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) 2017-2022 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 static void
  79 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
  80                       struct lpfc_iocbq *rspiocb);
  81
  82 static void
  83 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  84                           struct lpfc_dmabuf *mp, uint32_t size)
  85 {
  86         if (!mp) {
  87                 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  88                                 "0146 Ignoring unsolicited CT No HBQ "
  89                                 "status = x%x\n",
  90                                 get_job_ulpstatus(phba, piocbq));
  91         }
  92         lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  93                         "0145 Ignoring unsolicted CT HBQ Size:%d "
  94                         "status = x%x\n",
  95                         size, get_job_ulpstatus(phba, piocbq));
  96 }
  97
  98 static void
  99 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
 100                      struct lpfc_dmabuf *mp, uint32_t size)
 101 {
 102         lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
 103 }
 104
 105 /**
 106  * lpfc_ct_unsol_cmpl : Completion callback function for unsol ct commands
 107  * @phba : pointer to lpfc hba data structure.
 108  * @cmdiocb : pointer to lpfc command iocb data structure.
 109  * @rspiocb : pointer to lpfc response iocb data structure.
 110  *
 111  * This routine is the callback function for issuing unsol ct reject command.
 112  * The memory allocated in the reject command path is freed up here.
 113  **/
 114 static void
 115 lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 116                    struct lpfc_iocbq *rspiocb)
 117 {
 118         struct lpfc_nodelist *ndlp;
 119         struct lpfc_dmabuf *mp, *bmp;
 120
 121         ndlp = cmdiocb->ndlp;
 122         if (ndlp)
 123                 lpfc_nlp_put(ndlp);
 124
 125         mp = cmdiocb->rsp_dmabuf;
 126         bmp = cmdiocb->bpl_dmabuf;
 127         if (mp) {
 128                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 129                 kfree(mp);
 130                 cmdiocb->rsp_dmabuf = NULL;
 131         }
 132
 133         if (bmp) {
 134                 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
 135                 kfree(bmp);
 136                 cmdiocb->bpl_dmabuf = NULL;
 137         }
 138
 139         lpfc_sli_release_iocbq(phba, cmdiocb);
 140 }
 141
 142 /**
 143  * lpfc_ct_reject_event - Issue reject for unhandled CT MIB commands
 144  * @ndlp: pointer to a node-list data structure.
 145  * @ct_req: pointer to the CT request data structure.
 146  * @ulp_context: context of received UNSOL CT command
 147  * @ox_id: ox_id of the UNSOL CT command
 148  *
 149  * This routine is invoked by the lpfc_ct_handle_mibreq routine for sending
 150  * a reject response. Reject response is sent for the unhandled commands.
 151  **/
 152 static void
 153 lpfc_ct_reject_event(struct lpfc_nodelist *ndlp,
 154                      struct lpfc_sli_ct_request *ct_req,
 155                      u16 ulp_context, u16 ox_id)
 156 {
 157         struct lpfc_vport *vport = ndlp->vport;
 158         struct lpfc_hba *phba = vport->phba;
 159         struct lpfc_sli_ct_request *ct_rsp;
 160         struct lpfc_iocbq *cmdiocbq = NULL;
 161         struct lpfc_dmabuf *bmp = NULL;
 162         struct lpfc_dmabuf *mp = NULL;
 163         struct ulp_bde64 *bpl;
 164         u8 rc = 0;
 165         u32 tmo;
 166
 167         /* fill in BDEs for command */
 168         mp = kmalloc(sizeof(*mp), GFP_KERNEL);
 169         if (!mp) {
 170                 rc = 1;
 171                 goto ct_exit;
 172         }
 173
 174         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp->phys);
 175         if (!mp->virt) {
 176                 rc = 2;
 177                 goto ct_free_mp;
 178         }
 179
 180         /* Allocate buffer for Buffer ptr list */
 181         bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
 182         if (!bmp) {
 183                 rc = 3;
 184                 goto ct_free_mpvirt;
 185         }
 186
 187         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &bmp->phys);
 188         if (!bmp->virt) {
 189                 rc = 4;
 190                 goto ct_free_bmp;
 191         }
 192
 193         INIT_LIST_HEAD(&mp->list);
 194         INIT_LIST_HEAD(&bmp->list);
 195
 196         bpl = (struct ulp_bde64 *)bmp->virt;
 197         memset(bpl, 0, sizeof(struct ulp_bde64));
 198         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
 199         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
 200         bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
 201         bpl->tus.f.bdeSize = (LPFC_CT_PREAMBLE - 4);
 202         bpl->tus.w = le32_to_cpu(bpl->tus.w);
 203
 204         ct_rsp = (struct lpfc_sli_ct_request *)mp->virt;
 205         memset(ct_rsp, 0, sizeof(struct lpfc_sli_ct_request));
 206
 207         ct_rsp->RevisionId.bits.Revision = SLI_CT_REVISION;
 208         ct_rsp->RevisionId.bits.InId = 0;
 209         ct_rsp->FsType = ct_req->FsType;
 210         ct_rsp->FsSubType = ct_req->FsSubType;
 211         ct_rsp->CommandResponse.bits.Size = 0;
 212         ct_rsp->CommandResponse.bits.CmdRsp =
 213                 cpu_to_be16(SLI_CT_RESPONSE_FS_RJT);
 214         ct_rsp->ReasonCode = SLI_CT_REQ_NOT_SUPPORTED;
 215         ct_rsp->Explanation = SLI_CT_NO_ADDITIONAL_EXPL;
 216
 217         cmdiocbq = lpfc_sli_get_iocbq(phba);
 218         if (!cmdiocbq) {
 219                 rc = 5;
 220                 goto ct_free_bmpvirt;
 221         }
 222
 223         if (phba->sli_rev == LPFC_SLI_REV4) {
 224                 lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp,
 225                                          phba->sli4_hba.rpi_ids[ndlp->nlp_rpi],
 226                                          ox_id, 1, FC_RCTL_DD_SOL_CTL, 1,
 227                                          CMD_XMIT_SEQUENCE64_WQE);
 228         } else {
 229                 lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, 0, ulp_context, 1,
 230                                          FC_RCTL_DD_SOL_CTL, 1,
 231                                          CMD_XMIT_SEQUENCE64_CX);
 232         }
 233
 234         /* Save for completion so we can release these resources */
 235         cmdiocbq->rsp_dmabuf = mp;
 236         cmdiocbq->bpl_dmabuf = bmp;
 237         cmdiocbq->cmd_cmpl = lpfc_ct_unsol_cmpl;
 238         tmo = (3 * phba->fc_ratov);
 239
 240         cmdiocbq->retry = 0;
 241         cmdiocbq->vport = vport;
 242         cmdiocbq->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
 243
 244         cmdiocbq->ndlp = lpfc_nlp_get(ndlp);
 245         if (!cmdiocbq->ndlp)
 246                 goto ct_no_ndlp;
 247
 248         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
 249         if (rc) {
 250                 lpfc_nlp_put(ndlp);
 251                 goto ct_no_ndlp;
 252         }
 253         return;
 254
 255 ct_no_ndlp:
 256         rc = 6;
 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  * @ctiocbq: 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 = ctiocbq->vport;
 287         u32 ulp_status = get_job_ulpstatus(phba, ctiocbq);
 288         u32 ulp_word4 = get_job_word4(phba, ctiocbq);
 289         u32 did;
 290         u32 mi_cmd;
 291
 292         did = bf_get(els_rsp64_sid, &ctiocbq->wqe.xmit_els_rsp);
 293         if (ulp_status) {
 294                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 295                                  "6438 Unsol CT: status:x%x/x%x did : x%x\n",
 296                                  ulp_status, ulp_word4, did);
 297                 return;
 298         }
 299
 300         /* Ignore traffic received during vport shutdown */
 301         if (vport->fc_flag & FC_UNLOADING)
 302                 return;
 303
 304         ndlp = lpfc_findnode_did(vport, did);
 305         if (!ndlp) {
 306                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 307                                  "6439 Unsol CT: NDLP Not Found for DID : x%x",
 308                                  did);
 309                 return;
 310         }
 311
 312         ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
 313
 314         mi_cmd = ct_req->CommandResponse.bits.CmdRsp;
 315         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 316                          "6442 : MI Cmd : x%x Not Supported\n", mi_cmd);
 317         lpfc_ct_reject_event(ndlp, ct_req,
 318                              bf_get(wqe_ctxt_tag,
 319                                     &ctiocbq->wqe.xmit_els_rsp.wqe_com),
 320                              bf_get(wqe_rcvoxid,
 321                                     &ctiocbq->wqe.xmit_els_rsp.wqe_com));
 322 }
 323
 324 /**
 325  * lpfc_ct_unsol_event - Process an unsolicited event from a ct sli ring
 326  * @phba: pointer to lpfc hba data structure.
 327  * @pring: pointer to a SLI ring.
 328  * @ctiocbq: pointer to lpfc ct iocb data structure.
 329  *
 330  * This routine is used to process an unsolicited event received from a SLI
 331  * (Service Level Interface) ring. The actual processing of the data buffer
 332  * associated with the unsolicited event is done by invoking appropriate routine
 333  * after properly set up the iocb buffer from the SLI ring on which the
 334  * unsolicited event was received.
 335  **/
 336 void
 337 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 338                     struct lpfc_iocbq *ctiocbq)
 339 {
 340         struct lpfc_dmabuf *mp = NULL;
 341         IOCB_t *icmd = &ctiocbq->iocb;
 342         int i;
 343         struct lpfc_iocbq *iocbq;
 344         struct lpfc_iocbq *iocb;
 345         dma_addr_t dma_addr;
 346         uint32_t size;
 347         struct list_head head;
 348         struct lpfc_sli_ct_request *ct_req;
 349         struct lpfc_dmabuf *bdeBuf1 = ctiocbq->cmd_dmabuf;
 350         struct lpfc_dmabuf *bdeBuf2 = ctiocbq->bpl_dmabuf;
 351         u32 status, parameter, bde_count = 0;
 352         struct lpfc_wcqe_complete *wcqe_cmpl = NULL;
 353
 354         ctiocbq->cmd_dmabuf = NULL;
 355         ctiocbq->rsp_dmabuf = NULL;
 356         ctiocbq->bpl_dmabuf = NULL;
 357
 358         wcqe_cmpl = &ctiocbq->wcqe_cmpl;
 359         status = get_job_ulpstatus(phba, ctiocbq);
 360         parameter = get_job_word4(phba, ctiocbq);
 361         if (phba->sli_rev == LPFC_SLI_REV4)
 362                 bde_count = wcqe_cmpl->word3;
 363         else
 364                 bde_count = icmd->ulpBdeCount;
 365
 366         if (unlikely(status == IOSTAT_NEED_BUFFER)) {
 367                 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
 368         } else if ((status == IOSTAT_LOCAL_REJECT) &&
 369                    ((parameter & IOERR_PARAM_MASK) ==
 370                    IOERR_RCV_BUFFER_WAITING)) {
 371                 /* Not enough posted buffers; Try posting more buffers */
 372                 phba->fc_stat.NoRcvBuf++;
 373                 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 374                         lpfc_sli3_post_buffer(phba, pring, 2);
 375                 return;
 376         }
 377
 378         /* If there are no BDEs associated
 379          * with this IOCB, there is nothing to do.
 380          */
 381         if (bde_count == 0)
 382                 return;
 383
 384         ctiocbq->cmd_dmabuf = bdeBuf1;
 385         if (bde_count == 2)
 386                 ctiocbq->bpl_dmabuf = bdeBuf2;
 387
 388         ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
 389
 390         if (ct_req->FsType == SLI_CT_MANAGEMENT_SERVICE &&
 391             ct_req->FsSubType == SLI_CT_MIB_Subtypes) {
 392                 lpfc_ct_handle_mibreq(phba, ctiocbq);
 393         } else {
 394                 if (!lpfc_bsg_ct_unsol_event(phba, pring, ctiocbq))
 395                         return;
 396         }
 397
 398         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 399                 INIT_LIST_HEAD(&head);
 400                 list_add_tail(&head, &ctiocbq->list);
 401                 list_for_each_entry(iocb, &head, list) {
 402                         if (phba->sli_rev == LPFC_SLI_REV4)
 403                                 bde_count = iocb->wcqe_cmpl.word3;
 404                         else
 405                                 bde_count = iocb->iocb.ulpBdeCount;
 406
 407                         if (!bde_count)
 408                                 continue;
 409                         bdeBuf1 = iocb->cmd_dmabuf;
 410                         iocb->cmd_dmabuf = NULL;
 411                         if (phba->sli_rev == LPFC_SLI_REV4)
 412                                 size = iocb->wqe.gen_req.bde.tus.f.bdeSize;
 413                         else
 414                                 size  = iocb->iocb.un.cont64[0].tus.f.bdeSize;
 415                         lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size);
 416                         lpfc_in_buf_free(phba, bdeBuf1);
 417                         if (bde_count == 2) {
 418                                 bdeBuf2 = iocb->bpl_dmabuf;
 419                                 iocb->bpl_dmabuf = NULL;
 420                                 if (phba->sli_rev == LPFC_SLI_REV4)
 421                                         size = iocb->unsol_rcv_len;
 422                                 else
 423                                         size = iocb->iocb.unsli3.rcvsli3.bde2.tus.f.bdeSize;
 424                                 lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2,
 425                                                      size);
 426                                 lpfc_in_buf_free(phba, bdeBuf2);
 427                         }
 428                 }
 429                 list_del(&head);
 430         } else {
 431                 INIT_LIST_HEAD(&head);
 432                 list_add_tail(&head, &ctiocbq->list);
 433                 list_for_each_entry(iocbq, &head, list) {
 434                         icmd = &iocbq->iocb;
 435                         if (icmd->ulpBdeCount == 0)
 436                                 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 437                         for (i = 0; i < icmd->ulpBdeCount; i++) {
 438                                 dma_addr = getPaddr(icmd->un.cont64[i].addrHigh,
 439                                                     icmd->un.cont64[i].addrLow);
 440                                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
 441                                                               dma_addr);
 442                                 size = icmd->un.cont64[i].tus.f.bdeSize;
 443                                 lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 444                                 lpfc_in_buf_free(phba, mp);
 445                         }
 446                         lpfc_sli3_post_buffer(phba, pring, i);
 447                 }
 448                 list_del(&head);
 449         }
 450 }
 451
 452 /**
 453  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
 454  * @phba: Pointer to HBA context object.
 455  * @dmabuf: pointer to a dmabuf that describes the FC sequence
 456  *
 457  * This function serves as the upper level protocol abort handler for CT
 458  * protocol.
 459  *
 460  * Return 1 if abort has been handled, 0 otherwise.
 461  **/
 462 int
 463 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
 464 {
 465         int handled;
 466
 467         /* CT upper level goes through BSG */
 468         handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
 469
 470         return handled;
 471 }
 472
 473 static void
 474 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 475 {
 476         struct lpfc_dmabuf *mlast, *next_mlast;
 477
 478         list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 479                 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 480                 list_del(&mlast->list);
 481                 kfree(mlast);
 482         }
 483         lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 484         kfree(mlist);
 485         return;
 486 }
 487
 488 static struct lpfc_dmabuf *
 489 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 490                   uint32_t size, int *entries)
 491 {
 492         struct lpfc_dmabuf *mlist = NULL;
 493         struct lpfc_dmabuf *mp;
 494         int cnt, i = 0;
 495
 496         /* We get chunks of FCELSSIZE */
 497         cnt = size > FCELSSIZE ? FCELSSIZE: size;
 498
 499         while (size) {
 500                 /* Allocate buffer for rsp payload */
 501                 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 502                 if (!mp) {
 503                         if (mlist)
 504                                 lpfc_free_ct_rsp(phba, mlist);
 505                         return NULL;
 506                 }
 507
 508                 INIT_LIST_HEAD(&mp->list);
 509
 510                 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 511                     cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 512                         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 513                 else
 514                         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 515
 516                 if (!mp->virt) {
 517                         kfree(mp);
 518                         if (mlist)
 519                                 lpfc_free_ct_rsp(phba, mlist);
 520                         return NULL;
 521                 }
 522
 523                 /* Queue it to a linked list */
 524                 if (!mlist)
 525                         mlist = mp;
 526                 else
 527                         list_add_tail(&mp->list, &mlist->list);
 528
 529                 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 530                 /* build buffer ptr list for IOCB */
 531                 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 532                 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 533                 bpl->tus.f.bdeSize = (uint16_t) cnt;
 534                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
 535                 bpl++;
 536
 537                 i++;
 538                 size -= cnt;
 539         }
 540
 541         *entries = i;
 542         return mlist;
 543 }
 544
 545 int
 546 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 547 {
 548         struct lpfc_dmabuf *buf_ptr;
 549
 550         /* IOCBQ job structure gets cleaned during release.  Just release
 551          * the dma buffers here.
