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[SCSI] lpfc 8.1.11 : Fix Memory leaks
[deliverable/linux.git] / drivers / scsi / lpfc / lpfc_hbadisc.c
CommitLineData
dea3101e 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
c44ce173 3 * Fibre Channel Host Bus Adapters. *
41415862 4 * Copyright (C) 2004-2006 Emulex. All rights reserved. *
c44ce173 5 * EMULEX and SLI are trademarks of Emulex. *
dea3101e 6 * www.emulex.com *
c44ce173 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea3101e 8 * *
9 * This program is free software; you can redistribute it and/or *
c44ce173
JSEC		 10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
dea3101e 20 *******************************************************************/
21
dea3101e 22#include <linux/blkdev.h>
23#include <linux/pci.h>
24#include <linux/kthread.h>
25#include <linux/interrupt.h>
26
91886523 27#include <scsi/scsi.h>
dea3101e 28#include <scsi/scsi_device.h>
29#include <scsi/scsi_host.h>
30#include <scsi/scsi_transport_fc.h>
31
32#include "lpfc_hw.h"
33#include "lpfc_disc.h"
34#include "lpfc_sli.h"
35#include "lpfc_scsi.h"
36#include "lpfc.h"
37#include "lpfc_logmsg.h"
38#include "lpfc_crtn.h"
39
40/* AlpaArray for assignment of scsid for scan-down and bind_method */
41static uint8_t lpfcAlpaArray[] = {
42 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6,
43 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA,
44 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5,
45 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9,
46 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97,
47 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79,
48 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B,
49 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56,
50 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A,
51 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35,
52 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29,
53 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17,
54 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01
55};
56
57static void lpfc_disc_timeout_handler(struct lpfc_hba *);
58
c01f3208
JS		 59void
60lpfc_terminate_rport_io(struct fc_rport *rport)
dea3101e 61{
c01f3208
JS		 62 struct lpfc_rport_data *rdata;
63 struct lpfc_nodelist * ndlp;
64 struct lpfc_hba *phba;
dea3101e 65
c01f3208
JS		 66 rdata = rport->dd_data;
67 ndlp = rdata->pnode;
68
69 if (!ndlp) {
70 if (rport->roles & FC_RPORT_ROLE_FCP_TARGET)
71 printk(KERN_ERR "Cannot find remote node"
72 " to terminate I/O Data x%x\n",
73 rport->port_id);
dea3101e 74 return;
75 }
76
c01f3208
JS		 77 phba = ndlp->nlp_phba;
78
1a169689 79 spin_lock_irq(phba->host->host_lock);
c01f3208
JS		 80 if (ndlp->nlp_sid != NLP_NO_SID) {
81 lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
82 ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT);
83 }
84 spin_unlock_irq(phba->host->host_lock);
85
86 return;
87}
88
89/*
90 * This function will be called when dev_loss_tmo fire.
91 */
92void
93lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
94{
95 struct lpfc_rport_data *rdata;
96 struct lpfc_nodelist * ndlp;
97 uint8_t *name;
98 int warn_on = 0;
99 struct lpfc_hba *phba;
100
101 rdata = rport->dd_data;
102 ndlp = rdata->pnode;
1a169689 103
c01f3208
JS		 104 if (!ndlp) {
105 if (rport->roles & FC_RPORT_ROLE_FCP_TARGET)
106 printk(KERN_ERR "Cannot find remote node"
107 " for rport in dev_loss_tmo_callbk x%x\n",
108 rport->port_id);
109 return;
110 }
111
112 name = (uint8_t *)&ndlp->nlp_portname;
113 phba = ndlp->nlp_phba;
114
115 spin_lock_irq(phba->host->host_lock);
dea3101e 116
117 if (ndlp->nlp_sid != NLP_NO_SID) {
6e8215e4 118 warn_on = 1;
dea3101e 119 /* flush the target */
120 lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
121 ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT);
122 }
c01f3208
JS		 123 if (phba->fc_flag & FC_UNLOADING)
124 warn_on = 0;
125
dea3101e 126 spin_unlock_irq(phba->host->host_lock);
127
6e8215e4
JSEC		 128 if (warn_on) {
129 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
c01f3208 130 "%d:0203 Devloss timeout on "
488d1469
JS		 131 "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
132 "NPort x%x Data: x%x x%x x%x\n",
133 phba->brd_no,
134 *name, *(name+1), *(name+2), *(name+3),
135 *(name+4), *(name+5), *(name+6), *(name+7),
136 ndlp->nlp_DID, ndlp->nlp_flag,
6e8215e4
JSEC		 137 ndlp->nlp_state, ndlp->nlp_rpi);
138 } else {
139 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
c01f3208 140 "%d:0204 Devloss timeout on "
488d1469
JS		 141 "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
142 "NPort x%x Data: x%x x%x x%x\n",
143 phba->brd_no,
144 *name, *(name+1), *(name+2), *(name+3),
145 *(name+4), *(name+5), *(name+6), *(name+7),
146 ndlp->nlp_DID, ndlp->nlp_flag,
6e8215e4
JSEC		 147 ndlp->nlp_state, ndlp->nlp_rpi);
148 }
149
c01f3208
JS		 150 ndlp->rport = NULL;
151 rdata->pnode = NULL;
152
153 if (!(phba->fc_flag & FC_UNLOADING))
154 lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM);
155
dea3101e 156 return;
157}
158
159static void
160lpfc_work_list_done(struct lpfc_hba * phba)
161{
162 struct lpfc_work_evt *evtp = NULL;
163 struct lpfc_nodelist *ndlp;
164 int free_evt;
165
166 spin_lock_irq(phba->host->host_lock);
167 while(!list_empty(&phba->work_list)) {
168 list_remove_head((&phba->work_list), evtp, typeof(*evtp),
169 evt_listp);
170 spin_unlock_irq(phba->host->host_lock);
171 free_evt = 1;
2fe165b6 172 switch (evtp->evt) {
dea3101e 173 case LPFC_EVT_ELS_RETRY:
174 ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
175 lpfc_els_retry_delay_handler(ndlp);
176 free_evt = 0;
177 break;
178 case LPFC_EVT_ONLINE:
41415862
JW		 179 if (phba->hba_state < LPFC_LINK_DOWN)
180 *(int *)(evtp->evt_arg1) = lpfc_online(phba);
181 else
182 *(int *)(evtp->evt_arg1) = 0;
dea3101e 183 complete((struct completion *)(evtp->evt_arg2));
184 break;
185 case LPFC_EVT_OFFLINE:
41415862
JW		 186 if (phba->hba_state >= LPFC_LINK_DOWN)
187 lpfc_offline(phba);
188 lpfc_sli_brdrestart(phba);
189 *(int *)(evtp->evt_arg1) =
190 lpfc_sli_brdready(phba,HS_FFRDY | HS_MBRDY);
191 complete((struct completion *)(evtp->evt_arg2));
192 break;
193 case LPFC_EVT_WARM_START:
194 if (phba->hba_state >= LPFC_LINK_DOWN)
195 lpfc_offline(phba);
9290831f 196 lpfc_reset_barrier(phba);
41415862
JW		 197 lpfc_sli_brdreset(phba);
198 lpfc_hba_down_post(phba);
199 *(int *)(evtp->evt_arg1) =
200 lpfc_sli_brdready(phba, HS_MBRDY);
201 complete((struct completion *)(evtp->evt_arg2));
202 break;
203 case LPFC_EVT_KILL:
204 if (phba->hba_state >= LPFC_LINK_DOWN)
205 lpfc_offline(phba);
9290831f
JS		 206 *(int *)(evtp->evt_arg1)
207 = (phba->stopped) ? 0 : lpfc_sli_brdkill(phba);
dea3101e 208 complete((struct completion *)(evtp->evt_arg2));
209 break;
210 }
211 if (free_evt)
212 kfree(evtp);
213 spin_lock_irq(phba->host->host_lock);
214 }
215 spin_unlock_irq(phba->host->host_lock);
216
217}
218
219static void
220lpfc_work_done(struct lpfc_hba * phba)
221{
222 struct lpfc_sli_ring *pring;
223 int i;
224 uint32_t ha_copy;
225 uint32_t control;
226 uint32_t work_hba_events;
227
228 spin_lock_irq(phba->host->host_lock);
229 ha_copy = phba->work_ha;
230 phba->work_ha = 0;
231 work_hba_events=phba->work_hba_events;
232 spin_unlock_irq(phba->host->host_lock);
233
2fe165b6 234 if (ha_copy & HA_ERATT)
dea3101e 235 lpfc_handle_eratt(phba);
236
2fe165b6 237 if (ha_copy & HA_MBATT)
dea3101e 238 lpfc_sli_handle_mb_event(phba);
239
2fe165b6 240 if (ha_copy & HA_LATT)
dea3101e 241 lpfc_handle_latt(phba);
242
243 if (work_hba_events & WORKER_DISC_TMO)
244 lpfc_disc_timeout_handler(phba);
245
246 if (work_hba_events & WORKER_ELS_TMO)
247 lpfc_els_timeout_handler(phba);
248
249 if (work_hba_events & WORKER_MBOX_TMO)
250 lpfc_mbox_timeout_handler(phba);
251
252 if (work_hba_events & WORKER_FDMI_TMO)
253 lpfc_fdmi_tmo_handler(phba);
254
255 spin_lock_irq(phba->host->host_lock);
256 phba->work_hba_events &= ~work_hba_events;
257 spin_unlock_irq(phba->host->host_lock);
258
259 for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) {
260 pring = &phba->sli.ring[i];
261 if ((ha_copy & HA_RXATT)
262 || (pring->flag & LPFC_DEFERRED_RING_EVENT)) {
263 if (pring->flag & LPFC_STOP_IOCB_MASK) {
264 pring->flag |= LPFC_DEFERRED_RING_EVENT;
265 } else {
266 lpfc_sli_handle_slow_ring_event(phba, pring,
267 (ha_copy &
268 HA_RXMASK));
269 pring->flag &= ~LPFC_DEFERRED_RING_EVENT;
270 }
271 /*
272 * Turn on Ring interrupts
273 */
274 spin_lock_irq(phba->host->host_lock);
275 control = readl(phba->HCregaddr);
276 control |= (HC_R0INT_ENA << i);
277 writel(control, phba->HCregaddr);
278 readl(phba->HCregaddr); /* flush */
279 spin_unlock_irq(phba->host->host_lock);
280 }
281 }
282
283 lpfc_work_list_done (phba);
284
285}
286
287static int
288check_work_wait_done(struct lpfc_hba *phba) {
289
290 spin_lock_irq(phba->host->host_lock);
291 if (phba->work_ha ||
292 phba->work_hba_events ||
293 (!list_empty(&phba->work_list)) ||
294 kthread_should_stop()) {
295 spin_unlock_irq(phba->host->host_lock);
296 return 1;
297 } else {
298 spin_unlock_irq(phba->host->host_lock);
299 return 0;
300 }
301}
302
303int
304lpfc_do_work(void *p)
305{
306 struct lpfc_hba *phba = p;
307 int rc;
7259f0d0 308 DECLARE_WAIT_QUEUE_HEAD_ONSTACK(work_waitq);
dea3101e 309
310 set_user_nice(current, -20);
311 phba->work_wait = &work_waitq;
312
313 while (1) {
314
315 rc = wait_event_interruptible(work_waitq,
316 check_work_wait_done(phba));
317 BUG_ON(rc);
318
319 if (kthread_should_stop())
320 break;
321
322 lpfc_work_done(phba);
323
324 }
325 phba->work_wait = NULL;
326 return 0;
327}
328
329/*
330 * This is only called to handle FC worker events. Since this a rare
331 * occurance, we allocate a struct lpfc_work_evt structure here instead of
332 * embedding it in the IOCB.
