linux/drivers/scsi/lpfc/lpfc_ct.c
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   1/*******************************************************************
   2 * This file is part of the Emulex Linux Device Driver for         *
   3 * Fibre Channel Host Bus Adapters.                                *
   4 * Copyright (C) 2017-2021 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
  77static char *lpfc_release_version = LPFC_DRIVER_VERSION;
  78static void
  79lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
  80                      struct lpfc_iocbq *rspiocb);
  81
  82static void
  83lpfc_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                                piocbq->iocb.ulpStatus);
  91        }
  92        lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  93                        "0145 Ignoring unsolicted CT HBQ Size:%d "
  94                        "status = x%x\n",
  95                        size, piocbq->iocb.ulpStatus);
  96}
  97
  98static void
  99lpfc_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 **/
 114static void
 115lpfc_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 = (struct lpfc_nodelist *)cmdiocb->context1;
 122        if (ndlp)
 123                lpfc_nlp_put(ndlp);
 124
 125        mp = cmdiocb->context2;
 126        bmp = cmdiocb->context3;
 127        if (mp) {
 128                lpfc_mbuf_free(phba, mp->virt, mp->phys);
 129                kfree(mp);
 130                cmdiocb->context2 = NULL;
 131        }
 132
 133        if (bmp) {
 134                lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
 135                kfree(bmp);
 136                cmdiocb->context3 = 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 * @rx_id: rx_id of the 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 **/
 152static void
 153lpfc_ct_reject_event(struct lpfc_nodelist *ndlp,
 154                     struct lpfc_sli_ct_request *ct_req,
 155                     u16 rx_id, 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        IOCB_t *icmd;
 165        u8 rc = 0;
 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_BLP_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        icmd = &cmdiocbq->iocb;
 224        icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 225        icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 226        icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 227        icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 228        icmd->un.genreq64.bdl.bdeSize = sizeof(struct ulp_bde64);
 229        icmd->un.genreq64.w5.hcsw.Fctl = (LS | LA);
 230        icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 231        icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_SOL_CTL;
 232        icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 233        icmd->ulpCommand = CMD_XMIT_SEQUENCE64_CX;
 234        icmd->ulpBdeCount = 1;
 235        icmd->ulpLe = 1;
 236        icmd->ulpClass = CLASS3;
 237
 238        /* Save for completion so we can release these resources */
 239        cmdiocbq->context1 = lpfc_nlp_get(ndlp);
 240        cmdiocbq->context2 = (uint8_t *)mp;
 241        cmdiocbq->context3 = (uint8_t *)bmp;
 242        cmdiocbq->iocb_cmpl = lpfc_ct_unsol_cmpl;
 243        icmd->ulpContext = rx_id;  /* Xri / rx_id */
 244        icmd->unsli3.rcvsli3.ox_id = ox_id;
 245        icmd->un.ulpWord[3] =
 246                phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 247        icmd->ulpTimeout = (3 * phba->fc_ratov);
 248
 249        cmdiocbq->retry = 0;
 250        cmdiocbq->vport = vport;
 251        cmdiocbq->context_un.ndlp = NULL;
 252        cmdiocbq->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 253
 254        rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
 255        if (!rc)
 256                return;
 257
 258        rc = 6;
 259        lpfc_nlp_put(ndlp);
 260        lpfc_sli_release_iocbq(phba, cmdiocbq);
 261ct_free_bmpvirt:
 262        lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
 263ct_free_bmp:
 264        kfree(bmp);
 265ct_free_mpvirt:
 266        lpfc_mbuf_free(phba, mp->virt, mp->phys);
 267ct_free_mp:
 268        kfree(mp);
 269ct_exit:
 270        lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 271                         "6440 Unsol CT: Rsp err %d Data: x%x\n",
 272                         rc, vport->fc_flag);
 273}
 274
 275/**
 276 * lpfc_ct_handle_mibreq - Process an unsolicited CT MIB request data buffer
 277 * @phba: pointer to lpfc hba data structure.
 278 * @ctiocbq: pointer to lpfc CT command iocb data structure.
 279 *
 280 * This routine is used for processing the IOCB associated with a unsolicited
 281 * CT MIB request. It first determines whether there is an existing ndlp that
 282 * matches the DID from the unsolicited IOCB. If not, it will return.
 283 **/
 284static void
 285lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq)
 286{
 287        struct lpfc_sli_ct_request *ct_req;
 288        struct lpfc_nodelist *ndlp = NULL;
 289        struct lpfc_vport *vport = NULL;
 290        IOCB_t *icmd = &ctiocbq->iocb;
 291        u32 mi_cmd, vpi;
 292        u32 did = 0;
 293
 294        vpi = ctiocbq->iocb.unsli3.rcvsli3.vpi;
 295        vport = lpfc_find_vport_by_vpid(phba, vpi);
 296        if (!vport) {
 297                lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
 298                                "6437 Unsol CT: VPORT NULL vpi : x%x\n",
 299                                vpi);
 300                return;
 301        }
 302
 303        did = ctiocbq->iocb.un.rcvels.remoteID;
 304        if (icmd->ulpStatus) {
 305                lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 306                                 "6438 Unsol CT: status:x%x/x%x did : x%x\n",
 307                                 icmd->ulpStatus, icmd->un.ulpWord[4], did);
 308                return;
 309        }
 310
 311        /* Ignore traffic received during vport shutdown */
 312        if (vport->fc_flag & FC_UNLOADING)
 313                return;
 314
 315        ndlp = lpfc_findnode_did(vport, did);
 316        if (!ndlp) {
 317                lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 318                                 "6439 Unsol CT: NDLP Not Found for DID : x%x",
 319                                 did);
 320                return;
 321        }
 322
 323        ct_req = ((struct lpfc_sli_ct_request *)
 324                 (((struct lpfc_dmabuf *)ctiocbq->context2)->virt));
 325
 326        mi_cmd = ct_req->CommandResponse.bits.CmdRsp;
 327        lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 328                         "6442 : MI Cmd : x%x Not Supported\n", mi_cmd);
 329        lpfc_ct_reject_event(ndlp, ct_req,
 330                             ctiocbq->iocb.ulpContext,
 331                             ctiocbq->iocb.unsli3.rcvsli3.ox_id);
 332}
 333
 334/**
 335 * lpfc_ct_unsol_event - Process an unsolicited event from a ct sli ring
 336 * @phba: pointer to lpfc hba data structure.
 337 * @pring: pointer to a SLI ring.
 338 * @ctiocbq: pointer to lpfc ct iocb data structure.
 339 *
 340 * This routine is used to process an unsolicited event received from a SLI
 341 * (Service Level Interface) ring. The actual processing of the data buffer
 342 * associated with the unsolicited event is done by invoking appropriate routine
 343 * after properly set up the iocb buffer from the SLI ring on which the
 344 * unsolicited event was received.
 345 **/
 346void
 347lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 348                    struct lpfc_iocbq *ctiocbq)
 349{
 350        struct lpfc_dmabuf *mp = NULL;
 351        IOCB_t *icmd = &ctiocbq->iocb;
 352        int i;
 353        struct lpfc_iocbq *iocbq;
 354        dma_addr_t dma_addr;
 355        uint32_t size;
 356        struct list_head head;
 357        struct lpfc_sli_ct_request *ct_req;
 358        struct lpfc_dmabuf *bdeBuf1 = ctiocbq->context2;
 359        struct lpfc_dmabuf *bdeBuf2 = ctiocbq->context3;
 360
 361        ctiocbq->context1 = NULL;
 362        ctiocbq->context2 = NULL;
 363        ctiocbq->context3 = NULL;
 364
 365        if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
 366                lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
 367        } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 368                   ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
 369                   IOERR_RCV_BUFFER_WAITING)) {
 370                /* Not enough posted buffers; Try posting more buffers */
 371                phba->fc_stat.NoRcvBuf++;
 372                if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 373                        lpfc_post_buffer(phba, pring, 2);
 374                return;
 375        }
 376
 377        /* If there are no BDEs associated
 378         * with this IOCB, there is nothing to do.
 379         */
 380        if (icmd->ulpBdeCount == 0)
 381                return;
 382
 383        if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 384                ctiocbq->context2 = bdeBuf1;
 385                if (icmd->ulpBdeCount == 2)
 386                        ctiocbq->context3 = bdeBuf2;
 387        } else {
 388                dma_addr = getPaddr(icmd->un.cont64[0].addrHigh,
 389                                    icmd->un.cont64[0].addrLow);
 390                ctiocbq->context2 = lpfc_sli_ringpostbuf_get(phba, pring,
 391                                                             dma_addr);
 392                if (icmd->ulpBdeCount == 2) {
 393                        dma_addr = getPaddr(icmd->un.cont64[1].addrHigh,
 394                                            icmd->un.cont64[1].addrLow);
 395                        ctiocbq->context3 = lpfc_sli_ringpostbuf_get(phba,
 396                                                                     pring,
 397                                                                     dma_addr);
 398                }
 399        }
 400
 401        ct_req = ((struct lpfc_sli_ct_request *)
 402                 (((struct lpfc_dmabuf *)ctiocbq->context2)->virt));
 403
 404        if (ct_req->FsType == SLI_CT_MANAGEMENT_SERVICE &&
 405            ct_req->FsSubType == SLI_CT_MIB_Subtypes) {
 406                lpfc_ct_handle_mibreq(phba, ctiocbq);
 407        } else {
 408                if (!lpfc_bsg_ct_unsol_event(phba, pring, ctiocbq))
 409                        return;
 410        }
 411
 412        if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 413                INIT_LIST_HEAD(&head);
 414                list_add_tail(&head, &ctiocbq->list);
 415                list_for_each_entry(iocbq, &head, list) {
 416                        icmd = &iocbq->iocb;
 417                        if (icmd->ulpBdeCount == 0)
 418                                continue;
 419                        bdeBuf1 = iocbq->context2;
 420                        iocbq->context2 = NULL;
 421                        size  = icmd->un.cont64[0].tus.f.bdeSize;
 422                        lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size);
 423                        lpfc_in_buf_free(phba, bdeBuf1);
 424                        if (icmd->ulpBdeCount == 2) {
 425                                bdeBuf2 = iocbq->context3;
 426                                iocbq->context3 = NULL;
 427                                size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
 428                                lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2,
 429                                                     size);
 430                                lpfc_in_buf_free(phba, bdeBuf2);
 431                        }
 432                }
 433                list_del(&head);
 434        } else {
 435                INIT_LIST_HEAD(&head);
 436                list_add_tail(&head, &ctiocbq->list);
 437                list_for_each_entry(iocbq, &head, list) {
 438                        icmd = &iocbq->iocb;
 439                        if (icmd->ulpBdeCount == 0)
 440                                lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 441                        for (i = 0; i < icmd->ulpBdeCount; i++) {
 442                                dma_addr = getPaddr(icmd->un.cont64[i].addrHigh,
 443                                                    icmd->un.cont64[i].addrLow);
 444                                mp = lpfc_sli_ringpostbuf_get(phba, pring,
 445                                                              dma_addr);
 446                                size = icmd->un.cont64[i].tus.f.bdeSize;
 447                                lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 448                                lpfc_in_buf_free(phba, mp);
 449                        }
 450                        lpfc_post_buffer(phba, pring, i);
 451                }
 452                list_del(&head);
 453        }
 454}
 455
 456/**
 457 * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
 458 * @phba: Pointer to HBA context object.
 459 * @dmabuf: pointer to a dmabuf that describes the FC sequence
 460 *
 461 * This function serves as the upper level protocol abort handler for CT
 462 * protocol.
 463 *
 464 * Return 1 if abort has been handled, 0 otherwise.
 465 **/
 466int
 467lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
 468{
 469        int handled;
 470
 471        /* CT upper level goes through BSG */
 472        handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
 473
 474        return handled;
 475}
 476
 477static void
 478lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 479{
 480        struct lpfc_dmabuf *mlast, *next_mlast;
 481
 482        list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 483                lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 484                list_del(&mlast->list);
 485                kfree(mlast);
 486        }
 487        lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 488        kfree(mlist);
 489        return;
 490}
 491
 492static struct lpfc_dmabuf *
 493lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 494                  uint32_t size, int *entries)
 495{
 496        struct lpfc_dmabuf *mlist = NULL;
 497        struct lpfc_dmabuf *mp;
 498        int cnt, i = 0;
 499
 500        /* We get chunks of FCELSSIZE */
 501        cnt = size > FCELSSIZE ? FCELSSIZE: size;
 502
 503        while (size) {
 504                /* Allocate buffer for rsp payload */
 505                mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 506                if (!mp) {
 507                        if (mlist)
 508                                lpfc_free_ct_rsp(phba, mlist);
 509                        return NULL;
 510                }
 511
 512                INIT_LIST_HEAD(&mp->list);
 513
 514                if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 515                    cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 516                        mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 517                else
 518                        mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 519
 520                if (!mp->virt) {
 521                        kfree(mp);
 522                        if (mlist)
 523                                lpfc_free_ct_rsp(phba, mlist);
 524                        return NULL;
 525                }
 526
 527                /* Queue it to a linked list */
 528                if (!mlist)
 529                        mlist = mp;
 530                else
 531                        list_add_tail(&mp->list, &mlist->list);
 532
 533                bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 534                /* build buffer ptr list for IOCB */
 535                bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 536                bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 537                bpl->tus.f.bdeSize = (uint16_t) cnt;
 538                bpl->tus.w = le32_to_cpu(bpl->tus.w);
 539                bpl++;
 540
 541                i++;
 542                size -= cnt;
 543        }
 544
 545        *entries = i;
 546        return mlist;
 547}
 548
 549int
 550lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 551{
 552        struct lpfc_dmabuf *buf_ptr;
 553
 554        /* I/O job is complete so context is now invalid*/
 555        ctiocb->context_un.ndlp = NULL;
 556        if (ctiocb->context1) {
 557                buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
 558                lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 559                kfree(buf_ptr);
 560                ctiocb->context1 = NULL;
 561        }
 562        if (ctiocb->context2) {
 563                lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
 564                ctiocb->context2 = NULL;
 565        }
 566
 567        if (ctiocb->context3) {
 568                buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
 569                lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 570                kfree(buf_ptr);
 571                ctiocb->context3 = NULL;
 572        }
 573        lpfc_sli_release_iocbq(phba, ctiocb);
 574        return 0;
 575}
 576
 577/*
 578 * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
 579 * @vport: pointer to a host virtual N_Port data structure.
 580 * @bmp: Pointer to BPL for SLI command
 581 * @inp: Pointer to data buffer for response data.
 582 * @outp: Pointer to data buffer that hold the CT command.
 583 * @cmpl: completion routine to call when command completes
 584 * @ndlp: Destination NPort nodelist entry
 585 *
 586 * This function as the final part for issuing a CT command.
 587 */
 588static int
 589lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 590             struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 591             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 592                     struct lpfc_iocbq *),
 593             struct lpfc_nodelist *ndlp, uint32_t event_tag, uint32_t num_entry,
 594             uint32_t tmo, uint8_t retry)
 595{
 596        struct lpfc_hba  *phba = vport->phba;
 597        IOCB_t *icmd;
 598        struct lpfc_iocbq *geniocb;
 599        int rc;
 600
 601        /* Allocate buffer for  command iocb */
 602        geniocb = lpfc_sli_get_iocbq(phba);
 603
 604        if (geniocb == NULL)
 605                return 1;
 606
 607        icmd = &geniocb->iocb;
 608        icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 609        icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 610        icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 611        icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 612        icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64));
 613
 614        geniocb->context3 = (uint8_t *) bmp;
 615
 616        /* Save for completion so we can release these resources */
 617        geniocb->context1 = (uint8_t *) inp;
 618        geniocb->context2 = (uint8_t *) outp;
 619
 620        geniocb->event_tag = event_tag;
 621
 622        /* Fill in payload, bp points to frame payload */
 623        icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
 624
 625        /* Fill in rest of iocb */
 626        icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 627        icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 628        icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
 629        icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 630
 631        if (!tmo) {
 632                 /* FC spec states we need 3 * ratov for CT requests */
 633                tmo = (3 * phba->fc_ratov);
 634        }
 635        icmd->ulpTimeout = tmo;
 636        icmd->ulpBdeCount = 1;
 637        icmd->ulpLe = 1;
 638        icmd->ulpClass = CLASS3;
 639        icmd->ulpContext = ndlp->nlp_rpi;
 640        if (phba->sli_rev == LPFC_SLI_REV4)
 641                icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 642
 643        if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 644                /* For GEN_REQUEST64_CR, use the RPI */
 645                icmd->ulpCt_h = 0;
 646                icmd->ulpCt_l = 0;
 647        }
 648
 649        /* Issue GEN REQ IOCB for NPORT <did> */
 650        lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 651                         "0119 Issue GEN REQ IOCB to NPORT x%x "
 652                         "Data: x%x x%x\n",
 653                         ndlp->nlp_DID, icmd->ulpIoTag,
 654                         vport->port_state);
 655        geniocb->iocb_cmpl = cmpl;
 656        geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 657        geniocb->vport = vport;
 658        geniocb->retry = retry;
 659        geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
 660        if (!geniocb->context_un.ndlp)
 661                goto out;
 662        rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
 663
 664        if (rc == IOCB_ERROR) {
 665                geniocb->context_un.ndlp = NULL;
 666                lpfc_nlp_put(ndlp);
 667                goto out;
 668        }
 669
 670        return 0;
 671out:
 672        lpfc_sli_release_iocbq(phba, geniocb);
 673        return 1;
 674}
 675
 676/*
 677 * lpfc_ct_cmd - Build and issue a CT command
 678 * @vport: pointer to a host virtual N_Port data structure.
