1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2006 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
)
62 uint8_t *name
= (uint8_t *)&ndlp
->nlp_portname
;
65 spin_lock_irq(phba
->host
->host_lock
);
66 if (!(ndlp
->nlp_flag
& NLP_NODEV_TMO
)) {
67 spin_unlock_irq(phba
->host
->host_lock
);
72 * If a discovery event readded nodev_timer after timer
73 * firing and before processing the timer, cancel the
76 spin_unlock_irq(phba
->host
->host_lock
);
77 del_timer_sync(&ndlp
->nlp_tmofunc
);
78 spin_lock_irq(phba
->host
->host_lock
);
80 ndlp
->nlp_flag
&= ~NLP_NODEV_TMO
;
82 if (ndlp
->nlp_sid
!= NLP_NO_SID
) {
84 /* flush the target */
85 lpfc_sli_abort_iocb(phba
, &phba
->sli
.ring
[phba
->sli
.fcp_ring
],
86 ndlp
->nlp_sid
, 0, 0, LPFC_CTX_TGT
);
88 spin_unlock_irq(phba
->host
->host_lock
);
91 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
92 "%d:0203 Nodev timeout on "
93 "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
94 "NPort x%x Data: x%x x%x x%x\n",
96 *name
, *(name
+1), *(name
+2), *(name
+3),
97 *(name
+4), *(name
+5), *(name
+6), *(name
+7),
98 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
99 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
101 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
102 "%d:0204 Nodev timeout on "
103 "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
104 "NPort x%x Data: x%x x%x x%x\n",
106 *name
, *(name
+1), *(name
+2), *(name
+3),
107 *(name
+4), *(name
+5), *(name
+6), *(name
+7),
108 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
109 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
112 lpfc_disc_state_machine(phba
, ndlp
, NULL
, NLP_EVT_DEVICE_RM
);
117 lpfc_work_list_done(struct lpfc_hba
* phba
)
119 struct lpfc_work_evt
*evtp
= NULL
;
120 struct lpfc_nodelist
*ndlp
;
123 spin_lock_irq(phba
->host
->host_lock
);
124 while(!list_empty(&phba
->work_list
)) {
125 list_remove_head((&phba
->work_list
), evtp
, typeof(*evtp
),
127 spin_unlock_irq(phba
->host
->host_lock
);
130 case LPFC_EVT_NODEV_TMO
:
131 ndlp
= (struct lpfc_nodelist
*)(evtp
->evt_arg1
);
132 lpfc_process_nodev_timeout(phba
, ndlp
);
135 case LPFC_EVT_ELS_RETRY
:
136 ndlp
= (struct lpfc_nodelist
*)(evtp
->evt_arg1
);
137 lpfc_els_retry_delay_handler(ndlp
);
140 case LPFC_EVT_ONLINE
:
141 if (phba
->hba_state
< LPFC_LINK_DOWN
)
142 *(int *)(evtp
->evt_arg1
) = lpfc_online(phba
);
144 *(int *)(evtp
->evt_arg1
) = 0;
145 complete((struct completion
*)(evtp
->evt_arg2
));
147 case LPFC_EVT_OFFLINE
:
148 if (phba
->hba_state
>= LPFC_LINK_DOWN
)
150 lpfc_sli_brdrestart(phba
);
151 *(int *)(evtp
->evt_arg1
) =
152 lpfc_sli_brdready(phba
,HS_FFRDY
| HS_MBRDY
);
153 complete((struct completion
*)(evtp
->evt_arg2
));
155 case LPFC_EVT_WARM_START
:
156 if (phba
->hba_state
>= LPFC_LINK_DOWN
)
158 lpfc_reset_barrier(phba
);
159 lpfc_sli_brdreset(phba
);
160 lpfc_hba_down_post(phba
);
161 *(int *)(evtp
->evt_arg1
) =
162 lpfc_sli_brdready(phba
, HS_MBRDY
);
163 complete((struct completion
*)(evtp
->evt_arg2
));
166 if (phba
->hba_state
>= LPFC_LINK_DOWN
)
168 *(int *)(evtp
->evt_arg1
)
169 = (phba
->stopped
) ? 0 : lpfc_sli_brdkill(phba
);
170 complete((struct completion
*)(evtp
->evt_arg2
));
175 spin_lock_irq(phba
->host
->host_lock
);
177 spin_unlock_irq(phba
->host
->host_lock
);
182 lpfc_work_done(struct lpfc_hba
* phba
)
184 struct lpfc_sli_ring
*pring
;
188 uint32_t work_hba_events
;
190 spin_lock_irq(phba
->host
->host_lock
);
191 ha_copy
= phba
->work_ha
;
193 work_hba_events
=phba
->work_hba_events
;
194 spin_unlock_irq(phba
->host
->host_lock
);
196 if (ha_copy
& HA_ERATT
)
197 lpfc_handle_eratt(phba
);
199 if (ha_copy
& HA_MBATT
)
200 lpfc_sli_handle_mb_event(phba
);
202 if (ha_copy
& HA_LATT
)
203 lpfc_handle_latt(phba
);
205 if (work_hba_events
& WORKER_DISC_TMO
)
206 lpfc_disc_timeout_handler(phba
);
208 if (work_hba_events
& WORKER_ELS_TMO
)
209 lpfc_els_timeout_handler(phba
);
211 if (work_hba_events
& WORKER_MBOX_TMO
)
212 lpfc_mbox_timeout_handler(phba
);
214 if (work_hba_events
& WORKER_FDMI_TMO
)
215 lpfc_fdmi_tmo_handler(phba
);
217 spin_lock_irq(phba
->host
->host_lock
);
218 phba
->work_hba_events
&= ~work_hba_events
;
219 spin_unlock_irq(phba
->host
->host_lock
);
221 for (i
= 0; i
< phba
->sli
.num_rings
; i
++, ha_copy
>>= 4) {
222 pring
= &phba
->sli
.ring
[i
];
223 if ((ha_copy
& HA_RXATT
)
224 || (pring
->flag
& LPFC_DEFERRED_RING_EVENT
)) {
225 if (pring
->flag
& LPFC_STOP_IOCB_MASK
) {
226 pring
->flag
|= LPFC_DEFERRED_RING_EVENT
;
228 lpfc_sli_handle_slow_ring_event(phba
, pring
,
231 pring
->flag
&= ~LPFC_DEFERRED_RING_EVENT
;
234 * Turn on Ring interrupts
236 spin_lock_irq(phba
->host
->host_lock
);
237 control
= readl(phba
->HCregaddr
);
238 control
|= (HC_R0INT_ENA
<< i
);
239 writel(control
, phba
->HCregaddr
);
240 readl(phba
->HCregaddr
); /* flush */
241 spin_unlock_irq(phba
->host
->host_lock
);
245 lpfc_work_list_done (phba
);
250 check_work_wait_done(struct lpfc_hba
*phba
) {
252 spin_lock_irq(phba
->host
->host_lock
);
254 phba
->work_hba_events
||
255 (!list_empty(&phba
->work_list
)) ||
256 kthread_should_stop()) {
257 spin_unlock_irq(phba
->host
->host_lock
);
260 spin_unlock_irq(phba
->host
->host_lock
);
266 lpfc_do_work(void *p
)
268 struct lpfc_hba
*phba
= p
;
270 DECLARE_WAIT_QUEUE_HEAD(work_waitq
);
272 set_user_nice(current
, -20);
273 phba
->work_wait
= &work_waitq
;
277 rc
= wait_event_interruptible(work_waitq
,
278 check_work_wait_done(phba
));
281 if (kthread_should_stop())
284 lpfc_work_done(phba
);
287 phba
->work_wait
= NULL
;
292 * This is only called to handle FC worker events. Since this a rare
293 * occurance, we allocate a struct lpfc_work_evt structure here instead of
294 * embedding it in the IOCB.
297 lpfc_workq_post_event(struct lpfc_hba
* phba
, void *arg1
, void *arg2
,
300 struct lpfc_work_evt
*evtp
;
303 * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will
304 * be queued to worker thread for processing
306 evtp
= kmalloc(sizeof(struct lpfc_work_evt
), GFP_KERNEL
);
310 evtp
->evt_arg1
= arg1
;
311 evtp
->evt_arg2
= arg2
;
314 list_add_tail(&evtp
->evt_listp
, &phba
->work_list
);
315 spin_lock_irq(phba
->host
->host_lock
);
317 wake_up(phba
->work_wait
);
318 spin_unlock_irq(phba
->host
->host_lock
);
324 lpfc_linkdown(struct lpfc_hba
* phba
)
326 struct lpfc_sli
*psli
;
327 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
328 struct list_head
*listp
, *node_list
[7];
333 /* sysfs or selective reset may call this routine to clean up */
334 if (phba
->hba_state
>= LPFC_LINK_DOWN
) {
335 if (phba
->hba_state
== LPFC_LINK_DOWN
)
338 spin_lock_irq(phba
->host
->host_lock
);
339 phba
->hba_state
= LPFC_LINK_DOWN
;
340 spin_unlock_irq(phba
->host
->host_lock
);
343 /* Clean up any firmware default rpi's */
344 if ((mb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
))) {
345 lpfc_unreg_did(phba
, 0xffffffff, mb
);
346 mb
->mbox_cmpl
=lpfc_sli_def_mbox_cmpl
;
347 if (lpfc_sli_issue_mbox(phba
, mb
, (MBX_NOWAIT
| MBX_STOP_IOCB
))
348 == MBX_NOT_FINISHED
) {
349 mempool_free( mb
, phba
->mbox_mem_pool
);
353 /* Cleanup any outstanding RSCN activity */
354 lpfc_els_flush_rscn(phba
);
356 /* Cleanup any outstanding ELS commands */
357 lpfc_els_flush_cmd(phba
);
359 /* Issue a LINK DOWN event to all nodes */
360 node_list
[0] = &phba
->fc_npr_list
; /* MUST do this list first */
361 node_list
[1] = &phba
->fc_nlpmap_list
;
362 node_list
[2] = &phba
->fc_nlpunmap_list
;
363 node_list
[3] = &phba
->fc_prli_list
;
364 node_list
[4] = &phba
->fc_reglogin_list
;
365 node_list
[5] = &phba
->fc_adisc_list
;
366 node_list
[6] = &phba
->fc_plogi_list
;
367 for (i
= 0; i
< 7; i
++) {
368 listp
= node_list
[i
];
369 if (list_empty(listp
))
372 list_for_each_entry_safe(ndlp
, next_ndlp
, listp
, nlp_listp
) {
374 rc
= lpfc_disc_state_machine(phba
, ndlp
, NULL
,
375 NLP_EVT_DEVICE_RECOVERY
);
377 /* Check config parameter use-adisc or FCP-2 */
378 if ((rc
!= NLP_STE_FREED_NODE
) &&
379 (phba
->cfg_use_adisc
== 0) &&
380 !(ndlp
->nlp_fcp_info
& NLP_FCP_2_DEVICE
)) {
381 /* We know we will have to relogin, so
382 * unreglogin the rpi right now to fail
383 * any outstanding I/Os quickly.
