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) 2017-2018 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_nvme.h"
  48 #include "lpfc_logmsg.h"
  49 #include "lpfc_crtn.h"
  50 #include "lpfc_version.h"
  51 #include "lpfc_vport.h"
  52 #include "lpfc_debugfs.h"
  53
  54 /* FDMI Port Speed definitions - FC-GS-7 */
  55 #define HBA_PORTSPEED_1GFC              0x00000001      /* 1G FC */
  56 #define HBA_PORTSPEED_2GFC              0x00000002      /* 2G FC */
  57 #define HBA_PORTSPEED_4GFC              0x00000008      /* 4G FC */
  58 #define HBA_PORTSPEED_10GFC             0x00000004      /* 10G FC */
  59 #define HBA_PORTSPEED_8GFC              0x00000010      /* 8G FC */
  60 #define HBA_PORTSPEED_16GFC             0x00000020      /* 16G FC */
  61 #define HBA_PORTSPEED_32GFC             0x00000040      /* 32G FC */
  62 #define HBA_PORTSPEED_20GFC             0x00000080      /* 20G FC */
  63 #define HBA_PORTSPEED_40GFC             0x00000100      /* 40G FC */
  64 #define HBA_PORTSPEED_128GFC            0x00000200      /* 128G FC */
  65 #define HBA_PORTSPEED_64GFC             0x00000400      /* 64G FC */
  66 #define HBA_PORTSPEED_256GFC            0x00000800      /* 256G FC */
  67 #define HBA_PORTSPEED_UNKNOWN           0x00008000      /* Unknown */
  68 #define HBA_PORTSPEED_10GE              0x00010000      /* 10G E */
  69 #define HBA_PORTSPEED_40GE              0x00020000      /* 40G E */
  70 #define HBA_PORTSPEED_100GE             0x00040000      /* 100G E */
  71 #define HBA_PORTSPEED_25GE              0x00080000      /* 25G E */
  72 #define HBA_PORTSPEED_50GE              0x00100000      /* 50G E */
  73 #define HBA_PORTSPEED_400GE             0x00200000      /* 400G E */
  74
  75 #define FOURBYTES       4
  76
  77
  78 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
  79
  80 static void
  81 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  82                           struct lpfc_dmabuf *mp, uint32_t size)
  83 {
  84         if (!mp) {
  85                 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  86                                 "0146 Ignoring unsolicited CT No HBQ "
  87                                 "status = x%x\n",
  88                                 piocbq->iocb.ulpStatus);
  89         }
  90         lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  91                         "0145 Ignoring unsolicted CT HBQ Size:%d "
  92                         "status = x%x\n",
  93                         size, piocbq->iocb.ulpStatus);
  94 }
  95
  96 static void
  97 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  98                      struct lpfc_dmabuf *mp, uint32_t size)
  99 {
 100         lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
 101 }
 102
 103 void
 104 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 105                     struct lpfc_iocbq *piocbq)
 106 {
 107         struct lpfc_dmabuf *mp = NULL;
 108         IOCB_t *icmd = &piocbq->iocb;
 109         int i;
 110         struct lpfc_iocbq *iocbq;
 111         dma_addr_t paddr;
 112         uint32_t size;
 113         struct list_head head;
 114         struct lpfc_dmabuf *bdeBuf;
 115
 116         if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
 117                 return;
 118
 119         if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
 120                 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
 121         } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 122                    ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
 123                    IOERR_RCV_BUFFER_WAITING)) {
 124                 /* Not enough posted buffers; Try posting more buffers */
 125                 phba->fc_stat.NoRcvBuf++;
 126                 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 127                         lpfc_post_buffer(phba, pring, 2);
 128                 return;
 129         }
 130
 131         /* If there are no BDEs associated with this IOCB,
 132          * there is nothing to do.
 133          */
 134         if (icmd->ulpBdeCount == 0)
 135                 return;
 136
 137         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 138                 INIT_LIST_HEAD(&head);
 139                 list_add_tail(&head, &piocbq->list);
 140                 list_for_each_entry(iocbq, &head, list) {
 141                         icmd = &iocbq->iocb;
 142                         if (icmd->ulpBdeCount == 0)
 143                                 continue;
 144                         bdeBuf = iocbq->context2;
 145                         iocbq->context2 = NULL;
 146                         size  = icmd->un.cont64[0].tus.f.bdeSize;
 147                         lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
 148                         lpfc_in_buf_free(phba, bdeBuf);
 149                         if (icmd->ulpBdeCount == 2) {
 150                                 bdeBuf = iocbq->context3;
 151                                 iocbq->context3 = NULL;
 152                                 size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
 153                                 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
 154                                                      size);
 155                                 lpfc_in_buf_free(phba, bdeBuf);
 156                         }
 157                 }
 158                 list_del(&head);
 159         } else {
 160                 INIT_LIST_HEAD(&head);
 161                 list_add_tail(&head, &piocbq->list);
 162                 list_for_each_entry(iocbq, &head, list) {
 163                         icmd = &iocbq->iocb;
 164                         if (icmd->ulpBdeCount == 0)
 165                                 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 166                         for (i = 0; i < icmd->ulpBdeCount; i++) {
 167                                 paddr = getPaddr(icmd->un.cont64[i].addrHigh,
 168                                                  icmd->un.cont64[i].addrLow);
 169                                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
 170                                                               paddr);
 171                                 size = icmd->un.cont64[i].tus.f.bdeSize;
 172                                 lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 173                                 lpfc_in_buf_free(phba, mp);
 174                         }
 175                         lpfc_post_buffer(phba, pring, i);
 176                 }
 177                 list_del(&head);
 178         }
 179 }
 180
 181 /**
 182  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
 183  * @phba: Pointer to HBA context object.
 184  * @dmabuf: pointer to a dmabuf that describes the FC sequence
 185  *
 186  * This function serves as the upper level protocol abort handler for CT
 187  * protocol.
 188  *
 189  * Return 1 if abort has been handled, 0 otherwise.
 190  **/
 191 int
 192 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
 193 {
 194         int handled;
 195
 196         /* CT upper level goes through BSG */
 197         handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
 198
 199         return handled;
 200 }
 201
 202 static void
 203 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 204 {
 205         struct lpfc_dmabuf *mlast, *next_mlast;
 206
 207         list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 208                 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 209                 list_del(&mlast->list);
 210                 kfree(mlast);
 211         }
 212         lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 213         kfree(mlist);
 214         return;
 215 }
 216
 217 static struct lpfc_dmabuf *
 218 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 219                   uint32_t size, int *entries)
 220 {
 221         struct lpfc_dmabuf *mlist = NULL;
 222         struct lpfc_dmabuf *mp;
 223         int cnt, i = 0;
 224
 225         /* We get chunks of FCELSSIZE */
 226         cnt = size > FCELSSIZE ? FCELSSIZE: size;
 227
 228         while (size) {
 229                 /* Allocate buffer for rsp payload */
 230                 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 231                 if (!mp) {
 232                         if (mlist)
 233                                 lpfc_free_ct_rsp(phba, mlist);
 234                         return NULL;
 235                 }
 236
 237                 INIT_LIST_HEAD(&mp->list);
 238
 239                 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 240                     cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 241                         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 242                 else
 243                         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 244
 245                 if (!mp->virt) {
 246                         kfree(mp);
 247                         if (mlist)
 248                                 lpfc_free_ct_rsp(phba, mlist);
 249                         return NULL;
 250                 }
 251
 252                 /* Queue it to a linked list */
 253                 if (!mlist)
 254                         mlist = mp;
 255                 else
 256                         list_add_tail(&mp->list, &mlist->list);
 257
 258                 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 259                 /* build buffer ptr list for IOCB */
 260                 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 261                 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 262                 bpl->tus.f.bdeSize = (uint16_t) cnt;
 263                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
 264                 bpl++;
 265
 266                 i++;
 267                 size -= cnt;
 268         }
 269
 270         *entries = i;
 271         return mlist;
 272 }
 273
 274 int
 275 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 276 {
 277         struct lpfc_dmabuf *buf_ptr;
 278
 279         if (ctiocb->context_un.ndlp) {
 280                 lpfc_nlp_put(ctiocb->context_un.ndlp);
 281                 ctiocb->context_un.ndlp = NULL;
 282         }
 283         if (ctiocb->context1) {
 284                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
 285                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 286                 kfree(buf_ptr);
 287                 ctiocb->context1 = NULL;
 288         }
 289         if (ctiocb->context2) {
 290                 lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
 291                 ctiocb->context2 = NULL;
 292         }
 293
 294         if (ctiocb->context3) {
 295                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
 296                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 297                 kfree(buf_ptr);
 298                 ctiocb->context3 = NULL;
 299         }
 300         lpfc_sli_release_iocbq(phba, ctiocb);
 301         return 0;
 302 }
 303
 304 /**
 305  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
 306  * @vport: pointer to a host virtual N_Port data structure.
 307  * @bmp: Pointer to BPL for SLI command
 308  * @inp: Pointer to data buffer for response data.
 309  * @outp: Pointer to data buffer that hold the CT command.
 310  * @cmpl: completion routine to call when command completes
 311  * @ndlp: Destination NPort nodelist entry
 312  *
 313  * This function as the final part for issuing a CT command.
 314  */
 315 static int
 316 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 317              struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 318              void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 319                      struct lpfc_iocbq *),
 320              struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
 321              uint32_t tmo, uint8_t retry)
 322 {
 323         struct lpfc_hba  *phba = vport->phba;
 324         IOCB_t *icmd;
 325         struct lpfc_iocbq *geniocb;
 326         int rc;
 327
 328         /* Allocate buffer for  command iocb */
 329         geniocb = lpfc_sli_get_iocbq(phba);
 330
 331         if (geniocb == NULL)
 332                 return 1;
 333
 334         icmd = &geniocb->iocb;
 335         icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 336         icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 337         icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 338         icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 339         icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64));
 340
 341         if (usr_flg)
 342                 geniocb->context3 = NULL;
 343         else
 344                 geniocb->context3 = (uint8_t *) bmp;
 345
 346         /* Save for completion so we can release these resources */
 347         geniocb->context1 = (uint8_t *) inp;
 348         geniocb->context2 = (uint8_t *) outp;
 349         geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
 350
 351         /* Fill in payload, bp points to frame payload */
 352         icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
 353
 354         /* Fill in rest of iocb */
 355         icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 356         icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 357         icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
 358         icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 359
 360         if (!tmo) {
 361                  /* FC spec states we need 3 * ratov for CT requests */
 362                 tmo = (3 * phba->fc_ratov);
 363         }
 364         icmd->ulpTimeout = tmo;
 365         icmd->ulpBdeCount = 1;
 366         icmd->ulpLe = 1;
 367         icmd->ulpClass = CLASS3;
 368         icmd->ulpContext = ndlp->nlp_rpi;
 369         if (phba->sli_rev == LPFC_SLI_REV4)
 370                 icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 371
 372         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 373                 /* For GEN_REQUEST64_CR, use the RPI */
 374                 icmd->ulpCt_h = 0;
 375                 icmd->ulpCt_l = 0;
 376         }
 377
 378         /* Issue GEN REQ IOCB for NPORT <did> */
 379         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 380                          "0119 Issue GEN REQ IOCB to NPORT x%x "
 381                          "Data: x%x x%x\n",
 382                          ndlp->nlp_DID, icmd->ulpIoTag,
 383                          vport->port_state);
 384         geniocb->iocb_cmpl = cmpl;
 385         geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 386         geniocb->vport = vport;
 387         geniocb->retry = retry;
 388         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
 389
 390         if (rc == IOCB_ERROR) {
 391                 lpfc_sli_release_iocbq(phba, geniocb);
 392                 return 1;
 393         }
 394
 395         return 0;
 396 }
 397
 398 /**
 399  * lpfc_ct_cmd - Build and issue a CT command
 400  * @vport: pointer to a host virtual N_Port data structure.
 401  * @inmp: Pointer to data buffer for response data.
