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Fix common misspellings
[linux-block.git] / drivers / scsi / lpfc / lpfc_nportdisc.c
CommitLineData
92d7f7b0 1 /*******************************************************************
dea3101e 2 * This file is part of the Emulex Linux Device Driver for *
c44ce173 3 * Fibre Channel Host Bus Adapters. *
d8e93df1 4 * Copyright (C) 2004-2009 Emulex. All rights reserved. *
c44ce173 5 * EMULEX and SLI are trademarks of Emulex. *
dea3101e 6 * www.emulex.com *
c44ce173 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea3101e 8 * *
9 * This program is free software; you can redistribute it and/or *
c44ce173
JSEC		 10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
dea3101e 20 *******************************************************************/
21
dea3101e 22#include <linux/blkdev.h>
23#include <linux/pci.h>
5a0e3ad6 24#include <linux/slab.h>
dea3101e 25#include <linux/interrupt.h>
26
91886523 27#include <scsi/scsi.h>
dea3101e 28#include <scsi/scsi_device.h>
29#include <scsi/scsi_host.h>
30#include <scsi/scsi_transport_fc.h>
31
da0436e9 32#include "lpfc_hw4.h"
dea3101e 33#include "lpfc_hw.h"
34#include "lpfc_sli.h"
da0436e9 35#include "lpfc_sli4.h"
ea2151b4 36#include "lpfc_nl.h"
dea3101e 37#include "lpfc_disc.h"
38#include "lpfc_scsi.h"
39#include "lpfc.h"
40#include "lpfc_logmsg.h"
41#include "lpfc_crtn.h"
92d7f7b0 42#include "lpfc_vport.h"
858c9f6c 43#include "lpfc_debugfs.h"
dea3101e 44
45
46/* Called to verify a rcv'ed ADISC was intended for us. */
47static int
2e0fef85
JS		 48lpfc_check_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
49 struct lpfc_name *nn, struct lpfc_name *pn)
dea3101e 50{
51 /* Compare the ADISC rsp WWNN / WWPN matches our internal node
52 * table entry for that node.
53 */
2e0fef85 54 if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name)))
c9f8735b 55 return 0;
dea3101e 56
2e0fef85 57 if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name)))
c9f8735b 58 return 0;
dea3101e 59
60 /* we match, return success */
c9f8735b 61 return 1;
dea3101e 62}
63
dea3101e 64int
2e0fef85 65lpfc_check_sparm(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
341af102 66 struct serv_parm *sp, uint32_t class, int flogi)
dea3101e 67{
2e0fef85 68 volatile struct serv_parm *hsp = &vport->fc_sparam;
2fb70f79
JSEC		 69 uint16_t hsp_value, ssp_value = 0;
70
71 /*
72 * The receive data field size and buffer-to-buffer receive data field
73 * size entries are 16 bits but are represented as two 8-bit fields in
74 * the driver data structure to account for rsvd bits and other control
75 * bits. Reconstruct and compare the fields as a 16-bit values before
76 * correcting the byte values.
77 */
dea3101e 78 if (sp->cls1.classValid) {
341af102
JS		 79 if (!flogi) {
80 hsp_value = ((hsp->cls1.rcvDataSizeMsb << 8) |
81 hsp->cls1.rcvDataSizeLsb);
82 ssp_value = ((sp->cls1.rcvDataSizeMsb << 8) |
83 sp->cls1.rcvDataSizeLsb);
84 if (!ssp_value)
85 goto bad_service_param;
86 if (ssp_value > hsp_value) {
87 sp->cls1.rcvDataSizeLsb =
88 hsp->cls1.rcvDataSizeLsb;
89 sp->cls1.rcvDataSizeMsb =
90 hsp->cls1.rcvDataSizeMsb;
91 }
2fb70f79 92 }
341af102 93 } else if (class == CLASS1)
92d7f7b0 94 goto bad_service_param;
dea3101e 95 if (sp->cls2.classValid) {
341af102
JS		 96 if (!flogi) {
97 hsp_value = ((hsp->cls2.rcvDataSizeMsb << 8) |
98 hsp->cls2.rcvDataSizeLsb);
99 ssp_value = ((sp->cls2.rcvDataSizeMsb << 8) |
100 sp->cls2.rcvDataSizeLsb);
101 if (!ssp_value)
102 goto bad_service_param;
103 if (ssp_value > hsp_value) {
104 sp->cls2.rcvDataSizeLsb =
105 hsp->cls2.rcvDataSizeLsb;
106 sp->cls2.rcvDataSizeMsb =
107 hsp->cls2.rcvDataSizeMsb;
108 }
2fb70f79 109 }
341af102 110 } else if (class == CLASS2)
92d7f7b0 111 goto bad_service_param;
dea3101e 112 if (sp->cls3.classValid) {
341af102
JS		 113 if (!flogi) {
114 hsp_value = ((hsp->cls3.rcvDataSizeMsb << 8) |
115 hsp->cls3.rcvDataSizeLsb);
116 ssp_value = ((sp->cls3.rcvDataSizeMsb << 8) |
117 sp->cls3.rcvDataSizeLsb);
118 if (!ssp_value)
119 goto bad_service_param;
120 if (ssp_value > hsp_value) {
121 sp->cls3.rcvDataSizeLsb =
122 hsp->cls3.rcvDataSizeLsb;
123 sp->cls3.rcvDataSizeMsb =
124 hsp->cls3.rcvDataSizeMsb;
125 }
2fb70f79 126 }
341af102 127 } else if (class == CLASS3)
92d7f7b0 128 goto bad_service_param;
dea3101e 129
2fb70f79
JSEC		 130 /*
131 * Preserve the upper four bits of the MSB from the PLOGI response.
132 * These bits contain the Buffer-to-Buffer State Change Number
133 * from the target and need to be passed to the FW.
134 */
135 hsp_value = (hsp->cmn.bbRcvSizeMsb << 8) | hsp->cmn.bbRcvSizeLsb;
136 ssp_value = (sp->cmn.bbRcvSizeMsb << 8) | sp->cmn.bbRcvSizeLsb;
137 if (ssp_value > hsp_value) {
dea3101e 138 sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb;
2fb70f79
JSEC		 139 sp->cmn.bbRcvSizeMsb = (sp->cmn.bbRcvSizeMsb & 0xF0) |
140 (hsp->cmn.bbRcvSizeMsb & 0x0F);
141 }
dea3101e 142
dea3101e 143 memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name));
144 memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name));
2fb70f79 145 return 1;
92d7f7b0 146bad_service_param:
e8b62011
JS		 147 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
148 "0207 Device %x "
149 "(%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x) sent "
150 "invalid service parameters. Ignoring device.\n",
151 ndlp->nlp_DID,
152 sp->nodeName.u.wwn[0], sp->nodeName.u.wwn[1],
153 sp->nodeName.u.wwn[2], sp->nodeName.u.wwn[3],
154 sp->nodeName.u.wwn[4], sp->nodeName.u.wwn[5],
155 sp->nodeName.u.wwn[6], sp->nodeName.u.wwn[7]);
92d7f7b0 156 return 0;
dea3101e 157}
158
159static void *
2e0fef85 160lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
92d7f7b0 161 struct lpfc_iocbq *rspiocb)
dea3101e 162{
163 struct lpfc_dmabuf *pcmd, *prsp;
164 uint32_t *lp;
165 void *ptr = NULL;
166 IOCB_t *irsp;
167
168 irsp = &rspiocb->iocb;
169 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
170
171 /* For lpfc_els_abort, context2 could be zero'ed to delay
172 * freeing associated memory till after ABTS completes.
173 */
174 if (pcmd) {
175 prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf,
176 list);
177 if (prsp) {
178 lp = (uint32_t *) prsp->virt;
179 ptr = (void *)((uint8_t *)lp + sizeof(uint32_t));
180 }
2fe165b6 181 } else {
dea3101e 182 /* Force ulpStatus error since we are returning NULL ptr */
183 if (!(irsp->ulpStatus)) {
184 irsp->ulpStatus = IOSTAT_LOCAL_REJECT;
185 irsp->un.ulpWord[4] = IOERR_SLI_ABORTED;
186 }
187 ptr = NULL;
188 }
c9f8735b 189 return ptr;
dea3101e 190}
191
192
2a9bf3d0 193
dea3101e 194/*
195 * Free resources / clean up outstanding I/Os
196 * associated with a LPFC_NODELIST entry. This
197 * routine effectively results in a "software abort".
198 */
199int
2e0fef85 200lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
dea3101e 201{
2534ba75 202 LIST_HEAD(completions);
2a9bf3d0
JS		 203 LIST_HEAD(txcmplq_completions);
204 LIST_HEAD(abort_list);
2e0fef85
JS		 205 struct lpfc_sli *psli = &phba->sli;
206 struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
dea3101e 207 struct lpfc_iocbq *iocb, *next_iocb;
dea3101e 208
209 /* Abort outstanding I/O on NPort <nlp_DID> */
e8b62011 210 lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY,
2a9bf3d0 211 "2819 Abort outstanding I/O on NPort x%x "
e8b62011
JS		 212 "Data: x%x x%x x%x\n",
213 ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state,
214 ndlp->nlp_rpi);
92d7f7b0
JS		 215
216 lpfc_fabric_abort_nport(ndlp);
dea3101e 217
dea3101e 218 /* First check the txq */
2e0fef85 219 spin_lock_irq(&phba->hbalock);
2534ba75 220 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
858c9f6c 221 /* Check to see if iocb matches the nport we are looking for */
2534ba75 222 if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) {
858c9f6c 223 /* It matches, so deque and call compl with anp error */
2534ba75
JS		 224 list_move_tail(&iocb->list, &completions);
225 pring->txq_cnt--;
dea3101e 226 }
2534ba75 227 }
dea3101e 228
dea3101e 229 /* Next check the txcmplq */
2a9bf3d0
JS		 230 list_splice_init(&pring->txcmplq, &txcmplq_completions);
231 spin_unlock_irq(&phba->hbalock);
232
233 list_for_each_entry_safe(iocb, next_iocb, &txcmplq_completions, list) {
858c9f6c 234 /* Check to see if iocb matches the nport we are looking for */
2a9bf3d0
JS		 235 if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp))
236 list_add_tail(&iocb->dlist, &abort_list);
07951076 237 }
2a9bf3d0
JS		 238 spin_lock_irq(&phba->hbalock);
239 list_splice(&txcmplq_completions, &pring->txcmplq);
2e0fef85 240 spin_unlock_irq(&phba->hbalock);
dea3101e 241
2a9bf3d0
JS		 242 list_for_each_entry_safe(iocb, next_iocb, &abort_list, dlist) {
243 spin_lock_irq(&phba->hbalock);
244 list_del_init(&iocb->dlist);
245 lpfc_sli_issue_abort_iotag(phba, pring, iocb);
246 spin_unlock_irq(&phba->hbalock);
247 }
248
a257bf90
JS		 249 /* Cancel all the IOCBs from the completions list */
250 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
251 IOERR_SLI_ABORTED);
2534ba75 252
0d2b6b83 253 lpfc_cancel_retry_delay_tmo(phba->pport, ndlp);
c9f8735b 254 return 0;
dea3101e 255}
256
257static int
2e0fef85 258lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
92d7f7b0 259 struct lpfc_iocbq *cmdiocb)
dea3101e 260{
2e0fef85
JS		 261 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
262 struct lpfc_hba *phba = vport->phba;
dea3101e 263 struct lpfc_dmabuf *pcmd;
264 uint32_t *lp;
265 IOCB_t *icmd;
266 struct serv_parm *sp;
267 LPFC_MBOXQ_t *mbox;
268 struct ls_rjt stat;
269 int rc;
270
271 memset(&stat, 0, sizeof (struct ls_rjt));
695a814e 272 if (vport->port_state <= LPFC_FDISC) {
dea3101e 273 /* Before responding to PLOGI, check for pt2pt mode.
