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 void
 541 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 542 {
 543         struct lpfc_hba *phba = vport->phba;
 544         struct lpfc_nodelist *ndlp = NULL;
 545         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 546
 547         /*
 548          * To conserve rpi's, filter out addresses for other
 549          * vports on the same physical HBAs.
 550          */
 551         if (Did != vport->fc_myDID &&
 552             (!lpfc_find_vport_by_did(phba, Did) ||
 553              vport->cfg_peer_port_login)) {
 554                 if (!phba->nvmet_support) {
 555                         /* FCPI/NVMEI path. Process Did */
 556                         lpfc_prep_node_fc4type(vport, Did, fc4_type);
 557                         return;
 558                 }
 559                 /* NVMET path.  NVMET only cares about NVMEI nodes. */
 560                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 561                         if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
 562                             ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
 563                                 continue;
 564                         spin_lock_irq(shost->host_lock);
 565                         if (ndlp->nlp_DID == Did)
 566                                 ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 567                         else
 568                                 ndlp->nlp_flag |= NLP_NVMET_RECOV;
 569                         spin_unlock_irq(shost->host_lock);
 570                 }
 571         }
 572 }
 573
 574 static int
 575 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
 576             uint32_t Size)
 577 {
 578         struct lpfc_sli_ct_request *Response =
 579                 (struct lpfc_sli_ct_request *) mp->virt;
 580         struct lpfc_dmabuf *mlast, *next_mp;
 581         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 582         uint32_t Did, CTentry;
 583         int Cnt;
 584         struct list_head head;
 585         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 586         struct lpfc_nodelist *ndlp = NULL;
 587
 588         lpfc_set_disctmo(vport);
 589         vport->num_disc_nodes = 0;
 590         vport->fc_ns_retry = 0;
 591
 592
 593         list_add_tail(&head, &mp->list);
 594         list_for_each_entry_safe(mp, next_mp, &head, list) {
 595                 mlast = mp;
 596
 597                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 598
 599                 Size -= Cnt;
 600
 601                 if (!ctptr) {
 602                         ctptr = (uint32_t *) mlast->virt;
 603                 } else
 604                         Cnt -= 16;      /* subtract length of CT header */
 605
 606                 /* Loop through entire NameServer list of DIDs */
 607                 while (Cnt >= sizeof(uint32_t)) {
 608                         /* Get next DID from NameServer List */
 609                         CTentry = *ctptr++;
 610                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 611                         lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
 612                         if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
 613                                 goto nsout1;
 614
 615                         Cnt -= sizeof(uint32_t);
 616                 }
 617                 ctptr = NULL;
 618
 619         }
 620
 621         /* All GID_FT entries processed.  If the driver is running in
 622          * in target mode, put impacted nodes into recovery and drop
 623          * the RPI to flush outstanding IO.
 624          */
 625         if (vport->phba->nvmet_support) {
 626                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 627                         if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
 628                                 continue;
 629                         lpfc_disc_state_machine(vport, ndlp, NULL,
 630                                                 NLP_EVT_DEVICE_RECOVERY);
 631                         spin_lock_irq(shost->host_lock);
 632                         ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 633                         spin_unlock_irq(shost->host_lock);
 634                 }
 635         }
 636
 637 nsout1:
 638         list_del(&head);
 639         return 0;
 640 }
 641
 642 static void
 643 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 644                         struct lpfc_iocbq *rspiocb)
 645 {
 646         struct lpfc_vport *vport = cmdiocb->vport;
 647         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 648         IOCB_t *irsp;
 649         struct lpfc_dmabuf *outp;
 650         struct lpfc_dmabuf *inp;
 651         struct lpfc_sli_ct_request *CTrsp;
 652         struct lpfc_sli_ct_request *CTreq;
 653         struct lpfc_nodelist *ndlp;
 654         int rc, type;
 655
 656         /* First save ndlp, before we overwrite it */
 657         ndlp = cmdiocb->context_un.ndlp;
 658
 659         /* we pass cmdiocb to state machine which needs rspiocb as well */
 660         cmdiocb->context_un.rsp_iocb = rspiocb;
 661         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 662         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 663         irsp = &rspiocb->iocb;
 664
 665         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 666                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 667                 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 668
 669         /* Don't bother processing response if vport is being torn down. */
 670         if (vport->load_flag & FC_UNLOADING) {
 671                 if (vport->fc_flag & FC_RSCN_MODE)
 672                         lpfc_els_flush_rscn(vport);
 673                 goto out;
 674         }
 675
 676         if (lpfc_els_chk_latt(vport)) {
 677                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 678                                  "0216 Link event during NS query\n");
 679                 if (vport->fc_flag & FC_RSCN_MODE)
 680                         lpfc_els_flush_rscn(vport);
 681                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 682                 goto out;
 683         }
 684         if (lpfc_error_lost_link(irsp)) {
 685                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 686                                  "0226 NS query failed due to link event\n");
 687                 if (vport->fc_flag & FC_RSCN_MODE)
 688                         lpfc_els_flush_rscn(vport);
 689                 goto out;
 690         }
 691         if (irsp->ulpStatus) {
 692                 /* Check for retry */
 693                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 694                         if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
 695                             (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
 696                             IOERR_NO_RESOURCES)
 697                                 vport->fc_ns_retry++;
 698
 699                         type = lpfc_get_gidft_type(vport, cmdiocb);
 700                         if (type == 0)
 701                                 goto out;
 702
 703                         /* CT command is being retried */
 704                         vport->gidft_inp--;
 705                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
 706                                          vport->fc_ns_retry, type);
 707                         if (rc == 0)
 708                                 goto out;
 709                 }
 710                 if (vport->fc_flag & FC_RSCN_MODE)
 711                         lpfc_els_flush_rscn(vport);
 712                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 713                 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 714                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
 715                                  irsp->ulpStatus, vport->fc_ns_retry);
 716         } else {
 717                 /* Good status, continue checking */
 718                 CTreq = (struct lpfc_sli_ct_request *) inp->virt;
 719                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 720                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 721                     cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
 722                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 723                                          "0208 NameServer Rsp Data: x%x x%x\n",
 724                                          vport->fc_flag,
 725                                          CTreq->un.gid.Fc4Type);
 726
 727                         lpfc_ns_rsp(vport,
 728                                     outp,
 729                                     CTreq->un.gid.Fc4Type,
 730                                     (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
 731                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 732                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 733                         /* NameServer Rsp Error */
 734                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 735                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 736                                 lpfc_printf_vlog(vport, KERN_INFO,
 737                                         LOG_DISCOVERY,
 738                                         "0269 No NameServer Entries "
 739                                         "Data: x%x x%x x%x x%x\n",
 740                                         CTrsp->CommandResponse.bits.CmdRsp,
 741                                         (uint32_t) CTrsp->ReasonCode,
 742                                         (uint32_t) CTrsp->Explanation,
 743                                         vport->fc_flag);
 744
 745                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 746                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
 747                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 748                                 (uint32_t) CTrsp->ReasonCode,
 749                                 (uint32_t) CTrsp->Explanation);
 750                         } else {
 751                                 lpfc_printf_vlog(vport, KERN_INFO,
 752                                         LOG_DISCOVERY,
 753                                         "0240 NameServer Rsp Error "
 754                                         "Data: x%x x%x x%x x%x\n",
 755                                         CTrsp->CommandResponse.bits.CmdRsp,
 756                                         (uint32_t) CTrsp->ReasonCode,
 757                                         (uint32_t) CTrsp->Explanation,
 758                                         vport->fc_flag);
 759
 760                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 761                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
 762                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 763                                 (uint32_t) CTrsp->ReasonCode,
 764                                 (uint32_t) CTrsp->Explanation);
 765                         }
 766
 767
 768                 } else {
 769                         /* NameServer Rsp Error */
 770                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 771                                         "0241 NameServer Rsp Error "
 772                                         "Data: x%x x%x x%x x%x\n",
 773                                         CTrsp->CommandResponse.bits.CmdRsp,
 774                                         (uint32_t) CTrsp->ReasonCode,
 775                                         (uint32_t) CTrsp->Explanation,
 776                                         vport->fc_flag);
 777
 778                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 779                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
 780                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 781                                 (uint32_t) CTrsp->ReasonCode,
 782                                 (uint32_t) CTrsp->Explanation);
 783                 }
 784                 vport->gidft_inp--;
 785         }
 786         /* Link up / RSCN discovery */
 787         if ((vport->num_disc_nodes == 0) &&
 788             (vport->gidft_inp == 0)) {
 789                 /*
 790                  * The driver has cycled through all Nports in the RSCN payload.
 791                  * Complete the handling by cleaning up and marking the
 792                  * current driver state.
 793                  */
 794                 if (vport->port_state >= LPFC_DISC_AUTH) {
 795                         if (vport->fc_flag & FC_RSCN_MODE) {
 796                                 lpfc_els_flush_rscn(vport);
 797                                 spin_lock_irq(shost->host_lock);
 798                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 799                                 spin_unlock_irq(shost->host_lock);
 800                         }
 801                         else
 802                                 lpfc_els_flush_rscn(vport);
 803                 }
 804
 805                 lpfc_disc_start(vport);
 806         }
 807 out:
 808         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 809         lpfc_ct_free_iocb(phba, cmdiocb);
 810         return;
 811 }
 812
 813 static void
 814 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 815                         struct lpfc_iocbq *rspiocb)
 816 {
 817         struct lpfc_vport *vport = cmdiocb->vport;
 818         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 819         IOCB_t *irsp = &rspiocb->iocb;
 820         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 821         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 822         struct lpfc_sli_ct_request *CTrsp;
 823         int did, rc, retry;
 824         uint8_t fbits;
 825         struct lpfc_nodelist *ndlp;
 826
 827         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
 828         did = be32_to_cpu(did);
 829
 830         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 831                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
 832                 irsp->ulpStatus, irsp->un.ulpWord[4], did);
 833
 834         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 835                 /* Good status, continue checking */
 836                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 837                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
 838
 839                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 840                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 841                         if ((fbits & FC4_FEATURE_INIT) &&
 842                             !(fbits & FC4_FEATURE_TARGET)) {
 843                                 lpfc_printf_vlog(vport, KERN_INFO,
 844                                                  LOG_DISCOVERY,
 845                                                  "0270 Skip x%x GFF "
 846                                                  "NameServer Rsp Data: (init) "
 847                                                  "x%x x%x\n", did, fbits,
 848                                                  vport->fc_rscn_id_cnt);
 849                                 goto out;
 850                         }
 851                 }
 852         }
 853         else {
 854                 /* Check for retry */
 855                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
 856                         retry = 1;
 857                         if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
 858                                 switch ((irsp->un.ulpWord[4] &
 859                                         IOERR_PARAM_MASK)) {
 860
 861                                 case IOERR_NO_RESOURCES:
 862                                         /* We don't increment the retry
 863                                          * count for this case.