 402  * @bmp: Pointer to BPL for SLI command
 403  * @ndlp: Destination NPort nodelist entry
 404  * @cmpl: completion routine to call when command completes
 405  *
 406  * This function is called for issuing a CT command.
 407  */
 408 static int
 409 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 410             struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 411             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 412                           struct lpfc_iocbq *),
 413             uint32_t rsp_size, uint8_t retry)
 414 {
 415         struct lpfc_hba  *phba = vport->phba;
 416         struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 417         struct lpfc_dmabuf *outmp;
 418         int cnt = 0, status;
 419         int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 420                 CommandResponse.bits.CmdRsp;
 421
 422         bpl++;                  /* Skip past ct request */
 423
 424         /* Put buffer(s) for ct rsp in bpl */
 425         outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 426         if (!outmp)
 427                 return -ENOMEM;
 428         /*
 429          * Form the CT IOCB.  The total number of BDEs in this IOCB
 430          * is the single command plus response count from
 431          * lpfc_alloc_ct_rsp.
 432          */
 433         cnt += 1;
 434         status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
 435                               cnt, 0, retry);
 436         if (status) {
 437                 lpfc_free_ct_rsp(phba, outmp);
 438                 return -ENOMEM;
 439         }
 440         return 0;
 441 }
 442
 443 struct lpfc_vport *
 444 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 445         struct lpfc_vport *vport_curr;
 446         unsigned long flags;
 447
 448         spin_lock_irqsave(&phba->hbalock, flags);
 449         list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 450                 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 451                         spin_unlock_irqrestore(&phba->hbalock, flags);
 452                         return vport_curr;
 453                 }
 454         }
 455         spin_unlock_irqrestore(&phba->hbalock, flags);
 456         return NULL;
 457 }
 458
 459 static void
 460 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 461 {
 462         struct lpfc_nodelist *ndlp;
 463
 464         if ((vport->port_type != LPFC_NPIV_PORT) ||
 465             !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
 466
 467                 ndlp = lpfc_setup_disc_node(vport, Did);
 468
 469                 if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 470                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 471                                 "Parse GID_FTrsp: did:x%x flg:x%x x%x",
 472                                 Did, ndlp->nlp_flag, vport->fc_flag);
 473
 474                         /* Don't assume the rport is always the previous
 475                          * FC4 type.
 476                          */
 477                         ndlp->nlp_fc4_type &= ~(NLP_FC4_FCP | NLP_FC4_NVME);
 478
 479                         /* By default, the driver expects to support FCP FC4 */
 480                         if (fc4_type == FC_TYPE_FCP)
 481                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 482
 483                         if (fc4_type == FC_TYPE_NVME)
 484                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 485
 486                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 487                                          "0238 Process x%06x NameServer Rsp "
 488                                          "Data: x%x x%x x%x x%x\n", Did,
 489                                          ndlp->nlp_flag, ndlp->nlp_fc4_type,
 490                                          vport->fc_flag,
 491                                          vport->fc_rscn_id_cnt);
 492                 } else {
 493                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 494                                 "Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 495                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 496
 497                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 498                                          "0239 Skip x%06x NameServer Rsp "
 499                                          "Data: x%x x%x\n", Did,
 500                                          vport->fc_flag,
 501                                          vport->fc_rscn_id_cnt);
 502                 }
 503         } else {
 504                 if (!(vport->fc_flag & FC_RSCN_MODE) ||
 505                     lpfc_rscn_payload_check(vport, Did)) {
 506                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 507                                 "Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
 508                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 509
 510                         /*
 511                          * This NPortID was previously a FCP/NVMe target,
 512                          * Don't even bother to send GFF_ID.
 513                          */
 514                         ndlp = lpfc_findnode_did(vport, Did);
 515                         if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
 516                             (ndlp->nlp_type &
 517                             (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
 518                                 if (fc4_type == FC_TYPE_FCP)
 519                                         ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 520                                 if (fc4_type == FC_TYPE_NVME)
 521                                         ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 522                                 lpfc_setup_disc_node(vport, Did);
 523                         } else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 524                                    0, Did) == 0)
 525                                 vport->num_disc_nodes++;
 526                         else
 527                                 lpfc_setup_disc_node(vport, Did);
 528                 } else {
 529                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 530                                 "Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 531                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 532
 533                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 534                                          "0245 Skip x%06x NameServer Rsp "
 535                                          "Data: x%x x%x\n", Did,
 536                                          vport->fc_flag,
 537                                          vport->fc_rscn_id_cnt);
 538                 }
 539         }
 540 }
 541
 542 static void
 543 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 544 {
 545         struct lpfc_hba *phba = vport->phba;
 546         struct lpfc_nodelist *ndlp = NULL;
 547         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 548
 549         /*
 550          * To conserve rpi's, filter out addresses for other
 551          * vports on the same physical HBAs.
 552          */
 553         if (Did != vport->fc_myDID &&
 554             (!lpfc_find_vport_by_did(phba, Did) ||
 555              vport->cfg_peer_port_login)) {
 556                 if (!phba->nvmet_support) {
 557                         /* FCPI/NVMEI path. Process Did */
 558                         lpfc_prep_node_fc4type(vport, Did, fc4_type);
 559                         return;
 560                 }
 561                 /* NVMET path.  NVMET only cares about NVMEI nodes. */
 562                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 563                         if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
 564                             ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
 565                                 continue;
 566                         spin_lock_irq(shost->host_lock);
 567                         if (ndlp->nlp_DID == Did)
 568                                 ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 569                         else
 570                                 ndlp->nlp_flag |= NLP_NVMET_RECOV;
 571                         spin_unlock_irq(shost->host_lock);
 572                 }
 573         }
 574 }
 575
 576 static int
 577 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
 578             uint32_t Size)
 579 {
 580         struct lpfc_sli_ct_request *Response =
 581                 (struct lpfc_sli_ct_request *) mp->virt;
 582         struct lpfc_dmabuf *mlast, *next_mp;
 583         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 584         uint32_t Did, CTentry;
 585         int Cnt;
 586         struct list_head head;
 587         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 588         struct lpfc_nodelist *ndlp = NULL;
 589
 590         lpfc_set_disctmo(vport);
 591         vport->num_disc_nodes = 0;
 592         vport->fc_ns_retry = 0;
 593
 594
 595         list_add_tail(&head, &mp->list);
 596         list_for_each_entry_safe(mp, next_mp, &head, list) {
 597                 mlast = mp;
 598
 599                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 600
 601                 Size -= Cnt;
 602
 603                 if (!ctptr) {
 604                         ctptr = (uint32_t *) mlast->virt;
 605                 } else
 606                         Cnt -= 16;      /* subtract length of CT header */
 607
 608                 /* Loop through entire NameServer list of DIDs */
 609                 while (Cnt >= sizeof(uint32_t)) {
 610                         /* Get next DID from NameServer List */
 611                         CTentry = *ctptr++;
 612                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 613                         lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
 614                         if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
 615                                 goto nsout1;
 616
 617                         Cnt -= sizeof(uint32_t);
 618                 }
 619                 ctptr = NULL;
 620
 621         }
 622
 623         /* All GID_FT entries processed.  If the driver is running in
 624          * in target mode, put impacted nodes into recovery and drop
 625          * the RPI to flush outstanding IO.
 626          */
 627         if (vport->phba->nvmet_support) {
 628                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 629                         if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
 630                                 continue;
 631                         lpfc_disc_state_machine(vport, ndlp, NULL,
 632                                                 NLP_EVT_DEVICE_RECOVERY);
 633                         spin_lock_irq(shost->host_lock);
 634                         ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 635                         spin_unlock_irq(shost->host_lock);
 636                 }
 637         }
 638
 639 nsout1:
 640         list_del(&head);
 641         return 0;
 642 }
 643
 644 static void
 645 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 646                         struct lpfc_iocbq *rspiocb)
 647 {
 648         struct lpfc_vport *vport = cmdiocb->vport;
 649         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 650         IOCB_t *irsp;
 651         struct lpfc_dmabuf *outp;
 652         struct lpfc_dmabuf *inp;
 653         struct lpfc_sli_ct_request *CTrsp;
 654         struct lpfc_sli_ct_request *CTreq;
 655         struct lpfc_nodelist *ndlp;
 656         int rc, type;
 657
 658         /* First save ndlp, before we overwrite it */
 659         ndlp = cmdiocb->context_un.ndlp;
 660
 661         /* we pass cmdiocb to state machine which needs rspiocb as well */
 662         cmdiocb->context_un.rsp_iocb = rspiocb;
 663         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 664         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 665         irsp = &rspiocb->iocb;
 666
 667         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 668                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 669                 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 670
 671         /* Don't bother processing response if vport is being torn down. */
 672         if (vport->load_flag & FC_UNLOADING) {
 673                 if (vport->fc_flag & FC_RSCN_MODE)
 674                         lpfc_els_flush_rscn(vport);
 675                 goto out;
 676         }
 677
 678         if (lpfc_els_chk_latt(vport)) {
 679                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 680                                  "0216 Link event during NS query\n");
 681                 if (vport->fc_flag & FC_RSCN_MODE)
 682                         lpfc_els_flush_rscn(vport);
 683                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 684                 goto out;
 685         }
 686         if (lpfc_error_lost_link(irsp)) {
 687                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 688                                  "0226 NS query failed due to link event\n");
 689                 if (vport->fc_flag & FC_RSCN_MODE)
 690                         lpfc_els_flush_rscn(vport);
 691                 goto out;
 692         }
 693
 694         spin_lock_irq(shost->host_lock);
 695         if (vport->fc_flag & FC_RSCN_DEFERRED) {
 696                 vport->fc_flag &= ~FC_RSCN_DEFERRED;
 697                 spin_unlock_irq(shost->host_lock);
 698
 699                 /* This is a GID_FT completing so the gidft_inp counter was
 700                  * incremented before the GID_FT was issued to the wire.
 701                  */
 702                 vport->gidft_inp--;
 703
 704                 /*
 705                  * Skip processing the NS response
 706                  * Re-issue the NS cmd
 707                  */
 708                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 709                                  "0151 Process Deferred RSCN Data: x%x x%x\n",
 710                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 711                 lpfc_els_handle_rscn(vport);
 712
 713                 goto out;
 714         }
 715         spin_unlock_irq(shost->host_lock);
 716
 717         if (irsp->ulpStatus) {
 718                 /* Check for retry */
 719                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 720                         if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
 721                             (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
 722                             IOERR_NO_RESOURCES)
 723                                 vport->fc_ns_retry++;
 724
 725                         type = lpfc_get_gidft_type(vport, cmdiocb);
 726                         if (type == 0)
 727                                 goto out;
 728
 729                         /* CT command is being retried */
 730                         vport->gidft_inp--;
 731                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
 732                                          vport->fc_ns_retry, type);
 733                         if (rc == 0)
 734                                 goto out;
 735                 }
 736                 if (vport->fc_flag & FC_RSCN_MODE)
 737                         lpfc_els_flush_rscn(vport);
 738                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 739                 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 740                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
 741                                  irsp->ulpStatus, vport->fc_ns_retry);
 742         } else {
 743                 /* Good status, continue checking */
 744                 CTreq = (struct lpfc_sli_ct_request *) inp->virt;
 745                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 746                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 747                     cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
 748                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 749                                          "0208 NameServer Rsp Data: x%x x%x\n",
 750                                          vport->fc_flag,
 751                                          CTreq->un.gid.Fc4Type);
 752
 753                         lpfc_ns_rsp(vport,
 754                                     outp,
 755                                     CTreq->un.gid.Fc4Type,
 756                                     (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
 757                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 758                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 759                         /* NameServer Rsp Error */
 760                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 761                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 762                                 lpfc_printf_vlog(vport, KERN_INFO,
 763                                         LOG_DISCOVERY,
 764                                         "0269 No NameServer Entries "
 765                                         "Data: x%x x%x x%x x%x\n",
 766                                         CTrsp->CommandResponse.bits.CmdRsp,
 767                                         (uint32_t) CTrsp->ReasonCode,
 768                                         (uint32_t) CTrsp->Explanation,
 769                                         vport->fc_flag);
 770
 771                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 772                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
 773                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 774                                 (uint32_t) CTrsp->ReasonCode,
 775                                 (uint32_t) CTrsp->Explanation);
 776                         } else {
 777                                 lpfc_printf_vlog(vport, KERN_INFO,
 778                                         LOG_DISCOVERY,
 779                                         "0240 NameServer Rsp Error "
 780                                         "Data: x%x x%x x%x x%x\n",
 781                                         CTrsp->CommandResponse.bits.CmdRsp,
 782                                         (uint32_t) CTrsp->ReasonCode,
 783                                         (uint32_t) CTrsp->Explanation,
 784                                         vport->fc_flag);
 785
 786                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 787                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
 788                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 789                                 (uint32_t) CTrsp->ReasonCode,
 790                                 (uint32_t) CTrsp->Explanation);
 791                         }
 792
 793
 794                 } else {
 795                         /* NameServer Rsp Error */
 796                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 797                                         "0241 NameServer Rsp Error "
 798                                         "Data: x%x x%x x%x x%x\n",
 799                                         CTrsp->CommandResponse.bits.CmdRsp,
 800                                         (uint32_t) CTrsp->ReasonCode,
 801                                         (uint32_t) CTrsp->Explanation,
 802                                         vport->fc_flag);
 803
 804                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 805                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
 806                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 807                                 (uint32_t) CTrsp->ReasonCode,
 808                                 (uint32_t) CTrsp->Explanation);
 809                 }
 810                 vport->gidft_inp--;
 811         }
 812         /* Link up / RSCN discovery */
 813         if ((vport->num_disc_nodes == 0) &&
 814             (vport->gidft_inp == 0)) {
 815                 /*
 816                  * The driver has cycled through all Nports in the RSCN payload.