333 */
334int
335lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2,
336 uint32_t evt)
337{
338 struct lpfc_work_evt *evtp;
339
340 /*
341 * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will
342 * be queued to worker thread for processing
343 */
344 evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL);
345 if (!evtp)
346 return 0;
347
348 evtp->evt_arg1 = arg1;
349 evtp->evt_arg2 = arg2;
350 evtp->evt = evt;
351
dea3101e 352 spin_lock_irq(phba->host->host_lock);
071fbd3d 353 list_add_tail(&evtp->evt_listp, &phba->work_list);
dea3101e 354 if (phba->work_wait)
355 wake_up(phba->work_wait);
356 spin_unlock_irq(phba->host->host_lock);
357
358 return 1;
359}
360
361int
362lpfc_linkdown(struct lpfc_hba * phba)
363{
364 struct lpfc_sli *psli;
365 struct lpfc_nodelist *ndlp, *next_ndlp;
c9f8735b 366 struct list_head *listp, *node_list[7];
dea3101e 367 LPFC_MBOXQ_t *mb;
368 int rc, i;
369
370 psli = &phba->sli;
c9f8735b 371 /* sysfs or selective reset may call this routine to clean up */
5024ab17
JW		 372 if (phba->hba_state >= LPFC_LINK_DOWN) {
373 if (phba->hba_state == LPFC_LINK_DOWN)
374 return 0;
375
c9f8735b
JW		 376 spin_lock_irq(phba->host->host_lock);
377 phba->hba_state = LPFC_LINK_DOWN;
378 spin_unlock_irq(phba->host->host_lock);
379 }
dea3101e 380
d2873e4c
JS		 381 fc_host_post_event(phba->host, fc_get_event_number(),
382 FCH_EVT_LINKDOWN, 0);
383
dea3101e 384 /* Clean up any firmware default rpi's */
385 if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
386 lpfc_unreg_did(phba, 0xffffffff, mb);
387 mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
388 if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB))
389 == MBX_NOT_FINISHED) {
390 mempool_free( mb, phba->mbox_mem_pool);
391 }
392 }
393
394 /* Cleanup any outstanding RSCN activity */
395 lpfc_els_flush_rscn(phba);
396
397 /* Cleanup any outstanding ELS commands */
398 lpfc_els_flush_cmd(phba);
399
400 /* Issue a LINK DOWN event to all nodes */
401 node_list[0] = &phba->fc_npr_list; /* MUST do this list first */
402 node_list[1] = &phba->fc_nlpmap_list;
403 node_list[2] = &phba->fc_nlpunmap_list;
404 node_list[3] = &phba->fc_prli_list;
405 node_list[4] = &phba->fc_reglogin_list;
406 node_list[5] = &phba->fc_adisc_list;
407 node_list[6] = &phba->fc_plogi_list;
408 for (i = 0; i < 7; i++) {
409 listp = node_list[i];
410 if (list_empty(listp))
411 continue;
412
413 list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
c9f8735b
JW		 414
415 rc = lpfc_disc_state_machine(phba, ndlp, NULL,
416 NLP_EVT_DEVICE_RECOVERY);
417
dea3101e 418 }
419 }
420
421 /* free any ndlp's on unused list */
422 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
423 nlp_listp) {
424 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
425 }
426
427 /* Setup myDID for link up if we are in pt2pt mode */
428 if (phba->fc_flag & FC_PT2PT) {
429 phba->fc_myDID = 0;
430 if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
431 lpfc_config_link(phba, mb);
432 mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
433 if (lpfc_sli_issue_mbox
434 (phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB))
435 == MBX_NOT_FINISHED) {
436 mempool_free( mb, phba->mbox_mem_pool);
437 }
438 }
439 spin_lock_irq(phba->host->host_lock);
440 phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI);
441 spin_unlock_irq(phba->host->host_lock);
442 }
443 spin_lock_irq(phba->host->host_lock);
444 phba->fc_flag &= ~FC_LBIT;
445 spin_unlock_irq(phba->host->host_lock);
446
447 /* Turn off discovery timer if its running */
448 lpfc_can_disctmo(phba);
449
450 /* Must process IOCBs on all rings to handle ABORTed I/Os */
2fe165b6 451 return 0;
dea3101e 452}
453
454static int
455lpfc_linkup(struct lpfc_hba * phba)
456{
457 struct lpfc_nodelist *ndlp, *next_ndlp;
c9f8735b
JW		 458 struct list_head *listp, *node_list[7];
459 int i;
dea3101e 460
d2873e4c
JS		 461 fc_host_post_event(phba->host, fc_get_event_number(),
462 FCH_EVT_LINKUP, 0);
463
dea3101e 464 spin_lock_irq(phba->host->host_lock);
465 phba->hba_state = LPFC_LINK_UP;
466 phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY |
467 FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY);
468 phba->fc_flag |= FC_NDISC_ACTIVE;
469 phba->fc_ns_retry = 0;
470 spin_unlock_irq(phba->host->host_lock);
471
472
c9f8735b
JW		 473 node_list[0] = &phba->fc_plogi_list;
474 node_list[1] = &phba->fc_adisc_list;
475 node_list[2] = &phba->fc_reglogin_list;
476 node_list[3] = &phba->fc_prli_list;
477 node_list[4] = &phba->fc_nlpunmap_list;
478 node_list[5] = &phba->fc_nlpmap_list;
479 node_list[6] = &phba->fc_npr_list;
480 for (i = 0; i < 7; i++) {
481 listp = node_list[i];
482 if (list_empty(listp))
483 continue;
484
485 list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
486 if (phba->fc_flag & FC_LBIT) {
487 if (ndlp->nlp_type & NLP_FABRIC) {
488 /* On Linkup its safe to clean up the
489 * ndlp from Fabric connections.
490 */
491 lpfc_nlp_list(phba, ndlp,
492 NLP_UNUSED_LIST);
493 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
494 /* Fail outstanding IO now since device
495 * is marked for PLOGI.
496 */
497 lpfc_unreg_rpi(phba, ndlp);
498 }
499 }
dea3101e 500 }
501 }
502
503 /* free any ndlp's on unused list */
504 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
505 nlp_listp) {
506 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
507 }
508
509 return 0;
510}
511
512/*
513 * This routine handles processing a CLEAR_LA mailbox
514 * command upon completion. It is setup in the LPFC_MBOXQ
515 * as the completion routine when the command is
516 * handed off to the SLI layer.
517 */
518void
519lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
520{
521 struct lpfc_sli *psli;
522 MAILBOX_t *mb;
523 uint32_t control;
524
525 psli = &phba->sli;
526 mb = &pmb->mb;
527 /* Since we don't do discovery right now, turn these off here */
a4bc3379 528 psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
dea3101e 529 psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
530 psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
531
532 /* Check for error */
533 if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) {
534 /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */
535 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
536 "%d:0320 CLEAR_LA mbxStatus error x%x hba "
537 "state x%x\n",
538 phba->brd_no, mb->mbxStatus, phba->hba_state);
539
540 phba->hba_state = LPFC_HBA_ERROR;
541 goto out;
542 }
543
544 if (phba->fc_flag & FC_ABORT_DISCOVERY)
545 goto out;
546
547 phba->num_disc_nodes = 0;
548 /* go thru NPR list and issue ELS PLOGIs */
549 if (phba->fc_npr_cnt) {
550 lpfc_els_disc_plogi(phba);
551 }
552
2fe165b6 553 if (!phba->num_disc_nodes) {
dea3101e 554 spin_lock_irq(phba->host->host_lock);
555 phba->fc_flag &= ~FC_NDISC_ACTIVE;
556 spin_unlock_irq(phba->host->host_lock);
557 }
558
559 phba->hba_state = LPFC_HBA_READY;
560
561out:
562 /* Device Discovery completes */
563 lpfc_printf_log(phba,
564 KERN_INFO,
565 LOG_DISCOVERY,
566 "%d:0225 Device Discovery completes\n",
567 phba->brd_no);
568
569 mempool_free( pmb, phba->mbox_mem_pool);
570
571 spin_lock_irq(phba->host->host_lock);
572 phba->fc_flag &= ~FC_ABORT_DISCOVERY;
573 if (phba->fc_flag & FC_ESTABLISH_LINK) {
574 phba->fc_flag &= ~FC_ESTABLISH_LINK;
575 }
576 spin_unlock_irq(phba->host->host_lock);
577
578 del_timer_sync(&phba->fc_estabtmo);
579
580 lpfc_can_disctmo(phba);
581
582 /* turn on Link Attention interrupts */
583 spin_lock_irq(phba->host->host_lock);
584 psli->sli_flag |= LPFC_PROCESS_LA;
585 control = readl(phba->HCregaddr);
586 control |= HC_LAINT_ENA;
587 writel(control, phba->HCregaddr);
588 readl(phba->HCregaddr); /* flush */
589 spin_unlock_irq(phba->host->host_lock);
590
591 return;
592}
593
594static void
25594c6b 595lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
dea3101e 596{
25594c6b
JW		 597 struct lpfc_sli *psli = &phba->sli;
598 int rc;
dea3101e 599
25594c6b 600 if (pmb->mb.mbxStatus)
dea3101e 601 goto out;
dea3101e 602
25594c6b
JW		 603 mempool_free(pmb, phba->mbox_mem_pool);
604
605 if (phba->fc_topology == TOPOLOGY_LOOP &&
606 phba->fc_flag & FC_PUBLIC_LOOP &&
607 !(phba->fc_flag & FC_LBIT)) {
608 /* Need to wait for FAN - use discovery timer
609 * for timeout. hba_state is identically
610 * LPFC_LOCAL_CFG_LINK while waiting for FAN
611 */
612 lpfc_set_disctmo(phba);
613 return;
dea3101e 614 }
615
25594c6b
JW		 616 /* Start discovery by sending a FLOGI. hba_state is identically
617 * LPFC_FLOGI while waiting for FLOGI cmpl
618 */
619 phba->hba_state = LPFC_FLOGI;
620 lpfc_set_disctmo(phba);
621 lpfc_initial_flogi(phba);
622 return;
dea3101e 623
624out:
25594c6b
