1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * 5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * 6 * Copyright (C) 2004-2016 Emulex. All rights reserved. * 7 * EMULEX and SLI are trademarks of Emulex. * 8 * www.broadcom.com * 9 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 10 * * 11 * This program is free software; you can redistribute it and/or * 12 * modify it under the terms of version 2 of the GNU General * 13 * Public License as published by the Free Software Foundation. * 14 * This program is distributed in the hope that it will be useful. * 15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 19 * TO BE LEGALLY INVALID. See the GNU General Public License for * 20 * more details, a copy of which can be found in the file COPYING * 21 * included with this package. * 22 *******************************************************************/ 23 24 #include <linux/blkdev.h> 25 #include <linux/pci.h> 26 #include <linux/slab.h> 27 #include <linux/interrupt.h> 28 29 #include <scsi/scsi.h> 30 #include <scsi/scsi_device.h> 31 #include <scsi/scsi_host.h> 32 #include <scsi/scsi_transport_fc.h> 33 #include <scsi/fc/fc_fs.h> 34 35 #include "lpfc_hw4.h" 36 #include "lpfc_hw.h" 37 #include "lpfc_sli.h" 38 #include "lpfc_sli4.h" 39 #include "lpfc_nl.h" 40 #include "lpfc_disc.h" 41 #include "lpfc.h" 42 #include "lpfc_scsi.h" 43 #include "lpfc_nvme.h" 44 #include "lpfc_logmsg.h" 45 #include "lpfc_crtn.h" 46 #include "lpfc_vport.h" 47 #include "lpfc_debugfs.h" 48 49 50 /* Called to verify a rcv'ed ADISC was intended for us. */ 51 static int 52 lpfc_check_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 53 struct lpfc_name *nn, struct lpfc_name *pn) 54 { 55 /* First, we MUST have a RPI registered */ 56 if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) 57 return 0; 58 59 /* Compare the ADISC rsp WWNN / WWPN matches our internal node 60 * table entry for that node. 61 */ 62 if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name))) 63 return 0; 64 65 if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name))) 66 return 0; 67 68 /* we match, return success */ 69 return 1; 70 } 71 72 int 73 lpfc_check_sparm(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 74 struct serv_parm *sp, uint32_t class, int flogi) 75 { 76 volatile struct serv_parm *hsp = &vport->fc_sparam; 77 uint16_t hsp_value, ssp_value = 0; 78 79 /* 80 * The receive data field size and buffer-to-buffer receive data field 81 * size entries are 16 bits but are represented as two 8-bit fields in 82 * the driver data structure to account for rsvd bits and other control 83 * bits. Reconstruct and compare the fields as a 16-bit values before 84 * correcting the byte values. 85 */ 86 if (sp->cls1.classValid) { 87 if (!flogi) { 88 hsp_value = ((hsp->cls1.rcvDataSizeMsb << 8) | 89 hsp->cls1.rcvDataSizeLsb); 90 ssp_value = ((sp->cls1.rcvDataSizeMsb << 8) | 91 sp->cls1.rcvDataSizeLsb); 92 if (!ssp_value) 93 goto bad_service_param; 94 if (ssp_value > hsp_value) { 95 sp->cls1.rcvDataSizeLsb = 96 hsp->cls1.rcvDataSizeLsb; 97 sp->cls1.rcvDataSizeMsb = 98 hsp->cls1.rcvDataSizeMsb; 99 } 100 } 101 } else if (class == CLASS1) 102 goto bad_service_param; 103 if (sp->cls2.classValid) { 104 if (!flogi) { 105 hsp_value = ((hsp->cls2.rcvDataSizeMsb << 8) | 106 hsp->cls2.rcvDataSizeLsb); 107 ssp_value = ((sp->cls2.rcvDataSizeMsb << 8) | 108 sp->cls2.rcvDataSizeLsb); 109 if (!ssp_value) 110 goto bad_service_param; 111 if (ssp_value > hsp_value) { 112 sp->cls2.rcvDataSizeLsb = 113 hsp->cls2.rcvDataSizeLsb; 114 sp->cls2.rcvDataSizeMsb = 115 hsp->cls2.rcvDataSizeMsb; 116 } 117 } 118 } else if (class == CLASS2) 119 goto bad_service_param; 120 if (sp->cls3.classValid) { 121 if (!flogi) { 122 hsp_value = ((hsp->cls3.rcvDataSizeMsb << 8) | 123 hsp->cls3.rcvDataSizeLsb); 124 ssp_value = ((sp->cls3.rcvDataSizeMsb << 8) | 125 sp->cls3.rcvDataSizeLsb); 126 if (!ssp_value) 127 goto bad_service_param; 128 if (ssp_value > hsp_value) { 129 sp->cls3.rcvDataSizeLsb = 130 hsp->cls3.rcvDataSizeLsb; 131 sp->cls3.rcvDataSizeMsb = 132 hsp->cls3.rcvDataSizeMsb; 133 } 134 } 135 } else if (class == CLASS3) 136 goto bad_service_param; 137 138 /* 139 * Preserve the upper four bits of the MSB from the PLOGI response. 140 * These bits contain the Buffer-to-Buffer State Change Number 141 * from the target and need to be passed to the FW. 142 */ 143 hsp_value = (hsp->cmn.bbRcvSizeMsb << 8) | hsp->cmn.bbRcvSizeLsb; 144 ssp_value = (sp->cmn.bbRcvSizeMsb << 8) | sp->cmn.bbRcvSizeLsb; 145 if (ssp_value > hsp_value) { 146 sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; 147 sp->cmn.bbRcvSizeMsb = (sp->cmn.bbRcvSizeMsb & 0xF0) | 148 (hsp->cmn.bbRcvSizeMsb & 0x0F); 149 } 150 151 memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); 152 memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); 153 return 1; 154 bad_service_param: 155 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 156 "0207 Device %x " 157 "(%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x) sent " 158 "invalid service parameters. Ignoring device.\n", 159 ndlp->nlp_DID, 160 sp->nodeName.u.wwn[0], sp->nodeName.u.wwn[1], 161 sp->nodeName.u.wwn[2], sp->nodeName.u.wwn[3], 162 sp->nodeName.u.wwn[4], sp->nodeName.u.wwn[5], 163 sp->nodeName.u.wwn[6], sp->nodeName.u.wwn[7]); 164 return 0; 165 } 166 167 static void * 168 lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 169 struct lpfc_iocbq *rspiocb) 170 { 171 struct lpfc_dmabuf *pcmd, *prsp; 172 uint32_t *lp; 173 void *ptr = NULL; 174 IOCB_t *irsp; 175 176 irsp = &rspiocb->iocb; 177 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; 178 179 /* For lpfc_els_abort, context2 could be zero'ed to delay 180 * freeing associated memory till after ABTS completes. 181 */ 182 if (pcmd) { 183 prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, 184 list); 185 if (prsp) { 186 lp = (uint32_t *) prsp->virt; 187 ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); 188 } 189 } else { 190 /* Force ulpStatus error since we are returning NULL ptr */ 191 if (!(irsp->ulpStatus)) { 192 irsp->ulpStatus = IOSTAT_LOCAL_REJECT; 193 irsp->un.ulpWord[4] = IOERR_SLI_ABORTED; 194 } 195 ptr = NULL; 196 } 197 return ptr; 198 } 199 200 201 202 /* 203 * Free resources / clean up outstanding I/Os 204 * associated with a LPFC_NODELIST entry. This 205 * routine effectively results in a "software abort". 206 */ 207 void 208 lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) 209 { 210 LIST_HEAD(abort_list); 211 struct lpfc_sli_ring *pring; 212 struct lpfc_iocbq *iocb, *next_iocb; 213 214 pring = lpfc_phba_elsring(phba); 215 216 /* In case of error recovery path, we might have a NULL pring here */ 217 if (unlikely(!pring)) 218 return; 219 220 /* Abort outstanding I/O on NPort <nlp_DID> */ 221 lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, 222 "2819 Abort outstanding I/O on NPort x%x " 223 "Data: x%x x%x x%x\n", 224 ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, 225 ndlp->nlp_rpi); 226 /* Clean up all fabric IOs first.*/ 227 lpfc_fabric_abort_nport(ndlp); 228 229 /* 230 * Lock the ELS ring txcmplq for SLI3/SLI4 and build a local list 231 * of all ELS IOs that need an ABTS. The IOs need to stay on the 232 * txcmplq so that the abort operation completes them successfully. 233 */ 234 spin_lock_irq(&phba->hbalock); 235 if (phba->sli_rev == LPFC_SLI_REV4) 236 spin_lock(&pring->ring_lock); 237 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { 238 /* Add to abort_list on on NDLP match. */ 239 if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) 240 list_add_tail(&iocb->dlist, &abort_list); 241 } 242 if (phba->sli_rev == LPFC_SLI_REV4) 243 spin_unlock(&pring->ring_lock); 244 spin_unlock_irq(&phba->hbalock); 245 246 /* Abort the targeted IOs and remove them from the abort list. */ 247 list_for_each_entry_safe(iocb, next_iocb, &abort_list, dlist) { 248 spin_lock_irq(&phba->hbalock); 249 list_del_init(&iocb->dlist); 250 lpfc_sli_issue_abort_iotag(phba, pring, iocb, NULL); 251 spin_unlock_irq(&phba->hbalock); 252 } 253 /* Make sure HBA is alive */ 254 lpfc_issue_hb_tmo(phba); 255 256 INIT_LIST_HEAD(&abort_list); 257 258 /* Now process the txq */ 259 spin_lock_irq(&phba->hbalock); 260 if (phba->sli_rev == LPFC_SLI_REV4) 261 spin_lock(&pring->ring_lock); 262 263 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { 264 /* Check to see if iocb matches the nport we are looking for */ 265 if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { 266 list_del_init(&iocb->list); 267 list_add_tail(&iocb->list, &abort_list); 268 } 269 } 270 271 if (phba->sli_rev == LPFC_SLI_REV4) 272 spin_unlock(&pring->ring_lock); 273 spin_unlock_irq(&phba->hbalock); 274 275 /* Cancel all the IOCBs from the completions list */ 276 lpfc_sli_cancel_iocbs(phba, &abort_list, 277 IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED); 278 279 lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); 280 } 281 282 /* lpfc_defer_plogi_acc - Issue PLOGI ACC after reg_login completes 283 * @phba: pointer to lpfc hba data structure. 284 * @login_mbox: pointer to REG_RPI mailbox object 285 * 286 * The ACC for a rcv'ed PLOGI is deferred until AFTER the REG_RPI completes 287 */ 288 static void 289 lpfc_defer_plogi_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *login_mbox) 290 { 291 struct lpfc_iocbq *save_iocb; 292 struct lpfc_nodelist *ndlp; 293 MAILBOX_t *mb = &login_mbox->u.mb; 294 295 int rc; 296 297 ndlp = login_mbox->ctx_ndlp; 298 save_iocb = login_mbox->context3; 299 300 if (mb->mbxStatus == MBX_SUCCESS) { 301 /* Now that REG_RPI completed successfully, 302 * we can now proceed with sending the PLOGI ACC. 303 */ 304 rc = lpfc_els_rsp_acc(login_mbox->vport, ELS_CMD_PLOGI, 305 save_iocb, ndlp, NULL); 306 if (rc) { 307 lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, 308 "4576 PLOGI ACC fails pt2pt discovery: " 309 "DID %x Data: %x\n", ndlp->nlp_DID, rc); 310 } 311 } 312 313 /* Now process the REG_RPI cmpl */ 314 lpfc_mbx_cmpl_reg_login(phba, login_mbox); 315 ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN; 316 kfree(save_iocb); 317 } 318 319 static int 320 lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 321 struct lpfc_iocbq *cmdiocb) 322 { 323 struct lpfc_hba *phba = vport->phba; 324 struct lpfc_dmabuf *pcmd; 325 uint64_t nlp_portwwn = 0; 326 uint32_t *lp; 327 IOCB_t *icmd; 328 struct serv_parm *sp; 329 uint32_t ed_tov; 330 LPFC_MBOXQ_t *link_mbox; 331 LPFC_MBOXQ_t *login_mbox; 332 struct lpfc_iocbq *save_iocb; 333 struct ls_rjt stat; 334 uint32_t vid, flag; 335 int rc; 336 337 memset(&stat, 0, sizeof (struct ls_rjt)); 338 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; 339 lp = (uint32_t *) pcmd->virt; 340 sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); 341 if (wwn_to_u64(sp->portName.u.wwn) == 0) { 342 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 343 "0140 PLOGI Reject: invalid pname\n"); 344 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; 345 stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME; 346 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, 347 NULL); 348 return 0; 349 } 350 if (wwn_to_u64(sp->nodeName.u.wwn) == 0) { 351 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 352 "0141 PLOGI Reject: invalid nname\n"); 353 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; 354 stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME; 355 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, 356 NULL); 357 return 0; 358 } 359 360 nlp_portwwn = wwn_to_u64(ndlp->nlp_portname.u.wwn); 361 if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0) == 0)) { 362 /* Reject this request because invalid parameters */ 363 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; 364 stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; 365 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, 366 NULL); 367 return 0; 368 } 369 icmd = &cmdiocb->iocb; 370 371 /* PLOGI chkparm OK */ 372 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, 373 "0114 PLOGI chkparm OK Data: x%x x%x x%x " 374 "x%x x%x x%x\n", 375 ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, 376 ndlp->nlp_rpi, vport->port_state, 377 vport->fc_flag); 378 379 if (vport->cfg_fcp_class == 2 && sp->cls2.classValid) 380 ndlp->nlp_fcp_info |= CLASS2; 381 else 382 ndlp->nlp_fcp_info |= CLASS3; 383 384 ndlp->nlp_class_sup = 0; 385 if (sp->cls1.classValid) 386 ndlp->nlp_class_sup |= FC_COS_CLASS1; 387 if (sp->cls2.classValid) 388 ndlp->nlp_class_sup |= FC_COS_CLASS2; 389 if (sp->cls3.classValid) 390 ndlp->nlp_class_sup |= FC_COS_CLASS3; 391 if (sp->cls4.classValid) 392 ndlp->nlp_class_sup |= FC_COS_CLASS4; 393 ndlp->nlp_maxframe = 394 ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; 395 /* if already logged in, do implicit logout */ 396 switch (ndlp->nlp_state) { 397 case NLP_STE_NPR_NODE: 398 if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) 399 break; 400 fallthrough; 401 case NLP_STE_REG_LOGIN_ISSUE: 402 case NLP_STE_PRLI_ISSUE: 403 case NLP_STE_UNMAPPED_NODE: 404 case NLP_STE_MAPPED_NODE: 405 /* For initiators, lpfc_plogi_confirm_nport skips fabric did. 406 * For target mode, execute implicit logo. 407 * Fabric nodes go into NPR. 408 */ 409 if (!