1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2009 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/slab.h>
24 #include <linux/pci.h>
25 #include <linux/kthread.h>
26 #include <linux/interrupt.h>
28 #include <scsi/scsi.h>
29 #include <scsi/scsi_device.h>
30 #include <scsi/scsi_host.h>
31 #include <scsi/scsi_transport_fc.h>
36 #include "lpfc_disc.h"
38 #include "lpfc_sli4.h"
39 #include "lpfc_scsi.h"
41 #include "lpfc_logmsg.h"
42 #include "lpfc_crtn.h"
43 #include "lpfc_vport.h"
44 #include "lpfc_debugfs.h"
46 /* AlpaArray for assignment of scsid for scan-down and bind_method */
47 static uint8_t lpfcAlpaArray
[] = {
48 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6,
49 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA,
50 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5,
51 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9,
52 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97,
53 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79,
54 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B,
55 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56,
56 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A,
57 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35,
58 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29,
59 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17,
60 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01
63 static void lpfc_disc_timeout_handler(struct lpfc_vport
*);
64 static void lpfc_disc_flush_list(struct lpfc_vport
*vport
);
65 static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
68 lpfc_terminate_rport_io(struct fc_rport
*rport
)
70 struct lpfc_rport_data
*rdata
;
71 struct lpfc_nodelist
* ndlp
;
72 struct lpfc_hba
*phba
;
74 rdata
= rport
->dd_data
;
77 if (!ndlp
|| !NLP_CHK_NODE_ACT(ndlp
)) {
78 if (rport
->roles
& FC_RPORT_ROLE_FCP_TARGET
)
79 printk(KERN_ERR
"Cannot find remote node"
80 " to terminate I/O Data x%x\n",
87 lpfc_debugfs_disc_trc(ndlp
->vport
, LPFC_DISC_TRC_RPORT
,
88 "rport terminate: sid:x%x did:x%x flg:x%x",
89 ndlp
->nlp_sid
, ndlp
->nlp_DID
, ndlp
->nlp_flag
);
91 if (ndlp
->nlp_sid
!= NLP_NO_SID
) {
92 lpfc_sli_abort_iocb(ndlp
->vport
,
93 &phba
->sli
.ring
[phba
->sli
.fcp_ring
],
94 ndlp
->nlp_sid
, 0, LPFC_CTX_TGT
);
99 * This function will be called when dev_loss_tmo fire.
102 lpfc_dev_loss_tmo_callbk(struct fc_rport
*rport
)
104 struct lpfc_rport_data
*rdata
;
105 struct lpfc_nodelist
* ndlp
;
106 struct lpfc_vport
*vport
;
107 struct lpfc_hba
*phba
;
108 struct lpfc_work_evt
*evtp
;
112 rdata
= rport
->dd_data
;
114 if (!ndlp
|| !NLP_CHK_NODE_ACT(ndlp
))
120 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_RPORT
,
121 "rport devlosscb: sid:x%x did:x%x flg:x%x",
122 ndlp
->nlp_sid
, ndlp
->nlp_DID
, ndlp
->nlp_flag
);
124 /* Don't defer this if we are in the process of deleting the vport
125 * or unloading the driver. The unload will cleanup the node
126 * appropriately we just need to cleanup the ndlp rport info here.
128 if (vport
->load_flag
& FC_UNLOADING
) {
129 put_node
= rdata
->pnode
!= NULL
;
130 put_rport
= ndlp
->rport
!= NULL
;
136 put_device(&rport
->dev
);
140 if (ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
)
143 evtp
= &ndlp
->dev_loss_evt
;
145 if (!list_empty(&evtp
->evt_listp
))
148 spin_lock_irq(&phba
->hbalock
);
149 /* We need to hold the node by incrementing the reference
150 * count until this queued work is done
152 evtp
->evt_arg1
= lpfc_nlp_get(ndlp
);
153 if (evtp
->evt_arg1
) {
154 evtp
->evt
= LPFC_EVT_DEV_LOSS
;
155 list_add_tail(&evtp
->evt_listp
, &phba
->work_list
);
156 lpfc_worker_wake_up(phba
);
158 spin_unlock_irq(&phba
->hbalock
);
164 * This function is called from the worker thread when dev_loss_tmo
168 lpfc_dev_loss_tmo_handler(struct lpfc_nodelist
*ndlp
)
170 struct lpfc_rport_data
*rdata
;
171 struct fc_rport
*rport
;
172 struct lpfc_vport
*vport
;
173 struct lpfc_hba
*phba
;
184 rdata
= rport
->dd_data
;
185 name
= (uint8_t *) &ndlp
->nlp_portname
;
189 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_RPORT
,
190 "rport devlosstmo:did:x%x type:x%x id:x%x",
191 ndlp
->nlp_DID
, ndlp
->nlp_type
, rport
->scsi_target_id
);
193 /* Don't defer this if we are in the process of deleting the vport
194 * or unloading the driver. The unload will cleanup the node
195 * appropriately we just need to cleanup the ndlp rport info here.
197 if (vport
->load_flag
& FC_UNLOADING
) {
198 if (ndlp
->nlp_sid
!= NLP_NO_SID
) {
199 /* flush the target */
200 lpfc_sli_abort_iocb(vport
,
201 &phba
->sli
.ring
[phba
->sli
.fcp_ring
],
202 ndlp
->nlp_sid
, 0, LPFC_CTX_TGT
);
204 put_node
= rdata
->pnode
!= NULL
;
205 put_rport
= ndlp
->rport
!= NULL
;
211 put_device(&rport
->dev
);
215 if (ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
) {
216 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_DISCOVERY
,
217 "0284 Devloss timeout Ignored on "
218 "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
220 *name
, *(name
+1), *(name
+2), *(name
+3),
221 *(name
+4), *(name
+5), *(name
+6), *(name
+7),
226 if (ndlp
->nlp_type
& NLP_FABRIC
) {
227 /* We will clean up these Nodes in linkup */
228 put_node
= rdata
->pnode
!= NULL
;
229 put_rport
= ndlp
->rport
!= NULL
;
235 put_device(&rport
->dev
);
239 if (ndlp
->nlp_sid
!= NLP_NO_SID
) {
241 /* flush the target */
242 lpfc_sli_abort_iocb(vport
, &phba
->sli
.ring
[phba
->sli
.fcp_ring
],
243 ndlp
->nlp_sid
, 0, LPFC_CTX_TGT
);
247 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
248 "0203 Devloss timeout on "
249 "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x "
250 "NPort x%06x Data: x%x x%x x%x\n",
251 *name
, *(name
+1), *(name
+2), *(name
+3),
252 *(name
+4), *(name
+5), *(name
+6), *(name
+7),
253 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
254 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
256 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_DISCOVERY
,
257 "0204 Devloss timeout on "
258 "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x "
259 "NPort x%06x Data: x%x x%x x%x\n",
260 *name
, *(name
+1), *(name
+2), *(name
+3),
261 *(name
+4), *(name
+5), *(name
+6), *(name
+7),
262 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
263 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
266 put_node
= rdata
->pnode
!= NULL
;
267 put_rport
= ndlp
->rport
!= NULL
;
273 put_device(&rport
->dev
);
275 if (!(vport
->load_flag
& FC_UNLOADING
) &&
276 !(ndlp
->nlp_flag
& NLP_DELAY_TMO
) &&
277 !(ndlp
->nlp_flag
& NLP_NPR_2B_DISC
) &&
278 (ndlp
->nlp_state
!= NLP_STE_UNMAPPED_NODE
) &&
279 (ndlp
->nlp_state
!= NLP_STE_REG_LOGIN_ISSUE
) &&
280 (ndlp
->nlp_state
!= NLP_STE_PRLI_ISSUE
))
281 lpfc_disc_state_machine(vport
, ndlp
, NULL
, NLP_EVT_DEVICE_RM
);
283 lpfc_unregister_unused_fcf(phba
);
287 * lpfc_alloc_fast_evt - Allocates data structure for posting event
288 * @phba: Pointer to hba context object.
290 * This function is called from the functions which need to post
291 * events from interrupt context. This function allocates data
292 * structure required for posting event. It also keeps track of
293 * number of events pending and prevent event storm when there are
296 struct lpfc_fast_path_event
*
297 lpfc_alloc_fast_evt(struct lpfc_hba
*phba
) {
298 struct lpfc_fast_path_event
*ret
;
300 /* If there are lot of fast event do not exhaust memory due to this */
301 if (atomic_read(&phba
->fast_event_count
) > LPFC_MAX_EVT_COUNT
)
304 ret
= kzalloc(sizeof(struct lpfc_fast_path_event
),
307 atomic_inc(&phba
->fast_event_count
);
308 INIT_LIST_HEAD(&ret
->work_evt
.evt_listp
);
309 ret
->work_evt
.evt
= LPFC_EVT_FASTPATH_MGMT_EVT
;
315 * lpfc_free_fast_evt - Frees event data structure
316 * @phba: Pointer to hba context object.
317 * @evt: Event object which need to be freed.
319 * This function frees the data structure required for posting
323 lpfc_free_fast_evt(struct lpfc_hba
*phba
,
324 struct lpfc_fast_path_event
*evt
) {
326 atomic_dec(&phba
->fast_event_count
);
331 * lpfc_send_fastpath_evt - Posts events generated from fast path
332 * @phba: Pointer to hba context object.
333 * @evtp: Event data structure.
335 * This function is called from worker thread, when the interrupt
336 * context need to post an event. This function posts the event
337 * to fc transport netlink interface.
340 lpfc_send_fastpath_evt(struct lpfc_hba
*phba
,
341 struct lpfc_work_evt
*evtp
)
343 unsigned long evt_category
, evt_sub_category
;
344 struct lpfc_fast_path_event
*fast_evt_data
;
346 uint32_t evt_data_size
;
347 struct Scsi_Host
*shost
;
349 fast_evt_data
= container_of(evtp
, struct lpfc_fast_path_event
,
352 evt_category
= (unsigned long) fast_evt_data
->un
.fabric_evt
.event_type
;
353 evt_sub_category
= (unsigned long) fast_evt_data
->un
.
354 fabric_evt
.subcategory
;
355 shost
= lpfc_shost_from_vport(fast_evt_data
->vport
);
356 if (evt_category
== FC_REG_FABRIC_EVENT
) {
357 if (evt_sub_category
== LPFC_EVENT_FCPRDCHKERR
) {
358 evt_data
= (char *) &fast_evt_data
->un
.read_check_error
;
359 evt_data_size
= sizeof(fast_evt_data
->un
.
361 } else if ((evt_sub_category
== LPFC_EVENT_FABRIC_BUSY
) ||
362 (evt_sub_category
== LPFC_EVENT_PORT_BUSY
)) {
363 evt_data
= (char *) &fast_evt_data
->un
.fabric_evt
;
364 evt_data_size
= sizeof(fast_evt_data
->un
.fabric_evt
);
366 lpfc_free_fast_evt(phba
, fast_evt_data
);
369 } else if (evt_category
== FC_REG_SCSI_EVENT
) {
370 switch (evt_sub_category
) {
371 case LPFC_EVENT_QFULL
:
372 case LPFC_EVENT_DEVBSY
:
373 evt_data
= (char *) &fast_evt_data
->un
.scsi_evt
;
374 evt_data_size
= sizeof(fast_evt_data
->un
.scsi_evt
);
376 case LPFC_EVENT_CHECK_COND
:
377 evt_data
= (char *) &fast_evt_data
->un
.check_cond_evt
;
378 evt_data_size
= sizeof(fast_evt_data
->un
.
381 case LPFC_EVENT_VARQUEDEPTH
:
382 evt_data
= (char *) &fast_evt_data
->un
.queue_depth_evt
;
383 evt_data_size
= sizeof(fast_evt_data
->un
.
387 lpfc_free_fast_evt(phba
, fast_evt_data
);
391 lpfc_free_fast_evt(phba
, fast_evt_data
);
395 fc_host_post_vendor_event(shost
,
396 fc_get_event_number(),
401 lpfc_free_fast_evt(phba
, fast_evt_data
);
406 lpfc_work_list_done(struct lpfc_hba
*phba
)
408 struct lpfc_work_evt
*evtp
= NULL
;
409 struct lpfc_nodelist
*ndlp
;
412 spin_lock_irq(&phba
->hbalock
);
413 while (!list_empty(&phba
->work_list
)) {
414 list_remove_head((&phba
->work_list
), evtp
, typeof(*evtp
),
416 spin_unlock_irq(&phba
->hbalock
);
419 case LPFC_EVT_ELS_RETRY
:
420 ndlp
= (struct lpfc_nodelist
*) (evtp
->evt_arg1
);
421 lpfc_els_retry_delay_handler(ndlp
);
422 free_evt
= 0; /* evt is part of ndlp */
423 /* decrement the node reference count held
424 * for this queued work
428 case LPFC_EVT_DEV_LOSS
:
429 ndlp
= (struct lpfc_nodelist
*)(evtp
->evt_arg1
);
430 lpfc_dev_loss_tmo_handler(ndlp
);
432 /* decrement the node reference count held for
437 case LPFC_EVT_ONLINE
:
438 if (phba
->link_state
< LPFC_LINK_DOWN
)
439 *(int *) (evtp
->evt_arg1
) = lpfc_online(phba
);
441 *(int *) (evtp
->evt_arg1
) = 0;
442 complete((struct completion
*)(evtp
->evt_arg2
));
444 case LPFC_EVT_OFFLINE_PREP
:
445 if (phba
->link_state
>= LPFC_LINK_DOWN
)
446 lpfc_offline_prep(phba
);
447 *(int *)(evtp
->evt_arg1
) = 0;
448 complete((struct completion
*)(evtp
->evt_arg2
));
450 case LPFC_EVT_OFFLINE
:
452 lpfc_sli_brdrestart(phba
);
453 *(int *)(evtp
->evt_arg1
) =
454 lpfc_sli_brdready(phba
, HS_FFRDY
| HS_MBRDY
);
455 lpfc_unblock_mgmt_io(phba
);
456 complete((struct completion
*)(evtp
->evt_arg2
));
458 case LPFC_EVT_WARM_START
:
460 lpfc_reset_barrier(phba
);
461 lpfc_sli_brdreset(phba
);
462 lpfc_hba_down_post(phba
);
463 *(int *)(evtp
->evt_arg1
) =
464 lpfc_sli_brdready(phba
, HS_MBRDY
);
465 lpfc_unblock_mgmt_io(phba
);
466 complete((struct completion
*)(evtp
->evt_arg2
));
470 *(int *)(evtp
->evt_arg1
)
471 = (phba
->pport
->stopped
)
472 ? 0 : lpfc_sli_brdkill(phba
);
473 lpfc_unblock_mgmt_io(phba
);
474 complete((struct completion
*)(evtp
->evt_arg2
));
476 case LPFC_EVT_FASTPATH_MGMT_EVT
:
477 lpfc_send_fastpath_evt(phba
, evtp
);
480 case LPFC_EVT_RESET_HBA
:
481 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
482 lpfc_reset_hba(phba
);
487 spin_lock_irq(&phba
->hbalock
);
489 spin_unlock_irq(&phba
->hbalock
);
494 lpfc_work_done(struct lpfc_hba
*phba
)
496 struct lpfc_sli_ring
*pring
;
497 uint32_t ha_copy
, status
, control
, work_port_events
;
498 struct lpfc_vport
**vports
;
499 struct lpfc_vport
*vport
;
502 spin_lock_irq(&phba
->hbalock
);
503 ha_copy
= phba
->work_ha
;
505 spin_unlock_irq(&phba
->hbalock
);
507 /* First, try to post the next mailbox command to SLI4 device */
508 if (phba
->pci_dev_grp
== LPFC_PCI_DEV_OC
)
509 lpfc_sli4_post_async_mbox(phba
);
511 if (ha_copy
& HA_ERATT
)
512 /* Handle the error attention event */
513 lpfc_handle_eratt(phba
);
515 if (ha_copy
& HA_MBATT
)
516 lpfc_sli_handle_mb_event(phba
);
518 if (ha_copy
& HA_LATT
)
519 lpfc_handle_latt(phba
);
521 /* Process SLI4 events */
522 if (phba
->pci_dev_grp
== LPFC_PCI_DEV_OC
) {
523 if (phba
->hba_flag
& FCP_XRI_ABORT_EVENT
)
524 lpfc_sli4_fcp_xri_abort_event_proc(phba
);
525 if (phba
->hba_flag
& ELS_XRI_ABORT_EVENT
)
526 lpfc_sli4_els_xri_abort_event_proc(phba
);
527 if (phba
->hba_flag
& ASYNC_EVENT
)
528 lpfc_sli4_async_event_proc(phba
);
529 if (phba
->hba_flag
& HBA_POST_RECEIVE_BUFFER
) {
530 spin_lock_irq(&phba
->hbalock
);
531 phba
->hba_flag
&= ~HBA_POST_RECEIVE_BUFFER
;
532 spin_unlock_irq(&phba
->hbalock
);
533 lpfc_sli_hbqbuf_add_hbqs(phba
, LPFC_ELS_HBQ
);
535 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
)
536 lpfc_sli4_fcf_redisc_event_proc(phba
);
539 vports
= lpfc_create_vport_work_array(phba
);
541 for (i
= 0; i
<= phba
->max_vports
; i
++) {
543 * We could have no vports in array if unloading, so if
544 * this happens then just use the pport
546 if (vports
[i
] == NULL
&& i
== 0)
552 spin_lock_irq(&vport
->work_port_lock
);
553 work_port_events
= vport
->work_port_events
;
554 vport
->work_port_events
&= ~work_port_events
;
555 spin_unlock_irq(&vport
->work_port_lock
);
556 if (work_port_events
& WORKER_DISC_TMO
)
557 lpfc_disc_timeout_handler(vport
);
558 if (work_port_events
& WORKER_ELS_TMO
)
559 lpfc_els_timeout_handler(vport
);
560 if (work_port_events
& WORKER_HB_TMO
)
561 lpfc_hb_timeout_handler(phba
);
562 if (work_port_events
& WORKER_MBOX_TMO
)
563 lpfc_mbox_timeout_handler(phba
);
564 if (work_port_events
& WORKER_FABRIC_BLOCK_TMO
)
565 lpfc_unblock_fabric_iocbs(phba
);
566 if (work_port_events
& WORKER_FDMI_TMO
)
567 lpfc_fdmi_timeout_handler(vport
);
568 if (work_port_events
& WORKER_RAMP_DOWN_QUEUE
)
569 lpfc_ramp_down_queue_handler(phba
);
570 if (work_port_events
& WORKER_RAMP_UP_QUEUE
)
571 lpfc_ramp_up_queue_handler(phba
);
573 lpfc_destroy_vport_work_array(phba
, vports
);
575 pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
576 status
= (ha_copy
& (HA_RXMASK
<< (4*LPFC_ELS_RING
)));
577 status
>>= (4*LPFC_ELS_RING
);
578 if ((status
& HA_RXMASK
) ||
579 (pring
->flag
& LPFC_DEFERRED_RING_EVENT
) ||
580 (phba
->hba_flag
& HBA_SP_QUEUE_EVT
)) {
581 if (pring
->flag
& LPFC_STOP_IOCB_EVENT
) {
582 pring
->flag
|= LPFC_DEFERRED_RING_EVENT
;
583 /* Set the lpfc data pending flag */
584 set_bit(LPFC_DATA_READY
, &phba
->data_flags
);
586 pring
->flag
&= ~LPFC_DEFERRED_RING_EVENT
;
587 lpfc_sli_handle_slow_ring_event(phba
, pring
,
591 if ((phba
->sli_rev
== LPFC_SLI_REV4
) && pring
->txq_cnt
)
592 lpfc_drain_txq(phba
);
594 * Turn on Ring interrupts
596 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
597 spin_lock_irq(&phba
->hbalock
);
598 control
= readl(phba
->HCregaddr
);
599 if (!(control
& (HC_R0INT_ENA
<< LPFC_ELS_RING
))) {
600 lpfc_debugfs_slow_ring_trc(phba
,
601 "WRK Enable ring: cntl:x%x hacopy:x%x",
602 control
, ha_copy
, 0);
604 control
|= (HC_R0INT_ENA
<< LPFC_ELS_RING
);
605 writel(control
, phba
->HCregaddr
);
606 readl(phba
->HCregaddr
); /* flush */
608 lpfc_debugfs_slow_ring_trc(phba
,
609 "WRK Ring ok: cntl:x%x hacopy:x%x",
610 control
, ha_copy
, 0);
612 spin_unlock_irq(&phba
->hbalock
);
615 lpfc_work_list_done(phba
);
619 lpfc_do_work(void *p
)
621 struct lpfc_hba
*phba
= p
;
624 set_user_nice(current
, -20);
625 phba
->data_flags
= 0;
627 while (!kthread_should_stop()) {
628 /* wait and check worker queue activities */
629 rc
= wait_event_interruptible(phba
->work_waitq
,
630 (test_and_clear_bit(LPFC_DATA_READY
,
632 || kthread_should_stop()));
633 /* Signal wakeup shall terminate the worker thread */
635 lpfc_printf_log(phba
, KERN_ERR
, LOG_ELS
,
636 "0433 Wakeup on signal: rc=x%x\n", rc
);
640 /* Attend pending lpfc data processing */
641 lpfc_work_done(phba
);
643 phba
->worker_thread
= NULL
;
644 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
645 "0432 Worker thread stopped.\n");
650 * This is only called to handle FC worker events. Since this a rare
651 * occurance, we allocate a struct lpfc_work_evt structure here instead of
652 * embedding it in the IOCB.
655 lpfc_workq_post_event(struct lpfc_hba
*phba
, void *arg1
, void *arg2
,
658 struct lpfc_work_evt
*evtp
;
662 * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will
663 * be queued to worker thread for processing
665 evtp
= kmalloc(sizeof(struct lpfc_work_evt
), GFP_ATOMIC
);
669 evtp
->evt_arg1
= arg1
;
670 evtp
->evt_arg2
= arg2
;
673 spin_lock_irqsave(&phba
->hbalock
, flags
);
674 list_add_tail(&evtp
->evt_listp
, &phba
->work_list
);
675 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
677 lpfc_worker_wake_up(phba
);
683 lpfc_cleanup_rpis(struct lpfc_vport
*vport
, int remove
)
685 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
686 struct lpfc_hba
*phba
= vport
->phba
;
687 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
690 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
691 if (!NLP_CHK_NODE_ACT(ndlp
))
693 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
695 if ((phba
->sli3_options
& LPFC_SLI3_VPORT_TEARDOWN
) ||
696 ((vport
->port_type
== LPFC_NPIV_PORT
) &&
697 (ndlp
->nlp_DID
== NameServer_DID
)))
698 lpfc_unreg_rpi(vport
, ndlp
);
700 /* Leave Fabric nodes alone on link down */
701 if ((phba
->sli_rev
< LPFC_SLI_REV4
) &&
702 (!remove
&& ndlp
->nlp_type
& NLP_FABRIC
))
704 rc
= lpfc_disc_state_machine(vport
, ndlp
, NULL
,
707 : NLP_EVT_DEVICE_RECOVERY
);
709 if (phba
->sli3_options
& LPFC_SLI3_VPORT_TEARDOWN
) {
710 lpfc_mbx_unreg_vpi(vport
);
711 spin_lock_irq(shost
->host_lock
);
712 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
713 spin_unlock_irq(shost
->host_lock
);
718 lpfc_port_link_failure(struct lpfc_vport
*vport
)
720 lpfc_vport_set_state(vport
, FC_VPORT_LINKDOWN
);
722 /* Cleanup any outstanding received buffers */
723 lpfc_cleanup_rcv_buffers(vport
);
725 /* Cleanup any outstanding RSCN activity */
726 lpfc_els_flush_rscn(vport
);
728 /* Cleanup any outstanding ELS commands */
729 lpfc_els_flush_cmd(vport
);
731 lpfc_cleanup_rpis(vport
, 0);
733 /* Turn off discovery timer if its running */
734 lpfc_can_disctmo(vport
);
738 lpfc_linkdown_port(struct lpfc_vport
*vport
)
740 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
742 fc_host_post_event(shost
, fc_get_event_number(), FCH_EVT_LINKDOWN
, 0);
744 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_ELS_CMD
,
745 "Link Down: state:x%x rtry:x%x flg:x%x",
746 vport
->port_state
, vport
->fc_ns_retry
, vport
->fc_flag
);
748 lpfc_port_link_failure(vport
);
753 lpfc_linkdown(struct lpfc_hba
*phba
)
755 struct lpfc_vport
*vport
= phba
->pport
;
756 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
757 struct lpfc_vport
**vports
;
761 if (phba
->link_state
== LPFC_LINK_DOWN
)
764 /* Block all SCSI stack I/Os */
765 lpfc_scsi_dev_block(phba
);
767 spin_lock_irq(&phba
->hbalock
);
768 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
769 spin_unlock_irq(&phba
->hbalock
);
770 if (phba
->link_state
> LPFC_LINK_DOWN
) {
771 phba
->link_state
= LPFC_LINK_DOWN
;
772 spin_lock_irq(shost
->host_lock
);
773 phba
->pport
->fc_flag
&= ~FC_LBIT
;
774 spin_unlock_irq(shost
->host_lock
);
776 vports
= lpfc_create_vport_work_array(phba
);
778 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
779 /* Issue a LINK DOWN event to all nodes */
780 lpfc_linkdown_port(vports
[i
]);
782 lpfc_destroy_vport_work_array(phba
, vports
);
783 /* Clean up any firmware default rpi's */
784 mb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
786 lpfc_unreg_did(phba
, 0xffff, 0xffffffff, mb
);
788 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
789 if (lpfc_sli_issue_mbox(phba
, mb
, MBX_NOWAIT
)
790 == MBX_NOT_FINISHED
) {
791 mempool_free(mb
, phba
->mbox_mem_pool
);
795 /* Setup myDID for link up if we are in pt2pt mode */
796 if (phba
->pport
->fc_flag
& FC_PT2PT
) {
797 phba
->pport
->fc_myDID
= 0;
798 mb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
800 lpfc_config_link(phba
, mb
);
801 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
803 if (lpfc_sli_issue_mbox(phba
, mb
, MBX_NOWAIT
)
804 == MBX_NOT_FINISHED
) {
805 mempool_free(mb
, phba
->mbox_mem_pool
);
808 spin_lock_irq(shost
->host_lock
);
809 phba
->pport
->fc_flag
&= ~(FC_PT2PT
| FC_PT2PT_PLOGI
);
810 spin_unlock_irq(shost
->host_lock
);
817 lpfc_linkup_cleanup_nodes(struct lpfc_vport
*vport
)
819 struct lpfc_nodelist
*ndlp
;
821 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
822 if (!NLP_CHK_NODE_ACT(ndlp
))
824 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
826 if (ndlp
->nlp_type
& NLP_FABRIC
) {
827 /* On Linkup its safe to clean up the ndlp
828 * from Fabric connections.
