drivers/scsi/lpfc/lpfc_ct.c

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2017 Broadcom. All Rights Reserved. The term      *
   5  * “Broadcom” refers to Broadcom Limited and/or its subsidiaries.  *
   6  * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
   7  * EMULEX and SLI are trademarks of Emulex.                        *
   8  * www.broadcom.com                                                *
   9  *                                                                 *
  10  * This program is free software; you can redistribute it and/or   *
  11  * modify it under the terms of version 2 of the GNU General       *
  12  * Public License as published by the Free Software Foundation.    *
  13  * This program is distributed in the hope that it will be useful. *
  14  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  15  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  16  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  17  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  18  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  19  * more details, a copy of which can be found in the file COPYING  *
  20  * included with this package.                                     *
  21  *******************************************************************/
  22
  23 /*
  24  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
  25  */
  26
  27 #include <linux/blkdev.h>
  28 #include <linux/pci.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/slab.h>
  31 #include <linux/utsname.h>
  32
  33 #include <scsi/scsi.h>
  34 #include <scsi/scsi_device.h>
  35 #include <scsi/scsi_host.h>
  36 #include <scsi/scsi_transport_fc.h>
  37 #include <scsi/fc/fc_fs.h>
  38
  39 #include "lpfc_hw4.h"
  40 #include "lpfc_hw.h"
  41 #include "lpfc_sli.h"
  42 #include "lpfc_sli4.h"
  43 #include "lpfc_nl.h"
  44 #include "lpfc_disc.h"
  45 #include "lpfc.h"
  46 #include "lpfc_scsi.h"
  47 #include "lpfc_nvme.h"
  48 #include "lpfc_logmsg.h"
  49 #include "lpfc_crtn.h"
  50 #include "lpfc_version.h"
  51 #include "lpfc_vport.h"
  52 #include "lpfc_debugfs.h"
  53
  54 /* FDMI Port Speed definitions - FC-GS-7 */
  55 #define HBA_PORTSPEED_1GFC              0x00000001      /* 1G FC */
  56 #define HBA_PORTSPEED_2GFC              0x00000002      /* 2G FC */
  57 #define HBA_PORTSPEED_4GFC              0x00000008      /* 4G FC */
  58 #define HBA_PORTSPEED_10GFC             0x00000004      /* 10G FC */
  59 #define HBA_PORTSPEED_8GFC              0x00000010      /* 8G FC */
  60 #define HBA_PORTSPEED_16GFC             0x00000020      /* 16G FC */
  61 #define HBA_PORTSPEED_32GFC             0x00000040      /* 32G FC */
  62 #define HBA_PORTSPEED_20GFC             0x00000080      /* 20G FC */
  63 #define HBA_PORTSPEED_40GFC             0x00000100      /* 40G FC */
  64 #define HBA_PORTSPEED_128GFC            0x00000200      /* 128G FC */
  65 #define HBA_PORTSPEED_64GFC             0x00000400      /* 64G FC */
  66 #define HBA_PORTSPEED_256GFC            0x00000800      /* 256G FC */
  67 #define HBA_PORTSPEED_UNKNOWN           0x00008000      /* Unknown */
  68 #define HBA_PORTSPEED_10GE              0x00010000      /* 10G E */
  69 #define HBA_PORTSPEED_40GE              0x00020000      /* 40G E */
  70 #define HBA_PORTSPEED_100GE             0x00040000      /* 100G E */
  71 #define HBA_PORTSPEED_25GE              0x00080000      /* 25G E */
  72 #define HBA_PORTSPEED_50GE              0x00100000      /* 50G E */
  73 #define HBA_PORTSPEED_400GE             0x00200000      /* 400G E */
  74
  75 #define FOURBYTES       4
  76
  77
  78 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
  79
  80 static void
  81 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  82                           struct lpfc_dmabuf *mp, uint32_t size)
  83 {
  84         if (!mp) {
  85                 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  86                                 "0146 Ignoring unsolicited CT No HBQ "
  87                                 "status = x%x\n",
  88                                 piocbq->iocb.ulpStatus);
  89         }
  90         lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  91                         "0145 Ignoring unsolicted CT HBQ Size:%d "
  92                         "status = x%x\n",
  93                         size, piocbq->iocb.ulpStatus);
  94 }
  95
  96 static void
  97 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  98                      struct lpfc_dmabuf *mp, uint32_t size)
  99 {
 100         lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
 101 }
 102
 103 void
 104 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 105                     struct lpfc_iocbq *piocbq)
 106 {
 107         struct lpfc_dmabuf *mp = NULL;
 108         IOCB_t *icmd = &piocbq->iocb;
 109         int i;
 110         struct lpfc_iocbq *iocbq;
 111         dma_addr_t paddr;
 112         uint32_t size;
 113         struct list_head head;
 114         struct lpfc_dmabuf *bdeBuf;
 115
 116         if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
 117                 return;
 118
 119         if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
 120                 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
 121         } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 122                    ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
 123                    IOERR_RCV_BUFFER_WAITING)) {
 124                 /* Not enough posted buffers; Try posting more buffers */
 125                 phba->fc_stat.NoRcvBuf++;
 126                 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 127                         lpfc_post_buffer(phba, pring, 2);
 128                 return;
 129         }
 130
 131         /* If there are no BDEs associated with this IOCB,
 132          * there is nothing to do.
 133          */
 134         if (icmd->ulpBdeCount == 0)
 135                 return;
 136
 137         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 138                 INIT_LIST_HEAD(&head);
 139                 list_add_tail(&head, &piocbq->list);
 140                 list_for_each_entry(iocbq, &head, list) {
 141                         icmd = &iocbq->iocb;
 142                         if (icmd->ulpBdeCount == 0)
 143                                 continue;
 144                         bdeBuf = iocbq->context2;
 145                         iocbq->context2 = NULL;
 146                         size  = icmd->un.cont64[0].tus.f.bdeSize;
 147                         lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
 148                         lpfc_in_buf_free(phba, bdeBuf);
 149                         if (icmd->ulpBdeCount == 2) {
 150                                 bdeBuf = iocbq->context3;
 151                                 iocbq->context3 = NULL;
 152                                 size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
 153                                 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
 154                                                      size);
 155                                 lpfc_in_buf_free(phba, bdeBuf);
 156                         }
 157                 }
 158                 list_del(&head);
 159         } else {
 160                 INIT_LIST_HEAD(&head);
 161                 list_add_tail(&head, &piocbq->list);
 162                 list_for_each_entry(iocbq, &head, list) {
 163                         icmd = &iocbq->iocb;
 164                         if (icmd->ulpBdeCount == 0)
 165                                 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 166                         for (i = 0; i < icmd->ulpBdeCount; i++) {
 167                                 paddr = getPaddr(icmd->un.cont64[i].addrHigh,
 168                                                  icmd->un.cont64[i].addrLow);
 169                                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
 170                                                               paddr);
 171                                 size = icmd->un.cont64[i].tus.f.bdeSize;
 172                                 lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 173                                 lpfc_in_buf_free(phba, mp);
 174                         }
 175                         lpfc_post_buffer(phba, pring, i);
 176                 }
 177                 list_del(&head);
 178         }
 179 }
 180
 181 /**
 182  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
 183  * @phba: Pointer to HBA context object.
 184  * @dmabuf: pointer to a dmabuf that describes the FC sequence
 185  *
 186  * This function serves as the upper level protocol abort handler for CT
 187  * protocol.
 188  *
 189  * Return 1 if abort has been handled, 0 otherwise.
 190  **/
 191 int
 192 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
 193 {
 194         int handled;
 195
 196         /* CT upper level goes through BSG */
 197         handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
 198
 199         return handled;
 200 }
 201
 202 static void
 203 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 204 {
 205         struct lpfc_dmabuf *mlast, *next_mlast;
 206
 207         list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 208                 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 209                 list_del(&mlast->list);
 210                 kfree(mlast);
 211         }
 212         lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 213         kfree(mlist);
 214         return;
 215 }
 216
 217 static struct lpfc_dmabuf *
 218 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 219                   uint32_t size, int *entries)
 220 {
 221         struct lpfc_dmabuf *mlist = NULL;
 222         struct lpfc_dmabuf *mp;
 223         int cnt, i = 0;
 224
 225         /* We get chunks of FCELSSIZE */
 226         cnt = size > FCELSSIZE ? FCELSSIZE: size;
 227
 228         while (size) {
 229                 /* Allocate buffer for rsp payload */
 230                 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 231                 if (!mp) {
 232                         if (mlist)
 233                                 lpfc_free_ct_rsp(phba, mlist);
 234                         return NULL;
 235                 }
 236
 237                 INIT_LIST_HEAD(&mp->list);
 238
 239                 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 240                     cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 241                         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 242                 else
 243                         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 244
 245                 if (!mp->virt) {
 246                         kfree(mp);
 247                         if (mlist)
 248                                 lpfc_free_ct_rsp(phba, mlist);
 249                         return NULL;
 250                 }
 251
 252                 /* Queue it to a linked list */
 253                 if (!mlist)
 254                         mlist = mp;
 255                 else
 256                         list_add_tail(&mp->list, &mlist->list);
 257
 258                 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 259                 /* build buffer ptr list for IOCB */
 260                 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 261                 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 262                 bpl->tus.f.bdeSize = (uint16_t) cnt;
 263                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
 264                 bpl++;
 265
 266                 i++;
 267                 size -= cnt;
 268         }
 269
 270         *entries = i;
 271         return mlist;
 272 }
 273
 274 int
 275 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 276 {
 277         struct lpfc_dmabuf *buf_ptr;
 278
 279         if (ctiocb->context_un.ndlp) {
 280                 lpfc_nlp_put(ctiocb->context_un.ndlp);
 281                 ctiocb->context_un.ndlp = NULL;
 282         }
 283         if (ctiocb->context1) {
 284                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
 285                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 286                 kfree(buf_ptr);
 287                 ctiocb->context1 = NULL;
 288         }
 289         if (ctiocb->context2) {
 290                 lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
 291                 ctiocb->context2 = NULL;
 292         }
 293
 294         if (ctiocb->context3) {
 295                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
 296                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 297                 kfree(buf_ptr);
 298                 ctiocb->context3 = NULL;
 299         }
 300         lpfc_sli_release_iocbq(phba, ctiocb);
 301         return 0;
 302 }
 303
 304 /**
 305  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
 306  * @vport: pointer to a host virtual N_Port data structure.
 307  * @bmp: Pointer to BPL for SLI command
 308  * @inp: Pointer to data buffer for response data.
 309  * @outp: Pointer to data buffer that hold the CT command.
 310  * @cmpl: completion routine to call when command completes
 311  * @ndlp: Destination NPort nodelist entry
 312  *
 313  * This function as the final part for issuing a CT command.
 314  */
 315 static int
 316 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 317              struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 318              void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 319                      struct lpfc_iocbq *),
 320              struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
 321              uint32_t tmo, uint8_t retry)
 322 {
 323         struct lpfc_hba  *phba = vport->phba;
 324         IOCB_t *icmd;
 325         struct lpfc_iocbq *geniocb;
 326         int rc;
 327
 328         /* Allocate buffer for  command iocb */
 329         geniocb = lpfc_sli_get_iocbq(phba);
 330
 331         if (geniocb == NULL)
 332                 return 1;
 333
 334         icmd = &geniocb->iocb;
 335         icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 336         icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 337         icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 338         icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 339         icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64));
 340
 341         if (usr_flg)
 342                 geniocb->context3 = NULL;
 343         else
 344                 geniocb->context3 = (uint8_t *) bmp;
 345
 346         /* Save for completion so we can release these resources */
 347         geniocb->context1 = (uint8_t *) inp;
 348         geniocb->context2 = (uint8_t *) outp;
 349         geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
 350
 351         /* Fill in payload, bp points to frame payload */
 352         icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
 353
 354         /* Fill in rest of iocb */
 355         icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 356         icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 357         icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
 358         icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 359
 360         if (!tmo) {
 361                  /* FC spec states we need 3 * ratov for CT requests */
 362                 tmo = (3 * phba->fc_ratov);
 363         }
 364         icmd->ulpTimeout = tmo;
 365         icmd->ulpBdeCount = 1;
 366         icmd->ulpLe = 1;
 367         icmd->ulpClass = CLASS3;
 368         icmd->ulpContext = ndlp->nlp_rpi;
 369         if (phba->sli_rev == LPFC_SLI_REV4)
 370                 icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 371
 372         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 373                 /* For GEN_REQUEST64_CR, use the RPI */
 374                 icmd->ulpCt_h = 0;
 375                 icmd->ulpCt_l = 0;
 376         }
 377
 378         /* Issue GEN REQ IOCB for NPORT <did> */
 379         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 380                          "0119 Issue GEN REQ IOCB to NPORT x%x "
 381                          "Data: x%x x%x\n",
 382                          ndlp->nlp_DID, icmd->ulpIoTag,
 383                          vport->port_state);
 384         geniocb->iocb_cmpl = cmpl;
 385         geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 386         geniocb->vport = vport;
 387         geniocb->retry = retry;
 388         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
 389
 390         if (rc == IOCB_ERROR) {
 391                 lpfc_sli_release_iocbq(phba, geniocb);
 392                 return 1;
 393         }
 394
 395         return 0;
 396 }
 397
 398 /**
 399  * lpfc_ct_cmd - Build and issue a CT command
 400  * @vport: pointer to a host virtual N_Port data structure.