274 * If we are pt2pt, with an outstanding FLOGI, abort
275 * the FLOGI and resend it first.
276 */
2e0fef85 277 if (vport->fc_flag & FC_PT2PT) {
92d7f7b0 278 lpfc_els_abort_flogi(phba);
2e0fef85 279 if (!(vport->fc_flag & FC_PT2PT_PLOGI)) {
dea3101e 280 /* If the other side is supposed to initiate
281 * the PLOGI anyway, just ACC it now and
282 * move on with discovery.
283 */
284 phba->fc_edtov = FF_DEF_EDTOV;
285 phba->fc_ratov = FF_DEF_RATOV;
286 /* Start discovery - this should just do
287 CLEAR_LA */
2e0fef85 288 lpfc_disc_start(vport);
ed957684 289 } else
2e0fef85 290 lpfc_initial_flogi(vport);
2fe165b6 291 } else {
dea3101e 292 stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY;
293 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
2e0fef85 294 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb,
858c9f6c 295 ndlp, NULL);
dea3101e 296 return 0;
297 }
298 }
299 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
300 lp = (uint32_t *) pcmd->virt;
301 sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t));
a8adb832
JS		 302 if (wwn_to_u64(sp->portName.u.wwn) == 0) {
303 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
304 "0140 PLOGI Reject: invalid nname\n");
305 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
306 stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME;
307 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
308 NULL);
309 return 0;
310 }
311 if (wwn_to_u64(sp->nodeName.u.wwn) == 0) {
312 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
313 "0141 PLOGI Reject: invalid pname\n");
314 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
315 stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME;
316 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
317 NULL);
318 return 0;
319 }
341af102 320 if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0) == 0)) {
dea3101e 321 /* Reject this request because invalid parameters */
322 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
323 stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS;
858c9f6c
JS		 324 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
325 NULL);
c9f8735b 326 return 0;
dea3101e 327 }
328 icmd = &cmdiocb->iocb;
329
330 /* PLOGI chkparm OK */
e8b62011
JS		 331 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
332 "0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n",
333 ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag,
334 ndlp->nlp_rpi);
dea3101e 335
3de2a653 336 if (vport->cfg_fcp_class == 2 && sp->cls2.classValid)
dea3101e 337 ndlp->nlp_fcp_info |= CLASS2;
ed957684 338 else
dea3101e 339 ndlp->nlp_fcp_info |= CLASS3;
2e0fef85 340
dea3101e 341 ndlp->nlp_class_sup = 0;
342 if (sp->cls1.classValid)
343 ndlp->nlp_class_sup |= FC_COS_CLASS1;
344 if (sp->cls2.classValid)
345 ndlp->nlp_class_sup |= FC_COS_CLASS2;
346 if (sp->cls3.classValid)
347 ndlp->nlp_class_sup |= FC_COS_CLASS3;
348 if (sp->cls4.classValid)
349 ndlp->nlp_class_sup |= FC_COS_CLASS4;
350 ndlp->nlp_maxframe =
351 ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb;
352
92494144
JS		 353 /*
354 * Need to unreg_login if we are already in one of these states and
355 * change to NPR state. This will block the port until after the ACC
356 * completes and the reg_login is issued and completed.
357 */
2fe165b6 358 switch (ndlp->nlp_state) {
dea3101e 359 case NLP_STE_NPR_NODE:
360 if (!(ndlp->nlp_flag & NLP_NPR_ADISC))
361 break;
362 case NLP_STE_REG_LOGIN_ISSUE:
363 case NLP_STE_PRLI_ISSUE:
364 case NLP_STE_UNMAPPED_NODE:
365 case NLP_STE_MAPPED_NODE:
92494144
JS		 366 lpfc_unreg_rpi(vport, ndlp);
367 ndlp->nlp_prev_state = ndlp->nlp_state;
368 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
dea3101e 369 }
370
92d7f7b0
JS		 371 if ((vport->fc_flag & FC_PT2PT) &&
372 !(vport->fc_flag & FC_PT2PT_PLOGI)) {
dea3101e 373 /* rcv'ed PLOGI decides what our NPortId will be */
2e0fef85 374 vport->fc_myDID = icmd->un.rcvels.parmRo;
dea3101e 375 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
376 if (mbox == NULL)
377 goto out;
378 lpfc_config_link(phba, mbox);
379 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
ed957684 380 mbox->vport = vport;
0b727fea 381 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
dea3101e 382 if (rc == MBX_NOT_FINISHED) {
92d7f7b0 383 mempool_free(mbox, phba->mbox_mem_pool);
dea3101e 384 goto out;
385 }
386
2e0fef85 387 lpfc_can_disctmo(vport);
dea3101e 388 }
389 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2e0fef85 390 if (!mbox)
dea3101e 391 goto out;
392
6fb120a7 393 rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID,
4042629e 394 (uint8_t *) sp, mbox, ndlp->nlp_rpi);
2e0fef85
JS		 395 if (rc) {
396 mempool_free(mbox, phba->mbox_mem_pool);
dea3101e 397 goto out;
398 }
399
400 /* ACC PLOGI rsp command needs to execute first,
401 * queue this mbox command to be processed later.
402 */
403 mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login;
329f9bc7
JS		 404 /*
405 * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox
406 * command issued in lpfc_cmpl_els_acc().
407 */
2e0fef85
JS		 408 mbox->vport = vport;
409 spin_lock_irq(shost->host_lock);
5024ab17 410 ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI);
2e0fef85 411 spin_unlock_irq(shost->host_lock);
dea3101e 412
33ccf8d1
JS		 413 /*
414 * If there is an outstanding PLOGI issued, abort it before
415 * sending ACC rsp for received PLOGI. If pending plogi
416 * is not canceled here, the plogi will be rejected by
417 * remote port and will be retried. On a configuration with
418 * single discovery thread, this will cause a huge delay in
419 * discovery. Also this will cause multiple state machines
420 * running in parallel for this node.
421 */
422 if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) {
423 /* software abort outstanding PLOGI */
07951076 424 lpfc_els_abort(phba, ndlp);
33ccf8d1
JS		 425 }
426
858c9f6c 427 if ((vport->port_type == LPFC_NPIV_PORT &&
3de2a653 428 vport->cfg_restrict_login)) {
858c9f6c
JS		 429
430 /* In order to preserve RPIs, we want to cleanup
431 * the default RPI the firmware created to rcv
432 * this ELS request. The only way to do this is
433 * to register, then unregister the RPI.
434 */
435 spin_lock_irq(shost->host_lock);
436 ndlp->nlp_flag |= NLP_RM_DFLT_RPI;
437 spin_unlock_irq(shost->host_lock);
438 stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD;
439 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
440 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb,
441 ndlp, mbox);
442 return 1;
443 }
51ef4c26 444 lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox);
c9f8735b 445 return 1;
dea3101e 446out:
447 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
448 stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE;
858c9f6c 449 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
c9f8735b 450 return 0;
dea3101e 451}
452
453static int
2e0fef85 454lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
dea3101e 455 struct lpfc_iocbq *cmdiocb)
456{
2e0fef85 457 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
dea3101e 458 struct lpfc_dmabuf *pcmd;
2e0fef85
JS		 459 struct serv_parm *sp;
460 struct lpfc_name *pnn, *ppn;
dea3101e 461 struct ls_rjt stat;
462 ADISC *ap;
463 IOCB_t *icmd;
464 uint32_t *lp;
465 uint32_t cmd;
466
467 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
468 lp = (uint32_t *) pcmd->virt;
469
470 cmd = *lp++;
471 if (cmd == ELS_CMD_ADISC) {
472 ap = (ADISC *) lp;
473 pnn = (struct lpfc_name *) & ap->nodeName;
474 ppn = (struct lpfc_name *) & ap->portName;
475 } else {
476 sp = (struct serv_parm *) lp;
477 pnn = (struct lpfc_name *) & sp->nodeName;
478 ppn = (struct lpfc_name *) & sp->portName;
479 }
480
481 icmd = &cmdiocb->iocb;
2e0fef85 482 if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) {
dea3101e 483 if (cmd == ELS_CMD_ADISC) {
2e0fef85 484 lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp);
2fe165b6 485 } else {
2e0fef85 486 lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp,
51ef4c26 487 NULL);
dea3101e 488 }
c9f8735b 489 return 1;
dea3101e 490 }
491 /* Reject this request because invalid parameters */
492 stat.un.b.lsRjtRsvd0 = 0;
493 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
494 stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS;
495 stat.un.b.vendorUnique = 0;
858c9f6c 496 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
dea3101e 497
dea3101e 498 /* 1 sec timeout */
499 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
500
2e0fef85 501 spin_lock_irq(shost->host_lock);
dea3101e 502 ndlp->nlp_flag |= NLP_DELAY_TMO;
2e0fef85 503 spin_unlock_irq(shost->host_lock);
5024ab17
JW		 504 ndlp->nlp_last_elscmd = ELS_CMD_PLOGI;
505 ndlp->nlp_prev_state = ndlp->nlp_state;
2e0fef85 506 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
c9f8735b 507 return 0;
dea3101e 508}
509
510static int
2e0fef85
JS		 511lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
512 struct lpfc_iocbq *cmdiocb, uint32_t els_cmd)
dea3101e 513{
2e0fef85 514 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4b40c59e
JS		 515 struct lpfc_hba *phba = vport->phba;
516 struct lpfc_vport **vports;
517 int i, active_vlink_present = 0 ;
2e0fef85
JS		 518
519 /* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */
dea3101e 520 /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary
521 * PLOGIs during LOGO storms from a device.
522 */
2e0fef85 523 spin_lock_irq(shost->host_lock);
dea3101e 524 ndlp->nlp_flag |= NLP_LOGO_ACC;
2e0fef85 525 spin_unlock_irq(shost->host_lock);
82d9a2a2 526 if (els_cmd == ELS_CMD_PRLO)
51ef4c26 527 lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL);
82d9a2a2 528 else
51ef4c26 529 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
4b40c59e
JS		 530 if (ndlp->nlp_DID == Fabric_DID) {
531 if (vport->port_state <= LPFC_FDISC)
532 goto out;
6fb120a7 533 lpfc_linkdown_port(vport);
6fb120a7 534 spin_lock_irq(shost->host_lock);
4b40c59e 535 vport->fc_flag |= FC_VPORT_LOGO_RCVD;
6fb120a7 536 spin_unlock_irq(shost->host_lock);
4b40c59e
JS		 537 vports = lpfc_create_vport_work_array(phba);
538 if (vports) {
539 for (i = 0; i <= phba->max_vports && vports[i] != NULL;
540 i++) {
541 if ((!(vports[i]->fc_flag &
542 FC_VPORT_LOGO_RCVD)) &&
543 (vports[i]->port_state > LPFC_FDISC)) {
544 active_vlink_present = 1;
545 break;
546 }
547 }
548 lpfc_destroy_vport_work_array(phba, vports);
549 }
dea3101e 550
4b40c59e
JS		 551 if (active_vlink_present) {
552 /*
553 * If there are other active VLinks present,
554 * re-instantiate the Vlink using FDISC.
