1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2005 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
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. *
20 *******************************************************************/
22 #include <linux/blkdev.h>
23 #include <linux/pci.h>
24 #include <linux/kthread.h>
25 #include <linux/interrupt.h>
27 #include <scsi/scsi.h>
28 #include <scsi/scsi_device.h>
29 #include <scsi/scsi_host.h>
30 #include <scsi/scsi_transport_fc.h>
33 #include "lpfc_disc.h"
35 #include "lpfc_scsi.h"
37 #include "lpfc_logmsg.h"
38 #include "lpfc_crtn.h"
40 /* AlpaArray for assignment of scsid for scan-down and bind_method */
41 static 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
57 static void lpfc_disc_timeout_handler(struct lpfc_hba *);
60 lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
64 spin_lock_irq(phba->host->host_lock);
65 if (!(ndlp->nlp_flag & NLP_NODEV_TMO)) {
66 spin_unlock_irq(phba->host->host_lock);
70 ndlp->nlp_flag &= ~NLP_NODEV_TMO;
72 if (ndlp->nlp_sid != NLP_NO_SID) {
74 /* flush the target */
75 lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
76 ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT);
78 spin_unlock_irq(phba->host->host_lock);
81 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
82 "%d:0203 Nodev timeout on NPort x%x "
83 "Data: x%x x%x x%x\n",
84 phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
85 ndlp->nlp_state, ndlp->nlp_rpi);
87 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
88 "%d:0204 Nodev timeout on NPort x%x "
89 "Data: x%x x%x x%x\n",
90 phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
91 ndlp->nlp_state, ndlp->nlp_rpi);
94 lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM);
99 lpfc_work_list_done(struct lpfc_hba * phba)
101 struct lpfc_work_evt *evtp = NULL;
102 struct lpfc_nodelist *ndlp;
105 spin_lock_irq(phba->host->host_lock);
106 while(!list_empty(&phba->work_list)) {
107 list_remove_head((&phba->work_list), evtp, typeof(*evtp),
109 spin_unlock_irq(phba->host->host_lock);
112 case LPFC_EVT_NODEV_TMO:
113 ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
114 lpfc_process_nodev_timeout(phba, ndlp);
117 case LPFC_EVT_ELS_RETRY:
118 ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
119 lpfc_els_retry_delay_handler(ndlp);
122 case LPFC_EVT_ONLINE:
123 *(int *)(evtp->evt_arg1) = lpfc_online(phba);
124 complete((struct completion *)(evtp->evt_arg2));
126 case LPFC_EVT_OFFLINE:
127 *(int *)(evtp->evt_arg1) = lpfc_offline(phba);
128 complete((struct completion *)(evtp->evt_arg2));
133 spin_lock_irq(phba->host->host_lock);
135 spin_unlock_irq(phba->host->host_lock);
140 lpfc_work_done(struct lpfc_hba * phba)
142 struct lpfc_sli_ring *pring;
146 uint32_t work_hba_events;
148 spin_lock_irq(phba->host->host_lock);
149 ha_copy = phba->work_ha;
151 work_hba_events=phba->work_hba_events;
152 spin_unlock_irq(phba->host->host_lock);
154 if(ha_copy & HA_ERATT)
155 lpfc_handle_eratt(phba);
157 if(ha_copy & HA_MBATT)
158 lpfc_sli_handle_mb_event(phba);
160 if(ha_copy & HA_LATT)
161 lpfc_handle_latt(phba);
163 if (work_hba_events & WORKER_DISC_TMO)
164 lpfc_disc_timeout_handler(phba);
166 if (work_hba_events & WORKER_ELS_TMO)
167 lpfc_els_timeout_handler(phba);
169 if (work_hba_events & WORKER_MBOX_TMO)
170 lpfc_mbox_timeout_handler(phba);
172 if (work_hba_events & WORKER_FDMI_TMO)
173 lpfc_fdmi_tmo_handler(phba);
175 spin_lock_irq(phba->host->host_lock);
176 phba->work_hba_events &= ~work_hba_events;
177 spin_unlock_irq(phba->host->host_lock);
179 for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) {
180 pring = &phba->sli.ring[i];
181 if ((ha_copy & HA_RXATT)
182 || (pring->flag & LPFC_DEFERRED_RING_EVENT)) {
183 if (pring->flag & LPFC_STOP_IOCB_MASK) {
184 pring->flag |= LPFC_DEFERRED_RING_EVENT;
186 lpfc_sli_handle_slow_ring_event(phba, pring,
189 pring->flag &= ~LPFC_DEFERRED_RING_EVENT;
192 * Turn on Ring interrupts
194 spin_lock_irq(phba->host->host_lock);
195 control = readl(phba->HCregaddr);
196 control |= (HC_R0INT_ENA << i);
197 writel(control, phba->HCregaddr);
198 readl(phba->HCregaddr); /* flush */
199 spin_unlock_irq(phba->host->host_lock);
203 lpfc_work_list_done (phba);
208 check_work_wait_done(struct lpfc_hba *phba) {
210 spin_lock_irq(phba->host->host_lock);
212 phba->work_hba_events ||
213 (!list_empty(&phba->work_list)) ||
214 kthread_should_stop()) {
215 spin_unlock_irq(phba->host->host_lock);
218 spin_unlock_irq(phba->host->host_lock);
224 lpfc_do_work(void *p)
226 struct lpfc_hba *phba = p;
228 DECLARE_WAIT_QUEUE_HEAD(work_waitq);
230 set_user_nice(current, -20);
231 phba->work_wait = &work_waitq;
235 rc = wait_event_interruptible(work_waitq,
236 check_work_wait_done(phba));
239 if (kthread_should_stop())
242 lpfc_work_done(phba);
245 phba->work_wait = NULL;
250 * This is only called to handle FC worker events. Since this a rare
251 * occurance, we allocate a struct lpfc_work_evt structure here instead of
252 * embedding it in the IOCB.
255 lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2,
258 struct lpfc_work_evt *evtp;
261 * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will
262 * be queued to worker thread for processing
264 evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL);
268 evtp->evt_arg1 = arg1;
269 evtp->evt_arg2 = arg2;
272 list_add_tail(&evtp->evt_listp, &phba->work_list);
273 spin_lock_irq(phba->host->host_lock);
275 wake_up(phba->work_wait);
276 spin_unlock_irq(phba->host->host_lock);
282 lpfc_linkdown(struct lpfc_hba * phba)
284 struct lpfc_sli *psli;
285 struct lpfc_nodelist *ndlp, *next_ndlp;
286 struct list_head *listp, *node_list[7];
292 /* sysfs or selective reset may call this routine to clean up */
293 if (phba->hba_state > LPFC_LINK_DOWN) {
294 spin_lock_irq(phba->host->host_lock);
295 phba->hba_state = LPFC_LINK_DOWN;
296 spin_unlock_irq(phba->host->host_lock);
299 /* Clean up any firmware default rpi's */
300 if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
301 lpfc_unreg_did(phba, 0xffffffff, mb);
302 mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
303 if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB))
304 == MBX_NOT_FINISHED) {
305 mempool_free( mb, phba->mbox_mem_pool);
309 /* Cleanup any outstanding RSCN activity */
310 lpfc_els_flush_rscn(phba);
312 /* Cleanup any outstanding ELS commands */
313 lpfc_els_flush_cmd(phba);
315 /* Issue a LINK DOWN event to all nodes */
316 node_list[0] = &phba->fc_npr_list; /* MUST do this list first */
317 node_list[1] = &phba->fc_nlpmap_list;
318 node_list[2] = &phba->fc_nlpunmap_list;
319 node_list[3] = &phba->fc_prli_list;
320 node_list[4] = &phba->fc_reglogin_list;
321 node_list[5] = &phba->fc_adisc_list;
322 node_list[6] = &phba->fc_plogi_list;
323 for (i = 0; i < 7; i++) {
324 listp = node_list[i];
325 if (list_empty(listp))
328 list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
330 rc = lpfc_disc_state_machine(phba, ndlp, NULL,
331 NLP_EVT_DEVICE_RECOVERY);
333 /* Check config parameter use-adisc or FCP-2 */
334 if ((rc != NLP_STE_FREED_NODE) &&
335 (phba->cfg_use_adisc == 0) &&
336 !(ndlp->nlp_fcp_info &
338 /* We know we will have to relogin, so
339 * unreglogin the rpi right now to fail
340 * any outstanding I/Os quickly.
