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) 2017-2020 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;
  78
  79static void
  80lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  81                          struct lpfc_dmabuf *mp, uint32_t size)
  82{
  83        if (!mp) {
  84                lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  85                                "0146 Ignoring unsolicited CT No HBQ "
  86                                "status = x%x\n",
  87                                piocbq->iocb.ulpStatus);
  88        }
  89        lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  90                        "0145 Ignoring unsolicted CT HBQ Size:%d "
  91                        "status = x%x\n",
  92                        size, piocbq->iocb.ulpStatus);
  93}
  94
  95static void
  96lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  97                     struct lpfc_dmabuf *mp, uint32_t size)
  98{
  99        lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
 100}
 101
 102void
 103lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 104                    struct lpfc_iocbq *piocbq)
 105{
 106        struct lpfc_dmabuf *mp = NULL;
 107        IOCB_t *icmd = &piocbq->iocb;
 108        int i;
 109        struct lpfc_iocbq *iocbq;
 110        dma_addr_t paddr;
 111        uint32_t size;
 112        struct list_head head;
 113        struct lpfc_dmabuf *bdeBuf;
 114
 115        if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
 116                return;
 117
 118        if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
 119                lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
 120        } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 121                   ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
 122                   IOERR_RCV_BUFFER_WAITING)) {
 123                /* Not enough posted buffers; Try posting more buffers */
 124                phba->fc_stat.NoRcvBuf++;
 125                if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 126                        lpfc_post_buffer(phba, pring, 2);
 127                return;
 128        }
 129
 130        /* If there are no BDEs associated with this IOCB,
 131         * there is nothing to do.
 132         */
 133        if (icmd->ulpBdeCount == 0)
 134                return;
 135
 136        if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 137                INIT_LIST_HEAD(&head);
 138                list_add_tail(&head, &piocbq->list);
 139                list_for_each_entry(iocbq, &head, list) {
 140                        icmd = &iocbq->iocb;
 141                        if (icmd->ulpBdeCount == 0)
 142                                continue;
 143                        bdeBuf = iocbq->context2;
 144                        iocbq->context2 = NULL;
 145                        size  = icmd->un.cont64[0].tus.f.bdeSize;
 146                        lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
 147                        lpfc_in_buf_free(phba, bdeBuf);
 148                        if (icmd->ulpBdeCount == 2) {
 149                                bdeBuf = iocbq->context3;
 150                                iocbq->context3 = NULL;
 151                                size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
 152                                lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
 153                                                     size);
 154                                lpfc_in_buf_free(phba, bdeBuf);
 155                        }
 156                }
 157                list_del(&head);
 158        } else {
 159                INIT_LIST_HEAD(&head);
 160                list_add_tail(&head, &piocbq->list);
 161                list_for_each_entry(iocbq, &head, list) {
 162                        icmd = &iocbq->iocb;
 163                        if (icmd->ulpBdeCount == 0)
 164                                lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 165                        for (i = 0; i < icmd->ulpBdeCount; i++) {
 166                                paddr = getPaddr(icmd->un.cont64[i].addrHigh,
 167                                                 icmd->un.cont64[i].addrLow);
 168                                mp = lpfc_sli_ringpostbuf_get(phba, pring,
 169                                                              paddr);
 170                                size = icmd->un.cont64[i].tus.f.bdeSize;
 171                                lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 172                                lpfc_in_buf_free(phba, mp);
 173                        }
 174                        lpfc_post_buffer(phba, pring, i);
 175                }
 176                list_del(&head);
 177        }
 178}
 179
 180/**
 181 * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
 182 * @phba: Pointer to HBA context object.
 183 * @dmabuf: pointer to a dmabuf that describes the FC sequence
 184 *
 185 * This function serves as the upper level protocol abort handler for CT
 186 * protocol.
 187 *
 188 * Return 1 if abort has been handled, 0 otherwise.
 189 **/
 190int
 191lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
 192{
 193        int handled;
 194
 195        /* CT upper level goes through BSG */
 196        handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
 197
 198        return handled;
 199}
 200
 201static void
 202lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 203{
 204        struct lpfc_dmabuf *mlast, *next_mlast;
 205
 206        list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 207                lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 208                list_del(&mlast->list);
 209                kfree(mlast);
 210        }
 211        lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 212        kfree(mlist);
 213        return;
 214}
 215
 216static struct lpfc_dmabuf *
 217lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 218                  uint32_t size, int *entries)
 219{
 220        struct lpfc_dmabuf *mlist = NULL;
 221        struct lpfc_dmabuf *mp;
 222        int cnt, i = 0;
 223
 224        /* We get chunks of FCELSSIZE */
 225        cnt = size > FCELSSIZE ? FCELSSIZE: size;
 226
 227        while (size) {
 228                /* Allocate buffer for rsp payload */
 229                mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 230                if (!mp) {
 231                        if (mlist)
 232                                lpfc_free_ct_rsp(phba, mlist);
 233                        return NULL;
 234                }
 235
 236                INIT_LIST_HEAD(&mp->list);
 237
 238                if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 239                    cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 240                        mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 241                else
 242                        mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 243
 244                if (!mp->virt) {
 245                        kfree(mp);
 246                        if (mlist)
 247                                lpfc_free_ct_rsp(phba, mlist);
 248                        return NULL;
 249                }
 250
 251                /* Queue it to a linked list */
 252                if (!mlist)
 253                        mlist = mp;
 254                else
 255                        list_add_tail(&mp->list, &mlist->list);
 256
 257                bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 258                /* build buffer ptr list for IOCB */
 259                bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 260                bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 261                bpl->tus.f.bdeSize = (uint16_t) cnt;
 262                bpl->tus.w = le32_to_cpu(bpl->tus.w);
 263                bpl++;
 264
 265                i++;
 266                size -= cnt;
 267        }
 268
 269        *entries = i;
 270        return mlist;
 271}
 272
 273int
 274lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 275{
 276        struct lpfc_dmabuf *buf_ptr;
 277
 278        if (ctiocb->context_un.ndlp) {
 279                lpfc_nlp_put(ctiocb->context_un.ndlp);
 280                ctiocb->context_un.ndlp = NULL;
 281        }
 282        if (ctiocb->context1) {
 283                buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
 284                lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 285                kfree(buf_ptr);
 286                ctiocb->context1 = NULL;
 287        }
 288        if (ctiocb->context2) {
 289                lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
 290                ctiocb->context2 = NULL;
 291        }
 292
 293        if (ctiocb->context3) {
 294                buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
 295                lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 296                kfree(buf_ptr);
 297                ctiocb->context3 = NULL;
 298        }
 299        lpfc_sli_release_iocbq(phba, ctiocb);
 300        return 0;
 301}
 302
 303/*
 304 * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
 305 * @vport: pointer to a host virtual N_Port data structure.
 306 * @bmp: Pointer to BPL for SLI command
 307 * @inp: Pointer to data buffer for response data.
 308 * @outp: Pointer to data buffer that hold the CT command.
 309 * @cmpl: completion routine to call when command completes
 310 * @ndlp: Destination NPort nodelist entry
 311 *
 312 * This function as the final part for issuing a CT command.