JW		 625 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
626 "%d:0306 CONFIG_LINK mbxStatus error x%x "
627 "HBA state x%x\n",
628 phba->brd_no, pmb->mb.mbxStatus, phba->hba_state);
629
630 lpfc_linkdown(phba);
631
632 phba->hba_state = LPFC_HBA_ERROR;
633
634 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
dea3101e 635 "%d:0200 CONFIG_LINK bad hba state x%x\n",
636 phba->brd_no, phba->hba_state);
637
25594c6b
JW		 638 lpfc_clear_la(phba, pmb);
639 pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
640 rc = lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
641 if (rc == MBX_NOT_FINISHED) {
642 mempool_free(pmb, phba->mbox_mem_pool);
643 lpfc_disc_flush_list(phba);
a4bc3379 644 psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
25594c6b
JW		 645 psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
646 psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
647 phba->hba_state = LPFC_HBA_READY;
dea3101e 648 }
649 return;
650}
651
652static void
653lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
654{
655 struct lpfc_sli *psli = &phba->sli;
656 MAILBOX_t *mb = &pmb->mb;
657 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1;
658
659
660 /* Check for error */
661 if (mb->mbxStatus) {
662 /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */
663 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
664 "%d:0319 READ_SPARAM mbxStatus error x%x "
665 "hba state x%x>\n",
666 phba->brd_no, mb->mbxStatus, phba->hba_state);
667
668 lpfc_linkdown(phba);
669 phba->hba_state = LPFC_HBA_ERROR;
670 goto out;
671 }
672
673 memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt,
674 sizeof (struct serv_parm));
c3f28afa
JS		 675 if (phba->cfg_soft_wwpn)
676 u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn);
dea3101e 677 memcpy((uint8_t *) & phba->fc_nodename,
678 (uint8_t *) & phba->fc_sparam.nodeName,
679 sizeof (struct lpfc_name));
680 memcpy((uint8_t *) & phba->fc_portname,
681 (uint8_t *) & phba->fc_sparam.portName,
682 sizeof (struct lpfc_name));
683 lpfc_mbuf_free(phba, mp->virt, mp->phys);
684 kfree(mp);
685 mempool_free( pmb, phba->mbox_mem_pool);
686 return;
687
688out:
689 pmb->context1 = NULL;
690 lpfc_mbuf_free(phba, mp->virt, mp->phys);
691 kfree(mp);
692 if (phba->hba_state != LPFC_CLEAR_LA) {
693 lpfc_clear_la(phba, pmb);
694 pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
695 if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB))
696 == MBX_NOT_FINISHED) {
697 mempool_free( pmb, phba->mbox_mem_pool);
698 lpfc_disc_flush_list(phba);
a4bc3379 699 psli->ring[(psli->extra_ring)].flag &=
dea3101e 700 ~LPFC_STOP_IOCB_EVENT;
701 psli->ring[(psli->fcp_ring)].flag &=
702 ~LPFC_STOP_IOCB_EVENT;
703 psli->ring[(psli->next_ring)].flag &=
704 ~LPFC_STOP_IOCB_EVENT;
705 phba->hba_state = LPFC_HBA_READY;
706 }
707 } else {
708 mempool_free( pmb, phba->mbox_mem_pool);
709 }
710 return;
711}
712
713static void
714lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
715{
716 int i;
717 LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox;
14691150
JS		 718 struct lpfc_dmabuf *mp;
719 int rc;
720
dea3101e 721 sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
722 cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
723
724 spin_lock_irq(phba->host->host_lock);
2fe165b6 725 switch (la->UlnkSpeed) {
dea3101e 726 case LA_1GHZ_LINK:
727 phba->fc_linkspeed = LA_1GHZ_LINK;
728 break;
729 case LA_2GHZ_LINK:
730 phba->fc_linkspeed = LA_2GHZ_LINK;
731 break;
732 case LA_4GHZ_LINK:
733 phba->fc_linkspeed = LA_4GHZ_LINK;
734 break;
735 default:
736 phba->fc_linkspeed = LA_UNKNW_LINK;
737 break;
738 }
739
740 phba->fc_topology = la->topology;
741
742 if (phba->fc_topology == TOPOLOGY_LOOP) {
743 /* Get Loop Map information */
744
745 if (la->il)
746 phba->fc_flag |= FC_LBIT;
747
748 phba->fc_myDID = la->granted_AL_PA;
749 i = la->un.lilpBde64.tus.f.bdeSize;
750
751 if (i == 0) {
752 phba->alpa_map[0] = 0;
753 } else {
754 if (phba->cfg_log_verbose & LOG_LINK_EVENT) {
755 int numalpa, j, k;
756 union {
757 uint8_t pamap[16];
758 struct {
759 uint32_t wd1;
760 uint32_t wd2;
761 uint32_t wd3;
762 uint32_t wd4;
763 } pa;
764 } un;
765 numalpa = phba->alpa_map[0];
766 j = 0;
767 while (j < numalpa) {
768 memset(un.pamap, 0, 16);
769 for (k = 1; j < numalpa; k++) {
770 un.pamap[k - 1] =
771 phba->alpa_map[j + 1];
772 j++;
773 if (k == 16)
774 break;
775 }
776 /* Link Up Event ALPA map */
777 lpfc_printf_log(phba,
778 KERN_WARNING,
779 LOG_LINK_EVENT,
780 "%d:1304 Link Up Event "
781 "ALPA map Data: x%x "
782 "x%x x%x x%x\n",
783 phba->brd_no,
784 un.pa.wd1, un.pa.wd2,
785 un.pa.wd3, un.pa.wd4);
786 }
787 }
788 }
789 } else {
790 phba->fc_myDID = phba->fc_pref_DID;
791 phba->fc_flag |= FC_LBIT;
792 }
793 spin_unlock_irq(phba->host->host_lock);
794
795 lpfc_linkup(phba);
796 if (sparam_mbox) {
797 lpfc_read_sparam(phba, sparam_mbox);
798 sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
14691150 799 rc = lpfc_sli_issue_mbox(phba, sparam_mbox,
dea3101e 800 (MBX_NOWAIT | MBX_STOP_IOCB));
14691150
JS		 801 if (rc == MBX_NOT_FINISHED) {
802 mp = (struct lpfc_dmabuf *) sparam_mbox->context1;
803 lpfc_mbuf_free(phba, mp->virt, mp->phys);
804 kfree(mp);
805 mempool_free(sparam_mbox, phba->mbox_mem_pool);
806 if (cfglink_mbox)
807 mempool_free(cfglink_mbox, phba->mbox_mem_pool);
808 return;
809 }
dea3101e 810 }
811
812 if (cfglink_mbox) {
813 phba->hba_state = LPFC_LOCAL_CFG_LINK;
814 lpfc_config_link(phba, cfglink_mbox);
25594c6b 815 cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link;
14691150 816 rc = lpfc_sli_issue_mbox(phba, cfglink_mbox,
dea3101e 817 (MBX_NOWAIT | MBX_STOP_IOCB));
14691150
JS		 818 if (rc == MBX_NOT_FINISHED)
819 mempool_free(cfglink_mbox, phba->mbox_mem_pool);
dea3101e 820 }
821}
822
823static void
824lpfc_mbx_issue_link_down(struct lpfc_hba *phba) {
825 uint32_t control;
826 struct lpfc_sli *psli = &phba->sli;
827
828 lpfc_linkdown(phba);
829
830 /* turn on Link Attention interrupts - no CLEAR_LA needed */
831 spin_lock_irq(phba->host->host_lock);
832 psli->sli_flag |= LPFC_PROCESS_LA;
833 control = readl(phba->HCregaddr);
834 control |= HC_LAINT_ENA;
835 writel(control, phba->HCregaddr);
836 readl(phba->HCregaddr); /* flush */
837 spin_unlock_irq(phba->host->host_lock);
838}
839
840/*
841 * This routine handles processing a READ_LA mailbox
842 * command upon completion. It is setup in the LPFC_MBOXQ
843 * as the completion routine when the command is
844 * handed off to the SLI layer.
845 */
846void
847lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
848{
849 READ_LA_VAR *la;
850 MAILBOX_t *mb = &pmb->mb;
851 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
852
853 /* Check for error */
854 if (mb->mbxStatus) {
855 lpfc_printf_log(phba,
856 KERN_INFO,
857 LOG_LINK_EVENT,
858 "%d:1307 READ_LA mbox error x%x state x%x\n",
859 phba->brd_no,
860 mb->mbxStatus, phba->hba_state);
861 lpfc_mbx_issue_link_down(phba);
862 phba->hba_state = LPFC_HBA_ERROR;
863 goto lpfc_mbx_cmpl_read_la_free_mbuf;
864 }
865
866 la = (READ_LA_VAR *) & pmb->mb.un.varReadLA;
867
868 memcpy(&phba->alpa_map[0], mp->virt, 128);
869
c9f8735b
JW		 870 spin_lock_irq(phba->host->host_lock);
871 if (la->pb)
872 phba->fc_flag |= FC_BYPASSED_MODE;
873 else
874 phba->fc_flag &= ~FC_BYPASSED_MODE;
875 spin_unlock_irq(phba->host->host_lock);
876
dea3101e 877 if (((phba->fc_eventTag + 1) < la->eventTag) ||
878 (phba->fc_eventTag == la->eventTag)) {
879 phba->fc_stat.LinkMultiEvent++;
880 if (la->attType == AT_LINK_UP) {
881 if (phba->fc_eventTag != 0)
882 lpfc_linkdown(phba);
883 }
884 }
885
886 phba->fc_eventTag = la->eventTag;
887
888 if (la->attType == AT_LINK_UP) {
889 phba->fc_stat.LinkUp++;
890 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
891 "%d:1303 Link Up Event x%x received "
892 "Data: x%x x%x x%x x%x\n",
893 phba->brd_no, la->eventTag, phba->fc_eventTag,
894 la->granted_AL_PA, la->UlnkSpeed,
895 phba->alpa_map[0]);
896 lpfc_mbx_process_link_up(phba, la);
897 } else {
898 phba->fc_stat.LinkDown++;
899 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
900 "%d:1305 Link Down Event x%x received "
901 "Data: x%x x%x x%x\n",
902 phba->brd_no, la->eventTag, phba->fc_eventTag,
903 phba->hba_state, phba->fc_flag);
904 lpfc_mbx_issue_link_down(phba);
905 }
906
907lpfc_mbx_cmpl_read_la_free_mbuf:
908 lpfc_mbuf_free(phba, mp->virt, mp->phys);
909 kfree(mp);
910 mempool_free(pmb, phba->mbox_mem_pool);
911 return;
912}
913
914/*
915 * This routine handles processing a REG_LOGIN mailbox
916 * command upon completion. It is setup in the LPFC_MBOXQ
917 * as the completion routine when the command is
918 * handed off to the SLI layer.
