2683 | struct lpfc_vport *vport = pmb->vport; |
2684 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2685 | ||
2686 | switch (mb->mbxStatus) { | |
2687 | case 0x0011: | |
2688 | case 0x0020: | |
2689 | case 0x9700: | |
e8b62011 JS |
2690 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
2691 | "0911 cmpl_unreg_vpi, mb status = 0x%x\n", | |
2692 | mb->mbxStatus); | |
92d7f7b0 | 2693 | break; |
92d7f7b0 | 2694 | } |
72100cc4 | 2695 | spin_lock_irq(shost->host_lock); |
c868595d | 2696 | vport->vpi_state &= ~LPFC_VPI_REGISTERED; |
1987807d | 2697 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 2698 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
2699 | vport->unreg_vpi_cmpl = VPORT_OK; |
2700 | mempool_free(pmb, phba->mbox_mem_pool); | |
2701 | /* | |
2702 | * This shost reference might have been taken at the beginning of | |
2703 | * lpfc_vport_delete() | |
2704 | */ | |
1c6f4ef5 | 2705 | if ((vport->load_flag & FC_UNLOADING) && (vport != phba->pport)) |
92d7f7b0 JS |
2706 | scsi_host_put(shost); |
2707 | } | |
2708 | ||
d7c255b2 | 2709 | int |
92d7f7b0 JS |
2710 | lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) |
2711 | { | |
2712 | struct lpfc_hba *phba = vport->phba; | |
2713 | LPFC_MBOXQ_t *mbox; | |
2714 | int rc; | |
2715 | ||
2716 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2717 | if (!mbox) | |
d7c255b2 | 2718 | return 1; |
92d7f7b0 JS |
2719 | |
2720 | lpfc_unreg_vpi(phba, vport->vpi, mbox); | |
2721 | mbox->vport = vport; | |
2722 | mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi; | |
0b727fea | 2723 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
92d7f7b0 | 2724 | if (rc == MBX_NOT_FINISHED) { |
e8b62011 JS |
2725 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
2726 | "1800 Could not issue unreg_vpi\n"); | |
92d7f7b0 JS |
2727 | mempool_free(mbox, phba->mbox_mem_pool); |
2728 | vport->unreg_vpi_cmpl = VPORT_ERROR; | |
d7c255b2 | 2729 | return rc; |
92d7f7b0 | 2730 | } |
d7c255b2 | 2731 | return 0; |
92d7f7b0 JS |
2732 | } |
2733 | ||
2734 | static void | |
2735 | lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2736 | { | |
2737 | struct lpfc_vport *vport = pmb->vport; | |
2738 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
04c68496 | 2739 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
2740 | |
2741 | switch (mb->mbxStatus) { | |
2742 | case 0x0011: | |
2743 | case 0x9601: | |
2744 | case 0x9602: | |
e8b62011 JS |
2745 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
2746 | "0912 cmpl_reg_vpi, mb status = 0x%x\n", | |
2747 | mb->mbxStatus); | |
92d7f7b0 JS |
2748 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
2749 | spin_lock_irq(shost->host_lock); | |
2750 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
2751 | spin_unlock_irq(shost->host_lock); | |
2752 | vport->fc_myDID = 0; | |
2753 | goto out; | |
2754 | } | |
92d7f7b0 | 2755 | |
72100cc4 | 2756 | spin_lock_irq(shost->host_lock); |
c868595d | 2757 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
695a814e | 2758 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 2759 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
2760 | vport->num_disc_nodes = 0; |
2761 | /* go thru NPR list and issue ELS PLOGIs */ | |
2762 | if (vport->fc_npr_cnt) | |
2763 | lpfc_els_disc_plogi(vport); | |
2764 | ||
2765 | if (!vport->num_disc_nodes) { | |
2766 | spin_lock_irq(shost->host_lock); | |
2767 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
2768 | spin_unlock_irq(shost->host_lock); | |
2769 | lpfc_can_disctmo(vport); | |
2770 | } | |
2771 | vport->port_state = LPFC_VPORT_READY; | |
2772 | ||
2773 | out: | |
2774 | mempool_free(pmb, phba->mbox_mem_pool); | |
2775 | return; | |
2776 | } | |
2777 | ||
21e9a0a5 JS |
2778 | /** |
2779 | * lpfc_create_static_vport - Read HBA config region to create static vports. | |
2780 | * @phba: pointer to lpfc hba data structure. | |
2781 | * | |
2782 | * This routine issue a DUMP mailbox command for config region 22 to get | |
2783 | * the list of static vports to be created. The function create vports | |
2784 | * based on the information returned from the HBA. | |
2785 | **/ | |
2786 | void | |
2787 | lpfc_create_static_vport(struct lpfc_hba *phba) | |
2788 | { | |
2789 | LPFC_MBOXQ_t *pmb = NULL; | |
2790 | MAILBOX_t *mb; | |
2791 | struct static_vport_info *vport_info; | |
1c6834a7 | 2792 | int rc = 0, i; |
21e9a0a5 JS |
2793 | struct fc_vport_identifiers vport_id; |
2794 | struct fc_vport *new_fc_vport; | |
2795 | struct Scsi_Host *shost; | |
2796 | struct lpfc_vport *vport; | |
2797 | uint16_t offset = 0; | |
2798 | uint8_t *vport_buff; | |
1c6834a7 JS |
2799 | struct lpfc_dmabuf *mp; |
2800 | uint32_t byte_count = 0; | |
21e9a0a5 JS |
2801 | |
2802 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2803 | if (!pmb) { | |
2804 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2805 | "0542 lpfc_create_static_vport failed to" | |
2806 | " allocate mailbox memory\n"); | |
2807 | return; | |
2808 | } | |
2809 | ||
2810 | mb = &pmb->u.mb; | |
2811 | ||
2812 | vport_info = kzalloc(sizeof(struct static_vport_info), GFP_KERNEL); | |
2813 | if (!vport_info) { | |
2814 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2815 | "0543 lpfc_create_static_vport failed to" | |
2816 | " allocate vport_info\n"); | |
2817 | mempool_free(pmb, phba->mbox_mem_pool); | |
2818 | return; | |
2819 | } | |
2820 | ||
2821 | vport_buff = (uint8_t *) vport_info; | |
2822 | do { | |
1c6834a7 JS |
2823 | if (lpfc_dump_static_vport(phba, pmb, offset)) |
2824 | goto out; | |
2825 | ||
21e9a0a5 JS |
2826 | pmb->vport = phba->pport; |
2827 | rc = lpfc_sli_issue_mbox_wait(phba, pmb, LPFC_MBOX_TMO); | |
2828 | ||
2829 | if ((rc != MBX_SUCCESS) || mb->mbxStatus) { | |
2830 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
2831 | "0544 lpfc_create_static_vport failed to" | |
2832 | " issue dump mailbox command ret 0x%x " | |
2833 | "status 0x%x\n", | |
2834 | rc, mb->mbxStatus); | |
2835 | goto out; | |
2836 | } | |
2837 | ||
1c6834a7 JS |
2838 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2839 | byte_count = pmb->u.mqe.un.mb_words[5]; | |
2840 | mp = (struct lpfc_dmabuf *) pmb->context2; | |
2841 | if (byte_count > sizeof(struct static_vport_info) - | |
2842 | offset) | |
2843 | byte_count = sizeof(struct static_vport_info) | |
2844 | - offset; | |
2845 | memcpy(vport_buff + offset, mp->virt, byte_count); | |
2846 | offset += byte_count; | |
2847 | } else { | |
2848 | if (mb->un.varDmp.word_cnt > | |
2849 | sizeof(struct static_vport_info) - offset) | |
2850 | mb->un.varDmp.word_cnt = | |
2851 | sizeof(struct static_vport_info) | |
2852 | - offset; | |
2853 | byte_count = mb->un.varDmp.word_cnt; | |
2854 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, | |
2855 | vport_buff + offset, | |
2856 | byte_count); | |
2857 | ||
2858 | offset += byte_count; | |
2859 | } | |
21e9a0a5 | 2860 | |
1c6834a7 | 2861 | } while (byte_count && |
21e9a0a5 JS |
2862 | offset < sizeof(struct static_vport_info)); |
2863 | ||
2864 | ||
2865 | if ((le32_to_cpu(vport_info->signature) != VPORT_INFO_SIG) || | |
2866 | ((le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK) | |
2867 | != VPORT_INFO_REV)) { | |
2868 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2869 | "0545 lpfc_create_static_vport bad" | |
2870 | " information header 0x%x 0x%x\n", | |
2871 | le32_to_cpu(vport_info->signature), | |
2872 | le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK); | |
2873 | ||
2874 | goto out; | |
2875 | } | |
2876 | ||
2877 | shost = lpfc_shost_from_vport(phba->pport); | |
2878 | ||
2879 | for (i = 0; i < MAX_STATIC_VPORT_COUNT; i++) { | |
2880 | memset(&vport_id, 0, sizeof(vport_id)); | |
2881 | vport_id.port_name = wwn_to_u64(vport_info->vport_list[i].wwpn); | |
2882 | vport_id.node_name = wwn_to_u64(vport_info->vport_list[i].wwnn); | |
2883 | if (!vport_id.port_name || !vport_id.node_name) | |
2884 | continue; | |
2885 | ||
2886 | vport_id.roles = FC_PORT_ROLE_FCP_INITIATOR; | |
2887 | vport_id.vport_type = FC_PORTTYPE_NPIV; | |
2888 | vport_id.disable = false; | |
2889 | new_fc_vport = fc_vport_create(shost, 0, &vport_id); | |
2890 | ||
2891 | if (!new_fc_vport) { | |
2892 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
2893 | "0546 lpfc_create_static_vport failed to" | |
e4e74273 | 2894 | " create vport\n"); |
21e9a0a5 JS |
2895 | continue; |
2896 | } | |
2897 | ||
2898 | vport = *(struct lpfc_vport **)new_fc_vport->dd_data; | |
2899 | vport->vport_flag |= STATIC_VPORT; | |
2900 | } | |
2901 | ||
2902 | out: | |
21e9a0a5 | 2903 | kfree(vport_info); |
1c6834a7 JS |
2904 | if (rc != MBX_TIMEOUT) { |
2905 | if (pmb->context2) { | |
2906 | mp = (struct lpfc_dmabuf *) pmb->context2; | |
2907 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2908 | kfree(mp); | |
2909 | } | |
21e9a0a5 | 2910 | mempool_free(pmb, phba->mbox_mem_pool); |
1c6834a7 | 2911 | } |
21e9a0a5 JS |
2912 | |
2913 | return; | |
2914 | } | |
2915 | ||
dea3101e | 2916 | /* |
2917 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
2918 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2919 | * as the completion routine when the command is | |
2920 | * handed off to the SLI layer. | |
2921 | */ | |
2922 | void | |
2e0fef85 | 2923 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2924 | { |
92d7f7b0 | 2925 | struct lpfc_vport *vport = pmb->vport; |
21e9a0a5 | 2926 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 2927 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
92d7f7b0 | 2928 | struct lpfc_nodelist *ndlp; |
dea3101e | 2929 | |
549e55cd | 2930 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
329f9bc7 JS |
2931 | pmb->context1 = NULL; |
2932 | pmb->context2 = NULL; | |
dea3101e | 2933 | if (mb->mbxStatus) { |
21e9a0a5 JS |
2934 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2935 | "0258 Register Fabric login error: 0x%x\n", | |
2936 | mb->mbxStatus); | |
dea3101e | 2937 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2938 | kfree(mp); | |
329f9bc7 | 2939 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 2940 | |
92d7f7b0 JS |
2941 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
2942 | /* FLOGI failed, use loop map to make discovery list */ | |
2943 | lpfc_disc_list_loopmap(vport); | |
2944 | ||
2945 | /* Start discovery */ | |
2946 | lpfc_disc_start(vport); | |
e47c9093 JS |
2947 | /* Decrement the reference count to ndlp after the |
2948 | * reference to the ndlp are done. | |
2949 | */ | |
2950 | lpfc_nlp_put(ndlp); | |
92d7f7b0 JS |
2951 | return; |
2952 | } | |
2953 | ||
2954 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e47c9093 JS |
2955 | /* Decrement the reference count to ndlp after the reference |
2956 | * to the ndlp are done. | |
2957 | */ | |
2958 | lpfc_nlp_put(ndlp); | |
dea3101e | 2959 | return; |
2960 | } | |
2961 | ||
dea3101e | 2962 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 2963 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 2964 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 2965 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 2966 | |
2e0fef85 | 2967 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { |
21e9a0a5 | 2968 | lpfc_start_fdiscs(phba); |
92d7f7b0 | 2969 | lpfc_do_scr_ns_plogi(phba, vport); |
dea3101e | 2970 | } |
2971 | ||
2972 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2973 | kfree(mp); | |
329f9bc7 | 2974 | mempool_free(pmb, phba->mbox_mem_pool); |
e47c9093 JS |
2975 | |
2976 | /* Drop the reference count from the mbox at the end after | |
2977 | * all the current reference to the ndlp have been done. | |
2978 | */ | |
2979 | lpfc_nlp_put(ndlp); | |
dea3101e | 2980 | return; |
2981 | } | |
2982 | ||
2983 | /* | |
2984 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
2985 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2986 | * as the completion routine when the command is | |
2987 | * handed off to the SLI layer. | |
2988 | */ | |
2989 | void | |
2e0fef85 | 2990 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2991 | { |
21e9a0a5 | 2992 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
2993 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2994 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2995 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 2996 | |
2997 | if (mb->mbxStatus) { | |
92d7f7b0 | 2998 | out: |
21e9a0a5 JS |
2999 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
3000 | "0260 Register NameServer error: 0x%x\n", | |
3001 | mb->mbxStatus); | |
fa4066b6 JS |
3002 | /* decrement the node reference count held for this |
3003 | * callback function. | |
3004 | */ | |
329f9bc7 | 3005 | lpfc_nlp_put(ndlp); |
dea3101e | 3006 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3007 | kfree(mp); | |
de0c5b32 | 3008 | mempool_free(pmb, phba->mbox_mem_pool); |
87af33fe JS |
3009 | |
3010 | /* If no other thread is using the ndlp, free it */ | |
3011 | lpfc_nlp_not_used(ndlp); | |
dea3101e | 3012 | |
92d7f7b0 JS |
3013 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
3014 | /* | |
3015 | * RegLogin failed, use loop map to make discovery | |
3016 | * list | |
3017 | */ | |
3018 | lpfc_disc_list_loopmap(vport); | |
dea3101e | 3019 | |
92d7f7b0 JS |
3020 | /* Start discovery */ |
3021 | lpfc_disc_start(vport); | |
