drivers/scsi/lpfc/lpfc_ct.c

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term *
   5  * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.     *
   6  * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
   7  * EMULEX and SLI are trademarks of Emulex.                        *
   8  * www.broadcom.com                                                *
   9  *                                                                 *
  10  * This program is free software; you can redistribute it and/or   *
  11  * modify it under the terms of version 2 of the GNU General       *
  12  * Public License as published by the Free Software Foundation.    *
  13  * This program is distributed in the hope that it will be useful. *
  14  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  15  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  16  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  17  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  18  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  19  * more details, a copy of which can be found in the file COPYING  *
  20  * included with this package.                                     *
  21  *******************************************************************/
  22
  23 /*
  24  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
  25  */
  26
  27 #include <linux/blkdev.h>
  28 #include <linux/pci.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/slab.h>
  31 #include <linux/utsname.h>
  32
  33 #include <scsi/scsi.h>
  34 #include <scsi/scsi_device.h>
  35 #include <scsi/scsi_host.h>
  36 #include <scsi/scsi_transport_fc.h>
  37 #include <scsi/fc/fc_fs.h>
  38
  39 #include "lpfc_hw4.h"
  40 #include "lpfc_hw.h"
  41 #include "lpfc_sli.h"
  42 #include "lpfc_sli4.h"
  43 #include "lpfc_nl.h"
  44 #include "lpfc_disc.h"
  45 #include "lpfc.h"
  46 #include "lpfc_scsi.h"
  47 #include "lpfc_logmsg.h"
  48 #include "lpfc_crtn.h"
  49 #include "lpfc_version.h"
  50 #include "lpfc_vport.h"
  51 #include "lpfc_debugfs.h"
  52
  53 /* FDMI Port Speed definitions - FC-GS-7 */
  54 #define HBA_PORTSPEED_1GFC              0x00000001      /* 1G FC */
  55 #define HBA_PORTSPEED_2GFC              0x00000002      /* 2G FC */
  56 #define HBA_PORTSPEED_4GFC              0x00000008      /* 4G FC */
  57 #define HBA_PORTSPEED_10GFC             0x00000004      /* 10G FC */
  58 #define HBA_PORTSPEED_8GFC              0x00000010      /* 8G FC */
  59 #define HBA_PORTSPEED_16GFC             0x00000020      /* 16G FC */
  60 #define HBA_PORTSPEED_32GFC             0x00000040      /* 32G FC */
  61 #define HBA_PORTSPEED_20GFC             0x00000080      /* 20G FC */
  62 #define HBA_PORTSPEED_40GFC             0x00000100      /* 40G FC */
  63 #define HBA_PORTSPEED_128GFC            0x00000200      /* 128G FC */
  64 #define HBA_PORTSPEED_64GFC             0x00000400      /* 64G FC */
  65 #define HBA_PORTSPEED_256GFC            0x00000800      /* 256G FC */
  66 #define HBA_PORTSPEED_UNKNOWN           0x00008000      /* Unknown */
  67 #define HBA_PORTSPEED_10GE              0x00010000      /* 10G E */
  68 #define HBA_PORTSPEED_40GE              0x00020000      /* 40G E */
  69 #define HBA_PORTSPEED_100GE             0x00040000      /* 100G E */
  70 #define HBA_PORTSPEED_25GE              0x00080000      /* 25G E */
  71 #define HBA_PORTSPEED_50GE              0x00100000      /* 50G E */
  72 #define HBA_PORTSPEED_400GE             0x00200000      /* 400G E */
  73
  74 #define FOURBYTES       4
  75
  76
  77 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
  78 static void
  79 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
  80                       struct lpfc_iocbq *rspiocb);
  81
  82 static void
  83 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  84                           struct lpfc_dmabuf *mp, uint32_t size)
  85 {
  86         if (!mp) {
  87                 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  88                                 "0146 Ignoring unsolicited CT No HBQ "
  89                                 "status = x%x\n",
  90                                 get_job_ulpstatus(phba, piocbq));
  91         }
  92         lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  93                         "0145 Ignoring unsolicited CT HBQ Size:%d "
  94                         "status = x%x\n",
  95                         size, get_job_ulpstatus(phba, piocbq));
  96 }
  97
  98 static void
  99 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
 100                      struct lpfc_dmabuf *mp, uint32_t size)
 101 {
 102         lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
 103 }
 104
 105 /**
 106  * lpfc_ct_unsol_cmpl : Completion callback function for unsol ct commands
 107  * @phba : pointer to lpfc hba data structure.
 108  * @cmdiocb : pointer to lpfc command iocb data structure.
 109  * @rspiocb : pointer to lpfc response iocb data structure.
 110  *
 111  * This routine is the callback function for issuing unsol ct reject command.
 112  * The memory allocated in the reject command path is freed up here.
 113  **/
 114 static void
 115 lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 116                    struct lpfc_iocbq *rspiocb)
 117 {
 118         struct lpfc_nodelist *ndlp;
 119         struct lpfc_dmabuf *mp, *bmp;
 120
 121         ndlp = cmdiocb->ndlp;
 122         if (ndlp)
 123                 lpfc_nlp_put(ndlp);
 124
 125         mp = cmdiocb->rsp_dmabuf;
 126         bmp = cmdiocb->bpl_dmabuf;
 127         if (mp) {
 128                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 129                 kfree(mp);
 130                 cmdiocb->rsp_dmabuf = NULL;
 131         }
 132
 133         if (bmp) {
 134                 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
 135                 kfree(bmp);
 136                 cmdiocb->bpl_dmabuf = NULL;
 137         }
 138
 139         lpfc_sli_release_iocbq(phba, cmdiocb);
 140 }
 141
 142 /**
 143  * lpfc_ct_reject_event - Issue reject for unhandled CT MIB commands
 144  * @ndlp: pointer to a node-list data structure.
 145  * @ct_req: pointer to the CT request data structure.
 146  * @ulp_context: context of received UNSOL CT command
 147  * @ox_id: ox_id of the UNSOL CT command
 148  *
 149  * This routine is invoked by the lpfc_ct_handle_mibreq routine for sending
 150  * a reject response. Reject response is sent for the unhandled commands.
 151  **/
 152 static void
 153 lpfc_ct_reject_event(struct lpfc_nodelist *ndlp,
 154                      struct lpfc_sli_ct_request *ct_req,
 155                      u16 ulp_context, u16 ox_id)
 156 {
 157         struct lpfc_vport *vport = ndlp->vport;
 158         struct lpfc_hba *phba = vport->phba;
 159         struct lpfc_sli_ct_request *ct_rsp;
 160         struct lpfc_iocbq *cmdiocbq = NULL;
 161         struct lpfc_dmabuf *bmp = NULL;
 162         struct lpfc_dmabuf *mp = NULL;
 163         struct ulp_bde64 *bpl;
 164         u8 rc = 0;
 165         u32 tmo;
 166
 167         /* fill in BDEs for command */
 168         mp = kmalloc(sizeof(*mp), GFP_KERNEL);
 169         if (!mp) {
 170                 rc = 1;
 171                 goto ct_exit;
 172         }
 173
 174         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp->phys);
 175         if (!mp->virt) {
 176                 rc = 2;
 177                 goto ct_free_mp;
 178         }
 179
 180         /* Allocate buffer for Buffer ptr list */
 181         bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
 182         if (!bmp) {
 183                 rc = 3;
 184                 goto ct_free_mpvirt;
 185         }
 186
 187         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &bmp->phys);
 188         if (!bmp->virt) {
 189                 rc = 4;
 190                 goto ct_free_bmp;
 191         }
 192
 193         INIT_LIST_HEAD(&mp->list);
 194         INIT_LIST_HEAD(&bmp->list);
 195
 196         bpl = (struct ulp_bde64 *)bmp->virt;
 197         memset(bpl, 0, sizeof(struct ulp_bde64));
 198         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
 199         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
 200         bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
 201         bpl->tus.f.bdeSize = (LPFC_CT_PREAMBLE - 4);
 202         bpl->tus.w = le32_to_cpu(bpl->tus.w);
 203
 204         ct_rsp = (struct lpfc_sli_ct_request *)mp->virt;
 205         memset(ct_rsp, 0, sizeof(struct lpfc_sli_ct_request));
 206
 207         ct_rsp->RevisionId.bits.Revision = SLI_CT_REVISION;
 208         ct_rsp->RevisionId.bits.InId = 0;
 209         ct_rsp->FsType = ct_req->FsType;
 210         ct_rsp->FsSubType = ct_req->FsSubType;
 211         ct_rsp->CommandResponse.bits.Size = 0;
 212         ct_rsp->CommandResponse.bits.CmdRsp =
 213                 cpu_to_be16(SLI_CT_RESPONSE_FS_RJT);
 214         ct_rsp->ReasonCode = SLI_CT_REQ_NOT_SUPPORTED;
 215         ct_rsp->Explanation = SLI_CT_NO_ADDITIONAL_EXPL;
 216
 217         cmdiocbq = lpfc_sli_get_iocbq(phba);
 218         if (!cmdiocbq) {
 219                 rc = 5;
 220                 goto ct_free_bmpvirt;
 221         }
 222
 223         if (phba->sli_rev == LPFC_SLI_REV4) {
 224                 lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp,
 225                                          phba->sli4_hba.rpi_ids[ndlp->nlp_rpi],
 226                                          ox_id, 1, FC_RCTL_DD_SOL_CTL, 1,
 227                                          CMD_XMIT_SEQUENCE64_WQE);
 228         } else {
 229                 lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, 0, ulp_context, 1,
 230                                          FC_RCTL_DD_SOL_CTL, 1,
 231                                          CMD_XMIT_SEQUENCE64_CX);
 232         }
 233
 234         /* Save for completion so we can release these resources */
 235         cmdiocbq->rsp_dmabuf = mp;
 236         cmdiocbq->bpl_dmabuf = bmp;
 237         cmdiocbq->cmd_cmpl = lpfc_ct_unsol_cmpl;
 238         tmo = (3 * phba->fc_ratov);
 239
 240         cmdiocbq->retry = 0;
 241         cmdiocbq->vport = vport;
 242         cmdiocbq->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
 243
 244         cmdiocbq->ndlp = lpfc_nlp_get(ndlp);
 245         if (!cmdiocbq->ndlp)
 246                 goto ct_no_ndlp;
 247
 248         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
 249         if (rc) {
 250                 lpfc_nlp_put(ndlp);
 251                 goto ct_no_ndlp;
 252         }
 253         return;
 254
 255 ct_no_ndlp:
 256         rc = 6;
 257         lpfc_sli_release_iocbq(phba, cmdiocbq);
 258 ct_free_bmpvirt:
 259         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
 260 ct_free_bmp:
 261         kfree(bmp);
 262 ct_free_mpvirt:
 263         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 264 ct_free_mp:
 265         kfree(mp);
 266 ct_exit:
 267         lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 268                          "6440 Unsol CT: Rsp err %d Data: x%x\n",
 269                          rc, vport->fc_flag);
 270 }
 271
 272 /**
 273  * lpfc_ct_handle_mibreq - Process an unsolicited CT MIB request data buffer
 274  * @phba: pointer to lpfc hba data structure.
 275  * @ctiocbq: pointer to lpfc CT command iocb data structure.
 276  *
 277  * This routine is used for processing the IOCB associated with a unsolicited
 278  * CT MIB request. It first determines whether there is an existing ndlp that
 279  * matches the DID from the unsolicited IOCB. If not, it will return.
 280  **/
 281 static void
 282 lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq)
 283 {
 284         struct lpfc_sli_ct_request *ct_req;
 285         struct lpfc_nodelist *ndlp = NULL;
 286         struct lpfc_vport *vport = ctiocbq->vport;
 287         u32 ulp_status = get_job_ulpstatus(phba, ctiocbq);
 288         u32 ulp_word4 = get_job_word4(phba, ctiocbq);
 289         u32 did;
 290         u32 mi_cmd;
 291
 292         did = bf_get(els_rsp64_sid, &ctiocbq->wqe.xmit_els_rsp);
 293         if (ulp_status) {
 294                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 295                                  "6438 Unsol CT: status:x%x/x%x did : x%x\n",
 296                                  ulp_status, ulp_word4, did);
 297                 return;
 298         }
 299
 300         /* Ignore traffic received during vport shutdown */
 301         if (vport->fc_flag & FC_UNLOADING)
 302                 return;
 303
 304         ndlp = lpfc_findnode_did(vport, did);
 305         if (!ndlp) {
 306                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 307                                  "6439 Unsol CT: NDLP Not Found for DID : x%x",
 308                                  did);
 309                 return;
 310         }
 311
 312         ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
 313
 314         mi_cmd = ct_req->CommandResponse.bits.CmdRsp;
 315         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 316                          "6442 : MI Cmd : x%x Not Supported\n", mi_cmd);
 317         lpfc_ct_reject_event(ndlp, ct_req,
 318                              bf_get(wqe_ctxt_tag,
 319                                     &ctiocbq->wqe.xmit_els_rsp.wqe_com),
 320                              bf_get(wqe_rcvoxid,
 321                                     &ctiocbq->wqe.xmit_els_rsp.wqe_com));
 322 }
 323
 324 /**
 325  * lpfc_ct_unsol_event - Process an unsolicited event from a ct sli ring
 326  * @phba: pointer to lpfc hba data structure.
 327  * @pring: pointer to a SLI ring.
 328  * @ctiocbq: pointer to lpfc ct iocb data structure.
 329  *
 330  * This routine is used to process an unsolicited event received from a SLI
 331  * (Service Level Interface) ring. The actual processing of the data buffer
 332  * associated with the unsolicited event is done by invoking appropriate routine
 333  * after properly set up the iocb buffer from the SLI ring on which the
 334  * unsolicited event was received.
 335  **/
 336 void
 337 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 338                     struct lpfc_iocbq *ctiocbq)
 339 {
 340         struct lpfc_dmabuf *mp = NULL;
 341         IOCB_t *icmd = &ctiocbq->iocb;
 342         int i;
 343         struct lpfc_iocbq *iocbq;
 344         struct lpfc_iocbq *iocb;
 345         dma_addr_t dma_addr;
 346         uint32_t size;
 347         struct list_head head;
 348         struct lpfc_sli_ct_request *ct_req;
 349         struct lpfc_dmabuf *bdeBuf1 = ctiocbq->cmd_dmabuf;
 350         struct lpfc_dmabuf *bdeBuf2 = ctiocbq->bpl_dmabuf;
 351         u32 status, parameter, bde_count = 0;
 352         struct lpfc_wcqe_complete *wcqe_cmpl = NULL;
 353
 354         ctiocbq->cmd_dmabuf = NULL;
 355         ctiocbq->rsp_dmabuf = NULL;
 356         ctiocbq->bpl_dmabuf = NULL;
 357
 358         wcqe_cmpl = &ctiocbq->wcqe_cmpl;
 359         status = get_job_ulpstatus(phba, ctiocbq);
 360         parameter = get_job_word4(phba, ctiocbq);
 361         if (phba->sli_rev == LPFC_SLI_REV4)
 362                 bde_count = wcqe_cmpl->word3;
 363         else
 364                 bde_count = icmd->ulpBdeCount;
 365
 366         if (unlikely(status == IOSTAT_NEED_BUFFER)) {
 367                 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
 368         } else if ((status == IOSTAT_LOCAL_REJECT) &&
 369                    ((parameter & IOERR_PARAM_MASK) ==
 370                    IOERR_RCV_BUFFER_WAITING)) {
 371                 /* Not enough posted buffers; Try posting more buffers */
 372                 phba->fc_stat.NoRcvBuf++;
 373                 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 374                         lpfc_sli3_post_buffer(phba, pring, 2);
 375                 return;
 376         }
 377
 378         /* If there are no BDEs associated
 379          * with this IOCB, there is nothing to do.