385 lpfc_unreg_rpi(phba
, ndlp
);
390 /* free any ndlp's on unused list */
391 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_unused_list
,
393 lpfc_nlp_list(phba
, ndlp
, NLP_NO_LIST
);
396 /* Setup myDID for link up if we are in pt2pt mode */
397 if (phba
->fc_flag
& FC_PT2PT
) {
399 if ((mb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
))) {
400 lpfc_config_link(phba
, mb
);
401 mb
->mbox_cmpl
=lpfc_sli_def_mbox_cmpl
;
402 if (lpfc_sli_issue_mbox
403 (phba
, mb
, (MBX_NOWAIT
| MBX_STOP_IOCB
))
404 == MBX_NOT_FINISHED
) {
405 mempool_free( mb
, phba
->mbox_mem_pool
);
408 spin_lock_irq(phba
->host
->host_lock
);
409 phba
->fc_flag
&= ~(FC_PT2PT
| FC_PT2PT_PLOGI
);
410 spin_unlock_irq(phba
->host
->host_lock
);
412 spin_lock_irq(phba
->host
->host_lock
);
413 phba
->fc_flag
&= ~FC_LBIT
;
414 spin_unlock_irq(phba
->host
->host_lock
);
416 /* Turn off discovery timer if its running */
417 lpfc_can_disctmo(phba
);
419 /* Must process IOCBs on all rings to handle ABORTed I/Os */
424 lpfc_linkup(struct lpfc_hba
* phba
)
426 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
427 struct list_head
*listp
, *node_list
[7];
430 spin_lock_irq(phba
->host
->host_lock
);
431 phba
->hba_state
= LPFC_LINK_UP
;
432 phba
->fc_flag
&= ~(FC_PT2PT
| FC_PT2PT_PLOGI
| FC_ABORT_DISCOVERY
|
433 FC_RSCN_MODE
| FC_NLP_MORE
| FC_RSCN_DISCOVERY
);
434 phba
->fc_flag
|= FC_NDISC_ACTIVE
;
435 phba
->fc_ns_retry
= 0;
436 spin_unlock_irq(phba
->host
->host_lock
);
439 node_list
[0] = &phba
->fc_plogi_list
;
440 node_list
[1] = &phba
->fc_adisc_list
;
441 node_list
[2] = &phba
->fc_reglogin_list
;
442 node_list
[3] = &phba
->fc_prli_list
;
443 node_list
[4] = &phba
->fc_nlpunmap_list
;
444 node_list
[5] = &phba
->fc_nlpmap_list
;
445 node_list
[6] = &phba
->fc_npr_list
;
446 for (i
= 0; i
< 7; i
++) {
447 listp
= node_list
[i
];
448 if (list_empty(listp
))
451 list_for_each_entry_safe(ndlp
, next_ndlp
, listp
, nlp_listp
) {
452 if (phba
->fc_flag
& FC_LBIT
) {
453 if (ndlp
->nlp_type
& NLP_FABRIC
) {
454 /* On Linkup its safe to clean up the
455 * ndlp from Fabric connections.
457 lpfc_nlp_list(phba
, ndlp
,
459 } else if (!(ndlp
->nlp_flag
& NLP_NPR_ADISC
)) {
460 /* Fail outstanding IO now since device
461 * is marked for PLOGI.
463 lpfc_unreg_rpi(phba
, ndlp
);
469 /* free any ndlp's on unused list */
470 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_unused_list
,
472 lpfc_nlp_list(phba
, ndlp
, NLP_NO_LIST
);
479 * This routine handles processing a CLEAR_LA mailbox
480 * command upon completion. It is setup in the LPFC_MBOXQ
481 * as the completion routine when the command is
482 * handed off to the SLI layer.
485 lpfc_mbx_cmpl_clear_la(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmb
)
487 struct lpfc_sli
*psli
;
493 /* Since we don't do discovery right now, turn these off here */
494 psli
->ring
[psli
->ip_ring
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
495 psli
->ring
[psli
->fcp_ring
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
496 psli
->ring
[psli
->next_ring
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
498 /* Check for error */
499 if ((mb
->mbxStatus
) && (mb
->mbxStatus
!= 0x1601)) {
500 /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */
501 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
502 "%d:0320 CLEAR_LA mbxStatus error x%x hba "
504 phba
->brd_no
, mb
->mbxStatus
, phba
->hba_state
);
506 phba
->hba_state
= LPFC_HBA_ERROR
;
510 if (phba
->fc_flag
& FC_ABORT_DISCOVERY
)
513 phba
->num_disc_nodes
= 0;
514 /* go thru NPR list and issue ELS PLOGIs */
515 if (phba
->fc_npr_cnt
) {
516 lpfc_els_disc_plogi(phba
);
519 if (!phba
->num_disc_nodes
) {
520 spin_lock_irq(phba
->host
->host_lock
);
521 phba
->fc_flag
&= ~FC_NDISC_ACTIVE
;
522 spin_unlock_irq(phba
->host
->host_lock
);
525 phba
->hba_state
= LPFC_HBA_READY
;
528 /* Device Discovery completes */
529 lpfc_printf_log(phba
,
532 "%d:0225 Device Discovery completes\n",
535 mempool_free( pmb
, phba
->mbox_mem_pool
);
537 spin_lock_irq(phba
->host
->host_lock
);
538 phba
->fc_flag
&= ~FC_ABORT_DISCOVERY
;
539 if (phba
->fc_flag
& FC_ESTABLISH_LINK
) {
540 phba
->fc_flag
&= ~FC_ESTABLISH_LINK
;
542 spin_unlock_irq(phba
->host
->host_lock
);
544 del_timer_sync(&phba
->fc_estabtmo
);
546 lpfc_can_disctmo(phba
);
548 /* turn on Link Attention interrupts */
549 spin_lock_irq(phba
->host
->host_lock
);
550 psli
->sli_flag
|= LPFC_PROCESS_LA
;
551 control
= readl(phba
->HCregaddr
);
552 control
|= HC_LAINT_ENA
;
553 writel(control
, phba
->HCregaddr
);
554 readl(phba
->HCregaddr
); /* flush */
555 spin_unlock_irq(phba
->host
->host_lock
);
561 lpfc_mbx_cmpl_local_config_link(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
563 struct lpfc_sli
*psli
= &phba
->sli
;
566 if (pmb
->mb
.mbxStatus
)
569 mempool_free(pmb
, phba
->mbox_mem_pool
);
571 if (phba
->fc_topology
== TOPOLOGY_LOOP
&&
572 phba
->fc_flag
& FC_PUBLIC_LOOP
&&
573 !(phba
->fc_flag
& FC_LBIT
)) {
574 /* Need to wait for FAN - use discovery timer
575 * for timeout. hba_state is identically
576 * LPFC_LOCAL_CFG_LINK while waiting for FAN
578 lpfc_set_disctmo(phba
);
582 /* Start discovery by sending a FLOGI. hba_state is identically
583 * LPFC_FLOGI while waiting for FLOGI cmpl
585 phba
->hba_state
= LPFC_FLOGI
;
586 lpfc_set_disctmo(phba
);
587 lpfc_initial_flogi(phba
);
591 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
592 "%d:0306 CONFIG_LINK mbxStatus error x%x "
594 phba
->brd_no
, pmb
->mb
.mbxStatus
, phba
->hba_state
);
598 phba
->hba_state
= LPFC_HBA_ERROR
;
600 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
601 "%d:0200 CONFIG_LINK bad hba state x%x\n",
602 phba
->brd_no
, phba
->hba_state
);
604 lpfc_clear_la(phba
, pmb
);
605 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_clear_la
;
606 rc
= lpfc_sli_issue_mbox(phba
, pmb
, (MBX_NOWAIT
| MBX_STOP_IOCB
));
607 if (rc
== MBX_NOT_FINISHED
) {
608 mempool_free(pmb
, phba
->mbox_mem_pool
);
609 lpfc_disc_flush_list(phba
);
610 psli
->ring
[(psli
->ip_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
611 psli
->ring
[(psli
->fcp_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
612 psli
->ring
[(psli
->next_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
613 phba
->hba_state
= LPFC_HBA_READY
;
619 lpfc_mbx_cmpl_read_sparam(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmb
)
621 struct lpfc_sli
*psli
= &phba
->sli
;
622 MAILBOX_t
*mb
= &pmb
->mb
;
623 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
626 /* Check for error */
628 /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */
629 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
630 "%d:0319 READ_SPARAM mbxStatus error x%x "
632 phba
->brd_no
, mb
->mbxStatus
, phba
->hba_state
);
635 phba
->hba_state
= LPFC_HBA_ERROR
;
639 memcpy((uint8_t *) & phba
->fc_sparam
, (uint8_t *) mp
->virt
,
640 sizeof (struct serv_parm
));
641 memcpy((uint8_t *) & phba
->fc_nodename
,
642 (uint8_t *) & phba
->fc_sparam
.nodeName
,
643 sizeof (struct lpfc_name
));
644 memcpy((uint8_t *) & phba
->fc_portname
,
645 (uint8_t *) & phba
->fc_sparam
.portName
,
646 sizeof (struct lpfc_name
));
647 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
649 mempool_free( pmb
, phba
->mbox_mem_pool
);
653 pmb
->context1
= NULL
;
654 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
656 if (phba
->hba_state
!= LPFC_CLEAR_LA
) {
657 lpfc_clear_la(phba
, pmb
);
658 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_clear_la
;
659 if (lpfc_sli_issue_mbox(phba
, pmb
, (MBX_NOWAIT
| MBX_STOP_IOCB
))
660 == MBX_NOT_FINISHED
) {
661 mempool_free( pmb
, phba
->mbox_mem_pool
);
662 lpfc_disc_flush_list(phba
);
663 psli
->ring
[(psli
->ip_ring
)].flag
&=
664 ~LPFC_STOP_IOCB_EVENT
;
665 psli
->ring
[(psli
->fcp_ring
)].flag
&=
666 ~LPFC_STOP_IOCB_EVENT
;
667 psli
->ring
[(psli
->next_ring
)].flag
&=
668 ~LPFC_STOP_IOCB_EVENT
;
669 phba
->hba_state
= LPFC_HBA_READY
;
672 mempool_free( pmb
, phba
->mbox_mem_pool
);
678 lpfc_mbx_process_link_up(struct lpfc_hba
*phba
, READ_LA_VAR
*la
)
681 LPFC_MBOXQ_t
*sparam_mbox
, *cfglink_mbox
;
682 sparam_mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
683 cfglink_mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
685 spin_lock_irq(phba
->host
->host_lock
);
686 switch (la
->UlnkSpeed
) {
688 phba
->fc_linkspeed
= LA_1GHZ_LINK
;
691 phba
->fc_linkspeed
= LA_2GHZ_LINK
;
694 phba
->fc_linkspeed
= LA_4GHZ_LINK
;
697 phba
->fc_linkspeed
= LA_UNKNW_LINK
;
701 phba
->fc_topology
= la
->topology
;
703 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
704 /* Get Loop Map information */
707 phba
->fc_flag
|= FC_LBIT
;
709 phba
->fc_myDID
= la
->granted_AL_PA
;
710 i
= la
->un
.lilpBde64
.tus
.f
.bdeSize
;
713 phba
->alpa_map
[0] = 0;
715 if (phba
->cfg_log_verbose
& LOG_LINK_EVENT
) {
726 numalpa
= phba
->alpa_map
[0];
728 while (j
< numalpa
) {
729 memset(un
.pamap
, 0, 16);
730 for (k
= 1; j
< numalpa
; k
++) {
732 phba
->alpa_map
[j
+ 1];
737 /* Link Up Event ALPA map */
738 lpfc_printf_log(phba
,
741 "%d:1304 Link Up Event "
742 "ALPA map Data: x%x "
745 un
.pa
.wd1
, un
.pa
.wd2
,
746 un
.pa
.wd3
, un
.pa
.wd4
);
751 phba
->fc_myDID
= phba
->fc_pref_DID
;
752 phba
->fc_flag
|= FC_LBIT
;
754 spin_unlock_irq(phba
->host
->host_lock
);
758 lpfc_read_sparam(phba
, sparam_mbox
);
759 sparam_mbox
->mbox_cmpl
= lpfc_mbx_cmpl_read_sparam
;
760 lpfc_sli_issue_mbox(phba
, sparam_mbox
,
761 (MBX_NOWAIT
| MBX_STOP_IOCB
));
765 phba
->hba_state
= LPFC_LOCAL_CFG_LINK
;
766 lpfc_config_link(phba
, cfglink_mbox
);
767 cfglink_mbox
->mbox_cmpl
= lpfc_mbx_cmpl_local_config_link
;
768 lpfc_sli_issue_mbox(phba
, cfglink_mbox
,
769 (MBX_NOWAIT
| MBX_STOP_IOCB
));
774 lpfc_mbx_issue_link_down(struct lpfc_hba
*phba
) {
776 struct lpfc_sli
*psli
= &phba
->sli
;
780 /* turn on Link Attention interrupts - no CLEAR_LA needed */
781 spin_lock_irq(phba
->host
->host_lock
);
782 psli
->sli_flag
|= LPFC_PROCESS_LA
;
783 control
= readl(phba
->HCregaddr
);
784 control
|= HC_LAINT_ENA
;
785 writel(control
, phba
->HCregaddr
);
786 readl(phba
->HCregaddr
); /* flush */
787 spin_unlock_irq(phba
->host
->host_lock
);
791 * This routine handles processing a READ_LA mailbox
792 * command upon completion. It is setup in the LPFC_MBOXQ
793 * as the completion routine when the command is
794 * handed off to the SLI layer.
