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) 2017-2020 Broadcom. All Rights Reserved. The term *
   5  * “Broadcom” refers to Broadcom Inc. 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_logmsg.h"
  48 #include "lpfc_crtn.h"
  49 #include "lpfc_version.h"
  50 #include "lpfc_vport.h"
  51 #include "lpfc_debugfs.h"
  52
  53 /* FDMI Port Speed definitions - FC-GS-7 */
  54 #define HBA_PORTSPEED_1GFC              0x00000001      /* 1G FC */
  55 #define HBA_PORTSPEED_2GFC              0x00000002      /* 2G FC */
  56 #define HBA_PORTSPEED_4GFC              0x00000008      /* 4G FC */
  57 #define HBA_PORTSPEED_10GFC             0x00000004      /* 10G FC */
  58 #define HBA_PORTSPEED_8GFC              0x00000010      /* 8G FC */
  59 #define HBA_PORTSPEED_16GFC             0x00000020      /* 16G FC */
  60 #define HBA_PORTSPEED_32GFC             0x00000040      /* 32G FC */
  61 #define HBA_PORTSPEED_20GFC             0x00000080      /* 20G FC */
  62 #define HBA_PORTSPEED_40GFC             0x00000100      /* 40G FC */
  63 #define HBA_PORTSPEED_128GFC            0x00000200      /* 128G FC */
  64 #define HBA_PORTSPEED_64GFC             0x00000400      /* 64G FC */
  65 #define HBA_PORTSPEED_256GFC            0x00000800      /* 256G FC */
  66 #define HBA_PORTSPEED_UNKNOWN           0x00008000      /* Unknown */
  67 #define HBA_PORTSPEED_10GE              0x00010000      /* 10G E */
  68 #define HBA_PORTSPEED_40GE              0x00020000      /* 40G E */
  69 #define HBA_PORTSPEED_100GE             0x00040000      /* 100G E */
  70 #define HBA_PORTSPEED_25GE              0x00080000      /* 25G E */
  71 #define HBA_PORTSPEED_50GE              0x00100000      /* 50G E */
  72 #define HBA_PORTSPEED_400GE             0x00200000      /* 400G E */
  73
  74 #define FOURBYTES       4
  75
  76
  77 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
  78
  79 static void
  80 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  81                           struct lpfc_dmabuf *mp, uint32_t size)
  82 {
  83         if (!mp) {
  84                 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  85                                 "0146 Ignoring unsolicited CT No HBQ "
  86                                 "status = x%x\n",
  87                                 piocbq->iocb.ulpStatus);
  88         }
  89         lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  90                         "0145 Ignoring unsolicted CT HBQ Size:%d "
  91                         "status = x%x\n",
  92                         size, piocbq->iocb.ulpStatus);
  93 }
  94
  95 static void
  96 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  97                      struct lpfc_dmabuf *mp, uint32_t size)
  98 {
  99         lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
 100 }
 101
 102 /**
 103  * lpfc_ct_unsol_cmpl : Completion callback function for unsol ct commands
 104  * @phba : pointer to lpfc hba data structure.
 105  * @cmdiocb : pointer to lpfc command iocb data structure.
 106  * @rspiocb : pointer to lpfc response iocb data structure.
 107  *
 108  * This routine is the callback function for issuing unsol ct reject command.
 109  * The memory allocated in the reject command path is freed up here.
 110  **/
 111 static void
 112 lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 113                    struct lpfc_iocbq *rspiocb)
 114 {
 115         struct lpfc_nodelist *ndlp;
 116         struct lpfc_dmabuf *mp, *bmp;
 117
 118         ndlp = (struct lpfc_nodelist *)cmdiocb->context1;
 119         if (ndlp)
 120                 lpfc_nlp_put(ndlp);
 121
 122         mp = cmdiocb->context2;
 123         bmp = cmdiocb->context3;
 124         if (mp) {
 125                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 126                 kfree(mp);
 127                 cmdiocb->context2 = NULL;
 128         }
 129
 130         if (bmp) {
 131                 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
 132                 kfree(bmp);
 133                 cmdiocb->context3 = NULL;
 134         }
 135
 136         lpfc_sli_release_iocbq(phba, cmdiocb);
 137 }
 138
 139 /**
 140  * lpfc_ct_reject_event : Issue reject for unhandled CT MIB commands
 141  * @ndlp : pointer to a node-list data structure.
 142  * ct_req : pointer to the CT request data structure.
 143  * rx_id : rx_id of the received UNSOL CT command
 144  * ox_id : ox_id of the UNSOL CT command
 145  *
 146  * This routine is invoked by the lpfc_ct_handle_mibreq routine for sending
 147  * a reject response. Reject response is sent for the unhandled commands.
 148  **/
 149 static void
 150 lpfc_ct_reject_event(struct lpfc_nodelist *ndlp,
 151                      struct lpfc_sli_ct_request *ct_req,
 152                      u16 rx_id, u16 ox_id)
 153 {
 154         struct lpfc_vport *vport = ndlp->vport;
 155         struct lpfc_hba *phba = vport->phba;
 156         struct lpfc_sli_ct_request *ct_rsp;
 157         struct lpfc_iocbq *cmdiocbq = NULL;
 158         struct lpfc_dmabuf *bmp = NULL;
 159         struct lpfc_dmabuf *mp = NULL;
 160         struct ulp_bde64 *bpl;
 161         IOCB_t *icmd;
 162         u8 rc = 0;
 163
 164         /* fill in BDEs for command */
 165         mp = kmalloc(sizeof(*mp), GFP_KERNEL);
 166         if (!mp) {
 167                 rc = 1;
 168                 goto ct_exit;
 169         }
 170
 171         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp->phys);
 172         if (!mp->virt) {
 173                 rc = 2;
 174                 goto ct_free_mp;
 175         }
 176
 177         /* Allocate buffer for Buffer ptr list */
 178         bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
 179         if (!bmp) {
 180                 rc = 3;
 181                 goto ct_free_mpvirt;
 182         }
 183
 184         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &bmp->phys);
 185         if (!bmp->virt) {
 186                 rc = 4;
 187                 goto ct_free_bmp;
 188         }
 189
 190         INIT_LIST_HEAD(&mp->list);
 191         INIT_LIST_HEAD(&bmp->list);
 192
 193         bpl = (struct ulp_bde64 *)bmp->virt;
 194         memset(bpl, 0, sizeof(struct ulp_bde64));
 195         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
 196         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
 197         bpl->tus.f.bdeFlags = BUFF_TYPE_BLP_64;
 198         bpl->tus.f.bdeSize = (LPFC_CT_PREAMBLE - 4);
 199         bpl->tus.w = le32_to_cpu(bpl->tus.w);
 200
 201         ct_rsp = (struct lpfc_sli_ct_request *)mp->virt;
 202         memset(ct_rsp, 0, sizeof(struct lpfc_sli_ct_request));
 203
 204         ct_rsp->RevisionId.bits.Revision = SLI_CT_REVISION;
 205         ct_rsp->RevisionId.bits.InId = 0;
 206         ct_rsp->FsType = ct_req->FsType;
 207         ct_rsp->FsSubType = ct_req->FsSubType;
 208         ct_rsp->CommandResponse.bits.Size = 0;
 209         ct_rsp->CommandResponse.bits.CmdRsp =
 210                 cpu_to_be16(SLI_CT_RESPONSE_FS_RJT);
 211         ct_rsp->ReasonCode = SLI_CT_REQ_NOT_SUPPORTED;
 212         ct_rsp->Explanation = SLI_CT_NO_ADDITIONAL_EXPL;
 213
 214         cmdiocbq = lpfc_sli_get_iocbq(phba);
 215         if (!cmdiocbq) {
 216                 rc = 5;
 217                 goto ct_free_bmpvirt;
 218         }
 219
 220         icmd = &cmdiocbq->iocb;
 221         icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 222         icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 223         icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 224         icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 225         icmd->un.genreq64.bdl.bdeSize = sizeof(struct ulp_bde64);
 226         icmd->un.genreq64.w5.hcsw.Fctl = (LS | LA);
 227         icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 228         icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_SOL_CTL;
 229         icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 230         icmd->ulpCommand = CMD_XMIT_SEQUENCE64_CX;
 231         icmd->ulpBdeCount = 1;
 232         icmd->ulpLe = 1;
 233         icmd->ulpClass = CLASS3;
 234
 235         /* Save for completion so we can release these resources */
 236         cmdiocbq->context1 = lpfc_nlp_get(ndlp);
 237         cmdiocbq->context2 = (uint8_t *)mp;
 238         cmdiocbq->context3 = (uint8_t *)bmp;
 239         cmdiocbq->iocb_cmpl = lpfc_ct_unsol_cmpl;
 240         icmd->ulpContext = rx_id;  /* Xri / rx_id */
 241         icmd->unsli3.rcvsli3.ox_id = ox_id;
 242         icmd->un.ulpWord[3] =
 243                 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 244         icmd->ulpTimeout = (3 * phba->fc_ratov);
 245
 246         cmdiocbq->retry = 0;
 247         cmdiocbq->vport = vport;
 248         cmdiocbq->context_un.ndlp = NULL;
 249         cmdiocbq->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 250
 251         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
 252         if (!rc)
 253                 return;
 254
 255         rc = 6;
 256         lpfc_nlp_put(ndlp);
 257         lpfc_sli_release_iocbq(phba, cmdiocbq);
 258 ct_free_bmpvirt:
 259         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
 260 ct_free_bmp:
 261         kfree(bmp);
 262 ct_free_mpvirt:
 263         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 264 ct_free_mp:
 265         kfree(mp);
 266 ct_exit:
 267         lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 268                          "6440 Unsol CT: Rsp err %d Data: x%x\n",
 269                          rc, vport->fc_flag);
 270 }
 271
 272 /**
 273  * lpfc_ct_handle_mibreq - Process an unsolicited CT MIB request data buffer
 274  * @phba: pointer to lpfc hba data structure.
 275  * @ctiocb: pointer to lpfc CT command iocb data structure.
 276  *
 277  * This routine is used for processing the IOCB associated with a unsolicited
 278  * CT MIB request. It first determines whether there is an existing ndlp that
 279  * matches the DID from the unsolicited IOCB. If not, it will return.
 280  **/
 281 static void
 282 lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq)
 283 {
 284         struct lpfc_sli_ct_request *ct_req;
 285         struct lpfc_nodelist *ndlp = NULL;
 286         struct lpfc_vport *vport = NULL;
 287         IOCB_t *icmd = &ctiocbq->iocb;
 288         u32 mi_cmd, vpi;
 289         u32 did = 0;
 290
 291         vpi = ctiocbq->iocb.unsli3.rcvsli3.vpi;
 292         vport = lpfc_find_vport_by_vpid(phba, vpi);
 293         if (!vport) {
 294                 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
 295                                 "6437 Unsol CT: VPORT NULL vpi : x%x\n",
 296                                 vpi);
 297                 return;
 298         }
 299
 300         did = ctiocbq->iocb.un.rcvels.remoteID;
 301         if (icmd->ulpStatus) {
 302                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 303                                  "6438 Unsol CT: status:x%x/x%x did : x%x\n",
 304                                  icmd->ulpStatus, icmd->un.ulpWord[4], did);
 305                 return;
 306         }
 307
 308         /* Ignore traffic received during vport shutdown */
 309         if (vport->fc_flag & FC_UNLOADING)
 310                 return;
 311
 312         ndlp = lpfc_findnode_did(vport, did);
 313         if (!ndlp) {
 314                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 315                                  "6439 Unsol CT: NDLP Not Found for DID : x%x",
 316                                  did);
 317                 return;
 318         }
 319
 320         ct_req = ((struct lpfc_sli_ct_request *)
 321                  (((struct lpfc_dmabuf *)ctiocbq->context2)->virt));
 322
 323         mi_cmd = ct_req->CommandResponse.bits.CmdRsp;
 324         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 325                          "6442 : MI Cmd : x%x Not Supported\n", mi_cmd);
 326         lpfc_ct_reject_event(ndlp, ct_req,
 327                              ctiocbq->iocb.ulpContext,
 328                              ctiocbq->iocb.unsli3.rcvsli3.ox_id);
 329 }
 330
 331 /**
 332  * lpfc_ct_unsol_event - Process an unsolicited event from a ct sli ring
 333  * @phba: pointer to lpfc hba data structure.
 334  * @pring: pointer to a SLI ring.
 335  * @ctiocbq: pointer to lpfc ct iocb data structure.
 336  *
 337  * This routine is used to process an unsolicited event received from a SLI
 338  * (Service Level Interface) ring. The actual processing of the data buffer
 339  * associated with the unsolicited event is done by invoking appropriate routine
 340  * after properly set up the iocb buffer from the SLI ring on which the
 341  * unsolicited event was received.
 342  **/
 343 void
 344 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 345                     struct lpfc_iocbq *ctiocbq)
 346 {
 347         struct lpfc_dmabuf *mp = NULL;
 348         IOCB_t *icmd = &ctiocbq->iocb;
 349         int i;
 350         struct lpfc_iocbq *iocbq;
 351         dma_addr_t dma_addr;
 352         uint32_t size;
 353         struct list_head head;
 354         struct lpfc_sli_ct_request *ct_req;
 355         struct lpfc_dmabuf *bdeBuf1 = ctiocbq->context2;
 356         struct lpfc_dmabuf *bdeBuf2 = ctiocbq->context3;
 357
 358         ctiocbq->context1 = NULL;
 359         ctiocbq->context2 = NULL;
 360         ctiocbq->context3 = NULL;
 361
 362         if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
 363                 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
 364         } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 365                    ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
 366                    IOERR_RCV_BUFFER_WAITING)) {
 367                 /* Not enough posted buffers; Try posting more buffers */
 368                 phba->fc_stat.NoRcvBuf++;
 369                 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 370                         lpfc_post_buffer(phba, pring, 2);
 371                 return;
 372         }
 373
 374         /* If there are no BDEs associated
 375          * with this IOCB, there is nothing to do.
 376          */
 377         if (icmd->ulpBdeCount == 0)
 378                 return;
 379
 380         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 381                 ctiocbq->context2 = bdeBuf1;
 382                 if (icmd->ulpBdeCount == 2)
 383                         ctiocbq->context3 = bdeBuf2;
 384         } else {
 385                 dma_addr = getPaddr(icmd->un.cont64[0].addrHigh,
 386                                     icmd->un.cont64[0].addrLow);
 387                 ctiocbq->context2 = lpfc_sli_ringpostbuf_get(phba, pring,
 388                                                              dma_addr);
 389                 if (icmd->ulpBdeCount == 2) {
 390                         dma_addr = getPaddr(icmd->un.cont64[1].addrHigh,
 391                                             icmd->un.cont64[1].addrLow);
 392                         ctiocbq->context3 = lpfc_sli_ringpostbuf_get(phba,
 393                                                                      pring,
 394                                                                      dma_addr);
 395                 }
 396         }
 397
 398         ct_req = ((struct lpfc_sli_ct_request *)
 399                  (((struct lpfc_dmabuf *)ctiocbq->context2)->virt));
 400
 401         if (ct_req->FsType == SLI_CT_MANAGEMENT_SERVICE &&
 402             ct_req->FsSubType == SLI_CT_MIB_Subtypes) {
 403                 lpfc_ct_handle_mibreq(phba, ctiocbq);
 404         } else {
 405                 if (!lpfc_bsg_ct_unsol_event(phba, pring, ctiocbq))
 406                         return;
 407         }
 408
 409         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 410                 INIT_LIST_HEAD(&head);
 411                 list_add_tail(&head, &ctiocbq->list);
 412                 list_for_each_entry(iocbq, &head, list) {
 413                         icmd = &iocbq->iocb;
 414                         if (icmd->ulpBdeCount == 0)
 415                                 continue;
 416                         bdeBuf1 = iocbq->context2;
 417                         iocbq->context2 = NULL;
 418                         size  = icmd->un.cont64[0].tus.f.bdeSize;
 419                         lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size);
 420                         lpfc_in_buf_free(phba, bdeBuf1);
 421                         if (icmd->ulpBdeCount == 2) {
 422                                 bdeBuf2 = iocbq->context3;
 423                                 iocbq->context3 = NULL;
 424                                 size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
 425                                 lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2,
 426                                                      size);
 427                                 lpfc_in_buf_free(phba, bdeBuf2);
 428                         }
 429                 }
 430                 list_del(&head);
 431         } else {
 432                 INIT_LIST_HEAD(&head);
 433                 list_add_tail(&head, &ctiocbq->list);
 434                 list_for_each_entry(iocbq, &head, list) {
 435                         icmd = &iocbq->iocb;
 436                         if (icmd->ulpBdeCount == 0)
 437                                 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 438                         for (i = 0; i < icmd->ulpBdeCount; i++) {
 439                                 dma_addr = getPaddr(icmd->un.cont64[i].addrHigh,
 440                                                     icmd->un.cont64[i].addrLow);
 441                                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
 442                                                               dma_addr);
 443                                 size = icmd->un.cont64[i].tus.f.bdeSize;
 444                                 lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 445                                 lpfc_in_buf_free(phba, mp);
 446                         }
 447                         lpfc_post_buffer(phba, pring, i);
 448                 }
 449                 list_del(&head);
 450         }
 451 }
 452
 453 /**
 454  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
 455  * @phba: Pointer to HBA context object.
