1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 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"
39 #include "lpfc_vport.h"
41 /* AlpaArray for assignment of scsid for scan-down and bind_method */
42 static uint8_t lpfcAlpaArray
[] = {
43 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6,
44 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA,
45 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5,
46 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9,
47 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97,
48 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79,
49 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B,
50 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56,
51 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A,
52 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35,
53 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29,
54 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17,
55 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01
58 static void lpfc_disc_timeout_handler(struct lpfc_vport
*);
61 lpfc_terminate_rport_io(struct fc_rport
*rport
)
63 struct lpfc_rport_data
*rdata
;
64 struct lpfc_nodelist
* ndlp
;
65 struct lpfc_hba
*phba
;
67 rdata
= rport
->dd_data
;
71 if (rport
->roles
& FC_RPORT_ROLE_FCP_TARGET
)
72 printk(KERN_ERR
"Cannot find remote node"
73 " to terminate I/O Data x%x\n",
78 phba
= ndlp
->vport
->phba
;
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
);
89 * This function will be called when dev_loss_tmo fire.
92 lpfc_dev_loss_tmo_callbk(struct fc_rport
*rport
)
94 struct lpfc_rport_data
*rdata
;
95 struct lpfc_nodelist
* ndlp
;
98 struct lpfc_hba
*phba
;
99 struct lpfc_vport
*vport
;
103 rdata
= rport
->dd_data
;
107 if (rport
->scsi_target_id
!= -1) {
108 printk(KERN_ERR
"Cannot find remote node"
109 " for rport in dev_loss_tmo_callbk x%x\n",
115 if (ndlp
->nlp_type
& NLP_FABRIC
) {
116 /* We will clean up these Nodes in linkup */
117 put_node
= rdata
->pnode
!= NULL
;
118 put_rport
= ndlp
->rport
!= NULL
;
124 put_device(&rport
->dev
);
128 name
= (uint8_t *)&ndlp
->nlp_portname
;
132 if (!(vport
->load_flag
& FC_UNLOADING
) &&
133 ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
)
137 if (ndlp
->nlp_sid
!= NLP_NO_SID
) {
139 /* flush the target */
140 lpfc_sli_abort_iocb(phba
, &phba
->sli
.ring
[phba
->sli
.fcp_ring
],
141 ndlp
->nlp_sid
, 0, 0, LPFC_CTX_TGT
);
143 if (vport
->load_flag
& FC_UNLOADING
)
147 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
148 "%d (%d):0203 Devloss timeout on "
149 "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
150 "NPort x%x Data: x%x x%x x%x\n",
151 phba
->brd_no
, vport
->vpi
,
152 *name
, *(name
+1), *(name
+2), *(name
+3),
153 *(name
+4), *(name
+5), *(name
+6), *(name
+7),
154 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
155 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
157 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
158 "%d (%d):0204 Devloss timeout on "
159 "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
160 "NPort x%x Data: x%x x%x x%x\n",
161 phba
->brd_no
, vport
->vpi
,
162 *name
, *(name
+1), *(name
+2), *(name
+3),
163 *(name
+4), *(name
+5), *(name
+6), *(name
+7),
164 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
165 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
168 if (!(vport
->load_flag
& FC_UNLOADING
) &&
169 !(ndlp
->nlp_flag
& NLP_DELAY_TMO
) &&
170 !(ndlp
->nlp_flag
& NLP_NPR_2B_DISC
) &&
171 (ndlp
->nlp_state
!= NLP_STE_UNMAPPED_NODE
))
172 lpfc_disc_state_machine(vport
, ndlp
, NULL
, NLP_EVT_DEVICE_RM
);
174 put_node
= rdata
->pnode
!= NULL
;
175 put_rport
= ndlp
->rport
!= NULL
;
181 put_device(&rport
->dev
);
188 lpfc_worker_wake_up(struct lpfc_hba
*phba
)
190 wake_up(phba
->work_wait
);
195 lpfc_work_list_done(struct lpfc_hba
*phba
)
197 struct lpfc_work_evt
*evtp
= NULL
;
198 struct lpfc_nodelist
*ndlp
;
199 struct lpfc_vport
*vport
;
202 spin_lock_irq(&phba
->hbalock
);
203 while (!list_empty(&phba
->work_list
)) {
204 list_remove_head((&phba
->work_list
), evtp
, typeof(*evtp
),
206 spin_unlock_irq(&phba
->hbalock
);
209 case LPFC_EVT_DEV_LOSS
:
210 free_evt
= 0; /* evt is part of ndlp */
211 ndlp
= (struct lpfc_nodelist
*) (evtp
->evt_arg1
);
215 if (!(vport
->load_flag
& FC_UNLOADING
) &&
216 !(ndlp
->nlp_flag
& NLP_DELAY_TMO
) &&
217 !(ndlp
->nlp_flag
& NLP_NPR_2B_DISC
)) {
218 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
222 case LPFC_EVT_ELS_RETRY
:
223 ndlp
= (struct lpfc_nodelist
*) (evtp
->evt_arg1
);
224 lpfc_els_retry_delay_handler(ndlp
);
225 free_evt
= 0; /* evt is part of ndlp */
227 case LPFC_EVT_ONLINE
:
228 if (phba
->link_state
< LPFC_LINK_DOWN
)
229 *(int *) (evtp
->evt_arg1
) = lpfc_online(phba
);
231 *(int *) (evtp
->evt_arg1
) = 0;
232 complete((struct completion
*)(evtp
->evt_arg2
));
234 case LPFC_EVT_OFFLINE_PREP
:
235 if (phba
->link_state
>= LPFC_LINK_DOWN
)
236 lpfc_offline_prep(phba
);
237 *(int *)(evtp
->evt_arg1
) = 0;
238 complete((struct completion
*)(evtp
->evt_arg2
));
240 case LPFC_EVT_OFFLINE
:
242 lpfc_sli_brdrestart(phba
);
243 *(int *)(evtp
->evt_arg1
) =
244 lpfc_sli_brdready(phba
, HS_FFRDY
| HS_MBRDY
);
245 lpfc_unblock_mgmt_io(phba
);
246 complete((struct completion
*)(evtp
->evt_arg2
));
248 case LPFC_EVT_WARM_START
:
250 lpfc_reset_barrier(phba
);
251 lpfc_sli_brdreset(phba
);
252 lpfc_hba_down_post(phba
);
253 *(int *)(evtp
->evt_arg1
) =
254 lpfc_sli_brdready(phba
, HS_MBRDY
);
255 lpfc_unblock_mgmt_io(phba
);
256 complete((struct completion
*)(evtp
->evt_arg2
));
260 *(int *)(evtp
->evt_arg1
)
261 = (phba
->pport
->stopped
)
262 ? 0 : lpfc_sli_brdkill(phba
);
263 lpfc_unblock_mgmt_io(phba
);
264 complete((struct completion
*)(evtp
->evt_arg2
));
269 spin_lock_irq(&phba
->hbalock
);
271 spin_unlock_irq(&phba
->hbalock
);
276 lpfc_work_done(struct lpfc_hba
*phba
)
278 struct lpfc_sli_ring
*pring
;
279 uint32_t ha_copy
, control
, work_port_events
;
280 struct lpfc_vport
*vport
;
283 spin_lock_irq(&phba
->hbalock
);
284 ha_copy
= phba
->work_ha
;
286 spin_unlock_irq(&phba
->hbalock
);
288 if (ha_copy
& HA_ERATT
)
289 lpfc_handle_eratt(phba
);
291 if (ha_copy
& HA_MBATT
)
292 lpfc_sli_handle_mb_event(phba
);
294 if (ha_copy
& HA_LATT
)
295 lpfc_handle_latt(phba
);
297 spin_lock_irq(&phba
->hbalock
);
298 list_for_each_entry(vport
, &phba
->port_list
, listentry
) {
299 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
301 if (!scsi_host_get(shost
)) {
304 spin_unlock_irq(&phba
->hbalock
);
305 work_port_events
= vport
->work_port_events
;
307 if (work_port_events
& WORKER_DISC_TMO
)
308 lpfc_disc_timeout_handler(vport
);
310 if (work_port_events
& WORKER_ELS_TMO
)
311 lpfc_els_timeout_handler(vport
);
313 if (work_port_events
& WORKER_MBOX_TMO
)
314 lpfc_mbox_timeout_handler(phba
);
316 if (work_port_events
& WORKER_FABRIC_BLOCK_TMO
)
317 lpfc_unblock_fabric_iocbs(phba
);
319 if (work_port_events
& WORKER_FDMI_TMO
)
320 lpfc_fdmi_timeout_handler(vport
);
322 if (work_port_events
& WORKER_RAMP_DOWN_QUEUE
)
323 lpfc_ramp_down_queue_handler(phba
);
325 if (work_port_events
& WORKER_RAMP_UP_QUEUE
)
326 lpfc_ramp_up_queue_handler(phba
);
328 spin_lock_irq(&vport
->work_port_lock
);
329 vport
->work_port_events
&= ~work_port_events
;
330 spin_unlock_irq(&vport
->work_port_lock
);
331 scsi_host_put(shost
);
332 spin_lock_irq(&phba
->hbalock
);
334 spin_unlock_irq(&phba
->hbalock
);
336 for (i
= 0; i
< phba
->sli
.num_rings
; i
++, ha_copy
>>= 4) {
337 pring
= &phba
->sli
.ring
[i
];
338 if ((ha_copy
& HA_RXATT
)
339 || (pring
->flag
& LPFC_DEFERRED_RING_EVENT
)) {
340 if (pring
->flag
& LPFC_STOP_IOCB_MASK
) {
341 pring
->flag
|= LPFC_DEFERRED_RING_EVENT
;
343 lpfc_sli_handle_slow_ring_event(phba
, pring
,
346 pring
->flag
&= ~LPFC_DEFERRED_RING_EVENT
;
349 * Turn on Ring interrupts
351 spin_lock_irq(&phba
->hbalock
);
352 control
= readl(phba
->HCregaddr
);
353 control
|= (HC_R0INT_ENA
<< i
);
354 writel(control
, phba
->HCregaddr
);
355 readl(phba
->HCregaddr
); /* flush */
356 spin_unlock_irq(&phba
->hbalock
);
360 lpfc_work_list_done(phba
);
364 check_work_wait_done(struct lpfc_hba
*phba
)
366 struct lpfc_vport
*vport
;
367 struct lpfc_sli_ring
*pring
;
370 spin_lock_irq(&phba
->hbalock
);
371 list_for_each_entry(vport
, &phba
->port_list
, listentry
) {
372 if (vport
->work_port_events
) {
378 if (phba
->work_ha
|| (!list_empty(&phba
->work_list
)) ||
379 kthread_should_stop()) {
383 for (i
= 0; i
< phba
->sli
.num_rings
; i
++) {
384 pring
= &phba
->sli
.ring
[i
];
385 if (pring
->flag
& LPFC_DEFERRED_RING_EVENT
) {
394 phba
->work_found
= 0;
396 spin_unlock_irq(&phba
->hbalock
);
402 lpfc_do_work(void *p
)
404 struct lpfc_hba
*phba
= p
;
406 DECLARE_WAIT_QUEUE_HEAD_ONSTACK(work_waitq
);
408 set_user_nice(current
, -20);
409 phba
->work_wait
= &work_waitq
;
410 phba
->work_found
= 0;
414 rc
= wait_event_interruptible(work_waitq
,
415 check_work_wait_done(phba
));
419 if (kthread_should_stop())
422 lpfc_work_done(phba
);
424 /* If there is alot of slow ring work, like during link up
425 * check_work_wait_done() may cause this thread to not give
426 * up the CPU for very long periods of time. This may cause
427 * soft lockups or other problems. To avoid these situations
428 * give up the CPU here after LPFC_MAX_WORKER_ITERATION
429 * consecutive iterations.
