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[SCSI] lpfc 8.2.2 : Attribute and Parameter splits for vport and physical port
[mirror_ubuntu-artful-kernel.git] / drivers / scsi / lpfc / lpfc_els.c
CommitLineData
dea3101e
JB		 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
JB		 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
JB		 20 *******************************************************************/
21
dea3101e
JB		 22#include <linux/blkdev.h>
23#include <linux/pci.h>
24#include <linux/interrupt.h>
25
91886523 26#include <scsi/scsi.h>
dea3101e
JB		 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
JB		 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
JB		 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
JB		 57 return 0;
58
59 /* Read the HBA Host Attention Register */
dea3101e 60 ha_copy = readl(phba->HAregaddr);
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 105
106 if (elsiocb == NULL)
107 return NULL;
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 131 lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys);
132 kfree(pcmd);
604a3e30 133 lpfc_sli_release_iocbq(phba, elsiocb);
dea3101e
JB		 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
JB		 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
JB		 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
JB		 168 icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX;
169 }
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 226 }
227
c9f8735b 228 return elsiocb;
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 467 } else {
468 /* This side will wait for the PLOGI */
329f9bc7 469 lpfc_nlp_put(ndlp);
dea3101e
JB		 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
JB		 475
476 /* Start discovery - this should just do CLEAR_LA */
2e0fef85 477 lpfc_disc_start(vport);
dea3101e 478 return 0;
92d7f7b0 479fail:
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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) {
3de2a653 521 vport->cfg_discovery_threads = LPFC_MAX_DISC_THREADS;
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 570
571 /* Start discovery */
2e0fef85 572 lpfc_disc_start(vport);
dea3101e
JB		 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
JB		 581 uint8_t retry)
582{
2e0fef85 583 struct lpfc_hba *phba = vport->phba;
dea3101e
JB		 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
JB		 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
JB		 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
JB		 635 tmo = phba->fc_ratov;
636 phba->fc_ratov = LPFC_DISC_FLOGI_TMO;
2e0fef85 637 lpfc_set_disctmo(vport);
dea3101e
JB		 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
JB		 648 if (rc == IOCB_ERROR) {
649 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 650 return 1;
dea3101e 651 }
c9f8735b 652 return 0;
dea3101e
JB		 653}
654
655int
2e0fef85 656lpfc_els_abort_flogi(struct lpfc_hba *phba)
dea3101e
JB		 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
JB		 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
JB		 683 }
684 }
2e0fef85 685 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 823 int disc, rc, did, type;
824
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 1126}
1127
1128static void
2e0fef85 1129lpfc_more_adisc(struct lpfc_vport *vport)
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 1243 }
1244 } else {
1245 /* Good status, call state machine */
2e0fef85 1246 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
dea3101e
JB		 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
JB		 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
JB		 1293 }
1294 }
1295 }
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 1361 IOCB_t *irsp;
1362 struct lpfc_sli *psli;
dea3101e
JB		 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
JB		 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
JB		 1385
1386 /* Check to see if link went down during discovery */
2e0fef85 1387 if (lpfc_els_chk_latt(vport))
dea3101e
JB		 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
JB		 1399 if (irsp->ulpStatus) {
1400 /* Check for retry */
2e0fef85 1401 if (lpfc_els_retry(phba, cmdiocb, rspiocb))
dea3101e
JB		 1402 /* ELS command is being retried */
1403 goto out;
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 1499
1500 /* Check to see if link went down during discovery */
2e0fef85 1501 lpfc_els_chk_latt(vport);
dea3101e
JB		 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
JB		 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
JB		 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
JB		 1540
1541 /* For SCR, remainder of payload is SCR parameter page */
92d7f7b0 1542 memset(pcmd, 0, sizeof(SCR));
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 1596
1597 /* Fill in FARPR payload */
1598 fp = (FARP *) (pcmd);
92d7f7b0 1599 memset(fp, 0, sizeof(FARP));
dea3101e
JB		 1600 lp = (uint32_t *) pcmd;
1601 *lp++ = be32_to_cpu(nportid);
2e0fef85 1602 *lp++ = be32_to_cpu(vport->fc_myDID);
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 1728
1729 if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) {
2e0fef85 1730 spin_unlock_irq(shost->host_lock);
dea3101e
JB		 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
JB		 1742 retry = ndlp->nlp_retry;
1743
1744 switch (cmd) {
1745 case ELS_CMD_FLOGI:
2e0fef85 1746 lpfc_issue_els_flogi(vport, ndlp, retry);
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 1853 retry = 1;
1854 break;
1855
858c9f6c 1856 case IOERR_SEQUENCE_TIMEOUT:
dea3101e
JB		 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
JB		 1887 maxretry = 48;
1888 }
1889 retry = 1;
1890 break;
1891 }
1892 if (cmd == ELS_CMD_PLOGI) {
92d7f7b0 1893 delay = 1000;
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 1977 }
1978
1979 phba->fc_stat.elsXmitRetry++;
488d1469 1980 if (ndlp && delay) {
dea3101e
JB		 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
JB		 1998 ndlp->nlp_last_elscmd = cmd;
1999
c9f8735b 2000 return 1;
dea3101e
JB		 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
JB		 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
JB		 2042}
2043
2044int
329f9bc7 2045lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb)
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 2097 switch (ndlp->nlp_state) {
2098 case NLP_STE_UNUSED_NODE: /* node is just allocated */
2e0fef85 2099 lpfc_drop_node(vport, ndlp);
dea3101e
JB		 2100 break;
2101 case NLP_STE_NPR_NODE: /* NPort Recovery mode */
2e0fef85 2102 lpfc_unreg_rpi(vport, ndlp);
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 2306 }
2307
329f9bc7
JS		 2308 if (newnode) {
2309 lpfc_nlp_put(ndlp);
dea3101e 2310 elsiocb->context1 = NULL;
329f9bc7 2311 }
dea3101e
JB		 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
JB		 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
JB		 2325 elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc;
2326 } else {
858c9f6c 2327 elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
dea3101e
JB		 2328 }
2329
2330 phba->fc_stat.elsXmitACC++;
dea3101e 2331 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
dea3101e
JB		 2332 if (rc == IOCB_ERROR) {
2333 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 2334 return 1;
dea3101e 2335 }
c9f8735b 2336 return 0;
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 2393 if (rc == IOCB_ERROR) {
2394 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 2395 return 1;
dea3101e 2396 }
c9f8735b 2397 return 0;
dea3101e
JB		 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
JB		 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
JB		 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
JB		 2429 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
2430 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
2431
dea3101e
JB		 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
JB		 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
JB		 2450 if (rc == IOCB_ERROR) {
2451 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 2452 return 1;
dea3101e 2453 }
c9f8735b 2454 return 0;
dea3101e
JB		 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
JB		 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
JB		 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
JB		 2491 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
2492 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
2493
dea3101e
JB		 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
JB		 2498
2499 /* For PRLI, remainder of payload is PRLI parameter page */
92d7f7b0 2500 memset(pcmd, 0, sizeof(PRLI));
dea3101e
JB		 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
JB		 2530 if (rc == IOCB_ERROR) {
2531 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 2532 return 1;
dea3101e 2533 }
c9f8735b 2534 return 0;
dea3101e
JB		 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
JB		 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
JB		 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
JB		 2573 elsiocb->iocb.ulpContext);
2574
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 2615 if (rc == IOCB_ERROR) {
2616 lpfc_els_free_iocb(phba, elsiocb);
c9f8735b 2617 return 1;
dea3101e 2618 }
c9f8735b 2619 return 0;
dea3101e
JB		 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 >=
3de2a653 2643 vport->cfg_discovery_threads) {
2e0fef85
JS		 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
JB		 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
JB		 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 >=
3de2a653 2678 vport->cfg_discovery_threads) {
2e0fef85
JS		 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
JB		 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
JB		 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
JB		 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
JB		 2710}
2711
2712int
2e0fef85 2713lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
dea3101e
JB		 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
JB		 2720
2721 ns_did.un.word = did;
dea3101e
JB		 2722
2723 /* Never match fabric nodes for RSCNs */
2724 if ((did & Fabric_DID_MASK) == Fabric_DID_MASK)
2e0fef85 2725 return 0;
dea3101e
JB		 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
JB		 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
JB		 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
JB		 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
JB		 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
JB		 2762 }
2763 }
92d7f7b0
JS		 2764 }
2765 return 0;
dea3101e
JB		 2766}
2767
2768static int
2e0fef85 2769lpfc_rscn_recovery_check(struct lpfc_vport *vport)
dea3101e 2770{
685f0bf7 2771 struct lpfc_nodelist *ndlp = NULL;
dea3101e
JB		 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
JB		 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 2803 uint32_t *lp, *datap;
dea3101e 2804 IOCB_t *icmd;
92d7f7b0
JS		 2805 uint32_t payload_len, length, nportid, *cmd;
2806 int rscn_cnt = vport->fc_rscn_id_cnt;
2807 int rscn_id = 0, hba_id = 0;
d2873e4c 2808 int i;
dea3101e
JB		 2809
2810 icmd = &cmdiocb->iocb;
2811 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2812 lp = (uint32_t *) pcmd->virt;
2813
92d7f7b0
JS		 2814 payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK);
2815 payload_len -= sizeof(uint32_t); /* take off word 0 */
dea3101e
JB		 2816
2817 /* RSCN received */
ed957684 2818 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
92d7f7b0
JS		 2819 "%d (%d):0214 RSCN received Data: x%x x%x x%x x%x\n",
2820 phba->brd_no, vport->vpi, vport->fc_flag, payload_len,
2821 *lp, rscn_cnt);
dea3101e 2822
d2873e4c 2823 for (i = 0; i < payload_len/sizeof(uint32_t); i++)
2e0fef85 2824 fc_host_post_event(shost, fc_get_event_number(),
d2873e4c
JS		 2825 FCH_EVT_RSCN, lp[i]);
2826
dea3101e
JB		 2827 /* If we are about to begin discovery, just ACC the RSCN.
2828 * Discovery processing will satisfy it.
2829 */
2e0fef85 2830 if (vport->port_state <= LPFC_NS_QRY) {
858c9f6c
JS		 2831 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
2832 "RCV RSCN ignore: did:x%x/ste:x%x flg:x%x",
2833 ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag);
2834
2e0fef85 2835 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL,
92d7f7b0 2836 newnode);
c9f8735b 2837 return 0;
dea3101e
JB		 2838 }
2839
92d7f7b0
JS		 2840 /* If this RSCN just contains NPortIDs for other vports on this HBA,
2841 * just ACC and ignore it.
2842 */
2843 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
3de2a653 2844 !(vport->cfg_peer_port_login)) {
92d7f7b0
JS		 2845 i = payload_len;
2846 datap = lp;
2847 while (i > 0) {
2848 nportid = *datap++;
2849 nportid = ((be32_to_cpu(nportid)) & Mask_DID);
2850 i -= sizeof(uint32_t);
2851 rscn_id++;
549e55cd
JS		 2852 if (lpfc_find_vport_by_did(phba, nportid))
2853 hba_id++;
92d7f7b0
JS		 2854 }
2855 if (rscn_id == hba_id) {
2856 /* ALL NPortIDs in RSCN are on HBA */
2857 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
2858 "%d (%d):0214 Ignore RSCN Data: x%x x%x x%x x%x\n",
2859 phba->brd_no, vport->vpi, vport->fc_flag, payload_len,
2860 *lp, rscn_cnt);
858c9f6c
JS		 2861
2862 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
2863 "RCV RSCN vport: did:x%x/ste:x%x flg:x%x",
2864 ndlp->nlp_DID, vport->port_state,
2865 ndlp->nlp_flag);
2866
92d7f7b0
JS		 2867 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb,
2868 ndlp, NULL, newnode);
2869 return 0;
2870 }
2871 }
2872
dea3101e
JB		 2873 /* If we are already processing an RSCN, save the received
2874 * RSCN payload buffer, cmdiocb->context2 to process later.