 456  * @dmabuf: pointer to a dmabuf that describes the FC sequence
 457  *
 458  * This function serves as the upper level protocol abort handler for CT
 459  * protocol.
 460  *
 461  * Return 1 if abort has been handled, 0 otherwise.
 462  **/
 463 int
 464 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
 465 {
 466         int handled;
 467
 468         /* CT upper level goes through BSG */
 469         handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
 470
 471         return handled;
 472 }
 473
 474 static void
 475 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 476 {
 477         struct lpfc_dmabuf *mlast, *next_mlast;
 478
 479         list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 480                 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 481                 list_del(&mlast->list);
 482                 kfree(mlast);
 483         }
 484         lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 485         kfree(mlist);
 486         return;
 487 }
 488
 489 static struct lpfc_dmabuf *
 490 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 491                   uint32_t size, int *entries)
 492 {
 493         struct lpfc_dmabuf *mlist = NULL;
 494         struct lpfc_dmabuf *mp;
 495         int cnt, i = 0;
 496
 497         /* We get chunks of FCELSSIZE */
 498         cnt = size > FCELSSIZE ? FCELSSIZE: size;
 499
 500         while (size) {
 501                 /* Allocate buffer for rsp payload */
 502                 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 503                 if (!mp) {
 504                         if (mlist)
 505                                 lpfc_free_ct_rsp(phba, mlist);
 506                         return NULL;
 507                 }
 508
 509                 INIT_LIST_HEAD(&mp->list);
 510
 511                 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 512                     cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 513                         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 514                 else
 515                         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 516
 517                 if (!mp->virt) {
 518                         kfree(mp);
 519                         if (mlist)
 520                                 lpfc_free_ct_rsp(phba, mlist);
 521                         return NULL;
 522                 }
 523
 524                 /* Queue it to a linked list */
 525                 if (!mlist)
 526                         mlist = mp;
 527                 else
 528                         list_add_tail(&mp->list, &mlist->list);
 529
 530                 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 531                 /* build buffer ptr list for IOCB */
 532                 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 533                 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 534                 bpl->tus.f.bdeSize = (uint16_t) cnt;
 535                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
 536                 bpl++;
 537
 538                 i++;
 539                 size -= cnt;
 540         }
 541
 542         *entries = i;
 543         return mlist;
 544 }
 545
 546 int
 547 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 548 {
 549         struct lpfc_dmabuf *buf_ptr;
 550
 551         /* I/O job is complete so context is now invalid*/
 552         ctiocb->context_un.ndlp = NULL;
 553         if (ctiocb->context1) {
 554                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
 555                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 556                 kfree(buf_ptr);
 557                 ctiocb->context1 = NULL;
 558         }
 559         if (ctiocb->context2) {
 560                 lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
 561                 ctiocb->context2 = NULL;
 562         }
 563
 564         if (ctiocb->context3) {
 565                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
 566                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 567                 kfree(buf_ptr);
 568                 ctiocb->context3 = NULL;
 569         }
 570         lpfc_sli_release_iocbq(phba, ctiocb);
 571         return 0;
 572 }
 573
 574 /*
 575  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
 576  * @vport: pointer to a host virtual N_Port data structure.
 577  * @bmp: Pointer to BPL for SLI command
 578  * @inp: Pointer to data buffer for response data.
 579  * @outp: Pointer to data buffer that hold the CT command.
 580  * @cmpl: completion routine to call when command completes
 581  * @ndlp: Destination NPort nodelist entry
 582  *
 583  * This function as the final part for issuing a CT command.
 584  */
 585 static int
 586 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 587              struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 588              void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 589                      struct lpfc_iocbq *),
 590              struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
 591              uint32_t tmo, uint8_t retry)
 592 {
 593         struct lpfc_hba  *phba = vport->phba;
 594         IOCB_t *icmd;
 595         struct lpfc_iocbq *geniocb;
 596         int rc;
 597
 598         /* Allocate buffer for  command iocb */
 599         geniocb = lpfc_sli_get_iocbq(phba);
 600
 601         if (geniocb == NULL)
 602                 return 1;
 603
 604         icmd = &geniocb->iocb;
 605         icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 606         icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 607         icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 608         icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 609         icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64));
 610
 611         if (usr_flg)
 612                 geniocb->context3 = NULL;
 613         else
 614                 geniocb->context3 = (uint8_t *) bmp;
 615
 616         /* Save for completion so we can release these resources */
 617         geniocb->context1 = (uint8_t *) inp;
 618         geniocb->context2 = (uint8_t *) outp;
 619
 620         /* Fill in payload, bp points to frame payload */
 621         icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
 622
 623         /* Fill in rest of iocb */
 624         icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 625         icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 626         icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
 627         icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 628
 629         if (!tmo) {
 630                  /* FC spec states we need 3 * ratov for CT requests */
 631                 tmo = (3 * phba->fc_ratov);
 632         }
 633         icmd->ulpTimeout = tmo;
 634         icmd->ulpBdeCount = 1;
 635         icmd->ulpLe = 1;
 636         icmd->ulpClass = CLASS3;
 637         icmd->ulpContext = ndlp->nlp_rpi;
 638         if (phba->sli_rev == LPFC_SLI_REV4)
 639                 icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 640
 641         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 642                 /* For GEN_REQUEST64_CR, use the RPI */
 643                 icmd->ulpCt_h = 0;
 644                 icmd->ulpCt_l = 0;
 645         }
 646
 647         /* Issue GEN REQ IOCB for NPORT <did> */
 648         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 649                          "0119 Issue GEN REQ IOCB to NPORT x%x "
 650                          "Data: x%x x%x\n",
 651                          ndlp->nlp_DID, icmd->ulpIoTag,
 652                          vport->port_state);
 653         geniocb->iocb_cmpl = cmpl;
 654         geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 655         geniocb->vport = vport;
 656         geniocb->retry = retry;
 657         geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
 658         if (!geniocb->context_un.ndlp)
 659                 goto out;
 660         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
 661
 662         if (rc == IOCB_ERROR) {
 663                 geniocb->context_un.ndlp = NULL;
 664                 lpfc_nlp_put(ndlp);
 665                 goto out;
 666         }
 667
 668         return 0;
 669 out:
 670         lpfc_sli_release_iocbq(phba, geniocb);
 671         return 1;
 672 }
 673
 674 /*
 675  * lpfc_ct_cmd - Build and issue a CT command
 676  * @vport: pointer to a host virtual N_Port data structure.
 677  * @inmp: Pointer to data buffer for response data.
 678  * @bmp: Pointer to BPL for SLI command
 679  * @ndlp: Destination NPort nodelist entry
 680  * @cmpl: completion routine to call when command completes
 681  *
 682  * This function is called for issuing a CT command.
 683  */
 684 static int
 685 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 686             struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 687             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 688                           struct lpfc_iocbq *),
 689             uint32_t rsp_size, uint8_t retry)
 690 {
 691         struct lpfc_hba  *phba = vport->phba;
 692         struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 693         struct lpfc_dmabuf *outmp;
 694         int cnt = 0, status;
 695         int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 696                 CommandResponse.bits.CmdRsp;
 697
 698         bpl++;                  /* Skip past ct request */
 699
 700         /* Put buffer(s) for ct rsp in bpl */
 701         outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 702         if (!outmp)
 703                 return -ENOMEM;
 704         /*
 705          * Form the CT IOCB.  The total number of BDEs in this IOCB
 706          * is the single command plus response count from
 707          * lpfc_alloc_ct_rsp.
 708          */
 709         cnt += 1;
 710         status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
 711                               cnt, 0, retry);
 712         if (status) {
 713                 lpfc_free_ct_rsp(phba, outmp);
 714                 return -ENOMEM;
 715         }
 716         return 0;
 717 }
 718
 719 struct lpfc_vport *
 720 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 721         struct lpfc_vport *vport_curr;
 722         unsigned long flags;
 723
 724         spin_lock_irqsave(&phba->port_list_lock, flags);
 725         list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 726                 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 727                         spin_unlock_irqrestore(&phba->port_list_lock, flags);
 728                         return vport_curr;
 729                 }
 730         }
 731         spin_unlock_irqrestore(&phba->port_list_lock, flags);
 732         return NULL;
 733 }
 734
 735 static void
 736 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 737 {
 738         struct lpfc_nodelist *ndlp;
 739
 740         if ((vport->port_type != LPFC_NPIV_PORT) ||
 741             !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
 742
 743                 ndlp = lpfc_setup_disc_node(vport, Did);
 744
 745                 if (ndlp) {
 746                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 747                                 "Parse GID_FTrsp: did:x%x flg:x%x x%x",
 748                                 Did, ndlp->nlp_flag, vport->fc_flag);
 749
 750                         /* By default, the driver expects to support FCP FC4 */
 751                         if (fc4_type == FC_TYPE_FCP)
 752                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 753
 754                         if (fc4_type == FC_TYPE_NVME)
 755                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 756
 757                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 758                                          "0238 Process x%06x NameServer Rsp "
 759                                          "Data: x%x x%x x%x x%x x%x\n", Did,
 760                                          ndlp->nlp_flag, ndlp->nlp_fc4_type,
 761                                          ndlp->nlp_state, vport->fc_flag,
 762                                          vport->fc_rscn_id_cnt);
 763
 764                         /* if ndlp needs to be discovered and prior
 765                          * state of ndlp hit devloss, change state to
 766                          * allow rediscovery.
 767                          */
 768                         if (ndlp->nlp_flag & NLP_NPR_2B_DISC &&
 769                             ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
 770                                 lpfc_nlp_set_state(vport, ndlp,
 771                                                    NLP_STE_NPR_NODE);
 772                         }
 773                 } else {
 774                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 775                                 "Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 776                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 777
 778                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 779                                          "0239 Skip x%06x NameServer Rsp "
 780                                          "Data: x%x x%x %p\n",
 781                                          Did, vport->fc_flag,
 782                                          vport->fc_rscn_id_cnt, ndlp);
 783                 }
 784         } else {
 785                 if (!(vport->fc_flag & FC_RSCN_MODE) ||
 786                     lpfc_rscn_payload_check(vport, Did)) {
 787                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 788                                 "Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
 789                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 790
 791                         /*
 792                          * This NPortID was previously a FCP/NVMe target,
 793                          * Don't even bother to send GFF_ID.
 794                          */
 795                         ndlp = lpfc_findnode_did(vport, Did);
 796                         if (ndlp &&
 797                             (ndlp->nlp_type &
 798                             (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
 799                                 if (fc4_type == FC_TYPE_FCP)
 800                                         ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 801                                 if (fc4_type == FC_TYPE_NVME)
 802                                         ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 803                                 lpfc_setup_disc_node(vport, Did);
 804                         } else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 805                                    0, Did) == 0)
 806                                 vport->num_disc_nodes++;
 807                         else
 808                                 lpfc_setup_disc_node(vport, Did);
 809                 } else {
 810                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 811                                 "Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 812                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 813
 814                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 815                                          "0245 Skip x%06x NameServer Rsp "
 816                                          "Data: x%x x%x\n", Did,
 817                                          vport->fc_flag,
 818                                          vport->fc_rscn_id_cnt);
 819                 }
 820         }
 821 }
 822
 823 static void
 824 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 825 {
 826         struct lpfc_hba *phba = vport->phba;
 827         struct lpfc_nodelist *ndlp = NULL;
 828         char *str;
 829
 830         if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
 831                 str = "GID_FT";
 832         else
 833                 str = "GID_PT";
 834         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 835                          "6430 Process %s rsp for %08x type %x %s %s\n",
 836                          str, Did, fc4_type,
 837                          (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
 838                          (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
 839         /*
 840          * To conserve rpi's, filter out addresses for other
 841          * vports on the same physical HBAs.
 842          */
 843         if (Did != vport->fc_myDID &&
 844             (!lpfc_find_vport_by_did(phba, Did) ||
 845              vport->cfg_peer_port_login)) {
 846                 if (!phba->nvmet_support) {
 847                         /* FCPI/NVMEI path. Process Did */
 848                         lpfc_prep_node_fc4type(vport, Did, fc4_type);
 849                         return;
 850                 }
 851                 /* NVMET path.  NVMET only cares about NVMEI nodes. */
 852                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 853                         if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
 854                             ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
 855                                 continue;
 856                         spin_lock_irq(&ndlp->lock);
 857                         if (ndlp->nlp_DID == Did)
 858                                 ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 859                         else
 860                                 ndlp->nlp_flag |= NLP_NVMET_RECOV;
 861                         spin_unlock_irq(&ndlp->lock);
 862                 }
 863         }
 864 }
 865
 866 static int
 867 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
 868             uint32_t Size)
 869 {
 870         struct lpfc_sli_ct_request *Response =
 871                 (struct lpfc_sli_ct_request *) mp->virt;
 872         struct lpfc_dmabuf *mlast, *next_mp;
 873         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 874         uint32_t Did, CTentry;
 875         int Cnt;
 876         struct list_head head;
 877         struct lpfc_nodelist *ndlp = NULL;
 878
 879         lpfc_set_disctmo(vport);
 880         vport->num_disc_nodes = 0;
 881         vport->fc_ns_retry = 0;
 882
 883
 884         list_add_tail(&head, &mp->list);
 885         list_for_each_entry_safe(mp, next_mp, &head, list) {
 886                 mlast = mp;
 887
 888                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 889
 890                 Size -= Cnt;
 891
 892                 if (!ctptr) {
 893                         ctptr = (uint32_t *) mlast->virt;
 894                 } else
 895                         Cnt -= 16;      /* subtract length of CT header */
 896
 897                 /* Loop through entire NameServer list of DIDs */
 898                 while (Cnt >= sizeof(uint32_t)) {
 899                         /* Get next DID from NameServer List */
 900                         CTentry = *ctptr++;
 901                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 902                         lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
 903                         if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
 904                                 goto nsout1;
 905
 906                         Cnt -= sizeof(uint32_t);
 907                 }
 908                 ctptr = NULL;
 909
 910         }
 911
 912         /* All GID_FT entries processed.  If the driver is running in
 913          * in target mode, put impacted nodes into recovery and drop
 914          * the RPI to flush outstanding IO.
