kernel/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) 2004-2015 Emulex.  All rights reserved.           *
   5  * EMULEX and SLI are trademarks of Emulex.                        *
   6  * www.emulex.com                                                  *
   7  *                                                                 *
   8  * This program is free software; you can redistribute it and/or   *
   9  * modify it under the terms of version 2 of the GNU General       *
  10  * Public License as published by the Free Software Foundation.    *
  11  * This program is distributed in the hope that it will be useful. *
  12  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  13  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  14  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  15  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  16  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  17  * more details, a copy of which can be found in the file COPYING  *
  18  * included with this package.                                     *
  19  *******************************************************************/
  20
  21 /*
  22  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
  23  */
  24
  25 #include <linux/blkdev.h>
  26 #include <linux/pci.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/slab.h>
  29 #include <linux/utsname.h>
  30
  31 #include <scsi/scsi.h>
  32 #include <scsi/scsi_device.h>
  33 #include <scsi/scsi_host.h>
  34 #include <scsi/scsi_transport_fc.h>
  35 #include <scsi/fc/fc_fs.h>
  36
  37 #include "lpfc_hw4.h"
  38 #include "lpfc_hw.h"
  39 #include "lpfc_sli.h"
  40 #include "lpfc_sli4.h"
  41 #include "lpfc_nl.h"
  42 #include "lpfc_disc.h"
  43 #include "lpfc_scsi.h"
  44 #include "lpfc.h"
  45 #include "lpfc_logmsg.h"
  46 #include "lpfc_crtn.h"
  47 #include "lpfc_version.h"
  48 #include "lpfc_vport.h"
  49 #include "lpfc_debugfs.h"
  50
  51 /* FDMI Port Speed definitions */
  52 #define HBA_PORTSPEED_1GBIT             0x0001  /* 1 GBit/sec */
  53 #define HBA_PORTSPEED_2GBIT             0x0002  /* 2 GBit/sec */
  54 #define HBA_PORTSPEED_4GBIT             0x0008  /* 4 GBit/sec */
  55 #define HBA_PORTSPEED_10GBIT            0x0004  /* 10 GBit/sec */
  56 #define HBA_PORTSPEED_8GBIT             0x0010  /* 8 GBit/sec */
  57 #define HBA_PORTSPEED_16GBIT            0x0020  /* 16 GBit/sec */
  58 #define HBA_PORTSPEED_32GBIT            0x0040  /* 32 GBit/sec */
  59 #define HBA_PORTSPEED_UNKNOWN           0x0800  /* Unknown */
  60
  61 #define FOURBYTES       4
  62
  63
  64 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
  65
  66 static void
  67 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  68                           struct lpfc_dmabuf *mp, uint32_t size)
  69 {
  70         if (!mp) {
  71                 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  72                                 "0146 Ignoring unsolicited CT No HBQ "
  73                                 "status = x%x\n",
  74                                 piocbq->iocb.ulpStatus);
  75         }
  76         lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  77                         "0145 Ignoring unsolicted CT HBQ Size:%d "
  78                         "status = x%x\n",
  79                         size, piocbq->iocb.ulpStatus);
  80 }
  81
  82 static void
  83 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  84                      struct lpfc_dmabuf *mp, uint32_t size)
  85 {
  86         lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
  87 }
  88
  89 void
  90 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
  91                     struct lpfc_iocbq *piocbq)
  92 {
  93         struct lpfc_dmabuf *mp = NULL;
  94         IOCB_t *icmd = &piocbq->iocb;
  95         int i;
  96         struct lpfc_iocbq *iocbq;
  97         dma_addr_t paddr;
  98         uint32_t size;
  99         struct list_head head;
 100         struct lpfc_dmabuf *bdeBuf;
 101
 102         if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
 103                 return;
 104
 105         if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
 106                 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
 107         } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 108                    ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
 109                    IOERR_RCV_BUFFER_WAITING)) {
 110                 /* Not enough posted buffers; Try posting more buffers */
 111                 phba->fc_stat.NoRcvBuf++;
 112                 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 113                         lpfc_post_buffer(phba, pring, 2);
 114                 return;
 115         }
 116
 117         /* If there are no BDEs associated with this IOCB,
 118          * there is nothing to do.
 119          */
 120         if (icmd->ulpBdeCount == 0)
 121                 return;
 122
 123         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 124                 INIT_LIST_HEAD(&head);
 125                 list_add_tail(&head, &piocbq->list);
 126                 list_for_each_entry(iocbq, &head, list) {
 127                         icmd = &iocbq->iocb;
 128                         if (icmd->ulpBdeCount == 0)
 129                                 continue;
 130                         bdeBuf = iocbq->context2;
 131                         iocbq->context2 = NULL;
 132                         size  = icmd->un.cont64[0].tus.f.bdeSize;
 133                         lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
 134                         lpfc_in_buf_free(phba, bdeBuf);
 135                         if (icmd->ulpBdeCount == 2) {
 136                                 bdeBuf = iocbq->context3;
 137                                 iocbq->context3 = NULL;
 138                                 size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
 139                                 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
 140                                                      size);
 141                                 lpfc_in_buf_free(phba, bdeBuf);
 142                         }
 143                 }
 144                 list_del(&head);
 145         } else {
 146                 INIT_LIST_HEAD(&head);
 147                 list_add_tail(&head, &piocbq->list);
 148                 list_for_each_entry(iocbq, &head, list) {
 149                         icmd = &iocbq->iocb;
 150                         if (icmd->ulpBdeCount == 0)
 151                                 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 152                         for (i = 0; i < icmd->ulpBdeCount; i++) {
 153                                 paddr = getPaddr(icmd->un.cont64[i].addrHigh,
 154                                                  icmd->un.cont64[i].addrLow);
 155                                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
 156                                                               paddr);
 157                                 size = icmd->un.cont64[i].tus.f.bdeSize;
 158                                 lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 159                                 lpfc_in_buf_free(phba, mp);
 160                         }
 161                         lpfc_post_buffer(phba, pring, i);
 162                 }
 163                 list_del(&head);
 164         }
 165 }
 166
 167 /**
 168  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
 169  * @phba: Pointer to HBA context object.
 170  * @dmabuf: pointer to a dmabuf that describes the FC sequence
 171  *
 172  * This function serves as the upper level protocol abort handler for CT
 173  * protocol.
 174  *
 175  * Return 1 if abort has been handled, 0 otherwise.
 176  **/
 177 int
 178 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
 179 {
 180         int handled;
 181
 182         /* CT upper level goes through BSG */
 183         handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
 184
 185         return handled;
 186 }
 187
 188 static void
 189 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 190 {
 191         struct lpfc_dmabuf *mlast, *next_mlast;
 192
 193         list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 194                 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 195                 list_del(&mlast->list);
 196                 kfree(mlast);
 197         }
 198         lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 199         kfree(mlist);
 200         return;
 201 }
 202
 203 static struct lpfc_dmabuf *
 204 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 205                   uint32_t size, int *entries)
 206 {
 207         struct lpfc_dmabuf *mlist = NULL;
 208         struct lpfc_dmabuf *mp;
 209         int cnt, i = 0;
 210
 211         /* We get chunks of FCELSSIZE */
 212         cnt = size > FCELSSIZE ? FCELSSIZE: size;
 213
 214         while (size) {
 215                 /* Allocate buffer for rsp payload */
 216                 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 217                 if (!mp) {
 218                         if (mlist)
 219                                 lpfc_free_ct_rsp(phba, mlist);
 220                         return NULL;
 221                 }
 222
 223                 INIT_LIST_HEAD(&mp->list);
 224
 225                 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 226                     cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 227                         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 228                 else
 229                         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 230
 231                 if (!mp->virt) {
 232                         kfree(mp);
 233                         if (mlist)
 234                                 lpfc_free_ct_rsp(phba, mlist);
 235                         return NULL;
 236                 }
 237
 238                 /* Queue it to a linked list */
 239                 if (!mlist)
 240                         mlist = mp;
 241                 else
 242                         list_add_tail(&mp->list, &mlist->list);
 243
 244                 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 245                 /* build buffer ptr list for IOCB */
 246                 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 247                 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 248                 bpl->tus.f.bdeSize = (uint16_t) cnt;
 249                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
 250                 bpl++;
 251
 252                 i++;
 253                 size -= cnt;
 254         }
 255
 256         *entries = i;
 257         return mlist;
 258 }
 259
 260 int
 261 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 262 {
 263         struct lpfc_dmabuf *buf_ptr;
 264
 265         if (ctiocb->context_un.ndlp) {
 266                 lpfc_nlp_put(ctiocb->context_un.ndlp);
 267                 ctiocb->context_un.ndlp = NULL;
 268         }
 269         if (ctiocb->context1) {
 270                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
 271                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 272                 kfree(buf_ptr);
 273                 ctiocb->context1 = NULL;
 274         }
 275         if (ctiocb->context2) {
 276                 lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
 277                 ctiocb->context2 = NULL;
 278         }
 279
 280         if (ctiocb->context3) {
 281                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
 282                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 283                 kfree(buf_ptr);
 284                 ctiocb->context3 = NULL;
 285         }
 286         lpfc_sli_release_iocbq(phba, ctiocb);
 287         return 0;
 288 }
 289
 290 static int
 291 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 292              struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 293              void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 294                      struct lpfc_iocbq *),
 295              struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
 296              uint32_t tmo, uint8_t retry)
 297 {
 298         struct lpfc_hba  *phba = vport->phba;
 299         IOCB_t *icmd;
 300         struct lpfc_iocbq *geniocb;
 301         int rc;
 302
 303         /* Allocate buffer for  command iocb */
 304         geniocb = lpfc_sli_get_iocbq(phba);
 305
 306         if (geniocb == NULL)
 307                 return 1;
 308
 309         icmd = &geniocb->iocb;
 310         icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 311         icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 312         icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 313         icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 314         icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
 315
 316         if (usr_flg)
 317                 geniocb->context3 = NULL;
 318         else
 319                 geniocb->context3 = (uint8_t *) bmp;
 320
 321         /* Save for completion so we can release these resources */
 322         geniocb->context1 = (uint8_t *) inp;
 323         geniocb->context2 = (uint8_t *) outp;
 324         geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
 325
 326         /* Fill in payload, bp points to frame payload */
 327         icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
 328
 329         /* Fill in rest of iocb */
 330         icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 331         icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 332         icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
 333         icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 334
 335         if (!tmo) {
 336                  /* FC spec states we need 3 * ratov for CT requests */
 337                 tmo = (3 * phba->fc_ratov);
 338         }
 339         icmd->ulpTimeout = tmo;
 340         icmd->ulpBdeCount = 1;
 341         icmd->ulpLe = 1;
 342         icmd->ulpClass = CLASS3;
 343         icmd->ulpContext = ndlp->nlp_rpi;
 344         if (phba->sli_rev == LPFC_SLI_REV4)
 345                 icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 346
 347         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 348                 /* For GEN_REQUEST64_CR, use the RPI */
 349                 icmd->ulpCt_h = 0;
 350                 icmd->ulpCt_l = 0;
 351         }
 352
 353         /* Issue GEN REQ IOCB for NPORT <did> */
 354         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 355                          "0119 Issue GEN REQ IOCB to NPORT x%x "
 356                          "Data: x%x x%x\n",
 357                          ndlp->nlp_DID, icmd->ulpIoTag,
 358                          vport->port_state);
 359         geniocb->iocb_cmpl = cmpl;
 360         geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 361         geniocb->vport = vport;
 362         geniocb->retry = retry;
 363         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
 364
 365         if (rc == IOCB_ERROR) {
 366                 lpfc_sli_release_iocbq(phba, geniocb);
 367                 return 1;
 368         }
 369
 370         return 0;
 371 }
 372
 373 static int
 374 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 375             struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 376             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 377                           struct lpfc_iocbq *),
 378             uint32_t rsp_size, uint8_t retry)
 379 {
 380         struct lpfc_hba  *phba = vport->phba;
 381         struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 382         struct lpfc_dmabuf *outmp;
 383         int cnt = 0, status;
 384         int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 385                 CommandResponse.bits.CmdRsp;
 386
 387         bpl++;                  /* Skip past ct request */
 388
 389         /* Put buffer(s) for ct rsp in bpl */
 390         outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 391         if (!outmp)
 392                 return -ENOMEM;
 393         /*
 394          * Form the CT IOCB.  The total number of BDEs in this IOCB
 395          * is the single command plus response count from
 396          * lpfc_alloc_ct_rsp.
