drivers/scsi/lpfc/lpfc_ct.c

   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/utsname.h>
  29
  30 #include <scsi/scsi.h>
  31 #include <scsi/scsi_device.h>
  32 #include <scsi/scsi_host.h>
  33 #include <scsi/scsi_transport_fc.h>
  34 #include <scsi/fc/fc_fs.h>
  35
  36 #include "lpfc_hw4.h"
  37 #include "lpfc_hw.h"
  38 #include "lpfc_sli.h"
  39 #include "lpfc_sli4.h"
  40 #include "lpfc_nl.h"
  41 #include "lpfc_disc.h"
  42 #include "lpfc_scsi.h"
  43 #include "lpfc.h"
  44 #include "lpfc_logmsg.h"
  45 #include "lpfc_crtn.h"
  46 #include "lpfc_version.h"
  47 #include "lpfc_vport.h"
  48 #include "lpfc_debugfs.h"
  49
  50 #define HBA_PORTSPEED_UNKNOWN               0   /* Unknown - transceiver
  51                                                  * incapable of reporting */
  52 #define HBA_PORTSPEED_1GBIT                 1   /* 1 GBit/sec */
  53 #define HBA_PORTSPEED_2GBIT                 2   /* 2 GBit/sec */
  54 #define HBA_PORTSPEED_4GBIT                 8   /* 4 GBit/sec */
  55 #define HBA_PORTSPEED_8GBIT                16   /* 8 GBit/sec */
  56 #define HBA_PORTSPEED_10GBIT                4   /* 10 GBit/sec */
  57 #define HBA_PORTSPEED_NOT_NEGOTIATED        5   /* Speed not established */
  58
  59 #define FOURBYTES       4
  60
  61
  62 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
  63
  64 static void
  65 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  66                           struct lpfc_dmabuf *mp, uint32_t size)
  67 {
  68         if (!mp) {
  69                 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  70                                 "0146 Ignoring unsolicited CT No HBQ "
  71                                 "status = x%x\n",
  72                                 piocbq->iocb.ulpStatus);
  73         }
  74         lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  75                         "0145 Ignoring unsolicted CT HBQ Size:%d "
  76                         "status = x%x\n",
  77                         size, piocbq->iocb.ulpStatus);
  78 }
  79
  80 static void
  81 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  82                      struct lpfc_dmabuf *mp, uint32_t size)
  83 {
  84         lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
  85 }
  86
  87 void
  88 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
  89                     struct lpfc_iocbq *piocbq)
  90 {
  91         struct lpfc_dmabuf *mp = NULL;
  92         IOCB_t *icmd = &piocbq->iocb;
  93         int i;
  94         struct lpfc_iocbq *iocbq;
  95         dma_addr_t paddr;
  96         uint32_t size;
  97         struct list_head head;
  98         struct lpfc_dmabuf *bdeBuf;
  99
 100         if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
 101                 return;
 102
 103         if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
 104                 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
 105         } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 106                 ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
 107                 /* Not enough posted buffers; Try posting more buffers */
 108                 phba->fc_stat.NoRcvBuf++;
 109                 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 110                         lpfc_post_buffer(phba, pring, 2);
 111                 return;
 112         }
 113
 114         /* If there are no BDEs associated with this IOCB,
 115          * there is nothing to do.
 116          */
 117         if (icmd->ulpBdeCount == 0)
 118                 return;
 119
 120         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 121                 INIT_LIST_HEAD(&head);
 122                 list_add_tail(&head, &piocbq->list);
 123                 list_for_each_entry(iocbq, &head, list) {
 124                         icmd = &iocbq->iocb;
 125                         if (icmd->ulpBdeCount == 0)
 126                                 continue;
 127                         bdeBuf = iocbq->context2;
 128                         iocbq->context2 = NULL;
 129                         size  = icmd->un.cont64[0].tus.f.bdeSize;
 130                         lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
 131                         lpfc_in_buf_free(phba, bdeBuf);
 132                         if (icmd->ulpBdeCount == 2) {
 133                                 bdeBuf = iocbq->context3;
 134                                 iocbq->context3 = NULL;
 135                                 size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
 136                                 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
 137                                                      size);
 138                                 lpfc_in_buf_free(phba, bdeBuf);
 139                         }
 140                 }
 141                 list_del(&head);
 142         } else {
 143                 INIT_LIST_HEAD(&head);
 144                 list_add_tail(&head, &piocbq->list);
 145                 list_for_each_entry(iocbq, &head, list) {
 146                         icmd = &iocbq->iocb;
 147                         if (icmd->ulpBdeCount == 0)
 148                                 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 149                         for (i = 0; i < icmd->ulpBdeCount; i++) {
 150                                 paddr = getPaddr(icmd->un.cont64[i].addrHigh,
 151                                                  icmd->un.cont64[i].addrLow);
 152                                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
 153                                                               paddr);
 154                                 size = icmd->un.cont64[i].tus.f.bdeSize;
 155                                 lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 156                                 lpfc_in_buf_free(phba, mp);
 157                         }
 158                         lpfc_post_buffer(phba, pring, i);
 159                 }
 160                 list_del(&head);
 161         }
 162 }
 163
 164 /**
 165  * lpfc_sli4_ct_abort_unsol_event - Default handle for sli4 unsol abort
 166  * @phba: Pointer to HBA context object.
 167  * @pring: Pointer to the driver internal I/O ring.
 168  * @piocbq: Pointer to the IOCBQ.
 169  *
 170  * This function serves as the default handler for the sli4 unsolicited
 171  * abort event. It shall be invoked when there is no application interface
 172  * registered unsolicited abort handler. This handler does nothing but
 173  * just simply releases the dma buffer used by the unsol abort event.