 380          */
 381         if (bde_count == 0)
 382                 return;
 383
 384         ctiocbq->cmd_dmabuf = bdeBuf1;
 385         if (bde_count == 2)
 386                 ctiocbq->bpl_dmabuf = bdeBuf2;
 387
 388         ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
 389
 390         if (ct_req->FsType == SLI_CT_MANAGEMENT_SERVICE &&
 391             ct_req->FsSubType == SLI_CT_MIB_Subtypes) {
 392                 lpfc_ct_handle_mibreq(phba, ctiocbq);
 393         } else {
 394                 if (!lpfc_bsg_ct_unsol_event(phba, pring, ctiocbq))
 395                         return;
 396         }
 397
 398         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 399                 INIT_LIST_HEAD(&head);
 400                 list_add_tail(&head, &ctiocbq->list);
 401                 list_for_each_entry(iocb, &head, list) {
 402                         if (phba->sli_rev == LPFC_SLI_REV4)
 403                                 bde_count = iocb->wcqe_cmpl.word3;
 404                         else
 405                                 bde_count = iocb->iocb.ulpBdeCount;
 406
 407                         if (!bde_count)
 408                                 continue;
 409                         bdeBuf1 = iocb->cmd_dmabuf;
 410                         iocb->cmd_dmabuf = NULL;
 411                         if (phba->sli_rev == LPFC_SLI_REV4)
 412                                 size = iocb->wqe.gen_req.bde.tus.f.bdeSize;
 413                         else
 414                                 size  = iocb->iocb.un.cont64[0].tus.f.bdeSize;
 415                         lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size);
 416                         lpfc_in_buf_free(phba, bdeBuf1);
 417                         if (bde_count == 2) {
 418                                 bdeBuf2 = iocb->bpl_dmabuf;
 419                                 iocb->bpl_dmabuf = NULL;
 420                                 if (phba->sli_rev == LPFC_SLI_REV4)
 421                                         size = iocb->unsol_rcv_len;
 422                                 else
 423                                         size = iocb->iocb.unsli3.rcvsli3.bde2.tus.f.bdeSize;
 424                                 lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2,
 425                                                      size);
 426                                 lpfc_in_buf_free(phba, bdeBuf2);
 427                         }
 428                 }
 429                 list_del(&head);
 430         } else {
 431                 INIT_LIST_HEAD(&head);
 432                 list_add_tail(&head, &ctiocbq->list);
 433                 list_for_each_entry(iocbq, &head, list) {
 434                         icmd = &iocbq->iocb;
 435                         if (icmd->ulpBdeCount == 0)
 436                                 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 437                         for (i = 0; i < icmd->ulpBdeCount; i++) {
 438                                 dma_addr = getPaddr(icmd->un.cont64[i].addrHigh,
 439                                                     icmd->un.cont64[i].addrLow);
 440                                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
 441                                                               dma_addr);
 442                                 size = icmd->un.cont64[i].tus.f.bdeSize;
 443                                 lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 444                                 lpfc_in_buf_free(phba, mp);
 445                         }
 446                         lpfc_sli3_post_buffer(phba, pring, i);
 447                 }
 448                 list_del(&head);
 449         }
 450 }
 451
 452 /**
 453  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
 454  * @phba: Pointer to HBA context object.
 455  * @dmabuf: pointer to a dmabuf that describes the FC sequence
 456  *
 457  * This function serves as the upper level protocol abort handler for CT
 458  * protocol.
 459  *
 460  * Return 1 if abort has been handled, 0 otherwise.
 461  **/
 462 int
 463 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
 464 {
 465         int handled;
 466
 467         /* CT upper level goes through BSG */
 468         handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
 469
 470         return handled;
 471 }
 472
 473 static void
 474 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 475 {
 476         struct lpfc_dmabuf *mlast, *next_mlast;
 477
 478         list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 479                 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 480                 list_del(&mlast->list);
 481                 kfree(mlast);
 482         }
 483         lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 484         kfree(mlist);
 485         return;
 486 }
 487
 488 static struct lpfc_dmabuf *
 489 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 490                   uint32_t size, int *entries)
 491 {
 492         struct lpfc_dmabuf *mlist = NULL;
 493         struct lpfc_dmabuf *mp;
 494         int cnt, i = 0;
 495
 496         /* We get chunks of FCELSSIZE */
 497         cnt = size > FCELSSIZE ? FCELSSIZE: size;
 498
 499         while (size) {
 500                 /* Allocate buffer for rsp payload */
 501                 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 502                 if (!mp) {
 503                         if (mlist)
 504                                 lpfc_free_ct_rsp(phba, mlist);
 505                         return NULL;
 506                 }
 507
 508                 INIT_LIST_HEAD(&mp->list);
 509
 510                 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 511                     cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 512                         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 513                 else
 514                         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 515
 516                 if (!mp->virt) {
 517                         kfree(mp);
 518                         if (mlist)
 519                                 lpfc_free_ct_rsp(phba, mlist);
 520                         return NULL;
 521                 }
 522
 523                 /* Queue it to a linked list */
 524                 if (!mlist)
 525                         mlist = mp;
 526                 else
 527                         list_add_tail(&mp->list, &mlist->list);
 528
 529                 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 530                 /* build buffer ptr list for IOCB */
 531                 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 532                 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 533                 bpl->tus.f.bdeSize = (uint16_t) cnt;
 534                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
 535                 bpl++;
 536
 537                 i++;
 538                 size -= cnt;
 539         }
 540
 541         *entries = i;
 542         return mlist;
 543 }
 544
 545 int
 546 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 547 {
 548         struct lpfc_dmabuf *buf_ptr;
 549
 550         /* IOCBQ job structure gets cleaned during release.  Just release
 551          * the dma buffers here.
 552          */
 553         if (ctiocb->cmd_dmabuf) {
 554                 buf_ptr = ctiocb->cmd_dmabuf;
 555                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 556                 kfree(buf_ptr);
 557                 ctiocb->cmd_dmabuf = NULL;
 558         }
 559         if (ctiocb->rsp_dmabuf) {
 560                 lpfc_free_ct_rsp(phba, ctiocb->rsp_dmabuf);
 561                 ctiocb->rsp_dmabuf = NULL;
 562         }
 563
 564         if (ctiocb->bpl_dmabuf) {
 565                 buf_ptr = ctiocb->bpl_dmabuf;
 566                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 567                 kfree(buf_ptr);
 568                 ctiocb->bpl_dmabuf = NULL;
 569         }
 570         lpfc_sli_release_iocbq(phba, ctiocb);
 571         return 0;
 572 }
 573
 574 /*
 575  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
 576  * @vport: pointer to a host virtual N_Port data structure.
 577  * @bmp: Pointer to BPL for SLI command
 578  * @inp: Pointer to data buffer for response data.
 579  * @outp: Pointer to data buffer that hold the CT command.
 580  * @cmpl: completion routine to call when command completes
 581  * @ndlp: Destination NPort nodelist entry
 582  *
 583  * This function as the final part for issuing a CT command.
 584  */
 585 static int
 586 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 587              struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 588              void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
 589                           struct lpfc_iocbq *),
 590              struct lpfc_nodelist *ndlp, uint32_t event_tag, uint32_t num_entry,
 591              uint32_t tmo, uint8_t retry)
 592 {
 593         struct lpfc_hba  *phba = vport->phba;
 594         struct lpfc_iocbq *geniocb;
 595         int rc;
 596         u16 ulp_context;
 597
 598         /* Allocate buffer for  command iocb */
 599         geniocb = lpfc_sli_get_iocbq(phba);
 600
 601         if (geniocb == NULL)
 602                 return 1;
 603
 604         /* Update the num_entry bde count */
 605         geniocb->num_bdes = num_entry;
 606
 607         geniocb->bpl_dmabuf = bmp;
 608
 609         /* Save for completion so we can release these resources */
 610         geniocb->cmd_dmabuf = inp;
 611         geniocb->rsp_dmabuf = outp;
 612
 613         geniocb->event_tag = event_tag;
 614
 615         if (!tmo) {
 616                  /* FC spec states we need 3 * ratov for CT requests */
 617                 tmo = (3 * phba->fc_ratov);
 618         }
 619
 620         if (phba->sli_rev == LPFC_SLI_REV4)
 621                 ulp_context = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 622         else
 623                 ulp_context = ndlp->nlp_rpi;
 624
 625         lpfc_sli_prep_gen_req(phba, geniocb, bmp, ulp_context, num_entry, tmo);
 626
 627         /* Issue GEN REQ IOCB for NPORT <did> */
 628         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 629                          "0119 Issue GEN REQ IOCB to NPORT x%x "
 630                          "Data: x%x x%x\n",
 631                          ndlp->nlp_DID, geniocb->iotag,
 632                          vport->port_state);
 633         geniocb->cmd_cmpl = cmpl;
 634         geniocb->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
 635         geniocb->vport = vport;
 636         geniocb->retry = retry;
 637         geniocb->ndlp = lpfc_nlp_get(ndlp);
 638         if (!geniocb->ndlp)
 639                 goto out;
 640
 641         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
 642         if (rc == IOCB_ERROR) {
 643                 lpfc_nlp_put(ndlp);
 644                 goto out;
 645         }
 646
 647         return 0;
 648 out:
 649         lpfc_sli_release_iocbq(phba, geniocb);
 650         return 1;
 651 }
 652
 653 /*
 654  * lpfc_ct_cmd - Build and issue a CT command
 655  * @vport: pointer to a host virtual N_Port data structure.
 656  * @inmp: Pointer to data buffer for response data.
 657  * @bmp: Pointer to BPL for SLI command
 658  * @ndlp: Destination NPort nodelist entry
 659  * @cmpl: completion routine to call when command completes
 660  *
 661  * This function is called for issuing a CT command.
 662  */
 663 static int
 664 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 665             struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 666             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 667                           struct lpfc_iocbq *),
 668             uint32_t rsp_size, uint8_t retry)
 669 {
 670         struct lpfc_hba  *phba = vport->phba;
 671         struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 672         struct lpfc_dmabuf *outmp;
 673         int cnt = 0, status;
 674         int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 675                 CommandResponse.bits.CmdRsp;
 676
 677         bpl++;                  /* Skip past ct request */
 678
 679         /* Put buffer(s) for ct rsp in bpl */
 680         outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 681         if (!outmp)
 682                 return -ENOMEM;
 683         /*
 684          * Form the CT IOCB.  The total number of BDEs in this IOCB
 685          * is the single command plus response count from
 686          * lpfc_alloc_ct_rsp.
 687          */
 688         cnt += 1;
 689         status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp,
 690                         phba->fc_eventTag, cnt, 0, retry);
 691         if (status) {
 692                 lpfc_free_ct_rsp(phba, outmp);
 693                 return -ENOMEM;
 694         }
 695         return 0;
 696 }
 697
 698 struct lpfc_vport *
 699 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 700         struct lpfc_vport *vport_curr;
 701         unsigned long flags;
 702
 703         spin_lock_irqsave(&phba->port_list_lock, flags);
 704         list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 705                 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 706                         spin_unlock_irqrestore(&phba->port_list_lock, flags);
 707                         return vport_curr;
 708                 }
 709         }
 710         spin_unlock_irqrestore(&phba->port_list_lock, flags);
 711         return NULL;
 712 }
 713
 714 static void
 715 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 716 {
 717         struct lpfc_nodelist *ndlp;
 718
 719         if ((vport->port_type != LPFC_NPIV_PORT) ||
 720             !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
 721
 722                 ndlp = lpfc_setup_disc_node(vport, Did);
 723
 724                 if (ndlp) {
 725                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 726                                 "Parse GID_FTrsp: did:x%x flg:x%x x%x",
 727                                 Did, ndlp->nlp_flag, vport->fc_flag);
 728
 729                         /* By default, the driver expects to support FCP FC4 */
 730                         if (fc4_type == FC_TYPE_FCP)
 731                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 732
 733                         if (fc4_type == FC_TYPE_NVME)
 734                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 735
 736                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 737                                          "0238 Process x%06x NameServer Rsp "
 738                                          "Data: x%x x%x x%x x%x x%x\n", Did,
 739                                          ndlp->nlp_flag, ndlp->nlp_fc4_type,
 740                                          ndlp->nlp_state, vport->fc_flag,
 741                                          vport->fc_rscn_id_cnt);
 742
 743                         /* if ndlp needs to be discovered and prior
 744                          * state of ndlp hit devloss, change state to
 745                          * allow rediscovery.
 746                          */
 747                         if (ndlp->nlp_flag & NLP_NPR_2B_DISC &&
 748                             ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
 749                                 lpfc_nlp_set_state(vport, ndlp,
 750                                                    NLP_STE_NPR_NODE);
 751                         }
 752                 } else {
 753                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 754                                 "Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 755                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 756
 757                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 758                                          "0239 Skip x%06x NameServer Rsp "
 759                                          "Data: x%x x%x x%px\n",
 760                                          Did, vport->fc_flag,
 761                                          vport->fc_rscn_id_cnt, ndlp);
 762                 }
 763         } else {
 764                 if (!(vport->fc_flag & FC_RSCN_MODE) ||
 765                     lpfc_rscn_payload_check(vport, Did)) {
 766                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 767                                 "Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
 768                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 769
 770                         /*
 771                          * This NPortID was previously a FCP/NVMe target,
 772                          * Don't even bother to send GFF_ID.
 773                          */
 774                         ndlp = lpfc_findnode_did(vport, Did);
 775                         if (ndlp &&
 776                             (ndlp->nlp_type &
 777                             (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
 778                                 if (fc4_type == FC_TYPE_FCP)
 779                                         ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 780                                 if (fc4_type == FC_TYPE_NVME)
 781                                         ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 782                                 lpfc_setup_disc_node(vport, Did);
 783                         } else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 784                                    0, Did) == 0)
 785                                 vport->num_disc_nodes++;
 786                         else
 787                                 lpfc_setup_disc_node(vport, Did);
 788                 } else {
 789                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 790                                 "Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 791                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 792
 793                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 794                                          "0245 Skip x%06x NameServer Rsp "
 795                                          "Data: x%x x%x\n", Did,
 796                                          vport->fc_flag,
 797                                          vport->fc_rscn_id_cnt);
 798                 }
 799         }
 800 }
 801
 802 static void
 803 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 804 {
 805         struct lpfc_hba *phba = vport->phba;
 806         struct lpfc_nodelist *ndlp = NULL;
 807         char *str;
 808
 809         if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
 810                 str = "GID_FT";
 811         else
 812                 str = "GID_PT";
 813         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 814                          "6430 Process %s rsp for %08x type %x %s %s\n",
 815                          str, Did, fc4_type,
 816                          (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
 817                          (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
 818         /*
 819          * To conserve rpi's, filter out addresses for other
 820          * vports on the same physical HBAs.
 821          */
 822         if (Did != vport->fc_myDID &&
 823             (!lpfc_find_vport_by_did(phba, Did) ||
 824              vport->cfg_peer_port_login)) {
 825                 if (!phba->nvmet_support) {
 826                         /* FCPI/NVMEI path. Process Did */
 827                         lpfc_prep_node_fc4type(vport, Did, fc4_type);
 828                         return;
 829                 }
 830                 /* NVMET path.  NVMET only cares about NVMEI nodes. */
 831                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 832                         if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
 833                             ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
 834                                 continue;
 835                         spin_lock_irq(&ndlp->lock);
 836                         if (ndlp->nlp_DID == Did)
 837                                 ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 838                         else
 839                                 ndlp->nlp_flag |= NLP_NVMET_RECOV;
 840                         spin_unlock_irq(&ndlp->lock);
 841                 }
 842         }
 843 }
 844
 845 static int
 846 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
 847             uint32_t Size)
 848 {
 849         struct lpfc_sli_ct_request *Response =
 850                 (struct lpfc_sli_ct_request *) mp->virt;
 851         struct lpfc_dmabuf *mlast, *next_mp;
 852         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 853         uint32_t Did, CTentry;
 854         int Cnt;
 855         struct list_head head;
 856         struct lpfc_nodelist *ndlp = NULL;
 857
 858         lpfc_set_disctmo(vport);
 859         vport->num_disc_nodes = 0;
 860         vport->fc_ns_retry = 0;
 861
 862
 863         list_add_tail(&head, &mp->list);
 864         list_for_each_entry_safe(mp, next_mp, &head, list) {
 865                 mlast = mp;
 866
 867                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 868
 869                 Size -= Cnt;
 870
 871                 if (!ctptr) {
 872                         ctptr = (uint32_t *) mlast->virt;
 873                 } else
 874                         Cnt -= 16;      /* subtract length of CT header */
 875
 876                 /* Loop through entire NameServer list of DIDs */
 877                 while (Cnt >= sizeof(uint32_t)) {
 878                         /* Get next DID from NameServer List */
 879                         CTentry = *ctptr++;
 880                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 881                         lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
 882                         if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
 883                                 goto nsout1;
 884
 885                         Cnt -= sizeof(uint32_t);
 886                 }
 887                 ctptr = NULL;
 888
 889         }
 890
 891         /* All GID_FT entries processed.  If the driver is running in
 892          * in target mode, put impacted nodes into recovery and drop
 893          * the RPI to flush outstanding IO.
 894          */
 895         if (vport->phba->nvmet_support) {
 896                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 897                         if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
 898                                 continue;
 899                         lpfc_disc_state_machine(vport, ndlp, NULL,
 900                                                 NLP_EVT_DEVICE_RECOVERY);
 901                         spin_lock_irq(&ndlp->lock);
 902                         ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 903                         spin_unlock_irq(&ndlp->lock);
 904                 }
 905         }
 906
 907 nsout1:
 908         list_del(&head);
 909         return 0;
 910 }
 911
 912 static void
 913 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 914                         struct lpfc_iocbq *rspiocb)
 915 {
 916         struct lpfc_vport *vport = cmdiocb->vport;
 917         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 918         struct lpfc_dmabuf *outp;
 919         struct lpfc_dmabuf *inp;
 920         struct lpfc_sli_ct_request *CTrsp;
 921         struct lpfc_sli_ct_request *CTreq;
 922         struct lpfc_nodelist *ndlp;
 923         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
 924         u32 ulp_word4 = get_job_word4(phba, rspiocb);
 925         int rc, type;
 926
 927         /* First save ndlp, before we overwrite it */
 928         ndlp = cmdiocb->ndlp;
 929
 930         /* we pass cmdiocb to state machine which needs rspiocb as well */
 931         cmdiocb->rsp_iocb = rspiocb;
 932         inp = cmdiocb->cmd_dmabuf;
 933         outp = cmdiocb->rsp_dmabuf;
 934
 935         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 936                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 937                 ulp_status, ulp_word4, vport->fc_ns_retry);
 938
 939         /* Ignore response if link flipped after this request was made */
 940         if (cmdiocb->event_tag != phba->fc_eventTag) {
 941                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 942                                  "9043 Event tag mismatch. Ignoring NS rsp\n");
 943                 goto out;
 944         }
 945
 946         /* Don't bother processing response if vport is being torn down. */
 947         if (vport->load_flag & FC_UNLOADING) {
 948                 if (vport->fc_flag & FC_RSCN_MODE)
 949                         lpfc_els_flush_rscn(vport);
 950                 goto out;
 951         }
 952
 953         if (lpfc_els_chk_latt(vport)) {
 954                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 955                                  "0216 Link event during NS query\n");
 956                 if (vport->fc_flag & FC_RSCN_MODE)
 957                         lpfc_els_flush_rscn(vport);
 958                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 959                 goto out;
 960         }
 961         if (lpfc_error_lost_link(ulp_status, ulp_word4)) {
 962                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 963                                  "0226 NS query failed due to link event: "
 964                                  "ulp_status x%x ulp_word4 x%x fc_flag x%x "
 965                                  "port_state x%x gidft_inp x%x\n",
 966                                  ulp_status, ulp_word4, vport->fc_flag,
 967                                  vport->port_state, vport->gidft_inp);
 968                 if (vport->fc_flag & FC_RSCN_MODE)
 969                         lpfc_els_flush_rscn(vport);
 970                 if (vport->gidft_inp)
 971                         vport->gidft_inp--;
 972                 goto out;
 973         }
 974
 975         spin_lock_irq(shost->host_lock);
 976         if (vport->fc_flag & FC_RSCN_DEFERRED) {
 977                 vport->fc_flag &= ~FC_RSCN_DEFERRED;
 978                 spin_unlock_irq(shost->host_lock);
 979
 980                 /* This is a GID_FT completing so the gidft_inp counter was
 981                  * incremented before the GID_FT was issued to the wire.
