1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2004-2010 Emulex. All rights reserved. * 5 * EMULEX and SLI are trademarks of Emulex. * 6 * www.emulex.com * 7 * * 8 * This program is free software; you can redistribute it and/or * 9 * modify it under the terms of version 2 of the GNU General * 10 * Public License as published by the Free Software Foundation. * 11 * This program is distributed in the hope that it will be useful. * 12 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 13 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 14 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 15 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 16 * TO BE LEGALLY INVALID. See the GNU General Public License for * 17 * more details, a copy of which can be found in the file COPYING * 18 * included with this package. * 19 *******************************************************************/ 20 21 /* 22 * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS 23 */ 24 25 #include <linux/blkdev.h> 26 #include <linux/pci.h> 27 #include <linux/interrupt.h> 28 #include <linux/slab.h> 29 #include <linux/utsname.h> 30 31 #include <scsi/scsi.h> 32 #include <scsi/scsi_device.h> 33 #include <scsi/scsi_host.h> 34 #include <scsi/scsi_transport_fc.h> 35 #include <scsi/fc/fc_fs.h> 36 37 #include "lpfc_hw4.h" 38 #include "lpfc_hw.h" 39 #include "lpfc_sli.h" 40 #include "lpfc_sli4.h" 41 #include "lpfc_nl.h" 42 #include "lpfc_disc.h" 43 #include "lpfc_scsi.h" 44 #include "lpfc.h" 45 #include "lpfc_logmsg.h" 46 #include "lpfc_crtn.h" 47 #include "lpfc_version.h" 48 #include "lpfc_vport.h" 49 #include "lpfc_debugfs.h" 50 51 /* FDMI Port Speed definitions */ 52 #define HBA_PORTSPEED_1GBIT 0x0001 /* 1 GBit/sec */ 53 #define HBA_PORTSPEED_2GBIT 0x0002 /* 2 GBit/sec */ 54 #define HBA_PORTSPEED_4GBIT 0x0008 /* 4 GBit/sec */ 55 #define HBA_PORTSPEED_10GBIT 0x0004 /* 10 GBit/sec */ 56 #define HBA_PORTSPEED_8GBIT 0x0010 /* 8 GBit/sec */ 57 #define HBA_PORTSPEED_16GBIT 0x0020 /* 16 GBit/sec */ 58 #define HBA_PORTSPEED_UNKNOWN 0x0800 /* Unknown */ 59 60 #define FOURBYTES 4 61 62 63 static char *lpfc_release_version = LPFC_DRIVER_VERSION; 64 65 static void 66 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, 67 struct lpfc_dmabuf *mp, uint32_t size) 68 { 69 if (!mp) { 70 lpfc_printf_log(phba, KERN_INFO, LOG_ELS, 71 "0146 Ignoring unsolicited CT No HBQ " 72 "status = x%x\n", 73 piocbq->iocb.ulpStatus); 74 } 75 lpfc_printf_log(phba, KERN_INFO, LOG_ELS, 76 "0145 Ignoring unsolicted CT HBQ Size:%d " 77 "status = x%x\n", 78 size, piocbq->iocb.ulpStatus); 79 } 80 81 static void 82 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, 83 struct lpfc_dmabuf *mp, uint32_t size) 84 { 85 lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size); 86 } 87 88 void 89 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 90 struct lpfc_iocbq *piocbq) 91 { 92 struct lpfc_dmabuf *mp = NULL; 93 IOCB_t *icmd = &piocbq->iocb; 94 int i; 95 struct lpfc_iocbq *iocbq; 96 dma_addr_t paddr; 97 uint32_t size; 98 struct list_head head; 99 struct lpfc_dmabuf *bdeBuf; 100 101 if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0) 102 return; 103 104 if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) { 105 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); 106 } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) && 107 ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) == 108 IOERR_RCV_BUFFER_WAITING)) { 109 /* Not enough posted buffers; Try posting more buffers */ 110 phba->fc_stat.NoRcvBuf++; 111 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) 112 lpfc_post_buffer(phba, pring, 2); 113 return; 114 } 115 116 /* If there are no BDEs associated with this IOCB, 117 * there is nothing to do. 118 */ 119 if (icmd->ulpBdeCount == 0) 120 return; 121 122 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { 123 INIT_LIST_HEAD(&head); 124 list_add_tail(&head, &piocbq->list); 125 list_for_each_entry(iocbq, &head, list) { 126 icmd = &iocbq->iocb; 127 if (icmd->ulpBdeCount == 0) 128 continue; 129 bdeBuf = iocbq->context2; 130 iocbq->context2 = NULL; 131 size = icmd->un.cont64[0].tus.f.bdeSize; 132 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size); 133 lpfc_in_buf_free(phba, bdeBuf); 134 if (icmd->ulpBdeCount == 2) { 135 bdeBuf = iocbq->context3; 136 iocbq->context3 = NULL; 137 size = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize; 138 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, 139 size); 140 lpfc_in_buf_free(phba, bdeBuf); 141 } 142 } 143 list_del(&head); 144 } else { 145 INIT_LIST_HEAD(&head); 146 list_add_tail(&head, &piocbq->list); 147 list_for_each_entry(iocbq, &head, list) { 148 icmd = &iocbq->iocb; 149 if (icmd->ulpBdeCount == 0) 150 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0); 151 for (i = 0; i < icmd->ulpBdeCount; i++) { 152 paddr = getPaddr(icmd->un.cont64[i].addrHigh, 153 icmd->un.cont64[i].addrLow); 154 mp = lpfc_sli_ringpostbuf_get(phba, pring, 155 paddr); 156 size = icmd->un.cont64[i].tus.f.bdeSize; 157 lpfc_ct_unsol_buffer(phba, iocbq, mp, size); 158 lpfc_in_buf_free(phba, mp); 159 } 160 lpfc_post_buffer(phba, pring, i); 161 } 162 list_del(&head); 163 } 164 } 165 166 /** 167 * lpfc_sli4_ct_abort_unsol_event - Default handle for sli4 unsol abort 168 * @phba: Pointer to HBA context object. 169 * @pring: Pointer to the driver internal I/O ring. 170 * @piocbq: Pointer to the IOCBQ. 171 * 172 * This function serves as the default handler for the sli4 unsolicited 173 * abort event. It shall be invoked when there is no application interface 174 * registered unsolicited abort handler. This handler does nothing but 175 * just simply releases the dma buffer used by the unsol abort event. 176 **/ 177 void 178 lpfc_sli4_ct_abort_unsol_event(struct lpfc_hba *phba, 179 struct lpfc_sli_ring *pring, 180 struct lpfc_iocbq *piocbq) 181 { 182 IOCB_t *icmd = &piocbq->iocb; 183 struct lpfc_dmabuf *bdeBuf; 184 uint32_t size; 185 186 /* Forward abort event to any process registered to receive ct event */ 187 if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0) 188 return; 189 190 /* If there is no BDE associated with IOCB, there is nothing to do */ 191 if (icmd->ulpBdeCount == 0) 192 return; 193 bdeBuf = piocbq->context2; 194 piocbq->context2 = NULL; 195 size = icmd->un.cont64[0].tus.f.bdeSize; 196 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size); 197 lpfc_in_buf_free(phba, bdeBuf); 198 } 199 200 static void 201 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist) 202 { 203 struct lpfc_dmabuf *mlast, *next_mlast; 204 205 list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) { 206 lpfc_mbuf_free(phba, mlast->virt, mlast->phys); 207 list_del(&mlast->list); 208 kfree(mlast); 209 } 210 lpfc_mbuf_free(phba, mlist->virt, mlist->phys); 211 kfree(mlist); 212 return; 213 } 214 215 static struct lpfc_dmabuf * 216 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl, 217 uint32_t size, int *entries) 218 { 219 struct lpfc_dmabuf *mlist = NULL; 220 struct lpfc_dmabuf *mp; 221 int cnt, i = 0; 222 223 /* We get chunks of FCELSSIZE */ 224 cnt = size > FCELSSIZE ? FCELSSIZE: size; 225 226 while (size) { 227 /* Allocate buffer for rsp payload */ 228 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 229 if (!mp) { 230 if (mlist) 231 lpfc_free_ct_rsp(phba, mlist); 232 return NULL; 233 } 234 235 INIT_LIST_HEAD(&mp->list); 236 237 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) || 