555 */
556 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
557 spin_lock_irq(shost->host_lock);
558 ndlp->nlp_flag |= NLP_DELAY_TMO;
559 spin_unlock_irq(shost->host_lock);
560 ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
561 vport->port_state = LPFC_FDISC;
562 } else {
563 spin_lock_irq(shost->host_lock);
564 phba->pport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG;
565 spin_unlock_irq(shost->host_lock);
566 lpfc_retry_pport_discovery(phba);
567 }
6fb120a7
JS		 568 } else if ((!(ndlp->nlp_type & NLP_FABRIC) &&
569 ((ndlp->nlp_type & NLP_FCP_TARGET) ||
570 !(ndlp->nlp_type & NLP_FCP_INITIATOR))) ||
571 (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) {
dea3101e 572 /* Only try to re-login if this is NOT a Fabric Node */
dea3101e 573 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
2e0fef85 574 spin_lock_irq(shost->host_lock);
dea3101e 575 ndlp->nlp_flag |= NLP_DELAY_TMO;
2e0fef85 576 spin_unlock_irq(shost->host_lock);
dea3101e 577
5024ab17 578 ndlp->nlp_last_elscmd = ELS_CMD_PLOGI;
c9f8735b 579 }
4b40c59e 580out:
87af33fe
JS		 581 ndlp->nlp_prev_state = ndlp->nlp_state;
582 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
dea3101e 583
2e0fef85 584 spin_lock_irq(shost->host_lock);
dea3101e 585 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
2e0fef85 586 spin_unlock_irq(shost->host_lock);
dea3101e 587 /* The driver has to wait until the ACC completes before it continues
588 * processing the LOGO. The action will resume in
589 * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an
590 * unreg_login, the driver waits so the ACC does not get aborted.
591 */
c9f8735b 592 return 0;
dea3101e 593}
594
595static void
2e0fef85
JS		 596lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
597 struct lpfc_iocbq *cmdiocb)
dea3101e 598{
599 struct lpfc_dmabuf *pcmd;
600 uint32_t *lp;
601 PRLI *npr;
602 struct fc_rport *rport = ndlp->rport;
603 u32 roles;
604
605 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
606 lp = (uint32_t *) pcmd->virt;
607 npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t));
608
609 ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
610 ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
92d7f7b0 611 if (npr->prliType == PRLI_FCP_TYPE) {
dea3101e 612 if (npr->initiatorFunc)
613 ndlp->nlp_type |= NLP_FCP_INITIATOR;
614 if (npr->targetFunc)
615 ndlp->nlp_type |= NLP_FCP_TARGET;
616 if (npr->Retry)
617 ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE;
618 }
619 if (rport) {
620 /* We need to update the rport role values */
621 roles = FC_RPORT_ROLE_UNKNOWN;
622 if (ndlp->nlp_type & NLP_FCP_INITIATOR)
623 roles |= FC_RPORT_ROLE_FCP_INITIATOR;
624 if (ndlp->nlp_type & NLP_FCP_TARGET)
625 roles |= FC_RPORT_ROLE_FCP_TARGET;
858c9f6c
JS		 626
627 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
628 "rport rolechg: role:x%x did:x%x flg:x%x",
629 roles, ndlp->nlp_DID, ndlp->nlp_flag);
630
dea3101e 631 fc_remote_port_rolechg(rport, roles);
632 }
633}
634
635static uint32_t
2e0fef85 636lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
dea3101e 637{
2e0fef85 638 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2e0fef85 639
4042629e 640 if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) {
51ef4c26
JS		 641 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
642 return 0;
643 }
644
1b32f6aa
JS		 645 if (!(vport->fc_flag & FC_PT2PT)) {
646 /* Check config parameter use-adisc or FCP-2 */
647 if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) ||
ffc95493
JS		 648 ((ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) &&
649 (ndlp->nlp_type & NLP_FCP_TARGET))) {
1b32f6aa
JS		 650 spin_lock_irq(shost->host_lock);
651 ndlp->nlp_flag |= NLP_NPR_ADISC;
652 spin_unlock_irq(shost->host_lock);
653 return 1;
654 }
92d7f7b0
JS		 655 }
656 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
657 lpfc_unreg_rpi(vport, ndlp);
658 return 0;
dea3101e 659}
78730cfe 660/**
25985edc 661 * lpfc_release_rpi - Release a RPI by issuing unreg_login mailbox cmd.
78730cfe
JS		 662 * @phba : Pointer to lpfc_hba structure.
663 * @vport: Pointer to lpfc_vport structure.
664 * @rpi : rpi to be release.
665 *
666 * This function will send a unreg_login mailbox command to the firmware
667 * to release a rpi.
668 **/
669void
670lpfc_release_rpi(struct lpfc_hba *phba,
671 struct lpfc_vport *vport,
672 uint16_t rpi)
673{
674 LPFC_MBOXQ_t *pmb;
675 int rc;
676
677 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
678 GFP_KERNEL);
679 if (!pmb)
680 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
681 "2796 mailbox memory allocation failed \n");
682 else {
683 lpfc_unreg_login(phba, vport->vpi, rpi, pmb);
684 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
685 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
686 if (rc == MBX_NOT_FINISHED)
687 mempool_free(pmb, phba->mbox_mem_pool);
688 }
689}
dea3101e 690
691static uint32_t
2e0fef85
JS		 692lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
693 void *arg, uint32_t evt)
dea3101e 694{
78730cfe
JS		 695 struct lpfc_hba *phba;
696 LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg;
697 MAILBOX_t *mb;
698 uint16_t rpi;
699
700 phba = vport->phba;
701 /* Release the RPI if reglogin completing */
702 if (!(phba->pport->load_flag & FC_UNLOADING) &&
703 (evt == NLP_EVT_CMPL_REG_LOGIN) &&
704 (!pmb->u.mb.mbxStatus)) {
705 mb = &pmb->u.mb;
706 rpi = pmb->u.mb.un.varWords[0];
707 lpfc_release_rpi(phba, vport, rpi);
708 }
e8b62011 709 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
e47c9093 710 "0271 Illegal State Transition: node x%x "
e8b62011
JS		 711 "event x%x, state x%x Data: x%x x%x\n",
712 ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi,
713 ndlp->nlp_flag);
c9f8735b 714 return ndlp->nlp_state;
dea3101e 715}
716
87af33fe
JS		 717static uint32_t
718lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
719 void *arg, uint32_t evt)
720{
721 /* This transition is only legal if we previously
722 * rcv'ed a PLOGI. Since we don't want 2 discovery threads
723 * working on the same NPortID, do nothing for this thread
724 * to stop it.
725 */
726 if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) {
727 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
e47c9093 728 "0272 Illegal State Transition: node x%x "
87af33fe
JS		 729 "event x%x, state x%x Data: x%x x%x\n",
730 ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi,
731 ndlp->nlp_flag);
732 }
733 return ndlp->nlp_state;
734}
735
dea3101e 736/* Start of Discovery State Machine routines */
737
738static uint32_t
2e0fef85
JS		 739lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
740 void *arg, uint32_t evt)
dea3101e 741{
742 struct lpfc_iocbq *cmdiocb;
743
744 cmdiocb = (struct lpfc_iocbq *) arg;
745
2e0fef85 746 if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) {
c9f8735b 747 return ndlp->nlp_state;
dea3101e 748 }
c9f8735b 749 return NLP_STE_FREED_NODE;
dea3101e 750}
751
752static uint32_t
2e0fef85
JS		 753lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
754 void *arg, uint32_t evt)
dea3101e 755{
2e0fef85 756 lpfc_issue_els_logo(vport, ndlp, 0);
c9f8735b 757 return ndlp->nlp_state;
dea3101e 758}
759
760static uint32_t
2e0fef85
JS		 761lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
762 void *arg, uint32_t evt)
dea3101e 763{
2e0fef85
JS		 764 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
765 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 766
2e0fef85 767 spin_lock_irq(shost->host_lock);
dea3101e 768 ndlp->nlp_flag |= NLP_LOGO_ACC;
2e0fef85 769 spin_unlock_irq(shost->host_lock);
51ef4c26 770 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
dea3101e 771
c9f8735b 772 return ndlp->nlp_state;
dea3101e 773}
774
775static uint32_t
2e0fef85
JS		 776lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
777 void *arg, uint32_t evt)
dea3101e 778{
c9f8735b 779 return NLP_STE_FREED_NODE;
dea3101e 780}
781
782static uint32_t
2e0fef85
JS		 783lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
784 void *arg, uint32_t evt)
dea3101e 785{
c9f8735b 786 return NLP_STE_FREED_NODE;
dea3101e 787}
788
789static uint32_t
2e0fef85 790lpfc_rcv_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
dea3101e 791 void *arg, uint32_t evt)
792{
0d2b6b83 793 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2e0fef85 794 struct lpfc_hba *phba = vport->phba;
dea3101e 795 struct lpfc_iocbq *cmdiocb = arg;
2e0fef85
JS		 796 struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
797 uint32_t *lp = (uint32_t *) pcmd->virt;
798 struct serv_parm *sp = (struct serv_parm *) (lp + 1);
dea3101e 799 struct ls_rjt stat;
800 int port_cmp;
801
dea3101e 802 memset(&stat, 0, sizeof (struct ls_rjt));
803
804 /* For a PLOGI, we only accept if our portname is less
805 * than the remote portname.