3022 | return; | |
3023 | } | |
3024 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
dea3101e | 3025 | return; |
3026 | } | |
3027 | ||
3028 | pmb->context1 = NULL; | |
3029 | ||
dea3101e | 3030 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 3031 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 3032 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 3033 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 3034 | |
2e0fef85 JS |
3035 | if (vport->port_state < LPFC_VPORT_READY) { |
3036 | /* Link up discovery requires Fabric registration. */ | |
92d7f7b0 JS |
3037 | lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0); /* Do this first! */ |
3038 | lpfc_ns_cmd(vport, SLI_CTNS_RNN_ID, 0, 0); | |
3039 | lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0); | |
3040 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
3041 | lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0); | |
3042 | ||
3043 | /* Issue SCR just before NameServer GID_FT Query */ | |
3044 | lpfc_issue_els_scr(vport, SCR_DID, 0); | |
dea3101e | 3045 | } |
3046 | ||
2e0fef85 | 3047 | vport->fc_ns_retry = 0; |
dea3101e | 3048 | /* Good status, issue CT Request to NameServer */ |
92d7f7b0 | 3049 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) { |
dea3101e | 3050 | /* Cannot issue NameServer Query, so finish up discovery */ |
92d7f7b0 | 3051 | goto out; |
dea3101e | 3052 | } |
3053 | ||
fa4066b6 JS |
3054 | /* decrement the node reference count held for this |
3055 | * callback function. | |
3056 | */ | |
329f9bc7 | 3057 | lpfc_nlp_put(ndlp); |
dea3101e | 3058 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3059 | kfree(mp); | |
2e0fef85 | 3060 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 3061 | |
3062 | return; | |
3063 | } | |
3064 | ||
3065 | static void | |
2e0fef85 | 3066 | lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3067 | { |
2e0fef85 JS |
3068 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3069 | struct fc_rport *rport; | |
dea3101e | 3070 | struct lpfc_rport_data *rdata; |
3071 | struct fc_rport_identifiers rport_ids; | |
2e0fef85 | 3072 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 3073 | |
3074 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
68ce1eb5 AM |
3075 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
3076 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
dea3101e | 3077 | rport_ids.port_id = ndlp->nlp_DID; |
3078 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
dea3101e | 3079 | |
329f9bc7 JS |
3080 | /* |
3081 | * We leave our node pointer in rport->dd_data when we unregister a | |
3082 | * FCP target port. But fc_remote_port_add zeros the space to which | |
3083 | * rport->dd_data points. So, if we're reusing a previously | |
3084 | * registered port, drop the reference that we took the last time we | |
3085 | * registered the port. | |
3086 | */ | |
3087 | if (ndlp->rport && ndlp->rport->dd_data && | |
e47c9093 | 3088 | ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp) |
329f9bc7 | 3089 | lpfc_nlp_put(ndlp); |
858c9f6c JS |
3090 | |
3091 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
3092 | "rport add: did:x%x flg:x%x type x%x", | |
3093 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
3094 | ||
2e0fef85 | 3095 | ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids); |
329f9bc7 | 3096 | if (!rport || !get_device(&rport->dev)) { |
dea3101e | 3097 | dev_printk(KERN_WARNING, &phba->pcidev->dev, |
3098 | "Warning: fc_remote_port_add failed\n"); | |
3099 | return; | |
3100 | } | |
3101 | ||
3102 | /* initialize static port data */ | |
3103 | rport->maxframe_size = ndlp->nlp_maxframe; | |
3104 | rport->supported_classes = ndlp->nlp_class_sup; | |
dea3101e | 3105 | rdata = rport->dd_data; |
329f9bc7 | 3106 | rdata->pnode = lpfc_nlp_get(ndlp); |
23dc04f1 JSEC |
3107 | |
3108 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
3109 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
3110 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
3111 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
3112 | ||
3113 | ||
3114 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) | |
3115 | fc_remote_port_rolechg(rport, rport_ids.roles); | |
3116 | ||
071fbd3d | 3117 | if ((rport->scsi_target_id != -1) && |
92d7f7b0 | 3118 | (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
071fbd3d JS |
3119 | ndlp->nlp_sid = rport->scsi_target_id; |
3120 | } | |
19a7b4ae JSEC |
3121 | return; |
3122 | } | |
3123 | ||
3124 | static void | |
2e0fef85 | 3125 | lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp) |
19a7b4ae JSEC |
3126 | { |
3127 | struct fc_rport *rport = ndlp->rport; | |
c01f3208 | 3128 | |
858c9f6c JS |
3129 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
3130 | "rport delete: did:x%x flg:x%x type x%x", | |
3131 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
3132 | ||
19a7b4ae | 3133 | fc_remote_port_delete(rport); |
dea3101e | 3134 | |
3135 | return; | |
3136 | } | |
3137 | ||
de0c5b32 | 3138 | static void |
2e0fef85 | 3139 | lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count) |
dea3101e | 3140 | { |
2e0fef85 JS |
3141 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3142 | ||
3143 | spin_lock_irq(shost->host_lock); | |
de0c5b32 JS |
3144 | switch (state) { |
3145 | case NLP_STE_UNUSED_NODE: | |
2e0fef85 | 3146 | vport->fc_unused_cnt += count; |
de0c5b32 JS |
3147 | break; |
3148 | case NLP_STE_PLOGI_ISSUE: | |
2e0fef85 | 3149 | vport->fc_plogi_cnt += count; |
de0c5b32 JS |
3150 | break; |
3151 | case NLP_STE_ADISC_ISSUE: | |
2e0fef85 | 3152 | vport->fc_adisc_cnt += count; |
dea3101e | 3153 | break; |
de0c5b32 | 3154 | case NLP_STE_REG_LOGIN_ISSUE: |
2e0fef85 | 3155 | vport->fc_reglogin_cnt += count; |
de0c5b32 JS |
3156 | break; |
3157 | case NLP_STE_PRLI_ISSUE: | |
2e0fef85 | 3158 | vport->fc_prli_cnt += count; |
de0c5b32 JS |
3159 | break; |
3160 | case NLP_STE_UNMAPPED_NODE: | |
2e0fef85 | 3161 | vport->fc_unmap_cnt += count; |
de0c5b32 JS |
3162 | break; |
3163 | case NLP_STE_MAPPED_NODE: | |
2e0fef85 | 3164 | vport->fc_map_cnt += count; |
de0c5b32 JS |
3165 | break; |
3166 | case NLP_STE_NPR_NODE: | |
2e0fef85 | 3167 | vport->fc_npr_cnt += count; |
de0c5b32 JS |
3168 | break; |
3169 | } | |
2e0fef85 | 3170 | spin_unlock_irq(shost->host_lock); |
de0c5b32 | 3171 | } |
66a9ed66 | 3172 | |
de0c5b32 | 3173 | static void |
2e0fef85 | 3174 | lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
de0c5b32 JS |
3175 | int old_state, int new_state) |
3176 | { | |
2e0fef85 JS |
3177 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3178 | ||
de0c5b32 JS |
3179 | if (new_state == NLP_STE_UNMAPPED_NODE) { |
3180 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
3181 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
3182 | ndlp->nlp_type |= NLP_FC_NODE; | |
3183 | } | |
3184 | if (new_state == NLP_STE_MAPPED_NODE) | |
3185 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
3186 | if (new_state == NLP_STE_NPR_NODE) | |
3187 | ndlp->nlp_flag &= ~NLP_RCV_PLOGI; | |
3188 | ||
3189 | /* Transport interface */ | |
3190 | if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || | |
3191 | old_state == NLP_STE_UNMAPPED_NODE)) { | |
2e0fef85 JS |
3192 | vport->phba->nport_event_cnt++; |
3193 | lpfc_unregister_remote_port(ndlp); | |
de0c5b32 | 3194 | } |
dea3101e | 3195 | |
de0c5b32 JS |
3196 | if (new_state == NLP_STE_MAPPED_NODE || |
3197 | new_state == NLP_STE_UNMAPPED_NODE) { | |
2e0fef85 | 3198 | vport->phba->nport_event_cnt++; |
858c9f6c JS |
3199 | /* |
3200 | * Tell the fc transport about the port, if we haven't | |
3201 | * already. If we have, and it's a scsi entity, be | |
3202 | * sure to unblock any attached scsi devices | |
3203 | */ | |
3204 | lpfc_register_remote_port(vport, ndlp); | |
de0c5b32 | 3205 | } |
ea2151b4 JS |
3206 | if ((new_state == NLP_STE_MAPPED_NODE) && |
3207 | (vport->stat_data_enabled)) { | |
3208 | /* | |
3209 | * A new target is discovered, if there is no buffer for | |
3210 | * statistical data collection allocate buffer. | |
3211 | */ | |
3212 | ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT, | |
3213 | sizeof(struct lpfc_scsicmd_bkt), | |
3214 | GFP_KERNEL); | |
3215 | ||
3216 | if (!ndlp->lat_data) | |
3217 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, | |
3218 | "0286 lpfc_nlp_state_cleanup failed to " | |
3219 | "allocate statistical data buffer DID " | |
3220 | "0x%x\n", ndlp->nlp_DID); | |
3221 | } | |
858c9f6c JS |
3222 | /* |
3223 | * if we added to Mapped list, but the remote port | |
3224 | * registration failed or assigned a target id outside | |
3225 | * our presentable range - move the node to the | |
3226 | * Unmapped List | |
3227 | */ | |
de0c5b32 JS |
3228 | if (new_state == NLP_STE_MAPPED_NODE && |
3229 | (!ndlp->rport || | |
3230 | ndlp->rport->scsi_target_id == -1 || | |
3231 | ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { | |
2e0fef85 | 3232 | spin_lock_irq(shost->host_lock); |
de0c5b32 | 3233 | ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; |
2e0fef85 JS |
3234 | spin_unlock_irq(shost->host_lock); |
3235 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
dea3101e | 3236 | } |
de0c5b32 JS |
3237 | } |
3238 | ||
685f0bf7 JS |
3239 | static char * |
3240 | lpfc_nlp_state_name(char *buffer, size_t size, int state) | |
3241 | { | |
3242 | static char *states[] = { | |
3243 | [NLP_STE_UNUSED_NODE] = "UNUSED", | |
3244 | [NLP_STE_PLOGI_ISSUE] = "PLOGI", | |
3245 | [NLP_STE_ADISC_ISSUE] = "ADISC", | |
3246 | [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", | |
3247 | [NLP_STE_PRLI_ISSUE] = "PRLI", | |
3248 | [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", | |
3249 | [NLP_STE_MAPPED_NODE] = "MAPPED", | |
3250 | [NLP_STE_NPR_NODE] = "NPR", | |
3251 | }; | |
3252 | ||
311464ec | 3253 | if (state < NLP_STE_MAX_STATE && states[state]) |
685f0bf7 JS |
3254 | strlcpy(buffer, states[state], size); |
3255 | else | |
3256 | snprintf(buffer, size, "unknown (%d)", state); | |
3257 | return buffer; | |
3258 | } | |
3259 | ||
de0c5b32 | 3260 | void |
2e0fef85 JS |
3261 | lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
3262 | int state) | |
de0c5b32 | 3263 | { |
2e0fef85 | 3264 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
de0c5b32 | 3265 | int old_state = ndlp->nlp_state; |
685f0bf7 | 3266 | char name1[16], name2[16]; |
de0c5b32 | 3267 | |
e8b62011 JS |
3268 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3269 | "0904 NPort state transition x%06x, %s -> %s\n", | |
3270 | ndlp->nlp_DID, | |
3271 | lpfc_nlp_state_name(name1, sizeof(name1), old_state), | |
3272 | lpfc_nlp_state_name(name2, sizeof(name2), state)); | |
858c9f6c JS |
3273 | |
3274 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
3275 | "node statechg did:x%x old:%d ste:%d", | |
3276 | ndlp->nlp_DID, old_state, state); | |
3277 | ||
de0c5b32 | 3278 | if (old_state == NLP_STE_NPR_NODE && |
de0c5b32 | 3279 | state != NLP_STE_NPR_NODE) |
2e0fef85 | 3280 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 JS |
3281 | if (old_state == NLP_STE_UNMAPPED_NODE) { |
3282 | ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; | |
3283 | ndlp->nlp_type &= ~NLP_FC_NODE; | |
3284 | } | |
3285 | ||
685f0bf7 | 3286 | if (list_empty(&ndlp->nlp_listp)) { |
2e0fef85 JS |
3287 | spin_lock_irq(shost->host_lock); |
3288 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
3289 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 3290 | } else if (old_state) |
2e0fef85 | 3291 | lpfc_nlp_counters(vport, old_state, -1); |
de0c5b32 JS |
3292 | |
3293 | ndlp->nlp_state = state; | |
2e0fef85 JS |
3294 | lpfc_nlp_counters(vport, state, 1); |
3295 | lpfc_nlp_state_cleanup(vport, ndlp, old_state, state); | |
de0c5b32 JS |
3296 | } |
3297 | ||
e47c9093 JS |
3298 | void |
3299 | lpfc_enqueue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) | |
3300 | { | |
3301 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3302 | ||
3303 | if (list_empty(&ndlp->nlp_listp)) { | |
3304 | spin_lock_irq(shost->host_lock); | |
3305 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
3306 | spin_unlock_irq(shost->host_lock); | |
3307 | } | |
3308 | } | |
3309 | ||
de0c5b32 | 3310 | void |
2e0fef85 | 3311 | lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 3312 | { |
2e0fef85 JS |
3313 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3314 | ||
0d2b6b83 | 3315 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 3316 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
3317 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
3318 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 3319 | list_del_init(&ndlp->nlp_listp); |
2e0fef85 | 3320 | spin_unlock_irq(shost->host_lock); |
858c9f6c | 3321 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, |
e47c9093 JS |
3322 | NLP_STE_UNUSED_NODE); |
3323 | } | |
3324 | ||
4d9db01e | 3325 | static void |
e47c9093 JS |
3326 | lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
3327 | { | |
0d2b6b83 | 3328 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
e47c9093 JS |
3329 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
3330 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); | |
3331 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, | |
3332 | NLP_STE_UNUSED_NODE); | |