238 cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID)) 239 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys)); 240 else 241 mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys)); 242 243 if (!mp->virt) { 244 kfree(mp); 245 if (mlist) 246 lpfc_free_ct_rsp(phba, mlist); 247 return NULL; 248 } 249 250 /* Queue it to a linked list */ 251 if (!mlist) 252 mlist = mp; 253 else 254 list_add_tail(&mp->list, &mlist->list); 255 256 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I; 257 /* build buffer ptr list for IOCB */ 258 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) ); 259 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) ); 260 bpl->tus.f.bdeSize = (uint16_t) cnt; 261 bpl->tus.w = le32_to_cpu(bpl->tus.w); 262 bpl++; 263 264 i++; 265 size -= cnt; 266 } 267 268 *entries = i; 269 return mlist; 270 } 271 272 int 273 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb) 274 { 275 struct lpfc_dmabuf *buf_ptr; 276 277 if (ctiocb->context_un.ndlp) { 278 lpfc_nlp_put(ctiocb->context_un.ndlp); 279 ctiocb->context_un.ndlp = NULL; 280 } 281 if (ctiocb->context1) { 282 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1; 283 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); 284 kfree(buf_ptr); 285 ctiocb->context1 = NULL; 286 } 287 if (ctiocb->context2) { 288 lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2); 289 ctiocb->context2 = NULL; 290 } 291 292 if (ctiocb->context3) { 293 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3; 294 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); 295 kfree(buf_ptr); 296 ctiocb->context1 = NULL; 297 } 298 lpfc_sli_release_iocbq(phba, ctiocb); 299 return 0; 300 } 301 302 static int 303 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, 304 struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp, 305 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, 306 struct lpfc_iocbq *), 307 struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry, 308 uint32_t tmo, uint8_t retry) 309 { 310 struct lpfc_hba *phba = vport->phba; 311 IOCB_t *icmd; 312 struct lpfc_iocbq *geniocb; 313 int rc; 314 315 /* Allocate buffer for command iocb */ 316 geniocb = lpfc_sli_get_iocbq(phba); 317 318 if (geniocb == NULL) 319 return 1; 320 321 icmd = &geniocb->iocb; 322 icmd->un.genreq64.bdl.ulpIoTag32 = 0; 323 icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys); 324 icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys); 325 icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; 326 icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64)); 327 328 if (usr_flg) 329 geniocb->context3 = NULL; 330 else 331 geniocb->context3 = (uint8_t *) bmp; 332 333 /* Save for completion so we can release these resources */ 334 geniocb->context1 = (uint8_t *) inp; 335 geniocb->context2 = (uint8_t *) outp; 336 geniocb->context_un.ndlp = lpfc_nlp_get(ndlp); 337 338 /* Fill in payload, bp points to frame payload */ 339 icmd->ulpCommand = CMD_GEN_REQUEST64_CR; 340 341 /* Fill in rest of iocb */ 342 icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA); 343 icmd->un.genreq64.w5.hcsw.Dfctl = 0; 344 icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL; 345 icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT; 346 347 if (!tmo) { 348 /* FC spec states we need 3 * ratov for CT requests */ 349 tmo = (3 * phba->fc_ratov); 350 } 351 icmd->ulpTimeout = tmo; 352 icmd->ulpBdeCount = 1; 353 icmd->ulpLe = 1; 354 icmd->ulpClass = CLASS3; 355 icmd->ulpContext = ndlp->nlp_rpi; 356 if (phba->sli_rev == LPFC_SLI_REV4) 357 icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; 358 359 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { 360 /* For GEN_REQUEST64_CR, use the RPI */ 361 icmd->ulpCt_h = 0; 362 icmd->ulpCt_l = 0; 363 } 364 365 /* Issue GEN REQ IOCB for NPORT <did> */ 366 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, 367 "0119 Issue GEN REQ IOCB to NPORT x%x " 368 "Data: x%x x%x\n", 369 ndlp->nlp_DID, icmd->ulpIoTag, 370 vport->port_state); 371 geniocb->iocb_cmpl = cmpl; 372 geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT; 373 geniocb->vport = vport; 374 geniocb->retry = retry; 375 rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0); 376 377 if (rc == IOCB_ERROR) { 378 lpfc_sli_release_iocbq(phba, geniocb); 379 return 1; 380 } 381 382 return 0; 383 } 384 385 static int 386 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp, 387 struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp, 388 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, 389 struct lpfc_iocbq *), 390 uint32_t rsp_size, uint8_t retry) 391 { 392 struct lpfc_hba *phba = vport->phba; 393 struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt; 394 struct lpfc_dmabuf *outmp; 395 int cnt = 0, status; 396 int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)-> 397 CommandResponse.bits.CmdRsp; 398 399 bpl++; /* Skip past ct request */ 400 401 /* Put buffer(s) for ct rsp in bpl */ 402 outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt); 403 if (!outmp) 404 return -ENOMEM; 405 /* 406 * Form the CT IOCB. The total number of BDEs in this IOCB 407 * is the single command plus response count from 408 * lpfc_alloc_ct_rsp. 409 */ 410 cnt += 1; 411 status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0, 412 cnt, 0, retry); 413 if (status) { 414 lpfc_free_ct_rsp(phba, outmp); 415 return -ENOMEM; 416 } 417 return 0; 418 } 419 420 struct lpfc_vport * 421 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) { 422 struct lpfc_vport *vport_curr; 423 unsigned long flags; 424 425 spin_lock_irqsave(&phba->hbalock, flags); 426 list_for_each_entry(vport_curr, &phba->port_list, listentry) { 427 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) { 428 spin_unlock_irqrestore(&phba->hbalock, flags); 429 return vport_curr; 430 } 431 } 432 spin_unlock_irqrestore(&phba->hbalock, flags); 433 return NULL; 434 } 435 436 static int 437 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size) 438 { 439 struct lpfc_hba *phba = vport->phba; 440 struct lpfc_sli_ct_request *Response = 441 (struct lpfc_sli_ct_request *) mp->virt; 442 struct lpfc_nodelist *ndlp = NULL; 443 struct lpfc_dmabuf *mlast, *next_mp; 444 uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType; 445 uint32_t Did, CTentry; 446 int Cnt; 447 struct list_head head; 448 449 lpfc_set_disctmo(vport); 450 vport->num_disc_nodes = 0; 451 vport->fc_ns_retry = 0; 452 453 454 list_add_tail(&head, &mp->list); 455 list_for_each_entry_safe(mp, next_mp, &head, list) { 456 mlast = mp; 457 458 Cnt = Size > FCELSSIZE ? FCELSSIZE : Size; 459 460 Size -= Cnt; 461 462 if (!ctptr) { 463 ctptr = (uint32_t *) mlast->virt; 464 } else 465 Cnt -= 16; /* subtract length of CT header */ 466 467 /* Loop through entire NameServer list of DIDs */ 468 while (Cnt >= sizeof (uint32_t)) { 469 /* Get next DID from NameServer List */ 470 CTentry = *ctptr++; 471 Did = ((be32_to_cpu(CTentry)) & Mask_DID); 472 473 ndlp = NULL; 474 475 /* 476 * Check for rscn processing or not 477 * To conserve rpi's, filter out addresses for other 478 * vports on the same physical HBAs. 479 */ 480 if ((Did != vport->fc_myDID) && 481 ((lpfc_find_vport_by_did(phba, Did) == NULL) || 482 vport->cfg_peer_port_login)) { 483 if ((vport->port_type != LPFC_NPIV_PORT) || 484 (!