 397          */
 398         cnt += 1;
 399         status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
 400                               cnt, 0, retry);
 401         if (status) {
 402                 lpfc_free_ct_rsp(phba, outmp);
 403                 return -ENOMEM;
 404         }
 405         return 0;
 406 }
 407
 408 struct lpfc_vport *
 409 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 410         struct lpfc_vport *vport_curr;
 411         unsigned long flags;
 412
 413         spin_lock_irqsave(&phba->hbalock, flags);
 414         list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 415                 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 416                         spin_unlock_irqrestore(&phba->hbalock, flags);
 417                         return vport_curr;
 418                 }
 419         }
 420         spin_unlock_irqrestore(&phba->hbalock, flags);
 421         return NULL;
 422 }
 423
 424 static int
 425 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
 426 {
 427         struct lpfc_hba  *phba = vport->phba;
 428         struct lpfc_sli_ct_request *Response =
 429                 (struct lpfc_sli_ct_request *) mp->virt;
 430         struct lpfc_nodelist *ndlp = NULL;
 431         struct lpfc_dmabuf *mlast, *next_mp;
 432         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 433         uint32_t Did, CTentry;
 434         int Cnt;
 435         struct list_head head;
 436
 437         lpfc_set_disctmo(vport);
 438         vport->num_disc_nodes = 0;
 439         vport->fc_ns_retry = 0;
 440
 441
 442         list_add_tail(&head, &mp->list);
 443         list_for_each_entry_safe(mp, next_mp, &head, list) {
 444                 mlast = mp;
 445
 446                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 447
 448                 Size -= Cnt;
 449
 450                 if (!ctptr) {
 451                         ctptr = (uint32_t *) mlast->virt;
 452                 } else
 453                         Cnt -= 16;      /* subtract length of CT header */
 454
 455                 /* Loop through entire NameServer list of DIDs */
 456                 while (Cnt >= sizeof (uint32_t)) {
 457                         /* Get next DID from NameServer List */
 458                         CTentry = *ctptr++;
 459                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 460
 461                         ndlp = NULL;
 462
 463                         /*
 464                          * Check for rscn processing or not
 465                          * To conserve rpi's, filter out addresses for other
 466                          * vports on the same physical HBAs.
 467                          */
 468                         if ((Did != vport->fc_myDID) &&
 469                             ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
 470                              vport->cfg_peer_port_login)) {
 471                                 if ((vport->port_type != LPFC_NPIV_PORT) ||
 472                                     (!(vport->ct_flags & FC_CT_RFF_ID)) ||
 473                                     (!vport->cfg_restrict_login)) {
 474                                         ndlp = lpfc_setup_disc_node(vport, Did);
 475                                         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 476                                                 lpfc_debugfs_disc_trc(vport,
 477                                                 LPFC_DISC_TRC_CT,
 478                                                 "Parse GID_FTrsp: "
 479                                                 "did:x%x flg:x%x x%x",
 480                                                 Did, ndlp->nlp_flag,
 481                                                 vport->fc_flag);
 482
 483                                                 lpfc_printf_vlog(vport,
 484                                                         KERN_INFO,
 485                                                         LOG_DISCOVERY,
 486                                                         "0238 Process "
 487                                                         "x%x NameServer Rsp"
 488                                                         "Data: x%x x%x x%x\n",
 489                                                         Did, ndlp->nlp_flag,
 490                                                         vport->fc_flag,
 491                                                         vport->fc_rscn_id_cnt);
 492                                         } else {
 493                                                 lpfc_debugfs_disc_trc(vport,
 494                                                 LPFC_DISC_TRC_CT,
 495                                                 "Skip1 GID_FTrsp: "
 496                                                 "did:x%x flg:x%x cnt:%d",
 497                                                 Did, vport->fc_flag,
 498                                                 vport->fc_rscn_id_cnt);
 499
 500                                                 lpfc_printf_vlog(vport,
 501                                                         KERN_INFO,
 502                                                         LOG_DISCOVERY,
 503                                                         "0239 Skip x%x "
 504                                                         "NameServer Rsp Data: "
 505                                                         "x%x x%x\n",
 506                                                         Did, vport->fc_flag,
 507                                                         vport->fc_rscn_id_cnt);
 508                                         }
 509
 510                                 } else {
 511                                         if (!(vport->fc_flag & FC_RSCN_MODE) ||
 512                                         (lpfc_rscn_payload_check(vport, Did))) {
 513                                                 lpfc_debugfs_disc_trc(vport,
 514                                                 LPFC_DISC_TRC_CT,
 515                                                 "Query GID_FTrsp: "
 516                                                 "did:x%x flg:x%x cnt:%d",
 517                                                 Did, vport->fc_flag,
 518                                                 vport->fc_rscn_id_cnt);
 519
 520                                                 /* This NPortID was previously
 521                                                  * a FCP target, * Don't even
 522                                                  * bother to send GFF_ID.