3333 | } | |
109f6ed0 | 3334 | /** |
3621a710 | 3335 | * lpfc_initialize_node - Initialize all fields of node object |
109f6ed0 JS |
3336 | * @vport: Pointer to Virtual Port object. |
3337 | * @ndlp: Pointer to FC node object. | |
3338 | * @did: FC_ID of the node. | |
a257bf90 JS |
3339 | * |
3340 | * This function is always called when node object need to be initialized. | |
3341 | * It initializes all the fields of the node object. Although the reference | |
3342 | * to phba from @ndlp can be obtained indirectly through it's reference to | |
3343 | * @vport, a direct reference to phba is taken here by @ndlp. This is due | |
3344 | * to the life-span of the @ndlp might go beyond the existence of @vport as | |
3345 | * the final release of ndlp is determined by its reference count. And, the | |
3346 | * operation on @ndlp needs the reference to phba. | |
109f6ed0 JS |
3347 | **/ |
3348 | static inline void | |
3349 | lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
3350 | uint32_t did) | |
3351 | { | |
3352 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); | |
3353 | INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp); | |
3354 | init_timer(&ndlp->nlp_delayfunc); | |
3355 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
3356 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
3357 | ndlp->nlp_DID = did; | |
3358 | ndlp->vport = vport; | |
a257bf90 | 3359 | ndlp->phba = vport->phba; |
109f6ed0 JS |
3360 | ndlp->nlp_sid = NLP_NO_SID; |
3361 | kref_init(&ndlp->kref); | |
3362 | NLP_INT_NODE_ACT(ndlp); | |
3363 | atomic_set(&ndlp->cmd_pending, 0); | |
3364 | ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH; | |
3365 | } | |
e47c9093 JS |
3366 | |
3367 | struct lpfc_nodelist * | |
3368 | lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
3369 | int state) | |
3370 | { | |
3371 | struct lpfc_hba *phba = vport->phba; | |
3372 | uint32_t did; | |
3373 | unsigned long flags; | |
3374 | ||
3375 | if (!ndlp) | |
3376 | return NULL; | |
3377 | ||
3378 | spin_lock_irqsave(&phba->ndlp_lock, flags); | |
3379 | /* The ndlp should not be in memory free mode */ | |
3380 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
3381 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
3382 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3383 | "0277 lpfc_enable_node: ndlp:x%p " | |
3384 | "usgmap:x%x refcnt:%d\n", | |
3385 | (void *)ndlp, ndlp->nlp_usg_map, | |
3386 | atomic_read(&ndlp->kref.refcount)); | |
3387 | return NULL; | |
3388 | } | |
3389 | /* The ndlp should not already be in active mode */ | |
3390 | if (NLP_CHK_NODE_ACT(ndlp)) { | |
3391 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
3392 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3393 | "0278 lpfc_enable_node: ndlp:x%p " | |
3394 | "usgmap:x%x refcnt:%d\n", | |
3395 | (void *)ndlp, ndlp->nlp_usg_map, | |
3396 | atomic_read(&ndlp->kref.refcount)); | |
3397 | return NULL; | |
3398 | } | |
3399 | ||
3400 | /* Keep the original DID */ | |
3401 | did = ndlp->nlp_DID; | |
3402 | ||
3403 | /* re-initialize ndlp except of ndlp linked list pointer */ | |
3404 | memset((((char *)ndlp) + sizeof (struct list_head)), 0, | |
3405 | sizeof (struct lpfc_nodelist) - sizeof (struct list_head)); | |
109f6ed0 | 3406 | lpfc_initialize_node(vport, ndlp, did); |
e47c9093 JS |
3407 | |
3408 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
3409 | ||
3410 | if (state != NLP_STE_UNUSED_NODE) | |
3411 | lpfc_nlp_set_state(vport, ndlp, state); | |
3412 | ||
3413 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
3414 | "node enable: did:x%x", | |
3415 | ndlp->nlp_DID, 0, 0); | |
3416 | return ndlp; | |
de0c5b32 JS |
3417 | } |
3418 | ||
3419 | void | |
2e0fef85 | 3420 | lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 3421 | { |
87af33fe | 3422 | /* |
fa4066b6 | 3423 | * Use of lpfc_drop_node and UNUSED list: lpfc_drop_node should |
87af33fe | 3424 | * be used if we wish to issue the "last" lpfc_nlp_put() to remove |
fa4066b6 JS |
3425 | * the ndlp from the vport. The ndlp marked as UNUSED on the list |
3426 | * until ALL other outstanding threads have completed. We check | |
3427 | * that the ndlp not already in the UNUSED state before we proceed. | |
87af33fe | 3428 | */ |
fa4066b6 JS |
3429 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
3430 | return; | |
51ef4c26 | 3431 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
87af33fe | 3432 | lpfc_nlp_put(ndlp); |
98c9ea5c | 3433 | return; |
dea3101e | 3434 | } |
3435 | ||
3436 | /* | |
3437 | * Start / ReStart rescue timer for Discovery / RSCN handling | |
3438 | */ | |
3439 | void | |
2e0fef85 | 3440 | lpfc_set_disctmo(struct lpfc_vport *vport) |
dea3101e | 3441 | { |
2e0fef85 JS |
3442 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3443 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3444 | uint32_t tmo; |
3445 | ||
2e0fef85 | 3446 | if (vport->port_state == LPFC_LOCAL_CFG_LINK) { |
025dfdaf | 3447 | /* For FAN, timeout should be greater than edtov */ |
c9f8735b JW |
3448 | tmo = (((phba->fc_edtov + 999) / 1000) + 1); |
3449 | } else { | |
025dfdaf | 3450 | /* Normal discovery timeout should be > than ELS/CT timeout |
c9f8735b JW |
3451 | * FC spec states we need 3 * ratov for CT requests |
3452 | */ | |
3453 | tmo = ((phba->fc_ratov * 3) + 3); | |
3454 | } | |
dea3101e | 3455 | |
858c9f6c JS |
3456 | |
3457 | if (!timer_pending(&vport->fc_disctmo)) { | |
3458 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
3459 | "set disc timer: tmo:x%x state:x%x flg:x%x", | |
3460 | tmo, vport->port_state, vport->fc_flag); | |
3461 | } | |
3462 | ||
2e0fef85 JS |
3463 | mod_timer(&vport->fc_disctmo, jiffies + HZ * tmo); |
3464 | spin_lock_irq(shost->host_lock); | |
3465 | vport->fc_flag |= FC_DISC_TMO; | |
3466 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 3467 | |
3468 | /* Start Discovery Timer state <hba_state> */ | |
e8b62011 JS |
3469 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3470 | "0247 Start Discovery Timer state x%x " | |
3471 | "Data: x%x x%lx x%x x%x\n", | |
3472 | vport->port_state, tmo, | |
3473 | (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt, | |
3474 | vport->fc_adisc_cnt); | |
dea3101e | 3475 | |
3476 | return; | |
3477 | } | |
3478 | ||
3479 | /* | |
3480 | * Cancel rescue timer for Discovery / RSCN handling | |
3481 | */ | |
3482 | int | |
2e0fef85 | 3483 | lpfc_can_disctmo(struct lpfc_vport *vport) |
dea3101e | 3484 | { |
2e0fef85 | 3485 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 JS |
3486 | unsigned long iflags; |
3487 | ||
858c9f6c JS |
3488 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
3489 | "can disc timer: state:x%x rtry:x%x flg:x%x", | |
3490 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
3491 | ||
dea3101e | 3492 | /* Turn off discovery timer if its running */ |
2e0fef85 JS |
3493 | if (vport->fc_flag & FC_DISC_TMO) { |
3494 | spin_lock_irqsave(shost->host_lock, iflags); | |
3495 | vport->fc_flag &= ~FC_DISC_TMO; | |
3496 | spin_unlock_irqrestore(shost->host_lock, iflags); | |
3497 | del_timer_sync(&vport->fc_disctmo); | |
3498 | spin_lock_irqsave(&vport->work_port_lock, iflags); | |
3499 | vport->work_port_events &= ~WORKER_DISC_TMO; | |
3500 | spin_unlock_irqrestore(&vport->work_port_lock, iflags); | |
dea3101e | 3501 | } |
3502 | ||
3503 | /* Cancel Discovery Timer state <hba_state> */ | |
e8b62011 JS |
3504 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3505 | "0248 Cancel Discovery Timer state x%x " | |
3506 | "Data: x%x x%x x%x\n", | |
3507 | vport->port_state, vport->fc_flag, | |
3508 | vport->fc_plogi_cnt, vport->fc_adisc_cnt); | |
2fe165b6 | 3509 | return 0; |
dea3101e | 3510 | } |
3511 | ||
3512 | /* | |
3513 | * Check specified ring for outstanding IOCB on the SLI queue | |
3514 | * Return true if iocb matches the specified nport | |
3515 | */ | |
3516 | int | |
2e0fef85 JS |
3517 | lpfc_check_sli_ndlp(struct lpfc_hba *phba, |
3518 | struct lpfc_sli_ring *pring, | |
3519 | struct lpfc_iocbq *iocb, | |
3520 | struct lpfc_nodelist *ndlp) | |
dea3101e | 3521 | { |
2e0fef85 JS |
3522 | struct lpfc_sli *psli = &phba->sli; |
3523 | IOCB_t *icmd = &iocb->iocb; | |
92d7f7b0 JS |
3524 | struct lpfc_vport *vport = ndlp->vport; |
3525 | ||
3526 | if (iocb->vport != vport) | |
3527 | return 0; | |
3528 | ||
dea3101e | 3529 | if (pring->ringno == LPFC_ELS_RING) { |
3530 | switch (icmd->ulpCommand) { | |
3531 | case CMD_GEN_REQUEST64_CR: | |
21e9a0a5 | 3532 | if (iocb->context_un.ndlp == ndlp) |
2fe165b6 | 3533 | return 1; |
dea3101e | 3534 | case CMD_ELS_REQUEST64_CR: |
10d4e957 JS |
3535 | if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) |
3536 | return 1; | |
dea3101e | 3537 | case CMD_XMIT_ELS_RSP64_CX: |
3538 | if (iocb->context1 == (uint8_t *) ndlp) | |
2fe165b6 | 3539 | return 1; |
dea3101e | 3540 | } |
a4bc3379 | 3541 | } else if (pring->ringno == psli->extra_ring) { |
dea3101e | 3542 | |
3543 | } else if (pring->ringno == psli->fcp_ring) { | |
3544 | /* Skip match check if waiting to relogin to FCP target */ | |
3545 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && | |
92d7f7b0 | 3546 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { |
2fe165b6 | 3547 | return 0; |
dea3101e | 3548 | } |
3549 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { | |
2fe165b6 | 3550 | return 1; |
dea3101e | 3551 | } |
3552 | } else if (pring->ringno == psli->next_ring) { | |
3553 | ||
3554 | } | |
2fe165b6 | 3555 | return 0; |
dea3101e | 3556 | } |
3557 | ||
3558 | /* | |
3559 | * Free resources / clean up outstanding I/Os | |
3560 | * associated with nlp_rpi in the LPFC_NODELIST entry. | |
3561 | */ | |
3562 | static int | |
2e0fef85 | 3563 | lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 3564 | { |
2534ba75 | 3565 | LIST_HEAD(completions); |
dea3101e | 3566 | struct lpfc_sli *psli; |
3567 | struct lpfc_sli_ring *pring; | |
3568 | struct lpfc_iocbq *iocb, *next_iocb; | |
6a9c52cf | 3569 | uint32_t i; |
dea3101e | 3570 | |
92d7f7b0 JS |
3571 | lpfc_fabric_abort_nport(ndlp); |
3572 | ||
dea3101e | 3573 | /* |
3574 | * Everything that matches on txcmplq will be returned | |
3575 | * by firmware with a no rpi error. | |
3576 | */ | |
3577 | psli = &phba->sli; | |
21e9a0a5 | 3578 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
dea3101e | 3579 | /* Now process each ring */ |
3580 | for (i = 0; i < psli->num_rings; i++) { | |
3581 | pring = &psli->ring[i]; | |
3582 | ||
2e0fef85 | 3583 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3584 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, |
2e0fef85 | 3585 | list) { |
dea3101e | 3586 | /* |
3587 | * Check to see if iocb matches the nport we are | |
3588 | * looking for | |
3589 | */ | |
92d7f7b0 JS |
3590 | if ((lpfc_check_sli_ndlp(phba, pring, iocb, |
3591 | ndlp))) { | |
dea3101e | 3592 | /* It matches, so deque and call compl |
3593 | with an error */ | |
2534ba75 JS |
3594 | list_move_tail(&iocb->list, |
3595 | &completions); | |
dea3101e | 3596 | pring->txq_cnt--; |
dea3101e | 3597 | } |
3598 | } | |
2e0fef85 | 3599 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3600 | } |
3601 | } | |
2534ba75 | 3602 | |
a257bf90 JS |
3603 | /* Cancel all the IOCBs from the completions list */ |
3604 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
3605 | IOERR_SLI_ABORTED); | |
2534ba75 | 3606 | |
2fe165b6 | 3607 | return 0; |
dea3101e | 3608 | } |
3609 | ||
3610 | /* | |
3611 | * Free rpi associated with LPFC_NODELIST entry. | |
3612 | * This routine is called from lpfc_freenode(), when we are removing | |
3613 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
3614 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
3615 | * to the remote NPort. In addition, it is called after we receive | |
3616 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
3617 | * we are waiting to PLOGI back to the remote NPort. | |
3618 | */ | |
3619 | int | |
2e0fef85 | 3620 | lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3621 | { |
2e0fef85 JS |
3622 | struct lpfc_hba *phba = vport->phba; |
3623 | LPFC_MBOXQ_t *mbox; | |
dea3101e | 3624 | int rc; |
3625 | ||
21e9a0a5 | 3626 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
2e0fef85 JS |
3627 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3628 | if (mbox) { | |
92d7f7b0 | 3629 | lpfc_unreg_login(phba, vport->vpi, ndlp->nlp_rpi, mbox); |
ed957684 | 3630 | mbox->vport = vport; |
92d7f7b0 | 3631 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 3632 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 3633 | if (rc == MBX_NOT_FINISHED) |
2e0fef85 | 3634 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 3635 | } |
dea3101e | 3636 | lpfc_no_rpi(phba, ndlp); |
3637 | ndlp->nlp_rpi = 0; | |
21e9a0a5 | 3638 | ndlp->nlp_flag &= ~NLP_RPI_VALID; |
0c287589 | 3639 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
dea3101e | 3640 | return 1; |
3641 | } | |
3642 | return 0; | |
3643 | } | |
3644 | ||
ecfd03c6 JS |
3645 | /** |
3646 | * lpfc_unreg_hba_rpis - Unregister rpis registered to the hba. | |
3647 | * @phba: pointer to lpfc hba data structure. | |
3648 | * | |
3649 | * This routine is invoked to unregister all the currently registered RPIs | |
3650 | * to the HBA. | |
3651 | **/ | |
3652 | void | |
3653 | lpfc_unreg_hba_rpis(struct lpfc_hba *phba) | |
