1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2006 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
22 #include <linux/blkdev.h>
23 #include <linux/pci.h>
24 #include <linux/interrupt.h>
26 #include <scsi/scsi.h>
27 #include <scsi/scsi_device.h>
28 #include <scsi/scsi_host.h>
29 #include <scsi/scsi_transport_fc.h>
33 #include "lpfc_disc.h"
34 #include "lpfc_scsi.h"
36 #include "lpfc_logmsg.h"
37 #include "lpfc_crtn.h"
39 static int lpfc_els_retry(struct lpfc_hba
*, struct lpfc_iocbq
*,
41 static int lpfc_max_els_tries
= 3;
44 lpfc_els_chk_latt(struct lpfc_hba
* phba
)
46 struct lpfc_sli
*psli
;
53 if ((phba
->hba_state
>= LPFC_HBA_READY
) ||
54 (phba
->hba_state
== LPFC_LINK_DOWN
))
57 /* Read the HBA Host Attention Register */
58 spin_lock_irq(phba
->host
->host_lock
);
59 ha_copy
= readl(phba
->HAregaddr
);
60 spin_unlock_irq(phba
->host
->host_lock
);
62 if (!(ha_copy
& HA_LATT
))
65 /* Pending Link Event during Discovery */
66 lpfc_printf_log(phba
, KERN_WARNING
, LOG_DISCOVERY
,
67 "%d:0237 Pending Link Event during "
68 "Discovery: State x%x\n",
69 phba
->brd_no
, phba
->hba_state
);
71 /* CLEAR_LA should re-enable link attention events and
72 * we should then imediately take a LATT event. The
73 * LATT processing should call lpfc_linkdown() which
74 * will cleanup any left over in-progress discovery
77 spin_lock_irq(phba
->host
->host_lock
);
78 phba
->fc_flag
|= FC_ABORT_DISCOVERY
;
79 spin_unlock_irq(phba
->host
->host_lock
);
81 if (phba
->hba_state
!= LPFC_CLEAR_LA
) {
82 if ((mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
))) {
83 phba
->hba_state
= LPFC_CLEAR_LA
;
84 lpfc_clear_la(phba
, mbox
);
85 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_clear_la
;
86 rc
= lpfc_sli_issue_mbox (phba
, mbox
,
87 (MBX_NOWAIT
| MBX_STOP_IOCB
));
88 if (rc
== MBX_NOT_FINISHED
) {
89 mempool_free(mbox
, phba
->mbox_mem_pool
);
90 phba
->hba_state
= LPFC_HBA_ERROR
;
99 static struct lpfc_iocbq
*
100 lpfc_prep_els_iocb(struct lpfc_hba
* phba
, uint8_t expectRsp
,
101 uint16_t cmdSize
, uint8_t retry
, struct lpfc_nodelist
* ndlp
,
102 uint32_t did
, uint32_t elscmd
)
104 struct lpfc_sli_ring
*pring
;
105 struct lpfc_iocbq
*elsiocb
;
106 struct lpfc_dmabuf
*pcmd
, *prsp
, *pbuflist
;
107 struct ulp_bde64
*bpl
;
110 pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
112 if (phba
->hba_state
< LPFC_LINK_UP
)
115 /* Allocate buffer for command iocb */
116 spin_lock_irq(phba
->host
->host_lock
);
117 elsiocb
= lpfc_sli_get_iocbq(phba
);
118 spin_unlock_irq(phba
->host
->host_lock
);
122 icmd
= &elsiocb
->iocb
;
124 /* fill in BDEs for command */
125 /* Allocate buffer for command payload */
126 if (((pcmd
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
)) == 0) ||
127 ((pcmd
->virt
= lpfc_mbuf_alloc(phba
,
128 MEM_PRI
, &(pcmd
->phys
))) == 0)) {
131 spin_lock_irq(phba
->host
->host_lock
);
132 lpfc_sli_release_iocbq(phba
, elsiocb
);
133 spin_unlock_irq(phba
->host
->host_lock
);
137 INIT_LIST_HEAD(&pcmd
->list
);
139 /* Allocate buffer for response payload */
141 prsp
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
143 prsp
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
145 if (prsp
== 0 || prsp
->virt
== 0) {
147 lpfc_mbuf_free(phba
, pcmd
->virt
, pcmd
->phys
);
149 spin_lock_irq(phba
->host
->host_lock
);
150 lpfc_sli_release_iocbq(phba
, elsiocb
);
151 spin_unlock_irq(phba
->host
->host_lock
);
154 INIT_LIST_HEAD(&prsp
->list
);
159 /* Allocate buffer for Buffer ptr list */
160 pbuflist
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
162 pbuflist
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
164 if (pbuflist
== 0 || pbuflist
->virt
== 0) {
165 spin_lock_irq(phba
->host
->host_lock
);
166 lpfc_sli_release_iocbq(phba
, elsiocb
);
167 spin_unlock_irq(phba
->host
->host_lock
);
168 lpfc_mbuf_free(phba
, pcmd
->virt
, pcmd
->phys
);
169 lpfc_mbuf_free(phba
, prsp
->virt
, prsp
->phys
);
176 INIT_LIST_HEAD(&pbuflist
->list
);
178 icmd
->un
.elsreq64
.bdl
.addrHigh
= putPaddrHigh(pbuflist
->phys
);
179 icmd
->un
.elsreq64
.bdl
.addrLow
= putPaddrLow(pbuflist
->phys
);
180 icmd
->un
.elsreq64
.bdl
.bdeFlags
= BUFF_TYPE_BDL
;
182 icmd
->un
.elsreq64
.bdl
.bdeSize
= (2 * sizeof (struct ulp_bde64
));
183 icmd
->un
.elsreq64
.remoteID
= did
; /* DID */
184 icmd
->ulpCommand
= CMD_ELS_REQUEST64_CR
;
185 icmd
->ulpTimeout
= phba
->fc_ratov
* 2;
187 icmd
->un
.elsreq64
.bdl
.bdeSize
= sizeof (struct ulp_bde64
);
188 icmd
->ulpCommand
= CMD_XMIT_ELS_RSP64_CX
;
191 icmd
->ulpBdeCount
= 1;
193 icmd
->ulpClass
= CLASS3
;
195 bpl
= (struct ulp_bde64
*) pbuflist
->virt
;
196 bpl
->addrLow
= le32_to_cpu(putPaddrLow(pcmd
->phys
));
197 bpl
->addrHigh
= le32_to_cpu(putPaddrHigh(pcmd
->phys
));
198 bpl
->tus
.f
.bdeSize
= cmdSize
;
199 bpl
->tus
.f
.bdeFlags
= 0;
200 bpl
->tus
.w
= le32_to_cpu(bpl
->tus
.w
);
204 bpl
->addrLow
= le32_to_cpu(putPaddrLow(prsp
->phys
));
205 bpl
->addrHigh
= le32_to_cpu(putPaddrHigh(prsp
->phys
));
206 bpl
->tus
.f
.bdeSize
= FCELSSIZE
;
207 bpl
->tus
.f
.bdeFlags
= BUFF_USE_RCV
;
208 bpl
->tus
.w
= le32_to_cpu(bpl
->tus
.w
);
211 /* Save for completion so we can release these resources */
212 elsiocb
->context1
= lpfc_nlp_get(ndlp
);
213 elsiocb
->context2
= pcmd
;
214 elsiocb
->context3
= pbuflist
;
215 elsiocb
->retry
= retry
;
216 elsiocb
->drvrTimeout
= (phba
->fc_ratov
<< 1) + LPFC_DRVR_TIMEOUT
;
219 list_add(&prsp
->list
, &pcmd
->list
);
223 /* Xmit ELS command <elsCmd> to remote NPORT <did> */
224 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
225 "%d:0116 Xmit ELS command x%x to remote "
226 "NPORT x%x I/O tag: x%x, HBA state: x%x\n",
227 phba
->brd_no
, elscmd
,
228 did
, elsiocb
->iotag
, phba
->hba_state
);
230 /* Xmit ELS response <elsCmd> to remote NPORT <did> */
231 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
232 "%d:0117 Xmit ELS response x%x to remote "
233 "NPORT x%x I/O tag: x%x, size: x%x\n",
234 phba
->brd_no
, elscmd
,
235 ndlp
->nlp_DID
, elsiocb
->iotag
, cmdSize
);
243 lpfc_cmpl_els_flogi_fabric(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
,
244 struct serv_parm
*sp
, IOCB_t
*irsp
)
247 struct lpfc_dmabuf
*mp
;
250 spin_lock_irq(phba
->host
->host_lock
);
251 phba
->fc_flag
|= FC_FABRIC
;
252 spin_unlock_irq(phba
->host
->host_lock
);
254 phba
->fc_edtov
= be32_to_cpu(sp
->cmn
.e_d_tov
);
255 if (sp
->cmn
.edtovResolution
) /* E_D_TOV ticks are in nanoseconds */
256 phba
->fc_edtov
= (phba
->fc_edtov
+ 999999) / 1000000;
258 phba
->fc_ratov
= (be32_to_cpu(sp
->cmn
.w2
.r_a_tov
) + 999) / 1000;
260 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
261 spin_lock_irq(phba
->host
->host_lock
);
262 phba
->fc_flag
|= FC_PUBLIC_LOOP
;
263 spin_unlock_irq(phba
->host
->host_lock
);
266 * If we are a N-port connected to a Fabric, fixup sparam's so
267 * logins to devices on remote loops work.
269 phba
->fc_sparam
.cmn
.altBbCredit
= 1;
272 phba
->fc_myDID
= irsp
->un
.ulpWord
[4] & Mask_DID
;
273 memcpy(&ndlp
->nlp_portname
, &sp
->portName
, sizeof(struct lpfc_name
));
274 memcpy(&ndlp
->nlp_nodename
, &sp
->nodeName
, sizeof (struct lpfc_name
));
275 ndlp
->nlp_class_sup
= 0;
276 if (sp
->cls1
.classValid
)
277 ndlp
->nlp_class_sup
|= FC_COS_CLASS1
;
278 if (sp
->cls2
.classValid
)
279 ndlp
->nlp_class_sup
|= FC_COS_CLASS2
;
280 if (sp
->cls3
.classValid
)
281 ndlp
->nlp_class_sup
|= FC_COS_CLASS3
;
282 if (sp
->cls4
.classValid
)
283 ndlp
->nlp_class_sup
|= FC_COS_CLASS4
;
284 ndlp
->nlp_maxframe
= ((sp
->cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
285 sp
->cmn
.bbRcvSizeLsb
;
286 memcpy(&phba
->fc_fabparam
, sp
, sizeof(struct serv_parm
));
288 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
292 phba
->hba_state
= LPFC_FABRIC_CFG_LINK
;
293 lpfc_config_link(phba
, mbox
);
294 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
296 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
| MBX_STOP_IOCB
);
297 if (rc
== MBX_NOT_FINISHED
)
300 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
304 if (lpfc_reg_login(phba
, Fabric_DID
, (uint8_t *) sp
, mbox
, 0))
307 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_fabric_reg_login
;
308 mbox
->context2
= lpfc_nlp_get(ndlp
);
310 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
| MBX_STOP_IOCB
);
311 if (rc
== MBX_NOT_FINISHED
)
312 goto fail_issue_reg_login
;
316 fail_issue_reg_login
:
318 mp
= (struct lpfc_dmabuf
*) mbox
->context1
;
319 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
322 mempool_free(mbox
, phba
->mbox_mem_pool
);
328 * We FLOGIed into an NPort, initiate pt2pt protocol
331 lpfc_cmpl_els_flogi_nport(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
,
332 struct serv_parm
*sp
)
337 spin_lock_irq(phba
->host
->host_lock
);
338 phba
->fc_flag
&= ~(FC_FABRIC
| FC_PUBLIC_LOOP
);
339 spin_unlock_irq(phba
->host
->host_lock
);
341 phba
->fc_edtov
= FF_DEF_EDTOV
;
342 phba
->fc_ratov
= FF_DEF_RATOV
;
343 rc
= memcmp(&phba
->fc_portname
, &sp
->portName
,
344 sizeof(struct lpfc_name
));
346 /* This side will initiate the PLOGI */
347 spin_lock_irq(phba
->host
->host_lock
);
348 phba
->fc_flag
|= FC_PT2PT_PLOGI
;
349 spin_unlock_irq(phba
->host
->host_lock
);
352 * N_Port ID cannot be 0, set our to LocalID the other
353 * side will be RemoteID.
358 phba
->fc_myDID
= PT2PT_LocalID
;
360 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
364 lpfc_config_link(phba
, mbox
);
366 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
367 rc
= lpfc_sli_issue_mbox(phba
, mbox
,
368 MBX_NOWAIT
| MBX_STOP_IOCB
);
369 if (rc
== MBX_NOT_FINISHED
) {
370 mempool_free(mbox
, phba
->mbox_mem_pool
);
375 ndlp
= lpfc_findnode_did(phba
, PT2PT_RemoteID
);
378 * Cannot find existing Fabric ndlp, so allocate a
381 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
385 lpfc_nlp_init(phba
, ndlp
, PT2PT_RemoteID
);
388 memcpy(&ndlp
->nlp_portname
, &sp
->portName
,
389 sizeof(struct lpfc_name
));
390 memcpy(&ndlp
->nlp_nodename
, &sp
->nodeName
,
391 sizeof(struct lpfc_name
));
392 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_NPR_NODE
);
393 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
395 /* This side will wait for the PLOGI */
399 spin_lock_irq(phba
->host
->host_lock
);
400 phba
->fc_flag
|= FC_PT2PT
;
401 spin_unlock_irq(phba
->host
->host_lock
);
403 /* Start discovery - this should just do CLEAR_LA */
404 lpfc_disc_start(phba
);
411 lpfc_cmpl_els_flogi(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdiocb
,
412 struct lpfc_iocbq
*rspiocb
)
414 IOCB_t
*irsp
= &rspiocb
->iocb
;
415 struct lpfc_nodelist
*ndlp
= cmdiocb
->context1
;
416 struct lpfc_dmabuf
*pcmd
= cmdiocb
->context2
, *prsp
;
417 struct serv_parm
*sp
;
420 /* Check to see if link went down during discovery */
421 if (lpfc_els_chk_latt(phba
)) {
426 if (irsp
->ulpStatus
) {
427 /* Check for retry */
428 if (lpfc_els_retry(phba
, cmdiocb
, rspiocb
)) {
429 /* ELS command is being retried */
432 /* FLOGI failed, so there is no fabric */
433 spin_lock_irq(phba
->host
->host_lock
);
434 phba
->fc_flag
&= ~(FC_FABRIC
| FC_PUBLIC_LOOP
);
435 spin_unlock_irq(phba
->host
->host_lock
);
437 /* If private loop, then allow max outstanding els to be
438 * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no
439 * alpa map would take too long otherwise.