(ndlp->nlp_type & NLP_FABRIC) && 410 !(phba->nvmet_support)) { 411 /* Clear ndlp info, since follow up PRLI may have 412 * updated ndlp information 413 */ 414 ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); 415 ndlp->nlp_type &= ~(NLP_NVME_TARGET | NLP_NVME_INITIATOR); 416 ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; 417 ndlp->nlp_nvme_info &= ~NLP_NVME_NSLER; 418 ndlp->nlp_flag &= ~NLP_FIRSTBURST; 419 420 lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, 421 ndlp, NULL); 422 return 1; 423 } 424 if (nlp_portwwn != 0 && 425 nlp_portwwn != wwn_to_u64(sp->portName.u.wwn)) 426 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 427 "0143 PLOGI recv'd from DID: x%x " 428 "WWPN changed: old %llx new %llx\n", 429 ndlp->nlp_DID, 430 (unsigned long long)nlp_portwwn, 431 (unsigned long long) 432 wwn_to_u64(sp->portName.u.wwn)); 433 434 /* Notify transport of connectivity loss to trigger cleanup. */ 435 if (phba->nvmet_support && 436 ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) 437 lpfc_nvmet_invalidate_host(phba, ndlp); 438 439 ndlp->nlp_prev_state = ndlp->nlp_state; 440 /* rport needs to be unregistered first */ 441 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 442 break; 443 } 444 445 ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); 446 ndlp->nlp_type &= ~(NLP_NVME_TARGET | NLP_NVME_INITIATOR); 447 ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; 448 ndlp->nlp_nvme_info &= ~NLP_NVME_NSLER; 449 ndlp->nlp_flag &= ~NLP_FIRSTBURST; 450 451 login_mbox = NULL; 452 link_mbox = NULL; 453 save_iocb = NULL; 454 455 /* Check for Nport to NPort pt2pt protocol */ 456 if ((vport->fc_flag & FC_PT2PT) && 457 !(vport->fc_flag & FC_PT2PT_PLOGI)) { 458 /* rcv'ed PLOGI decides what our NPortId will be */ 459 vport->fc_myDID = icmd->un.rcvels.parmRo; 460 461 /* If there is an outstanding FLOGI, abort it now. 462 * The remote NPort is not going to ACC our FLOGI 463 * if its already issuing a PLOGI for pt2pt mode. 464 * This indicates our FLOGI was dropped; however, we 465 * must have ACCed the remote NPorts FLOGI to us 466 * to make it here. 467 */ 468 if (phba->hba_flag & HBA_FLOGI_OUTSTANDING) 469 lpfc_els_abort_flogi(phba); 470 471 ed_tov = be32_to_cpu(sp->cmn.e_d_tov); 472 if (sp->cmn.edtovResolution) { 473 /* E_D_TOV ticks are in nanoseconds */ 474 ed_tov = (phba->fc_edtov + 999999) / 1000000; 475 } 476 477 /* 478 * For pt-to-pt, use the larger EDTOV 479 * RATOV = 2 * EDTOV 480 */ 481 if (ed_tov > phba->fc_edtov) 482 phba->fc_edtov = ed_tov; 483 phba->fc_ratov = (2 * phba->fc_edtov) / 1000; 484 485 memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); 486 487 /* Issue CONFIG_LINK for SLI3 or REG_VFI for SLI4, 488 * to account for updated TOV's / parameters 489 */ 490 if (phba->sli_rev == LPFC_SLI_REV4) 491 lpfc_issue_reg_vfi(vport); 492 else { 493 link_mbox = mempool_alloc(phba->mbox_mem_pool, 494 GFP_KERNEL); 495 if (!link_mbox) 496 goto out; 497 lpfc_config_link(phba, link_mbox); 498 link_mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 499 link_mbox->vport = vport; 500 link_mbox->ctx_ndlp = ndlp; 501 502 rc = lpfc_sli_issue_mbox(phba, link_mbox, MBX_NOWAIT); 503 if (rc == MBX_NOT_FINISHED) { 504 mempool_free(link_mbox, phba->mbox_mem_pool); 505 goto out; 506 } 507 } 508 509 lpfc_can_disctmo(vport); 510 } 511 512 ndlp->nlp_flag &= ~NLP_SUPPRESS_RSP; 513 if ((phba->sli.sli_flag & LPFC_SLI_SUPPRESS_RSP) && 514 sp->cmn.valid_vendor_ver_level) { 515 vid = be32_to_cpu(sp->un.vv.vid); 516 flag = be32_to_cpu(sp->un.vv.flags); 517 if ((vid == LPFC_VV_EMLX_ID) && (flag & LPFC_VV_SUPPRESS_RSP)) 518 ndlp->nlp_flag |= NLP_SUPPRESS_RSP; 519 } 520 521 login_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 522 if (!login_mbox) 523 goto out; 524 525 save_iocb = kzalloc(sizeof(*save_iocb), GFP_KERNEL); 526 if (!save_iocb) 527 goto out; 528 529 /* Save info from cmd IOCB to be used in rsp after all mbox completes */ 530 memcpy((uint8_t *)save_iocb, (uint8_t *)cmdiocb, 531 sizeof(struct lpfc_iocbq)); 532 533 /* Registering an existing RPI behaves differently for SLI3 vs SLI4 */ 534 if (phba->sli_rev == LPFC_SLI_REV4) 535 lpfc_unreg_rpi(vport, ndlp); 536 537 /* Issue REG_LOGIN first, before ACCing the PLOGI, thus we will 538 * always be deferring the ACC. 539 */ 540 rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID, 541 (uint8_t *)sp, login_mbox, ndlp->nlp_rpi); 542 if (rc) 543 goto out; 544 545 login_mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; 546 login_mbox->vport = vport; 547 548 /* 549 * If there is an outstanding PLOGI issued, abort it before 550 * sending ACC rsp for received PLOGI. If pending plogi 551 * is not canceled here, the plogi will be rejected by 552 * remote port and will be retried. On a configuration with 553 * single discovery thread, this will cause a huge delay in 554 * discovery. Also this will cause multiple state machines 555 * running in parallel for this node. 556 * This only applies to a fabric environment. 557 */ 558 if ((ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) && 559 (vport->fc_flag & FC_FABRIC)) { 560 /* software abort outstanding PLOGI */ 561 lpfc_els_abort(phba, ndlp); 562 } 563 564 if ((vport->port_type == LPFC_NPIV_PORT && 565 vport->cfg_restrict_login)) { 566 567 /* no deferred ACC */ 568 kfree(save_iocb); 569 570 /* This is an NPIV SLI4 instance that does not need to register 571 * a default RPI. 572 */ 573 if (phba->sli_rev == LPFC_SLI_REV4) { 574 mempool_free(login_mbox, phba->mbox_mem_pool); 575 login_mbox = NULL; 576 } else { 577 /* In order to preserve RPIs, we want to cleanup 578 * the default RPI the firmware created to rcv 579 * this ELS request. The only way to do this is 580 * to register, then unregister the RPI. 581 */ 582 spin_lock_irq(&ndlp->lock); 583 ndlp->nlp_flag |= (NLP_RM_DFLT_RPI | NLP_ACC_REGLOGIN | 584 NLP_RCV_PLOGI); 585 spin_unlock_irq(&ndlp->lock); 586 } 587 588 stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; 589 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; 590 rc = lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, 591 ndlp, login_mbox); 592 if (rc) 593 mempool_free(login_mbox, phba->mbox_mem_pool); 594 return 1; 595 } 596 597 /* So the order here should be: 598 * SLI3 pt2pt 599 * Issue CONFIG_LINK mbox 600 * CONFIG_LINK cmpl 601 * SLI4 pt2pt 602 * Issue REG_VFI mbox 603 * REG_VFI cmpl 604 * SLI4 605 * Issue UNREG RPI mbx 606 * UNREG RPI cmpl 607 * Issue REG_RPI mbox 608 * REG RPI cmpl 609 * Issue PLOGI ACC 610 * PLOGI ACC cmpl 611 */ 612 login_mbox->mbox_cmpl = lpfc_defer_plogi_acc; 613 login_mbox->ctx_ndlp = lpfc_nlp_get(ndlp); 614 login_mbox->context3 = save_iocb; /* For PLOGI ACC */ 615 616 spin_lock_irq(&ndlp->lock); 617 ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); 618 spin_unlock_irq(&ndlp->lock); 619 620 /* Start the ball rolling by issuing REG_LOGIN here */ 621 rc = lpfc_sli_issue_mbox(phba, login_mbox, MBX_NOWAIT); 622 if (rc == MBX_NOT_FINISHED) 623 goto out; 624 lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); 625 626 return 1; 627 out: 628 kfree(save_iocb); 629 if (login_mbox) 630 mempool_free(login_mbox, phba->mbox_mem_pool); 631 632 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; 633 stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; 634 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); 635 return 0; 636 } 637 638 /** 639 * lpfc_mbx_cmpl_resume_rpi - Resume RPI completion routine 640 * @phba: pointer to lpfc hba data structure. 641 * @mboxq: pointer to mailbox object 642 * 643 * This routine is invoked to issue a completion to a rcv'ed 644 * ADISC or PDISC after the paused RPI has been resumed. 645 **/ 646 static void 647 lpfc_mbx_cmpl_resume_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) 648 { 649 struct lpfc_vport *vport; 650 struct lpfc_iocbq *elsiocb; 651 struct lpfc_nodelist *ndlp; 652 uint32_t cmd; 653 654 elsiocb = (struct lpfc_iocbq *)mboxq->ctx_buf; 655 ndlp = (struct lpfc_nodelist *)mboxq->ctx_ndlp; 656 vport = mboxq->vport; 657 cmd = elsiocb->drvrTimeout; 658 659 if (cmd == ELS_CMD_ADISC) { 660 lpfc_els_rsp_adisc_acc(vport, elsiocb, ndlp); 661 } else { 662 lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, elsiocb, 663 ndlp, NULL); 664 } 665 666 /* This nlp_put pairs with lpfc_sli4_resume_rpi */ 667 lpfc_nlp_put(ndlp); 668 669 kfree(elsiocb); 670 mempool_free(mboxq, phba->mbox_mem_pool); 671 } 672 673 static int 674 lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 675 struct lpfc_iocbq *cmdiocb) 676 { 677 struct lpfc_iocbq *elsiocb; 678 struct lpfc_dmabuf *pcmd; 679 struct serv_parm *sp; 680 struct lpfc_name *pnn, *ppn; 681 struct ls_rjt stat; 682 ADISC *ap; 683 IOCB_t *icmd; 684 uint32_t *lp; 685 uint32_t cmd; 686 687 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; 688 lp = (uint32_t *) pcmd->virt; 689 690 cmd = *lp++; 691 if (cmd == ELS_CMD_ADISC) { 692 ap = (ADISC *) lp; 693 pnn = (struct lpfc_name *) & ap->nodeName; 694 ppn = (struct lpfc_name *) & ap->portName; 695 } else { 696 sp = (struct serv_parm *) lp; 697 pnn = (struct lpfc_name *) & sp->nodeName; 698 ppn = (struct lpfc_name *) & sp->portName; 699 } 700 701 icmd = &cmdiocb->iocb; 702 if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { 703 704 /* 705 * As soon as we send ACC, the remote NPort can 706 * start sending us data. Thus, for SLI4 we must 707 * resume the RPI before the ACC goes out. 708 */ 709 if (vport->phba->sli_rev == LPFC_SLI_REV4) { 710 elsiocb = kmalloc(sizeof(struct lpfc_iocbq), 711 GFP_KERNEL); 712 if (elsiocb) { 713 714 /* Save info from cmd IOCB used in rsp */ 715 memcpy((uint8_t *)elsiocb, (uint8_t *)cmdiocb, 716 sizeof(struct lpfc_iocbq)); 717 718 /* Save the ELS cmd */ 719 elsiocb->drvrTimeout = cmd; 720 721 lpfc_sli4_resume_rpi(ndlp, 722 lpfc_mbx_cmpl_resume_rpi, elsiocb); 723 goto out; 724 } 725 } 726 727 if (cmd == ELS_CMD_ADISC) { 728 lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); 729 } else { 730 lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, 731 ndlp, NULL); 732 } 733 out: 734 /* If we are authenticated, move to the proper state. 735 * It is possible an ADISC arrived and the remote nport 736 * is already in MAPPED or UNMAPPED state. Catch this 737 * condition and don't set the nlp_state again because 738 * it causes an unnecessary transport unregister/register. 739 * 740 * Nodes marked for ADISC will move MAPPED or UNMAPPED state 741 * after issuing ADISC 742 */ 743 if (ndlp->nlp_type & (NLP_FCP_TARGET | NLP_NVME_TARGET)) { 744 if ((ndlp->nlp_state != NLP_STE_MAPPED_NODE) && 745 !(ndlp->nlp_flag & NLP_NPR_ADISC)) 746 lpfc_nlp_set_state(vport, ndlp, 747 NLP_STE_MAPPED_NODE); 748 } 749 750 return 1; 751 } 752 /* Reject this request because invalid parameters */ 753 stat.un.b.lsRjtRsvd0 = 0; 754 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; 755 stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; 756 stat.un.b.vendorUnique = 0; 757 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); 758 759 /* 1 sec timeout */ 760 mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000)); 761 762 spin_lock_irq(&ndlp->lock); 763 ndlp->nlp_flag |= NLP_DELAY_TMO; 764 spin_unlock_irq(&ndlp->lock); 765 ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; 766 ndlp->nlp_prev_state = ndlp->nlp_state; 767 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 768 return 0; 769 } 770 771 static int 772 lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 773 struct lpfc_iocbq *cmdiocb, uint32_t els_cmd) 774 { 775 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 776 struct lpfc_hba *phba = vport->phba; 777 struct lpfc_vport **vports; 778 int i, active_vlink_present = 0 ; 779 780 /* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */ 781 /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary 782 * PLOGIs during LOGO storms from a device. 783 */ 784 spin_lock_irq(&ndlp->lock); 785 ndlp->nlp_flag |= NLP_LOGO_ACC; 786 spin_unlock_irq(&ndlp->lock); 787 if (els_cmd == ELS_CMD_PRLO) 788 lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); 789 else 790 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); 791 792 /* This clause allows the initiator to ACC the LOGO back to the 793 * Fabric Domain Controller. It does deliberately skip all other 794 * steps because some fabrics send RDP requests after logging out 795 * from the initiator. 