 864                                          */
 865                                         break;
 866                                 case IOERR_LINK_DOWN:
 867                                 case IOERR_SLI_ABORTED:
 868                                 case IOERR_SLI_DOWN:
 869                                         retry = 0;
 870                                         break;
 871                                 default:
 872                                         cmdiocb->retry++;
 873                                 }
 874                         }
 875                         else
 876                                 cmdiocb->retry++;
 877
 878                         if (retry) {
 879                                 /* CT command is being retried */
 880                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 881                                          cmdiocb->retry, did);
 882                                 if (rc == 0) {
 883                                         /* success */
 884                                         lpfc_ct_free_iocb(phba, cmdiocb);
 885                                         return;
 886                                 }
 887                         }
 888                 }
 889                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 890                                  "0267 NameServer GFF Rsp "
 891                                  "x%x Error (%d %d) Data: x%x x%x\n",
 892                                  did, irsp->ulpStatus, irsp->un.ulpWord[4],
 893                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 894         }
 895
 896         /* This is a target port, unregistered port, or the GFF_ID failed */
 897         ndlp = lpfc_setup_disc_node(vport, did);
 898         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 899                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 900                                  "0242 Process x%x GFF "
 901                                  "NameServer Rsp Data: x%x x%x x%x\n",
 902                                  did, ndlp->nlp_flag, vport->fc_flag,
 903                                  vport->fc_rscn_id_cnt);
 904         } else {
 905                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 906                                  "0243 Skip x%x GFF "
 907                                  "NameServer Rsp Data: x%x x%x\n", did,
 908                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 909         }
 910 out:
 911         /* Link up / RSCN discovery */
 912         if (vport->num_disc_nodes)
 913                 vport->num_disc_nodes--;
 914         if (vport->num_disc_nodes == 0) {
 915                 /*
 916                  * The driver has cycled through all Nports in the RSCN payload.
 917                  * Complete the handling by cleaning up and marking the
 918                  * current driver state.
 919                  */
 920                 if (vport->port_state >= LPFC_DISC_AUTH) {
 921                         if (vport->fc_flag & FC_RSCN_MODE) {
 922                                 lpfc_els_flush_rscn(vport);
 923                                 spin_lock_irq(shost->host_lock);
 924                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 925                                 spin_unlock_irq(shost->host_lock);
 926                         }
 927                         else
 928                                 lpfc_els_flush_rscn(vport);
 929                 }
 930                 lpfc_disc_start(vport);
 931         }
 932         lpfc_ct_free_iocb(phba, cmdiocb);
 933         return;
 934 }
 935
 936 static void
 937 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 938                                 struct lpfc_iocbq *rspiocb)
 939 {
 940         struct lpfc_vport *vport = cmdiocb->vport;
 941         IOCB_t *irsp = &rspiocb->iocb;
 942         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
 943         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
 944         struct lpfc_sli_ct_request *CTrsp;
 945         int did;
 946         struct lpfc_nodelist *ndlp;
 947         uint32_t fc4_data_0, fc4_data_1;
 948
 949         did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
 950         did = be32_to_cpu(did);
 951
 952         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 953                               "GFT_ID cmpl: status:x%x/x%x did:x%x",
 954                               irsp->ulpStatus, irsp->un.ulpWord[4], did);
 955
 956         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 957                 /* Good status, continue checking */
 958                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
 959                 fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
 960                 fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
 961                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 962                                  "3062 DID x%06x GFT Wd0 x%08x Wd1 x%08x\n",
 963                                  did, fc4_data_0, fc4_data_1);
 964
 965                 ndlp = lpfc_findnode_did(vport, did);
 966                 if (ndlp) {
 967                         /* The bitmask value for FCP and NVME FCP types is
 968                          * the same because they are 32 bits distant from
 969                          * each other in word0 and word0.
 970                          */
 971                         if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
 972                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 973                         if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
 974                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 975                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 976                                          "3064 Setting ndlp %p, DID x%06x with "
 977                                          "FC4 x%08x, Data: x%08x x%08x\n",
 978                                          ndlp, did, ndlp->nlp_fc4_type,
 979                                          FC_TYPE_FCP, FC_TYPE_NVME);
 980                         ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
 981                 }
 982                 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
 983                 lpfc_issue_els_prli(vport, ndlp, 0);
 984         } else
 985                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 986                                  "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
 987
 988         lpfc_ct_free_iocb(phba, cmdiocb);
 989 }
 990
 991 static void
 992 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 993              struct lpfc_iocbq *rspiocb)
 994 {
 995         struct lpfc_vport *vport = cmdiocb->vport;
 996         struct lpfc_dmabuf *inp;
 997         struct lpfc_dmabuf *outp;
 998         IOCB_t *irsp;
 999         struct lpfc_sli_ct_request *CTrsp;
1000         struct lpfc_nodelist *ndlp;
1001         int cmdcode, rc;
1002         uint8_t retry;
1003         uint32_t latt;
1004
1005         /* First save ndlp, before we overwrite it */
1006         ndlp = cmdiocb->context_un.ndlp;
1007
1008         /* we pass cmdiocb to state machine which needs rspiocb as well */
1009         cmdiocb->context_un.rsp_iocb = rspiocb;
1010
1011         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1012         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1013         irsp = &rspiocb->iocb;
1014
1015         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1016                                         CommandResponse.bits.CmdRsp);
1017         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1018
1019         latt = lpfc_els_chk_latt(vport);
1020
1021         /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
1022         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1023                          "0209 CT Request completes, latt %d, "
1024                          "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1025                          latt, irsp->ulpStatus,
1026                          CTrsp->CommandResponse.bits.CmdRsp,
1027                          cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
1028
1029         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1030                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1031                 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
1032
1033         if (irsp->ulpStatus) {
1034                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1035                                  "0268 NS cmd x%x Error (x%x x%x)\n",
1036                                  cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
1037
1038                 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1039                         (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1040                           IOERR_SLI_DOWN) ||
1041                          ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1042                           IOERR_SLI_ABORTED)))
1043                         goto out;
1044
1045                 retry = cmdiocb->retry;
1046                 if (retry >= LPFC_MAX_NS_RETRY)
1047                         goto out;
1048
1049                 retry++;
1050                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1051                                  "0250 Retrying NS cmd %x\n", cmdcode);
1052                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1053                 if (rc == 0)
1054                         goto out;
1055         }
1056
1057 out:
1058         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1059         lpfc_ct_free_iocb(phba, cmdiocb);
1060         return;
1061 }
1062
1063 static void
1064 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1065                         struct lpfc_iocbq *rspiocb)
1066 {
1067         IOCB_t *irsp = &rspiocb->iocb;
1068         struct lpfc_vport *vport = cmdiocb->vport;
1069
1070         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1071                 struct lpfc_dmabuf *outp;
1072                 struct lpfc_sli_ct_request *CTrsp;
1073
1074                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1075                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1076                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1077                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1078                         vport->ct_flags |= FC_CT_RFT_ID;
1079         }
1080         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1081         return;
1082 }
1083
1084 static void
1085 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1086                         struct lpfc_iocbq *rspiocb)
1087 {
1088         IOCB_t *irsp = &rspiocb->iocb;
1089         struct lpfc_vport *vport = cmdiocb->vport;
1090
1091         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1092                 struct lpfc_dmabuf *outp;
1093                 struct lpfc_sli_ct_request *CTrsp;
1094
1095                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1096                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1097                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1098                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1099                         vport->ct_flags |= FC_CT_RNN_ID;
1100         }
1101         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1102         return;
1103 }
1104
1105 static void
1106 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1107                          struct lpfc_iocbq *rspiocb)
1108 {
1109         IOCB_t *irsp = &rspiocb->iocb;
1110         struct lpfc_vport *vport = cmdiocb->vport;
1111
1112         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1113                 struct lpfc_dmabuf *outp;
1114                 struct lpfc_sli_ct_request *CTrsp;
1115
1116                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1117                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1118                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1119                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1120                         vport->ct_flags |= FC_CT_RSPN_ID;
1121         }
1122         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1123         return;
1124 }
1125
1126 static void
1127 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1128                          struct lpfc_iocbq *rspiocb)
1129 {
1130         IOCB_t *irsp = &rspiocb->iocb;
1131         struct lpfc_vport *vport = cmdiocb->vport;
1132
1133         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1134                 struct lpfc_dmabuf *outp;
1135                 struct lpfc_sli_ct_request *CTrsp;
1136
1137                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1138                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1139                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1140                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1141                         vport->ct_flags |= FC_CT_RSNN_NN;
1142         }
1143         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1144         return;
1145 }
1146
1147 static void
1148 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1149  struct lpfc_iocbq *rspiocb)
1150 {
1151         struct lpfc_vport *vport = cmdiocb->vport;
1152
1153         /* even if it fails we will act as though it succeeded. */
1154         vport->ct_flags = 0;
1155         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1156         return;
1157 }
1158
1159 static void
1160 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1161                         struct lpfc_iocbq *rspiocb)
1162 {
1163         IOCB_t *irsp = &rspiocb->iocb;
1164         struct lpfc_vport *vport = cmdiocb->vport;
1165
1166         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1167                 struct lpfc_dmabuf *outp;
1168                 struct lpfc_sli_ct_request *CTrsp;
1169
1170                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1171                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1172                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1173                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1174                         vport->ct_flags |= FC_CT_RFF_ID;
1175         }
1176         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1177         return;
1178 }
1179
1180 /*
1181  * Although the symbolic port name is thought to be an integer
1182  * as of January 18, 2016, leave it as a string until more of
1183  * the record state becomes defined.