830 if (ndlp
->nlp_DID
!= Fabric_DID
)
831 lpfc_unreg_rpi(vport
, ndlp
);
832 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_NPR_NODE
);
833 } else if (!(ndlp
->nlp_flag
& NLP_NPR_ADISC
)) {
834 /* Fail outstanding IO now since device is
837 lpfc_unreg_rpi(vport
, ndlp
);
843 lpfc_linkup_port(struct lpfc_vport
*vport
)
845 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
846 struct lpfc_hba
*phba
= vport
->phba
;
848 if ((vport
->load_flag
& FC_UNLOADING
) != 0)
851 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_ELS_CMD
,
852 "Link Up: top:x%x speed:x%x flg:x%x",
853 phba
->fc_topology
, phba
->fc_linkspeed
, phba
->link_flag
);
855 /* If NPIV is not enabled, only bring the physical port up */
856 if (!(phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
) &&
857 (vport
!= phba
->pport
))
860 fc_host_post_event(shost
, fc_get_event_number(), FCH_EVT_LINKUP
, 0);
862 spin_lock_irq(shost
->host_lock
);
863 vport
->fc_flag
&= ~(FC_PT2PT
| FC_PT2PT_PLOGI
| FC_ABORT_DISCOVERY
|
864 FC_RSCN_MODE
| FC_NLP_MORE
| FC_RSCN_DISCOVERY
);
865 vport
->fc_flag
|= FC_NDISC_ACTIVE
;
866 vport
->fc_ns_retry
= 0;
867 spin_unlock_irq(shost
->host_lock
);
869 if (vport
->fc_flag
& FC_LBIT
)
870 lpfc_linkup_cleanup_nodes(vport
);
875 lpfc_linkup(struct lpfc_hba
*phba
)
877 struct lpfc_vport
**vports
;
880 phba
->link_state
= LPFC_LINK_UP
;
882 /* Unblock fabric iocbs if they are blocked */
883 clear_bit(FABRIC_COMANDS_BLOCKED
, &phba
->bit_flags
);
884 del_timer_sync(&phba
->fabric_block_timer
);
886 vports
= lpfc_create_vport_work_array(phba
);
888 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
889 lpfc_linkup_port(vports
[i
]);
890 lpfc_destroy_vport_work_array(phba
, vports
);
891 if ((phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
) &&
892 (phba
->sli_rev
< LPFC_SLI_REV4
))
893 lpfc_issue_clear_la(phba
, phba
->pport
);
899 * This routine handles processing a CLEAR_LA mailbox
900 * command upon completion. It is setup in the LPFC_MBOXQ
901 * as the completion routine when the command is
902 * handed off to the SLI layer.
905 lpfc_mbx_cmpl_clear_la(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
907 struct lpfc_vport
*vport
= pmb
->vport
;
908 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
909 struct lpfc_sli
*psli
= &phba
->sli
;
910 MAILBOX_t
*mb
= &pmb
->u
.mb
;
913 /* Since we don't do discovery right now, turn these off here */
914 psli
->ring
[psli
->extra_ring
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
915 psli
->ring
[psli
->fcp_ring
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
916 psli
->ring
[psli
->next_ring
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
918 /* Check for error */
919 if ((mb
->mbxStatus
) && (mb
->mbxStatus
!= 0x1601)) {
920 /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */
921 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
922 "0320 CLEAR_LA mbxStatus error x%x hba "
924 mb
->mbxStatus
, vport
->port_state
);
925 phba
->link_state
= LPFC_HBA_ERROR
;
929 if (vport
->port_type
== LPFC_PHYSICAL_PORT
)
930 phba
->link_state
= LPFC_HBA_READY
;
932 spin_lock_irq(&phba
->hbalock
);
933 psli
->sli_flag
|= LPFC_PROCESS_LA
;
934 control
= readl(phba
->HCregaddr
);
935 control
|= HC_LAINT_ENA
;
936 writel(control
, phba
->HCregaddr
);
937 readl(phba
->HCregaddr
); /* flush */
938 spin_unlock_irq(&phba
->hbalock
);
939 mempool_free(pmb
, phba
->mbox_mem_pool
);
943 /* Device Discovery completes */
944 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_DISCOVERY
,
945 "0225 Device Discovery completes\n");
946 mempool_free(pmb
, phba
->mbox_mem_pool
);
948 spin_lock_irq(shost
->host_lock
);
949 vport
->fc_flag
&= ~FC_ABORT_DISCOVERY
;
950 spin_unlock_irq(shost
->host_lock
);
952 lpfc_can_disctmo(vport
);
954 /* turn on Link Attention interrupts */
956 spin_lock_irq(&phba
->hbalock
);
957 psli
->sli_flag
|= LPFC_PROCESS_LA
;
958 control
= readl(phba
->HCregaddr
);
959 control
|= HC_LAINT_ENA
;
960 writel(control
, phba
->HCregaddr
);
961 readl(phba
->HCregaddr
); /* flush */
962 spin_unlock_irq(&phba
->hbalock
);
969 lpfc_mbx_cmpl_local_config_link(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
971 struct lpfc_vport
*vport
= pmb
->vport
;
973 if (pmb
->u
.mb
.mbxStatus
)
976 mempool_free(pmb
, phba
->mbox_mem_pool
);
978 if (phba
->fc_topology
== TOPOLOGY_LOOP
&&
979 vport
->fc_flag
& FC_PUBLIC_LOOP
&&
980 !(vport
->fc_flag
& FC_LBIT
)) {
981 /* Need to wait for FAN - use discovery timer
982 * for timeout. port_state is identically
983 * LPFC_LOCAL_CFG_LINK while waiting for FAN
985 lpfc_set_disctmo(vport
);
989 /* Start discovery by sending a FLOGI. port_state is identically
990 * LPFC_FLOGI while waiting for FLOGI cmpl
992 if (vport
->port_state
!= LPFC_FLOGI
) {
993 lpfc_initial_flogi(vport
);
998 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
999 "0306 CONFIG_LINK mbxStatus error x%x "
1001 pmb
->u
.mb
.mbxStatus
, vport
->port_state
);
1002 mempool_free(pmb
, phba
->mbox_mem_pool
);
1004 lpfc_linkdown(phba
);
1006 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
1007 "0200 CONFIG_LINK bad hba state x%x\n",
1010 lpfc_issue_clear_la(phba
, vport
);
1015 lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
1017 struct lpfc_vport
*vport
= mboxq
->vport
;
1019 if (mboxq
->u
.mb
.mbxStatus
) {
1020 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
1021 "2017 REG_FCFI mbxStatus error x%x "
1023 mboxq
->u
.mb
.mbxStatus
, vport
->port_state
);
1024 mempool_free(mboxq
, phba
->mbox_mem_pool
);
1028 /* Start FCoE discovery by sending a FLOGI. */
1029 phba
->fcf
.fcfi
= bf_get(lpfc_reg_fcfi_fcfi
, &mboxq
->u
.mqe
.un
.reg_fcfi
);
1030 /* Set the FCFI registered flag */
1031 spin_lock_irq(&phba
->hbalock
);
1032 phba
->fcf
.fcf_flag
|= FCF_REGISTERED
;
1033 spin_unlock_irq(&phba
->hbalock
);
1034 /* If there is a pending FCoE event, restart FCF table scan. */
1035 if (lpfc_check_pending_fcoe_event(phba
, 1)) {
1036 mempool_free(mboxq
, phba
->mbox_mem_pool
);
1039 spin_lock_irq(&phba
->hbalock
);
1040 phba
->fcf
.fcf_flag
|= (FCF_SCAN_DONE
| FCF_IN_USE
);
1041 phba
->hba_flag
&= ~FCF_DISC_INPROGRESS
;
1042 spin_unlock_irq(&phba
->hbalock
);
1043 if (vport
->port_state
!= LPFC_FLOGI
)
1044 lpfc_initial_flogi(vport
);
1046 mempool_free(mboxq
, phba
->mbox_mem_pool
);
1051 * lpfc_fab_name_match - Check if the fcf fabric name match.
1052 * @fab_name: pointer to fabric name.
1053 * @new_fcf_record: pointer to fcf record.
1055 * This routine compare the fcf record's fabric name with provided
1056 * fabric name. If the fabric name are identical this function
1057 * returns 1 else return 0.
1060 lpfc_fab_name_match(uint8_t *fab_name
, struct fcf_record
*new_fcf_record
)
1062 if (fab_name
[0] != bf_get(lpfc_fcf_record_fab_name_0
, new_fcf_record
))
1064 if (fab_name
[1] != bf_get(lpfc_fcf_record_fab_name_1
, new_fcf_record
))
1066 if (fab_name
[2] != bf_get(lpfc_fcf_record_fab_name_2
, new_fcf_record
))
1068 if (fab_name
[3] != bf_get(lpfc_fcf_record_fab_name_3
, new_fcf_record
))
1070 if (fab_name
[4] != bf_get(lpfc_fcf_record_fab_name_4
, new_fcf_record
))
1072 if (fab_name
[5] != bf_get(lpfc_fcf_record_fab_name_5
, new_fcf_record
))
1074 if (fab_name
[6] != bf_get(lpfc_fcf_record_fab_name_6
, new_fcf_record
))
1076 if (fab_name
[7] != bf_get(lpfc_fcf_record_fab_name_7
, new_fcf_record
))
1082 * lpfc_sw_name_match - Check if the fcf switch name match.
1083 * @fab_name: pointer to fabric name.
1084 * @new_fcf_record: pointer to fcf record.
1086 * This routine compare the fcf record's switch name with provided
1087 * switch name. If the switch name are identical this function
1088 * returns 1 else return 0.
1091 lpfc_sw_name_match(uint8_t *sw_name
, struct fcf_record
*new_fcf_record
)
1093 if (sw_name
[0] != bf_get(lpfc_fcf_record_switch_name_0
, new_fcf_record
))
1095 if (sw_name
[1] != bf_get(lpfc_fcf_record_switch_name_1
, new_fcf_record
))
1097 if (sw_name
[2] != bf_get(lpfc_fcf_record_switch_name_2
, new_fcf_record
))
1099 if (sw_name
[3] != bf_get(lpfc_fcf_record_switch_name_3
, new_fcf_record
))
1101 if (sw_name
[4] != bf_get(lpfc_fcf_record_switch_name_4
, new_fcf_record
))
1103 if (sw_name
[5] != bf_get(lpfc_fcf_record_switch_name_5
, new_fcf_record
))
1105 if (sw_name
[6] != bf_get(lpfc_fcf_record_switch_name_6
, new_fcf_record
))
1107 if (sw_name
[7] != bf_get(lpfc_fcf_record_switch_name_7
, new_fcf_record
))
1113 * lpfc_mac_addr_match - Check if the fcf mac address match.
1114 * @mac_addr: pointer to mac address.
1115 * @new_fcf_record: pointer to fcf record.
1117 * This routine compare the fcf record's mac address with HBA's
1118 * FCF mac address. If the mac addresses are identical this function
1119 * returns 1 else return 0.
1122 lpfc_mac_addr_match(uint8_t *mac_addr
, struct fcf_record
*new_fcf_record
)
1124 if (mac_addr
[0] != bf_get(lpfc_fcf_record_mac_0
, new_fcf_record
))
1126 if (mac_addr
[1] != bf_get(lpfc_fcf_record_mac_1
, new_fcf_record
))
1128 if (mac_addr
[2] != bf_get(lpfc_fcf_record_mac_2
, new_fcf_record
))
1130 if (mac_addr
[3] != bf_get(lpfc_fcf_record_mac_3
, new_fcf_record
))
1132 if (mac_addr
[4] != bf_get(lpfc_fcf_record_mac_4
, new_fcf_record
))
1134 if (mac_addr
[5] != bf_get(lpfc_fcf_record_mac_5
, new_fcf_record
))
1140 lpfc_vlan_id_match(uint16_t curr_vlan_id
, uint16_t new_vlan_id
)
1142 return (curr_vlan_id
== new_vlan_id
);
1146 * lpfc_copy_fcf_record - Copy fcf information to lpfc_hba.
1147 * @fcf: pointer to driver fcf record.
1148 * @new_fcf_record: pointer to fcf record.
1150 * This routine copies the FCF information from the FCF
1151 * record to lpfc_hba data structure.
1154 lpfc_copy_fcf_record(struct lpfc_fcf_rec
*fcf_rec
,
1155 struct fcf_record
*new_fcf_record
)
1158 fcf_rec
->fabric_name
[0] =
1159 bf_get(lpfc_fcf_record_fab_name_0
, new_fcf_record
);
1160 fcf_rec
->fabric_name
[1] =
1161 bf_get(lpfc_fcf_record_fab_name_1
, new_fcf_record
);
1162 fcf_rec
->fabric_name
[2] =
1163 bf_get(lpfc_fcf_record_fab_name_2
, new_fcf_record
);
1164 fcf_rec
->fabric_name
[3] =
1165 bf_get(lpfc_fcf_record_fab_name_3
, new_fcf_record
);
1166 fcf_rec
->fabric_name
[4] =
1167 bf_get(lpfc_fcf_record_fab_name_4
, new_fcf_record
);
1168 fcf_rec
->fabric_name
[5] =
1169 bf_get(lpfc_fcf_record_fab_name_5
, new_fcf_record
);
1170 fcf_rec
->fabric_name
[6] =
1171 bf_get(lpfc_fcf_record_fab_name_6
, new_fcf_record
);
1172 fcf_rec
->fabric_name
[7] =
1173 bf_get(lpfc_fcf_record_fab_name_7
, new_fcf_record
);
1175 fcf_rec
->mac_addr
[0] = bf_get(lpfc_fcf_record_mac_0
, new_fcf_record
);
1176 fcf_rec
->mac_addr
[1] = bf_get(lpfc_fcf_record_mac_1
, new_fcf_record
);
1177 fcf_rec
->mac_addr
[2] = bf_get(lpfc_fcf_record_mac_2
, new_fcf_record
);
1178 fcf_rec
->mac_addr
[3] = bf_get(lpfc_fcf_record_mac_3
, new_fcf_record
);
1179 fcf_rec
->mac_addr
[4] = bf_get(lpfc_fcf_record_mac_4
, new_fcf_record
);
1180 fcf_rec
->mac_addr
[5] = bf_get(lpfc_fcf_record_mac_5
, new_fcf_record
);
1181 /* FCF record index */
1182 fcf_rec
->fcf_indx
= bf_get(lpfc_fcf_record_fcf_index
, new_fcf_record
);
1183 /* FCF record priority */
1184 fcf_rec
->priority
= new_fcf_record
->fip_priority
;
1186 fcf_rec
->switch_name
[0] =
1187 bf_get(lpfc_fcf_record_switch_name_0
, new_fcf_record
);
1188 fcf_rec
->switch_name
[1] =
1189 bf_get(lpfc_fcf_record_switch_name_1
, new_fcf_record
);
1190 fcf_rec
->switch_name
[2] =
1191 bf_get(lpfc_fcf_record_switch_name_2
, new_fcf_record
);
1192 fcf_rec
->switch_name
[3] =
1193 bf_get(lpfc_fcf_record_switch_name_3
, new_fcf_record
);
1194 fcf_rec
->switch_name
[4] =
1195 bf_get(lpfc_fcf_record_switch_name_4
, new_fcf_record
);
1196 fcf_rec
->switch_name
[5] =
1197 bf_get(lpfc_fcf_record_switch_name_5
, new_fcf_record
);
1198 fcf_rec
->switch_name
[6] =
1199 bf_get(lpfc_fcf_record_switch_name_6
, new_fcf_record
);
1200 fcf_rec
->switch_name
[7] =
1201 bf_get(lpfc_fcf_record_switch_name_7
, new_fcf_record
);
1205 * lpfc_update_fcf_record - Update driver fcf record
1206 * @phba: pointer to lpfc hba data structure.
1207 * @fcf_rec: pointer to driver fcf record.
1208 * @new_fcf_record: pointer to hba fcf record.
1209 * @addr_mode: address mode to be set to the driver fcf record.
1210 * @vlan_id: vlan tag to be set to the driver fcf record.
1211 * @flag: flag bits to be set to the driver fcf record.
1213 * This routine updates the driver FCF record from the new HBA FCF record
1214 * together with the address mode, vlan_id, and other informations. This
1215 * routine is called with the host lock held.
1218 __lpfc_update_fcf_record(struct lpfc_hba
*phba
, struct lpfc_fcf_rec
*fcf_rec
,
1219 struct fcf_record
*new_fcf_record
, uint32_t addr_mode
,
1220 uint16_t vlan_id
, uint32_t flag
)
1222 /* Copy the fields from the HBA's FCF record */
1223 lpfc_copy_fcf_record(fcf_rec
, new_fcf_record
);
1224 /* Update other fields of driver FCF record */
1225 fcf_rec
->addr_mode
= addr_mode
;
1226 fcf_rec
->vlan_id
= vlan_id
;
1227 fcf_rec
->flag
|= (flag
| RECORD_VALID
);
1231 * lpfc_register_fcf - Register the FCF with hba.
1232 * @phba: pointer to lpfc hba data structure.
1234 * This routine issues a register fcfi mailbox command to register
1238 lpfc_register_fcf(struct lpfc_hba
*phba
)
1240 LPFC_MBOXQ_t
*fcf_mbxq
;
1243 spin_lock_irq(&phba
->hbalock
);
1245 /* If the FCF is not availabe do nothing. */
1246 if (!(phba
->fcf
.fcf_flag
& FCF_AVAILABLE
)) {
1247 phba
->hba_flag
&= ~FCF_DISC_INPROGRESS
;
1248 spin_unlock_irq(&phba
->hbalock
);
1252 /* The FCF is already registered, start discovery */
1253 if (phba
->fcf
.fcf_flag
& FCF_REGISTERED
) {
1254 phba
->fcf
.fcf_flag
|= (FCF_SCAN_DONE
| FCF_IN_USE
);
1255 phba
->hba_flag
&= ~FCF_DISC_INPROGRESS
;
1256 spin_unlock_irq(&phba
->hbalock
);
1257 if (phba
->pport
->port_state
!= LPFC_FLOGI
)
1258 lpfc_initial_flogi(phba
->pport
);
1261 spin_unlock_irq(&phba
->hbalock
);
1263 fcf_mbxq
= mempool_alloc(phba
->mbox_mem_pool
,
1266 spin_lock_irq(&phba
->hbalock
);
1267 phba
->hba_flag
&= ~FCF_DISC_INPROGRESS
;
1268 spin_unlock_irq(&phba
->hbalock
);
1272 lpfc_reg_fcfi(phba
, fcf_mbxq
);
1273 fcf_mbxq
->vport
= phba
->pport
;
1274 fcf_mbxq
->mbox_cmpl
= lpfc_mbx_cmpl_reg_fcfi
;
1275 rc
= lpfc_sli_issue_mbox(phba
, fcf_mbxq
, MBX_NOWAIT
);
1276 if (rc
== MBX_NOT_FINISHED
) {
1277 spin_lock_irq(&phba
->hbalock
);
1278 phba
->hba_flag
&= ~FCF_DISC_INPROGRESS
;
1279 spin_unlock_irq(&phba
->hbalock
);
1280 mempool_free(fcf_mbxq
, phba
->mbox_mem_pool
);
1287 * lpfc_match_fcf_conn_list - Check if the FCF record can be used for discovery.
1288 * @phba: pointer to lpfc hba data structure.
1289 * @new_fcf_record: pointer to fcf record.
1290 * @boot_flag: Indicates if this record used by boot bios.
1291 * @addr_mode: The address mode to be used by this FCF
1292 * @vlan_id: The vlan id to be used as vlan tagging by this FCF.
1294 * This routine compare the fcf record with connect list obtained from the
1295 * config region to decide if this FCF can be used for SAN discovery. It returns
1296 * 1 if this record can be used for SAN discovery else return zero. If this FCF
1297 * record can be used for SAN discovery, the boot_flag will indicate if this FCF
1298 * is used by boot bios and addr_mode will indicate the addressing mode to be
1299 * used for this FCF when the function returns.
1300 * If the FCF record need to be used with a particular vlan id, the vlan is
1301 * set in the vlan_id on return of the function. If not VLAN tagging need to
1302 * be used with the FCF vlan_id will be set to LPFC_FCOE_NULL_VID;
1305 lpfc_match_fcf_conn_list(struct lpfc_hba
*phba
,
1306 struct fcf_record
*new_fcf_record
,
1307 uint32_t *boot_flag
, uint32_t *addr_mode
,
1310 struct lpfc_fcf_conn_entry
*conn_entry
;
1311 int i
, j
, fcf_vlan_id
= 0;
1313 /* Find the lowest VLAN id in the FCF record */
1314 for (i
= 0; i
< 512; i
++) {
1315 if (new_fcf_record
->vlan_bitmap
[i
]) {
1316 fcf_vlan_id
= i
* 8;
1318 while (!((new_fcf_record
->vlan_bitmap
[i
] >> j
) & 1)) {
1326 /* If FCF not available return 0 */
1327 if (!bf_get(lpfc_fcf_record_fcf_avail
, new_fcf_record
) ||
1328 !bf_get(lpfc_fcf_record_fcf_valid
, new_fcf_record
))
1331 if (!(phba
->hba_flag
& HBA_FIP_SUPPORT
)) {
1333 *addr_mode
= bf_get(lpfc_fcf_record_mac_addr_prov
,
1335 if (phba
->valid_vlan
)
1336 *vlan_id
= phba
->vlan_id
;
1338 *vlan_id
= LPFC_FCOE_NULL_VID
;
1343 * If there are no FCF connection table entry, driver connect to all
1346 if (list_empty(&phba
->fcf_conn_rec_list
)) {
1348 *addr_mode
= bf_get(lpfc_fcf_record_mac_addr_prov
,
1352 * When there are no FCF connect entries, use driver's default
1353 * addressing mode - FPMA.
1355 if (*addr_mode
& LPFC_FCF_FPMA
)
1356 *addr_mode
= LPFC_FCF_FPMA
;
1358 /* If FCF record report a vlan id use that vlan id */
1360 *vlan_id
= fcf_vlan_id
;
1362 *vlan_id
= LPFC_FCOE_NULL_VID
;
1366 list_for_each_entry(conn_entry
,
1367 &phba
->fcf_conn_rec_list
, list
) {
1368 if (!(conn_entry
->conn_rec
.flags
& FCFCNCT_VALID
))
1371 if ((conn_entry
->conn_rec
.flags
& FCFCNCT_FBNM_VALID
) &&
1372 !lpfc_fab_name_match(conn_entry
->conn_rec
.fabric_name
,
1375 if ((conn_entry
->conn_rec
.flags
& FCFCNCT_SWNM_VALID
) &&
1376 !lpfc_sw_name_match(conn_entry
->conn_rec
.switch_name
,
1379 if (conn_entry
->conn_rec
.flags
& FCFCNCT_VLAN_VALID
) {
1381 * If the vlan bit map does not have the bit set for the
1382 * vlan id to be used, then it is not a match.