 552          */
 553         if (ctiocb->cmd_dmabuf) {
 554                 buf_ptr = ctiocb->cmd_dmabuf;
 555                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 556                 kfree(buf_ptr);
 557                 ctiocb->cmd_dmabuf = NULL;
 558         }
 559         if (ctiocb->rsp_dmabuf) {
 560                 lpfc_free_ct_rsp(phba, ctiocb->rsp_dmabuf);
 561                 ctiocb->rsp_dmabuf = NULL;
 562         }
 563
 564         if (ctiocb->bpl_dmabuf) {
 565                 buf_ptr = ctiocb->bpl_dmabuf;
 566                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 567                 kfree(buf_ptr);
 568                 ctiocb->bpl_dmabuf = 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 event_tag, uint32_t num_entry,
 591              uint32_t tmo, uint8_t retry)
 592 {
 593         struct lpfc_hba  *phba = vport->phba;
 594         struct lpfc_iocbq *geniocb;
 595         int rc;
 596         u16 ulp_context;
 597
 598         /* Allocate buffer for  command iocb */
 599         geniocb = lpfc_sli_get_iocbq(phba);
 600
 601         if (geniocb == NULL)
 602                 return 1;
 603
 604         /* Update the num_entry bde count */
 605         geniocb->num_bdes = num_entry;
 606
 607         geniocb->bpl_dmabuf = bmp;
 608
 609         /* Save for completion so we can release these resources */
 610         geniocb->cmd_dmabuf = inp;
 611         geniocb->rsp_dmabuf = outp;
 612
 613         geniocb->event_tag = event_tag;
 614
 615         if (!tmo) {
 616                  /* FC spec states we need 3 * ratov for CT requests */
 617                 tmo = (3 * phba->fc_ratov);
 618         }
 619
 620         if (phba->sli_rev == LPFC_SLI_REV4)
 621                 ulp_context = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 622         else
 623                 ulp_context = ndlp->nlp_rpi;
 624
 625         lpfc_sli_prep_gen_req(phba, geniocb, bmp, ulp_context, num_entry, tmo);
 626
 627         /* Issue GEN REQ IOCB for NPORT <did> */
 628         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 629                          "0119 Issue GEN REQ IOCB to NPORT x%x "
 630                          "Data: x%x x%x\n",
 631                          ndlp->nlp_DID, geniocb->iotag,
 632                          vport->port_state);
 633         geniocb->cmd_cmpl = cmpl;
 634         geniocb->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
 635         geniocb->vport = vport;
 636         geniocb->retry = retry;
 637         geniocb->ndlp = lpfc_nlp_get(ndlp);
 638         if (!geniocb->ndlp)
 639                 goto out;
 640
 641         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
 642         if (rc == IOCB_ERROR) {
 643                 lpfc_nlp_put(ndlp);
 644                 goto out;
 645         }
 646
 647         return 0;
 648 out:
 649         lpfc_sli_release_iocbq(phba, geniocb);
 650         return 1;
 651 }
 652
 653 /*
 654  * lpfc_ct_cmd - Build and issue a CT command
 655  * @vport: pointer to a host virtual N_Port data structure.
 656  * @inmp: Pointer to data buffer for response data.
 657  * @bmp: Pointer to BPL for SLI command
 658  * @ndlp: Destination NPort nodelist entry
 659  * @cmpl: completion routine to call when command completes
 660  *
 661  * This function is called for issuing a CT command.
 662  */
 663 static int
 664 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 665             struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 666             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 667                           struct lpfc_iocbq *),
 668             uint32_t rsp_size, uint8_t retry)
 669 {
 670         struct lpfc_hba  *phba = vport->phba;
 671         struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 672         struct lpfc_dmabuf *outmp;
 673         int cnt = 0, status;
 674         int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 675                 CommandResponse.bits.CmdRsp;
 676
 677         bpl++;                  /* Skip past ct request */
 678
 679         /* Put buffer(s) for ct rsp in bpl */
 680         outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 681         if (!outmp)
 682                 return -ENOMEM;
 683         /*
 684          * Form the CT IOCB.  The total number of BDEs in this IOCB
 685          * is the single command plus response count from
 686          * lpfc_alloc_ct_rsp.
 687          */
 688         cnt += 1;
 689         status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp,
 690                         phba->fc_eventTag, cnt, 0, retry);
 691         if (status) {
 692                 lpfc_free_ct_rsp(phba, outmp);
 693                 return -ENOMEM;
 694         }
 695         return 0;
 696 }
 697
 698 struct lpfc_vport *
 699 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 700         struct lpfc_vport *vport_curr;
 701         unsigned long flags;
 702
 703         spin_lock_irqsave(&phba->port_list_lock, flags);
 704         list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 705                 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 706                         spin_unlock_irqrestore(&phba->port_list_lock, flags);
 707                         return vport_curr;
 708                 }
 709         }
 710         spin_unlock_irqrestore(&phba->port_list_lock, flags);
 711         return NULL;
 712 }
 713
 714 static void
 715 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 716 {
 717         struct lpfc_nodelist *ndlp;
 718
 719         if ((vport->port_type != LPFC_NPIV_PORT) ||
 720             !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
 721
 722                 ndlp = lpfc_setup_disc_node(vport, Did);
 723
 724                 if (ndlp) {
 725                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 726                                 "Parse GID_FTrsp: did:x%x flg:x%x x%x",
 727                                 Did, ndlp->nlp_flag, vport->fc_flag);
 728
 729                         /* By default, the driver expects to support FCP FC4 */
 730                         if (fc4_type == FC_TYPE_FCP)
 731                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 732
 733                         if (fc4_type == FC_TYPE_NVME)
 734                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 735
 736                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 737                                          "0238 Process x%06x NameServer Rsp "
 738                                          "Data: x%x x%x x%x x%x x%x\n", Did,
 739                                          ndlp->nlp_flag, ndlp->nlp_fc4_type,
 740                                          ndlp->nlp_state, vport->fc_flag,
 741                                          vport->fc_rscn_id_cnt);
 742
 743                         /* if ndlp needs to be discovered and prior
 744                          * state of ndlp hit devloss, change state to
 745                          * allow rediscovery.
 746                          */
 747                         if (ndlp->nlp_flag & NLP_NPR_2B_DISC &&
 748                             ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
 749                                 lpfc_nlp_set_state(vport, ndlp,
 750                                                    NLP_STE_NPR_NODE);
 751                         }
 752                 } else {
 753                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 754                                 "Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 755                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 756
 757                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 758                                          "0239 Skip x%06x NameServer Rsp "
 759                                          "Data: x%x x%x x%px\n",
 760                                          Did, vport->fc_flag,
 761                                          vport->fc_rscn_id_cnt, ndlp);
 762                 }
 763         } else {
 764                 if (!(vport->fc_flag & FC_RSCN_MODE) ||
 765                     lpfc_rscn_payload_check(vport, Did)) {
 766                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 767                                 "Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
 768                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 769
 770                         /*
 771                          * This NPortID was previously a FCP/NVMe target,
 772                          * Don't even bother to send GFF_ID.
 773                          */
 774                         ndlp = lpfc_findnode_did(vport, Did);
 775                         if (ndlp &&
 776                             (ndlp->nlp_type &
 777                             (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
 778                                 if (fc4_type == FC_TYPE_FCP)
 779                                         ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 780                                 if (fc4_type == FC_TYPE_NVME)
 781                                         ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 782                                 lpfc_setup_disc_node(vport, Did);
 783                         } else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 784                                    0, Did) == 0)
 785                                 vport->num_disc_nodes++;
 786                         else
 787                                 lpfc_setup_disc_node(vport, Did);
 788                 } else {
 789                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 790                                 "Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 791                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 792
 793                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 794                                          "0245 Skip x%06x NameServer Rsp "
 795                                          "Data: x%x x%x\n", Did,
 796                                          vport->fc_flag,
 797                                          vport->fc_rscn_id_cnt);
 798                 }
 799         }
 800 }
 801
 802 static void
 803 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 804 {
 805         struct lpfc_hba *phba = vport->phba;
 806         struct lpfc_nodelist *ndlp = NULL;
 807         char *str;
 808
 809         if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
 810                 str = "GID_FT";
 811         else
 812                 str = "GID_PT";
 813         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 814                          "6430 Process %s rsp for %08x type %x %s %s\n",
 815                          str, Did, fc4_type,
 816                          (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
 817                          (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
 818         /*
 819          * To conserve rpi's, filter out addresses for other
 820          * vports on the same physical HBAs.
 821          */
 822         if (Did != vport->fc_myDID &&
 823             (!lpfc_find_vport_by_did(phba, Did) ||
 824              vport->cfg_peer_port_login)) {
 825                 if (!phba->nvmet_support) {
 826                         /* FCPI/NVMEI path. Process Did */
 827                         lpfc_prep_node_fc4type(vport, Did, fc4_type);
 828                         return;
 829                 }
 830                 /* NVMET path.  NVMET only cares about NVMEI nodes. */
 831                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 832                         if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
 833                             ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
 834                                 continue;
 835                         spin_lock_irq(&ndlp->lock);
 836                         if (ndlp->nlp_DID == Did)
 837                                 ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 838                         else
 839                                 ndlp->nlp_flag |= NLP_NVMET_RECOV;
 840                         spin_unlock_irq(&ndlp->lock);
 841                 }
 842         }
 843 }
 844
 845 static int
 846 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
 847             uint32_t Size)
 848 {
 849         struct lpfc_sli_ct_request *Response =
 850                 (struct lpfc_sli_ct_request *) mp->virt;
 851         struct lpfc_dmabuf *mlast, *next_mp;
 852         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 853         uint32_t Did, CTentry;
 854         int Cnt;
 855         struct list_head head;
 856         struct lpfc_nodelist *ndlp = NULL;
 857
 858         lpfc_set_disctmo(vport);
 859         vport->num_disc_nodes = 0;
 860         vport->fc_ns_retry = 0;
 861
 862
 863         list_add_tail(&head, &mp->list);
 864         list_for_each_entry_safe(mp, next_mp, &head, list) {
 865                 mlast = mp;
 866
 867                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 868
 869                 Size -= Cnt;
 870
 871                 if (!ctptr) {
 872                         ctptr = (uint32_t *) mlast->virt;
 873                 } else
 874                         Cnt -= 16;      /* subtract length of CT header */
 875
 876                 /* Loop through entire NameServer list of DIDs */
 877                 while (Cnt >= sizeof(uint32_t)) {
 878                         /* Get next DID from NameServer List */
 879                         CTentry = *ctptr++;
 880                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 881                         lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
 882                         if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
 883                                 goto nsout1;
 884
 885                         Cnt -= sizeof(uint32_t);
 886                 }
 887                 ctptr = NULL;
 888
 889         }
 890
 891         /* All GID_FT entries processed.  If the driver is running in
 892          * in target mode, put impacted nodes into recovery and drop
 893          * the RPI to flush outstanding IO.
 894          */
 895         if (vport->phba->nvmet_support) {
 896                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 897                         if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
 898                                 continue;
 899                         lpfc_disc_state_machine(vport, ndlp, NULL,
 900                                                 NLP_EVT_DEVICE_RECOVERY);
 901                         spin_lock_irq(&ndlp->lock);
 902                         ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 903                         spin_unlock_irq(&ndlp->lock);
 904                 }
 905         }
 906
 907 nsout1:
 908         list_del(&head);
 909         return 0;
 910 }
 911
 912 static void
 913 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 914                         struct lpfc_iocbq *rspiocb)
 915 {
 916         struct lpfc_vport *vport = cmdiocb->vport;
 917         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 918         struct lpfc_dmabuf *outp;
 919         struct lpfc_dmabuf *inp;
 920         struct lpfc_sli_ct_request *CTrsp;
 921         struct lpfc_sli_ct_request *CTreq;
 922         struct lpfc_nodelist *ndlp;
 923         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
 924         u32 ulp_word4 = get_job_word4(phba, rspiocb);
 925         int rc, type;
 926
 927         /* First save ndlp, before we overwrite it */
 928         ndlp = cmdiocb->ndlp;
 929
 930         /* we pass cmdiocb to state machine which needs rspiocb as well */
 931         cmdiocb->rsp_iocb = rspiocb;
 932         inp = cmdiocb->cmd_dmabuf;
 933         outp = cmdiocb->rsp_dmabuf;
 934
 935         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 936                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 937                 ulp_status, ulp_word4, vport->fc_ns_retry);
 938
 939         /* Ignore response if link flipped after this request was made */
 940         if (cmdiocb->event_tag != phba->fc_eventTag) {
 941                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 942                                  "9043 Event tag mismatch. Ignoring NS rsp\n");
 943                 goto out;
 944         }
 945
 946         /* Don't bother processing response if vport is being torn down. */
 947         if (vport->load_flag & FC_UNLOADING) {
 948                 if (vport->fc_flag & FC_RSCN_MODE)
 949                         lpfc_els_flush_rscn(vport);
 950                 goto out;
 951         }
 952
 953         if (lpfc_els_chk_latt(vport)) {
 954                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 955                                  "0216 Link event during NS query\n");
 956                 if (vport->fc_flag & FC_RSCN_MODE)
 957                         lpfc_els_flush_rscn(vport);
 958                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 959                 goto out;
 960         }
 961         if (lpfc_error_lost_link(ulp_status, ulp_word4)) {
 962                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 963                                  "0226 NS query failed due to link event: "
 964                                  "ulp_status x%x ulp_word4 x%x fc_flag x%x "
 965                                  "port_state x%x gidft_inp x%x\n",
 966                                  ulp_status, ulp_word4, vport->fc_flag,
 967                                  vport->port_state, vport->gidft_inp);
 968                 if (vport->fc_flag & FC_RSCN_MODE)
 969                         lpfc_els_flush_rscn(vport);
 970                 if (vport->gidft_inp)
 971                         vport->gidft_inp--;
 972                 goto out;
 973         }
 974
 975         spin_lock_irq(shost->host_lock);
 976         if (vport->fc_flag & FC_RSCN_DEFERRED) {
 977                 vport->fc_flag &= ~FC_RSCN_DEFERRED;
 978                 spin_unlock_irq(shost->host_lock);
 979
 980                 /* This is a GID_FT completing so the gidft_inp counter was
 981                  * incremented before the GID_FT was issued to the wire.
 982                  */
 983                 if (vport->gidft_inp)
 984                         vport->gidft_inp--;
 985
 986                 /*
 987                  * Skip processing the NS response
 988                  * Re-issue the NS cmd
 989                  */
 990                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 991                                  "0151 Process Deferred RSCN Data: x%x x%x\n",
 992                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 993                 lpfc_els_handle_rscn(vport);
 994
 995                 goto out;
 996         }
 997         spin_unlock_irq(shost->host_lock);
 998
 999         if (ulp_status) {
1000                 /* Check for retry */
1001                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1002                         if (ulp_status != IOSTAT_LOCAL_REJECT ||
1003                             (ulp_word4 & IOERR_PARAM_MASK) !=
1004                             IOERR_NO_RESOURCES)
1005                                 vport->fc_ns_retry++;
1006
1007                         type = lpfc_get_gidft_type(vport, cmdiocb);
1008                         if (type == 0)
1009                                 goto out;
1010
1011                         /* CT command is being retried */
1012                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
1013                                          vport->fc_ns_retry, type);
1014                         if (rc == 0)
1015                                 goto out;
1016                         else { /* Unable to send NS cmd */
1017                                 if (vport->gidft_inp)
1018                                         vport->gidft_inp--;
1019                         }
1020                 }
1021                 if (vport->fc_flag & FC_RSCN_MODE)
1022                         lpfc_els_flush_rscn(vport);
1023                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1024                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1025                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
1026                                  ulp_status, vport->fc_ns_retry);
1027         } else {
1028                 /* Good status, continue checking */
1029                 CTreq = (struct lpfc_sli_ct_request *) inp->virt;
1030                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1031                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1032                     cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1033                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1034                                          "0208 NameServer Rsp Data: x%x x%x "
1035                                          "x%x x%x sz x%x\n",
1036                                          vport->fc_flag,
1037                                          CTreq->un.gid.Fc4Type,
1038                                          vport->num_disc_nodes,
1039                                          vport->gidft_inp,
1040                                          get_job_data_placed(phba, rspiocb));
1041
1042                         lpfc_ns_rsp(vport,
1043                                     outp,
1044                                     CTreq->un.gid.Fc4Type,
1045                                     get_job_data_placed(phba, rspiocb));
1046                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
1047                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1048                         /* NameServer Rsp Error */
1049                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1050                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1051                                 lpfc_printf_vlog(vport, KERN_INFO,
1052                                         LOG_DISCOVERY,
1053                                         "0269 No NameServer Entries "
1054                                         "Data: x%x x%x x%x x%x\n",
1055                                         CTrsp->CommandResponse.bits.CmdRsp,
1056                                         (uint32_t) CTrsp->ReasonCode,
1057                                         (uint32_t) CTrsp->Explanation,
1058                                         vport->fc_flag);
1059
1060                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1061                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
1062                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1063                                 (uint32_t) CTrsp->ReasonCode,
1064                                 (uint32_t) CTrsp->Explanation);
1065                         } else {
1066                                 lpfc_printf_vlog(vport, KERN_INFO,
1067                                         LOG_DISCOVERY,
1068                                         "0240 NameServer Rsp Error "
1069                                         "Data: x%x x%x x%x x%x\n",
1070                                         CTrsp->CommandResponse.bits.CmdRsp,
1071                                         (uint32_t) CTrsp->ReasonCode,
1072                                         (uint32_t) CTrsp->Explanation,
1073                                         vport->fc_flag);
1074
1075                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1076                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1077                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1078                                 (uint32_t) CTrsp->ReasonCode,
1079                                 (uint32_t) CTrsp->Explanation);
1080                         }
1081
1082
1083                 } else {
1084                         /* NameServer Rsp Error */
1085                         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1086                                         "0241 NameServer Rsp Error "
1087                                         "Data: x%x x%x x%x x%x\n",
1088                                         CTrsp->CommandResponse.bits.CmdRsp,
1089                                         (uint32_t) CTrsp->ReasonCode,
1090                                         (uint32_t) CTrsp->Explanation,
1091                                         vport->fc_flag);
1092
1093                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1094                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1095                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1096                                 (uint32_t) CTrsp->ReasonCode,
1097                                 (uint32_t) CTrsp->Explanation);
1098                 }
1099                 if (vport->gidft_inp)
1100                         vport->gidft_inp--;
1101         }
1102
1103         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1104                          "4216 GID_FT cmpl inp %d disc %d\n",
1105                          vport->gidft_inp, vport->num_disc_nodes);
1106
1107         /* Link up / RSCN discovery */
1108         if ((vport->num_disc_nodes == 0) &&
1109             (vport->gidft_inp == 0)) {
1110                 /*
1111                  * The driver has cycled through all Nports in the RSCN payload.
