1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2015 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/delay.h>
24 #include <linux/slab.h>
25 #include <linux/pci.h>
26 #include <linux/kthread.h>
27 #include <linux/interrupt.h>
29 #include <scsi/scsi.h>
30 #include <scsi/scsi_device.h>
31 #include <scsi/scsi_host.h>
32 #include <scsi/scsi_transport_fc.h>
37 #include "lpfc_disc.h"
39 #include "lpfc_sli4.h"
40 #include "lpfc_scsi.h"
42 #include "lpfc_logmsg.h"
43 #include "lpfc_crtn.h"
44 #include "lpfc_vport.h"
45 #include "lpfc_debugfs.h"
47 /* AlpaArray for assignment of scsid for scan-down and bind_method */
48 static uint8_t lpfcAlpaArray
[] = {
49 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6,
50 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA,
51 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5,
52 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9,
53 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97,
54 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79,
55 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B,
56 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56,
57 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A,
58 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35,
59 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29,
60 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17,
61 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01
64 static void lpfc_disc_timeout_handler(struct lpfc_vport
*);
65 static void lpfc_disc_flush_list(struct lpfc_vport
*vport
);
66 static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
67 static int lpfc_fcf_inuse(struct lpfc_hba
*);
70 lpfc_terminate_rport_io(struct fc_rport
*rport
)
72 struct lpfc_rport_data
*rdata
;
73 struct lpfc_nodelist
* ndlp
;
74 struct lpfc_hba
*phba
;
76 rdata
= rport
->dd_data
;
79 if (!ndlp
|| !NLP_CHK_NODE_ACT(ndlp
)) {
80 if (rport
->roles
& FC_RPORT_ROLE_FCP_TARGET
)
81 printk(KERN_ERR
"Cannot find remote node"
82 " to terminate I/O Data x%x\n",
89 lpfc_debugfs_disc_trc(ndlp
->vport
, LPFC_DISC_TRC_RPORT
,
90 "rport terminate: sid:x%x did:x%x flg:x%x",
91 ndlp
->nlp_sid
, ndlp
->nlp_DID
, ndlp
->nlp_flag
);
93 if (ndlp
->nlp_sid
!= NLP_NO_SID
) {
94 lpfc_sli_abort_iocb(ndlp
->vport
,
95 &phba
->sli
.ring
[phba
->sli
.fcp_ring
],
96 ndlp
->nlp_sid
, 0, LPFC_CTX_TGT
);
101 * This function will be called when dev_loss_tmo fire.
104 lpfc_dev_loss_tmo_callbk(struct fc_rport
*rport
)
106 struct lpfc_rport_data
*rdata
;
107 struct lpfc_nodelist
* ndlp
;
108 struct lpfc_vport
*vport
;
109 struct Scsi_Host
*shost
;
110 struct lpfc_hba
*phba
;
111 struct lpfc_work_evt
*evtp
;
115 rdata
= rport
->dd_data
;
117 if (!ndlp
|| !NLP_CHK_NODE_ACT(ndlp
))
123 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_RPORT
,
124 "rport devlosscb: sid:x%x did:x%x flg:x%x",
125 ndlp
->nlp_sid
, ndlp
->nlp_DID
, ndlp
->nlp_flag
);
127 lpfc_printf_vlog(ndlp
->vport
, KERN_INFO
, LOG_NODE
,
128 "3181 dev_loss_callbk x%06x, rport %p flg x%x\n",
129 ndlp
->nlp_DID
, ndlp
->rport
, ndlp
->nlp_flag
);
131 /* Don't defer this if we are in the process of deleting the vport
132 * or unloading the driver. The unload will cleanup the node
133 * appropriately we just need to cleanup the ndlp rport info here.
135 if (vport
->load_flag
& FC_UNLOADING
) {
136 put_node
= rdata
->pnode
!= NULL
;
137 put_rport
= ndlp
->rport
!= NULL
;
143 put_device(&rport
->dev
);
147 if (ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
)
150 if (rport
->port_name
!= wwn_to_u64(ndlp
->nlp_portname
.u
.wwn
))
151 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_NODE
,
152 "6789 rport name %llx != node port name %llx",
154 wwn_to_u64(ndlp
->nlp_portname
.u
.wwn
));
156 evtp
= &ndlp
->dev_loss_evt
;
158 if (!list_empty(&evtp
->evt_listp
)) {
159 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_NODE
,
160 "6790 rport name %llx dev_loss_evt pending",
165 shost
= lpfc_shost_from_vport(vport
);
166 spin_lock_irq(shost
->host_lock
);
167 ndlp
->nlp_flag
|= NLP_IN_DEV_LOSS
;
168 spin_unlock_irq(shost
->host_lock
);
170 /* We need to hold the node by incrementing the reference
171 * count until this queued work is done
173 evtp
->evt_arg1
= lpfc_nlp_get(ndlp
);
175 spin_lock_irq(&phba
->hbalock
);
176 if (evtp
->evt_arg1
) {
177 evtp
->evt
= LPFC_EVT_DEV_LOSS
;
178 list_add_tail(&evtp
->evt_listp
, &phba
->work_list
);
179 lpfc_worker_wake_up(phba
);
181 spin_unlock_irq(&phba
->hbalock
);
187 * lpfc_dev_loss_tmo_handler - Remote node devloss timeout handler
188 * @ndlp: Pointer to remote node object.
190 * This function is called from the worker thread when devloss timeout timer
191 * expires. For SLI4 host, this routine shall return 1 when at lease one
192 * remote node, including this @ndlp, is still in use of FCF; otherwise, this
193 * routine shall return 0 when there is no remote node is still in use of FCF
194 * when devloss timeout happened to this @ndlp.
197 lpfc_dev_loss_tmo_handler(struct lpfc_nodelist
*ndlp
)
199 struct lpfc_rport_data
*rdata
;
200 struct fc_rport
*rport
;
201 struct lpfc_vport
*vport
;
202 struct lpfc_hba
*phba
;
203 struct Scsi_Host
*shost
;
211 shost
= lpfc_shost_from_vport(vport
);
213 spin_lock_irq(shost
->host_lock
);
214 ndlp
->nlp_flag
&= ~NLP_IN_DEV_LOSS
;
215 spin_unlock_irq(shost
->host_lock
);
220 name
= (uint8_t *) &ndlp
->nlp_portname
;
223 if (phba
->sli_rev
== LPFC_SLI_REV4
)
224 fcf_inuse
= lpfc_fcf_inuse(phba
);
226 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_RPORT
,
227 "rport devlosstmo:did:x%x type:x%x id:x%x",
228 ndlp
->nlp_DID
, ndlp
->nlp_type
, rport
->scsi_target_id
);
230 lpfc_printf_vlog(ndlp
->vport
, KERN_INFO
, LOG_NODE
,
231 "3182 dev_loss_tmo_handler x%06x, rport %p flg x%x\n",
232 ndlp
->nlp_DID
, ndlp
->rport
, ndlp
->nlp_flag
);
235 * lpfc_nlp_remove if reached with dangling rport drops the
236 * reference. To make sure that does not happen clear rport
237 * pointer in ndlp before lpfc_nlp_put.
239 rdata
= rport
->dd_data
;
241 /* Don't defer this if we are in the process of deleting the vport
242 * or unloading the driver. The unload will cleanup the node
243 * appropriately we just need to cleanup the ndlp rport info here.
245 if (vport
->load_flag
& FC_UNLOADING
) {
246 if (ndlp
->nlp_sid
!= NLP_NO_SID
) {
247 /* flush the target */
248 lpfc_sli_abort_iocb(vport
,
249 &phba
->sli
.ring
[phba
->sli
.fcp_ring
],
250 ndlp
->nlp_sid
, 0, LPFC_CTX_TGT
);
252 put_node
= rdata
->pnode
!= NULL
;
257 put_device(&rport
->dev
);
262 if (ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
) {
263 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_DISCOVERY
,
264 "0284 Devloss timeout Ignored on "
265 "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
267 *name
, *(name
+1), *(name
+2), *(name
+3),
268 *(name
+4), *(name
+5), *(name
+6), *(name
+7),
273 put_node
= rdata
->pnode
!= NULL
;
278 put_device(&rport
->dev
);
280 if (ndlp
->nlp_type
& NLP_FABRIC
)
283 if (ndlp
->nlp_sid
!= NLP_NO_SID
) {
285 lpfc_sli_abort_iocb(vport
, &phba
->sli
.ring
[phba
->sli
.fcp_ring
],
286 ndlp
->nlp_sid
, 0, LPFC_CTX_TGT
);
290 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
291 "0203 Devloss timeout on "
292 "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x "
293 "NPort x%06x Data: x%x x%x x%x\n",
294 *name
, *(name
+1), *(name
+2), *(name
+3),
295 *(name
+4), *(name
+5), *(name
+6), *(name
+7),
296 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
297 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
299 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_DISCOVERY
,
300 "0204 Devloss timeout on "
301 "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x "
302 "NPort x%06x Data: x%x x%x x%x\n",
303 *name
, *(name
+1), *(name
+2), *(name
+3),
304 *(name
+4), *(name
+5), *(name
+6), *(name
+7),
305 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
306 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
309 if (!(vport
->load_flag
& FC_UNLOADING
) &&
310 !(ndlp
->nlp_flag
& NLP_DELAY_TMO
) &&
311 !(ndlp
->nlp_flag
& NLP_NPR_2B_DISC
) &&
312 (ndlp
->nlp_state
!= NLP_STE_UNMAPPED_NODE
) &&
313 (ndlp
->nlp_state
!= NLP_STE_REG_LOGIN_ISSUE
) &&
314 (ndlp
->nlp_state
!= NLP_STE_PRLI_ISSUE
))
315 lpfc_disc_state_machine(vport
, ndlp
, NULL
, NLP_EVT_DEVICE_RM
);
321 * lpfc_sli4_post_dev_loss_tmo_handler - SLI4 post devloss timeout handler
322 * @phba: Pointer to hba context object.
323 * @fcf_inuse: SLI4 FCF in-use state reported from devloss timeout handler.
324 * @nlp_did: remote node identifer with devloss timeout.
326 * This function is called from the worker thread after invoking devloss
327 * timeout handler and releasing the reference count for the ndlp with
328 * which the devloss timeout was handled for SLI4 host. For the devloss
329 * timeout of the last remote node which had been in use of FCF, when this
330 * routine is invoked, it shall be guaranteed that none of the remote are
331 * in-use of FCF. When devloss timeout to the last remote using the FCF,
332 * if the FIP engine is neither in FCF table scan process nor roundrobin
333 * failover process, the in-use FCF shall be unregistered. If the FIP
334 * engine is in FCF discovery process, the devloss timeout state shall
335 * be set for either the FCF table scan process or roundrobin failover
336 * process to unregister the in-use FCF.
339 lpfc_sli4_post_dev_loss_tmo_handler(struct lpfc_hba
*phba
, int fcf_inuse
,
342 /* If devloss timeout happened to a remote node when FCF had no
343 * longer been in-use, do nothing.
348 if ((phba
->hba_flag
& HBA_FIP_SUPPORT
) && !lpfc_fcf_inuse(phba
)) {
349 spin_lock_irq(&phba
->hbalock
);
350 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
351 if (phba
->hba_flag
& HBA_DEVLOSS_TMO
) {
352 spin_unlock_irq(&phba
->hbalock
);
355 phba
->hba_flag
|= HBA_DEVLOSS_TMO
;
356 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
357 "2847 Last remote node (x%x) using "
358 "FCF devloss tmo\n", nlp_did
);
360 if (phba
->fcf
.fcf_flag
& FCF_REDISC_PROG
) {
361 spin_unlock_irq(&phba
->hbalock
);
362 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
363 "2868 Devloss tmo to FCF rediscovery "
367 if (!(phba
->hba_flag
& (FCF_TS_INPROG
| FCF_RR_INPROG
))) {
368 spin_unlock_irq(&phba
->hbalock
);
369 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
370 "2869 Devloss tmo to idle FIP engine, "
371 "unreg in-use FCF and rescan.\n");
372 /* Unregister in-use FCF and rescan */
373 lpfc_unregister_fcf_rescan(phba
);
376 spin_unlock_irq(&phba
->hbalock
);
377 if (phba
->hba_flag
& FCF_TS_INPROG
)
378 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
379 "2870 FCF table scan in progress\n");
380 if (phba
->hba_flag
& FCF_RR_INPROG
)
381 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
382 "2871 FLOGI roundrobin FCF failover "
385 lpfc_unregister_unused_fcf(phba
);
389 * lpfc_alloc_fast_evt - Allocates data structure for posting event
390 * @phba: Pointer to hba context object.
392 * This function is called from the functions which need to post
393 * events from interrupt context. This function allocates data
394 * structure required for posting event. It also keeps track of
395 * number of events pending and prevent event storm when there are
398 struct lpfc_fast_path_event
*
399 lpfc_alloc_fast_evt(struct lpfc_hba
*phba
) {
400 struct lpfc_fast_path_event
*ret
;
402 /* If there are lot of fast event do not exhaust memory due to this */
403 if (atomic_read(&phba
->fast_event_count
) > LPFC_MAX_EVT_COUNT
)
406 ret
= kzalloc(sizeof(struct lpfc_fast_path_event
),
409 atomic_inc(&phba
->fast_event_count
);
410 INIT_LIST_HEAD(&ret
->work_evt
.evt_listp
);
411 ret
->work_evt
.evt
= LPFC_EVT_FASTPATH_MGMT_EVT
;
417 * lpfc_free_fast_evt - Frees event data structure
418 * @phba: Pointer to hba context object.
419 * @evt: Event object which need to be freed.
421 * This function frees the data structure required for posting
425 lpfc_free_fast_evt(struct lpfc_hba
*phba
,
426 struct lpfc_fast_path_event
*evt
) {
428 atomic_dec(&phba
->fast_event_count
);
433 * lpfc_send_fastpath_evt - Posts events generated from fast path
434 * @phba: Pointer to hba context object.
435 * @evtp: Event data structure.
437 * This function is called from worker thread, when the interrupt
438 * context need to post an event. This function posts the event
439 * to fc transport netlink interface.
442 lpfc_send_fastpath_evt(struct lpfc_hba
*phba
,
443 struct lpfc_work_evt
*evtp
)
445 unsigned long evt_category
, evt_sub_category
;
446 struct lpfc_fast_path_event
*fast_evt_data
;
448 uint32_t evt_data_size
;
449 struct Scsi_Host
*shost
;
451 fast_evt_data
= container_of(evtp
, struct lpfc_fast_path_event
,
454 evt_category
= (unsigned long) fast_evt_data
->un
.fabric_evt
.event_type
;
455 evt_sub_category
= (unsigned long) fast_evt_data
->un
.
456 fabric_evt
.subcategory
;
457 shost
= lpfc_shost_from_vport(fast_evt_data
->vport
);
458 if (evt_category
== FC_REG_FABRIC_EVENT
) {
459 if (evt_sub_category
== LPFC_EVENT_FCPRDCHKERR
) {
460 evt_data
= (char *) &fast_evt_data
->un
.read_check_error
;
461 evt_data_size
= sizeof(fast_evt_data
->un
.
463 } else if ((evt_sub_category
== LPFC_EVENT_FABRIC_BUSY
) ||
464 (evt_sub_category
== LPFC_EVENT_PORT_BUSY
)) {
465 evt_data
= (char *) &fast_evt_data
->un
.fabric_evt
;
466 evt_data_size
= sizeof(fast_evt_data
->un
.fabric_evt
);
468 lpfc_free_fast_evt(phba
, fast_evt_data
);
471 } else if (evt_category
== FC_REG_SCSI_EVENT
) {
472 switch (evt_sub_category
) {
473 case LPFC_EVENT_QFULL
:
474 case LPFC_EVENT_DEVBSY
:
475 evt_data
= (char *) &fast_evt_data
->un
.scsi_evt
;
476 evt_data_size
= sizeof(fast_evt_data
->un
.scsi_evt
);
478 case LPFC_EVENT_CHECK_COND
:
479 evt_data
= (char *) &fast_evt_data
->un
.check_cond_evt
;
480 evt_data_size
= sizeof(fast_evt_data
->un
.
483 case LPFC_EVENT_VARQUEDEPTH
:
484 evt_data
= (char *) &fast_evt_data
->un
.queue_depth_evt
;
485 evt_data_size
= sizeof(fast_evt_data
->un
.
489 lpfc_free_fast_evt(phba
, fast_evt_data
);
493 lpfc_free_fast_evt(phba
, fast_evt_data
);
497 fc_host_post_vendor_event(shost
,
498 fc_get_event_number(),
503 lpfc_free_fast_evt(phba
, fast_evt_data
);
508 lpfc_work_list_done(struct lpfc_hba
*phba
)
510 struct lpfc_work_evt
*evtp
= NULL
;
511 struct lpfc_nodelist
*ndlp
;
516 spin_lock_irq(&phba
->hbalock
);
517 while (!list_empty(&phba
->work_list
)) {
518 list_remove_head((&phba
->work_list
), evtp
, typeof(*evtp
),
520 spin_unlock_irq(&phba
->hbalock
);
523 case LPFC_EVT_ELS_RETRY
:
524 ndlp
= (struct lpfc_nodelist
*) (evtp
->evt_arg1
);
525 lpfc_els_retry_delay_handler(ndlp
);
526 free_evt
= 0; /* evt is part of ndlp */
527 /* decrement the node reference count held
528 * for this queued work
532 case LPFC_EVT_DEV_LOSS
:
533 ndlp
= (struct lpfc_nodelist
*)(evtp
->evt_arg1
);
534 fcf_inuse
= lpfc_dev_loss_tmo_handler(ndlp
);
536 /* decrement the node reference count held for
539 nlp_did
= ndlp
->nlp_DID
;
541 if (phba
->sli_rev
== LPFC_SLI_REV4
)
542 lpfc_sli4_post_dev_loss_tmo_handler(phba
,
546 case LPFC_EVT_ONLINE
:
547 if (phba
->link_state
< LPFC_LINK_DOWN
)
548 *(int *) (evtp
->evt_arg1
) = lpfc_online(phba
);
550 *(int *) (evtp
->evt_arg1
) = 0;
551 complete((struct completion
*)(evtp
->evt_arg2
));
553 case LPFC_EVT_OFFLINE_PREP
:
554 if (phba
->link_state
>= LPFC_LINK_DOWN
)
555 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
556 *(int *)(evtp
->evt_arg1
) = 0;
557 complete((struct completion
*)(evtp
->evt_arg2
));
559 case LPFC_EVT_OFFLINE
:
561 lpfc_sli_brdrestart(phba
);
562 *(int *)(evtp
->evt_arg1
) =
563 lpfc_sli_brdready(phba
, HS_FFRDY
| HS_MBRDY
);
564 lpfc_unblock_mgmt_io(phba
);
565 complete((struct completion
*)(evtp
->evt_arg2
));
567 case LPFC_EVT_WARM_START
:
569 lpfc_reset_barrier(phba
);
570 lpfc_sli_brdreset(phba
);
571 lpfc_hba_down_post(phba
);
572 *(int *)(evtp
->evt_arg1
) =
573 lpfc_sli_brdready(phba
, HS_MBRDY
);
574 lpfc_unblock_mgmt_io(phba
);
575 complete((struct completion
*)(evtp
->evt_arg2
));
579 *(int *)(evtp
->evt_arg1
)
580 = (phba
->pport
->stopped
)
581 ? 0 : lpfc_sli_brdkill(phba
);
582 lpfc_unblock_mgmt_io(phba
);
583 complete((struct completion
*)(evtp
->evt_arg2
));
585 case LPFC_EVT_FASTPATH_MGMT_EVT
:
586 lpfc_send_fastpath_evt(phba
, evtp
);
589 case LPFC_EVT_RESET_HBA
:
590 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
591 lpfc_reset_hba(phba
);
596 spin_lock_irq(&phba
->hbalock
);
598 spin_unlock_irq(&phba
->hbalock
);
603 lpfc_work_done(struct lpfc_hba
*phba
)
605 struct lpfc_sli_ring
*pring
;
606 uint32_t ha_copy
, status
, control
, work_port_events
;
607 struct lpfc_vport
**vports
;
608 struct lpfc_vport
*vport
;
611 spin_lock_irq(&phba
->hbalock
);
612 ha_copy
= phba
->work_ha
;
614 spin_unlock_irq(&phba
->hbalock
);
616 /* First, try to post the next mailbox command to SLI4 device */
617 if (phba
->pci_dev_grp
== LPFC_PCI_DEV_OC
)
618 lpfc_sli4_post_async_mbox(phba
);
620 if (ha_copy
& HA_ERATT
)
621 /* Handle the error attention event */
622 lpfc_handle_eratt(phba
);
624 if (ha_copy
& HA_MBATT
)
625 lpfc_sli_handle_mb_event(phba
);
627 if (ha_copy
& HA_LATT
)
628 lpfc_handle_latt(phba
);
630 /* Process SLI4 events */
631 if (phba
->pci_dev_grp
== LPFC_PCI_DEV_OC
) {
632 if (phba
->hba_flag
& HBA_RRQ_ACTIVE
)
633 lpfc_handle_rrq_active(phba
);
634 if (phba
->hba_flag
& FCP_XRI_ABORT_EVENT
)
635 lpfc_sli4_fcp_xri_abort_event_proc(phba
);
636 if (phba
->hba_flag
& ELS_XRI_ABORT_EVENT
)
637 lpfc_sli4_els_xri_abort_event_proc(phba
);
638 if (phba
->hba_flag
& ASYNC_EVENT
)
639 lpfc_sli4_async_event_proc(phba
);
640 if (phba
->hba_flag
& HBA_POST_RECEIVE_BUFFER
) {
641 spin_lock_irq(&phba
->hbalock
);
642 phba
->hba_flag
&= ~HBA_POST_RECEIVE_BUFFER
;
643 spin_unlock_irq(&phba
->hbalock
);
644 lpfc_sli_hbqbuf_add_hbqs(phba
, LPFC_ELS_HBQ
);
646 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
)
647 lpfc_sli4_fcf_redisc_event_proc(phba
);
650 vports
= lpfc_create_vport_work_array(phba
);
652 for (i
= 0; i
<= phba
->max_vports
; i
++) {
654 * We could have no vports in array if unloading, so if
655 * this happens then just use the pport
657 if (vports
[i
] == NULL
&& i
== 0)
663 spin_lock_irq(&vport
->work_port_lock
);
664 work_port_events
= vport
->work_port_events
;
665 vport
->work_port_events
&= ~work_port_events
;
666 spin_unlock_irq(&vport
->work_port_lock
);
667 if (work_port_events
& WORKER_DISC_TMO
)
668 lpfc_disc_timeout_handler(vport
);
669 if (work_port_events
& WORKER_ELS_TMO
)
670 lpfc_els_timeout_handler(vport
);
671 if (work_port_events
& WORKER_HB_TMO
)
672 lpfc_hb_timeout_handler(phba
);
673 if (work_port_events
& WORKER_MBOX_TMO
)
674 lpfc_mbox_timeout_handler(phba
);
675 if (work_port_events
& WORKER_FABRIC_BLOCK_TMO
)
676 lpfc_unblock_fabric_iocbs(phba
);
677 if (work_port_events
& WORKER_FDMI_TMO
)
678 lpfc_fdmi_timeout_handler(vport
);
679 if (work_port_events
& WORKER_RAMP_DOWN_QUEUE
)
680 lpfc_ramp_down_queue_handler(phba
);
681 if (work_port_events
& WORKER_DELAYED_DISC_TMO
)
682 lpfc_delayed_disc_timeout_handler(vport
);
684 lpfc_destroy_vport_work_array(phba
, vports
);
686 pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
687 status
= (ha_copy
& (HA_RXMASK
<< (4*LPFC_ELS_RING
)));
688 status
>>= (4*LPFC_ELS_RING
);
689 if ((status
& HA_RXMASK
) ||
690 (pring
->flag
& LPFC_DEFERRED_RING_EVENT
) ||
691 (phba
->hba_flag
& HBA_SP_QUEUE_EVT
)) {
692 if (pring
->flag
& LPFC_STOP_IOCB_EVENT
) {
693 pring
->flag
|= LPFC_DEFERRED_RING_EVENT
;
694 /* Preserve legacy behavior. */
695 if (!(phba
->hba_flag
& HBA_SP_QUEUE_EVT
))
696 set_bit(LPFC_DATA_READY
, &phba
->data_flags
);
698 if (phba
->link_state
>= LPFC_LINK_UP
) {
699 pring
->flag
&= ~LPFC_DEFERRED_RING_EVENT
;
700 lpfc_sli_handle_slow_ring_event(phba
, pring
,
705 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
706 (!list_empty(&pring
->txq
)))
707 lpfc_drain_txq(phba
);
709 * Turn on Ring interrupts
711 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
712 spin_lock_irq(&phba
->hbalock
);
713 control
= readl(phba
->HCregaddr
);
714 if (!(control
& (HC_R0INT_ENA
<< LPFC_ELS_RING
))) {
715 lpfc_debugfs_slow_ring_trc(phba
,
716 "WRK Enable ring: cntl:x%x hacopy:x%x",
717 control
, ha_copy
, 0);
719 control
|= (HC_R0INT_ENA
<< LPFC_ELS_RING
);
720 writel(control
, phba
->HCregaddr
);
721 readl(phba
->HCregaddr
); /* flush */
723 lpfc_debugfs_slow_ring_trc(phba
,
724 "WRK Ring ok: cntl:x%x hacopy:x%x",
725 control
, ha_copy
, 0);
727 spin_unlock_irq(&phba
->hbalock
);
730 lpfc_work_list_done(phba
);
734 lpfc_do_work(void *p
)
736 struct lpfc_hba
*phba
= p
;
739 set_user_nice(current
, MIN_NICE
);
740 current
->flags
|= PF_NOFREEZE
;
741 phba
->data_flags
= 0;
743 while (!kthread_should_stop()) {
744 /* wait and check worker queue activities */
745 rc
= wait_event_interruptible(phba
->work_waitq
,
746 (test_and_clear_bit(LPFC_DATA_READY
,
748 || kthread_should_stop()));
749 /* Signal wakeup shall terminate the worker thread */
751 lpfc_printf_log(phba
, KERN_ERR
, LOG_ELS
,
752 "0433 Wakeup on signal: rc=x%x\n", rc
);
756 /* Attend pending lpfc data processing */
757 lpfc_work_done(phba
);
759 phba
->worker_thread
= NULL
;
760 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
761 "0432 Worker thread stopped.\n");
766 * This is only called to handle FC worker events. Since this a rare
767 * occurrence, we allocate a struct lpfc_work_evt structure here instead of
768 * embedding it in the IOCB.
771 lpfc_workq_post_event(struct lpfc_hba
*phba
, void *arg1
, void *arg2
,
774 struct lpfc_work_evt
*evtp
;
778 * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will
779 * be queued to worker thread for processing
781 evtp
= kmalloc(sizeof(struct lpfc_work_evt
), GFP_ATOMIC
);
785 evtp
->evt_arg1
= arg1
;
786 evtp
->evt_arg2
= arg2
;
789 spin_lock_irqsave(&phba
->hbalock
, flags
);
790 list_add_tail(&evtp
->evt_listp
, &phba
->work_list
);
791 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
793 lpfc_worker_wake_up(phba
);
799 lpfc_cleanup_rpis(struct lpfc_vport
*vport
, int remove
)
801 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
802 struct lpfc_hba
*phba
= vport
->phba
;
803 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
805 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
806 if (!NLP_CHK_NODE_ACT(ndlp
))
808 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
810 if ((phba
->sli3_options
& LPFC_SLI3_VPORT_TEARDOWN
) ||
811 ((vport
->port_type
== LPFC_NPIV_PORT
) &&
812 (ndlp
->nlp_DID
== NameServer_DID
)))
813 lpfc_unreg_rpi(vport
, ndlp
);
815 /* Leave Fabric nodes alone on link down */
816 if ((phba
->sli_rev
< LPFC_SLI_REV4
) &&
817 (!remove
&& ndlp
->nlp_type
& NLP_FABRIC
))
819 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
822 : NLP_EVT_DEVICE_RECOVERY
);
824 if (phba
->sli3_options
& LPFC_SLI3_VPORT_TEARDOWN
) {
825 if (phba
->sli_rev
== LPFC_SLI_REV4
)
826 lpfc_sli4_unreg_all_rpis(vport
);
827 lpfc_mbx_unreg_vpi(vport
);
828 spin_lock_irq(shost
->host_lock
);
829 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
830 spin_unlock_irq(shost
->host_lock
);
835 lpfc_port_link_failure(struct lpfc_vport
*vport
)
837 lpfc_vport_set_state(vport
, FC_VPORT_LINKDOWN
);
839 /* Cleanup any outstanding received buffers */
840 lpfc_cleanup_rcv_buffers(vport
);
842 /* Cleanup any outstanding RSCN activity */
843 lpfc_els_flush_rscn(vport
);
845 /* Cleanup any outstanding ELS commands */
846 lpfc_els_flush_cmd(vport
);
848 lpfc_cleanup_rpis(vport
, 0);
850 /* Turn off discovery timer if its running */
851 lpfc_can_disctmo(vport
);
855 lpfc_linkdown_port(struct lpfc_vport
*vport
)
857 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
859 fc_host_post_event(shost
, fc_get_event_number(), FCH_EVT_LINKDOWN
, 0);
861 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_ELS_CMD
,
862 "Link Down: state:x%x rtry:x%x flg:x%x",
863 vport
->port_state
, vport
->fc_ns_retry
, vport
->fc_flag
);
865 lpfc_port_link_failure(vport
);
867 /* Stop delayed Nport discovery */
868 spin_lock_irq(shost
->host_lock
);
869 vport
->fc_flag
&= ~FC_DISC_DELAYED
;
870 spin_unlock_irq(shost
->host_lock
);
871 del_timer_sync(&vport
->delayed_disc_tmo
);
875 lpfc_linkdown(struct lpfc_hba
*phba
)
877 struct lpfc_vport
*vport
= phba
->pport
;
878 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
879 struct lpfc_vport
**vports
;
883 if (phba
->link_state
== LPFC_LINK_DOWN
)
886 /* Block all SCSI stack I/Os */
887 lpfc_scsi_dev_block(phba
);
889 spin_lock_irq(&phba
->hbalock
);
890 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
891 spin_unlock_irq(&phba
->hbalock
);
892 if (phba
->link_state
> LPFC_LINK_DOWN
) {
893 phba
->link_state
= LPFC_LINK_DOWN
;
894 spin_lock_irq(shost
->host_lock
);
895 phba
->pport
->fc_flag
&= ~FC_LBIT
;
896 spin_unlock_irq(shost
->host_lock
);
898 vports
= lpfc_create_vport_work_array(phba
);
900 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
901 /* Issue a LINK DOWN event to all nodes */
902 lpfc_linkdown_port(vports
[i
]);
904 lpfc_destroy_vport_work_array(phba
, vports
);
905 /* Clean up any firmware default rpi's */
906 mb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
908 lpfc_unreg_did(phba
, 0xffff, LPFC_UNREG_ALL_DFLT_RPIS
, mb
);
910 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
911 if (lpfc_sli_issue_mbox(phba
, mb
, MBX_NOWAIT
)
912 == MBX_NOT_FINISHED
) {
913 mempool_free(mb
, phba
->mbox_mem_pool
);
917 /* Setup myDID for link up if we are in pt2pt mode */
918 if (phba
->pport
->fc_flag
& FC_PT2PT
) {
919 phba
->pport
->fc_myDID
= 0;
920 mb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
922 lpfc_config_link(phba
, mb
);
923 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
925 if (lpfc_sli_issue_mbox(phba
, mb
, MBX_NOWAIT
)
926 == MBX_NOT_FINISHED
) {
927 mempool_free(mb
, phba
->mbox_mem_pool
);
930 spin_lock_irq(shost
->host_lock
);
931 phba
->pport
->fc_flag
&= ~(FC_PT2PT
| FC_PT2PT_PLOGI
);
932 spin_unlock_irq(shost
->host_lock
);
939 lpfc_linkup_cleanup_nodes(struct lpfc_vport
*vport
)
941 struct lpfc_nodelist
*ndlp
;
943 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
944 if (!NLP_CHK_NODE_ACT(ndlp
))
946 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
948 if (ndlp
->nlp_type
& NLP_FABRIC
) {
949 /* On Linkup its safe to clean up the ndlp
950 * from Fabric connections.