806 */
807 phba->fc_stat.elsLogiCol++;
2e0fef85 808 port_cmp = memcmp(&vport->fc_portname, &sp->portName,
92d7f7b0 809 sizeof(struct lpfc_name));
dea3101e 810
811 if (port_cmp >= 0) {
812 /* Reject this request because the remote node will accept
813 ours */
814 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
815 stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS;
858c9f6c
JS		 816 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
817 NULL);
2fe165b6 818 } else {
0d2b6b83
JS		 819 if (lpfc_rcv_plogi(vport, ndlp, cmdiocb) &&
820 (ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
821 (vport->num_disc_nodes)) {
822 spin_lock_irq(shost->host_lock);
823 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
824 spin_unlock_irq(shost->host_lock);
825 /* Check if there are more PLOGIs to be sent */
826 lpfc_more_plogi(vport);
827 if (vport->num_disc_nodes == 0) {
828 spin_lock_irq(shost->host_lock);
829 vport->fc_flag &= ~FC_NDISC_ACTIVE;
830 spin_unlock_irq(shost->host_lock);
831 lpfc_can_disctmo(vport);
832 lpfc_end_rscn(vport);
833 }
834 }
2e0fef85 835 } /* If our portname was less */
dea3101e 836
c9f8735b
JW		 837 return ndlp->nlp_state;
838}
839
92d7f7b0
JS		 840static uint32_t
841lpfc_rcv_prli_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
842 void *arg, uint32_t evt)
843{
844 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
845 struct ls_rjt stat;
846
847 memset(&stat, 0, sizeof (struct ls_rjt));
848 stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY;
849 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
858c9f6c 850 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
92d7f7b0
JS		 851 return ndlp->nlp_state;
852}
853
c9f8735b 854static uint32_t
2e0fef85
JS		 855lpfc_rcv_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
856 void *arg, uint32_t evt)
c9f8735b 857{
2e0fef85 858 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
c9f8735b 859
92d7f7b0 860 /* software abort outstanding PLOGI */
2e0fef85 861 lpfc_els_abort(vport->phba, ndlp);
c9f8735b 862
2e0fef85 863 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO);
c9f8735b 864 return ndlp->nlp_state;
dea3101e 865}
866
867static uint32_t
2e0fef85
JS		 868lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
869 void *arg, uint32_t evt)
dea3101e 870{
2e0fef85
JS		 871 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
872 struct lpfc_hba *phba = vport->phba;
873 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 874
875 /* software abort outstanding PLOGI */
07951076 876 lpfc_els_abort(phba, ndlp);
dea3101e 877
878 if (evt == NLP_EVT_RCV_LOGO) {
51ef4c26 879 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
2fe165b6 880 } else {
2e0fef85 881 lpfc_issue_els_logo(vport, ndlp, 0);
dea3101e 882 }
883
2e0fef85 884 /* Put ndlp in npr state set plogi timer for 1 sec */
5024ab17 885 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
2e0fef85 886 spin_lock_irq(shost->host_lock);
5024ab17 887 ndlp->nlp_flag |= NLP_DELAY_TMO;
2e0fef85 888 spin_unlock_irq(shost->host_lock);
5024ab17
JW		 889 ndlp->nlp_last_elscmd = ELS_CMD_PLOGI;
890 ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE;
2e0fef85 891 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
dea3101e 892
c9f8735b 893 return ndlp->nlp_state;
dea3101e 894}
895
896static uint32_t
2e0fef85
JS		 897lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport,
898 struct lpfc_nodelist *ndlp,
899 void *arg,
dea3101e 900 uint32_t evt)
901{
2e0fef85 902 struct lpfc_hba *phba = vport->phba;
0ff10d46 903 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2e0fef85 904 struct lpfc_iocbq *cmdiocb, *rspiocb;
14691150 905 struct lpfc_dmabuf *pcmd, *prsp, *mp;
dea3101e 906 uint32_t *lp;
907 IOCB_t *irsp;
908 struct serv_parm *sp;
909 LPFC_MBOXQ_t *mbox;
910
911 cmdiocb = (struct lpfc_iocbq *) arg;
912 rspiocb = cmdiocb->context_un.rsp_iocb;
913
914 if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) {
5024ab17 915 /* Recovery from PLOGI collision logic */
c9f8735b 916 return ndlp->nlp_state;
dea3101e 917 }
918
919 irsp = &rspiocb->iocb;
920
921 if (irsp->ulpStatus)
922 goto out;
923
924 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
925
2e0fef85 926 prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list);
dea3101e 927
2e0fef85 928 lp = (uint32_t *) prsp->virt;
dea3101e 929 sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t));
58da1ffb
JS		 930
931 /* Some switches have FDMI servers returning 0 for WWN */
932 if ((ndlp->nlp_DID != FDMI_DID) &&
933 (wwn_to_u64(sp->portName.u.wwn) == 0 ||
934 wwn_to_u64(sp->nodeName.u.wwn) == 0)) {
a8adb832
JS		 935 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
936 "0142 PLOGI RSP: Invalid WWN.\n");
937 goto out;
938 }
341af102 939 if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0))
dea3101e 940 goto out;
dea3101e 941 /* PLOGI chkparm OK */
e8b62011
JS		 942 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
943 "0121 PLOGI chkparm OK Data: x%x x%x x%x x%x\n",
944 ndlp->nlp_DID, ndlp->nlp_state,
945 ndlp->nlp_flag, ndlp->nlp_rpi);
3de2a653 946 if (vport->cfg_fcp_class == 2 && (sp->cls2.classValid))
dea3101e 947 ndlp->nlp_fcp_info |= CLASS2;
2e0fef85 948 else
dea3101e 949 ndlp->nlp_fcp_info |= CLASS3;
2e0fef85 950
dea3101e 951 ndlp->nlp_class_sup = 0;
952 if (sp->cls1.classValid)
953 ndlp->nlp_class_sup |= FC_COS_CLASS1;
954 if (sp->cls2.classValid)
955 ndlp->nlp_class_sup |= FC_COS_CLASS2;
956 if (sp->cls3.classValid)
957 ndlp->nlp_class_sup |= FC_COS_CLASS3;
958 if (sp->cls4.classValid)
959 ndlp->nlp_class_sup |= FC_COS_CLASS4;
960 ndlp->nlp_maxframe =
2e0fef85 961 ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb;
dea3101e 962
2e0fef85 963 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
92d7f7b0 964 if (!mbox) {
e8b62011
JS		 965 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
966 "0133 PLOGI: no memory for reg_login "
92d7f7b0 967 "Data: x%x x%x x%x x%x\n",
92d7f7b0
JS		 968 ndlp->nlp_DID, ndlp->nlp_state,
969 ndlp->nlp_flag, ndlp->nlp_rpi);
dea3101e 970 goto out;
92d7f7b0 971 }
dea3101e 972
2e0fef85
JS		 973 lpfc_unreg_rpi(vport, ndlp);
974
6fb120a7 975 if (lpfc_reg_rpi(phba, vport->vpi, irsp->un.elsreq64.remoteID,
4042629e 976 (uint8_t *) sp, mbox, ndlp->nlp_rpi) == 0) {
2fe165b6 977 switch (ndlp->nlp_DID) {
dea3101e 978 case NameServer_DID:
de0c5b32 979 mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login;
dea3101e 980 break;
981 case FDMI_DID:
de0c5b32 982 mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login;
dea3101e 983 break;
984 default:
ffc95493 985 ndlp->nlp_flag |= NLP_REG_LOGIN_SEND;
de0c5b32 986 mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login;
dea3101e 987 }
329f9bc7 988 mbox->context2 = lpfc_nlp_get(ndlp);
2e0fef85 989 mbox->vport = vport;
0b727fea 990 if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT)
dea3101e 991 != MBX_NOT_FINISHED) {
2e0fef85
JS		 992 lpfc_nlp_set_state(vport, ndlp,
993 NLP_STE_REG_LOGIN_ISSUE);
c9f8735b 994 return ndlp->nlp_state;
dea3101e 995 }
ffc95493
JS		 996 if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND)
997 ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND;
fa4066b6
JS		 998 /* decrement node reference count to the failed mbox
999 * command
1000 */
329f9bc7 1001 lpfc_nlp_put(ndlp);
92d7f7b0 1002 mp = (struct lpfc_dmabuf *) mbox->context1;
14691150
JS		 1003 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1004 kfree(mp);
dea3101e 1005 mempool_free(mbox, phba->mbox_mem_pool);
92d7f7b0 1006
e8b62011
JS		 1007 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
1008 "0134 PLOGI: cannot issue reg_login "
1009 "Data: x%x x%x x%x x%x\n",
1010 ndlp->nlp_DID, ndlp->nlp_state,
1011 ndlp->nlp_flag, ndlp->nlp_rpi);
dea3101e 1012 } else {
1013 mempool_free(mbox, phba->mbox_mem_pool);
92d7f7b0 1014
e8b62011
JS		 1015 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
1016 "0135 PLOGI: cannot format reg_login "
1017 "Data: x%x x%x x%x x%x\n",
1018 ndlp->nlp_DID, ndlp->nlp_state,
1019 ndlp->nlp_flag, ndlp->nlp_rpi);
dea3101e 1020 }
1021
1022
92d7f7b0
JS		 1023out:
1024 if (ndlp->nlp_DID == NameServer_DID) {
1025 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
e8b62011
JS		 1026 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
1027 "0261 Cannot Register NameServer login\n");
92d7f7b0
JS		 1028 }
1029
0ff10d46 1030 spin_lock_irq(shost->host_lock);
a8adb832 1031 ndlp->nlp_flag |= NLP_DEFER_RM;
0ff10d46 1032 spin_unlock_irq(shost->host_lock);
c9f8735b 1033 return NLP_STE_FREED_NODE;
dea3101e 1034}
1035
0ff10d46
JS		 1036static uint32_t
1037lpfc_cmpl_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1038 void *arg, uint32_t evt)
1039{
1040 return ndlp->nlp_state;
1041}
1042
1043static uint32_t
1044lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport,
1045 struct lpfc_nodelist *ndlp, void *arg, uint32_t evt)
1046{
78730cfe
JS		 1047 struct lpfc_hba *phba;
1048 LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg;
1049 MAILBOX_t *mb = &pmb->u.mb;
1050 uint16_t rpi;
1051
1052 phba = vport->phba;
1053 /* Release the RPI */
1054 if (!(phba->pport->load_flag & FC_UNLOADING) &&
1055 !mb->mbxStatus) {
1056 rpi = pmb->u.mb.un.varWords[0];
1057 lpfc_release_rpi(phba, vport, rpi);
1058 }
0ff10d46
JS		 1059 return ndlp->nlp_state;
1060}
1061
dea3101e 1062static uint32_t
2e0fef85
JS		 1063lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1064 void *arg, uint32_t evt)
dea3101e 1065{
2e0fef85
JS		 1066 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1067
1068 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
1069 spin_lock_irq(shost->host_lock);
a0f9b48d 1070 ndlp->nlp_flag |= NLP_NODEV_REMOVE;
2e0fef85 1071 spin_unlock_irq(shost->host_lock);
a0f9b48d 1072 return ndlp->nlp_state;
2e0fef85 1073 } else {
a0f9b48d 1074 /* software abort outstanding PLOGI */
2e0fef85 1075 lpfc_els_abort(vport->phba, ndlp);
dea3101e 1076
2e0fef85 1077 lpfc_drop_node(vport, ndlp);
a0f9b48d
JS		 1078 return NLP_STE_FREED_NODE;
1079 }
dea3101e 1080}
1081
1082static uint32_t
2e0fef85
JS		 1083lpfc_device_recov_plogi_issue(struct lpfc_vport *vport,
1084 struct lpfc_nodelist *ndlp,
1085 void *arg,
1086 uint32_t evt)
dea3101e 1087{
2e0fef85
JS		 1088 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1089 struct lpfc_hba *phba = vport->phba;
1090
92d7f7b0
JS		 1091 /* Don't do anything that will mess up processing of the
1092 * previous RSCN.