919 */
920void
921lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
922{
923 struct lpfc_sli *psli;
924 MAILBOX_t *mb;
925 struct lpfc_dmabuf *mp;
926 struct lpfc_nodelist *ndlp;
927
928 psli = &phba->sli;
929 mb = &pmb->mb;
930
931 ndlp = (struct lpfc_nodelist *) pmb->context2;
932 mp = (struct lpfc_dmabuf *) (pmb->context1);
933
934 pmb->context1 = NULL;
935
936 /* Good status, call state machine */
937 lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN);
938 lpfc_mbuf_free(phba, mp->virt, mp->phys);
939 kfree(mp);
940 mempool_free( pmb, phba->mbox_mem_pool);
941
942 return;
943}
944
945/*
946 * This routine handles processing a Fabric REG_LOGIN mailbox
947 * command upon completion. It is setup in the LPFC_MBOXQ
948 * as the completion routine when the command is
949 * handed off to the SLI layer.
950 */
951void
952lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
953{
954 struct lpfc_sli *psli;
955 MAILBOX_t *mb;
956 struct lpfc_dmabuf *mp;
957 struct lpfc_nodelist *ndlp;
958 struct lpfc_nodelist *ndlp_fdmi;
959
960
961 psli = &phba->sli;
962 mb = &pmb->mb;
963
964 ndlp = (struct lpfc_nodelist *) pmb->context2;
965 mp = (struct lpfc_dmabuf *) (pmb->context1);
966
967 if (mb->mbxStatus) {
968 lpfc_mbuf_free(phba, mp->virt, mp->phys);
969 kfree(mp);
970 mempool_free( pmb, phba->mbox_mem_pool);
971 mempool_free( ndlp, phba->nlp_mem_pool);
972
973 /* FLOGI failed, so just use loop map to make discovery list */
974 lpfc_disc_list_loopmap(phba);
975
976 /* Start discovery */
977 lpfc_disc_start(phba);
978 return;
979 }
980
981 pmb->context1 = NULL;
982
dea3101e 983 ndlp->nlp_rpi = mb->un.varWords[0];
dea3101e 984 ndlp->nlp_type |= NLP_FABRIC;
985 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
986 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
987
988 if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
989 /* This NPort has been assigned an NPort_ID by the fabric as a
990 * result of the completed fabric login. Issue a State Change
991 * Registration (SCR) ELS request to the fabric controller
992 * (SCR_DID) so that this NPort gets RSCN events from the
993 * fabric.
994 */
995 lpfc_issue_els_scr(phba, SCR_DID, 0);
996
c9f8735b
JW		 997 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
998 if (!ndlp) {
999 /* Allocate a new node instance. If the pool is empty,
1000 * start the discovery process and skip the Nameserver
1001 * login process. This is attempted again later on.
1002 * Otherwise, issue a Port Login (PLOGI) to NameServer.
1003 */
1004 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC);
1005 if (!ndlp) {
1006 lpfc_disc_start(phba);
1007 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1008 kfree(mp);
1009 mempool_free( pmb, phba->mbox_mem_pool);
1010 return;
1011 } else {
1012 lpfc_nlp_init(phba, ndlp, NameServer_DID);
1013 ndlp->nlp_type |= NLP_FABRIC;
1014 }
1015 }
1016 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
1017 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
488d1469 1018 lpfc_issue_els_plogi(phba, NameServer_DID, 0);
c9f8735b
JW		 1019 if (phba->cfg_fdmi_on) {
1020 ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool,
1021 GFP_KERNEL);
1022 if (ndlp_fdmi) {
1023 lpfc_nlp_init(phba, ndlp_fdmi, FDMI_DID);
1024 ndlp_fdmi->nlp_type |= NLP_FABRIC;
1025 ndlp_fdmi->nlp_state = NLP_STE_PLOGI_ISSUE;
488d1469 1026 lpfc_issue_els_plogi(phba, FDMI_DID, 0);
dea3101e 1027 }
1028 }
1029 }
1030
1031 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1032 kfree(mp);
1033 mempool_free( pmb, phba->mbox_mem_pool);
dea3101e 1034 return;
1035}
1036
1037/*
1038 * This routine handles processing a NameServer REG_LOGIN mailbox
1039 * command upon completion. It is setup in the LPFC_MBOXQ
1040 * as the completion routine when the command is
1041 * handed off to the SLI layer.
1042 */
1043void
1044lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
1045{
1046 struct lpfc_sli *psli;
1047 MAILBOX_t *mb;
1048 struct lpfc_dmabuf *mp;
1049 struct lpfc_nodelist *ndlp;
1050
1051 psli = &phba->sli;
1052 mb = &pmb->mb;
1053
1054 ndlp = (struct lpfc_nodelist *) pmb->context2;
1055 mp = (struct lpfc_dmabuf *) (pmb->context1);
1056
1057 if (mb->mbxStatus) {
1058 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1059 kfree(mp);
1060 mempool_free( pmb, phba->mbox_mem_pool);
1061 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1062
1063 /* RegLogin failed, so just use loop map to make discovery
1064 list */
1065 lpfc_disc_list_loopmap(phba);
1066
1067 /* Start discovery */
1068 lpfc_disc_start(phba);
1069 return;
1070 }
1071
1072 pmb->context1 = NULL;
1073
dea3101e 1074 ndlp->nlp_rpi = mb->un.varWords[0];
dea3101e 1075 ndlp->nlp_type |= NLP_FABRIC;
1076 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
1077 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
1078
1079 if (phba->hba_state < LPFC_HBA_READY) {
1080 /* Link up discovery requires Fabrib registration. */
1081 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID);
1082 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN);
1083 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID);
2fb9bd8b 1084 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFF_ID);
dea3101e 1085 }
1086
1087 phba->fc_ns_retry = 0;
1088 /* Good status, issue CT Request to NameServer */
1089 if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) {
1090 /* Cannot issue NameServer Query, so finish up discovery */
1091 lpfc_disc_start(phba);
1092 }
1093
1094 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1095 kfree(mp);
1096 mempool_free( pmb, phba->mbox_mem_pool);
1097
1098 return;
1099}
1100
1101static void
1102lpfc_register_remote_port(struct lpfc_hba * phba,
1103 struct lpfc_nodelist * ndlp)
1104{
1105 struct fc_rport *rport;
1106 struct lpfc_rport_data *rdata;
1107 struct fc_rport_identifiers rport_ids;
dea3101e 1108
1109 /* Remote port has reappeared. Re-register w/ FC transport */
68ce1eb5
AM		 1110 rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
1111 rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
dea3101e 1112 rport_ids.port_id = ndlp->nlp_DID;
1113 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
dea3101e 1114
1115 ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids);
1116 if (!rport) {
1117 dev_printk(KERN_WARNING, &phba->pcidev->dev,
1118 "Warning: fc_remote_port_add failed\n");
1119 return;
1120 }
1121
1122 /* initialize static port data */
1123 rport->maxframe_size = ndlp->nlp_maxframe;
1124 rport->supported_classes = ndlp->nlp_class_sup;
dea3101e 1125 rdata = rport->dd_data;
1126 rdata->pnode = ndlp;
23dc04f1
JSEC		 1127
1128 if (ndlp->nlp_type & NLP_FCP_TARGET)
1129 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
1130 if (ndlp->nlp_type & NLP_FCP_INITIATOR)
1131 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
1132
1133
1134 if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN)
1135 fc_remote_port_rolechg(rport, rport_ids.roles);
1136
071fbd3d 1137 if ((rport->scsi_target_id != -1) &&
e17da18e 1138 (rport->scsi_target_id < LPFC_MAX_TARGET)) {
071fbd3d
JS		 1139 ndlp->nlp_sid = rport->scsi_target_id;
1140 }
19a7b4ae
JSEC		 1141
1142 return;
1143}
1144
1145static void
1146lpfc_unregister_remote_port(struct lpfc_hba * phba,
1147 struct lpfc_nodelist * ndlp)
1148{
1149 struct fc_rport *rport = ndlp->rport;
1150 struct lpfc_rport_data *rdata = rport->dd_data;
1151
c01f3208
JS		 1152 if (rport->scsi_target_id == -1) {
1153 ndlp->rport = NULL;
1154 rdata->pnode = NULL;
1155 }
1156
19a7b4ae 1157 fc_remote_port_delete(rport);
dea3101e 1158
1159 return;
1160}
1161
1162int
1163lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
1164{
1165 enum { none, unmapped, mapped } rport_add = none, rport_del = none;
1166 struct lpfc_sli *psli;
1167
1168 psli = &phba->sli;
1169 /* Sanity check to ensure we are not moving to / from the same list */
2fe165b6 1170 if ((nlp->nlp_flag & NLP_LIST_MASK) == list)
dea3101e 1171 if (list != NLP_NO_LIST)
2fe165b6 1172 return 0;
dea3101e 1173
66a9ed66 1174 spin_lock_irq(phba->host->host_lock);
2fe165b6 1175 switch (nlp->nlp_flag & NLP_LIST_MASK) {
dea3101e 1176 case NLP_NO_LIST: /* Not on any list */
1177 break;
1178 case NLP_UNUSED_LIST:
1179 phba->fc_unused_cnt--;
1180 list_del(&nlp->nlp_listp);
1181 break;
1182 case NLP_PLOGI_LIST:
1183 phba->fc_plogi_cnt--;
1184 list_del(&nlp->nlp_listp);
1185 break;
1186 case NLP_ADISC_LIST:
1187 phba->fc_adisc_cnt--;
1188 list_del(&nlp->nlp_listp);
1189 break;
1190 case NLP_REGLOGIN_LIST:
1191 phba->fc_reglogin_cnt--;
1192 list_del(&nlp->nlp_listp);
1193 break;
1194 case NLP_PRLI_LIST:
1195 phba->fc_prli_cnt--;
1196 list_del(&nlp->nlp_listp);
1197 break;
1198 case NLP_UNMAPPED_LIST:
1199 phba->fc_unmap_cnt--;
1200 list_del(&nlp->nlp_listp);
dea3101e 1201 nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID;
1202 nlp->nlp_type &= ~NLP_FC_NODE;
dea3101e 1203 phba->nport_event_cnt++;
1204 if (nlp->rport)
1205 rport_del = unmapped;
1206 break;
1207 case NLP_MAPPED_LIST:
1208 phba->fc_map_cnt--;
1209 list_del(&nlp->nlp_listp);
1210 phba->nport_event_cnt++;
1211 if (nlp->rport)
1212 rport_del = mapped;
1213 break;
1214 case NLP_NPR_LIST:
1215 phba->fc_npr_cnt--;
1216 list_del(&nlp->nlp_listp);
1217 /* Stop delay tmo if taking node off NPR list */
1218 if ((nlp->nlp_flag & NLP_DELAY_TMO) &&
1219 (list != NLP_NPR_LIST)) {
66a9ed66 1220 spin_unlock_irq(phba->host->host_lock);
fdcebe28 1221 lpfc_cancel_retry_delay_tmo(phba, nlp);
66a9ed66 1222 spin_lock_irq(phba->host->host_lock);
dea3101e 1223 }
1224 break;