952 if (ndlp
->nlp_DID
!= Fabric_DID
)
953 lpfc_unreg_rpi(vport
, ndlp
);
954 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_NPR_NODE
);
955 } else if (!(ndlp
->nlp_flag
& NLP_NPR_ADISC
)) {
956 /* Fail outstanding IO now since device is
959 lpfc_unreg_rpi(vport
, ndlp
);
965 lpfc_linkup_port(struct lpfc_vport
*vport
)
967 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
968 struct lpfc_hba
*phba
= vport
->phba
;
970 if ((vport
->load_flag
& FC_UNLOADING
) != 0)
973 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_ELS_CMD
,
974 "Link Up: top:x%x speed:x%x flg:x%x",
975 phba
->fc_topology
, phba
->fc_linkspeed
, phba
->link_flag
);
977 /* If NPIV is not enabled, only bring the physical port up */
978 if (!(phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
) &&
979 (vport
!= phba
->pport
))
982 fc_host_post_event(shost
, fc_get_event_number(), FCH_EVT_LINKUP
, 0);
984 spin_lock_irq(shost
->host_lock
);
985 vport
->fc_flag
&= ~(FC_PT2PT
| FC_PT2PT_PLOGI
| FC_ABORT_DISCOVERY
|
986 FC_RSCN_MODE
| FC_NLP_MORE
| FC_RSCN_DISCOVERY
);
987 vport
->fc_flag
|= FC_NDISC_ACTIVE
;
988 vport
->fc_ns_retry
= 0;
989 spin_unlock_irq(shost
->host_lock
);
991 if (vport
->fc_flag
& FC_LBIT
)
992 lpfc_linkup_cleanup_nodes(vport
);
997 lpfc_linkup(struct lpfc_hba
*phba
)
999 struct lpfc_vport
**vports
;
1002 phba
->link_state
= LPFC_LINK_UP
;
1004 /* Unblock fabric iocbs if they are blocked */
1005 clear_bit(FABRIC_COMANDS_BLOCKED
, &phba
->bit_flags
);
1006 del_timer_sync(&phba
->fabric_block_timer
);
1008 vports
= lpfc_create_vport_work_array(phba
);
1010 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
1011 lpfc_linkup_port(vports
[i
]);
1012 lpfc_destroy_vport_work_array(phba
, vports
);
1018 * This routine handles processing a CLEAR_LA mailbox
1019 * command upon completion. It is setup in the LPFC_MBOXQ
1020 * as the completion routine when the command is
1021 * handed off to the SLI layer.
1024 lpfc_mbx_cmpl_clear_la(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
1026 struct lpfc_vport
*vport
= pmb
->vport
;
1027 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1028 struct lpfc_sli
*psli
= &phba
->sli
;
1029 MAILBOX_t
*mb
= &pmb
->u
.mb
;
1032 /* Since we don't do discovery right now, turn these off here */
1033 psli
->ring
[psli
->extra_ring
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1034 psli
->ring
[psli
->fcp_ring
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1035 psli
->ring
[psli
->next_ring
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1037 /* Check for error */
1038 if ((mb
->mbxStatus
) && (mb
->mbxStatus
!= 0x1601)) {
1039 /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */
1040 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
1041 "0320 CLEAR_LA mbxStatus error x%x hba "
1043 mb
->mbxStatus
, vport
->port_state
);
1044 phba
->link_state
= LPFC_HBA_ERROR
;
1048 if (vport
->port_type
== LPFC_PHYSICAL_PORT
)
1049 phba
->link_state
= LPFC_HBA_READY
;
1051 spin_lock_irq(&phba
->hbalock
);
1052 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1053 control
= readl(phba
->HCregaddr
);
1054 control
|= HC_LAINT_ENA
;
1055 writel(control
, phba
->HCregaddr
);
1056 readl(phba
->HCregaddr
); /* flush */
1057 spin_unlock_irq(&phba
->hbalock
);
1058 mempool_free(pmb
, phba
->mbox_mem_pool
);
1062 /* Device Discovery completes */
1063 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_DISCOVERY
,
1064 "0225 Device Discovery completes\n");
1065 mempool_free(pmb
, phba
->mbox_mem_pool
);
1067 spin_lock_irq(shost
->host_lock
);
1068 vport
->fc_flag
&= ~FC_ABORT_DISCOVERY
;
1069 spin_unlock_irq(shost
->host_lock
);
1071 lpfc_can_disctmo(vport
);
1073 /* turn on Link Attention interrupts */
1075 spin_lock_irq(&phba
->hbalock
);
1076 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1077 control
= readl(phba
->HCregaddr
);
1078 control
|= HC_LAINT_ENA
;
1079 writel(control
, phba
->HCregaddr
);
1080 readl(phba
->HCregaddr
); /* flush */
1081 spin_unlock_irq(&phba
->hbalock
);
1088 lpfc_mbx_cmpl_local_config_link(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
1090 struct lpfc_vport
*vport
= pmb
->vport
;
1092 if (pmb
->u
.mb
.mbxStatus
)
1095 mempool_free(pmb
, phba
->mbox_mem_pool
);
1097 /* don't perform discovery for SLI4 loopback diagnostic test */
1098 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
1099 !(phba
->hba_flag
& HBA_FCOE_MODE
) &&
1100 (phba
->link_flag
& LS_LOOPBACK_MODE
))
1103 if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
&&
1104 vport
->fc_flag
& FC_PUBLIC_LOOP
&&
1105 !(vport
->fc_flag
& FC_LBIT
)) {
1106 /* Need to wait for FAN - use discovery timer
1107 * for timeout. port_state is identically
1108 * LPFC_LOCAL_CFG_LINK while waiting for FAN
1110 lpfc_set_disctmo(vport
);
1114 /* Start discovery by sending a FLOGI. port_state is identically
1115 * LPFC_FLOGI while waiting for FLOGI cmpl
1117 if (vport
->port_state
!= LPFC_FLOGI
)
1118 lpfc_initial_flogi(vport
);
1119 else if (vport
->fc_flag
& FC_PT2PT
)
1120 lpfc_disc_start(vport
);
1124 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
1125 "0306 CONFIG_LINK mbxStatus error x%x "
1127 pmb
->u
.mb
.mbxStatus
, vport
->port_state
);
1128 mempool_free(pmb
, phba
->mbox_mem_pool
);
1130 lpfc_linkdown(phba
);
1132 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
1133 "0200 CONFIG_LINK bad hba state x%x\n",
1136 lpfc_issue_clear_la(phba
, vport
);
1141 * lpfc_sli4_clear_fcf_rr_bmask
1142 * @phba pointer to the struct lpfc_hba for this port.
1143 * This fucnction resets the round robin bit mask and clears the
1144 * fcf priority list. The list deletions are done while holding the
1145 * hbalock. The ON_LIST flag and the FLOGI_FAILED flags are cleared
1146 * from the lpfc_fcf_pri record.
1149 lpfc_sli4_clear_fcf_rr_bmask(struct lpfc_hba
*phba
)
1151 struct lpfc_fcf_pri
*fcf_pri
;
1152 struct lpfc_fcf_pri
*next_fcf_pri
;
1153 memset(phba
->fcf
.fcf_rr_bmask
, 0, sizeof(*phba
->fcf
.fcf_rr_bmask
));
1154 spin_lock_irq(&phba
->hbalock
);
1155 list_for_each_entry_safe(fcf_pri
, next_fcf_pri
,
1156 &phba
->fcf
.fcf_pri_list
, list
) {
1157 list_del_init(&fcf_pri
->list
);
1158 fcf_pri
->fcf_rec
.flag
= 0;
1160 spin_unlock_irq(&phba
->hbalock
);
1163 lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
1165 struct lpfc_vport
*vport
= mboxq
->vport
;
1167 if (mboxq
->u
.mb
.mbxStatus
) {
1168 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
1169 "2017 REG_FCFI mbxStatus error x%x "
1171 mboxq
->u
.mb
.mbxStatus
, vport
->port_state
);
1175 /* Start FCoE discovery by sending a FLOGI. */
1176 phba
->fcf
.fcfi
= bf_get(lpfc_reg_fcfi_fcfi
, &mboxq
->u
.mqe
.un
.reg_fcfi
);
1177 /* Set the FCFI registered flag */
1178 spin_lock_irq(&phba
->hbalock
);
1179 phba
->fcf
.fcf_flag
|= FCF_REGISTERED
;
1180 spin_unlock_irq(&phba
->hbalock
);
1182 /* If there is a pending FCoE event, restart FCF table scan. */
1183 if ((!(phba
->hba_flag
& FCF_RR_INPROG
)) &&
1184 lpfc_check_pending_fcoe_event(phba
, LPFC_UNREG_FCF
))
1187 /* Mark successful completion of FCF table scan */
1188 spin_lock_irq(&phba
->hbalock
);
1189 phba
->fcf
.fcf_flag
|= (FCF_SCAN_DONE
| FCF_IN_USE
);
1190 phba
->hba_flag
&= ~FCF_TS_INPROG
;
1191 if (vport
->port_state
!= LPFC_FLOGI
) {
1192 phba
->hba_flag
|= FCF_RR_INPROG
;
1193 spin_unlock_irq(&phba
->hbalock
);
1194 lpfc_issue_init_vfi(vport
);
1197 spin_unlock_irq(&phba
->hbalock
);
1201 spin_lock_irq(&phba
->hbalock
);
1202 phba
->hba_flag
&= ~FCF_RR_INPROG
;
1203 spin_unlock_irq(&phba
->hbalock
);
1205 mempool_free(mboxq
, phba
->mbox_mem_pool
);
1209 * lpfc_fab_name_match - Check if the fcf fabric name match.
1210 * @fab_name: pointer to fabric name.
1211 * @new_fcf_record: pointer to fcf record.
1213 * This routine compare the fcf record's fabric name with provided
1214 * fabric name. If the fabric name are identical this function
1215 * returns 1 else return 0.
1218 lpfc_fab_name_match(uint8_t *fab_name
, struct fcf_record
*new_fcf_record
)
1220 if (fab_name
[0] != bf_get(lpfc_fcf_record_fab_name_0
, new_fcf_record
))
1222 if (fab_name
[1] != bf_get(lpfc_fcf_record_fab_name_1
, new_fcf_record
))
1224 if (fab_name
[2] != bf_get(lpfc_fcf_record_fab_name_2
, new_fcf_record
))
1226 if (fab_name
[3] != bf_get(lpfc_fcf_record_fab_name_3
, new_fcf_record
))
1228 if (fab_name
[4] != bf_get(lpfc_fcf_record_fab_name_4
, new_fcf_record
))
1230 if (fab_name
[5] != bf_get(lpfc_fcf_record_fab_name_5
, new_fcf_record
))
1232 if (fab_name
[6] != bf_get(lpfc_fcf_record_fab_name_6
, new_fcf_record
))
1234 if (fab_name
[7] != bf_get(lpfc_fcf_record_fab_name_7
, new_fcf_record
))
1240 * lpfc_sw_name_match - Check if the fcf switch name match.
1241 * @fab_name: pointer to fabric name.
1242 * @new_fcf_record: pointer to fcf record.
1244 * This routine compare the fcf record's switch name with provided
1245 * switch name. If the switch name are identical this function
1246 * returns 1 else return 0.
1249 lpfc_sw_name_match(uint8_t *sw_name
, struct fcf_record
*new_fcf_record
)
1251 if (sw_name
[0] != bf_get(lpfc_fcf_record_switch_name_0
, new_fcf_record
))
1253 if (sw_name
[1] != bf_get(lpfc_fcf_record_switch_name_1
, new_fcf_record
))
1255 if (sw_name
[2] != bf_get(lpfc_fcf_record_switch_name_2
, new_fcf_record
))
1257 if (sw_name
[3] != bf_get(lpfc_fcf_record_switch_name_3
, new_fcf_record
))
1259 if (sw_name
[4] != bf_get(lpfc_fcf_record_switch_name_4
, new_fcf_record
))
1261 if (sw_name
[5] != bf_get(lpfc_fcf_record_switch_name_5
, new_fcf_record
))
1263 if (sw_name
[6] != bf_get(lpfc_fcf_record_switch_name_6
, new_fcf_record
))
1265 if (sw_name
[7] != bf_get(lpfc_fcf_record_switch_name_7
, new_fcf_record
))
1271 * lpfc_mac_addr_match - Check if the fcf mac address match.
1272 * @mac_addr: pointer to mac address.
1273 * @new_fcf_record: pointer to fcf record.
1275 * This routine compare the fcf record's mac address with HBA's
1276 * FCF mac address. If the mac addresses are identical this function
1277 * returns 1 else return 0.
1280 lpfc_mac_addr_match(uint8_t *mac_addr
, struct fcf_record
*new_fcf_record
)
1282 if (mac_addr
[0] != bf_get(lpfc_fcf_record_mac_0
, new_fcf_record
))
1284 if (mac_addr
[1] != bf_get(lpfc_fcf_record_mac_1
, new_fcf_record
))
1286 if (mac_addr
[2] != bf_get(lpfc_fcf_record_mac_2
, new_fcf_record
))
1288 if (mac_addr
[3] != bf_get(lpfc_fcf_record_mac_3
, new_fcf_record
))
1290 if (mac_addr
[4] != bf_get(lpfc_fcf_record_mac_4
, new_fcf_record
))
1292 if (mac_addr
[5] != bf_get(lpfc_fcf_record_mac_5
, new_fcf_record
))
1298 lpfc_vlan_id_match(uint16_t curr_vlan_id
, uint16_t new_vlan_id
)
1300 return (curr_vlan_id
== new_vlan_id
);
1304 * lpfc_update_fcf_record - Update driver fcf record
1305 * __lpfc_update_fcf_record_pri - update the lpfc_fcf_pri record.
1306 * @phba: pointer to lpfc hba data structure.
1307 * @fcf_index: Index for the lpfc_fcf_record.
1308 * @new_fcf_record: pointer to hba fcf record.
1310 * This routine updates the driver FCF priority record from the new HBA FCF
1311 * record. This routine is called with the host lock held.
1314 __lpfc_update_fcf_record_pri(struct lpfc_hba
*phba
, uint16_t fcf_index
,
1315 struct fcf_record
*new_fcf_record
1318 struct lpfc_fcf_pri
*fcf_pri
;
1320 fcf_pri
= &phba
->fcf
.fcf_pri
[fcf_index
];
1321 fcf_pri
->fcf_rec
.fcf_index
= fcf_index
;
1322 /* FCF record priority */
1323 fcf_pri
->fcf_rec
.priority
= new_fcf_record
->fip_priority
;
1328 * lpfc_copy_fcf_record - Copy fcf information to lpfc_hba.
1329 * @fcf: pointer to driver fcf record.
1330 * @new_fcf_record: pointer to fcf record.
1332 * This routine copies the FCF information from the FCF
1333 * record to lpfc_hba data structure.
1336 lpfc_copy_fcf_record(struct lpfc_fcf_rec
*fcf_rec
,
1337 struct fcf_record
*new_fcf_record
)
1340 fcf_rec
->fabric_name
[0] =
1341 bf_get(lpfc_fcf_record_fab_name_0
, new_fcf_record
);
1342 fcf_rec
->fabric_name
[1] =
1343 bf_get(lpfc_fcf_record_fab_name_1
, new_fcf_record
);
1344 fcf_rec
->fabric_name
[2] =
1345 bf_get(lpfc_fcf_record_fab_name_2
, new_fcf_record
);
1346 fcf_rec
->fabric_name
[3] =
1347 bf_get(lpfc_fcf_record_fab_name_3
, new_fcf_record
);
1348 fcf_rec
->fabric_name
[4] =
1349 bf_get(lpfc_fcf_record_fab_name_4
, new_fcf_record
);
1350 fcf_rec
->fabric_name
[5] =
1351 bf_get(lpfc_fcf_record_fab_name_5
, new_fcf_record
);
1352 fcf_rec
->fabric_name
[6] =
1353 bf_get(lpfc_fcf_record_fab_name_6
, new_fcf_record
);
1354 fcf_rec
->fabric_name
[7] =
1355 bf_get(lpfc_fcf_record_fab_name_7
, new_fcf_record
);
1357 fcf_rec
->mac_addr
[0] = bf_get(lpfc_fcf_record_mac_0
, new_fcf_record
);
1358 fcf_rec
->mac_addr
[1] = bf_get(lpfc_fcf_record_mac_1
, new_fcf_record
);
1359 fcf_rec
->mac_addr
[2] = bf_get(lpfc_fcf_record_mac_2
, new_fcf_record
);
1360 fcf_rec
->mac_addr
[3] = bf_get(lpfc_fcf_record_mac_3
, new_fcf_record
);
1361 fcf_rec
->mac_addr
[4] = bf_get(lpfc_fcf_record_mac_4
, new_fcf_record
);
1362 fcf_rec
->mac_addr
[5] = bf_get(lpfc_fcf_record_mac_5
, new_fcf_record
);
1363 /* FCF record index */
1364 fcf_rec
->fcf_indx
= bf_get(lpfc_fcf_record_fcf_index
, new_fcf_record
);
1365 /* FCF record priority */
1366 fcf_rec
->priority
= new_fcf_record
->fip_priority
;
1368 fcf_rec
->switch_name
[0] =
1369 bf_get(lpfc_fcf_record_switch_name_0
, new_fcf_record
);
1370 fcf_rec
->switch_name
[1] =
1371 bf_get(lpfc_fcf_record_switch_name_1
, new_fcf_record
);
1372 fcf_rec
->switch_name
[2] =
1373 bf_get(lpfc_fcf_record_switch_name_2
, new_fcf_record
);
1374 fcf_rec
->switch_name
[3] =
1375 bf_get(lpfc_fcf_record_switch_name_3
, new_fcf_record
);
1376 fcf_rec
->switch_name
[4] =
1377 bf_get(lpfc_fcf_record_switch_name_4
, new_fcf_record
);
1378 fcf_rec
->switch_name
[5] =
1379 bf_get(lpfc_fcf_record_switch_name_5
, new_fcf_record
);
1380 fcf_rec
->switch_name
[6] =
1381 bf_get(lpfc_fcf_record_switch_name_6
, new_fcf_record
);
1382 fcf_rec
->switch_name
[7] =
1383 bf_get(lpfc_fcf_record_switch_name_7
, new_fcf_record
);
1387 * lpfc_update_fcf_record - Update driver fcf record
1388 * @phba: pointer to lpfc hba data structure.
1389 * @fcf_rec: pointer to driver fcf record.
1390 * @new_fcf_record: pointer to hba fcf record.
1391 * @addr_mode: address mode to be set to the driver fcf record.
1392 * @vlan_id: vlan tag to be set to the driver fcf record.
1393 * @flag: flag bits to be set to the driver fcf record.
1395 * This routine updates the driver FCF record from the new HBA FCF record
1396 * together with the address mode, vlan_id, and other informations. This
1397 * routine is called with the host lock held.
1400 __lpfc_update_fcf_record(struct lpfc_hba
*phba
, struct lpfc_fcf_rec
*fcf_rec
,
1401 struct fcf_record
*new_fcf_record
, uint32_t addr_mode
,
1402 uint16_t vlan_id
, uint32_t flag
)
1404 /* Copy the fields from the HBA's FCF record */
1405 lpfc_copy_fcf_record(fcf_rec
, new_fcf_record
);
1406 /* Update other fields of driver FCF record */
1407 fcf_rec
->addr_mode
= addr_mode
;
1408 fcf_rec
->vlan_id
= vlan_id
;
1409 fcf_rec
->flag
|= (flag
| RECORD_VALID
);
1410 __lpfc_update_fcf_record_pri(phba
,
1411 bf_get(lpfc_fcf_record_fcf_index
, new_fcf_record
),
1416 * lpfc_register_fcf - Register the FCF with hba.
1417 * @phba: pointer to lpfc hba data structure.
1419 * This routine issues a register fcfi mailbox command to register
1423 lpfc_register_fcf(struct lpfc_hba
*phba
)
1425 LPFC_MBOXQ_t
*fcf_mbxq
;
1428 spin_lock_irq(&phba
->hbalock
);
1429 /* If the FCF is not available do nothing. */
1430 if (!(phba
->fcf
.fcf_flag
& FCF_AVAILABLE
)) {
1431 phba
->hba_flag
&= ~(FCF_TS_INPROG
| FCF_RR_INPROG
);
1432 spin_unlock_irq(&phba
->hbalock
);
1436 /* The FCF is already registered, start discovery */
1437 if (phba
->fcf
.fcf_flag
& FCF_REGISTERED
) {
1438 phba
->fcf
.fcf_flag
|= (FCF_SCAN_DONE
| FCF_IN_USE
);
1439 phba
->hba_flag
&= ~FCF_TS_INPROG
;
1440 if (phba
->pport
->port_state
!= LPFC_FLOGI
&&
1441 phba
->pport
->fc_flag
& FC_FABRIC
) {
1442 phba
->hba_flag
|= FCF_RR_INPROG
;
1443 spin_unlock_irq(&phba
->hbalock
);
1444 lpfc_initial_flogi(phba
->pport
);
1447 spin_unlock_irq(&phba
->hbalock
);
1450 spin_unlock_irq(&phba
->hbalock
);
1452 fcf_mbxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1454 spin_lock_irq(&phba
->hbalock
);
1455 phba
->hba_flag
&= ~(FCF_TS_INPROG
| FCF_RR_INPROG
);
1456 spin_unlock_irq(&phba
->hbalock
);
1460 lpfc_reg_fcfi(phba
, fcf_mbxq
);
1461 fcf_mbxq
->vport
= phba
->pport
;
1462 fcf_mbxq
->mbox_cmpl
= lpfc_mbx_cmpl_reg_fcfi
;
1463 rc
= lpfc_sli_issue_mbox(phba
, fcf_mbxq
, MBX_NOWAIT
);
1464 if (rc
== MBX_NOT_FINISHED
) {
1465 spin_lock_irq(&phba
->hbalock
);
1466 phba
->hba_flag
&= ~(FCF_TS_INPROG
| FCF_RR_INPROG
);
1467 spin_unlock_irq(&phba
->hbalock
);
1468 mempool_free(fcf_mbxq
, phba
->mbox_mem_pool
);
1475 * lpfc_match_fcf_conn_list - Check if the FCF record can be used for discovery.
1476 * @phba: pointer to lpfc hba data structure.
1477 * @new_fcf_record: pointer to fcf record.
1478 * @boot_flag: Indicates if this record used by boot bios.
1479 * @addr_mode: The address mode to be used by this FCF
1480 * @vlan_id: The vlan id to be used as vlan tagging by this FCF.
1482 * This routine compare the fcf record with connect list obtained from the
1483 * config region to decide if this FCF can be used for SAN discovery. It returns
1484 * 1 if this record can be used for SAN discovery else return zero. If this FCF
1485 * record can be used for SAN discovery, the boot_flag will indicate if this FCF
1486 * is used by boot bios and addr_mode will indicate the addressing mode to be
1487 * used for this FCF when the function returns.
1488 * If the FCF record need to be used with a particular vlan id, the vlan is
1489 * set in the vlan_id on return of the function. If not VLAN tagging need to
1490 * be used with the FCF vlan_id will be set to LPFC_FCOE_NULL_VID;
1493 lpfc_match_fcf_conn_list(struct lpfc_hba
*phba
,
1494 struct fcf_record
*new_fcf_record
,
1495 uint32_t *boot_flag
, uint32_t *addr_mode
,
1498 struct lpfc_fcf_conn_entry
*conn_entry
;
1499 int i
, j
, fcf_vlan_id
= 0;
1501 /* Find the lowest VLAN id in the FCF record */
1502 for (i
= 0; i
< 512; i
++) {
1503 if (new_fcf_record
->vlan_bitmap
[i
]) {
1504 fcf_vlan_id
= i
* 8;
1506 while (!((new_fcf_record
->vlan_bitmap
[i
] >> j
) & 1)) {
1514 /* FCF not valid/available or solicitation in progress */
1515 if (!bf_get(lpfc_fcf_record_fcf_avail
, new_fcf_record
) ||
1516 !bf_get(lpfc_fcf_record_fcf_valid
, new_fcf_record
) ||
1517 bf_get(lpfc_fcf_record_fcf_sol
, new_fcf_record
))
1520 if (!(phba
->hba_flag
& HBA_FIP_SUPPORT
)) {
1522 *addr_mode
= bf_get(lpfc_fcf_record_mac_addr_prov
,
1524 if (phba
->valid_vlan
)
1525 *vlan_id
= phba
->vlan_id
;
1527 *vlan_id
= LPFC_FCOE_NULL_VID
;
1532 * If there are no FCF connection table entry, driver connect to all
1535 if (list_empty(&phba
->fcf_conn_rec_list
)) {
1537 *addr_mode
= bf_get(lpfc_fcf_record_mac_addr_prov
,
1541 * When there are no FCF connect entries, use driver's default
1542 * addressing mode - FPMA.
1544 if (*addr_mode
& LPFC_FCF_FPMA
)
1545 *addr_mode
= LPFC_FCF_FPMA
;
1547 /* If FCF record report a vlan id use that vlan id */
1549 *vlan_id
= fcf_vlan_id
;
1551 *vlan_id
= LPFC_FCOE_NULL_VID
;
1555 list_for_each_entry(conn_entry
,
1556 &phba
->fcf_conn_rec_list
, list
) {
1557 if (!(conn_entry
->conn_rec
.flags
& FCFCNCT_VALID
))
1560 if ((conn_entry
->conn_rec
.flags
& FCFCNCT_FBNM_VALID
) &&
1561 !lpfc_fab_name_match(conn_entry
->conn_rec
.fabric_name
,
1564 if ((conn_entry
->conn_rec
.flags
& FCFCNCT_SWNM_VALID
) &&
1565 !lpfc_sw_name_match(conn_entry
->conn_rec
.switch_name
,
1568 if (conn_entry
->conn_rec
.flags
& FCFCNCT_VLAN_VALID
) {
1570 * If the vlan bit map does not have the bit set for the
1571 * vlan id to be used, then it is not a match.
1573 if (!(new_fcf_record
->vlan_bitmap
1574 [conn_entry
->conn_rec
.vlan_tag
/ 8] &
1575 (1 << (conn_entry
->conn_rec
.vlan_tag
% 8))))
1580 * If connection record does not support any addressing mode,
1581 * skip the FCF record.
1583 if (!(bf_get(lpfc_fcf_record_mac_addr_prov
, new_fcf_record
)
1584 & (LPFC_FCF_FPMA
| LPFC_FCF_SPMA
)))
1588 * Check if the connection record specifies a required
1591 if ((conn_entry
->conn_rec
.flags
& FCFCNCT_AM_VALID
) &&
1592 !(conn_entry
->conn_rec
.flags
& FCFCNCT_AM_PREFERRED
)) {
1595 * If SPMA required but FCF not support this continue.
