| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1 | /******************************************************************* |
| 2 | * This file is part of the Emulex Linux Device Driver for * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 3 | * Fibre Channel Host Bus Adapters. * |
| 4 | * Copyright (C) 2004-2005 Emulex. All rights reserved. * |
| 5 | * EMULEX and SLI are trademarks of Emulex. * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 6 | * www.emulex.com * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 8 | * * |
| 9 | * This program is free software; you can redistribute it and/or * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 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. * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 20 | *******************************************************************/ |
| 21 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 22 | #include <linux/blkdev.h> |
| 23 | #include <linux/pci.h> |
| 24 | #include <linux/interrupt.h> |
| 25 | |
| 26 | #include <scsi/scsi_device.h> |
| 27 | #include <scsi/scsi_host.h> |
| 28 | #include <scsi/scsi_transport_fc.h> |
| 29 | |
| 30 | #include "lpfc_hw.h" |
| 31 | #include "lpfc_sli.h" |
| 32 | #include "lpfc_disc.h" |
| 33 | #include "lpfc_scsi.h" |
| 34 | #include "lpfc.h" |
| 35 | #include "lpfc_logmsg.h" |
| 36 | #include "lpfc_crtn.h" |
| 37 | |
| 38 | |
| 39 | /* Called to verify a rcv'ed ADISC was intended for us. */ |
| 40 | static int |
| 41 | lpfc_check_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, |
| 42 | struct lpfc_name * nn, struct lpfc_name * pn) |
| 43 | { |
| 44 | /* Compare the ADISC rsp WWNN / WWPN matches our internal node |
| 45 | * table entry for that node. |
| 46 | */ |
| 47 | if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name)) != 0) |
| 48 | return (0); |
| 49 | |
| 50 | if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name)) != 0) |
| 51 | return (0); |
| 52 | |
| 53 | /* we match, return success */ |
| 54 | return (1); |
| 55 | } |
| 56 | |
| 57 | |
| 58 | int |
| 59 | lpfc_check_sparm(struct lpfc_hba * phba, |
| 60 | struct lpfc_nodelist * ndlp, struct serv_parm * sp, |
| 61 | uint32_t class) |
| 62 | { |
| 63 | volatile struct serv_parm *hsp = &phba->fc_sparam; |
| 64 | /* First check for supported version */ |
| 65 | |
| 66 | /* Next check for class validity */ |
| 67 | if (sp->cls1.classValid) { |
| 68 | |
| 69 | if (sp->cls1.rcvDataSizeMsb > hsp->cls1.rcvDataSizeMsb) |
| 70 | sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb; |
| 71 | if (sp->cls1.rcvDataSizeLsb > hsp->cls1.rcvDataSizeLsb) |
| 72 | sp->cls1.rcvDataSizeLsb = hsp->cls1.rcvDataSizeLsb; |
| 73 | } else if (class == CLASS1) { |
| 74 | return (0); |
| 75 | } |
| 76 | |
| 77 | if (sp->cls2.classValid) { |
| 78 | |
| 79 | if (sp->cls2.rcvDataSizeMsb > hsp->cls2.rcvDataSizeMsb) |
| 80 | sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb; |
| 81 | if (sp->cls2.rcvDataSizeLsb > hsp->cls2.rcvDataSizeLsb) |
| 82 | sp->cls2.rcvDataSizeLsb = hsp->cls2.rcvDataSizeLsb; |
| 83 | } else if (class == CLASS2) { |
| 84 | return (0); |
| 85 | } |
| 86 | |
| 87 | if (sp->cls3.classValid) { |
| 88 | |
| 89 | if (sp->cls3.rcvDataSizeMsb > hsp->cls3.rcvDataSizeMsb) |
| 90 | sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb; |
| 91 | if (sp->cls3.rcvDataSizeLsb > hsp->cls3.rcvDataSizeLsb) |
| 92 | sp->cls3.rcvDataSizeLsb = hsp->cls3.rcvDataSizeLsb; |
| 93 | } else if (class == CLASS3) { |
| 94 | return (0); |
| 95 | } |
| 96 | |
| 97 | if (sp->cmn.bbRcvSizeMsb > hsp->cmn.bbRcvSizeMsb) |
| 98 | sp->cmn.bbRcvSizeMsb = hsp->cmn.bbRcvSizeMsb; |
| 99 | if (sp->cmn.bbRcvSizeLsb > hsp->cmn.bbRcvSizeLsb) |
| 100 | sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; |
| 101 | |
| 102 | /* If check is good, copy wwpn wwnn into ndlp */ |
| 103 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); |
| 104 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); |
| 105 | return (1); |
| 106 | } |
| 107 | |
| 108 | static void * |
| 109 | lpfc_check_elscmpl_iocb(struct lpfc_hba * phba, |
| 110 | struct lpfc_iocbq *cmdiocb, |
| 111 | struct lpfc_iocbq *rspiocb) |
| 112 | { |
| 113 | struct lpfc_dmabuf *pcmd, *prsp; |
| 114 | uint32_t *lp; |
| 115 | void *ptr = NULL; |
| 116 | IOCB_t *irsp; |
| 117 | |
| 118 | irsp = &rspiocb->iocb; |
| 119 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 120 | |
| 121 | /* For lpfc_els_abort, context2 could be zero'ed to delay |
| 122 | * freeing associated memory till after ABTS completes. |
| 123 | */ |
| 124 | if (pcmd) { |
| 125 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, |
| 126 | list); |
| 127 | if (prsp) { |
| 128 | lp = (uint32_t *) prsp->virt; |
| 129 | ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); |
| 130 | } |
| 131 | } |
| 132 | else { |
| 133 | /* Force ulpStatus error since we are returning NULL ptr */ |
| 134 | if (!(irsp->ulpStatus)) { |
| 135 | irsp->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 136 | irsp->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 137 | } |
| 138 | ptr = NULL; |
| 139 | } |
| 140 | return (ptr); |
| 141 | } |
| 142 | |
| 143 | |
| 144 | /* |
| 145 | * Free resources / clean up outstanding I/Os |
| 146 | * associated with a LPFC_NODELIST entry. This |
| 147 | * routine effectively results in a "software abort". |
| 148 | */ |
| 149 | int |
| 150 | lpfc_els_abort(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, |
| 151 | int send_abts) |
| 152 | { |
| 153 | struct lpfc_sli *psli; |
| 154 | struct lpfc_sli_ring *pring; |
| 155 | struct lpfc_iocbq *iocb, *next_iocb; |
| 156 | IOCB_t *icmd; |
| 157 | int found = 0; |
| 158 | |
| 159 | /* Abort outstanding I/O on NPort <nlp_DID> */ |
| 160 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 161 | "%d:0201 Abort outstanding I/O on NPort x%x " |
| 162 | "Data: x%x x%x x%x\n", |
| 163 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, |
| 164 | ndlp->nlp_state, ndlp->nlp_rpi); |
| 165 | |
| 166 | psli = &phba->sli; |
| 167 | pring = &psli->ring[LPFC_ELS_RING]; |
| 168 | |
| 169 | /* First check the txq */ |
| 170 | do { |
| 171 | found = 0; |
| 172 | spin_lock_irq(phba->host->host_lock); |
| 173 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
| 174 | /* Check to see if iocb matches the nport we are looking |
| 175 | for */ |
| 176 | if ((lpfc_check_sli_ndlp(phba, pring, iocb, ndlp))) { |
| 177 | found = 1; |
| 178 | /* It matches, so deque and call compl with an |
| 179 | error */ |
| 180 | list_del(&iocb->list); |
| 181 | pring->txq_cnt--; |
| 182 | if (iocb->iocb_cmpl) { |
| 183 | icmd = &iocb->iocb; |
| 184 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 185 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 186 | spin_unlock_irq(phba->host->host_lock); |
| 187 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
| 188 | spin_lock_irq(phba->host->host_lock); |
| 189 | } else { |
| 190 | list_add_tail(&iocb->list, |
| 191 | &phba->lpfc_iocb_list); |
| 192 | } |
| 193 | break; |
| 194 | } |
| 195 | } |
| 196 | spin_unlock_irq(phba->host->host_lock); |
| 197 | } while (found); |
| 198 | |
| 199 | /* Everything on txcmplq will be returned by firmware |
| 200 | * with a no rpi / linkdown / abort error. For ring 0, |
| 201 | * ELS discovery, we want to get rid of it right here. |
| 202 | */ |
| 203 | /* Next check the txcmplq */ |
| 204 | do { |
| 205 | found = 0; |
| 206 | spin_lock_irq(phba->host->host_lock); |
| 207 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, |
| 208 | list) { |
| 209 | /* Check to see if iocb matches the nport we are looking |
| 210 | for */ |
| 211 | if ((lpfc_check_sli_ndlp (phba, pring, iocb, ndlp))) { |
| 212 | found = 1; |
| 213 | /* It matches, so deque and call compl with an |
| 214 | error */ |
| 215 | list_del(&iocb->list); |
| 216 | pring->txcmplq_cnt--; |
| 217 | |
| 218 | icmd = &iocb->iocb; |
| 219 | /* If the driver is completing an ELS |
| 220 | * command early, flush it out of the firmware. |
| 221 | */ |
| 222 | if (send_abts && |
| 223 | (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) && |
| 224 | (icmd->un.elsreq64.bdl.ulpIoTag32)) { |
| 225 | lpfc_sli_issue_abort_iotag32(phba, |
| 226 | pring, iocb); |
| 227 | } |
| 228 | if (iocb->iocb_cmpl) { |
| 229 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 230 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 231 | spin_unlock_irq(phba->host->host_lock); |
| 232 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
| 233 | spin_lock_irq(phba->host->host_lock); |
| 234 | } else { |
| 235 | list_add_tail(&iocb->list, |
| 236 | &phba->lpfc_iocb_list); |
| 237 | } |
| 238 | break; |
| 239 | } |
| 240 | } |
| 241 | spin_unlock_irq(phba->host->host_lock); |
| 242 | } while(found); |
