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) 2004-2009 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         lpfc_bsg_ct_unsol_event(phba, pring, piocbq);
 101
 102         if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
 103                 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
 104         } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 105                 ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
 106                 /* Not enough posted buffers; Try posting more buffers */
 107                 phba->fc_stat.NoRcvBuf++;
 108                 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 109                         lpfc_post_buffer(phba, pring, 2);
 110                 return;
 111         }
 112
 113         /* If there are no BDEs associated with this IOCB,
 114          * there is nothing to do.
 115          */
 116         if (icmd->ulpBdeCount == 0)
 117                 return;
 118
 119         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 120                 INIT_LIST_HEAD(&head);
 121                 list_add_tail(&head, &piocbq->list);
 122                 list_for_each_entry(iocbq, &head, list) {
 123                         icmd = &iocbq->iocb;
 124                         if (icmd->ulpBdeCount == 0)
 125                                 continue;
 126                         bdeBuf = iocbq->context2;
 127                         iocbq->context2 = NULL;
 128                         size  = icmd->un.cont64[0].tus.f.bdeSize;
 129                         lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
 130                         lpfc_in_buf_free(phba, bdeBuf);
 131                         if (icmd->ulpBdeCount == 2) {
 132                                 bdeBuf = iocbq->context3;
 133                                 iocbq->context3 = NULL;
 134                                 size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
 135                                 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
 136                                                      size);
 137                                 lpfc_in_buf_free(phba, bdeBuf);
 138                         }
 139                 }
 140                 list_del(&head);
 141         } else {
 142                 INIT_LIST_HEAD(&head);
 143                 list_add_tail(&head, &piocbq->list);
 144                 list_for_each_entry(iocbq, &head, list) {
 145                         icmd = &iocbq->iocb;
 146                         if (icmd->ulpBdeCount == 0)
 147                                 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 148                         for (i = 0; i < icmd->ulpBdeCount; i++) {
 149                                 paddr = getPaddr(icmd->un.cont64[i].addrHigh,
 150                                                  icmd->un.cont64[i].addrLow);
 151                                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
 152                                                               paddr);
 153                                 size = icmd->un.cont64[i].tus.f.bdeSize;
 154                                 lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 155                                 lpfc_in_buf_free(phba, mp);
 156                         }
 157                         lpfc_post_buffer(phba, pring, i);
 158                 }
 159                 list_del(&head);
 160         }
 161 }
 162
 163 /**
 164  * lpfc_sli4_ct_abort_unsol_event - Default handle for sli4 unsol abort
 165  * @phba: Pointer to HBA context object.
 166  * @pring: Pointer to the driver internal I/O ring.
 167  * @piocbq: Pointer to the IOCBQ.
 168  *
 169  * This function serves as the default handler for the sli4 unsolicited
 170  * abort event. It shall be invoked when there is no application interface
 171  * registered unsolicited abort handler. This handler does nothing but
 172  * just simply releases the dma buffer used by the unsol abort event.
 173  **/
 174 void
 175 lpfc_sli4_ct_abort_unsol_event(struct lpfc_hba *phba,
 176                                struct lpfc_sli_ring *pring,
 177                                struct lpfc_iocbq *piocbq)
 178 {
 179         IOCB_t *icmd = &piocbq->iocb;
 180         struct lpfc_dmabuf *bdeBuf;
 181         uint32_t size;
 182
 183         /* Forward abort event to any process registered to receive ct event */
 184         lpfc_bsg_ct_unsol_event(phba, pring, piocbq);
 185
 186         /* If there is no BDE associated with IOCB, there is nothing to do */
 187         if (icmd->ulpBdeCount == 0)
 188                 return;
 189         bdeBuf = piocbq->context2;
 190         piocbq->context2 = NULL;
 191         size  = icmd->un.cont64[0].tus.f.bdeSize;
 192         lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
 193         lpfc_in_buf_free(phba, bdeBuf);
 194 }
 195
 196 static void
 197 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 198 {
 199         struct lpfc_dmabuf *mlast, *next_mlast;
 200
 201         list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 202                 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 203                 list_del(&mlast->list);
 204                 kfree(mlast);
 205         }
 206         lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 207         kfree(mlist);
 208         return;
 209 }
 210
 211 static struct lpfc_dmabuf *
 212 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 213                   uint32_t size, int *entries)
 214 {
 215         struct lpfc_dmabuf *mlist = NULL;
 216         struct lpfc_dmabuf *mp;
 217         int cnt, i = 0;
 218
 219         /* We get chunks of FCELSSIZE */
 220         cnt = size > FCELSSIZE ? FCELSSIZE: size;
 221
 222         while (size) {
 223                 /* Allocate buffer for rsp payload */
 224                 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 225                 if (!mp) {
 226                         if (mlist)
 227                                 lpfc_free_ct_rsp(phba, mlist);
 228                         return NULL;
 229                 }
 230
 231                 INIT_LIST_HEAD(&mp->list);
 232
 233                 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 234                     cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 235                         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 236                 else
 237                         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 238
 239                 if (!mp->virt) {
 240                         kfree(mp);
 241                         if (mlist)
 242                                 lpfc_free_ct_rsp(phba, mlist);
 243                         return NULL;
 244                 }
 245
 246                 /* Queue it to a linked list */
 247                 if (!mlist)
 248                         mlist = mp;
 249                 else
 250                         list_add_tail(&mp->list, &mlist->list);
 251
 252                 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 253                 /* build buffer ptr list for IOCB */
 254                 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 255                 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 256                 bpl->tus.f.bdeSize = (uint16_t) cnt;
 257                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
 258                 bpl++;
 259
 260                 i++;
 261                 size -= cnt;
 262         }
 263
 264         *entries = i;
 265         return mlist;
 266 }
 267
 268 int
 269 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 270 {
 271         struct lpfc_dmabuf *buf_ptr;
 272
 273         if (ctiocb->context_un.ndlp) {
 274                 lpfc_nlp_put(ctiocb->context_un.ndlp);
 275                 ctiocb->context_un.ndlp = NULL;
 276         }
 277         if (ctiocb->context1) {
 278                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
 279                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 280                 kfree(buf_ptr);
 281                 ctiocb->context1 = NULL;
 282         }
 283         if (ctiocb->context2) {
 284                 lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
 285                 ctiocb->context2 = NULL;
 286         }
 287
 288         if (ctiocb->context3) {
 289                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
 290                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 291                 kfree(buf_ptr);
 292                 ctiocb->context1 = NULL;
 293         }
 294         lpfc_sli_release_iocbq(phba, ctiocb);
 295         return 0;
 296 }
 297
 298 static int
 299 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 300              struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 301              void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 302                      struct lpfc_iocbq *),
 303              struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
 304              uint32_t tmo, uint8_t retry)
 305 {
 306         struct lpfc_hba  *phba = vport->phba;
 307         IOCB_t *icmd;
 308         struct lpfc_iocbq *geniocb;
 309         int rc;
 310
 311         /* Allocate buffer for  command iocb */
 312         geniocb = lpfc_sli_get_iocbq(phba);
 313
 314         if (geniocb == NULL)
 315                 return 1;
 316
 317         icmd = &geniocb->iocb;
 318         icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 319         icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 320         icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 321         icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 322         icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
 323
 324         if (usr_flg)