1597 if ((conn_entry
->conn_rec
.flags
& FCFCNCT_AM_SPMA
) &&
1598 !(bf_get(lpfc_fcf_record_mac_addr_prov
,
1599 new_fcf_record
) & LPFC_FCF_SPMA
))
1603 * If FPMA required but FCF not support this continue.
1605 if (!(conn_entry
->conn_rec
.flags
& FCFCNCT_AM_SPMA
) &&
1606 !(bf_get(lpfc_fcf_record_mac_addr_prov
,
1607 new_fcf_record
) & LPFC_FCF_FPMA
))
1612 * This fcf record matches filtering criteria.
1614 if (conn_entry
->conn_rec
.flags
& FCFCNCT_BOOT
)
1620 * If user did not specify any addressing mode, or if the
1621 * preferred addressing mode specified by user is not supported
1622 * by FCF, allow fabric to pick the addressing mode.
1624 *addr_mode
= bf_get(lpfc_fcf_record_mac_addr_prov
,
1627 * If the user specified a required address mode, assign that
1630 if ((conn_entry
->conn_rec
.flags
& FCFCNCT_AM_VALID
) &&
1631 (!(conn_entry
->conn_rec
.flags
& FCFCNCT_AM_PREFERRED
)))
1632 *addr_mode
= (conn_entry
->conn_rec
.flags
&
1634 LPFC_FCF_SPMA
: LPFC_FCF_FPMA
;
1636 * If the user specified a preferred address mode, use the
1637 * addr mode only if FCF support the addr_mode.
1639 else if ((conn_entry
->conn_rec
.flags
& FCFCNCT_AM_VALID
) &&
1640 (conn_entry
->conn_rec
.flags
& FCFCNCT_AM_PREFERRED
) &&
1641 (conn_entry
->conn_rec
.flags
& FCFCNCT_AM_SPMA
) &&
1642 (*addr_mode
& LPFC_FCF_SPMA
))
1643 *addr_mode
= LPFC_FCF_SPMA
;
1644 else if ((conn_entry
->conn_rec
.flags
& FCFCNCT_AM_VALID
) &&
1645 (conn_entry
->conn_rec
.flags
& FCFCNCT_AM_PREFERRED
) &&
1646 !(conn_entry
->conn_rec
.flags
& FCFCNCT_AM_SPMA
) &&
1647 (*addr_mode
& LPFC_FCF_FPMA
))
1648 *addr_mode
= LPFC_FCF_FPMA
;
1650 /* If matching connect list has a vlan id, use it */
1651 if (conn_entry
->conn_rec
.flags
& FCFCNCT_VLAN_VALID
)
1652 *vlan_id
= conn_entry
->conn_rec
.vlan_tag
;
1654 * If no vlan id is specified in connect list, use the vlan id
1657 else if (fcf_vlan_id
)
1658 *vlan_id
= fcf_vlan_id
;
1660 *vlan_id
= LPFC_FCOE_NULL_VID
;
1669 * lpfc_check_pending_fcoe_event - Check if there is pending fcoe event.
1670 * @phba: pointer to lpfc hba data structure.
1671 * @unreg_fcf: Unregister FCF if FCF table need to be re-scaned.
1673 * This function check if there is any fcoe event pending while driver
1674 * scan FCF entries. If there is any pending event, it will restart the
1675 * FCF saning and return 1 else return 0.
1678 lpfc_check_pending_fcoe_event(struct lpfc_hba
*phba
, uint8_t unreg_fcf
)
1681 * If the Link is up and no FCoE events while in the
1682 * FCF discovery, no need to restart FCF discovery.
1684 if ((phba
->link_state
>= LPFC_LINK_UP
) &&
1685 (phba
->fcoe_eventtag
== phba
->fcoe_eventtag_at_fcf_scan
))
1688 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
1689 "2768 Pending link or FCF event during current "
1690 "handling of the previous event: link_state:x%x, "
1691 "evt_tag_at_scan:x%x, evt_tag_current:x%x\n",
1692 phba
->link_state
, phba
->fcoe_eventtag_at_fcf_scan
,
1693 phba
->fcoe_eventtag
);
1695 spin_lock_irq(&phba
->hbalock
);
1696 phba
->fcf
.fcf_flag
&= ~FCF_AVAILABLE
;
1697 spin_unlock_irq(&phba
->hbalock
);
1699 if (phba
->link_state
>= LPFC_LINK_UP
) {
1700 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
1701 "2780 Restart FCF table scan due to "
1702 "pending FCF event:evt_tag_at_scan:x%x, "
1703 "evt_tag_current:x%x\n",
1704 phba
->fcoe_eventtag_at_fcf_scan
,
1705 phba
->fcoe_eventtag
);
1706 lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
1709 * Do not continue FCF discovery and clear FCF_TS_INPROG
1712 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
1713 "2833 Stop FCF discovery process due to link "
1714 "state change (x%x)\n", phba
->link_state
);
1715 spin_lock_irq(&phba
->hbalock
);
1716 phba
->hba_flag
&= ~(FCF_TS_INPROG
| FCF_RR_INPROG
);
1717 phba
->fcf
.fcf_flag
&= ~(FCF_REDISC_FOV
| FCF_DISCOVERY
);
1718 spin_unlock_irq(&phba
->hbalock
);
1721 /* Unregister the currently registered FCF if required */
1723 spin_lock_irq(&phba
->hbalock
);
1724 phba
->fcf
.fcf_flag
&= ~FCF_REGISTERED
;
1725 spin_unlock_irq(&phba
->hbalock
);
1726 lpfc_sli4_unregister_fcf(phba
);
1732 * lpfc_sli4_new_fcf_random_select - Randomly select an eligible new fcf record
1733 * @phba: pointer to lpfc hba data structure.
1734 * @fcf_cnt: number of eligible fcf record seen so far.
1736 * This function makes an running random selection decision on FCF record to
1737 * use through a sequence of @fcf_cnt eligible FCF records with equal
1738 * probability. To perform integer manunipulation of random numbers with
1739 * size unit32_t, the lower 16 bits of the 32-bit random number returned
1740 * from prandom_u32() are taken as the random random number generated.
1742 * Returns true when outcome is for the newly read FCF record should be
1743 * chosen; otherwise, return false when outcome is for keeping the previously
1744 * chosen FCF record.
1747 lpfc_sli4_new_fcf_random_select(struct lpfc_hba
*phba
, uint32_t fcf_cnt
)
1751 /* Get 16-bit uniform random number */
1752 rand_num
= 0xFFFF & prandom_u32();
1754 /* Decision with probability 1/fcf_cnt */
1755 if ((fcf_cnt
* rand_num
) < 0xFFFF)
1762 * lpfc_sli4_fcf_rec_mbox_parse - Parse read_fcf mbox command.
1763 * @phba: pointer to lpfc hba data structure.
1764 * @mboxq: pointer to mailbox object.
1765 * @next_fcf_index: pointer to holder of next fcf index.
1767 * This routine parses the non-embedded fcf mailbox command by performing the
1768 * necessarily error checking, non-embedded read FCF record mailbox command
1769 * SGE parsing, and endianness swapping.
1771 * Returns the pointer to the new FCF record in the non-embedded mailbox
1772 * command DMA memory if successfully, other NULL.
1774 static struct fcf_record
*
1775 lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
,
1776 uint16_t *next_fcf_index
)
1779 struct lpfc_mbx_sge sge
;
1780 struct lpfc_mbx_read_fcf_tbl
*read_fcf
;
1781 uint32_t shdr_status
, shdr_add_status
, if_type
;
1782 union lpfc_sli4_cfg_shdr
*shdr
;
1783 struct fcf_record
*new_fcf_record
;
1785 /* Get the first SGE entry from the non-embedded DMA memory. This
1786 * routine only uses a single SGE.
1788 lpfc_sli4_mbx_sge_get(mboxq
, 0, &sge
);
1789 if (unlikely(!mboxq
->sge_array
)) {
1790 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1791 "2524 Failed to get the non-embedded SGE "
1792 "virtual address\n");
1795 virt_addr
= mboxq
->sge_array
->addr
[0];
1797 shdr
= (union lpfc_sli4_cfg_shdr
*)virt_addr
;
1798 lpfc_sli_pcimem_bcopy(shdr
, shdr
,
1799 sizeof(union lpfc_sli4_cfg_shdr
));
1800 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
1801 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1802 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
1803 if (shdr_status
|| shdr_add_status
) {
1804 if (shdr_status
== STATUS_FCF_TABLE_EMPTY
||
1805 if_type
== LPFC_SLI_INTF_IF_TYPE_2
)
1806 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
1807 "2726 READ_FCF_RECORD Indicates empty "
1810 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
1811 "2521 READ_FCF_RECORD mailbox failed "
1812 "with status x%x add_status x%x, "
1813 "mbx\n", shdr_status
, shdr_add_status
);
1817 /* Interpreting the returned information of the FCF record */
1818 read_fcf
= (struct lpfc_mbx_read_fcf_tbl
*)virt_addr
;
1819 lpfc_sli_pcimem_bcopy(read_fcf
, read_fcf
,
1820 sizeof(struct lpfc_mbx_read_fcf_tbl
));
1821 *next_fcf_index
= bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx
, read_fcf
);
1822 new_fcf_record
= (struct fcf_record
*)(virt_addr
+
1823 sizeof(struct lpfc_mbx_read_fcf_tbl
));
1824 lpfc_sli_pcimem_bcopy(new_fcf_record
, new_fcf_record
,
1825 offsetof(struct fcf_record
, vlan_bitmap
));
1826 new_fcf_record
->word137
= le32_to_cpu(new_fcf_record
->word137
);
1827 new_fcf_record
->word138
= le32_to_cpu(new_fcf_record
->word138
);
1829 return new_fcf_record
;
1833 * lpfc_sli4_log_fcf_record_info - Log the information of a fcf record
1834 * @phba: pointer to lpfc hba data structure.
1835 * @fcf_record: pointer to the fcf record.
1836 * @vlan_id: the lowest vlan identifier associated to this fcf record.
1837 * @next_fcf_index: the index to the next fcf record in hba's fcf table.
1839 * This routine logs the detailed FCF record if the LOG_FIP loggin is
1843 lpfc_sli4_log_fcf_record_info(struct lpfc_hba
*phba
,
1844 struct fcf_record
*fcf_record
,
1846 uint16_t next_fcf_index
)
1848 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
1849 "2764 READ_FCF_RECORD:\n"
1850 "\tFCF_Index : x%x\n"
1851 "\tFCF_Avail : x%x\n"
1852 "\tFCF_Valid : x%x\n"
1854 "\tFIP_Priority : x%x\n"
1855 "\tMAC_Provider : x%x\n"
1856 "\tLowest VLANID : x%x\n"
1857 "\tFCF_MAC Addr : x%x:%x:%x:%x:%x:%x\n"
1858 "\tFabric_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n"
1859 "\tSwitch_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n"
1860 "\tNext_FCF_Index: x%x\n",
1861 bf_get(lpfc_fcf_record_fcf_index
, fcf_record
),
1862 bf_get(lpfc_fcf_record_fcf_avail
, fcf_record
),
1863 bf_get(lpfc_fcf_record_fcf_valid
, fcf_record
),
1864 bf_get(lpfc_fcf_record_fcf_sol
, fcf_record
),
1865 fcf_record
->fip_priority
,
1866 bf_get(lpfc_fcf_record_mac_addr_prov
, fcf_record
),
1868 bf_get(lpfc_fcf_record_mac_0
, fcf_record
),
1869 bf_get(lpfc_fcf_record_mac_1
, fcf_record
),
1870 bf_get(lpfc_fcf_record_mac_2
, fcf_record
),
1871 bf_get(lpfc_fcf_record_mac_3
, fcf_record
),
1872 bf_get(lpfc_fcf_record_mac_4
, fcf_record
),
1873 bf_get(lpfc_fcf_record_mac_5
, fcf_record
),
1874 bf_get(lpfc_fcf_record_fab_name_0
, fcf_record
),
1875 bf_get(lpfc_fcf_record_fab_name_1
, fcf_record
),
1876 bf_get(lpfc_fcf_record_fab_name_2
, fcf_record
),
1877 bf_get(lpfc_fcf_record_fab_name_3
, fcf_record
),
1878 bf_get(lpfc_fcf_record_fab_name_4
, fcf_record
),
1879 bf_get(lpfc_fcf_record_fab_name_5
, fcf_record
),
1880 bf_get(lpfc_fcf_record_fab_name_6
, fcf_record
),
1881 bf_get(lpfc_fcf_record_fab_name_7
, fcf_record
),
1882 bf_get(lpfc_fcf_record_switch_name_0
, fcf_record
),
1883 bf_get(lpfc_fcf_record_switch_name_1
, fcf_record
),
1884 bf_get(lpfc_fcf_record_switch_name_2
, fcf_record
),
1885 bf_get(lpfc_fcf_record_switch_name_3
, fcf_record
),
1886 bf_get(lpfc_fcf_record_switch_name_4
, fcf_record
),
1887 bf_get(lpfc_fcf_record_switch_name_5
, fcf_record
),
1888 bf_get(lpfc_fcf_record_switch_name_6
, fcf_record
),
1889 bf_get(lpfc_fcf_record_switch_name_7
, fcf_record
),
1894 lpfc_sli4_fcf_record_match - testing new FCF record for matching existing FCF
1895 * @phba: pointer to lpfc hba data structure.
1896 * @fcf_rec: pointer to an existing FCF record.
1897 * @new_fcf_record: pointer to a new FCF record.
1898 * @new_vlan_id: vlan id from the new FCF record.
1900 * This function performs matching test of a new FCF record against an existing
1901 * FCF record. If the new_vlan_id passed in is LPFC_FCOE_IGNORE_VID, vlan id
1902 * will not be used as part of the FCF record matching criteria.
1904 * Returns true if all the fields matching, otherwise returns false.
1907 lpfc_sli4_fcf_record_match(struct lpfc_hba
*phba
,
1908 struct lpfc_fcf_rec
*fcf_rec
,
1909 struct fcf_record
*new_fcf_record
,
1910 uint16_t new_vlan_id
)
1912 if (new_vlan_id
!= LPFC_FCOE_IGNORE_VID
)
1913 if (!lpfc_vlan_id_match(fcf_rec
->vlan_id
, new_vlan_id
))
1915 if (!lpfc_mac_addr_match(fcf_rec
->mac_addr
, new_fcf_record
))
1917 if (!lpfc_sw_name_match(fcf_rec
->switch_name
, new_fcf_record
))
1919 if (!lpfc_fab_name_match(fcf_rec
->fabric_name
, new_fcf_record
))
1921 if (fcf_rec
->priority
!= new_fcf_record
->fip_priority
)
1927 * lpfc_sli4_fcf_rr_next_proc - processing next roundrobin fcf
1928 * @vport: Pointer to vport object.
1929 * @fcf_index: index to next fcf.
1931 * This function processing the roundrobin fcf failover to next fcf index.
1932 * When this function is invoked, there will be a current fcf registered
1934 * Return: 0 for continue retrying flogi on currently registered fcf;
1935 * 1 for stop flogi on currently registered fcf;
1937 int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport
*vport
, uint16_t fcf_index
)
1939 struct lpfc_hba
*phba
= vport
->phba
;
1942 if (fcf_index
== LPFC_FCOE_FCF_NEXT_NONE
) {
1943 spin_lock_irq(&phba
->hbalock
);
1944 if (phba
->hba_flag
& HBA_DEVLOSS_TMO
) {
1945 spin_unlock_irq(&phba
->hbalock
);
1946 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
1947 "2872 Devloss tmo with no eligible "
1948 "FCF, unregister in-use FCF (x%x) "
1949 "and rescan FCF table\n",
1950 phba
->fcf
.current_rec
.fcf_indx
);
1951 lpfc_unregister_fcf_rescan(phba
);
1952 goto stop_flogi_current_fcf
;
1954 /* Mark the end to FLOGI roundrobin failover */
1955 phba
->hba_flag
&= ~FCF_RR_INPROG
;
1956 /* Allow action to new fcf asynchronous event */
1957 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
1958 spin_unlock_irq(&phba
->hbalock
);
1959 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
1960 "2865 No FCF available, stop roundrobin FCF "
1961 "failover and change port state:x%x/x%x\n",
1962 phba
->pport
->port_state
, LPFC_VPORT_UNKNOWN
);
1963 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
1964 goto stop_flogi_current_fcf
;
1966 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_ELS
,
1967 "2794 Try FLOGI roundrobin FCF failover to "
1968 "(x%x)\n", fcf_index
);
1969 rc
= lpfc_sli4_fcf_rr_read_fcf_rec(phba
, fcf_index
);
1971 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
| LOG_ELS
,
1972 "2761 FLOGI roundrobin FCF failover "
1973 "failed (rc:x%x) to read FCF (x%x)\n",
1974 rc
, phba
->fcf
.current_rec
.fcf_indx
);
1976 goto stop_flogi_current_fcf
;
1980 stop_flogi_current_fcf
:
1981 lpfc_can_disctmo(vport
);
1986 * lpfc_sli4_fcf_pri_list_del
1987 * @phba: pointer to lpfc hba data structure.
1988 * @fcf_index the index of the fcf record to delete
1989 * This routine checks the on list flag of the fcf_index to be deleted.
1990 * If it is one the list then it is removed from the list, and the flag
1991 * is cleared. This routine grab the hbalock before removing the fcf
1992 * record from the list.
1994 static void lpfc_sli4_fcf_pri_list_del(struct lpfc_hba
*phba
,
1997 struct lpfc_fcf_pri
*new_fcf_pri
;
1999 new_fcf_pri
= &phba
->fcf
.fcf_pri
[fcf_index
];
2000 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2001 "3058 deleting idx x%x pri x%x flg x%x\n",
2002 fcf_index
, new_fcf_pri
->fcf_rec
.priority
,
2003 new_fcf_pri
->fcf_rec
.flag
);
2004 spin_lock_irq(&phba
->hbalock
);
2005 if (new_fcf_pri
->fcf_rec
.flag
& LPFC_FCF_ON_PRI_LIST
) {
2006 if (phba
->fcf
.current_rec
.priority
==
2007 new_fcf_pri
->fcf_rec
.priority
)
2008 phba
->fcf
.eligible_fcf_cnt
--;
2009 list_del_init(&new_fcf_pri
->list
);
2010 new_fcf_pri
->fcf_rec
.flag
&= ~LPFC_FCF_ON_PRI_LIST
;
2012 spin_unlock_irq(&phba
->hbalock
);
2016 * lpfc_sli4_set_fcf_flogi_fail
2017 * @phba: pointer to lpfc hba data structure.
2018 * @fcf_index the index of the fcf record to update
2019 * This routine acquires the hbalock and then set the LPFC_FCF_FLOGI_FAILED
2020 * flag so the the round robin slection for the particular priority level
2021 * will try a different fcf record that does not have this bit set.
2022 * If the fcf record is re-read for any reason this flag is cleared brfore
2023 * adding it to the priority list.
2026 lpfc_sli4_set_fcf_flogi_fail(struct lpfc_hba
*phba
, uint16_t fcf_index
)
2028 struct lpfc_fcf_pri
*new_fcf_pri
;
2029 new_fcf_pri
= &phba
->fcf
.fcf_pri
[fcf_index
];
2030 spin_lock_irq(&phba
->hbalock
);
2031 new_fcf_pri
->fcf_rec
.flag
|= LPFC_FCF_FLOGI_FAILED
;
2032 spin_unlock_irq(&phba
->hbalock
);
2036 * lpfc_sli4_fcf_pri_list_add
2037 * @phba: pointer to lpfc hba data structure.
2038 * @fcf_index the index of the fcf record to add
2039 * This routine checks the priority of the fcf_index to be added.
2040 * If it is a lower priority than the current head of the fcf_pri list
2041 * then it is added to the list in the right order.
2042 * If it is the same priority as the current head of the list then it
2043 * is added to the head of the list and its bit in the rr_bmask is set.
2044 * If the fcf_index to be added is of a higher priority than the current
2045 * head of the list then the rr_bmask is cleared, its bit is set in the
2046 * rr_bmask and it is added to the head of the list.
2048 * 0=success 1=failure
2050 static int lpfc_sli4_fcf_pri_list_add(struct lpfc_hba
*phba
,
2052 struct fcf_record
*new_fcf_record
)
2054 uint16_t current_fcf_pri
;
2055 uint16_t last_index
;
2056 struct lpfc_fcf_pri
*fcf_pri
;
2057 struct lpfc_fcf_pri
*next_fcf_pri
;
2058 struct lpfc_fcf_pri
*new_fcf_pri
;
2061 new_fcf_pri
= &phba
->fcf
.fcf_pri
[fcf_index
];
2062 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2063 "3059 adding idx x%x pri x%x flg x%x\n",
2064 fcf_index
, new_fcf_record
->fip_priority
,
2065 new_fcf_pri
->fcf_rec
.flag
);
2066 spin_lock_irq(&phba
->hbalock
);
2067 if (new_fcf_pri
->fcf_rec
.flag
& LPFC_FCF_ON_PRI_LIST
)
2068 list_del_init(&new_fcf_pri
->list
);
2069 new_fcf_pri
->fcf_rec
.fcf_index
= fcf_index
;
2070 new_fcf_pri
->fcf_rec
.priority
= new_fcf_record
->fip_priority
;
2071 if (list_empty(&phba
->fcf
.fcf_pri_list
)) {
2072 list_add(&new_fcf_pri
->list
, &phba
->fcf
.fcf_pri_list
);
2073 ret
= lpfc_sli4_fcf_rr_index_set(phba
,
2074 new_fcf_pri
->fcf_rec
.fcf_index
);
2078 last_index
= find_first_bit(phba
->fcf
.fcf_rr_bmask
,
2079 LPFC_SLI4_FCF_TBL_INDX_MAX
);
2080 if (last_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
) {
2081 ret
= 0; /* Empty rr list */
2084 current_fcf_pri
= phba
->fcf
.fcf_pri
[last_index
].fcf_rec
.priority
;
2085 if (new_fcf_pri
->fcf_rec
.priority
<= current_fcf_pri
) {
2086 list_add(&new_fcf_pri
->list
, &phba
->fcf
.fcf_pri_list
);
2087 if (new_fcf_pri
->fcf_rec
.priority
< current_fcf_pri
) {
2088 memset(phba
->fcf
.fcf_rr_bmask
, 0,
2089 sizeof(*phba
->fcf
.fcf_rr_bmask
));
2090 /* fcfs_at_this_priority_level = 1; */
2091 phba
->fcf
.eligible_fcf_cnt
= 1;
2093 /* fcfs_at_this_priority_level++; */
2094 phba
->fcf
.eligible_fcf_cnt
++;
2095 ret
= lpfc_sli4_fcf_rr_index_set(phba
,
2096 new_fcf_pri
->fcf_rec
.fcf_index
);
2100 list_for_each_entry_safe(fcf_pri
, next_fcf_pri
,
2101 &phba
->fcf
.fcf_pri_list
, list
) {
2102 if (new_fcf_pri
->fcf_rec
.priority
<=
2103 fcf_pri
->fcf_rec
.priority
) {
2104 if (fcf_pri
->list
.prev
== &phba
->fcf
.fcf_pri_list
)
2105 list_add(&new_fcf_pri
->list
,
2106 &phba
->fcf
.fcf_pri_list
);
2108 list_add(&new_fcf_pri
->list
,
2109 &((struct lpfc_fcf_pri
*)
2110 fcf_pri
->list
.prev
)->list
);
2113 } else if (fcf_pri
->list
.next
== &phba
->fcf
.fcf_pri_list
2114 || new_fcf_pri
->fcf_rec
.priority
<
2115 next_fcf_pri
->fcf_rec
.priority
) {
2116 list_add(&new_fcf_pri
->list
, &fcf_pri
->list
);
2120 if (new_fcf_pri
->fcf_rec
.priority
> fcf_pri
->fcf_rec
.priority
)
2126 /* we use = instead of |= to clear the FLOGI_FAILED flag. */
2127 new_fcf_pri
->fcf_rec
.flag
= LPFC_FCF_ON_PRI_LIST
;
2128 spin_unlock_irq(&phba
->hbalock
);
2133 * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler.
2134 * @phba: pointer to lpfc hba data structure.
2135 * @mboxq: pointer to mailbox object.
2137 * This function iterates through all the fcf records available in
2138 * HBA and chooses the optimal FCF record for discovery. After finding
2139 * the FCF for discovery it registers the FCF record and kicks start
2141 * If FCF_IN_USE flag is set in currently used FCF, the routine tries to
2142 * use an FCF record which matches fabric name and mac address of the
2143 * currently used FCF record.
2144 * If the driver supports only one FCF, it will try to use the FCF record
2145 * used by BOOT_BIOS.
2148 lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
2150 struct fcf_record
*new_fcf_record
;
2151 uint32_t boot_flag
, addr_mode
;
2152 uint16_t fcf_index
, next_fcf_index
;
2153 struct lpfc_fcf_rec
*fcf_rec
= NULL
;
2155 bool select_new_fcf
;
2158 /* If there is pending FCoE event restart FCF table scan */
2159 if (lpfc_check_pending_fcoe_event(phba
, LPFC_SKIP_UNREG_FCF
)) {
2160 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
2164 /* Parse the FCF record from the non-embedded mailbox command */
2165 new_fcf_record
= lpfc_sli4_fcf_rec_mbox_parse(phba
, mboxq
,
2167 if (!new_fcf_record
) {
2168 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
2169 "2765 Mailbox command READ_FCF_RECORD "
2170 "failed to retrieve a FCF record.\n");
2171 /* Let next new FCF event trigger fast failover */
2172 spin_lock_irq(&phba
->hbalock
);
2173 phba
->hba_flag
&= ~FCF_TS_INPROG
;
2174 spin_unlock_irq(&phba
->hbalock
);
2175 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
2179 /* Check the FCF record against the connection list */
2180 rc
= lpfc_match_fcf_conn_list(phba
, new_fcf_record
, &boot_flag
,
2181 &addr_mode
, &vlan_id
);
2183 /* Log the FCF record information if turned on */
2184 lpfc_sli4_log_fcf_record_info(phba
, new_fcf_record
, vlan_id
,
2188 * If the fcf record does not match with connect list entries
2189 * read the next entry; otherwise, this is an eligible FCF
2190 * record for roundrobin FCF failover.
2193 lpfc_sli4_fcf_pri_list_del(phba
,
2194 bf_get(lpfc_fcf_record_fcf_index
,
2196 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
2197 "2781 FCF (x%x) failed connection "
2198 "list check: (x%x/x%x/%x)\n",
2199 bf_get(lpfc_fcf_record_fcf_index
,
2201 bf_get(lpfc_fcf_record_fcf_avail
,
2203 bf_get(lpfc_fcf_record_fcf_valid
,
2205 bf_get(lpfc_fcf_record_fcf_sol
,
2207 if ((phba
->fcf
.fcf_flag
& FCF_IN_USE
) &&
2208 lpfc_sli4_fcf_record_match(phba
, &phba
->fcf
.current_rec
,
2209 new_fcf_record
, LPFC_FCOE_IGNORE_VID
)) {
2210 if (bf_get(lpfc_fcf_record_fcf_index
, new_fcf_record
) !=
2211 phba
->fcf
.current_rec
.fcf_indx
) {
2212 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
2213 "2862 FCF (x%x) matches property "
2214 "of in-use FCF (x%x)\n",
2215 bf_get(lpfc_fcf_record_fcf_index
,
2217 phba
->fcf
.current_rec
.fcf_indx
);
2221 * In case the current in-use FCF record becomes
2222 * invalid/unavailable during FCF discovery that
2223 * was not triggered by fast FCF failover process,
2224 * treat it as fast FCF failover.
2226 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
) &&
2227 !(phba
->fcf
.fcf_flag
& FCF_REDISC_FOV
)) {
2228 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
2229 "2835 Invalid in-use FCF "
2230 "(x%x), enter FCF failover "
2232 phba
->fcf
.current_rec
.fcf_indx
);
2233 spin_lock_irq(&phba
->hbalock
);
2234 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
2235 spin_unlock_irq(&phba
->hbalock
);
2236 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
2237 lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
2238 LPFC_FCOE_FCF_GET_FIRST
);
2244 fcf_index
= bf_get(lpfc_fcf_record_fcf_index
, new_fcf_record
);
2245 rc
= lpfc_sli4_fcf_pri_list_add(phba
, fcf_index
,
2252 * If this is not the first FCF discovery of the HBA, use last
2253 * FCF record for the discovery. The condition that a rescan
2254 * matches the in-use FCF record: fabric name, switch name, mac
2255 * address, and vlan_id.
2257 spin_lock_irq(&phba
->hbalock
);
2258 if (phba
->fcf
.fcf_flag
& FCF_IN_USE
) {
2259 if (phba
->cfg_fcf_failover_policy
== LPFC_FCF_FOV
&&
2260 lpfc_sli4_fcf_record_match(phba
, &phba
->fcf
.current_rec
,
2261 new_fcf_record
, vlan_id
)) {
2262 if (bf_get(lpfc_fcf_record_fcf_index
, new_fcf_record
) ==
2263 phba
->fcf
.current_rec
.fcf_indx
) {
2264 phba
->fcf
.fcf_flag
|= FCF_AVAILABLE
;
2265 if (phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)
2266 /* Stop FCF redisc wait timer */
2267 __lpfc_sli4_stop_fcf_redisc_wait_timer(
2269 else if (phba
->fcf
.fcf_flag
& FCF_REDISC_FOV
)
2270 /* Fast failover, mark completed */
2271 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_FOV
;
2272 spin_unlock_irq(&phba
->hbalock
);
2273 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2274 "2836 New FCF matches in-use "
2275 "FCF (x%x), port_state:x%x, "
2277 phba
->fcf
.current_rec
.fcf_indx
,
2278 phba
->pport
->port_state
,
2279 phba
->pport
->fc_flag
);
2282 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
2283 "2863 New FCF (x%x) matches "
2284 "property of in-use FCF (x%x)\n",
2285 bf_get(lpfc_fcf_record_fcf_index
,
2287 phba
->fcf
.current_rec
.fcf_indx
);
2290 * Read next FCF record from HBA searching for the matching
2291 * with in-use record only if not during the fast failover
2292 * period. In case of fast failover period, it shall try to
2293 * determine whether the FCF record just read should be the
2296 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_FOV
)) {
2297 spin_unlock_irq(&phba
->hbalock
);
2302 * Update on failover FCF record only if it's in FCF fast-failover
2303 * period; otherwise, update on current FCF record.
