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[SCSI] lpfc 8.2.2 : Error messages and debugfs updates
[deliverable/linux.git] / drivers / scsi / lpfc / lpfc_els.c
CommitLineData
dea3101e 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
c44ce173 3 * Fibre Channel Host Bus Adapters. *
9413afff 4 * Copyright (C) 2004-2007 Emulex. All rights reserved. *
c44ce173 5 * EMULEX and SLI are trademarks of Emulex. *
dea3101e 6 * www.emulex.com *
c44ce173 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea3101e 8 * *
9 * This program is free software; you can redistribute it and/or *
c44ce173
JSEC		 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. *
dea3101e 20 *******************************************************************/
21
dea3101e 22#include <linux/blkdev.h>
23#include <linux/pci.h>
24#include <linux/interrupt.h>
25
91886523 26#include <scsi/scsi.h>
dea3101e 27#include <scsi/scsi_device.h>
28#include <scsi/scsi_host.h>
29#include <scsi/scsi_transport_fc.h>
30
31#include "lpfc_hw.h"
32#include "lpfc_sli.h"
33#include "lpfc_disc.h"
34#include "lpfc_scsi.h"
35#include "lpfc.h"
36#include "lpfc_logmsg.h"
37#include "lpfc_crtn.h"
92d7f7b0 38#include "lpfc_vport.h"
858c9f6c 39#include "lpfc_debugfs.h"
dea3101e 40
41static int lpfc_els_retry(struct lpfc_hba *, struct lpfc_iocbq *,
42 struct lpfc_iocbq *);
92d7f7b0
JS		 43static void lpfc_cmpl_fabric_iocb(struct lpfc_hba *, struct lpfc_iocbq *,
44 struct lpfc_iocbq *);
45
dea3101e 46static int lpfc_max_els_tries = 3;
47
858c9f6c 48int
2e0fef85 49lpfc_els_chk_latt(struct lpfc_vport *vport)
dea3101e 50{
2e0fef85
JS		 51 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
52 struct lpfc_hba *phba = vport->phba;
dea3101e 53 uint32_t ha_copy;
dea3101e 54
2e0fef85
JS		 55 if (vport->port_state >= LPFC_VPORT_READY ||
56 phba->link_state == LPFC_LINK_DOWN)
dea3101e 57 return 0;
58
59 /* Read the HBA Host Attention Register */
dea3101e 60 ha_copy = readl(phba->HAregaddr);
dea3101e 61
62 if (!(ha_copy & HA_LATT))
63 return 0;
64
65 /* Pending Link Event during Discovery */
92d7f7b0
JS		 66 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
67 "%d (%d):0237 Pending Link Event during "
dea3101e 68 "Discovery: State x%x\n",
92d7f7b0 69 phba->brd_no, vport->vpi, phba->pport->port_state);
dea3101e 70
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
75 * events.
76 */
2e0fef85
JS		 77 spin_lock_irq(shost->host_lock);
78 vport->fc_flag |= FC_ABORT_DISCOVERY;
79 spin_unlock_irq(shost->host_lock);
dea3101e 80
92d7f7b0 81 if (phba->link_state != LPFC_CLEAR_LA)
ed957684 82 lpfc_issue_clear_la(phba, vport);
dea3101e 83
c9f8735b 84 return 1;
dea3101e 85}
86
87static struct lpfc_iocbq *
2e0fef85
JS		 88lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
89 uint16_t cmdSize, uint8_t retry,
90 struct lpfc_nodelist *ndlp, uint32_t did,
91 uint32_t elscmd)
dea3101e 92{
2e0fef85 93 struct lpfc_hba *phba = vport->phba;
0bd4ca25 94 struct lpfc_iocbq *elsiocb;
dea3101e 95 struct lpfc_dmabuf *pcmd, *prsp, *pbuflist;
96 struct ulp_bde64 *bpl;
97 IOCB_t *icmd;
98
dea3101e 99
2e0fef85
JS		 100 if (!lpfc_is_link_up(phba))
101 return NULL;
dea3101e 102
dea3101e 103 /* Allocate buffer for command iocb */
0bd4ca25 104 elsiocb = lpfc_sli_get_iocbq(phba);
dea3101e 105
106 if (elsiocb == NULL)
107 return NULL;
dea3101e 108 icmd = &elsiocb->iocb;
109
110 /* fill in BDEs for command */
111 /* Allocate buffer for command payload */
92d7f7b0 112 if (((pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
dea3101e 113 ((pcmd->virt = lpfc_mbuf_alloc(phba,
114 MEM_PRI, &(pcmd->phys))) == 0)) {
c9475cb0 115 kfree(pcmd);
dea3101e 116
604a3e30 117 lpfc_sli_release_iocbq(phba, elsiocb);
dea3101e 118 return NULL;
119 }
120
121 INIT_LIST_HEAD(&pcmd->list);
122
123 /* Allocate buffer for response payload */
124 if (expectRsp) {
92d7f7b0 125 prsp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
dea3101e 126 if (prsp)
127 prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
128 &prsp->phys);
129 if (prsp == 0 || prsp->virt == 0) {
c9475cb0 130 kfree(prsp);
dea3101e 131 lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys);
132 kfree(pcmd);
604a3e30 133 lpfc_sli_release_iocbq(phba, elsiocb);
dea3101e 134 return NULL;
135 }
136 INIT_LIST_HEAD(&prsp->list);
137 } else {
138 prsp = NULL;
139 }
140
141 /* Allocate buffer for Buffer ptr list */
92d7f7b0 142 pbuflist = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
dea3101e 143 if (pbuflist)
ed957684
JS		 144 pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
145 &pbuflist->phys);
dea3101e 146 if (pbuflist == 0 || pbuflist->virt == 0) {
604a3e30 147 lpfc_sli_release_iocbq(phba, elsiocb);
dea3101e 148 lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys);
149 lpfc_mbuf_free(phba, prsp->virt, prsp->phys);
150 kfree(pcmd);
151 kfree(prsp);
c9475cb0 152 kfree(pbuflist);
dea3101e 153 return NULL;
154 }
155
156 INIT_LIST_HEAD(&pbuflist->list);
157
158 icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys);
159 icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys);
160 icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL;
2e0fef85 161 icmd->un.elsreq64.remoteID = did; /* DID */
dea3101e 162 if (expectRsp) {
92d7f7b0 163 icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64));
dea3101e 164 icmd->ulpCommand = CMD_ELS_REQUEST64_CR;
2680eeaa 165 icmd->ulpTimeout = phba->fc_ratov * 2;
dea3101e 166 } else {
92d7f7b0 167 icmd->un.elsreq64.bdl.bdeSize = sizeof(struct ulp_bde64);
dea3101e 168 icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX;
169 }
dea3101e 170 icmd->ulpBdeCount = 1;
171 icmd->ulpLe = 1;
172 icmd->ulpClass = CLASS3;
173
92d7f7b0
JS		 174 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
175 icmd->un.elsreq64.myID = vport->fc_myDID;
176
177 /* For ELS_REQUEST64_CR, use the VPI by default */
178 icmd->ulpContext = vport->vpi;
179 icmd->ulpCt_h = 0;
180 icmd->ulpCt_l = 1;
181 }
182
dea3101e 183 bpl = (struct ulp_bde64 *) pbuflist->virt;
184 bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys));
185 bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys));
186 bpl->tus.f.bdeSize = cmdSize;
187 bpl->tus.f.bdeFlags = 0;
188 bpl->tus.w = le32_to_cpu(bpl->tus.w);
189
190 if (expectRsp) {
191 bpl++;
192 bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys));
193 bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys));
194 bpl->tus.f.bdeSize = FCELSSIZE;
195 bpl->tus.f.bdeFlags = BUFF_USE_RCV;
196 bpl->tus.w = le32_to_cpu(bpl->tus.w);
197 }
198
199 /* Save for completion so we can release these resources */
92d7f7b0
JS		 200 if (elscmd != ELS_CMD_LS_RJT)
201 elsiocb->context1 = lpfc_nlp_get(ndlp);
329f9bc7
JS		 202 elsiocb->context2 = pcmd;
203 elsiocb->context3 = pbuflist;
dea3101e 204 elsiocb->retry = retry;
2e0fef85 205 elsiocb->vport = vport;
dea3101e 206 elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT;
207
208 if (prsp) {
209 list_add(&prsp->list, &pcmd->list);
210 }
211
212 if (expectRsp) {
213 /* Xmit ELS command <elsCmd> to remote NPORT <did> */
214 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 215 "%d (%d):0116 Xmit ELS command x%x to remote "
2e0fef85 216 "NPORT x%x I/O tag: x%x, port state: x%x\n",
92d7f7b0 217 phba->brd_no, vport->vpi, elscmd, did,
2e0fef85 218 elsiocb->iotag, vport->port_state);
dea3101e 219 } else {
220 /* Xmit ELS response <elsCmd> to remote NPORT <did> */
221 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 222 "%d (%d):0117 Xmit ELS response x%x to remote "
1dcb58e5 223 "NPORT x%x I/O tag: x%x, size: x%x\n",
92d7f7b0 224 phba->brd_no, vport->vpi, elscmd,
1dcb58e5 225 ndlp->nlp_DID, elsiocb->iotag, cmdSize);
dea3101e 226 }
227
c9f8735b 228 return elsiocb;
dea3101e 229}
230
231
232static int
92d7f7b0 233lpfc_issue_fabric_reglogin(struct lpfc_vport *vport)
dea3101e 234{
2e0fef85 235 struct lpfc_hba *phba = vport->phba;
dea3101e 236 LPFC_MBOXQ_t *mbox;
14691150 237 struct lpfc_dmabuf *mp;
92d7f7b0
JS		 238 struct lpfc_nodelist *ndlp;
239 struct serv_parm *sp;
dea3101e 240 int rc;
241
92d7f7b0
JS		 242 sp = &phba->fc_fabparam;
243 ndlp = lpfc_findnode_did(vport, Fabric_DID);
244 if (!ndlp)
245 goto fail;
246
247 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
248 if (!mbox)
249 goto fail;
250
251 vport->port_state = LPFC_FABRIC_CFG_LINK;
252 lpfc_config_link(phba, mbox);
253 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
254 mbox->vport = vport;
255
256 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB);
257 if (rc == MBX_NOT_FINISHED)
258 goto fail_free_mbox;
259
260 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
261 if (!mbox)
262 goto fail;
263 rc = lpfc_reg_login(phba, vport->vpi, Fabric_DID, (uint8_t *)sp, mbox,
264 0);
265 if (rc)
266 goto fail_free_mbox;
267
268 mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login;
269 mbox->vport = vport;
270 mbox->context2 = lpfc_nlp_get(ndlp);
271
272 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB);
273 if (rc == MBX_NOT_FINISHED)
274 goto fail_issue_reg_login;
275
276 return 0;
277
278fail_issue_reg_login:
279 lpfc_nlp_put(ndlp);
280 mp = (struct lpfc_dmabuf *) mbox->context1;
281 lpfc_mbuf_free(phba, mp->virt, mp->phys);
282 kfree(mp);
283fail_free_mbox:
284 mempool_free(mbox, phba->mbox_mem_pool);
285
286fail:
287 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
288 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
289 "%d (%d):0249 Cannot issue Register Fabric login\n",
290 phba->brd_no, vport->vpi);
291 return -ENXIO;
292}
293
294static int
295lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
296 struct serv_parm *sp, IOCB_t *irsp)
297{
298 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
299 struct lpfc_hba *phba = vport->phba;
300 struct lpfc_nodelist *np;
301 struct lpfc_nodelist *next_np;
302
2e0fef85
JS		 303 spin_lock_irq(shost->host_lock);
304 vport->fc_flag |= FC_FABRIC;
305 spin_unlock_irq(shost->host_lock);
dea3101e 306
307 phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov);
308 if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */
309 phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000;
310
311 phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000;
312
313 if (phba->fc_topology == TOPOLOGY_LOOP) {
2e0fef85
JS		 314 spin_lock_irq(shost->host_lock);
315 vport->fc_flag |= FC_PUBLIC_LOOP;
316 spin_unlock_irq(shost->host_lock);
dea3101e 317 } else {
318 /*
319 * If we are a N-port connected to a Fabric, fixup sparam's so
320 * logins to devices on remote loops work.
321 */
2e0fef85 322 vport->fc_sparam.cmn.altBbCredit = 1;
dea3101e 323 }
324
2e0fef85 325 vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID;
dea3101e 326 memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name));
92d7f7b0 327 memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof(struct lpfc_name));
dea3101e 328 ndlp->nlp_class_sup = 0;
329 if (sp->cls1.classValid)
330 ndlp->nlp_class_sup |= FC_COS_CLASS1;
331 if (sp->cls2.classValid)
332 ndlp->nlp_class_sup |= FC_COS_CLASS2;
333 if (sp->cls3.classValid)
334 ndlp->nlp_class_sup |= FC_COS_CLASS3;
335 if (sp->cls4.classValid)
336 ndlp->nlp_class_sup |= FC_COS_CLASS4;
337 ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
338 sp->cmn.bbRcvSizeLsb;
339 memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm));
340
92d7f7b0
JS		 341 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
342 if (sp->cmn.response_multiple_NPort) {
343 lpfc_printf_log(phba, KERN_WARNING, LOG_ELS | LOG_VPORT,
344 "%d:1816 FLOGI NPIV supported, "
345 "response data 0x%x\n",
346 phba->brd_no,
347 sp->cmn.response_multiple_NPort);
348 phba->link_flag |= LS_NPIV_FAB_SUPPORTED;
dea3101e 349
92d7f7b0
JS		 350 } else {
351 /* Because we asked f/w for NPIV it still expects us
352 to call reg_vnpid atleast for the physcial host */
353 lpfc_printf_log(phba, KERN_WARNING, LOG_ELS | LOG_VPORT,
354 "%d:1817 Fabric does not support NPIV "
355 "- configuring single port mode.\n",
356 phba->brd_no);
92d7f7b0
JS		 357 phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED;
358 }
359 }
dea3101e 360
92d7f7b0
JS		 361 if ((vport->fc_prevDID != vport->fc_myDID) &&
362 !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) {
dea3101e 363
92d7f7b0
JS		 364 /* If our NportID changed, we need to ensure all
365 * remaining NPORTs get unreg_login'ed.
366 */
367 list_for_each_entry_safe(np, next_np,
368 &vport->fc_nodes, nlp_listp) {
369 if ((np->nlp_state != NLP_STE_NPR_NODE) ||
370 !(np->nlp_flag & NLP_NPR_ADISC))
371 continue;
372 spin_lock_irq(shost->host_lock);
373 np->nlp_flag &= ~NLP_NPR_ADISC;
374 spin_unlock_irq(shost->host_lock);
375 lpfc_unreg_rpi(vport, np);
376 }
377 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
378 lpfc_mbx_unreg_vpi(vport);
379 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
380 }
381 }
dea3101e 382
92d7f7b0
JS		 383 ndlp->nlp_sid = irsp->un.ulpWord[4] & Mask_DID;
384 lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE);
dea3101e 385
92d7f7b0
JS		 386 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED &&
387 vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) {
388 lpfc_register_new_vport(phba, vport, ndlp);
389 return 0;
390 }
391 lpfc_issue_fabric_reglogin(vport);
dea3101e 392 return 0;
dea3101e 393}
394
395/*
396 * We FLOGIed into an NPort, initiate pt2pt protocol
397 */
398static int
2e0fef85
JS		 399lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
400 struct serv_parm *sp)
dea3101e 401{
2e0fef85
JS		 402 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
403 struct lpfc_hba *phba = vport->phba;
dea3101e 404 LPFC_MBOXQ_t *mbox;
405 int rc;
406
2e0fef85
JS		 407 spin_lock_irq(shost->host_lock);
408 vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
409 spin_unlock_irq(shost->host_lock);
dea3101e 410
411 phba->fc_edtov = FF_DEF_EDTOV;
412 phba->fc_ratov = FF_DEF_RATOV;
2e0fef85 413 rc = memcmp(&vport->fc_portname, &sp->portName,
92d7f7b0 414 sizeof(vport->fc_portname));
dea3101e 415 if (rc >= 0) {
416 /* This side will initiate the PLOGI */
2e0fef85
JS		 417 spin_lock_irq(shost->host_lock);
418 vport->fc_flag |= FC_PT2PT_PLOGI;
419 spin_unlock_irq(shost->host_lock);
dea3101e 420
421 /*
422 * N_Port ID cannot be 0, set our to LocalID the other
423 * side will be RemoteID.
424 */
425
426 /* not equal */
427 if (rc)
2e0fef85 428 vport->fc_myDID = PT2PT_LocalID;
dea3101e 429
430 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
431 if (!mbox)
432 goto fail;
433
434 lpfc_config_link(phba, mbox);
435
436 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
ed957684 437 mbox->vport = vport;
dea3101e 438 rc = lpfc_sli_issue_mbox(phba, mbox,
92d7f7b0 439 MBX_NOWAIT | MBX_STOP_IOCB);
dea3101e 440 if (rc == MBX_NOT_FINISHED) {
441 mempool_free(mbox, phba->mbox_mem_pool);
442 goto fail;
443 }
329f9bc7 444 lpfc_nlp_put(ndlp);
dea3101e 445
2e0fef85 446 ndlp = lpfc_findnode_did(vport, PT2PT_RemoteID);
dea3101e 447 if (!ndlp) {
448 /*
449 * Cannot find existing Fabric ndlp, so allocate a
450 * new one
451 */
452 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
453 if (!ndlp)
454 goto fail;
455
2e0fef85 456 lpfc_nlp_init(vport, ndlp, PT2PT_RemoteID);
dea3101e 457 }
458
459 memcpy(&ndlp->nlp_portname, &sp->portName,
2e0fef85 460 sizeof(struct lpfc_name));
dea3101e 461 memcpy(&ndlp->nlp_nodename, &sp->nodeName,
2e0fef85
JS		 462 sizeof(struct lpfc_name));
463 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
464 spin_lock_irq(shost->host_lock);
dea3101e 465 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
2e0fef85 466 spin_unlock_irq(shost->host_lock);
dea3101e 467 } else {
468 /* This side will wait for the PLOGI */
329f9bc7 469 lpfc_nlp_put(ndlp);
dea3101e 470 }
471
2e0fef85
JS		 472 spin_lock_irq(shost->host_lock);
473 vport->fc_flag |= FC_PT2PT;
474 spin_unlock_irq(shost->host_lock);
dea3101e 475
476 /* Start discovery - this should just do CLEAR_LA */
2e0fef85 477 lpfc_disc_start(vport);
dea3101e 478 return 0;
92d7f7b0 479fail:
dea3101e 480 return -ENXIO;
481}
482
483static void
329f9bc7
JS		 484lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
485 struct lpfc_iocbq *rspiocb)
dea3101e 486{
2e0fef85
JS		 487 struct lpfc_vport *vport = cmdiocb->vport;
488 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
dea3101e 489 IOCB_t *irsp = &rspiocb->iocb;
490 struct lpfc_nodelist *ndlp = cmdiocb->context1;
491 struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp;
492 struct serv_parm *sp;
493 int rc;
494
495 /* Check to see if link went down during discovery */
2e0fef85 496 if (lpfc_els_chk_latt(vport)) {
329f9bc7 497 lpfc_nlp_put(ndlp);
dea3101e 498 goto out;
499 }
500
858c9f6c
JS		 501 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
502 "FLOGI cmpl: status:x%x/x%x state:x%x",
503 irsp->ulpStatus, irsp->un.ulpWord[4],
504 vport->port_state);
505
dea3101e 506 if (irsp->ulpStatus) {
507 /* Check for retry */
2e0fef85 508 if (lpfc_els_retry(phba, cmdiocb, rspiocb))
dea3101e 509 goto out;
2e0fef85 510
dea3101e 511 /* FLOGI failed, so there is no fabric */
2e0fef85
JS		 512 spin_lock_irq(shost->host_lock);
513 vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
514 spin_unlock_irq(shost->host_lock);
dea3101e 515
329f9bc7 516 /* If private loop, then allow max outstanding els to be
dea3101e 517 * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no
518 * alpa map would take too long otherwise.
519 */
520 if (phba->alpa_map[0] == 0) {
329f9bc7 521 phba->cfg_discovery_threads = LPFC_MAX_DISC_THREADS;
dea3101e 522 }
523
524 /* FLOGI failure */
92d7f7b0
JS		 525 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
526 "%d (%d):0100 FLOGI failure Data: x%x x%x "
527 "x%x\n",
528 phba->brd_no, vport->vpi,
c9f8735b
JW		 529 irsp->ulpStatus, irsp->un.ulpWord[4],
530 irsp->ulpTimeout);
dea3101e 531 goto flogifail;
532 }
533
534 /*
535 * The FLogI succeeded. Sync the data for the CPU before
536 * accessing it.
537 */
538 prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list);
539
540 sp = prsp->virt + sizeof(uint32_t);
541
542 /* FLOGI completes successfully */
543 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 544 "%d (%d):0101 FLOGI completes sucessfully "
dea3101e 545 "Data: x%x x%x x%x x%x\n",
92d7f7b0 546 phba->brd_no, vport->vpi,
dea3101e 547 irsp->un.ulpWord[4], sp->cmn.e_d_tov,
548 sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution);
549
2e0fef85 550 if (vport->port_state == LPFC_FLOGI) {
dea3101e 551 /*
552 * If Common Service Parameters indicate Nport
553 * we are point to point, if Fport we are Fabric.
554 */
555 if (sp->cmn.fPort)
2e0fef85 556 rc = lpfc_cmpl_els_flogi_fabric(vport, ndlp, sp, irsp);
dea3101e 557 else
2e0fef85 558 rc = lpfc_cmpl_els_flogi_nport(vport, ndlp, sp);
dea3101e 559
560 if (!rc)
561 goto out;
562 }
563
564flogifail:
329f9bc7 565 lpfc_nlp_put(ndlp);
dea3101e 566
858c9f6c 567 if (!lpfc_error_lost_link(irsp)) {
dea3101e 568 /* FLOGI failed, so just use loop map to make discovery list */
2e0fef85 569 lpfc_disc_list_loopmap(vport);
dea3101e 570
571 /* Start discovery */
2e0fef85 572 lpfc_disc_start(vport);
dea3101e 573 }
574
575out:
576 lpfc_els_free_iocb(phba, cmdiocb);
577}
578
579static int
2e0fef85 580lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
dea3101e 581 uint8_t retry)
582{
2e0fef85 583 struct lpfc_hba *phba = vport->phba;
dea3101e 584 struct serv_parm *sp;
585 IOCB_t *icmd;
586 struct lpfc_iocbq *elsiocb;
587 struct lpfc_sli_ring *pring;
588 uint8_t *pcmd;
589 uint16_t cmdsize;
590 uint32_t tmo;
591 int rc;
592
593 pring = &phba->sli.ring[LPFC_ELS_RING];
594
92d7f7b0 595 cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm));
2e0fef85
JS		 596 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
597 ndlp->nlp_DID, ELS_CMD_FLOGI);
92d7f7b0 598
488d1469 599 if (!elsiocb)
c9f8735b 600 return 1;
dea3101e 601
602 icmd = &elsiocb->iocb;
603 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
604
605 /* For FLOGI request, remainder of payload is service parameters */
606 *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI;
92d7f7b0
JS		 607 pcmd += sizeof(uint32_t);
608 memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm));
dea3101e 609 sp = (struct serv_parm *) pcmd;
610
611 /* Setup CSPs accordingly for Fabric */
612 sp->cmn.e_d_tov = 0;
613 sp->cmn.w2.r_a_tov = 0;
614 sp->cls1.classValid = 0;
615 sp->cls2.seqDelivery = 1;
616 sp->cls3.seqDelivery = 1;
617 if (sp->cmn.fcphLow < FC_PH3)
618 sp->cmn.fcphLow = FC_PH3;
619 if (sp->cmn.fcphHigh < FC_PH3)
620 sp->cmn.fcphHigh = FC_PH3;
621
92d7f7b0
JS		 622 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
623 sp->cmn.request_multiple_Nport = 1;
624
625 /* For FLOGI, Let FLOGI rsp set the NPortID for VPI 0 */
626 icmd->ulpCt_h = 1;
627 icmd->ulpCt_l = 0;
628 }
629
858c9f6c
JS		 630 if (phba->fc_topology != TOPOLOGY_LOOP) {
631 icmd->un.elsreq64.myID = 0;
632 icmd->un.elsreq64.fl = 1;
633 }
634
dea3101e 635 tmo = phba->fc_ratov;
636 phba->fc_ratov = LPFC_DISC_FLOGI_TMO;
2e0fef85 637 lpfc_set_disctmo(vport);
dea3101e 638 phba->fc_ratov = tmo;
639
640 phba->fc_stat.elsXmitFLOGI++;
641 elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi;
858c9f6c
JS		 642
643 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
644 "Issue FLOGI: opt:x%x",
645 phba->sli3_options, 0, 0);
646
92d7f7b0 647 rc = lpfc_issue_fabric_iocb(phba, elsiocb);
dea3101e 648 if (rc == IOCB_ERROR) {
649 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 650 return 1;
dea3101e 651 }
c9f8735b 652 return 0;
dea3101e 653}
654
655int
2e0fef85 656lpfc_els_abort_flogi(struct lpfc_hba *phba)
dea3101e 657{
658 struct lpfc_sli_ring *pring;
659 struct lpfc_iocbq *iocb, *next_iocb;
660 struct lpfc_nodelist *ndlp;
661 IOCB_t *icmd;
662
663 /* Abort outstanding I/O on NPort <nlp_DID> */
664 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
665 "%d:0201 Abort outstanding I/O on NPort x%x\n",
666 phba->brd_no, Fabric_DID);
667
668 pring = &phba->sli.ring[LPFC_ELS_RING];
669
670 /*
671 * Check the txcmplq for an iocb that matches the nport the driver is
672 * searching for.