| 243 | |
| 244 | /* If we are delaying issuing an ELS command, cancel it */ |
| 245 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { |
| 246 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
| 247 | del_timer_sync(&ndlp->nlp_delayfunc); |
| 248 | if (!list_empty(&ndlp->els_retry_evt.evt_listp)) |
| 249 | list_del_init(&ndlp->els_retry_evt.evt_listp); |
| 250 | } |
| 251 | return (0); |
| 252 | } |
| 253 | |
| 254 | static int |
| 255 | lpfc_rcv_plogi(struct lpfc_hba * phba, |
| 256 | struct lpfc_nodelist * ndlp, |
| 257 | struct lpfc_iocbq *cmdiocb) |
| 258 | { |
| 259 | struct lpfc_dmabuf *pcmd; |
| 260 | uint32_t *lp; |
| 261 | IOCB_t *icmd; |
| 262 | struct serv_parm *sp; |
| 263 | LPFC_MBOXQ_t *mbox; |
| 264 | struct ls_rjt stat; |
| 265 | int rc; |
| 266 | |
| 267 | memset(&stat, 0, sizeof (struct ls_rjt)); |
| 268 | if (phba->hba_state <= LPFC_FLOGI) { |
| 269 | /* Before responding to PLOGI, check for pt2pt mode. |
| 270 | * If we are pt2pt, with an outstanding FLOGI, abort |
| 271 | * the FLOGI and resend it first. |
| 272 | */ |
| 273 | if (phba->fc_flag & FC_PT2PT) { |
| 274 | lpfc_els_abort_flogi(phba); |
| 275 | if (!(phba->fc_flag & FC_PT2PT_PLOGI)) { |
| 276 | /* If the other side is supposed to initiate |
| 277 | * the PLOGI anyway, just ACC it now and |
| 278 | * move on with discovery. |
| 279 | */ |
| 280 | phba->fc_edtov = FF_DEF_EDTOV; |
| 281 | phba->fc_ratov = FF_DEF_RATOV; |
| 282 | /* Start discovery - this should just do |
| 283 | CLEAR_LA */ |
| 284 | lpfc_disc_start(phba); |
| 285 | } |
| 286 | else { |
| 287 | lpfc_initial_flogi(phba); |
| 288 | } |
| 289 | } |
| 290 | else { |
| 291 | stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; |
| 292 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; |
| 293 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, |
| 294 | ndlp); |
| 295 | return 0; |
| 296 | } |
| 297 | } |
| 298 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 299 | lp = (uint32_t *) pcmd->virt; |
| 300 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
| 301 | if ((lpfc_check_sparm(phba, ndlp, sp, CLASS3) == 0)) { |
| 302 | /* Reject this request because invalid parameters */ |
| 303 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 304 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; |
| 305 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); |
| 306 | return (0); |
| 307 | } |
| 308 | icmd = &cmdiocb->iocb; |
| 309 | |
| 310 | /* PLOGI chkparm OK */ |
| 311 | lpfc_printf_log(phba, |
| 312 | KERN_INFO, |
| 313 | LOG_ELS, |
| 314 | "%d:0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", |
| 315 | phba->brd_no, |
| 316 | ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, |
| 317 | ndlp->nlp_rpi); |
| 318 | |
| 319 | if ((phba->cfg_fcp_class == 2) && |
| 320 | (sp->cls2.classValid)) { |
| 321 | ndlp->nlp_fcp_info |= CLASS2; |
| 322 | } else { |
| 323 | ndlp->nlp_fcp_info |= CLASS3; |
| 324 | } |
| 325 | ndlp->nlp_class_sup = 0; |
| 326 | if (sp->cls1.classValid) |
| 327 | ndlp->nlp_class_sup |= FC_COS_CLASS1; |
| 328 | if (sp->cls2.classValid) |
| 329 | ndlp->nlp_class_sup |= FC_COS_CLASS2; |
| 330 | if (sp->cls3.classValid) |
| 331 | ndlp->nlp_class_sup |= FC_COS_CLASS3; |
| 332 | if (sp->cls4.classValid) |
| 333 | ndlp->nlp_class_sup |= FC_COS_CLASS4; |
| 334 | ndlp->nlp_maxframe = |
| 335 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; |
| 336 | |
| 337 | /* no need to reg_login if we are already in one of these states */ |
| 338 | switch(ndlp->nlp_state) { |
| 339 | case NLP_STE_NPR_NODE: |
| 340 | if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) |
| 341 | break; |
| 342 | case NLP_STE_REG_LOGIN_ISSUE: |
| 343 | case NLP_STE_PRLI_ISSUE: |
| 344 | case NLP_STE_UNMAPPED_NODE: |
| 345 | case NLP_STE_MAPPED_NODE: |
| 346 | lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, 0); |
| 347 | return (1); |
| 348 | } |
| 349 | |
| 350 | if ((phba->fc_flag & FC_PT2PT) |
| 351 | && !(phba->fc_flag & FC_PT2PT_PLOGI)) { |
| 352 | /* rcv'ed PLOGI decides what our NPortId will be */ |
| 353 | phba->fc_myDID = icmd->un.rcvels.parmRo; |
| 354 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 355 | if (mbox == NULL) |
| 356 | goto out; |
| 357 | lpfc_config_link(phba, mbox); |
| 358 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 359 | rc = lpfc_sli_issue_mbox |
| 360 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); |
| 361 | if (rc == MBX_NOT_FINISHED) { |
| 362 | mempool_free( mbox, phba->mbox_mem_pool); |
| 363 | goto out; |
| 364 | } |
| 365 | |
| 366 | lpfc_can_disctmo(phba); |
| 367 | } |
| 368 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 369 | if (mbox == NULL) |
| 370 | goto out; |
| 371 | |
| 372 | if (lpfc_reg_login(phba, icmd->un.rcvels.remoteID, |
| 373 | (uint8_t *) sp, mbox, 0)) { |
| 374 | mempool_free( mbox, phba->mbox_mem_pool); |
| 375 | goto out; |
| 376 | } |
| 377 | |
| 378 | /* ACC PLOGI rsp command needs to execute first, |
| 379 | * queue this mbox command to be processed later. |
| 380 | */ |
| 381 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
| 382 | mbox->context2 = ndlp; |
| 383 | ndlp->nlp_flag |= NLP_ACC_REGLOGIN; |
| 384 | |
| 385 | /* If there is an outstanding PLOGI issued, abort it before |
| 386 | * sending ACC rsp to PLOGI recieved. |
| 387 | */ |
| 388 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { |
| 389 | /* software abort outstanding PLOGI */ |
| 390 | lpfc_els_abort(phba, ndlp, 1); |
| 391 | } |
| 392 | ndlp->nlp_flag |= NLP_RCV_PLOGI; |
| 393 | lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox, 0); |
| 394 | return (1); |
| 395 | |
| 396 | out: |
| 397 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 398 | stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; |
| 399 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); |
| 400 | return (0); |
| 401 | } |
| 402 | |
| 403 | static int |
| 404 | lpfc_rcv_padisc(struct lpfc_hba * phba, |
| 405 | struct lpfc_nodelist * ndlp, |
| 406 | struct lpfc_iocbq *cmdiocb) |
| 407 | { |
| 408 | struct lpfc_dmabuf *pcmd; |
| 409 | struct serv_parm *sp; |
| 410 | struct lpfc_name *pnn, *ppn; |
| 411 | struct ls_rjt stat; |
| 412 | ADISC *ap; |
| 413 | IOCB_t *icmd; |
| 414 | uint32_t *lp; |
| 415 | uint32_t cmd; |
| 416 | |
| 417 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 418 | lp = (uint32_t *) pcmd->virt; |
| 419 | |
| 420 | cmd = *lp++; |
| 421 | if (cmd == ELS_CMD_ADISC) { |
| 422 | ap = (ADISC *) lp; |
| 423 | pnn = (struct lpfc_name *) & ap->nodeName; |
| 424 | ppn = (struct lpfc_name *) & ap->portName; |
| 425 | } else { |
| 426 | sp = (struct serv_parm *) lp; |
| 427 | pnn = (struct lpfc_name *) & sp->nodeName; |
| 428 | ppn = (struct lpfc_name *) & sp->portName; |
| 429 | } |
| 430 | |
| 431 | icmd = &cmdiocb->iocb; |
| 432 | if ((icmd->ulpStatus == 0) && |
| 433 | (lpfc_check_adisc(phba, ndlp, pnn, ppn))) { |
| 434 | if (cmd == ELS_CMD_ADISC) { |
| 435 | lpfc_els_rsp_adisc_acc(phba, cmdiocb, ndlp); |
| 436 | } |
| 437 | else { |
| 438 | lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, |
| 439 | NULL, 0); |
| 440 | } |
| 441 | return (1); |
| 442 | } |
| 443 | /* Reject this request because invalid parameters */ |
| 444 | stat.un.b.lsRjtRsvd0 = 0; |
| 445 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 446 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; |
| 447 | stat.un.b.vendorUnique = 0; |
| 448 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); |
| 449 | |
| 450 | ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; |
| 451 | /* 1 sec timeout */ |
| 452 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); |
| 453 | |
| 454 | spin_lock_irq(phba->host->host_lock); |
| 455 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
| 456 | spin_unlock_irq(phba->host->host_lock); |
| 457 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 458 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 459 | return (0); |
| 460 | } |
| 461 | |
| 462 | static int |
| 463 | lpfc_rcv_logo(struct lpfc_hba * phba, |
| 464 | struct lpfc_nodelist * ndlp, |
| 465 | struct lpfc_iocbq *cmdiocb) |
| 466 | { |
| 467 | /* Put ndlp on NPR list with 1 sec timeout for plogi, ACC logo */ |
| 468 | /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary |
| 469 | * PLOGIs during LOGO storms from a device. |
| 470 | */ |
| 471 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
| 472 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
| 473 | |
| 474 | if (!(ndlp->nlp_type & NLP_FABRIC)) { |
| 475 | /* Only try to re-login if this is NOT a Fabric Node */ |
| 476 | ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; |
| 477 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
| 478 | spin_lock_irq(phba->host->host_lock); |