3654 | { | |
3655 | struct lpfc_vport **vports; | |
3656 | struct lpfc_nodelist *ndlp; | |
3657 | struct Scsi_Host *shost; | |
3658 | int i; | |
3659 | ||
3660 | vports = lpfc_create_vport_work_array(phba); | |
3661 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
3662 | shost = lpfc_shost_from_vport(vports[i]); | |
3663 | spin_lock_irq(shost->host_lock); | |
3664 | list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) { | |
0c9ab6f5 JS |
3665 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
3666 | /* The mempool_alloc might sleep */ | |
3667 | spin_unlock_irq(shost->host_lock); | |
ecfd03c6 | 3668 | lpfc_unreg_rpi(vports[i], ndlp); |
0c9ab6f5 JS |
3669 | spin_lock_irq(shost->host_lock); |
3670 | } | |
ecfd03c6 JS |
3671 | } |
3672 | spin_unlock_irq(shost->host_lock); | |
3673 | } | |
3674 | lpfc_destroy_vport_work_array(phba, vports); | |
3675 | } | |
3676 | ||
92d7f7b0 JS |
3677 | void |
3678 | lpfc_unreg_all_rpis(struct lpfc_vport *vport) | |
3679 | { | |
3680 | struct lpfc_hba *phba = vport->phba; | |
3681 | LPFC_MBOXQ_t *mbox; | |
3682 | int rc; | |
3683 | ||
3684 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3685 | if (mbox) { | |
3686 | lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox); | |
3687 | mbox->vport = vport; | |
3688 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
3689 | mbox->context1 = NULL; |
3690 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 | 3691 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 3692 | mempool_free(mbox, phba->mbox_mem_pool); |
a257bf90 JS |
3693 | |
3694 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
3695 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, | |
3696 | "1836 Could not issue " | |
3697 | "unreg_login(all_rpis) status %d\n", rc); | |
92d7f7b0 JS |
3698 | } |
3699 | } | |
3700 | ||
3701 | void | |
3702 | lpfc_unreg_default_rpis(struct lpfc_vport *vport) | |
3703 | { | |
3704 | struct lpfc_hba *phba = vport->phba; | |
3705 | LPFC_MBOXQ_t *mbox; | |
3706 | int rc; | |
3707 | ||
3708 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3709 | if (mbox) { | |
3710 | lpfc_unreg_did(phba, vport->vpi, 0xffffffff, mbox); | |
3711 | mbox->vport = vport; | |
3712 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
3713 | mbox->context1 = NULL; |
3714 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 JS |
3715 | if (rc != MBX_TIMEOUT) |
3716 | mempool_free(mbox, phba->mbox_mem_pool); | |
3717 | ||
3718 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
e8b62011 JS |
3719 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
3720 | "1815 Could not issue " | |
a257bf90 JS |
3721 | "unreg_did (default rpis) status %d\n", |
3722 | rc); | |
92d7f7b0 JS |
3723 | } |
3724 | } | |
3725 | ||
dea3101e | 3726 | /* |
3727 | * Free resources associated with LPFC_NODELIST entry | |
3728 | * so it can be freed. | |
3729 | */ | |
3730 | static int | |
2e0fef85 | 3731 | lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3732 | { |
2e0fef85 JS |
3733 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3734 | struct lpfc_hba *phba = vport->phba; | |
3735 | LPFC_MBOXQ_t *mb, *nextmb; | |
dea3101e | 3736 | struct lpfc_dmabuf *mp; |
dea3101e | 3737 | |
3738 | /* Cleanup node for NPort <nlp_DID> */ | |
e8b62011 JS |
3739 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3740 | "0900 Cleanup node for NPort x%x " | |
3741 | "Data: x%x x%x x%x\n", | |
3742 | ndlp->nlp_DID, ndlp->nlp_flag, | |
3743 | ndlp->nlp_state, ndlp->nlp_rpi); | |
e47c9093 JS |
3744 | if (NLP_CHK_FREE_REQ(ndlp)) { |
3745 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3746 | "0280 lpfc_cleanup_node: ndlp:x%p " | |
3747 | "usgmap:x%x refcnt:%d\n", | |
3748 | (void *)ndlp, ndlp->nlp_usg_map, | |
3749 | atomic_read(&ndlp->kref.refcount)); | |
3750 | lpfc_dequeue_node(vport, ndlp); | |
3751 | } else { | |
3752 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3753 | "0281 lpfc_cleanup_node: ndlp:x%p " | |
3754 | "usgmap:x%x refcnt:%d\n", | |
3755 | (void *)ndlp, ndlp->nlp_usg_map, | |
3756 | atomic_read(&ndlp->kref.refcount)); | |
3757 | lpfc_disable_node(vport, ndlp); | |
3758 | } | |
dea3101e | 3759 | |
dea3101e | 3760 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
3761 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 3762 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
dea3101e | 3763 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
3764 | mb->context2 = NULL; | |
3765 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
3766 | } | |
3767 | } | |
33ccf8d1 | 3768 | |
2e0fef85 | 3769 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3770 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 3771 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
92d7f7b0 | 3772 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
dea3101e | 3773 | mp = (struct lpfc_dmabuf *) (mb->context1); |
3774 | if (mp) { | |
2e0fef85 | 3775 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 3776 | kfree(mp); |
3777 | } | |
3778 | list_del(&mb->list); | |
3779 | mempool_free(mb, phba->mbox_mem_pool); | |
e47c9093 JS |
3780 | /* We shall not invoke the lpfc_nlp_put to decrement |
3781 | * the ndlp reference count as we are in the process | |
3782 | * of lpfc_nlp_release. | |
3783 | */ | |
dea3101e | 3784 | } |
3785 | } | |
2e0fef85 | 3786 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3787 | |
e47c9093 JS |
3788 | lpfc_els_abort(phba, ndlp); |
3789 | ||
2e0fef85 | 3790 | spin_lock_irq(shost->host_lock); |
c01f3208 | 3791 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 3792 | spin_unlock_irq(shost->host_lock); |
dea3101e | 3793 | |
5024ab17 | 3794 | ndlp->nlp_last_elscmd = 0; |
dea3101e | 3795 | del_timer_sync(&ndlp->nlp_delayfunc); |
3796 | ||
0d2b6b83 JS |
3797 | list_del_init(&ndlp->els_retry_evt.evt_listp); |
3798 | list_del_init(&ndlp->dev_loss_evt.evt_listp); | |
dea3101e | 3799 | |
2e0fef85 | 3800 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 3801 | |
2fe165b6 | 3802 | return 0; |
dea3101e | 3803 | } |
3804 | ||
3805 | /* | |
3806 | * Check to see if we can free the nlp back to the freelist. | |
3807 | * If we are in the middle of using the nlp in the discovery state | |
3808 | * machine, defer the free till we reach the end of the state machine. | |
3809 | */ | |
329f9bc7 | 3810 | static void |
2e0fef85 | 3811 | lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3812 | { |
a8adb832 | 3813 | struct lpfc_hba *phba = vport->phba; |
1dcb58e5 | 3814 | struct lpfc_rport_data *rdata; |
a8adb832 JS |
3815 | LPFC_MBOXQ_t *mbox; |
3816 | int rc; | |
dea3101e | 3817 | |
0d2b6b83 | 3818 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
21e9a0a5 JS |
3819 | if ((ndlp->nlp_flag & NLP_DEFER_RM) && |
3820 | !(ndlp->nlp_flag & NLP_RPI_VALID)) { | |
a8adb832 JS |
3821 | /* For this case we need to cleanup the default rpi |
3822 | * allocated by the firmware. | |
3823 | */ | |
3824 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) | |
3825 | != NULL) { | |
21e9a0a5 | 3826 | rc = lpfc_reg_rpi(phba, vport->vpi, ndlp->nlp_DID, |
a8adb832 JS |
3827 | (uint8_t *) &vport->fc_sparam, mbox, 0); |
3828 | if (rc) { | |
3829 | mempool_free(mbox, phba->mbox_mem_pool); | |
3830 | } | |
3831 | else { | |
3832 | mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
3833 | mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
3834 | mbox->vport = vport; | |
09372820 | 3835 | mbox->context2 = NULL; |
a8adb832 JS |
3836 | rc =lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
3837 | if (rc == MBX_NOT_FINISHED) { | |
3838 | mempool_free(mbox, phba->mbox_mem_pool); | |
3839 | } | |
3840 | } | |
3841 | } | |
3842 | } | |
2e0fef85 | 3843 | lpfc_cleanup_node(vport, ndlp); |
1dcb58e5 | 3844 | |
2e0fef85 | 3845 | /* |
92d7f7b0 JS |
3846 | * We can get here with a non-NULL ndlp->rport because when we |
3847 | * unregister a rport we don't break the rport/node linkage. So if we | |
3848 | * do, make sure we don't leaving any dangling pointers behind. | |
2e0fef85 | 3849 | */ |
92d7f7b0 | 3850 | if (ndlp->rport) { |
329f9bc7 JS |
3851 | rdata = ndlp->rport->dd_data; |
3852 | rdata->pnode = NULL; | |
3853 | ndlp->rport = NULL; | |
dea3101e | 3854 | } |
dea3101e | 3855 | } |
3856 | ||
3857 | static int | |
2e0fef85 JS |
3858 | lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
3859 | uint32_t did) | |
dea3101e | 3860 | { |
2e0fef85 | 3861 | D_ID mydid, ndlpdid, matchdid; |
dea3101e | 3862 | |
3863 | if (did == Bcast_DID) | |
2fe165b6 | 3864 | return 0; |
dea3101e | 3865 | |
dea3101e | 3866 | /* First check for Direct match */ |
3867 | if (ndlp->nlp_DID == did) | |
2fe165b6 | 3868 | return 1; |
dea3101e | 3869 | |
3870 | /* Next check for area/domain identically equals 0 match */ | |
2e0fef85 | 3871 | mydid.un.word = vport->fc_myDID; |
dea3101e | 3872 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { |
2fe165b6 | 3873 | return 0; |
dea3101e | 3874 | } |
3875 | ||
3876 | matchdid.un.word = did; | |
3877 | ndlpdid.un.word = ndlp->nlp_DID; | |
3878 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
3879 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
3880 | (mydid.un.b.area == matchdid.un.b.area)) { | |
3881 | if ((ndlpdid.un.b.domain == 0) && | |
3882 | (ndlpdid.un.b.area == 0)) { | |
3883 | if (ndlpdid.un.b.id) | |
2fe165b6 | 3884 | return 1; |
dea3101e | 3885 | } |
2fe165b6 | 3886 | return 0; |
dea3101e | 3887 | } |
3888 | ||
3889 | matchdid.un.word = ndlp->nlp_DID; | |
3890 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
3891 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
3892 | if ((matchdid.un.b.domain == 0) && | |
3893 | (matchdid.un.b.area == 0)) { | |
3894 | if (matchdid.un.b.id) | |
2fe165b6 | 3895 | return 1; |
dea3101e | 3896 | } |
3897 | } | |
3898 | } | |
2fe165b6 | 3899 | return 0; |
dea3101e | 3900 | } |
3901 | ||
685f0bf7 | 3902 | /* Search for a nodelist entry */ |
2e0fef85 JS |
3903 | static struct lpfc_nodelist * |
3904 | __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 3905 | { |
2fb9bd8b | 3906 | struct lpfc_nodelist *ndlp; |
dea3101e | 3907 | uint32_t data1; |
3908 | ||
2e0fef85 JS |
3909 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
3910 | if (lpfc_matchdid(vport, ndlp, did)) { | |
685f0bf7 JS |
3911 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
3912 | ((uint32_t) ndlp->nlp_xri << 16) | | |
3913 | ((uint32_t) ndlp->nlp_type << 8) | | |
3914 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
e8b62011 JS |
3915 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3916 | "0929 FIND node DID " | |
3917 | "Data: x%p x%x x%x x%x\n", | |
3918 | ndlp, ndlp->nlp_DID, | |
3919 | ndlp->nlp_flag, data1); | |
685f0bf7 | 3920 | return ndlp; |
dea3101e | 3921 | } |
3922 | } | |
66a9ed66 | 3923 | |
dea3101e | 3924 | /* FIND node did <did> NOT FOUND */ |
e8b62011 JS |
3925 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3926 | "0932 FIND node did x%x NOT FOUND.\n", did); | |
dea3101e | 3927 | return NULL; |
3928 | } | |
3929 | ||
3930 | struct lpfc_nodelist * | |
2e0fef85 JS |
3931 | lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) |
3932 | { | |
3933 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3934 | struct lpfc_nodelist *ndlp; | |
3935 | ||
3936 | spin_lock_irq(shost->host_lock); | |
3937 | ndlp = __lpfc_findnode_did(vport, did); | |
3938 | spin_unlock_irq(shost->host_lock); | |
3939 | return ndlp; | |
3940 | } | |
3941 | ||
3942 | struct lpfc_nodelist * | |
3943 | lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 3944 | { |
2e0fef85 | 3945 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 3946 | struct lpfc_nodelist *ndlp; |
dea3101e | 3947 | |
2e0fef85 | 3948 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 3949 | if (!ndlp) { |
2e0fef85 JS |
3950 | if ((vport->fc_flag & FC_RSCN_MODE) != 0 && |
3951 | lpfc_rscn_payload_check(vport, did) == 0) | |
dea3101e | 3952 | return NULL; |
3953 | ndlp = (struct lpfc_nodelist *) | |
2e0fef85 | 3954 | mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL); |
dea3101e | 3955 | if (!ndlp) |
3956 | return NULL; | |
2e0fef85 JS |
3957 | lpfc_nlp_init(vport, ndlp, did); |
3958 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
3959 | spin_lock_irq(shost->host_lock); | |
dea3101e | 3960 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 3961 | spin_unlock_irq(shost->host_lock); |
dea3101e | 3962 | return ndlp; |
e47c9093 JS |
3963 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
3964 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_NPR_NODE); | |
3965 | if (!ndlp) | |
3966 | return NULL; | |
3967 | spin_lock_irq(shost->host_lock); | |
3968 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
3969 | spin_unlock_irq(shost->host_lock); | |
3970 | return ndlp; | |
dea3101e | 3971 | } |
e47c9093 | 3972 | |
58da1ffb JS |
3973 | if ((vport->fc_flag & FC_RSCN_MODE) && |
3974 | !(vport->fc_flag & FC_NDISC_ACTIVE)) { | |
2e0fef85 | 3975 | if (lpfc_rscn_payload_check(vport, did)) { |
87af33fe JS |
3976 | /* If we've already recieved a PLOGI from this NPort |
3977 | * we don't need to try to discover it again. | |
3978 | */ | |
3979 | if (ndlp->nlp_flag & NLP_RCV_PLOGI) | |
3980 | return NULL; | |
3981 | ||
c9f8735b JW |
3982 | /* Since this node is marked for discovery, |