1093 */
1094 if (vport->fc_flag & FC_RSCN_DEFERRED)
1095 return ndlp->nlp_state;
1096
dea3101e 1097 /* software abort outstanding PLOGI */
07951076 1098 lpfc_els_abort(phba, ndlp);
dea3101e 1099
5024ab17 1100 ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE;
2e0fef85 1101 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
92d7f7b0 1102 spin_lock_irq(shost->host_lock);
a0f9b48d 1103 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
2e0fef85 1104 spin_unlock_irq(shost->host_lock);
dea3101e 1105
c9f8735b 1106 return ndlp->nlp_state;
dea3101e 1107}
1108
1109static uint32_t
2e0fef85
JS		 1110lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1111 void *arg, uint32_t evt)
dea3101e 1112{
0d2b6b83 1113 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2e0fef85 1114 struct lpfc_hba *phba = vport->phba;
dea3101e 1115 struct lpfc_iocbq *cmdiocb;
1116
1117 /* software abort outstanding ADISC */
07951076 1118 lpfc_els_abort(phba, ndlp);
dea3101e 1119
1120 cmdiocb = (struct lpfc_iocbq *) arg;
1121
0d2b6b83
JS		 1122 if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) {
1123 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
1124 spin_lock_irq(shost->host_lock);
1125 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
1126 spin_unlock_irq(shost->host_lock);
90160e01 1127 if (vport->num_disc_nodes)
0d2b6b83 1128 lpfc_more_adisc(vport);
0d2b6b83
JS		 1129 }
1130 return ndlp->nlp_state;
1131 }
5024ab17 1132 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
2e0fef85
JS		 1133 lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0);
1134 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
dea3101e 1135
c9f8735b 1136 return ndlp->nlp_state;
dea3101e 1137}
1138
1139static uint32_t
2e0fef85
JS		 1140lpfc_rcv_prli_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1141 void *arg, uint32_t evt)
dea3101e 1142{
2e0fef85 1143 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1144
2e0fef85 1145 lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp);
c9f8735b 1146 return ndlp->nlp_state;
dea3101e 1147}
1148
1149static uint32_t
2e0fef85
JS		 1150lpfc_rcv_logo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1151 void *arg, uint32_t evt)
dea3101e 1152{
2e0fef85 1153 struct lpfc_hba *phba = vport->phba;
dea3101e 1154 struct lpfc_iocbq *cmdiocb;
1155
1156 cmdiocb = (struct lpfc_iocbq *) arg;
1157
1158 /* software abort outstanding ADISC */
07951076 1159 lpfc_els_abort(phba, ndlp);
dea3101e 1160
2e0fef85 1161 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO);
c9f8735b 1162 return ndlp->nlp_state;
dea3101e 1163}
1164
1165static uint32_t
2e0fef85
JS		 1166lpfc_rcv_padisc_adisc_issue(struct lpfc_vport *vport,
1167 struct lpfc_nodelist *ndlp,
1168 void *arg, uint32_t evt)
dea3101e 1169{
1170 struct lpfc_iocbq *cmdiocb;
1171
1172 cmdiocb = (struct lpfc_iocbq *) arg;
1173
2e0fef85 1174 lpfc_rcv_padisc(vport, ndlp, cmdiocb);
c9f8735b 1175 return ndlp->nlp_state;
dea3101e 1176}
1177
1178static uint32_t
2e0fef85
JS		 1179lpfc_rcv_prlo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1180 void *arg, uint32_t evt)
dea3101e 1181{
1182 struct lpfc_iocbq *cmdiocb;
1183
1184 cmdiocb = (struct lpfc_iocbq *) arg;
1185
1186 /* Treat like rcv logo */
2e0fef85 1187 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO);
c9f8735b 1188 return ndlp->nlp_state;
dea3101e 1189}
1190
1191static uint32_t
2e0fef85
JS		 1192lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport,
1193 struct lpfc_nodelist *ndlp,
1194 void *arg, uint32_t evt)
dea3101e 1195{
2e0fef85
JS		 1196 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1197 struct lpfc_hba *phba = vport->phba;
dea3101e 1198 struct lpfc_iocbq *cmdiocb, *rspiocb;
1199 IOCB_t *irsp;
1200 ADISC *ap;
6fb120a7 1201 int rc;
dea3101e 1202
1203 cmdiocb = (struct lpfc_iocbq *) arg;
1204 rspiocb = cmdiocb->context_un.rsp_iocb;
1205
1206 ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb);
1207 irsp = &rspiocb->iocb;
1208
1209 if ((irsp->ulpStatus) ||
92d7f7b0 1210 (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) {
dea3101e 1211 /* 1 sec timeout */
1212 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
2e0fef85 1213 spin_lock_irq(shost->host_lock);
dea3101e 1214 ndlp->nlp_flag |= NLP_DELAY_TMO;
2e0fef85 1215 spin_unlock_irq(shost->host_lock);
5024ab17 1216 ndlp->nlp_last_elscmd = ELS_CMD_PLOGI;
dea3101e 1217
2e0fef85
JS		 1218 memset(&ndlp->nlp_nodename, 0, sizeof(struct lpfc_name));
1219 memset(&ndlp->nlp_portname, 0, sizeof(struct lpfc_name));
dea3101e 1220
5024ab17 1221 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
2e0fef85
JS		 1222 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
1223 lpfc_unreg_rpi(vport, ndlp);
c9f8735b 1224 return ndlp->nlp_state;
dea3101e 1225 }
5024ab17 1226
6fb120a7
JS		 1227 if (phba->sli_rev == LPFC_SLI_REV4) {
1228 rc = lpfc_sli4_resume_rpi(ndlp);
1229 if (rc) {
1230 /* Stay in state and retry. */
1231 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
1232 return ndlp->nlp_state;
1233 }
1234 }
1235
2501322e 1236 if (ndlp->nlp_type & NLP_FCP_TARGET) {
5024ab17 1237 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
2e0fef85 1238 lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE);
2501322e 1239 } else {
5024ab17 1240 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
2e0fef85 1241 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
2501322e 1242 }
6fb120a7 1243
c9f8735b 1244 return ndlp->nlp_state;
dea3101e 1245}
1246
1247static uint32_t
2e0fef85
JS		 1248lpfc_device_rm_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1249 void *arg, uint32_t evt)
dea3101e 1250{
2e0fef85
JS		 1251 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1252
1253 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
1254 spin_lock_irq(shost->host_lock);
a0f9b48d 1255 ndlp->nlp_flag |= NLP_NODEV_REMOVE;
2e0fef85 1256 spin_unlock_irq(shost->host_lock);
a0f9b48d 1257 return ndlp->nlp_state;
2e0fef85 1258 } else {
a0f9b48d 1259 /* software abort outstanding ADISC */
2e0fef85 1260 lpfc_els_abort(vport->phba, ndlp);
dea3101e 1261
2e0fef85 1262 lpfc_drop_node(vport, ndlp);
a0f9b48d
JS		 1263 return NLP_STE_FREED_NODE;
1264 }
dea3101e 1265}
1266
1267static uint32_t
2e0fef85
JS		 1268lpfc_device_recov_adisc_issue(struct lpfc_vport *vport,
1269 struct lpfc_nodelist *ndlp,
1270 void *arg,
1271 uint32_t evt)
dea3101e 1272{
2e0fef85
JS		 1273 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1274 struct lpfc_hba *phba = vport->phba;
1275
92d7f7b0
JS		 1276 /* Don't do anything that will mess up processing of the
1277 * previous RSCN.
1278 */
1279 if (vport->fc_flag & FC_RSCN_DEFERRED)
1280 return ndlp->nlp_state;
1281
dea3101e 1282 /* software abort outstanding ADISC */
07951076 1283 lpfc_els_abort(phba, ndlp);
dea3101e 1284
5024ab17 1285 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
2e0fef85
JS		 1286 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
1287 spin_lock_irq(shost->host_lock);
a0f9b48d 1288 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
2e0fef85 1289 spin_unlock_irq(shost->host_lock);
92d7f7b0 1290 lpfc_disc_set_adisc(vport, ndlp);
c9f8735b 1291 return ndlp->nlp_state;
dea3101e 1292}
1293
1294static uint32_t
2e0fef85
JS		 1295lpfc_rcv_plogi_reglogin_issue(struct lpfc_vport *vport,
1296 struct lpfc_nodelist *ndlp,
1297 void *arg,
dea3101e 1298 uint32_t evt)
1299{
2e0fef85 1300 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1301
2e0fef85 1302 lpfc_rcv_plogi(vport, ndlp, cmdiocb);
c9f8735b 1303 return ndlp->nlp_state;
dea3101e 1304}
1305
1306static uint32_t
2e0fef85
JS		 1307lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport,
1308 struct lpfc_nodelist *ndlp,
1309 void *arg,
dea3101e 1310 uint32_t evt)
1311{
2e0fef85 1312 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1313
2e0fef85 1314 lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp);
c9f8735b 1315 return ndlp->nlp_state;
dea3101e 1316}
1317
1318static uint32_t
2e0fef85
JS		 1319lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport,
1320 struct lpfc_nodelist *ndlp,
1321 void *arg,
dea3101e 1322 uint32_t evt)
1323{
2e0fef85
JS		 1324 struct lpfc_hba *phba = vport->phba;
1325 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
7054a606
JS		 1326 LPFC_MBOXQ_t *mb;
1327 LPFC_MBOXQ_t *nextmb;
1328 struct lpfc_dmabuf *mp;
dea3101e 1329
1330 cmdiocb = (struct lpfc_iocbq *) arg;
1331
7054a606
JS		 1332 /* cleanup any ndlp on mbox q waiting for reglogin cmpl */
1333 if ((mb = phba->sli.mbox_active)) {
04c68496 1334 if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
7054a606 1335 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
92d7f7b0 1336 lpfc_nlp_put(ndlp);
7054a606
JS		 1337 mb->context2 = NULL;
1338 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1339 }
1340 }
1341
2e0fef85 1342 spin_lock_irq(&phba->hbalock);
7054a606 1343 list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
04c68496 1344 if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
7054a606
JS		 1345 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
1346 mp = (struct lpfc_dmabuf *) (mb->context1);
1347 if (mp) {
98c9ea5c 1348 __lpfc_mbuf_free(phba, mp->virt, mp->phys);
7054a606
JS		 1349 kfree(mp);
1350 }
92d7f7b0 1351 lpfc_nlp_put(ndlp);
7054a606 1352 list_del(&mb->list);
5ffc266e 1353 phba->sli.mboxq_cnt--;
7054a606
JS		 1354 mempool_free(mb, phba->mbox_mem_pool);
1355 }
1356 }
2e0fef85 1357 spin_unlock_irq(&phba->hbalock);
7054a606 1358
2e0fef85 1359 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO);
c9f8735b 1360 return ndlp->nlp_state;
dea3101e 1361}
1362
1363static uint32_t
2e0fef85
JS		 1364lpfc_rcv_padisc_reglogin_issue(struct lpfc_vport *vport,
1365 struct lpfc_nodelist *ndlp,
1366 void *arg,
dea3101e 1367 uint32_t evt)
1368{
2e0fef85 1369 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1370
2e0fef85 1371 lpfc_rcv_padisc(vport, ndlp, cmdiocb);
c9f8735b 1372 return ndlp->nlp_state;
dea3101e 1373}
1374
1375static uint32_t
2e0fef85
JS		 1376lpfc_rcv_prlo_reglogin_issue(struct lpfc_vport *vport,
1377 struct lpfc_nodelist *ndlp,
1378 void *arg,
dea3101e 1379 uint32_t evt)
1380{
1381 struct lpfc_iocbq *cmdiocb;
1382
1383 cmdiocb = (struct lpfc_iocbq *) arg;
51ef4c26 1384 lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL);
c9f8735b 1385 return ndlp->nlp_state;
dea3101e 1386}
1387
1388static uint32_t
2e0fef85
JS		 1389lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport,
1390 struct lpfc_nodelist *ndlp,
1391 void *arg,
1392 uint32_t evt)
dea3101e 1393{
2e0fef85 1394 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2e0fef85 1395 LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg;
04c68496 1396 MAILBOX_t *mb = &pmb->u.mb;
2e0fef85 1397 uint32_t did = mb->un.varWords[1];
dea3101e 1398
dea3101e 1399 if (mb->mbxStatus) {
1400 /* RegLogin failed */
e8b62011
JS		 1401 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1402 "0246 RegLogin failed Data: x%x x%x x%x\n",
2e0fef85 1403 did, mb->mbxStatus, vport->port_state);
d0e56dad
JS		 1404 /*
1405 * If RegLogin failed due to lack of HBA resources do not
1406 * retry discovery.
1407 */
1408 if (mb->mbxStatus == MBXERR_RPI_FULL) {
87af33fe
JS		 1409 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1410 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
d0e56dad
JS		 1411 return ndlp->nlp_state;
1412 }
1413
2e0fef85 1414 /* Put ndlp in npr state set plogi timer for 1 sec */
dea3101e 1415 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
2e0fef85 1416 spin_lock_irq(shost->host_lock);
dea3101e 1417 ndlp->nlp_flag |= NLP_DELAY_TMO;
2e0fef85 1418 spin_unlock_irq(shost->host_lock);
5024ab17 1419 ndlp->nlp_last_elscmd = ELS_CMD_PLOGI;
dea3101e 1420
2e0fef85 1421 lpfc_issue_els_logo(vport, ndlp, 0);
5024ab17 1422 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
2e0fef85 1423 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
c9f8735b 1424 return ndlp->nlp_state;
dea3101e 1425 }
1426
dea3101e 1427 ndlp->nlp_rpi = mb->un.varWords[0];
4042629e 1428 ndlp->nlp_flag |= NLP_RPI_REGISTERED;
dea3101e 1429
1430 /* Only if we are not a fabric nport do we issue PRLI */
1431 if (!(ndlp->nlp_type & NLP_FABRIC)) {
5024ab17 1432 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
2e0fef85
JS		 1433 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
1434 lpfc_issue_els_prli(vport, ndlp, 0);
dea3101e 1435 } else {
5024ab17 1436 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
2e0fef85 1437 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
dea3101e 1438 }
c9f8735b 1439 return ndlp->nlp_state;
dea3101e 1440}
1441
1442static uint32_t
2e0fef85
JS		 1443lpfc_device_rm_reglogin_issue(struct lpfc_vport *vport,
1444 struct lpfc_nodelist *ndlp,
1445 void *arg,
dea3101e 1446 uint32_t evt)
1447{
2e0fef85
JS		 1448 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1449
1450 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
1451 spin_lock_irq(shost->host_lock);
a0f9b48d 1452 ndlp->nlp_flag |= NLP_NODEV_REMOVE;
2e0fef85 1453 spin_unlock_irq(shost->host_lock);
a0f9b48d 1454 return ndlp->nlp_state;
2e0fef85
JS		 1455 } else {
1456 lpfc_drop_node(vport, ndlp);
a0f9b48d
JS		 1457 return NLP_STE_FREED_NODE;
1458 }
dea3101e 1459}
1460
1461static uint32_t
2e0fef85
JS		 1462lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport,
1463 struct lpfc_nodelist *ndlp,
1464 void *arg,
1465 uint32_t evt)
dea3101e 1466{
2e0fef85
JS		 1467 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1468
92d7f7b0
JS		 1469 /* Don't do anything that will mess up processing of the
1470 * previous RSCN.
