SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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) 2004-2008 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
  35 #include "lpfc_hw.h"
  36 #include "lpfc_sli.h"
  37 #include "lpfc_disc.h"
  38 #include "lpfc_scsi.h"
  39 #include "lpfc.h"
  40 #include "lpfc_logmsg.h"
  41 #include "lpfc_crtn.h"
  42 #include "lpfc_version.h"
  43 #include "lpfc_vport.h"
  44 #include "lpfc_debugfs.h"
  45
  46 #define HBA_PORTSPEED_UNKNOWN               0   /* Unknown - transceiver
  47                                                  * incapable of reporting */
  48 #define HBA_PORTSPEED_1GBIT                 1   /* 1 GBit/sec */
  49 #define HBA_PORTSPEED_2GBIT                 2   /* 2 GBit/sec */
  50 #define HBA_PORTSPEED_4GBIT                 8   /* 4 GBit/sec */
  51 #define HBA_PORTSPEED_8GBIT                16   /* 8 GBit/sec */
  52 #define HBA_PORTSPEED_10GBIT                4   /* 10 GBit/sec */
  53 #define HBA_PORTSPEED_NOT_NEGOTIATED        5   /* Speed not established */
  54
  55 #define FOURBYTES       4
  56
  57
  58 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
  59
  60 static void
  61 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  62                           struct lpfc_dmabuf *mp, uint32_t size)
  63 {
  64         if (!mp) {
  65                 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  66                                 "0146 Ignoring unsolicted CT No HBQ "
  67                                 "status = x%x\n",
  68                                 piocbq->iocb.ulpStatus);
  69         }
  70         lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  71                         "0145 Ignoring unsolicted CT HBQ Size:%d "
  72                         "status = x%x\n",
  73                         size, piocbq->iocb.ulpStatus);
  74 }
  75
  76 static void
  77 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  78                      struct lpfc_dmabuf *mp, uint32_t size)
  79 {
  80         lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
  81 }
  82
  83 void
  84 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
  85                     struct lpfc_iocbq *piocbq)
  86 {
  87
  88         struct lpfc_dmabuf *mp = NULL;
  89         IOCB_t *icmd = &piocbq->iocb;
  90         int i;
  91         struct lpfc_iocbq *iocbq;
  92         dma_addr_t paddr;
  93         uint32_t size;
  94         struct list_head head;
  95         struct lpfc_dmabuf *bdeBuf;
  96
  97         if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
  98                 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
  99         } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 100                 ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
 101                 /* Not enough posted buffers; Try posting more buffers */
 102                 phba->fc_stat.NoRcvBuf++;
 103                 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 104                         lpfc_post_buffer(phba, pring, 2, 1);
 105                 return;
 106         }
 107
 108         /* If there are no BDEs associated with this IOCB,
 109          * there is nothing to do.
 110          */
 111         if (icmd->ulpBdeCount == 0)
 112                 return;
 113
 114         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 115                 INIT_LIST_HEAD(&head);
 116                 list_add_tail(&head, &piocbq->list);
 117                 list_for_each_entry(iocbq, &head, list) {
 118                         icmd = &iocbq->iocb;
 119                         if (icmd->ulpBdeCount == 0)
 120                                 continue;
 121                         bdeBuf = iocbq->context2;
 122                         iocbq->context2 = NULL;
 123                         size  = icmd->un.cont64[0].tus.f.bdeSize;
 124                         lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
 125                         lpfc_in_buf_free(phba, bdeBuf);
 126                         if (icmd->ulpBdeCount == 2) {
 127                                 bdeBuf = iocbq->context3;
 128                                 iocbq->context3 = NULL;
 129                                 size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
 130                                 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
 131                                                      size);
 132                                 lpfc_in_buf_free(phba, bdeBuf);
 133                         }
 134                 }
 135                 list_del(&head);
 136         } else {
 137                 struct lpfc_iocbq  *next;
 138
 139                 list_for_each_entry_safe(iocbq, next, &piocbq->list, list) {
 140                         icmd = &iocbq->iocb;
 141                         if (icmd->ulpBdeCount == 0)
 142                                 lpfc_ct_unsol_buffer(phba, piocbq, NULL, 0);
 143                         for (i = 0; i < icmd->ulpBdeCount; i++) {
 144                                 paddr = getPaddr(icmd->un.cont64[i].addrHigh,
 145                                                  icmd->un.cont64[i].addrLow);
 146                                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
 147                                                               paddr);
 148                                 size = icmd->un.cont64[i].tus.f.bdeSize;
 149                                 lpfc_ct_unsol_buffer(phba, piocbq, mp, size);
 150                                 lpfc_in_buf_free(phba, mp);
 151                         }
 152                         list_del(&iocbq->list);
 153                         lpfc_sli_release_iocbq(phba, iocbq);
 154                         lpfc_post_buffer(phba, pring, i, 1);
 155                 }
 156         }
 157 }
 158
 159 static void
 160 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 161 {
 162         struct lpfc_dmabuf *mlast, *next_mlast;
 163
 164         list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 165                 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 166                 list_del(&mlast->list);
 167                 kfree(mlast);
 168         }
 169         lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 170         kfree(mlist);
 171         return;
 172 }
 173
 174 static struct lpfc_dmabuf *
 175 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 176                   uint32_t size, int *entries)
 177 {
 178         struct lpfc_dmabuf *mlist = NULL;
 179         struct lpfc_dmabuf *mp;
 180         int cnt, i = 0;
 181
 182         /* We get chunks of FCELSSIZE */
 183         cnt = size > FCELSSIZE ? FCELSSIZE: size;
 184
 185         while (size) {
 186                 /* Allocate buffer for rsp payload */
 187                 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 188                 if (!mp) {
 189                         if (mlist)
 190                                 lpfc_free_ct_rsp(phba, mlist);
 191                         return NULL;
 192                 }
 193
 194                 INIT_LIST_HEAD(&mp->list);
 195
 196                 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 197                     cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 198                         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 199                 else
 200                         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 201
 202                 if (!mp->virt) {
 203                         kfree(mp);
 204                         if (mlist)
 205                                 lpfc_free_ct_rsp(phba, mlist);
 206                         return NULL;
 207                 }
 208
 209                 /* Queue it to a linked list */
 210                 if (!mlist)
 211                         mlist = mp;
 212                 else
 213                         list_add_tail(&mp->list, &mlist->list);
 214
 215                 bpl->tus.f.bdeFlags = BUFF_USE_RCV;
 216                 /* build buffer ptr list for IOCB */
 217                 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 218                 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 219                 bpl->tus.f.bdeSize = (uint16_t) cnt;
 220                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
 221                 bpl++;
 222
 223                 i++;
 224                 size -= cnt;
 225         }
 226
 227         *entries = i;
 228         return mlist;
 229 }
 230
 231 int
 232 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 233 {
 234         struct lpfc_dmabuf *buf_ptr;
 235
 236         if (ctiocb->context_un.ndlp) {
 237                 lpfc_nlp_put(ctiocb->context_un.ndlp);
 238                 ctiocb->context_un.ndlp = NULL;
 239         }
 240         if (ctiocb->context1) {
 241                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
 242                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 243                 kfree(buf_ptr);
 244                 ctiocb->context1 = NULL;
 245         }
 246         if (ctiocb->context2) {
 247                 lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
 248                 ctiocb->context2 = NULL;
 249         }
 250
 251         if (ctiocb->context3) {
 252                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
 253                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 254                 kfree(buf_ptr);
 255                 ctiocb->context1 = NULL;
 256         }
 257         lpfc_sli_release_iocbq(phba, ctiocb);
 258         return 0;
 259 }
 260
 261 static int
 262 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 263              struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 264              void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 265                      struct lpfc_iocbq *),
 266              struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
 267              uint32_t tmo, uint8_t retry)
 268 {
 269         struct lpfc_hba  *phba = vport->phba;
 270         struct lpfc_sli  *psli = &phba->sli;
 271         struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
 272         IOCB_t *icmd;
 273         struct lpfc_iocbq *geniocb;