(vport->ct_flags & FC_CT_RFF_ID)) || 485 (!vport->cfg_restrict_login)) { 486 ndlp = lpfc_setup_disc_node(vport, Did); 487 if (ndlp && NLP_CHK_NODE_ACT(ndlp)) { 488 lpfc_debugfs_disc_trc(vport, 489 LPFC_DISC_TRC_CT, 490 "Parse GID_FTrsp: " 491 "did:x%x flg:x%x x%x", 492 Did, ndlp->nlp_flag, 493 vport->fc_flag); 494 495 lpfc_printf_vlog(vport, 496 KERN_INFO, 497 LOG_DISCOVERY, 498 "0238 Process " 499 "x%x NameServer Rsp" 500 "Data: x%x x%x x%x\n", 501 Did, ndlp->nlp_flag, 502 vport->fc_flag, 503 vport->fc_rscn_id_cnt); 504 } else { 505 lpfc_debugfs_disc_trc(vport, 506 LPFC_DISC_TRC_CT, 507 "Skip1 GID_FTrsp: " 508 "did:x%x flg:x%x cnt:%d", 509 Did, vport->fc_flag, 510 vport->fc_rscn_id_cnt); 511 512 lpfc_printf_vlog(vport, 513 KERN_INFO, 514 LOG_DISCOVERY, 515 "0239 Skip x%x " 516 "NameServer Rsp Data: " 517 "x%x x%x\n", 518 Did, vport->fc_flag, 519 vport->fc_rscn_id_cnt); 520 } 521 522 } else { 523 if (!(vport->fc_flag & FC_RSCN_MODE) || 524 (lpfc_rscn_payload_check(vport, Did))) { 525 lpfc_debugfs_disc_trc(vport, 526 LPFC_DISC_TRC_CT, 527 "Query GID_FTrsp: " 528 "did:x%x flg:x%x cnt:%d", 529 Did, vport->fc_flag, 530 vport->fc_rscn_id_cnt); 531 532 /* This NPortID was previously 533 * a FCP target, * Don't even 534 * bother to send GFF_ID. 535 */ 536 ndlp = lpfc_findnode_did(vport, 537 Did); 538 if (ndlp && 539 NLP_CHK_NODE_ACT(ndlp) 540 && (ndlp->nlp_type & 541 NLP_FCP_TARGET)) 542 lpfc_setup_disc_node 543 (vport, Did); 544 else if (lpfc_ns_cmd(vport, 545 SLI_CTNS_GFF_ID, 546 0, Did) == 0) 547 vport->num_disc_nodes++; 548 else 549 lpfc_setup_disc_node 550 (vport, Did); 551 } 552 else { 553 lpfc_debugfs_disc_trc(vport, 554 LPFC_DISC_TRC_CT, 555 "Skip2 GID_FTrsp: " 556 "did:x%x flg:x%x cnt:%d", 557 Did, vport->fc_flag, 558 vport->fc_rscn_id_cnt); 559 560 lpfc_printf_vlog(vport, 561 KERN_INFO, 562 LOG_DISCOVERY, 563 "0245 Skip x%x " 564 "NameServer Rsp Data: " 565 "x%x x%x\n", 566 Did, vport->fc_flag, 567 vport->fc_rscn_id_cnt); 568 } 569 } 570 } 571 if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY))) 572 goto nsout1; 573 Cnt -= sizeof (uint32_t); 574 } 575 ctptr = NULL; 576 577 } 578 579 nsout1: 580 list_del(&head); 581 return 0; 582 } 583 584 static void 585 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 586 struct lpfc_iocbq *rspiocb) 587 { 588 struct lpfc_vport *vport = cmdiocb->vport; 589 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 590 IOCB_t *irsp; 591 struct lpfc_dmabuf *bmp; 592 struct lpfc_dmabuf *outp; 593 struct lpfc_sli_ct_request *CTrsp; 594 struct lpfc_nodelist *ndlp; 595 int rc; 596 597 /* First save ndlp, before we overwrite it */ 598 ndlp = cmdiocb->context_un.ndlp; 599 600 /* we pass cmdiocb to state machine which needs rspiocb as well */ 601 cmdiocb->context_un.rsp_iocb = rspiocb; 602 603 outp = (struct lpfc_dmabuf *) cmdiocb->context2; 604 bmp = (struct lpfc_dmabuf *) cmdiocb->context3; 605 irsp = &rspiocb->iocb; 606 607 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 608 "GID_FT cmpl: status:x%x/x%x rtry:%d", 609 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry); 610 611 /* Don't bother processing response if vport is being torn down. */ 612 if (vport->load_flag & FC_UNLOADING) { 613 if (vport->fc_flag & FC_RSCN_MODE) 614 lpfc_els_flush_rscn(vport); 615 goto out; 616 } 617 618 if (lpfc_els_chk_latt(vport)) { 619 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 620 "0216 Link event during NS query\n"); 621 if (vport->fc_flag & FC_RSCN_MODE) 622 lpfc_els_flush_rscn(vport); 623 lpfc_vport_set_state(vport, FC_VPORT_FAILED); 624 goto out; 625 } 626 if (lpfc_error_lost_link(irsp)) { 627 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 628 "0226 NS query failed due to link event\n"); 629 if (vport->fc_flag & FC_RSCN_MODE) 630 lpfc_els_flush_rscn(vport); 631 goto out; 632 } 633 if (irsp->ulpStatus) { 634 /* Check for retry */ 635 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { 636 if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT || 637 (irsp->un.ulpWord[4] && IOERR_PARAM_MASK) != 638 IOERR_NO_RESOURCES) 639 vport->fc_ns_retry++; 640 641 /* CT command is being retried */ 642 rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 643 vport->fc_ns_retry, 0); 644 if (rc == 0) 645 goto out; 646 } 647 if (vport->fc_flag & FC_RSCN_MODE) 648 lpfc_els_flush_rscn(vport); 649 lpfc_vport_set_state(vport, FC_VPORT_FAILED); 650 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, 651 "0257 GID_FT Query error: 0x%x 0x%x\n", 652 irsp->ulpStatus, vport->fc_ns_retry); 653 } else { 654 /* Good status, continue checking */ 655 CTrsp = (struct lpfc_sli_ct_request *) outp->virt; 656 if (CTrsp->CommandResponse.bits.CmdRsp == 657 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) { 658 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 659 "0208 NameServer Rsp Data: x%x\n", 660 vport->fc_flag); 661 lpfc_ns_rsp(vport, outp, 662 (uint32_t) (irsp->un.genreq64.bdl.bdeSize)); 663 } else if (CTrsp->CommandResponse.bits.CmdRsp == 664 be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) { 665 /* NameServer Rsp Error */ 666 if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ) 667 && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) { 668 lpfc_printf_vlog(vport, KERN_INFO, 669 LOG_DISCOVERY, 670 "0269 No NameServer Entries " 671 "Data: x%x x%x x%x x%x\n", 672 CTrsp->CommandResponse.bits.CmdRsp, 673 (uint32_t) CTrsp->ReasonCode, 674 (uint32_t) CTrsp->Explanation, 675 vport->fc_flag); 676 677 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 678 "GID_FT no entry cmd:x%x rsn:x%x exp:x%x", 679 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp, 680 (uint32_t) CTrsp->ReasonCode, 681 (uint32_t) CTrsp->Explanation); 682 } else { 683 lpfc_printf_vlog(vport, KERN_INFO, 684 LOG_DISCOVERY, 685 "0240 NameServer Rsp Error " 686 "Data: x%x x%x x%x x%x\n", 687 CTrsp->CommandResponse.bits.CmdRsp, 688 (uint32_t) CTrsp->ReasonCode, 689 (uint32_t) CTrsp->Explanation, 690 vport->fc_flag); 691 692 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 693 "GID_FT rsp err1 cmd:x%x rsn:x%x exp:x%x", 694 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp, 695 (uint32_t) CTrsp->ReasonCode, 696 (uint32_t) CTrsp->Explanation); 697 } 698 699 700 } else { 701 /* NameServer Rsp Error */ 702 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, 703 "0241 NameServer Rsp Error " 704 "Data: x%x x%x x%x x%x\n", 705 CTrsp->CommandResponse.bits.CmdRsp, 706 (uint32_t) CTrsp->ReasonCode, 707 (uint32_t) CTrsp->Explanation, 708 vport->fc_flag); 709 710 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 711 "GID_FT rsp err2 cmd:x%x rsn:x%x exp:x%x", 712 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp, 713 (uint32_t) CTrsp->ReasonCode, 714 (uint32_t) CTrsp->Explanation); 715 } 716 } 717 /* Link up / RSCN discovery */ 718 if (vport->num_disc_nodes == 0) { 719 /* 720 * The driver has cycled through all Nports in the RSCN payload. 721 * Complete the handling by cleaning up and marking the 722 * current driver state. 