441 if (phba
->alpa_map
[0] == 0) {
442 phba
->cfg_discovery_threads
= LPFC_MAX_DISC_THREADS
;
446 lpfc_printf_log(phba
,
449 "%d:0100 FLOGI failure Data: x%x x%x x%x\n",
451 irsp
->ulpStatus
, irsp
->un
.ulpWord
[4],
457 * The FLogI succeeded. Sync the data for the CPU before
460 prsp
= list_get_first(&pcmd
->list
, struct lpfc_dmabuf
, list
);
462 sp
= prsp
->virt
+ sizeof(uint32_t);
464 /* FLOGI completes successfully */
465 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
466 "%d:0101 FLOGI completes sucessfully "
467 "Data: x%x x%x x%x x%x\n",
469 irsp
->un
.ulpWord
[4], sp
->cmn
.e_d_tov
,
470 sp
->cmn
.w2
.r_a_tov
, sp
->cmn
.edtovResolution
);
472 if (phba
->hba_state
== LPFC_FLOGI
) {
474 * If Common Service Parameters indicate Nport
475 * we are point to point, if Fport we are Fabric.
478 rc
= lpfc_cmpl_els_flogi_fabric(phba
, ndlp
, sp
, irsp
);
480 rc
= lpfc_cmpl_els_flogi_nport(phba
, ndlp
, sp
);
489 if (irsp
->ulpStatus
!= IOSTAT_LOCAL_REJECT
||
490 (irsp
->un
.ulpWord
[4] != IOERR_SLI_ABORTED
&&
491 irsp
->un
.ulpWord
[4] != IOERR_SLI_DOWN
)) {
492 /* FLOGI failed, so just use loop map to make discovery list */
493 lpfc_disc_list_loopmap(phba
);
495 /* Start discovery */
496 lpfc_disc_start(phba
);
500 lpfc_els_free_iocb(phba
, cmdiocb
);
504 lpfc_issue_els_flogi(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
,
507 struct serv_parm
*sp
;
509 struct lpfc_iocbq
*elsiocb
;
510 struct lpfc_sli_ring
*pring
;
516 pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
518 cmdsize
= (sizeof (uint32_t) + sizeof (struct serv_parm
));
519 elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
, ndlp
,
520 ndlp
->nlp_DID
, ELS_CMD_FLOGI
);
524 icmd
= &elsiocb
->iocb
;
525 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
527 /* For FLOGI request, remainder of payload is service parameters */
528 *((uint32_t *) (pcmd
)) = ELS_CMD_FLOGI
;
529 pcmd
+= sizeof (uint32_t);
530 memcpy(pcmd
, &phba
->fc_sparam
, sizeof (struct serv_parm
));
531 sp
= (struct serv_parm
*) pcmd
;
533 /* Setup CSPs accordingly for Fabric */
535 sp
->cmn
.w2
.r_a_tov
= 0;
536 sp
->cls1
.classValid
= 0;
537 sp
->cls2
.seqDelivery
= 1;
538 sp
->cls3
.seqDelivery
= 1;
539 if (sp
->cmn
.fcphLow
< FC_PH3
)
540 sp
->cmn
.fcphLow
= FC_PH3
;
541 if (sp
->cmn
.fcphHigh
< FC_PH3
)
542 sp
->cmn
.fcphHigh
= FC_PH3
;
544 tmo
= phba
->fc_ratov
;
545 phba
->fc_ratov
= LPFC_DISC_FLOGI_TMO
;
546 lpfc_set_disctmo(phba
);
547 phba
->fc_ratov
= tmo
;
549 phba
->fc_stat
.elsXmitFLOGI
++;
550 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_flogi
;
551 spin_lock_irq(phba
->host
->host_lock
);
552 rc
= lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0);
553 spin_unlock_irq(phba
->host
->host_lock
);
554 if (rc
== IOCB_ERROR
) {
555 lpfc_els_free_iocb(phba
, elsiocb
);
562 lpfc_els_abort_flogi(struct lpfc_hba
* phba
)
564 struct lpfc_sli_ring
*pring
;
565 struct lpfc_iocbq
*iocb
, *next_iocb
;
566 struct lpfc_nodelist
*ndlp
;
569 /* Abort outstanding I/O on NPort <nlp_DID> */
570 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
571 "%d:0201 Abort outstanding I/O on NPort x%x\n",
572 phba
->brd_no
, Fabric_DID
);
574 pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
577 * Check the txcmplq for an iocb that matches the nport the driver is
580 spin_lock_irq(phba
->host
->host_lock
);
581 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
, list
) {
583 if (icmd
->ulpCommand
== CMD_ELS_REQUEST64_CR
) {
584 ndlp
= (struct lpfc_nodelist
*)(iocb
->context1
);
585 if (ndlp
&& (ndlp
->nlp_DID
== Fabric_DID
))
586 lpfc_sli_issue_abort_iotag(phba
, pring
, iocb
);
589 spin_unlock_irq(phba
->host
->host_lock
);
595 lpfc_initial_flogi(struct lpfc_hba
*phba
)
597 struct lpfc_nodelist
*ndlp
;
599 /* First look for the Fabric ndlp */
600 ndlp
= lpfc_findnode_did(phba
, Fabric_DID
);
602 /* Cannot find existing Fabric ndlp, so allocate a new one */
603 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
606 lpfc_nlp_init(phba
, ndlp
, Fabric_DID
);
608 lpfc_dequeue_node(phba
, ndlp
);
610 if (lpfc_issue_els_flogi(phba
, ndlp
, 0)) {
617 lpfc_more_plogi(struct lpfc_hba
* phba
)
621 if (phba
->num_disc_nodes
)
622 phba
->num_disc_nodes
--;
624 /* Continue discovery with <num_disc_nodes> PLOGIs to go */
625 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
626 "%d:0232 Continue discovery with %d PLOGIs to go "
627 "Data: x%x x%x x%x\n",
628 phba
->brd_no
, phba
->num_disc_nodes
, phba
->fc_plogi_cnt
,
629 phba
->fc_flag
, phba
->hba_state
);
631 /* Check to see if there are more PLOGIs to be sent */
632 if (phba
->fc_flag
& FC_NLP_MORE
) {
633 /* go thru NPR list and issue any remaining ELS PLOGIs */
634 sentplogi
= lpfc_els_disc_plogi(phba
);
639 static struct lpfc_nodelist
*
640 lpfc_plogi_confirm_nport(struct lpfc_hba
*phba
, struct lpfc_dmabuf
*prsp
,
641 struct lpfc_nodelist
*ndlp
)
643 struct lpfc_nodelist
*new_ndlp
;
645 struct serv_parm
*sp
;
646 uint8_t name
[sizeof (struct lpfc_name
)];
649 /* Fabric nodes can have the same WWPN so we don't bother searching
650 * by WWPN. Just return the ndlp that was given to us.
652 if (ndlp
->nlp_type
& NLP_FABRIC
)
655 lp
= (uint32_t *) prsp
->virt
;
656 sp
= (struct serv_parm
*) ((uint8_t *) lp
+ sizeof (uint32_t));
657 memset(name
, 0, sizeof(struct lpfc_name
));
659 /* Now we find out if the NPort we are logging into, matches the WWPN
660 * we have for that ndlp. If not, we have some work to do.
662 new_ndlp
= lpfc_findnode_wwpn(phba
, &sp
->portName
);
664 if (new_ndlp
== ndlp
)
669 memcmp(&ndlp
->nlp_portname
, name
, sizeof(struct lpfc_name
));
672 new_ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_ATOMIC
);
676 lpfc_nlp_init(phba
, new_ndlp
, ndlp
->nlp_DID
);
679 lpfc_unreg_rpi(phba
, new_ndlp
);
680 new_ndlp
->nlp_DID
= ndlp
->nlp_DID
;
681 new_ndlp
->nlp_prev_state
= ndlp
->nlp_prev_state
;
682 lpfc_nlp_set_state(phba
, new_ndlp
, ndlp
->nlp_state
);
684 /* Move this back to NPR list */
685 if (memcmp(&ndlp
->nlp_portname
, name
, sizeof(struct lpfc_name
)) == 0)
686 lpfc_drop_node(phba
, ndlp
);
688 lpfc_unreg_rpi(phba
, ndlp
);
689 ndlp
->nlp_DID
= 0; /* Two ndlps cannot have the same did */
690 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_NPR_NODE
);
696 lpfc_cmpl_els_plogi(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
697 struct lpfc_iocbq
* rspiocb
)
700 struct lpfc_nodelist
*ndlp
;
701 struct lpfc_dmabuf
*prsp
;
702 int disc
, rc
, did
, type
;
704 /* we pass cmdiocb to state machine which needs rspiocb as well */
705 cmdiocb
->context_un
.rsp_iocb
= rspiocb
;
707 irsp
= &rspiocb
->iocb
;
708 ndlp
= lpfc_findnode_did(phba
, irsp
->un
.elsreq64
.remoteID
);
712 /* Since ndlp can be freed in the disc state machine, note if this node
713 * is being used during discovery.
715 disc
= (ndlp
->nlp_flag
& NLP_NPR_2B_DISC
);
716 spin_lock_irq(phba
->host
->host_lock
);
717 ndlp
->nlp_flag
&= ~NLP_NPR_2B_DISC
;
718 spin_unlock_irq(phba
->host
->host_lock
);
721 /* PLOGI completes to NPort <nlp_DID> */
722 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
723 "%d:0102 PLOGI completes to NPort x%x "
724 "Data: x%x x%x x%x x%x x%x\n",
725 phba
->brd_no
, ndlp
->nlp_DID
, irsp
->ulpStatus
,
726 irsp
->un
.ulpWord
[4], irsp
->ulpTimeout
, disc
,
727 phba
->num_disc_nodes
);
729 /* Check to see if link went down during discovery */
730 if (lpfc_els_chk_latt(phba
)) {
731 spin_lock_irq(phba
->host
->host_lock
);
732 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
733 spin_unlock_irq(phba
->host
->host_lock
);
737 /* ndlp could be freed in DSM, save these values now */
738 type
= ndlp
->nlp_type
;
741 if (irsp
->ulpStatus
) {
742 /* Check for retry */
743 if (lpfc_els_retry(phba
, cmdiocb
, rspiocb
)) {
744 /* ELS command is being retried */
746 spin_lock_irq(phba
->host
->host_lock
);
747 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
748 spin_unlock_irq(phba
->host
->host_lock
);
754 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
755 if ((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
756 ((irsp
->un
.ulpWord
[4] == IOERR_SLI_ABORTED
) ||
757 (irsp
->un
.ulpWord
[4] == IOERR_LINK_DOWN
) ||
758 (irsp
->un
.ulpWord
[4] == IOERR_SLI_DOWN
))) {
759 rc
= NLP_STE_FREED_NODE
;
761 rc
= lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
,
765 /* Good status, call state machine */
766 prsp
= list_entry(((struct lpfc_dmabuf
*)
767 cmdiocb
->context2
)->list
.next
,
768 struct lpfc_dmabuf
, list
);
769 ndlp
= lpfc_plogi_confirm_nport(phba
, prsp
, ndlp
);
770 rc
= lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
,
774 if (disc
&& phba
->num_disc_nodes
) {
775 /* Check to see if there are more PLOGIs to be sent */
776 lpfc_more_plogi(phba
);
778 if (phba
->num_disc_nodes
== 0) {
779 spin_lock_irq(phba
->host
->host_lock
);
780 phba
->fc_flag
&= ~FC_NDISC_ACTIVE
;
781 spin_unlock_irq(phba
->host
->host_lock
);
783 lpfc_can_disctmo(phba
);
784 if (phba
->fc_flag
& FC_RSCN_MODE
) {
786 * Check to see if more RSCNs came in while
787 * we were processing this one.
789 if ((phba
->fc_rscn_id_cnt
== 0) &&
790 (!(phba
->fc_flag
& FC_RSCN_DISCOVERY
))) {
791 spin_lock_irq(phba
->host
->host_lock
);
792 phba
->fc_flag
&= ~FC_RSCN_MODE
;
793 spin_unlock_irq(phba
->host
->host_lock
);
795 lpfc_els_handle_rscn(phba
);
802 lpfc_els_free_iocb(phba
, cmdiocb
);
807 lpfc_issue_els_plogi(struct lpfc_hba
* phba
, uint32_t did
, uint8_t retry
)
809 struct serv_parm
*sp
;
811 struct lpfc_iocbq
*elsiocb
;
812 struct lpfc_sli_ring
*pring
;
813 struct lpfc_sli
*psli
;
818 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
820 cmdsize
= (sizeof (uint32_t) + sizeof (struct serv_parm
));
821 elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
, NULL
, did
,
826 icmd
= &elsiocb
->iocb
;
827 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
829 /* For PLOGI request, remainder of payload is service parameters */
830 *((uint32_t *) (pcmd
)) = ELS_CMD_PLOGI
;
831 pcmd
+= sizeof (uint32_t);
832 memcpy(pcmd
, &phba
->fc_sparam
, sizeof (struct serv_parm
));
833 sp
= (struct serv_parm
*) pcmd
;
835 if (sp
->cmn
.fcphLow
< FC_PH_4_3
)
836 sp
->cmn
.fcphLow
= FC_PH_4_3
;
838 if (sp
->cmn
.fcphHigh
< FC_PH3
)
839 sp
->cmn
.fcphHigh
= FC_PH3
;
841 phba
->fc_stat
.elsXmitPLOGI
++;
842 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_plogi
;
843 spin_lock_irq(phba
->host
->host_lock
);
844 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
845 spin_unlock_irq(phba
->host
->host_lock
);
846 lpfc_els_free_iocb(phba
, elsiocb
);
849 spin_unlock_irq(phba
->host
->host_lock
);
854 lpfc_cmpl_els_prli(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
855 struct lpfc_iocbq
* rspiocb
)
858 struct lpfc_sli
*psli
;
859 struct lpfc_nodelist
*ndlp
;
862 /* we pass cmdiocb to state machine which needs rspiocb as well */
863 cmdiocb
->context_un
.rsp_iocb
= rspiocb
;
865 irsp
= &(rspiocb
->iocb
);
866 ndlp
= (struct lpfc_nodelist
*) cmdiocb
->context1
;
867 spin_lock_irq(phba
->host
->host_lock
);
868 ndlp
->nlp_flag
&= ~NLP_PRLI_SND
;
869 spin_unlock_irq(phba
->host
->host_lock
);
871 /* PRLI completes to NPort <nlp_DID> */
872 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
873 "%d:0103 PRLI completes to NPort x%x "
874 "Data: x%x x%x x%x x%x\n",
875 phba
->brd_no
, ndlp
->nlp_DID
, irsp
->ulpStatus
,
876 irsp
->un
.ulpWord
[4], irsp
->ulpTimeout
,
877 phba
->num_disc_nodes
);
879 phba
->fc_prli_sent
--;
880 /* Check to see if link went down during discovery */
881 if (lpfc_els_chk_latt(phba
))
884 if (irsp
->ulpStatus
) {
885 /* Check for retry */
886 if (lpfc_els_retry(phba
, cmdiocb
, rspiocb
)) {
887 /* ELS command is being retried */
891 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
892 if ((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
893 ((irsp
->un
.ulpWord
[4] == IOERR_SLI_ABORTED
) ||
894 (irsp
->un
.ulpWord
[4] == IOERR_LINK_DOWN
) ||
895 (irsp
->un
.ulpWord
[4] == IOERR_SLI_DOWN
))) {
898 lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
,
902 /* Good status, call state machine */
903 lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
, NLP_EVT_CMPL_PRLI
);
907 lpfc_els_free_iocb(phba
, cmdiocb
);
912 lpfc_issue_els_prli(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
,
917 struct lpfc_iocbq
*elsiocb
;
918 struct lpfc_sli_ring
*pring
;
919 struct lpfc_sli
*psli
;
924 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
926 cmdsize
= (sizeof (uint32_t) + sizeof (PRLI
));
927 elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
, ndlp
,
928 ndlp
->nlp_DID
, ELS_CMD_PRLI
);
932 icmd
= &elsiocb
->iocb
;
933 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
935 /* For PRLI request, remainder of payload is service parameters */
936 memset(pcmd
, 0, (sizeof (PRLI
) + sizeof (uint32_t)));
937 *((uint32_t *) (pcmd
)) = ELS_CMD_PRLI
;
938 pcmd
+= sizeof (uint32_t);
940 /* For PRLI, remainder of payload is PRLI parameter page */
943 * If our firmware version is 3.20 or later,
944 * set the following bits for FC-TAPE support.