 313 */
 314static int
 315lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 316             struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 317             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 318                     struct lpfc_iocbq *),
 319             struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
 320             uint32_t tmo, uint8_t retry)
 321{
 322        struct lpfc_hba  *phba = vport->phba;
 323        IOCB_t *icmd;
 324        struct lpfc_iocbq *geniocb;
 325        int rc;
 326
 327        /* Allocate buffer for  command iocb */
 328        geniocb = lpfc_sli_get_iocbq(phba);
 329
 330        if (geniocb == NULL)
 331                return 1;
 332
 333        icmd = &geniocb->iocb;
 334        icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 335        icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 336        icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 337        icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 338        icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64));
 339
 340        if (usr_flg)
 341                geniocb->context3 = NULL;
 342        else
 343                geniocb->context3 = (uint8_t *) bmp;
 344
 345        /* Save for completion so we can release these resources */
 346        geniocb->context1 = (uint8_t *) inp;
 347        geniocb->context2 = (uint8_t *) outp;
 348        geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
 349
 350        /* Fill in payload, bp points to frame payload */
 351        icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
 352
 353        /* Fill in rest of iocb */
 354        icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 355        icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 356        icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
 357        icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 358
 359        if (!tmo) {
 360                 /* FC spec states we need 3 * ratov for CT requests */
 361                tmo = (3 * phba->fc_ratov);
 362        }
 363        icmd->ulpTimeout = tmo;
 364        icmd->ulpBdeCount = 1;
 365        icmd->ulpLe = 1;
 366        icmd->ulpClass = CLASS3;
 367        icmd->ulpContext = ndlp->nlp_rpi;
 368        if (phba->sli_rev == LPFC_SLI_REV4)
 369                icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 370
 371        if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 372                /* For GEN_REQUEST64_CR, use the RPI */
 373                icmd->ulpCt_h = 0;
 374                icmd->ulpCt_l = 0;
 375        }
 376
 377        /* Issue GEN REQ IOCB for NPORT <did> */
 378        lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 379                         "0119 Issue GEN REQ IOCB to NPORT x%x "
 380                         "Data: x%x x%x\n",
 381                         ndlp->nlp_DID, icmd->ulpIoTag,
 382                         vport->port_state);
 383        geniocb->iocb_cmpl = cmpl;
 384        geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 385        geniocb->vport = vport;
 386        geniocb->retry = retry;
 387        rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
 388
 389        if (rc == IOCB_ERROR) {
 390                geniocb->context_un.ndlp = NULL;
 391                lpfc_nlp_put(ndlp);
 392                lpfc_sli_release_iocbq(phba, geniocb);
 393                return 1;
 394        }
 395
 396        return 0;
 397}
 398
 399/*
 400 * lpfc_ct_cmd - Build and issue a CT command
 401 * @vport: pointer to a host virtual N_Port data structure.
 402 * @inmp: Pointer to data buffer for response data.
 403 * @bmp: Pointer to BPL for SLI command
 404 * @ndlp: Destination NPort nodelist entry
 405 * @cmpl: completion routine to call when command completes
 406 *
 407 * This function is called for issuing a CT command.
 408 */
 409static int
 410lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 411            struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 412            void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 413                          struct lpfc_iocbq *),
 414            uint32_t rsp_size, uint8_t retry)
 415{
 416        struct lpfc_hba  *phba = vport->phba;
 417        struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 418        struct lpfc_dmabuf *outmp;
 419        int cnt = 0, status;
 420        int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 421                CommandResponse.bits.CmdRsp;
 422
 423        bpl++;                  /* Skip past ct request */
 424
 425        /* Put buffer(s) for ct rsp in bpl */
 426        outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 427        if (!outmp)
 428                return -ENOMEM;
 429        /*
 430         * Form the CT IOCB.  The total number of BDEs in this IOCB
 431         * is the single command plus response count from
 432         * lpfc_alloc_ct_rsp.
 433         */
 434        cnt += 1;
 435        status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
 436                              cnt, 0, retry);
 437        if (status) {
 438                lpfc_free_ct_rsp(phba, outmp);
 439                return -ENOMEM;
 440        }
 441        return 0;
 442}
 443
 444struct lpfc_vport *
 445lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 446        struct lpfc_vport *vport_curr;
 447        unsigned long flags;
 448
 449        spin_lock_irqsave(&phba->port_list_lock, flags);
 450        list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 451                if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 452                        spin_unlock_irqrestore(&phba->port_list_lock, flags);
 453                        return vport_curr;
 454                }
 455        }
 456        spin_unlock_irqrestore(&phba->port_list_lock, flags);
 457        return NULL;
 458}
 459
 460static void
 461lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 462{
 463        struct lpfc_nodelist *ndlp;
 464
 465        if ((vport->port_type != LPFC_NPIV_PORT) ||
 466            !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
 467
 468                ndlp = lpfc_setup_disc_node(vport, Did);
 469
 470                if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 471                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 472                                "Parse GID_FTrsp: did:x%x flg:x%x x%x",
 473                                Did, ndlp->nlp_flag, vport->fc_flag);
 474
 475                        /* By default, the driver expects to support FCP FC4 */
 476                        if (fc4_type == FC_TYPE_FCP)
 477                                ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 478
 479                        if (fc4_type == FC_TYPE_NVME)
 480                                ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 481
 482                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 483                                         "0238 Process x%06x NameServer Rsp "
 484                                         "Data: x%x x%x x%x x%x x%x\n", Did,
 485                                         ndlp->nlp_flag, ndlp->nlp_fc4_type,
 486                                         ndlp->nlp_state, vport->fc_flag,
 487                                         vport->fc_rscn_id_cnt);
 488
 489                        /* if ndlp needs to be discovered and prior
 490                         * state of ndlp hit devloss, change state to
 491                         * allow rediscovery.
 492                         */
 493                        if (ndlp->nlp_flag & NLP_NPR_2B_DISC &&
 494                            ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
 495                                lpfc_nlp_set_state(vport, ndlp,
 496                                                   NLP_STE_NPR_NODE);
 497                        }
 498                } else {
 499                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 500                                "Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 501                                Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 502
 503                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 504                                         "0239 Skip x%06x NameServer Rsp "
 505                                         "Data: x%x x%x %p\n",
 506                                         Did, vport->fc_flag,
 507                                         vport->fc_rscn_id_cnt, ndlp);
 508                }
 509        } else {
 510                if (!(vport->fc_flag & FC_RSCN_MODE) ||
 511                    lpfc_rscn_payload_check(vport, Did)) {
 512                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 513                                "Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
 514                                Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 515
 516                        /*
 517                         * This NPortID was previously a FCP/NVMe target,
 518                         * Don't even bother to send GFF_ID.
 519                         */
 520                        ndlp = lpfc_findnode_did(vport, Did);
 521                        if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
 522                            (ndlp->nlp_type &
 523                            (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
 524                                if (fc4_type == FC_TYPE_FCP)
 525                                        ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 526                                if (fc4_type == FC_TYPE_NVME)
 527                                        ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 528                                lpfc_setup_disc_node(vport, Did);
 529                        } else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 530                                   0, Did) == 0)
 531                                vport->num_disc_nodes++;
 532                        else
 533                                lpfc_setup_disc_node(vport, Did);
 534                } else {
 535                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 536                                "Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 537                                Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 538
 539                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 540                                         "0245 Skip x%06x NameServer Rsp "
 541                                         "Data: x%x x%x\n", Did,
 542                                         vport->fc_flag,
 543                                         vport->fc_rscn_id_cnt);
 544                }
 545        }
 546}
 547
 548static void
 549lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 550{
 551        struct lpfc_hba *phba = vport->phba;
 552        struct lpfc_nodelist *ndlp = NULL;
 553        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 554        char *str;
 555
 556        if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
 557                str = "GID_FT";
 558        else
 559                str = "GID_PT";
 560        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 561                         "6430 Process %s rsp for %08x type %x %s %s\n",
 562                         str, Did, fc4_type,
 563                         (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
 564                         (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
 565        /*
 566         * To conserve rpi's, filter out addresses for other
 567         * vports on the same physical HBAs.
 568         */
 569        if (Did != vport->fc_myDID &&
 570            (!lpfc_find_vport_by_did(phba, Did) ||
 571             vport->cfg_peer_port_login)) {
 572                if (!phba->nvmet_support) {
 573                        /* FCPI/NVMEI path. Process Did */
 574                        lpfc_prep_node_fc4type(vport, Did, fc4_type);
 575                        return;
 576                }
 577                /* NVMET path.  NVMET only cares about NVMEI nodes. */
 578                list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 579                        if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
 580                            ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
 581                                continue;
 582                        spin_lock_irq(shost->host_lock);
 583                        if (ndlp->nlp_DID == Did)
 584                                ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 585                        else
 586                                ndlp->nlp_flag |= NLP_NVMET_RECOV;
 587                        spin_unlock_irq(shost->host_lock);
 588                }
 589        }
 590}
 591
 592static int
 593lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
 594            uint32_t Size)
 595{
 596        struct lpfc_sli_ct_request *Response =
 597                (struct lpfc_sli_ct_request *) mp->virt;
 598        struct lpfc_dmabuf *mlast, *next_mp;
 599        uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 600        uint32_t Did, CTentry;
 601        int Cnt;
 602        struct list_head head;
 603        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 604        struct lpfc_nodelist *ndlp = NULL;
 605
 606        lpfc_set_disctmo(vport);
 607        vport->num_disc_nodes = 0;
 608        vport->fc_ns_retry = 0;
 609
 610
 611        list_add_tail(&head, &mp->list);
 612        list_for_each_entry_safe(mp, next_mp, &head, list) {
 613                mlast = mp;
 614
 615                Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 616
 617                Size -= Cnt;
 618
 619                if (!ctptr) {
 620                        ctptr = (uint32_t *) mlast->virt;
 621                } else
 622                        Cnt -= 16;      /* subtract length of CT header */
 623
 624                /* Loop through entire NameServer list of DIDs */
 625                while (Cnt >= sizeof(uint32_t)) {
 626                        /* Get next DID from NameServer List */
 627                        CTentry = *ctptr++;
 628                        Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 629                        lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
 630                        if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
 631                                goto nsout1;
 632
 633                        Cnt -= sizeof(uint32_t);
 634                }
 635                ctptr = NULL;
 636
 637        }
 638
 639        /* All GID_FT entries processed.  If the driver is running in
 640         * in target mode, put impacted nodes into recovery and drop
 641         * the RPI to flush outstanding IO.