1112                  * Complete the handling by cleaning up and marking the
1113                  * current driver state.
1114                  */
1115                 if (vport->port_state >= LPFC_DISC_AUTH) {
1116                         if (vport->fc_flag & FC_RSCN_MODE) {
1117                                 lpfc_els_flush_rscn(vport);
1118                                 spin_lock_irq(shost->host_lock);
1119                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1120                                 spin_unlock_irq(shost->host_lock);
1121                         }
1122                         else
1123                                 lpfc_els_flush_rscn(vport);
1124                 }
1125
1126                 lpfc_disc_start(vport);
1127         }
1128 out:
1129         lpfc_ct_free_iocb(phba, cmdiocb);
1130         lpfc_nlp_put(ndlp);
1131         return;
1132 }
1133
1134 static void
1135 lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1136                         struct lpfc_iocbq *rspiocb)
1137 {
1138         struct lpfc_vport *vport = cmdiocb->vport;
1139         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1140         struct lpfc_dmabuf *outp;
1141         struct lpfc_dmabuf *inp;
1142         struct lpfc_sli_ct_request *CTrsp;
1143         struct lpfc_sli_ct_request *CTreq;
1144         struct lpfc_nodelist *ndlp;
1145         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1146         u32 ulp_word4 = get_job_word4(phba, rspiocb);
1147         int rc;
1148
1149         /* First save ndlp, before we overwrite it */
1150         ndlp = cmdiocb->ndlp;
1151
1152         /* we pass cmdiocb to state machine which needs rspiocb as well */
1153         cmdiocb->rsp_iocb = rspiocb;
1154         inp = cmdiocb->cmd_dmabuf;
1155         outp = cmdiocb->rsp_dmabuf;
1156
1157         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1158                               "GID_PT cmpl:     status:x%x/x%x rtry:%d",
1159                               ulp_status, ulp_word4,
1160                               vport->fc_ns_retry);
1161
1162         /* Ignore response if link flipped after this request was made */
1163         if (cmdiocb->event_tag != phba->fc_eventTag) {
1164                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1165                                  "9044 Event tag mismatch. Ignoring NS rsp\n");
1166                 goto out;
1167         }
1168
1169         /* Don't bother processing response if vport is being torn down. */
1170         if (vport->load_flag & FC_UNLOADING) {
1171                 if (vport->fc_flag & FC_RSCN_MODE)
1172                         lpfc_els_flush_rscn(vport);
1173                 goto out;
1174         }
1175
1176         if (lpfc_els_chk_latt(vport)) {
1177                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1178                                  "4108 Link event during NS query\n");
1179                 if (vport->fc_flag & FC_RSCN_MODE)
1180                         lpfc_els_flush_rscn(vport);
1181                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1182                 goto out;
1183         }
1184         if (lpfc_error_lost_link(ulp_status, ulp_word4)) {
1185                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1186                                  "4166 NS query failed due to link event: "
1187                                  "ulp_status x%x ulp_word4 x%x fc_flag x%x "
1188                                  "port_state x%x gidft_inp x%x\n",
1189                                  ulp_status, ulp_word4, vport->fc_flag,
1190                                  vport->port_state, vport->gidft_inp);
1191                 if (vport->fc_flag & FC_RSCN_MODE)
1192                         lpfc_els_flush_rscn(vport);
1193                 if (vport->gidft_inp)
1194                         vport->gidft_inp--;
1195                 goto out;
1196         }
1197
1198         spin_lock_irq(shost->host_lock);
1199         if (vport->fc_flag & FC_RSCN_DEFERRED) {
1200                 vport->fc_flag &= ~FC_RSCN_DEFERRED;
1201                 spin_unlock_irq(shost->host_lock);
1202
1203                 /* This is a GID_PT completing so the gidft_inp counter was
1204                  * incremented before the GID_PT was issued to the wire.
1205                  */
1206                 if (vport->gidft_inp)
1207                         vport->gidft_inp--;
1208
1209                 /*
1210                  * Skip processing the NS response
1211                  * Re-issue the NS cmd
1212                  */
1213                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
1214                                  "4167 Process Deferred RSCN Data: x%x x%x\n",
1215                                  vport->fc_flag, vport->fc_rscn_id_cnt);
1216                 lpfc_els_handle_rscn(vport);
1217
1218                 goto out;
1219         }
1220         spin_unlock_irq(shost->host_lock);
1221
1222         if (ulp_status) {
1223                 /* Check for retry */
1224                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1225                         if (ulp_status != IOSTAT_LOCAL_REJECT ||
1226                             (ulp_word4 & IOERR_PARAM_MASK) !=
1227                             IOERR_NO_RESOURCES)
1228                                 vport->fc_ns_retry++;
1229
1230                         /* CT command is being retried */
1231                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
1232                                          vport->fc_ns_retry, GID_PT_N_PORT);
1233                         if (rc == 0)
1234                                 goto out;
1235                         else { /* Unable to send NS cmd */
1236                                 if (vport->gidft_inp)
1237                                         vport->gidft_inp--;
1238                         }
1239                 }
1240                 if (vport->fc_flag & FC_RSCN_MODE)
1241                         lpfc_els_flush_rscn(vport);
1242                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1243                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1244                                  "4103 GID_FT Query error: 0x%x 0x%x\n",
1245                                  ulp_status, vport->fc_ns_retry);
1246         } else {
1247                 /* Good status, continue checking */
1248                 CTreq = (struct lpfc_sli_ct_request *)inp->virt;
1249                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1250                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1251                     cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1252                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1253                                          "4105 NameServer Rsp Data: x%x x%x "
1254                                          "x%x x%x sz x%x\n",
1255                                          vport->fc_flag,
1256                                          CTreq->un.gid.Fc4Type,
1257                                          vport->num_disc_nodes,
1258                                          vport->gidft_inp,
1259                                          get_job_data_placed(phba, rspiocb));
1260
1261                         lpfc_ns_rsp(vport,
1262                                     outp,
1263                                     CTreq->un.gid.Fc4Type,
1264                                     get_job_data_placed(phba, rspiocb));
1265                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
1266                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1267                         /* NameServer Rsp Error */
1268                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1269                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1270                                 lpfc_printf_vlog(
1271                                         vport, KERN_INFO, LOG_DISCOVERY,
1272                                         "4106 No NameServer Entries "
1273                                         "Data: x%x x%x x%x x%x\n",
1274                                         CTrsp->CommandResponse.bits.CmdRsp,
1275                                         (uint32_t)CTrsp->ReasonCode,
1276                                         (uint32_t)CTrsp->Explanation,
1277                                         vport->fc_flag);
1278
1279                                 lpfc_debugfs_disc_trc(
1280                                 vport, LPFC_DISC_TRC_CT,
1281                                 "GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
1282                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1283                                 (uint32_t)CTrsp->ReasonCode,
1284                                 (uint32_t)CTrsp->Explanation);
1285                         } else {
1286                                 lpfc_printf_vlog(
1287                                         vport, KERN_INFO, LOG_DISCOVERY,
1288                                         "4107 NameServer Rsp Error "
1289                                         "Data: x%x x%x x%x x%x\n",
1290                                         CTrsp->CommandResponse.bits.CmdRsp,
1291                                         (uint32_t)CTrsp->ReasonCode,
1292                                         (uint32_t)CTrsp->Explanation,
1293                                         vport->fc_flag);
1294
1295                                 lpfc_debugfs_disc_trc(
1296                                 vport, LPFC_DISC_TRC_CT,
1297                                 "GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1298                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1299                                 (uint32_t)CTrsp->ReasonCode,
1300                                 (uint32_t)CTrsp->Explanation);
1301                         }
1302                 } else {
1303                         /* NameServer Rsp Error */
1304                         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1305                                          "4109 NameServer Rsp Error "
1306                                          "Data: x%x x%x x%x x%x\n",
1307                                          CTrsp->CommandResponse.bits.CmdRsp,
1308                                          (uint32_t)CTrsp->ReasonCode,
1309                                          (uint32_t)CTrsp->Explanation,
1310                                          vport->fc_flag);
1311
1312                         lpfc_debugfs_disc_trc(
1313                                 vport, LPFC_DISC_TRC_CT,
1314                                 "GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1315                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1316                                 (uint32_t)CTrsp->ReasonCode,
1317                                 (uint32_t)CTrsp->Explanation);
1318                 }
1319                 if (vport->gidft_inp)
1320                         vport->gidft_inp--;
1321         }
1322
1323         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1324                          "6450 GID_PT cmpl inp %d disc %d\n",
1325                          vport->gidft_inp, vport->num_disc_nodes);
1326
1327         /* Link up / RSCN discovery */
1328         if ((vport->num_disc_nodes == 0) &&
1329             (vport->gidft_inp == 0)) {
1330                 /*
1331                  * The driver has cycled through all Nports in the RSCN payload.
1332                  * Complete the handling by cleaning up and marking the
1333                  * current driver state.
1334                  */
1335                 if (vport->port_state >= LPFC_DISC_AUTH) {
1336                         if (vport->fc_flag & FC_RSCN_MODE) {
1337                                 lpfc_els_flush_rscn(vport);
1338                                 spin_lock_irq(shost->host_lock);
1339                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1340                                 spin_unlock_irq(shost->host_lock);
1341                         } else {
1342                                 lpfc_els_flush_rscn(vport);
1343                         }
1344                 }
1345
1346                 lpfc_disc_start(vport);
1347         }
1348 out:
1349         lpfc_ct_free_iocb(phba, cmdiocb);
1350         lpfc_nlp_put(ndlp);
1351 }
1352
1353 static void
1354 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1355                         struct lpfc_iocbq *rspiocb)
1356 {
1357         struct lpfc_vport *vport = cmdiocb->vport;
1358         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1359         struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1360         struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1361         struct lpfc_sli_ct_request *CTrsp;
1362         int did, rc, retry;
1363         uint8_t fbits;
1364         struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL;
1365         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1366         u32 ulp_word4 = get_job_word4(phba, rspiocb);
1367
1368         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1369         did = be32_to_cpu(did);
1370
1371         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1372                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
1373                 ulp_status, ulp_word4, did);
1374
1375         /* Ignore response if link flipped after this request was made */
1376         if (cmdiocb->event_tag != phba->fc_eventTag) {
1377                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1378                                  "9045 Event tag mismatch. Ignoring NS rsp\n");
1379                 goto iocb_free;
1380         }
1381
1382         if (ulp_status == IOSTAT_SUCCESS) {
1383                 /* Good status, continue checking */
1384                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1385                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1386
1387                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1388                                  "6431 Process GFF_ID rsp for %08x "
1389                                  "fbits %02x %s %s\n",
1390                                  did, fbits,
1391                                  (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1392                                  (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1393
1394                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1395                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
1396                         if ((fbits & FC4_FEATURE_INIT) &&
1397                             !(fbits & FC4_FEATURE_TARGET)) {
1398                                 lpfc_printf_vlog(vport, KERN_INFO,
1399                                                  LOG_DISCOVERY,
1400                                                  "0270 Skip x%x GFF "
1401                                                  "NameServer Rsp Data: (init) "
1402                                                  "x%x x%x\n", did, fbits,
1403                                                  vport->fc_rscn_id_cnt);
1404                                 goto out;
1405                         }
1406                 }
1407         }
1408         else {
1409                 /* Check for retry */
1410                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1411                         retry = 1;
1412                         if (ulp_status == IOSTAT_LOCAL_REJECT) {
1413                                 switch ((ulp_word4 &
1414                                         IOERR_PARAM_MASK)) {
1415
1416                                 case IOERR_NO_RESOURCES:
1417                                         /* We don't increment the retry
1418                                          * count for this case.
1419                                          */
1420                                         break;
1421                                 case IOERR_LINK_DOWN:
1422                                 case IOERR_SLI_ABORTED:
1423                                 case IOERR_SLI_DOWN:
1424                                         retry = 0;
1425                                         break;
1426                                 default:
1427                                         cmdiocb->retry++;
1428                                 }
1429                         }
1430                         else
1431                                 cmdiocb->retry++;
1432
1433                         if (retry) {
1434                                 /* CT command is being retried */
1435                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1436                                          cmdiocb->retry, did);
1437                                 if (rc == 0) {
1438                                         /* success */
1439                                         free_ndlp = cmdiocb->ndlp;
1440                                         lpfc_ct_free_iocb(phba, cmdiocb);
1441                                         lpfc_nlp_put(free_ndlp);
1442                                         return;
1443                                 }
1444                         }
1445                 }
1446                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1447                                  "0267 NameServer GFF Rsp "
1448                                  "x%x Error (%d %d) Data: x%x x%x\n",
1449                                  did, ulp_status, ulp_word4,
1450                                  vport->fc_flag, vport->fc_rscn_id_cnt);
1451         }
1452
1453         /* This is a target port, unregistered port, or the GFF_ID failed */
1454         ndlp = lpfc_setup_disc_node(vport, did);
1455         if (ndlp) {
1456                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1457                                  "0242 Process x%x GFF "
1458                                  "NameServer Rsp Data: x%x x%x x%x\n",
1459                                  did, ndlp->nlp_flag, vport->fc_flag,
1460                                  vport->fc_rscn_id_cnt);
1461         } else {
1462                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1463                                  "0243 Skip x%x GFF "
1464                                  "NameServer Rsp Data: x%x x%x\n", did,
1465                                  vport->fc_flag, vport->fc_rscn_id_cnt);
1466         }
1467 out:
1468         /* Link up / RSCN discovery */
1469         if (vport->num_disc_nodes)
1470                 vport->num_disc_nodes--;
1471
1472         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1473                          "6451 GFF_ID cmpl inp %d disc %d\n",
1474                          vport->gidft_inp, vport->num_disc_nodes);
1475
1476         if (vport->num_disc_nodes == 0) {
1477                 /*
1478                  * The driver has cycled through all Nports in the RSCN payload.
1479                  * Complete the handling by cleaning up and marking the
1480                  * current driver state.
1481                  */
1482                 if (vport->port_state >= LPFC_DISC_AUTH) {
1483                         if (vport->fc_flag & FC_RSCN_MODE) {
1484                                 lpfc_els_flush_rscn(vport);
1485                                 spin_lock_irq(shost->host_lock);
1486                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1487                                 spin_unlock_irq(shost->host_lock);
1488                         }
1489                         else
1490                                 lpfc_els_flush_rscn(vport);
1491                 }
1492                 lpfc_disc_start(vport);
1493         }
1494
1495 iocb_free:
1496         free_ndlp = cmdiocb->ndlp;
1497         lpfc_ct_free_iocb(phba, cmdiocb);
1498         lpfc_nlp_put(free_ndlp);
1499         return;
1500 }
1501
1502 static void
1503 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1504                         struct lpfc_iocbq *rspiocb)
1505 {
1506         struct lpfc_vport *vport = cmdiocb->vport;
1507         struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1508         struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1509         struct lpfc_sli_ct_request *CTrsp;
1510         int did;
1511         struct lpfc_nodelist *ndlp = NULL;
1512         struct lpfc_nodelist *ns_ndlp = NULL;
1513         uint32_t fc4_data_0, fc4_data_1;
1514         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1515         u32 ulp_word4 = get_job_word4(phba, rspiocb);
1516
1517         did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1518         did = be32_to_cpu(did);
1519
1520         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1521                               "GFT_ID cmpl: status:x%x/x%x did:x%x",
1522                               ulp_status, ulp_word4, did);
1523
1524         /* Ignore response if link flipped after this request was made */
1525         if ((uint32_t) cmdiocb->event_tag != phba->fc_eventTag) {
1526                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1527                                  "9046 Event tag mismatch. Ignoring NS rsp\n");
1528                 goto out;
1529         }
1530
1531         /* Preserve the nameserver node to release the reference. */
1532         ns_ndlp = cmdiocb->ndlp;
1533
1534         if (ulp_status == IOSTAT_SUCCESS) {
1535                 /* Good status, continue checking */
1536                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1537                 fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1538                 fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1539
1540                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1541                                  "6432 Process GFT_ID rsp for %08x "
1542                                  "Data %08x %08x %s %s\n",
1543                                  did, fc4_data_0, fc4_data_1,
1544                                  (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1545                                   "FCP" : " ",
1546                                  (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1547                                   "NVME" : " ");
1548
1549                 /* Lookup the NPort_ID queried in the GFT_ID and find the
1550                  * driver's local node.  It's an error if the driver
1551                  * doesn't have one.
1552                  */
1553                 ndlp = lpfc_findnode_did(vport, did);
1554                 if (ndlp) {
1555                         /* The bitmask value for FCP and NVME FCP types is
1556                          * the same because they are 32 bits distant from
1557                          * each other in word0 and word0.
