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[SCSI] lpfc 8.1.11 : Fix lpfc_multi_ring_support
[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;
718 sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
719 cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
720
721 spin_lock_irq(phba->host->host_lock);
2fe165b6 722 switch (la->UlnkSpeed) {
dea3101e 723 case LA_1GHZ_LINK:
724 phba->fc_linkspeed = LA_1GHZ_LINK;
725 break;
726 case LA_2GHZ_LINK:
727 phba->fc_linkspeed = LA_2GHZ_LINK;
728 break;
729 case LA_4GHZ_LINK:
730 phba->fc_linkspeed = LA_4GHZ_LINK;
731 break;
732 default:
733 phba->fc_linkspeed = LA_UNKNW_LINK;
734 break;
735 }
736
737 phba->fc_topology = la->topology;
738
739 if (phba->fc_topology == TOPOLOGY_LOOP) {
740 /* Get Loop Map information */
741
742 if (la->il)
743 phba->fc_flag |= FC_LBIT;
744
745 phba->fc_myDID = la->granted_AL_PA;
746 i = la->un.lilpBde64.tus.f.bdeSize;
747
748 if (i == 0) {
749 phba->alpa_map[0] = 0;
750 } else {
751 if (phba->cfg_log_verbose & LOG_LINK_EVENT) {
752 int numalpa, j, k;
753 union {
754 uint8_t pamap[16];
755 struct {
756 uint32_t wd1;
757 uint32_t wd2;
758 uint32_t wd3;
759 uint32_t wd4;
760 } pa;
761 } un;
762 numalpa = phba->alpa_map[0];
763 j = 0;
764 while (j < numalpa) {
765 memset(un.pamap, 0, 16);
766 for (k = 1; j < numalpa; k++) {
767 un.pamap[k - 1] =
768 phba->alpa_map[j + 1];
769 j++;
770 if (k == 16)
771 break;
772 }
773 /* Link Up Event ALPA map */
774 lpfc_printf_log(phba,
775 KERN_WARNING,
776 LOG_LINK_EVENT,
777 "%d:1304 Link Up Event "
778 "ALPA map Data: x%x "
779 "x%x x%x x%x\n",
780 phba->brd_no,
781 un.pa.wd1, un.pa.wd2,
782 un.pa.wd3, un.pa.wd4);
783 }
784 }
785 }
786 } else {
787 phba->fc_myDID = phba->fc_pref_DID;
788 phba->fc_flag |= FC_LBIT;
789 }
790 spin_unlock_irq(phba->host->host_lock);
791
792 lpfc_linkup(phba);
793 if (sparam_mbox) {
794 lpfc_read_sparam(phba, sparam_mbox);
795 sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
796 lpfc_sli_issue_mbox(phba, sparam_mbox,
797 (MBX_NOWAIT | MBX_STOP_IOCB));
798 }
799
800 if (cfglink_mbox) {
801 phba->hba_state = LPFC_LOCAL_CFG_LINK;
802 lpfc_config_link(phba, cfglink_mbox);
25594c6b 803 cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link;
dea3101e 804 lpfc_sli_issue_mbox(phba, cfglink_mbox,
805 (MBX_NOWAIT | MBX_STOP_IOCB));
806 }
807}
808
809static void
810lpfc_mbx_issue_link_down(struct lpfc_hba *phba) {
811 uint32_t control;
812 struct lpfc_sli *psli = &phba->sli;
813
814 lpfc_linkdown(phba);
815
816 /* turn on Link Attention interrupts - no CLEAR_LA needed */
817 spin_lock_irq(phba->host->host_lock);
818 psli->sli_flag |= LPFC_PROCESS_LA;
819 control = readl(phba->HCregaddr);
820 control |= HC_LAINT_ENA;
821 writel(control, phba->HCregaddr);
822 readl(phba->HCregaddr); /* flush */
823 spin_unlock_irq(phba->host->host_lock);
824}
825
826/*
827 * This routine handles processing a READ_LA mailbox
828 * command upon completion. It is setup in the LPFC_MBOXQ
829 * as the completion routine when the command is
830 * handed off to the SLI layer.
831 */
832void
833lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
834{
835 READ_LA_VAR *la;
836 MAILBOX_t *mb = &pmb->mb;
837 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
838
839 /* Check for error */
840 if (mb->mbxStatus) {
841 lpfc_printf_log(phba,
842 KERN_INFO,
843 LOG_LINK_EVENT,
844 "%d:1307 READ_LA mbox error x%x state x%x\n",
845 phba->brd_no,
846 mb->mbxStatus, phba->hba_state);
847 lpfc_mbx_issue_link_down(phba);
848 phba->hba_state = LPFC_HBA_ERROR;
849 goto lpfc_mbx_cmpl_read_la_free_mbuf;
850 }
851
852 la = (READ_LA_VAR *) & pmb->mb.un.varReadLA;
853
854 memcpy(&phba->alpa_map[0], mp->virt, 128);
855
c9f8735b
JW		 856 spin_lock_irq(phba->host->host_lock);
857 if (la->pb)
858 phba->fc_flag |= FC_BYPASSED_MODE;
859 else
860 phba->fc_flag &= ~FC_BYPASSED_MODE;
861 spin_unlock_irq(phba->host->host_lock);
862
dea3101e 863 if (((phba->fc_eventTag + 1) < la->eventTag) ||
864 (phba->fc_eventTag == la->eventTag)) {
865 phba->fc_stat.LinkMultiEvent++;
866 if (la->attType == AT_LINK_UP) {
867 if (phba->fc_eventTag != 0)
868 lpfc_linkdown(phba);
869 }
870 }
871
872 phba->fc_eventTag = la->eventTag;
873
874 if (la->attType == AT_LINK_UP) {
875 phba->fc_stat.LinkUp++;
876 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
877 "%d:1303 Link Up Event x%x received "
878 "Data: x%x x%x x%x x%x\n",
879 phba->brd_no, la->eventTag, phba->fc_eventTag,
880 la->granted_AL_PA, la->UlnkSpeed,
881 phba->alpa_map[0]);
882 lpfc_mbx_process_link_up(phba, la);
883 } else {
884 phba->fc_stat.LinkDown++;
885 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
886 "%d:1305 Link Down Event x%x received "
887 "Data: x%x x%x x%x\n",
888 phba->brd_no, la->eventTag, phba->fc_eventTag,
889 phba->hba_state, phba->fc_flag);
890 lpfc_mbx_issue_link_down(phba);
891 }
892
893lpfc_mbx_cmpl_read_la_free_mbuf:
894 lpfc_mbuf_free(phba, mp->virt, mp->phys);
895 kfree(mp);
896 mempool_free(pmb, phba->mbox_mem_pool);
897 return;
898}
899
900/*
901 * This routine handles processing a REG_LOGIN mailbox
902 * command upon completion. It is setup in the LPFC_MBOXQ
903 * as the completion routine when the command is
904 * handed off to the SLI layer.
905 */
906void
907lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
908{
909 struct lpfc_sli *psli;
910 MAILBOX_t *mb;
911 struct lpfc_dmabuf *mp;
912 struct lpfc_nodelist *ndlp;
913
914 psli = &phba->sli;
915 mb = &pmb->mb;
916
917 ndlp = (struct lpfc_nodelist *) pmb->context2;
918 mp = (struct lpfc_dmabuf *) (pmb->context1);
919
920 pmb->context1 = NULL;
921
922 /* Good status, call state machine */
923 lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN);
924 lpfc_mbuf_free(phba, mp->virt, mp->phys);
925 kfree(mp);
926 mempool_free( pmb, phba->mbox_mem_pool);
927
928 return;
929}
930
931/*
932 * This routine handles processing a Fabric REG_LOGIN mailbox
933 * command upon completion. It is setup in the LPFC_MBOXQ
934 * as the completion routine when the command is
935 * handed off to the SLI layer.