 679 * @inmp: Pointer to data buffer for response data.
 680 * @bmp: Pointer to BPL for SLI command
 681 * @ndlp: Destination NPort nodelist entry
 682 * @cmpl: completion routine to call when command completes
 683 *
 684 * This function is called for issuing a CT command.
 685 */
 686static int
 687lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 688            struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 689            void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 690                          struct lpfc_iocbq *),
 691            uint32_t rsp_size, uint8_t retry)
 692{
 693        struct lpfc_hba  *phba = vport->phba;
 694        struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 695        struct lpfc_dmabuf *outmp;
 696        int cnt = 0, status;
 697        int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 698                CommandResponse.bits.CmdRsp;
 699
 700        bpl++;                  /* Skip past ct request */
 701
 702        /* Put buffer(s) for ct rsp in bpl */
 703        outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 704        if (!outmp)
 705                return -ENOMEM;
 706        /*
 707         * Form the CT IOCB.  The total number of BDEs in this IOCB
 708         * is the single command plus response count from
 709         * lpfc_alloc_ct_rsp.
 710         */
 711        cnt += 1;
 712        status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp,
 713                        phba->fc_eventTag, cnt, 0, retry);
 714        if (status) {
 715                lpfc_free_ct_rsp(phba, outmp);
 716                return -ENOMEM;
 717        }
 718        return 0;
 719}
 720
 721struct lpfc_vport *
 722lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 723        struct lpfc_vport *vport_curr;
 724        unsigned long flags;
 725
 726        spin_lock_irqsave(&phba->port_list_lock, flags);
 727        list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 728                if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 729                        spin_unlock_irqrestore(&phba->port_list_lock, flags);
 730                        return vport_curr;
 731                }
 732        }
 733        spin_unlock_irqrestore(&phba->port_list_lock, flags);
 734        return NULL;
 735}
 736
 737static void
 738lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 739{
 740        struct lpfc_nodelist *ndlp;
 741
 742        if ((vport->port_type != LPFC_NPIV_PORT) ||
 743            !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
 744
 745                ndlp = lpfc_setup_disc_node(vport, Did);
 746
 747                if (ndlp) {
 748                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 749                                "Parse GID_FTrsp: did:x%x flg:x%x x%x",
 750                                Did, ndlp->nlp_flag, vport->fc_flag);
 751
 752                        /* By default, the driver expects to support FCP FC4 */
 753                        if (fc4_type == FC_TYPE_FCP)
 754                                ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 755
 756                        if (fc4_type == FC_TYPE_NVME)
 757                                ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 758
 759                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 760                                         "0238 Process x%06x NameServer Rsp "
 761                                         "Data: x%x x%x x%x x%x x%x\n", Did,
 762                                         ndlp->nlp_flag, ndlp->nlp_fc4_type,
 763                                         ndlp->nlp_state, vport->fc_flag,
 764                                         vport->fc_rscn_id_cnt);
 765
 766                        /* if ndlp needs to be discovered and prior
 767                         * state of ndlp hit devloss, change state to
 768                         * allow rediscovery.
 769                         */
 770                        if (ndlp->nlp_flag & NLP_NPR_2B_DISC &&
 771                            ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
 772                                lpfc_nlp_set_state(vport, ndlp,
 773                                                   NLP_STE_NPR_NODE);
 774                        }
 775                } else {
 776                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 777                                "Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 778                                Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 779
 780                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 781                                         "0239 Skip x%06x NameServer Rsp "
 782                                         "Data: x%x x%x x%px\n",
 783                                         Did, vport->fc_flag,
 784                                         vport->fc_rscn_id_cnt, ndlp);
 785                }
 786        } else {
 787                if (!(vport->fc_flag & FC_RSCN_MODE) ||
 788                    lpfc_rscn_payload_check(vport, Did)) {
 789                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 790                                "Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
 791                                Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 792
 793                        /*
 794                         * This NPortID was previously a FCP/NVMe target,
 795                         * Don't even bother to send GFF_ID.
 796                         */
 797                        ndlp = lpfc_findnode_did(vport, Did);
 798                        if (ndlp &&
 799                            (ndlp->nlp_type &
 800                            (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
 801                                if (fc4_type == FC_TYPE_FCP)
 802                                        ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 803                                if (fc4_type == FC_TYPE_NVME)
 804                                        ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 805                                lpfc_setup_disc_node(vport, Did);
 806                        } else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 807                                   0, Did) == 0)
 808                                vport->num_disc_nodes++;
 809                        else
 810                                lpfc_setup_disc_node(vport, Did);
 811                } else {
 812                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 813                                "Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 814                                Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 815
 816                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 817                                         "0245 Skip x%06x NameServer Rsp "
 818                                         "Data: x%x x%x\n", Did,
 819                                         vport->fc_flag,
 820                                         vport->fc_rscn_id_cnt);
 821                }
 822        }
 823}
 824
 825static void
 826lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 827{
 828        struct lpfc_hba *phba = vport->phba;
 829        struct lpfc_nodelist *ndlp = NULL;
 830        char *str;
 831
 832        if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
 833                str = "GID_FT";
 834        else
 835                str = "GID_PT";
 836        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 837                         "6430 Process %s rsp for %08x type %x %s %s\n",
 838                         str, Did, fc4_type,
 839                         (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
 840                         (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
 841        /*
 842         * To conserve rpi's, filter out addresses for other
 843         * vports on the same physical HBAs.
 844         */
 845        if (Did != vport->fc_myDID &&
 846            (!lpfc_find_vport_by_did(phba, Did) ||
 847             vport->cfg_peer_port_login)) {
 848                if (!phba->nvmet_support) {
 849                        /* FCPI/NVMEI path. Process Did */
 850                        lpfc_prep_node_fc4type(vport, Did, fc4_type);
 851                        return;
 852                }
 853                /* NVMET path.  NVMET only cares about NVMEI nodes. */
 854                list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 855                        if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
 856                            ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
 857                                continue;
 858                        spin_lock_irq(&ndlp->lock);
 859                        if (ndlp->nlp_DID == Did)
 860                                ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 861                        else
 862                                ndlp->nlp_flag |= NLP_NVMET_RECOV;
 863                        spin_unlock_irq(&ndlp->lock);
 864                }
 865        }
 866}
 867
 868static int
 869lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
 870            uint32_t Size)
 871{
 872        struct lpfc_sli_ct_request *Response =
 873                (struct lpfc_sli_ct_request *) mp->virt;
 874        struct lpfc_dmabuf *mlast, *next_mp;
 875        uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 876        uint32_t Did, CTentry;
 877        int Cnt;
 878        struct list_head head;
 879        struct lpfc_nodelist *ndlp = NULL;
 880
 881        lpfc_set_disctmo(vport);
 882        vport->num_disc_nodes = 0;
 883        vport->fc_ns_retry = 0;
 884
 885
 886        list_add_tail(&head, &mp->list);
 887        list_for_each_entry_safe(mp, next_mp, &head, list) {
 888                mlast = mp;
 889
 890                Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 891
 892                Size -= Cnt;
 893
 894                if (!ctptr) {
 895                        ctptr = (uint32_t *) mlast->virt;
 896                } else
 897                        Cnt -= 16;      /* subtract length of CT header */
 898
 899                /* Loop through entire NameServer list of DIDs */
 900                while (Cnt >= sizeof(uint32_t)) {
 901                        /* Get next DID from NameServer List */
 902                        CTentry = *ctptr++;
 903                        Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 904                        lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
 905                        if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
 906                                goto nsout1;
 907
 908                        Cnt -= sizeof(uint32_t);
 909                }
 910                ctptr = NULL;
 911
 912        }
 913
 914        /* All GID_FT entries processed.  If the driver is running in
 915         * in target mode, put impacted nodes into recovery and drop
 916         * the RPI to flush outstanding IO.
 917         */
 918        if (vport->phba->nvmet_support) {
 919                list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 920                        if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
 921                                continue;
 922                        lpfc_disc_state_machine(vport, ndlp, NULL,
 923                                                NLP_EVT_DEVICE_RECOVERY);
 924                        spin_lock_irq(&ndlp->lock);
 925                        ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 926                        spin_unlock_irq(&ndlp->lock);
 927                }
 928        }
 929
 930nsout1:
 931        list_del(&head);
 932        return 0;
 933}
 934
 935static void
 936lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 937                        struct lpfc_iocbq *rspiocb)
 938{
 939        struct lpfc_vport *vport = cmdiocb->vport;
 940        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 941        IOCB_t *irsp;
 942        struct lpfc_dmabuf *outp;
 943        struct lpfc_dmabuf *inp;
 944        struct lpfc_sli_ct_request *CTrsp;
 945        struct lpfc_sli_ct_request *CTreq;
 946        struct lpfc_nodelist *ndlp;
 947        int rc, type;
 948
 949        /* First save ndlp, before we overwrite it */
 950        ndlp = cmdiocb->context_un.ndlp;
 951
 952        /* we pass cmdiocb to state machine which needs rspiocb as well */
 953        cmdiocb->context_un.rsp_iocb = rspiocb;
 954        inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 955        outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 956        irsp = &rspiocb->iocb;
 957
 958        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 959                 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 960                irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 961
 962        /* Ignore response if link flipped after this request was made */
 963        if (cmdiocb->event_tag != phba->fc_eventTag) {
 964                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 965                                 "9043 Event tag mismatch. Ignoring NS rsp\n");
 966                goto out;
 967        }
 968
 969        /* Don't bother processing response if vport is being torn down. */
 970        if (vport->load_flag & FC_UNLOADING) {
 971                if (vport->fc_flag & FC_RSCN_MODE)
 972                        lpfc_els_flush_rscn(vport);
 973                goto out;
 974        }
 975
 976        if (lpfc_els_chk_latt(vport)) {
 977                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 978                                 "0216 Link event during NS query\n");
 979                if (vport->fc_flag & FC_RSCN_MODE)
 980                        lpfc_els_flush_rscn(vport);
 981                lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 982                goto out;
 983        }
 984        if (lpfc_error_lost_link(irsp)) {
 985                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 986                                 "0226 NS query failed due to link event\n");
 987                if (vport->fc_flag & FC_RSCN_MODE)
 988                        lpfc_els_flush_rscn(vport);
 989                goto out;
 990        }
 991
 992        spin_lock_irq(shost->host_lock);
 993        if (vport->fc_flag & FC_RSCN_DEFERRED) {
 994                vport->fc_flag &= ~FC_RSCN_DEFERRED;
 995                spin_unlock_irq(shost->host_lock);
 996
 997                /* This is a GID_FT completing so the gidft_inp counter was
 998                 * incremented before the GID_FT was issued to the wire.
 999                 */
1000                if (vport->gidft_inp)
1001                        vport->gidft_inp--;
1002
1003                /*
1004                 * Skip processing the NS response
1005                 * Re-issue the NS cmd
1006                 */
1007                lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
1008                                 "0151 Process Deferred RSCN Data: x%x x%x\n",
1009                                 vport->fc_flag, vport->fc_rscn_id_cnt);
1010                lpfc_els_handle_rscn(vport);
1011
1012                goto out;
1013        }
1014        spin_unlock_irq(shost->host_lock);
1015
1016        if (irsp->ulpStatus) {
1017                /* Check for retry */
1018                if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1019                        if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
1020                            (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
1021                            IOERR_NO_RESOURCES)
1022                                vport->fc_ns_retry++;
1023
1024                        type = lpfc_get_gidft_type(vport, cmdiocb);
1025                        if (type == 0)
1026                                goto out;
1027
1028                        /* CT command is being retried */
1029                        rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
1030                                         vport->fc_ns_retry, type);
1031                        if (rc == 0)
1032                                goto out;
1033                        else { /* Unable to send NS cmd */
1034                                if (vport->gidft_inp)
1035                                        vport->gidft_inp--;
1036                        }
1037                }
1038                if (vport->fc_flag & FC_RSCN_MODE)
1039                        lpfc_els_flush_rscn(vport);
1040                lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1041                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1042                                 "0257 GID_FT Query error: 0x%x 0x%x\n",
1043                                 irsp->ulpStatus, vport->fc_ns_retry);
1044        } else {
1045                /* Good status, continue checking */
1046                CTreq = (struct lpfc_sli_ct_request *) inp->virt;
1047                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1048                if (CTrsp->CommandResponse.bits.CmdRsp ==
1049                    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1050                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1051                                         "0208 NameServer Rsp Data: x%x x%x "
1052                                         "x%x x%x sz x%x\n",
1053                                         vport->fc_flag,
1054                                         CTreq->un.gid.Fc4Type,
1055                                         vport->num_disc_nodes,
1056                                         vport->gidft_inp,
1057                                         irsp->un.genreq64.bdl.bdeSize);
1058
1059                        lpfc_ns_rsp(vport,
1060                                    outp,
1061                                    CTreq->un.gid.Fc4Type,
1062                                    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
1063                } else if (CTrsp->CommandResponse.bits.CmdRsp ==
1064                           be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1065                        /* NameServer Rsp Error */
1066                        if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1067                            && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1068                                lpfc_printf_vlog(vport, KERN_INFO,
1069                                        LOG_DISCOVERY,
1070                                        "0269 No NameServer Entries "
1071                                        "Data: x%x x%x x%x x%x\n",
1072                                        CTrsp->CommandResponse.bits.CmdRsp,
1073                                        (uint32_t) CTrsp->ReasonCode,
1074                                        (uint32_t) CTrsp->Explanation,
1075                                        vport->fc_flag);
1076
1077                                lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1078                                "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
1079                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1080                                (uint32_t) CTrsp->ReasonCode,
1081                                (uint32_t) CTrsp->Explanation);
1082                        } else {
1083                                lpfc_printf_vlog(vport, KERN_INFO,
1084                                        LOG_DISCOVERY,
1085                                        "0240 NameServer Rsp Error "
1086                                        "Data: x%x x%x x%x x%x\n",
1087                                        CTrsp->CommandResponse.bits.CmdRsp,
1088                                        (uint32_t) CTrsp->ReasonCode,
1089                                        (uint32_t) CTrsp->Explanation,
1090                                        vport->fc_flag);
1091
1092                                lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1093                                "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1094                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1095                                (uint32_t) CTrsp->ReasonCode,
1096                                (uint32_t) CTrsp->Explanation);
1097                        }
1098
1099
1100                } else {
1101                        /* NameServer Rsp Error */
1102                        lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1103                                        "0241 NameServer Rsp Error "
1104                                        "Data: x%x x%x x%x x%x\n",
1105                                        CTrsp->CommandResponse.bits.CmdRsp,
1106                                        (uint32_t) CTrsp->ReasonCode,
1107                                        (uint32_t) CTrsp->Explanation,
1108                                        vport->fc_flag);
1109
1110                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1111                                "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1112                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1113                                (uint32_t) CTrsp->ReasonCode,
1114                                (uint32_t) CTrsp->Explanation);
1115                }
1116                if (vport->gidft_inp)
1117                        vport->gidft_inp--;
1118        }
1119
1120        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1121                         "4216 GID_FT cmpl inp %d disc %d\n",
1122                         vport->gidft_inp, vport->num_disc_nodes);
1123
1124        /* Link up / RSCN discovery */
1125        if ((vport->num_disc_nodes == 0) &&
1126            (vport->gidft_inp == 0)) {
1127                /*
1128                 * The driver has cycled through all Nports in the RSCN payload.
1129                 * Complete the handling by cleaning up and marking the
1130                 * current driver state.