1558                          */
1559                         if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1560                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1561                         if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1562                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1563                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1564                                          "3064 Setting ndlp x%px, DID x%06x "
1565                                          "with FC4 x%08x, Data: x%08x x%08x "
1566                                          "%d\n",
1567                                          ndlp, did, ndlp->nlp_fc4_type,
1568                                          FC_TYPE_FCP, FC_TYPE_NVME,
1569                                          ndlp->nlp_state);
1570
1571                         if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1572                             ndlp->nlp_fc4_type) {
1573                                 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1574
1575                                 lpfc_nlp_set_state(vport, ndlp,
1576                                                    NLP_STE_PRLI_ISSUE);
1577                                 lpfc_issue_els_prli(vport, ndlp, 0);
1578                         } else if (!ndlp->nlp_fc4_type) {
1579                                 /* If fc4 type is still unknown, then LOGO */
1580                                 lpfc_printf_vlog(vport, KERN_INFO,
1581                                                  LOG_DISCOVERY,
1582                                                  "6443 Sending LOGO ndlp x%px,"
1583                                                  "DID x%06x with fc4_type: "
1584                                                  "x%08x, state: %d\n",
1585                                                  ndlp, did, ndlp->nlp_fc4_type,
1586                                                  ndlp->nlp_state);
1587                                 lpfc_issue_els_logo(vport, ndlp, 0);
1588                                 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1589                                 lpfc_nlp_set_state(vport, ndlp,
1590                                                    NLP_STE_NPR_NODE);
1591                         }
1592                 }
1593         } else
1594                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1595                                  "3065 GFT_ID failed x%08x\n", ulp_status);
1596
1597 out:
1598         lpfc_ct_free_iocb(phba, cmdiocb);
1599         lpfc_nlp_put(ns_ndlp);
1600 }
1601
1602 static void
1603 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1604              struct lpfc_iocbq *rspiocb)
1605 {
1606         struct lpfc_vport *vport = cmdiocb->vport;
1607         struct lpfc_dmabuf *inp;
1608         struct lpfc_dmabuf *outp;
1609         struct lpfc_sli_ct_request *CTrsp;
1610         struct lpfc_nodelist *ndlp;
1611         int cmdcode, rc;
1612         uint8_t retry;
1613         uint32_t latt;
1614         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1615         u32 ulp_word4 = get_job_word4(phba, rspiocb);
1616
1617         /* First save ndlp, before we overwrite it */
1618         ndlp = cmdiocb->ndlp;
1619
1620         /* we pass cmdiocb to state machine which needs rspiocb as well */
1621         cmdiocb->rsp_iocb = rspiocb;
1622
1623         inp = cmdiocb->cmd_dmabuf;
1624         outp = cmdiocb->rsp_dmabuf;
1625
1626         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1627                                         CommandResponse.bits.CmdRsp);
1628         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1629
1630         latt = lpfc_els_chk_latt(vport);
1631
1632         /* RFT request completes status <ulp_status> CmdRsp <CmdRsp> */
1633         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1634                          "0209 CT Request completes, latt %d, "
1635                          "ulp_status x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1636                          latt, ulp_status,
1637                          CTrsp->CommandResponse.bits.CmdRsp,
1638                          get_job_ulpcontext(phba, cmdiocb), cmdiocb->iotag);
1639
1640         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1641                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1642                 ulp_status, ulp_word4, cmdcode);
1643
1644         if (ulp_status) {
1645                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1646                                  "0268 NS cmd x%x Error (x%x x%x)\n",
1647                                  cmdcode, ulp_status, ulp_word4);
1648
1649                 if (ulp_status == IOSTAT_LOCAL_REJECT &&
1650                     (((ulp_word4 & IOERR_PARAM_MASK) ==
1651                       IOERR_SLI_DOWN) ||
1652                      ((ulp_word4 & IOERR_PARAM_MASK) ==
1653                       IOERR_SLI_ABORTED)))
1654                         goto out;
1655
1656                 retry = cmdiocb->retry;
1657                 if (retry >= LPFC_MAX_NS_RETRY)
1658                         goto out;
1659
1660                 retry++;
1661                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1662                                  "0250 Retrying NS cmd %x\n", cmdcode);
1663                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1664                 if (rc == 0)
1665                         goto out;
1666         }
1667
1668 out:
1669         lpfc_ct_free_iocb(phba, cmdiocb);
1670         lpfc_nlp_put(ndlp);
1671         return;
1672 }
1673
1674 static void
1675 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1676                         struct lpfc_iocbq *rspiocb)
1677 {
1678         struct lpfc_vport *vport = cmdiocb->vport;
1679         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1680
1681         if (ulp_status == IOSTAT_SUCCESS) {
1682                 struct lpfc_dmabuf *outp;
1683                 struct lpfc_sli_ct_request *CTrsp;
1684
1685                 outp = cmdiocb->rsp_dmabuf;
1686                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1687                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1688                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1689                         vport->ct_flags |= FC_CT_RFT_ID;
1690         }
1691         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1692         return;
1693 }
1694
1695 static void
1696 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1697                         struct lpfc_iocbq *rspiocb)
1698 {
1699         struct lpfc_vport *vport = cmdiocb->vport;
1700         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1701
1702         if (ulp_status == IOSTAT_SUCCESS) {
1703                 struct lpfc_dmabuf *outp;
1704                 struct lpfc_sli_ct_request *CTrsp;
1705
1706                 outp = cmdiocb->rsp_dmabuf;
1707                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1708                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1709                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1710                         vport->ct_flags |= FC_CT_RNN_ID;
1711         }
1712         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1713         return;
1714 }
1715
1716 static void
1717 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1718                          struct lpfc_iocbq *rspiocb)
1719 {
1720         struct lpfc_vport *vport = cmdiocb->vport;
1721         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1722
1723         if (ulp_status == IOSTAT_SUCCESS) {
1724                 struct lpfc_dmabuf *outp;
1725                 struct lpfc_sli_ct_request *CTrsp;
1726
1727                 outp = cmdiocb->rsp_dmabuf;
1728                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1729                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1730                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1731                         vport->ct_flags |= FC_CT_RSPN_ID;
1732         }
1733         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1734         return;
1735 }
1736
1737 static void
1738 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1739                          struct lpfc_iocbq *rspiocb)
1740 {
1741         struct lpfc_vport *vport = cmdiocb->vport;
1742         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1743
1744         if (ulp_status == IOSTAT_SUCCESS) {
1745                 struct lpfc_dmabuf *outp;
1746                 struct lpfc_sli_ct_request *CTrsp;
1747
1748                 outp = cmdiocb->rsp_dmabuf;
1749                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1750                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1751                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1752                         vport->ct_flags |= FC_CT_RSNN_NN;
1753         }
1754         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1755         return;
1756 }
1757
1758 static void
1759 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1760  struct lpfc_iocbq *rspiocb)
1761 {
1762         struct lpfc_vport *vport = cmdiocb->vport;
1763
1764         /* even if it fails we will act as though it succeeded. */
1765         vport->ct_flags = 0;
1766         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1767         return;
1768 }
1769
1770 static void
1771 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1772                         struct lpfc_iocbq *rspiocb)
1773 {
1774         struct lpfc_vport *vport = cmdiocb->vport;
1775         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1776
1777         if (ulp_status == IOSTAT_SUCCESS) {
1778                 struct lpfc_dmabuf *outp;
1779                 struct lpfc_sli_ct_request *CTrsp;
1780
1781                 outp = cmdiocb->rsp_dmabuf;
1782                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1783                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1784                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1785                         vport->ct_flags |= FC_CT_RFF_ID;
1786         }
1787         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1788         return;
1789 }
1790
1791 /*
1792  * Although the symbolic port name is thought to be an integer
1793  * as of January 18, 2016, leave it as a string until more of
1794  * the record state becomes defined.
1795  */
1796 int
1797 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1798         size_t size)
1799 {
1800         int n;
1801
1802         /*
1803          * Use the lpfc board number as the Symbolic Port
1804          * Name object.  NPIV is not in play so this integer
1805          * value is sufficient and unique per FC-ID.
1806          */
1807         n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1808         return n;
1809 }
1810
1811
1812 int
1813 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1814         size_t size)
1815 {
1816         char fwrev[FW_REV_STR_SIZE] = {0};
1817         char tmp[MAXHOSTNAMELEN] = {0};
1818
1819         memset(symbol, 0, size);
1820
1821         scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1822         if (strlcat(symbol, tmp, size) >= size)
1823                 goto buffer_done;
1824
1825         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1826         scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1827         if (strlcat(symbol, tmp, size) >= size)
1828                 goto buffer_done;
1829
1830         scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1831         if (strlcat(symbol, tmp, size) >= size)
1832                 goto buffer_done;
1833
1834         scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1835         if (strlcat(symbol, tmp, size) >= size)
1836                 goto buffer_done;
1837
1838         /* Note :- OS name is "Linux" */
1839         scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1840         strlcat(symbol, tmp, size);
1841
1842 buffer_done:
1843         return strnlen(symbol, size);
1844
1845 }
1846
1847 static uint32_t
1848 lpfc_find_map_node(struct lpfc_vport *vport)
1849 {
1850         struct lpfc_nodelist *ndlp, *next_ndlp;
1851         struct Scsi_Host  *shost;
1852         uint32_t cnt = 0;
1853
1854         shost = lpfc_shost_from_vport(vport);
1855         spin_lock_irq(shost->host_lock);
1856         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1857                 if (ndlp->nlp_type & NLP_FABRIC)
1858                         continue;
1859                 if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1860                     (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1861                         cnt++;
1862         }
1863         spin_unlock_irq(shost->host_lock);
1864         return cnt;
1865 }
1866
1867 /*
1868  * This routine will return the FC4 Type associated with the CT
1869  * GID_FT command.
1870  */
1871 int
1872 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1873 {
1874         struct lpfc_sli_ct_request *CtReq;
1875         struct lpfc_dmabuf *mp;
1876         uint32_t type;
1877
1878         mp = cmdiocb->cmd_dmabuf;
1879         if (mp == NULL)
1880                 return 0;
1881         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1882         type = (uint32_t)CtReq->un.gid.Fc4Type;
1883         if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1884                 return 0;
1885         return type;
1886 }
1887
1888 /*
1889  * lpfc_ns_cmd
1890  * Description:
1891  *    Issue Cmd to NameServer
1892  *       SLI_CTNS_GID_FT
1893  *       LI_CTNS_RFT_ID
1894  */
1895 int
1896 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1897             uint8_t retry, uint32_t context)
1898 {
1899         struct lpfc_nodelist * ndlp;
1900         struct lpfc_hba *phba = vport->phba;
1901         struct lpfc_dmabuf *mp, *bmp;
1902         struct lpfc_sli_ct_request *CtReq;
1903         struct ulp_bde64 *bpl;
1904         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1905                       struct lpfc_iocbq *) = NULL;
1906         uint32_t *ptr;
1907         uint32_t rsp_size = 1024;
1908         size_t   size;
1909         int rc = 0;
1910
1911         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1912         if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1913                 rc=1;
1914                 goto ns_cmd_exit;
1915         }
1916
1917         /* fill in BDEs for command */
1918         /* Allocate buffer for command payload */
1919         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1920         if (!mp) {
1921                 rc=2;
1922                 goto ns_cmd_exit;
1923         }
1924
1925         INIT_LIST_HEAD(&mp->list);
1926         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1927         if (!mp->virt) {
1928                 rc=3;
1929                 goto ns_cmd_free_mp;
1930         }
1931
1932         /* Allocate buffer for Buffer ptr list */
1933         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1934         if (!bmp) {
1935                 rc=4;
1936                 goto ns_cmd_free_mpvirt;
1937         }
1938
1939         INIT_LIST_HEAD(&bmp->list);
1940         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1941         if (!bmp->virt) {
1942                 rc=5;
1943                 goto ns_cmd_free_bmp;
1944         }
1945
1946         /* NameServer Req */
1947         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1948                          "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1949                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1950                          context);
1951
1952         bpl = (struct ulp_bde64 *) bmp->virt;
1953         memset(bpl, 0, sizeof(struct ulp_bde64));
1954         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1955         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1956         bpl->tus.f.bdeFlags = 0;
1957         if (cmdcode == SLI_CTNS_GID_FT)
1958                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1959         else if (cmdcode == SLI_CTNS_GID_PT)
1960                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1961         else if (cmdcode == SLI_CTNS_GFF_ID)
1962                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1963         else if (cmdcode == SLI_CTNS_GFT_ID)
1964                 bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1965         else if (cmdcode == SLI_CTNS_RFT_ID)
1966                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1967         else if (cmdcode == SLI_CTNS_RNN_ID)
1968                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1969         else if (cmdcode == SLI_CTNS_RSPN_ID)
1970                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1971         else if (cmdcode == SLI_CTNS_RSNN_NN)
1972                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1973         else if (cmdcode == SLI_CTNS_DA_ID)
1974                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1975         else if (cmdcode == SLI_CTNS_RFF_ID)
1976                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1977         else
1978                 bpl->tus.f.bdeSize = 0;
1979         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1980
1981         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1982         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1983         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1984         CtReq->RevisionId.bits.InId = 0;
1985         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1986         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1987         CtReq->CommandResponse.bits.Size = 0;
1988         switch (cmdcode) {
1989         case SLI_CTNS_GID_FT:
1990                 CtReq->CommandResponse.bits.CmdRsp =
1991                     cpu_to_be16(SLI_CTNS_GID_FT);
1992                 CtReq->un.gid.Fc4Type = context;
1993
1994                 if (vport->port_state < LPFC_NS_QRY)
1995                         vport->port_state = LPFC_NS_QRY;
1996                 lpfc_set_disctmo(vport);
1997                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1998                 rsp_size = FC_MAX_NS_RSP;
1999                 break;
2000
2001         case SLI_CTNS_GID_PT:
2002                 CtReq->CommandResponse.bits.CmdRsp =
2003                     cpu_to_be16(SLI_CTNS_GID_PT);
2004                 CtReq->un.gid.PortType = context;
2005
2006                 if (vport->port_state < LPFC_NS_QRY)
2007                         vport->port_state = LPFC_NS_QRY;
2008                 lpfc_set_disctmo(vport);
2009                 cmpl = lpfc_cmpl_ct_cmd_gid_pt;
2010                 rsp_size = FC_MAX_NS_RSP;
2011                 break;
2012
2013         case SLI_CTNS_GFF_ID:
2014                 CtReq->CommandResponse.bits.CmdRsp =
2015                         cpu_to_be16(SLI_CTNS_GFF_ID);
2016                 CtReq->un.gff.PortId = cpu_to_be32(context);
2017                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
2018                 break;
2019
2020         case SLI_CTNS_GFT_ID:
2021                 CtReq->CommandResponse.bits.CmdRsp =
2022                         cpu_to_be16(SLI_CTNS_GFT_ID);
2023                 CtReq->un.gft.PortId = cpu_to_be32(context);
2024                 cmpl = lpfc_cmpl_ct_cmd_gft_id;
2025                 break;
2026
2027         case SLI_CTNS_RFT_ID:
2028                 vport->ct_flags &= ~FC_CT_RFT_ID;
2029                 CtReq->CommandResponse.bits.CmdRsp =
2030                     cpu_to_be16(SLI_CTNS_RFT_ID);
2031                 CtReq->un.rft.port_id = cpu_to_be32(vport->fc_myDID);
2032
2033                 /* Register Application Services type if vmid enabled. */
2034                 if (phba->cfg_vmid_app_header)
2035                         CtReq->un.rft.app_serv_reg =
2036                                 cpu_to_be32(RFT_APP_SERV_REG);
2037
2038                 /* Register FC4 FCP type if enabled.  */
2039                 if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2040                     vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
2041                         CtReq->un.rft.fcp_reg = cpu_to_be32(RFT_FCP_REG);
2042
2043                 /* Register NVME type if enabled. */
2044                 if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2045                     vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
2046                         CtReq->un.rft.nvme_reg = cpu_to_be32(RFT_NVME_REG);
2047
2048                 ptr = (uint32_t *)CtReq;
2049                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2050                                  "6433 Issue RFT (%s %s %s): %08x %08x %08x "
2051                                  "%08x %08x %08x %08x %08x\n",
2052                                  CtReq->un.rft.fcp_reg ? "FCP" : " ",
2053                                  CtReq->un.rft.nvme_reg ? "NVME" : " ",
2054                                  CtReq->un.rft.app_serv_reg ? "APPS" : " ",
2055                                  *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2056                                  *(ptr + 4), *(ptr + 5),
2057                                  *(ptr + 6), *(ptr + 7));
2058                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
2059                 break;
2060
2061         case SLI_CTNS_RNN_ID:
2062                 vport->ct_flags &= ~FC_CT_RNN_ID;
2063                 CtReq->CommandResponse.bits.CmdRsp =
2064                     cpu_to_be16(SLI_CTNS_RNN_ID);
2065                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
2066                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
2067                        sizeof(struct lpfc_name));
2068                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
2069                 break;
2070
2071         case SLI_CTNS_RSPN_ID:
2072                 vport->ct_flags &= ~FC_CT_RSPN_ID;
2073                 CtReq->CommandResponse.bits.CmdRsp =
2074                     cpu_to_be16(SLI_CTNS_RSPN_ID);
2075                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
2076                 size = sizeof(CtReq->un.rspn.symbname);
2077                 CtReq->un.rspn.len =
2078                         lpfc_vport_symbolic_port_name(vport,
2079                         CtReq->un.rspn.symbname, size);
2080                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
2081                 break;
2082         case SLI_CTNS_RSNN_NN:
2083                 vport->ct_flags &= ~FC_CT_RSNN_NN;
2084                 CtReq->CommandResponse.bits.CmdRsp =
2085                     cpu_to_be16(SLI_CTNS_RSNN_NN);
2086                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
2087                        sizeof(struct lpfc_name));
2088                 size = sizeof(CtReq->un.rsnn.symbname);
2089                 CtReq->un.rsnn.len =
2090                         lpfc_vport_symbolic_node_name(vport,
2091                         CtReq->un.rsnn.symbname, size);
2092                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
2093                 break;
2094         case SLI_CTNS_DA_ID:
2095                 /* Implement DA_ID Nameserver request */
2096                 CtReq->CommandResponse.bits.CmdRsp =
2097                         cpu_to_be16(SLI_CTNS_DA_ID);
2098                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
2099                 cmpl = lpfc_cmpl_ct_cmd_da_id;
2100                 break;
2101         case SLI_CTNS_RFF_ID:
2102                 vport->ct_flags &= ~FC_CT_RFF_ID;
2103                 CtReq->CommandResponse.bits.CmdRsp =
2104                     cpu_to_be16(SLI_CTNS_RFF_ID);
2105                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
2106                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
2107
2108                 /* The driver always supports FC_TYPE_FCP.  However, the
2109                  * caller can specify NVME (type x28) as well.  But only
2110                  * these that FC4 type is supported.