 982                  */
 983                 if (vport->gidft_inp)
 984                         vport->gidft_inp--;
 985
 986                 /*
 987                  * Skip processing the NS response
 988                  * Re-issue the NS cmd
 989                  */
 990                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 991                                  "0151 Process Deferred RSCN Data: x%x x%x\n",
 992                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 993                 lpfc_els_handle_rscn(vport);
 994
 995                 goto out;
 996         }
 997         spin_unlock_irq(shost->host_lock);
 998
 999         if (ulp_status) {
1000                 /* Check for retry */
1001                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1002                         if (ulp_status != IOSTAT_LOCAL_REJECT ||
1003                             (ulp_word4 & IOERR_PARAM_MASK) !=
1004                             IOERR_NO_RESOURCES)
1005                                 vport->fc_ns_retry++;
1006
1007                         type = lpfc_get_gidft_type(vport, cmdiocb);
1008                         if (type == 0)
1009                                 goto out;
1010
1011                         /* CT command is being retried */
1012                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
1013                                          vport->fc_ns_retry, type);
1014                         if (rc == 0)
1015                                 goto out;
1016                         else { /* Unable to send NS cmd */
1017                                 if (vport->gidft_inp)
1018                                         vport->gidft_inp--;
1019                         }
1020                 }
1021                 if (vport->fc_flag & FC_RSCN_MODE)
1022                         lpfc_els_flush_rscn(vport);
1023                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1024                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1025                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
1026                                  ulp_status, vport->fc_ns_retry);
1027         } else {
1028                 /* Good status, continue checking */
1029                 CTreq = (struct lpfc_sli_ct_request *) inp->virt;
1030                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1031                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1032                     cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1033                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1034                                          "0208 NameServer Rsp Data: x%x x%x "
1035                                          "x%x x%x sz x%x\n",
1036                                          vport->fc_flag,
1037                                          CTreq->un.gid.Fc4Type,
1038                                          vport->num_disc_nodes,
1039                                          vport->gidft_inp,
1040                                          get_job_data_placed(phba, rspiocb));
1041
1042                         lpfc_ns_rsp(vport,
1043                                     outp,
1044                                     CTreq->un.gid.Fc4Type,
1045                                     get_job_data_placed(phba, rspiocb));
1046                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
1047                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1048                         /* NameServer Rsp Error */
1049                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1050                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1051                                 lpfc_printf_vlog(vport, KERN_INFO,
1052                                         LOG_DISCOVERY,
1053                                         "0269 No NameServer Entries "
1054                                         "Data: x%x x%x x%x x%x\n",
1055                                         CTrsp->CommandResponse.bits.CmdRsp,
1056                                         (uint32_t) CTrsp->ReasonCode,
1057                                         (uint32_t) CTrsp->Explanation,
1058                                         vport->fc_flag);
1059
1060                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1061                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
1062                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1063                                 (uint32_t) CTrsp->ReasonCode,
1064                                 (uint32_t) CTrsp->Explanation);
1065                         } else {
1066                                 lpfc_printf_vlog(vport, KERN_INFO,
1067                                         LOG_DISCOVERY,
1068                                         "0240 NameServer Rsp Error "
1069                                         "Data: x%x x%x x%x x%x\n",
1070                                         CTrsp->CommandResponse.bits.CmdRsp,
1071                                         (uint32_t) CTrsp->ReasonCode,
1072                                         (uint32_t) CTrsp->Explanation,
1073                                         vport->fc_flag);
1074
1075                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1076                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1077                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1078                                 (uint32_t) CTrsp->ReasonCode,
1079                                 (uint32_t) CTrsp->Explanation);
1080                         }
1081
1082
1083                 } else {
1084                         /* NameServer Rsp Error */
1085                         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1086                                         "0241 NameServer Rsp Error "
1087                                         "Data: x%x x%x x%x x%x\n",
1088                                         CTrsp->CommandResponse.bits.CmdRsp,
1089                                         (uint32_t) CTrsp->ReasonCode,
1090                                         (uint32_t) CTrsp->Explanation,
1091                                         vport->fc_flag);
1092
1093                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1094                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1095                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1096                                 (uint32_t) CTrsp->ReasonCode,
1097                                 (uint32_t) CTrsp->Explanation);
1098                 }
1099                 if (vport->gidft_inp)
1100                         vport->gidft_inp--;
1101         }
1102
1103         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1104                          "4216 GID_FT cmpl inp %d disc %d\n",
1105                          vport->gidft_inp, vport->num_disc_nodes);
1106
1107         /* Link up / RSCN discovery */
1108         if ((vport->num_disc_nodes == 0) &&
1109             (vport->gidft_inp == 0)) {
1110                 /*
1111                  * The driver has cycled through all Nports in the RSCN payload.
1112                  * Complete the handling by cleaning up and marking the
1113                  * current driver state.
1114                  */
1115                 if (vport->port_state >= LPFC_DISC_AUTH) {
1116                         if (vport->fc_flag & FC_RSCN_MODE) {
1117                                 lpfc_els_flush_rscn(vport);
1118                                 spin_lock_irq(shost->host_lock);
1119                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1120                                 spin_unlock_irq(shost->host_lock);
1121                         }
1122                         else
1123                                 lpfc_els_flush_rscn(vport);
1124                 }
1125
1126                 lpfc_disc_start(vport);
1127         }
1128 out:
1129         lpfc_ct_free_iocb(phba, cmdiocb);
1130         lpfc_nlp_put(ndlp);
1131         return;
1132 }
1133
1134 static void
1135 lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1136                         struct lpfc_iocbq *rspiocb)
1137 {
1138         struct lpfc_vport *vport = cmdiocb->vport;
1139         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1140         struct lpfc_dmabuf *outp;
1141         struct lpfc_dmabuf *inp;
1142         struct lpfc_sli_ct_request *CTrsp;
1143         struct lpfc_sli_ct_request *CTreq;
1144         struct lpfc_nodelist *ndlp;
1145         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1146         u32 ulp_word4 = get_job_word4(phba, rspiocb);
1147         int rc;
1148
1149         /* First save ndlp, before we overwrite it */
1150         ndlp = cmdiocb->ndlp;
1151
1152         /* we pass cmdiocb to state machine which needs rspiocb as well */
1153         cmdiocb->rsp_iocb = rspiocb;
1154         inp = cmdiocb->cmd_dmabuf;
1155         outp = cmdiocb->rsp_dmabuf;
1156
1157         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1158                               "GID_PT cmpl:     status:x%x/x%x rtry:%d",
1159                               ulp_status, ulp_word4,
1160                               vport->fc_ns_retry);
1161
1162         /* Ignore response if link flipped after this request was made */
1163         if (cmdiocb->event_tag != phba->fc_eventTag) {
1164                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1165                                  "9044 Event tag mismatch. Ignoring NS rsp\n");
1166                 goto out;
1167         }
1168
1169         /* Don't bother processing response if vport is being torn down. */
1170         if (vport->load_flag & FC_UNLOADING) {
1171                 if (vport->fc_flag & FC_RSCN_MODE)
1172                         lpfc_els_flush_rscn(vport);
1173                 goto out;
1174         }
1175
1176         if (lpfc_els_chk_latt(vport)) {
1177                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1178                                  "4108 Link event during NS query\n");
1179                 if (vport->fc_flag & FC_RSCN_MODE)
1180                         lpfc_els_flush_rscn(vport);
1181                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1182                 goto out;
1183         }
1184         if (lpfc_error_lost_link(ulp_status, ulp_word4)) {
1185                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1186                                  "4166 NS query failed due to link event: "
1187                                  "ulp_status x%x ulp_word4 x%x fc_flag x%x "
1188                                  "port_state x%x gidft_inp x%x\n",
1189                                  ulp_status, ulp_word4, vport->fc_flag,
1190                                  vport->port_state, vport->gidft_inp);
1191                 if (vport->fc_flag & FC_RSCN_MODE)
1192                         lpfc_els_flush_rscn(vport);
1193                 if (vport->gidft_inp)
1194                         vport->gidft_inp--;
1195                 goto out;
1196         }
1197
1198         spin_lock_irq(shost->host_lock);
1199         if (vport->fc_flag & FC_RSCN_DEFERRED) {
1200                 vport->fc_flag &= ~FC_RSCN_DEFERRED;
1201                 spin_unlock_irq(shost->host_lock);
1202
1203                 /* This is a GID_PT completing so the gidft_inp counter was
1204                  * incremented before the GID_PT was issued to the wire.
1205                  */
1206                 if (vport->gidft_inp)
1207                         vport->gidft_inp--;
1208
1209                 /*
1210                  * Skip processing the NS response
1211                  * Re-issue the NS cmd
1212                  */
1213                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
1214                                  "4167 Process Deferred RSCN Data: x%x x%x\n",
1215                                  vport->fc_flag, vport->fc_rscn_id_cnt);
1216                 lpfc_els_handle_rscn(vport);
1217
1218                 goto out;
1219         }
1220         spin_unlock_irq(shost->host_lock);
1221
1222         if (ulp_status) {
1223                 /* Check for retry */
1224                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1225                         if (ulp_status != IOSTAT_LOCAL_REJECT ||
1226                             (ulp_word4 & IOERR_PARAM_MASK) !=
1227                             IOERR_NO_RESOURCES)
1228                                 vport->fc_ns_retry++;
1229
1230                         /* CT command is being retried */
1231                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
1232                                          vport->fc_ns_retry, GID_PT_N_PORT);
1233                         if (rc == 0)
1234                                 goto out;
1235                         else { /* Unable to send NS cmd */
1236                                 if (vport->gidft_inp)
1237                                         vport->gidft_inp--;
1238                         }
1239                 }
1240                 if (vport->fc_flag & FC_RSCN_MODE)
1241                         lpfc_els_flush_rscn(vport);
1242                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1243                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1244                                  "4103 GID_FT Query error: 0x%x 0x%x\n",
1245                                  ulp_status, vport->fc_ns_retry);
1246         } else {
1247                 /* Good status, continue checking */
1248                 CTreq = (struct lpfc_sli_ct_request *)inp->virt;
1249                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1250                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1251                     cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1252                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1253                                          "4105 NameServer Rsp Data: x%x x%x "
1254                                          "x%x x%x sz x%x\n",
1255                                          vport->fc_flag,
1256                                          CTreq->un.gid.Fc4Type,
1257                                          vport->num_disc_nodes,
1258                                          vport->gidft_inp,
1259                                          get_job_data_placed(phba, rspiocb));
1260
1261                         lpfc_ns_rsp(vport,
1262                                     outp,
1263                                     CTreq->un.gid.Fc4Type,
1264                                     get_job_data_placed(phba, rspiocb));
1265                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
1266                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1267                         /* NameServer Rsp Error */
1268                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1269                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1270                                 lpfc_printf_vlog(
1271                                         vport, KERN_INFO, LOG_DISCOVERY,
1272                                         "4106 No NameServer Entries "
1273                                         "Data: x%x x%x x%x x%x\n",
1274                                         CTrsp->CommandResponse.bits.CmdRsp,
1275                                         (uint32_t)CTrsp->ReasonCode,
1276                                         (uint32_t)CTrsp->Explanation,
1277                                         vport->fc_flag);
1278
1279                                 lpfc_debugfs_disc_trc(
1280                                 vport, LPFC_DISC_TRC_CT,
1281                                 "GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
1282                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1283                                 (uint32_t)CTrsp->ReasonCode,
1284                                 (uint32_t)CTrsp->Explanation);
1285                         } else {
1286                                 lpfc_printf_vlog(
1287                                         vport, KERN_INFO, LOG_DISCOVERY,
1288                                         "4107 NameServer Rsp Error "
1289                                         "Data: x%x x%x x%x x%x\n",
1290                                         CTrsp->CommandResponse.bits.CmdRsp,
1291                                         (uint32_t)CTrsp->ReasonCode,
1292                                         (uint32_t)CTrsp->Explanation,
1293                                         vport->fc_flag);
1294
1295                                 lpfc_debugfs_disc_trc(
1296                                 vport, LPFC_DISC_TRC_CT,
1297                                 "GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1298                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1299                                 (uint32_t)CTrsp->ReasonCode,
1300                                 (uint32_t)CTrsp->Explanation);
1301                         }
1302                 } else {
1303                         /* NameServer Rsp Error */
1304                         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1305                                          "4109 NameServer Rsp Error "
1306                                          "Data: x%x x%x x%x x%x\n",
1307                                          CTrsp->CommandResponse.bits.CmdRsp,
1308                                          (uint32_t)CTrsp->ReasonCode,
1309                                          (uint32_t)CTrsp->Explanation,
1310                                          vport->fc_flag);
1311
1312                         lpfc_debugfs_disc_trc(
1313                                 vport, LPFC_DISC_TRC_CT,
1314                                 "GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1315                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1316                                 (uint32_t)CTrsp->ReasonCode,
1317                                 (uint32_t)CTrsp->Explanation);
1318                 }
1319                 if (vport->gidft_inp)
1320                         vport->gidft_inp--;
1321         }
1322
1323         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1324                          "6450 GID_PT cmpl inp %d disc %d\n",
1325                          vport->gidft_inp, vport->num_disc_nodes);
1326
1327         /* Link up / RSCN discovery */
1328         if ((vport->num_disc_nodes == 0) &&
1329             (vport->gidft_inp == 0)) {
1330                 /*
1331                  * The driver has cycled through all Nports in the RSCN payload.
1332                  * Complete the handling by cleaning up and marking the
1333                  * current driver state.
1334                  */
1335                 if (vport->port_state >= LPFC_DISC_AUTH) {
1336                         if (vport->fc_flag & FC_RSCN_MODE) {
1337                                 lpfc_els_flush_rscn(vport);
1338                                 spin_lock_irq(shost->host_lock);
1339                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1340                                 spin_unlock_irq(shost->host_lock);
1341                         } else {
1342                                 lpfc_els_flush_rscn(vport);
1343                         }
1344                 }
1345
1346                 lpfc_disc_start(vport);
1347         }
1348 out:
1349         lpfc_ct_free_iocb(phba, cmdiocb);
1350         lpfc_nlp_put(ndlp);
1351 }
1352
1353 static void
1354 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1355                         struct lpfc_iocbq *rspiocb)
1356 {
1357         struct lpfc_vport *vport = cmdiocb->vport;
1358         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1359         struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1360         struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1361         struct lpfc_sli_ct_request *CTrsp;
1362         int did, rc, retry;
1363         uint8_t fbits;
1364         struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL;
1365         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1366         u32 ulp_word4 = get_job_word4(phba, rspiocb);
1367
1368         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1369         did = be32_to_cpu(did);
1370
1371         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1372                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
1373                 ulp_status, ulp_word4, did);
1374
1375         /* Ignore response if link flipped after this request was made */
1376         if (cmdiocb->event_tag != phba->fc_eventTag) {
1377                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1378                                  "9045 Event tag mismatch. Ignoring NS rsp\n");
1379                 goto iocb_free;
1380         }
1381
1382         if (ulp_status == IOSTAT_SUCCESS) {
1383                 /* Good status, continue checking */
1384                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1385                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1386
1387                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1388                                  "6431 Process GFF_ID rsp for %08x "
1389                                  "fbits %02x %s %s\n",
1390                                  did, fbits,
1391                                  (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1392                                  (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1393
1394                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1395                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
1396                         if ((fbits & FC4_FEATURE_INIT) &&
1397                             !(fbits & FC4_FEATURE_TARGET)) {
1398                                 lpfc_printf_vlog(vport, KERN_INFO,
1399                                                  LOG_DISCOVERY,
1400                                                  "0270 Skip x%x GFF "
1401                                                  "NameServer Rsp Data: (init) "
1402                                                  "x%x x%x\n", did, fbits,
1403                                                  vport->fc_rscn_id_cnt);
1404                                 goto out;
1405                         }
1406                 }
1407         }
1408         else {
1409                 /* Check for retry */
1410                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1411                         retry = 1;
1412                         if (ulp_status == IOSTAT_LOCAL_REJECT) {
1413                                 switch ((ulp_word4 &
1414                                         IOERR_PARAM_MASK)) {
1415
1416                                 case IOERR_NO_RESOURCES:
1417                                         /* We don't increment the retry
1418                                          * count for this case.