673 */
2e0fef85 674 spin_lock_irq(&phba->hbalock);
dea3101e 675 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
676 icmd = &iocb->iocb;
2e0fef85
JS		 677 if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR &&
678 icmd->un.elsreq64.bdl.ulpIoTag32) {
dea3101e 679 ndlp = (struct lpfc_nodelist *)(iocb->context1);
92d7f7b0 680 if (ndlp && (ndlp->nlp_DID == Fabric_DID)) {
07951076 681 lpfc_sli_issue_abort_iotag(phba, pring, iocb);
92d7f7b0 682 }
dea3101e 683 }
684 }
2e0fef85 685 spin_unlock_irq(&phba->hbalock);
dea3101e 686
687 return 0;
688}
689
690int
2e0fef85 691lpfc_initial_flogi(struct lpfc_vport *vport)
dea3101e 692{
2e0fef85 693 struct lpfc_hba *phba = vport->phba;
dea3101e 694 struct lpfc_nodelist *ndlp;
695
c9f8735b 696 /* First look for the Fabric ndlp */
2e0fef85 697 ndlp = lpfc_findnode_did(vport, Fabric_DID);
c9f8735b 698 if (!ndlp) {
dea3101e 699 /* Cannot find existing Fabric ndlp, so allocate a new one */
c9f8735b
JW		 700 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
701 if (!ndlp)
702 return 0;
2e0fef85 703 lpfc_nlp_init(vport, ndlp, Fabric_DID);
c9f8735b 704 } else {
2e0fef85 705 lpfc_dequeue_node(vport, ndlp);
dea3101e 706 }
2e0fef85 707 if (lpfc_issue_els_flogi(vport, ndlp, 0)) {
329f9bc7 708 lpfc_nlp_put(ndlp);
dea3101e 709 }
c9f8735b 710 return 1;
dea3101e 711}
712
92d7f7b0
JS		 713int
714lpfc_initial_fdisc(struct lpfc_vport *vport)
715{
716 struct lpfc_hba *phba = vport->phba;
717 struct lpfc_nodelist *ndlp;
718
719 /* First look for the Fabric ndlp */
720 ndlp = lpfc_findnode_did(vport, Fabric_DID);
721 if (!ndlp) {
722 /* Cannot find existing Fabric ndlp, so allocate a new one */
723 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
724 if (!ndlp)
725 return 0;
726 lpfc_nlp_init(vport, ndlp, Fabric_DID);
727 } else {
728 lpfc_dequeue_node(vport, ndlp);
729 }
730 if (lpfc_issue_els_fdisc(vport, ndlp, 0)) {
731 lpfc_nlp_put(ndlp);
732 }
733 return 1;
734}
dea3101e 735static void
2e0fef85 736lpfc_more_plogi(struct lpfc_vport *vport)
dea3101e 737{
738 int sentplogi;
2e0fef85 739 struct lpfc_hba *phba = vport->phba;
dea3101e 740
2e0fef85
JS		 741 if (vport->num_disc_nodes)
742 vport->num_disc_nodes--;
dea3101e 743
744 /* Continue discovery with <num_disc_nodes> PLOGIs to go */
745 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
92d7f7b0 746 "%d (%d):0232 Continue discovery with %d PLOGIs to go "
dea3101e 747 "Data: x%x x%x x%x\n",
92d7f7b0 748 phba->brd_no, vport->vpi, vport->num_disc_nodes,
2e0fef85 749 vport->fc_plogi_cnt, vport->fc_flag, vport->port_state);
dea3101e 750
751 /* Check to see if there are more PLOGIs to be sent */
2e0fef85
JS		 752 if (vport->fc_flag & FC_NLP_MORE)
753 /* go thru NPR nodes and issue any remaining ELS PLOGIs */
754 sentplogi = lpfc_els_disc_plogi(vport);
755
dea3101e 756 return;
757}
758
488d1469 759static struct lpfc_nodelist *
92d7f7b0 760lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
488d1469
JS		 761 struct lpfc_nodelist *ndlp)
762{
2e0fef85 763 struct lpfc_vport *vport = ndlp->vport;
488d1469 764 struct lpfc_nodelist *new_ndlp;
488d1469 765 struct serv_parm *sp;
92d7f7b0 766 uint8_t name[sizeof(struct lpfc_name)];
488d1469
JS		 767 uint32_t rc;
768
2fb9bd8b
JS		 769 /* Fabric nodes can have the same WWPN so we don't bother searching
770 * by WWPN. Just return the ndlp that was given to us.
771 */
772 if (ndlp->nlp_type & NLP_FABRIC)
773 return ndlp;
774
92d7f7b0 775 sp = (struct serv_parm *) ((uint8_t *) prsp + sizeof(uint32_t));
685f0bf7 776 memset(name, 0, sizeof(struct lpfc_name));
488d1469 777
685f0bf7 778 /* Now we find out if the NPort we are logging into, matches the WWPN
488d1469
JS		 779 * we have for that ndlp. If not, we have some work to do.
780 */
2e0fef85 781 new_ndlp = lpfc_findnode_wwpn(vport, &sp->portName);
488d1469 782
92795650 783 if (new_ndlp == ndlp)
488d1469 784 return ndlp;
488d1469
JS		 785
786 if (!new_ndlp) {
2e0fef85
JS		 787 rc = memcmp(&ndlp->nlp_portname, name,
788 sizeof(struct lpfc_name));
92795650
JS		 789 if (!rc)
790 return ndlp;
488d1469
JS		 791 new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC);
792 if (!new_ndlp)
793 return ndlp;
794
2e0fef85 795 lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID);
488d1469
JS		 796 }
797
2e0fef85 798 lpfc_unreg_rpi(vport, new_ndlp);
488d1469 799 new_ndlp->nlp_DID = ndlp->nlp_DID;
92795650 800 new_ndlp->nlp_prev_state = ndlp->nlp_prev_state;
2e0fef85 801 lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state);
488d1469 802
2e0fef85 803 /* Move this back to NPR state */
de0c5b32 804 if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0)
2e0fef85 805 lpfc_drop_node(vport, ndlp);
92795650 806 else {
2e0fef85 807 lpfc_unreg_rpi(vport, ndlp);
92795650 808 ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */
2e0fef85 809 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
92795650 810 }
488d1469
JS		 811 return new_ndlp;
812}
813
dea3101e 814static void
2e0fef85
JS		 815lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
816 struct lpfc_iocbq *rspiocb)
dea3101e 817{
2e0fef85
JS		 818 struct lpfc_vport *vport = cmdiocb->vport;
819 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
dea3101e 820 IOCB_t *irsp;
dea3101e 821 struct lpfc_nodelist *ndlp;
92795650 822 struct lpfc_dmabuf *prsp;
dea3101e 823 int disc, rc, did, type;
824
dea3101e 825 /* we pass cmdiocb to state machine which needs rspiocb as well */
826 cmdiocb->context_un.rsp_iocb = rspiocb;
827
828 irsp = &rspiocb->iocb;
858c9f6c
JS		 829 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
830 "PLOGI cmpl: status:x%x/x%x did:x%x",
831 irsp->ulpStatus, irsp->un.ulpWord[4],
832 irsp->un.elsreq64.remoteID);
833
2e0fef85 834 ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID);
ed957684 835 if (!ndlp) {
92d7f7b0
JS		 836 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
837 "%d (%d):0136 PLOGI completes to NPort x%x "
838 "with no ndlp. Data: x%x x%x x%x\n",
839 phba->brd_no, vport->vpi, irsp->un.elsreq64.remoteID,
840 irsp->ulpStatus, irsp->un.ulpWord[4], irsp->ulpIoTag);
488d1469 841 goto out;
ed957684 842 }
dea3101e 843
844 /* Since ndlp can be freed in the disc state machine, note if this node
845 * is being used during discovery.
846 */
2e0fef85 847 spin_lock_irq(shost->host_lock);
dea3101e 848 disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC);
488d1469 849 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
2e0fef85 850 spin_unlock_irq(shost->host_lock);
dea3101e 851 rc = 0;
852
853 /* PLOGI completes to NPort <nlp_DID> */
854 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 855 "%d (%d):0102 PLOGI completes to NPort x%x "
c9f8735b 856 "Data: x%x x%x x%x x%x x%x\n",
92d7f7b0
JS		 857 phba->brd_no, vport->vpi, ndlp->nlp_DID,
858 irsp->ulpStatus, irsp->un.ulpWord[4],
859 irsp->ulpTimeout, disc, vport->num_disc_nodes);
dea3101e 860
861 /* Check to see if link went down during discovery */
2e0fef85
JS		 862 if (lpfc_els_chk_latt(vport)) {
863 spin_lock_irq(shost->host_lock);
dea3101e 864 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
2e0fef85 865 spin_unlock_irq(shost->host_lock);
dea3101e 866 goto out;
867 }
868
869 /* ndlp could be freed in DSM, save these values now */
870 type = ndlp->nlp_type;
871 did = ndlp->nlp_DID;
872
873 if (irsp->ulpStatus) {
874 /* Check for retry */
875 if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
876 /* ELS command is being retried */
877 if (disc) {
2e0fef85 878 spin_lock_irq(shost->host_lock);
dea3101e 879 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
2e0fef85 880 spin_unlock_irq(shost->host_lock);
dea3101e 881 }
882 goto out;
883 }
884
885 /* PLOGI failed */
92d7f7b0
JS		 886 if (ndlp->nlp_DID == NameServer_DID) {
887 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
888 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
889 "%d (%d):0250 Nameserver login error: "
890 "0x%x / 0x%x\n",
891 phba->brd_no, vport->vpi,
892 irsp->ulpStatus, irsp->un.ulpWord[4]);
893 }
894
dea3101e 895 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
858c9f6c 896 if (lpfc_error_lost_link(irsp)) {
c9f8735b 897 rc = NLP_STE_FREED_NODE;
2fe165b6 898 } else {
2e0fef85 899 rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb,
92d7f7b0 900 NLP_EVT_CMPL_PLOGI);
dea3101e 901 }
902 } else {
903 /* Good status, call state machine */
92795650 904 prsp = list_entry(((struct lpfc_dmabuf *)
92d7f7b0
JS		 905 cmdiocb->context2)->list.next,
906 struct lpfc_dmabuf, list);
907 ndlp = lpfc_plogi_confirm_nport(phba, prsp->virt, ndlp);
2e0fef85 908 rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb,
92d7f7b0 909 NLP_EVT_CMPL_PLOGI);
dea3101e 910 }
911
2e0fef85 912 if (disc && vport->num_disc_nodes) {
dea3101e 913 /* Check to see if there are more PLOGIs to be sent */
2e0fef85 914 lpfc_more_plogi(vport);
dea3101e 915
2e0fef85
JS		 916 if (vport->num_disc_nodes == 0) {
917 spin_lock_irq(shost->host_lock);
918 vport->fc_flag &= ~FC_NDISC_ACTIVE;
919 spin_unlock_irq(shost->host_lock);
dea3101e 920
2e0fef85
JS		 921 lpfc_can_disctmo(vport);
922 if (vport->fc_flag & FC_RSCN_MODE) {
10d4e957
JS		 923 /*
924 * Check to see if more RSCNs came in while
925 * we were processing this one.
926 */
2e0fef85
JS		 927 if ((vport->fc_rscn_id_cnt == 0) &&
928 (!(vport->fc_flag & FC_RSCN_DISCOVERY))) {
929 spin_lock_irq(shost->host_lock);
930 vport->fc_flag &= ~FC_RSCN_MODE;
931 spin_unlock_irq(shost->host_lock);
10d4e957 932 } else {
2e0fef85 933 lpfc_els_handle_rscn(vport);
10d4e957 934 }
dea3101e 935 }
936 }
937 }
938
939out:
940 lpfc_els_free_iocb(phba, cmdiocb);
941 return;
942}
943
944int
2e0fef85 945lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
dea3101e 946{
2e0fef85 947 struct lpfc_hba *phba = vport->phba;
dea3101e 948 struct serv_parm *sp;
949 IOCB_t *icmd;
950 struct lpfc_iocbq *elsiocb;
951 struct lpfc_sli_ring *pring;
952 struct lpfc_sli *psli;
953 uint8_t *pcmd;
954 uint16_t cmdsize;
92d7f7b0 955 int ret;
dea3101e 956
957 psli = &phba->sli;
958 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
959
92d7f7b0 960 cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm));
2e0fef85
JS		 961 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, NULL, did,
962 ELS_CMD_PLOGI);
c9f8735b
JW		 963 if (!elsiocb)
964 return 1;
dea3101e 965
966 icmd = &elsiocb->iocb;
967 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
968
969 /* For PLOGI request, remainder of payload is service parameters */
970 *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI;
92d7f7b0
JS		 971 pcmd += sizeof(uint32_t);
972 memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm));
dea3101e 973 sp = (struct serv_parm *) pcmd;
974
975 if (sp->cmn.fcphLow < FC_PH_4_3)
976 sp->cmn.fcphLow = FC_PH_4_3;
977
978 if (sp->cmn.fcphHigh < FC_PH3)
979 sp->cmn.fcphHigh = FC_PH3;
980
858c9f6c
JS		 981 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
982 "Issue PLOGI: did:x%x",
983 did, 0, 0);
984
dea3101e 985 phba->fc_stat.elsXmitPLOGI++;
986 elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi;
92d7f7b0
JS		 987 ret = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
988
989 if (ret == IOCB_ERROR) {
dea3101e 990 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 991 return 1;
dea3101e 992 }
c9f8735b 993 return 0;
dea3101e 994}
995
996static void
2e0fef85
JS		 997lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
998 struct lpfc_iocbq *rspiocb)
dea3101e 999{
2e0fef85
JS		 1000 struct lpfc_vport *vport = cmdiocb->vport;
1001 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
dea3101e 1002 IOCB_t *irsp;
1003 struct lpfc_sli *psli;
1004 struct lpfc_nodelist *ndlp;
1005
1006 psli = &phba->sli;
1007 /* we pass cmdiocb to state machine which needs rspiocb as well */
1008 cmdiocb->context_un.rsp_iocb = rspiocb;
1009
1010 irsp = &(rspiocb->iocb);
1011 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
2e0fef85 1012 spin_lock_irq(shost->host_lock);
dea3101e 1013 ndlp->nlp_flag &= ~NLP_PRLI_SND;
2e0fef85 1014 spin_unlock_irq(shost->host_lock);
dea3101e 1015
858c9f6c
JS		 1016 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
1017 "PRLI cmpl: status:x%x/x%x did:x%x",
1018 irsp->ulpStatus, irsp->un.ulpWord[4],
1019 ndlp->nlp_DID);
1020
dea3101e 1021 /* PRLI completes to NPort <nlp_DID> */
1022 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 1023 "%d (%d):0103 PRLI completes to NPort x%x "
c9f8735b 1024 "Data: x%x x%x x%x x%x\n",
92d7f7b0
JS		 1025 phba->brd_no, vport->vpi, ndlp->nlp_DID,
1026 irsp->ulpStatus, irsp->un.ulpWord[4], irsp->ulpTimeout,
2e0fef85 1027 vport->num_disc_nodes);
dea3101e 1028
2e0fef85 1029 vport->fc_prli_sent--;
dea3101e 1030 /* Check to see if link went down during discovery */
2e0fef85 1031 if (lpfc_els_chk_latt(vport))
dea3101e 1032 goto out;
1033
1034 if (irsp->ulpStatus) {
1035 /* Check for retry */
1036 if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
1037 /* ELS command is being retried */
1038 goto out;
1039 }
1040 /* PRLI failed */
1041 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
858c9f6c 1042 if (lpfc_error_lost_link(irsp)) {
dea3101e 1043 goto out;
2fe165b6 1044 } else {
2e0fef85 1045 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
92d7f7b0 1046 NLP_EVT_CMPL_PRLI);
dea3101e 1047 }
1048 } else {
1049 /* Good status, call state machine */
2e0fef85 1050 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
92d7f7b0 1051 NLP_EVT_CMPL_PRLI);
dea3101e 1052 }
1053
1054out:
1055 lpfc_els_free_iocb(phba, cmdiocb);
1056 return;
1057}
1058
1059int
2e0fef85 1060lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
dea3101e 1061 uint8_t retry)
1062{
2e0fef85
JS		 1063 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1064 struct lpfc_hba *phba = vport->phba;
dea3101e 1065 PRLI *npr;
1066 IOCB_t *icmd;
1067 struct lpfc_iocbq *elsiocb;
1068 struct lpfc_sli_ring *pring;
1069 struct lpfc_sli *psli;
1070 uint8_t *pcmd;
1071 uint16_t cmdsize;
1072
1073 psli = &phba->sli;
1074 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1075
92d7f7b0 1076 cmdsize = (sizeof(uint32_t) + sizeof(PRLI));
2e0fef85
JS		 1077 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
1078 ndlp->nlp_DID, ELS_CMD_PRLI);
488d1469 1079 if (!elsiocb)
c9f8735b 1080 return 1;
dea3101e 1081
1082 icmd = &elsiocb->iocb;
1083 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1084
1085 /* For PRLI request, remainder of payload is service parameters */
92d7f7b0 1086 memset(pcmd, 0, (sizeof(PRLI) + sizeof(uint32_t)));
dea3101e 1087 *((uint32_t *) (pcmd)) = ELS_CMD_PRLI;
92d7f7b0 1088 pcmd += sizeof(uint32_t);
dea3101e 1089
1090 /* For PRLI, remainder of payload is PRLI parameter page */
1091 npr = (PRLI *) pcmd;
1092 /*
1093 * If our firmware version is 3.20 or later,
1094 * set the following bits for FC-TAPE support.
1095 */
1096 if (phba->vpd.rev.feaLevelHigh >= 0x02) {
1097 npr->ConfmComplAllowed = 1;
1098 npr->Retry = 1;
1099 npr->TaskRetryIdReq = 1;
1100 }
1101 npr->estabImagePair = 1;
1102 npr->readXferRdyDis = 1;
1103
1104 /* For FCP support */
1105 npr->prliType = PRLI_FCP_TYPE;
1106 npr->initiatorFunc = 1;
1107
858c9f6c
JS		 1108 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
1109 "Issue PRLI: did:x%x",
1110 ndlp->nlp_DID, 0, 0);
1111
dea3101e 1112 phba->fc_stat.elsXmitPRLI++;
1113 elsiocb->iocb_cmpl = lpfc_cmpl_els_prli;
2e0fef85 1114 spin_lock_irq(shost->host_lock);
dea3101e 1115 ndlp->nlp_flag |= NLP_PRLI_SND;
2e0fef85 1116 spin_unlock_irq(shost->host_lock);
dea3101e 1117 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
2e0fef85 1118 spin_lock_irq(shost->host_lock);
dea3101e 1119 ndlp->nlp_flag &= ~NLP_PRLI_SND;
2e0fef85 1120 spin_unlock_irq(shost->host_lock);
dea3101e 1121 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 1122 return 1;
dea3101e 1123 }
2e0fef85 1124 vport->fc_prli_sent++;
c9f8735b 1125 return 0;
dea3101e 1126}
1127
1128static void
2e0fef85 1129lpfc_more_adisc(struct lpfc_vport *vport)
dea3101e 1130{
1131 int sentadisc;
2e0fef85 1132 struct lpfc_hba *phba = vport->phba;
dea3101e 1133
2e0fef85
JS		 1134 if (vport->num_disc_nodes)
1135 vport->num_disc_nodes--;
dea3101e 1136
1137 /* Continue discovery with <num_disc_nodes> ADISCs to go */
1138 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
92d7f7b0 1139 "%d (%d):0210 Continue discovery with %d ADISCs to go "
dea3101e 1140 "Data: x%x x%x x%x\n",
92d7f7b0 1141 phba->brd_no, vport->vpi, vport->num_disc_nodes,
2e0fef85 1142 vport->fc_adisc_cnt, vport->fc_flag, vport->port_state);
dea3101e 1143
1144 /* Check to see if there are more ADISCs to be sent */
2e0fef85
JS		 1145 if (vport->fc_flag & FC_NLP_MORE) {
1146 lpfc_set_disctmo(vport);
1147 /* go thru NPR nodes and issue any remaining ELS ADISCs */
1148 sentadisc = lpfc_els_disc_adisc(vport);
dea3101e 1149 }
1150 return;
1151}
1152
1153static void
2e0fef85 1154lpfc_rscn_disc(struct lpfc_vport *vport)
dea3101e 1155{
2e0fef85
JS		 1156 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1157
858c9f6c
JS		 1158 lpfc_can_disctmo(vport);
1159
dea3101e 1160 /* RSCN discovery */
2e0fef85
JS		 1161 /* go thru NPR nodes and issue ELS PLOGIs */
1162 if (vport->fc_npr_cnt)
1163 if (lpfc_els_disc_plogi(vport))
dea3101e 1164 return;
2e0fef85
JS		 1165
1166 if (vport->fc_flag & FC_RSCN_MODE) {
dea3101e 1167 /* Check to see if more RSCNs came in while we were
1168 * processing this one.
1169 */
2e0fef85
JS		 1170 if ((vport->fc_rscn_id_cnt == 0) &&
1171 (!(vport->fc_flag & FC_RSCN_DISCOVERY))) {
1172 spin_lock_irq(shost->host_lock);
1173 vport->fc_flag &= ~FC_RSCN_MODE;
1174 spin_unlock_irq(shost->host_lock);
dea3101e 1175 } else {
2e0fef85 1176 lpfc_els_handle_rscn(vport);
dea3101e 1177 }
1178 }
1179}
1180
1181static void
2e0fef85
JS		 1182lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1183 struct lpfc_iocbq *rspiocb)
dea3101e 1184{
2e0fef85
JS		 1185 struct lpfc_vport *vport = cmdiocb->vport;
1186 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
dea3101e 1187 IOCB_t *irsp;
dea3101e 1188 struct lpfc_nodelist *ndlp;
2e0fef85 1189 int disc;
dea3101e 1190
1191 /* we pass cmdiocb to state machine which needs rspiocb as well */
1192 cmdiocb->context_un.rsp_iocb = rspiocb;
1193
1194 irsp = &(rspiocb->iocb);
1195 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
dea3101e 1196
858c9f6c
JS		 1197 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
1198 "ADISC cmpl: status:x%x/x%x did:x%x",
1199 irsp->ulpStatus, irsp->un.ulpWord[4],
1200 ndlp->nlp_DID);
1201
dea3101e 1202 /* Since ndlp can be freed in the disc state machine, note if this node
1203 * is being used during discovery.