2875 */
2e0fef85 2876 if (vport->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) {
858c9f6c
JS		 2877 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
2878 "RCV RSCN defer: did:x%x/ste:x%x flg:x%x",
2879 ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag);
2880
92d7f7b0
JS		 2881 vport->fc_flag |= FC_RSCN_DEFERRED;
2882 if ((rscn_cnt < FC_MAX_HOLD_RSCN) &&
2e0fef85
JS		 2883 !(vport->fc_flag & FC_RSCN_DISCOVERY)) {
2884 spin_lock_irq(shost->host_lock);
2885 vport->fc_flag |= FC_RSCN_MODE;
2886 spin_unlock_irq(shost->host_lock);
92d7f7b0
JS		 2887 if (rscn_cnt) {
2888 cmd = vport->fc_rscn_id_list[rscn_cnt-1]->virt;
2889 length = be32_to_cpu(*cmd & ~ELS_CMD_MASK);
2890 }
2891 if ((rscn_cnt) &&
2892 (payload_len + length <= LPFC_BPL_SIZE)) {
2893 *cmd &= ELS_CMD_MASK;
2894 *cmd |= be32_to_cpu(payload_len + length);
2895 memcpy(((uint8_t *)cmd) + length, lp,
2896 payload_len);
2897 } else {
2898 vport->fc_rscn_id_list[rscn_cnt] = pcmd;
2899 vport->fc_rscn_id_cnt++;
2900 /* If we zero, cmdiocb->context2, the calling
2901 * routine will not try to free it.
2902 */
2903 cmdiocb->context2 = NULL;
2904 }
dea3101e
JB		 2905
2906 /* Deferred RSCN */
2907 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
92d7f7b0 2908 "%d (%d):0235 Deferred RSCN "
dea3101e 2909 "Data: x%x x%x x%x\n",
92d7f7b0
JS		 2910 phba->brd_no, vport->vpi,
2911 vport->fc_rscn_id_cnt, vport->fc_flag,
2e0fef85 2912 vport->port_state);
dea3101e 2913 } else {
2e0fef85
JS		 2914 spin_lock_irq(shost->host_lock);
2915 vport->fc_flag |= FC_RSCN_DISCOVERY;
2916 spin_unlock_irq(shost->host_lock);
dea3101e
JB		 2917 /* ReDiscovery RSCN */
2918 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
92d7f7b0 2919 "%d (%d):0234 ReDiscovery RSCN "
dea3101e 2920 "Data: x%x x%x x%x\n",
92d7f7b0
JS		 2921 phba->brd_no, vport->vpi,
2922 vport->fc_rscn_id_cnt, vport->fc_flag,
2e0fef85 2923 vport->port_state);
dea3101e
JB		 2924 }
2925 /* Send back ACC */
2e0fef85 2926 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL,
dea3101e
JB		 2927 newnode);
2928
2929 /* send RECOVERY event for ALL nodes that match RSCN payload */
2e0fef85 2930 lpfc_rscn_recovery_check(vport);
92d7f7b0 2931 vport->fc_flag &= ~FC_RSCN_DEFERRED;
c9f8735b 2932 return 0;
dea3101e
JB		 2933 }
2934
858c9f6c
JS		 2935 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
2936 "RCV RSCN: did:x%x/ste:x%x flg:x%x",
2937 ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag);
2938
2e0fef85
JS		 2939 spin_lock_irq(shost->host_lock);
2940 vport->fc_flag |= FC_RSCN_MODE;
2941 spin_unlock_irq(shost->host_lock);
2942 vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd;
dea3101e
JB		 2943 /*
2944 * If we zero, cmdiocb->context2, the calling routine will
2945 * not try to free it.
2946 */
2947 cmdiocb->context2 = NULL;
2948
2e0fef85 2949 lpfc_set_disctmo(vport);
dea3101e
JB		 2950
2951 /* Send back ACC */
2e0fef85 2952 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, newnode);
dea3101e
JB		 2953
2954 /* send RECOVERY event for ALL nodes that match RSCN payload */
2e0fef85 2955 lpfc_rscn_recovery_check(vport);
dea3101e 2956
2e0fef85 2957 return lpfc_els_handle_rscn(vport);
dea3101e
JB		 2958}
2959
2960int
2e0fef85 2961lpfc_els_handle_rscn(struct lpfc_vport *vport)
dea3101e
JB		 2962{
2963 struct lpfc_nodelist *ndlp;
2e0fef85 2964 struct lpfc_hba *phba = vport->phba;
dea3101e 2965
92d7f7b0
JS		 2966 /* Ignore RSCN if the port is being torn down. */
2967 if (vport->load_flag & FC_UNLOADING) {
2968 lpfc_els_flush_rscn(vport);
2969 return 0;
2970 }
2971
dea3101e 2972 /* Start timer for RSCN processing */
2e0fef85 2973 lpfc_set_disctmo(vport);
dea3101e
JB		 2974
2975 /* RSCN processed */
ed957684 2976 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
92d7f7b0
JS		 2977 "%d (%d):0215 RSCN processed Data: x%x x%x x%x x%x\n",
2978 phba->brd_no, vport->vpi,
2e0fef85
JS		 2979 vport->fc_flag, 0, vport->fc_rscn_id_cnt,
2980 vport->port_state);
dea3101e
JB		 2981
2982 /* To process RSCN, first compare RSCN data with NameServer */
2e0fef85
JS		 2983 vport->fc_ns_retry = 0;
2984 ndlp = lpfc_findnode_did(vport, NameServer_DID);
685f0bf7 2985 if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
dea3101e 2986 /* Good ndlp, issue CT Request to NameServer */
92d7f7b0 2987 if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0)
dea3101e
JB		 2988 /* Wait for NameServer query cmpl before we can
2989 continue */
c9f8735b 2990 return 1;
dea3101e
JB		 2991 } else {
2992 /* If login to NameServer does not exist, issue one */
2993 /* Good status, issue PLOGI to NameServer */
2e0fef85
JS		 2994 ndlp = lpfc_findnode_did(vport, NameServer_DID);
2995 if (ndlp)
dea3101e
JB		 2996 /* Wait for NameServer login cmpl before we can
2997 continue */
c9f8735b 2998 return 1;
2e0fef85 2999
c9f8735b
JW		 3000 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
3001 if (!ndlp) {
2e0fef85 3002 lpfc_els_flush_rscn(vport);
c9f8735b 3003 return 0;
dea3101e 3004 } else {
2e0fef85 3005 lpfc_nlp_init(vport, ndlp, NameServer_DID);
dea3101e 3006 ndlp->nlp_type |= NLP_FABRIC;
5024ab17 3007 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85
JS		 3008 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
3009 lpfc_issue_els_plogi(vport, NameServer_DID, 0);
dea3101e
JB		 3010 /* Wait for NameServer login cmpl before we can
3011 continue */
c9f8735b 3012 return 1;
dea3101e
JB		 3013 }
3014 }
3015
2e0fef85 3016 lpfc_els_flush_rscn(vport);
c9f8735b 3017 return 0;
dea3101e
JB		 3018}
3019
3020static int
2e0fef85
JS		 3021lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3022 struct lpfc_nodelist *ndlp, uint8_t newnode)
dea3101e 3023{
2e0fef85
JS		 3024 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3025 struct lpfc_hba *phba = vport->phba;
dea3101e
JB		 3026 struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
3027 uint32_t *lp = (uint32_t *) pcmd->virt;
3028 IOCB_t *icmd = &cmdiocb->iocb;
3029 struct serv_parm *sp;
3030 LPFC_MBOXQ_t *mbox;
3031 struct ls_rjt stat;
3032 uint32_t cmd, did;
3033 int rc;
3034
3035 cmd = *lp++;
3036 sp = (struct serv_parm *) lp;
3037
3038 /* FLOGI received */
3039
2e0fef85 3040 lpfc_set_disctmo(vport);
dea3101e
JB		 3041
3042 if (phba->fc_topology == TOPOLOGY_LOOP) {
3043 /* We should never receive a FLOGI in loop mode, ignore it */
3044 did = icmd->un.elsreq64.remoteID;
3045
3046 /* An FLOGI ELS command <elsCmd> was received from DID <did> in
3047 Loop Mode */
3048 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
92d7f7b0
JS		 3049 "%d (%d):0113 An FLOGI ELS command x%x was "
3050 "received from DID x%x in Loop Mode\n",
3051 phba->brd_no, vport->vpi, cmd, did);
c9f8735b 3052 return 1;
dea3101e
JB		 3053 }
3054
3055 did = Fabric_DID;
3056
2e0fef85 3057 if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3))) {
dea3101e
JB		 3058 /* For a FLOGI we accept, then if our portname is greater
3059 * then the remote portname we initiate Nport login.