1419                                          */
1420                                         break;
1421                                 case IOERR_LINK_DOWN:
1422                                 case IOERR_SLI_ABORTED:
1423                                 case IOERR_SLI_DOWN:
1424                                         retry = 0;
1425                                         break;
1426                                 default:
1427                                         cmdiocb->retry++;
1428                                 }
1429                         }
1430                         else
1431                                 cmdiocb->retry++;
1432
1433                         if (retry) {
1434                                 /* CT command is being retried */
1435                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1436                                          cmdiocb->retry, did);
1437                                 if (rc == 0) {
1438                                         /* success */
1439                                         free_ndlp = cmdiocb->ndlp;
1440                                         lpfc_ct_free_iocb(phba, cmdiocb);
1441                                         lpfc_nlp_put(free_ndlp);
1442                                         return;
1443                                 }
1444                         }
1445                 }
1446                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1447                                  "0267 NameServer GFF Rsp "
1448                                  "x%x Error (%d %d) Data: x%x x%x\n",
1449                                  did, ulp_status, ulp_word4,
1450                                  vport->fc_flag, vport->fc_rscn_id_cnt);
1451         }
1452
1453         /* This is a target port, unregistered port, or the GFF_ID failed */
1454         ndlp = lpfc_setup_disc_node(vport, did);
1455         if (ndlp) {
1456                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1457                                  "0242 Process x%x GFF "
1458                                  "NameServer Rsp Data: x%x x%x x%x\n",
1459                                  did, ndlp->nlp_flag, vport->fc_flag,
1460                                  vport->fc_rscn_id_cnt);
1461         } else {
1462                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1463                                  "0243 Skip x%x GFF "
1464                                  "NameServer Rsp Data: x%x x%x\n", did,
1465                                  vport->fc_flag, vport->fc_rscn_id_cnt);
1466         }
1467 out:
1468         /* Link up / RSCN discovery */
1469         if (vport->num_disc_nodes)
1470                 vport->num_disc_nodes--;
1471
1472         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1473                          "6451 GFF_ID cmpl inp %d disc %d\n",
1474                          vport->gidft_inp, vport->num_disc_nodes);
1475
1476         if (vport->num_disc_nodes == 0) {
1477                 /*
1478                  * The driver has cycled through all Nports in the RSCN payload.
1479                  * Complete the handling by cleaning up and marking the
1480                  * current driver state.
1481                  */
1482                 if (vport->port_state >= LPFC_DISC_AUTH) {
1483                         if (vport->fc_flag & FC_RSCN_MODE) {
1484                                 lpfc_els_flush_rscn(vport);
1485                                 spin_lock_irq(shost->host_lock);
1486                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1487                                 spin_unlock_irq(shost->host_lock);
1488                         }
1489                         else
1490                                 lpfc_els_flush_rscn(vport);
1491                 }
1492                 lpfc_disc_start(vport);
1493         }
1494
1495 iocb_free:
1496         free_ndlp = cmdiocb->ndlp;
1497         lpfc_ct_free_iocb(phba, cmdiocb);
1498         lpfc_nlp_put(free_ndlp);
1499         return;
1500 }
1501
1502 static void
1503 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1504                         struct lpfc_iocbq *rspiocb)
1505 {
1506         struct lpfc_vport *vport = cmdiocb->vport;
1507         struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1508         struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1509         struct lpfc_sli_ct_request *CTrsp;
1510         int did;
1511         struct lpfc_nodelist *ndlp = NULL;
1512         struct lpfc_nodelist *ns_ndlp = cmdiocb->ndlp;
1513         uint32_t fc4_data_0, fc4_data_1;
1514         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1515         u32 ulp_word4 = get_job_word4(phba, rspiocb);
1516
1517         did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1518         did = be32_to_cpu(did);
1519
1520         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1521                               "GFT_ID cmpl: status:x%x/x%x did:x%x",
1522                               ulp_status, ulp_word4, did);
1523
1524         /* Ignore response if link flipped after this request was made */
1525         if ((uint32_t)cmdiocb->event_tag != phba->fc_eventTag) {
1526                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1527                                  "9046 Event tag mismatch. Ignoring NS rsp\n");
1528                 goto out;
1529         }
1530
1531         if (ulp_status == IOSTAT_SUCCESS) {
1532                 /* Good status, continue checking */
1533                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1534                 fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1535                 fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1536
1537                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1538                                  "6432 Process GFT_ID rsp for %08x "
1539                                  "Data %08x %08x %s %s\n",
1540                                  did, fc4_data_0, fc4_data_1,
1541                                  (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1542                                   "FCP" : " ",
1543                                  (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1544                                   "NVME" : " ");
1545
1546                 /* Lookup the NPort_ID queried in the GFT_ID and find the
1547                  * driver's local node.  It's an error if the driver
1548                  * doesn't have one.
1549                  */
1550                 ndlp = lpfc_findnode_did(vport, did);
1551                 if (ndlp) {
1552                         /* The bitmask value for FCP and NVME FCP types is
1553                          * the same because they are 32 bits distant from
1554                          * each other in word0 and word0.
1555                          */
1556                         if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1557                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1558                         if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1559                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1560                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1561                                          "3064 Setting ndlp x%px, DID x%06x "
1562                                          "with FC4 x%08x, Data: x%08x x%08x "
1563                                          "%d\n",
1564                                          ndlp, did, ndlp->nlp_fc4_type,
1565                                          FC_TYPE_FCP, FC_TYPE_NVME,
1566                                          ndlp->nlp_state);
1567
1568                         if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1569                             ndlp->nlp_fc4_type) {
1570                                 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1571
1572                                 lpfc_nlp_set_state(vport, ndlp,
1573                                                    NLP_STE_PRLI_ISSUE);
1574                                 lpfc_issue_els_prli(vport, ndlp, 0);
1575                         } else if (!ndlp->nlp_fc4_type) {
1576                                 /* If fc4 type is still unknown, then LOGO */
1577                                 lpfc_printf_vlog(vport, KERN_INFO,
1578                                                  LOG_DISCOVERY,
1579                                                  "6443 Sending LOGO ndlp x%px,"
1580                                                  "DID x%06x with fc4_type: "
1581                                                  "x%08x, state: %d\n",
1582                                                  ndlp, did, ndlp->nlp_fc4_type,
1583                                                  ndlp->nlp_state);
1584                                 lpfc_issue_els_logo(vport, ndlp, 0);
1585                                 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1586                                 lpfc_nlp_set_state(vport, ndlp,
1587                                                    NLP_STE_NPR_NODE);
1588                         }
1589                 }
1590         } else
1591                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1592                                  "3065 GFT_ID failed x%08x\n", ulp_status);
1593
1594 out:
1595         lpfc_ct_free_iocb(phba, cmdiocb);
1596         lpfc_nlp_put(ns_ndlp);
1597 }
1598
1599 static void
1600 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1601              struct lpfc_iocbq *rspiocb)
1602 {
1603         struct lpfc_vport *vport = cmdiocb->vport;
1604         struct lpfc_dmabuf *inp;
1605         struct lpfc_dmabuf *outp;
1606         struct lpfc_sli_ct_request *CTrsp;
1607         struct lpfc_nodelist *ndlp;
1608         int cmdcode, rc;
1609         uint8_t retry;
1610         uint32_t latt;
1611         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1612         u32 ulp_word4 = get_job_word4(phba, rspiocb);
1613
1614         /* First save ndlp, before we overwrite it */
1615         ndlp = cmdiocb->ndlp;
1616
1617         /* we pass cmdiocb to state machine which needs rspiocb as well */
1618         cmdiocb->rsp_iocb = rspiocb;
1619
1620         inp = cmdiocb->cmd_dmabuf;
1621         outp = cmdiocb->rsp_dmabuf;
1622
1623         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1624                                         CommandResponse.bits.CmdRsp);
1625         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1626
1627         latt = lpfc_els_chk_latt(vport);
1628
1629         /* RFT request completes status <ulp_status> CmdRsp <CmdRsp> */
1630         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1631                          "0209 CT Request completes, latt %d, "
1632                          "ulp_status x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1633                          latt, ulp_status,
1634                          CTrsp->CommandResponse.bits.CmdRsp,
1635                          get_job_ulpcontext(phba, cmdiocb), cmdiocb->iotag);
1636
1637         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1638                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1639                 ulp_status, ulp_word4, cmdcode);
1640
1641         if (ulp_status) {
1642                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1643                                  "0268 NS cmd x%x Error (x%x x%x)\n",
1644                                  cmdcode, ulp_status, ulp_word4);
1645
1646                 if (ulp_status == IOSTAT_LOCAL_REJECT &&
1647                     (((ulp_word4 & IOERR_PARAM_MASK) ==
1648                       IOERR_SLI_DOWN) ||
1649                      ((ulp_word4 & IOERR_PARAM_MASK) ==
1650                       IOERR_SLI_ABORTED)))
1651                         goto out;
1652
1653                 retry = cmdiocb->retry;
1654                 if (retry >= LPFC_MAX_NS_RETRY)
1655                         goto out;
1656
1657                 retry++;
1658                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1659                                  "0250 Retrying NS cmd %x\n", cmdcode);
1660                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1661                 if (rc == 0)
1662                         goto out;
1663         }
1664
1665 out:
1666         lpfc_ct_free_iocb(phba, cmdiocb);
1667         lpfc_nlp_put(ndlp);
1668         return;
1669 }
1670
1671 static void
1672 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1673                         struct lpfc_iocbq *rspiocb)
1674 {
1675         struct lpfc_vport *vport = cmdiocb->vport;
1676         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1677
1678         if (ulp_status == IOSTAT_SUCCESS) {
1679                 struct lpfc_dmabuf *outp;
1680                 struct lpfc_sli_ct_request *CTrsp;
1681
1682                 outp = cmdiocb->rsp_dmabuf;
1683                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1684                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1685                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1686                         vport->ct_flags |= FC_CT_RFT_ID;
1687         }
1688         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1689         return;
1690 }
1691
1692 static void
1693 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1694                         struct lpfc_iocbq *rspiocb)
1695 {
1696         struct lpfc_vport *vport = cmdiocb->vport;
1697         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1698
1699         if (ulp_status == IOSTAT_SUCCESS) {
1700                 struct lpfc_dmabuf *outp;
1701                 struct lpfc_sli_ct_request *CTrsp;
1702
1703                 outp = cmdiocb->rsp_dmabuf;
1704                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1705                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1706                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1707                         vport->ct_flags |= FC_CT_RNN_ID;
1708         }
1709         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1710         return;
1711 }
1712
1713 static void
1714 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1715                          struct lpfc_iocbq *rspiocb)
1716 {
1717         struct lpfc_vport *vport = cmdiocb->vport;
1718         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1719
1720         if (ulp_status == IOSTAT_SUCCESS) {
1721                 struct lpfc_dmabuf *outp;
1722                 struct lpfc_sli_ct_request *CTrsp;
1723
1724                 outp = cmdiocb->rsp_dmabuf;
1725                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1726                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1727                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1728                         vport->ct_flags |= FC_CT_RSPN_ID;
1729         }
1730         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1731         return;
1732 }
1733
1734 static void
1735 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1736                          struct lpfc_iocbq *rspiocb)
1737 {
1738         struct lpfc_vport *vport = cmdiocb->vport;
1739         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1740
1741         if (ulp_status == IOSTAT_SUCCESS) {
1742                 struct lpfc_dmabuf *outp;
1743                 struct lpfc_sli_ct_request *CTrsp;
1744
1745                 outp = cmdiocb->rsp_dmabuf;
1746                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1747                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1748                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1749                         vport->ct_flags |= FC_CT_RSNN_NN;
1750         }
1751         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1752         return;
1753 }
1754
1755 static void
1756 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1757  struct lpfc_iocbq *rspiocb)
1758 {
1759         struct lpfc_vport *vport = cmdiocb->vport;
1760
1761         /* even if it fails we will act as though it succeeded. */
1762         vport->ct_flags = 0;
1763         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1764         return;
1765 }
1766
1767 static void
1768 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1769                         struct lpfc_iocbq *rspiocb)
1770 {
1771         struct lpfc_vport *vport = cmdiocb->vport;
1772         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1773
1774         if (ulp_status == IOSTAT_SUCCESS) {
1775                 struct lpfc_dmabuf *outp;
1776                 struct lpfc_sli_ct_request *CTrsp;
1777
1778                 outp = cmdiocb->rsp_dmabuf;
1779                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1780                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1781                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1782                         vport->ct_flags |= FC_CT_RFF_ID;
1783         }
1784         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1785         return;
1786 }
1787
1788 /*
1789  * Although the symbolic port name is thought to be an integer
1790  * as of January 18, 2016, leave it as a string until more of
1791  * the record state becomes defined.
1792  */
1793 int
1794 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1795         size_t size)
1796 {
1797         int n;
1798
1799         /*
1800          * Use the lpfc board number as the Symbolic Port
1801          * Name object.  NPIV is not in play so this integer
1802          * value is sufficient and unique per FC-ID.
1803          */
1804         n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1805         return n;
1806 }
1807
1808
1809 int
1810 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1811         size_t size)
1812 {
1813         char fwrev[FW_REV_STR_SIZE] = {0};
1814         char tmp[MAXHOSTNAMELEN] = {0};
1815
1816         memset(symbol, 0, size);
1817
1818         scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1819         if (strlcat(symbol, tmp, size) >= size)
1820                 goto buffer_done;
1821
1822         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1823         scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1824         if (strlcat(symbol, tmp, size) >= size)
1825                 goto buffer_done;
1826
1827         scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1828         if (strlcat(symbol, tmp, size) >= size)
1829                 goto buffer_done;
1830
1831         scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1832         if (strlcat(symbol, tmp, size) >= size)
1833                 goto buffer_done;
1834
1835         /* Note :- OS name is "Linux" */
1836         scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1837         strlcat(symbol, tmp, size);
1838
1839 buffer_done:
1840         return strnlen(symbol, size);
1841
1842 }
1843
1844 static uint32_t
1845 lpfc_find_map_node(struct lpfc_vport *vport)
1846 {
1847         struct lpfc_nodelist *ndlp, *next_ndlp;
1848         struct Scsi_Host  *shost;
1849         uint32_t cnt = 0;
1850
1851         shost = lpfc_shost_from_vport(vport);
1852         spin_lock_irq(shost->host_lock);
1853         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1854                 if (ndlp->nlp_type & NLP_FABRIC)
1855                         continue;
1856                 if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1857                     (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1858                         cnt++;
1859         }
1860         spin_unlock_irq(shost->host_lock);
1861         return cnt;
1862 }
1863
1864 /*
1865  * This routine will return the FC4 Type associated with the CT
1866  * GID_FT command.