1384 if (!(new_fcf_record
->vlan_bitmap
1385 [conn_entry
->conn_rec
.vlan_tag
/ 8] &
1386 (1 << (conn_entry
->conn_rec
.vlan_tag
% 8))))
1391 * If connection record does not support any addressing mode,
1392 * skip the FCF record.
1394 if (!(bf_get(lpfc_fcf_record_mac_addr_prov
, new_fcf_record
)
1395 & (LPFC_FCF_FPMA
| LPFC_FCF_SPMA
)))
1399 * Check if the connection record specifies a required
1402 if ((conn_entry
->conn_rec
.flags
& FCFCNCT_AM_VALID
) &&
1403 !(conn_entry
->conn_rec
.flags
& FCFCNCT_AM_PREFERRED
)) {
1406 * If SPMA required but FCF not support this continue.
1408 if ((conn_entry
->conn_rec
.flags
& FCFCNCT_AM_SPMA
) &&
1409 !(bf_get(lpfc_fcf_record_mac_addr_prov
,
1410 new_fcf_record
) & LPFC_FCF_SPMA
))
1414 * If FPMA required but FCF not support this continue.
1416 if (!(conn_entry
->conn_rec
.flags
& FCFCNCT_AM_SPMA
) &&
1417 !(bf_get(lpfc_fcf_record_mac_addr_prov
,
1418 new_fcf_record
) & LPFC_FCF_FPMA
))
1423 * This fcf record matches filtering criteria.
1425 if (conn_entry
->conn_rec
.flags
& FCFCNCT_BOOT
)
1431 * If user did not specify any addressing mode, or if the
1432 * prefered addressing mode specified by user is not supported
1433 * by FCF, allow fabric to pick the addressing mode.
1435 *addr_mode
= bf_get(lpfc_fcf_record_mac_addr_prov
,
1438 * If the user specified a required address mode, assign that
1441 if ((conn_entry
->conn_rec
.flags
& FCFCNCT_AM_VALID
) &&
1442 (!(conn_entry
->conn_rec
.flags
& FCFCNCT_AM_PREFERRED
)))
1443 *addr_mode
= (conn_entry
->conn_rec
.flags
&
1445 LPFC_FCF_SPMA
: LPFC_FCF_FPMA
;
1447 * If the user specified a prefered address mode, use the
1448 * addr mode only if FCF support the addr_mode.
1450 else if ((conn_entry
->conn_rec
.flags
& FCFCNCT_AM_VALID
) &&
1451 (conn_entry
->conn_rec
.flags
& FCFCNCT_AM_PREFERRED
) &&
1452 (conn_entry
->conn_rec
.flags
& FCFCNCT_AM_SPMA
) &&
1453 (*addr_mode
& LPFC_FCF_SPMA
))
1454 *addr_mode
= LPFC_FCF_SPMA
;
1455 else if ((conn_entry
->conn_rec
.flags
& FCFCNCT_AM_VALID
) &&
1456 (conn_entry
->conn_rec
.flags
& FCFCNCT_AM_PREFERRED
) &&
1457 !(conn_entry
->conn_rec
.flags
& FCFCNCT_AM_SPMA
) &&
1458 (*addr_mode
& LPFC_FCF_FPMA
))
1459 *addr_mode
= LPFC_FCF_FPMA
;
1461 /* If matching connect list has a vlan id, use it */
1462 if (conn_entry
->conn_rec
.flags
& FCFCNCT_VLAN_VALID
)
1463 *vlan_id
= conn_entry
->conn_rec
.vlan_tag
;
1465 * If no vlan id is specified in connect list, use the vlan id
1468 else if (fcf_vlan_id
)
1469 *vlan_id
= fcf_vlan_id
;
1471 *vlan_id
= LPFC_FCOE_NULL_VID
;
1480 * lpfc_check_pending_fcoe_event - Check if there is pending fcoe event.
1481 * @phba: pointer to lpfc hba data structure.
1482 * @unreg_fcf: Unregister FCF if FCF table need to be re-scaned.
1484 * This function check if there is any fcoe event pending while driver
1485 * scan FCF entries. If there is any pending event, it will restart the
1486 * FCF saning and return 1 else return 0.
1489 lpfc_check_pending_fcoe_event(struct lpfc_hba
*phba
, uint8_t unreg_fcf
)
1492 * If the Link is up and no FCoE events while in the
1493 * FCF discovery, no need to restart FCF discovery.
1495 if ((phba
->link_state
>= LPFC_LINK_UP
) &&
1496 (phba
->fcoe_eventtag
== phba
->fcoe_eventtag_at_fcf_scan
))
1499 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
1500 "2768 Pending link or FCF event during current "
1501 "handling of the previous event: link_state:x%x, "
1502 "evt_tag_at_scan:x%x, evt_tag_current:x%x\n",
1503 phba
->link_state
, phba
->fcoe_eventtag_at_fcf_scan
,
1504 phba
->fcoe_eventtag
);
1506 spin_lock_irq(&phba
->hbalock
);
1507 phba
->fcf
.fcf_flag
&= ~FCF_AVAILABLE
;
1508 spin_unlock_irq(&phba
->hbalock
);
1510 if (phba
->link_state
>= LPFC_LINK_UP
) {
1511 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
1512 "2780 Restart FCF table scan due to "
1513 "pending FCF event:evt_tag_at_scan:x%x, "
1514 "evt_tag_current:x%x\n",
1515 phba
->fcoe_eventtag_at_fcf_scan
,
1516 phba
->fcoe_eventtag
);
1517 lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
1520 * Do not continue FCF discovery and clear FCF_DISC_INPROGRESS
1523 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
1524 "2833 Stop FCF discovery process due to link "
1525 "state change (x%x)\n", phba
->link_state
);
1526 spin_lock_irq(&phba
->hbalock
);
1527 phba
->hba_flag
&= ~FCF_DISC_INPROGRESS
;
1528 phba
->fcf
.fcf_flag
&= ~(FCF_REDISC_FOV
| FCF_DISCOVERY
);
1529 spin_unlock_irq(&phba
->hbalock
);
1532 /* Unregister the currently registered FCF if required */
1534 spin_lock_irq(&phba
->hbalock
);
1535 phba
->fcf
.fcf_flag
&= ~FCF_REGISTERED
;
1536 spin_unlock_irq(&phba
->hbalock
);
1537 lpfc_sli4_unregister_fcf(phba
);
1543 * lpfc_sli4_new_fcf_random_select - Randomly select an eligible new fcf record
1544 * @phba: pointer to lpfc hba data structure.
1545 * @fcf_cnt: number of eligible fcf record seen so far.
1547 * This function makes an running random selection decision on FCF record to
1548 * use through a sequence of @fcf_cnt eligible FCF records with equal
1549 * probability. To perform integer manunipulation of random numbers with
1550 * size unit32_t, the lower 16 bits of the 32-bit random number returned
1551 * from random32() are taken as the random random number generated.
1553 * Returns true when outcome is for the newly read FCF record should be
1554 * chosen; otherwise, return false when outcome is for keeping the previously
1555 * chosen FCF record.
1558 lpfc_sli4_new_fcf_random_select(struct lpfc_hba
*phba
, uint32_t fcf_cnt
)
1562 /* Get 16-bit uniform random number */
1563 rand_num
= (0xFFFF & random32());
1565 /* Decision with probability 1/fcf_cnt */
1566 if ((fcf_cnt
* rand_num
) < 0xFFFF)
1573 * lpfc_sli4_fcf_rec_mbox_parse - Parse read_fcf mbox command.
1574 * @phba: pointer to lpfc hba data structure.
1575 * @mboxq: pointer to mailbox object.
1576 * @next_fcf_index: pointer to holder of next fcf index.
1578 * This routine parses the non-embedded fcf mailbox command by performing the
1579 * necessarily error checking, non-embedded read FCF record mailbox command
1580 * SGE parsing, and endianness swapping.
1582 * Returns the pointer to the new FCF record in the non-embedded mailbox
1583 * command DMA memory if successfully, other NULL.
1585 static struct fcf_record
*
1586 lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
,
1587 uint16_t *next_fcf_index
)
1590 dma_addr_t phys_addr
;
1591 struct lpfc_mbx_sge sge
;
1592 struct lpfc_mbx_read_fcf_tbl
*read_fcf
;
1593 uint32_t shdr_status
, shdr_add_status
;
1594 union lpfc_sli4_cfg_shdr
*shdr
;
1595 struct fcf_record
*new_fcf_record
;
1597 /* Get the first SGE entry from the non-embedded DMA memory. This
1598 * routine only uses a single SGE.
1600 lpfc_sli4_mbx_sge_get(mboxq
, 0, &sge
);
1601 phys_addr
= getPaddr(sge
.pa_hi
, sge
.pa_lo
);
1602 if (unlikely(!mboxq
->sge_array
)) {
1603 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1604 "2524 Failed to get the non-embedded SGE "
1605 "virtual address\n");
1608 virt_addr
= mboxq
->sge_array
->addr
[0];
1610 shdr
= (union lpfc_sli4_cfg_shdr
*)virt_addr
;
1611 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
1612 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
1613 if (shdr_status
|| shdr_add_status
) {
1614 if (shdr_status
== STATUS_FCF_TABLE_EMPTY
)
1615 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
1616 "2726 READ_FCF_RECORD Indicates empty "
1619 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
1620 "2521 READ_FCF_RECORD mailbox failed "
1621 "with status x%x add_status x%x, "
1622 "mbx\n", shdr_status
, shdr_add_status
);
1626 /* Interpreting the returned information of the FCF record */
1627 read_fcf
= (struct lpfc_mbx_read_fcf_tbl
*)virt_addr
;
1628 lpfc_sli_pcimem_bcopy(read_fcf
, read_fcf
,
1629 sizeof(struct lpfc_mbx_read_fcf_tbl
));
1630 *next_fcf_index
= bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx
, read_fcf
);
1631 new_fcf_record
= (struct fcf_record
*)(virt_addr
+
1632 sizeof(struct lpfc_mbx_read_fcf_tbl
));
1633 lpfc_sli_pcimem_bcopy(new_fcf_record
, new_fcf_record
,
1634 offsetof(struct fcf_record
, vlan_bitmap
));
1635 new_fcf_record
->word137
= le32_to_cpu(new_fcf_record
->word137
);
1636 new_fcf_record
->word138
= le32_to_cpu(new_fcf_record
->word138
);
1638 return new_fcf_record
;
1642 * lpfc_sli4_log_fcf_record_info - Log the information of a fcf record
1643 * @phba: pointer to lpfc hba data structure.
1644 * @fcf_record: pointer to the fcf record.
1645 * @vlan_id: the lowest vlan identifier associated to this fcf record.
1646 * @next_fcf_index: the index to the next fcf record in hba's fcf table.
1648 * This routine logs the detailed FCF record if the LOG_FIP loggin is
1652 lpfc_sli4_log_fcf_record_info(struct lpfc_hba
*phba
,
1653 struct fcf_record
*fcf_record
,
1655 uint16_t next_fcf_index
)
1657 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
1658 "2764 READ_FCF_RECORD:\n"
1659 "\tFCF_Index : x%x\n"
1660 "\tFCF_Avail : x%x\n"
1661 "\tFCF_Valid : x%x\n"
1662 "\tFIP_Priority : x%x\n"
1663 "\tMAC_Provider : x%x\n"
1664 "\tLowest VLANID : x%x\n"
1665 "\tFCF_MAC Addr : x%x:%x:%x:%x:%x:%x\n"
1666 "\tFabric_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n"
1667 "\tSwitch_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n"
1668 "\tNext_FCF_Index: x%x\n",
1669 bf_get(lpfc_fcf_record_fcf_index
, fcf_record
),
1670 bf_get(lpfc_fcf_record_fcf_avail
, fcf_record
),
1671 bf_get(lpfc_fcf_record_fcf_valid
, fcf_record
),
1672 fcf_record
->fip_priority
,
1673 bf_get(lpfc_fcf_record_mac_addr_prov
, fcf_record
),
1675 bf_get(lpfc_fcf_record_mac_0
, fcf_record
),
1676 bf_get(lpfc_fcf_record_mac_1
, fcf_record
),
1677 bf_get(lpfc_fcf_record_mac_2
, fcf_record
),
1678 bf_get(lpfc_fcf_record_mac_3
, fcf_record
),
1679 bf_get(lpfc_fcf_record_mac_4
, fcf_record
),
1680 bf_get(lpfc_fcf_record_mac_5
, fcf_record
),
1681 bf_get(lpfc_fcf_record_fab_name_0
, fcf_record
),
1682 bf_get(lpfc_fcf_record_fab_name_1
, fcf_record
),
1683 bf_get(lpfc_fcf_record_fab_name_2
, fcf_record
),
1684 bf_get(lpfc_fcf_record_fab_name_3
, fcf_record
),
1685 bf_get(lpfc_fcf_record_fab_name_4
, fcf_record
),
1686 bf_get(lpfc_fcf_record_fab_name_5
, fcf_record
),
1687 bf_get(lpfc_fcf_record_fab_name_6
, fcf_record
),
1688 bf_get(lpfc_fcf_record_fab_name_7
, fcf_record
),
1689 bf_get(lpfc_fcf_record_switch_name_0
, fcf_record
),
1690 bf_get(lpfc_fcf_record_switch_name_1
, fcf_record
),
1691 bf_get(lpfc_fcf_record_switch_name_2
, fcf_record
),
1692 bf_get(lpfc_fcf_record_switch_name_3
, fcf_record
),
1693 bf_get(lpfc_fcf_record_switch_name_4
, fcf_record
),
1694 bf_get(lpfc_fcf_record_switch_name_5
, fcf_record
),
1695 bf_get(lpfc_fcf_record_switch_name_6
, fcf_record
),
1696 bf_get(lpfc_fcf_record_switch_name_7
, fcf_record
),
1701 lpfc_sli4_fcf_record_match - testing new FCF record for matching existing FCF
1702 * @phba: pointer to lpfc hba data structure.
1703 * @fcf_rec: pointer to an existing FCF record.
1704 * @new_fcf_record: pointer to a new FCF record.
1705 * @new_vlan_id: vlan id from the new FCF record.
1707 * This function performs matching test of a new FCF record against an existing
1708 * FCF record. If the new_vlan_id passed in is LPFC_FCOE_IGNORE_VID, vlan id
1709 * will not be used as part of the FCF record matching criteria.
1711 * Returns true if all the fields matching, otherwise returns false.
1714 lpfc_sli4_fcf_record_match(struct lpfc_hba
*phba
,
1715 struct lpfc_fcf_rec
*fcf_rec
,
1716 struct fcf_record
*new_fcf_record
,
1717 uint16_t new_vlan_id
)
1719 if (new_vlan_id
!= LPFC_FCOE_IGNORE_VID
)
1720 if (!lpfc_vlan_id_match(fcf_rec
->vlan_id
, new_vlan_id
))
1722 if (!lpfc_mac_addr_match(fcf_rec
->mac_addr
, new_fcf_record
))
1724 if (!lpfc_sw_name_match(fcf_rec
->switch_name
, new_fcf_record
))
1726 if (!lpfc_fab_name_match(fcf_rec
->fabric_name
, new_fcf_record
))
1732 * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler.
1733 * @phba: pointer to lpfc hba data structure.
1734 * @mboxq: pointer to mailbox object.
1736 * This function iterates through all the fcf records available in
1737 * HBA and chooses the optimal FCF record for discovery. After finding
1738 * the FCF for discovery it registers the FCF record and kicks start
1740 * If FCF_IN_USE flag is set in currently used FCF, the routine tries to
1741 * use an FCF record which matches fabric name and mac address of the
1742 * currently used FCF record.
1743 * If the driver supports only one FCF, it will try to use the FCF record
1744 * used by BOOT_BIOS.
1747 lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
1749 struct fcf_record
*new_fcf_record
;
1750 uint32_t boot_flag
, addr_mode
;
1751 uint16_t fcf_index
, next_fcf_index
;
1752 struct lpfc_fcf_rec
*fcf_rec
= NULL
;
1755 bool select_new_fcf
;
1758 /* If there is pending FCoE event restart FCF table scan */
1759 if (lpfc_check_pending_fcoe_event(phba
, 0)) {
1760 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
1764 /* Parse the FCF record from the non-embedded mailbox command */
1765 new_fcf_record
= lpfc_sli4_fcf_rec_mbox_parse(phba
, mboxq
,
1767 if (!new_fcf_record
) {
1768 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
1769 "2765 Mailbox command READ_FCF_RECORD "
1770 "failed to retrieve a FCF record.\n");
1771 /* Let next new FCF event trigger fast failover */
1772 spin_lock_irq(&phba
->hbalock
);
1773 phba
->hba_flag
&= ~FCF_DISC_INPROGRESS
;
1774 spin_unlock_irq(&phba
->hbalock
);
1775 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
1779 /* Check the FCF record against the connection list */
1780 rc
= lpfc_match_fcf_conn_list(phba
, new_fcf_record
, &boot_flag
,
1781 &addr_mode
, &vlan_id
);
1783 /* Log the FCF record information if turned on */
1784 lpfc_sli4_log_fcf_record_info(phba
, new_fcf_record
, vlan_id
,
1788 * If the fcf record does not match with connect list entries
1789 * read the next entry; otherwise, this is an eligible FCF
1790 * record for round robin FCF failover.
1793 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
1794 "2781 FCF record (x%x) failed FCF "
1795 "connection list check, fcf_avail:x%x, "
1797 bf_get(lpfc_fcf_record_fcf_index
,
1799 bf_get(lpfc_fcf_record_fcf_avail
,
1801 bf_get(lpfc_fcf_record_fcf_valid
,
1803 if ((phba
->fcf
.fcf_flag
& FCF_IN_USE
) &&
1804 lpfc_sli4_fcf_record_match(phba
, &phba
->fcf
.current_rec
,
1805 new_fcf_record
, LPFC_FCOE_IGNORE_VID
)) {
1807 * In case the current in-use FCF record becomes
1808 * invalid/unavailable during FCF discovery that
1809 * was not triggered by fast FCF failover process,
1810 * treat it as fast FCF failover.
1812 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
) &&
1813 !(phba
->fcf
.fcf_flag
& FCF_REDISC_FOV
)) {
1814 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
1815 "2835 Invalid in-use FCF "
1816 "record (x%x) reported, "
1817 "entering fast FCF failover "
1819 phba
->fcf
.current_rec
.fcf_indx
);
1820 spin_lock_irq(&phba
->hbalock
);
1821 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
1822 spin_unlock_irq(&phba
->hbalock
);
1823 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
1824 lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
1825 LPFC_FCOE_FCF_GET_FIRST
);
1831 fcf_index
= bf_get(lpfc_fcf_record_fcf_index
, new_fcf_record
);
1832 rc
= lpfc_sli4_fcf_rr_index_set(phba
, fcf_index
);
1838 * If this is not the first FCF discovery of the HBA, use last
1839 * FCF record for the discovery. The condition that a rescan
1840 * matches the in-use FCF record: fabric name, switch name, mac
1841 * address, and vlan_id.
1843 spin_lock_irq(&phba
->hbalock
);
1844 if (phba
->fcf
.fcf_flag
& FCF_IN_USE
) {
1845 if (lpfc_sli4_fcf_record_match(phba
, &phba
->fcf
.current_rec
,
1846 new_fcf_record
, vlan_id
)) {
1847 phba
->fcf
.fcf_flag
|= FCF_AVAILABLE
;
1848 if (phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)
1849 /* Stop FCF redisc wait timer if pending */
1850 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
1851 else if (phba
->fcf
.fcf_flag
& FCF_REDISC_FOV
)
1852 /* If in fast failover, mark it's completed */
1853 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_FOV
;
1854 spin_unlock_irq(&phba
->hbalock
);
1855 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
1856 "2836 The new FCF record (x%x) "
1857 "matches the in-use FCF record "
1859 phba
->fcf
.current_rec
.fcf_indx
,
1860 bf_get(lpfc_fcf_record_fcf_index
,
1865 * Read next FCF record from HBA searching for the matching
1866 * with in-use record only if not during the fast failover
1867 * period. In case of fast failover period, it shall try to
1868 * determine whether the FCF record just read should be the
1871 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_FOV
)) {
1872 spin_unlock_irq(&phba
->hbalock
);
1877 * Update on failover FCF record only if it's in FCF fast-failover
1878 * period; otherwise, update on current FCF record.
1880 if (phba
->fcf
.fcf_flag
& FCF_REDISC_FOV
)
1881 fcf_rec
= &phba
->fcf
.failover_rec
;
1883 fcf_rec
= &phba
->fcf
.current_rec
;
1885 if (phba
->fcf
.fcf_flag
& FCF_AVAILABLE
) {
1887 * If the driver FCF record does not have boot flag
1888 * set and new hba fcf record has boot flag set, use
1889 * the new hba fcf record.
1891 if (boot_flag
&& !(fcf_rec
->flag
& BOOT_ENABLE
)) {
1892 /* Choose this FCF record */
1893 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
1894 "2837 Update current FCF record "
1895 "(x%x) with new FCF record (x%x)\n",
1897 bf_get(lpfc_fcf_record_fcf_index
,
1899 __lpfc_update_fcf_record(phba
, fcf_rec
, new_fcf_record
,
1900 addr_mode
, vlan_id
, BOOT_ENABLE
);
1901 spin_unlock_irq(&phba
->hbalock
);
1905 * If the driver FCF record has boot flag set and the
1906 * new hba FCF record does not have boot flag, read
1907 * the next FCF record.
1909 if (!boot_flag
&& (fcf_rec
->flag
& BOOT_ENABLE
)) {
1910 spin_unlock_irq(&phba
->hbalock
);
1914 * If the new hba FCF record has lower priority value
1915 * than the driver FCF record, use the new record.
1917 if (new_fcf_record
->fip_priority
< fcf_rec
->priority
) {
1918 /* Choose the new FCF record with lower priority */
1919 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
1920 "2838 Update current FCF record "
1921 "(x%x) with new FCF record (x%x)\n",
1923 bf_get(lpfc_fcf_record_fcf_index
,
1925 __lpfc_update_fcf_record(phba
, fcf_rec
, new_fcf_record
,
1926 addr_mode
, vlan_id
, 0);
1927 /* Reset running random FCF selection count */
1928 phba
->fcf
.eligible_fcf_cnt
= 1;
1929 } else if (new_fcf_record
->fip_priority
== fcf_rec
->priority
) {
1930 /* Update running random FCF selection count */
1931 phba
->fcf
.eligible_fcf_cnt
++;
1932 select_new_fcf
= lpfc_sli4_new_fcf_random_select(phba
,
1933 phba
->fcf
.eligible_fcf_cnt
);
1934 if (select_new_fcf
) {
1935 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
1936 "2839 Update current FCF record "
1937 "(x%x) with new FCF record (x%x)\n",
1939 bf_get(lpfc_fcf_record_fcf_index
,
1941 /* Choose the new FCF by random selection */
1942 __lpfc_update_fcf_record(phba
, fcf_rec
,
1944 addr_mode
, vlan_id
, 0);
1947 spin_unlock_irq(&phba
->hbalock
);
1951 * This is the first suitable FCF record, choose this record for
1952 * initial best-fit FCF.
1955 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
1956 "2840 Update current FCF record "
1957 "with initial FCF record (x%x)\n",
1958 bf_get(lpfc_fcf_record_fcf_index
,
1960 __lpfc_update_fcf_record(phba
, fcf_rec
, new_fcf_record
,
1961 addr_mode
, vlan_id
, (boot_flag
?