 642         */
 643        if (vport->phba->nvmet_support) {
 644                list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 645                        if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
 646                                continue;
 647                        lpfc_disc_state_machine(vport, ndlp, NULL,
 648                                                NLP_EVT_DEVICE_RECOVERY);
 649                        spin_lock_irq(shost->host_lock);
 650                        ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 651                        spin_unlock_irq(shost->host_lock);
 652                }
 653        }
 654
 655nsout1:
 656        list_del(&head);
 657        return 0;
 658}
 659
 660static void
 661lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 662                        struct lpfc_iocbq *rspiocb)
 663{
 664        struct lpfc_vport *vport = cmdiocb->vport;
 665        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 666        IOCB_t *irsp;
 667        struct lpfc_dmabuf *outp;
 668        struct lpfc_dmabuf *inp;
 669        struct lpfc_sli_ct_request *CTrsp;
 670        struct lpfc_sli_ct_request *CTreq;
 671        struct lpfc_nodelist *ndlp;
 672        int rc, type;
 673
 674        /* First save ndlp, before we overwrite it */
 675        ndlp = cmdiocb->context_un.ndlp;
 676
 677        /* we pass cmdiocb to state machine which needs rspiocb as well */
 678        cmdiocb->context_un.rsp_iocb = rspiocb;
 679        inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 680        outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 681        irsp = &rspiocb->iocb;
 682
 683        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 684                 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 685                irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 686
 687        /* Don't bother processing response if vport is being torn down. */
 688        if (vport->load_flag & FC_UNLOADING) {
 689                if (vport->fc_flag & FC_RSCN_MODE)
 690                        lpfc_els_flush_rscn(vport);
 691                goto out;
 692        }
 693
 694        if (lpfc_els_chk_latt(vport)) {
 695                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 696                                 "0216 Link event during NS query\n");
 697                if (vport->fc_flag & FC_RSCN_MODE)
 698                        lpfc_els_flush_rscn(vport);
 699                lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 700                goto out;
 701        }
 702        if (lpfc_error_lost_link(irsp)) {
 703                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 704                                 "0226 NS query failed due to link event\n");
 705                if (vport->fc_flag & FC_RSCN_MODE)
 706                        lpfc_els_flush_rscn(vport);
 707                goto out;
 708        }
 709
 710        spin_lock_irq(shost->host_lock);
 711        if (vport->fc_flag & FC_RSCN_DEFERRED) {
 712                vport->fc_flag &= ~FC_RSCN_DEFERRED;
 713                spin_unlock_irq(shost->host_lock);
 714
 715                /* This is a GID_FT completing so the gidft_inp counter was
 716                 * incremented before the GID_FT was issued to the wire.
 717                 */
 718                if (vport->gidft_inp)
 719                        vport->gidft_inp--;
 720
 721                /*
 722                 * Skip processing the NS response
 723                 * Re-issue the NS cmd
 724                 */
 725                lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 726                                 "0151 Process Deferred RSCN Data: x%x x%x\n",
 727                                 vport->fc_flag, vport->fc_rscn_id_cnt);
 728                lpfc_els_handle_rscn(vport);
 729
 730                goto out;
 731        }
 732        spin_unlock_irq(shost->host_lock);
 733
 734        if (irsp->ulpStatus) {
 735                /* Check for retry */
 736                if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 737                        if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
 738                            (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
 739                            IOERR_NO_RESOURCES)
 740                                vport->fc_ns_retry++;
 741
 742                        type = lpfc_get_gidft_type(vport, cmdiocb);
 743                        if (type == 0)
 744                                goto out;
 745
 746                        /* CT command is being retried */
 747                        rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
 748                                         vport->fc_ns_retry, type);
 749                        if (rc == 0)
 750                                goto out;
 751                        else { /* Unable to send NS cmd */
 752                                if (vport->gidft_inp)
 753                                        vport->gidft_inp--;
 754                        }
 755                }
 756                if (vport->fc_flag & FC_RSCN_MODE)
 757                        lpfc_els_flush_rscn(vport);
 758                lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 759                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
 760                                 "0257 GID_FT Query error: 0x%x 0x%x\n",
 761                                 irsp->ulpStatus, vport->fc_ns_retry);
 762        } else {
 763                /* Good status, continue checking */
 764                CTreq = (struct lpfc_sli_ct_request *) inp->virt;
 765                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 766                if (CTrsp->CommandResponse.bits.CmdRsp ==
 767                    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
 768                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 769                                         "0208 NameServer Rsp Data: x%x x%x "
 770                                         "x%x x%x sz x%x\n",
 771                                         vport->fc_flag,
 772                                         CTreq->un.gid.Fc4Type,
 773                                         vport->num_disc_nodes,
 774                                         vport->gidft_inp,
 775                                         irsp->un.genreq64.bdl.bdeSize);
 776
 777                        lpfc_ns_rsp(vport,
 778                                    outp,
 779                                    CTreq->un.gid.Fc4Type,
 780                                    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
 781                } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 782                           be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 783                        /* NameServer Rsp Error */
 784                        if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 785                            && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 786                                lpfc_printf_vlog(vport, KERN_INFO,
 787                                        LOG_DISCOVERY,
 788                                        "0269 No NameServer Entries "
 789                                        "Data: x%x x%x x%x x%x\n",
 790                                        CTrsp->CommandResponse.bits.CmdRsp,
 791                                        (uint32_t) CTrsp->ReasonCode,
 792                                        (uint32_t) CTrsp->Explanation,
 793                                        vport->fc_flag);
 794
 795                                lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 796                                "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
 797                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 798                                (uint32_t) CTrsp->ReasonCode,
 799                                (uint32_t) CTrsp->Explanation);
 800                        } else {
 801                                lpfc_printf_vlog(vport, KERN_INFO,
 802                                        LOG_DISCOVERY,
 803                                        "0240 NameServer Rsp Error "
 804                                        "Data: x%x x%x x%x x%x\n",
 805                                        CTrsp->CommandResponse.bits.CmdRsp,
 806                                        (uint32_t) CTrsp->ReasonCode,
 807                                        (uint32_t) CTrsp->Explanation,
 808                                        vport->fc_flag);
 809
 810                                lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 811                                "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
 812                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 813                                (uint32_t) CTrsp->ReasonCode,
 814                                (uint32_t) CTrsp->Explanation);
 815                        }
 816
 817
 818                } else {
 819                        /* NameServer Rsp Error */
 820                        lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
 821                                        "0241 NameServer Rsp Error "
 822                                        "Data: x%x x%x x%x x%x\n",
 823                                        CTrsp->CommandResponse.bits.CmdRsp,
 824                                        (uint32_t) CTrsp->ReasonCode,
 825                                        (uint32_t) CTrsp->Explanation,
 826                                        vport->fc_flag);
 827
 828                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 829                                "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
 830                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 831                                (uint32_t) CTrsp->ReasonCode,
 832                                (uint32_t) CTrsp->Explanation);
 833                }
 834                if (vport->gidft_inp)
 835                        vport->gidft_inp--;
 836        }
 837
 838        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 839                         "4216 GID_FT cmpl inp %d disc %d\n",
 840                         vport->gidft_inp, vport->num_disc_nodes);
 841
 842        /* Link up / RSCN discovery */
 843        if ((vport->num_disc_nodes == 0) &&
 844            (vport->gidft_inp == 0)) {
 845                /*
 846                 * The driver has cycled through all Nports in the RSCN payload.
 847                 * Complete the handling by cleaning up and marking the
 848                 * current driver state.