1867  */
1868 int
1869 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1870 {
1871         struct lpfc_sli_ct_request *CtReq;
1872         struct lpfc_dmabuf *mp;
1873         uint32_t type;
1874
1875         mp = cmdiocb->cmd_dmabuf;
1876         if (mp == NULL)
1877                 return 0;
1878         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1879         type = (uint32_t)CtReq->un.gid.Fc4Type;
1880         if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1881                 return 0;
1882         return type;
1883 }
1884
1885 /*
1886  * lpfc_ns_cmd
1887  * Description:
1888  *    Issue Cmd to NameServer
1889  *       SLI_CTNS_GID_FT
1890  *       LI_CTNS_RFT_ID
1891  */
1892 int
1893 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1894             uint8_t retry, uint32_t context)
1895 {
1896         struct lpfc_nodelist * ndlp;
1897         struct lpfc_hba *phba = vport->phba;
1898         struct lpfc_dmabuf *mp, *bmp;
1899         struct lpfc_sli_ct_request *CtReq;
1900         struct ulp_bde64 *bpl;
1901         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1902                       struct lpfc_iocbq *) = NULL;
1903         uint32_t *ptr;
1904         uint32_t rsp_size = 1024;
1905         size_t   size;
1906         int rc = 0;
1907
1908         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1909         if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1910                 rc=1;
1911                 goto ns_cmd_exit;
1912         }
1913
1914         /* fill in BDEs for command */
1915         /* Allocate buffer for command payload */
1916         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1917         if (!mp) {
1918                 rc=2;
1919                 goto ns_cmd_exit;
1920         }
1921
1922         INIT_LIST_HEAD(&mp->list);
1923         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1924         if (!mp->virt) {
1925                 rc=3;
1926                 goto ns_cmd_free_mp;
1927         }
1928
1929         /* Allocate buffer for Buffer ptr list */
1930         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1931         if (!bmp) {
1932                 rc=4;
1933                 goto ns_cmd_free_mpvirt;
1934         }
1935
1936         INIT_LIST_HEAD(&bmp->list);
1937         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1938         if (!bmp->virt) {
1939                 rc=5;
1940                 goto ns_cmd_free_bmp;
1941         }
1942
1943         /* NameServer Req */
1944         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1945                          "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1946                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1947                          context);
1948
1949         bpl = (struct ulp_bde64 *) bmp->virt;
1950         memset(bpl, 0, sizeof(struct ulp_bde64));
1951         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1952         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1953         bpl->tus.f.bdeFlags = 0;
1954         if (cmdcode == SLI_CTNS_GID_FT)
1955                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1956         else if (cmdcode == SLI_CTNS_GID_PT)
1957                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1958         else if (cmdcode == SLI_CTNS_GFF_ID)
1959                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1960         else if (cmdcode == SLI_CTNS_GFT_ID)
1961                 bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1962         else if (cmdcode == SLI_CTNS_RFT_ID)
1963                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1964         else if (cmdcode == SLI_CTNS_RNN_ID)
1965                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1966         else if (cmdcode == SLI_CTNS_RSPN_ID)
1967                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1968         else if (cmdcode == SLI_CTNS_RSNN_NN)
1969                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1970         else if (cmdcode == SLI_CTNS_DA_ID)
1971                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1972         else if (cmdcode == SLI_CTNS_RFF_ID)
1973                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1974         else
1975                 bpl->tus.f.bdeSize = 0;
1976         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1977
1978         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1979         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1980         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1981         CtReq->RevisionId.bits.InId = 0;
1982         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1983         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1984         CtReq->CommandResponse.bits.Size = 0;
1985         switch (cmdcode) {
1986         case SLI_CTNS_GID_FT:
1987                 CtReq->CommandResponse.bits.CmdRsp =
1988                     cpu_to_be16(SLI_CTNS_GID_FT);
1989                 CtReq->un.gid.Fc4Type = context;
1990
1991                 if (vport->port_state < LPFC_NS_QRY)
1992                         vport->port_state = LPFC_NS_QRY;
1993                 lpfc_set_disctmo(vport);
1994                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1995                 rsp_size = FC_MAX_NS_RSP;
1996                 break;
1997
1998         case SLI_CTNS_GID_PT:
1999                 CtReq->CommandResponse.bits.CmdRsp =
2000                     cpu_to_be16(SLI_CTNS_GID_PT);
2001                 CtReq->un.gid.PortType = context;
2002
2003                 if (vport->port_state < LPFC_NS_QRY)
2004                         vport->port_state = LPFC_NS_QRY;
2005                 lpfc_set_disctmo(vport);
2006                 cmpl = lpfc_cmpl_ct_cmd_gid_pt;
2007                 rsp_size = FC_MAX_NS_RSP;
2008                 break;
2009
2010         case SLI_CTNS_GFF_ID:
2011                 CtReq->CommandResponse.bits.CmdRsp =
2012                         cpu_to_be16(SLI_CTNS_GFF_ID);
2013                 CtReq->un.gff.PortId = cpu_to_be32(context);
2014                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
2015                 break;
2016
2017         case SLI_CTNS_GFT_ID:
2018                 CtReq->CommandResponse.bits.CmdRsp =
2019                         cpu_to_be16(SLI_CTNS_GFT_ID);
2020                 CtReq->un.gft.PortId = cpu_to_be32(context);
2021                 cmpl = lpfc_cmpl_ct_cmd_gft_id;
2022                 break;
2023
2024         case SLI_CTNS_RFT_ID:
2025                 vport->ct_flags &= ~FC_CT_RFT_ID;
2026                 CtReq->CommandResponse.bits.CmdRsp =
2027                     cpu_to_be16(SLI_CTNS_RFT_ID);
2028                 CtReq->un.rft.port_id = cpu_to_be32(vport->fc_myDID);
2029
2030                 /* Register Application Services type if vmid enabled. */
2031                 if (phba->cfg_vmid_app_header)
2032                         CtReq->un.rft.app_serv_reg =
2033                                 cpu_to_be32(RFT_APP_SERV_REG);
2034
2035                 /* Register FC4 FCP type if enabled.  */
2036                 if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2037                     vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
2038                         CtReq->un.rft.fcp_reg = cpu_to_be32(RFT_FCP_REG);
2039
2040                 /* Register NVME type if enabled. */
2041                 if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2042                     vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
2043                         CtReq->un.rft.nvme_reg = cpu_to_be32(RFT_NVME_REG);
2044
2045                 ptr = (uint32_t *)CtReq;
2046                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2047                                  "6433 Issue RFT (%s %s %s): %08x %08x %08x "
2048                                  "%08x %08x %08x %08x %08x\n",
2049                                  CtReq->un.rft.fcp_reg ? "FCP" : " ",
2050                                  CtReq->un.rft.nvme_reg ? "NVME" : " ",
2051                                  CtReq->un.rft.app_serv_reg ? "APPS" : " ",
2052                                  *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2053                                  *(ptr + 4), *(ptr + 5),
2054                                  *(ptr + 6), *(ptr + 7));
2055                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
2056                 break;
2057
2058         case SLI_CTNS_RNN_ID:
2059                 vport->ct_flags &= ~FC_CT_RNN_ID;
2060                 CtReq->CommandResponse.bits.CmdRsp =
2061                     cpu_to_be16(SLI_CTNS_RNN_ID);
2062                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
2063                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
2064                        sizeof(struct lpfc_name));
2065                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
2066                 break;
2067
2068         case SLI_CTNS_RSPN_ID:
2069                 vport->ct_flags &= ~FC_CT_RSPN_ID;
2070                 CtReq->CommandResponse.bits.CmdRsp =
2071                     cpu_to_be16(SLI_CTNS_RSPN_ID);
2072                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
2073                 size = sizeof(CtReq->un.rspn.symbname);
2074                 CtReq->un.rspn.len =
2075                         lpfc_vport_symbolic_port_name(vport,
2076                         CtReq->un.rspn.symbname, size);
2077                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
2078                 break;
2079         case SLI_CTNS_RSNN_NN:
2080                 vport->ct_flags &= ~FC_CT_RSNN_NN;
2081                 CtReq->CommandResponse.bits.CmdRsp =
2082                     cpu_to_be16(SLI_CTNS_RSNN_NN);
2083                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
2084                        sizeof(struct lpfc_name));
2085                 size = sizeof(CtReq->un.rsnn.symbname);
2086                 CtReq->un.rsnn.len =
2087                         lpfc_vport_symbolic_node_name(vport,
2088                         CtReq->un.rsnn.symbname, size);
2089                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
2090                 break;
2091         case SLI_CTNS_DA_ID:
2092                 /* Implement DA_ID Nameserver request */
2093                 CtReq->CommandResponse.bits.CmdRsp =
2094                         cpu_to_be16(SLI_CTNS_DA_ID);
2095                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
2096                 cmpl = lpfc_cmpl_ct_cmd_da_id;
2097                 break;
2098         case SLI_CTNS_RFF_ID:
2099                 vport->ct_flags &= ~FC_CT_RFF_ID;
2100                 CtReq->CommandResponse.bits.CmdRsp =
2101                     cpu_to_be16(SLI_CTNS_RFF_ID);
2102                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
2103                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
2104
2105                 /* The driver always supports FC_TYPE_FCP.  However, the
2106                  * caller can specify NVME (type x28) as well.  But only
2107                  * these that FC4 type is supported.
2108                  */
2109                 if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2110                      (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
2111                     (context == FC_TYPE_NVME)) {
2112                         if ((vport == phba->pport) && phba->nvmet_support) {
2113                                 CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
2114                                         FC4_FEATURE_NVME_DISC);
2115                                 lpfc_nvmet_update_targetport(phba);
2116                         } else {
2117                                 lpfc_nvme_update_localport(vport);
2118                         }
2119                         CtReq->un.rff.type_code = context;
2120
2121                 } else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2122                             (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
2123                            (context == FC_TYPE_FCP))
2124                         CtReq->un.rff.type_code = context;
2125
2126                 else
2127                         goto ns_cmd_free_bmpvirt;
2128
2129                 ptr = (uint32_t *)CtReq;
2130                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2131                                  "6434 Issue RFF (%s): %08x %08x %08x %08x "
2132                                  "%08x %08x %08x %08x\n",
2133                                  (context == FC_TYPE_NVME) ? "NVME" : "FCP",
2134                                  *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2135                                  *(ptr + 4), *(ptr + 5),
2136                                  *(ptr + 6), *(ptr + 7));
2137                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
2138                 break;
2139         }
2140         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2141          * to hold ndlp reference for the corresponding callback function.
2142          */
2143         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
2144                 /* On success, The cmpl function will free the buffers */
2145                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2146                         "Issue CT cmd:    cmd:x%x did:x%x",
2147                         cmdcode, ndlp->nlp_DID, 0);
2148                 return 0;
2149         }
2150         rc=6;
2151
2152 ns_cmd_free_bmpvirt:
2153         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2154 ns_cmd_free_bmp:
2155         kfree(bmp);
2156 ns_cmd_free_mpvirt:
2157         lpfc_mbuf_free(phba, mp->virt, mp->phys);
2158 ns_cmd_free_mp:
2159         kfree(mp);
2160 ns_cmd_exit:
2161         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
2162                          "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
2163                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
2164         return 1;
2165 }
2166
2167 /**
2168  * lpfc_fdmi_rprt_defer - Check for any deferred FDMI RPRT commands
2169  * @phba: Pointer to HBA context object.
2170  * @mask: Initial port attributes mask
2171  *
2172  * This function checks to see if any vports have deferred their FDMI RPRT.
2173  * A vports RPRT may be deferred if it is issued before the primary ports
2174  * RHBA completes.
2175  */
2176 static void
2177 lpfc_fdmi_rprt_defer(struct lpfc_hba *phba, uint32_t mask)
2178 {
2179         struct lpfc_vport **vports;
2180         struct lpfc_vport *vport;
2181         struct lpfc_nodelist *ndlp;
2182         int i;
2183
2184         phba->hba_flag |= HBA_RHBA_CMPL;
2185         vports = lpfc_create_vport_work_array(phba);
2186         if (vports) {
2187                 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2188                         vport = vports[i];
2189                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2190                         if (!ndlp)
2191                                 continue;
2192                         if (vport->ct_flags & FC_CT_RPRT_DEFER) {
2193                                 vport->ct_flags &= ~FC_CT_RPRT_DEFER;
2194                                 vport->fdmi_port_mask = mask;
2195                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2196                         }
2197                 }
2198         }
2199         lpfc_destroy_vport_work_array(phba, vports);
2200 }
2201
2202 /**
2203  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
2204  * @phba: Pointer to HBA context object.
2205  * @cmdiocb: Pointer to the command IOCBQ.
2206  * @rspiocb: Pointer to the response IOCBQ.
2207  *
2208  * This function to handle the completion of a driver initiated FDMI
2209  * CT command issued during discovery.
2210  */
2211 static void
2212 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2213                        struct lpfc_iocbq *rspiocb)
2214 {
2215         struct lpfc_vport *vport = cmdiocb->vport;
2216         struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
2217         struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
2218         struct lpfc_sli_ct_request *CTcmd = inp->virt;
2219         struct lpfc_sli_ct_request *CTrsp = outp->virt;
2220         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
2221         uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
2222         struct lpfc_nodelist *ndlp, *free_ndlp = NULL;
2223         uint32_t latt, cmd, err;
2224         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
2225         u32 ulp_word4 = get_job_word4(phba, rspiocb);
2226
2227         latt = lpfc_els_chk_latt(vport);
2228         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2229                 "FDMI cmpl:       status:x%x/x%x latt:%d",
2230                 ulp_status, ulp_word4, latt);
2231
2232         if (latt || ulp_status) {
2233
2234                 /* Look for a retryable error */
2235                 if (ulp_status == IOSTAT_LOCAL_REJECT) {
2236                         switch ((ulp_word4 & IOERR_PARAM_MASK)) {
2237                         case IOERR_SLI_ABORTED:
2238                         case IOERR_SLI_DOWN:
2239                                 /* Driver aborted this IO.  No retry as error
2240                                  * is likely Offline->Online or some adapter
2241                                  * error.  Recovery will try again.
2242                                  */
2243                                 break;
2244                         case IOERR_ABORT_IN_PROGRESS:
2245                         case IOERR_SEQUENCE_TIMEOUT:
2246                         case IOERR_ILLEGAL_FRAME:
2247                         case IOERR_NO_RESOURCES:
2248                         case IOERR_ILLEGAL_COMMAND:
2249                                 cmdiocb->retry++;
2250                                 if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
2251                                         break;
2252
2253                                 /* Retry the same FDMI command */
2254                                 err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
2255                                                           cmdiocb, 0);
2256                                 if (err == IOCB_ERROR)
2257                                         break;
2258                                 return;
2259                         default:
2260                                 break;
2261                         }
2262                 }
2263
2264                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2265                                  "0229 FDMI cmd %04x failed, latt = %d "
2266                                  "ulp_status: x%x, rid x%x\n",
2267                                  be16_to_cpu(fdmi_cmd), latt, ulp_status,
2268                                  ulp_word4);
2269         }
2270
2271         free_ndlp = cmdiocb->ndlp;
2272         lpfc_ct_free_iocb(phba, cmdiocb);
2273         lpfc_nlp_put(free_ndlp);
2274
2275         ndlp = lpfc_findnode_did(vport, FDMI_DID);
2276         if (!ndlp)
2277                 return;
2278
2279         /* Check for a CT LS_RJT response */
2280         cmd =  be16_to_cpu(fdmi_cmd);
2281         if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
2282                 /* FDMI rsp failed */
2283                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY | LOG_ELS,
2284                                  "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
2285
2286                 /* Should we fallback to FDMI-2 / FDMI-1 ? */
2287                 switch (cmd) {
2288                 case SLI_MGMT_RHBA:
2289                         if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
2290                                 /* Fallback to FDMI-1 for HBA attributes */
2291                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2292
2293                                 /* If HBA attributes are FDMI1, so should
2294                                  * port attributes be for consistency.
2295                                  */
2296                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2297                                 /* Start over */
2298                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2299                         }
2300                         return;
2301
2302                 case SLI_MGMT_RPRT:
2303                         if (vport->port_type != LPFC_PHYSICAL_PORT) {
2304                                 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2305                                 if (!ndlp)
2306                                         return;
2307                         }
2308                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2309                                 /* Fallback to FDMI-1 */
2310                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2311                                 /* Start over */
2312                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2313                                 return;
2314                         }
2315                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2316                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2317                                 /* Retry the same command */
2318                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2319                         }
2320                         return;
2321
2322                 case SLI_MGMT_RPA:
2323                         /* No retry on Vendor, RPA only done on physical port */
2324                         if (phba->link_flag & LS_CT_VEN_RPA) {
2325                                 phba->link_flag &= ~LS_CT_VEN_RPA;
2326                                 if (phba->cmf_active_mode == LPFC_CFG_OFF)
2327                                         return;
2328                                 lpfc_printf_log(phba, KERN_WARNING,
2329                                                 LOG_DISCOVERY | LOG_ELS,
2330                                                 "6460 VEN FDMI RPA RJT\n");
2331                                 return;
2332                         }
2333                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2334                                 /* Fallback to FDMI-1 */
2335                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2336                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2337                                 /* Start over */
2338                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2339                                 return;
2340                         }
2341                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2342                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2343                                 /* Retry the same command */
2344                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2345                         }
2346                         return;
2347                 }
2348         }
2349
2350         /*
2351          * On success, need to cycle thru FDMI registration for discovery
2352          * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2353          * DPRT -> RPRT (vports)
2354          */
2355         switch (cmd) {
2356         case SLI_MGMT_RHBA:
2357                 /* Check for any RPRTs deferred till after RHBA completes */
2358                 lpfc_fdmi_rprt_defer(phba, vport->fdmi_port_mask);
2359
2360                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
2361                 break;
2362
2363         case SLI_MGMT_DHBA:
2364                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2365                 break;
2366
2367         case SLI_MGMT_DPRT:
2368                 if (vport->port_type == LPFC_PHYSICAL_PORT) {
2369                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2370                 } else {
2371                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2372                         if (!ndlp)
2373                                 return;
2374
2375                         /* Only issue a RPRT for the vport if the RHBA
2376                          * for the physical port completes successfully.
2377                          * We may have to defer the RPRT accordingly.