1471 */
1472 if (vport->fc_flag & FC_RSCN_DEFERRED)
1473 return ndlp->nlp_state;
1474
5024ab17 1475 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
2e0fef85
JS		 1476 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
1477 spin_lock_irq(shost->host_lock);
ffc95493 1478 ndlp->nlp_flag |= NLP_IGNR_REG_CMPL;
a0f9b48d 1479 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
2e0fef85 1480 spin_unlock_irq(shost->host_lock);
92d7f7b0 1481 lpfc_disc_set_adisc(vport, ndlp);
c9f8735b 1482 return ndlp->nlp_state;
dea3101e 1483}
1484
1485static uint32_t
2e0fef85
JS		 1486lpfc_rcv_plogi_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1487 void *arg, uint32_t evt)
dea3101e 1488{
1489 struct lpfc_iocbq *cmdiocb;
1490
1491 cmdiocb = (struct lpfc_iocbq *) arg;
1492
2e0fef85 1493 lpfc_rcv_plogi(vport, ndlp, cmdiocb);
c9f8735b 1494 return ndlp->nlp_state;
dea3101e 1495}
1496
1497static uint32_t
2e0fef85
JS		 1498lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1499 void *arg, uint32_t evt)
dea3101e 1500{
2e0fef85 1501 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1502
2e0fef85 1503 lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp);
c9f8735b 1504 return ndlp->nlp_state;
dea3101e 1505}
1506
1507static uint32_t
2e0fef85
JS		 1508lpfc_rcv_logo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1509 void *arg, uint32_t evt)
dea3101e 1510{
2e0fef85 1511 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1512
1513 /* Software abort outstanding PRLI before sending acc */
2e0fef85 1514 lpfc_els_abort(vport->phba, ndlp);
dea3101e 1515
2e0fef85 1516 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO);
c9f8735b 1517 return ndlp->nlp_state;
dea3101e 1518}
1519
1520static uint32_t
2e0fef85
JS		 1521lpfc_rcv_padisc_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1522 void *arg, uint32_t evt)
dea3101e 1523{
2e0fef85 1524 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1525
2e0fef85 1526 lpfc_rcv_padisc(vport, ndlp, cmdiocb);
c9f8735b 1527 return ndlp->nlp_state;
dea3101e 1528}
1529
1530/* This routine is envoked when we rcv a PRLO request from a nport
1531 * we are logged into. We should send back a PRLO rsp setting the
1532 * appropriate bits.
1533 * NEXT STATE = PRLI_ISSUE
1534 */
1535static uint32_t
2e0fef85
JS		 1536lpfc_rcv_prlo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1537 void *arg, uint32_t evt)
dea3101e 1538{
2e0fef85 1539 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1540
51ef4c26 1541 lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL);
c9f8735b 1542 return ndlp->nlp_state;
dea3101e 1543}
1544
1545static uint32_t
2e0fef85
JS		 1546lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1547 void *arg, uint32_t evt)
dea3101e 1548{
92d7f7b0 1549 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
dea3101e 1550 struct lpfc_iocbq *cmdiocb, *rspiocb;
2e0fef85 1551 struct lpfc_hba *phba = vport->phba;
dea3101e 1552 IOCB_t *irsp;
1553 PRLI *npr;
1554
1555 cmdiocb = (struct lpfc_iocbq *) arg;
1556 rspiocb = cmdiocb->context_un.rsp_iocb;
1557 npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb);
1558
1559 irsp = &rspiocb->iocb;
1560 if (irsp->ulpStatus) {
858c9f6c 1561 if ((vport->port_type == LPFC_NPIV_PORT) &&
3de2a653 1562 vport->cfg_restrict_login) {
858c9f6c
JS		 1563 goto out;
1564 }
5024ab17 1565 ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE;
2e0fef85 1566 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
c9f8735b 1567 return ndlp->nlp_state;
dea3101e 1568 }
1569
1570 /* Check out PRLI rsp */
1571 ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
1572 ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
1573 if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) &&
1574 (npr->prliType == PRLI_FCP_TYPE)) {
1575 if (npr->initiatorFunc)
1576 ndlp->nlp_type |= NLP_FCP_INITIATOR;
1577 if (npr->targetFunc)
1578 ndlp->nlp_type |= NLP_FCP_TARGET;
1579 if (npr->Retry)
1580 ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE;
1581 }
92d7f7b0
JS		 1582 if (!(ndlp->nlp_type & NLP_FCP_TARGET) &&
1583 (vport->port_type == LPFC_NPIV_PORT) &&
3de2a653 1584 vport->cfg_restrict_login) {
858c9f6c 1585out:
92d7f7b0
JS		 1586 spin_lock_irq(shost->host_lock);
1587 ndlp->nlp_flag |= NLP_TARGET_REMOVE;
1588 spin_unlock_irq(shost->host_lock);
1589 lpfc_issue_els_logo(vport, ndlp, 0);
1590
1591 ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE;
87af33fe 1592 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
92d7f7b0
JS		 1593 return ndlp->nlp_state;
1594 }
dea3101e 1595
5024ab17 1596 ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE;
92d7f7b0
JS		 1597 if (ndlp->nlp_type & NLP_FCP_TARGET)
1598 lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE);
1599 else
1600 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
c9f8735b 1601 return ndlp->nlp_state;
dea3101e 1602}
1603
1604/*! lpfc_device_rm_prli_issue
92d7f7b0
JS		 1605 *
1606 * \pre
1607 * \post
1608 * \param phba
1609 * \param ndlp
1610 * \param arg
1611 * \param evt
1612 * \return uint32_t
1613 *
1614 * \b Description:
1615 * This routine is envoked when we a request to remove a nport we are in the
1616 * process of PRLIing. We should software abort outstanding prli, unreg
1617 * login, send a logout. We will change node state to UNUSED_NODE, put it
1618 * on plogi list so it can be freed when LOGO completes.
1619 *
1620 */
1621
dea3101e 1622static uint32_t
2e0fef85
JS		 1623lpfc_device_rm_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1624 void *arg, uint32_t evt)
dea3101e 1625{
2e0fef85
JS		 1626 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1627
1628 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
1629 spin_lock_irq(shost->host_lock);
a0f9b48d 1630 ndlp->nlp_flag |= NLP_NODEV_REMOVE;
2e0fef85 1631 spin_unlock_irq(shost->host_lock);
a0f9b48d 1632 return ndlp->nlp_state;
2e0fef85 1633 } else {
a0f9b48d 1634 /* software abort outstanding PLOGI */
2e0fef85 1635 lpfc_els_abort(vport->phba, ndlp);
dea3101e 1636
2e0fef85 1637 lpfc_drop_node(vport, ndlp);
a0f9b48d
JS		 1638 return NLP_STE_FREED_NODE;
1639 }
dea3101e 1640}
1641
1642
1643/*! lpfc_device_recov_prli_issue
92d7f7b0
JS		 1644 *
1645 * \pre
1646 * \post
1647 * \param phba
1648 * \param ndlp
1649 * \param arg
1650 * \param evt
1651 * \return uint32_t
1652 *
1653 * \b Description:
1654 * The routine is envoked when the state of a device is unknown, like
1655 * during a link down. We should remove the nodelist entry from the
1656 * unmapped list, issue a UNREG_LOGIN, do a software abort of the
1657 * outstanding PRLI command, then free the node entry.
1658 */
dea3101e 1659static uint32_t
2e0fef85
JS		 1660lpfc_device_recov_prli_issue(struct lpfc_vport *vport,
1661 struct lpfc_nodelist *ndlp,
1662 void *arg,
1663 uint32_t evt)
dea3101e 1664{
2e0fef85
JS		 1665 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1666 struct lpfc_hba *phba = vport->phba;
1667
92d7f7b0
JS		 1668 /* Don't do anything that will mess up processing of the
1669 * previous RSCN.