 817                  * Complete the handling by cleaning up and marking the
 818                  * current driver state.
 819                  */
 820                 if (vport->port_state >= LPFC_DISC_AUTH) {
 821                         if (vport->fc_flag & FC_RSCN_MODE) {
 822                                 lpfc_els_flush_rscn(vport);
 823                                 spin_lock_irq(shost->host_lock);
 824                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 825                                 spin_unlock_irq(shost->host_lock);
 826                         }
 827                         else
 828                                 lpfc_els_flush_rscn(vport);
 829                 }
 830
 831                 lpfc_disc_start(vport);
 832         }
 833 out:
 834         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 835         lpfc_ct_free_iocb(phba, cmdiocb);
 836         return;
 837 }
 838
 839 static void
 840 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 841                         struct lpfc_iocbq *rspiocb)
 842 {
 843         struct lpfc_vport *vport = cmdiocb->vport;
 844         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 845         IOCB_t *irsp = &rspiocb->iocb;
 846         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 847         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 848         struct lpfc_sli_ct_request *CTrsp;
 849         int did, rc, retry;
 850         uint8_t fbits;
 851         struct lpfc_nodelist *ndlp;
 852
 853         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
 854         did = be32_to_cpu(did);
 855
 856         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 857                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
 858                 irsp->ulpStatus, irsp->un.ulpWord[4], did);
 859
 860         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 861                 /* Good status, continue checking */
 862                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 863                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
 864
 865                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 866                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 867                         if ((fbits & FC4_FEATURE_INIT) &&
 868                             !(fbits & FC4_FEATURE_TARGET)) {
 869                                 lpfc_printf_vlog(vport, KERN_INFO,
 870                                                  LOG_DISCOVERY,
 871                                                  "0270 Skip x%x GFF "
 872                                                  "NameServer Rsp Data: (init) "
 873                                                  "x%x x%x\n", did, fbits,
 874                                                  vport->fc_rscn_id_cnt);
 875                                 goto out;
 876                         }
 877                 }
 878         }
 879         else {
 880                 /* Check for retry */
 881                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
 882                         retry = 1;
 883                         if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
 884                                 switch ((irsp->un.ulpWord[4] &
 885                                         IOERR_PARAM_MASK)) {
 886
 887                                 case IOERR_NO_RESOURCES:
 888                                         /* We don't increment the retry
 889                                          * count for this case.
 890                                          */
 891                                         break;
 892                                 case IOERR_LINK_DOWN:
 893                                 case IOERR_SLI_ABORTED:
 894                                 case IOERR_SLI_DOWN:
 895                                         retry = 0;
 896                                         break;
 897                                 default:
 898                                         cmdiocb->retry++;
 899                                 }
 900                         }
 901                         else
 902                                 cmdiocb->retry++;
 903
 904                         if (retry) {
 905                                 /* CT command is being retried */
 906                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 907                                          cmdiocb->retry, did);
 908                                 if (rc == 0) {
 909                                         /* success */
 910                                         lpfc_ct_free_iocb(phba, cmdiocb);
 911                                         return;
 912                                 }
 913                         }
 914                 }
 915                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 916                                  "0267 NameServer GFF Rsp "
 917                                  "x%x Error (%d %d) Data: x%x x%x\n",
 918                                  did, irsp->ulpStatus, irsp->un.ulpWord[4],
 919                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 920         }
 921
 922         /* This is a target port, unregistered port, or the GFF_ID failed */
 923         ndlp = lpfc_setup_disc_node(vport, did);
 924         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 925                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 926                                  "0242 Process x%x GFF "
 927                                  "NameServer Rsp Data: x%x x%x x%x\n",
 928                                  did, ndlp->nlp_flag, vport->fc_flag,
 929                                  vport->fc_rscn_id_cnt);
 930         } else {
 931                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 932                                  "0243 Skip x%x GFF "
 933                                  "NameServer Rsp Data: x%x x%x\n", did,
 934                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 935         }
 936 out:
 937         /* Link up / RSCN discovery */
 938         if (vport->num_disc_nodes)
 939                 vport->num_disc_nodes--;
 940         if (vport->num_disc_nodes == 0) {
 941                 /*
 942                  * The driver has cycled through all Nports in the RSCN payload.
 943                  * Complete the handling by cleaning up and marking the
 944                  * current driver state.
 945                  */
 946                 if (vport->port_state >= LPFC_DISC_AUTH) {
 947                         if (vport->fc_flag & FC_RSCN_MODE) {
 948                                 lpfc_els_flush_rscn(vport);
 949                                 spin_lock_irq(shost->host_lock);
 950                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 951                                 spin_unlock_irq(shost->host_lock);
 952                         }
 953                         else
 954                                 lpfc_els_flush_rscn(vport);
 955                 }
 956                 lpfc_disc_start(vport);
 957         }
 958         lpfc_ct_free_iocb(phba, cmdiocb);
 959         return;
 960 }
 961
 962 static void
 963 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 964                                 struct lpfc_iocbq *rspiocb)
 965 {
 966         struct lpfc_vport *vport = cmdiocb->vport;
 967         IOCB_t *irsp = &rspiocb->iocb;
 968         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
 969         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
 970         struct lpfc_sli_ct_request *CTrsp;
 971         int did;
 972         struct lpfc_nodelist *ndlp;
 973         uint32_t fc4_data_0, fc4_data_1;
 974
 975         did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
 976         did = be32_to_cpu(did);
 977
 978         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 979                               "GFT_ID cmpl: status:x%x/x%x did:x%x",
 980                               irsp->ulpStatus, irsp->un.ulpWord[4], did);
 981
 982         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 983                 /* Good status, continue checking */
 984                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
 985                 fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
 986                 fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
 987                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 988                                  "3062 DID x%06x GFT Wd0 x%08x Wd1 x%08x\n",
 989                                  did, fc4_data_0, fc4_data_1);
 990
 991                 ndlp = lpfc_findnode_did(vport, did);
 992                 if (ndlp) {
 993                         /* The bitmask value for FCP and NVME FCP types is
 994                          * the same because they are 32 bits distant from
 995                          * each other in word0 and word0.
 996                          */
 997                         if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
 998                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 999                         if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1000                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1001                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1002                                          "3064 Setting ndlp %p, DID x%06x with "
1003                                          "FC4 x%08x, Data: x%08x x%08x\n",
1004                                          ndlp, did, ndlp->nlp_fc4_type,
1005                                          FC_TYPE_FCP, FC_TYPE_NVME);
1006                         ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1007
1008                         lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
1009                         lpfc_issue_els_prli(vport, ndlp, 0);
1010                 }
1011         } else
1012                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1013                                  "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
1014
1015         lpfc_ct_free_iocb(phba, cmdiocb);
1016 }
1017
1018 static void
1019 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1020              struct lpfc_iocbq *rspiocb)
1021 {
1022         struct lpfc_vport *vport = cmdiocb->vport;
1023         struct lpfc_dmabuf *inp;
1024         struct lpfc_dmabuf *outp;
1025         IOCB_t *irsp;
1026         struct lpfc_sli_ct_request *CTrsp;
1027         struct lpfc_nodelist *ndlp;
1028         int cmdcode, rc;
1029         uint8_t retry;
1030         uint32_t latt;
1031
1032         /* First save ndlp, before we overwrite it */
1033         ndlp = cmdiocb->context_un.ndlp;
1034
1035         /* we pass cmdiocb to state machine which needs rspiocb as well */
1036         cmdiocb->context_un.rsp_iocb = rspiocb;
1037
1038         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1039         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1040         irsp = &rspiocb->iocb;
1041
1042         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1043                                         CommandResponse.bits.CmdRsp);
1044         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1045
1046         latt = lpfc_els_chk_latt(vport);
1047
1048         /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
1049         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1050                          "0209 CT Request completes, latt %d, "
1051                          "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1052                          latt, irsp->ulpStatus,
1053                          CTrsp->CommandResponse.bits.CmdRsp,
1054                          cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
1055
1056         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1057                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1058                 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
1059
1060         if (irsp->ulpStatus) {
1061                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1062                                  "0268 NS cmd x%x Error (x%x x%x)\n",
1063                                  cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
1064
1065                 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1066                         (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1067                           IOERR_SLI_DOWN) ||
1068                          ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1069                           IOERR_SLI_ABORTED)))
1070                         goto out;
1071
1072                 retry = cmdiocb->retry;
1073                 if (retry >= LPFC_MAX_NS_RETRY)
1074                         goto out;
1075
1076                 retry++;
1077                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1078                                  "0250 Retrying NS cmd %x\n", cmdcode);
1079                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1080                 if (rc == 0)
1081                         goto out;
1082         }
1083
1084 out:
1085         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1086         lpfc_ct_free_iocb(phba, cmdiocb);
1087         return;
1088 }
1089
1090 static void
1091 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1092                         struct lpfc_iocbq *rspiocb)
1093 {
1094         IOCB_t *irsp = &rspiocb->iocb;
1095         struct lpfc_vport *vport = cmdiocb->vport;
1096
1097         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1098                 struct lpfc_dmabuf *outp;
1099                 struct lpfc_sli_ct_request *CTrsp;
1100
1101                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1102                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1103                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1104                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1105                         vport->ct_flags |= FC_CT_RFT_ID;
1106         }
1107         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1108         return;
1109 }
1110
1111 static void
1112 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1113                         struct lpfc_iocbq *rspiocb)
1114 {
1115         IOCB_t *irsp = &rspiocb->iocb;
1116         struct lpfc_vport *vport = cmdiocb->vport;
1117
1118         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1119                 struct lpfc_dmabuf *outp;
1120                 struct lpfc_sli_ct_request *CTrsp;
1121
1122                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1123                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1124                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1125                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1126                         vport->ct_flags |= FC_CT_RNN_ID;
1127         }
1128         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1129         return;
1130 }
1131
1132 static void
1133 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1134                          struct lpfc_iocbq *rspiocb)
1135 {
1136         IOCB_t *irsp = &rspiocb->iocb;
1137         struct lpfc_vport *vport = cmdiocb->vport;
1138
1139         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1140                 struct lpfc_dmabuf *outp;
1141                 struct lpfc_sli_ct_request *CTrsp;
1142
1143                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1144                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1145                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1146                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1147                         vport->ct_flags |= FC_CT_RSPN_ID;
1148         }
1149         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1150         return;
1151 }
1152
1153 static void
1154 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1155                          struct lpfc_iocbq *rspiocb)
1156 {
1157         IOCB_t *irsp = &rspiocb->iocb;
1158         struct lpfc_vport *vport = cmdiocb->vport;
1159
1160         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1161                 struct lpfc_dmabuf *outp;
1162                 struct lpfc_sli_ct_request *CTrsp;
1163
1164                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1165                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1166                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1167                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1168                         vport->ct_flags |= FC_CT_RSNN_NN;
1169         }
1170         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1171         return;
1172 }
1173
1174 static void
1175 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1176  struct lpfc_iocbq *rspiocb)
1177 {
1178         struct lpfc_vport *vport = cmdiocb->vport;
1179
1180         /* even if it fails we will act as though it succeeded. */
1181         vport->ct_flags = 0;
1182         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1183         return;
1184 }
1185
1186 static void
1187 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1188                         struct lpfc_iocbq *rspiocb)
1189 {
1190         IOCB_t *irsp = &rspiocb->iocb;
1191         struct lpfc_vport *vport = cmdiocb->vport;
1192
1193         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1194                 struct lpfc_dmabuf *outp;
1195                 struct lpfc_sli_ct_request *CTrsp;
1196
1197                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1198                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1199                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1200                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1201                         vport->ct_flags |= FC_CT_RFF_ID;
1202         }
1203         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1204         return;
1205 }
1206
1207 /*
1208  * Although the symbolic port name is thought to be an integer
1209  * as of January 18, 2016, leave it as a string until more of
1210  * the record state becomes defined.