 401  * @inmp: Pointer to data buffer for response data.
 402  * @bmp: Pointer to BPL for SLI command
 403  * @ndlp: Destination NPort nodelist entry
 404  * @cmpl: completion routine to call when command completes
 405  *
 406  * This function is called for issuing a CT command.
 407  */
 408 static int
 409 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 410             struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 411             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 412                           struct lpfc_iocbq *),
 413             uint32_t rsp_size, uint8_t retry)
 414 {
 415         struct lpfc_hba  *phba = vport->phba;
 416         struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 417         struct lpfc_dmabuf *outmp;
 418         int cnt = 0, status;
 419         int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 420                 CommandResponse.bits.CmdRsp;
 421
 422         bpl++;                  /* Skip past ct request */
 423
 424         /* Put buffer(s) for ct rsp in bpl */
 425         outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 426         if (!outmp)
 427                 return -ENOMEM;
 428         /*
 429          * Form the CT IOCB.  The total number of BDEs in this IOCB
 430          * is the single command plus response count from
 431          * lpfc_alloc_ct_rsp.
 432          */
 433         cnt += 1;
 434         status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
 435                               cnt, 0, retry);
 436         if (status) {
 437                 lpfc_free_ct_rsp(phba, outmp);
 438                 return -ENOMEM;
 439         }
 440         return 0;
 441 }
 442
 443 struct lpfc_vport *
 444 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 445         struct lpfc_vport *vport_curr;
 446         unsigned long flags;
 447
 448         spin_lock_irqsave(&phba->hbalock, flags);
 449         list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 450                 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 451                         spin_unlock_irqrestore(&phba->hbalock, flags);
 452                         return vport_curr;
 453                 }
 454         }
 455         spin_unlock_irqrestore(&phba->hbalock, flags);
 456         return NULL;
 457 }
 458
 459 static void
 460 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 461 {
 462         struct lpfc_nodelist *ndlp;
 463
 464         if ((vport->port_type != LPFC_NPIV_PORT) ||
 465             !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
 466
 467                 ndlp = lpfc_setup_disc_node(vport, Did);
 468
 469                 if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 470                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 471                                 "Parse GID_FTrsp: did:x%x flg:x%x x%x",
 472                                 Did, ndlp->nlp_flag, vport->fc_flag);
 473
 474                         /* By default, the driver expects to support FCP FC4 */
 475                         if (fc4_type == FC_TYPE_FCP)
 476                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 477
 478                         if (fc4_type == FC_TYPE_NVME)
 479                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 480
 481                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 482                                          "0238 Process x%06x NameServer Rsp "
 483                                          "Data: x%x x%x x%x x%x\n", Did,
 484                                          ndlp->nlp_flag, ndlp->nlp_fc4_type,
 485                                          vport->fc_flag,
 486                                          vport->fc_rscn_id_cnt);
 487                 } else {
 488                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 489                                 "Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 490                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 491
 492                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 493                                          "0239 Skip x%06x NameServer Rsp "
 494                                          "Data: x%x x%x\n", Did,
 495                                          vport->fc_flag,
 496                                          vport->fc_rscn_id_cnt);
 497                 }
 498         } else {
 499                 if (!(vport->fc_flag & FC_RSCN_MODE) ||
 500                     lpfc_rscn_payload_check(vport, Did)) {
 501                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 502                                 "Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
 503                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 504
 505                         /*
 506                          * This NPortID was previously a FCP target,
 507                          * Don't even bother to send GFF_ID.
 508                          */
 509                         ndlp = lpfc_findnode_did(vport, Did);
 510                         if (ndlp && NLP_CHK_NODE_ACT(ndlp))
 511                                 ndlp->nlp_fc4_type = fc4_type;
 512
 513                         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 514                                 ndlp->nlp_fc4_type = fc4_type;
 515
 516                                 if (ndlp->nlp_type & NLP_FCP_TARGET)
 517                                         lpfc_setup_disc_node(vport, Did);
 518
 519                                 else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 520                                                         0, Did) == 0)
 521                                         vport->num_disc_nodes++;
 522
 523                                 else
 524                                         lpfc_setup_disc_node(vport, Did);
 525                         }
 526                 } else {
 527                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 528                                 "Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 529                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 530
 531                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 532                                          "0245 Skip x%06x NameServer Rsp "
 533                                          "Data: x%x x%x\n", Did,
 534                                          vport->fc_flag,
 535                                          vport->fc_rscn_id_cnt);
 536                 }
 537         }
 538 }
 539
 540 static void
 541 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 542 {
 543         struct lpfc_hba *phba = vport->phba;
 544         struct lpfc_nodelist *ndlp = NULL;
 545         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 546
 547         /*
 548          * To conserve rpi's, filter out addresses for other
 549          * vports on the same physical HBAs.
 550          */
 551         if (Did != vport->fc_myDID &&
 552             (!lpfc_find_vport_by_did(phba, Did) ||
 553              vport->cfg_peer_port_login)) {
 554                 if (!phba->nvmet_support) {
 555                         /* FCPI/NVMEI path. Process Did */
 556                         lpfc_prep_node_fc4type(vport, Did, fc4_type);
 557                         return;
 558                 }
 559                 /* NVMET path.  NVMET only cares about NVMEI nodes. */
 560                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 561                         if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
 562                             ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
 563                                 continue;
 564                         spin_lock_irq(shost->host_lock);
 565                         if (ndlp->nlp_DID == Did)
 566                                 ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 567                         else
 568                                 ndlp->nlp_flag |= NLP_NVMET_RECOV;
 569                         spin_unlock_irq(shost->host_lock);
 570                 }
 571         }
 572 }
 573
 574 static int
 575 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
 576             uint32_t Size)
 577 {
 578         struct lpfc_sli_ct_request *Response =
 579                 (struct lpfc_sli_ct_request *) mp->virt;
 580         struct lpfc_dmabuf *mlast, *next_mp;
 581         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 582         uint32_t Did, CTentry;
 583         int Cnt;
 584         struct list_head head;
 585         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 586         struct lpfc_nodelist *ndlp = NULL;
 587
 588         lpfc_set_disctmo(vport);
 589         vport->num_disc_nodes = 0;
 590         vport->fc_ns_retry = 0;
 591
 592
 593         list_add_tail(&head, &mp->list);
 594         list_for_each_entry_safe(mp, next_mp, &head, list) {
 595                 mlast = mp;
 596
 597                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 598
 599                 Size -= Cnt;
 600
 601                 if (!ctptr) {
 602                         ctptr = (uint32_t *) mlast->virt;
 603                 } else
 604                         Cnt -= 16;      /* subtract length of CT header */
 605
 606                 /* Loop through entire NameServer list of DIDs */
 607                 while (Cnt >= sizeof(uint32_t)) {
 608                         /* Get next DID from NameServer List */
 609                         CTentry = *ctptr++;
 610                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 611                         lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
 612                         if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
 613                                 goto nsout1;
 614
 615                         Cnt -= sizeof(uint32_t);
 616                 }
 617                 ctptr = NULL;
 618
 619         }
 620
 621         /* All GID_FT entries processed.  If the driver is running in
 622          * in target mode, put impacted nodes into recovery and drop
 623          * the RPI to flush outstanding IO.
 624          */
 625         if (vport->phba->nvmet_support) {
 626                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 627                         if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
 628                                 continue;
 629                         lpfc_disc_state_machine(vport, ndlp, NULL,
 630                                                 NLP_EVT_DEVICE_RECOVERY);
 631                         spin_lock_irq(shost->host_lock);
 632                         ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 633                         spin_unlock_irq(shost->host_lock);
 634                 }
 635         }
 636
 637 nsout1:
 638         list_del(&head);
 639         return 0;
 640 }
 641
 642 static void
 643 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 644                         struct lpfc_iocbq *rspiocb)
 645 {
 646         struct lpfc_vport *vport = cmdiocb->vport;
 647         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 648         IOCB_t *irsp;
 649         struct lpfc_dmabuf *outp;
 650         struct lpfc_dmabuf *inp;
 651         struct lpfc_sli_ct_request *CTrsp;
 652         struct lpfc_sli_ct_request *CTreq;
 653         struct lpfc_nodelist *ndlp;
 654         int rc, type;
 655
 656         /* First save ndlp, before we overwrite it */
 657         ndlp = cmdiocb->context_un.ndlp;
 658
 659         /* we pass cmdiocb to state machine which needs rspiocb as well */
 660         cmdiocb->context_un.rsp_iocb = rspiocb;
 661         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 662         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 663         irsp = &rspiocb->iocb;
 664
 665         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 666                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 667                 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 668
 669         /* Don't bother processing response if vport is being torn down. */
 670         if (vport->load_flag & FC_UNLOADING) {
 671                 if (vport->fc_flag & FC_RSCN_MODE)
 672                         lpfc_els_flush_rscn(vport);
 673                 goto out;
 674         }
 675
 676         if (lpfc_els_chk_latt(vport)) {
 677                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 678                                  "0216 Link event during NS query\n");
 679                 if (vport->fc_flag & FC_RSCN_MODE)
 680                         lpfc_els_flush_rscn(vport);
 681                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 682                 goto out;
 683         }
 684         if (lpfc_error_lost_link(irsp)) {
 685                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 686                                  "0226 NS query failed due to link event\n");
 687                 if (vport->fc_flag & FC_RSCN_MODE)
 688                         lpfc_els_flush_rscn(vport);
 689                 goto out;
 690         }
 691         if (irsp->ulpStatus) {
 692                 /* Check for retry */
 693                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 694                         if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
 695                             (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
 696                             IOERR_NO_RESOURCES)
 697                                 vport->fc_ns_retry++;
 698
 699                         type = lpfc_get_gidft_type(vport, cmdiocb);
 700                         if (type == 0)
 701                                 goto out;
 702
 703                         /* CT command is being retried */
 704                         vport->gidft_inp--;
 705                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
 706                                          vport->fc_ns_retry, type);
 707                         if (rc == 0)
 708                                 goto out;
 709                 }
 710                 if (vport->fc_flag & FC_RSCN_MODE)
 711                         lpfc_els_flush_rscn(vport);
 712                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 713                 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 714                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
 715                                  irsp->ulpStatus, vport->fc_ns_retry);
 716         } else {
 717                 /* Good status, continue checking */
 718                 CTreq = (struct lpfc_sli_ct_request *) inp->virt;
 719                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 720                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 721                     cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
 722                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 723                                          "0208 NameServer Rsp Data: x%x x%x\n",
 724                                          vport->fc_flag,
 725                                          CTreq->un.gid.Fc4Type);
 726
 727                         lpfc_ns_rsp(vport,
 728                                     outp,
 729                                     CTreq->un.gid.Fc4Type,
 730                                     (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
 731                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 732                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 733                         /* NameServer Rsp Error */
 734                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 735                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 736                                 lpfc_printf_vlog(vport, KERN_INFO,
 737                                         LOG_DISCOVERY,
 738                                         "0269 No NameServer Entries "
 739                                         "Data: x%x x%x x%x x%x\n",
 740                                         CTrsp->CommandResponse.bits.CmdRsp,
 741                                         (uint32_t) CTrsp->ReasonCode,
 742                                         (uint32_t) CTrsp->Explanation,
 743                                         vport->fc_flag);
 744
 745                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 746                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
 747                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 748                                 (uint32_t) CTrsp->ReasonCode,
 749                                 (uint32_t) CTrsp->Explanation);
 750                         } else {
 751                                 lpfc_printf_vlog(vport, KERN_INFO,
 752                                         LOG_DISCOVERY,
 753                                         "0240 NameServer Rsp Error "
 754                                         "Data: x%x x%x x%x x%x\n",
 755                                         CTrsp->CommandResponse.bits.CmdRsp,
 756                                         (uint32_t) CTrsp->ReasonCode,
 757                                         (uint32_t) CTrsp->Explanation,
 758                                         vport->fc_flag);
 759
 760                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 761                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
 762                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 763                                 (uint32_t) CTrsp->ReasonCode,
 764                                 (uint32_t) CTrsp->Explanation);
 765                         }
 766
 767
 768                 } else {
 769                         /* NameServer Rsp Error */
 770                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 771                                         "0241 NameServer Rsp Error "
 772                                         "Data: x%x x%x x%x x%x\n",
 773                                         CTrsp->CommandResponse.bits.CmdRsp,
 774                                         (uint32_t) CTrsp->ReasonCode,
 775                                         (uint32_t) CTrsp->Explanation,
 776                                         vport->fc_flag);
 777
 778                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 779                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
 780                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 781                                 (uint32_t) CTrsp->ReasonCode,
 782                                 (uint32_t) CTrsp->Explanation);
 783                 }
 784                 vport->gidft_inp--;
 785         }
 786         /* Link up / RSCN discovery */
 787         if ((vport->num_disc_nodes == 0) &&
 788             (vport->gidft_inp == 0)) {
 789                 /*
 790                  * The driver has cycled through all Nports in the RSCN payload.