2378                          */
2379                         if (phba->hba_flag & HBA_RHBA_CMPL) {
2380                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2381                         } else {
2382                                 lpfc_printf_vlog(vport, KERN_INFO,
2383                                                  LOG_DISCOVERY,
2384                                                  "6078 RPRT deferred\n");
2385                                 vport->ct_flags |= FC_CT_RPRT_DEFER;
2386                         }
2387                 }
2388                 break;
2389         case SLI_MGMT_RPA:
2390                 if (vport->port_type == LPFC_PHYSICAL_PORT &&
2391                     phba->sli4_hba.pc_sli4_params.mi_ver) {
2392                         /* mi is only for the phyical port, no vports */
2393                         if (phba->link_flag & LS_CT_VEN_RPA) {
2394                                 lpfc_printf_vlog(vport, KERN_INFO,
2395                                                  LOG_DISCOVERY | LOG_ELS |
2396                                                  LOG_CGN_MGMT,
2397                                                  "6449 VEN RPA FDMI Success\n");
2398                                 phba->link_flag &= ~LS_CT_VEN_RPA;
2399                                 break;
2400                         }
2401
2402                         lpfc_printf_log(phba, KERN_INFO,
2403                                         LOG_DISCOVERY | LOG_CGN_MGMT,
2404                                         "6210 Issue Vendor MI FDMI %x\n",
2405                                         phba->sli4_hba.pc_sli4_params.mi_ver);
2406
2407                         /* CGN is only for the physical port, no vports */
2408                         if (lpfc_fdmi_cmd(vport, ndlp, cmd,
2409                                           LPFC_FDMI_VENDOR_ATTR_mi) == 0)
2410                                 phba->link_flag |= LS_CT_VEN_RPA;
2411                         lpfc_printf_log(phba, KERN_INFO,
2412                                         LOG_DISCOVERY | LOG_ELS,
2413                                         "6458 Send MI FDMI:%x Flag x%x\n",
2414                                         phba->sli4_hba.pc_sli4_params.mi_ver,
2415                                         phba->link_flag);
2416                 } else {
2417                         lpfc_printf_log(phba, KERN_INFO,
2418                                         LOG_DISCOVERY | LOG_ELS,
2419                                         "6459 No FDMI VEN MI support - "
2420                                         "RPA Success\n");
2421                 }
2422                 break;
2423         }
2424         return;
2425 }
2426
2427
2428 /**
2429  * lpfc_fdmi_change_check - Check for changed FDMI parameters
2430  * @vport: pointer to a host virtual N_Port data structure.
2431  *
2432  * Check how many mapped NPorts we are connected to
2433  * Check if our hostname changed
2434  * Called from hbeat timeout routine to check if any FDMI parameters
2435  * changed. If so, re-register those Attributes.
2436  */
2437 void
2438 lpfc_fdmi_change_check(struct lpfc_vport *vport)
2439 {
2440         struct lpfc_hba *phba = vport->phba;
2441         struct lpfc_nodelist *ndlp;
2442         uint16_t cnt;
2443
2444         if (!lpfc_is_link_up(phba))
2445                 return;
2446
2447         /* Must be connected to a Fabric */
2448         if (!(vport->fc_flag & FC_FABRIC))
2449                 return;
2450
2451         ndlp = lpfc_findnode_did(vport, FDMI_DID);
2452         if (!ndlp)
2453                 return;
2454
2455         /* Check if system hostname changed */
2456         if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2457                 memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2458                 scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2459                           init_utsname()->nodename);
2460                 lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2461
2462                 /* Since this effects multiple HBA and PORT attributes, we need
2463                  * de-register and go thru the whole FDMI registration cycle.
2464                  * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2465                  * DPRT -> RPRT (vports)
2466                  */
2467                 if (vport->port_type == LPFC_PHYSICAL_PORT) {
2468                         /* For extra Vendor RPA */
2469                         phba->link_flag &= ~LS_CT_VEN_RPA;
2470                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2471                 } else {
2472                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2473                         if (!ndlp)
2474                                 return;
2475                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2476                 }
2477
2478                 /* Since this code path registers all the port attributes
2479                  * we can just return without further checking.
2480                  */
2481                 return;
2482         }
2483
2484         if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2485                 return;
2486
2487         /* Check if the number of mapped NPorts changed */
2488         cnt = lpfc_find_map_node(vport);
2489         if (cnt == vport->fdmi_num_disc)
2490                 return;
2491
2492         if (vport->port_type == LPFC_PHYSICAL_PORT) {
2493                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2494                               LPFC_FDMI_PORT_ATTR_num_disc);
2495         } else {
2496                 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2497                 if (!ndlp)
2498                         return;
2499                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2500                               LPFC_FDMI_PORT_ATTR_num_disc);
2501         }
2502 }
2503
2504 static inline int
2505 lpfc_fdmi_set_attr_u32(void *attr, uint16_t attrtype, uint32_t attrval)
2506 {
2507         struct lpfc_fdmi_attr_u32 *ae = attr;
2508         int size = sizeof(*ae);
2509
2510         ae->type = cpu_to_be16(attrtype);
2511         ae->len = cpu_to_be16(size);
2512         ae->value_u32 = cpu_to_be32(attrval);
2513
2514         return size;
2515 }
2516
2517 static inline int
2518 lpfc_fdmi_set_attr_wwn(void *attr, uint16_t attrtype, struct lpfc_name *wwn)
2519 {
2520         struct lpfc_fdmi_attr_wwn *ae = attr;
2521         int size = sizeof(*ae);
2522
2523         ae->type = cpu_to_be16(attrtype);
2524         ae->len = cpu_to_be16(size);
2525         /* WWN's assumed to be bytestreams - Big Endian presentation */
2526         memcpy(ae->name, wwn,
2527                min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2528
2529         return size;
2530 }
2531
2532 static inline int
2533 lpfc_fdmi_set_attr_fullwwn(void *attr, uint16_t attrtype,
2534                            struct lpfc_name *wwnn, struct lpfc_name *wwpn)
2535 {
2536         struct lpfc_fdmi_attr_fullwwn *ae = attr;
2537         u8 *nname = ae->nname;
2538         u8 *pname = ae->pname;
2539         int size = sizeof(*ae);
2540
2541         ae->type = cpu_to_be16(attrtype);
2542         ae->len = cpu_to_be16(size);
2543         /* WWN's assumed to be bytestreams - Big Endian presentation */
2544         memcpy(nname, wwnn,
2545                min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2546         memcpy(pname, wwpn,
2547                min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2548
2549         return size;
2550 }
2551
2552 static inline int
2553 lpfc_fdmi_set_attr_string(void *attr, uint16_t attrtype, char *attrstring)
2554 {
2555         struct lpfc_fdmi_attr_string *ae = attr;
2556         int len, size;
2557
2558         /*
2559          * We are trusting the caller that if a fdmi string field
2560          * is capped at 64 bytes, the caller passes in a string of
2561          * 64 bytes or less.
2562          */
2563
2564         strncpy(ae->value_string, attrstring, sizeof(ae->value_string));
2565         len = strnlen(ae->value_string, sizeof(ae->value_string));
2566         /* round string length to a 32bit boundary. Ensure there's a NULL */
2567         len += (len & 3) ? (4 - (len & 3)) : 4;
2568         /* size is Type/Len (4 bytes) plus string length */
2569         size = FOURBYTES + len;
2570
2571         ae->type = cpu_to_be16(attrtype);
2572         ae->len = cpu_to_be16(size);
2573
2574         return size;
2575 }
2576
2577 /* Bitfields for FC4 Types that can be reported */
2578 #define ATTR_FC4_CT     0x00000001
2579 #define ATTR_FC4_FCP    0x00000002
2580 #define ATTR_FC4_NVME   0x00000004
2581
2582 static inline int
2583 lpfc_fdmi_set_attr_fc4types(void *attr, uint16_t attrtype, uint32_t typemask)
2584 {
2585         struct lpfc_fdmi_attr_fc4types *ae = attr;
2586         int size = sizeof(*ae);
2587
2588         ae->type = cpu_to_be16(attrtype);
2589         ae->len = cpu_to_be16(size);
2590
2591         if (typemask & ATTR_FC4_FCP)
2592                 ae->value_types[2] = 0x01; /* Type 0x8 - FCP */
2593
2594         if (typemask & ATTR_FC4_CT)
2595                 ae->value_types[7] = 0x01; /* Type 0x20 - CT */
2596
2597         if (typemask & ATTR_FC4_NVME)
2598                 ae->value_types[6] = 0x01; /* Type 0x28 - NVME */
2599
2600         return size;
2601 }
2602
2603 /* Routines for all individual HBA attributes */
2604 static int
2605 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, void *attr)
2606 {
2607         return lpfc_fdmi_set_attr_wwn(attr, RHBA_NODENAME,
2608                         &vport->fc_sparam.nodeName);
2609 }
2610
2611 static int
2612 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport, void *attr)
2613 {
2614         /* This string MUST be consistent with other FC platforms
2615          * supported by Broadcom.
2616          */
2617         return lpfc_fdmi_set_attr_string(attr, RHBA_MANUFACTURER,
2618                         "Emulex Corporation");
2619 }
2620
2621 static int
2622 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, void *attr)
2623 {
2624         struct lpfc_hba *phba = vport->phba;
2625
2626         return lpfc_fdmi_set_attr_string(attr, RHBA_SERIAL_NUMBER,
2627                         phba->SerialNumber);
2628 }
2629
2630 static int
2631 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport, void *attr)
2632 {
2633         struct lpfc_hba *phba = vport->phba;
2634
2635         return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL,
2636                         phba->ModelName);
2637 }
2638
2639 static int
2640 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport, void *attr)
2641 {
2642         struct lpfc_hba *phba = vport->phba;
2643
2644         return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL_DESCRIPTION,
2645                         phba->ModelDesc);
2646 }
2647
2648 static int
2649 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport, void *attr)
2650 {
2651         struct lpfc_hba *phba = vport->phba;
2652         lpfc_vpd_t *vp = &phba->vpd;
2653         char buf[16] = { 0 };
2654
2655         snprintf(buf, sizeof(buf), "%08x", vp->rev.biuRev);
2656
2657         return lpfc_fdmi_set_attr_string(attr, RHBA_HARDWARE_VERSION, buf);
2658 }
2659
2660 static int
2661 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport, void *attr)
2662 {
2663         return lpfc_fdmi_set_attr_string(attr, RHBA_DRIVER_VERSION,
2664                         lpfc_release_version);
2665 }
2666
2667 static int
2668 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport, void *attr)
2669 {
2670         struct lpfc_hba *phba = vport->phba;
2671         char buf[64] = { 0 };
2672
2673         if (phba->sli_rev == LPFC_SLI_REV4) {
2674                 lpfc_decode_firmware_rev(phba, buf, 1);
2675
2676                 return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION,
2677                                 buf);
2678         }
2679
2680         return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION,
2681                         phba->OptionROMVersion);
2682 }
2683
2684 static int
2685 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport, void *attr)
2686 {
2687         struct lpfc_hba *phba = vport->phba;
2688         char buf[64] = { 0 };
2689
2690         lpfc_decode_firmware_rev(phba, buf, 1);
2691
2692         return lpfc_fdmi_set_attr_string(attr, RHBA_FIRMWARE_VERSION, buf);
2693 }
2694
2695 static int
2696 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport, void *attr)
2697 {
2698         char buf[256] = { 0 };
2699
2700         snprintf(buf, sizeof(buf), "%s %s %s",
2701                  init_utsname()->sysname,
2702                  init_utsname()->release,
2703                  init_utsname()->version);
2704
2705         return lpfc_fdmi_set_attr_string(attr, RHBA_OS_NAME_VERSION, buf);
2706 }
2707
2708 static int
2709 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport, void *attr)
2710 {
2711         return lpfc_fdmi_set_attr_u32(attr, RHBA_MAX_CT_PAYLOAD_LEN,
2712                         LPFC_MAX_CT_SIZE);
2713 }
2714
2715 static int
2716 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport, void *attr)
2717 {
2718         char buf[256] = { 0 };
2719
2720         lpfc_vport_symbolic_node_name(vport, buf, sizeof(buf));
2721
2722         return lpfc_fdmi_set_attr_string(attr, RHBA_SYM_NODENAME, buf);
2723 }
2724
2725 static int
2726 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport, void *attr)
2727 {
2728         return lpfc_fdmi_set_attr_u32(attr, RHBA_VENDOR_INFO, 0);
2729 }
2730
2731 static int
2732 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport, void *attr)
2733 {
2734         /* Each driver instance corresponds to a single port */
2735         return lpfc_fdmi_set_attr_u32(attr, RHBA_NUM_PORTS, 1);
2736 }
2737
2738 static int
2739 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport, void *attr)
2740 {
2741         return lpfc_fdmi_set_attr_wwn(attr, RHBA_FABRIC_WWNN,
2742                         &vport->fabric_nodename);
2743 }
2744
2745 static int
2746 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport, void *attr)
2747 {
2748         struct lpfc_hba *phba = vport->phba;
2749
2750         return lpfc_fdmi_set_attr_string(attr, RHBA_BIOS_VERSION,
2751                         phba->BIOSVersion);
2752 }
2753
2754 static int
2755 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport, void *attr)
2756 {
2757         /* Driver doesn't have access to this information */
2758         return lpfc_fdmi_set_attr_u32(attr, RHBA_BIOS_STATE, 0);
2759 }
2760
2761 static int
2762 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport, void *attr)
2763 {
2764         return lpfc_fdmi_set_attr_string(attr, RHBA_VENDOR_ID, "EMULEX");
2765 }
2766
2767 /*
2768  * Routines for all individual PORT attributes
2769  */
2770
2771 static int
2772 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport, void *attr)
2773 {
2774         struct lpfc_hba   *phba = vport->phba;
2775         u32 fc4types;
2776
2777         fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP);
2778
2779         /* Check to see if Firmware supports NVME and on physical port */
2780         if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2781             phba->sli4_hba.pc_sli4_params.nvme)
2782                 fc4types |= ATTR_FC4_NVME;
2783
2784         return lpfc_fdmi_set_attr_fc4types(attr, RPRT_SUPPORTED_FC4_TYPES,
2785                         fc4types);
2786 }
2787
2788 static int
2789 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport, void *attr)
2790 {
2791         struct lpfc_hba *phba = vport->phba;
2792         u32 speeds = 0;
2793         u32 tcfg;
2794         u8 i, cnt;
2795
2796         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2797                 cnt = 0;
2798                 if (phba->sli_rev == LPFC_SLI_REV4) {
2799                         tcfg = phba->sli4_hba.conf_trunk;
2800                         for (i = 0; i < 4; i++, tcfg >>= 1)
2801                                 if (tcfg & 1)
2802                                         cnt++;
2803                 }
2804
2805                 if (cnt > 2) { /* 4 lane trunk group */
2806                         if (phba->lmt & LMT_64Gb)
2807                                 speeds |= HBA_PORTSPEED_256GFC;
2808                         if (phba->lmt & LMT_32Gb)
2809                                 speeds |= HBA_PORTSPEED_128GFC;
2810                         if (phba->lmt & LMT_16Gb)
2811                                 speeds |= HBA_PORTSPEED_64GFC;
2812                 } else if (cnt) { /* 2 lane trunk group */
2813                         if (phba->lmt & LMT_128Gb)
2814                                 speeds |= HBA_PORTSPEED_256GFC;
2815                         if (phba->lmt & LMT_64Gb)
2816                                 speeds |= HBA_PORTSPEED_128GFC;
2817                         if (phba->lmt & LMT_32Gb)
2818                                 speeds |= HBA_PORTSPEED_64GFC;
2819                         if (phba->lmt & LMT_16Gb)
2820                                 speeds |= HBA_PORTSPEED_32GFC;
2821                 } else {
2822                         if (phba->lmt & LMT_256Gb)
2823                                 speeds |= HBA_PORTSPEED_256GFC;
2824                         if (phba->lmt & LMT_128Gb)
2825                                 speeds |= HBA_PORTSPEED_128GFC;
2826                         if (phba->lmt & LMT_64Gb)
2827                                 speeds |= HBA_PORTSPEED_64GFC;
2828                         if (phba->lmt & LMT_32Gb)
2829                                 speeds |= HBA_PORTSPEED_32GFC;
2830                         if (phba->lmt & LMT_16Gb)
2831                                 speeds |= HBA_PORTSPEED_16GFC;
2832                         if (phba->lmt & LMT_10Gb)
2833                                 speeds |= HBA_PORTSPEED_10GFC;
2834                         if (phba->lmt & LMT_8Gb)
2835                                 speeds |= HBA_PORTSPEED_8GFC;
2836                         if (phba->lmt & LMT_4Gb)
2837                                 speeds |= HBA_PORTSPEED_4GFC;
2838                         if (phba->lmt & LMT_2Gb)
2839                                 speeds |= HBA_PORTSPEED_2GFC;
2840                         if (phba->lmt & LMT_1Gb)
2841                                 speeds |= HBA_PORTSPEED_1GFC;
2842                 }
2843         } else {
2844                 /* FCoE links support only one speed */
2845                 switch (phba->fc_linkspeed) {
2846                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2847                         speeds = HBA_PORTSPEED_10GE;
2848                         break;
2849                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2850                         speeds = HBA_PORTSPEED_25GE;
2851                         break;
2852                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2853                         speeds = HBA_PORTSPEED_40GE;
2854                         break;
2855                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2856                         speeds = HBA_PORTSPEED_100GE;
2857                         break;
2858                 }
2859         }
2860
2861         return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_SPEED, speeds);
2862 }
2863
2864 static int
2865 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport, void *attr)
2866 {
2867         struct lpfc_hba   *phba = vport->phba;
2868         u32 speeds = 0;
2869
2870         if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2871                 switch (phba->fc_linkspeed) {
2872                 case LPFC_LINK_SPEED_1GHZ:
2873                         speeds = HBA_PORTSPEED_1GFC;
2874                         break;
2875                 case LPFC_LINK_SPEED_2GHZ:
2876                         speeds = HBA_PORTSPEED_2GFC;
2877                         break;
2878                 case LPFC_LINK_SPEED_4GHZ:
2879                         speeds = HBA_PORTSPEED_4GFC;
2880                         break;
2881                 case LPFC_LINK_SPEED_8GHZ:
2882                         speeds = HBA_PORTSPEED_8GFC;
2883                         break;
2884                 case LPFC_LINK_SPEED_10GHZ:
2885                         speeds = HBA_PORTSPEED_10GFC;
2886                         break;
2887                 case LPFC_LINK_SPEED_16GHZ:
2888                         speeds = HBA_PORTSPEED_16GFC;
2889                         break;
2890                 case LPFC_LINK_SPEED_32GHZ:
2891                         speeds = HBA_PORTSPEED_32GFC;
2892                         break;
2893                 case LPFC_LINK_SPEED_64GHZ:
2894                         speeds = HBA_PORTSPEED_64GFC;
2895                         break;
2896                 case LPFC_LINK_SPEED_128GHZ:
2897                         speeds = HBA_PORTSPEED_128GFC;
2898                         break;
2899                 case LPFC_LINK_SPEED_256GHZ:
2900                         speeds = HBA_PORTSPEED_256GFC;
2901                         break;
2902                 default:
2903                         speeds = HBA_PORTSPEED_UNKNOWN;
2904                         break;
2905                 }
2906         } else {
2907                 switch (phba->fc_linkspeed) {
2908                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2909                         speeds = HBA_PORTSPEED_10GE;
2910                         break;
2911                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2912                         speeds = HBA_PORTSPEED_25GE;
2913                         break;
2914                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2915                         speeds = HBA_PORTSPEED_40GE;
2916                         break;
2917                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2918                         speeds = HBA_PORTSPEED_100GE;
2919                         break;
2920                 default:
2921                         speeds = HBA_PORTSPEED_UNKNOWN;
2922                         break;
2923                 }
2924         }
2925
2926         return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_SPEED, speeds);
2927 }
2928
2929 static int
2930 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport, void *attr)
2931 {
2932         struct serv_parm *hsp = (struct serv_parm *)&vport->fc_sparam;
2933
2934         return lpfc_fdmi_set_attr_u32(attr, RPRT_MAX_FRAME_SIZE,
2935                         (((uint32_t)hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
2936                           (uint32_t)hsp->cmn.bbRcvSizeLsb);
2937 }
2938
2939 static int
2940 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport, void *attr)
2941 {
2942         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2943         char buf[64] = { 0 };
2944
2945         snprintf(buf, sizeof(buf), "/sys/class/scsi_host/host%d",
2946                  shost->host_no);
2947
2948         return lpfc_fdmi_set_attr_string(attr, RPRT_OS_DEVICE_NAME, buf);
2949 }
2950
2951 static int
2952 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport, void *attr)
2953 {
2954         char buf[64] = { 0 };
2955
2956         scnprintf(buf, sizeof(buf), "%s", vport->phba->os_host_name);
2957
2958         return lpfc_fdmi_set_attr_string(attr, RPRT_HOST_NAME, buf);
2959 }
2960
2961 static int
2962 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport, void *attr)
2963 {
2964         return lpfc_fdmi_set_attr_wwn(attr, RPRT_NODENAME,
2965                         &vport->fc_sparam.nodeName);
2966 }
2967
2968 static int
2969 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport, void *attr)
2970 {
2971         return lpfc_fdmi_set_attr_wwn(attr, RPRT_PORTNAME,
2972                         &vport->fc_sparam.portName);
2973 }
2974
2975 static int
2976 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport, void *attr)
2977 {
2978         char buf[256] = { 0 };
2979
2980         lpfc_vport_symbolic_port_name(vport, buf, sizeof(buf));
2981
2982         return lpfc_fdmi_set_attr_string(attr, RPRT_SYM_PORTNAME, buf);
2983 }
2984
2985 static int
2986 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport, void *attr)
2987 {
2988         struct lpfc_hba *phba = vport->phba;
2989
2990         return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_TYPE,
2991                         (phba->fc_topology == LPFC_TOPOLOGY_LOOP) ?