936 */
937void
938lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
939{
940 struct lpfc_sli *psli;
941 MAILBOX_t *mb;
942 struct lpfc_dmabuf *mp;
943 struct lpfc_nodelist *ndlp;
944 struct lpfc_nodelist *ndlp_fdmi;
945
946
947 psli = &phba->sli;
948 mb = &pmb->mb;
949
950 ndlp = (struct lpfc_nodelist *) pmb->context2;
951 mp = (struct lpfc_dmabuf *) (pmb->context1);
952
953 if (mb->mbxStatus) {
954 lpfc_mbuf_free(phba, mp->virt, mp->phys);
955 kfree(mp);
956 mempool_free( pmb, phba->mbox_mem_pool);
957 mempool_free( ndlp, phba->nlp_mem_pool);
958
959 /* FLOGI failed, so just use loop map to make discovery list */
960 lpfc_disc_list_loopmap(phba);
961
962 /* Start discovery */
963 lpfc_disc_start(phba);
964 return;
965 }
966
967 pmb->context1 = NULL;
968
dea3101e 969 ndlp->nlp_rpi = mb->un.varWords[0];
dea3101e 970 ndlp->nlp_type |= NLP_FABRIC;
971 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
972 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
973
974 if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
975 /* This NPort has been assigned an NPort_ID by the fabric as a
976 * result of the completed fabric login. Issue a State Change
977 * Registration (SCR) ELS request to the fabric controller
978 * (SCR_DID) so that this NPort gets RSCN events from the
979 * fabric.
980 */
981 lpfc_issue_els_scr(phba, SCR_DID, 0);
982
c9f8735b
JW		 983 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
984 if (!ndlp) {
985 /* Allocate a new node instance. If the pool is empty,
986 * start the discovery process and skip the Nameserver
987 * login process. This is attempted again later on.
988 * Otherwise, issue a Port Login (PLOGI) to NameServer.
989 */
990 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC);
991 if (!ndlp) {
992 lpfc_disc_start(phba);
993 lpfc_mbuf_free(phba, mp->virt, mp->phys);
994 kfree(mp);
995 mempool_free( pmb, phba->mbox_mem_pool);
996 return;
997 } else {
998 lpfc_nlp_init(phba, ndlp, NameServer_DID);
999 ndlp->nlp_type |= NLP_FABRIC;
1000 }
1001 }
1002 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
1003 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
488d1469 1004 lpfc_issue_els_plogi(phba, NameServer_DID, 0);
c9f8735b
JW		 1005 if (phba->cfg_fdmi_on) {
1006 ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool,
1007 GFP_KERNEL);
1008 if (ndlp_fdmi) {
1009 lpfc_nlp_init(phba, ndlp_fdmi, FDMI_DID);
1010 ndlp_fdmi->nlp_type |= NLP_FABRIC;
1011 ndlp_fdmi->nlp_state = NLP_STE_PLOGI_ISSUE;
488d1469 1012 lpfc_issue_els_plogi(phba, FDMI_DID, 0);
dea3101e 1013 }
1014 }
1015 }
1016
1017 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1018 kfree(mp);
1019 mempool_free( pmb, phba->mbox_mem_pool);
dea3101e 1020 return;
1021}
1022
1023/*
1024 * This routine handles processing a NameServer REG_LOGIN mailbox
1025 * command upon completion. It is setup in the LPFC_MBOXQ
1026 * as the completion routine when the command is
1027 * handed off to the SLI layer.
1028 */
1029void
1030lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
1031{
1032 struct lpfc_sli *psli;
1033 MAILBOX_t *mb;
1034 struct lpfc_dmabuf *mp;
1035 struct lpfc_nodelist *ndlp;
1036
1037 psli = &phba->sli;
1038 mb = &pmb->mb;
1039
1040 ndlp = (struct lpfc_nodelist *) pmb->context2;
1041 mp = (struct lpfc_dmabuf *) (pmb->context1);
1042
1043 if (mb->mbxStatus) {
1044 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1045 kfree(mp);
1046 mempool_free( pmb, phba->mbox_mem_pool);
1047 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1048
1049 /* RegLogin failed, so just use loop map to make discovery
1050 list */
1051 lpfc_disc_list_loopmap(phba);
1052
1053 /* Start discovery */
1054 lpfc_disc_start(phba);
1055 return;
1056 }
1057
1058 pmb->context1 = NULL;
1059
dea3101e 1060 ndlp->nlp_rpi = mb->un.varWords[0];
dea3101e 1061 ndlp->nlp_type |= NLP_FABRIC;
1062 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
1063 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
1064
1065 if (phba->hba_state < LPFC_HBA_READY) {
1066 /* Link up discovery requires Fabrib registration. */
1067 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID);
1068 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN);
1069 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID);
2fb9bd8b 1070 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFF_ID);
dea3101e 1071 }
1072
1073 phba->fc_ns_retry = 0;
1074 /* Good status, issue CT Request to NameServer */
1075 if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) {
1076 /* Cannot issue NameServer Query, so finish up discovery */
1077 lpfc_disc_start(phba);
1078 }
1079
1080 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1081 kfree(mp);
1082 mempool_free( pmb, phba->mbox_mem_pool);
1083
1084 return;
1085}
1086
1087static void
1088lpfc_register_remote_port(struct lpfc_hba * phba,
1089 struct lpfc_nodelist * ndlp)
1090{
1091 struct fc_rport *rport;
1092 struct lpfc_rport_data *rdata;
1093 struct fc_rport_identifiers rport_ids;
dea3101e 1094
1095 /* Remote port has reappeared. Re-register w/ FC transport */
68ce1eb5
AM		 1096 rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
1097 rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
dea3101e 1098 rport_ids.port_id = ndlp->nlp_DID;
1099 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
dea3101e 1100
1101 ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids);
1102 if (!rport) {
1103 dev_printk(KERN_WARNING, &phba->pcidev->dev,
1104 "Warning: fc_remote_port_add failed\n");
1105 return;
1106 }
1107
1108 /* initialize static port data */
1109 rport->maxframe_size = ndlp->nlp_maxframe;
1110 rport->supported_classes = ndlp->nlp_class_sup;
dea3101e 1111 rdata = rport->dd_data;
1112 rdata->pnode = ndlp;
23dc04f1
JSEC		 1113
1114 if (ndlp->nlp_type & NLP_FCP_TARGET)
1115 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
1116 if (ndlp->nlp_type & NLP_FCP_INITIATOR)
1117 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
1118
1119
1120 if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN)