1211  */
1212 int
1213 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1214         size_t size)
1215 {
1216         int n;
1217
1218         /*
1219          * Use the lpfc board number as the Symbolic Port
1220          * Name object.  NPIV is not in play so this integer
1221          * value is sufficient and unique per FC-ID.
1222          */
1223         n = snprintf(symbol, size, "%d", vport->phba->brd_no);
1224         return n;
1225 }
1226
1227
1228 int
1229 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1230         size_t size)
1231 {
1232         char fwrev[FW_REV_STR_SIZE];
1233         int n;
1234
1235         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1236
1237         n = snprintf(symbol, size, "Emulex %s", vport->phba->ModelName);
1238         if (size < n)
1239                 return n;
1240
1241         n += snprintf(symbol + n, size - n, " FV%s", fwrev);
1242         if (size < n)
1243                 return n;
1244
1245         n += snprintf(symbol + n, size - n, " DV%s.",
1246                       lpfc_release_version);
1247         if (size < n)
1248                 return n;
1249
1250         n += snprintf(symbol + n, size - n, " HN:%s.",
1251                       init_utsname()->nodename);
1252         if (size < n)
1253                 return n;
1254
1255         /* Note :- OS name is "Linux" */
1256         n += snprintf(symbol + n, size - n, " OS:%s\n",
1257                       init_utsname()->sysname);
1258         return n;
1259 }
1260
1261 static uint32_t
1262 lpfc_find_map_node(struct lpfc_vport *vport)
1263 {
1264         struct lpfc_nodelist *ndlp, *next_ndlp;
1265         struct Scsi_Host  *shost;
1266         uint32_t cnt = 0;
1267
1268         shost = lpfc_shost_from_vport(vport);
1269         spin_lock_irq(shost->host_lock);
1270         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1271                 if (ndlp->nlp_type & NLP_FABRIC)
1272                         continue;
1273                 if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1274                     (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1275                         cnt++;
1276         }
1277         spin_unlock_irq(shost->host_lock);
1278         return cnt;
1279 }
1280
1281 /*
1282  * This routine will return the FC4 Type associated with the CT
1283  * GID_FT command.
1284  */
1285 int
1286 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1287 {
1288         struct lpfc_sli_ct_request *CtReq;
1289         struct lpfc_dmabuf *mp;
1290         uint32_t type;
1291
1292         mp = cmdiocb->context1;
1293         if (mp == NULL)
1294                 return 0;
1295         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1296         type = (uint32_t)CtReq->un.gid.Fc4Type;
1297         if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1298                 return 0;
1299         return type;
1300 }
1301
1302 /*
1303  * lpfc_ns_cmd
1304  * Description:
1305  *    Issue Cmd to NameServer
1306  *       SLI_CTNS_GID_FT
1307  *       LI_CTNS_RFT_ID
1308  */
1309 int
1310 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1311             uint8_t retry, uint32_t context)
1312 {
1313         struct lpfc_nodelist * ndlp;
1314         struct lpfc_hba *phba = vport->phba;
1315         struct lpfc_dmabuf *mp, *bmp;
1316         struct lpfc_sli_ct_request *CtReq;
1317         struct ulp_bde64 *bpl;
1318         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1319                       struct lpfc_iocbq *) = NULL;
1320         uint32_t rsp_size = 1024;
1321         size_t   size;
1322         int rc = 0;
1323
1324         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1325         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1326             || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1327                 rc=1;
1328                 goto ns_cmd_exit;
1329         }
1330
1331         /* fill in BDEs for command */
1332         /* Allocate buffer for command payload */
1333         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1334         if (!mp) {
1335                 rc=2;
1336                 goto ns_cmd_exit;
1337         }
1338
1339         INIT_LIST_HEAD(&mp->list);
1340         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1341         if (!mp->virt) {
1342                 rc=3;
1343                 goto ns_cmd_free_mp;
1344         }
1345
1346         /* Allocate buffer for Buffer ptr list */
1347         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1348         if (!bmp) {
1349                 rc=4;
1350                 goto ns_cmd_free_mpvirt;
1351         }
1352
1353         INIT_LIST_HEAD(&bmp->list);
1354         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1355         if (!bmp->virt) {
1356                 rc=5;
1357                 goto ns_cmd_free_bmp;
1358         }
1359
1360         /* NameServer Req */
1361         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1362                          "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1363                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1364                          context);
1365
1366         bpl = (struct ulp_bde64 *) bmp->virt;
1367         memset(bpl, 0, sizeof(struct ulp_bde64));
1368         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1369         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1370         bpl->tus.f.bdeFlags = 0;
1371         if (cmdcode == SLI_CTNS_GID_FT)
1372                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1373         else if (cmdcode == SLI_CTNS_GFF_ID)
1374                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1375         else if (cmdcode == SLI_CTNS_GFT_ID)
1376                 bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1377         else if (cmdcode == SLI_CTNS_RFT_ID)
1378                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1379         else if (cmdcode == SLI_CTNS_RNN_ID)
1380                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1381         else if (cmdcode == SLI_CTNS_RSPN_ID)
1382                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1383         else if (cmdcode == SLI_CTNS_RSNN_NN)
1384                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1385         else if (cmdcode == SLI_CTNS_DA_ID)
1386                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1387         else if (cmdcode == SLI_CTNS_RFF_ID)
1388                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1389         else
1390                 bpl->tus.f.bdeSize = 0;
1391         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1392
1393         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1394         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1395         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1396         CtReq->RevisionId.bits.InId = 0;
1397         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1398         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1399         CtReq->CommandResponse.bits.Size = 0;
1400         switch (cmdcode) {
1401         case SLI_CTNS_GID_FT:
1402                 CtReq->CommandResponse.bits.CmdRsp =
1403                     cpu_to_be16(SLI_CTNS_GID_FT);
1404                 CtReq->un.gid.Fc4Type = context;
1405
1406                 if (vport->port_state < LPFC_NS_QRY)
1407                         vport->port_state = LPFC_NS_QRY;
1408                 lpfc_set_disctmo(vport);
1409                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1410                 rsp_size = FC_MAX_NS_RSP;
1411                 break;
1412
1413         case SLI_CTNS_GFF_ID:
1414                 CtReq->CommandResponse.bits.CmdRsp =
1415                         cpu_to_be16(SLI_CTNS_GFF_ID);
1416                 CtReq->un.gff.PortId = cpu_to_be32(context);
1417                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
1418                 break;
1419
1420         case SLI_CTNS_GFT_ID:
1421                 CtReq->CommandResponse.bits.CmdRsp =
1422                         cpu_to_be16(SLI_CTNS_GFT_ID);
1423                 CtReq->un.gft.PortId = cpu_to_be32(context);
1424                 cmpl = lpfc_cmpl_ct_cmd_gft_id;
1425                 break;
1426
1427         case SLI_CTNS_RFT_ID:
1428                 vport->ct_flags &= ~FC_CT_RFT_ID;
1429                 CtReq->CommandResponse.bits.CmdRsp =
1430                     cpu_to_be16(SLI_CTNS_RFT_ID);
1431                 CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1432
1433                 /* Register FC4 FCP type if enabled.  */
1434                 if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1435                     (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP))
1436                         CtReq->un.rft.fcpReg = 1;
1437
1438                 /* Register NVME type if enabled.  Defined LE and swapped.
1439                  * rsvd[0] is used as word1 because of the hard-coded
1440                  * word0 usage in the ct_request data structure.
1441                  */
1442                 if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1443                     (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME))
1444                         CtReq->un.rft.rsvd[0] = cpu_to_be32(0x00000100);
1445
1446                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
1447                 break;
1448
1449         case SLI_CTNS_RNN_ID:
1450                 vport->ct_flags &= ~FC_CT_RNN_ID;
1451                 CtReq->CommandResponse.bits.CmdRsp =
1452                     cpu_to_be16(SLI_CTNS_RNN_ID);
1453                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1454                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1455                        sizeof(struct lpfc_name));
1456                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1457                 break;
1458
1459         case SLI_CTNS_RSPN_ID:
1460                 vport->ct_flags &= ~FC_CT_RSPN_ID;
1461                 CtReq->CommandResponse.bits.CmdRsp =
1462                     cpu_to_be16(SLI_CTNS_RSPN_ID);
1463                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1464                 size = sizeof(CtReq->un.rspn.symbname);
1465                 CtReq->un.rspn.len =
1466                         lpfc_vport_symbolic_port_name(vport,
1467                         CtReq->un.rspn.symbname, size);
1468                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1469                 break;
1470         case SLI_CTNS_RSNN_NN:
1471                 vport->ct_flags &= ~FC_CT_RSNN_NN;
1472                 CtReq->CommandResponse.bits.CmdRsp =
1473                     cpu_to_be16(SLI_CTNS_RSNN_NN);
1474                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1475                        sizeof(struct lpfc_name));
1476                 size = sizeof(CtReq->un.rsnn.symbname);
1477                 CtReq->un.rsnn.len =
1478                         lpfc_vport_symbolic_node_name(vport,
1479                         CtReq->un.rsnn.symbname, size);
1480                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1481                 break;
1482         case SLI_CTNS_DA_ID:
1483                 /* Implement DA_ID Nameserver request */
1484                 CtReq->CommandResponse.bits.CmdRsp =
1485                         cpu_to_be16(SLI_CTNS_DA_ID);
1486                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1487                 cmpl = lpfc_cmpl_ct_cmd_da_id;
1488                 break;
1489         case SLI_CTNS_RFF_ID:
1490                 vport->ct_flags &= ~FC_CT_RFF_ID;
1491                 CtReq->CommandResponse.bits.CmdRsp =
1492                     cpu_to_be16(SLI_CTNS_RFF_ID);
1493                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1494                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1495
1496                 /* The driver always supports FC_TYPE_FCP.  However, the
1497                  * caller can specify NVME (type x28) as well.  But only
1498                  * these that FC4 type is supported.
1499                  */
1500                 if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1501                      (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
1502                     (context == FC_TYPE_NVME)) {
1503                         if ((vport == phba->pport) && phba->nvmet_support) {
1504                                 CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
1505                                         FC4_FEATURE_NVME_DISC);
1506                                 lpfc_nvmet_update_targetport(phba);
1507                         } else {
1508                                 lpfc_nvme_update_localport(vport);
1509                         }
1510                         CtReq->un.rff.type_code = context;
1511
1512                 } else if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1513                             (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
1514                            (context == FC_TYPE_FCP))
1515                         CtReq->un.rff.type_code = context;
1516
1517                 else
1518                         goto ns_cmd_free_bmpvirt;
1519
1520                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
1521                 break;
1522         }
1523         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1524          * to hold ndlp reference for the corresponding callback function.
