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