946 if (phba
->vpd
.rev
.feaLevelHigh
>= 0x02) {
947 npr
->ConfmComplAllowed
= 1;
949 npr
->TaskRetryIdReq
= 1;
951 npr
->estabImagePair
= 1;
952 npr
->readXferRdyDis
= 1;
954 /* For FCP support */
955 npr
->prliType
= PRLI_FCP_TYPE
;
956 npr
->initiatorFunc
= 1;
958 phba
->fc_stat
.elsXmitPRLI
++;
959 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_prli
;
960 spin_lock_irq(phba
->host
->host_lock
);
961 ndlp
->nlp_flag
|= NLP_PRLI_SND
;
962 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
963 ndlp
->nlp_flag
&= ~NLP_PRLI_SND
;
964 spin_unlock_irq(phba
->host
->host_lock
);
965 lpfc_els_free_iocb(phba
, elsiocb
);
968 spin_unlock_irq(phba
->host
->host_lock
);
969 phba
->fc_prli_sent
++;
974 lpfc_more_adisc(struct lpfc_hba
* phba
)
978 if (phba
->num_disc_nodes
)
979 phba
->num_disc_nodes
--;
981 /* Continue discovery with <num_disc_nodes> ADISCs to go */
982 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
983 "%d:0210 Continue discovery with %d ADISCs to go "
984 "Data: x%x x%x x%x\n",
985 phba
->brd_no
, phba
->num_disc_nodes
, phba
->fc_adisc_cnt
,
986 phba
->fc_flag
, phba
->hba_state
);
988 /* Check to see if there are more ADISCs to be sent */
989 if (phba
->fc_flag
& FC_NLP_MORE
) {
990 lpfc_set_disctmo(phba
);
992 /* go thru NPR list and issue any remaining ELS ADISCs */
993 sentadisc
= lpfc_els_disc_adisc(phba
);
999 lpfc_rscn_disc(struct lpfc_hba
* phba
)
1001 /* RSCN discovery */
1002 /* go thru NPR list and issue ELS PLOGIs */
1003 if (phba
->fc_npr_cnt
) {
1004 if (lpfc_els_disc_plogi(phba
))
1007 if (phba
->fc_flag
& FC_RSCN_MODE
) {
1008 /* Check to see if more RSCNs came in while we were
1009 * processing this one.
1011 if ((phba
->fc_rscn_id_cnt
== 0) &&
1012 (!(phba
->fc_flag
& FC_RSCN_DISCOVERY
))) {
1013 spin_lock_irq(phba
->host
->host_lock
);
1014 phba
->fc_flag
&= ~FC_RSCN_MODE
;
1015 spin_unlock_irq(phba
->host
->host_lock
);
1017 lpfc_els_handle_rscn(phba
);
1023 lpfc_cmpl_els_adisc(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
1024 struct lpfc_iocbq
* rspiocb
)
1027 struct lpfc_sli
*psli
;
1028 struct lpfc_nodelist
*ndlp
;
1034 /* we pass cmdiocb to state machine which needs rspiocb as well */
1035 cmdiocb
->context_un
.rsp_iocb
= rspiocb
;
1037 irsp
= &(rspiocb
->iocb
);
1038 ndlp
= (struct lpfc_nodelist
*) cmdiocb
->context1
;
1040 /* Since ndlp can be freed in the disc state machine, note if this node
1041 * is being used during discovery.
1043 disc
= (ndlp
->nlp_flag
& NLP_NPR_2B_DISC
);
1044 spin_lock_irq(phba
->host
->host_lock
);
1045 ndlp
->nlp_flag
&= ~(NLP_ADISC_SND
| NLP_NPR_2B_DISC
);
1046 spin_unlock_irq(phba
->host
->host_lock
);
1048 /* ADISC completes to NPort <nlp_DID> */
1049 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1050 "%d:0104 ADISC completes to NPort x%x "
1051 "Data: x%x x%x x%x x%x x%x\n",
1052 phba
->brd_no
, ndlp
->nlp_DID
, irsp
->ulpStatus
,
1053 irsp
->un
.ulpWord
[4], irsp
->ulpTimeout
, disc
,
1054 phba
->num_disc_nodes
);
1056 /* Check to see if link went down during discovery */
1057 if (lpfc_els_chk_latt(phba
)) {
1058 spin_lock_irq(phba
->host
->host_lock
);
1059 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
1060 spin_unlock_irq(phba
->host
->host_lock
);
1064 if (irsp
->ulpStatus
) {
1065 /* Check for retry */
1066 if (lpfc_els_retry(phba
, cmdiocb
, rspiocb
)) {
1067 /* ELS command is being retried */
1069 spin_lock_irq(phba
->host
->host_lock
);
1070 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
1071 spin_unlock_irq(phba
->host
->host_lock
);
1072 lpfc_set_disctmo(phba
);
1077 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
1078 if ((irsp
->ulpStatus
!= IOSTAT_LOCAL_REJECT
) ||
1079 ((irsp
->un
.ulpWord
[4] != IOERR_SLI_ABORTED
) &&
1080 (irsp
->un
.ulpWord
[4] != IOERR_LINK_DOWN
) &&
1081 (irsp
->un
.ulpWord
[4] != IOERR_SLI_DOWN
))) {
1082 lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
,
1083 NLP_EVT_CMPL_ADISC
);
1086 /* Good status, call state machine */
1087 lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
,
1088 NLP_EVT_CMPL_ADISC
);
1091 if (disc
&& phba
->num_disc_nodes
) {
1092 /* Check to see if there are more ADISCs to be sent */
1093 lpfc_more_adisc(phba
);
1095 /* Check to see if we are done with ADISC authentication */
1096 if (phba
->num_disc_nodes
== 0) {
1097 lpfc_can_disctmo(phba
);
1098 /* If we get here, there is nothing left to wait for */
1099 if ((phba
->hba_state
< LPFC_HBA_READY
) &&
1100 (phba
->hba_state
!= LPFC_CLEAR_LA
)) {
1101 /* Link up discovery */
1102 if ((mbox
= mempool_alloc(phba
->mbox_mem_pool
,
1104 phba
->hba_state
= LPFC_CLEAR_LA
;
1105 lpfc_clear_la(phba
, mbox
);
1107 lpfc_mbx_cmpl_clear_la
;
1108 rc
= lpfc_sli_issue_mbox
1110 (MBX_NOWAIT
| MBX_STOP_IOCB
));
1111 if (rc
== MBX_NOT_FINISHED
) {
1113 phba
->mbox_mem_pool
);
1114 lpfc_disc_flush_list(phba
);
1115 psli
->ring
[(psli
->extra_ring
)].
1117 ~LPFC_STOP_IOCB_EVENT
;
1118 psli
->ring
[(psli
->fcp_ring
)].
1120 ~LPFC_STOP_IOCB_EVENT
;
1121 psli
->ring
[(psli
->next_ring
)].
1123 ~LPFC_STOP_IOCB_EVENT
;
1129 lpfc_rscn_disc(phba
);
1134 lpfc_els_free_iocb(phba
, cmdiocb
);
1139 lpfc_issue_els_adisc(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
,
1144 struct lpfc_iocbq
*elsiocb
;
1145 struct lpfc_sli_ring
*pring
;
1146 struct lpfc_sli
*psli
;
1151 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
1153 cmdsize
= (sizeof (uint32_t) + sizeof (ADISC
));
1154 elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
, ndlp
,
1155 ndlp
->nlp_DID
, ELS_CMD_ADISC
);
1159 icmd
= &elsiocb
->iocb
;
1160 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1162 /* For ADISC request, remainder of payload is service parameters */
1163 *((uint32_t *) (pcmd
)) = ELS_CMD_ADISC
;
1164 pcmd
+= sizeof (uint32_t);
1166 /* Fill in ADISC payload */
1167 ap
= (ADISC
*) pcmd
;
1168 ap
->hardAL_PA
= phba
->fc_pref_ALPA
;
1169 memcpy(&ap
->portName
, &phba
->fc_portname
, sizeof (struct lpfc_name
));
1170 memcpy(&ap
->nodeName
, &phba
->fc_nodename
, sizeof (struct lpfc_name
));
1171 ap
->DID
= be32_to_cpu(phba
->fc_myDID
);
1173 phba
->fc_stat
.elsXmitADISC
++;
1174 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_adisc
;
1175 spin_lock_irq(phba
->host
->host_lock
);
1176 ndlp
->nlp_flag
|= NLP_ADISC_SND
;
1177 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
1178 ndlp
->nlp_flag
&= ~NLP_ADISC_SND
;
1179 spin_unlock_irq(phba
->host
->host_lock
);
1180 lpfc_els_free_iocb(phba
, elsiocb
);
1183 spin_unlock_irq(phba
->host
->host_lock
);
1188 lpfc_cmpl_els_logo(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
1189 struct lpfc_iocbq
* rspiocb
)
1192 struct lpfc_sli
*psli
;
1193 struct lpfc_nodelist
*ndlp
;
1196 /* we pass cmdiocb to state machine which needs rspiocb as well */
1197 cmdiocb
->context_un
.rsp_iocb
= rspiocb
;
1199 irsp
= &(rspiocb
->iocb
);
1200 ndlp
= (struct lpfc_nodelist
*) cmdiocb
->context1
;
1201 spin_lock_irq(phba
->host
->host_lock
);
1202 ndlp
->nlp_flag
&= ~NLP_LOGO_SND
;
1203 spin_unlock_irq(phba
->host
->host_lock
);
1205 /* LOGO completes to NPort <nlp_DID> */
1206 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1207 "%d:0105 LOGO completes to NPort x%x "
1208 "Data: x%x x%x x%x x%x\n",
1209 phba
->brd_no
, ndlp
->nlp_DID
, irsp
->ulpStatus
,
1210 irsp
->un
.ulpWord
[4], irsp
->ulpTimeout
,
1211 phba
->num_disc_nodes
);
1213 /* Check to see if link went down during discovery */
1214 if (lpfc_els_chk_latt(phba
))
1217 if (irsp
->ulpStatus
) {
1218 /* Check for retry */
1219 if (lpfc_els_retry(phba
, cmdiocb
, rspiocb
)) {
1220 /* ELS command is being retried */
1224 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
1225 if ((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
1226 ((irsp
->un
.ulpWord
[4] == IOERR_SLI_ABORTED
) ||
1227 (irsp
->un
.ulpWord
[4] == IOERR_LINK_DOWN
) ||
1228 (irsp
->un
.ulpWord
[4] == IOERR_SLI_DOWN
))) {
1231 lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
,
1235 /* Good status, call state machine.
1236 * This will unregister the rpi if needed.