3060 */
3061
2e0fef85 3062 rc = memcmp(&vport->fc_portname, &sp->portName,
92d7f7b0 3063 sizeof(struct lpfc_name));
dea3101e
JB		 3064
3065 if (!rc) {
2e0fef85
JS		 3066 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3067 if (!mbox)
c9f8735b 3068 return 1;
2e0fef85 3069
dea3101e
JB		 3070 lpfc_linkdown(phba);
3071 lpfc_init_link(phba, mbox,
3072 phba->cfg_topology,
3073 phba->cfg_link_speed);
3074 mbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
3075 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
ed957684 3076 mbox->vport = vport;
dea3101e
JB		 3077 rc = lpfc_sli_issue_mbox
3078 (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
5b8bd0c9 3079 lpfc_set_loopback_flag(phba);
dea3101e 3080 if (rc == MBX_NOT_FINISHED) {
329f9bc7 3081 mempool_free(mbox, phba->mbox_mem_pool);
dea3101e 3082 }
c9f8735b 3083 return 1;
2fe165b6 3084 } else if (rc > 0) { /* greater than */
2e0fef85
JS		 3085 spin_lock_irq(shost->host_lock);
3086 vport->fc_flag |= FC_PT2PT_PLOGI;
3087 spin_unlock_irq(shost->host_lock);
dea3101e 3088 }
2e0fef85
JS		 3089 spin_lock_irq(shost->host_lock);
3090 vport->fc_flag |= FC_PT2PT;
3091 vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
3092 spin_unlock_irq(shost->host_lock);
dea3101e
JB		 3093 } else {
3094 /* Reject this request because invalid parameters */
3095 stat.un.b.lsRjtRsvd0 = 0;
3096 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3097 stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS;
3098 stat.un.b.vendorUnique = 0;
858c9f6c
JS		 3099 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
3100 NULL);
c9f8735b 3101 return 1;
dea3101e
JB		 3102 }
3103
3104 /* Send back ACC */
2e0fef85 3105 lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, newnode);
dea3101e 3106
c9f8735b 3107 return 0;
dea3101e
JB		 3108}
3109
3110static int
2e0fef85
JS		 3111lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3112 struct lpfc_nodelist *ndlp)
dea3101e
JB		 3113{
3114 struct lpfc_dmabuf *pcmd;
3115 uint32_t *lp;
3116 IOCB_t *icmd;
3117 RNID *rn;
3118 struct ls_rjt stat;
3119 uint32_t cmd, did;
3120
3121 icmd = &cmdiocb->iocb;
3122 did = icmd->un.elsreq64.remoteID;
3123 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
3124 lp = (uint32_t *) pcmd->virt;
3125
3126 cmd = *lp++;
3127 rn = (RNID *) lp;
3128
3129 /* RNID received */
3130
3131 switch (rn->Format) {
3132 case 0:
3133 case RNID_TOPOLOGY_DISC:
3134 /* Send back ACC */
2e0fef85 3135 lpfc_els_rsp_rnid_acc(vport, rn->Format, cmdiocb, ndlp);
dea3101e
JB		 3136 break;
3137 default:
3138 /* Reject this request because format not supported */
3139 stat.un.b.lsRjtRsvd0 = 0;
3140 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3141 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
3142 stat.un.b.vendorUnique = 0;
858c9f6c
JS		 3143 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
3144 NULL);
dea3101e 3145 }
c9f8735b 3146 return 0;
dea3101e
JB		 3147}
3148
3149static int
2e0fef85
JS		 3150lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3151 struct lpfc_nodelist *ndlp)
7bb3b137
JW		 3152{
3153 struct ls_rjt stat;
3154
3155 /* For now, unconditionally reject this command */
3156 stat.un.b.lsRjtRsvd0 = 0;
3157 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3158 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
3159 stat.un.b.vendorUnique = 0;
858c9f6c 3160 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
7bb3b137
JW		 3161 return 0;
3162}
3163
082c0266 3164static void
329f9bc7 3165lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
7bb3b137 3166{
2e0fef85
JS		 3167 struct lpfc_sli *psli = &phba->sli;
3168 struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
7bb3b137
JW		 3169 MAILBOX_t *mb;
3170 IOCB_t *icmd;
3171 RPS_RSP *rps_rsp;
3172 uint8_t *pcmd;
3173 struct lpfc_iocbq *elsiocb;
3174 struct lpfc_nodelist *ndlp;
3175 uint16_t xri, status;
3176 uint32_t cmdsize;
3177
7bb3b137
JW		 3178 mb = &pmb->mb;
3179
3180 ndlp = (struct lpfc_nodelist *) pmb->context2;
3181 xri = (uint16_t) ((unsigned long)(pmb->context1));
041976fb
RD		 3182 pmb->context1 = NULL;
3183 pmb->context2 = NULL;
7bb3b137
JW		 3184
3185 if (mb->mbxStatus) {
329f9bc7 3186 mempool_free(pmb, phba->mbox_mem_pool);
7bb3b137
JW		 3187 return;
3188 }
3189
3190 cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t);
329f9bc7 3191 mempool_free(pmb, phba->mbox_mem_pool);
2e0fef85
JS		 3192 elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize,
3193 lpfc_max_els_tries, ndlp,
3194 ndlp->nlp_DID, ELS_CMD_ACC);
329f9bc7 3195 lpfc_nlp_put(ndlp);
c9f8735b 3196 if (!elsiocb)
7bb3b137 3197 return;
7bb3b137
JW		 3198
3199 icmd = &elsiocb->iocb;
3200 icmd->ulpContext = xri;
3201
3202 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
3203 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
92d7f7b0 3204 pcmd += sizeof(uint32_t); /* Skip past command */
7bb3b137
JW		 3205 rps_rsp = (RPS_RSP *)pcmd;
3206
3207 if (phba->fc_topology != TOPOLOGY_LOOP)
3208 status = 0x10;
3209 else
3210 status = 0x8;
2e0fef85 3211 if (phba->pport->fc_flag & FC_FABRIC)
7bb3b137
JW		 3212 status |= 0x4;
3213
3214 rps_rsp->rsvd1 = 0;
3215 rps_rsp->portStatus = be16_to_cpu(status);
3216 rps_rsp->linkFailureCnt = be32_to_cpu(mb->un.varRdLnk.linkFailureCnt);
3217 rps_rsp->lossSyncCnt = be32_to_cpu(mb->un.varRdLnk.lossSyncCnt);
3218 rps_rsp->lossSignalCnt = be32_to_cpu(mb->un.varRdLnk.lossSignalCnt);
3219 rps_rsp->primSeqErrCnt = be32_to_cpu(mb->un.varRdLnk.primSeqErrCnt);
3220 rps_rsp->invalidXmitWord = be32_to_cpu(mb->un.varRdLnk.invalidXmitWord);
3221 rps_rsp->crcCnt = be32_to_cpu(mb->un.varRdLnk.crcCnt);
3222
3223 /* Xmit ELS RPS ACC response tag <ulpIoTag> */
3224 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0
JS		 3225 "%d (%d):0118 Xmit ELS RPS ACC response tag x%x "
3226 "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, "
3227 "rpi x%x\n",
3228 phba->brd_no, ndlp->vport->vpi, elsiocb->iotag,
7bb3b137
JW		 3229 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
3230 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
3231
858c9f6c 3232 elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
7bb3b137 3233 phba->fc_stat.elsXmitACC++;
ed957684 3234 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR)
7bb3b137 3235 lpfc_els_free_iocb(phba, elsiocb);
7bb3b137
JW		 3236 return;
3237}
3238
3239static int
2e0fef85
JS		 3240lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3241 struct lpfc_nodelist *ndlp)
dea3101e 3242{
2e0fef85 3243 struct lpfc_hba *phba = vport->phba;
dea3101e 3244 uint32_t *lp;
7bb3b137
JW		 3245 uint8_t flag;
3246 LPFC_MBOXQ_t *mbox;
3247 struct lpfc_dmabuf *pcmd;
3248 RPS *rps;
3249 struct ls_rjt stat;
3250
2fe165b6
JW		 3251 if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
3252 (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
7bb3b137
JW		 3253 stat.un.b.lsRjtRsvd0 = 0;
3254 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3255 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
3256 stat.un.b.vendorUnique = 0;
858c9f6c
JS		 3257 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
3258 NULL);
7bb3b137
JW		 3259 }
3260
3261 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
3262 lp = (uint32_t *) pcmd->virt;
3263 flag = (be32_to_cpu(*lp++) & 0xf);
3264 rps = (RPS *) lp;
3265
3266 if ((flag == 0) ||
3267 ((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) ||
2e0fef85 3268 ((flag == 2) && (memcmp(&rps->un.portName, &vport->fc_portname,
92d7f7b0 3269 sizeof(struct lpfc_name)) == 0))) {
2e0fef85 3270
92d7f7b0
JS		 3271 printk("Fix me....\n");
3272 dump_stack();
2e0fef85
JS		 3273 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC);
3274 if (mbox) {
7bb3b137
JW		 3275 lpfc_read_lnk_stat(phba, mbox);
3276 mbox->context1 =
92d7f7b0 3277 (void *)((unsigned long) cmdiocb->iocb.ulpContext);
329f9bc7 3278 mbox->context2 = lpfc_nlp_get(ndlp);
92d7f7b0 3279 mbox->vport = vport;
7bb3b137
JW		 3280 mbox->mbox_cmpl = lpfc_els_rsp_rps_acc;
3281 if (lpfc_sli_issue_mbox (phba, mbox,
2e0fef85 3282 (MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED)
7bb3b137
JW		 3283 /* Mbox completion will send ELS Response */
3284 return 0;
2e0fef85 3285
329f9bc7 3286 lpfc_nlp_put(ndlp);
7bb3b137
JW		 3287 mempool_free(mbox, phba->mbox_mem_pool);
3288 }
3289 }
3290 stat.un.b.lsRjtRsvd0 = 0;
3291 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3292 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
3293 stat.un.b.vendorUnique = 0;
858c9f6c 3294 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
7bb3b137
JW		 3295 return 0;
3296}
3297
082c0266 3298static int
2e0fef85
JS		 3299lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize,
3300 struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp)
7bb3b137 3301{
2e0fef85
JS		 3302 struct lpfc_hba *phba = vport->phba;
3303 IOCB_t *icmd, *oldcmd;
7bb3b137
JW		 3304 RPL_RSP rpl_rsp;
3305 struct lpfc_iocbq *elsiocb;
2e0fef85
JS		 3306 struct lpfc_sli *psli = &phba->sli;
3307 struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
7bb3b137 3308 uint8_t *pcmd;
dea3101e 3309
2e0fef85
JS		 3310 elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp,
3311 ndlp->nlp_DID, ELS_CMD_ACC);
7bb3b137 3312
488d1469 3313 if (!elsiocb)
7bb3b137 3314 return 1;
488d1469 3315
7bb3b137
JW		 3316 icmd = &elsiocb->iocb;
3317 oldcmd = &oldiocb->iocb;
3318 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
3319
3320 pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
3321 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