1204 */
2e0fef85 1205 spin_lock_irq(shost->host_lock);
dea3101e 1206 disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC);
c9f8735b 1207 ndlp->nlp_flag &= ~(NLP_ADISC_SND | NLP_NPR_2B_DISC);
2e0fef85 1208 spin_unlock_irq(shost->host_lock);
dea3101e 1209
1210 /* ADISC completes to NPort <nlp_DID> */
1211 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 1212 "%d (%d):0104 ADISC completes to NPort x%x "
c9f8735b 1213 "Data: x%x x%x x%x x%x x%x\n",
92d7f7b0
JS		 1214 phba->brd_no, vport->vpi, ndlp->nlp_DID,
1215 irsp->ulpStatus, irsp->un.ulpWord[4], irsp->ulpTimeout,
1216 disc, vport->num_disc_nodes);
dea3101e 1217
1218 /* Check to see if link went down during discovery */
2e0fef85
JS		 1219 if (lpfc_els_chk_latt(vport)) {
1220 spin_lock_irq(shost->host_lock);
dea3101e 1221 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
2e0fef85 1222 spin_unlock_irq(shost->host_lock);
dea3101e 1223 goto out;
1224 }
1225
1226 if (irsp->ulpStatus) {
1227 /* Check for retry */
1228 if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
1229 /* ELS command is being retried */
1230 if (disc) {
2e0fef85 1231 spin_lock_irq(shost->host_lock);
dea3101e 1232 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
2e0fef85
JS		 1233 spin_unlock_irq(shost->host_lock);
1234 lpfc_set_disctmo(vport);
dea3101e 1235 }
1236 goto out;
1237 }
1238 /* ADISC failed */
1239 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
858c9f6c 1240 if (!lpfc_error_lost_link(irsp)) {
2e0fef85 1241 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
858c9f6c 1242 NLP_EVT_CMPL_ADISC);
dea3101e 1243 }
1244 } else {
1245 /* Good status, call state machine */
2e0fef85 1246 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
dea3101e 1247 NLP_EVT_CMPL_ADISC);
1248 }
1249
2e0fef85 1250 if (disc && vport->num_disc_nodes) {
dea3101e 1251 /* Check to see if there are more ADISCs to be sent */
2e0fef85 1252 lpfc_more_adisc(vport);
dea3101e 1253
1254 /* Check to see if we are done with ADISC authentication */
2e0fef85 1255 if (vport->num_disc_nodes == 0) {
92d7f7b0
JS		 1256 /* If we get here, there is nothing left to ADISC */
1257 /*
1258 * For NPIV, cmpl_reg_vpi will set port_state to READY,
1259 * and continue discovery.
1260 */
1261 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
1262 !(vport->fc_flag & FC_RSCN_MODE)) {
1263 lpfc_issue_reg_vpi(phba, vport);
1264 goto out;
1265 }
1266 /*
1267 * For SLI2, we need to set port_state to READY
1268 * and continue discovery.
1269 */
1270 if (vport->port_state < LPFC_VPORT_READY) {
1271 /* If we get here, there is nothing to ADISC */
ed957684 1272 if (vport->port_type == LPFC_PHYSICAL_PORT)
2e0fef85 1273 lpfc_issue_clear_la(phba, vport);
92d7f7b0
JS		 1274
1275 if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) {
1276 vport->num_disc_nodes = 0;
1277 /* go thru NPR list, issue ELS PLOGIs */
1278 if (vport->fc_npr_cnt)
1279 lpfc_els_disc_plogi(vport);
1280
1281 if (!vport->num_disc_nodes) {
1282 spin_lock_irq(shost->host_lock);
1283 vport->fc_flag &=
1284 ~FC_NDISC_ACTIVE;
1285 spin_unlock_irq(
1286 shost->host_lock);
1287 lpfc_can_disctmo(vport);
1288 }
1289 }
1290 vport->port_state = LPFC_VPORT_READY;
dea3101e 1291 } else {
2e0fef85 1292 lpfc_rscn_disc(vport);
dea3101e 1293 }
1294 }
1295 }
dea3101e 1296out:
1297 lpfc_els_free_iocb(phba, cmdiocb);
1298 return;
1299}
1300
1301int
2e0fef85 1302lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
dea3101e 1303 uint8_t retry)
1304{
2e0fef85
JS		 1305 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1306 struct lpfc_hba *phba = vport->phba;
dea3101e 1307 ADISC *ap;
1308 IOCB_t *icmd;
1309 struct lpfc_iocbq *elsiocb;
2e0fef85
JS		 1310 struct lpfc_sli *psli = &phba->sli;
1311 struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
dea3101e 1312 uint8_t *pcmd;
1313 uint16_t cmdsize;
1314
92d7f7b0 1315 cmdsize = (sizeof(uint32_t) + sizeof(ADISC));
2e0fef85
JS		 1316 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
1317 ndlp->nlp_DID, ELS_CMD_ADISC);
488d1469 1318 if (!elsiocb)
c9f8735b 1319 return 1;
dea3101e 1320
1321 icmd = &elsiocb->iocb;
1322 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1323
1324 /* For ADISC request, remainder of payload is service parameters */
1325 *((uint32_t *) (pcmd)) = ELS_CMD_ADISC;
92d7f7b0 1326 pcmd += sizeof(uint32_t);
dea3101e 1327
1328 /* Fill in ADISC payload */
1329 ap = (ADISC *) pcmd;
1330 ap->hardAL_PA = phba->fc_pref_ALPA;
92d7f7b0
JS		 1331 memcpy(&ap->portName, &vport->fc_portname, sizeof(struct lpfc_name));
1332 memcpy(&ap->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name));
2e0fef85 1333 ap->DID = be32_to_cpu(vport->fc_myDID);
dea3101e 1334
858c9f6c
JS		 1335 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
1336 "Issue ADISC: did:x%x",
1337 ndlp->nlp_DID, 0, 0);
1338
dea3101e 1339 phba->fc_stat.elsXmitADISC++;
1340 elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc;
2e0fef85 1341 spin_lock_irq(shost->host_lock);
dea3101e 1342 ndlp->nlp_flag |= NLP_ADISC_SND;
2e0fef85 1343 spin_unlock_irq(shost->host_lock);
dea3101e 1344 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
2e0fef85 1345 spin_lock_irq(shost->host_lock);
dea3101e 1346 ndlp->nlp_flag &= ~NLP_ADISC_SND;
2e0fef85 1347 spin_unlock_irq(shost->host_lock);
dea3101e 1348 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 1349 return 1;
dea3101e 1350 }
c9f8735b 1351 return 0;
dea3101e 1352}
1353
1354static void
2e0fef85
JS		 1355lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1356 struct lpfc_iocbq *rspiocb)
dea3101e 1357{
2e0fef85
JS		 1358 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
1359 struct lpfc_vport *vport = ndlp->vport;
1360 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
dea3101e 1361 IOCB_t *irsp;
1362 struct lpfc_sli *psli;
dea3101e 1363
1364 psli = &phba->sli;
1365 /* we pass cmdiocb to state machine which needs rspiocb as well */
1366 cmdiocb->context_un.rsp_iocb = rspiocb;
1367
1368 irsp = &(rspiocb->iocb);
2e0fef85 1369 spin_lock_irq(shost->host_lock);
dea3101e 1370 ndlp->nlp_flag &= ~NLP_LOGO_SND;
2e0fef85 1371 spin_unlock_irq(shost->host_lock);
dea3101e 1372
858c9f6c
JS		 1373 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
1374 "LOGO cmpl: status:x%x/x%x did:x%x",
1375 irsp->ulpStatus, irsp->un.ulpWord[4],
1376 ndlp->nlp_DID);
1377
dea3101e 1378 /* LOGO completes to NPort <nlp_DID> */
1379 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 1380 "%d (%d):0105 LOGO completes to NPort x%x "
c9f8735b 1381 "Data: x%x x%x x%x x%x\n",
92d7f7b0
JS		 1382 phba->brd_no, vport->vpi, ndlp->nlp_DID,
1383 irsp->ulpStatus, irsp->un.ulpWord[4], irsp->ulpTimeout,
2e0fef85 1384 vport->num_disc_nodes);
dea3101e 1385
1386 /* Check to see if link went down during discovery */
2e0fef85 1387 if (lpfc_els_chk_latt(vport))
dea3101e 1388 goto out;
1389
92d7f7b0
JS		 1390 if (ndlp->nlp_flag & NLP_TARGET_REMOVE) {
1391 /* NLP_EVT_DEVICE_RM should unregister the RPI
1392 * which should abort all outstanding IOs.
1393 */
1394 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
1395 NLP_EVT_DEVICE_RM);
1396 goto out;
1397 }
1398
dea3101e 1399 if (irsp->ulpStatus) {
1400 /* Check for retry */
2e0fef85 1401 if (lpfc_els_retry(phba, cmdiocb, rspiocb))
dea3101e 1402 /* ELS command is being retried */
1403 goto out;
dea3101e 1404 /* LOGO failed */
1405 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
858c9f6c 1406 if (lpfc_error_lost_link(irsp))
dea3101e 1407 goto out;
858c9f6c 1408 else
2e0fef85 1409 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
92d7f7b0 1410 NLP_EVT_CMPL_LOGO);
dea3101e 1411 } else {
5024ab17
JW		 1412 /* Good status, call state machine.
1413 * This will unregister the rpi if needed.
1414 */
2e0fef85 1415 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
92d7f7b0 1416 NLP_EVT_CMPL_LOGO);
dea3101e 1417 }
1418
1419out:
1420 lpfc_els_free_iocb(phba, cmdiocb);
1421 return;
1422}
1423
1424int
2e0fef85 1425lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
dea3101e 1426 uint8_t retry)
1427{
2e0fef85
JS		 1428 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1429 struct lpfc_hba *phba = vport->phba;
dea3101e 1430 IOCB_t *icmd;
1431 struct lpfc_iocbq *elsiocb;
1432 struct lpfc_sli_ring *pring;
1433 struct lpfc_sli *psli;
1434 uint8_t *pcmd;
1435 uint16_t cmdsize;
92d7f7b0 1436 int rc;
dea3101e 1437
1438 psli = &phba->sli;
1439 pring = &psli->ring[LPFC_ELS_RING];
1440
92d7f7b0 1441 cmdsize = (2 * sizeof(uint32_t)) + sizeof(struct lpfc_name);
2e0fef85
JS		 1442 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
1443 ndlp->nlp_DID, ELS_CMD_LOGO);
488d1469 1444 if (!elsiocb)
c9f8735b 1445 return 1;
dea3101e 1446
1447 icmd = &elsiocb->iocb;
1448 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1449 *((uint32_t *) (pcmd)) = ELS_CMD_LOGO;
92d7f7b0 1450 pcmd += sizeof(uint32_t);
dea3101e 1451
1452 /* Fill in LOGO payload */
2e0fef85 1453 *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID);
92d7f7b0
JS		 1454 pcmd += sizeof(uint32_t);
1455 memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name));
dea3101e 1456
858c9f6c
JS		 1457 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
1458 "Issue LOGO: did:x%x",
1459 ndlp->nlp_DID, 0, 0);
1460
dea3101e 1461 phba->fc_stat.elsXmitLOGO++;
1462 elsiocb->iocb_cmpl = lpfc_cmpl_els_logo;
2e0fef85 1463 spin_lock_irq(shost->host_lock);
dea3101e 1464 ndlp->nlp_flag |= NLP_LOGO_SND;
2e0fef85 1465 spin_unlock_irq(shost->host_lock);
92d7f7b0
JS		 1466 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
1467
1468 if (rc == IOCB_ERROR) {
2e0fef85 1469 spin_lock_irq(shost->host_lock);
dea3101e 1470 ndlp->nlp_flag &= ~NLP_LOGO_SND;
2e0fef85 1471 spin_unlock_irq(shost->host_lock);
dea3101e 1472 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 1473 return 1;
dea3101e 1474 }
c9f8735b 1475 return 0;
dea3101e 1476}
1477
1478static void
2e0fef85
JS		 1479lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1480 struct lpfc_iocbq *rspiocb)
dea3101e 1481{
2e0fef85 1482 struct lpfc_vport *vport = cmdiocb->vport;
dea3101e 1483 IOCB_t *irsp;
1484
1485 irsp = &rspiocb->iocb;
1486
858c9f6c
JS		 1487 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
1488 "ELS cmd cmpl: status:x%x/x%x did:x%x",
1489 irsp->ulpStatus, irsp->un.ulpWord[4],
1490 irsp->un.elsreq64.remoteID);
1491
dea3101e 1492 /* ELS cmd tag <ulpIoTag> completes */
92d7f7b0
JS		 1493 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1494 "%d (%d):0106 ELS cmd tag x%x completes Data: x%x x%x "
1495 "x%x\n",
1496 phba->brd_no, vport->vpi,
c9f8735b
JW		 1497 irsp->ulpIoTag, irsp->ulpStatus,
1498 irsp->un.ulpWord[4], irsp->ulpTimeout);
dea3101e 1499
1500 /* Check to see if link went down during discovery */
2e0fef85 1501 lpfc_els_chk_latt(vport);
dea3101e 1502 lpfc_els_free_iocb(phba, cmdiocb);
1503 return;
1504}
1505
1506int
2e0fef85 1507lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
dea3101e 1508{
2e0fef85 1509 struct lpfc_hba *phba = vport->phba;
dea3101e 1510 IOCB_t *icmd;
1511 struct lpfc_iocbq *elsiocb;
1512 struct lpfc_sli_ring *pring;
1513 struct lpfc_sli *psli;
1514 uint8_t *pcmd;
1515 uint16_t cmdsize;
1516 struct lpfc_nodelist *ndlp;
1517
1518 psli = &phba->sli;
1519 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
92d7f7b0 1520 cmdsize = (sizeof(uint32_t) + sizeof(SCR));
c9f8735b
JW		 1521 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
1522 if (!ndlp)
1523 return 1;
dea3101e 1524
2e0fef85
JS		 1525 lpfc_nlp_init(vport, ndlp, nportid);
1526
1527 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
1528 ndlp->nlp_DID, ELS_CMD_SCR);
dea3101e 1529
488d1469 1530 if (!elsiocb) {
329f9bc7 1531 lpfc_nlp_put(ndlp);
c9f8735b 1532 return 1;
dea3101e 1533 }
1534
1535 icmd = &elsiocb->iocb;
1536 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1537
1538 *((uint32_t *) (pcmd)) = ELS_CMD_SCR;
92d7f7b0 1539 pcmd += sizeof(uint32_t);
dea3101e 1540
1541 /* For SCR, remainder of payload is SCR parameter page */
92d7f7b0 1542 memset(pcmd, 0, sizeof(SCR));
dea3101e 1543 ((SCR *) pcmd)->Function = SCR_FUNC_FULL;
1544
858c9f6c
JS		 1545 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
1546 "Issue SCR: did:x%x",
1547 ndlp->nlp_DID, 0, 0);
1548
dea3101e 1549 phba->fc_stat.elsXmitSCR++;
1550 elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd;
dea3101e 1551 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
329f9bc7 1552 lpfc_nlp_put(ndlp);
dea3101e 1553 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 1554 return 1;
dea3101e 1555 }
329f9bc7 1556 lpfc_nlp_put(ndlp);
c9f8735b 1557 return 0;
dea3101e 1558}
1559
1560static int
2e0fef85 1561lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
dea3101e 1562{
2e0fef85 1563 struct lpfc_hba *phba = vport->phba;
dea3101e 1564 IOCB_t *icmd;
1565 struct lpfc_iocbq *elsiocb;
1566 struct lpfc_sli_ring *pring;
1567 struct lpfc_sli *psli;
1568 FARP *fp;
1569 uint8_t *pcmd;
1570 uint32_t *lp;
1571 uint16_t cmdsize;
1572 struct lpfc_nodelist *ondlp;
1573 struct lpfc_nodelist *ndlp;
1574
1575 psli = &phba->sli;
1576 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
92d7f7b0 1577 cmdsize = (sizeof(uint32_t) + sizeof(FARP));
c9f8735b
JW		 1578 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
1579 if (!ndlp)
1580 return 1;
dea3101e 1581
2e0fef85
JS		 1582 lpfc_nlp_init(vport, ndlp, nportid);
1583
1584 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
1585 ndlp->nlp_DID, ELS_CMD_RNID);
488d1469 1586 if (!elsiocb) {
329f9bc7 1587 lpfc_nlp_put(ndlp);
c9f8735b 1588 return 1;
dea3101e 1589 }
1590
1591 icmd = &elsiocb->iocb;
1592 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1593
1594 *((uint32_t *) (pcmd)) = ELS_CMD_FARPR;
92d7f7b0 1595 pcmd += sizeof(uint32_t);
dea3101e 1596
1597 /* Fill in FARPR payload */
1598 fp = (FARP *) (pcmd);
92d7f7b0 1599 memset(fp, 0, sizeof(FARP));
dea3101e 1600 lp = (uint32_t *) pcmd;
1601 *lp++ = be32_to_cpu(nportid);
2e0fef85 1602 *lp++ = be32_to_cpu(vport->fc_myDID);
dea3101e 1603 fp->Rflags = 0;
1604 fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE);
1605
92d7f7b0
JS		 1606 memcpy(&fp->RportName, &vport->fc_portname, sizeof(struct lpfc_name));
1607 memcpy(&fp->RnodeName, &vport->fc_nodename, sizeof(struct lpfc_name));
2e0fef85
JS		 1608 ondlp = lpfc_findnode_did(vport, nportid);
1609 if (ondlp) {
dea3101e 1610 memcpy(&fp->OportName, &ondlp->nlp_portname,
92d7f7b0 1611 sizeof(struct lpfc_name));
dea3101e 1612 memcpy(&fp->OnodeName, &ondlp->nlp_nodename,
92d7f7b0 1613 sizeof(struct lpfc_name));
dea3101e 1614 }
1615
858c9f6c
JS		 1616 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
1617 "Issue FARPR: did:x%x",
1618 ndlp->nlp_DID, 0, 0);
1619
dea3101e 1620 phba->fc_stat.elsXmitFARPR++;
1621 elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd;
dea3101e 1622 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
329f9bc7 1623 lpfc_nlp_put(ndlp);
dea3101e 1624 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 1625 return 1;
dea3101e 1626 }
329f9bc7 1627 lpfc_nlp_put(ndlp);
c9f8735b 1628 return 0;
dea3101e 1629}
1630
ed957684
JS		 1631static void
1632lpfc_end_rscn(struct lpfc_vport *vport)
1633{
1634 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1635
1636 if (vport->fc_flag & FC_RSCN_MODE) {
1637 /*
1638 * Check to see if more RSCNs came in while we were
1639 * processing this one.
1640 */
1641 if (vport->fc_rscn_id_cnt ||
1642 (vport->fc_flag & FC_RSCN_DISCOVERY) != 0)
1643 lpfc_els_handle_rscn(vport);
1644 else {
1645 spin_lock_irq(shost->host_lock);
1646 vport->fc_flag &= ~FC_RSCN_MODE;
1647 spin_unlock_irq(shost->host_lock);
1648 }
1649 }
1650}
1651
fdcebe28 1652void
2e0fef85 1653lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp)
fdcebe28 1654{
2e0fef85
JS		 1655 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1656
1657 spin_lock_irq(shost->host_lock);
fdcebe28 1658 nlp->nlp_flag &= ~NLP_DELAY_TMO;
2e0fef85 1659 spin_unlock_irq(shost->host_lock);
fdcebe28
JS		 1660 del_timer_sync(&nlp->nlp_delayfunc);
1661 nlp->nlp_last_elscmd = 0;
1662
1663 if (!list_empty(&nlp->els_retry_evt.evt_listp))
1664 list_del_init(&nlp->els_retry_evt.evt_listp);
1665
1666 if (nlp->nlp_flag & NLP_NPR_2B_DISC) {
2e0fef85 1667 spin_lock_irq(shost->host_lock);
fdcebe28 1668 nlp->nlp_flag &= ~NLP_NPR_2B_DISC;
2e0fef85
JS		 1669 spin_unlock_irq(shost->host_lock);
1670 if (vport->num_disc_nodes) {
fdcebe28
JS		 1671 /* Check to see if there are more
1672 * PLOGIs to be sent
1673 */
2e0fef85
JS		 1674 lpfc_more_plogi(vport);
1675
1676 if (vport->num_disc_nodes == 0) {
1677 spin_lock_irq(shost->host_lock);
1678 vport->fc_flag &= ~FC_NDISC_ACTIVE;
1679 spin_unlock_irq(shost->host_lock);
1680 lpfc_can_disctmo(vport);
ed957684 1681 lpfc_end_rscn(vport);
fdcebe28
JS		 1682 }
1683 }
1684 }
1685 return;
1686}
1687
dea3101e 1688void
1689lpfc_els_retry_delay(unsigned long ptr)
1690{
2e0fef85
JS		 1691 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) ptr;
1692 struct lpfc_vport *vport = ndlp->vport;
2e0fef85 1693 struct lpfc_hba *phba = vport->phba;
92d7f7b0 1694 unsigned long flags;
2e0fef85 1695 struct lpfc_work_evt *evtp = &ndlp->els_retry_evt;
dea3101e 1696
2e0fef85
JS		 1697 ndlp = (struct lpfc_nodelist *) ptr;
1698 phba = ndlp->vport->phba;
dea3101e 1699 evtp = &ndlp->els_retry_evt;
1700
92d7f7b0 1701 spin_lock_irqsave(&phba->hbalock, flags);
dea3101e 1702 if (!list_empty(&evtp->evt_listp)) {
92d7f7b0 1703 spin_unlock_irqrestore(&phba->hbalock, flags);
dea3101e 1704 return;
1705 }
1706
1707 evtp->evt_arg1 = ndlp;
1708 evtp->evt = LPFC_EVT_ELS_RETRY;
1709 list_add_tail(&evtp->evt_listp, &phba->work_list);
1710 if (phba->work_wait)
92d7f7b0 1711 lpfc_worker_wake_up(phba);
dea3101e 1712
92d7f7b0 1713 spin_unlock_irqrestore(&phba->hbalock, flags);
dea3101e 1714 return;
1715}
1716
1717void
1718lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp)
1719{
2e0fef85
JS		 1720 struct lpfc_vport *vport = ndlp->vport;
1721 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1722 uint32_t cmd, did, retry;
dea3101e 1723
2e0fef85 1724 spin_lock_irq(shost->host_lock);
5024ab17
JW		 1725 did = ndlp->nlp_DID;
1726 cmd = ndlp->nlp_last_elscmd;
1727 ndlp->nlp_last_elscmd = 0;
dea3101e 1728
1729 if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) {
2e0fef85 1730 spin_unlock_irq(shost->host_lock);
dea3101e 1731 return;
1732 }
1733
1734 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
2e0fef85 1735 spin_unlock_irq(shost->host_lock);
1a169689
JS		 1736 /*
1737 * If a discovery event readded nlp_delayfunc after timer
1738 * firing and before processing the timer, cancel the
1739 * nlp_delayfunc.
1740 */
1741 del_timer_sync(&ndlp->nlp_delayfunc);
dea3101e 1742 retry = ndlp->nlp_retry;
1743
1744 switch (cmd) {
1745 case ELS_CMD_FLOGI:
2e0fef85 1746 lpfc_issue_els_flogi(vport, ndlp, retry);
dea3101e 1747 break;
1748 case ELS_CMD_PLOGI:
2e0fef85 1749 if (!lpfc_issue_els_plogi(vport, ndlp->nlp_DID, retry)) {
5024ab17 1750 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85 1751 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
6ad42535 1752 }
dea3101e 1753 break;
1754 case ELS_CMD_ADISC:
2e0fef85 1755 if (!lpfc_issue_els_adisc(vport, ndlp, retry)) {
5024ab17 1756 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85 1757 lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE);
6ad42535 1758 }
dea3101e 1759 break;
1760 case ELS_CMD_PRLI:
2e0fef85 1761 if (!lpfc_issue_els_prli(vport, ndlp, retry)) {
5024ab17 1762 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85 1763 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
6ad42535 1764 }
dea3101e 1765 break;
1766 case ELS_CMD_LOGO:
2e0fef85 1767 if (!lpfc_issue_els_logo(vport, ndlp, retry)) {
5024ab17 1768 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85 1769 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
6ad42535 1770 }
dea3101e 1771 break;
92d7f7b0
JS		 1772 case ELS_CMD_FDISC:
1773 lpfc_issue_els_fdisc(vport, ndlp, retry);
1774 break;
dea3101e 1775 }
1776 return;
1777}
1778
1779static int
2e0fef85
JS		 1780lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1781 struct lpfc_iocbq *rspiocb)
dea3101e 1782{
2e0fef85
JS		 1783 struct lpfc_vport *vport = cmdiocb->vport;
1784 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1785 IOCB_t *irsp = &rspiocb->iocb;
1786 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
1787 struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
dea3101e 1788 uint32_t *elscmd;
1789 struct ls_rjt stat;
2e0fef85
JS		 1790 int retry = 0, maxretry = lpfc_max_els_tries, delay = 0;
1791 uint32_t cmd = 0;
488d1469 1792 uint32_t did;
dea3101e 1793
488d1469 1794
dea3101e 1795 /* Note: context2 may be 0 for internal driver abort
1796 * of delays ELS command.