1238 lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
, NLP_EVT_CMPL_LOGO
);
1242 lpfc_els_free_iocb(phba
, cmdiocb
);
1247 lpfc_issue_els_logo(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
,
1251 struct lpfc_iocbq
*elsiocb
;
1252 struct lpfc_sli_ring
*pring
;
1253 struct lpfc_sli
*psli
;
1258 pring
= &psli
->ring
[LPFC_ELS_RING
];
1260 cmdsize
= (2 * sizeof (uint32_t)) + sizeof (struct lpfc_name
);
1261 elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
, ndlp
,
1262 ndlp
->nlp_DID
, ELS_CMD_LOGO
);
1266 icmd
= &elsiocb
->iocb
;
1267 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1268 *((uint32_t *) (pcmd
)) = ELS_CMD_LOGO
;
1269 pcmd
+= sizeof (uint32_t);
1271 /* Fill in LOGO payload */
1272 *((uint32_t *) (pcmd
)) = be32_to_cpu(phba
->fc_myDID
);
1273 pcmd
+= sizeof (uint32_t);
1274 memcpy(pcmd
, &phba
->fc_portname
, sizeof (struct lpfc_name
));
1276 phba
->fc_stat
.elsXmitLOGO
++;
1277 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_logo
;
1278 spin_lock_irq(phba
->host
->host_lock
);
1279 ndlp
->nlp_flag
|= NLP_LOGO_SND
;
1280 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
1281 ndlp
->nlp_flag
&= ~NLP_LOGO_SND
;
1282 spin_unlock_irq(phba
->host
->host_lock
);
1283 lpfc_els_free_iocb(phba
, elsiocb
);
1286 spin_unlock_irq(phba
->host
->host_lock
);
1291 lpfc_cmpl_els_cmd(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
1292 struct lpfc_iocbq
* rspiocb
)
1296 irsp
= &rspiocb
->iocb
;
1298 /* ELS cmd tag <ulpIoTag> completes */
1299 lpfc_printf_log(phba
,
1302 "%d:0106 ELS cmd tag x%x completes Data: x%x x%x x%x\n",
1304 irsp
->ulpIoTag
, irsp
->ulpStatus
,
1305 irsp
->un
.ulpWord
[4], irsp
->ulpTimeout
);
1307 /* Check to see if link went down during discovery */
1308 lpfc_els_chk_latt(phba
);
1309 lpfc_els_free_iocb(phba
, cmdiocb
);
1314 lpfc_issue_els_scr(struct lpfc_hba
* phba
, uint32_t nportid
, uint8_t retry
)
1317 struct lpfc_iocbq
*elsiocb
;
1318 struct lpfc_sli_ring
*pring
;
1319 struct lpfc_sli
*psli
;
1322 struct lpfc_nodelist
*ndlp
;
1325 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
1326 cmdsize
= (sizeof (uint32_t) + sizeof (SCR
));
1327 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
1331 lpfc_nlp_init(phba
, ndlp
, nportid
);
1333 elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
, ndlp
,
1334 ndlp
->nlp_DID
, ELS_CMD_SCR
);
1340 icmd
= &elsiocb
->iocb
;
1341 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1343 *((uint32_t *) (pcmd
)) = ELS_CMD_SCR
;
1344 pcmd
+= sizeof (uint32_t);
1346 /* For SCR, remainder of payload is SCR parameter page */
1347 memset(pcmd
, 0, sizeof (SCR
));
1348 ((SCR
*) pcmd
)->Function
= SCR_FUNC_FULL
;
1350 phba
->fc_stat
.elsXmitSCR
++;
1351 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_cmd
;
1352 spin_lock_irq(phba
->host
->host_lock
);
1353 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
1354 spin_unlock_irq(phba
->host
->host_lock
);
1356 lpfc_els_free_iocb(phba
, elsiocb
);
1359 spin_unlock_irq(phba
->host
->host_lock
);
1365 lpfc_issue_els_farpr(struct lpfc_hba
* phba
, uint32_t nportid
, uint8_t retry
)
1368 struct lpfc_iocbq
*elsiocb
;
1369 struct lpfc_sli_ring
*pring
;
1370 struct lpfc_sli
*psli
;
1375 struct lpfc_nodelist
*ondlp
;
1376 struct lpfc_nodelist
*ndlp
;
1379 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
1380 cmdsize
= (sizeof (uint32_t) + sizeof (FARP
));
1381 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
1384 lpfc_nlp_init(phba
, ndlp
, nportid
);
1386 elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
, ndlp
,
1387 ndlp
->nlp_DID
, ELS_CMD_RNID
);
1393 icmd
= &elsiocb
->iocb
;
1394 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1396 *((uint32_t *) (pcmd
)) = ELS_CMD_FARPR
;
1397 pcmd
+= sizeof (uint32_t);
1399 /* Fill in FARPR payload */
1400 fp
= (FARP
*) (pcmd
);
1401 memset(fp
, 0, sizeof (FARP
));
1402 lp
= (uint32_t *) pcmd
;
1403 *lp
++ = be32_to_cpu(nportid
);
1404 *lp
++ = be32_to_cpu(phba
->fc_myDID
);
1406 fp
->Mflags
= (FARP_MATCH_PORT
| FARP_MATCH_NODE
);
1408 memcpy(&fp
->RportName
, &phba
->fc_portname
, sizeof (struct lpfc_name
));
1409 memcpy(&fp
->RnodeName
, &phba
->fc_nodename
, sizeof (struct lpfc_name
));
1410 if ((ondlp
= lpfc_findnode_did(phba
, nportid
))) {
1411 memcpy(&fp
->OportName
, &ondlp
->nlp_portname
,
1412 sizeof (struct lpfc_name
));
1413 memcpy(&fp
->OnodeName
, &ondlp
->nlp_nodename
,
1414 sizeof (struct lpfc_name
));
1417 phba
->fc_stat
.elsXmitFARPR
++;
1418 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_cmd
;
1419 spin_lock_irq(phba
->host
->host_lock
);
1420 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
1421 spin_unlock_irq(phba
->host
->host_lock
);
1423 lpfc_els_free_iocb(phba
, elsiocb
);
1426 spin_unlock_irq(phba
->host
->host_lock
);
1432 lpfc_cancel_retry_delay_tmo(struct lpfc_hba
*phba
, struct lpfc_nodelist
* nlp
)
1434 nlp
->nlp_flag
&= ~NLP_DELAY_TMO
;
1435 del_timer_sync(&nlp
->nlp_delayfunc
);
1436 nlp
->nlp_last_elscmd
= 0;
1438 if (!list_empty(&nlp
->els_retry_evt
.evt_listp
))
1439 list_del_init(&nlp
->els_retry_evt
.evt_listp
);
1441 if (nlp
->nlp_flag
& NLP_NPR_2B_DISC
) {
1442 nlp
->nlp_flag
&= ~NLP_NPR_2B_DISC
;
1443 if (phba
->num_disc_nodes
) {
1444 /* Check to see if there are more
1447 lpfc_more_plogi(phba
);
1449 if (phba
->num_disc_nodes
== 0) {
1450 phba
->fc_flag
&= ~FC_NDISC_ACTIVE
;
1451 lpfc_can_disctmo(phba
);
1452 if (phba
->fc_flag
& FC_RSCN_MODE
) {
1454 * Check to see if more RSCNs
1455 * came in while we were
1456 * processing this one.
1458 if((phba
->fc_rscn_id_cnt
==0) &&
1459 !(phba
->fc_flag
& FC_RSCN_DISCOVERY
)) {
1460 phba
->fc_flag
&= ~FC_RSCN_MODE
;
1463 lpfc_els_handle_rscn(phba
);
1473 lpfc_els_retry_delay(unsigned long ptr
)
1475 struct lpfc_nodelist
*ndlp
;
1476 struct lpfc_hba
*phba
;
1477 unsigned long iflag
;
1478 struct lpfc_work_evt
*evtp
;
1480 ndlp
= (struct lpfc_nodelist
*)ptr
;
1481 phba
= ndlp
->nlp_phba
;
1482 evtp
= &ndlp
->els_retry_evt
;
1484 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1485 if (!list_empty(&evtp
->evt_listp
)) {
1486 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1490 evtp
->evt_arg1
= ndlp
;
1491 evtp
->evt
= LPFC_EVT_ELS_RETRY
;
1492 list_add_tail(&evtp
->evt_listp
, &phba
->work_list
);
1493 if (phba
->work_wait
)
1494 wake_up(phba
->work_wait
);
1496 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1501 lpfc_els_retry_delay_handler(struct lpfc_nodelist
*ndlp
)
1503 struct lpfc_hba
*phba
;
1508 phba
= ndlp
->nlp_phba
;
1509 spin_lock_irq(phba
->host
->host_lock
);
1510 did
= ndlp
->nlp_DID
;
1511 cmd
= ndlp
->nlp_last_elscmd
;
1512 ndlp
->nlp_last_elscmd
= 0;
1514 if (!(ndlp
->nlp_flag
& NLP_DELAY_TMO
)) {
1515 spin_unlock_irq(phba
->host
->host_lock
);
1519 ndlp
->nlp_flag
&= ~NLP_DELAY_TMO
;
1520 spin_unlock_irq(phba
->host
->host_lock
);
1522 * If a discovery event readded nlp_delayfunc after timer
1523 * firing and before processing the timer, cancel the
1526 del_timer_sync(&ndlp
->nlp_delayfunc
);
1527 retry
= ndlp
->nlp_retry
;
1531 lpfc_issue_els_flogi(phba
, ndlp
, retry
);
1534 if(!lpfc_issue_els_plogi(phba
, ndlp
->nlp_DID
, retry
)) {
1535 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
1536 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_PLOGI_ISSUE
);
1540 if (!lpfc_issue_els_adisc(phba
, ndlp
, retry
)) {
1541 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
1542 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_ADISC_ISSUE
);
1546 if (!lpfc_issue_els_prli(phba
, ndlp
, retry
)) {
1547 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
1548 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_PRLI_ISSUE
);
1552 if (!lpfc_issue_els_logo(phba
, ndlp
, retry
)) {
1553 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
1554 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_NPR_NODE
);
1562 lpfc_els_retry(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
1563 struct lpfc_iocbq
* rspiocb
)
1566 struct lpfc_dmabuf
*pcmd
;
1567 struct lpfc_nodelist
*ndlp
;
1570 int retry
, maxretry
;
1577 maxretry
= lpfc_max_els_tries
;
1578 irsp
= &rspiocb
->iocb
;
1579 ndlp
= (struct lpfc_nodelist
*) cmdiocb
->context1
;
1580 pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
1583 /* Note: context2 may be 0 for internal driver abort
1584 * of delays ELS command.
1587 if (pcmd
&& pcmd
->virt
) {
1588 elscmd
= (uint32_t *) (pcmd
->virt
);
1593 did
= ndlp
->nlp_DID
;
1595 /* We should only hit this case for retrying PLOGI */
1596 did
= irsp
->un
.elsreq64
.remoteID
;
1597 ndlp
= lpfc_findnode_did(phba
, did
);
1598 if (!ndlp
&& (cmd
!= ELS_CMD_PLOGI
))
1602 switch (irsp
->ulpStatus
) {
1603 case IOSTAT_FCP_RSP_ERROR
:
1604 case IOSTAT_REMOTE_STOP
:
1607 case IOSTAT_LOCAL_REJECT
:
1608 switch ((irsp
->un
.ulpWord
[4] & 0xff)) {
1609 case IOERR_LOOP_OPEN_FAILURE
:
1610 if (cmd
== ELS_CMD_PLOGI
) {
1611 if (cmdiocb
->retry
== 0) {
1618 case IOERR_SEQUENCE_TIMEOUT
:
1622 case IOERR_NO_RESOURCES
:
1623 if (cmd
== ELS_CMD_PLOGI
) {
1629 case IOERR_INVALID_RPI
:
1635 case IOSTAT_NPORT_RJT
:
1636 case IOSTAT_FABRIC_RJT
:
1637 if (irsp
->un
.ulpWord
[4] & RJT_UNAVAIL_TEMP
) {
1643 case IOSTAT_NPORT_BSY
:
1644 case IOSTAT_FABRIC_BSY
:
1649 stat
.un
.lsRjtError
= be32_to_cpu(irsp
->un
.ulpWord
[4]);
1650 /* Added for Vendor specifc support
1651 * Just keep retrying for these Rsn / Exp codes
1653 switch (stat
.un
.b
.lsRjtRsnCode
) {
1654 case LSRJT_UNABLE_TPC
:
1655 if (stat
.un
.b
.lsRjtRsnCodeExp
==
1656 LSEXP_CMD_IN_PROGRESS
) {
1657 if (cmd
== ELS_CMD_PLOGI
) {
1664 if (cmd
== ELS_CMD_PLOGI
) {
1666 maxretry
= lpfc_max_els_tries
+ 1;
1672 case LSRJT_LOGICAL_BSY
:
1673 if (cmd
== ELS_CMD_PLOGI
) {
1682 case IOSTAT_INTERMED_RSP
:
1690 if (did
== FDMI_DID
)
1693 if ((++cmdiocb
->retry
) >= maxretry
) {
1694 phba
->fc_stat
.elsRetryExceeded
++;
1700 /* Retry ELS command <elsCmd> to remote NPORT <did> */
1701 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1702 "%d:0107 Retry ELS command x%x to remote "
1703 "NPORT x%x Data: x%x x%x\n",
1705 cmd
, did
, cmdiocb
->retry
, delay
);
1707 if ((cmd
== ELS_CMD_PLOGI
) || (cmd
== ELS_CMD_ADISC
)) {
1708 /* If discovery / RSCN timer is running, reset it */
1709 if (timer_pending(&phba
->fc_disctmo
) ||
1710 (phba
->fc_flag
& FC_RSCN_MODE
)) {
1711 lpfc_set_disctmo(phba
);
1715 phba
->fc_stat
.elsXmitRetry
++;
1716 if (ndlp
&& delay
) {
1717 phba
->fc_stat
.elsDelayRetry
++;
1718 ndlp
->nlp_retry
= cmdiocb
->retry
;
1720 mod_timer(&ndlp
->nlp_delayfunc
, jiffies
+ HZ
);
1721 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
1723 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
1724 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_NPR_NODE
);
1725 ndlp
->nlp_last_elscmd
= cmd
;
1731 lpfc_issue_els_flogi(phba
, ndlp
, cmdiocb
->retry
);
1735 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
1736 lpfc_nlp_set_state(phba
, ndlp
,
1737 NLP_STE_PLOGI_ISSUE
);
1739 lpfc_issue_els_plogi(phba
, did
, cmdiocb
->retry
);
1742 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
1743 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_ADISC_ISSUE
);
1744 lpfc_issue_els_adisc(phba
, ndlp
, cmdiocb
->retry
);
1747 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
1748 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_PRLI_ISSUE
);
1749 lpfc_issue_els_prli(phba
, ndlp
, cmdiocb
->retry
);
1752 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
1753 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_NPR_NODE
);
1754 lpfc_issue_els_logo(phba
, ndlp
, cmdiocb
->retry
);
1759 /* No retry ELS command <elsCmd> to remote NPORT <did> */