1121 fc_remote_port_rolechg(rport, rport_ids.roles);
1122
071fbd3d 1123 if ((rport->scsi_target_id != -1) &&
e17da18e 1124 (rport->scsi_target_id < LPFC_MAX_TARGET)) {
071fbd3d
JS		 1125 ndlp->nlp_sid = rport->scsi_target_id;
1126 }
19a7b4ae
JSEC		 1127
1128 return;
1129}
1130
1131static void
1132lpfc_unregister_remote_port(struct lpfc_hba * phba,
1133 struct lpfc_nodelist * ndlp)
1134{
1135 struct fc_rport *rport = ndlp->rport;
1136 struct lpfc_rport_data *rdata = rport->dd_data;
1137
c01f3208
JS		 1138 if (rport->scsi_target_id == -1) {
1139 ndlp->rport = NULL;
1140 rdata->pnode = NULL;
1141 }
1142
19a7b4ae 1143 fc_remote_port_delete(rport);
dea3101e 1144
1145 return;
1146}
1147
1148int
1149lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
1150{
1151 enum { none, unmapped, mapped } rport_add = none, rport_del = none;
1152 struct lpfc_sli *psli;
1153
1154 psli = &phba->sli;
1155 /* Sanity check to ensure we are not moving to / from the same list */
2fe165b6 1156 if ((nlp->nlp_flag & NLP_LIST_MASK) == list)
dea3101e 1157 if (list != NLP_NO_LIST)
2fe165b6 1158 return 0;
dea3101e 1159
66a9ed66 1160 spin_lock_irq(phba->host->host_lock);
2fe165b6 1161 switch (nlp->nlp_flag & NLP_LIST_MASK) {
dea3101e 1162 case NLP_NO_LIST: /* Not on any list */
1163 break;
1164 case NLP_UNUSED_LIST:
1165 phba->fc_unused_cnt--;
1166 list_del(&nlp->nlp_listp);
1167 break;
1168 case NLP_PLOGI_LIST:
1169 phba->fc_plogi_cnt--;
1170 list_del(&nlp->nlp_listp);
1171 break;
1172 case NLP_ADISC_LIST:
1173 phba->fc_adisc_cnt--;
1174 list_del(&nlp->nlp_listp);
1175 break;
1176 case NLP_REGLOGIN_LIST:
1177 phba->fc_reglogin_cnt--;
1178 list_del(&nlp->nlp_listp);
1179 break;
1180 case NLP_PRLI_LIST:
1181 phba->fc_prli_cnt--;
1182 list_del(&nlp->nlp_listp);
1183 break;
1184 case NLP_UNMAPPED_LIST:
1185 phba->fc_unmap_cnt--;
1186 list_del(&nlp->nlp_listp);
dea3101e 1187 nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID;
1188 nlp->nlp_type &= ~NLP_FC_NODE;
dea3101e 1189 phba->nport_event_cnt++;
1190 if (nlp->rport)
1191 rport_del = unmapped;
1192 break;
1193 case NLP_MAPPED_LIST:
1194 phba->fc_map_cnt--;
1195 list_del(&nlp->nlp_listp);
1196 phba->nport_event_cnt++;
1197 if (nlp->rport)
1198 rport_del = mapped;
1199 break;
1200 case NLP_NPR_LIST:
1201 phba->fc_npr_cnt--;
1202 list_del(&nlp->nlp_listp);
1203 /* Stop delay tmo if taking node off NPR list */
1204 if ((nlp->nlp_flag & NLP_DELAY_TMO) &&
1205 (list != NLP_NPR_LIST)) {
66a9ed66 1206 spin_unlock_irq(phba->host->host_lock);
fdcebe28 1207 lpfc_cancel_retry_delay_tmo(phba, nlp);
66a9ed66 1208 spin_lock_irq(phba->host->host_lock);
dea3101e 1209 }
1210 break;
1211 }
1212
dea3101e 1213 nlp->nlp_flag &= ~NLP_LIST_MASK;
dea3101e 1214
1215 /* Add NPort <did> to <num> list */
1216 lpfc_printf_log(phba,
1217 KERN_INFO,
1218 LOG_NODE,
1219 "%d:0904 Add NPort x%x to %d list Data: x%x\n",
1220 phba->brd_no,
1221 nlp->nlp_DID, list, nlp->nlp_flag);
1222
2fe165b6 1223 switch (list) {
dea3101e 1224 case NLP_NO_LIST: /* No list, just remove it */
66a9ed66 1225 spin_unlock_irq(phba->host->host_lock);
dea3101e 1226 lpfc_nlp_remove(phba, nlp);
66a9ed66 1227 spin_lock_irq(phba->host->host_lock);
8cbdc5ff
JSEC		 1228 /* as node removed - stop further transport calls */
1229 rport_del = none;
dea3101e 1230 break;
1231 case NLP_UNUSED_LIST:
dea3101e 1232 nlp->nlp_flag |= list;
dea3101e 1233 /* Put it at the end of the unused list */
1234 list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list);
1235 phba->fc_unused_cnt++;
1236 break;
1237 case NLP_PLOGI_LIST:
dea3101e 1238 nlp->nlp_flag |= list;
dea3101e 1239 /* Put it at the end of the plogi list */
1240 list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list);
1241 phba->fc_plogi_cnt++;
1242 break;
1243 case NLP_ADISC_LIST:
dea3101e 1244 nlp->nlp_flag |= list;
dea3101e 1245 /* Put it at the end of the adisc list */
1246 list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list);
1247 phba->fc_adisc_cnt++;
1248 break;
1249 case NLP_REGLOGIN_LIST:
dea3101e 1250 nlp->nlp_flag |= list;
dea3101e 1251 /* Put it at the end of the reglogin list */
1252 list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list);
1253 phba->fc_reglogin_cnt++;
1254 break;
1255 case NLP_PRLI_LIST:
dea3101e 1256 nlp->nlp_flag |= list;
dea3101e 1257 /* Put it at the end of the prli list */
1258 list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list);
1259 phba->fc_prli_cnt++;
1260 break;
1261 case NLP_UNMAPPED_LIST:
1262 rport_add = unmapped;
1263 /* ensure all vestiges of "mapped" significance are gone */
1264 nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
dea3101e 1265 nlp->nlp_flag |= list;
dea3101e 1266 /* Put it at the end of the unmap list */
1267 list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list);
1268 phba->fc_unmap_cnt++;
1269 phba->nport_event_cnt++;
a0f9b48d 1270 nlp->nlp_flag &= ~NLP_NODEV_REMOVE;
dea3101e 1271 nlp->nlp_type |= NLP_FC_NODE;
1272 break;
1273 case NLP_MAPPED_LIST:
1274 rport_add = mapped;
dea3101e 1275 nlp->nlp_flag |= list;
dea3101e 1276 /* Put it at the end of the map list */
1277 list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list);
1278 phba->fc_map_cnt++;
1279 phba->nport_event_cnt++;
a0f9b48d 1280 nlp->nlp_flag &= ~NLP_NODEV_REMOVE;
dea3101e 1281 break;
1282 case NLP_NPR_LIST:
dea3101e 1283 nlp->nlp_flag |= list;
dea3101e 1284 /* Put it at the end of the npr list */
1285 list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list);
1286 phba->fc_npr_cnt++;
1287
dea3101e 1288 nlp->nlp_flag &= ~NLP_RCV_PLOGI;
dea3101e 1289 break;
1290 case NLP_JUST_DQ:
1291 break;
1292 }
1293
66a9ed66
JW		 1294 spin_unlock_irq(phba->host->host_lock);
1295
dea3101e 1296 /*
1297 * We make all the calls into the transport after we have
1298 * moved the node between lists. This so that we don't
1299 * release the lock while in-between lists.
1300 */
1301
1302 /* Don't upcall midlayer if we're unloading */
1303 if (!(phba->fc_flag & FC_UNLOADING)) {
1304 /*
1305 * We revalidate the rport pointer as the "add" function
1306 * may have removed the remote port.