 523                                                  */
 524                                                 ndlp = lpfc_findnode_did(vport,
 525                                                         Did);
 526                                                 if (ndlp &&
 527                                                     NLP_CHK_NODE_ACT(ndlp)
 528                                                     && (ndlp->nlp_type &
 529                                                      NLP_FCP_TARGET))
 530                                                         lpfc_setup_disc_node
 531                                                                 (vport, Did);
 532                                                 else if (lpfc_ns_cmd(vport,
 533                                                         SLI_CTNS_GFF_ID,
 534                                                         0, Did) == 0)
 535                                                         vport->num_disc_nodes++;
 536                                                 else
 537                                                         lpfc_setup_disc_node
 538                                                                 (vport, Did);
 539                                         }
 540                                         else {
 541                                                 lpfc_debugfs_disc_trc(vport,
 542                                                 LPFC_DISC_TRC_CT,
 543                                                 "Skip2 GID_FTrsp: "
 544                                                 "did:x%x flg:x%x cnt:%d",
 545                                                 Did, vport->fc_flag,
 546                                                 vport->fc_rscn_id_cnt);
 547
 548                                                 lpfc_printf_vlog(vport,
 549                                                         KERN_INFO,
 550                                                         LOG_DISCOVERY,
 551                                                         "0245 Skip x%x "
 552                                                         "NameServer Rsp Data: "
 553                                                         "x%x x%x\n",
 554                                                         Did, vport->fc_flag,
 555                                                         vport->fc_rscn_id_cnt);
 556                                         }
 557                                 }
 558                         }
 559                         if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
 560                                 goto nsout1;
 561                         Cnt -= sizeof (uint32_t);
 562                 }
 563                 ctptr = NULL;
 564
 565         }
 566
 567 nsout1:
 568         list_del(&head);
 569         return 0;
 570 }
 571
 572 static void
 573 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 574                         struct lpfc_iocbq *rspiocb)
 575 {
 576         struct lpfc_vport *vport = cmdiocb->vport;
 577         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 578         IOCB_t *irsp;
 579         struct lpfc_dmabuf *outp;
 580         struct lpfc_sli_ct_request *CTrsp;
 581         struct lpfc_nodelist *ndlp;
 582         int rc;
 583
 584         /* First save ndlp, before we overwrite it */
 585         ndlp = cmdiocb->context_un.ndlp;
 586
 587         /* we pass cmdiocb to state machine which needs rspiocb as well */
 588         cmdiocb->context_un.rsp_iocb = rspiocb;
 589
 590         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 591         irsp = &rspiocb->iocb;
 592
 593         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 594                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 595                 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 596
 597         /* Don't bother processing response if vport is being torn down. */
 598         if (vport->load_flag & FC_UNLOADING) {
 599                 if (vport->fc_flag & FC_RSCN_MODE)
 600                         lpfc_els_flush_rscn(vport);
 601                 goto out;
 602         }
 603
 604         if (lpfc_els_chk_latt(vport)) {
 605                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 606                                  "0216 Link event during NS query\n");
 607                 if (vport->fc_flag & FC_RSCN_MODE)
 608                         lpfc_els_flush_rscn(vport);
 609                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 610                 goto out;
 611         }
 612         if (lpfc_error_lost_link(irsp)) {
 613                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 614                                  "0226 NS query failed due to link event\n");
 615                 if (vport->fc_flag & FC_RSCN_MODE)
 616                         lpfc_els_flush_rscn(vport);
 617                 goto out;
 618         }
 619         if (irsp->ulpStatus) {
 620                 /* Check for retry */
 621                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 622                         if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
 623                             (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
 624                             IOERR_NO_RESOURCES)
 625                                 vport->fc_ns_retry++;
 626
 627                         /* CT command is being retried */
 628                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
 629                                          vport->fc_ns_retry, 0);
 630                         if (rc == 0)
 631                                 goto out;
 632                 }
 633                 if (vport->fc_flag & FC_RSCN_MODE)
 634                         lpfc_els_flush_rscn(vport);
 635                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 636                 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 637                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
 638                                  irsp->ulpStatus, vport->fc_ns_retry);
 639         } else {
 640                 /* Good status, continue checking */
 641                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 642                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 643                     cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
 644                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 645                                          "0208 NameServer Rsp Data: x%x\n",
 646                                          vport->fc_flag);
 647                         lpfc_ns_rsp(vport, outp,
 648                                     (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
 649                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 650                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 651                         /* NameServer Rsp Error */
 652                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 653                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 654                                 lpfc_printf_vlog(vport, KERN_INFO,
 655                                         LOG_DISCOVERY,
 656                                         "0269 No NameServer Entries "
 657                                         "Data: x%x x%x x%x x%x\n",
 658                                         CTrsp->CommandResponse.bits.CmdRsp,
 659                                         (uint32_t) CTrsp->ReasonCode,
 660                                         (uint32_t) CTrsp->Explanation,
 661                                         vport->fc_flag);
 662
 663                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 664                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
 665                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 666                                 (uint32_t) CTrsp->ReasonCode,
 667                                 (uint32_t) CTrsp->Explanation);
 668                         } else {
 669                                 lpfc_printf_vlog(vport, KERN_INFO,
 670                                         LOG_DISCOVERY,
 671                                         "0240 NameServer Rsp Error "
 672                                         "Data: x%x x%x x%x x%x\n",
 673                                         CTrsp->CommandResponse.bits.CmdRsp,
 674                                         (uint32_t) CTrsp->ReasonCode,
 675                                         (uint32_t) CTrsp->Explanation,
 676                                         vport->fc_flag);
 677
 678                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 679                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
 680                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 681                                 (uint32_t) CTrsp->ReasonCode,
 682                                 (uint32_t) CTrsp->Explanation);
 683                         }
 684
 685
 686                 } else {
 687                         /* NameServer Rsp Error */
 688                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 689                                         "0241 NameServer Rsp Error "
 690                                         "Data: x%x x%x x%x x%x\n",
 691                                         CTrsp->CommandResponse.bits.CmdRsp,
 692                                         (uint32_t) CTrsp->ReasonCode,
 693                                         (uint32_t) CTrsp->Explanation,
 694                                         vport->fc_flag);
 695
 696                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 697                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
 698                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 699                                 (uint32_t) CTrsp->ReasonCode,
 700                                 (uint32_t) CTrsp->Explanation);
 701                 }
 702         }
 703         /* Link up / RSCN discovery */
 704         if (vport->num_disc_nodes == 0) {
 705                 /*
 706                  * The driver has cycled through all Nports in the RSCN payload.
 707                  * Complete the handling by cleaning up and marking the
 708                  * current driver state.
 709                  */
 710                 if (vport->port_state >= LPFC_DISC_AUTH) {
 711                         if (vport->fc_flag & FC_RSCN_MODE) {
 712                                 lpfc_els_flush_rscn(vport);
 713                                 spin_lock_irq(shost->host_lock);
 714                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 715                                 spin_unlock_irq(shost->host_lock);
 716                         }
 717                         else
 718                                 lpfc_els_flush_rscn(vport);
 719                 }
 720
 721                 lpfc_disc_start(vport);
 722         }
 723 out:
 724         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 725         lpfc_ct_free_iocb(phba, cmdiocb);
 726         return;
 727 }
 728
 729 static void
 730 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 731                         struct lpfc_iocbq *rspiocb)
 732 {
 733         struct lpfc_vport *vport = cmdiocb->vport;
 734         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 735         IOCB_t *irsp = &rspiocb->iocb;
 736         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 737         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 738         struct lpfc_sli_ct_request *CTrsp;
 739         int did, rc, retry;
 740         uint8_t fbits;
 741         struct lpfc_nodelist *ndlp;
 742
 743         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
 744         did = be32_to_cpu(did);
 745
 746         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 747                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
 748                 irsp->ulpStatus, irsp->un.ulpWord[4], did);
 749
 750         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 751                 /* Good status, continue checking */
 752                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 753                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
 754
 755                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 756                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 757                         if ((fbits & FC4_FEATURE_INIT) &&
 758                             !(fbits & FC4_FEATURE_TARGET)) {
 759                                 lpfc_printf_vlog(vport, KERN_INFO,
 760                                                  LOG_DISCOVERY,
 761                                                  "0270 Skip x%x GFF "
 762                                                  "NameServer Rsp Data: (init) "
 763                                                  "x%x x%x\n", did, fbits,
 764                                                  vport->fc_rscn_id_cnt);
 765                                 goto out;
 766                         }
 767                 }
 768         }
 769         else {
 770                 /* Check for retry */
 771                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
 772                         retry = 1;
 773                         if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
 774                                 switch ((irsp->un.ulpWord[4] &
 775                                         IOERR_PARAM_MASK)) {
 776
 777                                 case IOERR_NO_RESOURCES:
 778                                         /* We don't increment the retry
 779                                          * count for this case.
 780                                          */
 781                                         break;
 782                                 case IOERR_LINK_DOWN:
 783                                 case IOERR_SLI_ABORTED:
 784                                 case IOERR_SLI_DOWN:
 785                                         retry = 0;
 786                                         break;
 787                                 default:
 788                                         cmdiocb->retry++;
 789                                 }
 790                         }
 791                         else
 792                                 cmdiocb->retry++;
 793
 794                         if (retry) {
 795                                 /* CT command is being retried */
 796                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 797                                          cmdiocb->retry, did);
 798                                 if (rc == 0) {
 799                                         /* success */
 800                                         lpfc_ct_free_iocb(phba, cmdiocb);
 801                                         return;
 802                                 }
 803                         }
 804                 }
 805                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 806                                  "0267 NameServer GFF Rsp "
 807                                  "x%x Error (%d %d) Data: x%x x%x\n",
 808                                  did, irsp->ulpStatus, irsp->un.ulpWord[4],
 809                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 810         }
 811
 812         /* This is a target port, unregistered port, or the GFF_ID failed */
 813         ndlp = lpfc_setup_disc_node(vport, did);
 814         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 815                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 816                                  "0242 Process x%x GFF "
 817                                  "NameServer Rsp Data: x%x x%x x%x\n",
 818                                  did, ndlp->nlp_flag, vport->fc_flag,
 819                                  vport->fc_rscn_id_cnt);
 820         } else {
 821                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 822                                  "0243 Skip x%x GFF "
 823                                  "NameServer Rsp Data: x%x x%x\n", did,
 824                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 825         }
 826 out:
 827         /* Link up / RSCN discovery */
 828         if (vport->num_disc_nodes)
 829                 vport->num_disc_nodes--;
 830         if (vport->num_disc_nodes == 0) {
 831                 /*
 832                  * The driver has cycled through all Nports in the RSCN payload.
 833                  * Complete the handling by cleaning up and marking the
 834                  * current driver state.