92d7f7b0 3322 pcmd += sizeof(uint16_t);
7bb3b137
JW		 3323 *((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize);
3324 pcmd += sizeof(uint16_t);
3325
3326 /* Setup the RPL ACC payload */
3327 rpl_rsp.listLen = be32_to_cpu(1);
3328 rpl_rsp.index = 0;
3329 rpl_rsp.port_num_blk.portNum = 0;
2e0fef85
JS		 3330 rpl_rsp.port_num_blk.portID = be32_to_cpu(vport->fc_myDID);
3331 memcpy(&rpl_rsp.port_num_blk.portName, &vport->fc_portname,
7bb3b137
JW		 3332 sizeof(struct lpfc_name));
3333
3334 memcpy(pcmd, &rpl_rsp, cmdsize - sizeof(uint32_t));
3335
3336
3337 /* Xmit ELS RPL ACC response tag <ulpIoTag> */
3338 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0
JS		 3339 "%d (%d):0120 Xmit ELS RPL ACC response tag x%x "
3340 "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, "
3341 "rpi x%x\n",
3342 phba->brd_no, vport->vpi, elsiocb->iotag,
7bb3b137
JW		 3343 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
3344 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
3345
858c9f6c 3346 elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
7bb3b137
JW		 3347
3348 phba->fc_stat.elsXmitACC++;
3349 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
3350 lpfc_els_free_iocb(phba, elsiocb);
3351 return 1;
3352 }
3353 return 0;
3354}
3355
3356static int
2e0fef85
JS		 3357lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3358 struct lpfc_nodelist *ndlp)
7bb3b137
JW		 3359{
3360 struct lpfc_dmabuf *pcmd;
3361 uint32_t *lp;
3362 uint32_t maxsize;
3363 uint16_t cmdsize;
3364 RPL *rpl;
3365 struct ls_rjt stat;
3366
2fe165b6
JW		 3367 if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
3368 (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
7bb3b137
JW		 3369 stat.un.b.lsRjtRsvd0 = 0;
3370 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3371 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
3372 stat.un.b.vendorUnique = 0;
858c9f6c
JS		 3373 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
3374 NULL);
7bb3b137
JW		 3375 }
3376
dea3101e
JB		 3377 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
3378 lp = (uint32_t *) pcmd->virt;
7bb3b137 3379 rpl = (RPL *) (lp + 1);
dea3101e 3380
7bb3b137 3381 maxsize = be32_to_cpu(rpl->maxsize);
dea3101e 3382
7bb3b137
JW		 3383 /* We support only one port */
3384 if ((rpl->index == 0) &&
3385 ((maxsize == 0) ||
3386 ((maxsize * sizeof(uint32_t)) >= sizeof(RPL_RSP)))) {
3387 cmdsize = sizeof(uint32_t) + sizeof(RPL_RSP);
2fe165b6 3388 } else {
7bb3b137
JW		 3389 cmdsize = sizeof(uint32_t) + maxsize * sizeof(uint32_t);
3390 }
2e0fef85 3391 lpfc_els_rsp_rpl_acc(vport, cmdsize, cmdiocb, ndlp);
dea3101e
JB		 3392
3393 return 0;
3394}
3395
3396static int
2e0fef85
JS		 3397lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3398 struct lpfc_nodelist *ndlp)
dea3101e 3399{
2e0fef85 3400 struct lpfc_hba *phba = vport->phba;
dea3101e
JB		 3401 struct lpfc_dmabuf *pcmd;
3402 uint32_t *lp;
3403 IOCB_t *icmd;
3404 FARP *fp;
3405 uint32_t cmd, cnt, did;
3406
3407 icmd = &cmdiocb->iocb;
3408 did = icmd->un.elsreq64.remoteID;
3409 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
3410 lp = (uint32_t *) pcmd->virt;
3411
3412 cmd = *lp++;
3413 fp = (FARP *) lp;
3414
3415 /* FARP-REQ received from DID <did> */
ed957684 3416 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0
JS		 3417 "%d (%d):0601 FARP-REQ received from DID x%x\n",
3418 phba->brd_no, vport->vpi, did);
dea3101e
JB		 3419
3420 /* We will only support match on WWPN or WWNN */
3421 if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) {
c9f8735b 3422 return 0;
dea3101e
JB		 3423 }
3424
3425 cnt = 0;
3426 /* If this FARP command is searching for my portname */
3427 if (fp->Mflags & FARP_MATCH_PORT) {
2e0fef85 3428 if (memcmp(&fp->RportName, &vport->fc_portname,
92d7f7b0 3429 sizeof(struct lpfc_name)) == 0)
dea3101e
JB		 3430 cnt = 1;
3431 }
3432
3433 /* If this FARP command is searching for my nodename */
3434 if (fp->Mflags & FARP_MATCH_NODE) {
2e0fef85 3435 if (memcmp(&fp->RnodeName, &vport->fc_nodename,
92d7f7b0 3436 sizeof(struct lpfc_name)) == 0)
dea3101e
JB		 3437 cnt = 1;
3438 }
3439
3440 if (cnt) {
3441 if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) ||
3442 (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) {
3443 /* Log back into the node before sending the FARP. */
3444 if (fp->Rflags & FARP_REQUEST_PLOGI) {
5024ab17 3445 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85 3446 lpfc_nlp_set_state(vport, ndlp,
de0c5b32 3447 NLP_STE_PLOGI_ISSUE);
2e0fef85 3448 lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0);
dea3101e
JB		 3449 }
3450
3451 /* Send a FARP response to that node */
2e0fef85
JS		 3452 if (fp->Rflags & FARP_REQUEST_FARPR)
3453 lpfc_issue_els_farpr(vport, did, 0);
dea3101e
JB		 3454 }
3455 }
c9f8735b 3456 return 0;
dea3101e
JB		 3457}
3458
3459static int
2e0fef85
JS		 3460lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3461 struct lpfc_nodelist *ndlp)
dea3101e
JB		 3462{
3463 struct lpfc_dmabuf *pcmd;
3464 uint32_t *lp;
3465 IOCB_t *icmd;
3466 uint32_t cmd, did;
2e0fef85 3467 struct lpfc_hba *phba = vport->phba;
dea3101e
JB		 3468
3469 icmd = &cmdiocb->iocb;
3470 did = icmd->un.elsreq64.remoteID;
3471 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
3472 lp = (uint32_t *) pcmd->virt;
3473
3474 cmd = *lp++;
3475 /* FARP-RSP received from DID <did> */
ed957684 3476 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0
JS		 3477 "%d (%d):0600 FARP-RSP received from DID x%x\n",
3478 phba->brd_no, vport->vpi, did);
dea3101e 3479 /* ACCEPT the Farp resp request */
2e0fef85 3480 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
dea3101e
JB		 3481
3482 return 0;
3483}
3484
3485static int
2e0fef85
JS		 3486lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3487 struct lpfc_nodelist *fan_ndlp)
dea3101e
JB		 3488{
3489 struct lpfc_dmabuf *pcmd;
3490 uint32_t *lp;
3491 IOCB_t *icmd;
dea3101e 3492 uint32_t cmd, did;
5024ab17
JW		 3493 FAN *fp;
3494 struct lpfc_nodelist *ndlp, *next_ndlp;
2e0fef85 3495 struct lpfc_hba *phba = vport->phba;
5024ab17
JW		 3496
3497 /* FAN received */
ed957684 3498 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0
JS		 3499 "%d (%d):0265 FAN received\n",
3500 phba->brd_no, vport->vpi);
dea3101e
JB		 3501
3502 icmd = &cmdiocb->iocb;
3503 did = icmd->un.elsreq64.remoteID;
5024ab17
JW		 3504 pcmd = (struct lpfc_dmabuf *)cmdiocb->context2;
3505 lp = (uint32_t *)pcmd->virt;
dea3101e
JB		 3506
3507 cmd = *lp++;
92d7f7b0 3508 fp = (FAN *) lp;
dea3101e 3509
5024ab17 3510 /* FAN received; Fan does not have a reply sequence */
dea3101e 3511
2e0fef85 3512 if (phba->pport->port_state == LPFC_LOCAL_CFG_LINK) {
5024ab17
JW		 3513 if ((memcmp(&phba->fc_fabparam.nodeName, &fp->FnodeName,
3514 sizeof(struct lpfc_name)) != 0) ||
3515 (memcmp(&phba->fc_fabparam.portName, &fp->FportName,
3516 sizeof(struct lpfc_name)) != 0)) {
3517 /*
3518 * This node has switched fabrics. FLOGI is required
3519 * Clean up the old rpi's
dea3101e 3520 */
5024ab17
JW		 3521
3522 list_for_each_entry_safe(ndlp, next_ndlp,
2e0fef85 3523 &vport->fc_nodes, nlp_listp) {
685f0bf7
JS		 3524 if (ndlp->nlp_state != NLP_STE_NPR_NODE)
3525 continue;
5024ab17
JW		 3526 if (ndlp->nlp_type & NLP_FABRIC) {
3527 /*
3528 * Clean up old Fabric, Nameserver and
3529 * other NLP_FABRIC logins
3530 */
2e0fef85 3531 lpfc_drop_node(vport, ndlp);
2fe165b6 3532 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
5024ab17
JW		 3533 /* Fail outstanding I/O now since this
3534 * device is marked for PLOGI
3535 */
2e0fef85 3536 lpfc_unreg_rpi(vport, ndlp);
5024ab17
JW		 3537 }
3538 }
3539
2e0fef85
JS		 3540 vport->port_state = LPFC_FLOGI;
3541 lpfc_set_disctmo(vport);
3542 lpfc_initial_flogi(vport);
c9f8735b 3543 return 0;
dea3101e 3544 }
5024ab17
JW		 3545 /* Discovery not needed,
3546 * move the nodes to their original state.
3547 */
2e0fef85 3548 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
685f0bf7
JS		 3549 nlp_listp) {
3550 if (ndlp->nlp_state != NLP_STE_NPR_NODE)
3551 continue;
dea3101e 3552
5024ab17
JW		 3553 switch (ndlp->nlp_prev_state) {
3554 case NLP_STE_UNMAPPED_NODE:
3555 ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
2e0fef85 3556 lpfc_nlp_set_state(vport, ndlp,
de0c5b32 3557 NLP_STE_UNMAPPED_NODE);
5024ab17
JW		 3558 break;
3559
3560 case NLP_STE_MAPPED_NODE:
3561 ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
2e0fef85 3562 lpfc_nlp_set_state(vport, ndlp,
de0c5b32 3563 NLP_STE_MAPPED_NODE);
5024ab17
JW		 3564 break;
3565
3566 default:
3567 break;
3568 }
3569 }
3570
3571 /* Start discovery - this should just do CLEAR_LA */
2e0fef85 3572 lpfc_disc_start(vport);
dea3101e 3573 }
c9f8735b 3574 return 0;
dea3101e
JB		 3575}
3576
3577void
3578lpfc_els_timeout(unsigned long ptr)
3579{
2e0fef85
JS		 3580 struct lpfc_vport *vport = (struct lpfc_vport *) ptr;
3581 struct lpfc_hba *phba = vport->phba;
dea3101e
JB		 3582 unsigned long iflag;
3583
2e0fef85
JS		 3584 spin_lock_irqsave(&vport->work_port_lock, iflag);
3585 if ((vport->work_port_events & WORKER_ELS_TMO) == 0) {
3586 vport->work_port_events |= WORKER_ELS_TMO;
92d7f7b0
JS		 3587 spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3588
3589 spin_lock_irqsave(&phba->hbalock, iflag);
dea3101e 3590 if (phba->work_wait)
92d7f7b0
JS		 3591 lpfc_worker_wake_up(phba);
3592 spin_unlock_irqrestore(&phba->hbalock, iflag);
dea3101e 3593 }
92d7f7b0
JS		 3594 else
3595 spin_unlock_irqrestore(&vport->work_port_lock, iflag);
dea3101e
