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) 2017 Broadcom. All Rights Reserved. The term      *
   5  * “Broadcom” refers to Broadcom Limited and/or its subsidiaries.  *
   6  * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
   7  * EMULEX and SLI are trademarks of Emulex.                        *
   8  * www.broadcom.com                                                *
   9  *                                                                 *
  10  * This program is free software; you can redistribute it and/or   *
  11  * modify it under the terms of version 2 of the GNU General       *
  12  * Public License as published by the Free Software Foundation.    *
  13  * This program is distributed in the hope that it will be useful. *
  14  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  15  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  16  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  17  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  18  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  19  * more details, a copy of which can be found in the file COPYING  *
  20  * included with this package.                                     *
  21  *******************************************************************/
  22
  23 /*
  24  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
  25  */
  26
  27 #include <linux/blkdev.h>
  28 #include <linux/pci.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/slab.h>
  31 #include <linux/utsname.h>
  32
  33 #include <scsi/scsi.h>
  34 #include <scsi/scsi_device.h>
  35 #include <scsi/scsi_host.h>
  36 #include <scsi/scsi_transport_fc.h>
  37 #include <scsi/fc/fc_fs.h>
  38
  39 #include "lpfc_hw4.h"
  40 #include "lpfc_hw.h"
  41 #include "lpfc_sli.h"
  42 #include "lpfc_sli4.h"
  43 #include "lpfc_nl.h"
  44 #include "lpfc_disc.h"
  45 #include "lpfc.h"
  46 #include "lpfc_scsi.h"
  47 #include "lpfc_nvme.h"
  48 #include "lpfc_logmsg.h"
  49 #include "lpfc_crtn.h"
  50 #include "lpfc_version.h"
  51 #include "lpfc_vport.h"
  52 #include "lpfc_debugfs.h"
  53
  54 /* FDMI Port Speed definitions - FC-GS-7 */
  55 #define HBA_PORTSPEED_1GFC              0x00000001      /* 1G FC */
  56 #define HBA_PORTSPEED_2GFC              0x00000002      /* 2G FC */
  57 #define HBA_PORTSPEED_4GFC              0x00000008      /* 4G FC */
  58 #define HBA_PORTSPEED_10GFC             0x00000004      /* 10G FC */
  59 #define HBA_PORTSPEED_8GFC              0x00000010      /* 8G FC */
  60 #define HBA_PORTSPEED_16GFC             0x00000020      /* 16G FC */
  61 #define HBA_PORTSPEED_32GFC             0x00000040      /* 32G FC */
  62 #define HBA_PORTSPEED_20GFC             0x00000080      /* 20G FC */
  63 #define HBA_PORTSPEED_40GFC             0x00000100      /* 40G FC */
  64 #define HBA_PORTSPEED_128GFC            0x00000200      /* 128G FC */
  65 #define HBA_PORTSPEED_64GFC             0x00000400      /* 64G FC */
  66 #define HBA_PORTSPEED_256GFC            0x00000800      /* 256G FC */
  67 #define HBA_PORTSPEED_UNKNOWN           0x00008000      /* Unknown */
  68 #define HBA_PORTSPEED_10GE              0x00010000      /* 10G E */
  69 #define HBA_PORTSPEED_40GE              0x00020000      /* 40G E */
  70 #define HBA_PORTSPEED_100GE             0x00040000      /* 100G E */
  71 #define HBA_PORTSPEED_25GE              0x00080000      /* 25G E */
  72 #define HBA_PORTSPEED_50GE              0x00100000      /* 50G E */
  73 #define HBA_PORTSPEED_400GE             0x00200000      /* 400G E */
  74
  75 #define FOURBYTES       4
  76
  77
  78 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
  79
  80 static void
  81 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  82                           struct lpfc_dmabuf *mp, uint32_t size)
  83 {
  84         if (!mp) {
  85                 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  86                                 "0146 Ignoring unsolicited CT No HBQ "
  87                                 "status = x%x\n",
  88                                 piocbq->iocb.ulpStatus);
  89         }
  90         lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  91                         "0145 Ignoring unsolicted CT HBQ Size:%d "
  92                         "status = x%x\n",
  93                         size, piocbq->iocb.ulpStatus);
  94 }
  95
  96 static void
  97 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  98                      struct lpfc_dmabuf *mp, uint32_t size)
  99 {
 100         lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
 101 }
 102
 103 void
 104 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 105                     struct lpfc_iocbq *piocbq)
 106 {
 107         struct lpfc_dmabuf *mp = NULL;
 108         IOCB_t *icmd = &piocbq->iocb;
 109         int i;
 110         struct lpfc_iocbq *iocbq;
 111         dma_addr_t paddr;
 112         uint32_t size;
 113         struct list_head head;
 114         struct lpfc_dmabuf *bdeBuf;
 115
 116         if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
 117                 return;
 118
 119         if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
 120                 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
 121         } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 122                    ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
 123                    IOERR_RCV_BUFFER_WAITING)) {
 124                 /* Not enough posted buffers; Try posting more buffers */
 125                 phba->fc_stat.NoRcvBuf++;
 126                 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 127                         lpfc_post_buffer(phba, pring, 2);
 128                 return;
 129         }
 130
 131         /* If there are no BDEs associated with this IOCB,
 132          * there is nothing to do.
 133          */
 134         if (icmd->ulpBdeCount == 0)
 135                 return;
 136
 137         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 138                 INIT_LIST_HEAD(&head);
 139                 list_add_tail(&head, &piocbq->list);
 140                 list_for_each_entry(iocbq, &head, list) {
 141                         icmd = &iocbq->iocb;
 142                         if (icmd->ulpBdeCount == 0)
 143                                 continue;
 144                         bdeBuf = iocbq->context2;
 145                         iocbq->context2 = NULL;
 146                         size  = icmd->un.cont64[0].tus.f.bdeSize;
 147                         lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
 148                         lpfc_in_buf_free(phba, bdeBuf);
 149                         if (icmd->ulpBdeCount == 2) {
 150                                 bdeBuf = iocbq->context3;
 151                                 iocbq->context3 = NULL;
 152                                 size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
 153                                 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
 154                                                      size);
 155                                 lpfc_in_buf_free(phba, bdeBuf);
 156                         }
 157                 }
 158                 list_del(&head);
 159         } else {
 160                 INIT_LIST_HEAD(&head);
 161                 list_add_tail(&head, &piocbq->list);
 162                 list_for_each_entry(iocbq, &head, list) {
 163                         icmd = &iocbq->iocb;
 164                         if (icmd->ulpBdeCount == 0)
 165                                 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 166                         for (i = 0; i < icmd->ulpBdeCount; i++) {
 167                                 paddr = getPaddr(icmd->un.cont64[i].addrHigh,
 168                                                  icmd->un.cont64[i].addrLow);
 169                                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
 170                                                               paddr);
 171                                 size = icmd->un.cont64[i].tus.f.bdeSize;
 172                                 lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 173                                 lpfc_in_buf_free(phba, mp);
 174                         }
 175                         lpfc_post_buffer(phba, pring, i);
 176                 }
 177                 list_del(&head);
 178         }
 179 }
 180
 181 /**
 182  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
 183  * @phba: Pointer to HBA context object.
 184  * @dmabuf: pointer to a dmabuf that describes the FC sequence
 185  *
 186  * This function serves as the upper level protocol abort handler for CT
 187  * protocol.
 188  *
 189  * Return 1 if abort has been handled, 0 otherwise.
 190  **/
 191 int
 192 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
 193 {
 194         int handled;
 195
 196         /* CT upper level goes through BSG */
 197         handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
 198
 199         return handled;
 200 }
 201
 202 static void
 203 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 204 {
 205         struct lpfc_dmabuf *mlast, *next_mlast;
 206
 207         list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 208                 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 209                 list_del(&mlast->list);
 210                 kfree(mlast);
 211         }
 212         lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 213         kfree(mlist);
 214         return;
 215 }
 216
 217 static struct lpfc_dmabuf *
 218 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 219                   uint32_t size, int *entries)
 220 {
 221         struct lpfc_dmabuf *mlist = NULL;
 222         struct lpfc_dmabuf *mp;
 223         int cnt, i = 0;
 224
 225         /* We get chunks of FCELSSIZE */
 226         cnt = size > FCELSSIZE ? FCELSSIZE: size;
 227
 228         while (size) {
 229                 /* Allocate buffer for rsp payload */
 230                 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 231                 if (!mp) {
 232                         if (mlist)
 233                                 lpfc_free_ct_rsp(phba, mlist);
 234                         return NULL;
 235                 }
 236
 237                 INIT_LIST_HEAD(&mp->list);
 238
 239                 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 240                     cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 241                         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 242                 else
 243                         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 244
 245                 if (!mp->virt) {
 246                         kfree(mp);
 247                         if (mlist)
 248                                 lpfc_free_ct_rsp(phba, mlist);
 249                         return NULL;
 250                 }
 251
 252                 /* Queue it to a linked list */
 253                 if (!mlist)
 254                         mlist = mp;
 255                 else
 256                         list_add_tail(&mp->list, &mlist->list);
 257
 258                 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 259                 /* build buffer ptr list for IOCB */
 260                 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 261                 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 262                 bpl->tus.f.bdeSize = (uint16_t) cnt;
 263                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
 264                 bpl++;
 265
 266                 i++;
 267                 size -= cnt;
 268         }
 269
 270         *entries = i;
 271         return mlist;
 272 }
 273
 274 int
 275 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 276 {
 277         struct lpfc_dmabuf *buf_ptr;
 278
 279         if (ctiocb->context_un.ndlp) {
 280                 lpfc_nlp_put(ctiocb->context_un.ndlp);
 281                 ctiocb->context_un.ndlp = NULL;
 282         }
 283         if (ctiocb->context1) {
 284                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
 285                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 286                 kfree(buf_ptr);
 287                 ctiocb->context1 = NULL;
 288         }
 289         if (ctiocb->context2) {
 290                 lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
 291                 ctiocb->context2 = NULL;
 292         }
 293
 294         if (ctiocb->context3) {
 295                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
 296                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 297                 kfree(buf_ptr);
 298                 ctiocb->context3 = NULL;
 299         }
 300         lpfc_sli_release_iocbq(phba, ctiocb);
 301         return 0;
 302 }
 303
 304 /**
 305  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
 306  * @vport: pointer to a host virtual N_Port data structure.
 307  * @bmp: Pointer to BPL for SLI command
 308  * @inp: Pointer to data buffer for response data.
 309  * @outp: Pointer to data buffer that hold the CT command.
 310  * @cmpl: completion routine to call when command completes
 311  * @ndlp: Destination NPort nodelist entry
 312  *
 313  * This function as the final part for issuing a CT command.