 915          */
 916         if (vport->phba->nvmet_support) {
 917                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 918                         if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
 919                                 continue;
 920                         lpfc_disc_state_machine(vport, ndlp, NULL,
 921                                                 NLP_EVT_DEVICE_RECOVERY);
 922                         spin_lock_irq(&ndlp->lock);
 923                         ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 924                         spin_unlock_irq(&ndlp->lock);
 925                 }
 926         }
 927
 928 nsout1:
 929         list_del(&head);
 930         return 0;
 931 }
 932
 933 static void
 934 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 935                         struct lpfc_iocbq *rspiocb)
 936 {
 937         struct lpfc_vport *vport = cmdiocb->vport;
 938         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 939         IOCB_t *irsp;
 940         struct lpfc_dmabuf *outp;
 941         struct lpfc_dmabuf *inp;
 942         struct lpfc_sli_ct_request *CTrsp;
 943         struct lpfc_sli_ct_request *CTreq;
 944         struct lpfc_nodelist *ndlp;
 945         int rc, type;
 946
 947         /* First save ndlp, before we overwrite it */
 948         ndlp = cmdiocb->context_un.ndlp;
 949
 950         /* we pass cmdiocb to state machine which needs rspiocb as well */
 951         cmdiocb->context_un.rsp_iocb = rspiocb;
 952         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 953         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 954         irsp = &rspiocb->iocb;
 955
 956         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 957                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 958                 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 959
 960         /* Don't bother processing response if vport is being torn down. */
 961         if (vport->load_flag & FC_UNLOADING) {
 962                 if (vport->fc_flag & FC_RSCN_MODE)
 963                         lpfc_els_flush_rscn(vport);
 964                 goto out;
 965         }
 966
 967         if (lpfc_els_chk_latt(vport)) {
 968                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 969                                  "0216 Link event during NS query\n");
 970                 if (vport->fc_flag & FC_RSCN_MODE)
 971                         lpfc_els_flush_rscn(vport);
 972                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 973                 goto out;
 974         }
 975         if (lpfc_error_lost_link(irsp)) {
 976                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 977                                  "0226 NS query failed due to link event\n");
 978                 if (vport->fc_flag & FC_RSCN_MODE)
 979                         lpfc_els_flush_rscn(vport);
 980                 goto out;
 981         }
 982
 983         spin_lock_irq(shost->host_lock);
 984         if (vport->fc_flag & FC_RSCN_DEFERRED) {
 985                 vport->fc_flag &= ~FC_RSCN_DEFERRED;
 986                 spin_unlock_irq(shost->host_lock);
 987
 988                 /* This is a GID_FT completing so the gidft_inp counter was
 989                  * incremented before the GID_FT was issued to the wire.
 990                  */
 991                 if (vport->gidft_inp)
 992                         vport->gidft_inp--;
 993
 994                 /*
 995                  * Skip processing the NS response
 996                  * Re-issue the NS cmd
 997                  */
 998                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 999                                  "0151 Process Deferred RSCN Data: x%x x%x\n",
1000                                  vport->fc_flag, vport->fc_rscn_id_cnt);
1001                 lpfc_els_handle_rscn(vport);
1002
1003                 goto out;
1004         }
1005         spin_unlock_irq(shost->host_lock);
1006
1007         if (irsp->ulpStatus) {
1008                 /* Check for retry */
1009                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1010                         if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
1011                             (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
1012                             IOERR_NO_RESOURCES)
1013                                 vport->fc_ns_retry++;
1014
1015                         type = lpfc_get_gidft_type(vport, cmdiocb);
1016                         if (type == 0)
1017                                 goto out;
1018
1019                         /* CT command is being retried */
1020                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
1021                                          vport->fc_ns_retry, type);
1022                         if (rc == 0)
1023                                 goto out;
1024                         else { /* Unable to send NS cmd */
1025                                 if (vport->gidft_inp)
1026                                         vport->gidft_inp--;
1027                         }
1028                 }
1029                 if (vport->fc_flag & FC_RSCN_MODE)
1030                         lpfc_els_flush_rscn(vport);
1031                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1032                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1033                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
1034                                  irsp->ulpStatus, vport->fc_ns_retry);
1035         } else {
1036                 /* Good status, continue checking */
1037                 CTreq = (struct lpfc_sli_ct_request *) inp->virt;
1038                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1039                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1040                     cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1041                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1042                                          "0208 NameServer Rsp Data: x%x x%x "
1043                                          "x%x x%x sz x%x\n",
1044                                          vport->fc_flag,
1045                                          CTreq->un.gid.Fc4Type,
1046                                          vport->num_disc_nodes,
1047                                          vport->gidft_inp,
1048                                          irsp->un.genreq64.bdl.bdeSize);
1049
1050                         lpfc_ns_rsp(vport,
1051                                     outp,
1052                                     CTreq->un.gid.Fc4Type,
1053                                     (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
1054                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
1055                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1056                         /* NameServer Rsp Error */
1057                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1058                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1059                                 lpfc_printf_vlog(vport, KERN_INFO,
1060                                         LOG_DISCOVERY,
1061                                         "0269 No NameServer Entries "
1062                                         "Data: x%x x%x x%x x%x\n",
1063                                         CTrsp->CommandResponse.bits.CmdRsp,
1064                                         (uint32_t) CTrsp->ReasonCode,
1065                                         (uint32_t) CTrsp->Explanation,
1066                                         vport->fc_flag);
1067
1068                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1069                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
1070                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1071                                 (uint32_t) CTrsp->ReasonCode,
1072                                 (uint32_t) CTrsp->Explanation);
1073                         } else {
1074                                 lpfc_printf_vlog(vport, KERN_INFO,
1075                                         LOG_DISCOVERY,
1076                                         "0240 NameServer Rsp Error "
1077                                         "Data: x%x x%x x%x x%x\n",
1078                                         CTrsp->CommandResponse.bits.CmdRsp,
1079                                         (uint32_t) CTrsp->ReasonCode,
1080                                         (uint32_t) CTrsp->Explanation,
1081                                         vport->fc_flag);
1082
1083                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1084                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1085                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1086                                 (uint32_t) CTrsp->ReasonCode,
1087                                 (uint32_t) CTrsp->Explanation);
1088                         }
1089
1090
1091                 } else {
1092                         /* NameServer Rsp Error */
1093                         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1094                                         "0241 NameServer Rsp Error "
1095                                         "Data: x%x x%x x%x x%x\n",
1096                                         CTrsp->CommandResponse.bits.CmdRsp,
1097                                         (uint32_t) CTrsp->ReasonCode,
1098                                         (uint32_t) CTrsp->Explanation,
1099                                         vport->fc_flag);
1100
1101                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1102                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1103                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1104                                 (uint32_t) CTrsp->ReasonCode,
1105                                 (uint32_t) CTrsp->Explanation);
1106                 }
1107                 if (vport->gidft_inp)
1108                         vport->gidft_inp--;
1109         }
1110
1111         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1112                          "4216 GID_FT cmpl inp %d disc %d\n",
1113                          vport->gidft_inp, vport->num_disc_nodes);
1114
1115         /* Link up / RSCN discovery */
1116         if ((vport->num_disc_nodes == 0) &&
1117             (vport->gidft_inp == 0)) {
1118                 /*
1119                  * The driver has cycled through all Nports in the RSCN payload.
1120                  * Complete the handling by cleaning up and marking the
1121                  * current driver state.
1122                  */
1123                 if (vport->port_state >= LPFC_DISC_AUTH) {
1124                         if (vport->fc_flag & FC_RSCN_MODE) {
1125                                 lpfc_els_flush_rscn(vport);
1126                                 spin_lock_irq(shost->host_lock);
1127                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1128                                 spin_unlock_irq(shost->host_lock);
1129                         }
1130                         else
1131                                 lpfc_els_flush_rscn(vport);
1132                 }
1133
1134                 lpfc_disc_start(vport);
1135         }
1136 out:
1137         lpfc_ct_free_iocb(phba, cmdiocb);
1138         lpfc_nlp_put(ndlp);
1139         return;
1140 }
1141
1142 static void
1143 lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1144                         struct lpfc_iocbq *rspiocb)
1145 {
1146         struct lpfc_vport *vport = cmdiocb->vport;
1147         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1148         IOCB_t *irsp;
1149         struct lpfc_dmabuf *outp;
1150         struct lpfc_dmabuf *inp;
1151         struct lpfc_sli_ct_request *CTrsp;
1152         struct lpfc_sli_ct_request *CTreq;
1153         struct lpfc_nodelist *ndlp;
1154         int rc;
1155
1156         /* First save ndlp, before we overwrite it */
1157         ndlp = cmdiocb->context_un.ndlp;
1158
1159         /* we pass cmdiocb to state machine which needs rspiocb as well */
1160         cmdiocb->context_un.rsp_iocb = rspiocb;
1161         inp = (struct lpfc_dmabuf *)cmdiocb->context1;
1162         outp = (struct lpfc_dmabuf *)cmdiocb->context2;
1163         irsp = &rspiocb->iocb;
1164
1165         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1166                               "GID_PT cmpl:     status:x%x/x%x rtry:%d",
1167                               irsp->ulpStatus, irsp->un.ulpWord[4],
1168                               vport->fc_ns_retry);
1169
1170         /* Don't bother processing response if vport is being torn down. */
1171         if (vport->load_flag & FC_UNLOADING) {
1172                 if (vport->fc_flag & FC_RSCN_MODE)
1173                         lpfc_els_flush_rscn(vport);
1174                 goto out;
1175         }
1176
1177         if (lpfc_els_chk_latt(vport)) {
1178                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1179                                  "4108 Link event during NS query\n");
1180                 if (vport->fc_flag & FC_RSCN_MODE)
1181                         lpfc_els_flush_rscn(vport);
1182                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1183                 goto out;
1184         }
1185         if (lpfc_error_lost_link(irsp)) {
1186                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1187                                  "4166 NS query failed due to link event\n");
1188                 if (vport->fc_flag & FC_RSCN_MODE)
1189                         lpfc_els_flush_rscn(vport);
1190                 goto out;
1191         }
1192
1193         spin_lock_irq(shost->host_lock);
1194         if (vport->fc_flag & FC_RSCN_DEFERRED) {
1195                 vport->fc_flag &= ~FC_RSCN_DEFERRED;
1196                 spin_unlock_irq(shost->host_lock);
1197
1198                 /* This is a GID_PT completing so the gidft_inp counter was
1199                  * incremented before the GID_PT was issued to the wire.
1200                  */
1201                 if (vport->gidft_inp)
1202                         vport->gidft_inp--;
1203
1204                 /*
1205                  * Skip processing the NS response
1206                  * Re-issue the NS cmd
1207                  */
1208                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
1209                                  "4167 Process Deferred RSCN Data: x%x x%x\n",
1210                                  vport->fc_flag, vport->fc_rscn_id_cnt);
1211                 lpfc_els_handle_rscn(vport);
1212
1213                 goto out;
1214         }
1215         spin_unlock_irq(shost->host_lock);
1216
1217         if (irsp->ulpStatus) {
1218                 /* Check for retry */
1219                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1220                         if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
1221                             (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
1222                             IOERR_NO_RESOURCES)
1223                                 vport->fc_ns_retry++;
1224
1225                         /* CT command is being retried */
1226                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
1227                                          vport->fc_ns_retry, GID_PT_N_PORT);
1228                         if (rc == 0)
1229                                 goto out;
1230                         else { /* Unable to send NS cmd */
1231                                 if (vport->gidft_inp)
1232                                         vport->gidft_inp--;
1233                         }
1234                 }
1235                 if (vport->fc_flag & FC_RSCN_MODE)
1236                         lpfc_els_flush_rscn(vport);
1237                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1238                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1239                                  "4103 GID_FT Query error: 0x%x 0x%x\n",
1240                                  irsp->ulpStatus, vport->fc_ns_retry);
1241         } else {
1242                 /* Good status, continue checking */
1243                 CTreq = (struct lpfc_sli_ct_request *)inp->virt;
1244                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1245                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1246                     cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1247                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1248                                          "4105 NameServer Rsp Data: x%x x%x "
1249                                          "x%x x%x sz x%x\n",
1250                                          vport->fc_flag,
1251                                          CTreq->un.gid.Fc4Type,
1252                                          vport->num_disc_nodes,
1253                                          vport->gidft_inp,
1254                                          irsp->un.genreq64.bdl.bdeSize);
1255
1256                         lpfc_ns_rsp(vport,
1257                                     outp,
1258                                     CTreq->un.gid.Fc4Type,
1259                                     (uint32_t)(irsp->un.genreq64.bdl.bdeSize));
1260                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
1261                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1262                         /* NameServer Rsp Error */
1263                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1264                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1265                                 lpfc_printf_vlog(
1266                                         vport, KERN_INFO, LOG_DISCOVERY,
1267                                         "4106 No NameServer Entries "
1268                                         "Data: x%x x%x x%x x%x\n",
1269                                         CTrsp->CommandResponse.bits.CmdRsp,
1270                                         (uint32_t)CTrsp->ReasonCode,
1271                                         (uint32_t)CTrsp->Explanation,
1272                                         vport->fc_flag);
1273
1274                                 lpfc_debugfs_disc_trc(
1275                                 vport, LPFC_DISC_TRC_CT,
1276                                 "GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
1277                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1278                                 (uint32_t)CTrsp->ReasonCode,
1279                                 (uint32_t)CTrsp->Explanation);
1280                         } else {
1281                                 lpfc_printf_vlog(
1282                                         vport, KERN_INFO, LOG_DISCOVERY,
1283                                         "4107 NameServer Rsp Error "
1284                                         "Data: x%x x%x x%x x%x\n",
1285                                         CTrsp->CommandResponse.bits.CmdRsp,
1286                                         (uint32_t)CTrsp->ReasonCode,
1287                                         (uint32_t)CTrsp->Explanation,
1288                                         vport->fc_flag);
1289
1290                                 lpfc_debugfs_disc_trc(
1291                                 vport, LPFC_DISC_TRC_CT,
1292                                 "GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1293                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1294                                 (uint32_t)CTrsp->ReasonCode,
1295                                 (uint32_t)CTrsp->Explanation);
1296                         }
1297                 } else {
1298                         /* NameServer Rsp Error */
1299                         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1300                                          "4109 NameServer Rsp Error "
1301                                          "Data: x%x x%x x%x x%x\n",
1302                                          CTrsp->CommandResponse.bits.CmdRsp,
1303                                          (uint32_t)CTrsp->ReasonCode,
1304                                          (uint32_t)CTrsp->Explanation,
1305                                          vport->fc_flag);
1306
1307                         lpfc_debugfs_disc_trc(
1308                                 vport, LPFC_DISC_TRC_CT,
1309                                 "GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1310                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1311                                 (uint32_t)CTrsp->ReasonCode,
1312                                 (uint32_t)CTrsp->Explanation);
1313                 }
1314                 if (vport->gidft_inp)
1315                         vport->gidft_inp--;
1316         }
1317
1318         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1319                          "6450 GID_PT cmpl inp %d disc %d\n",
1320                          vport->gidft_inp, vport->num_disc_nodes);
1321
1322         /* Link up / RSCN discovery */
1323         if ((vport->num_disc_nodes == 0) &&
1324             (vport->gidft_inp == 0)) {
1325                 /*
1326                  * The driver has cycled through all Nports in the RSCN payload.
1327                  * Complete the handling by cleaning up and marking the
1328                  * current driver state.