JB		 3596 return;
3597}
3598
3599void
2e0fef85 3600lpfc_els_timeout_handler(struct lpfc_vport *vport)
dea3101e 3601{
2e0fef85 3602 struct lpfc_hba *phba = vport->phba;
dea3101e
JB		 3603 struct lpfc_sli_ring *pring;
3604 struct lpfc_iocbq *tmp_iocb, *piocb;
3605 IOCB_t *cmd = NULL;
3606 struct lpfc_dmabuf *pcmd;
2e0fef85 3607 uint32_t els_command = 0;
dea3101e 3608 uint32_t timeout;
2e0fef85 3609 uint32_t remote_ID = 0xffffffff;
dea3101e 3610
dea3101e 3611 /* If the timer is already canceled do nothing */
2e0fef85 3612 if ((vport->work_port_events & WORKER_ELS_TMO) == 0) {
dea3101e
JB		 3613 return;
3614 }
2e0fef85 3615 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 3616 timeout = (uint32_t)(phba->fc_ratov << 1);
3617
3618 pring = &phba->sli.ring[LPFC_ELS_RING];
dea3101e
JB		 3619
3620 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) {
3621 cmd = &piocb->iocb;
3622
2e0fef85
JS		 3623 if ((piocb->iocb_flag & LPFC_IO_LIBDFC) != 0 ||
3624 piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN ||
3625 piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN)
dea3101e 3626 continue;
2e0fef85
JS		 3627
3628 if (piocb->vport != vport)
3629 continue;
3630
dea3101e 3631 pcmd = (struct lpfc_dmabuf *) piocb->context2;
2e0fef85
JS		 3632 if (pcmd)
3633 els_command = *(uint32_t *) (pcmd->virt);
dea3101e 3634
92d7f7b0
JS		 3635 if (els_command == ELS_CMD_FARP ||
3636 els_command == ELS_CMD_FARPR ||
3637 els_command == ELS_CMD_FDISC)
3638 continue;
3639
3640 if (vport != piocb->vport)
dea3101e 3641 continue;
dea3101e
JB		 3642
3643 if (piocb->drvrTimeout > 0) {
92d7f7b0 3644 if (piocb->drvrTimeout >= timeout)
dea3101e 3645 piocb->drvrTimeout -= timeout;
92d7f7b0 3646 else
dea3101e 3647 piocb->drvrTimeout = 0;
dea3101e
JB		 3648 continue;
3649 }
3650
2e0fef85
JS		 3651 remote_ID = 0xffffffff;
3652 if (cmd->ulpCommand != CMD_GEN_REQUEST64_CR)
dea3101e 3653 remote_ID = cmd->un.elsreq64.remoteID;
2e0fef85
JS		 3654 else {
3655 struct lpfc_nodelist *ndlp;
3656 ndlp = __lpfc_findnode_rpi(vport, cmd->ulpContext);
3657 if (ndlp)
3658 remote_ID = ndlp->nlp_DID;
dea3101e
JB		 3659 }
3660
92d7f7b0
JS		 3661 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
3662 "%d (%d):0127 ELS timeout Data: x%x x%x x%x "
3663 "x%x\n",
3664 phba->brd_no, vport->vpi, els_command,
dea3101e
JB		 3665 remote_ID, cmd->ulpCommand, cmd->ulpIoTag);
3666
07951076 3667 lpfc_sli_issue_abort_iotag(phba, pring, piocb);
dea3101e 3668 }
2e0fef85 3669 spin_unlock_irq(&phba->hbalock);
5a0e326d 3670
2e0fef85
JS		 3671 if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt)
3672 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
dea3101e
JB		 3673}
3674
3675void
2e0fef85 3676lpfc_els_flush_cmd(struct lpfc_vport *vport)
dea3101e 3677{
2534ba75 3678 LIST_HEAD(completions);
2e0fef85 3679 struct lpfc_hba *phba = vport->phba;
329f9bc7 3680 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
dea3101e
JB		 3681 struct lpfc_iocbq *tmp_iocb, *piocb;
3682 IOCB_t *cmd = NULL;
92d7f7b0
JS		 3683
3684 lpfc_fabric_abort_vport(vport);
dea3101e 3685
2e0fef85 3686 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 3687 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) {
3688 cmd = &piocb->iocb;
3689
3690 if (piocb->iocb_flag & LPFC_IO_LIBDFC) {
3691 continue;
3692 }
3693
3694 /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */
329f9bc7
JS		 3695 if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN ||
3696 cmd->ulpCommand == CMD_QUE_RING_BUF64_CN ||
3697 cmd->ulpCommand == CMD_CLOSE_XRI_CN ||
3698 cmd->ulpCommand == CMD_ABORT_XRI_CN)
dea3101e 3699 continue;
dea3101e 3700
2e0fef85
JS		 3701 if (piocb->vport != vport)
3702 continue;
3703
2534ba75 3704 list_move_tail(&piocb->list, &completions);
1dcb58e5 3705 pring->txq_cnt--;
dea3101e
JB		 3706 }
3707
3708 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) {
dea3101e
JB		 3709 if (piocb->iocb_flag & LPFC_IO_LIBDFC) {
3710 continue;
3711 }
dea3101e 3712
2e0fef85
JS		 3713 if (piocb->vport != vport)
3714 continue;
3715
07951076 3716 lpfc_sli_issue_abort_iotag(phba, pring, piocb);
dea3101e 3717 }
2e0fef85 3718 spin_unlock_irq(&phba->hbalock);
2534ba75 3719
2e0fef85 3720 while (!list_empty(&completions)) {
2534ba75
JS		 3721 piocb = list_get_first(&completions, struct lpfc_iocbq, list);
3722 cmd = &piocb->iocb;
92d7f7b0 3723 list_del_init(&piocb->list);
2534ba75 3724
2e0fef85
JS		 3725 if (!piocb->iocb_cmpl)
3726 lpfc_sli_release_iocbq(phba, piocb);
3727 else {
2534ba75
JS		 3728 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
3729 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
3730 (piocb->iocb_cmpl) (phba, piocb, piocb);
2e0fef85 3731 }
2534ba75
JS		 3732 }
3733
dea3101e
JB		 3734 return;
3735}
3736
549e55cd
JS		 3737void
3738lpfc_els_flush_all_cmd(struct lpfc_hba *phba)
3739{
3740 LIST_HEAD(completions);
3741 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
3742 struct lpfc_iocbq *tmp_iocb, *piocb;
3743 IOCB_t *cmd = NULL;
3744
3745 lpfc_fabric_abort_hba(phba);
3746 spin_lock_irq(&phba->hbalock);
3747 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) {
3748 cmd = &piocb->iocb;
3749 if (piocb->iocb_flag & LPFC_IO_LIBDFC)
3750 continue;
3751 /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */
3752 if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN ||
3753 cmd->ulpCommand == CMD_QUE_RING_BUF64_CN ||
3754 cmd->ulpCommand == CMD_CLOSE_XRI_CN ||
3755 cmd->ulpCommand == CMD_ABORT_XRI_CN)
3756 continue;
3757 list_move_tail(&piocb->list, &completions);
3758 pring->txq_cnt--;
3759 }
3760 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) {
3761 if (piocb->iocb_flag & LPFC_IO_LIBDFC)
3762 continue;
3763 lpfc_sli_issue_abort_iotag(phba, pring, piocb);
3764 }
3765 spin_unlock_irq(&phba->hbalock);
3766 while (!list_empty(&completions)) {
3767 piocb = list_get_first(&completions, struct lpfc_iocbq, list);
3768 cmd = &piocb->iocb;
3769 list_del_init(&piocb->list);
3770 if (!piocb->iocb_cmpl)
3771 lpfc_sli_release_iocbq(phba, piocb);
3772 else {
3773 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
3774 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
3775 (piocb->iocb_cmpl) (phba, piocb, piocb);
3776 }
3777 }
3778 return;
3779}
3780
ed957684
JS		 3781static void
3782lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
92d7f7b0 3783 struct lpfc_vport *vport, struct lpfc_iocbq *elsiocb)
dea3101e 3784{
dea3101e 3785 struct lpfc_nodelist *ndlp;
dea3101e 3786 struct ls_rjt stat;
92d7f7b0 3787 uint32_t *payload;
2e0fef85 3788 uint32_t cmd, did, newnode, rjt_err = 0;
ed957684 3789 IOCB_t *icmd = &elsiocb->iocb;
dea3101e 3790
92d7f7b0 3791 if (vport == NULL || elsiocb->context2 == NULL)
dea3101e 3792 goto dropit;
2e0fef85 3793
dea3101e 3794 newnode = 0;
92d7f7b0
JS		 3795 payload = ((struct lpfc_dmabuf *)elsiocb->context2)->virt;
3796 cmd = *payload;
ed957684
JS		 3797 if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) == 0)
3798 lpfc_post_buffer(phba, pring, 1, 1);
dea3101e 3799
858c9f6c
JS		 3800 did = icmd->un.rcvels.remoteID;
3801 if (icmd->ulpStatus) {
3802 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3803 "RCV Unsol ELS: status:x%x/x%x did:x%x",
3804 icmd->ulpStatus, icmd->un.ulpWord[4], did);
dea3101e 3805 goto dropit;
858c9f6c 3806 }
dea3101e
JB		 3807
3808 /* Check to see if link went down during discovery */
ed957684 3809 if (lpfc_els_chk_latt(vport))
dea3101e 3810 goto dropit;
dea3101e 3811
92d7f7b0
JS		 3812 /* Ignore traffic recevied during vport shutdown. */
3813 if (vport->load_flag & FC_UNLOADING)
3814 goto dropit;
3815
2e0fef85 3816 ndlp = lpfc_findnode_did(vport, did);
c9f8735b 3817 if (!ndlp) {
dea3101e 3818 /* Cannot find existing Fabric ndlp, so allocate a new one */
c9f8735b 3819 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
ed957684 3820 if (!ndlp)
dea3101e 3821 goto dropit;
dea3101e 3822
2e0fef85 3823 lpfc_nlp_init(vport, ndlp, did);
dea3101e
JB		 3824 newnode = 1;
3825 if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) {
3826 ndlp->nlp_type |= NLP_FABRIC;
3827 }
2e0fef85 3828 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE);
dea3101e
JB		 3829 }
3830
3831 phba->fc_stat.elsRcvFrame++;
329f9bc7
JS		 3832 if (elsiocb->context1)
3833 lpfc_nlp_put(elsiocb->context1);
3834 elsiocb->context1 = lpfc_nlp_get(ndlp);
2e0fef85 3835 elsiocb->vport = vport;
dea3101e
JB		 3836
3837 if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) {
3838 cmd &= ELS_CMD_MASK;
3839 }
3840 /* ELS command <elsCmd> received from NPORT <did> */
3841 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
92d7f7b0
JS		 3842 "%d (%d):0112 ELS command x%x received from NPORT x%x "
3843 "Data: x%x\n", phba->brd_no, vport->vpi, cmd, did,
ed957684 3844 vport->port_state);
dea3101e
JB		 3845
3846 switch (cmd) {
3847 case ELS_CMD_PLOGI:
858c9f6c
JS		 3848 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3849 "RCV PLOGI: did:x%x/ste:x%x flg:x%x",
3850 did, vport->port_state, ndlp->nlp_flag);
3851
dea3101e 3852 phba->fc_stat.elsRcvPLOGI++;
858c9f6c
JS		 3853 ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp);
3854
3855 if (vport->port_state < LPFC_DISC_AUTH) {
3856 rjt_err = LSRJT_UNABLE_TPC;
dea3101e
JB		 3857 break;
3858 }
2e0fef85
JS		 3859 lpfc_disc_state_machine(vport, ndlp, elsiocb,
3860 NLP_EVT_RCV_PLOGI);
858c9f6c 3861
dea3101e
JB		 3862 break;
3863 case ELS_CMD_FLOGI:
858c9f6c
JS		 3864 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3865 "RCV FLOGI: did:x%x/ste:x%x flg:x%x",