431 if (phba
->work_found
>= LPFC_MAX_WORKER_ITERATION
) {
432 phba
->work_found
= 0;
436 phba
->work_wait
= NULL
;
441 * This is only called to handle FC worker events. Since this a rare
442 * occurance, we allocate a struct lpfc_work_evt structure here instead of
443 * embedding it in the IOCB.
446 lpfc_workq_post_event(struct lpfc_hba
*phba
, void *arg1
, void *arg2
,
449 struct lpfc_work_evt
*evtp
;
453 * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will
454 * be queued to worker thread for processing
456 evtp
= kmalloc(sizeof(struct lpfc_work_evt
), GFP_ATOMIC
);
460 evtp
->evt_arg1
= arg1
;
461 evtp
->evt_arg2
= arg2
;
464 spin_lock_irqsave(&phba
->hbalock
, flags
);
465 list_add_tail(&evtp
->evt_listp
, &phba
->work_list
);
467 lpfc_worker_wake_up(phba
);
468 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
474 lpfc_cleanup_rpis(struct lpfc_vport
*vport
, int remove
)
476 struct lpfc_hba
*phba
= vport
->phba
;
477 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
480 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
481 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
484 if (phba
->sli3_options
& LPFC_SLI3_VPORT_TEARDOWN
)
485 lpfc_unreg_rpi(vport
, ndlp
);
487 /* Leave Fabric nodes alone on link down */
488 if (!remove
&& ndlp
->nlp_type
& NLP_FABRIC
)
490 rc
= lpfc_disc_state_machine(vport
, ndlp
, NULL
,
493 : NLP_EVT_DEVICE_RECOVERY
);
495 if (phba
->sli3_options
& LPFC_SLI3_VPORT_TEARDOWN
) {
496 lpfc_mbx_unreg_vpi(vport
);
497 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
502 lpfc_linkdown_port(struct lpfc_vport
*vport
)
504 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
505 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
507 fc_host_post_event(shost
, fc_get_event_number(), FCH_EVT_LINKDOWN
, 0);
509 /* Cleanup any outstanding RSCN activity */
510 lpfc_els_flush_rscn(vport
);
512 /* Cleanup any outstanding ELS commands */
513 lpfc_els_flush_cmd(vport
);
515 lpfc_cleanup_rpis(vport
, 0);
517 /* free any ndlp's on unused list */
518 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
)
519 /* free any ndlp's in unused state */
520 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
521 lpfc_drop_node(vport
, ndlp
);
523 /* Turn off discovery timer if its running */
524 lpfc_can_disctmo(vport
);
528 lpfc_linkdown(struct lpfc_hba
*phba
)
530 struct lpfc_vport
*vport
= phba
->pport
;
531 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
532 struct lpfc_vport
*port_iterator
;
535 if (phba
->link_state
== LPFC_LINK_DOWN
) {
538 spin_lock_irq(&phba
->hbalock
);
539 if (phba
->link_state
> LPFC_LINK_DOWN
) {
540 phba
->link_state
= LPFC_LINK_DOWN
;
541 phba
->pport
->fc_flag
&= ~FC_LBIT
;
543 spin_unlock_irq(&phba
->hbalock
);
545 list_for_each_entry(port_iterator
, &phba
->port_list
, listentry
) {
547 /* Issue a LINK DOWN event to all nodes */
548 lpfc_linkdown_port(port_iterator
);
551 /* Clean up any firmware default rpi's */
552 mb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
554 lpfc_unreg_did(phba
, 0xffff, 0xffffffff, mb
);
556 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
557 if (lpfc_sli_issue_mbox(phba
, mb
, (MBX_NOWAIT
| MBX_STOP_IOCB
))
558 == MBX_NOT_FINISHED
) {
559 mempool_free(mb
, phba
->mbox_mem_pool
);
563 /* Setup myDID for link up if we are in pt2pt mode */
564 if (phba
->pport
->fc_flag
& FC_PT2PT
) {
565 phba
->pport
->fc_myDID
= 0;
566 mb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
568 lpfc_config_link(phba
, mb
);
569 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
571 if (lpfc_sli_issue_mbox(phba
, mb
,
572 (MBX_NOWAIT
| MBX_STOP_IOCB
))
573 == MBX_NOT_FINISHED
) {
574 mempool_free(mb
, phba
->mbox_mem_pool
);
577 spin_lock_irq(shost
->host_lock
);
578 phba
->pport
->fc_flag
&= ~(FC_PT2PT
| FC_PT2PT_PLOGI
);
579 spin_unlock_irq(shost
->host_lock
);
586 lpfc_linkup_cleanup_nodes(struct lpfc_vport
*vport
)
588 struct lpfc_nodelist
*ndlp
;
590 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
591 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
594 if (ndlp
->nlp_type
& NLP_FABRIC
) {
595 /* On Linkup its safe to clean up the ndlp
596 * from Fabric connections.
598 if (ndlp
->nlp_DID
!= Fabric_DID
)
599 lpfc_unreg_rpi(vport
, ndlp
);
600 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_NPR_NODE
);
601 } else if (!(ndlp
->nlp_flag
& NLP_NPR_ADISC
)) {
602 /* Fail outstanding IO now since device is
605 lpfc_unreg_rpi(vport
, ndlp
);
611 lpfc_linkup_port(struct lpfc_vport
*vport
)
613 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
614 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
615 struct lpfc_hba
*phba
= vport
->phba
;
617 if ((vport
->load_flag
& FC_UNLOADING
) != 0)
620 /* If NPIV is not enabled, only bring the physical port up */
621 if (!(phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
) &&
622 (vport
!= phba
->pport
))
625 fc_host_post_event(shost
, fc_get_event_number(), FCH_EVT_LINKUP
, 0);
627 spin_lock_irq(shost
->host_lock
);
628 vport
->fc_flag
&= ~(FC_PT2PT
| FC_PT2PT_PLOGI
| FC_ABORT_DISCOVERY
|
629 FC_RSCN_MODE
| FC_NLP_MORE
| FC_RSCN_DISCOVERY
);
630 vport
->fc_flag
|= FC_NDISC_ACTIVE
;
631 vport
->fc_ns_retry
= 0;
632 spin_unlock_irq(shost
->host_lock
);
634 if (vport
->fc_flag
& FC_LBIT
)
635 lpfc_linkup_cleanup_nodes(vport
);
637 /* free any ndlp's in unused state */
638 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
,
640 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
641 lpfc_drop_node(vport
, ndlp
);
645 lpfc_linkup(struct lpfc_hba
*phba
)
647 struct lpfc_vport
*vport
;
649 phba
->link_state
= LPFC_LINK_UP
;
651 /* Unblock fabric iocbs if they are blocked */
652 clear_bit(FABRIC_COMANDS_BLOCKED
, &phba
->bit_flags
);
653 del_timer_sync(&phba
->fabric_block_timer
);
655 list_for_each_entry(vport
, &phba
->port_list
, listentry
) {
656 lpfc_linkup_port(vport
);
658 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
659 lpfc_issue_clear_la(phba
, phba
->pport
);
665 * This routine handles processing a CLEAR_LA mailbox
666 * command upon completion. It is setup in the LPFC_MBOXQ
667 * as the completion routine when the command is
668 * handed off to the SLI layer.
671 lpfc_mbx_cmpl_clear_la(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
673 struct lpfc_vport
*vport
= pmb
->vport
;
674 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
675 struct lpfc_sli
*psli
= &phba
->sli
;
676 MAILBOX_t
*mb
= &pmb
->mb
;
679 /* Since we don't do discovery right now, turn these off here */
680 psli
->ring
[psli
->extra_ring
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
681 psli
->ring
[psli
->fcp_ring
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
682 psli
->ring
[psli
->next_ring
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
684 /* Check for error */
685 if ((mb
->mbxStatus
) && (mb
->mbxStatus
!= 0x1601)) {
686 /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */
687 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
688 "%d (%d):0320 CLEAR_LA mbxStatus error x%x hba "
690 phba
->brd_no
, vport
->vpi
, mb
->mbxStatus
,
693 phba
->link_state
= LPFC_HBA_ERROR
;
697 if (vport
->port_type
== LPFC_PHYSICAL_PORT
)
698 phba
->link_state
= LPFC_HBA_READY
;
700 spin_lock_irq(&phba
->hbalock
);
701 psli
->sli_flag
|= LPFC_PROCESS_LA
;
702 control
= readl(phba
->HCregaddr
);
703 control
|= HC_LAINT_ENA
;
704 writel(control
, phba
->HCregaddr
);
705 readl(phba
->HCregaddr
); /* flush */
706 spin_unlock_irq(&phba
->hbalock
);
709 vport
->num_disc_nodes
= 0;
710 /* go thru NPR nodes and issue ELS PLOGIs */
711 if (vport
->fc_npr_cnt
)
712 lpfc_els_disc_plogi(vport
);
714 if (!vport
->num_disc_nodes
) {
715 spin_lock_irq(shost
->host_lock
);
716 vport
->fc_flag
&= ~FC_NDISC_ACTIVE
;
717 spin_unlock_irq(shost
->host_lock
);
720 vport
->port_state
= LPFC_VPORT_READY
;
723 /* Device Discovery completes */
724 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
725 "%d (%d):0225 Device Discovery completes\n",
726 phba
->brd_no
, vport
->vpi
);
728 mempool_free(pmb
, phba
->mbox_mem_pool
);
730 spin_lock_irq(shost
->host_lock
);
731 vport
->fc_flag
&= ~(FC_ABORT_DISCOVERY
| FC_ESTABLISH_LINK
);
732 spin_unlock_irq(shost
->host_lock
);
734 del_timer_sync(&phba
->fc_estabtmo
);
736 lpfc_can_disctmo(vport
);
738 /* turn on Link Attention interrupts */
740 spin_lock_irq(&phba
->hbalock
);
741 psli
->sli_flag
|= LPFC_PROCESS_LA
;
742 control
= readl(phba
->HCregaddr
);
743 control
|= HC_LAINT_ENA
;
744 writel(control
, phba
->HCregaddr
);
745 readl(phba
->HCregaddr
); /* flush */
746 spin_unlock_irq(&phba
->hbalock
);
753 lpfc_mbx_cmpl_local_config_link(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
755 struct lpfc_vport
*vport
= pmb
->vport
;
757 if (pmb
->mb
.mbxStatus
)
760 mempool_free(pmb
, phba
->mbox_mem_pool
);
762 if (phba
->fc_topology
== TOPOLOGY_LOOP
&&
763 vport
->fc_flag
& FC_PUBLIC_LOOP
&&
764 !(vport
->fc_flag
& FC_LBIT
)) {
765 /* Need to wait for FAN - use discovery timer
766 * for timeout. port_state is identically
767 * LPFC_LOCAL_CFG_LINK while waiting for FAN
769 lpfc_set_disctmo(vport
);
773 /* Start discovery by sending a FLOGI. port_state is identically
774 * LPFC_FLOGI while waiting for FLOGI cmpl
776 if (vport
->port_state
!= LPFC_FLOGI
) {
777 vport
->port_state
= LPFC_FLOGI
;
778 lpfc_set_disctmo(vport
);
779 lpfc_initial_flogi(vport
);
784 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
785 "%d (%d):0306 CONFIG_LINK mbxStatus error x%x "
787 phba
->brd_no
, vport
->vpi
, pmb
->mb
.mbxStatus
,
790 mempool_free(pmb
, phba
->mbox_mem_pool
);
794 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
795 "%d (%d):0200 CONFIG_LINK bad hba state x%x\n",
796 phba
->brd_no
, vport
->vpi
, vport
->port_state
);
798 lpfc_issue_clear_la(phba
, vport
);
803 lpfc_mbx_cmpl_read_sparam(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
805 MAILBOX_t
*mb
= &pmb
->mb
;
806 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
807 struct lpfc_vport
*vport
= pmb
->vport
;
810 /* Check for error */
812 /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */
813 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
814 "%d (%d):0319 READ_SPARAM mbxStatus error x%x "