1131                 */
1132                if (vport->port_state >= LPFC_DISC_AUTH) {
1133                        if (vport->fc_flag & FC_RSCN_MODE) {
1134                                lpfc_els_flush_rscn(vport);
1135                                spin_lock_irq(shost->host_lock);
1136                                vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1137                                spin_unlock_irq(shost->host_lock);
1138                        }
1139                        else
1140                                lpfc_els_flush_rscn(vport);
1141                }
1142
1143                lpfc_disc_start(vport);
1144        }
1145out:
1146        lpfc_ct_free_iocb(phba, cmdiocb);
1147        lpfc_nlp_put(ndlp);
1148        return;
1149}
1150
1151static void
1152lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1153                        struct lpfc_iocbq *rspiocb)
1154{
1155        struct lpfc_vport *vport = cmdiocb->vport;
1156        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1157        IOCB_t *irsp;
1158        struct lpfc_dmabuf *outp;
1159        struct lpfc_dmabuf *inp;
1160        struct lpfc_sli_ct_request *CTrsp;
1161        struct lpfc_sli_ct_request *CTreq;
1162        struct lpfc_nodelist *ndlp;
1163        int rc;
1164
1165        /* First save ndlp, before we overwrite it */
1166        ndlp = cmdiocb->context_un.ndlp;
1167
1168        /* we pass cmdiocb to state machine which needs rspiocb as well */
1169        cmdiocb->context_un.rsp_iocb = rspiocb;
1170        inp = (struct lpfc_dmabuf *)cmdiocb->context1;
1171        outp = (struct lpfc_dmabuf *)cmdiocb->context2;
1172        irsp = &rspiocb->iocb;
1173
1174        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1175                              "GID_PT cmpl:     status:x%x/x%x rtry:%d",
1176                              irsp->ulpStatus, irsp->un.ulpWord[4],
1177                              vport->fc_ns_retry);
1178
1179        /* Ignore response if link flipped after this request was made */
1180        if (cmdiocb->event_tag != phba->fc_eventTag) {
1181                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1182                                 "9044 Event tag mismatch. Ignoring NS rsp\n");
1183                goto out;
1184        }
1185
1186        /* Don't bother processing response if vport is being torn down. */
1187        if (vport->load_flag & FC_UNLOADING) {
1188                if (vport->fc_flag & FC_RSCN_MODE)
1189                        lpfc_els_flush_rscn(vport);
1190                goto out;
1191        }
1192
1193        if (lpfc_els_chk_latt(vport)) {
1194                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1195                                 "4108 Link event during NS query\n");
1196                if (vport->fc_flag & FC_RSCN_MODE)
1197                        lpfc_els_flush_rscn(vport);
1198                lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1199                goto out;
1200        }
1201        if (lpfc_error_lost_link(irsp)) {
1202                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1203                                 "4166 NS query failed due to link event\n");
1204                if (vport->fc_flag & FC_RSCN_MODE)
1205                        lpfc_els_flush_rscn(vport);
1206                goto out;
1207        }
1208
1209        spin_lock_irq(shost->host_lock);
1210        if (vport->fc_flag & FC_RSCN_DEFERRED) {
1211                vport->fc_flag &= ~FC_RSCN_DEFERRED;
1212                spin_unlock_irq(shost->host_lock);
1213
1214                /* This is a GID_PT completing so the gidft_inp counter was
1215                 * incremented before the GID_PT was issued to the wire.
1216                 */
1217                if (vport->gidft_inp)
1218                        vport->gidft_inp--;
1219
1220                /*
1221                 * Skip processing the NS response
1222                 * Re-issue the NS cmd
1223                 */
1224                lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
1225                                 "4167 Process Deferred RSCN Data: x%x x%x\n",
1226                                 vport->fc_flag, vport->fc_rscn_id_cnt);
1227                lpfc_els_handle_rscn(vport);
1228
1229                goto out;
1230        }
1231        spin_unlock_irq(shost->host_lock);
1232
1233        if (irsp->ulpStatus) {
1234                /* Check for retry */
1235                if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1236                        if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
1237                            (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
1238                            IOERR_NO_RESOURCES)
1239                                vport->fc_ns_retry++;
1240
1241                        /* CT command is being retried */
1242                        rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
1243                                         vport->fc_ns_retry, GID_PT_N_PORT);
1244                        if (rc == 0)
1245                                goto out;
1246                        else { /* Unable to send NS cmd */
1247                                if (vport->gidft_inp)
1248                                        vport->gidft_inp--;
1249                        }
1250                }
1251                if (vport->fc_flag & FC_RSCN_MODE)
1252                        lpfc_els_flush_rscn(vport);
1253                lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1254                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1255                                 "4103 GID_FT Query error: 0x%x 0x%x\n",
1256                                 irsp->ulpStatus, vport->fc_ns_retry);
1257        } else {
1258                /* Good status, continue checking */
1259                CTreq = (struct lpfc_sli_ct_request *)inp->virt;
1260                CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1261                if (CTrsp->CommandResponse.bits.CmdRsp ==
1262                    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1263                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1264                                         "4105 NameServer Rsp Data: x%x x%x "
1265                                         "x%x x%x sz x%x\n",
1266                                         vport->fc_flag,
1267                                         CTreq->un.gid.Fc4Type,
1268                                         vport->num_disc_nodes,
1269                                         vport->gidft_inp,
1270                                         irsp->un.genreq64.bdl.bdeSize);
1271
1272                        lpfc_ns_rsp(vport,
1273                                    outp,
1274                                    CTreq->un.gid.Fc4Type,
1275                                    (uint32_t)(irsp->un.genreq64.bdl.bdeSize));
1276                } else if (CTrsp->CommandResponse.bits.CmdRsp ==
1277                           be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1278                        /* NameServer Rsp Error */
1279                        if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1280                            && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1281                                lpfc_printf_vlog(
1282                                        vport, KERN_INFO, LOG_DISCOVERY,
1283                                        "4106 No NameServer Entries "
1284                                        "Data: x%x x%x x%x x%x\n",
1285                                        CTrsp->CommandResponse.bits.CmdRsp,
1286                                        (uint32_t)CTrsp->ReasonCode,
1287                                        (uint32_t)CTrsp->Explanation,
1288                                        vport->fc_flag);
1289
1290                                lpfc_debugfs_disc_trc(
1291                                vport, LPFC_DISC_TRC_CT,
1292                                "GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
1293                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1294                                (uint32_t)CTrsp->ReasonCode,
1295                                (uint32_t)CTrsp->Explanation);
1296                        } else {
1297                                lpfc_printf_vlog(
1298                                        vport, KERN_INFO, LOG_DISCOVERY,
1299                                        "4107 NameServer Rsp Error "
1300                                        "Data: x%x x%x x%x x%x\n",
1301                                        CTrsp->CommandResponse.bits.CmdRsp,
1302                                        (uint32_t)CTrsp->ReasonCode,
1303                                        (uint32_t)CTrsp->Explanation,
1304                                        vport->fc_flag);
1305
1306                                lpfc_debugfs_disc_trc(
1307                                vport, LPFC_DISC_TRC_CT,
1308                                "GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1309                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1310                                (uint32_t)CTrsp->ReasonCode,
1311                                (uint32_t)CTrsp->Explanation);
1312                        }
1313                } else {
1314                        /* NameServer Rsp Error */
1315                        lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1316                                         "4109 NameServer Rsp Error "
1317                                         "Data: x%x x%x x%x x%x\n",
1318                                         CTrsp->CommandResponse.bits.CmdRsp,
1319                                         (uint32_t)CTrsp->ReasonCode,
1320                                         (uint32_t)CTrsp->Explanation,
1321                                         vport->fc_flag);
1322
1323                        lpfc_debugfs_disc_trc(
1324                                vport, LPFC_DISC_TRC_CT,
1325                                "GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1326                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1327                                (uint32_t)CTrsp->ReasonCode,
1328                                (uint32_t)CTrsp->Explanation);
1329                }
1330                if (vport->gidft_inp)
1331                        vport->gidft_inp--;
1332        }
1333
1334        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1335                         "6450 GID_PT cmpl inp %d disc %d\n",
1336                         vport->gidft_inp, vport->num_disc_nodes);
1337
1338        /* Link up / RSCN discovery */
1339        if ((vport->num_disc_nodes == 0) &&
1340            (vport->gidft_inp == 0)) {
1341                /*
1342                 * The driver has cycled through all Nports in the RSCN payload.
1343                 * Complete the handling by cleaning up and marking the
1344                 * current driver state.
1345                 */
1346                if (vport->port_state >= LPFC_DISC_AUTH) {
1347                        if (vport->fc_flag & FC_RSCN_MODE) {
1348                                lpfc_els_flush_rscn(vport);
1349                                spin_lock_irq(shost->host_lock);
1350                                vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1351                                spin_unlock_irq(shost->host_lock);
1352                        } else {
1353                                lpfc_els_flush_rscn(vport);
1354                        }
1355                }
1356
1357                lpfc_disc_start(vport);
1358        }
1359out:
1360        lpfc_ct_free_iocb(phba, cmdiocb);
1361        lpfc_nlp_put(ndlp);
1362}
1363
1364static void
1365lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1366                        struct lpfc_iocbq *rspiocb)
1367{
1368        struct lpfc_vport *vport = cmdiocb->vport;
1369        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1370        IOCB_t *irsp = &rspiocb->iocb;
1371        struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1372        struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1373        struct lpfc_sli_ct_request *CTrsp;
1374        int did, rc, retry;
1375        uint8_t fbits;
1376        struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL;
1377
1378        did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1379        did = be32_to_cpu(did);
1380
1381        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1382                "GFF_ID cmpl:     status:x%x/x%x did:x%x",
1383                irsp->ulpStatus, irsp->un.ulpWord[4], did);
1384
1385        /* Ignore response if link flipped after this request was made */
1386        if (cmdiocb->event_tag != phba->fc_eventTag) {
1387                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1388                                 "9045 Event tag mismatch. Ignoring NS rsp\n");
1389                goto iocb_free;
1390        }
1391
1392        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1393                /* Good status, continue checking */
1394                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1395                fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1396
1397                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1398                                 "6431 Process GFF_ID rsp for %08x "
1399                                 "fbits %02x %s %s\n",
1400                                 did, fbits,
1401                                 (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1402                                 (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1403
1404                if (CTrsp->CommandResponse.bits.CmdRsp ==
1405                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
1406                        if ((fbits & FC4_FEATURE_INIT) &&
1407                            !(fbits & FC4_FEATURE_TARGET)) {
1408                                lpfc_printf_vlog(vport, KERN_INFO,
1409                                                 LOG_DISCOVERY,
1410                                                 "0270 Skip x%x GFF "
1411                                                 "NameServer Rsp Data: (init) "
1412                                                 "x%x x%x\n", did, fbits,
1413                                                 vport->fc_rscn_id_cnt);
1414                                goto out;
1415                        }
1416                }
1417        }
1418        else {
1419                /* Check for retry */
1420                if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1421                        retry = 1;
1422                        if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1423                                switch ((irsp->un.ulpWord[4] &
1424                                        IOERR_PARAM_MASK)) {
1425
1426                                case IOERR_NO_RESOURCES:
1427                                        /* We don't increment the retry
1428                                         * count for this case.
1429                                         */
1430                                        break;
1431                                case IOERR_LINK_DOWN:
1432                                case IOERR_SLI_ABORTED:
1433                                case IOERR_SLI_DOWN:
1434                                        retry = 0;
1435                                        break;
1436                                default:
1437                                        cmdiocb->retry++;
1438                                }
1439                        }
1440                        else
1441                                cmdiocb->retry++;
1442
1443                        if (retry) {
1444                                /* CT command is being retried */
1445                                rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1446                                         cmdiocb->retry, did);
1447                                if (rc == 0) {
1448                                        /* success */
1449                                        free_ndlp = cmdiocb->context_un.ndlp;
1450                                        lpfc_ct_free_iocb(phba, cmdiocb);
1451                                        lpfc_nlp_put(free_ndlp);
1452                                        return;
1453                                }
1454                        }
1455                }
1456                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1457                                 "0267 NameServer GFF Rsp "
1458                                 "x%x Error (%d %d) Data: x%x x%x\n",
1459                                 did, irsp->ulpStatus, irsp->un.ulpWord[4],
1460                                 vport->fc_flag, vport->fc_rscn_id_cnt);
1461        }
1462
1463        /* This is a target port, unregistered port, or the GFF_ID failed */
1464        ndlp = lpfc_setup_disc_node(vport, did);
1465        if (ndlp) {
1466                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1467                                 "0242 Process x%x GFF "
1468                                 "NameServer Rsp Data: x%x x%x x%x\n",
1469                                 did, ndlp->nlp_flag, vport->fc_flag,
1470                                 vport->fc_rscn_id_cnt);
1471        } else {
1472                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1473                                 "0243 Skip x%x GFF "
1474                                 "NameServer Rsp Data: x%x x%x\n", did,
1475                                 vport->fc_flag, vport->fc_rscn_id_cnt);
1476        }
1477out:
1478        /* Link up / RSCN discovery */
1479        if (vport->num_disc_nodes)
1480                vport->num_disc_nodes--;
1481
1482        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1483                         "6451 GFF_ID cmpl inp %d disc %d\n",
1484                         vport->gidft_inp, vport->num_disc_nodes);
1485
1486        if (vport->num_disc_nodes == 0) {
1487                /*
1488                 * The driver has cycled through all Nports in the RSCN payload.
1489                 * Complete the handling by cleaning up and marking the
1490                 * current driver state.
1491                 */
1492                if (vport->port_state >= LPFC_DISC_AUTH) {
1493                        if (vport->fc_flag & FC_RSCN_MODE) {
1494                                lpfc_els_flush_rscn(vport);
1495                                spin_lock_irq(shost->host_lock);
1496                                vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1497                                spin_unlock_irq(shost->host_lock);
1498                        }
1499                        else
1500                                lpfc_els_flush_rscn(vport);
1501                }
1502                lpfc_disc_start(vport);
1503        }
1504
1505iocb_free:
1506        free_ndlp = cmdiocb->context_un.ndlp;
1507        lpfc_ct_free_iocb(phba, cmdiocb);
1508        lpfc_nlp_put(free_ndlp);
1509        return;
1510}
1511
1512static void
1513lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1514                                struct lpfc_iocbq *rspiocb)
1515{
1516        struct lpfc_vport *vport = cmdiocb->vport;
1517        IOCB_t *irsp = &rspiocb->iocb;
1518        struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
1519        struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
1520        struct lpfc_sli_ct_request *CTrsp;
1521        int did;
1522        struct lpfc_nodelist *ndlp = NULL;
1523        struct lpfc_nodelist *ns_ndlp = NULL;
1524        uint32_t fc4_data_0, fc4_data_1;
1525
1526        did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1527        did = be32_to_cpu(did);
1528
1529        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1530                              "GFT_ID cmpl: status:x%x/x%x did:x%x",
1531                              irsp->ulpStatus, irsp->un.ulpWord[4], did);
1532
1533        /* Ignore response if link flipped after this request was made */
1534        if ((uint32_t) cmdiocb->event_tag != phba->fc_eventTag) {
1535                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1536                                 "9046 Event tag mismatch. Ignoring NS rsp\n");
1537                goto out;
1538        }
1539
1540        /* Preserve the nameserver node to release the reference. */
1541        ns_ndlp = cmdiocb->context_un.ndlp;
1542
1543        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1544                /* Good status, continue checking */
1545                CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1546                fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1547                fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1548
1549                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1550                                 "6432 Process GFT_ID rsp for %08x "
1551                                 "Data %08x %08x %s %s\n",
1552                                 did, fc4_data_0, fc4_data_1,
1553                                 (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1554                                  "FCP" : " ",
1555                                 (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1556                                  "NVME" : " ");
1557
1558                /* Lookup the NPort_ID queried in the GFT_ID and find the
1559                 * driver's local node.  It's an error if the driver
1560                 * doesn't have one.
1561                 */
1562                ndlp = lpfc_findnode_did(vport, did);
1563                if (ndlp) {
1564                        /* The bitmask value for FCP and NVME FCP types is
1565                         * the same because they are 32 bits distant from
1566                         * each other in word0 and word0.