 274         int rc;
 275
 276         /* Allocate buffer for  command iocb */
 277         geniocb = lpfc_sli_get_iocbq(phba);
 278
 279         if (geniocb == NULL)
 280                 return 1;
 281
 282         icmd = &geniocb->iocb;
 283         icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 284         icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 285         icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 286         icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BDL;
 287         icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
 288
 289         if (usr_flg)
 290                 geniocb->context3 = NULL;
 291         else
 292                 geniocb->context3 = (uint8_t *) bmp;
 293
 294         /* Save for completion so we can release these resources */
 295         geniocb->context1 = (uint8_t *) inp;
 296         geniocb->context2 = (uint8_t *) outp;
 297         geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
 298
 299         /* Fill in payload, bp points to frame payload */
 300         icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
 301
 302         /* Fill in rest of iocb */
 303         icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 304         icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 305         icmd->un.genreq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
 306         icmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
 307
 308         if (!tmo) {
 309                  /* FC spec states we need 3 * ratov for CT requests */
 310                 tmo = (3 * phba->fc_ratov);
 311         }
 312         icmd->ulpTimeout = tmo;
 313         icmd->ulpBdeCount = 1;
 314         icmd->ulpLe = 1;
 315         icmd->ulpClass = CLASS3;
 316         icmd->ulpContext = ndlp->nlp_rpi;
 317
 318         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 319                 /* For GEN_REQUEST64_CR, use the RPI */
 320                 icmd->ulpCt_h = 0;
 321                 icmd->ulpCt_l = 0;
 322         }
 323
 324         /* Issue GEN REQ IOCB for NPORT <did> */
 325         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 326                          "0119 Issue GEN REQ IOCB to NPORT x%x "
 327                          "Data: x%x x%x\n",
 328                          ndlp->nlp_DID, icmd->ulpIoTag,
 329                          vport->port_state);
 330         geniocb->iocb_cmpl = cmpl;
 331         geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 332         geniocb->vport = vport;
 333         geniocb->retry = retry;
 334         rc = lpfc_sli_issue_iocb(phba, pring, geniocb, 0);
 335
 336         if (rc == IOCB_ERROR) {
 337                 lpfc_sli_release_iocbq(phba, geniocb);
 338                 return 1;
 339         }
 340
 341         return 0;
 342 }
 343
 344 static int
 345 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 346             struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 347             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 348                           struct lpfc_iocbq *),
 349             uint32_t rsp_size, uint8_t retry)
 350 {
 351         struct lpfc_hba  *phba = vport->phba;
 352         struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 353         struct lpfc_dmabuf *outmp;
 354         int cnt = 0, status;
 355         int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 356                 CommandResponse.bits.CmdRsp;
 357
 358         bpl++;                  /* Skip past ct request */
 359
 360         /* Put buffer(s) for ct rsp in bpl */
 361         outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 362         if (!outmp)
 363                 return -ENOMEM;
 364
 365         status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
 366                               cnt+1, 0, retry);
 367         if (status) {
 368                 lpfc_free_ct_rsp(phba, outmp);
 369                 return -ENOMEM;
 370         }
 371         return 0;
 372 }
 373
 374 struct lpfc_vport *
 375 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 376         struct lpfc_vport *vport_curr;
 377         unsigned long flags;
 378
 379         spin_lock_irqsave(&phba->hbalock, flags);
 380         list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 381                 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 382                         spin_unlock_irqrestore(&phba->hbalock, flags);
 383                         return vport_curr;
 384                 }
 385         }
 386         spin_unlock_irqrestore(&phba->hbalock, flags);
 387         return NULL;
 388 }
 389
 390 static int
 391 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
 392 {
 393         struct lpfc_hba  *phba = vport->phba;
 394         struct lpfc_sli_ct_request *Response =
 395                 (struct lpfc_sli_ct_request *) mp->virt;
 396         struct lpfc_nodelist *ndlp = NULL;
 397         struct lpfc_dmabuf *mlast, *next_mp;
 398         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 399         uint32_t Did, CTentry;
 400         int Cnt;
 401         struct list_head head;
 402
 403         lpfc_set_disctmo(vport);
 404         vport->num_disc_nodes = 0;
 405         vport->fc_ns_retry = 0;
 406
 407
 408         list_add_tail(&head, &mp->list);
 409         list_for_each_entry_safe(mp, next_mp, &head, list) {
 410                 mlast = mp;
 411
 412                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 413
 414                 Size -= Cnt;
 415
 416                 if (!ctptr) {
 417                         ctptr = (uint32_t *) mlast->virt;
 418                 } else
 419                         Cnt -= 16;      /* subtract length of CT header */
 420
 421                 /* Loop through entire NameServer list of DIDs */
 422                 while (Cnt >= sizeof (uint32_t)) {
 423                         /* Get next DID from NameServer List */
 424                         CTentry = *ctptr++;
 425                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 426
 427                         ndlp = NULL;
 428
 429                         /*
 430                          * Check for rscn processing or not
 431                          * To conserve rpi's, filter out addresses for other
 432                          * vports on the same physical HBAs.
 433                          */
 434                         if ((Did != vport->fc_myDID) &&
 435                             ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
 436                              vport->cfg_peer_port_login)) {
 437                                 if ((vport->port_type != LPFC_NPIV_PORT) ||
 438                                     (!(vport->ct_flags & FC_CT_RFF_ID)) ||
 439                                     (!vport->cfg_restrict_login)) {
 440                                         ndlp = lpfc_setup_disc_node(vport, Did);
 441                                         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 442                                                 lpfc_debugfs_disc_trc(vport,
 443                                                 LPFC_DISC_TRC_CT,
 444                                                 "Parse GID_FTrsp: "
 445                                                 "did:x%x flg:x%x x%x",
 446                                                 Did, ndlp->nlp_flag,
 447                                                 vport->fc_flag);
 448
 449                                                 lpfc_printf_vlog(vport,
 450                                                         KERN_INFO,
 451                                                         LOG_DISCOVERY,
 452                                                         "0238 Process "
 453                                                         "x%x NameServer Rsp"
 454                                                         "Data: x%x x%x x%x\n",
 455                                                         Did, ndlp->nlp_flag,
 456                                                         vport->fc_flag,
 457                                                         vport->fc_rscn_id_cnt);
 458                                         } else {
 459                                                 lpfc_debugfs_disc_trc(vport,
 460                                                 LPFC_DISC_TRC_CT,
 461                                                 "Skip1 GID_FTrsp: "
 462                                                 "did:x%x flg:x%x cnt:%d",
 463                                                 Did, vport->fc_flag,
 464                                                 vport->fc_rscn_id_cnt);
 465
 466                                                 lpfc_printf_vlog(vport,
 467                                                         KERN_INFO,
 468                                                         LOG_DISCOVERY,
 469                                                         "0239 Skip x%x "
 470                                                         "NameServer Rsp Data: "
 471                                                         "x%x x%x\n",
 472                                                         Did, vport->fc_flag,
 473                                                         vport->fc_rscn_id_cnt);
 474                                         }
 475
 476                                 } else {
 477                                         if (!(vport->fc_flag & FC_RSCN_MODE) ||
 478                                         (lpfc_rscn_payload_check(vport, Did))) {
 479                                                 lpfc_debugfs_disc_trc(vport,
 480                                                 LPFC_DISC_TRC_CT,
 481                                                 "Query GID_FTrsp: "
 482                                                 "did:x%x flg:x%x cnt:%d",
 483                                                 Did, vport->fc_flag,
 484                                                 vport->fc_rscn_id_cnt);
 485
 486                                                 /* This NPortID was previously
 487                                                  * a FCP target, * Don't even
 488                                                  * bother to send GFF_ID.