1225 }
1226
dea3101e 1227 nlp->nlp_flag &= ~NLP_LIST_MASK;
dea3101e 1228
1229 /* Add NPort <did> to <num> list */
1230 lpfc_printf_log(phba,
1231 KERN_INFO,
1232 LOG_NODE,
1233 "%d:0904 Add NPort x%x to %d list Data: x%x\n",
1234 phba->brd_no,
1235 nlp->nlp_DID, list, nlp->nlp_flag);
1236
2fe165b6 1237 switch (list) {
dea3101e 1238 case NLP_NO_LIST: /* No list, just remove it */
66a9ed66 1239 spin_unlock_irq(phba->host->host_lock);
dea3101e 1240 lpfc_nlp_remove(phba, nlp);
66a9ed66 1241 spin_lock_irq(phba->host->host_lock);
8cbdc5ff
JSEC		 1242 /* as node removed - stop further transport calls */
1243 rport_del = none;
dea3101e 1244 break;
1245 case NLP_UNUSED_LIST:
dea3101e 1246 nlp->nlp_flag |= list;
dea3101e 1247 /* Put it at the end of the unused list */
1248 list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list);
1249 phba->fc_unused_cnt++;
1250 break;
1251 case NLP_PLOGI_LIST:
dea3101e 1252 nlp->nlp_flag |= list;
dea3101e 1253 /* Put it at the end of the plogi list */
1254 list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list);
1255 phba->fc_plogi_cnt++;
1256 break;
1257 case NLP_ADISC_LIST:
dea3101e 1258 nlp->nlp_flag |= list;
dea3101e 1259 /* Put it at the end of the adisc list */
1260 list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list);
1261 phba->fc_adisc_cnt++;
1262 break;
1263 case NLP_REGLOGIN_LIST:
dea3101e 1264 nlp->nlp_flag |= list;
dea3101e 1265 /* Put it at the end of the reglogin list */
1266 list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list);
1267 phba->fc_reglogin_cnt++;
1268 break;
1269 case NLP_PRLI_LIST:
dea3101e 1270 nlp->nlp_flag |= list;
dea3101e 1271 /* Put it at the end of the prli list */
1272 list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list);
1273 phba->fc_prli_cnt++;
1274 break;
1275 case NLP_UNMAPPED_LIST:
1276 rport_add = unmapped;
1277 /* ensure all vestiges of "mapped" significance are gone */
1278 nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
dea3101e 1279 nlp->nlp_flag |= list;
dea3101e 1280 /* Put it at the end of the unmap list */
1281 list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list);
1282 phba->fc_unmap_cnt++;
1283 phba->nport_event_cnt++;
a0f9b48d 1284 nlp->nlp_flag &= ~NLP_NODEV_REMOVE;
dea3101e 1285 nlp->nlp_type |= NLP_FC_NODE;
1286 break;
1287 case NLP_MAPPED_LIST:
1288 rport_add = mapped;
dea3101e 1289 nlp->nlp_flag |= list;
dea3101e 1290 /* Put it at the end of the map list */
1291 list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list);
1292 phba->fc_map_cnt++;
1293 phba->nport_event_cnt++;
a0f9b48d 1294 nlp->nlp_flag &= ~NLP_NODEV_REMOVE;
dea3101e 1295 break;
1296 case NLP_NPR_LIST:
dea3101e 1297 nlp->nlp_flag |= list;
dea3101e 1298 /* Put it at the end of the npr list */
1299 list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list);
1300 phba->fc_npr_cnt++;
1301
dea3101e 1302 nlp->nlp_flag &= ~NLP_RCV_PLOGI;
dea3101e 1303 break;
1304 case NLP_JUST_DQ:
1305 break;
1306 }
1307
66a9ed66
JW		 1308 spin_unlock_irq(phba->host->host_lock);
1309
dea3101e 1310 /*
1311 * We make all the calls into the transport after we have
1312 * moved the node between lists. This so that we don't
1313 * release the lock while in-between lists.
1314 */
1315
1316 /* Don't upcall midlayer if we're unloading */
1317 if (!(phba->fc_flag & FC_UNLOADING)) {
1318 /*
1319 * We revalidate the rport pointer as the "add" function
1320 * may have removed the remote port.
1321 */
1322 if ((rport_del != none) && nlp->rport)
19a7b4ae 1323 lpfc_unregister_remote_port(phba, nlp);
dea3101e 1324
1325 if (rport_add != none) {
1326 /*
1327 * Tell the fc transport about the port, if we haven't
1328 * already. If we have, and it's a scsi entity, be
1329 * sure to unblock any attached scsi devices
1330 */
c01f3208
JS		 1331 if ((!nlp->rport) || (nlp->rport->port_state ==
1332 FC_PORTSTATE_BLOCKED))
dea3101e 1333 lpfc_register_remote_port(phba, nlp);
dea3101e 1334
1335 /*
1336 * if we added to Mapped list, but the remote port
1337 * registration failed or assigned a target id outside
1338 * our presentable range - move the node to the
1339 * Unmapped List
1340 */
1341 if ((rport_add == mapped) &&
1342 ((!nlp->rport) ||
1343 (nlp->rport->scsi_target_id == -1) ||
e17da18e 1344 (nlp->rport->scsi_target_id >= LPFC_MAX_TARGET))) {
dea3101e 1345 nlp->nlp_state = NLP_STE_UNMAPPED_NODE;
1346 spin_lock_irq(phba->host->host_lock);
1347 nlp->nlp_flag |= NLP_TGT_NO_SCSIID;
1348 spin_unlock_irq(phba->host->host_lock);
1349 lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST);
1350 }
1351 }
1352 }
2fe165b6 1353 return 0;
dea3101e 1354}
1355
1356/*
1357 * Start / ReStart rescue timer for Discovery / RSCN handling
1358 */
1359void
1360lpfc_set_disctmo(struct lpfc_hba * phba)
1361{
1362 uint32_t tmo;
1363
c9f8735b
JW		 1364 if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
1365 /* For FAN, timeout should be greater then edtov */
1366 tmo = (((phba->fc_edtov + 999) / 1000) + 1);
1367 } else {
1368 /* Normal discovery timeout should be > then ELS/CT timeout
1369 * FC spec states we need 3 * ratov for CT requests
1370 */
1371 tmo = ((phba->fc_ratov * 3) + 3);
1372 }
dea3101e 1373
1374 mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo);
1375 spin_lock_irq(phba->host->host_lock);
1376 phba->fc_flag |= FC_DISC_TMO;
1377 spin_unlock_irq(phba->host->host_lock);
1378
1379 /* Start Discovery Timer state <hba_state> */
1380 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
1381 "%d:0247 Start Discovery Timer state x%x "
1382 "Data: x%x x%lx x%x x%x\n",
1383 phba->brd_no,
1384 phba->hba_state, tmo, (unsigned long)&phba->fc_disctmo,
1385 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
1386
1387 return;
1388}
1389
1390/*
1391 * Cancel rescue timer for Discovery / RSCN handling
1392 */
1393int
1394lpfc_can_disctmo(struct lpfc_hba * phba)
1395{
1396 /* Turn off discovery timer if its running */
1397 if (phba->fc_flag & FC_DISC_TMO) {
1398 spin_lock_irq(phba->host->host_lock);
1399 phba->fc_flag &= ~FC_DISC_TMO;
1400 spin_unlock_irq(phba->host->host_lock);
1401 del_timer_sync(&phba->fc_disctmo);
1402 phba->work_hba_events &= ~WORKER_DISC_TMO;
1403 }
1404
1405 /* Cancel Discovery Timer state <hba_state> */
1406 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
1407 "%d:0248 Cancel Discovery Timer state x%x "
1408 "Data: x%x x%x x%x\n",
1409 phba->brd_no, phba->hba_state, phba->fc_flag,
1410 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
1411
2fe165b6 1412 return 0;
dea3101e 1413}
1414
1415/*
1416 * Check specified ring for outstanding IOCB on the SLI queue
1417 * Return true if iocb matches the specified nport
1418 */
1419int
1420lpfc_check_sli_ndlp(struct lpfc_hba * phba,
1421 struct lpfc_sli_ring * pring,
1422 struct lpfc_iocbq * iocb, struct lpfc_nodelist * ndlp)
1423{
1424 struct lpfc_sli *psli;
1425 IOCB_t *icmd;
1426
1427 psli = &phba->sli;
1428 icmd = &iocb->iocb;
1429 if (pring->ringno == LPFC_ELS_RING) {
1430 switch (icmd->ulpCommand) {
1431 case CMD_GEN_REQUEST64_CR:
1432 if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi)
2fe165b6 1433 return 1;
dea3101e 1434 case CMD_ELS_REQUEST64_CR:
10d4e957
JS		 1435 if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID)
1436 return 1;
dea3101e 1437 case CMD_XMIT_ELS_RSP64_CX:
1438 if (iocb->context1 == (uint8_t *) ndlp)
2fe165b6 1439 return 1;
dea3101e 1440 }
a4bc3379 1441 } else if (pring->ringno == psli->extra_ring) {
dea3101e 1442
1443 } else if (pring->ringno == psli->fcp_ring) {
1444 /* Skip match check if waiting to relogin to FCP target */
1445 if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
1446 (ndlp->nlp_flag & NLP_DELAY_TMO)) {
2fe165b6 1447 return 0;
dea3101e 1448 }
1449 if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) {
2fe165b6 1450 return 1;
dea3101e 1451 }
1452 } else if (pring->ringno == psli->next_ring) {
1453
1454 }
2fe165b6 1455 return 0;
dea3101e 1456}
1457
1458/*
1459 * Free resources / clean up outstanding I/Os
1460 * associated with nlp_rpi in the LPFC_NODELIST entry.
1461 */
1462static int
1463lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1464{
1465 struct lpfc_sli *psli;
1466 struct lpfc_sli_ring *pring;
1467 struct lpfc_iocbq *iocb, *next_iocb;
1468 IOCB_t *icmd;
1469 uint32_t rpi, i;
1470
1471 /*
1472 * Everything that matches on txcmplq will be returned
1473 * by firmware with a no rpi error.
1474 */
1475 psli = &phba->sli;
1476 rpi = ndlp->nlp_rpi;
1477 if (rpi) {
1478 /* Now process each ring */
1479 for (i = 0; i < psli->num_rings; i++) {
1480 pring = &psli->ring[i];
1481
1482 spin_lock_irq(phba->host->host_lock);
1483 list_for_each_entry_safe(iocb, next_iocb, &pring->txq,
1484 list) {
1485 /*
1486 * Check to see if iocb matches the nport we are
1487 * looking for
1488 */
1489 if ((lpfc_check_sli_ndlp
1490 (phba, pring, iocb, ndlp))) {
1491 /* It matches, so deque and call compl
1492 with an error */
1493 list_del(&iocb->list);
1494 pring->txq_cnt--;
1495 if (iocb->iocb_cmpl) {
1496 icmd = &iocb->iocb;
1497 icmd->ulpStatus =
1498 IOSTAT_LOCAL_REJECT;
1499 icmd->un.ulpWord[4] =
1500 IOERR_SLI_ABORTED;
1501 spin_unlock_irq(phba->host->
1502 host_lock);
1503 (iocb->iocb_cmpl) (phba,
1504 iocb, iocb);
1505 spin_lock_irq(phba->host->
1506 host_lock);
604a3e30
JB		 1507 } else
1508 lpfc_sli_release_iocbq(phba,
1509 iocb);
dea3101e 1510 }
1511 }
1512 spin_unlock_irq(phba->host->host_lock);
1513
1514 }
1515 }
2fe165b6 1516 return 0;
dea3101e 1517}
1518
1519/*
1520 * Free rpi associated with LPFC_NODELIST entry.