796 */ 797 if (ndlp->nlp_type & NLP_FABRIC && 798 ((ndlp->nlp_DID & WELL_KNOWN_DID_MASK) != WELL_KNOWN_DID_MASK)) 799 return 0; 800 801 /* Notify transport of connectivity loss to trigger cleanup. */ 802 if (phba->nvmet_support && 803 ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) 804 lpfc_nvmet_invalidate_host(phba, ndlp); 805 806 if (ndlp->nlp_DID == Fabric_DID) { 807 if (vport->port_state <= LPFC_FDISC) 808 goto out; 809 lpfc_linkdown_port(vport); 810 spin_lock_irq(shost->host_lock); 811 vport->fc_flag |= FC_VPORT_LOGO_RCVD; 812 spin_unlock_irq(shost->host_lock); 813 vports = lpfc_create_vport_work_array(phba); 814 if (vports) { 815 for (i = 0; i <= phba->max_vports && vports[i] != NULL; 816 i++) { 817 if ((!(vports[i]->fc_flag & 818 FC_VPORT_LOGO_RCVD)) && 819 (vports[i]->port_state > LPFC_FDISC)) { 820 active_vlink_present = 1; 821 break; 822 } 823 } 824 lpfc_destroy_vport_work_array(phba, vports); 825 } 826 827 /* 828 * Don't re-instantiate if vport is marked for deletion. 829 * If we are here first then vport_delete is going to wait 830 * for discovery to complete. 831 */ 832 if (!(vport->load_flag & FC_UNLOADING) && 833 active_vlink_present) { 834 /* 835 * If there are other active VLinks present, 836 * re-instantiate the Vlink using FDISC. 837 */ 838 mod_timer(&ndlp->nlp_delayfunc, 839 jiffies + msecs_to_jiffies(1000)); 840 spin_lock_irq(&ndlp->lock); 841 ndlp->nlp_flag |= NLP_DELAY_TMO; 842 spin_unlock_irq(&ndlp->lock); 843 ndlp->nlp_last_elscmd = ELS_CMD_FDISC; 844 vport->port_state = LPFC_FDISC; 845 } else { 846 spin_lock_irq(shost->host_lock); 847 phba->pport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG; 848 spin_unlock_irq(shost->host_lock); 849 lpfc_retry_pport_discovery(phba); 850 } 851 } else if ((!(ndlp->nlp_type & NLP_FABRIC) && 852 ((ndlp->nlp_type & NLP_FCP_TARGET) || 853 (ndlp->nlp_type & NLP_NVME_TARGET) || 854 (vport->fc_flag & FC_PT2PT))) || 855 (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { 856 /* Only try to re-login if this is NOT a Fabric Node 857 * AND the remote NPORT is a FCP/NVME Target or we 858 * are in pt2pt mode. NLP_STE_ADISC_ISSUE is a special 859 * case for LOGO as a response to ADISC behavior. 860 */ 861 mod_timer(&ndlp->nlp_delayfunc, 862 jiffies + msecs_to_jiffies(1000 * 1)); 863 spin_lock_irq(&ndlp->lock); 864 ndlp->nlp_flag |= NLP_DELAY_TMO; 865 spin_unlock_irq(&ndlp->lock); 866 867 ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; 868 } 869 out: 870 /* Unregister from backend, could have been skipped due to ADISC */ 871 lpfc_nlp_unreg_node(vport, ndlp); 872 873 ndlp->nlp_prev_state = ndlp->nlp_state; 874 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 875 876 spin_lock_irq(&ndlp->lock); 877 ndlp->nlp_flag &= ~NLP_NPR_ADISC; 878 spin_unlock_irq(&ndlp->lock); 879 /* The driver has to wait until the ACC completes before it continues 880 * processing the LOGO. The action will resume in 881 * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an 882 * unreg_login, the driver waits so the ACC does not get aborted. 883 */ 884 return 0; 885 } 886 887 static uint32_t 888 lpfc_rcv_prli_support_check(struct lpfc_vport *vport, 889 struct lpfc_nodelist *ndlp, 890 struct lpfc_iocbq *cmdiocb) 891 { 892 struct ls_rjt stat; 893 uint32_t *payload; 894 uint32_t cmd; 895 896 payload = ((struct lpfc_dmabuf *)cmdiocb->context2)->virt; 897 cmd = *payload; 898 if (vport->phba->nvmet_support) { 899 /* Must be a NVME PRLI */ 900 if (cmd == ELS_CMD_PRLI) 901 goto out; 902 } else { 903 /* Initiator mode. */ 904 if (!vport->nvmei_support && (cmd == ELS_CMD_NVMEPRLI)) 905 goto out; 906 } 907 return 1; 908 out: 909 lpfc_printf_vlog(vport, KERN_WARNING, LOG_NVME_DISC, 910 "6115 Rcv PRLI (%x) check failed: ndlp rpi %d " 911 "state x%x flags x%x\n", 912 cmd, ndlp->nlp_rpi, ndlp->nlp_state, 913 ndlp->nlp_flag); 914 memset(&stat, 0, sizeof(struct ls_rjt)); 915 stat.un.b.lsRjtRsnCode = LSRJT_CMD_UNSUPPORTED; 916 stat.un.b.lsRjtRsnCodeExp = LSEXP_REQ_UNSUPPORTED; 917 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, 918 ndlp, NULL); 919 return 0; 920 } 921 922 static void 923 lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 924 struct lpfc_iocbq *cmdiocb) 925 { 926 struct lpfc_hba *phba = vport->phba; 927 struct lpfc_dmabuf *pcmd; 928 uint32_t *lp; 929 PRLI *npr; 930 struct fc_rport *rport = ndlp->rport; 931 u32 roles; 932 933 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; 934 lp = (uint32_t *) pcmd->virt; 935 npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); 936 937 if ((npr->prliType == PRLI_FCP_TYPE) || 938 (npr->prliType == PRLI_NVME_TYPE)) { 939 if (npr->initiatorFunc) { 940 if (npr->prliType == PRLI_FCP_TYPE) 941 ndlp->nlp_type |= NLP_FCP_INITIATOR; 942 if (npr->prliType == PRLI_NVME_TYPE) 943 ndlp->nlp_type |= NLP_NVME_INITIATOR; 944 } 945 if (npr->targetFunc) { 946 if (npr->prliType == PRLI_FCP_TYPE) 947 ndlp->nlp_type |= NLP_FCP_TARGET; 948 if (npr->prliType == PRLI_NVME_TYPE) 949 ndlp->nlp_type |= NLP_NVME_TARGET; 950 if (npr->writeXferRdyDis) 951 ndlp->nlp_flag |= NLP_FIRSTBURST; 952 } 953 if (npr->Retry && ndlp->nlp_type & 954 (NLP_FCP_INITIATOR | NLP_FCP_TARGET)) 955 ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; 956 957 if (npr->Retry && phba->nsler && 958 ndlp->nlp_type & (NLP_NVME_INITIATOR | NLP_NVME_TARGET)) 959 ndlp->nlp_nvme_info |= NLP_NVME_NSLER; 960 961 962 /* If this driver is in nvme target mode, set the ndlp's fc4 963 * type to NVME provided the PRLI response claims NVME FC4 964 * type. Target mode does not issue gft_id so doesn't get 965 * the fc4 type set until now. 966 */ 967 if (phba->nvmet_support && (npr->prliType == PRLI_NVME_TYPE)) { 968 ndlp->nlp_fc4_type |= NLP_FC4_NVME; 969 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); 970 } 971 972 /* Fabric Controllers send FCP PRLI as an initiator but should 973 * not get recognized as FCP type and registered with transport. 974 */ 975 if (npr->prliType == PRLI_FCP_TYPE && 976 !(ndlp->nlp_type & NLP_FABRIC)) 977 ndlp->nlp_fc4_type |= NLP_FC4_FCP; 978 } 979 if (rport) { 980 /* We need to update the rport role values */ 981 roles = FC_RPORT_ROLE_UNKNOWN; 982 if (ndlp->nlp_type & NLP_FCP_INITIATOR) 983 roles |= FC_RPORT_ROLE_FCP_INITIATOR; 984 if (ndlp->nlp_type & NLP_FCP_TARGET) 985 roles |= FC_RPORT_ROLE_FCP_TARGET; 986 987 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, 988 "rport rolechg: role:x%x did:x%x flg:x%x", 989 roles, ndlp->nlp_DID, ndlp->nlp_flag); 990 991 if (vport->cfg_enable_fc4_type != LPFC_ENABLE_NVME) 992 fc_remote_port_rolechg(rport, roles); 993 } 994 } 995 996 static uint32_t 997 lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) 998 { 999 if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) { 1000 spin_lock_irq(&ndlp->lock); 1001 ndlp->nlp_flag &= ~NLP_NPR_ADISC; 1002 spin_unlock_irq(&ndlp->lock); 1003 return 0; 1004 } 1005 1006 if (!(vport->fc_flag & FC_PT2PT)) { 1007 /* Check config parameter use-adisc or FCP-2 */ 1008 if (vport->cfg_use_adisc && ((vport->fc_flag & FC_RSCN_MODE) || 1009 ((ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) && 1010 (ndlp->nlp_type & NLP_FCP_TARGET)))) { 1011 spin_lock_irq(&ndlp->lock); 1012 ndlp->nlp_flag |= NLP_NPR_ADISC; 1013 spin_unlock_irq(&ndlp->lock); 1014 return 1; 1015 } 1016 } 1017 1018 spin_lock_irq(&ndlp->lock); 1019 ndlp->nlp_flag &= ~NLP_NPR_ADISC; 1020 spin_unlock_irq(&ndlp->lock); 1021 lpfc_unreg_rpi(vport, ndlp); 1022 return 0; 1023 } 1024 1025 /** 1026 * lpfc_release_rpi - Release a RPI by issuing unreg_login mailbox cmd. 1027 * @phba : Pointer to lpfc_hba structure. 1028 * @vport: Pointer to lpfc_vport structure. 1029 * @ndlp: Pointer to lpfc_nodelist structure. 1030 * @rpi : rpi to be release. 1031 * 1032 * This function will send a unreg_login mailbox command to the firmware 1033 * to release a rpi. 1034 **/ 1035 static void 1036 lpfc_release_rpi(struct lpfc_hba *phba, struct lpfc_vport *vport, 1037 struct lpfc_nodelist *ndlp, uint16_t rpi) 1038 { 1039 LPFC_MBOXQ_t *pmb; 1040 int rc; 1041 1042 /* If there is already an UNREG in progress for this ndlp, 1043 * no need to queue up another one. 1044 */ 1045 if (ndlp->nlp_flag & NLP_UNREG_INP) { 1046 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1047 "1435 release_rpi SKIP UNREG x%x on " 1048 "NPort x%x deferred x%x flg x%x " 1049 "Data: x%px\n", 1050 ndlp->nlp_rpi, ndlp->nlp_DID, 1051 ndlp->nlp_defer_did, 1052 ndlp->nlp_flag, ndlp); 1053 return; 1054 } 1055 1056 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, 1057 GFP_KERNEL); 1058 if (!pmb) 1059 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1060 "2796 mailbox memory allocation failed \n"); 1061 else { 1062 lpfc_unreg_login(phba, vport->vpi, rpi, pmb); 1063 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 1064 pmb->vport = vport; 1065 pmb->ctx_ndlp = lpfc_nlp_get(ndlp); 1066 if (!pmb->ctx_ndlp) { 1067 mempool_free(pmb, phba->mbox_mem_pool); 1068 return; 1069 } 1070 1071 if (((ndlp->nlp_DID & Fabric_DID_MASK) != Fabric_DID_MASK) && 1072 (!(vport->fc_flag & FC_OFFLINE_MODE))) 1073 ndlp->nlp_flag |= NLP_UNREG_INP; 1074 1075 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1076 "1437 release_rpi UNREG x%x " 1077 "on NPort x%x flg x%x\n", 1078 ndlp->nlp_rpi, ndlp->nlp_DID, ndlp->nlp_flag); 1079 1080 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); 1081 if (rc == MBX_NOT_FINISHED) 1082 mempool_free(pmb, phba->mbox_mem_pool); 1083 } 1084 } 1085 1086 static uint32_t 1087 lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1088 void *arg, uint32_t evt) 1089 { 1090 struct lpfc_hba *phba; 1091 LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; 1092 uint16_t rpi; 1093 1094 phba = vport->phba; 1095 /* Release the RPI if reglogin completing */ 1096 if (!(phba->pport->load_flag & FC_UNLOADING) && 1097 (evt == NLP_EVT_CMPL_REG_LOGIN) && 1098 (!pmb->u.mb.mbxStatus)) { 1099 rpi = pmb->u.mb.un.varWords[0]; 1100 lpfc_release_rpi(phba, vport, ndlp, rpi); 1101 } 1102 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1103 "0271 Illegal State Transition: node x%x " 1104 "event x%x, state x%x Data: x%x x%x\n", 1105 ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, 1106 ndlp->nlp_flag); 1107 return ndlp->nlp_state; 1108 } 1109 1110 static uint32_t 1111 lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1112 void *arg, uint32_t evt) 1113 { 1114 /* This transition is only legal if we previously 1115 * rcv'ed a PLOGI. Since we don't want 2 discovery threads 1116 * working on the same NPortID, do nothing for this thread 1117 * to stop it. 1118 */ 1119 if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { 1120 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1121 "0272 Illegal State Transition: node x%x " 1122 "event x%x, state x%x Data: x%x x%x\n", 1123 ndlp->nlp_DID, evt, ndlp->nlp_state, 1124 ndlp->nlp_rpi, ndlp->nlp_flag); 1125 } 1126 return ndlp->nlp_state; 1127 } 1128 1129 /* Start of Discovery State Machine routines */ 1130 1131 static uint32_t 1132 lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1133 void *arg, uint32_t evt) 1134 { 1135 struct lpfc_iocbq *cmdiocb; 1136 1137 cmdiocb = (struct lpfc_iocbq *) arg; 1138 1139 if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { 1140 return ndlp->nlp_state; 1141 } 1142 return NLP_STE_FREED_NODE; 1143 } 1144 1145 static uint32_t 1146 lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1147 void *arg, uint32_t evt) 1148 { 1149 lpfc_issue_els_logo(vport, ndlp, 0); 1150 return ndlp->nlp_state; 1151 } 1152 1153 static uint32_t 1154 lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1155 void *arg, uint32_t evt) 1156 { 1157 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 1158 1159 spin_lock_irq(&ndlp->lock); 1160 ndlp->nlp_flag |= NLP_LOGO_ACC; 1161 spin_unlock_irq(&ndlp->lock); 1162 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); 1163 1164 return ndlp->nlp_state; 1165 } 1166 1167 static uint32_t 1168 lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1169 void *arg, uint32_t evt) 1170 { 1171 return NLP_STE_FREED_NODE; 1172 } 1173 1174 static uint32_t 1175 lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1176 void *arg, uint32_t evt) 1177 { 1178 return NLP_STE_FREED_NODE; 1179 } 1180 1181 static uint32_t 1182 lpfc_device_recov_unused_node(struct lpfc_vport *vport, 1183 struct lpfc_nodelist *ndlp, 1184 void *arg, uint32_t evt) 1185 { 1186 return ndlp->nlp_state; 1187 } 1188 1189 static uint32_t 1190 lpfc_rcv_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1191 void *arg, uint32_t evt) 1192 { 1193 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 1194 struct lpfc_hba *phba = vport->phba; 1195 struct lpfc_iocbq *cmdiocb = arg; 1196 struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; 1197 uint32_t *lp = (uint32_t *) pcmd->virt; 1198 struct serv_parm *sp = (struct serv_parm *) (lp + 1); 1199 struct ls_rjt stat; 1200 int port_cmp; 1201 1202 memset(&stat, 0, sizeof (struct ls_rjt)); 1203 1204 /* For a PLOGI, we only accept if our portname is less 1205 * than the remote portname. 