1329                  */
1330                 if (vport->port_state >= LPFC_DISC_AUTH) {
1331                         if (vport->fc_flag & FC_RSCN_MODE) {
1332                                 lpfc_els_flush_rscn(vport);
1333                                 spin_lock_irq(shost->host_lock);
1334                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1335                                 spin_unlock_irq(shost->host_lock);
1336                         } else {
1337                                 lpfc_els_flush_rscn(vport);
1338                         }
1339                 }
1340
1341                 lpfc_disc_start(vport);
1342         }
1343 out:
1344         lpfc_ct_free_iocb(phba, cmdiocb);
1345         lpfc_nlp_put(ndlp);
1346 }
1347
1348 static void
1349 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1350                         struct lpfc_iocbq *rspiocb)
1351 {
1352         struct lpfc_vport *vport = cmdiocb->vport;
1353         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1354         IOCB_t *irsp = &rspiocb->iocb;
1355         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1356         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1357         struct lpfc_sli_ct_request *CTrsp;
1358         int did, rc, retry;
1359         uint8_t fbits;
1360         struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL;
1361
1362         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1363         did = be32_to_cpu(did);
1364
1365         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1366                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
1367                 irsp->ulpStatus, irsp->un.ulpWord[4], did);
1368
1369         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1370                 /* Good status, continue checking */
1371                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1372                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1373
1374                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1375                                  "6431 Process GFF_ID rsp for %08x "
1376                                  "fbits %02x %s %s\n",
1377                                  did, fbits,
1378                                  (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1379                                  (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1380
1381                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1382                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
1383                         if ((fbits & FC4_FEATURE_INIT) &&
1384                             !(fbits & FC4_FEATURE_TARGET)) {
1385                                 lpfc_printf_vlog(vport, KERN_INFO,
1386                                                  LOG_DISCOVERY,
1387                                                  "0270 Skip x%x GFF "
1388                                                  "NameServer Rsp Data: (init) "
1389                                                  "x%x x%x\n", did, fbits,
1390                                                  vport->fc_rscn_id_cnt);
1391                                 goto out;
1392                         }
1393                 }
1394         }
1395         else {
1396                 /* Check for retry */
1397                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1398                         retry = 1;
1399                         if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1400                                 switch ((irsp->un.ulpWord[4] &
1401                                         IOERR_PARAM_MASK)) {
1402
1403                                 case IOERR_NO_RESOURCES:
1404                                         /* We don't increment the retry
1405                                          * count for this case.
1406                                          */
1407                                         break;
1408                                 case IOERR_LINK_DOWN:
1409                                 case IOERR_SLI_ABORTED:
1410                                 case IOERR_SLI_DOWN:
1411                                         retry = 0;
1412                                         break;
1413                                 default:
1414                                         cmdiocb->retry++;
1415                                 }
1416                         }
1417                         else
1418                                 cmdiocb->retry++;
1419
1420                         if (retry) {
1421                                 /* CT command is being retried */
1422                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1423                                          cmdiocb->retry, did);
1424                                 if (rc == 0) {
1425                                         /* success */
1426                                         free_ndlp = cmdiocb->context_un.ndlp;
1427                                         lpfc_ct_free_iocb(phba, cmdiocb);
1428                                         lpfc_nlp_put(free_ndlp);
1429                                         return;
1430                                 }
1431                         }
1432                 }
1433                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1434                                  "0267 NameServer GFF Rsp "
1435                                  "x%x Error (%d %d) Data: x%x x%x\n",
1436                                  did, irsp->ulpStatus, irsp->un.ulpWord[4],
1437                                  vport->fc_flag, vport->fc_rscn_id_cnt);
1438         }
1439
1440         /* This is a target port, unregistered port, or the GFF_ID failed */
1441         ndlp = lpfc_setup_disc_node(vport, did);
1442         if (ndlp) {
1443                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1444                                  "0242 Process x%x GFF "
1445                                  "NameServer Rsp Data: x%x x%x x%x\n",
1446                                  did, ndlp->nlp_flag, vport->fc_flag,
1447                                  vport->fc_rscn_id_cnt);
1448         } else {
1449                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1450                                  "0243 Skip x%x GFF "
1451                                  "NameServer Rsp Data: x%x x%x\n", did,
1452                                  vport->fc_flag, vport->fc_rscn_id_cnt);
1453         }
1454 out:
1455         /* Link up / RSCN discovery */
1456         if (vport->num_disc_nodes)
1457                 vport->num_disc_nodes--;
1458
1459         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1460                          "6451 GFF_ID cmpl inp %d disc %d\n",
1461                          vport->gidft_inp, vport->num_disc_nodes);
1462
1463         if (vport->num_disc_nodes == 0) {
1464                 /*
1465                  * The driver has cycled through all Nports in the RSCN payload.
1466                  * Complete the handling by cleaning up and marking the
1467                  * current driver state.
1468                  */
1469                 if (vport->port_state >= LPFC_DISC_AUTH) {
1470                         if (vport->fc_flag & FC_RSCN_MODE) {
1471                                 lpfc_els_flush_rscn(vport);
1472                                 spin_lock_irq(shost->host_lock);
1473                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1474                                 spin_unlock_irq(shost->host_lock);
1475                         }
1476                         else
1477                                 lpfc_els_flush_rscn(vport);
1478                 }
1479                 lpfc_disc_start(vport);
1480         }
1481
1482         free_ndlp = cmdiocb->context_un.ndlp;
1483         lpfc_ct_free_iocb(phba, cmdiocb);
1484         lpfc_nlp_put(free_ndlp);
1485         return;
1486 }
1487
1488 static void
1489 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1490                                 struct lpfc_iocbq *rspiocb)
1491 {
1492         struct lpfc_vport *vport = cmdiocb->vport;
1493         IOCB_t *irsp = &rspiocb->iocb;
1494         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
1495         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
1496         struct lpfc_sli_ct_request *CTrsp;
1497         int did;
1498         struct lpfc_nodelist *ndlp = NULL;
1499         struct lpfc_nodelist *ns_ndlp = NULL;
1500         uint32_t fc4_data_0, fc4_data_1;
1501
1502         did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1503         did = be32_to_cpu(did);
1504
1505         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1506                               "GFT_ID cmpl: status:x%x/x%x did:x%x",
1507                               irsp->ulpStatus, irsp->un.ulpWord[4], did);
1508
1509         /* Preserve the nameserver node to release the reference. */
1510         ns_ndlp = cmdiocb->context_un.ndlp;
1511
1512         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1513                 /* Good status, continue checking */
1514                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1515                 fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1516                 fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1517
1518                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1519                                  "6432 Process GFT_ID rsp for %08x "
1520                                  "Data %08x %08x %s %s\n",
1521                                  did, fc4_data_0, fc4_data_1,
1522                                  (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1523                                   "FCP" : " ",
1524                                  (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1525                                   "NVME" : " ");
1526
1527                 /* Lookup the NPort_ID queried in the GFT_ID and find the
1528                  * driver's local node.  It's an error if the driver
1529                  * doesn't have one.
1530                  */
1531                 ndlp = lpfc_findnode_did(vport, did);
1532                 if (ndlp) {
1533                         /* The bitmask value for FCP and NVME FCP types is
1534                          * the same because they are 32 bits distant from
1535                          * each other in word0 and word0.
1536                          */
1537                         if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1538                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1539                         if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1540                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1541                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1542                                          "3064 Setting ndlp x%px, DID x%06x "
1543                                          "with FC4 x%08x, Data: x%08x x%08x "
1544                                          "%d\n",
1545                                          ndlp, did, ndlp->nlp_fc4_type,
1546                                          FC_TYPE_FCP, FC_TYPE_NVME,
1547                                          ndlp->nlp_state);
1548
1549                         if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1550                             ndlp->nlp_fc4_type) {
1551                                 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1552
1553                                 lpfc_nlp_set_state(vport, ndlp,
1554                                                    NLP_STE_PRLI_ISSUE);
1555                                 lpfc_issue_els_prli(vport, ndlp, 0);
1556                         } else if (!ndlp->nlp_fc4_type) {
1557                                 /* If fc4 type is still unknown, then LOGO */
1558                                 lpfc_printf_vlog(vport, KERN_INFO,
1559                                                  LOG_DISCOVERY,
1560                                                  "6443 Sending LOGO ndlp x%px,"
1561                                                  "DID x%06x with fc4_type: "
1562                                                  "x%08x, state: %d\n",
1563                                                  ndlp, did, ndlp->nlp_fc4_type,
1564                                                  ndlp->nlp_state);
1565                                 lpfc_issue_els_logo(vport, ndlp, 0);
1566                                 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1567                                 lpfc_nlp_set_state(vport, ndlp,
1568                                                    NLP_STE_NPR_NODE);
1569                         }
1570                 }
1571         } else
1572                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1573                                  "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
1574
1575         lpfc_ct_free_iocb(phba, cmdiocb);
1576         lpfc_nlp_put(ns_ndlp);
1577 }
1578
1579 static void
1580 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1581              struct lpfc_iocbq *rspiocb)
1582 {
1583         struct lpfc_vport *vport = cmdiocb->vport;
1584         struct lpfc_dmabuf *inp;
1585         struct lpfc_dmabuf *outp;
1586         IOCB_t *irsp;
1587         struct lpfc_sli_ct_request *CTrsp;
1588         struct lpfc_nodelist *ndlp;
1589         int cmdcode, rc;
1590         uint8_t retry;
1591         uint32_t latt;
1592
1593         /* First save ndlp, before we overwrite it */
1594         ndlp = cmdiocb->context_un.ndlp;
1595
1596         /* we pass cmdiocb to state machine which needs rspiocb as well */
1597         cmdiocb->context_un.rsp_iocb = rspiocb;
1598
1599         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1600         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1601         irsp = &rspiocb->iocb;
1602
1603         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1604                                         CommandResponse.bits.CmdRsp);
1605         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1606
1607         latt = lpfc_els_chk_latt(vport);
1608
1609         /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
1610         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1611                          "0209 CT Request completes, latt %d, "
1612                          "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1613                          latt, irsp->ulpStatus,
1614                          CTrsp->CommandResponse.bits.CmdRsp,
1615                          cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
1616
1617         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1618                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1619                 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
1620
1621         if (irsp->ulpStatus) {
1622                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1623                                  "0268 NS cmd x%x Error (x%x x%x)\n",
1624                                  cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
1625
1626                 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1627                         (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1628                           IOERR_SLI_DOWN) ||
1629                          ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1630                           IOERR_SLI_ABORTED)))
1631                         goto out;
1632
1633                 retry = cmdiocb->retry;
1634                 if (retry >= LPFC_MAX_NS_RETRY)
1635                         goto out;
1636
1637                 retry++;
1638                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1639                                  "0250 Retrying NS cmd %x\n", cmdcode);
1640                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1641                 if (rc == 0)
1642                         goto out;
1643         }
1644
1645 out:
1646         lpfc_ct_free_iocb(phba, cmdiocb);
1647         lpfc_nlp_put(ndlp);
1648         return;
1649 }
1650
1651 static void
1652 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1653                         struct lpfc_iocbq *rspiocb)
1654 {
1655         IOCB_t *irsp = &rspiocb->iocb;
1656         struct lpfc_vport *vport = cmdiocb->vport;
1657
1658         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1659                 struct lpfc_dmabuf *outp;
1660                 struct lpfc_sli_ct_request *CTrsp;
1661
1662                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1663                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1664                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1665                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1666                         vport->ct_flags |= FC_CT_RFT_ID;
1667         }
1668         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1669         return;
1670 }
1671
1672 static void
1673 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1674                         struct lpfc_iocbq *rspiocb)
1675 {
1676         IOCB_t *irsp = &rspiocb->iocb;
1677         struct lpfc_vport *vport = cmdiocb->vport;
1678
1679         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1680                 struct lpfc_dmabuf *outp;
1681                 struct lpfc_sli_ct_request *CTrsp;
1682
1683                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1684                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1685                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1686                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1687                         vport->ct_flags |= FC_CT_RNN_ID;
1688         }
1689         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1690         return;
1691 }
1692
1693 static void
1694 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1695                          struct lpfc_iocbq *rspiocb)
1696 {
1697         IOCB_t *irsp = &rspiocb->iocb;
1698         struct lpfc_vport *vport = cmdiocb->vport;
1699
1700         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1701                 struct lpfc_dmabuf *outp;
1702                 struct lpfc_sli_ct_request *CTrsp;
1703
1704                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1705                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1706                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1707                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1708                         vport->ct_flags |= FC_CT_RSPN_ID;
1709         }
1710         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1711         return;
1712 }
1713
1714 static void
1715 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1716                          struct lpfc_iocbq *rspiocb)
1717 {
1718         IOCB_t *irsp = &rspiocb->iocb;
1719         struct lpfc_vport *vport = cmdiocb->vport;
1720
1721         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1722                 struct lpfc_dmabuf *outp;
1723                 struct lpfc_sli_ct_request *CTrsp;
1724
1725                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1726                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1727                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1728                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1729                         vport->ct_flags |= FC_CT_RSNN_NN;
1730         }
1731         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1732         return;
1733 }
1734
1735 static void
1736 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1737  struct lpfc_iocbq *rspiocb)
1738 {
1739         struct lpfc_vport *vport = cmdiocb->vport;
1740
1741         /* even if it fails we will act as though it succeeded. */
1742         vport->ct_flags = 0;
1743         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1744         return;
1745 }
1746
1747 static void
1748 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1749                         struct lpfc_iocbq *rspiocb)
1750 {
1751         IOCB_t *irsp = &rspiocb->iocb;
1752         struct lpfc_vport *vport = cmdiocb->vport;
1753
1754         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1755                 struct lpfc_dmabuf *outp;
1756                 struct lpfc_sli_ct_request *CTrsp;
1757
1758                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1759                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1760                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1761                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1762                         vport->ct_flags |= FC_CT_RFF_ID;
1763         }
1764         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1765         return;
1766 }
1767
1768 /*
1769  * Although the symbolic port name is thought to be an integer
1770  * as of January 18, 2016, leave it as a string until more of
1771  * the record state becomes defined.
1772  */
1773 int
1774 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1775         size_t size)
1776 {
1777         int n;
1778
1779         /*
1780          * Use the lpfc board number as the Symbolic Port
1781          * Name object.  NPIV is not in play so this integer
1782          * value is sufficient and unique per FC-ID.
1783          */
1784         n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1785         return n;
1786 }
1787
1788
1789 int
1790 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1791         size_t size)
1792 {
1793         char fwrev[FW_REV_STR_SIZE] = {0};
1794         char tmp[MAXHOSTNAMELEN] = {0};
1795
1796         memset(symbol, 0, size);
1797
1798         scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1799         if (strlcat(symbol, tmp, size) >= size)
1800                 goto buffer_done;
1801
1802         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1803         scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1804         if (strlcat(symbol, tmp, size) >= size)
1805                 goto buffer_done;
1806
1807         scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1808         if (strlcat(symbol, tmp, size) >= size)
1809                 goto buffer_done;
1810
1811         scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1812         if (strlcat(symbol, tmp, size) >= size)
1813                 goto buffer_done;
1814
1815         /* Note :- OS name is "Linux" */
1816         scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1817         strlcat(symbol, tmp, size);
1818
1819 buffer_done:
1820         return strnlen(symbol, size);
1821
1822 }
1823
1824 static uint32_t
1825 lpfc_find_map_node(struct lpfc_vport *vport)
1826 {
1827         struct lpfc_nodelist *ndlp, *next_ndlp;
1828         struct Scsi_Host  *shost;
1829         uint32_t cnt = 0;
1830
1831         shost = lpfc_shost_from_vport(vport);
1832         spin_lock_irq(shost->host_lock);
1833         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1834                 if (ndlp->nlp_type & NLP_FABRIC)
1835                         continue;
1836                 if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1837                     (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1838                         cnt++;
1839         }
1840         spin_unlock_irq(shost->host_lock);
1841         return cnt;
1842 }
1843
1844 /*
1845  * This routine will return the FC4 Type associated with the CT
1846  * GID_FT command.