816 phba
->brd_no
, vport
->vpi
, mb
->mbxStatus
,
823 memcpy((uint8_t *) &vport
->fc_sparam
, (uint8_t *) mp
->virt
,
824 sizeof (struct serv_parm
));
825 if (phba
->cfg_soft_wwnn
)
826 u64_to_wwn(phba
->cfg_soft_wwnn
,
827 vport
->fc_sparam
.nodeName
.u
.wwn
);
828 if (phba
->cfg_soft_wwpn
)
829 u64_to_wwn(phba
->cfg_soft_wwpn
,
830 vport
->fc_sparam
.portName
.u
.wwn
);
831 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
832 sizeof(vport
->fc_nodename
));
833 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
834 sizeof(vport
->fc_portname
));
835 if (vport
->port_type
== LPFC_PHYSICAL_PORT
) {
836 memcpy(&phba
->wwnn
, &vport
->fc_nodename
, sizeof(phba
->wwnn
));
837 memcpy(&phba
->wwpn
, &vport
->fc_portname
, sizeof(phba
->wwnn
));
840 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
842 mempool_free(pmb
, phba
->mbox_mem_pool
);
846 pmb
->context1
= NULL
;
847 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
849 lpfc_issue_clear_la(phba
, vport
);
850 mempool_free(pmb
, phba
->mbox_mem_pool
);
855 lpfc_mbx_process_link_up(struct lpfc_hba
*phba
, READ_LA_VAR
*la
)
857 struct lpfc_vport
*vport
= phba
->pport
;
858 LPFC_MBOXQ_t
*sparam_mbox
, *cfglink_mbox
;
860 struct lpfc_dmabuf
*mp
;
863 sparam_mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
864 cfglink_mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
866 spin_lock_irq(&phba
->hbalock
);
867 switch (la
->UlnkSpeed
) {
869 phba
->fc_linkspeed
= LA_1GHZ_LINK
;
872 phba
->fc_linkspeed
= LA_2GHZ_LINK
;
875 phba
->fc_linkspeed
= LA_4GHZ_LINK
;
878 phba
->fc_linkspeed
= LA_8GHZ_LINK
;
881 phba
->fc_linkspeed
= LA_UNKNW_LINK
;
885 phba
->fc_topology
= la
->topology
;
886 phba
->link_flag
&= ~LS_NPIV_FAB_SUPPORTED
;
888 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
889 phba
->sli3_options
&= ~LPFC_SLI3_NPIV_ENABLED
;
891 /* Get Loop Map information */
893 vport
->fc_flag
|= FC_LBIT
;
895 vport
->fc_myDID
= la
->granted_AL_PA
;
896 i
= la
->un
.lilpBde64
.tus
.f
.bdeSize
;
899 phba
->alpa_map
[0] = 0;
901 if (phba
->cfg_log_verbose
& LOG_LINK_EVENT
) {
912 numalpa
= phba
->alpa_map
[0];
914 while (j
< numalpa
) {
915 memset(un
.pamap
, 0, 16);
916 for (k
= 1; j
< numalpa
; k
++) {
918 phba
->alpa_map
[j
+ 1];
923 /* Link Up Event ALPA map */
924 lpfc_printf_log(phba
,
927 "%d:1304 Link Up Event "
928 "ALPA map Data: x%x "
931 un
.pa
.wd1
, un
.pa
.wd2
,
932 un
.pa
.wd3
, un
.pa
.wd4
);
937 if (!(phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)) {
938 if (phba
->max_vpi
&& lpfc_npiv_enable
&&
939 (phba
->sli_rev
== 3))
940 phba
->sli3_options
|= LPFC_SLI3_NPIV_ENABLED
;
942 vport
->fc_myDID
= phba
->fc_pref_DID
;
943 vport
->fc_flag
|= FC_LBIT
;
945 spin_unlock_irq(&phba
->hbalock
);
949 lpfc_read_sparam(phba
, sparam_mbox
, 0);
950 sparam_mbox
->vport
= vport
;
951 sparam_mbox
->mbox_cmpl
= lpfc_mbx_cmpl_read_sparam
;
952 rc
= lpfc_sli_issue_mbox(phba
, sparam_mbox
,
953 (MBX_NOWAIT
| MBX_STOP_IOCB
));
954 if (rc
== MBX_NOT_FINISHED
) {
955 mp
= (struct lpfc_dmabuf
*) sparam_mbox
->context1
;
956 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
958 mempool_free(sparam_mbox
, phba
->mbox_mem_pool
);
960 mempool_free(cfglink_mbox
, phba
->mbox_mem_pool
);
966 vport
->port_state
= LPFC_LOCAL_CFG_LINK
;
967 lpfc_config_link(phba
, cfglink_mbox
);
968 cfglink_mbox
->vport
= vport
;
969 cfglink_mbox
->mbox_cmpl
= lpfc_mbx_cmpl_local_config_link
;
970 rc
= lpfc_sli_issue_mbox(phba
, cfglink_mbox
,
971 (MBX_NOWAIT
| MBX_STOP_IOCB
));
972 if (rc
!= MBX_NOT_FINISHED
)
974 mempool_free(cfglink_mbox
, phba
->mbox_mem_pool
);
977 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
978 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
979 "%d (%d):0263 Discovery Mailbox error: state: 0x%x : %p %p\n",
980 phba
->brd_no
, vport
->vpi
,
981 vport
->port_state
, sparam_mbox
, cfglink_mbox
);
983 lpfc_issue_clear_la(phba
, vport
);
988 lpfc_mbx_issue_link_down(struct lpfc_hba
*phba
)
991 struct lpfc_sli
*psli
= &phba
->sli
;
995 /* turn on Link Attention interrupts - no CLEAR_LA needed */
996 spin_lock_irq(&phba
->hbalock
);
997 psli
->sli_flag
|= LPFC_PROCESS_LA
;
998 control
= readl(phba
->HCregaddr
);
999 control
|= HC_LAINT_ENA
;
1000 writel(control
, phba
->HCregaddr
);
1001 readl(phba
->HCregaddr
); /* flush */
1002 spin_unlock_irq(&phba
->hbalock
);
1006 * This routine handles processing a READ_LA mailbox
1007 * command upon completion. It is setup in the LPFC_MBOXQ
1008 * as the completion routine when the command is
1009 * handed off to the SLI layer.
1012 lpfc_mbx_cmpl_read_la(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
1014 struct lpfc_vport
*vport
= pmb
->vport
;
1015 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1017 MAILBOX_t
*mb
= &pmb
->mb
;
1018 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
1020 /* Check for error */
1021 if (mb
->mbxStatus
) {
1022 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1023 "%d:1307 READ_LA mbox error x%x state x%x\n",
1024 phba
->brd_no
, mb
->mbxStatus
, vport
->port_state
);
1025 lpfc_mbx_issue_link_down(phba
);
1026 phba
->link_state
= LPFC_HBA_ERROR
;
1027 goto lpfc_mbx_cmpl_read_la_free_mbuf
;
1030 la
= (READ_LA_VAR
*) & pmb
->mb
.un
.varReadLA
;
1032 memcpy(&phba
->alpa_map
[0], mp
->virt
, 128);
1034 spin_lock_irq(shost
->host_lock
);
1036 vport
->fc_flag
|= FC_BYPASSED_MODE
;
1038 vport
->fc_flag
&= ~FC_BYPASSED_MODE
;
1039 spin_unlock_irq(shost
->host_lock
);
1041 if (((phba
->fc_eventTag
+ 1) < la
->eventTag
) ||
1042 (phba
->fc_eventTag
== la
->eventTag
)) {
1043 phba
->fc_stat
.LinkMultiEvent
++;
1044 if (la
->attType
== AT_LINK_UP
)
1045 if (phba
->fc_eventTag
!= 0)
1046 lpfc_linkdown(phba
);
1049 phba
->fc_eventTag
= la
->eventTag
;
1051 if (la
->attType
== AT_LINK_UP
) {
1052 phba
->fc_stat
.LinkUp
++;
1053 if (phba
->link_flag
& LS_LOOPBACK_MODE
) {
1054 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1055 "%d:1306 Link Up Event in loop back mode "
1056 "x%x received Data: x%x x%x x%x x%x\n",
1057 phba
->brd_no
, la
->eventTag
, phba
->fc_eventTag
,
1058 la
->granted_AL_PA
, la
->UlnkSpeed
,
1061 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
1062 "%d:1303 Link Up Event x%x received "
1063 "Data: x%x x%x x%x x%x\n",
1064 phba
->brd_no
, la
->eventTag
, phba
->fc_eventTag
,
1065 la
->granted_AL_PA
, la
->UlnkSpeed
,
1068 lpfc_mbx_process_link_up(phba
, la
);
1070 phba
->fc_stat
.LinkDown
++;
1071 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
1072 "%d:1305 Link Down Event x%x received "
1073 "Data: x%x x%x x%x\n",
1074 phba
->brd_no
, la
->eventTag
, phba
->fc_eventTag
,
1075 phba
->pport
->port_state
, vport
->fc_flag
);
1076 lpfc_mbx_issue_link_down(phba
);
1079 lpfc_mbx_cmpl_read_la_free_mbuf
:
1080 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1082 mempool_free(pmb
, phba
->mbox_mem_pool
);
1087 * This routine handles processing a REG_LOGIN mailbox
1088 * command upon completion. It is setup in the LPFC_MBOXQ
1089 * as the completion routine when the command is
1090 * handed off to the SLI layer.
1093 lpfc_mbx_cmpl_reg_login(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
1095 struct lpfc_vport
*vport
= pmb
->vport
;
1096 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
1097 struct lpfc_nodelist
*ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
1099 pmb
->context1
= NULL
;
1101 /* Good status, call state machine */
1102 lpfc_disc_state_machine(vport
, ndlp
, pmb
, NLP_EVT_CMPL_REG_LOGIN
);
1103 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1105 mempool_free(pmb
, phba
->mbox_mem_pool
);
1112 lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
1114 MAILBOX_t
*mb
= &pmb
->mb
;
1115 struct lpfc_vport
*vport
= pmb
->vport
;
1116 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1118 switch (mb
->mbxStatus
) {
1122 lpfc_printf_log(phba
, KERN_INFO
, LOG_NODE
,
1123 "%d (%d):0911 cmpl_unreg_vpi, "
1124 "mb status = 0x%x\n",
1125 phba
->brd_no
, vport
->vpi
, mb
->mbxStatus
);
1130 vport
->unreg_vpi_cmpl
= VPORT_OK
;
1131 mempool_free(pmb
, phba
->mbox_mem_pool
);
1133 * This shost reference might have been taken at the beginning of
1134 * lpfc_vport_delete()
1136 if (vport
->load_flag
& FC_UNLOADING
)
1137 scsi_host_put(shost
);
1141 lpfc_mbx_unreg_vpi(struct lpfc_vport
*vport
)
1143 struct lpfc_hba
*phba
= vport
->phba
;
1147 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1151 lpfc_unreg_vpi(phba
, vport
->vpi
, mbox
);
1152 mbox
->vport
= vport
;
1153 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_unreg_vpi
;
1154 rc
= lpfc_sli_issue_mbox(phba
, mbox
, (MBX_NOWAIT
| MBX_STOP_IOCB
));
1155 if (rc
== MBX_NOT_FINISHED
) {
1156 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_VPORT
,
1157 "%d (%d):1800 Could not issue unreg_vpi\n",
1158 phba
->brd_no
, vport
->vpi
);
1159 mempool_free(mbox
, phba
->mbox_mem_pool
);
1160 vport
->unreg_vpi_cmpl
= VPORT_ERROR
;
1165 lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
1167 struct lpfc_vport
*vport
= pmb
->vport
;
1168 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1169 MAILBOX_t
*mb
= &pmb
->mb
;
1171 switch (mb
->mbxStatus
) {
1175 lpfc_printf_log(phba
, KERN_INFO
, LOG_NODE
,
1176 "%d (%d):0912 cmpl_reg_vpi, mb status = 0x%x\n",
1177 phba
->brd_no
, vport
->vpi
, mb
->mbxStatus
);
1178 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
1179 spin_lock_irq(shost
->host_lock
);
1180 vport
->fc_flag
&= ~(FC_FABRIC
| FC_PUBLIC_LOOP
);
1181 spin_unlock_irq(shost
->host_lock
);
1182 vport
->fc_myDID
= 0;
1187 vport
->num_disc_nodes
= 0;
1188 /* go thru NPR list and issue ELS PLOGIs */
1189 if (vport
->fc_npr_cnt
)
1190 lpfc_els_disc_plogi(vport
);
1192 if (!vport
->num_disc_nodes
) {
1193 spin_lock_irq(shost
->host_lock
);
1194 vport
->fc_flag
&= ~FC_NDISC_ACTIVE
;
1195 spin_unlock_irq(shost
->host_lock
);
1196 lpfc_can_disctmo(vport
);
1198 vport
->port_state
= LPFC_VPORT_READY
;
1201 mempool_free(pmb
, phba
->mbox_mem_pool
);
1206 * This routine handles processing a Fabric REG_LOGIN mailbox
1207 * command upon completion. It is setup in the LPFC_MBOXQ
1208 * as the completion routine when the command is
1209 * handed off to the SLI layer.