 791                  * Complete the handling by cleaning up and marking the
 792                  * current driver state.
 793                  */
 794                 if (vport->port_state >= LPFC_DISC_AUTH) {
 795                         if (vport->fc_flag & FC_RSCN_MODE) {
 796                                 lpfc_els_flush_rscn(vport);
 797                                 spin_lock_irq(shost->host_lock);
 798                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 799                                 spin_unlock_irq(shost->host_lock);
 800                         }
 801                         else
 802                                 lpfc_els_flush_rscn(vport);
 803                 }
 804
 805                 lpfc_disc_start(vport);
 806         }
 807 out:
 808         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 809         lpfc_ct_free_iocb(phba, cmdiocb);
 810         return;
 811 }
 812
 813 static void
 814 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 815                         struct lpfc_iocbq *rspiocb)
 816 {
 817         struct lpfc_vport *vport = cmdiocb->vport;
 818         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 819         IOCB_t *irsp = &rspiocb->iocb;
 820         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 821         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 822         struct lpfc_sli_ct_request *CTrsp;
 823         int did, rc, retry;
 824         uint8_t fbits;
 825         struct lpfc_nodelist *ndlp;
 826
 827         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
 828         did = be32_to_cpu(did);
 829
 830         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 831                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
 832                 irsp->ulpStatus, irsp->un.ulpWord[4], did);
 833
 834         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 835                 /* Good status, continue checking */
 836                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 837                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
 838
 839                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 840                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 841                         if ((fbits & FC4_FEATURE_INIT) &&
 842                             !(fbits & FC4_FEATURE_TARGET)) {
 843                                 lpfc_printf_vlog(vport, KERN_INFO,
 844                                                  LOG_DISCOVERY,
 845                                                  "0270 Skip x%x GFF "
 846                                                  "NameServer Rsp Data: (init) "
 847                                                  "x%x x%x\n", did, fbits,
 848                                                  vport->fc_rscn_id_cnt);
 849                                 goto out;
 850                         }
 851                 }
 852         }
 853         else {
 854                 /* Check for retry */
 855                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
 856                         retry = 1;
 857                         if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
 858                                 switch ((irsp->un.ulpWord[4] &
 859                                         IOERR_PARAM_MASK)) {
 860
 861                                 case IOERR_NO_RESOURCES:
 862                                         /* We don't increment the retry
 863                                          * count for this case.
 864                                          */
 865                                         break;
 866                                 case IOERR_LINK_DOWN:
 867                                 case IOERR_SLI_ABORTED:
 868                                 case IOERR_SLI_DOWN:
 869                                         retry = 0;
 870                                         break;
 871                                 default:
 872                                         cmdiocb->retry++;
 873                                 }
 874                         }
 875                         else
 876                                 cmdiocb->retry++;
 877
 878                         if (retry) {
 879                                 /* CT command is being retried */
 880                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 881                                          cmdiocb->retry, did);
 882                                 if (rc == 0) {
 883                                         /* success */
 884                                         lpfc_ct_free_iocb(phba, cmdiocb);
 885                                         return;
 886                                 }
 887                         }
 888                 }
 889                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 890                                  "0267 NameServer GFF Rsp "
 891                                  "x%x Error (%d %d) Data: x%x x%x\n",
 892                                  did, irsp->ulpStatus, irsp->un.ulpWord[4],
 893                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 894         }
 895
 896         /* This is a target port, unregistered port, or the GFF_ID failed */
 897         ndlp = lpfc_setup_disc_node(vport, did);
 898         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 899                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 900                                  "0242 Process x%x GFF "
 901                                  "NameServer Rsp Data: x%x x%x x%x\n",
 902                                  did, ndlp->nlp_flag, vport->fc_flag,
 903                                  vport->fc_rscn_id_cnt);
 904         } else {
 905                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 906                                  "0243 Skip x%x GFF "
 907                                  "NameServer Rsp Data: x%x x%x\n", did,
 908                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 909         }
 910 out:
 911         /* Link up / RSCN discovery */
 912         if (vport->num_disc_nodes)
 913                 vport->num_disc_nodes--;
 914         if (vport->num_disc_nodes == 0) {
 915                 /*
 916                  * The driver has cycled through all Nports in the RSCN payload.
 917                  * Complete the handling by cleaning up and marking the
 918                  * current driver state.
 919                  */
 920                 if (vport->port_state >= LPFC_DISC_AUTH) {
 921                         if (vport->fc_flag & FC_RSCN_MODE) {
 922                                 lpfc_els_flush_rscn(vport);
 923                                 spin_lock_irq(shost->host_lock);
 924                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 925                                 spin_unlock_irq(shost->host_lock);
 926                         }
 927                         else
 928                                 lpfc_els_flush_rscn(vport);
 929                 }
 930                 lpfc_disc_start(vport);
 931         }
 932         lpfc_ct_free_iocb(phba, cmdiocb);
 933         return;
 934 }
 935
 936 static void
 937 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 938                                 struct lpfc_iocbq *rspiocb)
 939 {
 940         struct lpfc_vport *vport = cmdiocb->vport;
 941         IOCB_t *irsp = &rspiocb->iocb;
 942         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
 943         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
 944         struct lpfc_sli_ct_request *CTrsp;
 945         int did;
 946         struct lpfc_nodelist *ndlp;
 947         uint32_t fc4_data_0, fc4_data_1;
 948
 949         did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
 950         did = be32_to_cpu(did);
 951
 952         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 953                               "GFT_ID cmpl: status:x%x/x%x did:x%x",
 954                               irsp->ulpStatus, irsp->un.ulpWord[4], did);
 955
 956         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 957                 /* Good status, continue checking */
 958                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
 959                 fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
 960                 fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
 961                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 962                                  "3062 DID x%06x GFT Wd0 x%08x Wd1 x%08x\n",
 963                                  did, fc4_data_0, fc4_data_1);
 964
 965                 ndlp = lpfc_findnode_did(vport, did);
 966                 if (ndlp) {
 967                         /* The bitmask value for FCP and NVME FCP types is
 968                          * the same because they are 32 bits distant from
 969                          * each other in word0 and word0.
 970                          */
 971                         if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
 972                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 973                         if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
 974                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 975                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 976                                          "3064 Setting ndlp %p, DID x%06x with "
 977                                          "FC4 x%08x, Data: x%08x x%08x\n",
 978                                          ndlp, did, ndlp->nlp_fc4_type,
 979                                          FC_TYPE_FCP, FC_TYPE_NVME);
 980                         ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
 981
 982                         lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
 983                         lpfc_issue_els_prli(vport, ndlp, 0);
 984                 }
 985         } else
 986                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 987                                  "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
 988
 989         lpfc_ct_free_iocb(phba, cmdiocb);
 990 }
 991
 992 static void
 993 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 994              struct lpfc_iocbq *rspiocb)
 995 {
 996         struct lpfc_vport *vport = cmdiocb->vport;
 997         struct lpfc_dmabuf *inp;
 998         struct lpfc_dmabuf *outp;
 999         IOCB_t *irsp;
1000         struct lpfc_sli_ct_request *CTrsp;
1001         struct lpfc_nodelist *ndlp;
1002         int cmdcode, rc;
1003         uint8_t retry;
1004         uint32_t latt;
1005
1006         /* First save ndlp, before we overwrite it */
1007         ndlp = cmdiocb->context_un.ndlp;
1008
1009         /* we pass cmdiocb to state machine which needs rspiocb as well */
1010         cmdiocb->context_un.rsp_iocb = rspiocb;
1011
1012         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1013         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1014         irsp = &rspiocb->iocb;
1015
1016         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1017                                         CommandResponse.bits.CmdRsp);
1018         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1019
1020         latt = lpfc_els_chk_latt(vport);
1021
1022         /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
1023         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1024                          "0209 CT Request completes, latt %d, "
1025                          "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1026                          latt, irsp->ulpStatus,
1027                          CTrsp->CommandResponse.bits.CmdRsp,
1028                          cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
1029
1030         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1031                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1032                 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
1033
1034         if (irsp->ulpStatus) {
1035                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1036                                  "0268 NS cmd x%x Error (x%x x%x)\n",
1037                                  cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
1038
1039                 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1040                         (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1041                           IOERR_SLI_DOWN) ||
1042                          ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1043                           IOERR_SLI_ABORTED)))
1044                         goto out;
1045
1046                 retry = cmdiocb->retry;
1047                 if (retry >= LPFC_MAX_NS_RETRY)
1048                         goto out;
1049
1050                 retry++;
1051                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1052                                  "0250 Retrying NS cmd %x\n", cmdcode);
1053                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1054                 if (rc == 0)
1055                         goto out;
1056         }
1057
1058 out:
1059         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1060         lpfc_ct_free_iocb(phba, cmdiocb);
1061         return;
1062 }
1063
1064 static void
1065 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1066                         struct lpfc_iocbq *rspiocb)
1067 {
1068         IOCB_t *irsp = &rspiocb->iocb;
1069         struct lpfc_vport *vport = cmdiocb->vport;
1070
1071         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1072                 struct lpfc_dmabuf *outp;
1073                 struct lpfc_sli_ct_request *CTrsp;
1074
1075                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1076                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1077                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1078                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1079                         vport->ct_flags |= FC_CT_RFT_ID;
1080         }
1081         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1082         return;
1083 }
1084
1085 static void
1086 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1087                         struct lpfc_iocbq *rspiocb)
1088 {
1089         IOCB_t *irsp = &rspiocb->iocb;
1090         struct lpfc_vport *vport = cmdiocb->vport;
1091
1092         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1093                 struct lpfc_dmabuf *outp;
1094                 struct lpfc_sli_ct_request *CTrsp;
1095
1096                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1097                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1098                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1099                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1100                         vport->ct_flags |= FC_CT_RNN_ID;
1101         }
1102         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1103         return;
1104 }
1105
1106 static void
1107 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1108                          struct lpfc_iocbq *rspiocb)
1109 {
1110         IOCB_t *irsp = &rspiocb->iocb;
1111         struct lpfc_vport *vport = cmdiocb->vport;
1112
1113         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1114                 struct lpfc_dmabuf *outp;
1115                 struct lpfc_sli_ct_request *CTrsp;
1116
1117                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1118                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1119                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1120                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1121                         vport->ct_flags |= FC_CT_RSPN_ID;
1122         }
1123         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1124         return;
1125 }
1126
1127 static void
1128 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1129                          struct lpfc_iocbq *rspiocb)
1130 {
1131         IOCB_t *irsp = &rspiocb->iocb;
1132         struct lpfc_vport *vport = cmdiocb->vport;
1133
1134         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1135                 struct lpfc_dmabuf *outp;
1136                 struct lpfc_sli_ct_request *CTrsp;
1137
1138                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1139                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1140                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1141                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1142                         vport->ct_flags |= FC_CT_RSNN_NN;
1143         }
1144         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1145         return;
1146 }
1147
1148 static void
1149 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1150  struct lpfc_iocbq *rspiocb)
1151 {
1152         struct lpfc_vport *vport = cmdiocb->vport;
1153
1154         /* even if it fails we will act as though it succeeded. */
1155         vport->ct_flags = 0;
1156         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1157         return;
1158 }
1159
1160 static void
1161 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1162                         struct lpfc_iocbq *rspiocb)
1163 {
1164         IOCB_t *irsp = &rspiocb->iocb;
1165         struct lpfc_vport *vport = cmdiocb->vport;
1166
1167         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1168                 struct lpfc_dmabuf *outp;
1169                 struct lpfc_sli_ct_request *CTrsp;
1170
1171                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1172                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1173                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1174                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1175                         vport->ct_flags |= FC_CT_RFF_ID;
1176         }
1177         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1178         return;
1179 }
1180
1181 /*
1182  * Although the symbolic port name is thought to be an integer
1183  * as of January 18, 2016, leave it as a string until more of
1184  * the record state becomes defined.