 489                                                  */
 490                                                 ndlp = lpfc_findnode_did(vport,
 491                                                         Did);
 492                                                 if (ndlp &&
 493                                                     NLP_CHK_NODE_ACT(ndlp)
 494                                                     && (ndlp->nlp_type &
 495                                                      NLP_FCP_TARGET))
 496                                                         lpfc_setup_disc_node
 497                                                                 (vport, Did);
 498                                                 else if (lpfc_ns_cmd(vport,
 499                                                         SLI_CTNS_GFF_ID,
 500                                                         0, Did) == 0)
 501                                                         vport->num_disc_nodes++;
 502                                         }
 503                                         else {
 504                                                 lpfc_debugfs_disc_trc(vport,
 505                                                 LPFC_DISC_TRC_CT,
 506                                                 "Skip2 GID_FTrsp: "
 507                                                 "did:x%x flg:x%x cnt:%d",
 508                                                 Did, vport->fc_flag,
 509                                                 vport->fc_rscn_id_cnt);
 510
 511                                                 lpfc_printf_vlog(vport,
 512                                                         KERN_INFO,
 513                                                         LOG_DISCOVERY,
 514                                                         "0245 Skip x%x "
 515                                                         "NameServer Rsp Data: "
 516                                                         "x%x x%x\n",
 517                                                         Did, vport->fc_flag,
 518                                                         vport->fc_rscn_id_cnt);
 519                                         }
 520                                 }
 521                         }
 522                         if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY)))
 523                                 goto nsout1;
 524                         Cnt -= sizeof (uint32_t);
 525                 }
 526                 ctptr = NULL;
 527
 528         }
 529
 530 nsout1:
 531         list_del(&head);
 532         return 0;
 533 }
 534
 535 static void
 536 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 537                         struct lpfc_iocbq *rspiocb)
 538 {
 539         struct lpfc_vport *vport = cmdiocb->vport;
 540         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 541         IOCB_t *irsp;
 542         struct lpfc_dmabuf *bmp;
 543         struct lpfc_dmabuf *outp;
 544         struct lpfc_sli_ct_request *CTrsp;
 545         struct lpfc_nodelist *ndlp;
 546         int rc;
 547
 548         /* First save ndlp, before we overwrite it */
 549         ndlp = cmdiocb->context_un.ndlp;
 550
 551         /* we pass cmdiocb to state machine which needs rspiocb as well */
 552         cmdiocb->context_un.rsp_iocb = rspiocb;
 553
 554         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 555         bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
 556         irsp = &rspiocb->iocb;
 557
 558         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 559                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 560                 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 561
 562         /* Don't bother processing response if vport is being torn down. */
 563         if (vport->load_flag & FC_UNLOADING)
 564                 goto out;
 565
 566         if (lpfc_els_chk_latt(vport)) {
 567                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 568                                  "0216 Link event during NS query\n");
 569                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 570                 goto out;
 571         }
 572         if (lpfc_error_lost_link(irsp)) {
 573                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 574                                  "0226 NS query failed due to link event\n");
 575                 goto out;
 576         }
 577         if (irsp->ulpStatus) {
 578                 /* Check for retry */
 579                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 580                         if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
 581                             irsp->un.ulpWord[4] != IOERR_NO_RESOURCES)
 582                                 vport->fc_ns_retry++;
 583
 584                         /* CT command is being retried */
 585                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
 586                                          vport->fc_ns_retry, 0);
 587                         if (rc == 0)
 588                                 goto out;
 589                 }
 590                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 591                 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 592                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
 593                                  irsp->ulpStatus, vport->fc_ns_retry);
 594         } else {
 595                 /* Good status, continue checking */
 596                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 597                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 598                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 599                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 600                                          "0208 NameServer Rsp Data: x%x\n",
 601                                          vport->fc_flag);
 602                         lpfc_ns_rsp(vport, outp,
 603                                     (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
 604                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 605                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 606                         /* NameServer Rsp Error */
 607                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 608                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 609                                 lpfc_printf_vlog(vport, KERN_INFO,
 610                                         LOG_DISCOVERY,
 611                                         "0269 No NameServer Entries "
 612                                         "Data: x%x x%x x%x x%x\n",
 613                                         CTrsp->CommandResponse.bits.CmdRsp,
 614                                         (uint32_t) CTrsp->ReasonCode,
 615                                         (uint32_t) CTrsp->Explanation,
 616                                         vport->fc_flag);
 617
 618                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 619                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
 620                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 621                                 (uint32_t) CTrsp->ReasonCode,
 622                                 (uint32_t) CTrsp->Explanation);
 623                         } else {
 624                                 lpfc_printf_vlog(vport, KERN_INFO,
 625                                         LOG_DISCOVERY,
 626                                         "0240 NameServer Rsp Error "
 627                                         "Data: x%x x%x x%x x%x\n",
 628                                         CTrsp->CommandResponse.bits.CmdRsp,
 629                                         (uint32_t) CTrsp->ReasonCode,
 630                                         (uint32_t) CTrsp->Explanation,
 631                                         vport->fc_flag);
 632
 633                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 634                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
 635                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 636                                 (uint32_t) CTrsp->ReasonCode,
 637                                 (uint32_t) CTrsp->Explanation);
 638                         }
 639
 640
 641                 } else {
 642                         /* NameServer Rsp Error */
 643                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 644                                         "0241 NameServer Rsp Error "
 645                                         "Data: x%x x%x x%x x%x\n",
 646                                         CTrsp->CommandResponse.bits.CmdRsp,
 647                                         (uint32_t) CTrsp->ReasonCode,
 648                                         (uint32_t) CTrsp->Explanation,
 649                                         vport->fc_flag);
 650
 651                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 652                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
 653                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 654                                 (uint32_t) CTrsp->ReasonCode,
 655                                 (uint32_t) CTrsp->Explanation);
 656                 }
 657         }
 658         /* Link up / RSCN discovery */
 659         if (vport->num_disc_nodes == 0) {
 660                 /*
 661                  * The driver has cycled through all Nports in the RSCN payload.
 662                  * Complete the handling by cleaning up and marking the
 663                  * current driver state.