 174  **/
 175 void
 176 lpfc_sli4_ct_abort_unsol_event(struct lpfc_hba *phba,
 177                                struct lpfc_sli_ring *pring,
 178                                struct lpfc_iocbq *piocbq)
 179 {
 180         IOCB_t *icmd = &piocbq->iocb;
 181         struct lpfc_dmabuf *bdeBuf;
 182         uint32_t size;
 183
 184         /* Forward abort event to any process registered to receive ct event */
 185         if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
 186                 return;
 187
 188         /* If there is no BDE associated with IOCB, there is nothing to do */
 189         if (icmd->ulpBdeCount == 0)
 190                 return;
 191         bdeBuf = piocbq->context2;
 192         piocbq->context2 = NULL;
 193         size  = icmd->un.cont64[0].tus.f.bdeSize;
 194         lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
 195         lpfc_in_buf_free(phba, bdeBuf);
 196 }
 197
 198 static void
 199 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 200 {
 201         struct lpfc_dmabuf *mlast, *next_mlast;
 202
 203         list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 204                 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 205                 list_del(&mlast->list);
 206                 kfree(mlast);
 207         }
 208         lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 209         kfree(mlist);
 210         return;
 211 }
 212
 213 static struct lpfc_dmabuf *
 214 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 215                   uint32_t size, int *entries)
 216 {
 217         struct lpfc_dmabuf *mlist = NULL;
 218         struct lpfc_dmabuf *mp;
 219         int cnt, i = 0;
 220
 221         /* We get chunks of FCELSSIZE */
 222         cnt = size > FCELSSIZE ? FCELSSIZE: size;
 223
 224         while (size) {
 225                 /* Allocate buffer for rsp payload */
 226                 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 227                 if (!mp) {
 228                         if (mlist)
 229                                 lpfc_free_ct_rsp(phba, mlist);
 230                         return NULL;
 231                 }
 232
 233                 INIT_LIST_HEAD(&mp->list);
 234
 235                 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 236                     cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 237                         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 238                 else
 239                         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 240
 241                 if (!mp->virt) {
 242                         kfree(mp);
 243                         if (mlist)
 244                                 lpfc_free_ct_rsp(phba, mlist);
 245                         return NULL;
 246                 }
 247
 248                 /* Queue it to a linked list */
 249                 if (!mlist)
 250                         mlist = mp;
 251                 else
 252                         list_add_tail(&mp->list, &mlist->list);
 253
 254                 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 255                 /* build buffer ptr list for IOCB */
 256                 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 257                 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 258                 bpl->tus.f.bdeSize = (uint16_t) cnt;
 259                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
 260                 bpl++;
 261
 262                 i++;
 263                 size -= cnt;
 264         }
 265
 266         *entries = i;
 267         return mlist;
 268 }
 269
 270 int
 271 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 272 {
 273         struct lpfc_dmabuf *buf_ptr;
 274
 275         if (ctiocb->context_un.ndlp) {
 276                 lpfc_nlp_put(ctiocb->context_un.ndlp);
 277                 ctiocb->context_un.ndlp = NULL;
 278         }
 279         if (ctiocb->context1) {
 280                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
 281                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 282                 kfree(buf_ptr);
 283                 ctiocb->context1 = NULL;
 284         }
 285         if (ctiocb->context2) {
 286                 lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
 287                 ctiocb->context2 = NULL;
 288         }
 289
 290         if (ctiocb->context3) {
 291                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
 292                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 293                 kfree(buf_ptr);
 294                 ctiocb->context1 = NULL;
 295         }
 296         lpfc_sli_release_iocbq(phba, ctiocb);
 297         return 0;
 298 }
 299
 300 static int
 301 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 302              struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 303              void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 304                      struct lpfc_iocbq *),
 305              struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
 306              uint32_t tmo, uint8_t retry)
 307 {
 308         struct lpfc_hba  *phba = vport->phba;
 309         IOCB_t *icmd;
 310         struct lpfc_iocbq *geniocb;
 311         int rc;
 312
 313         /* Allocate buffer for  command iocb */
 314         geniocb = lpfc_sli_get_iocbq(phba);
 315
 316         if (geniocb == NULL)
 317                 return 1;
 318
 319         icmd = &geniocb->iocb;
 320         icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 321         icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 322         icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 323         icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 324         icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
 325
 326         if (usr_flg)
 327                 geniocb->context3 = NULL;
 328         else
 329                 geniocb->context3 = (uint8_t *) bmp;
 330
 331         /* Save for completion so we can release these resources */
 332         geniocb->context1 = (uint8_t *) inp;
 333         geniocb->context2 = (uint8_t *) outp;
 334         geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
 335
 336         /* Fill in payload, bp points to frame payload */
 337         icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
 338
 339         /* Fill in rest of iocb */
 340         icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 341         icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 342         icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
 343         icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 344
 345         if (!tmo) {
 346                  /* FC spec states we need 3 * ratov for CT requests */
 347                 tmo = (3 * phba->fc_ratov);
 348         }
 349         icmd->ulpTimeout = tmo;
 350         icmd->ulpBdeCount = 1;
 351         icmd->ulpLe = 1;
 352         icmd->ulpClass = CLASS3;
 353         icmd->ulpContext = ndlp->nlp_rpi;
 354
 355         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 356                 /* For GEN_REQUEST64_CR, use the RPI */
 357                 icmd->ulpCt_h = 0;
 358                 icmd->ulpCt_l = 0;
 359         }
 360
 361         /* Issue GEN REQ IOCB for NPORT <did> */
 362         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 363                          "0119 Issue GEN REQ IOCB to NPORT x%x "
 364                          "Data: x%x x%x\n",
 365                          ndlp->nlp_DID, icmd->ulpIoTag,
 366                          vport->port_state);
 367         geniocb->iocb_cmpl = cmpl;
 368         geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 369         geniocb->vport = vport;
 370         geniocb->retry = retry;
 371         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
 372
 373         if (rc == IOCB_ERROR) {
 374                 lpfc_sli_release_iocbq(phba, geniocb);
 375                 return 1;
 376         }
 377
 378         return 0;
 379 }
 380
 381 static int
 382 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 383             struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 384             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 385                           struct lpfc_iocbq *),
 386             uint32_t rsp_size, uint8_t retry)
 387 {
 388         struct lpfc_hba  *phba = vport->phba;
 389         struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 390         struct lpfc_dmabuf *outmp;
 391         int cnt = 0, status;
 392         int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 393                 CommandResponse.bits.CmdRsp;
 394
 395         bpl++;                  /* Skip past ct request */
 396
 397         /* Put buffer(s) for ct rsp in bpl */
 398         outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 399         if (!outmp)
 400                 return -ENOMEM;
 401         /*
 402          * Form the CT IOCB.  The total number of BDEs in this IOCB
 403          * is the single command plus response count from
 404          * lpfc_alloc_ct_rsp.
 405          */
 406         cnt += 1;
 407         status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
 408                               cnt, 0, retry);
 409         if (status) {
 410                 lpfc_free_ct_rsp(phba, outmp);
 411                 return -ENOMEM;
 412         }
 413         return 0;
 414 }
 415
 416 struct lpfc_vport *
 417 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 418         struct lpfc_vport *vport_curr;
 419         unsigned long flags;
 420
 421         spin_lock_irqsave(&phba->hbalock, flags);
 422         list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 423                 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 424                         spin_unlock_irqrestore(&phba->hbalock, flags);
 425                         return vport_curr;
 426                 }
 427         }
 428         spin_unlock_irqrestore(&phba->hbalock, flags);
 429         return NULL;
 430 }
 431
 432 static int
 433 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
 434 {
 435         struct lpfc_hba  *phba = vport->phba;
 436         struct lpfc_sli_ct_request *Response =
 437                 (struct lpfc_sli_ct_request *) mp->virt;
 438         struct lpfc_nodelist *ndlp = NULL;
 439         struct lpfc_dmabuf *mlast, *next_mp;
 440         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 441         uint32_t Did, CTentry;
 442         int Cnt;
 443         struct list_head head;
 444
 445         lpfc_set_disctmo(vport);
 446         vport->num_disc_nodes = 0;
 447         vport->fc_ns_retry = 0;
 448
 449
 450         list_add_tail(&head, &mp->list);
 451         list_for_each_entry_safe(mp, next_mp, &head, list) {
 452                 mlast = mp;
 453
 454                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 455
 456                 Size -= Cnt;
 457
 458                 if (!ctptr) {
 459                         ctptr = (uint32_t *) mlast->virt;
 460                 } else
 461                         Cnt -= 16;      /* subtract length of CT header */
 462
 463                 /* Loop through entire NameServer list of DIDs */
 464                 while (Cnt >= sizeof (uint32_t)) {
 465                         /* Get next DID from NameServer List */
 466                         CTentry = *ctptr++;
 467                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 468
 469                         ndlp = NULL;
 470
 471                         /*
 472                          * Check for rscn processing or not
 473                          * To conserve rpi's, filter out addresses for other
 474                          * vports on the same physical HBAs.