797 lpfc_mbx_cmpl_read_la(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmb
)
800 MAILBOX_t
*mb
= &pmb
->mb
;
801 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
803 /* Check for error */
805 lpfc_printf_log(phba
,
808 "%d:1307 READ_LA mbox error x%x state x%x\n",
810 mb
->mbxStatus
, phba
->hba_state
);
811 lpfc_mbx_issue_link_down(phba
);
812 phba
->hba_state
= LPFC_HBA_ERROR
;
813 goto lpfc_mbx_cmpl_read_la_free_mbuf
;
816 la
= (READ_LA_VAR
*) & pmb
->mb
.un
.varReadLA
;
818 memcpy(&phba
->alpa_map
[0], mp
->virt
, 128);
820 spin_lock_irq(phba
->host
->host_lock
);
822 phba
->fc_flag
|= FC_BYPASSED_MODE
;
824 phba
->fc_flag
&= ~FC_BYPASSED_MODE
;
825 spin_unlock_irq(phba
->host
->host_lock
);
827 if (((phba
->fc_eventTag
+ 1) < la
->eventTag
) ||
828 (phba
->fc_eventTag
== la
->eventTag
)) {
829 phba
->fc_stat
.LinkMultiEvent
++;
830 if (la
->attType
== AT_LINK_UP
) {
831 if (phba
->fc_eventTag
!= 0)
836 phba
->fc_eventTag
= la
->eventTag
;
838 if (la
->attType
== AT_LINK_UP
) {
839 phba
->fc_stat
.LinkUp
++;
840 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
841 "%d:1303 Link Up Event x%x received "
842 "Data: x%x x%x x%x x%x\n",
843 phba
->brd_no
, la
->eventTag
, phba
->fc_eventTag
,
844 la
->granted_AL_PA
, la
->UlnkSpeed
,
846 lpfc_mbx_process_link_up(phba
, la
);
848 phba
->fc_stat
.LinkDown
++;
849 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
850 "%d:1305 Link Down Event x%x received "
851 "Data: x%x x%x x%x\n",
852 phba
->brd_no
, la
->eventTag
, phba
->fc_eventTag
,
853 phba
->hba_state
, phba
->fc_flag
);
854 lpfc_mbx_issue_link_down(phba
);
857 lpfc_mbx_cmpl_read_la_free_mbuf
:
858 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
860 mempool_free(pmb
, phba
->mbox_mem_pool
);
865 * This routine handles processing a REG_LOGIN mailbox
866 * command upon completion. It is setup in the LPFC_MBOXQ
867 * as the completion routine when the command is
868 * handed off to the SLI layer.
871 lpfc_mbx_cmpl_reg_login(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmb
)
873 struct lpfc_sli
*psli
;
875 struct lpfc_dmabuf
*mp
;
876 struct lpfc_nodelist
*ndlp
;
881 ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
882 mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
884 pmb
->context1
= NULL
;
886 /* Good status, call state machine */
887 lpfc_disc_state_machine(phba
, ndlp
, pmb
, NLP_EVT_CMPL_REG_LOGIN
);
888 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
890 mempool_free( pmb
, phba
->mbox_mem_pool
);
896 * This routine handles processing a Fabric REG_LOGIN mailbox
897 * command upon completion. It is setup in the LPFC_MBOXQ
898 * as the completion routine when the command is
899 * handed off to the SLI layer.
902 lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmb
)
904 struct lpfc_sli
*psli
;
906 struct lpfc_dmabuf
*mp
;
907 struct lpfc_nodelist
*ndlp
;
908 struct lpfc_nodelist
*ndlp_fdmi
;
914 ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
915 mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
918 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
920 mempool_free( pmb
, phba
->mbox_mem_pool
);
921 mempool_free( ndlp
, phba
->nlp_mem_pool
);
923 /* FLOGI failed, so just use loop map to make discovery list */
924 lpfc_disc_list_loopmap(phba
);
926 /* Start discovery */
927 lpfc_disc_start(phba
);
931 pmb
->context1
= NULL
;
933 ndlp
->nlp_rpi
= mb
->un
.varWords
[0];
934 ndlp
->nlp_type
|= NLP_FABRIC
;
935 ndlp
->nlp_state
= NLP_STE_UNMAPPED_NODE
;
936 lpfc_nlp_list(phba
, ndlp
, NLP_UNMAPPED_LIST
);
938 if (phba
->hba_state
== LPFC_FABRIC_CFG_LINK
) {
939 /* This NPort has been assigned an NPort_ID by the fabric as a
940 * result of the completed fabric login. Issue a State Change
941 * Registration (SCR) ELS request to the fabric controller
942 * (SCR_DID) so that this NPort gets RSCN events from the
945 lpfc_issue_els_scr(phba
, SCR_DID
, 0);
947 ndlp
= lpfc_findnode_did(phba
, NLP_SEARCH_ALL
, NameServer_DID
);
949 /* Allocate a new node instance. If the pool is empty,
950 * start the discovery process and skip the Nameserver
951 * login process. This is attempted again later on.
952 * Otherwise, issue a Port Login (PLOGI) to NameServer.
954 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_ATOMIC
);
956 lpfc_disc_start(phba
);
957 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
959 mempool_free( pmb
, phba
->mbox_mem_pool
);
962 lpfc_nlp_init(phba
, ndlp
, NameServer_DID
);
963 ndlp
->nlp_type
|= NLP_FABRIC
;
966 ndlp
->nlp_state
= NLP_STE_PLOGI_ISSUE
;
967 lpfc_nlp_list(phba
, ndlp
, NLP_PLOGI_LIST
);
968 lpfc_issue_els_plogi(phba
, NameServer_DID
, 0);
969 if (phba
->cfg_fdmi_on
) {
970 ndlp_fdmi
= mempool_alloc(phba
->nlp_mem_pool
,
973 lpfc_nlp_init(phba
, ndlp_fdmi
, FDMI_DID
);
974 ndlp_fdmi
->nlp_type
|= NLP_FABRIC
;
975 ndlp_fdmi
->nlp_state
= NLP_STE_PLOGI_ISSUE
;
976 lpfc_issue_els_plogi(phba
, FDMI_DID
, 0);
981 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
983 mempool_free( pmb
, phba
->mbox_mem_pool
);
988 * This routine handles processing a NameServer REG_LOGIN mailbox
989 * command upon completion. It is setup in the LPFC_MBOXQ
990 * as the completion routine when the command is
991 * handed off to the SLI layer.