 664                  */
 665                 if (vport->port_state >= LPFC_DISC_AUTH) {
 666                         if (vport->fc_flag & FC_RSCN_MODE) {
 667                                 lpfc_els_flush_rscn(vport);
 668                                 spin_lock_irq(shost->host_lock);
 669                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 670                                 spin_unlock_irq(shost->host_lock);
 671                         }
 672                         else
 673                                 lpfc_els_flush_rscn(vport);
 674                 }
 675
 676                 lpfc_disc_start(vport);
 677         }
 678 out:
 679         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 680         lpfc_ct_free_iocb(phba, cmdiocb);
 681         return;
 682 }
 683
 684 static void
 685 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 686                         struct lpfc_iocbq *rspiocb)
 687 {
 688         struct lpfc_vport *vport = cmdiocb->vport;
 689         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 690         IOCB_t *irsp = &rspiocb->iocb;
 691         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 692         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 693         struct lpfc_sli_ct_request *CTrsp;
 694         int did, rc, retry;
 695         uint8_t fbits;
 696         struct lpfc_nodelist *ndlp;
 697
 698         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
 699         did = be32_to_cpu(did);
 700
 701         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 702                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
 703                 irsp->ulpStatus, irsp->un.ulpWord[4], did);
 704
 705         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 706                 /* Good status, continue checking */
 707                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 708                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
 709
 710                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 711                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 712                         if ((fbits & FC4_FEATURE_INIT) &&
 713                             !(fbits & FC4_FEATURE_TARGET)) {
 714                                 lpfc_printf_vlog(vport, KERN_INFO,
 715                                                  LOG_DISCOVERY,
 716                                                  "0270 Skip x%x GFF "
 717                                                  "NameServer Rsp Data: (init) "
 718                                                  "x%x x%x\n", did, fbits,
 719                                                  vport->fc_rscn_id_cnt);
 720                                 goto out;
 721                         }
 722                 }
 723         }
 724         else {
 725                 /* Check for retry */
 726                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
 727                         retry = 1;
 728                         if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
 729                                 switch (irsp->un.ulpWord[4]) {
 730                                 case IOERR_NO_RESOURCES:
 731                                         /* We don't increment the retry
 732                                          * count for this case.
 733                                          */
 734                                         break;
 735                                 case IOERR_LINK_DOWN:
 736                                 case IOERR_SLI_ABORTED:
 737                                 case IOERR_SLI_DOWN:
 738                                         retry = 0;
 739                                         break;
 740                                 default:
 741                                         cmdiocb->retry++;
 742                                 }
 743                         }
 744                         else
 745                                 cmdiocb->retry++;
 746
 747                         if (retry) {
 748                                 /* CT command is being retried */
 749                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 750                                          cmdiocb->retry, did);
 751                                 if (rc == 0) {
 752                                         /* success */
 753                                         lpfc_ct_free_iocb(phba, cmdiocb);
 754                                         return;
 755                                 }
 756                         }
 757                 }
 758                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 759                                  "0267 NameServer GFF Rsp "
 760                                  "x%x Error (%d %d) Data: x%x x%x\n",
 761                                  did, irsp->ulpStatus, irsp->un.ulpWord[4],
 762                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 763         }
 764
 765         /* This is a target port, unregistered port, or the GFF_ID failed */
 766         ndlp = lpfc_setup_disc_node(vport, did);
 767         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 768                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 769                                  "0242 Process x%x GFF "
 770                                  "NameServer Rsp Data: x%x x%x x%x\n",
 771                                  did, ndlp->nlp_flag, vport->fc_flag,
 772                                  vport->fc_rscn_id_cnt);
 773         } else {
 774                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 775                                  "0243 Skip x%x GFF "
 776                                  "NameServer Rsp Data: x%x x%x\n", did,
 777                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 778         }
 779 out:
 780         /* Link up / RSCN discovery */
 781         if (vport->num_disc_nodes)
 782                 vport->num_disc_nodes--;
 783         if (vport->num_disc_nodes == 0) {
 784                 /*
 785                  * The driver has cycled through all Nports in the RSCN payload.
 786                  * Complete the handling by cleaning up and marking the
 787                  * current driver state.
 788                  */
 789                 if (vport->port_state >= LPFC_DISC_AUTH) {
 790                         if (vport->fc_flag & FC_RSCN_MODE) {
 791                                 lpfc_els_flush_rscn(vport);
 792                                 spin_lock_irq(shost->host_lock);
 793                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 794                                 spin_unlock_irq(shost->host_lock);
 795                         }
 796                         else
 797                                 lpfc_els_flush_rscn(vport);
 798                 }
 799                 lpfc_disc_start(vport);
 800         }
 801         lpfc_ct_free_iocb(phba, cmdiocb);
 802         return;
 803 }
 804
 805
 806 static void
 807 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 808              struct lpfc_iocbq *rspiocb)
 809 {
 810         struct lpfc_vport *vport = cmdiocb->vport;
 811         struct lpfc_dmabuf *inp;
 812         struct lpfc_dmabuf *outp;
 813         IOCB_t *irsp;
 814         struct lpfc_sli_ct_request *CTrsp;
 815         struct lpfc_nodelist *ndlp;
 816         int cmdcode, rc;
 817         uint8_t retry;
 818         uint32_t latt;
 819
 820         /* First save ndlp, before we overwrite it */
 821         ndlp = cmdiocb->context_un.ndlp;
 822
 823         /* we pass cmdiocb to state machine which needs rspiocb as well */
 824         cmdiocb->context_un.rsp_iocb = rspiocb;
 825
 826         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 827         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 828         irsp = &rspiocb->iocb;
 829
 830         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
 831                                         CommandResponse.bits.CmdRsp);
 832         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 833
 834         latt = lpfc_els_chk_latt(vport);
 835
 836         /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
 837         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 838                          "0209 CT Request completes, latt %d, "
 839                          "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
 840                          latt, irsp->ulpStatus,
 841                          CTrsp->CommandResponse.bits.CmdRsp,
 842                          cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
 843
 844         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 845                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
 846                 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
 847
 848         if (irsp->ulpStatus) {
 849                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 850                                  "0268 NS cmd %x Error (%d %d)\n",
 851                                  cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
 852
 853                 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 854                         ((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) ||
 855                          (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED)))
 856                         goto out;
 857
 858                 retry = cmdiocb->retry;
 859                 if (retry >= LPFC_MAX_NS_RETRY)
 860                         goto out;
 861
 862                 retry++;
 863                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 864                                  "0216 Retrying NS cmd %x\n", cmdcode);
 865                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
 866                 if (rc == 0)
 867                         goto out;
 868         }
 869
 870 out:
 871         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 872         lpfc_ct_free_iocb(phba, cmdiocb);
 873         return;
 874 }
 875
 876 static void
 877 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 878                         struct lpfc_iocbq *rspiocb)
 879 {
 880         IOCB_t *irsp = &rspiocb->iocb;
 881         struct lpfc_vport *vport = cmdiocb->vport;
 882
 883         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 884                 struct lpfc_dmabuf *outp;
 885                 struct lpfc_sli_ct_request *CTrsp;
 886
 887                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 888                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 889                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 890                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 891                         vport->ct_flags |= FC_CT_RFT_ID;
 892         }
 893         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 894         return;
 895 }
 896
 897 static void
 898 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 899                         struct lpfc_iocbq *rspiocb)
 900 {
 901         IOCB_t *irsp = &rspiocb->iocb;
 902         struct lpfc_vport *vport = cmdiocb->vport;
 903
 904         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 905                 struct lpfc_dmabuf *outp;
 906                 struct lpfc_sli_ct_request *CTrsp;
 907
 908                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 909                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 910                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 911                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 912                         vport->ct_flags |= FC_CT_RNN_ID;
 913         }