2992                                 LPFC_FDMI_PORTTYPE_NLPORT :
2993                                 LPFC_FDMI_PORTTYPE_NPORT);
2994 }
2995
2996 static int
2997 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport, void *attr)
2998 {
2999         return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_CLASS,
3000                         FC_COS_CLASS2 | FC_COS_CLASS3);
3001 }
3002
3003 static int
3004 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport, void *attr)
3005 {
3006         return lpfc_fdmi_set_attr_wwn(attr, RPRT_FABRICNAME,
3007                         &vport->fabric_portname);
3008 }
3009
3010 static int
3011 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport, void *attr)
3012 {
3013         struct lpfc_hba *phba = vport->phba;
3014         u32 fc4types;
3015
3016         fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP);
3017
3018         /* Check to see if NVME is configured or not */
3019         if (vport == phba->pport &&
3020             phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3021                 fc4types |= ATTR_FC4_NVME;
3022
3023         return lpfc_fdmi_set_attr_fc4types(attr, RPRT_ACTIVE_FC4_TYPES,
3024                         fc4types);
3025 }
3026
3027 static int
3028 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport, void *attr)
3029 {
3030         return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_STATE,
3031                         LPFC_FDMI_PORTSTATE_ONLINE);
3032 }
3033
3034 static int
3035 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport, void *attr)
3036 {
3037         vport->fdmi_num_disc = lpfc_find_map_node(vport);
3038
3039         return lpfc_fdmi_set_attr_u32(attr, RPRT_DISC_PORT,
3040                         vport->fdmi_num_disc);
3041 }
3042
3043 static int
3044 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport, void *attr)
3045 {
3046         return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_ID, vport->fc_myDID);
3047 }
3048
3049 static int
3050 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport, void *attr)
3051 {
3052         return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_SERVICE,
3053                         "Smart SAN Initiator");
3054 }
3055
3056 static int
3057 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport, void *attr)
3058 {
3059         return lpfc_fdmi_set_attr_fullwwn(attr, RPRT_SMART_GUID,
3060                         &vport->fc_sparam.nodeName,
3061                         &vport->fc_sparam.portName);
3062 }
3063
3064 static int
3065 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport, void *attr)
3066 {
3067         return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_VERSION,
3068                         "Smart SAN Version 2.0");
3069 }
3070
3071 static int
3072 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport, void *attr)
3073 {
3074         struct lpfc_hba *phba = vport->phba;
3075
3076         return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_MODEL,
3077                         phba->ModelName);
3078 }
3079
3080 static int
3081 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport, void *attr)
3082 {
3083         /* SRIOV (type 3) is not supported */
3084
3085         return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_PORT_INFO,
3086                         (vport->vpi) ?  2 /* NPIV */ : 1 /* Physical */);
3087 }
3088
3089 static int
3090 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport, void *attr)
3091 {
3092         return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_QOS, 0);
3093 }
3094
3095 static int
3096 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport, void *attr)
3097 {
3098         return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_SECURITY, 1);
3099 }
3100
3101 static int
3102 lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport, void *attr)
3103 {
3104         struct lpfc_hba *phba = vport->phba;
3105         char buf[32] = { 0 };
3106
3107         sprintf(buf, "ELXE2EM:%04d", phba->sli4_hba.pc_sli4_params.mi_ver);
3108
3109         return lpfc_fdmi_set_attr_string(attr, RPRT_VENDOR_MI, buf);
3110 }
3111
3112 /* RHBA attribute jump table */
3113 int (*lpfc_fdmi_hba_action[])
3114         (struct lpfc_vport *vport, void *attrbuf) = {
3115         /* Action routine                 Mask bit     Attribute type */
3116         lpfc_fdmi_hba_attr_wwnn,          /* bit0     RHBA_NODENAME           */
3117         lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
3118         lpfc_fdmi_hba_attr_sn,            /* bit2     RHBA_SERIAL_NUMBER      */
3119         lpfc_fdmi_hba_attr_model,         /* bit3     RHBA_MODEL              */
3120         lpfc_fdmi_hba_attr_description,   /* bit4     RHBA_MODEL_DESCRIPTION  */
3121         lpfc_fdmi_hba_attr_hdw_ver,       /* bit5     RHBA_HARDWARE_VERSION   */
3122         lpfc_fdmi_hba_attr_drvr_ver,      /* bit6     RHBA_DRIVER_VERSION     */
3123         lpfc_fdmi_hba_attr_rom_ver,       /* bit7     RHBA_OPTION_ROM_VERSION */
3124         lpfc_fdmi_hba_attr_fmw_ver,       /* bit8     RHBA_FIRMWARE_VERSION   */
3125         lpfc_fdmi_hba_attr_os_ver,        /* bit9     RHBA_OS_NAME_VERSION    */
3126         lpfc_fdmi_hba_attr_ct_len,        /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
3127         lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
3128         lpfc_fdmi_hba_attr_vendor_info,   /* bit12    RHBA_VENDOR_INFO        */
3129         lpfc_fdmi_hba_attr_num_ports,     /* bit13    RHBA_NUM_PORTS          */
3130         lpfc_fdmi_hba_attr_fabric_wwnn,   /* bit14    RHBA_FABRIC_WWNN        */
3131         lpfc_fdmi_hba_attr_bios_ver,      /* bit15    RHBA_BIOS_VERSION       */
3132         lpfc_fdmi_hba_attr_bios_state,    /* bit16    RHBA_BIOS_STATE         */
3133         lpfc_fdmi_hba_attr_vendor_id,     /* bit17    RHBA_VENDOR_ID          */
3134 };
3135
3136 /* RPA / RPRT attribute jump table */
3137 int (*lpfc_fdmi_port_action[])
3138         (struct lpfc_vport *vport, void *attrbuf) = {
3139         /* Action routine                   Mask bit   Attribute type */
3140         lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
3141         lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
3142         lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
3143         lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
3144         lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
3145         lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
3146         lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
3147         lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
3148         lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
3149         lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
3150         lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
3151         lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
3152         lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
3153         lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
3154         lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
3155         lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
3156         lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
3157         lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
3158         lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
3159         lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
3160         lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
3161         lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
3162         lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
3163         lpfc_fdmi_vendor_attr_mi,           /* bit23  RPRT_VENDOR_MI          */
3164 };
3165
3166 /**
3167  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3168  * @vport: pointer to a host virtual N_Port data structure.
3169  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3170  * @cmdcode: FDMI command to send
3171  * @new_mask: Mask of HBA or PORT Attributes to send
3172  *
3173  * Builds and sends a FDMI command using the CT subsystem.
3174  */
3175 int
3176 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3177               int cmdcode, uint32_t new_mask)
3178 {
3179         struct lpfc_hba *phba = vport->phba;
3180         struct lpfc_dmabuf *rq, *rsp;
3181         struct lpfc_sli_ct_request *CtReq;
3182         struct ulp_bde64_le *bde;
3183         uint32_t bit_pos;
3184         uint32_t size, addsz;
3185         uint32_t rsp_size;
3186         uint32_t mask;
3187         struct lpfc_fdmi_reg_hba *rh;
3188         struct lpfc_fdmi_port_entry *pe;
3189         struct lpfc_fdmi_reg_portattr *pab = NULL, *base = NULL;
3190         struct lpfc_fdmi_attr_block *ab = NULL;
3191         int  (*func)(struct lpfc_vport *vport, void *attrbuf);
3192         void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3193                      struct lpfc_iocbq *rspiocb);
3194
3195         if (!ndlp)
3196                 return 0;
3197
3198         cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3199
3200         /* fill in BDEs for command */
3201         /* Allocate buffer for command payload */
3202         rq = kmalloc(sizeof(*rq), GFP_KERNEL);
3203         if (!rq)
3204                 goto fdmi_cmd_exit;
3205
3206         rq->virt = lpfc_mbuf_alloc(phba, 0, &rq->phys);
3207         if (!rq->virt)
3208                 goto fdmi_cmd_free_rq;
3209
3210         /* Allocate buffer for Buffer ptr list */
3211         rsp = kmalloc(sizeof(*rsp), GFP_KERNEL);
3212         if (!rsp)
3213                 goto fdmi_cmd_free_rqvirt;
3214
3215         rsp->virt = lpfc_mbuf_alloc(phba, 0, &rsp->phys);
3216         if (!rsp->virt)
3217                 goto fdmi_cmd_free_rsp;
3218
3219         INIT_LIST_HEAD(&rq->list);
3220         INIT_LIST_HEAD(&rsp->list);
3221
3222         /* mbuf buffers are 1K in length - aka LPFC_BPL_SIZE */
3223         memset(rq->virt, 0, LPFC_BPL_SIZE);
3224         rsp_size = LPFC_BPL_SIZE;
3225
3226         /* FDMI request */
3227         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3228                          "0218 FDMI Request x%x mask x%x Data: x%x x%x x%x\n",
3229                          cmdcode, new_mask, vport->fdmi_port_mask,
3230                          vport->fc_flag, vport->port_state);
3231
3232         CtReq = (struct lpfc_sli_ct_request *)rq->virt;
3233
3234         /* First populate the CT_IU preamble */
3235         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3236         CtReq->RevisionId.bits.InId = 0;
3237
3238         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3239         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3240
3241         CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3242
3243         size = 0;
3244
3245         /* Next fill in the specific FDMI cmd information */
3246         switch (cmdcode) {
3247         case SLI_MGMT_RHAT:
3248         case SLI_MGMT_RHBA:
3249                 rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un;
3250                 /* HBA Identifier */
3251                 memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3252                        sizeof(struct lpfc_name));
3253                 size += sizeof(struct lpfc_fdmi_hba_ident);
3254
3255                 if (cmdcode == SLI_MGMT_RHBA) {
3256                         /* Registered Port List */
3257                         /* One entry (port) per adapter */
3258                         rh->rpl.EntryCnt = cpu_to_be32(1);
3259                         memcpy(&rh->rpl.pe.PortName,
3260                                &phba->pport->fc_sparam.portName,
3261                                sizeof(struct lpfc_name));
3262                         size += sizeof(struct lpfc_fdmi_reg_port_list);
3263                 }
3264
3265                 ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3266                 ab->EntryCnt = 0;
3267                 size += FOURBYTES;      /* add length of EntryCnt field */
3268
3269                 bit_pos = 0;
3270                 if (new_mask)
3271                         mask = new_mask;
3272                 else
3273                         mask = vport->fdmi_hba_mask;
3274
3275                 /* Mask will dictate what attributes to build in the request */
3276                 while (mask) {
3277                         if (mask & 0x1) {
3278                                 func = lpfc_fdmi_hba_action[bit_pos];
3279                                 addsz = func(vport, ((uint8_t *)rh + size));
3280                                 if (addsz) {
3281                                         ab->EntryCnt++;
3282                                         size += addsz;
3283                                 }
3284                                 /* check if another attribute fits */
3285                                 if ((size + FDMI_MAX_ATTRLEN) >
3286                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3287                                         goto hba_out;
3288                         }
3289                         mask = mask >> 1;
3290                         bit_pos++;
3291                 }
3292 hba_out:
3293                 ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3294                 /* Total size */
3295                 size += GID_REQUEST_SZ - 4;
3296                 break;
3297
3298         case SLI_MGMT_RPRT:
3299                 if (vport->port_type != LPFC_PHYSICAL_PORT) {
3300                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3301                         if (!ndlp)
3302                                 return 0;
3303                 }
3304                 fallthrough;
3305         case SLI_MGMT_RPA:
3306                 /* Store base ptr right after preamble */
3307                 base = (struct lpfc_fdmi_reg_portattr *)&CtReq->un;
3308
3309                 if (cmdcode == SLI_MGMT_RPRT) {
3310                         rh = (struct lpfc_fdmi_reg_hba *)base;
3311                         /* HBA Identifier */
3312                         memcpy(&rh->hi.PortName,
3313                                &phba->pport->fc_sparam.portName,
3314                                sizeof(struct lpfc_name));
3315                         pab = (struct lpfc_fdmi_reg_portattr *)
3316                                 ((uint8_t *)base + sizeof(struct lpfc_name));
3317                         size += sizeof(struct lpfc_name);
3318                 } else {
3319                         pab = base;
3320                 }
3321
3322                 memcpy((uint8_t *)&pab->PortName,
3323                        (uint8_t *)&vport->fc_sparam.portName,
3324                        sizeof(struct lpfc_name));
3325                 pab->ab.EntryCnt = 0;
3326                 /* add length of name and EntryCnt field */
3327                 size += sizeof(struct lpfc_name) + FOURBYTES;
3328
3329                 bit_pos = 0;
3330                 if (new_mask)
3331                         mask = new_mask;
3332                 else
3333                         mask = vport->fdmi_port_mask;
3334
3335                 /* Mask will dictate what attributes to build in the request */
3336                 while (mask) {
3337                         if (mask & 0x1) {
3338                                 func = lpfc_fdmi_port_action[bit_pos];
3339                                 addsz = func(vport, ((uint8_t *)base + size));
3340                                 if (addsz) {
3341                                         pab->ab.EntryCnt++;
3342                                         size += addsz;
3343                                 }
3344                                 /* check if another attribute fits */
3345                                 if ((size + FDMI_MAX_ATTRLEN) >
3346                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3347                                         goto port_out;
3348                         }
3349                         mask = mask >> 1;
3350                         bit_pos++;
3351                 }
3352 port_out:
3353                 pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3354                 size += GID_REQUEST_SZ - 4;
3355                 break;
3356
3357         case SLI_MGMT_GHAT:
3358         case SLI_MGMT_GRPL:
3359                 rsp_size = FC_MAX_NS_RSP;
3360                 fallthrough;
3361         case SLI_MGMT_DHBA:
3362         case SLI_MGMT_DHAT:
3363                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un;
3364                 memcpy((uint8_t *)&pe->PortName,
3365                        (uint8_t *)&vport->fc_sparam.portName,
3366                        sizeof(struct lpfc_name));
3367                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3368                 break;
3369
3370         case SLI_MGMT_GPAT:
3371         case SLI_MGMT_GPAS:
3372                 rsp_size = FC_MAX_NS_RSP;
3373                 fallthrough;
3374         case SLI_MGMT_DPRT:
3375                 if (vport->port_type != LPFC_PHYSICAL_PORT) {
3376                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3377                         if (!ndlp)
3378                                 return 0;
3379                 }
3380                 fallthrough;
3381         case SLI_MGMT_DPA:
3382                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un;
3383                 memcpy((uint8_t *)&pe->PortName,
3384                        (uint8_t *)&vport->fc_sparam.portName,
3385                        sizeof(struct lpfc_name));
3386                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3387                 break;
3388         case SLI_MGMT_GRHL:
3389                 size = GID_REQUEST_SZ - 4;
3390                 break;
3391         default:
3392                 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3393                                  "0298 FDMI cmdcode x%x not supported\n",
3394                                  cmdcode);
3395                 goto fdmi_cmd_free_rspvirt;
3396         }
3397         CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3398
3399         bde = (struct ulp_bde64_le *)rsp->virt;
3400         bde->addr_high = cpu_to_le32(putPaddrHigh(rq->phys));
3401         bde->addr_low = cpu_to_le32(putPaddrLow(rq->phys));
3402         bde->type_size = cpu_to_le32(ULP_BDE64_TYPE_BDE_64 <<
3403                                      ULP_BDE64_TYPE_SHIFT);
3404         bde->type_size |= cpu_to_le32(size);
3405
3406         /*
3407          * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3408          * to hold ndlp reference for the corresponding callback function.