2111                  */
2112                 if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2113                      (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
2114                     (context == FC_TYPE_NVME)) {
2115                         if ((vport == phba->pport) && phba->nvmet_support) {
2116                                 CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
2117                                         FC4_FEATURE_NVME_DISC);
2118                                 lpfc_nvmet_update_targetport(phba);
2119                         } else {
2120                                 lpfc_nvme_update_localport(vport);
2121                         }
2122                         CtReq->un.rff.type_code = context;
2123
2124                 } else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2125                             (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
2126                            (context == FC_TYPE_FCP))
2127                         CtReq->un.rff.type_code = context;
2128
2129                 else
2130                         goto ns_cmd_free_bmpvirt;
2131
2132                 ptr = (uint32_t *)CtReq;
2133                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2134                                  "6434 Issue RFF (%s): %08x %08x %08x %08x "
2135                                  "%08x %08x %08x %08x\n",
2136                                  (context == FC_TYPE_NVME) ? "NVME" : "FCP",
2137                                  *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2138                                  *(ptr + 4), *(ptr + 5),
2139                                  *(ptr + 6), *(ptr + 7));
2140                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
2141                 break;
2142         }
2143         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2144          * to hold ndlp reference for the corresponding callback function.
2145          */
2146         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
2147                 /* On success, The cmpl function will free the buffers */
2148                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2149                         "Issue CT cmd:    cmd:x%x did:x%x",
2150                         cmdcode, ndlp->nlp_DID, 0);
2151                 return 0;
2152         }
2153         rc=6;
2154
2155 ns_cmd_free_bmpvirt:
2156         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2157 ns_cmd_free_bmp:
2158         kfree(bmp);
2159 ns_cmd_free_mpvirt:
2160         lpfc_mbuf_free(phba, mp->virt, mp->phys);
2161 ns_cmd_free_mp:
2162         kfree(mp);
2163 ns_cmd_exit:
2164         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
2165                          "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
2166                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
2167         return 1;
2168 }
2169
2170 /**
2171  * lpfc_fdmi_rprt_defer - Check for any deferred FDMI RPRT commands
2172  * @phba: Pointer to HBA context object.
2173  * @mask: Initial port attributes mask
2174  *
2175  * This function checks to see if any vports have deferred their FDMI RPRT.
2176  * A vports RPRT may be deferred if it is issued before the primary ports
2177  * RHBA completes.
2178  */
2179 static void
2180 lpfc_fdmi_rprt_defer(struct lpfc_hba *phba, uint32_t mask)
2181 {
2182         struct lpfc_vport **vports;
2183         struct lpfc_vport *vport;
2184         struct lpfc_nodelist *ndlp;
2185         int i;
2186
2187         phba->hba_flag |= HBA_RHBA_CMPL;
2188         vports = lpfc_create_vport_work_array(phba);
2189         if (vports) {
2190                 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2191                         vport = vports[i];
2192                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2193                         if (!ndlp)
2194                                 continue;
2195                         if (vport->ct_flags & FC_CT_RPRT_DEFER) {
2196                                 vport->ct_flags &= ~FC_CT_RPRT_DEFER;
2197                                 vport->fdmi_port_mask = mask;
2198                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2199                         }
2200                 }
2201         }
2202         lpfc_destroy_vport_work_array(phba, vports);
2203 }
2204
2205 /**
2206  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
2207  * @phba: Pointer to HBA context object.
2208  * @cmdiocb: Pointer to the command IOCBQ.
2209  * @rspiocb: Pointer to the response IOCBQ.
2210  *
2211  * This function to handle the completion of a driver initiated FDMI
2212  * CT command issued during discovery.
2213  */
2214 static void
2215 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2216                        struct lpfc_iocbq *rspiocb)
2217 {
2218         struct lpfc_vport *vport = cmdiocb->vport;
2219         struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
2220         struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
2221         struct lpfc_sli_ct_request *CTcmd = inp->virt;
2222         struct lpfc_sli_ct_request *CTrsp = outp->virt;
2223         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
2224         uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
2225         struct lpfc_nodelist *ndlp, *free_ndlp = NULL;
2226         uint32_t latt, cmd, err;
2227         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
2228         u32 ulp_word4 = get_job_word4(phba, rspiocb);
2229
2230         latt = lpfc_els_chk_latt(vport);
2231         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2232                 "FDMI cmpl:       status:x%x/x%x latt:%d",
2233                 ulp_status, ulp_word4, latt);
2234
2235         if (latt || ulp_status) {
2236
2237                 /* Look for a retryable error */
2238                 if (ulp_status == IOSTAT_LOCAL_REJECT) {
2239                         switch ((ulp_word4 & IOERR_PARAM_MASK)) {
2240                         case IOERR_SLI_ABORTED:
2241                         case IOERR_SLI_DOWN:
2242                                 /* Driver aborted this IO.  No retry as error
2243                                  * is likely Offline->Online or some adapter
2244                                  * error.  Recovery will try again.
2245                                  */
2246                                 break;
2247                         case IOERR_ABORT_IN_PROGRESS:
2248                         case IOERR_SEQUENCE_TIMEOUT:
2249                         case IOERR_ILLEGAL_FRAME:
2250                         case IOERR_NO_RESOURCES:
2251                         case IOERR_ILLEGAL_COMMAND:
2252                                 cmdiocb->retry++;
2253                                 if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
2254                                         break;
2255
2256                                 /* Retry the same FDMI command */
2257                                 err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
2258                                                           cmdiocb, 0);
2259                                 if (err == IOCB_ERROR)
2260                                         break;
2261                                 return;
2262                         default:
2263                                 break;
2264                         }
2265                 }
2266
2267                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2268                                  "0229 FDMI cmd %04x failed, latt = %d "
2269                                  "ulp_status: x%x, rid x%x\n",
2270                                  be16_to_cpu(fdmi_cmd), latt, ulp_status,
2271                                  ulp_word4);
2272         }
2273
2274         free_ndlp = cmdiocb->ndlp;
2275         lpfc_ct_free_iocb(phba, cmdiocb);
2276         lpfc_nlp_put(free_ndlp);
2277
2278         ndlp = lpfc_findnode_did(vport, FDMI_DID);
2279         if (!ndlp)
2280                 return;
2281
2282         /* Check for a CT LS_RJT response */
2283         cmd =  be16_to_cpu(fdmi_cmd);
2284         if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
2285                 /* FDMI rsp failed */
2286                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY | LOG_ELS,
2287                                  "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
2288
2289                 /* Should we fallback to FDMI-2 / FDMI-1 ? */
2290                 switch (cmd) {
2291                 case SLI_MGMT_RHBA:
2292                         if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
2293                                 /* Fallback to FDMI-1 for HBA attributes */
2294                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2295
2296                                 /* If HBA attributes are FDMI1, so should
2297                                  * port attributes be for consistency.
2298                                  */
2299                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2300                                 /* Start over */
2301                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2302                         }
2303                         return;
2304
2305                 case SLI_MGMT_RPRT:
2306                         if (vport->port_type != LPFC_PHYSICAL_PORT) {
2307                                 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2308                                 if (!ndlp)
2309                                         return;
2310                         }
2311                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2312                                 /* Fallback to FDMI-1 */
2313                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2314                                 /* Start over */
2315                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2316                                 return;
2317                         }
2318                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2319                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2320                                 /* Retry the same command */
2321                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2322                         }
2323                         return;
2324
2325                 case SLI_MGMT_RPA:
2326                         /* No retry on Vendor, RPA only done on physical port */
2327                         if (phba->link_flag & LS_CT_VEN_RPA) {
2328                                 phba->link_flag &= ~LS_CT_VEN_RPA;
2329                                 if (phba->cmf_active_mode == LPFC_CFG_OFF)
2330                                         return;
2331                                 lpfc_printf_log(phba, KERN_WARNING,
2332                                                 LOG_DISCOVERY | LOG_ELS,
2333                                                 "6460 VEN FDMI RPA RJT\n");
2334                                 return;
2335                         }
2336                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2337                                 /* Fallback to FDMI-1 */
2338                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2339                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2340                                 /* Start over */
2341                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2342                                 return;
2343                         }
2344                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2345                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2346                                 /* Retry the same command */
2347                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2348                         }
2349                         return;
2350                 }
2351         }
2352
2353         /*
2354          * On success, need to cycle thru FDMI registration for discovery
2355          * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2356          * DPRT -> RPRT (vports)
2357          */
2358         switch (cmd) {
2359         case SLI_MGMT_RHBA:
2360                 /* Check for any RPRTs deferred till after RHBA completes */
2361                 lpfc_fdmi_rprt_defer(phba, vport->fdmi_port_mask);
2362
2363                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
2364                 break;
2365
2366         case SLI_MGMT_DHBA:
2367                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2368                 break;
2369
2370         case SLI_MGMT_DPRT:
2371                 if (vport->port_type == LPFC_PHYSICAL_PORT) {
2372                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2373                 } else {
2374                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2375                         if (!ndlp)
2376                                 return;
2377
2378                         /* Only issue a RPRT for the vport if the RHBA
2379                          * for the physical port completes successfully.
2380                          * We may have to defer the RPRT accordingly.
2381                          */
2382                         if (phba->hba_flag & HBA_RHBA_CMPL) {
2383                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2384                         } else {
2385                                 lpfc_printf_vlog(vport, KERN_INFO,
2386                                                  LOG_DISCOVERY,
2387                                                  "6078 RPRT deferred\n");
2388                                 vport->ct_flags |= FC_CT_RPRT_DEFER;
2389                         }
2390                 }
2391                 break;
2392         case SLI_MGMT_RPA:
2393                 if (vport->port_type == LPFC_PHYSICAL_PORT &&
2394                     phba->sli4_hba.pc_sli4_params.mi_ver) {
2395                         /* mi is only for the phyical port, no vports */
2396                         if (phba->link_flag & LS_CT_VEN_RPA) {
2397                                 lpfc_printf_vlog(vport, KERN_INFO,
2398                                                  LOG_DISCOVERY | LOG_ELS |
2399                                                  LOG_CGN_MGMT,
2400                                                  "6449 VEN RPA FDMI Success\n");
2401                                 phba->link_flag &= ~LS_CT_VEN_RPA;
2402                                 break;
2403                         }
2404
2405                         lpfc_printf_log(phba, KERN_INFO,
2406                                         LOG_DISCOVERY | LOG_CGN_MGMT,
2407                                         "6210 Issue Vendor MI FDMI %x\n",
2408                                         phba->sli4_hba.pc_sli4_params.mi_ver);
2409
2410                         /* CGN is only for the physical port, no vports */
2411                         if (lpfc_fdmi_cmd(vport, ndlp, cmd,
2412                                           LPFC_FDMI_VENDOR_ATTR_mi) == 0)
2413                                 phba->link_flag |= LS_CT_VEN_RPA;
2414                         lpfc_printf_log(phba, KERN_INFO,
2415                                         LOG_DISCOVERY | LOG_ELS,
2416                                         "6458 Send MI FDMI:%x Flag x%x\n",
2417                                         phba->sli4_hba.pc_sli4_params.mi_ver,
2418                                         phba->link_flag);
2419                 } else {
2420                         lpfc_printf_log(phba, KERN_INFO,
2421                                         LOG_DISCOVERY | LOG_ELS,
2422                                         "6459 No FDMI VEN MI support - "
2423                                         "RPA Success\n");
2424                 }
2425                 break;
2426         }
2427         return;
2428 }
2429
2430
2431 /**
2432  * lpfc_fdmi_change_check - Check for changed FDMI parameters
2433  * @vport: pointer to a host virtual N_Port data structure.
2434  *
2435  * Check how many mapped NPorts we are connected to
2436  * Check if our hostname changed
2437  * Called from hbeat timeout routine to check if any FDMI parameters
2438  * changed. If so, re-register those Attributes.
2439  */
2440 void
2441 lpfc_fdmi_change_check(struct lpfc_vport *vport)
2442 {
2443         struct lpfc_hba *phba = vport->phba;
2444         struct lpfc_nodelist *ndlp;
2445         uint16_t cnt;
2446
2447         if (!lpfc_is_link_up(phba))
2448                 return;
2449
2450         /* Must be connected to a Fabric */
2451         if (!(vport->fc_flag & FC_FABRIC))
2452                 return;
2453
2454         ndlp = lpfc_findnode_did(vport, FDMI_DID);
2455         if (!ndlp)
2456                 return;
2457
2458         /* Check if system hostname changed */
2459         if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2460                 memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2461                 scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2462                           init_utsname()->nodename);
2463                 lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2464
2465                 /* Since this effects multiple HBA and PORT attributes, we need
2466                  * de-register and go thru the whole FDMI registration cycle.
2467                  * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2468                  * DPRT -> RPRT (vports)
2469                  */
2470                 if (vport->port_type == LPFC_PHYSICAL_PORT) {
2471                         /* For extra Vendor RPA */
2472                         phba->link_flag &= ~LS_CT_VEN_RPA;
2473                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2474                 } else {
2475                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2476                         if (!ndlp)
2477                                 return;
2478                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2479                 }
2480
2481                 /* Since this code path registers all the port attributes
2482                  * we can just return without further checking.
2483                  */
2484                 return;
2485         }
2486
2487         if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2488                 return;
2489
2490         /* Check if the number of mapped NPorts changed */
2491         cnt = lpfc_find_map_node(vport);
2492         if (cnt == vport->fdmi_num_disc)
2493                 return;
2494
2495         if (vport->port_type == LPFC_PHYSICAL_PORT) {
2496                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2497                               LPFC_FDMI_PORT_ATTR_num_disc);
2498         } else {
2499                 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2500                 if (!ndlp)
2501                         return;
2502                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2503                               LPFC_FDMI_PORT_ATTR_num_disc);
2504         }
2505 }
2506
2507 /* Routines for all individual HBA attributes */
2508 static int
2509 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2510 {
2511         struct lpfc_fdmi_attr_entry *ae;
2512         uint32_t size;
2513
2514         ae = &ad->AttrValue;
2515         memset(ae, 0, sizeof(*ae));
2516
2517         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2518                sizeof(struct lpfc_name));
2519         size = FOURBYTES + sizeof(struct lpfc_name);
2520         ad->AttrLen = cpu_to_be16(size);
2521         ad->AttrType = cpu_to_be16(RHBA_NODENAME);
2522         return size;
2523 }
2524 static int
2525 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
2526                                 struct lpfc_fdmi_attr_def *ad)
2527 {
2528         struct lpfc_fdmi_attr_entry *ae;
2529         uint32_t len, size;
2530
2531         ae = &ad->AttrValue;
2532         memset(ae, 0, sizeof(*ae));
2533
2534         /* This string MUST be consistent with other FC platforms
2535          * supported by Broadcom.