342 lpfc_unreg_rpi(phba, ndlp);
347 /* free any ndlp's on unused list */
348 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
350 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
353 /* Setup myDID for link up if we are in pt2pt mode */
354 if (phba->fc_flag & FC_PT2PT) {
356 if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
357 lpfc_config_link(phba, mb);
358 mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
359 if (lpfc_sli_issue_mbox
360 (phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB))
361 == MBX_NOT_FINISHED) {
362 mempool_free( mb, phba->mbox_mem_pool);
365 spin_lock_irq(phba->host->host_lock);
366 phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI);
367 spin_unlock_irq(phba->host->host_lock);
369 spin_lock_irq(phba->host->host_lock);
370 phba->fc_flag &= ~FC_LBIT;
371 spin_unlock_irq(phba->host->host_lock);
373 /* Turn off discovery timer if its running */
374 lpfc_can_disctmo(phba);
376 /* Must process IOCBs on all rings to handle ABORTed I/Os */
381 lpfc_linkup(struct lpfc_hba * phba)
383 struct lpfc_nodelist *ndlp, *next_ndlp;
384 struct list_head *listp, *node_list[7];
387 spin_lock_irq(phba->host->host_lock);
388 phba->hba_state = LPFC_LINK_UP;
389 phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY |
390 FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY);
391 phba->fc_flag |= FC_NDISC_ACTIVE;
392 phba->fc_ns_retry = 0;
393 spin_unlock_irq(phba->host->host_lock);
396 node_list[0] = &phba->fc_plogi_list;
397 node_list[1] = &phba->fc_adisc_list;
398 node_list[2] = &phba->fc_reglogin_list;
399 node_list[3] = &phba->fc_prli_list;
400 node_list[4] = &phba->fc_nlpunmap_list;
401 node_list[5] = &phba->fc_nlpmap_list;
402 node_list[6] = &phba->fc_npr_list;
403 for (i = 0; i < 7; i++) {
404 listp = node_list[i];
405 if (list_empty(listp))
408 list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
409 if (phba->fc_flag & FC_LBIT) {
410 if (ndlp->nlp_type & NLP_FABRIC) {
411 /* On Linkup its safe to clean up the
412 * ndlp from Fabric connections.
414 lpfc_nlp_list(phba, ndlp,
416 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
417 /* Fail outstanding IO now since device
418 * is marked for PLOGI.
420 lpfc_unreg_rpi(phba, ndlp);
426 /* free any ndlp's on unused list */
427 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
429 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
436 * This routine handles processing a CLEAR_LA mailbox
437 * command upon completion. It is setup in the LPFC_MBOXQ
438 * as the completion routine when the command is
439 * handed off to the SLI layer.
442 lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
444 struct lpfc_sli *psli;
450 /* Since we don't do discovery right now, turn these off here */
451 psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
452 psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
453 psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
455 /* Check for error */
456 if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) {
457 /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */
458 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
459 "%d:0320 CLEAR_LA mbxStatus error x%x hba "
461 phba->brd_no, mb->mbxStatus, phba->hba_state);
463 phba->hba_state = LPFC_HBA_ERROR;
467 if (phba->fc_flag & FC_ABORT_DISCOVERY)
470 phba->num_disc_nodes = 0;
471 /* go thru NPR list and issue ELS PLOGIs */
472 if (phba->fc_npr_cnt) {
473 lpfc_els_disc_plogi(phba);
476 if(!phba->num_disc_nodes) {
477 spin_lock_irq(phba->host->host_lock);
478 phba->fc_flag &= ~FC_NDISC_ACTIVE;
479 spin_unlock_irq(phba->host->host_lock);
482 phba->hba_state = LPFC_HBA_READY;
485 /* Device Discovery completes */
486 lpfc_printf_log(phba,
489 "%d:0225 Device Discovery completes\n",
492 mempool_free( pmb, phba->mbox_mem_pool);
494 spin_lock_irq(phba->host->host_lock);
495 phba->fc_flag &= ~FC_ABORT_DISCOVERY;
496 if (phba->fc_flag & FC_ESTABLISH_LINK) {
497 phba->fc_flag &= ~FC_ESTABLISH_LINK;
499 spin_unlock_irq(phba->host->host_lock);
501 del_timer_sync(&phba->fc_estabtmo);
503 lpfc_can_disctmo(phba);
505 /* turn on Link Attention interrupts */
506 spin_lock_irq(phba->host->host_lock);
507 psli->sli_flag |= LPFC_PROCESS_LA;
508 control = readl(phba->HCregaddr);
509 control |= HC_LAINT_ENA;
510 writel(control, phba->HCregaddr);
511 readl(phba->HCregaddr); /* flush */
512 spin_unlock_irq(phba->host->host_lock);
518 lpfc_mbx_cmpl_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
520 struct lpfc_sli *psli;
525 /* Check for error */
527 /* CONFIG_LINK mbox error <mbxStatus> state <hba_state> */
528 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
529 "%d:0306 CONFIG_LINK mbxStatus error x%x "
531 phba->brd_no, mb->mbxStatus, phba->hba_state);
534 phba->hba_state = LPFC_HBA_ERROR;
538 if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
539 if (phba->fc_topology == TOPOLOGY_LOOP) {
540 /* If we are public loop and L bit was set */
541 if ((phba->fc_flag & FC_PUBLIC_LOOP) &&
542 !(phba->fc_flag & FC_LBIT)) {
543 /* Need to wait for FAN - use discovery timer
544 * for timeout. hba_state is identically
545 * LPFC_LOCAL_CFG_LINK while waiting for FAN
547 lpfc_set_disctmo(phba);
548 mempool_free( pmb, phba->mbox_mem_pool);
553 /* Start discovery by sending a FLOGI hba_state is identically
554 * LPFC_FLOGI while waiting for FLOGI cmpl
556 phba->hba_state = LPFC_FLOGI;
557 lpfc_set_disctmo(phba);
558 lpfc_initial_flogi(phba);
559 mempool_free( pmb, phba->mbox_mem_pool);
562 if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
563 mempool_free( pmb, phba->mbox_mem_pool);
568 /* CONFIG_LINK bad hba state <hba_state> */
569 lpfc_printf_log(phba,
572 "%d:0200 CONFIG_LINK bad hba state x%x\n",
573 phba->brd_no, phba->hba_state);
575 if (phba->hba_state != LPFC_CLEAR_LA) {
576 lpfc_clear_la(phba, pmb);
577 pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
578 if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB))
579 == MBX_NOT_FINISHED) {
580 mempool_free( pmb, phba->mbox_mem_pool);
581 lpfc_disc_flush_list(phba);
582 psli->ring[(psli->ip_ring)].flag &=
583 ~LPFC_STOP_IOCB_EVENT;
584 psli->ring[(psli->fcp_ring)].flag &=
585 ~LPFC_STOP_IOCB_EVENT;
586 psli->ring[(psli->next_ring)].flag &=
587 ~LPFC_STOP_IOCB_EVENT;
588 phba->hba_state = LPFC_HBA_READY;
591 mempool_free( pmb, phba->mbox_mem_pool);
597 lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
599 struct lpfc_sli *psli = &phba->sli;
600 MAILBOX_t *mb = &pmb->mb;
601 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1;
604 /* Check for error */
606 /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */
607 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
608 "%d:0319 READ_SPARAM mbxStatus error x%x "
610 phba->brd_no, mb->mbxStatus, phba->hba_state);
613 phba->hba_state = LPFC_HBA_ERROR;
617 memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt,
618 sizeof (struct serv_parm));
619 memcpy((uint8_t *) & phba->fc_nodename,
620 (uint8_t *) & phba->fc_sparam.nodeName,
621 sizeof (struct lpfc_name));
622 memcpy((uint8_t *) & phba->fc_portname,
623 (uint8_t *) & phba->fc_sparam.portName,
624 sizeof (struct lpfc_name));
625 lpfc_mbuf_free(phba, mp->virt, mp->phys);
627 mempool_free( pmb, phba->mbox_mem_pool);
631 pmb->context1 = NULL;
632 lpfc_mbuf_free(phba, mp->virt, mp->phys);
634 if (phba->hba_state != LPFC_CLEAR_LA) {
635 lpfc_clear_la(phba, pmb);
636 pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
637 if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB))
638 == MBX_NOT_FINISHED) {
639 mempool_free( pmb, phba->mbox_mem_pool);
640 lpfc_disc_flush_list(phba);
641 psli->ring[(psli->ip_ring)].flag &=
642 ~LPFC_STOP_IOCB_EVENT;
643 psli->ring[(psli->fcp_ring)].flag &=
644 ~LPFC_STOP_IOCB_EVENT;
645 psli->ring[(psli->next_ring)].flag &=
646 ~LPFC_STOP_IOCB_EVENT;
647 phba->hba_state = LPFC_HBA_READY;
650 mempool_free( pmb, phba->mbox_mem_pool);
656 lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
659 LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox;
660 sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
661 cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
663 spin_lock_irq(phba->host->host_lock);
664 switch(la->UlnkSpeed) {
666 phba->fc_linkspeed = LA_1GHZ_LINK;
669 phba->fc_linkspeed = LA_2GHZ_LINK;
672 phba->fc_linkspeed = LA_4GHZ_LINK;
675 phba->fc_linkspeed = LA_UNKNW_LINK;
679 phba->fc_topology = la->topology;
681 if (phba->fc_topology == TOPOLOGY_LOOP) {
682 /* Get Loop Map information */
685 phba->fc_flag |= FC_LBIT;
687 phba->fc_myDID = la->granted_AL_PA;
688 i = la->un.lilpBde64.tus.f.bdeSize;
691 phba->alpa_map[0] = 0;
693 if (phba->cfg_log_verbose & LOG_LINK_EVENT) {
704 numalpa = phba->alpa_map[0];
706 while (j < numalpa) {
707 memset(un.pamap, 0, 16);
708 for (k = 1; j < numalpa; k++) {
710 phba->alpa_map[j + 1];
715 /* Link Up Event ALPA map */
716 lpfc_printf_log(phba,
719 "%d:1304 Link Up Event "
720 "ALPA map Data: x%x "
723 un.pa.wd1, un.pa.wd2,
724 un.pa.wd3, un.pa.wd4);
729 phba->fc_myDID = phba->fc_pref_DID;
730 phba->fc_flag |= FC_LBIT;
732 spin_unlock_irq(phba->host->host_lock);
736 lpfc_read_sparam(phba, sparam_mbox);
737 sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
738 lpfc_sli_issue_mbox(phba, sparam_mbox,
739 (MBX_NOWAIT | MBX_STOP_IOCB));
743 phba->hba_state = LPFC_LOCAL_CFG_LINK;
744 lpfc_config_link(phba, cfglink_mbox);
745 cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_config_link;
746 lpfc_sli_issue_mbox(phba, cfglink_mbox,
747 (MBX_NOWAIT | MBX_STOP_IOCB));
752 lpfc_mbx_issue_link_down(struct lpfc_hba *phba) {
754 struct lpfc_sli *psli = &phba->sli;
758 /* turn on Link Attention interrupts - no CLEAR_LA needed */
759 spin_lock_irq(phba->host->host_lock);
760 psli->sli_flag |= LPFC_PROCESS_LA;
761 control = readl(phba->HCregaddr);
762 control |= HC_LAINT_ENA;
763 writel(control, phba->HCregaddr);
764 readl(phba->HCregaddr); /* flush */
765 spin_unlock_irq(phba->host->host_lock);
769 * This routine handles processing a READ_LA mailbox
770 * command upon completion. It is setup in the LPFC_MBOXQ
771 * as the completion routine when the command is
772 * handed off to the SLI layer.