1525          */
1526         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1527                 /* On success, The cmpl function will free the buffers */
1528                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1529                         "Issue CT cmd:    cmd:x%x did:x%x",
1530                         cmdcode, ndlp->nlp_DID, 0);
1531                 return 0;
1532         }
1533         rc=6;
1534
1535         /* Decrement ndlp reference count to release ndlp reference held
1536          * for the failed command's callback function.
1537          */
1538         lpfc_nlp_put(ndlp);
1539
1540 ns_cmd_free_bmpvirt:
1541         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1542 ns_cmd_free_bmp:
1543         kfree(bmp);
1544 ns_cmd_free_mpvirt:
1545         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1546 ns_cmd_free_mp:
1547         kfree(mp);
1548 ns_cmd_exit:
1549         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1550                          "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1551                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1552         return 1;
1553 }
1554
1555 /**
1556  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
1557  * @phba: Pointer to HBA context object.
1558  * @cmdiocb: Pointer to the command IOCBQ.
1559  * @rspiocb: Pointer to the response IOCBQ.
1560  *
1561  * This function to handle the completion of a driver initiated FDMI
1562  * CT command issued during discovery.
1563  */
1564 static void
1565 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1566                        struct lpfc_iocbq *rspiocb)
1567 {
1568         struct lpfc_vport *vport = cmdiocb->vport;
1569         struct lpfc_dmabuf *inp = cmdiocb->context1;
1570         struct lpfc_dmabuf *outp = cmdiocb->context2;
1571         struct lpfc_sli_ct_request *CTcmd = inp->virt;
1572         struct lpfc_sli_ct_request *CTrsp = outp->virt;
1573         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1574         uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1575         IOCB_t *irsp = &rspiocb->iocb;
1576         struct lpfc_nodelist *ndlp;
1577         uint32_t latt, cmd, err;
1578
1579         latt = lpfc_els_chk_latt(vport);
1580         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1581                 "FDMI cmpl:       status:x%x/x%x latt:%d",
1582                 irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1583
1584         if (latt || irsp->ulpStatus) {
1585
1586                 /* Look for a retryable error */
1587                 if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1588                         switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) {
1589                         case IOERR_SLI_ABORTED:
1590                         case IOERR_ABORT_IN_PROGRESS:
1591                         case IOERR_SEQUENCE_TIMEOUT:
1592                         case IOERR_ILLEGAL_FRAME:
1593                         case IOERR_NO_RESOURCES:
1594                         case IOERR_ILLEGAL_COMMAND:
1595                                 cmdiocb->retry++;
1596                                 if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
1597                                         break;
1598
1599                                 /* Retry the same FDMI command */
1600                                 err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
1601                                                           cmdiocb, 0);
1602                                 if (err == IOCB_ERROR)
1603                                         break;
1604                                 return;
1605                         default:
1606                                 break;
1607                         }
1608                 }
1609
1610                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1611                                  "0229 FDMI cmd %04x failed, latt = %d "
1612                                  "ulpStatus: x%x, rid x%x\n",
1613                                  be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1614                                  irsp->un.ulpWord[4]);
1615         }
1616         lpfc_ct_free_iocb(phba, cmdiocb);
1617
1618         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1619         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1620                 return;
1621
1622         /* Check for a CT LS_RJT response */
1623         cmd =  be16_to_cpu(fdmi_cmd);
1624         if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
1625                 /* FDMI rsp failed */
1626                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1627                                  "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
1628
1629                 /* Should we fallback to FDMI-2 / FDMI-1 ? */
1630                 switch (cmd) {
1631                 case SLI_MGMT_RHBA:
1632                         if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
1633                                 /* Fallback to FDMI-1 */
1634                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1635                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1636                                 /* Start over */
1637                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1638                         }
1639                         return;
1640
1641                 case SLI_MGMT_RPRT:
1642                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1643                                 /* Fallback to FDMI-1 */
1644                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1645                                 /* Start over */
1646                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1647                         }
1648                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1649                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1650                                 /* Retry the same command */
1651                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1652                         }
1653                         return;
1654
1655                 case SLI_MGMT_RPA:
1656                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1657                                 /* Fallback to FDMI-1 */
1658                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1659                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1660                                 /* Start over */
1661                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1662                         }
1663                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1664                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1665                                 /* Retry the same command */
1666                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1667                         }
1668                         return;
1669                 }
1670         }
1671
1672         /*
1673          * On success, need to cycle thru FDMI registration for discovery
1674          * DHBA -> DPRT -> RHBA -> RPA  (physical port)
1675          * DPRT -> RPRT (vports)
1676          */
1677         switch (cmd) {
1678         case SLI_MGMT_RHBA:
1679                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
1680                 break;
1681
1682         case SLI_MGMT_DHBA:
1683                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
1684                 break;
1685
1686         case SLI_MGMT_DPRT:
1687                 if (vport->port_type == LPFC_PHYSICAL_PORT)
1688                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
1689                 else
1690                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
1691                 break;
1692         }
1693         return;
1694 }
1695
1696
1697 /**
1698  * lpfc_fdmi_num_disc_check - Check how many mapped NPorts we are connected to
1699  * @vport: pointer to a host virtual N_Port data structure.
1700  *
1701  * Called from hbeat timeout routine to check if the number of discovered
1702  * ports has changed. If so, re-register thar port Attribute.
1703  */
1704 void
1705 lpfc_fdmi_num_disc_check(struct lpfc_vport *vport)
1706 {
1707         struct lpfc_hba *phba = vport->phba;
1708         struct lpfc_nodelist *ndlp;
1709         uint16_t cnt;
1710
1711         if (!lpfc_is_link_up(phba))
1712                 return;
1713
1714         /* Must be connected to a Fabric */
1715         if (!(vport->fc_flag & FC_FABRIC))
1716                 return;
1717
1718         if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
1719                 return;
1720
1721         cnt = lpfc_find_map_node(vport);
1722         if (cnt == vport->fdmi_num_disc)
1723                 return;
1724
1725         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1726         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1727                 return;
1728
1729         if (vport->port_type == LPFC_PHYSICAL_PORT) {
1730                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
1731                               LPFC_FDMI_PORT_ATTR_num_disc);
1732         } else {
1733                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
1734                               LPFC_FDMI_PORT_ATTR_num_disc);
1735         }
1736 }
1737
1738 /* Routines for all individual HBA attributes */
1739 static int
1740 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
1741 {
1742         struct lpfc_fdmi_attr_entry *ae;
1743         uint32_t size;
1744
1745         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1746         memset(ae, 0, sizeof(struct lpfc_name));
1747
1748         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
1749                sizeof(struct lpfc_name));
1750         size = FOURBYTES + sizeof(struct lpfc_name);
1751         ad->AttrLen = cpu_to_be16(size);
1752         ad->AttrType = cpu_to_be16(RHBA_NODENAME);
1753         return size;
1754 }
1755 static int
1756 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
1757                                 struct lpfc_fdmi_attr_def *ad)
1758 {
1759         struct lpfc_fdmi_attr_entry *ae;
1760         uint32_t len, size;
1761
1762         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1763         memset(ae, 0, 256);
1764
1765         strncpy(ae->un.AttrString,
1766                 "Emulex Corporation",
1767                        sizeof(ae->un.AttrString));
1768         len = strnlen(ae->un.AttrString,
1769                           sizeof(ae->un.AttrString));
1770         len += (len & 3) ? (4 - (len & 3)) : 4;
1771         size = FOURBYTES + len;
1772         ad->AttrLen = cpu_to_be16(size);
1773         ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
1774         return size;
1775 }
1776
1777 static int
1778 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
1779 {
1780         struct lpfc_hba *phba = vport->phba;
1781         struct lpfc_fdmi_attr_entry *ae;
1782         uint32_t len, size;
1783
1784         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1785         memset(ae, 0, 256);
1786
1787         strncpy(ae->un.AttrString, phba->SerialNumber,
1788                 sizeof(ae->un.AttrString));
1789         len = strnlen(ae->un.AttrString,
1790                           sizeof(ae->un.AttrString));
1791         len += (len & 3) ? (4 - (len & 3)) : 4;
1792         size = FOURBYTES + len;
1793         ad->AttrLen = cpu_to_be16(size);
1794         ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
1795         return size;
1796 }
1797
1798 static int
1799 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
1800                          struct lpfc_fdmi_attr_def *ad)
1801 {
1802         struct lpfc_hba *phba = vport->phba;
1803         struct lpfc_fdmi_attr_entry *ae;
1804         uint32_t len, size;
1805
1806         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1807         memset(ae, 0, 256);
1808
1809         strncpy(ae->un.AttrString, phba->ModelName,
1810                 sizeof(ae->un.AttrString));
1811         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
1812         len += (len & 3) ? (4 - (len & 3)) : 4;
1813         size = FOURBYTES + len;
1814         ad->AttrLen = cpu_to_be16(size);
1815         ad->AttrType = cpu_to_be16(RHBA_MODEL);
1816         return size;
1817 }
1818
1819 static int
1820 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
1821                                struct lpfc_fdmi_attr_def *ad)
1822 {
1823         struct lpfc_hba *phba = vport->phba;
1824         struct lpfc_fdmi_attr_entry *ae;
1825         uint32_t len, size;
1826
1827         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1828         memset(ae, 0, 256);
1829
1830         strncpy(ae->un.AttrString, phba->ModelDesc,
1831                 sizeof(ae->un.AttrString));
1832         len = strnlen(ae->un.AttrString,
1833                                   sizeof(ae->un.AttrString));
1834         len += (len & 3) ? (4 - (len & 3)) : 4;
1835         size = FOURBYTES + len;
1836         ad->AttrLen = cpu_to_be16(size);
1837         ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
1838         return size;
1839 }
1840
1841 static int
1842 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
1843                            struct lpfc_fdmi_attr_def *ad)
1844 {
1845         struct lpfc_hba *phba = vport->phba;
1846         lpfc_vpd_t *vp = &phba->vpd;
1847         struct lpfc_fdmi_attr_entry *ae;
1848         uint32_t i, j, incr, size;
1849
1850         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1851         memset(ae, 0, 256);
1852
1853         /* Convert JEDEC ID to ascii for hardware version */
1854         incr = vp->rev.biuRev;
1855         for (i = 0; i < 8; i++) {
1856                 j = (incr & 0xf);
1857                 if (j <= 9)
1858                         ae->un.AttrString[7 - i] =
1859                             (char)((uint8_t) 0x30 +
1860                                    (uint8_t) j);
1861                 else
1862                         ae->un.AttrString[7 - i] =
1863                             (char)((uint8_t) 0x61 +
1864                                    (uint8_t) (j - 10));
1865                 incr = (incr >> 4);
1866         }
1867         size = FOURBYTES + 8;
1868         ad->AttrLen = cpu_to_be16(size);
1869         ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
1870         return size;
1871 }
1872
1873 static int
1874 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
1875                             struct lpfc_fdmi_attr_def *ad)
1876 {
1877         struct lpfc_fdmi_attr_entry *ae;
1878         uint32_t len, size;
1879
1880         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1881         memset(ae, 0, 256);
1882
1883         strncpy(ae->un.AttrString, lpfc_release_version,
1884                 sizeof(ae->un.AttrString));
1885         len = strnlen(ae->un.AttrString,
1886                           sizeof(ae->un.AttrString));
1887         len += (len & 3) ? (4 - (len & 3)) : 4;
1888         size = FOURBYTES + len;
1889         ad->AttrLen = cpu_to_be16(size);
1890         ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
1891         return size;
1892 }
1893
1894 static int
1895 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
1896                            struct lpfc_fdmi_attr_def *ad)
1897 {
1898         struct lpfc_hba *phba = vport->phba;
1899         struct lpfc_fdmi_attr_entry *ae;
1900         uint32_t len, size;
1901
1902         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1903         memset(ae, 0, 256);
1904
1905         if (phba->sli_rev == LPFC_SLI_REV4)
1906                 lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
1907         else
1908                 strncpy(ae->un.AttrString, phba->OptionROMVersion,