 475                          */
 476                         if ((Did != vport->fc_myDID) &&
 477                             ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
 478                              vport->cfg_peer_port_login)) {
 479                                 if ((vport->port_type != LPFC_NPIV_PORT) ||
 480                                     (!(vport->ct_flags & FC_CT_RFF_ID)) ||
 481                                     (!vport->cfg_restrict_login)) {
 482                                         ndlp = lpfc_setup_disc_node(vport, Did);
 483                                         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 484                                                 lpfc_debugfs_disc_trc(vport,
 485                                                 LPFC_DISC_TRC_CT,
 486                                                 "Parse GID_FTrsp: "
 487                                                 "did:x%x flg:x%x x%x",
 488                                                 Did, ndlp->nlp_flag,
 489                                                 vport->fc_flag);
 490
 491                                                 lpfc_printf_vlog(vport,
 492                                                         KERN_INFO,
 493                                                         LOG_DISCOVERY,
 494                                                         "0238 Process "
 495                                                         "x%x NameServer Rsp"
 496                                                         "Data: x%x x%x x%x\n",
 497                                                         Did, ndlp->nlp_flag,
 498                                                         vport->fc_flag,
 499                                                         vport->fc_rscn_id_cnt);
 500                                         } else {
 501                                                 lpfc_debugfs_disc_trc(vport,
 502                                                 LPFC_DISC_TRC_CT,
 503                                                 "Skip1 GID_FTrsp: "
 504                                                 "did:x%x flg:x%x cnt:%d",
 505                                                 Did, vport->fc_flag,
 506                                                 vport->fc_rscn_id_cnt);
 507
 508                                                 lpfc_printf_vlog(vport,
 509                                                         KERN_INFO,
 510                                                         LOG_DISCOVERY,
 511                                                         "0239 Skip x%x "
 512                                                         "NameServer Rsp Data: "
 513                                                         "x%x x%x\n",
 514                                                         Did, vport->fc_flag,
 515                                                         vport->fc_rscn_id_cnt);
 516                                         }
 517
 518                                 } else {
 519                                         if (!(vport->fc_flag & FC_RSCN_MODE) ||
 520                                         (lpfc_rscn_payload_check(vport, Did))) {
 521                                                 lpfc_debugfs_disc_trc(vport,
 522                                                 LPFC_DISC_TRC_CT,
 523                                                 "Query GID_FTrsp: "
 524                                                 "did:x%x flg:x%x cnt:%d",
 525                                                 Did, vport->fc_flag,
 526                                                 vport->fc_rscn_id_cnt);
 527
 528                                                 /* This NPortID was previously
 529                                                  * a FCP target, * Don't even
 530                                                  * bother to send GFF_ID.
 531                                                  */
 532                                                 ndlp = lpfc_findnode_did(vport,
 533                                                         Did);
 534                                                 if (ndlp &&
 535                                                     NLP_CHK_NODE_ACT(ndlp)
 536                                                     && (ndlp->nlp_type &
 537                                                      NLP_FCP_TARGET))
 538                                                         lpfc_setup_disc_node
 539                                                                 (vport, Did);
 540                                                 else if (lpfc_ns_cmd(vport,
 541                                                         SLI_CTNS_GFF_ID,
 542                                                         0, Did) == 0)
 543                                                         vport->num_disc_nodes++;
 544                                                 else
 545                                                         lpfc_setup_disc_node
 546                                                                 (vport, Did);
 547                                         }
 548                                         else {
 549                                                 lpfc_debugfs_disc_trc(vport,
 550                                                 LPFC_DISC_TRC_CT,
 551                                                 "Skip2 GID_FTrsp: "
 552                                                 "did:x%x flg:x%x cnt:%d",
 553                                                 Did, vport->fc_flag,
 554                                                 vport->fc_rscn_id_cnt);
 555
 556                                                 lpfc_printf_vlog(vport,
 557                                                         KERN_INFO,
 558                                                         LOG_DISCOVERY,
 559                                                         "0245 Skip x%x "
 560                                                         "NameServer Rsp Data: "
 561                                                         "x%x x%x\n",
 562                                                         Did, vport->fc_flag,
 563                                                         vport->fc_rscn_id_cnt);
 564                                         }
 565                                 }
 566                         }
 567                         if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY)))
 568                                 goto nsout1;
 569                         Cnt -= sizeof (uint32_t);
 570                 }
 571                 ctptr = NULL;
 572
 573         }
 574
 575 nsout1:
 576         list_del(&head);
 577         return 0;
 578 }
 579
 580 static void
 581 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 582                         struct lpfc_iocbq *rspiocb)
 583 {
 584         struct lpfc_vport *vport = cmdiocb->vport;
 585         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 586         IOCB_t *irsp;
 587         struct lpfc_dmabuf *bmp;
 588         struct lpfc_dmabuf *outp;
 589         struct lpfc_sli_ct_request *CTrsp;
 590         struct lpfc_nodelist *ndlp;
 591         int rc;
 592
 593         /* First save ndlp, before we overwrite it */
 594         ndlp = cmdiocb->context_un.ndlp;
 595
 596         /* we pass cmdiocb to state machine which needs rspiocb as well */
 597         cmdiocb->context_un.rsp_iocb = rspiocb;
 598
 599         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 600         bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
 601         irsp = &rspiocb->iocb;
 602
 603         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 604                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 605                 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 606
 607         /* Don't bother processing response if vport is being torn down. */
 608         if (vport->load_flag & FC_UNLOADING) {
 609                 if (vport->fc_flag & FC_RSCN_MODE)
 610                         lpfc_els_flush_rscn(vport);
 611                 goto out;
 612         }
 613
 614         if (lpfc_els_chk_latt(vport)) {
 615                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 616                                  "0216 Link event during NS query\n");
 617                 if (vport->fc_flag & FC_RSCN_MODE)
 618                         lpfc_els_flush_rscn(vport);
 619                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 620                 goto out;
 621         }
 622         if (lpfc_error_lost_link(irsp)) {
 623                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 624                                  "0226 NS query failed due to link event\n");
 625                 if (vport->fc_flag & FC_RSCN_MODE)
 626                         lpfc_els_flush_rscn(vport);
 627                 goto out;
 628         }
 629         if (irsp->ulpStatus) {
 630                 /* Check for retry */
 631                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 632                         if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
 633                             irsp->un.ulpWord[4] != IOERR_NO_RESOURCES)
 634                                 vport->fc_ns_retry++;
 635
 636                         /* CT command is being retried */
 637                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
 638                                          vport->fc_ns_retry, 0);
 639                         if (rc == 0)
 640                                 goto out;
 641                 }
 642                 if (vport->fc_flag & FC_RSCN_MODE)
 643                         lpfc_els_flush_rscn(vport);
 644                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 645                 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 646                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
 647                                  irsp->ulpStatus, vport->fc_ns_retry);
 648         } else {
 649                 /* Good status, continue checking */
 650                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 651                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 652                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 653                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 654                                          "0208 NameServer Rsp Data: x%x\n",
 655                                          vport->fc_flag);
 656                         lpfc_ns_rsp(vport, outp,
 657                                     (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
 658                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 659                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 660                         /* NameServer Rsp Error */
 661                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 662                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 663                                 lpfc_printf_vlog(vport, KERN_INFO,
 664                                         LOG_DISCOVERY,
 665                                         "0269 No NameServer Entries "
 666                                         "Data: x%x x%x x%x x%x\n",
 667                                         CTrsp->CommandResponse.bits.CmdRsp,
 668                                         (uint32_t) CTrsp->ReasonCode,
 669                                         (uint32_t) CTrsp->Explanation,
 670                                         vport->fc_flag);
 671
 672                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 673                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
 674                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 675                                 (uint32_t) CTrsp->ReasonCode,
 676                                 (uint32_t) CTrsp->Explanation);
 677                         } else {
 678                                 lpfc_printf_vlog(vport, KERN_INFO,
 679                                         LOG_DISCOVERY,
 680                                         "0240 NameServer Rsp Error "
 681                                         "Data: x%x x%x x%x x%x\n",
 682                                         CTrsp->CommandResponse.bits.CmdRsp,
 683                                         (uint32_t) CTrsp->ReasonCode,
 684                                         (uint32_t) CTrsp->Explanation,
 685                                         vport->fc_flag);
 686
 687                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 688                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
 689                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 690                                 (uint32_t) CTrsp->ReasonCode,
 691                                 (uint32_t) CTrsp->Explanation);
 692                         }
 693
 694
 695                 } else {
 696                         /* NameServer Rsp Error */
 697                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 698                                         "0241 NameServer Rsp Error "
 699                                         "Data: x%x x%x x%x x%x\n",
 700                                         CTrsp->CommandResponse.bits.CmdRsp,
 701                                         (uint32_t) CTrsp->ReasonCode,
 702                                         (uint32_t) CTrsp->Explanation,
 703                                         vport->fc_flag);
 704
 705                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 706                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
 707                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 708                                 (uint32_t) CTrsp->ReasonCode,
 709                                 (uint32_t) CTrsp->Explanation);
 710                 }
 711         }
 712         /* Link up / RSCN discovery */
 713         if (vport->num_disc_nodes == 0) {
 714                 /*
 715                  * The driver has cycled through all Nports in the RSCN payload.