3866 did, vport->port_state, ndlp->nlp_flag);
3867
dea3101e 3868 phba->fc_stat.elsRcvFLOGI++;
2e0fef85 3869 lpfc_els_rcv_flogi(vport, elsiocb, ndlp, newnode);
de0c5b32 3870 if (newnode)
2e0fef85 3871 lpfc_drop_node(vport, ndlp);
dea3101e
JB		 3872 break;
3873 case ELS_CMD_LOGO:
858c9f6c
JS		 3874 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3875 "RCV LOGO: did:x%x/ste:x%x flg:x%x",
3876 did, vport->port_state, ndlp->nlp_flag);
3877
dea3101e 3878 phba->fc_stat.elsRcvLOGO++;
2e0fef85 3879 if (vport->port_state < LPFC_DISC_AUTH) {
858c9f6c 3880 rjt_err = LSRJT_UNABLE_TPC;
dea3101e
JB		 3881 break;
3882 }
2e0fef85 3883 lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_LOGO);
dea3101e
JB		 3884 break;
3885 case ELS_CMD_PRLO:
858c9f6c
JS		 3886 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3887 "RCV PRLO: did:x%x/ste:x%x flg:x%x",
3888 did, vport->port_state, ndlp->nlp_flag);
3889
dea3101e 3890 phba->fc_stat.elsRcvPRLO++;
2e0fef85 3891 if (vport->port_state < LPFC_DISC_AUTH) {
858c9f6c 3892 rjt_err = LSRJT_UNABLE_TPC;
dea3101e
JB		 3893 break;
3894 }
2e0fef85 3895 lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLO);
dea3101e
JB		 3896 break;
3897 case ELS_CMD_RSCN:
3898 phba->fc_stat.elsRcvRSCN++;
2e0fef85 3899 lpfc_els_rcv_rscn(vport, elsiocb, ndlp, newnode);
de0c5b32 3900 if (newnode)
2e0fef85 3901 lpfc_drop_node(vport, ndlp);
dea3101e
JB		 3902 break;
3903 case ELS_CMD_ADISC:
858c9f6c
JS		 3904 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3905 "RCV ADISC: did:x%x/ste:x%x flg:x%x",
3906 did, vport->port_state, ndlp->nlp_flag);
3907
dea3101e 3908 phba->fc_stat.elsRcvADISC++;
2e0fef85 3909 if (vport->port_state < LPFC_DISC_AUTH) {
858c9f6c 3910 rjt_err = LSRJT_UNABLE_TPC;
dea3101e
JB		 3911 break;
3912 }
2e0fef85
JS		 3913 lpfc_disc_state_machine(vport, ndlp, elsiocb,
3914 NLP_EVT_RCV_ADISC);
dea3101e
JB		 3915 break;
3916 case ELS_CMD_PDISC:
858c9f6c
JS		 3917 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3918 "RCV PDISC: did:x%x/ste:x%x flg:x%x",
3919 did, vport->port_state, ndlp->nlp_flag);
3920
dea3101e 3921 phba->fc_stat.elsRcvPDISC++;
2e0fef85 3922 if (vport->port_state < LPFC_DISC_AUTH) {
858c9f6c 3923 rjt_err = LSRJT_UNABLE_TPC;
dea3101e
JB		 3924 break;
3925 }
2e0fef85
JS		 3926 lpfc_disc_state_machine(vport, ndlp, elsiocb,
3927 NLP_EVT_RCV_PDISC);
dea3101e
JB		 3928 break;
3929 case ELS_CMD_FARPR:
858c9f6c
JS		 3930 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3931 "RCV FARPR: did:x%x/ste:x%x flg:x%x",
3932 did, vport->port_state, ndlp->nlp_flag);
3933
dea3101e 3934 phba->fc_stat.elsRcvFARPR++;
2e0fef85 3935 lpfc_els_rcv_farpr(vport, elsiocb, ndlp);
dea3101e
JB		 3936 break;
3937 case ELS_CMD_FARP:
858c9f6c
JS		 3938 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3939 "RCV FARP: did:x%x/ste:x%x flg:x%x",
3940 did, vport->port_state, ndlp->nlp_flag);
3941
dea3101e 3942 phba->fc_stat.elsRcvFARP++;
2e0fef85 3943 lpfc_els_rcv_farp(vport, elsiocb, ndlp);
dea3101e
JB		 3944 break;
3945 case ELS_CMD_FAN:
858c9f6c
JS		 3946 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3947 "RCV FAN: did:x%x/ste:x%x flg:x%x",
3948 did, vport->port_state, ndlp->nlp_flag);
3949
dea3101e 3950 phba->fc_stat.elsRcvFAN++;
2e0fef85 3951 lpfc_els_rcv_fan(vport, elsiocb, ndlp);
dea3101e 3952 break;
dea3101e 3953 case ELS_CMD_PRLI:
858c9f6c
JS		 3954 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3955 "RCV PRLI: did:x%x/ste:x%x flg:x%x",
3956 did, vport->port_state, ndlp->nlp_flag);
3957
dea3101e 3958 phba->fc_stat.elsRcvPRLI++;
2e0fef85 3959 if (vport->port_state < LPFC_DISC_AUTH) {
858c9f6c 3960 rjt_err = LSRJT_UNABLE_TPC;
dea3101e
JB		 3961 break;
3962 }
2e0fef85 3963 lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLI);
dea3101e 3964 break;
7bb3b137 3965 case ELS_CMD_LIRR:
858c9f6c
JS		 3966 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3967 "RCV LIRR: did:x%x/ste:x%x flg:x%x",
3968 did, vport->port_state, ndlp->nlp_flag);
3969
7bb3b137 3970 phba->fc_stat.elsRcvLIRR++;
2e0fef85 3971 lpfc_els_rcv_lirr(vport, elsiocb, ndlp);
de0c5b32 3972 if (newnode)
2e0fef85 3973 lpfc_drop_node(vport, ndlp);
7bb3b137
JW		 3974 break;
3975 case ELS_CMD_RPS:
858c9f6c
JS		 3976 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3977 "RCV RPS: did:x%x/ste:x%x flg:x%x",
3978 did, vport->port_state, ndlp->nlp_flag);
3979
7bb3b137 3980 phba->fc_stat.elsRcvRPS++;
2e0fef85 3981 lpfc_els_rcv_rps(vport, elsiocb, ndlp);
de0c5b32 3982 if (newnode)
2e0fef85 3983 lpfc_drop_node(vport, ndlp);
7bb3b137
JW		 3984 break;
3985 case ELS_CMD_RPL:
858c9f6c
JS		 3986 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3987 "RCV RPL: did:x%x/ste:x%x flg:x%x",
3988 did, vport->port_state, ndlp->nlp_flag);
3989
7bb3b137 3990 phba->fc_stat.elsRcvRPL++;
2e0fef85 3991 lpfc_els_rcv_rpl(vport, elsiocb, ndlp);
de0c5b32 3992 if (newnode)
2e0fef85 3993 lpfc_drop_node(vport, ndlp);
7bb3b137 3994 break;
dea3101e 3995 case ELS_CMD_RNID:
858c9f6c
JS		 3996 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3997 "RCV RNID: did:x%x/ste:x%x flg:x%x",
3998 did, vport->port_state, ndlp->nlp_flag);
3999
dea3101e 4000 phba->fc_stat.elsRcvRNID++;
2e0fef85 4001 lpfc_els_rcv_rnid(vport, elsiocb, ndlp);
de0c5b32 4002 if (newnode)
2e0fef85 4003 lpfc_drop_node(vport, ndlp);
dea3101e
JB		 4004 break;
4005 default:
858c9f6c
JS		 4006 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
4007 "RCV ELS cmd: cmd:x%x did:x%x/ste:x%x",
4008 cmd, did, vport->port_state);
4009
dea3101e 4010 /* Unsupported ELS command, reject */
858c9f6c 4011 rjt_err = LSRJT_INVALID_CMD;
dea3101e
JB		 4012
4013 /* Unknown ELS command <elsCmd> received from NPORT <did> */
4014 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
92d7f7b0 4015 "%d (%d):0115 Unknown ELS command x%x "
ed957684 4016 "received from NPORT x%x\n",
92d7f7b0 4017 phba->brd_no, vport->vpi, cmd, did);
de0c5b32 4018 if (newnode)
2e0fef85 4019 lpfc_drop_node(vport, ndlp);
dea3101e
JB		 4020 break;
4021 }
4022
4023 /* check if need to LS_RJT received ELS cmd */
4024 if (rjt_err) {
92d7f7b0 4025 memset(&stat, 0, sizeof(stat));
858c9f6c 4026 stat.un.b.lsRjtRsnCode = rjt_err;
1f679caf 4027 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
858c9f6c
JS		 4028 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, elsiocb, ndlp,
4029 NULL);
92d7f7b0
JS		 4030 if (newnode)
4031 lpfc_drop_node(vport, ndlp);
dea3101e
JB		 4032 }
4033
ed957684
JS		 4034 return;
4035
4036dropit:
4037 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
92d7f7b0 4038 "%d (%d):0111 Dropping received ELS cmd "
ed957684 4039 "Data: x%x x%x x%x\n",
92d7f7b0 4040 phba->brd_no, vport ? vport->vpi : 0xffff,
ed957684
JS		 4041 icmd->ulpStatus, icmd->un.ulpWord[4],
4042 icmd->ulpTimeout);
4043 phba->fc_stat.elsRcvDrop++;
4044}
4045
92d7f7b0
JS		 4046static struct lpfc_vport *
4047lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
4048{
4049 struct lpfc_vport *vport;
549e55cd 4050 unsigned long flags;
92d7f7b0 4051
549e55cd 4052 spin_lock_irqsave(&phba->hbalock, flags);
92d7f7b0 4053 list_for_each_entry(vport, &phba->port_list, listentry) {
549e55cd
JS		 4054 if (vport->vpi == vpi) {
4055 spin_unlock_irqrestore(&phba->hbalock, flags);
92d7f7b0 4056 return vport;
549e55cd 4057 }
92d7f7b0 4058 }
549e55cd 4059 spin_unlock_irqrestore(&phba->hbalock, flags);
92d7f7b0
JS		 4060 return NULL;
4061}
ed957684
JS		 4062
4063void
4064lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
4065 struct lpfc_iocbq *elsiocb)
4066{
4067 struct lpfc_vport *vport = phba->pport;
ed957684 4068 IOCB_t *icmd = &elsiocb->iocb;
ed957684 4069 dma_addr_t paddr;
92d7f7b0
JS		 4070 struct lpfc_dmabuf *bdeBuf1 = elsiocb->context2;
4071 struct lpfc_dmabuf *bdeBuf2 = elsiocb->context3;
4072
4073 elsiocb->context2 = NULL;
4074 elsiocb->context3 = NULL;
ed957684 4075
92d7f7b0
JS		 4076 if (icmd->ulpStatus == IOSTAT_NEED_BUFFER) {
4077 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
4078 } else if (icmd->ulpStatus == IOSTAT_LOCAL_REJECT &&
4079 (icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING) {
ed957684
JS		 4080 phba->fc_stat.NoRcvBuf++;
4081 /* Not enough posted buffers; Try posting more buffers */
92d7f7b0 4082 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
ed957684
JS		 4083 lpfc_post_buffer(phba, pring, 0, 1);
4084 return;
4085 }
4086
92d7f7b0
JS		 4087 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
4088 (icmd->ulpCommand == CMD_IOCB_RCV_ELS64_CX ||
4089 icmd->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) {
4090 if (icmd->unsli3.rcvsli3.vpi == 0xffff)
4091 vport = phba->pport;
4092 else {
4093 uint16_t vpi = icmd->unsli3.rcvsli3.vpi;
4094 vport = lpfc_find_vport_by_vpid(phba, vpi);
4095 }
4096 }
4097 /* If there are no BDEs associated
4098 * with this IOCB, there is nothing to do.
4099 */
ed957684
JS		 4100 if (icmd->ulpBdeCount == 0)
4101 return;
4102
92d7f7b0
JS		 4103 /* type of ELS cmd is first 32bit word
4104 * in packet
4105 */
ed957684 4106 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
92d7f7b0 4107 elsiocb->context2 = bdeBuf1;
ed957684
JS		 4108 } else {
4109 paddr = getPaddr(icmd->un.cont64[0].addrHigh,
4110 icmd->un.cont64[0].addrLow);
92d7f7b0
JS		 4111 elsiocb->context2 = lpfc_sli_ringpostbuf_get(phba, pring,
4112 paddr);
ed957684
JS		 4113 }
4114
92d7f7b0
JS		 4115 lpfc_els_unsol_buffer(phba, pring, vport, elsiocb);
4116 /*
4117 * The different unsolicited event handlers would tell us
4118 * if they are done with "mp" by setting context2 to NULL.