1307 */
1308 if ((rport_del != none) && nlp->rport)
19a7b4ae 1309 lpfc_unregister_remote_port(phba, nlp);
dea3101e 1310
1311 if (rport_add != none) {
1312 /*
1313 * Tell the fc transport about the port, if we haven't
1314 * already. If we have, and it's a scsi entity, be
1315 * sure to unblock any attached scsi devices
1316 */
c01f3208
JS		 1317 if ((!nlp->rport) || (nlp->rport->port_state ==
1318 FC_PORTSTATE_BLOCKED))
dea3101e 1319 lpfc_register_remote_port(phba, nlp);
dea3101e 1320
1321 /*
1322 * if we added to Mapped list, but the remote port
1323 * registration failed or assigned a target id outside
1324 * our presentable range - move the node to the
1325 * Unmapped List
1326 */
1327 if ((rport_add == mapped) &&
1328 ((!nlp->rport) ||
1329 (nlp->rport->scsi_target_id == -1) ||
e17da18e 1330 (nlp->rport->scsi_target_id >= LPFC_MAX_TARGET))) {
dea3101e 1331 nlp->nlp_state = NLP_STE_UNMAPPED_NODE;
1332 spin_lock_irq(phba->host->host_lock);
1333 nlp->nlp_flag |= NLP_TGT_NO_SCSIID;
1334 spin_unlock_irq(phba->host->host_lock);
1335 lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST);
1336 }
1337 }
1338 }
2fe165b6 1339 return 0;
dea3101e 1340}
1341
1342/*
1343 * Start / ReStart rescue timer for Discovery / RSCN handling
1344 */
1345void
1346lpfc_set_disctmo(struct lpfc_hba * phba)
1347{
1348 uint32_t tmo;
1349
c9f8735b
JW		 1350 if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
1351 /* For FAN, timeout should be greater then edtov */
1352 tmo = (((phba->fc_edtov + 999) / 1000) + 1);
1353 } else {
1354 /* Normal discovery timeout should be > then ELS/CT timeout
1355 * FC spec states we need 3 * ratov for CT requests
1356 */
1357 tmo = ((phba->fc_ratov * 3) + 3);
1358 }
dea3101e 1359
1360 mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo);
1361 spin_lock_irq(phba->host->host_lock);
1362 phba->fc_flag |= FC_DISC_TMO;
1363 spin_unlock_irq(phba->host->host_lock);
1364
1365 /* Start Discovery Timer state <hba_state> */
1366 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
1367 "%d:0247 Start Discovery Timer state x%x "
1368 "Data: x%x x%lx x%x x%x\n",
1369 phba->brd_no,
1370 phba->hba_state, tmo, (unsigned long)&phba->fc_disctmo,
1371 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
1372
1373 return;
1374}
1375
1376/*
1377 * Cancel rescue timer for Discovery / RSCN handling
1378 */
1379int
1380lpfc_can_disctmo(struct lpfc_hba * phba)
1381{
1382 /* Turn off discovery timer if its running */
1383 if (phba->fc_flag & FC_DISC_TMO) {
1384 spin_lock_irq(phba->host->host_lock);
1385 phba->fc_flag &= ~FC_DISC_TMO;
1386 spin_unlock_irq(phba->host->host_lock);
1387 del_timer_sync(&phba->fc_disctmo);
1388 phba->work_hba_events &= ~WORKER_DISC_TMO;
1389 }
1390
1391 /* Cancel Discovery Timer state <hba_state> */
1392 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
1393 "%d:0248 Cancel Discovery Timer state x%x "
1394 "Data: x%x x%x x%x\n",
1395 phba->brd_no, phba->hba_state, phba->fc_flag,
1396 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
1397
2fe165b6 1398 return 0;
dea3101e 1399}
1400
1401/*
1402 * Check specified ring for outstanding IOCB on the SLI queue
1403 * Return true if iocb matches the specified nport
1404 */
1405int
1406lpfc_check_sli_ndlp(struct lpfc_hba * phba,
1407 struct lpfc_sli_ring * pring,
1408 struct lpfc_iocbq * iocb, struct lpfc_nodelist * ndlp)
1409{
1410 struct lpfc_sli *psli;
1411 IOCB_t *icmd;
1412
1413 psli = &phba->sli;
1414 icmd = &iocb->iocb;
1415 if (pring->ringno == LPFC_ELS_RING) {
1416 switch (icmd->ulpCommand) {
1417 case CMD_GEN_REQUEST64_CR:
1418 if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi)
2fe165b6 1419 return 1;
dea3101e 1420 case CMD_ELS_REQUEST64_CR:
10d4e957
JS		 1421 if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID)
1422 return 1;
dea3101e 1423 case CMD_XMIT_ELS_RSP64_CX:
1424 if (iocb->context1 == (uint8_t *) ndlp)
2fe165b6 1425 return 1;
dea3101e 1426 }
a4bc3379 1427 } else if (pring->ringno == psli->extra_ring) {
dea3101e 1428
1429 } else if (pring->ringno == psli->fcp_ring) {
1430 /* Skip match check if waiting to relogin to FCP target */
1431 if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
1432 (ndlp->nlp_flag & NLP_DELAY_TMO)) {
2fe165b6 1433 return 0;
dea3101e 1434 }
1435 if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) {
2fe165b6 1436 return 1;
dea3101e 1437 }
1438 } else if (pring->ringno == psli->next_ring) {
1439
1440 }
2fe165b6 1441 return 0;
dea3101e 1442}
1443
1444/*
1445 * Free resources / clean up outstanding I/Os
1446 * associated with nlp_rpi in the LPFC_NODELIST entry.
1447 */
1448static int
1449lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1450{
1451 struct lpfc_sli *psli;
1452 struct lpfc_sli_ring *pring;
1453 struct lpfc_iocbq *iocb, *next_iocb;
1454 IOCB_t *icmd;
1455 uint32_t rpi, i;
1456
1457 /*
1458 * Everything that matches on txcmplq will be returned
1459 * by firmware with a no rpi error.
1460 */
1461 psli = &phba->sli;
1462 rpi = ndlp->nlp_rpi;
1463 if (rpi) {
1464 /* Now process each ring */
1465 for (i = 0; i < psli->num_rings; i++) {
1466 pring = &psli->ring[i];
1467
1468 spin_lock_irq(phba->host->host_lock);
1469 list_for_each_entry_safe(iocb, next_iocb, &pring->txq,
1470 list) {
1471 /*
1472 * Check to see if iocb matches the nport we are
1473 * looking for
1474 */
1475 if ((lpfc_check_sli_ndlp
1476 (phba, pring, iocb, ndlp))) {
1477 /* It matches, so deque and call compl
1478 with an error */
1479 list_del(&iocb->list);
1480 pring->txq_cnt--;
1481 if (iocb->iocb_cmpl) {
1482 icmd = &iocb->iocb;
1483 icmd->ulpStatus =
1484 IOSTAT_LOCAL_REJECT;
1485 icmd->un.ulpWord[4] =
1486 IOERR_SLI_ABORTED;
1487 spin_unlock_irq(phba->host->
1488 host_lock);
1489 (iocb->iocb_cmpl) (phba,
1490 iocb, iocb);
1491 spin_lock_irq(phba->host->
1492 host_lock);
604a3e30
JB		 1493 } else
1494 lpfc_sli_release_iocbq(phba,
1495 iocb);
dea3101e 1496 }
1497 }
1498 spin_unlock_irq(phba->host->host_lock);
1499
1500 }
1501 }
2fe165b6 1502 return 0;
dea3101e 1503}
1504
1505/*
1506 * Free rpi associated with LPFC_NODELIST entry.
1507 * This routine is called from lpfc_freenode(), when we are removing
1508 * a LPFC_NODELIST entry. It is also called if the driver initiates a
1509 * LOGO that completes successfully, and we are waiting to PLOGI back
1510 * to the remote NPort. In addition, it is called after we receive
1511 * and unsolicated ELS cmd, send back a rsp, the rsp completes and
1512 * we are waiting to PLOGI back to the remote NPort.
1513 */
1514int
1515lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1516{
1517 LPFC_MBOXQ_t *mbox;
1518 int rc;
1519
1520 if (ndlp->nlp_rpi) {
1521 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
1522 lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox);
1523 mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
1524 rc = lpfc_sli_issue_mbox
1525 (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
1526 if (rc == MBX_NOT_FINISHED)
1527 mempool_free( mbox, phba->mbox_mem_pool);
1528 }
dea3101e 1529 lpfc_no_rpi(phba, ndlp);
1530 ndlp->nlp_rpi = 0;
1531 return 1;
1532 }
1533 return 0;
1534}
1535
1536/*
1537 * Free resources associated with LPFC_NODELIST entry
1538 * so it can be freed.