1797 */
1798
1799 if (pcmd && pcmd->virt) {
1800 elscmd = (uint32_t *) (pcmd->virt);
1801 cmd = *elscmd++;
1802 }
1803
329f9bc7 1804 if (ndlp)
488d1469
JS		 1805 did = ndlp->nlp_DID;
1806 else {
1807 /* We should only hit this case for retrying PLOGI */
1808 did = irsp->un.elsreq64.remoteID;
2e0fef85 1809 ndlp = lpfc_findnode_did(vport, did);
488d1469
JS		 1810 if (!ndlp && (cmd != ELS_CMD_PLOGI))
1811 return 1;
1812 }
1813
858c9f6c
JS		 1814 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
1815 "Retry ELS: wd7:x%x wd4:x%x did:x%x",
1816 *(((uint32_t *) irsp) + 7), irsp->un.ulpWord[4], ndlp->nlp_DID);
1817
dea3101e 1818 switch (irsp->ulpStatus) {
1819 case IOSTAT_FCP_RSP_ERROR:
1820 case IOSTAT_REMOTE_STOP:
1821 break;
1822
1823 case IOSTAT_LOCAL_REJECT:
1824 switch ((irsp->un.ulpWord[4] & 0xff)) {
1825 case IOERR_LOOP_OPEN_FAILURE:
2e0fef85 1826 if (cmd == ELS_CMD_PLOGI && cmdiocb->retry == 0)
92d7f7b0 1827 delay = 1000;
dea3101e 1828 retry = 1;
1829 break;
1830
92d7f7b0
JS		 1831 case IOERR_ILLEGAL_COMMAND:
1832 if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) &&
1833 (cmd == ELS_CMD_FDISC)) {
1834 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
1835 "%d (%d):0124 FDISC failed (3/6) retrying...\n",
1836 phba->brd_no, vport->vpi);
1837 lpfc_mbx_unreg_vpi(vport);
1838 retry = 1;
1839 /* Always retry for this case */
1840 cmdiocb->retry = 0;
1841 }
1842 break;
1843
dea3101e 1844 case IOERR_NO_RESOURCES:
858c9f6c
JS		 1845 retry = 1;
1846 if (cmdiocb->retry > 100)
1847 delay = 100;
1848 maxretry = 250;
1849 break;
1850
1851 case IOERR_ILLEGAL_FRAME:
92d7f7b0 1852 delay = 100;
dea3101e 1853 retry = 1;
1854 break;
1855
858c9f6c 1856 case IOERR_SEQUENCE_TIMEOUT:
dea3101e 1857 case IOERR_INVALID_RPI:
1858 retry = 1;
1859 break;
1860 }
1861 break;
1862
1863 case IOSTAT_NPORT_RJT:
1864 case IOSTAT_FABRIC_RJT:
1865 if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) {
1866 retry = 1;
1867 break;
1868 }
1869 break;
1870
1871 case IOSTAT_NPORT_BSY:
1872 case IOSTAT_FABRIC_BSY:
1873 retry = 1;
1874 break;
1875
1876 case IOSTAT_LS_RJT:
1877 stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]);
1878 /* Added for Vendor specifc support
1879 * Just keep retrying for these Rsn / Exp codes
1880 */
1881 switch (stat.un.b.lsRjtRsnCode) {
1882 case LSRJT_UNABLE_TPC:
1883 if (stat.un.b.lsRjtRsnCodeExp ==
1884 LSEXP_CMD_IN_PROGRESS) {
1885 if (cmd == ELS_CMD_PLOGI) {
92d7f7b0 1886 delay = 1000;
dea3101e 1887 maxretry = 48;
1888 }
1889 retry = 1;
1890 break;
1891 }
1892 if (cmd == ELS_CMD_PLOGI) {
92d7f7b0 1893 delay = 1000;
dea3101e 1894 maxretry = lpfc_max_els_tries + 1;
1895 retry = 1;
1896 break;
1897 }
92d7f7b0
JS		 1898 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
1899 (cmd == ELS_CMD_FDISC) &&
1900 (stat.un.b.lsRjtRsnCodeExp == LSEXP_OUT_OF_RESOURCE)){
1901 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
1902 "%d (%d):0125 FDISC Failed (x%x)."
1903 " Fabric out of resources\n",
1904 phba->brd_no, vport->vpi, stat.un.lsRjtError);
1905 lpfc_vport_set_state(vport,
1906 FC_VPORT_NO_FABRIC_RSCS);
1907 }
dea3101e 1908 break;
1909
1910 case LSRJT_LOGICAL_BSY:
858c9f6c
JS		 1911 if ((cmd == ELS_CMD_PLOGI) ||
1912 (cmd == ELS_CMD_PRLI)) {
92d7f7b0 1913 delay = 1000;
dea3101e 1914 maxretry = 48;
92d7f7b0
JS		 1915 } else if (cmd == ELS_CMD_FDISC) {
1916 /* Always retry for this case */
1917 cmdiocb->retry = 0;
dea3101e 1918 }
1919 retry = 1;
1920 break;
92d7f7b0
JS		 1921
1922 case LSRJT_LOGICAL_ERR:
1923 case LSRJT_PROTOCOL_ERR:
1924 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
1925 (cmd == ELS_CMD_FDISC) &&
1926 ((stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_PNAME) ||
1927 (stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_NPORT_ID))
1928 ) {
1929 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
1930 "%d (%d):0123 FDISC Failed (x%x)."
1931 " Fabric Detected Bad WWN\n",
1932 phba->brd_no, vport->vpi, stat.un.lsRjtError);
1933 lpfc_vport_set_state(vport,
1934 FC_VPORT_FABRIC_REJ_WWN);
1935 }
1936 break;
dea3101e 1937 }
1938 break;
1939
1940 case IOSTAT_INTERMED_RSP:
1941 case IOSTAT_BA_RJT:
1942 break;
1943
1944 default:
1945 break;
1946 }
1947
488d1469 1948 if (did == FDMI_DID)
dea3101e 1949 retry = 1;
dea3101e 1950
1951 if ((++cmdiocb->retry) >= maxretry) {
1952 phba->fc_stat.elsRetryExceeded++;
1953 retry = 0;
1954 }
1955
ed957684
JS		 1956 if ((vport->load_flag & FC_UNLOADING) != 0)
1957 retry = 0;
1958
dea3101e 1959 if (retry) {
1960
1961 /* Retry ELS command <elsCmd> to remote NPORT <did> */
1962 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 1963 "%d (%d):0107 Retry ELS command x%x to remote "
dea3101e 1964 "NPORT x%x Data: x%x x%x\n",
92d7f7b0 1965 phba->brd_no, vport->vpi,
488d1469 1966 cmd, did, cmdiocb->retry, delay);
dea3101e 1967
858c9f6c
JS		 1968 if (((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) &&
1969 ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) ||
1970 ((irsp->un.ulpWord[4] & 0xff) != IOERR_NO_RESOURCES))) {
1971 /* Don't reset timer for no resources */
1972
dea3101e 1973 /* If discovery / RSCN timer is running, reset it */
2e0fef85 1974 if (timer_pending(&vport->fc_disctmo) ||
92d7f7b0 1975 (vport->fc_flag & FC_RSCN_MODE))
2e0fef85 1976 lpfc_set_disctmo(vport);
dea3101e 1977 }
1978
1979 phba->fc_stat.elsXmitRetry++;
488d1469 1980 if (ndlp && delay) {
dea3101e 1981 phba->fc_stat.elsDelayRetry++;
1982 ndlp->nlp_retry = cmdiocb->retry;
1983
92d7f7b0
JS		 1984 /* delay is specified in milliseconds */
1985 mod_timer(&ndlp->nlp_delayfunc,
1986 jiffies + msecs_to_jiffies(delay));
2e0fef85 1987 spin_lock_irq(shost->host_lock);
dea3101e 1988 ndlp->nlp_flag |= NLP_DELAY_TMO;
2e0fef85 1989 spin_unlock_irq(shost->host_lock);
dea3101e 1990
5024ab17 1991 ndlp->nlp_prev_state = ndlp->nlp_state;
858c9f6c
JS		 1992 if (cmd == ELS_CMD_PRLI)
1993 lpfc_nlp_set_state(vport, ndlp,
1994 NLP_STE_REG_LOGIN_ISSUE);
1995 else
1996 lpfc_nlp_set_state(vport, ndlp,
1997 NLP_STE_NPR_NODE);
dea3101e 1998 ndlp->nlp_last_elscmd = cmd;
1999
c9f8735b 2000 return 1;
dea3101e 2001 }
2002 switch (cmd) {
2003 case ELS_CMD_FLOGI:
2e0fef85 2004 lpfc_issue_els_flogi(vport, ndlp, cmdiocb->retry);
c9f8735b 2005 return 1;
92d7f7b0
JS		 2006 case ELS_CMD_FDISC:
2007 lpfc_issue_els_fdisc(vport, ndlp, cmdiocb->retry);
2008 return 1;
dea3101e 2009 case ELS_CMD_PLOGI:
488d1469
JS		 2010 if (ndlp) {
2011 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85 2012 lpfc_nlp_set_state(vport, ndlp,
de0c5b32 2013 NLP_STE_PLOGI_ISSUE);
488d1469 2014 }
2e0fef85 2015 lpfc_issue_els_plogi(vport, did, cmdiocb->retry);
c9f8735b 2016 return 1;
dea3101e 2017 case ELS_CMD_ADISC:
5024ab17 2018 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85
JS		 2019 lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE);
2020 lpfc_issue_els_adisc(vport, ndlp, cmdiocb->retry);
c9f8735b 2021 return 1;
dea3101e 2022 case ELS_CMD_PRLI:
5024ab17 2023 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85
JS		 2024 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
2025 lpfc_issue_els_prli(vport, ndlp, cmdiocb->retry);
c9f8735b 2026 return 1;
dea3101e 2027 case ELS_CMD_LOGO:
5024ab17 2028 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85
JS		 2029 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
2030 lpfc_issue_els_logo(vport, ndlp, cmdiocb->retry);
c9f8735b 2031 return 1;
dea3101e 2032 }
2033 }
2034
2035 /* No retry ELS command <elsCmd> to remote NPORT <did> */
a58cbd52
JS		 2036 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
2037 "0108 No retry ELS command x%x to remote "
2038 "NPORT x%x Retried:%d Error:x%x/%x\n",
2039 cmd, did, cmdiocb->retry, irsp->ulpStatus,
2040 irsp->un.ulpWord[4]);
c9f8735b 2041 return 0;
dea3101e 2042}
2043
2044int
329f9bc7 2045lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb)
dea3101e 2046{
2047 struct lpfc_dmabuf *buf_ptr, *buf_ptr1;
2048
329f9bc7
JS		 2049 if (elsiocb->context1) {
2050 lpfc_nlp_put(elsiocb->context1);
2051 elsiocb->context1 = NULL;
2052 }
dea3101e 2053 /* context2 = cmd, context2->next = rsp, context3 = bpl */
2054 if (elsiocb->context2) {
2055 buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2;
2056 /* Free the response before processing the command. */
2057 if (!list_empty(&buf_ptr1->list)) {
2058 list_remove_head(&buf_ptr1->list, buf_ptr,
2059 struct lpfc_dmabuf,
2060 list);
2061 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
2062 kfree(buf_ptr);
2063 }
2064 lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys);
2065 kfree(buf_ptr1);
2066 }
2067
2068 if (elsiocb->context3) {
2069 buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3;
2070 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
2071 kfree(buf_ptr);
2072 }
604a3e30 2073 lpfc_sli_release_iocbq(phba, elsiocb);
dea3101e 2074 return 0;
2075}
2076
2077static void
2e0fef85
JS		 2078lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2079 struct lpfc_iocbq *rspiocb)
dea3101e 2080{
2e0fef85
JS		 2081 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
2082 struct lpfc_vport *vport = cmdiocb->vport;
858c9f6c
JS		 2083 IOCB_t *irsp;
2084
2085 irsp = &rspiocb->iocb;
2086 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
2087 "ACC LOGO cmpl: status:x%x/x%x did:x%x",
2088 irsp->ulpStatus, irsp->un.ulpWord[4], ndlp->nlp_DID);
dea3101e 2089
2090 /* ACC to LOGO completes to NPort <nlp_DID> */
2091 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 2092 "%d (%d):0109 ACC to LOGO completes to NPort x%x "
dea3101e 2093 "Data: x%x x%x x%x\n",
92d7f7b0
JS		 2094 phba->brd_no, vport->vpi, ndlp->nlp_DID,
2095 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
dea3101e 2096
dea3101e 2097 switch (ndlp->nlp_state) {
2098 case NLP_STE_UNUSED_NODE: /* node is just allocated */
2e0fef85 2099 lpfc_drop_node(vport, ndlp);
dea3101e 2100 break;
2101 case NLP_STE_NPR_NODE: /* NPort Recovery mode */
2e0fef85 2102 lpfc_unreg_rpi(vport, ndlp);
dea3101e 2103 break;
2104 default:
2105 break;
2106 }
2107 lpfc_els_free_iocb(phba, cmdiocb);
2108 return;
2109}
2110
858c9f6c
JS		 2111void
2112lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
2113{
2114 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
2115 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
2116
2117 pmb->context1 = NULL;
2118 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2119 kfree(mp);
2120 mempool_free(pmb, phba->mbox_mem_pool);
2121 lpfc_nlp_put(ndlp);
2122 return;
2123}
2124
dea3101e 2125static void
858c9f6c 2126lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
329f9bc7 2127 struct lpfc_iocbq *rspiocb)
dea3101e 2128{
2e0fef85
JS		 2129 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
2130 struct lpfc_vport *vport = ndlp ? ndlp->vport : NULL;
2131 struct Scsi_Host *shost = vport ? lpfc_shost_from_vport(vport) : NULL;
33ccf8d1 2132 IOCB_t *irsp;
dea3101e 2133 LPFC_MBOXQ_t *mbox = NULL;
2e0fef85 2134 struct lpfc_dmabuf *mp = NULL;
dea3101e 2135
33ccf8d1
JS		 2136 irsp = &rspiocb->iocb;
2137
dea3101e 2138 if (cmdiocb->context_un.mbox)
2139 mbox = cmdiocb->context_un.mbox;
2140
dea3101e 2141 /* Check to see if link went down during discovery */
2e0fef85 2142 if (!ndlp || lpfc_els_chk_latt(vport)) {
dea3101e 2143 if (mbox) {
14691150
JS		 2144 mp = (struct lpfc_dmabuf *) mbox->context1;
2145 if (mp) {
2146 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2147 kfree(mp);
2148 }
329f9bc7 2149 mempool_free(mbox, phba->mbox_mem_pool);
dea3101e 2150 }
2151 goto out;
2152 }
2153
858c9f6c
JS		 2154 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
2155 "ACC cmpl: status:x%x/x%x did:x%x",
2156 irsp->ulpStatus, irsp->un.ulpWord[4],
2157 irsp->un.rcvels.remoteID);
2158
dea3101e 2159 /* ELS response tag <ulpIoTag> completes */
2160 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 2161 "%d (%d):0110 ELS response tag x%x completes "
c9f8735b 2162 "Data: x%x x%x x%x x%x x%x x%x x%x\n",
92d7f7b0 2163 phba->brd_no, vport->vpi,
dea3101e 2164 cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus,
c9f8735b 2165 rspiocb->iocb.un.ulpWord[4], rspiocb->iocb.ulpTimeout,
2e0fef85 2166 ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state,
c9f8735b 2167 ndlp->nlp_rpi);
dea3101e 2168
2169 if (mbox) {
2170 if ((rspiocb->iocb.ulpStatus == 0)
2171 && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) {
2e0fef85 2172 lpfc_unreg_rpi(vport, ndlp);
329f9bc7 2173 mbox->context2 = lpfc_nlp_get(ndlp);
2e0fef85 2174 mbox->vport = vport;
858c9f6c
JS		 2175 if (ndlp->nlp_flag & NLP_RM_DFLT_RPI) {
2176 mbox->mbox_flag |= LPFC_MBX_IMED_UNREG;
2177 mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi;
2178 }
2179 else {
2180 mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login;
2181 ndlp->nlp_prev_state = ndlp->nlp_state;
2182 lpfc_nlp_set_state(vport, ndlp,
2e0fef85 2183 NLP_STE_REG_LOGIN_ISSUE);
858c9f6c 2184 }
dea3101e 2185 if (lpfc_sli_issue_mbox(phba, mbox,
2186 (MBX_NOWAIT | MBX_STOP_IOCB))
2187 != MBX_NOT_FINISHED) {
2188 goto out;
2189 }
329f9bc7 2190 lpfc_nlp_put(ndlp);
dea3101e 2191 /* NOTE: we should have messages for unsuccessful
2192 reglogin */
dea3101e 2193 } else {
858c9f6c
JS		 2194 /* Do not drop node for lpfc_els_abort'ed ELS cmds */
2195 if (!lpfc_error_lost_link(irsp) &&
2196 ndlp->nlp_flag & NLP_ACC_REGLOGIN) {
2197 lpfc_drop_node(vport, ndlp);
2198 ndlp = NULL;
dea3101e 2199 }
2200 }
14691150
JS		 2201 mp = (struct lpfc_dmabuf *) mbox->context1;
2202 if (mp) {
2203 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2204 kfree(mp);
2205 }
2206 mempool_free(mbox, phba->mbox_mem_pool);
dea3101e 2207 }
2208out:
2209 if (ndlp) {
2e0fef85 2210 spin_lock_irq(shost->host_lock);
858c9f6c 2211 ndlp->nlp_flag &= ~(NLP_ACC_REGLOGIN | NLP_RM_DFLT_RPI);
2e0fef85 2212 spin_unlock_irq(shost->host_lock);
dea3101e 2213 }
2214 lpfc_els_free_iocb(phba, cmdiocb);
2215 return;
2216}
2217
2218int
2e0fef85
JS		 2219lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag,
2220 struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp,
2221 LPFC_MBOXQ_t *mbox, uint8_t newnode)
dea3101e 2222{
2e0fef85
JS		 2223 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2224 struct lpfc_hba *phba = vport->phba;
dea3101e 2225 IOCB_t *icmd;
2226 IOCB_t *oldcmd;
2227 struct lpfc_iocbq *elsiocb;
2228 struct lpfc_sli_ring *pring;
2229 struct lpfc_sli *psli;
2230 uint8_t *pcmd;
2231 uint16_t cmdsize;
2232 int rc;
82d9a2a2 2233 ELS_PKT *els_pkt_ptr;
dea3101e 2234
2235 psli = &phba->sli;
2236 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
2237 oldcmd = &oldiocb->iocb;
2238
2239 switch (flag) {
2240 case ELS_CMD_ACC:
92d7f7b0 2241 cmdsize = sizeof(uint32_t);
2e0fef85
JS		 2242 elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry,
2243 ndlp, ndlp->nlp_DID, ELS_CMD_ACC);
488d1469 2244 if (!elsiocb) {
2e0fef85 2245 spin_lock_irq(shost->host_lock);
5024ab17 2246 ndlp->nlp_flag &= ~NLP_LOGO_ACC;
2e0fef85 2247 spin_unlock_irq(shost->host_lock);
c9f8735b 2248 return 1;
dea3101e 2249 }
2e0fef85 2250
dea3101e 2251 icmd = &elsiocb->iocb;
2252 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
2253 pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
2254 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
92d7f7b0 2255 pcmd += sizeof(uint32_t);
858c9f6c
JS		 2256
2257 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
2258 "Issue ACC: did:x%x flg:x%x",
2259 ndlp->nlp_DID, ndlp->nlp_flag, 0);
dea3101e 2260 break;
2261 case ELS_CMD_PLOGI:
92d7f7b0 2262 cmdsize = (sizeof(struct serv_parm) + sizeof(uint32_t));
2e0fef85
JS		 2263 elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry,
2264 ndlp, ndlp->nlp_DID, ELS_CMD_ACC);
488d1469 2265 if (!elsiocb)
c9f8735b 2266 return 1;
488d1469 2267
dea3101e 2268 icmd = &elsiocb->iocb;
2269 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
2270 pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
2271
2272 if (mbox)
2273 elsiocb->context_un.mbox = mbox;
2274
2275 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
92d7f7b0
JS		 2276 pcmd += sizeof(uint32_t);
2277 memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm));
858c9f6c
JS		 2278
2279 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
2280 "Issue ACC PLOGI: did:x%x flg:x%x",
2281 ndlp->nlp_DID, ndlp->nlp_flag, 0);
dea3101e 2282 break;
82d9a2a2 2283 case ELS_CMD_PRLO:
92d7f7b0 2284 cmdsize = sizeof(uint32_t) + sizeof(PRLO);
2e0fef85 2285 elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry,
82d9a2a2
JS		 2286 ndlp, ndlp->nlp_DID, ELS_CMD_PRLO);
2287 if (!elsiocb)
2288 return 1;
2289
2290 icmd = &elsiocb->iocb;
2291 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
2292 pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
2293
2294 memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt,
92d7f7b0 2295 sizeof(uint32_t) + sizeof(PRLO));
82d9a2a2
JS		 2296 *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC;
2297 els_pkt_ptr = (ELS_PKT *) pcmd;
2298 els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED;
858c9f6c
JS		 2299
2300 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
2301 "Issue ACC PRLO: did:x%x flg:x%x",
2302 ndlp->nlp_DID, ndlp->nlp_flag, 0);
82d9a2a2 2303 break;
dea3101e 2304 default:
c9f8735b 2305 return 1;
dea3101e 2306 }
2307
329f9bc7
JS		 2308 if (newnode) {
2309 lpfc_nlp_put(ndlp);
dea3101e 2310 elsiocb->context1 = NULL;
329f9bc7 2311 }
dea3101e 2312
2313 /* Xmit ELS ACC response tag <ulpIoTag> */
2314 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 2315 "%d (%d):0128 Xmit ELS ACC response tag x%x, XRI: x%x, "
1dcb58e5 2316 "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x\n",
92d7f7b0 2317 phba->brd_no, vport->vpi, elsiocb->iotag,
dea3101e 2318 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
2319 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
2320
2321 if (ndlp->nlp_flag & NLP_LOGO_ACC) {
2e0fef85 2322 spin_lock_irq(shost->host_lock);
c9f8735b 2323 ndlp->nlp_flag &= ~NLP_LOGO_ACC;
2e0fef85 2324 spin_unlock_irq(shost->host_lock);
dea3101e 2325 elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc;
2326 } else {
858c9f6c 2327 elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
dea3101e 2328 }
2329
2330 phba->fc_stat.elsXmitACC++;
dea3101e 2331 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
dea3101e 2332 if (rc == IOCB_ERROR) {
2333 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 2334 return 1;
dea3101e 2335 }
c9f8735b 2336 return 0;
dea3101e 2337}
2338
2339int
2e0fef85 2340lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError,
858c9f6c
JS		 2341 struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp,
2342 LPFC_MBOXQ_t *mbox)
dea3101e 2343{
2e0fef85 2344 struct lpfc_hba *phba = vport->phba;
dea3101e 2345 IOCB_t *icmd;
2346 IOCB_t *oldcmd;
2347 struct lpfc_iocbq *elsiocb;
2348 struct lpfc_sli_ring *pring;
2349 struct lpfc_sli *psli;
2350 uint8_t *pcmd;
2351 uint16_t cmdsize;
2352 int rc;
2353
2354 psli = &phba->sli;
2355 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
2356
92d7f7b0 2357 cmdsize = 2 * sizeof(uint32_t);
2e0fef85
JS		 2358 elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp,
2359 ndlp->nlp_DID, ELS_CMD_LS_RJT);
488d1469 2360 if (!elsiocb)
c9f8735b 2361 return 1;
dea3101e 2362
2363 icmd = &elsiocb->iocb;
2364 oldcmd = &oldiocb->iocb;
2365 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
2366 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
2367
2368 *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT;
92d7f7b0 2369 pcmd += sizeof(uint32_t);
dea3101e 2370 *((uint32_t *) (pcmd)) = rejectError;
2371
858c9f6c
JS		 2372 if (mbox) {
2373 elsiocb->context_un.mbox = mbox;
2374 elsiocb->context1 = lpfc_nlp_get(ndlp);
2375 }
2376
dea3101e 2377 /* Xmit ELS RJT <err> response tag <ulpIoTag> */
2378 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0
JS		 2379 "%d (%d):0129 Xmit ELS RJT x%x response tag x%x "
2380 "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, "
2381 "rpi x%x\n",
2382 phba->brd_no, vport->vpi, rejectError, elsiocb->iotag,
dea3101e 2383 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
2384 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
2385
858c9f6c
JS		 2386 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
2387 "Issue LS_RJT: did:x%x flg:x%x err:x%x",
2388 ndlp->nlp_DID, ndlp->nlp_flag, rejectError);
2389
dea3101e 2390 phba->fc_stat.elsXmitLSRJT++;
858c9f6c 2391 elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
dea3101e 2392 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
dea3101e 2393 if (rc == IOCB_ERROR) {
2394 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 2395 return 1;
dea3101e 2396 }
c9f8735b 2397 return 0;
dea3101e 2398}
2399
2400int
2e0fef85
JS		 2401lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb,
2402 struct lpfc_nodelist *ndlp)
dea3101e 2403{
2e0fef85
JS		 2404 struct lpfc_hba *phba = vport->phba;
2405 struct lpfc_sli *psli = &phba->sli;
2406 struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
dea3101e 2407 ADISC *ap;
2e0fef85 2408 IOCB_t *icmd, *oldcmd;
dea3101e 2409 struct lpfc_iocbq *elsiocb;
dea3101e 2410 uint8_t *pcmd;
2411 uint16_t cmdsize;
2412 int rc;
2413
92d7f7b0 2414 cmdsize = sizeof(uint32_t) + sizeof(ADISC);
2e0fef85
JS		 2415 elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp,
2416 ndlp->nlp_DID, ELS_CMD_ACC);
488d1469 2417 if (!elsiocb)
c9f8735b 2418 return 1;
dea3101e 2419
5b8bd0c9
JS		 2420 icmd = &elsiocb->iocb;
2421 oldcmd = &oldiocb->iocb;
2422 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
2423
dea3101e 2424 /* Xmit ADISC ACC response tag <ulpIoTag> */
2425 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 2426 "%d (%d):0130 Xmit ADISC ACC response iotag x%x xri: "
5b8bd0c9 2427 "x%x, did x%x, nlp_flag x%x, nlp_state x%x rpi x%x\n",
92d7f7b0 2428 phba->brd_no, vport->vpi, elsiocb->iotag,
dea3101e 2429 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
2430 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
2431
dea3101e 2432 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
2433
2434 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
92d7f7b0 2435 pcmd += sizeof(uint32_t);
dea3101e 2436
2437 ap = (ADISC *) (pcmd);
2438 ap->hardAL_PA = phba->fc_pref_ALPA;
92d7f7b0
JS		 2439 memcpy(&ap->portName, &vport->fc_portname, sizeof(struct lpfc_name));
2440 memcpy(&ap->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name));
2e0fef85 2441 ap->DID = be32_to_cpu(vport->fc_myDID);
dea3101e 2442
858c9f6c
JS		 2443 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
2444 "Issue ACC ADISC: did:x%x flg:x%x",
2445 ndlp->nlp_DID, ndlp->nlp_flag, 0);
2446
dea3101e 2447 phba->fc_stat.elsXmitACC++;
858c9f6c 2448 elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
dea3101e 2449 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
dea3101e 2450 if (rc == IOCB_ERROR) {
2451 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 2452 return 1;
dea3101e 2453 }
c9f8735b 2454 return 0;
dea3101e 2455}
2456
2457int
2e0fef85 2458lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb,
5b8bd0c9 2459 struct lpfc_nodelist *ndlp)
dea3101e 2460{
2e0fef85 2461 struct lpfc_hba *phba = vport->phba;
dea3101e 2462 PRLI *npr;
2463 lpfc_vpd_t *vpd;
2464 IOCB_t *icmd;
2465 IOCB_t *oldcmd;
2466 struct lpfc_iocbq *elsiocb;
2467 struct lpfc_sli_ring *pring;
2468 struct lpfc_sli *psli;
2469 uint8_t *pcmd;
2470 uint16_t cmdsize;
2471 int rc;
2472
2473 psli = &phba->sli;
2474 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
2475
92d7f7b0 2476 cmdsize = sizeof(uint32_t) + sizeof(PRLI);
2e0fef85 2477 elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp,
92d7f7b0 2478 ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)));
c9f8735b
JW		 2479 if (!elsiocb)
2480 return 1;
dea3101e 2481
5b8bd0c9
JS		 2482 icmd = &elsiocb->iocb;
2483 oldcmd = &oldiocb->iocb;
2484 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
2485
dea3101e 2486 /* Xmit PRLI ACC response tag <ulpIoTag> */
2487 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 2488 "%d (%d):0131 Xmit PRLI ACC response tag x%x xri x%x, "
5b8bd0c9 2489 "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n",
92d7f7b0 2490 phba->brd_no, vport->vpi, elsiocb->iotag,
dea3101e 2491 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
2492 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
2493
dea3101e 2494 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
2495
2496 *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK));
92d7f7b0 2497 pcmd += sizeof(uint32_t);
dea3101e 2498
2499 /* For PRLI, remainder of payload is PRLI parameter page */
92d7f7b0 2500 memset(pcmd, 0, sizeof(PRLI));
dea3101e 2501
2502 npr = (PRLI *) pcmd;
2503 vpd = &phba->vpd;
2504 /*
2505 * If our firmware version is 3.20 or later,
2506 * set the following bits for FC-TAPE support.