994 lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmb
)
996 struct lpfc_sli
*psli
;
998 struct lpfc_dmabuf
*mp
;
999 struct lpfc_nodelist
*ndlp
;
1004 ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
1005 mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
1007 if (mb
->mbxStatus
) {
1008 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1010 mempool_free( pmb
, phba
->mbox_mem_pool
);
1011 lpfc_nlp_list(phba
, ndlp
, NLP_NO_LIST
);
1013 /* RegLogin failed, so just use loop map to make discovery
1015 lpfc_disc_list_loopmap(phba
);
1017 /* Start discovery */
1018 lpfc_disc_start(phba
);
1022 pmb
->context1
= NULL
;
1024 ndlp
->nlp_rpi
= mb
->un
.varWords
[0];
1025 ndlp
->nlp_type
|= NLP_FABRIC
;
1026 ndlp
->nlp_state
= NLP_STE_UNMAPPED_NODE
;
1027 lpfc_nlp_list(phba
, ndlp
, NLP_UNMAPPED_LIST
);
1029 if (phba
->hba_state
< LPFC_HBA_READY
) {
1030 /* Link up discovery requires Fabrib registration. */
1031 lpfc_ns_cmd(phba
, ndlp
, SLI_CTNS_RNN_ID
);
1032 lpfc_ns_cmd(phba
, ndlp
, SLI_CTNS_RSNN_NN
);
1033 lpfc_ns_cmd(phba
, ndlp
, SLI_CTNS_RFT_ID
);
1036 phba
->fc_ns_retry
= 0;
1037 /* Good status, issue CT Request to NameServer */
1038 if (lpfc_ns_cmd(phba
, ndlp
, SLI_CTNS_GID_FT
)) {
1039 /* Cannot issue NameServer Query, so finish up discovery */
1040 lpfc_disc_start(phba
);
1043 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1045 mempool_free( pmb
, phba
->mbox_mem_pool
);
1051 lpfc_register_remote_port(struct lpfc_hba
* phba
,
1052 struct lpfc_nodelist
* ndlp
)
1054 struct fc_rport
*rport
;
1055 struct lpfc_rport_data
*rdata
;
1056 struct fc_rport_identifiers rport_ids
;
1058 /* Remote port has reappeared. Re-register w/ FC transport */
1059 rport_ids
.node_name
= wwn_to_u64(ndlp
->nlp_nodename
.u
.wwn
);
1060 rport_ids
.port_name
= wwn_to_u64(ndlp
->nlp_portname
.u
.wwn
);
1061 rport_ids
.port_id
= ndlp
->nlp_DID
;
1062 rport_ids
.roles
= FC_RPORT_ROLE_UNKNOWN
;
1064 ndlp
->rport
= rport
= fc_remote_port_add(phba
->host
, 0, &rport_ids
);
1066 dev_printk(KERN_WARNING
, &phba
->pcidev
->dev
,
1067 "Warning: fc_remote_port_add failed\n");
1071 /* initialize static port data */
1072 rport
->maxframe_size
= ndlp
->nlp_maxframe
;
1073 rport
->supported_classes
= ndlp
->nlp_class_sup
;
1074 if ((rport
->scsi_target_id
!= -1) &&
1075 (rport
->scsi_target_id
< MAX_FCP_TARGET
)) {
1076 ndlp
->nlp_sid
= rport
->scsi_target_id
;
1078 rdata
= rport
->dd_data
;
1079 rdata
->pnode
= ndlp
;
1081 if (ndlp
->nlp_type
& NLP_FCP_TARGET
)
1082 rport_ids
.roles
|= FC_RPORT_ROLE_FCP_TARGET
;
1083 if (ndlp
->nlp_type
& NLP_FCP_INITIATOR
)
1084 rport_ids
.roles
|= FC_RPORT_ROLE_FCP_INITIATOR
;
1087 if (rport_ids
.roles
!= FC_RPORT_ROLE_UNKNOWN
)
1088 fc_remote_port_rolechg(rport
, rport_ids
.roles
);
1095 lpfc_unregister_remote_port(struct lpfc_hba
* phba
,
1096 struct lpfc_nodelist
* ndlp
)
1098 struct fc_rport
*rport
= ndlp
->rport
;
1099 struct lpfc_rport_data
*rdata
= rport
->dd_data
;
1102 rdata
->pnode
= NULL
;
1103 fc_remote_port_delete(rport
);
1109 lpfc_nlp_list(struct lpfc_hba
* phba
, struct lpfc_nodelist
* nlp
, int list
)
1111 enum { none
, unmapped
, mapped
} rport_add
= none
, rport_del
= none
;
1112 struct lpfc_sli
*psli
;
1115 /* Sanity check to ensure we are not moving to / from the same list */
1116 if ((nlp
->nlp_flag
& NLP_LIST_MASK
) == list
)
1117 if (list
!= NLP_NO_LIST
)
1120 spin_lock_irq(phba
->host
->host_lock
);
1121 switch (nlp
->nlp_flag
& NLP_LIST_MASK
) {
1122 case NLP_NO_LIST
: /* Not on any list */
1124 case NLP_UNUSED_LIST
:
1125 phba
->fc_unused_cnt
--;
1126 list_del(&nlp
->nlp_listp
);
1128 case NLP_PLOGI_LIST
:
1129 phba
->fc_plogi_cnt
--;
1130 list_del(&nlp
->nlp_listp
);
1132 case NLP_ADISC_LIST
:
1133 phba
->fc_adisc_cnt
--;
1134 list_del(&nlp
->nlp_listp
);
1136 case NLP_REGLOGIN_LIST
:
1137 phba
->fc_reglogin_cnt
--;
1138 list_del(&nlp
->nlp_listp
);
1141 phba
->fc_prli_cnt
--;
1142 list_del(&nlp
->nlp_listp
);
1144 case NLP_UNMAPPED_LIST
:
1145 phba
->fc_unmap_cnt
--;
1146 list_del(&nlp
->nlp_listp
);
1147 nlp
->nlp_flag
&= ~NLP_TGT_NO_SCSIID
;
1148 nlp
->nlp_type
&= ~NLP_FC_NODE
;
1149 phba
->nport_event_cnt
++;
1151 rport_del
= unmapped
;
1153 case NLP_MAPPED_LIST
:
1155 list_del(&nlp
->nlp_listp
);
1156 phba
->nport_event_cnt
++;
1162 list_del(&nlp
->nlp_listp
);
1163 /* Stop delay tmo if taking node off NPR list */
1164 if ((nlp
->nlp_flag
& NLP_DELAY_TMO
) &&
1165 (list
!= NLP_NPR_LIST
)) {
1166 spin_unlock_irq(phba
->host
->host_lock
);
1167 lpfc_cancel_retry_delay_tmo(phba
, nlp
);
1168 spin_lock_irq(phba
->host
->host_lock
);
1173 nlp
->nlp_flag
&= ~NLP_LIST_MASK
;
1175 /* Add NPort <did> to <num> list */
1176 lpfc_printf_log(phba
,
1179 "%d:0904 Add NPort x%x to %d list Data: x%x\n",
1181 nlp
->nlp_DID
, list
, nlp
->nlp_flag
);
1184 case NLP_NO_LIST
: /* No list, just remove it */
1185 spin_unlock_irq(phba
->host
->host_lock
);
1186 lpfc_nlp_remove(phba
, nlp
);
1187 spin_lock_irq(phba
->host
->host_lock
);
1188 /* as node removed - stop further transport calls */
1191 case NLP_UNUSED_LIST
:
1192 nlp
->nlp_flag
|= list
;
1193 /* Put it at the end of the unused list */
1194 list_add_tail(&nlp
->nlp_listp
, &phba
->fc_unused_list
);
1195 phba
->fc_unused_cnt
++;
1197 case NLP_PLOGI_LIST
:
1198 nlp
->nlp_flag
|= list
;
1199 /* Put it at the end of the plogi list */
1200 list_add_tail(&nlp
->nlp_listp
, &phba
->fc_plogi_list
);
1201 phba
->fc_plogi_cnt
++;
1203 case NLP_ADISC_LIST
:
1204 nlp
->nlp_flag
|= list
;
1205 /* Put it at the end of the adisc list */
1206 list_add_tail(&nlp
->nlp_listp
, &phba
->fc_adisc_list
);
1207 phba
->fc_adisc_cnt
++;
1209 case NLP_REGLOGIN_LIST
:
1210 nlp
->nlp_flag
|= list
;
1211 /* Put it at the end of the reglogin list */
1212 list_add_tail(&nlp
->nlp_listp
, &phba
->fc_reglogin_list
);
1213 phba
->fc_reglogin_cnt
++;
1216 nlp
->nlp_flag
|= list
;
1217 /* Put it at the end of the prli list */
1218 list_add_tail(&nlp
->nlp_listp
, &phba
->fc_prli_list
);
1219 phba
->fc_prli_cnt
++;
1221 case NLP_UNMAPPED_LIST
:
1222 rport_add
= unmapped
;
1223 /* ensure all vestiges of "mapped" significance are gone */
1224 nlp
->nlp_type
&= ~(NLP_FCP_TARGET
| NLP_FCP_INITIATOR
);
1225 nlp
->nlp_flag
|= list
;
1226 /* Put it at the end of the unmap list */
1227 list_add_tail(&nlp
->nlp_listp
, &phba
->fc_nlpunmap_list
);
1228 phba
->fc_unmap_cnt
++;
1229 phba
->nport_event_cnt
++;
1230 /* stop nodev tmo if running */
1231 if (nlp
->nlp_flag
& NLP_NODEV_TMO
) {
1232 nlp
->nlp_flag
&= ~NLP_NODEV_TMO
;
1233 spin_unlock_irq(phba
->host
->host_lock
);
1234 del_timer_sync(&nlp
->nlp_tmofunc
);
1235 spin_lock_irq(phba
->host
->host_lock
);
1236 if (!list_empty(&nlp
->nodev_timeout_evt
.evt_listp
))
1237 list_del_init(&nlp
->nodev_timeout_evt
.
1241 nlp
->nlp_type
|= NLP_FC_NODE
;
1243 case NLP_MAPPED_LIST
:
1245 nlp
->nlp_flag
|= list
;
1246 /* Put it at the end of the map list */
1247 list_add_tail(&nlp
->nlp_listp
, &phba
->fc_nlpmap_list
);
1249 phba
->nport_event_cnt
++;
1250 /* stop nodev tmo if running */
1251 if (nlp
->nlp_flag
& NLP_NODEV_TMO
) {
1252 nlp
->nlp_flag
&= ~NLP_NODEV_TMO
;
1253 spin_unlock_irq(phba
->host
->host_lock
);
1254 del_timer_sync(&nlp
->nlp_tmofunc
);
1255 spin_lock_irq(phba
->host
->host_lock
);
1256 if (!list_empty(&nlp
->nodev_timeout_evt
.evt_listp
))
1257 list_del_init(&nlp
->nodev_timeout_evt
.
1263 nlp
->nlp_flag
|= list
;
1264 /* Put it at the end of the npr list */
1265 list_add_tail(&nlp
->nlp_listp
, &phba
->fc_npr_list
);
1268 if (!(nlp
->nlp_flag
& NLP_NODEV_TMO
))
1269 mod_timer(&nlp
->nlp_tmofunc
,
1270 jiffies
+ HZ
* phba
->cfg_nodev_tmo
);
1272 nlp
->nlp_flag
|= NLP_NODEV_TMO
;
1273 nlp
->nlp_flag
&= ~NLP_RCV_PLOGI
;
1279 spin_unlock_irq(phba
->host
->host_lock
);
1282 * We make all the calls into the transport after we have
1283 * moved the node between lists. This so that we don't
1284 * release the lock while in-between lists.
1287 /* Don't upcall midlayer if we're unloading */
1288 if (!(phba
->fc_flag
& FC_UNLOADING
)) {
1290 * We revalidate the rport pointer as the "add" function
1291 * may have removed the remote port.