1184  */
1185 int
1186 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1187         size_t size)
1188 {
1189         int n;
1190
1191         /*
1192          * Use the lpfc board number as the Symbolic Port
1193          * Name object.  NPIV is not in play so this integer
1194          * value is sufficient and unique per FC-ID.
1195          */
1196         n = snprintf(symbol, size, "%d", vport->phba->brd_no);
1197         return n;
1198 }
1199
1200
1201 int
1202 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1203         size_t size)
1204 {
1205         char fwrev[FW_REV_STR_SIZE];
1206         int n;
1207
1208         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1209
1210         n = snprintf(symbol, size, "Emulex %s", vport->phba->ModelName);
1211         if (size < n)
1212                 return n;
1213
1214         n += snprintf(symbol + n, size - n, " FV%s", fwrev);
1215         if (size < n)
1216                 return n;
1217
1218         n += snprintf(symbol + n, size - n, " DV%s.",
1219                       lpfc_release_version);
1220         if (size < n)
1221                 return n;
1222
1223         n += snprintf(symbol + n, size - n, " HN:%s.",
1224                       init_utsname()->nodename);
1225         if (size < n)
1226                 return n;
1227
1228         /* Note :- OS name is "Linux" */
1229         n += snprintf(symbol + n, size - n, " OS:%s\n",
1230                       init_utsname()->sysname);
1231         return n;
1232 }
1233
1234 static uint32_t
1235 lpfc_find_map_node(struct lpfc_vport *vport)
1236 {
1237         struct lpfc_nodelist *ndlp, *next_ndlp;
1238         struct Scsi_Host  *shost;
1239         uint32_t cnt = 0;
1240
1241         shost = lpfc_shost_from_vport(vport);
1242         spin_lock_irq(shost->host_lock);
1243         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1244                 if (ndlp->nlp_type & NLP_FABRIC)
1245                         continue;
1246                 if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1247                     (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1248                         cnt++;
1249         }
1250         spin_unlock_irq(shost->host_lock);
1251         return cnt;
1252 }
1253
1254 /*
1255  * This routine will return the FC4 Type associated with the CT
1256  * GID_FT command.
1257  */
1258 int
1259 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1260 {
1261         struct lpfc_sli_ct_request *CtReq;
1262         struct lpfc_dmabuf *mp;
1263         uint32_t type;
1264
1265         mp = cmdiocb->context1;
1266         if (mp == NULL)
1267                 return 0;
1268         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1269         type = (uint32_t)CtReq->un.gid.Fc4Type;
1270         if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1271                 return 0;
1272         return type;
1273 }
1274
1275 /*
1276  * lpfc_ns_cmd
1277  * Description:
1278  *    Issue Cmd to NameServer
1279  *       SLI_CTNS_GID_FT
1280  *       LI_CTNS_RFT_ID
1281  */
1282 int
1283 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1284             uint8_t retry, uint32_t context)
1285 {
1286         struct lpfc_nodelist * ndlp;
1287         struct lpfc_hba *phba = vport->phba;
1288         struct lpfc_dmabuf *mp, *bmp;
1289         struct lpfc_sli_ct_request *CtReq;
1290         struct ulp_bde64 *bpl;
1291         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1292                       struct lpfc_iocbq *) = NULL;
1293         uint32_t rsp_size = 1024;
1294         size_t   size;
1295         int rc = 0;
1296
1297         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1298         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1299             || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1300                 rc=1;
1301                 goto ns_cmd_exit;
1302         }
1303
1304         /* fill in BDEs for command */
1305         /* Allocate buffer for command payload */
1306         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1307         if (!mp) {
1308                 rc=2;
1309                 goto ns_cmd_exit;
1310         }
1311
1312         INIT_LIST_HEAD(&mp->list);
1313         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1314         if (!mp->virt) {
1315                 rc=3;
1316                 goto ns_cmd_free_mp;
1317         }
1318
1319         /* Allocate buffer for Buffer ptr list */
1320         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1321         if (!bmp) {
1322                 rc=4;
1323                 goto ns_cmd_free_mpvirt;
1324         }
1325
1326         INIT_LIST_HEAD(&bmp->list);
1327         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1328         if (!bmp->virt) {
1329                 rc=5;
1330                 goto ns_cmd_free_bmp;
1331         }
1332
1333         /* NameServer Req */
1334         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1335                          "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1336                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1337                          context);
1338
1339         bpl = (struct ulp_bde64 *) bmp->virt;
1340         memset(bpl, 0, sizeof(struct ulp_bde64));
1341         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1342         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1343         bpl->tus.f.bdeFlags = 0;
1344         if (cmdcode == SLI_CTNS_GID_FT)
1345                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1346         else if (cmdcode == SLI_CTNS_GFF_ID)
1347                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1348         else if (cmdcode == SLI_CTNS_GFT_ID)
1349                 bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1350         else if (cmdcode == SLI_CTNS_RFT_ID)
1351                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1352         else if (cmdcode == SLI_CTNS_RNN_ID)
1353                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1354         else if (cmdcode == SLI_CTNS_RSPN_ID)
1355                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1356         else if (cmdcode == SLI_CTNS_RSNN_NN)
1357                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1358         else if (cmdcode == SLI_CTNS_DA_ID)
1359                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1360         else if (cmdcode == SLI_CTNS_RFF_ID)
1361                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1362         else
1363                 bpl->tus.f.bdeSize = 0;
1364         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1365
1366         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1367         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1368         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1369         CtReq->RevisionId.bits.InId = 0;
1370         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1371         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1372         CtReq->CommandResponse.bits.Size = 0;
1373         switch (cmdcode) {
1374         case SLI_CTNS_GID_FT:
1375                 CtReq->CommandResponse.bits.CmdRsp =
1376                     cpu_to_be16(SLI_CTNS_GID_FT);
1377                 CtReq->un.gid.Fc4Type = context;
1378
1379                 if (vport->port_state < LPFC_NS_QRY)
1380                         vport->port_state = LPFC_NS_QRY;
1381                 lpfc_set_disctmo(vport);
1382                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1383                 rsp_size = FC_MAX_NS_RSP;
1384                 break;
1385
1386         case SLI_CTNS_GFF_ID:
1387                 CtReq->CommandResponse.bits.CmdRsp =
1388                         cpu_to_be16(SLI_CTNS_GFF_ID);
1389                 CtReq->un.gff.PortId = cpu_to_be32(context);
1390                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
1391                 break;
1392
1393         case SLI_CTNS_GFT_ID:
1394                 CtReq->CommandResponse.bits.CmdRsp =
1395                         cpu_to_be16(SLI_CTNS_GFT_ID);
1396                 CtReq->un.gft.PortId = cpu_to_be32(context);
1397                 cmpl = lpfc_cmpl_ct_cmd_gft_id;
1398                 break;
1399
1400         case SLI_CTNS_RFT_ID:
1401                 vport->ct_flags &= ~FC_CT_RFT_ID;
1402                 CtReq->CommandResponse.bits.CmdRsp =
1403                     cpu_to_be16(SLI_CTNS_RFT_ID);
1404                 CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1405
1406                 /* Register FC4 FCP type if enabled.  */
1407                 if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1408                     (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP))
1409                         CtReq->un.rft.fcpReg = 1;
1410
1411                 /* Register NVME type if enabled.  Defined LE and swapped.
1412                  * rsvd[0] is used as word1 because of the hard-coded
1413                  * word0 usage in the ct_request data structure.
1414                  */
1415                 if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1416                     (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME))
1417                         CtReq->un.rft.rsvd[0] = cpu_to_be32(0x00000100);
1418
1419                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
1420                 break;
1421
1422         case SLI_CTNS_RNN_ID:
1423                 vport->ct_flags &= ~FC_CT_RNN_ID;
1424                 CtReq->CommandResponse.bits.CmdRsp =
1425                     cpu_to_be16(SLI_CTNS_RNN_ID);
1426                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1427                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1428                        sizeof(struct lpfc_name));
1429                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1430                 break;
1431
1432         case SLI_CTNS_RSPN_ID:
1433                 vport->ct_flags &= ~FC_CT_RSPN_ID;
1434                 CtReq->CommandResponse.bits.CmdRsp =
1435                     cpu_to_be16(SLI_CTNS_RSPN_ID);
1436                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1437                 size = sizeof(CtReq->un.rspn.symbname);
1438                 CtReq->un.rspn.len =
1439                         lpfc_vport_symbolic_port_name(vport,
1440                         CtReq->un.rspn.symbname, size);
1441                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1442                 break;
1443         case SLI_CTNS_RSNN_NN:
1444                 vport->ct_flags &= ~FC_CT_RSNN_NN;
1445                 CtReq->CommandResponse.bits.CmdRsp =
1446                     cpu_to_be16(SLI_CTNS_RSNN_NN);
1447                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1448                        sizeof(struct lpfc_name));
1449                 size = sizeof(CtReq->un.rsnn.symbname);
1450                 CtReq->un.rsnn.len =
1451                         lpfc_vport_symbolic_node_name(vport,
1452                         CtReq->un.rsnn.symbname, size);
1453                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1454                 break;
1455         case SLI_CTNS_DA_ID:
1456                 /* Implement DA_ID Nameserver request */
1457                 CtReq->CommandResponse.bits.CmdRsp =
1458                         cpu_to_be16(SLI_CTNS_DA_ID);
1459                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1460                 cmpl = lpfc_cmpl_ct_cmd_da_id;
1461                 break;
1462         case SLI_CTNS_RFF_ID:
1463                 vport->ct_flags &= ~FC_CT_RFF_ID;
1464                 CtReq->CommandResponse.bits.CmdRsp =
1465                     cpu_to_be16(SLI_CTNS_RFF_ID);
1466                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1467                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1468
1469                 /* The driver always supports FC_TYPE_FCP.  However, the
1470                  * caller can specify NVME (type x28) as well.  But only
1471                  * these that FC4 type is supported.