3983 | * delay timeout is not needed. | |
3984 | */ | |
0d2b6b83 | 3985 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
a257bf90 JS |
3986 | spin_lock_irq(shost->host_lock); |
3987 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
3988 | spin_unlock_irq(shost->host_lock); | |
071fbd3d | 3989 | } else |
dea3101e | 3990 | ndlp = NULL; |
2fe165b6 | 3991 | } else { |
87af33fe JS |
3992 | /* If we've already recieved a PLOGI from this NPort, |
3993 | * or we are already in the process of discovery on it, | |
3994 | * we don't need to try to discover it again. | |
3995 | */ | |
685f0bf7 | 3996 | if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || |
87af33fe JS |
3997 | ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
3998 | ndlp->nlp_flag & NLP_RCV_PLOGI) | |
dea3101e | 3999 | return NULL; |
2e0fef85 JS |
4000 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
4001 | spin_lock_irq(shost->host_lock); | |
dea3101e | 4002 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 4003 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4004 | } |
4005 | return ndlp; | |
4006 | } | |
4007 | ||
4008 | /* Build a list of nodes to discover based on the loopmap */ | |
4009 | void | |
2e0fef85 | 4010 | lpfc_disc_list_loopmap(struct lpfc_vport *vport) |
dea3101e | 4011 | { |
2e0fef85 | 4012 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 4013 | int j; |
4014 | uint32_t alpa, index; | |
4015 | ||
2e0fef85 | 4016 | if (!lpfc_is_link_up(phba)) |
dea3101e | 4017 | return; |
2e0fef85 JS |
4018 | |
4019 | if (phba->fc_topology != TOPOLOGY_LOOP) | |
dea3101e | 4020 | return; |
dea3101e | 4021 | |
4022 | /* Check for loop map present or not */ | |
4023 | if (phba->alpa_map[0]) { | |
4024 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
4025 | alpa = phba->alpa_map[j]; | |
2e0fef85 | 4026 | if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0)) |
dea3101e | 4027 | continue; |
2e0fef85 | 4028 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 4029 | } |
4030 | } else { | |
4031 | /* No alpamap, so try all alpa's */ | |
4032 | for (j = 0; j < FC_MAXLOOP; j++) { | |
4033 | /* If cfg_scan_down is set, start from highest | |
4034 | * ALPA (0xef) to lowest (0x1). | |
4035 | */ | |
3de2a653 | 4036 | if (vport->cfg_scan_down) |
dea3101e | 4037 | index = j; |
4038 | else | |
4039 | index = FC_MAXLOOP - j - 1; | |
4040 | alpa = lpfcAlpaArray[index]; | |
2e0fef85 | 4041 | if ((vport->fc_myDID & 0xff) == alpa) |
dea3101e | 4042 | continue; |
2e0fef85 | 4043 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 4044 | } |
4045 | } | |
4046 | return; | |
4047 | } | |
4048 | ||
dea3101e | 4049 | void |
2e0fef85 | 4050 | lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport) |
dea3101e | 4051 | { |
dea3101e | 4052 | LPFC_MBOXQ_t *mbox; |
2e0fef85 JS |
4053 | struct lpfc_sli *psli = &phba->sli; |
4054 | struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring]; | |
4055 | struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring]; | |
4056 | struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring]; | |
4057 | int rc; | |
4058 | ||
92d7f7b0 JS |
4059 | /* |
4060 | * if it's not a physical port or if we already send | |
4061 | * clear_la then don't send it. | |
4062 | */ | |
4063 | if ((phba->link_state >= LPFC_CLEAR_LA) || | |
da0436e9 JS |
4064 | (vport->port_type != LPFC_PHYSICAL_PORT) || |
4065 | (phba->sli_rev == LPFC_SLI_REV4)) | |
92d7f7b0 JS |
4066 | return; |
4067 | ||
2e0fef85 JS |
4068 | /* Link up discovery */ |
4069 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) { | |
4070 | phba->link_state = LPFC_CLEAR_LA; | |
4071 | lpfc_clear_la(phba, mbox); | |
4072 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
4073 | mbox->vport = vport; | |
0b727fea | 4074 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
2e0fef85 JS |
4075 | if (rc == MBX_NOT_FINISHED) { |
4076 | mempool_free(mbox, phba->mbox_mem_pool); | |
4077 | lpfc_disc_flush_list(vport); | |
4078 | extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
4079 | fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
4080 | next_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
92d7f7b0 JS |
4081 | phba->link_state = LPFC_HBA_ERROR; |
4082 | } | |
4083 | } | |
4084 | } | |
4085 | ||
4086 | /* Reg_vpi to tell firmware to resume normal operations */ | |
4087 | void | |
4088 | lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport) | |
4089 | { | |
4090 | LPFC_MBOXQ_t *regvpimbox; | |
4091 | ||
4092 | regvpimbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4093 | if (regvpimbox) { | |
da0436e9 | 4094 | lpfc_reg_vpi(vport, regvpimbox); |
92d7f7b0 JS |
4095 | regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi; |
4096 | regvpimbox->vport = vport; | |
0b727fea | 4097 | if (lpfc_sli_issue_mbox(phba, regvpimbox, MBX_NOWAIT) |
92d7f7b0 JS |
4098 | == MBX_NOT_FINISHED) { |
4099 | mempool_free(regvpimbox, phba->mbox_mem_pool); | |
2e0fef85 JS |
4100 | } |
4101 | } | |
4102 | } | |
4103 | ||
4104 | /* Start Link up / RSCN discovery on NPR nodes */ | |
4105 | void | |
4106 | lpfc_disc_start(struct lpfc_vport *vport) | |
4107 | { | |
4108 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4109 | struct lpfc_hba *phba = vport->phba; | |
685f0bf7 | 4110 | uint32_t num_sent; |
dea3101e | 4111 | uint32_t clear_la_pending; |
685f0bf7 | 4112 | int did_changed; |
dea3101e | 4113 | |
2e0fef85 | 4114 | if (!lpfc_is_link_up(phba)) |
dea3101e | 4115 | return; |
2e0fef85 JS |
4116 | |
4117 | if (phba->link_state == LPFC_CLEAR_LA) | |
dea3101e | 4118 | clear_la_pending = 1; |
4119 | else | |
4120 | clear_la_pending = 0; | |
4121 | ||
2e0fef85 JS |
4122 | if (vport->port_state < LPFC_VPORT_READY) |
4123 | vport->port_state = LPFC_DISC_AUTH; | |
dea3101e | 4124 | |
2e0fef85 JS |
4125 | lpfc_set_disctmo(vport); |
4126 | ||
4127 | if (vport->fc_prevDID == vport->fc_myDID) | |
dea3101e | 4128 | did_changed = 0; |
2e0fef85 | 4129 | else |
dea3101e | 4130 | did_changed = 1; |
2e0fef85 JS |
4131 | |
4132 | vport->fc_prevDID = vport->fc_myDID; | |
4133 | vport->num_disc_nodes = 0; | |
dea3101e | 4134 | |
4135 | /* Start Discovery state <hba_state> */ | |
e8b62011 JS |
4136 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
4137 | "0202 Start Discovery hba state x%x " | |
4138 | "Data: x%x x%x x%x\n", | |
4139 | vport->port_state, vport->fc_flag, vport->fc_plogi_cnt, | |
4140 | vport->fc_adisc_cnt); | |
dea3101e | 4141 | |
4142 | /* First do ADISCs - if any */ | |
2e0fef85 | 4143 | num_sent = lpfc_els_disc_adisc(vport); |
dea3101e | 4144 | |
4145 | if (num_sent) | |
4146 | return; | |
4147 | ||
92d7f7b0 JS |
4148 | /* |
4149 | * For SLI3, cmpl_reg_vpi will set port_state to READY, and | |
4150 | * continue discovery. | |
4151 | */ | |
4152 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
1b32f6aa | 4153 | !(vport->fc_flag & FC_PT2PT) && |
da0436e9 JS |
4154 | !(vport->fc_flag & FC_RSCN_MODE) && |
4155 | (phba->sli_rev < LPFC_SLI_REV4)) { | |
92d7f7b0 JS |
4156 | lpfc_issue_reg_vpi(phba, vport); |
4157 | return; | |
4158 | } | |
4159 | ||
4160 | /* | |
4161 | * For SLI2, we need to set port_state to READY and continue | |
4162 | * discovery. | |
4163 | */ | |
2e0fef85 | 4164 | if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) { |
dea3101e | 4165 | /* If we get here, there is nothing to ADISC */ |
92d7f7b0 | 4166 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
2e0fef85 | 4167 | lpfc_issue_clear_la(phba, vport); |
2e0fef85 | 4168 | |
92d7f7b0 | 4169 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { |
2e0fef85 JS |
4170 | vport->num_disc_nodes = 0; |
4171 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
4172 | if (vport->fc_npr_cnt) | |
4173 | lpfc_els_disc_plogi(vport); | |
4174 | ||
4175 | if (!vport->num_disc_nodes) { | |
4176 | spin_lock_irq(shost->host_lock); | |
4177 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
4178 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 4179 | lpfc_can_disctmo(vport); |
dea3101e | 4180 | } |
4181 | } | |
92d7f7b0 | 4182 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 4183 | } else { |
4184 | /* Next do PLOGIs - if any */ | |
2e0fef85 | 4185 | num_sent = lpfc_els_disc_plogi(vport); |
dea3101e | 4186 | |
4187 | if (num_sent) | |
4188 | return; | |
4189 | ||
2e0fef85 | 4190 | if (vport->fc_flag & FC_RSCN_MODE) { |
dea3101e | 4191 | /* Check to see if more RSCNs came in while we |
4192 | * were processing this one. | |
4193 | */ | |
2e0fef85 JS |
4194 | if ((vport->fc_rscn_id_cnt == 0) && |
4195 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
4196 | spin_lock_irq(shost->host_lock); | |
4197 | vport->fc_flag &= ~FC_RSCN_MODE; | |
4198 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 4199 | lpfc_can_disctmo(vport); |
2fe165b6 | 4200 | } else |
2e0fef85 | 4201 | lpfc_els_handle_rscn(vport); |
dea3101e | 4202 | } |
4203 | } | |
4204 | return; | |
4205 | } | |
4206 | ||
4207 | /* | |
4208 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
4209 | * ring the match the sppecified nodelist. | |
4210 | */ | |
4211 | static void | |
2e0fef85 | 4212 | lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 4213 | { |
2534ba75 | 4214 | LIST_HEAD(completions); |
dea3101e | 4215 | struct lpfc_sli *psli; |
4216 | IOCB_t *icmd; | |
4217 | struct lpfc_iocbq *iocb, *next_iocb; | |
4218 | struct lpfc_sli_ring *pring; | |
dea3101e | 4219 | |
4220 | psli = &phba->sli; | |
4221 | pring = &psli->ring[LPFC_ELS_RING]; | |
4222 | ||
4223 | /* Error matching iocb on txq or txcmplq | |
4224 | * First check the txq. | |
4225 | */ | |
2e0fef85 | 4226 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4227 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
4228 | if (iocb->context1 != ndlp) { | |
4229 | continue; | |
4230 | } | |
4231 | icmd = &iocb->iocb; | |
4232 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
4233 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
4234 | ||
2534ba75 | 4235 | list_move_tail(&iocb->list, &completions); |
dea3101e | 4236 | pring->txq_cnt--; |
dea3101e | 4237 | } |
4238 | } | |
4239 | ||
4240 | /* Next check the txcmplq */ | |
4241 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
4242 | if (iocb->context1 != ndlp) { | |
4243 | continue; | |
4244 | } | |
4245 | icmd = &iocb->iocb; | |
2e0fef85 JS |
4246 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR || |
4247 | icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) { | |
2534ba75 JS |
4248 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
4249 | } | |
4250 | } | |
2e0fef85 | 4251 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4252 | |
a257bf90 JS |
4253 | /* Cancel all the IOCBs from the completions list */ |
4254 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
4255 | IOERR_SLI_ABORTED); | |
dea3101e | 4256 | } |
4257 | ||
a6ababd2 | 4258 | static void |
2e0fef85 | 4259 | lpfc_disc_flush_list(struct lpfc_vport *vport) |
dea3101e | 4260 | { |
4261 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 4262 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 4263 | |
2e0fef85 JS |
4264 | if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) { |
4265 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, | |
685f0bf7 | 4266 | nlp_listp) { |
e47c9093 JS |
4267 | if (!NLP_CHK_NODE_ACT(ndlp)) |
4268 | continue; | |
685f0bf7 JS |
4269 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
4270 | ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { | |
4271 | lpfc_free_tx(phba, ndlp); | |
685f0bf7 | 4272 | } |
dea3101e | 4273 | } |
4274 | } | |
dea3101e | 4275 | } |
4276 | ||
92d7f7b0 JS |
4277 | void |
4278 | lpfc_cleanup_discovery_resources(struct lpfc_vport *vport) | |
4279 | { | |
4280 | lpfc_els_flush_rscn(vport); | |
4281 | lpfc_els_flush_cmd(vport); | |
4282 | lpfc_disc_flush_list(vport); | |
4283 | } | |
4284 | ||
dea3101e | 4285 | /*****************************************************************************/ |
4286 | /* | |
4287 | * NAME: lpfc_disc_timeout | |
4288 | * | |
4289 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
4290 | * | |
4291 | * EXECUTION ENVIRONMENT: interrupt only | |
4292 | * | |
4293 | * CALLED FROM: | |
4294 | * Timer function | |
4295 | * | |
4296 | * RETURNS: | |
4297 | * none | |
4298 | */ | |
4299 | /*****************************************************************************/ | |
4300 | void | |
4301 | lpfc_disc_timeout(unsigned long ptr) | |
4302 | { | |
2e0fef85 JS |
4303 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
4304 | struct lpfc_hba *phba = vport->phba; | |
5e9d9b82 | 4305 | uint32_t tmo_posted; |
dea3101e | 4306 | unsigned long flags = 0; |
4307 | ||
4308 | if (unlikely(!phba)) | |
4309 | return; | |
4310 | ||
5e9d9b82 JS |
4311 | spin_lock_irqsave(&vport->work_port_lock, flags); |
4312 | tmo_posted = vport->work_port_events & WORKER_DISC_TMO; | |
4313 | if (!tmo_posted) | |
2e0fef85 | 4314 | vport->work_port_events |= WORKER_DISC_TMO; |
5e9d9b82 | 4315 | spin_unlock_irqrestore(&vport->work_port_lock, flags); |
2e0fef85 | 4316 | |
5e9d9b82 JS |
4317 | if (!tmo_posted) |
4318 | lpfc_worker_wake_up(phba); | |
dea3101e | 4319 | return; |
4320 | } | |
4321 | ||
4322 | static void | |
2e0fef85 | 4323 | lpfc_disc_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 4324 | { |
2e0fef85 JS |