| 479 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
| 480 | spin_unlock_irq(phba->host->host_lock); |
| 481 | } |
| 482 | |
| 483 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 484 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 485 | |
| 486 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
| 487 | /* The driver has to wait until the ACC completes before it continues |
| 488 | * processing the LOGO. The action will resume in |
| 489 | * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an |
| 490 | * unreg_login, the driver waits so the ACC does not get aborted. |
| 491 | */ |
| 492 | return (0); |
| 493 | } |
| 494 | |
| 495 | static void |
| 496 | lpfc_rcv_prli(struct lpfc_hba * phba, |
| 497 | struct lpfc_nodelist * ndlp, |
| 498 | struct lpfc_iocbq *cmdiocb) |
| 499 | { |
| 500 | struct lpfc_dmabuf *pcmd; |
| 501 | uint32_t *lp; |
| 502 | PRLI *npr; |
| 503 | struct fc_rport *rport = ndlp->rport; |
| 504 | u32 roles; |
| 505 | |
| 506 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 507 | lp = (uint32_t *) pcmd->virt; |
| 508 | npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); |
| 509 | |
| 510 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); |
| 511 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; |
| 512 | if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && |
| 513 | (npr->prliType == PRLI_FCP_TYPE)) { |
| 514 | if (npr->initiatorFunc) |
| 515 | ndlp->nlp_type |= NLP_FCP_INITIATOR; |
| 516 | if (npr->targetFunc) |
| 517 | ndlp->nlp_type |= NLP_FCP_TARGET; |
| 518 | if (npr->Retry) |
| 519 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; |
| 520 | } |
| 521 | if (rport) { |
| 522 | /* We need to update the rport role values */ |
| 523 | roles = FC_RPORT_ROLE_UNKNOWN; |
| 524 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) |
| 525 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; |
| 526 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
| 527 | roles |= FC_RPORT_ROLE_FCP_TARGET; |
| 528 | fc_remote_port_rolechg(rport, roles); |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | static uint32_t |
| 533 | lpfc_disc_set_adisc(struct lpfc_hba * phba, |
| 534 | struct lpfc_nodelist * ndlp) |
| 535 | { |
| 536 | /* Check config parameter use-adisc or FCP-2 */ |
| 537 | if ((phba->cfg_use_adisc == 0) && |
| 538 | !(phba->fc_flag & FC_RSCN_MODE)) { |
| 539 | if (!(ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE)) |
| 540 | return (0); |
| 541 | } |
| 542 | spin_lock_irq(phba->host->host_lock); |
| 543 | ndlp->nlp_flag |= NLP_NPR_ADISC; |
| 544 | spin_unlock_irq(phba->host->host_lock); |
| 545 | return (1); |
| 546 | } |
| 547 | |
| 548 | static uint32_t |
| 549 | lpfc_disc_noop(struct lpfc_hba * phba, |
| 550 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 551 | { |
| 552 | /* This routine does nothing, just return the current state */ |
| 553 | return (ndlp->nlp_state); |
| 554 | } |
| 555 | |
| 556 | static uint32_t |
| 557 | lpfc_disc_illegal(struct lpfc_hba * phba, |
| 558 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 559 | { |
| 560 | lpfc_printf_log(phba, |
| 561 | KERN_ERR, |
| 562 | LOG_DISCOVERY, |
| 563 | "%d:0253 Illegal State Transition: node x%x event x%x, " |
| 564 | "state x%x Data: x%x x%x\n", |
| 565 | phba->brd_no, |
| 566 | ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, |
| 567 | ndlp->nlp_flag); |
| 568 | return (ndlp->nlp_state); |
| 569 | } |
| 570 | |
| 571 | /* Start of Discovery State Machine routines */ |
| 572 | |
| 573 | static uint32_t |
| 574 | lpfc_rcv_plogi_unused_node(struct lpfc_hba * phba, |
| 575 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 576 | { |
| 577 | struct lpfc_iocbq *cmdiocb; |
| 578 | |
| 579 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 580 | |
| 581 | if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { |
| 582 | ndlp->nlp_state = NLP_STE_UNUSED_NODE; |
| 583 | lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); |
| 584 | return (ndlp->nlp_state); |
| 585 | } |
| 586 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 587 | return (NLP_STE_FREED_NODE); |
| 588 | } |
| 589 | |
| 590 | static uint32_t |
| 591 | lpfc_rcv_els_unused_node(struct lpfc_hba * phba, |
| 592 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 593 | { |
| 594 | lpfc_issue_els_logo(phba, ndlp, 0); |
| 595 | lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); |
| 596 | return (ndlp->nlp_state); |
| 597 | } |
| 598 | |
| 599 | static uint32_t |
| 600 | lpfc_rcv_logo_unused_node(struct lpfc_hba * phba, |
| 601 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 602 | { |
| 603 | struct lpfc_iocbq *cmdiocb; |
| 604 | |
| 605 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 606 | |
| 607 | spin_lock_irq(phba->host->host_lock); |
| 608 | ndlp->nlp_flag |= NLP_LOGO_ACC; |
| 609 | spin_unlock_irq(phba->host->host_lock); |
| 610 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
| 611 | lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); |
| 612 | |
| 613 | return (ndlp->nlp_state); |
| 614 | } |
| 615 | |
| 616 | static uint32_t |
| 617 | lpfc_cmpl_logo_unused_node(struct lpfc_hba * phba, |
| 618 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 619 | { |
| 620 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 621 | return (NLP_STE_FREED_NODE); |
| 622 | } |
| 623 | |
| 624 | static uint32_t |
| 625 | lpfc_device_rm_unused_node(struct lpfc_hba * phba, |
| 626 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 627 | { |
| 628 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 629 | return (NLP_STE_FREED_NODE); |
| 630 | } |
| 631 | |
| 632 | static uint32_t |
| 633 | lpfc_rcv_plogi_plogi_issue(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, |
| 634 | void *arg, uint32_t evt) |
| 635 | { |
| 636 | struct lpfc_iocbq *cmdiocb = arg; |
| 637 | struct lpfc_dmabuf *pcmd; |
| 638 | struct serv_parm *sp; |
| 639 | uint32_t *lp; |
| 640 | struct ls_rjt stat; |
| 641 | int port_cmp; |
| 642 | |
| 643 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 644 | lp = (uint32_t *) pcmd->virt; |
| 645 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
| 646 | |
| 647 | memset(&stat, 0, sizeof (struct ls_rjt)); |
| 648 | |
| 649 | /* For a PLOGI, we only accept if our portname is less |
| 650 | * than the remote portname. |
| 651 | */ |
| 652 | phba->fc_stat.elsLogiCol++; |
| 653 | port_cmp = memcmp(&phba->fc_portname, &sp->portName, |
| 654 | sizeof (struct lpfc_name)); |
| 655 | |
| 656 | if (port_cmp >= 0) { |
| 657 | /* Reject this request because the remote node will accept |
| 658 | ours */ |
| 659 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 660 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; |
| 661 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); |
| 662 | } |
| 663 | else { |
| 664 | lpfc_rcv_plogi(phba, ndlp, cmdiocb); |
| 665 | } /* if our portname was less */ |
| 666 | |
| 667 | return (ndlp->nlp_state); |
| 668 | } |
| 669 | |
| 670 | static uint32_t |
| 671 | lpfc_rcv_els_plogi_issue(struct lpfc_hba * phba, |
| 672 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 673 | { |
| 674 | struct lpfc_iocbq *cmdiocb; |
| 675 | |
| 676 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 677 | |
| 678 | /* software abort outstanding PLOGI */ |
| 679 | lpfc_els_abort(phba, ndlp, 1); |
| 680 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
| 681 | spin_lock_irq(phba->host->host_lock); |
| 682 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
| 683 | spin_unlock_irq(phba->host->host_lock); |
| 684 | |
| 685 | if (evt == NLP_EVT_RCV_LOGO) { |
| 686 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
| 687 | } |
| 688 | else { |
| 689 | lpfc_issue_els_logo(phba, ndlp, 0); |
| 690 | } |
| 691 | |
| 692 | /* Put ndlp in npr list set plogi timer for 1 sec */ |
| 693 | ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; |
| 694 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 695 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 696 | |
| 697 | return (ndlp->nlp_state); |
| 698 | } |
| 699 | |
| 700 | static uint32_t |
| 701 | lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, |
| 702 | struct lpfc_nodelist * ndlp, void *arg, |
| 703 | uint32_t evt) |
| 704 | { |
| 705 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
| 706 | struct lpfc_dmabuf *pcmd, *prsp; |
| 707 | uint32_t *lp; |
| 708 | IOCB_t *irsp; |
| 709 | struct serv_parm *sp; |
| 710 | LPFC_MBOXQ_t *mbox; |
| 711 | |
| 712 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 713 | rspiocb = cmdiocb->context_un.rsp_iocb; |
| 714 | |
| 715 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { |
| 716 | return (ndlp->nlp_state); |
| 717 | } |
| 718 | |