 314  */
 315 static int
 316 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 317              struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 318              void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 319                      struct lpfc_iocbq *),
 320              struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
 321              uint32_t tmo, uint8_t retry)
 322 {
 323         struct lpfc_hba  *phba = vport->phba;
 324         IOCB_t *icmd;
 325         struct lpfc_iocbq *geniocb;
 326         int rc;
 327
 328         /* Allocate buffer for  command iocb */
 329         geniocb = lpfc_sli_get_iocbq(phba);
 330
 331         if (geniocb == NULL)
 332                 return 1;
 333
 334         icmd = &geniocb->iocb;
 335         icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 336         icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 337         icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 338         icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 339         icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64));
 340
 341         if (usr_flg)
 342                 geniocb->context3 = NULL;
 343         else
 344                 geniocb->context3 = (uint8_t *) bmp;
 345
 346         /* Save for completion so we can release these resources */
 347         geniocb->context1 = (uint8_t *) inp;
 348         geniocb->context2 = (uint8_t *) outp;
 349         geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
 350
 351         /* Fill in payload, bp points to frame payload */
 352         icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
 353
 354         /* Fill in rest of iocb */
 355         icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 356         icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 357         icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
 358         icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 359
 360         if (!tmo) {
 361                  /* FC spec states we need 3 * ratov for CT requests */
 362                 tmo = (3 * phba->fc_ratov);
 363         }
 364         icmd->ulpTimeout = tmo;
 365         icmd->ulpBdeCount = 1;
 366         icmd->ulpLe = 1;
 367         icmd->ulpClass = CLASS3;
 368         icmd->ulpContext = ndlp->nlp_rpi;
 369         if (phba->sli_rev == LPFC_SLI_REV4)
 370                 icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 371
 372         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 373                 /* For GEN_REQUEST64_CR, use the RPI */
 374                 icmd->ulpCt_h = 0;
 375                 icmd->ulpCt_l = 0;
 376         }
 377
 378         /* Issue GEN REQ IOCB for NPORT <did> */
 379         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 380                          "0119 Issue GEN REQ IOCB to NPORT x%x "
 381                          "Data: x%x x%x\n",
 382                          ndlp->nlp_DID, icmd->ulpIoTag,
 383                          vport->port_state);
 384         geniocb->iocb_cmpl = cmpl;
 385         geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 386         geniocb->vport = vport;
 387         geniocb->retry = retry;
 388         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
 389
 390         if (rc == IOCB_ERROR) {
 391                 lpfc_sli_release_iocbq(phba, geniocb);
 392                 return 1;
 393         }
 394
 395         return 0;
 396 }
 397
 398 /**
 399  * lpfc_ct_cmd - Build and issue a CT command
 400  * @vport: pointer to a host virtual N_Port data structure.
 401  * @inmp: Pointer to data buffer for response data.
 402  * @bmp: Pointer to BPL for SLI command
 403  * @ndlp: Destination NPort nodelist entry
 404  * @cmpl: completion routine to call when command completes
 405  *
 406  * This function is called for issuing a CT command.
 407  */
 408 static int
 409 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 410             struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 411             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 412                           struct lpfc_iocbq *),
 413             uint32_t rsp_size, uint8_t retry)
 414 {
 415         struct lpfc_hba  *phba = vport->phba;
 416         struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 417         struct lpfc_dmabuf *outmp;
 418         int cnt = 0, status;
 419         int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 420                 CommandResponse.bits.CmdRsp;
 421
 422         bpl++;                  /* Skip past ct request */
 423
 424         /* Put buffer(s) for ct rsp in bpl */
 425         outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 426         if (!outmp)
 427                 return -ENOMEM;
 428         /*
 429          * Form the CT IOCB.  The total number of BDEs in this IOCB
 430          * is the single command plus response count from
 431          * lpfc_alloc_ct_rsp.
 432          */
 433         cnt += 1;
 434         status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
 435                               cnt, 0, retry);
 436         if (status) {
 437                 lpfc_free_ct_rsp(phba, outmp);
 438                 return -ENOMEM;
 439         }
 440         return 0;
 441 }
 442
 443 struct lpfc_vport *
 444 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 445         struct lpfc_vport *vport_curr;
 446         unsigned long flags;
 447
 448         spin_lock_irqsave(&phba->hbalock, flags);
 449         list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 450                 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 451                         spin_unlock_irqrestore(&phba->hbalock, flags);
 452                         return vport_curr;
 453                 }
 454         }
 455         spin_unlock_irqrestore(&phba->hbalock, flags);
 456         return NULL;
 457 }
 458
 459 static void
 460 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 461 {
 462         struct lpfc_nodelist *ndlp;
 463
 464         if ((vport->port_type != LPFC_NPIV_PORT) ||
 465             !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
 466
 467                 ndlp = lpfc_setup_disc_node(vport, Did);
 468
 469                 if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 470                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 471                                 "Parse GID_FTrsp: did:x%x flg:x%x x%x",
 472                                 Did, ndlp->nlp_flag, vport->fc_flag);
 473
 474                         /* By default, the driver expects to support FCP FC4 */
 475                         if (fc4_type == FC_TYPE_FCP)
 476                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 477
 478                         if (fc4_type == FC_TYPE_NVME)
 479                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 480
 481                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 482                                          "0238 Process x%06x NameServer Rsp "
 483                                          "Data: x%x x%x x%x x%x\n", Did,
 484                                          ndlp->nlp_flag, ndlp->nlp_fc4_type,
 485                                          vport->fc_flag,
 486                                          vport->fc_rscn_id_cnt);
 487                 } else {
 488                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 489                                 "Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 490                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 491
 492                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 493                                          "0239 Skip x%06x NameServer Rsp "
 494                                          "Data: x%x x%x\n", Did,
 495                                          vport->fc_flag,
 496                                          vport->fc_rscn_id_cnt);
 497                 }
 498         } else {
 499                 if (!(vport->fc_flag & FC_RSCN_MODE) ||
 500                     lpfc_rscn_payload_check(vport, Did)) {
 501                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 502                                 "Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
 503                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 504
 505                         /*
 506                          * This NPortID was previously a FCP target,
 507                          * Don't even bother to send GFF_ID.
 508                          */
 509                         ndlp = lpfc_findnode_did(vport, Did);
 510                         if (ndlp && NLP_CHK_NODE_ACT(ndlp))
 511                                 ndlp->nlp_fc4_type = fc4_type;
 512
 513                         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 514                                 ndlp->nlp_fc4_type = fc4_type;
 515
 516                                 if (ndlp->nlp_type & NLP_FCP_TARGET)
 517                                         lpfc_setup_disc_node(vport, Did);
 518
 519                                 else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 520                                                         0, Did) == 0)
 521                                         vport->num_disc_nodes++;
 522
 523                                 else
 524                                         lpfc_setup_disc_node(vport, Did);
 525                         }
 526                 } else {
 527                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 528                                 "Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 529                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 530
 531                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 532                                          "0245 Skip x%06x NameServer Rsp "
 533                                          "Data: x%x x%x\n", Did,
 534                                          vport->fc_flag,
 535                                          vport->fc_rscn_id_cnt);
 536                 }
 537         }
 538 }
 539
 540 static int
 541 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
 542             uint32_t Size)
 543 {
 544         struct lpfc_hba  *phba = vport->phba;
 545         struct lpfc_sli_ct_request *Response =
 546                 (struct lpfc_sli_ct_request *) mp->virt;
 547         struct lpfc_nodelist *ndlp = NULL;
 548         struct lpfc_dmabuf *mlast, *next_mp;
 549         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 550         uint32_t Did, CTentry;
 551         int Cnt;
 552         struct list_head head;
 553
 554         lpfc_set_disctmo(vport);
 555         vport->num_disc_nodes = 0;
 556         vport->fc_ns_retry = 0;
 557
 558
 559         list_add_tail(&head, &mp->list);
 560         list_for_each_entry_safe(mp, next_mp, &head, list) {
 561                 mlast = mp;
 562
 563                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 564
 565                 Size -= Cnt;
 566
 567                 if (!ctptr) {
 568                         ctptr = (uint32_t *) mlast->virt;
 569                 } else
 570                         Cnt -= 16;      /* subtract length of CT header */
 571
 572                 /* Loop through entire NameServer list of DIDs */
 573                 while (Cnt >= sizeof(uint32_t)) {
 574                         /* Get next DID from NameServer List */
 575                         CTentry = *ctptr++;
 576                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 577
 578                         ndlp = NULL;
 579
 580                         /*
 581                          * Check for rscn processing or not
 582                          * To conserve rpi's, filter out addresses for other
 583                          * vports on the same physical HBAs.
 584                          */
 585                         if ((Did != vport->fc_myDID) &&
 586                             ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
 587                              vport->cfg_peer_port_login))
 588                                 lpfc_prep_node_fc4type(vport, Did, fc4_type);
 589
 590                         if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
 591                                 goto nsout1;
 592
 593                         Cnt -= sizeof(uint32_t);
 594                 }
 595                 ctptr = NULL;
 596
 597         }
 598
 599 nsout1:
 600         list_del(&head);
 601         return 0;
 602 }
 603
 604 static void
 605 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 606                         struct lpfc_iocbq *rspiocb)
 607 {
 608         struct lpfc_vport *vport = cmdiocb->vport;
 609         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 610         IOCB_t *irsp;
 611         struct lpfc_dmabuf *outp;
 612         struct lpfc_dmabuf *inp;
 613         struct lpfc_sli_ct_request *CTrsp;
 614         struct lpfc_sli_ct_request *CTreq;
 615         struct lpfc_nodelist *ndlp;
 616         int rc, type;
 617
 618         /* First save ndlp, before we overwrite it */
 619         ndlp = cmdiocb->context_un.ndlp;
 620
 621         /* we pass cmdiocb to state machine which needs rspiocb as well */
 622         cmdiocb->context_un.rsp_iocb = rspiocb;
 623         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 624         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 625         irsp = &rspiocb->iocb;
 626
 627         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 628                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 629                 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 630
 631         /* Don't bother processing response if vport is being torn down. */
 632         if (vport->load_flag & FC_UNLOADING) {
 633                 if (vport->fc_flag & FC_RSCN_MODE)
 634                         lpfc_els_flush_rscn(vport);
 635                 goto out;
 636         }
 637
 638         if (lpfc_els_chk_latt(vport)) {
 639                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 640                                  "0216 Link event during NS query\n");
 641                 if (vport->fc_flag & FC_RSCN_MODE)
 642                         lpfc_els_flush_rscn(vport);
 643                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 644                 goto out;
 645         }
 646         if (lpfc_error_lost_link(irsp)) {
 647                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 648                                  "0226 NS query failed due to link event\n");
 649                 if (vport->fc_flag & FC_RSCN_MODE)
 650                         lpfc_els_flush_rscn(vport);
 651                 goto out;
 652         }
 653         if (irsp->ulpStatus) {
 654                 /* Check for retry */
 655                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 656                         if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
 657                             (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
 658                             IOERR_NO_RESOURCES)
 659                                 vport->fc_ns_retry++;
 660
 661                         type = lpfc_get_gidft_type(vport, cmdiocb);
 662                         if (type == 0)
 663                                 goto out;
 664
 665                         /* CT command is being retried */
 666                         vport->gidft_inp--;
 667                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
 668                                          vport->fc_ns_retry, type);
 669                         if (rc == 0)
 670                                 goto out;
 671                 }
 672                 if (vport->fc_flag & FC_RSCN_MODE)
 673                         lpfc_els_flush_rscn(vport);
 674                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 675                 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 676                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
 677                                  irsp->ulpStatus, vport->fc_ns_retry);
 678         } else {
 679                 /* Good status, continue checking */
 680                 CTreq = (struct lpfc_sli_ct_request *) inp->virt;
 681                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 682                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 683                     cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
 684                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 685                                          "0208 NameServer Rsp Data: x%x x%x\n",
 686                                          vport->fc_flag,
 687                                          CTreq->un.gid.Fc4Type);
 688
 689                         lpfc_ns_rsp(vport,
 690                                     outp,
 691                                     CTreq->un.gid.Fc4Type,
 692                                     (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
 693                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 694                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 695                         /* NameServer Rsp Error */
 696                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 697                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 698                                 lpfc_printf_vlog(vport, KERN_INFO,
 699                                         LOG_DISCOVERY,
 700                                         "0269 No NameServer Entries "
 701                                         "Data: x%x x%x x%x x%x\n",
 702                                         CTrsp->CommandResponse.bits.CmdRsp,
 703                                         (uint32_t) CTrsp->ReasonCode,
 704                                         (uint32_t) CTrsp->Explanation,
 705                                         vport->fc_flag);
 706
 707                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 708                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
 709                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 710                                 (uint32_t) CTrsp->ReasonCode,
 711                                 (uint32_t) CTrsp->Explanation);
 712                         } else {
 713                                 lpfc_printf_vlog(vport, KERN_INFO,
 714                                         LOG_DISCOVERY,
 715                                         "0240 NameServer Rsp Error "
 716                                         "Data: x%x x%x x%x x%x\n",
 717                                         CTrsp->CommandResponse.bits.CmdRsp,
 718                                         (uint32_t) CTrsp->ReasonCode,
 719                                         (uint32_t) CTrsp->Explanation,
 720                                         vport->fc_flag);
 721
 722                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 723                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
 724                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 725                                 (uint32_t) CTrsp->ReasonCode,
 726                                 (uint32_t) CTrsp->Explanation);
 727                         }
 728
 729
 730                 } else {
 731                         /* NameServer Rsp Error */
 732                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 733                                         "0241 NameServer Rsp Error "
 734                                         "Data: x%x x%x x%x x%x\n",
 735                                         CTrsp->CommandResponse.bits.CmdRsp,
 736                                         (uint32_t) CTrsp->ReasonCode,
 737                                         (uint32_t) CTrsp->Explanation,
 738                                         vport->fc_flag);
 739
 740                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 741                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
 742                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 743                                 (uint32_t) CTrsp->ReasonCode,
 744                                 (uint32_t) CTrsp->Explanation);
 745                 }
 746                 vport->gidft_inp--;
 747         }
 748         /* Link up / RSCN discovery */
 749         if ((vport->num_disc_nodes == 0) &&
 750             (vport->gidft_inp == 0)) {
 751                 /*
 752                  * The driver has cycled through all Nports in the RSCN payload.