4325 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4326 | struct lpfc_hba *phba = vport->phba; | |
4327 | struct lpfc_sli *psli = &phba->sli; | |
c9f8735b | 4328 | struct lpfc_nodelist *ndlp, *next_ndlp; |
92d7f7b0 | 4329 | LPFC_MBOXQ_t *initlinkmbox; |
dea3101e | 4330 | int rc, clrlaerr = 0; |
4331 | ||
2e0fef85 | 4332 | if (!(vport->fc_flag & FC_DISC_TMO)) |
dea3101e | 4333 | return; |
4334 | ||
2e0fef85 JS |
4335 | spin_lock_irq(shost->host_lock); |
4336 | vport->fc_flag &= ~FC_DISC_TMO; | |
4337 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 4338 | |
858c9f6c JS |
4339 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
4340 | "disc timeout: state:x%x rtry:x%x flg:x%x", | |
4341 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
4342 | ||
2e0fef85 | 4343 | switch (vport->port_state) { |
dea3101e | 4344 | |
4345 | case LPFC_LOCAL_CFG_LINK: | |
2e0fef85 JS |
4346 | /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for |
4347 | * FAN | |
4348 | */ | |
4349 | /* FAN timeout */ | |
e8b62011 JS |
4350 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY, |
4351 | "0221 FAN timeout\n"); | |
c9f8735b | 4352 | /* Start discovery by sending FLOGI, clean up old rpis */ |
2e0fef85 | 4353 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 | 4354 | nlp_listp) { |
e47c9093 JS |
4355 | if (!NLP_CHK_NODE_ACT(ndlp)) |
4356 | continue; | |
685f0bf7 JS |
4357 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
4358 | continue; | |
c9f8735b JW |
4359 | if (ndlp->nlp_type & NLP_FABRIC) { |
4360 | /* Clean up the ndlp on Fabric connections */ | |
2e0fef85 | 4361 | lpfc_drop_node(vport, ndlp); |
87af33fe | 4362 | |
2fe165b6 | 4363 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
c9f8735b JW |
4364 | /* Fail outstanding IO now since device |
4365 | * is marked for PLOGI. | |
4366 | */ | |
2e0fef85 | 4367 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
4368 | } |
4369 | } | |
92d7f7b0 | 4370 | if (vport->port_state != LPFC_FLOGI) { |
92d7f7b0 | 4371 | lpfc_initial_flogi(vport); |
0ff10d46 | 4372 | return; |
92d7f7b0 | 4373 | } |
dea3101e | 4374 | break; |
4375 | ||
92d7f7b0 | 4376 | case LPFC_FDISC: |
dea3101e | 4377 | case LPFC_FLOGI: |
2e0fef85 | 4378 | /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ |
dea3101e | 4379 | /* Initial FLOGI timeout */ |
e8b62011 JS |
4380 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4381 | "0222 Initial %s timeout\n", | |
87af33fe | 4382 | vport->vpi ? "FDISC" : "FLOGI"); |
dea3101e | 4383 | |
4384 | /* Assume no Fabric and go on with discovery. | |
4385 | * Check for outstanding ELS FLOGI to abort. | |
4386 | */ | |
4387 | ||
4388 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2e0fef85 | 4389 | lpfc_disc_list_loopmap(vport); |
dea3101e | 4390 | |
4391 | /* Start discovery */ | |
2e0fef85 | 4392 | lpfc_disc_start(vport); |
dea3101e | 4393 | break; |
4394 | ||
4395 | case LPFC_FABRIC_CFG_LINK: | |
4396 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
4397 | NameServer login */ | |
e8b62011 JS |
4398 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4399 | "0223 Timeout while waiting for " | |
4400 | "NameServer login\n"); | |
dea3101e | 4401 | /* Next look for NameServer ndlp */ |
2e0fef85 | 4402 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
e47c9093 | 4403 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) |
87af33fe JS |
4404 | lpfc_els_abort(phba, ndlp); |
4405 | ||
4406 | /* ReStart discovery */ | |
4407 | goto restart_disc; | |
dea3101e | 4408 | |
4409 | case LPFC_NS_QRY: | |
4410 | /* Check for wait for NameServer Rsp timeout */ | |
e8b62011 JS |
4411 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4412 | "0224 NameServer Query timeout " | |
4413 | "Data: x%x x%x\n", | |
4414 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 4415 | |
92d7f7b0 JS |
4416 | if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
4417 | /* Try it one more time */ | |
4418 | vport->fc_ns_retry++; | |
4419 | rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, | |
4420 | vport->fc_ns_retry, 0); | |
4421 | if (rc == 0) | |
4422 | break; | |
dea3101e | 4423 | } |
92d7f7b0 | 4424 | vport->fc_ns_retry = 0; |
dea3101e | 4425 | |
87af33fe | 4426 | restart_disc: |
92d7f7b0 JS |
4427 | /* |
4428 | * Discovery is over. | |
4429 | * set port_state to PORT_READY if SLI2. | |
4430 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
4431 | */ | |
3772a991 JS |
4432 | if (phba->sli_rev < LPFC_SLI_REV4) { |
4433 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
4434 | lpfc_issue_reg_vpi(phba, vport); | |
4435 | else { /* NPIV Not enabled */ | |
4436 | lpfc_issue_clear_la(phba, vport); | |
4437 | vport->port_state = LPFC_VPORT_READY; | |
4438 | } | |
dea3101e | 4439 | } |
4440 | ||
4441 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
4442 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4443 | if (!initlinkmbox) { | |
e8b62011 JS |
4444 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4445 | "0206 Device Discovery " | |
4446 | "completion error\n"); | |
2e0fef85 | 4447 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 4448 | break; |
4449 | } | |
4450 | ||
4451 | lpfc_linkdown(phba); | |
4452 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
4453 | phba->cfg_link_speed); | |
04c68496 | 4454 | initlinkmbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0; |
ed957684 | 4455 | initlinkmbox->vport = vport; |
92d7f7b0 | 4456 | initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 4457 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, MBX_NOWAIT); |
5b8bd0c9 | 4458 | lpfc_set_loopback_flag(phba); |
dea3101e | 4459 | if (rc == MBX_NOT_FINISHED) |
4460 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
4461 | ||
4462 | break; | |
4463 | ||
4464 | case LPFC_DISC_AUTH: | |
4465 | /* Node Authentication timeout */ | |
e8b62011 JS |
4466 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4467 | "0227 Node Authentication timeout\n"); | |
2e0fef85 JS |
4468 | lpfc_disc_flush_list(vport); |
4469 | ||
92d7f7b0 JS |
4470 | /* |
4471 | * set port_state to PORT_READY if SLI2. | |
4472 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
4473 | */ | |
3772a991 JS |
4474 | if (phba->sli_rev < LPFC_SLI_REV4) { |
4475 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
4476 | lpfc_issue_reg_vpi(phba, vport); | |
4477 | else { /* NPIV Not enabled */ | |
4478 | lpfc_issue_clear_la(phba, vport); | |
4479 | vport->port_state = LPFC_VPORT_READY; | |
4480 | } | |
dea3101e | 4481 | } |
4482 | break; | |
4483 | ||
2e0fef85 JS |
4484 | case LPFC_VPORT_READY: |
4485 | if (vport->fc_flag & FC_RSCN_MODE) { | |
e8b62011 JS |
4486 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4487 | "0231 RSCN timeout Data: x%x " | |
4488 | "x%x\n", | |
4489 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 4490 | |
4491 | /* Cleanup any outstanding ELS commands */ | |
2e0fef85 | 4492 | lpfc_els_flush_cmd(vport); |
dea3101e | 4493 | |
2e0fef85 JS |
4494 | lpfc_els_flush_rscn(vport); |
4495 | lpfc_disc_flush_list(vport); | |
dea3101e | 4496 | } |
4497 | break; | |
2e0fef85 | 4498 | |
92d7f7b0 | 4499 | default: |
e8b62011 | 4500 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
d7c255b2 | 4501 | "0273 Unexpected discovery timeout, " |
e8b62011 | 4502 | "vport State x%x\n", vport->port_state); |
2e0fef85 JS |
4503 | break; |
4504 | } | |
4505 | ||
4506 | switch (phba->link_state) { | |
4507 | case LPFC_CLEAR_LA: | |
92d7f7b0 | 4508 | /* CLEAR LA timeout */ |
e8b62011 JS |
4509 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4510 | "0228 CLEAR LA timeout\n"); | |
2e0fef85 JS |
4511 | clrlaerr = 1; |
4512 | break; | |
4513 | ||
09372820 JS |
4514 | case LPFC_LINK_UP: |
4515 | lpfc_issue_clear_la(phba, vport); | |
4516 | /* Drop thru */ | |
2e0fef85 JS |
4517 | case LPFC_LINK_UNKNOWN: |
4518 | case LPFC_WARM_START: | |
4519 | case LPFC_INIT_START: | |
4520 | case LPFC_INIT_MBX_CMDS: | |
4521 | case LPFC_LINK_DOWN: | |
2e0fef85 | 4522 | case LPFC_HBA_ERROR: |
e8b62011 JS |
4523 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4524 | "0230 Unexpected timeout, hba link " | |
4525 | "state x%x\n", phba->link_state); | |
2e0fef85 JS |
4526 | clrlaerr = 1; |
4527 | break; | |
92d7f7b0 JS |
4528 | |
4529 | case LPFC_HBA_READY: | |
4530 | break; | |
dea3101e | 4531 | } |
4532 | ||
4533 | if (clrlaerr) { | |
2e0fef85 | 4534 | lpfc_disc_flush_list(vport); |
a4bc3379 | 4535 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 4536 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
4537 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2e0fef85 | 4538 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 4539 | } |
4540 | ||
4541 | return; | |
4542 | } | |
4543 | ||
dea3101e | 4544 | /* |
4545 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
4546 | * command upon completion. It is setup in the LPFC_MBOXQ | |
4547 | * as the completion routine when the command is | |
4548 | * handed off to the SLI layer. | |
4549 | */ | |
4550 | void | |
2e0fef85 | 4551 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 4552 | { |
04c68496 | 4553 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
4554 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
4555 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
4556 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 4557 | |
4558 | pmb->context1 = NULL; | |
4559 | ||
dea3101e | 4560 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 4561 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 4562 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 4563 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 4564 | |
2e0fef85 JS |
4565 | /* |
4566 | * Start issuing Fabric-Device Management Interface (FDMI) command to | |
4567 | * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if | |
4568 | * fdmi-on=2 (supporting RPA/hostnmae) | |
dea3101e | 4569 | */ |
2e0fef85 | 4570 | |
3de2a653 | 4571 | if (vport->cfg_fdmi_on == 1) |
2e0fef85 JS |
4572 | lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); |
4573 | else | |
4574 | mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); | |
dea3101e | 4575 | |
fa4066b6 JS |
4576 | /* decrement the node reference count held for this callback |
4577 | * function. | |
4578 | */ | |
329f9bc7 | 4579 | lpfc_nlp_put(ndlp); |
dea3101e | 4580 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
4581 | kfree(mp); | |
329f9bc7 | 4582 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 4583 | |
4584 | return; | |
4585 | } | |
4586 | ||
685f0bf7 JS |
4587 | static int |
4588 | lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) | |
4589 | { | |
4590 | uint16_t *rpi = param; | |
4591 | ||
4592 | return ndlp->nlp_rpi == *rpi; | |
4593 | } | |
4594 | ||
4595 | static int | |
4596 | lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) | |
4597 | { | |
4598 | return memcmp(&ndlp->nlp_portname, param, | |
4599 | sizeof(ndlp->nlp_portname)) == 0; | |
4600 | } | |
4601 | ||
a6ababd2 | 4602 | static struct lpfc_nodelist * |
2e0fef85 | 4603 | __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
dea3101e | 4604 | { |
21568f53 | 4605 | struct lpfc_nodelist *ndlp; |
dea3101e | 4606 | |
2e0fef85 | 4607 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
87af33fe | 4608 | if (filter(ndlp, param)) |
685f0bf7 JS |
4609 | return ndlp; |
4610 | } | |
21568f53 | 4611 | return NULL; |
dea3101e | 4612 | } |
4613 | ||
685f0bf7 JS |
4614 | /* |
4615 | * This routine looks up the ndlp lists for the given RPI. If rpi found it | |
2e0fef85 | 4616 | * returns the node list element pointer else return NULL. |
685f0bf7 JS |
4617 | */ |
4618 | struct lpfc_nodelist * | |
2e0fef85 | 4619 | __lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
685f0bf7 | 4620 | { |
2e0fef85 | 4621 | return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi); |
685f0bf7 JS |
4622 | } |
4623 | ||
488d1469 | 4624 | /* |
685f0bf7 | 4625 | * This routine looks up the ndlp lists for the given WWPN. If WWPN found it |
2e0fef85 | 4626 | * returns the node element list pointer else return NULL. |
488d1469 JS |
4627 | */ |
4628 | struct lpfc_nodelist * | |
2e0fef85 | 4629 | lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn) |
488d1469 | 4630 | { |
2e0fef85 | 4631 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
488d1469 | 4632 | struct lpfc_nodelist *ndlp; |
488d1469 | 4633 | |
2e0fef85 JS |
4634 | spin_lock_irq(shost->host_lock); |
4635 | ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn); | |
4636 | spin_unlock_irq(shost->host_lock); | |
858c9f6c | 4637 | return ndlp; |
488d1469 JS |
4638 | } |
4639 | ||
dea3101e | 4640 | void |
2e0fef85 JS |
4641 | lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
4642 | uint32_t did) | |
dea3101e | 4643 | { |
4644 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
109f6ed0 JS |
4645 | |
4646 | lpfc_initialize_node(vport, ndlp, did); | |
685f0bf7 | 4647 | INIT_LIST_HEAD(&ndlp->nlp_listp); |
858c9f6c JS |
4648 | |
4649 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
4650 | "node init: did:x%x", | |
4651 | ndlp->nlp_DID, 0, 0); | |
4652 | ||
dea3101e | 4653 | return; |
4654 | } | |
329f9bc7 | 4655 | |
98c9ea5c JS |
4656 | /* This routine releases all resources associated with a specifc NPort's ndlp |
4657 | * and mempool_free's the nodelist. | |