1909                         sizeof(ae->un.AttrString));
1910         len = strnlen(ae->un.AttrString,
1911                           sizeof(ae->un.AttrString));
1912         len += (len & 3) ? (4 - (len & 3)) : 4;
1913         size = FOURBYTES + len;
1914         ad->AttrLen = cpu_to_be16(size);
1915         ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
1916         return size;
1917 }
1918
1919 static int
1920 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
1921                            struct lpfc_fdmi_attr_def *ad)
1922 {
1923         struct lpfc_hba *phba = vport->phba;
1924         struct lpfc_fdmi_attr_entry *ae;
1925         uint32_t len, size;
1926
1927         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1928         memset(ae, 0, 256);
1929
1930         lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
1931         len = strnlen(ae->un.AttrString,
1932                           sizeof(ae->un.AttrString));
1933         len += (len & 3) ? (4 - (len & 3)) : 4;
1934         size = FOURBYTES + len;
1935         ad->AttrLen = cpu_to_be16(size);
1936         ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
1937         return size;
1938 }
1939
1940 static int
1941 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
1942                           struct lpfc_fdmi_attr_def *ad)
1943 {
1944         struct lpfc_fdmi_attr_entry *ae;
1945         uint32_t len, size;
1946
1947         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1948         memset(ae, 0, 256);
1949
1950         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
1951                  init_utsname()->sysname,
1952                  init_utsname()->release,
1953                  init_utsname()->version);
1954
1955         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
1956         len += (len & 3) ? (4 - (len & 3)) : 4;
1957         size = FOURBYTES + len;
1958         ad->AttrLen = cpu_to_be16(size);
1959         ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
1960         return size;
1961 }
1962
1963 static int
1964 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
1965                           struct lpfc_fdmi_attr_def *ad)
1966 {
1967         struct lpfc_fdmi_attr_entry *ae;
1968         uint32_t size;
1969
1970         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1971
1972         ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
1973         size = FOURBYTES + sizeof(uint32_t);
1974         ad->AttrLen = cpu_to_be16(size);
1975         ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
1976         return size;
1977 }
1978
1979 static int
1980 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
1981                                  struct lpfc_fdmi_attr_def *ad)
1982 {
1983         struct lpfc_fdmi_attr_entry *ae;
1984         uint32_t len, size;
1985
1986         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1987         memset(ae, 0, 256);
1988
1989         len = lpfc_vport_symbolic_node_name(vport,
1990                                 ae->un.AttrString, 256);
1991         len += (len & 3) ? (4 - (len & 3)) : 4;
1992         size = FOURBYTES + len;
1993         ad->AttrLen = cpu_to_be16(size);
1994         ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
1995         return size;
1996 }
1997
1998 static int
1999 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
2000                                struct lpfc_fdmi_attr_def *ad)
2001 {
2002         struct lpfc_fdmi_attr_entry *ae;
2003         uint32_t size;
2004
2005         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2006
2007         /* Nothing is defined for this currently */
2008         ae->un.AttrInt =  cpu_to_be32(0);
2009         size = FOURBYTES + sizeof(uint32_t);
2010         ad->AttrLen = cpu_to_be16(size);
2011         ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
2012         return size;
2013 }
2014
2015 static int
2016 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
2017                              struct lpfc_fdmi_attr_def *ad)
2018 {
2019         struct lpfc_fdmi_attr_entry *ae;
2020         uint32_t size;
2021
2022         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2023
2024         /* Each driver instance corresponds to a single port */
2025         ae->un.AttrInt =  cpu_to_be32(1);
2026         size = FOURBYTES + sizeof(uint32_t);
2027         ad->AttrLen = cpu_to_be16(size);
2028         ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2029         return size;
2030 }
2031
2032 static int
2033 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2034                                struct lpfc_fdmi_attr_def *ad)
2035 {
2036         struct lpfc_fdmi_attr_entry *ae;
2037         uint32_t size;
2038
2039         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2040         memset(ae, 0, sizeof(struct lpfc_name));
2041
2042         memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2043                sizeof(struct lpfc_name));
2044         size = FOURBYTES + sizeof(struct lpfc_name);
2045         ad->AttrLen = cpu_to_be16(size);
2046         ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2047         return size;
2048 }
2049
2050 static int
2051 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2052                             struct lpfc_fdmi_attr_def *ad)
2053 {
2054         struct lpfc_hba *phba = vport->phba;
2055         struct lpfc_fdmi_attr_entry *ae;
2056         uint32_t len, size;
2057
2058         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2059         memset(ae, 0, 256);
2060
2061         lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2062         len = strnlen(ae->un.AttrString,
2063                           sizeof(ae->un.AttrString));
2064         len += (len & 3) ? (4 - (len & 3)) : 4;
2065         size = FOURBYTES + len;
2066         ad->AttrLen = cpu_to_be16(size);
2067         ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2068         return size;
2069 }
2070
2071 static int
2072 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2073                               struct lpfc_fdmi_attr_def *ad)
2074 {
2075         struct lpfc_fdmi_attr_entry *ae;
2076         uint32_t size;
2077
2078         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2079
2080         /* Driver doesn't have access to this information */
2081         ae->un.AttrInt =  cpu_to_be32(0);
2082         size = FOURBYTES + sizeof(uint32_t);
2083         ad->AttrLen = cpu_to_be16(size);
2084         ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2085         return size;
2086 }
2087
2088 static int
2089 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2090                              struct lpfc_fdmi_attr_def *ad)
2091 {
2092         struct lpfc_fdmi_attr_entry *ae;
2093         uint32_t len, size;
2094
2095         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2096         memset(ae, 0, 256);
2097
2098         strncpy(ae->un.AttrString, "EMULEX",
2099                 sizeof(ae->un.AttrString));
2100         len = strnlen(ae->un.AttrString,
2101                           sizeof(ae->un.AttrString));
2102         len += (len & 3) ? (4 - (len & 3)) : 4;
2103         size = FOURBYTES + len;
2104         ad->AttrLen = cpu_to_be16(size);
2105         ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2106         return size;
2107 }
2108
2109 /* Routines for all individual PORT attributes */
2110 static int
2111 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2112                             struct lpfc_fdmi_attr_def *ad)
2113 {
2114         struct lpfc_fdmi_attr_entry *ae;
2115         uint32_t size;
2116
2117         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2118         memset(ae, 0, 32);
2119
2120         ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2121         ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2122         ae->un.AttrTypes[6] = 0x01; /* Type 40 - NVME */
2123         ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2124         size = FOURBYTES + 32;
2125         ad->AttrLen = cpu_to_be16(size);
2126         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2127         return size;
2128 }
2129
2130 static int
2131 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2132                                   struct lpfc_fdmi_attr_def *ad)
2133 {
2134         struct lpfc_hba   *phba = vport->phba;
2135         struct lpfc_fdmi_attr_entry *ae;
2136         uint32_t size;
2137
2138         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2139
2140         ae->un.AttrInt = 0;
2141         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2142                 if (phba->lmt & LMT_64Gb)
2143                         ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2144                 if (phba->lmt & LMT_32Gb)
2145                         ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2146                 if (phba->lmt & LMT_16Gb)
2147                         ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2148                 if (phba->lmt & LMT_10Gb)
2149                         ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2150                 if (phba->lmt & LMT_8Gb)
2151                         ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2152                 if (phba->lmt & LMT_4Gb)
2153                         ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2154                 if (phba->lmt & LMT_2Gb)
2155                         ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2156                 if (phba->lmt & LMT_1Gb)
2157                         ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2158         } else {
2159                 /* FCoE links support only one speed */
2160                 switch (phba->fc_linkspeed) {
2161                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2162                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
2163                         break;
2164                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2165                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
2166                         break;
2167                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2168                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
2169                         break;
2170                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2171                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
2172                         break;
2173                 }
2174         }
2175         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2176         size = FOURBYTES + sizeof(uint32_t);
2177         ad->AttrLen = cpu_to_be16(size);
2178         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2179         return size;
2180 }
2181
2182 static int
2183 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2184                           struct lpfc_fdmi_attr_def *ad)
2185 {
2186         struct lpfc_hba   *phba = vport->phba;
2187         struct lpfc_fdmi_attr_entry *ae;
2188         uint32_t size;
2189
2190         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2191
2192         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2193                 switch (phba->fc_linkspeed) {
2194                 case LPFC_LINK_SPEED_1GHZ:
2195                         ae->un.AttrInt = HBA_PORTSPEED_1GFC;
2196                         break;
2197                 case LPFC_LINK_SPEED_2GHZ:
2198                         ae->un.AttrInt = HBA_PORTSPEED_2GFC;
2199                         break;
2200                 case LPFC_LINK_SPEED_4GHZ:
2201                         ae->un.AttrInt = HBA_PORTSPEED_4GFC;
2202                         break;
2203                 case LPFC_LINK_SPEED_8GHZ:
2204                         ae->un.AttrInt = HBA_PORTSPEED_8GFC;
2205                         break;
2206                 case LPFC_LINK_SPEED_10GHZ:
2207                         ae->un.AttrInt = HBA_PORTSPEED_10GFC;
2208                         break;
2209                 case LPFC_LINK_SPEED_16GHZ:
2210                         ae->un.AttrInt = HBA_PORTSPEED_16GFC;
2211                         break;
2212                 case LPFC_LINK_SPEED_32GHZ:
2213                         ae->un.AttrInt = HBA_PORTSPEED_32GFC;
2214                         break;
2215                 case LPFC_LINK_SPEED_64GHZ:
2216                         ae->un.AttrInt = HBA_PORTSPEED_64GFC;
2217                         break;
2218                 default:
2219                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2220                         break;
2221                 }
2222         } else {
2223                 switch (phba->fc_linkspeed) {
2224                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2225                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
2226                         break;
2227                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2228                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
2229                         break;
2230                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2231                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
2232                         break;
2233                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2234                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
2235                         break;
2236                 default:
2237                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2238                         break;
2239                 }
2240         }
2241
2242         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2243         size = FOURBYTES + sizeof(uint32_t);
2244         ad->AttrLen = cpu_to_be16(size);
2245         ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
2246         return size;
2247 }
2248
2249 static int
2250 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
2251                               struct lpfc_fdmi_attr_def *ad)
2252 {
2253         struct serv_parm *hsp;
2254         struct lpfc_fdmi_attr_entry *ae;
2255         uint32_t size;
2256
2257         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2258
2259         hsp = (struct serv_parm *)&vport->fc_sparam;
2260         ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb) << 8) |
2261                           (uint32_t) hsp->cmn.bbRcvSizeLsb;
2262         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2263         size = FOURBYTES + sizeof(uint32_t);
2264         ad->AttrLen = cpu_to_be16(size);
2265         ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
2266         return size;
2267 }
2268
2269 static int
2270 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
2271                                struct lpfc_fdmi_attr_def *ad)
2272 {
2273         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2274         struct lpfc_fdmi_attr_entry *ae;
2275         uint32_t len, size;
2276
2277         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2278         memset(ae, 0, 256);
2279
2280         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
2281                  "/sys/class/scsi_host/host%d", shost->host_no);
2282         len = strnlen((char *)ae->un.AttrString,
2283                           sizeof(ae->un.AttrString));
2284         len += (len & 3) ? (4 - (len & 3)) : 4;
2285         size = FOURBYTES + len;
2286         ad->AttrLen = cpu_to_be16(size);
2287         ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
2288         return size;
2289 }
2290
2291 static int
2292 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
2293                               struct lpfc_fdmi_attr_def *ad)
2294 {
2295         struct lpfc_fdmi_attr_entry *ae;
2296         uint32_t len, size;
2297
2298         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2299         memset(ae, 0, 256);