 914         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 915         return;
 916 }
 917
 918 static void
 919 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 920                          struct lpfc_iocbq *rspiocb)
 921 {
 922         IOCB_t *irsp = &rspiocb->iocb;
 923         struct lpfc_vport *vport = cmdiocb->vport;
 924
 925         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 926                 struct lpfc_dmabuf *outp;
 927                 struct lpfc_sli_ct_request *CTrsp;
 928
 929                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 930                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 931                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 932                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 933                         vport->ct_flags |= FC_CT_RSPN_ID;
 934         }
 935         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 936         return;
 937 }
 938
 939 static void
 940 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 941                          struct lpfc_iocbq *rspiocb)
 942 {
 943         IOCB_t *irsp = &rspiocb->iocb;
 944         struct lpfc_vport *vport = cmdiocb->vport;
 945
 946         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 947                 struct lpfc_dmabuf *outp;
 948                 struct lpfc_sli_ct_request *CTrsp;
 949
 950                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 951                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 952                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 953                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 954                         vport->ct_flags |= FC_CT_RSNN_NN;
 955         }
 956         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 957         return;
 958 }
 959
 960 static void
 961 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 962  struct lpfc_iocbq *rspiocb)
 963 {
 964         struct lpfc_vport *vport = cmdiocb->vport;
 965
 966         /* even if it fails we will act as though it succeeded. */
 967         vport->ct_flags = 0;
 968         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 969         return;
 970 }
 971
 972 static void
 973 lpfc_cmpl_ct_cmd_rff_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_RFF_ID;
 988         }
 989         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 990         return;
 991 }
 992
 993 static int
 994 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
 995         size_t size)
 996 {
 997         int n;
 998         uint8_t *wwn = vport->phba->wwpn;
 999
1000         n = snprintf(symbol, size,
1001                      "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
1002                      wwn[0], wwn[1], wwn[2], wwn[3],
1003                      wwn[4], wwn[5], wwn[6], wwn[7]);
1004
1005         if (vport->port_type == LPFC_PHYSICAL_PORT)
1006                 return n;
1007
1008         if (n < size)
1009                 n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
1010
1011         if (n < size && vport->vname)
1012                 n += snprintf(symbol + n, size - n, " VName-%s", vport->vname);
1013         return n;
1014 }
1015
1016 int
1017 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1018         size_t size)
1019 {
1020         char fwrev[16];
1021         int n;
1022
1023         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1024
1025         n = snprintf(symbol, size, "Emulex %s FV%s DV%s",
1026                 vport->phba->ModelName, fwrev, lpfc_release_version);
1027         return n;
1028 }
1029
1030 /*
1031  * lpfc_ns_cmd
1032  * Description:
1033  *    Issue Cmd to NameServer
1034  *       SLI_CTNS_GID_FT
1035  *       LI_CTNS_RFT_ID
1036  */
1037 int
1038 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1039             uint8_t retry, uint32_t context)
1040 {
1041         struct lpfc_nodelist * ndlp;
1042         struct lpfc_hba *phba = vport->phba;
1043         struct lpfc_dmabuf *mp, *bmp;
1044         struct lpfc_sli_ct_request *CtReq;
1045         struct ulp_bde64 *bpl;
1046         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1047                       struct lpfc_iocbq *) = NULL;
1048         uint32_t rsp_size = 1024;
1049         size_t   size;
1050         int rc = 0;
1051
1052         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1053         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1054             || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1055                 rc=1;
1056                 goto ns_cmd_exit;
1057         }
1058
1059         /* fill in BDEs for command */
1060         /* Allocate buffer for command payload */
1061         mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1062         if (!mp) {
1063                 rc=2;
1064                 goto ns_cmd_exit;
1065         }
1066
1067         INIT_LIST_HEAD(&mp->list);
1068         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1069         if (!mp->virt) {
1070                 rc=3;
1071                 goto ns_cmd_free_mp;
1072         }
1073
1074         /* Allocate buffer for Buffer ptr list */
1075         bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1076         if (!bmp) {
1077                 rc=4;
1078                 goto ns_cmd_free_mpvirt;
1079         }
1080
1081         INIT_LIST_HEAD(&bmp->list);
1082         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1083         if (!bmp->virt) {
1084                 rc=5;
1085                 goto ns_cmd_free_bmp;
1086         }
1087
1088         /* NameServer Req */
1089         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1090                          "0236 NameServer Req Data: x%x x%x x%x\n",
1091                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
1092
1093         bpl = (struct ulp_bde64 *) bmp->virt;
1094         memset(bpl, 0, sizeof(struct ulp_bde64));
1095         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1096         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1097         bpl->tus.f.bdeFlags = 0;
1098         if (cmdcode == SLI_CTNS_GID_FT)
1099                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1100         else if (cmdcode == SLI_CTNS_GFF_ID)
1101                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1102         else if (cmdcode == SLI_CTNS_RFT_ID)
1103                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1104         else if (cmdcode == SLI_CTNS_RNN_ID)
1105                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1106         else if (cmdcode == SLI_CTNS_RSPN_ID)
1107                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1108         else if (cmdcode == SLI_CTNS_RSNN_NN)
1109                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1110         else if (cmdcode == SLI_CTNS_DA_ID)
1111                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1112         else if (cmdcode == SLI_CTNS_RFF_ID)
1113                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1114         else
1115                 bpl->tus.f.bdeSize = 0;
1116         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1117
1118         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1119         memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
1120         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1121         CtReq->RevisionId.bits.InId = 0;
1122         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1123         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1124         CtReq->CommandResponse.bits.Size = 0;
1125         switch (cmdcode) {
1126         case SLI_CTNS_GID_FT:
1127                 CtReq->CommandResponse.bits.CmdRsp =
1128                     be16_to_cpu(SLI_CTNS_GID_FT);
1129                 CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
1130                 if (vport->port_state < LPFC_NS_QRY)
1131                         vport->port_state = LPFC_NS_QRY;
1132                 lpfc_set_disctmo(vport);
1133                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1134                 rsp_size = FC_MAX_NS_RSP;
1135                 break;
1136
1137         case SLI_CTNS_GFF_ID:
1138                 CtReq->CommandResponse.bits.CmdRsp =
1139                         be16_to_cpu(SLI_CTNS_GFF_ID);
1140                 CtReq->un.gff.PortId = cpu_to_be32(context);
1141                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
1142                 break;
1143
1144         case SLI_CTNS_RFT_ID:
1145                 vport->ct_flags &= ~FC_CT_RFT_ID;
1146                 CtReq->CommandResponse.bits.CmdRsp =
1147                     be16_to_cpu(SLI_CTNS_RFT_ID);
1148                 CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1149                 CtReq->un.rft.fcpReg = 1;
1150                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
1151                 break;
1152
1153         case SLI_CTNS_RNN_ID:
1154                 vport->ct_flags &= ~FC_CT_RNN_ID;
1155                 CtReq->CommandResponse.bits.CmdRsp =
1156                     be16_to_cpu(SLI_CTNS_RNN_ID);
1157                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1158                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1159                        sizeof (struct lpfc_name));
1160                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1161                 break;
1162
1163         case SLI_CTNS_RSPN_ID:
1164                 vport->ct_flags &= ~FC_CT_RSPN_ID;
1165                 CtReq->CommandResponse.bits.CmdRsp =
1166                     be16_to_cpu(SLI_CTNS_RSPN_ID);
1167                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1168                 size = sizeof(CtReq->un.rspn.symbname);
1169                 CtReq->un.rspn.len =
1170                         lpfc_vport_symbolic_port_name(vport,
1171                         CtReq->un.rspn.symbname, size);
1172                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1173                 break;
1174         case SLI_CTNS_RSNN_NN:
1175                 vport->ct_flags &= ~FC_CT_RSNN_NN;
1176                 CtReq->CommandResponse.bits.CmdRsp =
1177                     be16_to_cpu(SLI_CTNS_RSNN_NN);
1178                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1179                        sizeof (struct lpfc_name));
1180                 size = sizeof(CtReq->un.rsnn.symbname);
1181                 CtReq->un.rsnn.len =
1182                         lpfc_vport_symbolic_node_name(vport,
1183                         CtReq->un.rsnn.symbname, size);
1184                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1185                 break;
1186         case SLI_CTNS_DA_ID:
1187                 /* Implement DA_ID Nameserver request */
1188                 CtReq->CommandResponse.bits.CmdRsp =
1189                         be16_to_cpu(SLI_CTNS_DA_ID);
1190                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1191                 cmpl = lpfc_cmpl_ct_cmd_da_id;
1192                 break;
1193         case SLI_CTNS_RFF_ID:
1194                 vport->ct_flags &= ~FC_CT_RFF_ID;
1195                 CtReq->CommandResponse.bits.CmdRsp =
1196                     be16_to_cpu(SLI_CTNS_RFF_ID);
1197                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);;
1198                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1199                 CtReq->un.rff.type_code = FC_FCP_DATA;
1200                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
1201                 break;
1202         }
1203         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1204          * to hold ndlp reference for the corresponding callback function.