1760 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1761 "%d:0108 No retry ELS command x%x to remote NPORT x%x "
1764 cmd
, did
, cmdiocb
->retry
);
1770 lpfc_els_free_iocb(struct lpfc_hba
*phba
, struct lpfc_iocbq
*elsiocb
)
1772 struct lpfc_dmabuf
*buf_ptr
, *buf_ptr1
;
1774 if (elsiocb
->context1
) {
1775 lpfc_nlp_put(elsiocb
->context1
);
1776 elsiocb
->context1
= NULL
;
1778 /* context2 = cmd, context2->next = rsp, context3 = bpl */
1779 if (elsiocb
->context2
) {
1780 buf_ptr1
= (struct lpfc_dmabuf
*) elsiocb
->context2
;
1781 /* Free the response before processing the command. */
1782 if (!list_empty(&buf_ptr1
->list
)) {
1783 list_remove_head(&buf_ptr1
->list
, buf_ptr
,
1786 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1789 lpfc_mbuf_free(phba
, buf_ptr1
->virt
, buf_ptr1
->phys
);
1793 if (elsiocb
->context3
) {
1794 buf_ptr
= (struct lpfc_dmabuf
*) elsiocb
->context3
;
1795 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1798 spin_lock_irq(phba
->host
->host_lock
);
1799 lpfc_sli_release_iocbq(phba
, elsiocb
);
1800 spin_unlock_irq(phba
->host
->host_lock
);
1805 lpfc_cmpl_els_logo_acc(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
1806 struct lpfc_iocbq
* rspiocb
)
1808 struct lpfc_nodelist
*ndlp
;
1810 ndlp
= (struct lpfc_nodelist
*) cmdiocb
->context1
;
1812 /* ACC to LOGO completes to NPort <nlp_DID> */
1813 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1814 "%d:0109 ACC to LOGO completes to NPort x%x "
1815 "Data: x%x x%x x%x\n",
1816 phba
->brd_no
, ndlp
->nlp_DID
, ndlp
->nlp_flag
,
1817 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
1819 switch (ndlp
->nlp_state
) {
1820 case NLP_STE_UNUSED_NODE
: /* node is just allocated */
1821 lpfc_drop_node(phba
, ndlp
);
1823 case NLP_STE_NPR_NODE
: /* NPort Recovery mode */
1824 lpfc_unreg_rpi(phba
, ndlp
);
1829 lpfc_els_free_iocb(phba
, cmdiocb
);
1834 lpfc_cmpl_els_acc(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdiocb
,
1835 struct lpfc_iocbq
*rspiocb
)
1838 struct lpfc_nodelist
*ndlp
;
1839 LPFC_MBOXQ_t
*mbox
= NULL
;
1840 struct lpfc_dmabuf
*mp
;
1842 irsp
= &rspiocb
->iocb
;
1844 ndlp
= (struct lpfc_nodelist
*) cmdiocb
->context1
;
1845 if (cmdiocb
->context_un
.mbox
)
1846 mbox
= cmdiocb
->context_un
.mbox
;
1849 /* Check to see if link went down during discovery */
1850 if (lpfc_els_chk_latt(phba
) || !ndlp
) {
1852 mp
= (struct lpfc_dmabuf
*) mbox
->context1
;
1854 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1857 mempool_free(mbox
, phba
->mbox_mem_pool
);
1862 /* ELS response tag <ulpIoTag> completes */
1863 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1864 "%d:0110 ELS response tag x%x completes "
1865 "Data: x%x x%x x%x x%x x%x x%x x%x\n",
1867 cmdiocb
->iocb
.ulpIoTag
, rspiocb
->iocb
.ulpStatus
,
1868 rspiocb
->iocb
.un
.ulpWord
[4], rspiocb
->iocb
.ulpTimeout
,
1869 ndlp
->nlp_DID
, ndlp
->nlp_flag
, ndlp
->nlp_state
,
1873 if ((rspiocb
->iocb
.ulpStatus
== 0)
1874 && (ndlp
->nlp_flag
& NLP_ACC_REGLOGIN
)) {
1875 lpfc_unreg_rpi(phba
, ndlp
);
1876 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_reg_login
;
1877 mbox
->context2
= lpfc_nlp_get(ndlp
);
1878 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
1879 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_REG_LOGIN_ISSUE
);
1880 if (lpfc_sli_issue_mbox(phba
, mbox
,
1881 (MBX_NOWAIT
| MBX_STOP_IOCB
))
1882 != MBX_NOT_FINISHED
) {
1886 /* NOTE: we should have messages for unsuccessful
1889 /* Do not call NO_LIST for lpfc_els_abort'ed ELS cmds */
1890 if (!((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
1891 ((irsp
->un
.ulpWord
[4] == IOERR_SLI_ABORTED
) ||
1892 (irsp
->un
.ulpWord
[4] == IOERR_LINK_DOWN
) ||
1893 (irsp
->un
.ulpWord
[4] == IOERR_SLI_DOWN
)))) {
1894 if (ndlp
->nlp_flag
& NLP_ACC_REGLOGIN
) {
1895 lpfc_drop_node(phba
, ndlp
);
1900 mp
= (struct lpfc_dmabuf
*) mbox
->context1
;
1902 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1905 mempool_free(mbox
, phba
->mbox_mem_pool
);
1909 spin_lock_irq(phba
->host
->host_lock
);
1910 ndlp
->nlp_flag
&= ~NLP_ACC_REGLOGIN
;
1911 spin_unlock_irq(phba
->host
->host_lock
);
1913 lpfc_els_free_iocb(phba
, cmdiocb
);
1918 lpfc_els_rsp_acc(struct lpfc_hba
* phba
, uint32_t flag
,
1919 struct lpfc_iocbq
* oldiocb
, struct lpfc_nodelist
* ndlp
,
1920 LPFC_MBOXQ_t
* mbox
, uint8_t newnode
)
1924 struct lpfc_iocbq
*elsiocb
;
1925 struct lpfc_sli_ring
*pring
;
1926 struct lpfc_sli
*psli
;
1930 ELS_PKT
*els_pkt_ptr
;
1933 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
1934 oldcmd
= &oldiocb
->iocb
;
1938 cmdsize
= sizeof (uint32_t);
1939 elsiocb
= lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
,
1940 ndlp
, ndlp
->nlp_DID
, ELS_CMD_ACC
);
1942 ndlp
->nlp_flag
&= ~NLP_LOGO_ACC
;
1945 icmd
= &elsiocb
->iocb
;
1946 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
1947 pcmd
= (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1948 *((uint32_t *) (pcmd
)) = ELS_CMD_ACC
;
1949 pcmd
+= sizeof (uint32_t);
1952 cmdsize
= (sizeof (struct serv_parm
) + sizeof (uint32_t));
1953 elsiocb
= lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
,
1954 ndlp
, ndlp
->nlp_DID
, ELS_CMD_ACC
);
1958 icmd
= &elsiocb
->iocb
;
1959 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
1960 pcmd
= (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1963 elsiocb
->context_un
.mbox
= mbox
;
1965 *((uint32_t *) (pcmd
)) = ELS_CMD_ACC
;
1966 pcmd
+= sizeof (uint32_t);
1967 memcpy(pcmd
, &phba
->fc_sparam
, sizeof (struct serv_parm
));
1970 cmdsize
= sizeof (uint32_t) + sizeof (PRLO
);
1971 elsiocb
= lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
,
1972 ndlp
, ndlp
->nlp_DID
, ELS_CMD_PRLO
);
1976 icmd
= &elsiocb
->iocb
;
1977 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
1978 pcmd
= (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1980 memcpy(pcmd
, ((struct lpfc_dmabuf
*) oldiocb
->context2
)->virt
,
1981 sizeof (uint32_t) + sizeof (PRLO
));
1982 *((uint32_t *) (pcmd
)) = ELS_CMD_PRLO_ACC
;
1983 els_pkt_ptr
= (ELS_PKT
*) pcmd
;
1984 els_pkt_ptr
->un
.prlo
.acceptRspCode
= PRLO_REQ_EXECUTED
;
1992 elsiocb
->context1
= NULL
;
1995 /* Xmit ELS ACC response tag <ulpIoTag> */
1996 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1997 "%d:0128 Xmit ELS ACC response tag x%x, XRI: x%x, "
1998 "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x\n",
1999 phba
->brd_no
, elsiocb
->iotag
,
2000 elsiocb
->iocb
.ulpContext
, ndlp
->nlp_DID
,
2001 ndlp
->nlp_flag
, ndlp
->nlp_state
, ndlp
->nlp_rpi
);
2003 if (ndlp
->nlp_flag
& NLP_LOGO_ACC
) {
2004 spin_lock_irq(phba
->host
->host_lock
);
2005 ndlp
->nlp_flag
&= ~NLP_LOGO_ACC
;
2006 spin_unlock_irq(phba
->host
->host_lock
);
2007 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_logo_acc
;
2009 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_acc
;
2012 phba
->fc_stat
.elsXmitACC
++;
2013 spin_lock_irq(phba
->host
->host_lock
);
2014 rc
= lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0);
2015 spin_unlock_irq(phba
->host
->host_lock
);
2016 if (rc
== IOCB_ERROR
) {
2017 lpfc_els_free_iocb(phba
, elsiocb
);
2024 lpfc_els_rsp_reject(struct lpfc_hba
* phba
, uint32_t rejectError
,
2025 struct lpfc_iocbq
* oldiocb
, struct lpfc_nodelist
* ndlp
)
2029 struct lpfc_iocbq
*elsiocb
;
2030 struct lpfc_sli_ring
*pring
;
2031 struct lpfc_sli
*psli
;
2037 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
2039 cmdsize
= 2 * sizeof (uint32_t);
2040 elsiocb
= lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
,
2041 ndlp
, ndlp
->nlp_DID
, ELS_CMD_LS_RJT
);
2045 icmd
= &elsiocb
->iocb
;
2046 oldcmd
= &oldiocb
->iocb
;
2047 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
2048 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
2050 *((uint32_t *) (pcmd
)) = ELS_CMD_LS_RJT
;
2051 pcmd
+= sizeof (uint32_t);
2052 *((uint32_t *) (pcmd
)) = rejectError
;
2054 /* Xmit ELS RJT <err> response tag <ulpIoTag> */
2055 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
2056 "%d:0129 Xmit ELS RJT x%x response tag x%x xri x%x, "
2057 "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n",
2058 phba
->brd_no
, rejectError
, elsiocb
->iotag
,
2059 elsiocb
->iocb
.ulpContext
, ndlp
->nlp_DID
,
2060 ndlp
->nlp_flag
, ndlp
->nlp_state
, ndlp
->nlp_rpi
);
2062 phba
->fc_stat
.elsXmitLSRJT
++;
2063 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_acc
;
2064 spin_lock_irq(phba
->host
->host_lock
);
2065 rc
= lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0);
2066 spin_unlock_irq(phba
->host
->host_lock
);
2067 if (rc
== IOCB_ERROR
) {
2068 lpfc_els_free_iocb(phba
, elsiocb
);
2075 lpfc_els_rsp_adisc_acc(struct lpfc_hba
* phba
,
2076 struct lpfc_iocbq
* oldiocb
, struct lpfc_nodelist
* ndlp
)
2081 struct lpfc_iocbq
*elsiocb
;
2082 struct lpfc_sli_ring
*pring
;
2083 struct lpfc_sli
*psli
;
2089 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
2091 cmdsize
= sizeof (uint32_t) + sizeof (ADISC
);
2092 elsiocb
= lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
,
2093 ndlp
, ndlp
->nlp_DID
, ELS_CMD_ACC
);
2097 icmd
= &elsiocb
->iocb
;
2098 oldcmd
= &oldiocb
->iocb
;
2099 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
2101 /* Xmit ADISC ACC response tag <ulpIoTag> */
2102 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
2103 "%d:0130 Xmit ADISC ACC response iotag x%x xri: "
2104 "x%x, did x%x, nlp_flag x%x, nlp_state x%x rpi x%x\n",
2105 phba
->brd_no
, elsiocb
->iotag
,
2106 elsiocb
->iocb
.ulpContext
, ndlp
->nlp_DID
,
2107 ndlp
->nlp_flag
, ndlp
->nlp_state
, ndlp
->nlp_rpi
);
2109 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
2111 *((uint32_t *) (pcmd
)) = ELS_CMD_ACC
;
2112 pcmd
+= sizeof (uint32_t);
2114 ap
= (ADISC
*) (pcmd
);
2115 ap
->hardAL_PA
= phba
->fc_pref_ALPA
;
2116 memcpy(&ap
->portName
, &phba
->fc_portname
, sizeof (struct lpfc_name
));
2117 memcpy(&ap
->nodeName
, &phba
->fc_nodename
, sizeof (struct lpfc_name
));
2118 ap
->DID
= be32_to_cpu(phba
->fc_myDID
);
2120 phba
->fc_stat
.elsXmitACC
++;
2121 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_acc
;
2122 spin_lock_irq(phba
->host
->host_lock
);
2123 rc
= lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0);
2124 spin_unlock_irq(phba
->host
->host_lock
);
2125 if (rc
== IOCB_ERROR
) {
2126 lpfc_els_free_iocb(phba
, elsiocb
);
2133 lpfc_els_rsp_prli_acc(struct lpfc_hba
*phba
, struct lpfc_iocbq
*oldiocb
,
2134 struct lpfc_nodelist
*ndlp
)
2140 struct lpfc_iocbq
*elsiocb
;
2141 struct lpfc_sli_ring
*pring
;
2142 struct lpfc_sli
*psli
;
2148 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
2150 cmdsize
= sizeof (uint32_t) + sizeof (PRLI
);
2151 elsiocb
= lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
, ndlp
,
2152 ndlp
->nlp_DID
, (ELS_CMD_ACC
| (ELS_CMD_PRLI
& ~ELS_RSP_MASK
)));
2156 icmd
= &elsiocb
->iocb
;
2157 oldcmd
= &oldiocb
->iocb
;
2158 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
2160 /* Xmit PRLI ACC response tag <ulpIoTag> */
2161 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
2162 "%d:0131 Xmit PRLI ACC response tag x%x xri x%x, "
2163 "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n",
2164 phba
->brd_no
, elsiocb
->iotag
,
2165 elsiocb
->iocb
.ulpContext
, ndlp
->nlp_DID
,
2166 ndlp
->nlp_flag
, ndlp
->nlp_state
, ndlp
->nlp_rpi
);
2168 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
2170 *((uint32_t *) (pcmd
)) = (ELS_CMD_ACC
| (ELS_CMD_PRLI
& ~ELS_RSP_MASK
));
2171 pcmd
+= sizeof (uint32_t);
2173 /* For PRLI, remainder of payload is PRLI parameter page */
2174 memset(pcmd
, 0, sizeof (PRLI
));
2176 npr
= (PRLI
*) pcmd
;
2179 * If our firmware version is 3.20 or later,
2180 * set the following bits for FC-TAPE support.