 716                  * Complete the handling by cleaning up and marking the
 717                  * current driver state.
 718                  */
 719                 if (vport->port_state >= LPFC_DISC_AUTH) {
 720                         if (vport->fc_flag & FC_RSCN_MODE) {
 721                                 lpfc_els_flush_rscn(vport);
 722                                 spin_lock_irq(shost->host_lock);
 723                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 724                                 spin_unlock_irq(shost->host_lock);
 725                         }
 726                         else
 727                                 lpfc_els_flush_rscn(vport);
 728                 }
 729
 730                 lpfc_disc_start(vport);
 731         }
 732 out:
 733         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 734         lpfc_ct_free_iocb(phba, cmdiocb);
 735         return;
 736 }
 737
 738 static void
 739 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 740                         struct lpfc_iocbq *rspiocb)
 741 {
 742         struct lpfc_vport *vport = cmdiocb->vport;
 743         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 744         IOCB_t *irsp = &rspiocb->iocb;
 745         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 746         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 747         struct lpfc_sli_ct_request *CTrsp;
 748         int did, rc, retry;
 749         uint8_t fbits;
 750         struct lpfc_nodelist *ndlp;
 751
 752         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
 753         did = be32_to_cpu(did);
 754
 755         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 756                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
 757                 irsp->ulpStatus, irsp->un.ulpWord[4], did);
 758
 759         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 760                 /* Good status, continue checking */
 761                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 762                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
 763
 764                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 765                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 766                         if ((fbits & FC4_FEATURE_INIT) &&
 767                             !(fbits & FC4_FEATURE_TARGET)) {
 768                                 lpfc_printf_vlog(vport, KERN_INFO,
 769                                                  LOG_DISCOVERY,
 770                                                  "0270 Skip x%x GFF "
 771                                                  "NameServer Rsp Data: (init) "
 772                                                  "x%x x%x\n", did, fbits,
 773                                                  vport->fc_rscn_id_cnt);
 774                                 goto out;
 775                         }
 776                 }
 777         }
 778         else {
 779                 /* Check for retry */
 780                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
 781                         retry = 1;
 782                         if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
 783                                 switch (irsp->un.ulpWord[4]) {
 784                                 case IOERR_NO_RESOURCES:
 785                                         /* We don't increment the retry
 786                                          * count for this case.
 787                                          */
 788                                         break;
 789                                 case IOERR_LINK_DOWN:
 790                                 case IOERR_SLI_ABORTED:
 791                                 case IOERR_SLI_DOWN:
 792                                         retry = 0;
 793                                         break;
 794                                 default:
 795                                         cmdiocb->retry++;
 796                                 }
 797                         }
 798                         else
 799                                 cmdiocb->retry++;
 800
 801                         if (retry) {
 802                                 /* CT command is being retried */
 803                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 804                                          cmdiocb->retry, did);
 805                                 if (rc == 0) {
 806                                         /* success */
 807                                         lpfc_ct_free_iocb(phba, cmdiocb);
 808                                         return;
 809                                 }
 810                         }
 811                 }
 812                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 813                                  "0267 NameServer GFF Rsp "
 814                                  "x%x Error (%d %d) Data: x%x x%x\n",
 815                                  did, irsp->ulpStatus, irsp->un.ulpWord[4],
 816                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 817         }
 818
 819         /* This is a target port, unregistered port, or the GFF_ID failed */
 820         ndlp = lpfc_setup_disc_node(vport, did);
 821         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 822                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 823                                  "0242 Process x%x GFF "
 824                                  "NameServer Rsp Data: x%x x%x x%x\n",
 825                                  did, ndlp->nlp_flag, vport->fc_flag,
 826                                  vport->fc_rscn_id_cnt);
 827         } else {
 828                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 829                                  "0243 Skip x%x GFF "
 830                                  "NameServer Rsp Data: x%x x%x\n", did,
 831                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 832         }
 833 out:
 834         /* Link up / RSCN discovery */
 835         if (vport->num_disc_nodes)
 836                 vport->num_disc_nodes--;
 837         if (vport->num_disc_nodes == 0) {
 838                 /*
 839                  * The driver has cycled through all Nports in the RSCN payload.
 840                  * Complete the handling by cleaning up and marking the
 841                  * current driver state.
 842                  */
 843                 if (vport->port_state >= LPFC_DISC_AUTH) {
 844                         if (vport->fc_flag & FC_RSCN_MODE) {
 845                                 lpfc_els_flush_rscn(vport);
 846                                 spin_lock_irq(shost->host_lock);
 847                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 848                                 spin_unlock_irq(shost->host_lock);
 849                         }
 850                         else
 851                                 lpfc_els_flush_rscn(vport);
 852                 }
 853                 lpfc_disc_start(vport);
 854         }
 855         lpfc_ct_free_iocb(phba, cmdiocb);
 856         return;
 857 }
 858
 859
 860 static void
 861 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 862              struct lpfc_iocbq *rspiocb)
 863 {
 864         struct lpfc_vport *vport = cmdiocb->vport;
 865         struct lpfc_dmabuf *inp;
 866         struct lpfc_dmabuf *outp;
 867         IOCB_t *irsp;
 868         struct lpfc_sli_ct_request *CTrsp;
 869         struct lpfc_nodelist *ndlp;
 870         int cmdcode, rc;
 871         uint8_t retry;
 872         uint32_t latt;
 873
 874         /* First save ndlp, before we overwrite it */
 875         ndlp = cmdiocb->context_un.ndlp;
 876
 877         /* we pass cmdiocb to state machine which needs rspiocb as well */
 878         cmdiocb->context_un.rsp_iocb = rspiocb;
 879
 880         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 881         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 882         irsp = &rspiocb->iocb;
 883
 884         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
 885                                         CommandResponse.bits.CmdRsp);
 886         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 887
 888         latt = lpfc_els_chk_latt(vport);
 889
 890         /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
 891         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 892                          "0209 CT Request completes, latt %d, "
 893                          "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
 894                          latt, irsp->ulpStatus,
 895                          CTrsp->CommandResponse.bits.CmdRsp,
 896                          cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
 897
 898         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 899                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
 900                 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
 901
 902         if (irsp->ulpStatus) {
 903                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 904                                  "0268 NS cmd %x Error (%d %d)\n",
 905                                  cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
 906
 907                 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 908                         ((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) ||
 909                          (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED)))
 910                         goto out;
 911
 912                 retry = cmdiocb->retry;
 913                 if (retry >= LPFC_MAX_NS_RETRY)
 914                         goto out;
 915
 916                 retry++;
 917                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 918                                  "0250 Retrying NS cmd %x\n", cmdcode);
 919                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
 920                 if (rc == 0)
 921                         goto out;
 922         }
 923
 924 out:
 925         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 926         lpfc_ct_free_iocb(phba, cmdiocb);
 927         return;
 928 }
 929
 930 static void
 931 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 932                         struct lpfc_iocbq *rspiocb)
 933 {
 934         IOCB_t *irsp = &rspiocb->iocb;
 935         struct lpfc_vport *vport = cmdiocb->vport;
 936
 937         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 938                 struct lpfc_dmabuf *outp;
 939                 struct lpfc_sli_ct_request *CTrsp;
 940
 941                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 942                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 943                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 944                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 945                         vport->ct_flags |= FC_CT_RFT_ID;
 946         }