| 719 | irsp = &rspiocb->iocb; |
| 720 | |
| 721 | if (irsp->ulpStatus) |
| 722 | goto out; |
| 723 | |
| 724 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 725 | |
| 726 | prsp = list_get_first(&pcmd->list, |
| 727 | struct lpfc_dmabuf, |
| 728 | list); |
| 729 | lp = (uint32_t *) prsp->virt; |
| 730 | |
| 731 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); |
| 732 | if (!lpfc_check_sparm(phba, ndlp, sp, CLASS3)) |
| 733 | goto out; |
| 734 | |
| 735 | /* PLOGI chkparm OK */ |
| 736 | lpfc_printf_log(phba, |
| 737 | KERN_INFO, |
| 738 | LOG_ELS, |
| 739 | "%d:0121 PLOGI chkparm OK " |
| 740 | "Data: x%x x%x x%x x%x\n", |
| 741 | phba->brd_no, |
| 742 | ndlp->nlp_DID, ndlp->nlp_state, |
| 743 | ndlp->nlp_flag, ndlp->nlp_rpi); |
| 744 | |
| 745 | if ((phba->cfg_fcp_class == 2) && |
| 746 | (sp->cls2.classValid)) { |
| 747 | ndlp->nlp_fcp_info |= CLASS2; |
| 748 | } else { |
| 749 | ndlp->nlp_fcp_info |= CLASS3; |
| 750 | } |
| 751 | ndlp->nlp_class_sup = 0; |
| 752 | if (sp->cls1.classValid) |
| 753 | ndlp->nlp_class_sup |= FC_COS_CLASS1; |
| 754 | if (sp->cls2.classValid) |
| 755 | ndlp->nlp_class_sup |= FC_COS_CLASS2; |
| 756 | if (sp->cls3.classValid) |
| 757 | ndlp->nlp_class_sup |= FC_COS_CLASS3; |
| 758 | if (sp->cls4.classValid) |
| 759 | ndlp->nlp_class_sup |= FC_COS_CLASS4; |
| 760 | ndlp->nlp_maxframe = |
| 761 | ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | |
| 762 | sp->cmn.bbRcvSizeLsb; |
| 763 | |
| 764 | if (!(mbox = mempool_alloc(phba->mbox_mem_pool, |
| 765 | GFP_KERNEL))) |
| 766 | goto out; |
| 767 | |
| 768 | lpfc_unreg_rpi(phba, ndlp); |
| 769 | if (lpfc_reg_login |
| 770 | (phba, irsp->un.elsreq64.remoteID, |
| 771 | (uint8_t *) sp, mbox, 0) == 0) { |
| 772 | /* set_slim mailbox command needs to |
| 773 | * execute first, queue this command to |
| 774 | * be processed later. |
| 775 | */ |
| 776 | switch(ndlp->nlp_DID) { |
| 777 | case NameServer_DID: |
| 778 | mbox->mbox_cmpl = |
| 779 | lpfc_mbx_cmpl_ns_reg_login; |
| 780 | break; |
| 781 | case FDMI_DID: |
| 782 | mbox->mbox_cmpl = |
| 783 | lpfc_mbx_cmpl_fdmi_reg_login; |
| 784 | break; |
| 785 | default: |
| 786 | mbox->mbox_cmpl = |
| 787 | lpfc_mbx_cmpl_reg_login; |
| 788 | } |
| 789 | mbox->context2 = ndlp; |
| 790 | if (lpfc_sli_issue_mbox(phba, mbox, |
| 791 | (MBX_NOWAIT | MBX_STOP_IOCB)) |
| 792 | != MBX_NOT_FINISHED) { |
| 793 | ndlp->nlp_state = |
| 794 | NLP_STE_REG_LOGIN_ISSUE; |
| 795 | lpfc_nlp_list(phba, ndlp, |
| 796 | NLP_REGLOGIN_LIST); |
| 797 | return (ndlp->nlp_state); |
| 798 | } |
| 799 | mempool_free(mbox, phba->mbox_mem_pool); |
| 800 | } else { |
| 801 | mempool_free(mbox, phba->mbox_mem_pool); |
| 802 | } |
| 803 | |
| 804 | |
| 805 | out: |
| 806 | /* Free this node since the driver cannot login or has the wrong |
| 807 | sparm */ |
| 808 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 809 | return (NLP_STE_FREED_NODE); |
| 810 | } |
| 811 | |
| 812 | static uint32_t |
| 813 | lpfc_device_rm_plogi_issue(struct lpfc_hba * phba, |
| 814 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 815 | { |
| 816 | /* software abort outstanding PLOGI */ |
| 817 | lpfc_els_abort(phba, ndlp, 1); |
| 818 | |
| 819 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 820 | return (NLP_STE_FREED_NODE); |
| 821 | } |
| 822 | |
| 823 | static uint32_t |
| 824 | lpfc_device_recov_plogi_issue(struct lpfc_hba * phba, |
| 825 | struct lpfc_nodelist * ndlp, void *arg, |
| 826 | uint32_t evt) |
| 827 | { |
| 828 | /* software abort outstanding PLOGI */ |
| 829 | lpfc_els_abort(phba, ndlp, 1); |
| 830 | |
| 831 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 832 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 833 | spin_lock_irq(phba->host->host_lock); |
| 834 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
| 835 | spin_unlock_irq(phba->host->host_lock); |
| 836 | |
| 837 | return (ndlp->nlp_state); |
| 838 | } |
| 839 | |
| 840 | static uint32_t |
| 841 | lpfc_rcv_plogi_adisc_issue(struct lpfc_hba * phba, |
| 842 | struct lpfc_nodelist * ndlp, void *arg, |
| 843 | uint32_t evt) |
| 844 | { |
| 845 | struct lpfc_iocbq *cmdiocb; |
| 846 | |
| 847 | /* software abort outstanding ADISC */ |
| 848 | lpfc_els_abort(phba, ndlp, 1); |
| 849 | |
| 850 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 851 | |
| 852 | if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { |
| 853 | return (ndlp->nlp_state); |
| 854 | } |
| 855 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
| 856 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); |
| 857 | lpfc_issue_els_plogi(phba, ndlp, 0); |
| 858 | |
| 859 | return (ndlp->nlp_state); |
| 860 | } |
| 861 | |
| 862 | static uint32_t |
| 863 | lpfc_rcv_prli_adisc_issue(struct lpfc_hba * phba, |
| 864 | struct lpfc_nodelist * ndlp, void *arg, |
| 865 | uint32_t evt) |
| 866 | { |
| 867 | struct lpfc_iocbq *cmdiocb; |
| 868 | |
| 869 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 870 | |
| 871 | lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); |
| 872 | return (ndlp->nlp_state); |
| 873 | } |
| 874 | |
| 875 | static uint32_t |
| 876 | lpfc_rcv_logo_adisc_issue(struct lpfc_hba * phba, |
| 877 | struct lpfc_nodelist * ndlp, void *arg, |
| 878 | uint32_t evt) |
| 879 | { |
| 880 | struct lpfc_iocbq *cmdiocb; |
| 881 | |
| 882 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 883 | |
| 884 | /* software abort outstanding ADISC */ |
| 885 | lpfc_els_abort(phba, ndlp, 0); |
| 886 | |
| 887 | lpfc_rcv_logo(phba, ndlp, cmdiocb); |
| 888 | return (ndlp->nlp_state); |
| 889 | } |
| 890 | |
| 891 | static uint32_t |
| 892 | lpfc_rcv_padisc_adisc_issue(struct lpfc_hba * phba, |
| 893 | struct lpfc_nodelist * ndlp, void *arg, |
| 894 | uint32_t evt) |
| 895 | { |
| 896 | struct lpfc_iocbq *cmdiocb; |
| 897 | |
| 898 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 899 | |
| 900 | lpfc_rcv_padisc(phba, ndlp, cmdiocb); |
| 901 | return (ndlp->nlp_state); |
| 902 | } |
| 903 | |
| 904 | static uint32_t |
| 905 | lpfc_rcv_prlo_adisc_issue(struct lpfc_hba * phba, |
| 906 | struct lpfc_nodelist * ndlp, void *arg, |
| 907 | uint32_t evt) |
| 908 | { |
| 909 | struct lpfc_iocbq *cmdiocb; |
| 910 | |
| 911 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 912 | |
| 913 | /* Treat like rcv logo */ |
| 914 | lpfc_rcv_logo(phba, ndlp, cmdiocb); |
| 915 | return (ndlp->nlp_state); |
| 916 | } |
| 917 | |
| 918 | static uint32_t |
| 919 | lpfc_cmpl_adisc_adisc_issue(struct lpfc_hba * phba, |
| 920 | struct lpfc_nodelist * ndlp, void *arg, |
| 921 | uint32_t evt) |
| 922 | { |
| 923 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
| 924 | IOCB_t *irsp; |
| 925 | ADISC *ap; |
| 926 | |
| 927 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 928 | rspiocb = cmdiocb->context_un.rsp_iocb; |
| 929 | |
| 930 | ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); |
| 931 | irsp = &rspiocb->iocb; |
| 932 | |
| 933 | if ((irsp->ulpStatus) || |
| 934 | (!lpfc_check_adisc(phba, ndlp, &ap->nodeName, &ap->portName))) { |
| 935 | ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; |
| 936 | /* 1 sec timeout */ |
| 937 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); |
| 938 | spin_lock_irq(phba->host->host_lock); |
| 939 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
| 940 | spin_unlock_irq(phba->host->host_lock); |
| 941 | |
| 942 | memset(&ndlp->nlp_nodename, 0, sizeof (struct lpfc_name)); |
| 943 | memset(&ndlp->nlp_portname, 0, sizeof (struct lpfc_name)); |
| 944 | |
| 945 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 946 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 947 | lpfc_unreg_rpi(phba, ndlp); |
| 948 | return (ndlp->nlp_state); |
| 949 | } |
James.Smart@Emulex.Com | 2501322 | 2005-06-25 10:34:33 -0400 | [diff] [blame] | 950 | if (ndlp->nlp_type & NLP_FCP_TARGET) { |
| 951 | ndlp->nlp_state = NLP_STE_MAPPED_NODE; |
| 952 | lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); |
| 953 | } else { |
| 954 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
| 955 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); |
| 956 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 957 | return (ndlp->nlp_state); |
| 958 | } |
| 959 | |
| 960 | static uint32_t |
| 961 | lpfc_device_rm_adisc_issue(struct lpfc_hba * phba, |
| 962 | struct lpfc_nodelist * ndlp, void *arg, |
| 963 | uint32_t evt) |
| 964 | { |
| 965 | /* software abort outstanding ADISC */ |
| 966 | lpfc_els_abort(phba, ndlp, 1); |
| 967 | |
| 968 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 969 | return (NLP_STE_FREED_NODE); |
| 970 | } |
| 971 | |
| 972 | static uint32_t |
| 973 | lpfc_device_recov_adisc_issue(struct lpfc_hba * phba, |
| 974 | struct lpfc_nodelist * ndlp, void *arg, |
| 975 | uint32_t evt) |