 753                  * Complete the handling by cleaning up and marking the
 754                  * current driver state.
 755                  */
 756                 if (vport->port_state >= LPFC_DISC_AUTH) {
 757                         if (vport->fc_flag & FC_RSCN_MODE) {
 758                                 lpfc_els_flush_rscn(vport);
 759                                 spin_lock_irq(shost->host_lock);
 760                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 761                                 spin_unlock_irq(shost->host_lock);
 762                         }
 763                         else
 764                                 lpfc_els_flush_rscn(vport);
 765                 }
 766
 767                 lpfc_disc_start(vport);
 768         }
 769 out:
 770         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 771         lpfc_ct_free_iocb(phba, cmdiocb);
 772         return;
 773 }
 774
 775 static void
 776 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 777                         struct lpfc_iocbq *rspiocb)
 778 {
 779         struct lpfc_vport *vport = cmdiocb->vport;
 780         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 781         IOCB_t *irsp = &rspiocb->iocb;
 782         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 783         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 784         struct lpfc_sli_ct_request *CTrsp;
 785         int did, rc, retry;
 786         uint8_t fbits;
 787         struct lpfc_nodelist *ndlp;
 788
 789         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
 790         did = be32_to_cpu(did);
 791
 792         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 793                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
 794                 irsp->ulpStatus, irsp->un.ulpWord[4], did);
 795
 796         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 797                 /* Good status, continue checking */
 798                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 799                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
 800
 801                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 802                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 803                         if ((fbits & FC4_FEATURE_INIT) &&
 804                             !(fbits & FC4_FEATURE_TARGET)) {
 805                                 lpfc_printf_vlog(vport, KERN_INFO,
 806                                                  LOG_DISCOVERY,
 807                                                  "0270 Skip x%x GFF "
 808                                                  "NameServer Rsp Data: (init) "
 809                                                  "x%x x%x\n", did, fbits,
 810                                                  vport->fc_rscn_id_cnt);
 811                                 goto out;
 812                         }
 813                 }
 814         }
 815         else {
 816                 /* Check for retry */
 817                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
 818                         retry = 1;
 819                         if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
 820                                 switch ((irsp->un.ulpWord[4] &
 821                                         IOERR_PARAM_MASK)) {
 822
 823                                 case IOERR_NO_RESOURCES:
 824                                         /* We don't increment the retry
 825                                          * count for this case.
 826                                          */
 827                                         break;
 828                                 case IOERR_LINK_DOWN:
 829                                 case IOERR_SLI_ABORTED:
 830                                 case IOERR_SLI_DOWN:
 831                                         retry = 0;
 832                                         break;
 833                                 default:
 834                                         cmdiocb->retry++;
 835                                 }
 836                         }
 837                         else
 838                                 cmdiocb->retry++;
 839
 840                         if (retry) {
 841                                 /* CT command is being retried */
 842                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 843                                          cmdiocb->retry, did);
 844                                 if (rc == 0) {
 845                                         /* success */
 846                                         lpfc_ct_free_iocb(phba, cmdiocb);
 847                                         return;
 848                                 }
 849                         }
 850                 }
 851                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 852                                  "0267 NameServer GFF Rsp "
 853                                  "x%x Error (%d %d) Data: x%x x%x\n",
 854                                  did, irsp->ulpStatus, irsp->un.ulpWord[4],
 855                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 856         }
 857
 858         /* This is a target port, unregistered port, or the GFF_ID failed */
 859         ndlp = lpfc_setup_disc_node(vport, did);
 860         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 861                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 862                                  "0242 Process x%x GFF "
 863                                  "NameServer Rsp Data: x%x x%x x%x\n",
 864                                  did, ndlp->nlp_flag, vport->fc_flag,
 865                                  vport->fc_rscn_id_cnt);
 866         } else {
 867                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 868                                  "0243 Skip x%x GFF "
 869                                  "NameServer Rsp Data: x%x x%x\n", did,
 870                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 871         }
 872 out:
 873         /* Link up / RSCN discovery */
 874         if (vport->num_disc_nodes)
 875                 vport->num_disc_nodes--;
 876         if (vport->num_disc_nodes == 0) {
 877                 /*
 878                  * The driver has cycled through all Nports in the RSCN payload.
 879                  * Complete the handling by cleaning up and marking the
 880                  * current driver state.
 881                  */
 882                 if (vport->port_state >= LPFC_DISC_AUTH) {
 883                         if (vport->fc_flag & FC_RSCN_MODE) {
 884                                 lpfc_els_flush_rscn(vport);
 885                                 spin_lock_irq(shost->host_lock);
 886                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 887                                 spin_unlock_irq(shost->host_lock);
 888                         }
 889                         else
 890                                 lpfc_els_flush_rscn(vport);
 891                 }
 892                 lpfc_disc_start(vport);
 893         }
 894         lpfc_ct_free_iocb(phba, cmdiocb);
 895         return;
 896 }
 897
 898 static void
 899 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 900                                 struct lpfc_iocbq *rspiocb)
 901 {
 902         struct lpfc_vport *vport = cmdiocb->vport;
 903         IOCB_t *irsp = &rspiocb->iocb;
 904         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
 905         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
 906         struct lpfc_sli_ct_request *CTrsp;
 907         int did;
 908         struct lpfc_nodelist *ndlp;
 909         uint32_t fc4_data_0, fc4_data_1;
 910
 911         did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
 912         did = be32_to_cpu(did);
 913
 914         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 915                               "GFT_ID cmpl: status:x%x/x%x did:x%x",
 916                               irsp->ulpStatus, irsp->un.ulpWord[4], did);
 917
 918         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 919                 /* Good status, continue checking */
 920                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
 921                 fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
 922                 fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
 923                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 924                                  "3062 DID x%06x GFT Wd0 x%08x Wd1 x%08x\n",
 925                                  did, fc4_data_0, fc4_data_1);
 926
 927                 ndlp = lpfc_findnode_did(vport, did);
 928                 if (ndlp) {
 929                         /* The bitmask value for FCP and NVME FCP types is
 930                          * the same because they are 32 bits distant from
 931                          * each other in word0 and word0.
 932                          */
 933                         if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
 934                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 935                         if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
 936                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 937                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 938                                          "3064 Setting ndlp %p, DID x%06x with "
 939                                          "FC4 x%08x, Data: x%08x x%08x\n",
 940                                          ndlp, did, ndlp->nlp_fc4_type,
 941                                          FC_TYPE_FCP, FC_TYPE_NVME);
 942                         ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
 943                 }
 944                 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
 945                 lpfc_issue_els_prli(vport, ndlp, 0);
 946         } else
 947                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 948                                  "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
 949
 950         lpfc_ct_free_iocb(phba, cmdiocb);
 951 }
 952
 953 static void
 954 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 955              struct lpfc_iocbq *rspiocb)
 956 {
 957         struct lpfc_vport *vport = cmdiocb->vport;
 958         struct lpfc_dmabuf *inp;
 959         struct lpfc_dmabuf *outp;
 960         IOCB_t *irsp;
 961         struct lpfc_sli_ct_request *CTrsp;
 962         struct lpfc_nodelist *ndlp;
 963         int cmdcode, rc;
 964         uint8_t retry;
 965         uint32_t latt;
 966
 967         /* First save ndlp, before we overwrite it */
 968         ndlp = cmdiocb->context_un.ndlp;
 969
 970         /* we pass cmdiocb to state machine which needs rspiocb as well */
 971         cmdiocb->context_un.rsp_iocb = rspiocb;
 972
 973         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 974         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 975         irsp = &rspiocb->iocb;
 976
 977         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
 978                                         CommandResponse.bits.CmdRsp);
 979         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 980
 981         latt = lpfc_els_chk_latt(vport);
 982
 983         /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
 984         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 985                          "0209 CT Request completes, latt %d, "
 986                          "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
 987                          latt, irsp->ulpStatus,
 988                          CTrsp->CommandResponse.bits.CmdRsp,
 989                          cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
 990
 991         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 992                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
 993                 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
 994
 995         if (irsp->ulpStatus) {
 996                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 997                                  "0268 NS cmd x%x Error (x%x x%x)\n",
 998                                  cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
 999
1000                 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1001                         (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1002                           IOERR_SLI_DOWN) ||
1003                          ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1004                           IOERR_SLI_ABORTED)))
1005                         goto out;
1006
1007                 retry = cmdiocb->retry;
1008                 if (retry >= LPFC_MAX_NS_RETRY)
1009                         goto out;
1010
1011                 retry++;
1012                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1013                                  "0250 Retrying NS cmd %x\n", cmdcode);
1014                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1015                 if (rc == 0)
1016                         goto out;
1017         }
1018
1019 out:
1020         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1021         lpfc_ct_free_iocb(phba, cmdiocb);
1022         return;
1023 }
1024
1025 static void
1026 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1027                         struct lpfc_iocbq *rspiocb)
1028 {
1029         IOCB_t *irsp = &rspiocb->iocb;
1030         struct lpfc_vport *vport = cmdiocb->vport;
1031
1032         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1033                 struct lpfc_dmabuf *outp;
1034                 struct lpfc_sli_ct_request *CTrsp;
1035
1036                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1037                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1038                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1039                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1040                         vport->ct_flags |= FC_CT_RFT_ID;
1041         }
1042         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1043         return;
1044 }
1045
1046 static void
1047 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1048                         struct lpfc_iocbq *rspiocb)
1049 {
1050         IOCB_t *irsp = &rspiocb->iocb;
1051         struct lpfc_vport *vport = cmdiocb->vport;
1052
1053         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1054                 struct lpfc_dmabuf *outp;
1055                 struct lpfc_sli_ct_request *CTrsp;
1056
1057                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1058                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1059                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1060                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1061                         vport->ct_flags |= FC_CT_RNN_ID;
1062         }
1063         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1064         return;
1065 }
1066
1067 static void
1068 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1069                          struct lpfc_iocbq *rspiocb)
1070 {
1071         IOCB_t *irsp = &rspiocb->iocb;
1072         struct lpfc_vport *vport = cmdiocb->vport;
1073
1074         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1075                 struct lpfc_dmabuf *outp;
1076                 struct lpfc_sli_ct_request *CTrsp;
1077
1078                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1079                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1080                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1081                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1082                         vport->ct_flags |= FC_CT_RSPN_ID;
1083         }
1084         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1085         return;
1086 }
1087
1088 static void
1089 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1090                          struct lpfc_iocbq *rspiocb)
1091 {
1092         IOCB_t *irsp = &rspiocb->iocb;
1093         struct lpfc_vport *vport = cmdiocb->vport;
1094
1095         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1096                 struct lpfc_dmabuf *outp;
1097                 struct lpfc_sli_ct_request *CTrsp;
1098
1099                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1100                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1101                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1102                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1103                         vport->ct_flags |= FC_CT_RSNN_NN;
1104         }
1105         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1106         return;
1107 }
1108
1109 static void
1110 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1111  struct lpfc_iocbq *rspiocb)
1112 {
1113         struct lpfc_vport *vport = cmdiocb->vport;
1114
1115         /* even if it fails we will act as though it succeeded. */
1116         vport->ct_flags = 0;
1117         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1118         return;
1119 }
1120
1121 static void
1122 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1123                         struct lpfc_iocbq *rspiocb)
1124 {
1125         IOCB_t *irsp = &rspiocb->iocb;
1126         struct lpfc_vport *vport = cmdiocb->vport;
1127
1128         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1129                 struct lpfc_dmabuf *outp;
1130                 struct lpfc_sli_ct_request *CTrsp;
1131
1132                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1133                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1134                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1135                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1136                         vport->ct_flags |= FC_CT_RFF_ID;
1137         }
1138         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1139         return;
1140 }
1141
1142 /*
1143  * Although the symbolic port name is thought to be an integer
1144  * as of January 18, 2016, leave it as a string until more of
1145  * the record state becomes defined.