 835                  */
 836                 if (vport->port_state >= LPFC_DISC_AUTH) {
 837                         if (vport->fc_flag & FC_RSCN_MODE) {
 838                                 lpfc_els_flush_rscn(vport);
 839                                 spin_lock_irq(shost->host_lock);
 840                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 841                                 spin_unlock_irq(shost->host_lock);
 842                         }
 843                         else
 844                                 lpfc_els_flush_rscn(vport);
 845                 }
 846                 lpfc_disc_start(vport);
 847         }
 848         lpfc_ct_free_iocb(phba, cmdiocb);
 849         return;
 850 }
 851
 852
 853 static void
 854 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 855              struct lpfc_iocbq *rspiocb)
 856 {
 857         struct lpfc_vport *vport = cmdiocb->vport;
 858         struct lpfc_dmabuf *inp;
 859         struct lpfc_dmabuf *outp;
 860         IOCB_t *irsp;
 861         struct lpfc_sli_ct_request *CTrsp;
 862         struct lpfc_nodelist *ndlp;
 863         int cmdcode, rc;
 864         uint8_t retry;
 865         uint32_t latt;
 866
 867         /* First save ndlp, before we overwrite it */
 868         ndlp = cmdiocb->context_un.ndlp;
 869
 870         /* we pass cmdiocb to state machine which needs rspiocb as well */
 871         cmdiocb->context_un.rsp_iocb = rspiocb;
 872
 873         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 874         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 875         irsp = &rspiocb->iocb;
 876
 877         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
 878                                         CommandResponse.bits.CmdRsp);
 879         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 880
 881         latt = lpfc_els_chk_latt(vport);
 882
 883         /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
 884         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 885                          "0209 CT Request completes, latt %d, "
 886                          "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
 887                          latt, irsp->ulpStatus,
 888                          CTrsp->CommandResponse.bits.CmdRsp,
 889                          cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
 890
 891         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 892                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
 893                 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
 894
 895         if (irsp->ulpStatus) {
 896                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 897                                  "0268 NS cmd x%x Error (x%x x%x)\n",
 898                                  cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
 899
 900                 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 901                         (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
 902                           IOERR_SLI_DOWN) ||
 903                          ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
 904                           IOERR_SLI_ABORTED)))
 905                         goto out;
 906
 907                 retry = cmdiocb->retry;
 908                 if (retry >= LPFC_MAX_NS_RETRY)
 909                         goto out;
 910
 911                 retry++;
 912                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 913                                  "0250 Retrying NS cmd %x\n", cmdcode);
 914                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
 915                 if (rc == 0)
 916                         goto out;
 917         }
 918
 919 out:
 920         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 921         lpfc_ct_free_iocb(phba, cmdiocb);
 922         return;
 923 }
 924
 925 static void
 926 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 927                         struct lpfc_iocbq *rspiocb)
 928 {
 929         IOCB_t *irsp = &rspiocb->iocb;
 930         struct lpfc_vport *vport = cmdiocb->vport;
 931
 932         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 933                 struct lpfc_dmabuf *outp;
 934                 struct lpfc_sli_ct_request *CTrsp;
 935
 936                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 937                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 938                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 939                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 940                         vport->ct_flags |= FC_CT_RFT_ID;
 941         }
 942         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 943         return;
 944 }
 945
 946 static void
 947 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 948                         struct lpfc_iocbq *rspiocb)
 949 {
 950         IOCB_t *irsp = &rspiocb->iocb;
 951         struct lpfc_vport *vport = cmdiocb->vport;
 952
 953         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 954                 struct lpfc_dmabuf *outp;
 955                 struct lpfc_sli_ct_request *CTrsp;
 956
 957                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 958                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 959                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 960                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 961                         vport->ct_flags |= FC_CT_RNN_ID;
 962         }
 963         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 964         return;
 965 }
 966
 967 static void
 968 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 969                          struct lpfc_iocbq *rspiocb)
 970 {
 971         IOCB_t *irsp = &rspiocb->iocb;
 972         struct lpfc_vport *vport = cmdiocb->vport;
 973
 974         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 975                 struct lpfc_dmabuf *outp;
 976                 struct lpfc_sli_ct_request *CTrsp;
 977
 978                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 979                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 980                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 981                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 982                         vport->ct_flags |= FC_CT_RSPN_ID;
 983         }
 984         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 985         return;
 986 }
 987
 988 static void
 989 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 990                          struct lpfc_iocbq *rspiocb)
 991 {
 992         IOCB_t *irsp = &rspiocb->iocb;
 993         struct lpfc_vport *vport = cmdiocb->vport;
 994
 995         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 996                 struct lpfc_dmabuf *outp;
 997                 struct lpfc_sli_ct_request *CTrsp;
 998
 999                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1000                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1001                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1002                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1003                         vport->ct_flags |= FC_CT_RSNN_NN;
1004         }
1005         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1006         return;
1007 }
1008
1009 static void
1010 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1011  struct lpfc_iocbq *rspiocb)
1012 {
1013         struct lpfc_vport *vport = cmdiocb->vport;
1014
1015         /* even if it fails we will act as though it succeeded. */
1016         vport->ct_flags = 0;
1017         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1018         return;
1019 }
1020
1021 static void
1022 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1023                         struct lpfc_iocbq *rspiocb)
1024 {
1025         IOCB_t *irsp = &rspiocb->iocb;
1026         struct lpfc_vport *vport = cmdiocb->vport;
1027
1028         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1029                 struct lpfc_dmabuf *outp;
1030                 struct lpfc_sli_ct_request *CTrsp;
1031
1032                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1033                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1034                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1035                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1036                         vport->ct_flags |= FC_CT_RFF_ID;
1037         }
1038         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1039         return;
1040 }
1041
1042 int
1043 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1044         size_t size)
1045 {
1046         int n;
1047         uint8_t *wwn = vport->phba->wwpn;
1048
1049         n = snprintf(symbol, size,
1050                      "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
1051                      wwn[0], wwn[1], wwn[2], wwn[3],
1052                      wwn[4], wwn[5], wwn[6], wwn[7]);
1053
1054         if (vport->port_type == LPFC_PHYSICAL_PORT)
1055                 return n;
1056
1057         if (n < size)
1058                 n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
1059
1060         if (n < size &&
1061             strlen(vport->fc_vport->symbolic_name))
1062                 n += snprintf(symbol + n, size - n, " VName-%s",
1063                               vport->fc_vport->symbolic_name);
1064         return n;
1065 }
1066
1067 int
1068 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1069         size_t size)
1070 {
1071         char fwrev[FW_REV_STR_SIZE];
1072         int n;
1073
1074         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1075
1076         n = snprintf(symbol, size, "Emulex %s", vport->phba->ModelName);
1077
1078         if (size < n)
1079                 return n;
1080         n += snprintf(symbol + n, size - n, " FV%s", fwrev);
1081
1082         if (size < n)
1083                 return n;
1084         n += snprintf(symbol + n, size - n, " DV%s", lpfc_release_version);
1085
1086         if (size < n)
1087                 return n;
1088         n += snprintf(symbol + n, size - n, " HN:%s", init_utsname()->nodename);
1089
1090         /* Note :- OS name is "Linux" */
1091         if (size < n)
1092                 return n;
1093         n += snprintf(symbol + n, size - n, " OS:%s", init_utsname()->sysname);
1094
1095         return n;
1096 }
1097
1098 static uint32_t
1099 lpfc_find_map_node(struct lpfc_vport *vport)
1100 {
1101         struct lpfc_nodelist *ndlp, *next_ndlp;
1102         struct Scsi_Host  *shost;
1103         uint32_t cnt = 0;
1104
1105         shost = lpfc_shost_from_vport(vport);
1106         spin_lock_irq(shost->host_lock);
1107         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1108                 if (ndlp->nlp_type & NLP_FABRIC)
1109                         continue;
1110                 if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1111                     (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1112                         cnt++;
1113         }
1114         spin_unlock_irq(shost->host_lock);
1115         return cnt;
1116 }
1117
1118 /*
1119  * lpfc_ns_cmd
1120  * Description:
1121  *    Issue Cmd to NameServer
1122  *       SLI_CTNS_GID_FT
1123  *       LI_CTNS_RFT_ID
1124  */
1125 int
1126 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1127             uint8_t retry, uint32_t context)
1128 {
1129         struct lpfc_nodelist * ndlp;
1130         struct lpfc_hba *phba = vport->phba;
1131         struct lpfc_dmabuf *mp, *bmp;
1132         struct lpfc_sli_ct_request *CtReq;
1133         struct ulp_bde64 *bpl;
1134         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1135                       struct lpfc_iocbq *) = NULL;
1136         uint32_t rsp_size = 1024;
1137         size_t   size;
1138         int rc = 0;
1139
1140         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1141         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1142             || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1143                 rc=1;
1144                 goto ns_cmd_exit;
1145         }
1146
1147         /* fill in BDEs for command */
1148         /* Allocate buffer for command payload */
1149         mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1150         if (!mp) {
1151                 rc=2;
1152                 goto ns_cmd_exit;
1153         }
1154
1155         INIT_LIST_HEAD(&mp->list);
1156         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1157         if (!mp->virt) {
1158                 rc=3;
1159                 goto ns_cmd_free_mp;
1160         }
1161
1162         /* Allocate buffer for Buffer ptr list */
1163         bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1164         if (!bmp) {
1165                 rc=4;
1166                 goto ns_cmd_free_mpvirt;
1167         }
1168
1169         INIT_LIST_HEAD(&bmp->list);
1170         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1171         if (!bmp->virt) {
1172                 rc=5;
1173                 goto ns_cmd_free_bmp;
1174         }
1175
1176         /* NameServer Req */
1177         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1178                          "0236 NameServer Req Data: x%x x%x x%x\n",
1179                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
1180
1181         bpl = (struct ulp_bde64 *) bmp->virt;
1182         memset(bpl, 0, sizeof(struct ulp_bde64));
1183         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1184         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1185         bpl->tus.f.bdeFlags = 0;
1186         if (cmdcode == SLI_CTNS_GID_FT)
1187                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1188         else if (cmdcode == SLI_CTNS_GFF_ID)
1189                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1190         else if (cmdcode == SLI_CTNS_RFT_ID)
1191                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1192         else if (cmdcode == SLI_CTNS_RNN_ID)
1193                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1194         else if (cmdcode == SLI_CTNS_RSPN_ID)
1195                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1196         else if (cmdcode == SLI_CTNS_RSNN_NN)
1197                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1198         else if (cmdcode == SLI_CTNS_DA_ID)
1199                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1200         else if (cmdcode == SLI_CTNS_RFF_ID)
1201                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1202         else
1203                 bpl->tus.f.bdeSize = 0;
1204         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1205
1206         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1207         memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
1208         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1209         CtReq->RevisionId.bits.InId = 0;
1210         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1211         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1212         CtReq->CommandResponse.bits.Size = 0;
1213         switch (cmdcode) {
1214         case SLI_CTNS_GID_FT:
1215                 CtReq->CommandResponse.bits.CmdRsp =
1216                     cpu_to_be16(SLI_CTNS_GID_FT);
1217                 CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
1218                 if (vport->port_state < LPFC_NS_QRY)
1219                         vport->port_state = LPFC_NS_QRY;
1220                 lpfc_set_disctmo(vport);
1221                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1222                 rsp_size = FC_MAX_NS_RSP;
1223                 break;
1224
1225         case SLI_CTNS_GFF_ID:
1226                 CtReq->CommandResponse.bits.CmdRsp =
1227                         cpu_to_be16(SLI_CTNS_GFF_ID);
1228                 CtReq->un.gff.PortId = cpu_to_be32(context);
1229                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
1230                 break;
1231
1232         case SLI_CTNS_RFT_ID:
1233                 vport->ct_flags &= ~FC_CT_RFT_ID;
1234                 CtReq->CommandResponse.bits.CmdRsp =
1235                     cpu_to_be16(SLI_CTNS_RFT_ID);
1236                 CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1237                 CtReq->un.rft.fcpReg = 1;
1238                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
1239                 break;
1240
1241         case SLI_CTNS_RNN_ID:
1242                 vport->ct_flags &= ~FC_CT_RNN_ID;
1243                 CtReq->CommandResponse.bits.CmdRsp =
1244                     cpu_to_be16(SLI_CTNS_RNN_ID);
1245                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1246                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1247                        sizeof (struct lpfc_name));
1248                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1249                 break;
1250
1251         case SLI_CTNS_RSPN_ID:
1252                 vport->ct_flags &= ~FC_CT_RSPN_ID;
1253                 CtReq->CommandResponse.bits.CmdRsp =
1254                     cpu_to_be16(SLI_CTNS_RSPN_ID);
1255                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1256                 size = sizeof(CtReq->un.rspn.symbname);
1257                 CtReq->un.rspn.len =
1258                         lpfc_vport_symbolic_port_name(vport,
1259                         CtReq->un.rspn.symbname, size);
1260                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1261                 break;
1262         case SLI_CTNS_RSNN_NN:
1263                 vport->ct_flags &= ~FC_CT_RSNN_NN;
1264                 CtReq->CommandResponse.bits.CmdRsp =
1265                     cpu_to_be16(SLI_CTNS_RSNN_NN);
1266                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1267                        sizeof (struct lpfc_name));
1268                 size = sizeof(CtReq->un.rsnn.symbname);
1269                 CtReq->un.rsnn.len =
1270                         lpfc_vport_symbolic_node_name(vport,
1271                         CtReq->un.rsnn.symbname, size);
1272                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1273                 break;
1274         case SLI_CTNS_DA_ID:
1275                 /* Implement DA_ID Nameserver request */
1276                 CtReq->CommandResponse.bits.CmdRsp =
1277                         cpu_to_be16(SLI_CTNS_DA_ID);
1278                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1279                 cmpl = lpfc_cmpl_ct_cmd_da_id;
1280                 break;
1281         case SLI_CTNS_RFF_ID:
1282                 vport->ct_flags &= ~FC_CT_RFF_ID;
1283                 CtReq->CommandResponse.bits.CmdRsp =
1284                     cpu_to_be16(SLI_CTNS_RFF_ID);
1285                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1286                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1287                 CtReq->un.rff.type_code = FC_TYPE_FCP;
1288                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
1289                 break;
1290         }
1291         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1292          * to hold ndlp reference for the corresponding callback function.