2182 if (vpd
->rev
.feaLevelHigh
>= 0x02) {
2183 npr
->ConfmComplAllowed
= 1;
2185 npr
->TaskRetryIdReq
= 1;
2188 npr
->acceptRspCode
= PRLI_REQ_EXECUTED
;
2189 npr
->estabImagePair
= 1;
2190 npr
->readXferRdyDis
= 1;
2191 npr
->ConfmComplAllowed
= 1;
2193 npr
->prliType
= PRLI_FCP_TYPE
;
2194 npr
->initiatorFunc
= 1;
2196 phba
->fc_stat
.elsXmitACC
++;
2197 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_acc
;
2199 spin_lock_irq(phba
->host
->host_lock
);
2200 rc
= lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0);
2201 spin_unlock_irq(phba
->host
->host_lock
);
2202 if (rc
== IOCB_ERROR
) {
2203 lpfc_els_free_iocb(phba
, elsiocb
);
2210 lpfc_els_rsp_rnid_acc(struct lpfc_hba
*phba
, uint8_t format
,
2211 struct lpfc_iocbq
*oldiocb
, struct lpfc_nodelist
*ndlp
)
2216 struct lpfc_iocbq
*elsiocb
;
2217 struct lpfc_sli_ring
*pring
;
2218 struct lpfc_sli
*psli
;
2224 pring
= &psli
->ring
[LPFC_ELS_RING
];
2226 cmdsize
= sizeof (uint32_t) + sizeof (uint32_t)
2227 + (2 * sizeof (struct lpfc_name
));
2229 cmdsize
+= sizeof (RNID_TOP_DISC
);
2231 elsiocb
= lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
,
2232 ndlp
, ndlp
->nlp_DID
, ELS_CMD_ACC
);
2236 icmd
= &elsiocb
->iocb
;
2237 oldcmd
= &oldiocb
->iocb
;
2238 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
2240 /* Xmit RNID ACC response tag <ulpIoTag> */
2241 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
2242 "%d:0132 Xmit RNID ACC response tag x%x "
2244 phba
->brd_no
, elsiocb
->iotag
,
2245 elsiocb
->iocb
.ulpContext
);
2247 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
2249 *((uint32_t *) (pcmd
)) = ELS_CMD_ACC
;
2250 pcmd
+= sizeof (uint32_t);
2252 memset(pcmd
, 0, sizeof (RNID
));
2253 rn
= (RNID
*) (pcmd
);
2254 rn
->Format
= format
;
2255 rn
->CommonLen
= (2 * sizeof (struct lpfc_name
));
2256 memcpy(&rn
->portName
, &phba
->fc_portname
, sizeof (struct lpfc_name
));
2257 memcpy(&rn
->nodeName
, &phba
->fc_nodename
, sizeof (struct lpfc_name
));
2260 rn
->SpecificLen
= 0;
2262 case RNID_TOPOLOGY_DISC
:
2263 rn
->SpecificLen
= sizeof (RNID_TOP_DISC
);
2264 memcpy(&rn
->un
.topologyDisc
.portName
,
2265 &phba
->fc_portname
, sizeof (struct lpfc_name
));
2266 rn
->un
.topologyDisc
.unitType
= RNID_HBA
;
2267 rn
->un
.topologyDisc
.physPort
= 0;
2268 rn
->un
.topologyDisc
.attachedNodes
= 0;
2272 rn
->SpecificLen
= 0;
2276 phba
->fc_stat
.elsXmitACC
++;
2277 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_acc
;
2279 elsiocb
->context1
= NULL
; /* Don't need ndlp for cmpl,
2280 * it could be freed */
2282 spin_lock_irq(phba
->host
->host_lock
);
2283 rc
= lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0);
2284 spin_unlock_irq(phba
->host
->host_lock
);
2285 if (rc
== IOCB_ERROR
) {
2286 lpfc_els_free_iocb(phba
, elsiocb
);
2293 lpfc_els_disc_adisc(struct lpfc_hba
*phba
)
2296 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2299 /* go thru NPR nodes and issue any remaining ELS ADISCs */
2300 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_nodes
, nlp_listp
) {
2301 if (ndlp
->nlp_state
== NLP_STE_NPR_NODE
&&
2302 (ndlp
->nlp_flag
& NLP_NPR_2B_DISC
) != 0 &&
2303 (ndlp
->nlp_flag
& NLP_NPR_ADISC
) != 0) {
2304 spin_lock_irq(phba
->host
->host_lock
);
2305 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2306 spin_unlock_irq(phba
->host
->host_lock
);
2307 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
2308 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_ADISC_ISSUE
);
2309 lpfc_issue_els_adisc(phba
, ndlp
, 0);
2311 phba
->num_disc_nodes
++;
2312 if (phba
->num_disc_nodes
>=
2313 phba
->cfg_discovery_threads
) {
2314 spin_lock_irq(phba
->host
->host_lock
);
2315 phba
->fc_flag
|= FC_NLP_MORE
;
2316 spin_unlock_irq(phba
->host
->host_lock
);
2321 if (sentadisc
== 0) {
2322 spin_lock_irq(phba
->host
->host_lock
);
2323 phba
->fc_flag
&= ~FC_NLP_MORE
;
2324 spin_unlock_irq(phba
->host
->host_lock
);
2330 lpfc_els_disc_plogi(struct lpfc_hba
* phba
)
2333 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2336 /* go thru NPR list and issue any remaining ELS PLOGIs */
2337 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_nodes
, nlp_listp
) {
2338 if (ndlp
->nlp_state
== NLP_STE_NPR_NODE
&&
2339 (ndlp
->nlp_flag
& NLP_NPR_2B_DISC
) != 0 &&
2340 (ndlp
->nlp_flag
& NLP_DELAY_TMO
) == 0 &&
2341 (ndlp
->nlp_flag
& NLP_NPR_ADISC
) == 0) {
2342 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
2343 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_PLOGI_ISSUE
);
2344 lpfc_issue_els_plogi(phba
, ndlp
->nlp_DID
, 0);
2346 phba
->num_disc_nodes
++;
2347 if (phba
->num_disc_nodes
>=
2348 phba
->cfg_discovery_threads
) {
2349 spin_lock_irq(phba
->host
->host_lock
);
2350 phba
->fc_flag
|= FC_NLP_MORE
;
2351 spin_unlock_irq(phba
->host
->host_lock
);
2356 if (sentplogi
== 0) {
2357 spin_lock_irq(phba
->host
->host_lock
);
2358 phba
->fc_flag
&= ~FC_NLP_MORE
;
2359 spin_unlock_irq(phba
->host
->host_lock
);
2365 lpfc_els_flush_rscn(struct lpfc_hba
* phba
)
2367 struct lpfc_dmabuf
*mp
;
2370 for (i
= 0; i
< phba
->fc_rscn_id_cnt
; i
++) {
2371 mp
= phba
->fc_rscn_id_list
[i
];
2372 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2374 phba
->fc_rscn_id_list
[i
] = NULL
;
2376 phba
->fc_rscn_id_cnt
= 0;
2377 spin_lock_irq(phba
->host
->host_lock
);
2378 phba
->fc_flag
&= ~(FC_RSCN_MODE
| FC_RSCN_DISCOVERY
);
2379 spin_unlock_irq(phba
->host
->host_lock
);
2380 lpfc_can_disctmo(phba
);
2385 lpfc_rscn_payload_check(struct lpfc_hba
* phba
, uint32_t did
)
2389 struct lpfc_dmabuf
*mp
;
2391 uint32_t payload_len
, cmd
, i
, match
;
2393 ns_did
.un
.word
= did
;
2396 /* Never match fabric nodes for RSCNs */
2397 if ((did
& Fabric_DID_MASK
) == Fabric_DID_MASK
)
2400 /* If we are doing a FULL RSCN rediscovery, match everything */
2401 if (phba
->fc_flag
& FC_RSCN_DISCOVERY
) {
2405 for (i
= 0; i
< phba
->fc_rscn_id_cnt
; i
++) {
2406 mp
= phba
->fc_rscn_id_list
[i
];
2407 lp
= (uint32_t *) mp
->virt
;
2409 payload_len
= be32_to_cpu(cmd
) & 0xffff; /* payload length */
2410 payload_len
-= sizeof (uint32_t); /* take off word 0 */
2411 while (payload_len
) {
2412 rscn_did
.un
.word
= *lp
++;
2413 rscn_did
.un
.word
= be32_to_cpu(rscn_did
.un
.word
);
2414 payload_len
-= sizeof (uint32_t);
2415 switch (rscn_did
.un
.b
.resv
) {
2416 case 0: /* Single N_Port ID effected */
2417 if (ns_did
.un
.word
== rscn_did
.un
.word
) {
2421 case 1: /* Whole N_Port Area effected */
2422 if ((ns_did
.un
.b
.domain
== rscn_did
.un
.b
.domain
)
2423 && (ns_did
.un
.b
.area
== rscn_did
.un
.b
.area
))
2428 case 2: /* Whole N_Port Domain effected */
2429 if (ns_did
.un
.b
.domain
== rscn_did
.un
.b
.domain
)
2434 case 3: /* Whole Fabric effected */
2438 /* Unknown Identifier in RSCN list */
2439 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2440 "%d:0217 Unknown Identifier in "
2441 "RSCN payload Data: x%x\n",
2442 phba
->brd_no
, rscn_did
.un
.word
);
2454 lpfc_rscn_recovery_check(struct lpfc_hba
*phba
)
2456 struct lpfc_nodelist
*ndlp
= NULL
;
2458 /* Look at all nodes effected by pending RSCNs and move
2459 * them to NPR state.
2462 list_for_each_entry(ndlp
, &phba
->fc_nodes
, nlp_listp
) {
2463 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
||
2464 lpfc_rscn_payload_check(phba
, ndlp
->nlp_DID
) == 0)
2467 lpfc_disc_state_machine(phba
, ndlp
, NULL
,
2468 NLP_EVT_DEVICE_RECOVERY
);
2471 * Make sure NLP_DELAY_TMO is NOT running after a device
2474 if (ndlp
->nlp_flag
& NLP_DELAY_TMO
)
2475 lpfc_cancel_retry_delay_tmo(phba
, ndlp
);
2482 lpfc_els_rcv_rscn(struct lpfc_hba
* phba
,
2483 struct lpfc_iocbq
* cmdiocb
,
2484 struct lpfc_nodelist
* ndlp
, uint8_t newnode
)
2486 struct lpfc_dmabuf
*pcmd
;
2489 uint32_t payload_len
, cmd
;
2492 icmd
= &cmdiocb
->iocb
;
2493 pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
2494 lp
= (uint32_t *) pcmd
->virt
;
2497 payload_len
= be32_to_cpu(cmd
) & 0xffff; /* payload length */
2498 payload_len
-= sizeof (uint32_t); /* take off word 0 */
2499 cmd
&= ELS_CMD_MASK
;
2502 lpfc_printf_log(phba
,
2505 "%d:0214 RSCN received Data: x%x x%x x%x x%x\n",
2507 phba
->fc_flag
, payload_len
, *lp
, phba
->fc_rscn_id_cnt
);
2509 for (i
= 0; i
< payload_len
/sizeof(uint32_t); i
++)
2510 fc_host_post_event(phba
->host
, fc_get_event_number(),
2511 FCH_EVT_RSCN
, lp
[i
]);
2513 /* If we are about to begin discovery, just ACC the RSCN.
2514 * Discovery processing will satisfy it.
2516 if (phba
->hba_state
<= LPFC_NS_QRY
) {
2517 lpfc_els_rsp_acc(phba
, ELS_CMD_ACC
, cmdiocb
, ndlp
, NULL
,
2522 /* If we are already processing an RSCN, save the received
2523 * RSCN payload buffer, cmdiocb->context2 to process later.
2525 if (phba
->fc_flag
& (FC_RSCN_MODE
| FC_NDISC_ACTIVE
)) {
2526 if ((phba
->fc_rscn_id_cnt
< FC_MAX_HOLD_RSCN
) &&
2527 !(phba
->fc_flag
& FC_RSCN_DISCOVERY
)) {
2528 spin_lock_irq(phba
->host
->host_lock
);
2529 phba
->fc_flag
|= FC_RSCN_MODE
;
2530 spin_unlock_irq(phba
->host
->host_lock
);
2531 phba
->fc_rscn_id_list
[phba
->fc_rscn_id_cnt
++] = pcmd
;
2533 /* If we zero, cmdiocb->context2, the calling
2534 * routine will not try to free it.
2536 cmdiocb
->context2
= NULL
;
2539 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
2540 "%d:0235 Deferred RSCN "
2541 "Data: x%x x%x x%x\n",
2542 phba
->brd_no
, phba
->fc_rscn_id_cnt
,
2543 phba
->fc_flag
, phba
->hba_state
);
2545 spin_lock_irq(phba
->host
->host_lock
);
2546 phba
->fc_flag
|= FC_RSCN_DISCOVERY
;
2547 spin_unlock_irq(phba
->host
->host_lock
);
2548 /* ReDiscovery RSCN */
2549 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
2550 "%d:0234 ReDiscovery RSCN "
2551 "Data: x%x x%x x%x\n",
2552 phba
->brd_no
, phba
->fc_rscn_id_cnt
,
2553 phba
->fc_flag
, phba
->hba_state
);
2556 lpfc_els_rsp_acc(phba
, ELS_CMD_ACC
, cmdiocb
, ndlp
, NULL
,
2559 /* send RECOVERY event for ALL nodes that match RSCN payload */
2560 lpfc_rscn_recovery_check(phba
);
2564 phba
->fc_flag
|= FC_RSCN_MODE
;
2565 phba
->fc_rscn_id_list
[phba
->fc_rscn_id_cnt
++] = pcmd
;
2567 * If we zero, cmdiocb->context2, the calling routine will
2568 * not try to free it.
2570 cmdiocb
->context2
= NULL
;
2572 lpfc_set_disctmo(phba
);
2575 lpfc_els_rsp_acc(phba
, ELS_CMD_ACC
, cmdiocb
, ndlp
, NULL
, newnode
);
2577 /* send RECOVERY event for ALL nodes that match RSCN payload */
2578 lpfc_rscn_recovery_check(phba
);
2580 return lpfc_els_handle_rscn(phba
);
2584 lpfc_els_handle_rscn(struct lpfc_hba
* phba
)
2586 struct lpfc_nodelist
*ndlp
;
2588 /* Start timer for RSCN processing */
2589 lpfc_set_disctmo(phba
);
2591 /* RSCN processed */
2592 lpfc_printf_log(phba
,
2595 "%d:0215 RSCN processed Data: x%x x%x x%x x%x\n",
2597 phba
->fc_flag
, 0, phba
->fc_rscn_id_cnt
,
2600 /* To process RSCN, first compare RSCN data with NameServer */
2601 phba
->fc_ns_retry
= 0;
2602 ndlp
= lpfc_findnode_did(phba
, NameServer_DID
);
2603 if (ndlp
&& ndlp
->nlp_state
== NLP_STE_UNMAPPED_NODE
) {
2604 /* Good ndlp, issue CT Request to NameServer */
2605 if (lpfc_ns_cmd(phba
, ndlp
, SLI_CTNS_GID_FT
) == 0) {
2606 /* Wait for NameServer query cmpl before we can
2611 /* If login to NameServer does not exist, issue one */
2612 /* Good status, issue PLOGI to NameServer */
2613 ndlp
= lpfc_findnode_did(phba
, NameServer_DID
);
2615 /* Wait for NameServer login cmpl before we can
2619 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
2621 lpfc_els_flush_rscn(phba
);
2624 lpfc_nlp_init(phba
, ndlp
, NameServer_DID
);
2625 ndlp
->nlp_type
|= NLP_FABRIC
;
2626 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
2627 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_PLOGI_ISSUE
);
2628 lpfc_issue_els_plogi(phba
, NameServer_DID
, 0);
2629 /* Wait for NameServer login cmpl before we can
2635 lpfc_els_flush_rscn(phba
);
2640 lpfc_els_rcv_flogi(struct lpfc_hba
* phba
,
2641 struct lpfc_iocbq
* cmdiocb
,
2642 struct lpfc_nodelist
* ndlp
, uint8_t newnode
)
2644 struct lpfc_dmabuf
*pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
2645 uint32_t *lp
= (uint32_t *) pcmd
->virt
;
2646 IOCB_t
*icmd
= &cmdiocb
->iocb
;
2647 struct serv_parm
*sp
;
2654 sp
= (struct serv_parm
*) lp
;
2656 /* FLOGI received */
2658 lpfc_set_disctmo(phba
);
2660 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
2661 /* We should never receive a FLOGI in loop mode, ignore it */
2662 did
= icmd
->un
.elsreq64
.remoteID
;
2664 /* An FLOGI ELS command <elsCmd> was received from DID <did> in
2666 lpfc_printf_log(phba
, KERN_ERR
, LOG_ELS
,
2667 "%d:0113 An FLOGI ELS command x%x was received "
2668 "from DID x%x in Loop Mode\n",
2669 phba
->brd_no
, cmd
, did
);
2675 if ((lpfc_check_sparm(phba
, ndlp
, sp
, CLASS3
))) {
2676 /* For a FLOGI we accept, then if our portname is greater
2677 * then the remote portname we initiate Nport login.