| 976 | { |
| 977 | /* software abort outstanding ADISC */ |
| 978 | lpfc_els_abort(phba, ndlp, 1); |
| 979 | |
| 980 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 981 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 982 | spin_lock_irq(phba->host->host_lock); |
| 983 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
| 984 | spin_unlock_irq(phba->host->host_lock); |
| 985 | |
| 986 | lpfc_disc_set_adisc(phba, ndlp); |
| 987 | return (ndlp->nlp_state); |
| 988 | } |
| 989 | |
| 990 | static uint32_t |
| 991 | lpfc_rcv_plogi_reglogin_issue(struct lpfc_hba * phba, |
| 992 | struct lpfc_nodelist * ndlp, void *arg, |
| 993 | uint32_t evt) |
| 994 | { |
| 995 | struct lpfc_iocbq *cmdiocb; |
| 996 | |
| 997 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 998 | |
| 999 | lpfc_rcv_plogi(phba, ndlp, cmdiocb); |
| 1000 | return (ndlp->nlp_state); |
| 1001 | } |
| 1002 | |
| 1003 | static uint32_t |
| 1004 | lpfc_rcv_prli_reglogin_issue(struct lpfc_hba * phba, |
| 1005 | struct lpfc_nodelist * ndlp, void *arg, |
| 1006 | uint32_t evt) |
| 1007 | { |
| 1008 | struct lpfc_iocbq *cmdiocb; |
| 1009 | |
| 1010 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1011 | |
| 1012 | lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); |
| 1013 | return (ndlp->nlp_state); |
| 1014 | } |
| 1015 | |
| 1016 | static uint32_t |
| 1017 | lpfc_rcv_logo_reglogin_issue(struct lpfc_hba * phba, |
| 1018 | struct lpfc_nodelist * ndlp, void *arg, |
| 1019 | uint32_t evt) |
| 1020 | { |
| 1021 | struct lpfc_iocbq *cmdiocb; |
| 1022 | |
| 1023 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1024 | |
| 1025 | lpfc_rcv_logo(phba, ndlp, cmdiocb); |
| 1026 | return (ndlp->nlp_state); |
| 1027 | } |
| 1028 | |
| 1029 | static uint32_t |
| 1030 | lpfc_rcv_padisc_reglogin_issue(struct lpfc_hba * phba, |
| 1031 | struct lpfc_nodelist * ndlp, void *arg, |
| 1032 | uint32_t evt) |
| 1033 | { |
| 1034 | struct lpfc_iocbq *cmdiocb; |
| 1035 | |
| 1036 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1037 | |
| 1038 | lpfc_rcv_padisc(phba, ndlp, cmdiocb); |
| 1039 | return (ndlp->nlp_state); |
| 1040 | } |
| 1041 | |
| 1042 | static uint32_t |
| 1043 | lpfc_rcv_prlo_reglogin_issue(struct lpfc_hba * phba, |
| 1044 | struct lpfc_nodelist * ndlp, void *arg, |
| 1045 | uint32_t evt) |
| 1046 | { |
| 1047 | struct lpfc_iocbq *cmdiocb; |
| 1048 | |
| 1049 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1050 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
| 1051 | return (ndlp->nlp_state); |
| 1052 | } |
| 1053 | |
| 1054 | static uint32_t |
| 1055 | lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_hba * phba, |
| 1056 | struct lpfc_nodelist * ndlp, |
| 1057 | void *arg, uint32_t evt) |
| 1058 | { |
| 1059 | LPFC_MBOXQ_t *pmb; |
| 1060 | MAILBOX_t *mb; |
| 1061 | uint32_t did; |
| 1062 | |
| 1063 | pmb = (LPFC_MBOXQ_t *) arg; |
| 1064 | mb = &pmb->mb; |
| 1065 | did = mb->un.varWords[1]; |
| 1066 | if (mb->mbxStatus) { |
| 1067 | /* RegLogin failed */ |
| 1068 | lpfc_printf_log(phba, |
| 1069 | KERN_ERR, |
| 1070 | LOG_DISCOVERY, |
| 1071 | "%d:0246 RegLogin failed Data: x%x x%x x%x\n", |
| 1072 | phba->brd_no, |
| 1073 | did, mb->mbxStatus, phba->hba_state); |
| 1074 | |
| 1075 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); |
| 1076 | spin_lock_irq(phba->host->host_lock); |
| 1077 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
| 1078 | spin_unlock_irq(phba->host->host_lock); |
| 1079 | |
| 1080 | lpfc_issue_els_logo(phba, ndlp, 0); |
| 1081 | /* Put ndlp in npr list set plogi timer for 1 sec */ |
| 1082 | ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; |
| 1083 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 1084 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 1085 | return (ndlp->nlp_state); |
| 1086 | } |
| 1087 | |
| 1088 | if (ndlp->nlp_rpi != 0) |
| 1089 | lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); |
| 1090 | |
| 1091 | ndlp->nlp_rpi = mb->un.varWords[0]; |
| 1092 | lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi); |
| 1093 | |
| 1094 | /* Only if we are not a fabric nport do we issue PRLI */ |
| 1095 | if (!(ndlp->nlp_type & NLP_FABRIC)) { |
| 1096 | ndlp->nlp_state = NLP_STE_PRLI_ISSUE; |
| 1097 | lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); |
| 1098 | lpfc_issue_els_prli(phba, ndlp, 0); |
| 1099 | } else { |
| 1100 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
| 1101 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); |
| 1102 | } |
| 1103 | return (ndlp->nlp_state); |
| 1104 | } |
| 1105 | |
| 1106 | static uint32_t |
| 1107 | lpfc_device_rm_reglogin_issue(struct lpfc_hba * phba, |
| 1108 | struct lpfc_nodelist * ndlp, void *arg, |
| 1109 | uint32_t evt) |
| 1110 | { |
| 1111 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 1112 | return (NLP_STE_FREED_NODE); |
| 1113 | } |
| 1114 | |
| 1115 | static uint32_t |
| 1116 | lpfc_device_recov_reglogin_issue(struct lpfc_hba * phba, |
| 1117 | struct lpfc_nodelist * ndlp, void *arg, |
| 1118 | uint32_t evt) |
| 1119 | { |
| 1120 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 1121 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 1122 | spin_lock_irq(phba->host->host_lock); |
| 1123 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
| 1124 | spin_unlock_irq(phba->host->host_lock); |
| 1125 | return (ndlp->nlp_state); |
| 1126 | } |
| 1127 | |
| 1128 | static uint32_t |
| 1129 | lpfc_rcv_plogi_prli_issue(struct lpfc_hba * phba, |
| 1130 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1131 | { |
| 1132 | struct lpfc_iocbq *cmdiocb; |
| 1133 | |
| 1134 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1135 | |
| 1136 | lpfc_rcv_plogi(phba, ndlp, cmdiocb); |
| 1137 | return (ndlp->nlp_state); |
| 1138 | } |
| 1139 | |
| 1140 | static uint32_t |
| 1141 | lpfc_rcv_prli_prli_issue(struct lpfc_hba * phba, |
| 1142 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1143 | { |
| 1144 | struct lpfc_iocbq *cmdiocb; |
| 1145 | |
| 1146 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1147 | |
| 1148 | lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); |
| 1149 | return (ndlp->nlp_state); |
| 1150 | } |
| 1151 | |
| 1152 | static uint32_t |
| 1153 | lpfc_rcv_logo_prli_issue(struct lpfc_hba * phba, |
| 1154 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1155 | { |
| 1156 | struct lpfc_iocbq *cmdiocb; |
| 1157 | |
| 1158 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1159 | |
| 1160 | /* Software abort outstanding PRLI before sending acc */ |
| 1161 | lpfc_els_abort(phba, ndlp, 1); |
| 1162 | |
| 1163 | lpfc_rcv_logo(phba, ndlp, cmdiocb); |
| 1164 | return (ndlp->nlp_state); |
| 1165 | } |
| 1166 | |
| 1167 | static uint32_t |
| 1168 | lpfc_rcv_padisc_prli_issue(struct lpfc_hba * phba, |
| 1169 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1170 | { |
| 1171 | struct lpfc_iocbq *cmdiocb; |
| 1172 | |
| 1173 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1174 | |
| 1175 | lpfc_rcv_padisc(phba, ndlp, cmdiocb); |
| 1176 | return (ndlp->nlp_state); |
| 1177 | } |
| 1178 | |
| 1179 | /* This routine is envoked when we rcv a PRLO request from a nport |
| 1180 | * we are logged into. We should send back a PRLO rsp setting the |
| 1181 | * appropriate bits. |
| 1182 | * NEXT STATE = PRLI_ISSUE |
| 1183 | */ |
| 1184 | static uint32_t |
| 1185 | lpfc_rcv_prlo_prli_issue(struct lpfc_hba * phba, |
| 1186 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1187 | { |
| 1188 | struct lpfc_iocbq *cmdiocb; |
| 1189 | |
| 1190 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1191 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
| 1192 | return (ndlp->nlp_state); |
| 1193 | } |
| 1194 | |
| 1195 | static uint32_t |
| 1196 | lpfc_cmpl_prli_prli_issue(struct lpfc_hba * phba, |
| 1197 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1198 | { |
| 1199 | struct lpfc_iocbq *cmdiocb, *rspiocb; |
| 1200 | IOCB_t *irsp; |
| 1201 | PRLI *npr; |
| 1202 | |
| 1203 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1204 | rspiocb = cmdiocb->context_un.rsp_iocb; |
| 1205 | npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); |
| 1206 | |
| 1207 | irsp = &rspiocb->iocb; |
| 1208 | if (irsp->ulpStatus) { |
| 1209 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
| 1210 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); |
| 1211 | return (ndlp->nlp_state); |
| 1212 | } |
| 1213 | |
| 1214 | /* Check out PRLI rsp */ |
| 1215 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); |
| 1216 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; |
| 1217 | if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && |
| 1218 | (npr->prliType == PRLI_FCP_TYPE)) { |
| 1219 | if (npr->initiatorFunc) |