1293          */
1294         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1295                 /* On success, The cmpl function will free the buffers */
1296                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1297                         "Issue CT cmd:    cmd:x%x did:x%x",
1298                         cmdcode, ndlp->nlp_DID, 0);
1299                 return 0;
1300         }
1301         rc=6;
1302
1303         /* Decrement ndlp reference count to release ndlp reference held
1304          * for the failed command's callback function.
1305          */
1306         lpfc_nlp_put(ndlp);
1307
1308         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1309 ns_cmd_free_bmp:
1310         kfree(bmp);
1311 ns_cmd_free_mpvirt:
1312         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1313 ns_cmd_free_mp:
1314         kfree(mp);
1315 ns_cmd_exit:
1316         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1317                          "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1318                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1319         return 1;
1320 }
1321
1322 static void
1323 lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1324                       struct lpfc_iocbq * rspiocb)
1325 {
1326         struct lpfc_dmabuf *inp = cmdiocb->context1;
1327         struct lpfc_dmabuf *outp = cmdiocb->context2;
1328         struct lpfc_sli_ct_request *CTrsp = outp->virt;
1329         struct lpfc_sli_ct_request *CTcmd = inp->virt;
1330         struct lpfc_nodelist *ndlp;
1331         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1332         uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1333         struct lpfc_vport *vport = cmdiocb->vport;
1334         IOCB_t *irsp = &rspiocb->iocb;
1335         uint32_t latt;
1336
1337         latt = lpfc_els_chk_latt(vport);
1338         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1339                 "FDMI cmpl:       status:x%x/x%x latt:%d",
1340                 irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1341
1342         if (latt || irsp->ulpStatus) {
1343                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1344                                  "0229 FDMI cmd %04x failed, latt = %d "
1345                                  "ulpStatus: x%x, rid x%x\n",
1346                                  be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1347                                  irsp->un.ulpWord[4]);
1348                 goto fail_out;
1349         }
1350
1351         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1352         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1353                 goto fail_out;
1354
1355         if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
1356                 /* FDMI rsp failed */
1357                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1358                                  "0220 FDMI rsp failed Data: x%x\n",
1359                                  be16_to_cpu(fdmi_cmd));
1360         }
1361
1362 fail_out:
1363         lpfc_ct_free_iocb(phba, cmdiocb);
1364 }
1365
1366 static void
1367 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1368                        struct lpfc_iocbq *rspiocb)
1369 {
1370         struct lpfc_vport *vport = cmdiocb->vport;
1371         struct lpfc_dmabuf *inp = cmdiocb->context1;
1372         struct lpfc_sli_ct_request *CTcmd = inp->virt;
1373         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1374         struct lpfc_nodelist *ndlp;
1375
1376         lpfc_cmpl_ct_cmd_fdmi(phba, cmdiocb, rspiocb);
1377
1378         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1379         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1380                 return;
1381
1382         /*
1383          * Need to cycle thru FDMI registration for discovery
1384          * DHBA -> DPRT -> RHBA -> RPA
1385          */
1386         switch (be16_to_cpu(fdmi_cmd)) {
1387         case SLI_MGMT_RHBA:
1388                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA);
1389                 break;
1390
1391         case SLI_MGMT_DHBA:
1392                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT);
1393                 break;
1394
1395         case SLI_MGMT_DPRT:
1396                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1397                 break;
1398         }
1399 }
1400
1401
1402 int
1403 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1404 {
1405         struct lpfc_hba *phba = vport->phba;
1406         struct lpfc_dmabuf *mp, *bmp;
1407         struct lpfc_sli_ct_request *CtReq;
1408         struct ulp_bde64 *bpl;
1409         uint32_t size;
1410         uint32_t rsp_size;
1411         struct lpfc_fdmi_reg_hba *rh;
1412         struct lpfc_fdmi_port_entry *pe;
1413         struct lpfc_fdmi_reg_portattr *pab = NULL;
1414         struct lpfc_fdmi_attr_block *ab = NULL;
1415         struct lpfc_fdmi_attr_entry *ae;
1416         struct lpfc_fdmi_attr_def *ad;
1417         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1418                       struct lpfc_iocbq *);
1419
1420         if (ndlp == NULL) {
1421                 ndlp = lpfc_findnode_did(vport, FDMI_DID);
1422                 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1423                         return 0;
1424                 cmpl = lpfc_cmpl_ct_cmd_fdmi; /* cmd interface */
1425         } else {
1426                 cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
1427         }
1428
1429         /* fill in BDEs for command */
1430         /* Allocate buffer for command payload */
1431         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1432         if (!mp)
1433                 goto fdmi_cmd_exit;
1434
1435         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
1436         if (!mp->virt)
1437                 goto fdmi_cmd_free_mp;
1438
1439         /* Allocate buffer for Buffer ptr list */
1440         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1441         if (!bmp)
1442                 goto fdmi_cmd_free_mpvirt;
1443
1444         bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
1445         if (!bmp->virt)
1446                 goto fdmi_cmd_free_bmp;
1447
1448         INIT_LIST_HEAD(&mp->list);
1449         INIT_LIST_HEAD(&bmp->list);
1450
1451         /* FDMI request */
1452         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1453                          "0218 FDMI Request Data: x%x x%x x%x\n",
1454                          vport->fc_flag, vport->port_state, cmdcode);
1455         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1456
1457         /* First populate the CT_IU preamble */
1458         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1459         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1460         CtReq->RevisionId.bits.InId = 0;
1461
1462         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
1463         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
1464
1465         CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
1466         rsp_size = LPFC_BPL_SIZE;
1467         size = 0;
1468
1469         /* Next fill in the specific FDMI cmd information */
1470         switch (cmdcode) {
1471         case SLI_MGMT_RHAT:
1472         case SLI_MGMT_RHBA:
1473                 {
1474                         lpfc_vpd_t *vp = &phba->vpd;
1475                         uint32_t i, j, incr;
1476                         int len = 0;
1477
1478                         rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
1479                         /* HBA Identifier */
1480                         memcpy(&rh->hi.PortName, &vport->fc_sparam.portName,
1481                                sizeof(struct lpfc_name));
1482
1483                         if (cmdcode == SLI_MGMT_RHBA) {
1484                                 /* Registered Port List */
1485                                 /* One entry (port) per adapter */
1486                                 rh->rpl.EntryCnt = cpu_to_be32(1);
1487                                 memcpy(&rh->rpl.pe, &vport->fc_sparam.portName,
1488                                        sizeof(struct lpfc_name));
1489
1490                                 /* point to the HBA attribute block */
1491                                 size = 2 * sizeof(struct lpfc_name) +
1492                                         FOURBYTES;
1493                         } else {
1494                                 size = sizeof(struct lpfc_name);
1495                         }
1496                         ab = (struct lpfc_fdmi_attr_block *)
1497                                 ((uint8_t *)rh + size);
1498                         ab->EntryCnt = 0;
1499                         size += FOURBYTES;
1500
1501                         /*
1502                          * Point to beginning of first HBA attribute entry
1503                          */
1504                         /* #1 HBA attribute entry */
1505                         ad = (struct lpfc_fdmi_attr_def *)
1506                                 ((uint8_t *)rh + size);
1507                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1508                         memset(ae, 0, sizeof(struct lpfc_name));
1509                         ad->AttrType = cpu_to_be16(RHBA_NODENAME);
1510                         ad->AttrLen =  cpu_to_be16(FOURBYTES
1511                                                 + sizeof(struct lpfc_name));
1512                         memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1513                                sizeof(struct lpfc_name));
1514                         ab->EntryCnt++;
1515                         size += FOURBYTES + sizeof(struct lpfc_name);
1516                         if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1517                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1518                                 goto hba_out;
1519
1520                         /* #2 HBA attribute entry */
1521                         ad = (struct lpfc_fdmi_attr_def *)
1522                                 ((uint8_t *)rh + size);
1523                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1524                         memset(ae, 0, sizeof(ae->un.Manufacturer));
1525                         ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
1526                         strncpy(ae->un.Manufacturer, "Emulex Corporation",
1527                                 sizeof(ae->un.Manufacturer));
1528                         len = strnlen(ae->un.Manufacturer,
1529                                           sizeof(ae->un.Manufacturer));
1530                         len += (len & 3) ? (4 - (len & 3)) : 4;
1531                         ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1532                         ab->EntryCnt++;
1533                         size += FOURBYTES + len;