 849                 */
 850                if (vport->port_state >= LPFC_DISC_AUTH) {
 851                        if (vport->fc_flag & FC_RSCN_MODE) {
 852                                lpfc_els_flush_rscn(vport);
 853                                spin_lock_irq(shost->host_lock);
 854                                vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 855                                spin_unlock_irq(shost->host_lock);
 856                        }
 857                        else
 858                                lpfc_els_flush_rscn(vport);
 859                }
 860
 861                lpfc_disc_start(vport);
 862        }
 863out:
 864        cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 865        lpfc_ct_free_iocb(phba, cmdiocb);
 866        return;
 867}
 868
 869static void
 870lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 871                        struct lpfc_iocbq *rspiocb)
 872{
 873        struct lpfc_vport *vport = cmdiocb->vport;
 874        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 875        IOCB_t *irsp;
 876        struct lpfc_dmabuf *outp;
 877        struct lpfc_dmabuf *inp;
 878        struct lpfc_sli_ct_request *CTrsp;
 879        struct lpfc_sli_ct_request *CTreq;
 880        struct lpfc_nodelist *ndlp;
 881        int rc;
 882
 883        /* First save ndlp, before we overwrite it */
 884        ndlp = cmdiocb->context_un.ndlp;
 885
 886        /* we pass cmdiocb to state machine which needs rspiocb as well */
 887        cmdiocb->context_un.rsp_iocb = rspiocb;
 888        inp = (struct lpfc_dmabuf *)cmdiocb->context1;
 889        outp = (struct lpfc_dmabuf *)cmdiocb->context2;
 890        irsp = &rspiocb->iocb;
 891
 892        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 893                              "GID_PT cmpl:     status:x%x/x%x rtry:%d",
 894                              irsp->ulpStatus, irsp->un.ulpWord[4],
 895                              vport->fc_ns_retry);
 896
 897        /* Don't bother processing response if vport is being torn down. */
 898        if (vport->load_flag & FC_UNLOADING) {
 899                if (vport->fc_flag & FC_RSCN_MODE)
 900                        lpfc_els_flush_rscn(vport);
 901                goto out;
 902        }
 903
 904        if (lpfc_els_chk_latt(vport)) {
 905                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 906                                 "4108 Link event during NS query\n");
 907                if (vport->fc_flag & FC_RSCN_MODE)
 908                        lpfc_els_flush_rscn(vport);
 909                lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 910                goto out;
 911        }
 912        if (lpfc_error_lost_link(irsp)) {
 913                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 914                                 "4166 NS query failed due to link event\n");
 915                if (vport->fc_flag & FC_RSCN_MODE)
 916                        lpfc_els_flush_rscn(vport);
 917                goto out;
 918        }
 919
 920        spin_lock_irq(shost->host_lock);
 921        if (vport->fc_flag & FC_RSCN_DEFERRED) {
 922                vport->fc_flag &= ~FC_RSCN_DEFERRED;
 923                spin_unlock_irq(shost->host_lock);
 924
 925                /* This is a GID_PT completing so the gidft_inp counter was
 926                 * incremented before the GID_PT was issued to the wire.
 927                 */
 928                if (vport->gidft_inp)
 929                        vport->gidft_inp--;
 930
 931                /*
 932                 * Skip processing the NS response
 933                 * Re-issue the NS cmd
 934                 */
 935                lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 936                                 "4167 Process Deferred RSCN Data: x%x x%x\n",
 937                                 vport->fc_flag, vport->fc_rscn_id_cnt);
 938                lpfc_els_handle_rscn(vport);
 939
 940                goto out;
 941        }
 942        spin_unlock_irq(shost->host_lock);
 943
 944        if (irsp->ulpStatus) {
 945                /* Check for retry */
 946                if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 947                        if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
 948                            (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
 949                            IOERR_NO_RESOURCES)
 950                                vport->fc_ns_retry++;
 951
 952                        /* CT command is being retried */
 953                        rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
 954                                         vport->fc_ns_retry, GID_PT_N_PORT);
 955                        if (rc == 0)
 956                                goto out;
 957                        else { /* Unable to send NS cmd */
 958                                if (vport->gidft_inp)
 959                                        vport->gidft_inp--;
 960                        }
 961                }
 962                if (vport->fc_flag & FC_RSCN_MODE)
 963                        lpfc_els_flush_rscn(vport);
 964                lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 965                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
 966                                 "4103 GID_FT Query error: 0x%x 0x%x\n",
 967                                 irsp->ulpStatus, vport->fc_ns_retry);
 968        } else {
 969                /* Good status, continue checking */
 970                CTreq = (struct lpfc_sli_ct_request *)inp->virt;
 971                CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
 972                if (CTrsp->CommandResponse.bits.CmdRsp ==
 973                    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
 974                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 975                                         "4105 NameServer Rsp Data: x%x x%x "
 976                                         "x%x x%x sz x%x\n",
 977                                         vport->fc_flag,
 978                                         CTreq->un.gid.Fc4Type,
 979                                         vport->num_disc_nodes,
 980                                         vport->gidft_inp,
 981                                         irsp->un.genreq64.bdl.bdeSize);
 982
 983                        lpfc_ns_rsp(vport,
 984                                    outp,
 985                                    CTreq->un.gid.Fc4Type,
 986                                    (uint32_t)(irsp->un.genreq64.bdl.bdeSize));
 987                } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 988                           be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 989                        /* NameServer Rsp Error */
 990                        if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 991                            && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 992                                lpfc_printf_vlog(
 993                                        vport, KERN_INFO, LOG_DISCOVERY,
 994                                        "4106 No NameServer Entries "
 995                                        "Data: x%x x%x x%x x%x\n",
 996                                        CTrsp->CommandResponse.bits.CmdRsp,
 997                                        (uint32_t)CTrsp->ReasonCode,
 998                                        (uint32_t)CTrsp->Explanation,
 999                                        vport->fc_flag);
1000
1001                                lpfc_debugfs_disc_trc(
1002                                vport, LPFC_DISC_TRC_CT,
1003                                "GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
1004                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1005                                (uint32_t)CTrsp->ReasonCode,
1006                                (uint32_t)CTrsp->Explanation);
1007                        } else {
1008                                lpfc_printf_vlog(
1009                                        vport, KERN_INFO, LOG_DISCOVERY,
1010                                        "4107 NameServer Rsp Error "
1011                                        "Data: x%x x%x x%x x%x\n",
1012                                        CTrsp->CommandResponse.bits.CmdRsp,
1013                                        (uint32_t)CTrsp->ReasonCode,
1014                                        (uint32_t)CTrsp->Explanation,
1015                                        vport->fc_flag);
1016
1017                                lpfc_debugfs_disc_trc(
1018                                vport, LPFC_DISC_TRC_CT,
1019                                "GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1020                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1021                                (uint32_t)CTrsp->ReasonCode,
1022                                (uint32_t)CTrsp->Explanation);
1023                        }
1024                } else {
1025                        /* NameServer Rsp Error */
1026                        lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1027                                         "4109 NameServer Rsp Error "
1028                                         "Data: x%x x%x x%x x%x\n",
1029                                         CTrsp->CommandResponse.bits.CmdRsp,
1030                                         (uint32_t)CTrsp->ReasonCode,
1031                                         (uint32_t)CTrsp->Explanation,
1032                                         vport->fc_flag);
1033
1034                        lpfc_debugfs_disc_trc(
1035                                vport, LPFC_DISC_TRC_CT,
1036                                "GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1037                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1038                                (uint32_t)CTrsp->ReasonCode,
1039                                (uint32_t)CTrsp->Explanation);
1040                }
1041                if (vport->gidft_inp)
1042                        vport->gidft_inp--;
1043        }
1044
1045        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1046                         "6450 GID_PT cmpl inp %d disc %d\n",
1047                         vport->gidft_inp, vport->num_disc_nodes);
1048
1049        /* Link up / RSCN discovery */
1050        if ((vport->num_disc_nodes == 0) &&
1051            (vport->gidft_inp == 0)) {
1052                /*
1053                 * The driver has cycled through all Nports in the RSCN payload.
1054                 * Complete the handling by cleaning up and marking the
1055                 * current driver state.