2507 */
2508 if (vpd->rev.feaLevelHigh >= 0x02) {
2509 npr->ConfmComplAllowed = 1;
2510 npr->Retry = 1;
2511 npr->TaskRetryIdReq = 1;
2512 }
2513
2514 npr->acceptRspCode = PRLI_REQ_EXECUTED;
2515 npr->estabImagePair = 1;
2516 npr->readXferRdyDis = 1;
2517 npr->ConfmComplAllowed = 1;
2518
2519 npr->prliType = PRLI_FCP_TYPE;
2520 npr->initiatorFunc = 1;
2521
858c9f6c
JS		 2522 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
2523 "Issue ACC PRLI: did:x%x flg:x%x",
2524 ndlp->nlp_DID, ndlp->nlp_flag, 0);
2525
dea3101e 2526 phba->fc_stat.elsXmitACC++;
858c9f6c 2527 elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
dea3101e 2528
dea3101e 2529 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
dea3101e 2530 if (rc == IOCB_ERROR) {
2531 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 2532 return 1;
dea3101e 2533 }
c9f8735b 2534 return 0;
dea3101e 2535}
2536
2537static int
2e0fef85 2538lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format,
329f9bc7 2539 struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp)
dea3101e 2540{
2e0fef85 2541 struct lpfc_hba *phba = vport->phba;
dea3101e 2542 RNID *rn;
2e0fef85 2543 IOCB_t *icmd, *oldcmd;
dea3101e 2544 struct lpfc_iocbq *elsiocb;
2545 struct lpfc_sli_ring *pring;
2546 struct lpfc_sli *psli;
2547 uint8_t *pcmd;
2548 uint16_t cmdsize;
2549 int rc;
2550
2551 psli = &phba->sli;
2552 pring = &psli->ring[LPFC_ELS_RING];
2553
92d7f7b0
JS		 2554 cmdsize = sizeof(uint32_t) + sizeof(uint32_t)
2555 + (2 * sizeof(struct lpfc_name));
dea3101e 2556 if (format)
92d7f7b0 2557 cmdsize += sizeof(RNID_TOP_DISC);
dea3101e 2558
2e0fef85
JS		 2559 elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp,
2560 ndlp->nlp_DID, ELS_CMD_ACC);
488d1469 2561 if (!elsiocb)
c9f8735b 2562 return 1;
dea3101e 2563
5b8bd0c9
JS		 2564 icmd = &elsiocb->iocb;
2565 oldcmd = &oldiocb->iocb;
2566 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
2567
dea3101e 2568 /* Xmit RNID ACC response tag <ulpIoTag> */
2569 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0 2570 "%d (%d):0132 Xmit RNID ACC response tag x%x "
5b8bd0c9 2571 "xri x%x\n",
92d7f7b0 2572 phba->brd_no, vport->vpi, elsiocb->iotag,
dea3101e 2573 elsiocb->iocb.ulpContext);
2574
dea3101e 2575 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
2576
2577 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
92d7f7b0 2578 pcmd += sizeof(uint32_t);
dea3101e 2579
92d7f7b0 2580 memset(pcmd, 0, sizeof(RNID));
dea3101e 2581 rn = (RNID *) (pcmd);
2582 rn->Format = format;
92d7f7b0
JS		 2583 rn->CommonLen = (2 * sizeof(struct lpfc_name));
2584 memcpy(&rn->portName, &vport->fc_portname, sizeof(struct lpfc_name));
2585 memcpy(&rn->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name));
dea3101e 2586 switch (format) {
2587 case 0:
2588 rn->SpecificLen = 0;
2589 break;
2590 case RNID_TOPOLOGY_DISC:
92d7f7b0 2591 rn->SpecificLen = sizeof(RNID_TOP_DISC);
dea3101e 2592 memcpy(&rn->un.topologyDisc.portName,
92d7f7b0 2593 &vport->fc_portname, sizeof(struct lpfc_name));
dea3101e 2594 rn->un.topologyDisc.unitType = RNID_HBA;
2595 rn->un.topologyDisc.physPort = 0;
2596 rn->un.topologyDisc.attachedNodes = 0;
2597 break;
2598 default:
2599 rn->CommonLen = 0;
2600 rn->SpecificLen = 0;
2601 break;
2602 }
2603
858c9f6c
JS		 2604 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
2605 "Issue ACC RNID: did:x%x flg:x%x",
2606 ndlp->nlp_DID, ndlp->nlp_flag, 0);
2607
dea3101e 2608 phba->fc_stat.elsXmitACC++;
858c9f6c 2609 elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
329f9bc7 2610 lpfc_nlp_put(ndlp);
dea3101e 2611 elsiocb->context1 = NULL; /* Don't need ndlp for cmpl,
2612 * it could be freed */
2613
dea3101e 2614 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
dea3101e 2615 if (rc == IOCB_ERROR) {
2616 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 2617 return 1;
dea3101e 2618 }
c9f8735b 2619 return 0;
dea3101e 2620}
2621
2622int
2e0fef85 2623lpfc_els_disc_adisc(struct lpfc_vport *vport)
dea3101e 2624{
2e0fef85 2625 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
dea3101e 2626 struct lpfc_nodelist *ndlp, *next_ndlp;
2e0fef85 2627 int sentadisc = 0;
dea3101e 2628
685f0bf7 2629 /* go thru NPR nodes and issue any remaining ELS ADISCs */
2e0fef85 2630 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
685f0bf7
JS		 2631 if (ndlp->nlp_state == NLP_STE_NPR_NODE &&
2632 (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 &&
2633 (ndlp->nlp_flag & NLP_NPR_ADISC) != 0) {
2e0fef85 2634 spin_lock_irq(shost->host_lock);
685f0bf7 2635 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
2e0fef85 2636 spin_unlock_irq(shost->host_lock);
685f0bf7 2637 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85
JS		 2638 lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE);
2639 lpfc_issue_els_adisc(vport, ndlp, 0);
685f0bf7 2640 sentadisc++;
2e0fef85
JS		 2641 vport->num_disc_nodes++;
2642 if (vport->num_disc_nodes >=
2643 vport->phba->cfg_discovery_threads) {
2644 spin_lock_irq(shost->host_lock);
2645 vport->fc_flag |= FC_NLP_MORE;
2646 spin_unlock_irq(shost->host_lock);
685f0bf7 2647 break;
dea3101e 2648 }
2649 }
2650 }
2651 if (sentadisc == 0) {
2e0fef85
JS		 2652 spin_lock_irq(shost->host_lock);
2653 vport->fc_flag &= ~FC_NLP_MORE;
2654 spin_unlock_irq(shost->host_lock);
dea3101e 2655 }
2fe165b6 2656 return sentadisc;
dea3101e 2657}
2658
2659int
2e0fef85 2660lpfc_els_disc_plogi(struct lpfc_vport *vport)
dea3101e 2661{
2e0fef85 2662 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
dea3101e 2663 struct lpfc_nodelist *ndlp, *next_ndlp;
2e0fef85 2664 int sentplogi = 0;
dea3101e 2665
2e0fef85
JS		 2666 /* go thru NPR nodes and issue any remaining ELS PLOGIs */
2667 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
685f0bf7
JS		 2668 if (ndlp->nlp_state == NLP_STE_NPR_NODE &&
2669 (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 &&
2670 (ndlp->nlp_flag & NLP_DELAY_TMO) == 0 &&
2671 (ndlp->nlp_flag & NLP_NPR_ADISC) == 0) {
2672 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85
JS		 2673 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
2674 lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0);
685f0bf7 2675 sentplogi++;
2e0fef85
JS		 2676 vport->num_disc_nodes++;
2677 if (vport->num_disc_nodes >=
2678 vport->phba->cfg_discovery_threads) {
2679 spin_lock_irq(shost->host_lock);
2680 vport->fc_flag |= FC_NLP_MORE;
2681 spin_unlock_irq(shost->host_lock);
685f0bf7 2682 break;
dea3101e 2683 }
2684 }
2685 }
2686 if (sentplogi == 0) {
2e0fef85
JS		 2687 spin_lock_irq(shost->host_lock);
2688 vport->fc_flag &= ~FC_NLP_MORE;
2689 spin_unlock_irq(shost->host_lock);
dea3101e 2690 }
2fe165b6 2691 return sentplogi;
dea3101e 2692}
2693
92d7f7b0 2694void
2e0fef85 2695lpfc_els_flush_rscn(struct lpfc_vport *vport)
dea3101e 2696{
2e0fef85
JS		 2697 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2698 struct lpfc_hba *phba = vport->phba;
dea3101e 2699 int i;
2700
2e0fef85 2701 for (i = 0; i < vport->fc_rscn_id_cnt; i++) {
92d7f7b0 2702 lpfc_in_buf_free(phba, vport->fc_rscn_id_list[i]);
2e0fef85 2703 vport->fc_rscn_id_list[i] = NULL;
dea3101e 2704 }
2e0fef85
JS		 2705 spin_lock_irq(shost->host_lock);
2706 vport->fc_rscn_id_cnt = 0;
2707 vport->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY);
2708 spin_unlock_irq(shost->host_lock);
2709 lpfc_can_disctmo(vport);
dea3101e 2710}
2711
2712int
2e0fef85 2713lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
dea3101e 2714{
2715 D_ID ns_did;
2716 D_ID rscn_did;
dea3101e 2717 uint32_t *lp;
92d7f7b0 2718 uint32_t payload_len, i;
2e0fef85 2719 struct lpfc_hba *phba = vport->phba;
dea3101e 2720
2721 ns_did.un.word = did;
dea3101e 2722
2723 /* Never match fabric nodes for RSCNs */
2724 if ((did & Fabric_DID_MASK) == Fabric_DID_MASK)
2e0fef85 2725 return 0;
dea3101e 2726
2727 /* If we are doing a FULL RSCN rediscovery, match everything */
2e0fef85 2728 if (vport->fc_flag & FC_RSCN_DISCOVERY)
c9f8735b 2729 return did;
dea3101e 2730
2e0fef85 2731 for (i = 0; i < vport->fc_rscn_id_cnt; i++) {
92d7f7b0
JS		 2732 lp = vport->fc_rscn_id_list[i]->virt;
2733 payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK);
2734 payload_len -= sizeof(uint32_t); /* take off word 0 */
dea3101e 2735 while (payload_len) {
92d7f7b0
JS		 2736 rscn_did.un.word = be32_to_cpu(*lp++);
2737 payload_len -= sizeof(uint32_t);
dea3101e 2738 switch (rscn_did.un.b.resv) {
2739 case 0: /* Single N_Port ID effected */
2e0fef85 2740 if (ns_did.un.word == rscn_did.un.word)
92d7f7b0 2741 return did;
dea3101e 2742 break;
2743 case 1: /* Whole N_Port Area effected */
2744 if ((ns_did.un.b.domain == rscn_did.un.b.domain)
2745 && (ns_did.un.b.area == rscn_did.un.b.area))
92d7f7b0 2746 return did;
dea3101e 2747 break;
2748 case 2: /* Whole N_Port Domain effected */
2749 if (ns_did.un.b.domain == rscn_did.un.b.domain)
92d7f7b0 2750 return did;
dea3101e 2751 break;
2752 default:
2e0fef85 2753 /* Unknown Identifier in RSCN node */
dea3101e 2754 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
92d7f7b0
JS		 2755 "%d (%d):0217 Unknown "
2756 "Identifier in RSCN payload "
2757 "Data: x%x\n",
2758 phba->brd_no, vport->vpi,
2759 rscn_did.un.word);
2760 case 3: /* Whole Fabric effected */
2761 return did;
dea3101e 2762 }
2763 }
92d7f7b0
JS		 2764 }
2765 return 0;
dea3101e 2766}
2767
2768static int
2e0fef85 2769lpfc_rscn_recovery_check(struct lpfc_vport *vport)
dea3101e 2770{
685f0bf7 2771 struct lpfc_nodelist *ndlp = NULL;
dea3101e 2772
2773 /* Look at all nodes effected by pending RSCNs and move
685f0bf7 2774 * them to NPR state.
dea3101e 2775 */
dea3101e 2776
2e0fef85 2777 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
685f0bf7 2778 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE ||
2e0fef85 2779 lpfc_rscn_payload_check(vport, ndlp->nlp_DID) == 0)
685f0bf7 2780 continue;
dea3101e 2781
2e0fef85 2782 lpfc_disc_state_machine(vport, ndlp, NULL,
92d7f7b0 2783 NLP_EVT_DEVICE_RECOVERY);
5024ab17 2784
685f0bf7
JS		 2785 /*
2786 * Make sure NLP_DELAY_TMO is NOT running after a device
2787 * recovery event.
2788 */
2789 if (ndlp->nlp_flag & NLP_DELAY_TMO)
2e0fef85 2790 lpfc_cancel_retry_delay_tmo(vport, ndlp);
dea3101e 2791 }
685f0bf7 2792
c9f8735b 2793 return 0;
dea3101e 2794}
2795
2796static int
2e0fef85
JS		 2797lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
2798 struct lpfc_nodelist *ndlp, uint8_t newnode)
dea3101e 2799{
2e0fef85
JS		 2800 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2801 struct lpfc_hba *phba = vport->phba;
dea3101e 2802 struct lpfc_dmabuf *pcmd;
92d7f7b0
JS		 2803 struct lpfc_vport *next_vport;
2804 uint32_t *lp, *datap;
dea3101e 2805 IOCB_t *icmd;
92d7f7b0
JS		 2806 uint32_t payload_len, length, nportid, *cmd;
2807 int rscn_cnt = vport->fc_rscn_id_cnt;
2808 int rscn_id = 0, hba_id = 0;
d2873e4c 2809 int i;
dea3101e 2810
2811 icmd = &cmdiocb->iocb;
2812 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2813 lp = (uint32_t *) pcmd->virt;
2814
92d7f7b0
JS		 2815 payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK);
2816 payload_len -= sizeof(uint32_t); /* take off word 0 */
dea3101e 2817
2818 /* RSCN received */
ed957684 2819 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
92d7f7b0
JS		 2820 "%d (%d):0214 RSCN received Data: x%x x%x x%x x%x\n",
2821 phba->brd_no, vport->vpi, vport->fc_flag, payload_len,
2822 *lp, rscn_cnt);
dea3101e 2823
d2873e4c 2824 for (i = 0; i < payload_len/sizeof(uint32_t); i++)
2e0fef85 2825 fc_host_post_event(shost, fc_get_event_number(),
d2873e4c
JS		 2826 FCH_EVT_RSCN, lp[i]);
2827
dea3101e 2828 /* If we are about to begin discovery, just ACC the RSCN.
2829 * Discovery processing will satisfy it.
2830 */
2e0fef85 2831 if (vport->port_state <= LPFC_NS_QRY) {
858c9f6c
JS		 2832 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
2833 "RCV RSCN ignore: did:x%x/ste:x%x flg:x%x",
2834 ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag);
2835
2e0fef85 2836 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL,
92d7f7b0 2837 newnode);
c9f8735b 2838 return 0;
dea3101e 2839 }
2840
92d7f7b0
JS		 2841 /* If this RSCN just contains NPortIDs for other vports on this HBA,
2842 * just ACC and ignore it.
2843 */
2844 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
2845 !(phba->cfg_peer_port_login)) {
2846 i = payload_len;
2847 datap = lp;
2848 while (i > 0) {
2849 nportid = *datap++;
2850 nportid = ((be32_to_cpu(nportid)) & Mask_DID);
2851 i -= sizeof(uint32_t);
2852 rscn_id++;
2853 list_for_each_entry(next_vport, &phba->port_list,
2854 listentry) {
2855 if (nportid == next_vport->fc_myDID) {
2856 hba_id++;
2857 break;
2858 }
2859 }
2860 }
2861 if (rscn_id == hba_id) {
2862 /* ALL NPortIDs in RSCN are on HBA */
2863 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
2864 "%d (%d):0214 Ignore RSCN Data: x%x x%x x%x x%x\n",
2865 phba->brd_no, vport->vpi, vport->fc_flag, payload_len,
2866 *lp, rscn_cnt);
858c9f6c
JS		 2867
2868 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
2869 "RCV RSCN vport: did:x%x/ste:x%x flg:x%x",
2870 ndlp->nlp_DID, vport->port_state,
2871 ndlp->nlp_flag);
2872
92d7f7b0
JS		 2873 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb,
2874 ndlp, NULL, newnode);
2875 return 0;
2876 }
2877 }
2878
dea3101e 2879 /* If we are already processing an RSCN, save the received
2880 * RSCN payload buffer, cmdiocb->context2 to process later.
2881 */
2e0fef85 2882 if (vport->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) {
858c9f6c
JS		 2883 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
2884 "RCV RSCN defer: did:x%x/ste:x%x flg:x%x",
2885 ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag);
2886
92d7f7b0
JS		 2887 vport->fc_flag |= FC_RSCN_DEFERRED;
2888 if ((rscn_cnt < FC_MAX_HOLD_RSCN) &&
2e0fef85
JS		 2889 !(vport->fc_flag & FC_RSCN_DISCOVERY)) {
2890 spin_lock_irq(shost->host_lock);
2891 vport->fc_flag |= FC_RSCN_MODE;
2892 spin_unlock_irq(shost->host_lock);
92d7f7b0
JS		 2893 if (rscn_cnt) {
2894 cmd = vport->fc_rscn_id_list[rscn_cnt-1]->virt;
2895 length = be32_to_cpu(*cmd & ~ELS_CMD_MASK);
2896 }
2897 if ((rscn_cnt) &&
2898 (payload_len + length <= LPFC_BPL_SIZE)) {
2899 *cmd &= ELS_CMD_MASK;
2900 *cmd |= be32_to_cpu(payload_len + length);
2901 memcpy(((uint8_t *)cmd) + length, lp,
2902 payload_len);
2903 } else {
2904 vport->fc_rscn_id_list[rscn_cnt] = pcmd;
2905 vport->fc_rscn_id_cnt++;
2906 /* If we zero, cmdiocb->context2, the calling
2907 * routine will not try to free it.
2908 */
2909 cmdiocb->context2 = NULL;
2910 }
dea3101e 2911
2912 /* Deferred RSCN */
2913 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
92d7f7b0 2914 "%d (%d):0235 Deferred RSCN "
dea3101e 2915 "Data: x%x x%x x%x\n",
92d7f7b0
JS		 2916 phba->brd_no, vport->vpi,
2917 vport->fc_rscn_id_cnt, vport->fc_flag,
2e0fef85 2918 vport->port_state);
dea3101e 2919 } else {
2e0fef85
JS		 2920 spin_lock_irq(shost->host_lock);
2921 vport->fc_flag |= FC_RSCN_DISCOVERY;
2922 spin_unlock_irq(shost->host_lock);
dea3101e 2923 /* ReDiscovery RSCN */
2924 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
92d7f7b0 2925 "%d (%d):0234 ReDiscovery RSCN "
dea3101e 2926 "Data: x%x x%x x%x\n",
92d7f7b0
JS		 2927 phba->brd_no, vport->vpi,
2928 vport->fc_rscn_id_cnt, vport->fc_flag,
2e0fef85 2929 vport->port_state);
dea3101e 2930 }
2931 /* Send back ACC */
2e0fef85 2932 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL,
dea3101e 2933 newnode);
2934
2935 /* send RECOVERY event for ALL nodes that match RSCN payload */
2e0fef85 2936 lpfc_rscn_recovery_check(vport);
92d7f7b0 2937 vport->fc_flag &= ~FC_RSCN_DEFERRED;
c9f8735b 2938 return 0;
dea3101e 2939 }
2940
858c9f6c
JS		 2941 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
2942 "RCV RSCN: did:x%x/ste:x%x flg:x%x",
2943 ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag);
2944
2e0fef85
JS		 2945 spin_lock_irq(shost->host_lock);
2946 vport->fc_flag |= FC_RSCN_MODE;
2947 spin_unlock_irq(shost->host_lock);
2948 vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd;
dea3101e 2949 /*
2950 * If we zero, cmdiocb->context2, the calling routine will
2951 * not try to free it.