1472                  */
1473                 if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1474                      (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
1475                     (context == FC_TYPE_NVME)) {
1476                         if ((vport == phba->pport) && phba->nvmet_support) {
1477                                 CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
1478                                         FC4_FEATURE_NVME_DISC);
1479                                 lpfc_nvmet_update_targetport(phba);
1480                         } else {
1481                                 lpfc_nvme_update_localport(vport);
1482                         }
1483                         CtReq->un.rff.type_code = context;
1484
1485                 } else if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1486                             (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
1487                            (context == FC_TYPE_FCP))
1488                         CtReq->un.rff.type_code = context;
1489
1490                 else
1491                         goto ns_cmd_free_bmpvirt;
1492
1493                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
1494                 break;
1495         }
1496         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1497          * to hold ndlp reference for the corresponding callback function.
1498          */
1499         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1500                 /* On success, The cmpl function will free the buffers */
1501                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1502                         "Issue CT cmd:    cmd:x%x did:x%x",
1503                         cmdcode, ndlp->nlp_DID, 0);
1504                 return 0;
1505         }
1506         rc=6;
1507
1508         /* Decrement ndlp reference count to release ndlp reference held
1509          * for the failed command's callback function.
1510          */
1511         lpfc_nlp_put(ndlp);
1512
1513 ns_cmd_free_bmpvirt:
1514         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1515 ns_cmd_free_bmp:
1516         kfree(bmp);
1517 ns_cmd_free_mpvirt:
1518         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1519 ns_cmd_free_mp:
1520         kfree(mp);
1521 ns_cmd_exit:
1522         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1523                          "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1524                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1525         return 1;
1526 }
1527
1528 /**
1529  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
1530  * @phba: Pointer to HBA context object.
1531  * @cmdiocb: Pointer to the command IOCBQ.
1532  * @rspiocb: Pointer to the response IOCBQ.
1533  *
1534  * This function to handle the completion of a driver initiated FDMI
1535  * CT command issued during discovery.
1536  */
1537 static void
1538 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1539                        struct lpfc_iocbq *rspiocb)
1540 {
1541         struct lpfc_vport *vport = cmdiocb->vport;
1542         struct lpfc_dmabuf *inp = cmdiocb->context1;
1543         struct lpfc_dmabuf *outp = cmdiocb->context2;
1544         struct lpfc_sli_ct_request *CTcmd = inp->virt;
1545         struct lpfc_sli_ct_request *CTrsp = outp->virt;
1546         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1547         uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1548         IOCB_t *irsp = &rspiocb->iocb;
1549         struct lpfc_nodelist *ndlp;
1550         uint32_t latt, cmd, err;
1551
1552         latt = lpfc_els_chk_latt(vport);
1553         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1554                 "FDMI cmpl:       status:x%x/x%x latt:%d",
1555                 irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1556
1557         if (latt || irsp->ulpStatus) {
1558
1559                 /* Look for a retryable error */
1560                 if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1561                         switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) {
1562                         case IOERR_SLI_ABORTED:
1563                         case IOERR_ABORT_IN_PROGRESS:
1564                         case IOERR_SEQUENCE_TIMEOUT:
1565                         case IOERR_ILLEGAL_FRAME:
1566                         case IOERR_NO_RESOURCES:
1567                         case IOERR_ILLEGAL_COMMAND:
1568                                 cmdiocb->retry++;
1569                                 if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
1570                                         break;
1571
1572                                 /* Retry the same FDMI command */
1573                                 err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
1574                                                           cmdiocb, 0);
1575                                 if (err == IOCB_ERROR)
1576                                         break;
1577                                 return;
1578                         default:
1579                                 break;
1580                         }
1581                 }
1582
1583                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1584                                  "0229 FDMI cmd %04x failed, latt = %d "
1585                                  "ulpStatus: x%x, rid x%x\n",
1586                                  be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1587                                  irsp->un.ulpWord[4]);
1588         }
1589         lpfc_ct_free_iocb(phba, cmdiocb);
1590
1591         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1592         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1593                 return;
1594
1595         /* Check for a CT LS_RJT response */
1596         cmd =  be16_to_cpu(fdmi_cmd);
1597         if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
1598                 /* FDMI rsp failed */
1599                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1600                                  "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
1601
1602                 /* Should we fallback to FDMI-2 / FDMI-1 ? */
1603                 switch (cmd) {
1604                 case SLI_MGMT_RHBA:
1605                         if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
1606                                 /* Fallback to FDMI-1 */
1607                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1608                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1609                                 /* Start over */
1610                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1611                         }
1612                         return;
1613
1614                 case SLI_MGMT_RPRT:
1615                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1616                                 /* Fallback to FDMI-1 */
1617                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1618                                 /* Start over */
1619                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1620                         }
1621                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1622                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1623                                 /* Retry the same command */
1624                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1625                         }
1626                         return;
1627
1628                 case SLI_MGMT_RPA:
1629                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1630                                 /* Fallback to FDMI-1 */
1631                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1632                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1633                                 /* Start over */
1634                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1635                         }
1636                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1637                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1638                                 /* Retry the same command */
1639                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1640                         }
1641                         return;
1642                 }
1643         }
1644
1645         /*
1646          * On success, need to cycle thru FDMI registration for discovery
1647          * DHBA -> DPRT -> RHBA -> RPA  (physical port)
1648          * DPRT -> RPRT (vports)
1649          */
1650         switch (cmd) {
1651         case SLI_MGMT_RHBA:
1652                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
1653                 break;
1654
1655         case SLI_MGMT_DHBA:
1656                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
1657                 break;
1658
1659         case SLI_MGMT_DPRT:
1660                 if (vport->port_type == LPFC_PHYSICAL_PORT)
1661                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
1662                 else
1663                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
1664                 break;
1665         }
1666         return;
1667 }
1668
1669
1670 /**
1671  * lpfc_fdmi_num_disc_check - Check how many mapped NPorts we are connected to
1672  * @vport: pointer to a host virtual N_Port data structure.
1673  *
1674  * Called from hbeat timeout routine to check if the number of discovered
1675  * ports has changed. If so, re-register thar port Attribute.
1676  */
1677 void
1678 lpfc_fdmi_num_disc_check(struct lpfc_vport *vport)
1679 {
1680         struct lpfc_hba *phba = vport->phba;
1681         struct lpfc_nodelist *ndlp;
1682         uint16_t cnt;
1683
1684         if (!lpfc_is_link_up(phba))
1685                 return;
1686
1687         /* Must be connected to a Fabric */
1688         if (!(vport->fc_flag & FC_FABRIC))
1689                 return;
1690
1691         if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
1692                 return;
1693
1694         cnt = lpfc_find_map_node(vport);
1695         if (cnt == vport->fdmi_num_disc)
1696                 return;
1697
1698         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1699         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1700                 return;
1701
1702         if (vport->port_type == LPFC_PHYSICAL_PORT) {
1703                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
1704                               LPFC_FDMI_PORT_ATTR_num_disc);
1705         } else {
1706                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
1707                               LPFC_FDMI_PORT_ATTR_num_disc);
1708         }
1709 }
1710
1711 /* Routines for all individual HBA attributes */
1712 static int
1713 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
1714 {
1715         struct lpfc_fdmi_attr_entry *ae;
1716         uint32_t size;
1717
1718         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1719         memset(ae, 0, sizeof(struct lpfc_name));
1720
1721         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
1722                sizeof(struct lpfc_name));
1723         size = FOURBYTES + sizeof(struct lpfc_name);
1724         ad->AttrLen = cpu_to_be16(size);
1725         ad->AttrType = cpu_to_be16(RHBA_NODENAME);
1726         return size;
1727 }
1728 static int
1729 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
1730                                 struct lpfc_fdmi_attr_def *ad)
1731 {
1732         struct lpfc_fdmi_attr_entry *ae;
1733         uint32_t len, size;
1734
1735         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1736         memset(ae, 0, 256);
1737
1738         strncpy(ae->un.AttrString,
1739                 "Emulex Corporation",
1740                        sizeof(ae->un.AttrString));
1741         len = strnlen(ae->un.AttrString,
1742                           sizeof(ae->un.AttrString));
1743         len += (len & 3) ? (4 - (len & 3)) : 4;
1744         size = FOURBYTES + len;