2305 if (phba
->fcf
.fcf_flag
& FCF_REDISC_FOV
)
2306 fcf_rec
= &phba
->fcf
.failover_rec
;
2308 fcf_rec
= &phba
->fcf
.current_rec
;
2310 if (phba
->fcf
.fcf_flag
& FCF_AVAILABLE
) {
2312 * If the driver FCF record does not have boot flag
2313 * set and new hba fcf record has boot flag set, use
2314 * the new hba fcf record.
2316 if (boot_flag
&& !(fcf_rec
->flag
& BOOT_ENABLE
)) {
2317 /* Choose this FCF record */
2318 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2319 "2837 Update current FCF record "
2320 "(x%x) with new FCF record (x%x)\n",
2322 bf_get(lpfc_fcf_record_fcf_index
,
2324 __lpfc_update_fcf_record(phba
, fcf_rec
, new_fcf_record
,
2325 addr_mode
, vlan_id
, BOOT_ENABLE
);
2326 spin_unlock_irq(&phba
->hbalock
);
2330 * If the driver FCF record has boot flag set and the
2331 * new hba FCF record does not have boot flag, read
2332 * the next FCF record.
2334 if (!boot_flag
&& (fcf_rec
->flag
& BOOT_ENABLE
)) {
2335 spin_unlock_irq(&phba
->hbalock
);
2339 * If the new hba FCF record has lower priority value
2340 * than the driver FCF record, use the new record.
2342 if (new_fcf_record
->fip_priority
< fcf_rec
->priority
) {
2343 /* Choose the new FCF record with lower priority */
2344 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2345 "2838 Update current FCF record "
2346 "(x%x) with new FCF record (x%x)\n",
2348 bf_get(lpfc_fcf_record_fcf_index
,
2350 __lpfc_update_fcf_record(phba
, fcf_rec
, new_fcf_record
,
2351 addr_mode
, vlan_id
, 0);
2352 /* Reset running random FCF selection count */
2353 phba
->fcf
.eligible_fcf_cnt
= 1;
2354 } else if (new_fcf_record
->fip_priority
== fcf_rec
->priority
) {
2355 /* Update running random FCF selection count */
2356 phba
->fcf
.eligible_fcf_cnt
++;
2357 select_new_fcf
= lpfc_sli4_new_fcf_random_select(phba
,
2358 phba
->fcf
.eligible_fcf_cnt
);
2359 if (select_new_fcf
) {
2360 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2361 "2839 Update current FCF record "
2362 "(x%x) with new FCF record (x%x)\n",
2364 bf_get(lpfc_fcf_record_fcf_index
,
2366 /* Choose the new FCF by random selection */
2367 __lpfc_update_fcf_record(phba
, fcf_rec
,
2369 addr_mode
, vlan_id
, 0);
2372 spin_unlock_irq(&phba
->hbalock
);
2376 * This is the first suitable FCF record, choose this record for
2377 * initial best-fit FCF.
2380 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2381 "2840 Update initial FCF candidate "
2383 bf_get(lpfc_fcf_record_fcf_index
,
2385 __lpfc_update_fcf_record(phba
, fcf_rec
, new_fcf_record
,
2386 addr_mode
, vlan_id
, (boot_flag
?
2388 phba
->fcf
.fcf_flag
|= FCF_AVAILABLE
;
2389 /* Setup initial running random FCF selection count */
2390 phba
->fcf
.eligible_fcf_cnt
= 1;
2392 spin_unlock_irq(&phba
->hbalock
);
2396 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
2397 if (next_fcf_index
== LPFC_FCOE_FCF_NEXT_NONE
|| next_fcf_index
== 0) {
2398 if (phba
->fcf
.fcf_flag
& FCF_REDISC_FOV
) {
2400 * Case of FCF fast failover scan
2404 * It has not found any suitable FCF record, cancel
2405 * FCF scan inprogress, and do nothing
2407 if (!(phba
->fcf
.failover_rec
.flag
& RECORD_VALID
)) {
2408 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
2409 "2782 No suitable FCF found: "
2411 phba
->fcoe_eventtag_at_fcf_scan
,
2412 bf_get(lpfc_fcf_record_fcf_index
,
2414 spin_lock_irq(&phba
->hbalock
);
2415 if (phba
->hba_flag
& HBA_DEVLOSS_TMO
) {
2416 phba
->hba_flag
&= ~FCF_TS_INPROG
;
2417 spin_unlock_irq(&phba
->hbalock
);
2418 /* Unregister in-use FCF and rescan */
2419 lpfc_printf_log(phba
, KERN_INFO
,
2421 "2864 On devloss tmo "
2422 "unreg in-use FCF and "
2423 "rescan FCF table\n");
2424 lpfc_unregister_fcf_rescan(phba
);
2428 * Let next new FCF event trigger fast failover
2430 phba
->hba_flag
&= ~FCF_TS_INPROG
;
2431 spin_unlock_irq(&phba
->hbalock
);
2435 * It has found a suitable FCF record that is not
2436 * the same as in-use FCF record, unregister the
2437 * in-use FCF record, replace the in-use FCF record
2438 * with the new FCF record, mark FCF fast failover
2439 * completed, and then start register the new FCF
2443 /* Unregister the current in-use FCF record */
2444 lpfc_unregister_fcf(phba
);
2446 /* Replace in-use record with the new record */
2447 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2448 "2842 Replace in-use FCF (x%x) "
2449 "with failover FCF (x%x)\n",
2450 phba
->fcf
.current_rec
.fcf_indx
,
2451 phba
->fcf
.failover_rec
.fcf_indx
);
2452 memcpy(&phba
->fcf
.current_rec
,
2453 &phba
->fcf
.failover_rec
,
2454 sizeof(struct lpfc_fcf_rec
));
2456 * Mark the fast FCF failover rediscovery completed
2457 * and the start of the first round of the roundrobin
2460 spin_lock_irq(&phba
->hbalock
);
2461 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_FOV
;
2462 spin_unlock_irq(&phba
->hbalock
);
2463 /* Register to the new FCF record */
2464 lpfc_register_fcf(phba
);
2467 * In case of transaction period to fast FCF failover,
2468 * do nothing when search to the end of the FCF table.
2470 if ((phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) ||
2471 (phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
))
2474 if (phba
->cfg_fcf_failover_policy
== LPFC_FCF_FOV
&&
2475 phba
->fcf
.fcf_flag
& FCF_IN_USE
) {
2477 * In case the current in-use FCF record no
2478 * longer existed during FCF discovery that
2479 * was not triggered by fast FCF failover
2480 * process, treat it as fast FCF failover.
2482 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2483 "2841 In-use FCF record (x%x) "
2484 "not reported, entering fast "
2485 "FCF failover mode scanning.\n",
2486 phba
->fcf
.current_rec
.fcf_indx
);
2487 spin_lock_irq(&phba
->hbalock
);
2488 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
2489 spin_unlock_irq(&phba
->hbalock
);
2490 lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
2491 LPFC_FCOE_FCF_GET_FIRST
);
2494 /* Register to the new FCF record */
2495 lpfc_register_fcf(phba
);
2498 lpfc_sli4_fcf_scan_read_fcf_rec(phba
, next_fcf_index
);
2502 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
2503 lpfc_register_fcf(phba
);
2509 * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf roundrobin read_fcf mbox cmpl hdler
2510 * @phba: pointer to lpfc hba data structure.
2511 * @mboxq: pointer to mailbox object.
2513 * This is the callback function for FLOGI failure roundrobin FCF failover
2514 * read FCF record mailbox command from the eligible FCF record bmask for
2515 * performing the failover. If the FCF read back is not valid/available, it
2516 * fails through to retrying FLOGI to the currently registered FCF again.
2517 * Otherwise, if the FCF read back is valid and available, it will set the
2518 * newly read FCF record to the failover FCF record, unregister currently
2519 * registered FCF record, copy the failover FCF record to the current
2520 * FCF record, and then register the current FCF record before proceeding
2521 * to trying FLOGI on the new failover FCF.
2524 lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
2526 struct fcf_record
*new_fcf_record
;
2527 uint32_t boot_flag
, addr_mode
;
2528 uint16_t next_fcf_index
, fcf_index
;
2529 uint16_t current_fcf_index
;
2533 /* If link state is not up, stop the roundrobin failover process */
2534 if (phba
->link_state
< LPFC_LINK_UP
) {
2535 spin_lock_irq(&phba
->hbalock
);
2536 phba
->fcf
.fcf_flag
&= ~FCF_DISCOVERY
;
2537 phba
->hba_flag
&= ~FCF_RR_INPROG
;
2538 spin_unlock_irq(&phba
->hbalock
);
2542 /* Parse the FCF record from the non-embedded mailbox command */
2543 new_fcf_record
= lpfc_sli4_fcf_rec_mbox_parse(phba
, mboxq
,
2545 if (!new_fcf_record
) {
2546 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
2547 "2766 Mailbox command READ_FCF_RECORD "
2548 "failed to retrieve a FCF record. "
2549 "hba_flg x%x fcf_flg x%x\n", phba
->hba_flag
,
2550 phba
->fcf
.fcf_flag
);
2551 lpfc_unregister_fcf_rescan(phba
);
2555 /* Get the needed parameters from FCF record */
2556 rc
= lpfc_match_fcf_conn_list(phba
, new_fcf_record
, &boot_flag
,
2557 &addr_mode
, &vlan_id
);
2559 /* Log the FCF record information if turned on */
2560 lpfc_sli4_log_fcf_record_info(phba
, new_fcf_record
, vlan_id
,
2563 fcf_index
= bf_get(lpfc_fcf_record_fcf_index
, new_fcf_record
);
2565 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2566 "2848 Remove ineligible FCF (x%x) from "
2567 "from roundrobin bmask\n", fcf_index
);
2568 /* Clear roundrobin bmask bit for ineligible FCF */
2569 lpfc_sli4_fcf_rr_index_clear(phba
, fcf_index
);
2570 /* Perform next round of roundrobin FCF failover */
2571 fcf_index
= lpfc_sli4_fcf_rr_next_index_get(phba
);
2572 rc
= lpfc_sli4_fcf_rr_next_proc(phba
->pport
, fcf_index
);
2578 if (fcf_index
== phba
->fcf
.current_rec
.fcf_indx
) {
2579 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2580 "2760 Perform FLOGI roundrobin FCF failover: "
2581 "FCF (x%x) back to FCF (x%x)\n",
2582 phba
->fcf
.current_rec
.fcf_indx
, fcf_index
);
2583 /* Wait 500 ms before retrying FLOGI to current FCF */
2585 lpfc_issue_init_vfi(phba
->pport
);
2589 /* Upload new FCF record to the failover FCF record */
2590 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2591 "2834 Update current FCF (x%x) with new FCF (x%x)\n",
2592 phba
->fcf
.failover_rec
.fcf_indx
, fcf_index
);
2593 spin_lock_irq(&phba
->hbalock
);
2594 __lpfc_update_fcf_record(phba
, &phba
->fcf
.failover_rec
,
2595 new_fcf_record
, addr_mode
, vlan_id
,
2596 (boot_flag
? BOOT_ENABLE
: 0));
2597 spin_unlock_irq(&phba
->hbalock
);
2599 current_fcf_index
= phba
->fcf
.current_rec
.fcf_indx
;
2601 /* Unregister the current in-use FCF record */
2602 lpfc_unregister_fcf(phba
);
2604 /* Replace in-use record with the new record */
2605 memcpy(&phba
->fcf
.current_rec
, &phba
->fcf
.failover_rec
,
2606 sizeof(struct lpfc_fcf_rec
));
2608 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2609 "2783 Perform FLOGI roundrobin FCF failover: FCF "
2610 "(x%x) to FCF (x%x)\n", current_fcf_index
, fcf_index
);
2613 lpfc_register_fcf(phba
);
2615 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
2619 * lpfc_mbx_cmpl_read_fcf_rec - read fcf completion handler.
2620 * @phba: pointer to lpfc hba data structure.
2621 * @mboxq: pointer to mailbox object.
2623 * This is the callback function of read FCF record mailbox command for
2624 * updating the eligible FCF bmask for FLOGI failure roundrobin FCF
2625 * failover when a new FCF event happened. If the FCF read back is
2626 * valid/available and it passes the connection list check, it updates
2627 * the bmask for the eligible FCF record for roundrobin failover.
2630 lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
2632 struct fcf_record
*new_fcf_record
;
2633 uint32_t boot_flag
, addr_mode
;
2634 uint16_t fcf_index
, next_fcf_index
;
2638 /* If link state is not up, no need to proceed */
2639 if (phba
->link_state
< LPFC_LINK_UP
)
2642 /* If FCF discovery period is over, no need to proceed */
2643 if (!(phba
->fcf
.fcf_flag
& FCF_DISCOVERY
))
2646 /* Parse the FCF record from the non-embedded mailbox command */
2647 new_fcf_record
= lpfc_sli4_fcf_rec_mbox_parse(phba
, mboxq
,
2649 if (!new_fcf_record
) {
2650 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2651 "2767 Mailbox command READ_FCF_RECORD "
2652 "failed to retrieve a FCF record.\n");
2656 /* Check the connection list for eligibility */
2657 rc
= lpfc_match_fcf_conn_list(phba
, new_fcf_record
, &boot_flag
,
2658 &addr_mode
, &vlan_id
);
2660 /* Log the FCF record information if turned on */
2661 lpfc_sli4_log_fcf_record_info(phba
, new_fcf_record
, vlan_id
,
2667 /* Update the eligible FCF record index bmask */
2668 fcf_index
= bf_get(lpfc_fcf_record_fcf_index
, new_fcf_record
);
2670 rc
= lpfc_sli4_fcf_pri_list_add(phba
, fcf_index
, new_fcf_record
);
2673 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
2677 * lpfc_init_vfi_cmpl - Completion handler for init_vfi mbox command.
2678 * @phba: pointer to lpfc hba data structure.
2679 * @mboxq: pointer to mailbox data structure.
2681 * This function handles completion of init vfi mailbox command.
2684 lpfc_init_vfi_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
2686 struct lpfc_vport
*vport
= mboxq
->vport
;
2689 * VFI not supported on interface type 0, just do the flogi
2690 * Also continue if the VFI is in use - just use the same one.
2692 if (mboxq
->u
.mb
.mbxStatus
&&
2693 (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
2694 LPFC_SLI_INTF_IF_TYPE_0
) &&
2695 mboxq
->u
.mb
.mbxStatus
!= MBX_VFI_IN_USE
) {
2696 lpfc_printf_vlog(vport
, KERN_ERR
,
2698 "2891 Init VFI mailbox failed 0x%x\n",
2699 mboxq
->u
.mb
.mbxStatus
);
2700 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2701 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
2705 lpfc_initial_flogi(vport
);
2706 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2711 * lpfc_issue_init_vfi - Issue init_vfi mailbox command.
2712 * @vport: pointer to lpfc_vport data structure.
2714 * This function issue a init_vfi mailbox command to initialize the VFI and
2715 * VPI for the physical port.
2718 lpfc_issue_init_vfi(struct lpfc_vport
*vport
)
2720 LPFC_MBOXQ_t
*mboxq
;
2722 struct lpfc_hba
*phba
= vport
->phba
;
2724 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2726 lpfc_printf_vlog(vport
, KERN_ERR
,
2727 LOG_MBOX
, "2892 Failed to allocate "
2728 "init_vfi mailbox\n");
2731 lpfc_init_vfi(mboxq
, vport
);
2732 mboxq
->mbox_cmpl
= lpfc_init_vfi_cmpl
;
2733 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
2734 if (rc
== MBX_NOT_FINISHED
) {
2735 lpfc_printf_vlog(vport
, KERN_ERR
,
2736 LOG_MBOX
, "2893 Failed to issue init_vfi mailbox\n");
2737 mempool_free(mboxq
, vport
->phba
->mbox_mem_pool
);
2742 * lpfc_init_vpi_cmpl - Completion handler for init_vpi mbox command.
2743 * @phba: pointer to lpfc hba data structure.
2744 * @mboxq: pointer to mailbox data structure.
2746 * This function handles completion of init vpi mailbox command.
2749 lpfc_init_vpi_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
2751 struct lpfc_vport
*vport
= mboxq
->vport
;
2752 struct lpfc_nodelist
*ndlp
;
2753 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2755 if (mboxq
->u
.mb
.mbxStatus
) {
2756 lpfc_printf_vlog(vport
, KERN_ERR
,
2758 "2609 Init VPI mailbox failed 0x%x\n",
2759 mboxq
->u
.mb
.mbxStatus
);
2760 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2761 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
2764 spin_lock_irq(shost
->host_lock
);
2765 vport
->fc_flag
&= ~FC_VPORT_NEEDS_INIT_VPI
;
2766 spin_unlock_irq(shost
->host_lock
);
2768 /* If this port is physical port or FDISC is done, do reg_vpi */
2769 if ((phba
->pport
== vport
) || (vport
->port_state
== LPFC_FDISC
)) {
2770 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
2772 lpfc_printf_vlog(vport
, KERN_ERR
,
2774 "2731 Cannot find fabric "
2775 "controller node\n");
2777 lpfc_register_new_vport(phba
, vport
, ndlp
);
2778 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2782 if (phba
->link_flag
& LS_NPIV_FAB_SUPPORTED
)
2783 lpfc_initial_fdisc(vport
);
2785 lpfc_vport_set_state(vport
, FC_VPORT_NO_FABRIC_SUPP
);
2786 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_ELS
,
2787 "2606 No NPIV Fabric support\n");
2789 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2794 * lpfc_issue_init_vpi - Issue init_vpi mailbox command.
2795 * @vport: pointer to lpfc_vport data structure.
2797 * This function issue a init_vpi mailbox command to initialize
2798 * VPI for the vport.
2801 lpfc_issue_init_vpi(struct lpfc_vport
*vport
)
2803 LPFC_MBOXQ_t
*mboxq
;
2806 if ((vport
->port_type
!= LPFC_PHYSICAL_PORT
) && (!vport
->vpi
)) {
2807 vpi
= lpfc_alloc_vpi(vport
->phba
);
2809 lpfc_printf_vlog(vport
, KERN_ERR
,
2811 "3303 Failed to obtain vport vpi\n");
2812 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
2818 mboxq
= mempool_alloc(vport
->phba
->mbox_mem_pool
, GFP_KERNEL
);
2820 lpfc_printf_vlog(vport
, KERN_ERR
,
2821 LOG_MBOX
, "2607 Failed to allocate "
2822 "init_vpi mailbox\n");
2825 lpfc_init_vpi(vport
->phba
, mboxq
, vport
->vpi
);
2826 mboxq
->vport
= vport
;
2827 mboxq
->mbox_cmpl
= lpfc_init_vpi_cmpl
;
2828 rc
= lpfc_sli_issue_mbox(vport
->phba
, mboxq
, MBX_NOWAIT
);
2829 if (rc
== MBX_NOT_FINISHED
) {
2830 lpfc_printf_vlog(vport
, KERN_ERR
,
2831 LOG_MBOX
, "2608 Failed to issue init_vpi mailbox\n");
2832 mempool_free(mboxq
, vport
->phba
->mbox_mem_pool
);
2837 * lpfc_start_fdiscs - send fdiscs for each vports on this port.
2838 * @phba: pointer to lpfc hba data structure.
2840 * This function loops through the list of vports on the @phba and issues an
2841 * FDISC if possible.
2844 lpfc_start_fdiscs(struct lpfc_hba
*phba
)
2846 struct lpfc_vport
**vports
;
2849 vports
= lpfc_create_vport_work_array(phba
);
2850 if (vports
!= NULL
) {
2851 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2852 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
2854 /* There are no vpi for this vport */
2855 if (vports
[i
]->vpi
> phba
->max_vpi
) {
2856 lpfc_vport_set_state(vports
[i
],
2860 if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
2861 lpfc_vport_set_state(vports
[i
],
2865 if (vports
[i
]->fc_flag
& FC_VPORT_NEEDS_INIT_VPI
) {
2866 lpfc_issue_init_vpi(vports
[i
]);
2869 if (phba
->link_flag
& LS_NPIV_FAB_SUPPORTED
)
2870 lpfc_initial_fdisc(vports
[i
]);
2872 lpfc_vport_set_state(vports
[i
],
2873 FC_VPORT_NO_FABRIC_SUPP
);
2874 lpfc_printf_vlog(vports
[i
], KERN_ERR
,
2877 "Fabric support\n");
2881 lpfc_destroy_vport_work_array(phba
, vports
);
2885 lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
2887 struct lpfc_dmabuf
*dmabuf
= mboxq
->context1
;
2888 struct lpfc_vport
*vport
= mboxq
->vport
;
2889 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2892 * VFI not supported for interface type 0, so ignore any mailbox
2893 * error (except VFI in use) and continue with the discovery.
2895 if (mboxq
->u
.mb
.mbxStatus
&&
2896 (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
2897 LPFC_SLI_INTF_IF_TYPE_0
) &&
2898 mboxq
->u
.mb
.mbxStatus
!= MBX_VFI_IN_USE
) {
2899 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
2900 "2018 REG_VFI mbxStatus error x%x "
2902 mboxq
->u
.mb
.mbxStatus
, vport
->port_state
);
2903 if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
2904 /* FLOGI failed, use loop map to make discovery list */
2905 lpfc_disc_list_loopmap(vport
);
2906 /* Start discovery */
2907 lpfc_disc_start(vport
);
2910 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
2914 /* If the VFI is already registered, there is nothing else to do
2915 * Unless this was a VFI update and we are in PT2PT mode, then
2916 * we should drop through to set the port state to ready.
2918 if (vport
->fc_flag
& FC_VFI_REGISTERED
)
2919 if (!(phba
->sli_rev
== LPFC_SLI_REV4
&&
2920 vport
->fc_flag
& FC_PT2PT
))
2923 /* The VPI is implicitly registered when the VFI is registered */
2924 spin_lock_irq(shost
->host_lock
);
2925 vport
->vpi_state
|= LPFC_VPI_REGISTERED
;
2926 vport
->fc_flag
|= FC_VFI_REGISTERED
;
2927 vport
->fc_flag
&= ~FC_VPORT_NEEDS_REG_VPI
;
2928 vport
->fc_flag
&= ~FC_VPORT_NEEDS_INIT_VPI
;
2929 spin_unlock_irq(shost
->host_lock
);
2931 /* In case SLI4 FC loopback test, we are ready */
2932 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
2933 (phba
->link_flag
& LS_LOOPBACK_MODE
)) {
2934 phba
->link_state
= LPFC_HBA_READY
;
2938 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_SLI
,
2939 "3313 cmpl reg vfi port_state:%x fc_flag:%x myDid:%x "
2940 "alpacnt:%d LinkState:%x topology:%x\n",
2941 vport
->port_state
, vport
->fc_flag
, vport
->fc_myDID
,
2942 vport
->phba
->alpa_map
[0],
2943 phba
->link_state
, phba
->fc_topology
);
2945 if (vport
->port_state
== LPFC_FABRIC_CFG_LINK
) {
2947 * For private loop or for NPort pt2pt,
2948 * just start discovery and we are done.
2950 if ((vport
->fc_flag
& FC_PT2PT
) ||
2951 ((phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) &&
2952 !(vport
->fc_flag
& FC_PUBLIC_LOOP
))) {
2954 /* Use loop map to make discovery list */
2955 lpfc_disc_list_loopmap(vport
);
2956 /* Start discovery */
2957 if (vport
->fc_flag
& FC_PT2PT
)
2958 vport
->port_state
= LPFC_VPORT_READY
;
2960 lpfc_disc_start(vport
);
2962 lpfc_start_fdiscs(phba
);
2963 lpfc_do_scr_ns_plogi(phba
, vport
);
2968 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2970 lpfc_mbuf_free(phba
, dmabuf
->virt
, dmabuf
->phys
);
2977 lpfc_mbx_cmpl_read_sparam(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
2979 MAILBOX_t
*mb
= &pmb
->u
.mb
;
2980 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
2981 struct lpfc_vport
*vport
= pmb
->vport
;
2982 struct serv_parm
*sp
= &vport
->fc_sparam
;
2985 /* Check for error */
2986 if (mb
->mbxStatus
) {
2987 /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */
2988 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
2989 "0319 READ_SPARAM mbxStatus error x%x "
2991 mb
->mbxStatus
, vport
->port_state
);
2992 lpfc_linkdown(phba
);
2996 memcpy((uint8_t *) &vport
->fc_sparam
, (uint8_t *) mp
->virt
,
2997 sizeof (struct serv_parm
));
2999 ed_tov
= be32_to_cpu(sp
->cmn
.e_d_tov
);
3000 if (sp
->cmn
.edtovResolution
) /* E_D_TOV ticks are in nanoseconds */
3001 ed_tov
= (ed_tov
+ 999999) / 1000000;
3003 phba
->fc_edtov
= ed_tov
;
3004 phba
->fc_ratov
= (2 * ed_tov
) / 1000;
3005 if (phba
->fc_ratov
< FF_DEF_RATOV
) {
3006 /* RA_TOV should be atleast 10sec for initial flogi */
3007 phba
->fc_ratov
= FF_DEF_RATOV
;
3010 lpfc_update_vport_wwn(vport
);
3011 if (vport
->port_type
== LPFC_PHYSICAL_PORT
) {
3012 memcpy(&phba
->wwnn
, &vport
->fc_nodename
, sizeof(phba
->wwnn
));
3013 memcpy(&phba
->wwpn
, &vport
->fc_portname
, sizeof(phba
->wwnn
));
3016 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3018 mempool_free(pmb
, phba
->mbox_mem_pool
);
3022 pmb
->context1
= NULL
;
3023 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3025 lpfc_issue_clear_la(phba
, vport
);
3026 mempool_free(pmb
, phba
->mbox_mem_pool
);
3031 lpfc_mbx_process_link_up(struct lpfc_hba
*phba
, struct lpfc_mbx_read_top
*la
)
3033 struct lpfc_vport
*vport
= phba
->pport
;
3034 LPFC_MBOXQ_t
*sparam_mbox
, *cfglink_mbox
= NULL
;
3035 struct Scsi_Host
*shost
;
3037 struct lpfc_dmabuf
*mp
;
3039 struct fcf_record
*fcf_record
;
3040 uint32_t fc_flags
= 0;
3042 spin_lock_irq(&phba
->hbalock
);
3043 switch (bf_get(lpfc_mbx_read_top_link_spd
, la
)) {
3044 case LPFC_LINK_SPEED_1GHZ
:
3045 case LPFC_LINK_SPEED_2GHZ
:
3046 case LPFC_LINK_SPEED_4GHZ
:
3047 case LPFC_LINK_SPEED_8GHZ
:
3048 case LPFC_LINK_SPEED_10GHZ
:
3049 case LPFC_LINK_SPEED_16GHZ
:
3050 case LPFC_LINK_SPEED_32GHZ
:
3051 phba
->fc_linkspeed
= bf_get(lpfc_mbx_read_top_link_spd
, la
);
3054 phba
->fc_linkspeed
= LPFC_LINK_SPEED_UNKNOWN
;
3058 if (phba
->fc_topology
&&
3059 phba
->fc_topology
!= bf_get(lpfc_mbx_read_top_topology
, la
)) {
3060 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
3061 "3314 Toplogy changed was 0x%x is 0x%x\n",
3063 bf_get(lpfc_mbx_read_top_topology
, la
));
3064 phba
->fc_topology_changed
= 1;
3067 phba
->fc_topology
= bf_get(lpfc_mbx_read_top_topology
, la
);
3068 phba
->link_flag
&= ~LS_NPIV_FAB_SUPPORTED
;
3070 shost
= lpfc_shost_from_vport(vport
);
3071 if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
3072 phba
->sli3_options
&= ~LPFC_SLI3_NPIV_ENABLED
;
3074 /* if npiv is enabled and this adapter supports npiv log
3075 * a message that npiv is not supported in this topology
3077 if (phba
->cfg_enable_npiv
&& phba
->max_vpi
)
3078 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
3079 "1309 Link Up Event npiv not supported in loop "
3081 /* Get Loop Map information */
3082 if (bf_get(lpfc_mbx_read_top_il
, la
))
3083 fc_flags
|= FC_LBIT
;
3085 vport
->fc_myDID
= bf_get(lpfc_mbx_read_top_alpa_granted
, la
);
3086 i
= la
->lilpBde64
.tus
.f
.bdeSize
;
3089 phba
->alpa_map
[0] = 0;
3091 if (vport
->cfg_log_verbose
& LOG_LINK_EVENT
) {
3102 numalpa
= phba
->alpa_map
[0];
3104 while (j
< numalpa
) {
3105 memset(un
.pamap
, 0, 16);
3106 for (k
= 1; j
< numalpa
; k
++) {
3108 phba
->alpa_map
[j
+ 1];
3113 /* Link Up Event ALPA map */
3114 lpfc_printf_log(phba
,
3117 "1304 Link Up Event "
3118 "ALPA map Data: x%x "
3120 un
.pa
.wd1
, un
.pa
.wd2
,
3121 un
.pa
.wd3
, un
.pa
.wd4
);
3126 if (!(phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)) {
3127 if (phba
->max_vpi
&& phba
->cfg_enable_npiv
&&
3128 (phba
->sli_rev
>= LPFC_SLI_REV3
))
3129 phba
->sli3_options
|= LPFC_SLI3_NPIV_ENABLED
;
3131 vport
->fc_myDID
= phba
->fc_pref_DID
;
3132 fc_flags
|= FC_LBIT
;
3134 spin_unlock_irq(&phba
->hbalock
);
3137 spin_lock_irq(shost
->host_lock
);
3138 vport
->fc_flag
|= fc_flags
;
3139 spin_unlock_irq(shost
->host_lock
);
3143 sparam_mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3147 rc
= lpfc_read_sparam(phba
, sparam_mbox
, 0);
3149 mempool_free(sparam_mbox
, phba
->mbox_mem_pool
);
3152 sparam_mbox
->vport
= vport
;
3153 sparam_mbox
->mbox_cmpl
= lpfc_mbx_cmpl_read_sparam
;
3154 rc
= lpfc_sli_issue_mbox(phba
, sparam_mbox
, MBX_NOWAIT
);
3155 if (rc
== MBX_NOT_FINISHED
) {
3156 mp
= (struct lpfc_dmabuf
*) sparam_mbox
->context1
;
3157 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3159 mempool_free(sparam_mbox
, phba
->mbox_mem_pool
);
3163 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
3164 cfglink_mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3167 vport
->port_state
= LPFC_LOCAL_CFG_LINK
;
3168 lpfc_config_link(phba
, cfglink_mbox
);
3169 cfglink_mbox
->vport
= vport
;
3170 cfglink_mbox
->mbox_cmpl
= lpfc_mbx_cmpl_local_config_link
;
3171 rc
= lpfc_sli_issue_mbox(phba
, cfglink_mbox
, MBX_NOWAIT
);
3172 if (rc
== MBX_NOT_FINISHED
) {
3173 mempool_free(cfglink_mbox
, phba
->mbox_mem_pool
);
3177 vport
->port_state
= LPFC_VPORT_UNKNOWN
;
3179 * Add the driver's default FCF record at FCF index 0 now. This
3180 * is phase 1 implementation that support FCF index 0 and driver
3183 if (!(phba
->hba_flag
& HBA_FIP_SUPPORT
)) {
3184 fcf_record
= kzalloc(sizeof(struct fcf_record
),
3186 if (unlikely(!fcf_record
)) {
3187 lpfc_printf_log(phba
, KERN_ERR
,
3189 "2554 Could not allocate memory for "
3195 lpfc_sli4_build_dflt_fcf_record(phba
, fcf_record
,
3196 LPFC_FCOE_FCF_DEF_INDEX
);
3197 rc
= lpfc_sli4_add_fcf_record(phba
, fcf_record
);
3199 lpfc_printf_log(phba
, KERN_ERR
,
3201 "2013 Could not manually add FCF "
3202 "record 0, status %d\n", rc
);
3210 * The driver is expected to do FIP/FCF. Call the port
3211 * and get the FCF Table.