2952 */
2953 cmdiocb->context2 = NULL;
2954
2e0fef85 2955 lpfc_set_disctmo(vport);
dea3101e 2956
2957 /* Send back ACC */
2e0fef85 2958 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, newnode);
dea3101e 2959
2960 /* send RECOVERY event for ALL nodes that match RSCN payload */
2e0fef85 2961 lpfc_rscn_recovery_check(vport);
dea3101e 2962
2e0fef85 2963 return lpfc_els_handle_rscn(vport);
dea3101e 2964}
2965
2966int
2e0fef85 2967lpfc_els_handle_rscn(struct lpfc_vport *vport)
dea3101e 2968{
2969 struct lpfc_nodelist *ndlp;
2e0fef85 2970 struct lpfc_hba *phba = vport->phba;
dea3101e 2971
92d7f7b0
JS		 2972 /* Ignore RSCN if the port is being torn down. */
2973 if (vport->load_flag & FC_UNLOADING) {
2974 lpfc_els_flush_rscn(vport);
2975 return 0;
2976 }
2977
dea3101e 2978 /* Start timer for RSCN processing */
2e0fef85 2979 lpfc_set_disctmo(vport);
dea3101e 2980
2981 /* RSCN processed */
ed957684 2982 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
92d7f7b0
JS		 2983 "%d (%d):0215 RSCN processed Data: x%x x%x x%x x%x\n",
2984 phba->brd_no, vport->vpi,
2e0fef85
JS		 2985 vport->fc_flag, 0, vport->fc_rscn_id_cnt,
2986 vport->port_state);
dea3101e 2987
2988 /* To process RSCN, first compare RSCN data with NameServer */
2e0fef85
JS		 2989 vport->fc_ns_retry = 0;
2990 ndlp = lpfc_findnode_did(vport, NameServer_DID);
685f0bf7 2991 if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
dea3101e 2992 /* Good ndlp, issue CT Request to NameServer */
92d7f7b0 2993 if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0)
dea3101e 2994 /* Wait for NameServer query cmpl before we can
2995 continue */
c9f8735b 2996 return 1;
dea3101e 2997 } else {
2998 /* If login to NameServer does not exist, issue one */
2999 /* Good status, issue PLOGI to NameServer */
2e0fef85
JS		 3000 ndlp = lpfc_findnode_did(vport, NameServer_DID);
3001 if (ndlp)
dea3101e 3002 /* Wait for NameServer login cmpl before we can
3003 continue */
c9f8735b 3004 return 1;
2e0fef85 3005
c9f8735b
JW		 3006 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
3007 if (!ndlp) {
2e0fef85 3008 lpfc_els_flush_rscn(vport);
c9f8735b 3009 return 0;
dea3101e 3010 } else {
2e0fef85 3011 lpfc_nlp_init(vport, ndlp, NameServer_DID);
dea3101e 3012 ndlp->nlp_type |= NLP_FABRIC;
5024ab17 3013 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85
JS		 3014 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
3015 lpfc_issue_els_plogi(vport, NameServer_DID, 0);
dea3101e 3016 /* Wait for NameServer login cmpl before we can
3017 continue */
c9f8735b 3018 return 1;
dea3101e 3019 }
3020 }
3021
2e0fef85 3022 lpfc_els_flush_rscn(vport);
c9f8735b 3023 return 0;
dea3101e 3024}
3025
3026static int
2e0fef85
JS		 3027lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3028 struct lpfc_nodelist *ndlp, uint8_t newnode)
dea3101e 3029{
2e0fef85
JS		 3030 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3031 struct lpfc_hba *phba = vport->phba;
dea3101e 3032 struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
3033 uint32_t *lp = (uint32_t *) pcmd->virt;
3034 IOCB_t *icmd = &cmdiocb->iocb;
3035 struct serv_parm *sp;
3036 LPFC_MBOXQ_t *mbox;
3037 struct ls_rjt stat;
3038 uint32_t cmd, did;
3039 int rc;
3040
3041 cmd = *lp++;
3042 sp = (struct serv_parm *) lp;
3043
3044 /* FLOGI received */
3045
2e0fef85 3046 lpfc_set_disctmo(vport);
dea3101e 3047
3048 if (phba->fc_topology == TOPOLOGY_LOOP) {
3049 /* We should never receive a FLOGI in loop mode, ignore it */
3050 did = icmd->un.elsreq64.remoteID;
3051
3052 /* An FLOGI ELS command <elsCmd> was received from DID <did> in
3053 Loop Mode */
3054 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
92d7f7b0
JS		 3055 "%d (%d):0113 An FLOGI ELS command x%x was "
3056 "received from DID x%x in Loop Mode\n",
3057 phba->brd_no, vport->vpi, cmd, did);
c9f8735b 3058 return 1;
dea3101e 3059 }
3060
3061 did = Fabric_DID;
3062
2e0fef85 3063 if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3))) {
dea3101e 3064 /* For a FLOGI we accept, then if our portname is greater
3065 * then the remote portname we initiate Nport login.
3066 */
3067
2e0fef85 3068 rc = memcmp(&vport->fc_portname, &sp->portName,
92d7f7b0 3069 sizeof(struct lpfc_name));
dea3101e 3070
3071 if (!rc) {
2e0fef85
JS		 3072 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3073 if (!mbox)
c9f8735b 3074 return 1;
2e0fef85 3075
dea3101e 3076 lpfc_linkdown(phba);
3077 lpfc_init_link(phba, mbox,
3078 phba->cfg_topology,
3079 phba->cfg_link_speed);
3080 mbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
3081 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
ed957684 3082 mbox->vport = vport;
dea3101e 3083 rc = lpfc_sli_issue_mbox
3084 (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
5b8bd0c9 3085 lpfc_set_loopback_flag(phba);
dea3101e 3086 if (rc == MBX_NOT_FINISHED) {
329f9bc7 3087 mempool_free(mbox, phba->mbox_mem_pool);
dea3101e 3088 }
c9f8735b 3089 return 1;
2fe165b6 3090 } else if (rc > 0) { /* greater than */
2e0fef85
JS		 3091 spin_lock_irq(shost->host_lock);
3092 vport->fc_flag |= FC_PT2PT_PLOGI;
3093 spin_unlock_irq(shost->host_lock);
dea3101e 3094 }
2e0fef85
JS		 3095 spin_lock_irq(shost->host_lock);
3096 vport->fc_flag |= FC_PT2PT;
3097 vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
3098 spin_unlock_irq(shost->host_lock);
dea3101e 3099 } else {
3100 /* Reject this request because invalid parameters */
3101 stat.un.b.lsRjtRsvd0 = 0;
3102 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3103 stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS;
3104 stat.un.b.vendorUnique = 0;
858c9f6c
JS		 3105 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
3106 NULL);
c9f8735b 3107 return 1;
dea3101e 3108 }
3109
3110 /* Send back ACC */
2e0fef85 3111 lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, newnode);
dea3101e 3112
c9f8735b 3113 return 0;
dea3101e 3114}
3115
3116static int
2e0fef85
JS		 3117lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3118 struct lpfc_nodelist *ndlp)
dea3101e 3119{
3120 struct lpfc_dmabuf *pcmd;
3121 uint32_t *lp;
3122 IOCB_t *icmd;
3123 RNID *rn;
3124 struct ls_rjt stat;
3125 uint32_t cmd, did;
3126
3127 icmd = &cmdiocb->iocb;
3128 did = icmd->un.elsreq64.remoteID;
3129 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
3130 lp = (uint32_t *) pcmd->virt;
3131
3132 cmd = *lp++;
3133 rn = (RNID *) lp;
3134
3135 /* RNID received */
3136
3137 switch (rn->Format) {
3138 case 0:
3139 case RNID_TOPOLOGY_DISC:
3140 /* Send back ACC */
2e0fef85 3141 lpfc_els_rsp_rnid_acc(vport, rn->Format, cmdiocb, ndlp);
dea3101e 3142 break;
3143 default:
3144 /* Reject this request because format not supported */
3145 stat.un.b.lsRjtRsvd0 = 0;
3146 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3147 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
3148 stat.un.b.vendorUnique = 0;
858c9f6c
JS		 3149 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
3150 NULL);
dea3101e 3151 }
c9f8735b 3152 return 0;
dea3101e 3153}
3154
3155static int
2e0fef85
JS		 3156lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3157 struct lpfc_nodelist *ndlp)
7bb3b137
JW		 3158{
3159 struct ls_rjt stat;
3160
3161 /* For now, unconditionally reject this command */
3162 stat.un.b.lsRjtRsvd0 = 0;
3163 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3164 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
3165 stat.un.b.vendorUnique = 0;
858c9f6c 3166 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
7bb3b137
JW		 3167 return 0;
3168}
3169
082c0266 3170static void
329f9bc7 3171lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
7bb3b137 3172{
2e0fef85
JS		 3173 struct lpfc_sli *psli = &phba->sli;
3174 struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
7bb3b137
JW		 3175 MAILBOX_t *mb;
3176 IOCB_t *icmd;
3177 RPS_RSP *rps_rsp;
3178 uint8_t *pcmd;
3179 struct lpfc_iocbq *elsiocb;
3180 struct lpfc_nodelist *ndlp;
3181 uint16_t xri, status;
3182 uint32_t cmdsize;
3183
7bb3b137
JW		 3184 mb = &pmb->mb;
3185
3186 ndlp = (struct lpfc_nodelist *) pmb->context2;
3187 xri = (uint16_t) ((unsigned long)(pmb->context1));
041976fb
RD		 3188 pmb->context1 = NULL;
3189 pmb->context2 = NULL;
7bb3b137
JW		 3190
3191 if (mb->mbxStatus) {
329f9bc7 3192 mempool_free(pmb, phba->mbox_mem_pool);
7bb3b137
JW		 3193 return;
3194 }
3195
3196 cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t);
329f9bc7 3197 mempool_free(pmb, phba->mbox_mem_pool);
2e0fef85
JS		 3198 elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize,
3199 lpfc_max_els_tries, ndlp,
3200 ndlp->nlp_DID, ELS_CMD_ACC);
329f9bc7 3201 lpfc_nlp_put(ndlp);
c9f8735b 3202 if (!elsiocb)
7bb3b137 3203 return;
7bb3b137
JW		 3204
3205 icmd = &elsiocb->iocb;
3206 icmd->ulpContext = xri;
3207
3208 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
3209 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
92d7f7b0 3210 pcmd += sizeof(uint32_t); /* Skip past command */
7bb3b137
JW		 3211 rps_rsp = (RPS_RSP *)pcmd;
3212
3213 if (phba->fc_topology != TOPOLOGY_LOOP)
3214 status = 0x10;
3215 else
3216 status = 0x8;
2e0fef85 3217 if (phba->pport->fc_flag & FC_FABRIC)
7bb3b137
JW		 3218 status |= 0x4;
3219
3220 rps_rsp->rsvd1 = 0;
3221 rps_rsp->portStatus = be16_to_cpu(status);
3222 rps_rsp->linkFailureCnt = be32_to_cpu(mb->un.varRdLnk.linkFailureCnt);
3223 rps_rsp->lossSyncCnt = be32_to_cpu(mb->un.varRdLnk.lossSyncCnt);
3224 rps_rsp->lossSignalCnt = be32_to_cpu(mb->un.varRdLnk.lossSignalCnt);
3225 rps_rsp->primSeqErrCnt = be32_to_cpu(mb->un.varRdLnk.primSeqErrCnt);
3226 rps_rsp->invalidXmitWord = be32_to_cpu(mb->un.varRdLnk.invalidXmitWord);
3227 rps_rsp->crcCnt = be32_to_cpu(mb->un.varRdLnk.crcCnt);
3228
3229 /* Xmit ELS RPS ACC response tag <ulpIoTag> */
3230 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0
JS		 3231 "%d (%d):0118 Xmit ELS RPS ACC response tag x%x "
3232 "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, "
3233 "rpi x%x\n",
3234 phba->brd_no, ndlp->vport->vpi, elsiocb->iotag,
7bb3b137
JW		 3235 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
3236 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
3237
858c9f6c 3238 elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
7bb3b137 3239 phba->fc_stat.elsXmitACC++;
ed957684 3240 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR)
7bb3b137 3241 lpfc_els_free_iocb(phba, elsiocb);
7bb3b137
JW		 3242 return;
3243}
3244
3245static int
2e0fef85
JS		 3246lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3247 struct lpfc_nodelist *ndlp)
dea3101e 3248{
2e0fef85 3249 struct lpfc_hba *phba = vport->phba;
dea3101e 3250 uint32_t *lp;
7bb3b137
JW		 3251 uint8_t flag;
3252 LPFC_MBOXQ_t *mbox;
3253 struct lpfc_dmabuf *pcmd;
3254 RPS *rps;
3255 struct ls_rjt stat;
3256
2fe165b6
JW		 3257 if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
3258 (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
7bb3b137
JW		 3259 stat.un.b.lsRjtRsvd0 = 0;
3260 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3261 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
3262 stat.un.b.vendorUnique = 0;
858c9f6c
JS		 3263 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
3264 NULL);
7bb3b137
JW		 3265 }
3266
3267 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
3268 lp = (uint32_t *) pcmd->virt;
3269 flag = (be32_to_cpu(*lp++) & 0xf);
3270 rps = (RPS *) lp;
3271
3272 if ((flag == 0) ||
3273 ((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) ||
2e0fef85 3274 ((flag == 2) && (memcmp(&rps->un.portName, &vport->fc_portname,
92d7f7b0 3275 sizeof(struct lpfc_name)) == 0))) {
2e0fef85 3276
92d7f7b0
JS		 3277 printk("Fix me....\n");
3278 dump_stack();
2e0fef85
JS		 3279 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC);
3280 if (mbox) {
7bb3b137
JW		 3281 lpfc_read_lnk_stat(phba, mbox);
3282 mbox->context1 =
92d7f7b0 3283 (void *)((unsigned long) cmdiocb->iocb.ulpContext);
329f9bc7 3284 mbox->context2 = lpfc_nlp_get(ndlp);
92d7f7b0 3285 mbox->vport = vport;
7bb3b137
JW		 3286 mbox->mbox_cmpl = lpfc_els_rsp_rps_acc;
3287 if (lpfc_sli_issue_mbox (phba, mbox,
2e0fef85 3288 (MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED)
7bb3b137
JW		 3289 /* Mbox completion will send ELS Response */
3290 return 0;
2e0fef85 3291
329f9bc7 3292 lpfc_nlp_put(ndlp);
7bb3b137
JW		 3293 mempool_free(mbox, phba->mbox_mem_pool);
3294 }
3295 }
3296 stat.un.b.lsRjtRsvd0 = 0;
3297 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3298 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
3299 stat.un.b.vendorUnique = 0;
858c9f6c 3300 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
7bb3b137
JW		 3301 return 0;
3302}
3303
082c0266 3304static int
2e0fef85
JS		 3305lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize,
3306 struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp)
7bb3b137 3307{
2e0fef85
JS		 3308 struct lpfc_hba *phba = vport->phba;
3309 IOCB_t *icmd, *oldcmd;
7bb3b137
JW		 3310 RPL_RSP rpl_rsp;
3311 struct lpfc_iocbq *elsiocb;
2e0fef85
JS		 3312 struct lpfc_sli *psli = &phba->sli;
3313 struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
7bb3b137 3314 uint8_t *pcmd;
dea3101e 3315
2e0fef85
JS		 3316 elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp,
3317 ndlp->nlp_DID, ELS_CMD_ACC);
7bb3b137 3318
488d1469 3319 if (!elsiocb)
7bb3b137 3320 return 1;
488d1469 3321
7bb3b137
JW		 3322 icmd = &elsiocb->iocb;
3323 oldcmd = &oldiocb->iocb;
3324 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
3325
3326 pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
3327 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
92d7f7b0 3328 pcmd += sizeof(uint16_t);
7bb3b137
JW		 3329 *((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize);
3330 pcmd += sizeof(uint16_t);
3331
3332 /* Setup the RPL ACC payload */
3333 rpl_rsp.listLen = be32_to_cpu(1);
3334 rpl_rsp.index = 0;
3335 rpl_rsp.port_num_blk.portNum = 0;
2e0fef85
JS		 3336 rpl_rsp.port_num_blk.portID = be32_to_cpu(vport->fc_myDID);
3337 memcpy(&rpl_rsp.port_num_blk.portName, &vport->fc_portname,
7bb3b137
JW		 3338 sizeof(struct lpfc_name));
3339
3340 memcpy(pcmd, &rpl_rsp, cmdsize - sizeof(uint32_t));
3341
3342
3343 /* Xmit ELS RPL ACC response tag <ulpIoTag> */
3344 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0
JS		 3345 "%d (%d):0120 Xmit ELS RPL ACC response tag x%x "
3346 "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, "
3347 "rpi x%x\n",
3348 phba->brd_no, vport->vpi, elsiocb->iotag,
7bb3b137
JW		 3349 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
3350 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
3351
858c9f6c 3352 elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
7bb3b137
JW		 3353
3354 phba->fc_stat.elsXmitACC++;
3355 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
3356 lpfc_els_free_iocb(phba, elsiocb);
3357 return 1;
3358 }
3359 return 0;
3360}
3361
3362static int
2e0fef85
JS		 3363lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3364 struct lpfc_nodelist *ndlp)
7bb3b137
JW		 3365{
3366 struct lpfc_dmabuf *pcmd;
3367 uint32_t *lp;
3368 uint32_t maxsize;
3369 uint16_t cmdsize;
3370 RPL *rpl;
3371 struct ls_rjt stat;
3372
2fe165b6
JW		 3373 if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
3374 (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
7bb3b137
JW		 3375 stat.un.b.lsRjtRsvd0 = 0;
3376 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3377 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
3378 stat.un.b.vendorUnique = 0;
858c9f6c
JS		 3379 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
3380 NULL);
7bb3b137
JW		 3381 }
3382
dea3101e 3383 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
3384 lp = (uint32_t *) pcmd->virt;
7bb3b137 3385 rpl = (RPL *) (lp + 1);
dea3101e 3386
7bb3b137 3387 maxsize = be32_to_cpu(rpl->maxsize);
dea3101e 3388
7bb3b137
JW		 3389 /* We support only one port */
3390 if ((rpl->index == 0) &&
3391 ((maxsize == 0) ||
3392 ((maxsize * sizeof(uint32_t)) >= sizeof(RPL_RSP)))) {
3393 cmdsize = sizeof(uint32_t) + sizeof(RPL_RSP);
2fe165b6 3394 } else {
7bb3b137
JW		 3395 cmdsize = sizeof(uint32_t) + maxsize * sizeof(uint32_t);
3396 }
2e0fef85 3397 lpfc_els_rsp_rpl_acc(vport, cmdsize, cmdiocb, ndlp);
dea3101e 3398
3399 return 0;
3400}
3401
3402static int
2e0fef85
JS		 3403lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3404 struct lpfc_nodelist *ndlp)
dea3101e 3405{
2e0fef85 3406 struct lpfc_hba *phba = vport->phba;
dea3101e 3407 struct lpfc_dmabuf *pcmd;
3408 uint32_t *lp;
3409 IOCB_t *icmd;
3410 FARP *fp;
3411 uint32_t cmd, cnt, did;
3412
3413 icmd = &cmdiocb->iocb;
3414 did = icmd->un.elsreq64.remoteID;
3415 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
3416 lp = (uint32_t *) pcmd->virt;
3417
3418 cmd = *lp++;
3419 fp = (FARP *) lp;
3420
3421 /* FARP-REQ received from DID <did> */
ed957684 3422 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0
JS		 3423 "%d (%d):0601 FARP-REQ received from DID x%x\n",
3424 phba->brd_no, vport->vpi, did);
dea3101e 3425
3426 /* We will only support match on WWPN or WWNN */
3427 if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) {
c9f8735b 3428 return 0;
dea3101e 3429 }
3430
3431 cnt = 0;
3432 /* If this FARP command is searching for my portname */
3433 if (fp->Mflags & FARP_MATCH_PORT) {
2e0fef85 3434 if (memcmp(&fp->RportName, &vport->fc_portname,
92d7f7b0 3435 sizeof(struct lpfc_name)) == 0)
dea3101e 3436 cnt = 1;
3437 }
3438
3439 /* If this FARP command is searching for my nodename */
3440 if (fp->Mflags & FARP_MATCH_NODE) {
2e0fef85 3441 if (memcmp(&fp->RnodeName, &vport->fc_nodename,
92d7f7b0 3442 sizeof(struct lpfc_name)) == 0)
dea3101e 3443 cnt = 1;
3444 }
3445
3446 if (cnt) {
3447 if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) ||
3448 (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) {
3449 /* Log back into the node before sending the FARP. */
3450 if (fp->Rflags & FARP_REQUEST_PLOGI) {
5024ab17 3451 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85 3452 lpfc_nlp_set_state(vport, ndlp,
de0c5b32 3453 NLP_STE_PLOGI_ISSUE);
2e0fef85 3454 lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0);
dea3101e 3455 }
3456
3457 /* Send a FARP response to that node */
2e0fef85
JS		 3458 if (fp->Rflags & FARP_REQUEST_FARPR)
3459 lpfc_issue_els_farpr(vport, did, 0);
dea3101e 3460 }
3461 }
c9f8735b 3462 return 0;
dea3101e 3463}
3464
3465static int
2e0fef85
JS		 3466lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3467 struct lpfc_nodelist *ndlp)
dea3101e 3468{
3469 struct lpfc_dmabuf *pcmd;
3470 uint32_t *lp;
3471 IOCB_t *icmd;
3472 uint32_t cmd, did;
2e0fef85 3473 struct lpfc_hba *phba = vport->phba;
dea3101e 3474
3475 icmd = &cmdiocb->iocb;
3476 did = icmd->un.elsreq64.remoteID;
3477 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
3478 lp = (uint32_t *) pcmd->virt;
3479
3480 cmd = *lp++;
3481 /* FARP-RSP received from DID <did> */
ed957684 3482 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0
JS		 3483 "%d (%d):0600 FARP-RSP received from DID x%x\n",
3484 phba->brd_no, vport->vpi, did);
dea3101e 3485 /* ACCEPT the Farp resp request */
2e0fef85 3486 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
dea3101e 3487
3488 return 0;
3489}
3490
3491static int
2e0fef85
JS		 3492lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3493 struct lpfc_nodelist *fan_ndlp)
dea3101e 3494{
3495 struct lpfc_dmabuf *pcmd;
3496 uint32_t *lp;
3497 IOCB_t *icmd;
dea3101e 3498 uint32_t cmd, did;
5024ab17
JW		 3499 FAN *fp;
3500 struct lpfc_nodelist *ndlp, *next_ndlp;
2e0fef85 3501 struct lpfc_hba *phba = vport->phba;
5024ab17
JW		 3502
3503 /* FAN received */
ed957684 3504 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0
JS		 3505 "%d (%d):0265 FAN received\n",
3506 phba->brd_no, vport->vpi);
dea3101e 3507
3508 icmd = &cmdiocb->iocb;
3509 did = icmd->un.elsreq64.remoteID;
5024ab17
JW		 3510 pcmd = (struct lpfc_dmabuf *)cmdiocb->context2;
3511 lp = (uint32_t *)pcmd->virt;
dea3101e 3512
3513 cmd = *lp++;
92d7f7b0 3514 fp = (FAN *) lp;
dea3101e 3515
5024ab17 3516 /* FAN received; Fan does not have a reply sequence */
dea3101e 3517
2e0fef85 3518 if (phba->pport->port_state == LPFC_LOCAL_CFG_LINK) {
5024ab17
JW		 3519 if ((memcmp(&phba->fc_fabparam.nodeName, &fp->FnodeName,
3520 sizeof(struct lpfc_name)) != 0) ||
3521 (memcmp(&phba->fc_fabparam.portName, &fp->FportName,
3522 sizeof(struct lpfc_name)) != 0)) {
3523 /*
3524 * This node has switched fabrics. FLOGI is required
3525 * Clean up the old rpi's
dea3101e 3526 */
5024ab17
JW		 3527
3528 list_for_each_entry_safe(ndlp, next_ndlp,
2e0fef85 3529 &vport->fc_nodes, nlp_listp) {
685f0bf7
JS		 3530 if (ndlp->nlp_state != NLP_STE_NPR_NODE)
3531 continue;
5024ab17
JW		 3532 if (ndlp->nlp_type & NLP_FABRIC) {
3533 /*
3534 * Clean up old Fabric, Nameserver and
3535 * other NLP_FABRIC logins
3536 */
2e0fef85 3537 lpfc_drop_node(vport, ndlp);
2fe165b6 3538 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
5024ab17
JW		 3539 /* Fail outstanding I/O now since this
3540 * device is marked for PLOGI
3541 */
2e0fef85 3542 lpfc_unreg_rpi(vport, ndlp);
5024ab17
JW		 3543 }
3544 }
3545
2e0fef85
JS		 3546 vport->port_state = LPFC_FLOGI;
3547 lpfc_set_disctmo(vport);
3548 lpfc_initial_flogi(vport);
c9f8735b 3549 return 0;
dea3101e 3550 }
5024ab17
JW		 3551 /* Discovery not needed,
3552 * move the nodes to their original state.