1293 if ((rport_del
!= none
) && nlp
->rport
)
1294 lpfc_unregister_remote_port(phba
, nlp
);
1296 if (rport_add
!= none
) {
1298 * Tell the fc transport about the port, if we haven't
1299 * already. If we have, and it's a scsi entity, be
1300 * sure to unblock any attached scsi devices
1303 lpfc_register_remote_port(phba
, nlp
);
1306 * if we added to Mapped list, but the remote port
1307 * registration failed or assigned a target id outside
1308 * our presentable range - move the node to the
1311 if ((rport_add
== mapped
) &&
1313 (nlp
->rport
->scsi_target_id
== -1) ||
1314 (nlp
->rport
->scsi_target_id
>= MAX_FCP_TARGET
))) {
1315 nlp
->nlp_state
= NLP_STE_UNMAPPED_NODE
;
1316 spin_lock_irq(phba
->host
->host_lock
);
1317 nlp
->nlp_flag
|= NLP_TGT_NO_SCSIID
;
1318 spin_unlock_irq(phba
->host
->host_lock
);
1319 lpfc_nlp_list(phba
, nlp
, NLP_UNMAPPED_LIST
);
1327 * Start / ReStart rescue timer for Discovery / RSCN handling
1330 lpfc_set_disctmo(struct lpfc_hba
* phba
)
1334 if (phba
->hba_state
== LPFC_LOCAL_CFG_LINK
) {
1335 /* For FAN, timeout should be greater then edtov */
1336 tmo
= (((phba
->fc_edtov
+ 999) / 1000) + 1);
1338 /* Normal discovery timeout should be > then ELS/CT timeout
1339 * FC spec states we need 3 * ratov for CT requests
1341 tmo
= ((phba
->fc_ratov
* 3) + 3);
1344 mod_timer(&phba
->fc_disctmo
, jiffies
+ HZ
* tmo
);
1345 spin_lock_irq(phba
->host
->host_lock
);
1346 phba
->fc_flag
|= FC_DISC_TMO
;
1347 spin_unlock_irq(phba
->host
->host_lock
);
1349 /* Start Discovery Timer state <hba_state> */
1350 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
1351 "%d:0247 Start Discovery Timer state x%x "
1352 "Data: x%x x%lx x%x x%x\n",
1354 phba
->hba_state
, tmo
, (unsigned long)&phba
->fc_disctmo
,
1355 phba
->fc_plogi_cnt
, phba
->fc_adisc_cnt
);
1361 * Cancel rescue timer for Discovery / RSCN handling
1364 lpfc_can_disctmo(struct lpfc_hba
* phba
)
1366 /* Turn off discovery timer if its running */
1367 if (phba
->fc_flag
& FC_DISC_TMO
) {
1368 spin_lock_irq(phba
->host
->host_lock
);
1369 phba
->fc_flag
&= ~FC_DISC_TMO
;
1370 spin_unlock_irq(phba
->host
->host_lock
);
1371 del_timer_sync(&phba
->fc_disctmo
);
1372 phba
->work_hba_events
&= ~WORKER_DISC_TMO
;
1375 /* Cancel Discovery Timer state <hba_state> */
1376 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
1377 "%d:0248 Cancel Discovery Timer state x%x "
1378 "Data: x%x x%x x%x\n",
1379 phba
->brd_no
, phba
->hba_state
, phba
->fc_flag
,
1380 phba
->fc_plogi_cnt
, phba
->fc_adisc_cnt
);
1386 * Check specified ring for outstanding IOCB on the SLI queue
1387 * Return true if iocb matches the specified nport
1390 lpfc_check_sli_ndlp(struct lpfc_hba
* phba
,
1391 struct lpfc_sli_ring
* pring
,
1392 struct lpfc_iocbq
* iocb
, struct lpfc_nodelist
* ndlp
)
1394 struct lpfc_sli
*psli
;
1399 if (pring
->ringno
== LPFC_ELS_RING
) {
1400 switch (icmd
->ulpCommand
) {
1401 case CMD_GEN_REQUEST64_CR
:
1402 if (icmd
->ulpContext
== (volatile ushort
)ndlp
->nlp_rpi
)
1404 case CMD_ELS_REQUEST64_CR
:
1405 case CMD_XMIT_ELS_RSP64_CX
:
1406 if (iocb
->context1
== (uint8_t *) ndlp
)
1409 } else if (pring
->ringno
== psli
->ip_ring
) {
1411 } else if (pring
->ringno
== psli
->fcp_ring
) {
1412 /* Skip match check if waiting to relogin to FCP target */
1413 if ((ndlp
->nlp_type
& NLP_FCP_TARGET
) &&
1414 (ndlp
->nlp_flag
& NLP_DELAY_TMO
)) {
1417 if (icmd
->ulpContext
== (volatile ushort
)ndlp
->nlp_rpi
) {
1420 } else if (pring
->ringno
== psli
->next_ring
) {
1427 * Free resources / clean up outstanding I/Os
1428 * associated with nlp_rpi in the LPFC_NODELIST entry.
1431 lpfc_no_rpi(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
)
1433 struct lpfc_sli
*psli
;
1434 struct lpfc_sli_ring
*pring
;
1435 struct lpfc_iocbq
*iocb
, *next_iocb
;
1440 * Everything that matches on txcmplq will be returned
1441 * by firmware with a no rpi error.
1444 rpi
= ndlp
->nlp_rpi
;
1446 /* Now process each ring */
1447 for (i
= 0; i
< psli
->num_rings
; i
++) {
1448 pring
= &psli
->ring
[i
];
1450 spin_lock_irq(phba
->host
->host_lock
);
1451 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txq
,
1454 * Check to see if iocb matches the nport we are
1457 if ((lpfc_check_sli_ndlp
1458 (phba
, pring
, iocb
, ndlp
))) {
1459 /* It matches, so deque and call compl
1461 list_del(&iocb
->list
);
1463 if (iocb
->iocb_cmpl
) {
1466 IOSTAT_LOCAL_REJECT
;
1467 icmd
->un
.ulpWord
[4] =
1469 spin_unlock_irq(phba
->host
->
1471 (iocb
->iocb_cmpl
) (phba
,
1473 spin_lock_irq(phba
->host
->
1476 lpfc_sli_release_iocbq(phba
,
1480 spin_unlock_irq(phba
->host
->host_lock
);
1488 * Free rpi associated with LPFC_NODELIST entry.
1489 * This routine is called from lpfc_freenode(), when we are removing
1490 * a LPFC_NODELIST entry. It is also called if the driver initiates a
1491 * LOGO that completes successfully, and we are waiting to PLOGI back
1492 * to the remote NPort. In addition, it is called after we receive
1493 * and unsolicated ELS cmd, send back a rsp, the rsp completes and
1494 * we are waiting to PLOGI back to the remote NPort.
1497 lpfc_unreg_rpi(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
)
1502 if (ndlp
->nlp_rpi
) {
1503 if ((mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
))) {
1504 lpfc_unreg_login(phba
, ndlp
->nlp_rpi
, mbox
);
1505 mbox
->mbox_cmpl
=lpfc_sli_def_mbox_cmpl
;
1506 rc
= lpfc_sli_issue_mbox
1507 (phba
, mbox
, (MBX_NOWAIT
| MBX_STOP_IOCB
));
1508 if (rc
== MBX_NOT_FINISHED
)
1509 mempool_free( mbox
, phba
->mbox_mem_pool
);
1511 lpfc_no_rpi(phba
, ndlp
);
1519 * Free resources associated with LPFC_NODELIST entry
1520 * so it can be freed.
1523 lpfc_freenode(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
)
1526 LPFC_MBOXQ_t
*nextmb
;
1527 struct lpfc_dmabuf
*mp
;
1529 /* Cleanup node for NPort <nlp_DID> */
1530 lpfc_printf_log(phba
, KERN_INFO
, LOG_NODE
,
1531 "%d:0900 Cleanup node for NPort x%x "
1532 "Data: x%x x%x x%x\n",
1533 phba
->brd_no
, ndlp
->nlp_DID
, ndlp
->nlp_flag
,
1534 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
1536 lpfc_nlp_list(phba
, ndlp
, NLP_JUST_DQ
);
1539 * if unloading the driver - just leave the remote port in place.
1540 * The driver unload will force the attached devices to detach
1541 * and flush cache's w/o generating flush errors.
1543 if ((ndlp
->rport
) && !(phba
->fc_flag
& FC_UNLOADING
)) {
1544 lpfc_unregister_remote_port(phba
, ndlp
);
1545 ndlp
->nlp_sid
= NLP_NO_SID
;
1548 /* cleanup any ndlp on mbox q waiting for reglogin cmpl */
1549 if ((mb
= phba
->sli
.mbox_active
)) {
1550 if ((mb
->mb
.mbxCommand
== MBX_REG_LOGIN64
) &&
1551 (ndlp
== (struct lpfc_nodelist
*) mb
->context2
)) {
1552 mb
->context2
= NULL
;
1553 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
1556 list_for_each_entry_safe(mb
, nextmb
, &phba
->sli
.mboxq
, list
) {
1557 if ((mb
->mb
.mbxCommand
== MBX_REG_LOGIN64
) &&
1558 (ndlp
== (struct lpfc_nodelist
*) mb
->context2
)) {
1559 mp
= (struct lpfc_dmabuf
*) (mb
->context1
);
1561 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1564 list_del(&mb
->list
);
1565 mempool_free(mb
, phba
->mbox_mem_pool
);
1569 lpfc_els_abort(phba
,ndlp
,0);
1570 spin_lock_irq(phba
->host
->host_lock
);
1571 ndlp
->nlp_flag
&= ~(NLP_NODEV_TMO
|NLP_DELAY_TMO
);
1572 spin_unlock_irq(phba
->host
->host_lock
);
1573 del_timer_sync(&ndlp
->nlp_tmofunc
);
1575 ndlp
->nlp_last_elscmd
= 0;
1576 del_timer_sync(&ndlp
->nlp_delayfunc
);
1578 if (!list_empty(&ndlp
->nodev_timeout_evt
.evt_listp
))
1579 list_del_init(&ndlp
->nodev_timeout_evt
.evt_listp
);
1580 if (!list_empty(&ndlp
->els_retry_evt
.evt_listp
))
1581 list_del_init(&ndlp
->els_retry_evt
.evt_listp
);
1583 lpfc_unreg_rpi(phba
, ndlp
);
1589 * Check to see if we can free the nlp back to the freelist.
1590 * If we are in the middle of using the nlp in the discovery state
1591 * machine, defer the free till we reach the end of the state machine.