2300
2301         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
2302                  init_utsname()->nodename);
2303
2304         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2305         len += (len & 3) ? (4 - (len & 3)) : 4;
2306         size = FOURBYTES + len;
2307         ad->AttrLen = cpu_to_be16(size);
2308         ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
2309         return size;
2310 }
2311
2312 static int
2313 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
2314                          struct lpfc_fdmi_attr_def *ad)
2315 {
2316         struct lpfc_fdmi_attr_entry *ae;
2317         uint32_t size;
2318
2319         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2320         memset(ae, 0,  sizeof(struct lpfc_name));
2321
2322         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2323                sizeof(struct lpfc_name));
2324         size = FOURBYTES + sizeof(struct lpfc_name);
2325         ad->AttrLen = cpu_to_be16(size);
2326         ad->AttrType = cpu_to_be16(RPRT_NODENAME);
2327         return size;
2328 }
2329
2330 static int
2331 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
2332                          struct lpfc_fdmi_attr_def *ad)
2333 {
2334         struct lpfc_fdmi_attr_entry *ae;
2335         uint32_t size;
2336
2337         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2338         memset(ae, 0,  sizeof(struct lpfc_name));
2339
2340         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
2341                sizeof(struct lpfc_name));
2342         size = FOURBYTES + sizeof(struct lpfc_name);
2343         ad->AttrLen = cpu_to_be16(size);
2344         ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
2345         return size;
2346 }
2347
2348 static int
2349 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
2350                                   struct lpfc_fdmi_attr_def *ad)
2351 {
2352         struct lpfc_fdmi_attr_entry *ae;
2353         uint32_t len, size;
2354
2355         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2356         memset(ae, 0, 256);
2357
2358         len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
2359         len += (len & 3) ? (4 - (len & 3)) : 4;
2360         size = FOURBYTES + len;
2361         ad->AttrLen = cpu_to_be16(size);
2362         ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
2363         return size;
2364 }
2365
2366 static int
2367 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
2368                               struct lpfc_fdmi_attr_def *ad)
2369 {
2370         struct lpfc_hba *phba = vport->phba;
2371         struct lpfc_fdmi_attr_entry *ae;
2372         uint32_t size;
2373
2374         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2375         if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
2376                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
2377         else
2378                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
2379         size = FOURBYTES + sizeof(uint32_t);
2380         ad->AttrLen = cpu_to_be16(size);
2381         ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
2382         return size;
2383 }
2384
2385 static int
2386 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
2387                           struct lpfc_fdmi_attr_def *ad)
2388 {
2389         struct lpfc_fdmi_attr_entry *ae;
2390         uint32_t size;
2391
2392         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2393         ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
2394         size = FOURBYTES + sizeof(uint32_t);
2395         ad->AttrLen = cpu_to_be16(size);
2396         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
2397         return size;
2398 }
2399
2400 static int
2401 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
2402                                 struct lpfc_fdmi_attr_def *ad)
2403 {
2404         struct lpfc_fdmi_attr_entry *ae;
2405         uint32_t size;
2406
2407         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2408         memset(ae, 0,  sizeof(struct lpfc_name));
2409
2410         memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
2411                sizeof(struct lpfc_name));
2412         size = FOURBYTES + sizeof(struct lpfc_name);
2413         ad->AttrLen = cpu_to_be16(size);
2414         ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
2415         return size;
2416 }
2417
2418 static int
2419 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
2420                                    struct lpfc_fdmi_attr_def *ad)
2421 {
2422         struct lpfc_fdmi_attr_entry *ae;
2423         uint32_t size;
2424
2425         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2426         memset(ae, 0, 32);
2427
2428         ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2429         ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2430         ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2431         size = FOURBYTES + 32;
2432         ad->AttrLen = cpu_to_be16(size);
2433         ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
2434         return size;
2435 }
2436
2437 static int
2438 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
2439                                struct lpfc_fdmi_attr_def *ad)
2440 {
2441         struct lpfc_fdmi_attr_entry *ae;
2442         uint32_t size;
2443
2444         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2445         /* Link Up - operational */
2446         ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
2447         size = FOURBYTES + sizeof(uint32_t);
2448         ad->AttrLen = cpu_to_be16(size);
2449         ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
2450         return size;
2451 }
2452
2453 static int
2454 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
2455                              struct lpfc_fdmi_attr_def *ad)
2456 {
2457         struct lpfc_fdmi_attr_entry *ae;
2458         uint32_t size;
2459
2460         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2461         vport->fdmi_num_disc = lpfc_find_map_node(vport);
2462         ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
2463         size = FOURBYTES + sizeof(uint32_t);
2464         ad->AttrLen = cpu_to_be16(size);
2465         ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
2466         return size;
2467 }
2468
2469 static int
2470 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
2471                             struct lpfc_fdmi_attr_def *ad)
2472 {
2473         struct lpfc_fdmi_attr_entry *ae;
2474         uint32_t size;
2475
2476         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2477         ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
2478         size = FOURBYTES + sizeof(uint32_t);
2479         ad->AttrLen = cpu_to_be16(size);
2480         ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
2481         return size;
2482 }
2483
2484 static int
2485 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
2486                              struct lpfc_fdmi_attr_def *ad)
2487 {
2488         struct lpfc_fdmi_attr_entry *ae;
2489         uint32_t len, size;
2490
2491         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2492         memset(ae, 0, 256);
2493
2494         strncpy(ae->un.AttrString, "Smart SAN Initiator",
2495                 sizeof(ae->un.AttrString));
2496         len = strnlen(ae->un.AttrString,
2497                           sizeof(ae->un.AttrString));
2498         len += (len & 3) ? (4 - (len & 3)) : 4;
2499         size = FOURBYTES + len;
2500         ad->AttrLen = cpu_to_be16(size);
2501         ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
2502         return size;
2503 }
2504
2505 static int
2506 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
2507                           struct lpfc_fdmi_attr_def *ad)
2508 {
2509         struct lpfc_fdmi_attr_entry *ae;
2510         uint32_t size;
2511
2512         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2513         memset(ae, 0, 256);
2514
2515         memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
2516                sizeof(struct lpfc_name));
2517         memcpy((((uint8_t *)&ae->un.AttrString) +
2518                 sizeof(struct lpfc_name)),
2519                 &vport->fc_sparam.portName, sizeof(struct lpfc_name));
2520         size = FOURBYTES + (2 * sizeof(struct lpfc_name));
2521         ad->AttrLen =  cpu_to_be16(size);
2522         ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
2523         return size;
2524 }
2525
2526 static int
2527 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
2528                              struct lpfc_fdmi_attr_def *ad)
2529 {
2530         struct lpfc_fdmi_attr_entry *ae;
2531         uint32_t len, size;
2532
2533         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2534         memset(ae, 0, 256);
2535
2536         strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
2537                 sizeof(ae->un.AttrString));
2538         len = strnlen(ae->un.AttrString,
2539                           sizeof(ae->un.AttrString));
2540         len += (len & 3) ? (4 - (len & 3)) : 4;
2541         size = FOURBYTES + len;
2542         ad->AttrLen =  cpu_to_be16(size);
2543         ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
2544         return size;
2545 }
2546
2547 static int
2548 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
2549                            struct lpfc_fdmi_attr_def *ad)
2550 {
2551         struct lpfc_hba *phba = vport->phba;
2552         struct lpfc_fdmi_attr_entry *ae;
2553         uint32_t len, size;
2554
2555         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2556         memset(ae, 0, 256);
2557
2558         strncpy(ae->un.AttrString, phba->ModelName,
2559                 sizeof(ae->un.AttrString));
2560         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2561         len += (len & 3) ? (4 - (len & 3)) : 4;
2562         size = FOURBYTES + len;
2563         ad->AttrLen = cpu_to_be16(size);
2564         ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
2565         return size;
2566 }
2567
2568 static int
2569 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
2570                                struct lpfc_fdmi_attr_def *ad)
2571 {
2572         struct lpfc_fdmi_attr_entry *ae;
2573         uint32_t size;
2574
2575         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2576
2577         /* SRIOV (type 3) is not supported */
2578         if (vport->vpi)
2579                 ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
2580         else
2581                 ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
2582         size = FOURBYTES + sizeof(uint32_t);
2583         ad->AttrLen = cpu_to_be16(size);
2584         ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
2585         return size;
2586 }
2587
2588 static int
2589 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
2590                          struct lpfc_fdmi_attr_def *ad)
2591 {
2592         struct lpfc_fdmi_attr_entry *ae;
2593         uint32_t size;
2594
2595         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2596         ae->un.AttrInt =  cpu_to_be32(0);
2597         size = FOURBYTES + sizeof(uint32_t);
2598         ad->AttrLen = cpu_to_be16(size);
2599         ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
2600         return size;
2601 }
2602
2603 static int
2604 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
2605                               struct lpfc_fdmi_attr_def *ad)
2606 {
2607         struct lpfc_fdmi_attr_entry *ae;
2608         uint32_t size;
2609
2610         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2611         ae->un.AttrInt =  cpu_to_be32(1);
2612         size = FOURBYTES + sizeof(uint32_t);
2613         ad->AttrLen = cpu_to_be16(size);
2614         ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
2615         return size;
2616 }
2617
2618 /* RHBA attribute jump table */
2619 int (*lpfc_fdmi_hba_action[])
2620         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2621         /* Action routine                 Mask bit     Attribute type */
2622         lpfc_fdmi_hba_attr_wwnn,          /* bit0     RHBA_NODENAME           */
2623         lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
2624         lpfc_fdmi_hba_attr_sn,            /* bit2     RHBA_SERIAL_NUMBER      */
2625         lpfc_fdmi_hba_attr_model,         /* bit3     RHBA_MODEL              */
2626         lpfc_fdmi_hba_attr_description,   /* bit4     RHBA_MODEL_DESCRIPTION  */
2627         lpfc_fdmi_hba_attr_hdw_ver,       /* bit5     RHBA_HARDWARE_VERSION   */
2628         lpfc_fdmi_hba_attr_drvr_ver,      /* bit6     RHBA_DRIVER_VERSION     */
2629         lpfc_fdmi_hba_attr_rom_ver,       /* bit7     RHBA_OPTION_ROM_VERSION */
2630         lpfc_fdmi_hba_attr_fmw_ver,       /* bit8     RHBA_FIRMWARE_VERSION   */
2631         lpfc_fdmi_hba_attr_os_ver,        /* bit9     RHBA_OS_NAME_VERSION    */
2632         lpfc_fdmi_hba_attr_ct_len,        /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
2633         lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
2634         lpfc_fdmi_hba_attr_vendor_info,   /* bit12    RHBA_VENDOR_INFO        */
2635         lpfc_fdmi_hba_attr_num_ports,     /* bit13    RHBA_NUM_PORTS          */
2636         lpfc_fdmi_hba_attr_fabric_wwnn,   /* bit14    RHBA_FABRIC_WWNN        */
2637         lpfc_fdmi_hba_attr_bios_ver,      /* bit15    RHBA_BIOS_VERSION       */
2638         lpfc_fdmi_hba_attr_bios_state,    /* bit16    RHBA_BIOS_STATE         */
2639         lpfc_fdmi_hba_attr_vendor_id,     /* bit17    RHBA_VENDOR_ID          */
2640 };
2641
2642 /* RPA / RPRT attribute jump table */
2643 int (*lpfc_fdmi_port_action[])
2644         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2645         /* Action routine                   Mask bit   Attribute type */
2646         lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
2647         lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
2648         lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
2649         lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
2650         lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
2651         lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
2652         lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
2653         lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
2654         lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
2655         lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
2656         lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
2657         lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
2658         lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
2659         lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
2660         lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
2661         lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
2662         lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
2663         lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
2664         lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
2665         lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
2666         lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
2667         lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
2668         lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
2669 };
2670
2671 /**
2672  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
2673  * @vport: pointer to a host virtual N_Port data structure.
2674  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
2675  * cmdcode: FDMI command to send
2676  * mask: Mask of HBA or PORT Attributes to send
2677  *
2678  * Builds and sends a FDMI command using the CT subsystem.