 325                 geniocb->context3 = NULL;
 326         else
 327                 geniocb->context3 = (uint8_t *) bmp;
 328
 329         /* Save for completion so we can release these resources */
 330         geniocb->context1 = (uint8_t *) inp;
 331         geniocb->context2 = (uint8_t *) outp;
 332         geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
 333
 334         /* Fill in payload, bp points to frame payload */
 335         icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
 336
 337         /* Fill in rest of iocb */
 338         icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 339         icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 340         icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
 341         icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 342
 343         if (!tmo) {
 344                  /* FC spec states we need 3 * ratov for CT requests */
 345                 tmo = (3 * phba->fc_ratov);
 346         }
 347         icmd->ulpTimeout = tmo;
 348         icmd->ulpBdeCount = 1;
 349         icmd->ulpLe = 1;
 350         icmd->ulpClass = CLASS3;
 351         icmd->ulpContext = ndlp->nlp_rpi;
 352
 353         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 354                 /* For GEN_REQUEST64_CR, use the RPI */
 355                 icmd->ulpCt_h = 0;
 356                 icmd->ulpCt_l = 0;
 357         }
 358
 359         /* Issue GEN REQ IOCB for NPORT <did> */
 360         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 361                          "0119 Issue GEN REQ IOCB to NPORT x%x "
 362                          "Data: x%x x%x\n",
 363                          ndlp->nlp_DID, icmd->ulpIoTag,
 364                          vport->port_state);
 365         geniocb->iocb_cmpl = cmpl;
 366         geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 367         geniocb->vport = vport;
 368         geniocb->retry = retry;
 369         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
 370
 371         if (rc == IOCB_ERROR) {
 372                 lpfc_sli_release_iocbq(phba, geniocb);
 373                 return 1;
 374         }
 375
 376         return 0;
 377 }
 378
 379 static int
 380 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 381             struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 382             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 383                           struct lpfc_iocbq *),
 384             uint32_t rsp_size, uint8_t retry)
 385 {
 386         struct lpfc_hba  *phba = vport->phba;
 387         struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 388         struct lpfc_dmabuf *outmp;
 389         int cnt = 0, status;
 390         int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 391                 CommandResponse.bits.CmdRsp;
 392
 393         bpl++;                  /* Skip past ct request */
 394
 395         /* Put buffer(s) for ct rsp in bpl */
 396         outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 397         if (!outmp)
 398                 return -ENOMEM;
 399         /*
 400          * Form the CT IOCB.  The total number of BDEs in this IOCB
 401          * is the single command plus response count from
 402          * lpfc_alloc_ct_rsp.
 403          */
 404         cnt += 1;
 405         status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
 406                               cnt, 0, retry);
 407         if (status) {
 408                 lpfc_free_ct_rsp(phba, outmp);
 409                 return -ENOMEM;
 410         }
 411         return 0;
 412 }
 413
 414 struct lpfc_vport *
 415 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 416         struct lpfc_vport *vport_curr;
 417         unsigned long flags;
 418
 419         spin_lock_irqsave(&phba->hbalock, flags);
 420         list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 421                 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 422                         spin_unlock_irqrestore(&phba->hbalock, flags);
 423                         return vport_curr;
 424                 }
 425         }
 426         spin_unlock_irqrestore(&phba->hbalock, flags);
 427         return NULL;
 428 }
 429
 430 static int
 431 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
 432 {
 433         struct lpfc_hba  *phba = vport->phba;
 434         struct lpfc_sli_ct_request *Response =
 435                 (struct lpfc_sli_ct_request *) mp->virt;
 436         struct lpfc_nodelist *ndlp = NULL;
 437         struct lpfc_dmabuf *mlast, *next_mp;
 438         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 439         uint32_t Did, CTentry;
 440         int Cnt;
 441         struct list_head head;
 442
 443         lpfc_set_disctmo(vport);
 444         vport->num_disc_nodes = 0;
 445         vport->fc_ns_retry = 0;
 446
 447
 448         list_add_tail(&head, &mp->list);
 449         list_for_each_entry_safe(mp, next_mp, &head, list) {
 450                 mlast = mp;
 451
 452                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 453
 454                 Size -= Cnt;
 455
 456                 if (!ctptr) {
 457                         ctptr = (uint32_t *) mlast->virt;
 458                 } else
 459                         Cnt -= 16;      /* subtract length of CT header */
 460
 461                 /* Loop through entire NameServer list of DIDs */
 462                 while (Cnt >= sizeof (uint32_t)) {
 463                         /* Get next DID from NameServer List */
 464                         CTentry = *ctptr++;
 465                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 466
 467                         ndlp = NULL;
 468
 469                         /*
 470                          * Check for rscn processing or not
 471                          * To conserve rpi's, filter out addresses for other
 472                          * vports on the same physical HBAs.
 473                          */
 474                         if ((Did != vport->fc_myDID) &&
 475                             ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
 476                              vport->cfg_peer_port_login)) {
 477                                 if ((vport->port_type != LPFC_NPIV_PORT) ||
 478                                     (!(vport->ct_flags & FC_CT_RFF_ID)) ||
 479                                     (!vport->cfg_restrict_login)) {
 480                                         ndlp = lpfc_setup_disc_node(vport, Did);
 481                                         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 482                                                 lpfc_debugfs_disc_trc(vport,
 483                                                 LPFC_DISC_TRC_CT,
 484                                                 "Parse GID_FTrsp: "
 485                                                 "did:x%x flg:x%x x%x",
 486                                                 Did, ndlp->nlp_flag,
 487                                                 vport->fc_flag);
 488
 489                                                 lpfc_printf_vlog(vport,
 490                                                         KERN_INFO,
 491                                                         LOG_DISCOVERY,
 492                                                         "0238 Process "
 493                                                         "x%x NameServer Rsp"
 494                                                         "Data: x%x x%x x%x\n",
 495                                                         Did, ndlp->nlp_flag,
 496                                                         vport->fc_flag,
 497                                                         vport->fc_rscn_id_cnt);
 498                                         } else {
 499                                                 lpfc_debugfs_disc_trc(vport,
 500                                                 LPFC_DISC_TRC_CT,
 501                                                 "Skip1 GID_FTrsp: "
 502                                                 "did:x%x flg:x%x cnt:%d",
 503                                                 Did, vport->fc_flag,
 504                                                 vport->fc_rscn_id_cnt);
 505
 506                                                 lpfc_printf_vlog(vport,
 507                                                         KERN_INFO,
 508                                                         LOG_DISCOVERY,
 509                                                         "0239 Skip x%x "
 510                                                         "NameServer Rsp Data: "
 511                                                         "x%x x%x\n",
 512                                                         Did, vport->fc_flag,
 513                                                         vport->fc_rscn_id_cnt);
 514                                         }
 515
 516                                 } else {
 517                                         if (!(vport->fc_flag & FC_RSCN_MODE) ||
 518                                         (lpfc_rscn_payload_check(vport, Did))) {
 519                                                 lpfc_debugfs_disc_trc(vport,
 520                                                 LPFC_DISC_TRC_CT,
 521                                                 "Query GID_FTrsp: "
 522                                                 "did:x%x flg:x%x cnt:%d",
 523                                                 Did, vport->fc_flag,
 524                                                 vport->fc_rscn_id_cnt);
 525
 526                                                 /* This NPortID was previously
 527                                                  * a FCP target, * Don't even
 528                                                  * bother to send GFF_ID.