1594 lpfc_nlp_remove(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
)
1596 if (ndlp
->nlp_flag
& NLP_NODEV_TMO
) {
1597 spin_lock_irq(phba
->host
->host_lock
);
1598 ndlp
->nlp_flag
&= ~NLP_NODEV_TMO
;
1599 spin_unlock_irq(phba
->host
->host_lock
);
1600 del_timer_sync(&ndlp
->nlp_tmofunc
);
1601 if (!list_empty(&ndlp
->nodev_timeout_evt
.evt_listp
))
1602 list_del_init(&ndlp
->nodev_timeout_evt
.evt_listp
);
1607 if (ndlp
->nlp_flag
& NLP_DELAY_TMO
) {
1608 lpfc_cancel_retry_delay_tmo(phba
, ndlp
);
1611 if (ndlp
->nlp_disc_refcnt
) {
1612 spin_lock_irq(phba
->host
->host_lock
);
1613 ndlp
->nlp_flag
|= NLP_DELAY_REMOVE
;
1614 spin_unlock_irq(phba
->host
->host_lock
);
1616 lpfc_freenode(phba
, ndlp
);
1617 mempool_free( ndlp
, phba
->nlp_mem_pool
);
1623 lpfc_matchdid(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
, uint32_t did
)
1629 if (did
== Bcast_DID
)
1632 if (ndlp
->nlp_DID
== 0) {
1636 /* First check for Direct match */
1637 if (ndlp
->nlp_DID
== did
)
1640 /* Next check for area/domain identically equals 0 match */
1641 mydid
.un
.word
= phba
->fc_myDID
;
1642 if ((mydid
.un
.b
.domain
== 0) && (mydid
.un
.b
.area
== 0)) {
1646 matchdid
.un
.word
= did
;
1647 ndlpdid
.un
.word
= ndlp
->nlp_DID
;
1648 if (matchdid
.un
.b
.id
== ndlpdid
.un
.b
.id
) {
1649 if ((mydid
.un
.b
.domain
== matchdid
.un
.b
.domain
) &&
1650 (mydid
.un
.b
.area
== matchdid
.un
.b
.area
)) {
1651 if ((ndlpdid
.un
.b
.domain
== 0) &&
1652 (ndlpdid
.un
.b
.area
== 0)) {
1653 if (ndlpdid
.un
.b
.id
)
1659 matchdid
.un
.word
= ndlp
->nlp_DID
;
1660 if ((mydid
.un
.b
.domain
== ndlpdid
.un
.b
.domain
) &&
1661 (mydid
.un
.b
.area
== ndlpdid
.un
.b
.area
)) {
1662 if ((matchdid
.un
.b
.domain
== 0) &&
1663 (matchdid
.un
.b
.area
== 0)) {
1664 if (matchdid
.un
.b
.id
)
1672 /* Search for a nodelist entry on a specific list */
1673 struct lpfc_nodelist
*
1674 lpfc_findnode_did(struct lpfc_hba
* phba
, uint32_t order
, uint32_t did
)
1676 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1679 spin_lock_irq(phba
->host
->host_lock
);
1680 if (order
& NLP_SEARCH_UNMAPPED
) {
1681 list_for_each_entry_safe(ndlp
, next_ndlp
,
1682 &phba
->fc_nlpunmap_list
, nlp_listp
) {
1683 if (lpfc_matchdid(phba
, ndlp
, did
)) {
1684 data1
= (((uint32_t) ndlp
->nlp_state
<< 24) |
1685 ((uint32_t) ndlp
->nlp_xri
<< 16) |
1686 ((uint32_t) ndlp
->nlp_type
<< 8) |
1687 ((uint32_t) ndlp
->nlp_rpi
& 0xff));
1688 /* FIND node DID unmapped */
1689 lpfc_printf_log(phba
, KERN_INFO
, LOG_NODE
,
1690 "%d:0929 FIND node DID unmapped"
1691 " Data: x%p x%x x%x x%x\n",
1693 ndlp
, ndlp
->nlp_DID
,
1694 ndlp
->nlp_flag
, data1
);
1695 spin_unlock_irq(phba
->host
->host_lock
);
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
);
1717 spin_unlock_irq(phba
->host
->host_lock
);
1723 if (order
& NLP_SEARCH_PLOGI
) {
1724 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_plogi_list
,
1726 if (lpfc_matchdid(phba
, ndlp
, did
)) {
1728 data1
= (((uint32_t) ndlp
->nlp_state
<< 24) |
1729 ((uint32_t) ndlp
->nlp_xri
<< 16) |
1730 ((uint32_t) ndlp
->nlp_type
<< 8) |
1731 ((uint32_t) ndlp
->nlp_rpi
& 0xff));
1732 /* LOG change to PLOGI */
1733 /* FIND node DID plogi */
1734 lpfc_printf_log(phba
, KERN_INFO
, LOG_NODE
,
1735 "%d:0908 FIND node DID plogi "
1736 "Data: x%p x%x x%x x%x\n",
1738 ndlp
, ndlp
->nlp_DID
,
1739 ndlp
->nlp_flag
, data1
);
1740 spin_unlock_irq(phba
->host
->host_lock
);
1746 if (order
& NLP_SEARCH_ADISC
) {
1747 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_adisc_list
,
1749 if (lpfc_matchdid(phba
, ndlp
, did
)) {
1751 data1
= (((uint32_t) ndlp
->nlp_state
<< 24) |
1752 ((uint32_t) ndlp
->nlp_xri
<< 16) |
1753 ((uint32_t) ndlp
->nlp_type
<< 8) |
1754 ((uint32_t) ndlp
->nlp_rpi
& 0xff));
1755 /* LOG change to ADISC */
1756 /* FIND node DID adisc */
1757 lpfc_printf_log(phba
, KERN_INFO
, LOG_NODE
,
1758 "%d:0931 FIND node DID adisc "
1759 "Data: x%p x%x x%x x%x\n",
1761 ndlp
, ndlp
->nlp_DID
,
1762 ndlp
->nlp_flag
, data1
);
1763 spin_unlock_irq(phba
->host
->host_lock
);
1769 if (order
& NLP_SEARCH_REGLOGIN
) {
1770 list_for_each_entry_safe(ndlp
, next_ndlp
,
1771 &phba
->fc_reglogin_list
, nlp_listp
) {
1772 if (lpfc_matchdid(phba
, ndlp
, did
)) {
1774 data1
= (((uint32_t) ndlp
->nlp_state
<< 24) |
1775 ((uint32_t) ndlp
->nlp_xri
<< 16) |
1776 ((uint32_t) ndlp
->nlp_type
<< 8) |
1777 ((uint32_t) ndlp
->nlp_rpi
& 0xff));
1778 /* LOG change to REGLOGIN */
1779 /* FIND node DID reglogin */
1780 lpfc_printf_log(phba
, KERN_INFO
, LOG_NODE
,
1781 "%d:0931 FIND node DID reglogin"
1782 " Data: x%p x%x x%x x%x\n",
1784 ndlp
, ndlp
->nlp_DID
,
1785 ndlp
->nlp_flag
, data1
);
1786 spin_unlock_irq(phba
->host
->host_lock
);
1792 if (order
& NLP_SEARCH_PRLI
) {
1793 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_prli_list
,
1795 if (lpfc_matchdid(phba
, ndlp
, did
)) {
1797 data1
= (((uint32_t) ndlp
->nlp_state
<< 24) |
1798 ((uint32_t) ndlp
->nlp_xri
<< 16) |
1799 ((uint32_t) ndlp
->nlp_type
<< 8) |
1800 ((uint32_t) ndlp
->nlp_rpi
& 0xff));
1801 /* LOG change to PRLI */
1802 /* FIND node DID prli */
1803 lpfc_printf_log(phba
, KERN_INFO
, LOG_NODE
,
1804 "%d:0931 FIND node DID prli "
1805 "Data: x%p x%x x%x x%x\n",
1807 ndlp
, ndlp
->nlp_DID
,
1808 ndlp
->nlp_flag
, data1
);
1809 spin_unlock_irq(phba
->host
->host_lock
);
1815 if (order
& NLP_SEARCH_NPR
) {
1816 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_npr_list
,
1818 if (lpfc_matchdid(phba
, ndlp
, did
)) {
1820 data1
= (((uint32_t) ndlp
->nlp_state
<< 24) |
1821 ((uint32_t) ndlp
->nlp_xri
<< 16) |
1822 ((uint32_t) ndlp
->nlp_type
<< 8) |
1823 ((uint32_t) ndlp
->nlp_rpi
& 0xff));
1824 /* LOG change to NPR */
1825 /* FIND node DID npr */
1826 lpfc_printf_log(phba
, KERN_INFO
, LOG_NODE
,
1827 "%d:0931 FIND node DID npr "
1828 "Data: x%p x%x x%x x%x\n",
1830 ndlp
, ndlp
->nlp_DID
,
1831 ndlp
->nlp_flag
, data1
);
1832 spin_unlock_irq(phba
->host
->host_lock
);
1838 if (order
& NLP_SEARCH_UNUSED
) {
1839 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_adisc_list
,
1841 if (lpfc_matchdid(phba
, ndlp
, did
)) {
1843 data1
= (((uint32_t) ndlp
->nlp_state
<< 24) |
1844 ((uint32_t) ndlp
->nlp_xri
<< 16) |
1845 ((uint32_t) ndlp
->nlp_type
<< 8) |
1846 ((uint32_t) ndlp
->nlp_rpi
& 0xff));
1847 /* LOG change to UNUSED */
1848 /* FIND node DID unused */
1849 lpfc_printf_log(phba
, KERN_INFO
, LOG_NODE
,
1850 "%d:0931 FIND node DID unused "
1851 "Data: x%p x%x x%x x%x\n",
1853 ndlp
, ndlp
->nlp_DID
,
1854 ndlp
->nlp_flag
, data1
);
1855 spin_unlock_irq(phba
->host
->host_lock
);
1861 spin_unlock_irq(phba
->host
->host_lock
);
1863 /* FIND node did <did> NOT FOUND */
1864 lpfc_printf_log(phba
,
1867 "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n",
1868 phba
->brd_no
, did
, order
);
1870 /* no match found */
1874 struct lpfc_nodelist
*
1875 lpfc_setup_disc_node(struct lpfc_hba
* phba
, uint32_t did
)
1877 struct lpfc_nodelist
*ndlp
;
1880 ndlp
= lpfc_findnode_did(phba
, NLP_SEARCH_ALL
, did
);
1882 if ((phba
->fc_flag
& FC_RSCN_MODE
) &&
1883 ((lpfc_rscn_payload_check(phba
, did
) == 0)))
1885 ndlp
= (struct lpfc_nodelist
*)
1886 mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
1889 lpfc_nlp_init(phba
, ndlp
, did
);
1890 ndlp
->nlp_state
= NLP_STE_NPR_NODE
;
1891 lpfc_nlp_list(phba
, ndlp
, NLP_NPR_LIST
);
1892 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
1895 if (phba
->fc_flag
& FC_RSCN_MODE
) {
1896 if (lpfc_rscn_payload_check(phba
, did
)) {
1897 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
1899 /* Since this node is marked for discovery,
1900 * delay timeout is not needed.