| 1220 | ndlp->nlp_type |= NLP_FCP_INITIATOR; |
| 1221 | if (npr->targetFunc) |
| 1222 | ndlp->nlp_type |= NLP_FCP_TARGET; |
| 1223 | if (npr->Retry) |
| 1224 | ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; |
| 1225 | } |
| 1226 | |
| 1227 | ndlp->nlp_state = NLP_STE_MAPPED_NODE; |
| 1228 | lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); |
| 1229 | return (ndlp->nlp_state); |
| 1230 | } |
| 1231 | |
| 1232 | /*! lpfc_device_rm_prli_issue |
| 1233 | * |
| 1234 | * \pre |
| 1235 | * \post |
| 1236 | * \param phba |
| 1237 | * \param ndlp |
| 1238 | * \param arg |
| 1239 | * \param evt |
| 1240 | * \return uint32_t |
| 1241 | * |
| 1242 | * \b Description: |
| 1243 | * This routine is envoked when we a request to remove a nport we are in the |
| 1244 | * process of PRLIing. We should software abort outstanding prli, unreg |
| 1245 | * login, send a logout. We will change node state to UNUSED_NODE, put it |
| 1246 | * on plogi list so it can be freed when LOGO completes. |
| 1247 | * |
| 1248 | */ |
| 1249 | static uint32_t |
| 1250 | lpfc_device_rm_prli_issue(struct lpfc_hba * phba, |
| 1251 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1252 | { |
| 1253 | /* software abort outstanding PRLI */ |
| 1254 | lpfc_els_abort(phba, ndlp, 1); |
| 1255 | |
| 1256 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 1257 | return (NLP_STE_FREED_NODE); |
| 1258 | } |
| 1259 | |
| 1260 | |
| 1261 | /*! lpfc_device_recov_prli_issue |
| 1262 | * |
| 1263 | * \pre |
| 1264 | * \post |
| 1265 | * \param phba |
| 1266 | * \param ndlp |
| 1267 | * \param arg |
| 1268 | * \param evt |
| 1269 | * \return uint32_t |
| 1270 | * |
| 1271 | * \b Description: |
| 1272 | * The routine is envoked when the state of a device is unknown, like |
| 1273 | * during a link down. We should remove the nodelist entry from the |
| 1274 | * unmapped list, issue a UNREG_LOGIN, do a software abort of the |
| 1275 | * outstanding PRLI command, then free the node entry. |
| 1276 | */ |
| 1277 | static uint32_t |
| 1278 | lpfc_device_recov_prli_issue(struct lpfc_hba * phba, |
| 1279 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1280 | { |
| 1281 | /* software abort outstanding PRLI */ |
| 1282 | lpfc_els_abort(phba, ndlp, 1); |
| 1283 | |
| 1284 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 1285 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 1286 | spin_lock_irq(phba->host->host_lock); |
| 1287 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
| 1288 | spin_unlock_irq(phba->host->host_lock); |
| 1289 | return (ndlp->nlp_state); |
| 1290 | } |
| 1291 | |
| 1292 | static uint32_t |
| 1293 | lpfc_rcv_plogi_unmap_node(struct lpfc_hba * phba, |
| 1294 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1295 | { |
| 1296 | struct lpfc_iocbq *cmdiocb; |
| 1297 | |
| 1298 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1299 | |
| 1300 | lpfc_rcv_plogi(phba, ndlp, cmdiocb); |
| 1301 | return (ndlp->nlp_state); |
| 1302 | } |
| 1303 | |
| 1304 | static uint32_t |
| 1305 | lpfc_rcv_prli_unmap_node(struct lpfc_hba * phba, |
| 1306 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1307 | { |
| 1308 | struct lpfc_iocbq *cmdiocb; |
| 1309 | |
| 1310 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1311 | |
| 1312 | lpfc_rcv_prli(phba, ndlp, cmdiocb); |
| 1313 | lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); |
| 1314 | return (ndlp->nlp_state); |
| 1315 | } |
| 1316 | |
| 1317 | static uint32_t |
| 1318 | lpfc_rcv_logo_unmap_node(struct lpfc_hba * phba, |
| 1319 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1320 | { |
| 1321 | struct lpfc_iocbq *cmdiocb; |
| 1322 | |
| 1323 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1324 | |
| 1325 | lpfc_rcv_logo(phba, ndlp, cmdiocb); |
| 1326 | return (ndlp->nlp_state); |
| 1327 | } |
| 1328 | |
| 1329 | static uint32_t |
| 1330 | lpfc_rcv_padisc_unmap_node(struct lpfc_hba * phba, |
| 1331 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1332 | { |
| 1333 | struct lpfc_iocbq *cmdiocb; |
| 1334 | |
| 1335 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1336 | |
| 1337 | lpfc_rcv_padisc(phba, ndlp, cmdiocb); |
| 1338 | return (ndlp->nlp_state); |
| 1339 | } |
| 1340 | |
| 1341 | static uint32_t |
| 1342 | lpfc_rcv_prlo_unmap_node(struct lpfc_hba * phba, |
| 1343 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1344 | { |
| 1345 | struct lpfc_iocbq *cmdiocb; |
| 1346 | |
| 1347 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1348 | |
| 1349 | /* Treat like rcv logo */ |
| 1350 | lpfc_rcv_logo(phba, ndlp, cmdiocb); |
| 1351 | return (ndlp->nlp_state); |
| 1352 | } |
| 1353 | |
| 1354 | static uint32_t |
| 1355 | lpfc_device_recov_unmap_node(struct lpfc_hba * phba, |
| 1356 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1357 | { |
| 1358 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 1359 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 1360 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
| 1361 | lpfc_disc_set_adisc(phba, ndlp); |
| 1362 | |
| 1363 | return (ndlp->nlp_state); |
| 1364 | } |
| 1365 | |
| 1366 | static uint32_t |
| 1367 | lpfc_rcv_plogi_mapped_node(struct lpfc_hba * phba, |
| 1368 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1369 | { |
| 1370 | struct lpfc_iocbq *cmdiocb; |
| 1371 | |
| 1372 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1373 | |
| 1374 | lpfc_rcv_plogi(phba, ndlp, cmdiocb); |
| 1375 | return (ndlp->nlp_state); |
| 1376 | } |
| 1377 | |
| 1378 | static uint32_t |
| 1379 | lpfc_rcv_prli_mapped_node(struct lpfc_hba * phba, |
| 1380 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1381 | { |
| 1382 | struct lpfc_iocbq *cmdiocb; |
| 1383 | |
| 1384 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1385 | |
| 1386 | lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); |
| 1387 | return (ndlp->nlp_state); |
| 1388 | } |
| 1389 | |
| 1390 | static uint32_t |
| 1391 | lpfc_rcv_logo_mapped_node(struct lpfc_hba * phba, |
| 1392 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1393 | { |
| 1394 | struct lpfc_iocbq *cmdiocb; |
| 1395 | |
| 1396 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1397 | |
| 1398 | lpfc_rcv_logo(phba, ndlp, cmdiocb); |
| 1399 | return (ndlp->nlp_state); |
| 1400 | } |
| 1401 | |
| 1402 | static uint32_t |
| 1403 | lpfc_rcv_padisc_mapped_node(struct lpfc_hba * phba, |
| 1404 | struct lpfc_nodelist * ndlp, void *arg, |
| 1405 | uint32_t evt) |
| 1406 | { |
| 1407 | struct lpfc_iocbq *cmdiocb; |
| 1408 | |
| 1409 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1410 | |
| 1411 | lpfc_rcv_padisc(phba, ndlp, cmdiocb); |
| 1412 | return (ndlp->nlp_state); |
| 1413 | } |
| 1414 | |
| 1415 | static uint32_t |
| 1416 | lpfc_rcv_prlo_mapped_node(struct lpfc_hba * phba, |
| 1417 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1418 | { |
| 1419 | struct lpfc_iocbq *cmdiocb; |
| 1420 | |
| 1421 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1422 | |
| 1423 | /* flush the target */ |
| 1424 | spin_lock_irq(phba->host->host_lock); |
| 1425 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], |
| 1426 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); |
| 1427 | spin_unlock_irq(phba->host->host_lock); |
| 1428 | |
| 1429 | /* Treat like rcv logo */ |
| 1430 | lpfc_rcv_logo(phba, ndlp, cmdiocb); |
| 1431 | return (ndlp->nlp_state); |
| 1432 | } |
| 1433 | |
| 1434 | static uint32_t |
| 1435 | lpfc_device_recov_mapped_node(struct lpfc_hba * phba, |
| 1436 | struct lpfc_nodelist * ndlp, void *arg, |
| 1437 | uint32_t evt) |
| 1438 | { |
| 1439 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
| 1440 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| 1441 | spin_lock_irq(phba->host->host_lock); |
| 1442 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
| 1443 | spin_unlock_irq(phba->host->host_lock); |
| 1444 | lpfc_disc_set_adisc(phba, ndlp); |
| 1445 | return (ndlp->nlp_state); |
| 1446 | } |
| 1447 | |
| 1448 | static uint32_t |
| 1449 | lpfc_rcv_plogi_npr_node(struct lpfc_hba * phba, |
| 1450 | struct lpfc_nodelist * ndlp, void *arg, |
| 1451 | uint32_t evt) |
| 1452 | { |
| 1453 | struct lpfc_iocbq *cmdiocb; |
| 1454 | |
| 1455 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1456 | |
| 1457 | /* Ignore PLOGI if we have an outstanding LOGO */ |
| 1458 | if (ndlp->nlp_flag & NLP_LOGO_SND) { |
| 1459 | return (ndlp->nlp_state); |
| 1460 | } |
| 1461 | |
| 1462 | if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { |
| 1463 | spin_lock_irq(phba->host->host_lock); |
| 1464 | ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC); |
| 1465 | spin_unlock_irq(phba->host->host_lock); |
| 1466 | return (ndlp->nlp_state); |
| 1467 | } |
| 1468 | |