723 */ 724 if (vport->port_state >= LPFC_DISC_AUTH) { 725 if (vport->fc_flag & FC_RSCN_MODE) { 726 lpfc_els_flush_rscn(vport); 727 spin_lock_irq(shost->host_lock); 728 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */ 729 spin_unlock_irq(shost->host_lock); 730 } 731 else 732 lpfc_els_flush_rscn(vport); 733 } 734 735 lpfc_disc_start(vport); 736 } 737 out: 738 cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */ 739 lpfc_ct_free_iocb(phba, cmdiocb); 740 return; 741 } 742 743 static void 744 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 745 struct lpfc_iocbq *rspiocb) 746 { 747 struct lpfc_vport *vport = cmdiocb->vport; 748 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 749 IOCB_t *irsp = &rspiocb->iocb; 750 struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1; 751 struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2; 752 struct lpfc_sli_ct_request *CTrsp; 753 int did, rc, retry; 754 uint8_t fbits; 755 struct lpfc_nodelist *ndlp; 756 757 did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId; 758 did = be32_to_cpu(did); 759 760 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 761 "GFF_ID cmpl: status:x%x/x%x did:x%x", 762 irsp->ulpStatus, irsp->un.ulpWord[4], did); 763 764 if (irsp->ulpStatus == IOSTAT_SUCCESS) { 765 /* Good status, continue checking */ 766 CTrsp = (struct lpfc_sli_ct_request *) outp->virt; 767 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET]; 768 769 if (CTrsp->CommandResponse.bits.CmdRsp == 770 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) { 771 if ((fbits & FC4_FEATURE_INIT) && 772 !(fbits & FC4_FEATURE_TARGET)) { 773 lpfc_printf_vlog(vport, KERN_INFO, 774 LOG_DISCOVERY, 775 "0270 Skip x%x GFF " 776 "NameServer Rsp Data: (init) " 777 "x%x x%x\n", did, fbits, 778 vport->fc_rscn_id_cnt); 779 goto out; 780 } 781 } 782 } 783 else { 784 /* Check for retry */ 785 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) { 786 retry = 1; 787 if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) { 788 switch ((irsp->un.ulpWord[4] & 789 IOERR_PARAM_MASK)) { 790 791 case IOERR_NO_RESOURCES: 792 /* We don't increment the retry 793 * count for this case. 794 */ 795 break; 796 case IOERR_LINK_DOWN: 797 case IOERR_SLI_ABORTED: 798 case IOERR_SLI_DOWN: 799 retry = 0; 800 break; 801 default: 802 cmdiocb->retry++; 803 } 804 } 805 else 806 cmdiocb->retry++; 807 808 if (retry) { 809 /* CT command is being retried */ 810 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID, 811 cmdiocb->retry, did); 812 if (rc == 0) { 813 /* success */ 814 lpfc_ct_free_iocb(phba, cmdiocb); 815 return; 816 } 817 } 818 } 819 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, 820 "0267 NameServer GFF Rsp " 821 "x%x Error (%d %d) Data: x%x x%x\n", 822 did, irsp->ulpStatus, irsp->un.ulpWord[4], 823 vport->fc_flag, vport->fc_rscn_id_cnt); 824 } 825 826 /* This is a target port, unregistered port, or the GFF_ID failed */ 827 ndlp = lpfc_setup_disc_node(vport, did); 828 if (ndlp && NLP_CHK_NODE_ACT(ndlp)) { 829 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 830 "0242 Process x%x GFF " 831 "NameServer Rsp Data: x%x x%x x%x\n", 832 did, ndlp->nlp_flag, vport->fc_flag, 833 vport->fc_rscn_id_cnt); 834 } else { 835 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 836 "0243 Skip x%x GFF " 837 "NameServer Rsp Data: x%x x%x\n", did, 838 vport->fc_flag, vport->fc_rscn_id_cnt); 839 } 840 out: 841 /* Link up / RSCN discovery */ 842 if (vport->num_disc_nodes) 843 vport->num_disc_nodes--; 844 if (vport->num_disc_nodes == 0) { 845 /* 846 * The driver has cycled through all Nports in the RSCN payload. 847 * Complete the handling by cleaning up and marking the 848 * current driver state. 849 */ 850 if (vport->port_state >= LPFC_DISC_AUTH) { 851 if (vport->fc_flag & FC_RSCN_MODE) { 852 lpfc_els_flush_rscn(vport); 853 spin_lock_irq(shost->host_lock); 854 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */ 855 spin_unlock_irq(shost->host_lock); 856 } 857 else 858 lpfc_els_flush_rscn(vport); 859 } 860 lpfc_disc_start(vport); 861 } 862 lpfc_ct_free_iocb(phba, cmdiocb); 863 return; 864 } 865 866 867 static void 868 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 869 struct lpfc_iocbq *rspiocb) 870 { 871 struct lpfc_vport *vport = cmdiocb->vport; 872 struct lpfc_dmabuf *inp; 873 struct lpfc_dmabuf *outp; 874 IOCB_t *irsp; 875 struct lpfc_sli_ct_request *CTrsp; 876 struct lpfc_nodelist *ndlp; 877 int cmdcode, rc; 878 uint8_t retry; 879 uint32_t latt; 880 881 /* First save ndlp, before we overwrite it */ 882 ndlp = cmdiocb->context_un.ndlp; 883 884 /* we pass cmdiocb to state machine which needs rspiocb as well */ 885 cmdiocb->context_un.rsp_iocb = rspiocb; 886 887 inp = (struct lpfc_dmabuf *) cmdiocb->context1; 888 outp = (struct lpfc_dmabuf *) cmdiocb->context2; 889 irsp = &rspiocb->iocb; 890 891 cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)-> 892 CommandResponse.bits.CmdRsp); 893 CTrsp = (struct lpfc_sli_ct_request *) outp->virt; 894 895 latt = lpfc_els_chk_latt(vport); 896 897 /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */ 898 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 899 "0209 CT Request completes, latt %d, " 900 "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n", 901 latt, irsp->ulpStatus, 902 CTrsp->CommandResponse.bits.CmdRsp, 903 cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag); 904 905 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 906 "CT cmd cmpl: status:x%x/x%x cmd:x%x", 907 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode); 908 909 if (irsp->ulpStatus) { 910 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, 911 "0268 NS cmd %x Error (%d %d)\n", 912 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]); 913 914 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && 915 (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == 916 IOERR_SLI_DOWN) || 917 ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == 918 IOERR_SLI_ABORTED))) 919 goto out; 920 921 retry = cmdiocb->retry; 922 if (retry >= LPFC_MAX_NS_RETRY) 923 goto out; 924 925 retry++; 926 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 927 "0250 Retrying NS cmd %x\n", cmdcode); 928 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0); 929 if (rc == 0) 930 goto out; 931 } 932 933 out: 934 cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */ 935 lpfc_ct_free_iocb(phba, cmdiocb); 936 return; 937 } 938 939 static void 940 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 941 struct lpfc_iocbq *rspiocb) 942 { 943 IOCB_t *irsp = &rspiocb->iocb; 944 struct lpfc_vport *vport = cmdiocb->vport; 945 946 if (irsp->ulpStatus == IOSTAT_SUCCESS) { 947 struct lpfc_dmabuf *outp; 948 struct lpfc_sli_ct_request *CTrsp; 949 950 outp = (struct lpfc_dmabuf *) cmdiocb->context2; 951 CTrsp = (struct lpfc_sli_ct_request *) outp->virt; 952 if (CTrsp->CommandResponse.bits.CmdRsp == 953 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) 954 vport->ct_flags |= FC_CT_RFT_ID; 955 } 956 lpfc_cmpl_ct(phba, cmdiocb, rspiocb); 957 return; 958 } 959 960 static void 961 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 962 struct lpfc_iocbq *rspiocb) 963 { 964 IOCB_t *irsp = &rspiocb->iocb; 965 struct lpfc_vport *vport = cmdiocb->vport; 966 967 if (irsp->ulpStatus == IOSTAT_SUCCESS) { 968 struct lpfc_dmabuf *outp; 969 struct lpfc_sli_ct_request *CTrsp; 970 971 outp = (struct lpfc_dmabuf *) cmdiocb->context2; 972 CTrsp = (struct lpfc_sli_ct_request *) outp->virt; 973 if (CTrsp->CommandResponse.bits.CmdRsp == 974 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) 975 vport->ct_flags |= FC_CT_RNN_ID; 976 } 977 lpfc_cmpl_ct(phba, cmdiocb, rspiocb); 978 return; 979 } 980 981 static void 982 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 983 struct lpfc_iocbq *rspiocb) 984 { 985 IOCB_t *irsp = &rspiocb->iocb; 986 struct lpfc_vport *vport = cmdiocb->vport; 987 988 if (irsp->ulpStatus == IOSTAT_SUCCESS) { 989 struct lpfc_dmabuf *outp; 990 struct lpfc_sli_ct_request *CTrsp; 991 992 outp = (struct lpfc_dmabuf *) cmdiocb->context2; 993 CTrsp = (struct lpfc_sli_ct_request *) outp->virt; 994 if (CTrsp->CommandResponse.bits.CmdRsp == 995 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) 996 vport->ct_flags |= FC_CT_RSPN_ID; 997 } 998 lpfc_cmpl_ct(phba, cmdiocb, rspiocb); 999 return; 1000 } 1001 1002 static void 1003 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1004 struct lpfc_iocbq *rspiocb) 1005 { 1006 IOCB_t *irsp = &rspiocb->iocb; 1007 struct lpfc_vport *vport = cmdiocb->vport; 1008 1009 if (irsp->ulpStatus == IOSTAT_SUCCESS) { 1010 struct lpfc_dmabuf *outp; 1011 struct lpfc_sli_ct_request *CTrsp; 1012 1013 outp = (struct lpfc_dmabuf *) cmdiocb->context2; 1014 CTrsp = (struct lpfc_sli_ct_request *) outp->virt; 1015 if (CTrsp->CommandResponse.bits.CmdRsp == 1016 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) 1017 vport->ct_flags |= FC_CT_RSNN_NN; 1018 } 1019 lpfc_cmpl_ct(phba, cmdiocb, rspiocb); 1020 return; 1021 } 1022 1023 static void 1024 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1025 struct lpfc_iocbq *rspiocb) 1026 { 1027 struct lpfc_vport *vport = cmdiocb->vport; 1028 1029 /* even if it fails we will act as though it succeeded. */ 1030 vport->ct_flags = 0; 1031 lpfc_cmpl_ct(phba, cmdiocb, rspiocb); 1032 return; 1033 } 1034 1035 static void 1036 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1037 struct lpfc_iocbq *rspiocb) 1038 { 1039 IOCB_t *irsp = &rspiocb->iocb; 1040 struct lpfc_vport *vport = cmdiocb->vport; 1041 1042 if (irsp->ulpStatus == IOSTAT_SUCCESS) { 1043 struct lpfc_dmabuf *outp; 1044 struct lpfc_sli_ct_request *CTrsp; 1045 1046 outp = (struct lpfc_dmabuf *) cmdiocb->context2; 1047 CTrsp = (struct lpfc_sli_ct_request *) outp->virt; 1048 if (CTrsp->CommandResponse.bits.CmdRsp == 1049 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) 1050 vport->ct_flags |= FC_CT_RFF_ID; 1051 } 1052 lpfc_cmpl_ct(phba, cmdiocb, rspiocb); 1053 return; 1054 } 1055 1056 int 1057 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol, 1058 size_t size) 1059 { 1060 int n; 1061 uint8_t *wwn = vport->phba->wwpn; 1062 1063 n = snprintf(symbol, size, 1064 "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", 1065 wwn[0], wwn[1], wwn[2], wwn[3], 1066 wwn[4], wwn[5], wwn[6], wwn[7]); 1067 1068 if (vport->port_type == LPFC_PHYSICAL_PORT) 1069 return n; 1070 1071 if (n < size) 1072 n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi); 1073 1074 if (n < size && 1075 strlen(vport->fc_vport->symbolic_name)) 1076 n += snprintf(symbol + n, size - n, " VName-%s", 1077 vport->fc_vport->symbolic_name); 1078 return n; 1079 } 1080 1081 int 1082 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol, 1083 size_t size) 1084 { 1085 char fwrev[FW_REV_STR_SIZE]; 1086 int n; 1087 1088 lpfc_decode_firmware_rev(vport->phba, fwrev, 0); 1089 1090 n = snprintf(symbol, size, "Emulex %s FV%s DV%s", 1091 vport->phba->ModelName, fwrev, lpfc_release_version); 1092 return n; 1093 } 1094 1095 /* 1096 * lpfc_ns_cmd 1097 * Description: 1098 * Issue Cmd to NameServer 1099 * SLI_CTNS_GID_FT 1100 * LI_CTNS_RFT_ID 1101 */ 1102 int 1103 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode, 1104 uint8_t retry, uint32_t context) 1105 { 1106 struct lpfc_nodelist * ndlp; 1107 struct lpfc_hba *phba = vport->phba; 1108 struct lpfc_dmabuf *mp, *bmp; 1109 struct lpfc_sli_ct_request *CtReq; 1110 struct ulp_bde64 *bpl; 1111 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, 1112 struct lpfc_iocbq *) = NULL; 1113 uint32_t rsp_size = 1024; 1114 size_t size; 1115 int rc = 0; 1116 1117 ndlp = lpfc_findnode_did(vport, NameServer_DID); 1118 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) 1119 || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) { 1120 rc=1; 1121 goto ns_cmd_exit; 1122 } 1123 1124 /* fill in BDEs for command */ 1125 /* Allocate buffer for command payload */ 1126 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 1127 if (!mp) { 1128 rc=2; 1129 goto ns_cmd_exit; 1130 } 1131 1132 INIT_LIST_HEAD(&mp->list); 1133 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys)); 1134 if (!mp->virt) { 1135 rc=3; 1136 goto ns_cmd_free_mp; 1137 } 1138 1139 /* Allocate buffer for Buffer ptr list */ 1140 bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 1141 if (!bmp) { 1142 rc=4; 1143 goto ns_cmd_free_mpvirt; 1144 } 1145 1146 INIT_LIST_HEAD(&bmp->list); 1147 bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys)); 1148 if (!bmp->virt) { 1149 rc=5; 1150 goto ns_cmd_free_bmp; 1151 } 1152 1153 /* NameServer Req */ 1154 lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY, 1155 "0236 NameServer Req Data: x%x x%x x%x\n", 1156 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt); 1157 1158 bpl = (struct ulp_bde64 *) bmp->virt; 1159 memset(bpl, 0, sizeof(struct ulp_bde64)); 1160 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) ); 1161 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) ); 1162 bpl->tus.f.bdeFlags = 0; 1163 if (cmdcode == SLI_CTNS_GID_FT) 1164 bpl->tus.f.bdeSize = GID_REQUEST_SZ; 1165 else if (cmdcode == SLI_CTNS_GFF_ID) 1166 bpl->tus.f.bdeSize = GFF_REQUEST_SZ; 1167 else if (cmdcode == SLI_CTNS_RFT_ID) 1168 bpl->tus.f.bdeSize = RFT_REQUEST_SZ; 1169 else if (cmdcode == SLI_CTNS_RNN_ID) 1170 bpl->tus.f.bdeSize = RNN_REQUEST_SZ; 1171 else if (cmdcode == SLI_CTNS_RSPN_ID) 1172 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ; 1173 else if (cmdcode == SLI_CTNS_RSNN_NN) 1174 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ; 1175 else if (cmdcode == SLI_CTNS_DA_ID) 1176 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ; 1177 else if (cmdcode == SLI_CTNS_RFF_ID) 1178 bpl->tus.f.bdeSize = RFF_REQUEST_SZ; 1179 else 1180 bpl->tus.f.bdeSize = 0; 1181 bpl->tus.w = le32_to_cpu(bpl->tus.w); 1182 1183 CtReq = (struct lpfc_sli_ct_request *) mp->virt; 1184 memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request)); 1185 CtReq->RevisionId.bits.Revision = SLI_CT_REVISION; 1186 CtReq->RevisionId.bits.InId = 0; 1187 CtReq->FsType = SLI_CT_DIRECTORY_SERVICE; 1188 CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER; 1189 CtReq->CommandResponse.bits.Size = 0; 1190 switch (cmdcode) { 1191 case SLI_CTNS_GID_FT: 1192 CtReq->CommandResponse.bits.CmdRsp = 1193 be16_to_cpu(SLI_CTNS_GID_FT); 1194 CtReq->un.gid.Fc4Type = SLI_CTPT_FCP; 1195 if (vport->port_state < LPFC_NS_QRY) 1196 vport->port_state = LPFC_NS_QRY; 1197 lpfc_set_disctmo(vport); 1198 cmpl = lpfc_cmpl_ct_cmd_gid_ft; 1199 rsp_size = FC_MAX_NS_RSP; 1200 break; 1201 1202 case SLI_CTNS_GFF_ID: 1203 CtReq->CommandResponse.bits.CmdRsp = 1204 be16_to_cpu(SLI_CTNS_GFF_ID); 1205 CtReq->un.gff.PortId = cpu_to_be32(context); 1206 cmpl = lpfc_cmpl_ct_cmd_gff_id; 1207 break; 1208 1209 case SLI_CTNS_RFT_ID: 1210 vport->ct_flags &= ~FC_CT_RFT_ID; 1211 CtReq->CommandResponse.bits.CmdRsp = 1212 be16_to_cpu(SLI_CTNS_RFT_ID); 1213 CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID); 1214 CtReq->un.rft.fcpReg = 1; 1215 cmpl = lpfc_cmpl_ct_cmd_rft_id; 1216 break; 1217 1218 case SLI_CTNS_RNN_ID: 1219 vport->ct_flags &= ~FC_CT_RNN_ID; 1220 CtReq->CommandResponse.bits.CmdRsp = 1221 be16_to_cpu(SLI_CTNS_RNN_ID); 1222 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID); 1223 memcpy(CtReq->un.rnn.wwnn, &vport->fc_nodename, 1224 sizeof (struct lpfc_name)); 1225 cmpl = lpfc_cmpl_ct_cmd_rnn_id; 1226 break; 1227 1228 case SLI_CTNS_RSPN_ID: 1229 vport->ct_flags &= ~FC_CT_RSPN_ID; 1230 CtReq->CommandResponse.bits.CmdRsp = 1231 be16_to_cpu(SLI_CTNS_RSPN_ID); 1232 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID); 1233 size = sizeof(CtReq->un.rspn.symbname); 1234 CtReq->un.rspn.len = 1235 lpfc_vport_symbolic_port_name(vport, 1236 CtReq->un.rspn.symbname, size); 1237 cmpl = lpfc_cmpl_ct_cmd_rspn_id; 1238 break; 1239 case SLI_CTNS_RSNN_NN: 1240 vport->ct_flags &= ~FC_CT_RSNN_NN; 1241 CtReq->CommandResponse.bits.CmdRsp = 1242 be16_to_cpu(SLI_CTNS_RSNN_NN); 1243 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename, 1244 sizeof (struct lpfc_name)); 1245 size = sizeof(CtReq->un.rsnn.symbname); 1246 CtReq->un.rsnn.len = 1247 lpfc_vport_symbolic_node_name(vport, 1248 CtReq->un.rsnn.symbname, size); 1249 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn; 1250 break; 1251 case SLI_CTNS_DA_ID: 1252 /* Implement DA_ID Nameserver request */ 1253 CtReq->CommandResponse.bits.CmdRsp = 1254 be16_to_cpu(SLI_CTNS_DA_ID); 1255 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID); 1256 cmpl = lpfc_cmpl_ct_cmd_da_id; 1257 break; 1258 case SLI_CTNS_RFF_ID: 1259 vport->ct_flags &= ~FC_CT_RFF_ID; 1260 CtReq->CommandResponse.bits.CmdRsp = 1261 be16_to_cpu(SLI_CTNS_RFF_ID); 1262 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID); 1263 CtReq->un.rff.fbits = FC4_FEATURE_INIT; 1264 CtReq->un.rff.type_code = FC_TYPE_FCP; 1265 cmpl = lpfc_cmpl_ct_cmd_rff_id; 1266 break; 1267 } 1268 /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count 1269 * to hold ndlp reference for the corresponding callback function. 1270 */ 1271 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) { 1272 /* On success, The cmpl function will free the buffers */ 1273 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 1274 "Issue CT cmd: cmd:x%x did:x%x", 1275 cmdcode, ndlp->nlp_DID, 0); 1276 return 0; 1277 } 1278 rc=6; 1279 1280 /* Decrement ndlp reference count to release ndlp reference held 1281 * for the failed command's callback function. 1282 */ 1283 lpfc_nlp_put(ndlp); 1284 1285 lpfc_mbuf_free(phba, bmp->virt, bmp->phys); 1286 ns_cmd_free_bmp: 1287 kfree(bmp); 1288 ns_cmd_free_mpvirt: 1289 lpfc_mbuf_free(phba, mp->virt, mp->phys); 1290 ns_cmd_free_mp: 1291 kfree(mp); 1292 ns_cmd_exit: 1293 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, 1294 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n", 1295 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt); 1296 return 1; 1297 } 1298 1299 static void 1300 lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1301 struct lpfc_iocbq * rspiocb) 1302 { 1303 struct lpfc_dmabuf *inp = cmdiocb->context1; 1304 struct lpfc_dmabuf *outp = cmdiocb->context2; 1305 struct lpfc_sli_ct_request *CTrsp = outp->virt; 1306 struct lpfc_sli_ct_request *CTcmd = inp->virt; 1307 struct lpfc_nodelist *ndlp; 1308 uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp; 1309 uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp; 1310 struct lpfc_vport *vport = cmdiocb->vport; 1311 IOCB_t *irsp = &rspiocb->iocb; 1312 uint32_t latt; 1313 1314 latt = lpfc_els_chk_latt(vport); 1315 1316 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 1317 "FDMI cmpl: status:x%x/x%x latt:%d", 1318 irsp->ulpStatus, irsp->un.ulpWord[4], latt); 1319 1320 if (latt || irsp->ulpStatus) { 1321 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1322 "0229 FDMI cmd %04x failed, latt = %d " 1323 "ulpStatus: x%x, rid x%x\n", 1324 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus, 1325 irsp->un.ulpWord[4]); 1326 lpfc_ct_free_iocb(phba, cmdiocb); 1327 return; 1328 } 1329 1330 ndlp = lpfc_findnode_did(vport, FDMI_DID); 1331 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) 1332 goto fail_out; 1333 1334 if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) { 1335 /* FDMI rsp failed */ 1336 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1337 "0220 FDMI rsp failed Data: x%x\n", 1338 be16_to_cpu(fdmi_cmd)); 1339 } 1340 1341 switch (be16_to_cpu(fdmi_cmd)) { 1342 case SLI_MGMT_RHBA: 1343 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA); 1344 break; 1345 1346 case SLI_MGMT_RPA: 1347 break; 1348 1349 case SLI_MGMT_DHBA: 1350 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT); 1351 break; 1352 1353 case SLI_MGMT_DPRT: 1354 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA); 1355 break; 1356 } 1357 1358 fail_out: 1359 lpfc_ct_free_iocb(phba, cmdiocb); 1360 return; 1361 } 1362 1363 int 1364 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode) 1365 { 1366 struct lpfc_hba *phba = vport->phba; 1367 struct lpfc_dmabuf *mp, *bmp; 1368 struct lpfc_sli_ct_request *CtReq; 1369 struct ulp_bde64 *bpl; 1370 uint32_t size; 1371 REG_HBA *rh; 1372 PORT_ENTRY *pe; 1373 REG_PORT_ATTRIBUTE *pab; 1374 ATTRIBUTE_BLOCK *ab; 1375 ATTRIBUTE_ENTRY *ae; 1376 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, 1377 struct lpfc_iocbq *); 1378 1379 1380 /* fill in BDEs for command */ 1381 /* Allocate buffer for command payload */ 1382 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 1383 if (!mp) 1384 goto fdmi_cmd_exit; 1385 1386 mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys)); 1387 if (!mp->virt) 1388 goto fdmi_cmd_free_mp; 1389 1390 /* Allocate buffer for Buffer ptr list */ 1391 bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 1392 if (!bmp) 1393 goto fdmi_cmd_free_mpvirt; 1394 1395 bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys)); 1396 if (!bmp->virt) 1397 goto fdmi_cmd_free_bmp; 1398 1399 INIT_LIST_HEAD(&mp->list); 1400 INIT_LIST_HEAD(&bmp->list); 1401 1402 /* FDMI request */ 1403 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1404 "0218 FDMI Request Data: x%x x%x x%x\n", 1405 vport->fc_flag, vport->port_state, cmdcode); 1406 CtReq = (struct lpfc_sli_ct_request *) mp->virt; 1407 1408 memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request)); 1409 CtReq->RevisionId.bits.Revision = SLI_CT_REVISION; 1410 CtReq->RevisionId.bits.InId = 0; 1411 1412 CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE; 1413 CtReq->FsSubType = SLI_CT_FDMI_Subtypes; 1414 size = 0; 1415 1416 switch (cmdcode) { 1417 case SLI_MGMT_RHBA: 1418 { 1419 lpfc_vpd_t *vp = &phba->vpd; 1420 uint32_t i, j, incr; 1421 int len; 1422 1423 CtReq->CommandResponse.bits.CmdRsp = 1424 be16_to_cpu(SLI_MGMT_RHBA); 1425 CtReq->CommandResponse.bits.Size = 0; 1426 rh = (REG_HBA *) & CtReq->un.PortID; 1427 memcpy(&rh->hi.PortName, &vport->fc_sparam.portName, 1428 sizeof (struct lpfc_name)); 1429 /* One entry (port) per adapter */ 1430 rh->rpl.EntryCnt = be32_to_cpu(1); 1431 memcpy(&rh->rpl.pe, &vport->fc_sparam.portName, 1432 sizeof (struct lpfc_name)); 1433 1434 /* point to the HBA attribute block */ 1435 size = 2 * sizeof (struct lpfc_name) + FOURBYTES; 1436 ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size); 1437 ab->EntryCnt = 0; 1438 1439 /* Point to the beginning of the first HBA attribute 1440 entry */ 1441 /* #1 HBA attribute entry */ 1442 size += FOURBYTES; 1443 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); 1444 ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME); 1445 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES 1446 + sizeof (struct lpfc_name)); 1447 memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName, 1448 sizeof (struct lpfc_name)); 1449 ab->EntryCnt++; 1450 size += FOURBYTES + sizeof (struct lpfc_name); 1451 1452 /* #2 HBA attribute entry */ 1453 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); 