1539 */
1540static int
1541lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1542{
1543 LPFC_MBOXQ_t *mb;
1544 LPFC_MBOXQ_t *nextmb;
1545 struct lpfc_dmabuf *mp;
dea3101e 1546
1547 /* Cleanup node for NPort <nlp_DID> */
1548 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1549 "%d:0900 Cleanup node for NPort x%x "
1550 "Data: x%x x%x x%x\n",
1551 phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
1552 ndlp->nlp_state, ndlp->nlp_rpi);
1553
1554 lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ);
1555
1556 /*
1557 * if unloading the driver - just leave the remote port in place.
1558 * The driver unload will force the attached devices to detach
1559 * and flush cache's w/o generating flush errors.
1560 */
1561 if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) {
19a7b4ae 1562 lpfc_unregister_remote_port(phba, ndlp);
dea3101e 1563 ndlp->nlp_sid = NLP_NO_SID;
1564 }
1565
1566 /* cleanup any ndlp on mbox q waiting for reglogin cmpl */
1567 if ((mb = phba->sli.mbox_active)) {
1568 if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
1569 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
1570 mb->context2 = NULL;
1571 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1572 }
1573 }
33ccf8d1
JS		 1574
1575 spin_lock_irq(phba->host->host_lock);
dea3101e 1576 list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
1577 if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
1578 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
1579 mp = (struct lpfc_dmabuf *) (mb->context1);
1580 if (mp) {
1581 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1582 kfree(mp);
1583 }
1584 list_del(&mb->list);
1585 mempool_free(mb, phba->mbox_mem_pool);
1586 }
1587 }
33ccf8d1 1588 spin_unlock_irq(phba->host->host_lock);
dea3101e 1589
1590 lpfc_els_abort(phba,ndlp,0);
1591 spin_lock_irq(phba->host->host_lock);
c01f3208 1592 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
dea3101e 1593 spin_unlock_irq(phba->host->host_lock);
dea3101e 1594
5024ab17 1595 ndlp->nlp_last_elscmd = 0;
dea3101e 1596 del_timer_sync(&ndlp->nlp_delayfunc);
1597
dea3101e 1598 if (!list_empty(&ndlp->els_retry_evt.evt_listp))
1599 list_del_init(&ndlp->els_retry_evt.evt_listp);
1600
1601 lpfc_unreg_rpi(phba, ndlp);
1602
2fe165b6 1603 return 0;
dea3101e 1604}
1605
1606/*
1607 * Check to see if we can free the nlp back to the freelist.
1608 * If we are in the middle of using the nlp in the discovery state
1609 * machine, defer the free till we reach the end of the state machine.
1610 */
1611int
1612lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1613{
dea3101e 1614
1615 if (ndlp->nlp_flag & NLP_DELAY_TMO) {
fdcebe28 1616 lpfc_cancel_retry_delay_tmo(phba, ndlp);
dea3101e 1617 }
1618
1619 if (ndlp->nlp_disc_refcnt) {
1620 spin_lock_irq(phba->host->host_lock);
1621 ndlp->nlp_flag |= NLP_DELAY_REMOVE;
1622 spin_unlock_irq(phba->host->host_lock);
2fe165b6 1623 } else {
dea3101e 1624 lpfc_freenode(phba, ndlp);
1625 mempool_free( ndlp, phba->nlp_mem_pool);
1626 }
2fe165b6 1627 return 0;
dea3101e 1628}
1629
1630static int
1631lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
1632{
1633 D_ID mydid;
1634 D_ID ndlpdid;
1635 D_ID matchdid;
1636
1637 if (did == Bcast_DID)
2fe165b6 1638 return 0;
dea3101e 1639
1640 if (ndlp->nlp_DID == 0) {
2fe165b6 1641 return 0;
dea3101e 1642 }
1643
1644 /* First check for Direct match */
1645 if (ndlp->nlp_DID == did)
2fe165b6 1646 return 1;
dea3101e 1647
1648 /* Next check for area/domain identically equals 0 match */
1649 mydid.un.word = phba->fc_myDID;
1650 if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) {
2fe165b6 1651 return 0;
dea3101e 1652 }
1653
1654 matchdid.un.word = did;
1655 ndlpdid.un.word = ndlp->nlp_DID;
1656 if (matchdid.un.b.id == ndlpdid.un.b.id) {
1657 if ((mydid.un.b.domain == matchdid.un.b.domain) &&
1658 (mydid.un.b.area == matchdid.un.b.area)) {
1659 if ((ndlpdid.un.b.domain == 0) &&
1660 (ndlpdid.un.b.area == 0)) {
1661 if (ndlpdid.un.b.id)
2fe165b6 1662 return 1;
dea3101e 1663 }
2fe165b6 1664 return 0;
dea3101e 1665 }
1666
1667 matchdid.un.word = ndlp->nlp_DID;
1668 if ((mydid.un.b.domain == ndlpdid.un.b.domain) &&
1669 (mydid.un.b.area == ndlpdid.un.b.area)) {
1670 if ((matchdid.un.b.domain == 0) &&
1671 (matchdid.un.b.area == 0)) {
1672 if (matchdid.un.b.id)
2fe165b6 1673 return 1;
dea3101e 1674 }
1675 }
1676 }
2fe165b6 1677 return 0;
dea3101e 1678}
1679
1680/* Search for a nodelist entry on a specific list */
1681struct lpfc_nodelist *
1682lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
1683{
2fb9bd8b
JS		 1684 struct lpfc_nodelist *ndlp;
1685 struct list_head *lists[]={&phba->fc_nlpunmap_list,
1686 &phba->fc_nlpmap_list,
1687 &phba->fc_plogi_list,
1688 &phba->fc_adisc_list,
1689 &phba->fc_reglogin_list,
1690 &phba->fc_prli_list,
1691 &phba->fc_npr_list,
1692 &phba->fc_unused_list};
1693 uint32_t search[]={NLP_SEARCH_UNMAPPED,
1694 NLP_SEARCH_MAPPED,
1695 NLP_SEARCH_PLOGI,
1696 NLP_SEARCH_ADISC,
1697 NLP_SEARCH_REGLOGIN,
1698 NLP_SEARCH_PRLI,
1699 NLP_SEARCH_NPR,
1700 NLP_SEARCH_UNUSED};
1701 int i;
dea3101e 1702 uint32_t data1;
1703
66a9ed66 1704 spin_lock_irq(phba->host->host_lock);
2fb9bd8b
JS		 1705 for (i = 0; i < ARRAY_SIZE(lists); i++ ) {
1706 if (!(order & search[i]))
1707 continue;
1708 list_for_each_entry(ndlp, lists[i], nlp_listp) {
dea3101e 1709 if (lpfc_matchdid(phba, ndlp, did)) {
dea3101e 1710 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1711 ((uint32_t) ndlp->nlp_xri << 16) |
1712 ((uint32_t) ndlp->nlp_type << 8) |
1713 ((uint32_t) ndlp->nlp_rpi & 0xff));
dea3101e 1714 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
2fb9bd8b 1715 "%d:0929 FIND node DID "
dea3101e 1716 " Data: x%p x%x x%x x%x\n",
1717 phba->brd_no,
1718 ndlp, ndlp->nlp_DID,
1719 ndlp->nlp_flag, data1);
66a9ed66 1720 spin_unlock_irq(phba->host->host_lock);
2fe165b6 1721 return ndlp;
dea3101e 1722 }
1723 }
1724 }
66a9ed66
JW		 1725 spin_unlock_irq(phba->host->host_lock);
1726
dea3101e 1727 /* FIND node did <did> NOT FOUND */
2fb9bd8b 1728 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
dea3101e 1729 "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n",
1730 phba->brd_no, did, order);
dea3101e 1731 return NULL;
1732}
1733
1734struct lpfc_nodelist *
1735lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
1736{
1737 struct lpfc_nodelist *ndlp;
1738 uint32_t flg;
1739
c9f8735b
JW		 1740 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did);
1741 if (!ndlp) {
1742 if ((phba->fc_flag & FC_RSCN_MODE) &&
dea3101e 1743 ((lpfc_rscn_payload_check(phba, did) == 0)))
1744 return NULL;
1745 ndlp = (struct lpfc_nodelist *)
1746 mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
1747 if (!ndlp)
1748 return NULL;
1749 lpfc_nlp_init(phba, ndlp, did);
1750 ndlp->nlp_state = NLP_STE_NPR_NODE;
1751 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1752 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1753 return ndlp;
1754 }
c9f8735b 1755 if (phba->fc_flag & FC_RSCN_MODE) {
dea3101e 1756 if (lpfc_rscn_payload_check(phba, did)) {
1757 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
c9f8735b
JW		 1758
1759 /* Since this node is marked for discovery,
1760 * delay timeout is not needed.