 529                                                  */
 530                                                 ndlp = lpfc_findnode_did(vport,
 531                                                         Did);
 532                                                 if (ndlp &&
 533                                                     NLP_CHK_NODE_ACT(ndlp)
 534                                                     && (ndlp->nlp_type &
 535                                                      NLP_FCP_TARGET))
 536                                                         lpfc_setup_disc_node
 537                                                                 (vport, Did);
 538                                                 else if (lpfc_ns_cmd(vport,
 539                                                         SLI_CTNS_GFF_ID,
 540                                                         0, Did) == 0)
 541                                                         vport->num_disc_nodes++;
 542                                                 else
 543                                                         lpfc_setup_disc_node
 544                                                                 (vport, Did);
 545                                         }
 546                                         else {
 547                                                 lpfc_debugfs_disc_trc(vport,
 548                                                 LPFC_DISC_TRC_CT,
 549                                                 "Skip2 GID_FTrsp: "
 550                                                 "did:x%x flg:x%x cnt:%d",
 551                                                 Did, vport->fc_flag,
 552                                                 vport->fc_rscn_id_cnt);
 553
 554                                                 lpfc_printf_vlog(vport,
 555                                                         KERN_INFO,
 556                                                         LOG_DISCOVERY,
 557                                                         "0245 Skip x%x "
 558                                                         "NameServer Rsp Data: "
 559                                                         "x%x x%x\n",
 560                                                         Did, vport->fc_flag,
 561                                                         vport->fc_rscn_id_cnt);
 562                                         }
 563                                 }
 564                         }
 565                         if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY)))
 566                                 goto nsout1;
 567                         Cnt -= sizeof (uint32_t);
 568                 }
 569                 ctptr = NULL;
 570
 571         }
 572
 573 nsout1:
 574         list_del(&head);
 575         return 0;
 576 }
 577
 578 static void
 579 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 580                         struct lpfc_iocbq *rspiocb)
 581 {
 582         struct lpfc_vport *vport = cmdiocb->vport;
 583         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 584         IOCB_t *irsp;
 585         struct lpfc_dmabuf *bmp;
 586         struct lpfc_dmabuf *outp;
 587         struct lpfc_sli_ct_request *CTrsp;
 588         struct lpfc_nodelist *ndlp;
 589         int rc;
 590
 591         /* First save ndlp, before we overwrite it */
 592         ndlp = cmdiocb->context_un.ndlp;
 593
 594         /* we pass cmdiocb to state machine which needs rspiocb as well */
 595         cmdiocb->context_un.rsp_iocb = rspiocb;
 596
 597         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 598         bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
 599         irsp = &rspiocb->iocb;
 600
 601         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 602                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 603                 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 604
 605         /* Don't bother processing response if vport is being torn down. */
 606         if (vport->load_flag & FC_UNLOADING) {
 607                 if (vport->fc_flag & FC_RSCN_MODE)
 608                         lpfc_els_flush_rscn(vport);
 609                 goto out;
 610         }
 611
 612         if (lpfc_els_chk_latt(vport)) {
 613                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 614                                  "0216 Link event during NS query\n");
 615                 if (vport->fc_flag & FC_RSCN_MODE)
 616                         lpfc_els_flush_rscn(vport);
 617                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 618                 goto out;
 619         }
 620         if (lpfc_error_lost_link(irsp)) {
 621                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 622                                  "0226 NS query failed due to link event\n");
 623                 if (vport->fc_flag & FC_RSCN_MODE)
 624                         lpfc_els_flush_rscn(vport);
 625                 goto out;
 626         }
 627         if (irsp->ulpStatus) {
 628                 /* Check for retry */
 629                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 630                         if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
 631                             irsp->un.ulpWord[4] != IOERR_NO_RESOURCES)
 632                                 vport->fc_ns_retry++;
 633
 634                         /* CT command is being retried */
 635                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
 636                                          vport->fc_ns_retry, 0);
 637                         if (rc == 0)
 638                                 goto out;
 639                 }
 640                 if (vport->fc_flag & FC_RSCN_MODE)
 641                         lpfc_els_flush_rscn(vport);
 642                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 643                 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 644                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
 645                                  irsp->ulpStatus, vport->fc_ns_retry);
 646         } else {
 647                 /* Good status, continue checking */
 648                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 649                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 650                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 651                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 652                                          "0208 NameServer Rsp Data: x%x\n",
 653                                          vport->fc_flag);
 654                         lpfc_ns_rsp(vport, outp,
 655                                     (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
 656                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 657                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 658                         /* NameServer Rsp Error */
 659                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 660                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 661                                 lpfc_printf_vlog(vport, KERN_INFO,
 662                                         LOG_DISCOVERY,
 663                                         "0269 No NameServer Entries "
 664                                         "Data: x%x x%x x%x x%x\n",
 665                                         CTrsp->CommandResponse.bits.CmdRsp,
 666                                         (uint32_t) CTrsp->ReasonCode,
 667                                         (uint32_t) CTrsp->Explanation,
 668                                         vport->fc_flag);
 669
 670                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 671                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
 672                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 673                                 (uint32_t) CTrsp->ReasonCode,
 674                                 (uint32_t) CTrsp->Explanation);
 675                         } else {
 676                                 lpfc_printf_vlog(vport, KERN_INFO,
 677                                         LOG_DISCOVERY,
 678                                         "0240 NameServer Rsp Error "
 679                                         "Data: x%x x%x x%x x%x\n",
 680                                         CTrsp->CommandResponse.bits.CmdRsp,
 681                                         (uint32_t) CTrsp->ReasonCode,
 682                                         (uint32_t) CTrsp->Explanation,
 683                                         vport->fc_flag);
 684
 685                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 686                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
 687                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 688                                 (uint32_t) CTrsp->ReasonCode,
 689                                 (uint32_t) CTrsp->Explanation);
 690                         }
 691
 692
 693                 } else {
 694                         /* NameServer Rsp Error */
 695                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 696                                         "0241 NameServer Rsp Error "
 697                                         "Data: x%x x%x x%x x%x\n",
 698                                         CTrsp->CommandResponse.bits.CmdRsp,
 699                                         (uint32_t) CTrsp->ReasonCode,
 700                                         (uint32_t) CTrsp->Explanation,
 701                                         vport->fc_flag);
 702
 703                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 704                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
 705                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 706                                 (uint32_t) CTrsp->ReasonCode,
 707                                 (uint32_t) CTrsp->Explanation);
 708                 }
 709         }
 710         /* Link up / RSCN discovery */
 711         if (vport->num_disc_nodes == 0) {
 712                 /*
 713                  * The driver has cycled through all Nports in the RSCN payload.
 714                  * Complete the handling by cleaning up and marking the
 715                  * current driver state.