1185  */
1186 int
1187 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1188         size_t size)
1189 {
1190         int n;
1191
1192         /*
1193          * Use the lpfc board number as the Symbolic Port
1194          * Name object.  NPIV is not in play so this integer
1195          * value is sufficient and unique per FC-ID.
1196          */
1197         n = snprintf(symbol, size, "%d", vport->phba->brd_no);
1198         return n;
1199 }
1200
1201
1202 int
1203 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1204         size_t size)
1205 {
1206         char fwrev[FW_REV_STR_SIZE];
1207         int n;
1208
1209         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1210
1211         n = snprintf(symbol, size, "Emulex %s", vport->phba->ModelName);
1212         if (size < n)
1213                 return n;
1214
1215         n += snprintf(symbol + n, size - n, " FV%s", fwrev);
1216         if (size < n)
1217                 return n;
1218
1219         n += snprintf(symbol + n, size - n, " DV%s.",
1220                       lpfc_release_version);
1221         if (size < n)
1222                 return n;
1223
1224         n += snprintf(symbol + n, size - n, " HN:%s.",
1225                       init_utsname()->nodename);
1226         if (size < n)
1227                 return n;
1228
1229         /* Note :- OS name is "Linux" */
1230         n += snprintf(symbol + n, size - n, " OS:%s\n",
1231                       init_utsname()->sysname);
1232         return n;
1233 }
1234
1235 static uint32_t
1236 lpfc_find_map_node(struct lpfc_vport *vport)
1237 {
1238         struct lpfc_nodelist *ndlp, *next_ndlp;
1239         struct Scsi_Host  *shost;
1240         uint32_t cnt = 0;
1241
1242         shost = lpfc_shost_from_vport(vport);
1243         spin_lock_irq(shost->host_lock);
1244         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1245                 if (ndlp->nlp_type & NLP_FABRIC)
1246                         continue;
1247                 if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1248                     (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1249                         cnt++;
1250         }
1251         spin_unlock_irq(shost->host_lock);
1252         return cnt;
1253 }
1254
1255 /*
1256  * This routine will return the FC4 Type associated with the CT
1257  * GID_FT command.
1258  */
1259 int
1260 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1261 {
1262         struct lpfc_sli_ct_request *CtReq;
1263         struct lpfc_dmabuf *mp;
1264         uint32_t type;
1265
1266         mp = cmdiocb->context1;
1267         if (mp == NULL)
1268                 return 0;
1269         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1270         type = (uint32_t)CtReq->un.gid.Fc4Type;
1271         if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1272                 return 0;
1273         return type;
1274 }
1275
1276 /*
1277  * lpfc_ns_cmd
1278  * Description:
1279  *    Issue Cmd to NameServer
1280  *       SLI_CTNS_GID_FT
1281  *       LI_CTNS_RFT_ID
1282  */
1283 int
1284 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1285             uint8_t retry, uint32_t context)
1286 {
1287         struct lpfc_nodelist * ndlp;
1288         struct lpfc_hba *phba = vport->phba;
1289         struct lpfc_dmabuf *mp, *bmp;
1290         struct lpfc_sli_ct_request *CtReq;
1291         struct ulp_bde64 *bpl;
1292         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1293                       struct lpfc_iocbq *) = NULL;
1294         uint32_t rsp_size = 1024;
1295         size_t   size;
1296         int rc = 0;
1297
1298         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1299         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1300             || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1301                 rc=1;
1302                 goto ns_cmd_exit;
1303         }
1304
1305         /* fill in BDEs for command */
1306         /* Allocate buffer for command payload */
1307         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1308         if (!mp) {
1309                 rc=2;
1310                 goto ns_cmd_exit;
1311         }
1312
1313         INIT_LIST_HEAD(&mp->list);
1314         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1315         if (!mp->virt) {
1316                 rc=3;
1317                 goto ns_cmd_free_mp;
1318         }
1319
1320         /* Allocate buffer for Buffer ptr list */
1321         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1322         if (!bmp) {
1323                 rc=4;
1324                 goto ns_cmd_free_mpvirt;
1325         }
1326
1327         INIT_LIST_HEAD(&bmp->list);
1328         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1329         if (!bmp->virt) {
1330                 rc=5;
1331                 goto ns_cmd_free_bmp;
1332         }
1333
1334         /* NameServer Req */
1335         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1336                          "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1337                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1338                          context);
1339
1340         bpl = (struct ulp_bde64 *) bmp->virt;
1341         memset(bpl, 0, sizeof(struct ulp_bde64));
1342         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1343         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1344         bpl->tus.f.bdeFlags = 0;
1345         if (cmdcode == SLI_CTNS_GID_FT)
1346                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1347         else if (cmdcode == SLI_CTNS_GFF_ID)
1348                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1349         else if (cmdcode == SLI_CTNS_GFT_ID)
1350                 bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1351         else if (cmdcode == SLI_CTNS_RFT_ID)
1352                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1353         else if (cmdcode == SLI_CTNS_RNN_ID)
1354                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1355         else if (cmdcode == SLI_CTNS_RSPN_ID)
1356                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1357         else if (cmdcode == SLI_CTNS_RSNN_NN)
1358                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1359         else if (cmdcode == SLI_CTNS_DA_ID)
1360                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1361         else if (cmdcode == SLI_CTNS_RFF_ID)
1362                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1363         else
1364                 bpl->tus.f.bdeSize = 0;
1365         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1366
1367         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1368         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1369         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1370         CtReq->RevisionId.bits.InId = 0;
1371         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1372         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1373         CtReq->CommandResponse.bits.Size = 0;
1374         switch (cmdcode) {
1375         case SLI_CTNS_GID_FT:
1376                 CtReq->CommandResponse.bits.CmdRsp =
1377                     cpu_to_be16(SLI_CTNS_GID_FT);
1378                 CtReq->un.gid.Fc4Type = context;
1379
1380                 if (vport->port_state < LPFC_NS_QRY)
1381                         vport->port_state = LPFC_NS_QRY;
1382                 lpfc_set_disctmo(vport);
1383                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1384                 rsp_size = FC_MAX_NS_RSP;
1385                 break;
1386
1387         case SLI_CTNS_GFF_ID:
1388                 CtReq->CommandResponse.bits.CmdRsp =
1389                         cpu_to_be16(SLI_CTNS_GFF_ID);
1390                 CtReq->un.gff.PortId = cpu_to_be32(context);
1391                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
1392                 break;
1393
1394         case SLI_CTNS_GFT_ID:
1395                 CtReq->CommandResponse.bits.CmdRsp =
1396                         cpu_to_be16(SLI_CTNS_GFT_ID);
1397                 CtReq->un.gft.PortId = cpu_to_be32(context);
1398                 cmpl = lpfc_cmpl_ct_cmd_gft_id;
1399                 break;
1400
1401         case SLI_CTNS_RFT_ID:
1402                 vport->ct_flags &= ~FC_CT_RFT_ID;
1403                 CtReq->CommandResponse.bits.CmdRsp =
1404                     cpu_to_be16(SLI_CTNS_RFT_ID);
1405                 CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1406
1407                 /* Register FC4 FCP type if enabled.  */
1408                 if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1409                     (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP))
1410                         CtReq->un.rft.fcpReg = 1;
1411
1412                 /* Register NVME type if enabled.  Defined LE and swapped.
1413                  * rsvd[0] is used as word1 because of the hard-coded
1414                  * word0 usage in the ct_request data structure.
1415                  */
1416                 if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1417                     (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME))
1418                         CtReq->un.rft.rsvd[0] = cpu_to_be32(0x00000100);
1419
1420                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
1421                 break;
1422
1423         case SLI_CTNS_RNN_ID:
1424                 vport->ct_flags &= ~FC_CT_RNN_ID;
1425                 CtReq->CommandResponse.bits.CmdRsp =
1426                     cpu_to_be16(SLI_CTNS_RNN_ID);
1427                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1428                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1429                        sizeof(struct lpfc_name));
1430                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1431                 break;
1432
1433         case SLI_CTNS_RSPN_ID:
1434                 vport->ct_flags &= ~FC_CT_RSPN_ID;
1435                 CtReq->CommandResponse.bits.CmdRsp =
1436                     cpu_to_be16(SLI_CTNS_RSPN_ID);
1437                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1438                 size = sizeof(CtReq->un.rspn.symbname);
1439                 CtReq->un.rspn.len =
1440                         lpfc_vport_symbolic_port_name(vport,
1441                         CtReq->un.rspn.symbname, size);
1442                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1443                 break;
1444         case SLI_CTNS_RSNN_NN:
1445                 vport->ct_flags &= ~FC_CT_RSNN_NN;
1446                 CtReq->CommandResponse.bits.CmdRsp =
1447                     cpu_to_be16(SLI_CTNS_RSNN_NN);
1448                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1449                        sizeof(struct lpfc_name));
1450                 size = sizeof(CtReq->un.rsnn.symbname);
1451                 CtReq->un.rsnn.len =
1452                         lpfc_vport_symbolic_node_name(vport,
1453                         CtReq->un.rsnn.symbname, size);
1454                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1455                 break;
1456         case SLI_CTNS_DA_ID:
1457                 /* Implement DA_ID Nameserver request */
1458                 CtReq->CommandResponse.bits.CmdRsp =
1459                         cpu_to_be16(SLI_CTNS_DA_ID);
1460                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1461                 cmpl = lpfc_cmpl_ct_cmd_da_id;
1462                 break;
1463         case SLI_CTNS_RFF_ID:
1464                 vport->ct_flags &= ~FC_CT_RFF_ID;
1465                 CtReq->CommandResponse.bits.CmdRsp =
1466                     cpu_to_be16(SLI_CTNS_RFF_ID);
1467                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1468                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1469
1470                 /* The driver always supports FC_TYPE_FCP.  However, the
1471                  * caller can specify NVME (type x28) as well.  But only
1472                  * these that FC4 type is supported.