1847  */
1848 int
1849 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1850 {
1851         struct lpfc_sli_ct_request *CtReq;
1852         struct lpfc_dmabuf *mp;
1853         uint32_t type;
1854
1855         mp = cmdiocb->context1;
1856         if (mp == NULL)
1857                 return 0;
1858         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1859         type = (uint32_t)CtReq->un.gid.Fc4Type;
1860         if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1861                 return 0;
1862         return type;
1863 }
1864
1865 /*
1866  * lpfc_ns_cmd
1867  * Description:
1868  *    Issue Cmd to NameServer
1869  *       SLI_CTNS_GID_FT
1870  *       LI_CTNS_RFT_ID
1871  */
1872 int
1873 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1874             uint8_t retry, uint32_t context)
1875 {
1876         struct lpfc_nodelist * ndlp;
1877         struct lpfc_hba *phba = vport->phba;
1878         struct lpfc_dmabuf *mp, *bmp;
1879         struct lpfc_sli_ct_request *CtReq;
1880         struct ulp_bde64 *bpl;
1881         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1882                       struct lpfc_iocbq *) = NULL;
1883         uint32_t *ptr;
1884         uint32_t rsp_size = 1024;
1885         size_t   size;
1886         int rc = 0;
1887
1888         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1889         if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1890                 rc=1;
1891                 goto ns_cmd_exit;
1892         }
1893
1894         /* fill in BDEs for command */
1895         /* Allocate buffer for command payload */
1896         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1897         if (!mp) {
1898                 rc=2;
1899                 goto ns_cmd_exit;
1900         }
1901
1902         INIT_LIST_HEAD(&mp->list);
1903         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1904         if (!mp->virt) {
1905                 rc=3;
1906                 goto ns_cmd_free_mp;
1907         }
1908
1909         /* Allocate buffer for Buffer ptr list */
1910         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1911         if (!bmp) {
1912                 rc=4;
1913                 goto ns_cmd_free_mpvirt;
1914         }
1915
1916         INIT_LIST_HEAD(&bmp->list);
1917         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1918         if (!bmp->virt) {
1919                 rc=5;
1920                 goto ns_cmd_free_bmp;
1921         }
1922
1923         /* NameServer Req */
1924         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1925                          "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1926                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1927                          context);
1928
1929         bpl = (struct ulp_bde64 *) bmp->virt;
1930         memset(bpl, 0, sizeof(struct ulp_bde64));
1931         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1932         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1933         bpl->tus.f.bdeFlags = 0;
1934         if (cmdcode == SLI_CTNS_GID_FT)
1935                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1936         else if (cmdcode == SLI_CTNS_GID_PT)
1937                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1938         else if (cmdcode == SLI_CTNS_GFF_ID)
1939                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1940         else if (cmdcode == SLI_CTNS_GFT_ID)
1941                 bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1942         else if (cmdcode == SLI_CTNS_RFT_ID)
1943                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1944         else if (cmdcode == SLI_CTNS_RNN_ID)
1945                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1946         else if (cmdcode == SLI_CTNS_RSPN_ID)
1947                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1948         else if (cmdcode == SLI_CTNS_RSNN_NN)
1949                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1950         else if (cmdcode == SLI_CTNS_DA_ID)
1951                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1952         else if (cmdcode == SLI_CTNS_RFF_ID)
1953                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1954         else
1955                 bpl->tus.f.bdeSize = 0;
1956         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1957
1958         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1959         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1960         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1961         CtReq->RevisionId.bits.InId = 0;
1962         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1963         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1964         CtReq->CommandResponse.bits.Size = 0;
1965         switch (cmdcode) {
1966         case SLI_CTNS_GID_FT:
1967                 CtReq->CommandResponse.bits.CmdRsp =
1968                     cpu_to_be16(SLI_CTNS_GID_FT);
1969                 CtReq->un.gid.Fc4Type = context;
1970
1971                 if (vport->port_state < LPFC_NS_QRY)
1972                         vport->port_state = LPFC_NS_QRY;
1973                 lpfc_set_disctmo(vport);
1974                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1975                 rsp_size = FC_MAX_NS_RSP;
1976                 break;
1977
1978         case SLI_CTNS_GID_PT:
1979                 CtReq->CommandResponse.bits.CmdRsp =
1980                     cpu_to_be16(SLI_CTNS_GID_PT);
1981                 CtReq->un.gid.PortType = context;
1982
1983                 if (vport->port_state < LPFC_NS_QRY)
1984                         vport->port_state = LPFC_NS_QRY;
1985                 lpfc_set_disctmo(vport);
1986                 cmpl = lpfc_cmpl_ct_cmd_gid_pt;
1987                 rsp_size = FC_MAX_NS_RSP;
1988                 break;
1989
1990         case SLI_CTNS_GFF_ID:
1991                 CtReq->CommandResponse.bits.CmdRsp =
1992                         cpu_to_be16(SLI_CTNS_GFF_ID);
1993                 CtReq->un.gff.PortId = cpu_to_be32(context);
1994                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
1995                 break;
1996
1997         case SLI_CTNS_GFT_ID:
1998                 CtReq->CommandResponse.bits.CmdRsp =
1999                         cpu_to_be16(SLI_CTNS_GFT_ID);
2000                 CtReq->un.gft.PortId = cpu_to_be32(context);
2001                 cmpl = lpfc_cmpl_ct_cmd_gft_id;
2002                 break;
2003
2004         case SLI_CTNS_RFT_ID:
2005                 vport->ct_flags &= ~FC_CT_RFT_ID;
2006                 CtReq->CommandResponse.bits.CmdRsp =
2007                     cpu_to_be16(SLI_CTNS_RFT_ID);
2008                 CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
2009
2010                 /* Register FC4 FCP type if enabled.  */
2011                 if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2012                     vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
2013                         CtReq->un.rft.fcpReg = 1;
2014
2015                 /* Register NVME type if enabled.  Defined LE and swapped.
2016                  * rsvd[0] is used as word1 because of the hard-coded
2017                  * word0 usage in the ct_request data structure.
2018                  */
2019                 if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2020                     vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
2021                         CtReq->un.rft.rsvd[0] =
2022                                 cpu_to_be32(LPFC_FC4_TYPE_BITMASK);
2023
2024                 ptr = (uint32_t *)CtReq;
2025                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2026                                  "6433 Issue RFT (%s %s): %08x %08x %08x %08x "
2027                                  "%08x %08x %08x %08x\n",
2028                                  CtReq->un.rft.fcpReg ? "FCP" : " ",
2029                                  CtReq->un.rft.rsvd[0] ? "NVME" : " ",
2030                                  *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2031                                  *(ptr + 4), *(ptr + 5),
2032                                  *(ptr + 6), *(ptr + 7));
2033                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
2034                 break;
2035
2036         case SLI_CTNS_RNN_ID:
2037                 vport->ct_flags &= ~FC_CT_RNN_ID;
2038                 CtReq->CommandResponse.bits.CmdRsp =
2039                     cpu_to_be16(SLI_CTNS_RNN_ID);
2040                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
2041                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
2042                        sizeof(struct lpfc_name));
2043                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
2044                 break;
2045
2046         case SLI_CTNS_RSPN_ID:
2047                 vport->ct_flags &= ~FC_CT_RSPN_ID;
2048                 CtReq->CommandResponse.bits.CmdRsp =
2049                     cpu_to_be16(SLI_CTNS_RSPN_ID);
2050                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
2051                 size = sizeof(CtReq->un.rspn.symbname);
2052                 CtReq->un.rspn.len =
2053                         lpfc_vport_symbolic_port_name(vport,
2054                         CtReq->un.rspn.symbname, size);
2055                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
2056                 break;
2057         case SLI_CTNS_RSNN_NN:
2058                 vport->ct_flags &= ~FC_CT_RSNN_NN;
2059                 CtReq->CommandResponse.bits.CmdRsp =
2060                     cpu_to_be16(SLI_CTNS_RSNN_NN);
2061                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
2062                        sizeof(struct lpfc_name));
2063                 size = sizeof(CtReq->un.rsnn.symbname);
2064                 CtReq->un.rsnn.len =
2065                         lpfc_vport_symbolic_node_name(vport,
2066                         CtReq->un.rsnn.symbname, size);
2067                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
2068                 break;
2069         case SLI_CTNS_DA_ID:
2070                 /* Implement DA_ID Nameserver request */
2071                 CtReq->CommandResponse.bits.CmdRsp =
2072                         cpu_to_be16(SLI_CTNS_DA_ID);
2073                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
2074                 cmpl = lpfc_cmpl_ct_cmd_da_id;
2075                 break;
2076         case SLI_CTNS_RFF_ID:
2077                 vport->ct_flags &= ~FC_CT_RFF_ID;
2078                 CtReq->CommandResponse.bits.CmdRsp =
2079                     cpu_to_be16(SLI_CTNS_RFF_ID);
2080                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
2081                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
2082
2083                 /* The driver always supports FC_TYPE_FCP.  However, the
2084                  * caller can specify NVME (type x28) as well.  But only
2085                  * these that FC4 type is supported.
2086                  */
2087                 if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2088                      (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
2089                     (context == FC_TYPE_NVME)) {
2090                         if ((vport == phba->pport) && phba->nvmet_support) {
2091                                 CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
2092                                         FC4_FEATURE_NVME_DISC);
2093                                 lpfc_nvmet_update_targetport(phba);
2094                         } else {
2095                                 lpfc_nvme_update_localport(vport);
2096                         }
2097                         CtReq->un.rff.type_code = context;
2098
2099                 } else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2100                             (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
2101                            (context == FC_TYPE_FCP))
2102                         CtReq->un.rff.type_code = context;
2103
2104                 else
2105                         goto ns_cmd_free_bmpvirt;
2106
2107                 ptr = (uint32_t *)CtReq;
2108                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2109                                  "6434 Issue RFF (%s): %08x %08x %08x %08x "
2110                                  "%08x %08x %08x %08x\n",
2111                                  (context == FC_TYPE_NVME) ? "NVME" : "FCP",
2112                                  *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2113                                  *(ptr + 4), *(ptr + 5),
2114                                  *(ptr + 6), *(ptr + 7));
2115                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
2116                 break;
2117         }
2118         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2119          * to hold ndlp reference for the corresponding callback function.
2120          */
2121         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
2122                 /* On success, The cmpl function will free the buffers */
2123                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2124                         "Issue CT cmd:    cmd:x%x did:x%x",
2125                         cmdcode, ndlp->nlp_DID, 0);
2126                 return 0;
2127         }
2128         rc=6;
2129
2130 ns_cmd_free_bmpvirt:
2131         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2132 ns_cmd_free_bmp:
2133         kfree(bmp);
2134 ns_cmd_free_mpvirt:
2135         lpfc_mbuf_free(phba, mp->virt, mp->phys);
2136 ns_cmd_free_mp:
2137         kfree(mp);
2138 ns_cmd_exit:
2139         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
2140                          "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
2141                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
2142         return 1;
2143 }
2144
2145 /**
2146  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
2147  * @phba: Pointer to HBA context object.
2148  * @cmdiocb: Pointer to the command IOCBQ.
2149  * @rspiocb: Pointer to the response IOCBQ.
2150  *
2151  * This function to handle the completion of a driver initiated FDMI
2152  * CT command issued during discovery.
2153  */
2154 static void
2155 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2156                        struct lpfc_iocbq *rspiocb)
2157 {
2158         struct lpfc_vport *vport = cmdiocb->vport;
2159         struct lpfc_dmabuf *inp = cmdiocb->context1;
2160         struct lpfc_dmabuf *outp = cmdiocb->context2;
2161         struct lpfc_sli_ct_request *CTcmd = inp->virt;
2162         struct lpfc_sli_ct_request *CTrsp = outp->virt;
2163         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
2164         uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
2165         IOCB_t *irsp = &rspiocb->iocb;
2166         struct lpfc_nodelist *ndlp, *free_ndlp = NULL;
2167         uint32_t latt, cmd, err;
2168
2169         latt = lpfc_els_chk_latt(vport);
2170         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2171                 "FDMI cmpl:       status:x%x/x%x latt:%d",
2172                 irsp->ulpStatus, irsp->un.ulpWord[4], latt);
2173
2174         if (latt || irsp->ulpStatus) {
2175
2176                 /* Look for a retryable error */
2177                 if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
2178                         switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) {
2179                         case IOERR_SLI_ABORTED:
2180                         case IOERR_SLI_DOWN:
2181                                 /* Driver aborted this IO.  No retry as error
2182                                  * is likely Offline->Online or some adapter
2183                                  * error.  Recovery will try again.
2184                                  */
2185                                 break;
2186                         case IOERR_ABORT_IN_PROGRESS:
2187                         case IOERR_SEQUENCE_TIMEOUT:
2188                         case IOERR_ILLEGAL_FRAME:
2189                         case IOERR_NO_RESOURCES:
2190                         case IOERR_ILLEGAL_COMMAND:
2191                                 cmdiocb->retry++;
2192                                 if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
2193                                         break;
2194
2195                                 /* Retry the same FDMI command */
2196                                 err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
2197                                                           cmdiocb, 0);
2198                                 if (err == IOCB_ERROR)
2199                                         break;
2200                                 return;
2201                         default:
2202                                 break;
2203                         }
2204                 }
2205
2206                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2207                                  "0229 FDMI cmd %04x failed, latt = %d "
2208                                  "ulpStatus: x%x, rid x%x\n",
2209                                  be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
2210                                  irsp->un.ulpWord[4]);
2211         }
2212
2213         free_ndlp = cmdiocb->context_un.ndlp;
2214         lpfc_ct_free_iocb(phba, cmdiocb);
2215         lpfc_nlp_put(free_ndlp);
2216
2217         ndlp = lpfc_findnode_did(vport, FDMI_DID);
2218         if (!ndlp)
2219                 return;
2220
2221         /* Check for a CT LS_RJT response */
2222         cmd =  be16_to_cpu(fdmi_cmd);
2223         if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
2224                 /* FDMI rsp failed */
2225                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2226                                  "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
2227
2228                 /* Should we fallback to FDMI-2 / FDMI-1 ? */
2229                 switch (cmd) {
2230                 case SLI_MGMT_RHBA:
2231                         if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
2232                                 /* Fallback to FDMI-1 */
2233                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2234                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2235                                 /* Start over */
2236                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2237                         }
2238                         return;
2239
2240                 case SLI_MGMT_RPRT:
2241                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2242                                 /* Fallback to FDMI-1 */
2243                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2244                                 /* Start over */
2245                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2246                                 return;
2247                         }
2248                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2249                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2250                                 /* Retry the same command */
2251                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2252                         }
2253                         return;
2254
2255                 case SLI_MGMT_RPA:
2256                         /* No retry on Vendor RPA */
2257                         if (phba->link_flag & LS_CT_VEN_RPA) {
2258                                 lpfc_printf_vlog(vport, KERN_ERR,
2259                                                  LOG_DISCOVERY | LOG_ELS,
2260                                                  "6460 VEN FDMI RPA failure\n");
2261                                 phba->link_flag &= ~LS_CT_VEN_RPA;
2262                                 return;
2263                         }
2264                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2265                                 /* Fallback to FDMI-1 */
2266                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2267                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2268                                 /* Start over */
2269                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2270                                 return;
2271                         }
2272                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2273                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2274                                 /* Retry the same command */
2275                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2276                         }
2277                         return;
2278                 }
2279         }
2280
2281         /*
2282          * On success, need to cycle thru FDMI registration for discovery
2283          * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2284          * DPRT -> RPRT (vports)
2285          */
2286         switch (cmd) {
2287         case SLI_MGMT_RHBA:
2288                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
2289                 break;
2290
2291         case SLI_MGMT_DHBA:
2292                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2293                 break;
2294
2295         case SLI_MGMT_DPRT:
2296                 if (vport->port_type == LPFC_PHYSICAL_PORT)
2297                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2298                 else
2299                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2300                 break;
2301         case SLI_MGMT_RPA:
2302                 if (vport->port_type == LPFC_PHYSICAL_PORT &&
2303                     phba->cfg_enable_mi &&
2304                     phba->sli4_hba.pc_sli4_params.mi_ver > LPFC_MIB1_SUPPORT) {
2305                         /* mi is only for the phyical port, no vports */
2306                         if (phba->link_flag & LS_CT_VEN_RPA) {
2307                                 lpfc_printf_vlog(vport, KERN_INFO,
2308                                                  LOG_DISCOVERY | LOG_ELS,
2309                                                  "6449 VEN RPA Success\n");
2310                                 break;
2311                         }
2312
2313                         if (lpfc_fdmi_cmd(vport, ndlp, cmd,
2314                                           LPFC_FDMI_VENDOR_ATTR_mi) == 0)
2315                                 phba->link_flag |= LS_CT_VEN_RPA;
2316                         lpfc_printf_vlog(vport, KERN_INFO,
2317                                         LOG_DISCOVERY | LOG_ELS,
2318                                         "6458 Send MI FDMI:%x Flag x%x\n",
2319                                         phba->sli4_hba.pc_sli4_params.mi_value,
2320                                         phba->link_flag);
2321                 } else {
2322                         lpfc_printf_vlog(vport, KERN_INFO,
2323                                          LOG_DISCOVERY | LOG_ELS,
2324                                          "6459 No FDMI VEN MI support - "
2325                                          "RPA Success\n");
2326                 }
2327                 break;
2328         }
2329         return;
2330 }
2331
2332
2333 /**
2334  * lpfc_fdmi_change_check - Check for changed FDMI parameters
2335  * @vport: pointer to a host virtual N_Port data structure.