1056                 */
1057                if (vport->port_state >= LPFC_DISC_AUTH) {
1058                        if (vport->fc_flag & FC_RSCN_MODE) {
1059                                lpfc_els_flush_rscn(vport);
1060                                spin_lock_irq(shost->host_lock);
1061                                vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1062                                spin_unlock_irq(shost->host_lock);
1063                        } else {
1064                                lpfc_els_flush_rscn(vport);
1065                        }
1066                }
1067
1068                lpfc_disc_start(vport);
1069        }
1070out:
1071        cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1072        lpfc_ct_free_iocb(phba, cmdiocb);
1073}
1074
1075static void
1076lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1077                        struct lpfc_iocbq *rspiocb)
1078{
1079        struct lpfc_vport *vport = cmdiocb->vport;
1080        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1081        IOCB_t *irsp = &rspiocb->iocb;
1082        struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1083        struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1084        struct lpfc_sli_ct_request *CTrsp;
1085        int did, rc, retry;
1086        uint8_t fbits;
1087        struct lpfc_nodelist *ndlp;
1088
1089        did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1090        did = be32_to_cpu(did);
1091
1092        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1093                "GFF_ID cmpl:     status:x%x/x%x did:x%x",
1094                irsp->ulpStatus, irsp->un.ulpWord[4], did);
1095
1096        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1097                /* Good status, continue checking */
1098                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1099                fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1100
1101                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1102                                 "6431 Process GFF_ID rsp for %08x "
1103                                 "fbits %02x %s %s\n",
1104                                 did, fbits,
1105                                 (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1106                                 (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1107
1108                if (CTrsp->CommandResponse.bits.CmdRsp ==
1109                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
1110                        if ((fbits & FC4_FEATURE_INIT) &&
1111                            !(fbits & FC4_FEATURE_TARGET)) {
1112                                lpfc_printf_vlog(vport, KERN_INFO,
1113                                                 LOG_DISCOVERY,
1114                                                 "0270 Skip x%x GFF "
1115                                                 "NameServer Rsp Data: (init) "
1116                                                 "x%x x%x\n", did, fbits,
1117                                                 vport->fc_rscn_id_cnt);
1118                                goto out;
1119                        }
1120                }
1121        }
1122        else {
1123                /* Check for retry */
1124                if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1125                        retry = 1;
1126                        if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1127                                switch ((irsp->un.ulpWord[4] &
1128                                        IOERR_PARAM_MASK)) {
1129
1130                                case IOERR_NO_RESOURCES:
1131                                        /* We don't increment the retry
1132                                         * count for this case.
1133                                         */
1134                                        break;
1135                                case IOERR_LINK_DOWN:
1136                                case IOERR_SLI_ABORTED:
1137                                case IOERR_SLI_DOWN:
1138                                        retry = 0;
1139                                        break;
1140                                default:
1141                                        cmdiocb->retry++;
1142                                }
1143                        }
1144                        else
1145                                cmdiocb->retry++;
1146
1147                        if (retry) {
1148                                /* CT command is being retried */
1149                                rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1150                                         cmdiocb->retry, did);
1151                                if (rc == 0) {
1152                                        /* success */
1153                                        lpfc_ct_free_iocb(phba, cmdiocb);
1154                                        return;
1155                                }
1156                        }
1157                }
1158                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1159                                 "0267 NameServer GFF Rsp "
1160                                 "x%x Error (%d %d) Data: x%x x%x\n",
1161                                 did, irsp->ulpStatus, irsp->un.ulpWord[4],
1162                                 vport->fc_flag, vport->fc_rscn_id_cnt);
1163        }
1164
1165        /* This is a target port, unregistered port, or the GFF_ID failed */
1166        ndlp = lpfc_setup_disc_node(vport, did);
1167        if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1168                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1169                                 "0242 Process x%x GFF "
1170                                 "NameServer Rsp Data: x%x x%x x%x\n",
1171                                 did, ndlp->nlp_flag, vport->fc_flag,
1172                                 vport->fc_rscn_id_cnt);
1173        } else {
1174                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1175                                 "0243 Skip x%x GFF "
1176                                 "NameServer Rsp Data: x%x x%x\n", did,
1177                                 vport->fc_flag, vport->fc_rscn_id_cnt);
1178        }
1179out:
1180        /* Link up / RSCN discovery */
1181        if (vport->num_disc_nodes)
1182                vport->num_disc_nodes--;
1183
1184        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1185                         "6451 GFF_ID cmpl inp %d disc %d\n",
1186                         vport->gidft_inp, vport->num_disc_nodes);
1187
1188        if (vport->num_disc_nodes == 0) {
1189                /*
1190                 * The driver has cycled through all Nports in the RSCN payload.
1191                 * Complete the handling by cleaning up and marking the
1192                 * current driver state.
1193                 */
1194                if (vport->port_state >= LPFC_DISC_AUTH) {
1195                        if (vport->fc_flag & FC_RSCN_MODE) {
1196                                lpfc_els_flush_rscn(vport);
1197                                spin_lock_irq(shost->host_lock);
1198                                vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1199                                spin_unlock_irq(shost->host_lock);
1200                        }
1201                        else
1202                                lpfc_els_flush_rscn(vport);
1203                }
1204                lpfc_disc_start(vport);
1205        }
1206        lpfc_ct_free_iocb(phba, cmdiocb);
1207        return;
1208}
1209
1210static void
1211lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1212                                struct lpfc_iocbq *rspiocb)
1213{
1214        struct lpfc_vport *vport = cmdiocb->vport;
1215        IOCB_t *irsp = &rspiocb->iocb;
1216        struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
1217        struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
1218        struct lpfc_sli_ct_request *CTrsp;
1219        int did;
1220        struct lpfc_nodelist *ndlp;
1221        uint32_t fc4_data_0, fc4_data_1;
1222
1223        did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1224        did = be32_to_cpu(did);
1225
1226        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1227                              "GFT_ID cmpl: status:x%x/x%x did:x%x",
1228                              irsp->ulpStatus, irsp->un.ulpWord[4], did);
1229
1230        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1231                /* Good status, continue checking */
1232                CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1233                fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1234                fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1235
1236                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1237                                 "6432 Process GFT_ID rsp for %08x "
1238                                 "Data %08x %08x %s %s\n",
1239                                 did, fc4_data_0, fc4_data_1,
1240                                 (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1241                                  "FCP" : " ",
1242                                 (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1243                                  "NVME" : " ");
1244
1245                ndlp = lpfc_findnode_did(vport, did);
1246                if (ndlp) {
1247                        /* The bitmask value for FCP and NVME FCP types is
1248                         * the same because they are 32 bits distant from
1249                         * each other in word0 and word0.