1146  */
1147 int
1148 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1149         size_t size)
1150 {
1151         int n;
1152
1153         /*
1154          * Use the lpfc board number as the Symbolic Port
1155          * Name object.  NPIV is not in play so this integer
1156          * value is sufficient and unique per FC-ID.
1157          */
1158         n = snprintf(symbol, size, "%d", vport->phba->brd_no);
1159         return n;
1160 }
1161
1162
1163 int
1164 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1165         size_t size)
1166 {
1167         char fwrev[FW_REV_STR_SIZE];
1168         int n;
1169
1170         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1171
1172         n = snprintf(symbol, size, "Emulex %s", vport->phba->ModelName);
1173         if (size < n)
1174                 return n;
1175
1176         n += snprintf(symbol + n, size - n, " FV%s", fwrev);
1177         if (size < n)
1178                 return n;
1179
1180         n += snprintf(symbol + n, size - n, " DV%s.",
1181                       lpfc_release_version);
1182         if (size < n)
1183                 return n;
1184
1185         n += snprintf(symbol + n, size - n, " HN:%s.",
1186                       init_utsname()->nodename);
1187         if (size < n)
1188                 return n;
1189
1190         /* Note :- OS name is "Linux" */
1191         n += snprintf(symbol + n, size - n, " OS:%s\n",
1192                       init_utsname()->sysname);
1193         return n;
1194 }
1195
1196 static uint32_t
1197 lpfc_find_map_node(struct lpfc_vport *vport)
1198 {
1199         struct lpfc_nodelist *ndlp, *next_ndlp;
1200         struct Scsi_Host  *shost;
1201         uint32_t cnt = 0;
1202
1203         shost = lpfc_shost_from_vport(vport);
1204         spin_lock_irq(shost->host_lock);
1205         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1206                 if (ndlp->nlp_type & NLP_FABRIC)
1207                         continue;
1208                 if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1209                     (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1210                         cnt++;
1211         }
1212         spin_unlock_irq(shost->host_lock);
1213         return cnt;
1214 }
1215
1216 /*
1217  * This routine will return the FC4 Type associated with the CT
1218  * GID_FT command.
1219  */
1220 int
1221 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1222 {
1223         struct lpfc_sli_ct_request *CtReq;
1224         struct lpfc_dmabuf *mp;
1225         uint32_t type;
1226
1227         mp = cmdiocb->context1;
1228         if (mp == NULL)
1229                 return 0;
1230         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1231         type = (uint32_t)CtReq->un.gid.Fc4Type;
1232         if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1233                 return 0;
1234         return type;
1235 }
1236
1237 /*
1238  * lpfc_ns_cmd
1239  * Description:
1240  *    Issue Cmd to NameServer
1241  *       SLI_CTNS_GID_FT
1242  *       LI_CTNS_RFT_ID
1243  */
1244 int
1245 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1246             uint8_t retry, uint32_t context)
1247 {
1248         struct lpfc_nodelist * ndlp;
1249         struct lpfc_hba *phba = vport->phba;
1250         struct lpfc_dmabuf *mp, *bmp;
1251         struct lpfc_sli_ct_request *CtReq;
1252         struct ulp_bde64 *bpl;
1253         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1254                       struct lpfc_iocbq *) = NULL;
1255         uint32_t rsp_size = 1024;
1256         size_t   size;
1257         int rc = 0;
1258
1259         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1260         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1261             || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1262                 rc=1;
1263                 goto ns_cmd_exit;
1264         }
1265
1266         /* fill in BDEs for command */
1267         /* Allocate buffer for command payload */
1268         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1269         if (!mp) {
1270                 rc=2;
1271                 goto ns_cmd_exit;
1272         }
1273
1274         INIT_LIST_HEAD(&mp->list);
1275         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1276         if (!mp->virt) {
1277                 rc=3;
1278                 goto ns_cmd_free_mp;
1279         }
1280
1281         /* Allocate buffer for Buffer ptr list */
1282         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1283         if (!bmp) {
1284                 rc=4;
1285                 goto ns_cmd_free_mpvirt;
1286         }
1287
1288         INIT_LIST_HEAD(&bmp->list);
1289         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1290         if (!bmp->virt) {
1291                 rc=5;
1292                 goto ns_cmd_free_bmp;
1293         }
1294
1295         /* NameServer Req */
1296         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1297                          "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1298                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1299                          context);
1300
1301         bpl = (struct ulp_bde64 *) bmp->virt;
1302         memset(bpl, 0, sizeof(struct ulp_bde64));
1303         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1304         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1305         bpl->tus.f.bdeFlags = 0;
1306         if (cmdcode == SLI_CTNS_GID_FT)
1307                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1308         else if (cmdcode == SLI_CTNS_GFF_ID)
1309                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1310         else if (cmdcode == SLI_CTNS_GFT_ID)
1311                 bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1312         else if (cmdcode == SLI_CTNS_RFT_ID)
1313                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1314         else if (cmdcode == SLI_CTNS_RNN_ID)
1315                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1316         else if (cmdcode == SLI_CTNS_RSPN_ID)
1317                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1318         else if (cmdcode == SLI_CTNS_RSNN_NN)
1319                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1320         else if (cmdcode == SLI_CTNS_DA_ID)
1321                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1322         else if (cmdcode == SLI_CTNS_RFF_ID)
1323                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1324         else
1325                 bpl->tus.f.bdeSize = 0;
1326         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1327
1328         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1329         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1330         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1331         CtReq->RevisionId.bits.InId = 0;
1332         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1333         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1334         CtReq->CommandResponse.bits.Size = 0;
1335         switch (cmdcode) {
1336         case SLI_CTNS_GID_FT:
1337                 CtReq->CommandResponse.bits.CmdRsp =
1338                     cpu_to_be16(SLI_CTNS_GID_FT);
1339                 CtReq->un.gid.Fc4Type = context;
1340
1341                 if (vport->port_state < LPFC_NS_QRY)
1342                         vport->port_state = LPFC_NS_QRY;
1343                 lpfc_set_disctmo(vport);
1344                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1345                 rsp_size = FC_MAX_NS_RSP;
1346                 break;
1347
1348         case SLI_CTNS_GFF_ID:
1349                 CtReq->CommandResponse.bits.CmdRsp =
1350                         cpu_to_be16(SLI_CTNS_GFF_ID);
1351                 CtReq->un.gff.PortId = cpu_to_be32(context);
1352                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
1353                 break;
1354
1355         case SLI_CTNS_GFT_ID:
1356                 CtReq->CommandResponse.bits.CmdRsp =
1357                         cpu_to_be16(SLI_CTNS_GFT_ID);
1358                 CtReq->un.gft.PortId = cpu_to_be32(context);
1359                 cmpl = lpfc_cmpl_ct_cmd_gft_id;
1360                 break;
1361
1362         case SLI_CTNS_RFT_ID:
1363                 vport->ct_flags &= ~FC_CT_RFT_ID;
1364                 CtReq->CommandResponse.bits.CmdRsp =
1365                     cpu_to_be16(SLI_CTNS_RFT_ID);
1366                 CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1367
1368                 /* Register FC4 FCP type if enabled.  */
1369                 if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1370                     (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP))
1371                         CtReq->un.rft.fcpReg = 1;
1372
1373                 /* Register NVME type if enabled.  Defined LE and swapped.
1374                  * rsvd[0] is used as word1 because of the hard-coded
1375                  * word0 usage in the ct_request data structure.
1376                  */
1377                 if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1378                     (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME))
1379                         CtReq->un.rft.rsvd[0] = cpu_to_be32(0x00000100);
1380
1381                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
1382                 break;
1383
1384         case SLI_CTNS_RNN_ID:
1385                 vport->ct_flags &= ~FC_CT_RNN_ID;
1386                 CtReq->CommandResponse.bits.CmdRsp =
1387                     cpu_to_be16(SLI_CTNS_RNN_ID);
1388                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1389                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1390                        sizeof(struct lpfc_name));
1391                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1392                 break;
1393
1394         case SLI_CTNS_RSPN_ID:
1395                 vport->ct_flags &= ~FC_CT_RSPN_ID;
1396                 CtReq->CommandResponse.bits.CmdRsp =
1397                     cpu_to_be16(SLI_CTNS_RSPN_ID);
1398                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1399                 size = sizeof(CtReq->un.rspn.symbname);
1400                 CtReq->un.rspn.len =
1401                         lpfc_vport_symbolic_port_name(vport,
1402                         CtReq->un.rspn.symbname, size);
1403                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1404                 break;
1405         case SLI_CTNS_RSNN_NN:
1406                 vport->ct_flags &= ~FC_CT_RSNN_NN;
1407                 CtReq->CommandResponse.bits.CmdRsp =
1408                     cpu_to_be16(SLI_CTNS_RSNN_NN);
1409                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1410                        sizeof(struct lpfc_name));
1411                 size = sizeof(CtReq->un.rsnn.symbname);
1412                 CtReq->un.rsnn.len =
1413                         lpfc_vport_symbolic_node_name(vport,
1414                         CtReq->un.rsnn.symbname, size);
1415                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1416                 break;
1417         case SLI_CTNS_DA_ID:
1418                 /* Implement DA_ID Nameserver request */
1419                 CtReq->CommandResponse.bits.CmdRsp =
1420                         cpu_to_be16(SLI_CTNS_DA_ID);
1421                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1422                 cmpl = lpfc_cmpl_ct_cmd_da_id;
1423                 break;
1424         case SLI_CTNS_RFF_ID:
1425                 vport->ct_flags &= ~FC_CT_RFF_ID;
1426                 CtReq->CommandResponse.bits.CmdRsp =
1427                     cpu_to_be16(SLI_CTNS_RFF_ID);
1428                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1429                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1430
1431                 /* The driver always supports FC_TYPE_FCP.  However, the
1432                  * caller can specify NVME (type x28) as well.  But only
1433                  * these that FC4 type is supported.
1434                  */
1435                 if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1436                      (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
1437                     (context == FC_TYPE_NVME)) {
1438                         if ((vport == phba->pport) && phba->nvmet_support) {
1439                                 CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
1440                                         FC4_FEATURE_NVME_DISC);
1441                                 lpfc_nvmet_update_targetport(phba);
1442                         } else {
1443                                 lpfc_nvme_update_localport(vport);
1444                         }
1445                         CtReq->un.rff.type_code = context;
1446
1447                 } else if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1448                             (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
1449                            (context == FC_TYPE_FCP))
1450                         CtReq->un.rff.type_code = context;
1451
1452                 else
1453                         goto ns_cmd_free_bmpvirt;
1454
1455                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
1456                 break;
1457         }
1458         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1459          * to hold ndlp reference for the corresponding callback function.