2336  *
2337  * Check how many mapped NPorts we are connected to
2338  * Check if our hostname changed
2339  * Called from hbeat timeout routine to check if any FDMI parameters
2340  * changed. If so, re-register those Attributes.
2341  */
2342 void
2343 lpfc_fdmi_change_check(struct lpfc_vport *vport)
2344 {
2345         struct lpfc_hba *phba = vport->phba;
2346         struct lpfc_nodelist *ndlp;
2347         uint16_t cnt;
2348
2349         if (!lpfc_is_link_up(phba))
2350                 return;
2351
2352         /* Must be connected to a Fabric */
2353         if (!(vport->fc_flag & FC_FABRIC))
2354                 return;
2355
2356         ndlp = lpfc_findnode_did(vport, FDMI_DID);
2357         if (!ndlp)
2358                 return;
2359
2360         /* Check if system hostname changed */
2361         if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2362                 memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2363                 scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2364                           init_utsname()->nodename);
2365                 lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2366
2367                 /* Since this effects multiple HBA and PORT attributes, we need
2368                  * de-register and go thru the whole FDMI registration cycle.
2369                  * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2370                  * DPRT -> RPRT (vports)
2371                  */
2372                 if (vport->port_type == LPFC_PHYSICAL_PORT)
2373                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2374                 else
2375                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2376
2377                 /* Since this code path registers all the port attributes
2378                  * we can just return without further checking.
2379                  */
2380                 return;
2381         }
2382
2383         if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2384                 return;
2385
2386         /* Check if the number of mapped NPorts changed */
2387         cnt = lpfc_find_map_node(vport);
2388         if (cnt == vport->fdmi_num_disc)
2389                 return;
2390
2391         if (vport->port_type == LPFC_PHYSICAL_PORT) {
2392                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2393                               LPFC_FDMI_PORT_ATTR_num_disc);
2394         } else {
2395                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2396                               LPFC_FDMI_PORT_ATTR_num_disc);
2397         }
2398 }
2399
2400 /* Routines for all individual HBA attributes */
2401 static int
2402 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2403 {
2404         struct lpfc_fdmi_attr_entry *ae;
2405         uint32_t size;
2406
2407         ae = &ad->AttrValue;
2408         memset(ae, 0, sizeof(*ae));
2409
2410         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2411                sizeof(struct lpfc_name));
2412         size = FOURBYTES + sizeof(struct lpfc_name);
2413         ad->AttrLen = cpu_to_be16(size);
2414         ad->AttrType = cpu_to_be16(RHBA_NODENAME);
2415         return size;
2416 }
2417 static int
2418 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
2419                                 struct lpfc_fdmi_attr_def *ad)
2420 {
2421         struct lpfc_fdmi_attr_entry *ae;
2422         uint32_t len, size;
2423
2424         ae = &ad->AttrValue;
2425         memset(ae, 0, sizeof(*ae));
2426
2427         /* This string MUST be consistent with other FC platforms
2428          * supported by Broadcom.
2429          */
2430         strncpy(ae->un.AttrString,
2431                 "Emulex Corporation",
2432                        sizeof(ae->un.AttrString));
2433         len = strnlen(ae->un.AttrString,
2434                           sizeof(ae->un.AttrString));
2435         len += (len & 3) ? (4 - (len & 3)) : 4;
2436         size = FOURBYTES + len;
2437         ad->AttrLen = cpu_to_be16(size);
2438         ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
2439         return size;
2440 }
2441
2442 static int
2443 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2444 {
2445         struct lpfc_hba *phba = vport->phba;
2446         struct lpfc_fdmi_attr_entry *ae;
2447         uint32_t len, size;
2448
2449         ae = &ad->AttrValue;
2450         memset(ae, 0, sizeof(*ae));
2451
2452         strncpy(ae->un.AttrString, phba->SerialNumber,
2453                 sizeof(ae->un.AttrString));
2454         len = strnlen(ae->un.AttrString,
2455                           sizeof(ae->un.AttrString));
2456         len += (len & 3) ? (4 - (len & 3)) : 4;
2457         size = FOURBYTES + len;
2458         ad->AttrLen = cpu_to_be16(size);
2459         ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
2460         return size;
2461 }
2462
2463 static int
2464 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
2465                          struct lpfc_fdmi_attr_def *ad)
2466 {
2467         struct lpfc_hba *phba = vport->phba;
2468         struct lpfc_fdmi_attr_entry *ae;
2469         uint32_t len, size;
2470
2471         ae = &ad->AttrValue;
2472         memset(ae, 0, sizeof(*ae));
2473
2474         strncpy(ae->un.AttrString, phba->ModelName,
2475                 sizeof(ae->un.AttrString));
2476         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2477         len += (len & 3) ? (4 - (len & 3)) : 4;
2478         size = FOURBYTES + len;
2479         ad->AttrLen = cpu_to_be16(size);
2480         ad->AttrType = cpu_to_be16(RHBA_MODEL);
2481         return size;
2482 }
2483
2484 static int
2485 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
2486                                struct lpfc_fdmi_attr_def *ad)
2487 {
2488         struct lpfc_hba *phba = vport->phba;
2489         struct lpfc_fdmi_attr_entry *ae;
2490         uint32_t len, size;
2491
2492         ae = &ad->AttrValue;
2493         memset(ae, 0, sizeof(*ae));
2494
2495         strncpy(ae->un.AttrString, phba->ModelDesc,
2496                 sizeof(ae->un.AttrString));
2497         len = strnlen(ae->un.AttrString,
2498                                   sizeof(ae->un.AttrString));
2499         len += (len & 3) ? (4 - (len & 3)) : 4;
2500         size = FOURBYTES + len;
2501         ad->AttrLen = cpu_to_be16(size);
2502         ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
2503         return size;
2504 }
2505
2506 static int
2507 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
2508                            struct lpfc_fdmi_attr_def *ad)
2509 {
2510         struct lpfc_hba *phba = vport->phba;
2511         lpfc_vpd_t *vp = &phba->vpd;
2512         struct lpfc_fdmi_attr_entry *ae;
2513         uint32_t i, j, incr, size;
2514
2515         ae = &ad->AttrValue;
2516         memset(ae, 0, sizeof(*ae));
2517
2518         /* Convert JEDEC ID to ascii for hardware version */
2519         incr = vp->rev.biuRev;
2520         for (i = 0; i < 8; i++) {
2521                 j = (incr & 0xf);
2522                 if (j <= 9)
2523                         ae->un.AttrString[7 - i] =
2524                             (char)((uint8_t) 0x30 +
2525                                    (uint8_t) j);
2526                 else
2527                         ae->un.AttrString[7 - i] =
2528                             (char)((uint8_t) 0x61 +
2529                                    (uint8_t) (j - 10));
2530                 incr = (incr >> 4);
2531         }
2532         size = FOURBYTES + 8;
2533         ad->AttrLen = cpu_to_be16(size);
2534         ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
2535         return size;
2536 }
2537
2538 static int
2539 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
2540                             struct lpfc_fdmi_attr_def *ad)
2541 {
2542         struct lpfc_fdmi_attr_entry *ae;
2543         uint32_t len, size;
2544
2545         ae = &ad->AttrValue;
2546         memset(ae, 0, sizeof(*ae));
2547
2548         strncpy(ae->un.AttrString, lpfc_release_version,
2549                 sizeof(ae->un.AttrString));
2550         len = strnlen(ae->un.AttrString,
2551                           sizeof(ae->un.AttrString));
2552         len += (len & 3) ? (4 - (len & 3)) : 4;
2553         size = FOURBYTES + len;
2554         ad->AttrLen = cpu_to_be16(size);
2555         ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
2556         return size;
2557 }
2558
2559 static int
2560 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
2561                            struct lpfc_fdmi_attr_def *ad)
2562 {
2563         struct lpfc_hba *phba = vport->phba;
2564         struct lpfc_fdmi_attr_entry *ae;
2565         uint32_t len, size;
2566
2567         ae = &ad->AttrValue;
2568         memset(ae, 0, sizeof(*ae));
2569
2570         if (phba->sli_rev == LPFC_SLI_REV4)
2571                 lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2572         else
2573                 strncpy(ae->un.AttrString, phba->OptionROMVersion,
2574                         sizeof(ae->un.AttrString));
2575         len = strnlen(ae->un.AttrString,
2576                           sizeof(ae->un.AttrString));
2577         len += (len & 3) ? (4 - (len & 3)) : 4;
2578         size = FOURBYTES + len;
2579         ad->AttrLen = cpu_to_be16(size);
2580         ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
2581         return size;
2582 }
2583
2584 static int
2585 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
2586                            struct lpfc_fdmi_attr_def *ad)
2587 {
2588         struct lpfc_hba *phba = vport->phba;
2589         struct lpfc_fdmi_attr_entry *ae;
2590         uint32_t len, size;
2591
2592         ae = &ad->AttrValue;
2593         memset(ae, 0, sizeof(*ae));
2594
2595         lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2596         len = strnlen(ae->un.AttrString,
2597                           sizeof(ae->un.AttrString));
2598         len += (len & 3) ? (4 - (len & 3)) : 4;
2599         size = FOURBYTES + len;
2600         ad->AttrLen = cpu_to_be16(size);
2601         ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
2602         return size;
2603 }
2604
2605 static int
2606 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
2607                           struct lpfc_fdmi_attr_def *ad)
2608 {
2609         struct lpfc_fdmi_attr_entry *ae;
2610         uint32_t len, size;
2611
2612         ae = &ad->AttrValue;
2613         memset(ae, 0, sizeof(*ae));
2614
2615         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
2616                  init_utsname()->sysname,
2617                  init_utsname()->release,
2618                  init_utsname()->version);
2619
2620         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2621         len += (len & 3) ? (4 - (len & 3)) : 4;
2622         size = FOURBYTES + len;
2623         ad->AttrLen = cpu_to_be16(size);
2624         ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
2625         return size;
2626 }
2627
2628 static int
2629 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
2630                           struct lpfc_fdmi_attr_def *ad)
2631 {
2632         struct lpfc_fdmi_attr_entry *ae;
2633         uint32_t size;
2634
2635         ae = &ad->AttrValue;
2636
2637         ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
2638         size = FOURBYTES + sizeof(uint32_t);
2639         ad->AttrLen = cpu_to_be16(size);
2640         ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
2641         return size;
2642 }
2643
2644 static int
2645 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
2646                                  struct lpfc_fdmi_attr_def *ad)
2647 {
2648         struct lpfc_fdmi_attr_entry *ae;
2649         uint32_t len, size;
2650
2651         ae = &ad->AttrValue;
2652         memset(ae, 0, sizeof(*ae));
2653
2654         len = lpfc_vport_symbolic_node_name(vport,
2655                                 ae->un.AttrString, 256);
2656         len += (len & 3) ? (4 - (len & 3)) : 4;
2657         size = FOURBYTES + len;
2658         ad->AttrLen = cpu_to_be16(size);
2659         ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
2660         return size;
2661 }
2662
2663 static int
2664 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
2665                                struct lpfc_fdmi_attr_def *ad)
2666 {
2667         struct lpfc_fdmi_attr_entry *ae;
2668         uint32_t size;
2669
2670         ae = &ad->AttrValue;
2671
2672         /* Nothing is defined for this currently */
2673         ae->un.AttrInt =  cpu_to_be32(0);
2674         size = FOURBYTES + sizeof(uint32_t);
2675         ad->AttrLen = cpu_to_be16(size);
2676         ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
2677         return size;
2678 }
2679
2680 static int
2681 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
2682                              struct lpfc_fdmi_attr_def *ad)
2683 {
2684         struct lpfc_fdmi_attr_entry *ae;
2685         uint32_t size;
2686
2687         ae = &ad->AttrValue;
2688
2689         /* Each driver instance corresponds to a single port */
2690         ae->un.AttrInt =  cpu_to_be32(1);
2691         size = FOURBYTES + sizeof(uint32_t);
2692         ad->AttrLen = cpu_to_be16(size);
2693         ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2694         return size;
2695 }
2696
2697 static int
2698 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2699                                struct lpfc_fdmi_attr_def *ad)
2700 {
2701         struct lpfc_fdmi_attr_entry *ae;
2702         uint32_t size;
2703
2704         ae = &ad->AttrValue;
2705         memset(ae, 0, sizeof(*ae));
2706
2707         memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2708                sizeof(struct lpfc_name));
2709         size = FOURBYTES + sizeof(struct lpfc_name);
2710         ad->AttrLen = cpu_to_be16(size);
2711         ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2712         return size;
2713 }
2714
2715 static int
2716 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2717                             struct lpfc_fdmi_attr_def *ad)
2718 {
2719         struct lpfc_hba *phba = vport->phba;
2720         struct lpfc_fdmi_attr_entry *ae;
2721         uint32_t len, size;
2722
2723         ae = &ad->AttrValue;
2724         memset(ae, 0, sizeof(*ae));
2725
2726         strlcat(ae->un.AttrString, phba->BIOSVersion,
2727                 sizeof(ae->un.AttrString));
2728         len = strnlen(ae->un.AttrString,
2729                           sizeof(ae->un.AttrString));
2730         len += (len & 3) ? (4 - (len & 3)) : 4;
2731         size = FOURBYTES + len;
2732         ad->AttrLen = cpu_to_be16(size);
2733         ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2734         return size;
2735 }
2736
2737 static int
2738 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2739                               struct lpfc_fdmi_attr_def *ad)
2740 {
2741         struct lpfc_fdmi_attr_entry *ae;
2742         uint32_t size;
2743
2744         ae = &ad->AttrValue;
2745
2746         /* Driver doesn't have access to this information */
2747         ae->un.AttrInt =  cpu_to_be32(0);
2748         size = FOURBYTES + sizeof(uint32_t);
2749         ad->AttrLen = cpu_to_be16(size);
2750         ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2751         return size;
2752 }
2753
2754 static int
2755 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2756                              struct lpfc_fdmi_attr_def *ad)
2757 {
2758         struct lpfc_fdmi_attr_entry *ae;
2759         uint32_t len, size;
2760
2761         ae = &ad->AttrValue;
2762         memset(ae, 0, sizeof(*ae));
2763
2764         strncpy(ae->un.AttrString, "EMULEX",
2765                 sizeof(ae->un.AttrString));
2766         len = strnlen(ae->un.AttrString,
2767                           sizeof(ae->un.AttrString));
2768         len += (len & 3) ? (4 - (len & 3)) : 4;
2769         size = FOURBYTES + len;
2770         ad->AttrLen = cpu_to_be16(size);
2771         ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2772         return size;
2773 }
2774
2775 /* Routines for all individual PORT attributes */
2776 static int
2777 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2778                             struct lpfc_fdmi_attr_def *ad)
2779 {
2780         struct lpfc_hba   *phba = vport->phba;
2781         struct lpfc_fdmi_attr_entry *ae;
2782         uint32_t size;
2783
2784         ae = &ad->AttrValue;
2785         memset(ae, 0, sizeof(*ae));
2786
2787         ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
2788         ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
2789
2790         /* Check to see if Firmware supports NVME and on physical port */
2791         if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2792             phba->sli4_hba.pc_sli4_params.nvme)
2793                 ae->un.AttrTypes[6] = 0x01; /* Type 0x28 - NVME */
2794
2795         size = FOURBYTES + 32;
2796         ad->AttrLen = cpu_to_be16(size);
2797         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2798         return size;
2799 }
2800
2801 static int
2802 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2803                                   struct lpfc_fdmi_attr_def *ad)
2804 {
2805         struct lpfc_hba   *phba = vport->phba;
2806         struct lpfc_fdmi_attr_entry *ae;
2807         uint32_t size;
2808
2809         ae = &ad->AttrValue;
2810
2811         ae->un.AttrInt = 0;
2812         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2813                 if (phba->lmt & LMT_128Gb)
2814                         ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2815                 if (phba->lmt & LMT_64Gb)
2816                         ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2817                 if (phba->lmt & LMT_32Gb)
2818                         ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2819                 if (phba->lmt & LMT_16Gb)
2820                         ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2821                 if (phba->lmt & LMT_10Gb)
2822                         ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2823                 if (phba->lmt & LMT_8Gb)
2824                         ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2825                 if (phba->lmt & LMT_4Gb)
2826                         ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2827                 if (phba->lmt & LMT_2Gb)
2828                         ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2829                 if (phba->lmt & LMT_1Gb)
2830                         ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2831         } else {
2832                 /* FCoE links support only one speed */
2833                 switch (phba->fc_linkspeed) {
2834                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2835                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
2836                         break;
2837                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2838                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
2839                         break;
2840                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2841                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
2842                         break;
2843                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2844                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
2845                         break;
2846                 }
2847         }
2848         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2849         size = FOURBYTES + sizeof(uint32_t);
2850         ad->AttrLen = cpu_to_be16(size);
2851         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2852         return size;
2853 }
2854
2855 static int
2856 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2857                           struct lpfc_fdmi_attr_def *ad)
2858 {
2859         struct lpfc_hba   *phba = vport->phba;
2860         struct lpfc_fdmi_attr_entry *ae;
2861         uint32_t size;
2862
2863         ae = &ad->AttrValue;
2864
2865         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2866                 switch (phba->fc_linkspeed) {
2867                 case LPFC_LINK_SPEED_1GHZ:
2868                         ae->un.AttrInt = HBA_PORTSPEED_1GFC;
2869                         break;
2870                 case LPFC_LINK_SPEED_2GHZ:
2871                         ae->un.AttrInt = HBA_PORTSPEED_2GFC;
2872                         break;