1206 */ 1207 phba->fc_stat.elsLogiCol++; 1208 port_cmp = memcmp(&vport->fc_portname, &sp->portName, 1209 sizeof(struct lpfc_name)); 1210 1211 if (port_cmp >= 0) { 1212 /* Reject this request because the remote node will accept 1213 ours */ 1214 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; 1215 stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; 1216 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, 1217 NULL); 1218 } else { 1219 if (lpfc_rcv_plogi(vport, ndlp, cmdiocb) && 1220 (ndlp->nlp_flag & NLP_NPR_2B_DISC) && 1221 (vport->num_disc_nodes)) { 1222 spin_lock_irq(&ndlp->lock); 1223 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; 1224 spin_unlock_irq(&ndlp->lock); 1225 /* Check if there are more PLOGIs to be sent */ 1226 lpfc_more_plogi(vport); 1227 if (vport->num_disc_nodes == 0) { 1228 spin_lock_irq(shost->host_lock); 1229 vport->fc_flag &= ~FC_NDISC_ACTIVE; 1230 spin_unlock_irq(shost->host_lock); 1231 lpfc_can_disctmo(vport); 1232 lpfc_end_rscn(vport); 1233 } 1234 } 1235 } /* If our portname was less */ 1236 1237 return ndlp->nlp_state; 1238 } 1239 1240 static uint32_t 1241 lpfc_rcv_prli_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1242 void *arg, uint32_t evt) 1243 { 1244 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 1245 struct ls_rjt stat; 1246 1247 memset(&stat, 0, sizeof (struct ls_rjt)); 1248 stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; 1249 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; 1250 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); 1251 return ndlp->nlp_state; 1252 } 1253 1254 static uint32_t 1255 lpfc_rcv_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1256 void *arg, uint32_t evt) 1257 { 1258 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 1259 1260 /* Retrieve RPI from LOGO IOCB. RPI is used for CMD_ABORT_XRI_CN */ 1261 if (vport->phba->sli_rev == LPFC_SLI_REV3) 1262 ndlp->nlp_rpi = cmdiocb->iocb.ulpIoTag; 1263 /* software abort outstanding PLOGI */ 1264 lpfc_els_abort(vport->phba, ndlp); 1265 1266 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); 1267 return ndlp->nlp_state; 1268 } 1269 1270 static uint32_t 1271 lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1272 void *arg, uint32_t evt) 1273 { 1274 struct lpfc_hba *phba = vport->phba; 1275 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 1276 1277 /* software abort outstanding PLOGI */ 1278 lpfc_els_abort(phba, ndlp); 1279 1280 if (evt == NLP_EVT_RCV_LOGO) { 1281 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); 1282 } else { 1283 lpfc_issue_els_logo(vport, ndlp, 0); 1284 } 1285 1286 /* Put ndlp in npr state set plogi timer for 1 sec */ 1287 mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000 * 1)); 1288 spin_lock_irq(&ndlp->lock); 1289 ndlp->nlp_flag |= NLP_DELAY_TMO; 1290 spin_unlock_irq(&ndlp->lock); 1291 ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; 1292 ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; 1293 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 1294 1295 return ndlp->nlp_state; 1296 } 1297 1298 static uint32_t 1299 lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, 1300 struct lpfc_nodelist *ndlp, 1301 void *arg, 1302 uint32_t evt) 1303 { 1304 struct lpfc_hba *phba = vport->phba; 1305 struct lpfc_iocbq *cmdiocb, *rspiocb; 1306 struct lpfc_dmabuf *pcmd, *prsp, *mp; 1307 uint32_t *lp; 1308 uint32_t vid, flag; 1309 IOCB_t *irsp; 1310 struct serv_parm *sp; 1311 uint32_t ed_tov; 1312 LPFC_MBOXQ_t *mbox; 1313 int rc; 1314 1315 cmdiocb = (struct lpfc_iocbq *) arg; 1316 rspiocb = cmdiocb->context_un.rsp_iocb; 1317 1318 if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { 1319 /* Recovery from PLOGI collision logic */ 1320 return ndlp->nlp_state; 1321 } 1322 1323 irsp = &rspiocb->iocb; 1324 1325 if (irsp->ulpStatus) 1326 goto out; 1327 1328 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; 1329 1330 prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); 1331 if (!prsp) 1332 goto out; 1333 1334 lp = (uint32_t *) prsp->virt; 1335 sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); 1336 1337 /* Some switches have FDMI servers returning 0 for WWN */ 1338 if ((ndlp->nlp_DID != FDMI_DID) && 1339 (wwn_to_u64(sp->portName.u.wwn) == 0 || 1340 wwn_to_u64(sp->nodeName.u.wwn) == 0)) { 1341 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1342 "0142 PLOGI RSP: Invalid WWN.\n"); 1343 goto out; 1344 } 1345 if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0)) 1346 goto out; 1347 /* PLOGI chkparm OK */ 1348 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, 1349 "0121 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", 1350 ndlp->nlp_DID, ndlp->nlp_state, 1351 ndlp->nlp_flag, ndlp->nlp_rpi); 1352 if (vport->cfg_fcp_class == 2 && (sp->cls2.classValid)) 1353 ndlp->nlp_fcp_info |= CLASS2; 1354 else 1355 ndlp->nlp_fcp_info |= CLASS3; 1356 1357 ndlp->nlp_class_sup = 0; 1358 if (sp->cls1.classValid) 1359 ndlp->nlp_class_sup |= FC_COS_CLASS1; 1360 if (sp->cls2.classValid) 1361 ndlp->nlp_class_sup |= FC_COS_CLASS2; 1362 if (sp->cls3.classValid) 1363 ndlp->nlp_class_sup |= FC_COS_CLASS3; 1364 if (sp->cls4.classValid) 1365 ndlp->nlp_class_sup |= FC_COS_CLASS4; 1366 ndlp->nlp_maxframe = 1367 ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; 1368 1369 if ((vport->fc_flag & FC_PT2PT) && 1370 (vport->fc_flag & FC_PT2PT_PLOGI)) { 1371 ed_tov = be32_to_cpu(sp->cmn.e_d_tov); 1372 if (sp->cmn.edtovResolution) { 1373 /* E_D_TOV ticks are in nanoseconds */ 1374 ed_tov = (phba->fc_edtov + 999999) / 1000000; 1375 } 1376 1377 ndlp->nlp_flag &= ~NLP_SUPPRESS_RSP; 1378 if ((phba->sli.sli_flag & LPFC_SLI_SUPPRESS_RSP) && 1379 sp->cmn.valid_vendor_ver_level) { 1380 vid = be32_to_cpu(sp->un.vv.vid); 1381 flag = be32_to_cpu(sp->un.vv.flags); 1382 if ((vid == LPFC_VV_EMLX_ID) && 1383 (flag & LPFC_VV_SUPPRESS_RSP)) 1384 ndlp->nlp_flag |= NLP_SUPPRESS_RSP; 1385 } 1386 1387 /* 1388 * Use the larger EDTOV 1389 * RATOV = 2 * EDTOV for pt-to-pt 1390 */ 1391 if (ed_tov > phba->fc_edtov) 1392 phba->fc_edtov = ed_tov; 1393 phba->fc_ratov = (2 * phba->fc_edtov) / 1000; 1394 1395 memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); 1396 1397 /* Issue config_link / reg_vfi to account for updated TOV's */ 1398 if (phba->sli_rev == LPFC_SLI_REV4) { 1399 lpfc_issue_reg_vfi(vport); 1400 } else { 1401 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 1402 if (!mbox) { 1403 lpfc_printf_vlog(vport, KERN_ERR, 1404 LOG_TRACE_EVENT, 1405 "0133 PLOGI: no memory " 1406 "for config_link " 1407 "Data: x%x x%x x%x x%x\n", 1408 ndlp->nlp_DID, ndlp->nlp_state, 1409 ndlp->nlp_flag, ndlp->nlp_rpi); 1410 goto out; 1411 } 1412 1413 lpfc_config_link(phba, mbox); 1414 1415 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 1416 mbox->vport = vport; 1417 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); 1418 if (rc == MBX_NOT_FINISHED) { 1419 mempool_free(mbox, phba->mbox_mem_pool); 1420 goto out; 1421 } 1422 } 1423 } 1424 1425 lpfc_unreg_rpi(vport, ndlp); 1426 1427 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); 1428 if (!mbox) { 1429 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1430 "0018 PLOGI: no memory for reg_login " 1431 "Data: x%x x%x x%x x%x\n", 1432 ndlp->nlp_DID, ndlp->nlp_state, 1433 ndlp->nlp_flag, ndlp->nlp_rpi); 1434 goto out; 1435 } 1436 1437 if (lpfc_reg_rpi(phba, vport->vpi, irsp->un.elsreq64.remoteID, 1438 (uint8_t *) sp, mbox, ndlp->nlp_rpi) == 0) { 1439 switch (ndlp->nlp_DID) { 1440 case NameServer_DID: 1441 mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login; 1442 /* Fabric Controller Node needs these parameters. */ 1443 memcpy(&ndlp->fc_sparam, sp, sizeof(struct serv_parm)); 1444 break; 1445 case FDMI_DID: 1446 mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login; 1447 break; 1448 default: 1449 ndlp->nlp_flag |= NLP_REG_LOGIN_SEND; 1450 mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; 1451 } 1452 1453 mbox->ctx_ndlp = lpfc_nlp_get(ndlp); 1454 if (!mbox->ctx_ndlp) 1455 goto out; 1456 1457 mbox->vport = vport; 1458 if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) 1459 != MBX_NOT_FINISHED) { 1460 lpfc_nlp_set_state(vport, ndlp, 1461 NLP_STE_REG_LOGIN_ISSUE); 1462 return ndlp->nlp_state; 1463 } 1464 if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND) 1465 ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; 1466 /* decrement node reference count to the failed mbox 1467 * command 1468 */ 1469 lpfc_nlp_put(ndlp); 1470 mp = (struct lpfc_dmabuf *)mbox->ctx_buf; 1471 lpfc_mbuf_free(phba, mp->virt, mp->phys); 1472 kfree(mp); 1473 mempool_free(mbox, phba->mbox_mem_pool); 1474 1475 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1476 "0134 PLOGI: cannot issue reg_login " 1477 "Data: x%x x%x x%x x%x\n", 1478 ndlp->nlp_DID, ndlp->nlp_state, 1479 ndlp->nlp_flag, ndlp->nlp_rpi); 1480 } else { 1481 mempool_free(mbox, phba->mbox_mem_pool); 1482 1483 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1484 "0135 PLOGI: cannot format reg_login " 1485 "Data: x%x x%x x%x x%x\n", 1486 ndlp->nlp_DID, ndlp->nlp_state, 1487 ndlp->nlp_flag, ndlp->nlp_rpi); 1488 } 1489 1490 1491 out: 1492 if (ndlp->nlp_DID == NameServer_DID) { 1493 lpfc_vport_set_state(vport, FC_VPORT_FAILED); 1494 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1495 "0261 Cannot Register NameServer login\n"); 1496 } 1497 1498 /* 1499 ** In case the node reference counter does not go to zero, ensure that 1500 ** the stale state for the node is not processed. 1501 */ 1502 1503 ndlp->nlp_prev_state = ndlp->nlp_state; 1504 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 1505 return NLP_STE_FREED_NODE; 1506 } 1507 1508 static uint32_t 1509 lpfc_cmpl_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1510 void *arg, uint32_t evt) 1511 { 1512 return ndlp->nlp_state; 1513 } 1514 1515 static uint32_t 1516 lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport, 1517 struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) 1518 { 1519 struct lpfc_hba *phba; 1520 LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; 1521 MAILBOX_t *mb = &pmb->u.mb; 1522 uint16_t rpi; 1523 1524 phba = vport->phba; 1525 /* Release the RPI */ 1526 if (!(phba->pport->load_flag & FC_UNLOADING) && 1527 !mb->mbxStatus) { 1528 rpi = pmb->u.mb.un.varWords[0]; 1529 lpfc_release_rpi(phba, vport, ndlp, rpi); 1530 } 1531 return ndlp->nlp_state; 1532 } 1533 1534 static uint32_t 1535 lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1536 void *arg, uint32_t evt) 1537 { 1538 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { 1539 spin_lock_irq(&ndlp->lock); 1540 ndlp->nlp_flag |= NLP_NODEV_REMOVE; 1541 spin_unlock_irq(&ndlp->lock); 1542 return ndlp->nlp_state; 1543 } else { 1544 /* software abort outstanding PLOGI */ 1545 lpfc_els_abort(vport->phba, ndlp); 1546 1547 lpfc_drop_node(vport, ndlp); 1548 return NLP_STE_FREED_NODE; 1549 } 1550 } 1551 1552 static uint32_t 1553 lpfc_device_recov_plogi_issue(struct lpfc_vport *vport, 1554 struct lpfc_nodelist *ndlp, 1555 void *arg, 1556 uint32_t evt) 1557 { 1558 struct lpfc_hba *phba = vport->phba; 1559 1560 /* Don't do anything that will mess up processing of the 1561 * previous RSCN. 1562 */ 1563 if (vport->fc_flag & FC_RSCN_DEFERRED) 1564 return ndlp->nlp_state; 1565 1566 /* software abort outstanding PLOGI */ 1567 lpfc_els_abort(phba, ndlp); 1568 1569 ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; 1570 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 1571 spin_lock_irq(&ndlp->lock); 1572 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); 1573 spin_unlock_irq(&ndlp->lock); 1574 1575 return ndlp->nlp_state; 1576 } 1577 1578 static uint32_t 1579 lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1580 void *arg, uint32_t evt) 1581 { 1582 struct lpfc_hba *phba = vport->phba; 1583 struct lpfc_iocbq *cmdiocb; 1584 1585 /* software abort outstanding ADISC */ 1586 lpfc_els_abort(phba, ndlp); 1587 1588 cmdiocb = (struct lpfc_iocbq *) arg; 1589 1590 if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { 1591 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { 1592 spin_lock_irq(&ndlp->lock); 1593 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; 1594 spin_unlock_irq(&ndlp->lock); 1595 if (vport->num_disc_nodes) 1596 lpfc_more_adisc(vport); 1597 } 1598 return ndlp->nlp_state; 1599 } 1600 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; 1601 lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); 