2536          */
2537         strncpy(ae->un.AttrString,
2538                 "Emulex Corporation",
2539                        sizeof(ae->un.AttrString));
2540         len = strnlen(ae->un.AttrString,
2541                           sizeof(ae->un.AttrString));
2542         len += (len & 3) ? (4 - (len & 3)) : 4;
2543         size = FOURBYTES + len;
2544         ad->AttrLen = cpu_to_be16(size);
2545         ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
2546         return size;
2547 }
2548
2549 static int
2550 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2551 {
2552         struct lpfc_hba *phba = vport->phba;
2553         struct lpfc_fdmi_attr_entry *ae;
2554         uint32_t len, size;
2555
2556         ae = &ad->AttrValue;
2557         memset(ae, 0, sizeof(*ae));
2558
2559         strncpy(ae->un.AttrString, phba->SerialNumber,
2560                 sizeof(ae->un.AttrString));
2561         len = strnlen(ae->un.AttrString,
2562                           sizeof(ae->un.AttrString));
2563         len += (len & 3) ? (4 - (len & 3)) : 4;
2564         size = FOURBYTES + len;
2565         ad->AttrLen = cpu_to_be16(size);
2566         ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
2567         return size;
2568 }
2569
2570 static int
2571 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
2572                          struct lpfc_fdmi_attr_def *ad)
2573 {
2574         struct lpfc_hba *phba = vport->phba;
2575         struct lpfc_fdmi_attr_entry *ae;
2576         uint32_t len, size;
2577
2578         ae = &ad->AttrValue;
2579         memset(ae, 0, sizeof(*ae));
2580
2581         strncpy(ae->un.AttrString, phba->ModelName,
2582                 sizeof(ae->un.AttrString));
2583         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2584         len += (len & 3) ? (4 - (len & 3)) : 4;
2585         size = FOURBYTES + len;
2586         ad->AttrLen = cpu_to_be16(size);
2587         ad->AttrType = cpu_to_be16(RHBA_MODEL);
2588         return size;
2589 }
2590
2591 static int
2592 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
2593                                struct lpfc_fdmi_attr_def *ad)
2594 {
2595         struct lpfc_hba *phba = vport->phba;
2596         struct lpfc_fdmi_attr_entry *ae;
2597         uint32_t len, size;
2598
2599         ae = &ad->AttrValue;
2600         memset(ae, 0, sizeof(*ae));
2601
2602         strncpy(ae->un.AttrString, phba->ModelDesc,
2603                 sizeof(ae->un.AttrString));
2604         len = strnlen(ae->un.AttrString,
2605                                   sizeof(ae->un.AttrString));
2606         len += (len & 3) ? (4 - (len & 3)) : 4;
2607         size = FOURBYTES + len;
2608         ad->AttrLen = cpu_to_be16(size);
2609         ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
2610         return size;
2611 }
2612
2613 static int
2614 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
2615                            struct lpfc_fdmi_attr_def *ad)
2616 {
2617         struct lpfc_hba *phba = vport->phba;
2618         lpfc_vpd_t *vp = &phba->vpd;
2619         struct lpfc_fdmi_attr_entry *ae;
2620         uint32_t i, j, incr, size;
2621
2622         ae = &ad->AttrValue;
2623         memset(ae, 0, sizeof(*ae));
2624
2625         /* Convert JEDEC ID to ascii for hardware version */
2626         incr = vp->rev.biuRev;
2627         for (i = 0; i < 8; i++) {
2628                 j = (incr & 0xf);
2629                 if (j <= 9)
2630                         ae->un.AttrString[7 - i] =
2631                             (char)((uint8_t) 0x30 +
2632                                    (uint8_t) j);
2633                 else
2634                         ae->un.AttrString[7 - i] =
2635                             (char)((uint8_t) 0x61 +
2636                                    (uint8_t) (j - 10));
2637                 incr = (incr >> 4);
2638         }
2639         size = FOURBYTES + 8;
2640         ad->AttrLen = cpu_to_be16(size);
2641         ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
2642         return size;
2643 }
2644
2645 static int
2646 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
2647                             struct lpfc_fdmi_attr_def *ad)
2648 {
2649         struct lpfc_fdmi_attr_entry *ae;
2650         uint32_t len, size;
2651
2652         ae = &ad->AttrValue;
2653         memset(ae, 0, sizeof(*ae));
2654
2655         strncpy(ae->un.AttrString, lpfc_release_version,
2656                 sizeof(ae->un.AttrString));
2657         len = strnlen(ae->un.AttrString,
2658                           sizeof(ae->un.AttrString));
2659         len += (len & 3) ? (4 - (len & 3)) : 4;
2660         size = FOURBYTES + len;
2661         ad->AttrLen = cpu_to_be16(size);
2662         ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
2663         return size;
2664 }
2665
2666 static int
2667 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
2668                            struct lpfc_fdmi_attr_def *ad)
2669 {
2670         struct lpfc_hba *phba = vport->phba;
2671         struct lpfc_fdmi_attr_entry *ae;
2672         uint32_t len, size;
2673
2674         ae = &ad->AttrValue;
2675         memset(ae, 0, sizeof(*ae));
2676
2677         if (phba->sli_rev == LPFC_SLI_REV4)
2678                 lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2679         else
2680                 strncpy(ae->un.AttrString, phba->OptionROMVersion,
2681                         sizeof(ae->un.AttrString));
2682         len = strnlen(ae->un.AttrString,
2683                           sizeof(ae->un.AttrString));
2684         len += (len & 3) ? (4 - (len & 3)) : 4;
2685         size = FOURBYTES + len;
2686         ad->AttrLen = cpu_to_be16(size);
2687         ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
2688         return size;
2689 }
2690
2691 static int
2692 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
2693                            struct lpfc_fdmi_attr_def *ad)
2694 {
2695         struct lpfc_hba *phba = vport->phba;
2696         struct lpfc_fdmi_attr_entry *ae;
2697         uint32_t len, size;
2698
2699         ae = &ad->AttrValue;
2700         memset(ae, 0, sizeof(*ae));
2701
2702         lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2703         len = strnlen(ae->un.AttrString,
2704                           sizeof(ae->un.AttrString));
2705         len += (len & 3) ? (4 - (len & 3)) : 4;
2706         size = FOURBYTES + len;
2707         ad->AttrLen = cpu_to_be16(size);
2708         ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
2709         return size;
2710 }
2711
2712 static int
2713 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
2714                           struct lpfc_fdmi_attr_def *ad)
2715 {
2716         struct lpfc_fdmi_attr_entry *ae;
2717         uint32_t len, size;
2718
2719         ae = &ad->AttrValue;
2720         memset(ae, 0, sizeof(*ae));
2721
2722         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
2723                  init_utsname()->sysname,
2724                  init_utsname()->release,
2725                  init_utsname()->version);
2726
2727         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2728         len += (len & 3) ? (4 - (len & 3)) : 4;
2729         size = FOURBYTES + len;
2730         ad->AttrLen = cpu_to_be16(size);
2731         ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
2732         return size;
2733 }
2734
2735 static int
2736 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
2737                           struct lpfc_fdmi_attr_def *ad)
2738 {
2739         struct lpfc_fdmi_attr_entry *ae;
2740         uint32_t size;
2741
2742         ae = &ad->AttrValue;
2743
2744         ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
2745         size = FOURBYTES + sizeof(uint32_t);
2746         ad->AttrLen = cpu_to_be16(size);
2747         ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
2748         return size;
2749 }
2750
2751 static int
2752 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
2753                                  struct lpfc_fdmi_attr_def *ad)
2754 {
2755         struct lpfc_fdmi_attr_entry *ae;
2756         uint32_t len, size;
2757
2758         ae = &ad->AttrValue;
2759         memset(ae, 0, sizeof(*ae));
2760
2761         len = lpfc_vport_symbolic_node_name(vport,
2762                                 ae->un.AttrString, 256);
2763         len += (len & 3) ? (4 - (len & 3)) : 4;
2764         size = FOURBYTES + len;
2765         ad->AttrLen = cpu_to_be16(size);
2766         ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
2767         return size;
2768 }
2769
2770 static int
2771 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
2772                                struct lpfc_fdmi_attr_def *ad)
2773 {
2774         struct lpfc_fdmi_attr_entry *ae;
2775         uint32_t size;
2776
2777         ae = &ad->AttrValue;
2778
2779         /* Nothing is defined for this currently */
2780         ae->un.AttrInt =  cpu_to_be32(0);
2781         size = FOURBYTES + sizeof(uint32_t);
2782         ad->AttrLen = cpu_to_be16(size);
2783         ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
2784         return size;
2785 }
2786
2787 static int
2788 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
2789                              struct lpfc_fdmi_attr_def *ad)
2790 {
2791         struct lpfc_fdmi_attr_entry *ae;
2792         uint32_t size;
2793
2794         ae = &ad->AttrValue;
2795
2796         /* Each driver instance corresponds to a single port */
2797         ae->un.AttrInt =  cpu_to_be32(1);
2798         size = FOURBYTES + sizeof(uint32_t);
2799         ad->AttrLen = cpu_to_be16(size);
2800         ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2801         return size;
2802 }
2803
2804 static int
2805 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2806                                struct lpfc_fdmi_attr_def *ad)
2807 {
2808         struct lpfc_fdmi_attr_entry *ae;
2809         uint32_t size;
2810
2811         ae = &ad->AttrValue;
2812         memset(ae, 0, sizeof(*ae));
2813
2814         memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2815                sizeof(struct lpfc_name));
2816         size = FOURBYTES + sizeof(struct lpfc_name);
2817         ad->AttrLen = cpu_to_be16(size);
2818         ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2819         return size;
2820 }
2821
2822 static int
2823 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2824                             struct lpfc_fdmi_attr_def *ad)
2825 {
2826         struct lpfc_hba *phba = vport->phba;
2827         struct lpfc_fdmi_attr_entry *ae;
2828         uint32_t len, size;
2829
2830         ae = &ad->AttrValue;
2831         memset(ae, 0, sizeof(*ae));
2832
2833         strlcat(ae->un.AttrString, phba->BIOSVersion,
2834                 sizeof(ae->un.AttrString));
2835         len = strnlen(ae->un.AttrString,
2836                           sizeof(ae->un.AttrString));
2837         len += (len & 3) ? (4 - (len & 3)) : 4;
2838         size = FOURBYTES + len;
2839         ad->AttrLen = cpu_to_be16(size);
2840         ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2841         return size;
2842 }
2843
2844 static int
2845 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2846                               struct lpfc_fdmi_attr_def *ad)
2847 {
2848         struct lpfc_fdmi_attr_entry *ae;
2849         uint32_t size;
2850
2851         ae = &ad->AttrValue;
2852
2853         /* Driver doesn't have access to this information */
2854         ae->un.AttrInt =  cpu_to_be32(0);
2855         size = FOURBYTES + sizeof(uint32_t);
2856         ad->AttrLen = cpu_to_be16(size);
2857         ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2858         return size;
2859 }
2860
2861 static int
2862 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2863                              struct lpfc_fdmi_attr_def *ad)
2864 {
2865         struct lpfc_fdmi_attr_entry *ae;
2866         uint32_t len, size;
2867
2868         ae = &ad->AttrValue;
2869         memset(ae, 0, sizeof(*ae));
2870
2871         strncpy(ae->un.AttrString, "EMULEX",
2872                 sizeof(ae->un.AttrString));
2873         len = strnlen(ae->un.AttrString,
2874                           sizeof(ae->un.AttrString));
2875         len += (len & 3) ? (4 - (len & 3)) : 4;
2876         size = FOURBYTES + len;
2877         ad->AttrLen = cpu_to_be16(size);
2878         ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2879         return size;
2880 }
2881
2882 /* Routines for all individual PORT attributes */
2883 static int
2884 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2885                             struct lpfc_fdmi_attr_def *ad)
2886 {
2887         struct lpfc_hba   *phba = vport->phba;
2888         struct lpfc_fdmi_attr_entry *ae;
2889         uint32_t size;
2890
2891         ae = &ad->AttrValue;
2892         memset(ae, 0, sizeof(*ae));
2893
2894         ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
2895         ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
2896
2897         /* Check to see if Firmware supports NVME and on physical port */
2898         if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2899             phba->sli4_hba.pc_sli4_params.nvme)
2900                 ae->un.AttrTypes[6] = 0x01; /* Type 0x28 - NVME */
2901
2902         size = FOURBYTES + 32;
2903         ad->AttrLen = cpu_to_be16(size);
2904         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2905         return size;
2906 }
2907
2908 static int
2909 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2910                                   struct lpfc_fdmi_attr_def *ad)
2911 {
2912         struct lpfc_hba   *phba = vport->phba;
2913         struct lpfc_fdmi_attr_entry *ae;
2914         uint32_t size;
2915         u32 tcfg;
2916         u8 i, cnt;
2917
2918         ae = &ad->AttrValue;
2919
2920         ae->un.AttrInt = 0;
2921         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2922                 cnt = 0;
2923                 if (phba->sli_rev == LPFC_SLI_REV4) {
2924                         tcfg = phba->sli4_hba.conf_trunk;
2925                         for (i = 0; i < 4; i++, tcfg >>= 1)
2926                                 if (tcfg & 1)
2927                                         cnt++;
2928                 }
2929
2930                 if (cnt > 2) { /* 4 lane trunk group */
2931                         if (phba->lmt & LMT_64Gb)
2932                                 ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
2933                         if (phba->lmt & LMT_32Gb)
2934                                 ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2935                         if (phba->lmt & LMT_16Gb)
2936                                 ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2937                 } else if (cnt) { /* 2 lane trunk group */
2938                         if (phba->lmt & LMT_128Gb)
2939                                 ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
2940                         if (phba->lmt & LMT_64Gb)
2941                                 ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2942                         if (phba->lmt & LMT_32Gb)
2943                                 ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2944                         if (phba->lmt & LMT_16Gb)
2945                                 ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2946                 } else {
2947                         if (phba->lmt & LMT_256Gb)
2948                                 ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
2949                         if (phba->lmt & LMT_128Gb)
2950                                 ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2951                         if (phba->lmt & LMT_64Gb)
2952                                 ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2953                         if (phba->lmt & LMT_32Gb)
2954                                 ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2955                         if (phba->lmt & LMT_16Gb)
2956                                 ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2957                         if (phba->lmt & LMT_10Gb)
2958                                 ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2959                         if (phba->lmt & LMT_8Gb)
2960                                 ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2961                         if (phba->lmt & LMT_4Gb)
2962                                 ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2963                         if (phba->lmt & LMT_2Gb)
2964                                 ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2965                         if (phba->lmt & LMT_1Gb)
2966                                 ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2967                 }
2968         } else {
2969                 /* FCoE links support only one speed */
2970                 switch (phba->fc_linkspeed) {
2971                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2972                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
2973                         break;
2974                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2975                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
2976                         break;
2977                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2978                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
2979                         break;
2980                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2981                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
2982                         break;
2983                 }
2984         }
2985         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2986         size = FOURBYTES + sizeof(uint32_t);
2987         ad->AttrLen = cpu_to_be16(size);
2988         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2989         return size;
2990 }
2991
2992 static int
2993 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2994                           struct lpfc_fdmi_attr_def *ad)
2995 {
2996         struct lpfc_hba   *phba = vport->phba;
2997         struct lpfc_fdmi_attr_entry *ae;
2998         uint32_t size;
2999
3000         ae = &ad->AttrValue;
3001
3002         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
3003                 switch (phba->fc_linkspeed) {
3004                 case LPFC_LINK_SPEED_1GHZ:
3005                         ae->un.AttrInt = HBA_PORTSPEED_1GFC;
3006                         break;
3007                 case LPFC_LINK_SPEED_2GHZ:
3008                         ae->un.AttrInt = HBA_PORTSPEED_2GFC;
3009                         break;
3010                 case LPFC_LINK_SPEED_4GHZ:
3011                         ae->un.AttrInt = HBA_PORTSPEED_4GFC;
3012                         break;
3013                 case LPFC_LINK_SPEED_8GHZ:
3014                         ae->un.AttrInt = HBA_PORTSPEED_8GFC;
3015                         break;
3016                 case LPFC_LINK_SPEED_10GHZ:
3017                         ae->un.AttrInt = HBA_PORTSPEED_10GFC;
3018                         break;
3019                 case LPFC_LINK_SPEED_16GHZ:
3020                         ae->un.AttrInt = HBA_PORTSPEED_16GFC;
3021                         break;
3022                 case LPFC_LINK_SPEED_32GHZ:
3023                         ae->un.AttrInt = HBA_PORTSPEED_32GFC;
3024                         break;
3025                 case LPFC_LINK_SPEED_64GHZ:
3026                         ae->un.AttrInt = HBA_PORTSPEED_64GFC;
3027                         break;
3028                 case LPFC_LINK_SPEED_128GHZ:
3029                         ae->un.AttrInt = HBA_PORTSPEED_128GFC;
3030                         break;
3031                 case LPFC_LINK_SPEED_256GHZ:
3032                         ae->un.AttrInt = HBA_PORTSPEED_256GFC;
3033                         break;
3034                 default:
3035                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
3036                         break;
3037                 }
3038         } else {
3039                 switch (phba->fc_linkspeed) {
3040                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
3041                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
3042                         break;
3043                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
3044                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
3045                         break;
3046                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
3047                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
3048                         break;
3049                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
3050                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
3051                         break;
3052                 default:
3053                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
3054                         break;
3055                 }
3056         }
3057
3058         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
3059         size = FOURBYTES + sizeof(uint32_t);
3060         ad->AttrLen = cpu_to_be16(size);
3061         ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
3062         return size;
3063 }
3064
3065 static int
3066 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
3067                               struct lpfc_fdmi_attr_def *ad)
3068 {
3069         struct serv_parm *hsp;
3070         struct lpfc_fdmi_attr_entry *ae;
3071         uint32_t size;
3072
3073         ae = &ad->AttrValue;
3074
3075         hsp = (struct serv_parm *)&vport->fc_sparam;
3076         ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
3077                           (uint32_t) hsp->cmn.bbRcvSizeLsb;
3078         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
3079         size = FOURBYTES + sizeof(uint32_t);
3080         ad->AttrLen = cpu_to_be16(size);
3081         ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
3082         return size;
3083 }
3084
3085 static int
3086 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
3087                                struct lpfc_fdmi_attr_def *ad)
3088 {
3089         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3090         struct lpfc_fdmi_attr_entry *ae;
3091         uint32_t len, size;
3092
3093         ae = &ad->AttrValue;
3094         memset(ae, 0, sizeof(*ae));
3095
3096         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
3097                  "/sys/class/scsi_host/host%d", shost->host_no);
3098         len = strnlen((char *)ae->un.AttrString,
3099                           sizeof(ae->un.AttrString));
3100         len += (len & 3) ? (4 - (len & 3)) : 4;
3101         size = FOURBYTES + len;
3102         ad->AttrLen = cpu_to_be16(size);
3103         ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
3104         return size;
3105 }
3106
3107 static int
3108 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
3109                               struct lpfc_fdmi_attr_def *ad)
3110 {
3111         struct lpfc_fdmi_attr_entry *ae;
3112         uint32_t len, size;
3113
3114         ae = &ad->AttrValue;
3115         memset(ae, 0, sizeof(*ae));
3116
3117         scnprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
3118                   vport->phba->os_host_name);
3119
3120         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3121         len += (len & 3) ? (4 - (len & 3)) : 4;
3122         size = FOURBYTES + len;
3123         ad->AttrLen = cpu_to_be16(size);
3124         ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
3125         return size;
3126 }
3127
3128 static int
3129 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
3130                          struct lpfc_fdmi_attr_def *ad)
3131 {
3132         struct lpfc_fdmi_attr_entry *ae;
3133         uint32_t size;
3134
3135         ae = &ad->AttrValue;
3136         memset(ae, 0, sizeof(*ae));
3137
3138         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
3139                sizeof(struct lpfc_name));
3140         size = FOURBYTES + sizeof(struct lpfc_name);
3141         ad->AttrLen = cpu_to_be16(size);
3142         ad->AttrType = cpu_to_be16(RPRT_NODENAME);
3143         return size;
3144 }
3145
3146 static int
3147 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
3148                          struct lpfc_fdmi_attr_def *ad)
3149 {
3150         struct lpfc_fdmi_attr_entry *ae;
3151         uint32_t size;
3152
3153         ae = &ad->AttrValue;
3154         memset(ae, 0, sizeof(*ae));
3155
3156         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
3157                sizeof(struct lpfc_name));
3158         size = FOURBYTES + sizeof(struct lpfc_name);