2873                 case LPFC_LINK_SPEED_4GHZ:
2874                         ae->un.AttrInt = HBA_PORTSPEED_4GFC;
2875                         break;
2876                 case LPFC_LINK_SPEED_8GHZ:
2877                         ae->un.AttrInt = HBA_PORTSPEED_8GFC;
2878                         break;
2879                 case LPFC_LINK_SPEED_10GHZ:
2880                         ae->un.AttrInt = HBA_PORTSPEED_10GFC;
2881                         break;
2882                 case LPFC_LINK_SPEED_16GHZ:
2883                         ae->un.AttrInt = HBA_PORTSPEED_16GFC;
2884                         break;
2885                 case LPFC_LINK_SPEED_32GHZ:
2886                         ae->un.AttrInt = HBA_PORTSPEED_32GFC;
2887                         break;
2888                 case LPFC_LINK_SPEED_64GHZ:
2889                         ae->un.AttrInt = HBA_PORTSPEED_64GFC;
2890                         break;
2891                 case LPFC_LINK_SPEED_128GHZ:
2892                         ae->un.AttrInt = HBA_PORTSPEED_128GFC;
2893                         break;
2894                 default:
2895                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2896                         break;
2897                 }
2898         } else {
2899                 switch (phba->fc_linkspeed) {
2900                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2901                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
2902                         break;
2903                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2904                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
2905                         break;
2906                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2907                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
2908                         break;
2909                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2910                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
2911                         break;
2912                 default:
2913                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2914                         break;
2915                 }
2916         }
2917
2918         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2919         size = FOURBYTES + sizeof(uint32_t);
2920         ad->AttrLen = cpu_to_be16(size);
2921         ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
2922         return size;
2923 }
2924
2925 static int
2926 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
2927                               struct lpfc_fdmi_attr_def *ad)
2928 {
2929         struct serv_parm *hsp;
2930         struct lpfc_fdmi_attr_entry *ae;
2931         uint32_t size;
2932
2933         ae = &ad->AttrValue;
2934
2935         hsp = (struct serv_parm *)&vport->fc_sparam;
2936         ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
2937                           (uint32_t) hsp->cmn.bbRcvSizeLsb;
2938         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2939         size = FOURBYTES + sizeof(uint32_t);
2940         ad->AttrLen = cpu_to_be16(size);
2941         ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
2942         return size;
2943 }
2944
2945 static int
2946 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
2947                                struct lpfc_fdmi_attr_def *ad)
2948 {
2949         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2950         struct lpfc_fdmi_attr_entry *ae;
2951         uint32_t len, size;
2952
2953         ae = &ad->AttrValue;
2954         memset(ae, 0, sizeof(*ae));
2955
2956         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
2957                  "/sys/class/scsi_host/host%d", shost->host_no);
2958         len = strnlen((char *)ae->un.AttrString,
2959                           sizeof(ae->un.AttrString));
2960         len += (len & 3) ? (4 - (len & 3)) : 4;
2961         size = FOURBYTES + len;
2962         ad->AttrLen = cpu_to_be16(size);
2963         ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
2964         return size;
2965 }
2966
2967 static int
2968 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
2969                               struct lpfc_fdmi_attr_def *ad)
2970 {
2971         struct lpfc_fdmi_attr_entry *ae;
2972         uint32_t len, size;
2973
2974         ae = &ad->AttrValue;
2975         memset(ae, 0, sizeof(*ae));
2976
2977         scnprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
2978                   vport->phba->os_host_name);
2979
2980         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2981         len += (len & 3) ? (4 - (len & 3)) : 4;
2982         size = FOURBYTES + len;
2983         ad->AttrLen = cpu_to_be16(size);
2984         ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
2985         return size;
2986 }
2987
2988 static int
2989 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
2990                          struct lpfc_fdmi_attr_def *ad)
2991 {
2992         struct lpfc_fdmi_attr_entry *ae;
2993         uint32_t size;
2994
2995         ae = &ad->AttrValue;
2996         memset(ae, 0, sizeof(*ae));
2997
2998         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2999                sizeof(struct lpfc_name));
3000         size = FOURBYTES + sizeof(struct lpfc_name);
3001         ad->AttrLen = cpu_to_be16(size);
3002         ad->AttrType = cpu_to_be16(RPRT_NODENAME);
3003         return size;
3004 }
3005
3006 static int
3007 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
3008                          struct lpfc_fdmi_attr_def *ad)
3009 {
3010         struct lpfc_fdmi_attr_entry *ae;
3011         uint32_t size;
3012
3013         ae = &ad->AttrValue;
3014         memset(ae, 0, sizeof(*ae));
3015
3016         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
3017                sizeof(struct lpfc_name));
3018         size = FOURBYTES + sizeof(struct lpfc_name);
3019         ad->AttrLen = cpu_to_be16(size);
3020         ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
3021         return size;
3022 }
3023
3024 static int
3025 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
3026                                   struct lpfc_fdmi_attr_def *ad)
3027 {
3028         struct lpfc_fdmi_attr_entry *ae;
3029         uint32_t len, size;
3030
3031         ae = &ad->AttrValue;
3032         memset(ae, 0, sizeof(*ae));
3033
3034         len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
3035         len += (len & 3) ? (4 - (len & 3)) : 4;
3036         size = FOURBYTES + len;
3037         ad->AttrLen = cpu_to_be16(size);
3038         ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
3039         return size;
3040 }
3041
3042 static int
3043 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
3044                               struct lpfc_fdmi_attr_def *ad)
3045 {
3046         struct lpfc_hba *phba = vport->phba;
3047         struct lpfc_fdmi_attr_entry *ae;
3048         uint32_t size;
3049
3050         ae = &ad->AttrValue;
3051         if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
3052                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
3053         else
3054                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
3055         size = FOURBYTES + sizeof(uint32_t);
3056         ad->AttrLen = cpu_to_be16(size);
3057         ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
3058         return size;
3059 }
3060
3061 static int
3062 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
3063                           struct lpfc_fdmi_attr_def *ad)
3064 {
3065         struct lpfc_fdmi_attr_entry *ae;
3066         uint32_t size;
3067
3068         ae = &ad->AttrValue;
3069         ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
3070         size = FOURBYTES + sizeof(uint32_t);
3071         ad->AttrLen = cpu_to_be16(size);
3072         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
3073         return size;
3074 }
3075
3076 static int
3077 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
3078                                 struct lpfc_fdmi_attr_def *ad)
3079 {
3080         struct lpfc_fdmi_attr_entry *ae;
3081         uint32_t size;
3082
3083         ae = &ad->AttrValue;
3084         memset(ae, 0, sizeof(*ae));
3085
3086         memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
3087                sizeof(struct lpfc_name));
3088         size = FOURBYTES + sizeof(struct lpfc_name);
3089         ad->AttrLen = cpu_to_be16(size);
3090         ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
3091         return size;
3092 }
3093
3094 static int
3095 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
3096                                    struct lpfc_fdmi_attr_def *ad)
3097 {
3098         struct lpfc_fdmi_attr_entry *ae;
3099         uint32_t size;
3100
3101         ae = &ad->AttrValue;
3102         memset(ae, 0, sizeof(*ae));
3103
3104         ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
3105         ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
3106
3107         /* Check to see if NVME is configured or not */
3108         if (vport->phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3109                 ae->un.AttrTypes[6] = 0x1; /* Type 0x28 - NVME */
3110
3111         size = FOURBYTES + 32;
3112         ad->AttrLen = cpu_to_be16(size);
3113         ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
3114         return size;
3115 }
3116
3117 static int
3118 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
3119                                struct lpfc_fdmi_attr_def *ad)
3120 {
3121         struct lpfc_fdmi_attr_entry *ae;
3122         uint32_t size;
3123
3124         ae = &ad->AttrValue;
3125         /* Link Up - operational */
3126         ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
3127         size = FOURBYTES + sizeof(uint32_t);
3128         ad->AttrLen = cpu_to_be16(size);
3129         ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
3130         return size;
3131 }
3132
3133 static int
3134 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
3135                              struct lpfc_fdmi_attr_def *ad)
3136 {
3137         struct lpfc_fdmi_attr_entry *ae;
3138         uint32_t size;
3139
3140         ae = &ad->AttrValue;
3141         vport->fdmi_num_disc = lpfc_find_map_node(vport);
3142         ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
3143         size = FOURBYTES + sizeof(uint32_t);
3144         ad->AttrLen = cpu_to_be16(size);
3145         ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
3146         return size;
3147 }
3148
3149 static int
3150 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
3151                             struct lpfc_fdmi_attr_def *ad)
3152 {
3153         struct lpfc_fdmi_attr_entry *ae;
3154         uint32_t size;
3155
3156         ae = &ad->AttrValue;
3157         ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
3158         size = FOURBYTES + sizeof(uint32_t);
3159         ad->AttrLen = cpu_to_be16(size);
3160         ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
3161         return size;
3162 }
3163
3164 static int
3165 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
3166                              struct lpfc_fdmi_attr_def *ad)
3167 {
3168         struct lpfc_fdmi_attr_entry *ae;
3169         uint32_t len, size;
3170
3171         ae = &ad->AttrValue;
3172         memset(ae, 0, sizeof(*ae));
3173
3174         strncpy(ae->un.AttrString, "Smart SAN Initiator",
3175                 sizeof(ae->un.AttrString));
3176         len = strnlen(ae->un.AttrString,
3177                           sizeof(ae->un.AttrString));
3178         len += (len & 3) ? (4 - (len & 3)) : 4;
3179         size = FOURBYTES + len;
3180         ad->AttrLen = cpu_to_be16(size);
3181         ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
3182         return size;
3183 }
3184
3185 static int
3186 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
3187                           struct lpfc_fdmi_attr_def *ad)
3188 {
3189         struct lpfc_fdmi_attr_entry *ae;
3190         uint32_t size;
3191
3192         ae = &ad->AttrValue;
3193         memset(ae, 0, sizeof(*ae));
3194
3195         memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
3196                sizeof(struct lpfc_name));
3197         memcpy((((uint8_t *)&ae->un.AttrString) +
3198                 sizeof(struct lpfc_name)),
3199                 &vport->fc_sparam.portName, sizeof(struct lpfc_name));
3200         size = FOURBYTES + (2 * sizeof(struct lpfc_name));
3201         ad->AttrLen =  cpu_to_be16(size);
3202         ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
3203         return size;
3204 }
3205
3206 static int
3207 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
3208                              struct lpfc_fdmi_attr_def *ad)
3209 {
3210         struct lpfc_fdmi_attr_entry *ae;
3211         uint32_t len, size;
3212
3213         ae = &ad->AttrValue;
3214         memset(ae, 0, sizeof(*ae));
3215
3216         strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
3217                 sizeof(ae->un.AttrString));
3218         len = strnlen(ae->un.AttrString,
3219                           sizeof(ae->un.AttrString));
3220         len += (len & 3) ? (4 - (len & 3)) : 4;
3221         size = FOURBYTES + len;
3222         ad->AttrLen =  cpu_to_be16(size);
3223         ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
3224         return size;
3225 }
3226
3227 static int
3228 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
3229                            struct lpfc_fdmi_attr_def *ad)
3230 {
3231         struct lpfc_hba *phba = vport->phba;
3232         struct lpfc_fdmi_attr_entry *ae;
3233         uint32_t len, size;
3234
3235         ae = &ad->AttrValue;
3236         memset(ae, 0, sizeof(*ae));
3237
3238         strncpy(ae->un.AttrString, phba->ModelName,
3239                 sizeof(ae->un.AttrString));
3240         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3241         len += (len & 3) ? (4 - (len & 3)) : 4;
3242         size = FOURBYTES + len;
3243         ad->AttrLen = cpu_to_be16(size);
3244         ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
3245         return size;
3246 }
3247
3248 static int
3249 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
3250                                struct lpfc_fdmi_attr_def *ad)
3251 {
3252         struct lpfc_fdmi_attr_entry *ae;
3253         uint32_t size;
3254
3255         ae = &ad->AttrValue;
3256
3257         /* SRIOV (type 3) is not supported */
3258         if (vport->vpi)
3259                 ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
3260         else
3261                 ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
3262         size = FOURBYTES + sizeof(uint32_t);
3263         ad->AttrLen = cpu_to_be16(size);
3264         ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
3265         return size;
3266 }
3267
3268 static int
3269 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
3270                          struct lpfc_fdmi_attr_def *ad)
3271 {
3272         struct lpfc_fdmi_attr_entry *ae;
3273         uint32_t size;
3274
3275         ae = &ad->AttrValue;
3276         ae->un.AttrInt =  cpu_to_be32(0);
3277         size = FOURBYTES + sizeof(uint32_t);
3278         ad->AttrLen = cpu_to_be16(size);
3279         ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
3280         return size;
3281 }
3282
3283 static int
3284 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
3285                               struct lpfc_fdmi_attr_def *ad)
3286 {
3287         struct lpfc_fdmi_attr_entry *ae;
3288         uint32_t size;
3289
3290         ae = &ad->AttrValue;
3291         ae->un.AttrInt =  cpu_to_be32(1);
3292         size = FOURBYTES + sizeof(uint32_t);
3293         ad->AttrLen = cpu_to_be16(size);
3294         ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
3295         return size;
3296 }
3297
3298 static int
3299 lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport,
3300                           struct lpfc_fdmi_attr_def *ad)
3301 {
3302         struct lpfc_hba *phba = vport->phba;
3303         struct lpfc_fdmi_attr_entry *ae;
3304         uint32_t len, size;
3305         char mibrevision[16];
3306
3307         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
3308         memset(ae, 0, 256);
3309         sprintf(mibrevision, "ELXE2EM:%04d",
3310                 phba->sli4_hba.pc_sli4_params.mi_value);
3311         strncpy(ae->un.AttrString, &mibrevision[0], sizeof(ae->un.AttrString));
3312         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3313         len += (len & 3) ? (4 - (len & 3)) : 4;
3314         size = FOURBYTES + len;
3315         ad->AttrLen = cpu_to_be16(size);
3316         ad->AttrType = cpu_to_be16(RPRT_VENDOR_MI);
3317         return size;
3318 }
3319
3320 /* RHBA attribute jump table */
3321 int (*lpfc_fdmi_hba_action[])
3322         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3323         /* Action routine                 Mask bit     Attribute type */
3324         lpfc_fdmi_hba_attr_wwnn,          /* bit0     RHBA_NODENAME           */
3325         lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
3326         lpfc_fdmi_hba_attr_sn,            /* bit2     RHBA_SERIAL_NUMBER      */
3327         lpfc_fdmi_hba_attr_model,         /* bit3     RHBA_MODEL              */
3328         lpfc_fdmi_hba_attr_description,   /* bit4     RHBA_MODEL_DESCRIPTION  */
3329         lpfc_fdmi_hba_attr_hdw_ver,       /* bit5     RHBA_HARDWARE_VERSION   */
3330         lpfc_fdmi_hba_attr_drvr_ver,      /* bit6     RHBA_DRIVER_VERSION     */
3331         lpfc_fdmi_hba_attr_rom_ver,       /* bit7     RHBA_OPTION_ROM_VERSION */
3332         lpfc_fdmi_hba_attr_fmw_ver,       /* bit8     RHBA_FIRMWARE_VERSION   */
3333         lpfc_fdmi_hba_attr_os_ver,        /* bit9     RHBA_OS_NAME_VERSION    */
3334         lpfc_fdmi_hba_attr_ct_len,        /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
3335         lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
3336         lpfc_fdmi_hba_attr_vendor_info,   /* bit12    RHBA_VENDOR_INFO        */
3337         lpfc_fdmi_hba_attr_num_ports,     /* bit13    RHBA_NUM_PORTS          */
3338         lpfc_fdmi_hba_attr_fabric_wwnn,   /* bit14    RHBA_FABRIC_WWNN        */
3339         lpfc_fdmi_hba_attr_bios_ver,      /* bit15    RHBA_BIOS_VERSION       */
3340         lpfc_fdmi_hba_attr_bios_state,    /* bit16    RHBA_BIOS_STATE         */
3341         lpfc_fdmi_hba_attr_vendor_id,     /* bit17    RHBA_VENDOR_ID          */
3342 };
3343
3344 /* RPA / RPRT attribute jump table */
3345 int (*lpfc_fdmi_port_action[])
3346         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3347         /* Action routine                   Mask bit   Attribute type */
3348         lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
3349         lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
3350         lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
3351         lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
3352         lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
3353         lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
3354         lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
3355         lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
3356         lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
3357         lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
3358         lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
3359         lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
3360         lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
3361         lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
3362         lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
3363         lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
3364         lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
3365         lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
3366         lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
3367         lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
3368         lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
3369         lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
3370         lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
3371         lpfc_fdmi_vendor_attr_mi,           /* bit23  RPRT_VENDOR_MI          */
3372 };
3373
3374 /**
3375  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3376  * @vport: pointer to a host virtual N_Port data structure.