1602 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); 1603 1604 return ndlp->nlp_state; 1605 } 1606 1607 static uint32_t 1608 lpfc_rcv_prli_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1609 void *arg, uint32_t evt) 1610 { 1611 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 1612 1613 if (lpfc_rcv_prli_support_check(vport, ndlp, cmdiocb)) 1614 lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); 1615 return ndlp->nlp_state; 1616 } 1617 1618 static uint32_t 1619 lpfc_rcv_logo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1620 void *arg, uint32_t evt) 1621 { 1622 struct lpfc_hba *phba = vport->phba; 1623 struct lpfc_iocbq *cmdiocb; 1624 1625 cmdiocb = (struct lpfc_iocbq *) arg; 1626 1627 /* software abort outstanding ADISC */ 1628 lpfc_els_abort(phba, ndlp); 1629 1630 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); 1631 return ndlp->nlp_state; 1632 } 1633 1634 static uint32_t 1635 lpfc_rcv_padisc_adisc_issue(struct lpfc_vport *vport, 1636 struct lpfc_nodelist *ndlp, 1637 void *arg, uint32_t evt) 1638 { 1639 struct lpfc_iocbq *cmdiocb; 1640 1641 cmdiocb = (struct lpfc_iocbq *) arg; 1642 1643 lpfc_rcv_padisc(vport, ndlp, cmdiocb); 1644 return ndlp->nlp_state; 1645 } 1646 1647 static uint32_t 1648 lpfc_rcv_prlo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1649 void *arg, uint32_t evt) 1650 { 1651 struct lpfc_iocbq *cmdiocb; 1652 1653 cmdiocb = (struct lpfc_iocbq *) arg; 1654 1655 /* Treat like rcv logo */ 1656 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); 1657 return ndlp->nlp_state; 1658 } 1659 1660 static uint32_t 1661 lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, 1662 struct lpfc_nodelist *ndlp, 1663 void *arg, uint32_t evt) 1664 { 1665 struct lpfc_hba *phba = vport->phba; 1666 struct lpfc_iocbq *cmdiocb, *rspiocb; 1667 IOCB_t *irsp; 1668 ADISC *ap; 1669 int rc; 1670 1671 cmdiocb = (struct lpfc_iocbq *) arg; 1672 rspiocb = cmdiocb->context_un.rsp_iocb; 1673 1674 ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); 1675 irsp = &rspiocb->iocb; 1676 1677 if ((irsp->ulpStatus) || 1678 (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) { 1679 /* 1 sec timeout */ 1680 mod_timer(&ndlp->nlp_delayfunc, 1681 jiffies + msecs_to_jiffies(1000)); 1682 spin_lock_irq(&ndlp->lock); 1683 ndlp->nlp_flag |= NLP_DELAY_TMO; 1684 spin_unlock_irq(&ndlp->lock); 1685 ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; 1686 1687 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; 1688 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 1689 lpfc_unreg_rpi(vport, ndlp); 1690 return ndlp->nlp_state; 1691 } 1692 1693 if (phba->sli_rev == LPFC_SLI_REV4) { 1694 rc = lpfc_sli4_resume_rpi(ndlp, NULL, NULL); 1695 if (rc) { 1696 /* Stay in state and retry. */ 1697 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; 1698 return ndlp->nlp_state; 1699 } 1700 } 1701 1702 if (ndlp->nlp_type & NLP_FCP_TARGET) 1703 ndlp->nlp_fc4_type |= NLP_FC4_FCP; 1704 1705 if (ndlp->nlp_type & NLP_NVME_TARGET) 1706 ndlp->nlp_fc4_type |= NLP_FC4_NVME; 1707 1708 if (ndlp->nlp_type & (NLP_FCP_TARGET | NLP_NVME_TARGET)) { 1709 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; 1710 lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); 1711 } else { 1712 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; 1713 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); 1714 } 1715 1716 return ndlp->nlp_state; 1717 } 1718 1719 static uint32_t 1720 lpfc_device_rm_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 1721 void *arg, uint32_t evt) 1722 { 1723 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { 1724 spin_lock_irq(&ndlp->lock); 1725 ndlp->nlp_flag |= NLP_NODEV_REMOVE; 1726 spin_unlock_irq(&ndlp->lock); 1727 return ndlp->nlp_state; 1728 } else { 1729 /* software abort outstanding ADISC */ 1730 lpfc_els_abort(vport->phba, ndlp); 1731 1732 lpfc_drop_node(vport, ndlp); 1733 return NLP_STE_FREED_NODE; 1734 } 1735 } 1736 1737 static uint32_t 1738 lpfc_device_recov_adisc_issue(struct lpfc_vport *vport, 1739 struct lpfc_nodelist *ndlp, 1740 void *arg, 1741 uint32_t evt) 1742 { 1743 struct lpfc_hba *phba = vport->phba; 1744 1745 /* Don't do anything that will mess up processing of the 1746 * previous RSCN. 1747 */ 1748 if (vport->fc_flag & FC_RSCN_DEFERRED) 1749 return ndlp->nlp_state; 1750 1751 /* software abort outstanding ADISC */ 1752 lpfc_els_abort(phba, ndlp); 1753 1754 ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; 1755 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 1756 spin_lock_irq(&ndlp->lock); 1757 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); 1758 spin_unlock_irq(&ndlp->lock); 1759 lpfc_disc_set_adisc(vport, ndlp); 1760 return ndlp->nlp_state; 1761 } 1762 1763 static uint32_t 1764 lpfc_rcv_plogi_reglogin_issue(struct lpfc_vport *vport, 1765 struct lpfc_nodelist *ndlp, 1766 void *arg, 1767 uint32_t evt) 1768 { 1769 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 1770 1771 lpfc_rcv_plogi(vport, ndlp, cmdiocb); 1772 return ndlp->nlp_state; 1773 } 1774 1775 static uint32_t 1776 lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport, 1777 struct lpfc_nodelist *ndlp, 1778 void *arg, 1779 uint32_t evt) 1780 { 1781 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 1782 struct ls_rjt stat; 1783 1784 if (!lpfc_rcv_prli_support_check(vport, ndlp, cmdiocb)) { 1785 return ndlp->nlp_state; 1786 } 1787 if (vport->phba->nvmet_support) { 1788 /* NVME Target mode. Handle and respond to the PRLI and 1789 * transition to UNMAPPED provided the RPI has completed 1790 * registration. 1791 */ 1792 if (ndlp->nlp_flag & NLP_RPI_REGISTERED) { 1793 lpfc_rcv_prli(vport, ndlp, cmdiocb); 1794 lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); 1795 } else { 1796 /* RPI registration has not completed. Reject the PRLI 1797 * to prevent an illegal state transition when the 1798 * rpi registration does complete. 1799 */ 1800 memset(&stat, 0, sizeof(struct ls_rjt)); 1801 stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; 1802 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; 1803 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, 1804 ndlp, NULL); 1805 return ndlp->nlp_state; 1806 } 1807 } else { 1808 /* Initiator mode. */ 1809 lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); 1810 } 1811 return ndlp->nlp_state; 1812 } 1813 1814 static uint32_t 1815 lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport, 1816 struct lpfc_nodelist *ndlp, 1817 void *arg, 1818 uint32_t evt) 1819 { 1820 struct lpfc_hba *phba = vport->phba; 1821 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 1822 LPFC_MBOXQ_t *mb; 1823 LPFC_MBOXQ_t *nextmb; 1824 struct lpfc_dmabuf *mp; 1825 struct lpfc_nodelist *ns_ndlp; 1826 1827 cmdiocb = (struct lpfc_iocbq *) arg; 1828 1829 /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ 1830 if ((mb = phba->sli.mbox_active)) { 1831 if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && 1832 (ndlp == (struct lpfc_nodelist *)mb->ctx_ndlp)) { 1833 ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; 1834 lpfc_nlp_put(ndlp); 1835 mb->ctx_ndlp = NULL; 1836 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; 1837 } 1838 } 1839 1840 spin_lock_irq(&phba->hbalock); 1841 list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { 1842 if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && 1843 (ndlp == (struct lpfc_nodelist *)mb->ctx_ndlp)) { 1844 mp = (struct lpfc_dmabuf *)(mb->ctx_buf); 1845 if (mp) { 1846 __lpfc_mbuf_free(phba, mp->virt, mp->phys); 1847 kfree(mp); 1848 } 1849 ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; 1850 lpfc_nlp_put(ndlp); 1851 list_del(&mb->list); 1852 phba->sli.mboxq_cnt--; 1853 mempool_free(mb, phba->mbox_mem_pool); 1854 } 1855 } 1856 spin_unlock_irq(&phba->hbalock); 1857 1858 /* software abort if any GID_FT is outstanding */ 1859 if (vport->cfg_enable_fc4_type != LPFC_ENABLE_FCP) { 1860 ns_ndlp = lpfc_findnode_did(vport, NameServer_DID); 1861 if (ns_ndlp) 1862 lpfc_els_abort(phba, ns_ndlp); 1863 } 1864 1865 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); 1866 return ndlp->nlp_state; 1867 } 1868 1869 static uint32_t 1870 lpfc_rcv_padisc_reglogin_issue(struct lpfc_vport *vport, 1871 struct lpfc_nodelist *ndlp, 1872 void *arg, 1873 uint32_t evt) 1874 { 1875 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 1876 1877 lpfc_rcv_padisc(vport, ndlp, cmdiocb); 1878 return ndlp->nlp_state; 1879 } 1880 1881 static uint32_t 1882 lpfc_rcv_prlo_reglogin_issue(struct lpfc_vport *vport, 1883 struct lpfc_nodelist *ndlp, 1884 void *arg, 1885 uint32_t evt) 1886 { 1887 struct lpfc_iocbq *cmdiocb; 1888 1889 cmdiocb = (struct lpfc_iocbq *) arg; 1890 lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); 1891 return ndlp->nlp_state; 1892 } 1893 1894 static uint32_t 1895 lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, 1896 struct lpfc_nodelist *ndlp, 1897 void *arg, 1898 uint32_t evt) 1899 { 1900 struct lpfc_hba *phba = vport->phba; 1901 LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; 1902 MAILBOX_t *mb = &pmb->u.mb; 1903 uint32_t did = mb->un.varWords[1]; 1904 1905 if (mb->mbxStatus) { 1906 /* RegLogin failed */ 1907 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1908 "0246 RegLogin failed Data: x%x x%x x%x x%x " 1909 "x%x\n", 1910 did, mb->mbxStatus, vport->port_state, 1911 mb->un.varRegLogin.vpi, 1912 mb->un.varRegLogin.rpi); 1913 /* 1914 * If RegLogin failed due to lack of HBA resources do not 1915 * retry discovery. 1916 */ 1917 if (mb->mbxStatus == MBXERR_RPI_FULL) { 1918 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; 1919 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 1920 return ndlp->nlp_state; 1921 } 1922 1923 /* Put ndlp in npr state set plogi timer for 1 sec */ 1924 mod_timer(&ndlp->nlp_delayfunc, 1925 jiffies + msecs_to_jiffies(1000 * 1)); 1926 spin_lock_irq(&ndlp->lock); 1927 ndlp->nlp_flag |= NLP_DELAY_TMO; 1928 spin_unlock_irq(&ndlp->lock); 1929 ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; 1930 1931 lpfc_issue_els_logo(vport, ndlp, 0); 1932 return ndlp->nlp_state; 1933 } 1934 1935 /* SLI4 ports have preallocated logical rpis. */ 1936 if (phba->sli_rev < LPFC_SLI_REV4) 1937 ndlp->nlp_rpi = mb->un.varWords[0]; 1938 1939 ndlp->nlp_flag |= NLP_RPI_REGISTERED; 1940 1941 /* Only if we are not a fabric nport do we issue PRLI */ 1942 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1943 "3066 RegLogin Complete on x%x x%x x%x\n", 1944 did, ndlp->nlp_type, ndlp->nlp_fc4_type); 1945 if (!(ndlp->nlp_type & NLP_FABRIC) && 1946 (phba->nvmet_support == 0)) { 1947 /* The driver supports FCP and NVME concurrently. If the 1948 * ndlp's nlp_fc4_type is still zero, the driver doesn't 1949 * know what PRLI to send yet. Figure that out now and 1950 * call PRLI depending on the outcome. 1951 */ 1952 if (vport->fc_flag & FC_PT2PT) { 1953 /* If we are pt2pt, there is no Fabric to determine 1954 * the FC4 type of the remote nport. So if NVME 1955 * is configured try it. 1956 */ 1957 ndlp->nlp_fc4_type |= NLP_FC4_FCP; 1958 if ((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) || 1959 (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) { 1960 ndlp->nlp_fc4_type |= NLP_FC4_NVME; 1961 /* We need to update the localport also */ 1962 lpfc_nvme_update_localport(vport); 1963 } 1964 1965 } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { 1966 ndlp->nlp_fc4_type |= NLP_FC4_FCP; 1967 1968 } else if (ndlp->nlp_fc4_type == 0) { 1969 /* If we are only configured for FCP, the driver 1970 * should just issue PRLI for FCP. Otherwise issue 1971 * GFT_ID to determine if remote port supports NVME. 1972 */ 1973 if (vport->cfg_enable_fc4_type != LPFC_ENABLE_FCP) { 1974 lpfc_ns_cmd(vport, SLI_CTNS_GFT_ID, 0, 1975 ndlp->nlp_DID); 1976 return ndlp->nlp_state; 1977 } 1978 ndlp->nlp_fc4_type = NLP_FC4_FCP; 1979 } 1980 1981 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; 1982 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); 1983 if (lpfc_issue_els_prli(vport, ndlp, 0)) { 1984 lpfc_issue_els_logo(vport, ndlp, 0); 1985 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; 1986 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 1987 } 1988 } else { 1989 if ((vport->fc_flag & FC_PT2PT) && phba->nvmet_support) 1990 phba->targetport->port_id = vport->fc_myDID; 1991 1992 /* Only Fabric ports should transition. NVME target 1993 * must complete PRLI. 1994 */ 1995 if (ndlp->nlp_type & NLP_FABRIC) { 1996 ndlp->nlp_fc4_type &= ~NLP_FC4_FCP; 1997 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; 1998 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); 1999 } 2000 } 2001 return ndlp->nlp_state; 2002 } 2003 2004 static uint32_t 2005 lpfc_device_rm_reglogin_issue(struct lpfc_vport *vport, 2006 struct