775 lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
778 MAILBOX_t *mb = &pmb->mb;
779 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
781 /* Check for error */
783 lpfc_printf_log(phba,
786 "%d:1307 READ_LA mbox error x%x state x%x\n",
788 mb->mbxStatus, phba->hba_state);
789 lpfc_mbx_issue_link_down(phba);
790 phba->hba_state = LPFC_HBA_ERROR;
791 goto lpfc_mbx_cmpl_read_la_free_mbuf;
794 la = (READ_LA_VAR *) & pmb->mb.un.varReadLA;
796 memcpy(&phba->alpa_map[0], mp->virt, 128);
798 spin_lock_irq(phba->host->host_lock);
800 phba->fc_flag |= FC_BYPASSED_MODE;
802 phba->fc_flag &= ~FC_BYPASSED_MODE;
803 spin_unlock_irq(phba->host->host_lock);
805 if (((phba->fc_eventTag + 1) < la->eventTag) ||
806 (phba->fc_eventTag == la->eventTag)) {
807 phba->fc_stat.LinkMultiEvent++;
808 if (la->attType == AT_LINK_UP) {
809 if (phba->fc_eventTag != 0)
814 phba->fc_eventTag = la->eventTag;
816 if (la->attType == AT_LINK_UP) {
817 phba->fc_stat.LinkUp++;
818 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
819 "%d:1303 Link Up Event x%x received "
820 "Data: x%x x%x x%x x%x\n",
821 phba->brd_no, la->eventTag, phba->fc_eventTag,
822 la->granted_AL_PA, la->UlnkSpeed,
824 lpfc_mbx_process_link_up(phba, la);
826 phba->fc_stat.LinkDown++;
827 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
828 "%d:1305 Link Down Event x%x received "
829 "Data: x%x x%x x%x\n",
830 phba->brd_no, la->eventTag, phba->fc_eventTag,
831 phba->hba_state, phba->fc_flag);
832 lpfc_mbx_issue_link_down(phba);
835 lpfc_mbx_cmpl_read_la_free_mbuf:
836 lpfc_mbuf_free(phba, mp->virt, mp->phys);
838 mempool_free(pmb, phba->mbox_mem_pool);
843 * This routine handles processing a REG_LOGIN mailbox
844 * command upon completion. It is setup in the LPFC_MBOXQ
845 * as the completion routine when the command is
846 * handed off to the SLI layer.
849 lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
851 struct lpfc_sli *psli;
853 struct lpfc_dmabuf *mp;
854 struct lpfc_nodelist *ndlp;
859 ndlp = (struct lpfc_nodelist *) pmb->context2;
860 mp = (struct lpfc_dmabuf *) (pmb->context1);
862 pmb->context1 = NULL;
864 /* Good status, call state machine */
865 lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN);
866 lpfc_mbuf_free(phba, mp->virt, mp->phys);
868 mempool_free( pmb, phba->mbox_mem_pool);
874 * This routine handles processing a Fabric REG_LOGIN mailbox
875 * command upon completion. It is setup in the LPFC_MBOXQ
876 * as the completion routine when the command is
877 * handed off to the SLI layer.
880 lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
882 struct lpfc_sli *psli;
884 struct lpfc_dmabuf *mp;
885 struct lpfc_nodelist *ndlp;
886 struct lpfc_nodelist *ndlp_fdmi;
892 ndlp = (struct lpfc_nodelist *) pmb->context2;
893 mp = (struct lpfc_dmabuf *) (pmb->context1);
896 lpfc_mbuf_free(phba, mp->virt, mp->phys);
898 mempool_free( pmb, phba->mbox_mem_pool);
899 mempool_free( ndlp, phba->nlp_mem_pool);
901 /* FLOGI failed, so just use loop map to make discovery list */
902 lpfc_disc_list_loopmap(phba);
904 /* Start discovery */
905 lpfc_disc_start(phba);
909 pmb->context1 = NULL;
911 ndlp->nlp_rpi = mb->un.varWords[0];
912 ndlp->nlp_type |= NLP_FABRIC;
913 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
914 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
916 if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
917 /* This NPort has been assigned an NPort_ID by the fabric as a
918 * result of the completed fabric login. Issue a State Change
919 * Registration (SCR) ELS request to the fabric controller
920 * (SCR_DID) so that this NPort gets RSCN events from the
923 lpfc_issue_els_scr(phba, SCR_DID, 0);
925 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
927 /* Allocate a new node instance. If the pool is empty,
928 * start the discovery process and skip the Nameserver
929 * login process. This is attempted again later on.
930 * Otherwise, issue a Port Login (PLOGI) to NameServer.
932 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC);
934 lpfc_disc_start(phba);
935 lpfc_mbuf_free(phba, mp->virt, mp->phys);
937 mempool_free( pmb, phba->mbox_mem_pool);
940 lpfc_nlp_init(phba, ndlp, NameServer_DID);
941 ndlp->nlp_type |= NLP_FABRIC;
944 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
945 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
946 lpfc_issue_els_plogi(phba, ndlp, 0);
947 if (phba->cfg_fdmi_on) {
948 ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool,
951 lpfc_nlp_init(phba, ndlp_fdmi, FDMI_DID);
952 ndlp_fdmi->nlp_type |= NLP_FABRIC;
953 ndlp_fdmi->nlp_state = NLP_STE_PLOGI_ISSUE;
954 lpfc_issue_els_plogi(phba, ndlp_fdmi, 0);
959 lpfc_mbuf_free(phba, mp->virt, mp->phys);
961 mempool_free( pmb, phba->mbox_mem_pool);
966 * This routine handles processing a NameServer REG_LOGIN mailbox
967 * command upon completion. It is setup in the LPFC_MBOXQ
968 * as the completion routine when the command is
969 * handed off to the SLI layer.