1212 lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
1214 struct lpfc_vport
*vport
= pmb
->vport
;
1215 struct lpfc_vport
*next_vport
;
1216 MAILBOX_t
*mb
= &pmb
->mb
;
1217 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
1218 struct lpfc_nodelist
*ndlp
;
1219 ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
1221 pmb
->context1
= NULL
;
1222 pmb
->context2
= NULL
;
1224 if (mb
->mbxStatus
) {
1225 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1227 mempool_free(pmb
, phba
->mbox_mem_pool
);
1230 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
1231 /* FLOGI failed, use loop map to make discovery list */
1232 lpfc_disc_list_loopmap(vport
);
1234 /* Start discovery */
1235 lpfc_disc_start(vport
);
1239 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
1240 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1241 "%d (%d):0258 Register Fabric login error: 0x%x\n",
1242 phba
->brd_no
, vport
->vpi
, mb
->mbxStatus
);
1247 ndlp
->nlp_rpi
= mb
->un
.varWords
[0];
1248 ndlp
->nlp_type
|= NLP_FABRIC
;
1249 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNMAPPED_NODE
);
1251 lpfc_nlp_put(ndlp
); /* Drop the reference from the mbox */
1253 if (vport
->port_state
== LPFC_FABRIC_CFG_LINK
) {
1254 list_for_each_entry(next_vport
, &phba
->port_list
, listentry
) {
1255 if (next_vport
->port_type
== LPFC_PHYSICAL_PORT
)
1258 if (phba
->link_flag
& LS_NPIV_FAB_SUPPORTED
)
1259 lpfc_initial_fdisc(next_vport
);
1261 if (phba
->sli3_options
&
1262 LPFC_SLI3_NPIV_ENABLED
) {
1263 lpfc_vport_set_state(vport
,
1264 FC_VPORT_NO_FABRIC_SUPP
);
1265 lpfc_printf_log(phba
, KERN_ERR
, LOG_ELS
,
1266 "%d (%d):0259 No NPIV Fabric "
1268 phba
->brd_no
, vport
->vpi
);
1272 lpfc_do_scr_ns_plogi(phba
, vport
);
1275 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1277 mempool_free(pmb
, phba
->mbox_mem_pool
);
1282 * This routine handles processing a NameServer REG_LOGIN mailbox
1283 * command upon completion. It is setup in the LPFC_MBOXQ
1284 * as the completion routine when the command is
1285 * handed off to the SLI layer.
1288 lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
1290 MAILBOX_t
*mb
= &pmb
->mb
;
1291 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
1292 struct lpfc_nodelist
*ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
1293 struct lpfc_vport
*vport
= pmb
->vport
;
1295 if (mb
->mbxStatus
) {
1298 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1300 mempool_free(pmb
, phba
->mbox_mem_pool
);
1301 lpfc_drop_node(vport
, ndlp
);
1303 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
1305 * RegLogin failed, use loop map to make discovery
1308 lpfc_disc_list_loopmap(vport
);
1310 /* Start discovery */
1311 lpfc_disc_start(vport
);
1314 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
1315 lpfc_printf_log(phba
, KERN_ERR
, LOG_ELS
,
1316 "%d (%d):0260 Register NameServer error: 0x%x\n",
1317 phba
->brd_no
, vport
->vpi
, mb
->mbxStatus
);
1321 pmb
->context1
= NULL
;
1323 ndlp
->nlp_rpi
= mb
->un
.varWords
[0];
1324 ndlp
->nlp_type
|= NLP_FABRIC
;
1325 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNMAPPED_NODE
);
1327 if (vport
->port_state
< LPFC_VPORT_READY
) {
1328 /* Link up discovery requires Fabric registration. */
1329 lpfc_ns_cmd(vport
, SLI_CTNS_RFF_ID
, 0, 0); /* Do this first! */
1330 lpfc_ns_cmd(vport
, SLI_CTNS_RNN_ID
, 0, 0);
1331 lpfc_ns_cmd(vport
, SLI_CTNS_RSNN_NN
, 0, 0);
1332 lpfc_ns_cmd(vport
, SLI_CTNS_RSPN_ID
, 0, 0);
1333 lpfc_ns_cmd(vport
, SLI_CTNS_RFT_ID
, 0, 0);
1335 /* Issue SCR just before NameServer GID_FT Query */
1336 lpfc_issue_els_scr(vport
, SCR_DID
, 0);
1339 vport
->fc_ns_retry
= 0;
1340 /* Good status, issue CT Request to NameServer */
1341 if (lpfc_ns_cmd(vport
, SLI_CTNS_GID_FT
, 0, 0)) {
1342 /* Cannot issue NameServer Query, so finish up discovery */
1347 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1349 mempool_free(pmb
, phba
->mbox_mem_pool
);
1355 lpfc_register_remote_port(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
1357 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1358 struct fc_rport
*rport
;
1359 struct lpfc_rport_data
*rdata
;
1360 struct fc_rport_identifiers rport_ids
;
1361 struct lpfc_hba
*phba
= vport
->phba
;
1363 /* Remote port has reappeared. Re-register w/ FC transport */
1364 rport_ids
.node_name
= wwn_to_u64(ndlp
->nlp_nodename
.u
.wwn
);
1365 rport_ids
.port_name
= wwn_to_u64(ndlp
->nlp_portname
.u
.wwn
);
1366 rport_ids
.port_id
= ndlp
->nlp_DID
;
1367 rport_ids
.roles
= FC_RPORT_ROLE_UNKNOWN
;
1370 * We leave our node pointer in rport->dd_data when we unregister a
1371 * FCP target port. But fc_remote_port_add zeros the space to which
1372 * rport->dd_data points. So, if we're reusing a previously
1373 * registered port, drop the reference that we took the last time we
1374 * registered the port.
1376 if (ndlp
->rport
&& ndlp
->rport
->dd_data
&&
1377 ((struct lpfc_rport_data
*) ndlp
->rport
->dd_data
)->pnode
== ndlp
) {
1380 ndlp
->rport
= rport
= fc_remote_port_add(shost
, 0, &rport_ids
);
1381 if (!rport
|| !get_device(&rport
->dev
)) {
1382 dev_printk(KERN_WARNING
, &phba
->pcidev
->dev
,
1383 "Warning: fc_remote_port_add failed\n");
1387 /* initialize static port data */
1388 rport
->maxframe_size
= ndlp
->nlp_maxframe
;
1389 rport
->supported_classes
= ndlp
->nlp_class_sup
;
1390 rdata
= rport
->dd_data
;
1391 rdata
->pnode
= lpfc_nlp_get(ndlp
);
1393 if (ndlp
->nlp_type
& NLP_FCP_TARGET
)
1394 rport_ids
.roles
|= FC_RPORT_ROLE_FCP_TARGET
;
1395 if (ndlp
->nlp_type
& NLP_FCP_INITIATOR
)
1396 rport_ids
.roles
|= FC_RPORT_ROLE_FCP_INITIATOR
;
1397 del_timer_sync(&ndlp
->nlp_initiator_tmr
);
1400 if (rport_ids
.roles
!= FC_RPORT_ROLE_UNKNOWN
)
1401 fc_remote_port_rolechg(rport
, rport_ids
.roles
);
1403 if ((rport
->scsi_target_id
!= -1) &&
1404 (rport
->scsi_target_id
< LPFC_MAX_TARGET
)) {
1405 ndlp
->nlp_sid
= rport
->scsi_target_id
;
1411 lpfc_unregister_remote_port(struct lpfc_nodelist
*ndlp
)
1413 struct fc_rport
*rport
= ndlp
->rport
;
1415 fc_remote_port_delete(rport
);
1421 lpfc_nlp_counters(struct lpfc_vport
*vport
, int state
, int count
)
1423 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1425 spin_lock_irq(shost
->host_lock
);
1427 case NLP_STE_UNUSED_NODE
:
1428 vport
->fc_unused_cnt
+= count
;
1430 case NLP_STE_PLOGI_ISSUE
:
1431 vport
->fc_plogi_cnt
+= count
;
1433 case NLP_STE_ADISC_ISSUE
:
1434 vport
->fc_adisc_cnt
+= count
;
1436 case NLP_STE_REG_LOGIN_ISSUE
:
1437 vport
->fc_reglogin_cnt
+= count
;
1439 case NLP_STE_PRLI_ISSUE
:
1440 vport
->fc_prli_cnt
+= count
;
1442 case NLP_STE_UNMAPPED_NODE
:
1443 vport
->fc_unmap_cnt
+= count
;
1445 case NLP_STE_MAPPED_NODE
:
1446 vport
->fc_map_cnt
+= count
;
1448 case NLP_STE_NPR_NODE
:
1449 vport
->fc_npr_cnt
+= count
;
1452 spin_unlock_irq(shost
->host_lock
);
1456 lpfc_nlp_state_cleanup(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
1457 int old_state
, int new_state
)
1459 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1461 if (new_state
== NLP_STE_UNMAPPED_NODE
) {
1462 ndlp
->nlp_type
&= ~(NLP_FCP_TARGET
| NLP_FCP_INITIATOR
);
1463 ndlp
->nlp_flag
&= ~NLP_NODEV_REMOVE
;
1464 ndlp
->nlp_type
|= NLP_FC_NODE
;
1466 if (new_state
== NLP_STE_MAPPED_NODE
)
1467 ndlp
->nlp_flag
&= ~NLP_NODEV_REMOVE
;
1468 if (new_state
== NLP_STE_NPR_NODE
)
1469 ndlp
->nlp_flag
&= ~NLP_RCV_PLOGI
;
1471 /* Transport interface */
1472 if (ndlp
->rport
&& (old_state
== NLP_STE_MAPPED_NODE
||
1473 old_state
== NLP_STE_UNMAPPED_NODE
)) {
1474 vport
->phba
->nport_event_cnt
++;
1475 lpfc_unregister_remote_port(ndlp
);
1478 if (new_state
== NLP_STE_MAPPED_NODE
||
1479 new_state
== NLP_STE_UNMAPPED_NODE
) {
1480 vport
->phba
->nport_event_cnt
++;
1482 * Tell the fc transport about the port, if we haven't
1483 * already. If we have, and it's a scsi entity, be
1484 * sure to unblock any attached scsi devices
1486 lpfc_register_remote_port(vport
, ndlp
);
1490 * if we added to Mapped list, but the remote port
1491 * registration failed or assigned a target id outside
1492 * our presentable range - move the node to the
1495 if (new_state
== NLP_STE_MAPPED_NODE