 716                  */
 717                 if (vport->port_state >= LPFC_DISC_AUTH) {
 718                         if (vport->fc_flag & FC_RSCN_MODE) {
 719                                 lpfc_els_flush_rscn(vport);
 720                                 spin_lock_irq(shost->host_lock);
 721                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 722                                 spin_unlock_irq(shost->host_lock);
 723                         }
 724                         else
 725                                 lpfc_els_flush_rscn(vport);
 726                 }
 727
 728                 lpfc_disc_start(vport);
 729         }
 730 out:
 731         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 732         lpfc_ct_free_iocb(phba, cmdiocb);
 733         return;
 734 }
 735
 736 static void
 737 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 738                         struct lpfc_iocbq *rspiocb)
 739 {
 740         struct lpfc_vport *vport = cmdiocb->vport;
 741         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 742         IOCB_t *irsp = &rspiocb->iocb;
 743         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 744         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 745         struct lpfc_sli_ct_request *CTrsp;
 746         int did, rc, retry;
 747         uint8_t fbits;
 748         struct lpfc_nodelist *ndlp;
 749
 750         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
 751         did = be32_to_cpu(did);
 752
 753         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 754                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
 755                 irsp->ulpStatus, irsp->un.ulpWord[4], did);
 756
 757         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 758                 /* Good status, continue checking */
 759                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 760                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
 761
 762                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 763                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 764                         if ((fbits & FC4_FEATURE_INIT) &&
 765                             !(fbits & FC4_FEATURE_TARGET)) {
 766                                 lpfc_printf_vlog(vport, KERN_INFO,
 767                                                  LOG_DISCOVERY,
 768                                                  "0270 Skip x%x GFF "
 769                                                  "NameServer Rsp Data: (init) "
 770                                                  "x%x x%x\n", did, fbits,
 771                                                  vport->fc_rscn_id_cnt);
 772                                 goto out;
 773                         }
 774                 }
 775         }
 776         else {
 777                 /* Check for retry */
 778                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
 779                         retry = 1;
 780                         if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
 781                                 switch (irsp->un.ulpWord[4]) {
 782                                 case IOERR_NO_RESOURCES:
 783                                         /* We don't increment the retry
 784                                          * count for this case.
 785                                          */
 786                                         break;
 787                                 case IOERR_LINK_DOWN:
 788                                 case IOERR_SLI_ABORTED:
 789                                 case IOERR_SLI_DOWN:
 790                                         retry = 0;
 791                                         break;
 792                                 default:
 793                                         cmdiocb->retry++;
 794                                 }
 795                         }
 796                         else
 797                                 cmdiocb->retry++;
 798
 799                         if (retry) {
 800                                 /* CT command is being retried */
 801                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 802                                          cmdiocb->retry, did);
 803                                 if (rc == 0) {
 804                                         /* success */
 805                                         lpfc_ct_free_iocb(phba, cmdiocb);
 806                                         return;
 807                                 }
 808                         }
 809                 }
 810                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 811                                  "0267 NameServer GFF Rsp "
 812                                  "x%x Error (%d %d) Data: x%x x%x\n",
 813                                  did, irsp->ulpStatus, irsp->un.ulpWord[4],
 814                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 815         }
 816
 817         /* This is a target port, unregistered port, or the GFF_ID failed */
 818         ndlp = lpfc_setup_disc_node(vport, did);
 819         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 820                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 821                                  "0242 Process x%x GFF "
 822                                  "NameServer Rsp Data: x%x x%x x%x\n",
 823                                  did, ndlp->nlp_flag, vport->fc_flag,
 824                                  vport->fc_rscn_id_cnt);
 825         } else {
 826                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 827                                  "0243 Skip x%x GFF "
 828                                  "NameServer Rsp Data: x%x x%x\n", did,
 829                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 830         }
 831 out:
 832         /* Link up / RSCN discovery */
 833         if (vport->num_disc_nodes)
 834                 vport->num_disc_nodes--;
 835         if (vport->num_disc_nodes == 0) {
 836                 /*
 837                  * The driver has cycled through all Nports in the RSCN payload.
 838                  * Complete the handling by cleaning up and marking the
 839                  * current driver state.
 840                  */
 841                 if (vport->port_state >= LPFC_DISC_AUTH) {
 842                         if (vport->fc_flag & FC_RSCN_MODE) {
 843                                 lpfc_els_flush_rscn(vport);
 844                                 spin_lock_irq(shost->host_lock);
 845                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 846                                 spin_unlock_irq(shost->host_lock);
 847                         }
 848                         else
 849                                 lpfc_els_flush_rscn(vport);
 850                 }
 851                 lpfc_disc_start(vport);
 852         }
 853         lpfc_ct_free_iocb(phba, cmdiocb);
 854         return;
 855 }
 856
 857
 858 static void
 859 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 860              struct lpfc_iocbq *rspiocb)
 861 {
 862         struct lpfc_vport *vport = cmdiocb->vport;
 863         struct lpfc_dmabuf *inp;
 864         struct lpfc_dmabuf *outp;
 865         IOCB_t *irsp;
 866         struct lpfc_sli_ct_request *CTrsp;
 867         struct lpfc_nodelist *ndlp;
 868         int cmdcode, rc;
 869         uint8_t retry;
 870         uint32_t latt;
 871
 872         /* First save ndlp, before we overwrite it */
 873         ndlp = cmdiocb->context_un.ndlp;
 874
 875         /* we pass cmdiocb to state machine which needs rspiocb as well */
 876         cmdiocb->context_un.rsp_iocb = rspiocb;
 877
 878         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 879         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 880         irsp = &rspiocb->iocb;
 881
 882         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
 883                                         CommandResponse.bits.CmdRsp);
 884         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 885
 886         latt = lpfc_els_chk_latt(vport);
 887
 888         /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
 889         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 890                          "0209 CT Request completes, latt %d, "
 891                          "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
 892                          latt, irsp->ulpStatus,
 893                          CTrsp->CommandResponse.bits.CmdRsp,
 894                          cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
 895
 896         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 897                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
 898                 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
 899
 900         if (irsp->ulpStatus) {
 901                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 902                                  "0268 NS cmd %x Error (%d %d)\n",
 903                                  cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
 904
 905                 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 906                         ((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) ||
 907                          (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED)))
 908                         goto out;
 909
 910                 retry = cmdiocb->retry;
 911                 if (retry >= LPFC_MAX_NS_RETRY)
 912                         goto out;
 913
 914                 retry++;
 915                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 916                                  "0250 Retrying NS cmd %x\n", cmdcode);
 917                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
 918                 if (rc == 0)
 919                         goto out;
 920         }
 921
 922 out:
 923         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 924         lpfc_ct_free_iocb(phba, cmdiocb);
 925         return;
 926 }
 927
 928 static void
 929 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 930                         struct lpfc_iocbq *rspiocb)
 931 {
 932         IOCB_t *irsp = &rspiocb->iocb;
 933         struct lpfc_vport *vport = cmdiocb->vport;
 934
 935         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 936                 struct lpfc_dmabuf *outp;
 937                 struct lpfc_sli_ct_request *CTrsp;
 938
 939                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 940                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 941                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 942                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 943                         vport->ct_flags |= FC_CT_RFT_ID;
 944         }
 945         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 946         return;
 947 }
 948
 949 static void
 950 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 951                         struct lpfc_iocbq *rspiocb)
 952 {
 953         IOCB_t *irsp = &rspiocb->iocb;
 954         struct lpfc_vport *vport = cmdiocb->vport;
 955
 956         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 957                 struct lpfc_dmabuf *outp;
 958                 struct lpfc_sli_ct_request *CTrsp;
 959
 960                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 961                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 962                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 963                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 964                         vport->ct_flags |= FC_CT_RNN_ID;
 965         }
 966         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 967         return;
 968 }
 969
 970 static void
 971 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 972                          struct lpfc_iocbq *rspiocb)
 973 {
 974         IOCB_t *irsp = &rspiocb->iocb;
 975         struct lpfc_vport *vport = cmdiocb->vport;
 976
 977         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 978                 struct lpfc_dmabuf *outp;