3213 spin_lock_irq(&phba
->hbalock
);
3214 if (phba
->hba_flag
& FCF_TS_INPROG
) {
3215 spin_unlock_irq(&phba
->hbalock
);
3218 /* This is the initial FCF discovery scan */
3219 phba
->fcf
.fcf_flag
|= FCF_INIT_DISC
;
3220 spin_unlock_irq(&phba
->hbalock
);
3221 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3222 "2778 Start FCF table scan at linkup\n");
3223 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
3224 LPFC_FCOE_FCF_GET_FIRST
);
3226 spin_lock_irq(&phba
->hbalock
);
3227 phba
->fcf
.fcf_flag
&= ~FCF_INIT_DISC
;
3228 spin_unlock_irq(&phba
->hbalock
);
3231 /* Reset FCF roundrobin bmask for new discovery */
3232 lpfc_sli4_clear_fcf_rr_bmask(phba
);
3237 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
3238 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
3239 "0263 Discovery Mailbox error: state: 0x%x : %p %p\n",
3240 vport
->port_state
, sparam_mbox
, cfglink_mbox
);
3241 lpfc_issue_clear_la(phba
, vport
);
3246 lpfc_enable_la(struct lpfc_hba
*phba
)
3249 struct lpfc_sli
*psli
= &phba
->sli
;
3250 spin_lock_irq(&phba
->hbalock
);
3251 psli
->sli_flag
|= LPFC_PROCESS_LA
;
3252 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
3253 control
= readl(phba
->HCregaddr
);
3254 control
|= HC_LAINT_ENA
;
3255 writel(control
, phba
->HCregaddr
);
3256 readl(phba
->HCregaddr
); /* flush */
3258 spin_unlock_irq(&phba
->hbalock
);
3262 lpfc_mbx_issue_link_down(struct lpfc_hba
*phba
)
3264 lpfc_linkdown(phba
);
3265 lpfc_enable_la(phba
);
3266 lpfc_unregister_unused_fcf(phba
);
3267 /* turn on Link Attention interrupts - no CLEAR_LA needed */
3272 * This routine handles processing a READ_TOPOLOGY mailbox
3273 * command upon completion. It is setup in the LPFC_MBOXQ
3274 * as the completion routine when the command is
3275 * handed off to the SLI layer.
3278 lpfc_mbx_cmpl_read_topology(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
3280 struct lpfc_vport
*vport
= pmb
->vport
;
3281 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3282 struct lpfc_mbx_read_top
*la
;
3283 MAILBOX_t
*mb
= &pmb
->u
.mb
;
3284 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
3286 /* Unblock ELS traffic */
3287 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
3288 /* Check for error */
3289 if (mb
->mbxStatus
) {
3290 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
3291 "1307 READ_LA mbox error x%x state x%x\n",
3292 mb
->mbxStatus
, vport
->port_state
);
3293 lpfc_mbx_issue_link_down(phba
);
3294 phba
->link_state
= LPFC_HBA_ERROR
;
3295 goto lpfc_mbx_cmpl_read_topology_free_mbuf
;
3298 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
3300 memcpy(&phba
->alpa_map
[0], mp
->virt
, 128);
3302 spin_lock_irq(shost
->host_lock
);
3303 if (bf_get(lpfc_mbx_read_top_pb
, la
))
3304 vport
->fc_flag
|= FC_BYPASSED_MODE
;
3306 vport
->fc_flag
&= ~FC_BYPASSED_MODE
;
3307 spin_unlock_irq(shost
->host_lock
);
3309 if (phba
->fc_eventTag
<= la
->eventTag
) {
3310 phba
->fc_stat
.LinkMultiEvent
++;
3311 if (bf_get(lpfc_mbx_read_top_att_type
, la
) == LPFC_ATT_LINK_UP
)
3312 if (phba
->fc_eventTag
!= 0)
3313 lpfc_linkdown(phba
);
3316 phba
->fc_eventTag
= la
->eventTag
;
3317 if (phba
->sli_rev
< LPFC_SLI_REV4
) {
3318 spin_lock_irq(&phba
->hbalock
);
3319 if (bf_get(lpfc_mbx_read_top_mm
, la
))
3320 phba
->sli
.sli_flag
|= LPFC_MENLO_MAINT
;
3322 phba
->sli
.sli_flag
&= ~LPFC_MENLO_MAINT
;
3323 spin_unlock_irq(&phba
->hbalock
);
3326 phba
->link_events
++;
3327 if ((bf_get(lpfc_mbx_read_top_att_type
, la
) == LPFC_ATT_LINK_UP
) &&
3328 !(phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
)) {
3329 phba
->fc_stat
.LinkUp
++;
3330 if (phba
->link_flag
& LS_LOOPBACK_MODE
) {
3331 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
3332 "1306 Link Up Event in loop back mode "
3333 "x%x received Data: x%x x%x x%x x%x\n",
3334 la
->eventTag
, phba
->fc_eventTag
,
3335 bf_get(lpfc_mbx_read_top_alpa_granted
,
3337 bf_get(lpfc_mbx_read_top_link_spd
, la
),
3340 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
3341 "1303 Link Up Event x%x received "
3342 "Data: x%x x%x x%x x%x x%x x%x %d\n",
3343 la
->eventTag
, phba
->fc_eventTag
,
3344 bf_get(lpfc_mbx_read_top_alpa_granted
,
3346 bf_get(lpfc_mbx_read_top_link_spd
, la
),
3348 bf_get(lpfc_mbx_read_top_mm
, la
),
3349 bf_get(lpfc_mbx_read_top_fa
, la
),
3350 phba
->wait_4_mlo_maint_flg
);
3352 lpfc_mbx_process_link_up(phba
, la
);
3353 } else if (bf_get(lpfc_mbx_read_top_att_type
, la
) ==
3354 LPFC_ATT_LINK_DOWN
) {
3355 phba
->fc_stat
.LinkDown
++;
3356 if (phba
->link_flag
& LS_LOOPBACK_MODE
)
3357 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
3358 "1308 Link Down Event in loop back mode "
3360 "Data: x%x x%x x%x\n",
3361 la
->eventTag
, phba
->fc_eventTag
,
3362 phba
->pport
->port_state
, vport
->fc_flag
);
3364 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
3365 "1305 Link Down Event x%x received "
3366 "Data: x%x x%x x%x x%x x%x\n",
3367 la
->eventTag
, phba
->fc_eventTag
,
3368 phba
->pport
->port_state
, vport
->fc_flag
,
3369 bf_get(lpfc_mbx_read_top_mm
, la
),
3370 bf_get(lpfc_mbx_read_top_fa
, la
));
3371 lpfc_mbx_issue_link_down(phba
);
3373 if ((phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
) &&
3374 ((bf_get(lpfc_mbx_read_top_att_type
, la
) == LPFC_ATT_LINK_UP
))) {
3375 if (phba
->link_state
!= LPFC_LINK_DOWN
) {
3376 phba
->fc_stat
.LinkDown
++;
3377 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
3378 "1312 Link Down Event x%x received "
3379 "Data: x%x x%x x%x\n",
3380 la
->eventTag
, phba
->fc_eventTag
,
3381 phba
->pport
->port_state
, vport
->fc_flag
);
3382 lpfc_mbx_issue_link_down(phba
);
3384 lpfc_enable_la(phba
);
3386 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
3387 "1310 Menlo Maint Mode Link up Event x%x rcvd "
3388 "Data: x%x x%x x%x\n",
3389 la
->eventTag
, phba
->fc_eventTag
,
3390 phba
->pport
->port_state
, vport
->fc_flag
);
3392 * The cmnd that triggered this will be waiting for this
3395 /* WAKEUP for MENLO_SET_MODE or MENLO_RESET command. */
3396 if (phba
->wait_4_mlo_maint_flg
) {
3397 phba
->wait_4_mlo_maint_flg
= 0;
3398 wake_up_interruptible(&phba
->wait_4_mlo_m_q
);
3402 if ((phba
->sli_rev
< LPFC_SLI_REV4
) &&
3403 bf_get(lpfc_mbx_read_top_fa
, la
)) {
3404 if (phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
)
3405 lpfc_issue_clear_la(phba
, vport
);
3406 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
3408 bf_get(lpfc_mbx_read_top_fa
, la
));
3411 lpfc_mbx_cmpl_read_topology_free_mbuf
:
3412 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3414 mempool_free(pmb
, phba
->mbox_mem_pool
);
3419 * This routine handles processing a REG_LOGIN mailbox
3420 * command upon completion. It is setup in the LPFC_MBOXQ
3421 * as the completion routine when the command is
3422 * handed off to the SLI layer.
3425 lpfc_mbx_cmpl_reg_login(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
3427 struct lpfc_vport
*vport
= pmb
->vport
;
3428 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
3429 struct lpfc_nodelist
*ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
3430 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3432 pmb
->context1
= NULL
;
3433 pmb
->context2
= NULL
;
3435 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_SLI
,
3436 "0002 rpi:%x DID:%x flg:%x %d map:%x %p\n",
3437 ndlp
->nlp_rpi
, ndlp
->nlp_DID
, ndlp
->nlp_flag
,
3438 atomic_read(&ndlp
->kref
.refcount
),
3439 ndlp
->nlp_usg_map
, ndlp
);
3440 if (ndlp
->nlp_flag
& NLP_REG_LOGIN_SEND
)
3441 ndlp
->nlp_flag
&= ~NLP_REG_LOGIN_SEND
;
3443 if (ndlp
->nlp_flag
& NLP_IGNR_REG_CMPL
||
3444 ndlp
->nlp_state
!= NLP_STE_REG_LOGIN_ISSUE
) {
3445 /* We rcvd a rscn after issuing this
3446 * mbox reg login, we may have cycled
3447 * back through the state and be
3448 * back at reg login state so this
3449 * mbox needs to be ignored becase
3450 * there is another reg login in
3453 spin_lock_irq(shost
->host_lock
);
3454 ndlp
->nlp_flag
&= ~NLP_IGNR_REG_CMPL
;
3455 spin_unlock_irq(shost
->host_lock
);
3458 /* Call state machine */
3459 lpfc_disc_state_machine(vport
, ndlp
, pmb
, NLP_EVT_CMPL_REG_LOGIN
);
3461 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3463 mempool_free(pmb
, phba
->mbox_mem_pool
);
3464 /* decrement the node reference count held for this callback
3473 lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
3475 MAILBOX_t
*mb
= &pmb
->u
.mb
;
3476 struct lpfc_vport
*vport
= pmb
->vport
;
3477 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3479 switch (mb
->mbxStatus
) {
3482 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
3483 "0911 cmpl_unreg_vpi, mb status = 0x%x\n",
3486 /* If VPI is busy, reset the HBA */
3488 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_NODE
,
3489 "2798 Unreg_vpi failed vpi 0x%x, mb status = 0x%x\n",
3490 vport
->vpi
, mb
->mbxStatus
);
3491 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
3492 lpfc_workq_post_event(phba
, NULL
, NULL
,
3493 LPFC_EVT_RESET_HBA
);
3495 spin_lock_irq(shost
->host_lock
);
3496 vport
->vpi_state
&= ~LPFC_VPI_REGISTERED
;
3497 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3498 spin_unlock_irq(shost
->host_lock
);
3499 vport
->unreg_vpi_cmpl
= VPORT_OK
;
3500 mempool_free(pmb
, phba
->mbox_mem_pool
);
3501 lpfc_cleanup_vports_rrqs(vport
, NULL
);
3503 * This shost reference might have been taken at the beginning of
3504 * lpfc_vport_delete()
3506 if ((vport
->load_flag
& FC_UNLOADING
) && (vport
!= phba
->pport
))
3507 scsi_host_put(shost
);
3511 lpfc_mbx_unreg_vpi(struct lpfc_vport
*vport
)
3513 struct lpfc_hba
*phba
= vport
->phba
;
3517 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3521 lpfc_unreg_vpi(phba
, vport
->vpi
, mbox
);
3522 mbox
->vport
= vport
;
3523 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_unreg_vpi
;
3524 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
3525 if (rc
== MBX_NOT_FINISHED
) {
3526 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
| LOG_VPORT
,
3527 "1800 Could not issue unreg_vpi\n");
3528 mempool_free(mbox
, phba
->mbox_mem_pool
);
3529 vport
->unreg_vpi_cmpl
= VPORT_ERROR
;
3536 lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
3538 struct lpfc_vport
*vport
= pmb
->vport
;
3539 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3540 MAILBOX_t
*mb
= &pmb
->u
.mb
;
3542 switch (mb
->mbxStatus
) {
3546 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
3547 "0912 cmpl_reg_vpi, mb status = 0x%x\n",
3549 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
3550 spin_lock_irq(shost
->host_lock
);
3551 vport
->fc_flag
&= ~(FC_FABRIC
| FC_PUBLIC_LOOP
);
3552 spin_unlock_irq(shost
->host_lock
);
3553 vport
->fc_myDID
= 0;
3557 spin_lock_irq(shost
->host_lock
);
3558 vport
->vpi_state
|= LPFC_VPI_REGISTERED
;
3559 vport
->fc_flag
&= ~FC_VPORT_NEEDS_REG_VPI
;
3560 spin_unlock_irq(shost
->host_lock
);
3561 vport
->num_disc_nodes
= 0;
3562 /* go thru NPR list and issue ELS PLOGIs */
3563 if (vport
->fc_npr_cnt
)
3564 lpfc_els_disc_plogi(vport
);
3566 if (!vport
->num_disc_nodes
) {
3567 spin_lock_irq(shost
->host_lock
);
3568 vport
->fc_flag
&= ~FC_NDISC_ACTIVE
;
3569 spin_unlock_irq(shost
->host_lock
);
3570 lpfc_can_disctmo(vport
);
3572 vport
->port_state
= LPFC_VPORT_READY
;
3575 mempool_free(pmb
, phba
->mbox_mem_pool
);
3580 * lpfc_create_static_vport - Read HBA config region to create static vports.
3581 * @phba: pointer to lpfc hba data structure.
3583 * This routine issue a DUMP mailbox command for config region 22 to get
3584 * the list of static vports to be created. The function create vports
3585 * based on the information returned from the HBA.
3588 lpfc_create_static_vport(struct lpfc_hba
*phba
)
3590 LPFC_MBOXQ_t
*pmb
= NULL
;
3592 struct static_vport_info
*vport_info
;
3593 int mbx_wait_rc
= 0, i
;
3594 struct fc_vport_identifiers vport_id
;
3595 struct fc_vport
*new_fc_vport
;
3596 struct Scsi_Host
*shost
;
3597 struct lpfc_vport
*vport
;
3598 uint16_t offset
= 0;
3599 uint8_t *vport_buff
;
3600 struct lpfc_dmabuf
*mp
;
3601 uint32_t byte_count
= 0;
3603 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3605 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3606 "0542 lpfc_create_static_vport failed to"
3607 " allocate mailbox memory\n");
3610 memset(pmb
, 0, sizeof(LPFC_MBOXQ_t
));
3613 vport_info
= kzalloc(sizeof(struct static_vport_info
), GFP_KERNEL
);
3615 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3616 "0543 lpfc_create_static_vport failed to"
3617 " allocate vport_info\n");
3618 mempool_free(pmb
, phba
->mbox_mem_pool
);
3622 vport_buff
= (uint8_t *) vport_info
;
3624 /* free dma buffer from previous round */
3625 if (pmb
->context1
) {
3626 mp
= (struct lpfc_dmabuf
*)pmb
->context1
;
3627 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3630 if (lpfc_dump_static_vport(phba
, pmb
, offset
))
3633 pmb
->vport
= phba
->pport
;
3634 mbx_wait_rc
= lpfc_sli_issue_mbox_wait(phba
, pmb
,
3637 if ((mbx_wait_rc
!= MBX_SUCCESS
) || mb
->mbxStatus
) {
3638 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
3639 "0544 lpfc_create_static_vport failed to"
3640 " issue dump mailbox command ret 0x%x "
3642 mbx_wait_rc
, mb
->mbxStatus
);
3646 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3647 byte_count
= pmb
->u
.mqe
.un
.mb_words
[5];
3648 mp
= (struct lpfc_dmabuf
*)pmb
->context1
;
3649 if (byte_count
> sizeof(struct static_vport_info
) -
3651 byte_count
= sizeof(struct static_vport_info
)
3653 memcpy(vport_buff
+ offset
, mp
->virt
, byte_count
);
3654 offset
+= byte_count
;
3656 if (mb
->un
.varDmp
.word_cnt
>
3657 sizeof(struct static_vport_info
) - offset
)
3658 mb
->un
.varDmp
.word_cnt
=
3659 sizeof(struct static_vport_info
)
3661 byte_count
= mb
->un
.varDmp
.word_cnt
;
3662 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
3663 vport_buff
+ offset
,
3666 offset
+= byte_count
;
3669 } while (byte_count
&&
3670 offset
< sizeof(struct static_vport_info
));
3673 if ((le32_to_cpu(vport_info
->signature
) != VPORT_INFO_SIG
) ||
3674 ((le32_to_cpu(vport_info
->rev
) & VPORT_INFO_REV_MASK
)
3675 != VPORT_INFO_REV
)) {
3676 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3677 "0545 lpfc_create_static_vport bad"
3678 " information header 0x%x 0x%x\n",
3679 le32_to_cpu(vport_info
->signature
),
3680 le32_to_cpu(vport_info
->rev
) & VPORT_INFO_REV_MASK
);
3685 shost
= lpfc_shost_from_vport(phba
->pport
);
3687 for (i
= 0; i
< MAX_STATIC_VPORT_COUNT
; i
++) {
3688 memset(&vport_id
, 0, sizeof(vport_id
));
3689 vport_id
.port_name
= wwn_to_u64(vport_info
->vport_list
[i
].wwpn
);
3690 vport_id
.node_name
= wwn_to_u64(vport_info
->vport_list
[i
].wwnn
);
3691 if (!vport_id
.port_name
|| !vport_id
.node_name
)
3694 vport_id
.roles
= FC_PORT_ROLE_FCP_INITIATOR
;
3695 vport_id
.vport_type
= FC_PORTTYPE_NPIV
;
3696 vport_id
.disable
= false;
3697 new_fc_vport
= fc_vport_create(shost
, 0, &vport_id
);
3699 if (!new_fc_vport
) {
3700 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
3701 "0546 lpfc_create_static_vport failed to"
3706 vport
= *(struct lpfc_vport
**)new_fc_vport
->dd_data
;
3707 vport
->vport_flag
|= STATIC_VPORT
;
3712 if (mbx_wait_rc
!= MBX_TIMEOUT
) {
3713 if (pmb
->context1
) {
3714 mp
= (struct lpfc_dmabuf
*)pmb
->context1
;
3715 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3718 mempool_free(pmb
, phba
->mbox_mem_pool
);
3725 * This routine handles processing a Fabric REG_LOGIN mailbox
3726 * command upon completion. It is setup in the LPFC_MBOXQ
3727 * as the completion routine when the command is
3728 * handed off to the SLI layer.
3731 lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
3733 struct lpfc_vport
*vport
= pmb
->vport
;
3734 MAILBOX_t
*mb
= &pmb
->u
.mb
;
3735 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
3736 struct lpfc_nodelist
*ndlp
;
3737 struct Scsi_Host
*shost
;
3739 ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
3740 pmb
->context1
= NULL
;
3741 pmb
->context2
= NULL
;
3743 if (mb
->mbxStatus
) {
3744 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
3745 "0258 Register Fabric login error: 0x%x\n",
3747 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3749 mempool_free(pmb
, phba
->mbox_mem_pool
);
3751 if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
3752 /* FLOGI failed, use loop map to make discovery list */
3753 lpfc_disc_list_loopmap(vport
);
3755 /* Start discovery */
3756 lpfc_disc_start(vport
);
3757 /* Decrement the reference count to ndlp after the
3758 * reference to the ndlp are done.
3764 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
3765 /* Decrement the reference count to ndlp after the reference
3766 * to the ndlp are done.
3772 if (phba
->sli_rev
< LPFC_SLI_REV4
)
3773 ndlp
->nlp_rpi
= mb
->un
.varWords
[0];
3774 ndlp
->nlp_flag
|= NLP_RPI_REGISTERED
;
3775 ndlp
->nlp_type
|= NLP_FABRIC
;
3776 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNMAPPED_NODE
);
3778 if (vport
->port_state
== LPFC_FABRIC_CFG_LINK
) {
3779 /* when physical port receive logo donot start
3780 * vport discovery */
3781 if (!(vport
->fc_flag
& FC_LOGO_RCVD_DID_CHNG
))
3782 lpfc_start_fdiscs(phba
);
3784 shost
= lpfc_shost_from_vport(vport
);
3785 spin_lock_irq(shost
->host_lock
);
3786 vport
->fc_flag
&= ~FC_LOGO_RCVD_DID_CHNG
;
3787 spin_unlock_irq(shost
->host_lock
);
3789 lpfc_do_scr_ns_plogi(phba
, vport
);
3792 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3794 mempool_free(pmb
, phba
->mbox_mem_pool
);
3796 /* Drop the reference count from the mbox at the end after
3797 * all the current reference to the ndlp have been done.
3804 * This routine handles processing a NameServer REG_LOGIN mailbox
3805 * command upon completion. It is setup in the LPFC_MBOXQ
3806 * as the completion routine when the command is
3807 * handed off to the SLI layer.
3810 lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
3812 MAILBOX_t
*mb
= &pmb
->u
.mb
;
3813 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
3814 struct lpfc_nodelist
*ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
3815 struct lpfc_vport
*vport
= pmb
->vport
;
3817 pmb
->context1
= NULL
;
3818 pmb
->context2
= NULL
;
3820 if (mb
->mbxStatus
) {
3822 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_ELS
,
3823 "0260 Register NameServer error: 0x%x\n",
3825 /* decrement the node reference count held for this
3826 * callback function.
3829 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3831 mempool_free(pmb
, phba
->mbox_mem_pool
);
3833 /* If no other thread is using the ndlp, free it */
3834 lpfc_nlp_not_used(ndlp
);
3836 if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
3838 * RegLogin failed, use loop map to make discovery
3841 lpfc_disc_list_loopmap(vport
);
3843 /* Start discovery */
3844 lpfc_disc_start(vport
);
3847 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
3851 if (phba
->sli_rev
< LPFC_SLI_REV4
)
3852 ndlp
->nlp_rpi
= mb
->un
.varWords
[0];
3853 ndlp
->nlp_flag
|= NLP_RPI_REGISTERED
;
3854 ndlp
->nlp_type
|= NLP_FABRIC
;
3855 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNMAPPED_NODE
);
3856 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_SLI
,
3857 "0003 rpi:%x DID:%x flg:%x %d map%x %p\n",
3858 ndlp
->nlp_rpi
, ndlp
->nlp_DID
, ndlp
->nlp_flag
,
3859 atomic_read(&ndlp
->kref
.refcount
),
3860 ndlp
->nlp_usg_map
, ndlp
);
3862 if (vport
->port_state
< LPFC_VPORT_READY
) {
3863 /* Link up discovery requires Fabric registration. */
3864 lpfc_ns_cmd(vport
, SLI_CTNS_RNN_ID
, 0, 0);
3865 lpfc_ns_cmd(vport
, SLI_CTNS_RSNN_NN
, 0, 0);
3866 lpfc_ns_cmd(vport
, SLI_CTNS_RSPN_ID
, 0, 0);
3867 lpfc_ns_cmd(vport
, SLI_CTNS_RFT_ID
, 0, 0);
3868 lpfc_ns_cmd(vport
, SLI_CTNS_RFF_ID
, 0, 0);
3870 /* Issue SCR just before NameServer GID_FT Query */
3871 lpfc_issue_els_scr(vport
, SCR_DID
, 0);
3874 vport
->fc_ns_retry
= 0;
3875 /* Good status, issue CT Request to NameServer */
3876 if (lpfc_ns_cmd(vport
, SLI_CTNS_GID_FT
, 0, 0)) {
3877 /* Cannot issue NameServer Query, so finish up discovery */
3881 /* decrement the node reference count held for this
3882 * callback function.
3885 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3887 mempool_free(pmb
, phba
->mbox_mem_pool
);
3893 lpfc_register_remote_port(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
3895 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3896 struct fc_rport
*rport
;
3897 struct lpfc_rport_data
*rdata
;
3898 struct fc_rport_identifiers rport_ids
;
3899 struct lpfc_hba
*phba
= vport
->phba
;
3901 /* Remote port has reappeared. Re-register w/ FC transport */
3902 rport_ids
.node_name
= wwn_to_u64(ndlp
->nlp_nodename
.u
.wwn
);
3903 rport_ids
.port_name
= wwn_to_u64(ndlp
->nlp_portname
.u
.wwn
);
3904 rport_ids
.port_id
= ndlp
->nlp_DID
;
3905 rport_ids
.roles
= FC_RPORT_ROLE_UNKNOWN
;
3908 * We leave our node pointer in rport->dd_data when we unregister a
3909 * FCP target port. But fc_remote_port_add zeros the space to which
3910 * rport->dd_data points. So, if we're reusing a previously
3911 * registered port, drop the reference that we took the last time we
3912 * registered the port.