1205          */
1206         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1207                 /* On success, The cmpl function will free the buffers */
1208                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1209                         "Issue CT cmd:    cmd:x%x did:x%x",
1210                         cmdcode, ndlp->nlp_DID, 0);
1211                 return 0;
1212         }
1213         rc=6;
1214
1215         /* Decrement ndlp reference count to release ndlp reference held
1216          * for the failed command's callback function.
1217          */
1218         lpfc_nlp_put(ndlp);
1219
1220         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1221 ns_cmd_free_bmp:
1222         kfree(bmp);
1223 ns_cmd_free_mpvirt:
1224         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1225 ns_cmd_free_mp:
1226         kfree(mp);
1227 ns_cmd_exit:
1228         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1229                          "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1230                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1231         return 1;
1232 }
1233
1234 static void
1235 lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1236                       struct lpfc_iocbq * rspiocb)
1237 {
1238         struct lpfc_dmabuf *inp = cmdiocb->context1;
1239         struct lpfc_dmabuf *outp = cmdiocb->context2;
1240         struct lpfc_sli_ct_request *CTrsp = outp->virt;
1241         struct lpfc_sli_ct_request *CTcmd = inp->virt;
1242         struct lpfc_nodelist *ndlp;
1243         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1244         uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1245         struct lpfc_vport *vport = cmdiocb->vport;
1246         IOCB_t *irsp = &rspiocb->iocb;
1247         uint32_t latt;
1248
1249         latt = lpfc_els_chk_latt(vport);
1250
1251         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1252                 "FDMI cmpl:       status:x%x/x%x latt:%d",
1253                 irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1254
1255         if (latt || irsp->ulpStatus) {
1256                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1257                                  "0229 FDMI cmd %04x failed, latt = %d "
1258                                  "ulpStatus: x%x, rid x%x\n",
1259                                  be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1260                                  irsp->un.ulpWord[4]);
1261                 lpfc_ct_free_iocb(phba, cmdiocb);
1262                 return;
1263         }
1264
1265         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1266         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1267                 goto fail_out;
1268
1269         if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1270                 /* FDMI rsp failed */
1271                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1272                                  "0220 FDMI rsp failed Data: x%x\n",
1273                                  be16_to_cpu(fdmi_cmd));
1274         }
1275
1276         switch (be16_to_cpu(fdmi_cmd)) {
1277         case SLI_MGMT_RHBA:
1278                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA);
1279                 break;
1280
1281         case SLI_MGMT_RPA:
1282                 break;
1283
1284         case SLI_MGMT_DHBA:
1285                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT);
1286                 break;
1287
1288         case SLI_MGMT_DPRT:
1289                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1290                 break;
1291         }
1292
1293 fail_out:
1294         lpfc_ct_free_iocb(phba, cmdiocb);
1295         return;
1296 }
1297
1298 int
1299 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1300 {
1301         struct lpfc_hba *phba = vport->phba;
1302         struct lpfc_dmabuf *mp, *bmp;
1303         struct lpfc_sli_ct_request *CtReq;
1304         struct ulp_bde64 *bpl;
1305         uint32_t size;
1306         REG_HBA *rh;
1307         PORT_ENTRY *pe;
1308         REG_PORT_ATTRIBUTE *pab;
1309         ATTRIBUTE_BLOCK *ab;
1310         ATTRIBUTE_ENTRY *ae;
1311         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1312                       struct lpfc_iocbq *);
1313
1314
1315         /* fill in BDEs for command */
1316         /* Allocate buffer for command payload */
1317         mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1318         if (!mp)
1319                 goto fdmi_cmd_exit;
1320
1321         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
1322         if (!mp->virt)
1323                 goto fdmi_cmd_free_mp;
1324
1325         /* Allocate buffer for Buffer ptr list */
1326         bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1327         if (!bmp)
1328                 goto fdmi_cmd_free_mpvirt;
1329
1330         bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
1331         if (!bmp->virt)
1332                 goto fdmi_cmd_free_bmp;
1333
1334         INIT_LIST_HEAD(&mp->list);
1335         INIT_LIST_HEAD(&bmp->list);
1336
1337         /* FDMI request */
1338         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1339                          "0218 FDMI Request Data: x%x x%x x%x\n",
1340                          vport->fc_flag, vport->port_state, cmdcode);
1341         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1342
1343         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1344         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1345         CtReq->RevisionId.bits.InId = 0;
1346
1347         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
1348         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
1349         size = 0;
1350
1351         switch (cmdcode) {
1352         case SLI_MGMT_RHBA:
1353                 {
1354                         lpfc_vpd_t *vp = &phba->vpd;
1355                         uint32_t i, j, incr;
1356                         int len;
1357
1358                         CtReq->CommandResponse.bits.CmdRsp =
1359                             be16_to_cpu(SLI_MGMT_RHBA);
1360                         CtReq->CommandResponse.bits.Size = 0;
1361                         rh = (REG_HBA *) & CtReq->un.PortID;
1362                         memcpy(&rh->hi.PortName, &vport->fc_sparam.portName,
1363                                sizeof (struct lpfc_name));
1364                         /* One entry (port) per adapter */
1365                         rh->rpl.EntryCnt = be32_to_cpu(1);
1366                         memcpy(&rh->rpl.pe, &vport->fc_sparam.portName,
1367                                sizeof (struct lpfc_name));
1368
1369                         /* point to the HBA attribute block */
1370                         size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
1371                         ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
1372                         ab->EntryCnt = 0;
1373
1374                         /* Point to the beginning of the first HBA attribute
1375                            entry */
1376                         /* #1 HBA attribute entry */
1377                         size += FOURBYTES;
1378                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1379                         ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);
1380                         ae->ad.bits.AttrLen =  be16_to_cpu(FOURBYTES
1381                                                 + sizeof (struct lpfc_name));
1382                         memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1383                                sizeof (struct lpfc_name));
1384                         ab->EntryCnt++;
1385                         size += FOURBYTES + sizeof (struct lpfc_name);
1386
1387                         /* #2 HBA attribute entry */
1388                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1389                         ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER);
1390                         strcpy(ae->un.Manufacturer, "Emulex Corporation");
1391                         len = strlen(ae->un.Manufacturer);
1392                         len += (len & 3) ? (4 - (len & 3)) : 4;
1393                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1394                         ab->EntryCnt++;
1395                         size += FOURBYTES + len;
1396
1397                         /* #3 HBA attribute entry */
1398                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1399                         ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER);
1400                         strcpy(ae->un.SerialNumber, phba->SerialNumber);
1401                         len = strlen(ae->un.SerialNumber);
1402                         len += (len & 3) ? (4 - (len & 3)) : 4;
1403                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1404                         ab->EntryCnt++;
1405                         size += FOURBYTES + len;
1406
1407                         /* #4 HBA attribute entry */
1408                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1409                         ae->ad.bits.AttrType = be16_to_cpu(MODEL);
1410                         strcpy(ae->un.Model, phba->ModelName);
1411                         len = strlen(ae->un.Model);
1412                         len += (len & 3) ? (4 - (len & 3)) : 4;
1413                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1414                         ab->EntryCnt++;
1415                         size += FOURBYTES + len;
1416
1417                         /* #5 HBA attribute entry */