 979                 struct lpfc_sli_ct_request *CTrsp;
 980
 981                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 982                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 983                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 984                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 985                         vport->ct_flags |= FC_CT_RSPN_ID;
 986         }
 987         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 988         return;
 989 }
 990
 991 static void
 992 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 993                          struct lpfc_iocbq *rspiocb)
 994 {
 995         IOCB_t *irsp = &rspiocb->iocb;
 996         struct lpfc_vport *vport = cmdiocb->vport;
 997
 998         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 999                 struct lpfc_dmabuf *outp;
1000                 struct lpfc_sli_ct_request *CTrsp;
1001
1002                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1003                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1004                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1005                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1006                         vport->ct_flags |= FC_CT_RSNN_NN;
1007         }
1008         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1009         return;
1010 }
1011
1012 static void
1013 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1014  struct lpfc_iocbq *rspiocb)
1015 {
1016         struct lpfc_vport *vport = cmdiocb->vport;
1017
1018         /* even if it fails we will act as though it succeeded. */
1019         vport->ct_flags = 0;
1020         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1021         return;
1022 }
1023
1024 static void
1025 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1026                         struct lpfc_iocbq *rspiocb)
1027 {
1028         IOCB_t *irsp = &rspiocb->iocb;
1029         struct lpfc_vport *vport = cmdiocb->vport;
1030
1031         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1032                 struct lpfc_dmabuf *outp;
1033                 struct lpfc_sli_ct_request *CTrsp;
1034
1035                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1036                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1037                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1038                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1039                         vport->ct_flags |= FC_CT_RFF_ID;
1040         }
1041         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1042         return;
1043 }
1044
1045 int
1046 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1047         size_t size)
1048 {
1049         int n;
1050         uint8_t *wwn = vport->phba->wwpn;
1051
1052         n = snprintf(symbol, size,
1053                      "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
1054                      wwn[0], wwn[1], wwn[2], wwn[3],
1055                      wwn[4], wwn[5], wwn[6], wwn[7]);
1056
1057         if (vport->port_type == LPFC_PHYSICAL_PORT)
1058                 return n;
1059
1060         if (n < size)
1061                 n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
1062
1063         if (n < size &&
1064             strlen(vport->fc_vport->symbolic_name))
1065                 n += snprintf(symbol + n, size - n, " VName-%s",
1066                               vport->fc_vport->symbolic_name);
1067         return n;
1068 }
1069
1070 int
1071 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1072         size_t size)
1073 {
1074         char fwrev[16];
1075         int n;
1076
1077         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1078
1079         n = snprintf(symbol, size, "Emulex %s FV%s DV%s",
1080                 vport->phba->ModelName, fwrev, lpfc_release_version);
1081         return n;
1082 }
1083
1084 /*
1085  * lpfc_ns_cmd
1086  * Description:
1087  *    Issue Cmd to NameServer
1088  *       SLI_CTNS_GID_FT
1089  *       LI_CTNS_RFT_ID
1090  */
1091 int
1092 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1093             uint8_t retry, uint32_t context)
1094 {
1095         struct lpfc_nodelist * ndlp;
1096         struct lpfc_hba *phba = vport->phba;
1097         struct lpfc_dmabuf *mp, *bmp;
1098         struct lpfc_sli_ct_request *CtReq;
1099         struct ulp_bde64 *bpl;
1100         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1101                       struct lpfc_iocbq *) = NULL;
1102         uint32_t rsp_size = 1024;
1103         size_t   size;
1104         int rc = 0;
1105
1106         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1107         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1108             || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1109                 rc=1;
1110                 goto ns_cmd_exit;
1111         }
1112
1113         /* fill in BDEs for command */
1114         /* Allocate buffer for command payload */
1115         mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1116         if (!mp) {
1117                 rc=2;
1118                 goto ns_cmd_exit;
1119         }
1120
1121         INIT_LIST_HEAD(&mp->list);
1122         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1123         if (!mp->virt) {
1124                 rc=3;
1125                 goto ns_cmd_free_mp;
1126         }
1127
1128         /* Allocate buffer for Buffer ptr list */
1129         bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1130         if (!bmp) {
1131                 rc=4;
1132                 goto ns_cmd_free_mpvirt;
1133         }
1134
1135         INIT_LIST_HEAD(&bmp->list);
1136         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1137         if (!bmp->virt) {
1138                 rc=5;
1139                 goto ns_cmd_free_bmp;
1140         }
1141
1142         /* NameServer Req */
1143         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1144                          "0236 NameServer Req Data: x%x x%x x%x\n",
1145                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
1146
1147         bpl = (struct ulp_bde64 *) bmp->virt;
1148         memset(bpl, 0, sizeof(struct ulp_bde64));
1149         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1150         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1151         bpl->tus.f.bdeFlags = 0;
1152         if (cmdcode == SLI_CTNS_GID_FT)
1153                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1154         else if (cmdcode == SLI_CTNS_GFF_ID)
1155                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1156         else if (cmdcode == SLI_CTNS_RFT_ID)
1157                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1158         else if (cmdcode == SLI_CTNS_RNN_ID)
1159                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1160         else if (cmdcode == SLI_CTNS_RSPN_ID)
1161                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1162         else if (cmdcode == SLI_CTNS_RSNN_NN)
1163                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1164         else if (cmdcode == SLI_CTNS_DA_ID)
1165                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1166         else if (cmdcode == SLI_CTNS_RFF_ID)
1167                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1168         else
1169                 bpl->tus.f.bdeSize = 0;
1170         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1171
1172         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1173         memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
1174         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1175         CtReq->RevisionId.bits.InId = 0;
1176         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1177         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1178         CtReq->CommandResponse.bits.Size = 0;
1179         switch (cmdcode) {
1180         case SLI_CTNS_GID_FT:
1181                 CtReq->CommandResponse.bits.CmdRsp =
1182                     be16_to_cpu(SLI_CTNS_GID_FT);
1183                 CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
1184                 if (vport->port_state < LPFC_NS_QRY)
1185                         vport->port_state = LPFC_NS_QRY;
1186                 lpfc_set_disctmo(vport);
1187                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1188                 rsp_size = FC_MAX_NS_RSP;
1189                 break;
1190
1191         case SLI_CTNS_GFF_ID:
1192                 CtReq->CommandResponse.bits.CmdRsp =
1193                         be16_to_cpu(SLI_CTNS_GFF_ID);
1194                 CtReq->un.gff.PortId = cpu_to_be32(context);
1195                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
1196                 break;
1197
1198         case SLI_CTNS_RFT_ID:
1199                 vport->ct_flags &= ~FC_CT_RFT_ID;
1200                 CtReq->CommandResponse.bits.CmdRsp =
1201                     be16_to_cpu(SLI_CTNS_RFT_ID);
1202                 CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1203                 CtReq->un.rft.fcpReg = 1;
1204                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
1205                 break;
1206
1207         case SLI_CTNS_RNN_ID:
1208                 vport->ct_flags &= ~FC_CT_RNN_ID;
1209                 CtReq->CommandResponse.bits.CmdRsp =
1210                     be16_to_cpu(SLI_CTNS_RNN_ID);
1211                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1212                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1213                        sizeof (struct lpfc_name));
1214                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1215                 break;
1216
1217         case SLI_CTNS_RSPN_ID:
1218                 vport->ct_flags &= ~FC_CT_RSPN_ID;
1219                 CtReq->CommandResponse.bits.CmdRsp =
1220                     be16_to_cpu(SLI_CTNS_RSPN_ID);
1221                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1222                 size = sizeof(CtReq->un.rspn.symbname);
1223                 CtReq->un.rspn.len =
1224                         lpfc_vport_symbolic_port_name(vport,
1225                         CtReq->un.rspn.symbname, size);
1226                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1227                 break;
1228         case SLI_CTNS_RSNN_NN:
1229                 vport->ct_flags &= ~FC_CT_RSNN_NN;
1230                 CtReq->CommandResponse.bits.CmdRsp =
1231                     be16_to_cpu(SLI_CTNS_RSNN_NN);
1232                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1233                        sizeof (struct lpfc_name));
1234                 size = sizeof(CtReq->un.rsnn.symbname);
1235                 CtReq->un.rsnn.len =
1236                         lpfc_vport_symbolic_node_name(vport,
1237                         CtReq->un.rsnn.symbname, size);
1238                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1239                 break;
1240         case SLI_CTNS_DA_ID:
1241                 /* Implement DA_ID Nameserver request */
1242                 CtReq->CommandResponse.bits.CmdRsp =
1243                         be16_to_cpu(SLI_CTNS_DA_ID);
1244                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1245                 cmpl = lpfc_cmpl_ct_cmd_da_id;
1246                 break;
1247         case SLI_CTNS_RFF_ID:
1248                 vport->ct_flags &= ~FC_CT_RFF_ID;
1249                 CtReq->CommandResponse.bits.CmdRsp =
1250                     be16_to_cpu(SLI_CTNS_RFF_ID);
1251                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1252                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1253                 CtReq->un.rff.type_code = FC_TYPE_FCP;
1254                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
1255                 break;
1256         }
1257         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1258          * to hold ndlp reference for the corresponding callback function.