1761 */
fdcebe28
JS		 1762 if (ndlp->nlp_flag & NLP_DELAY_TMO)
1763 lpfc_cancel_retry_delay_tmo(phba, ndlp);
071fbd3d 1764 } else
dea3101e 1765 ndlp = NULL;
2fe165b6 1766 } else {
dea3101e 1767 flg = ndlp->nlp_flag & NLP_LIST_MASK;
c9f8735b 1768 if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST))
dea3101e 1769 return NULL;
dea3101e 1770 ndlp->nlp_state = NLP_STE_NPR_NODE;
1771 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1772 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1773 }
1774 return ndlp;
1775}
1776
1777/* Build a list of nodes to discover based on the loopmap */
1778void
1779lpfc_disc_list_loopmap(struct lpfc_hba * phba)
1780{
1781 int j;
1782 uint32_t alpa, index;
1783
1784 if (phba->hba_state <= LPFC_LINK_DOWN) {
1785 return;
1786 }
1787 if (phba->fc_topology != TOPOLOGY_LOOP) {
1788 return;
1789 }
1790
1791 /* Check for loop map present or not */
1792 if (phba->alpa_map[0]) {
1793 for (j = 1; j <= phba->alpa_map[0]; j++) {
1794 alpa = phba->alpa_map[j];
1795
1796 if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) {
1797 continue;
1798 }
1799 lpfc_setup_disc_node(phba, alpa);
1800 }
1801 } else {
1802 /* No alpamap, so try all alpa's */
1803 for (j = 0; j < FC_MAXLOOP; j++) {
1804 /* If cfg_scan_down is set, start from highest
1805 * ALPA (0xef) to lowest (0x1).
1806 */
1807 if (phba->cfg_scan_down)
1808 index = j;
1809 else
1810 index = FC_MAXLOOP - j - 1;
1811 alpa = lpfcAlpaArray[index];
1812 if ((phba->fc_myDID & 0xff) == alpa) {
1813 continue;
1814 }
1815
1816 lpfc_setup_disc_node(phba, alpa);
1817 }
1818 }
1819 return;
1820}
1821
1822/* Start Link up / RSCN discovery on NPR list */
1823void
1824lpfc_disc_start(struct lpfc_hba * phba)
1825{
1826 struct lpfc_sli *psli;
1827 LPFC_MBOXQ_t *mbox;
1828 struct lpfc_nodelist *ndlp, *next_ndlp;
1829 uint32_t did_changed, num_sent;
1830 uint32_t clear_la_pending;
1831 int rc;
1832
1833 psli = &phba->sli;
1834
1835 if (phba->hba_state <= LPFC_LINK_DOWN) {
1836 return;
1837 }
1838 if (phba->hba_state == LPFC_CLEAR_LA)
1839 clear_la_pending = 1;
1840 else
1841 clear_la_pending = 0;
1842
1843 if (phba->hba_state < LPFC_HBA_READY) {
1844 phba->hba_state = LPFC_DISC_AUTH;
1845 }
1846 lpfc_set_disctmo(phba);
1847
1848 if (phba->fc_prevDID == phba->fc_myDID) {
1849 did_changed = 0;
1850 } else {
1851 did_changed = 1;
1852 }
1853 phba->fc_prevDID = phba->fc_myDID;
1854 phba->num_disc_nodes = 0;
1855
1856 /* Start Discovery state <hba_state> */
1857 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
1858 "%d:0202 Start Discovery hba state x%x "
1859 "Data: x%x x%x x%x\n",
1860 phba->brd_no, phba->hba_state, phba->fc_flag,
1861 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
1862
1863 /* If our did changed, we MUST do PLOGI */
1864 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1865 nlp_listp) {
1866 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
1867 if (did_changed) {
1868 spin_lock_irq(phba->host->host_lock);
1869 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1870 spin_unlock_irq(phba->host->host_lock);
1871 }
1872 }
1873 }
1874
1875 /* First do ADISCs - if any */
1876 num_sent = lpfc_els_disc_adisc(phba);
1877
1878 if (num_sent)
1879 return;
1880
1881 if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) {
1882 /* If we get here, there is nothing to ADISC */
1883 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
1884 phba->hba_state = LPFC_CLEAR_LA;
1885 lpfc_clear_la(phba, mbox);
1886 mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
1887 rc = lpfc_sli_issue_mbox(phba, mbox,
1888 (MBX_NOWAIT | MBX_STOP_IOCB));
1889 if (rc == MBX_NOT_FINISHED) {
1890 mempool_free( mbox, phba->mbox_mem_pool);
1891 lpfc_disc_flush_list(phba);
a4bc3379 1892 psli->ring[(psli->extra_ring)].flag &=
dea3101e 1893 ~LPFC_STOP_IOCB_EVENT;
1894 psli->ring[(psli->fcp_ring)].flag &=
1895 ~LPFC_STOP_IOCB_EVENT;
1896 psli->ring[(psli->next_ring)].flag &=
1897 ~LPFC_STOP_IOCB_EVENT;
1898 phba->hba_state = LPFC_HBA_READY;
1899 }
1900 }
1901 } else {
1902 /* Next do PLOGIs - if any */
1903 num_sent = lpfc_els_disc_plogi(phba);
1904
1905 if (num_sent)
1906 return;
1907
1908 if (phba->fc_flag & FC_RSCN_MODE) {
1909 /* Check to see if more RSCNs came in while we
1910 * were processing this one.
1911 */
1912 if ((phba->fc_rscn_id_cnt == 0) &&
1913 (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
1914 spin_lock_irq(phba->host->host_lock);
1915 phba->fc_flag &= ~FC_RSCN_MODE;
1916 spin_unlock_irq(phba->host->host_lock);
2fe165b6 1917 } else
dea3101e 1918 lpfc_els_handle_rscn(phba);
1919 }
1920 }
1921 return;
1922}
1923
1924/*
1925 * Ignore completion for all IOCBs on tx and txcmpl queue for ELS
1926 * ring the match the sppecified nodelist.
1927 */
1928static void
1929lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1930{
1931 struct lpfc_sli *psli;
1932 IOCB_t *icmd;
1933 struct lpfc_iocbq *iocb, *next_iocb;
1934 struct lpfc_sli_ring *pring;
1935 struct lpfc_dmabuf *mp;
1936
1937 psli = &phba->sli;
1938 pring = &psli->ring[LPFC_ELS_RING];
1939
1940 /* Error matching iocb on txq or txcmplq
1941 * First check the txq.
1942 */
1943 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
1944 if (iocb->context1 != ndlp) {
1945 continue;
1946 }
1947 icmd = &iocb->iocb;
1948 if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
1949 (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
1950
1951 list_del(&iocb->list);
1952 pring->txq_cnt--;
1953 lpfc_els_free_iocb(phba, iocb);
1954 }
1955 }
1956
1957 /* Next check the txcmplq */
1958 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
1959 if (iocb->context1 != ndlp) {
1960 continue;
1961 }
1962 icmd = &iocb->iocb;
1963 if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
1964 (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
1965
1966 iocb->iocb_cmpl = NULL;
1967 /* context2 = cmd, context2->next = rsp, context3 =
1968 bpl */
1969 if (iocb->context2) {
1970 /* Free the response IOCB before handling the
1971 command. */
1972
1973 mp = (struct lpfc_dmabuf *) (iocb->context2);
1974 mp = list_get_first(&mp->list,
1975 struct lpfc_dmabuf,
1976 list);
1977 if (mp) {
1978 /* Delay before releasing rsp buffer to
1979 * give UNREG mbox a chance to take
1980 * effect.