| 1469 | /* send PLOGI immediately, move to PLOGI issue state */ |
| 1470 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { |
| 1471 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
| 1472 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); |
| 1473 | lpfc_issue_els_plogi(phba, ndlp, 0); |
| 1474 | } |
| 1475 | return (ndlp->nlp_state); |
| 1476 | } |
| 1477 | |
| 1478 | static uint32_t |
| 1479 | lpfc_rcv_prli_npr_node(struct lpfc_hba * phba, |
| 1480 | struct lpfc_nodelist * ndlp, void *arg, |
| 1481 | uint32_t evt) |
| 1482 | { |
| 1483 | struct lpfc_iocbq *cmdiocb; |
| 1484 | struct ls_rjt stat; |
| 1485 | |
| 1486 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1487 | |
| 1488 | memset(&stat, 0, sizeof (struct ls_rjt)); |
| 1489 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 1490 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; |
| 1491 | lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); |
| 1492 | |
| 1493 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { |
| 1494 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
| 1495 | ndlp->nlp_state = NLP_STE_ADISC_ISSUE; |
| 1496 | lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); |
| 1497 | lpfc_issue_els_adisc(phba, ndlp, 0); |
| 1498 | } else { |
| 1499 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
| 1500 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); |
| 1501 | lpfc_issue_els_plogi(phba, ndlp, 0); |
| 1502 | } |
| 1503 | } |
| 1504 | return (ndlp->nlp_state); |
| 1505 | } |
| 1506 | |
| 1507 | static uint32_t |
| 1508 | lpfc_rcv_logo_npr_node(struct lpfc_hba * phba, |
| 1509 | struct lpfc_nodelist * ndlp, void *arg, |
| 1510 | uint32_t evt) |
| 1511 | { |
| 1512 | struct lpfc_iocbq *cmdiocb; |
| 1513 | |
| 1514 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1515 | |
| 1516 | lpfc_rcv_logo(phba, ndlp, cmdiocb); |
| 1517 | return (ndlp->nlp_state); |
| 1518 | } |
| 1519 | |
| 1520 | static uint32_t |
| 1521 | lpfc_rcv_padisc_npr_node(struct lpfc_hba * phba, |
| 1522 | struct lpfc_nodelist * ndlp, void *arg, |
| 1523 | uint32_t evt) |
| 1524 | { |
| 1525 | struct lpfc_iocbq *cmdiocb; |
| 1526 | |
| 1527 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1528 | |
| 1529 | lpfc_rcv_padisc(phba, ndlp, cmdiocb); |
| 1530 | |
| 1531 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { |
| 1532 | if (ndlp->nlp_flag & NLP_NPR_ADISC) { |
| 1533 | ndlp->nlp_state = NLP_STE_ADISC_ISSUE; |
| 1534 | lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); |
| 1535 | lpfc_issue_els_adisc(phba, ndlp, 0); |
| 1536 | } else { |
| 1537 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
| 1538 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); |
| 1539 | lpfc_issue_els_plogi(phba, ndlp, 0); |
| 1540 | } |
| 1541 | } |
| 1542 | return (ndlp->nlp_state); |
| 1543 | } |
| 1544 | |
| 1545 | static uint32_t |
| 1546 | lpfc_rcv_prlo_npr_node(struct lpfc_hba * phba, |
| 1547 | struct lpfc_nodelist * ndlp, void *arg, |
| 1548 | uint32_t evt) |
| 1549 | { |
| 1550 | struct lpfc_iocbq *cmdiocb; |
| 1551 | |
| 1552 | cmdiocb = (struct lpfc_iocbq *) arg; |
| 1553 | |
| 1554 | lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
| 1555 | |
| 1556 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { |
| 1557 | if (ndlp->nlp_last_elscmd == (unsigned long)ELS_CMD_PLOGI) { |
| 1558 | return (ndlp->nlp_state); |
| 1559 | } else { |
| 1560 | spin_lock_irq(phba->host->host_lock); |
| 1561 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
| 1562 | spin_unlock_irq(phba->host->host_lock); |
| 1563 | del_timer_sync(&ndlp->nlp_delayfunc); |
| 1564 | if (!list_empty(&ndlp->els_retry_evt.evt_listp)) |
| 1565 | list_del_init(&ndlp->els_retry_evt.evt_listp); |
| 1566 | } |
| 1567 | } |
| 1568 | |
| 1569 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
| 1570 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); |
| 1571 | lpfc_issue_els_plogi(phba, ndlp, 0); |
| 1572 | return (ndlp->nlp_state); |
| 1573 | } |
| 1574 | |
| 1575 | static uint32_t |
| 1576 | lpfc_cmpl_logo_npr_node(struct lpfc_hba * phba, |
| 1577 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1578 | { |
| 1579 | lpfc_unreg_rpi(phba, ndlp); |
| 1580 | /* This routine does nothing, just return the current state */ |
| 1581 | return (ndlp->nlp_state); |
| 1582 | } |
| 1583 | |
| 1584 | static uint32_t |
| 1585 | lpfc_cmpl_reglogin_npr_node(struct lpfc_hba * phba, |
| 1586 | struct lpfc_nodelist * ndlp, void *arg, |
| 1587 | uint32_t evt) |
| 1588 | { |
| 1589 | LPFC_MBOXQ_t *pmb; |
| 1590 | MAILBOX_t *mb; |
| 1591 | |
| 1592 | pmb = (LPFC_MBOXQ_t *) arg; |
| 1593 | mb = &pmb->mb; |
| 1594 | |
| 1595 | /* save rpi */ |
| 1596 | if (ndlp->nlp_rpi != 0) |
| 1597 | lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); |
| 1598 | |
| 1599 | ndlp->nlp_rpi = mb->un.varWords[0]; |
| 1600 | lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi); |
| 1601 | |
| 1602 | return (ndlp->nlp_state); |
| 1603 | } |
| 1604 | |
| 1605 | static uint32_t |
| 1606 | lpfc_device_rm_npr_node(struct lpfc_hba * phba, |
| 1607 | struct lpfc_nodelist * ndlp, void *arg, |
| 1608 | uint32_t evt) |
| 1609 | { |
| 1610 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| 1611 | return (NLP_STE_FREED_NODE); |
| 1612 | } |
| 1613 | |
| 1614 | static uint32_t |
| 1615 | lpfc_device_recov_npr_node(struct lpfc_hba * phba, |
| 1616 | struct lpfc_nodelist * ndlp, void *arg, |
| 1617 | uint32_t evt) |
| 1618 | { |
| 1619 | spin_lock_irq(phba->host->host_lock); |
| 1620 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
| 1621 | spin_unlock_irq(phba->host->host_lock); |
| 1622 | return (ndlp->nlp_state); |
| 1623 | } |
| 1624 | |
| 1625 | |
| 1626 | /* This next section defines the NPort Discovery State Machine */ |
| 1627 | |
| 1628 | /* There are 4 different double linked lists nodelist entries can reside on. |
| 1629 | * The plogi list and adisc list are used when Link Up discovery or RSCN |
| 1630 | * processing is needed. Each list holds the nodes that we will send PLOGI |
| 1631 | * or ADISC on. These lists will keep track of what nodes will be effected |
| 1632 | * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). |
| 1633 | * The unmapped_list will contain all nodes that we have successfully logged |
| 1634 | * into at the Fibre Channel level. The mapped_list will contain all nodes |
| 1635 | * that are mapped FCP targets. |
| 1636 | */ |
| 1637 | /* |
| 1638 | * The bind list is a list of undiscovered (potentially non-existent) nodes |
| 1639 | * that we have saved binding information on. This information is used when |
| 1640 | * nodes transition from the unmapped to the mapped list. |
| 1641 | */ |
| 1642 | /* For UNUSED_NODE state, the node has just been allocated . |
| 1643 | * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on |
| 1644 | * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list |
| 1645 | * and put on the unmapped list. For ADISC processing, the node is taken off |
| 1646 | * the ADISC list and placed on either the mapped or unmapped list (depending |
| 1647 | * on its previous state). Once on the unmapped list, a PRLI is issued and the |
| 1648 | * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is |
| 1649 | * changed to UNMAPPED_NODE. If the completion indicates a mapped |
| 1650 | * node, the node is taken off the unmapped list. The binding list is checked |
| 1651 | * for a valid binding, or a binding is automatically assigned. If binding |
| 1652 | * assignment is unsuccessful, the node is left on the unmapped list. If |
| 1653 | * binding assignment is successful, the associated binding list entry (if |
| 1654 | * any) is removed, and the node is placed on the mapped list. |
| 1655 | */ |
| 1656 | /* |
| 1657 | * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped |
| 1658 | * lists will receive a DEVICE_RECOVERY event. If the linkdown or nodev timers |
| 1659 | * expire, all effected nodes will receive a DEVICE_RM event. |
| 1660 | */ |
| 1661 | /* |
| 1662 | * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists |
| 1663 | * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap |
| 1664 | * check, additional nodes may be added or removed (via DEVICE_RM) to / from |
| 1665 | * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, |
| 1666 | * we will first process the ADISC list. 32 entries are processed initially and |
| 1667 | * ADISC is initited for each one. Completions / Events for each node are |
| 1668 | * funnelled thru the state machine. As each node finishes ADISC processing, it |
| 1669 | * starts ADISC for any nodes waiting for ADISC processing. If no nodes are |
| 1670 | * waiting, and the ADISC list count is identically 0, then we are done. For |
| 1671 | * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we |