1259          */
1260         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1261                 /* On success, The cmpl function will free the buffers */
1262                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1263                         "Issue CT cmd:    cmd:x%x did:x%x",
1264                         cmdcode, ndlp->nlp_DID, 0);
1265                 return 0;
1266         }
1267         rc=6;
1268
1269         /* Decrement ndlp reference count to release ndlp reference held
1270          * for the failed command's callback function.
1271          */
1272         lpfc_nlp_put(ndlp);
1273
1274         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1275 ns_cmd_free_bmp:
1276         kfree(bmp);
1277 ns_cmd_free_mpvirt:
1278         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1279 ns_cmd_free_mp:
1280         kfree(mp);
1281 ns_cmd_exit:
1282         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1283                          "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1284                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1285         return 1;
1286 }
1287
1288 static void
1289 lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1290                       struct lpfc_iocbq * rspiocb)
1291 {
1292         struct lpfc_dmabuf *inp = cmdiocb->context1;
1293         struct lpfc_dmabuf *outp = cmdiocb->context2;
1294         struct lpfc_sli_ct_request *CTrsp = outp->virt;
1295         struct lpfc_sli_ct_request *CTcmd = inp->virt;
1296         struct lpfc_nodelist *ndlp;
1297         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1298         uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1299         struct lpfc_vport *vport = cmdiocb->vport;
1300         IOCB_t *irsp = &rspiocb->iocb;
1301         uint32_t latt;
1302
1303         latt = lpfc_els_chk_latt(vport);
1304
1305         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1306                 "FDMI cmpl:       status:x%x/x%x latt:%d",
1307                 irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1308
1309         if (latt || irsp->ulpStatus) {
1310                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1311                                  "0229 FDMI cmd %04x failed, latt = %d "
1312                                  "ulpStatus: x%x, rid x%x\n",
1313                                  be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1314                                  irsp->un.ulpWord[4]);
1315                 lpfc_ct_free_iocb(phba, cmdiocb);
1316                 return;
1317         }
1318
1319         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1320         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1321                 goto fail_out;
1322
1323         if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1324                 /* FDMI rsp failed */
1325                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1326                                  "0220 FDMI rsp failed Data: x%x\n",
1327                                  be16_to_cpu(fdmi_cmd));
1328         }
1329
1330         switch (be16_to_cpu(fdmi_cmd)) {
1331         case SLI_MGMT_RHBA:
1332                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA);
1333                 break;
1334
1335         case SLI_MGMT_RPA:
1336                 break;
1337
1338         case SLI_MGMT_DHBA:
1339                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT);
1340                 break;
1341
1342         case SLI_MGMT_DPRT:
1343                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1344                 break;
1345         }
1346
1347 fail_out:
1348         lpfc_ct_free_iocb(phba, cmdiocb);
1349         return;
1350 }
1351
1352 int
1353 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1354 {
1355         struct lpfc_hba *phba = vport->phba;
1356         struct lpfc_dmabuf *mp, *bmp;
1357         struct lpfc_sli_ct_request *CtReq;
1358         struct ulp_bde64 *bpl;
1359         uint32_t size;
1360         REG_HBA *rh;
1361         PORT_ENTRY *pe;
1362         REG_PORT_ATTRIBUTE *pab;
1363         ATTRIBUTE_BLOCK *ab;
1364         ATTRIBUTE_ENTRY *ae;
1365         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1366                       struct lpfc_iocbq *);
1367
1368
1369         /* fill in BDEs for command */
1370         /* Allocate buffer for command payload */
1371         mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1372         if (!mp)
1373                 goto fdmi_cmd_exit;
1374
1375         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
1376         if (!mp->virt)
1377                 goto fdmi_cmd_free_mp;
1378
1379         /* Allocate buffer for Buffer ptr list */
1380         bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1381         if (!bmp)
1382                 goto fdmi_cmd_free_mpvirt;
1383
1384         bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
1385         if (!bmp->virt)
1386                 goto fdmi_cmd_free_bmp;
1387
1388         INIT_LIST_HEAD(&mp->list);
1389         INIT_LIST_HEAD(&bmp->list);
1390
1391         /* FDMI request */
1392         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1393                          "0218 FDMI Request Data: x%x x%x x%x\n",
1394                          vport->fc_flag, vport->port_state, cmdcode);
1395         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1396
1397         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1398         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1399         CtReq->RevisionId.bits.InId = 0;
1400
1401         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
1402         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
1403         size = 0;
1404
1405         switch (cmdcode) {
1406         case SLI_MGMT_RHBA:
1407                 {
1408                         lpfc_vpd_t *vp = &phba->vpd;
1409                         uint32_t i, j, incr;
1410                         int len;
1411
1412                         CtReq->CommandResponse.bits.CmdRsp =
1413                             be16_to_cpu(SLI_MGMT_RHBA);
1414                         CtReq->CommandResponse.bits.Size = 0;
1415                         rh = (REG_HBA *) & CtReq->un.PortID;
1416                         memcpy(&rh->hi.PortName, &vport->fc_sparam.portName,
1417                                sizeof (struct lpfc_name));
1418                         /* One entry (port) per adapter */
1419                         rh->rpl.EntryCnt = be32_to_cpu(1);
1420                         memcpy(&rh->rpl.pe, &vport->fc_sparam.portName,
1421                                sizeof (struct lpfc_name));
1422
1423                         /* point to the HBA attribute block */
1424                         size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
1425                         ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
1426                         ab->EntryCnt = 0;
1427
1428                         /* Point to the beginning of the first HBA attribute
1429                            entry */
1430                         /* #1 HBA attribute entry */
1431                         size += FOURBYTES;
1432                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1433                         ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);
1434                         ae->ad.bits.AttrLen =  be16_to_cpu(FOURBYTES
1435                                                 + sizeof (struct lpfc_name));
1436                         memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1437                                sizeof (struct lpfc_name));
1438                         ab->EntryCnt++;
1439                         size += FOURBYTES + sizeof (struct lpfc_name);
1440
1441                         /* #2 HBA attribute entry */
1442                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1443                         ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER);
1444                         strcpy(ae->un.Manufacturer, "Emulex Corporation");
1445                         len = strlen(ae->un.Manufacturer);
1446                         len += (len & 3) ? (4 - (len & 3)) : 4;
1447                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1448                         ab->EntryCnt++;
1449                         size += FOURBYTES + len;
1450
1451                         /* #3 HBA attribute entry */
1452                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1453                         ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER);
1454                         strcpy(ae->un.SerialNumber, phba->SerialNumber);
1455                         len = strlen(ae->un.SerialNumber);
1456                         len += (len & 3) ? (4 - (len & 3)) : 4;
1457                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1458                         ab->EntryCnt++;
1459                         size += FOURBYTES + len;
1460
1461                         /* #4 HBA attribute entry */
1462                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1463                         ae->ad.bits.AttrType = be16_to_cpu(MODEL);
1464                         strcpy(ae->un.Model, phba->ModelName);
1465                         len = strlen(ae->un.Model);
1466                         len += (len & 3) ? (4 - (len & 3)) : 4;
1467                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1468                         ab->EntryCnt++;
1469                         size += FOURBYTES + len;
1470
1471                         /* #5 HBA attribute entry */
1472                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1473                         ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION);