3553 */
2e0fef85 3554 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
685f0bf7
JS		 3555 nlp_listp) {
3556 if (ndlp->nlp_state != NLP_STE_NPR_NODE)
3557 continue;
dea3101e 3558
5024ab17
JW		 3559 switch (ndlp->nlp_prev_state) {
3560 case NLP_STE_UNMAPPED_NODE:
3561 ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
2e0fef85 3562 lpfc_nlp_set_state(vport, ndlp,
de0c5b32 3563 NLP_STE_UNMAPPED_NODE);
5024ab17
JW		 3564 break;
3565
3566 case NLP_STE_MAPPED_NODE:
3567 ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
2e0fef85 3568 lpfc_nlp_set_state(vport, ndlp,
de0c5b32 3569 NLP_STE_MAPPED_NODE);
5024ab17
JW		 3570 break;
3571
3572 default:
3573 break;
3574 }
3575 }
3576
3577 /* Start discovery - this should just do CLEAR_LA */
2e0fef85 3578 lpfc_disc_start(vport);
dea3101e 3579 }
c9f8735b 3580 return 0;
dea3101e 3581}
3582
3583void
3584lpfc_els_timeout(unsigned long ptr)
3585{
2e0fef85
JS		 3586 struct lpfc_vport *vport = (struct lpfc_vport *) ptr;
3587 struct lpfc_hba *phba = vport->phba;
dea3101e 3588 unsigned long iflag;
3589
2e0fef85
JS		 3590 spin_lock_irqsave(&vport->work_port_lock, iflag);
3591 if ((vport->work_port_events & WORKER_ELS_TMO) == 0) {
3592 vport->work_port_events |= WORKER_ELS_TMO;
92d7f7b0
JS		 3593 spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3594
3595 spin_lock_irqsave(&phba->hbalock, iflag);
dea3101e 3596 if (phba->work_wait)
92d7f7b0
JS		 3597 lpfc_worker_wake_up(phba);
3598 spin_unlock_irqrestore(&phba->hbalock, iflag);
dea3101e 3599 }
92d7f7b0
JS		 3600 else
3601 spin_unlock_irqrestore(&vport->work_port_lock, iflag);
dea3101e 3602 return;
3603}
3604
3605void
2e0fef85 3606lpfc_els_timeout_handler(struct lpfc_vport *vport)
dea3101e 3607{
2e0fef85 3608 struct lpfc_hba *phba = vport->phba;
dea3101e 3609 struct lpfc_sli_ring *pring;
3610 struct lpfc_iocbq *tmp_iocb, *piocb;
3611 IOCB_t *cmd = NULL;
3612 struct lpfc_dmabuf *pcmd;
2e0fef85 3613 uint32_t els_command = 0;
dea3101e 3614 uint32_t timeout;
2e0fef85 3615 uint32_t remote_ID = 0xffffffff;
dea3101e 3616
dea3101e 3617 /* If the timer is already canceled do nothing */
2e0fef85 3618 if ((vport->work_port_events & WORKER_ELS_TMO) == 0) {
dea3101e 3619 return;
3620 }
2e0fef85 3621 spin_lock_irq(&phba->hbalock);
dea3101e 3622 timeout = (uint32_t)(phba->fc_ratov << 1);
3623
3624 pring = &phba->sli.ring[LPFC_ELS_RING];
dea3101e 3625
3626 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) {
3627 cmd = &piocb->iocb;
3628
2e0fef85
JS		 3629 if ((piocb->iocb_flag & LPFC_IO_LIBDFC) != 0 ||
3630 piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN ||
3631 piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN)
dea3101e 3632 continue;
2e0fef85
JS		 3633
3634 if (piocb->vport != vport)
3635 continue;
3636
dea3101e 3637 pcmd = (struct lpfc_dmabuf *) piocb->context2;
2e0fef85
JS		 3638 if (pcmd)
3639 els_command = *(uint32_t *) (pcmd->virt);
dea3101e 3640
92d7f7b0
JS		 3641 if (els_command == ELS_CMD_FARP ||
3642 els_command == ELS_CMD_FARPR ||
3643 els_command == ELS_CMD_FDISC)
3644 continue;
3645
3646 if (vport != piocb->vport)
dea3101e 3647 continue;
dea3101e 3648
3649 if (piocb->drvrTimeout > 0) {
92d7f7b0 3650 if (piocb->drvrTimeout >= timeout)
dea3101e 3651 piocb->drvrTimeout -= timeout;
92d7f7b0 3652 else
dea3101e 3653 piocb->drvrTimeout = 0;
dea3101e 3654 continue;
3655 }
3656
2e0fef85
JS		 3657 remote_ID = 0xffffffff;
3658 if (cmd->ulpCommand != CMD_GEN_REQUEST64_CR)
dea3101e 3659 remote_ID = cmd->un.elsreq64.remoteID;
2e0fef85
JS		 3660 else {
3661 struct lpfc_nodelist *ndlp;
3662 ndlp = __lpfc_findnode_rpi(vport, cmd->ulpContext);
3663 if (ndlp)
3664 remote_ID = ndlp->nlp_DID;
dea3101e 3665 }
3666
92d7f7b0
JS		 3667 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
3668 "%d (%d):0127 ELS timeout Data: x%x x%x x%x "
3669 "x%x\n",
3670 phba->brd_no, vport->vpi, els_command,
dea3101e 3671 remote_ID, cmd->ulpCommand, cmd->ulpIoTag);
3672
07951076 3673 lpfc_sli_issue_abort_iotag(phba, pring, piocb);
dea3101e 3674 }
2e0fef85 3675 spin_unlock_irq(&phba->hbalock);
5a0e326d 3676
2e0fef85
JS		 3677 if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt)
3678 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
dea3101e 3679}
3680
3681void
2e0fef85 3682lpfc_els_flush_cmd(struct lpfc_vport *vport)
dea3101e 3683{
2534ba75 3684 LIST_HEAD(completions);
2e0fef85 3685 struct lpfc_hba *phba = vport->phba;
329f9bc7 3686 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
dea3101e 3687 struct lpfc_iocbq *tmp_iocb, *piocb;
3688 IOCB_t *cmd = NULL;
92d7f7b0
JS		 3689
3690 lpfc_fabric_abort_vport(vport);
dea3101e 3691
2e0fef85 3692 spin_lock_irq(&phba->hbalock);
dea3101e 3693 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) {
3694 cmd = &piocb->iocb;
3695
3696 if (piocb->iocb_flag & LPFC_IO_LIBDFC) {
3697 continue;
3698 }
3699
3700 /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */
329f9bc7
JS		 3701 if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN ||
3702 cmd->ulpCommand == CMD_QUE_RING_BUF64_CN ||
3703 cmd->ulpCommand == CMD_CLOSE_XRI_CN ||
3704 cmd->ulpCommand == CMD_ABORT_XRI_CN)
dea3101e 3705 continue;
dea3101e 3706
2e0fef85
JS		 3707 if (piocb->vport != vport)
3708 continue;
3709
2534ba75 3710 list_move_tail(&piocb->list, &completions);
1dcb58e5 3711 pring->txq_cnt--;
dea3101e 3712 }
3713
3714 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) {
dea3101e 3715 if (piocb->iocb_flag & LPFC_IO_LIBDFC) {
3716 continue;
3717 }
dea3101e 3718
2e0fef85
JS		 3719 if (piocb->vport != vport)
3720 continue;
3721
07951076 3722 lpfc_sli_issue_abort_iotag(phba, pring, piocb);
dea3101e 3723 }
2e0fef85 3724 spin_unlock_irq(&phba->hbalock);
2534ba75 3725
2e0fef85 3726 while (!list_empty(&completions)) {
2534ba75
JS		 3727 piocb = list_get_first(&completions, struct lpfc_iocbq, list);
3728 cmd = &piocb->iocb;
92d7f7b0 3729 list_del_init(&piocb->list);
2534ba75 3730
2e0fef85
JS		 3731 if (!piocb->iocb_cmpl)
3732 lpfc_sli_release_iocbq(phba, piocb);
3733 else {
2534ba75
JS		 3734 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
3735 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
3736 (piocb->iocb_cmpl) (phba, piocb, piocb);
2e0fef85 3737 }
2534ba75
JS		 3738 }
3739
dea3101e 3740 return;
3741}
3742
ed957684
JS		 3743static void
3744lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
92d7f7b0 3745 struct lpfc_vport *vport, struct lpfc_iocbq *elsiocb)
dea3101e 3746{
dea3101e 3747 struct lpfc_nodelist *ndlp;
dea3101e 3748 struct ls_rjt stat;
92d7f7b0 3749 uint32_t *payload;
2e0fef85 3750 uint32_t cmd, did, newnode, rjt_err = 0;
ed957684 3751 IOCB_t *icmd = &elsiocb->iocb;
dea3101e 3752
92d7f7b0 3753 if (vport == NULL || elsiocb->context2 == NULL)
dea3101e 3754 goto dropit;
2e0fef85 3755
dea3101e 3756 newnode = 0;
92d7f7b0
JS		 3757 payload = ((struct lpfc_dmabuf *)elsiocb->context2)->virt;
3758 cmd = *payload;
ed957684
JS		 3759 if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) == 0)
3760 lpfc_post_buffer(phba, pring, 1, 1);
dea3101e 3761
858c9f6c
JS		 3762 did = icmd->un.rcvels.remoteID;
3763 if (icmd->ulpStatus) {
3764 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3765 "RCV Unsol ELS: status:x%x/x%x did:x%x",
3766 icmd->ulpStatus, icmd->un.ulpWord[4], did);
dea3101e 3767 goto dropit;
858c9f6c 3768 }
dea3101e 3769
3770 /* Check to see if link went down during discovery */
ed957684 3771 if (lpfc_els_chk_latt(vport))
dea3101e 3772 goto dropit;
dea3101e 3773
92d7f7b0
JS		 3774 /* Ignore traffic recevied during vport shutdown. */
3775 if (vport->load_flag & FC_UNLOADING)
3776 goto dropit;
3777
2e0fef85 3778 ndlp = lpfc_findnode_did(vport, did);
c9f8735b 3779 if (!ndlp) {
dea3101e 3780 /* Cannot find existing Fabric ndlp, so allocate a new one */
c9f8735b 3781 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
ed957684 3782 if (!ndlp)
dea3101e 3783 goto dropit;
dea3101e 3784
2e0fef85 3785 lpfc_nlp_init(vport, ndlp, did);
dea3101e 3786 newnode = 1;
3787 if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) {
3788 ndlp->nlp_type |= NLP_FABRIC;
3789 }
2e0fef85 3790 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE);
dea3101e 3791 }
3792
3793 phba->fc_stat.elsRcvFrame++;
329f9bc7
JS		 3794 if (elsiocb->context1)
3795 lpfc_nlp_put(elsiocb->context1);
3796 elsiocb->context1 = lpfc_nlp_get(ndlp);
2e0fef85 3797 elsiocb->vport = vport;
dea3101e 3798
3799 if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) {
3800 cmd &= ELS_CMD_MASK;
3801 }
3802 /* ELS command <elsCmd> received from NPORT <did> */
3803 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0
JS		 3804 "%d (%d):0112 ELS command x%x received from NPORT x%x "
3805 "Data: x%x\n", phba->brd_no, vport->vpi, cmd, did,
ed957684 3806 vport->port_state);
dea3101e 3807
3808 switch (cmd) {
3809 case ELS_CMD_PLOGI:
858c9f6c
JS		 3810 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3811 "RCV PLOGI: did:x%x/ste:x%x flg:x%x",
3812 did, vport->port_state, ndlp->nlp_flag);
3813
dea3101e 3814 phba->fc_stat.elsRcvPLOGI++;
858c9f6c
JS		 3815 ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp);
3816
3817 if (vport->port_state < LPFC_DISC_AUTH) {
3818 rjt_err = LSRJT_UNABLE_TPC;
dea3101e 3819 break;
3820 }
2e0fef85
JS		 3821 lpfc_disc_state_machine(vport, ndlp, elsiocb,
3822 NLP_EVT_RCV_PLOGI);
858c9f6c 3823
dea3101e 3824 break;
3825 case ELS_CMD_FLOGI:
858c9f6c
JS		 3826 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3827 "RCV FLOGI: did:x%x/ste:x%x flg:x%x",
3828 did, vport->port_state, ndlp->nlp_flag);
3829
dea3101e 3830 phba->fc_stat.elsRcvFLOGI++;
2e0fef85 3831 lpfc_els_rcv_flogi(vport, elsiocb, ndlp, newnode);
de0c5b32 3832 if (newnode)
2e0fef85 3833 lpfc_drop_node(vport, ndlp);
dea3101e 3834 break;
3835 case ELS_CMD_LOGO:
858c9f6c
JS		 3836 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3837 "RCV LOGO: did:x%x/ste:x%x flg:x%x",
3838 did, vport->port_state, ndlp->nlp_flag);
3839
dea3101e 3840 phba->fc_stat.elsRcvLOGO++;
2e0fef85 3841 if (vport->port_state < LPFC_DISC_AUTH) {
858c9f6c 3842 rjt_err = LSRJT_UNABLE_TPC;
dea3101e 3843 break;
3844 }
2e0fef85 3845 lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_LOGO);
dea3101e 3846 break;
3847 case ELS_CMD_PRLO:
858c9f6c
JS		 3848 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3849 "RCV PRLO: did:x%x/ste:x%x flg:x%x",
3850 did, vport->port_state, ndlp->nlp_flag);
3851
dea3101e 3852 phba->fc_stat.elsRcvPRLO++;
2e0fef85 3853 if (vport->port_state < LPFC_DISC_AUTH) {
858c9f6c 3854 rjt_err = LSRJT_UNABLE_TPC;
dea3101e 3855 break;
3856 }
2e0fef85 3857 lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLO);
dea3101e 3858 break;
3859 case ELS_CMD_RSCN:
3860 phba->fc_stat.elsRcvRSCN++;
2e0fef85 3861 lpfc_els_rcv_rscn(vport, elsiocb, ndlp, newnode);
de0c5b32 3862 if (newnode)
2e0fef85 3863 lpfc_drop_node(vport, ndlp);
dea3101e 3864 break;
3865 case ELS_CMD_ADISC:
858c9f6c
JS		 3866 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3867 "RCV ADISC: did:x%x/ste:x%x flg:x%x",
3868 did, vport->port_state, ndlp->nlp_flag);
3869
dea3101e 3870 phba->fc_stat.elsRcvADISC++;
2e0fef85 3871 if (vport->port_state < LPFC_DISC_AUTH) {
858c9f6c 3872 rjt_err = LSRJT_UNABLE_TPC;
dea3101e 3873 break;
3874 }
2e0fef85
JS		 3875 lpfc_disc_state_machine(vport, ndlp, elsiocb,
3876 NLP_EVT_RCV_ADISC);
dea3101e 3877 break;
3878 case ELS_CMD_PDISC:
858c9f6c
JS		 3879 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3880 "RCV PDISC: did:x%x/ste:x%x flg:x%x",
3881 did, vport->port_state, ndlp->nlp_flag);
3882
dea3101e 3883 phba->fc_stat.elsRcvPDISC++;
2e0fef85 3884 if (vport->port_state < LPFC_DISC_AUTH) {
858c9f6c 3885 rjt_err = LSRJT_UNABLE_TPC;
dea3101e 3886 break;
3887 }
2e0fef85
JS		 3888 lpfc_disc_state_machine(vport, ndlp, elsiocb,
3889 NLP_EVT_RCV_PDISC);
dea3101e 3890 break;
3891 case ELS_CMD_FARPR:
858c9f6c
JS		 3892 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3893 "RCV FARPR: did:x%x/ste:x%x flg:x%x",
3894 did, vport->port_state, ndlp->nlp_flag);
3895
dea3101e 3896 phba->fc_stat.elsRcvFARPR++;
2e0fef85 3897 lpfc_els_rcv_farpr(vport, elsiocb, ndlp);
dea3101e 3898 break;
3899 case ELS_CMD_FARP:
858c9f6c
JS		 3900 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3901 "RCV FARP: did:x%x/ste:x%x flg:x%x",
3902 did, vport->port_state, ndlp->nlp_flag);
3903
dea3101e 3904 phba->fc_stat.elsRcvFARP++;
2e0fef85 3905 lpfc_els_rcv_farp(vport, elsiocb, ndlp);
dea3101e 3906 break;
3907 case ELS_CMD_FAN:
858c9f6c
JS		 3908 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3909 "RCV FAN: did:x%x/ste:x%x flg:x%x",
3910 did, vport->port_state, ndlp->nlp_flag);
3911
dea3101e 3912 phba->fc_stat.elsRcvFAN++;
2e0fef85 3913 lpfc_els_rcv_fan(vport, elsiocb, ndlp);
dea3101e 3914 break;
dea3101e 3915 case ELS_CMD_PRLI:
858c9f6c
JS		 3916 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3917 "RCV PRLI: did:x%x/ste:x%x flg:x%x",
3918 did, vport->port_state, ndlp->nlp_flag);
3919
dea3101e 3920 phba->fc_stat.elsRcvPRLI++;
2e0fef85 3921 if (vport->port_state < LPFC_DISC_AUTH) {
858c9f6c 3922 rjt_err = LSRJT_UNABLE_TPC;
dea3101e 3923 break;
3924 }
2e0fef85 3925 lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLI);
dea3101e 3926 break;
7bb3b137 3927 case ELS_CMD_LIRR:
858c9f6c
JS		 3928 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3929 "RCV LIRR: did:x%x/ste:x%x flg:x%x",
3930 did, vport->port_state, ndlp->nlp_flag);
3931
7bb3b137 3932 phba->fc_stat.elsRcvLIRR++;
2e0fef85 3933 lpfc_els_rcv_lirr(vport, elsiocb, ndlp);
de0c5b32 3934 if (newnode)
2e0fef85 3935 lpfc_drop_node(vport, ndlp);
7bb3b137
JW		 3936 break;
3937 case ELS_CMD_RPS:
858c9f6c
JS		 3938 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3939 "RCV RPS: did:x%x/ste:x%x flg:x%x",
3940 did, vport->port_state, ndlp->nlp_flag);
3941
7bb3b137 3942 phba->fc_stat.elsRcvRPS++;
2e0fef85 3943 lpfc_els_rcv_rps(vport, elsiocb, ndlp);
de0c5b32 3944 if (newnode)
2e0fef85 3945 lpfc_drop_node(vport, ndlp);
7bb3b137
JW		 3946 break;
3947 case ELS_CMD_RPL:
858c9f6c
JS		 3948 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3949 "RCV RPL: did:x%x/ste:x%x flg:x%x",
3950 did, vport->port_state, ndlp->nlp_flag);
3951
7bb3b137 3952 phba->fc_stat.elsRcvRPL++;
2e0fef85 3953 lpfc_els_rcv_rpl(vport, elsiocb, ndlp);
de0c5b32 3954 if (newnode)
2e0fef85 3955 lpfc_drop_node(vport, ndlp);
7bb3b137 3956 break;
dea3101e 3957 case ELS_CMD_RNID:
858c9f6c
JS		 3958 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3959 "RCV RNID: did:x%x/ste:x%x flg:x%x",
3960 did, vport->port_state, ndlp->nlp_flag);
3961
dea3101e 3962 phba->fc_stat.elsRcvRNID++;
2e0fef85 3963 lpfc_els_rcv_rnid(vport, elsiocb, ndlp);
de0c5b32 3964 if (newnode)
2e0fef85 3965 lpfc_drop_node(vport, ndlp);
dea3101e 3966 break;
3967 default:
858c9f6c
JS		 3968 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3969 "RCV ELS cmd: cmd:x%x did:x%x/ste:x%x",
3970 cmd, did, vport->port_state);
3971
dea3101e 3972 /* Unsupported ELS command, reject */
858c9f6c 3973 rjt_err = LSRJT_INVALID_CMD;
dea3101e 3974
3975 /* Unknown ELS command <elsCmd> received from NPORT <did> */
3976 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
92d7f7b0 3977 "%d (%d):0115 Unknown ELS command x%x "
ed957684 3978 "received from NPORT x%x\n",
92d7f7b0 3979 phba->brd_no, vport->vpi, cmd, did);
de0c5b32 3980 if (newnode)
2e0fef85 3981 lpfc_drop_node(vport, ndlp);
dea3101e 3982 break;
3983 }
3984
3985 /* check if need to LS_RJT received ELS cmd */
3986 if (rjt_err) {
92d7f7b0 3987 memset(&stat, 0, sizeof(stat));
858c9f6c 3988 stat.un.b.lsRjtRsnCode = rjt_err;
1f679caf 3989 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
858c9f6c
JS		 3990 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, elsiocb, ndlp,
3991 NULL);
92d7f7b0
JS		 3992 if (newnode)
3993 lpfc_drop_node(vport, ndlp);
dea3101e 3994 }
3995
ed957684
JS		 3996 return;
3997
3998dropit:
3999 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
92d7f7b0 4000 "%d (%d):0111 Dropping received ELS cmd "
ed957684 4001 "Data: x%x x%x x%x\n",
92d7f7b0 4002 phba->brd_no, vport ? vport->vpi : 0xffff,
ed957684
JS		 4003 icmd->ulpStatus, icmd->un.ulpWord[4],
4004 icmd->ulpTimeout);
4005 phba->fc_stat.elsRcvDrop++;
4006}
4007
92d7f7b0
JS		 4008static struct lpfc_vport *
4009lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
4010{
4011 struct lpfc_vport *vport;
4012
4013 list_for_each_entry(vport, &phba->port_list, listentry) {
4014 if (vport->vpi == vpi)
4015 return vport;
4016 }
4017 return NULL;
4018}
ed957684
JS		 4019
4020void
4021lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
4022 struct lpfc_iocbq *elsiocb)
4023{
4024 struct lpfc_vport *vport = phba->pport;
ed957684 4025 IOCB_t *icmd = &elsiocb->iocb;
ed957684 4026 dma_addr_t paddr;
92d7f7b0
JS		 4027 struct lpfc_dmabuf *bdeBuf1 = elsiocb->context2;
4028 struct lpfc_dmabuf *bdeBuf2 = elsiocb->context3;
4029
4030 elsiocb->context2 = NULL;
4031 elsiocb->context3 = NULL;
ed957684 4032
92d7f7b0
JS		 4033 if (icmd->ulpStatus == IOSTAT_NEED_BUFFER) {
4034 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
4035 } else if (icmd->ulpStatus == IOSTAT_LOCAL_REJECT &&
4036 (icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING) {
ed957684
JS		 4037 phba->fc_stat.NoRcvBuf++;
4038 /* Not enough posted buffers; Try posting more buffers */
92d7f7b0 4039 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
ed957684
JS		 4040 lpfc_post_buffer(phba, pring, 0, 1);
4041 return;
4042 }
4043
92d7f7b0
JS		 4044 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
4045 (icmd->ulpCommand == CMD_IOCB_RCV_ELS64_CX ||
4046 icmd->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) {
4047 if (icmd->unsli3.rcvsli3.vpi == 0xffff)
4048 vport = phba->pport;
4049 else {
4050 uint16_t vpi = icmd->unsli3.rcvsli3.vpi;
4051 vport = lpfc_find_vport_by_vpid(phba, vpi);
4052 }
4053 }
4054 /* If there are no BDEs associated
4055 * with this IOCB, there is nothing to do.
4056 */
ed957684
JS		 4057 if (icmd->ulpBdeCount == 0)
4058 return;
4059
92d7f7b0
JS		 4060 /* type of ELS cmd is first 32bit word
4061 * in packet
4062 */
ed957684 4063 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
92d7f7b0 4064 elsiocb->context2 = bdeBuf1;
ed957684
JS		 4065 } else {
4066 paddr = getPaddr(icmd->un.cont64[0].addrHigh,
4067 icmd->un.cont64[0].addrLow);
92d7f7b0
JS		 4068 elsiocb->context2 = lpfc_sli_ringpostbuf_get(phba, pring,
4069 paddr);
ed957684
JS		 4070 }
4071
92d7f7b0
JS		 4072 lpfc_els_unsol_buffer(phba, pring, vport, elsiocb);
4073 /*
4074 * The different unsolicited event handlers would tell us
4075 * if they are done with "mp" by setting context2 to NULL.