1567                         */
1568                        if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1569                                ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1570                        if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1571                                ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1572                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1573                                         "3064 Setting ndlp x%px, DID x%06x "
1574                                         "with FC4 x%08x, Data: x%08x x%08x "
1575                                         "%d\n",
1576                                         ndlp, did, ndlp->nlp_fc4_type,
1577                                         FC_TYPE_FCP, FC_TYPE_NVME,
1578                                         ndlp->nlp_state);
1579
1580                        if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1581                            ndlp->nlp_fc4_type) {
1582                                ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1583
1584                                lpfc_nlp_set_state(vport, ndlp,
1585                                                   NLP_STE_PRLI_ISSUE);
1586                                lpfc_issue_els_prli(vport, ndlp, 0);
1587                        } else if (!ndlp->nlp_fc4_type) {
1588                                /* If fc4 type is still unknown, then LOGO */
1589                                lpfc_printf_vlog(vport, KERN_INFO,
1590                                                 LOG_DISCOVERY,
1591                                                 "6443 Sending LOGO ndlp x%px,"
1592                                                 "DID x%06x with fc4_type: "
1593                                                 "x%08x, state: %d\n",
1594                                                 ndlp, did, ndlp->nlp_fc4_type,
1595                                                 ndlp->nlp_state);
1596                                lpfc_issue_els_logo(vport, ndlp, 0);
1597                                ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1598                                lpfc_nlp_set_state(vport, ndlp,
1599                                                   NLP_STE_NPR_NODE);
1600                        }
1601                }
1602        } else
1603                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1604                                 "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
1605
1606out:
1607        lpfc_ct_free_iocb(phba, cmdiocb);
1608        lpfc_nlp_put(ns_ndlp);
1609}
1610
1611static void
1612lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1613             struct lpfc_iocbq *rspiocb)
1614{
1615        struct lpfc_vport *vport = cmdiocb->vport;
1616        struct lpfc_dmabuf *inp;
1617        struct lpfc_dmabuf *outp;
1618        IOCB_t *irsp;
1619        struct lpfc_sli_ct_request *CTrsp;
1620        struct lpfc_nodelist *ndlp;
1621        int cmdcode, rc;
1622        uint8_t retry;
1623        uint32_t latt;
1624
1625        /* First save ndlp, before we overwrite it */
1626        ndlp = cmdiocb->context_un.ndlp;
1627
1628        /* we pass cmdiocb to state machine which needs rspiocb as well */
1629        cmdiocb->context_un.rsp_iocb = rspiocb;
1630
1631        inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1632        outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1633        irsp = &rspiocb->iocb;
1634
1635        cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1636                                        CommandResponse.bits.CmdRsp);
1637        CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1638
1639        latt = lpfc_els_chk_latt(vport);
1640
1641        /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
1642        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1643                         "0209 CT Request completes, latt %d, "
1644                         "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1645                         latt, irsp->ulpStatus,
1646                         CTrsp->CommandResponse.bits.CmdRsp,
1647                         cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
1648
1649        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1650                "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1651                irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
1652
1653        if (irsp->ulpStatus) {
1654                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1655                                 "0268 NS cmd x%x Error (x%x x%x)\n",
1656                                 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
1657
1658                if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1659                        (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1660                          IOERR_SLI_DOWN) ||
1661                         ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1662                          IOERR_SLI_ABORTED)))
1663                        goto out;
1664
1665                retry = cmdiocb->retry;
1666                if (retry >= LPFC_MAX_NS_RETRY)
1667                        goto out;
1668
1669                retry++;
1670                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1671                                 "0250 Retrying NS cmd %x\n", cmdcode);
1672                rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1673                if (rc == 0)
1674                        goto out;
1675        }
1676
1677out:
1678        lpfc_ct_free_iocb(phba, cmdiocb);
1679        lpfc_nlp_put(ndlp);
1680        return;
1681}
1682
1683static void
1684lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1685                        struct lpfc_iocbq *rspiocb)
1686{
1687        IOCB_t *irsp = &rspiocb->iocb;
1688        struct lpfc_vport *vport = cmdiocb->vport;
1689
1690        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1691                struct lpfc_dmabuf *outp;
1692                struct lpfc_sli_ct_request *CTrsp;
1693
1694                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1695                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1696                if (CTrsp->CommandResponse.bits.CmdRsp ==
1697                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1698                        vport->ct_flags |= FC_CT_RFT_ID;
1699        }
1700        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1701        return;
1702}
1703
1704static void
1705lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1706                        struct lpfc_iocbq *rspiocb)
1707{
1708        IOCB_t *irsp = &rspiocb->iocb;
1709        struct lpfc_vport *vport = cmdiocb->vport;
1710
1711        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1712                struct lpfc_dmabuf *outp;
1713                struct lpfc_sli_ct_request *CTrsp;
1714
1715                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1716                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1717                if (CTrsp->CommandResponse.bits.CmdRsp ==
1718                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1719                        vport->ct_flags |= FC_CT_RNN_ID;
1720        }
1721        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1722        return;
1723}
1724
1725static void
1726lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1727                         struct lpfc_iocbq *rspiocb)
1728{
1729        IOCB_t *irsp = &rspiocb->iocb;
1730        struct lpfc_vport *vport = cmdiocb->vport;
1731
1732        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1733                struct lpfc_dmabuf *outp;
1734                struct lpfc_sli_ct_request *CTrsp;
1735
1736                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1737                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1738                if (CTrsp->CommandResponse.bits.CmdRsp ==
1739                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1740                        vport->ct_flags |= FC_CT_RSPN_ID;
1741        }
1742        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1743        return;
1744}
1745
1746static void
1747lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1748                         struct lpfc_iocbq *rspiocb)
1749{
1750        IOCB_t *irsp = &rspiocb->iocb;
1751        struct lpfc_vport *vport = cmdiocb->vport;
1752
1753        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1754                struct lpfc_dmabuf *outp;
1755                struct lpfc_sli_ct_request *CTrsp;
1756
1757                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1758                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1759                if (CTrsp->CommandResponse.bits.CmdRsp ==
1760                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1761                        vport->ct_flags |= FC_CT_RSNN_NN;
1762        }
1763        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1764        return;
1765}
1766
1767static void
1768lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1769 struct lpfc_iocbq *rspiocb)
1770{
1771        struct lpfc_vport *vport = cmdiocb->vport;
1772
1773        /* even if it fails we will act as though it succeeded. */
1774        vport->ct_flags = 0;
1775        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1776        return;
1777}
1778
1779static void
1780lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1781                        struct lpfc_iocbq *rspiocb)
1782{
1783        IOCB_t *irsp = &rspiocb->iocb;
1784        struct lpfc_vport *vport = cmdiocb->vport;
1785
1786        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1787                struct lpfc_dmabuf *outp;
1788                struct lpfc_sli_ct_request *CTrsp;
1789
1790                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1791                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1792                if (CTrsp->CommandResponse.bits.CmdRsp ==
1793                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1794                        vport->ct_flags |= FC_CT_RFF_ID;
1795        }
1796        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1797        return;
1798}
1799
1800/*
1801 * Although the symbolic port name is thought to be an integer
1802 * as of January 18, 2016, leave it as a string until more of
1803 * the record state becomes defined.
1804 */
1805int
1806lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1807        size_t size)
1808{
1809        int n;
1810
1811        /*
1812         * Use the lpfc board number as the Symbolic Port
1813         * Name object.  NPIV is not in play so this integer
1814         * value is sufficient and unique per FC-ID.
1815         */
1816        n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1817        return n;
1818}
1819
1820
1821int
1822lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1823        size_t size)
1824{
1825        char fwrev[FW_REV_STR_SIZE] = {0};
1826        char tmp[MAXHOSTNAMELEN] = {0};
1827
1828        memset(symbol, 0, size);
1829
1830        scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1831        if (strlcat(symbol, tmp, size) >= size)
1832                goto buffer_done;
1833
1834        lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1835        scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1836        if (strlcat(symbol, tmp, size) >= size)
1837                goto buffer_done;
1838
1839        scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1840        if (strlcat(symbol, tmp, size) >= size)
1841                goto buffer_done;
1842
1843        scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1844        if (strlcat(symbol, tmp, size) >= size)
1845                goto buffer_done;
1846
1847        /* Note :- OS name is "Linux" */
1848        scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1849        strlcat(symbol, tmp, size);
1850
1851buffer_done:
1852        return strnlen(symbol, size);
1853
1854}
1855
1856static uint32_t
1857lpfc_find_map_node(struct lpfc_vport *vport)
1858{
1859        struct lpfc_nodelist *ndlp, *next_ndlp;
1860        struct Scsi_Host  *shost;
1861        uint32_t cnt = 0;
1862
1863        shost = lpfc_shost_from_vport(vport);
1864        spin_lock_irq(shost->host_lock);
1865        list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1866                if (ndlp->nlp_type & NLP_FABRIC)
1867                        continue;
1868                if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1869                    (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1870                        cnt++;
1871        }
1872        spin_unlock_irq(shost->host_lock);
1873        return cnt;
1874}
1875
1876/*
1877 * This routine will return the FC4 Type associated with the CT
1878 * GID_FT command.
1879 */
1880int
1881lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1882{
1883        struct lpfc_sli_ct_request *CtReq;
1884        struct lpfc_dmabuf *mp;
1885        uint32_t type;
1886
1887        mp = cmdiocb->context1;
1888        if (mp == NULL)
1889                return 0;
1890        CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1891        type = (uint32_t)CtReq->un.gid.Fc4Type;
1892        if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1893                return 0;
1894        return type;
1895}
1896
1897/*
1898 * lpfc_ns_cmd
1899 * Description:
1900 *    Issue Cmd to NameServer
1901 *       SLI_CTNS_GID_FT
1902 *       LI_CTNS_RFT_ID
1903 */
1904int
1905lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1906            uint8_t retry, uint32_t context)
1907{
1908        struct lpfc_nodelist * ndlp;
1909        struct lpfc_hba *phba = vport->phba;
1910        struct lpfc_dmabuf *mp, *bmp;
1911        struct lpfc_sli_ct_request *CtReq;
1912        struct ulp_bde64 *bpl;
1913        void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1914                      struct lpfc_iocbq *) = NULL;
1915        uint32_t *ptr;
1916        uint32_t rsp_size = 1024;
1917        size_t   size;
1918        int rc = 0;
1919
1920        ndlp = lpfc_findnode_did(vport, NameServer_DID);
1921        if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1922                rc=1;
1923                goto ns_cmd_exit;
1924        }
1925
1926        /* fill in BDEs for command */
1927        /* Allocate buffer for command payload */
1928        mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1929        if (!mp) {
1930                rc=2;
1931                goto ns_cmd_exit;
1932        }
1933
1934        INIT_LIST_HEAD(&mp->list);
1935        mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1936        if (!mp->virt) {
1937                rc=3;
1938                goto ns_cmd_free_mp;
1939        }
1940
1941        /* Allocate buffer for Buffer ptr list */
1942        bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1943        if (!bmp) {
1944                rc=4;
1945                goto ns_cmd_free_mpvirt;
1946        }
1947
1948        INIT_LIST_HEAD(&bmp->list);
1949        bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1950        if (!bmp->virt) {
1951                rc=5;
1952                goto ns_cmd_free_bmp;
1953        }
1954
1955        /* NameServer Req */
1956        lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1957                         "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1958                         cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1959                         context);
1960
1961        bpl = (struct ulp_bde64 *) bmp->virt;
1962        memset(bpl, 0, sizeof(struct ulp_bde64));
1963        bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1964        bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1965        bpl->tus.f.bdeFlags = 0;
1966        if (cmdcode == SLI_CTNS_GID_FT)
1967                bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1968        else if (cmdcode == SLI_CTNS_GID_PT)
1969                bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1970        else if (cmdcode == SLI_CTNS_GFF_ID)
1971                bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1972        else if (cmdcode == SLI_CTNS_GFT_ID)
1973                bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1974        else if (cmdcode == SLI_CTNS_RFT_ID)
1975                bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1976        else if (cmdcode == SLI_CTNS_RNN_ID)
1977                bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1978        else if (cmdcode == SLI_CTNS_RSPN_ID)
1979                bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1980        else if (cmdcode == SLI_CTNS_RSNN_NN)
1981                bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1982        else if (cmdcode == SLI_CTNS_DA_ID)
1983                bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1984        else if (cmdcode == SLI_CTNS_RFF_ID)
1985                bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1986        else
1987                bpl->tus.f.bdeSize = 0;
1988        bpl->tus.w = le32_to_cpu(bpl->tus.w);
1989
1990        CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1991        memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1992        CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1993        CtReq->RevisionId.bits.InId = 0;
1994        CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1995        CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1996        CtReq->CommandResponse.bits.Size = 0;
1997        switch (cmdcode) {
1998        case SLI_CTNS_GID_FT:
1999                CtReq->CommandResponse.bits.CmdRsp =
2000                    cpu_to_be16(SLI_CTNS_GID_FT);
2001                CtReq->un.gid.Fc4Type = 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_ft;
2007                rsp_size = FC_MAX_NS_RSP;
2008                break;
2009
2010        case SLI_CTNS_GID_PT:
2011                CtReq->CommandResponse.bits.CmdRsp =
2012                    cpu_to_be16(SLI_CTNS_GID_PT);
2013                CtReq->un.gid.PortType = context;
2014
2015                if (vport->port_state < LPFC_NS_QRY)
2016                        vport->port_state = LPFC_NS_QRY;
2017                lpfc_set_disctmo(vport);
2018                cmpl = lpfc_cmpl_ct_cmd_gid_pt;
2019                rsp_size = FC_MAX_NS_RSP;
2020                break;
2021
2022        case SLI_CTNS_GFF_ID:
2023                CtReq->CommandResponse.bits.CmdRsp =
2024                        cpu_to_be16(SLI_CTNS_GFF_ID);
2025                CtReq->un.gff.PortId = cpu_to_be32(context);
2026                cmpl = lpfc_cmpl_ct_cmd_gff_id;
2027                break;
2028
2029        case SLI_CTNS_GFT_ID:
2030                CtReq->CommandResponse.bits.CmdRsp =
2031                        cpu_to_be16(SLI_CTNS_GFT_ID);
2032                CtReq->un.gft.PortId = cpu_to_be32(context);
2033                cmpl = lpfc_cmpl_ct_cmd_gft_id;
2034                break;
2035
2036        case SLI_CTNS_RFT_ID:
2037                vport->ct_flags &= ~FC_CT_RFT_ID;
2038                CtReq->CommandResponse.bits.CmdRsp =
2039                    cpu_to_be16(SLI_CTNS_RFT_ID);
2040                CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
2041
2042                /* Register FC4 FCP type if enabled.  */
2043                if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2044                    vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
2045                        CtReq->un.rft.fcpReg = 1;
2046
2047                /* Register NVME type if enabled.  Defined LE and swapped.
2048                 * rsvd[0] is used as word1 because of the hard-coded
2049                 * word0 usage in the ct_request data structure.
2050                 */
2051                if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2052                    vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
2053                        CtReq->un.rft.rsvd[0] =
2054                                cpu_to_be32(LPFC_FC4_TYPE_BITMASK);
2055
2056                ptr = (uint32_t *)CtReq;
2057                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2058                                 "6433 Issue RFT (%s %s): %08x %08x %08x %08x "
2059                                 "%08x %08x %08x %08x\n",
2060                                 CtReq->un.rft.fcpReg ? "FCP" : " ",
2061                                 CtReq->un.rft.rsvd[0] ? "NVME" : " ",
2062                                 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2063                                 *(ptr + 4), *(ptr + 5),
2064                                 *(ptr + 6), *(ptr + 7));
2065                cmpl = lpfc_cmpl_ct_cmd_rft_id;
2066                break;
2067
2068        case SLI_CTNS_RNN_ID:
2069                vport->ct_flags &= ~FC_CT_RNN_ID;
2070                CtReq->CommandResponse.bits.CmdRsp =
2071                    cpu_to_be16(SLI_CTNS_RNN_ID);
2072                CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
2073                memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
2074                       sizeof(struct lpfc_name));
2075                cmpl = lpfc_cmpl_ct_cmd_rnn_id;
2076                break;
2077
2078        case SLI_CTNS_RSPN_ID:
2079                vport->ct_flags &= ~FC_CT_RSPN_ID;
2080                CtReq->CommandResponse.bits.CmdRsp =
2081                    cpu_to_be16(SLI_CTNS_RSPN_ID);
2082                CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
2083                size = sizeof(CtReq->un.rspn.symbname);
2084                CtReq->un.rspn.len =
2085                        lpfc_vport_symbolic_port_name(vport,
2086                        CtReq->un.rspn.symbname, size);
2087                cmpl = lpfc_cmpl_ct_cmd_rspn_id;
2088                break;
2089        case SLI_CTNS_RSNN_NN:
2090                vport->ct_flags &= ~FC_CT_RSNN_NN;
2091                CtReq->CommandResponse.bits.CmdRsp =
2092                    cpu_to_be16(SLI_CTNS_RSNN_NN);
2093                memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
2094                       sizeof(struct lpfc_name));
2095                size = sizeof(CtReq->un.rsnn.symbname);
2096                CtReq->un.rsnn.len =
2097                        lpfc_vport_symbolic_node_name(vport,
2098                        CtReq->un.rsnn.symbname, size);
2099                cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
2100                break;
2101        case SLI_CTNS_DA_ID:
2102                /* Implement DA_ID Nameserver request */
2103                CtReq->CommandResponse.bits.CmdRsp =
2104                        cpu_to_be16(SLI_CTNS_DA_ID);
2105                CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
2106                cmpl = lpfc_cmpl_ct_cmd_da_id;
2107                break;
2108        case SLI_CTNS_RFF_ID:
2109                vport->ct_flags &= ~FC_CT_RFF_ID;
2110                CtReq->CommandResponse.bits.CmdRsp =
2111                    cpu_to_be16(SLI_CTNS_RFF_ID);
2112                CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
2113                CtReq->un.rff.fbits = FC4_FEATURE_INIT;
2114
2115                /* The driver always supports FC_TYPE_FCP.  However, the
2116                 * caller can specify NVME (type x28) as well.  But only
2117                 * these that FC4 type is supported.