1250                         */
1251                        if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1252                                ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1253                        if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1254                                ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1255                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1256                                         "3064 Setting ndlp x%px, DID x%06x "
1257                                         "with FC4 x%08x, Data: x%08x x%08x "
1258                                         "%d\n",
1259                                         ndlp, did, ndlp->nlp_fc4_type,
1260                                         FC_TYPE_FCP, FC_TYPE_NVME,
1261                                         ndlp->nlp_state);
1262
1263                        if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1264                            ndlp->nlp_fc4_type) {
1265                                ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1266
1267                                lpfc_nlp_set_state(vport, ndlp,
1268                                                   NLP_STE_PRLI_ISSUE);
1269                                lpfc_issue_els_prli(vport, ndlp, 0);
1270                        } else if (!ndlp->nlp_fc4_type) {
1271                                /* If fc4 type is still unknown, then LOGO */
1272                                lpfc_printf_vlog(vport, KERN_INFO,
1273                                                 LOG_DISCOVERY,
1274                                                 "6443 Sending LOGO ndlp x%px,"
1275                                                 "DID x%06x with fc4_type: "
1276                                                 "x%08x, state: %d\n",
1277                                                 ndlp, did, ndlp->nlp_fc4_type,
1278                                                 ndlp->nlp_state);
1279                                lpfc_issue_els_logo(vport, ndlp, 0);
1280                                ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1281                                lpfc_nlp_set_state(vport, ndlp,
1282                                                   NLP_STE_NPR_NODE);
1283                        }
1284                }
1285        } else
1286                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1287                                 "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
1288
1289        lpfc_ct_free_iocb(phba, cmdiocb);
1290}
1291
1292static void
1293lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1294             struct lpfc_iocbq *rspiocb)
1295{
1296        struct lpfc_vport *vport = cmdiocb->vport;
1297        struct lpfc_dmabuf *inp;
1298        struct lpfc_dmabuf *outp;
1299        IOCB_t *irsp;
1300        struct lpfc_sli_ct_request *CTrsp;
1301        struct lpfc_nodelist *ndlp;
1302        int cmdcode, rc;
1303        uint8_t retry;
1304        uint32_t latt;
1305
1306        /* First save ndlp, before we overwrite it */
1307        ndlp = cmdiocb->context_un.ndlp;
1308
1309        /* we pass cmdiocb to state machine which needs rspiocb as well */
1310        cmdiocb->context_un.rsp_iocb = rspiocb;
1311
1312        inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1313        outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1314        irsp = &rspiocb->iocb;
1315
1316        cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1317                                        CommandResponse.bits.CmdRsp);
1318        CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1319
1320        latt = lpfc_els_chk_latt(vport);
1321
1322        /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
1323        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1324                         "0209 CT Request completes, latt %d, "
1325                         "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1326                         latt, irsp->ulpStatus,
1327                         CTrsp->CommandResponse.bits.CmdRsp,
1328                         cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
1329
1330        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1331                "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1332                irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
1333
1334        if (irsp->ulpStatus) {
1335                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1336                                 "0268 NS cmd x%x Error (x%x x%x)\n",
1337                                 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
1338
1339                if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1340                        (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1341                          IOERR_SLI_DOWN) ||
1342                         ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1343                          IOERR_SLI_ABORTED)))
1344                        goto out;
1345
1346                retry = cmdiocb->retry;
1347                if (retry >= LPFC_MAX_NS_RETRY)
1348                        goto out;
1349
1350                retry++;
1351                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1352                                 "0250 Retrying NS cmd %x\n", cmdcode);
1353                rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1354                if (rc == 0)
1355                        goto out;
1356        }
1357
1358out:
1359        cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1360        lpfc_ct_free_iocb(phba, cmdiocb);
1361        return;
1362}
1363
1364static void
1365lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1366                        struct lpfc_iocbq *rspiocb)
1367{
1368        IOCB_t *irsp = &rspiocb->iocb;
1369        struct lpfc_vport *vport = cmdiocb->vport;
1370
1371        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1372                struct lpfc_dmabuf *outp;
1373                struct lpfc_sli_ct_request *CTrsp;
1374
1375                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1376                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1377                if (CTrsp->CommandResponse.bits.CmdRsp ==
1378                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1379                        vport->ct_flags |= FC_CT_RFT_ID;
1380        }
1381        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1382        return;
1383}
1384
1385static void
1386lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1387                        struct lpfc_iocbq *rspiocb)
1388{
1389        IOCB_t *irsp = &rspiocb->iocb;
1390        struct lpfc_vport *vport = cmdiocb->vport;
1391
1392        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1393                struct lpfc_dmabuf *outp;
1394                struct lpfc_sli_ct_request *CTrsp;
1395
1396                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1397                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1398                if (CTrsp->CommandResponse.bits.CmdRsp ==
1399                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1400                        vport->ct_flags |= FC_CT_RNN_ID;
1401        }
1402        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1403        return;
1404}
1405
1406static void
1407lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1408                         struct lpfc_iocbq *rspiocb)
1409{
1410        IOCB_t *irsp = &rspiocb->iocb;
1411        struct lpfc_vport *vport = cmdiocb->vport;
1412
1413        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1414                struct lpfc_dmabuf *outp;
1415                struct lpfc_sli_ct_request *CTrsp;
1416
1417                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1418                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1419                if (CTrsp->CommandResponse.bits.CmdRsp ==
1420                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1421                        vport->ct_flags |= FC_CT_RSPN_ID;
1422        }
1423        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1424        return;
1425}
1426
1427static void
1428lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1429                         struct lpfc_iocbq *rspiocb)
1430{
1431        IOCB_t *irsp = &rspiocb->iocb;
1432        struct lpfc_vport *vport = cmdiocb->vport;
1433
1434        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1435                struct lpfc_dmabuf *outp;
1436                struct lpfc_sli_ct_request *CTrsp;
1437
1438                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1439                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1440                if (CTrsp->CommandResponse.bits.CmdRsp ==
1441                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1442                        vport->ct_flags |= FC_CT_RSNN_NN;
1443        }
1444        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1445        return;
1446}
1447
1448static void
1449lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1450 struct lpfc_iocbq *rspiocb)
1451{
1452        struct lpfc_vport *vport = cmdiocb->vport;
1453
1454        /* even if it fails we will act as though it succeeded. */
1455        vport->ct_flags = 0;
1456        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1457        return;
1458}
1459
1460static void
1461lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1462                        struct lpfc_iocbq *rspiocb)
1463{
1464        IOCB_t *irsp = &rspiocb->iocb;
1465        struct lpfc_vport *vport = cmdiocb->vport;
1466
1467        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1468                struct lpfc_dmabuf *outp;
1469                struct lpfc_sli_ct_request *CTrsp;
1470
1471                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1472                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1473                if (CTrsp->CommandResponse.bits.CmdRsp ==
1474                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1475                        vport->ct_flags |= FC_CT_RFF_ID;
1476        }
1477        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1478        return;
1479}
1480
1481/*
1482 * Although the symbolic port name is thought to be an integer
1483 * as of January 18, 2016, leave it as a string until more of
1484 * the record state becomes defined.
1485 */
1486int
1487lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1488        size_t size)
1489{
1490        int n;
1491
1492        /*
1493         * Use the lpfc board number as the Symbolic Port
1494         * Name object.  NPIV is not in play so this integer
1495         * value is sufficient and unique per FC-ID.
1496         */
1497        n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1498        return n;
1499}
1500
1501
1502int
1503lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1504        size_t size)
1505{
1506        char fwrev[FW_REV_STR_SIZE] = {0};
1507        char tmp[MAXHOSTNAMELEN] = {0};
1508
1509        memset(symbol, 0, size);
1510
1511        scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1512        if (strlcat(symbol, tmp, size) >= size)
1513                goto buffer_done;
1514
1515        lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1516        scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1517        if (strlcat(symbol, tmp, size) >= size)
1518                goto buffer_done;
1519
1520        scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1521        if (strlcat(symbol, tmp, size) >= size)
1522                goto buffer_done;
1523
1524        scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1525        if (strlcat(symbol, tmp, size) >= size)
1526                goto buffer_done;
1527
1528        /* Note :- OS name is "Linux" */
1529        scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1530        strlcat(symbol, tmp, size);
1531
1532buffer_done:
1533        return strnlen(symbol, size);
1534
1535}
1536
1537static uint32_t
1538lpfc_find_map_node(struct lpfc_vport *vport)
1539{
1540        struct lpfc_nodelist *ndlp, *next_ndlp;
1541        struct Scsi_Host  *shost;
1542        uint32_t cnt = 0;
1543
1544        shost = lpfc_shost_from_vport(vport);
1545        spin_lock_irq(shost->host_lock);
1546        list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1547                if (ndlp->nlp_type & NLP_FABRIC)
1548                        continue;
1549                if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1550                    (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1551                        cnt++;
1552        }
1553        spin_unlock_irq(shost->host_lock);
1554        return cnt;
1555}
1556
1557/*
1558 * This routine will return the FC4 Type associated with the CT
1559 * GID_FT command.