lpfc_nodelist *ndlp, 2007 void *arg, 2008 uint32_t evt) 2009 { 2010 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { 2011 spin_lock_irq(&ndlp->lock); 2012 ndlp->nlp_flag |= NLP_NODEV_REMOVE; 2013 spin_unlock_irq(&ndlp->lock); 2014 return ndlp->nlp_state; 2015 } else { 2016 lpfc_drop_node(vport, ndlp); 2017 return NLP_STE_FREED_NODE; 2018 } 2019 } 2020 2021 static uint32_t 2022 lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport, 2023 struct lpfc_nodelist *ndlp, 2024 void *arg, 2025 uint32_t evt) 2026 { 2027 /* Don't do anything that will mess up processing of the 2028 * previous RSCN. 2029 */ 2030 if (vport->fc_flag & FC_RSCN_DEFERRED) 2031 return ndlp->nlp_state; 2032 2033 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; 2034 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 2035 spin_lock_irq(&ndlp->lock); 2036 2037 /* If we are a target we won't immediately transition into PRLI, 2038 * so if REG_LOGIN already completed we don't need to ignore it. 2039 */ 2040 if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED) || 2041 !vport->phba->nvmet_support) 2042 ndlp->nlp_flag |= NLP_IGNR_REG_CMPL; 2043 2044 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); 2045 spin_unlock_irq(&ndlp->lock); 2046 lpfc_disc_set_adisc(vport, ndlp); 2047 return ndlp->nlp_state; 2048 } 2049 2050 static uint32_t 2051 lpfc_rcv_plogi_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2052 void *arg, uint32_t evt) 2053 { 2054 struct lpfc_iocbq *cmdiocb; 2055 2056 cmdiocb = (struct lpfc_iocbq *) arg; 2057 2058 lpfc_rcv_plogi(vport, ndlp, cmdiocb); 2059 return ndlp->nlp_state; 2060 } 2061 2062 static uint32_t 2063 lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2064 void *arg, uint32_t evt) 2065 { 2066 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2067 2068 if (!lpfc_rcv_prli_support_check(vport, ndlp, cmdiocb)) 2069 return ndlp->nlp_state; 2070 lpfc_rcv_prli(vport, ndlp, cmdiocb); 2071 lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); 2072 return ndlp->nlp_state; 2073 } 2074 2075 static uint32_t 2076 lpfc_rcv_logo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2077 void *arg, uint32_t evt) 2078 { 2079 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2080 2081 /* Software abort outstanding PRLI before sending acc */ 2082 lpfc_els_abort(vport->phba, ndlp); 2083 2084 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); 2085 return ndlp->nlp_state; 2086 } 2087 2088 static uint32_t 2089 lpfc_rcv_padisc_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2090 void *arg, uint32_t evt) 2091 { 2092 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2093 2094 lpfc_rcv_padisc(vport, ndlp, cmdiocb); 2095 return ndlp->nlp_state; 2096 } 2097 2098 /* This routine is envoked when we rcv a PRLO request from a nport 2099 * we are logged into. We should send back a PRLO rsp setting the 2100 * appropriate bits. 2101 * NEXT STATE = PRLI_ISSUE 2102 */ 2103 static uint32_t 2104 lpfc_rcv_prlo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2105 void *arg, uint32_t evt) 2106 { 2107 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2108 2109 lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); 2110 return ndlp->nlp_state; 2111 } 2112 2113 static uint32_t 2114 lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2115 void *arg, uint32_t evt) 2116 { 2117 struct lpfc_iocbq *cmdiocb, *rspiocb; 2118 struct lpfc_hba *phba = vport->phba; 2119 IOCB_t *irsp; 2120 PRLI *npr; 2121 struct lpfc_nvme_prli *nvpr; 2122 void *temp_ptr; 2123 2124 cmdiocb = (struct lpfc_iocbq *) arg; 2125 rspiocb = cmdiocb->context_un.rsp_iocb; 2126 2127 /* A solicited PRLI is either FCP or NVME. The PRLI cmd/rsp 2128 * format is different so NULL the two PRLI types so that the 2129 * driver correctly gets the correct context. 2130 */ 2131 npr = NULL; 2132 nvpr = NULL; 2133 temp_ptr = lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); 2134 if (cmdiocb->iocb_flag & LPFC_PRLI_FCP_REQ) 2135 npr = (PRLI *) temp_ptr; 2136 else if (cmdiocb->iocb_flag & LPFC_PRLI_NVME_REQ) 2137 nvpr = (struct lpfc_nvme_prli *) temp_ptr; 2138 2139 irsp = &rspiocb->iocb; 2140 if (irsp->ulpStatus) { 2141 if ((vport->port_type == LPFC_NPIV_PORT) && 2142 vport->cfg_restrict_login) { 2143 goto out; 2144 } 2145 2146 /* Adjust the nlp_type accordingly if the PRLI failed */ 2147 if (npr) 2148 ndlp->nlp_fc4_type &= ~NLP_FC4_FCP; 2149 if (nvpr) 2150 ndlp->nlp_fc4_type &= ~NLP_FC4_NVME; 2151 2152 /* We can't set the DSM state till BOTH PRLIs complete */ 2153 goto out_err; 2154 } 2155 2156 if (npr && (npr->acceptRspCode == PRLI_REQ_EXECUTED) && 2157 (npr->prliType == PRLI_FCP_TYPE)) { 2158 lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC, 2159 "6028 FCP NPR PRLI Cmpl Init %d Target %d\n", 2160 npr->initiatorFunc, 2161 npr->targetFunc); 2162 if (npr->initiatorFunc) 2163 ndlp->nlp_type |= NLP_FCP_INITIATOR; 2164 if (npr->targetFunc) { 2165 ndlp->nlp_type |= NLP_FCP_TARGET; 2166 if (npr->writeXferRdyDis) 2167 ndlp->nlp_flag |= NLP_FIRSTBURST; 2168 } 2169 if (npr->Retry) 2170 ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; 2171 2172 } else if (nvpr && 2173 (bf_get_be32(prli_acc_rsp_code, nvpr) == 2174 PRLI_REQ_EXECUTED) && 2175 (bf_get_be32(prli_type_code, nvpr) == 2176 PRLI_NVME_TYPE)) { 2177 2178 /* Complete setting up the remote ndlp personality. */ 2179 if (bf_get_be32(prli_init, nvpr)) 2180 ndlp->nlp_type |= NLP_NVME_INITIATOR; 2181 2182 if (phba->nsler && bf_get_be32(prli_nsler, nvpr) && 2183 bf_get_be32(prli_conf, nvpr)) 2184 2185 ndlp->nlp_nvme_info |= NLP_NVME_NSLER; 2186 else 2187 ndlp->nlp_nvme_info &= ~NLP_NVME_NSLER; 2188 2189 /* Target driver cannot solicit NVME FB. */ 2190 if (bf_get_be32(prli_tgt, nvpr)) { 2191 /* Complete the nvme target roles. The transport 2192 * needs to know if the rport is capable of 2193 * discovery in addition to its role. 2194 */ 2195 ndlp->nlp_type |= NLP_NVME_TARGET; 2196 if (bf_get_be32(prli_disc, nvpr)) 2197 ndlp->nlp_type |= NLP_NVME_DISCOVERY; 2198 2199 /* 2200 * If prli_fba is set, the Target supports FirstBurst. 2201 * If prli_fb_sz is 0, the FirstBurst size is unlimited, 2202 * otherwise it defines the actual size supported by 2203 * the NVME Target. 2204 */ 2205 if ((bf_get_be32(prli_fba, nvpr) == 1) && 2206 (phba->cfg_nvme_enable_fb) && 2207 (!phba->nvmet_support)) { 2208 /* Both sides support FB. The target's first 2209 * burst size is a 512 byte encoded value. 2210 */ 2211 ndlp->nlp_flag |= NLP_FIRSTBURST; 2212 ndlp->nvme_fb_size = bf_get_be32(prli_fb_sz, 2213 nvpr); 2214 2215 /* Expressed in units of 512 bytes */ 2216 if (ndlp->nvme_fb_size) 2217 ndlp->nvme_fb_size <<= 2218 LPFC_NVME_FB_SHIFT; 2219 else 2220 ndlp->nvme_fb_size = LPFC_NVME_MAX_FB; 2221 } 2222 } 2223 2224 lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC, 2225 "6029 NVME PRLI Cmpl w1 x%08x " 2226 "w4 x%08x w5 x%08x flag x%x, " 2227 "fcp_info x%x nlp_type x%x\n", 2228 be32_to_cpu(nvpr->word1), 2229 be32_to_cpu(nvpr->word4), 2230 be32_to_cpu(nvpr->word5), 2231 ndlp->nlp_flag, ndlp->nlp_fcp_info, 2232 ndlp->nlp_type); 2233 } 2234 if (!(ndlp->nlp_type & NLP_FCP_TARGET) && 2235 (vport->port_type == LPFC_NPIV_PORT) && 2236 vport->cfg_restrict_login) { 2237 out: 2238 spin_lock_irq(&ndlp->lock); 2239 ndlp->nlp_flag |= NLP_TARGET_REMOVE; 2240 spin_unlock_irq(&ndlp->lock); 2241 lpfc_issue_els_logo(vport, ndlp, 0); 2242 2243 ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; 2244 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 2245 return ndlp->nlp_state; 2246 } 2247 2248 out_err: 2249 /* The ndlp state cannot move to MAPPED or UNMAPPED before all PRLIs 2250 * are complete. 2251 */ 2252 if (ndlp->fc4_prli_sent == 0) { 2253 ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; 2254 if (ndlp->nlp_type & (NLP_FCP_TARGET | NLP_NVME_TARGET)) 2255 lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); 2256 else if (ndlp->nlp_type & 2257 (NLP_FCP_INITIATOR | NLP_NVME_INITIATOR)) 2258 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); 2259 } else 2260 lpfc_printf_vlog(vport, 2261 KERN_INFO, LOG_ELS, 2262 "3067 PRLI's still outstanding " 2263 "on x%06x - count %d, Pend Node Mode " 2264 "transition...\n", 2265 ndlp->nlp_DID, ndlp->fc4_prli_sent); 2266 2267 return ndlp->nlp_state; 2268 } 2269 2270 /*! lpfc_device_rm_prli_issue 2271 * 2272 * \pre 2273 * \post 2274 * \param phba 2275 * \param ndlp 2276 * \param arg 2277 * \param evt 2278 * \return uint32_t 2279 * 2280 * \b Description: 2281 * This routine is envoked when we a request to remove a nport we are in the 2282 * process of PRLIing. We should software abort outstanding prli, unreg 2283 * login, send a logout. We will change node state to UNUSED_NODE, put it 2284 * on plogi list so it can be freed when LOGO completes. 2285 * 2286 */ 2287 2288 static uint32_t 2289 lpfc_device_rm_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2290 void *arg, uint32_t evt) 2291 { 2292 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { 2293 spin_lock_irq(&ndlp->lock); 2294 ndlp->nlp_flag |= NLP_NODEV_REMOVE; 2295 spin_unlock_irq(&ndlp->lock); 2296 return ndlp->nlp_state; 2297 } else { 2298 /* software abort outstanding PLOGI */ 2299 lpfc_els_abort(vport->phba, ndlp); 2300 2301 lpfc_drop_node(vport, ndlp); 2302 return NLP_STE_FREED_NODE; 2303 } 2304 } 2305 2306 2307 /*! lpfc_device_recov_prli_issue 2308 * 2309 * \pre 2310 * \post 2311 * \param phba 2312 * \param ndlp 2313 * \param arg 2314 * \param evt 2315 * \return uint32_t 2316 * 2317 * \b Description: 2318 * The routine is envoked when the state of a device is unknown, like 2319 * during a link down. We should remove the nodelist entry from the 2320 * unmapped list, issue a UNREG_LOGIN, do a software abort of the 2321 * outstanding PRLI command, then free the node entry. 2322 */ 2323 static uint32_t 2324 lpfc_device_recov_prli_issue(struct lpfc_vport *vport, 2325 struct lpfc_nodelist *ndlp, 2326 void *arg, 2327 uint32_t evt) 2328 { 2329 struct lpfc_hba *phba = vport->phba; 2330 2331 /* Don't do anything that will mess up processing of the 2332 * previous RSCN. 2333 */ 2334 if (vport->fc_flag & FC_RSCN_DEFERRED) 2335 return ndlp->nlp_state; 2336 2337 /* software abort outstanding PRLI */ 2338 lpfc_els_abort(phba, ndlp); 2339 2340 ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; 2341 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 2342 spin_lock_irq(&ndlp->lock); 2343 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); 2344 spin_unlock_irq(&ndlp->lock); 2345 lpfc_disc_set_adisc(vport, ndlp); 2346 return ndlp->nlp_state; 2347 } 2348 2349 static uint32_t 2350 lpfc_rcv_plogi_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2351 void *arg, uint32_t evt) 2352 { 2353 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; 2354 struct ls_rjt stat; 2355 2356 memset(&stat, 0, sizeof(struct ls_rjt)); 2357 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; 2358 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; 2359 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); 2360 return ndlp->nlp_state; 2361 } 2362 2363 static uint32_t 2364 lpfc_rcv_prli_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2365 void *arg, uint32_t evt) 2366 { 2367 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; 2368 struct ls_rjt stat; 2369 2370 memset(&stat, 0, sizeof(struct ls_rjt)); 2371 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; 2372 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; 2373 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); 2374 return ndlp->nlp_state; 2375 } 2376 2377 static uint32_t 2378 lpfc_rcv_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2379 void *arg, uint32_t evt) 2380 { 2381 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; 2382 2383 spin_lock_irq(&ndlp->lock); 2384 ndlp->nlp_flag |= NLP_LOGO_ACC; 2385 spin_unlock_irq(&ndlp->lock); 2386 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); 2387 return ndlp->nlp_state; 2388 } 2389 2390 static uint32_t 2391 lpfc_rcv_padisc_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2392 void *arg, uint32_t evt) 2393 { 2394 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; 2395 struct ls_rjt stat; 2396 2397 memset(&stat, 0, sizeof(struct ls_rjt)); 2398 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; 2399 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; 2400 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); 2401 return ndlp->nlp_state; 2402 } 2403 2404 static uint32_t 2405 lpfc_rcv_prlo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2406 void *arg, uint32_t evt) 2407 { 2408 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; 2409 struct ls_rjt stat; 2410 2411 memset(&stat, 0, sizeof(struct ls_rjt)); 2412 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; 2413 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; 2414 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); 2415 return ndlp->nlp_state; 2416 } 2417 2418 static uint32_t 2419 lpfc_cmpl_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2420 void *arg, uint32_t evt) 2421 { 2422 ndlp->nlp_prev_state = NLP_STE_LOGO_ISSUE; 2423 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 2424 spin_lock_irq(&ndlp->lock); 2425 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); 2426 spin_unlock_irq(&ndlp->lock); 2427 lpfc_disc_set_adisc(vport, ndlp); 2428 return ndlp->nlp_state; 2429 } 2430 2431 static uint32_t 2432 lpfc_device_rm_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2433 void *arg, uint32_t evt) 2434 { 2435 /* 2436 * DevLoss has timed out and is calling for Device Remove. 