1418                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1419                         ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION);
1420                         strcpy(ae->un.ModelDescription, phba->ModelDesc);
1421                         len = strlen(ae->un.ModelDescription);
1422                         len += (len & 3) ? (4 - (len & 3)) : 4;
1423                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1424                         ab->EntryCnt++;
1425                         size += FOURBYTES + len;
1426
1427                         /* #6 HBA attribute entry */
1428                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1429                         ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION);
1430                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8);
1431                         /* Convert JEDEC ID to ascii for hardware version */
1432                         incr = vp->rev.biuRev;
1433                         for (i = 0; i < 8; i++) {
1434                                 j = (incr & 0xf);
1435                                 if (j <= 9)
1436                                         ae->un.HardwareVersion[7 - i] =
1437                                             (char)((uint8_t) 0x30 +
1438                                                    (uint8_t) j);
1439                                 else
1440                                         ae->un.HardwareVersion[7 - i] =
1441                                             (char)((uint8_t) 0x61 +
1442                                                    (uint8_t) (j - 10));
1443                                 incr = (incr >> 4);
1444                         }
1445                         ab->EntryCnt++;
1446                         size += FOURBYTES + 8;
1447
1448                         /* #7 HBA attribute entry */
1449                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1450                         ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION);
1451                         strcpy(ae->un.DriverVersion, lpfc_release_version);
1452                         len = strlen(ae->un.DriverVersion);
1453                         len += (len & 3) ? (4 - (len & 3)) : 4;
1454                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1455                         ab->EntryCnt++;
1456                         size += FOURBYTES + len;
1457
1458                         /* #8 HBA attribute entry */
1459                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1460                         ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION);
1461                         strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion);
1462                         len = strlen(ae->un.OptionROMVersion);
1463                         len += (len & 3) ? (4 - (len & 3)) : 4;
1464                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1465                         ab->EntryCnt++;
1466                         size += FOURBYTES + len;
1467
1468                         /* #9 HBA attribute entry */
1469                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1470                         ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION);
1471                         lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
1472                                 1);
1473                         len = strlen(ae->un.FirmwareVersion);
1474                         len += (len & 3) ? (4 - (len & 3)) : 4;
1475                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1476                         ab->EntryCnt++;
1477                         size += FOURBYTES + len;
1478
1479                         /* #10 HBA attribute entry */
1480                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1481                         ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
1482                         sprintf(ae->un.OsNameVersion, "%s %s %s",
1483                                 init_utsname()->sysname,
1484                                 init_utsname()->release,
1485                                 init_utsname()->version);
1486                         len = strlen(ae->un.OsNameVersion);
1487                         len += (len & 3) ? (4 - (len & 3)) : 4;
1488                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1489                         ab->EntryCnt++;
1490                         size += FOURBYTES + len;
1491
1492                         /* #11 HBA attribute entry */
1493                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1494                         ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN);
1495                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1496                         ae->un.MaxCTPayloadLen = (65 * 4096);
1497                         ab->EntryCnt++;
1498                         size += FOURBYTES + 4;
1499
1500                         ab->EntryCnt = be32_to_cpu(ab->EntryCnt);
1501                         /* Total size */
1502                         size = GID_REQUEST_SZ - 4 + size;
1503                 }
1504                 break;
1505
1506         case SLI_MGMT_RPA:
1507                 {
1508                         lpfc_vpd_t *vp;
1509                         struct serv_parm *hsp;
1510                         int len;
1511
1512                         vp = &phba->vpd;
1513
1514                         CtReq->CommandResponse.bits.CmdRsp =
1515                             be16_to_cpu(SLI_MGMT_RPA);
1516                         CtReq->CommandResponse.bits.Size = 0;
1517                         pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID;
1518                         size = sizeof (struct lpfc_name) + FOURBYTES;
1519                         memcpy((uint8_t *) & pab->PortName,
1520                                (uint8_t *) & vport->fc_sparam.portName,
1521                                sizeof (struct lpfc_name));
1522                         pab->ab.EntryCnt = 0;
1523
1524                         /* #1 Port attribute entry */
1525                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1526                         ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES);
1527                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32);
1528                         ae->un.SupportFC4Types[2] = 1;
1529                         ae->un.SupportFC4Types[7] = 1;
1530                         pab->ab.EntryCnt++;
1531                         size += FOURBYTES + 32;
1532
1533                         /* #2 Port attribute entry */
1534                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1535                         ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED);
1536                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1537
1538                         ae->un.SupportSpeed = 0;
1539                         if (phba->lmt & LMT_10Gb)
1540                                 ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT;
1541                         if (phba->lmt & LMT_8Gb)
1542                                 ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
1543                         if (phba->lmt & LMT_4Gb)
1544                                 ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
1545                         if (phba->lmt & LMT_2Gb)
1546                                 ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
1547                         if (phba->lmt & LMT_1Gb)
1548                                 ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT;
1549
1550                         pab->ab.EntryCnt++;
1551                         size += FOURBYTES + 4;
1552
1553                         /* #3 Port attribute entry */
1554                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1555                         ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED);
1556                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1557                         switch(phba->fc_linkspeed) {
1558                                 case LA_1GHZ_LINK:
1559                                         ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1560                                 break;
1561                                 case LA_2GHZ_LINK:
1562                                         ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1563                                 break;
1564                                 case LA_4GHZ_LINK:
1565                                         ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1566                                 break;
1567                                 case LA_8GHZ_LINK:
1568                                         ae->un.PortSpeed = HBA_PORTSPEED_8GBIT;
1569                                 break;
1570                                 default:
1571                                         ae->un.PortSpeed =
1572                                                 HBA_PORTSPEED_UNKNOWN;
1573                                 break;
1574                         }
1575                         pab->ab.EntryCnt++;
1576                         size += FOURBYTES + 4;
1577
1578                         /* #4 Port attribute entry */
1579                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1580                         ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE);
1581                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1582                         hsp = (struct serv_parm *) & vport->fc_sparam;
1583                         ae->un.MaxFrameSize =
1584                             (((uint32_t) hsp->cmn.