3914 rport
= ndlp
->rport
;
3916 rdata
= rport
->dd_data
;
3917 /* break the link before dropping the ref */
3919 if (rdata
&& rdata
->pnode
== ndlp
)
3921 rdata
->pnode
= NULL
;
3922 /* drop reference for earlier registeration */
3923 put_device(&rport
->dev
);
3926 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_RPORT
,
3927 "rport add: did:x%x flg:x%x type x%x",
3928 ndlp
->nlp_DID
, ndlp
->nlp_flag
, ndlp
->nlp_type
);
3930 /* Don't add the remote port if unloading. */
3931 if (vport
->load_flag
& FC_UNLOADING
)
3934 ndlp
->rport
= rport
= fc_remote_port_add(shost
, 0, &rport_ids
);
3935 if (!rport
|| !get_device(&rport
->dev
)) {
3936 dev_printk(KERN_WARNING
, &phba
->pcidev
->dev
,
3937 "Warning: fc_remote_port_add failed\n");
3941 /* initialize static port data */
3942 rport
->maxframe_size
= ndlp
->nlp_maxframe
;
3943 rport
->supported_classes
= ndlp
->nlp_class_sup
;
3944 rdata
= rport
->dd_data
;
3945 rdata
->pnode
= lpfc_nlp_get(ndlp
);
3947 if (ndlp
->nlp_type
& NLP_FCP_TARGET
)
3948 rport_ids
.roles
|= FC_RPORT_ROLE_FCP_TARGET
;
3949 if (ndlp
->nlp_type
& NLP_FCP_INITIATOR
)
3950 rport_ids
.roles
|= FC_RPORT_ROLE_FCP_INITIATOR
;
3952 if (rport_ids
.roles
!= FC_RPORT_ROLE_UNKNOWN
)
3953 fc_remote_port_rolechg(rport
, rport_ids
.roles
);
3955 lpfc_printf_vlog(ndlp
->vport
, KERN_INFO
, LOG_NODE
,
3956 "3183 rport register x%06x, rport %p role x%x\n",
3957 ndlp
->nlp_DID
, rport
, rport_ids
.roles
);
3959 if ((rport
->scsi_target_id
!= -1) &&
3960 (rport
->scsi_target_id
< LPFC_MAX_TARGET
)) {
3961 ndlp
->nlp_sid
= rport
->scsi_target_id
;
3967 lpfc_unregister_remote_port(struct lpfc_nodelist
*ndlp
)
3969 struct fc_rport
*rport
= ndlp
->rport
;
3971 lpfc_debugfs_disc_trc(ndlp
->vport
, LPFC_DISC_TRC_RPORT
,
3972 "rport delete: did:x%x flg:x%x type x%x",
3973 ndlp
->nlp_DID
, ndlp
->nlp_flag
, ndlp
->nlp_type
);
3975 lpfc_printf_vlog(ndlp
->vport
, KERN_INFO
, LOG_NODE
,
3976 "3184 rport unregister x%06x, rport %p\n",
3977 ndlp
->nlp_DID
, rport
);
3979 fc_remote_port_delete(rport
);
3985 lpfc_nlp_counters(struct lpfc_vport
*vport
, int state
, int count
)
3987 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3989 spin_lock_irq(shost
->host_lock
);
3991 case NLP_STE_UNUSED_NODE
:
3992 vport
->fc_unused_cnt
+= count
;
3994 case NLP_STE_PLOGI_ISSUE
:
3995 vport
->fc_plogi_cnt
+= count
;
3997 case NLP_STE_ADISC_ISSUE
:
3998 vport
->fc_adisc_cnt
+= count
;
4000 case NLP_STE_REG_LOGIN_ISSUE
:
4001 vport
->fc_reglogin_cnt
+= count
;
4003 case NLP_STE_PRLI_ISSUE
:
4004 vport
->fc_prli_cnt
+= count
;
4006 case NLP_STE_UNMAPPED_NODE
:
4007 vport
->fc_unmap_cnt
+= count
;
4009 case NLP_STE_MAPPED_NODE
:
4010 vport
->fc_map_cnt
+= count
;
4012 case NLP_STE_NPR_NODE
:
4013 if (vport
->fc_npr_cnt
== 0 && count
== -1)
4014 vport
->fc_npr_cnt
= 0;
4016 vport
->fc_npr_cnt
+= count
;
4019 spin_unlock_irq(shost
->host_lock
);
4023 lpfc_nlp_state_cleanup(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
4024 int old_state
, int new_state
)
4026 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4028 if (new_state
== NLP_STE_UNMAPPED_NODE
) {
4029 ndlp
->nlp_flag
&= ~NLP_NODEV_REMOVE
;
4030 ndlp
->nlp_type
|= NLP_FC_NODE
;
4032 if (new_state
== NLP_STE_MAPPED_NODE
)
4033 ndlp
->nlp_flag
&= ~NLP_NODEV_REMOVE
;
4034 if (new_state
== NLP_STE_NPR_NODE
)
4035 ndlp
->nlp_flag
&= ~NLP_RCV_PLOGI
;
4037 /* Transport interface */
4038 if (ndlp
->rport
&& (old_state
== NLP_STE_MAPPED_NODE
||
4039 old_state
== NLP_STE_UNMAPPED_NODE
)) {
4040 vport
->phba
->nport_event_cnt
++;
4041 lpfc_unregister_remote_port(ndlp
);
4044 if (new_state
== NLP_STE_MAPPED_NODE
||
4045 new_state
== NLP_STE_UNMAPPED_NODE
) {
4046 vport
->phba
->nport_event_cnt
++;
4048 * Tell the fc transport about the port, if we haven't
4049 * already. If we have, and it's a scsi entity, be
4050 * sure to unblock any attached scsi devices
4052 lpfc_register_remote_port(vport
, ndlp
);
4054 if ((new_state
== NLP_STE_MAPPED_NODE
) &&
4055 (vport
->stat_data_enabled
)) {
4057 * A new target is discovered, if there is no buffer for
4058 * statistical data collection allocate buffer.
4060 ndlp
->lat_data
= kcalloc(LPFC_MAX_BUCKET_COUNT
,
4061 sizeof(struct lpfc_scsicmd_bkt
),
4064 if (!ndlp
->lat_data
)
4065 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_NODE
,
4066 "0286 lpfc_nlp_state_cleanup failed to "
4067 "allocate statistical data buffer DID "
4068 "0x%x\n", ndlp
->nlp_DID
);
4071 * if we added to Mapped list, but the remote port
4072 * registration failed or assigned a target id outside
4073 * our presentable range - move the node to the
4076 if (new_state
== NLP_STE_MAPPED_NODE
&&
4078 ndlp
->rport
->scsi_target_id
== -1 ||
4079 ndlp
->rport
->scsi_target_id
>= LPFC_MAX_TARGET
)) {
4080 spin_lock_irq(shost
->host_lock
);
4081 ndlp
->nlp_flag
|= NLP_TGT_NO_SCSIID
;
4082 spin_unlock_irq(shost
->host_lock
);
4083 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNMAPPED_NODE
);
4088 lpfc_nlp_state_name(char *buffer
, size_t size
, int state
)
4090 static char *states
[] = {
4091 [NLP_STE_UNUSED_NODE
] = "UNUSED",
4092 [NLP_STE_PLOGI_ISSUE
] = "PLOGI",
4093 [NLP_STE_ADISC_ISSUE
] = "ADISC",
4094 [NLP_STE_REG_LOGIN_ISSUE
] = "REGLOGIN",
4095 [NLP_STE_PRLI_ISSUE
] = "PRLI",
4096 [NLP_STE_LOGO_ISSUE
] = "LOGO",
4097 [NLP_STE_UNMAPPED_NODE
] = "UNMAPPED",
4098 [NLP_STE_MAPPED_NODE
] = "MAPPED",
4099 [NLP_STE_NPR_NODE
] = "NPR",
4102 if (state
< NLP_STE_MAX_STATE
&& states
[state
])
4103 strlcpy(buffer
, states
[state
], size
);
4105 snprintf(buffer
, size
, "unknown (%d)", state
);
4110 lpfc_nlp_set_state(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
4113 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4114 int old_state
= ndlp
->nlp_state
;
4115 char name1
[16], name2
[16];
4117 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
4118 "0904 NPort state transition x%06x, %s -> %s\n",
4120 lpfc_nlp_state_name(name1
, sizeof(name1
), old_state
),
4121 lpfc_nlp_state_name(name2
, sizeof(name2
), state
));
4123 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_NODE
,
4124 "node statechg did:x%x old:%d ste:%d",
4125 ndlp
->nlp_DID
, old_state
, state
);
4127 if (old_state
== NLP_STE_NPR_NODE
&&
4128 state
!= NLP_STE_NPR_NODE
)
4129 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
4130 if (old_state
== NLP_STE_UNMAPPED_NODE
) {
4131 ndlp
->nlp_flag
&= ~NLP_TGT_NO_SCSIID
;
4132 ndlp
->nlp_type
&= ~NLP_FC_NODE
;
4135 if (list_empty(&ndlp
->nlp_listp
)) {
4136 spin_lock_irq(shost
->host_lock
);
4137 list_add_tail(&ndlp
->nlp_listp
, &vport
->fc_nodes
);
4138 spin_unlock_irq(shost
->host_lock
);
4139 } else if (old_state
)
4140 lpfc_nlp_counters(vport
, old_state
, -1);
4142 ndlp
->nlp_state
= state
;
4143 lpfc_nlp_counters(vport
, state
, 1);
4144 lpfc_nlp_state_cleanup(vport
, ndlp
, old_state
, state
);
4148 lpfc_enqueue_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
4150 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4152 if (list_empty(&ndlp
->nlp_listp
)) {
4153 spin_lock_irq(shost
->host_lock
);
4154 list_add_tail(&ndlp
->nlp_listp
, &vport
->fc_nodes
);
4155 spin_unlock_irq(shost
->host_lock
);
4160 lpfc_dequeue_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
4162 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4164 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
4165 if (ndlp
->nlp_state
&& !list_empty(&ndlp
->nlp_listp
))
4166 lpfc_nlp_counters(vport
, ndlp
->nlp_state
, -1);
4167 spin_lock_irq(shost
->host_lock
);
4168 list_del_init(&ndlp
->nlp_listp
);
4169 spin_unlock_irq(shost
->host_lock
);
4170 lpfc_nlp_state_cleanup(vport
, ndlp
, ndlp
->nlp_state
,
4171 NLP_STE_UNUSED_NODE
);
4175 lpfc_disable_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
4177 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
4178 if (ndlp
->nlp_state
&& !list_empty(&ndlp
->nlp_listp
))
4179 lpfc_nlp_counters(vport
, ndlp
->nlp_state
, -1);
4180 lpfc_nlp_state_cleanup(vport
, ndlp
, ndlp
->nlp_state
,
4181 NLP_STE_UNUSED_NODE
);
4184 * lpfc_initialize_node - Initialize all fields of node object
4185 * @vport: Pointer to Virtual Port object.
4186 * @ndlp: Pointer to FC node object.
4187 * @did: FC_ID of the node.
4189 * This function is always called when node object need to be initialized.
4190 * It initializes all the fields of the node object. Although the reference
4191 * to phba from @ndlp can be obtained indirectly through it's reference to
4192 * @vport, a direct reference to phba is taken here by @ndlp. This is due
4193 * to the life-span of the @ndlp might go beyond the existence of @vport as
4194 * the final release of ndlp is determined by its reference count. And, the
4195 * operation on @ndlp needs the reference to phba.
4198 lpfc_initialize_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
4201 INIT_LIST_HEAD(&ndlp
->els_retry_evt
.evt_listp
);
4202 INIT_LIST_HEAD(&ndlp
->dev_loss_evt
.evt_listp
);
4203 init_timer(&ndlp
->nlp_delayfunc
);
4204 ndlp
->nlp_delayfunc
.function
= lpfc_els_retry_delay
;
4205 ndlp
->nlp_delayfunc
.data
= (unsigned long)ndlp
;
4206 ndlp
->nlp_DID
= did
;
4207 ndlp
->vport
= vport
;
4208 ndlp
->phba
= vport
->phba
;
4209 ndlp
->nlp_sid
= NLP_NO_SID
;
4210 kref_init(&ndlp
->kref
);
4211 NLP_INT_NODE_ACT(ndlp
);
4212 atomic_set(&ndlp
->cmd_pending
, 0);
4213 ndlp
->cmd_qdepth
= vport
->cfg_tgt_queue_depth
;
4216 struct lpfc_nodelist
*
4217 lpfc_enable_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
4220 struct lpfc_hba
*phba
= vport
->phba
;
4222 unsigned long flags
;
4223 unsigned long *active_rrqs_xri_bitmap
= NULL
;
4228 spin_lock_irqsave(&phba
->ndlp_lock
, flags
);
4229 /* The ndlp should not be in memory free mode */
4230 if (NLP_CHK_FREE_REQ(ndlp
)) {
4231 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
4232 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_NODE
,
4233 "0277 lpfc_enable_node: ndlp:x%p "
4234 "usgmap:x%x refcnt:%d\n",
4235 (void *)ndlp
, ndlp
->nlp_usg_map
,
4236 atomic_read(&ndlp
->kref
.refcount
));
4239 /* The ndlp should not already be in active mode */
4240 if (NLP_CHK_NODE_ACT(ndlp
)) {
4241 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
4242 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_NODE
,
4243 "0278 lpfc_enable_node: ndlp:x%p "
4244 "usgmap:x%x refcnt:%d\n",
4245 (void *)ndlp
, ndlp
->nlp_usg_map
,
4246 atomic_read(&ndlp
->kref
.refcount
));
4250 /* Keep the original DID */
4251 did
= ndlp
->nlp_DID
;
4252 if (phba
->sli_rev
== LPFC_SLI_REV4
)
4253 active_rrqs_xri_bitmap
= ndlp
->active_rrqs_xri_bitmap
;
4255 /* re-initialize ndlp except of ndlp linked list pointer */
4256 memset((((char *)ndlp
) + sizeof (struct list_head
)), 0,
4257 sizeof (struct lpfc_nodelist
) - sizeof (struct list_head
));
4258 lpfc_initialize_node(vport
, ndlp
, did
);
4260 if (phba
->sli_rev
== LPFC_SLI_REV4
)
4261 ndlp
->active_rrqs_xri_bitmap
= active_rrqs_xri_bitmap
;
4263 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
4264 if (vport
->phba
->sli_rev
== LPFC_SLI_REV4
) {
4265 ndlp
->nlp_rpi
= lpfc_sli4_alloc_rpi(vport
->phba
);
4266 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
4267 "0008 rpi:%x DID:%x flg:%x refcnt:%d "
4268 "map:%x %p\n", ndlp
->nlp_rpi
, ndlp
->nlp_DID
,
4270 atomic_read(&ndlp
->kref
.refcount
),
4271 ndlp
->nlp_usg_map
, ndlp
);
4275 if (state
!= NLP_STE_UNUSED_NODE
)
4276 lpfc_nlp_set_state(vport
, ndlp
, state
);
4278 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_NODE
,
4279 "node enable: did:x%x",
4280 ndlp
->nlp_DID
, 0, 0);
4285 lpfc_drop_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
4288 * Use of lpfc_drop_node and UNUSED list: lpfc_drop_node should
4289 * be used if we wish to issue the "last" lpfc_nlp_put() to remove
4290 * the ndlp from the vport. The ndlp marked as UNUSED on the list
4291 * until ALL other outstanding threads have completed. We check
4292 * that the ndlp not already in the UNUSED state before we proceed.
4294 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
4296 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
4297 if (vport
->phba
->sli_rev
== LPFC_SLI_REV4
) {
4298 lpfc_cleanup_vports_rrqs(vport
, ndlp
);
4299 lpfc_unreg_rpi(vport
, ndlp
);
4307 * Start / ReStart rescue timer for Discovery / RSCN handling
4310 lpfc_set_disctmo(struct lpfc_vport
*vport
)
4312 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4313 struct lpfc_hba
*phba
= vport
->phba
;
4316 if (vport
->port_state
== LPFC_LOCAL_CFG_LINK
) {
4317 /* For FAN, timeout should be greater than edtov */
4318 tmo
= (((phba
->fc_edtov
+ 999) / 1000) + 1);
4320 /* Normal discovery timeout should be > than ELS/CT timeout
4321 * FC spec states we need 3 * ratov for CT requests
4323 tmo
= ((phba
->fc_ratov
* 3) + 3);
4327 if (!timer_pending(&vport
->fc_disctmo
)) {
4328 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_ELS_CMD
,
4329 "set disc timer: tmo:x%x state:x%x flg:x%x",
4330 tmo
, vport
->port_state
, vport
->fc_flag
);
4333 mod_timer(&vport
->fc_disctmo
, jiffies
+ msecs_to_jiffies(1000 * tmo
));
4334 spin_lock_irq(shost
->host_lock
);
4335 vport
->fc_flag
|= FC_DISC_TMO
;
4336 spin_unlock_irq(shost
->host_lock
);
4338 /* Start Discovery Timer state <hba_state> */
4339 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_DISCOVERY
,
4340 "0247 Start Discovery Timer state x%x "
4341 "Data: x%x x%lx x%x x%x\n",
4342 vport
->port_state
, tmo
,
4343 (unsigned long)&vport
->fc_disctmo
, vport
->fc_plogi_cnt
,
4344 vport
->fc_adisc_cnt
);
4350 * Cancel rescue timer for Discovery / RSCN handling
4353 lpfc_can_disctmo(struct lpfc_vport
*vport
)
4355 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4356 unsigned long iflags
;
4358 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_ELS_CMD
,
4359 "can disc timer: state:x%x rtry:x%x flg:x%x",
4360 vport
->port_state
, vport
->fc_ns_retry
, vport
->fc_flag
);
4362 /* Turn off discovery timer if its running */
4363 if (vport
->fc_flag
& FC_DISC_TMO
) {
4364 spin_lock_irqsave(shost
->host_lock
, iflags
);
4365 vport
->fc_flag
&= ~FC_DISC_TMO
;
4366 spin_unlock_irqrestore(shost
->host_lock
, iflags
);
4367 del_timer_sync(&vport
->fc_disctmo
);
4368 spin_lock_irqsave(&vport
->work_port_lock
, iflags
);
4369 vport
->work_port_events
&= ~WORKER_DISC_TMO
;
4370 spin_unlock_irqrestore(&vport
->work_port_lock
, iflags
);
4373 /* Cancel Discovery Timer state <hba_state> */
4374 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_DISCOVERY
,
4375 "0248 Cancel Discovery Timer state x%x "
4376 "Data: x%x x%x x%x\n",
4377 vport
->port_state
, vport
->fc_flag
,
4378 vport
->fc_plogi_cnt
, vport
->fc_adisc_cnt
);
4383 * Check specified ring for outstanding IOCB on the SLI queue
4384 * Return true if iocb matches the specified nport
4387 lpfc_check_sli_ndlp(struct lpfc_hba
*phba
,
4388 struct lpfc_sli_ring
*pring
,
4389 struct lpfc_iocbq
*iocb
,
4390 struct lpfc_nodelist
*ndlp
)
4392 struct lpfc_sli
*psli
= &phba
->sli
;
4393 IOCB_t
*icmd
= &iocb
->iocb
;
4394 struct lpfc_vport
*vport
= ndlp
->vport
;
4396 if (iocb
->vport
!= vport
)
4399 if (pring
->ringno
== LPFC_ELS_RING
) {
4400 switch (icmd
->ulpCommand
) {
4401 case CMD_GEN_REQUEST64_CR
:
4402 if (iocb
->context_un
.ndlp
== ndlp
)
4404 case CMD_ELS_REQUEST64_CR
:
4405 if (icmd
->un
.elsreq64
.remoteID
== ndlp
->nlp_DID
)
4407 case CMD_XMIT_ELS_RSP64_CX
:
4408 if (iocb
->context1
== (uint8_t *) ndlp
)
4411 } else if (pring
->ringno
== psli
->extra_ring
) {
4413 } else if (pring
->ringno
== psli
->fcp_ring
) {
4414 /* Skip match check if waiting to relogin to FCP target */
4415 if ((ndlp
->nlp_type
& NLP_FCP_TARGET
) &&
4416 (ndlp
->nlp_flag
& NLP_DELAY_TMO
)) {
4419 if (icmd
->ulpContext
== (volatile ushort
)ndlp
->nlp_rpi
) {
4422 } else if (pring
->ringno
== psli
->next_ring
) {
4429 * Free resources / clean up outstanding I/Os
4430 * associated with nlp_rpi in the LPFC_NODELIST entry.
4433 lpfc_no_rpi(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
)
4435 LIST_HEAD(completions
);
4436 struct lpfc_sli
*psli
;
4437 struct lpfc_sli_ring
*pring
;
4438 struct lpfc_iocbq
*iocb
, *next_iocb
;
4441 lpfc_fabric_abort_nport(ndlp
);
4444 * Everything that matches on txcmplq will be returned
4445 * by firmware with a no rpi error.
4448 if (ndlp
->nlp_flag
& NLP_RPI_REGISTERED
) {
4449 /* Now process each ring */
4450 for (i
= 0; i
< psli
->num_rings
; i
++) {
4451 pring
= &psli
->ring
[i
];
4453 spin_lock_irq(&phba
->hbalock
);
4454 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txq
,
4457 * Check to see if iocb matches the nport we are
4460 if ((lpfc_check_sli_ndlp(phba
, pring
, iocb
,
4462 /* It matches, so deque and call compl
4464 list_move_tail(&iocb
->list
,
4468 spin_unlock_irq(&phba
->hbalock
);
4472 /* Cancel all the IOCBs from the completions list */
4473 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
4480 * lpfc_nlp_logo_unreg - Unreg mailbox completion handler before LOGO
4481 * @phba: Pointer to HBA context object.
4482 * @pmb: Pointer to mailbox object.
4484 * This function will issue an ELS LOGO command after completing
4488 lpfc_nlp_logo_unreg(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
4490 struct lpfc_vport
*vport
= pmb
->vport
;
4491 struct lpfc_nodelist
*ndlp
;
4493 ndlp
= (struct lpfc_nodelist
*)(pmb
->context1
);
4496 lpfc_issue_els_logo(vport
, ndlp
, 0);
4497 mempool_free(pmb
, phba
->mbox_mem_pool
);
4501 * Free rpi associated with LPFC_NODELIST entry.
4502 * This routine is called from lpfc_freenode(), when we are removing
4503 * a LPFC_NODELIST entry. It is also called if the driver initiates a
4504 * LOGO that completes successfully, and we are waiting to PLOGI back
4505 * to the remote NPort. In addition, it is called after we receive
4506 * and unsolicated ELS cmd, send back a rsp, the rsp completes and
4507 * we are waiting to PLOGI back to the remote NPort.
4510 lpfc_unreg_rpi(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
4512 struct lpfc_hba
*phba
= vport
->phba
;
4514 int rc
, acc_plogi
= 1;
4517 if (ndlp
->nlp_flag
& NLP_RPI_REGISTERED
||
4518 ndlp
->nlp_flag
& NLP_REG_LOGIN_SEND
) {
4519 if (ndlp
->nlp_flag
& NLP_REG_LOGIN_SEND
)
4520 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_SLI
,
4521 "3366 RPI x%x needs to be "
4522 "unregistered nlp_flag x%x "
4524 ndlp
->nlp_rpi
, ndlp
->nlp_flag
,
4526 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4528 /* SLI4 ports require the physical rpi value. */
4529 rpi
= ndlp
->nlp_rpi
;
4530 if (phba
->sli_rev
== LPFC_SLI_REV4
)
4531 rpi
= phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
];
4533 lpfc_unreg_login(phba
, vport
->vpi
, rpi
, mbox
);
4534 mbox
->vport
= vport
;
4535 if (ndlp
->nlp_flag
& NLP_ISSUE_LOGO
) {
4536 mbox
->context1
= ndlp
;
4537 mbox
->mbox_cmpl
= lpfc_nlp_logo_unreg
;
4539 if (phba
->sli_rev
== LPFC_SLI_REV4
&&
4540 (!(vport
->load_flag
& FC_UNLOADING
)) &&
4541 (bf_get(lpfc_sli_intf_if_type
,
4542 &phba
->sli4_hba
.sli_intf
) ==
4543 LPFC_SLI_INTF_IF_TYPE_2
)) {
4544 mbox
->context1
= lpfc_nlp_get(ndlp
);
4546 lpfc_sli4_unreg_rpi_cmpl_clr
;
4548 * accept PLOGIs after unreg_rpi_cmpl
4553 lpfc_sli_def_mbox_cmpl
;
4556 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
4557 if (rc
== MBX_NOT_FINISHED
) {
4558 mempool_free(mbox
, phba
->mbox_mem_pool
);
4562 lpfc_no_rpi(phba
, ndlp
);
4564 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
4566 ndlp
->nlp_flag
&= ~NLP_RPI_REGISTERED
;
4567 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
4569 ndlp
->nlp_flag
&= ~NLP_LOGO_ACC
;
4572 ndlp
->nlp_flag
&= ~NLP_LOGO_ACC
;
4577 * lpfc_unreg_hba_rpis - Unregister rpis registered to the hba.
4578 * @phba: pointer to lpfc hba data structure.
4580 * This routine is invoked to unregister all the currently registered RPIs
4584 lpfc_unreg_hba_rpis(struct lpfc_hba
*phba
)
4586 struct lpfc_vport
**vports
;
4587 struct lpfc_nodelist
*ndlp
;
4588 struct Scsi_Host
*shost
;
4591 vports
= lpfc_create_vport_work_array(phba
);
4593 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
4594 "2884 Vport array allocation failed \n");
4597 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
4598 shost
= lpfc_shost_from_vport(vports
[i
]);
4599 spin_lock_irq(shost
->host_lock
);
4600 list_for_each_entry(ndlp
, &vports
[i
]->fc_nodes
, nlp_listp
) {
4601 if (ndlp
->nlp_flag
& NLP_RPI_REGISTERED
) {
4602 /* The mempool_alloc might sleep */
4603 spin_unlock_irq(shost
->host_lock
);
4604 lpfc_unreg_rpi(vports
[i
], ndlp
);
4605 spin_lock_irq(shost
->host_lock
);
4608 spin_unlock_irq(shost
->host_lock
);
4610 lpfc_destroy_vport_work_array(phba
, vports
);
4614 lpfc_unreg_all_rpis(struct lpfc_vport
*vport
)
4616 struct lpfc_hba
*phba
= vport
->phba
;
4620 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
4621 lpfc_sli4_unreg_all_rpis(vport
);
4625 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4627 lpfc_unreg_login(phba
, vport
->vpi
, LPFC_UNREG_ALL_RPIS_VPORT
,
4629 mbox
->vport
= vport
;
4630 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
4631 mbox
->context1
= NULL
;
4632 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, LPFC_MBOX_TMO
);
4633 if (rc
!= MBX_TIMEOUT
)
4634 mempool_free(mbox
, phba
->mbox_mem_pool
);
4636 if ((rc
== MBX_TIMEOUT
) || (rc
== MBX_NOT_FINISHED
))
4637 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
| LOG_VPORT
,
4638 "1836 Could not issue "
4639 "unreg_login(all_rpis) status %d\n", rc
);
4644 lpfc_unreg_default_rpis(struct lpfc_vport
*vport
)
4646 struct lpfc_hba
*phba
= vport
->phba
;
4650 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4652 lpfc_unreg_did(phba
, vport
->vpi
, LPFC_UNREG_ALL_DFLT_RPIS
,
4654 mbox
->vport
= vport
;
4655 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
4656 mbox
->context1
= NULL
;
4657 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, LPFC_MBOX_TMO
);
4658 if (rc
!= MBX_TIMEOUT
)
4659 mempool_free(mbox
, phba
->mbox_mem_pool
);
4661 if ((rc
== MBX_TIMEOUT
) || (rc
== MBX_NOT_FINISHED
))
4662 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
| LOG_VPORT
,
4663 "1815 Could not issue "
4664 "unreg_did (default rpis) status %d\n",
4670 * Free resources associated with LPFC_NODELIST entry
4671 * so it can be freed.
4674 lpfc_cleanup_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
4676 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4677 struct lpfc_hba
*phba
= vport
->phba
;
4678 LPFC_MBOXQ_t
*mb
, *nextmb
;
4679 struct lpfc_dmabuf
*mp
;
4681 /* Cleanup node for NPort <nlp_DID> */
4682 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
4683 "0900 Cleanup node for NPort x%x "
4684 "Data: x%x x%x x%x\n",
4685 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
4686 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
4687 if (NLP_CHK_FREE_REQ(ndlp
)) {
4688 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_NODE
,
4689 "0280 lpfc_cleanup_node: ndlp:x%p "
4690 "usgmap:x%x refcnt:%d\n",
4691 (void *)ndlp
, ndlp
->nlp_usg_map
,
4692 atomic_read(&ndlp
->kref
.refcount
));
4693 lpfc_dequeue_node(vport
, ndlp
);
4695 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_NODE
,
4696 "0281 lpfc_cleanup_node: ndlp:x%p "
4697 "usgmap:x%x refcnt:%d\n",
4698 (void *)ndlp
, ndlp
->nlp_usg_map
,
4699 atomic_read(&ndlp
->kref
.refcount
));
4700 lpfc_disable_node(vport
, ndlp
);
4704 /* Don't need to clean up REG_LOGIN64 cmds for Default RPI cleanup */
4706 /* cleanup any ndlp on mbox q waiting for reglogin cmpl */
4707 if ((mb
= phba
->sli
.mbox_active
)) {
4708 if ((mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) &&
4709 !(mb
->mbox_flag
& LPFC_MBX_IMED_UNREG
) &&
4710 (ndlp
== (struct lpfc_nodelist
*) mb
->context2
)) {
4711 mb
->context2
= NULL
;
4712 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
4716 spin_lock_irq(&phba
->hbalock
);
4717 /* Cleanup REG_LOGIN completions which are not yet processed */
4718 list_for_each_entry(mb
, &phba
->sli
.mboxq_cmpl
, list
) {
4719 if ((mb
->u
.mb
.mbxCommand
!= MBX_REG_LOGIN64
) ||
4720 (mb
->mbox_flag
& LPFC_MBX_IMED_UNREG
) ||
4721 (ndlp
!= (struct lpfc_nodelist
*) mb
->context2
))
4724 mb
->context2
= NULL
;
4725 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
4728 list_for_each_entry_safe(mb
, nextmb
, &phba
->sli
.mboxq
, list
) {
4729 if ((mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) &&
4730 !(mb
->mbox_flag
& LPFC_MBX_IMED_UNREG
) &&
4731 (ndlp
== (struct lpfc_nodelist
*) mb
->context2
)) {
4732 mp
= (struct lpfc_dmabuf
*) (mb
->context1
);
4734 __lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
4737 list_del(&mb
->list
);
4738 mempool_free(mb
, phba
->mbox_mem_pool
);
4739 /* We shall not invoke the lpfc_nlp_put to decrement
4740 * the ndlp reference count as we are in the process
4741 * of lpfc_nlp_release.