4076 */
329f9bc7
JS		 4077 lpfc_nlp_put(elsiocb->context1);
4078 elsiocb->context1 = NULL;
dea3101e 4079 if (elsiocb->context2) {
92d7f7b0
JS		 4080 lpfc_in_buf_free(phba, (struct lpfc_dmabuf *)elsiocb->context2);
4081 elsiocb->context2 = NULL;
dea3101e 4082 }
ed957684
JS		 4083
4084 /* RCV_ELS64_CX provide for 2 BDEs - process 2nd if included */
92d7f7b0 4085 if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) &&
ed957684 4086 icmd->ulpBdeCount == 2) {
92d7f7b0
JS		 4087 elsiocb->context2 = bdeBuf2;
4088 lpfc_els_unsol_buffer(phba, pring, vport, elsiocb);
ed957684
JS		 4089 /* free mp if we are done with it */
4090 if (elsiocb->context2) {
92d7f7b0
JS		 4091 lpfc_in_buf_free(phba, elsiocb->context2);
4092 elsiocb->context2 = NULL;
4093 }
4094 }
4095}
4096
4097void
4098lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport)
4099{
4100 struct lpfc_nodelist *ndlp, *ndlp_fdmi;
4101
4102 ndlp = lpfc_findnode_did(vport, NameServer_DID);
4103 if (!ndlp) {
4104 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
4105 if (!ndlp) {
4106 if (phba->fc_topology == TOPOLOGY_LOOP) {
4107 lpfc_disc_start(vport);
4108 return;
4109 }
4110 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4111 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
4112 "%d (%d):0251 NameServer login: no memory\n",
4113 phba->brd_no, vport->vpi);
4114 return;
4115 }
4116 lpfc_nlp_init(vport, ndlp, NameServer_DID);
4117 ndlp->nlp_type |= NLP_FABRIC;
4118 }
4119
4120 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
4121
4122 if (lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0)) {
4123 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4124 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
4125 "%d (%d):0252 Cannot issue NameServer login\n",
4126 phba->brd_no, vport->vpi);
4127 return;
4128 }
4129
4130 if (phba->cfg_fdmi_on) {
4131 ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool,
4132 GFP_KERNEL);
4133 if (ndlp_fdmi) {
4134 lpfc_nlp_init(vport, ndlp_fdmi, FDMI_DID);
4135 ndlp_fdmi->nlp_type |= NLP_FABRIC;
4136 ndlp_fdmi->nlp_state =
4137 NLP_STE_PLOGI_ISSUE;
4138 lpfc_issue_els_plogi(vport, ndlp_fdmi->nlp_DID,
4139 0);
4140 }
4141 }
4142 return;
4143}
4144
4145static void
4146lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
4147{
4148 struct lpfc_vport *vport = pmb->vport;
4149 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4150 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
4151 MAILBOX_t *mb = &pmb->mb;
4152
4153 vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
4154 lpfc_nlp_put(ndlp);
4155
4156 if (mb->mbxStatus) {
4157 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
4158 "%d (%d):0915 Register VPI failed: 0x%x\n",
4159 phba->brd_no, vport->vpi, mb->mbxStatus);
4160
4161 switch (mb->mbxStatus) {
4162 case 0x11: /* unsupported feature */
4163 case 0x9603: /* max_vpi exceeded */
4164 /* giving up on vport registration */
4165 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4166 spin_lock_irq(shost->host_lock);
4167 vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
4168 spin_unlock_irq(shost->host_lock);
4169 lpfc_can_disctmo(vport);
4170 break;
4171 default:
4172 /* Try to recover from this error */
4173 lpfc_mbx_unreg_vpi(vport);
4174 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
4175 lpfc_initial_fdisc(vport);
4176 break;
4177 }
4178
4179 } else {
4180 if (vport == phba->pport)
4181 lpfc_issue_fabric_reglogin(vport);
4182 else
4183 lpfc_do_scr_ns_plogi(phba, vport);
4184 }
4185 mempool_free(pmb, phba->mbox_mem_pool);
4186 return;
4187}
4188
4189void
4190lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport,
4191 struct lpfc_nodelist *ndlp)
4192{
4193 LPFC_MBOXQ_t *mbox;
4194
4195 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4196 if (mbox) {
4197 lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, mbox);
4198 mbox->vport = vport;
4199 mbox->context2 = lpfc_nlp_get(ndlp);
4200 mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport;
4201 if (lpfc_sli_issue_mbox(phba, mbox,
4202 MBX_NOWAIT | MBX_STOP_IOCB)
4203 == MBX_NOT_FINISHED) {
4204 mempool_free(mbox, phba->mbox_mem_pool);
4205 vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
4206
4207 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4208
4209 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
4210 "%d (%d):0253 Register VPI: Cannot send mbox\n",
4211 phba->brd_no, vport->vpi);
4212 }
4213 } else {
4214 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4215
4216 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
4217 "%d (%d):0254 Register VPI: no memory\n",
4218 phba->brd_no, vport->vpi);
4219
4220 vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
4221 lpfc_nlp_put(ndlp);
4222 }
4223}
4224
4225static void
4226lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4227 struct lpfc_iocbq *rspiocb)
4228{
4229 struct lpfc_vport *vport = cmdiocb->vport;
4230 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4231 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
4232 struct lpfc_nodelist *np;
4233 struct lpfc_nodelist *next_np;
4234 IOCB_t *irsp = &rspiocb->iocb;
4235 struct lpfc_iocbq *piocb;
4236
4237 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
4238 "%d (%d):0123 FDISC completes. x%x/x%x prevDID: x%x\n",
4239 phba->brd_no, vport->vpi,
4240 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_prevDID);
4241
4242 /* Since all FDISCs are being single threaded, we
4243 * must reset the discovery timer for ALL vports
4244 * waiting to send FDISC when one completes.
4245 */
4246 list_for_each_entry(piocb, &phba->fabric_iocb_list, list) {
4247 lpfc_set_disctmo(piocb->vport);
4248 }
4249
858c9f6c
JS		 4250 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
4251 "FDISC cmpl: status:x%x/x%x prevdid:x%x",
4252 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_prevDID);
4253
92d7f7b0
JS		 4254 if (irsp->ulpStatus) {
4255 /* Check for retry */
4256 if (lpfc_els_retry(phba, cmdiocb, rspiocb))
4257 goto out;
4258
4259 /* FDISC failed */
4260 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
4261 "%d (%d):0124 FDISC failed. (%d/%d)\n",
4262 phba->brd_no, vport->vpi,
4263 irsp->ulpStatus, irsp->un.ulpWord[4]);
858c9f6c 4264
92d7f7b0
JS		 4265 if (vport->fc_vport->vport_state == FC_VPORT_INITIALIZING)
4266 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4267
4268 lpfc_nlp_put(ndlp);
4269 /* giving up on FDISC. Cancel discovery timer */
4270 lpfc_can_disctmo(vport);
4271 } else {
4272 spin_lock_irq(shost->host_lock);
4273 vport->fc_flag |= FC_FABRIC;
4274 if (vport->phba->fc_topology == TOPOLOGY_LOOP)
4275 vport->fc_flag |= FC_PUBLIC_LOOP;
4276 spin_unlock_irq(shost->host_lock);
4277
4278 vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID;
4279 lpfc_vport_set_state(vport, FC_VPORT_ACTIVE);
4280 if ((vport->fc_prevDID != vport->fc_myDID) &&
4281 !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) {
4282 /* If our NportID changed, we need to ensure all
4283 * remaining NPORTs get unreg_login'ed so we can
4284 * issue unreg_vpi.
4285 */
4286 list_for_each_entry_safe(np, next_np,
4287 &vport->fc_nodes, nlp_listp) {
4288 if (np->nlp_state != NLP_STE_NPR_NODE
4289 || !(np->nlp_flag & NLP_NPR_ADISC))
4290 continue;
4291 spin_lock_irq(shost->host_lock);
4292 np->nlp_flag &= ~NLP_NPR_ADISC;
4293 spin_unlock_irq(shost->host_lock);
4294 lpfc_unreg_rpi(vport, np);
4295 }
4296 lpfc_mbx_unreg_vpi(vport);
4297 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
4298 }
4299
4300 if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)
4301 lpfc_register_new_vport(phba, vport, ndlp);
4302 else
4303 lpfc_do_scr_ns_plogi(phba, vport);
4304
4305 lpfc_nlp_put(ndlp); /* Free Fabric ndlp for vports */
4306 }
4307
4308out:
4309 lpfc_els_free_iocb(phba, cmdiocb);
4310}
4311
4312int
4313lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
4314 uint8_t retry)
4315{
4316 struct lpfc_hba *phba = vport->phba;
4317 IOCB_t *icmd;
4318 struct lpfc_iocbq *elsiocb;
4319 struct serv_parm *sp;
4320 uint8_t *pcmd;
4321 uint16_t cmdsize;
4322 int did = ndlp->nlp_DID;
4323 int rc;
92d7f7b0
JS		 4324
4325 cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm));
4326 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did,
4327 ELS_CMD_FDISC);
4328 if (!elsiocb) {
92d7f7b0
JS		 4329 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4330
4331 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
4332 "%d (%d):0255 Issue FDISC: no IOCB\n",
4333 phba->brd_no, vport->vpi);
4334 return 1;
4335 }
4336
4337 icmd = &elsiocb->iocb;
4338 icmd->un.elsreq64.myID = 0;
4339 icmd->un.elsreq64.fl = 1;
4340
4341 /* For FDISC, Let FDISC rsp set the NPortID for this VPI */
4342 icmd->ulpCt_h = 1;
4343 icmd->ulpCt_l = 0;
4344
4345 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
4346 *((uint32_t *) (pcmd)) = ELS_CMD_FDISC;
4347 pcmd += sizeof(uint32_t); /* CSP Word 1 */
4348 memcpy(pcmd, &vport->phba->pport->fc_sparam, sizeof(struct serv_parm));
4349 sp = (struct serv_parm *) pcmd;
4350 /* Setup CSPs accordingly for Fabric */
4351 sp->cmn.e_d_tov = 0;
4352 sp->cmn.w2.r_a_tov = 0;
4353 sp->cls1.classValid = 0;
4354 sp->cls2.seqDelivery = 1;
4355 sp->cls3.seqDelivery = 1;
4356
4357 pcmd += sizeof(uint32_t); /* CSP Word 2 */
4358 pcmd += sizeof(uint32_t); /* CSP Word 3 */
4359 pcmd += sizeof(uint32_t); /* CSP Word 4 */
4360 pcmd += sizeof(uint32_t); /* Port Name */
4361 memcpy(pcmd, &vport->fc_portname, 8);
4362 pcmd += sizeof(uint32_t); /* Node Name */
4363 pcmd += sizeof(uint32_t); /* Node Name */
4364 memcpy(pcmd, &vport->fc_nodename, 8);
4365
4366 lpfc_set_disctmo(vport);
4367
4368 phba->fc_stat.elsXmitFDISC++;
4369 elsiocb->iocb_cmpl = lpfc_cmpl_els_fdisc;
4370
858c9f6c
JS		 4371 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
4372 "Issue FDISC: did:x%x",
4373 did, 0, 0);
4374
92d7f7b0
JS		 4375 rc = lpfc_issue_fabric_iocb(phba, elsiocb);
4376 if (rc == IOCB_ERROR) {
4377 lpfc_els_free_iocb(phba, elsiocb);
92d7f7b0
JS		 4378 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4379
4380 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
4381 "%d (%d):0256 Issue FDISC: Cannot send IOCB\n",
4382 phba->brd_no, vport->vpi);
4383
4384 return 1;
4385 }
4386 lpfc_vport_set_state(vport, FC_VPORT_INITIALIZING);
4387 vport->port_state = LPFC_FDISC;
4388 return 0;
4389}
4390
4391static void
4392lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4393 struct lpfc_iocbq *rspiocb)
4394{
4395 struct lpfc_vport *vport = cmdiocb->vport;
858c9f6c
JS		 4396 IOCB_t *irsp;
4397
4398 irsp = &rspiocb->iocb;
4399 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
4400 "LOGO npiv cmpl: status:x%x/x%x did:x%x",
4401 irsp->ulpStatus, irsp->un.ulpWord[4], irsp->un.rcvels.remoteID);
92d7f7b0
JS		 4402
4403 lpfc_els_free_iocb(phba, cmdiocb);
4404 vport->unreg_vpi_cmpl = VPORT_ERROR;
4405}
4406
4407int
4408lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4409{
4410 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4411 struct lpfc_hba *phba = vport->phba;
4412 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
4413 IOCB_t *icmd;
4414 struct lpfc_iocbq *elsiocb;
4415 uint8_t *pcmd;
4416 uint16_t cmdsize;
4417
4418 cmdsize = 2 * sizeof(uint32_t) + sizeof(struct lpfc_name);
4419 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, 0, ndlp, ndlp->nlp_DID,
4420 ELS_CMD_LOGO);
4421 if (!elsiocb)
4422 return 1;
4423
4424 icmd = &elsiocb->iocb;
4425 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
4426 *((uint32_t *) (pcmd)) = ELS_CMD_LOGO;
4427 pcmd += sizeof(uint32_t);
4428
4429 /* Fill in LOGO payload */
4430 *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID);
4431 pcmd += sizeof(uint32_t);
4432 memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name));
4433
858c9f6c
JS		 4434 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
4435 "Issue LOGO npiv did:x%x flg:x%x",
4436 ndlp->nlp_DID, ndlp->nlp_flag, 0);
4437
92d7f7b0
JS		 4438 elsiocb->iocb_cmpl = lpfc_cmpl_els_npiv_logo;
4439 spin_lock_irq(shost->host_lock);
4440 ndlp->nlp_flag |= NLP_LOGO_SND;
4441 spin_unlock_irq(shost->host_lock);
4442 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
4443 spin_lock_irq(shost->host_lock);
4444 ndlp->nlp_flag &= ~NLP_LOGO_SND;
4445 spin_unlock_irq(shost->host_lock);
4446 lpfc_els_free_iocb(phba, elsiocb);
4447 return 1;
4448 }
4449 return 0;
4450}
4451
4452void
4453lpfc_fabric_block_timeout(unsigned long ptr)
4454{
4455 struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
4456 unsigned long iflags;
4457 uint32_t tmo_posted;
4458 spin_lock_irqsave(&phba->pport->work_port_lock, iflags);
4459 tmo_posted = phba->pport->work_port_events & WORKER_FABRIC_BLOCK_TMO;
4460 if (!tmo_posted)
4461 phba->pport->work_port_events |= WORKER_FABRIC_BLOCK_TMO;
4462 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags);
4463
4464 if (!tmo_posted) {
4465 spin_lock_irqsave(&phba->hbalock, iflags);
4466 if (phba->work_wait)
4467 lpfc_worker_wake_up(phba);
4468 spin_unlock_irqrestore(&phba->hbalock, iflags);
4469 }
4470}
4471
4472static void
4473lpfc_resume_fabric_iocbs(struct lpfc_hba *phba)
4474{
4475 struct lpfc_iocbq *iocb;
4476 unsigned long iflags;
4477 int ret;
4478 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
4479 IOCB_t *cmd;
4480
4481repeat:
4482 iocb = NULL;
4483 spin_lock_irqsave(&phba->hbalock, iflags);
4484 /* Post any pending iocb to the SLI layer */
4485 if (atomic_read(&phba->fabric_iocb_count) == 0) {
4486 list_remove_head(&phba->fabric_iocb_list, iocb, typeof(*iocb),
4487 list);
4488 if (iocb)
4489 atomic_inc(&phba->fabric_iocb_count);
4490 }
4491 spin_unlock_irqrestore(&phba->hbalock, iflags);
4492 if (iocb) {
4493 iocb->fabric_iocb_cmpl = iocb->iocb_cmpl;
4494 iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb;
4495 iocb->iocb_flag |= LPFC_IO_FABRIC;
4496
858c9f6c
JS		 4497 lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD,
4498 "Fabric sched1: ste:x%x",
4499 iocb->vport->port_state, 0, 0);
4500
92d7f7b0
JS		 4501 ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0);
4502
4503 if (ret == IOCB_ERROR) {
4504 iocb->iocb_cmpl = iocb->fabric_iocb_cmpl;
4505 iocb->fabric_iocb_cmpl = NULL;
4506 iocb->iocb_flag &= ~LPFC_IO_FABRIC;
4507 cmd = &iocb->iocb;
4508 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
4509 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
4510 iocb->iocb_cmpl(phba, iocb, iocb);
4511
4512 atomic_dec(&phba->fabric_iocb_count);
4513 goto repeat;
4514 }
4515 }
4516
4517 return;
4518}
4519
4520void
4521lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba)
4522{
4523 clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
4524
4525 lpfc_resume_fabric_iocbs(phba);
4526 return;
4527}
4528
4529static void
4530lpfc_block_fabric_iocbs(struct lpfc_hba *phba)
4531{
4532 int blocked;
4533
4534 blocked = test_and_set_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
4535 /* Start a timer to unblock fabric
4536 * iocbs after 100ms
4537 */
4538 if (!blocked)
4539 mod_timer(&phba->fabric_block_timer, jiffies + HZ/10 );
4540
4541 return;
4542}
4543
4544static void
4545lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4546 struct lpfc_iocbq *rspiocb)
4547{
4548 struct ls_rjt stat;
4549
4550 if ((cmdiocb->iocb_flag & LPFC_IO_FABRIC) != LPFC_IO_FABRIC)
4551 BUG();
4552
4553 switch (rspiocb->iocb.ulpStatus) {
4554 case IOSTAT_NPORT_RJT:
4555 case IOSTAT_FABRIC_RJT:
4556 if (rspiocb->iocb.un.ulpWord[4] & RJT_UNAVAIL_TEMP) {
4557 lpfc_block_fabric_iocbs(phba);
ed957684 4558 }
92d7f7b0
JS		 4559 break;
4560
4561 case IOSTAT_NPORT_BSY:
4562 case IOSTAT_FABRIC_BSY:
4563 lpfc_block_fabric_iocbs(phba);
4564 break;
4565
4566 case IOSTAT_LS_RJT:
4567 stat.un.lsRjtError =
4568 be32_to_cpu(rspiocb->iocb.un.ulpWord[4]);
4569 if ((stat.un.b.lsRjtRsnCode == LSRJT_UNABLE_TPC) ||
4570 (stat.un.b.lsRjtRsnCode == LSRJT_LOGICAL_BSY))
4571 lpfc_block_fabric_iocbs(phba);
4572 break;
4573 }
4574
4575 if (atomic_read(&phba->fabric_iocb_count) == 0)
4576 BUG();
4577
4578 cmdiocb->iocb_cmpl = cmdiocb->fabric_iocb_cmpl;
4579 cmdiocb->fabric_iocb_cmpl = NULL;
4580 cmdiocb->iocb_flag &= ~LPFC_IO_FABRIC;
4581 cmdiocb->iocb_cmpl(phba, cmdiocb, rspiocb);
4582
4583 atomic_dec(&phba->fabric_iocb_count);
4584 if (!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags)) {
4585 /* Post any pending iocbs to HBA */
4586 lpfc_resume_fabric_iocbs(phba);
4587 }
4588}
4589
4590int
4591lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb)
4592{
4593 unsigned long iflags;
4594 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
4595 int ready;
4596 int ret;
4597
4598 if (atomic_read(&phba->fabric_iocb_count) > 1)
4599 BUG();
4600
4601 spin_lock_irqsave(&phba->hbalock, iflags);
4602 ready = atomic_read(&phba->fabric_iocb_count) == 0 &&
4603 !test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
4604
4605 spin_unlock_irqrestore(&phba->hbalock, iflags);
4606 if (ready) {
4607 iocb->fabric_iocb_cmpl = iocb->iocb_cmpl;
4608 iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb;
4609 iocb->iocb_flag |= LPFC_IO_FABRIC;
4610
858c9f6c
JS		 4611 lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD,
4612 "Fabric sched2: ste:x%x",
4613 iocb->vport->port_state, 0, 0);
4614
92d7f7b0
JS		 4615 atomic_inc(&phba->fabric_iocb_count);
4616 ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0);
4617
4618 if (ret == IOCB_ERROR) {
4619 iocb->iocb_cmpl = iocb->fabric_iocb_cmpl;
4620 iocb->fabric_iocb_cmpl = NULL;
4621 iocb->iocb_flag &= ~LPFC_IO_FABRIC;
4622 atomic_dec(&phba->fabric_iocb_count);
4623 }
4624 } else {
4625 spin_lock_irqsave(&phba->hbalock, iflags);
4626 list_add_tail(&iocb->list, &phba->fabric_iocb_list);
4627 spin_unlock_irqrestore(&phba->hbalock, iflags);
4628 ret = IOCB_SUCCESS;
4629 }
4630 return ret;
4631}
4632
4633
4634void lpfc_fabric_abort_vport(struct lpfc_vport *vport)
4635{
4636 LIST_HEAD(completions);
4637 struct lpfc_hba *phba = vport->phba;
4638 struct lpfc_iocbq *tmp_iocb, *piocb;
4639 IOCB_t *cmd;
4640
4641 spin_lock_irq(&phba->hbalock);
4642 list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list,
4643 list) {
4644
4645 if (piocb->vport != vport)
4646 continue;
4647
4648 list_move_tail(&piocb->list, &completions);
4649 }
4650 spin_unlock_irq(&phba->hbalock);
4651
4652 while (!list_empty(&completions)) {
4653 piocb = list_get_first(&completions, struct lpfc_iocbq, list);
4654 list_del_init(&piocb->list);
4655
4656 cmd = &piocb->iocb;
4657 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
4658 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
4659 (piocb->iocb_cmpl) (phba, piocb, piocb);
4660 }
4661}
4662
4663void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp)
4664{
4665 LIST_HEAD(completions);
4666 struct lpfc_hba *phba = ndlp->vport->phba;
4667 struct lpfc_iocbq *tmp_iocb, *piocb;
4668 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
4669 IOCB_t *cmd;
4670
4671 spin_lock_irq(&phba->hbalock);
4672 list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list,
4673 list) {
4674 if ((lpfc_check_sli_ndlp(phba, pring, piocb, ndlp))) {
4675
4676 list_move_tail(&piocb->list, &completions);
ed957684 4677 }
dea3101e 4678 }
92d7f7b0
JS		 4679 spin_unlock_irq(&phba->hbalock);
4680
4681 while (!list_empty(&completions)) {
4682 piocb = list_get_first(&completions, struct lpfc_iocbq, list);
4683 list_del_init(&piocb->list);
4684
4685 cmd = &piocb->iocb;
4686 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
4687 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
4688 (piocb->iocb_cmpl) (phba, piocb, piocb);
4689 }
4690}
4691
4692void lpfc_fabric_abort_hba(struct lpfc_hba *phba)
4693{
4694 LIST_HEAD(completions);
4695 struct lpfc_iocbq *piocb;
4696 IOCB_t *cmd;
4697
4698 spin_lock_irq(&phba->hbalock);
4699 list_splice_init(&phba->fabric_iocb_list, &completions);
4700 spin_unlock_irq(&phba->hbalock);
4701
4702 while (!list_empty(&completions)) {
4703 piocb = list_get_first(&completions, struct lpfc_iocbq, list);
4704 list_del_init(&piocb->list);
4705
4706 cmd = &piocb->iocb;
4707 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
4708 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
4709 (piocb->iocb_cmpl) (phba, piocb, piocb);
4710 }
dea3101e 4711}
92d7f7b0
JS		 4712
4713
4714void lpfc_fabric_abort_flogi(struct lpfc_hba *phba)
4715{
4716 LIST_HEAD(completions);
4717 struct lpfc_iocbq *tmp_iocb, *piocb;
4718 IOCB_t *cmd;
4719 struct lpfc_nodelist *ndlp;
4720
4721 spin_lock_irq(&phba->hbalock);
4722 list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list,
4723 list) {
4724
4725 cmd = &piocb->iocb;
4726 ndlp = (struct lpfc_nodelist *) piocb->context1;
4727 if (cmd->ulpCommand == CMD_ELS_REQUEST64_CR &&
4728 ndlp != NULL &&
4729 ndlp->nlp_DID == Fabric_DID)
4730 list_move_tail(&piocb->list, &completions);
4731 }
4732 spin_unlock_irq(&phba->hbalock);
4733
4734 while (!list_empty(&completions)) {
4735 piocb = list_get_first(&completions, struct lpfc_iocbq, list);
4736 list_del_init(&piocb->list);
4737
4738 cmd = &piocb->iocb;
4739 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
4740 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
4741 (piocb->iocb_cmpl) (phba, piocb, piocb);
4742 }
4743}
4744
4745
Linux kernel - Deliverables
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