1963 phba
->fcf
.fcf_flag
|= FCF_AVAILABLE
;
1964 /* Setup initial running random FCF selection count */
1965 phba
->fcf
.eligible_fcf_cnt
= 1;
1966 /* Seeding the random number generator for random selection */
1967 seed
= (uint32_t)(0xFFFFFFFF & jiffies
);
1970 spin_unlock_irq(&phba
->hbalock
);
1974 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
1975 if (next_fcf_index
== LPFC_FCOE_FCF_NEXT_NONE
|| next_fcf_index
== 0) {
1976 if (phba
->fcf
.fcf_flag
& FCF_REDISC_FOV
) {
1978 * Case of FCF fast failover scan
1982 * It has not found any suitable FCF record, cancel
1983 * FCF scan inprogress, and do nothing
1985 if (!(phba
->fcf
.failover_rec
.flag
& RECORD_VALID
)) {
1986 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
1987 "2782 No suitable FCF record "
1988 "found during this round of "
1989 "post FCF rediscovery scan: "
1990 "fcf_evt_tag:x%x, fcf_index: "
1992 phba
->fcoe_eventtag_at_fcf_scan
,
1993 bf_get(lpfc_fcf_record_fcf_index
,
1996 * Let next new FCF event trigger fast
1999 spin_lock_irq(&phba
->hbalock
);
2000 phba
->hba_flag
&= ~FCF_DISC_INPROGRESS
;
2001 spin_unlock_irq(&phba
->hbalock
);
2005 * It has found a suitable FCF record that is not
2006 * the same as in-use FCF record, unregister the
2007 * in-use FCF record, replace the in-use FCF record
2008 * with the new FCF record, mark FCF fast failover
2009 * completed, and then start register the new FCF
2013 /* Unregister the current in-use FCF record */
2014 lpfc_unregister_fcf(phba
);
2016 /* Replace in-use record with the new record */
2017 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2018 "2842 Replace the current in-use "
2019 "FCF record (x%x) with failover FCF "
2021 phba
->fcf
.current_rec
.fcf_indx
,
2022 phba
->fcf
.failover_rec
.fcf_indx
);
2023 memcpy(&phba
->fcf
.current_rec
,
2024 &phba
->fcf
.failover_rec
,
2025 sizeof(struct lpfc_fcf_rec
));
2027 * Mark the fast FCF failover rediscovery completed
2028 * and the start of the first round of the roundrobin
2031 spin_lock_irq(&phba
->hbalock
);
2032 phba
->fcf
.fcf_flag
&=
2033 ~(FCF_REDISC_FOV
| FCF_REDISC_RRU
);
2034 spin_unlock_irq(&phba
->hbalock
);
2036 * Set up the initial registered FCF index for FLOGI
2037 * round robin FCF failover.
2039 phba
->fcf
.fcf_rr_init_indx
=
2040 phba
->fcf
.failover_rec
.fcf_indx
;
2041 /* Register to the new FCF record */
2042 lpfc_register_fcf(phba
);
2045 * In case of transaction period to fast FCF failover,
2046 * do nothing when search to the end of the FCF table.
2048 if ((phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) ||
2049 (phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
))
2052 if (phba
->fcf
.fcf_flag
& FCF_IN_USE
) {
2054 * In case the current in-use FCF record no
2055 * longer existed during FCF discovery that
2056 * was not triggered by fast FCF failover
2057 * process, treat it as fast FCF failover.
2059 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2060 "2841 In-use FCF record (x%x) "
2061 "not reported, entering fast "
2062 "FCF failover mode scanning.\n",
2063 phba
->fcf
.current_rec
.fcf_indx
);
2064 spin_lock_irq(&phba
->hbalock
);
2065 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
2066 spin_unlock_irq(&phba
->hbalock
);
2067 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
2068 lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
2069 LPFC_FCOE_FCF_GET_FIRST
);
2074 * Otherwise, initial scan or post linkdown rescan,
2075 * register with the best FCF record found so far
2076 * through the FCF scanning process.
2080 * Mark the initial FCF discovery completed and
2081 * the start of the first round of the roundrobin
2084 spin_lock_irq(&phba
->hbalock
);
2085 phba
->fcf
.fcf_flag
&=
2086 ~(FCF_INIT_DISC
| FCF_REDISC_RRU
);
2087 spin_unlock_irq(&phba
->hbalock
);
2089 * Set up the initial registered FCF index for FLOGI
2090 * round robin FCF failover
2092 phba
->fcf
.fcf_rr_init_indx
=
2093 phba
->fcf
.current_rec
.fcf_indx
;
2094 /* Register to the new FCF record */
2095 lpfc_register_fcf(phba
);
2098 lpfc_sli4_fcf_scan_read_fcf_rec(phba
, next_fcf_index
);
2102 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
2103 lpfc_register_fcf(phba
);
2109 * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf round robin read_fcf mbox cmpl hdler
2110 * @phba: pointer to lpfc hba data structure.
2111 * @mboxq: pointer to mailbox object.
2113 * This is the callback function for FLOGI failure round robin FCF failover
2114 * read FCF record mailbox command from the eligible FCF record bmask for
2115 * performing the failover. If the FCF read back is not valid/available, it
2116 * fails through to retrying FLOGI to the currently registered FCF again.
2117 * Otherwise, if the FCF read back is valid and available, it will set the
2118 * newly read FCF record to the failover FCF record, unregister currently
2119 * registered FCF record, copy the failover FCF record to the current
2120 * FCF record, and then register the current FCF record before proceeding
2121 * to trying FLOGI on the new failover FCF.
2124 lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
2126 struct fcf_record
*new_fcf_record
;
2127 uint32_t boot_flag
, addr_mode
;
2128 uint16_t next_fcf_index
;
2129 uint16_t current_fcf_index
;
2132 /* If link state is not up, stop the round robin failover process */
2133 if (phba
->link_state
< LPFC_LINK_UP
) {
2134 spin_lock_irq(&phba
->hbalock
);
2135 phba
->fcf
.fcf_flag
&= ~FCF_DISCOVERY
;
2136 spin_unlock_irq(&phba
->hbalock
);
2137 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
2141 /* Parse the FCF record from the non-embedded mailbox command */
2142 new_fcf_record
= lpfc_sli4_fcf_rec_mbox_parse(phba
, mboxq
,
2144 if (!new_fcf_record
) {
2145 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
2146 "2766 Mailbox command READ_FCF_RECORD "
2147 "failed to retrieve a FCF record.\n");
2151 /* Get the needed parameters from FCF record */
2152 lpfc_match_fcf_conn_list(phba
, new_fcf_record
, &boot_flag
,
2153 &addr_mode
, &vlan_id
);
2155 /* Log the FCF record information if turned on */
2156 lpfc_sli4_log_fcf_record_info(phba
, new_fcf_record
, vlan_id
,
2159 /* Upload new FCF record to the failover FCF record */
2160 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2161 "2834 Update the current FCF record (x%x) "
2162 "with the next FCF record (x%x)\n",
2163 phba
->fcf
.failover_rec
.fcf_indx
,
2164 bf_get(lpfc_fcf_record_fcf_index
, new_fcf_record
));
2165 spin_lock_irq(&phba
->hbalock
);
2166 __lpfc_update_fcf_record(phba
, &phba
->fcf
.failover_rec
,
2167 new_fcf_record
, addr_mode
, vlan_id
,
2168 (boot_flag
? BOOT_ENABLE
: 0));
2169 spin_unlock_irq(&phba
->hbalock
);
2171 current_fcf_index
= phba
->fcf
.current_rec
.fcf_indx
;
2173 /* Unregister the current in-use FCF record */
2174 lpfc_unregister_fcf(phba
);
2176 /* Replace in-use record with the new record */
2177 memcpy(&phba
->fcf
.current_rec
, &phba
->fcf
.failover_rec
,
2178 sizeof(struct lpfc_fcf_rec
));
2180 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2181 "2783 FLOGI round robin FCF failover from FCF "
2182 "(x%x) to FCF (x%x).\n",
2184 bf_get(lpfc_fcf_record_fcf_index
, new_fcf_record
));
2187 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
2188 lpfc_register_fcf(phba
);
2192 * lpfc_mbx_cmpl_read_fcf_rec - read fcf completion handler.
2193 * @phba: pointer to lpfc hba data structure.
2194 * @mboxq: pointer to mailbox object.
2196 * This is the callback function of read FCF record mailbox command for
2197 * updating the eligible FCF bmask for FLOGI failure round robin FCF
2198 * failover when a new FCF event happened. If the FCF read back is
2199 * valid/available and it passes the connection list check, it updates
2200 * the bmask for the eligible FCF record for round robin failover.
2203 lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
2205 struct fcf_record
*new_fcf_record
;
2206 uint32_t boot_flag
, addr_mode
;
2207 uint16_t fcf_index
, next_fcf_index
;
2211 /* If link state is not up, no need to proceed */
2212 if (phba
->link_state
< LPFC_LINK_UP
)
2215 /* If FCF discovery period is over, no need to proceed */
2216 if (!(phba
->fcf
.fcf_flag
& FCF_DISCOVERY
))
2219 /* Parse the FCF record from the non-embedded mailbox command */
2220 new_fcf_record
= lpfc_sli4_fcf_rec_mbox_parse(phba
, mboxq
,
2222 if (!new_fcf_record
) {
2223 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
2224 "2767 Mailbox command READ_FCF_RECORD "
2225 "failed to retrieve a FCF record.\n");
2229 /* Check the connection list for eligibility */
2230 rc
= lpfc_match_fcf_conn_list(phba
, new_fcf_record
, &boot_flag
,
2231 &addr_mode
, &vlan_id
);
2233 /* Log the FCF record information if turned on */
2234 lpfc_sli4_log_fcf_record_info(phba
, new_fcf_record
, vlan_id
,
2240 /* Update the eligible FCF record index bmask */
2241 fcf_index
= bf_get(lpfc_fcf_record_fcf_index
, new_fcf_record
);
2242 rc
= lpfc_sli4_fcf_rr_index_set(phba
, fcf_index
);
2245 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
2249 * lpfc_init_vpi_cmpl - Completion handler for init_vpi mbox command.
2250 * @phba: pointer to lpfc hba data structure.
2251 * @mboxq: pointer to mailbox data structure.
2253 * This function handles completion of init vpi mailbox command.
2256 lpfc_init_vpi_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
2258 struct lpfc_vport
*vport
= mboxq
->vport
;
2259 struct lpfc_nodelist
*ndlp
;
2260 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2262 if (mboxq
->u
.mb
.mbxStatus
) {
2263 lpfc_printf_vlog(vport
, KERN_ERR
,
2265 "2609 Init VPI mailbox failed 0x%x\n",
2266 mboxq
->u
.mb
.mbxStatus
);
2267 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2268 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
2271 spin_lock_irq(shost
->host_lock
);
2272 vport
->fc_flag
&= ~FC_VPORT_NEEDS_INIT_VPI
;
2273 spin_unlock_irq(shost
->host_lock
);
2275 /* If this port is physical port or FDISC is done, do reg_vpi */
2276 if ((phba
->pport
== vport
) || (vport
->port_state
== LPFC_FDISC
)) {
2277 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
2279 lpfc_printf_vlog(vport
, KERN_ERR
,
2281 "2731 Cannot find fabric "
2282 "controller node\n");
2284 lpfc_register_new_vport(phba
, vport
, ndlp
);
2285 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2289 if (phba
->link_flag
& LS_NPIV_FAB_SUPPORTED
)
2290 lpfc_initial_fdisc(vport
);
2292 lpfc_vport_set_state(vport
, FC_VPORT_NO_FABRIC_SUPP
);
2293 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_ELS
,
2294 "2606 No NPIV Fabric support\n");
2296 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2301 * lpfc_issue_init_vpi - Issue init_vpi mailbox command.
2302 * @vport: pointer to lpfc_vport data structure.
2304 * This function issue a init_vpi mailbox command to initialize
2305 * VPI for the vport.
2308 lpfc_issue_init_vpi(struct lpfc_vport
*vport
)
2310 LPFC_MBOXQ_t
*mboxq
;
2313 mboxq
= mempool_alloc(vport
->phba
->mbox_mem_pool
, GFP_KERNEL
);
2315 lpfc_printf_vlog(vport
, KERN_ERR
,
2316 LOG_MBOX
, "2607 Failed to allocate "
2317 "init_vpi mailbox\n");
2320 lpfc_init_vpi(vport
->phba
, mboxq
, vport
->vpi
);
2321 mboxq
->vport
= vport
;
2322 mboxq
->mbox_cmpl
= lpfc_init_vpi_cmpl
;
2323 rc
= lpfc_sli_issue_mbox(vport
->phba
, mboxq
, MBX_NOWAIT
);
2324 if (rc
== MBX_NOT_FINISHED
) {
2325 lpfc_printf_vlog(vport
, KERN_ERR
,
2326 LOG_MBOX
, "2608 Failed to issue init_vpi mailbox\n");
2327 mempool_free(mboxq
, vport
->phba
->mbox_mem_pool
);
2332 * lpfc_start_fdiscs - send fdiscs for each vports on this port.
2333 * @phba: pointer to lpfc hba data structure.
2335 * This function loops through the list of vports on the @phba and issues an
2336 * FDISC if possible.
2339 lpfc_start_fdiscs(struct lpfc_hba
*phba
)
2341 struct lpfc_vport
**vports
;
2344 vports
= lpfc_create_vport_work_array(phba
);
2345 if (vports
!= NULL
) {
2346 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2347 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
2349 /* There are no vpi for this vport */
2350 if (vports
[i
]->vpi
> phba
->max_vpi
) {
2351 lpfc_vport_set_state(vports
[i
],
2355 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
2356 lpfc_vport_set_state(vports
[i
],
2360 if (vports
[i
]->fc_flag
& FC_VPORT_NEEDS_INIT_VPI
) {
2361 lpfc_issue_init_vpi(vports
[i
]);
2364 if (phba
->link_flag
& LS_NPIV_FAB_SUPPORTED
)
2365 lpfc_initial_fdisc(vports
[i
]);
2367 lpfc_vport_set_state(vports
[i
],
2368 FC_VPORT_NO_FABRIC_SUPP
);
2369 lpfc_printf_vlog(vports
[i
], KERN_ERR
,
2372 "Fabric support\n");
2376 lpfc_destroy_vport_work_array(phba
, vports
);
2380 lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
2382 struct lpfc_dmabuf
*dmabuf
= mboxq
->context1
;
2383 struct lpfc_vport
*vport
= mboxq
->vport
;
2384 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2386 if (mboxq
->u
.mb
.mbxStatus
) {
2387 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
2388 "2018 REG_VFI mbxStatus error x%x "
2390 mboxq
->u
.mb
.mbxStatus
, vport
->port_state
);
2391 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
2392 /* FLOGI failed, use loop map to make discovery list */
2393 lpfc_disc_list_loopmap(vport
);
2394 /* Start discovery */
2395 lpfc_disc_start(vport
);
2398 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
2401 /* The VPI is implicitly registered when the VFI is registered */
2402 spin_lock_irq(shost
->host_lock
);
2403 vport
->vpi_state
|= LPFC_VPI_REGISTERED
;
2404 vport
->fc_flag
|= FC_VFI_REGISTERED
;
2405 vport
->fc_flag
&= ~FC_VPORT_NEEDS_REG_VPI
;
2406 spin_unlock_irq(shost
->host_lock
);
2408 if (vport
->port_state
== LPFC_FABRIC_CFG_LINK
) {
2409 lpfc_start_fdiscs(phba
);
2410 lpfc_do_scr_ns_plogi(phba
, vport
);
2414 mempool_free(mboxq
, phba
->mbox_mem_pool
);
2415 lpfc_mbuf_free(phba
, dmabuf
->virt
, dmabuf
->phys
);
2421 lpfc_mbx_cmpl_read_sparam(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
2423 MAILBOX_t
*mb
= &pmb
->u
.mb
;
2424 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
2425 struct lpfc_vport
*vport
= pmb
->vport
;
2428 /* Check for error */
2429 if (mb
->mbxStatus
) {
2430 /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */
2431 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
2432 "0319 READ_SPARAM mbxStatus error x%x "
2434 mb
->mbxStatus
, vport
->port_state
);
2435 lpfc_linkdown(phba
);
2439 memcpy((uint8_t *) &vport
->fc_sparam
, (uint8_t *) mp
->virt
,
2440 sizeof (struct serv_parm
));
2441 if (phba
->cfg_soft_wwnn
)
2442 u64_to_wwn(phba
->cfg_soft_wwnn
,
2443 vport
->fc_sparam
.nodeName
.u
.wwn
);
2444 if (phba
->cfg_soft_wwpn
)
2445 u64_to_wwn(phba
->cfg_soft_wwpn
,
2446 vport
->fc_sparam
.portName
.u
.wwn
);
2447 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
2448 sizeof(vport
->fc_nodename
));
2449 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
2450 sizeof(vport
->fc_portname
));
2451 if (vport
->port_type
== LPFC_PHYSICAL_PORT
) {
2452 memcpy(&phba
->wwnn
, &vport
->fc_nodename
, sizeof(phba
->wwnn
));
2453 memcpy(&phba
->wwpn
, &vport
->fc_portname
, sizeof(phba
->wwnn
));
2456 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2458 mempool_free(pmb
, phba
->mbox_mem_pool
);
2462 pmb
->context1
= NULL
;
2463 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2465 lpfc_issue_clear_la(phba
, vport
);
2466 mempool_free(pmb
, phba
->mbox_mem_pool
);
2471 lpfc_mbx_process_link_up(struct lpfc_hba
*phba
, READ_LA_VAR
*la
)
2473 struct lpfc_vport
*vport
= phba
->pport
;
2474 LPFC_MBOXQ_t
*sparam_mbox
, *cfglink_mbox
= NULL
;
2476 struct lpfc_dmabuf
*mp
;
2478 struct fcf_record
*fcf_record
;
2480 spin_lock_irq(&phba
->hbalock
);
2481 switch (la
->UlnkSpeed
) {
2483 phba
->fc_linkspeed
= LA_1GHZ_LINK
;
2486 phba
->fc_linkspeed
= LA_2GHZ_LINK
;
2489 phba
->fc_linkspeed
= LA_4GHZ_LINK
;
2492 phba
->fc_linkspeed
= LA_8GHZ_LINK
;
2495 phba
->fc_linkspeed
= LA_10GHZ_LINK
;
2498 phba
->fc_linkspeed
= LA_UNKNW_LINK
;
2502 phba
->fc_topology
= la
->topology
;
2503 phba
->link_flag
&= ~LS_NPIV_FAB_SUPPORTED
;
2505 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
2506 phba
->sli3_options
&= ~LPFC_SLI3_NPIV_ENABLED
;
2508 /* if npiv is enabled and this adapter supports npiv log
2509 * a message that npiv is not supported in this topology
2511 if (phba
->cfg_enable_npiv
&& phba
->max_vpi
)
2512 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
2513 "1309 Link Up Event npiv not supported in loop "
2515 /* Get Loop Map information */
2517 vport
->fc_flag
|= FC_LBIT
;
2519 vport
->fc_myDID
= la
->granted_AL_PA
;
2520 i
= la
->un
.lilpBde64
.tus
.f
.bdeSize
;
2523 phba
->alpa_map
[0] = 0;
2525 if (vport
->cfg_log_verbose
& LOG_LINK_EVENT
) {
2536 numalpa
= phba
->alpa_map
[0];
2538 while (j
< numalpa
) {
2539 memset(un
.pamap
, 0, 16);
2540 for (k
= 1; j
< numalpa
; k
++) {
2542 phba
->alpa_map
[j
+ 1];
2547 /* Link Up Event ALPA map */
2548 lpfc_printf_log(phba
,
2551 "1304 Link Up Event "
2552 "ALPA map Data: x%x "
2554 un
.pa
.wd1
, un
.pa
.wd2
,
2555 un
.pa
.wd3
, un
.pa
.wd4
);
2560 if (!(phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)) {
2561 if (phba
->max_vpi
&& phba
->cfg_enable_npiv
&&
2562 (phba
->sli_rev
== 3))
2563 phba
->sli3_options
|= LPFC_SLI3_NPIV_ENABLED
;
2565 vport
->fc_myDID
= phba
->fc_pref_DID
;
2566 vport
->fc_flag
|= FC_LBIT
;
2568 spin_unlock_irq(&phba
->hbalock
);
2571 sparam_mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2575 rc
= lpfc_read_sparam(phba
, sparam_mbox
, 0);
2577 mempool_free(sparam_mbox
, phba
->mbox_mem_pool
);
2580 sparam_mbox
->vport
= vport
;
2581 sparam_mbox
->mbox_cmpl
= lpfc_mbx_cmpl_read_sparam
;
2582 rc
= lpfc_sli_issue_mbox(phba
, sparam_mbox
, MBX_NOWAIT
);
2583 if (rc
== MBX_NOT_FINISHED
) {
2584 mp
= (struct lpfc_dmabuf
*) sparam_mbox
->context1
;
2585 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2587 mempool_free(sparam_mbox
, phba
->mbox_mem_pool
);
2591 if (!(phba
->hba_flag
& HBA_FCOE_SUPPORT
)) {
2592 cfglink_mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2595 vport
->port_state
= LPFC_LOCAL_CFG_LINK
;
2596 lpfc_config_link(phba
, cfglink_mbox
);
2597 cfglink_mbox
->vport
= vport
;
2598 cfglink_mbox
->mbox_cmpl
= lpfc_mbx_cmpl_local_config_link
;
2599 rc
= lpfc_sli_issue_mbox(phba
, cfglink_mbox
, MBX_NOWAIT
);
2600 if (rc
== MBX_NOT_FINISHED
) {
2601 mempool_free(cfglink_mbox
, phba
->mbox_mem_pool
);
2605 vport
->port_state
= LPFC_VPORT_UNKNOWN
;
2607 * Add the driver's default FCF record at FCF index 0 now. This
2608 * is phase 1 implementation that support FCF index 0 and driver
2611 if (!(phba
->hba_flag
& HBA_FIP_SUPPORT
)) {
2612 fcf_record
= kzalloc(sizeof(struct fcf_record
),
2614 if (unlikely(!fcf_record
)) {
2615 lpfc_printf_log(phba
, KERN_ERR
,
2617 "2554 Could not allocate memory for "
2623 lpfc_sli4_build_dflt_fcf_record(phba
, fcf_record
,
2624 LPFC_FCOE_FCF_DEF_INDEX
);
2625 rc
= lpfc_sli4_add_fcf_record(phba
, fcf_record
);
2627 lpfc_printf_log(phba
, KERN_ERR
,
2629 "2013 Could not manually add FCF "
2630 "record 0, status %d\n", rc
);
2638 * The driver is expected to do FIP/FCF. Call the port
2639 * and get the FCF Table.
2641 spin_lock_irq(&phba
->hbalock
);
2642 if (phba
->hba_flag
& FCF_DISC_INPROGRESS
) {
2643 spin_unlock_irq(&phba
->hbalock
);
2646 /* This is the initial FCF discovery scan */
2647 phba
->fcf
.fcf_flag
|= FCF_INIT_DISC
;
2648 spin_unlock_irq(&phba
->hbalock
);
2649 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
2650 "2778 Start FCF table scan at linkup\n");
2651 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
2652 LPFC_FCOE_FCF_GET_FIRST
);
2654 spin_lock_irq(&phba
->hbalock
);
2655 phba
->fcf
.fcf_flag
&= ~FCF_INIT_DISC
;
2656 spin_unlock_irq(&phba
->hbalock
);
2659 /* Reset FCF roundrobin bmask for new discovery */
2660 memset(phba
->fcf
.fcf_rr_bmask
, 0,
2661 sizeof(*phba
->fcf
.fcf_rr_bmask
));
2666 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
2667 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
2668 "0263 Discovery Mailbox error: state: 0x%x : %p %p\n",
2669 vport
->port_state
, sparam_mbox
, cfglink_mbox
);
2670 lpfc_issue_clear_la(phba
, vport
);
2675 lpfc_enable_la(struct lpfc_hba
*phba
)
2678 struct lpfc_sli
*psli
= &phba
->sli
;
2679 spin_lock_irq(&phba
->hbalock
);
2680 psli
->sli_flag
|= LPFC_PROCESS_LA
;
2681 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
2682 control
= readl(phba
->HCregaddr
);
2683 control
|= HC_LAINT_ENA
;
2684 writel(control
, phba
->HCregaddr
);
2685 readl(phba
->HCregaddr
); /* flush */
2687 spin_unlock_irq(&phba
->hbalock
);
2691 lpfc_mbx_issue_link_down(struct lpfc_hba
*phba
)
2693 lpfc_linkdown(phba
);
2694 lpfc_enable_la(phba
);
2695 lpfc_unregister_unused_fcf(phba
);
2696 /* turn on Link Attention interrupts - no CLEAR_LA needed */
2701 * This routine handles processing a READ_LA mailbox
2702 * command upon completion. It is setup in the LPFC_MBOXQ
2703 * as the completion routine when the command is
2704 * handed off to the SLI layer.