1534                         if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1535                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1536                                 goto hba_out;
1537
1538                         /* #3 HBA attribute entry */
1539                         ad = (struct lpfc_fdmi_attr_def *)
1540                                 ((uint8_t *)rh + size);
1541                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1542                         memset(ae, 0, sizeof(ae->un.SerialNumber));
1543                         ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
1544                         strncpy(ae->un.SerialNumber, phba->SerialNumber,
1545                                 sizeof(ae->un.SerialNumber));
1546                         len = strnlen(ae->un.SerialNumber,
1547                                           sizeof(ae->un.SerialNumber));
1548                         len += (len & 3) ? (4 - (len & 3)) : 4;
1549                         ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1550                         ab->EntryCnt++;
1551                         size += FOURBYTES + len;
1552                         if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1553                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1554                                 goto hba_out;
1555
1556                         /* #4 HBA attribute entry */
1557                         ad = (struct lpfc_fdmi_attr_def *)
1558                                 ((uint8_t *)rh + size);
1559                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1560                         memset(ae, 0, sizeof(ae->un.Model));
1561                         ad->AttrType = cpu_to_be16(RHBA_MODEL);
1562                         strncpy(ae->un.Model, phba->ModelName,
1563                                 sizeof(ae->un.Model));
1564                         len = strnlen(ae->un.Model, sizeof(ae->un.Model));
1565                         len += (len & 3) ? (4 - (len & 3)) : 4;
1566                         ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1567                         ab->EntryCnt++;
1568                         size += FOURBYTES + len;
1569                         if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1570                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1571                                 goto hba_out;
1572
1573                         /* #5 HBA attribute entry */
1574                         ad = (struct lpfc_fdmi_attr_def *)
1575                                 ((uint8_t *)rh + size);
1576                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1577                         memset(ae, 0, sizeof(ae->un.ModelDescription));
1578                         ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
1579                         strncpy(ae->un.ModelDescription, phba->ModelDesc,
1580                                 sizeof(ae->un.ModelDescription));
1581                         len = strnlen(ae->un.ModelDescription,
1582                                           sizeof(ae->un.ModelDescription));
1583                         len += (len & 3) ? (4 - (len & 3)) : 4;
1584                         ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1585                         ab->EntryCnt++;
1586                         size += FOURBYTES + len;
1587                         if ((size + 8) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1588                                 goto hba_out;
1589
1590                         /* #6 HBA attribute entry */
1591                         ad = (struct lpfc_fdmi_attr_def *)
1592                                 ((uint8_t *)rh + size);
1593                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1594                         memset(ae, 0, 8);
1595                         ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
1596                         ad->AttrLen = cpu_to_be16(FOURBYTES + 8);
1597                         /* Convert JEDEC ID to ascii for hardware version */
1598                         incr = vp->rev.biuRev;
1599                         for (i = 0; i < 8; i++) {
1600                                 j = (incr & 0xf);
1601                                 if (j <= 9)
1602                                         ae->un.HardwareVersion[7 - i] =
1603                                             (char)((uint8_t)0x30 +
1604                                                    (uint8_t)j);
1605                                 else
1606                                         ae->un.HardwareVersion[7 - i] =
1607                                             (char)((uint8_t)0x61 +
1608                                                    (uint8_t)(j - 10));
1609                                 incr = (incr >> 4);
1610                         }
1611                         ab->EntryCnt++;
1612                         size += FOURBYTES + 8;
1613                         if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1614                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1615                                 goto hba_out;
1616
1617                         /* #7 HBA attribute entry */
1618                         ad = (struct lpfc_fdmi_attr_def *)
1619                                 ((uint8_t *)rh + size);
1620                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1621                         memset(ae, 0, sizeof(ae->un.DriverVersion));
1622                         ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
1623                         strncpy(ae->un.DriverVersion, lpfc_release_version,
1624                                 sizeof(ae->un.DriverVersion));
1625                         len = strnlen(ae->un.DriverVersion,
1626                                         sizeof(ae->un.DriverVersion));
1627                         len += (len & 3) ? (4 - (len & 3)) : 4;
1628                         ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1629                         ab->EntryCnt++;
1630                         size += FOURBYTES + len;
1631                         if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1632                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1633                                 goto hba_out;
1634
1635                         /* #8 HBA attribute entry */
1636                         ad = (struct lpfc_fdmi_attr_def *)
1637                                 ((uint8_t *)rh + size);
1638                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1639                         memset(ae, 0, sizeof(ae->un.OptionROMVersion));
1640                         ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
1641                         strncpy(ae->un.OptionROMVersion, phba->OptionROMVersion,
1642                                 sizeof(ae->un.OptionROMVersion));
1643                         len = strnlen(ae->un.OptionROMVersion,
1644                                       sizeof(ae->un.OptionROMVersion));
1645                         len += (len & 3) ? (4 - (len & 3)) : 4;
1646                         ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1647                         ab->EntryCnt++;
1648                         size += FOURBYTES + len;
1649                         if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1650                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1651                                 goto hba_out;
1652
1653                         /* #9 HBA attribute entry */
1654                         ad = (struct lpfc_fdmi_attr_def *)
1655                                 ((uint8_t *)rh + size);
1656                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1657                         memset(ae, 0, sizeof(ae->un.FirmwareVersion));
1658                         ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
1659                         lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
1660                                 1);
1661                         len = strnlen(ae->un.FirmwareVersion,
1662                                         sizeof(ae->un.FirmwareVersion));
1663                         len += (len & 3) ? (4 - (len & 3)) : 4;
1664                         ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1665                         ab->EntryCnt++;
1666                         size += FOURBYTES + len;
1667                         if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1668                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1669                                 goto hba_out;
1670
1671                         /* #10 HBA attribute entry */
1672                         ad = (struct lpfc_fdmi_attr_def *)
1673                                 ((uint8_t *)rh + size);
1674                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1675                         memset(ae, 0, sizeof(ae->un.OsNameVersion));
1676                         ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
1677                         snprintf(ae->un.OsNameVersion,
1678                                  sizeof(ae->un.OsNameVersion),
1679                                  "%s %s %s",
1680                                  init_utsname()->sysname,
1681                                  init_utsname()->release,
1682                                  init_utsname()->version);
1683                         len = strnlen(ae->un.OsNameVersion,
1684                                       sizeof(ae->un.OsNameVersion));
1685                         len += (len & 3) ? (4 - (len & 3)) : 4;
1686                         ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1687                         ab->EntryCnt++;
1688                         size += FOURBYTES + len;
1689                         if ((size + 4) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1690                                 goto hba_out;
1691
1692                         /* #11 HBA attribute entry */
1693                         ad = (struct lpfc_fdmi_attr_def *)
1694                                 ((uint8_t *)rh + size);
1695                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1696                         ad->AttrType =
1697                                 cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
1698                         ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
1699                         ae->un.MaxCTPayloadLen = cpu_to_be32(LPFC_MAX_CT_SIZE);
1700                         ab->EntryCnt++;
1701                         size += FOURBYTES + 4;
1702                         if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1703                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1704                                 goto hba_out;
1705
1706                         /*
1707                          * Currently switches don't seem to support the
1708                          * following extended HBA attributes.