2679  */
2680 int
2681 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2682               int cmdcode, uint32_t new_mask)
2683 {
2684         struct lpfc_hba *phba = vport->phba;
2685         struct lpfc_dmabuf *mp, *bmp;
2686         struct lpfc_sli_ct_request *CtReq;
2687         struct ulp_bde64 *bpl;
2688         uint32_t bit_pos;
2689         uint32_t size;
2690         uint32_t rsp_size;
2691         uint32_t mask;
2692         struct lpfc_fdmi_reg_hba *rh;
2693         struct lpfc_fdmi_port_entry *pe;
2694         struct lpfc_fdmi_reg_portattr *pab = NULL;
2695         struct lpfc_fdmi_attr_block *ab = NULL;
2696         int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
2697         void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
2698                      struct lpfc_iocbq *);
2699
2700         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
2701                 return 0;
2702
2703         cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
2704
2705         /* fill in BDEs for command */
2706         /* Allocate buffer for command payload */
2707         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2708         if (!mp)
2709                 goto fdmi_cmd_exit;
2710
2711         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
2712         if (!mp->virt)
2713                 goto fdmi_cmd_free_mp;
2714
2715         /* Allocate buffer for Buffer ptr list */
2716         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2717         if (!bmp)
2718                 goto fdmi_cmd_free_mpvirt;
2719
2720         bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
2721         if (!bmp->virt)
2722                 goto fdmi_cmd_free_bmp;
2723
2724         INIT_LIST_HEAD(&mp->list);
2725         INIT_LIST_HEAD(&bmp->list);
2726
2727         /* FDMI request */
2728         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2729                          "0218 FDMI Request Data: x%x x%x x%x\n",
2730                          vport->fc_flag, vport->port_state, cmdcode);
2731         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
2732
2733         /* First populate the CT_IU preamble */
2734         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
2735         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
2736         CtReq->RevisionId.bits.InId = 0;
2737
2738         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
2739         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
2740
2741         CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
2742         rsp_size = LPFC_BPL_SIZE;
2743         size = 0;
2744
2745         /* Next fill in the specific FDMI cmd information */
2746         switch (cmdcode) {
2747         case SLI_MGMT_RHAT:
2748         case SLI_MGMT_RHBA:
2749                 rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
2750                 /* HBA Identifier */
2751                 memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
2752                        sizeof(struct lpfc_name));
2753
2754                 if (cmdcode == SLI_MGMT_RHBA) {
2755                         /* Registered Port List */
2756                         /* One entry (port) per adapter */
2757                         rh->rpl.EntryCnt = cpu_to_be32(1);
2758                         memcpy(&rh->rpl.pe, &phba->pport->fc_sparam.portName,
2759                                sizeof(struct lpfc_name));
2760
2761                         /* point to the HBA attribute block */
2762                         size = 2 * sizeof(struct lpfc_name) +
2763                                 FOURBYTES;
2764                 } else {
2765                         size = sizeof(struct lpfc_name);
2766                 }
2767                 ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
2768                 ab->EntryCnt = 0;
2769                 size += FOURBYTES;
2770                 bit_pos = 0;
2771                 if (new_mask)
2772                         mask = new_mask;
2773                 else
2774                         mask = vport->fdmi_hba_mask;
2775
2776                 /* Mask will dictate what attributes to build in the request */
2777                 while (mask) {
2778                         if (mask & 0x1) {
2779                                 func = lpfc_fdmi_hba_action[bit_pos];
2780                                 size += func(vport,
2781                                              (struct lpfc_fdmi_attr_def *)
2782                                              ((uint8_t *)rh + size));
2783                                 ab->EntryCnt++;
2784                                 if ((size + 256) >
2785                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2786                                         goto hba_out;
2787                         }
2788                         mask = mask >> 1;
2789                         bit_pos++;
2790                 }
2791 hba_out:
2792                 ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
2793                 /* Total size */
2794                 size = GID_REQUEST_SZ - 4 + size;
2795                 break;
2796
2797         case SLI_MGMT_RPRT:
2798         case SLI_MGMT_RPA:
2799                 pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
2800                 if (cmdcode == SLI_MGMT_RPRT) {
2801                         rh = (struct lpfc_fdmi_reg_hba *)pab;
2802                         /* HBA Identifier */
2803                         memcpy(&rh->hi.PortName,
2804                                &phba->pport->fc_sparam.portName,
2805                                sizeof(struct lpfc_name));
2806                         pab = (struct lpfc_fdmi_reg_portattr *)
2807                                 ((uint8_t *)pab +  sizeof(struct lpfc_name));
2808                 }
2809
2810                 memcpy((uint8_t *)&pab->PortName,
2811                        (uint8_t *)&vport->fc_sparam.portName,
2812                        sizeof(struct lpfc_name));
2813                 size += sizeof(struct lpfc_name) + FOURBYTES;
2814                 pab->ab.EntryCnt = 0;
2815                 bit_pos = 0;
2816                 if (new_mask)
2817                         mask = new_mask;
2818                 else
2819                         mask = vport->fdmi_port_mask;
2820
2821                 /* Mask will dictate what attributes to build in the request */
2822                 while (mask) {
2823                         if (mask & 0x1) {
2824                                 func = lpfc_fdmi_port_action[bit_pos];
2825                                 size += func(vport,
2826                                              (struct lpfc_fdmi_attr_def *)
2827                                              ((uint8_t *)pab + size));
2828                                 pab->ab.EntryCnt++;
2829                                 if ((size + 256) >
2830                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2831                                         goto port_out;
2832                         }
2833                         mask = mask >> 1;
2834                         bit_pos++;
2835                 }
2836 port_out:
2837                 pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
2838                 /* Total size */
2839                 if (cmdcode == SLI_MGMT_RPRT)
2840                         size += sizeof(struct lpfc_name);
2841                 size = GID_REQUEST_SZ - 4 + size;
2842                 break;
2843
2844         case SLI_MGMT_GHAT:
2845         case SLI_MGMT_GRPL:
2846                 rsp_size = FC_MAX_NS_RSP;
2847         case SLI_MGMT_DHBA:
2848         case SLI_MGMT_DHAT:
2849                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2850                 memcpy((uint8_t *)&pe->PortName,
2851                        (uint8_t *)&vport->fc_sparam.portName,
2852                        sizeof(struct lpfc_name));
2853                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2854                 break;
2855
2856         case SLI_MGMT_GPAT:
2857         case SLI_MGMT_GPAS:
2858                 rsp_size = FC_MAX_NS_RSP;
2859         case SLI_MGMT_DPRT:
2860         case SLI_MGMT_DPA:
2861                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2862                 memcpy((uint8_t *)&pe->PortName,
2863                        (uint8_t *)&vport->fc_sparam.portName,
2864                        sizeof(struct lpfc_name));
2865                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2866                 break;
2867         case SLI_MGMT_GRHL:
2868                 size = GID_REQUEST_SZ - 4;
2869                 break;
2870         default:
2871                 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
2872                                  "0298 FDMI cmdcode x%x not supported\n",
2873                                  cmdcode);
2874                 goto fdmi_cmd_free_bmpvirt;
2875         }
2876         CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
2877
2878         bpl = (struct ulp_bde64 *)bmp->virt;
2879         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
2880         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
2881         bpl->tus.f.bdeFlags = 0;
2882         bpl->tus.f.bdeSize = size;
2883
2884         /*
2885          * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2886          * to hold ndlp reference for the corresponding callback function.
2887          */
2888         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
2889                 return 0;
2890
2891         /*
2892          * Decrement ndlp reference count to release ndlp reference held
2893          * for the failed command's callback function.
2894          */
2895         lpfc_nlp_put(ndlp);
2896
2897 fdmi_cmd_free_bmpvirt:
2898         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2899 fdmi_cmd_free_bmp:
2900         kfree(bmp);
2901 fdmi_cmd_free_mpvirt:
2902         lpfc_mbuf_free(phba, mp->virt, mp->phys);
2903 fdmi_cmd_free_mp:
2904         kfree(mp);
2905 fdmi_cmd_exit:
2906         /* Issue FDMI request failed */
2907         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2908                          "0244 Issue FDMI request failed Data: x%x\n",
2909                          cmdcode);
2910         return 1;
2911 }
2912
2913 /**
2914  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
2915  * @ptr - Context object of the timer.
2916  *
2917  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
2918  * the worker thread.
2919  **/
2920 void
2921 lpfc_delayed_disc_tmo(struct timer_list *t)
2922 {
2923         struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
2924         struct lpfc_hba   *phba = vport->phba;
2925         uint32_t tmo_posted;
2926         unsigned long iflag;
2927
2928         spin_lock_irqsave(&vport->work_port_lock, iflag);
2929         tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
2930         if (!tmo_posted)
2931                 vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
2932         spin_unlock_irqrestore(&vport->work_port_lock, iflag);
2933
2934         if (!tmo_posted)
2935                 lpfc_worker_wake_up(phba);
2936         return;
2937 }
2938
2939 /**
2940  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
2941  *      handle delayed discovery.
2942  * @vport: pointer to a host virtual N_Port data structure.
2943  *
2944  * This function start nport discovery of the vport.
2945  **/
2946 void
2947 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
2948 {
2949         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2950
2951         spin_lock_irq(shost->host_lock);
2952         if (!(vport->fc_flag & FC_DISC_DELAYED)) {
2953                 spin_unlock_irq(shost->host_lock);
2954                 return;
2955         }
2956         vport->fc_flag &= ~FC_DISC_DELAYED;
2957         spin_unlock_irq(shost->host_lock);
2958
2959         lpfc_do_scr_ns_plogi(vport->phba, vport);
2960 }
2961
2962 void
2963 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
2964 {
2965         struct lpfc_sli *psli = &phba->sli;
2966         lpfc_vpd_t *vp = &phba->vpd;
2967         uint32_t b1, b2, b3, b4, i, rev;
2968         char c;
2969         uint32_t *ptr, str[4];
2970         uint8_t *fwname;
2971
2972         if (phba->sli_rev == LPFC_SLI_REV4)
2973                 snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
2974         else if (vp->rev.rBit) {
2975                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
2976                         rev = vp->rev.sli2FwRev;
2977                 else
2978                         rev = vp->rev.sli1FwRev;
2979
2980                 b1 = (rev & 0x0000f000) >> 12;
2981                 b2 = (rev & 0x00000f00) >> 8;
2982                 b3 = (rev & 0x000000c0) >> 6;
2983                 b4 = (rev & 0x00000030) >> 4;
2984
2985                 switch (b4) {
2986                 case 0:
2987                         c = 'N';
2988                         break;
2989                 case 1:
2990                         c = 'A';
2991                         break;
2992                 case 2:
2993                         c = 'B';
2994                         break;
2995                 case 3:
2996                         c = 'X';
2997                         break;
2998                 default:
2999                         c = 0;
3000                         break;
3001                 }
3002                 b4 = (rev & 0x0000000f);
3003
3004                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
3005                         fwname = vp->rev.sli2FwName;
3006                 else
3007                         fwname = vp->rev.sli1FwName;
3008
3009                 for (i = 0; i < 16; i++)
3010                         if (fwname[i] == 0x20)
3011                                 fwname[i] = 0;
3012
3013                 ptr = (uint32_t*)fwname;
3014
3015                 for (i = 0; i < 3; i++)
3016                         str[i] = be32_to_cpu(*ptr++);
3017
3018                 if (c == 0) {
3019                         if (flag)
3020                                 sprintf(fwrevision, "%d.%d%d (%s)",
3021                                         b1, b2, b3, (char *)str);
3022                         else
3023                                 sprintf(fwrevision, "%d.%d%d", b1,
3024                                         b2, b3);
3025                 } else {
3026                         if (flag)
3027                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3028                                         b1, b2, b3, c,
3029                                         b4, (char *)str);
3030                         else
3031                                 sprintf(fwrevision, "%d.%d%d%c%d",
3032                                         b1, b2, b3, c, b4);
3033                 }
3034         } else {
3035                 rev = vp->rev.smFwRev;
3036
3037                 b1 = (rev & 0xff000000) >> 24;
3038                 b2 = (rev & 0x00f00000) >> 20;
3039                 b3 = (rev & 0x000f0000) >> 16;
3040                 c  = (rev & 0x0000ff00) >> 8;
3041                 b4 = (rev & 0x000000ff);
3042
3043                 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3044         }
3045         return;
3046 }