1454 ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER); 1455 strcpy(ae->un.Manufacturer, "Emulex Corporation"); 1456 len = strlen(ae->un.Manufacturer); 1457 len += (len & 3) ? (4 - (len & 3)) : 4; 1458 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); 1459 ab->EntryCnt++; 1460 size += FOURBYTES + len; 1461 1462 /* #3 HBA attribute entry */ 1463 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); 1464 ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER); 1465 strcpy(ae->un.SerialNumber, phba->SerialNumber); 1466 len = strlen(ae->un.SerialNumber); 1467 len += (len & 3) ? (4 - (len & 3)) : 4; 1468 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); 1469 ab->EntryCnt++; 1470 size += FOURBYTES + len; 1471 1472 /* #4 HBA attribute entry */ 1473 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); 1474 ae->ad.bits.AttrType = be16_to_cpu(MODEL); 1475 strcpy(ae->un.Model, phba->ModelName); 1476 len = strlen(ae->un.Model); 1477 len += (len & 3) ? (4 - (len & 3)) : 4; 1478 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); 1479 ab->EntryCnt++; 1480 size += FOURBYTES + len; 1481 1482 /* #5 HBA attribute entry */ 1483 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); 1484 ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION); 1485 strcpy(ae->un.ModelDescription, phba->ModelDesc); 1486 len = strlen(ae->un.ModelDescription); 1487 len += (len & 3) ? (4 - (len & 3)) : 4; 1488 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); 1489 ab->EntryCnt++; 1490 size += FOURBYTES + len; 1491 1492 /* #6 HBA attribute entry */ 1493 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); 1494 ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION); 1495 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8); 1496 /* Convert JEDEC ID to ascii for hardware version */ 1497 incr = vp->rev.biuRev; 1498 for (i = 0; i < 8; i++) { 1499 j = (incr & 0xf); 1500 if (j <= 9) 1501 ae->un.HardwareVersion[7 - i] = 1502 (char)((uint8_t) 0x30 + 1503 (uint8_t) j); 1504 else 1505 ae->un.HardwareVersion[7 - i] = 1506 (char)((uint8_t) 0x61 + 1507 (uint8_t) (j - 10)); 1508 incr = (incr >> 4); 1509 } 1510 ab->EntryCnt++; 1511 size += FOURBYTES + 8; 1512 1513 /* #7 HBA attribute entry */ 1514 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); 1515 ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION); 1516 strcpy(ae->un.DriverVersion, lpfc_release_version); 1517 len = strlen(ae->un.DriverVersion); 1518 len += (len & 3) ? (4 - (len & 3)) : 4; 1519 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); 1520 ab->EntryCnt++; 1521 size += FOURBYTES + len; 1522 1523 /* #8 HBA attribute entry */ 1524 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); 1525 ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION); 1526 strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion); 1527 len = strlen(ae->un.OptionROMVersion); 1528 len += (len & 3) ? (4 - (len & 3)) : 4; 1529 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); 1530 ab->EntryCnt++; 1531 size += FOURBYTES + len; 1532 1533 /* #9 HBA attribute entry */ 1534 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); 1535 ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION); 1536 lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion, 1537 1); 1538 len = strlen(ae->un.FirmwareVersion); 1539 len += (len & 3) ? (4 - (len & 3)) : 4; 1540 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); 1541 ab->EntryCnt++; 1542 size += FOURBYTES + len; 1543 1544 /* #10 HBA attribute entry */ 1545 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); 1546 ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION); 1547 sprintf(ae->un.OsNameVersion, "%s %s %s", 1548 init_utsname()->sysname, 1549 init_utsname()->release, 1550 init_utsname()->version); 1551 len = strlen(ae->un.OsNameVersion); 1552 len += (len & 3) ? (4 - (len & 3)) : 4; 1553 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); 1554 ab->EntryCnt++; 1555 size += FOURBYTES + len; 1556 1557 /* #11 HBA attribute entry */ 1558 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); 1559 ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN); 1560 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4); 1561 ae->un.MaxCTPayloadLen = (65 * 4096); 1562 ab->EntryCnt++; 1563 size += FOURBYTES + 4; 1564 1565 ab->EntryCnt = be32_to_cpu(ab->EntryCnt); 1566 /* Total size */ 1567 size = GID_REQUEST_SZ - 4 + size; 1568 } 1569 break; 1570 1571 case SLI_MGMT_RPA: 1572 { 1573 lpfc_vpd_t *vp; 1574 struct serv_parm *hsp; 1575 int len; 1576 1577 vp = &phba->vpd; 1578 1579 CtReq->CommandResponse.bits.CmdRsp = 1580 be16_to_cpu(SLI_MGMT_RPA); 1581 CtReq->CommandResponse.bits.Size = 0; 1582 pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID; 1583 size = sizeof (struct lpfc_name) + FOURBYTES; 1584 memcpy((uint8_t *) & pab->PortName, 1585 (uint8_t *) & vport->fc_sparam.portName, 1586 sizeof (struct lpfc_name)); 1587 pab->ab.EntryCnt = 0; 1588 1589 /* #1 Port attribute entry */ 1590 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); 1591 ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES); 1592 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32); 1593 ae->un.SupportFC4Types[2] = 1; 1594 ae->un.SupportFC4Types[7] = 1; 1595 pab->ab.EntryCnt++; 1596 size += FOURBYTES + 32; 1597 1598 /* #2 Port attribute entry */ 1599 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); 1600 ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED); 1601 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4); 1602 1603 ae->un.SupportSpeed = 0; 1604 if (phba->lmt & LMT_16Gb) 1605 ae->un.SupportSpeed |= HBA_PORTSPEED_16GBIT; 1606 if (phba->lmt & LMT_10Gb) 1607 ae->un.SupportSpeed |= HBA_PORTSPEED_10GBIT; 1608 if (phba->lmt & LMT_8Gb) 1609 ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT; 1610 if (phba->lmt & LMT_4Gb) 1611 ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT; 1612 if (phba->lmt & LMT_2Gb) 1613 ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT; 1614 if (phba->lmt & LMT_1Gb) 1615 ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT; 1616 1617 pab->ab.EntryCnt++; 1618 size += FOURBYTES + 4; 1619 1620 /* #3 Port attribute entry */ 1621 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); 1622 ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED); 1623 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4); 1624 switch(phba->fc_linkspeed) { 1625 case LPFC_LINK_SPEED_1GHZ: 1626 ae->un.PortSpeed = HBA_PORTSPEED_1GBIT; 1627 break; 1628 case LPFC_LINK_SPEED_2GHZ: 1629 ae->un.PortSpeed = HBA_PORTSPEED_2GBIT; 1630 break; 1631 case LPFC_LINK_SPEED_4GHZ: 1632 ae->un.PortSpeed = HBA_PORTSPEED_4GBIT; 1633 break; 1634 case LPFC_LINK_SPEED_8GHZ: 1635 ae->un.PortSpeed = HBA_PORTSPEED_8GBIT; 1636 break; 1637 case LPFC_LINK_SPEED_10GHZ: 1638 ae->un.PortSpeed = HBA_PORTSPEED_10GBIT; 1639 break; 1640 case LPFC_LINK_SPEED_16GHZ: 1641 ae->un.PortSpeed = HBA_PORTSPEED_16GBIT; 1642 break; 1643 default: 1644 ae->un.PortSpeed = HBA_PORTSPEED_UNKNOWN; 1645 break; 1646 } 1647 pab->ab.EntryCnt++; 1648 size += FOURBYTES + 4; 1649 1650 /* #4 Port attribute entry */ 1651 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); 1652 ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE); 1653 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4); 1654 hsp = (struct serv_parm *) & vport->fc_sparam; 1655 ae->un.MaxFrameSize = 1656 (((uint32_t) hsp->cmn. 1657 bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn. 1658 bbRcvSizeLsb; 1659 pab->ab.EntryCnt++; 1660 size += FOURBYTES + 4; 1661 1662 /* #5 Port attribute entry */ 1663 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); 1664 ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME); 1665 strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME); 1666 len = strlen((char *)ae->un.OsDeviceName); 1667 len += (len & 3) ? (4 - (len & 3)) : 4; 1668 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); 1669 pab->ab.EntryCnt++; 1670 size += FOURBYTES + len; 1671 1672 if (vport->cfg_fdmi_on == 2) { 1673 /* #6 Port attribute entry */ 1674 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + 1675 size); 1676 ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME); 1677 sprintf(ae->un.HostName, "%s", 1678 init_utsname()->nodename); 1679 len = strlen(ae->un.HostName); 1680 len += (len & 3) ? (4 - (len & 3)) : 4; 1681 ae->ad.bits.AttrLen = 1682 be16_to_cpu(FOURBYTES + len); 1683 pab->ab.EntryCnt++; 1684 size += FOURBYTES + len; 1685 } 1686 1687 pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt); 1688 /* Total size */ 1689 size = GID_REQUEST_SZ - 4 + size; 1690 } 1691 break; 1692 1693 case SLI_MGMT_DHBA: 1694 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA); 1695 CtReq->CommandResponse.bits.Size = 0; 1696 pe = (PORT_ENTRY *) & CtReq->un.PortID; 1697 memcpy((uint8_t *) & pe->PortName, 1698 (uint8_t *) & vport->fc_sparam.portName, 1699 sizeof (struct lpfc_name)); 1700 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name); 1701 break; 1702 1703 case SLI_MGMT_DPRT: 1704 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT); 1705 CtReq->CommandResponse.bits.Size = 0; 1706 pe = (PORT_ENTRY *) & CtReq->un.PortID; 1707 memcpy((uint8_t *) & pe->PortName, 1708 (uint8_t *) & vport->fc_sparam.portName, 1709 sizeof (struct lpfc_name)); 1710 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name); 1711 break; 1712 } 1713 1714 bpl = (struct ulp_bde64 *) bmp->virt; 1715 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) ); 1716 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) ); 1717 bpl->tus.f.bdeFlags = 0; 1718 bpl->tus.f.bdeSize = size; 1719 bpl->tus.w = le32_to_cpu(bpl->tus.w); 1720 1721 cmpl = lpfc_cmpl_ct_cmd_fdmi; 1722 1723 /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count 1724 * to hold ndlp reference for the corresponding callback function. 1725 */ 1726 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0)) 1727 return 0; 1728 1729 /* Decrement ndlp reference count to release ndlp reference held 1730 * for the failed command's callback function. 1731 */ 1732 lpfc_nlp_put(ndlp); 1733 1734 lpfc_mbuf_free(phba, bmp->virt, bmp->phys); 1735 fdmi_cmd_free_bmp: 1736 kfree(bmp); 1737 fdmi_cmd_free_mpvirt: 1738 lpfc_mbuf_free(phba, mp->virt, mp->phys); 1739 fdmi_cmd_free_mp: 1740 kfree(mp); 1741 fdmi_cmd_exit: 1742 /* Issue FDMI request failed */ 1743 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1744 "0244 Issue FDMI request failed Data: x%x\n", 1745 cmdcode); 1746 return 1; 1747 } 1748 1749 /** 1750 * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer. 1751 * @ptr - Context object of the timer. 1752 * 1753 * This function set the WORKER_DELAYED_DISC_TMO flag and wake up 1754 * the worker thread. 1755 **/ 1756 void 1757 lpfc_delayed_disc_tmo(unsigned long ptr) 1758 { 1759 struct lpfc_vport *vport = (struct lpfc_vport *)ptr; 1760 struct lpfc_hba *phba = vport->phba; 1761 uint32_t tmo_posted; 1762 unsigned long iflag; 1763 1764 spin_lock_irqsave(&vport->work_port_lock, iflag); 1765 tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO; 1766 if (!tmo_posted) 1767 vport->work_port_events |= WORKER_DELAYED_DISC_TMO; 1768 spin_unlock_irqrestore(&vport->work_port_lock, iflag); 1769 1770 if (!tmo_posted) 1771 lpfc_worker_wake_up(phba); 1772 return; 1773 } 1774 1775 /** 1776 * lpfc_delayed_disc_timeout_handler - Function called by worker thread to 1777 * handle delayed discovery. 1778 * @vport: pointer to a host virtual N_Port data structure. 1779 * 1780 * This function start nport discovery of the vport. 1781 **/ 1782 void 1783 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport) 1784 { 1785 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 1786 1787 spin_lock_irq(shost->host_lock); 1788 if (!(vport->fc_flag & FC_DISC_DELAYED)) { 1789 spin_unlock_irq(shost->host_lock); 1790 return; 1791 } 1792 vport->fc_flag &= ~FC_DISC_DELAYED; 1793 spin_unlock_irq(shost->host_lock); 1794 1795 lpfc_do_scr_ns_plogi(vport->phba, vport); 1796 } 1797 1798 void 1799 lpfc_fdmi_tmo(unsigned long ptr) 1800 { 1801 struct lpfc_vport *vport = (struct lpfc_vport *)ptr; 1802 struct lpfc_hba *phba = vport->phba; 1803 uint32_t tmo_posted; 1804 unsigned long iflag; 1805 1806 spin_lock_irqsave(&vport->work_port_lock, iflag); 1807 tmo_posted = vport->work_port_events & WORKER_FDMI_TMO; 1808 if (!tmo_posted) 1809 vport->work_port_events |= WORKER_FDMI_TMO; 1810 spin_unlock_irqrestore(&vport->work_port_lock, iflag); 1811 1812 if (!tmo_posted) 1813 lpfc_worker_wake_up(phba); 1814 return; 1815 } 1816 1817 void 1818 lpfc_fdmi_timeout_handler(struct lpfc_vport *vport) 1819 { 1820 struct lpfc_nodelist *ndlp; 1821 1822 ndlp = lpfc_findnode_did(vport, FDMI_DID); 1823 if (ndlp && NLP_CHK_NODE_ACT(ndlp)) { 1824 if (init_utsname()->nodename[0] != '\0') 1825 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); 1826 else 1827 mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); 1828 } 1829 return; 1830 } 1831 1832 void 1833 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag) 1834 { 1835 struct lpfc_sli *psli = &phba->sli; 1836 lpfc_vpd_t *vp = &phba->vpd; 1837 uint32_t b1, b2, b3, b4, i, rev; 1838 char c; 1839 uint32_t *ptr, str[4]; 1840 uint8_t *fwname; 1841 1842 if (phba->sli_rev == LPFC_SLI_REV4) 1843 snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName); 1844 else if (vp->rev.rBit) { 1845 if (psli->sli_flag & LPFC_SLI_ACTIVE) 1846 rev = vp->rev.sli2FwRev; 1847 else 1848 rev = vp->rev.sli1FwRev; 1849 1850 b1 = (rev & 0x0000f000) >> 12; 1851 b2 = (rev & 0x00000f00) >> 8; 1852 b3 = (rev & 0x000000c0) >> 6; 1853 b4 = (rev & 0x00000030) >> 4; 1854 1855 switch (b4) { 1856 case 0: 1857 c = 'N'; 1858 break; 1859 case 1: 1860 c = 'A'; 1861 break; 1862 case 2: 1863 c = 'B'; 1864 break; 1865 case 3: 1866 c = 'X'; 1867 break; 1868 default: 1869 c = 0; 1870 break; 1871 } 1872 b4 = (rev & 0x0000000f); 1873 1874 if (psli->sli_flag & LPFC_SLI_ACTIVE) 1875 fwname = vp->rev.sli2FwName; 1876 else 1877 fwname = vp->rev.sli1FwName; 1878 1879 for (i = 0; i < 16; i++) 1880 if (fwname[i] == 0x20) 1881 fwname[i] = 0; 1882 1883 ptr = (uint32_t*)fwname; 1884 1885 for (i = 0; i < 3; i++) 1886 str[i] = be32_to_cpu(*ptr++); 1887 1888 if (c == 0) { 1889 if (flag) 1890 sprintf(fwrevision, "%d.%d%d (%s)", 1891 b1, b2, b3, (char *)str); 1892 else 1893 sprintf(fwrevision, "%d.%d%d", b1, 1894 b2, b3); 1895 } else { 1896 if (flag) 1897 sprintf(fwrevision, "%d.%d%d%c%d (%s)", 1898 b1, b2, b3, c, 1899 b4, (char *)str); 1900 else 1901 sprintf(fwrevision, "%d.%d%d%c%d", 1902 b1, b2, b3, c, b4); 1903 } 1904 } else { 1905 rev = vp->rev.smFwRev; 1906 1907 b1 = (rev & 0xff000000) >> 24; 1908 b2 = (rev & 0x00f00000) >> 20; 1909 b3 = (rev & 0x000f0000) >> 16; 1910 c = (rev & 0x0000ff00) >> 8; 1911 b4 = (rev & 0x000000ff); 1912 1913 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4); 1914 } 1915 return; 1916 } 1917