2437 * In this case, abort the LOGO and cleanup the ndlp 2438 */ 2439 2440 lpfc_unreg_rpi(vport, ndlp); 2441 /* software abort outstanding PLOGI */ 2442 lpfc_els_abort(vport->phba, ndlp); 2443 lpfc_drop_node(vport, ndlp); 2444 return NLP_STE_FREED_NODE; 2445 } 2446 2447 static uint32_t 2448 lpfc_device_recov_logo_issue(struct lpfc_vport *vport, 2449 struct lpfc_nodelist *ndlp, 2450 void *arg, uint32_t evt) 2451 { 2452 /* 2453 * Device Recovery events have no meaning for a node with a LOGO 2454 * outstanding. The LOGO has to complete first and handle the 2455 * node from that point. 2456 */ 2457 return ndlp->nlp_state; 2458 } 2459 2460 static uint32_t 2461 lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2462 void *arg, uint32_t evt) 2463 { 2464 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2465 2466 lpfc_rcv_plogi(vport, ndlp, cmdiocb); 2467 return ndlp->nlp_state; 2468 } 2469 2470 static uint32_t 2471 lpfc_rcv_prli_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2472 void *arg, uint32_t evt) 2473 { 2474 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2475 2476 if (!lpfc_rcv_prli_support_check(vport, ndlp, cmdiocb)) 2477 return ndlp->nlp_state; 2478 2479 lpfc_rcv_prli(vport, ndlp, cmdiocb); 2480 lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); 2481 return ndlp->nlp_state; 2482 } 2483 2484 static uint32_t 2485 lpfc_rcv_logo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2486 void *arg, uint32_t evt) 2487 { 2488 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2489 2490 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); 2491 return ndlp->nlp_state; 2492 } 2493 2494 static uint32_t 2495 lpfc_rcv_padisc_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2496 void *arg, uint32_t evt) 2497 { 2498 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2499 2500 lpfc_rcv_padisc(vport, ndlp, cmdiocb); 2501 return ndlp->nlp_state; 2502 } 2503 2504 static uint32_t 2505 lpfc_rcv_prlo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2506 void *arg, uint32_t evt) 2507 { 2508 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2509 2510 lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); 2511 return ndlp->nlp_state; 2512 } 2513 2514 static uint32_t 2515 lpfc_device_rm_unmap_node(struct lpfc_vport *vport, 2516 struct lpfc_nodelist *ndlp, 2517 void *arg, 2518 uint32_t evt) 2519 { 2520 lpfc_drop_node(vport, ndlp); 2521 return NLP_STE_FREED_NODE; 2522 } 2523 2524 static uint32_t 2525 lpfc_device_recov_unmap_node(struct lpfc_vport *vport, 2526 struct lpfc_nodelist *ndlp, 2527 void *arg, 2528 uint32_t evt) 2529 { 2530 ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; 2531 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 2532 spin_lock_irq(&ndlp->lock); 2533 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); 2534 ndlp->nlp_fc4_type &= ~(NLP_FC4_FCP | NLP_FC4_NVME); 2535 spin_unlock_irq(&ndlp->lock); 2536 lpfc_disc_set_adisc(vport, ndlp); 2537 2538 return ndlp->nlp_state; 2539 } 2540 2541 static uint32_t 2542 lpfc_rcv_plogi_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2543 void *arg, uint32_t evt) 2544 { 2545 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2546 2547 lpfc_rcv_plogi(vport, ndlp, cmdiocb); 2548 return ndlp->nlp_state; 2549 } 2550 2551 static uint32_t 2552 lpfc_rcv_prli_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2553 void *arg, uint32_t evt) 2554 { 2555 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2556 2557 if (!lpfc_rcv_prli_support_check(vport, ndlp, cmdiocb)) 2558 return ndlp->nlp_state; 2559 lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); 2560 return ndlp->nlp_state; 2561 } 2562 2563 static uint32_t 2564 lpfc_rcv_logo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2565 void *arg, uint32_t evt) 2566 { 2567 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2568 2569 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); 2570 return ndlp->nlp_state; 2571 } 2572 2573 static uint32_t 2574 lpfc_rcv_padisc_mapped_node(struct lpfc_vport *vport, 2575 struct lpfc_nodelist *ndlp, 2576 void *arg, uint32_t evt) 2577 { 2578 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2579 2580 lpfc_rcv_padisc(vport, ndlp, cmdiocb); 2581 return ndlp->nlp_state; 2582 } 2583 2584 static uint32_t 2585 lpfc_rcv_prlo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2586 void *arg, uint32_t evt) 2587 { 2588 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2589 2590 /* flush the target */ 2591 lpfc_sli_abort_iocb(vport, ndlp->nlp_sid, 0, LPFC_CTX_TGT); 2592 2593 /* Treat like rcv logo */ 2594 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); 2595 return ndlp->nlp_state; 2596 } 2597 2598 static uint32_t 2599 lpfc_device_recov_mapped_node(struct lpfc_vport *vport, 2600 struct lpfc_nodelist *ndlp, 2601 void *arg, 2602 uint32_t evt) 2603 { 2604 lpfc_disc_set_adisc(vport, ndlp); 2605 2606 ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; 2607 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 2608 spin_lock_irq(&ndlp->lock); 2609 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); 2610 ndlp->nlp_fc4_type &= ~(NLP_FC4_FCP | NLP_FC4_NVME); 2611 spin_unlock_irq(&ndlp->lock); 2612 return ndlp->nlp_state; 2613 } 2614 2615 static uint32_t 2616 lpfc_rcv_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2617 void *arg, uint32_t evt) 2618 { 2619 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2620 2621 /* Ignore PLOGI if we have an outstanding LOGO */ 2622 if (ndlp->nlp_flag & (NLP_LOGO_SND | NLP_LOGO_ACC)) 2623 return ndlp->nlp_state; 2624 if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { 2625 lpfc_cancel_retry_delay_tmo(vport, ndlp); 2626 spin_lock_irq(&ndlp->lock); 2627 ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC); 2628 spin_unlock_irq(&ndlp->lock); 2629 } else if (!(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { 2630 /* send PLOGI immediately, move to PLOGI issue state */ 2631 if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { 2632 ndlp->nlp_prev_state = NLP_STE_NPR_NODE; 2633 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); 2634 lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); 2635 } 2636 } 2637 return ndlp->nlp_state; 2638 } 2639 2640 static uint32_t 2641 lpfc_rcv_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2642 void *arg, uint32_t evt) 2643 { 2644 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2645 struct ls_rjt stat; 2646 2647 memset(&stat, 0, sizeof (struct ls_rjt)); 2648 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; 2649 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; 2650 lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); 2651 2652 if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { 2653 /* 2654 * ADISC nodes will be handled in regular discovery path after 2655 * receiving response from NS. 2656 * 2657 * For other nodes, Send PLOGI to trigger an implicit LOGO. 2658 */ 2659 if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { 2660 ndlp->nlp_prev_state = NLP_STE_NPR_NODE; 2661 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); 2662 lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); 2663 } 2664 } 2665 return ndlp->nlp_state; 2666 } 2667 2668 static uint32_t 2669 lpfc_rcv_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2670 void *arg, uint32_t evt) 2671 { 2672 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2673 2674 lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); 2675 return ndlp->nlp_state; 2676 } 2677 2678 static uint32_t 2679 lpfc_rcv_padisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2680 void *arg, uint32_t evt) 2681 { 2682 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2683 2684 lpfc_rcv_padisc(vport, ndlp, cmdiocb); 2685 /* 2686 * Do not start discovery if discovery is about to start 2687 * or discovery in progress for this node. Starting discovery 2688 * here will affect the counting of discovery threads. 2689 */ 2690 if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && 2691 !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { 2692 /* 2693 * ADISC nodes will be handled in regular discovery path after 2694 * receiving response from NS. 2695 * 2696 * For other nodes, Send PLOGI to trigger an implicit LOGO. 2697 */ 2698 if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { 2699 ndlp->nlp_prev_state = NLP_STE_NPR_NODE; 2700 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); 2701 lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); 2702 } 2703 } 2704 return ndlp->nlp_state; 2705 } 2706 2707 static uint32_t 2708 lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2709 void *arg, uint32_t evt) 2710 { 2711 struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; 2712 2713 spin_lock_irq(&ndlp->lock); 2714 ndlp->nlp_flag |= NLP_LOGO_ACC; 2715 spin_unlock_irq(&ndlp->lock); 2716 2717 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); 2718 2719 if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) { 2720 mod_timer(&ndlp->nlp_delayfunc, 2721 jiffies + msecs_to_jiffies(1000 * 1)); 2722 spin_lock_irq(&ndlp->lock); 2723 ndlp->nlp_flag |= NLP_DELAY_TMO; 2724 ndlp->nlp_flag &= ~NLP_NPR_ADISC; 2725 spin_unlock_irq(&ndlp->lock); 2726 ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; 2727 } else { 2728 spin_lock_irq(&ndlp->lock); 2729 ndlp->nlp_flag &= ~NLP_NPR_ADISC; 2730 spin_unlock_irq(&ndlp->lock); 2731 } 2732 return ndlp->nlp_state; 2733 } 2734 2735 static uint32_t 2736 lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2737 void *arg, uint32_t evt) 2738 { 2739 struct lpfc_iocbq *cmdiocb, *rspiocb; 2740 IOCB_t *irsp; 2741 2742 cmdiocb = (struct lpfc_iocbq *) arg; 2743 rspiocb = cmdiocb->context_un.rsp_iocb; 2744 2745 irsp = &rspiocb->iocb; 2746 if (irsp->ulpStatus) { 2747 return NLP_STE_FREED_NODE; 2748 } 2749 return ndlp->nlp_state; 2750 } 2751 2752 static uint32_t 2753 lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2754 void *arg, uint32_t evt) 2755 { 2756 struct lpfc_iocbq *cmdiocb, *rspiocb; 2757 IOCB_t *irsp; 2758 2759 cmdiocb = (struct lpfc_iocbq *) arg; 2760 rspiocb = cmdiocb->context_un.rsp_iocb; 2761 2762 irsp = &rspiocb->iocb; 2763 if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { 2764 lpfc_drop_node(vport, ndlp); 2765 return NLP_STE_FREED_NODE; 2766 } 2767 return ndlp->nlp_state; 2768 } 2769 2770 static uint32_t 2771 lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2772 void *arg, uint32_t evt) 2773 { 2774 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 2775 2776 /* For the fabric port just clear the fc flags. */ 2777 if (ndlp->nlp_DID == Fabric_DID) { 2778 spin_lock_irq(shost->host_lock); 2779 vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); 2780 spin_unlock_irq(shost->host_lock); 2781 } 2782 lpfc_unreg_rpi(vport, ndlp); 2783 return ndlp->nlp_state; 2784 } 2785 2786 static uint32_t 2787 lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2788 void *arg, uint32_t evt) 2789 { 2790 struct lpfc_iocbq *cmdiocb, *rspiocb; 2791 IOCB_t *irsp; 2792 2793 cmdiocb = (struct lpfc_iocbq *) arg; 2794 rspiocb = cmdiocb->context_un.rsp_iocb; 2795 2796 irsp = &rspiocb->iocb; 2797 if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { 2798 lpfc_drop_node(vport, ndlp); 2799 return NLP_STE_FREED_NODE; 2800 } 2801 return ndlp->nlp_state; 2802 } 2803 2804 static uint32_t 2805 lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport, 2806 struct lpfc_nodelist *ndlp, 2807 void *arg, uint32_t evt) 2808 { 2809 LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; 2810 MAILBOX_t *mb = &pmb->u.mb; 2811 2812 if (!mb->mbxStatus) { 2813 /* SLI4 ports have preallocated logical rpis. */ 2814 if (vport->phba->sli_rev < LPFC_SLI_REV4) 2815 ndlp->nlp_rpi = mb->un.varWords[0]; 2816 ndlp->nlp_flag |= NLP_RPI_REGISTERED; 2817 if (ndlp->nlp_flag & NLP_LOGO_ACC) { 2818 lpfc_unreg_rpi(vport, ndlp); 2819 } 2820 } else { 2821 if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { 2822 lpfc_drop_node(vport, ndlp); 2823 return NLP_STE_FREED_NODE; 2824 } 2825 } 2826 return ndlp->nlp_state; 2827 } 2828 2829 static uint32_t 2830 lpfc_device_rm_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2831 void *arg, uint32_t evt) 2832 { 2833 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { 2834 spin_lock_irq(&ndlp->lock); 2835 ndlp->nlp_flag |= NLP_NODEV_REMOVE; 2836 spin_unlock_irq(&ndlp->lock); 2837 return ndlp->nlp_state; 2838 } 2839 lpfc_drop_node(vport, ndlp); 2840 return NLP_STE_FREED_NODE; 2841 } 2842 2843 static uint32_t 2844 lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 2845 void *arg, uint32_t evt) 2846 { 2847 /* Don't do anything that will mess up processing of the 2848 * previous RSCN. 2849 */ 2850 if (vport->fc_flag & FC_RSCN_DEFERRED) 2851 return ndlp->nlp_state; 2852 2853 lpfc_cancel_retry_delay_tmo(vport, ndlp); 2854 spin_lock_irq(&ndlp->lock); 2855 ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); 2856 ndlp->nlp_fc4_type &= ~(NLP_FC4_FCP | NLP_FC4_NVME); 2857 spin_unlock_irq(&ndlp->lock); 2858 return ndlp->nlp_state; 2859 } 2860 2861 2862 /* This next section defines the NPort Discovery State Machine */ 2863 2864 /* There are 4 different double linked lists nodelist entries can reside on. 2865 * The plogi list and adisc list are used when Link Up discovery or RSCN 2866 * processing is needed. Each list holds the nodes that we will send PLOGI 2867 * or ADISC on. These lists will keep track of what nodes will be effected 2868 * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). 