972 lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
974 struct lpfc_sli *psli;
976 struct lpfc_dmabuf *mp;
977 struct lpfc_nodelist *ndlp;
982 ndlp = (struct lpfc_nodelist *) pmb->context2;
983 mp = (struct lpfc_dmabuf *) (pmb->context1);
986 lpfc_mbuf_free(phba, mp->virt, mp->phys);
988 mempool_free( pmb, phba->mbox_mem_pool);
989 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
991 /* RegLogin failed, so just use loop map to make discovery
993 lpfc_disc_list_loopmap(phba);
995 /* Start discovery */
996 lpfc_disc_start(phba);
1000 pmb->context1 = NULL;
1002 ndlp->nlp_rpi = mb->un.varWords[0];
1003 ndlp->nlp_type |= NLP_FABRIC;
1004 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
1005 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
1007 if (phba->hba_state < LPFC_HBA_READY) {
1008 /* Link up discovery requires Fabrib registration. */
1009 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID);
1010 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN);
1011 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID);
1014 phba->fc_ns_retry = 0;
1015 /* Good status, issue CT Request to NameServer */
1016 if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) {
1017 /* Cannot issue NameServer Query, so finish up discovery */
1018 lpfc_disc_start(phba);
1021 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1023 mempool_free( pmb, phba->mbox_mem_pool);
1029 lpfc_register_remote_port(struct lpfc_hba * phba,
1030 struct lpfc_nodelist * ndlp)
1032 struct fc_rport *rport;
1033 struct lpfc_rport_data *rdata;
1034 struct fc_rport_identifiers rport_ids;
1036 /* Remote port has reappeared. Re-register w/ FC transport */
1037 rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
1038 rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
1039 rport_ids.port_id = ndlp->nlp_DID;
1040 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
1042 ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids);
1044 dev_printk(KERN_WARNING, &phba->pcidev->dev,
1045 "Warning: fc_remote_port_add failed\n");
1049 /* initialize static port data */
1050 rport->maxframe_size = ndlp->nlp_maxframe;
1051 rport->supported_classes = ndlp->nlp_class_sup;
1052 if ((rport->scsi_target_id != -1) &&
1053 (rport->scsi_target_id < MAX_FCP_TARGET)) {
1054 ndlp->nlp_sid = rport->scsi_target_id;
1056 rdata = rport->dd_data;
1057 rdata->pnode = ndlp;
1059 if (ndlp->nlp_type & NLP_FCP_TARGET)
1060 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
1061 if (ndlp->nlp_type & NLP_FCP_INITIATOR)
1062 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
1065 if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN)
1066 fc_remote_port_rolechg(rport, rport_ids.roles);
1073 lpfc_unregister_remote_port(struct lpfc_hba * phba,
1074 struct lpfc_nodelist * ndlp)
1076 struct fc_rport *rport = ndlp->rport;
1077 struct lpfc_rport_data *rdata = rport->dd_data;
1080 rdata->pnode = NULL;
1081 fc_remote_port_delete(rport);
1087 lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
1089 enum { none, unmapped, mapped } rport_add = none, rport_del = none;
1090 struct lpfc_sli *psli;
1093 /* Sanity check to ensure we are not moving to / from the same list */
1094 if ((nlp->nlp_flag & NLP_LIST_MASK) == list) {
1095 if (list != NLP_NO_LIST)
1099 switch(nlp->nlp_flag & NLP_LIST_MASK) {
1100 case NLP_NO_LIST: /* Not on any list */
1102 case NLP_UNUSED_LIST:
1103 phba->fc_unused_cnt--;
1104 list_del(&nlp->nlp_listp);
1106 case NLP_PLOGI_LIST:
1107 phba->fc_plogi_cnt--;
1108 list_del(&nlp->nlp_listp);
1110 case NLP_ADISC_LIST:
1111 phba->fc_adisc_cnt--;
1112 list_del(&nlp->nlp_listp);
1114 case NLP_REGLOGIN_LIST:
1115 phba->fc_reglogin_cnt--;
1116 list_del(&nlp->nlp_listp);
1119 phba->fc_prli_cnt--;
1120 list_del(&nlp->nlp_listp);
1122 case NLP_UNMAPPED_LIST:
1123 phba->fc_unmap_cnt--;
1124 list_del(&nlp->nlp_listp);
1125 spin_lock_irq(phba->host->host_lock);
1126 nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID;
1127 nlp->nlp_type &= ~NLP_FC_NODE;
1128 spin_unlock_irq(phba->host->host_lock);
1129 phba->nport_event_cnt++;
1131 rport_del = unmapped;
1133 case NLP_MAPPED_LIST:
1135 list_del(&nlp->nlp_listp);
1136 phba->nport_event_cnt++;
1142 list_del(&nlp->nlp_listp);
1143 /* Stop delay tmo if taking node off NPR list */
1144 if ((nlp->nlp_flag & NLP_DELAY_TMO) &&
1145 (list != NLP_NPR_LIST)) {
1146 spin_lock_irq(phba->host->host_lock);
1147 nlp->nlp_flag &= ~NLP_DELAY_TMO;
1148 spin_unlock_irq(phba->host->host_lock);
1149 del_timer_sync(&nlp->nlp_delayfunc);
1150 if (!list_empty(&nlp->els_retry_evt.evt_listp))
1151 list_del_init(&nlp->els_retry_evt.evt_listp);
1156 spin_lock_irq(phba->host->host_lock);
1157 nlp->nlp_flag &= ~NLP_LIST_MASK;
1158 spin_unlock_irq(phba->host->host_lock);
1160 /* Add NPort <did> to <num> list */
1161 lpfc_printf_log(phba,
1164 "%d:0904 Add NPort x%x to %d list Data: x%x\n",
1166 nlp->nlp_DID, list, nlp->nlp_flag);
1169 case NLP_NO_LIST: /* No list, just remove it */
1170 lpfc_nlp_remove(phba, nlp);
1171 /* as node removed - stop further transport calls */
1174 case NLP_UNUSED_LIST:
1175 spin_lock_irq(phba->host->host_lock);
1176 nlp->nlp_flag |= list;
1177 spin_unlock_irq(phba->host->host_lock);
1178 /* Put it at the end of the unused list */
1179 list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list);
1180 phba->fc_unused_cnt++;
1182 case NLP_PLOGI_LIST:
1183 spin_lock_irq(phba->host->host_lock);
1184 nlp->nlp_flag |= list;
1185 spin_unlock_irq(phba->host->host_lock);
1186 /* Put it at the end of the plogi list */
1187 list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list);
1188 phba->fc_plogi_cnt++;
1190 case NLP_ADISC_LIST:
1191 spin_lock_irq(phba->host->host_lock);
1192 nlp->nlp_flag |= list;
1193 spin_unlock_irq(phba->host->host_lock);
1194 /* Put it at the end of the adisc list */
1195 list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list);
1196 phba->fc_adisc_cnt++;
1198 case NLP_REGLOGIN_LIST:
1199 spin_lock_irq(phba->host->host_lock);
1200 nlp->nlp_flag |= list;
1201 spin_unlock_irq(phba->host->host_lock);
1202 /* Put it at the end of the reglogin list */
1203 list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list);
1204 phba->fc_reglogin_cnt++;
1207 spin_lock_irq(phba->host->host_lock);
1208 nlp->nlp_flag |= list;
1209 spin_unlock_irq(phba->host->host_lock);
1210 /* Put it at the end of the prli list */
1211 list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list);
1212 phba->fc_prli_cnt++;
1214 case NLP_UNMAPPED_LIST:
1215 rport_add = unmapped;
1216 /* ensure all vestiges of "mapped" significance are gone */
1217 nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
1218 spin_lock_irq(phba->host->host_lock);
1219 nlp->nlp_flag |= list;
1220 spin_unlock_irq(phba->host->host_lock);
1221 /* Put it at the end of the unmap list */
1222 list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list);
1223 phba->fc_unmap_cnt++;
1224 phba->nport_event_cnt++;
1225 /* stop nodev tmo if running */
1226 if (nlp->nlp_flag & NLP_NODEV_TMO) {
1227 spin_lock_irq(phba->host->host_lock);
1228 nlp->nlp_flag &= ~NLP_NODEV_TMO;
1229 spin_unlock_irq(phba->host->host_lock);
1230 del_timer_sync(&nlp->nlp_tmofunc);
1231 if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
1232 list_del_init(&nlp->nodev_timeout_evt.
1236 nlp->nlp_type |= NLP_FC_NODE;
1238 case NLP_MAPPED_LIST:
1240 spin_lock_irq(phba->host->host_lock);
1241 nlp->nlp_flag |= list;
1242 spin_unlock_irq(phba->host->host_lock);
1243 /* Put it at the end of the map list */
1244 list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list);
1246 phba->nport_event_cnt++;
1247 /* stop nodev tmo if running */
1248 if (nlp->nlp_flag & NLP_NODEV_TMO) {
1249 nlp->nlp_flag &= ~NLP_NODEV_TMO;
1250 del_timer_sync(&nlp->nlp_tmofunc);
1251 if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
1252 list_del_init(&nlp->nodev_timeout_evt.