1521 * This routine is called from lpfc_freenode(), when we are removing
1522 * a LPFC_NODELIST entry. It is also called if the driver initiates a
1523 * LOGO that completes successfully, and we are waiting to PLOGI back
1524 * to the remote NPort. In addition, it is called after we receive
1525 * and unsolicated ELS cmd, send back a rsp, the rsp completes and
1526 * we are waiting to PLOGI back to the remote NPort.
1527 */
1528int
1529lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1530{
1531 LPFC_MBOXQ_t *mbox;
1532 int rc;
1533
1534 if (ndlp->nlp_rpi) {
1535 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
1536 lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox);
1537 mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
1538 rc = lpfc_sli_issue_mbox
1539 (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
1540 if (rc == MBX_NOT_FINISHED)
1541 mempool_free( mbox, phba->mbox_mem_pool);
1542 }
dea3101e 1543 lpfc_no_rpi(phba, ndlp);
1544 ndlp->nlp_rpi = 0;
1545 return 1;
1546 }
1547 return 0;
1548}
1549
1550/*
1551 * Free resources associated with LPFC_NODELIST entry
1552 * so it can be freed.
1553 */
1554static int
1555lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1556{
1557 LPFC_MBOXQ_t *mb;
1558 LPFC_MBOXQ_t *nextmb;
1559 struct lpfc_dmabuf *mp;
dea3101e 1560
1561 /* Cleanup node for NPort <nlp_DID> */
1562 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1563 "%d:0900 Cleanup node for NPort x%x "
1564 "Data: x%x x%x x%x\n",
1565 phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
1566 ndlp->nlp_state, ndlp->nlp_rpi);
1567
1568 lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ);
1569
1570 /*
1571 * if unloading the driver - just leave the remote port in place.
1572 * The driver unload will force the attached devices to detach
1573 * and flush cache's w/o generating flush errors.
1574 */
1575 if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) {
19a7b4ae 1576 lpfc_unregister_remote_port(phba, ndlp);
dea3101e 1577 ndlp->nlp_sid = NLP_NO_SID;
1578 }
1579
1580 /* cleanup any ndlp on mbox q waiting for reglogin cmpl */
1581 if ((mb = phba->sli.mbox_active)) {
1582 if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
1583 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
1584 mb->context2 = NULL;
1585 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1586 }
1587 }
33ccf8d1
JS		 1588
1589 spin_lock_irq(phba->host->host_lock);
dea3101e 1590 list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
1591 if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
1592 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
1593 mp = (struct lpfc_dmabuf *) (mb->context1);
1594 if (mp) {
1595 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1596 kfree(mp);
1597 }
1598 list_del(&mb->list);
1599 mempool_free(mb, phba->mbox_mem_pool);
1600 }
1601 }
33ccf8d1 1602 spin_unlock_irq(phba->host->host_lock);
dea3101e 1603
1604 lpfc_els_abort(phba,ndlp,0);
1605 spin_lock_irq(phba->host->host_lock);
c01f3208 1606 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
dea3101e 1607 spin_unlock_irq(phba->host->host_lock);
dea3101e 1608
5024ab17 1609 ndlp->nlp_last_elscmd = 0;
dea3101e 1610 del_timer_sync(&ndlp->nlp_delayfunc);
1611
dea3101e 1612 if (!list_empty(&ndlp->els_retry_evt.evt_listp))
1613 list_del_init(&ndlp->els_retry_evt.evt_listp);
1614
1615 lpfc_unreg_rpi(phba, ndlp);
1616
2fe165b6 1617 return 0;
dea3101e 1618}
1619
1620/*
1621 * Check to see if we can free the nlp back to the freelist.
1622 * If we are in the middle of using the nlp in the discovery state
1623 * machine, defer the free till we reach the end of the state machine.
1624 */
1625int
1626lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1627{
dea3101e 1628
1629 if (ndlp->nlp_flag & NLP_DELAY_TMO) {
fdcebe28 1630 lpfc_cancel_retry_delay_tmo(phba, ndlp);
dea3101e 1631 }
1632
1633 if (ndlp->nlp_disc_refcnt) {
1634 spin_lock_irq(phba->host->host_lock);
1635 ndlp->nlp_flag |= NLP_DELAY_REMOVE;
1636 spin_unlock_irq(phba->host->host_lock);
2fe165b6 1637 } else {
dea3101e 1638 lpfc_freenode(phba, ndlp);
1639 mempool_free( ndlp, phba->nlp_mem_pool);
1640 }
2fe165b6 1641 return 0;
dea3101e 1642}
1643
1644static int
1645lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
1646{
1647 D_ID mydid;
1648 D_ID ndlpdid;
1649 D_ID matchdid;
1650
1651 if (did == Bcast_DID)
2fe165b6 1652 return 0;
dea3101e 1653
1654 if (ndlp->nlp_DID == 0) {
2fe165b6 1655 return 0;
dea3101e 1656 }
1657
1658 /* First check for Direct match */
1659 if (ndlp->nlp_DID == did)
2fe165b6 1660 return 1;
dea3101e 1661
1662 /* Next check for area/domain identically equals 0 match */
1663 mydid.un.word = phba->fc_myDID;
1664 if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) {
2fe165b6 1665 return 0;
dea3101e 1666 }
1667
1668 matchdid.un.word = did;
1669 ndlpdid.un.word = ndlp->nlp_DID;
1670 if (matchdid.un.b.id == ndlpdid.un.b.id) {
1671 if ((mydid.un.b.domain == matchdid.un.b.domain) &&
1672 (mydid.un.b.area == matchdid.un.b.area)) {
1673 if ((ndlpdid.un.b.domain == 0) &&
1674 (ndlpdid.un.b.area == 0)) {
1675 if (ndlpdid.un.b.id)
2fe165b6 1676 return 1;
dea3101e 1677 }
2fe165b6 1678 return 0;
dea3101e 1679 }
1680
1681 matchdid.un.word = ndlp->nlp_DID;
1682 if ((mydid.un.b.domain == ndlpdid.un.b.domain) &&
1683 (mydid.un.b.area == ndlpdid.un.b.area)) {
1684 if ((matchdid.un.b.domain == 0) &&
1685 (matchdid.un.b.area == 0)) {
1686 if (matchdid.un.b.id)
2fe165b6 1687 return 1;
dea3101e 1688 }
1689 }
1690 }
2fe165b6 1691 return 0;
dea3101e 1692}
1693
1694/* Search for a nodelist entry on a specific list */
1695struct lpfc_nodelist *
1696lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
1697{
2fb9bd8b
JS		 1698 struct lpfc_nodelist *ndlp;
1699 struct list_head *lists[]={&phba->fc_nlpunmap_list,
1700 &phba->fc_nlpmap_list,
1701 &phba->fc_plogi_list,
1702 &phba->fc_adisc_list,
1703 &phba->fc_reglogin_list,
1704 &phba->fc_prli_list,
1705 &phba->fc_npr_list,
1706 &phba->fc_unused_list};
1707 uint32_t search[]={NLP_SEARCH_UNMAPPED,
1708 NLP_SEARCH_MAPPED,
1709 NLP_SEARCH_PLOGI,
1710 NLP_SEARCH_ADISC,
1711 NLP_SEARCH_REGLOGIN,
1712 NLP_SEARCH_PRLI,
1713 NLP_SEARCH_NPR,
1714 NLP_SEARCH_UNUSED};
1715 int i;
dea3101e 1716 uint32_t data1;
1717
66a9ed66 1718 spin_lock_irq(phba->host->host_lock);
2fb9bd8b
JS		 1719 for (i = 0; i < ARRAY_SIZE(lists); i++ ) {
1720 if (!(order & search[i]))
1721 continue;
1722 list_for_each_entry(ndlp, lists[i], nlp_listp) {
dea3101e 1723 if (lpfc_matchdid(phba, ndlp, did)) {
dea3101e 1724 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1725 ((uint32_t) ndlp->nlp_xri << 16) |
1726 ((uint32_t) ndlp->nlp_type << 8) |
1727 ((uint32_t) ndlp->nlp_rpi & 0xff));
dea3101e 1728 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
2fb9bd8b 1729 "%d:0929 FIND node DID "
dea3101e 1730 " Data: x%p x%x x%x x%x\n",
1731 phba->brd_no,
1732 ndlp, ndlp->nlp_DID,
1733 ndlp->nlp_flag, data1);
66a9ed66 1734 spin_unlock_irq(phba->host->host_lock);
2fe165b6 1735 return ndlp;
dea3101e 1736 }
1737 }
1738 }
66a9ed66
JW		 1739 spin_unlock_irq(phba->host->host_lock);
1740
dea3101e 1741 /* FIND node did <did> NOT FOUND */
2fb9bd8b 1742 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
dea3101e 1743 "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n",
1744 phba->brd_no, did, order);
dea3101e 1745 return NULL;
1746}
1747
1748struct lpfc_nodelist *
1749lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
1750{
1751 struct lpfc_nodelist *ndlp;
1752 uint32_t flg;
1753
c9f8735b
JW		 1754 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did);
1755 if (!ndlp) {
1756 if ((phba->fc_flag & FC_RSCN_MODE) &&
dea3101e 1757 ((lpfc_rscn_payload_check(phba, did) == 0)))
1758 return NULL;
1759 ndlp = (struct lpfc_nodelist *)
1760 mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
1761 if (!ndlp)
1762 return NULL;
1763 lpfc_nlp_init(phba, ndlp, did);
1764 ndlp->nlp_state = NLP_STE_NPR_NODE;
1765 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1766 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1767 return ndlp;
1768 }
c9f8735b 1769 if (phba->fc_flag & FC_RSCN_MODE) {
dea3101e 1770 if (lpfc_rscn_payload_check(phba, did)) {
1771 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
c9f8735b
JW		 1772
1773 /* Since this node is marked for discovery,
1774 * delay timeout is not needed.