3409          */
3410         if (!lpfc_ct_cmd(vport, rq, rsp, ndlp, cmpl, rsp_size, 0))
3411                 return 0;
3412
3413 fdmi_cmd_free_rspvirt:
3414         lpfc_mbuf_free(phba, rsp->virt, rsp->phys);
3415 fdmi_cmd_free_rsp:
3416         kfree(rsp);
3417 fdmi_cmd_free_rqvirt:
3418         lpfc_mbuf_free(phba, rq->virt, rq->phys);
3419 fdmi_cmd_free_rq:
3420         kfree(rq);
3421 fdmi_cmd_exit:
3422         /* Issue FDMI request failed */
3423         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3424                          "0244 Issue FDMI request failed Data: x%x\n",
3425                          cmdcode);
3426         return 1;
3427 }
3428
3429 /**
3430  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3431  * @t: Context object of the timer.
3432  *
3433  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3434  * the worker thread.
3435  **/
3436 void
3437 lpfc_delayed_disc_tmo(struct timer_list *t)
3438 {
3439         struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3440         struct lpfc_hba   *phba = vport->phba;
3441         uint32_t tmo_posted;
3442         unsigned long iflag;
3443
3444         spin_lock_irqsave(&vport->work_port_lock, iflag);
3445         tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3446         if (!tmo_posted)
3447                 vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3448         spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3449
3450         if (!tmo_posted)
3451                 lpfc_worker_wake_up(phba);
3452         return;
3453 }
3454
3455 /**
3456  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3457  *      handle delayed discovery.
3458  * @vport: pointer to a host virtual N_Port data structure.
3459  *
3460  * This function start nport discovery of the vport.
3461  **/
3462 void
3463 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3464 {
3465         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3466
3467         spin_lock_irq(shost->host_lock);
3468         if (!(vport->fc_flag & FC_DISC_DELAYED)) {
3469                 spin_unlock_irq(shost->host_lock);
3470                 return;
3471         }
3472         vport->fc_flag &= ~FC_DISC_DELAYED;
3473         spin_unlock_irq(shost->host_lock);
3474
3475         lpfc_do_scr_ns_plogi(vport->phba, vport);
3476 }
3477
3478 void
3479 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3480 {
3481         struct lpfc_sli *psli = &phba->sli;
3482         lpfc_vpd_t *vp = &phba->vpd;
3483         uint32_t b1, b2, b3, b4, i, rev;
3484         char c;
3485         uint32_t *ptr, str[4];
3486         uint8_t *fwname;
3487
3488         if (phba->sli_rev == LPFC_SLI_REV4)
3489                 snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3490         else if (vp->rev.rBit) {
3491                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
3492                         rev = vp->rev.sli2FwRev;
3493                 else
3494                         rev = vp->rev.sli1FwRev;
3495
3496                 b1 = (rev & 0x0000f000) >> 12;
3497                 b2 = (rev & 0x00000f00) >> 8;
3498                 b3 = (rev & 0x000000c0) >> 6;
3499                 b4 = (rev & 0x00000030) >> 4;
3500
3501                 switch (b4) {
3502                 case 0:
3503                         c = 'N';
3504                         break;
3505                 case 1:
3506                         c = 'A';
3507                         break;
3508                 case 2:
3509                         c = 'B';
3510                         break;
3511                 case 3:
3512                         c = 'X';
3513                         break;
3514                 default:
3515                         c = 0;
3516                         break;
3517                 }
3518                 b4 = (rev & 0x0000000f);
3519
3520                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
3521                         fwname = vp->rev.sli2FwName;
3522                 else
3523                         fwname = vp->rev.sli1FwName;
3524
3525                 for (i = 0; i < 16; i++)
3526                         if (fwname[i] == 0x20)
3527                                 fwname[i] = 0;
3528
3529                 ptr = (uint32_t*)fwname;
3530
3531                 for (i = 0; i < 3; i++)
3532                         str[i] = be32_to_cpu(*ptr++);
3533
3534                 if (c == 0) {
3535                         if (flag)
3536                                 sprintf(fwrevision, "%d.%d%d (%s)",
3537                                         b1, b2, b3, (char *)str);
3538                         else
3539                                 sprintf(fwrevision, "%d.%d%d", b1,
3540                                         b2, b3);
3541                 } else {
3542                         if (flag)
3543                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3544                                         b1, b2, b3, c,
3545                                         b4, (char *)str);
3546                         else
3547                                 sprintf(fwrevision, "%d.%d%d%c%d",
3548                                         b1, b2, b3, c, b4);
3549                 }
3550         } else {
3551                 rev = vp->rev.smFwRev;
3552
3553                 b1 = (rev & 0xff000000) >> 24;
3554                 b2 = (rev & 0x00f00000) >> 20;
3555                 b3 = (rev & 0x000f0000) >> 16;
3556                 c  = (rev & 0x0000ff00) >> 8;
3557                 b4 = (rev & 0x000000ff);
3558
3559                 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3560         }
3561         return;
3562 }
3563
3564 static void
3565 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3566                       struct lpfc_iocbq *rspiocb)
3567 {
3568         struct lpfc_vport *vport = cmdiocb->vport;
3569         struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
3570         struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
3571         struct lpfc_sli_ct_request *ctcmd = inp->virt;
3572         struct lpfc_sli_ct_request *ctrsp = outp->virt;
3573         u16 rsp = ctrsp->CommandResponse.bits.CmdRsp;
3574         struct app_id_object *app;
3575         struct lpfc_nodelist *ndlp = cmdiocb->ndlp;
3576         u32 cmd, hash, bucket;
3577         struct lpfc_vmid *vmp, *cur;
3578         u8 *data = outp->virt;
3579         int i;
3580
3581         cmd = be16_to_cpu(ctcmd->CommandResponse.bits.CmdRsp);
3582         if (cmd == SLI_CTAS_DALLAPP_ID)
3583                 lpfc_ct_free_iocb(phba, cmdiocb);
3584
3585         if (lpfc_els_chk_latt(vport) || get_job_ulpstatus(phba, rspiocb)) {
3586                 if (cmd != SLI_CTAS_DALLAPP_ID)
3587                         goto free_res;
3588         }
3589         /* Check for a CT LS_RJT response */
3590         if (rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
3591                 if (cmd != SLI_CTAS_DALLAPP_ID)
3592                         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3593                                          "3306 VMID FS_RJT Data: x%x x%x x%x\n",
3594                                          cmd, ctrsp->ReasonCode,
3595                                          ctrsp->Explanation);
3596                 if ((cmd != SLI_CTAS_DALLAPP_ID) ||
3597                     (ctrsp->ReasonCode != SLI_CT_UNABLE_TO_PERFORM_REQ) ||
3598                     (ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) {
3599                         /* If DALLAPP_ID failed retry later */
3600                         if (cmd == SLI_CTAS_DALLAPP_ID)
3601                                 vport->load_flag |= FC_DEREGISTER_ALL_APP_ID;
3602                         goto free_res;
3603                 }
3604         }
3605
3606         switch (cmd) {
3607         case SLI_CTAS_RAPP_IDENT:
3608                 app = (struct app_id_object *)(RAPP_IDENT_OFFSET + data);
3609                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3610                                  "6712 RAPP_IDENT app id %d  port id x%x id "
3611                                  "len %d\n", be32_to_cpu(app->app_id),
3612                                  be32_to_cpu(app->port_id),
3613                                  app->obj.entity_id_len);
3614
3615                 if (app->obj.entity_id_len == 0 || app->port_id == 0)
3616                         goto free_res;
3617
3618                 hash = lpfc_vmid_hash_fn(app->obj.entity_id,
3619                                          app->obj.entity_id_len);
3620                 vmp = lpfc_get_vmid_from_hashtable(vport, hash,
3621                                                   app->obj.entity_id);
3622                 if (vmp) {
3623                         write_lock(&vport->vmid_lock);
3624                         vmp->un.app_id = be32_to_cpu(app->app_id);
3625                         vmp->flag |= LPFC_VMID_REGISTERED;
3626                         vmp->flag &= ~LPFC_VMID_REQ_REGISTER;
3627                         write_unlock(&vport->vmid_lock);
3628                         /* Set IN USE flag */
3629                         vport->vmid_flag |= LPFC_VMID_IN_USE;
3630                 } else {
3631                         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3632                                          "6901 No entry found %s hash %d\n",
3633                                          app->obj.entity_id, hash);
3634                 }
3635                 break;
3636         case SLI_CTAS_DAPP_IDENT:
3637                 app = (struct app_id_object *)(DAPP_IDENT_OFFSET + data);
3638                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3639                                  "6713 DAPP_IDENT app id %d  port id x%x\n",
3640                                  be32_to_cpu(app->app_id),
3641                                  be32_to_cpu(app->port_id));
3642                 break;
3643         case SLI_CTAS_DALLAPP_ID:
3644                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3645                                  "8856 Deregistered all app ids\n");
3646                 read_lock(&vport->vmid_lock);
3647                 for (i = 0; i < phba->cfg_max_vmid; i++) {
3648                         vmp = &vport->vmid[i];
3649                         if (vmp->flag != LPFC_VMID_SLOT_FREE)
3650                                 memset(vmp, 0, sizeof(struct lpfc_vmid));
3651                 }
3652                 read_unlock(&vport->vmid_lock);
3653                 /* for all elements in the hash table */
3654                 if (!hash_empty(vport->hash_table))
3655                         hash_for_each(vport->hash_table, bucket, cur, hnode)
3656                                 hash_del(&cur->hnode);
3657                 vport->load_flag |= FC_ALLOW_VMID;
3658                 break;
3659         default:
3660                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3661                                  "8857 Invalid command code\n");
3662         }
3663 free_res:
3664         lpfc_ct_free_iocb(phba, cmdiocb);
3665         lpfc_nlp_put(ndlp);
3666 }
3667
3668 /**
3669  * lpfc_vmid_cmd - Build and send a FDMI cmd to the specified NPort
3670  * @vport: pointer to a host virtual N_Port data structure.
3671  * @cmdcode: application server command code to send
3672  * @vmid: pointer to vmid info structure
3673  *
3674  * Builds and sends a FDMI command using the CT subsystem.
3675  */
3676 int
3677 lpfc_vmid_cmd(struct lpfc_vport *vport,
3678               int cmdcode, struct lpfc_vmid *vmid)
3679 {
3680         struct lpfc_hba *phba = vport->phba;
3681         struct lpfc_dmabuf *mp, *bmp;
3682         struct lpfc_sli_ct_request *ctreq;
3683         struct ulp_bde64 *bpl;
3684         u32 size;
3685         u32 rsp_size;
3686         u8 *data;
3687         struct lpfc_vmid_rapp_ident_list *rap;
3688         struct lpfc_vmid_dapp_ident_list *dap;
3689         u8 retry = 0;
3690         struct lpfc_nodelist *ndlp;
3691
3692         void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3693                      struct lpfc_iocbq *rspiocb);
3694
3695         ndlp = lpfc_findnode_did(vport, FDMI_DID);
3696         if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
3697                 return 0;
3698
3699         cmpl = lpfc_cmpl_ct_cmd_vmid;
3700
3701         /* fill in BDEs for command */
3702         /* Allocate buffer for command payload */
3703         mp = kmalloc(sizeof(*mp), GFP_KERNEL);
3704         if (!mp)
3705                 goto vmid_free_mp_exit;
3706
3707         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3708         if (!mp->virt)
3709                 goto vmid_free_mp_virt_exit;
3710
3711         /* Allocate buffer for Buffer ptr list */
3712         bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
3713         if (!bmp)
3714                 goto vmid_free_bmp_exit;
3715
3716         bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
3717         if (!bmp->virt)
3718                 goto vmid_free_bmp_virt_exit;
3719
3720         INIT_LIST_HEAD(&mp->list);
3721         INIT_LIST_HEAD(&bmp->list);
3722
3723         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3724                          "3275 VMID Request Data: x%x x%x x%x\n",
3725                          vport->fc_flag, vport->port_state, cmdcode);
3726         ctreq = (struct lpfc_sli_ct_request *)mp->virt;
3727         data = mp->virt;
3728         /* First populate the CT_IU preamble */
3729         memset(data, 0, LPFC_BPL_SIZE);
3730         ctreq->RevisionId.bits.Revision = SLI_CT_REVISION;
3731         ctreq->RevisionId.bits.InId = 0;
3732
3733         ctreq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3734         ctreq->FsSubType = SLI_CT_APP_SEV_Subtypes;
3735
3736         ctreq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3737         rsp_size = LPFC_BPL_SIZE;
3738         size = 0;
3739
3740         switch (cmdcode) {
3741         case SLI_CTAS_RAPP_IDENT:
3742                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3743                                  "1329 RAPP_IDENT for %s\n", vmid->host_vmid);
3744                 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3745                 rap = (struct lpfc_vmid_rapp_ident_list *)
3746                         (DAPP_IDENT_OFFSET + data);
3747                 rap->no_of_objects = cpu_to_be32(1);
3748                 rap->obj[0].entity_id_len = vmid->vmid_len;
3749                 memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3750                 size = RAPP_IDENT_OFFSET +
3751                         sizeof(struct lpfc_vmid_rapp_ident_list);
3752                 retry = 1;
3753                 break;
3754
3755         case SLI_CTAS_GALLAPPIA_ID:
3756                 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3757                 size = GALLAPPIA_ID_SIZE;
3758                 break;
3759
3760         case SLI_CTAS_DAPP_IDENT:
3761                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3762                                  "1469 DAPP_IDENT for %s\n", vmid->host_vmid);
3763                 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3764                 dap = (struct lpfc_vmid_dapp_ident_list *)
3765                         (DAPP_IDENT_OFFSET + data);
3766                 dap->no_of_objects = cpu_to_be32(1);
3767                 dap->obj[0].entity_id_len = vmid->vmid_len;
3768                 memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3769                 size = DAPP_IDENT_OFFSET +
3770                         sizeof(struct lpfc_vmid_dapp_ident_list);
3771                 write_lock(&vport->vmid_lock);
3772                 vmid->flag &= ~LPFC_VMID_REGISTERED;
3773                 write_unlock(&vport->vmid_lock);
3774                 retry = 1;
3775                 break;
3776
3777         case SLI_CTAS_DALLAPP_ID:
3778                 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3779                 size = DALLAPP_ID_SIZE;
3780                 break;
3781
3782         default:
3783                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3784                                  "7062 VMID cmdcode x%x not supported\n",
3785                                  cmdcode);
3786                 goto vmid_free_all_mem;
3787         }
3788
3789         ctreq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3790
3791         bpl = (struct ulp_bde64 *)bmp->virt;
3792         bpl->addrHigh = putPaddrHigh(mp->phys);
3793         bpl->addrLow = putPaddrLow(mp->phys);
3794         bpl->tus.f.bdeFlags = 0;
3795         bpl->tus.f.bdeSize = size;
3796
3797         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3798          * to hold ndlp reference for the corresponding callback function.
3799          */
3800         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry))
3801                 return 0;
3802
3803  vmid_free_all_mem:
3804         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3805  vmid_free_bmp_virt_exit:
3806         kfree(bmp);
3807  vmid_free_bmp_exit:
3808         lpfc_mbuf_free(phba, mp->virt, mp->phys);
3809  vmid_free_mp_virt_exit:
3810         kfree(mp);
3811  vmid_free_mp_exit:
3812
3813         /* Issue CT request failed */
3814         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3815                          "3276 VMID CT request failed Data: x%x\n", cmdcode);
3816         return -EIO;
3817 }