1258 spin_lock_irq(phba->host->host_lock);
1259 nlp->nlp_flag |= list;
1260 spin_unlock_irq(phba->host->host_lock);
1261 /* Put it at the end of the npr list */
1262 list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list);
1265 if (!(nlp->nlp_flag & NLP_NODEV_TMO)) {
1266 mod_timer(&nlp->nlp_tmofunc,
1267 jiffies + HZ * phba->cfg_nodev_tmo);
1269 spin_lock_irq(phba->host->host_lock);
1270 nlp->nlp_flag |= NLP_NODEV_TMO;
1271 nlp->nlp_flag &= ~NLP_RCV_PLOGI;
1272 spin_unlock_irq(phba->host->host_lock);
1279 * We make all the calls into the transport after we have
1280 * moved the node between lists. This so that we don't
1281 * release the lock while in-between lists.
1284 /* Don't upcall midlayer if we're unloading */
1285 if (!(phba->fc_flag & FC_UNLOADING)) {
1287 * We revalidate the rport pointer as the "add" function
1288 * may have removed the remote port.
1290 if ((rport_del != none) && nlp->rport)
1291 lpfc_unregister_remote_port(phba, nlp);
1293 if (rport_add != none) {
1295 * Tell the fc transport about the port, if we haven't
1296 * already. If we have, and it's a scsi entity, be
1297 * sure to unblock any attached scsi devices
1300 lpfc_register_remote_port(phba, nlp);
1303 * if we added to Mapped list, but the remote port
1304 * registration failed or assigned a target id outside
1305 * our presentable range - move the node to the
1308 if ((rport_add == mapped) &&
1310 (nlp->rport->scsi_target_id == -1) ||
1311 (nlp->rport->scsi_target_id >= MAX_FCP_TARGET))) {
1312 nlp->nlp_state = NLP_STE_UNMAPPED_NODE;
1313 spin_lock_irq(phba->host->host_lock);
1314 nlp->nlp_flag |= NLP_TGT_NO_SCSIID;
1315 spin_unlock_irq(phba->host->host_lock);
1316 lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST);
1324 * Start / ReStart rescue timer for Discovery / RSCN handling
1327 lpfc_set_disctmo(struct lpfc_hba * phba)
1331 if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
1332 /* For FAN, timeout should be greater then edtov */
1333 tmo = (((phba->fc_edtov + 999) / 1000) + 1);
1335 /* Normal discovery timeout should be > then ELS/CT timeout
1336 * FC spec states we need 3 * ratov for CT requests
1338 tmo = ((phba->fc_ratov * 3) + 3);
1341 mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo);
1342 spin_lock_irq(phba->host->host_lock);
1343 phba->fc_flag |= FC_DISC_TMO;
1344 spin_unlock_irq(phba->host->host_lock);
1346 /* Start Discovery Timer state <hba_state> */
1347 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
1348 "%d:0247 Start Discovery Timer state x%x "
1349 "Data: x%x x%lx x%x x%x\n",
1351 phba->hba_state, tmo, (unsigned long)&phba->fc_disctmo,
1352 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
1358 * Cancel rescue timer for Discovery / RSCN handling
1361 lpfc_can_disctmo(struct lpfc_hba * phba)
1363 /* Turn off discovery timer if its running */
1364 if (phba->fc_flag & FC_DISC_TMO) {
1365 spin_lock_irq(phba->host->host_lock);
1366 phba->fc_flag &= ~FC_DISC_TMO;
1367 spin_unlock_irq(phba->host->host_lock);
1368 del_timer_sync(&phba->fc_disctmo);
1369 phba->work_hba_events &= ~WORKER_DISC_TMO;
1372 /* Cancel Discovery Timer state <hba_state> */
1373 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
1374 "%d:0248 Cancel Discovery Timer state x%x "
1375 "Data: x%x x%x x%x\n",
1376 phba->brd_no, phba->hba_state, phba->fc_flag,
1377 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
1383 * Check specified ring for outstanding IOCB on the SLI queue
1384 * Return true if iocb matches the specified nport
1387 lpfc_check_sli_ndlp(struct lpfc_hba * phba,
1388 struct lpfc_sli_ring * pring,
1389 struct lpfc_iocbq * iocb, struct lpfc_nodelist * ndlp)
1391 struct lpfc_sli *psli;
1396 if (pring->ringno == LPFC_ELS_RING) {
1397 switch (icmd->ulpCommand) {
1398 case CMD_GEN_REQUEST64_CR:
1399 if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi)
1401 case CMD_ELS_REQUEST64_CR:
1402 case CMD_XMIT_ELS_RSP64_CX:
1403 if (iocb->context1 == (uint8_t *) ndlp)
1406 } else if (pring->ringno == psli->ip_ring) {
1408 } else if (pring->ringno == psli->fcp_ring) {
1409 /* Skip match check if waiting to relogin to FCP target */
1410 if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
1411 (ndlp->nlp_flag & NLP_DELAY_TMO)) {
1414 if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) {
1417 } else if (pring->ringno == psli->next_ring) {
1424 * Free resources / clean up outstanding I/Os
1425 * associated with nlp_rpi in the LPFC_NODELIST entry.
1428 lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1430 struct lpfc_sli *psli;
1431 struct lpfc_sli_ring *pring;
1432 struct lpfc_iocbq *iocb, *next_iocb;
1437 * Everything that matches on txcmplq will be returned
1438 * by firmware with a no rpi error.
1441 rpi = ndlp->nlp_rpi;
1443 /* Now process each ring */
1444 for (i = 0; i < psli->num_rings; i++) {
1445 pring = &psli->ring[i];
1447 spin_lock_irq(phba->host->host_lock);
1448 list_for_each_entry_safe(iocb, next_iocb, &pring->txq,
1451 * Check to see if iocb matches the nport we are
1454 if ((lpfc_check_sli_ndlp
1455 (phba, pring, iocb, ndlp))) {
1456 /* It matches, so deque and call compl
1458 list_del(&iocb->list);
1460 if (iocb->iocb_cmpl) {
1463 IOSTAT_LOCAL_REJECT;
1464 icmd->un.ulpWord[4] =
1466 spin_unlock_irq(phba->host->
1468 (iocb->iocb_cmpl) (phba,
1470 spin_lock_irq(phba->host->
1473 lpfc_sli_release_iocbq(phba,
1477 spin_unlock_irq(phba->host->host_lock);
1485 * Free rpi associated with LPFC_NODELIST entry.
1486 * This routine is called from lpfc_freenode(), when we are removing
1487 * a LPFC_NODELIST entry. It is also called if the driver initiates a
1488 * LOGO that completes successfully, and we are waiting to PLOGI back
1489 * to the remote NPort. In addition, it is called after we receive
1490 * and unsolicated ELS cmd, send back a rsp, the rsp completes and
1491 * we are waiting to PLOGI back to the remote NPort.
1494 lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1499 if (ndlp->nlp_rpi) {
1500 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
1501 lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox);
1502 mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
1503 rc = lpfc_sli_issue_mbox
1504 (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
1505 if (rc == MBX_NOT_FINISHED)
1506 mempool_free( mbox, phba->mbox_mem_pool);
1508 lpfc_no_rpi(phba, ndlp);
1516 * Free resources associated with LPFC_NODELIST entry
1517 * so it can be freed.
1520 lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1523 LPFC_MBOXQ_t *nextmb;
1524 struct lpfc_dmabuf *mp;
1526 /* Cleanup node for NPort <nlp_DID> */
1527 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1528 "%d:0900 Cleanup node for NPort x%x "
1529 "Data: x%x x%x x%x\n",
1530 phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
1531 ndlp->nlp_state, ndlp->nlp_rpi);
1533 lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ);
1536 * if unloading the driver - just leave the remote port in place.
1537 * The driver unload will force the attached devices to detach
1538 * and flush cache's w/o generating flush errors.
1540 if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) {
1541 lpfc_unregister_remote_port(phba, ndlp);
1542 ndlp->nlp_sid = NLP_NO_SID;
1545 /* cleanup any ndlp on mbox q waiting for reglogin cmpl */
1546 if ((mb = phba->sli.mbox_active)) {
1547 if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
1548 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
1549 mb->context2 = NULL;
1550 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1553 list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
1554 if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
1555 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
1556 mp = (struct lpfc_dmabuf *) (mb->context1);
1558 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1561 list_del(&mb->list);
1562 mempool_free(mb, phba->mbox_mem_pool);
1566 lpfc_els_abort(phba,ndlp,0);
1567 spin_lock_irq(phba->host->host_lock);
1568 ndlp->nlp_flag &= ~(NLP_NODEV_TMO|NLP_DELAY_TMO);
1569 spin_unlock_irq(phba->host->host_lock);
1570 del_timer_sync(&ndlp->nlp_tmofunc);
1572 del_timer_sync(&ndlp->nlp_delayfunc);
1574 if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp))
1575 list_del_init(&ndlp->nodev_timeout_evt.evt_listp);
1576 if (!list_empty(&ndlp->els_retry_evt.evt_listp))
1577 list_del_init(&ndlp->els_retry_evt.evt_listp);
1579 lpfc_unreg_rpi(phba, ndlp);
1585 * Check to see if we can free the nlp back to the freelist.