2118                 */
2119                if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2120                     (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
2121                    (context == FC_TYPE_NVME)) {
2122                        if ((vport == phba->pport) && phba->nvmet_support) {
2123                                CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
2124                                        FC4_FEATURE_NVME_DISC);
2125                                lpfc_nvmet_update_targetport(phba);
2126                        } else {
2127                                lpfc_nvme_update_localport(vport);
2128                        }
2129                        CtReq->un.rff.type_code = context;
2130
2131                } else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2132                            (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
2133                           (context == FC_TYPE_FCP))
2134                        CtReq->un.rff.type_code = context;
2135
2136                else
2137                        goto ns_cmd_free_bmpvirt;
2138
2139                ptr = (uint32_t *)CtReq;
2140                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2141                                 "6434 Issue RFF (%s): %08x %08x %08x %08x "
2142                                 "%08x %08x %08x %08x\n",
2143                                 (context == FC_TYPE_NVME) ? "NVME" : "FCP",
2144                                 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2145                                 *(ptr + 4), *(ptr + 5),
2146                                 *(ptr + 6), *(ptr + 7));
2147                cmpl = lpfc_cmpl_ct_cmd_rff_id;
2148                break;
2149        }
2150        /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2151         * to hold ndlp reference for the corresponding callback function.
2152         */
2153        if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
2154                /* On success, The cmpl function will free the buffers */
2155                lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2156                        "Issue CT cmd:    cmd:x%x did:x%x",
2157                        cmdcode, ndlp->nlp_DID, 0);
2158                return 0;
2159        }
2160        rc=6;
2161
2162ns_cmd_free_bmpvirt:
2163        lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2164ns_cmd_free_bmp:
2165        kfree(bmp);
2166ns_cmd_free_mpvirt:
2167        lpfc_mbuf_free(phba, mp->virt, mp->phys);
2168ns_cmd_free_mp:
2169        kfree(mp);
2170ns_cmd_exit:
2171        lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
2172                         "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
2173                         cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
2174        return 1;
2175}
2176
2177/**
2178 * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
2179 * @phba: Pointer to HBA context object.
2180 * @cmdiocb: Pointer to the command IOCBQ.
2181 * @rspiocb: Pointer to the response IOCBQ.
2182 *
2183 * This function to handle the completion of a driver initiated FDMI
2184 * CT command issued during discovery.
2185 */
2186static void
2187lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2188                       struct lpfc_iocbq *rspiocb)
2189{
2190        struct lpfc_vport *vport = cmdiocb->vport;
2191        struct lpfc_dmabuf *inp = cmdiocb->context1;
2192        struct lpfc_dmabuf *outp = cmdiocb->context2;
2193        struct lpfc_sli_ct_request *CTcmd = inp->virt;
2194        struct lpfc_sli_ct_request *CTrsp = outp->virt;
2195        uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
2196        uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
2197        IOCB_t *irsp = &rspiocb->iocb;
2198        struct lpfc_nodelist *ndlp, *free_ndlp = NULL;
2199        uint32_t latt, cmd, err;
2200
2201        latt = lpfc_els_chk_latt(vport);
2202        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2203                "FDMI cmpl:       status:x%x/x%x latt:%d",
2204                irsp->ulpStatus, irsp->un.ulpWord[4], latt);
2205
2206        if (latt || irsp->ulpStatus) {
2207
2208                /* Look for a retryable error */
2209                if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
2210                        switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) {
2211                        case IOERR_SLI_ABORTED:
2212                        case IOERR_SLI_DOWN:
2213                                /* Driver aborted this IO.  No retry as error
2214                                 * is likely Offline->Online or some adapter
2215                                 * error.  Recovery will try again.
2216                                 */
2217                                break;
2218                        case IOERR_ABORT_IN_PROGRESS:
2219                        case IOERR_SEQUENCE_TIMEOUT:
2220                        case IOERR_ILLEGAL_FRAME:
2221                        case IOERR_NO_RESOURCES:
2222                        case IOERR_ILLEGAL_COMMAND:
2223                                cmdiocb->retry++;
2224                                if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
2225                                        break;
2226
2227                                /* Retry the same FDMI command */
2228                                err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
2229                                                          cmdiocb, 0);
2230                                if (err == IOCB_ERROR)
2231                                        break;
2232                                return;
2233                        default:
2234                                break;
2235                        }
2236                }
2237
2238                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2239                                 "0229 FDMI cmd %04x failed, latt = %d "
2240                                 "ulpStatus: x%x, rid x%x\n",
2241                                 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
2242                                 irsp->un.ulpWord[4]);
2243        }
2244
2245        free_ndlp = cmdiocb->context_un.ndlp;
2246        lpfc_ct_free_iocb(phba, cmdiocb);
2247        lpfc_nlp_put(free_ndlp);
2248
2249        ndlp = lpfc_findnode_did(vport, FDMI_DID);
2250        if (!ndlp)
2251                return;
2252
2253        /* Check for a CT LS_RJT response */
2254        cmd =  be16_to_cpu(fdmi_cmd);
2255        if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
2256                /* FDMI rsp failed */
2257                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2258                                 "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
2259
2260                /* Should we fallback to FDMI-2 / FDMI-1 ? */
2261                switch (cmd) {
2262                case SLI_MGMT_RHBA:
2263                        if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
2264                                /* Fallback to FDMI-1 */
2265                                vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2266                                vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2267                                /* Start over */
2268                                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2269                        }
2270                        return;
2271
2272                case SLI_MGMT_RPRT:
2273                        if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2274                                /* Fallback to FDMI-1 */
2275                                vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2276                                /* Start over */
2277                                lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2278                                return;
2279                        }
2280                        if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2281                                vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2282                                /* Retry the same command */
2283                                lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2284                        }
2285                        return;
2286
2287                case SLI_MGMT_RPA:
2288                        /* No retry on Vendor, RPA only done on physical port */
2289                        if (phba->link_flag & LS_CT_VEN_RPA) {
2290                                phba->link_flag &= ~LS_CT_VEN_RPA;
2291                                lpfc_printf_log(phba, KERN_ERR,
2292                                                LOG_DISCOVERY | LOG_ELS,
2293                                                "6460 VEN FDMI RPA failure\n");
2294                                return;
2295                        }
2296                        if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2297                                /* Fallback to FDMI-1 */
2298                                vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2299                                vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2300                                /* Start over */
2301                                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2302                                return;
2303                        }
2304                        if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2305                                vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2306                                /* Retry the same command */
2307                                lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2308                        }
2309                        return;
2310                }
2311        }
2312
2313        /*
2314         * On success, need to cycle thru FDMI registration for discovery
2315         * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2316         * DPRT -> RPRT (vports)
2317         */
2318        switch (cmd) {
2319        case SLI_MGMT_RHBA:
2320                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
2321                break;
2322
2323        case SLI_MGMT_DHBA:
2324                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2325                break;
2326
2327        case SLI_MGMT_DPRT:
2328                if (vport->port_type == LPFC_PHYSICAL_PORT)
2329                        lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2330                else
2331                        lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2332                break;
2333        case SLI_MGMT_RPA:
2334                if (vport->port_type == LPFC_PHYSICAL_PORT &&
2335                    phba->cfg_enable_mi &&
2336                    phba->sli4_hba.pc_sli4_params.mi_ver > LPFC_MIB1_SUPPORT) {
2337                        /* mi is only for the phyical port, no vports */
2338                        if (phba->link_flag & LS_CT_VEN_RPA) {
2339                                lpfc_printf_vlog(vport, KERN_INFO,
2340                                                 LOG_DISCOVERY | LOG_ELS,
2341                                                 "6449 VEN RPA FDMI Success\n");
2342                                phba->link_flag &= ~LS_CT_VEN_RPA;
2343                                break;
2344                        }
2345
2346                        if (lpfc_fdmi_cmd(vport, ndlp, cmd,
2347                                          LPFC_FDMI_VENDOR_ATTR_mi) == 0)
2348                                phba->link_flag |= LS_CT_VEN_RPA;
2349                        lpfc_printf_log(phba, KERN_INFO,
2350                                        LOG_DISCOVERY | LOG_ELS,
2351                                        "6458 Send MI FDMI:%x Flag x%x\n",
2352                                        phba->sli4_hba.pc_sli4_params.mi_value,
2353                                        phba->link_flag);
2354                } else {
2355                        lpfc_printf_log(phba, KERN_INFO,
2356                                        LOG_DISCOVERY | LOG_ELS,
2357                                        "6459 No FDMI VEN MI support - "
2358                                        "RPA Success\n");
2359                }
2360                break;
2361        }
2362        return;
2363}
2364
2365
2366/**
2367 * lpfc_fdmi_change_check - Check for changed FDMI parameters
2368 * @vport: pointer to a host virtual N_Port data structure.
2369 *
2370 * Check how many mapped NPorts we are connected to
2371 * Check if our hostname changed
2372 * Called from hbeat timeout routine to check if any FDMI parameters
2373 * changed. If so, re-register those Attributes.
2374 */
2375void
2376lpfc_fdmi_change_check(struct lpfc_vport *vport)
2377{
2378        struct lpfc_hba *phba = vport->phba;
2379        struct lpfc_nodelist *ndlp;
2380        uint16_t cnt;
2381
2382        if (!lpfc_is_link_up(phba))
2383                return;
2384
2385        /* Must be connected to a Fabric */
2386        if (!(vport->fc_flag & FC_FABRIC))
2387                return;
2388
2389        ndlp = lpfc_findnode_did(vport, FDMI_DID);
2390        if (!ndlp)
2391                return;
2392
2393        /* Check if system hostname changed */
2394        if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2395                memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2396                scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2397                          init_utsname()->nodename);
2398                lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2399
2400                /* Since this effects multiple HBA and PORT attributes, we need
2401                 * de-register and go thru the whole FDMI registration cycle.
2402                 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2403                 * DPRT -> RPRT (vports)
2404                 */
2405                if (vport->port_type == LPFC_PHYSICAL_PORT) {
2406                        /* For extra Vendor RPA */
2407                        phba->link_flag &= ~LS_CT_VEN_RPA;
2408                        lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2409                } else {
2410                        lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2411                }
2412
2413                /* Since this code path registers all the port attributes
2414                 * we can just return without further checking.
2415                 */
2416                return;
2417        }
2418
2419        if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2420                return;
2421
2422        /* Check if the number of mapped NPorts changed */
2423        cnt = lpfc_find_map_node(vport);
2424        if (cnt == vport->fdmi_num_disc)
2425                return;
2426
2427        if (vport->port_type == LPFC_PHYSICAL_PORT) {
2428                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2429                              LPFC_FDMI_PORT_ATTR_num_disc);
2430        } else {
2431                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2432                              LPFC_FDMI_PORT_ATTR_num_disc);
2433        }
2434}
2435
2436/* Routines for all individual HBA attributes */
2437static int
2438lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2439{
2440        struct lpfc_fdmi_attr_entry *ae;
2441        uint32_t size;
2442
2443        ae = &ad->AttrValue;
2444        memset(ae, 0, sizeof(*ae));
2445
2446        memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2447               sizeof(struct lpfc_name));
2448        size = FOURBYTES + sizeof(struct lpfc_name);
2449        ad->AttrLen = cpu_to_be16(size);
2450        ad->AttrType = cpu_to_be16(RHBA_NODENAME);
2451        return size;
2452}
2453static int
2454lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
2455                                struct lpfc_fdmi_attr_def *ad)
2456{
2457        struct lpfc_fdmi_attr_entry *ae;
2458        uint32_t len, size;
2459
2460        ae = &ad->AttrValue;
2461        memset(ae, 0, sizeof(*ae));
2462
2463        /* This string MUST be consistent with other FC platforms
2464         * supported by Broadcom.