1460          */
1461         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1462                 /* On success, The cmpl function will free the buffers */
1463                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1464                         "Issue CT cmd:    cmd:x%x did:x%x",
1465                         cmdcode, ndlp->nlp_DID, 0);
1466                 return 0;
1467         }
1468         rc=6;
1469
1470         /* Decrement ndlp reference count to release ndlp reference held
1471          * for the failed command's callback function.
1472          */
1473         lpfc_nlp_put(ndlp);
1474
1475 ns_cmd_free_bmpvirt:
1476         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1477 ns_cmd_free_bmp:
1478         kfree(bmp);
1479 ns_cmd_free_mpvirt:
1480         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1481 ns_cmd_free_mp:
1482         kfree(mp);
1483 ns_cmd_exit:
1484         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1485                          "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1486                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1487         return 1;
1488 }
1489
1490 /**
1491  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
1492  * @phba: Pointer to HBA context object.
1493  * @cmdiocb: Pointer to the command IOCBQ.
1494  * @rspiocb: Pointer to the response IOCBQ.
1495  *
1496  * This function to handle the completion of a driver initiated FDMI
1497  * CT command issued during discovery.
1498  */
1499 static void
1500 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1501                        struct lpfc_iocbq *rspiocb)
1502 {
1503         struct lpfc_vport *vport = cmdiocb->vport;
1504         struct lpfc_dmabuf *inp = cmdiocb->context1;
1505         struct lpfc_dmabuf *outp = cmdiocb->context2;
1506         struct lpfc_sli_ct_request *CTcmd = inp->virt;
1507         struct lpfc_sli_ct_request *CTrsp = outp->virt;
1508         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1509         uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1510         IOCB_t *irsp = &rspiocb->iocb;
1511         struct lpfc_nodelist *ndlp;
1512         uint32_t latt, cmd, err;
1513
1514         latt = lpfc_els_chk_latt(vport);
1515         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1516                 "FDMI cmpl:       status:x%x/x%x latt:%d",
1517                 irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1518
1519         if (latt || irsp->ulpStatus) {
1520
1521                 /* Look for a retryable error */
1522                 if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1523                         switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) {
1524                         case IOERR_SLI_ABORTED:
1525                         case IOERR_ABORT_IN_PROGRESS:
1526                         case IOERR_SEQUENCE_TIMEOUT:
1527                         case IOERR_ILLEGAL_FRAME:
1528                         case IOERR_NO_RESOURCES:
1529                         case IOERR_ILLEGAL_COMMAND:
1530                                 cmdiocb->retry++;
1531                                 if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
1532                                         break;
1533
1534                                 /* Retry the same FDMI command */
1535                                 err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
1536                                                           cmdiocb, 0);
1537                                 if (err == IOCB_ERROR)
1538                                         break;
1539                                 return;
1540                         default:
1541                                 break;
1542                         }
1543                 }
1544
1545                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1546                                  "0229 FDMI cmd %04x failed, latt = %d "
1547                                  "ulpStatus: x%x, rid x%x\n",
1548                                  be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1549                                  irsp->un.ulpWord[4]);
1550         }
1551         lpfc_ct_free_iocb(phba, cmdiocb);
1552
1553         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1554         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1555                 return;
1556
1557         /* Check for a CT LS_RJT response */
1558         cmd =  be16_to_cpu(fdmi_cmd);
1559         if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
1560                 /* FDMI rsp failed */
1561                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1562                                  "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
1563
1564                 /* Should we fallback to FDMI-2 / FDMI-1 ? */
1565                 switch (cmd) {
1566                 case SLI_MGMT_RHBA:
1567                         if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
1568                                 /* Fallback to FDMI-1 */
1569                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1570                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1571                                 /* Start over */
1572                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1573                         }
1574                         return;
1575
1576                 case SLI_MGMT_RPRT:
1577                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1578                                 /* Fallback to FDMI-1 */
1579                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1580                                 /* Start over */
1581                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1582                         }
1583                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1584                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1585                                 /* Retry the same command */
1586                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1587                         }
1588                         return;
1589
1590                 case SLI_MGMT_RPA:
1591                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1592                                 /* Fallback to FDMI-1 */
1593                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1594                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1595                                 /* Start over */
1596                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1597                         }
1598                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1599                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1600                                 /* Retry the same command */
1601                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1602                         }
1603                         return;
1604                 }
1605         }
1606
1607         /*
1608          * On success, need to cycle thru FDMI registration for discovery
1609          * DHBA -> DPRT -> RHBA -> RPA  (physical port)
1610          * DPRT -> RPRT (vports)
1611          */
1612         switch (cmd) {
1613         case SLI_MGMT_RHBA:
1614                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
1615                 break;
1616
1617         case SLI_MGMT_DHBA:
1618                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
1619                 break;
1620
1621         case SLI_MGMT_DPRT:
1622                 if (vport->port_type == LPFC_PHYSICAL_PORT)
1623                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
1624                 else
1625                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
1626                 break;
1627         }
1628         return;
1629 }
1630
1631
1632 /**
1633  * lpfc_fdmi_num_disc_check - Check how many mapped NPorts we are connected to
1634  * @vport: pointer to a host virtual N_Port data structure.
1635  *
1636  * Called from hbeat timeout routine to check if the number of discovered
1637  * ports has changed. If so, re-register thar port Attribute.
1638  */
1639 void
1640 lpfc_fdmi_num_disc_check(struct lpfc_vport *vport)
1641 {
1642         struct lpfc_hba *phba = vport->phba;
1643         struct lpfc_nodelist *ndlp;
1644         uint16_t cnt;
1645
1646         if (!lpfc_is_link_up(phba))
1647                 return;
1648
1649         /* Must be connected to a Fabric */
1650         if (!(vport->fc_flag & FC_FABRIC))
1651                 return;
1652
1653         if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
1654                 return;
1655
1656         cnt = lpfc_find_map_node(vport);
1657         if (cnt == vport->fdmi_num_disc)
1658                 return;
1659
1660         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1661         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1662                 return;
1663
1664         if (vport->port_type == LPFC_PHYSICAL_PORT) {
1665                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
1666                               LPFC_FDMI_PORT_ATTR_num_disc);
1667         } else {
1668                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
1669                               LPFC_FDMI_PORT_ATTR_num_disc);
1670         }
1671 }
1672
1673 /* Routines for all individual HBA attributes */
1674 static int
1675 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
1676 {
1677         struct lpfc_fdmi_attr_entry *ae;
1678         uint32_t size;
1679
1680         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1681         memset(ae, 0, sizeof(struct lpfc_name));
1682
1683         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
1684                sizeof(struct lpfc_name));
1685         size = FOURBYTES + sizeof(struct lpfc_name);
1686         ad->AttrLen = cpu_to_be16(size);
1687         ad->AttrType = cpu_to_be16(RHBA_NODENAME);
1688         return size;
1689 }
1690 static int
1691 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
1692                                 struct lpfc_fdmi_attr_def *ad)
1693 {
1694         struct lpfc_fdmi_attr_entry *ae;
1695         uint32_t len, size;
1696
1697         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1698         memset(ae, 0, 256);
1699
1700         strncpy(ae->un.AttrString,
1701                 "Emulex Corporation",
1702                        sizeof(ae->un.AttrString));
1703         len = strnlen(ae->un.AttrString,
1704                           sizeof(ae->un.AttrString));
1705         len += (len & 3) ? (4 - (len & 3)) : 4;
1706         size = FOURBYTES + len;
1707         ad->AttrLen = cpu_to_be16(size);
1708         ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
1709         return size;
1710 }
1711
1712 static int
1713 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
1714 {
1715         struct lpfc_hba *phba = vport->phba;
1716         struct lpfc_fdmi_attr_entry *ae;
1717         uint32_t len, size;
1718
1719         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1720         memset(ae, 0, 256);
1721
1722         strncpy(ae->un.AttrString, phba->SerialNumber,
1723                 sizeof(ae->un.AttrString));
1724         len = strnlen(ae->un.AttrString,
1725                           sizeof(ae->un.AttrString));
1726         len += (len & 3) ? (4 - (len & 3)) : 4;
1727         size = FOURBYTES + len;
1728         ad->AttrLen = cpu_to_be16(size);
1729         ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
1730         return size;
1731 }
1732
1733 static int
1734 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
1735                          struct lpfc_fdmi_attr_def *ad)
1736 {
1737         struct lpfc_hba *phba = vport->phba;
1738         struct lpfc_fdmi_attr_entry *ae;
1739         uint32_t len, size;
1740
1741         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1742         memset(ae, 0, 256);
1743
1744         strncpy(ae->un.AttrString, phba->ModelName,
1745                 sizeof(ae->un.AttrString));
1746         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
1747         len += (len & 3) ? (4 - (len & 3)) : 4;
1748         size = FOURBYTES + len;
1749         ad->AttrLen = cpu_to_be16(size);
1750         ad->AttrType = cpu_to_be16(RHBA_MODEL);
1751         return size;
1752 }
1753
1754 static int
1755 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
1756                                struct lpfc_fdmi_attr_def *ad)
1757 {
1758         struct lpfc_hba *phba = vport->phba;
1759         struct lpfc_fdmi_attr_entry *ae;
1760         uint32_t len, size;
1761
1762         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1763         memset(ae, 0, 256);
1764
1765         strncpy(ae->un.AttrString, phba->ModelDesc,
1766                 sizeof(ae->un.AttrString));
1767         len = strnlen(ae->un.AttrString,
1768                                   sizeof(ae->un.AttrString));
1769         len += (len & 3) ? (4 - (len & 3)) : 4;
1770         size = FOURBYTES + len;
1771         ad->AttrLen = cpu_to_be16(size);
1772         ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
1773         return size;
1774 }
1775
1776 static int
1777 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
1778                            struct lpfc_fdmi_attr_def *ad)
1779 {
1780         struct lpfc_hba *phba = vport->phba;
1781         lpfc_vpd_t *vp = &phba->vpd;
1782         struct lpfc_fdmi_attr_entry *ae;
1783         uint32_t i, j, incr, size;
1784
1785         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1786         memset(ae, 0, 256);
1787
1788         /* Convert JEDEC ID to ascii for hardware version */
1789         incr = vp->rev.biuRev;
1790         for (i = 0; i < 8; i++) {
1791                 j = (incr & 0xf);
1792                 if (j <= 9)
1793                         ae->un.AttrString[7 - i] =
1794                             (char)((uint8_t) 0x30 +
1795                                    (uint8_t) j);
1796                 else
1797                         ae->un.AttrString[7 - i] =
1798                             (char)((uint8_t) 0x61 +
1799                                    (uint8_t) (j - 10));
1800                 incr = (incr >> 4);
1801         }
1802         size = FOURBYTES + 8;
1803         ad->AttrLen = cpu_to_be16(size);
1804         ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
1805         return size;
1806 }
1807
1808 static int
1809 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
1810                             struct lpfc_fdmi_attr_def *ad)
1811 {
1812         struct lpfc_fdmi_attr_entry *ae;
1813         uint32_t len, size;
1814
1815         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1816         memset(ae, 0, 256);
1817
1818         strncpy(ae->un.AttrString, lpfc_release_version,
1819                 sizeof(ae->un.AttrString));
1820         len = strnlen(ae->un.AttrString,
1821                           sizeof(ae->un.AttrString));
1822         len += (len & 3) ? (4 - (len & 3)) : 4;
1823         size = FOURBYTES + len;
1824         ad->AttrLen = cpu_to_be16(size);
1825         ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
1826         return size;
1827 }
1828
1829 static int
1830 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
1831                            struct lpfc_fdmi_attr_def *ad)
1832 {
1833         struct lpfc_hba *phba = vport->phba;
1834         struct lpfc_fdmi_attr_entry *ae;
1835         uint32_t len, size;
1836
1837         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1838         memset(ae, 0, 256);
1839
1840         if (phba->sli_rev == LPFC_SLI_REV4)