1586 * If we are in the middle of using the nlp in the discovery state
1587 * machine, defer the free till we reach the end of the state machine.
1590 lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1592 if (ndlp->nlp_flag & NLP_NODEV_TMO) {
1593 spin_lock_irq(phba->host->host_lock);
1594 ndlp->nlp_flag &= ~NLP_NODEV_TMO;
1595 spin_unlock_irq(phba->host->host_lock);
1596 del_timer_sync(&ndlp->nlp_tmofunc);
1597 if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp))
1598 list_del_init(&ndlp->nodev_timeout_evt.evt_listp);
1603 if (ndlp->nlp_flag & NLP_DELAY_TMO) {
1604 spin_lock_irq(phba->host->host_lock);
1605 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
1606 spin_unlock_irq(phba->host->host_lock);
1607 del_timer_sync(&ndlp->nlp_delayfunc);
1608 if (!list_empty(&ndlp->els_retry_evt.evt_listp))
1609 list_del_init(&ndlp->els_retry_evt.evt_listp);
1612 if (ndlp->nlp_disc_refcnt) {
1613 spin_lock_irq(phba->host->host_lock);
1614 ndlp->nlp_flag |= NLP_DELAY_REMOVE;
1615 spin_unlock_irq(phba->host->host_lock);
1618 lpfc_freenode(phba, ndlp);
1619 mempool_free( ndlp, phba->nlp_mem_pool);
1625 lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
1631 if (did == Bcast_DID)
1634 if (ndlp->nlp_DID == 0) {
1638 /* First check for Direct match */
1639 if (ndlp->nlp_DID == did)
1642 /* Next check for area/domain identically equals 0 match */
1643 mydid.un.word = phba->fc_myDID;
1644 if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) {
1648 matchdid.un.word = did;
1649 ndlpdid.un.word = ndlp->nlp_DID;
1650 if (matchdid.un.b.id == ndlpdid.un.b.id) {
1651 if ((mydid.un.b.domain == matchdid.un.b.domain) &&
1652 (mydid.un.b.area == matchdid.un.b.area)) {
1653 if ((ndlpdid.un.b.domain == 0) &&
1654 (ndlpdid.un.b.area == 0)) {
1655 if (ndlpdid.un.b.id)
1661 matchdid.un.word = ndlp->nlp_DID;
1662 if ((mydid.un.b.domain == ndlpdid.un.b.domain) &&
1663 (mydid.un.b.area == ndlpdid.un.b.area)) {
1664 if ((matchdid.un.b.domain == 0) &&
1665 (matchdid.un.b.area == 0)) {
1666 if (matchdid.un.b.id)
1674 /* Search for a nodelist entry on a specific list */
1675 struct lpfc_nodelist *
1676 lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
1678 struct lpfc_nodelist *ndlp, *next_ndlp;
1681 if (order & NLP_SEARCH_UNMAPPED) {
1682 list_for_each_entry_safe(ndlp, next_ndlp,
1683 &phba->fc_nlpunmap_list, nlp_listp) {
1684 if (lpfc_matchdid(phba, ndlp, did)) {
1685 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1686 ((uint32_t) ndlp->nlp_xri << 16) |
1687 ((uint32_t) ndlp->nlp_type << 8) |
1688 ((uint32_t) ndlp->nlp_rpi & 0xff));
1689 /* FIND node DID unmapped */
1690 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1691 "%d:0929 FIND node DID unmapped"
1692 " Data: x%p x%x x%x x%x\n",
1694 ndlp, ndlp->nlp_DID,
1695 ndlp->nlp_flag, data1);
1701 if (order & NLP_SEARCH_MAPPED) {
1702 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1704 if (lpfc_matchdid(phba, ndlp, did)) {
1706 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1707 ((uint32_t) ndlp->nlp_xri << 16) |
1708 ((uint32_t) ndlp->nlp_type << 8) |
1709 ((uint32_t) ndlp->nlp_rpi & 0xff));
1710 /* FIND node DID mapped */
1711 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1712 "%d:0930 FIND node DID mapped "
1713 "Data: x%p x%x x%x x%x\n",
1715 ndlp, ndlp->nlp_DID,
1716 ndlp->nlp_flag, data1);
1722 if (order & NLP_SEARCH_PLOGI) {
1723 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1725 if (lpfc_matchdid(phba, ndlp, did)) {
1727 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1728 ((uint32_t) ndlp->nlp_xri << 16) |
1729 ((uint32_t) ndlp->nlp_type << 8) |
1730 ((uint32_t) ndlp->nlp_rpi & 0xff));
1731 /* LOG change to PLOGI */
1732 /* FIND node DID plogi */
1733 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1734 "%d:0908 FIND node DID plogi "
1735 "Data: x%p x%x x%x x%x\n",
1737 ndlp, ndlp->nlp_DID,
1738 ndlp->nlp_flag, data1);
1744 if (order & NLP_SEARCH_ADISC) {
1745 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1747 if (lpfc_matchdid(phba, ndlp, did)) {
1749 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1750 ((uint32_t) ndlp->nlp_xri << 16) |
1751 ((uint32_t) ndlp->nlp_type << 8) |
1752 ((uint32_t) ndlp->nlp_rpi & 0xff));
1753 /* LOG change to ADISC */
1754 /* FIND node DID adisc */
1755 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1756 "%d:0931 FIND node DID adisc "
1757 "Data: x%p x%x x%x x%x\n",
1759 ndlp, ndlp->nlp_DID,
1760 ndlp->nlp_flag, data1);
1766 if (order & NLP_SEARCH_REGLOGIN) {
1767 list_for_each_entry_safe(ndlp, next_ndlp,
1768 &phba->fc_reglogin_list, nlp_listp) {
1769 if (lpfc_matchdid(phba, ndlp, did)) {
1771 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1772 ((uint32_t) ndlp->nlp_xri << 16) |
1773 ((uint32_t) ndlp->nlp_type << 8) |
1774 ((uint32_t) ndlp->nlp_rpi & 0xff));
1775 /* LOG change to REGLOGIN */
1776 /* FIND node DID reglogin */
1777 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1778 "%d:0931 FIND node DID reglogin"
1779 " Data: x%p x%x x%x x%x\n",
1781 ndlp, ndlp->nlp_DID,
1782 ndlp->nlp_flag, data1);
1788 if (order & NLP_SEARCH_PRLI) {
1789 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1791 if (lpfc_matchdid(phba, ndlp, did)) {
1793 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1794 ((uint32_t) ndlp->nlp_xri << 16) |
1795 ((uint32_t) ndlp->nlp_type << 8) |
1796 ((uint32_t) ndlp->nlp_rpi & 0xff));
1797 /* LOG change to PRLI */
1798 /* FIND node DID prli */
1799 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1800 "%d:0931 FIND node DID prli "
1801 "Data: x%p x%x x%x x%x\n",
1803 ndlp, ndlp->nlp_DID,
1804 ndlp->nlp_flag, data1);
1810 if (order & NLP_SEARCH_NPR) {
1811 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1813 if (lpfc_matchdid(phba, ndlp, did)) {
1815 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1816 ((uint32_t) ndlp->nlp_xri << 16) |
1817 ((uint32_t) ndlp->nlp_type << 8) |
1818 ((uint32_t) ndlp->nlp_rpi & 0xff));
1819 /* LOG change to NPR */
1820 /* FIND node DID npr */
1821 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1822 "%d:0931 FIND node DID npr "
1823 "Data: x%p x%x x%x x%x\n",
1825 ndlp, ndlp->nlp_DID,
1826 ndlp->nlp_flag, data1);
1832 if (order & NLP_SEARCH_UNUSED) {
1833 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1835 if (lpfc_matchdid(phba, ndlp, did)) {
1837 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1838 ((uint32_t) ndlp->nlp_xri << 16) |
1839 ((uint32_t) ndlp->nlp_type << 8) |
1840 ((uint32_t) ndlp->nlp_rpi & 0xff));
1841 /* LOG change to UNUSED */
1842 /* FIND node DID unused */
1843 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1844 "%d:0931 FIND node DID unused "
1845 "Data: x%p x%x x%x x%x\n",
1847 ndlp, ndlp->nlp_DID,
1848 ndlp->nlp_flag, data1);
1854 /* FIND node did <did> NOT FOUND */
1855 lpfc_printf_log(phba,
1858 "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n",
1859 phba->brd_no, did, order);
1861 /* no match found */
1865 struct lpfc_nodelist *
1866 lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
1868 struct lpfc_nodelist *ndlp;
1871 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did);
1873 if ((phba->fc_flag & FC_RSCN_MODE) &&
1874 ((lpfc_rscn_payload_check(phba, did) == 0)))
1876 ndlp = (struct lpfc_nodelist *)
1877 mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
1880 lpfc_nlp_init(phba, ndlp, did);
1881 ndlp->nlp_state = NLP_STE_NPR_NODE;
1882 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1883 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1886 if (phba->fc_flag & FC_RSCN_MODE) {
1887 if (lpfc_rscn_payload_check(phba, did)) {
1888 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1890 /* Since this node is marked for discovery,
1891 * delay timeout is not needed.