1474                         strcpy(ae->un.ModelDescription, phba->ModelDesc);
1475                         len = strlen(ae->un.ModelDescription);
1476                         len += (len & 3) ? (4 - (len & 3)) : 4;
1477                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1478                         ab->EntryCnt++;
1479                         size += FOURBYTES + len;
1480
1481                         /* #6 HBA attribute entry */
1482                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1483                         ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION);
1484                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8);
1485                         /* Convert JEDEC ID to ascii for hardware version */
1486                         incr = vp->rev.biuRev;
1487                         for (i = 0; i < 8; i++) {
1488                                 j = (incr & 0xf);
1489                                 if (j <= 9)
1490                                         ae->un.HardwareVersion[7 - i] =
1491                                             (char)((uint8_t) 0x30 +
1492                                                    (uint8_t) j);
1493                                 else
1494                                         ae->un.HardwareVersion[7 - i] =
1495                                             (char)((uint8_t) 0x61 +
1496                                                    (uint8_t) (j - 10));
1497                                 incr = (incr >> 4);
1498                         }
1499                         ab->EntryCnt++;
1500                         size += FOURBYTES + 8;
1501
1502                         /* #7 HBA attribute entry */
1503                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1504                         ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION);
1505                         strcpy(ae->un.DriverVersion, lpfc_release_version);
1506                         len = strlen(ae->un.DriverVersion);
1507                         len += (len & 3) ? (4 - (len & 3)) : 4;
1508                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1509                         ab->EntryCnt++;
1510                         size += FOURBYTES + len;
1511
1512                         /* #8 HBA attribute entry */
1513                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1514                         ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION);
1515                         strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion);
1516                         len = strlen(ae->un.OptionROMVersion);
1517                         len += (len & 3) ? (4 - (len & 3)) : 4;
1518                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1519                         ab->EntryCnt++;
1520                         size += FOURBYTES + len;
1521
1522                         /* #9 HBA attribute entry */
1523                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1524                         ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION);
1525                         lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
1526                                 1);
1527                         len = strlen(ae->un.FirmwareVersion);
1528                         len += (len & 3) ? (4 - (len & 3)) : 4;
1529                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1530                         ab->EntryCnt++;
1531                         size += FOURBYTES + len;
1532
1533                         /* #10 HBA attribute entry */
1534                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1535                         ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
1536                         sprintf(ae->un.OsNameVersion, "%s %s %s",
1537                                 init_utsname()->sysname,
1538                                 init_utsname()->release,
1539                                 init_utsname()->version);
1540                         len = strlen(ae->un.OsNameVersion);
1541                         len += (len & 3) ? (4 - (len & 3)) : 4;
1542                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1543                         ab->EntryCnt++;
1544                         size += FOURBYTES + len;
1545
1546                         /* #11 HBA attribute entry */
1547                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1548                         ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN);
1549                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1550                         ae->un.MaxCTPayloadLen = (65 * 4096);
1551                         ab->EntryCnt++;
1552                         size += FOURBYTES + 4;
1553
1554                         ab->EntryCnt = be32_to_cpu(ab->EntryCnt);
1555                         /* Total size */
1556                         size = GID_REQUEST_SZ - 4 + size;
1557                 }
1558                 break;
1559
1560         case SLI_MGMT_RPA:
1561                 {
1562                         lpfc_vpd_t *vp;
1563                         struct serv_parm *hsp;
1564                         int len;
1565
1566                         vp = &phba->vpd;
1567
1568                         CtReq->CommandResponse.bits.CmdRsp =
1569                             be16_to_cpu(SLI_MGMT_RPA);
1570                         CtReq->CommandResponse.bits.Size = 0;
1571                         pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID;
1572                         size = sizeof (struct lpfc_name) + FOURBYTES;
1573                         memcpy((uint8_t *) & pab->PortName,
1574                                (uint8_t *) & vport->fc_sparam.portName,
1575                                sizeof (struct lpfc_name));
1576                         pab->ab.EntryCnt = 0;
1577
1578                         /* #1 Port attribute entry */
1579                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1580                         ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES);
1581                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32);
1582                         ae->un.SupportFC4Types[2] = 1;
1583                         ae->un.SupportFC4Types[7] = 1;
1584                         pab->ab.EntryCnt++;
1585                         size += FOURBYTES + 32;
1586
1587                         /* #2 Port attribute entry */
1588                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1589                         ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED);
1590                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1591
1592                         ae->un.SupportSpeed = 0;
1593                         if (phba->lmt & LMT_10Gb)
1594                                 ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT;
1595                         if (phba->lmt & LMT_8Gb)
1596                                 ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
1597                         if (phba->lmt & LMT_4Gb)
1598                                 ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
1599                         if (phba->lmt & LMT_2Gb)
1600                                 ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
1601                         if (phba->lmt & LMT_1Gb)
1602                                 ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT;
1603
1604                         pab->ab.EntryCnt++;
1605                         size += FOURBYTES + 4;
1606
1607                         /* #3 Port attribute entry */
1608                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1609                         ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED);
1610                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1611                         switch(phba->fc_linkspeed) {
1612                                 case LA_1GHZ_LINK:
1613                                         ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1614                                 break;
1615                                 case LA_2GHZ_LINK:
1616                                         ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1617                                 break;
1618                                 case LA_4GHZ_LINK:
1619                                         ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1620                                 break;
1621                                 case LA_8GHZ_LINK:
1622                                         ae->un.PortSpeed = HBA_PORTSPEED_8GBIT;
1623                                 break;
1624                                 case LA_10GHZ_LINK:
1625                                         ae->un.PortSpeed = HBA_PORTSPEED_10GBIT;
1626                                 break;
1627                                 default:
1628                                         ae->un.PortSpeed =
1629                                                 HBA_PORTSPEED_UNKNOWN;
1630                                 break;
1631                         }
1632                         pab->ab.EntryCnt++;
1633                         size += FOURBYTES + 4;
1634
1635                         /* #4 Port attribute entry */
1636                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1637                         ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE);
1638                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1639                         hsp = (struct serv_parm *) & vport->fc_sparam;
1640                         ae->un.MaxFrameSize =
1641                             (((uint32_t) hsp->cmn.