1473                  */
1474                 if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1475                      (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
1476                     (context == FC_TYPE_NVME)) {
1477                         if ((vport == phba->pport) && phba->nvmet_support) {
1478                                 CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
1479                                         FC4_FEATURE_NVME_DISC);
1480                                 lpfc_nvmet_update_targetport(phba);
1481                         } else {
1482                                 lpfc_nvme_update_localport(vport);
1483                         }
1484                         CtReq->un.rff.type_code = context;
1485
1486                 } else if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1487                             (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
1488                            (context == FC_TYPE_FCP))
1489                         CtReq->un.rff.type_code = context;
1490
1491                 else
1492                         goto ns_cmd_free_bmpvirt;
1493
1494                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
1495                 break;
1496         }
1497         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1498          * to hold ndlp reference for the corresponding callback function.
1499          */
1500         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1501                 /* On success, The cmpl function will free the buffers */
1502                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1503                         "Issue CT cmd:    cmd:x%x did:x%x",
1504                         cmdcode, ndlp->nlp_DID, 0);
1505                 return 0;
1506         }
1507         rc=6;
1508
1509         /* Decrement ndlp reference count to release ndlp reference held
1510          * for the failed command's callback function.
1511          */
1512         lpfc_nlp_put(ndlp);
1513
1514 ns_cmd_free_bmpvirt:
1515         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1516 ns_cmd_free_bmp:
1517         kfree(bmp);
1518 ns_cmd_free_mpvirt:
1519         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1520 ns_cmd_free_mp:
1521         kfree(mp);
1522 ns_cmd_exit:
1523         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1524                          "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1525                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1526         return 1;
1527 }
1528
1529 /**
1530  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
1531  * @phba: Pointer to HBA context object.
1532  * @cmdiocb: Pointer to the command IOCBQ.
1533  * @rspiocb: Pointer to the response IOCBQ.
1534  *
1535  * This function to handle the completion of a driver initiated FDMI
1536  * CT command issued during discovery.
1537  */
1538 static void
1539 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1540                        struct lpfc_iocbq *rspiocb)
1541 {
1542         struct lpfc_vport *vport = cmdiocb->vport;
1543         struct lpfc_dmabuf *inp = cmdiocb->context1;
1544         struct lpfc_dmabuf *outp = cmdiocb->context2;
1545         struct lpfc_sli_ct_request *CTcmd = inp->virt;
1546         struct lpfc_sli_ct_request *CTrsp = outp->virt;
1547         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1548         uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1549         IOCB_t *irsp = &rspiocb->iocb;
1550         struct lpfc_nodelist *ndlp;
1551         uint32_t latt, cmd, err;
1552
1553         latt = lpfc_els_chk_latt(vport);
1554         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1555                 "FDMI cmpl:       status:x%x/x%x latt:%d",
1556                 irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1557
1558         if (latt || irsp->ulpStatus) {
1559
1560                 /* Look for a retryable error */
1561                 if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1562                         switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) {
1563                         case IOERR_SLI_ABORTED:
1564                         case IOERR_ABORT_IN_PROGRESS:
1565                         case IOERR_SEQUENCE_TIMEOUT:
1566                         case IOERR_ILLEGAL_FRAME:
1567                         case IOERR_NO_RESOURCES:
1568                         case IOERR_ILLEGAL_COMMAND:
1569                                 cmdiocb->retry++;
1570                                 if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
1571                                         break;
1572
1573                                 /* Retry the same FDMI command */
1574                                 err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
1575                                                           cmdiocb, 0);
1576                                 if (err == IOCB_ERROR)
1577                                         break;
1578                                 return;
1579                         default:
1580                                 break;
1581                         }
1582                 }
1583
1584                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1585                                  "0229 FDMI cmd %04x failed, latt = %d "
1586                                  "ulpStatus: x%x, rid x%x\n",
1587                                  be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1588                                  irsp->un.ulpWord[4]);
1589         }
1590         lpfc_ct_free_iocb(phba, cmdiocb);
1591
1592         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1593         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1594                 return;
1595
1596         /* Check for a CT LS_RJT response */
1597         cmd =  be16_to_cpu(fdmi_cmd);
1598         if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
1599                 /* FDMI rsp failed */
1600                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1601                                  "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
1602
1603                 /* Should we fallback to FDMI-2 / FDMI-1 ? */
1604                 switch (cmd) {
1605                 case SLI_MGMT_RHBA:
1606                         if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
1607                                 /* Fallback to FDMI-1 */
1608                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1609                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1610                                 /* Start over */
1611                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1612                         }
1613                         return;
1614
1615                 case SLI_MGMT_RPRT:
1616                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1617                                 /* Fallback to FDMI-1 */
1618                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1619                                 /* Start over */
1620                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1621                         }
1622                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1623                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1624                                 /* Retry the same command */
1625                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1626                         }
1627                         return;
1628
1629                 case SLI_MGMT_RPA:
1630                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1631                                 /* Fallback to FDMI-1 */
1632                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1633                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1634                                 /* Start over */
1635                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1636                         }
1637                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1638                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1639                                 /* Retry the same command */
1640                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1641                         }
1642                         return;
1643                 }
1644         }
1645
1646         /*
1647          * On success, need to cycle thru FDMI registration for discovery
1648          * DHBA -> DPRT -> RHBA -> RPA  (physical port)
1649          * DPRT -> RPRT (vports)
1650          */
1651         switch (cmd) {
1652         case SLI_MGMT_RHBA:
1653                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
1654                 break;
1655
1656         case SLI_MGMT_DHBA:
1657                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
1658                 break;
1659
1660         case SLI_MGMT_DPRT:
1661                 if (vport->port_type == LPFC_PHYSICAL_PORT)
1662                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
1663                 else
1664                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
1665                 break;
1666         }
1667         return;
1668 }
1669
1670
1671 /**
1672  * lpfc_fdmi_num_disc_check - Check how many mapped NPorts we are connected to
1673  * @vport: pointer to a host virtual N_Port data structure.
1674  *
1675  * Called from hbeat timeout routine to check if the number of discovered
1676  * ports has changed. If so, re-register thar port Attribute.
1677  */
1678 void
1679 lpfc_fdmi_num_disc_check(struct lpfc_vport *vport)
1680 {
1681         struct lpfc_hba *phba = vport->phba;
1682         struct lpfc_nodelist *ndlp;
1683         uint16_t cnt;
1684
1685         if (!lpfc_is_link_up(phba))
1686                 return;
1687
1688         /* Must be connected to a Fabric */
1689         if (!(vport->fc_flag & FC_FABRIC))
1690                 return;
1691
1692         if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
1693                 return;
1694
1695         cnt = lpfc_find_map_node(vport);
1696         if (cnt == vport->fdmi_num_disc)
1697                 return;
1698
1699         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1700         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1701                 return;
1702
1703         if (vport->port_type == LPFC_PHYSICAL_PORT) {
1704                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
1705                               LPFC_FDMI_PORT_ATTR_num_disc);
1706         } else {
1707                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
1708                               LPFC_FDMI_PORT_ATTR_num_disc);
1709         }
1710 }
1711
1712 /* Routines for all individual HBA attributes */
1713 static int
1714 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
1715 {
1716         struct lpfc_fdmi_attr_entry *ae;
1717         uint32_t size;
1718
1719         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1720         memset(ae, 0, sizeof(struct lpfc_name));
1721
1722         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
1723                sizeof(struct lpfc_name));
1724         size = FOURBYTES + sizeof(struct lpfc_name);
1725         ad->AttrLen = cpu_to_be16(size);
1726         ad->AttrType = cpu_to_be16(RHBA_NODENAME);
1727         return size;
1728 }
1729 static int
1730 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
1731                                 struct lpfc_fdmi_attr_def *ad)
1732 {
1733         struct lpfc_fdmi_attr_entry *ae;
1734         uint32_t len, size;
1735
1736         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1737         memset(ae, 0, 256);
1738
1739         strncpy(ae->un.AttrString,
1740                 "Emulex Corporation",
1741                        sizeof(ae->un.AttrString));
1742         len = strnlen(ae->un.AttrString,
1743                           sizeof(ae->un.AttrString));
1744         len += (len & 3) ? (4 - (len & 3)) : 4;
1745         size = FOURBYTES + len;
1746         ad->AttrLen = cpu_to_be16(size);
1747         ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
1748         return size;
1749 }
1750
1751 static int
1752 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
1753 {
1754         struct lpfc_hba *phba = vport->phba;
1755         struct lpfc_fdmi_attr_entry *ae;
1756         uint32_t len, size;
1757
1758         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1759         memset(ae, 0, 256);
1760
1761         strncpy(ae->un.AttrString, phba->SerialNumber,
1762                 sizeof(ae->un.AttrString));
1763         len = strnlen(ae->un.AttrString,
1764                           sizeof(ae->un.AttrString));
1765         len += (len & 3) ? (4 - (len & 3)) : 4;
1766         size = FOURBYTES + len;
1767         ad->AttrLen = cpu_to_be16(size);
1768         ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
1769         return size;
1770 }
1771
1772 static int
1773 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
1774                          struct lpfc_fdmi_attr_def *ad)
1775 {
1776         struct lpfc_hba *phba = vport->phba;
1777         struct lpfc_fdmi_attr_entry *ae;
1778         uint32_t len, size;
1779
1780         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1781         memset(ae, 0, 256);
1782
1783         strncpy(ae->un.AttrString, phba->ModelName,
1784                 sizeof(ae->un.AttrString));
1785         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
1786         len += (len & 3) ? (4 - (len & 3)) : 4;
1787         size = FOURBYTES + len;
1788         ad->AttrLen = cpu_to_be16(size);
1789         ad->AttrType = cpu_to_be16(RHBA_MODEL);
1790         return size;
1791 }
1792
1793 static int
1794 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
1795                                struct lpfc_fdmi_attr_def *ad)
1796 {
1797         struct lpfc_hba *phba = vport->phba;
1798         struct lpfc_fdmi_attr_entry *ae;
1799         uint32_t len, size;
1800
1801         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1802         memset(ae, 0, 256);
1803
1804         strncpy(ae->un.AttrString, phba->ModelDesc,
1805                 sizeof(ae->un.AttrString));
1806         len = strnlen(ae->un.AttrString,
1807                                   sizeof(ae->un.AttrString));
1808         len += (len & 3) ? (4 - (len & 3)) : 4;
1809         size = FOURBYTES + len;
1810         ad->AttrLen = cpu_to_be16(size);
1811         ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
1812         return size;
1813 }
1814
1815 static int
1816 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
1817                            struct lpfc_fdmi_attr_def *ad)
1818 {
1819         struct lpfc_hba *phba = vport->phba;
1820         lpfc_vpd_t *vp = &phba->vpd;
1821         struct lpfc_fdmi_attr_entry *ae;
1822         uint32_t i, j, incr, size;
1823
1824         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1825         memset(ae, 0, 256);
1826
1827         /* Convert JEDEC ID to ascii for hardware version */
1828         incr = vp->rev.biuRev;
1829         for (i = 0; i < 8; i++) {
1830                 j = (incr & 0xf);
1831                 if (j <= 9)
1832                         ae->un.AttrString[7 - i] =
1833                             (char)((uint8_t) 0x30 +
1834                                    (uint8_t) j);
1835                 else
1836                         ae->un.AttrString[7 - i] =
1837                             (char)((uint8_t) 0x61 +
1838                                    (uint8_t) (j - 10));
1839                 incr = (incr >> 4);
1840         }
1841         size = FOURBYTES + 8;
1842         ad->AttrLen = cpu_to_be16(size);
1843         ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
1844         return size;
1845 }
1846
1847 static int
1848 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
1849                             struct lpfc_fdmi_attr_def *ad)
1850 {
1851         struct lpfc_fdmi_attr_entry *ae;
1852         uint32_t len, size;
1853
1854         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1855         memset(ae, 0, 256);
1856