 947         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 948         return;
 949 }
 950
 951 static void
 952 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 953                         struct lpfc_iocbq *rspiocb)
 954 {
 955         IOCB_t *irsp = &rspiocb->iocb;
 956         struct lpfc_vport *vport = cmdiocb->vport;
 957
 958         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 959                 struct lpfc_dmabuf *outp;
 960                 struct lpfc_sli_ct_request *CTrsp;
 961
 962                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 963                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 964                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 965                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 966                         vport->ct_flags |= FC_CT_RNN_ID;
 967         }
 968         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 969         return;
 970 }
 971
 972 static void
 973 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 974                          struct lpfc_iocbq *rspiocb)
 975 {
 976         IOCB_t *irsp = &rspiocb->iocb;
 977         struct lpfc_vport *vport = cmdiocb->vport;
 978
 979         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 980                 struct lpfc_dmabuf *outp;
 981                 struct lpfc_sli_ct_request *CTrsp;
 982
 983                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 984                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 985                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 986                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 987                         vport->ct_flags |= FC_CT_RSPN_ID;
 988         }
 989         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 990         return;
 991 }
 992
 993 static void
 994 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 995                          struct lpfc_iocbq *rspiocb)
 996 {
 997         IOCB_t *irsp = &rspiocb->iocb;
 998         struct lpfc_vport *vport = cmdiocb->vport;
 999
1000         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1001                 struct lpfc_dmabuf *outp;
1002                 struct lpfc_sli_ct_request *CTrsp;
1003
1004                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1005                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1006                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1007                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1008                         vport->ct_flags |= FC_CT_RSNN_NN;
1009         }
1010         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1011         return;
1012 }
1013
1014 static void
1015 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1016  struct lpfc_iocbq *rspiocb)
1017 {
1018         struct lpfc_vport *vport = cmdiocb->vport;
1019
1020         /* even if it fails we will act as though it succeeded. */
1021         vport->ct_flags = 0;
1022         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1023         return;
1024 }
1025
1026 static void
1027 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1028                         struct lpfc_iocbq *rspiocb)
1029 {
1030         IOCB_t *irsp = &rspiocb->iocb;
1031         struct lpfc_vport *vport = cmdiocb->vport;
1032
1033         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1034                 struct lpfc_dmabuf *outp;
1035                 struct lpfc_sli_ct_request *CTrsp;
1036
1037                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1038                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1039                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1040                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1041                         vport->ct_flags |= FC_CT_RFF_ID;
1042         }
1043         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1044         return;
1045 }
1046
1047 int
1048 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1049         size_t size)
1050 {
1051         int n;
1052         uint8_t *wwn = vport->phba->wwpn;
1053
1054         n = snprintf(symbol, size,
1055                      "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
1056                      wwn[0], wwn[1], wwn[2], wwn[3],
1057                      wwn[4], wwn[5], wwn[6], wwn[7]);
1058
1059         if (vport->port_type == LPFC_PHYSICAL_PORT)
1060                 return n;
1061
1062         if (n < size)
1063                 n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
1064
1065         if (n < size &&
1066             strlen(vport->fc_vport->symbolic_name))
1067                 n += snprintf(symbol + n, size - n, " VName-%s",
1068                               vport->fc_vport->symbolic_name);
1069         return n;
1070 }
1071
1072 int
1073 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1074         size_t size)
1075 {
1076         char fwrev[16];
1077         int n;
1078
1079         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1080
1081         n = snprintf(symbol, size, "Emulex %s FV%s DV%s",
1082                 vport->phba->ModelName, fwrev, lpfc_release_version);
1083         return n;
1084 }
1085
1086 /*
1087  * lpfc_ns_cmd
1088  * Description:
1089  *    Issue Cmd to NameServer
1090  *       SLI_CTNS_GID_FT
1091  *       LI_CTNS_RFT_ID
1092  */
1093 int
1094 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1095             uint8_t retry, uint32_t context)
1096 {
1097         struct lpfc_nodelist * ndlp;
1098         struct lpfc_hba *phba = vport->phba;
1099         struct lpfc_dmabuf *mp, *bmp;
1100         struct lpfc_sli_ct_request *CtReq;
1101         struct ulp_bde64 *bpl;
1102         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1103                       struct lpfc_iocbq *) = NULL;
1104         uint32_t rsp_size = 1024;
1105         size_t   size;
1106         int rc = 0;
1107
1108         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1109         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1110             || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1111                 rc=1;
1112                 goto ns_cmd_exit;
1113         }
1114
1115         /* fill in BDEs for command */
1116         /* Allocate buffer for command payload */
1117         mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1118         if (!mp) {
1119                 rc=2;
1120                 goto ns_cmd_exit;
1121         }
1122
1123         INIT_LIST_HEAD(&mp->list);
1124         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1125         if (!mp->virt) {
1126                 rc=3;
1127                 goto ns_cmd_free_mp;
1128         }
1129
1130         /* Allocate buffer for Buffer ptr list */
1131         bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1132         if (!bmp) {
1133                 rc=4;
1134                 goto ns_cmd_free_mpvirt;
1135         }
1136
1137         INIT_LIST_HEAD(&bmp->list);
1138         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1139         if (!bmp->virt) {
1140                 rc=5;
1141                 goto ns_cmd_free_bmp;
1142         }
1143
1144         /* NameServer Req */
1145         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1146                          "0236 NameServer Req Data: x%x x%x x%x\n",
1147                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
1148
1149         bpl = (struct ulp_bde64 *) bmp->virt;
1150         memset(bpl, 0, sizeof(struct ulp_bde64));
1151         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1152         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1153         bpl->tus.f.bdeFlags = 0;
1154         if (cmdcode == SLI_CTNS_GID_FT)
1155                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1156         else if (cmdcode == SLI_CTNS_GFF_ID)
1157                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1158         else if (cmdcode == SLI_CTNS_RFT_ID)
1159                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1160         else if (cmdcode == SLI_CTNS_RNN_ID)
1161                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1162         else if (cmdcode == SLI_CTNS_RSPN_ID)
1163                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1164         else if (cmdcode == SLI_CTNS_RSNN_NN)
1165                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1166         else if (cmdcode == SLI_CTNS_DA_ID)
1167                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1168         else if (cmdcode == SLI_CTNS_RFF_ID)
1169                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1170         else
1171                 bpl->tus.f.bdeSize = 0;
1172         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1173
1174         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1175         memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
1176         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1177         CtReq->RevisionId.bits.InId = 0;
1178         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1179         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1180         CtReq->CommandResponse.bits.Size = 0;
1181         switch (cmdcode) {
1182         case SLI_CTNS_GID_FT:
1183                 CtReq->CommandResponse.bits.CmdRsp =
1184                     be16_to_cpu(SLI_CTNS_GID_FT);
1185                 CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
1186                 if (vport->port_state < LPFC_NS_QRY)
1187                         vport->port_state = LPFC_NS_QRY;
1188                 lpfc_set_disctmo(vport);
1189                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1190                 rsp_size = FC_MAX_NS_RSP;
1191                 break;
1192
1193         case SLI_CTNS_GFF_ID:
1194                 CtReq->CommandResponse.bits.CmdRsp =
1195                         be16_to_cpu(SLI_CTNS_GFF_ID);
1196                 CtReq->un.gff.PortId = cpu_to_be32(context);
1197                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
1198                 break;
1199
1200         case SLI_CTNS_RFT_ID:
1201                 vport->ct_flags &= ~FC_CT_RFT_ID;
1202                 CtReq->CommandResponse.bits.CmdRsp =
1203                     be16_to_cpu(SLI_CTNS_RFT_ID);
1204                 CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1205                 CtReq->un.rft.fcpReg = 1;
1206                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
1207                 break;
1208
1209         case SLI_CTNS_RNN_ID:
1210                 vport->ct_flags &= ~FC_CT_RNN_ID;
1211                 CtReq->CommandResponse.bits.CmdRsp =
1212                     be16_to_cpu(SLI_CTNS_RNN_ID);
1213                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1214                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1215                        sizeof (struct lpfc_name));