1841                 lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
1842         else
1843                 strncpy(ae->un.AttrString, phba->OptionROMVersion,
1844                         sizeof(ae->un.AttrString));
1845         len = strnlen(ae->un.AttrString,
1846                           sizeof(ae->un.AttrString));
1847         len += (len & 3) ? (4 - (len & 3)) : 4;
1848         size = FOURBYTES + len;
1849         ad->AttrLen = cpu_to_be16(size);
1850         ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
1851         return size;
1852 }
1853
1854 static int
1855 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
1856                            struct lpfc_fdmi_attr_def *ad)
1857 {
1858         struct lpfc_hba *phba = vport->phba;
1859         struct lpfc_fdmi_attr_entry *ae;
1860         uint32_t len, size;
1861
1862         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1863         memset(ae, 0, 256);
1864
1865         lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
1866         len = strnlen(ae->un.AttrString,
1867                           sizeof(ae->un.AttrString));
1868         len += (len & 3) ? (4 - (len & 3)) : 4;
1869         size = FOURBYTES + len;
1870         ad->AttrLen = cpu_to_be16(size);
1871         ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
1872         return size;
1873 }
1874
1875 static int
1876 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
1877                           struct lpfc_fdmi_attr_def *ad)
1878 {
1879         struct lpfc_fdmi_attr_entry *ae;
1880         uint32_t len, size;
1881
1882         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1883         memset(ae, 0, 256);
1884
1885         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
1886                  init_utsname()->sysname,
1887                  init_utsname()->release,
1888                  init_utsname()->version);
1889
1890         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
1891         len += (len & 3) ? (4 - (len & 3)) : 4;
1892         size = FOURBYTES + len;
1893         ad->AttrLen = cpu_to_be16(size);
1894         ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
1895         return size;
1896 }
1897
1898 static int
1899 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
1900                           struct lpfc_fdmi_attr_def *ad)
1901 {
1902         struct lpfc_fdmi_attr_entry *ae;
1903         uint32_t size;
1904
1905         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1906
1907         ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
1908         size = FOURBYTES + sizeof(uint32_t);
1909         ad->AttrLen = cpu_to_be16(size);
1910         ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
1911         return size;
1912 }
1913
1914 static int
1915 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
1916                                  struct lpfc_fdmi_attr_def *ad)
1917 {
1918         struct lpfc_fdmi_attr_entry *ae;
1919         uint32_t len, size;
1920
1921         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1922         memset(ae, 0, 256);
1923
1924         len = lpfc_vport_symbolic_node_name(vport,
1925                                 ae->un.AttrString, 256);
1926         len += (len & 3) ? (4 - (len & 3)) : 4;
1927         size = FOURBYTES + len;
1928         ad->AttrLen = cpu_to_be16(size);
1929         ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
1930         return size;
1931 }
1932
1933 static int
1934 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
1935                                struct lpfc_fdmi_attr_def *ad)
1936 {
1937         struct lpfc_fdmi_attr_entry *ae;
1938         uint32_t size;
1939
1940         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1941
1942         /* Nothing is defined for this currently */
1943         ae->un.AttrInt =  cpu_to_be32(0);
1944         size = FOURBYTES + sizeof(uint32_t);
1945         ad->AttrLen = cpu_to_be16(size);
1946         ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
1947         return size;
1948 }
1949
1950 static int
1951 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
1952                              struct lpfc_fdmi_attr_def *ad)
1953 {
1954         struct lpfc_fdmi_attr_entry *ae;
1955         uint32_t size;
1956
1957         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1958
1959         /* Each driver instance corresponds to a single port */
1960         ae->un.AttrInt =  cpu_to_be32(1);
1961         size = FOURBYTES + sizeof(uint32_t);
1962         ad->AttrLen = cpu_to_be16(size);
1963         ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
1964         return size;
1965 }
1966
1967 static int
1968 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
1969                                struct lpfc_fdmi_attr_def *ad)
1970 {
1971         struct lpfc_fdmi_attr_entry *ae;
1972         uint32_t size;
1973
1974         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1975         memset(ae, 0, sizeof(struct lpfc_name));
1976
1977         memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
1978                sizeof(struct lpfc_name));
1979         size = FOURBYTES + sizeof(struct lpfc_name);
1980         ad->AttrLen = cpu_to_be16(size);
1981         ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
1982         return size;
1983 }
1984
1985 static int
1986 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
1987                             struct lpfc_fdmi_attr_def *ad)
1988 {
1989         struct lpfc_hba *phba = vport->phba;
1990         struct lpfc_fdmi_attr_entry *ae;
1991         uint32_t len, size;
1992
1993         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1994         memset(ae, 0, 256);
1995
1996         lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
1997         len = strnlen(ae->un.AttrString,
1998                           sizeof(ae->un.AttrString));
1999         len += (len & 3) ? (4 - (len & 3)) : 4;
2000         size = FOURBYTES + len;
2001         ad->AttrLen = cpu_to_be16(size);
2002         ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2003         return size;
2004 }
2005
2006 static int
2007 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2008                               struct lpfc_fdmi_attr_def *ad)
2009 {
2010         struct lpfc_fdmi_attr_entry *ae;
2011         uint32_t size;
2012
2013         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2014
2015         /* Driver doesn't have access to this information */
2016         ae->un.AttrInt =  cpu_to_be32(0);
2017         size = FOURBYTES + sizeof(uint32_t);
2018         ad->AttrLen = cpu_to_be16(size);
2019         ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2020         return size;
2021 }
2022
2023 static int
2024 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2025                              struct lpfc_fdmi_attr_def *ad)
2026 {
2027         struct lpfc_fdmi_attr_entry *ae;
2028         uint32_t len, size;
2029
2030         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2031         memset(ae, 0, 256);
2032
2033         strncpy(ae->un.AttrString, "EMULEX",
2034                 sizeof(ae->un.AttrString));
2035         len = strnlen(ae->un.AttrString,
2036                           sizeof(ae->un.AttrString));
2037         len += (len & 3) ? (4 - (len & 3)) : 4;
2038         size = FOURBYTES + len;
2039         ad->AttrLen = cpu_to_be16(size);
2040         ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2041         return size;
2042 }
2043
2044 /* Routines for all individual PORT attributes */
2045 static int
2046 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2047                             struct lpfc_fdmi_attr_def *ad)
2048 {
2049         struct lpfc_fdmi_attr_entry *ae;
2050         uint32_t size;
2051
2052         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2053         memset(ae, 0, 32);
2054
2055         ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2056         ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2057         ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2058         size = FOURBYTES + 32;
2059         ad->AttrLen = cpu_to_be16(size);
2060         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2061         return size;
2062 }
2063
2064 static int
2065 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2066                                   struct lpfc_fdmi_attr_def *ad)
2067 {
2068         struct lpfc_hba   *phba = vport->phba;
2069         struct lpfc_fdmi_attr_entry *ae;
2070         uint32_t size;
2071
2072         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2073
2074         ae->un.AttrInt = 0;
2075         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2076                 if (phba->lmt & LMT_32Gb)
2077                         ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2078                 if (phba->lmt & LMT_16Gb)
2079                         ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2080                 if (phba->lmt & LMT_10Gb)
2081                         ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2082                 if (phba->lmt & LMT_8Gb)
2083                         ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2084                 if (phba->lmt & LMT_4Gb)
2085                         ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2086                 if (phba->lmt & LMT_2Gb)
2087                         ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2088                 if (phba->lmt & LMT_1Gb)
2089                         ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2090         } else {
2091                 /* FCoE links support only one speed */
2092                 switch (phba->fc_linkspeed) {
2093                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2094                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
2095                         break;
2096                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2097                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
2098                         break;
2099                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2100                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
2101                         break;
2102                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2103                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
2104                         break;
2105                 }
2106         }
2107         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2108         size = FOURBYTES + sizeof(uint32_t);
2109         ad->AttrLen = cpu_to_be16(size);
2110         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2111         return size;
2112 }
2113
2114 static int
2115 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2116                           struct lpfc_fdmi_attr_def *ad)
2117 {
2118         struct lpfc_hba   *phba = vport->phba;
2119         struct lpfc_fdmi_attr_entry *ae;
2120         uint32_t size;
2121
2122         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2123
2124         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2125                 switch (phba->fc_linkspeed) {
2126                 case LPFC_LINK_SPEED_1GHZ:
2127                         ae->un.AttrInt = HBA_PORTSPEED_1GFC;
2128                         break;
2129                 case LPFC_LINK_SPEED_2GHZ:
2130                         ae->un.AttrInt = HBA_PORTSPEED_2GFC;
2131                         break;
2132                 case LPFC_LINK_SPEED_4GHZ:
2133                         ae->un.AttrInt = HBA_PORTSPEED_4GFC;
2134                         break;
2135                 case LPFC_LINK_SPEED_8GHZ:
2136                         ae->un.AttrInt = HBA_PORTSPEED_8GFC;
2137                         break;
2138                 case LPFC_LINK_SPEED_10GHZ:
2139                         ae->un.AttrInt = HBA_PORTSPEED_10GFC;
2140                         break;
2141                 case LPFC_LINK_SPEED_16GHZ:
2142                         ae->un.AttrInt = HBA_PORTSPEED_16GFC;
2143                         break;
2144                 case LPFC_LINK_SPEED_32GHZ:
2145                         ae->un.AttrInt = HBA_PORTSPEED_32GFC;
2146                         break;
2147                 default:
2148                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2149                         break;
2150                 }
2151         } else {
2152                 switch (phba->fc_linkspeed) {
2153                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2154                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
2155                         break;
2156                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2157                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
2158                         break;
2159                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2160                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
2161                         break;
2162                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2163                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
2164                         break;
2165                 default:
2166                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2167                         break;
2168                 }
2169         }
2170
2171         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2172         size = FOURBYTES + sizeof(uint32_t);
2173         ad->AttrLen = cpu_to_be16(size);
2174         ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
2175         return size;
2176 }
2177
2178 static int
2179 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
2180                               struct lpfc_fdmi_attr_def *ad)
2181 {
2182         struct serv_parm *hsp;
2183         struct lpfc_fdmi_attr_entry *ae;
2184         uint32_t size;
2185
2186         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2187
2188         hsp = (struct serv_parm *)&vport->fc_sparam;
2189         ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb) << 8) |
2190                           (uint32_t) hsp->cmn.bbRcvSizeLsb;
2191         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2192         size = FOURBYTES + sizeof(uint32_t);
2193         ad->AttrLen = cpu_to_be16(size);
2194         ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
2195         return size;
2196 }
2197
2198 static int
2199 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
2200                                struct lpfc_fdmi_attr_def *ad)
2201 {
2202         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2203         struct lpfc_fdmi_attr_entry *ae;
2204         uint32_t len, size;
2205
2206         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2207         memset(ae, 0, 256);
2208
2209         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
2210                  "/sys/class/scsi_host/host%d", shost->host_no);
2211         len = strnlen((char *)ae->un.AttrString,
2212                           sizeof(ae->un.AttrString));
2213         len += (len & 3) ? (4 - (len & 3)) : 4;
2214         size = FOURBYTES + len;
2215         ad->AttrLen = cpu_to_be16(size);
2216         ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
2217         return size;
2218 }
2219
2220 static int
2221 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
2222                               struct lpfc_fdmi_attr_def *ad)
2223 {
2224         struct lpfc_fdmi_attr_entry *ae;
2225         uint32_t len, size;
2226
2227         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2228         memset(ae, 0, 256);
2229
2230         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