4658 | */ | |
311464ec | 4659 | static void |
329f9bc7 JS |
4660 | lpfc_nlp_release(struct kref *kref) |
4661 | { | |
e47c9093 JS |
4662 | struct lpfc_hba *phba; |
4663 | unsigned long flags; | |
329f9bc7 JS |
4664 | struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, |
4665 | kref); | |
858c9f6c JS |
4666 | |
4667 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4668 | "node release: did:x%x flg:x%x type:x%x", | |
4669 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
4670 | ||
e47c9093 JS |
4671 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, |
4672 | "0279 lpfc_nlp_release: ndlp:x%p " | |
4673 | "usgmap:x%x refcnt:%d\n", | |
4674 | (void *)ndlp, ndlp->nlp_usg_map, | |
4675 | atomic_read(&ndlp->kref.refcount)); | |
4676 | ||
4677 | /* remove ndlp from action. */ | |
2e0fef85 | 4678 | lpfc_nlp_remove(ndlp->vport, ndlp); |
e47c9093 JS |
4679 | |
4680 | /* clear the ndlp active flag for all release cases */ | |
a257bf90 | 4681 | phba = ndlp->phba; |
e47c9093 JS |
4682 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
4683 | NLP_CLR_NODE_ACT(ndlp); | |
4684 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4685 | ||
4686 | /* free ndlp memory for final ndlp release */ | |
ea2151b4 JS |
4687 | if (NLP_CHK_FREE_REQ(ndlp)) { |
4688 | kfree(ndlp->lat_data); | |
a257bf90 | 4689 | mempool_free(ndlp, ndlp->phba->nlp_mem_pool); |
ea2151b4 | 4690 | } |
329f9bc7 JS |
4691 | } |
4692 | ||
98c9ea5c JS |
4693 | /* This routine bumps the reference count for a ndlp structure to ensure |
4694 | * that one discovery thread won't free a ndlp while another discovery thread | |
4695 | * is using it. | |
4696 | */ | |
329f9bc7 JS |
4697 | struct lpfc_nodelist * |
4698 | lpfc_nlp_get(struct lpfc_nodelist *ndlp) | |
4699 | { | |
e47c9093 JS |
4700 | struct lpfc_hba *phba; |
4701 | unsigned long flags; | |
4702 | ||
98c9ea5c JS |
4703 | if (ndlp) { |
4704 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4705 | "node get: did:x%x flg:x%x refcnt:x%x", | |
4706 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4707 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
4708 | /* The check of ndlp usage to prevent incrementing the |
4709 | * ndlp reference count that is in the process of being | |
4710 | * released. | |
4711 | */ | |
a257bf90 | 4712 | phba = ndlp->phba; |
e47c9093 JS |
4713 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
4714 | if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) { | |
4715 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4716 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
4717 | "0276 lpfc_nlp_get: ndlp:x%p " | |
4718 | "usgmap:x%x refcnt:%d\n", | |
4719 | (void *)ndlp, ndlp->nlp_usg_map, | |
4720 | atomic_read(&ndlp->kref.refcount)); | |
4721 | return NULL; | |
4722 | } else | |
4723 | kref_get(&ndlp->kref); | |
4724 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
98c9ea5c | 4725 | } |
329f9bc7 JS |
4726 | return ndlp; |
4727 | } | |
4728 | ||
98c9ea5c | 4729 | /* This routine decrements the reference count for a ndlp structure. If the |
e47c9093 JS |
4730 | * count goes to 0, this indicates the the associated nodelist should be |
4731 | * freed. Returning 1 indicates the ndlp resource has been released; on the | |
4732 | * other hand, returning 0 indicates the ndlp resource has not been released | |
4733 | * yet. | |
98c9ea5c | 4734 | */ |
329f9bc7 JS |
4735 | int |
4736 | lpfc_nlp_put(struct lpfc_nodelist *ndlp) | |
4737 | { | |
e47c9093 JS |
4738 | struct lpfc_hba *phba; |
4739 | unsigned long flags; | |
4740 | ||
4741 | if (!ndlp) | |
4742 | return 1; | |
4743 | ||
4744 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4745 | "node put: did:x%x flg:x%x refcnt:x%x", | |
4746 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4747 | atomic_read(&ndlp->kref.refcount)); | |
a257bf90 | 4748 | phba = ndlp->phba; |
e47c9093 JS |
4749 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
4750 | /* Check the ndlp memory free acknowledge flag to avoid the | |
4751 | * possible race condition that kref_put got invoked again | |
4752 | * after previous one has done ndlp memory free. | |
4753 | */ | |
4754 | if (NLP_CHK_FREE_ACK(ndlp)) { | |
4755 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4756 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
4757 | "0274 lpfc_nlp_put: ndlp:x%p " | |
4758 | "usgmap:x%x refcnt:%d\n", | |
4759 | (void *)ndlp, ndlp->nlp_usg_map, | |
4760 | atomic_read(&ndlp->kref.refcount)); | |
4761 | return 1; | |
4762 | } | |
4763 | /* Check the ndlp inactivate log flag to avoid the possible | |
4764 | * race condition that kref_put got invoked again after ndlp | |
4765 | * is already in inactivating state. | |
4766 | */ | |
4767 | if (NLP_CHK_IACT_REQ(ndlp)) { | |
4768 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4769 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
4770 | "0275 lpfc_nlp_put: ndlp:x%p " | |
4771 | "usgmap:x%x refcnt:%d\n", | |
4772 | (void *)ndlp, ndlp->nlp_usg_map, | |
4773 | atomic_read(&ndlp->kref.refcount)); | |
4774 | return 1; | |
98c9ea5c | 4775 | } |
e47c9093 JS |
4776 | /* For last put, mark the ndlp usage flags to make sure no |
4777 | * other kref_get and kref_put on the same ndlp shall get | |
4778 | * in between the process when the final kref_put has been | |
4779 | * invoked on this ndlp. | |
4780 | */ | |
4781 | if (atomic_read(&ndlp->kref.refcount) == 1) { | |
4782 | /* Indicate ndlp is put to inactive state. */ | |
4783 | NLP_SET_IACT_REQ(ndlp); | |
4784 | /* Acknowledge ndlp memory free has been seen. */ | |
4785 | if (NLP_CHK_FREE_REQ(ndlp)) | |
4786 | NLP_SET_FREE_ACK(ndlp); | |
4787 | } | |
4788 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4789 | /* Note, the kref_put returns 1 when decrementing a reference | |
4790 | * count that was 1, it invokes the release callback function, | |
4791 | * but it still left the reference count as 1 (not actually | |
4792 | * performs the last decrementation). Otherwise, it actually | |
4793 | * decrements the reference count and returns 0. | |
4794 | */ | |
4795 | return kref_put(&ndlp->kref, lpfc_nlp_release); | |
329f9bc7 | 4796 | } |
98c9ea5c JS |
4797 | |
4798 | /* This routine free's the specified nodelist if it is not in use | |
e47c9093 JS |
4799 | * by any other discovery thread. This routine returns 1 if the |
4800 | * ndlp has been freed. A return value of 0 indicates the ndlp is | |
4801 | * not yet been released. | |
98c9ea5c JS |
4802 | */ |
4803 | int | |
4804 | lpfc_nlp_not_used(struct lpfc_nodelist *ndlp) | |
4805 | { | |
4806 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4807 | "node not used: did:x%x flg:x%x refcnt:x%x", | |
4808 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4809 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
4810 | if (atomic_read(&ndlp->kref.refcount) == 1) |
4811 | if (lpfc_nlp_put(ndlp)) | |
4812 | return 1; | |
98c9ea5c JS |
4813 | return 0; |
4814 | } | |
6fb120a7 JS |
4815 | |
4816 | /** | |
4817 | * lpfc_fcf_inuse - Check if FCF can be unregistered. | |
4818 | * @phba: Pointer to hba context object. | |
4819 | * | |
4820 | * This function iterate through all FC nodes associated | |
4821 | * will all vports to check if there is any node with | |
4822 | * fc_rports associated with it. If there is an fc_rport | |
4823 | * associated with the node, then the node is either in | |
4824 | * discovered state or its devloss_timer is pending. | |
4825 | */ | |
4826 | static int | |
4827 | lpfc_fcf_inuse(struct lpfc_hba *phba) | |
4828 | { | |
4829 | struct lpfc_vport **vports; | |
4830 | int i, ret = 0; | |
4831 | struct lpfc_nodelist *ndlp; | |
4832 | struct Scsi_Host *shost; | |
4833 | ||
4834 | vports = lpfc_create_vport_work_array(phba); | |
4835 | ||
4836 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
4837 | shost = lpfc_shost_from_vport(vports[i]); | |
4838 | spin_lock_irq(shost->host_lock); | |
4839 | list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) { | |
4840 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport && | |
4841 | (ndlp->rport->roles & FC_RPORT_ROLE_FCP_TARGET)) { | |
4842 | ret = 1; | |
4843 | spin_unlock_irq(shost->host_lock); | |
4844 | goto out; | |
891478a2 JS |
4845 | } else { |
4846 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
4847 | "2624 RPI %x DID %x flg %x still " | |
4848 | "logged in\n", | |
4849 | ndlp->nlp_rpi, ndlp->nlp_DID, | |
4850 | ndlp->nlp_flag); | |
4851 | if (ndlp->nlp_flag & NLP_RPI_VALID) | |
4852 | ret = 1; | |
6fb120a7 JS |
4853 | } |
4854 | } | |
4855 | spin_unlock_irq(shost->host_lock); | |
4856 | } | |
4857 | out: | |
4858 | lpfc_destroy_vport_work_array(phba, vports); | |
4859 | return ret; | |
4860 | } | |
4861 | ||
4862 | /** | |
4863 | * lpfc_unregister_vfi_cmpl - Completion handler for unreg vfi. | |
4864 | * @phba: Pointer to hba context object. | |
4865 | * @mboxq: Pointer to mailbox object. | |
4866 | * | |
4867 | * This function frees memory associated with the mailbox command. | |
4868 | */ | |
4869 | static void | |
4870 | lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
4871 | { | |
4872 | struct lpfc_vport *vport = mboxq->vport; | |
4873 | ||
4874 | if (mboxq->u.mb.mbxStatus) { | |
4875 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
4876 | "2555 UNREG_VFI mbxStatus error x%x " | |
4877 | "HBA state x%x\n", | |
4878 | mboxq->u.mb.mbxStatus, vport->port_state); | |
4879 | } | |
4880 | mempool_free(mboxq, phba->mbox_mem_pool); | |
4881 | return; | |
4882 | } | |
4883 | ||
4884 | /** | |
4885 | * lpfc_unregister_fcfi_cmpl - Completion handler for unreg fcfi. | |
4886 | * @phba: Pointer to hba context object. | |
4887 | * @mboxq: Pointer to mailbox object. | |
4888 | * | |
4889 | * This function frees memory associated with the mailbox command. | |
4890 | */ | |
4891 | static void | |
4892 | lpfc_unregister_fcfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
4893 | { | |
4894 | struct lpfc_vport *vport = mboxq->vport; | |
4895 | ||
4896 | if (mboxq->u.mb.mbxStatus) { | |
4897 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
4898 | "2550 UNREG_FCFI mbxStatus error x%x " | |
4899 | "HBA state x%x\n", | |
4900 | mboxq->u.mb.mbxStatus, vport->port_state); | |
4901 | } | |
4902 | mempool_free(mboxq, phba->mbox_mem_pool); | |
4903 | return; | |
4904 | } | |
4905 | ||
4906 | /** | |
ecfd03c6 | 4907 | * lpfc_unregister_fcf_prep - Unregister fcf record preparation |
6fb120a7 JS |
4908 | * @phba: Pointer to hba context object. |
4909 | * | |
ecfd03c6 JS |
4910 | * This function prepare the HBA for unregistering the currently registered |
4911 | * FCF from the HBA. It performs unregistering, in order, RPIs, VPIs, and | |
4912 | * VFIs. | |
6fb120a7 | 4913 | */ |
ecfd03c6 JS |
4914 | int |
4915 | lpfc_unregister_fcf_prep(struct lpfc_hba *phba) | |
6fb120a7 JS |
4916 | { |
4917 | LPFC_MBOXQ_t *mbox; | |
6fb120a7 | 4918 | struct lpfc_vport **vports; |
695a814e | 4919 | struct lpfc_nodelist *ndlp; |
72100cc4 | 4920 | struct Scsi_Host *shost; |
ecfd03c6 | 4921 | int i, rc; |
6fb120a7 | 4922 | |
ecfd03c6 | 4923 | /* Unregister RPIs */ |
6fb120a7 | 4924 | if (lpfc_fcf_inuse(phba)) |
ecfd03c6 | 4925 | lpfc_unreg_hba_rpis(phba); |
6fb120a7 | 4926 | |
4d9ab994 JS |
4927 | /* At this point, all discovery is aborted */ |
4928 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
6fb120a7 JS |
4929 | |
4930 | /* Unregister VPIs */ | |
4931 | vports = lpfc_create_vport_work_array(phba); | |
ecfd03c6 | 4932 | if (vports && (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) |
6fb120a7 | 4933 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
695a814e JS |
4934 | /* Stop FLOGI/FDISC retries */ |
4935 | ndlp = lpfc_findnode_did(vports[i], Fabric_DID); | |
4936 | if (ndlp) | |
4937 | lpfc_cancel_retry_delay_tmo(vports[i], ndlp); | |
6fb120a7 | 4938 | lpfc_mbx_unreg_vpi(vports[i]); |
72100cc4 JS |
4939 | shost = lpfc_shost_from_vport(vports[i]); |
4940 | spin_lock_irq(shost->host_lock); | |
891478a2 | 4941 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; |
c868595d | 4942 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
72100cc4 | 4943 | spin_unlock_irq(shost->host_lock); |
6fb120a7 JS |
4944 | } |
4945 | lpfc_destroy_vport_work_array(phba, vports); | |
4946 | ||
695a814e JS |
4947 | /* Cleanup any outstanding ELS commands */ |
4948 | lpfc_els_flush_all_cmd(phba); | |
4949 | ||
6fb120a7 JS |
4950 | /* Unregister VFI */ |
4951 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4952 | if (!mbox) { | |
4953 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
4954 | "2556 UNREG_VFI mbox allocation failed" |
4955 | "HBA state x%x\n", phba->pport->port_state); | |
4956 | return -ENOMEM; | |
6fb120a7 JS |
4957 | } |
4958 | ||
6669f9bb | 4959 | lpfc_unreg_vfi(mbox, phba->pport); |
6fb120a7 JS |
4960 | mbox->vport = phba->pport; |
4961 | mbox->mbox_cmpl = lpfc_unregister_vfi_cmpl; | |
4962 | ||
4963 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
4964 | if (rc == MBX_NOT_FINISHED) { | |
4965 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
4966 | "2557 UNREG_VFI issue mbox failed rc x%x " |
4967 | "HBA state x%x\n", | |
4968 | rc, phba->pport->port_state); | |
6fb120a7 | 4969 | mempool_free(mbox, phba->mbox_mem_pool); |
ecfd03c6 | 4970 | return -EIO; |
6fb120a7 JS |