4119 */
329f9bc7
JS		 4120 lpfc_nlp_put(elsiocb->context1);
4121 elsiocb->context1 = NULL;
dea3101e 4122 if (elsiocb->context2) {
92d7f7b0
JS		 4123 lpfc_in_buf_free(phba, (struct lpfc_dmabuf *)elsiocb->context2);
4124 elsiocb->context2 = NULL;
dea3101e 4125 }
ed957684
JS		 4126
4127 /* RCV_ELS64_CX provide for 2 BDEs - process 2nd if included */
92d7f7b0 4128 if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) &&
ed957684 4129 icmd->ulpBdeCount == 2) {
92d7f7b0
JS		 4130 elsiocb->context2 = bdeBuf2;
4131 lpfc_els_unsol_buffer(phba, pring, vport, elsiocb);
ed957684
JS		 4132 /* free mp if we are done with it */
4133 if (elsiocb->context2) {
92d7f7b0
JS		 4134 lpfc_in_buf_free(phba, elsiocb->context2);
4135 elsiocb->context2 = NULL;
4136 }
4137 }
4138}
4139
4140void
4141lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport)
4142{
4143 struct lpfc_nodelist *ndlp, *ndlp_fdmi;
4144
4145 ndlp = lpfc_findnode_did(vport, NameServer_DID);
4146 if (!ndlp) {
4147 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
4148 if (!ndlp) {
4149 if (phba->fc_topology == TOPOLOGY_LOOP) {
4150 lpfc_disc_start(vport);
4151 return;
4152 }
4153 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4154 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
4155 "%d (%d):0251 NameServer login: no memory\n",
4156 phba->brd_no, vport->vpi);
4157 return;
4158 }
4159 lpfc_nlp_init(vport, ndlp, NameServer_DID);
4160 ndlp->nlp_type |= NLP_FABRIC;
4161 }
4162
4163 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
4164
4165 if (lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0)) {
4166 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4167 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
4168 "%d (%d):0252 Cannot issue NameServer login\n",
4169 phba->brd_no, vport->vpi);
4170 return;
4171 }
4172
3de2a653 4173 if (vport->cfg_fdmi_on) {
92d7f7b0
JS		 4174 ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool,
4175 GFP_KERNEL);
4176 if (ndlp_fdmi) {
4177 lpfc_nlp_init(vport, ndlp_fdmi, FDMI_DID);
4178 ndlp_fdmi->nlp_type |= NLP_FABRIC;
4179 ndlp_fdmi->nlp_state =
4180 NLP_STE_PLOGI_ISSUE;
4181 lpfc_issue_els_plogi(vport, ndlp_fdmi->nlp_DID,
4182 0);
4183 }
4184 }
4185 return;
4186}
4187
4188static void
4189lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
4190{
4191 struct lpfc_vport *vport = pmb->vport;
4192 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4193 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
4194 MAILBOX_t *mb = &pmb->mb;
4195
4196 vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
4197 lpfc_nlp_put(ndlp);
4198
4199 if (mb->mbxStatus) {
4200 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
4201 "%d (%d):0915 Register VPI failed: 0x%x\n",
4202 phba->brd_no, vport->vpi, mb->mbxStatus);
4203
4204 switch (mb->mbxStatus) {
4205 case 0x11: /* unsupported feature */
4206 case 0x9603: /* max_vpi exceeded */
4207 /* giving up on vport registration */
4208 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4209 spin_lock_irq(shost->host_lock);
4210 vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
4211 spin_unlock_irq(shost->host_lock);
4212 lpfc_can_disctmo(vport);
4213 break;
4214 default:
4215 /* Try to recover from this error */
4216 lpfc_mbx_unreg_vpi(vport);
4217 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
4218 lpfc_initial_fdisc(vport);
4219 break;
4220 }
4221
4222 } else {
4223 if (vport == phba->pport)
4224 lpfc_issue_fabric_reglogin(vport);
4225 else
4226 lpfc_do_scr_ns_plogi(phba, vport);
4227 }
4228 mempool_free(pmb, phba->mbox_mem_pool);
4229 return;
4230}
4231
4232void
4233lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport,
4234 struct lpfc_nodelist *ndlp)
4235{
4236 LPFC_MBOXQ_t *mbox;
4237
4238 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4239 if (mbox) {
4240 lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, mbox);
4241 mbox->vport = vport;
4242 mbox->context2 = lpfc_nlp_get(ndlp);
4243 mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport;
4244 if (lpfc_sli_issue_mbox(phba, mbox,
4245 MBX_NOWAIT | MBX_STOP_IOCB)
4246 == MBX_NOT_FINISHED) {
4247 mempool_free(mbox, phba->mbox_mem_pool);
4248 vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
4249
4250 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4251
4252 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
4253 "%d (%d):0253 Register VPI: Cannot send mbox\n",
4254 phba->brd_no, vport->vpi);
4255 }
4256 } else {
4257 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4258
4259 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
4260 "%d (%d):0254 Register VPI: no memory\n",
4261 phba->brd_no, vport->vpi);
4262
4263 vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
4264 lpfc_nlp_put(ndlp);
4265 }
4266}
4267
4268static void
4269lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4270 struct lpfc_iocbq *rspiocb)
4271{
4272 struct lpfc_vport *vport = cmdiocb->vport;
4273 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4274 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
4275 struct lpfc_nodelist *np;
4276 struct lpfc_nodelist *next_np;
4277 IOCB_t *irsp = &rspiocb->iocb;
4278 struct lpfc_iocbq *piocb;
4279
4280 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
4281 "%d (%d):0123 FDISC completes. x%x/x%x prevDID: x%x\n",
4282 phba->brd_no, vport->vpi,
4283 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_prevDID);
4284
4285 /* Since all FDISCs are being single threaded, we
4286 * must reset the discovery timer for ALL vports
4287 * waiting to send FDISC when one completes.
4288 */
4289 list_for_each_entry(piocb, &phba->fabric_iocb_list, list) {
4290 lpfc_set_disctmo(piocb->vport);
4291 }
4292
858c9f6c
JS		 4293 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
4294 "FDISC cmpl: status:x%x/x%x prevdid:x%x",
4295 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_prevDID);
4296
92d7f7b0
JS		 4297 if (irsp->ulpStatus) {
4298 /* Check for retry */
4299 if (lpfc_els_retry(phba, cmdiocb, rspiocb))
4300 goto out;
4301
4302 /* FDISC failed */
4303 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
4304 "%d (%d):0124 FDISC failed. (%d/%d)\n",
4305 phba->brd_no, vport->vpi,
4306 irsp->ulpStatus, irsp->un.ulpWord[4]);
858c9f6c 4307
92d7f7b0
JS		 4308 if (vport->fc_vport->vport_state == FC_VPORT_INITIALIZING)
4309 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4310
4311 lpfc_nlp_put(ndlp);
4312 /* giving up on FDISC. Cancel discovery timer */
4313 lpfc_can_disctmo(vport);
4314 } else {
4315 spin_lock_irq(shost->host_lock);
4316 vport->fc_flag |= FC_FABRIC;
4317 if (vport->phba->fc_topology == TOPOLOGY_LOOP)
4318 vport->fc_flag |= FC_PUBLIC_LOOP;
4319 spin_unlock_irq(shost->host_lock);
4320
4321 vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID;
4322 lpfc_vport_set_state(vport, FC_VPORT_ACTIVE);
4323 if ((vport->fc_prevDID != vport->fc_myDID) &&
4324 !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) {
4325 /* If our NportID changed, we need to ensure all
4326 * remaining NPORTs get unreg_login'ed so we can
4327 * issue unreg_vpi.
4328 */
4329 list_for_each_entry_safe(np, next_np,
4330 &vport->fc_nodes, nlp_listp) {
4331 if (np->nlp_state != NLP_STE_NPR_NODE
4332 || !(np->nlp_flag & NLP_NPR_ADISC))
4333 continue;
4334 spin_lock_irq(shost->host_lock);
4335 np->nlp_flag &= ~NLP_NPR_ADISC;
4336 spin_unlock_irq(shost->host_lock);
4337 lpfc_unreg_rpi(vport, np);
4338 }
4339 lpfc_mbx_unreg_vpi(vport);
4340 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
4341 }
4342
4343 if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)
4344 lpfc_register_new_vport(phba, vport, ndlp);
4345 else
4346 lpfc_do_scr_ns_plogi(phba, vport);
4347
4348 lpfc_nlp_put(ndlp); /* Free Fabric ndlp for vports */
4349 }
4350
4351out:
4352 lpfc_els_free_iocb(phba, cmdiocb);
4353}
4354
4355int
4356lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
4357 uint8_t retry)
4358{
4359 struct lpfc_hba *phba = vport->phba;
4360 IOCB_t *icmd;
4361 struct lpfc_iocbq *elsiocb;
4362 struct serv_parm *sp;
4363 uint8_t *pcmd;
4364 uint16_t cmdsize;
4365 int did = ndlp->nlp_DID;
4366 int rc;
92d7f7b0
JS		 4367
4368 cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm));
4369 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did,
4370 ELS_CMD_FDISC);
4371 if (!elsiocb) {
92d7f7b0
JS		 4372 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4373
4374 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
4375 "%d (%d):0255 Issue FDISC: no IOCB\n",
4376 phba->brd_no, vport->vpi);
4377 return 1;
4378 }
4379
4380 icmd = &elsiocb->iocb;
4381 icmd->un.elsreq64.myID = 0;
4382 icmd->un.elsreq64.fl = 1;
4383
4384 /* For FDISC, Let FDISC rsp set the NPortID for this VPI */
4385 icmd->ulpCt_h = 1;
4386 icmd->ulpCt_l = 0;
4387
4388 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
4389 *((uint32_t *) (pcmd)) = ELS_CMD_FDISC;
4390 pcmd += sizeof(uint32_t); /* CSP Word 1 */
4391 memcpy(pcmd, &vport->phba->pport->fc_sparam, sizeof(struct serv_parm));
4392 sp = (struct serv_parm *) pcmd;
4393 /* Setup CSPs accordingly for Fabric */
4394 sp->cmn.e_d_tov = 0;
4395 sp->cmn.w2.r_a_tov = 0;
4396 sp->cls1.classValid = 0;
4397 sp->cls2.seqDelivery = 1;
4398 sp->cls3.seqDelivery = 1;
4399
4400 pcmd += sizeof(uint32_t); /* CSP Word 2 */
4401 pcmd += sizeof(uint32_t); /* CSP Word 3 */
4402 pcmd += sizeof(uint32_t); /* CSP Word 4 */
4403 pcmd += sizeof(uint32_t); /* Port Name */
4404 memcpy(pcmd, &vport->fc_portname, 8);
4405 pcmd += sizeof(uint32_t); /* Node Name */
4406 pcmd += sizeof(uint32_t); /* Node Name */
4407 memcpy(pcmd, &vport->fc_nodename, 8);
4408
4409 lpfc_set_disctmo(vport);
4410
4411 phba->fc_stat.elsXmitFDISC++;
4412 elsiocb->iocb_cmpl = lpfc_cmpl_els_fdisc;
4413
858c9f6c
JS		 4414 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
4415 "Issue FDISC: did:x%x",
4416 did, 0, 0);
4417
92d7f7b0
JS		 4418 rc = lpfc_issue_fabric_iocb(phba, elsiocb);
4419 if (rc == IOCB_ERROR) {
4420 lpfc_els_free_iocb(phba, elsiocb);
92d7f7b0
JS		 4421 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4422
4423 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
4424 "%d (%d):0256 Issue FDISC: Cannot send IOCB\n",
4425 phba->brd_no, vport->vpi);
4426
4427 return 1;
4428 }
4429 lpfc_vport_set_state(vport, FC_VPORT_INITIALIZING);
4430 vport->port_state = LPFC_FDISC;
4431 return 0;
4432}
4433
4434static void
4435lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4436 struct lpfc_iocbq *rspiocb)
4437{
4438 struct lpfc_vport *vport = cmdiocb->vport;
858c9f6c
JS		 4439 IOCB_t *irsp;
4440
4441 irsp = &rspiocb->iocb;
4442 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