1745         ad->AttrLen = cpu_to_be16(size);
1746         ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
1747         return size;
1748 }
1749
1750 static int
1751 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
1752 {
1753         struct lpfc_hba *phba = vport->phba;
1754         struct lpfc_fdmi_attr_entry *ae;
1755         uint32_t len, size;
1756
1757         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1758         memset(ae, 0, 256);
1759
1760         strncpy(ae->un.AttrString, phba->SerialNumber,
1761                 sizeof(ae->un.AttrString));
1762         len = strnlen(ae->un.AttrString,
1763                           sizeof(ae->un.AttrString));
1764         len += (len & 3) ? (4 - (len & 3)) : 4;
1765         size = FOURBYTES + len;
1766         ad->AttrLen = cpu_to_be16(size);
1767         ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
1768         return size;
1769 }
1770
1771 static int
1772 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
1773                          struct lpfc_fdmi_attr_def *ad)
1774 {
1775         struct lpfc_hba *phba = vport->phba;
1776         struct lpfc_fdmi_attr_entry *ae;
1777         uint32_t len, size;
1778
1779         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1780         memset(ae, 0, 256);
1781
1782         strncpy(ae->un.AttrString, phba->ModelName,
1783                 sizeof(ae->un.AttrString));
1784         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
1785         len += (len & 3) ? (4 - (len & 3)) : 4;
1786         size = FOURBYTES + len;
1787         ad->AttrLen = cpu_to_be16(size);
1788         ad->AttrType = cpu_to_be16(RHBA_MODEL);
1789         return size;
1790 }
1791
1792 static int
1793 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
1794                                struct lpfc_fdmi_attr_def *ad)
1795 {
1796         struct lpfc_hba *phba = vport->phba;
1797         struct lpfc_fdmi_attr_entry *ae;
1798         uint32_t len, size;
1799
1800         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1801         memset(ae, 0, 256);
1802
1803         strncpy(ae->un.AttrString, phba->ModelDesc,
1804                 sizeof(ae->un.AttrString));
1805         len = strnlen(ae->un.AttrString,
1806                                   sizeof(ae->un.AttrString));
1807         len += (len & 3) ? (4 - (len & 3)) : 4;
1808         size = FOURBYTES + len;
1809         ad->AttrLen = cpu_to_be16(size);
1810         ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
1811         return size;
1812 }
1813
1814 static int
1815 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
1816                            struct lpfc_fdmi_attr_def *ad)
1817 {
1818         struct lpfc_hba *phba = vport->phba;
1819         lpfc_vpd_t *vp = &phba->vpd;
1820         struct lpfc_fdmi_attr_entry *ae;
1821         uint32_t i, j, incr, size;
1822
1823         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1824         memset(ae, 0, 256);
1825
1826         /* Convert JEDEC ID to ascii for hardware version */
1827         incr = vp->rev.biuRev;
1828         for (i = 0; i < 8; i++) {
1829                 j = (incr & 0xf);
1830                 if (j <= 9)
1831                         ae->un.AttrString[7 - i] =
1832                             (char)((uint8_t) 0x30 +
1833                                    (uint8_t) j);
1834                 else
1835                         ae->un.AttrString[7 - i] =
1836                             (char)((uint8_t) 0x61 +
1837                                    (uint8_t) (j - 10));
1838                 incr = (incr >> 4);
1839         }
1840         size = FOURBYTES + 8;
1841         ad->AttrLen = cpu_to_be16(size);
1842         ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
1843         return size;
1844 }
1845
1846 static int
1847 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
1848                             struct lpfc_fdmi_attr_def *ad)
1849 {
1850         struct lpfc_fdmi_attr_entry *ae;
1851         uint32_t len, size;
1852
1853         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1854         memset(ae, 0, 256);
1855
1856         strncpy(ae->un.AttrString, lpfc_release_version,
1857                 sizeof(ae->un.AttrString));
1858         len = strnlen(ae->un.AttrString,
1859                           sizeof(ae->un.AttrString));
1860         len += (len & 3) ? (4 - (len & 3)) : 4;
1861         size = FOURBYTES + len;
1862         ad->AttrLen = cpu_to_be16(size);
1863         ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
1864         return size;
1865 }
1866
1867 static int
1868 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
1869                            struct lpfc_fdmi_attr_def *ad)
1870 {
1871         struct lpfc_hba *phba = vport->phba;
1872         struct lpfc_fdmi_attr_entry *ae;
1873         uint32_t len, size;
1874
1875         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1876         memset(ae, 0, 256);
1877
1878         if (phba->sli_rev == LPFC_SLI_REV4)
1879                 lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
1880         else
1881                 strncpy(ae->un.AttrString, phba->OptionROMVersion,
1882                         sizeof(ae->un.AttrString));
1883         len = strnlen(ae->un.AttrString,
1884                           sizeof(ae->un.AttrString));
1885         len += (len & 3) ? (4 - (len & 3)) : 4;
1886         size = FOURBYTES + len;
1887         ad->AttrLen = cpu_to_be16(size);
1888         ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
1889         return size;
1890 }
1891
1892 static int
1893 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
1894                            struct lpfc_fdmi_attr_def *ad)
1895 {
1896         struct lpfc_hba *phba = vport->phba;
1897         struct lpfc_fdmi_attr_entry *ae;
1898         uint32_t len, size;
1899
1900         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1901         memset(ae, 0, 256);
1902
1903         lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
1904         len = strnlen(ae->un.AttrString,
1905                           sizeof(ae->un.AttrString));
1906         len += (len & 3) ? (4 - (len & 3)) : 4;
1907         size = FOURBYTES + len;
1908         ad->AttrLen = cpu_to_be16(size);
1909         ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
1910         return size;
1911 }
1912
1913 static int
1914 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
1915                           struct lpfc_fdmi_attr_def *ad)
1916 {
1917         struct lpfc_fdmi_attr_entry *ae;
1918         uint32_t len, size;
1919
1920         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1921         memset(ae, 0, 256);
1922
1923         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
1924                  init_utsname()->sysname,
1925                  init_utsname()->release,
1926                  init_utsname()->version);
1927
1928         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
1929         len += (len & 3) ? (4 - (len & 3)) : 4;
1930         size = FOURBYTES + len;
1931         ad->AttrLen = cpu_to_be16(size);
1932         ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
1933         return size;
1934 }
1935
1936 static int
1937 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
1938                           struct lpfc_fdmi_attr_def *ad)
1939 {
1940         struct lpfc_fdmi_attr_entry *ae;
1941         uint32_t size;
1942
1943         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1944
1945         ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
1946         size = FOURBYTES + sizeof(uint32_t);
1947         ad->AttrLen = cpu_to_be16(size);
1948         ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
1949         return size;
1950 }
1951
1952 static int
1953 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
1954                                  struct lpfc_fdmi_attr_def *ad)
1955 {
1956         struct lpfc_fdmi_attr_entry *ae;
1957         uint32_t len, size;
1958
1959         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1960         memset(ae, 0, 256);
1961
1962         len = lpfc_vport_symbolic_node_name(vport,
1963                                 ae->un.AttrString, 256);
1964         len += (len & 3) ? (4 - (len & 3)) : 4;
1965         size = FOURBYTES + len;
1966         ad->AttrLen = cpu_to_be16(size);
1967         ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
1968         return size;
1969 }
1970
1971 static int
1972 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
1973                                struct lpfc_fdmi_attr_def *ad)
1974 {
1975         struct lpfc_fdmi_attr_entry *ae;
1976         uint32_t size;
1977
1978         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1979
1980         /* Nothing is defined for this currently */
1981         ae->un.AttrInt =  cpu_to_be32(0);
1982         size = FOURBYTES + sizeof(uint32_t);
1983         ad->AttrLen = cpu_to_be16(size);
1984         ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
1985         return size;
1986 }
1987
1988 static int
1989 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
1990                              struct lpfc_fdmi_attr_def *ad)
1991 {
1992         struct lpfc_fdmi_attr_entry *ae;
1993         uint32_t size;
1994
1995         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1996
1997         /* Each driver instance corresponds to a single port */
1998         ae->un.AttrInt =  cpu_to_be32(1);
1999         size = FOURBYTES + sizeof(uint32_t);
2000         ad->AttrLen = cpu_to_be16(size);
2001         ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2002         return size;
2003 }
2004
2005 static int
2006 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2007                                struct lpfc_fdmi_attr_def *ad)
2008 {
2009         struct lpfc_fdmi_attr_entry *ae;
2010         uint32_t size;
2011
2012         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2013         memset(ae, 0, sizeof(struct lpfc_name));
2014
2015         memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2016                sizeof(struct lpfc_name));
2017         size = FOURBYTES + sizeof(struct lpfc_name);
2018         ad->AttrLen = cpu_to_be16(size);
2019         ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2020         return size;
2021 }
2022
2023 static int
2024 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2025                             struct lpfc_fdmi_attr_def *ad)
2026 {
2027         struct lpfc_hba *phba = vport->phba;
2028         struct lpfc_fdmi_attr_entry *ae;
2029         uint32_t len, size;
2030
2031         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2032         memset(ae, 0, 256);
2033
2034         lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
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_BIOS_VERSION);
2041         return size;
2042 }
2043
2044 static int
2045 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2046                               struct lpfc_fdmi_attr_def *ad)
2047 {
2048         struct lpfc_fdmi_attr_entry *ae;
2049         uint32_t size;
2050
2051         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2052
2053         /* Driver doesn't have access to this information */
2054         ae->un.AttrInt =  cpu_to_be32(0);
2055         size = FOURBYTES + sizeof(uint32_t);
2056         ad->AttrLen = cpu_to_be16(size);
2057         ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2058         return size;
2059 }
2060
2061 static int
2062 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2063                              struct lpfc_fdmi_attr_def *ad)
2064 {
2065         struct lpfc_fdmi_attr_entry *ae;
2066         uint32_t len, size;
2067
2068         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2069         memset(ae, 0, 256);
2070
2071         strncpy(ae->un.AttrString, "EMULEX",
2072                 sizeof(ae->un.AttrString));
2073         len = strnlen(ae->un.AttrString,
2074                           sizeof(ae->un.AttrString));
2075         len += (len & 3) ? (4 - (len & 3)) : 4;
