drivers/scsi/lpfc/lpfc_ct.c

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2017 Broadcom. All Rights Reserved. The term      *
   5  * “Broadcom” refers to Broadcom Limited and/or its subsidiaries.  *
   6  * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
   7  * EMULEX and SLI are trademarks of Emulex.                        *
   8  * www.broadcom.com                                                *
   9  *                                                                 *
  10  * This program is free software; you can redistribute it and/or   *
  11  * modify it under the terms of version 2 of the GNU General       *
  12  * Public License as published by the Free Software Foundation.    *
  13  * This program is distributed in the hope that it will be useful. *
  14  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  15  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  16  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  17  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  18  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  19  * more details, a copy of which can be found in the file COPYING  *
  20  * included with this package.                                     *
  21  *******************************************************************/
  22
  23 /*
  24  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
  25  */
  26
  27 #include <linux/blkdev.h>
  28 #include <linux/pci.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/slab.h>
  31 #include <linux/utsname.h>
  32
  33 #include <scsi/scsi.h>
  34 #include <scsi/scsi_device.h>
  35 #include <scsi/scsi_host.h>
  36 #include <scsi/scsi_transport_fc.h>
  37 #include <scsi/fc/fc_fs.h>
  38
  39 #include "lpfc_hw4.h"
  40 #include "lpfc_hw.h"
  41 #include "lpfc_sli.h"
  42 #include "lpfc_sli4.h"
  43 #include "lpfc_nl.h"
  44 #include "lpfc_disc.h"
  45 #include "lpfc.h"
  46 #include "lpfc_scsi.h"
  47 #include "lpfc_nvme.h"
  48 #include "lpfc_logmsg.h"
  49 #include "lpfc_crtn.h"
  50 #include "lpfc_version.h"
  51 #include "lpfc_vport.h"
  52 #include "lpfc_debugfs.h"
  53
  54 /* FDMI Port Speed definitions - FC-GS-7 */
  55 #define HBA_PORTSPEED_1GFC              0x00000001      /* 1G FC */
  56 #define HBA_PORTSPEED_2GFC              0x00000002      /* 2G FC */
  57 #define HBA_PORTSPEED_4GFC              0x00000008      /* 4G FC */
  58 #define HBA_PORTSPEED_10GFC             0x00000004      /* 10G FC */
  59 #define HBA_PORTSPEED_8GFC              0x00000010      /* 8G FC */
  60 #define HBA_PORTSPEED_16GFC             0x00000020      /* 16G FC */
  61 #define HBA_PORTSPEED_32GFC             0x00000040      /* 32G FC */
  62 #define HBA_PORTSPEED_20GFC             0x00000080      /* 20G FC */
  63 #define HBA_PORTSPEED_40GFC             0x00000100      /* 40G FC */
  64 #define HBA_PORTSPEED_128GFC            0x00000200      /* 128G FC */
  65 #define HBA_PORTSPEED_64GFC             0x00000400      /* 64G FC */
  66 #define HBA_PORTSPEED_256GFC            0x00000800      /* 256G FC */
  67 #define HBA_PORTSPEED_UNKNOWN           0x00008000      /* Unknown */
  68 #define HBA_PORTSPEED_10GE              0x00010000      /* 10G E */
  69 #define HBA_PORTSPEED_40GE              0x00020000      /* 40G E */
  70 #define HBA_PORTSPEED_100GE             0x00040000      /* 100G E */
  71 #define HBA_PORTSPEED_25GE              0x00080000      /* 25G E */
  72 #define HBA_PORTSPEED_50GE              0x00100000      /* 50G E */
  73 #define HBA_PORTSPEED_400GE             0x00200000      /* 400G E */
  74
  75 #define FOURBYTES       4
  76
  77
  78 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
  79
  80 static void
  81 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  82                           struct lpfc_dmabuf *mp, uint32_t size)
  83 {
  84         if (!mp) {
  85                 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  86                                 "0146 Ignoring unsolicited CT No HBQ "
  87                                 "status = x%x\n",
  88                                 piocbq->iocb.ulpStatus);
  89         }
  90         lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  91                         "0145 Ignoring unsolicted CT HBQ Size:%d "
  92                         "status = x%x\n",
  93                         size, piocbq->iocb.ulpStatus);
  94 }
  95
  96 static void
  97 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  98                      struct lpfc_dmabuf *mp, uint32_t size)
  99 {
 100         lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
 101 }
 102
 103 void
 104 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 105                     struct lpfc_iocbq *piocbq)
 106 {
 107         struct lpfc_dmabuf *mp = NULL;
 108         IOCB_t *icmd = &piocbq->iocb;
 109         int i;
 110         struct lpfc_iocbq *iocbq;
 111         dma_addr_t paddr;
 112         uint32_t size;
 113         struct list_head head;
 114         struct lpfc_dmabuf *bdeBuf;
 115
 116         if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
 117                 return;
 118
 119         if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
 120                 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
 121         } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 122                    ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
 123                    IOERR_RCV_BUFFER_WAITING)) {
 124                 /* Not enough posted buffers; Try posting more buffers */
 125                 phba->fc_stat.NoRcvBuf++;
 126                 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 127                         lpfc_post_buffer(phba, pring, 2);
 128                 return;
 129         }
 130
 131         /* If there are no BDEs associated with this IOCB,
 132          * there is nothing to do.
 133          */
 134         if (icmd->ulpBdeCount == 0)
 135                 return;
 136
 137         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 138                 INIT_LIST_HEAD(&head);
 139                 list_add_tail(&head, &piocbq->list);
 140                 list_for_each_entry(iocbq, &head, list) {
 141                         icmd = &iocbq->iocb;
 142                         if (icmd->ulpBdeCount == 0)
 143                                 continue;
 144                         bdeBuf = iocbq->context2;
 145                         iocbq->context2 = NULL;
 146                         size  = icmd->un.cont64[0].tus.f.bdeSize;
 147                         lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
 148                         lpfc_in_buf_free(phba, bdeBuf);
 149                         if (icmd->ulpBdeCount == 2) {
 150                                 bdeBuf = iocbq->context3;
 151                                 iocbq->context3 = NULL;
 152                                 size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
 153                                 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
 154                                                      size);
 155                                 lpfc_in_buf_free(phba, bdeBuf);
 156                         }
 157                 }
 158                 list_del(&head);
 159         } else {
 160                 INIT_LIST_HEAD(&head);
 161                 list_add_tail(&head, &piocbq->list);
 162                 list_for_each_entry(iocbq, &head, list) {
 163                         icmd = &iocbq->iocb;
 164                         if (icmd->ulpBdeCount == 0)
 165                                 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 166                         for (i = 0; i < icmd->ulpBdeCount; i++) {
 167                                 paddr = getPaddr(icmd->un.cont64[i].addrHigh,
 168                                                  icmd->un.cont64[i].addrLow);
 169                                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
 170                                                               paddr);
 171                                 size = icmd->un.cont64[i].tus.f.bdeSize;
 172                                 lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 173                                 lpfc_in_buf_free(phba, mp);
 174                         }
 175                         lpfc_post_buffer(phba, pring, i);
 176                 }
 177                 list_del(&head);
 178         }
 179 }
 180
 181 /**
 182  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
 183  * @phba: Pointer to HBA context object.
 184  * @dmabuf: pointer to a dmabuf that describes the FC sequence
 185  *
 186  * This function serves as the upper level protocol abort handler for CT
 187  * protocol.
 188  *
 189  * Return 1 if abort has been handled, 0 otherwise.
 190  **/
 191 int
 192 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
 193 {
 194         int handled;
 195
 196         /* CT upper level goes through BSG */
 197         handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
 198
 199         return handled;
 200 }
 201
 202 static void
 203 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 204 {
 205         struct lpfc_dmabuf *mlast, *next_mlast;
 206
 207         list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 208                 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 209                 list_del(&mlast->list);
 210                 kfree(mlast);
 211         }
 212         lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 213         kfree(mlist);
 214         return;
 215 }
 216
 217 static struct lpfc_dmabuf *
 218 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 219                   uint32_t size, int *entries)
 220 {
 221         struct lpfc_dmabuf *mlist = NULL;
 222         struct lpfc_dmabuf *mp;
 223         int cnt, i = 0;
 224
 225         /* We get chunks of FCELSSIZE */
 226         cnt = size > FCELSSIZE ? FCELSSIZE: size;
 227
 228         while (size) {
 229                 /* Allocate buffer for rsp payload */
 230                 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 231                 if (!mp) {
 232                         if (mlist)
 233                                 lpfc_free_ct_rsp(phba, mlist);
 234                         return NULL;
 235                 }
 236
 237                 INIT_LIST_HEAD(&mp->list);
 238
 239                 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 240                     cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 241                         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 242                 else
 243                         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 244
 245                 if (!mp->virt) {
 246                         kfree(mp);
 247                         if (mlist)
 248                                 lpfc_free_ct_rsp(phba, mlist);
 249                         return NULL;
 250                 }
 251
 252                 /* Queue it to a linked list */
 253                 if (!mlist)
 254                         mlist = mp;
 255                 else
 256                         list_add_tail(&mp->list, &mlist->list);
 257
 258                 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 259                 /* build buffer ptr list for IOCB */
 260                 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 261                 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 262                 bpl->tus.f.bdeSize = (uint16_t) cnt;
 263                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
 264                 bpl++;
 265
 266                 i++;
 267                 size -= cnt;
 268         }
 269
 270         *entries = i;
 271         return mlist;
 272 }
 273
 274 int
 275 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 276 {
 277         struct lpfc_dmabuf *buf_ptr;
 278
 279         if (ctiocb->context_un.ndlp) {
 280                 lpfc_nlp_put(ctiocb->context_un.ndlp);
 281                 ctiocb->context_un.ndlp = NULL;
 282         }
 283         if (ctiocb->context1) {
 284                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
 285                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 286                 kfree(buf_ptr);
 287                 ctiocb->context1 = NULL;
 288         }
 289         if (ctiocb->context2) {
 290                 lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
 291                 ctiocb->context2 = NULL;
 292         }
 293
 294         if (ctiocb->context3) {
 295                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
 296                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 297                 kfree(buf_ptr);
 298                 ctiocb->context3 = NULL;
 299         }
 300         lpfc_sli_release_iocbq(phba, ctiocb);
 301         return 0;
 302 }
 303
 304 /**
 305  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
 306  * @vport: pointer to a host virtual N_Port data structure.
 307  * @bmp: Pointer to BPL for SLI command
 308  * @inp: Pointer to data buffer for response data.
 309  * @outp: Pointer to data buffer that hold the CT command.
 310  * @cmpl: completion routine to call when command completes
 311  * @ndlp: Destination NPort nodelist entry
 312  *
 313  * This function as the final part for issuing a CT command.