1216                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1217                 break;
1218
1219         case SLI_CTNS_RSPN_ID:
1220                 vport->ct_flags &= ~FC_CT_RSPN_ID;
1221                 CtReq->CommandResponse.bits.CmdRsp =
1222                     be16_to_cpu(SLI_CTNS_RSPN_ID);
1223                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1224                 size = sizeof(CtReq->un.rspn.symbname);
1225                 CtReq->un.rspn.len =
1226                         lpfc_vport_symbolic_port_name(vport,
1227                         CtReq->un.rspn.symbname, size);
1228                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1229                 break;
1230         case SLI_CTNS_RSNN_NN:
1231                 vport->ct_flags &= ~FC_CT_RSNN_NN;
1232                 CtReq->CommandResponse.bits.CmdRsp =
1233                     be16_to_cpu(SLI_CTNS_RSNN_NN);
1234                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1235                        sizeof (struct lpfc_name));
1236                 size = sizeof(CtReq->un.rsnn.symbname);
1237                 CtReq->un.rsnn.len =
1238                         lpfc_vport_symbolic_node_name(vport,
1239                         CtReq->un.rsnn.symbname, size);
1240                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1241                 break;
1242         case SLI_CTNS_DA_ID:
1243                 /* Implement DA_ID Nameserver request */
1244                 CtReq->CommandResponse.bits.CmdRsp =
1245                         be16_to_cpu(SLI_CTNS_DA_ID);
1246                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1247                 cmpl = lpfc_cmpl_ct_cmd_da_id;
1248                 break;
1249         case SLI_CTNS_RFF_ID:
1250                 vport->ct_flags &= ~FC_CT_RFF_ID;
1251                 CtReq->CommandResponse.bits.CmdRsp =
1252                     be16_to_cpu(SLI_CTNS_RFF_ID);
1253                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1254                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1255                 CtReq->un.rff.type_code = FC_TYPE_FCP;
1256                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
1257                 break;
1258         }
1259         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1260          * to hold ndlp reference for the corresponding callback function.
1261          */
1262         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1263                 /* On success, The cmpl function will free the buffers */
1264                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1265                         "Issue CT cmd:    cmd:x%x did:x%x",
1266                         cmdcode, ndlp->nlp_DID, 0);
1267                 return 0;
1268         }
1269         rc=6;
1270
1271         /* Decrement ndlp reference count to release ndlp reference held
1272          * for the failed command's callback function.
1273          */
1274         lpfc_nlp_put(ndlp);
1275
1276         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1277 ns_cmd_free_bmp:
1278         kfree(bmp);
1279 ns_cmd_free_mpvirt:
1280         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1281 ns_cmd_free_mp:
1282         kfree(mp);
1283 ns_cmd_exit:
1284         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1285                          "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1286                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1287         return 1;
1288 }
1289
1290 static void
1291 lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1292                       struct lpfc_iocbq * rspiocb)
1293 {
1294         struct lpfc_dmabuf *inp = cmdiocb->context1;
1295         struct lpfc_dmabuf *outp = cmdiocb->context2;
1296         struct lpfc_sli_ct_request *CTrsp = outp->virt;
1297         struct lpfc_sli_ct_request *CTcmd = inp->virt;
1298         struct lpfc_nodelist *ndlp;
1299         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1300         uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1301         struct lpfc_vport *vport = cmdiocb->vport;
1302         IOCB_t *irsp = &rspiocb->iocb;
1303         uint32_t latt;
1304
1305         latt = lpfc_els_chk_latt(vport);
1306
1307         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1308                 "FDMI cmpl:       status:x%x/x%x latt:%d",
1309                 irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1310
1311         if (latt || irsp->ulpStatus) {
1312                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1313                                  "0229 FDMI cmd %04x failed, latt = %d "
1314                                  "ulpStatus: x%x, rid x%x\n",
1315                                  be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1316                                  irsp->un.ulpWord[4]);
1317                 lpfc_ct_free_iocb(phba, cmdiocb);
1318                 return;
1319         }
1320
1321         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1322         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1323                 goto fail_out;
1324
1325         if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1326                 /* FDMI rsp failed */
1327                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1328                                  "0220 FDMI rsp failed Data: x%x\n",
1329                                  be16_to_cpu(fdmi_cmd));
1330         }
1331
1332         switch (be16_to_cpu(fdmi_cmd)) {
1333         case SLI_MGMT_RHBA:
1334                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA);
1335                 break;
1336
1337         case SLI_MGMT_RPA:
1338                 break;
1339
1340         case SLI_MGMT_DHBA:
1341                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT);
1342                 break;
1343
1344         case SLI_MGMT_DPRT:
1345                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1346                 break;
1347         }
1348
1349 fail_out:
1350         lpfc_ct_free_iocb(phba, cmdiocb);
1351         return;
1352 }
1353
1354 int
1355 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1356 {
1357         struct lpfc_hba *phba = vport->phba;
1358         struct lpfc_dmabuf *mp, *bmp;
1359         struct lpfc_sli_ct_request *CtReq;
1360         struct ulp_bde64 *bpl;
1361         uint32_t size;
1362         REG_HBA *rh;
1363         PORT_ENTRY *pe;
1364         REG_PORT_ATTRIBUTE *pab;
1365         ATTRIBUTE_BLOCK *ab;
1366         ATTRIBUTE_ENTRY *ae;
1367         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1368                       struct lpfc_iocbq *);
1369
1370
1371         /* fill in BDEs for command */
1372         /* Allocate buffer for command payload */
1373         mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1374         if (!mp)
1375                 goto fdmi_cmd_exit;
1376
1377         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
1378         if (!mp->virt)
1379                 goto fdmi_cmd_free_mp;
1380
1381         /* Allocate buffer for Buffer ptr list */
1382         bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1383         if (!bmp)
1384                 goto fdmi_cmd_free_mpvirt;
1385
1386         bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
1387         if (!bmp->virt)
1388                 goto fdmi_cmd_free_bmp;
1389
1390         INIT_LIST_HEAD(&mp->list);
1391         INIT_LIST_HEAD(&bmp->list);
1392
1393         /* FDMI request */
1394         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1395                          "0218 FDMI Request Data: x%x x%x x%x\n",
1396                          vport->fc_flag, vport->port_state, cmdcode);
1397         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1398
1399         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1400         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1401         CtReq->RevisionId.bits.InId = 0;
1402
1403         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
1404         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
1405         size = 0;
1406
1407         switch (cmdcode) {
1408         case SLI_MGMT_RHBA:
1409                 {
1410                         lpfc_vpd_t *vp = &phba->vpd;
1411                         uint32_t i, j, incr;
1412                         int len;
1413
1414                         CtReq->CommandResponse.bits.CmdRsp =
1415                             be16_to_cpu(SLI_MGMT_RHBA);
1416                         CtReq->CommandResponse.bits.Size = 0;
1417                         rh = (REG_HBA *) & CtReq->un.PortID;
1418                         memcpy(&rh->hi.PortName, &vport->fc_sparam.portName,
1419                                sizeof (struct lpfc_name));
1420                         /* One entry (port) per adapter */
1421                         rh->rpl.EntryCnt = be32_to_cpu(1);
1422                         memcpy(&rh->rpl.pe, &vport->fc_sparam.portName,
1423                                sizeof (struct lpfc_name));
1424
1425                         /* point to the HBA attribute block */
1426                         size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
1427                         ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
1428                         ab->EntryCnt = 0;
1429
1430                         /* Point to the beginning of the first HBA attribute
1431                            entry */
1432                         /* #1 HBA attribute entry */
1433                         size += FOURBYTES;
1434                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1435                         ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);
1436                         ae->ad.bits.AttrLen =  be16_to_cpu(FOURBYTES
1437                                                 + sizeof (struct lpfc_name));
1438                         memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1439                                sizeof (struct lpfc_name));
1440                         ab->EntryCnt++;
1441                         size += FOURBYTES + sizeof (struct lpfc_name);
1442
1443                         /* #2 HBA attribute entry */
1444                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1445                         ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER);
1446                         strcpy(ae->un.Manufacturer, "Emulex Corporation");
1447                         len = strlen(ae->un.Manufacturer);
1448                         len += (len & 3) ? (4 - (len & 3)) : 4;
1449                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1450                         ab->EntryCnt++;
1451                         size += FOURBYTES + len;
1452
1453                         /* #3 HBA attribute entry */