1775 */
fdcebe28
JS		 1776 if (ndlp->nlp_flag & NLP_DELAY_TMO)
1777 lpfc_cancel_retry_delay_tmo(phba, ndlp);
071fbd3d 1778 } else
dea3101e 1779 ndlp = NULL;
2fe165b6 1780 } else {
dea3101e 1781 flg = ndlp->nlp_flag & NLP_LIST_MASK;
c9f8735b 1782 if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST))
dea3101e 1783 return NULL;
dea3101e 1784 ndlp->nlp_state = NLP_STE_NPR_NODE;
1785 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1786 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1787 }
1788 return ndlp;
1789}
1790
1791/* Build a list of nodes to discover based on the loopmap */
1792void
1793lpfc_disc_list_loopmap(struct lpfc_hba * phba)
1794{
1795 int j;
1796 uint32_t alpa, index;
1797
1798 if (phba->hba_state <= LPFC_LINK_DOWN) {
1799 return;
1800 }
1801 if (phba->fc_topology != TOPOLOGY_LOOP) {
1802 return;
1803 }
1804
1805 /* Check for loop map present or not */
1806 if (phba->alpa_map[0]) {
1807 for (j = 1; j <= phba->alpa_map[0]; j++) {
1808 alpa = phba->alpa_map[j];
1809
1810 if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) {
1811 continue;
1812 }
1813 lpfc_setup_disc_node(phba, alpa);
1814 }
1815 } else {
1816 /* No alpamap, so try all alpa's */
1817 for (j = 0; j < FC_MAXLOOP; j++) {
1818 /* If cfg_scan_down is set, start from highest
1819 * ALPA (0xef) to lowest (0x1).
1820 */
1821 if (phba->cfg_scan_down)
1822 index = j;
1823 else
1824 index = FC_MAXLOOP - j - 1;
1825 alpa = lpfcAlpaArray[index];
1826 if ((phba->fc_myDID & 0xff) == alpa) {
1827 continue;
1828 }
1829
1830 lpfc_setup_disc_node(phba, alpa);
1831 }
1832 }
1833 return;
1834}
1835
1836/* Start Link up / RSCN discovery on NPR list */
1837void
1838lpfc_disc_start(struct lpfc_hba * phba)
1839{
1840 struct lpfc_sli *psli;
1841 LPFC_MBOXQ_t *mbox;
1842 struct lpfc_nodelist *ndlp, *next_ndlp;
1843 uint32_t did_changed, num_sent;
1844 uint32_t clear_la_pending;
1845 int rc;
1846
1847 psli = &phba->sli;
1848
1849 if (phba->hba_state <= LPFC_LINK_DOWN) {
1850 return;
1851 }
1852 if (phba->hba_state == LPFC_CLEAR_LA)
1853 clear_la_pending = 1;
1854 else
1855 clear_la_pending = 0;
1856
1857 if (phba->hba_state < LPFC_HBA_READY) {
1858 phba->hba_state = LPFC_DISC_AUTH;
1859 }
1860 lpfc_set_disctmo(phba);
1861
1862 if (phba->fc_prevDID == phba->fc_myDID) {
1863 did_changed = 0;
1864 } else {
1865 did_changed = 1;
1866 }
1867 phba->fc_prevDID = phba->fc_myDID;
1868 phba->num_disc_nodes = 0;
1869
1870 /* Start Discovery state <hba_state> */
1871 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
1872 "%d:0202 Start Discovery hba state x%x "
1873 "Data: x%x x%x x%x\n",
1874 phba->brd_no, phba->hba_state, phba->fc_flag,
1875 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
1876
1877 /* If our did changed, we MUST do PLOGI */
1878 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1879 nlp_listp) {
1880 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
1881 if (did_changed) {
1882 spin_lock_irq(phba->host->host_lock);
1883 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1884 spin_unlock_irq(phba->host->host_lock);
1885 }
1886 }
1887 }
1888
1889 /* First do ADISCs - if any */
1890 num_sent = lpfc_els_disc_adisc(phba);
1891
1892 if (num_sent)
1893 return;
1894
1895 if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) {
1896 /* If we get here, there is nothing to ADISC */
1897 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
1898 phba->hba_state = LPFC_CLEAR_LA;
1899 lpfc_clear_la(phba, mbox);
1900 mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
1901 rc = lpfc_sli_issue_mbox(phba, mbox,
1902 (MBX_NOWAIT | MBX_STOP_IOCB));
1903 if (rc == MBX_NOT_FINISHED) {
1904 mempool_free( mbox, phba->mbox_mem_pool);
1905 lpfc_disc_flush_list(phba);
a4bc3379 1906 psli->ring[(psli->extra_ring)].flag &=
dea3101e 1907 ~LPFC_STOP_IOCB_EVENT;
1908 psli->ring[(psli->fcp_ring)].flag &=
1909 ~LPFC_STOP_IOCB_EVENT;
1910 psli->ring[(psli->next_ring)].flag &=
1911 ~LPFC_STOP_IOCB_EVENT;
1912 phba->hba_state = LPFC_HBA_READY;
1913 }
1914 }
1915 } else {
1916 /* Next do PLOGIs - if any */
1917 num_sent = lpfc_els_disc_plogi(phba);
1918
1919 if (num_sent)
1920 return;
1921
1922 if (phba->fc_flag & FC_RSCN_MODE) {
1923 /* Check to see if more RSCNs came in while we
1924 * were processing this one.
1925 */
1926 if ((phba->fc_rscn_id_cnt == 0) &&
1927 (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
1928 spin_lock_irq(phba->host->host_lock);
1929 phba->fc_flag &= ~FC_RSCN_MODE;
1930 spin_unlock_irq(phba->host->host_lock);
2fe165b6 1931 } else
dea3101e 1932 lpfc_els_handle_rscn(phba);
1933 }
1934 }
1935 return;
1936}
1937
1938/*
1939 * Ignore completion for all IOCBs on tx and txcmpl queue for ELS
1940 * ring the match the sppecified nodelist.
1941 */
1942static void
1943lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1944{
1945 struct lpfc_sli *psli;
1946 IOCB_t *icmd;
1947 struct lpfc_iocbq *iocb, *next_iocb;
1948 struct lpfc_sli_ring *pring;
1949 struct lpfc_dmabuf *mp;
1950
1951 psli = &phba->sli;
1952 pring = &psli->ring[LPFC_ELS_RING];
1953
1954 /* Error matching iocb on txq or txcmplq
1955 * First check the txq.
1956 */
1957 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
1958 if (iocb->context1 != ndlp) {
1959 continue;
1960 }
1961 icmd = &iocb->iocb;
1962 if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
1963 (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
1964
1965 list_del(&iocb->list);
1966 pring->txq_cnt--;
1967 lpfc_els_free_iocb(phba, iocb);
1968 }
1969 }
1970
1971 /* Next check the txcmplq */
1972 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
1973 if (iocb->context1 != ndlp) {
1974 continue;
1975 }
1976 icmd = &iocb->iocb;
1977 if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
1978 (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
1979
1980 iocb->iocb_cmpl = NULL;
1981 /* context2 = cmd, context2->next = rsp, context3 =
1982 bpl */
1983 if (iocb->context2) {
1984 /* Free the response IOCB before handling the
1985 command. */
1986
1987 mp = (struct lpfc_dmabuf *) (iocb->context2);
1988 mp = list_get_first(&mp->list,
1989 struct lpfc_dmabuf,
1990 list);
1991 if (mp) {
1992 /* Delay before releasing rsp buffer to
1993 * give UNREG mbox a chance to take
1994 * effect.
1995 */
1996 list_add(&mp->list,
1997 &phba->freebufList);
1998 }
1999 lpfc_mbuf_free(phba,
2000 ((struct lpfc_dmabuf *)
2001 iocb->context2)->virt,
2002 ((struct lpfc_dmabuf *)
2003 iocb->context2)->phys);
2004 kfree(iocb->context2);
2005 }
2006
2007 if (iocb->context3) {
2008 lpfc_mbuf_free(phba,
2009 ((struct lpfc_dmabuf *)
2010 iocb->context3)->virt,
2011 ((struct lpfc_dmabuf *)
2012 iocb->context3)->phys);
2013 kfree(iocb->context3);
2014 }
2015 }
2016 }
2017
2018 return;
2019}
2020
2021void
2022lpfc_disc_flush_list(struct lpfc_hba * phba)
2023{
2024 struct lpfc_nodelist *ndlp, *next_ndlp;
2025
2026 if (phba->fc_plogi_cnt) {
2027 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
2028 nlp_listp) {
2029 lpfc_free_tx(phba, ndlp);
2030 lpfc_nlp_remove(phba, ndlp);
2031 }
2032 }
2033 if (phba->fc_adisc_cnt) {
2034 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
2035 nlp_listp) {
2036 lpfc_free_tx(phba, ndlp);
2037 lpfc_nlp_remove(phba, ndlp);
2038 }
2039 }
2040 return;
2041}
2042
2043/*****************************************************************************/
2044/*
2045 * NAME: lpfc_disc_timeout
2046 *
2047 * FUNCTION: Fibre Channel driver discovery timeout routine.
2048 *
2049 * EXECUTION ENVIRONMENT: interrupt only
2050 *
2051 * CALLED FROM:
2052 * Timer function
2053 *
2054 * RETURNS:
2055 * none
2056 */
2057/*****************************************************************************/
2058void
2059lpfc_disc_timeout(unsigned long ptr)
2060{
2061 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
2062 unsigned long flags = 0;
2063
2064 if (unlikely(!phba))
2065 return;
2066
2067 spin_lock_irqsave(phba->host->host_lock, flags);
2068 if (!(phba->work_hba_events & WORKER_DISC_TMO)) {
2069 phba->work_hba_events |= WORKER_DISC_TMO;
2070 if (phba->work_wait)
2071 wake_up(phba->work_wait);
2072 }
2073 spin_unlock_irqrestore(phba->host->host_lock, flags);
2074 return;
2075}
2076
2077static void
2078lpfc_disc_timeout_handler(struct lpfc_hba *phba)
2079{
2080 struct lpfc_sli *psli;
c9f8735b 2081 struct lpfc_nodelist *ndlp, *next_ndlp;
dea3101e 2082 LPFC_MBOXQ_t *clearlambox, *initlinkmbox;
2083 int rc, clrlaerr = 0;
2084
2085 if (unlikely(!phba))
2086 return;
2087
2088 if (!(phba->fc_flag & FC_DISC_TMO))
2089 return;
2090
2091 psli = &phba->sli;
2092
2093 spin_lock_irq(phba->host->host_lock);
2094 phba->fc_flag &= ~FC_DISC_TMO;
2095 spin_unlock_irq(phba->host->host_lock);
2096
2097 switch (phba->hba_state) {
2098
2099 case LPFC_LOCAL_CFG_LINK:
2100 /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */
2101 /* FAN timeout */
2102 lpfc_printf_log(phba,
2103 KERN_WARNING,
2104 LOG_DISCOVERY,
2105 "%d:0221 FAN timeout\n",
2106 phba->brd_no);
2107
c9f8735b
JW		 2108 /* Start discovery by sending FLOGI, clean up old rpis */
2109 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
2110 nlp_listp) {
2111 if (ndlp->nlp_type & NLP_FABRIC) {
2112 /* Clean up the ndlp on Fabric connections */
2113 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
2fe165b6 2114 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
c9f8735b
JW		 2115 /* Fail outstanding IO now since device
2116 * is marked for PLOGI.