1981 */
1982 list_add(&mp->list,
1983 &phba->freebufList);
1984 }
1985 lpfc_mbuf_free(phba,
1986 ((struct lpfc_dmabuf *)
1987 iocb->context2)->virt,
1988 ((struct lpfc_dmabuf *)
1989 iocb->context2)->phys);
1990 kfree(iocb->context2);
1991 }
1992
1993 if (iocb->context3) {
1994 lpfc_mbuf_free(phba,
1995 ((struct lpfc_dmabuf *)
1996 iocb->context3)->virt,
1997 ((struct lpfc_dmabuf *)
1998 iocb->context3)->phys);
1999 kfree(iocb->context3);
2000 }
2001 }
2002 }
2003
2004 return;
2005}
2006
2007void
2008lpfc_disc_flush_list(struct lpfc_hba * phba)
2009{
2010 struct lpfc_nodelist *ndlp, *next_ndlp;
2011
2012 if (phba->fc_plogi_cnt) {
2013 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
2014 nlp_listp) {
2015 lpfc_free_tx(phba, ndlp);
2016 lpfc_nlp_remove(phba, ndlp);
2017 }
2018 }
2019 if (phba->fc_adisc_cnt) {
2020 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
2021 nlp_listp) {
2022 lpfc_free_tx(phba, ndlp);
2023 lpfc_nlp_remove(phba, ndlp);
2024 }
2025 }
2026 return;
2027}
2028
2029/*****************************************************************************/
2030/*
2031 * NAME: lpfc_disc_timeout
2032 *
2033 * FUNCTION: Fibre Channel driver discovery timeout routine.
2034 *
2035 * EXECUTION ENVIRONMENT: interrupt only
2036 *
2037 * CALLED FROM:
2038 * Timer function
2039 *
2040 * RETURNS:
2041 * none
2042 */
2043/*****************************************************************************/
2044void
2045lpfc_disc_timeout(unsigned long ptr)
2046{
2047 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
2048 unsigned long flags = 0;
2049
2050 if (unlikely(!phba))
2051 return;
2052
2053 spin_lock_irqsave(phba->host->host_lock, flags);
2054 if (!(phba->work_hba_events & WORKER_DISC_TMO)) {
2055 phba->work_hba_events |= WORKER_DISC_TMO;
2056 if (phba->work_wait)
2057 wake_up(phba->work_wait);
2058 }
2059 spin_unlock_irqrestore(phba->host->host_lock, flags);
2060 return;
2061}
2062
2063static void
2064lpfc_disc_timeout_handler(struct lpfc_hba *phba)
2065{
2066 struct lpfc_sli *psli;
c9f8735b 2067 struct lpfc_nodelist *ndlp, *next_ndlp;
dea3101e 2068 LPFC_MBOXQ_t *clearlambox, *initlinkmbox;
2069 int rc, clrlaerr = 0;
2070
2071 if (unlikely(!phba))
2072 return;
2073
2074 if (!(phba->fc_flag & FC_DISC_TMO))
2075 return;
2076
2077 psli = &phba->sli;
2078
2079 spin_lock_irq(phba->host->host_lock);
2080 phba->fc_flag &= ~FC_DISC_TMO;
2081 spin_unlock_irq(phba->host->host_lock);
2082
2083 switch (phba->hba_state) {
2084
2085 case LPFC_LOCAL_CFG_LINK:
2086 /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */
2087 /* FAN timeout */
2088 lpfc_printf_log(phba,
2089 KERN_WARNING,
2090 LOG_DISCOVERY,
2091 "%d:0221 FAN timeout\n",
2092 phba->brd_no);
2093
c9f8735b
JW		 2094 /* Start discovery by sending FLOGI, clean up old rpis */
2095 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
2096 nlp_listp) {
2097 if (ndlp->nlp_type & NLP_FABRIC) {
2098 /* Clean up the ndlp on Fabric connections */
2099 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
2fe165b6 2100 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
c9f8735b
JW		 2101 /* Fail outstanding IO now since device
2102 * is marked for PLOGI.
2103 */
2104 lpfc_unreg_rpi(phba, ndlp);
2105 }
2106 }
dea3101e 2107 phba->hba_state = LPFC_FLOGI;
2108 lpfc_set_disctmo(phba);
2109 lpfc_initial_flogi(phba);
2110 break;
2111
2112 case LPFC_FLOGI:
2113 /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */
2114 /* Initial FLOGI timeout */
2115 lpfc_printf_log(phba,
2116 KERN_ERR,
2117 LOG_DISCOVERY,
2118 "%d:0222 Initial FLOGI timeout\n",
2119 phba->brd_no);
2120
2121 /* Assume no Fabric and go on with discovery.
2122 * Check for outstanding ELS FLOGI to abort.
2123 */
2124
2125 /* FLOGI failed, so just use loop map to make discovery list */
2126 lpfc_disc_list_loopmap(phba);
2127
2128 /* Start discovery */
2129 lpfc_disc_start(phba);
2130 break;
2131
2132 case LPFC_FABRIC_CFG_LINK:
2133 /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for
2134 NameServer login */
2135 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2136 "%d:0223 Timeout while waiting for NameServer "
2137 "login\n", phba->brd_no);
2138
2139 /* Next look for NameServer ndlp */
2140 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
2141 if (ndlp)
2142 lpfc_nlp_remove(phba, ndlp);
2143 /* Start discovery */
2144 lpfc_disc_start(phba);
2145 break;
2146
2147 case LPFC_NS_QRY:
2148 /* Check for wait for NameServer Rsp timeout */
2149 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2150 "%d:0224 NameServer Query timeout "
2151 "Data: x%x x%x\n",
2152 phba->brd_no,
2153 phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
2154
2155 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
2156 NameServer_DID);
2157 if (ndlp) {
2158 if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) {
2159 /* Try it one more time */
2160 rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT);
2161 if (rc == 0)
2162 break;
2163 }
2164 phba->fc_ns_retry = 0;
2165 }
2166
2167 /* Nothing to authenticate, so CLEAR_LA right now */
2168 clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2169 if (!clearlambox) {
2170 clrlaerr = 1;
2171 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2172 "%d:0226 Device Discovery "
2173 "completion error\n",
2174 phba->brd_no);
2175 phba->hba_state = LPFC_HBA_ERROR;
2176 break;
2177 }
2178
2179 phba->hba_state = LPFC_CLEAR_LA;
2180 lpfc_clear_la(phba, clearlambox);
2181 clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
2182 rc = lpfc_sli_issue_mbox(phba, clearlambox,
2183 (MBX_NOWAIT | MBX_STOP_IOCB));
2184 if (rc == MBX_NOT_FINISHED) {
2185 mempool_free(clearlambox, phba->mbox_mem_pool);
2186 clrlaerr = 1;
2187 break;
2188 }
2189
2190 /* Setup and issue mailbox INITIALIZE LINK command */
2191 initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2192 if (!initlinkmbox) {
2193 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
dca9479b 2194 "%d:0206 Device Discovery "
dea3101e 2195 "completion error\n",
2196 phba->brd_no);
2197 phba->hba_state = LPFC_HBA_ERROR;
2198 break;
2199 }
2200
2201 lpfc_linkdown(phba);
2202 lpfc_init_link(phba, initlinkmbox, phba->cfg_topology,
2203 phba->cfg_link_speed);