&&
1497 ndlp
->rport
->scsi_target_id
== -1 ||
1498 ndlp
->rport
->scsi_target_id
>= LPFC_MAX_TARGET
)) {
1499 spin_lock_irq(shost
->host_lock
);
1500 ndlp
->nlp_flag
|= NLP_TGT_NO_SCSIID
;
1501 spin_unlock_irq(shost
->host_lock
);
1502 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNMAPPED_NODE
);
1507 lpfc_nlp_state_name(char *buffer
, size_t size
, int state
)
1509 static char *states
[] = {
1510 [NLP_STE_UNUSED_NODE
] = "UNUSED",
1511 [NLP_STE_PLOGI_ISSUE
] = "PLOGI",
1512 [NLP_STE_ADISC_ISSUE
] = "ADISC",
1513 [NLP_STE_REG_LOGIN_ISSUE
] = "REGLOGIN",
1514 [NLP_STE_PRLI_ISSUE
] = "PRLI",
1515 [NLP_STE_UNMAPPED_NODE
] = "UNMAPPED",
1516 [NLP_STE_MAPPED_NODE
] = "MAPPED",
1517 [NLP_STE_NPR_NODE
] = "NPR",
1520 if (state
< ARRAY_SIZE(states
) && states
[state
])
1521 strlcpy(buffer
, states
[state
], size
);
1523 snprintf(buffer
, size
, "unknown (%d)", state
);
1528 lpfc_nlp_set_state(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
1531 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1532 int old_state
= ndlp
->nlp_state
;
1533 char name1
[16], name2
[16];
1535 lpfc_printf_log(vport
->phba
, KERN_INFO
, LOG_NODE
,
1536 "%d:0904 NPort state transition x%06x, %s -> %s\n",
1537 vport
->phba
->brd_no
,
1539 lpfc_nlp_state_name(name1
, sizeof(name1
), old_state
),
1540 lpfc_nlp_state_name(name2
, sizeof(name2
), state
));
1541 if (old_state
== NLP_STE_NPR_NODE
&&
1542 (ndlp
->nlp_flag
& NLP_DELAY_TMO
) != 0 &&
1543 state
!= NLP_STE_NPR_NODE
)
1544 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
1545 if (old_state
== NLP_STE_UNMAPPED_NODE
) {
1546 ndlp
->nlp_flag
&= ~NLP_TGT_NO_SCSIID
;
1547 ndlp
->nlp_type
&= ~NLP_FC_NODE
;
1550 if (list_empty(&ndlp
->nlp_listp
)) {
1551 spin_lock_irq(shost
->host_lock
);
1552 list_add_tail(&ndlp
->nlp_listp
, &vport
->fc_nodes
);
1553 spin_unlock_irq(shost
->host_lock
);
1554 } else if (old_state
)
1555 lpfc_nlp_counters(vport
, old_state
, -1);
1557 ndlp
->nlp_state
= state
;
1558 lpfc_nlp_counters(vport
, state
, 1);
1559 lpfc_nlp_state_cleanup(vport
, ndlp
, old_state
, state
);
1563 lpfc_dequeue_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
1565 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1567 if ((ndlp
->nlp_flag
& NLP_DELAY_TMO
) != 0)
1568 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
1569 if (ndlp
->nlp_state
&& !list_empty(&ndlp
->nlp_listp
))
1570 lpfc_nlp_counters(vport
, ndlp
->nlp_state
, -1);
1571 spin_lock_irq(shost
->host_lock
);
1572 list_del_init(&ndlp
->nlp_listp
);
1573 spin_unlock_irq(shost
->host_lock
);
1574 lpfc_nlp_state_cleanup(vport
, ndlp
, ndlp
->nlp_state
, 0);
1578 lpfc_drop_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
1580 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1582 if ((ndlp
->nlp_flag
& NLP_DELAY_TMO
) != 0)
1583 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
1584 if (ndlp
->nlp_state
&& !list_empty(&ndlp
->nlp_listp
))
1585 lpfc_nlp_counters(vport
, ndlp
->nlp_state
, -1);
1586 spin_lock_irq(shost
->host_lock
);
1587 list_del_init(&ndlp
->nlp_listp
);
1588 spin_unlock_irq(shost
->host_lock
);
1593 * Start / ReStart rescue timer for Discovery / RSCN handling
1596 lpfc_set_disctmo(struct lpfc_vport
*vport
)
1598 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1599 struct lpfc_hba
*phba
= vport
->phba
;
1602 if (vport
->port_state
== LPFC_LOCAL_CFG_LINK
) {
1603 /* For FAN, timeout should be greater then edtov */
1604 tmo
= (((phba
->fc_edtov
+ 999) / 1000) + 1);
1606 /* Normal discovery timeout should be > then ELS/CT timeout
1607 * FC spec states we need 3 * ratov for CT requests
1609 tmo
= ((phba
->fc_ratov
* 3) + 3);
1612 mod_timer(&vport
->fc_disctmo
, jiffies
+ HZ
* tmo
);
1613 spin_lock_irq(shost
->host_lock
);
1614 vport
->fc_flag
|= FC_DISC_TMO
;
1615 spin_unlock_irq(shost
->host_lock
);
1617 /* Start Discovery Timer state <hba_state> */
1618 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
1619 "%d (%d):0247 Start Discovery Timer state x%x "
1620 "Data: x%x x%lx x%x x%x\n",
1621 phba
->brd_no
, vport
->vpi
, vport
->port_state
, tmo
,
1622 (unsigned long)&vport
->fc_disctmo
, vport
->fc_plogi_cnt
,
1623 vport
->fc_adisc_cnt
);
1629 * Cancel rescue timer for Discovery / RSCN handling
1632 lpfc_can_disctmo(struct lpfc_vport
*vport
)
1634 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1635 struct lpfc_hba
*phba
= vport
->phba
;
1636 unsigned long iflags
;
1638 /* Turn off discovery timer if its running */
1639 if (vport
->fc_flag
& FC_DISC_TMO
) {
1640 spin_lock_irqsave(shost
->host_lock
, iflags
);
1641 vport
->fc_flag
&= ~FC_DISC_TMO
;
1642 spin_unlock_irqrestore(shost
->host_lock
, iflags
);
1643 del_timer_sync(&vport
->fc_disctmo
);
1644 spin_lock_irqsave(&vport
->work_port_lock
, iflags
);
1645 vport
->work_port_events
&= ~WORKER_DISC_TMO
;
1646 spin_unlock_irqrestore(&vport
->work_port_lock
, iflags
);
1649 /* Cancel Discovery Timer state <hba_state> */
1650 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
1651 "%d (%d):0248 Cancel Discovery Timer state x%x "
1652 "Data: x%x x%x x%x\n",
1653 phba
->brd_no
, vport
->vpi
, vport
->port_state
,
1654 vport
->fc_flag
, vport
->fc_plogi_cnt
,
1655 vport
->fc_adisc_cnt
);
1661 * Check specified ring for outstanding IOCB on the SLI queue
1662 * Return true if iocb matches the specified nport
1665 lpfc_check_sli_ndlp(struct lpfc_hba
*phba
,
1666 struct lpfc_sli_ring
*pring
,
1667 struct lpfc_iocbq
*iocb
,
1668 struct lpfc_nodelist
*ndlp
)
1670 struct lpfc_sli
*psli
= &phba
->sli
;
1671 IOCB_t
*icmd
= &iocb
->iocb
;
1672 struct lpfc_vport
*vport
= ndlp
->vport
;
1674 if (iocb
->vport
!= vport
)
1677 if (pring
->ringno
== LPFC_ELS_RING
) {
1678 switch (icmd
->ulpCommand
) {
1679 case CMD_GEN_REQUEST64_CR
:
1680 if (icmd
->ulpContext
== (volatile ushort
)ndlp
->nlp_rpi
)
1682 case CMD_ELS_REQUEST64_CR
:
1683 if (icmd
->un
.elsreq64
.remoteID
== ndlp
->nlp_DID
)
1685 case CMD_XMIT_ELS_RSP64_CX
:
1686 if (iocb
->context1
== (uint8_t *) ndlp
)
1689 } else if (pring
->ringno
== psli
->extra_ring
) {
1691 } else if (pring
->ringno
== psli
->fcp_ring
) {
1692 /* Skip match check if waiting to relogin to FCP target */
1693 if ((ndlp
->nlp_type
& NLP_FCP_TARGET
) &&
1694 (ndlp
->nlp_flag
& NLP_DELAY_TMO
)) {
1697 if (icmd
->ulpContext
== (volatile ushort
)ndlp
->nlp_rpi
) {
1700 } else if (pring
->ringno
== psli
->next_ring
) {
1707 * Free resources / clean up outstanding I/Os
1708 * associated with nlp_rpi in the LPFC_NODELIST entry.
1711 lpfc_no_rpi(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
)
1713 LIST_HEAD(completions
);
1714 struct lpfc_sli
*psli
;
1715 struct lpfc_sli_ring
*pring
;
1716 struct lpfc_iocbq
*iocb
, *next_iocb
;
1720 lpfc_fabric_abort_nport(ndlp
);
1723 * Everything that matches on txcmplq will be returned
1724 * by firmware with a no rpi error.
1727 rpi
= ndlp
->nlp_rpi
;
1729 /* Now process each ring */
1730 for (i
= 0; i
< psli
->num_rings
; i
++) {
1731 pring
= &psli
->ring
[i
];
1733 spin_lock_irq(&phba
->hbalock
);
1734 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txq
,
1737 * Check to see if iocb matches the nport we are
1740 if ((lpfc_check_sli_ndlp(phba
, pring
, iocb
,
1742 /* It matches, so deque and call compl
1744 list_move_tail(&iocb
->list
,
1749 spin_unlock_irq(&phba
->hbalock
);
1753 while (!list_empty(&completions
)) {
1754 iocb
= list_get_first(&completions
, struct lpfc_iocbq
, list
);
1755 list_del_init(&iocb
->list
);
1757 if (!iocb
->iocb_cmpl
)
1758 lpfc_sli_release_iocbq(phba
, iocb
);
1761 icmd
->ulpStatus
= IOSTAT_LOCAL_REJECT
;
1762 icmd
->un
.ulpWord
[4] = IOERR_SLI_ABORTED
;
1763 (iocb
->iocb_cmpl
)(phba
, iocb
, iocb
);
1771 * Free rpi associated with LPFC_NODELIST entry.
1772 * This routine is called from lpfc_freenode(), when we are removing
1773 * a LPFC_NODELIST entry. It is also called if the driver initiates a
1774 * LOGO that completes successfully, and we are waiting to PLOGI back
1775 * to the remote NPort. In addition, it is called after we receive
1776 * and unsolicated ELS cmd, send back a rsp, the rsp completes and
1777 * we are waiting to PLOGI back to the remote NPort.