1893 if (ndlp->nlp_flag & NLP_DELAY_TMO) {
1894 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
1895 spin_unlock_irq(phba->host->host_lock);
1896 del_timer_sync(&ndlp->nlp_delayfunc);
1897 spin_lock_irq(phba->host->host_lock);
1898 if (!list_empty(&ndlp->els_retry_evt.
1900 list_del_init(&ndlp->els_retry_evt.
1905 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
1910 flg = ndlp->nlp_flag & NLP_LIST_MASK;
1911 if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST))
1913 ndlp->nlp_state = NLP_STE_NPR_NODE;
1914 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1915 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1920 /* Build a list of nodes to discover based on the loopmap */
1922 lpfc_disc_list_loopmap(struct lpfc_hba * phba)
1925 uint32_t alpa, index;
1927 if (phba->hba_state <= LPFC_LINK_DOWN) {
1930 if (phba->fc_topology != TOPOLOGY_LOOP) {
1934 /* Check for loop map present or not */
1935 if (phba->alpa_map[0]) {
1936 for (j = 1; j <= phba->alpa_map[0]; j++) {
1937 alpa = phba->alpa_map[j];
1939 if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) {
1942 lpfc_setup_disc_node(phba, alpa);
1945 /* No alpamap, so try all alpa's */
1946 for (j = 0; j < FC_MAXLOOP; j++) {
1947 /* If cfg_scan_down is set, start from highest
1948 * ALPA (0xef) to lowest (0x1).
1950 if (phba->cfg_scan_down)
1953 index = FC_MAXLOOP - j - 1;
1954 alpa = lpfcAlpaArray[index];
1955 if ((phba->fc_myDID & 0xff) == alpa) {
1959 lpfc_setup_disc_node(phba, alpa);
1965 /* Start Link up / RSCN discovery on NPR list */
1967 lpfc_disc_start(struct lpfc_hba * phba)
1969 struct lpfc_sli *psli;
1971 struct lpfc_nodelist *ndlp, *next_ndlp;
1972 uint32_t did_changed, num_sent;
1973 uint32_t clear_la_pending;
1978 if (phba->hba_state <= LPFC_LINK_DOWN) {
1981 if (phba->hba_state == LPFC_CLEAR_LA)
1982 clear_la_pending = 1;
1984 clear_la_pending = 0;
1986 if (phba->hba_state < LPFC_HBA_READY) {
1987 phba->hba_state = LPFC_DISC_AUTH;
1989 lpfc_set_disctmo(phba);
1991 if (phba->fc_prevDID == phba->fc_myDID) {
1996 phba->fc_prevDID = phba->fc_myDID;
1997 phba->num_disc_nodes = 0;
1999 /* Start Discovery state <hba_state> */
2000 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
2001 "%d:0202 Start Discovery hba state x%x "
2002 "Data: x%x x%x x%x\n",
2003 phba->brd_no, phba->hba_state, phba->fc_flag,
2004 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
2006 /* If our did changed, we MUST do PLOGI */
2007 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
2009 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
2011 spin_lock_irq(phba->host->host_lock);
2012 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
2013 spin_unlock_irq(phba->host->host_lock);
2018 /* First do ADISCs - if any */
2019 num_sent = lpfc_els_disc_adisc(phba);
2024 if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) {
2025 /* If we get here, there is nothing to ADISC */
2026 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
2027 phba->hba_state = LPFC_CLEAR_LA;
2028 lpfc_clear_la(phba, mbox);
2029 mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
2030 rc = lpfc_sli_issue_mbox(phba, mbox,
2031 (MBX_NOWAIT | MBX_STOP_IOCB));
2032 if (rc == MBX_NOT_FINISHED) {
2033 mempool_free( mbox, phba->mbox_mem_pool);
2034 lpfc_disc_flush_list(phba);
2035 psli->ring[(psli->ip_ring)].flag &=
2036 ~LPFC_STOP_IOCB_EVENT;
2037 psli->ring[(psli->fcp_ring)].flag &=
2038 ~LPFC_STOP_IOCB_EVENT;
2039 psli->ring[(psli->next_ring)].flag &=
2040 ~LPFC_STOP_IOCB_EVENT;
2041 phba->hba_state = LPFC_HBA_READY;
2045 /* Next do PLOGIs - if any */
2046 num_sent = lpfc_els_disc_plogi(phba);
2051 if (phba->fc_flag & FC_RSCN_MODE) {
2052 /* Check to see if more RSCNs came in while we
2053 * were processing this one.
2055 if ((phba->fc_rscn_id_cnt == 0) &&
2056 (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
2057 spin_lock_irq(phba->host->host_lock);
2058 phba->fc_flag &= ~FC_RSCN_MODE;
2059 spin_unlock_irq(phba->host->host_lock);
2062 lpfc_els_handle_rscn(phba);
2069 * Ignore completion for all IOCBs on tx and txcmpl queue for ELS
2070 * ring the match the sppecified nodelist.
2073 lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
2075 struct lpfc_sli *psli;
2077 struct lpfc_iocbq *iocb, *next_iocb;
2078 struct lpfc_sli_ring *pring;
2079 struct lpfc_dmabuf *mp;
2082 pring = &psli->ring[LPFC_ELS_RING];
2084 /* Error matching iocb on txq or txcmplq
2085 * First check the txq.
2087 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
2088 if (iocb->context1 != ndlp) {
2092 if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
2093 (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
2095 list_del(&iocb->list);
2097 lpfc_els_free_iocb(phba, iocb);
2101 /* Next check the txcmplq */
2102 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
2103 if (iocb->context1 != ndlp) {
2107 if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
2108 (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
2110 iocb->iocb_cmpl = NULL;
2111 /* context2 = cmd, context2->next = rsp, context3 =
2113 if (iocb->context2) {
2114 /* Free the response IOCB before handling the
2117 mp = (struct lpfc_dmabuf *) (iocb->context2);
2118 mp = list_get_first(&mp->list,
2122 /* Delay before releasing rsp buffer to
2123 * give UNREG mbox a chance to take
2127 &phba->freebufList);
2129 lpfc_mbuf_free(phba,
2130 ((struct lpfc_dmabuf *)
2131 iocb->context2)->virt,
2132 ((struct lpfc_dmabuf *)
2133 iocb->context2)->phys);
2134 kfree(iocb->context2);
2137 if (iocb->context3) {
2138 lpfc_mbuf_free(phba,
2139 ((struct lpfc_dmabuf *)
2140 iocb->context3)->virt,
2141 ((struct lpfc_dmabuf *)
2142 iocb->context3)->phys);
2143 kfree(iocb->context3);
2152 lpfc_disc_flush_list(struct lpfc_hba * phba)
2154 struct lpfc_nodelist *ndlp, *next_ndlp;
2156 if (phba->fc_plogi_cnt) {
2157 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
2159 lpfc_free_tx(phba, ndlp);
2160 lpfc_nlp_remove(phba, ndlp);
2163 if (phba->fc_adisc_cnt) {
2164 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
2166 lpfc_free_tx(phba, ndlp);
2167 lpfc_nlp_remove(phba, ndlp);
2173 /*****************************************************************************/
2175 * NAME: lpfc_disc_timeout
2177 * FUNCTION: Fibre Channel driver discovery timeout routine.