1585                               bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn.
1586                             bbRcvSizeLsb;
1587                         pab->ab.EntryCnt++;
1588                         size += FOURBYTES + 4;
1589
1590                         /* #5 Port attribute entry */
1591                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1592                         ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME);
1593                         strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME);
1594                         len = strlen((char *)ae->un.OsDeviceName);
1595                         len += (len & 3) ? (4 - (len & 3)) : 4;
1596                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1597                         pab->ab.EntryCnt++;
1598                         size += FOURBYTES + len;
1599
1600                         if (vport->cfg_fdmi_on == 2) {
1601                                 /* #6 Port attribute entry */
1602                                 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab +
1603                                                           size);
1604                                 ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME);
1605                                 sprintf(ae->un.HostName, "%s",
1606                                         init_utsname()->nodename);
1607                                 len = strlen(ae->un.HostName);
1608                                 len += (len & 3) ? (4 - (len & 3)) : 4;
1609                                 ae->ad.bits.AttrLen =
1610                                     be16_to_cpu(FOURBYTES + len);
1611                                 pab->ab.EntryCnt++;
1612                                 size += FOURBYTES + len;
1613                         }
1614
1615                         pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt);
1616                         /* Total size */
1617                         size = GID_REQUEST_SZ - 4 + size;
1618                 }
1619                 break;
1620
1621         case SLI_MGMT_DHBA:
1622                 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA);
1623                 CtReq->CommandResponse.bits.Size = 0;
1624                 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1625                 memcpy((uint8_t *) & pe->PortName,
1626                        (uint8_t *) & vport->fc_sparam.portName,
1627                        sizeof (struct lpfc_name));
1628                 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1629                 break;
1630
1631         case SLI_MGMT_DPRT:
1632                 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT);
1633                 CtReq->CommandResponse.bits.Size = 0;
1634                 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1635                 memcpy((uint8_t *) & pe->PortName,
1636                        (uint8_t *) & vport->fc_sparam.portName,
1637                        sizeof (struct lpfc_name));
1638                 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1639                 break;
1640         }
1641
1642         bpl = (struct ulp_bde64 *) bmp->virt;
1643         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1644         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1645         bpl->tus.f.bdeFlags = 0;
1646         bpl->tus.f.bdeSize = size;
1647         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1648
1649         cmpl = lpfc_cmpl_ct_cmd_fdmi;
1650
1651         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1652          * to hold ndlp reference for the corresponding callback function.
1653          */
1654         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0))
1655                 return 0;
1656
1657         /* Decrement ndlp reference count to release ndlp reference held
1658          * for the failed command's callback function.
1659          */
1660         lpfc_nlp_put(ndlp);
1661
1662         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1663 fdmi_cmd_free_bmp:
1664         kfree(bmp);
1665 fdmi_cmd_free_mpvirt:
1666         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1667 fdmi_cmd_free_mp:
1668         kfree(mp);
1669 fdmi_cmd_exit:
1670         /* Issue FDMI request failed */
1671         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1672                          "0244 Issue FDMI request failed Data: x%x\n",
1673                          cmdcode);
1674         return 1;
1675 }
1676
1677 void
1678 lpfc_fdmi_tmo(unsigned long ptr)
1679 {
1680         struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
1681         struct lpfc_hba   *phba = vport->phba;
1682         unsigned long iflag;
1683
1684         spin_lock_irqsave(&vport->work_port_lock, iflag);
1685         if (!(vport->work_port_events & WORKER_FDMI_TMO)) {
1686                 vport->work_port_events |= WORKER_FDMI_TMO;
1687                 spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1688
1689                 spin_lock_irqsave(&phba->hbalock, iflag);
1690                 if (phba->work_wait)
1691                         lpfc_worker_wake_up(phba);
1692                 spin_unlock_irqrestore(&phba->hbalock, iflag);
1693         }
1694         else
1695                 spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1696 }
1697
1698 void
1699 lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
1700 {
1701         struct lpfc_nodelist *ndlp;
1702
1703         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1704         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1705                 if (init_utsname()->nodename[0] != '\0')
1706                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
1707                 else
1708                         mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60);
1709         }
1710         return;
1711 }
1712
1713 void
1714 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
1715 {
1716         struct lpfc_sli *psli = &phba->sli;
1717         lpfc_vpd_t *vp = &phba->vpd;
1718         uint32_t b1, b2, b3, b4, i, rev;
1719         char c;
1720         uint32_t *ptr, str[4];
1721         uint8_t *fwname;
1722
1723         if (vp->rev.rBit) {
1724                 if (psli->sli_flag & LPFC_SLI2_ACTIVE)
1725                         rev = vp->rev.sli2FwRev;
1726                 else
1727                         rev = vp->rev.sli1FwRev;
1728
1729                 b1 = (rev & 0x0000f000) >> 12;
1730                 b2 = (rev & 0x00000f00) >> 8;
1731                 b3 = (rev & 0x000000c0) >> 6;
1732                 b4 = (rev & 0x00000030) >> 4;
1733
1734                 switch (b4) {
1735                 case 0:
1736                         c = 'N';
1737                         break;
1738                 case 1:
1739                         c = 'A';
1740                         break;
1741                 case 2:
1742                         c = 'B';
1743                         break;
1744                 default:
1745                         c = 0;
1746                         break;
1747                 }
1748                 b4 = (rev & 0x0000000f);
1749
1750                 if (psli->sli_flag & LPFC_SLI2_ACTIVE)
1751                         fwname = vp->rev.sli2FwName;
1752                 else
1753                         fwname = vp->rev.sli1FwName;
1754
1755                 for (i = 0; i < 16; i++)
1756                         if (fwname[i] == 0x20)
1757                                 fwname[i] = 0;
1758
1759                 ptr = (uint32_t*)fwname;
1760
1761                 for (i = 0; i < 3; i++)
1762                         str[i] = be32_to_cpu(*ptr++);
1763
1764                 if (c == 0) {
1765                         if (flag)
1766                                 sprintf(fwrevision, "%d.%d%d (%s)",
1767                                         b1, b2, b3, (char *)str);
1768                         else
1769                                 sprintf(fwrevision, "%d.%d%d", b1,
1770                                         b2, b3);
1771                 } else {
1772                         if (flag)
1773                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
1774                                         b1, b2, b3, c,
1775                                         b4, (char *)str);
1776                         else
1777                                 sprintf(fwrevision, "%d.%d%d%c%d",
1778                                         b1, b2, b3, c, b4);
1779                 }
1780         } else {
1781                 rev = vp->rev.smFwRev;
1782
1783                 b1 = (rev & 0xff000000) >> 24;
1784                 b2 = (rev & 0x00f00000) >> 20;
1785                 b3 = (rev & 0x000f0000) >> 16;
1786                 c  = (rev & 0x0000ff00) >> 8;
1787                 b4 = (rev & 0x000000ff);
1788
1789                 if (flag)
1790                         sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1791                                 b2, b3, c, b4);
1792                 else
1793                         sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1794                                 b2, b3, c, b4);
1795         }
1796         return;
1797 }