2231                  init_utsname()->nodename);
2232
2233         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2234         len += (len & 3) ? (4 - (len & 3)) : 4;
2235         size = FOURBYTES + len;
2236         ad->AttrLen = cpu_to_be16(size);
2237         ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
2238         return size;
2239 }
2240
2241 static int
2242 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
2243                          struct lpfc_fdmi_attr_def *ad)
2244 {
2245         struct lpfc_fdmi_attr_entry *ae;
2246         uint32_t size;
2247
2248         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2249         memset(ae, 0,  sizeof(struct lpfc_name));
2250
2251         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2252                sizeof(struct lpfc_name));
2253         size = FOURBYTES + sizeof(struct lpfc_name);
2254         ad->AttrLen = cpu_to_be16(size);
2255         ad->AttrType = cpu_to_be16(RPRT_NODENAME);
2256         return size;
2257 }
2258
2259 static int
2260 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
2261                          struct lpfc_fdmi_attr_def *ad)
2262 {
2263         struct lpfc_fdmi_attr_entry *ae;
2264         uint32_t size;
2265
2266         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2267         memset(ae, 0,  sizeof(struct lpfc_name));
2268
2269         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
2270                sizeof(struct lpfc_name));
2271         size = FOURBYTES + sizeof(struct lpfc_name);
2272         ad->AttrLen = cpu_to_be16(size);
2273         ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
2274         return size;
2275 }
2276
2277 static int
2278 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
2279                                   struct lpfc_fdmi_attr_def *ad)
2280 {
2281         struct lpfc_fdmi_attr_entry *ae;
2282         uint32_t len, size;
2283
2284         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2285         memset(ae, 0, 256);
2286
2287         len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
2288         len += (len & 3) ? (4 - (len & 3)) : 4;
2289         size = FOURBYTES + len;
2290         ad->AttrLen = cpu_to_be16(size);
2291         ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
2292         return size;
2293 }
2294
2295 static int
2296 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
2297                               struct lpfc_fdmi_attr_def *ad)
2298 {
2299         struct lpfc_hba *phba = vport->phba;
2300         struct lpfc_fdmi_attr_entry *ae;
2301         uint32_t size;
2302
2303         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2304         if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
2305                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
2306         else
2307                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
2308         size = FOURBYTES + sizeof(uint32_t);
2309         ad->AttrLen = cpu_to_be16(size);
2310         ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
2311         return size;
2312 }
2313
2314 static int
2315 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
2316                           struct lpfc_fdmi_attr_def *ad)
2317 {
2318         struct lpfc_fdmi_attr_entry *ae;
2319         uint32_t size;
2320
2321         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2322         ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
2323         size = FOURBYTES + sizeof(uint32_t);
2324         ad->AttrLen = cpu_to_be16(size);
2325         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
2326         return size;
2327 }
2328
2329 static int
2330 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
2331                                 struct lpfc_fdmi_attr_def *ad)
2332 {
2333         struct lpfc_fdmi_attr_entry *ae;
2334         uint32_t size;
2335
2336         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2337         memset(ae, 0,  sizeof(struct lpfc_name));
2338
2339         memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
2340                sizeof(struct lpfc_name));
2341         size = FOURBYTES + sizeof(struct lpfc_name);
2342         ad->AttrLen = cpu_to_be16(size);
2343         ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
2344         return size;
2345 }
2346
2347 static int
2348 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
2349                                    struct lpfc_fdmi_attr_def *ad)
2350 {
2351         struct lpfc_fdmi_attr_entry *ae;
2352         uint32_t size;
2353
2354         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2355         memset(ae, 0, 32);
2356
2357         ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2358         ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2359         ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2360         size = FOURBYTES + 32;
2361         ad->AttrLen = cpu_to_be16(size);
2362         ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
2363         return size;
2364 }
2365
2366 static int
2367 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
2368                                struct lpfc_fdmi_attr_def *ad)
2369 {
2370         struct lpfc_fdmi_attr_entry *ae;
2371         uint32_t size;
2372
2373         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2374         /* Link Up - operational */
2375         ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
2376         size = FOURBYTES + sizeof(uint32_t);
2377         ad->AttrLen = cpu_to_be16(size);
2378         ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
2379         return size;
2380 }
2381
2382 static int
2383 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
2384                              struct lpfc_fdmi_attr_def *ad)
2385 {
2386         struct lpfc_fdmi_attr_entry *ae;
2387         uint32_t size;
2388
2389         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2390         vport->fdmi_num_disc = lpfc_find_map_node(vport);
2391         ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
2392         size = FOURBYTES + sizeof(uint32_t);
2393         ad->AttrLen = cpu_to_be16(size);
2394         ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
2395         return size;
2396 }
2397
2398 static int
2399 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
2400                             struct lpfc_fdmi_attr_def *ad)
2401 {
2402         struct lpfc_fdmi_attr_entry *ae;
2403         uint32_t size;
2404
2405         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2406         ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
2407         size = FOURBYTES + sizeof(uint32_t);
2408         ad->AttrLen = cpu_to_be16(size);
2409         ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
2410         return size;
2411 }
2412
2413 static int
2414 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
2415                              struct lpfc_fdmi_attr_def *ad)
2416 {
2417         struct lpfc_fdmi_attr_entry *ae;
2418         uint32_t len, size;
2419
2420         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2421         memset(ae, 0, 256);
2422
2423         strncpy(ae->un.AttrString, "Smart SAN Initiator",
2424                 sizeof(ae->un.AttrString));
2425         len = strnlen(ae->un.AttrString,
2426                           sizeof(ae->un.AttrString));
2427         len += (len & 3) ? (4 - (len & 3)) : 4;
2428         size = FOURBYTES + len;
2429         ad->AttrLen = cpu_to_be16(size);
2430         ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
2431         return size;
2432 }
2433
2434 static int
2435 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
2436                           struct lpfc_fdmi_attr_def *ad)
2437 {
2438         struct lpfc_fdmi_attr_entry *ae;
2439         uint32_t size;
2440
2441         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2442         memset(ae, 0, 256);
2443
2444         memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
2445                sizeof(struct lpfc_name));
2446         memcpy((((uint8_t *)&ae->un.AttrString) +
2447                 sizeof(struct lpfc_name)),
2448                 &vport->fc_sparam.portName, sizeof(struct lpfc_name));
2449         size = FOURBYTES + (2 * sizeof(struct lpfc_name));
2450         ad->AttrLen =  cpu_to_be16(size);
2451         ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
2452         return size;
2453 }
2454
2455 static int
2456 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
2457                              struct lpfc_fdmi_attr_def *ad)
2458 {
2459         struct lpfc_fdmi_attr_entry *ae;
2460         uint32_t len, size;
2461
2462         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2463         memset(ae, 0, 256);
2464
2465         strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
2466                 sizeof(ae->un.AttrString));
2467         len = strnlen(ae->un.AttrString,
2468                           sizeof(ae->un.AttrString));
2469         len += (len & 3) ? (4 - (len & 3)) : 4;
2470         size = FOURBYTES + len;
2471         ad->AttrLen =  cpu_to_be16(size);
2472         ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
2473         return size;
2474 }
2475
2476 static int
2477 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
2478                            struct lpfc_fdmi_attr_def *ad)
2479 {
2480         struct lpfc_hba *phba = vport->phba;
2481         struct lpfc_fdmi_attr_entry *ae;
2482         uint32_t len, size;
2483
2484         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2485         memset(ae, 0, 256);
2486
2487         strncpy(ae->un.AttrString, phba->ModelName,
2488                 sizeof(ae->un.AttrString));
2489         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2490         len += (len & 3) ? (4 - (len & 3)) : 4;
2491         size = FOURBYTES + len;
2492         ad->AttrLen = cpu_to_be16(size);
2493         ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
2494         return size;
2495 }
2496
2497 static int
2498 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
2499                                struct lpfc_fdmi_attr_def *ad)
2500 {
2501         struct lpfc_fdmi_attr_entry *ae;
2502         uint32_t size;
2503
2504         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2505
2506         /* SRIOV (type 3) is not supported */
2507         if (vport->vpi)
2508                 ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
2509         else
2510                 ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
2511         size = FOURBYTES + sizeof(uint32_t);
2512         ad->AttrLen = cpu_to_be16(size);
2513         ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
2514         return size;
2515 }
2516
2517 static int
2518 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
2519                          struct lpfc_fdmi_attr_def *ad)
2520 {
2521         struct lpfc_fdmi_attr_entry *ae;
2522         uint32_t size;
2523
2524         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2525         ae->un.AttrInt =  cpu_to_be32(0);
2526         size = FOURBYTES + sizeof(uint32_t);
2527         ad->AttrLen = cpu_to_be16(size);
2528         ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
2529         return size;
2530 }
2531
2532 static int
2533 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
2534                               struct lpfc_fdmi_attr_def *ad)
2535 {
2536         struct lpfc_fdmi_attr_entry *ae;
2537         uint32_t size;
2538
2539         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2540         ae->un.AttrInt =  cpu_to_be32(1);
2541         size = FOURBYTES + sizeof(uint32_t);
2542         ad->AttrLen = cpu_to_be16(size);
2543         ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
2544         return size;
2545 }
2546
2547 /* RHBA attribute jump table */
2548 int (*lpfc_fdmi_hba_action[])
2549         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2550         /* Action routine                 Mask bit     Attribute type */
2551         lpfc_fdmi_hba_attr_wwnn,          /* bit0     RHBA_NODENAME           */
2552         lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
2553         lpfc_fdmi_hba_attr_sn,            /* bit2     RHBA_SERIAL_NUMBER      */
2554         lpfc_fdmi_hba_attr_model,         /* bit3     RHBA_MODEL              */
2555         lpfc_fdmi_hba_attr_description,   /* bit4     RHBA_MODEL_DESCRIPTION  */
2556         lpfc_fdmi_hba_attr_hdw_ver,       /* bit5     RHBA_HARDWARE_VERSION   */
2557         lpfc_fdmi_hba_attr_drvr_ver,      /* bit6     RHBA_DRIVER_VERSION     */
2558         lpfc_fdmi_hba_attr_rom_ver,       /* bit7     RHBA_OPTION_ROM_VERSION */
2559         lpfc_fdmi_hba_attr_fmw_ver,       /* bit8     RHBA_FIRMWARE_VERSION   */
2560         lpfc_fdmi_hba_attr_os_ver,        /* bit9     RHBA_OS_NAME_VERSION    */
2561         lpfc_fdmi_hba_attr_ct_len,        /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
2562         lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
2563         lpfc_fdmi_hba_attr_vendor_info,   /* bit12    RHBA_VENDOR_INFO        */
2564         lpfc_fdmi_hba_attr_num_ports,     /* bit13    RHBA_NUM_PORTS          */
2565         lpfc_fdmi_hba_attr_fabric_wwnn,   /* bit14    RHBA_FABRIC_WWNN        */
2566         lpfc_fdmi_hba_attr_bios_ver,      /* bit15    RHBA_BIOS_VERSION       */
2567         lpfc_fdmi_hba_attr_bios_state,    /* bit16    RHBA_BIOS_STATE         */
2568         lpfc_fdmi_hba_attr_vendor_id,     /* bit17    RHBA_VENDOR_ID          */
2569 };
2570
2571 /* RPA / RPRT attribute jump table */
2572 int (*lpfc_fdmi_port_action[])
2573         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2574         /* Action routine                   Mask bit   Attribute type */
2575         lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
2576         lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
2577         lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
2578         lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
2579         lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
2580         lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
2581         lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
2582         lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
2583         lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
2584         lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
2585         lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
2586         lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
2587         lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
2588         lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
2589         lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
2590         lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
2591         lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
2592         lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
2593         lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
2594         lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
2595         lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
2596         lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
2597         lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
2598 };
2599
2600 /**
2601  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
2602  * @vport: pointer to a host virtual N_Port data structure.
2603  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
2604  * cmdcode: FDMI command to send
2605  * mask: Mask of HBA or PORT Attributes to send
2606  *
2607  * Builds and sends a FDMI command using the CT subsystem.