4745 spin_unlock_irq(&phba
->hbalock
);
4747 lpfc_els_abort(phba
, ndlp
);
4749 spin_lock_irq(shost
->host_lock
);
4750 ndlp
->nlp_flag
&= ~NLP_DELAY_TMO
;
4751 spin_unlock_irq(shost
->host_lock
);
4753 ndlp
->nlp_last_elscmd
= 0;
4754 del_timer_sync(&ndlp
->nlp_delayfunc
);
4756 list_del_init(&ndlp
->els_retry_evt
.evt_listp
);
4757 list_del_init(&ndlp
->dev_loss_evt
.evt_listp
);
4758 lpfc_cleanup_vports_rrqs(vport
, ndlp
);
4759 lpfc_unreg_rpi(vport
, ndlp
);
4765 * Check to see if we can free the nlp back to the freelist.
4766 * If we are in the middle of using the nlp in the discovery state
4767 * machine, defer the free till we reach the end of the state machine.
4770 lpfc_nlp_remove(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
4772 struct lpfc_hba
*phba
= vport
->phba
;
4773 struct lpfc_rport_data
*rdata
;
4774 struct fc_rport
*rport
;
4778 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
4779 if ((ndlp
->nlp_flag
& NLP_DEFER_RM
) &&
4780 !(ndlp
->nlp_flag
& NLP_REG_LOGIN_SEND
) &&
4781 !(ndlp
->nlp_flag
& NLP_RPI_REGISTERED
) &&
4782 phba
->sli_rev
!= LPFC_SLI_REV4
) {
4783 /* For this case we need to cleanup the default rpi
4784 * allocated by the firmware.
4786 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
4787 "0005 rpi:%x DID:%x flg:%x %d map:%x %p\n",
4788 ndlp
->nlp_rpi
, ndlp
->nlp_DID
, ndlp
->nlp_flag
,
4789 atomic_read(&ndlp
->kref
.refcount
),
4790 ndlp
->nlp_usg_map
, ndlp
);
4791 if ((mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
))
4793 rc
= lpfc_reg_rpi(phba
, vport
->vpi
, ndlp
->nlp_DID
,
4794 (uint8_t *) &vport
->fc_sparam
, mbox
, ndlp
->nlp_rpi
);
4796 mempool_free(mbox
, phba
->mbox_mem_pool
);
4799 mbox
->mbox_flag
|= LPFC_MBX_IMED_UNREG
;
4800 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_dflt_rpi
;
4801 mbox
->vport
= vport
;
4802 mbox
->context2
= ndlp
;
4803 rc
=lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
4804 if (rc
== MBX_NOT_FINISHED
) {
4805 mempool_free(mbox
, phba
->mbox_mem_pool
);
4810 lpfc_cleanup_node(vport
, ndlp
);
4813 * ndlp->rport must be set to NULL before it reaches here
4814 * i.e. break rport/node link before doing lpfc_nlp_put for
4815 * registered rport and then drop the reference of rport.
4819 * extra lpfc_nlp_put dropped the reference of ndlp
4820 * for registered rport so need to cleanup rport
4822 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_NODE
,
4823 "0940 removed node x%p DID x%x "
4824 " rport not null %p\n",
4825 ndlp
, ndlp
->nlp_DID
, ndlp
->rport
);
4826 rport
= ndlp
->rport
;
4827 rdata
= rport
->dd_data
;
4828 rdata
->pnode
= NULL
;
4830 put_device(&rport
->dev
);
4835 lpfc_matchdid(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
4838 D_ID mydid
, ndlpdid
, matchdid
;
4840 if (did
== Bcast_DID
)
4843 /* First check for Direct match */
4844 if (ndlp
->nlp_DID
== did
)
4847 /* Next check for area/domain identically equals 0 match */
4848 mydid
.un
.word
= vport
->fc_myDID
;
4849 if ((mydid
.un
.b
.domain
== 0) && (mydid
.un
.b
.area
== 0)) {
4853 matchdid
.un
.word
= did
;
4854 ndlpdid
.un
.word
= ndlp
->nlp_DID
;
4855 if (matchdid
.un
.b
.id
== ndlpdid
.un
.b
.id
) {
4856 if ((mydid
.un
.b
.domain
== matchdid
.un
.b
.domain
) &&
4857 (mydid
.un
.b
.area
== matchdid
.un
.b
.area
)) {
4858 /* This code is supposed to match the ID
4859 * for a private loop device that is
4860 * connect to fl_port. But we need to
4861 * check that the port did not just go
4862 * from pt2pt to fabric or we could end
4863 * up matching ndlp->nlp_DID 000001 to
4864 * fabric DID 0x20101
4866 if ((ndlpdid
.un
.b
.domain
== 0) &&
4867 (ndlpdid
.un
.b
.area
== 0)) {
4868 if (ndlpdid
.un
.b
.id
&&
4869 vport
->phba
->fc_topology
==
4876 matchdid
.un
.word
= ndlp
->nlp_DID
;
4877 if ((mydid
.un
.b
.domain
== ndlpdid
.un
.b
.domain
) &&
4878 (mydid
.un
.b
.area
== ndlpdid
.un
.b
.area
)) {
4879 if ((matchdid
.un
.b
.domain
== 0) &&
4880 (matchdid
.un
.b
.area
== 0)) {
4881 if (matchdid
.un
.b
.id
)
4889 /* Search for a nodelist entry */
4890 static struct lpfc_nodelist
*
4891 __lpfc_findnode_did(struct lpfc_vport
*vport
, uint32_t did
)
4893 struct lpfc_nodelist
*ndlp
;
4896 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
4897 if (lpfc_matchdid(vport
, ndlp
, did
)) {
4898 data1
= (((uint32_t) ndlp
->nlp_state
<< 24) |
4899 ((uint32_t) ndlp
->nlp_xri
<< 16) |
4900 ((uint32_t) ndlp
->nlp_type
<< 8) |
4901 ((uint32_t) ndlp
->nlp_rpi
& 0xff));
4902 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
4903 "0929 FIND node DID "
4904 "Data: x%p x%x x%x x%x %p\n",
4905 ndlp
, ndlp
->nlp_DID
,
4906 ndlp
->nlp_flag
, data1
,
4907 ndlp
->active_rrqs_xri_bitmap
);
4912 /* FIND node did <did> NOT FOUND */
4913 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
4914 "0932 FIND node did x%x NOT FOUND.\n", did
);
4918 struct lpfc_nodelist
*
4919 lpfc_findnode_did(struct lpfc_vport
*vport
, uint32_t did
)
4921 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4922 struct lpfc_nodelist
*ndlp
;
4923 unsigned long iflags
;
4925 spin_lock_irqsave(shost
->host_lock
, iflags
);
4926 ndlp
= __lpfc_findnode_did(vport
, did
);
4927 spin_unlock_irqrestore(shost
->host_lock
, iflags
);
4931 struct lpfc_nodelist
*
4932 lpfc_setup_disc_node(struct lpfc_vport
*vport
, uint32_t did
)
4934 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4935 struct lpfc_nodelist
*ndlp
;
4937 ndlp
= lpfc_findnode_did(vport
, did
);
4939 if ((vport
->fc_flag
& FC_RSCN_MODE
) != 0 &&
4940 lpfc_rscn_payload_check(vport
, did
) == 0)
4942 ndlp
= (struct lpfc_nodelist
*)
4943 mempool_alloc(vport
->phba
->nlp_mem_pool
, GFP_KERNEL
);
4946 lpfc_nlp_init(vport
, ndlp
, did
);
4947 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_NPR_NODE
);
4948 spin_lock_irq(shost
->host_lock
);
4949 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
4950 spin_unlock_irq(shost
->host_lock
);
4952 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
4953 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_NPR_NODE
);
4956 spin_lock_irq(shost
->host_lock
);
4957 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
4958 spin_unlock_irq(shost
->host_lock
);
4962 if ((vport
->fc_flag
& FC_RSCN_MODE
) &&
4963 !(vport
->fc_flag
& FC_NDISC_ACTIVE
)) {
4964 if (lpfc_rscn_payload_check(vport
, did
)) {
4965 /* If we've already received a PLOGI from this NPort
4966 * we don't need to try to discover it again.
4968 if (ndlp
->nlp_flag
& NLP_RCV_PLOGI
)
4971 /* Since this node is marked for discovery,
4972 * delay timeout is not needed.
4974 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
4975 spin_lock_irq(shost
->host_lock
);
4976 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
4977 spin_unlock_irq(shost
->host_lock
);
4981 /* If we've already received a PLOGI from this NPort,
4982 * or we are already in the process of discovery on it,
4983 * we don't need to try to discover it again.
4985 if (ndlp
->nlp_state
== NLP_STE_ADISC_ISSUE
||
4986 ndlp
->nlp_state
== NLP_STE_PLOGI_ISSUE
||
4987 ndlp
->nlp_flag
& NLP_RCV_PLOGI
)
4989 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_NPR_NODE
);
4990 spin_lock_irq(shost
->host_lock
);
4991 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
4992 spin_unlock_irq(shost
->host_lock
);
4997 /* Build a list of nodes to discover based on the loopmap */
4999 lpfc_disc_list_loopmap(struct lpfc_vport
*vport
)
5001 struct lpfc_hba
*phba
= vport
->phba
;
5003 uint32_t alpa
, index
;
5005 if (!lpfc_is_link_up(phba
))
5008 if (phba
->fc_topology
!= LPFC_TOPOLOGY_LOOP
)
5011 /* Check for loop map present or not */
5012 if (phba
->alpa_map
[0]) {
5013 for (j
= 1; j
<= phba
->alpa_map
[0]; j
++) {
5014 alpa
= phba
->alpa_map
[j
];
5015 if (((vport
->fc_myDID
& 0xff) == alpa
) || (alpa
== 0))
5017 lpfc_setup_disc_node(vport
, alpa
);
5020 /* No alpamap, so try all alpa's */
5021 for (j
= 0; j
< FC_MAXLOOP
; j
++) {
5022 /* If cfg_scan_down is set, start from highest
5023 * ALPA (0xef) to lowest (0x1).
5025 if (vport
->cfg_scan_down
)
5028 index
= FC_MAXLOOP
- j
- 1;
5029 alpa
= lpfcAlpaArray
[index
];
5030 if ((vport
->fc_myDID
& 0xff) == alpa
)
5032 lpfc_setup_disc_node(vport
, alpa
);
5039 lpfc_issue_clear_la(struct lpfc_hba
*phba
, struct lpfc_vport
*vport
)
5042 struct lpfc_sli
*psli
= &phba
->sli
;
5043 struct lpfc_sli_ring
*extra_ring
= &psli
->ring
[psli
->extra_ring
];
5044 struct lpfc_sli_ring
*fcp_ring
= &psli
->ring
[psli
->fcp_ring
];
5045 struct lpfc_sli_ring
*next_ring
= &psli
->ring
[psli
->next_ring
];
5049 * if it's not a physical port or if we already send
5050 * clear_la then don't send it.
5052 if ((phba
->link_state
>= LPFC_CLEAR_LA
) ||
5053 (vport
->port_type
!= LPFC_PHYSICAL_PORT
) ||
5054 (phba
->sli_rev
== LPFC_SLI_REV4
))
5057 /* Link up discovery */
5058 if ((mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
)) != NULL
) {
5059 phba
->link_state
= LPFC_CLEAR_LA
;
5060 lpfc_clear_la(phba
, mbox
);
5061 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_clear_la
;
5062 mbox
->vport
= vport
;
5063 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
5064 if (rc
== MBX_NOT_FINISHED
) {
5065 mempool_free(mbox
, phba
->mbox_mem_pool
);
5066 lpfc_disc_flush_list(vport
);
5067 extra_ring
->flag
&= ~LPFC_STOP_IOCB_EVENT
;
5068 fcp_ring
->flag
&= ~LPFC_STOP_IOCB_EVENT
;
5069 next_ring
->flag
&= ~LPFC_STOP_IOCB_EVENT
;
5070 phba
->link_state
= LPFC_HBA_ERROR
;
5075 /* Reg_vpi to tell firmware to resume normal operations */
5077 lpfc_issue_reg_vpi(struct lpfc_hba
*phba
, struct lpfc_vport
*vport
)
5079 LPFC_MBOXQ_t
*regvpimbox
;
5081 regvpimbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5083 lpfc_reg_vpi(vport
, regvpimbox
);
5084 regvpimbox
->mbox_cmpl
= lpfc_mbx_cmpl_reg_vpi
;
5085 regvpimbox
->vport
= vport
;
5086 if (lpfc_sli_issue_mbox(phba
, regvpimbox
, MBX_NOWAIT
)
5087 == MBX_NOT_FINISHED
) {
5088 mempool_free(regvpimbox
, phba
->mbox_mem_pool
);
5093 /* Start Link up / RSCN discovery on NPR nodes */
5095 lpfc_disc_start(struct lpfc_vport
*vport
)
5097 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
5098 struct lpfc_hba
*phba
= vport
->phba
;
5100 uint32_t clear_la_pending
;
5102 if (!lpfc_is_link_up(phba
)) {
5103 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_SLI
,
5104 "3315 Link is not up %x\n",
5109 if (phba
->link_state
== LPFC_CLEAR_LA
)
5110 clear_la_pending
= 1;
5112 clear_la_pending
= 0;
5114 if (vport
->port_state
< LPFC_VPORT_READY
)
5115 vport
->port_state
= LPFC_DISC_AUTH
;
5117 lpfc_set_disctmo(vport
);
5119 vport
->fc_prevDID
= vport
->fc_myDID
;
5120 vport
->num_disc_nodes
= 0;
5122 /* Start Discovery state <hba_state> */
5123 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_DISCOVERY
,
5124 "0202 Start Discovery hba state x%x "
5125 "Data: x%x x%x x%x\n",
5126 vport
->port_state
, vport
->fc_flag
, vport
->fc_plogi_cnt
,
5127 vport
->fc_adisc_cnt
);
5129 /* First do ADISCs - if any */
5130 num_sent
= lpfc_els_disc_adisc(vport
);
5135 /* Register the VPI for SLI3, NPIV only. */
5136 if ((phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
) &&
5137 !(vport
->fc_flag
& FC_PT2PT
) &&
5138 !(vport
->fc_flag
& FC_RSCN_MODE
) &&
5139 (phba
->sli_rev
< LPFC_SLI_REV4
)) {
5140 lpfc_issue_clear_la(phba
, vport
);
5141 lpfc_issue_reg_vpi(phba
, vport
);
5146 * For SLI2, we need to set port_state to READY and continue
5149 if (vport
->port_state
< LPFC_VPORT_READY
&& !clear_la_pending
) {
5150 /* If we get here, there is nothing to ADISC */
5151 lpfc_issue_clear_la(phba
, vport
);
5153 if (!(vport
->fc_flag
& FC_ABORT_DISCOVERY
)) {
5154 vport
->num_disc_nodes
= 0;
5155 /* go thru NPR nodes and issue ELS PLOGIs */
5156 if (vport
->fc_npr_cnt
)
5157 lpfc_els_disc_plogi(vport
);
5159 if (!vport
->num_disc_nodes
) {
5160 spin_lock_irq(shost
->host_lock
);
5161 vport
->fc_flag
&= ~FC_NDISC_ACTIVE
;
5162 spin_unlock_irq(shost
->host_lock
);
5163 lpfc_can_disctmo(vport
);
5166 vport
->port_state
= LPFC_VPORT_READY
;
5168 /* Next do PLOGIs - if any */
5169 num_sent
= lpfc_els_disc_plogi(vport
);
5174 if (vport
->fc_flag
& FC_RSCN_MODE
) {
5175 /* Check to see if more RSCNs came in while we
5176 * were processing this one.
5178 if ((vport
->fc_rscn_id_cnt
== 0) &&
5179 (!(vport
->fc_flag
& FC_RSCN_DISCOVERY
))) {
5180 spin_lock_irq(shost
->host_lock
);
5181 vport
->fc_flag
&= ~FC_RSCN_MODE
;
5182 spin_unlock_irq(shost
->host_lock
);
5183 lpfc_can_disctmo(vport
);
5185 lpfc_els_handle_rscn(vport
);
5192 * Ignore completion for all IOCBs on tx and txcmpl queue for ELS
5193 * ring the match the sppecified nodelist.
5196 lpfc_free_tx(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
)
5198 LIST_HEAD(completions
);
5199 struct lpfc_sli
*psli
;
5201 struct lpfc_iocbq
*iocb
, *next_iocb
;
5202 struct lpfc_sli_ring
*pring
;
5205 pring
= &psli
->ring
[LPFC_ELS_RING
];
5207 /* Error matching iocb on txq or txcmplq
5208 * First check the txq.
5210 spin_lock_irq(&phba
->hbalock
);
5211 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txq
, list
) {
5212 if (iocb
->context1
!= ndlp
) {
5216 if ((icmd
->ulpCommand
== CMD_ELS_REQUEST64_CR
) ||
5217 (icmd
->ulpCommand
== CMD_XMIT_ELS_RSP64_CX
)) {
5219 list_move_tail(&iocb
->list
, &completions
);
5223 /* Next check the txcmplq */
5224 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
, list
) {
5225 if (iocb
->context1
!= ndlp
) {
5229 if (icmd
->ulpCommand
== CMD_ELS_REQUEST64_CR
||
5230 icmd
->ulpCommand
== CMD_XMIT_ELS_RSP64_CX
) {
5231 lpfc_sli_issue_abort_iotag(phba
, pring
, iocb
);
5234 spin_unlock_irq(&phba
->hbalock
);
5236 /* Cancel all the IOCBs from the completions list */
5237 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
5242 lpfc_disc_flush_list(struct lpfc_vport
*vport
)
5244 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
5245 struct lpfc_hba
*phba
= vport
->phba
;
5247 if (vport
->fc_plogi_cnt
|| vport
->fc_adisc_cnt
) {
5248 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
,
5250 if (!NLP_CHK_NODE_ACT(ndlp
))
5252 if (ndlp
->nlp_state
== NLP_STE_PLOGI_ISSUE
||
5253 ndlp
->nlp_state
== NLP_STE_ADISC_ISSUE
) {
5254 lpfc_free_tx(phba
, ndlp
);
5261 lpfc_cleanup_discovery_resources(struct lpfc_vport
*vport
)
5263 lpfc_els_flush_rscn(vport
);
5264 lpfc_els_flush_cmd(vport
);
5265 lpfc_disc_flush_list(vport
);
5268 /*****************************************************************************/
5270 * NAME: lpfc_disc_timeout
5272 * FUNCTION: Fibre Channel driver discovery timeout routine.
5274 * EXECUTION ENVIRONMENT: interrupt only
5282 /*****************************************************************************/
5284 lpfc_disc_timeout(unsigned long ptr
)
5286 struct lpfc_vport
*vport
= (struct lpfc_vport
*) ptr
;
5287 struct lpfc_hba
*phba
= vport
->phba
;
5288 uint32_t tmo_posted
;
5289 unsigned long flags
= 0;
5291 if (unlikely(!phba
))
5294 spin_lock_irqsave(&vport
->work_port_lock
, flags
);
5295 tmo_posted
= vport
->work_port_events
& WORKER_DISC_TMO
;
5297 vport
->work_port_events
|= WORKER_DISC_TMO
;
5298 spin_unlock_irqrestore(&vport
->work_port_lock
, flags
);
5301 lpfc_worker_wake_up(phba
);
5306 lpfc_disc_timeout_handler(struct lpfc_vport
*vport
)
5308 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
5309 struct lpfc_hba
*phba
= vport
->phba
;
5310 struct lpfc_sli
*psli
= &phba
->sli
;
5311 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
5312 LPFC_MBOXQ_t
*initlinkmbox
;
5313 int rc
, clrlaerr
= 0;
5315 if (!(vport
->fc_flag
& FC_DISC_TMO
))
5318 spin_lock_irq(shost
->host_lock
);
5319 vport
->fc_flag
&= ~FC_DISC_TMO
;
5320 spin_unlock_irq(shost
->host_lock
);
5322 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_ELS_CMD
,
5323 "disc timeout: state:x%x rtry:x%x flg:x%x",
5324 vport
->port_state
, vport
->fc_ns_retry
, vport
->fc_flag
);
5326 switch (vport
->port_state
) {
5328 case LPFC_LOCAL_CFG_LINK
:
5329 /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for
5333 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_DISCOVERY
,
5334 "0221 FAN timeout\n");
5335 /* Start discovery by sending FLOGI, clean up old rpis */
5336 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
,
5338 if (!NLP_CHK_NODE_ACT(ndlp
))
5340 if (ndlp
->nlp_state
!= NLP_STE_NPR_NODE
)
5342 if (ndlp
->nlp_type
& NLP_FABRIC
) {
5343 /* Clean up the ndlp on Fabric connections */
5344 lpfc_drop_node(vport
, ndlp
);
5346 } else if (!(ndlp
->nlp_flag
& NLP_NPR_ADISC
)) {
5347 /* Fail outstanding IO now since device
5348 * is marked for PLOGI.
5350 lpfc_unreg_rpi(vport
, ndlp
);
5353 if (vport
->port_state
!= LPFC_FLOGI
) {
5354 if (phba
->sli_rev
<= LPFC_SLI_REV3
)
5355 lpfc_initial_flogi(vport
);
5357 lpfc_issue_init_vfi(vport
);
5364 /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */
5365 /* Initial FLOGI timeout */
5366 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
5367 "0222 Initial %s timeout\n",
5368 vport
->vpi
? "FDISC" : "FLOGI");
5370 /* Assume no Fabric and go on with discovery.
5371 * Check for outstanding ELS FLOGI to abort.
5374 /* FLOGI failed, so just use loop map to make discovery list */
5375 lpfc_disc_list_loopmap(vport
);
5377 /* Start discovery */
5378 lpfc_disc_start(vport
);
5381 case LPFC_FABRIC_CFG_LINK
:
5382 /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for
5384 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
5385 "0223 Timeout while waiting for "
5386 "NameServer login\n");
5387 /* Next look for NameServer ndlp */
5388 ndlp
= lpfc_findnode_did(vport
, NameServer_DID
);
5389 if (ndlp
&& NLP_CHK_NODE_ACT(ndlp
))
5390 lpfc_els_abort(phba
, ndlp
);
5392 /* ReStart discovery */
5396 /* Check for wait for NameServer Rsp timeout */
5397 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
5398 "0224 NameServer Query timeout "
5400 vport
->fc_ns_retry
, LPFC_MAX_NS_RETRY
);
5402 if (vport
->fc_ns_retry
< LPFC_MAX_NS_RETRY
) {
5403 /* Try it one more time */
5404 vport
->fc_ns_retry
++;
5405 rc
= lpfc_ns_cmd(vport
, SLI_CTNS_GID_FT
,
5406 vport
->fc_ns_retry
, 0);
5410 vport
->fc_ns_retry
= 0;
5414 * Discovery is over.
5415 * set port_state to PORT_READY if SLI2.
5416 * cmpl_reg_vpi will set port_state to READY for SLI3.
5418 if (phba
->sli_rev
< LPFC_SLI_REV4
) {
5419 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
5420 lpfc_issue_reg_vpi(phba
, vport
);
5422 lpfc_issue_clear_la(phba
, vport
);
5423 vport
->port_state
= LPFC_VPORT_READY
;
5427 /* Setup and issue mailbox INITIALIZE LINK command */
5428 initlinkmbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5429 if (!initlinkmbox
) {
5430 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
5431 "0206 Device Discovery "
5432 "completion error\n");
5433 phba
->link_state
= LPFC_HBA_ERROR
;
5437 lpfc_linkdown(phba
);
5438 lpfc_init_link(phba
, initlinkmbox
, phba
->cfg_topology
,
5439 phba
->cfg_link_speed
);
5440 initlinkmbox
->u
.mb
.un
.varInitLnk
.lipsr_AL_PA
= 0;
5441 initlinkmbox
->vport
= vport
;
5442 initlinkmbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
5443 rc
= lpfc_sli_issue_mbox(phba
, initlinkmbox
, MBX_NOWAIT
);
5444 lpfc_set_loopback_flag(phba
);
5445 if (rc
== MBX_NOT_FINISHED
)
5446 mempool_free(initlinkmbox
, phba
->mbox_mem_pool
);
5450 case LPFC_DISC_AUTH
:
5451 /* Node Authentication timeout */
5452 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
5453 "0227 Node Authentication timeout\n");
5454 lpfc_disc_flush_list(vport
);
5457 * set port_state to PORT_READY if SLI2.
5458 * cmpl_reg_vpi will set port_state to READY for SLI3.
5460 if (phba
->sli_rev
< LPFC_SLI_REV4
) {
5461 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
5462 lpfc_issue_reg_vpi(phba
, vport
);
5463 else { /* NPIV Not enabled */
5464 lpfc_issue_clear_la(phba
, vport
);
5465 vport
->port_state
= LPFC_VPORT_READY
;
5470 case LPFC_VPORT_READY
:
5471 if (vport
->fc_flag
& FC_RSCN_MODE
) {
5472 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
5473 "0231 RSCN timeout Data: x%x "
5475 vport
->fc_ns_retry
, LPFC_MAX_NS_RETRY
);
5477 /* Cleanup any outstanding ELS commands */
5478 lpfc_els_flush_cmd(vport
);
5480 lpfc_els_flush_rscn(vport
);
5481 lpfc_disc_flush_list(vport
);
5486 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
5487 "0273 Unexpected discovery timeout, "
5488 "vport State x%x\n", vport
->port_state
);
5492 switch (phba
->link_state
) {
5494 /* CLEAR LA timeout */
5495 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
5496 "0228 CLEAR LA timeout\n");
5501 lpfc_issue_clear_la(phba
, vport
);
5503 case LPFC_LINK_UNKNOWN
:
5504 case LPFC_WARM_START
:
5505 case LPFC_INIT_START
:
5506 case LPFC_INIT_MBX_CMDS
:
5507 case LPFC_LINK_DOWN
:
5508 case LPFC_HBA_ERROR
:
5509 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
5510 "0230 Unexpected timeout, hba link "
5511 "state x%x\n", phba
->link_state
);
5515 case LPFC_HBA_READY
:
5520 lpfc_disc_flush_list(vport
);
5521 psli
->ring
[(psli
->extra_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
5522 psli
->ring
[(psli
->fcp_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
5523 psli
->ring
[(psli
->next_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
5524 vport
->port_state
= LPFC_VPORT_READY
;
5531 * This routine handles processing a NameServer REG_LOGIN mailbox
5532 * command upon completion. It is setup in the LPFC_MBOXQ
5533 * as the completion routine when the command is
5534 * handed off to the SLI layer.
5537 lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
5539 MAILBOX_t
*mb
= &pmb
->u
.mb
;
5540 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
5541 struct lpfc_nodelist
*ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
5542 struct lpfc_vport
*vport
= pmb
->vport
;
5544 pmb
->context1
= NULL
;
5545 pmb
->context2
= NULL
;
5547 if (phba
->sli_rev
< LPFC_SLI_REV4
)
5548 ndlp
->nlp_rpi
= mb
->un
.varWords
[0];
5549 ndlp
->nlp_flag
|= NLP_RPI_REGISTERED
;
5550 ndlp
->nlp_type
|= NLP_FABRIC
;
5551 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNMAPPED_NODE
);
5552 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_SLI
,
5553 "0004 rpi:%x DID:%x flg:%x %d map:%x %p\n",
5554 ndlp
->nlp_rpi
, ndlp
->nlp_DID
, ndlp
->nlp_flag
,
5555 atomic_read(&ndlp
->kref
.refcount
),
5556 ndlp
->nlp_usg_map
, ndlp
);
5558 * Start issuing Fabric-Device Management Interface (FDMI) command to
5559 * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if
5560 * fdmi-on=2 (supporting RPA/hostnmae)
5563 if (vport
->cfg_fdmi_on
& LPFC_FDMI_REG_DELAY
)
5564 mod_timer(&vport
->fc_fdmitmo
,
5565 jiffies
+ msecs_to_jiffies(1000 * 60));
5567 lpfc_fdmi_cmd(vport
, ndlp
, SLI_MGMT_DHBA
);
5569 /* decrement the node reference count held for this callback
5573 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
5575 mempool_free(pmb
, phba
->mbox_mem_pool
);
5581 lpfc_filter_by_rpi(struct lpfc_nodelist
*ndlp
, void *param
)
5583 uint16_t *rpi
= param
;
5585 /* check for active node */
5586 if (!NLP_CHK_NODE_ACT(ndlp
))
5589 return ndlp
->nlp_rpi
== *rpi
;
5593 lpfc_filter_by_wwpn(struct lpfc_nodelist
*ndlp
, void *param
)
5595 return memcmp(&ndlp
->nlp_portname
, param
,
5596 sizeof(ndlp
->nlp_portname
)) == 0;
5599 static struct lpfc_nodelist
*
5600 __lpfc_find_node(struct lpfc_vport
*vport
, node_filter filter
, void *param
)
5602 struct lpfc_nodelist
*ndlp
;
5604 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
5605 if (filter(ndlp
, param
)) {
5606 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
5607 "3185 FIND node filter %p DID "
5608 "Data: x%p x%x x%x\n",
5609 filter
, ndlp
, ndlp
->nlp_DID
,
5614 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
5615 "3186 FIND node filter %p NOT FOUND.\n", filter
);
5620 * This routine looks up the ndlp lists for the given RPI. If rpi found it
5621 * returns the node list element pointer else return NULL.