4971 | } |
4972 | ||
72100cc4 JS |
4973 | shost = lpfc_shost_from_vport(phba->pport); |
4974 | spin_lock_irq(shost->host_lock); | |
695a814e | 4975 | phba->pport->fc_flag &= ~FC_VFI_REGISTERED; |
72100cc4 | 4976 | spin_unlock_irq(shost->host_lock); |
695a814e | 4977 | |
ecfd03c6 JS |
4978 | return 0; |
4979 | } | |
4980 | ||
4981 | /** | |
4982 | * lpfc_sli4_unregister_fcf - Unregister currently registered FCF record | |
4983 | * @phba: Pointer to hba context object. | |
4984 | * | |
4985 | * This function issues synchronous unregister FCF mailbox command to HBA to | |
4986 | * unregister the currently registered FCF record. The driver does not reset | |
4987 | * the driver FCF usage state flags. | |
4988 | * | |
4989 | * Return 0 if successfully issued, none-zero otherwise. | |
4990 | */ | |
4991 | int | |
4992 | lpfc_sli4_unregister_fcf(struct lpfc_hba *phba) | |
4993 | { | |
4994 | LPFC_MBOXQ_t *mbox; | |
4995 | int rc; | |
4996 | ||
6fb120a7 JS |
4997 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4998 | if (!mbox) { | |
4999 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
5000 | "2551 UNREG_FCFI mbox allocation failed" |
5001 | "HBA state x%x\n", phba->pport->port_state); | |
5002 | return -ENOMEM; | |
6fb120a7 | 5003 | } |
6fb120a7 JS |
5004 | lpfc_unreg_fcfi(mbox, phba->fcf.fcfi); |
5005 | mbox->vport = phba->pport; | |
5006 | mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl; | |
5007 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
5008 | ||
5009 | if (rc == MBX_NOT_FINISHED) { | |
ecfd03c6 JS |
5010 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
5011 | "2552 Unregister FCFI command failed rc x%x " | |
5012 | "HBA state x%x\n", | |
5013 | rc, phba->pport->port_state); | |
5014 | return -EINVAL; | |
5015 | } | |
5016 | return 0; | |
5017 | } | |
5018 | ||
5019 | /** | |
5020 | * lpfc_unregister_fcf_rescan - Unregister currently registered fcf and rescan | |
5021 | * @phba: Pointer to hba context object. | |
5022 | * | |
5023 | * This function unregisters the currently reigstered FCF. This function | |
5024 | * also tries to find another FCF for discovery by rescan the HBA FCF table. | |
5025 | */ | |
5026 | void | |
5027 | lpfc_unregister_fcf_rescan(struct lpfc_hba *phba) | |
5028 | { | |
5029 | int rc; | |
5030 | ||
5031 | /* Preparation for unregistering fcf */ | |
5032 | rc = lpfc_unregister_fcf_prep(phba); | |
5033 | if (rc) { | |
5034 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
5035 | "2748 Failed to prepare for unregistering " | |
5036 | "HBA's FCF record: rc=%d\n", rc); | |
6fb120a7 JS |
5037 | return; |
5038 | } | |
5039 | ||
ecfd03c6 JS |
5040 | /* Now, unregister FCF record and reset HBA FCF state */ |
5041 | rc = lpfc_sli4_unregister_fcf(phba); | |
5042 | if (rc) | |
5043 | return; | |
5044 | /* Reset HBA FCF states after successful unregister FCF */ | |
5045 | phba->fcf.fcf_flag = 0; | |
fc2b989b | 5046 | phba->fcf.current_rec.flag = 0; |
6fb120a7 JS |
5047 | |
5048 | /* | |
5049 | * If driver is not unloading, check if there is any other | |
5050 | * FCF record that can be used for discovery. | |
5051 | */ | |
5052 | if ((phba->pport->load_flag & FC_UNLOADING) || | |
ecfd03c6 | 5053 | (phba->link_state < LPFC_LINK_UP)) |
6fb120a7 JS |
5054 | return; |
5055 | ||
0c9ab6f5 JS |
5056 | /* This is considered as the initial FCF discovery scan */ |
5057 | spin_lock_irq(&phba->hbalock); | |
5058 | phba->fcf.fcf_flag |= FCF_INIT_DISC; | |
5059 | spin_unlock_irq(&phba->hbalock); | |
5060 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); | |
6fb120a7 | 5061 | |
0c9ab6f5 JS |
5062 | if (rc) { |
5063 | spin_lock_irq(&phba->hbalock); | |
5064 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
5065 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 | 5066 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, |
ecfd03c6 JS |
5067 | "2553 lpfc_unregister_unused_fcf failed " |
5068 | "to read FCF record HBA state x%x\n", | |
5069 | phba->pport->port_state); | |
0c9ab6f5 | 5070 | } |
ecfd03c6 JS |
5071 | } |
5072 | ||
5073 | /** | |
5074 | * lpfc_unregister_fcf - Unregister the currently registered fcf record | |
5075 | * @phba: Pointer to hba context object. | |
5076 | * | |
5077 | * This function just unregisters the currently reigstered FCF. It does not | |
5078 | * try to find another FCF for discovery. | |
5079 | */ | |
5080 | void | |
5081 | lpfc_unregister_fcf(struct lpfc_hba *phba) | |
5082 | { | |
5083 | int rc; | |
5084 | ||
5085 | /* Preparation for unregistering fcf */ | |
5086 | rc = lpfc_unregister_fcf_prep(phba); | |
5087 | if (rc) { | |
5088 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
5089 | "2749 Failed to prepare for unregistering " | |
5090 | "HBA's FCF record: rc=%d\n", rc); | |
5091 | return; | |
5092 | } | |
5093 | ||
5094 | /* Now, unregister FCF record and reset HBA FCF state */ | |
5095 | rc = lpfc_sli4_unregister_fcf(phba); | |
5096 | if (rc) | |
5097 | return; | |
5098 | /* Set proper HBA FCF states after successful unregister FCF */ | |
5099 | spin_lock_irq(&phba->hbalock); | |
5100 | phba->fcf.fcf_flag &= ~FCF_REGISTERED; | |
5101 | spin_unlock_irq(&phba->hbalock); | |
5102 | } | |
5103 | ||
5104 | /** | |
5105 | * lpfc_unregister_unused_fcf - Unregister FCF if all devices are disconnected. | |
5106 | * @phba: Pointer to hba context object. | |
5107 | * | |
5108 | * This function check if there are any connected remote port for the FCF and | |
5109 | * if all the devices are disconnected, this function unregister FCFI. | |
5110 | * This function also tries to use another FCF for discovery. | |
5111 | */ | |
5112 | void | |
5113 | lpfc_unregister_unused_fcf(struct lpfc_hba *phba) | |
5114 | { | |
5115 | /* | |
5116 | * If HBA is not running in FIP mode or if HBA does not support | |
5117 | * FCoE or if FCF is not registered, do nothing. | |
5118 | */ | |
5119 | spin_lock_irq(&phba->hbalock); | |
5120 | if (!(phba->hba_flag & HBA_FCOE_SUPPORT) || | |
5121 | !(phba->fcf.fcf_flag & FCF_REGISTERED) || | |
5122 | !(phba->hba_flag & HBA_FIP_SUPPORT)) { | |
5123 | spin_unlock_irq(&phba->hbalock); | |
5124 | return; | |
5125 | } | |
5126 | spin_unlock_irq(&phba->hbalock); | |
5127 | ||
5128 | if (lpfc_fcf_inuse(phba)) | |
5129 | return; | |
5130 | ||
5131 | lpfc_unregister_fcf_rescan(phba); | |
6fb120a7 JS |
5132 | } |
5133 | ||
5134 | /** | |
5135 | * lpfc_read_fcf_conn_tbl - Create driver FCF connection table. | |
5136 | * @phba: Pointer to hba context object. | |
5137 | * @buff: Buffer containing the FCF connection table as in the config | |
5138 | * region. | |
5139 | * This function create driver data structure for the FCF connection | |
5140 | * record table read from config region 23. | |
5141 | */ | |
5142 | static void | |
5143 | lpfc_read_fcf_conn_tbl(struct lpfc_hba *phba, | |
5144 | uint8_t *buff) | |
5145 | { | |
5146 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
5147 | struct lpfc_fcf_conn_hdr *conn_hdr; | |
5148 | struct lpfc_fcf_conn_rec *conn_rec; | |
5149 | uint32_t record_count; | |
5150 | int i; | |
5151 | ||
5152 | /* Free the current connect table */ | |
5153 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
5154 | &phba->fcf_conn_rec_list, list) { |
5155 | list_del_init(&conn_entry->list); | |
6fb120a7 | 5156 | kfree(conn_entry); |
4d9ab994 | 5157 | } |
6fb120a7 JS |
5158 | |
5159 | conn_hdr = (struct lpfc_fcf_conn_hdr *) buff; | |
5160 | record_count = conn_hdr->length * sizeof(uint32_t)/ | |
5161 | sizeof(struct lpfc_fcf_conn_rec); | |
5162 | ||
5163 | conn_rec = (struct lpfc_fcf_conn_rec *) | |
5164 | (buff + sizeof(struct lpfc_fcf_conn_hdr)); | |
5165 | ||
5166 | for (i = 0; i < record_count; i++) { | |
5167 | if (!(conn_rec[i].flags & FCFCNCT_VALID)) | |
5168 | continue; | |
5169 | conn_entry = kzalloc(sizeof(struct lpfc_fcf_conn_entry), | |
5170 | GFP_KERNEL); | |
5171 | if (!conn_entry) { | |
5172 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5173 | "2566 Failed to allocate connection" | |
5174 | " table entry\n"); | |
5175 | return; | |
5176 | } | |
5177 | ||
5178 | memcpy(&conn_entry->conn_rec, &conn_rec[i], | |
5179 | sizeof(struct lpfc_fcf_conn_rec)); | |
5180 | conn_entry->conn_rec.vlan_tag = | |
5181 | le16_to_cpu(conn_entry->conn_rec.vlan_tag) & 0xFFF; | |
5182 | conn_entry->conn_rec.flags = | |
5183 | le16_to_cpu(conn_entry->conn_rec.flags); | |
5184 | list_add_tail(&conn_entry->list, | |
5185 | &phba->fcf_conn_rec_list); | |
5186 | } | |
5187 | } | |
5188 | ||
5189 | /** | |
5190 | * lpfc_read_fcoe_param - Read FCoe parameters from conf region.. | |
5191 | * @phba: Pointer to hba context object. | |
5192 | * @buff: Buffer containing the FCoE parameter data structure. | |
5193 | * | |
5194 | * This function update driver data structure with config | |
5195 | * parameters read from config region 23. | |
5196 | */ | |
5197 | static void | |
5198 | lpfc_read_fcoe_param(struct lpfc_hba *phba, | |
5199 | uint8_t *buff) | |
5200 | { | |
5201 | struct lpfc_fip_param_hdr *fcoe_param_hdr; | |
5202 | struct lpfc_fcoe_params *fcoe_param; | |
5203 | ||
5204 | fcoe_param_hdr = (struct lpfc_fip_param_hdr *) | |
5205 | buff; | |
5206 | fcoe_param = (struct lpfc_fcoe_params *) | |
32b9793f | 5207 | (buff + sizeof(struct lpfc_fip_param_hdr)); |
6fb120a7 JS |
5208 | |
5209 | if ((fcoe_param_hdr->parm_version != FIPP_VERSION) || | |
5210 | (fcoe_param_hdr->length != FCOE_PARAM_LENGTH)) | |
5211 | return; | |
5212 | ||
6fb120a7 JS |
5213 | if (fcoe_param_hdr->parm_flags & FIPP_VLAN_VALID) { |
5214 | phba->valid_vlan = 1; | |
5215 | phba->vlan_id = le16_to_cpu(fcoe_param->vlan_tag) & | |
5216 | 0xFFF; | |
5217 | } | |
5218 | ||
5219 | phba->fc_map[0] = fcoe_param->fc_map[0]; | |
5220 | phba->fc_map[1] = fcoe_param->fc_map[1]; | |
5221 | phba->fc_map[2] = fcoe_param->fc_map[2]; | |
5222 | return; | |
5223 | } | |
5224 | ||
5225 | /** | |
5226 | * lpfc_get_rec_conf23 - Get a record type in config region data. | |
5227 | * @buff: Buffer containing config region 23 data. | |
5228 | * @size: Size of the data buffer. | |
5229 | * @rec_type: Record type to be searched. | |
5230 | * | |
5231 | * This function searches config region data to find the begining | |
5232 | * of the record specified by record_type. If record found, this | |
5233 | * function return pointer to the record else return NULL. | |
5234 | */ | |
5235 | static uint8_t * | |
5236 | lpfc_get_rec_conf23(uint8_t *buff, uint32_t size, uint8_t rec_type) | |
5237 | { | |
5238 | uint32_t offset = 0, rec_length; | |
5239 | ||
5240 | if ((buff[0] == LPFC_REGION23_LAST_REC) || | |
5241 | (size < sizeof(uint32_t))) | |
5242 | return NULL; | |
5243 | ||
5244 | rec_length = buff[offset + 1]; | |
5245 | ||
5246 | /* | |
5247 | * One TLV record has one word header and number of data words | |
5248 | * specified in the rec_length field of the record header. | |
5249 | */ | |
5250 | while ((offset + rec_length * sizeof(uint32_t) + sizeof(uint32_t)) | |
5251 | <= size) { | |
5252 | if (buff[offset] == rec_type) | |
5253 | return &buff[offset]; | |
5254 | ||
5255 | if (buff[offset] == LPFC_REGION23_LAST_REC) | |
5256 | return NULL; | |
5257 | ||
5258 | offset += rec_length * sizeof(uint32_t) + sizeof(uint32_t); | |
5259 | rec_length = buff[offset + 1]; | |
5260 | } | |
5261 | return NULL; | |
5262 | } | |
5263 | ||
5264 | /** | |
5265 | * lpfc_parse_fcoe_conf - Parse FCoE config data read from config region 23. | |
5266 | * @phba: Pointer to lpfc_hba data structure. | |
5267 | * @buff: Buffer containing config region 23 data. | |
5268 | * @size: Size of the data buffer. | |
5269 | * | |
5270 | * This fuction parse the FCoE config parameters in config region 23 and | |
5271 | * populate driver data structure with the parameters. | |
5272 | */ | |
5273 | void | |
5274 | lpfc_parse_fcoe_conf(struct lpfc_hba *phba, | |
5275 | uint8_t *buff, | |
5276 | uint32_t size) | |
5277 | { | |
5278 | uint32_t offset = 0, rec_length; | |
5279 | uint8_t *rec_ptr; | |
5280 | ||
5281 | /* | |
5282 | * If data size is less than 2 words signature and version cannot be | |
5283 | * verified. | |
5284 | */ | |
5285 | if (size < 2*sizeof(uint32_t)) | |
5286 | return; | |
5287 | ||
5288 | /* Check the region signature first */ | |
5289 | if (memcmp(buff, LPFC_REGION23_SIGNATURE, 4)) { | |
5290 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5291 | "2567 Config region 23 has bad signature\n"); | |
5292 | return; | |
5293 | } | |
5294 | ||
5295 | offset += 4; | |
5296 | ||
5297 | /* Check the data structure version */ | |
5298 | if (buff[offset] != LPFC_REGION23_VERSION) { | |
5299 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5300 | "2568 Config region 23 has bad version\n"); | |
5301 | return; | |
5302 | } | |
5303 | offset += 4; | |
5304 | ||
5305 | rec_length = buff[offset + 1]; | |
5306 | ||
5307 | /* Read FCoE param record */ | |
5308 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
5309 | size - offset, FCOE_PARAM_TYPE); | |
5310 | if (rec_ptr) | |
5311 | lpfc_read_fcoe_param(phba, rec_ptr); | |
5312 | ||
5313 | /* Read FCF connection table */ | |
5314 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
5315 | size - offset, FCOE_CONN_TBL_TYPE); | |
5316 | if (rec_ptr) | |
5317 | lpfc_read_fcf_conn_tbl(phba, rec_ptr); | |
5318 | ||
5319 | } |