2680 rc
= memcmp(&phba
->fc_portname
, &sp
->portName
,
2681 sizeof (struct lpfc_name
));
2684 if ((mbox
= mempool_alloc(phba
->mbox_mem_pool
,
2685 GFP_KERNEL
)) == 0) {
2688 lpfc_linkdown(phba
);
2689 lpfc_init_link(phba
, mbox
,
2691 phba
->cfg_link_speed
);
2692 mbox
->mb
.un
.varInitLnk
.lipsr_AL_PA
= 0;
2693 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
2694 rc
= lpfc_sli_issue_mbox
2695 (phba
, mbox
, (MBX_NOWAIT
| MBX_STOP_IOCB
));
2696 lpfc_set_loopback_flag(phba
);
2697 if (rc
== MBX_NOT_FINISHED
) {
2698 mempool_free(mbox
, phba
->mbox_mem_pool
);
2701 } else if (rc
> 0) { /* greater than */
2702 spin_lock_irq(phba
->host
->host_lock
);
2703 phba
->fc_flag
|= FC_PT2PT_PLOGI
;
2704 spin_unlock_irq(phba
->host
->host_lock
);
2706 phba
->fc_flag
|= FC_PT2PT
;
2707 phba
->fc_flag
&= ~(FC_FABRIC
| FC_PUBLIC_LOOP
);
2709 /* Reject this request because invalid parameters */
2710 stat
.un
.b
.lsRjtRsvd0
= 0;
2711 stat
.un
.b
.lsRjtRsnCode
= LSRJT_UNABLE_TPC
;
2712 stat
.un
.b
.lsRjtRsnCodeExp
= LSEXP_SPARM_OPTIONS
;
2713 stat
.un
.b
.vendorUnique
= 0;
2714 lpfc_els_rsp_reject(phba
, stat
.un
.lsRjtError
, cmdiocb
, ndlp
);
2719 lpfc_els_rsp_acc(phba
, ELS_CMD_PLOGI
, cmdiocb
, ndlp
, NULL
, newnode
);
2725 lpfc_els_rcv_rnid(struct lpfc_hba
* phba
,
2726 struct lpfc_iocbq
* cmdiocb
, struct lpfc_nodelist
* ndlp
)
2728 struct lpfc_dmabuf
*pcmd
;
2735 icmd
= &cmdiocb
->iocb
;
2736 did
= icmd
->un
.elsreq64
.remoteID
;
2737 pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
2738 lp
= (uint32_t *) pcmd
->virt
;
2745 switch (rn
->Format
) {
2747 case RNID_TOPOLOGY_DISC
:
2749 lpfc_els_rsp_rnid_acc(phba
, rn
->Format
, cmdiocb
, ndlp
);
2752 /* Reject this request because format not supported */
2753 stat
.un
.b
.lsRjtRsvd0
= 0;
2754 stat
.un
.b
.lsRjtRsnCode
= LSRJT_UNABLE_TPC
;
2755 stat
.un
.b
.lsRjtRsnCodeExp
= LSEXP_CANT_GIVE_DATA
;
2756 stat
.un
.b
.vendorUnique
= 0;
2757 lpfc_els_rsp_reject(phba
, stat
.un
.lsRjtError
, cmdiocb
, ndlp
);
2763 lpfc_els_rcv_lirr(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdiocb
,
2764 struct lpfc_nodelist
*ndlp
)
2768 /* For now, unconditionally reject this command */
2769 stat
.un
.b
.lsRjtRsvd0
= 0;
2770 stat
.un
.b
.lsRjtRsnCode
= LSRJT_UNABLE_TPC
;
2771 stat
.un
.b
.lsRjtRsnCodeExp
= LSEXP_CANT_GIVE_DATA
;
2772 stat
.un
.b
.vendorUnique
= 0;
2773 lpfc_els_rsp_reject(phba
, stat
.un
.lsRjtError
, cmdiocb
, ndlp
);
2778 lpfc_els_rsp_rps_acc(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
2780 struct lpfc_sli
*psli
;
2781 struct lpfc_sli_ring
*pring
;
2786 struct lpfc_iocbq
*elsiocb
;
2787 struct lpfc_nodelist
*ndlp
;
2788 uint16_t xri
, status
;
2792 pring
= &psli
->ring
[LPFC_ELS_RING
];
2795 ndlp
= (struct lpfc_nodelist
*) pmb
->context2
;
2796 xri
= (uint16_t) ((unsigned long)(pmb
->context1
));
2797 pmb
->context1
= NULL
;
2798 pmb
->context2
= NULL
;
2800 if (mb
->mbxStatus
) {
2801 mempool_free(pmb
, phba
->mbox_mem_pool
);
2805 cmdsize
= sizeof(RPS_RSP
) + sizeof(uint32_t);
2806 mempool_free(pmb
, phba
->mbox_mem_pool
);
2807 elsiocb
= lpfc_prep_els_iocb(phba
, 0, cmdsize
, lpfc_max_els_tries
, ndlp
,
2808 ndlp
->nlp_DID
, ELS_CMD_ACC
);
2813 icmd
= &elsiocb
->iocb
;
2814 icmd
->ulpContext
= xri
;
2816 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
2817 *((uint32_t *) (pcmd
)) = ELS_CMD_ACC
;
2818 pcmd
+= sizeof (uint32_t); /* Skip past command */
2819 rps_rsp
= (RPS_RSP
*)pcmd
;
2821 if (phba
->fc_topology
!= TOPOLOGY_LOOP
)
2825 if (phba
->fc_flag
& FC_FABRIC
)
2829 rps_rsp
->portStatus
= be16_to_cpu(status
);
2830 rps_rsp
->linkFailureCnt
= be32_to_cpu(mb
->un
.varRdLnk
.linkFailureCnt
);
2831 rps_rsp
->lossSyncCnt
= be32_to_cpu(mb
->un
.varRdLnk
.lossSyncCnt
);
2832 rps_rsp
->lossSignalCnt
= be32_to_cpu(mb
->un
.varRdLnk
.lossSignalCnt
);
2833 rps_rsp
->primSeqErrCnt
= be32_to_cpu(mb
->un
.varRdLnk
.primSeqErrCnt
);
2834 rps_rsp
->invalidXmitWord
= be32_to_cpu(mb
->un
.varRdLnk
.invalidXmitWord
);
2835 rps_rsp
->crcCnt
= be32_to_cpu(mb
->un
.varRdLnk
.crcCnt
);
2837 /* Xmit ELS RPS ACC response tag <ulpIoTag> */
2838 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
2839 "%d:0118 Xmit ELS RPS ACC response tag x%x xri x%x, "
2840 "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n",
2841 phba
->brd_no
, elsiocb
->iotag
,
2842 elsiocb
->iocb
.ulpContext
, ndlp
->nlp_DID
,
2843 ndlp
->nlp_flag
, ndlp
->nlp_state
, ndlp
->nlp_rpi
);
2845 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_acc
;
2846 phba
->fc_stat
.elsXmitACC
++;
2848 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
2849 lpfc_els_free_iocb(phba
, elsiocb
);
2855 lpfc_els_rcv_rps(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
2856 struct lpfc_nodelist
* ndlp
)
2861 struct lpfc_dmabuf
*pcmd
;
2865 if ((ndlp
->nlp_state
!= NLP_STE_UNMAPPED_NODE
) &&
2866 (ndlp
->nlp_state
!= NLP_STE_MAPPED_NODE
)) {
2867 stat
.un
.b
.lsRjtRsvd0
= 0;
2868 stat
.un
.b
.lsRjtRsnCode
= LSRJT_UNABLE_TPC
;
2869 stat
.un
.b
.lsRjtRsnCodeExp
= LSEXP_CANT_GIVE_DATA
;
2870 stat
.un
.b
.vendorUnique
= 0;
2871 lpfc_els_rsp_reject(phba
, stat
.un
.lsRjtError
, cmdiocb
, ndlp
);
2874 pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
2875 lp
= (uint32_t *) pcmd
->virt
;
2876 flag
= (be32_to_cpu(*lp
++) & 0xf);
2880 ((flag
== 1) && (be32_to_cpu(rps
->un
.portNum
) == 0)) ||
2881 ((flag
== 2) && (memcmp(&rps
->un
.portName
, &phba
->fc_portname
,
2882 sizeof (struct lpfc_name
)) == 0))) {
2883 if ((mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_ATOMIC
))) {
2884 lpfc_read_lnk_stat(phba
, mbox
);
2886 (void *)((unsigned long)cmdiocb
->iocb
.ulpContext
);
2887 mbox
->context2
= lpfc_nlp_get(ndlp
);
2888 mbox
->mbox_cmpl
= lpfc_els_rsp_rps_acc
;
2889 if (lpfc_sli_issue_mbox (phba
, mbox
,
2890 (MBX_NOWAIT
| MBX_STOP_IOCB
)) != MBX_NOT_FINISHED
) {
2891 /* Mbox completion will send ELS Response */
2895 mempool_free(mbox
, phba
->mbox_mem_pool
);
2898 stat
.un
.b
.lsRjtRsvd0
= 0;
2899 stat
.un
.b
.lsRjtRsnCode
= LSRJT_UNABLE_TPC
;
2900 stat
.un
.b
.lsRjtRsnCodeExp
= LSEXP_CANT_GIVE_DATA
;
2901 stat
.un
.b
.vendorUnique
= 0;
2902 lpfc_els_rsp_reject(phba
, stat
.un
.lsRjtError
, cmdiocb
, ndlp
);
2907 lpfc_els_rsp_rpl_acc(struct lpfc_hba
* phba
, uint16_t cmdsize
,
2908 struct lpfc_iocbq
* oldiocb
, struct lpfc_nodelist
* ndlp
)
2913 struct lpfc_iocbq
*elsiocb
;
2914 struct lpfc_sli_ring
*pring
;
2915 struct lpfc_sli
*psli
;
2919 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
2921 elsiocb
= lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
,
2922 ndlp
, ndlp
->nlp_DID
, ELS_CMD_ACC
);
2926 icmd
= &elsiocb
->iocb
;
2927 oldcmd
= &oldiocb
->iocb
;
2928 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
2930 pcmd
= (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
2931 *((uint32_t *) (pcmd
)) = ELS_CMD_ACC
;
2932 pcmd
+= sizeof (uint16_t);
2933 *((uint16_t *)(pcmd
)) = be16_to_cpu(cmdsize
);
2934 pcmd
+= sizeof(uint16_t);
2936 /* Setup the RPL ACC payload */
2937 rpl_rsp
.listLen
= be32_to_cpu(1);
2939 rpl_rsp
.port_num_blk
.portNum
= 0;
2940 rpl_rsp
.port_num_blk
.portID
= be32_to_cpu(phba
->fc_myDID
);
2941 memcpy(&rpl_rsp
.port_num_blk
.portName
, &phba
->fc_portname
,
2942 sizeof(struct lpfc_name
));
2944 memcpy(pcmd
, &rpl_rsp
, cmdsize
- sizeof(uint32_t));
2947 /* Xmit ELS RPL ACC response tag <ulpIoTag> */
2948 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
2949 "%d:0120 Xmit ELS RPL ACC response tag x%x xri x%x, "
2950 "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n",
2951 phba
->brd_no
, elsiocb
->iotag
,
2952 elsiocb
->iocb
.ulpContext
, ndlp
->nlp_DID
,
2953 ndlp
->nlp_flag
, ndlp
->nlp_state
, ndlp
->nlp_rpi
);
2955 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_acc
;
2957 phba
->fc_stat
.elsXmitACC
++;
2958 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
2959 lpfc_els_free_iocb(phba
, elsiocb
);
2966 lpfc_els_rcv_rpl(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
2967 struct lpfc_nodelist
* ndlp
)
2969 struct lpfc_dmabuf
*pcmd
;
2976 if ((ndlp
->nlp_state
!= NLP_STE_UNMAPPED_NODE
) &&
2977 (ndlp
->nlp_state
!= NLP_STE_MAPPED_NODE
)) {
2978 stat
.un
.b
.lsRjtRsvd0
= 0;
2979 stat
.un
.b
.lsRjtRsnCode
= LSRJT_UNABLE_TPC
;
2980 stat
.un
.b
.lsRjtRsnCodeExp
= LSEXP_CANT_GIVE_DATA
;
2981 stat
.un
.b
.vendorUnique
= 0;
2982 lpfc_els_rsp_reject(phba
, stat
.un
.lsRjtError
, cmdiocb
, ndlp
);
2985 pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
2986 lp
= (uint32_t *) pcmd
->virt
;
2987 rpl
= (RPL
*) (lp
+ 1);
2989 maxsize
= be32_to_cpu(rpl
->maxsize
);
2991 /* We support only one port */
2992 if ((rpl
->index
== 0) &&
2994 ((maxsize
* sizeof(uint32_t)) >= sizeof(RPL_RSP
)))) {
2995 cmdsize
= sizeof(uint32_t) + sizeof(RPL_RSP
);
2997 cmdsize
= sizeof(uint32_t) + maxsize
* sizeof(uint32_t);
2999 lpfc_els_rsp_rpl_acc(phba
, cmdsize
, cmdiocb
, ndlp
);
3005 lpfc_els_rcv_farp(struct lpfc_hba
* phba
,
3006 struct lpfc_iocbq
* cmdiocb
, struct lpfc_nodelist
* ndlp
)
3008 struct lpfc_dmabuf
*pcmd
;
3012 uint32_t cmd
, cnt
, did
;
3014 icmd
= &cmdiocb
->iocb
;
3015 did
= icmd
->un
.elsreq64
.remoteID
;
3016 pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
3017 lp
= (uint32_t *) pcmd
->virt
;
3022 /* FARP-REQ received from DID <did> */
3023 lpfc_printf_log(phba
,
3026 "%d:0601 FARP-REQ received from DID x%x\n",
3029 /* We will only support match on WWPN or WWNN */
3030 if (fp
->Mflags
& ~(FARP_MATCH_NODE
| FARP_MATCH_PORT
)) {
3035 /* If this FARP command is searching for my portname */
3036 if (fp
->Mflags
& FARP_MATCH_PORT
) {
3037 if (memcmp(&fp
->RportName
, &phba
->fc_portname
,
3038 sizeof (struct lpfc_name
)) == 0)
3042 /* If this FARP command is searching for my nodename */
3043 if (fp
->Mflags
& FARP_MATCH_NODE
) {
3044 if (memcmp(&fp
->RnodeName
, &phba
->fc_nodename
,
3045 sizeof (struct lpfc_name
)) == 0)
3050 if ((ndlp
->nlp_state
== NLP_STE_UNMAPPED_NODE
) ||
3051 (ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
)) {
3052 /* Log back into the node before sending the FARP. */
3053 if (fp
->Rflags
& FARP_REQUEST_PLOGI
) {
3054 ndlp
->nlp_prev_state
= ndlp
->nlp_state
;
3055 lpfc_nlp_set_state(phba
, ndlp
,
3056 NLP_STE_PLOGI_ISSUE
);
3057 lpfc_issue_els_plogi(phba
, ndlp
->nlp_DID
, 0);
3060 /* Send a FARP response to that node */
3061 if (fp
->Rflags
& FARP_REQUEST_FARPR
) {
3062 lpfc_issue_els_farpr(phba
, did
, 0);
3070 lpfc_els_rcv_farpr(struct lpfc_hba
* phba
,
3071 struct lpfc_iocbq
* cmdiocb
, struct lpfc_nodelist
* ndlp
)
3073 struct lpfc_dmabuf
*pcmd
;
3078 icmd
= &cmdiocb
->iocb
;
3079 did
= icmd
->un
.elsreq64
.remoteID
;
3080 pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
3081 lp
= (uint32_t *) pcmd
->virt
;
3084 /* FARP-RSP received from DID <did> */
3085 lpfc_printf_log(phba
,
3088 "%d:0600 FARP-RSP received from DID x%x\n",
3091 /* ACCEPT the Farp resp request */
3092 lpfc_els_rsp_acc(phba
, ELS_CMD_ACC
, cmdiocb
, ndlp
, NULL
, 0);
3098 lpfc_els_rcv_fan(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
3099 struct lpfc_nodelist
* fan_ndlp
)
3101 struct lpfc_dmabuf
*pcmd
;
3106 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
3109 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
, "%d:0265 FAN received\n",
3112 icmd
= &cmdiocb
->iocb
;
3113 did
= icmd
->un
.elsreq64
.remoteID
;
3114 pcmd
= (struct lpfc_dmabuf
*)cmdiocb
->context2
;
3115 lp
= (uint32_t *)pcmd
->virt
;
3120 /* FAN received; Fan does not have a reply sequence */
3122 if (phba
->hba_state
== LPFC_LOCAL_CFG_LINK
) {
3123 if ((memcmp(&phba
->fc_fabparam
.nodeName
, &fp
->FnodeName
,
3124 sizeof(struct lpfc_name
)) != 0) ||
3125 (memcmp(&phba
->fc_fabparam
.portName
, &fp
->FportName
,
3126 sizeof(struct lpfc_name
)) != 0)) {
3128 * This node has switched fabrics. FLOGI is required
3129 * Clean up the old rpi's
3132 list_for_each_entry_safe(ndlp
, next_ndlp
,
3133 &phba
->fc_nodes
, nlp_listp
) {
3134 if (ndlp
->nlp_state
!= NLP_STE_NPR_NODE
)
3136 if (ndlp
->nlp_type
& NLP_FABRIC
) {
3138 * Clean up old Fabric, Nameserver and
3139 * other NLP_FABRIC logins
3141 lpfc_drop_node(phba
, ndlp
);
3142 } else if (!(ndlp
->nlp_flag
& NLP_NPR_ADISC
)) {
3143 /* Fail outstanding I/O now since this
3144 * device is marked for PLOGI
3146 lpfc_unreg_rpi(phba
, ndlp
);
3150 phba
->hba_state
= LPFC_FLOGI
;
3151 lpfc_set_disctmo(phba
);
3152 lpfc_initial_flogi(phba
);
3155 /* Discovery not needed,
3156 * move the nodes to their original state.