1670 */
1671 if (vport->fc_flag & FC_RSCN_DEFERRED)
1672 return ndlp->nlp_state;
1673
dea3101e 1674 /* software abort outstanding PRLI */
07951076 1675 lpfc_els_abort(phba, ndlp);
dea3101e 1676
5024ab17 1677 ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE;
2e0fef85
JS		 1678 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
1679 spin_lock_irq(shost->host_lock);
a0f9b48d 1680 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
2e0fef85 1681 spin_unlock_irq(shost->host_lock);
92d7f7b0 1682 lpfc_disc_set_adisc(vport, ndlp);
c9f8735b 1683 return ndlp->nlp_state;
dea3101e 1684}
1685
1686static uint32_t
2e0fef85
JS		 1687lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1688 void *arg, uint32_t evt)
dea3101e 1689{
2e0fef85 1690 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1691
2e0fef85 1692 lpfc_rcv_plogi(vport, ndlp, cmdiocb);
c9f8735b 1693 return ndlp->nlp_state;
dea3101e 1694}
1695
1696static uint32_t
2e0fef85
JS		 1697lpfc_rcv_prli_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1698 void *arg, uint32_t evt)
dea3101e 1699{
2e0fef85 1700 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1701
2e0fef85
JS		 1702 lpfc_rcv_prli(vport, ndlp, cmdiocb);
1703 lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp);
c9f8735b 1704 return ndlp->nlp_state;
dea3101e 1705}
1706
1707static uint32_t
2e0fef85
JS		 1708lpfc_rcv_logo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1709 void *arg, uint32_t evt)
dea3101e 1710{
2e0fef85 1711 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1712
2e0fef85 1713 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO);
c9f8735b 1714 return ndlp->nlp_state;
dea3101e 1715}
1716
1717static uint32_t
2e0fef85
JS		 1718lpfc_rcv_padisc_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1719 void *arg, uint32_t evt)
dea3101e 1720{
2e0fef85 1721 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1722
2e0fef85 1723 lpfc_rcv_padisc(vport, ndlp, cmdiocb);
c9f8735b 1724 return ndlp->nlp_state;
dea3101e 1725}
1726
1727static uint32_t
2e0fef85
JS		 1728lpfc_rcv_prlo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1729 void *arg, uint32_t evt)
dea3101e 1730{
2e0fef85 1731 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1732
51ef4c26 1733 lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL);
c9f8735b 1734 return ndlp->nlp_state;
dea3101e 1735}
1736
1737static uint32_t
2e0fef85
JS		 1738lpfc_device_recov_unmap_node(struct lpfc_vport *vport,
1739 struct lpfc_nodelist *ndlp,
1740 void *arg,
1741 uint32_t evt)
dea3101e 1742{
2e0fef85
JS		 1743 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1744
5024ab17 1745 ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE;
2e0fef85
JS		 1746 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
1747 spin_lock_irq(shost->host_lock);
a0f9b48d 1748 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
2e0fef85
JS		 1749 spin_unlock_irq(shost->host_lock);
1750 lpfc_disc_set_adisc(vport, ndlp);
dea3101e 1751
c9f8735b 1752 return ndlp->nlp_state;
dea3101e 1753}
1754
1755static uint32_t
2e0fef85
JS		 1756lpfc_rcv_plogi_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1757 void *arg, uint32_t evt)
dea3101e 1758{
2e0fef85 1759 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1760
2e0fef85 1761 lpfc_rcv_plogi(vport, ndlp, cmdiocb);
c9f8735b 1762 return ndlp->nlp_state;
dea3101e 1763}
1764
1765static uint32_t
2e0fef85
JS		 1766lpfc_rcv_prli_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1767 void *arg, uint32_t evt)
dea3101e 1768{
2e0fef85 1769 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1770
2e0fef85 1771 lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp);
c9f8735b 1772 return ndlp->nlp_state;
dea3101e 1773}
1774
1775static uint32_t
2e0fef85
JS		 1776lpfc_rcv_logo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1777 void *arg, uint32_t evt)
dea3101e 1778{
2e0fef85 1779 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1780
2e0fef85 1781 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO);
c9f8735b 1782 return ndlp->nlp_state;
dea3101e 1783}
1784
1785static uint32_t
2e0fef85
JS		 1786lpfc_rcv_padisc_mapped_node(struct lpfc_vport *vport,
1787 struct lpfc_nodelist *ndlp,
1788 void *arg, uint32_t evt)
dea3101e 1789{
2e0fef85 1790 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1791
2e0fef85 1792 lpfc_rcv_padisc(vport, ndlp, cmdiocb);
c9f8735b 1793 return ndlp->nlp_state;
dea3101e 1794}
1795
1796static uint32_t
2e0fef85
JS		 1797lpfc_rcv_prlo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1798 void *arg, uint32_t evt)
dea3101e 1799{
2e0fef85
JS		 1800 struct lpfc_hba *phba = vport->phba;
1801 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1802
1803 /* flush the target */
51ef4c26
JS		 1804 lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring],
1805 ndlp->nlp_sid, 0, LPFC_CTX_TGT);
dea3101e 1806
1807 /* Treat like rcv logo */
2e0fef85 1808 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO);
c9f8735b 1809 return ndlp->nlp_state;
dea3101e 1810}
1811
1812static uint32_t
2e0fef85
JS		 1813lpfc_device_recov_mapped_node(struct lpfc_vport *vport,
1814 struct lpfc_nodelist *ndlp,
1815 void *arg,
1816 uint32_t evt)
dea3101e 1817{
2e0fef85
JS		 1818 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1819
5024ab17 1820 ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE;
2e0fef85
JS		 1821 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
1822 spin_lock_irq(shost->host_lock);
a0f9b48d 1823 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
2e0fef85
JS		 1824 spin_unlock_irq(shost->host_lock);
1825 lpfc_disc_set_adisc(vport, ndlp);
c9f8735b 1826 return ndlp->nlp_state;
dea3101e 1827}
1828
1829static uint32_t
2e0fef85
JS		 1830lpfc_rcv_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1831 void *arg, uint32_t evt)
dea3101e 1832{
2e0fef85
JS		 1833 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1834 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1835
1836 /* Ignore PLOGI if we have an outstanding LOGO */
0d2b6b83 1837 if (ndlp->nlp_flag & (NLP_LOGO_SND | NLP_LOGO_ACC))
c9f8735b 1838 return ndlp->nlp_state;
2e0fef85 1839 if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) {
0d2b6b83 1840 lpfc_cancel_retry_delay_tmo(vport, ndlp);
2e0fef85 1841 spin_lock_irq(shost->host_lock);
0d2b6b83 1842 ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC);
2e0fef85 1843 spin_unlock_irq(shost->host_lock);
0d2b6b83
JS		 1844 } else if (!(ndlp->nlp_flag & NLP_NPR_2B_DISC)) {
1845 /* send PLOGI immediately, move to PLOGI issue state */
1846 if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) {
1847 ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
1848 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
1849 lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0);
1850 }
dea3101e 1851 }
c9f8735b 1852 return ndlp->nlp_state;
dea3101e 1853}
1854
1855static uint32_t
2e0fef85
JS		 1856lpfc_rcv_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1857 void *arg, uint32_t evt)
dea3101e 1858{
2e0fef85
JS		 1859 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1860 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
1861 struct ls_rjt stat;
dea3101e 1862
1863 memset(&stat, 0, sizeof (struct ls_rjt));
1864 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
1865 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
858c9f6c 1866 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
dea3101e 1867
1868 if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) {
1869 if (ndlp->nlp_flag & NLP_NPR_ADISC) {
2e0fef85 1870 spin_lock_irq(shost->host_lock);
c9f8735b 1871 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
5024ab17 1872 ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
2e0fef85
JS		 1873 spin_unlock_irq(shost->host_lock);
1874 lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE);
1875 lpfc_issue_els_adisc(vport, ndlp, 0);
dea3101e 1876 } else {
5024ab17 1877 ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
2e0fef85
JS		 1878 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
1879 lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0);
dea3101e 1880 }
1881 }
c9f8735b 1882 return ndlp->nlp_state;
dea3101e 1883}
1884
1885static uint32_t
2e0fef85
JS		 1886lpfc_rcv_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1887 void *arg, uint32_t evt)
dea3101e 1888{
2e0fef85 1889 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1890
2e0fef85 1891 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO);
c9f8735b 1892 return ndlp->nlp_state;
dea3101e 1893}
1894
1895static uint32_t
2e0fef85
JS		 1896lpfc_rcv_padisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1897 void *arg, uint32_t evt)
dea3101e 1898{
2e0fef85 1899 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1900
2e0fef85 1901 lpfc_rcv_padisc(vport, ndlp, cmdiocb);
33ccf8d1
JS		 1902 /*
1903 * Do not start discovery if discovery is about to start
1904 * or discovery in progress for this node. Starting discovery
1905 * here will affect the counting of discovery threads.
1906 */
2fb9bd8b 1907 if (!(ndlp->nlp_flag & NLP_DELAY_TMO) &&
92d7f7b0 1908 !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) {
dea3101e 1909 if (ndlp->nlp_flag & NLP_NPR_ADISC) {
92d7f7b0 1910 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
5024ab17 1911 ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
2e0fef85
JS		 1912 lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE);
1913 lpfc_issue_els_adisc(vport, ndlp, 0);
dea3101e 1914 } else {
5024ab17 1915 ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
2e0fef85
JS		 1916 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
1917 lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0);
dea3101e 1918 }
1919 }
c9f8735b 1920 return ndlp->nlp_state;
dea3101e 1921}
1922
1923static uint32_t
2e0fef85
JS		 1924lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1925 void *arg, uint32_t evt)
dea3101e 1926{
2e0fef85
JS		 1927 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1928 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
dea3101e 1929
2e0fef85 1930 spin_lock_irq(shost->host_lock);
c9f8735b 1931 ndlp->nlp_flag |= NLP_LOGO_ACC;
2e0fef85 1932 spin_unlock_irq(shost->host_lock);
c9f8735b 1933
51ef4c26 1934 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
dea3101e 1935
2e0fef85 1936 if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) {
c9f8735b 1937 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
2e0fef85 1938 spin_lock_irq(shost->host_lock);
c9f8735b
JW		 1939 ndlp->nlp_flag |= NLP_DELAY_TMO;
1940 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
2e0fef85 1941 spin_unlock_irq(shost->host_lock);
5024ab17 1942 ndlp->nlp_last_elscmd = ELS_CMD_PLOGI;
c9f8735b 1943 } else {
2e0fef85 1944 spin_lock_irq(shost->host_lock);
c9f8735b 1945 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
2e0fef85 1946 spin_unlock_irq(shost->host_lock);
dea3101e 1947 }
c9f8735b
JW		 1948 return ndlp->nlp_state;
1949}
dea3101e 1950
c9f8735b 1951static uint32_t
2e0fef85
JS		 1952lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1953 void *arg, uint32_t evt)
c9f8735b
JW		 1954{
1955 struct lpfc_iocbq *cmdiocb, *rspiocb;
a0f9b48d 1956 IOCB_t *irsp;
c9f8735b
JW		 1957
1958 cmdiocb = (struct lpfc_iocbq *) arg;
1959 rspiocb = cmdiocb->context_un.rsp_iocb;
a0f9b48d
JS		 1960
1961 irsp = &rspiocb->iocb;
1962 if (irsp->ulpStatus) {
a8adb832 1963 ndlp->nlp_flag |= NLP_DEFER_RM;
a0f9b48d
JS		 1964 return NLP_STE_FREED_NODE;
1965 }
c9f8735b
JW		 1966 return ndlp->nlp_state;
1967}
1968
1969static uint32_t
2e0fef85
JS		 1970lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1971 void *arg, uint32_t evt)
c9f8735b
JW		 1972{
1973 struct lpfc_iocbq *cmdiocb, *rspiocb;
a0f9b48d 1974 IOCB_t *irsp;
c9f8735b
JW		 1975
1976 cmdiocb = (struct lpfc_iocbq *) arg;
1977 rspiocb = cmdiocb->context_un.rsp_iocb;
a0f9b48d
JS		 1978
1979 irsp = &rspiocb->iocb;
1980 if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) {
2e0fef85 1981 lpfc_drop_node(vport, ndlp);
a0f9b48d
JS		 1982 return NLP_STE_FREED_NODE;
1983 }
c9f8735b 1984 return ndlp->nlp_state;
dea3101e 1985}
1986
1987static uint32_t
2e0fef85
JS		 1988lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1989 void *arg, uint32_t evt)
dea3101e 1990{
d7c255b2
JS		 1991 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1992 if (ndlp->nlp_DID == Fabric_DID) {
1993 spin_lock_irq(shost->host_lock);
1994 vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
1995 spin_unlock_irq(shost->host_lock);
1996 }
2e0fef85 1997 lpfc_unreg_rpi(vport, ndlp);
c9f8735b
JW		 1998 return ndlp->nlp_state;
1999}
2000
2001static uint32_t
2e0fef85
JS		 2002lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2003 void *arg, uint32_t evt)
c9f8735b
JW		 2004{
2005 struct lpfc_iocbq *cmdiocb, *rspiocb;
a0f9b48d 2006 IOCB_t *irsp;
c9f8735b
JW		 2007
2008 cmdiocb = (struct lpfc_iocbq *) arg;
2009 rspiocb = cmdiocb->context_un.rsp_iocb;
a0f9b48d
JS		 2010
2011 irsp = &rspiocb->iocb;
2012 if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) {
2e0fef85 2013 lpfc_drop_node(vport, ndlp);
a0f9b48d
JS		 2014 return NLP_STE_FREED_NODE;
2015 }
c9f8735b 2016 return ndlp->nlp_state;
dea3101e 2017}
2018
2019static uint32_t
2e0fef85
JS		 2020lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport,
2021 struct lpfc_nodelist *ndlp,
2022 void *arg, uint32_t evt)
dea3101e 2023{
2e0fef85 2024 LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg;
04c68496 2025 MAILBOX_t *mb = &pmb->u.mb;
dea3101e 2026
04c68496 2027 if (!mb->mbxStatus) {
c9f8735b 2028 ndlp->nlp_rpi = mb->un.varWords[0];
4042629e 2029 ndlp->nlp_flag |= NLP_RPI_REGISTERED;
04c68496 2030 } else {
a0f9b48d 2031 if (ndlp->nlp_flag & NLP_NODEV_REMOVE) {
2e0fef85 2032 lpfc_drop_node(vport, ndlp);
a0f9b48d
JS		 2033 return NLP_STE_FREED_NODE;
2034 }
2035 }
c9f8735b 2036 return ndlp->nlp_state;
dea3101e 2037}
2038
2039static uint32_t
2e0fef85
JS		 2040lpfc_device_rm_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2041 void *arg, uint32_t evt)
dea3101e 2042{
2e0fef85
JS		 2043 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2044
a0f9b48d 2045 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
2e0fef85 2046 spin_lock_irq(shost->host_lock);
a0f9b48d 2047 ndlp->nlp_flag |= NLP_NODEV_REMOVE;
2e0fef85 2048 spin_unlock_irq(shost->host_lock);
a0f9b48d
JS		 2049 return ndlp->nlp_state;
2050 }
2e0fef85 2051 lpfc_drop_node(vport, ndlp);
c9f8735b 2052 return NLP_STE_FREED_NODE;
dea3101e 2053}
2054
2055static uint32_t
2e0fef85
JS		 2056lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2057 void *arg, uint32_t evt)
dea3101e 2058{
2e0fef85
JS		 2059 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2060
92d7f7b0
JS		 2061 /* Don't do anything that will mess up processing of the
2062 * previous RSCN.