 314  */
 315 static int
 316 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 317              struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 318              void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 319                      struct lpfc_iocbq *),
 320              struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
 321              uint32_t tmo, uint8_t retry)
 322 {
 323         struct lpfc_hba  *phba = vport->phba;
 324         IOCB_t *icmd;
 325         struct lpfc_iocbq *geniocb;
 326         int rc;
 327
 328         /* Allocate buffer for  command iocb */
 329         geniocb = lpfc_sli_get_iocbq(phba);
 330
 331         if (geniocb == NULL)
 332                 return 1;
 333
 334         icmd = &geniocb->iocb;
 335         icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 336         icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 337         icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 338         icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 339         icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64));
 340
 341         if (usr_flg)
 342                 geniocb->context3 = NULL;
 343         else
 344                 geniocb->context3 = (uint8_t *) bmp;
 345
 346         /* Save for completion so we can release these resources */
 347         geniocb->context1 = (uint8_t *) inp;
 348         geniocb->context2 = (uint8_t *) outp;
 349         geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
 350
 351         /* Fill in payload, bp points to frame payload */
 352         icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
 353
 354         /* Fill in rest of iocb */
 355         icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 356         icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 357         icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
 358         icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 359
 360         if (!tmo) {
 361                  /* FC spec states we need 3 * ratov for CT requests */
 362                 tmo = (3 * phba->fc_ratov);
 363         }
 364         icmd->ulpTimeout = tmo;
 365         icmd->ulpBdeCount = 1;
 366         icmd->ulpLe = 1;
 367         icmd->ulpClass = CLASS3;
 368         icmd->ulpContext = ndlp->nlp_rpi;
 369         if (phba->sli_rev == LPFC_SLI_REV4)
 370                 icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 371
 372         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 373                 /* For GEN_REQUEST64_CR, use the RPI */
 374                 icmd->ulpCt_h = 0;
 375                 icmd->ulpCt_l = 0;
 376         }
 377
 378         /* Issue GEN REQ IOCB for NPORT <did> */
 379         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 380                          "0119 Issue GEN REQ IOCB to NPORT x%x "
 381                          "Data: x%x x%x\n",
 382                          ndlp->nlp_DID, icmd->ulpIoTag,
 383                          vport->port_state);
 384         geniocb->iocb_cmpl = cmpl;
 385         geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 386         geniocb->vport = vport;
 387         geniocb->retry = retry;
 388         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
 389
 390         if (rc == IOCB_ERROR) {
 391                 lpfc_sli_release_iocbq(phba, geniocb);
 392                 return 1;
 393         }
 394
 395         return 0;
 396 }
 397
 398 /**
 399  * lpfc_ct_cmd - Build and issue a CT command
 400  * @vport: pointer to a host virtual N_Port data structure.
 401  * @inmp: Pointer to data buffer for response data.
 402  * @bmp: Pointer to BPL for SLI command
 403  * @ndlp: Destination NPort nodelist entry
 404  * @cmpl: completion routine to call when command completes
 405  *
 406  * This function is called for issuing a CT command.
 407  */
 408 static int
 409 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 410             struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 411             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 412                           struct lpfc_iocbq *),
 413             uint32_t rsp_size, uint8_t retry)
 414 {
 415         struct lpfc_hba  *phba = vport->phba;
 416         struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 417         struct lpfc_dmabuf *outmp;
 418         int cnt = 0, status;
 419         int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 420                 CommandResponse.bits.CmdRsp;
 421
 422         bpl++;                  /* Skip past ct request */
 423
 424         /* Put buffer(s) for ct rsp in bpl */
 425         outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 426         if (!outmp)
 427                 return -ENOMEM;
 428         /*
 429          * Form the CT IOCB.  The total number of BDEs in this IOCB
 430          * is the single command plus response count from
 431          * lpfc_alloc_ct_rsp.
 432          */
 433         cnt += 1;
 434         status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
 435                               cnt, 0, retry);
 436         if (status) {
 437                 lpfc_free_ct_rsp(phba, outmp);
 438                 return -ENOMEM;
 439         }
 440         return 0;
 441 }
 442
 443 struct lpfc_vport *
 444 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 445         struct lpfc_vport *vport_curr;
 446         unsigned long flags;
 447
 448         spin_lock_irqsave(&phba->hbalock, flags);
 449         list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 450                 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 451                         spin_unlock_irqrestore(&phba->hbalock, flags);
 452                         return vport_curr;
 453                 }
 454         }
 455         spin_unlock_irqrestore(&phba->hbalock, flags);
 456         return NULL;
 457 }
 458
 459 static void
 460 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 461 {
 462         struct lpfc_nodelist *ndlp;
 463
 464         if ((vport->port_type != LPFC_NPIV_PORT) ||
 465             !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
 466
 467                 ndlp = lpfc_setup_disc_node(vport, Did);
 468
 469                 if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 470                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 471                                 "Parse GID_FTrsp: did:x%x flg:x%x x%x",
 472                                 Did, ndlp->nlp_flag, vport->fc_flag);
 473
 474                         /* By default, the driver expects to support FCP FC4 */
 475                         if (fc4_type == FC_TYPE_FCP)
 476                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 477
 478                         if (fc4_type == FC_TYPE_NVME)
 479                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 480
 481                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 482                                          "0238 Process x%06x NameServer Rsp "
 483                                          "Data: x%x x%x x%x x%x\n", Did,
 484                                          ndlp->nlp_flag, ndlp->nlp_fc4_type,
 485                                          vport->fc_flag,
 486                                          vport->fc_rscn_id_cnt);
 487                 } else {
 488                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 489                                 "Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 490                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 491
 492                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 493                                          "0239 Skip x%06x NameServer Rsp "
 494                                          "Data: x%x x%x\n", Did,
 495                                          vport->fc_flag,
 496                                          vport->fc_rscn_id_cnt);
 497                 }
 498         } else {
 499                 if (!(vport->fc_flag & FC_RSCN_MODE) ||
 500                     lpfc_rscn_payload_check(vport, Did)) {
 501                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 502                                 "Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
 503                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 504
 505                         /*
 506                          * This NPortID was previously a FCP/NVMe target,
 507                          * Don't even bother to send GFF_ID.
 508                          */
 509                         ndlp = lpfc_findnode_did(vport, Did);
 510                         if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
 511                             (ndlp->nlp_type &
 512                             (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
 513                                 if (fc4_type == FC_TYPE_FCP)
 514                                         ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 515                                 if (fc4_type == FC_TYPE_NVME)
 516                                         ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 517                                 lpfc_setup_disc_node(vport, Did);
 518                         } else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 519                                    0, Did) == 0)
 520                                 vport->num_disc_nodes++;
 521                         else
 522                                 lpfc_setup_disc_node(vport, Did);
 523                 } else {
 524                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 525                                 "Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 526                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 527
 528                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 529                                          "0245 Skip x%06x NameServer Rsp "
 530                                          "Data: x%x x%x\n", Did,
 531                                          vport->fc_flag,
 532                                          vport->fc_rscn_id_cnt);
 533                 }
 534         }
 535 }
 536
 537 static void
 538 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 539 {
 540         struct lpfc_hba *phba = vport->phba;
 541         struct lpfc_nodelist *ndlp = NULL;
 542         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 543
 544         /*
 545          * To conserve rpi's, filter out addresses for other
 546          * vports on the same physical HBAs.
 547          */
 548         if (Did != vport->fc_myDID &&
 549             (!lpfc_find_vport_by_did(phba, Did) ||
 550              vport->cfg_peer_port_login)) {
 551                 if (!phba->nvmet_support) {
 552                         /* FCPI/NVMEI path. Process Did */
 553                         lpfc_prep_node_fc4type(vport, Did, fc4_type);
 554                         return;
 555                 }
 556                 /* NVMET path.  NVMET only cares about NVMEI nodes. */
 557                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 558                         if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
 559                             ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
 560                                 continue;
 561                         spin_lock_irq(shost->host_lock);
 562                         if (ndlp->nlp_DID == Did)
 563                                 ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 564                         else
 565                                 ndlp->nlp_flag |= NLP_NVMET_RECOV;
 566                         spin_unlock_irq(shost->host_lock);
 567                 }
 568         }
 569 }
 570
 571 static int
 572 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
 573             uint32_t Size)
 574 {
 575         struct lpfc_sli_ct_request *Response =
 576                 (struct lpfc_sli_ct_request *) mp->virt;
 577         struct lpfc_dmabuf *mlast, *next_mp;
 578         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 579         uint32_t Did, CTentry;
 580         int Cnt;
 581         struct list_head head;
 582         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 583         struct lpfc_nodelist *ndlp = NULL;
 584
 585         lpfc_set_disctmo(vport);
 586         vport->num_disc_nodes = 0;
 587         vport->fc_ns_retry = 0;
 588
 589
 590         list_add_tail(&head, &mp->list);
 591         list_for_each_entry_safe(mp, next_mp, &head, list) {
 592                 mlast = mp;
 593
 594                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 595
 596                 Size -= Cnt;
 597
 598                 if (!ctptr) {
 599                         ctptr = (uint32_t *) mlast->virt;
 600                 } else
 601                         Cnt -= 16;      /* subtract length of CT header */
 602
 603                 /* Loop through entire NameServer list of DIDs */
 604                 while (Cnt >= sizeof(uint32_t)) {
 605                         /* Get next DID from NameServer List */
 606                         CTentry = *ctptr++;
 607                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 608                         lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
 609                         if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
 610                                 goto nsout1;
 611
 612                         Cnt -= sizeof(uint32_t);
 613                 }
 614                 ctptr = NULL;
 615
 616         }
 617
 618         /* All GID_FT entries processed.  If the driver is running in
 619          * in target mode, put impacted nodes into recovery and drop
 620          * the RPI to flush outstanding IO.
 621          */
 622         if (vport->phba->nvmet_support) {
 623                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 624                         if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
 625                                 continue;
 626                         lpfc_disc_state_machine(vport, ndlp, NULL,
 627                                                 NLP_EVT_DEVICE_RECOVERY);
 628                         spin_lock_irq(shost->host_lock);
 629                         ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 630                         spin_unlock_irq(shost->host_lock);
 631                 }
 632         }
 633
 634 nsout1:
 635         list_del(&head);
 636         return 0;
 637 }
 638
 639 static void
 640 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 641                         struct lpfc_iocbq *rspiocb)
 642 {
 643         struct lpfc_vport *vport = cmdiocb->vport;
 644         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 645         IOCB_t *irsp;
 646         struct lpfc_dmabuf *outp;
 647         struct lpfc_dmabuf *inp;
 648         struct lpfc_sli_ct_request *CTrsp;
 649         struct lpfc_sli_ct_request *CTreq;
 650         struct lpfc_nodelist *ndlp;
 651         int rc, type;
 652
 653         /* First save ndlp, before we overwrite it */
 654         ndlp = cmdiocb->context_un.ndlp;
 655
 656         /* we pass cmdiocb to state machine which needs rspiocb as well */
 657         cmdiocb->context_un.rsp_iocb = rspiocb;
 658         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 659         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 660         irsp = &rspiocb->iocb;
 661
 662         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 663                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 664                 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 665
 666         /* Don't bother processing response if vport is being torn down. */
 667         if (vport->load_flag & FC_UNLOADING) {
 668                 if (vport->fc_flag & FC_RSCN_MODE)
 669                         lpfc_els_flush_rscn(vport);
 670                 goto out;
 671         }
 672
 673         if (lpfc_els_chk_latt(vport)) {
 674                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 675                                  "0216 Link event during NS query\n");
 676                 if (vport->fc_flag & FC_RSCN_MODE)
 677                         lpfc_els_flush_rscn(vport);
 678                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 679                 goto out;
 680         }
 681         if (lpfc_error_lost_link(irsp)) {
 682                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 683                                  "0226 NS query failed due to link event\n");
 684                 if (vport->fc_flag & FC_RSCN_MODE)
 685                         lpfc_els_flush_rscn(vport);
 686                 goto out;
 687         }
 688         if (irsp->ulpStatus) {
 689                 /* Check for retry */
 690                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 691                         if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
 692                             (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
 693                             IOERR_NO_RESOURCES)
 694                                 vport->fc_ns_retry++;
 695
 696                         type = lpfc_get_gidft_type(vport, cmdiocb);
 697                         if (type == 0)
 698                                 goto out;
 699
 700                         /* CT command is being retried */
 701                         vport->gidft_inp--;
 702                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
 703                                          vport->fc_ns_retry, type);
 704                         if (rc == 0)
 705                                 goto out;
 706                 }
 707                 if (vport->fc_flag & FC_RSCN_MODE)
 708                         lpfc_els_flush_rscn(vport);
 709                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 710                 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 711                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
 712                                  irsp->ulpStatus, vport->fc_ns_retry);
 713         } else {
 714                 /* Good status, continue checking */
 715                 CTreq = (struct lpfc_sli_ct_request *) inp->virt;
 716                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 717                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 718                     cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
 719                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 720                                          "0208 NameServer Rsp Data: x%x x%x\n",
 721                                          vport->fc_flag,
 722                                          CTreq->un.gid.Fc4Type);
 723
 724                         lpfc_ns_rsp(vport,
 725                                     outp,
 726                                     CTreq->un.gid.Fc4Type,
 727                                     (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
 728                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 729                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 730                         /* NameServer Rsp Error */
 731                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 732                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 733                                 lpfc_printf_vlog(vport, KERN_INFO,
 734                                         LOG_DISCOVERY,
 735                                         "0269 No NameServer Entries "
 736                                         "Data: x%x x%x x%x x%x\n",
 737                                         CTrsp->CommandResponse.bits.CmdRsp,
 738                                         (uint32_t) CTrsp->ReasonCode,
 739                                         (uint32_t) CTrsp->Explanation,
 740                                         vport->fc_flag);
 741
 742                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 743                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
 744                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 745                                 (uint32_t) CTrsp->ReasonCode,
 746                                 (uint32_t) CTrsp->Explanation);
 747                         } else {
 748                                 lpfc_printf_vlog(vport, KERN_INFO,
 749                                         LOG_DISCOVERY,
 750                                         "0240 NameServer Rsp Error "
 751                                         "Data: x%x x%x x%x x%x\n",
 752                                         CTrsp->CommandResponse.bits.CmdRsp,
 753                                         (uint32_t) CTrsp->ReasonCode,
 754                                         (uint32_t) CTrsp->Explanation,
 755                                         vport->fc_flag);
 756
 757                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 758                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
 759                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 760                                 (uint32_t) CTrsp->ReasonCode,
 761                                 (uint32_t) CTrsp->Explanation);
 762                         }
 763
 764
 765                 } else {
 766                         /* NameServer Rsp Error */
 767                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 768                                         "0241 NameServer Rsp Error "
 769                                         "Data: x%x x%x x%x x%x\n",
 770                                         CTrsp->CommandResponse.bits.CmdRsp,
 771                                         (uint32_t) CTrsp->ReasonCode,
 772                                         (uint32_t) CTrsp->Explanation,
 773                                         vport->fc_flag);
 774
 775                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 776                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
 777                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 778                                 (uint32_t) CTrsp->ReasonCode,
 779                                 (uint32_t) CTrsp->Explanation);
 780                 }
 781                 vport->gidft_inp--;
 782         }
 783         /* Link up / RSCN discovery */
 784         if ((vport->num_disc_nodes == 0) &&
 785             (vport->gidft_inp == 0)) {
 786                 /*
 787                  * The driver has cycled through all Nports in the RSCN payload.