2707 lpfc_mbx_cmpl_read_la(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
2709 struct lpfc_vport
*vport
= pmb
->vport
;
2710 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2712 MAILBOX_t
*mb
= &pmb
->u
.mb
;
2713 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
2715 /* Unblock ELS traffic */
2716 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
2717 /* Check for error */
2718 if (mb
->mbxStatus
) {
2719 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
2720 "1307 READ_LA mbox error x%x state x%x\n",
2721 mb
->mbxStatus
, vport
->port_state
);
2722 lpfc_mbx_issue_link_down(phba
);
2723 phba
->link_state
= LPFC_HBA_ERROR
;
2724 goto lpfc_mbx_cmpl_read_la_free_mbuf
;
2727 la
= (READ_LA_VAR
*) &pmb
->u
.mb
.un
.varReadLA
;
2729 memcpy(&phba
->alpa_map
[0], mp
->virt
, 128);
2731 spin_lock_irq(shost
->host_lock
);
2733 vport
->fc_flag
|= FC_BYPASSED_MODE
;
2735 vport
->fc_flag
&= ~FC_BYPASSED_MODE
;
2736 spin_unlock_irq(shost
->host_lock
);
2738 if ((phba
->fc_eventTag
< la
->eventTag
) ||
2739 (phba
->fc_eventTag
== la
->eventTag
)) {
2740 phba
->fc_stat
.LinkMultiEvent
++;
2741 if (la
->attType
== AT_LINK_UP
)
2742 if (phba
->fc_eventTag
!= 0)
2743 lpfc_linkdown(phba
);
2746 phba
->fc_eventTag
= la
->eventTag
;
2747 spin_lock_irq(&phba
->hbalock
);
2749 phba
->sli
.sli_flag
|= LPFC_MENLO_MAINT
;
2751 phba
->sli
.sli_flag
&= ~LPFC_MENLO_MAINT
;
2752 spin_unlock_irq(&phba
->hbalock
);
2754 phba
->link_events
++;
2755 if (la
->attType
== AT_LINK_UP
&& (!la
->mm
)) {
2756 phba
->fc_stat
.LinkUp
++;
2757 if (phba
->link_flag
& LS_LOOPBACK_MODE
) {
2758 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
2759 "1306 Link Up Event in loop back mode "
2760 "x%x received Data: x%x x%x x%x x%x\n",
2761 la
->eventTag
, phba
->fc_eventTag
,
2762 la
->granted_AL_PA
, la
->UlnkSpeed
,
2765 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
2766 "1303 Link Up Event x%x received "
2767 "Data: x%x x%x x%x x%x x%x x%x %d\n",
2768 la
->eventTag
, phba
->fc_eventTag
,
2769 la
->granted_AL_PA
, la
->UlnkSpeed
,
2772 phba
->wait_4_mlo_maint_flg
);
2774 lpfc_mbx_process_link_up(phba
, la
);
2775 } else if (la
->attType
== AT_LINK_DOWN
) {
2776 phba
->fc_stat
.LinkDown
++;
2777 if (phba
->link_flag
& LS_LOOPBACK_MODE
) {
2778 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
2779 "1308 Link Down Event in loop back mode "
2781 "Data: x%x x%x x%x\n",
2782 la
->eventTag
, phba
->fc_eventTag
,
2783 phba
->pport
->port_state
, vport
->fc_flag
);
2786 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
2787 "1305 Link Down Event x%x received "
2788 "Data: x%x x%x x%x x%x x%x\n",
2789 la
->eventTag
, phba
->fc_eventTag
,
2790 phba
->pport
->port_state
, vport
->fc_flag
,
2793 lpfc_mbx_issue_link_down(phba
);
2795 if (la
->mm
&& la
->attType
== AT_LINK_UP
) {
2796 if (phba
->link_state
!= LPFC_LINK_DOWN
) {
2797 phba
->fc_stat
.LinkDown
++;
2798 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
2799 "1312 Link Down Event x%x received "
2800 "Data: x%x x%x x%x\n",
2801 la
->eventTag
, phba
->fc_eventTag
,
2802 phba
->pport
->port_state
, vport
->fc_flag
);
2803 lpfc_mbx_issue_link_down(phba
);
2805 lpfc_enable_la(phba
);
2807 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
2808 "1310 Menlo Maint Mode Link up Event x%x rcvd "
2809 "Data: x%x x%x x%x\n",
2810 la
->eventTag
, phba
->fc_eventTag
,
2811 phba
->pport
->port_state
, vport
->fc_flag
);
2813 * The cmnd that triggered this will be waiting for this
2816 /* WAKEUP for MENLO_SET_MODE or MENLO_RESET command. */
2817 if (phba
->wait_4_mlo_maint_flg
) {
2818 phba
->wait_4_mlo_maint_flg
= 0;
2819 wake_up_interruptible(&phba
->wait_4_mlo_m_q
);
2825 lpfc_issue_clear_la(phba
, vport
);
2826 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
2827 "1311 fa %d\n", la
->fa
);
2830 lpfc_mbx_cmpl_read_la_free_mbuf
:
2831 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2833 mempool_free(pmb
, phba
->mbox_mem_pool
);
2838 * This routine handles processing a REG_LOGIN mailbox
2839 * command upon completion. It is setup in the LPFC_MBOXQ
2840 * as the completion routine when the command is
2841 * handed off to the SLI layer.
2844 lpfc_mbx_cmpl_reg_login(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
2846 struct lpfc_vport
*vport
= pmb
->vport
;
2847 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
2848 struct lpfc_nodelist
*ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
2849 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2851 pmb
->context1
= NULL
;
2852 pmb
->context2
= NULL
;
2854 if (ndlp
->nlp_flag
& NLP_REG_LOGIN_SEND
)
2855 ndlp
->nlp_flag
&= ~NLP_REG_LOGIN_SEND
;
2857 if (ndlp
->nlp_flag
& NLP_IGNR_REG_CMPL
||
2858 ndlp
->nlp_state
!= NLP_STE_REG_LOGIN_ISSUE
) {
2859 /* We rcvd a rscn after issuing this
2860 * mbox reg login, we may have cycled
2861 * back through the state and be
2862 * back at reg login state so this
2863 * mbox needs to be ignored becase
2864 * there is another reg login in
2867 spin_lock_irq(shost
->host_lock
);
2868 ndlp
->nlp_flag
&= ~NLP_IGNR_REG_CMPL
;
2869 spin_unlock_irq(shost
->host_lock
);
2870 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2871 lpfc_sli4_free_rpi(phba
,
2872 pmb
->u
.mb
.un
.varRegLogin
.rpi
);
2875 /* Good status, call state machine */
2876 lpfc_disc_state_machine(vport
, ndlp
, pmb
,
2877 NLP_EVT_CMPL_REG_LOGIN
);
2879 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2881 mempool_free(pmb
, phba
->mbox_mem_pool
);
2882 /* decrement the node reference count held for this callback
2891 lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
2893 MAILBOX_t
*mb
= &pmb
->u
.mb
;
2894 struct lpfc_vport
*vport
= pmb
->vport
;
2895 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2897 switch (mb
->mbxStatus
) {
2900 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
2901 "0911 cmpl_unreg_vpi, mb status = 0x%x\n",
2904 /* If VPI is busy, reset the HBA */
2906 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_NODE
,
2907 "2798 Unreg_vpi failed vpi 0x%x, mb status = 0x%x\n",
2908 vport
->vpi
, mb
->mbxStatus
);
2909 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
2910 lpfc_workq_post_event(phba
, NULL
, NULL
,
2911 LPFC_EVT_RESET_HBA
);
2913 spin_lock_irq(shost
->host_lock
);
2914 vport
->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2915 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2916 spin_unlock_irq(shost
->host_lock
);
2917 vport
->unreg_vpi_cmpl
= VPORT_OK
;
2918 mempool_free(pmb
, phba
->mbox_mem_pool
);
2920 * This shost reference might have been taken at the beginning of
2921 * lpfc_vport_delete()
2923 if ((vport
->load_flag
& FC_UNLOADING
) && (vport
!= phba
->pport
))
2924 scsi_host_put(shost
);
2928 lpfc_mbx_unreg_vpi(struct lpfc_vport
*vport
)
2930 struct lpfc_hba
*phba
= vport
->phba
;
2934 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2938 lpfc_unreg_vpi(phba
, vport
->vpi
, mbox
);
2939 mbox
->vport
= vport
;
2940 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_unreg_vpi
;
2941 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
2942 if (rc
== MBX_NOT_FINISHED
) {
2943 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
| LOG_VPORT
,
2944 "1800 Could not issue unreg_vpi\n");
2945 mempool_free(mbox
, phba
->mbox_mem_pool
);
2946 vport
->unreg_vpi_cmpl
= VPORT_ERROR
;
2953 lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
2955 struct lpfc_vport
*vport
= pmb
->vport
;
2956 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2957 MAILBOX_t
*mb
= &pmb
->u
.mb
;
2959 switch (mb
->mbxStatus
) {
2963 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
2964 "0912 cmpl_reg_vpi, mb status = 0x%x\n",
2966 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
2967 spin_lock_irq(shost
->host_lock
);
2968 vport
->fc_flag
&= ~(FC_FABRIC
| FC_PUBLIC_LOOP
);
2969 spin_unlock_irq(shost
->host_lock
);
2970 vport
->fc_myDID
= 0;
2974 spin_lock_irq(shost
->host_lock
);
2975 vport
->vpi_state
|= LPFC_VPI_REGISTERED
;
2976 vport
->fc_flag
&= ~FC_VPORT_NEEDS_REG_VPI
;
2977 spin_unlock_irq(shost
->host_lock
);
2978 vport
->num_disc_nodes
= 0;
2979 /* go thru NPR list and issue ELS PLOGIs */
2980 if (vport
->fc_npr_cnt
)
2981 lpfc_els_disc_plogi(vport
);
2983 if (!vport
->num_disc_nodes
) {
2984 spin_lock_irq(shost
->host_lock
);
2985 vport
->fc_flag
&= ~FC_NDISC_ACTIVE
;
2986 spin_unlock_irq(shost
->host_lock
);
2987 lpfc_can_disctmo(vport
);
2989 vport
->port_state
= LPFC_VPORT_READY
;
2992 mempool_free(pmb
, phba
->mbox_mem_pool
);
2997 * lpfc_create_static_vport - Read HBA config region to create static vports.
2998 * @phba: pointer to lpfc hba data structure.
3000 * This routine issue a DUMP mailbox command for config region 22 to get
3001 * the list of static vports to be created. The function create vports
3002 * based on the information returned from the HBA.
3005 lpfc_create_static_vport(struct lpfc_hba
*phba
)
3007 LPFC_MBOXQ_t
*pmb
= NULL
;
3009 struct static_vport_info
*vport_info
;
3011 struct fc_vport_identifiers vport_id
;
3012 struct fc_vport
*new_fc_vport
;
3013 struct Scsi_Host
*shost
;
3014 struct lpfc_vport
*vport
;
3015 uint16_t offset
= 0;
3016 uint8_t *vport_buff
;
3017 struct lpfc_dmabuf
*mp
;
3018 uint32_t byte_count
= 0;
3020 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3022 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3023 "0542 lpfc_create_static_vport failed to"
3024 " allocate mailbox memory\n");
3030 vport_info
= kzalloc(sizeof(struct static_vport_info
), GFP_KERNEL
);
3032 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3033 "0543 lpfc_create_static_vport failed to"
3034 " allocate vport_info\n");
3035 mempool_free(pmb
, phba
->mbox_mem_pool
);
3039 vport_buff
= (uint8_t *) vport_info
;
3041 if (lpfc_dump_static_vport(phba
, pmb
, offset
))
3044 pmb
->vport
= phba
->pport
;
3045 rc
= lpfc_sli_issue_mbox_wait(phba
, pmb
, LPFC_MBOX_TMO
);
3047 if ((rc
!= MBX_SUCCESS
) || mb
->mbxStatus
) {
3048 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
3049 "0544 lpfc_create_static_vport failed to"
3050 " issue dump mailbox command ret 0x%x "
3056 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3057 byte_count
= pmb
->u
.mqe
.un
.mb_words
[5];
3058 mp
= (struct lpfc_dmabuf
*) pmb
->context2
;
3059 if (byte_count
> sizeof(struct static_vport_info
) -
3061 byte_count
= sizeof(struct static_vport_info
)
3063 memcpy(vport_buff
+ offset
, mp
->virt
, byte_count
);
3064 offset
+= byte_count
;
3066 if (mb
->un
.varDmp
.word_cnt
>
3067 sizeof(struct static_vport_info
) - offset
)
3068 mb
->un
.varDmp
.word_cnt
=
3069 sizeof(struct static_vport_info
)
3071 byte_count
= mb
->un
.varDmp
.word_cnt
;
3072 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
3073 vport_buff
+ offset
,
3076 offset
+= byte_count
;
3079 } while (byte_count
&&
3080 offset
< sizeof(struct static_vport_info
));
3083 if ((le32_to_cpu(vport_info
->signature
) != VPORT_INFO_SIG
) ||
3084 ((le32_to_cpu(vport_info
->rev
) & VPORT_INFO_REV_MASK
)
3085 != VPORT_INFO_REV
)) {
3086 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3087 "0545 lpfc_create_static_vport bad"
3088 " information header 0x%x 0x%x\n",
3089 le32_to_cpu(vport_info
->signature
),
3090 le32_to_cpu(vport_info
->rev
) & VPORT_INFO_REV_MASK
);
3095 shost
= lpfc_shost_from_vport(phba
->pport
);
3097 for (i
= 0; i
< MAX_STATIC_VPORT_COUNT
; i
++) {
3098 memset(&vport_id
, 0, sizeof(vport_id
));
3099 vport_id
.port_name
= wwn_to_u64(vport_info
->vport_list
[i
].wwpn
);
3100 vport_id
.node_name
= wwn_to_u64(vport_info
->vport_list
[i
].wwnn
);
3101 if (!vport_id
.port_name
|| !vport_id
.node_name
)
3104 vport_id
.roles
= FC_PORT_ROLE_FCP_INITIATOR
;
3105 vport_id
.vport_type
= FC_PORTTYPE_NPIV
;
3106 vport_id
.disable
= false;
3107 new_fc_vport
= fc_vport_create(shost
, 0, &vport_id
);
3109 if (!new_fc_vport
) {
3110 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
3111 "0546 lpfc_create_static_vport failed to"
3116 vport
= *(struct lpfc_vport
**)new_fc_vport
->dd_data
;
3117 vport
->vport_flag
|= STATIC_VPORT
;
3122 if (rc
!= MBX_TIMEOUT
) {
3123 if (pmb
->context2
) {
3124 mp
= (struct lpfc_dmabuf
*) pmb
->context2
;
3125 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3128 mempool_free(pmb
, phba
->mbox_mem_pool
);
3135 * This routine handles processing a Fabric REG_LOGIN mailbox
3136 * command upon completion. It is setup in the LPFC_MBOXQ
3137 * as the completion routine when the command is
3138 * handed off to the SLI layer.
3141 lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
3143 struct lpfc_vport
*vport
= pmb
->vport
;
3144 MAILBOX_t
*mb
= &pmb
->u
.mb
;
3145 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
3146 struct lpfc_nodelist
*ndlp
;
3148 ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
3149 pmb
->context1
= NULL
;
3150 pmb
->context2
= NULL
;
3152 if (mb
->mbxStatus
) {
3153 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
,
3154 "0258 Register Fabric login error: 0x%x\n",
3156 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3158 mempool_free(pmb
, phba
->mbox_mem_pool
);
3160 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
3161 /* FLOGI failed, use loop map to make discovery list */
3162 lpfc_disc_list_loopmap(vport
);
3164 /* Start discovery */
3165 lpfc_disc_start(vport
);
3166 /* Decrement the reference count to ndlp after the
3167 * reference to the ndlp are done.
3173 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
3174 /* Decrement the reference count to ndlp after the reference
3175 * to the ndlp are done.
3181 ndlp
->nlp_rpi
= mb
->un
.varWords
[0];
3182 ndlp
->nlp_flag
|= NLP_RPI_VALID
;
3183 ndlp
->nlp_type
|= NLP_FABRIC
;
3184 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNMAPPED_NODE
);
3186 if (vport
->port_state
== LPFC_FABRIC_CFG_LINK
) {
3187 /* when physical port receive logo donot start
3188 * vport discovery */
3189 if (!(vport
->fc_flag
& FC_LOGO_RCVD_DID_CHNG
))
3190 lpfc_start_fdiscs(phba
);
3192 vport
->fc_flag
&= ~FC_LOGO_RCVD_DID_CHNG
;
3193 lpfc_do_scr_ns_plogi(phba
, vport
);
3196 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3198 mempool_free(pmb
, phba
->mbox_mem_pool
);
3200 /* Drop the reference count from the mbox at the end after
3201 * all the current reference to the ndlp have been done.
3208 * This routine handles processing a NameServer REG_LOGIN mailbox
3209 * command upon completion. It is setup in the LPFC_MBOXQ
3210 * as the completion routine when the command is
3211 * handed off to the SLI layer.
3214 lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
3216 MAILBOX_t
*mb
= &pmb
->u
.mb
;
3217 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
3218 struct lpfc_nodelist
*ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
3219 struct lpfc_vport
*vport
= pmb
->vport
;
3221 pmb
->context1
= NULL
;
3222 pmb
->context2
= NULL
;
3224 if (mb
->mbxStatus
) {
3226 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_ELS
,
3227 "0260 Register NameServer error: 0x%x\n",
3229 /* decrement the node reference count held for this
3230 * callback function.
3233 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3235 mempool_free(pmb
, phba
->mbox_mem_pool
);
3237 /* If no other thread is using the ndlp, free it */
3238 lpfc_nlp_not_used(ndlp
);
3240 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
3242 * RegLogin failed, use loop map to make discovery
3245 lpfc_disc_list_loopmap(vport
);
3247 /* Start discovery */
3248 lpfc_disc_start(vport
);
3251 lpfc_vport_set_state(vport
, FC_VPORT_FAILED
);
3255 ndlp
->nlp_rpi
= mb
->un
.varWords
[0];
3256 ndlp
->nlp_flag
|= NLP_RPI_VALID
;
3257 ndlp
->nlp_type
|= NLP_FABRIC
;
3258 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNMAPPED_NODE
);
3260 if (vport
->port_state
< LPFC_VPORT_READY
) {
3261 /* Link up discovery requires Fabric registration. */
3262 lpfc_ns_cmd(vport
, SLI_CTNS_RFF_ID
, 0, 0); /* Do this first! */
3263 lpfc_ns_cmd(vport
, SLI_CTNS_RNN_ID
, 0, 0);
3264 lpfc_ns_cmd(vport
, SLI_CTNS_RSNN_NN
, 0, 0);
3265 lpfc_ns_cmd(vport
, SLI_CTNS_RSPN_ID
, 0, 0);
3266 lpfc_ns_cmd(vport
, SLI_CTNS_RFT_ID
, 0, 0);
3268 /* Issue SCR just before NameServer GID_FT Query */
3269 lpfc_issue_els_scr(vport
, SCR_DID
, 0);
3272 vport
->fc_ns_retry
= 0;
3273 /* Good status, issue CT Request to NameServer */
3274 if (lpfc_ns_cmd(vport
, SLI_CTNS_GID_FT
, 0, 0)) {
3275 /* Cannot issue NameServer Query, so finish up discovery */
3279 /* decrement the node reference count held for this
3280 * callback function.
3283 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3285 mempool_free(pmb
, phba
->mbox_mem_pool
);
3291 lpfc_register_remote_port(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
3293 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3294 struct fc_rport
*rport
;
3295 struct lpfc_rport_data
*rdata
;
3296 struct fc_rport_identifiers rport_ids
;
3297 struct lpfc_hba
*phba
= vport
->phba
;
3299 /* Remote port has reappeared. Re-register w/ FC transport */
3300 rport_ids
.node_name
= wwn_to_u64(ndlp
->nlp_nodename
.u
.wwn
);
3301 rport_ids
.port_name
= wwn_to_u64(ndlp
->nlp_portname
.u
.wwn
);
3302 rport_ids
.port_id
= ndlp
->nlp_DID
;
3303 rport_ids
.roles
= FC_RPORT_ROLE_UNKNOWN
;
3306 * We leave our node pointer in rport->dd_data when we unregister a
3307 * FCP target port. But fc_remote_port_add zeros the space to which
3308 * rport->dd_data points. So, if we're reusing a previously
3309 * registered port, drop the reference that we took the last time we
3310 * registered the port.
3312 if (ndlp
->rport
&& ndlp
->rport
->dd_data
&&
3313 ((struct lpfc_rport_data
*) ndlp
->rport
->dd_data
)->pnode
== ndlp
)
3316 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_RPORT
,
3317 "rport add: did:x%x flg:x%x type x%x",
3318 ndlp
->nlp_DID
, ndlp
->nlp_flag
, ndlp
->nlp_type
);
3320 ndlp
->rport
= rport
= fc_remote_port_add(shost
, 0, &rport_ids
);
3321 if (!rport
|| !get_device(&rport
->dev
)) {
3322 dev_printk(KERN_WARNING
, &phba
->pcidev
->dev
,
3323 "Warning: fc_remote_port_add failed\n");
3327 /* initialize static port data */
3328 rport
->maxframe_size
= ndlp
->nlp_maxframe
;
3329 rport
->supported_classes
= ndlp
->nlp_class_sup
;
3330 rdata
= rport
->dd_data
;
3331 rdata
->pnode
= lpfc_nlp_get(ndlp
);
3333 if (ndlp
->nlp_type
& NLP_FCP_TARGET
)
3334 rport_ids
.roles
|= FC_RPORT_ROLE_FCP_TARGET
;
3335 if (ndlp
->nlp_type
& NLP_FCP_INITIATOR
)
3336 rport_ids
.roles
|= FC_RPORT_ROLE_FCP_INITIATOR
;
3339 if (rport_ids
.roles
!= FC_RPORT_ROLE_UNKNOWN
)
3340 fc_remote_port_rolechg(rport
, rport_ids
.roles
);
3342 if ((rport
->scsi_target_id
!= -1) &&
3343 (rport
->scsi_target_id
< LPFC_MAX_TARGET
)) {
3344 ndlp
->nlp_sid
= rport
->scsi_target_id
;
3350 lpfc_unregister_remote_port(struct lpfc_nodelist
*ndlp
)
3352 struct fc_rport
*rport
= ndlp
->rport
;
3354 lpfc_debugfs_disc_trc(ndlp
->vport
, LPFC_DISC_TRC_RPORT
,
3355 "rport delete: did:x%x flg:x%x type x%x",
3356 ndlp
->nlp_DID
, ndlp
->nlp_flag
, ndlp
->nlp_type
);
3358 fc_remote_port_delete(rport
);
3364 lpfc_nlp_counters(struct lpfc_vport
*vport
, int state
, int count
)
3366 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3368 spin_lock_irq(shost
->host_lock
);
3370 case NLP_STE_UNUSED_NODE
:
3371 vport
->fc_unused_cnt
+= count
;
3373 case NLP_STE_PLOGI_ISSUE
:
3374 vport
->fc_plogi_cnt
+= count
;
3376 case NLP_STE_ADISC_ISSUE
:
3377 vport
->fc_adisc_cnt
+= count
;
3379 case NLP_STE_REG_LOGIN_ISSUE
:
3380 vport
->fc_reglogin_cnt
+= count
;
3382 case NLP_STE_PRLI_ISSUE
:
3383 vport
->fc_prli_cnt
+= count
;
3385 case NLP_STE_UNMAPPED_NODE
:
3386 vport
->fc_unmap_cnt
+= count
;
3388 case NLP_STE_MAPPED_NODE
:
3389 vport
->fc_map_cnt
+= count
;
3391 case NLP_STE_NPR_NODE
:
3392 vport
->fc_npr_cnt
+= count
;
3395 spin_unlock_irq(shost
->host_lock
);
3399 lpfc_nlp_state_cleanup(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
3400 int old_state
, int new_state
)
3402 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3404 if (new_state
== NLP_STE_UNMAPPED_NODE
) {
3405 ndlp
->nlp_flag
&= ~NLP_NODEV_REMOVE
;
3406 ndlp
->nlp_type
|= NLP_FC_NODE
;
3408 if (new_state
== NLP_STE_MAPPED_NODE
)
3409 ndlp
->nlp_flag
&= ~NLP_NODEV_REMOVE
;
3410 if (new_state
== NLP_STE_NPR_NODE
)
3411 ndlp
->nlp_flag
&= ~NLP_RCV_PLOGI
;
3413 /* Transport interface */
3414 if (ndlp
->rport
&& (old_state
== NLP_STE_MAPPED_NODE
||
3415 old_state
== NLP_STE_UNMAPPED_NODE
)) {
3416 vport
->phba
->nport_event_cnt
++;
3417 lpfc_unregister_remote_port(ndlp
);
3420 if (new_state
== NLP_STE_MAPPED_NODE
||
3421 new_state
== NLP_STE_UNMAPPED_NODE
) {
3422 vport
->phba
->nport_event_cnt
++;
3424 * Tell the fc transport about the port, if we haven't
3425 * already. If we have, and it's a scsi entity, be
3426 * sure to unblock any attached scsi devices
3428 lpfc_register_remote_port(vport
, ndlp
);
3430 if ((new_state
== NLP_STE_MAPPED_NODE
) &&
3431 (vport
->stat_data_enabled
)) {
3433 * A new target is discovered, if there is no buffer for
3434 * statistical data collection allocate buffer.