1857         strncpy(ae->un.AttrString, lpfc_release_version,
1858                 sizeof(ae->un.AttrString));
1859         len = strnlen(ae->un.AttrString,
1860                           sizeof(ae->un.AttrString));
1861         len += (len & 3) ? (4 - (len & 3)) : 4;
1862         size = FOURBYTES + len;
1863         ad->AttrLen = cpu_to_be16(size);
1864         ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
1865         return size;
1866 }
1867
1868 static int
1869 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
1870                            struct lpfc_fdmi_attr_def *ad)
1871 {
1872         struct lpfc_hba *phba = vport->phba;
1873         struct lpfc_fdmi_attr_entry *ae;
1874         uint32_t len, size;
1875
1876         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1877         memset(ae, 0, 256);
1878
1879         if (phba->sli_rev == LPFC_SLI_REV4)
1880                 lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
1881         else
1882                 strncpy(ae->un.AttrString, phba->OptionROMVersion,
1883                         sizeof(ae->un.AttrString));
1884         len = strnlen(ae->un.AttrString,
1885                           sizeof(ae->un.AttrString));
1886         len += (len & 3) ? (4 - (len & 3)) : 4;
1887         size = FOURBYTES + len;
1888         ad->AttrLen = cpu_to_be16(size);
1889         ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
1890         return size;
1891 }
1892
1893 static int
1894 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
1895                            struct lpfc_fdmi_attr_def *ad)
1896 {
1897         struct lpfc_hba *phba = vport->phba;
1898         struct lpfc_fdmi_attr_entry *ae;
1899         uint32_t len, size;
1900
1901         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1902         memset(ae, 0, 256);
1903
1904         lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
1905         len = strnlen(ae->un.AttrString,
1906                           sizeof(ae->un.AttrString));
1907         len += (len & 3) ? (4 - (len & 3)) : 4;
1908         size = FOURBYTES + len;
1909         ad->AttrLen = cpu_to_be16(size);
1910         ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
1911         return size;
1912 }
1913
1914 static int
1915 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
1916                           struct lpfc_fdmi_attr_def *ad)
1917 {
1918         struct lpfc_fdmi_attr_entry *ae;
1919         uint32_t len, size;
1920
1921         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1922         memset(ae, 0, 256);
1923
1924         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
1925                  init_utsname()->sysname,
1926                  init_utsname()->release,
1927                  init_utsname()->version);
1928
1929         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
1930         len += (len & 3) ? (4 - (len & 3)) : 4;
1931         size = FOURBYTES + len;
1932         ad->AttrLen = cpu_to_be16(size);
1933         ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
1934         return size;
1935 }
1936
1937 static int
1938 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
1939                           struct lpfc_fdmi_attr_def *ad)
1940 {
1941         struct lpfc_fdmi_attr_entry *ae;
1942         uint32_t size;
1943
1944         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1945
1946         ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
1947         size = FOURBYTES + sizeof(uint32_t);
1948         ad->AttrLen = cpu_to_be16(size);
1949         ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
1950         return size;
1951 }
1952
1953 static int
1954 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
1955                                  struct lpfc_fdmi_attr_def *ad)
1956 {
1957         struct lpfc_fdmi_attr_entry *ae;
1958         uint32_t len, size;
1959
1960         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1961         memset(ae, 0, 256);
1962
1963         len = lpfc_vport_symbolic_node_name(vport,
1964                                 ae->un.AttrString, 256);
1965         len += (len & 3) ? (4 - (len & 3)) : 4;
1966         size = FOURBYTES + len;
1967         ad->AttrLen = cpu_to_be16(size);
1968         ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
1969         return size;
1970 }
1971
1972 static int
1973 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
1974                                struct lpfc_fdmi_attr_def *ad)
1975 {
1976         struct lpfc_fdmi_attr_entry *ae;
1977         uint32_t size;
1978
1979         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1980
1981         /* Nothing is defined for this currently */
1982         ae->un.AttrInt =  cpu_to_be32(0);
1983         size = FOURBYTES + sizeof(uint32_t);
1984         ad->AttrLen = cpu_to_be16(size);
1985         ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
1986         return size;
1987 }
1988
1989 static int
1990 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
1991                              struct lpfc_fdmi_attr_def *ad)
1992 {
1993         struct lpfc_fdmi_attr_entry *ae;
1994         uint32_t size;
1995
1996         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1997
1998         /* Each driver instance corresponds to a single port */
1999         ae->un.AttrInt =  cpu_to_be32(1);
2000         size = FOURBYTES + sizeof(uint32_t);
2001         ad->AttrLen = cpu_to_be16(size);
2002         ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2003         return size;
2004 }
2005
2006 static int
2007 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2008                                struct lpfc_fdmi_attr_def *ad)
2009 {
2010         struct lpfc_fdmi_attr_entry *ae;
2011         uint32_t size;
2012
2013         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2014         memset(ae, 0, sizeof(struct lpfc_name));
2015
2016         memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2017                sizeof(struct lpfc_name));
2018         size = FOURBYTES + sizeof(struct lpfc_name);
2019         ad->AttrLen = cpu_to_be16(size);
2020         ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2021         return size;
2022 }
2023
2024 static int
2025 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2026                             struct lpfc_fdmi_attr_def *ad)
2027 {
2028         struct lpfc_hba *phba = vport->phba;
2029         struct lpfc_fdmi_attr_entry *ae;
2030         uint32_t len, size;
2031
2032         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2033         memset(ae, 0, 256);
2034
2035         lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2036         len = strnlen(ae->un.AttrString,
2037                           sizeof(ae->un.AttrString));
2038         len += (len & 3) ? (4 - (len & 3)) : 4;
2039         size = FOURBYTES + len;
2040         ad->AttrLen = cpu_to_be16(size);
2041         ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2042         return size;
2043 }
2044
2045 static int
2046 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2047                               struct lpfc_fdmi_attr_def *ad)
2048 {
2049         struct lpfc_fdmi_attr_entry *ae;
2050         uint32_t size;
2051
2052         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2053
2054         /* Driver doesn't have access to this information */
2055         ae->un.AttrInt =  cpu_to_be32(0);
2056         size = FOURBYTES + sizeof(uint32_t);
2057         ad->AttrLen = cpu_to_be16(size);
2058         ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2059         return size;
2060 }
2061
2062 static int
2063 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2064                              struct lpfc_fdmi_attr_def *ad)
2065 {
2066         struct lpfc_fdmi_attr_entry *ae;
2067         uint32_t len, size;
2068
2069         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2070         memset(ae, 0, 256);
2071
2072         strncpy(ae->un.AttrString, "EMULEX",
2073                 sizeof(ae->un.AttrString));
2074         len = strnlen(ae->un.AttrString,
2075                           sizeof(ae->un.AttrString));
2076         len += (len & 3) ? (4 - (len & 3)) : 4;
2077         size = FOURBYTES + len;
2078         ad->AttrLen = cpu_to_be16(size);
2079         ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2080         return size;
2081 }
2082
2083 /* Routines for all individual PORT attributes */
2084 static int
2085 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2086                             struct lpfc_fdmi_attr_def *ad)
2087 {
2088         struct lpfc_fdmi_attr_entry *ae;
2089         uint32_t size;
2090
2091         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2092         memset(ae, 0, 32);
2093
2094         ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2095         ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2096         ae->un.AttrTypes[6] = 0x01; /* Type 40 - NVME */
2097         ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2098         size = FOURBYTES + 32;
2099         ad->AttrLen = cpu_to_be16(size);
2100         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2101         return size;
2102 }
2103
2104 static int
2105 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2106                                   struct lpfc_fdmi_attr_def *ad)
2107 {
2108         struct lpfc_hba   *phba = vport->phba;
2109         struct lpfc_fdmi_attr_entry *ae;
2110         uint32_t size;
2111
2112         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2113
2114         ae->un.AttrInt = 0;
2115         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2116                 if (phba->lmt & LMT_32Gb)
2117                         ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2118                 if (phba->lmt & LMT_16Gb)
2119                         ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2120                 if (phba->lmt & LMT_10Gb)
2121                         ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2122                 if (phba->lmt & LMT_8Gb)
2123                         ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2124                 if (phba->lmt & LMT_4Gb)
2125                         ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2126                 if (phba->lmt & LMT_2Gb)
2127                         ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2128                 if (phba->lmt & LMT_1Gb)
2129                         ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2130         } else {
2131                 /* FCoE links support only one speed */
2132                 switch (phba->fc_linkspeed) {
2133                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2134                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
2135                         break;
2136                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2137                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
2138                         break;
2139                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2140                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
2141                         break;
2142                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2143                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
2144                         break;
2145                 }
2146         }
2147         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2148         size = FOURBYTES + sizeof(uint32_t);
2149         ad->AttrLen = cpu_to_be16(size);
2150         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2151         return size;
2152 }
2153
2154 static int
2155 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2156                           struct lpfc_fdmi_attr_def *ad)
2157 {
2158         struct lpfc_hba   *phba = vport->phba;
2159         struct lpfc_fdmi_attr_entry *ae;
2160         uint32_t size;
2161
2162         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2163
2164         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2165                 switch (phba->fc_linkspeed) {
2166                 case LPFC_LINK_SPEED_1GHZ:
2167                         ae->un.AttrInt = HBA_PORTSPEED_1GFC;
2168                         break;
2169                 case LPFC_LINK_SPEED_2GHZ:
2170                         ae->un.AttrInt = HBA_PORTSPEED_2GFC;
2171                         break;
2172                 case LPFC_LINK_SPEED_4GHZ:
2173                         ae->un.AttrInt = HBA_PORTSPEED_4GFC;
2174                         break;
2175                 case LPFC_LINK_SPEED_8GHZ:
2176                         ae->un.AttrInt = HBA_PORTSPEED_8GFC;
2177                         break;
2178                 case LPFC_LINK_SPEED_10GHZ:
2179                         ae->un.AttrInt = HBA_PORTSPEED_10GFC;
2180                         break;
2181                 case LPFC_LINK_SPEED_16GHZ:
2182                         ae->un.AttrInt = HBA_PORTSPEED_16GFC;
2183                         break;
2184                 case LPFC_LINK_SPEED_32GHZ:
2185                         ae->un.AttrInt = HBA_PORTSPEED_32GFC;
2186                         break;
2187                 default:
2188                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2189                         break;
2190                 }
2191         } else {
2192                 switch (phba->fc_linkspeed) {
2193                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2194                         ae->un.AttrInt = HBA_PORTSPEED_10GE;
2195                         break;
2196                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2197                         ae->un.AttrInt = HBA_PORTSPEED_25GE;
2198                         break;
2199                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2200                         ae->un.AttrInt = HBA_PORTSPEED_40GE;
2201                         break;
2202                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2203                         ae->un.AttrInt = HBA_PORTSPEED_100GE;
2204                         break;
2205                 default:
2206                         ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2207                         break;
2208                 }
2209         }
2210
2211         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2212         size = FOURBYTES + sizeof(uint32_t);
2213         ad->AttrLen = cpu_to_be16(size);
2214         ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
2215         return size;
2216 }
2217
2218 static int
2219 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
2220                               struct lpfc_fdmi_attr_def *ad)
2221 {
2222         struct serv_parm *hsp;
2223         struct lpfc_fdmi_attr_entry *ae;
2224         uint32_t size;
2225
2226         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2227
2228         hsp = (struct serv_parm *)&vport->fc_sparam;
2229         ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb) << 8) |
2230                           (uint32_t) hsp->cmn.bbRcvSizeLsb;
2231         ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2232         size = FOURBYTES + sizeof(uint32_t);
2233         ad->AttrLen = cpu_to_be16(size);
2234         ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
2235         return size;
2236 }
2237
2238 static int
2239 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
2240                                struct lpfc_fdmi_attr_def *ad)
2241 {
2242         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2243         struct lpfc_fdmi_attr_entry *ae;
2244         uint32_t len, size;
2245
2246         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2247         memset(ae, 0, 256);
2248
2249         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
2250                  "/sys/class/scsi_host/host%d", shost->host_no);
2251         len = strnlen((char *)ae->un.AttrString,
2252                           sizeof(ae->un.AttrString));
2253         len += (len & 3) ? (4 - (len & 3)) : 4;
2254         size = FOURBYTES + len;
2255         ad->AttrLen = cpu_to_be16(size);