 788                  * Complete the handling by cleaning up and marking the
 789                  * current driver state.
 790                  */
 791                 if (vport->port_state >= LPFC_DISC_AUTH) {
 792                         if (vport->fc_flag & FC_RSCN_MODE) {
 793                                 lpfc_els_flush_rscn(vport);
 794                                 spin_lock_irq(shost->host_lock);
 795                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 796                                 spin_unlock_irq(shost->host_lock);
 797                         }
 798                         else
 799                                 lpfc_els_flush_rscn(vport);
 800                 }
 801
 802                 lpfc_disc_start(vport);
 803         }
 804 out:
 805         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 806         lpfc_ct_free_iocb(phba, cmdiocb);
 807         return;
 808 }
 809
 810 static void
 811 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 812                         struct lpfc_iocbq *rspiocb)
 813 {
 814         struct lpfc_vport *vport = cmdiocb->vport;
 815         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 816         IOCB_t *irsp = &rspiocb->iocb;
 817         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 818         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 819         struct lpfc_sli_ct_request *CTrsp;
 820         int did, rc, retry;
 821         uint8_t fbits;
 822         struct lpfc_nodelist *ndlp;
 823
 824         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
 825         did = be32_to_cpu(did);
 826
 827         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 828                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
 829                 irsp->ulpStatus, irsp->un.ulpWord[4], did);
 830
 831         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 832                 /* Good status, continue checking */
 833                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 834                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
 835
 836                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 837                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 838                         if ((fbits & FC4_FEATURE_INIT) &&
 839                             !(fbits & FC4_FEATURE_TARGET)) {
 840                                 lpfc_printf_vlog(vport, KERN_INFO,
 841                                                  LOG_DISCOVERY,
 842                                                  "0270 Skip x%x GFF "
 843                                                  "NameServer Rsp Data: (init) "
 844                                                  "x%x x%x\n", did, fbits,
 845                                                  vport->fc_rscn_id_cnt);
 846                                 goto out;
 847                         }
 848                 }
 849         }
 850         else {
 851                 /* Check for retry */
 852                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
 853                         retry = 1;
 854                         if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
 855                                 switch ((irsp->un.ulpWord[4] &
 856                                         IOERR_PARAM_MASK)) {
 857
 858                                 case IOERR_NO_RESOURCES:
 859                                         /* We don't increment the retry
 860                                          * count for this case.
 861                                          */
 862                                         break;
 863                                 case IOERR_LINK_DOWN:
 864                                 case IOERR_SLI_ABORTED:
 865                                 case IOERR_SLI_DOWN:
 866                                         retry = 0;
 867                                         break;
 868                                 default:
 869                                         cmdiocb->retry++;
 870                                 }
 871                         }
 872                         else
 873                                 cmdiocb->retry++;
 874
 875                         if (retry) {
 876                                 /* CT command is being retried */
 877                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 878                                          cmdiocb->retry, did);
 879                                 if (rc == 0) {
 880                                         /* success */
 881                                         lpfc_ct_free_iocb(phba, cmdiocb);
 882                                         return;
 883                                 }
 884                         }
 885                 }
 886                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 887                                  "0267 NameServer GFF Rsp "
 888                                  "x%x Error (%d %d) Data: x%x x%x\n",
 889                                  did, irsp->ulpStatus, irsp->un.ulpWord[4],
 890                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 891         }
 892
 893         /* This is a target port, unregistered port, or the GFF_ID failed */
 894         ndlp = lpfc_setup_disc_node(vport, did);
 895         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 896                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 897                                  "0242 Process x%x GFF "
 898                                  "NameServer Rsp Data: x%x x%x x%x\n",
 899                                  did, ndlp->nlp_flag, vport->fc_flag,
 900                                  vport->fc_rscn_id_cnt);
 901         } else {
 902                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 903                                  "0243 Skip x%x GFF "
 904                                  "NameServer Rsp Data: x%x x%x\n", did,
 905                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 906         }
 907 out:
 908         /* Link up / RSCN discovery */
 909         if (vport->num_disc_nodes)
 910                 vport->num_disc_nodes--;
 911         if (vport->num_disc_nodes == 0) {
 912                 /*
 913                  * The driver has cycled through all Nports in the RSCN payload.
 914                  * Complete the handling by cleaning up and marking the
 915                  * current driver state.
 916                  */
 917                 if (vport->port_state >= LPFC_DISC_AUTH) {
 918                         if (vport->fc_flag & FC_RSCN_MODE) {
 919                                 lpfc_els_flush_rscn(vport);
 920                                 spin_lock_irq(shost->host_lock);
 921                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 922                                 spin_unlock_irq(shost->host_lock);
 923                         }
 924                         else
 925                                 lpfc_els_flush_rscn(vport);
 926                 }
 927                 lpfc_disc_start(vport);
 928         }
 929         lpfc_ct_free_iocb(phba, cmdiocb);
 930         return;
 931 }
 932
 933 static void
 934 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 935                                 struct lpfc_iocbq *rspiocb)
 936 {
 937         struct lpfc_vport *vport = cmdiocb->vport;
 938         IOCB_t *irsp = &rspiocb->iocb;
 939         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
 940         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
 941         struct lpfc_sli_ct_request *CTrsp;
 942         int did;
 943         struct lpfc_nodelist *ndlp;
 944         uint32_t fc4_data_0, fc4_data_1;
 945
 946         did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
 947         did = be32_to_cpu(did);
 948
 949         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 950                               "GFT_ID cmpl: status:x%x/x%x did:x%x",
 951                               irsp->ulpStatus, irsp->un.ulpWord[4], did);
 952
 953         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 954                 /* Good status, continue checking */
 955                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
 956                 fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
 957                 fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
 958                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 959                                  "3062 DID x%06x GFT Wd0 x%08x Wd1 x%08x\n",
 960                                  did, fc4_data_0, fc4_data_1);
 961
 962                 ndlp = lpfc_findnode_did(vport, did);
 963                 if (ndlp) {
 964                         /* The bitmask value for FCP and NVME FCP types is
 965                          * the same because they are 32 bits distant from
 966                          * each other in word0 and word0.
 967                          */
 968                         if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
 969                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 970                         if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
 971                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 972                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 973                                          "3064 Setting ndlp %p, DID x%06x with "
 974                                          "FC4 x%08x, Data: x%08x x%08x\n",
 975                                          ndlp, did, ndlp->nlp_fc4_type,
 976                                          FC_TYPE_FCP, FC_TYPE_NVME);
 977                         ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
 978
 979                         lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
 980                         lpfc_issue_els_prli(vport, ndlp, 0);
 981                 }
 982         } else
 983                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 984                                  "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
 985
 986         lpfc_ct_free_iocb(phba, cmdiocb);
 987 }
 988
 989 static void
 990 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 991              struct lpfc_iocbq *rspiocb)
 992 {
 993         struct lpfc_vport *vport = cmdiocb->vport;
 994         struct lpfc_dmabuf *inp;
 995         struct lpfc_dmabuf *outp;
 996         IOCB_t *irsp;
 997         struct lpfc_sli_ct_request *CTrsp;
 998         struct lpfc_nodelist *ndlp;
 999         int cmdcode, rc;
1000         uint8_t retry;
1001         uint32_t latt;
1002
1003         /* First save ndlp, before we overwrite it */
1004         ndlp = cmdiocb->context_un.ndlp;
1005
1006         /* we pass cmdiocb to state machine which needs rspiocb as well */
1007         cmdiocb->context_un.rsp_iocb = rspiocb;
1008
1009         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1010         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1011         irsp = &rspiocb->iocb;
1012
1013         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1014                                         CommandResponse.bits.CmdRsp);
1015         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1016
1017         latt = lpfc_els_chk_latt(vport);
1018
1019         /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
1020         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1021                          "0209 CT Request completes, latt %d, "
1022                          "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1023                          latt, irsp->ulpStatus,
1024                          CTrsp->CommandResponse.bits.CmdRsp,
1025                          cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
1026
1027         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1028                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1029                 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
1030
1031         if (irsp->ulpStatus) {
1032                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1033                                  "0268 NS cmd x%x Error (x%x x%x)\n",
1034                                  cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
1035
1036                 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1037                         (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1038                           IOERR_SLI_DOWN) ||
1039                          ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1040                           IOERR_SLI_ABORTED)))
1041                         goto out;
1042
1043                 retry = cmdiocb->retry;
1044                 if (retry >= LPFC_MAX_NS_RETRY)
1045                         goto out;
1046
1047                 retry++;
1048                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1049                                  "0250 Retrying NS cmd %x\n", cmdcode);
1050                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1051                 if (rc == 0)
1052                         goto out;
1053         }
1054
1055 out:
1056         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1057         lpfc_ct_free_iocb(phba, cmdiocb);
1058         return;
1059 }
1060
1061 static void
1062 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1063                         struct lpfc_iocbq *rspiocb)
1064 {
1065         IOCB_t *irsp = &rspiocb->iocb;
1066         struct lpfc_vport *vport = cmdiocb->vport;
1067
1068         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1069                 struct lpfc_dmabuf *outp;
1070                 struct lpfc_sli_ct_request *CTrsp;
1071
1072                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1073                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1074                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1075                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1076                         vport->ct_flags |= FC_CT_RFT_ID;
1077         }
1078         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1079         return;
1080 }
1081
1082 static void
1083 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1084                         struct lpfc_iocbq *rspiocb)
1085 {
1086         IOCB_t *irsp = &rspiocb->iocb;
1087         struct lpfc_vport *vport = cmdiocb->vport;
1088
1089         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1090                 struct lpfc_dmabuf *outp;
1091                 struct lpfc_sli_ct_request *CTrsp;
1092
1093                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1094                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1095                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1096                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1097                         vport->ct_flags |= FC_CT_RNN_ID;
1098         }
1099         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1100         return;
1101 }
1102
1103 static void
1104 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1105                          struct lpfc_iocbq *rspiocb)
1106 {
1107         IOCB_t *irsp = &rspiocb->iocb;
1108         struct lpfc_vport *vport = cmdiocb->vport;
1109
1110         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1111                 struct lpfc_dmabuf *outp;
1112                 struct lpfc_sli_ct_request *CTrsp;
1113
1114                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1115                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1116                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1117                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1118                         vport->ct_flags |= FC_CT_RSPN_ID;
1119         }
1120         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1121         return;
1122 }
1123
1124 static void
1125 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1126                          struct lpfc_iocbq *rspiocb)
1127 {
1128         IOCB_t *irsp = &rspiocb->iocb;
1129         struct lpfc_vport *vport = cmdiocb->vport;
1130
1131         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1132                 struct lpfc_dmabuf *outp;
1133                 struct lpfc_sli_ct_request *CTrsp;
1134
1135                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1136                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1137                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1138                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1139                         vport->ct_flags |= FC_CT_RSNN_NN;
1140         }
1141         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1142         return;
1143 }
1144
1145 static void
1146 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1147  struct lpfc_iocbq *rspiocb)
1148 {
1149         struct lpfc_vport *vport = cmdiocb->vport;
1150
1151         /* even if it fails we will act as though it succeeded. */
1152         vport->ct_flags = 0;
1153         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1154         return;
1155 }
1156
1157 static void
1158 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1159                         struct lpfc_iocbq *rspiocb)
1160 {
1161         IOCB_t *irsp = &rspiocb->iocb;
1162         struct lpfc_vport *vport = cmdiocb->vport;
1163
1164         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1165                 struct lpfc_dmabuf *outp;
1166                 struct lpfc_sli_ct_request *CTrsp;
1167
1168                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1169                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1170                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1171                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1172                         vport->ct_flags |= FC_CT_RFF_ID;
1173         }
1174         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1175         return;
1176 }
1177
1178 /*
1179  * Although the symbolic port name is thought to be an integer
1180  * as of January 18, 2016, leave it as a string until more of
1181  * the record state becomes defined.