1454                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1455                         ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER);
1456                         strcpy(ae->un.SerialNumber, phba->SerialNumber);
1457                         len = strlen(ae->un.SerialNumber);
1458                         len += (len & 3) ? (4 - (len & 3)) : 4;
1459                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1460                         ab->EntryCnt++;
1461                         size += FOURBYTES + len;
1462
1463                         /* #4 HBA attribute entry */
1464                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1465                         ae->ad.bits.AttrType = be16_to_cpu(MODEL);
1466                         strcpy(ae->un.Model, phba->ModelName);
1467                         len = strlen(ae->un.Model);
1468                         len += (len & 3) ? (4 - (len & 3)) : 4;
1469                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1470                         ab->EntryCnt++;
1471                         size += FOURBYTES + len;
1472
1473                         /* #5 HBA attribute entry */
1474                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1475                         ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION);
1476                         strcpy(ae->un.ModelDescription, phba->ModelDesc);
1477                         len = strlen(ae->un.ModelDescription);
1478                         len += (len & 3) ? (4 - (len & 3)) : 4;
1479                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1480                         ab->EntryCnt++;
1481                         size += FOURBYTES + len;
1482
1483                         /* #6 HBA attribute entry */
1484                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1485                         ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION);
1486                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8);
1487                         /* Convert JEDEC ID to ascii for hardware version */
1488                         incr = vp->rev.biuRev;
1489                         for (i = 0; i < 8; i++) {
1490                                 j = (incr & 0xf);
1491                                 if (j <= 9)
1492                                         ae->un.HardwareVersion[7 - i] =
1493                                             (char)((uint8_t) 0x30 +
1494                                                    (uint8_t) j);
1495                                 else
1496                                         ae->un.HardwareVersion[7 - i] =
1497                                             (char)((uint8_t) 0x61 +
1498                                                    (uint8_t) (j - 10));
1499                                 incr = (incr >> 4);
1500                         }
1501                         ab->EntryCnt++;
1502                         size += FOURBYTES + 8;
1503
1504                         /* #7 HBA attribute entry */
1505                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1506                         ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION);
1507                         strcpy(ae->un.DriverVersion, lpfc_release_version);
1508                         len = strlen(ae->un.DriverVersion);
1509                         len += (len & 3) ? (4 - (len & 3)) : 4;
1510                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1511                         ab->EntryCnt++;
1512                         size += FOURBYTES + len;
1513
1514                         /* #8 HBA attribute entry */
1515                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1516                         ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION);
1517                         strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion);
1518                         len = strlen(ae->un.OptionROMVersion);
1519                         len += (len & 3) ? (4 - (len & 3)) : 4;
1520                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1521                         ab->EntryCnt++;
1522                         size += FOURBYTES + len;
1523
1524                         /* #9 HBA attribute entry */
1525                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1526                         ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION);
1527                         lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
1528                                 1);
1529                         len = strlen(ae->un.FirmwareVersion);
1530                         len += (len & 3) ? (4 - (len & 3)) : 4;
1531                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1532                         ab->EntryCnt++;
1533                         size += FOURBYTES + len;
1534
1535                         /* #10 HBA attribute entry */
1536                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1537                         ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
1538                         sprintf(ae->un.OsNameVersion, "%s %s %s",
1539                                 init_utsname()->sysname,
1540                                 init_utsname()->release,
1541                                 init_utsname()->version);
1542                         len = strlen(ae->un.OsNameVersion);
1543                         len += (len & 3) ? (4 - (len & 3)) : 4;
1544                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1545                         ab->EntryCnt++;
1546                         size += FOURBYTES + len;
1547
1548                         /* #11 HBA attribute entry */
1549                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1550                         ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN);
1551                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1552                         ae->un.MaxCTPayloadLen = (65 * 4096);
1553                         ab->EntryCnt++;
1554                         size += FOURBYTES + 4;
1555
1556                         ab->EntryCnt = be32_to_cpu(ab->EntryCnt);
1557                         /* Total size */
1558                         size = GID_REQUEST_SZ - 4 + size;
1559                 }
1560                 break;
1561
1562         case SLI_MGMT_RPA:
1563                 {
1564                         lpfc_vpd_t *vp;
1565                         struct serv_parm *hsp;
1566                         int len;
1567
1568                         vp = &phba->vpd;
1569
1570                         CtReq->CommandResponse.bits.CmdRsp =
1571                             be16_to_cpu(SLI_MGMT_RPA);
1572                         CtReq->CommandResponse.bits.Size = 0;
1573                         pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID;
1574                         size = sizeof (struct lpfc_name) + FOURBYTES;
1575                         memcpy((uint8_t *) & pab->PortName,
1576                                (uint8_t *) & vport->fc_sparam.portName,
1577                                sizeof (struct lpfc_name));
1578                         pab->ab.EntryCnt = 0;
1579
1580                         /* #1 Port attribute entry */
1581                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1582                         ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES);
1583                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32);
1584                         ae->un.SupportFC4Types[2] = 1;
1585                         ae->un.SupportFC4Types[7] = 1;
1586                         pab->ab.EntryCnt++;
1587                         size += FOURBYTES + 32;
1588
1589                         /* #2 Port attribute entry */
1590                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1591                         ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED);
1592                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1593
1594                         ae->un.SupportSpeed = 0;
1595                         if (phba->lmt & LMT_10Gb)
1596                                 ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT;
1597                         if (phba->lmt & LMT_8Gb)
1598                                 ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
1599                         if (phba->lmt & LMT_4Gb)
1600                                 ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
1601                         if (phba->lmt & LMT_2Gb)
1602                                 ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
1603                         if (phba->lmt & LMT_1Gb)
1604                                 ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT;
1605
1606                         pab->ab.EntryCnt++;
1607                         size += FOURBYTES + 4;
1608
1609                         /* #3 Port attribute entry */
1610                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1611                         ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED);
1612                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1613                         switch(phba->fc_linkspeed) {
1614                                 case LA_1GHZ_LINK:
1615                                         ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1616                                 break;
1617                                 case LA_2GHZ_LINK:
1618                                         ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1619                                 break;
1620                                 case LA_4GHZ_LINK:
1621                                         ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1622                                 break;
1623                                 case LA_8GHZ_LINK:
1624                                         ae->un.PortSpeed = HBA_PORTSPEED_8GBIT;
1625                                 break;
1626                                 case LA_10GHZ_LINK:
1627                                         ae->un.PortSpeed = HBA_PORTSPEED_10GBIT;
1628                                 break;
1629                                 default:
1630                                         ae->un.PortSpeed =
1631                                                 HBA_PORTSPEED_UNKNOWN;
1632                                 break;
1633                         }
1634                         pab->ab.EntryCnt++;
1635                         size += FOURBYTES + 4;
1636
1637                         /* #4 Port attribute entry */
1638                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1639                         ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE);
1640                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1641                         hsp = (struct serv_parm *) & vport->fc_sparam;
1642                         ae->un.MaxFrameSize =
1643                             (((uint32_t) hsp->cmn.