2076         size = FOURBYTES + len;
2077         ad->AttrLen = cpu_to_be16(size);
2078         ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2079         return size;
2080 }
2081
2082 /* Routines for all individual PORT attributes */
2083 static int
2084 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2085                             struct lpfc_fdmi_attr_def *ad)
2086 {
2087         struct lpfc_fdmi_attr_entry *ae;
2088         uint32_t size;
2089
2090         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2091         memset(ae, 0, 32);
2092
2093         ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2094         ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2095         ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2096         size = FOURBYTES + 32;
2097         ad->AttrLen = cpu_to_be16(size);
2098         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2099         return size;
2100 }
2101
2102 static int
2103 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2104                                   struct lpfc_fdmi_attr_def *ad)
2105 {
2106         struct lpfc_hba   *phba = vport->phba;
2107         struct lpfc_fdmi_attr_entry *ae;
2108         uint32_t size;
2109
2110         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2111
2112         ae->un.AttrInt = 0;
2113         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2114                 if (phba->lmt & LMT_32Gb)
2115                         ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2116                 if (phba->lmt & LMT_16Gb)
2117                         ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2118                 if (phba->lmt & LMT_10Gb)
2119                         ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2120                 if (phba->lmt & LMT_8Gb)
2121                         ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2122                 if (phba->lmt & LMT_4Gb)
2123                         ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2124                 if (phba->lmt & LMT_2Gb)
2125                         ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2126                 if (phba->lmt & LMT_1Gb)
2127                         ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2128         } else {
2129                 /* FCoE links support only one speed */
2130                 switch (phba->fc_linkspeed) {
2131                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2132                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
2133                         break;
2134                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2135                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
2136                         break;
2137                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2138                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
2139                         break;
2140                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2141                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
2142                         break;
2143                 }
2144         }
2145         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2146         size = FOURBYTES + sizeof(uint32_t);
2147         ad->AttrLen = cpu_to_be16(size);
2148         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2149         return size;
2150 }
2151
2152 static int
2153 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2154                           struct lpfc_fdmi_attr_def *ad)
2155 {
2156         struct lpfc_hba   *phba = vport->phba;
2157         struct lpfc_fdmi_attr_entry *ae;
2158         uint32_t size;
2159
2160         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2161
2162         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2163                 switch (phba->fc_linkspeed) {
2164                 case LPFC_LINK_SPEED_1GHZ:
2165                         ae->un.AttrInt = HBA_PORTSPEED_1GFC;
2166                         break;
2167                 case LPFC_LINK_SPEED_2GHZ:
2168                         ae->un.AttrInt = HBA_PORTSPEED_2GFC;
2169                         break;
2170                 case LPFC_LINK_SPEED_4GHZ:
2171                         ae->un.AttrInt = HBA_PORTSPEED_4GFC;
2172                         break;
2173                 case LPFC_LINK_SPEED_8GHZ:
2174                         ae->un.AttrInt = HBA_PORTSPEED_8GFC;
2175                         break;
2176                 case LPFC_LINK_SPEED_10GHZ:
2177                         ae->un.AttrInt = HBA_PORTSPEED_10GFC;
2178                         break;
2179                 case LPFC_LINK_SPEED_16GHZ:
2180                         ae->un.AttrInt = HBA_PORTSPEED_16GFC;
2181                         break;
2182                 case LPFC_LINK_SPEED_32GHZ:
2183                         ae->un.AttrInt = HBA_PORTSPEED_32GFC;
2184                         break;
2185                 default:
2186                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2187                         break;
2188                 }
2189         } else {
2190                 switch (phba->fc_linkspeed) {
2191                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2192                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
2193                         break;
2194                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2195                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
2196                         break;
2197                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2198                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
2199                         break;
2200                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2201                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
2202                         break;
2203                 default:
2204                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2205                         break;
2206                 }
2207         }
2208
2209         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2210         size = FOURBYTES + sizeof(uint32_t);
2211         ad->AttrLen = cpu_to_be16(size);
2212         ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
2213         return size;
2214 }
2215
2216 static int
2217 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
2218                               struct lpfc_fdmi_attr_def *ad)
2219 {
2220         struct serv_parm *hsp;
2221         struct lpfc_fdmi_attr_entry *ae;
2222         uint32_t size;
2223
2224         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2225
2226         hsp = (struct serv_parm *)&vport->fc_sparam;
2227         ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb) << 8) |
2228                           (uint32_t) hsp->cmn.bbRcvSizeLsb;
2229         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2230         size = FOURBYTES + sizeof(uint32_t);
2231         ad->AttrLen = cpu_to_be16(size);
2232         ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
2233         return size;
2234 }
2235
2236 static int
2237 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
2238                                struct lpfc_fdmi_attr_def *ad)
2239 {
2240         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2241         struct lpfc_fdmi_attr_entry *ae;
2242         uint32_t len, size;
2243
2244         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2245         memset(ae, 0, 256);
2246
2247         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
2248                  "/sys/class/scsi_host/host%d", shost->host_no);
2249         len = strnlen((char *)ae->un.AttrString,
2250                           sizeof(ae->un.AttrString));
2251         len += (len & 3) ? (4 - (len & 3)) : 4;
2252         size = FOURBYTES + len;
2253         ad->AttrLen = cpu_to_be16(size);
2254         ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
2255         return size;
2256 }
2257
2258 static int
2259 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
2260                               struct lpfc_fdmi_attr_def *ad)
2261 {
2262         struct lpfc_fdmi_attr_entry *ae;
2263         uint32_t len, size;
2264
2265         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2266         memset(ae, 0, 256);
2267
2268         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
2269                  init_utsname()->nodename);
2270
2271         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2272         len += (len & 3) ? (4 - (len & 3)) : 4;
2273         size = FOURBYTES + len;
2274         ad->AttrLen = cpu_to_be16(size);
2275         ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
2276         return size;
2277 }
2278
2279 static int
2280 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
2281                          struct lpfc_fdmi_attr_def *ad)
2282 {
2283         struct lpfc_fdmi_attr_entry *ae;
2284         uint32_t size;
2285
2286         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2287         memset(ae, 0,  sizeof(struct lpfc_name));
2288
2289         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2290                sizeof(struct lpfc_name));
2291         size = FOURBYTES + sizeof(struct lpfc_name);
2292         ad->AttrLen = cpu_to_be16(size);
2293         ad->AttrType = cpu_to_be16(RPRT_NODENAME);
2294         return size;
2295 }
2296
2297 static int
2298 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
2299                          struct lpfc_fdmi_attr_def *ad)
2300 {
2301         struct lpfc_fdmi_attr_entry *ae;
2302         uint32_t size;
2303
2304         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2305         memset(ae, 0,  sizeof(struct lpfc_name));
2306
2307         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
2308                sizeof(struct lpfc_name));
2309         size = FOURBYTES + sizeof(struct lpfc_name);
2310         ad->AttrLen = cpu_to_be16(size);
2311         ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
2312         return size;
2313 }
2314
2315 static int
2316 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
2317                                   struct lpfc_fdmi_attr_def *ad)
2318 {
2319         struct lpfc_fdmi_attr_entry *ae;
2320         uint32_t len, size;
2321
2322         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2323         memset(ae, 0, 256);
2324
2325         len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
2326         len += (len & 3) ? (4 - (len & 3)) : 4;
2327         size = FOURBYTES + len;
2328         ad->AttrLen = cpu_to_be16(size);
2329         ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
2330         return size;
2331 }
2332
2333 static int
2334 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
2335                               struct lpfc_fdmi_attr_def *ad)
2336 {
2337         struct lpfc_hba *phba = vport->phba;
2338         struct lpfc_fdmi_attr_entry *ae;
2339         uint32_t size;
2340
2341         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2342         if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
2343                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
2344         else
2345                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
2346         size = FOURBYTES + sizeof(uint32_t);
2347         ad->AttrLen = cpu_to_be16(size);
2348         ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
2349         return size;
2350 }
2351
2352 static int
2353 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
2354                           struct lpfc_fdmi_attr_def *ad)
2355 {
2356         struct lpfc_fdmi_attr_entry *ae;
2357         uint32_t size;
2358
2359         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2360         ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
2361         size = FOURBYTES + sizeof(uint32_t);
2362         ad->AttrLen = cpu_to_be16(size);
2363         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
2364         return size;