2465         */
2466        strncpy(ae->un.AttrString,
2467                "Emulex Corporation",
2468                       sizeof(ae->un.AttrString));
2469        len = strnlen(ae->un.AttrString,
2470                          sizeof(ae->un.AttrString));
2471        len += (len & 3) ? (4 - (len & 3)) : 4;
2472        size = FOURBYTES + len;
2473        ad->AttrLen = cpu_to_be16(size);
2474        ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
2475        return size;
2476}
2477
2478static int
2479lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2480{
2481        struct lpfc_hba *phba = vport->phba;
2482        struct lpfc_fdmi_attr_entry *ae;
2483        uint32_t len, size;
2484
2485        ae = &ad->AttrValue;
2486        memset(ae, 0, sizeof(*ae));
2487
2488        strncpy(ae->un.AttrString, phba->SerialNumber,
2489                sizeof(ae->un.AttrString));
2490        len = strnlen(ae->un.AttrString,
2491                          sizeof(ae->un.AttrString));
2492        len += (len & 3) ? (4 - (len & 3)) : 4;
2493        size = FOURBYTES + len;
2494        ad->AttrLen = cpu_to_be16(size);
2495        ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
2496        return size;
2497}
2498
2499static int
2500lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
2501                         struct lpfc_fdmi_attr_def *ad)
2502{
2503        struct lpfc_hba *phba = vport->phba;
2504        struct lpfc_fdmi_attr_entry *ae;
2505        uint32_t len, size;
2506
2507        ae = &ad->AttrValue;
2508        memset(ae, 0, sizeof(*ae));
2509
2510        strncpy(ae->un.AttrString, phba->ModelName,
2511                sizeof(ae->un.AttrString));
2512        len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2513        len += (len & 3) ? (4 - (len & 3)) : 4;
2514        size = FOURBYTES + len;
2515        ad->AttrLen = cpu_to_be16(size);
2516        ad->AttrType = cpu_to_be16(RHBA_MODEL);
2517        return size;
2518}
2519
2520static int
2521lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
2522                               struct lpfc_fdmi_attr_def *ad)
2523{
2524        struct lpfc_hba *phba = vport->phba;
2525        struct lpfc_fdmi_attr_entry *ae;
2526        uint32_t len, size;
2527
2528        ae = &ad->AttrValue;
2529        memset(ae, 0, sizeof(*ae));
2530
2531        strncpy(ae->un.AttrString, phba->ModelDesc,
2532                sizeof(ae->un.AttrString));
2533        len = strnlen(ae->un.AttrString,
2534                                  sizeof(ae->un.AttrString));
2535        len += (len & 3) ? (4 - (len & 3)) : 4;
2536        size = FOURBYTES + len;
2537        ad->AttrLen = cpu_to_be16(size);
2538        ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
2539        return size;
2540}
2541
2542static int
2543lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
2544                           struct lpfc_fdmi_attr_def *ad)
2545{
2546        struct lpfc_hba *phba = vport->phba;
2547        lpfc_vpd_t *vp = &phba->vpd;
2548        struct lpfc_fdmi_attr_entry *ae;
2549        uint32_t i, j, incr, size;
2550
2551        ae = &ad->AttrValue;
2552        memset(ae, 0, sizeof(*ae));
2553
2554        /* Convert JEDEC ID to ascii for hardware version */
2555        incr = vp->rev.biuRev;
2556        for (i = 0; i < 8; i++) {
2557                j = (incr & 0xf);
2558                if (j <= 9)
2559                        ae->un.AttrString[7 - i] =
2560                            (char)((uint8_t) 0x30 +
2561                                   (uint8_t) j);
2562                else
2563                        ae->un.AttrString[7 - i] =
2564                            (char)((uint8_t) 0x61 +
2565                                   (uint8_t) (j - 10));
2566                incr = (incr >> 4);
2567        }
2568        size = FOURBYTES + 8;
2569        ad->AttrLen = cpu_to_be16(size);
2570        ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
2571        return size;
2572}
2573
2574static int
2575lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
2576                            struct lpfc_fdmi_attr_def *ad)
2577{
2578        struct lpfc_fdmi_attr_entry *ae;
2579        uint32_t len, size;
2580
2581        ae = &ad->AttrValue;
2582        memset(ae, 0, sizeof(*ae));
2583
2584        strncpy(ae->un.AttrString, lpfc_release_version,
2585                sizeof(ae->un.AttrString));
2586        len = strnlen(ae->un.AttrString,
2587                          sizeof(ae->un.AttrString));
2588        len += (len & 3) ? (4 - (len & 3)) : 4;
2589        size = FOURBYTES + len;
2590        ad->AttrLen = cpu_to_be16(size);
2591        ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
2592        return size;
2593}
2594
2595static int
2596lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
2597                           struct lpfc_fdmi_attr_def *ad)
2598{
2599        struct lpfc_hba *phba = vport->phba;
2600        struct lpfc_fdmi_attr_entry *ae;
2601        uint32_t len, size;
2602
2603        ae = &ad->AttrValue;
2604        memset(ae, 0, sizeof(*ae));
2605
2606        if (phba->sli_rev == LPFC_SLI_REV4)
2607                lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2608        else
2609                strncpy(ae->un.AttrString, phba->OptionROMVersion,
2610                        sizeof(ae->un.AttrString));
2611        len = strnlen(ae->un.AttrString,
2612                          sizeof(ae->un.AttrString));
2613        len += (len & 3) ? (4 - (len & 3)) : 4;
2614        size = FOURBYTES + len;
2615        ad->AttrLen = cpu_to_be16(size);
2616        ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
2617        return size;
2618}
2619
2620static int
2621lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
2622                           struct lpfc_fdmi_attr_def *ad)
2623{
2624        struct lpfc_hba *phba = vport->phba;
2625        struct lpfc_fdmi_attr_entry *ae;
2626        uint32_t len, size;
2627
2628        ae = &ad->AttrValue;
2629        memset(ae, 0, sizeof(*ae));
2630
2631        lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2632        len = strnlen(ae->un.AttrString,
2633                          sizeof(ae->un.AttrString));
2634        len += (len & 3) ? (4 - (len & 3)) : 4;
2635        size = FOURBYTES + len;
2636        ad->AttrLen = cpu_to_be16(size);
2637        ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
2638        return size;
2639}
2640
2641static int
2642lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
2643                          struct lpfc_fdmi_attr_def *ad)
2644{
2645        struct lpfc_fdmi_attr_entry *ae;
2646        uint32_t len, size;
2647
2648        ae = &ad->AttrValue;
2649        memset(ae, 0, sizeof(*ae));
2650
2651        snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
2652                 init_utsname()->sysname,
2653                 init_utsname()->release,
2654                 init_utsname()->version);
2655
2656        len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2657        len += (len & 3) ? (4 - (len & 3)) : 4;
2658        size = FOURBYTES + len;
2659        ad->AttrLen = cpu_to_be16(size);
2660        ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
2661        return size;
2662}
2663
2664static int
2665lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
2666                          struct lpfc_fdmi_attr_def *ad)
2667{
2668        struct lpfc_fdmi_attr_entry *ae;
2669        uint32_t size;
2670
2671        ae = &ad->AttrValue;
2672
2673        ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
2674        size = FOURBYTES + sizeof(uint32_t);
2675        ad->AttrLen = cpu_to_be16(size);
2676        ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
2677        return size;
2678}
2679
2680static int
2681lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
2682                                 struct lpfc_fdmi_attr_def *ad)
2683{
2684        struct lpfc_fdmi_attr_entry *ae;
2685        uint32_t len, size;
2686
2687        ae = &ad->AttrValue;
2688        memset(ae, 0, sizeof(*ae));
2689
2690        len = lpfc_vport_symbolic_node_name(vport,
2691                                ae->un.AttrString, 256);
2692        len += (len & 3) ? (4 - (len & 3)) : 4;
2693        size = FOURBYTES + len;
2694        ad->AttrLen = cpu_to_be16(size);
2695        ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
2696        return size;
2697}
2698
2699static int
2700lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
2701                               struct lpfc_fdmi_attr_def *ad)
2702{
2703        struct lpfc_fdmi_attr_entry *ae;
2704        uint32_t size;
2705
2706        ae = &ad->AttrValue;
2707
2708        /* Nothing is defined for this currently */
2709        ae->un.AttrInt =  cpu_to_be32(0);
2710        size = FOURBYTES + sizeof(uint32_t);
2711        ad->AttrLen = cpu_to_be16(size);
2712        ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
2713        return size;
2714}
2715
2716static int
2717lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
2718                             struct lpfc_fdmi_attr_def *ad)
2719{
2720        struct lpfc_fdmi_attr_entry *ae;
2721        uint32_t size;
2722
2723        ae = &ad->AttrValue;
2724
2725        /* Each driver instance corresponds to a single port */
2726        ae->un.AttrInt =  cpu_to_be32(1);
2727        size = FOURBYTES + sizeof(uint32_t);
2728        ad->AttrLen = cpu_to_be16(size);
2729        ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2730        return size;
2731}
2732
2733static int
2734lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2735                               struct lpfc_fdmi_attr_def *ad)
2736{
2737        struct lpfc_fdmi_attr_entry *ae;
2738        uint32_t size;
2739
2740        ae = &ad->AttrValue;
2741        memset(ae, 0, sizeof(*ae));
2742
2743        memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2744               sizeof(struct lpfc_name));
2745        size = FOURBYTES + sizeof(struct lpfc_name);
2746        ad->AttrLen = cpu_to_be16(size);
2747        ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2748        return size;
2749}
2750
2751static int
2752lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2753                            struct lpfc_fdmi_attr_def *ad)
2754{
2755        struct lpfc_hba *phba = vport->phba;
2756        struct lpfc_fdmi_attr_entry *ae;
2757        uint32_t len, size;
2758
2759        ae = &ad->AttrValue;
2760        memset(ae, 0, sizeof(*ae));
2761
2762        strlcat(ae->un.AttrString, phba->BIOSVersion,
2763                sizeof(ae->un.AttrString));
2764        len = strnlen(ae->un.AttrString,
2765                          sizeof(ae->un.AttrString));
2766        len += (len & 3) ? (4 - (len & 3)) : 4;
2767        size = FOURBYTES + len;
2768        ad->AttrLen = cpu_to_be16(size);
2769        ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2770        return size;
2771}
2772
2773static int
2774lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2775                              struct lpfc_fdmi_attr_def *ad)
2776{
2777        struct lpfc_fdmi_attr_entry *ae;
2778        uint32_t size;
2779
2780        ae = &ad->AttrValue;
2781
2782        /* Driver doesn't have access to this information */
2783        ae->un.AttrInt =  cpu_to_be32(0);
2784        size = FOURBYTES + sizeof(uint32_t);
2785        ad->AttrLen = cpu_to_be16(size);
2786        ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2787        return size;
2788}
2789
2790static int
2791lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2792                             struct lpfc_fdmi_attr_def *ad)
2793{
2794        struct lpfc_fdmi_attr_entry *ae;
2795        uint32_t len, size;
2796
2797        ae = &ad->AttrValue;
2798        memset(ae, 0, sizeof(*ae));
2799
2800        strncpy(ae->un.AttrString, "EMULEX",
2801                sizeof(ae->un.AttrString));
2802        len = strnlen(ae->un.AttrString,
2803                          sizeof(ae->un.AttrString));
2804        len += (len & 3) ? (4 - (len & 3)) : 4;
2805        size = FOURBYTES + len;
2806        ad->AttrLen = cpu_to_be16(size);
2807        ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2808        return size;
2809}
2810
2811/* Routines for all individual PORT attributes */
2812static int
2813lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2814                            struct lpfc_fdmi_attr_def *ad)
2815{
2816        struct lpfc_hba   *phba = vport->phba;
2817        struct lpfc_fdmi_attr_entry *ae;
2818        uint32_t size;
2819
2820        ae = &ad->AttrValue;
2821        memset(ae, 0, sizeof(*ae));
2822
2823        ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
2824        ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
2825
2826        /* Check to see if Firmware supports NVME and on physical port */
2827        if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2828            phba->sli4_hba.pc_sli4_params.nvme)
2829                ae->un.AttrTypes[6] = 0x01; /* Type 0x28 - NVME */
2830
2831        size = FOURBYTES + 32;
2832        ad->AttrLen = cpu_to_be16(size);
2833        ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2834        return size;
2835}
2836
2837static int
2838lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2839                                  struct lpfc_fdmi_attr_def *ad)
2840{
2841        struct lpfc_hba   *phba = vport->phba;
2842        struct lpfc_fdmi_attr_entry *ae;
2843        uint32_t size;
2844
2845        ae = &ad->AttrValue;
2846
2847        ae->un.AttrInt = 0;
2848        if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2849                if (phba->lmt & LMT_128Gb)
2850                        ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2851                if (phba->lmt & LMT_64Gb)
2852                        ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2853                if (phba->lmt & LMT_32Gb)
2854                        ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2855                if (phba->lmt & LMT_16Gb)
2856                        ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2857                if (phba->lmt & LMT_10Gb)
2858                        ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2859                if (phba->lmt & LMT_8Gb)
2860                        ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2861                if (phba->lmt & LMT_4Gb)
2862                        ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2863                if (phba->lmt & LMT_2Gb)
2864                        ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2865                if (phba->lmt & LMT_1Gb)
2866                        ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2867        } else {
2868                /* FCoE links support only one speed */
2869                switch (phba->fc_linkspeed) {
2870                case LPFC_ASYNC_LINK_SPEED_10GBPS:
2871                        ae->un.AttrInt = HBA_PORTSPEED_10GE;
2872                        break;
2873                case LPFC_ASYNC_LINK_SPEED_25GBPS:
2874                        ae->un.AttrInt = HBA_PORTSPEED_25GE;
2875                        break;
2876                case LPFC_ASYNC_LINK_SPEED_40GBPS:
2877                        ae->un.AttrInt = HBA_PORTSPEED_40GE;
2878                        break;
2879                case LPFC_ASYNC_LINK_SPEED_100GBPS:
2880                        ae->un.AttrInt = HBA_PORTSPEED_100GE;
2881                        break;
2882                }
2883        }
2884        ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2885        size = FOURBYTES + sizeof(uint32_t);
2886        ad->AttrLen = cpu_to_be16(size);
2887        ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2888        return size;
2889}
2890
2891static int
2892lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2893                          struct lpfc_fdmi_attr_def *ad)
2894{
2895        struct lpfc_hba   *phba = vport->phba;
2896        struct lpfc_fdmi_attr_entry *ae;
2897        uint32_t size;
2898
2899        ae = &ad->AttrValue;
2900
2901        if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2902                switch (phba->fc_linkspeed) {
2903                case LPFC_LINK_SPEED_1GHZ:
2904                        ae->un.AttrInt = HBA_PORTSPEED_1GFC;
2905                        break;
2906                case LPFC_LINK_SPEED_2GHZ:
2907                        ae->un.AttrInt = HBA_PORTSPEED_2GFC;
2908                        break;
2909                case LPFC_LINK_SPEED_4GHZ:
2910                        ae->un.AttrInt = HBA_PORTSPEED_4GFC;
2911                        break;
2912                case LPFC_LINK_SPEED_8GHZ:
2913                        ae->un.AttrInt = HBA_PORTSPEED_8GFC;
2914                        break;
2915                case LPFC_LINK_SPEED_10GHZ:
2916                        ae->un.AttrInt = HBA_PORTSPEED_10GFC;
2917                        break;
2918                case LPFC_LINK_SPEED_16GHZ:
2919                        ae->un.AttrInt = HBA_PORTSPEED_16GFC;
2920                        break;
2921                case LPFC_LINK_SPEED_32GHZ:
2922                        ae->un.AttrInt = HBA_PORTSPEED_32GFC;
2923                        break;
2924                case LPFC_LINK_SPEED_64GHZ:
2925                        ae->un.AttrInt = HBA_PORTSPEED_64GFC;
2926                        break;
2927                case LPFC_LINK_SPEED_128GHZ:
2928                        ae->un.AttrInt = HBA_PORTSPEED_128GFC;
2929                        break;
2930                default:
2931                        ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2932                        break;
2933                }
2934        } else {
2935                switch (phba->fc_linkspeed) {
2936                case LPFC_ASYNC_LINK_SPEED_10GBPS:
2937                        ae->un.AttrInt = HBA_PORTSPEED_10GE;
2938                        break;
2939                case LPFC_ASYNC_LINK_SPEED_25GBPS:
2940                        ae->un.AttrInt = HBA_PORTSPEED_25GE;
2941                        break;
2942                case LPFC_ASYNC_LINK_SPEED_40GBPS:
2943                        ae->un.AttrInt = HBA_PORTSPEED_40GE;
2944                        break;
2945                case LPFC_ASYNC_LINK_SPEED_100GBPS:
2946                        ae->un.AttrInt = HBA_PORTSPEED_100GE;
2947                        break;
2948                default:
2949                        ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2950                        break;
2951                }
2952        }
2953
2954        ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2955        size = FOURBYTES + sizeof(uint32_t);
2956        ad->AttrLen = cpu_to_be16(size);
2957        ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
2958        return size;
2959}
2960
2961static int
2962lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
2963                              struct lpfc_fdmi_attr_def *ad)
2964{
2965        struct serv_parm *hsp;
2966        struct lpfc_fdmi_attr_entry *ae;
2967        uint32_t size;
2968
2969        ae = &ad->AttrValue;
2970
2971        hsp = (struct serv_parm *)&vport->fc_sparam;
2972        ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
2973                          (uint32_t) hsp->cmn.bbRcvSizeLsb;
2974        ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2975        size = FOURBYTES + sizeof(uint32_t);
2976        ad->AttrLen = cpu_to_be16(size);
2977        ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
2978        return size;
2979}
2980
2981static int
2982lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
2983                               struct lpfc_fdmi_attr_def *ad)
2984{
2985        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2986        struct lpfc_fdmi_attr_entry *ae;
2987        uint32_t len, size;
2988
2989        ae = &ad->AttrValue;
2990        memset(ae, 0, sizeof(*ae));
2991
2992        snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
2993                 "/sys/class/scsi_host/host%d", shost->host_no);
2994        len = strnlen((char *)ae->un.AttrString,
2995                          sizeof(ae->un.AttrString));
2996        len += (len & 3) ? (4 - (len & 3)) : 4;
2997        size = FOURBYTES + len;
2998        ad->AttrLen = cpu_to_be16(size);
2999        ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
3000        return size;
3001}
3002
3003static int
3004lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
3005                              struct lpfc_fdmi_attr_def *ad)
3006{
3007        struct lpfc_fdmi_attr_entry *ae;
3008        uint32_t len, size;
3009
3010        ae = &ad->AttrValue;
3011        memset(ae, 0, sizeof(*ae));
3012
3013        scnprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
3014                  vport->phba->os_host_name);
3015
3016        len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3017        len += (len & 3) ? (4 - (len & 3)) : 4;
3018        size = FOURBYTES + len;
3019        ad->AttrLen = cpu_to_be16(size);
3020        ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
3021        return size;
3022}
3023
3024static int
3025lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
3026                         struct lpfc_fdmi_attr_def *ad)
3027{
3028        struct lpfc_fdmi_attr_entry *ae;
3029        uint32_t size;
3030
3031        ae = &ad->AttrValue;
3032        memset(ae, 0, sizeof(*ae));
3033
3034        memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
3035               sizeof(struct lpfc_name));
3036        size = FOURBYTES + sizeof(struct lpfc_name);
3037        ad->AttrLen = cpu_to_be16(size);
3038        ad->AttrType = cpu_to_be16(RPRT_NODENAME);
3039        return size;
3040}
3041
3042static int
3043lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
3044                         struct lpfc_fdmi_attr_def *ad)
3045{
3046        struct lpfc_fdmi_attr_entry *ae;
3047        uint32_t size;
3048
3049        ae = &ad->AttrValue;
3050        memset(ae, 0, sizeof(*ae));
3051
3052        memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
3053               sizeof(struct lpfc_name));
3054        size = FOURBYTES + sizeof(struct lpfc_name);
3055        ad->AttrLen = cpu_to_be16(size);
3056        ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
3057        return size;
3058}
3059
3060static int
3061lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
3062                                  struct lpfc_fdmi_attr_def *ad)
3063{
3064        struct lpfc_fdmi_attr_entry *ae;
3065        uint32_t len, size;
3066
3067        ae = &ad->AttrValue;
3068        memset(ae, 0, sizeof(*ae));
3069
3070        len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
3071        len += (len & 3) ? (4 - (len & 3)) : 4;
3072        size = FOURBYTES + len;
3073        ad->AttrLen = cpu_to_be16(size);
3074        ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
3075        return size;
3076}
3077
3078static int
3079lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
3080                              struct lpfc_fdmi_attr_def *ad)