1902 if (ndlp
->nlp_flag
& NLP_DELAY_TMO
)
1903 lpfc_cancel_retry_delay_tmo(phba
, ndlp
);
1905 ndlp
->nlp_flag
&= ~NLP_NPR_2B_DISC
;
1909 flg
= ndlp
->nlp_flag
& NLP_LIST_MASK
;
1910 if ((flg
== NLP_ADISC_LIST
) || (flg
== NLP_PLOGI_LIST
))
1912 ndlp
->nlp_state
= NLP_STE_NPR_NODE
;
1913 lpfc_nlp_list(phba
, ndlp
, NLP_NPR_LIST
);
1914 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
1919 /* Build a list of nodes to discover based on the loopmap */
1921 lpfc_disc_list_loopmap(struct lpfc_hba
* phba
)
1924 uint32_t alpa
, index
;
1926 if (phba
->hba_state
<= LPFC_LINK_DOWN
) {
1929 if (phba
->fc_topology
!= TOPOLOGY_LOOP
) {
1933 /* Check for loop map present or not */
1934 if (phba
->alpa_map
[0]) {
1935 for (j
= 1; j
<= phba
->alpa_map
[0]; j
++) {
1936 alpa
= phba
->alpa_map
[j
];
1938 if (((phba
->fc_myDID
& 0xff) == alpa
) || (alpa
== 0)) {
1941 lpfc_setup_disc_node(phba
, alpa
);
1944 /* No alpamap, so try all alpa's */
1945 for (j
= 0; j
< FC_MAXLOOP
; j
++) {
1946 /* If cfg_scan_down is set, start from highest
1947 * ALPA (0xef) to lowest (0x1).
1949 if (phba
->cfg_scan_down
)
1952 index
= FC_MAXLOOP
- j
- 1;
1953 alpa
= lpfcAlpaArray
[index
];
1954 if ((phba
->fc_myDID
& 0xff) == alpa
) {
1958 lpfc_setup_disc_node(phba
, alpa
);
1964 /* Start Link up / RSCN discovery on NPR list */
1966 lpfc_disc_start(struct lpfc_hba
* phba
)
1968 struct lpfc_sli
*psli
;
1970 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1971 uint32_t did_changed
, num_sent
;
1972 uint32_t clear_la_pending
;
1977 if (phba
->hba_state
<= LPFC_LINK_DOWN
) {
1980 if (phba
->hba_state
== LPFC_CLEAR_LA
)
1981 clear_la_pending
= 1;
1983 clear_la_pending
= 0;
1985 if (phba
->hba_state
< LPFC_HBA_READY
) {
1986 phba
->hba_state
= LPFC_DISC_AUTH
;
1988 lpfc_set_disctmo(phba
);
1990 if (phba
->fc_prevDID
== phba
->fc_myDID
) {
1995 phba
->fc_prevDID
= phba
->fc_myDID
;
1996 phba
->num_disc_nodes
= 0;
1998 /* Start Discovery state <hba_state> */
1999 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
2000 "%d:0202 Start Discovery hba state x%x "
2001 "Data: x%x x%x x%x\n",
2002 phba
->brd_no
, phba
->hba_state
, phba
->fc_flag
,
2003 phba
->fc_plogi_cnt
, phba
->fc_adisc_cnt
);
2005 /* If our did changed, we MUST do PLOGI */
2006 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_npr_list
,
2008 if (ndlp
->nlp_flag
& NLP_NPR_2B_DISC
) {
2010 spin_lock_irq(phba
->host
->host_lock
);
2011 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2012 spin_unlock_irq(phba
->host
->host_lock
);
2017 /* First do ADISCs - if any */
2018 num_sent
= lpfc_els_disc_adisc(phba
);
2023 if ((phba
->hba_state
< LPFC_HBA_READY
) && (!clear_la_pending
)) {
2024 /* If we get here, there is nothing to ADISC */
2025 if ((mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
))) {
2026 phba
->hba_state
= LPFC_CLEAR_LA
;
2027 lpfc_clear_la(phba
, mbox
);
2028 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_clear_la
;
2029 rc
= lpfc_sli_issue_mbox(phba
, mbox
,
2030 (MBX_NOWAIT
| MBX_STOP_IOCB
));
2031 if (rc
== MBX_NOT_FINISHED
) {
2032 mempool_free( mbox
, phba
->mbox_mem_pool
);
2033 lpfc_disc_flush_list(phba
);
2034 psli
->ring
[(psli
->ip_ring
)].flag
&=
2035 ~LPFC_STOP_IOCB_EVENT
;
2036 psli
->ring
[(psli
->fcp_ring
)].flag
&=
2037 ~LPFC_STOP_IOCB_EVENT
;
2038 psli
->ring
[(psli
->next_ring
)].flag
&=
2039 ~LPFC_STOP_IOCB_EVENT
;
2040 phba
->hba_state
= LPFC_HBA_READY
;
2044 /* Next do PLOGIs - if any */
2045 num_sent
= lpfc_els_disc_plogi(phba
);
2050 if (phba
->fc_flag
& FC_RSCN_MODE
) {
2051 /* Check to see if more RSCNs came in while we
2052 * were processing this one.
2054 if ((phba
->fc_rscn_id_cnt
== 0) &&
2055 (!(phba
->fc_flag
& FC_RSCN_DISCOVERY
))) {
2056 spin_lock_irq(phba
->host
->host_lock
);
2057 phba
->fc_flag
&= ~FC_RSCN_MODE
;
2058 spin_unlock_irq(phba
->host
->host_lock
);
2060 lpfc_els_handle_rscn(phba
);
2067 * Ignore completion for all IOCBs on tx and txcmpl queue for ELS
2068 * ring the match the sppecified nodelist.
2071 lpfc_free_tx(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
)
2073 struct lpfc_sli
*psli
;
2075 struct lpfc_iocbq
*iocb
, *next_iocb
;
2076 struct lpfc_sli_ring
*pring
;
2077 struct lpfc_dmabuf
*mp
;
2080 pring
= &psli
->ring
[LPFC_ELS_RING
];
2082 /* Error matching iocb on txq or txcmplq
2083 * First check the txq.
2085 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txq
, list
) {
2086 if (iocb
->context1
!= ndlp
) {
2090 if ((icmd
->ulpCommand
== CMD_ELS_REQUEST64_CR
) ||
2091 (icmd
->ulpCommand
== CMD_XMIT_ELS_RSP64_CX
)) {
2093 list_del(&iocb
->list
);
2095 lpfc_els_free_iocb(phba
, iocb
);
2099 /* Next check the txcmplq */
2100 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
, list
) {
2101 if (iocb
->context1
!= ndlp
) {
2105 if ((icmd
->ulpCommand
== CMD_ELS_REQUEST64_CR
) ||
2106 (icmd
->ulpCommand
== CMD_XMIT_ELS_RSP64_CX
)) {
2108 iocb
->iocb_cmpl
= NULL
;
2109 /* context2 = cmd, context2->next = rsp, context3 =
2111 if (iocb
->context2
) {
2112 /* Free the response IOCB before handling the
2115 mp
= (struct lpfc_dmabuf
*) (iocb
->context2
);
2116 mp
= list_get_first(&mp
->list
,
2120 /* Delay before releasing rsp buffer to
2121 * give UNREG mbox a chance to take
2125 &phba
->freebufList
);
2127 lpfc_mbuf_free(phba
,
2128 ((struct lpfc_dmabuf
*)
2129 iocb
->context2
)->virt
,
2130 ((struct lpfc_dmabuf
*)
2131 iocb
->context2
)->phys
);
2132 kfree(iocb
->context2
);
2135 if (iocb
->context3
) {
2136 lpfc_mbuf_free(phba
,
2137 ((struct lpfc_dmabuf
*)
2138 iocb
->context3
)->virt
,
2139 ((struct lpfc_dmabuf
*)
2140 iocb
->context3
)->phys
);
2141 kfree(iocb
->context3
);
2150 lpfc_disc_flush_list(struct lpfc_hba
* phba
)
2152 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2154 if (phba
->fc_plogi_cnt
) {
2155 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_plogi_list
,
2157 lpfc_free_tx(phba
, ndlp
);
2158 lpfc_nlp_remove(phba
, ndlp
);
2161 if (phba
->fc_adisc_cnt
) {
2162 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_adisc_list
,
2164 lpfc_free_tx(phba
, ndlp
);
2165 lpfc_nlp_remove(phba
, ndlp
);
2171 /*****************************************************************************/
2173 * NAME: lpfc_disc_timeout
2175 * FUNCTION: Fibre Channel driver discovery timeout routine.
2177 * EXECUTION ENVIRONMENT: interrupt only
2185 /*****************************************************************************/
2187 lpfc_disc_timeout(unsigned long ptr
)
2189 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
2190 unsigned long flags
= 0;
2192 if (unlikely(!phba
))
2195 spin_lock_irqsave(phba
->host
->host_lock
, flags
);
2196 if (!(phba
->work_hba_events
& WORKER_DISC_TMO
)) {
2197 phba
->work_hba_events
|= WORKER_DISC_TMO
;
2198 if (phba
->work_wait
)
2199 wake_up(phba
->work_wait
);
2201 spin_unlock_irqrestore(phba
->host
->host_lock
, flags
);
2206 lpfc_disc_timeout_handler(struct lpfc_hba
*phba
)
2208 struct lpfc_sli
*psli
;
2209 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2210 LPFC_MBOXQ_t
*clearlambox
, *initlinkmbox
;
2211 int rc
, clrlaerr
= 0;
2213 if (unlikely(!phba
))
2216 if (!(phba
->fc_flag
& FC_DISC_TMO
))
2221 spin_lock_irq(phba
->host
->host_lock
);
2222 phba
->fc_flag
&= ~FC_DISC_TMO
;
2223 spin_unlock_irq(phba
->host
->host_lock
);
2225 switch (phba
->hba_state
) {
2227 case LPFC_LOCAL_CFG_LINK
:
2228 /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */
2230 lpfc_printf_log(phba
,
2233 "%d:0221 FAN timeout\n",
2236 /* Start discovery by sending FLOGI, clean up old rpis */
2237 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_npr_list
,
2239 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2240 /* Clean up the ndlp on Fabric connections */
2241 lpfc_nlp_list(phba
, ndlp
, NLP_NO_LIST
);
2242 } else if (!(ndlp
->nlp_flag
& NLP_NPR_ADISC
)) {
2243 /* Fail outstanding IO now since device
2244 * is marked for PLOGI.
2246 lpfc_unreg_rpi(phba
, ndlp
);
2249 phba
->hba_state
= LPFC_FLOGI
;
2250 lpfc_set_disctmo(phba
);
2251 lpfc_initial_flogi(phba
);
2255 /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */
2256 /* Initial FLOGI timeout */
2257 lpfc_printf_log(phba
,
2260 "%d:0222 Initial FLOGI timeout\n",
2263 /* Assume no Fabric and go on with discovery.