3159         ad->AttrLen = cpu_to_be16(size);
3160         ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
3161         return size;
3162 }
3163
3164 static int
3165 lpfc_fdmi_port_attr_symbolic_name(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         len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
3175         len += (len & 3) ? (4 - (len & 3)) : 4;
3176         size = FOURBYTES + len;
3177         ad->AttrLen = cpu_to_be16(size);
3178         ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
3179         return size;
3180 }
3181
3182 static int
3183 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
3184                               struct lpfc_fdmi_attr_def *ad)
3185 {
3186         struct lpfc_hba *phba = vport->phba;
3187         struct lpfc_fdmi_attr_entry *ae;
3188         uint32_t size;
3189
3190         ae = &ad->AttrValue;
3191         if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
3192                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
3193         else
3194                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
3195         size = FOURBYTES + sizeof(uint32_t);
3196         ad->AttrLen = cpu_to_be16(size);
3197         ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
3198         return size;
3199 }
3200
3201 static int
3202 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
3203                           struct lpfc_fdmi_attr_def *ad)
3204 {
3205         struct lpfc_fdmi_attr_entry *ae;
3206         uint32_t size;
3207
3208         ae = &ad->AttrValue;
3209         ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
3210         size = FOURBYTES + sizeof(uint32_t);
3211         ad->AttrLen = cpu_to_be16(size);
3212         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
3213         return size;
3214 }
3215
3216 static int
3217 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
3218                                 struct lpfc_fdmi_attr_def *ad)
3219 {
3220         struct lpfc_fdmi_attr_entry *ae;
3221         uint32_t size;
3222
3223         ae = &ad->AttrValue;
3224         memset(ae, 0, sizeof(*ae));
3225
3226         memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
3227                sizeof(struct lpfc_name));
3228         size = FOURBYTES + sizeof(struct lpfc_name);
3229         ad->AttrLen = cpu_to_be16(size);
3230         ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
3231         return size;
3232 }
3233
3234 static int
3235 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
3236                                    struct lpfc_fdmi_attr_def *ad)
3237 {
3238         struct lpfc_hba *phba = vport->phba;
3239         struct lpfc_fdmi_attr_entry *ae;
3240         uint32_t size;
3241
3242         ae = &ad->AttrValue;
3243         memset(ae, 0, sizeof(*ae));
3244
3245         ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
3246         ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
3247
3248         /* Check to see if NVME is configured or not */
3249         if (vport == phba->pport &&
3250             phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3251                 ae->un.AttrTypes[6] = 0x1; /* Type 0x28 - NVME */
3252
3253         size = FOURBYTES + 32;
3254         ad->AttrLen = cpu_to_be16(size);
3255         ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
3256         return size;
3257 }
3258
3259 static int
3260 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
3261                                struct lpfc_fdmi_attr_def *ad)
3262 {
3263         struct lpfc_fdmi_attr_entry *ae;
3264         uint32_t size;
3265
3266         ae = &ad->AttrValue;
3267         /* Link Up - operational */
3268         ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
3269         size = FOURBYTES + sizeof(uint32_t);
3270         ad->AttrLen = cpu_to_be16(size);
3271         ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
3272         return size;
3273 }
3274
3275 static int
3276 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
3277                              struct lpfc_fdmi_attr_def *ad)
3278 {
3279         struct lpfc_fdmi_attr_entry *ae;
3280         uint32_t size;
3281
3282         ae = &ad->AttrValue;
3283         vport->fdmi_num_disc = lpfc_find_map_node(vport);
3284         ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
3285         size = FOURBYTES + sizeof(uint32_t);
3286         ad->AttrLen = cpu_to_be16(size);
3287         ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
3288         return size;
3289 }
3290
3291 static int
3292 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
3293                             struct lpfc_fdmi_attr_def *ad)
3294 {
3295         struct lpfc_fdmi_attr_entry *ae;
3296         uint32_t size;
3297
3298         ae = &ad->AttrValue;
3299         ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
3300         size = FOURBYTES + sizeof(uint32_t);
3301         ad->AttrLen = cpu_to_be16(size);
3302         ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
3303         return size;
3304 }
3305
3306 static int
3307 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
3308                              struct lpfc_fdmi_attr_def *ad)
3309 {
3310         struct lpfc_fdmi_attr_entry *ae;
3311         uint32_t len, size;
3312
3313         ae = &ad->AttrValue;
3314         memset(ae, 0, sizeof(*ae));
3315
3316         strncpy(ae->un.AttrString, "Smart SAN Initiator",
3317                 sizeof(ae->un.AttrString));
3318         len = strnlen(ae->un.AttrString,
3319                           sizeof(ae->un.AttrString));
3320         len += (len & 3) ? (4 - (len & 3)) : 4;
3321         size = FOURBYTES + len;
3322         ad->AttrLen = cpu_to_be16(size);
3323         ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
3324         return size;
3325 }
3326
3327 static int
3328 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
3329                           struct lpfc_fdmi_attr_def *ad)
3330 {
3331         struct lpfc_fdmi_attr_entry *ae;
3332         uint32_t size;
3333
3334         ae = &ad->AttrValue;
3335         memset(ae, 0, sizeof(*ae));
3336
3337         memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
3338                sizeof(struct lpfc_name));
3339         memcpy((((uint8_t *)&ae->un.AttrString) +
3340                 sizeof(struct lpfc_name)),
3341                 &vport->fc_sparam.portName, sizeof(struct lpfc_name));
3342         size = FOURBYTES + (2 * sizeof(struct lpfc_name));
3343         ad->AttrLen =  cpu_to_be16(size);
3344         ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
3345         return size;
3346 }
3347
3348 static int
3349 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
3350                              struct lpfc_fdmi_attr_def *ad)
3351 {
3352         struct lpfc_fdmi_attr_entry *ae;
3353         uint32_t len, size;
3354
3355         ae = &ad->AttrValue;
3356         memset(ae, 0, sizeof(*ae));
3357
3358         strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
3359                 sizeof(ae->un.AttrString));
3360         len = strnlen(ae->un.AttrString,
3361                           sizeof(ae->un.AttrString));
3362         len += (len & 3) ? (4 - (len & 3)) : 4;
3363         size = FOURBYTES + len;
3364         ad->AttrLen =  cpu_to_be16(size);
3365         ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
3366         return size;
3367 }
3368
3369 static int
3370 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
3371                            struct lpfc_fdmi_attr_def *ad)
3372 {
3373         struct lpfc_hba *phba = vport->phba;
3374         struct lpfc_fdmi_attr_entry *ae;
3375         uint32_t len, size;
3376
3377         ae = &ad->AttrValue;
3378         memset(ae, 0, sizeof(*ae));
3379
3380         strncpy(ae->un.AttrString, phba->ModelName,
3381                 sizeof(ae->un.AttrString));
3382         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3383         len += (len & 3) ? (4 - (len & 3)) : 4;
3384         size = FOURBYTES + len;
3385         ad->AttrLen = cpu_to_be16(size);
3386         ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
3387         return size;
3388 }
3389
3390 static int
3391 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
3392                                struct lpfc_fdmi_attr_def *ad)
3393 {
3394         struct lpfc_fdmi_attr_entry *ae;
3395         uint32_t size;
3396
3397         ae = &ad->AttrValue;
3398
3399         /* SRIOV (type 3) is not supported */
3400         if (vport->vpi)
3401                 ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
3402         else
3403                 ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
3404         size = FOURBYTES + sizeof(uint32_t);
3405         ad->AttrLen = cpu_to_be16(size);
3406         ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
3407         return size;
3408 }
3409
3410 static int
3411 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
3412                          struct lpfc_fdmi_attr_def *ad)
3413 {
3414         struct lpfc_fdmi_attr_entry *ae;
3415         uint32_t size;
3416
3417         ae = &ad->AttrValue;
3418         ae->un.AttrInt =  cpu_to_be32(0);
3419         size = FOURBYTES + sizeof(uint32_t);
3420         ad->AttrLen = cpu_to_be16(size);
3421         ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
3422         return size;
3423 }
3424
3425 static int
3426 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
3427                               struct lpfc_fdmi_attr_def *ad)
3428 {
3429         struct lpfc_fdmi_attr_entry *ae;
3430         uint32_t size;
3431
3432         ae = &ad->AttrValue;
3433         ae->un.AttrInt =  cpu_to_be32(1);
3434         size = FOURBYTES + sizeof(uint32_t);
3435         ad->AttrLen = cpu_to_be16(size);
3436         ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
3437         return size;
3438 }
3439
3440 static int
3441 lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport,
3442                           struct lpfc_fdmi_attr_def *ad)
3443 {
3444         struct lpfc_hba *phba = vport->phba;
3445         struct lpfc_fdmi_attr_entry *ae;
3446         uint32_t len, size;
3447         char mibrevision[16];
3448
3449         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
3450         memset(ae, 0, 256);
3451         sprintf(mibrevision, "ELXE2EM:%04d",
3452                 phba->sli4_hba.pc_sli4_params.mi_ver);
3453         strncpy(ae->un.AttrString, &mibrevision[0], sizeof(ae->un.AttrString));
3454         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3455         len += (len & 3) ? (4 - (len & 3)) : 4;
3456         size = FOURBYTES + len;
3457         ad->AttrLen = cpu_to_be16(size);
3458         ad->AttrType = cpu_to_be16(RPRT_VENDOR_MI);
3459         return size;
3460 }
3461
3462 /* RHBA attribute jump table */
3463 int (*lpfc_fdmi_hba_action[])
3464         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3465         /* Action routine                 Mask bit     Attribute type */
3466         lpfc_fdmi_hba_attr_wwnn,          /* bit0     RHBA_NODENAME           */
3467         lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
3468         lpfc_fdmi_hba_attr_sn,            /* bit2     RHBA_SERIAL_NUMBER      */
3469         lpfc_fdmi_hba_attr_model,         /* bit3     RHBA_MODEL              */
3470         lpfc_fdmi_hba_attr_description,   /* bit4     RHBA_MODEL_DESCRIPTION  */
3471         lpfc_fdmi_hba_attr_hdw_ver,       /* bit5     RHBA_HARDWARE_VERSION   */
3472         lpfc_fdmi_hba_attr_drvr_ver,      /* bit6     RHBA_DRIVER_VERSION     */
3473         lpfc_fdmi_hba_attr_rom_ver,       /* bit7     RHBA_OPTION_ROM_VERSION */
3474         lpfc_fdmi_hba_attr_fmw_ver,       /* bit8     RHBA_FIRMWARE_VERSION   */
3475         lpfc_fdmi_hba_attr_os_ver,        /* bit9     RHBA_OS_NAME_VERSION    */
3476         lpfc_fdmi_hba_attr_ct_len,        /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
3477         lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
3478         lpfc_fdmi_hba_attr_vendor_info,   /* bit12    RHBA_VENDOR_INFO        */
3479         lpfc_fdmi_hba_attr_num_ports,     /* bit13    RHBA_NUM_PORTS          */
3480         lpfc_fdmi_hba_attr_fabric_wwnn,   /* bit14    RHBA_FABRIC_WWNN        */
3481         lpfc_fdmi_hba_attr_bios_ver,      /* bit15    RHBA_BIOS_VERSION       */
3482         lpfc_fdmi_hba_attr_bios_state,    /* bit16    RHBA_BIOS_STATE         */
3483         lpfc_fdmi_hba_attr_vendor_id,     /* bit17    RHBA_VENDOR_ID          */
3484 };
3485
3486 /* RPA / RPRT attribute jump table */
3487 int (*lpfc_fdmi_port_action[])
3488         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3489         /* Action routine                   Mask bit   Attribute type */
3490         lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
3491         lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
3492         lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
3493         lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
3494         lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
3495         lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
3496         lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
3497         lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
3498         lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
3499         lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
3500         lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
3501         lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
3502         lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
3503         lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
3504         lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
3505         lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
3506         lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
3507         lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
3508         lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
3509         lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
3510         lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
3511         lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
3512         lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
3513         lpfc_fdmi_vendor_attr_mi,           /* bit23  RPRT_VENDOR_MI          */
3514 };
3515
3516 /**
3517  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3518  * @vport: pointer to a host virtual N_Port data structure.
3519  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3520  * @cmdcode: FDMI command to send
3521  * @new_mask: Mask of HBA or PORT Attributes to send
3522  *
3523  * Builds and sends a FDMI command using the CT subsystem.
3524  */
3525 int
3526 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3527               int cmdcode, uint32_t new_mask)
3528 {
3529         struct lpfc_hba *phba = vport->phba;
3530         struct lpfc_dmabuf *mp, *bmp;
3531         struct lpfc_sli_ct_request *CtReq;
3532         struct ulp_bde64 *bpl;
3533         uint32_t bit_pos;
3534         uint32_t size;
3535         uint32_t rsp_size;
3536         uint32_t mask;
3537         struct lpfc_fdmi_reg_hba *rh;
3538         struct lpfc_fdmi_port_entry *pe;
3539         struct lpfc_fdmi_reg_portattr *pab = NULL;
3540         struct lpfc_fdmi_attr_block *ab = NULL;
3541         int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
3542         void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
3543                      struct lpfc_iocbq *);
3544
3545         if (!ndlp)
3546                 return 0;
3547
3548         cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3549
3550         /* fill in BDEs for command */
3551         /* Allocate buffer for command payload */
3552         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3553         if (!mp)
3554                 goto fdmi_cmd_exit;
3555
3556         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
3557         if (!mp->virt)
3558                 goto fdmi_cmd_free_mp;
3559
3560         /* Allocate buffer for Buffer ptr list */
3561         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3562         if (!bmp)
3563                 goto fdmi_cmd_free_mpvirt;
3564
3565         bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
3566         if (!bmp->virt)
3567                 goto fdmi_cmd_free_bmp;
3568
3569         INIT_LIST_HEAD(&mp->list);
3570         INIT_LIST_HEAD(&bmp->list);
3571
3572         /* FDMI request */
3573         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3574                          "0218 FDMI Request x%x mask x%x Data: x%x x%x x%x\n",
3575                          cmdcode, new_mask, vport->fdmi_port_mask,
3576                          vport->fc_flag, vport->port_state);
3577
3578         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
3579
3580         /* First populate the CT_IU preamble */
3581         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
3582         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3583         CtReq->RevisionId.bits.InId = 0;
3584
3585         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3586         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3587
3588         CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3589         rsp_size = LPFC_BPL_SIZE;
3590         size = 0;
3591
3592         /* Next fill in the specific FDMI cmd information */
3593         switch (cmdcode) {
3594         case SLI_MGMT_RHAT:
3595         case SLI_MGMT_RHBA:
3596                 rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
3597                 /* HBA Identifier */
3598                 memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3599                        sizeof(struct lpfc_name));
3600
3601                 if (cmdcode == SLI_MGMT_RHBA) {
3602                         /* Registered Port List */
3603                         /* One entry (port) per adapter */
3604                         rh->rpl.EntryCnt = cpu_to_be32(1);
3605                         memcpy(&rh->rpl.pe.PortName,
3606                                &phba->pport->fc_sparam.portName,
3607                                sizeof(struct lpfc_name));
3608
3609                         /* point to the HBA attribute block */
3610                         size = 2 * sizeof(struct lpfc_name) +
3611                                 FOURBYTES;
3612                 } else {
3613                         size = sizeof(struct lpfc_name);
3614                 }
3615                 ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3616                 ab->EntryCnt = 0;
3617                 size += FOURBYTES;
3618                 bit_pos = 0;
3619                 if (new_mask)
3620                         mask = new_mask;
3621                 else
3622                         mask = vport->fdmi_hba_mask;
3623
3624                 /* Mask will dictate what attributes to build in the request */
3625                 while (mask) {
3626                         if (mask & 0x1) {
3627                                 func = lpfc_fdmi_hba_action[bit_pos];
3628                                 size += func(vport,
3629                                              (struct lpfc_fdmi_attr_def *)
3630                                              ((uint8_t *)rh + size));
3631                                 ab->EntryCnt++;
3632                                 if ((size + 256) >
3633                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3634                                         goto hba_out;
3635                         }
3636                         mask = mask >> 1;
3637                         bit_pos++;
3638                 }
3639 hba_out:
3640                 ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3641                 /* Total size */
3642                 size = GID_REQUEST_SZ - 4 + size;
3643                 break;
3644
3645         case SLI_MGMT_RPRT:
3646                 if (vport->port_type != LPFC_PHYSICAL_PORT) {
3647                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3648                         if (!ndlp)
3649                                 return 0;
3650                 }
3651                 fallthrough;
3652         case SLI_MGMT_RPA:
3653                 pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
3654                 if (cmdcode == SLI_MGMT_RPRT) {
3655                         rh = (struct lpfc_fdmi_reg_hba *)pab;
3656                         /* HBA Identifier */
3657                         memcpy(&rh->hi.PortName,
3658                                &phba->pport->fc_sparam.portName,
3659                                sizeof(struct lpfc_name));
3660                         pab = (struct lpfc_fdmi_reg_portattr *)
3661                                 ((uint8_t *)pab +  sizeof(struct lpfc_name));
3662                 }
3663
3664                 memcpy((uint8_t *)&pab->PortName,
3665                        (uint8_t *)&vport->fc_sparam.portName,
3666                        sizeof(struct lpfc_name));
3667                 size += sizeof(struct lpfc_name) + FOURBYTES;
3668                 pab->ab.EntryCnt = 0;
3669                 bit_pos = 0;
3670                 if (new_mask)
3671                         mask = new_mask;
3672                 else
3673                         mask = vport->fdmi_port_mask;
3674
3675                 /* Mask will dictate what attributes to build in the request */
3676                 while (mask) {
3677                         if (mask & 0x1) {
3678                                 func = lpfc_fdmi_port_action[bit_pos];
3679                                 size += func(vport,
3680                                              (struct lpfc_fdmi_attr_def *)
3681                                              ((uint8_t *)pab + size));
3682                                 pab->ab.EntryCnt++;
3683                                 if ((size + 256) >
3684                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3685                                         goto port_out;
3686                         }
3687                         mask = mask >> 1;
3688                         bit_pos++;
3689                 }
3690 port_out:
3691                 pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3692                 /* Total size */
3693                 if (cmdcode == SLI_MGMT_RPRT)
3694                         size += sizeof(struct lpfc_name);
3695                 size = GID_REQUEST_SZ - 4 + size;
3696                 break;
3697
3698         case SLI_MGMT_GHAT:
3699         case SLI_MGMT_GRPL:
3700                 rsp_size = FC_MAX_NS_RSP;
3701                 fallthrough;
3702         case SLI_MGMT_DHBA:
3703         case SLI_MGMT_DHAT:
3704                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3705                 memcpy((uint8_t *)&pe->PortName,
3706                        (uint8_t *)&vport->fc_sparam.portName,
3707                        sizeof(struct lpfc_name));
3708                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3709                 break;
3710
3711         case SLI_MGMT_GPAT:
3712         case SLI_MGMT_GPAS:
3713                 rsp_size = FC_MAX_NS_RSP;
3714                 fallthrough;
3715         case SLI_MGMT_DPRT:
3716                 if (vport->port_type != LPFC_PHYSICAL_PORT) {
3717                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3718                         if (!ndlp)
3719                                 return 0;
3720                 }
3721                 fallthrough;
3722         case SLI_MGMT_DPA:
3723                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3724                 memcpy((uint8_t *)&pe->PortName,
3725                        (uint8_t *)&vport->fc_sparam.portName,
3726                        sizeof(struct lpfc_name));
3727                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3728                 break;
3729         case SLI_MGMT_GRHL:
3730                 size = GID_REQUEST_SZ - 4;
3731                 break;
3732         default:
3733                 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3734                                  "0298 FDMI cmdcode x%x not supported\n",
3735                                  cmdcode);
3736                 goto fdmi_cmd_free_bmpvirt;
3737         }
3738         CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3739
3740         bpl = (struct ulp_bde64 *)bmp->virt;
3741         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
3742         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
3743         bpl->tus.f.bdeFlags = 0;
3744         bpl->tus.f.bdeSize = size;
3745
3746         /*
3747          * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3748          * to hold ndlp reference for the corresponding callback function.