1709                          */
1710                         if (!(vport->cfg_fdmi_on & LPFC_FDMI_ALL_ATTRIB))
1711                                 goto hba_out;
1712
1713                         /* #12 HBA attribute entry */
1714                         ad = (struct lpfc_fdmi_attr_def *)
1715                                 ((uint8_t *)rh + size);
1716                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1717                         memset(ae, 0, sizeof(ae->un.NodeSymName));
1718                         ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
1719                         len = lpfc_vport_symbolic_node_name(vport,
1720                                 ae->un.NodeSymName, sizeof(ae->un.NodeSymName));
1721                         len += (len & 3) ? (4 - (len & 3)) : 4;
1722                         ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1723                         ab->EntryCnt++;
1724                         size += FOURBYTES + len;
1725 hba_out:
1726                         ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
1727                         /* Total size */
1728                         size = GID_REQUEST_SZ - 4 + size;
1729                 }
1730                 break;
1731
1732         case SLI_MGMT_RPRT:
1733         case SLI_MGMT_RPA:
1734                 {
1735                         struct serv_parm *hsp;
1736                         int len = 0;
1737
1738                         if (cmdcode == SLI_MGMT_RPRT) {
1739                                 rh = (struct lpfc_fdmi_reg_hba *)
1740                                         &CtReq->un.PortID;
1741                                 /* HBA Identifier */
1742                                 memcpy(&rh->hi.PortName,
1743                                        &vport->fc_sparam.portName,
1744                                        sizeof(struct lpfc_name));
1745                                 pab = (struct lpfc_fdmi_reg_portattr *)
1746                                         &rh->rpl.EntryCnt;
1747                         } else
1748                                 pab = (struct lpfc_fdmi_reg_portattr *)
1749                                         &CtReq->un.PortID;
1750                         size = sizeof(struct lpfc_name) + FOURBYTES;
1751                         memcpy((uint8_t *)&pab->PortName,
1752                                (uint8_t *)&vport->fc_sparam.portName,
1753                                sizeof(struct lpfc_name));
1754                         pab->ab.EntryCnt = 0;
1755
1756                         /* #1 Port attribute entry */
1757                         ad = (struct lpfc_fdmi_attr_def *)
1758                                 ((uint8_t *)pab + size);
1759                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1760                         memset(ae, 0, sizeof(ae->un.FC4Types));
1761                         ad->AttrType =
1762                                 cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
1763                         ad->AttrLen = cpu_to_be16(FOURBYTES + 32);
1764                         ae->un.FC4Types[0] = 0x40; /* Type 1 - ELS */
1765                         ae->un.FC4Types[1] = 0x80; /* Type 8 - FCP */
1766                         ae->un.FC4Types[4] = 0x80; /* Type 32 - CT */
1767                         pab->ab.EntryCnt++;
1768                         size += FOURBYTES + 32;
1769
1770                         /* #2 Port attribute entry */
1771                         ad = (struct lpfc_fdmi_attr_def *)
1772                                 ((uint8_t *)pab + size);
1773                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1774                         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
1775                         ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
1776                         ae->un.SupportSpeed = 0;
1777                         if (phba->lmt & LMT_32Gb)
1778                                 ae->un.SupportSpeed |= HBA_PORTSPEED_32GBIT;
1779                         if (phba->lmt & LMT_16Gb)
1780                                 ae->un.SupportSpeed |= HBA_PORTSPEED_16GBIT;
1781                         if (phba->lmt & LMT_10Gb)
1782                                 ae->un.SupportSpeed |= HBA_PORTSPEED_10GBIT;
1783                         if (phba->lmt & LMT_8Gb)
1784                                 ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
1785                         if (phba->lmt & LMT_4Gb)
1786                                 ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
1787                         if (phba->lmt & LMT_2Gb)
1788                                 ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
1789                         if (phba->lmt & LMT_1Gb)
1790                                 ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT;
1791                         ae->un.SupportSpeed =
1792                                 cpu_to_be32(ae->un.SupportSpeed);
1793
1794                         pab->ab.EntryCnt++;
1795                         size += FOURBYTES + 4;
1796
1797                         /* #3 Port attribute entry */
1798                         ad = (struct lpfc_fdmi_attr_def *)
1799                                 ((uint8_t *)pab + size);
1800                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1801                         ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
1802                         ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
1803                         switch (phba->fc_linkspeed) {
1804                         case LPFC_LINK_SPEED_1GHZ:
1805                                 ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1806                                 break;
1807                         case LPFC_LINK_SPEED_2GHZ:
1808                                 ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1809                                 break;
1810                         case LPFC_LINK_SPEED_4GHZ:
1811                                 ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1812                                 break;
1813                         case LPFC_LINK_SPEED_8GHZ:
1814                                 ae->un.PortSpeed = HBA_PORTSPEED_8GBIT;
1815                                 break;
1816                         case LPFC_LINK_SPEED_10GHZ:
1817                                 ae->un.PortSpeed = HBA_PORTSPEED_10GBIT;
1818                                 break;
1819                         case LPFC_LINK_SPEED_16GHZ:
1820                                 ae->un.PortSpeed = HBA_PORTSPEED_16GBIT;
1821                                 break;
1822                         case LPFC_LINK_SPEED_32GHZ:
1823                                 ae->un.PortSpeed = HBA_PORTSPEED_32GBIT;
1824                                 break;
1825                         default:
1826                                 ae->un.PortSpeed = HBA_PORTSPEED_UNKNOWN;
1827                                 break;
1828                         }
1829                         ae->un.PortSpeed = cpu_to_be32(ae->un.PortSpeed);
1830                         pab->ab.EntryCnt++;
1831                         size += FOURBYTES + 4;
1832
1833                         /* #4 Port attribute entry */
1834                         ad = (struct lpfc_fdmi_attr_def *)
1835                                 ((uint8_t *)pab + size);
1836                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1837                         ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
1838                         ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
1839                         hsp = (struct serv_parm *)&vport->fc_sparam;
1840                         ae->un.MaxFrameSize =
1841                             (((uint32_t)hsp->cmn.
1842                               bbRcvSizeMsb) << 8) | (uint32_t)hsp->cmn.
1843                             bbRcvSizeLsb;
1844                         ae->un.MaxFrameSize =
1845                                 cpu_to_be32(ae->un.MaxFrameSize);
1846                         pab->ab.EntryCnt++;
1847                         size += FOURBYTES + 4;
1848                         if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1849                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1850                                 goto port_out;
1851
1852                         /* #5 Port attribute entry */
1853                         ad = (struct lpfc_fdmi_attr_def *)
1854                                 ((uint8_t *)pab + size);
1855                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1856                         memset(ae, 0, sizeof(ae->un.OsDeviceName));
1857                         ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
1858                         strncpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME,
1859                                 sizeof(ae->un.OsDeviceName));
1860                         len = strnlen((char *)ae->un.OsDeviceName,
1861                                           sizeof(ae->un.OsDeviceName));
1862                         len += (len & 3) ? (4 - (len & 3)) : 4;
1863                         ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1864                         pab->ab.EntryCnt++;
1865                         size += FOURBYTES + len;
1866                         if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1867                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1868                                 goto port_out;
1869
1870                         /* #6 Port attribute entry */
1871                         ad = (struct lpfc_fdmi_attr_def *)
1872                                 ((uint8_t *)pab + size);
1873                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1874                         memset(ae, 0, sizeof(ae->un.HostName));
1875                         snprintf(ae->un.HostName, sizeof(ae->un.HostName), "%s",
1876                                  init_utsname()->nodename);
1877                         ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
1878                         len = strnlen(ae->un.HostName,
1879                                         sizeof(ae->un.HostName));
1880                         len += (len & 3) ? (4 - (len & 3)) : 4;
1881                         ad->AttrLen =
1882                                 cpu_to_be16(FOURBYTES + len);
1883                         pab->ab.EntryCnt++;
1884                         size += FOURBYTES + len;
1885                         if ((size + sizeof(struct lpfc_name)) >
1886                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1887                                 goto port_out;
1888
1889                         /*
1890                          * Currently switches don't seem to support the
1891                          * following extended Port attributes.
1892                          */
1893                         if (!(vport->cfg_fdmi_on & LPFC_FDMI_ALL_ATTRIB))
1894                                 goto port_out;
1895
1896                         /* #7 Port attribute entry */
1897                         ad = (struct lpfc_fdmi_attr_def *)
1898                                 ((uint8_t *)pab + size);
1899                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1900                         memset(ae, 0,  sizeof(struct lpfc_name));
1901                         ad->AttrType = cpu_to_be16(RPRT_NODENAME);
1902                         ad->AttrLen =  cpu_to_be16(FOURBYTES
1903                                                 + sizeof(struct lpfc_name));
1904                         memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1905                                sizeof(struct lpfc_name));
1906                         pab->ab.EntryCnt++;
1907                         size += FOURBYTES + sizeof(struct lpfc_name);
1908                         if ((size + sizeof(struct lpfc_name)) >
1909                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1910                                 goto port_out;
1911
1912                         /* #8 Port attribute entry */
1913                         ad = (struct lpfc_fdmi_attr_def *)
1914                                 ((uint8_t *)pab + size);
1915                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1916                         memset(ae, 0,  sizeof(struct lpfc_name));
1917                         ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
1918                         ad->AttrLen =  cpu_to_be16(FOURBYTES
1919                                                 + sizeof(struct lpfc_name));
1920                         memcpy(&ae->un.PortName, &vport->fc_sparam.portName,
1921                                sizeof(struct lpfc_name));
1922                         pab->ab.EntryCnt++;
1923                         size += FOURBYTES + sizeof(struct lpfc_name);
1924                         if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1925                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1926                                 goto port_out;
1927
1928                         /* #9 Port attribute entry */
1929                         ad = (struct lpfc_fdmi_attr_def *)
1930                                 ((uint8_t *)pab + size);
1931                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1932                         memset(ae, 0, sizeof(ae->un.NodeSymName));
1933                         ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
1934                         len = lpfc_vport_symbolic_port_name(vport,
1935                                 ae->un.NodeSymName, sizeof(ae->un.NodeSymName));
1936                         len += (len & 3) ? (4 - (len & 3)) : 4;
1937                         ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1938                         pab->ab.EntryCnt++;
1939                         size += FOURBYTES + len;
1940                         if ((size + 4) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1941                                 goto port_out;
1942
1943                         /* #10 Port attribute entry */
1944                         ad = (struct lpfc_fdmi_attr_def *)
1945                                 ((uint8_t *)pab + size);
1946                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1947                         ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
1948                         ae->un.PortState = 0;
1949                         ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
1950                         pab->ab.EntryCnt++;