1182  */
1183 int
1184 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1185         size_t size)
1186 {
1187         int n;
1188
1189         /*
1190          * Use the lpfc board number as the Symbolic Port
1191          * Name object.  NPIV is not in play so this integer
1192          * value is sufficient and unique per FC-ID.
1193          */
1194         n = snprintf(symbol, size, "%d", vport->phba->brd_no);
1195         return n;
1196 }
1197
1198
1199 int
1200 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1201         size_t size)
1202 {
1203         char fwrev[FW_REV_STR_SIZE];
1204         int n;
1205
1206         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1207
1208         n = snprintf(symbol, size, "Emulex %s", vport->phba->ModelName);
1209         if (size < n)
1210                 return n;
1211
1212         n += snprintf(symbol + n, size - n, " FV%s", fwrev);
1213         if (size < n)
1214                 return n;
1215
1216         n += snprintf(symbol + n, size - n, " DV%s.",
1217                       lpfc_release_version);
1218         if (size < n)
1219                 return n;
1220
1221         n += snprintf(symbol + n, size - n, " HN:%s.",
1222                       init_utsname()->nodename);
1223         if (size < n)
1224                 return n;
1225
1226         /* Note :- OS name is "Linux" */
1227         n += snprintf(symbol + n, size - n, " OS:%s\n",
1228                       init_utsname()->sysname);
1229         return n;
1230 }
1231
1232 static uint32_t
1233 lpfc_find_map_node(struct lpfc_vport *vport)
1234 {
1235         struct lpfc_nodelist *ndlp, *next_ndlp;
1236         struct Scsi_Host  *shost;
1237         uint32_t cnt = 0;
1238
1239         shost = lpfc_shost_from_vport(vport);
1240         spin_lock_irq(shost->host_lock);
1241         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1242                 if (ndlp->nlp_type & NLP_FABRIC)
1243                         continue;
1244                 if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1245                     (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1246                         cnt++;
1247         }
1248         spin_unlock_irq(shost->host_lock);
1249         return cnt;
1250 }
1251
1252 /*
1253  * This routine will return the FC4 Type associated with the CT
1254  * GID_FT command.
1255  */
1256 int
1257 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1258 {
1259         struct lpfc_sli_ct_request *CtReq;
1260         struct lpfc_dmabuf *mp;
1261         uint32_t type;
1262
1263         mp = cmdiocb->context1;
1264         if (mp == NULL)
1265                 return 0;
1266         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1267         type = (uint32_t)CtReq->un.gid.Fc4Type;
1268         if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1269                 return 0;
1270         return type;
1271 }
1272
1273 /*
1274  * lpfc_ns_cmd
1275  * Description:
1276  *    Issue Cmd to NameServer
1277  *       SLI_CTNS_GID_FT
1278  *       LI_CTNS_RFT_ID
1279  */
1280 int
1281 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1282             uint8_t retry, uint32_t context)
1283 {
1284         struct lpfc_nodelist * ndlp;
1285         struct lpfc_hba *phba = vport->phba;
1286         struct lpfc_dmabuf *mp, *bmp;
1287         struct lpfc_sli_ct_request *CtReq;
1288         struct ulp_bde64 *bpl;
1289         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1290                       struct lpfc_iocbq *) = NULL;
1291         uint32_t rsp_size = 1024;
1292         size_t   size;
1293         int rc = 0;
1294
1295         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1296         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1297             || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1298                 rc=1;
1299                 goto ns_cmd_exit;
1300         }
1301
1302         /* fill in BDEs for command */
1303         /* Allocate buffer for command payload */
1304         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1305         if (!mp) {
1306                 rc=2;
1307                 goto ns_cmd_exit;
1308         }
1309
1310         INIT_LIST_HEAD(&mp->list);
1311         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1312         if (!mp->virt) {
1313                 rc=3;
1314                 goto ns_cmd_free_mp;
1315         }
1316
1317         /* Allocate buffer for Buffer ptr list */
1318         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1319         if (!bmp) {
1320                 rc=4;
1321                 goto ns_cmd_free_mpvirt;
1322         }
1323
1324         INIT_LIST_HEAD(&bmp->list);
1325         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1326         if (!bmp->virt) {
1327                 rc=5;
1328                 goto ns_cmd_free_bmp;
1329         }
1330
1331         /* NameServer Req */
1332         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1333                          "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1334                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1335                          context);
1336
1337         bpl = (struct ulp_bde64 *) bmp->virt;
1338         memset(bpl, 0, sizeof(struct ulp_bde64));
1339         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1340         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1341         bpl->tus.f.bdeFlags = 0;
1342         if (cmdcode == SLI_CTNS_GID_FT)
1343                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1344         else if (cmdcode == SLI_CTNS_GFF_ID)
1345                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1346         else if (cmdcode == SLI_CTNS_GFT_ID)
1347                 bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1348         else if (cmdcode == SLI_CTNS_RFT_ID)
1349                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1350         else if (cmdcode == SLI_CTNS_RNN_ID)
1351                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1352         else if (cmdcode == SLI_CTNS_RSPN_ID)
1353                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1354         else if (cmdcode == SLI_CTNS_RSNN_NN)
1355                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1356         else if (cmdcode == SLI_CTNS_DA_ID)
1357                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1358         else if (cmdcode == SLI_CTNS_RFF_ID)
1359                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1360         else
1361                 bpl->tus.f.bdeSize = 0;
1362         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1363
1364         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1365         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1366         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1367         CtReq->RevisionId.bits.InId = 0;
1368         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1369         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1370         CtReq->CommandResponse.bits.Size = 0;
1371         switch (cmdcode) {
1372         case SLI_CTNS_GID_FT:
1373                 CtReq->CommandResponse.bits.CmdRsp =
1374                     cpu_to_be16(SLI_CTNS_GID_FT);
1375                 CtReq->un.gid.Fc4Type = context;
1376
1377                 if (vport->port_state < LPFC_NS_QRY)
1378                         vport->port_state = LPFC_NS_QRY;
1379                 lpfc_set_disctmo(vport);
1380                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1381                 rsp_size = FC_MAX_NS_RSP;
1382                 break;
1383
1384         case SLI_CTNS_GFF_ID:
1385                 CtReq->CommandResponse.bits.CmdRsp =
1386                         cpu_to_be16(SLI_CTNS_GFF_ID);
1387                 CtReq->un.gff.PortId = cpu_to_be32(context);
1388                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
1389                 break;
1390
1391         case SLI_CTNS_GFT_ID:
1392                 CtReq->CommandResponse.bits.CmdRsp =
1393                         cpu_to_be16(SLI_CTNS_GFT_ID);
1394                 CtReq->un.gft.PortId = cpu_to_be32(context);
1395                 cmpl = lpfc_cmpl_ct_cmd_gft_id;
1396                 break;
1397
1398         case SLI_CTNS_RFT_ID:
1399                 vport->ct_flags &= ~FC_CT_RFT_ID;
1400                 CtReq->CommandResponse.bits.CmdRsp =
1401                     cpu_to_be16(SLI_CTNS_RFT_ID);
1402                 CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1403
1404                 /* Register FC4 FCP type if enabled.  */
1405                 if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1406                     (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP))
1407                         CtReq->un.rft.fcpReg = 1;
1408
1409                 /* Register NVME type if enabled.  Defined LE and swapped.
1410                  * rsvd[0] is used as word1 because of the hard-coded
1411                  * word0 usage in the ct_request data structure.
1412                  */
1413                 if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1414                     (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME))
1415                         CtReq->un.rft.rsvd[0] = cpu_to_be32(0x00000100);
1416
1417                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
1418                 break;
1419
1420         case SLI_CTNS_RNN_ID:
1421                 vport->ct_flags &= ~FC_CT_RNN_ID;
1422                 CtReq->CommandResponse.bits.CmdRsp =
1423                     cpu_to_be16(SLI_CTNS_RNN_ID);
1424                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1425                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1426                        sizeof(struct lpfc_name));
1427                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1428                 break;
1429
1430         case SLI_CTNS_RSPN_ID:
1431                 vport->ct_flags &= ~FC_CT_RSPN_ID;
1432                 CtReq->CommandResponse.bits.CmdRsp =
1433                     cpu_to_be16(SLI_CTNS_RSPN_ID);
1434                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1435                 size = sizeof(CtReq->un.rspn.symbname);
1436                 CtReq->un.rspn.len =
1437                         lpfc_vport_symbolic_port_name(vport,
1438                         CtReq->un.rspn.symbname, size);
1439                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1440                 break;
1441         case SLI_CTNS_RSNN_NN:
1442                 vport->ct_flags &= ~FC_CT_RSNN_NN;
1443                 CtReq->CommandResponse.bits.CmdRsp =
1444                     cpu_to_be16(SLI_CTNS_RSNN_NN);
1445                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1446                        sizeof(struct lpfc_name));
1447                 size = sizeof(CtReq->un.rsnn.symbname);
1448                 CtReq->un.rsnn.len =
1449                         lpfc_vport_symbolic_node_name(vport,
1450                         CtReq->un.rsnn.symbname, size);
1451                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1452                 break;
1453         case SLI_CTNS_DA_ID:
1454                 /* Implement DA_ID Nameserver request */
1455                 CtReq->CommandResponse.bits.CmdRsp =
1456                         cpu_to_be16(SLI_CTNS_DA_ID);
1457                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1458                 cmpl = lpfc_cmpl_ct_cmd_da_id;
1459                 break;
1460         case SLI_CTNS_RFF_ID:
1461                 vport->ct_flags &= ~FC_CT_RFF_ID;
1462                 CtReq->CommandResponse.bits.CmdRsp =
1463                     cpu_to_be16(SLI_CTNS_RFF_ID);
1464                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1465                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1466
1467                 /* The driver always supports FC_TYPE_FCP.  However, the
1468                  * caller can specify NVME (type x28) as well.  But only
1469                  * these that FC4 type is supported.