3158 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_nodes
,
3160 if (ndlp
->nlp_state
!= NLP_STE_NPR_NODE
)
3163 switch (ndlp
->nlp_prev_state
) {
3164 case NLP_STE_UNMAPPED_NODE
:
3165 ndlp
->nlp_prev_state
= NLP_STE_NPR_NODE
;
3166 lpfc_nlp_set_state(phba
, ndlp
,
3167 NLP_STE_UNMAPPED_NODE
);
3170 case NLP_STE_MAPPED_NODE
:
3171 ndlp
->nlp_prev_state
= NLP_STE_NPR_NODE
;
3172 lpfc_nlp_set_state(phba
, ndlp
,
3173 NLP_STE_MAPPED_NODE
);
3181 /* Start discovery - this should just do CLEAR_LA */
3182 lpfc_disc_start(phba
);
3188 lpfc_els_timeout(unsigned long ptr
)
3190 struct lpfc_hba
*phba
;
3191 unsigned long iflag
;
3193 phba
= (struct lpfc_hba
*)ptr
;
3196 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
3197 if (!(phba
->work_hba_events
& WORKER_ELS_TMO
)) {
3198 phba
->work_hba_events
|= WORKER_ELS_TMO
;
3199 if (phba
->work_wait
)
3200 wake_up(phba
->work_wait
);
3202 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
3207 lpfc_els_timeout_handler(struct lpfc_hba
*phba
)
3209 struct lpfc_sli_ring
*pring
;
3210 struct lpfc_iocbq
*tmp_iocb
, *piocb
;
3212 struct lpfc_dmabuf
*pcmd
;
3214 uint32_t els_command
=0;
3220 spin_lock_irq(phba
->host
->host_lock
);
3221 /* If the timer is already canceled do nothing */
3222 if (!(phba
->work_hba_events
& WORKER_ELS_TMO
)) {
3223 spin_unlock_irq(phba
->host
->host_lock
);
3226 timeout
= (uint32_t)(phba
->fc_ratov
<< 1);
3228 pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
3230 list_for_each_entry_safe(piocb
, tmp_iocb
, &pring
->txcmplq
, list
) {
3233 if ((piocb
->iocb_flag
& LPFC_IO_LIBDFC
) ||
3234 (piocb
->iocb
.ulpCommand
== CMD_ABORT_XRI_CN
) ||
3235 (piocb
->iocb
.ulpCommand
== CMD_CLOSE_XRI_CN
)) {
3238 pcmd
= (struct lpfc_dmabuf
*) piocb
->context2
;
3240 elscmd
= (uint32_t *) (pcmd
->virt
);
3241 els_command
= *elscmd
;
3244 if ((els_command
== ELS_CMD_FARP
)
3245 || (els_command
== ELS_CMD_FARPR
)) {
3249 if (piocb
->drvrTimeout
> 0) {
3250 if (piocb
->drvrTimeout
>= timeout
) {
3251 piocb
->drvrTimeout
-= timeout
;
3253 piocb
->drvrTimeout
= 0;
3258 if (cmd
->ulpCommand
== CMD_GEN_REQUEST64_CR
) {
3259 struct lpfc_nodelist
*ndlp
;
3260 ndlp
= __lpfc_findnode_rpi(phba
, cmd
->ulpContext
);
3261 remote_ID
= ndlp
->nlp_DID
;
3263 remote_ID
= cmd
->un
.elsreq64
.remoteID
;
3266 lpfc_printf_log(phba
,
3269 "%d:0127 ELS timeout Data: x%x x%x x%x x%x\n",
3270 phba
->brd_no
, els_command
,
3271 remote_ID
, cmd
->ulpCommand
, cmd
->ulpIoTag
);
3273 lpfc_sli_issue_abort_iotag(phba
, pring
, piocb
);
3275 if (phba
->sli
.ring
[LPFC_ELS_RING
].txcmplq_cnt
)
3276 mod_timer(&phba
->els_tmofunc
, jiffies
+ HZ
* timeout
);
3278 spin_unlock_irq(phba
->host
->host_lock
);
3282 lpfc_els_flush_cmd(struct lpfc_hba
*phba
)
3284 LIST_HEAD(completions
);
3285 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
3286 struct lpfc_iocbq
*tmp_iocb
, *piocb
;
3289 spin_lock_irq(phba
->host
->host_lock
);
3290 list_for_each_entry_safe(piocb
, tmp_iocb
, &pring
->txq
, list
) {
3293 if (piocb
->iocb_flag
& LPFC_IO_LIBDFC
) {
3297 /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */
3298 if (cmd
->ulpCommand
== CMD_QUE_RING_BUF_CN
||
3299 cmd
->ulpCommand
== CMD_QUE_RING_BUF64_CN
||
3300 cmd
->ulpCommand
== CMD_CLOSE_XRI_CN
||
3301 cmd
->ulpCommand
== CMD_ABORT_XRI_CN
)
3304 list_move_tail(&piocb
->list
, &completions
);
3309 list_for_each_entry_safe(piocb
, tmp_iocb
, &pring
->txcmplq
, list
) {
3312 if (piocb
->iocb_flag
& LPFC_IO_LIBDFC
) {
3316 lpfc_sli_issue_abort_iotag(phba
, pring
, piocb
);
3318 spin_unlock_irq(phba
->host
->host_lock
);
3320 while(!list_empty(&completions
)) {
3321 piocb
= list_get_first(&completions
, struct lpfc_iocbq
, list
);
3323 list_del(&piocb
->list
);
3325 if (piocb
->iocb_cmpl
) {
3326 cmd
->ulpStatus
= IOSTAT_LOCAL_REJECT
;
3327 cmd
->un
.ulpWord
[4] = IOERR_SLI_ABORTED
;
3328 (piocb
->iocb_cmpl
) (phba
, piocb
, piocb
);
3330 lpfc_sli_release_iocbq(phba
, piocb
);
3337 lpfc_els_unsol_event(struct lpfc_hba
* phba
,
3338 struct lpfc_sli_ring
* pring
, struct lpfc_iocbq
* elsiocb
)
3340 struct lpfc_sli
*psli
;
3341 struct lpfc_nodelist
*ndlp
;
3342 struct lpfc_dmabuf
*mp
;
3349 uint32_t drop_cmd
= 0; /* by default do NOT drop received cmd */
3350 uint32_t rjt_err
= 0;
3353 icmd
= &elsiocb
->iocb
;
3355 if ((icmd
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
3356 ((icmd
->un
.ulpWord
[4] & 0xff) == IOERR_RCV_BUFFER_WAITING
)) {
3357 /* Not enough posted buffers; Try posting more buffers */
3358 phba
->fc_stat
.NoRcvBuf
++;
3359 lpfc_post_buffer(phba
, pring
, 0, 1);
3363 /* If there are no BDEs associated with this IOCB,
3364 * there is nothing to do.
3366 if (icmd
->ulpBdeCount
== 0)
3369 /* type of ELS cmd is first 32bit word in packet */
3370 mp
= lpfc_sli_ringpostbuf_get(phba
, pring
, getPaddr(icmd
->un
.
3374 cont64
[0].addrLow
));
3381 lp
= (uint32_t *) mp
->virt
;
3383 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], 1, 1);
3385 if (icmd
->ulpStatus
) {
3386 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3392 /* Check to see if link went down during discovery */
3393 if (lpfc_els_chk_latt(phba
)) {
3394 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3400 did
= icmd
->un
.rcvels
.remoteID
;
3401 ndlp
= lpfc_findnode_did(phba
, did
);
3403 /* Cannot find existing Fabric ndlp, so allocate a new one */
3404 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
3406 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3412 lpfc_nlp_init(phba
, ndlp
, did
);
3414 if ((did
& Fabric_DID_MASK
) == Fabric_DID_MASK
) {
3415 ndlp
->nlp_type
|= NLP_FABRIC
;
3417 lpfc_nlp_set_state(phba
, ndlp
, NLP_STE_UNUSED_NODE
);
3420 phba
->fc_stat
.elsRcvFrame
++;
3421 if (elsiocb
->context1
)
3422 lpfc_nlp_put(elsiocb
->context1
);
3423 elsiocb
->context1
= lpfc_nlp_get(ndlp
);
3424 elsiocb
->context2
= mp
;
3426 if ((cmd
& ELS_CMD_MASK
) == ELS_CMD_RSCN
) {
3427 cmd
&= ELS_CMD_MASK
;
3429 /* ELS command <elsCmd> received from NPORT <did> */
3430 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
3431 "%d:0112 ELS command x%x received from NPORT x%x "
3432 "Data: x%x\n", phba
->brd_no
, cmd
, did
, phba
->hba_state
);
3436 phba
->fc_stat
.elsRcvPLOGI
++;
3437 if (phba
->hba_state
< LPFC_DISC_AUTH
) {
3441 ndlp
= lpfc_plogi_confirm_nport(phba
, mp
, ndlp
);
3442 lpfc_disc_state_machine(phba
, ndlp
, elsiocb
, NLP_EVT_RCV_PLOGI
);
3445 phba
->fc_stat
.elsRcvFLOGI
++;
3446 lpfc_els_rcv_flogi(phba
, elsiocb
, ndlp
, newnode
);
3448 lpfc_drop_node(phba
, ndlp
);
3451 phba
->fc_stat
.elsRcvLOGO
++;
3452 if (phba
->hba_state
< LPFC_DISC_AUTH
) {
3456 lpfc_disc_state_machine(phba
, ndlp
, elsiocb
, NLP_EVT_RCV_LOGO
);
3459 phba
->fc_stat
.elsRcvPRLO
++;
3460 if (phba
->hba_state
< LPFC_DISC_AUTH
) {
3464 lpfc_disc_state_machine(phba
, ndlp
, elsiocb
, NLP_EVT_RCV_PRLO
);
3467 phba
->fc_stat
.elsRcvRSCN
++;
3468 lpfc_els_rcv_rscn(phba
, elsiocb
, ndlp
, newnode
);
3470 lpfc_drop_node(phba
, ndlp
);
3473 phba
->fc_stat
.elsRcvADISC
++;
3474 if (phba
->hba_state
< LPFC_DISC_AUTH
) {
3478 lpfc_disc_state_machine(phba
, ndlp
, elsiocb
, NLP_EVT_RCV_ADISC
);
3481 phba
->fc_stat
.elsRcvPDISC
++;
3482 if (phba
->hba_state
< LPFC_DISC_AUTH
) {
3486 lpfc_disc_state_machine(phba
, ndlp
, elsiocb
, NLP_EVT_RCV_PDISC
);
3489 phba
->fc_stat
.elsRcvFARPR
++;
3490 lpfc_els_rcv_farpr(phba
, elsiocb
, ndlp
);
3493 phba
->fc_stat
.elsRcvFARP
++;
3494 lpfc_els_rcv_farp(phba
, elsiocb
, ndlp
);
3497 phba
->fc_stat
.elsRcvFAN
++;
3498 lpfc_els_rcv_fan(phba
, elsiocb
, ndlp
);
3501 phba
->fc_stat
.elsRcvPRLI
++;
3502 if (phba
->hba_state
< LPFC_DISC_AUTH
) {
3506 lpfc_disc_state_machine(phba
, ndlp
, elsiocb
, NLP_EVT_RCV_PRLI
);
3509 phba
->fc_stat
.elsRcvLIRR
++;
3510 lpfc_els_rcv_lirr(phba
, elsiocb
, ndlp
);
3512 lpfc_drop_node(phba
, ndlp
);
3515 phba
->fc_stat
.elsRcvRPS
++;
3516 lpfc_els_rcv_rps(phba
, elsiocb
, ndlp
);
3518 lpfc_drop_node(phba
, ndlp
);
3521 phba
->fc_stat
.elsRcvRPL
++;
3522 lpfc_els_rcv_rpl(phba
, elsiocb
, ndlp
);
3524 lpfc_drop_node(phba
, ndlp
);
3527 phba
->fc_stat
.elsRcvRNID
++;
3528 lpfc_els_rcv_rnid(phba
, elsiocb
, ndlp
);
3530 lpfc_drop_node(phba
, ndlp
);
3533 /* Unsupported ELS command, reject */
3536 /* Unknown ELS command <elsCmd> received from NPORT <did> */
3537 lpfc_printf_log(phba
, KERN_ERR
, LOG_ELS
,
3538 "%d:0115 Unknown ELS command x%x received from "
3539 "NPORT x%x\n", phba
->brd_no
, cmd
, did
);
3541 lpfc_drop_node(phba
, ndlp
);
3545 /* check if need to LS_RJT received ELS cmd */
3547 stat
.un
.b
.lsRjtRsvd0
= 0;
3548 stat
.un
.b
.lsRjtRsnCode
= LSRJT_UNABLE_TPC
;
3549 stat
.un
.b
.lsRjtRsnCodeExp
= LSEXP_NOTHING_MORE
;
3550 stat
.un
.b
.vendorUnique
= 0;
3551 lpfc_els_rsp_reject(phba
, stat
.un
.lsRjtError
, elsiocb
, ndlp
);
3554 lpfc_nlp_put(elsiocb
->context1
);
3555 elsiocb
->context1
= NULL
;
3556 if (elsiocb
->context2
) {
3557 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3561 /* check if need to drop received ELS cmd */
3562 if (drop_cmd
== 1) {
3563 lpfc_printf_log(phba
, KERN_ERR
, LOG_ELS
,
3564 "%d:0111 Dropping received ELS cmd "
3565 "Data: x%x x%x x%x\n", phba
->brd_no
,
3566 icmd
->ulpStatus
, icmd
->un
.ulpWord
[4],
3568 phba
->fc_stat
.elsRcvDrop
++;