2365 }
2366
2367 static int
2368 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
2369                                 struct lpfc_fdmi_attr_def *ad)
2370 {
2371         struct lpfc_fdmi_attr_entry *ae;
2372         uint32_t size;
2373
2374         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2375         memset(ae, 0,  sizeof(struct lpfc_name));
2376
2377         memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
2378                sizeof(struct lpfc_name));
2379         size = FOURBYTES + sizeof(struct lpfc_name);
2380         ad->AttrLen = cpu_to_be16(size);
2381         ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
2382         return size;
2383 }
2384
2385 static int
2386 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
2387                                    struct lpfc_fdmi_attr_def *ad)
2388 {
2389         struct lpfc_fdmi_attr_entry *ae;
2390         uint32_t size;
2391
2392         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2393         memset(ae, 0, 32);
2394
2395         ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2396         ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2397         ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2398         size = FOURBYTES + 32;
2399         ad->AttrLen = cpu_to_be16(size);
2400         ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
2401         return size;
2402 }
2403
2404 static int
2405 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
2406                                struct lpfc_fdmi_attr_def *ad)
2407 {
2408         struct lpfc_fdmi_attr_entry *ae;
2409         uint32_t size;
2410
2411         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2412         /* Link Up - operational */
2413         ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
2414         size = FOURBYTES + sizeof(uint32_t);
2415         ad->AttrLen = cpu_to_be16(size);
2416         ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
2417         return size;
2418 }
2419
2420 static int
2421 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
2422                              struct lpfc_fdmi_attr_def *ad)
2423 {
2424         struct lpfc_fdmi_attr_entry *ae;
2425         uint32_t size;
2426
2427         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2428         vport->fdmi_num_disc = lpfc_find_map_node(vport);
2429         ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
2430         size = FOURBYTES + sizeof(uint32_t);
2431         ad->AttrLen = cpu_to_be16(size);
2432         ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
2433         return size;
2434 }
2435
2436 static int
2437 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
2438                             struct lpfc_fdmi_attr_def *ad)
2439 {
2440         struct lpfc_fdmi_attr_entry *ae;
2441         uint32_t size;
2442
2443         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2444         ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
2445         size = FOURBYTES + sizeof(uint32_t);
2446         ad->AttrLen = cpu_to_be16(size);
2447         ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
2448         return size;
2449 }
2450
2451 static int
2452 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
2453                              struct lpfc_fdmi_attr_def *ad)
2454 {
2455         struct lpfc_fdmi_attr_entry *ae;
2456         uint32_t len, size;
2457
2458         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2459         memset(ae, 0, 256);
2460
2461         strncpy(ae->un.AttrString, "Smart SAN Initiator",
2462                 sizeof(ae->un.AttrString));
2463         len = strnlen(ae->un.AttrString,
2464                           sizeof(ae->un.AttrString));
2465         len += (len & 3) ? (4 - (len & 3)) : 4;
2466         size = FOURBYTES + len;
2467         ad->AttrLen = cpu_to_be16(size);
2468         ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
2469         return size;
2470 }
2471
2472 static int
2473 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
2474                           struct lpfc_fdmi_attr_def *ad)
2475 {
2476         struct lpfc_fdmi_attr_entry *ae;
2477         uint32_t size;
2478
2479         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2480         memset(ae, 0, 256);
2481
2482         memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
2483                sizeof(struct lpfc_name));
2484         memcpy((((uint8_t *)&ae->un.AttrString) +
2485                 sizeof(struct lpfc_name)),
2486                 &vport->fc_sparam.portName, sizeof(struct lpfc_name));
2487         size = FOURBYTES + (2 * sizeof(struct lpfc_name));
2488         ad->AttrLen =  cpu_to_be16(size);
2489         ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
2490         return size;
2491 }
2492
2493 static int
2494 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
2495                              struct lpfc_fdmi_attr_def *ad)
2496 {
2497         struct lpfc_fdmi_attr_entry *ae;
2498         uint32_t len, size;
2499
2500         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2501         memset(ae, 0, 256);
2502
2503         strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
2504                 sizeof(ae->un.AttrString));
2505         len = strnlen(ae->un.AttrString,
2506                           sizeof(ae->un.AttrString));
2507         len += (len & 3) ? (4 - (len & 3)) : 4;
2508         size = FOURBYTES + len;
2509         ad->AttrLen =  cpu_to_be16(size);
2510         ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
2511         return size;
2512 }
2513
2514 static int
2515 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
2516                            struct lpfc_fdmi_attr_def *ad)
2517 {
2518         struct lpfc_hba *phba = vport->phba;
2519         struct lpfc_fdmi_attr_entry *ae;
2520         uint32_t len, size;
2521
2522         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2523         memset(ae, 0, 256);
2524
2525         strncpy(ae->un.AttrString, phba->ModelName,
2526                 sizeof(ae->un.AttrString));
2527         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2528         len += (len & 3) ? (4 - (len & 3)) : 4;
2529         size = FOURBYTES + len;
2530         ad->AttrLen = cpu_to_be16(size);
2531         ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
2532         return size;
2533 }
2534
2535 static int
2536 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
2537                                struct lpfc_fdmi_attr_def *ad)
2538 {
2539         struct lpfc_fdmi_attr_entry *ae;
2540         uint32_t size;
2541
2542         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2543
2544         /* SRIOV (type 3) is not supported */
2545         if (vport->vpi)
2546                 ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
2547         else
2548                 ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
2549         size = FOURBYTES + sizeof(uint32_t);
2550         ad->AttrLen = cpu_to_be16(size);
2551         ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
2552         return size;
2553 }
2554
2555 static int
2556 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
2557                          struct lpfc_fdmi_attr_def *ad)
2558 {
2559         struct lpfc_fdmi_attr_entry *ae;
2560         uint32_t size;
2561
2562         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2563         ae->un.AttrInt =  cpu_to_be32(0);
2564         size = FOURBYTES + sizeof(uint32_t);
2565         ad->AttrLen = cpu_to_be16(size);
2566         ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
2567         return size;
2568 }
2569
2570 static int
2571 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
2572                               struct lpfc_fdmi_attr_def *ad)
2573 {
2574         struct lpfc_fdmi_attr_entry *ae;
2575         uint32_t size;
2576
2577         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2578         ae->un.AttrInt =  cpu_to_be32(1);
2579         size = FOURBYTES + sizeof(uint32_t);
2580         ad->AttrLen = cpu_to_be16(size);
2581         ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
2582         return size;
2583 }
2584
2585 /* RHBA attribute jump table */
2586 int (*lpfc_fdmi_hba_action[])
2587         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2588         /* Action routine                 Mask bit     Attribute type */
2589         lpfc_fdmi_hba_attr_wwnn,          /* bit0     RHBA_NODENAME           */
2590         lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
2591         lpfc_fdmi_hba_attr_sn,            /* bit2     RHBA_SERIAL_NUMBER      */
2592         lpfc_fdmi_hba_attr_model,         /* bit3     RHBA_MODEL              */
2593         lpfc_fdmi_hba_attr_description,   /* bit4     RHBA_MODEL_DESCRIPTION  */
2594         lpfc_fdmi_hba_attr_hdw_ver,       /* bit5     RHBA_HARDWARE_VERSION   */
2595         lpfc_fdmi_hba_attr_drvr_ver,      /* bit6     RHBA_DRIVER_VERSION     */
2596         lpfc_fdmi_hba_attr_rom_ver,       /* bit7     RHBA_OPTION_ROM_VERSION */
2597         lpfc_fdmi_hba_attr_fmw_ver,       /* bit8     RHBA_FIRMWARE_VERSION   */
2598         lpfc_fdmi_hba_attr_os_ver,        /* bit9     RHBA_OS_NAME_VERSION    */
2599         lpfc_fdmi_hba_attr_ct_len,        /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
2600         lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
2601         lpfc_fdmi_hba_attr_vendor_info,   /* bit12    RHBA_VENDOR_INFO        */
2602         lpfc_fdmi_hba_attr_num_ports,     /* bit13    RHBA_NUM_PORTS          */
2603         lpfc_fdmi_hba_attr_fabric_wwnn,   /* bit14    RHBA_FABRIC_WWNN        */
2604         lpfc_fdmi_hba_attr_bios_ver,      /* bit15    RHBA_BIOS_VERSION       */
2605         lpfc_fdmi_hba_attr_bios_state,    /* bit16    RHBA_BIOS_STATE         */
2606         lpfc_fdmi_hba_attr_vendor_id,     /* bit17    RHBA_VENDOR_ID          */
2607 };
2608
2609 /* RPA / RPRT attribute jump table */
2610 int (*lpfc_fdmi_port_action[])
2611         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2612         /* Action routine                   Mask bit   Attribute type */
2613         lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
2614         lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
2615         lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
2616         lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
2617         lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
2618         lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
2619         lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
2620         lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
2621         lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
2622         lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
2623         lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
2624         lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
2625         lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
2626         lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
2627         lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
2628         lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
2629         lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
2630         lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
2631         lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
2632         lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
2633         lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
2634         lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
2635         lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
2636 };
2637
2638 /**
2639  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
2640  * @vport: pointer to a host virtual N_Port data structure.
2641  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
2642  * cmdcode: FDMI command to send
2643  * mask: Mask of HBA or PORT Attributes to send
2644  *
2645  * Builds and sends a FDMI command using the CT subsystem.