1470                  */
1471                 if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1472                      (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
1473                     (context == FC_TYPE_NVME)) {
1474                         if ((vport == phba->pport) && phba->nvmet_support) {
1475                                 CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
1476                                         FC4_FEATURE_NVME_DISC);
1477                                 lpfc_nvmet_update_targetport(phba);
1478                         } else {
1479                                 lpfc_nvme_update_localport(vport);
1480                         }
1481                         CtReq->un.rff.type_code = context;
1482
1483                 } else if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1484                             (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
1485                            (context == FC_TYPE_FCP))
1486                         CtReq->un.rff.type_code = context;
1487
1488                 else
1489                         goto ns_cmd_free_bmpvirt;
1490
1491                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
1492                 break;
1493         }
1494         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1495          * to hold ndlp reference for the corresponding callback function.
1496          */
1497         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1498                 /* On success, The cmpl function will free the buffers */
1499                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1500                         "Issue CT cmd:    cmd:x%x did:x%x",
1501                         cmdcode, ndlp->nlp_DID, 0);
1502                 return 0;
1503         }
1504         rc=6;
1505
1506         /* Decrement ndlp reference count to release ndlp reference held
1507          * for the failed command's callback function.
1508          */
1509         lpfc_nlp_put(ndlp);
1510
1511 ns_cmd_free_bmpvirt:
1512         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1513 ns_cmd_free_bmp:
1514         kfree(bmp);
1515 ns_cmd_free_mpvirt:
1516         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1517 ns_cmd_free_mp:
1518         kfree(mp);
1519 ns_cmd_exit:
1520         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1521                          "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1522                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1523         return 1;
1524 }
1525
1526 /**
1527  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
1528  * @phba: Pointer to HBA context object.
1529  * @cmdiocb: Pointer to the command IOCBQ.
1530  * @rspiocb: Pointer to the response IOCBQ.
1531  *
1532  * This function to handle the completion of a driver initiated FDMI
1533  * CT command issued during discovery.
1534  */
1535 static void
1536 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1537                        struct lpfc_iocbq *rspiocb)
1538 {
1539         struct lpfc_vport *vport = cmdiocb->vport;
1540         struct lpfc_dmabuf *inp = cmdiocb->context1;
1541         struct lpfc_dmabuf *outp = cmdiocb->context2;
1542         struct lpfc_sli_ct_request *CTcmd = inp->virt;
1543         struct lpfc_sli_ct_request *CTrsp = outp->virt;
1544         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1545         uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1546         IOCB_t *irsp = &rspiocb->iocb;
1547         struct lpfc_nodelist *ndlp;
1548         uint32_t latt, cmd, err;
1549
1550         latt = lpfc_els_chk_latt(vport);
1551         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1552                 "FDMI cmpl:       status:x%x/x%x latt:%d",
1553                 irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1554
1555         if (latt || irsp->ulpStatus) {
1556
1557                 /* Look for a retryable error */
1558                 if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1559                         switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) {
1560                         case IOERR_SLI_ABORTED:
1561                         case IOERR_ABORT_IN_PROGRESS:
1562                         case IOERR_SEQUENCE_TIMEOUT:
1563                         case IOERR_ILLEGAL_FRAME:
1564                         case IOERR_NO_RESOURCES:
1565                         case IOERR_ILLEGAL_COMMAND:
1566                                 cmdiocb->retry++;
1567                                 if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
1568                                         break;
1569
1570                                 /* Retry the same FDMI command */
1571                                 err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
1572                                                           cmdiocb, 0);
1573                                 if (err == IOCB_ERROR)
1574                                         break;
1575                                 return;
1576                         default:
1577                                 break;
1578                         }
1579                 }
1580
1581                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1582                                  "0229 FDMI cmd %04x failed, latt = %d "
1583                                  "ulpStatus: x%x, rid x%x\n",
1584                                  be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1585                                  irsp->un.ulpWord[4]);
1586         }
1587         lpfc_ct_free_iocb(phba, cmdiocb);
1588
1589         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1590         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1591                 return;
1592
1593         /* Check for a CT LS_RJT response */
1594         cmd =  be16_to_cpu(fdmi_cmd);
1595         if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
1596                 /* FDMI rsp failed */
1597                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1598                                  "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
1599
1600                 /* Should we fallback to FDMI-2 / FDMI-1 ? */
1601                 switch (cmd) {
1602                 case SLI_MGMT_RHBA:
1603                         if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
1604                                 /* Fallback to FDMI-1 */
1605                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1606                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1607                                 /* Start over */
1608                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1609                         }
1610                         return;
1611
1612                 case SLI_MGMT_RPRT:
1613                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1614                                 /* Fallback to FDMI-1 */
1615                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1616                                 /* Start over */
1617                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1618                         }
1619                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1620                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1621                                 /* Retry the same command */
1622                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1623                         }
1624                         return;
1625
1626                 case SLI_MGMT_RPA:
1627                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1628                                 /* Fallback to FDMI-1 */
1629                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1630                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1631                                 /* Start over */
1632                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1633                         }
1634                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1635                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1636                                 /* Retry the same command */
1637                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1638                         }
1639                         return;
1640                 }
1641         }
1642
1643         /*
1644          * On success, need to cycle thru FDMI registration for discovery
1645          * DHBA -> DPRT -> RHBA -> RPA  (physical port)
1646          * DPRT -> RPRT (vports)
1647          */
1648         switch (cmd) {
1649         case SLI_MGMT_RHBA:
1650                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
1651                 break;
1652
1653         case SLI_MGMT_DHBA:
1654                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
1655                 break;
1656
1657         case SLI_MGMT_DPRT:
1658                 if (vport->port_type == LPFC_PHYSICAL_PORT)
1659                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
1660                 else
1661                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
1662                 break;
1663         }
1664         return;
1665 }
1666
1667
1668 /**
1669  * lpfc_fdmi_num_disc_check - Check how many mapped NPorts we are connected to
1670  * @vport: pointer to a host virtual N_Port data structure.
1671  *
1672  * Called from hbeat timeout routine to check if the number of discovered
1673  * ports has changed. If so, re-register thar port Attribute.
1674  */
1675 void
1676 lpfc_fdmi_num_disc_check(struct lpfc_vport *vport)
1677 {
1678         struct lpfc_hba *phba = vport->phba;
1679         struct lpfc_nodelist *ndlp;
1680         uint16_t cnt;
1681
1682         if (!lpfc_is_link_up(phba))
1683                 return;
1684
1685         /* Must be connected to a Fabric */
1686         if (!(vport->fc_flag & FC_FABRIC))
1687                 return;
1688
1689         if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
1690                 return;
1691
1692         cnt = lpfc_find_map_node(vport);
1693         if (cnt == vport->fdmi_num_disc)
1694                 return;
1695
1696         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1697         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1698                 return;
1699
1700         if (vport->port_type == LPFC_PHYSICAL_PORT) {
1701                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
1702                               LPFC_FDMI_PORT_ATTR_num_disc);
1703         } else {
1704                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
1705                               LPFC_FDMI_PORT_ATTR_num_disc);
1706         }
1707 }
1708
1709 /* Routines for all individual HBA attributes */
1710 static int
1711 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
1712 {
1713         struct lpfc_fdmi_attr_entry *ae;
1714         uint32_t size;
1715
1716         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1717         memset(ae, 0, sizeof(struct lpfc_name));
1718
1719         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
1720                sizeof(struct lpfc_name));
1721         size = FOURBYTES + sizeof(struct lpfc_name);
1722         ad->AttrLen = cpu_to_be16(size);
1723         ad->AttrType = cpu_to_be16(RHBA_NODENAME);
1724         return size;
1725 }
1726 static int
1727 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
1728                                 struct lpfc_fdmi_attr_def *ad)
1729 {
1730         struct lpfc_fdmi_attr_entry *ae;
1731         uint32_t len, size;
1732
1733         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1734         memset(ae, 0, 256);
1735
1736         strncpy(ae->un.AttrString,
1737                 "Emulex Corporation",
1738                        sizeof(ae->un.AttrString));
1739         len = strnlen(ae->un.AttrString,
1740                           sizeof(ae->un.AttrString));
1741         len += (len & 3) ? (4 - (len & 3)) : 4;
1742         size = FOURBYTES + len;
1743         ad->AttrLen = cpu_to_be16(size);
1744         ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
1745         return size;
1746 }
1747
1748 static int
1749 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
1750 {
1751         struct lpfc_hba *phba = vport->phba;
1752         struct lpfc_fdmi_attr_entry *ae;
1753         uint32_t len, size;
1754
1755         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1756         memset(ae, 0, 256);
1757
1758         strncpy(ae->un.AttrString, phba->SerialNumber,
1759                 sizeof(ae->un.AttrString));
1760         len = strnlen(ae->un.AttrString,
1761                           sizeof(ae->un.AttrString));
1762         len += (len & 3) ? (4 - (len & 3)) : 4;
1763         size = FOURBYTES + len;
1764         ad->AttrLen = cpu_to_be16(size);
1765         ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
1766         return size;
1767 }
1768
1769 static int
1770 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
1771                          struct lpfc_fdmi_attr_def *ad)
1772 {
1773         struct lpfc_hba *phba = vport->phba;
1774         struct lpfc_fdmi_attr_entry *ae;
1775         uint32_t len, size;
1776
1777         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1778         memset(ae, 0, 256);
1779
1780         strncpy(ae->un.AttrString, phba->ModelName,
1781                 sizeof(ae->un.AttrString));
1782         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
1783         len += (len & 3) ? (4 - (len & 3)) : 4;
1784         size = FOURBYTES + len;
1785         ad->AttrLen = cpu_to_be16(size);
1786         ad->AttrType = cpu_to_be16(RHBA_MODEL);
1787         return size;
1788 }
1789
1790 static int
1791 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
1792                                struct lpfc_fdmi_attr_def *ad)
1793 {
1794         struct lpfc_hba *phba = vport->phba;
1795         struct lpfc_fdmi_attr_entry *ae;
1796         uint32_t len, size;
1797
1798         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1799         memset(ae, 0, 256);
1800
1801         strncpy(ae->un.AttrString, phba->ModelDesc,
1802                 sizeof(ae->un.AttrString));
1803         len = strnlen(ae->un.AttrString,
1804                                   sizeof(ae->un.AttrString));
1805         len += (len & 3) ? (4 - (len & 3)) : 4;
1806         size = FOURBYTES + len;
1807         ad->AttrLen = cpu_to_be16(size);
1808         ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
1809         return size;
1810 }
1811
1812 static int
1813 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
1814                            struct lpfc_fdmi_attr_def *ad)
1815 {
1816         struct lpfc_hba *phba = vport->phba;
1817         lpfc_vpd_t *vp = &phba->vpd;
1818         struct lpfc_fdmi_attr_entry *ae;
1819         uint32_t i, j, incr, size;
1820
1821         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1822         memset(ae, 0, 256);
1823
1824         /* Convert JEDEC ID to ascii for hardware version */
1825         incr = vp->rev.biuRev;
1826         for (i = 0; i < 8; i++) {
1827                 j = (incr & 0xf);
1828                 if (j <= 9)
1829                         ae->un.AttrString[7 - i] =
1830                             (char)((uint8_t) 0x30 +
1831                                    (uint8_t) j);
1832                 else
1833                         ae->un.AttrString[7 - i] =
1834                             (char)((uint8_t) 0x61 +
1835                                    (uint8_t) (j - 10));
1836                 incr = (incr >> 4);
1837         }
1838         size = FOURBYTES + 8;
1839         ad->AttrLen = cpu_to_be16(size);
1840         ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
1841         return size;
1842 }
1843
1844 static int
1845 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
1846                             struct lpfc_fdmi_attr_def *ad)
1847 {
1848         struct lpfc_fdmi_attr_entry *ae;
1849         uint32_t len, size;
1850
1851         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1852         memset(ae, 0, 256);
1853