2869 * The unmapped_list will contain all nodes that we have successfully logged 2870 * into at the Fibre Channel level. The mapped_list will contain all nodes 2871 * that are mapped FCP targets. 2872 */ 2873 /* 2874 * The bind list is a list of undiscovered (potentially non-existent) nodes 2875 * that we have saved binding information on. This information is used when 2876 * nodes transition from the unmapped to the mapped list. 2877 */ 2878 /* For UNUSED_NODE state, the node has just been allocated . 2879 * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on 2880 * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list 2881 * and put on the unmapped list. For ADISC processing, the node is taken off 2882 * the ADISC list and placed on either the mapped or unmapped list (depending 2883 * on its previous state). Once on the unmapped list, a PRLI is issued and the 2884 * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is 2885 * changed to UNMAPPED_NODE. If the completion indicates a mapped 2886 * node, the node is taken off the unmapped list. The binding list is checked 2887 * for a valid binding, or a binding is automatically assigned. If binding 2888 * assignment is unsuccessful, the node is left on the unmapped list. If 2889 * binding assignment is successful, the associated binding list entry (if 2890 * any) is removed, and the node is placed on the mapped list. 2891 */ 2892 /* 2893 * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped 2894 * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers 2895 * expire, all effected nodes will receive a DEVICE_RM event. 2896 */ 2897 /* 2898 * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists 2899 * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap 2900 * check, additional nodes may be added or removed (via DEVICE_RM) to / from 2901 * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, 2902 * we will first process the ADISC list. 32 entries are processed initially and 2903 * ADISC is initited for each one. Completions / Events for each node are 2904 * funnelled thru the state machine. As each node finishes ADISC processing, it 2905 * starts ADISC for any nodes waiting for ADISC processing. If no nodes are 2906 * waiting, and the ADISC list count is identically 0, then we are done. For 2907 * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we 2908 * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI 2909 * list. 32 entries are processed initially and PLOGI is initited for each one. 2910 * Completions / Events for each node are funnelled thru the state machine. As 2911 * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting 2912 * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is 2913 * indentically 0, then we are done. We have now completed discovery / RSCN 2914 * handling. Upon completion, ALL nodes should be on either the mapped or 2915 * unmapped lists. 2916 */ 2917 2918 static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) 2919 (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t) = { 2920 /* Action routine Event Current State */ 2921 lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ 2922 lpfc_rcv_els_unused_node, /* RCV_PRLI */ 2923 lpfc_rcv_logo_unused_node, /* RCV_LOGO */ 2924 lpfc_rcv_els_unused_node, /* RCV_ADISC */ 2925 lpfc_rcv_els_unused_node, /* RCV_PDISC */ 2926 lpfc_rcv_els_unused_node, /* RCV_PRLO */ 2927 lpfc_disc_illegal, /* CMPL_PLOGI */ 2928 lpfc_disc_illegal, /* CMPL_PRLI */ 2929 lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ 2930 lpfc_disc_illegal, /* CMPL_ADISC */ 2931 lpfc_disc_illegal, /* CMPL_REG_LOGIN */ 2932 lpfc_device_rm_unused_node, /* DEVICE_RM */ 2933 lpfc_device_recov_unused_node, /* DEVICE_RECOVERY */ 2934 2935 lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ 2936 lpfc_rcv_prli_plogi_issue, /* RCV_PRLI */ 2937 lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */ 2938 lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ 2939 lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ 2940 lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ 2941 lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ 2942 lpfc_disc_illegal, /* CMPL_PRLI */ 2943 lpfc_cmpl_logo_plogi_issue, /* CMPL_LOGO */ 2944 lpfc_disc_illegal, /* CMPL_ADISC */ 2945 lpfc_cmpl_reglogin_plogi_issue,/* CMPL_REG_LOGIN */ 2946 lpfc_device_rm_plogi_issue, /* DEVICE_RM */ 2947 lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ 2948 2949 lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ 2950 lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ 2951 lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ 2952 lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ 2953 lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ 2954 lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ 2955 lpfc_disc_illegal, /* CMPL_PLOGI */ 2956 lpfc_disc_illegal, /* CMPL_PRLI */ 2957 lpfc_disc_illegal, /* CMPL_LOGO */ 2958 lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ 2959 lpfc_disc_illegal, /* CMPL_REG_LOGIN */ 2960 lpfc_device_rm_adisc_issue, /* DEVICE_RM */ 2961 lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ 2962 2963 lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ 2964 lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ 2965 lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ 2966 lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ 2967 lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ 2968 lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ 2969 lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ 2970 lpfc_disc_illegal, /* CMPL_PRLI */ 2971 lpfc_disc_illegal, /* CMPL_LOGO */ 2972 lpfc_disc_illegal, /* CMPL_ADISC */ 2973 lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ 2974 lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ 2975 lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ 2976 2977 lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ 2978 lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ 2979 lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ 2980 lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ 2981 lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ 2982 lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ 2983 lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ 2984 lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ 2985 lpfc_disc_illegal, /* CMPL_LOGO */ 2986 lpfc_disc_illegal, /* CMPL_ADISC */ 2987 lpfc_disc_illegal, /* CMPL_REG_LOGIN */ 2988 lpfc_device_rm_prli_issue, /* DEVICE_RM */ 2989 lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ 2990 2991 lpfc_rcv_plogi_logo_issue, /* RCV_PLOGI LOGO_ISSUE */ 2992 lpfc_rcv_prli_logo_issue, /* RCV_PRLI */ 2993 lpfc_rcv_logo_logo_issue, /* RCV_LOGO */ 2994 lpfc_rcv_padisc_logo_issue, /* RCV_ADISC */ 2995 lpfc_rcv_padisc_logo_issue, /* RCV_PDISC */ 2996 lpfc_rcv_prlo_logo_issue, /* RCV_PRLO */ 2997 lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ 2998 lpfc_disc_illegal, /* CMPL_PRLI */ 2999 lpfc_cmpl_logo_logo_issue, /* CMPL_LOGO */ 3000 lpfc_disc_illegal, /* CMPL_ADISC */ 3001 lpfc_disc_illegal, /* CMPL_REG_LOGIN */ 3002 lpfc_device_rm_logo_issue, /* DEVICE_RM */ 3003 lpfc_device_recov_logo_issue, /* DEVICE_RECOVERY */ 3004 3005 lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ 3006 lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ 3007 lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ 3008 lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ 3009 lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ 3010 lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ 3011 lpfc_disc_illegal, /* CMPL_PLOGI */ 3012 lpfc_disc_illegal, /* CMPL_PRLI */ 3013 lpfc_disc_illegal, /* CMPL_LOGO */ 3014 lpfc_disc_illegal, /* CMPL_ADISC */ 3015 lpfc_disc_illegal, /* CMPL_REG_LOGIN */ 3016 lpfc_device_rm_unmap_node, /* DEVICE_RM */ 3017 lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ 3018 3019 lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ 3020 lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ 3021 lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ 3022 lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ 3023 lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ 3024 lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ 3025 lpfc_disc_illegal, /* CMPL_PLOGI */ 3026 lpfc_disc_illegal, /* CMPL_PRLI */ 3027 lpfc_disc_illegal, /* CMPL_LOGO */ 3028 lpfc_disc_illegal, /* CMPL_ADISC */ 3029 lpfc_disc_illegal, /* CMPL_REG_LOGIN */ 3030 lpfc_disc_illegal, /* DEVICE_RM */ 3031 lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ 3032 3033 lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ 3034 lpfc_rcv_prli_npr_node, /* RCV_PRLI */ 3035 lpfc_rcv_logo_npr_node, /* RCV_LOGO */ 3036 lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ 3037 lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ 3038 lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ 3039 lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */ 3040 lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */ 3041 lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ 3042 lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */ 3043 lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ 3044 lpfc_device_rm_npr_node, /* DEVICE_RM */ 3045 lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ 3046 }; 3047 3048 int 3049 lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 3050 void *arg, uint32_t evt) 3051 { 3052 uint32_t cur_state, rc; 3053 uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *, 3054 uint32_t); 3055 uint32_t got_ndlp = 0; 3056 uint32_t data1; 3057 3058 if (lpfc_nlp_get(ndlp)) 3059 got_ndlp = 1; 3060 3061 cur_state = ndlp->nlp_state; 3062 3063 data1 = (((uint32_t)ndlp->nlp_fc4_type << 16) | 3064 ((uint32_t)ndlp->nlp_type)); 3065 /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ 3066 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 3067 "0211 DSM in event x%x on NPort x%x in " 3068 "state %d rpi x%x Data: x%x x%x\n", 3069 evt, ndlp->nlp_DID, cur_state, ndlp->nlp_rpi, 3070 ndlp->nlp_flag, data1); 3071 3072 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, 3073 "DSM in: evt:%d ste:%d did:x%x", 3074 evt, cur_state, ndlp->nlp_DID); 3075 3076 func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; 3077 rc = (func) (vport, ndlp, arg, evt); 3078 3079 /* DSM out state <rc> on NPort <nlp_DID> */ 3080 if (got_ndlp) { 3081 data1 = (((uint32_t)ndlp->nlp_fc4_type << 16) | 3082 ((uint32_t)ndlp->nlp_type)); 3083 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 3084 "0212 DSM out state %d on NPort x%x " 3085 "rpi x%x Data: x%x x%x\n", 3086 rc, ndlp->nlp_DID, ndlp->nlp_rpi, ndlp->nlp_flag, 3087 data1); 3088 3089 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, 3090 "DSM out: ste:%d did:x%x flg:x%x", 3091 rc, ndlp->nlp_DID, ndlp->nlp_flag); 3092 /* Decrement the ndlp reference count held for this function */ 3093 lpfc_nlp_put(ndlp); 3094 } else { 3095 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 3096 "0213 DSM out state %d on NPort free\n", rc); 3097 3098 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, 3099 "DSM out: ste:%d did:x%x flg:x%x", 3100 rc, 0, 0); 3101 } 3102 3103 return rc; 3104 } 3105