1780 lpfc_unreg_rpi(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
1782 struct lpfc_hba
*phba
= vport
->phba
;
1786 if (ndlp
->nlp_rpi
) {
1787 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1789 lpfc_unreg_login(phba
, vport
->vpi
, ndlp
->nlp_rpi
, mbox
);
1790 mbox
->vport
= vport
;
1791 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
1792 rc
= lpfc_sli_issue_mbox(phba
, mbox
,
1793 (MBX_NOWAIT
| MBX_STOP_IOCB
));
1794 if (rc
== MBX_NOT_FINISHED
)
1795 mempool_free(mbox
, phba
->mbox_mem_pool
);
1797 lpfc_no_rpi(phba
, ndlp
);
1805 lpfc_unreg_all_rpis(struct lpfc_vport
*vport
)
1807 struct lpfc_hba
*phba
= vport
->phba
;
1811 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1813 lpfc_unreg_login(phba
, vport
->vpi
, 0xffff, mbox
);
1814 mbox
->vport
= vport
;
1815 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
1816 rc
= lpfc_sli_issue_mbox(phba
, mbox
,
1817 (MBX_NOWAIT
| MBX_STOP_IOCB
));
1818 if (rc
== MBX_NOT_FINISHED
) {
1819 mempool_free(mbox
, phba
->mbox_mem_pool
);
1825 lpfc_unreg_default_rpis(struct lpfc_vport
*vport
)
1827 struct lpfc_hba
*phba
= vport
->phba
;
1831 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1833 lpfc_unreg_did(phba
, vport
->vpi
, 0xffffffff, mbox
);
1834 mbox
->vport
= vport
;
1835 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
1836 rc
= lpfc_sli_issue_mbox(phba
, mbox
,
1837 (MBX_NOWAIT
| MBX_STOP_IOCB
));
1838 if (rc
== MBX_NOT_FINISHED
) {
1839 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_VPORT
,
1840 "%d (%d):1815 Could not issue "
1841 "unreg_did (default rpis)\n",
1842 phba
->brd_no
, vport
->vpi
);
1843 mempool_free(mbox
, phba
->mbox_mem_pool
);
1849 * Free resources associated with LPFC_NODELIST entry
1850 * so it can be freed.
1853 lpfc_cleanup_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
1855 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1856 struct lpfc_hba
*phba
= vport
->phba
;
1857 LPFC_MBOXQ_t
*mb
, *nextmb
;
1858 struct lpfc_dmabuf
*mp
;
1860 /* Cleanup node for NPort <nlp_DID> */
1861 lpfc_printf_log(phba
, KERN_INFO
, LOG_NODE
,
1862 "%d (%d):0900 Cleanup node for NPort x%x "
1863 "Data: x%x x%x x%x\n",
1864 phba
->brd_no
, vport
->vpi
, ndlp
->nlp_DID
, ndlp
->nlp_flag
,
1865 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
1867 lpfc_dequeue_node(vport
, ndlp
);
1869 /* cleanup any ndlp on mbox q waiting for reglogin cmpl */
1870 if ((mb
= phba
->sli
.mbox_active
)) {
1871 if ((mb
->mb
.mbxCommand
== MBX_REG_LOGIN64
) &&
1872 (ndlp
== (struct lpfc_nodelist
*) mb
->context2
)) {
1873 mb
->context2
= NULL
;
1874 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
1878 spin_lock_irq(&phba
->hbalock
);
1879 list_for_each_entry_safe(mb
, nextmb
, &phba
->sli
.mboxq
, list
) {
1880 if ((mb
->mb
.mbxCommand
== MBX_REG_LOGIN64
) &&
1881 (ndlp
== (struct lpfc_nodelist
*) mb
->context2
)) {
1882 mp
= (struct lpfc_dmabuf
*) (mb
->context1
);
1884 __lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1887 list_del(&mb
->list
);
1888 mempool_free(mb
, phba
->mbox_mem_pool
);
1892 spin_unlock_irq(&phba
->hbalock
);
1894 lpfc_els_abort(phba
,ndlp
);
1895 spin_lock_irq(shost
->host_lock
);
1896 ndlp
->nlp_flag
&= ~NLP_DELAY_TMO
;
1897 spin_unlock_irq(shost
->host_lock
);
1899 ndlp
->nlp_last_elscmd
= 0;
1900 del_timer_sync(&ndlp
->nlp_delayfunc
);
1901 del_timer_sync(&ndlp
->nlp_initiator_tmr
);
1903 if (!list_empty(&ndlp
->els_retry_evt
.evt_listp
))
1904 list_del_init(&ndlp
->els_retry_evt
.evt_listp
);
1905 if (!list_empty(&ndlp
->dev_loss_evt
.evt_listp
))
1906 list_del_init(&ndlp
->dev_loss_evt
.evt_listp
);
1908 lpfc_unreg_rpi(vport
, ndlp
);
1914 * Check to see if we can free the nlp back to the freelist.
1915 * If we are in the middle of using the nlp in the discovery state
1916 * machine, defer the free till we reach the end of the state machine.
1919 lpfc_nlp_remove(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
1921 struct lpfc_rport_data
*rdata
;
1923 if (ndlp
->nlp_flag
& NLP_DELAY_TMO
) {
1924 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
1927 lpfc_cleanup_node(vport
, ndlp
);
1930 * We can get here with a non-NULL ndlp->rport because when we
1931 * unregister a rport we don't break the rport/node linkage. So if we
1932 * do, make sure we don't leaving any dangling pointers behind.
1935 rdata
= ndlp
->rport
->dd_data
;
1936 rdata
->pnode
= NULL
;
1942 lpfc_matchdid(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
1945 D_ID mydid
, ndlpdid
, matchdid
;
1947 if (did
== Bcast_DID
)
1950 if (ndlp
->nlp_DID
== 0) {
1954 /* First check for Direct match */
1955 if (ndlp
->nlp_DID
== did
)
1958 /* Next check for area/domain identically equals 0 match */
1959 mydid
.un
.word
= vport
->fc_myDID
;
1960 if ((mydid
.un
.b
.domain
== 0) && (mydid
.un
.b
.area
== 0)) {
1964 matchdid
.un
.word
= did
;
1965 ndlpdid
.un
.word
= ndlp
->nlp_DID
;
1966 if (matchdid
.un
.b
.id
== ndlpdid
.un
.b
.id
) {
1967 if ((mydid
.un
.b
.domain
== matchdid
.un
.b
.domain
) &&
1968 (mydid
.un
.b
.area
== matchdid
.un
.b
.area
)) {
1969 if ((ndlpdid
.un
.b
.domain
== 0) &&
1970 (ndlpdid
.un
.b
.area
== 0)) {
1971 if (ndlpdid
.un
.b
.id
)
1977 matchdid
.un
.word
= ndlp
->nlp_DID
;
1978 if ((mydid
.un
.b
.domain
== ndlpdid
.un
.b
.domain
) &&
1979 (mydid
.un
.b
.area
== ndlpdid
.un
.b
.area
)) {
1980 if ((matchdid
.un
.b
.domain
== 0) &&
1981 (matchdid
.un
.b
.area
== 0)) {
1982 if (matchdid
.un
.b
.id
)
1990 /* Search for a nodelist entry */
1991 static struct lpfc_nodelist
*
1992 __lpfc_findnode_did(struct lpfc_vport
*vport
, uint32_t did
)
1994 struct lpfc_hba
*phba
= vport
->phba
;
1995 struct lpfc_nodelist
*ndlp
;
1998 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
1999 if (lpfc_matchdid(vport
, ndlp
, did
)) {
2000 data1
= (((uint32_t) ndlp
->nlp_state
<< 24) |
2001 ((uint32_t) ndlp
->nlp_xri
<< 16) |
2002 ((uint32_t) ndlp
->nlp_type
<< 8) |
2003 ((uint32_t) ndlp
->nlp_rpi
& 0xff));
2004 lpfc_printf_log(phba
, KERN_INFO
, LOG_NODE
,
2005 "%d (%d):0929 FIND node DID "
2006 " Data: x%p x%x x%x x%x\n",
2007 phba
->brd_no
, vport
->vpi
,
2008 ndlp
, ndlp
->nlp_DID
,
2009 ndlp
->nlp_flag
, data1
);
2014 /* FIND node did <did> NOT FOUND */
2015 lpfc_printf_log(phba
, KERN_INFO
, LOG_NODE
,
2016 "%d (%d):0932 FIND node did x%x NOT FOUND.\n",
2017 phba
->brd_no
, vport
->vpi
, did
);
2021 struct lpfc_nodelist
*
2022 lpfc_findnode_did(struct lpfc_vport
*vport
, uint32_t did
)
2024 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2025 struct lpfc_nodelist
*ndlp
;
2027 spin_lock_irq(shost
->host_lock
);
2028 ndlp
= __lpfc_findnode_did(vport
, did
);
2029 spin_unlock_irq(shost
->host_lock
);
2033 struct lpfc_nodelist
*
2034 lpfc_setup_disc_node(struct lpfc_vport
*vport
, uint32_t did
)
2036 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2037 struct lpfc_nodelist
*ndlp
;
2039 ndlp
= lpfc_findnode_did(vport
, did
);
2041 if ((vport
->fc_flag
& FC_RSCN_MODE
) != 0 &&
2042 lpfc_rscn_payload_check(vport
, did
) == 0)
2044 ndlp
= (struct lpfc_nodelist
*)
2045 mempool_alloc(vport
->phba
->nlp_mem_pool
, GFP_KERNEL
);
2048 lpfc_nlp_init(vport
, ndlp
, did
);
2049 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_NPR_NODE
);
2050 spin_lock_irq(shost
->host_lock
);
2051 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
2052 spin_unlock_irq(shost
->host_lock
);
2055 if (vport
->fc_flag
& FC_RSCN_MODE
) {
2056 if (lpfc_rscn_payload_check(vport
, did
)) {
2057 spin_lock_irq(shost
->host_lock
);
2058 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
2059 spin_unlock_irq(shost
->host_lock
);
2061 /* Since this node is marked for discovery,
2062 * delay timeout is not needed.
2064 if (ndlp
->nlp_flag
& NLP_DELAY_TMO
)
2065 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
2069 if (ndlp
->nlp_state
== NLP_STE_ADISC_ISSUE
||
2070 ndlp
->nlp_state
== NLP_STE_PLOGI_ISSUE
)
2072 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_NPR_NODE
);
2073 spin_lock_irq(shost
->host_lock
);
2074 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
2075 spin_unlock_irq(shost
->host_lock
);
2080 /* Build a list of nodes to discover based on the loopmap */
2082 lpfc_disc_list_loopmap(struct lpfc_vport
*vport
)
2084 struct lpfc_hba
*phba
= vport
->phba
;
2086 uint32_t alpa
, index
;
2088 if (!lpfc_is_link_up(phba
))
2091 if (phba
->fc_topology
!= TOPOLOGY_LOOP
)
2094 /* Check for loop map present or not */
2095 if (phba
->alpa_map
[0]) {
2096 for (j
= 1; j
<= phba
->alpa_map
[0]; j
++) {
2097 alpa
= phba
->alpa_map
[j
];
2098 if (((vport
->fc_myDID
& 0xff) == alpa
) || (alpa
== 0))
2100 lpfc_setup_disc_node(vport
, alpa
);
2103 /* No alpamap, so try all alpa's */
2104 for (j
= 0; j
< FC_MAXLOOP
; j
++) {
2105 /* If cfg_scan_down is set, start from highest
2106 * ALPA (0xef) to lowest (0x1).
2108 if (phba
->cfg_scan_down
)
2111 index
= FC_MAXLOOP
- j
- 1;
2112 alpa
= lpfcAlpaArray
[index
];
2113 if ((vport
->fc_myDID
& 0xff) == alpa
)
2115 lpfc_setup_disc_node(vport
, alpa
);
2122 lpfc_issue_clear_la(struct lpfc_hba
*phba
, struct lpfc_vport
*vport
)
2125 struct lpfc_sli
*psli
= &phba
->sli
;
2126 struct lpfc_sli_ring
*extra_ring
= &psli
->ring
[psli
->extra_ring
];
2127 struct lpfc_sli_ring
*fcp_ring
= &psli
->ring
[psli
->fcp_ring
];
2128 struct lpfc_sli_ring
*next_ring
= &psli
->ring
[psli
->next_ring
];
2132 * if it's not a physical port or if we already send
2133 * clear_la then don't send it.