3436 ndlp
->lat_data
= kcalloc(LPFC_MAX_BUCKET_COUNT
,
3437 sizeof(struct lpfc_scsicmd_bkt
),
3440 if (!ndlp
->lat_data
)
3441 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_NODE
,
3442 "0286 lpfc_nlp_state_cleanup failed to "
3443 "allocate statistical data buffer DID "
3444 "0x%x\n", ndlp
->nlp_DID
);
3447 * if we added to Mapped list, but the remote port
3448 * registration failed or assigned a target id outside
3449 * our presentable range - move the node to the
3452 if (new_state
== NLP_STE_MAPPED_NODE
&&
3454 ndlp
->rport
->scsi_target_id
== -1 ||
3455 ndlp
->rport
->scsi_target_id
>= LPFC_MAX_TARGET
)) {
3456 spin_lock_irq(shost
->host_lock
);
3457 ndlp
->nlp_flag
|= NLP_TGT_NO_SCSIID
;
3458 spin_unlock_irq(shost
->host_lock
);
3459 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNMAPPED_NODE
);
3464 lpfc_nlp_state_name(char *buffer
, size_t size
, int state
)
3466 static char *states
[] = {
3467 [NLP_STE_UNUSED_NODE
] = "UNUSED",
3468 [NLP_STE_PLOGI_ISSUE
] = "PLOGI",
3469 [NLP_STE_ADISC_ISSUE
] = "ADISC",
3470 [NLP_STE_REG_LOGIN_ISSUE
] = "REGLOGIN",
3471 [NLP_STE_PRLI_ISSUE
] = "PRLI",
3472 [NLP_STE_UNMAPPED_NODE
] = "UNMAPPED",
3473 [NLP_STE_MAPPED_NODE
] = "MAPPED",
3474 [NLP_STE_NPR_NODE
] = "NPR",
3477 if (state
< NLP_STE_MAX_STATE
&& states
[state
])
3478 strlcpy(buffer
, states
[state
], size
);
3480 snprintf(buffer
, size
, "unknown (%d)", state
);
3485 lpfc_nlp_set_state(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
3488 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3489 int old_state
= ndlp
->nlp_state
;
3490 char name1
[16], name2
[16];
3492 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
3493 "0904 NPort state transition x%06x, %s -> %s\n",
3495 lpfc_nlp_state_name(name1
, sizeof(name1
), old_state
),
3496 lpfc_nlp_state_name(name2
, sizeof(name2
), state
));
3498 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_NODE
,
3499 "node statechg did:x%x old:%d ste:%d",
3500 ndlp
->nlp_DID
, old_state
, state
);
3502 if (old_state
== NLP_STE_NPR_NODE
&&
3503 state
!= NLP_STE_NPR_NODE
)
3504 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
3505 if (old_state
== NLP_STE_UNMAPPED_NODE
) {
3506 ndlp
->nlp_flag
&= ~NLP_TGT_NO_SCSIID
;
3507 ndlp
->nlp_type
&= ~NLP_FC_NODE
;
3510 if (list_empty(&ndlp
->nlp_listp
)) {
3511 spin_lock_irq(shost
->host_lock
);
3512 list_add_tail(&ndlp
->nlp_listp
, &vport
->fc_nodes
);
3513 spin_unlock_irq(shost
->host_lock
);
3514 } else if (old_state
)
3515 lpfc_nlp_counters(vport
, old_state
, -1);
3517 ndlp
->nlp_state
= state
;
3518 lpfc_nlp_counters(vport
, state
, 1);
3519 lpfc_nlp_state_cleanup(vport
, ndlp
, old_state
, state
);
3523 lpfc_enqueue_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
3525 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3527 if (list_empty(&ndlp
->nlp_listp
)) {
3528 spin_lock_irq(shost
->host_lock
);
3529 list_add_tail(&ndlp
->nlp_listp
, &vport
->fc_nodes
);
3530 spin_unlock_irq(shost
->host_lock
);
3535 lpfc_dequeue_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
3537 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3539 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
3540 if (ndlp
->nlp_state
&& !list_empty(&ndlp
->nlp_listp
))
3541 lpfc_nlp_counters(vport
, ndlp
->nlp_state
, -1);
3542 spin_lock_irq(shost
->host_lock
);
3543 list_del_init(&ndlp
->nlp_listp
);
3544 spin_unlock_irq(shost
->host_lock
);
3545 lpfc_nlp_state_cleanup(vport
, ndlp
, ndlp
->nlp_state
,
3546 NLP_STE_UNUSED_NODE
);
3550 lpfc_disable_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
3552 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
3553 if (ndlp
->nlp_state
&& !list_empty(&ndlp
->nlp_listp
))
3554 lpfc_nlp_counters(vport
, ndlp
->nlp_state
, -1);
3555 lpfc_nlp_state_cleanup(vport
, ndlp
, ndlp
->nlp_state
,
3556 NLP_STE_UNUSED_NODE
);
3559 * lpfc_initialize_node - Initialize all fields of node object
3560 * @vport: Pointer to Virtual Port object.
3561 * @ndlp: Pointer to FC node object.
3562 * @did: FC_ID of the node.
3564 * This function is always called when node object need to be initialized.
3565 * It initializes all the fields of the node object. Although the reference
3566 * to phba from @ndlp can be obtained indirectly through it's reference to
3567 * @vport, a direct reference to phba is taken here by @ndlp. This is due
3568 * to the life-span of the @ndlp might go beyond the existence of @vport as
3569 * the final release of ndlp is determined by its reference count. And, the
3570 * operation on @ndlp needs the reference to phba.
3573 lpfc_initialize_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
3576 INIT_LIST_HEAD(&ndlp
->els_retry_evt
.evt_listp
);
3577 INIT_LIST_HEAD(&ndlp
->dev_loss_evt
.evt_listp
);
3578 init_timer(&ndlp
->nlp_delayfunc
);
3579 ndlp
->nlp_delayfunc
.function
= lpfc_els_retry_delay
;
3580 ndlp
->nlp_delayfunc
.data
= (unsigned long)ndlp
;
3581 ndlp
->nlp_DID
= did
;
3582 ndlp
->vport
= vport
;
3583 ndlp
->phba
= vport
->phba
;
3584 ndlp
->nlp_sid
= NLP_NO_SID
;
3585 kref_init(&ndlp
->kref
);
3586 NLP_INT_NODE_ACT(ndlp
);
3587 atomic_set(&ndlp
->cmd_pending
, 0);
3588 ndlp
->cmd_qdepth
= vport
->cfg_tgt_queue_depth
;
3591 struct lpfc_nodelist
*
3592 lpfc_enable_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
3595 struct lpfc_hba
*phba
= vport
->phba
;
3597 unsigned long flags
;
3602 spin_lock_irqsave(&phba
->ndlp_lock
, flags
);
3603 /* The ndlp should not be in memory free mode */
3604 if (NLP_CHK_FREE_REQ(ndlp
)) {
3605 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
3606 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_NODE
,
3607 "0277 lpfc_enable_node: ndlp:x%p "
3608 "usgmap:x%x refcnt:%d\n",
3609 (void *)ndlp
, ndlp
->nlp_usg_map
,
3610 atomic_read(&ndlp
->kref
.refcount
));
3613 /* The ndlp should not already be in active mode */
3614 if (NLP_CHK_NODE_ACT(ndlp
)) {
3615 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
3616 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_NODE
,
3617 "0278 lpfc_enable_node: ndlp:x%p "
3618 "usgmap:x%x refcnt:%d\n",
3619 (void *)ndlp
, ndlp
->nlp_usg_map
,
3620 atomic_read(&ndlp
->kref
.refcount
));
3624 /* Keep the original DID */
3625 did
= ndlp
->nlp_DID
;
3627 /* re-initialize ndlp except of ndlp linked list pointer */
3628 memset((((char *)ndlp
) + sizeof (struct list_head
)), 0,
3629 sizeof (struct lpfc_nodelist
) - sizeof (struct list_head
));
3630 lpfc_initialize_node(vport
, ndlp
, did
);
3632 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
3634 if (state
!= NLP_STE_UNUSED_NODE
)
3635 lpfc_nlp_set_state(vport
, ndlp
, state
);
3637 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_NODE
,
3638 "node enable: did:x%x",
3639 ndlp
->nlp_DID
, 0, 0);
3644 lpfc_drop_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
3647 * Use of lpfc_drop_node and UNUSED list: lpfc_drop_node should
3648 * be used if we wish to issue the "last" lpfc_nlp_put() to remove
3649 * the ndlp from the vport. The ndlp marked as UNUSED on the list
3650 * until ALL other outstanding threads have completed. We check
3651 * that the ndlp not already in the UNUSED state before we proceed.
3653 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
3655 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
3661 * Start / ReStart rescue timer for Discovery / RSCN handling
3664 lpfc_set_disctmo(struct lpfc_vport
*vport
)
3666 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3667 struct lpfc_hba
*phba
= vport
->phba
;
3670 if (vport
->port_state
== LPFC_LOCAL_CFG_LINK
) {
3671 /* For FAN, timeout should be greater than edtov */
3672 tmo
= (((phba
->fc_edtov
+ 999) / 1000) + 1);
3674 /* Normal discovery timeout should be > than ELS/CT timeout
3675 * FC spec states we need 3 * ratov for CT requests
3677 tmo
= ((phba
->fc_ratov
* 3) + 3);
3681 if (!timer_pending(&vport
->fc_disctmo
)) {
3682 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_ELS_CMD
,
3683 "set disc timer: tmo:x%x state:x%x flg:x%x",
3684 tmo
, vport
->port_state
, vport
->fc_flag
);
3687 mod_timer(&vport
->fc_disctmo
, jiffies
+ HZ
* tmo
);
3688 spin_lock_irq(shost
->host_lock
);
3689 vport
->fc_flag
|= FC_DISC_TMO
;
3690 spin_unlock_irq(shost
->host_lock
);
3692 /* Start Discovery Timer state <hba_state> */
3693 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_DISCOVERY
,
3694 "0247 Start Discovery Timer state x%x "
3695 "Data: x%x x%lx x%x x%x\n",
3696 vport
->port_state
, tmo
,
3697 (unsigned long)&vport
->fc_disctmo
, vport
->fc_plogi_cnt
,
3698 vport
->fc_adisc_cnt
);
3704 * Cancel rescue timer for Discovery / RSCN handling
3707 lpfc_can_disctmo(struct lpfc_vport
*vport
)
3709 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3710 unsigned long iflags
;
3712 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_ELS_CMD
,
3713 "can disc timer: state:x%x rtry:x%x flg:x%x",
3714 vport
->port_state
, vport
->fc_ns_retry
, vport
->fc_flag
);
3716 /* Turn off discovery timer if its running */
3717 if (vport
->fc_flag
& FC_DISC_TMO
) {
3718 spin_lock_irqsave(shost
->host_lock
, iflags
);
3719 vport
->fc_flag
&= ~FC_DISC_TMO
;
3720 spin_unlock_irqrestore(shost
->host_lock
, iflags
);
3721 del_timer_sync(&vport
->fc_disctmo
);
3722 spin_lock_irqsave(&vport
->work_port_lock
, iflags
);
3723 vport
->work_port_events
&= ~WORKER_DISC_TMO
;
3724 spin_unlock_irqrestore(&vport
->work_port_lock
, iflags
);
3727 /* Cancel Discovery Timer state <hba_state> */
3728 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_DISCOVERY
,
3729 "0248 Cancel Discovery Timer state x%x "
3730 "Data: x%x x%x x%x\n",
3731 vport
->port_state
, vport
->fc_flag
,
3732 vport
->fc_plogi_cnt
, vport
->fc_adisc_cnt
);
3737 * Check specified ring for outstanding IOCB on the SLI queue
3738 * Return true if iocb matches the specified nport
3741 lpfc_check_sli_ndlp(struct lpfc_hba
*phba
,
3742 struct lpfc_sli_ring
*pring
,
3743 struct lpfc_iocbq
*iocb
,
3744 struct lpfc_nodelist
*ndlp
)
3746 struct lpfc_sli
*psli
= &phba
->sli
;
3747 IOCB_t
*icmd
= &iocb
->iocb
;
3748 struct lpfc_vport
*vport
= ndlp
->vport
;
3750 if (iocb
->vport
!= vport
)
3753 if (pring
->ringno
== LPFC_ELS_RING
) {
3754 switch (icmd
->ulpCommand
) {
3755 case CMD_GEN_REQUEST64_CR
:
3756 if (iocb
->context_un
.ndlp
== ndlp
)
3758 case CMD_ELS_REQUEST64_CR
:
3759 if (icmd
->un
.elsreq64
.remoteID
== ndlp
->nlp_DID
)
3761 case CMD_XMIT_ELS_RSP64_CX
:
3762 if (iocb
->context1
== (uint8_t *) ndlp
)
3765 } else if (pring
->ringno
== psli
->extra_ring
) {
3767 } else if (pring
->ringno
== psli
->fcp_ring
) {
3768 /* Skip match check if waiting to relogin to FCP target */
3769 if ((ndlp
->nlp_type
& NLP_FCP_TARGET
) &&
3770 (ndlp
->nlp_flag
& NLP_DELAY_TMO
)) {
3773 if (icmd
->ulpContext
== (volatile ushort
)ndlp
->nlp_rpi
) {
3776 } else if (pring
->ringno
== psli
->next_ring
) {
3783 * Free resources / clean up outstanding I/Os
3784 * associated with nlp_rpi in the LPFC_NODELIST entry.
3787 lpfc_no_rpi(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
)
3789 LIST_HEAD(completions
);
3790 struct lpfc_sli
*psli
;
3791 struct lpfc_sli_ring
*pring
;
3792 struct lpfc_iocbq
*iocb
, *next_iocb
;
3795 lpfc_fabric_abort_nport(ndlp
);
3798 * Everything that matches on txcmplq will be returned
3799 * by firmware with a no rpi error.
3802 if (ndlp
->nlp_flag
& NLP_RPI_VALID
) {
3803 /* Now process each ring */
3804 for (i
= 0; i
< psli
->num_rings
; i
++) {
3805 pring
= &psli
->ring
[i
];
3807 spin_lock_irq(&phba
->hbalock
);
3808 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txq
,
3811 * Check to see if iocb matches the nport we are
3814 if ((lpfc_check_sli_ndlp(phba
, pring
, iocb
,
3816 /* It matches, so deque and call compl
3818 list_move_tail(&iocb
->list
,
3823 spin_unlock_irq(&phba
->hbalock
);
3827 /* Cancel all the IOCBs from the completions list */
3828 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
3835 * Free rpi associated with LPFC_NODELIST entry.
3836 * This routine is called from lpfc_freenode(), when we are removing
3837 * a LPFC_NODELIST entry. It is also called if the driver initiates a
3838 * LOGO that completes successfully, and we are waiting to PLOGI back
3839 * to the remote NPort. In addition, it is called after we receive
3840 * and unsolicated ELS cmd, send back a rsp, the rsp completes and
3841 * we are waiting to PLOGI back to the remote NPort.
3844 lpfc_unreg_rpi(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
3846 struct lpfc_hba
*phba
= vport
->phba
;
3850 if (ndlp
->nlp_flag
& NLP_RPI_VALID
) {
3851 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3853 lpfc_unreg_login(phba
, vport
->vpi
, ndlp
->nlp_rpi
, mbox
);
3854 mbox
->vport
= vport
;
3855 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
3856 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
3857 if (rc
== MBX_NOT_FINISHED
)
3858 mempool_free(mbox
, phba
->mbox_mem_pool
);
3860 lpfc_no_rpi(phba
, ndlp
);
3863 ndlp
->nlp_flag
&= ~NLP_RPI_VALID
;
3864 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
3871 * lpfc_unreg_hba_rpis - Unregister rpis registered to the hba.
3872 * @phba: pointer to lpfc hba data structure.
3874 * This routine is invoked to unregister all the currently registered RPIs
3878 lpfc_unreg_hba_rpis(struct lpfc_hba
*phba
)
3880 struct lpfc_vport
**vports
;
3881 struct lpfc_nodelist
*ndlp
;
3882 struct Scsi_Host
*shost
;
3885 vports
= lpfc_create_vport_work_array(phba
);
3886 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3887 shost
= lpfc_shost_from_vport(vports
[i
]);
3888 spin_lock_irq(shost
->host_lock
);
3889 list_for_each_entry(ndlp
, &vports
[i
]->fc_nodes
, nlp_listp
) {
3890 if (ndlp
->nlp_flag
& NLP_RPI_VALID
) {
3891 /* The mempool_alloc might sleep */
3892 spin_unlock_irq(shost
->host_lock
);
3893 lpfc_unreg_rpi(vports
[i
], ndlp
);
3894 spin_lock_irq(shost
->host_lock
);
3897 spin_unlock_irq(shost
->host_lock
);
3899 lpfc_destroy_vport_work_array(phba
, vports
);
3903 lpfc_unreg_all_rpis(struct lpfc_vport
*vport
)
3905 struct lpfc_hba
*phba
= vport
->phba
;
3909 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3911 lpfc_unreg_login(phba
, vport
->vpi
, 0xffff, mbox
);
3912 mbox
->vport
= vport
;
3913 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
3914 mbox
->context1
= NULL
;
3915 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, LPFC_MBOX_TMO
);
3916 if (rc
!= MBX_TIMEOUT
)
3917 mempool_free(mbox
, phba
->mbox_mem_pool
);
3919 if ((rc
== MBX_TIMEOUT
) || (rc
== MBX_NOT_FINISHED
))
3920 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
| LOG_VPORT
,
3921 "1836 Could not issue "
3922 "unreg_login(all_rpis) status %d\n", rc
);
3927 lpfc_unreg_default_rpis(struct lpfc_vport
*vport
)
3929 struct lpfc_hba
*phba
= vport
->phba
;
3933 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3935 lpfc_unreg_did(phba
, vport
->vpi
, 0xffffffff, mbox
);
3936 mbox
->vport
= vport
;
3937 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
3938 mbox
->context1
= NULL
;
3939 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, LPFC_MBOX_TMO
);
3940 if (rc
!= MBX_TIMEOUT
)
3941 mempool_free(mbox
, phba
->mbox_mem_pool
);
3943 if ((rc
== MBX_TIMEOUT
) || (rc
== MBX_NOT_FINISHED
))
3944 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_MBOX
| LOG_VPORT
,
3945 "1815 Could not issue "
3946 "unreg_did (default rpis) status %d\n",
3952 * Free resources associated with LPFC_NODELIST entry
3953 * so it can be freed.
3956 lpfc_cleanup_node(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
3958 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3959 struct lpfc_hba
*phba
= vport
->phba
;
3960 LPFC_MBOXQ_t
*mb
, *nextmb
;
3961 struct lpfc_dmabuf
*mp
;
3963 /* Cleanup node for NPort <nlp_DID> */
3964 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
3965 "0900 Cleanup node for NPort x%x "
3966 "Data: x%x x%x x%x\n",
3967 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
3968 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
3969 if (NLP_CHK_FREE_REQ(ndlp
)) {
3970 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_NODE
,
3971 "0280 lpfc_cleanup_node: ndlp:x%p "
3972 "usgmap:x%x refcnt:%d\n",
3973 (void *)ndlp
, ndlp
->nlp_usg_map
,
3974 atomic_read(&ndlp
->kref
.refcount
));
3975 lpfc_dequeue_node(vport
, ndlp
);
3977 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_NODE
,
3978 "0281 lpfc_cleanup_node: ndlp:x%p "
3979 "usgmap:x%x refcnt:%d\n",
3980 (void *)ndlp
, ndlp
->nlp_usg_map
,
3981 atomic_read(&ndlp
->kref
.refcount
));
3982 lpfc_disable_node(vport
, ndlp
);
3985 /* cleanup any ndlp on mbox q waiting for reglogin cmpl */
3986 if ((mb
= phba
->sli
.mbox_active
)) {
3987 if ((mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) &&
3988 (ndlp
== (struct lpfc_nodelist
*) mb
->context2
)) {
3989 mb
->context2
= NULL
;
3990 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
3994 spin_lock_irq(&phba
->hbalock
);
3995 list_for_each_entry_safe(mb
, nextmb
, &phba
->sli
.mboxq
, list
) {
3996 if ((mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) &&
3997 (ndlp
== (struct lpfc_nodelist
*) mb
->context2
)) {
3998 mp
= (struct lpfc_dmabuf
*) (mb
->context1
);
4000 __lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
4003 list_del(&mb
->list
);
4004 if (phba
->sli_rev
== LPFC_SLI_REV4
)
4005 lpfc_sli4_free_rpi(phba
,
4006 mb
->u
.mb
.un
.varRegLogin
.rpi
);
4007 mempool_free(mb
, phba
->mbox_mem_pool
);
4008 /* We shall not invoke the lpfc_nlp_put to decrement
4009 * the ndlp reference count as we are in the process
4010 * of lpfc_nlp_release.
4014 spin_unlock_irq(&phba
->hbalock
);
4016 lpfc_els_abort(phba
, ndlp
);
4018 spin_lock_irq(shost
->host_lock
);
4019 ndlp
->nlp_flag
&= ~NLP_DELAY_TMO
;
4020 spin_unlock_irq(shost
->host_lock
);
4022 ndlp
->nlp_last_elscmd
= 0;
4023 del_timer_sync(&ndlp
->nlp_delayfunc
);
4025 list_del_init(&ndlp
->els_retry_evt
.evt_listp
);
4026 list_del_init(&ndlp
->dev_loss_evt
.evt_listp
);
4028 lpfc_unreg_rpi(vport
, ndlp
);
4034 * Check to see if we can free the nlp back to the freelist.
4035 * If we are in the middle of using the nlp in the discovery state
4036 * machine, defer the free till we reach the end of the state machine.
4039 lpfc_nlp_remove(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
4041 struct lpfc_hba
*phba
= vport
->phba
;
4042 struct lpfc_rport_data
*rdata
;
4046 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
4047 if ((ndlp
->nlp_flag
& NLP_DEFER_RM
) &&
4048 !(ndlp
->nlp_flag
& NLP_REG_LOGIN_SEND
) &&
4049 !(ndlp
->nlp_flag
& NLP_RPI_VALID
)) {
4050 /* For this case we need to cleanup the default rpi
4051 * allocated by the firmware.
4053 if ((mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
))
4055 rc
= lpfc_reg_rpi(phba
, vport
->vpi
, ndlp
->nlp_DID
,
4056 (uint8_t *) &vport
->fc_sparam
, mbox
, 0);
4058 mempool_free(mbox
, phba
->mbox_mem_pool
);
4061 mbox
->mbox_flag
|= LPFC_MBX_IMED_UNREG
;
4062 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_dflt_rpi
;
4063 mbox
->vport
= vport
;
4064 mbox
->context2
= NULL
;
4065 rc
=lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
4066 if (rc
== MBX_NOT_FINISHED
) {
4067 mempool_free(mbox
, phba
->mbox_mem_pool
);
4072 lpfc_cleanup_node(vport
, ndlp
);
4075 * We can get here with a non-NULL ndlp->rport because when we
4076 * unregister a rport we don't break the rport/node linkage. So if we
4077 * do, make sure we don't leaving any dangling pointers behind.