3081{
3082        struct lpfc_hba *phba = vport->phba;
3083        struct lpfc_fdmi_attr_entry *ae;
3084        uint32_t size;
3085
3086        ae = &ad->AttrValue;
3087        if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
3088                ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
3089        else
3090                ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
3091        size = FOURBYTES + sizeof(uint32_t);
3092        ad->AttrLen = cpu_to_be16(size);
3093        ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
3094        return size;
3095}
3096
3097static int
3098lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
3099                          struct lpfc_fdmi_attr_def *ad)
3100{
3101        struct lpfc_fdmi_attr_entry *ae;
3102        uint32_t size;
3103
3104        ae = &ad->AttrValue;
3105        ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
3106        size = FOURBYTES + sizeof(uint32_t);
3107        ad->AttrLen = cpu_to_be16(size);
3108        ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
3109        return size;
3110}
3111
3112static int
3113lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
3114                                struct lpfc_fdmi_attr_def *ad)
3115{
3116        struct lpfc_fdmi_attr_entry *ae;
3117        uint32_t size;
3118
3119        ae = &ad->AttrValue;
3120        memset(ae, 0, sizeof(*ae));
3121
3122        memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
3123               sizeof(struct lpfc_name));
3124        size = FOURBYTES + sizeof(struct lpfc_name);
3125        ad->AttrLen = cpu_to_be16(size);
3126        ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
3127        return size;
3128}
3129
3130static int
3131lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
3132                                   struct lpfc_fdmi_attr_def *ad)
3133{
3134        struct lpfc_fdmi_attr_entry *ae;
3135        uint32_t size;
3136
3137        ae = &ad->AttrValue;
3138        memset(ae, 0, sizeof(*ae));
3139
3140        ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
3141        ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
3142
3143        /* Check to see if NVME is configured or not */
3144        if (vport->phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3145                ae->un.AttrTypes[6] = 0x1; /* Type 0x28 - NVME */
3146
3147        size = FOURBYTES + 32;
3148        ad->AttrLen = cpu_to_be16(size);
3149        ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
3150        return size;
3151}
3152
3153static int
3154lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
3155                               struct lpfc_fdmi_attr_def *ad)
3156{
3157        struct lpfc_fdmi_attr_entry *ae;
3158        uint32_t size;
3159
3160        ae = &ad->AttrValue;
3161        /* Link Up - operational */
3162        ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
3163        size = FOURBYTES + sizeof(uint32_t);
3164        ad->AttrLen = cpu_to_be16(size);
3165        ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
3166        return size;
3167}
3168
3169static int
3170lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
3171                             struct lpfc_fdmi_attr_def *ad)
3172{
3173        struct lpfc_fdmi_attr_entry *ae;
3174        uint32_t size;
3175
3176        ae = &ad->AttrValue;
3177        vport->fdmi_num_disc = lpfc_find_map_node(vport);
3178        ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
3179        size = FOURBYTES + sizeof(uint32_t);
3180        ad->AttrLen = cpu_to_be16(size);
3181        ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
3182        return size;
3183}
3184
3185static int
3186lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
3187                            struct lpfc_fdmi_attr_def *ad)
3188{
3189        struct lpfc_fdmi_attr_entry *ae;
3190        uint32_t size;
3191
3192        ae = &ad->AttrValue;
3193        ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
3194        size = FOURBYTES + sizeof(uint32_t);
3195        ad->AttrLen = cpu_to_be16(size);
3196        ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
3197        return size;
3198}
3199
3200static int
3201lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
3202                             struct lpfc_fdmi_attr_def *ad)
3203{
3204        struct lpfc_fdmi_attr_entry *ae;
3205        uint32_t len, size;
3206
3207        ae = &ad->AttrValue;
3208        memset(ae, 0, sizeof(*ae));
3209
3210        strncpy(ae->un.AttrString, "Smart SAN Initiator",
3211                sizeof(ae->un.AttrString));
3212        len = strnlen(ae->un.AttrString,
3213                          sizeof(ae->un.AttrString));
3214        len += (len & 3) ? (4 - (len & 3)) : 4;
3215        size = FOURBYTES + len;
3216        ad->AttrLen = cpu_to_be16(size);
3217        ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
3218        return size;
3219}
3220
3221static int
3222lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
3223                          struct lpfc_fdmi_attr_def *ad)
3224{
3225        struct lpfc_fdmi_attr_entry *ae;
3226        uint32_t size;
3227
3228        ae = &ad->AttrValue;
3229        memset(ae, 0, sizeof(*ae));
3230
3231        memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
3232               sizeof(struct lpfc_name));
3233        memcpy((((uint8_t *)&ae->un.AttrString) +
3234                sizeof(struct lpfc_name)),
3235                &vport->fc_sparam.portName, sizeof(struct lpfc_name));
3236        size = FOURBYTES + (2 * sizeof(struct lpfc_name));
3237        ad->AttrLen =  cpu_to_be16(size);
3238        ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
3239        return size;
3240}
3241
3242static int
3243lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
3244                             struct lpfc_fdmi_attr_def *ad)
3245{
3246        struct lpfc_fdmi_attr_entry *ae;
3247        uint32_t len, size;
3248
3249        ae = &ad->AttrValue;
3250        memset(ae, 0, sizeof(*ae));
3251
3252        strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
3253                sizeof(ae->un.AttrString));
3254        len = strnlen(ae->un.AttrString,
3255                          sizeof(ae->un.AttrString));
3256        len += (len & 3) ? (4 - (len & 3)) : 4;
3257        size = FOURBYTES + len;
3258        ad->AttrLen =  cpu_to_be16(size);
3259        ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
3260        return size;
3261}
3262
3263static int
3264lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
3265                           struct lpfc_fdmi_attr_def *ad)
3266{
3267        struct lpfc_hba *phba = vport->phba;
3268        struct lpfc_fdmi_attr_entry *ae;
3269        uint32_t len, size;
3270
3271        ae = &ad->AttrValue;
3272        memset(ae, 0, sizeof(*ae));
3273
3274        strncpy(ae->un.AttrString, phba->ModelName,
3275                sizeof(ae->un.AttrString));
3276        len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3277        len += (len & 3) ? (4 - (len & 3)) : 4;
3278        size = FOURBYTES + len;
3279        ad->AttrLen = cpu_to_be16(size);
3280        ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
3281        return size;
3282}
3283
3284static int
3285lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
3286                               struct lpfc_fdmi_attr_def *ad)
3287{
3288        struct lpfc_fdmi_attr_entry *ae;
3289        uint32_t size;
3290
3291        ae = &ad->AttrValue;
3292
3293        /* SRIOV (type 3) is not supported */
3294        if (vport->vpi)
3295                ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
3296        else
3297                ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
3298        size = FOURBYTES + sizeof(uint32_t);
3299        ad->AttrLen = cpu_to_be16(size);
3300        ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
3301        return size;
3302}
3303
3304static int
3305lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
3306                         struct lpfc_fdmi_attr_def *ad)
3307{
3308        struct lpfc_fdmi_attr_entry *ae;
3309        uint32_t size;
3310
3311        ae = &ad->AttrValue;
3312        ae->un.AttrInt =  cpu_to_be32(0);
3313        size = FOURBYTES + sizeof(uint32_t);
3314        ad->AttrLen = cpu_to_be16(size);
3315        ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
3316        return size;
3317}
3318
3319static int
3320lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
3321                              struct lpfc_fdmi_attr_def *ad)
3322{
3323        struct lpfc_fdmi_attr_entry *ae;
3324        uint32_t size;
3325
3326        ae = &ad->AttrValue;
3327        ae->un.AttrInt =  cpu_to_be32(1);
3328        size = FOURBYTES + sizeof(uint32_t);
3329        ad->AttrLen = cpu_to_be16(size);
3330        ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
3331        return size;
3332}
3333
3334static int
3335lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport,
3336                          struct lpfc_fdmi_attr_def *ad)
3337{
3338        struct lpfc_hba *phba = vport->phba;
3339        struct lpfc_fdmi_attr_entry *ae;
3340        uint32_t len, size;
3341        char mibrevision[16];
3342
3343        ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
3344        memset(ae, 0, 256);
3345        sprintf(mibrevision, "ELXE2EM:%04d",
3346                phba->sli4_hba.pc_sli4_params.mi_value);
3347        strncpy(ae->un.AttrString, &mibrevision[0], sizeof(ae->un.AttrString));
3348        len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3349        len += (len & 3) ? (4 - (len & 3)) : 4;
3350        size = FOURBYTES + len;
3351        ad->AttrLen = cpu_to_be16(size);
3352        ad->AttrType = cpu_to_be16(RPRT_VENDOR_MI);
3353        return size;
3354}
3355
3356/* RHBA attribute jump table */
3357int (*lpfc_fdmi_hba_action[])
3358        (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3359        /* Action routine                 Mask bit     Attribute type */
3360        lpfc_fdmi_hba_attr_wwnn,          /* bit0     RHBA_NODENAME           */
3361        lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
3362        lpfc_fdmi_hba_attr_sn,            /* bit2     RHBA_SERIAL_NUMBER      */
3363        lpfc_fdmi_hba_attr_model,         /* bit3     RHBA_MODEL              */
3364        lpfc_fdmi_hba_attr_description,   /* bit4     RHBA_MODEL_DESCRIPTION  */
3365        lpfc_fdmi_hba_attr_hdw_ver,       /* bit5     RHBA_HARDWARE_VERSION   */
3366        lpfc_fdmi_hba_attr_drvr_ver,      /* bit6     RHBA_DRIVER_VERSION     */
3367        lpfc_fdmi_hba_attr_rom_ver,       /* bit7     RHBA_OPTION_ROM_VERSION */
3368        lpfc_fdmi_hba_attr_fmw_ver,       /* bit8     RHBA_FIRMWARE_VERSION   */
3369        lpfc_fdmi_hba_attr_os_ver,        /* bit9     RHBA_OS_NAME_VERSION    */
3370        lpfc_fdmi_hba_attr_ct_len,        /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
3371        lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
3372        lpfc_fdmi_hba_attr_vendor_info,   /* bit12    RHBA_VENDOR_INFO        */
3373        lpfc_fdmi_hba_attr_num_ports,     /* bit13    RHBA_NUM_PORTS          */
3374        lpfc_fdmi_hba_attr_fabric_wwnn,   /* bit14    RHBA_FABRIC_WWNN        */
3375        lpfc_fdmi_hba_attr_bios_ver,      /* bit15    RHBA_BIOS_VERSION       */
3376        lpfc_fdmi_hba_attr_bios_state,    /* bit16    RHBA_BIOS_STATE         */
3377        lpfc_fdmi_hba_attr_vendor_id,     /* bit17    RHBA_VENDOR_ID          */
3378};
3379
3380/* RPA / RPRT attribute jump table */
3381int (*lpfc_fdmi_port_action[])
3382        (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3383        /* Action routine                   Mask bit   Attribute type */
3384        lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
3385        lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
3386        lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
3387        lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
3388        lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
3389        lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
3390        lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
3391        lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
3392        lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
3393        lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
3394        lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
3395        lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
3396        lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
3397        lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
3398        lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
3399        lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
3400        lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
3401        lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
3402        lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
3403        lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
3404        lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
3405        lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
3406        lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
3407        lpfc_fdmi_vendor_attr_mi,           /* bit23  RPRT_VENDOR_MI          */
3408};
3409
3410/**
3411 * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3412 * @vport: pointer to a host virtual N_Port data structure.
3413 * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3414 * @cmdcode: FDMI command to send
3415 * @new_mask: Mask of HBA or PORT Attributes to send
3416 *
3417 * Builds and sends a FDMI command using the CT subsystem.
3418 */
3419int
3420lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3421              int cmdcode, uint32_t new_mask)
3422{
3423        struct lpfc_hba *phba = vport->phba;
3424        struct lpfc_dmabuf *mp, *bmp;
3425        struct lpfc_sli_ct_request *CtReq;
3426        struct ulp_bde64 *bpl;
3427        uint32_t bit_pos;
3428        uint32_t size;
3429        uint32_t rsp_size;
3430        uint32_t mask;
3431        struct lpfc_fdmi_reg_hba *rh;
3432        struct lpfc_fdmi_port_entry *pe;
3433        struct lpfc_fdmi_reg_portattr *pab = NULL;
3434        struct lpfc_fdmi_attr_block *ab = NULL;
3435        int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
3436        void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
3437                     struct lpfc_iocbq *);
3438
3439        if (!ndlp)
3440                return 0;
3441
3442        cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3443
3444        /* fill in BDEs for command */
3445        /* Allocate buffer for command payload */
3446        mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3447        if (!mp)
3448                goto fdmi_cmd_exit;
3449
3450        mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
3451        if (!mp->virt)
3452                goto fdmi_cmd_free_mp;
3453
3454        /* Allocate buffer for Buffer ptr list */
3455        bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3456        if (!bmp)
3457                goto fdmi_cmd_free_mpvirt;
3458
3459        bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
3460        if (!bmp->virt)
3461                goto fdmi_cmd_free_bmp;
3462
3463        INIT_LIST_HEAD(&mp->list);
3464        INIT_LIST_HEAD(&bmp->list);
3465
3466        /* FDMI request */
3467        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3468                         "0218 FDMI Request Data: x%x x%x x%x\n",
3469                         vport->fc_flag, vport->port_state, cmdcode);
3470        CtReq = (struct lpfc_sli_ct_request *)mp->virt;
3471
3472        /* First populate the CT_IU preamble */
3473        memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
3474        CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3475        CtReq->RevisionId.bits.InId = 0;
3476
3477        CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3478        CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3479
3480        CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3481        rsp_size = LPFC_BPL_SIZE;
3482        size = 0;
3483
3484        /* Next fill in the specific FDMI cmd information */
3485        switch (cmdcode) {
3486        case SLI_MGMT_RHAT:
3487        case SLI_MGMT_RHBA:
3488                rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
3489                /* HBA Identifier */
3490                memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3491                       sizeof(struct lpfc_name));
3492
3493                if (cmdcode == SLI_MGMT_RHBA) {
3494                        /* Registered Port List */
3495                        /* One entry (port) per adapter */
3496                        rh->rpl.EntryCnt = cpu_to_be32(1);
3497                        memcpy(&rh->rpl.pe.PortName,
3498                               &phba->pport->fc_sparam.portName,
3499                               sizeof(struct lpfc_name));
3500
3501                        /* point to the HBA attribute block */
3502                        size = 2 * sizeof(struct lpfc_name) +
3503                                FOURBYTES;
3504                } else {
3505                        size = sizeof(struct lpfc_name);
3506                }
3507                ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3508                ab->EntryCnt = 0;
3509                size += FOURBYTES;
3510                bit_pos = 0;
3511                if (new_mask)
3512                        mask = new_mask;
3513                else
3514                        mask = vport->fdmi_hba_mask;
3515
3516                /* Mask will dictate what attributes to build in the request */
3517                while (mask) {
3518                        if (mask & 0x1) {
3519                                func = lpfc_fdmi_hba_action[bit_pos];
3520                                size += func(vport,
3521                                             (struct lpfc_fdmi_attr_def *)
3522                                             ((uint8_t *)rh + size));
3523                                ab->EntryCnt++;
3524                                if ((size + 256) >
3525                                    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3526                                        goto hba_out;
3527                        }
3528                        mask = mask >> 1;
3529                        bit_pos++;
3530                }
3531hba_out:
3532                ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3533                /* Total size */
3534                size = GID_REQUEST_SZ - 4 + size;
3535                break;
3536
3537        case SLI_MGMT_RPRT:
3538        case SLI_MGMT_RPA:
3539                pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
3540                if (cmdcode == SLI_MGMT_RPRT) {
3541                        rh = (struct lpfc_fdmi_reg_hba *)pab;
3542                        /* HBA Identifier */
3543                        memcpy(&rh->hi.PortName,
3544                               &phba->pport->fc_sparam.portName,
3545                               sizeof(struct lpfc_name));
3546                        pab = (struct lpfc_fdmi_reg_portattr *)
3547                                ((uint8_t *)pab +  sizeof(struct lpfc_name));
3548                }
3549
3550                memcpy((uint8_t *)&pab->PortName,
3551                       (uint8_t *)&vport->fc_sparam.portName,
3552                       sizeof(struct lpfc_name));
3553                size += sizeof(struct lpfc_name) + FOURBYTES;
3554                pab->ab.EntryCnt = 0;
3555                bit_pos = 0;
3556                if (new_mask)
3557                        mask = new_mask;
3558                else
3559                        mask = vport->fdmi_port_mask;
3560
3561                /* Mask will dictate what attributes to build in the request */
3562                while (mask) {
3563                        if (mask & 0x1) {
3564                                func = lpfc_fdmi_port_action[bit_pos];
3565                                size += func(vport,
3566                                             (struct lpfc_fdmi_attr_def *)
3567                                             ((uint8_t *)pab + size));
3568                                pab->ab.EntryCnt++;
3569                                if ((size + 256) >
3570                                    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3571                                        goto port_out;
3572                        }
3573                        mask = mask >> 1;
3574                        bit_pos++;
3575                }
3576port_out:
3577                pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3578                /* Total size */
3579                if (cmdcode == SLI_MGMT_RPRT)
3580                        size += sizeof(struct lpfc_name);
3581                size = GID_REQUEST_SZ - 4 + size;
3582                break;
3583
3584        case SLI_MGMT_GHAT:
3585        case SLI_MGMT_GRPL:
3586                rsp_size = FC_MAX_NS_RSP;
3587                fallthrough;
3588        case SLI_MGMT_DHBA:
3589        case SLI_MGMT_DHAT:
3590                pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3591                memcpy((uint8_t *)&pe->PortName,
3592                       (uint8_t *)&vport->fc_sparam.portName,
3593                       sizeof(struct lpfc_name));
3594                size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3595                break;
3596
3597        case SLI_MGMT_GPAT:
3598        case SLI_MGMT_GPAS:
3599                rsp_size = FC_MAX_NS_RSP;
3600                fallthrough;
3601        case SLI_MGMT_DPRT:
3602        case SLI_MGMT_DPA:
3603                pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3604                memcpy((uint8_t *)&pe->PortName,
3605                       (uint8_t *)&vport->fc_sparam.portName,
3606                       sizeof(struct lpfc_name));
3607                size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3608                break;
3609        case SLI_MGMT_GRHL:
3610                size = GID_REQUEST_SZ - 4;
3611                break;
3612        default:
3613                lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3614                                 "0298 FDMI cmdcode x%x not supported\n",
3615                                 cmdcode);
3616                goto fdmi_cmd_free_bmpvirt;
3617        }
3618        CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3619
3620        bpl = (struct ulp_bde64 *)bmp->virt;
3621        bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
3622        bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
3623        bpl->tus.f.bdeFlags = 0;
3624        bpl->tus.f.bdeSize = size;
3625
3626        /*
3627         * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3628         * to hold ndlp reference for the corresponding callback function.