2135 if ((phba
->link_state
>= LPFC_CLEAR_LA
) ||
2136 (vport
->port_type
!= LPFC_PHYSICAL_PORT
))
2139 /* Link up discovery */
2140 if ((mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
)) != NULL
) {
2141 phba
->link_state
= LPFC_CLEAR_LA
;
2142 lpfc_clear_la(phba
, mbox
);
2143 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_clear_la
;
2144 mbox
->vport
= vport
;
2145 rc
= lpfc_sli_issue_mbox(phba
, mbox
, (MBX_NOWAIT
|
2147 if (rc
== MBX_NOT_FINISHED
) {
2148 mempool_free(mbox
, phba
->mbox_mem_pool
);
2149 lpfc_disc_flush_list(vport
);
2150 extra_ring
->flag
&= ~LPFC_STOP_IOCB_EVENT
;
2151 fcp_ring
->flag
&= ~LPFC_STOP_IOCB_EVENT
;
2152 next_ring
->flag
&= ~LPFC_STOP_IOCB_EVENT
;
2153 phba
->link_state
= LPFC_HBA_ERROR
;
2158 /* Reg_vpi to tell firmware to resume normal operations */
2160 lpfc_issue_reg_vpi(struct lpfc_hba
*phba
, struct lpfc_vport
*vport
)
2162 LPFC_MBOXQ_t
*regvpimbox
;
2164 regvpimbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2166 lpfc_reg_vpi(phba
, vport
->vpi
, vport
->fc_myDID
, regvpimbox
);
2167 regvpimbox
->mbox_cmpl
= lpfc_mbx_cmpl_reg_vpi
;
2168 regvpimbox
->vport
= vport
;
2169 if (lpfc_sli_issue_mbox(phba
, regvpimbox
,
2170 (MBX_NOWAIT
| MBX_STOP_IOCB
))
2171 == MBX_NOT_FINISHED
) {
2172 mempool_free(regvpimbox
, phba
->mbox_mem_pool
);
2177 /* Start Link up / RSCN discovery on NPR nodes */
2179 lpfc_disc_start(struct lpfc_vport
*vport
)
2181 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2182 struct lpfc_hba
*phba
= vport
->phba
;
2184 uint32_t clear_la_pending
;
2187 if (!lpfc_is_link_up(phba
))
2190 if (phba
->link_state
== LPFC_CLEAR_LA
)
2191 clear_la_pending
= 1;
2193 clear_la_pending
= 0;
2195 if (vport
->port_state
< LPFC_VPORT_READY
)
2196 vport
->port_state
= LPFC_DISC_AUTH
;
2198 lpfc_set_disctmo(vport
);
2200 if (vport
->fc_prevDID
== vport
->fc_myDID
)
2205 vport
->fc_prevDID
= vport
->fc_myDID
;
2206 vport
->num_disc_nodes
= 0;
2208 /* Start Discovery state <hba_state> */
2209 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
2210 "%d (%d):0202 Start Discovery hba state x%x "
2211 "Data: x%x x%x x%x\n",
2212 phba
->brd_no
, vport
->vpi
, vport
->port_state
,
2213 vport
->fc_flag
, vport
->fc_plogi_cnt
,
2214 vport
->fc_adisc_cnt
);
2216 /* First do ADISCs - if any */
2217 num_sent
= lpfc_els_disc_adisc(vport
);
2223 * For SLI3, cmpl_reg_vpi will set port_state to READY, and
2224 * continue discovery.
2226 if ((phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
) &&
2227 !(vport
->fc_flag
& FC_RSCN_MODE
)) {
2228 lpfc_issue_reg_vpi(phba
, vport
);
2233 * For SLI2, we need to set port_state to READY and continue
2236 if (vport
->port_state
< LPFC_VPORT_READY
&& !clear_la_pending
) {
2237 /* If we get here, there is nothing to ADISC */
2238 if (vport
->port_type
== LPFC_PHYSICAL_PORT
)
2239 lpfc_issue_clear_la(phba
, vport
);
2241 if (!(vport
->fc_flag
& FC_ABORT_DISCOVERY
)) {
2242 vport
->num_disc_nodes
= 0;
2243 /* go thru NPR nodes and issue ELS PLOGIs */
2244 if (vport
->fc_npr_cnt
)
2245 lpfc_els_disc_plogi(vport
);
2247 if (!vport
->num_disc_nodes
) {
2248 spin_lock_irq(shost
->host_lock
);
2249 vport
->fc_flag
&= ~FC_NDISC_ACTIVE
;
2250 spin_unlock_irq(shost
->host_lock
);
2251 lpfc_can_disctmo(vport
);
2254 vport
->port_state
= LPFC_VPORT_READY
;
2256 /* Next do PLOGIs - if any */
2257 num_sent
= lpfc_els_disc_plogi(vport
);
2262 if (vport
->fc_flag
& FC_RSCN_MODE
) {
2263 /* Check to see if more RSCNs came in while we
2264 * were processing this one.
2266 if ((vport
->fc_rscn_id_cnt
== 0) &&
2267 (!(vport
->fc_flag
& FC_RSCN_DISCOVERY
))) {
2268 spin_lock_irq(shost
->host_lock
);
2269 vport
->fc_flag
&= ~FC_RSCN_MODE
;
2270 spin_unlock_irq(shost
->host_lock
);
2271 lpfc_can_disctmo(vport
);
2273 lpfc_els_handle_rscn(vport
);
2280 * Ignore completion for all IOCBs on tx and txcmpl queue for ELS
2281 * ring the match the sppecified nodelist.
2284 lpfc_free_tx(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
)
2286 LIST_HEAD(completions
);
2287 struct lpfc_sli
*psli
;
2289 struct lpfc_iocbq
*iocb
, *next_iocb
;
2290 struct lpfc_sli_ring
*pring
;
2293 pring
= &psli
->ring
[LPFC_ELS_RING
];
2295 /* Error matching iocb on txq or txcmplq
2296 * First check the txq.
2298 spin_lock_irq(&phba
->hbalock
);
2299 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txq
, list
) {
2300 if (iocb
->context1
!= ndlp
) {
2304 if ((icmd
->ulpCommand
== CMD_ELS_REQUEST64_CR
) ||
2305 (icmd
->ulpCommand
== CMD_XMIT_ELS_RSP64_CX
)) {
2307 list_move_tail(&iocb
->list
, &completions
);
2312 /* Next check the txcmplq */
2313 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
, list
) {
2314 if (iocb
->context1
!= ndlp
) {
2318 if (icmd
->ulpCommand
== CMD_ELS_REQUEST64_CR
||
2319 icmd
->ulpCommand
== CMD_XMIT_ELS_RSP64_CX
) {
2320 lpfc_sli_issue_abort_iotag(phba
, pring
, iocb
);
2323 spin_unlock_irq(&phba
->hbalock
);
2325 while (!list_empty(&completions
)) {
2326 iocb
= list_get_first(&completions
, struct lpfc_iocbq
, list
);
2327 list_del_init(&iocb
->list
);
2329 if (!iocb
->iocb_cmpl
)
2330 lpfc_sli_release_iocbq(phba
, iocb
);
2333 icmd
->ulpStatus
= IOSTAT_LOCAL_REJECT
;
2334 icmd
->un
.ulpWord
[4] = IOERR_SLI_ABORTED
;
2335 (iocb
->iocb_cmpl
) (phba
, iocb
, iocb
);
2341 lpfc_disc_flush_list(struct lpfc_vport
*vport
)
2343 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2344 struct lpfc_hba
*phba
= vport
->phba
;
2346 if (vport
->fc_plogi_cnt
|| vport
->fc_adisc_cnt
) {
2347 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
,
2349 if (ndlp
->nlp_state
== NLP_STE_PLOGI_ISSUE
||
2350 ndlp
->nlp_state
== NLP_STE_ADISC_ISSUE
) {
2351 lpfc_free_tx(phba
, ndlp
);
2359 lpfc_cleanup_discovery_resources(struct lpfc_vport
*vport
)
2361 lpfc_els_flush_rscn(vport
);
2362 lpfc_els_flush_cmd(vport
);
2363 lpfc_disc_flush_list(vport
);
2366 /*****************************************************************************/
2368 * NAME: lpfc_disc_timeout
2370 * FUNCTION: Fibre Channel driver discovery timeout routine.
2372 * EXECUTION ENVIRONMENT: interrupt only
2380 /*****************************************************************************/
2382 lpfc_disc_timeout(unsigned long ptr
)
2384 struct lpfc_vport
*vport
= (struct lpfc_vport
*) ptr
;
2385 struct lpfc_hba
*phba
= vport
->phba
;
2386 unsigned long flags
= 0;
2388 if (unlikely(!phba
))
2391 if ((vport
->work_port_events
& WORKER_DISC_TMO
) == 0) {
2392 spin_lock_irqsave(&vport
->work_port_lock
, flags
);
2393 vport
->work_port_events
|= WORKER_DISC_TMO
;
2394 spin_unlock_irqrestore(&vport
->work_port_lock
, flags
);
2396 spin_lock_irqsave(&phba
->hbalock
, flags
);
2397 if (phba
->work_wait
)
2398 lpfc_worker_wake_up(phba
);
2399 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
2405 lpfc_disc_timeout_handler(struct lpfc_vport
*vport
)
2407 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2408 struct lpfc_hba
*phba
= vport
->phba
;
2409 struct lpfc_sli
*psli
= &phba
->sli
;
2410 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2411 LPFC_MBOXQ_t
*initlinkmbox
;
2412 int rc
, clrlaerr
= 0;
2414 if (!(vport
->fc_flag
& FC_DISC_TMO
))
2417 spin_lock_irq(shost
->host_lock
);
2418 vport
->fc_flag
&= ~FC_DISC_TMO
;
2419 spin_unlock_irq(shost
->host_lock
);
2421 switch (vport
->port_state
) {
2423 case LPFC_LOCAL_CFG_LINK
:
2424 /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for
2428 lpfc_printf_log(phba
, KERN_WARNING
, LOG_DISCOVERY
,
2429 "%d (%d):0221 FAN timeout\n",
2430 phba
->brd_no
, vport
->vpi
);
2432 /* Start discovery by sending FLOGI, clean up old rpis */
2433 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
,
2435 if (ndlp
->nlp_state
!= NLP_STE_NPR_NODE
)
2437 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2438 /* Clean up the ndlp on Fabric connections */
2439 lpfc_drop_node(vport
, ndlp
);
2440 } else if (!(ndlp
->nlp_flag
& NLP_NPR_ADISC
)) {
2441 /* Fail outstanding IO now since device
2442 * is marked for PLOGI.
2444 lpfc_unreg_rpi(vport
, ndlp
);
2447 if (vport
->port_state
!= LPFC_FLOGI
) {
2448 vport
->port_state
= LPFC_FLOGI
;
2449 lpfc_set_disctmo(vport
);
2450 lpfc_initial_flogi(vport
);
2456 /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */
2457 /* Initial FLOGI timeout */
2458 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2459 "%d (%d):0222 Initial %s timeout\n",
2460 phba
->brd_no
, vport
->vpi
,
2461 vport
->vpi
? "FLOGI" : "FDISC");
2463 /* Assume no Fabric and go on with discovery.
2464 * Check for outstanding ELS FLOGI to abort.