2256         ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
2257         return size;
2258 }
2259
2260 static int
2261 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
2262                               struct lpfc_fdmi_attr_def *ad)
2263 {
2264         struct lpfc_fdmi_attr_entry *ae;
2265         uint32_t len, size;
2266
2267         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2268         memset(ae, 0, 256);
2269
2270         snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
2271                  init_utsname()->nodename);
2272
2273         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2274         len += (len & 3) ? (4 - (len & 3)) : 4;
2275         size = FOURBYTES + len;
2276         ad->AttrLen = cpu_to_be16(size);
2277         ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
2278         return size;
2279 }
2280
2281 static int
2282 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
2283                          struct lpfc_fdmi_attr_def *ad)
2284 {
2285         struct lpfc_fdmi_attr_entry *ae;
2286         uint32_t size;
2287
2288         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2289         memset(ae, 0,  sizeof(struct lpfc_name));
2290
2291         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2292                sizeof(struct lpfc_name));
2293         size = FOURBYTES + sizeof(struct lpfc_name);
2294         ad->AttrLen = cpu_to_be16(size);
2295         ad->AttrType = cpu_to_be16(RPRT_NODENAME);
2296         return size;
2297 }
2298
2299 static int
2300 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
2301                          struct lpfc_fdmi_attr_def *ad)
2302 {
2303         struct lpfc_fdmi_attr_entry *ae;
2304         uint32_t size;
2305
2306         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2307         memset(ae, 0,  sizeof(struct lpfc_name));
2308
2309         memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
2310                sizeof(struct lpfc_name));
2311         size = FOURBYTES + sizeof(struct lpfc_name);
2312         ad->AttrLen = cpu_to_be16(size);
2313         ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
2314         return size;
2315 }
2316
2317 static int
2318 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
2319                                   struct lpfc_fdmi_attr_def *ad)
2320 {
2321         struct lpfc_fdmi_attr_entry *ae;
2322         uint32_t len, size;
2323
2324         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2325         memset(ae, 0, 256);
2326
2327         len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
2328         len += (len & 3) ? (4 - (len & 3)) : 4;
2329         size = FOURBYTES + len;
2330         ad->AttrLen = cpu_to_be16(size);
2331         ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
2332         return size;
2333 }
2334
2335 static int
2336 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
2337                               struct lpfc_fdmi_attr_def *ad)
2338 {
2339         struct lpfc_hba *phba = vport->phba;
2340         struct lpfc_fdmi_attr_entry *ae;
2341         uint32_t size;
2342
2343         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2344         if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
2345                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
2346         else
2347                 ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
2348         size = FOURBYTES + sizeof(uint32_t);
2349         ad->AttrLen = cpu_to_be16(size);
2350         ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
2351         return size;
2352 }
2353
2354 static int
2355 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
2356                           struct lpfc_fdmi_attr_def *ad)
2357 {
2358         struct lpfc_fdmi_attr_entry *ae;
2359         uint32_t size;
2360
2361         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2362         ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
2363         size = FOURBYTES + sizeof(uint32_t);
2364         ad->AttrLen = cpu_to_be16(size);
2365         ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
2366         return size;
2367 }
2368
2369 static int
2370 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
2371                                 struct lpfc_fdmi_attr_def *ad)
2372 {
2373         struct lpfc_fdmi_attr_entry *ae;
2374         uint32_t size;
2375
2376         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2377         memset(ae, 0,  sizeof(struct lpfc_name));
2378
2379         memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
2380                sizeof(struct lpfc_name));
2381         size = FOURBYTES + sizeof(struct lpfc_name);
2382         ad->AttrLen = cpu_to_be16(size);
2383         ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
2384         return size;
2385 }
2386
2387 static int
2388 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
2389                                    struct lpfc_fdmi_attr_def *ad)
2390 {
2391         struct lpfc_fdmi_attr_entry *ae;
2392         uint32_t size;
2393
2394         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2395         memset(ae, 0, 32);
2396
2397         ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
2398         ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
2399         ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
2400         size = FOURBYTES + 32;
2401         ad->AttrLen = cpu_to_be16(size);
2402         ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
2403         return size;
2404 }
2405
2406 static int
2407 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
2408                                struct lpfc_fdmi_attr_def *ad)
2409 {
2410         struct lpfc_fdmi_attr_entry *ae;
2411         uint32_t size;
2412
2413         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2414         /* Link Up - operational */
2415         ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
2416         size = FOURBYTES + sizeof(uint32_t);
2417         ad->AttrLen = cpu_to_be16(size);
2418         ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
2419         return size;
2420 }
2421
2422 static int
2423 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
2424                              struct lpfc_fdmi_attr_def *ad)
2425 {
2426         struct lpfc_fdmi_attr_entry *ae;
2427         uint32_t size;
2428
2429         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2430         vport->fdmi_num_disc = lpfc_find_map_node(vport);
2431         ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
2432         size = FOURBYTES + sizeof(uint32_t);
2433         ad->AttrLen = cpu_to_be16(size);
2434         ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
2435         return size;
2436 }
2437
2438 static int
2439 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
2440                             struct lpfc_fdmi_attr_def *ad)
2441 {
2442         struct lpfc_fdmi_attr_entry *ae;
2443         uint32_t size;
2444
2445         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2446         ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
2447         size = FOURBYTES + sizeof(uint32_t);
2448         ad->AttrLen = cpu_to_be16(size);
2449         ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
2450         return size;
2451 }
2452
2453 static int
2454 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
2455                              struct lpfc_fdmi_attr_def *ad)
2456 {
2457         struct lpfc_fdmi_attr_entry *ae;
2458         uint32_t len, size;
2459
2460         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2461         memset(ae, 0, 256);
2462
2463         strncpy(ae->un.AttrString, "Smart SAN Initiator",
2464                 sizeof(ae->un.AttrString));
2465         len = strnlen(ae->un.AttrString,
2466                           sizeof(ae->un.AttrString));
2467         len += (len & 3) ? (4 - (len & 3)) : 4;
2468         size = FOURBYTES + len;
2469         ad->AttrLen = cpu_to_be16(size);
2470         ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
2471         return size;
2472 }
2473
2474 static int
2475 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
2476                           struct lpfc_fdmi_attr_def *ad)
2477 {
2478         struct lpfc_fdmi_attr_entry *ae;
2479         uint32_t size;
2480
2481         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2482         memset(ae, 0, 256);
2483
2484         memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
2485                sizeof(struct lpfc_name));
2486         memcpy((((uint8_t *)&ae->un.AttrString) +
2487                 sizeof(struct lpfc_name)),
2488                 &vport->fc_sparam.portName, sizeof(struct lpfc_name));
2489         size = FOURBYTES + (2 * sizeof(struct lpfc_name));
2490         ad->AttrLen =  cpu_to_be16(size);
2491         ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
2492         return size;
2493 }
2494
2495 static int
2496 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
2497                              struct lpfc_fdmi_attr_def *ad)
2498 {
2499         struct lpfc_fdmi_attr_entry *ae;
2500         uint32_t len, size;
2501
2502         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2503         memset(ae, 0, 256);
2504
2505         strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
2506                 sizeof(ae->un.AttrString));
2507         len = strnlen(ae->un.AttrString,
2508                           sizeof(ae->un.AttrString));
2509         len += (len & 3) ? (4 - (len & 3)) : 4;
2510         size = FOURBYTES + len;
2511         ad->AttrLen =  cpu_to_be16(size);
2512         ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
2513         return size;
2514 }
2515
2516 static int
2517 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
2518                            struct lpfc_fdmi_attr_def *ad)
2519 {
2520         struct lpfc_hba *phba = vport->phba;
2521         struct lpfc_fdmi_attr_entry *ae;
2522         uint32_t len, size;
2523
2524         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2525         memset(ae, 0, 256);
2526
2527         strncpy(ae->un.AttrString, phba->ModelName,
2528                 sizeof(ae->un.AttrString));
2529         len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2530         len += (len & 3) ? (4 - (len & 3)) : 4;
2531         size = FOURBYTES + len;
2532         ad->AttrLen = cpu_to_be16(size);
2533         ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
2534         return size;
2535 }
2536
2537 static int
2538 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
2539                                struct lpfc_fdmi_attr_def *ad)
2540 {
2541         struct lpfc_fdmi_attr_entry *ae;
2542         uint32_t size;
2543
2544         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2545
2546         /* SRIOV (type 3) is not supported */
2547         if (vport->vpi)
2548                 ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
2549         else
2550                 ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
2551         size = FOURBYTES + sizeof(uint32_t);
2552         ad->AttrLen = cpu_to_be16(size);
2553         ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
2554         return size;
2555 }
2556
2557 static int
2558 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
2559                          struct lpfc_fdmi_attr_def *ad)
2560 {
2561         struct lpfc_fdmi_attr_entry *ae;
2562         uint32_t size;
2563
2564         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2565         ae->un.AttrInt =  cpu_to_be32(0);
2566         size = FOURBYTES + sizeof(uint32_t);
2567         ad->AttrLen = cpu_to_be16(size);
2568         ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
2569         return size;
2570 }
2571
2572 static int
2573 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
2574                               struct lpfc_fdmi_attr_def *ad)
2575 {
2576         struct lpfc_fdmi_attr_entry *ae;
2577         uint32_t size;
2578
2579         ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2580         ae->un.AttrInt =  cpu_to_be32(1);
2581         size = FOURBYTES + sizeof(uint32_t);
2582         ad->AttrLen = cpu_to_be16(size);
2583         ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
2584         return size;
2585 }
2586
2587 /* RHBA attribute jump table */
2588 int (*lpfc_fdmi_hba_action[])
2589         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2590         /* Action routine                 Mask bit     Attribute type */
2591         lpfc_fdmi_hba_attr_wwnn,          /* bit0     RHBA_NODENAME           */
2592         lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
2593         lpfc_fdmi_hba_attr_sn,            /* bit2     RHBA_SERIAL_NUMBER      */
2594         lpfc_fdmi_hba_attr_model,         /* bit3     RHBA_MODEL              */
2595         lpfc_fdmi_hba_attr_description,   /* bit4     RHBA_MODEL_DESCRIPTION  */
2596         lpfc_fdmi_hba_attr_hdw_ver,       /* bit5     RHBA_HARDWARE_VERSION   */
2597         lpfc_fdmi_hba_attr_drvr_ver,      /* bit6     RHBA_DRIVER_VERSION     */
2598         lpfc_fdmi_hba_attr_rom_ver,       /* bit7     RHBA_OPTION_ROM_VERSION */
2599         lpfc_fdmi_hba_attr_fmw_ver,       /* bit8     RHBA_FIRMWARE_VERSION   */
2600         lpfc_fdmi_hba_attr_os_ver,        /* bit9     RHBA_OS_NAME_VERSION    */
2601         lpfc_fdmi_hba_attr_ct_len,        /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
2602         lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
2603         lpfc_fdmi_hba_attr_vendor_info,   /* bit12    RHBA_VENDOR_INFO        */
2604         lpfc_fdmi_hba_attr_num_ports,     /* bit13    RHBA_NUM_PORTS          */
2605         lpfc_fdmi_hba_attr_fabric_wwnn,   /* bit14    RHBA_FABRIC_WWNN        */
2606         lpfc_fdmi_hba_attr_bios_ver,      /* bit15    RHBA_BIOS_VERSION       */
2607         lpfc_fdmi_hba_attr_bios_state,    /* bit16    RHBA_BIOS_STATE         */
2608         lpfc_fdmi_hba_attr_vendor_id,     /* bit17    RHBA_VENDOR_ID          */
2609 };
2610
2611 /* RPA / RPRT attribute jump table */
2612 int (*lpfc_fdmi_port_action[])
2613         (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2614         /* Action routine                   Mask bit   Attribute type */
2615         lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
2616         lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
2617         lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
2618         lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
2619         lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
2620         lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
2621         lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
2622         lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
2623         lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
2624         lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
2625         lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
2626         lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
2627         lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
2628         lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
2629         lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
2630         lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
2631         lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
2632         lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
2633         lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
2634         lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
2635         lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
2636         lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
2637         lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
2638 };
2639
2640 /**
2641  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
2642  * @vport: pointer to a host virtual N_Port data structure.
2643  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
2644  * cmdcode: FDMI command to send
2645  * mask: Mask of HBA or PORT Attributes to send
2646  *
2647  * Builds and sends a FDMI command using the CT subsystem.