4080 rdata
= ndlp
->rport
->dd_data
;
4081 rdata
->pnode
= NULL
;
4087 lpfc_matchdid(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
4090 D_ID mydid
, ndlpdid
, matchdid
;
4092 if (did
== Bcast_DID
)
4095 /* First check for Direct match */
4096 if (ndlp
->nlp_DID
== did
)
4099 /* Next check for area/domain identically equals 0 match */
4100 mydid
.un
.word
= vport
->fc_myDID
;
4101 if ((mydid
.un
.b
.domain
== 0) && (mydid
.un
.b
.area
== 0)) {
4105 matchdid
.un
.word
= did
;
4106 ndlpdid
.un
.word
= ndlp
->nlp_DID
;
4107 if (matchdid
.un
.b
.id
== ndlpdid
.un
.b
.id
) {
4108 if ((mydid
.un
.b
.domain
== matchdid
.un
.b
.domain
) &&
4109 (mydid
.un
.b
.area
== matchdid
.un
.b
.area
)) {
4110 if ((ndlpdid
.un
.b
.domain
== 0) &&
4111 (ndlpdid
.un
.b
.area
== 0)) {
4112 if (ndlpdid
.un
.b
.id
)
4118 matchdid
.un
.word
= ndlp
->nlp_DID
;
4119 if ((mydid
.un
.b
.domain
== ndlpdid
.un
.b
.domain
) &&
4120 (mydid
.un
.b
.area
== ndlpdid
.un
.b
.area
)) {
4121 if ((matchdid
.un
.b
.domain
== 0) &&
4122 (matchdid
.un
.b
.area
== 0)) {
4123 if (matchdid
.un
.b
.id
)
4131 /* Search for a nodelist entry */
4132 static struct lpfc_nodelist
*
4133 __lpfc_findnode_did(struct lpfc_vport
*vport
, uint32_t did
)
4135 struct lpfc_nodelist
*ndlp
;
4138 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
4139 if (lpfc_matchdid(vport
, ndlp
, did
)) {
4140 data1
= (((uint32_t) ndlp
->nlp_state
<< 24) |
4141 ((uint32_t) ndlp
->nlp_xri
<< 16) |
4142 ((uint32_t) ndlp
->nlp_type
<< 8) |
4143 ((uint32_t) ndlp
->nlp_rpi
& 0xff));
4144 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
4145 "0929 FIND node DID "
4146 "Data: x%p x%x x%x x%x\n",
4147 ndlp
, ndlp
->nlp_DID
,
4148 ndlp
->nlp_flag
, data1
);
4153 /* FIND node did <did> NOT FOUND */
4154 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_NODE
,
4155 "0932 FIND node did x%x NOT FOUND.\n", did
);
4159 struct lpfc_nodelist
*
4160 lpfc_findnode_did(struct lpfc_vport
*vport
, uint32_t did
)
4162 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4163 struct lpfc_nodelist
*ndlp
;
4165 spin_lock_irq(shost
->host_lock
);
4166 ndlp
= __lpfc_findnode_did(vport
, did
);
4167 spin_unlock_irq(shost
->host_lock
);
4171 struct lpfc_nodelist
*
4172 lpfc_setup_disc_node(struct lpfc_vport
*vport
, uint32_t did
)
4174 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4175 struct lpfc_nodelist
*ndlp
;
4177 ndlp
= lpfc_findnode_did(vport
, did
);
4179 if ((vport
->fc_flag
& FC_RSCN_MODE
) != 0 &&
4180 lpfc_rscn_payload_check(vport
, did
) == 0)
4182 ndlp
= (struct lpfc_nodelist
*)
4183 mempool_alloc(vport
->phba
->nlp_mem_pool
, GFP_KERNEL
);
4186 lpfc_nlp_init(vport
, ndlp
, did
);
4187 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_NPR_NODE
);
4188 spin_lock_irq(shost
->host_lock
);
4189 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
4190 spin_unlock_irq(shost
->host_lock
);
4192 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
4193 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_NPR_NODE
);
4196 spin_lock_irq(shost
->host_lock
);
4197 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
4198 spin_unlock_irq(shost
->host_lock
);
4202 if ((vport
->fc_flag
& FC_RSCN_MODE
) &&
4203 !(vport
->fc_flag
& FC_NDISC_ACTIVE
)) {
4204 if (lpfc_rscn_payload_check(vport
, did
)) {
4205 /* If we've already recieved a PLOGI from this NPort
4206 * we don't need to try to discover it again.
4208 if (ndlp
->nlp_flag
& NLP_RCV_PLOGI
)
4211 /* Since this node is marked for discovery,
4212 * delay timeout is not needed.
4214 lpfc_cancel_retry_delay_tmo(vport
, ndlp
);
4215 spin_lock_irq(shost
->host_lock
);
4216 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
4217 spin_unlock_irq(shost
->host_lock
);
4221 /* If we've already recieved a PLOGI from this NPort,
4222 * or we are already in the process of discovery on it,
4223 * we don't need to try to discover it again.
4225 if (ndlp
->nlp_state
== NLP_STE_ADISC_ISSUE
||
4226 ndlp
->nlp_state
== NLP_STE_PLOGI_ISSUE
||
4227 ndlp
->nlp_flag
& NLP_RCV_PLOGI
)
4229 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_NPR_NODE
);
4230 spin_lock_irq(shost
->host_lock
);
4231 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
4232 spin_unlock_irq(shost
->host_lock
);
4237 /* Build a list of nodes to discover based on the loopmap */
4239 lpfc_disc_list_loopmap(struct lpfc_vport
*vport
)
4241 struct lpfc_hba
*phba
= vport
->phba
;
4243 uint32_t alpa
, index
;
4245 if (!lpfc_is_link_up(phba
))
4248 if (phba
->fc_topology
!= TOPOLOGY_LOOP
)
4251 /* Check for loop map present or not */
4252 if (phba
->alpa_map
[0]) {
4253 for (j
= 1; j
<= phba
->alpa_map
[0]; j
++) {
4254 alpa
= phba
->alpa_map
[j
];
4255 if (((vport
->fc_myDID
& 0xff) == alpa
) || (alpa
== 0))
4257 lpfc_setup_disc_node(vport
, alpa
);
4260 /* No alpamap, so try all alpa's */
4261 for (j
= 0; j
< FC_MAXLOOP
; j
++) {
4262 /* If cfg_scan_down is set, start from highest
4263 * ALPA (0xef) to lowest (0x1).
4265 if (vport
->cfg_scan_down
)
4268 index
= FC_MAXLOOP
- j
- 1;
4269 alpa
= lpfcAlpaArray
[index
];
4270 if ((vport
->fc_myDID
& 0xff) == alpa
)
4272 lpfc_setup_disc_node(vport
, alpa
);
4279 lpfc_issue_clear_la(struct lpfc_hba
*phba
, struct lpfc_vport
*vport
)
4282 struct lpfc_sli
*psli
= &phba
->sli
;
4283 struct lpfc_sli_ring
*extra_ring
= &psli
->ring
[psli
->extra_ring
];
4284 struct lpfc_sli_ring
*fcp_ring
= &psli
->ring
[psli
->fcp_ring
];
4285 struct lpfc_sli_ring
*next_ring
= &psli
->ring
[psli
->next_ring
];
4289 * if it's not a physical port or if we already send
4290 * clear_la then don't send it.
4292 if ((phba
->link_state
>= LPFC_CLEAR_LA
) ||
4293 (vport
->port_type
!= LPFC_PHYSICAL_PORT
) ||
4294 (phba
->sli_rev
== LPFC_SLI_REV4
))
4297 /* Link up discovery */
4298 if ((mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
)) != NULL
) {
4299 phba
->link_state
= LPFC_CLEAR_LA
;
4300 lpfc_clear_la(phba
, mbox
);
4301 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_clear_la
;
4302 mbox
->vport
= vport
;
4303 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
4304 if (rc
== MBX_NOT_FINISHED
) {
4305 mempool_free(mbox
, phba
->mbox_mem_pool
);
4306 lpfc_disc_flush_list(vport
);
4307 extra_ring
->flag
&= ~LPFC_STOP_IOCB_EVENT
;
4308 fcp_ring
->flag
&= ~LPFC_STOP_IOCB_EVENT
;
4309 next_ring
->flag
&= ~LPFC_STOP_IOCB_EVENT
;
4310 phba
->link_state
= LPFC_HBA_ERROR
;
4315 /* Reg_vpi to tell firmware to resume normal operations */
4317 lpfc_issue_reg_vpi(struct lpfc_hba
*phba
, struct lpfc_vport
*vport
)
4319 LPFC_MBOXQ_t
*regvpimbox
;
4321 regvpimbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4323 lpfc_reg_vpi(vport
, regvpimbox
);
4324 regvpimbox
->mbox_cmpl
= lpfc_mbx_cmpl_reg_vpi
;
4325 regvpimbox
->vport
= vport
;
4326 if (lpfc_sli_issue_mbox(phba
, regvpimbox
, MBX_NOWAIT
)
4327 == MBX_NOT_FINISHED
) {
4328 mempool_free(regvpimbox
, phba
->mbox_mem_pool
);
4333 /* Start Link up / RSCN discovery on NPR nodes */
4335 lpfc_disc_start(struct lpfc_vport
*vport
)
4337 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4338 struct lpfc_hba
*phba
= vport
->phba
;
4340 uint32_t clear_la_pending
;
4343 if (!lpfc_is_link_up(phba
))
4346 if (phba
->link_state
== LPFC_CLEAR_LA
)
4347 clear_la_pending
= 1;
4349 clear_la_pending
= 0;
4351 if (vport
->port_state
< LPFC_VPORT_READY
)
4352 vport
->port_state
= LPFC_DISC_AUTH
;
4354 lpfc_set_disctmo(vport
);
4356 if (vport
->fc_prevDID
== vport
->fc_myDID
)
4361 vport
->fc_prevDID
= vport
->fc_myDID
;
4362 vport
->num_disc_nodes
= 0;
4364 /* Start Discovery state <hba_state> */
4365 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_DISCOVERY
,
4366 "0202 Start Discovery hba state x%x "
4367 "Data: x%x x%x x%x\n",
4368 vport
->port_state
, vport
->fc_flag
, vport
->fc_plogi_cnt
,
4369 vport
->fc_adisc_cnt
);
4371 /* First do ADISCs - if any */
4372 num_sent
= lpfc_els_disc_adisc(vport
);
4378 * For SLI3, cmpl_reg_vpi will set port_state to READY, and
4379 * continue discovery.
4381 if ((phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
) &&
4382 !(vport
->fc_flag
& FC_PT2PT
) &&
4383 !(vport
->fc_flag
& FC_RSCN_MODE
) &&
4384 (phba
->sli_rev
< LPFC_SLI_REV4
)) {
4385 lpfc_issue_reg_vpi(phba
, vport
);
4390 * For SLI2, we need to set port_state to READY and continue
4393 if (vport
->port_state
< LPFC_VPORT_READY
&& !clear_la_pending
) {
4394 /* If we get here, there is nothing to ADISC */
4395 if (vport
->port_type
== LPFC_PHYSICAL_PORT
)
4396 lpfc_issue_clear_la(phba
, vport
);
4398 if (!(vport
->fc_flag
& FC_ABORT_DISCOVERY
)) {
4399 vport
->num_disc_nodes
= 0;
4400 /* go thru NPR nodes and issue ELS PLOGIs */
4401 if (vport
->fc_npr_cnt
)
4402 lpfc_els_disc_plogi(vport
);
4404 if (!vport
->num_disc_nodes
) {
4405 spin_lock_irq(shost
->host_lock
);
4406 vport
->fc_flag
&= ~FC_NDISC_ACTIVE
;
4407 spin_unlock_irq(shost
->host_lock
);
4408 lpfc_can_disctmo(vport
);
4411 vport
->port_state
= LPFC_VPORT_READY
;
4413 /* Next do PLOGIs - if any */
4414 num_sent
= lpfc_els_disc_plogi(vport
);
4419 if (vport
->fc_flag
& FC_RSCN_MODE
) {
4420 /* Check to see if more RSCNs came in while we
4421 * were processing this one.
4423 if ((vport
->fc_rscn_id_cnt
== 0) &&
4424 (!(vport
->fc_flag
& FC_RSCN_DISCOVERY
))) {
4425 spin_lock_irq(shost
->host_lock
);
4426 vport
->fc_flag
&= ~FC_RSCN_MODE
;
4427 spin_unlock_irq(shost
->host_lock
);
4428 lpfc_can_disctmo(vport
);
4430 lpfc_els_handle_rscn(vport
);
4437 * Ignore completion for all IOCBs on tx and txcmpl queue for ELS
4438 * ring the match the sppecified nodelist.
4441 lpfc_free_tx(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
)
4443 LIST_HEAD(completions
);
4444 struct lpfc_sli
*psli
;
4446 struct lpfc_iocbq
*iocb
, *next_iocb
;
4447 struct lpfc_sli_ring
*pring
;
4450 pring
= &psli
->ring
[LPFC_ELS_RING
];
4452 /* Error matching iocb on txq or txcmplq
4453 * First check the txq.
4455 spin_lock_irq(&phba
->hbalock
);
4456 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txq
, list
) {
4457 if (iocb
->context1
!= ndlp
) {
4461 if ((icmd
->ulpCommand
== CMD_ELS_REQUEST64_CR
) ||
4462 (icmd
->ulpCommand
== CMD_XMIT_ELS_RSP64_CX
)) {
4464 list_move_tail(&iocb
->list
, &completions
);
4469 /* Next check the txcmplq */
4470 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
, list
) {
4471 if (iocb
->context1
!= ndlp
) {
4475 if (icmd
->ulpCommand
== CMD_ELS_REQUEST64_CR
||
4476 icmd
->ulpCommand
== CMD_XMIT_ELS_RSP64_CX
) {
4477 lpfc_sli_issue_abort_iotag(phba
, pring
, iocb
);
4480 spin_unlock_irq(&phba
->hbalock
);
4482 /* Cancel all the IOCBs from the completions list */
4483 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
4488 lpfc_disc_flush_list(struct lpfc_vport
*vport
)
4490 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
4491 struct lpfc_hba
*phba
= vport
->phba
;
4493 if (vport
->fc_plogi_cnt
|| vport
->fc_adisc_cnt
) {
4494 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
,
4496 if (!NLP_CHK_NODE_ACT(ndlp
))
4498 if (ndlp
->nlp_state
== NLP_STE_PLOGI_ISSUE
||
4499 ndlp
->nlp_state
== NLP_STE_ADISC_ISSUE
) {
4500 lpfc_free_tx(phba
, ndlp
);
4507 lpfc_cleanup_discovery_resources(struct lpfc_vport
*vport
)
4509 lpfc_els_flush_rscn(vport
);
4510 lpfc_els_flush_cmd(vport
);
4511 lpfc_disc_flush_list(vport
);
4514 /*****************************************************************************/
4516 * NAME: lpfc_disc_timeout
4518 * FUNCTION: Fibre Channel driver discovery timeout routine.
4520 * EXECUTION ENVIRONMENT: interrupt only
4528 /*****************************************************************************/
4530 lpfc_disc_timeout(unsigned long ptr
)
4532 struct lpfc_vport
*vport
= (struct lpfc_vport
*) ptr
;
4533 struct lpfc_hba
*phba
= vport
->phba
;
4534 uint32_t tmo_posted
;
4535 unsigned long flags
= 0;
4537 if (unlikely(!phba
))
4540 spin_lock_irqsave(&vport
->work_port_lock
, flags
);
4541 tmo_posted
= vport
->work_port_events
& WORKER_DISC_TMO
;
4543 vport
->work_port_events
|= WORKER_DISC_TMO
;
4544 spin_unlock_irqrestore(&vport
->work_port_lock
, flags
);
4547 lpfc_worker_wake_up(phba
);
4552 lpfc_disc_timeout_handler(struct lpfc_vport
*vport
)
4554 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4555 struct lpfc_hba
*phba
= vport
->phba
;
4556 struct lpfc_sli
*psli
= &phba
->sli
;
4557 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
4558 LPFC_MBOXQ_t
*initlinkmbox
;
4559 int rc
, clrlaerr
= 0;
4561 if (!(vport
->fc_flag
& FC_DISC_TMO
))
4564 spin_lock_irq(shost
->host_lock
);
4565 vport
->fc_flag
&= ~FC_DISC_TMO
;
4566 spin_unlock_irq(shost
->host_lock
);
4568 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_ELS_CMD
,
4569 "disc timeout: state:x%x rtry:x%x flg:x%x",
4570 vport
->port_state
, vport
->fc_ns_retry
, vport
->fc_flag
);
4572 switch (vport
->port_state
) {
4574 case LPFC_LOCAL_CFG_LINK
:
4575 /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for
4579 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_DISCOVERY
,
4580 "0221 FAN timeout\n");
4581 /* Start discovery by sending FLOGI, clean up old rpis */
4582 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
,
4584 if (!NLP_CHK_NODE_ACT(ndlp
))
4586 if (ndlp
->nlp_state
!= NLP_STE_NPR_NODE
)
4588 if (ndlp
->nlp_type
& NLP_FABRIC
) {
4589 /* Clean up the ndlp on Fabric connections */
4590 lpfc_drop_node(vport
, ndlp
);
4592 } else if (!(ndlp
->nlp_flag
& NLP_NPR_ADISC
)) {
4593 /* Fail outstanding IO now since device
4594 * is marked for PLOGI.
4596 lpfc_unreg_rpi(vport
, ndlp
);
4599 if (vport
->port_state
!= LPFC_FLOGI
) {
4600 lpfc_initial_flogi(vport
);
4607 /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */
4608 /* Initial FLOGI timeout */
4609 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
4610 "0222 Initial %s timeout\n",
4611 vport
->vpi
? "FDISC" : "FLOGI");
4613 /* Assume no Fabric and go on with discovery.
4614 * Check for outstanding ELS FLOGI to abort.
4617 /* FLOGI failed, so just use loop map to make discovery list */
4618 lpfc_disc_list_loopmap(vport
);
4620 /* Start discovery */
4621 lpfc_disc_start(vport
);
4624 case LPFC_FABRIC_CFG_LINK
:
4625 /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for
4627 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
4628 "0223 Timeout while waiting for "
4629 "NameServer login\n");
4630 /* Next look for NameServer ndlp */
4631 ndlp
= lpfc_findnode_did(vport
, NameServer_DID
);
4632 if (ndlp
&& NLP_CHK_NODE_ACT(ndlp
))
4633 lpfc_els_abort(phba
, ndlp
);
4635 /* ReStart discovery */
4639 /* Check for wait for NameServer Rsp timeout */
4640 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
4641 "0224 NameServer Query timeout "
4643 vport
->fc_ns_retry
, LPFC_MAX_NS_RETRY
);
4645 if (vport
->fc_ns_retry
< LPFC_MAX_NS_RETRY
) {
4646 /* Try it one more time */
4647 vport
->fc_ns_retry
++;
4648 rc
= lpfc_ns_cmd(vport
, SLI_CTNS_GID_FT
,
4649 vport
->fc_ns_retry
, 0);
4653 vport
->fc_ns_retry
= 0;
4657 * Discovery is over.
4658 * set port_state to PORT_READY if SLI2.
4659 * cmpl_reg_vpi will set port_state to READY for SLI3.
4661 if (phba
->sli_rev
< LPFC_SLI_REV4
) {
4662 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
4663 lpfc_issue_reg_vpi(phba
, vport
);
4664 else { /* NPIV Not enabled */
4665 lpfc_issue_clear_la(phba
, vport
);
4666 vport
->port_state
= LPFC_VPORT_READY
;
4670 /* Setup and issue mailbox INITIALIZE LINK command */
4671 initlinkmbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4672 if (!initlinkmbox
) {
4673 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
4674 "0206 Device Discovery "
4675 "completion error\n");
4676 phba
->link_state
= LPFC_HBA_ERROR
;
4680 lpfc_linkdown(phba
);
4681 lpfc_init_link(phba
, initlinkmbox
, phba
->cfg_topology
,
4682 phba
->cfg_link_speed
);
4683 initlinkmbox
->u
.mb
.un
.varInitLnk
.lipsr_AL_PA
= 0;
4684 initlinkmbox
->vport
= vport
;
4685 initlinkmbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
4686 rc
= lpfc_sli_issue_mbox(phba
, initlinkmbox
, MBX_NOWAIT
);
4687 lpfc_set_loopback_flag(phba
);
4688 if (rc
== MBX_NOT_FINISHED
)
4689 mempool_free(initlinkmbox
, phba
->mbox_mem_pool
);
4693 case LPFC_DISC_AUTH
:
4694 /* Node Authentication timeout */
4695 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
4696 "0227 Node Authentication timeout\n");
4697 lpfc_disc_flush_list(vport
);
4700 * set port_state to PORT_READY if SLI2.
4701 * cmpl_reg_vpi will set port_state to READY for SLI3.
4703 if (phba
->sli_rev
< LPFC_SLI_REV4
) {
4704 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
4705 lpfc_issue_reg_vpi(phba
, vport
);
4706 else { /* NPIV Not enabled */
4707 lpfc_issue_clear_la(phba
, vport
);
4708 vport
->port_state
= LPFC_VPORT_READY
;
4713 case LPFC_VPORT_READY
:
4714 if (vport
->fc_flag
& FC_RSCN_MODE
) {
4715 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
4716 "0231 RSCN timeout Data: x%x "
4718 vport
->fc_ns_retry
, LPFC_MAX_NS_RETRY
);
4720 /* Cleanup any outstanding ELS commands */
4721 lpfc_els_flush_cmd(vport
);
4723 lpfc_els_flush_rscn(vport
);
4724 lpfc_disc_flush_list(vport
);
4729 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
4730 "0273 Unexpected discovery timeout, "
4731 "vport State x%x\n", vport
->port_state
);
4735 switch (phba
->link_state
) {
4737 /* CLEAR LA timeout */
4738 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
4739 "0228 CLEAR LA timeout\n");
4744 lpfc_issue_clear_la(phba
, vport
);
4746 case LPFC_LINK_UNKNOWN
:
4747 case LPFC_WARM_START
:
4748 case LPFC_INIT_START
:
4749 case LPFC_INIT_MBX_CMDS
:
4750 case LPFC_LINK_DOWN
:
4751 case LPFC_HBA_ERROR
:
4752 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
4753 "0230 Unexpected timeout, hba link "
4754 "state x%x\n", phba
->link_state
);
4758 case LPFC_HBA_READY
:
4763 lpfc_disc_flush_list(vport
);
4764 psli
->ring
[(psli
->extra_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
4765 psli
->ring
[(psli
->fcp_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
4766 psli
->ring
[(psli
->next_ring
)].flag
&= ~LPFC_STOP_IOCB_EVENT
;
4767 vport
->port_state
= LPFC_VPORT_READY
;
4774 * This routine handles processing a NameServer REG_LOGIN mailbox
4775 * command upon completion. It is setup in the LPFC_MBOXQ
4776 * as the completion routine when the command is
4777 * handed off to the SLI layer.
4780 lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
4782 MAILBOX_t
*mb
= &pmb
->u
.mb
;
4783 struct lpfc_dmabuf
*mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
4784 struct lpfc_nodelist
*ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
4785 struct lpfc_vport
*vport
= pmb
->vport
;
4787 pmb
->context1
= NULL
;
4788 pmb
->context2
= NULL
;
4790 ndlp
->nlp_rpi
= mb
->un
.varWords
[0];
4791 ndlp
->nlp_flag
|= NLP_RPI_VALID
;
4792 ndlp
->nlp_type
|= NLP_FABRIC
;
4793 lpfc_nlp_set_state(vport
, ndlp
, NLP_STE_UNMAPPED_NODE
);
4796 * Start issuing Fabric-Device Management Interface (FDMI) command to
4797 * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if
4798 * fdmi-on=2 (supporting RPA/hostnmae)
4801 if (vport
->cfg_fdmi_on
== 1)
4802 lpfc_fdmi_cmd(vport
, ndlp
, SLI_MGMT_DHBA
);
4804 mod_timer(&vport
->fc_fdmitmo
, jiffies
+ HZ
* 60);
4806 /* decrement the node reference count held for this callback
4810 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
4812 mempool_free(pmb
, phba
->mbox_mem_pool
);
4818 lpfc_filter_by_rpi(struct lpfc_nodelist
*ndlp
, void *param
)
4820 uint16_t *rpi
= param
;
4822 return ndlp
->nlp_rpi
== *rpi
;
4826 lpfc_filter_by_wwpn(struct lpfc_nodelist
*ndlp
, void *param
)
4828 return memcmp(&ndlp
->nlp_portname
, param
,
4829 sizeof(ndlp
->nlp_portname
)) == 0;
4832 static struct lpfc_nodelist
*
4833 __lpfc_find_node(struct lpfc_vport
*vport
, node_filter filter
, void *param
)
4835 struct lpfc_nodelist
*ndlp
;
4837 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
4838 if (filter(ndlp
, param
))
4845 * This routine looks up the ndlp lists for the given RPI. If rpi found it
4846 * returns the node list element pointer else return NULL.
4848 struct lpfc_nodelist
*
4849 __lpfc_findnode_rpi(struct lpfc_vport
*vport
, uint16_t rpi
)
4851 return __lpfc_find_node(vport
, lpfc_filter_by_rpi
, &rpi
);
4855 * This routine looks up the ndlp lists for the given WWPN. If WWPN found it
4856 * returns the node element list pointer else return NULL.