2117 */
2118 lpfc_unreg_rpi(phba, ndlp);
2119 }
2120 }
dea3101e 2121 phba->hba_state = LPFC_FLOGI;
2122 lpfc_set_disctmo(phba);
2123 lpfc_initial_flogi(phba);
2124 break;
2125
2126 case LPFC_FLOGI:
2127 /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */
2128 /* Initial FLOGI timeout */
2129 lpfc_printf_log(phba,
2130 KERN_ERR,
2131 LOG_DISCOVERY,
2132 "%d:0222 Initial FLOGI timeout\n",
2133 phba->brd_no);
2134
2135 /* Assume no Fabric and go on with discovery.
2136 * Check for outstanding ELS FLOGI to abort.
2137 */
2138
2139 /* FLOGI failed, so just use loop map to make discovery list */
2140 lpfc_disc_list_loopmap(phba);
2141
2142 /* Start discovery */
2143 lpfc_disc_start(phba);
2144 break;
2145
2146 case LPFC_FABRIC_CFG_LINK:
2147 /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for
2148 NameServer login */
2149 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2150 "%d:0223 Timeout while waiting for NameServer "
2151 "login\n", phba->brd_no);
2152
2153 /* Next look for NameServer ndlp */
2154 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
2155 if (ndlp)
2156 lpfc_nlp_remove(phba, ndlp);
2157 /* Start discovery */
2158 lpfc_disc_start(phba);
2159 break;
2160
2161 case LPFC_NS_QRY:
2162 /* Check for wait for NameServer Rsp timeout */
2163 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2164 "%d:0224 NameServer Query timeout "
2165 "Data: x%x x%x\n",
2166 phba->brd_no,
2167 phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
2168
2169 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
2170 NameServer_DID);
2171 if (ndlp) {
2172 if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) {
2173 /* Try it one more time */
2174 rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT);
2175 if (rc == 0)
2176 break;
2177 }
2178 phba->fc_ns_retry = 0;
2179 }
2180
2181 /* Nothing to authenticate, so CLEAR_LA right now */
2182 clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2183 if (!clearlambox) {
2184 clrlaerr = 1;
2185 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2186 "%d:0226 Device Discovery "
2187 "completion error\n",
2188 phba->brd_no);
2189 phba->hba_state = LPFC_HBA_ERROR;
2190 break;
2191 }
2192
2193 phba->hba_state = LPFC_CLEAR_LA;
2194 lpfc_clear_la(phba, clearlambox);
2195 clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
2196 rc = lpfc_sli_issue_mbox(phba, clearlambox,
2197 (MBX_NOWAIT | MBX_STOP_IOCB));
2198 if (rc == MBX_NOT_FINISHED) {
2199 mempool_free(clearlambox, phba->mbox_mem_pool);
2200 clrlaerr = 1;
2201 break;
2202 }
2203
2204 /* Setup and issue mailbox INITIALIZE LINK command */
2205 initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2206 if (!initlinkmbox) {
2207 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
dca9479b 2208 "%d:0206 Device Discovery "
dea3101e 2209 "completion error\n",
2210 phba->brd_no);
2211 phba->hba_state = LPFC_HBA_ERROR;
2212 break;
2213 }
2214
2215 lpfc_linkdown(phba);
2216 lpfc_init_link(phba, initlinkmbox, phba->cfg_topology,
2217 phba->cfg_link_speed);
2218 initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
2219 rc = lpfc_sli_issue_mbox(phba, initlinkmbox,
2220 (MBX_NOWAIT | MBX_STOP_IOCB));
2221 if (rc == MBX_NOT_FINISHED)
2222 mempool_free(initlinkmbox, phba->mbox_mem_pool);
2223
2224 break;
2225
2226 case LPFC_DISC_AUTH:
2227 /* Node Authentication timeout */
2228 lpfc_printf_log(phba,
2229 KERN_ERR,
2230 LOG_DISCOVERY,
2231 "%d:0227 Node Authentication timeout\n",
2232 phba->brd_no);
2233 lpfc_disc_flush_list(phba);
2234 clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2235 if (!clearlambox) {
2236 clrlaerr = 1;
2237 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
dca9479b 2238 "%d:0207 Device Discovery "
dea3101e 2239 "completion error\n",
2240 phba->brd_no);
2241 phba->hba_state = LPFC_HBA_ERROR;
2242 break;
2243 }
2244 phba->hba_state = LPFC_CLEAR_LA;
2245 lpfc_clear_la(phba, clearlambox);
2246 clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
2247 rc = lpfc_sli_issue_mbox(phba, clearlambox,
2248 (MBX_NOWAIT | MBX_STOP_IOCB));
2249 if (rc == MBX_NOT_FINISHED) {
2250 mempool_free(clearlambox, phba->mbox_mem_pool);
2251 clrlaerr = 1;
2252 }
2253 break;
2254
2255 case LPFC_CLEAR_LA:
2256 /* CLEAR LA timeout */
2257 lpfc_printf_log(phba,
2258 KERN_ERR,
2259 LOG_DISCOVERY,
2260 "%d:0228 CLEAR LA timeout\n",
2261 phba->brd_no);
2262 clrlaerr = 1;
2263 break;
2264
2265 case LPFC_HBA_READY:
2266 if (phba->fc_flag & FC_RSCN_MODE) {
2267 lpfc_printf_log(phba,
2268 KERN_ERR,
2269 LOG_DISCOVERY,
2270 "%d:0231 RSCN timeout Data: x%x x%x\n",
2271 phba->brd_no,
2272 phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
2273
2274 /* Cleanup any outstanding ELS commands */
2275 lpfc_els_flush_cmd(phba);
2276
2277 lpfc_els_flush_rscn(phba);
2278 lpfc_disc_flush_list(phba);
2279 }
2280 break;
2281 }
2282
2283 if (clrlaerr) {
2284 lpfc_disc_flush_list(phba);
a4bc3379 2285 psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
dea3101e 2286 psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
2287 psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
2288 phba->hba_state = LPFC_HBA_READY;
2289 }
2290
2291 return;
2292}
2293
dea3101e 2294/*
2295 * This routine handles processing a NameServer REG_LOGIN mailbox
2296 * command upon completion. It is setup in the LPFC_MBOXQ
2297 * as the completion routine when the command is
2298 * handed off to the SLI layer.
2299 */
2300void
2301lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
2302{
2303 struct lpfc_sli *psli;
2304 MAILBOX_t *mb;
2305 struct lpfc_dmabuf *mp;
2306 struct lpfc_nodelist *ndlp;
2307
2308 psli = &phba->sli;
2309 mb = &pmb->mb;
2310
2311 ndlp = (struct lpfc_nodelist *) pmb->context2;
2312 mp = (struct lpfc_dmabuf *) (pmb->context1);
2313
2314 pmb->context1 = NULL;
2315
dea3101e 2316 ndlp->nlp_rpi = mb->un.varWords[0];
dea3101e 2317 ndlp->nlp_type |= NLP_FABRIC;
2318 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
2319 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
2320
2321 /* Start issuing Fabric-Device Management Interface (FDMI)
2322 * command to 0xfffffa (FDMI well known port)
2323 */
2324 if (phba->cfg_fdmi_on == 1) {
2325 lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA);
2326 } else {
2327 /*
2328 * Delay issuing FDMI command if fdmi-on=2
2329 * (supporting RPA/hostnmae)
2330 */
2331 mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60);
2332 }
2333
2334 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2335 kfree(mp);
2336 mempool_free( pmb, phba->mbox_mem_pool);
2337
2338 return;
2339}
2340
2341/*
21568f53
JSEC		 2342 * This routine looks up the ndlp lists
2343 * for the given RPI. If rpi found
dea3101e 2344 * it return the node list pointer
21568f53 2345 * else return NULL.
dea3101e 2346 */
2347struct lpfc_nodelist *
2348lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi)
2349{
21568f53
JSEC		 2350 struct lpfc_nodelist *ndlp;
2351 struct list_head * lists[]={&phba->fc_nlpunmap_list,
2352 &phba->fc_nlpmap_list,
2353 &phba->fc_plogi_list,
2354 &phba->fc_adisc_list,
2355 &phba->fc_reglogin_list};
2356 int i;
dea3101e 2357
66a9ed66 2358 spin_lock_irq(phba->host->host_lock);
21568f53
JSEC		 2359 for (i = 0; i < ARRAY_SIZE(lists); i++ )
2360 list_for_each_entry(ndlp, lists[i], nlp_listp)
66a9ed66
JW		 2361 if (ndlp->nlp_rpi == rpi) {
2362 spin_unlock_irq(phba->host->host_lock);
2fe165b6 2363 return ndlp;
66a9ed66
JW		 2364 }
2365 spin_unlock_irq(phba->host->host_lock);
21568f53 2366 return NULL;
dea3101e 2367}
2368
488d1469
JS		 2369/*
2370 * This routine looks up the ndlp lists
2371 * for the given WWPN. If WWPN found
2372 * it return the node list pointer
2373 * else return NULL.
2374 */
2375struct lpfc_nodelist *
2376lpfc_findnode_wwpn(struct lpfc_hba * phba, uint32_t order,
2377 struct lpfc_name * wwpn)
2378{
2379 struct lpfc_nodelist *ndlp;
2380 struct list_head * lists[]={&phba->fc_nlpunmap_list,
2381 &phba->fc_nlpmap_list,
2382 &phba->fc_npr_list,
2383 &phba->fc_plogi_list,
2384 &phba->fc_adisc_list,
2385 &phba->fc_reglogin_list,
2386 &phba->fc_prli_list};
2387 uint32_t search[]={NLP_SEARCH_UNMAPPED,
2388 NLP_SEARCH_MAPPED,
2389 NLP_SEARCH_NPR,
2390 NLP_SEARCH_PLOGI,
2391 NLP_SEARCH_ADISC,
2392 NLP_SEARCH_REGLOGIN,
2393 NLP_SEARCH_PRLI};
2394 int i;
2395
2396 spin_lock_irq(phba->host->host_lock);
2397 for (i = 0; i < ARRAY_SIZE(lists); i++ ) {
2398 if (!(order & search[i]))
2399 continue;
2400 list_for_each_entry(ndlp, lists[i], nlp_listp) {
2401 if (memcmp(&ndlp->nlp_portname, wwpn,
2402 sizeof(struct lpfc_name)) == 0) {
2403 spin_unlock_irq(phba->host->host_lock);
2404 return ndlp;
2405 }
2406 }
2407 }
2408 spin_unlock_irq(phba->host->host_lock);
2409 return NULL;
2410}
2411
dea3101e 2412void
2413lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
2414 uint32_t did)
2415{
2416 memset(ndlp, 0, sizeof (struct lpfc_nodelist));
dea3101e 2417 INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp);
dea3101e 2418 init_timer(&ndlp->nlp_delayfunc);
2419 ndlp->nlp_delayfunc.function = lpfc_els_retry_delay;
2420 ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
2421 ndlp->nlp_DID = did;
2422 ndlp->nlp_phba = phba;
2423 ndlp->nlp_sid = NLP_NO_SID;
2424 return;
2425}
Linux kernel - Deliverables
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