4443 "LOGO npiv cmpl: status:x%x/x%x did:x%x",
4444 irsp->ulpStatus, irsp->un.ulpWord[4], irsp->un.rcvels.remoteID);
92d7f7b0
JS		 4445
4446 lpfc_els_free_iocb(phba, cmdiocb);
4447 vport->unreg_vpi_cmpl = VPORT_ERROR;
4448}
4449
4450int
4451lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4452{
4453 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4454 struct lpfc_hba *phba = vport->phba;
4455 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
4456 IOCB_t *icmd;
4457 struct lpfc_iocbq *elsiocb;
4458 uint8_t *pcmd;
4459 uint16_t cmdsize;
4460
4461 cmdsize = 2 * sizeof(uint32_t) + sizeof(struct lpfc_name);
4462 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, 0, ndlp, ndlp->nlp_DID,
4463 ELS_CMD_LOGO);
4464 if (!elsiocb)
4465 return 1;
4466
4467 icmd = &elsiocb->iocb;
4468 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
4469 *((uint32_t *) (pcmd)) = ELS_CMD_LOGO;
4470 pcmd += sizeof(uint32_t);
4471
4472 /* Fill in LOGO payload */
4473 *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID);
4474 pcmd += sizeof(uint32_t);
4475 memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name));
4476
858c9f6c
JS		 4477 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
4478 "Issue LOGO npiv did:x%x flg:x%x",
4479 ndlp->nlp_DID, ndlp->nlp_flag, 0);
4480
92d7f7b0
JS		 4481 elsiocb->iocb_cmpl = lpfc_cmpl_els_npiv_logo;
4482 spin_lock_irq(shost->host_lock);
4483 ndlp->nlp_flag |= NLP_LOGO_SND;
4484 spin_unlock_irq(shost->host_lock);
4485 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
4486 spin_lock_irq(shost->host_lock);
4487 ndlp->nlp_flag &= ~NLP_LOGO_SND;
4488 spin_unlock_irq(shost->host_lock);
4489 lpfc_els_free_iocb(phba, elsiocb);
4490 return 1;
4491 }
4492 return 0;
4493}
4494
4495void
4496lpfc_fabric_block_timeout(unsigned long ptr)
4497{
4498 struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
4499 unsigned long iflags;
4500 uint32_t tmo_posted;
4501 spin_lock_irqsave(&phba->pport->work_port_lock, iflags);
4502 tmo_posted = phba->pport->work_port_events & WORKER_FABRIC_BLOCK_TMO;
4503 if (!tmo_posted)
4504 phba->pport->work_port_events |= WORKER_FABRIC_BLOCK_TMO;
4505 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags);
4506
4507 if (!tmo_posted) {
4508 spin_lock_irqsave(&phba->hbalock, iflags);
4509 if (phba->work_wait)
4510 lpfc_worker_wake_up(phba);
4511 spin_unlock_irqrestore(&phba->hbalock, iflags);
4512 }
4513}
4514
4515static void
4516lpfc_resume_fabric_iocbs(struct lpfc_hba *phba)
4517{
4518 struct lpfc_iocbq *iocb;
4519 unsigned long iflags;
4520 int ret;
4521 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
4522 IOCB_t *cmd;
4523
4524repeat:
4525 iocb = NULL;
4526 spin_lock_irqsave(&phba->hbalock, iflags);
4527 /* Post any pending iocb to the SLI layer */
4528 if (atomic_read(&phba->fabric_iocb_count) == 0) {
4529 list_remove_head(&phba->fabric_iocb_list, iocb, typeof(*iocb),
4530 list);
4531 if (iocb)
4532 atomic_inc(&phba->fabric_iocb_count);
4533 }
4534 spin_unlock_irqrestore(&phba->hbalock, iflags);
4535 if (iocb) {
4536 iocb->fabric_iocb_cmpl = iocb->iocb_cmpl;
4537 iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb;
4538 iocb->iocb_flag |= LPFC_IO_FABRIC;
4539
858c9f6c
JS		 4540 lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD,
4541 "Fabric sched1: ste:x%x",
4542 iocb->vport->port_state, 0, 0);
4543
92d7f7b0
JS		 4544 ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0);
4545
4546 if (ret == IOCB_ERROR) {
4547 iocb->iocb_cmpl = iocb->fabric_iocb_cmpl;
4548 iocb->fabric_iocb_cmpl = NULL;
4549 iocb->iocb_flag &= ~LPFC_IO_FABRIC;
4550 cmd = &iocb->iocb;
4551 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
4552 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
4553 iocb->iocb_cmpl(phba, iocb, iocb);
4554
4555 atomic_dec(&phba->fabric_iocb_count);
4556 goto repeat;
4557 }
4558 }
4559
4560 return;
4561}
4562
4563void
4564lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba)
4565{
4566 clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
4567
4568 lpfc_resume_fabric_iocbs(phba);
4569 return;
4570}
4571
4572static void
4573lpfc_block_fabric_iocbs(struct lpfc_hba *phba)
4574{
4575 int blocked;
4576
4577 blocked = test_and_set_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
4578 /* Start a timer to unblock fabric
4579 * iocbs after 100ms
4580 */
4581 if (!blocked)
4582 mod_timer(&phba->fabric_block_timer, jiffies + HZ/10 );
4583
4584 return;
4585}
4586
4587static void
4588lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4589 struct lpfc_iocbq *rspiocb)
4590{
4591 struct ls_rjt stat;
4592
4593 if ((cmdiocb->iocb_flag & LPFC_IO_FABRIC) != LPFC_IO_FABRIC)
4594 BUG();
4595
4596 switch (rspiocb->iocb.ulpStatus) {
4597 case IOSTAT_NPORT_RJT:
4598 case IOSTAT_FABRIC_RJT:
4599 if (rspiocb->iocb.un.ulpWord[4] & RJT_UNAVAIL_TEMP) {
4600 lpfc_block_fabric_iocbs(phba);
ed957684 4601 }
92d7f7b0
JS		 4602 break;
4603
4604 case IOSTAT_NPORT_BSY:
4605 case IOSTAT_FABRIC_BSY:
4606 lpfc_block_fabric_iocbs(phba);
4607 break;
4608
4609 case IOSTAT_LS_RJT:
4610 stat.un.lsRjtError =
4611 be32_to_cpu(rspiocb->iocb.un.ulpWord[4]);
4612 if ((stat.un.b.lsRjtRsnCode == LSRJT_UNABLE_TPC) ||
4613 (stat.un.b.lsRjtRsnCode == LSRJT_LOGICAL_BSY))
4614 lpfc_block_fabric_iocbs(phba);
4615 break;
4616 }
4617
4618 if (atomic_read(&phba->fabric_iocb_count) == 0)
4619 BUG();
4620
4621 cmdiocb->iocb_cmpl = cmdiocb->fabric_iocb_cmpl;
4622 cmdiocb->fabric_iocb_cmpl = NULL;
4623 cmdiocb->iocb_flag &= ~LPFC_IO_FABRIC;
4624 cmdiocb->iocb_cmpl(phba, cmdiocb, rspiocb);
4625
4626 atomic_dec(&phba->fabric_iocb_count);
4627 if (!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags)) {
4628 /* Post any pending iocbs to HBA */
4629 lpfc_resume_fabric_iocbs(phba);
4630 }
4631}
4632
4633int
4634lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb)
4635{
4636 unsigned long iflags;
4637 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
4638 int ready;
4639 int ret;
4640
4641 if (atomic_read(&phba->fabric_iocb_count) > 1)
4642 BUG();
4643
4644 spin_lock_irqsave(&phba->hbalock, iflags);
4645 ready = atomic_read(&phba->fabric_iocb_count) == 0 &&
4646 !test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
4647
4648 spin_unlock_irqrestore(&phba->hbalock, iflags);
4649 if (ready) {
4650 iocb->fabric_iocb_cmpl = iocb->iocb_cmpl;
4651 iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb;
4652 iocb->iocb_flag |= LPFC_IO_FABRIC;
4653
858c9f6c
JS		 4654 lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD,
4655 "Fabric sched2: ste:x%x",
4656 iocb->vport->port_state, 0, 0);
4657
92d7f7b0
JS		 4658 atomic_inc(&phba->fabric_iocb_count);
4659 ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0);
4660
4661 if (ret == IOCB_ERROR) {
4662 iocb->iocb_cmpl = iocb->fabric_iocb_cmpl;
4663 iocb->fabric_iocb_cmpl = NULL;
4664 iocb->iocb_flag &= ~LPFC_IO_FABRIC;
4665 atomic_dec(&phba->fabric_iocb_count);
4666 }
4667 } else {
4668 spin_lock_irqsave(&phba->hbalock, iflags);
4669 list_add_tail(&iocb->list, &phba->fabric_iocb_list);
4670 spin_unlock_irqrestore(&phba->hbalock, iflags);
4671 ret = IOCB_SUCCESS;
4672 }
4673 return ret;
4674}
4675
4676
4677void lpfc_fabric_abort_vport(struct lpfc_vport *vport)
4678{
4679 LIST_HEAD(completions);
4680 struct lpfc_hba *phba = vport->phba;
4681 struct lpfc_iocbq *tmp_iocb, *piocb;
4682 IOCB_t *cmd;
4683
4684 spin_lock_irq(&phba->hbalock);
4685 list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list,
4686 list) {
4687
4688 if (piocb->vport != vport)
4689 continue;
4690
4691 list_move_tail(&piocb->list, &completions);
4692 }
4693 spin_unlock_irq(&phba->hbalock);
4694
4695 while (!list_empty(&completions)) {
4696 piocb = list_get_first(&completions, struct lpfc_iocbq, list);
4697 list_del_init(&piocb->list);
4698
4699 cmd = &piocb->iocb;
4700 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
4701 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
4702 (piocb->iocb_cmpl) (phba, piocb, piocb);
4703 }
4704}
4705
4706void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp)
4707{
4708 LIST_HEAD(completions);
4709 struct lpfc_hba *phba = ndlp->vport->phba;
4710 struct lpfc_iocbq *tmp_iocb, *piocb;
4711 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
4712 IOCB_t *cmd;
4713
4714 spin_lock_irq(&phba->hbalock);
4715 list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list,
4716 list) {
4717 if ((lpfc_check_sli_ndlp(phba, pring, piocb, ndlp))) {
4718
4719 list_move_tail(&piocb->list, &completions);
ed957684 4720 }
dea3101e 4721 }
92d7f7b0
JS		 4722 spin_unlock_irq(&phba->hbalock);
4723
4724 while (!list_empty(&completions)) {
4725 piocb = list_get_first(&completions, struct lpfc_iocbq, list);
4726 list_del_init(&piocb->list);
4727
4728 cmd = &piocb->iocb;
4729 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
4730 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
4731 (piocb->iocb_cmpl) (phba, piocb, piocb);
4732 }
4733}
4734
4735void lpfc_fabric_abort_hba(struct lpfc_hba *phba)
4736{
4737 LIST_HEAD(completions);
4738 struct lpfc_iocbq *piocb;
4739 IOCB_t *cmd;
4740
4741 spin_lock_irq(&phba->hbalock);
4742 list_splice_init(&phba->fabric_iocb_list, &completions);
4743 spin_unlock_irq(&phba->hbalock);
4744
4745 while (!list_empty(&completions)) {
4746 piocb = list_get_first(&completions, struct lpfc_iocbq, list);
4747 list_del_init(&piocb->list);
4748
4749 cmd = &piocb->iocb;
4750 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
4751 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
4752 (piocb->iocb_cmpl) (phba, piocb, piocb);
4753 }
dea3101e 4754}
92d7f7b0
JS		 4755
4756
4757void lpfc_fabric_abort_flogi(struct lpfc_hba *phba)
4758{
4759 LIST_HEAD(completions);
4760 struct lpfc_iocbq *tmp_iocb, *piocb;
4761 IOCB_t *cmd;
4762 struct lpfc_nodelist *ndlp;
4763
4764 spin_lock_irq(&phba->hbalock);
4765 list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list,
4766 list) {
4767
4768 cmd = &piocb->iocb;
4769 ndlp = (struct lpfc_nodelist *) piocb->context1;
4770 if (cmd->ulpCommand == CMD_ELS_REQUEST64_CR &&
4771 ndlp != NULL &&
4772 ndlp->nlp_DID == Fabric_DID)
4773 list_move_tail(&piocb->list, &completions);
4774 }
4775 spin_unlock_irq(&phba->hbalock);
4776
4777 while (!list_empty(&completions)) {
4778 piocb = list_get_first(&completions, struct lpfc_iocbq, list);
4779 list_del_init(&piocb->list);
4780
4781 cmd = &piocb->iocb;
4782 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
4783 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
4784 (piocb->iocb_cmpl) (phba, piocb, piocb);
4785 }
4786}
4787
4788
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