2646  */
2647 int
2648 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2649               int cmdcode, uint32_t new_mask)
2650 {
2651         struct lpfc_hba *phba = vport->phba;
2652         struct lpfc_dmabuf *mp, *bmp;
2653         struct lpfc_sli_ct_request *CtReq;
2654         struct ulp_bde64 *bpl;
2655         uint32_t bit_pos;
2656         uint32_t size;
2657         uint32_t rsp_size;
2658         uint32_t mask;
2659         struct lpfc_fdmi_reg_hba *rh;
2660         struct lpfc_fdmi_port_entry *pe;
2661         struct lpfc_fdmi_reg_portattr *pab = NULL;
2662         struct lpfc_fdmi_attr_block *ab = NULL;
2663         int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
2664         void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
2665                      struct lpfc_iocbq *);
2666
2667         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
2668                 return 0;
2669
2670         cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
2671
2672         /* fill in BDEs for command */
2673         /* Allocate buffer for command payload */
2674         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2675         if (!mp)
2676                 goto fdmi_cmd_exit;
2677
2678         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
2679         if (!mp->virt)
2680                 goto fdmi_cmd_free_mp;
2681
2682         /* Allocate buffer for Buffer ptr list */
2683         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2684         if (!bmp)
2685                 goto fdmi_cmd_free_mpvirt;
2686
2687         bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
2688         if (!bmp->virt)
2689                 goto fdmi_cmd_free_bmp;
2690
2691         INIT_LIST_HEAD(&mp->list);
2692         INIT_LIST_HEAD(&bmp->list);
2693
2694         /* FDMI request */
2695         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2696                          "0218 FDMI Request Data: x%x x%x x%x\n",
2697                          vport->fc_flag, vport->port_state, cmdcode);
2698         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
2699
2700         /* First populate the CT_IU preamble */
2701         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
2702         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
2703         CtReq->RevisionId.bits.InId = 0;
2704
2705         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
2706         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
2707
2708         CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
2709         rsp_size = LPFC_BPL_SIZE;
2710         size = 0;
2711
2712         /* Next fill in the specific FDMI cmd information */
2713         switch (cmdcode) {
2714         case SLI_MGMT_RHAT:
2715         case SLI_MGMT_RHBA:
2716                 rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
2717                 /* HBA Identifier */
2718                 memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
2719                        sizeof(struct lpfc_name));
2720
2721                 if (cmdcode == SLI_MGMT_RHBA) {
2722                         /* Registered Port List */
2723                         /* One entry (port) per adapter */
2724                         rh->rpl.EntryCnt = cpu_to_be32(1);
2725                         memcpy(&rh->rpl.pe, &phba->pport->fc_sparam.portName,
2726                                sizeof(struct lpfc_name));
2727
2728                         /* point to the HBA attribute block */
2729                         size = 2 * sizeof(struct lpfc_name) +
2730                                 FOURBYTES;
2731                 } else {
2732                         size = sizeof(struct lpfc_name);
2733                 }
2734                 ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
2735                 ab->EntryCnt = 0;
2736                 size += FOURBYTES;
2737                 bit_pos = 0;
2738                 if (new_mask)
2739                         mask = new_mask;
2740                 else
2741                         mask = vport->fdmi_hba_mask;
2742
2743                 /* Mask will dictate what attributes to build in the request */
2744                 while (mask) {
2745                         if (mask & 0x1) {
2746                                 func = lpfc_fdmi_hba_action[bit_pos];
2747                                 size += func(vport,
2748                                              (struct lpfc_fdmi_attr_def *)
2749                                              ((uint8_t *)rh + size));
2750                                 ab->EntryCnt++;
2751                                 if ((size + 256) >
2752                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2753                                         goto hba_out;
2754                         }
2755                         mask = mask >> 1;
2756                         bit_pos++;
2757                 }
2758 hba_out:
2759                 ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
2760                 /* Total size */
2761                 size = GID_REQUEST_SZ - 4 + size;
2762                 break;
2763
2764         case SLI_MGMT_RPRT:
2765         case SLI_MGMT_RPA:
2766                 pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
2767                 if (cmdcode == SLI_MGMT_RPRT) {
2768                         rh = (struct lpfc_fdmi_reg_hba *)pab;
2769                         /* HBA Identifier */
2770                         memcpy(&rh->hi.PortName,
2771                                &phba->pport->fc_sparam.portName,
2772                                sizeof(struct lpfc_name));
2773                         pab = (struct lpfc_fdmi_reg_portattr *)
2774                                 ((uint8_t *)pab +  sizeof(struct lpfc_name));
2775                 }
2776
2777                 memcpy((uint8_t *)&pab->PortName,
2778                        (uint8_t *)&vport->fc_sparam.portName,
2779                        sizeof(struct lpfc_name));
2780                 size += sizeof(struct lpfc_name) + FOURBYTES;
2781                 pab->ab.EntryCnt = 0;
2782                 bit_pos = 0;
2783                 if (new_mask)
2784                         mask = new_mask;
2785                 else
2786                         mask = vport->fdmi_port_mask;
2787
2788                 /* Mask will dictate what attributes to build in the request */
2789                 while (mask) {
2790                         if (mask & 0x1) {
2791                                 func = lpfc_fdmi_port_action[bit_pos];
2792                                 size += func(vport,
2793                                              (struct lpfc_fdmi_attr_def *)
2794                                              ((uint8_t *)pab + size));
2795                                 pab->ab.EntryCnt++;
2796                                 if ((size + 256) >
2797                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2798                                         goto port_out;
2799                         }
2800                         mask = mask >> 1;
2801                         bit_pos++;
2802                 }
2803 port_out:
2804                 pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
2805                 /* Total size */
2806                 if (cmdcode == SLI_MGMT_RPRT)
2807                         size += sizeof(struct lpfc_name);
2808                 size = GID_REQUEST_SZ - 4 + size;
2809                 break;
2810
2811         case SLI_MGMT_GHAT:
2812         case SLI_MGMT_GRPL:
2813                 rsp_size = FC_MAX_NS_RSP;
2814         case SLI_MGMT_DHBA:
2815         case SLI_MGMT_DHAT:
2816                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2817                 memcpy((uint8_t *)&pe->PortName,
2818                        (uint8_t *)&vport->fc_sparam.portName,
2819                        sizeof(struct lpfc_name));
2820                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2821                 break;
2822
2823         case SLI_MGMT_GPAT:
2824         case SLI_MGMT_GPAS:
2825                 rsp_size = FC_MAX_NS_RSP;
2826         case SLI_MGMT_DPRT:
2827         case SLI_MGMT_DPA:
2828                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2829                 memcpy((uint8_t *)&pe->PortName,
2830                        (uint8_t *)&vport->fc_sparam.portName,
2831                        sizeof(struct lpfc_name));
2832                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2833                 break;
2834         case SLI_MGMT_GRHL:
2835                 size = GID_REQUEST_SZ - 4;
2836                 break;
2837         default:
2838                 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
2839                                  "0298 FDMI cmdcode x%x not supported\n",
2840                                  cmdcode);
2841                 goto fdmi_cmd_free_bmpvirt;
2842         }
2843         CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
2844
2845         bpl = (struct ulp_bde64 *)bmp->virt;
2846         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
2847         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
2848         bpl->tus.f.bdeFlags = 0;
2849         bpl->tus.f.bdeSize = size;
2850
2851         /*
2852          * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2853          * to hold ndlp reference for the corresponding callback function.
2854          */
2855         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
2856                 return 0;
2857
2858         /*
2859          * Decrement ndlp reference count to release ndlp reference held
2860          * for the failed command's callback function.
2861          */
2862         lpfc_nlp_put(ndlp);
2863
2864 fdmi_cmd_free_bmpvirt:
2865         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2866 fdmi_cmd_free_bmp:
2867         kfree(bmp);
2868 fdmi_cmd_free_mpvirt:
2869         lpfc_mbuf_free(phba, mp->virt, mp->phys);
2870 fdmi_cmd_free_mp:
2871         kfree(mp);
2872 fdmi_cmd_exit:
2873         /* Issue FDMI request failed */
2874         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2875                          "0244 Issue FDMI request failed Data: x%x\n",
2876                          cmdcode);
2877         return 1;
2878 }
2879
2880 /**
2881  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
2882  * @ptr - Context object of the timer.
2883  *
2884  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
2885  * the worker thread.
2886  **/
2887 void
2888 lpfc_delayed_disc_tmo(unsigned long ptr)
2889 {
2890         struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
2891         struct lpfc_hba   *phba = vport->phba;
2892         uint32_t tmo_posted;
2893         unsigned long iflag;
2894
2895         spin_lock_irqsave(&vport->work_port_lock, iflag);
2896         tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
2897         if (!tmo_posted)
2898                 vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
2899         spin_unlock_irqrestore(&vport->work_port_lock, iflag);
2900
2901         if (!tmo_posted)
2902                 lpfc_worker_wake_up(phba);
2903         return;
2904 }
2905
2906 /**
2907  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
2908  *      handle delayed discovery.
2909  * @vport: pointer to a host virtual N_Port data structure.
2910  *
2911  * This function start nport discovery of the vport.
2912  **/
2913 void
2914 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
2915 {
2916         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2917
2918         spin_lock_irq(shost->host_lock);
2919         if (!(vport->fc_flag & FC_DISC_DELAYED)) {
2920                 spin_unlock_irq(shost->host_lock);
2921                 return;
2922         }
2923         vport->fc_flag &= ~FC_DISC_DELAYED;
2924         spin_unlock_irq(shost->host_lock);
2925
2926         lpfc_do_scr_ns_plogi(vport->phba, vport);
2927 }
2928
2929 void
2930 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
2931 {
2932         struct lpfc_sli *psli = &phba->sli;
2933         lpfc_vpd_t *vp = &phba->vpd;
2934         uint32_t b1, b2, b3, b4, i, rev;
2935         char c;
2936         uint32_t *ptr, str[4];
2937         uint8_t *fwname;
2938
2939         if (phba->sli_rev == LPFC_SLI_REV4)
2940                 snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
2941         else if (vp->rev.rBit) {
2942                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
2943                         rev = vp->rev.sli2FwRev;
2944                 else
2945                         rev = vp->rev.sli1FwRev;
2946
2947                 b1 = (rev & 0x0000f000) >> 12;
2948                 b2 = (rev & 0x00000f00) >> 8;
2949                 b3 = (rev & 0x000000c0) >> 6;
2950                 b4 = (rev & 0x00000030) >> 4;
2951
2952                 switch (b4) {
2953                 case 0:
2954                         c = 'N';
2955                         break;
2956                 case 1:
2957                         c = 'A';
2958                         break;
2959                 case 2:
2960                         c = 'B';
2961                         break;
2962                 case 3:
2963                         c = 'X';
2964                         break;
2965                 default:
2966                         c = 0;
2967                         break;
2968                 }
2969                 b4 = (rev & 0x0000000f);
2970
2971                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
2972                         fwname = vp->rev.sli2FwName;
2973                 else
2974                         fwname = vp->rev.sli1FwName;
2975
2976                 for (i = 0; i < 16; i++)
2977                         if (fwname[i] == 0x20)
2978                                 fwname[i] = 0;
2979
2980                 ptr = (uint32_t*)fwname;
2981
2982                 for (i = 0; i < 3; i++)
2983                         str[i] = be32_to_cpu(*ptr++);
2984
2985                 if (c == 0) {
2986                         if (flag)
2987                                 sprintf(fwrevision, "%d.%d%d (%s)",
2988                                         b1, b2, b3, (char *)str);
2989                         else
2990                                 sprintf(fwrevision, "%d.%d%d", b1,
2991                                         b2, b3);
2992                 } else {
2993                         if (flag)
2994                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
2995                                         b1, b2, b3, c,
2996                                         b4, (char *)str);
2997                         else
2998                                 sprintf(fwrevision, "%d.%d%d%c%d",
2999                                         b1, b2, b3, c, b4);
3000                 }
3001         } else {
3002                 rev = vp->rev.smFwRev;
3003
3004                 b1 = (rev & 0xff000000) >> 24;
3005                 b2 = (rev & 0x00f00000) >> 20;
3006                 b3 = (rev & 0x000f0000) >> 16;
3007                 c  = (rev & 0x0000ff00) >> 8;
3008                 b4 = (rev & 0x000000ff);
3009
3010                 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3011         }
3012         return;
3013 }