2467 /* FLOGI failed, so just use loop map to make discovery list */
2468 lpfc_disc_list_loopmap(vport
);
2470 /* Start discovery */
2471 lpfc_disc_start(vport
);
2474 case LPFC_FABRIC_CFG_LINK
:
2475 /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for
2477 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2478 "%d (%d):0223 Timeout while waiting for "
2479 "NameServer login\n",
2480 phba
->brd_no
, vport
->vpi
);
2482 /* Next look for NameServer ndlp */
2483 ndlp
= lpfc_findnode_did(vport
, NameServer_DID
);
2486 /* Start discovery */
2487 lpfc_disc_start(vport
);
2491 /* Check for wait for NameServer Rsp timeout */
2492 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2493 "%d (%d):0224 NameServer Query timeout "
2495 phba
->brd_no
, vport
->vpi
,
2496 vport
->fc_ns_retry
, LPFC_MAX_NS_RETRY
);
2498 if (vport
->fc_ns_retry
< LPFC_MAX_NS_RETRY
) {
2499 /* Try it one more time */
2500 vport
->fc_ns_retry
++;
2501 rc
= lpfc_ns_cmd(vport
, SLI_CTNS_GID_FT
,
2502 vport
->fc_ns_retry
, 0);
2506 vport
->fc_ns_retry
= 0;
2509 * Discovery is over.
2510 * set port_state to PORT_READY if SLI2.
2511 * cmpl_reg_vpi will set port_state to READY for SLI3.
2513 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2514 lpfc_issue_reg_vpi(phba
, vport
);
2515 else { /* NPIV Not enabled */
2516 lpfc_issue_clear_la(phba
, vport
);
2517 vport
->port_state
= LPFC_VPORT_READY
;
2520 /* Setup and issue mailbox INITIALIZE LINK command */
2521 initlinkmbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2522 if (!initlinkmbox
) {
2523 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2524 "%d (%d):0206 Device Discovery "
2525 "completion error\n",
2526 phba
->brd_no
, vport
->vpi
);
2527 phba
->link_state
= LPFC_HBA_ERROR
;
2531 lpfc_linkdown(phba
);
2532 lpfc_init_link(phba
, initlinkmbox
, phba
->cfg_topology
,
2533 phba
->cfg_link_speed
);
2534 initlinkmbox
->mb
.un
.varInitLnk
.lipsr_AL_PA
= 0;
2535 initlinkmbox
->vport
= vport
;
2536 initlinkmbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
2537 rc
= lpfc_sli_issue_mbox(phba
, initlinkmbox
,
2538 (MBX_NOWAIT
| MBX_STOP_IOCB
));
2539 lpfc_set_loopback_flag(phba
);
2540 if (rc
== MBX_NOT_FINISHED
)
2541 mempool_free(initlinkmbox
, phba
->mbox_mem_pool
);
2545 case LPFC_DISC_AUTH
:
2546 /* Node Authentication timeout */
2547 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2548 "%d (%d):0227 Node Authentication timeout\n",
2549 phba
->brd_no
, vport
->vpi
);
2550 lpfc_disc_flush_list(vport
);
2553 * set port_state to PORT_READY if SLI2.
2554 * cmpl_reg_vpi will set port_state to READY for SLI3.
2556 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2557 lpfc_issue_reg_vpi(phba
, vport
);
2558 else { /* NPIV Not enabled */
2559 lpfc_issue_clear_la(phba
, vport
);
2560 vport
->port_state
= LPFC_VPORT_READY
;
2564 case LPFC_VPORT_READY
:
2565 if (vport
->fc_flag
& FC_RSCN_MODE
) {
2566 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2567 "%d (%d):0231 RSCN timeout Data: x%x "
2569 phba
->brd_no
, vport
->vpi
,
2570 vport
->fc_ns_retry
, LPFC_MAX_NS_RETRY
);
2572 /* Cleanup any outstanding ELS commands */
2573 lpfc_els_flush_cmd(vport
);
2575 lpfc_els_flush_rscn(vport
);
2576 lpfc_disc_flush_list(vport
);
2581 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2582 "%d (%d):0229 Unexpected discovery timeout, "
2583 "vport State x%x\n",
2584 phba
->brd_no
, vport
->vpi
, vport
->port_state
);
2589 switch (phba
->link_state
) {
2591 /* CLEAR LA timeout */
2592 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2593 "%d (%d):0228 CLEAR LA timeout\n",
2594 phba
->brd_no
, vport
->vpi
);
2598 case LPFC_LINK_UNKNOWN
:
2599 case LPFC_WARM_START
:
2600 case LPFC_INIT_START
:
2601 case LPFC_INIT_MBX_CMDS
:
2602 case LPFC_LINK_DOWN
:
2604 case LPFC_HBA_ERROR
:
2605 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2606 "%d (%d):0230 Unexpected timeout, hba link "
2608 phba
->brd_no
, vport
->vpi
, phba
->link_state
);
2612 case LPFC_HBA_READY
:
2617 lpfc_disc_flush_list(vport
);
2618 psli
->ring
[(psli
->extra_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
2619 psli
->ring
[(psli
->fcp_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
2620 psli
->ring
[(psli
->next_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
2621 vport
->port_state
= LPFC_VPORT_READY
;
2628 * This routine handles processing a NameServer REG_LOGIN mailbox
2629 * command upon completion. It is setup in the LPFC_MBOXQ
2630 * as the completion routine when the command is
2631 * handed off to the SLI layer.
2634 lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
2636 MAILBOX_t
*mb
= &pmb
->mb
;
2637 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
2638 struct lpfc_nodelist
*ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
2639 struct lpfc_vport
*vport
= pmb
->vport
;
2641 pmb
->context1
= NULL
;
2643 ndlp
->nlp_rpi
= mb
->un
.varWords
[0];
2644 ndlp
->nlp_type
|= NLP_FABRIC
;
2645 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNMAPPED_NODE
);
2648 * Start issuing Fabric-Device Management Interface (FDMI) command to
2649 * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if
2650 * fdmi-on=2 (supporting RPA/hostnmae)
2653 if (phba
->cfg_fdmi_on
== 1)
2654 lpfc_fdmi_cmd(vport
, ndlp
, SLI_MGMT_DHBA
);
2656 mod_timer(&vport
->fc_fdmitmo
, jiffies
+ HZ
* 60);
2658 /* Mailbox took a reference to the node */
2660 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2662 mempool_free(pmb
, phba
->mbox_mem_pool
);
2668 lpfc_filter_by_rpi(struct lpfc_nodelist
*ndlp
, void *param
)
2670 uint16_t *rpi
= param
;
2672 return ndlp
->nlp_rpi
== *rpi
;
2676 lpfc_filter_by_wwpn(struct lpfc_nodelist
*ndlp
, void *param
)
2678 return memcmp(&ndlp
->nlp_portname
, param
,
2679 sizeof(ndlp
->nlp_portname
)) == 0;
2682 struct lpfc_nodelist
*
2683 __lpfc_find_node(struct lpfc_vport
*vport
, node_filter filter
, void *param
)
2685 struct lpfc_nodelist
*ndlp
;
2687 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2688 if (ndlp
->nlp_state
!= NLP_STE_UNUSED_NODE
&&
2689 filter(ndlp
, param
))
2696 * Search node lists for a remote port matching filter criteria
2697 * Caller needs to hold host_lock before calling this routine.
2699 struct lpfc_nodelist
*
2700 lpfc_find_node(struct lpfc_vport
*vport
, node_filter filter
, void *param
)
2702 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2703 struct lpfc_nodelist
*ndlp
;
2705 spin_lock_irq(shost
->host_lock
);
2706 ndlp
= __lpfc_find_node(vport
, filter
, param
);
2707 spin_unlock_irq(shost
->host_lock
);
2712 * This routine looks up the ndlp lists for the given RPI. If rpi found it
2713 * returns the node list element pointer else return NULL.
2715 struct lpfc_nodelist
*
2716 __lpfc_findnode_rpi(struct lpfc_vport
*vport
, uint16_t rpi
)
2718 return __lpfc_find_node(vport
, lpfc_filter_by_rpi
, &rpi
);
2721 struct lpfc_nodelist
*
2722 lpfc_findnode_rpi(struct lpfc_vport
*vport
, uint16_t rpi
)
2724 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2725 struct lpfc_nodelist
*ndlp
;
2727 spin_lock_irq(shost
->host_lock
);
2728 ndlp
= __lpfc_findnode_rpi(vport
, rpi
);
2729 spin_unlock_irq(shost
->host_lock
);
2734 * This routine looks up the ndlp lists for the given WWPN. If WWPN found it
2735 * returns the node element list pointer else return NULL.
2737 struct lpfc_nodelist
*
2738 lpfc_findnode_wwpn(struct lpfc_vport
*vport
, struct lpfc_name
*wwpn
)
2740 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2741 struct lpfc_nodelist
*ndlp
;
2743 spin_lock_irq(shost
->host_lock
);
2744 ndlp
= __lpfc_find_node(vport
, lpfc_filter_by_wwpn
, wwpn
);
2745 spin_unlock_irq(shost
->host_lock
);
2750 lpfc_dev_loss_delay(unsigned long ptr
)
2752 struct lpfc_nodelist
*ndlp
= (struct lpfc_nodelist
*) ptr
;
2753 struct lpfc_vport
*vport
= ndlp
->vport
;
2754 struct lpfc_hba
*phba
= vport
->phba
;
2755 struct lpfc_work_evt
*evtp
= &ndlp
->dev_loss_evt
;
2756 unsigned long flags
;
2758 evtp
= &ndlp
->dev_loss_evt
;
2760 spin_lock_irqsave(&phba
->hbalock
, flags
);
2761 if (!list_empty(&evtp
->evt_listp
)) {
2762 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
2766 evtp
->evt_arg1
= ndlp
;
2767 evtp
->evt
= LPFC_EVT_DEV_LOSS
;
2768 list_add_tail(&evtp
->evt_listp
, &phba
->work_list
);
2769 if (phba
->work_wait
)
2770 lpfc_worker_wake_up(phba
);
2771 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
2776 lpfc_nlp_init(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
2779 memset(ndlp
, 0, sizeof (struct lpfc_nodelist
));
2780 INIT_LIST_HEAD(&ndlp
->els_retry_evt
.evt_listp
);
2781 INIT_LIST_HEAD(&ndlp
->dev_loss_evt
.evt_listp
);
2782 init_timer(&ndlp
->nlp_initiator_tmr
);
2783 ndlp
->nlp_initiator_tmr
.function
= lpfc_dev_loss_delay
;
2784 ndlp
->nlp_initiator_tmr
.data
= (unsigned long)ndlp
;
2785 init_timer(&ndlp
->nlp_delayfunc
);
2786 ndlp
->nlp_delayfunc
.function
= lpfc_els_retry_delay
;
2787 ndlp
->nlp_delayfunc
.data
= (unsigned long)ndlp
;
2788 ndlp
->nlp_DID
= did
;
2789 ndlp
->vport
= vport
;
2790 ndlp
->nlp_sid
= NLP_NO_SID
;
2791 INIT_LIST_HEAD(&ndlp
->nlp_listp
);
2792 kref_init(&ndlp
->kref
);
2797 lpfc_nlp_release(struct kref
*kref
)
2799 struct lpfc_nodelist
*ndlp
= container_of(kref
, struct lpfc_nodelist
,
2801 lpfc_nlp_remove(ndlp
->vport
, ndlp
);
2802 mempool_free(ndlp
, ndlp
->vport
->phba
->nlp_mem_pool
);
2805 struct lpfc_nodelist
*
2806 lpfc_nlp_get(struct lpfc_nodelist
*ndlp
)
2809 kref_get(&ndlp
->kref
);
2814 lpfc_nlp_put(struct lpfc_nodelist
*ndlp
)
2816 return ndlp
? kref_put(&ndlp
->kref
, lpfc_nlp_release
) : 0;