1560 */
1561int
1562lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1563{
1564        struct lpfc_sli_ct_request *CtReq;
1565        struct lpfc_dmabuf *mp;
1566        uint32_t type;
1567
1568        mp = cmdiocb->context1;
1569        if (mp == NULL)
1570                return 0;
1571        CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1572        type = (uint32_t)CtReq->un.gid.Fc4Type;
1573        if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1574                return 0;
1575        return type;
1576}
1577
1578/*
1579 * lpfc_ns_cmd
1580 * Description:
1581 *    Issue Cmd to NameServer
1582 *       SLI_CTNS_GID_FT
1583 *       LI_CTNS_RFT_ID
1584 */
1585int
1586lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1587            uint8_t retry, uint32_t context)
1588{
1589        struct lpfc_nodelist * ndlp;
1590        struct lpfc_hba *phba = vport->phba;
1591        struct lpfc_dmabuf *mp, *bmp;
1592        struct lpfc_sli_ct_request *CtReq;
1593        struct ulp_bde64 *bpl;
1594        void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1595                      struct lpfc_iocbq *) = NULL;
1596        uint32_t *ptr;
1597        uint32_t rsp_size = 1024;
1598        size_t   size;
1599        int rc = 0;
1600
1601        ndlp = lpfc_findnode_did(vport, NameServer_DID);
1602        if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1603            || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1604                rc=1;
1605                goto ns_cmd_exit;
1606        }
1607
1608        /* fill in BDEs for command */
1609        /* Allocate buffer for command payload */
1610        mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1611        if (!mp) {
1612                rc=2;
1613                goto ns_cmd_exit;
1614        }
1615
1616        INIT_LIST_HEAD(&mp->list);
1617        mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1618        if (!mp->virt) {
1619                rc=3;
1620                goto ns_cmd_free_mp;
1621        }
1622
1623        /* Allocate buffer for Buffer ptr list */
1624        bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1625        if (!bmp) {
1626                rc=4;
1627                goto ns_cmd_free_mpvirt;
1628        }
1629
1630        INIT_LIST_HEAD(&bmp->list);
1631        bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1632        if (!bmp->virt) {
1633                rc=5;
1634                goto ns_cmd_free_bmp;
1635        }
1636
1637        /* NameServer Req */
1638        lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1639                         "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1640                         cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1641                         context);
1642
1643        bpl = (struct ulp_bde64 *) bmp->virt;
1644        memset(bpl, 0, sizeof(struct ulp_bde64));
1645        bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1646        bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1647        bpl->tus.f.bdeFlags = 0;
1648        if (cmdcode == SLI_CTNS_GID_FT)
1649                bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1650        else if (cmdcode == SLI_CTNS_GID_PT)
1651                bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1652        else if (cmdcode == SLI_CTNS_GFF_ID)
1653                bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1654        else if (cmdcode == SLI_CTNS_GFT_ID)
1655                bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1656        else if (cmdcode == SLI_CTNS_RFT_ID)
1657                bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1658        else if (cmdcode == SLI_CTNS_RNN_ID)
1659                bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1660        else if (cmdcode == SLI_CTNS_RSPN_ID)
1661                bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1662        else if (cmdcode == SLI_CTNS_RSNN_NN)
1663                bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1664        else if (cmdcode == SLI_CTNS_DA_ID)
1665                bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1666        else if (cmdcode == SLI_CTNS_RFF_ID)
1667                bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1668        else
1669                bpl->tus.f.bdeSize = 0;
1670        bpl->tus.w = le32_to_cpu(bpl->tus.w);
1671
1672        CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1673        memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1674        CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1675        CtReq->RevisionId.bits.InId = 0;
1676        CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1677        CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1678        CtReq->CommandResponse.bits.Size = 0;
1679        switch (cmdcode) {
1680        case SLI_CTNS_GID_FT:
1681                CtReq->CommandResponse.bits.CmdRsp =
1682                    cpu_to_be16(SLI_CTNS_GID_FT);
1683                CtReq->un.gid.Fc4Type = context;
1684
1685                if (vport->port_state < LPFC_NS_QRY)
1686                        vport->port_state = LPFC_NS_QRY;
1687                lpfc_set_disctmo(vport);
1688                cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1689                rsp_size = FC_MAX_NS_RSP;
1690                break;
1691
1692        case SLI_CTNS_GID_PT:
1693                CtReq->CommandResponse.bits.CmdRsp =
1694                    cpu_to_be16(SLI_CTNS_GID_PT);
1695                CtReq->un.gid.PortType = context;
1696
1697                if (vport->port_state < LPFC_NS_QRY)
1698                        vport->port_state = LPFC_NS_QRY;
1699                lpfc_set_disctmo(vport);
1700                cmpl = lpfc_cmpl_ct_cmd_gid_pt;
1701                rsp_size = FC_MAX_NS_RSP;
1702                break;
1703
1704        case SLI_CTNS_GFF_ID:
1705                CtReq->CommandResponse.bits.CmdRsp =
1706                        cpu_to_be16(SLI_CTNS_GFF_ID);
1707                CtReq->un.gff.PortId = cpu_to_be32(context);
1708                cmpl = lpfc_cmpl_ct_cmd_gff_id;
1709                break;
1710
1711        case SLI_CTNS_GFT_ID:
1712                CtReq->CommandResponse.bits.CmdRsp =
1713                        cpu_to_be16(SLI_CTNS_GFT_ID);
1714                CtReq->un.gft.PortId = cpu_to_be32(context);
1715                cmpl = lpfc_cmpl_ct_cmd_gft_id;
1716                break;
1717
1718        case SLI_CTNS_RFT_ID:
1719                vport->ct_flags &= ~FC_CT_RFT_ID;
1720                CtReq->CommandResponse.bits.CmdRsp =
1721                    cpu_to_be16(SLI_CTNS_RFT_ID);
1722                CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1723
1724                /* Register FC4 FCP type if enabled.  */
1725                if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
1726                    vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
1727                        CtReq->un.rft.fcpReg = 1;
1728
1729                /* Register NVME type if enabled.  Defined LE and swapped.
1730                 * rsvd[0] is used as word1 because of the hard-coded
1731                 * word0 usage in the ct_request data structure.
1732                 */
1733                if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
1734                    vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
1735                        CtReq->un.rft.rsvd[0] =
1736                                cpu_to_be32(LPFC_FC4_TYPE_BITMASK);
1737
1738                ptr = (uint32_t *)CtReq;
1739                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1740                                 "6433 Issue RFT (%s %s): %08x %08x %08x %08x "
1741                                 "%08x %08x %08x %08x\n",
1742                                 CtReq->un.rft.fcpReg ? "FCP" : " ",
1743                                 CtReq->un.rft.rsvd[0] ? "NVME" : " ",
1744                                 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
1745                                 *(ptr + 4), *(ptr + 5),
1746                                 *(ptr + 6), *(ptr + 7));
1747                cmpl = lpfc_cmpl_ct_cmd_rft_id;
1748                break;
1749
1750        case SLI_CTNS_RNN_ID:
1751                vport->ct_flags &= ~FC_CT_RNN_ID;
1752                CtReq->CommandResponse.bits.CmdRsp =
1753                    cpu_to_be16(SLI_CTNS_RNN_ID);
1754                CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1755                memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1756                       sizeof(struct lpfc_name));
1757                cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1758                break;
1759
1760        case SLI_CTNS_RSPN_ID:
1761                vport->ct_flags &= ~FC_CT_RSPN_ID;
1762                CtReq->CommandResponse.bits.CmdRsp =
1763                    cpu_to_be16(SLI_CTNS_RSPN_ID);
1764                CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1765                size = sizeof(CtReq->un.rspn.symbname);
1766                CtReq->un.rspn.len =
1767                        lpfc_vport_symbolic_port_name(vport,
1768                        CtReq->un.rspn.symbname, size);
1769                cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1770                break;
1771        case SLI_CTNS_RSNN_NN:
1772                vport->ct_flags &= ~FC_CT_RSNN_NN;
1773                CtReq->CommandResponse.bits.CmdRsp =
1774                    cpu_to_be16(SLI_CTNS_RSNN_NN);
1775                memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1776                       sizeof(struct lpfc_name));
1777                size = sizeof(CtReq->un.rsnn.symbname);
1778                CtReq->un.rsnn.len =
1779                        lpfc_vport_symbolic_node_name(vport,
1780                        CtReq->un.rsnn.symbname, size);
1781                cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1782                break;
1783        case SLI_CTNS_DA_ID:
1784                /* Implement DA_ID Nameserver request */
1785                CtReq->CommandResponse.bits.CmdRsp =
1786                        cpu_to_be16(SLI_CTNS_DA_ID);
1787                CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1788                cmpl = lpfc_cmpl_ct_cmd_da_id;
1789                break;
1790        case SLI_CTNS_RFF_ID:
1791                vport->ct_flags &= ~FC_CT_RFF_ID;
1792                CtReq->CommandResponse.bits.CmdRsp =
1793                    cpu_to_be16(SLI_CTNS_RFF_ID);
1794                CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1795                CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1796
1797                /* The driver always supports FC_TYPE_FCP.  However, the
1798                 * caller can specify NVME (type x28) as well.  But only
1799                 * these that FC4 type is supported.
1800                 */
1801                if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1802                     (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
1803                    (context == FC_TYPE_NVME)) {
1804                        if ((vport == phba->pport) && phba->nvmet_support) {
1805                                CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
1806                                        FC4_FEATURE_NVME_DISC);
1807                                lpfc_nvmet_update_targetport(phba);
1808                        } else {
1809                                lpfc_nvme_update_localport(vport);
1810                        }
1811                        CtReq->un.rff.type_code = context;
1812
1813                } else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1814                            (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
1815                           (context == FC_TYPE_FCP))
1816                        CtReq->un.rff.type_code = context;
1817
1818                else
1819                        goto ns_cmd_free_bmpvirt;
1820
1821                ptr = (uint32_t *)CtReq;
1822                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1823                                 "6434 Issue RFF (%s): %08x %08x %08x %08x "
1824                                 "%08x %08x %08x %08x\n",
1825                                 (context == FC_TYPE_NVME) ? "NVME" : "FCP",
1826                                 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
1827                                 *(ptr + 4), *(ptr + 5),
1828                                 *(ptr + 6), *(ptr + 7));
1829                cmpl = lpfc_cmpl_ct_cmd_rff_id;
1830                break;
1831        }
1832        /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1833         * to hold ndlp reference for the corresponding callback function.