1854         strncpy(ae->un.AttrString, lpfc_release_version,
1855                 sizeof(ae->un.AttrString));
1856         len = strnlen(ae->un.AttrString,
1857                           sizeof(ae->un.AttrString));
1858         len += (len & 3) ? (4 - (len & 3)) : 4;
1859         size = FOURBYTES + len;
1860         ad->AttrLen = cpu_to_be16(size);
1861         ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
1862         return size;
1863 }
1864
1865 static int
1866 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
1867                            struct lpfc_fdmi_attr_def *ad)
1868 {
1869         struct lpfc_hba *phba = vport->phba;
1870         struct lpfc_fdmi_attr_entry *ae;
1871         uint32_t len, size;
1872
1873         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1874         memset(ae, 0, 256);
1875
1876         if (phba->sli_rev == LPFC_SLI_REV4)
1877                 lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
1878         else
1879                 strncpy(ae->un.AttrString, phba->OptionROMVersion,
1880                         sizeof(ae->un.AttrString));
1881         len = strnlen(ae->un.AttrString,
1882                           sizeof(ae->un.AttrString));
1883         len += (len & 3) ? (4 - (len & 3)) : 4;
1884         size = FOURBYTES + len;
1885         ad->AttrLen = cpu_to_be16(size);
1886         ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
1887         return size;
1888 }
1889
1890 static int
1891 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
1892                            struct lpfc_fdmi_attr_def *ad)
1893 {
1894         struct lpfc_hba *phba = vport->phba;
1895         struct lpfc_fdmi_attr_entry *ae;
1896         uint32_t len, size;
1897
1898         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1899         memset(ae, 0, 256);
1900
1901         lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
1902         len = strnlen(ae->un.AttrString,
1903                           sizeof(ae->un.AttrString));
1904         len += (len & 3) ? (4 - (len & 3)) : 4;
1905         size = FOURBYTES + len;
1906         ad->AttrLen = cpu_to_be16(size);
1907         ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
1908         return size;
1909 }
1910
1911 static int
1912 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
1913                           struct lpfc_fdmi_attr_def *ad)
1914 {
1915         struct lpfc_fdmi_attr_entry *ae;
1916         uint32_t len, size;
1917
1918         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1919         memset(ae, 0, 256);
1920
1921         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
1922                  init_utsname()->sysname,
1923                  init_utsname()->release,
1924                  init_utsname()->version);
1925
1926         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
1927         len += (len & 3) ? (4 - (len & 3)) : 4;
1928         size = FOURBYTES + len;
1929         ad->AttrLen = cpu_to_be16(size);
1930         ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
1931         return size;
1932 }
1933
1934 static int
1935 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
1936                           struct lpfc_fdmi_attr_def *ad)
1937 {
1938         struct lpfc_fdmi_attr_entry *ae;
1939         uint32_t size;
1940
1941         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1942
1943         ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
1944         size = FOURBYTES + sizeof(uint32_t);
1945         ad->AttrLen = cpu_to_be16(size);
1946         ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
1947         return size;
1948 }
1949
1950 static int
1951 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
1952                                  struct lpfc_fdmi_attr_def *ad)
1953 {
1954         struct lpfc_fdmi_attr_entry *ae;
1955         uint32_t len, size;
1956
1957         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1958         memset(ae, 0, 256);
1959
1960         len = lpfc_vport_symbolic_node_name(vport,
1961                                 ae->un.AttrString, 256);
1962         len += (len & 3) ? (4 - (len & 3)) : 4;
1963         size = FOURBYTES + len;
1964         ad->AttrLen = cpu_to_be16(size);
1965         ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
1966         return size;
1967 }
1968
1969 static int
1970 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
1971                                struct lpfc_fdmi_attr_def *ad)
1972 {
1973         struct lpfc_fdmi_attr_entry *ae;
1974         uint32_t size;
1975
1976         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1977
1978         /* Nothing is defined for this currently */
1979         ae->un.AttrInt =  cpu_to_be32(0);
1980         size = FOURBYTES + sizeof(uint32_t);
1981         ad->AttrLen = cpu_to_be16(size);
1982         ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
1983         return size;
1984 }
1985
1986 static int
1987 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
1988                              struct lpfc_fdmi_attr_def *ad)
1989 {
1990         struct lpfc_fdmi_attr_entry *ae;
1991         uint32_t size;
1992
1993         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1994
1995         /* Each driver instance corresponds to a single port */
1996         ae->un.AttrInt =  cpu_to_be32(1);
1997         size = FOURBYTES + sizeof(uint32_t);
1998         ad->AttrLen = cpu_to_be16(size);
1999         ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2000         return size;
2001 }
2002
2003 static int
2004 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2005                                struct lpfc_fdmi_attr_def *ad)
2006 {
2007         struct lpfc_fdmi_attr_entry *ae;
2008         uint32_t size;
2009
2010         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2011         memset(ae, 0, sizeof(struct lpfc_name));
2012
2013         memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2014                sizeof(struct lpfc_name));
2015         size = FOURBYTES + sizeof(struct lpfc_name);
2016         ad->AttrLen = cpu_to_be16(size);
2017         ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2018         return size;
2019 }
2020
2021 static int
2022 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2023                             struct lpfc_fdmi_attr_def *ad)
2024 {
2025         struct lpfc_hba *phba = vport->phba;
2026         struct lpfc_fdmi_attr_entry *ae;
2027         uint32_t len, size;
2028
2029         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2030         memset(ae, 0, 256);
2031
2032         lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2033         len = strnlen(ae->un.AttrString,
2034                           sizeof(ae->un.AttrString));
2035         len += (len & 3) ? (4 - (len & 3)) : 4;
2036         size = FOURBYTES + len;
2037         ad->AttrLen = cpu_to_be16(size);
2038         ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2039         return size;
2040 }
2041
2042 static int
2043 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2044                               struct lpfc_fdmi_attr_def *ad)
2045 {
2046         struct lpfc_fdmi_attr_entry *ae;
2047         uint32_t size;
2048
2049         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2050
2051         /* Driver doesn't have access to this information */
2052         ae->un.AttrInt =  cpu_to_be32(0);
2053         size = FOURBYTES + sizeof(uint32_t);
2054         ad->AttrLen = cpu_to_be16(size);
2055         ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2056         return size;
2057 }
2058
2059 static int
2060 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2061                              struct lpfc_fdmi_attr_def *ad)
2062 {
2063         struct lpfc_fdmi_attr_entry *ae;
2064         uint32_t len, size;
2065
2066         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2067         memset(ae, 0, 256);
2068
2069         strncpy(ae->un.AttrString, "EMULEX",
2070                 sizeof(ae->un.AttrString));
2071         len = strnlen(ae->un.AttrString,
2072                           sizeof(ae->un.AttrString));
2073         len += (len & 3) ? (4 - (len & 3)) : 4;
2074         size = FOURBYTES + len;
2075         ad->AttrLen = cpu_to_be16(size);
2076         ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2077         return size;
2078 }
2079
2080 /* Routines for all individual PORT attributes */
2081 static int
2082 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2083                             struct lpfc_fdmi_attr_def *ad)
2084 {
2085         struct lpfc_fdmi_attr_entry *ae;
2086         uint32_t size;
2087
2088         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2089         memset(ae, 0, 32);
2090
2091         ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2092         ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2093         ae->un.AttrTypes[6] = 0x01; /* Type 40 - NVME */
2094         ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2095         size = FOURBYTES + 32;
2096         ad->AttrLen = cpu_to_be16(size);
2097         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2098         return size;
2099 }
2100
2101 static int
2102 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2103                                   struct lpfc_fdmi_attr_def *ad)
2104 {
2105         struct lpfc_hba   *phba = vport->phba;
2106         struct lpfc_fdmi_attr_entry *ae;
2107         uint32_t size;
2108
2109         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2110
2111         ae->un.AttrInt = 0;
2112         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2113                 if (phba->lmt & LMT_32Gb)
2114                         ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2115                 if (phba->lmt & LMT_16Gb)
2116                         ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2117                 if (phba->lmt & LMT_10Gb)
2118                         ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2119                 if (phba->lmt & LMT_8Gb)
2120                         ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2121                 if (phba->lmt & LMT_4Gb)
2122                         ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2123                 if (phba->lmt & LMT_2Gb)
2124                         ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2125                 if (phba->lmt & LMT_1Gb)
2126                         ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2127         } else {
2128                 /* FCoE links support only one speed */
2129                 switch (phba->fc_linkspeed) {
2130                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2131                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
2132                         break;
2133                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2134                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
2135                         break;
2136                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2137                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
2138                         break;
2139                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2140                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
2141                         break;
2142                 }
2143         }
2144         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2145         size = FOURBYTES + sizeof(uint32_t);
2146         ad->AttrLen = cpu_to_be16(size);
2147         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2148         return size;
2149 }
2150
2151 static int
2152 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2153                           struct lpfc_fdmi_attr_def *ad)
2154 {
2155         struct lpfc_hba   *phba = vport->phba;
2156         struct lpfc_fdmi_attr_entry *ae;
2157         uint32_t size;
2158
2159         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2160
2161         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2162                 switch (phba->fc_linkspeed) {
2163                 case LPFC_LINK_SPEED_1GHZ:
2164                         ae->un.AttrInt = HBA_PORTSPEED_1GFC;
2165                         break;
2166                 case LPFC_LINK_SPEED_2GHZ:
2167                         ae->un.AttrInt = HBA_PORTSPEED_2GFC;
2168                         break;
2169                 case LPFC_LINK_SPEED_4GHZ:
2170                         ae->un.AttrInt = HBA_PORTSPEED_4GFC;
2171                         break;
2172                 case LPFC_LINK_SPEED_8GHZ:
2173                         ae->un.AttrInt = HBA_PORTSPEED_8GFC;
2174                         break;
2175                 case LPFC_LINK_SPEED_10GHZ:
2176                         ae->un.AttrInt = HBA_PORTSPEED_10GFC;
2177                         break;
2178                 case LPFC_LINK_SPEED_16GHZ:
2179                         ae->un.AttrInt = HBA_PORTSPEED_16GFC;
2180                         break;
2181                 case LPFC_LINK_SPEED_32GHZ:
2182                         ae->un.AttrInt = HBA_PORTSPEED_32GFC;
2183                         break;
2184                 default:
2185                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2186                         break;
2187                 }
2188         } else {
2189                 switch (phba->fc_linkspeed) {
2190                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2191                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
2192                         break;
2193                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2194                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
2195                         break;
2196                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2197                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
2198                         break;
2199                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2200                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
2201                         break;
2202                 default:
2203                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2204                         break;
2205                 }
2206         }
2207
2208         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2209         size = FOURBYTES + sizeof(uint32_t);
2210         ad->AttrLen = cpu_to_be16(size);
2211         ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
2212         return size;
2213 }
2214
2215 static int
2216 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
2217                               struct lpfc_fdmi_attr_def *ad)
2218 {
2219         struct serv_parm *hsp;
2220         struct lpfc_fdmi_attr_entry *ae;
2221         uint32_t size;
2222
2223         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2224
2225         hsp = (struct serv_parm *)&vport->fc_sparam;
2226         ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb) << 8) |
2227                           (uint32_t) hsp->cmn.bbRcvSizeLsb;
2228         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2229         size = FOURBYTES + sizeof(uint32_t);
2230         ad->AttrLen = cpu_to_be16(size);
2231         ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
2232         return size;
2233 }
2234
2235 static int
2236 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
2237                                struct lpfc_fdmi_attr_def *ad)
2238 {
2239         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2240         struct lpfc_fdmi_attr_entry *ae;
2241         uint32_t len, size;
2242
2243         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2244         memset(ae, 0, 256);
2245
2246         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
2247                  "/sys/class/scsi_host/host%d", shost->host_no);
2248         len = strnlen((char *)ae->un.AttrString,
2249                           sizeof(ae->un.AttrString));
2250         len += (len & 3) ? (4 - (len & 3)) : 4;
2251         size = FOURBYTES + len;
2252         ad->AttrLen = cpu_to_be16(size);