1644                               bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn.
1645                             bbRcvSizeLsb;
1646                         pab->ab.EntryCnt++;
1647                         size += FOURBYTES + 4;
1648
1649                         /* #5 Port attribute entry */
1650                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1651                         ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME);
1652                         strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME);
1653                         len = strlen((char *)ae->un.OsDeviceName);
1654                         len += (len & 3) ? (4 - (len & 3)) : 4;
1655                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1656                         pab->ab.EntryCnt++;
1657                         size += FOURBYTES + len;
1658
1659                         if (vport->cfg_fdmi_on == 2) {
1660                                 /* #6 Port attribute entry */
1661                                 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab +
1662                                                           size);
1663                                 ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME);
1664                                 sprintf(ae->un.HostName, "%s",
1665                                         init_utsname()->nodename);
1666                                 len = strlen(ae->un.HostName);
1667                                 len += (len & 3) ? (4 - (len & 3)) : 4;
1668                                 ae->ad.bits.AttrLen =
1669                                     be16_to_cpu(FOURBYTES + len);
1670                                 pab->ab.EntryCnt++;
1671                                 size += FOURBYTES + len;
1672                         }
1673
1674                         pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt);
1675                         /* Total size */
1676                         size = GID_REQUEST_SZ - 4 + size;
1677                 }
1678                 break;
1679
1680         case SLI_MGMT_DHBA:
1681                 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA);
1682                 CtReq->CommandResponse.bits.Size = 0;
1683                 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1684                 memcpy((uint8_t *) & pe->PortName,
1685                        (uint8_t *) & vport->fc_sparam.portName,
1686                        sizeof (struct lpfc_name));
1687                 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1688                 break;
1689
1690         case SLI_MGMT_DPRT:
1691                 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT);
1692                 CtReq->CommandResponse.bits.Size = 0;
1693                 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1694                 memcpy((uint8_t *) & pe->PortName,
1695                        (uint8_t *) & vport->fc_sparam.portName,
1696                        sizeof (struct lpfc_name));
1697                 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1698                 break;
1699         }
1700
1701         bpl = (struct ulp_bde64 *) bmp->virt;
1702         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1703         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1704         bpl->tus.f.bdeFlags = 0;
1705         bpl->tus.f.bdeSize = size;
1706         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1707
1708         cmpl = lpfc_cmpl_ct_cmd_fdmi;
1709
1710         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1711          * to hold ndlp reference for the corresponding callback function.
1712          */
1713         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0))
1714                 return 0;
1715
1716         /* Decrement ndlp reference count to release ndlp reference held
1717          * for the failed command's callback function.
1718          */
1719         lpfc_nlp_put(ndlp);
1720
1721         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1722 fdmi_cmd_free_bmp:
1723         kfree(bmp);
1724 fdmi_cmd_free_mpvirt:
1725         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1726 fdmi_cmd_free_mp:
1727         kfree(mp);
1728 fdmi_cmd_exit:
1729         /* Issue FDMI request failed */
1730         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1731                          "0244 Issue FDMI request failed Data: x%x\n",
1732                          cmdcode);
1733         return 1;
1734 }
1735
1736 void
1737 lpfc_fdmi_tmo(unsigned long ptr)
1738 {
1739         struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
1740         struct lpfc_hba   *phba = vport->phba;
1741         uint32_t tmo_posted;
1742         unsigned long iflag;
1743
1744         spin_lock_irqsave(&vport->work_port_lock, iflag);
1745         tmo_posted = vport->work_port_events & WORKER_FDMI_TMO;
1746         if (!tmo_posted)
1747                 vport->work_port_events |= WORKER_FDMI_TMO;
1748         spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1749
1750         if (!tmo_posted)
1751                 lpfc_worker_wake_up(phba);
1752         return;
1753 }
1754
1755 void
1756 lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
1757 {
1758         struct lpfc_nodelist *ndlp;
1759
1760         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1761         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1762                 if (init_utsname()->nodename[0] != '\0')
1763                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
1764                 else
1765                         mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60);
1766         }
1767         return;
1768 }
1769
1770 void
1771 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
1772 {
1773         struct lpfc_sli *psli = &phba->sli;
1774         lpfc_vpd_t *vp = &phba->vpd;
1775         uint32_t b1, b2, b3, b4, i, rev;
1776         char c;
1777         uint32_t *ptr, str[4];
1778         uint8_t *fwname;
1779
1780         if (phba->sli_rev == LPFC_SLI_REV4)
1781                 sprintf(fwrevision, "%s", vp->rev.opFwName);
1782         else if (vp->rev.rBit) {
1783                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
1784                         rev = vp->rev.sli2FwRev;
1785                 else
1786                         rev = vp->rev.sli1FwRev;
1787
1788                 b1 = (rev & 0x0000f000) >> 12;
1789                 b2 = (rev & 0x00000f00) >> 8;
1790                 b3 = (rev & 0x000000c0) >> 6;
1791                 b4 = (rev & 0x00000030) >> 4;
1792
1793                 switch (b4) {
1794                 case 0:
1795                         c = 'N';
1796                         break;
1797                 case 1:
1798                         c = 'A';
1799                         break;
1800                 case 2:
1801                         c = 'B';
1802                         break;
1803                 default:
1804                         c = 0;
1805                         break;
1806                 }
1807                 b4 = (rev & 0x0000000f);
1808
1809                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
1810                         fwname = vp->rev.sli2FwName;
1811                 else
1812                         fwname = vp->rev.sli1FwName;
1813
1814                 for (i = 0; i < 16; i++)
1815                         if (fwname[i] == 0x20)
1816                                 fwname[i] = 0;
1817
1818                 ptr = (uint32_t*)fwname;
1819
1820                 for (i = 0; i < 3; i++)
1821                         str[i] = be32_to_cpu(*ptr++);
1822
1823                 if (c == 0) {
1824                         if (flag)
1825                                 sprintf(fwrevision, "%d.%d%d (%s)",
1826                                         b1, b2, b3, (char *)str);
1827                         else
1828                                 sprintf(fwrevision, "%d.%d%d", b1,
1829                                         b2, b3);
1830                 } else {
1831                         if (flag)
1832                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
1833                                         b1, b2, b3, c,
1834                                         b4, (char *)str);
1835                         else
1836                                 sprintf(fwrevision, "%d.%d%d%c%d",
1837                                         b1, b2, b3, c, b4);
1838                 }
1839         } else {
1840                 rev = vp->rev.smFwRev;
1841
1842                 b1 = (rev & 0xff000000) >> 24;
1843                 b2 = (rev & 0x00f00000) >> 20;
1844                 b3 = (rev & 0x000f0000) >> 16;
1845                 c  = (rev & 0x0000ff00) >> 8;
1846                 b4 = (rev & 0x000000ff);
1847
1848                 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
1849         }
1850         return;
1851 }