2264 * Check for outstanding ELS FLOGI to abort.
2267 /* FLOGI failed, so just use loop map to make discovery list */
2268 lpfc_disc_list_loopmap(phba
);
2270 /* Start discovery */
2271 lpfc_disc_start(phba
);
2274 case LPFC_FABRIC_CFG_LINK
:
2275 /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for
2277 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2278 "%d:0223 Timeout while waiting for NameServer "
2279 "login\n", phba
->brd_no
);
2281 /* Next look for NameServer ndlp */
2282 ndlp
= lpfc_findnode_did(phba
, NLP_SEARCH_ALL
, NameServer_DID
);
2284 lpfc_nlp_remove(phba
, ndlp
);
2285 /* Start discovery */
2286 lpfc_disc_start(phba
);
2290 /* Check for wait for NameServer Rsp timeout */
2291 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2292 "%d:0224 NameServer Query timeout "
2295 phba
->fc_ns_retry
, LPFC_MAX_NS_RETRY
);
2297 ndlp
= lpfc_findnode_did(phba
, NLP_SEARCH_UNMAPPED
,
2300 if (phba
->fc_ns_retry
< LPFC_MAX_NS_RETRY
) {
2301 /* Try it one more time */
2302 rc
= lpfc_ns_cmd(phba
, ndlp
, SLI_CTNS_GID_FT
);
2306 phba
->fc_ns_retry
= 0;
2309 /* Nothing to authenticate, so CLEAR_LA right now */
2310 clearlambox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2313 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2314 "%d:0226 Device Discovery "
2315 "completion error\n",
2317 phba
->hba_state
= LPFC_HBA_ERROR
;
2321 phba
->hba_state
= LPFC_CLEAR_LA
;
2322 lpfc_clear_la(phba
, clearlambox
);
2323 clearlambox
->mbox_cmpl
= lpfc_mbx_cmpl_clear_la
;
2324 rc
= lpfc_sli_issue_mbox(phba
, clearlambox
,
2325 (MBX_NOWAIT
| MBX_STOP_IOCB
));
2326 if (rc
== MBX_NOT_FINISHED
) {
2327 mempool_free(clearlambox
, phba
->mbox_mem_pool
);
2332 /* Setup and issue mailbox INITIALIZE LINK command */
2333 initlinkmbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2334 if (!initlinkmbox
) {
2335 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2336 "%d:0226 Device Discovery "
2337 "completion error\n",
2339 phba
->hba_state
= LPFC_HBA_ERROR
;
2343 lpfc_linkdown(phba
);
2344 lpfc_init_link(phba
, initlinkmbox
, phba
->cfg_topology
,
2345 phba
->cfg_link_speed
);
2346 initlinkmbox
->mb
.un
.varInitLnk
.lipsr_AL_PA
= 0;
2347 rc
= lpfc_sli_issue_mbox(phba
, initlinkmbox
,
2348 (MBX_NOWAIT
| MBX_STOP_IOCB
));
2349 if (rc
== MBX_NOT_FINISHED
)
2350 mempool_free(initlinkmbox
, phba
->mbox_mem_pool
);
2354 case LPFC_DISC_AUTH
:
2355 /* Node Authentication timeout */
2356 lpfc_printf_log(phba
,
2359 "%d:0227 Node Authentication timeout\n",
2361 lpfc_disc_flush_list(phba
);
2362 clearlambox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2365 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2366 "%d:0226 Device Discovery "
2367 "completion error\n",
2369 phba
->hba_state
= LPFC_HBA_ERROR
;
2372 phba
->hba_state
= LPFC_CLEAR_LA
;
2373 lpfc_clear_la(phba
, clearlambox
);
2374 clearlambox
->mbox_cmpl
= lpfc_mbx_cmpl_clear_la
;
2375 rc
= lpfc_sli_issue_mbox(phba
, clearlambox
,
2376 (MBX_NOWAIT
| MBX_STOP_IOCB
));
2377 if (rc
== MBX_NOT_FINISHED
) {
2378 mempool_free(clearlambox
, phba
->mbox_mem_pool
);
2384 /* CLEAR LA timeout */
2385 lpfc_printf_log(phba
,
2388 "%d:0228 CLEAR LA timeout\n",
2393 case LPFC_HBA_READY
:
2394 if (phba
->fc_flag
& FC_RSCN_MODE
) {
2395 lpfc_printf_log(phba
,
2398 "%d:0231 RSCN timeout Data: x%x x%x\n",
2400 phba
->fc_ns_retry
, LPFC_MAX_NS_RETRY
);
2402 /* Cleanup any outstanding ELS commands */
2403 lpfc_els_flush_cmd(phba
);
2405 lpfc_els_flush_rscn(phba
);
2406 lpfc_disc_flush_list(phba
);
2412 lpfc_disc_flush_list(phba
);
2413 psli
->ring
[(psli
->ip_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
2414 psli
->ring
[(psli
->fcp_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
2415 psli
->ring
[(psli
->next_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
2416 phba
->hba_state
= LPFC_HBA_READY
;
2423 lpfc_nodev_timeout(unsigned long ptr
)
2425 struct lpfc_hba
*phba
;
2426 struct lpfc_nodelist
*ndlp
;
2427 unsigned long iflag
;
2428 struct lpfc_work_evt
*evtp
;
2430 ndlp
= (struct lpfc_nodelist
*)ptr
;
2431 phba
= ndlp
->nlp_phba
;
2432 evtp
= &ndlp
->nodev_timeout_evt
;
2433 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
2435 if (!list_empty(&evtp
->evt_listp
)) {
2436 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
2439 evtp
->evt_arg1
= ndlp
;
2440 evtp
->evt
= LPFC_EVT_NODEV_TMO
;
2441 list_add_tail(&evtp
->evt_listp
, &phba
->work_list
);
2442 if (phba
->work_wait
)
2443 wake_up(phba
->work_wait
);
2445 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
2451 * This routine handles processing a NameServer REG_LOGIN mailbox
2452 * command upon completion. It is setup in the LPFC_MBOXQ
2453 * as the completion routine when the command is
2454 * handed off to the SLI layer.
2457 lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmb
)
2459 struct lpfc_sli
*psli
;
2461 struct lpfc_dmabuf
*mp
;
2462 struct lpfc_nodelist
*ndlp
;
2467 ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
2468 mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
2470 pmb
->context1
= NULL
;
2472 ndlp
->nlp_rpi
= mb
->un
.varWords
[0];
2473 ndlp
->nlp_type
|= NLP_FABRIC
;
2474 ndlp
->nlp_state
= NLP_STE_UNMAPPED_NODE
;
2475 lpfc_nlp_list(phba
, ndlp
, NLP_UNMAPPED_LIST
);
2477 /* Start issuing Fabric-Device Management Interface (FDMI)
2478 * command to 0xfffffa (FDMI well known port)
2480 if (phba
->cfg_fdmi_on
== 1) {
2481 lpfc_fdmi_cmd(phba
, ndlp
, SLI_MGMT_DHBA
);
2484 * Delay issuing FDMI command if fdmi-on=2
2485 * (supporting RPA/hostnmae)
2487 mod_timer(&phba
->fc_fdmitmo
, jiffies
+ HZ
* 60);
2490 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2492 mempool_free( pmb
, phba
->mbox_mem_pool
);
2498 * This routine looks up the ndlp lists
2499 * for the given RPI. If rpi found
2500 * it return the node list pointer
2503 struct lpfc_nodelist
*
2504 lpfc_findnode_rpi(struct lpfc_hba
* phba
, uint16_t rpi
)
2506 struct lpfc_nodelist
*ndlp
;
2507 struct list_head
* lists
[]={&phba
->fc_nlpunmap_list
,
2508 &phba
->fc_nlpmap_list
,
2509 &phba
->fc_plogi_list
,
2510 &phba
->fc_adisc_list
,
2511 &phba
->fc_reglogin_list
};
2514 spin_lock_irq(phba
->host
->host_lock
);
2515 for (i
= 0; i
< ARRAY_SIZE(lists
); i
++ )
2516 list_for_each_entry(ndlp
, lists
[i
], nlp_listp
)
2517 if (ndlp
->nlp_rpi
== rpi
) {
2518 spin_unlock_irq(phba
->host
->host_lock
);
2521 spin_unlock_irq(phba
->host
->host_lock
);
2526 * This routine looks up the ndlp lists
2527 * for the given WWPN. If WWPN found
2528 * it return the node list pointer
2531 struct lpfc_nodelist
*
2532 lpfc_findnode_wwpn(struct lpfc_hba
* phba
, uint32_t order
,
2533 struct lpfc_name
* wwpn
)
2535 struct lpfc_nodelist
*ndlp
;
2536 struct list_head
* lists
[]={&phba
->fc_nlpunmap_list
,
2537 &phba
->fc_nlpmap_list
,
2539 &phba
->fc_plogi_list
,
2540 &phba
->fc_adisc_list
,
2541 &phba
->fc_reglogin_list
,
2542 &phba
->fc_prli_list
};
2543 uint32_t search
[]={NLP_SEARCH_UNMAPPED
,
2548 NLP_SEARCH_REGLOGIN
,
2552 spin_lock_irq(phba
->host
->host_lock
);
2553 for (i
= 0; i
< ARRAY_SIZE(lists
); i
++ ) {
2554 if (!(order
& search
[i
]))
2556 list_for_each_entry(ndlp
, lists
[i
], nlp_listp
) {
2557 if (memcmp(&ndlp
->nlp_portname
, wwpn
,
2558 sizeof(struct lpfc_name
)) == 0) {
2559 spin_unlock_irq(phba
->host
->host_lock
);
2564 spin_unlock_irq(phba
->host
->host_lock
);
2569 lpfc_nlp_init(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
,
2572 memset(ndlp
, 0, sizeof (struct lpfc_nodelist
));
2573 INIT_LIST_HEAD(&ndlp
->nodev_timeout_evt
.evt_listp
);
2574 INIT_LIST_HEAD(&ndlp
->els_retry_evt
.evt_listp
);
2575 init_timer(&ndlp
->nlp_tmofunc
);
2576 ndlp
->nlp_tmofunc
.function
= lpfc_nodev_timeout
;
2577 ndlp
->nlp_tmofunc
.data
= (unsigned long)ndlp
;
2578 init_timer(&ndlp
->nlp_delayfunc
);
2579 ndlp
->nlp_delayfunc
.function
= lpfc_els_retry_delay
;
2580 ndlp
->nlp_delayfunc
.data
= (unsigned long)ndlp
;
2581 ndlp
->nlp_DID
= did
;
2582 ndlp
->nlp_phba
= phba
;
2583 ndlp
->nlp_sid
= NLP_NO_SID
;