2253         ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
2254         return size;
2255 }
2256
2257 static int
2258 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
2259                               struct lpfc_fdmi_attr_def *ad)
2260 {
2261         struct lpfc_fdmi_attr_entry *ae;
2262         uint32_t len, size;
2263
2264         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2265         memset(ae, 0, 256);
2266
2267         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
2268                  init_utsname()->nodename);
2269
2270         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2271         len += (len & 3) ? (4 - (len & 3)) : 4;
2272         size = FOURBYTES + len;
2273         ad->AttrLen = cpu_to_be16(size);
2274         ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
2275         return size;
2276 }
2277
2278 static int
2279 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
2280                          struct lpfc_fdmi_attr_def *ad)
2281 {
2282         struct lpfc_fdmi_attr_entry *ae;
2283         uint32_t size;
2284
2285         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2286         memset(ae, 0,  sizeof(struct lpfc_name));
2287
2288         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2289                sizeof(struct lpfc_name));
2290         size = FOURBYTES + sizeof(struct lpfc_name);
2291         ad->AttrLen = cpu_to_be16(size);
2292         ad->AttrType = cpu_to_be16(RPRT_NODENAME);
2293         return size;
2294 }
2295
2296 static int
2297 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
2298                          struct lpfc_fdmi_attr_def *ad)
2299 {
2300         struct lpfc_fdmi_attr_entry *ae;
2301         uint32_t size;
2302
2303         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2304         memset(ae, 0,  sizeof(struct lpfc_name));
2305
2306         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
2307                sizeof(struct lpfc_name));
2308         size = FOURBYTES + sizeof(struct lpfc_name);
2309         ad->AttrLen = cpu_to_be16(size);
2310         ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
2311         return size;
2312 }
2313
2314 static int
2315 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
2316                                   struct lpfc_fdmi_attr_def *ad)
2317 {
2318         struct lpfc_fdmi_attr_entry *ae;
2319         uint32_t len, size;
2320
2321         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2322         memset(ae, 0, 256);
2323
2324         len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
2325         len += (len & 3) ? (4 - (len & 3)) : 4;
2326         size = FOURBYTES + len;
2327         ad->AttrLen = cpu_to_be16(size);
2328         ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
2329         return size;
2330 }
2331
2332 static int
2333 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
2334                               struct lpfc_fdmi_attr_def *ad)
2335 {
2336         struct lpfc_hba *phba = vport->phba;
2337         struct lpfc_fdmi_attr_entry *ae;
2338         uint32_t size;
2339
2340         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2341         if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
2342                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
2343         else
2344                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
2345         size = FOURBYTES + sizeof(uint32_t);
2346         ad->AttrLen = cpu_to_be16(size);
2347         ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
2348         return size;
2349 }
2350
2351 static int
2352 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
2353                           struct lpfc_fdmi_attr_def *ad)
2354 {
2355         struct lpfc_fdmi_attr_entry *ae;
2356         uint32_t size;
2357
2358         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2359         ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
2360         size = FOURBYTES + sizeof(uint32_t);
2361         ad->AttrLen = cpu_to_be16(size);
2362         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
2363         return size;
2364 }
2365
2366 static int
2367 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
2368                                 struct lpfc_fdmi_attr_def *ad)
2369 {
2370         struct lpfc_fdmi_attr_entry *ae;
2371         uint32_t size;
2372
2373         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2374         memset(ae, 0,  sizeof(struct lpfc_name));
2375
2376         memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
2377                sizeof(struct lpfc_name));
2378         size = FOURBYTES + sizeof(struct lpfc_name);
2379         ad->AttrLen = cpu_to_be16(size);
2380         ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
2381         return size;
2382 }
2383
2384 static int
2385 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
2386                                    struct lpfc_fdmi_attr_def *ad)
2387 {
2388         struct lpfc_fdmi_attr_entry *ae;
2389         uint32_t size;
2390
2391         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2392         memset(ae, 0, 32);
2393
2394         ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2395         ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2396         ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2397         size = FOURBYTES + 32;
2398         ad->AttrLen = cpu_to_be16(size);
2399         ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
2400         return size;
2401 }
2402
2403 static int
2404 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
2405                                struct lpfc_fdmi_attr_def *ad)
2406 {
2407         struct lpfc_fdmi_attr_entry *ae;
2408         uint32_t size;
2409
2410         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2411         /* Link Up - operational */
2412         ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
2413         size = FOURBYTES + sizeof(uint32_t);
2414         ad->AttrLen = cpu_to_be16(size);
2415         ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
2416         return size;
2417 }
2418
2419 static int
2420 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
2421                              struct lpfc_fdmi_attr_def *ad)
2422 {
2423         struct lpfc_fdmi_attr_entry *ae;
2424         uint32_t size;
2425
2426         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2427         vport->fdmi_num_disc = lpfc_find_map_node(vport);
2428         ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
2429         size = FOURBYTES + sizeof(uint32_t);
2430         ad->AttrLen = cpu_to_be16(size);
2431         ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
2432         return size;
2433 }
2434
2435 static int
2436 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
2437                             struct lpfc_fdmi_attr_def *ad)
2438 {
2439         struct lpfc_fdmi_attr_entry *ae;
2440         uint32_t size;
2441
2442         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2443         ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
2444         size = FOURBYTES + sizeof(uint32_t);
2445         ad->AttrLen = cpu_to_be16(size);
2446         ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
2447         return size;
2448 }
2449
2450 static int
2451 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
2452                              struct lpfc_fdmi_attr_def *ad)
2453 {
2454         struct lpfc_fdmi_attr_entry *ae;
2455         uint32_t len, size;
2456
2457         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2458         memset(ae, 0, 256);
2459
2460         strncpy(ae->un.AttrString, "Smart SAN Initiator",
2461                 sizeof(ae->un.AttrString));
2462         len = strnlen(ae->un.AttrString,
2463                           sizeof(ae->un.AttrString));
2464         len += (len & 3) ? (4 - (len & 3)) : 4;
2465         size = FOURBYTES + len;
2466         ad->AttrLen = cpu_to_be16(size);
2467         ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
2468         return size;
2469 }
2470
2471 static int
2472 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
2473                           struct lpfc_fdmi_attr_def *ad)
2474 {
2475         struct lpfc_fdmi_attr_entry *ae;
2476         uint32_t size;
2477
2478         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2479         memset(ae, 0, 256);
2480
2481         memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
2482                sizeof(struct lpfc_name));
2483         memcpy((((uint8_t *)&ae->un.AttrString) +
2484                 sizeof(struct lpfc_name)),
2485                 &vport->fc_sparam.portName, sizeof(struct lpfc_name));
2486         size = FOURBYTES + (2 * sizeof(struct lpfc_name));
2487         ad->AttrLen =  cpu_to_be16(size);
2488         ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
2489         return size;
2490 }
2491
2492 static int
2493 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
2494                              struct lpfc_fdmi_attr_def *ad)
2495 {
2496         struct lpfc_fdmi_attr_entry *ae;
2497         uint32_t len, size;
2498
2499         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2500         memset(ae, 0, 256);
2501
2502         strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
2503                 sizeof(ae->un.AttrString));
2504         len = strnlen(ae->un.AttrString,
2505                           sizeof(ae->un.AttrString));
2506         len += (len & 3) ? (4 - (len & 3)) : 4;
2507         size = FOURBYTES + len;
2508         ad->AttrLen =  cpu_to_be16(size);
2509         ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
2510         return size;
2511 }
2512
2513 static int
2514 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
2515                            struct lpfc_fdmi_attr_def *ad)
2516 {
2517         struct lpfc_hba *phba = vport->phba;
2518         struct lpfc_fdmi_attr_entry *ae;
2519         uint32_t len, size;
2520
2521         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2522         memset(ae, 0, 256);
2523
2524         strncpy(ae->un.AttrString, phba->ModelName,
2525                 sizeof(ae->un.AttrString));
2526         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2527         len += (len & 3) ? (4 - (len & 3)) : 4;
2528         size = FOURBYTES + len;
2529         ad->AttrLen = cpu_to_be16(size);
2530         ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
2531         return size;
2532 }
2533
2534 static int
2535 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
2536                                struct lpfc_fdmi_attr_def *ad)
2537 {
2538         struct lpfc_fdmi_attr_entry *ae;
2539         uint32_t size;
2540
2541         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2542
2543         /* SRIOV (type 3) is not supported */
2544         if (vport->vpi)
2545                 ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
2546         else
2547                 ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
2548         size = FOURBYTES + sizeof(uint32_t);
2549         ad->AttrLen = cpu_to_be16(size);
2550         ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
2551         return size;
2552 }
2553
2554 static int
2555 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
2556                          struct lpfc_fdmi_attr_def *ad)
2557 {
2558         struct lpfc_fdmi_attr_entry *ae;
2559         uint32_t size;
2560
2561         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2562         ae->un.AttrInt =  cpu_to_be32(0);
2563         size = FOURBYTES + sizeof(uint32_t);
2564         ad->AttrLen = cpu_to_be16(size);
2565         ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
2566         return size;
2567 }
2568
2569 static int
2570 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
2571                               struct lpfc_fdmi_attr_def *ad)
2572 {
2573         struct lpfc_fdmi_attr_entry *ae;
2574         uint32_t size;
2575
2576         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2577         ae->un.AttrInt =  cpu_to_be32(1);
2578         size = FOURBYTES + sizeof(uint32_t);
2579         ad->AttrLen = cpu_to_be16(size);
2580         ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
2581         return size;
2582 }
2583
2584 /* RHBA attribute jump table */
2585 int (*lpfc_fdmi_hba_action[])
2586         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2587         /* Action routine                 Mask bit     Attribute type */
2588         lpfc_fdmi_hba_attr_wwnn,          /* bit0     RHBA_NODENAME           */
2589         lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
2590         lpfc_fdmi_hba_attr_sn,            /* bit2     RHBA_SERIAL_NUMBER      */
2591         lpfc_fdmi_hba_attr_model,         /* bit3     RHBA_MODEL              */
2592         lpfc_fdmi_hba_attr_description,   /* bit4     RHBA_MODEL_DESCRIPTION  */
2593         lpfc_fdmi_hba_attr_hdw_ver,       /* bit5     RHBA_HARDWARE_VERSION   */
2594         lpfc_fdmi_hba_attr_drvr_ver,      /* bit6     RHBA_DRIVER_VERSION     */
2595         lpfc_fdmi_hba_attr_rom_ver,       /* bit7     RHBA_OPTION_ROM_VERSION */
2596         lpfc_fdmi_hba_attr_fmw_ver,       /* bit8     RHBA_FIRMWARE_VERSION   */
2597         lpfc_fdmi_hba_attr_os_ver,        /* bit9     RHBA_OS_NAME_VERSION    */
2598         lpfc_fdmi_hba_attr_ct_len,        /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
2599         lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
2600         lpfc_fdmi_hba_attr_vendor_info,   /* bit12    RHBA_VENDOR_INFO        */
2601         lpfc_fdmi_hba_attr_num_ports,     /* bit13    RHBA_NUM_PORTS          */
2602         lpfc_fdmi_hba_attr_fabric_wwnn,   /* bit14    RHBA_FABRIC_WWNN        */
2603         lpfc_fdmi_hba_attr_bios_ver,      /* bit15    RHBA_BIOS_VERSION       */
2604         lpfc_fdmi_hba_attr_bios_state,    /* bit16    RHBA_BIOS_STATE         */
2605         lpfc_fdmi_hba_attr_vendor_id,     /* bit17    RHBA_VENDOR_ID          */
2606 };
2607
2608 /* RPA / RPRT attribute jump table */
2609 int (*lpfc_fdmi_port_action[])
2610         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2611         /* Action routine                   Mask bit   Attribute type */
2612         lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
2613         lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
2614         lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
2615         lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
2616         lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
2617         lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
2618         lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
2619         lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
2620         lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
2621         lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
2622         lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
2623         lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
2624         lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
2625         lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
2626         lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
2627         lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
2628         lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
2629         lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
2630         lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
2631         lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
2632         lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
2633         lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
2634         lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
2635 };
2636
2637 /**
2638  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
2639  * @vport: pointer to a host virtual N_Port data structure.
2640  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
2641  * cmdcode: FDMI command to send
2642  * mask: Mask of HBA or PORT Attributes to send
2643  *
2644  * Builds and sends a FDMI command using the CT subsystem.