1642                               bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn.
1643                             bbRcvSizeLsb;
1644                         pab->ab.EntryCnt++;
1645                         size += FOURBYTES + 4;
1646
1647                         /* #5 Port attribute entry */
1648                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1649                         ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME);
1650                         strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME);
1651                         len = strlen((char *)ae->un.OsDeviceName);
1652                         len += (len & 3) ? (4 - (len & 3)) : 4;
1653                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1654                         pab->ab.EntryCnt++;
1655                         size += FOURBYTES + len;
1656
1657                         if (vport->cfg_fdmi_on == 2) {
1658                                 /* #6 Port attribute entry */
1659                                 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab +
1660                                                           size);
1661                                 ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME);
1662                                 sprintf(ae->un.HostName, "%s",
1663                                         init_utsname()->nodename);
1664                                 len = strlen(ae->un.HostName);
1665                                 len += (len & 3) ? (4 - (len & 3)) : 4;
1666                                 ae->ad.bits.AttrLen =
1667                                     be16_to_cpu(FOURBYTES + len);
1668                                 pab->ab.EntryCnt++;
1669                                 size += FOURBYTES + len;
1670                         }
1671
1672                         pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt);
1673                         /* Total size */
1674                         size = GID_REQUEST_SZ - 4 + size;
1675                 }
1676                 break;
1677
1678         case SLI_MGMT_DHBA:
1679                 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA);
1680                 CtReq->CommandResponse.bits.Size = 0;
1681                 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1682                 memcpy((uint8_t *) & pe->PortName,
1683                        (uint8_t *) & vport->fc_sparam.portName,
1684                        sizeof (struct lpfc_name));
1685                 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1686                 break;
1687
1688         case SLI_MGMT_DPRT:
1689                 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT);
1690                 CtReq->CommandResponse.bits.Size = 0;
1691                 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1692                 memcpy((uint8_t *) & pe->PortName,
1693                        (uint8_t *) & vport->fc_sparam.portName,
1694                        sizeof (struct lpfc_name));
1695                 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1696                 break;
1697         }
1698
1699         bpl = (struct ulp_bde64 *) bmp->virt;
1700         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1701         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1702         bpl->tus.f.bdeFlags = 0;
1703         bpl->tus.f.bdeSize = size;
1704         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1705
1706         cmpl = lpfc_cmpl_ct_cmd_fdmi;
1707
1708         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1709          * to hold ndlp reference for the corresponding callback function.
1710          */
1711         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0))
1712                 return 0;
1713
1714         /* Decrement ndlp reference count to release ndlp reference held
1715          * for the failed command's callback function.
1716          */
1717         lpfc_nlp_put(ndlp);
1718
1719         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1720 fdmi_cmd_free_bmp:
1721         kfree(bmp);
1722 fdmi_cmd_free_mpvirt:
1723         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1724 fdmi_cmd_free_mp:
1725         kfree(mp);
1726 fdmi_cmd_exit:
1727         /* Issue FDMI request failed */
1728         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1729                          "0244 Issue FDMI request failed Data: x%x\n",
1730                          cmdcode);
1731         return 1;
1732 }
1733
1734 void
1735 lpfc_fdmi_tmo(unsigned long ptr)
1736 {
1737         struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
1738         struct lpfc_hba   *phba = vport->phba;
1739         uint32_t tmo_posted;
1740         unsigned long iflag;
1741
1742         spin_lock_irqsave(&vport->work_port_lock, iflag);
1743         tmo_posted = vport->work_port_events & WORKER_FDMI_TMO;
1744         if (!tmo_posted)
1745                 vport->work_port_events |= WORKER_FDMI_TMO;
1746         spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1747
1748         if (!tmo_posted)
1749                 lpfc_worker_wake_up(phba);
1750         return;
1751 }
1752
1753 void
1754 lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
1755 {
1756         struct lpfc_nodelist *ndlp;
1757
1758         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1759         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1760                 if (init_utsname()->nodename[0] != '\0')
1761                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
1762                 else
1763                         mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60);
1764         }
1765         return;
1766 }
1767
1768 void
1769 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
1770 {
1771         struct lpfc_sli *psli = &phba->sli;
1772         lpfc_vpd_t *vp = &phba->vpd;
1773         uint32_t b1, b2, b3, b4, i, rev;
1774         char c;
1775         uint32_t *ptr, str[4];
1776         uint8_t *fwname;
1777
1778         if (phba->sli_rev == LPFC_SLI_REV4)
1779                 sprintf(fwrevision, "%s", vp->rev.opFwName);
1780         else if (vp->rev.rBit) {
1781                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
1782                         rev = vp->rev.sli2FwRev;
1783                 else
1784                         rev = vp->rev.sli1FwRev;
1785
1786                 b1 = (rev & 0x0000f000) >> 12;
1787                 b2 = (rev & 0x00000f00) >> 8;
1788                 b3 = (rev & 0x000000c0) >> 6;
1789                 b4 = (rev & 0x00000030) >> 4;
1790
1791                 switch (b4) {
1792                 case 0:
1793                         c = 'N';
1794                         break;
1795                 case 1:
1796                         c = 'A';
1797                         break;
1798                 case 2:
1799                         c = 'B';
1800                         break;
1801                 default:
1802                         c = 0;
1803                         break;
1804                 }
1805                 b4 = (rev & 0x0000000f);
1806
1807                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
1808                         fwname = vp->rev.sli2FwName;
1809                 else
1810                         fwname = vp->rev.sli1FwName;
1811
1812                 for (i = 0; i < 16; i++)
1813                         if (fwname[i] == 0x20)
1814                                 fwname[i] = 0;
1815
1816                 ptr = (uint32_t*)fwname;
1817
1818                 for (i = 0; i < 3; i++)
1819                         str[i] = be32_to_cpu(*ptr++);
1820
1821                 if (c == 0) {
1822                         if (flag)
1823                                 sprintf(fwrevision, "%d.%d%d (%s)",
1824                                         b1, b2, b3, (char *)str);
1825                         else
1826                                 sprintf(fwrevision, "%d.%d%d", b1,
1827                                         b2, b3);
1828                 } else {
1829                         if (flag)
1830                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
1831                                         b1, b2, b3, c,
1832                                         b4, (char *)str);
1833                         else
1834                                 sprintf(fwrevision, "%d.%d%d%c%d",
1835                                         b1, b2, b3, c, b4);
1836                 }
1837         } else {
1838                 rev = vp->rev.smFwRev;
1839
1840                 b1 = (rev & 0xff000000) >> 24;
1841                 b2 = (rev & 0x00f00000) >> 20;
1842                 b3 = (rev & 0x000f0000) >> 16;
1843                 c  = (rev & 0x0000ff00) >> 8;
1844                 b4 = (rev & 0x000000ff);
1845
1846                 if (flag)
1847                         sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1848                                 b2, b3, c, b4);
1849                 else
1850                         sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1851                                 b2, b3, c, b4);
1852         }
1853         return;
1854 }