4858 struct lpfc_nodelist
*
4859 lpfc_findnode_wwpn(struct lpfc_vport
*vport
, struct lpfc_name
*wwpn
)
4861 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4862 struct lpfc_nodelist
*ndlp
;
4864 spin_lock_irq(shost
->host_lock
);
4865 ndlp
= __lpfc_find_node(vport
, lpfc_filter_by_wwpn
, wwpn
);
4866 spin_unlock_irq(shost
->host_lock
);
4871 lpfc_nlp_init(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
,
4874 memset(ndlp
, 0, sizeof (struct lpfc_nodelist
));
4876 lpfc_initialize_node(vport
, ndlp
, did
);
4877 INIT_LIST_HEAD(&ndlp
->nlp_listp
);
4879 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_NODE
,
4880 "node init: did:x%x",
4881 ndlp
->nlp_DID
, 0, 0);
4886 /* This routine releases all resources associated with a specifc NPort's ndlp
4887 * and mempool_free's the nodelist.
4890 lpfc_nlp_release(struct kref
*kref
)
4892 struct lpfc_hba
*phba
;
4893 unsigned long flags
;
4894 struct lpfc_nodelist
*ndlp
= container_of(kref
, struct lpfc_nodelist
,
4897 lpfc_debugfs_disc_trc(ndlp
->vport
, LPFC_DISC_TRC_NODE
,
4898 "node release: did:x%x flg:x%x type:x%x",
4899 ndlp
->nlp_DID
, ndlp
->nlp_flag
, ndlp
->nlp_type
);
4901 lpfc_printf_vlog(ndlp
->vport
, KERN_INFO
, LOG_NODE
,
4902 "0279 lpfc_nlp_release: ndlp:x%p "
4903 "usgmap:x%x refcnt:%d\n",
4904 (void *)ndlp
, ndlp
->nlp_usg_map
,
4905 atomic_read(&ndlp
->kref
.refcount
));
4907 /* remove ndlp from action. */
4908 lpfc_nlp_remove(ndlp
->vport
, ndlp
);
4910 /* clear the ndlp active flag for all release cases */
4912 spin_lock_irqsave(&phba
->ndlp_lock
, flags
);
4913 NLP_CLR_NODE_ACT(ndlp
);
4914 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
4916 /* free ndlp memory for final ndlp release */
4917 if (NLP_CHK_FREE_REQ(ndlp
)) {
4918 kfree(ndlp
->lat_data
);
4919 mempool_free(ndlp
, ndlp
->phba
->nlp_mem_pool
);
4923 /* This routine bumps the reference count for a ndlp structure to ensure
4924 * that one discovery thread won't free a ndlp while another discovery thread
4927 struct lpfc_nodelist
*
4928 lpfc_nlp_get(struct lpfc_nodelist
*ndlp
)
4930 struct lpfc_hba
*phba
;
4931 unsigned long flags
;
4934 lpfc_debugfs_disc_trc(ndlp
->vport
, LPFC_DISC_TRC_NODE
,
4935 "node get: did:x%x flg:x%x refcnt:x%x",
4936 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
4937 atomic_read(&ndlp
->kref
.refcount
));
4938 /* The check of ndlp usage to prevent incrementing the
4939 * ndlp reference count that is in the process of being
4943 spin_lock_irqsave(&phba
->ndlp_lock
, flags
);
4944 if (!NLP_CHK_NODE_ACT(ndlp
) || NLP_CHK_FREE_ACK(ndlp
)) {
4945 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
4946 lpfc_printf_vlog(ndlp
->vport
, KERN_WARNING
, LOG_NODE
,
4947 "0276 lpfc_nlp_get: ndlp:x%p "
4948 "usgmap:x%x refcnt:%d\n",
4949 (void *)ndlp
, ndlp
->nlp_usg_map
,
4950 atomic_read(&ndlp
->kref
.refcount
));
4953 kref_get(&ndlp
->kref
);
4954 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
4959 /* This routine decrements the reference count for a ndlp structure. If the
4960 * count goes to 0, this indicates the the associated nodelist should be
4961 * freed. Returning 1 indicates the ndlp resource has been released; on the
4962 * other hand, returning 0 indicates the ndlp resource has not been released
4966 lpfc_nlp_put(struct lpfc_nodelist
*ndlp
)
4968 struct lpfc_hba
*phba
;
4969 unsigned long flags
;
4974 lpfc_debugfs_disc_trc(ndlp
->vport
, LPFC_DISC_TRC_NODE
,
4975 "node put: did:x%x flg:x%x refcnt:x%x",
4976 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
4977 atomic_read(&ndlp
->kref
.refcount
));
4979 spin_lock_irqsave(&phba
->ndlp_lock
, flags
);
4980 /* Check the ndlp memory free acknowledge flag to avoid the
4981 * possible race condition that kref_put got invoked again
4982 * after previous one has done ndlp memory free.
4984 if (NLP_CHK_FREE_ACK(ndlp
)) {
4985 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
4986 lpfc_printf_vlog(ndlp
->vport
, KERN_WARNING
, LOG_NODE
,
4987 "0274 lpfc_nlp_put: ndlp:x%p "
4988 "usgmap:x%x refcnt:%d\n",
4989 (void *)ndlp
, ndlp
->nlp_usg_map
,
4990 atomic_read(&ndlp
->kref
.refcount
));
4993 /* Check the ndlp inactivate log flag to avoid the possible
4994 * race condition that kref_put got invoked again after ndlp
4995 * is already in inactivating state.
4997 if (NLP_CHK_IACT_REQ(ndlp
)) {
4998 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
4999 lpfc_printf_vlog(ndlp
->vport
, KERN_WARNING
, LOG_NODE
,
5000 "0275 lpfc_nlp_put: ndlp:x%p "
5001 "usgmap:x%x refcnt:%d\n",
5002 (void *)ndlp
, ndlp
->nlp_usg_map
,
5003 atomic_read(&ndlp
->kref
.refcount
));
5006 /* For last put, mark the ndlp usage flags to make sure no
5007 * other kref_get and kref_put on the same ndlp shall get
5008 * in between the process when the final kref_put has been
5009 * invoked on this ndlp.
5011 if (atomic_read(&ndlp
->kref
.refcount
) == 1) {
5012 /* Indicate ndlp is put to inactive state. */
5013 NLP_SET_IACT_REQ(ndlp
);
5014 /* Acknowledge ndlp memory free has been seen. */
5015 if (NLP_CHK_FREE_REQ(ndlp
))
5016 NLP_SET_FREE_ACK(ndlp
);
5018 spin_unlock_irqrestore(&phba
->ndlp_lock
, flags
);
5019 /* Note, the kref_put returns 1 when decrementing a reference
5020 * count that was 1, it invokes the release callback function,
5021 * but it still left the reference count as 1 (not actually
5022 * performs the last decrementation). Otherwise, it actually
5023 * decrements the reference count and returns 0.
5025 return kref_put(&ndlp
->kref
, lpfc_nlp_release
);
5028 /* This routine free's the specified nodelist if it is not in use
5029 * by any other discovery thread. This routine returns 1 if the
5030 * ndlp has been freed. A return value of 0 indicates the ndlp is
5031 * not yet been released.
5034 lpfc_nlp_not_used(struct lpfc_nodelist
*ndlp
)
5036 lpfc_debugfs_disc_trc(ndlp
->vport
, LPFC_DISC_TRC_NODE
,
5037 "node not used: did:x%x flg:x%x refcnt:x%x",
5038 ndlp
->nlp_DID
, ndlp
->nlp_flag
,
5039 atomic_read(&ndlp
->kref
.refcount
));
5040 if (atomic_read(&ndlp
->kref
.refcount
) == 1)
5041 if (lpfc_nlp_put(ndlp
))
5047 * lpfc_fcf_inuse - Check if FCF can be unregistered.
5048 * @phba: Pointer to hba context object.
5050 * This function iterate through all FC nodes associated
5051 * will all vports to check if there is any node with
5052 * fc_rports associated with it. If there is an fc_rport
5053 * associated with the node, then the node is either in
5054 * discovered state or its devloss_timer is pending.
5057 lpfc_fcf_inuse(struct lpfc_hba
*phba
)
5059 struct lpfc_vport
**vports
;
5061 struct lpfc_nodelist
*ndlp
;
5062 struct Scsi_Host
*shost
;
5064 vports
= lpfc_create_vport_work_array(phba
);
5066 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
5067 shost
= lpfc_shost_from_vport(vports
[i
]);
5068 spin_lock_irq(shost
->host_lock
);
5069 list_for_each_entry(ndlp
, &vports
[i
]->fc_nodes
, nlp_listp
) {
5070 if (NLP_CHK_NODE_ACT(ndlp
) && ndlp
->rport
&&
5071 (ndlp
->rport
->roles
& FC_RPORT_ROLE_FCP_TARGET
)) {
5073 spin_unlock_irq(shost
->host_lock
);
5076 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
5077 "2624 RPI %x DID %x flg %x still "
5079 ndlp
->nlp_rpi
, ndlp
->nlp_DID
,
5081 if (ndlp
->nlp_flag
& NLP_RPI_VALID
)
5085 spin_unlock_irq(shost
->host_lock
);
5088 lpfc_destroy_vport_work_array(phba
, vports
);
5093 * lpfc_unregister_vfi_cmpl - Completion handler for unreg vfi.
5094 * @phba: Pointer to hba context object.
5095 * @mboxq: Pointer to mailbox object.
5097 * This function frees memory associated with the mailbox command.
5100 lpfc_unregister_vfi_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
5102 struct lpfc_vport
*vport
= mboxq
->vport
;
5103 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
5105 if (mboxq
->u
.mb
.mbxStatus
) {
5106 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
|LOG_MBOX
,
5107 "2555 UNREG_VFI mbxStatus error x%x "
5109 mboxq
->u
.mb
.mbxStatus
, vport
->port_state
);
5111 spin_lock_irq(shost
->host_lock
);
5112 phba
->pport
->fc_flag
&= ~FC_VFI_REGISTERED
;
5113 spin_unlock_irq(shost
->host_lock
);
5114 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5119 * lpfc_unregister_fcfi_cmpl - Completion handler for unreg fcfi.
5120 * @phba: Pointer to hba context object.
5121 * @mboxq: Pointer to mailbox object.
5123 * This function frees memory associated with the mailbox command.
5126 lpfc_unregister_fcfi_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
5128 struct lpfc_vport
*vport
= mboxq
->vport
;
5130 if (mboxq
->u
.mb
.mbxStatus
) {
5131 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
|LOG_MBOX
,
5132 "2550 UNREG_FCFI mbxStatus error x%x "
5134 mboxq
->u
.mb
.mbxStatus
, vport
->port_state
);
5136 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5141 * lpfc_unregister_fcf_prep - Unregister fcf record preparation
5142 * @phba: Pointer to hba context object.
5144 * This function prepare the HBA for unregistering the currently registered
5145 * FCF from the HBA. It performs unregistering, in order, RPIs, VPIs, and
5149 lpfc_unregister_fcf_prep(struct lpfc_hba
*phba
)
5152 struct lpfc_vport
**vports
;
5153 struct lpfc_nodelist
*ndlp
;
5154 struct Scsi_Host
*shost
;
5157 /* Unregister RPIs */
5158 if (lpfc_fcf_inuse(phba
))
5159 lpfc_unreg_hba_rpis(phba
);
5161 /* At this point, all discovery is aborted */
5162 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
5164 /* Unregister VPIs */
5165 vports
= lpfc_create_vport_work_array(phba
);
5166 if (vports
&& (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
))
5167 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
5168 /* Stop FLOGI/FDISC retries */
5169 ndlp
= lpfc_findnode_did(vports
[i
], Fabric_DID
);
5171 lpfc_cancel_retry_delay_tmo(vports
[i
], ndlp
);
5172 lpfc_cleanup_pending_mbox(vports
[i
]);
5173 lpfc_mbx_unreg_vpi(vports
[i
]);
5174 shost
= lpfc_shost_from_vport(vports
[i
]);
5175 spin_lock_irq(shost
->host_lock
);
5176 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
5177 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
5178 spin_unlock_irq(shost
->host_lock
);
5180 lpfc_destroy_vport_work_array(phba
, vports
);
5182 /* Cleanup any outstanding ELS commands */
5183 lpfc_els_flush_all_cmd(phba
);
5185 /* Unregister VFI */
5186 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5188 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
|LOG_MBOX
,
5189 "2556 UNREG_VFI mbox allocation failed"
5190 "HBA state x%x\n", phba
->pport
->port_state
);
5194 lpfc_unreg_vfi(mbox
, phba
->pport
);
5195 mbox
->vport
= phba
->pport
;
5196 mbox
->mbox_cmpl
= lpfc_unregister_vfi_cmpl
;
5198 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
5199 if (rc
== MBX_NOT_FINISHED
) {
5200 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
|LOG_MBOX
,
5201 "2557 UNREG_VFI issue mbox failed rc x%x "
5203 rc
, phba
->pport
->port_state
);
5204 mempool_free(mbox
, phba
->mbox_mem_pool
);
5208 shost
= lpfc_shost_from_vport(phba
->pport
);
5209 spin_lock_irq(shost
->host_lock
);
5210 phba
->pport
->fc_flag
&= ~FC_VFI_REGISTERED
;
5211 spin_unlock_irq(shost
->host_lock
);
5217 * lpfc_sli4_unregister_fcf - Unregister currently registered FCF record
5218 * @phba: Pointer to hba context object.
5220 * This function issues synchronous unregister FCF mailbox command to HBA to
5221 * unregister the currently registered FCF record. The driver does not reset
5222 * the driver FCF usage state flags.
5224 * Return 0 if successfully issued, none-zero otherwise.
5227 lpfc_sli4_unregister_fcf(struct lpfc_hba
*phba
)
5232 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5234 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
|LOG_MBOX
,
5235 "2551 UNREG_FCFI mbox allocation failed"
5236 "HBA state x%x\n", phba
->pport
->port_state
);
5239 lpfc_unreg_fcfi(mbox
, phba
->fcf
.fcfi
);
5240 mbox
->vport
= phba
->pport
;
5241 mbox
->mbox_cmpl
= lpfc_unregister_fcfi_cmpl
;
5242 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
5244 if (rc
== MBX_NOT_FINISHED
) {
5245 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5246 "2552 Unregister FCFI command failed rc x%x "
5248 rc
, phba
->pport
->port_state
);
5255 * lpfc_unregister_fcf_rescan - Unregister currently registered fcf and rescan
5256 * @phba: Pointer to hba context object.
5258 * This function unregisters the currently reigstered FCF. This function
5259 * also tries to find another FCF for discovery by rescan the HBA FCF table.
5262 lpfc_unregister_fcf_rescan(struct lpfc_hba
*phba
)
5266 /* Preparation for unregistering fcf */
5267 rc
= lpfc_unregister_fcf_prep(phba
);
5269 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
5270 "2748 Failed to prepare for unregistering "
5271 "HBA's FCF record: rc=%d\n", rc
);
5275 /* Now, unregister FCF record and reset HBA FCF state */
5276 rc
= lpfc_sli4_unregister_fcf(phba
);
5279 /* Reset HBA FCF states after successful unregister FCF */
5280 phba
->fcf
.fcf_flag
= 0;
5281 phba
->fcf
.current_rec
.flag
= 0;
5284 * If driver is not unloading, check if there is any other
5285 * FCF record that can be used for discovery.
5287 if ((phba
->pport
->load_flag
& FC_UNLOADING
) ||
5288 (phba
->link_state
< LPFC_LINK_UP
))
5291 /* This is considered as the initial FCF discovery scan */
5292 spin_lock_irq(&phba
->hbalock
);
5293 phba
->fcf
.fcf_flag
|= FCF_INIT_DISC
;
5294 spin_unlock_irq(&phba
->hbalock
);
5296 /* Reset FCF roundrobin bmask for new discovery */
5297 memset(phba
->fcf
.fcf_rr_bmask
, 0, sizeof(*phba
->fcf
.fcf_rr_bmask
));
5299 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
5302 spin_lock_irq(&phba
->hbalock
);
5303 phba
->fcf
.fcf_flag
&= ~FCF_INIT_DISC
;
5304 spin_unlock_irq(&phba
->hbalock
);
5305 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
|LOG_MBOX
,
5306 "2553 lpfc_unregister_unused_fcf failed "
5307 "to read FCF record HBA state x%x\n",
5308 phba
->pport
->port_state
);
5313 * lpfc_unregister_fcf - Unregister the currently registered fcf record
5314 * @phba: Pointer to hba context object.
5316 * This function just unregisters the currently reigstered FCF. It does not
5317 * try to find another FCF for discovery.
5320 lpfc_unregister_fcf(struct lpfc_hba
*phba
)
5324 /* Preparation for unregistering fcf */
5325 rc
= lpfc_unregister_fcf_prep(phba
);
5327 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
5328 "2749 Failed to prepare for unregistering "
5329 "HBA's FCF record: rc=%d\n", rc
);
5333 /* Now, unregister FCF record and reset HBA FCF state */
5334 rc
= lpfc_sli4_unregister_fcf(phba
);
5337 /* Set proper HBA FCF states after successful unregister FCF */
5338 spin_lock_irq(&phba
->hbalock
);
5339 phba
->fcf
.fcf_flag
&= ~FCF_REGISTERED
;
5340 spin_unlock_irq(&phba
->hbalock
);
5344 * lpfc_unregister_unused_fcf - Unregister FCF if all devices are disconnected.
5345 * @phba: Pointer to hba context object.
5347 * This function check if there are any connected remote port for the FCF and
5348 * if all the devices are disconnected, this function unregister FCFI.
5349 * This function also tries to use another FCF for discovery.
5352 lpfc_unregister_unused_fcf(struct lpfc_hba
*phba
)
5355 * If HBA is not running in FIP mode, if HBA does not support
5356 * FCoE, if FCF discovery is ongoing, or if FCF has not been
5357 * registered, do nothing.
5359 spin_lock_irq(&phba
->hbalock
);
5360 if (!(phba
->hba_flag
& HBA_FCOE_SUPPORT
) ||
5361 !(phba
->fcf
.fcf_flag
& FCF_REGISTERED
) ||
5362 !(phba
->hba_flag
& HBA_FIP_SUPPORT
) ||
5363 (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) ||
5364 (phba
->pport
->port_state
== LPFC_FLOGI
)) {
5365 spin_unlock_irq(&phba
->hbalock
);
5368 spin_unlock_irq(&phba
->hbalock
);
5370 if (lpfc_fcf_inuse(phba
))
5373 lpfc_unregister_fcf_rescan(phba
);
5377 * lpfc_read_fcf_conn_tbl - Create driver FCF connection table.
5378 * @phba: Pointer to hba context object.
5379 * @buff: Buffer containing the FCF connection table as in the config
5381 * This function create driver data structure for the FCF connection
5382 * record table read from config region 23.
5385 lpfc_read_fcf_conn_tbl(struct lpfc_hba
*phba
,
5388 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
5389 struct lpfc_fcf_conn_hdr
*conn_hdr
;
5390 struct lpfc_fcf_conn_rec
*conn_rec
;
5391 uint32_t record_count
;
5394 /* Free the current connect table */
5395 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
5396 &phba
->fcf_conn_rec_list
, list
) {
5397 list_del_init(&conn_entry
->list
);
5401 conn_hdr
= (struct lpfc_fcf_conn_hdr
*) buff
;
5402 record_count
= conn_hdr
->length
* sizeof(uint32_t)/
5403 sizeof(struct lpfc_fcf_conn_rec
);
5405 conn_rec
= (struct lpfc_fcf_conn_rec
*)
5406 (buff
+ sizeof(struct lpfc_fcf_conn_hdr
));
5408 for (i
= 0; i
< record_count
; i
++) {
5409 if (!(conn_rec
[i
].flags
& FCFCNCT_VALID
))
5411 conn_entry
= kzalloc(sizeof(struct lpfc_fcf_conn_entry
),
5414 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5415 "2566 Failed to allocate connection"
5420 memcpy(&conn_entry
->conn_rec
, &conn_rec
[i
],
5421 sizeof(struct lpfc_fcf_conn_rec
));
5422 conn_entry
->conn_rec
.vlan_tag
=
5423 le16_to_cpu(conn_entry
->conn_rec
.vlan_tag
) & 0xFFF;
5424 conn_entry
->conn_rec
.flags
=
5425 le16_to_cpu(conn_entry
->conn_rec
.flags
);
5426 list_add_tail(&conn_entry
->list
,
5427 &phba
->fcf_conn_rec_list
);
5432 * lpfc_read_fcoe_param - Read FCoe parameters from conf region..
5433 * @phba: Pointer to hba context object.
5434 * @buff: Buffer containing the FCoE parameter data structure.
5436 * This function update driver data structure with config
5437 * parameters read from config region 23.
5440 lpfc_read_fcoe_param(struct lpfc_hba
*phba
,
5443 struct lpfc_fip_param_hdr
*fcoe_param_hdr
;
5444 struct lpfc_fcoe_params
*fcoe_param
;
5446 fcoe_param_hdr
= (struct lpfc_fip_param_hdr
*)
5448 fcoe_param
= (struct lpfc_fcoe_params
*)
5449 (buff
+ sizeof(struct lpfc_fip_param_hdr
));
5451 if ((fcoe_param_hdr
->parm_version
!= FIPP_VERSION
) ||
5452 (fcoe_param_hdr
->length
!= FCOE_PARAM_LENGTH
))
5455 if (fcoe_param_hdr
->parm_flags
& FIPP_VLAN_VALID
) {
5456 phba
->valid_vlan
= 1;
5457 phba
->vlan_id
= le16_to_cpu(fcoe_param
->vlan_tag
) &
5461 phba
->fc_map
[0] = fcoe_param
->fc_map
[0];
5462 phba
->fc_map
[1] = fcoe_param
->fc_map
[1];
5463 phba
->fc_map
[2] = fcoe_param
->fc_map
[2];
5468 * lpfc_get_rec_conf23 - Get a record type in config region data.
5469 * @buff: Buffer containing config region 23 data.
5470 * @size: Size of the data buffer.
5471 * @rec_type: Record type to be searched.
5473 * This function searches config region data to find the begining
5474 * of the record specified by record_type. If record found, this
5475 * function return pointer to the record else return NULL.
5478 lpfc_get_rec_conf23(uint8_t *buff
, uint32_t size
, uint8_t rec_type
)
5480 uint32_t offset
= 0, rec_length
;
5482 if ((buff
[0] == LPFC_REGION23_LAST_REC
) ||
5483 (size
< sizeof(uint32_t)))
5486 rec_length
= buff
[offset
+ 1];
5489 * One TLV record has one word header and number of data words
5490 * specified in the rec_length field of the record header.
5492 while ((offset
+ rec_length
* sizeof(uint32_t) + sizeof(uint32_t))
5494 if (buff
[offset
] == rec_type
)
5495 return &buff
[offset
];
5497 if (buff
[offset
] == LPFC_REGION23_LAST_REC
)
5500 offset
+= rec_length
* sizeof(uint32_t) + sizeof(uint32_t);
5501 rec_length
= buff
[offset
+ 1];
5507 * lpfc_parse_fcoe_conf - Parse FCoE config data read from config region 23.
5508 * @phba: Pointer to lpfc_hba data structure.
5509 * @buff: Buffer containing config region 23 data.
5510 * @size: Size of the data buffer.
5512 * This function parses the FCoE config parameters in config region 23 and
5513 * populate driver data structure with the parameters.
5516 lpfc_parse_fcoe_conf(struct lpfc_hba
*phba
,
5520 uint32_t offset
= 0, rec_length
;
5524 * If data size is less than 2 words signature and version cannot be
5527 if (size
< 2*sizeof(uint32_t))
5530 /* Check the region signature first */
5531 if (memcmp(buff
, LPFC_REGION23_SIGNATURE
, 4)) {
5532 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5533 "2567 Config region 23 has bad signature\n");
5539 /* Check the data structure version */
5540 if (buff
[offset
] != LPFC_REGION23_VERSION
) {
5541 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5542 "2568 Config region 23 has bad version\n");
5547 rec_length
= buff
[offset
+ 1];
5549 /* Read FCoE param record */
5550 rec_ptr
= lpfc_get_rec_conf23(&buff
[offset
],
5551 size
- offset
, FCOE_PARAM_TYPE
);
5553 lpfc_read_fcoe_param(phba
, rec_ptr
);
5555 /* Read FCF connection table */
5556 rec_ptr
= lpfc_get_rec_conf23(&buff
[offset
],
5557 size
- offset
, FCOE_CONN_TBL_TYPE
);
5559 lpfc_read_fcf_conn_tbl(phba
, rec_ptr
);