2608  */
2609 int
2610 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2611               int cmdcode, uint32_t new_mask)
2612 {
2613         struct lpfc_hba *phba = vport->phba;
2614         struct lpfc_dmabuf *mp, *bmp;
2615         struct lpfc_sli_ct_request *CtReq;
2616         struct ulp_bde64 *bpl;
2617         uint32_t bit_pos;
2618         uint32_t size;
2619         uint32_t rsp_size;
2620         uint32_t mask;
2621         struct lpfc_fdmi_reg_hba *rh;
2622         struct lpfc_fdmi_port_entry *pe;
2623         struct lpfc_fdmi_reg_portattr *pab = NULL;
2624         struct lpfc_fdmi_attr_block *ab = NULL;
2625         int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
2626         void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
2627                      struct lpfc_iocbq *);
2628
2629         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
2630                 return 0;
2631
2632         cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
2633
2634         /* fill in BDEs for command */
2635         /* Allocate buffer for command payload */
2636         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2637         if (!mp)
2638                 goto fdmi_cmd_exit;
2639
2640         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
2641         if (!mp->virt)
2642                 goto fdmi_cmd_free_mp;
2643
2644         /* Allocate buffer for Buffer ptr list */
2645         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2646         if (!bmp)
2647                 goto fdmi_cmd_free_mpvirt;
2648
2649         bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
2650         if (!bmp->virt)
2651                 goto fdmi_cmd_free_bmp;
2652
2653         INIT_LIST_HEAD(&mp->list);
2654         INIT_LIST_HEAD(&bmp->list);
2655
2656         /* FDMI request */
2657         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2658                          "0218 FDMI Request Data: x%x x%x x%x\n",
2659                          vport->fc_flag, vport->port_state, cmdcode);
2660         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
2661
2662         /* First populate the CT_IU preamble */
2663         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
2664         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
2665         CtReq->RevisionId.bits.InId = 0;
2666
2667         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
2668         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
2669
2670         CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
2671         rsp_size = LPFC_BPL_SIZE;
2672         size = 0;
2673
2674         /* Next fill in the specific FDMI cmd information */
2675         switch (cmdcode) {
2676         case SLI_MGMT_RHAT:
2677         case SLI_MGMT_RHBA:
2678                 rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
2679                 /* HBA Identifier */
2680                 memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
2681                        sizeof(struct lpfc_name));
2682
2683                 if (cmdcode == SLI_MGMT_RHBA) {
2684                         /* Registered Port List */
2685                         /* One entry (port) per adapter */
2686                         rh->rpl.EntryCnt = cpu_to_be32(1);
2687                         memcpy(&rh->rpl.pe, &phba->pport->fc_sparam.portName,
2688                                sizeof(struct lpfc_name));
2689
2690                         /* point to the HBA attribute block */
2691                         size = 2 * sizeof(struct lpfc_name) +
2692                                 FOURBYTES;
2693                 } else {
2694                         size = sizeof(struct lpfc_name);
2695                 }
2696                 ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
2697                 ab->EntryCnt = 0;
2698                 size += FOURBYTES;
2699                 bit_pos = 0;
2700                 if (new_mask)
2701                         mask = new_mask;
2702                 else
2703                         mask = vport->fdmi_hba_mask;
2704
2705                 /* Mask will dictate what attributes to build in the request */
2706                 while (mask) {
2707                         if (mask & 0x1) {
2708                                 func = lpfc_fdmi_hba_action[bit_pos];
2709                                 size += func(vport,
2710                                              (struct lpfc_fdmi_attr_def *)
2711                                              ((uint8_t *)rh + size));
2712                                 ab->EntryCnt++;
2713                                 if ((size + 256) >
2714                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2715                                         goto hba_out;
2716                         }
2717                         mask = mask >> 1;
2718                         bit_pos++;
2719                 }
2720 hba_out:
2721                 ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
2722                 /* Total size */
2723                 size = GID_REQUEST_SZ - 4 + size;
2724                 break;
2725
2726         case SLI_MGMT_RPRT:
2727         case SLI_MGMT_RPA:
2728                 pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
2729                 if (cmdcode == SLI_MGMT_RPRT) {
2730                         rh = (struct lpfc_fdmi_reg_hba *)pab;
2731                         /* HBA Identifier */
2732                         memcpy(&rh->hi.PortName,
2733                                &phba->pport->fc_sparam.portName,
2734                                sizeof(struct lpfc_name));
2735                         pab = (struct lpfc_fdmi_reg_portattr *)
2736                                 ((uint8_t *)pab +  sizeof(struct lpfc_name));
2737                 }
2738
2739                 memcpy((uint8_t *)&pab->PortName,
2740                        (uint8_t *)&vport->fc_sparam.portName,
2741                        sizeof(struct lpfc_name));
2742                 size += sizeof(struct lpfc_name) + FOURBYTES;
2743                 pab->ab.EntryCnt = 0;
2744                 bit_pos = 0;
2745                 if (new_mask)
2746                         mask = new_mask;
2747                 else
2748                         mask = vport->fdmi_port_mask;
2749
2750                 /* Mask will dictate what attributes to build in the request */
2751                 while (mask) {
2752                         if (mask & 0x1) {
2753                                 func = lpfc_fdmi_port_action[bit_pos];
2754                                 size += func(vport,
2755                                              (struct lpfc_fdmi_attr_def *)
2756                                              ((uint8_t *)pab + size));
2757                                 pab->ab.EntryCnt++;
2758                                 if ((size + 256) >
2759                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2760                                         goto port_out;
2761                         }
2762                         mask = mask >> 1;
2763                         bit_pos++;
2764                 }
2765 port_out:
2766                 pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
2767                 /* Total size */
2768                 if (cmdcode == SLI_MGMT_RPRT)
2769                         size += sizeof(struct lpfc_name);
2770                 size = GID_REQUEST_SZ - 4 + size;
2771                 break;
2772
2773         case SLI_MGMT_GHAT:
2774         case SLI_MGMT_GRPL:
2775                 rsp_size = FC_MAX_NS_RSP;
2776         case SLI_MGMT_DHBA:
2777         case SLI_MGMT_DHAT:
2778                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2779                 memcpy((uint8_t *)&pe->PortName,
2780                        (uint8_t *)&vport->fc_sparam.portName,
2781                        sizeof(struct lpfc_name));
2782                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2783                 break;
2784
2785         case SLI_MGMT_GPAT:
2786         case SLI_MGMT_GPAS:
2787                 rsp_size = FC_MAX_NS_RSP;
2788         case SLI_MGMT_DPRT:
2789         case SLI_MGMT_DPA:
2790                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2791                 memcpy((uint8_t *)&pe->PortName,
2792                        (uint8_t *)&vport->fc_sparam.portName,
2793                        sizeof(struct lpfc_name));
2794                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2795                 break;
2796         case SLI_MGMT_GRHL:
2797                 size = GID_REQUEST_SZ - 4;
2798                 break;
2799         default:
2800                 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
2801                                  "0298 FDMI cmdcode x%x not supported\n",
2802                                  cmdcode);
2803                 goto fdmi_cmd_free_bmpvirt;
2804         }
2805         CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
2806
2807         bpl = (struct ulp_bde64 *)bmp->virt;
2808         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
2809         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
2810         bpl->tus.f.bdeFlags = 0;
2811         bpl->tus.f.bdeSize = size;
2812
2813         /*
2814          * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2815          * to hold ndlp reference for the corresponding callback function.
2816          */
2817         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
2818                 return 0;
2819
2820         /*
2821          * Decrement ndlp reference count to release ndlp reference held
2822          * for the failed command's callback function.
2823          */
2824         lpfc_nlp_put(ndlp);
2825
2826 fdmi_cmd_free_bmpvirt:
2827         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2828 fdmi_cmd_free_bmp:
2829         kfree(bmp);
2830 fdmi_cmd_free_mpvirt:
2831         lpfc_mbuf_free(phba, mp->virt, mp->phys);
2832 fdmi_cmd_free_mp:
2833         kfree(mp);
2834 fdmi_cmd_exit:
2835         /* Issue FDMI request failed */
2836         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2837                          "0244 Issue FDMI request failed Data: x%x\n",
2838                          cmdcode);
2839         return 1;
2840 }
2841
2842 /**
2843  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
2844  * @ptr - Context object of the timer.
2845  *
2846  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
2847  * the worker thread.
2848  **/
2849 void
2850 lpfc_delayed_disc_tmo(unsigned long ptr)
2851 {
2852         struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
2853         struct lpfc_hba   *phba = vport->phba;
2854         uint32_t tmo_posted;
2855         unsigned long iflag;
2856
2857         spin_lock_irqsave(&vport->work_port_lock, iflag);
2858         tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
2859         if (!tmo_posted)
2860                 vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
2861         spin_unlock_irqrestore(&vport->work_port_lock, iflag);
2862
2863         if (!tmo_posted)
2864                 lpfc_worker_wake_up(phba);
2865         return;
2866 }
2867
2868 /**
2869  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
2870  *      handle delayed discovery.
2871  * @vport: pointer to a host virtual N_Port data structure.
2872  *
2873  * This function start nport discovery of the vport.
2874  **/
2875 void
2876 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
2877 {
2878         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2879
2880         spin_lock_irq(shost->host_lock);
2881         if (!(vport->fc_flag & FC_DISC_DELAYED)) {
2882                 spin_unlock_irq(shost->host_lock);
2883                 return;
2884         }
2885         vport->fc_flag &= ~FC_DISC_DELAYED;
2886         spin_unlock_irq(shost->host_lock);
2887
2888         lpfc_do_scr_ns_plogi(vport->phba, vport);
2889 }
2890
2891 void
2892 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
2893 {
2894         struct lpfc_sli *psli = &phba->sli;
2895         lpfc_vpd_t *vp = &phba->vpd;
2896         uint32_t b1, b2, b3, b4, i, rev;
2897         char c;
2898         uint32_t *ptr, str[4];
2899         uint8_t *fwname;
2900
2901         if (phba->sli_rev == LPFC_SLI_REV4)
2902                 snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
2903         else if (vp->rev.rBit) {
2904                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
2905                         rev = vp->rev.sli2FwRev;
2906                 else
2907                         rev = vp->rev.sli1FwRev;
2908
2909                 b1 = (rev & 0x0000f000) >> 12;
2910                 b2 = (rev & 0x00000f00) >> 8;
2911                 b3 = (rev & 0x000000c0) >> 6;
2912                 b4 = (rev & 0x00000030) >> 4;
2913
2914                 switch (b4) {
2915                 case 0:
2916                         c = 'N';
2917                         break;
2918                 case 1:
2919                         c = 'A';
2920                         break;
2921                 case 2:
2922                         c = 'B';
2923                         break;
2924                 case 3:
2925                         c = 'X';
2926                         break;
2927                 default:
2928                         c = 0;
2929                         break;
2930                 }
2931                 b4 = (rev & 0x0000000f);
2932
2933                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
2934                         fwname = vp->rev.sli2FwName;
2935                 else
2936                         fwname = vp->rev.sli1FwName;
2937
2938                 for (i = 0; i < 16; i++)
2939                         if (fwname[i] == 0x20)
2940                                 fwname[i] = 0;
2941
2942                 ptr = (uint32_t*)fwname;
2943
2944                 for (i = 0; i < 3; i++)
2945                         str[i] = be32_to_cpu(*ptr++);
2946
2947                 if (c == 0) {
2948                         if (flag)
2949                                 sprintf(fwrevision, "%d.%d%d (%s)",
2950                                         b1, b2, b3, (char *)str);
2951                         else
2952                                 sprintf(fwrevision, "%d.%d%d", b1,
2953                                         b2, b3);
2954                 } else {
2955                         if (flag)
2956                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
2957                                         b1, b2, b3, c,
2958                                         b4, (char *)str);
2959                         else
2960                                 sprintf(fwrevision, "%d.%d%d%c%d",
2961                                         b1, b2, b3, c, b4);
2962                 }
2963         } else {
2964                 rev = vp->rev.smFwRev;
2965
2966                 b1 = (rev & 0xff000000) >> 24;
2967                 b2 = (rev & 0x00f00000) >> 20;
2968                 b3 = (rev & 0x000f0000) >> 16;
2969                 c  = (rev & 0x0000ff00) >> 8;
2970                 b4 = (rev & 0x000000ff);
2971
2972                 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
2973         }
2974         return;
2975 }