2204 initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
2205 rc = lpfc_sli_issue_mbox(phba, initlinkmbox,
2206 (MBX_NOWAIT | MBX_STOP_IOCB));
2207 if (rc == MBX_NOT_FINISHED)
2208 mempool_free(initlinkmbox, phba->mbox_mem_pool);
2209
2210 break;
2211
2212 case LPFC_DISC_AUTH:
2213 /* Node Authentication timeout */
2214 lpfc_printf_log(phba,
2215 KERN_ERR,
2216 LOG_DISCOVERY,
2217 "%d:0227 Node Authentication timeout\n",
2218 phba->brd_no);
2219 lpfc_disc_flush_list(phba);
2220 clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2221 if (!clearlambox) {
2222 clrlaerr = 1;
2223 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
dca9479b 2224 "%d:0207 Device Discovery "
dea3101e 2225 "completion error\n",
2226 phba->brd_no);
2227 phba->hba_state = LPFC_HBA_ERROR;
2228 break;
2229 }
2230 phba->hba_state = LPFC_CLEAR_LA;
2231 lpfc_clear_la(phba, clearlambox);
2232 clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
2233 rc = lpfc_sli_issue_mbox(phba, clearlambox,
2234 (MBX_NOWAIT | MBX_STOP_IOCB));
2235 if (rc == MBX_NOT_FINISHED) {
2236 mempool_free(clearlambox, phba->mbox_mem_pool);
2237 clrlaerr = 1;
2238 }
2239 break;
2240
2241 case LPFC_CLEAR_LA:
2242 /* CLEAR LA timeout */
2243 lpfc_printf_log(phba,
2244 KERN_ERR,
2245 LOG_DISCOVERY,
2246 "%d:0228 CLEAR LA timeout\n",
2247 phba->brd_no);
2248 clrlaerr = 1;
2249 break;
2250
2251 case LPFC_HBA_READY:
2252 if (phba->fc_flag & FC_RSCN_MODE) {
2253 lpfc_printf_log(phba,
2254 KERN_ERR,
2255 LOG_DISCOVERY,
2256 "%d:0231 RSCN timeout Data: x%x x%x\n",
2257 phba->brd_no,
2258 phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
2259
2260 /* Cleanup any outstanding ELS commands */
2261 lpfc_els_flush_cmd(phba);
2262
2263 lpfc_els_flush_rscn(phba);
2264 lpfc_disc_flush_list(phba);
2265 }
2266 break;
2267 }
2268
2269 if (clrlaerr) {
2270 lpfc_disc_flush_list(phba);
a4bc3379 2271 psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
dea3101e 2272 psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
2273 psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
2274 phba->hba_state = LPFC_HBA_READY;
2275 }
2276
2277 return;
2278}
2279
dea3101e 2280/*
2281 * This routine handles processing a NameServer REG_LOGIN mailbox
2282 * command upon completion. It is setup in the LPFC_MBOXQ
2283 * as the completion routine when the command is
2284 * handed off to the SLI layer.
2285 */
2286void
2287lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
2288{
2289 struct lpfc_sli *psli;
2290 MAILBOX_t *mb;
2291 struct lpfc_dmabuf *mp;
2292 struct lpfc_nodelist *ndlp;
2293
2294 psli = &phba->sli;
2295 mb = &pmb->mb;
2296
2297 ndlp = (struct lpfc_nodelist *) pmb->context2;
2298 mp = (struct lpfc_dmabuf *) (pmb->context1);
2299
2300 pmb->context1 = NULL;
2301
dea3101e 2302 ndlp->nlp_rpi = mb->un.varWords[0];
dea3101e 2303 ndlp->nlp_type |= NLP_FABRIC;
2304 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
2305 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
2306
2307 /* Start issuing Fabric-Device Management Interface (FDMI)
2308 * command to 0xfffffa (FDMI well known port)
2309 */
2310 if (phba->cfg_fdmi_on == 1) {
2311 lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA);
2312 } else {
2313 /*
2314 * Delay issuing FDMI command if fdmi-on=2
2315 * (supporting RPA/hostnmae)
2316 */
2317 mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60);
2318 }
2319
2320 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2321 kfree(mp);
2322 mempool_free( pmb, phba->mbox_mem_pool);
2323
2324 return;
2325}
2326
2327/*
21568f53
JSEC		 2328 * This routine looks up the ndlp lists
2329 * for the given RPI. If rpi found
dea3101e 2330 * it return the node list pointer
21568f53 2331 * else return NULL.
dea3101e 2332 */
2333struct lpfc_nodelist *
2334lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi)
2335{
21568f53
JSEC		 2336 struct lpfc_nodelist *ndlp;
2337 struct list_head * lists[]={&phba->fc_nlpunmap_list,
2338 &phba->fc_nlpmap_list,
2339 &phba->fc_plogi_list,
2340 &phba->fc_adisc_list,
2341 &phba->fc_reglogin_list};
2342 int i;
dea3101e 2343
66a9ed66 2344 spin_lock_irq(phba->host->host_lock);
21568f53
JSEC		 2345 for (i = 0; i < ARRAY_SIZE(lists); i++ )
2346 list_for_each_entry(ndlp, lists[i], nlp_listp)
66a9ed66
JW		 2347 if (ndlp->nlp_rpi == rpi) {
2348 spin_unlock_irq(phba->host->host_lock);
2fe165b6 2349 return ndlp;
66a9ed66
JW		 2350 }
2351 spin_unlock_irq(phba->host->host_lock);
21568f53 2352 return NULL;
dea3101e 2353}
2354
488d1469
JS		 2355/*
2356 * This routine looks up the ndlp lists
2357 * for the given WWPN. If WWPN found
2358 * it return the node list pointer
2359 * else return NULL.
2360 */
2361struct lpfc_nodelist *
2362lpfc_findnode_wwpn(struct lpfc_hba * phba, uint32_t order,
2363 struct lpfc_name * wwpn)
2364{
2365 struct lpfc_nodelist *ndlp;
2366 struct list_head * lists[]={&phba->fc_nlpunmap_list,
2367 &phba->fc_nlpmap_list,
2368 &phba->fc_npr_list,
2369 &phba->fc_plogi_list,
2370 &phba->fc_adisc_list,
2371 &phba->fc_reglogin_list,
2372 &phba->fc_prli_list};
2373 uint32_t search[]={NLP_SEARCH_UNMAPPED,
2374 NLP_SEARCH_MAPPED,
2375 NLP_SEARCH_NPR,
2376 NLP_SEARCH_PLOGI,
2377 NLP_SEARCH_ADISC,
2378 NLP_SEARCH_REGLOGIN,
2379 NLP_SEARCH_PRLI};
2380 int i;
2381
2382 spin_lock_irq(phba->host->host_lock);
2383 for (i = 0; i < ARRAY_SIZE(lists); i++ ) {
2384 if (!(order & search[i]))
2385 continue;
2386 list_for_each_entry(ndlp, lists[i], nlp_listp) {
2387 if (memcmp(&ndlp->nlp_portname, wwpn,
2388 sizeof(struct lpfc_name)) == 0) {
2389 spin_unlock_irq(phba->host->host_lock);
2390 return ndlp;
2391 }
2392 }
2393 }
2394 spin_unlock_irq(phba->host->host_lock);
2395 return NULL;
2396}
2397
dea3101e 2398void
2399lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
2400 uint32_t did)
2401{
2402 memset(ndlp, 0, sizeof (struct lpfc_nodelist));
dea3101e 2403 INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp);
dea3101e 2404 init_timer(&ndlp->nlp_delayfunc);
2405 ndlp->nlp_delayfunc.function = lpfc_els_retry_delay;
2406 ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
2407 ndlp->nlp_DID = did;
2408 ndlp->nlp_phba = phba;
2409 ndlp->nlp_sid = NLP_NO_SID;
2410 return;
2411}
Linux kernel - Deliverables
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