2645  */
2646 int
2647 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2648               int cmdcode, uint32_t new_mask)
2649 {
2650         struct lpfc_hba *phba = vport->phba;
2651         struct lpfc_dmabuf *mp, *bmp;
2652         struct lpfc_sli_ct_request *CtReq;
2653         struct ulp_bde64 *bpl;
2654         uint32_t bit_pos;
2655         uint32_t size;
2656         uint32_t rsp_size;
2657         uint32_t mask;
2658         struct lpfc_fdmi_reg_hba *rh;
2659         struct lpfc_fdmi_port_entry *pe;
2660         struct lpfc_fdmi_reg_portattr *pab = NULL;
2661         struct lpfc_fdmi_attr_block *ab = NULL;
2662         int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
2663         void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
2664                      struct lpfc_iocbq *);
2665
2666         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
2667                 return 0;
2668
2669         cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
2670
2671         /* fill in BDEs for command */
2672         /* Allocate buffer for command payload */
2673         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2674         if (!mp)
2675                 goto fdmi_cmd_exit;
2676
2677         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
2678         if (!mp->virt)
2679                 goto fdmi_cmd_free_mp;
2680
2681         /* Allocate buffer for Buffer ptr list */
2682         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2683         if (!bmp)
2684                 goto fdmi_cmd_free_mpvirt;
2685
2686         bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
2687         if (!bmp->virt)
2688                 goto fdmi_cmd_free_bmp;
2689
2690         INIT_LIST_HEAD(&mp->list);
2691         INIT_LIST_HEAD(&bmp->list);
2692
2693         /* FDMI request */
2694         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2695                          "0218 FDMI Request Data: x%x x%x x%x\n",
2696                          vport->fc_flag, vport->port_state, cmdcode);
2697         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
2698
2699         /* First populate the CT_IU preamble */
2700         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
2701         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
2702         CtReq->RevisionId.bits.InId = 0;
2703
2704         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
2705         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
2706
2707         CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
2708         rsp_size = LPFC_BPL_SIZE;
2709         size = 0;
2710
2711         /* Next fill in the specific FDMI cmd information */
2712         switch (cmdcode) {
2713         case SLI_MGMT_RHAT:
2714         case SLI_MGMT_RHBA:
2715                 rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
2716                 /* HBA Identifier */
2717                 memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
2718                        sizeof(struct lpfc_name));
2719
2720                 if (cmdcode == SLI_MGMT_RHBA) {
2721                         /* Registered Port List */
2722                         /* One entry (port) per adapter */
2723                         rh->rpl.EntryCnt = cpu_to_be32(1);
2724                         memcpy(&rh->rpl.pe, &phba->pport->fc_sparam.portName,
2725                                sizeof(struct lpfc_name));
2726
2727                         /* point to the HBA attribute block */
2728                         size = 2 * sizeof(struct lpfc_name) +
2729                                 FOURBYTES;
2730                 } else {
2731                         size = sizeof(struct lpfc_name);
2732                 }
2733                 ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
2734                 ab->EntryCnt = 0;
2735                 size += FOURBYTES;
2736                 bit_pos = 0;
2737                 if (new_mask)
2738                         mask = new_mask;
2739                 else
2740                         mask = vport->fdmi_hba_mask;
2741
2742                 /* Mask will dictate what attributes to build in the request */
2743                 while (mask) {
2744                         if (mask & 0x1) {
2745                                 func = lpfc_fdmi_hba_action[bit_pos];
2746                                 size += func(vport,
2747                                              (struct lpfc_fdmi_attr_def *)
2748                                              ((uint8_t *)rh + size));
2749                                 ab->EntryCnt++;
2750                                 if ((size + 256) >
2751                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2752                                         goto hba_out;
2753                         }
2754                         mask = mask >> 1;
2755                         bit_pos++;
2756                 }
2757 hba_out:
2758                 ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
2759                 /* Total size */
2760                 size = GID_REQUEST_SZ - 4 + size;
2761                 break;
2762
2763         case SLI_MGMT_RPRT:
2764         case SLI_MGMT_RPA:
2765                 pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
2766                 if (cmdcode == SLI_MGMT_RPRT) {
2767                         rh = (struct lpfc_fdmi_reg_hba *)pab;
2768                         /* HBA Identifier */
2769                         memcpy(&rh->hi.PortName,
2770                                &phba->pport->fc_sparam.portName,
2771                                sizeof(struct lpfc_name));
2772                         pab = (struct lpfc_fdmi_reg_portattr *)
2773                                 ((uint8_t *)pab +  sizeof(struct lpfc_name));
2774                 }
2775
2776                 memcpy((uint8_t *)&pab->PortName,
2777                        (uint8_t *)&vport->fc_sparam.portName,
2778                        sizeof(struct lpfc_name));
2779                 size += sizeof(struct lpfc_name) + FOURBYTES;
2780                 pab->ab.EntryCnt = 0;
2781                 bit_pos = 0;
2782                 if (new_mask)
2783                         mask = new_mask;
2784                 else
2785                         mask = vport->fdmi_port_mask;
2786
2787                 /* Mask will dictate what attributes to build in the request */
2788                 while (mask) {
2789                         if (mask & 0x1) {
2790                                 func = lpfc_fdmi_port_action[bit_pos];
2791                                 size += func(vport,
2792                                              (struct lpfc_fdmi_attr_def *)
2793                                              ((uint8_t *)pab + size));
2794                                 pab->ab.EntryCnt++;
2795                                 if ((size + 256) >
2796                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2797                                         goto port_out;
2798                         }
2799                         mask = mask >> 1;
2800                         bit_pos++;
2801                 }
2802 port_out:
2803                 pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
2804                 /* Total size */
2805                 if (cmdcode == SLI_MGMT_RPRT)
2806                         size += sizeof(struct lpfc_name);
2807                 size = GID_REQUEST_SZ - 4 + size;
2808                 break;
2809
2810         case SLI_MGMT_GHAT:
2811         case SLI_MGMT_GRPL:
2812                 rsp_size = FC_MAX_NS_RSP;
2813         case SLI_MGMT_DHBA:
2814         case SLI_MGMT_DHAT:
2815                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2816                 memcpy((uint8_t *)&pe->PortName,
2817                        (uint8_t *)&vport->fc_sparam.portName,
2818                        sizeof(struct lpfc_name));
2819                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2820                 break;
2821
2822         case SLI_MGMT_GPAT:
2823         case SLI_MGMT_GPAS:
2824                 rsp_size = FC_MAX_NS_RSP;
2825         case SLI_MGMT_DPRT:
2826         case SLI_MGMT_DPA:
2827                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2828                 memcpy((uint8_t *)&pe->PortName,
2829                        (uint8_t *)&vport->fc_sparam.portName,
2830                        sizeof(struct lpfc_name));
2831                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2832                 break;
2833         case SLI_MGMT_GRHL:
2834                 size = GID_REQUEST_SZ - 4;
2835                 break;
2836         default:
2837                 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
2838                                  "0298 FDMI cmdcode x%x not supported\n",
2839                                  cmdcode);
2840                 goto fdmi_cmd_free_bmpvirt;
2841         }
2842         CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
2843
2844         bpl = (struct ulp_bde64 *)bmp->virt;
2845         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
2846         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
2847         bpl->tus.f.bdeFlags = 0;
2848         bpl->tus.f.bdeSize = size;
2849
2850         /*
2851          * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2852          * to hold ndlp reference for the corresponding callback function.
2853          */
2854         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
2855                 return 0;
2856
2857         /*
2858          * Decrement ndlp reference count to release ndlp reference held
2859          * for the failed command's callback function.
2860          */
2861         lpfc_nlp_put(ndlp);
2862
2863 fdmi_cmd_free_bmpvirt:
2864         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2865 fdmi_cmd_free_bmp:
2866         kfree(bmp);
2867 fdmi_cmd_free_mpvirt:
2868         lpfc_mbuf_free(phba, mp->virt, mp->phys);
2869 fdmi_cmd_free_mp:
2870         kfree(mp);
2871 fdmi_cmd_exit:
2872         /* Issue FDMI request failed */
2873         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2874                          "0244 Issue FDMI request failed Data: x%x\n",
2875                          cmdcode);
2876         return 1;
2877 }
2878
2879 /**
2880  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
2881  * @ptr - Context object of the timer.
2882  *
2883  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
2884  * the worker thread.
2885  **/
2886 void
2887 lpfc_delayed_disc_tmo(unsigned long ptr)
2888 {
2889         struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
2890         struct lpfc_hba   *phba = vport->phba;
2891         uint32_t tmo_posted;
2892         unsigned long iflag;
2893
2894         spin_lock_irqsave(&vport->work_port_lock, iflag);
2895         tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
2896         if (!tmo_posted)
2897                 vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
2898         spin_unlock_irqrestore(&vport->work_port_lock, iflag);
2899
2900         if (!tmo_posted)
2901                 lpfc_worker_wake_up(phba);
2902         return;
2903 }
2904
2905 /**
2906  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
2907  *      handle delayed discovery.
2908  * @vport: pointer to a host virtual N_Port data structure.
2909  *
2910  * This function start nport discovery of the vport.
2911  **/
2912 void
2913 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
2914 {
2915         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2916
2917         spin_lock_irq(shost->host_lock);
2918         if (!(vport->fc_flag & FC_DISC_DELAYED)) {
2919                 spin_unlock_irq(shost->host_lock);
2920                 return;
2921         }
2922         vport->fc_flag &= ~FC_DISC_DELAYED;
2923         spin_unlock_irq(shost->host_lock);
2924
2925         lpfc_do_scr_ns_plogi(vport->phba, vport);
2926 }
2927
2928 void
2929 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
2930 {
2931         struct lpfc_sli *psli = &phba->sli;
2932         lpfc_vpd_t *vp = &phba->vpd;
2933         uint32_t b1, b2, b3, b4, i, rev;
2934         char c;
2935         uint32_t *ptr, str[4];
2936         uint8_t *fwname;
2937
2938         if (phba->sli_rev == LPFC_SLI_REV4)
2939                 snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
2940         else if (vp->rev.rBit) {
2941                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
2942                         rev = vp->rev.sli2FwRev;
2943                 else
2944                         rev = vp->rev.sli1FwRev;
2945
2946                 b1 = (rev & 0x0000f000) >> 12;
2947                 b2 = (rev & 0x00000f00) >> 8;
2948                 b3 = (rev & 0x000000c0) >> 6;
2949                 b4 = (rev & 0x00000030) >> 4;
2950
2951                 switch (b4) {
2952                 case 0:
2953                         c = 'N';
2954                         break;
2955                 case 1:
2956                         c = 'A';
2957                         break;
2958                 case 2:
2959                         c = 'B';
2960                         break;
2961                 case 3:
2962                         c = 'X';
2963                         break;
2964                 default:
2965                         c = 0;
2966                         break;
2967                 }
2968                 b4 = (rev & 0x0000000f);
2969
2970                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
2971                         fwname = vp->rev.sli2FwName;
2972                 else
2973                         fwname = vp->rev.sli1FwName;
2974
2975                 for (i = 0; i < 16; i++)
2976                         if (fwname[i] == 0x20)
2977                                 fwname[i] = 0;
2978
2979                 ptr = (uint32_t*)fwname;
2980
2981                 for (i = 0; i < 3; i++)
2982                         str[i] = be32_to_cpu(*ptr++);
2983
2984                 if (c == 0) {
2985                         if (flag)
2986                                 sprintf(fwrevision, "%d.%d%d (%s)",
2987                                         b1, b2, b3, (char *)str);
2988                         else
2989                                 sprintf(fwrevision, "%d.%d%d", b1,
2990                                         b2, b3);
2991                 } else {
2992                         if (flag)
2993                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
2994                                         b1, b2, b3, c,
2995                                         b4, (char *)str);
2996                         else
2997                                 sprintf(fwrevision, "%d.%d%d%c%d",
2998                                         b1, b2, b3, c, b4);
2999                 }
3000         } else {
3001                 rev = vp->rev.smFwRev;
3002
3003                 b1 = (rev & 0xff000000) >> 24;
3004                 b2 = (rev & 0x00f00000) >> 20;
3005                 b3 = (rev & 0x000f0000) >> 16;
3006                 c  = (rev & 0x0000ff00) >> 8;
3007                 b4 = (rev & 0x000000ff);
3008
3009                 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3010         }
3011         return;
3012 }