2648  */
2649 int
2650 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2651               int cmdcode, uint32_t new_mask)
2652 {
2653         struct lpfc_hba *phba = vport->phba;
2654         struct lpfc_dmabuf *mp, *bmp;
2655         struct lpfc_sli_ct_request *CtReq;
2656         struct ulp_bde64 *bpl;
2657         uint32_t bit_pos;
2658         uint32_t size;
2659         uint32_t rsp_size;
2660         uint32_t mask;
2661         struct lpfc_fdmi_reg_hba *rh;
2662         struct lpfc_fdmi_port_entry *pe;
2663         struct lpfc_fdmi_reg_portattr *pab = NULL;
2664         struct lpfc_fdmi_attr_block *ab = NULL;
2665         int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
2666         void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
2667                      struct lpfc_iocbq *);
2668
2669         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
2670                 return 0;
2671
2672         cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
2673
2674         /* fill in BDEs for command */
2675         /* Allocate buffer for command payload */
2676         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2677         if (!mp)
2678                 goto fdmi_cmd_exit;
2679
2680         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
2681         if (!mp->virt)
2682                 goto fdmi_cmd_free_mp;
2683
2684         /* Allocate buffer for Buffer ptr list */
2685         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2686         if (!bmp)
2687                 goto fdmi_cmd_free_mpvirt;
2688
2689         bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
2690         if (!bmp->virt)
2691                 goto fdmi_cmd_free_bmp;
2692
2693         INIT_LIST_HEAD(&mp->list);
2694         INIT_LIST_HEAD(&bmp->list);
2695
2696         /* FDMI request */
2697         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2698                          "0218 FDMI Request Data: x%x x%x x%x\n",
2699                          vport->fc_flag, vport->port_state, cmdcode);
2700         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
2701
2702         /* First populate the CT_IU preamble */
2703         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
2704         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
2705         CtReq->RevisionId.bits.InId = 0;
2706
2707         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
2708         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
2709
2710         CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
2711         rsp_size = LPFC_BPL_SIZE;
2712         size = 0;
2713
2714         /* Next fill in the specific FDMI cmd information */
2715         switch (cmdcode) {
2716         case SLI_MGMT_RHAT:
2717         case SLI_MGMT_RHBA:
2718                 rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
2719                 /* HBA Identifier */
2720                 memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
2721                        sizeof(struct lpfc_name));
2722
2723                 if (cmdcode == SLI_MGMT_RHBA) {
2724                         /* Registered Port List */
2725                         /* One entry (port) per adapter */
2726                         rh->rpl.EntryCnt = cpu_to_be32(1);
2727                         memcpy(&rh->rpl.pe, &phba->pport->fc_sparam.portName,
2728                                sizeof(struct lpfc_name));
2729
2730                         /* point to the HBA attribute block */
2731                         size = 2 * sizeof(struct lpfc_name) +
2732                                 FOURBYTES;
2733                 } else {
2734                         size = sizeof(struct lpfc_name);
2735                 }
2736                 ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
2737                 ab->EntryCnt = 0;
2738                 size += FOURBYTES;
2739                 bit_pos = 0;
2740                 if (new_mask)
2741                         mask = new_mask;
2742                 else
2743                         mask = vport->fdmi_hba_mask;
2744
2745                 /* Mask will dictate what attributes to build in the request */
2746                 while (mask) {
2747                         if (mask & 0x1) {
2748                                 func = lpfc_fdmi_hba_action[bit_pos];
2749                                 size += func(vport,
2750                                              (struct lpfc_fdmi_attr_def *)
2751                                              ((uint8_t *)rh + size));
2752                                 ab->EntryCnt++;
2753                                 if ((size + 256) >
2754                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2755                                         goto hba_out;
2756                         }
2757                         mask = mask >> 1;
2758                         bit_pos++;
2759                 }
2760 hba_out:
2761                 ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
2762                 /* Total size */
2763                 size = GID_REQUEST_SZ - 4 + size;
2764                 break;
2765
2766         case SLI_MGMT_RPRT:
2767         case SLI_MGMT_RPA:
2768                 pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
2769                 if (cmdcode == SLI_MGMT_RPRT) {
2770                         rh = (struct lpfc_fdmi_reg_hba *)pab;
2771                         /* HBA Identifier */
2772                         memcpy(&rh->hi.PortName,
2773                                &phba->pport->fc_sparam.portName,
2774                                sizeof(struct lpfc_name));
2775                         pab = (struct lpfc_fdmi_reg_portattr *)
2776                                 ((uint8_t *)pab +  sizeof(struct lpfc_name));
2777                 }
2778
2779                 memcpy((uint8_t *)&pab->PortName,
2780                        (uint8_t *)&vport->fc_sparam.portName,
2781                        sizeof(struct lpfc_name));
2782                 size += sizeof(struct lpfc_name) + FOURBYTES;
2783                 pab->ab.EntryCnt = 0;
2784                 bit_pos = 0;
2785                 if (new_mask)
2786                         mask = new_mask;
2787                 else
2788                         mask = vport->fdmi_port_mask;
2789
2790                 /* Mask will dictate what attributes to build in the request */
2791                 while (mask) {
2792                         if (mask & 0x1) {
2793                                 func = lpfc_fdmi_port_action[bit_pos];
2794                                 size += func(vport,
2795                                              (struct lpfc_fdmi_attr_def *)
2796                                              ((uint8_t *)pab + size));
2797                                 pab->ab.EntryCnt++;
2798                                 if ((size + 256) >
2799                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2800                                         goto port_out;
2801                         }
2802                         mask = mask >> 1;
2803                         bit_pos++;
2804                 }
2805 port_out:
2806                 pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
2807                 /* Total size */
2808                 if (cmdcode == SLI_MGMT_RPRT)
2809                         size += sizeof(struct lpfc_name);
2810                 size = GID_REQUEST_SZ - 4 + size;
2811                 break;
2812
2813         case SLI_MGMT_GHAT:
2814         case SLI_MGMT_GRPL:
2815                 rsp_size = FC_MAX_NS_RSP;
2816         case SLI_MGMT_DHBA:
2817         case SLI_MGMT_DHAT:
2818                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2819                 memcpy((uint8_t *)&pe->PortName,
2820                        (uint8_t *)&vport->fc_sparam.portName,
2821                        sizeof(struct lpfc_name));
2822                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2823                 break;
2824
2825         case SLI_MGMT_GPAT:
2826         case SLI_MGMT_GPAS:
2827                 rsp_size = FC_MAX_NS_RSP;
2828         case SLI_MGMT_DPRT:
2829         case SLI_MGMT_DPA:
2830                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2831                 memcpy((uint8_t *)&pe->PortName,
2832                        (uint8_t *)&vport->fc_sparam.portName,
2833                        sizeof(struct lpfc_name));
2834                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2835                 break;
2836         case SLI_MGMT_GRHL:
2837                 size = GID_REQUEST_SZ - 4;
2838                 break;
2839         default:
2840                 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
2841                                  "0298 FDMI cmdcode x%x not supported\n",
2842                                  cmdcode);
2843                 goto fdmi_cmd_free_bmpvirt;
2844         }
2845         CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
2846
2847         bpl = (struct ulp_bde64 *)bmp->virt;
2848         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
2849         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
2850         bpl->tus.f.bdeFlags = 0;
2851         bpl->tus.f.bdeSize = size;
2852
2853         /*
2854          * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2855          * to hold ndlp reference for the corresponding callback function.
2856          */
2857         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
2858                 return 0;
2859
2860         /*
2861          * Decrement ndlp reference count to release ndlp reference held
2862          * for the failed command's callback function.
2863          */
2864         lpfc_nlp_put(ndlp);
2865
2866 fdmi_cmd_free_bmpvirt:
2867         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2868 fdmi_cmd_free_bmp:
2869         kfree(bmp);
2870 fdmi_cmd_free_mpvirt:
2871         lpfc_mbuf_free(phba, mp->virt, mp->phys);
2872 fdmi_cmd_free_mp:
2873         kfree(mp);
2874 fdmi_cmd_exit:
2875         /* Issue FDMI request failed */
2876         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2877                          "0244 Issue FDMI request failed Data: x%x\n",
2878                          cmdcode);
2879         return 1;
2880 }
2881
2882 /**
2883  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
2884  * @ptr - Context object of the timer.
2885  *
2886  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
2887  * the worker thread.
2888  **/
2889 void
2890 lpfc_delayed_disc_tmo(unsigned long ptr)
2891 {
2892         struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
2893         struct lpfc_hba   *phba = vport->phba;
2894         uint32_t tmo_posted;
2895         unsigned long iflag;
2896
2897         spin_lock_irqsave(&vport->work_port_lock, iflag);
2898         tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
2899         if (!tmo_posted)
2900                 vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
2901         spin_unlock_irqrestore(&vport->work_port_lock, iflag);
2902
2903         if (!tmo_posted)
2904                 lpfc_worker_wake_up(phba);
2905         return;
2906 }
2907
2908 /**
2909  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
2910  *      handle delayed discovery.
2911  * @vport: pointer to a host virtual N_Port data structure.
2912  *
2913  * This function start nport discovery of the vport.
2914  **/
2915 void
2916 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
2917 {
2918         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2919
2920         spin_lock_irq(shost->host_lock);
2921         if (!(vport->fc_flag & FC_DISC_DELAYED)) {
2922                 spin_unlock_irq(shost->host_lock);
2923                 return;
2924         }
2925         vport->fc_flag &= ~FC_DISC_DELAYED;
2926         spin_unlock_irq(shost->host_lock);
2927
2928         lpfc_do_scr_ns_plogi(vport->phba, vport);
2929 }
2930
2931 void
2932 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
2933 {
2934         struct lpfc_sli *psli = &phba->sli;
2935         lpfc_vpd_t *vp = &phba->vpd;
2936         uint32_t b1, b2, b3, b4, i, rev;
2937         char c;
2938         uint32_t *ptr, str[4];
2939         uint8_t *fwname;
2940
2941         if (phba->sli_rev == LPFC_SLI_REV4)
2942                 snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
2943         else if (vp->rev.rBit) {
2944                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
2945                         rev = vp->rev.sli2FwRev;
2946                 else
2947                         rev = vp->rev.sli1FwRev;
2948
2949                 b1 = (rev & 0x0000f000) >> 12;
2950                 b2 = (rev & 0x00000f00) >> 8;
2951                 b3 = (rev & 0x000000c0) >> 6;
2952                 b4 = (rev & 0x00000030) >> 4;
2953
2954                 switch (b4) {
2955                 case 0:
2956                         c = 'N';
2957                         break;
2958                 case 1:
2959                         c = 'A';
2960                         break;
2961                 case 2:
2962                         c = 'B';
2963                         break;
2964                 case 3:
2965                         c = 'X';
2966                         break;
2967                 default:
2968                         c = 0;
2969                         break;
2970                 }
2971                 b4 = (rev & 0x0000000f);
2972
2973                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
2974                         fwname = vp->rev.sli2FwName;
2975                 else
2976                         fwname = vp->rev.sli1FwName;
2977
2978                 for (i = 0; i < 16; i++)
2979                         if (fwname[i] == 0x20)
2980                                 fwname[i] = 0;
2981
2982                 ptr = (uint32_t*)fwname;
2983
2984                 for (i = 0; i < 3; i++)
2985                         str[i] = be32_to_cpu(*ptr++);
2986
2987                 if (c == 0) {
2988                         if (flag)
2989                                 sprintf(fwrevision, "%d.%d%d (%s)",
2990                                         b1, b2, b3, (char *)str);
2991                         else
2992                                 sprintf(fwrevision, "%d.%d%d", b1,
2993                                         b2, b3);
2994                 } else {
2995                         if (flag)
2996                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
2997                                         b1, b2, b3, c,
2998                                         b4, (char *)str);
2999                         else
3000                                 sprintf(fwrevision, "%d.%d%d%c%d",
3001                                         b1, b2, b3, c, b4);
3002                 }
3003         } else {
3004                 rev = vp->rev.smFwRev;
3005
3006                 b1 = (rev & 0xff000000) >> 24;
3007                 b2 = (rev & 0x00f00000) >> 20;
3008                 b3 = (rev & 0x000f0000) >> 16;
3009                 c  = (rev & 0x0000ff00) >> 8;
3010                 b4 = (rev & 0x000000ff);
3011
3012                 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3013         }
3014         return;
3015 }