3377  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3378  * @cmdcode: FDMI command to send
3379  * @new_mask: Mask of HBA or PORT Attributes to send
3380  *
3381  * Builds and sends a FDMI command using the CT subsystem.
3382  */
3383 int
3384 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3385               int cmdcode, uint32_t new_mask)
3386 {
3387         struct lpfc_hba *phba = vport->phba;
3388         struct lpfc_dmabuf *mp, *bmp;
3389         struct lpfc_sli_ct_request *CtReq;
3390         struct ulp_bde64 *bpl;
3391         uint32_t bit_pos;
3392         uint32_t size;
3393         uint32_t rsp_size;
3394         uint32_t mask;
3395         struct lpfc_fdmi_reg_hba *rh;
3396         struct lpfc_fdmi_port_entry *pe;
3397         struct lpfc_fdmi_reg_portattr *pab = NULL;
3398         struct lpfc_fdmi_attr_block *ab = NULL;
3399         int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
3400         void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
3401                      struct lpfc_iocbq *);
3402
3403         if (!ndlp)
3404                 return 0;
3405
3406         cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3407
3408         /* fill in BDEs for command */
3409         /* Allocate buffer for command payload */
3410         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3411         if (!mp)
3412                 goto fdmi_cmd_exit;
3413
3414         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
3415         if (!mp->virt)
3416                 goto fdmi_cmd_free_mp;
3417
3418         /* Allocate buffer for Buffer ptr list */
3419         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3420         if (!bmp)
3421                 goto fdmi_cmd_free_mpvirt;
3422
3423         bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
3424         if (!bmp->virt)
3425                 goto fdmi_cmd_free_bmp;
3426
3427         INIT_LIST_HEAD(&mp->list);
3428         INIT_LIST_HEAD(&bmp->list);
3429
3430         /* FDMI request */
3431         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3432                          "0218 FDMI Request Data: x%x x%x x%x\n",
3433                          vport->fc_flag, vport->port_state, cmdcode);
3434         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
3435
3436         /* First populate the CT_IU preamble */
3437         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
3438         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3439         CtReq->RevisionId.bits.InId = 0;
3440
3441         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3442         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3443
3444         CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3445         rsp_size = LPFC_BPL_SIZE;
3446         size = 0;
3447
3448         /* Next fill in the specific FDMI cmd information */
3449         switch (cmdcode) {
3450         case SLI_MGMT_RHAT:
3451         case SLI_MGMT_RHBA:
3452                 rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
3453                 /* HBA Identifier */
3454                 memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3455                        sizeof(struct lpfc_name));
3456
3457                 if (cmdcode == SLI_MGMT_RHBA) {
3458                         /* Registered Port List */
3459                         /* One entry (port) per adapter */
3460                         rh->rpl.EntryCnt = cpu_to_be32(1);
3461                         memcpy(&rh->rpl.pe.PortName,
3462                                &phba->pport->fc_sparam.portName,
3463                                sizeof(struct lpfc_name));
3464
3465                         /* point to the HBA attribute block */
3466                         size = 2 * sizeof(struct lpfc_name) +
3467                                 FOURBYTES;
3468                 } else {
3469                         size = sizeof(struct lpfc_name);
3470                 }
3471                 ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3472                 ab->EntryCnt = 0;
3473                 size += FOURBYTES;
3474                 bit_pos = 0;
3475                 if (new_mask)
3476                         mask = new_mask;
3477                 else
3478                         mask = vport->fdmi_hba_mask;
3479
3480                 /* Mask will dictate what attributes to build in the request */
3481                 while (mask) {
3482                         if (mask & 0x1) {
3483                                 func = lpfc_fdmi_hba_action[bit_pos];
3484                                 size += func(vport,
3485                                              (struct lpfc_fdmi_attr_def *)
3486                                              ((uint8_t *)rh + size));
3487                                 ab->EntryCnt++;
3488                                 if ((size + 256) >
3489                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3490                                         goto hba_out;
3491                         }
3492                         mask = mask >> 1;
3493                         bit_pos++;
3494                 }
3495 hba_out:
3496                 ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3497                 /* Total size */
3498                 size = GID_REQUEST_SZ - 4 + size;
3499                 break;
3500
3501         case SLI_MGMT_RPRT:
3502         case SLI_MGMT_RPA:
3503                 pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
3504                 if (cmdcode == SLI_MGMT_RPRT) {
3505                         rh = (struct lpfc_fdmi_reg_hba *)pab;
3506                         /* HBA Identifier */
3507                         memcpy(&rh->hi.PortName,
3508                                &phba->pport->fc_sparam.portName,
3509                                sizeof(struct lpfc_name));
3510                         pab = (struct lpfc_fdmi_reg_portattr *)
3511                                 ((uint8_t *)pab +  sizeof(struct lpfc_name));
3512                 }
3513
3514                 memcpy((uint8_t *)&pab->PortName,
3515                        (uint8_t *)&vport->fc_sparam.portName,
3516                        sizeof(struct lpfc_name));
3517                 size += sizeof(struct lpfc_name) + FOURBYTES;
3518                 pab->ab.EntryCnt = 0;
3519                 bit_pos = 0;
3520                 if (new_mask)
3521                         mask = new_mask;
3522                 else
3523                         mask = vport->fdmi_port_mask;
3524
3525                 /* Mask will dictate what attributes to build in the request */
3526                 while (mask) {
3527                         if (mask & 0x1) {
3528                                 func = lpfc_fdmi_port_action[bit_pos];
3529                                 size += func(vport,
3530                                              (struct lpfc_fdmi_attr_def *)
3531                                              ((uint8_t *)pab + size));
3532                                 pab->ab.EntryCnt++;
3533                                 if ((size + 256) >
3534                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3535                                         goto port_out;
3536                         }
3537                         mask = mask >> 1;
3538                         bit_pos++;
3539                 }
3540 port_out:
3541                 pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3542                 /* Total size */
3543                 if (cmdcode == SLI_MGMT_RPRT)
3544                         size += sizeof(struct lpfc_name);
3545                 size = GID_REQUEST_SZ - 4 + size;
3546                 break;
3547
3548         case SLI_MGMT_GHAT:
3549         case SLI_MGMT_GRPL:
3550                 rsp_size = FC_MAX_NS_RSP;
3551                 fallthrough;
3552         case SLI_MGMT_DHBA:
3553         case SLI_MGMT_DHAT:
3554                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3555                 memcpy((uint8_t *)&pe->PortName,
3556                        (uint8_t *)&vport->fc_sparam.portName,
3557                        sizeof(struct lpfc_name));
3558                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3559                 break;
3560
3561         case SLI_MGMT_GPAT:
3562         case SLI_MGMT_GPAS:
3563                 rsp_size = FC_MAX_NS_RSP;
3564                 fallthrough;
3565         case SLI_MGMT_DPRT:
3566         case SLI_MGMT_DPA:
3567                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3568                 memcpy((uint8_t *)&pe->PortName,
3569                        (uint8_t *)&vport->fc_sparam.portName,
3570                        sizeof(struct lpfc_name));
3571                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3572                 break;
3573         case SLI_MGMT_GRHL:
3574                 size = GID_REQUEST_SZ - 4;
3575                 break;
3576         default:
3577                 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3578                                  "0298 FDMI cmdcode x%x not supported\n",
3579                                  cmdcode);
3580                 goto fdmi_cmd_free_bmpvirt;
3581         }
3582         CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3583
3584         bpl = (struct ulp_bde64 *)bmp->virt;
3585         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
3586         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
3587         bpl->tus.f.bdeFlags = 0;
3588         bpl->tus.f.bdeSize = size;
3589
3590         /*
3591          * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3592          * to hold ndlp reference for the corresponding callback function.
3593          */
3594         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
3595                 return 0;
3596
3597 fdmi_cmd_free_bmpvirt:
3598         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3599 fdmi_cmd_free_bmp:
3600         kfree(bmp);
3601 fdmi_cmd_free_mpvirt:
3602         lpfc_mbuf_free(phba, mp->virt, mp->phys);
3603 fdmi_cmd_free_mp:
3604         kfree(mp);
3605 fdmi_cmd_exit:
3606         /* Issue FDMI request failed */
3607         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3608                          "0244 Issue FDMI request failed Data: x%x\n",
3609                          cmdcode);
3610         return 1;
3611 }
3612
3613 /**
3614  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3615  * @t: Context object of the timer.
3616  *
3617  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3618  * the worker thread.
3619  **/
3620 void
3621 lpfc_delayed_disc_tmo(struct timer_list *t)
3622 {
3623         struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3624         struct lpfc_hba   *phba = vport->phba;
3625         uint32_t tmo_posted;
3626         unsigned long iflag;
3627
3628         spin_lock_irqsave(&vport->work_port_lock, iflag);
3629         tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3630         if (!tmo_posted)
3631                 vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3632         spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3633
3634         if (!tmo_posted)
3635                 lpfc_worker_wake_up(phba);
3636         return;
3637 }
3638
3639 /**
3640  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3641  *      handle delayed discovery.
3642  * @vport: pointer to a host virtual N_Port data structure.
3643  *
3644  * This function start nport discovery of the vport.
3645  **/
3646 void
3647 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3648 {
3649         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3650
3651         spin_lock_irq(shost->host_lock);
3652         if (!(vport->fc_flag & FC_DISC_DELAYED)) {
3653                 spin_unlock_irq(shost->host_lock);
3654                 return;
3655         }
3656         vport->fc_flag &= ~FC_DISC_DELAYED;
3657         spin_unlock_irq(shost->host_lock);
3658
3659         lpfc_do_scr_ns_plogi(vport->phba, vport);
3660 }
3661
3662 void
3663 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3664 {
3665         struct lpfc_sli *psli = &phba->sli;
3666         lpfc_vpd_t *vp = &phba->vpd;
3667         uint32_t b1, b2, b3, b4, i, rev;
3668         char c;
3669         uint32_t *ptr, str[4];
3670         uint8_t *fwname;
3671
3672         if (phba->sli_rev == LPFC_SLI_REV4)
3673                 snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3674         else if (vp->rev.rBit) {
3675                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
3676                         rev = vp->rev.sli2FwRev;
3677                 else
3678                         rev = vp->rev.sli1FwRev;
3679
3680                 b1 = (rev & 0x0000f000) >> 12;
3681                 b2 = (rev & 0x00000f00) >> 8;
3682                 b3 = (rev & 0x000000c0) >> 6;
3683                 b4 = (rev & 0x00000030) >> 4;
3684
3685                 switch (b4) {
3686                 case 0:
3687                         c = 'N';
3688                         break;
3689                 case 1:
3690                         c = 'A';
3691                         break;
3692                 case 2:
3693                         c = 'B';
3694                         break;
3695                 case 3:
3696                         c = 'X';
3697                         break;
3698                 default:
3699                         c = 0;
3700                         break;
3701                 }
3702                 b4 = (rev & 0x0000000f);
3703
3704                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
3705                         fwname = vp->rev.sli2FwName;
3706                 else
3707                         fwname = vp->rev.sli1FwName;
3708
3709                 for (i = 0; i < 16; i++)
3710                         if (fwname[i] == 0x20)
3711                                 fwname[i] = 0;
3712
3713                 ptr = (uint32_t*)fwname;
3714
3715                 for (i = 0; i < 3; i++)
3716                         str[i] = be32_to_cpu(*ptr++);
3717
3718                 if (c == 0) {
3719                         if (flag)
3720                                 sprintf(fwrevision, "%d.%d%d (%s)",
3721                                         b1, b2, b3, (char *)str);
3722                         else
3723                                 sprintf(fwrevision, "%d.%d%d", b1,
3724                                         b2, b3);
3725                 } else {
3726                         if (flag)
3727                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3728                                         b1, b2, b3, c,
3729                                         b4, (char *)str);
3730                         else
3731                                 sprintf(fwrevision, "%d.%d%d%c%d",
3732                                         b1, b2, b3, c, b4);
3733                 }
3734         } else {
3735                 rev = vp->rev.smFwRev;
3736
3737                 b1 = (rev & 0xff000000) >> 24;
3738                 b2 = (rev & 0x00f00000) >> 20;
3739                 b3 = (rev & 0x000f0000) >> 16;
3740                 c  = (rev & 0x0000ff00) >> 8;
3741                 b4 = (rev & 0x000000ff);
3742
3743                 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3744         }
3745         return;
3746 }