3749          */
3750         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
3751                 return 0;
3752
3753 fdmi_cmd_free_bmpvirt:
3754         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3755 fdmi_cmd_free_bmp:
3756         kfree(bmp);
3757 fdmi_cmd_free_mpvirt:
3758         lpfc_mbuf_free(phba, mp->virt, mp->phys);
3759 fdmi_cmd_free_mp:
3760         kfree(mp);
3761 fdmi_cmd_exit:
3762         /* Issue FDMI request failed */
3763         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3764                          "0244 Issue FDMI request failed Data: x%x\n",
3765                          cmdcode);
3766         return 1;
3767 }
3768
3769 /**
3770  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3771  * @t: Context object of the timer.
3772  *
3773  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3774  * the worker thread.
3775  **/
3776 void
3777 lpfc_delayed_disc_tmo(struct timer_list *t)
3778 {
3779         struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3780         struct lpfc_hba   *phba = vport->phba;
3781         uint32_t tmo_posted;
3782         unsigned long iflag;
3783
3784         spin_lock_irqsave(&vport->work_port_lock, iflag);
3785         tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3786         if (!tmo_posted)
3787                 vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3788         spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3789
3790         if (!tmo_posted)
3791                 lpfc_worker_wake_up(phba);
3792         return;
3793 }
3794
3795 /**
3796  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3797  *      handle delayed discovery.
3798  * @vport: pointer to a host virtual N_Port data structure.
3799  *
3800  * This function start nport discovery of the vport.
3801  **/
3802 void
3803 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3804 {
3805         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3806
3807         spin_lock_irq(shost->host_lock);
3808         if (!(vport->fc_flag & FC_DISC_DELAYED)) {
3809                 spin_unlock_irq(shost->host_lock);
3810                 return;
3811         }
3812         vport->fc_flag &= ~FC_DISC_DELAYED;
3813         spin_unlock_irq(shost->host_lock);
3814
3815         lpfc_do_scr_ns_plogi(vport->phba, vport);
3816 }
3817
3818 void
3819 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3820 {
3821         struct lpfc_sli *psli = &phba->sli;
3822         lpfc_vpd_t *vp = &phba->vpd;
3823         uint32_t b1, b2, b3, b4, i, rev;
3824         char c;
3825         uint32_t *ptr, str[4];
3826         uint8_t *fwname;
3827
3828         if (phba->sli_rev == LPFC_SLI_REV4)
3829                 snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3830         else if (vp->rev.rBit) {
3831                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
3832                         rev = vp->rev.sli2FwRev;
3833                 else
3834                         rev = vp->rev.sli1FwRev;
3835
3836                 b1 = (rev & 0x0000f000) >> 12;
3837                 b2 = (rev & 0x00000f00) >> 8;
3838                 b3 = (rev & 0x000000c0) >> 6;
3839                 b4 = (rev & 0x00000030) >> 4;
3840
3841                 switch (b4) {
3842                 case 0:
3843                         c = 'N';
3844                         break;
3845                 case 1:
3846                         c = 'A';
3847                         break;
3848                 case 2:
3849                         c = 'B';
3850                         break;
3851                 case 3:
3852                         c = 'X';
3853                         break;
3854                 default:
3855                         c = 0;
3856                         break;
3857                 }
3858                 b4 = (rev & 0x0000000f);
3859
3860                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
3861                         fwname = vp->rev.sli2FwName;
3862                 else
3863                         fwname = vp->rev.sli1FwName;
3864
3865                 for (i = 0; i < 16; i++)
3866                         if (fwname[i] == 0x20)
3867                                 fwname[i] = 0;
3868
3869                 ptr = (uint32_t*)fwname;
3870
3871                 for (i = 0; i < 3; i++)
3872                         str[i] = be32_to_cpu(*ptr++);
3873
3874                 if (c == 0) {
3875                         if (flag)
3876                                 sprintf(fwrevision, "%d.%d%d (%s)",
3877                                         b1, b2, b3, (char *)str);
3878                         else
3879                                 sprintf(fwrevision, "%d.%d%d", b1,
3880                                         b2, b3);
3881                 } else {
3882                         if (flag)
3883                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3884                                         b1, b2, b3, c,
3885                                         b4, (char *)str);
3886                         else
3887                                 sprintf(fwrevision, "%d.%d%d%c%d",
3888                                         b1, b2, b3, c, b4);
3889                 }
3890         } else {
3891                 rev = vp->rev.smFwRev;
3892
3893                 b1 = (rev & 0xff000000) >> 24;
3894                 b2 = (rev & 0x00f00000) >> 20;
3895                 b3 = (rev & 0x000f0000) >> 16;
3896                 c  = (rev & 0x0000ff00) >> 8;
3897                 b4 = (rev & 0x000000ff);
3898
3899                 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3900         }
3901         return;
3902 }
3903
3904 static void
3905 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3906                       struct lpfc_iocbq *rspiocb)
3907 {
3908         struct lpfc_vport *vport = cmdiocb->vport;
3909         struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
3910         struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
3911         struct lpfc_sli_ct_request *ctcmd = inp->virt;
3912         struct lpfc_sli_ct_request *ctrsp = outp->virt;
3913         u16 rsp = ctrsp->CommandResponse.bits.CmdRsp;
3914         struct app_id_object *app;
3915         u32 cmd, hash, bucket;
3916         struct lpfc_vmid *vmp, *cur;
3917         u8 *data = outp->virt;
3918         int i;
3919
3920         cmd = be16_to_cpu(ctcmd->CommandResponse.bits.CmdRsp);
3921         if (cmd == SLI_CTAS_DALLAPP_ID)
3922                 lpfc_ct_free_iocb(phba, cmdiocb);
3923
3924         if (lpfc_els_chk_latt(vport) || get_job_ulpstatus(phba, rspiocb)) {
3925                 if (cmd != SLI_CTAS_DALLAPP_ID)
3926                         return;
3927         }
3928         /* Check for a CT LS_RJT response */
3929         if (rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
3930                 if (cmd != SLI_CTAS_DALLAPP_ID)
3931                         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3932                                          "3306 VMID FS_RJT Data: x%x x%x x%x\n",
3933                                          cmd, ctrsp->ReasonCode,
3934                                          ctrsp->Explanation);
3935                 if ((cmd != SLI_CTAS_DALLAPP_ID) ||
3936                     (ctrsp->ReasonCode != SLI_CT_UNABLE_TO_PERFORM_REQ) ||
3937                     (ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) {
3938                         /* If DALLAPP_ID failed retry later */
3939                         if (cmd == SLI_CTAS_DALLAPP_ID)
3940                                 vport->load_flag |= FC_DEREGISTER_ALL_APP_ID;
3941                         return;
3942                 }
3943         }
3944
3945         switch (cmd) {
3946         case SLI_CTAS_RAPP_IDENT:
3947                 app = (struct app_id_object *)(RAPP_IDENT_OFFSET + data);
3948                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3949                                  "6712 RAPP_IDENT app id %d  port id x%x id "
3950                                  "len %d\n", be32_to_cpu(app->app_id),
3951                                  be32_to_cpu(app->port_id),
3952                                  app->obj.entity_id_len);
3953
3954                 if (app->obj.entity_id_len == 0 || app->port_id == 0)
3955                         return;
3956
3957                 hash = lpfc_vmid_hash_fn(app->obj.entity_id,
3958                                          app->obj.entity_id_len);
3959                 vmp = lpfc_get_vmid_from_hashtable(vport, hash,
3960                                                   app->obj.entity_id);
3961                 if (vmp) {
3962                         write_lock(&vport->vmid_lock);
3963                         vmp->un.app_id = be32_to_cpu(app->app_id);
3964                         vmp->flag |= LPFC_VMID_REGISTERED;
3965                         vmp->flag &= ~LPFC_VMID_REQ_REGISTER;
3966                         write_unlock(&vport->vmid_lock);
3967                         /* Set IN USE flag */
3968                         vport->vmid_flag |= LPFC_VMID_IN_USE;
3969                 } else {
3970                         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3971                                          "6901 No entry found %s hash %d\n",
3972                                          app->obj.entity_id, hash);
3973                 }
3974                 break;
3975         case SLI_CTAS_DAPP_IDENT:
3976                 app = (struct app_id_object *)(DAPP_IDENT_OFFSET + data);
3977                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3978                                  "6713 DAPP_IDENT app id %d  port id x%x\n",
3979                                  be32_to_cpu(app->app_id),
3980                                  be32_to_cpu(app->port_id));
3981                 break;
3982         case SLI_CTAS_DALLAPP_ID:
3983                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3984                                  "8856 Deregistered all app ids\n");
3985                 read_lock(&vport->vmid_lock);
3986                 for (i = 0; i < phba->cfg_max_vmid; i++) {
3987                         vmp = &vport->vmid[i];
3988                         if (vmp->flag != LPFC_VMID_SLOT_FREE)
3989                                 memset(vmp, 0, sizeof(struct lpfc_vmid));
3990                 }
3991                 read_unlock(&vport->vmid_lock);
3992                 /* for all elements in the hash table */
3993                 if (!hash_empty(vport->hash_table))
3994                         hash_for_each(vport->hash_table, bucket, cur, hnode)
3995                                 hash_del(&cur->hnode);
3996                 vport->load_flag |= FC_ALLOW_VMID;
3997                 break;
3998         default:
3999                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4000                                  "8857 Invalid command code\n");
4001         }
4002 }
4003
4004 /**
4005  * lpfc_vmid_cmd - Build and send a FDMI cmd to the specified NPort
4006  * @vport: pointer to a host virtual N_Port data structure.
4007  * @cmdcode: application server command code to send
4008  * @vmid: pointer to vmid info structure
4009  *
4010  * Builds and sends a FDMI command using the CT subsystem.
4011  */
4012 int
4013 lpfc_vmid_cmd(struct lpfc_vport *vport,
4014               int cmdcode, struct lpfc_vmid *vmid)
4015 {
4016         struct lpfc_hba *phba = vport->phba;
4017         struct lpfc_dmabuf *mp, *bmp;
4018         struct lpfc_sli_ct_request *ctreq;
4019         struct ulp_bde64 *bpl;
4020         u32 size;
4021         u32 rsp_size;
4022         u8 *data;
4023         struct lpfc_vmid_rapp_ident_list *rap;
4024         struct lpfc_vmid_dapp_ident_list *dap;
4025         u8 retry = 0;
4026         struct lpfc_nodelist *ndlp;
4027
4028         void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4029                      struct lpfc_iocbq *rspiocb);
4030
4031         ndlp = lpfc_findnode_did(vport, FDMI_DID);
4032         if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
4033                 return 0;
4034
4035         cmpl = lpfc_cmpl_ct_cmd_vmid;
4036
4037         /* fill in BDEs for command */
4038         /* Allocate buffer for command payload */
4039         mp = kmalloc(sizeof(*mp), GFP_KERNEL);
4040         if (!mp)
4041                 goto vmid_free_mp_exit;
4042
4043         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
4044         if (!mp->virt)
4045                 goto vmid_free_mp_virt_exit;
4046
4047         /* Allocate buffer for Buffer ptr list */
4048         bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
4049         if (!bmp)
4050                 goto vmid_free_bmp_exit;
4051
4052         bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
4053         if (!bmp->virt)
4054                 goto vmid_free_bmp_virt_exit;
4055
4056         INIT_LIST_HEAD(&mp->list);
4057         INIT_LIST_HEAD(&bmp->list);
4058
4059         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
4060                          "3275 VMID Request Data: x%x x%x x%x\n",
4061                          vport->fc_flag, vport->port_state, cmdcode);
4062         ctreq = (struct lpfc_sli_ct_request *)mp->virt;
4063         data = mp->virt;
4064         /* First populate the CT_IU preamble */
4065         memset(data, 0, LPFC_BPL_SIZE);
4066         ctreq->RevisionId.bits.Revision = SLI_CT_REVISION;
4067         ctreq->RevisionId.bits.InId = 0;
4068
4069         ctreq->FsType = SLI_CT_MANAGEMENT_SERVICE;
4070         ctreq->FsSubType = SLI_CT_APP_SEV_Subtypes;
4071
4072         ctreq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
4073         rsp_size = LPFC_BPL_SIZE;
4074         size = 0;
4075
4076         switch (cmdcode) {
4077         case SLI_CTAS_RAPP_IDENT:
4078                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4079                                  "1329 RAPP_IDENT for %s\n", vmid->host_vmid);
4080                 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
4081                 rap = (struct lpfc_vmid_rapp_ident_list *)
4082                         (DAPP_IDENT_OFFSET + data);
4083                 rap->no_of_objects = cpu_to_be32(1);
4084                 rap->obj[0].entity_id_len = vmid->vmid_len;
4085                 memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
4086                 size = RAPP_IDENT_OFFSET +
4087                         sizeof(struct lpfc_vmid_rapp_ident_list);
4088                 retry = 1;
4089                 break;
4090
4091         case SLI_CTAS_GALLAPPIA_ID:
4092                 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
4093                 size = GALLAPPIA_ID_SIZE;
4094                 break;
4095
4096         case SLI_CTAS_DAPP_IDENT:
4097                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4098                                  "1469 DAPP_IDENT for %s\n", vmid->host_vmid);
4099                 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
4100                 dap = (struct lpfc_vmid_dapp_ident_list *)
4101                         (DAPP_IDENT_OFFSET + data);
4102                 dap->no_of_objects = cpu_to_be32(1);
4103                 dap->obj[0].entity_id_len = vmid->vmid_len;
4104                 memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
4105                 size = DAPP_IDENT_OFFSET +
4106                         sizeof(struct lpfc_vmid_dapp_ident_list);
4107                 write_lock(&vport->vmid_lock);
4108                 vmid->flag &= ~LPFC_VMID_REGISTERED;
4109                 write_unlock(&vport->vmid_lock);
4110                 retry = 1;
4111                 break;
4112
4113         case SLI_CTAS_DALLAPP_ID:
4114                 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
4115                 size = DALLAPP_ID_SIZE;
4116                 break;
4117
4118         default:
4119                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4120                                  "7062 VMID cmdcode x%x not supported\n",
4121                                  cmdcode);
4122                 goto vmid_free_all_mem;
4123         }
4124
4125         ctreq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
4126
4127         bpl = (struct ulp_bde64 *)bmp->virt;
4128         bpl->addrHigh = putPaddrHigh(mp->phys);
4129         bpl->addrLow = putPaddrLow(mp->phys);
4130         bpl->tus.f.bdeFlags = 0;
4131         bpl->tus.f.bdeSize = size;
4132
4133         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
4134          * to hold ndlp reference for the corresponding callback function.
4135          */
4136         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry))
4137                 return 0;
4138
4139  vmid_free_all_mem:
4140         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
4141  vmid_free_bmp_virt_exit:
4142         kfree(bmp);
4143  vmid_free_bmp_exit:
4144         lpfc_mbuf_free(phba, mp->virt, mp->phys);
4145  vmid_free_mp_virt_exit:
4146         kfree(mp);
4147  vmid_free_mp_exit:
4148
4149         /* Issue CT request failed */
4150         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4151                          "3276 VMID CT request failed Data: x%x\n", cmdcode);
4152         return -EIO;
4153 }