5623 struct lpfc_nodelist
*
5624 __lpfc_findnode_rpi(struct lpfc_vport
*vport
, uint16_t rpi
)
5626 return __lpfc_find_node(vport
, lpfc_filter_by_rpi
, &rpi
);
5630 * This routine looks up the ndlp lists for the given WWPN. If WWPN found it
5631 * returns the node element list pointer else return NULL.
5633 struct lpfc_nodelist
*
5634 lpfc_findnode_wwpn(struct lpfc_vport
*vport
, struct lpfc_name
*wwpn
)
5636 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
5637 struct lpfc_nodelist
*ndlp
;
5639 spin_lock_irq(shost
->host_lock
);
5640 ndlp
= __lpfc_find_node(vport
, lpfc_filter_by_wwpn
, wwpn
);
5641 spin_unlock_irq(shost
->host_lock
);
5646 * This routine looks up the ndlp lists for the given RPI. If the rpi
5647 * is found, the routine returns the node element list pointer else
5650 struct lpfc_nodelist
*
5651 lpfc_findnode_rpi(struct lpfc_vport
*vport
, uint16_t rpi
)
5653 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
5654 struct lpfc_nodelist
*ndlp
;
5656 spin_lock_irq(shost
->host_lock
);
5657 ndlp
= __lpfc_findnode_rpi(vport
, rpi
);
5658 spin_unlock_irq(shost
->host_lock
);
5663 * lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier
5664 * @phba: pointer to lpfc hba data structure.
5665 * @vpi: the physical host virtual N_Port identifier.
5667 * This routine finds a vport on a HBA (referred by @phba) through a
5668 * @vpi. The function walks the HBA's vport list and returns the address
5669 * of the vport with the matching @vpi.
5672 * NULL - No vport with the matching @vpi found
5673 * Otherwise - Address to the vport with the matching @vpi.
5676 lpfc_find_vport_by_vpid(struct lpfc_hba
*phba
, uint16_t vpi
)
5678 struct lpfc_vport
*vport
;
5679 unsigned long flags
;
5682 /* The physical ports are always vpi 0 - translate is unnecessary. */
5685 * Translate the physical vpi to the logical vpi. The
5686 * vport stores the logical vpi.
5688 for (i
= 0; i
< phba
->max_vpi
; i
++) {
5689 if (vpi
== phba
->vpi_ids
[i
])
5693 if (i
>= phba
->max_vpi
) {
5694 lpfc_printf_log(phba
, KERN_ERR
, LOG_ELS
,
5695 "2936 Could not find Vport mapped "
5696 "to vpi %d\n", vpi
);
5701 spin_lock_irqsave(&phba
->hbalock
, flags
);
5702 list_for_each_entry(vport
, &phba
->port_list
, listentry
) {
5703 if (vport
->vpi
== i
) {
5704 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
5708 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
5713 lpfc_nlp_init(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
5716 memset(ndlp
, 0, sizeof (struct lpfc_nodelist
));
5718 lpfc_initialize_node(vport
, ndlp
, did
);
5719 INIT_LIST_HEAD(&ndlp
->nlp_listp
);
5720 if (vport
->phba
->sli_rev
== LPFC_SLI_REV4
) {
5721 ndlp
->nlp_rpi
= lpfc_sli4_alloc_rpi(vport
->phba
);
5722 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
5723 "0007 rpi:%x DID:%x flg:%x refcnt:%d "
5724 "map:%x %p\n", ndlp
->nlp_rpi
, ndlp
->nlp_DID
,
5726 atomic_read(&ndlp
->kref
.refcount
),
5727 ndlp
->nlp_usg_map
, ndlp
);
5729 ndlp
->active_rrqs_xri_bitmap
=
5730 mempool_alloc(vport
->phba
->active_rrq_pool
,
5732 if (ndlp
->active_rrqs_xri_bitmap
)
5733 memset(ndlp
->active_rrqs_xri_bitmap
, 0,
5734 ndlp
->phba
->cfg_rrq_xri_bitmap_sz
);
5739 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_NODE
,
5740 "node init: did:x%x",
5741 ndlp
->nlp_DID
, 0, 0);
5746 /* This routine releases all resources associated with a specifc NPort's ndlp
5747 * and mempool_free's the nodelist.
5750 lpfc_nlp_release(struct kref
*kref
)
5752 struct lpfc_hba
*phba
;
5753 unsigned long flags
;
5754 struct lpfc_nodelist
*ndlp
= container_of(kref
, struct lpfc_nodelist
,
5757 lpfc_debugfs_disc_trc(ndlp
->vport
, LPFC_DISC_TRC_NODE
,
5758 "node release: did:x%x flg:x%x type:x%x",
5759 ndlp
->nlp_DID
, ndlp
->nlp_flag
, ndlp
->nlp_type
);
5761 lpfc_printf_vlog(ndlp
->vport
, KERN_INFO
, LOG_NODE
,
5762 "0279 lpfc_nlp_release: ndlp:x%p did %x "
5763 "usgmap:x%x refcnt:%d rpi:%x\n",
5764 (void *)ndlp
, ndlp
->nlp_DID
, ndlp
->nlp_usg_map
,
5765 atomic_read(&ndlp
->kref
.refcount
), ndlp
->nlp_rpi
);
5767 /* remove ndlp from action. */
5768 lpfc_nlp_remove(ndlp
->vport
, ndlp
);
5770 /* clear the ndlp active flag for all release cases */
5772 spin_lock_irqsave(&phba
->ndlp_lock
, flags
);
5773 NLP_CLR_NODE_ACT(ndlp
);
5774 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
5775 if (phba
->sli_rev
== LPFC_SLI_REV4
)
5776 lpfc_sli4_free_rpi(phba
, ndlp
->nlp_rpi
);
5778 /* free ndlp memory for final ndlp release */
5779 if (NLP_CHK_FREE_REQ(ndlp
)) {
5780 kfree(ndlp
->lat_data
);
5781 if (phba
->sli_rev
== LPFC_SLI_REV4
)
5782 mempool_free(ndlp
->active_rrqs_xri_bitmap
,
5783 ndlp
->phba
->active_rrq_pool
);
5784 mempool_free(ndlp
, ndlp
->phba
->nlp_mem_pool
);
5788 /* This routine bumps the reference count for a ndlp structure to ensure
5789 * that one discovery thread won't free a ndlp while another discovery thread
5792 struct lpfc_nodelist
*
5793 lpfc_nlp_get(struct lpfc_nodelist
*ndlp
)
5795 struct lpfc_hba
*phba
;
5796 unsigned long flags
;
5799 lpfc_debugfs_disc_trc(ndlp
->vport
, LPFC_DISC_TRC_NODE
,
5800 "node get: did:x%x flg:x%x refcnt:x%x",
5801 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
5802 atomic_read(&ndlp
->kref
.refcount
));
5803 /* The check of ndlp usage to prevent incrementing the
5804 * ndlp reference count that is in the process of being
5808 spin_lock_irqsave(&phba
->ndlp_lock
, flags
);
5809 if (!NLP_CHK_NODE_ACT(ndlp
) || NLP_CHK_FREE_ACK(ndlp
)) {
5810 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
5811 lpfc_printf_vlog(ndlp
->vport
, KERN_WARNING
, LOG_NODE
,
5812 "0276 lpfc_nlp_get: ndlp:x%p "
5813 "usgmap:x%x refcnt:%d\n",
5814 (void *)ndlp
, ndlp
->nlp_usg_map
,
5815 atomic_read(&ndlp
->kref
.refcount
));
5818 kref_get(&ndlp
->kref
);
5819 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
5824 /* This routine decrements the reference count for a ndlp structure. If the
5825 * count goes to 0, this indicates the the associated nodelist should be
5826 * freed. Returning 1 indicates the ndlp resource has been released; on the
5827 * other hand, returning 0 indicates the ndlp resource has not been released
5831 lpfc_nlp_put(struct lpfc_nodelist
*ndlp
)
5833 struct lpfc_hba
*phba
;
5834 unsigned long flags
;
5839 lpfc_debugfs_disc_trc(ndlp
->vport
, LPFC_DISC_TRC_NODE
,
5840 "node put: did:x%x flg:x%x refcnt:x%x",
5841 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
5842 atomic_read(&ndlp
->kref
.refcount
));
5844 spin_lock_irqsave(&phba
->ndlp_lock
, flags
);
5845 /* Check the ndlp memory free acknowledge flag to avoid the
5846 * possible race condition that kref_put got invoked again
5847 * after previous one has done ndlp memory free.
5849 if (NLP_CHK_FREE_ACK(ndlp
)) {
5850 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
5851 lpfc_printf_vlog(ndlp
->vport
, KERN_WARNING
, LOG_NODE
,
5852 "0274 lpfc_nlp_put: ndlp:x%p "
5853 "usgmap:x%x refcnt:%d\n",
5854 (void *)ndlp
, ndlp
->nlp_usg_map
,
5855 atomic_read(&ndlp
->kref
.refcount
));
5858 /* Check the ndlp inactivate log flag to avoid the possible
5859 * race condition that kref_put got invoked again after ndlp
5860 * is already in inactivating state.
5862 if (NLP_CHK_IACT_REQ(ndlp
)) {
5863 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
5864 lpfc_printf_vlog(ndlp
->vport
, KERN_WARNING
, LOG_NODE
,
5865 "0275 lpfc_nlp_put: ndlp:x%p "
5866 "usgmap:x%x refcnt:%d\n",
5867 (void *)ndlp
, ndlp
->nlp_usg_map
,
5868 atomic_read(&ndlp
->kref
.refcount
));
5871 /* For last put, mark the ndlp usage flags to make sure no
5872 * other kref_get and kref_put on the same ndlp shall get
5873 * in between the process when the final kref_put has been
5874 * invoked on this ndlp.
5876 if (atomic_read(&ndlp
->kref
.refcount
) == 1) {
5877 /* Indicate ndlp is put to inactive state. */
5878 NLP_SET_IACT_REQ(ndlp
);
5879 /* Acknowledge ndlp memory free has been seen. */
5880 if (NLP_CHK_FREE_REQ(ndlp
))
5881 NLP_SET_FREE_ACK(ndlp
);
5883 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
5884 /* Note, the kref_put returns 1 when decrementing a reference
5885 * count that was 1, it invokes the release callback function,
5886 * but it still left the reference count as 1 (not actually
5887 * performs the last decrementation). Otherwise, it actually
5888 * decrements the reference count and returns 0.
5890 return kref_put(&ndlp
->kref
, lpfc_nlp_release
);
5893 /* This routine free's the specified nodelist if it is not in use
5894 * by any other discovery thread. This routine returns 1 if the
5895 * ndlp has been freed. A return value of 0 indicates the ndlp is
5896 * not yet been released.
5899 lpfc_nlp_not_used(struct lpfc_nodelist
*ndlp
)
5901 lpfc_debugfs_disc_trc(ndlp
->vport
, LPFC_DISC_TRC_NODE
,
5902 "node not used: did:x%x flg:x%x refcnt:x%x",
5903 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
5904 atomic_read(&ndlp
->kref
.refcount
));
5905 if (atomic_read(&ndlp
->kref
.refcount
) == 1)
5906 if (lpfc_nlp_put(ndlp
))
5912 * lpfc_fcf_inuse - Check if FCF can be unregistered.
5913 * @phba: Pointer to hba context object.
5915 * This function iterate through all FC nodes associated
5916 * will all vports to check if there is any node with
5917 * fc_rports associated with it. If there is an fc_rport
5918 * associated with the node, then the node is either in
5919 * discovered state or its devloss_timer is pending.
5922 lpfc_fcf_inuse(struct lpfc_hba
*phba
)
5924 struct lpfc_vport
**vports
;
5926 struct lpfc_nodelist
*ndlp
;
5927 struct Scsi_Host
*shost
;
5929 vports
= lpfc_create_vport_work_array(phba
);
5931 /* If driver cannot allocate memory, indicate fcf is in use */
5935 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
5936 shost
= lpfc_shost_from_vport(vports
[i
]);
5937 spin_lock_irq(shost
->host_lock
);
5939 * IF the CVL_RCVD bit is not set then we have sent the
5941 * If dev_loss fires while we are waiting we do not want to
5944 if (!(vports
[i
]->fc_flag
& FC_VPORT_CVL_RCVD
)) {
5945 spin_unlock_irq(shost
->host_lock
);
5949 list_for_each_entry(ndlp
, &vports
[i
]->fc_nodes
, nlp_listp
) {
5950 if (NLP_CHK_NODE_ACT(ndlp
) && ndlp
->rport
&&
5951 (ndlp
->rport
->roles
& FC_RPORT_ROLE_FCP_TARGET
)) {
5953 spin_unlock_irq(shost
->host_lock
);
5955 } else if (ndlp
->nlp_flag
& NLP_RPI_REGISTERED
) {
5957 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
5958 "2624 RPI %x DID %x flag %x "
5959 "still logged in\n",
5960 ndlp
->nlp_rpi
, ndlp
->nlp_DID
,
5964 spin_unlock_irq(shost
->host_lock
);
5967 lpfc_destroy_vport_work_array(phba
, vports
);
5972 * lpfc_unregister_vfi_cmpl - Completion handler for unreg vfi.
5973 * @phba: Pointer to hba context object.
5974 * @mboxq: Pointer to mailbox object.
5976 * This function frees memory associated with the mailbox command.
5979 lpfc_unregister_vfi_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
5981 struct lpfc_vport
*vport
= mboxq
->vport
;
5982 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
5984 if (mboxq
->u
.mb
.mbxStatus
) {
5985 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
|LOG_MBOX
,
5986 "2555 UNREG_VFI mbxStatus error x%x "
5988 mboxq
->u
.mb
.mbxStatus
, vport
->port_state
);
5990 spin_lock_irq(shost
->host_lock
);
5991 phba
->pport
->fc_flag
&= ~FC_VFI_REGISTERED
;
5992 spin_unlock_irq(shost
->host_lock
);
5993 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5998 * lpfc_unregister_fcfi_cmpl - Completion handler for unreg fcfi.
5999 * @phba: Pointer to hba context object.
6000 * @mboxq: Pointer to mailbox object.
6002 * This function frees memory associated with the mailbox command.
6005 lpfc_unregister_fcfi_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
6007 struct lpfc_vport
*vport
= mboxq
->vport
;
6009 if (mboxq
->u
.mb
.mbxStatus
) {
6010 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
|LOG_MBOX
,
6011 "2550 UNREG_FCFI mbxStatus error x%x "
6013 mboxq
->u
.mb
.mbxStatus
, vport
->port_state
);
6015 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6020 * lpfc_unregister_fcf_prep - Unregister fcf record preparation
6021 * @phba: Pointer to hba context object.
6023 * This function prepare the HBA for unregistering the currently registered
6024 * FCF from the HBA. It performs unregistering, in order, RPIs, VPIs, and
6028 lpfc_unregister_fcf_prep(struct lpfc_hba
*phba
)
6030 struct lpfc_vport
**vports
;
6031 struct lpfc_nodelist
*ndlp
;
6032 struct Scsi_Host
*shost
;
6035 /* Unregister RPIs */
6036 if (lpfc_fcf_inuse(phba
))
6037 lpfc_unreg_hba_rpis(phba
);
6039 /* At this point, all discovery is aborted */
6040 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
6042 /* Unregister VPIs */
6043 vports
= lpfc_create_vport_work_array(phba
);
6044 if (vports
&& (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
))
6045 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
6046 /* Stop FLOGI/FDISC retries */
6047 ndlp
= lpfc_findnode_did(vports
[i
], Fabric_DID
);
6049 lpfc_cancel_retry_delay_tmo(vports
[i
], ndlp
);
6050 lpfc_cleanup_pending_mbox(vports
[i
]);
6051 if (phba
->sli_rev
== LPFC_SLI_REV4
)
6052 lpfc_sli4_unreg_all_rpis(vports
[i
]);
6053 lpfc_mbx_unreg_vpi(vports
[i
]);
6054 shost
= lpfc_shost_from_vport(vports
[i
]);
6055 spin_lock_irq(shost
->host_lock
);
6056 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
6057 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
6058 spin_unlock_irq(shost
->host_lock
);
6060 lpfc_destroy_vport_work_array(phba
, vports
);
6061 if (i
== 0 && (!(phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
))) {
6062 ndlp
= lpfc_findnode_did(phba
->pport
, Fabric_DID
);
6064 lpfc_cancel_retry_delay_tmo(phba
->pport
, ndlp
);
6065 lpfc_cleanup_pending_mbox(phba
->pport
);
6066 if (phba
->sli_rev
== LPFC_SLI_REV4
)
6067 lpfc_sli4_unreg_all_rpis(phba
->pport
);
6068 lpfc_mbx_unreg_vpi(phba
->pport
);
6069 shost
= lpfc_shost_from_vport(phba
->pport
);
6070 spin_lock_irq(shost
->host_lock
);
6071 phba
->pport
->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
6072 phba
->pport
->vpi_state
&= ~LPFC_VPI_REGISTERED
;
6073 spin_unlock_irq(shost
->host_lock
);
6076 /* Cleanup any outstanding ELS commands */
6077 lpfc_els_flush_all_cmd(phba
);
6079 /* Unregister the physical port VFI */
6080 rc
= lpfc_issue_unreg_vfi(phba
->pport
);
6085 * lpfc_sli4_unregister_fcf - Unregister currently registered FCF record
6086 * @phba: Pointer to hba context object.
6088 * This function issues synchronous unregister FCF mailbox command to HBA to
6089 * unregister the currently registered FCF record. The driver does not reset
6090 * the driver FCF usage state flags.
6092 * Return 0 if successfully issued, none-zero otherwise.
6095 lpfc_sli4_unregister_fcf(struct lpfc_hba
*phba
)
6100 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6102 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
|LOG_MBOX
,
6103 "2551 UNREG_FCFI mbox allocation failed"
6104 "HBA state x%x\n", phba
->pport
->port_state
);
6107 lpfc_unreg_fcfi(mbox
, phba
->fcf
.fcfi
);
6108 mbox
->vport
= phba
->pport
;
6109 mbox
->mbox_cmpl
= lpfc_unregister_fcfi_cmpl
;
6110 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
6112 if (rc
== MBX_NOT_FINISHED
) {
6113 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6114 "2552 Unregister FCFI command failed rc x%x "
6116 rc
, phba
->pport
->port_state
);
6123 * lpfc_unregister_fcf_rescan - Unregister currently registered fcf and rescan
6124 * @phba: Pointer to hba context object.
6126 * This function unregisters the currently reigstered FCF. This function
6127 * also tries to find another FCF for discovery by rescan the HBA FCF table.
6130 lpfc_unregister_fcf_rescan(struct lpfc_hba
*phba
)
6134 /* Preparation for unregistering fcf */
6135 rc
= lpfc_unregister_fcf_prep(phba
);
6137 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
6138 "2748 Failed to prepare for unregistering "
6139 "HBA's FCF record: rc=%d\n", rc
);
6143 /* Now, unregister FCF record and reset HBA FCF state */
6144 rc
= lpfc_sli4_unregister_fcf(phba
);
6147 /* Reset HBA FCF states after successful unregister FCF */
6148 phba
->fcf
.fcf_flag
= 0;
6149 phba
->fcf
.current_rec
.flag
= 0;
6152 * If driver is not unloading, check if there is any other
6153 * FCF record that can be used for discovery.
6155 if ((phba
->pport
->load_flag
& FC_UNLOADING
) ||
6156 (phba
->link_state
< LPFC_LINK_UP
))
6159 /* This is considered as the initial FCF discovery scan */
6160 spin_lock_irq(&phba
->hbalock
);
6161 phba
->fcf
.fcf_flag
|= FCF_INIT_DISC
;
6162 spin_unlock_irq(&phba
->hbalock
);
6164 /* Reset FCF roundrobin bmask for new discovery */
6165 lpfc_sli4_clear_fcf_rr_bmask(phba
);
6167 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
6170 spin_lock_irq(&phba
->hbalock
);
6171 phba
->fcf
.fcf_flag
&= ~FCF_INIT_DISC
;
6172 spin_unlock_irq(&phba
->hbalock
);
6173 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
|LOG_MBOX
,
6174 "2553 lpfc_unregister_unused_fcf failed "
6175 "to read FCF record HBA state x%x\n",
6176 phba
->pport
->port_state
);
6181 * lpfc_unregister_fcf - Unregister the currently registered fcf record
6182 * @phba: Pointer to hba context object.
6184 * This function just unregisters the currently reigstered FCF. It does not
6185 * try to find another FCF for discovery.
6188 lpfc_unregister_fcf(struct lpfc_hba
*phba
)
6192 /* Preparation for unregistering fcf */
6193 rc
= lpfc_unregister_fcf_prep(phba
);
6195 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
6196 "2749 Failed to prepare for unregistering "
6197 "HBA's FCF record: rc=%d\n", rc
);
6201 /* Now, unregister FCF record and reset HBA FCF state */
6202 rc
= lpfc_sli4_unregister_fcf(phba
);
6205 /* Set proper HBA FCF states after successful unregister FCF */
6206 spin_lock_irq(&phba
->hbalock
);
6207 phba
->fcf
.fcf_flag
&= ~FCF_REGISTERED
;
6208 spin_unlock_irq(&phba
->hbalock
);
6212 * lpfc_unregister_unused_fcf - Unregister FCF if all devices are disconnected.
6213 * @phba: Pointer to hba context object.
6215 * This function check if there are any connected remote port for the FCF and
6216 * if all the devices are disconnected, this function unregister FCFI.
6217 * This function also tries to use another FCF for discovery.
6220 lpfc_unregister_unused_fcf(struct lpfc_hba
*phba
)
6223 * If HBA is not running in FIP mode, if HBA does not support
6224 * FCoE, if FCF discovery is ongoing, or if FCF has not been
6225 * registered, do nothing.
6227 spin_lock_irq(&phba
->hbalock
);
6228 if (!(phba
->hba_flag
& HBA_FCOE_MODE
) ||
6229 !(phba
->fcf
.fcf_flag
& FCF_REGISTERED
) ||
6230 !(phba
->hba_flag
& HBA_FIP_SUPPORT
) ||
6231 (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) ||
6232 (phba
->pport
->port_state
== LPFC_FLOGI
)) {
6233 spin_unlock_irq(&phba
->hbalock
);
6236 spin_unlock_irq(&phba
->hbalock
);
6238 if (lpfc_fcf_inuse(phba
))
6241 lpfc_unregister_fcf_rescan(phba
);
6245 * lpfc_read_fcf_conn_tbl - Create driver FCF connection table.
6246 * @phba: Pointer to hba context object.
6247 * @buff: Buffer containing the FCF connection table as in the config
6249 * This function create driver data structure for the FCF connection
6250 * record table read from config region 23.
6253 lpfc_read_fcf_conn_tbl(struct lpfc_hba
*phba
,
6256 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
6257 struct lpfc_fcf_conn_hdr
*conn_hdr
;
6258 struct lpfc_fcf_conn_rec
*conn_rec
;
6259 uint32_t record_count
;
6262 /* Free the current connect table */
6263 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
6264 &phba
->fcf_conn_rec_list
, list
) {
6265 list_del_init(&conn_entry
->list
);
6269 conn_hdr
= (struct lpfc_fcf_conn_hdr
*) buff
;
6270 record_count
= conn_hdr
->length
* sizeof(uint32_t)/
6271 sizeof(struct lpfc_fcf_conn_rec
);
6273 conn_rec
= (struct lpfc_fcf_conn_rec
*)
6274 (buff
+ sizeof(struct lpfc_fcf_conn_hdr
));
6276 for (i
= 0; i
< record_count
; i
++) {
6277 if (!(conn_rec
[i
].flags
& FCFCNCT_VALID
))
6279 conn_entry
= kzalloc(sizeof(struct lpfc_fcf_conn_entry
),
6282 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6283 "2566 Failed to allocate connection"
6288 memcpy(&conn_entry
->conn_rec
, &conn_rec
[i
],
6289 sizeof(struct lpfc_fcf_conn_rec
));
6290 list_add_tail(&conn_entry
->list
,
6291 &phba
->fcf_conn_rec_list
);
6294 if (!list_empty(&phba
->fcf_conn_rec_list
)) {
6296 list_for_each_entry(conn_entry
, &phba
->fcf_conn_rec_list
,
6298 conn_rec
= &conn_entry
->conn_rec
;
6299 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6300 "3345 FCF connection list rec[%02d]: "
6301 "flags:x%04x, vtag:x%04x, "
6302 "fabric_name:x%02x:%02x:%02x:%02x:"
6303 "%02x:%02x:%02x:%02x, "
6304 "switch_name:x%02x:%02x:%02x:%02x:"
6305 "%02x:%02x:%02x:%02x\n", i
++,
6306 conn_rec
->flags
, conn_rec
->vlan_tag
,
6307 conn_rec
->fabric_name
[0],
6308 conn_rec
->fabric_name
[1],
6309 conn_rec
->fabric_name
[2],
6310 conn_rec
->fabric_name
[3],
6311 conn_rec
->fabric_name
[4],
6312 conn_rec
->fabric_name
[5],
6313 conn_rec
->fabric_name
[6],
6314 conn_rec
->fabric_name
[7],
6315 conn_rec
->switch_name
[0],
6316 conn_rec
->switch_name
[1],
6317 conn_rec
->switch_name
[2],
6318 conn_rec
->switch_name
[3],
6319 conn_rec
->switch_name
[4],
6320 conn_rec
->switch_name
[5],
6321 conn_rec
->switch_name
[6],
6322 conn_rec
->switch_name
[7]);
6328 * lpfc_read_fcoe_param - Read FCoe parameters from conf region..
6329 * @phba: Pointer to hba context object.
6330 * @buff: Buffer containing the FCoE parameter data structure.
6332 * This function update driver data structure with config
6333 * parameters read from config region 23.
6336 lpfc_read_fcoe_param(struct lpfc_hba
*phba
,
6339 struct lpfc_fip_param_hdr
*fcoe_param_hdr
;
6340 struct lpfc_fcoe_params
*fcoe_param
;
6342 fcoe_param_hdr
= (struct lpfc_fip_param_hdr
*)
6344 fcoe_param
= (struct lpfc_fcoe_params
*)
6345 (buff
+ sizeof(struct lpfc_fip_param_hdr
));
6347 if ((fcoe_param_hdr
->parm_version
!= FIPP_VERSION
) ||
6348 (fcoe_param_hdr
->length
!= FCOE_PARAM_LENGTH
))
6351 if (fcoe_param_hdr
->parm_flags
& FIPP_VLAN_VALID
) {
6352 phba
->valid_vlan
= 1;
6353 phba
->vlan_id
= le16_to_cpu(fcoe_param
->vlan_tag
) &
6357 phba
->fc_map
[0] = fcoe_param
->fc_map
[0];
6358 phba
->fc_map
[1] = fcoe_param
->fc_map
[1];
6359 phba
->fc_map
[2] = fcoe_param
->fc_map
[2];
6364 * lpfc_get_rec_conf23 - Get a record type in config region data.
6365 * @buff: Buffer containing config region 23 data.
6366 * @size: Size of the data buffer.
6367 * @rec_type: Record type to be searched.
6369 * This function searches config region data to find the beginning
6370 * of the record specified by record_type. If record found, this
6371 * function return pointer to the record else return NULL.
6374 lpfc_get_rec_conf23(uint8_t *buff
, uint32_t size
, uint8_t rec_type
)
6376 uint32_t offset
= 0, rec_length
;
6378 if ((buff
[0] == LPFC_REGION23_LAST_REC
) ||
6379 (size
< sizeof(uint32_t)))
6382 rec_length
= buff
[offset
+ 1];
6385 * One TLV record has one word header and number of data words
6386 * specified in the rec_length field of the record header.
6388 while ((offset
+ rec_length
* sizeof(uint32_t) + sizeof(uint32_t))
6390 if (buff
[offset
] == rec_type
)
6391 return &buff
[offset
];
6393 if (buff
[offset
] == LPFC_REGION23_LAST_REC
)
6396 offset
+= rec_length
* sizeof(uint32_t) + sizeof(uint32_t);
6397 rec_length
= buff
[offset
+ 1];
6403 * lpfc_parse_fcoe_conf - Parse FCoE config data read from config region 23.
6404 * @phba: Pointer to lpfc_hba data structure.
6405 * @buff: Buffer containing config region 23 data.
6406 * @size: Size of the data buffer.
6408 * This function parses the FCoE config parameters in config region 23 and
6409 * populate driver data structure with the parameters.
6412 lpfc_parse_fcoe_conf(struct lpfc_hba
*phba
,
6416 uint32_t offset
= 0;
6420 * If data size is less than 2 words signature and version cannot be
6423 if (size
< 2*sizeof(uint32_t))
6426 /* Check the region signature first */
6427 if (memcmp(buff
, LPFC_REGION23_SIGNATURE
, 4)) {
6428 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6429 "2567 Config region 23 has bad signature\n");
6435 /* Check the data structure version */
6436 if (buff
[offset
] != LPFC_REGION23_VERSION
) {
6437 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6438 "2568 Config region 23 has bad version\n");
6443 /* Read FCoE param record */
6444 rec_ptr
= lpfc_get_rec_conf23(&buff
[offset
],
6445 size
- offset
, FCOE_PARAM_TYPE
);
6447 lpfc_read_fcoe_param(phba
, rec_ptr
);
6449 /* Read FCF connection table */
6450 rec_ptr
= lpfc_get_rec_conf23(&buff
[offset
],
6451 size
- offset
, FCOE_CONN_TBL_TYPE
);
6453 lpfc_read_fcf_conn_tbl(phba
, rec_ptr
);