| 1672 | * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI |
| 1673 | * list. 32 entries are processed initially and PLOGI is initited for each one. |
| 1674 | * Completions / Events for each node are funnelled thru the state machine. As |
| 1675 | * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting |
| 1676 | * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is |
| 1677 | * indentically 0, then we are done. We have now completed discovery / RSCN |
| 1678 | * handling. Upon completion, ALL nodes should be on either the mapped or |
| 1679 | * unmapped lists. |
| 1680 | */ |
| 1681 | |
| 1682 | static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) |
| 1683 | (struct lpfc_hba *, struct lpfc_nodelist *, void *, uint32_t) = { |
| 1684 | /* Action routine Event Current State */ |
| 1685 | lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ |
| 1686 | lpfc_rcv_els_unused_node, /* RCV_PRLI */ |
| 1687 | lpfc_rcv_logo_unused_node, /* RCV_LOGO */ |
| 1688 | lpfc_rcv_els_unused_node, /* RCV_ADISC */ |
| 1689 | lpfc_rcv_els_unused_node, /* RCV_PDISC */ |
| 1690 | lpfc_rcv_els_unused_node, /* RCV_PRLO */ |
| 1691 | lpfc_disc_illegal, /* CMPL_PLOGI */ |
| 1692 | lpfc_disc_illegal, /* CMPL_PRLI */ |
| 1693 | lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ |
| 1694 | lpfc_disc_illegal, /* CMPL_ADISC */ |
| 1695 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ |
| 1696 | lpfc_device_rm_unused_node, /* DEVICE_RM */ |
| 1697 | lpfc_disc_illegal, /* DEVICE_RECOVERY */ |
| 1698 | |
| 1699 | lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ |
| 1700 | lpfc_rcv_els_plogi_issue, /* RCV_PRLI */ |
| 1701 | lpfc_rcv_els_plogi_issue, /* RCV_LOGO */ |
| 1702 | lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ |
| 1703 | lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ |
| 1704 | lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ |
| 1705 | lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ |
| 1706 | lpfc_disc_illegal, /* CMPL_PRLI */ |
| 1707 | lpfc_disc_illegal, /* CMPL_LOGO */ |
| 1708 | lpfc_disc_illegal, /* CMPL_ADISC */ |
| 1709 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ |
| 1710 | lpfc_device_rm_plogi_issue, /* DEVICE_RM */ |
| 1711 | lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ |
| 1712 | |
| 1713 | lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ |
| 1714 | lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ |
| 1715 | lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ |
| 1716 | lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ |
| 1717 | lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ |
| 1718 | lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ |
| 1719 | lpfc_disc_illegal, /* CMPL_PLOGI */ |
| 1720 | lpfc_disc_illegal, /* CMPL_PRLI */ |
| 1721 | lpfc_disc_illegal, /* CMPL_LOGO */ |
| 1722 | lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ |
| 1723 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ |
| 1724 | lpfc_device_rm_adisc_issue, /* DEVICE_RM */ |
| 1725 | lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ |
| 1726 | |
| 1727 | lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ |
| 1728 | lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ |
| 1729 | lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ |
| 1730 | lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ |
| 1731 | lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ |
| 1732 | lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ |
| 1733 | lpfc_disc_illegal, /* CMPL_PLOGI */ |
| 1734 | lpfc_disc_illegal, /* CMPL_PRLI */ |
| 1735 | lpfc_disc_illegal, /* CMPL_LOGO */ |
| 1736 | lpfc_disc_illegal, /* CMPL_ADISC */ |
| 1737 | lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ |
| 1738 | lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ |
| 1739 | lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ |
| 1740 | |
| 1741 | lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ |
| 1742 | lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ |
| 1743 | lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ |
| 1744 | lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ |
| 1745 | lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ |
| 1746 | lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ |
| 1747 | lpfc_disc_illegal, /* CMPL_PLOGI */ |
| 1748 | lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ |
| 1749 | lpfc_disc_illegal, /* CMPL_LOGO */ |
| 1750 | lpfc_disc_illegal, /* CMPL_ADISC */ |
| 1751 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ |
| 1752 | lpfc_device_rm_prli_issue, /* DEVICE_RM */ |
| 1753 | lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ |
| 1754 | |
| 1755 | lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ |
| 1756 | lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ |
| 1757 | lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ |
| 1758 | lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ |
| 1759 | lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ |
| 1760 | lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ |
| 1761 | lpfc_disc_illegal, /* CMPL_PLOGI */ |
| 1762 | lpfc_disc_illegal, /* CMPL_PRLI */ |
| 1763 | lpfc_disc_illegal, /* CMPL_LOGO */ |
| 1764 | lpfc_disc_illegal, /* CMPL_ADISC */ |
| 1765 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ |
| 1766 | lpfc_disc_illegal, /* DEVICE_RM */ |
| 1767 | lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ |
| 1768 | |
| 1769 | lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ |
| 1770 | lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ |
| 1771 | lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ |
| 1772 | lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ |
| 1773 | lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ |
| 1774 | lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ |
| 1775 | lpfc_disc_illegal, /* CMPL_PLOGI */ |
| 1776 | lpfc_disc_illegal, /* CMPL_PRLI */ |
| 1777 | lpfc_disc_illegal, /* CMPL_LOGO */ |
| 1778 | lpfc_disc_illegal, /* CMPL_ADISC */ |
| 1779 | lpfc_disc_illegal, /* CMPL_REG_LOGIN */ |
| 1780 | lpfc_disc_illegal, /* DEVICE_RM */ |
| 1781 | lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ |
| 1782 | |
| 1783 | lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ |
| 1784 | lpfc_rcv_prli_npr_node, /* RCV_PRLI */ |
| 1785 | lpfc_rcv_logo_npr_node, /* RCV_LOGO */ |
| 1786 | lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ |
| 1787 | lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ |
| 1788 | lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ |
| 1789 | lpfc_disc_noop, /* CMPL_PLOGI */ |
| 1790 | lpfc_disc_noop, /* CMPL_PRLI */ |
| 1791 | lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ |
| 1792 | lpfc_disc_noop, /* CMPL_ADISC */ |
| 1793 | lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ |
| 1794 | lpfc_device_rm_npr_node, /* DEVICE_RM */ |
| 1795 | lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ |
| 1796 | }; |
| 1797 | |
| 1798 | int |
| 1799 | lpfc_disc_state_machine(struct lpfc_hba * phba, |
| 1800 | struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) |
| 1801 | { |
| 1802 | uint32_t cur_state, rc; |
| 1803 | uint32_t(*func) (struct lpfc_hba *, struct lpfc_nodelist *, void *, |
| 1804 | uint32_t); |
| 1805 | |
| 1806 | ndlp->nlp_disc_refcnt++; |
| 1807 | cur_state = ndlp->nlp_state; |
| 1808 | |
| 1809 | /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ |
| 1810 | lpfc_printf_log(phba, |
| 1811 | KERN_INFO, |
| 1812 | LOG_DISCOVERY, |
| 1813 | "%d:0211 DSM in event x%x on NPort x%x in state %d " |
| 1814 | "Data: x%x\n", |
| 1815 | phba->brd_no, |
| 1816 | evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); |
| 1817 | |
| 1818 | func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; |
| 1819 | rc = (func) (phba, ndlp, arg, evt); |
| 1820 | |
| 1821 | /* DSM out state <rc> on NPort <nlp_DID> */ |
| 1822 | lpfc_printf_log(phba, |
| 1823 | KERN_INFO, |
| 1824 | LOG_DISCOVERY, |
| 1825 | "%d:0212 DSM out state %d on NPort x%x Data: x%x\n", |
| 1826 | phba->brd_no, |
| 1827 | rc, ndlp->nlp_DID, ndlp->nlp_flag); |
| 1828 | |
| 1829 | ndlp->nlp_disc_refcnt--; |
| 1830 | |
| 1831 | /* Check to see if ndlp removal is deferred */ |
| 1832 | if ((ndlp->nlp_disc_refcnt == 0) |
| 1833 | && (ndlp->nlp_flag & NLP_DELAY_REMOVE)) { |
| 1834 | spin_lock_irq(phba->host->host_lock); |
| 1835 | ndlp->nlp_flag &= ~NLP_DELAY_REMOVE; |
| 1836 | spin_unlock_irq(phba->host->host_lock); |
| 1837 | lpfc_nlp_remove(phba, ndlp); |
| 1838 | return (NLP_STE_FREED_NODE); |
| 1839 | } |
| 1840 | if (rc == NLP_STE_FREED_NODE) |
| 1841 | return (NLP_STE_FREED_NODE); |
| 1842 | ndlp->nlp_state = rc; |
| 1843 | return (rc); |
| 1844 | } |