2063 */
2064 if (vport->fc_flag & FC_RSCN_DEFERRED)
2065 return ndlp->nlp_state;
2066
eaf15d5b 2067 lpfc_cancel_retry_delay_tmo(vport, ndlp);
2e0fef85 2068 spin_lock_irq(shost->host_lock);
a0f9b48d 2069 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
2e0fef85 2070 spin_unlock_irq(shost->host_lock);
c9f8735b 2071 return ndlp->nlp_state;
dea3101e 2072}
2073
2074
2075/* This next section defines the NPort Discovery State Machine */
2076
2077/* There are 4 different double linked lists nodelist entries can reside on.
2078 * The plogi list and adisc list are used when Link Up discovery or RSCN
2079 * processing is needed. Each list holds the nodes that we will send PLOGI
2080 * or ADISC on. These lists will keep track of what nodes will be effected
2081 * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up).
2082 * The unmapped_list will contain all nodes that we have successfully logged
2083 * into at the Fibre Channel level. The mapped_list will contain all nodes
2084 * that are mapped FCP targets.
2085 */
2086/*
2087 * The bind list is a list of undiscovered (potentially non-existent) nodes
2088 * that we have saved binding information on. This information is used when
2089 * nodes transition from the unmapped to the mapped list.
2090 */
2091/* For UNUSED_NODE state, the node has just been allocated .
2092 * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on
2093 * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list
2094 * and put on the unmapped list. For ADISC processing, the node is taken off
2095 * the ADISC list and placed on either the mapped or unmapped list (depending
2096 * on its previous state). Once on the unmapped list, a PRLI is issued and the
2097 * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is
2098 * changed to UNMAPPED_NODE. If the completion indicates a mapped
2099 * node, the node is taken off the unmapped list. The binding list is checked
2100 * for a valid binding, or a binding is automatically assigned. If binding
2101 * assignment is unsuccessful, the node is left on the unmapped list. If
2102 * binding assignment is successful, the associated binding list entry (if
2103 * any) is removed, and the node is placed on the mapped list.
2104 */
2105/*
2106 * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped
c01f3208 2107 * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers
dea3101e 2108 * expire, all effected nodes will receive a DEVICE_RM event.
2109 */
2110/*
2111 * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists
2112 * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap
2113 * check, additional nodes may be added or removed (via DEVICE_RM) to / from
2114 * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated,
2115 * we will first process the ADISC list. 32 entries are processed initially and
2116 * ADISC is initited for each one. Completions / Events for each node are
2117 * funnelled thru the state machine. As each node finishes ADISC processing, it
2118 * starts ADISC for any nodes waiting for ADISC processing. If no nodes are
2119 * waiting, and the ADISC list count is identically 0, then we are done. For
2120 * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we
2121 * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI
2122 * list. 32 entries are processed initially and PLOGI is initited for each one.
2123 * Completions / Events for each node are funnelled thru the state machine. As
2124 * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting
2125 * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is
2126 * indentically 0, then we are done. We have now completed discovery / RSCN
2127 * handling. Upon completion, ALL nodes should be on either the mapped or
2128 * unmapped lists.
2129 */
2130
2131static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT])
2e0fef85 2132 (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t) = {
dea3101e 2133 /* Action routine Event Current State */
2134 lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */
2135 lpfc_rcv_els_unused_node, /* RCV_PRLI */
2136 lpfc_rcv_logo_unused_node, /* RCV_LOGO */
2137 lpfc_rcv_els_unused_node, /* RCV_ADISC */
2138 lpfc_rcv_els_unused_node, /* RCV_PDISC */
2139 lpfc_rcv_els_unused_node, /* RCV_PRLO */
2140 lpfc_disc_illegal, /* CMPL_PLOGI */
2141 lpfc_disc_illegal, /* CMPL_PRLI */
2142 lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */
2143 lpfc_disc_illegal, /* CMPL_ADISC */
2144 lpfc_disc_illegal, /* CMPL_REG_LOGIN */
2145 lpfc_device_rm_unused_node, /* DEVICE_RM */
2146 lpfc_disc_illegal, /* DEVICE_RECOVERY */
2147
2148 lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */
92d7f7b0 2149 lpfc_rcv_prli_plogi_issue, /* RCV_PRLI */
c9f8735b 2150 lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */
dea3101e 2151 lpfc_rcv_els_plogi_issue, /* RCV_ADISC */
2152 lpfc_rcv_els_plogi_issue, /* RCV_PDISC */
2153 lpfc_rcv_els_plogi_issue, /* RCV_PRLO */
2154 lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */
2155 lpfc_disc_illegal, /* CMPL_PRLI */
0ff10d46 2156 lpfc_cmpl_logo_plogi_issue, /* CMPL_LOGO */
dea3101e 2157 lpfc_disc_illegal, /* CMPL_ADISC */
0ff10d46 2158 lpfc_cmpl_reglogin_plogi_issue,/* CMPL_REG_LOGIN */
dea3101e 2159 lpfc_device_rm_plogi_issue, /* DEVICE_RM */
2160 lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */
2161
2162 lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */
2163 lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */
2164 lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */
2165 lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */
2166 lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */
2167 lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */
2168 lpfc_disc_illegal, /* CMPL_PLOGI */
2169 lpfc_disc_illegal, /* CMPL_PRLI */
2170 lpfc_disc_illegal, /* CMPL_LOGO */
2171 lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */
2172 lpfc_disc_illegal, /* CMPL_REG_LOGIN */
2173 lpfc_device_rm_adisc_issue, /* DEVICE_RM */
2174 lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */
2175
2176 lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */
2177 lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */
2178 lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */
2179 lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */
2180 lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */
2181 lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */
87af33fe 2182 lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */
dea3101e 2183 lpfc_disc_illegal, /* CMPL_PRLI */
2184 lpfc_disc_illegal, /* CMPL_LOGO */
2185 lpfc_disc_illegal, /* CMPL_ADISC */
2186 lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */
2187 lpfc_device_rm_reglogin_issue, /* DEVICE_RM */
2188 lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */
2189
2190 lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */
2191 lpfc_rcv_prli_prli_issue, /* RCV_PRLI */
2192 lpfc_rcv_logo_prli_issue, /* RCV_LOGO */
2193 lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */
2194 lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */
2195 lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */
87af33fe 2196 lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */
dea3101e 2197 lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */
2198 lpfc_disc_illegal, /* CMPL_LOGO */
2199 lpfc_disc_illegal, /* CMPL_ADISC */
2200 lpfc_disc_illegal, /* CMPL_REG_LOGIN */
2201 lpfc_device_rm_prli_issue, /* DEVICE_RM */
2202 lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */
2203
2204 lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */
2205 lpfc_rcv_prli_unmap_node, /* RCV_PRLI */
2206 lpfc_rcv_logo_unmap_node, /* RCV_LOGO */
2207 lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */
2208 lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */
2209 lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */
2210 lpfc_disc_illegal, /* CMPL_PLOGI */
2211 lpfc_disc_illegal, /* CMPL_PRLI */
2212 lpfc_disc_illegal, /* CMPL_LOGO */
2213 lpfc_disc_illegal, /* CMPL_ADISC */
2214 lpfc_disc_illegal, /* CMPL_REG_LOGIN */
2215 lpfc_disc_illegal, /* DEVICE_RM */
2216 lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */
2217
2218 lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */
2219 lpfc_rcv_prli_mapped_node, /* RCV_PRLI */
2220 lpfc_rcv_logo_mapped_node, /* RCV_LOGO */
2221 lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */
2222 lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */
2223 lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */
2224 lpfc_disc_illegal, /* CMPL_PLOGI */
2225 lpfc_disc_illegal, /* CMPL_PRLI */
2226 lpfc_disc_illegal, /* CMPL_LOGO */
2227 lpfc_disc_illegal, /* CMPL_ADISC */
2228 lpfc_disc_illegal, /* CMPL_REG_LOGIN */
2229 lpfc_disc_illegal, /* DEVICE_RM */
2230 lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */
2231
2232 lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */
2233 lpfc_rcv_prli_npr_node, /* RCV_PRLI */
2234 lpfc_rcv_logo_npr_node, /* RCV_LOGO */
2235 lpfc_rcv_padisc_npr_node, /* RCV_ADISC */
2236 lpfc_rcv_padisc_npr_node, /* RCV_PDISC */
2237 lpfc_rcv_prlo_npr_node, /* RCV_PRLO */
c9f8735b
JW		 2238 lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */
2239 lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */
dea3101e 2240 lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */
c9f8735b 2241 lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */
dea3101e 2242 lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */
2243 lpfc_device_rm_npr_node, /* DEVICE_RM */
2244 lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */
2245};
2246
2247int
2e0fef85
JS		 2248lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2249 void *arg, uint32_t evt)
dea3101e 2250{
2251 uint32_t cur_state, rc;
2e0fef85 2252 uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *,
dea3101e 2253 uint32_t);
e47c9093
JS		 2254 uint32_t got_ndlp = 0;
2255
2256 if (lpfc_nlp_get(ndlp))
2257 got_ndlp = 1;
dea3101e 2258
dea3101e 2259 cur_state = ndlp->nlp_state;
2260
2261 /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */
e8b62011
JS		 2262 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2263 "0211 DSM in event x%x on NPort x%x in "
2264 "state %d Data: x%x\n",
2265 evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag);
dea3101e 2266
858c9f6c
JS		 2267 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
2268 "DSM in: evt:%d ste:%d did:x%x",
2269 evt, cur_state, ndlp->nlp_DID);
2270
dea3101e 2271 func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt];
2e0fef85 2272 rc = (func) (vport, ndlp, arg, evt);
dea3101e 2273
2274 /* DSM out state <rc> on NPort <nlp_DID> */
e47c9093
JS		 2275 if (got_ndlp) {
2276 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
e8b62011
JS		 2277 "0212 DSM out state %d on NPort x%x Data: x%x\n",
2278 rc, ndlp->nlp_DID, ndlp->nlp_flag);
dea3101e 2279
e47c9093
JS		 2280 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
2281 "DSM out: ste:%d did:x%x flg:x%x",
2282 rc, ndlp->nlp_DID, ndlp->nlp_flag);
2283 /* Decrement the ndlp reference count held for this function */
2284 lpfc_nlp_put(ndlp);
2285 } else {
2286 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
d7c255b2 2287 "0213 DSM out state %d on NPort free\n", rc);
858c9f6c 2288
e47c9093
JS		 2289 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
2290 "DSM out: ste:%d did:x%x flg:x%x",
2291 rc, 0, 0);
2292 }
dea3101e 2293
c9f8735b 2294 return rc;
dea3101e 2295}
Linux 6.x block layer and io_uring tree(s)