3629         */
3630        if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
3631                return 0;
3632
3633fdmi_cmd_free_bmpvirt:
3634        lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3635fdmi_cmd_free_bmp:
3636        kfree(bmp);
3637fdmi_cmd_free_mpvirt:
3638        lpfc_mbuf_free(phba, mp->virt, mp->phys);
3639fdmi_cmd_free_mp:
3640        kfree(mp);
3641fdmi_cmd_exit:
3642        /* Issue FDMI request failed */
3643        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3644                         "0244 Issue FDMI request failed Data: x%x\n",
3645                         cmdcode);
3646        return 1;
3647}
3648
3649/**
3650 * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3651 * @t: Context object of the timer.
3652 *
3653 * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3654 * the worker thread.
3655 **/
3656void
3657lpfc_delayed_disc_tmo(struct timer_list *t)
3658{
3659        struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3660        struct lpfc_hba   *phba = vport->phba;
3661        uint32_t tmo_posted;
3662        unsigned long iflag;
3663
3664        spin_lock_irqsave(&vport->work_port_lock, iflag);
3665        tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3666        if (!tmo_posted)
3667                vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3668        spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3669
3670        if (!tmo_posted)
3671                lpfc_worker_wake_up(phba);
3672        return;
3673}
3674
3675/**
3676 * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3677 *      handle delayed discovery.
3678 * @vport: pointer to a host virtual N_Port data structure.
3679 *
3680 * This function start nport discovery of the vport.
3681 **/
3682void
3683lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3684{
3685        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3686
3687        spin_lock_irq(shost->host_lock);
3688        if (!(vport->fc_flag & FC_DISC_DELAYED)) {
3689                spin_unlock_irq(shost->host_lock);
3690                return;
3691        }
3692        vport->fc_flag &= ~FC_DISC_DELAYED;
3693        spin_unlock_irq(shost->host_lock);
3694
3695        lpfc_do_scr_ns_plogi(vport->phba, vport);
3696}
3697
3698void
3699lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3700{
3701        struct lpfc_sli *psli = &phba->sli;
3702        lpfc_vpd_t *vp = &phba->vpd;
3703        uint32_t b1, b2, b3, b4, i, rev;
3704        char c;
3705        uint32_t *ptr, str[4];
3706        uint8_t *fwname;
3707
3708        if (phba->sli_rev == LPFC_SLI_REV4)
3709                snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3710        else if (vp->rev.rBit) {
3711                if (psli->sli_flag & LPFC_SLI_ACTIVE)
3712                        rev = vp->rev.sli2FwRev;
3713                else
3714                        rev = vp->rev.sli1FwRev;
3715
3716                b1 = (rev & 0x0000f000) >> 12;
3717                b2 = (rev & 0x00000f00) >> 8;
3718                b3 = (rev & 0x000000c0) >> 6;
3719                b4 = (rev & 0x00000030) >> 4;
3720
3721                switch (b4) {
3722                case 0:
3723                        c = 'N';
3724                        break;
3725                case 1:
3726                        c = 'A';
3727                        break;
3728                case 2:
3729                        c = 'B';
3730                        break;
3731                case 3:
3732                        c = 'X';
3733                        break;
3734                default:
3735                        c = 0;
3736                        break;
3737                }
3738                b4 = (rev & 0x0000000f);
3739
3740                if (psli->sli_flag & LPFC_SLI_ACTIVE)
3741                        fwname = vp->rev.sli2FwName;
3742                else
3743                        fwname = vp->rev.sli1FwName;
3744
3745                for (i = 0; i < 16; i++)
3746                        if (fwname[i] == 0x20)
3747                                fwname[i] = 0;
3748
3749                ptr = (uint32_t*)fwname;
3750
3751                for (i = 0; i < 3; i++)
3752                        str[i] = be32_to_cpu(*ptr++);
3753
3754                if (c == 0) {
3755                        if (flag)
3756                                sprintf(fwrevision, "%d.%d%d (%s)",
3757                                        b1, b2, b3, (char *)str);
3758                        else
3759                                sprintf(fwrevision, "%d.%d%d", b1,
3760                                        b2, b3);
3761                } else {
3762                        if (flag)
3763                                sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3764                                        b1, b2, b3, c,
3765                                        b4, (char *)str);
3766                        else
3767                                sprintf(fwrevision, "%d.%d%d%c%d",
3768                                        b1, b2, b3, c, b4);
3769                }
3770        } else {
3771                rev = vp->rev.smFwRev;
3772
3773                b1 = (rev & 0xff000000) >> 24;
3774                b2 = (rev & 0x00f00000) >> 20;
3775                b3 = (rev & 0x000f0000) >> 16;
3776                c  = (rev & 0x0000ff00) >> 8;
3777                b4 = (rev & 0x000000ff);
3778
3779                sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3780        }
3781        return;
3782}
3783
3784static void
3785lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3786                      struct lpfc_iocbq *rspiocb)
3787{
3788        struct lpfc_vport *vport = cmdiocb->vport;
3789        struct lpfc_dmabuf *inp = cmdiocb->context1;
3790        struct lpfc_dmabuf *outp = cmdiocb->context2;
3791        struct lpfc_sli_ct_request *ctcmd = inp->virt;
3792        struct lpfc_sli_ct_request *ctrsp = outp->virt;
3793        u16 rsp = ctrsp->CommandResponse.bits.CmdRsp;
3794        struct app_id_object *app;
3795        u32 cmd, hash, bucket;
3796        struct lpfc_vmid *vmp, *cur;
3797        u8 *data = outp->virt;
3798        int i;
3799
3800        cmd = be16_to_cpu(ctcmd->CommandResponse.bits.CmdRsp);
3801        if (cmd == SLI_CTAS_DALLAPP_ID)
3802                lpfc_ct_free_iocb(phba, cmdiocb);
3803
3804        if (lpfc_els_chk_latt(vport) || rspiocb->iocb.ulpStatus) {
3805                if (cmd != SLI_CTAS_DALLAPP_ID)
3806                        return;
3807        }
3808        /* Check for a CT LS_RJT response */
3809        if (rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
3810                if (cmd != SLI_CTAS_DALLAPP_ID)
3811                        lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3812                                         "3306 VMID FS_RJT Data: x%x x%x x%x\n",
3813                                         cmd, ctrsp->ReasonCode,
3814                                         ctrsp->Explanation);
3815                if ((cmd != SLI_CTAS_DALLAPP_ID) ||
3816                    (ctrsp->ReasonCode != SLI_CT_UNABLE_TO_PERFORM_REQ) ||
3817                    (ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) {
3818                        /* If DALLAPP_ID failed retry later */
3819                        if (cmd == SLI_CTAS_DALLAPP_ID)
3820                                vport->load_flag |= FC_DEREGISTER_ALL_APP_ID;
3821                        return;
3822                }
3823        }
3824
3825        switch (cmd) {
3826        case SLI_CTAS_RAPP_IDENT:
3827                app = (struct app_id_object *)(RAPP_IDENT_OFFSET + data);
3828                lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3829                                 "6712 RAPP_IDENT app id %d  port id x%x id "
3830                                 "len %d\n", be32_to_cpu(app->app_id),
3831                                 be32_to_cpu(app->port_id),
3832                                 app->obj.entity_id_len);
3833
3834                if (app->obj.entity_id_len == 0 || app->port_id == 0)
3835                        return;
3836
3837                hash = lpfc_vmid_hash_fn(app->obj.entity_id,
3838                                         app->obj.entity_id_len);
3839                vmp = lpfc_get_vmid_from_hashtable(vport, hash,
3840                                                  app->obj.entity_id);
3841                if (vmp) {
3842                        write_lock(&vport->vmid_lock);
3843                        vmp->un.app_id = be32_to_cpu(app->app_id);
3844                        vmp->flag |= LPFC_VMID_REGISTERED;
3845                        vmp->flag &= ~LPFC_VMID_REQ_REGISTER;
3846                        write_unlock(&vport->vmid_lock);
3847                        /* Set IN USE flag */
3848                        vport->vmid_flag |= LPFC_VMID_IN_USE;
3849                } else {
3850                        lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3851                                         "6901 No entry found %s hash %d\n",
3852                                         app->obj.entity_id, hash);
3853                }
3854                break;
3855        case SLI_CTAS_DAPP_IDENT:
3856                app = (struct app_id_object *)(DAPP_IDENT_OFFSET + data);
3857                lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3858                                 "6713 DAPP_IDENT app id %d  port id x%x\n",
3859                                 be32_to_cpu(app->app_id),
3860                                 be32_to_cpu(app->port_id));
3861                break;
3862        case SLI_CTAS_DALLAPP_ID:
3863                lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3864                                 "8856 Deregistered all app ids\n");
3865                read_lock(&vport->vmid_lock);
3866                for (i = 0; i < phba->cfg_max_vmid; i++) {
3867                        vmp = &vport->vmid[i];
3868                        if (vmp->flag != LPFC_VMID_SLOT_FREE)
3869                                memset(vmp, 0, sizeof(struct lpfc_vmid));
3870                }
3871                read_unlock(&vport->vmid_lock);
3872                /* for all elements in the hash table */
3873                if (!hash_empty(vport->hash_table))
3874                        hash_for_each(vport->hash_table, bucket, cur, hnode)
3875                                hash_del(&cur->hnode);
3876                vport->load_flag |= FC_ALLOW_VMID;
3877                break;
3878        default:
3879                lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3880                                 "8857 Invalid command code\n");
3881        }
3882}
3883
3884/**
3885 * lpfc_vmid_cmd - Build and send a FDMI cmd to the specified NPort
3886 * @vport: pointer to a host virtual N_Port data structure.
3887 * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3888 * cmdcode: FDMI command to send
3889 * mask: Mask of HBA or PORT Attributes to send
3890 *
3891 * Builds and sends a FDMI command using the CT subsystem.
3892 */
3893int
3894lpfc_vmid_cmd(struct lpfc_vport *vport,
3895              int cmdcode, struct lpfc_vmid *vmid)
3896{
3897        struct lpfc_hba *phba = vport->phba;
3898        struct lpfc_dmabuf *mp, *bmp;
3899        struct lpfc_sli_ct_request *ctreq;
3900        struct ulp_bde64 *bpl;
3901        u32 size;
3902        u32 rsp_size;
3903        u8 *data;
3904        struct lpfc_vmid_rapp_ident_list *rap;
3905        struct lpfc_vmid_dapp_ident_list *dap;
3906        u8 retry = 0;
3907        struct lpfc_nodelist *ndlp;
3908
3909        void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3910                     struct lpfc_iocbq *rspiocb);
3911
3912        ndlp = lpfc_findnode_did(vport, FDMI_DID);
3913        if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
3914                return 0;
3915
3916        cmpl = lpfc_cmpl_ct_cmd_vmid;
3917
3918        /* fill in BDEs for command */
3919        /* Allocate buffer for command payload */
3920        mp = kmalloc(sizeof(*mp), GFP_KERNEL);
3921        if (!mp)
3922                goto vmid_free_mp_exit;
3923
3924        mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3925        if (!mp->virt)
3926                goto vmid_free_mp_virt_exit;
3927
3928        /* Allocate buffer for Buffer ptr list */
3929        bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
3930        if (!bmp)
3931                goto vmid_free_bmp_exit;
3932
3933        bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
3934        if (!bmp->virt)
3935                goto vmid_free_bmp_virt_exit;
3936
3937        INIT_LIST_HEAD(&mp->list);
3938        INIT_LIST_HEAD(&bmp->list);
3939
3940        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3941                         "3275 VMID Request Data: x%x x%x x%x\n",
3942                         vport->fc_flag, vport->port_state, cmdcode);
3943        ctreq = (struct lpfc_sli_ct_request *)mp->virt;
3944        data = mp->virt;
3945        /* First populate the CT_IU preamble */
3946        memset(data, 0, LPFC_BPL_SIZE);
3947        ctreq->RevisionId.bits.Revision = SLI_CT_REVISION;
3948        ctreq->RevisionId.bits.InId = 0;
3949
3950        ctreq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3951        ctreq->FsSubType = SLI_CT_APP_SEV_Subtypes;
3952
3953        ctreq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3954        rsp_size = LPFC_BPL_SIZE;
3955        size = 0;
3956
3957        switch (cmdcode) {
3958        case SLI_CTAS_RAPP_IDENT:
3959                lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3960                                 "1329 RAPP_IDENT for %s\n", vmid->host_vmid);
3961                ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3962                rap = (struct lpfc_vmid_rapp_ident_list *)
3963                        (DAPP_IDENT_OFFSET + data);
3964                rap->no_of_objects = cpu_to_be32(1);
3965                rap->obj[0].entity_id_len = vmid->vmid_len;
3966                memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3967                size = RAPP_IDENT_OFFSET +
3968                        sizeof(struct lpfc_vmid_rapp_ident_list);
3969                retry = 1;
3970                break;
3971
3972        case SLI_CTAS_GALLAPPIA_ID:
3973                ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3974                size = GALLAPPIA_ID_SIZE;
3975                break;
3976
3977        case SLI_CTAS_DAPP_IDENT:
3978                lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3979                                 "1469 DAPP_IDENT for %s\n", vmid->host_vmid);
3980                ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3981                dap = (struct lpfc_vmid_dapp_ident_list *)
3982                        (DAPP_IDENT_OFFSET + data);
3983                dap->no_of_objects = cpu_to_be32(1);
3984                dap->obj[0].entity_id_len = vmid->vmid_len;
3985                memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3986                size = DAPP_IDENT_OFFSET +
3987                        sizeof(struct lpfc_vmid_dapp_ident_list);
3988                write_lock(&vport->vmid_lock);
3989                vmid->flag &= ~LPFC_VMID_REGISTERED;
3990                write_unlock(&vport->vmid_lock);
3991                retry = 1;
3992                break;
3993
3994        case SLI_CTAS_DALLAPP_ID:
3995                ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3996                size = DALLAPP_ID_SIZE;
3997                break;
3998
3999        default:
4000                lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4001                                 "7062 VMID cmdcode x%x not supported\n",
4002                                 cmdcode);
4003                goto vmid_free_all_mem;
4004        }
4005
4006        ctreq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
4007
4008        bpl = (struct ulp_bde64 *)bmp->virt;
4009        bpl->addrHigh = putPaddrHigh(mp->phys);
4010        bpl->addrLow = putPaddrLow(mp->phys);
4011        bpl->tus.f.bdeFlags = 0;
4012        bpl->tus.f.bdeSize = size;
4013
4014        /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
4015         * to hold ndlp reference for the corresponding callback function.
4016         */
4017        if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry))
4018                return 0;
4019
4020 vmid_free_all_mem:
4021        lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
4022 vmid_free_bmp_virt_exit:
4023        kfree(bmp);
4024 vmid_free_bmp_exit:
4025        lpfc_mbuf_free(phba, mp->virt, mp->phys);
4026 vmid_free_mp_virt_exit:
4027        kfree(mp);
4028 vmid_free_mp_exit:
4029
4030        /* Issue CT request failed */
4031        lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4032                         "3276 VMID CT request failed Data: x%x\n", cmdcode);