2179 * EXECUTION ENVIRONMENT: interrupt only
2187 /*****************************************************************************/
2189 lpfc_disc_timeout(unsigned long ptr)
2191 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
2192 unsigned long flags = 0;
2194 if (unlikely(!phba))
2197 spin_lock_irqsave(phba->host->host_lock, flags);
2198 if (!(phba->work_hba_events & WORKER_DISC_TMO)) {
2199 phba->work_hba_events |= WORKER_DISC_TMO;
2200 if (phba->work_wait)
2201 wake_up(phba->work_wait);
2203 spin_unlock_irqrestore(phba->host->host_lock, flags);
2208 lpfc_disc_timeout_handler(struct lpfc_hba *phba)
2210 struct lpfc_sli *psli;
2211 struct lpfc_nodelist *ndlp, *next_ndlp;
2212 LPFC_MBOXQ_t *clearlambox, *initlinkmbox;
2213 int rc, clrlaerr = 0;
2215 if (unlikely(!phba))
2218 if (!(phba->fc_flag & FC_DISC_TMO))
2223 spin_lock_irq(phba->host->host_lock);
2224 phba->fc_flag &= ~FC_DISC_TMO;
2225 spin_unlock_irq(phba->host->host_lock);
2227 switch (phba->hba_state) {
2229 case LPFC_LOCAL_CFG_LINK:
2230 /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */
2232 lpfc_printf_log(phba,
2235 "%d:0221 FAN timeout\n",
2238 /* Start discovery by sending FLOGI, clean up old rpis */
2239 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
2241 if (ndlp->nlp_type & NLP_FABRIC) {
2242 /* Clean up the ndlp on Fabric connections */
2243 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
2245 else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
2246 /* Fail outstanding IO now since device
2247 * is marked for PLOGI.
2249 lpfc_unreg_rpi(phba, ndlp);
2252 phba->hba_state = LPFC_FLOGI;
2253 lpfc_set_disctmo(phba);
2254 lpfc_initial_flogi(phba);
2258 /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */
2259 /* Initial FLOGI timeout */
2260 lpfc_printf_log(phba,
2263 "%d:0222 Initial FLOGI timeout\n",
2266 /* Assume no Fabric and go on with discovery.
2267 * Check for outstanding ELS FLOGI to abort.
2270 /* FLOGI failed, so just use loop map to make discovery list */
2271 lpfc_disc_list_loopmap(phba);
2273 /* Start discovery */
2274 lpfc_disc_start(phba);
2277 case LPFC_FABRIC_CFG_LINK:
2278 /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for
2280 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2281 "%d:0223 Timeout while waiting for NameServer "
2282 "login\n", phba->brd_no);
2284 /* Next look for NameServer ndlp */
2285 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
2287 lpfc_nlp_remove(phba, ndlp);
2288 /* Start discovery */
2289 lpfc_disc_start(phba);
2293 /* Check for wait for NameServer Rsp timeout */
2294 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2295 "%d:0224 NameServer Query timeout "
2298 phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
2300 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
2303 if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) {
2304 /* Try it one more time */
2305 rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT);
2309 phba->fc_ns_retry = 0;
2312 /* Nothing to authenticate, so CLEAR_LA right now */
2313 clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2316 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2317 "%d:0226 Device Discovery "
2318 "completion error\n",
2320 phba->hba_state = LPFC_HBA_ERROR;
2324 phba->hba_state = LPFC_CLEAR_LA;
2325 lpfc_clear_la(phba, clearlambox);
2326 clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
2327 rc = lpfc_sli_issue_mbox(phba, clearlambox,
2328 (MBX_NOWAIT | MBX_STOP_IOCB));
2329 if (rc == MBX_NOT_FINISHED) {
2330 mempool_free(clearlambox, phba->mbox_mem_pool);
2335 /* Setup and issue mailbox INITIALIZE LINK command */
2336 initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2337 if (!initlinkmbox) {
2338 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2339 "%d:0226 Device Discovery "
2340 "completion error\n",
2342 phba->hba_state = LPFC_HBA_ERROR;
2346 lpfc_linkdown(phba);
2347 lpfc_init_link(phba, initlinkmbox, phba->cfg_topology,
2348 phba->cfg_link_speed);
2349 initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
2350 rc = lpfc_sli_issue_mbox(phba, initlinkmbox,
2351 (MBX_NOWAIT | MBX_STOP_IOCB));
2352 if (rc == MBX_NOT_FINISHED)
2353 mempool_free(initlinkmbox, phba->mbox_mem_pool);
2357 case LPFC_DISC_AUTH:
2358 /* Node Authentication timeout */
2359 lpfc_printf_log(phba,
2362 "%d:0227 Node Authentication timeout\n",
2364 lpfc_disc_flush_list(phba);
2365 clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2368 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2369 "%d:0226 Device Discovery "
2370 "completion error\n",
2372 phba->hba_state = LPFC_HBA_ERROR;
2375 phba->hba_state = LPFC_CLEAR_LA;
2376 lpfc_clear_la(phba, clearlambox);
2377 clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
2378 rc = lpfc_sli_issue_mbox(phba, clearlambox,
2379 (MBX_NOWAIT | MBX_STOP_IOCB));
2380 if (rc == MBX_NOT_FINISHED) {
2381 mempool_free(clearlambox, phba->mbox_mem_pool);
2387 /* CLEAR LA timeout */
2388 lpfc_printf_log(phba,
2391 "%d:0228 CLEAR LA timeout\n",
2396 case LPFC_HBA_READY:
2397 if (phba->fc_flag & FC_RSCN_MODE) {
2398 lpfc_printf_log(phba,
2401 "%d:0231 RSCN timeout Data: x%x x%x\n",
2403 phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
2405 /* Cleanup any outstanding ELS commands */
2406 lpfc_els_flush_cmd(phba);
2408 lpfc_els_flush_rscn(phba);
2409 lpfc_disc_flush_list(phba);
2415 lpfc_disc_flush_list(phba);
2416 psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
2417 psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
2418 psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
2419 phba->hba_state = LPFC_HBA_READY;
2426 lpfc_nodev_timeout(unsigned long ptr)
2428 struct lpfc_hba *phba;
2429 struct lpfc_nodelist *ndlp;
2430 unsigned long iflag;
2431 struct lpfc_work_evt *evtp;
2433 ndlp = (struct lpfc_nodelist *)ptr;
2434 phba = ndlp->nlp_phba;
2435 evtp = &ndlp->nodev_timeout_evt;
2436 spin_lock_irqsave(phba->host->host_lock, iflag);
2438 if (!list_empty(&evtp->evt_listp)) {
2439 spin_unlock_irqrestore(phba->host->host_lock, iflag);
2442 evtp->evt_arg1 = ndlp;
2443 evtp->evt = LPFC_EVT_NODEV_TMO;
2444 list_add_tail(&evtp->evt_listp, &phba->work_list);
2445 if (phba->work_wait)
2446 wake_up(phba->work_wait);
2448 spin_unlock_irqrestore(phba->host->host_lock, iflag);
2454 * This routine handles processing a NameServer REG_LOGIN mailbox
2455 * command upon completion. It is setup in the LPFC_MBOXQ
2456 * as the completion routine when the command is
2457 * handed off to the SLI layer.
2460 lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
2462 struct lpfc_sli *psli;
2464 struct lpfc_dmabuf *mp;
2465 struct lpfc_nodelist *ndlp;
2470 ndlp = (struct lpfc_nodelist *) pmb->context2;
2471 mp = (struct lpfc_dmabuf *) (pmb->context1);
2473 pmb->context1 = NULL;
2475 ndlp->nlp_rpi = mb->un.varWords[0];
2476 ndlp->nlp_type |= NLP_FABRIC;
2477 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
2478 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
2480 /* Start issuing Fabric-Device Management Interface (FDMI)
2481 * command to 0xfffffa (FDMI well known port)
2483 if (phba->cfg_fdmi_on == 1) {
2484 lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA);
2487 * Delay issuing FDMI command if fdmi-on=2
2488 * (supporting RPA/hostnmae)
2490 mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60);
2493 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2495 mempool_free( pmb, phba->mbox_mem_pool);
2501 * This routine looks up the ndlp lists
2502 * for the given RPI. If rpi found
2503 * it return the node list pointer
2506 struct lpfc_nodelist *
2507 lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi)
2509 struct lpfc_nodelist *ndlp;
2510 struct list_head * lists[]={&phba->fc_nlpunmap_list,
2511 &phba->fc_nlpmap_list,
2512 &phba->fc_plogi_list,
2513 &phba->fc_adisc_list,
2514 &phba->fc_reglogin_list};
2517 for (i = 0; i < ARRAY_SIZE(lists); i++ )
2518 list_for_each_entry(ndlp, lists[i], nlp_listp)
2519 if (ndlp->nlp_rpi == rpi)
2526 lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
2529 memset(ndlp, 0, sizeof (struct lpfc_nodelist));
2530 INIT_LIST_HEAD(&ndlp->nodev_timeout_evt.evt_listp);
2531 INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp);
2532 init_timer(&ndlp->nlp_tmofunc);
2533 ndlp->nlp_tmofunc.function = lpfc_nodev_timeout;
2534 ndlp->nlp_tmofunc.data = (unsigned long)ndlp;
2535 init_timer(&ndlp->nlp_delayfunc);
2536 ndlp->nlp_delayfunc.function = lpfc_els_retry_delay;
2537 ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
2538 ndlp->nlp_DID = did;
2539 ndlp->nlp_phba = phba;
2540 ndlp->nlp_sid = NLP_NO_SID;