1951                         size += FOURBYTES + 4;
1952                         if ((size + 4) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1953                                 goto port_out;
1954
1955                         /* #11 Port attribute entry */
1956                         ad = (struct lpfc_fdmi_attr_def *)
1957                                 ((uint8_t *)pab + size);
1958                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1959                         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
1960                         ae->un.SupportClass =
1961                                 cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
1962                         ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
1963                         pab->ab.EntryCnt++;
1964                         size += FOURBYTES + 4;
1965                         if ((size + sizeof(struct lpfc_name)) >
1966                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1967                                 goto port_out;
1968
1969                         /* #12 Port attribute entry */
1970                         ad = (struct lpfc_fdmi_attr_def *)
1971                                 ((uint8_t *)pab + size);
1972                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1973                         memset(ae, 0, sizeof(struct lpfc_name));
1974                         ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
1975                         ad->AttrLen =  cpu_to_be16(FOURBYTES
1976                                                 + sizeof(struct lpfc_name));
1977                         memcpy(&ae->un.FabricName, &vport->fabric_nodename,
1978                                sizeof(struct lpfc_name));
1979                         pab->ab.EntryCnt++;
1980                         size += FOURBYTES + sizeof(struct lpfc_name);
1981                         if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1982                                         (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1983                                 goto port_out;
1984
1985                         /* #13 Port attribute entry */
1986                         ad = (struct lpfc_fdmi_attr_def *)
1987                                 ((uint8_t *)pab + size);
1988                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1989                         memset(ae, 0, sizeof(ae->un.FC4Types));
1990                         ad->AttrType =
1991                                 cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
1992                         ad->AttrLen = cpu_to_be16(FOURBYTES + 32);
1993                         ae->un.FC4Types[0] = 0x40; /* Type 1 - ELS */
1994                         ae->un.FC4Types[1] = 0x80; /* Type 8 - FCP */
1995                         ae->un.FC4Types[4] = 0x80; /* Type 32 - CT */
1996                         pab->ab.EntryCnt++;
1997                         size += FOURBYTES + 32;
1998                         if ((size + 4) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1999                                 goto port_out;
2000
2001                         /* #257 Port attribute entry */
2002                         ad = (struct lpfc_fdmi_attr_def *)
2003                                 ((uint8_t *)pab + size);
2004                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2005                         ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
2006                         ae->un.PortState = 0;
2007                         ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
2008                         pab->ab.EntryCnt++;
2009                         size += FOURBYTES + 4;
2010                         if ((size + 4) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2011                                 goto port_out;
2012
2013                         /* #258 Port attribute entry */
2014                         ad = (struct lpfc_fdmi_attr_def *)
2015                                 ((uint8_t *)pab + size);
2016                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2017                         ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
2018                         ae->un.PortState = lpfc_find_map_node(vport);
2019                         ae->un.PortState = cpu_to_be32(ae->un.PortState);
2020                         ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
2021                         pab->ab.EntryCnt++;
2022                         size += FOURBYTES + 4;
2023                         if ((size + 4) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2024                                 goto port_out;
2025
2026                         /* #259 Port attribute entry */
2027                         ad = (struct lpfc_fdmi_attr_def *)
2028                                 ((uint8_t *)pab + size);
2029                         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2030                         ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
2031                         ae->un.PortId =  cpu_to_be32(vport->fc_myDID);
2032                         ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
2033                         pab->ab.EntryCnt++;
2034                         size += FOURBYTES + 4;
2035 port_out:
2036                         pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
2037                         /* Total size */
2038                         size = GID_REQUEST_SZ - 4 + size;
2039                 }
2040                 break;
2041
2042         case SLI_MGMT_GHAT:
2043         case SLI_MGMT_GRPL:
2044                 rsp_size = FC_MAX_NS_RSP;
2045         case SLI_MGMT_DHBA:
2046         case SLI_MGMT_DHAT:
2047                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2048                 memcpy((uint8_t *)&pe->PortName,
2049                        (uint8_t *)&vport->fc_sparam.portName,
2050                        sizeof(struct lpfc_name));
2051                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2052                 break;
2053
2054         case SLI_MGMT_GPAT:
2055         case SLI_MGMT_GPAS:
2056                 rsp_size = FC_MAX_NS_RSP;
2057         case SLI_MGMT_DPRT:
2058         case SLI_MGMT_DPA:
2059                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2060                 memcpy((uint8_t *)&pe->PortName,
2061                        (uint8_t *)&vport->fc_sparam.portName,
2062                        sizeof(struct lpfc_name));
2063                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2064                 break;
2065         case SLI_MGMT_GRHL:
2066                 size = GID_REQUEST_SZ - 4;
2067                 break;
2068         default:
2069                 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
2070                                  "0298 FDMI cmdcode x%x not supported\n",
2071                                  cmdcode);
2072                 goto fdmi_cmd_free_bmpvirt;
2073         }
2074         CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
2075
2076         bpl = (struct ulp_bde64 *)bmp->virt;
2077         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
2078         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
2079         bpl->tus.f.bdeFlags = 0;
2080         bpl->tus.f.bdeSize = size;
2081
2082         /*
2083          * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2084          * to hold ndlp reference for the corresponding callback function.
2085          */
2086         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
2087                 return 0;
2088
2089         /*
2090          * Decrement ndlp reference count to release ndlp reference held
2091          * for the failed command's callback function.
2092          */
2093         lpfc_nlp_put(ndlp);
2094
2095 fdmi_cmd_free_bmpvirt:
2096         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2097 fdmi_cmd_free_bmp:
2098         kfree(bmp);
2099 fdmi_cmd_free_mpvirt:
2100         lpfc_mbuf_free(phba, mp->virt, mp->phys);
2101 fdmi_cmd_free_mp:
2102         kfree(mp);
2103 fdmi_cmd_exit:
2104         /* Issue FDMI request failed */
2105         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2106                          "0244 Issue FDMI request failed Data: x%x\n",
2107                          cmdcode);
2108         return 1;
2109 }
2110
2111 /**
2112  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
2113  * @ptr - Context object of the timer.
2114  *
2115  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
2116  * the worker thread.
2117  **/
2118 void
2119 lpfc_delayed_disc_tmo(unsigned long ptr)
2120 {
2121         struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
2122         struct lpfc_hba   *phba = vport->phba;
2123         uint32_t tmo_posted;
2124         unsigned long iflag;
2125
2126         spin_lock_irqsave(&vport->work_port_lock, iflag);
2127         tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
2128         if (!tmo_posted)
2129                 vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
2130         spin_unlock_irqrestore(&vport->work_port_lock, iflag);
2131
2132         if (!tmo_posted)
2133                 lpfc_worker_wake_up(phba);
2134         return;
2135 }
2136
2137 /**
2138  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
2139  *      handle delayed discovery.
2140  * @vport: pointer to a host virtual N_Port data structure.
2141  *
2142  * This function start nport discovery of the vport.
2143  **/
2144 void
2145 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
2146 {
2147         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2148
2149         spin_lock_irq(shost->host_lock);
2150         if (!(vport->fc_flag & FC_DISC_DELAYED)) {
2151                 spin_unlock_irq(shost->host_lock);
2152                 return;
2153         }
2154         vport->fc_flag &= ~FC_DISC_DELAYED;
2155         spin_unlock_irq(shost->host_lock);
2156
2157         lpfc_do_scr_ns_plogi(vport->phba, vport);
2158 }
2159
2160 void
2161 lpfc_fdmi_tmo(unsigned long ptr)
2162 {
2163         struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
2164         struct lpfc_hba   *phba = vport->phba;
2165         uint32_t tmo_posted;
2166         unsigned long iflag;
2167
2168         spin_lock_irqsave(&vport->work_port_lock, iflag);
2169         tmo_posted = vport->work_port_events & WORKER_FDMI_TMO;
2170         if (!tmo_posted)
2171                 vport->work_port_events |= WORKER_FDMI_TMO;
2172         spin_unlock_irqrestore(&vport->work_port_lock, iflag);
2173
2174         if (!tmo_posted)
2175                 lpfc_worker_wake_up(phba);
2176         return;
2177 }
2178
2179 void
2180 lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
2181 {
2182         struct lpfc_nodelist *ndlp;
2183
2184         ndlp = lpfc_findnode_did(vport, FDMI_DID);
2185         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
2186                 if (init_utsname()->nodename[0] != '\0')
2187                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
2188                 else
2189                         mod_timer(&vport->fc_fdmitmo, jiffies +
2190                                   msecs_to_jiffies(1000 * 60));
2191         }
2192         return;
2193 }
2194
2195 void
2196 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
2197 {
2198         struct lpfc_sli *psli = &phba->sli;
2199         lpfc_vpd_t *vp = &phba->vpd;
2200         uint32_t b1, b2, b3, b4, i, rev;
2201         char c;
2202         uint32_t *ptr, str[4];
2203         uint8_t *fwname;
2204
2205         if (phba->sli_rev == LPFC_SLI_REV4)
2206                 snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
2207         else if (vp->rev.rBit) {
2208                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
2209                         rev = vp->rev.sli2FwRev;
2210                 else
2211                         rev = vp->rev.sli1FwRev;
2212
2213                 b1 = (rev & 0x0000f000) >> 12;
2214                 b2 = (rev & 0x00000f00) >> 8;
2215                 b3 = (rev & 0x000000c0) >> 6;
2216                 b4 = (rev & 0x00000030) >> 4;
2217
2218                 switch (b4) {
2219                 case 0:
2220                         c = 'N';
2221                         break;
2222                 case 1:
2223                         c = 'A';
2224                         break;
2225                 case 2:
2226                         c = 'B';
2227                         break;
2228                 case 3:
2229                         c = 'X';
2230                         break;
2231                 default:
2232                         c = 0;
2233                         break;
2234                 }
2235                 b4 = (rev & 0x0000000f);
2236
2237                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
2238                         fwname = vp->rev.sli2FwName;
2239                 else
2240                         fwname = vp->rev.sli1FwName;
2241
2242                 for (i = 0; i < 16; i++)
2243                         if (fwname[i] == 0x20)
2244                                 fwname[i] = 0;
2245
2246                 ptr = (uint32_t*)fwname;
2247
2248                 for (i = 0; i < 3; i++)
2249                         str[i] = be32_to_cpu(*ptr++);
2250
2251                 if (c == 0) {
2252                         if (flag)
2253                                 sprintf(fwrevision, "%d.%d%d (%s)",
2254                                         b1, b2, b3, (char *)str);
2255                         else
2256                                 sprintf(fwrevision, "%d.%d%d", b1,
2257                                         b2, b3);
2258                 } else {
2259                         if (flag)
2260                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
2261                                         b1, b2, b3, c,
2262                                         b4, (char *)str);
2263                         else
2264                                 sprintf(fwrevision, "%d.%d%d%c%d",
2265                                         b1, b2, b3, c, b4);
2266                 }
2267         } else {
2268                 rev = vp->rev.smFwRev;
2269
2270                 b1 = (rev & 0xff000000) >> 24;
2271                 b2 = (rev & 0x00f00000) >> 20;
2272                 b3 = (rev & 0x000f0000) >> 16;
2273                 c  = (rev & 0x0000ff00) >> 8;
2274                 b4 = (rev & 0x000000ff);
2275
2276                 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
2277         }
2278         return;
2279 }