1834         */
1835        if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1836                /* On success, The cmpl function will free the buffers */
1837                lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1838                        "Issue CT cmd:    cmd:x%x did:x%x",
1839                        cmdcode, ndlp->nlp_DID, 0);
1840                return 0;
1841        }
1842        rc=6;
1843
1844        /* Decrement ndlp reference count to release ndlp reference held
1845         * for the failed command's callback function.
1846         */
1847        lpfc_nlp_put(ndlp);
1848
1849ns_cmd_free_bmpvirt:
1850        lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1851ns_cmd_free_bmp:
1852        kfree(bmp);
1853ns_cmd_free_mpvirt:
1854        lpfc_mbuf_free(phba, mp->virt, mp->phys);
1855ns_cmd_free_mp:
1856        kfree(mp);
1857ns_cmd_exit:
1858        lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1859                         "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1860                         cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1861        return 1;
1862}
1863
1864/**
1865 * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
1866 * @phba: Pointer to HBA context object.
1867 * @cmdiocb: Pointer to the command IOCBQ.
1868 * @rspiocb: Pointer to the response IOCBQ.
1869 *
1870 * This function to handle the completion of a driver initiated FDMI
1871 * CT command issued during discovery.
1872 */
1873static void
1874lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1875                       struct lpfc_iocbq *rspiocb)
1876{
1877        struct lpfc_vport *vport = cmdiocb->vport;
1878        struct lpfc_dmabuf *inp = cmdiocb->context1;
1879        struct lpfc_dmabuf *outp = cmdiocb->context2;
1880        struct lpfc_sli_ct_request *CTcmd = inp->virt;
1881        struct lpfc_sli_ct_request *CTrsp = outp->virt;
1882        uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1883        uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1884        IOCB_t *irsp = &rspiocb->iocb;
1885        struct lpfc_nodelist *ndlp;
1886        uint32_t latt, cmd, err;
1887
1888        latt = lpfc_els_chk_latt(vport);
1889        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1890                "FDMI cmpl:       status:x%x/x%x latt:%d",
1891                irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1892
1893        if (latt || irsp->ulpStatus) {
1894
1895                /* Look for a retryable error */
1896                if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1897                        switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) {
1898                        case IOERR_SLI_ABORTED:
1899                        case IOERR_SLI_DOWN:
1900                                /* Driver aborted this IO.  No retry as error
1901                                 * is likely Offline->Online or some adapter
1902                                 * error.  Recovery will try again.
1903                                 */
1904                                break;
1905                        case IOERR_ABORT_IN_PROGRESS:
1906                        case IOERR_SEQUENCE_TIMEOUT:
1907                        case IOERR_ILLEGAL_FRAME:
1908                        case IOERR_NO_RESOURCES:
1909                        case IOERR_ILLEGAL_COMMAND:
1910                                cmdiocb->retry++;
1911                                if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
1912                                        break;
1913
1914                                /* Retry the same FDMI command */
1915                                err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
1916                                                          cmdiocb, 0);
1917                                if (err == IOCB_ERROR)
1918                                        break;
1919                                return;
1920                        default:
1921                                break;
1922                        }
1923                }
1924
1925                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1926                                 "0229 FDMI cmd %04x failed, latt = %d "
1927                                 "ulpStatus: x%x, rid x%x\n",
1928                                 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1929                                 irsp->un.ulpWord[4]);
1930        }
1931        lpfc_ct_free_iocb(phba, cmdiocb);
1932
1933        ndlp = lpfc_findnode_did(vport, FDMI_DID);
1934        if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1935                return;
1936
1937        /* Check for a CT LS_RJT response */
1938        cmd =  be16_to_cpu(fdmi_cmd);
1939        if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
1940                /* FDMI rsp failed */
1941                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1942                                 "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
1943
1944                /* Should we fallback to FDMI-2 / FDMI-1 ? */
1945                switch (cmd) {
1946                case SLI_MGMT_RHBA:
1947                        if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
1948                                /* Fallback to FDMI-1 */
1949                                vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1950                                vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1951                                /* Start over */
1952                                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1953                        }
1954                        return;
1955
1956                case SLI_MGMT_RPRT:
1957                        if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1958                                /* Fallback to FDMI-1 */
1959                                vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1960                                /* Start over */
1961                                lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1962                        }
1963                        if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1964                                vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1965                                /* Retry the same command */
1966                                lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1967                        }
1968                        return;
1969
1970                case SLI_MGMT_RPA:
1971                        if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1972                                /* Fallback to FDMI-1 */
1973                                vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1974                                vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1975                                /* Start over */
1976                                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1977                        }
1978                        if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1979                                vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1980                                /* Retry the same command */
1981                                lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1982                        }
1983                        return;
1984                }
1985        }
1986
1987        /*
1988         * On success, need to cycle thru FDMI registration for discovery
1989         * DHBA -> DPRT -> RHBA -> RPA  (physical port)
1990         * DPRT -> RPRT (vports)
1991         */
1992        switch (cmd) {
1993        case SLI_MGMT_RHBA:
1994                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
1995                break;
1996
1997        case SLI_MGMT_DHBA:
1998                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
1999                break;
2000
2001        case SLI_MGMT_DPRT:
2002                if (vport->port_type == LPFC_PHYSICAL_PORT)
2003                        lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2004                else
2005                        lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2006                break;
2007        }
2008        return;
2009}
2010
2011
2012/**
2013 * lpfc_fdmi_change_check - Check for changed FDMI parameters
2014 * @vport: pointer to a host virtual N_Port data structure.
2015 *
2016 * Check how many mapped NPorts we are connected to
2017 * Check if our hostname changed
2018 * Called from hbeat timeout routine to check if any FDMI parameters
2019 * changed. If so, re-register those Attributes.
2020 */
2021void
2022lpfc_fdmi_change_check(struct lpfc_vport *vport)
2023{
2024        struct lpfc_hba *phba = vport->phba;
2025        struct lpfc_nodelist *ndlp;
2026        uint16_t cnt;
2027
2028        if (!lpfc_is_link_up(phba))
2029                return;
2030
2031        /* Must be connected to a Fabric */
2032        if (!(vport->fc_flag & FC_FABRIC))
2033                return;
2034
2035        ndlp = lpfc_findnode_did(vport, FDMI_DID);
2036        if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
2037                return;
2038
2039        /* Check if system hostname changed */
2040        if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2041                memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2042                scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2043                          init_utsname()->nodename);
2044                lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2045
2046                /* Since this effects multiple HBA and PORT attributes, we need
2047                 * de-register and go thru the whole FDMI registration cycle.
2048                 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2049                 * DPRT -> RPRT (vports)
2050                 */
2051                if (vport->port_type == LPFC_PHYSICAL_PORT)
2052                        lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2053                else
2054                        lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2055
2056                /* Since this code path registers all the port attributes
2057                 * we can just return without further checking.
2058                 */
2059                return;
2060        }
2061
2062        if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2063                return;
2064
2065        /* Check if the number of mapped NPorts changed */
2066        cnt = lpfc_find_map_node(vport);
2067        if (cnt == vport->fdmi_num_disc)
2068                return;
2069
2070        if (vport->port_type == LPFC_PHYSICAL_PORT) {
2071                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2072                              LPFC_FDMI_PORT_ATTR_num_disc);
2073        } else {
2074                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2075                              LPFC_FDMI_PORT_ATTR_num_disc);
2076        }
2077}
2078
2079/* Routines for all individual HBA attributes */
2080static int
2081lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2082{
2083        struct lpfc_fdmi_attr_entry *ae;
2084        uint32_t size;
2085
2086        ae = &ad->AttrValue;
2087        memset(ae, 0, sizeof(*ae));
2088
2089        memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2090               sizeof(struct lpfc_name));
2091        size = FOURBYTES + sizeof(struct lpfc_name);
2092        ad->AttrLen = cpu_to_be16(size);
2093        ad->AttrType = cpu_to_be16(RHBA_NODENAME);
2094        return size;
2095}
2096static int
2097lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
2098                                struct lpfc_fdmi_attr_def *ad)
2099{
2100        struct lpfc_fdmi_attr_entry *ae;
2101        uint32_t len, size;
2102
2103        ae = &ad->AttrValue;
2104        memset(ae, 0, sizeof(*ae));
2105
2106        /* This string MUST be consistent with other FC platforms
2107         * supported by Broadcom.
2108         */
2109        strncpy(ae->un.AttrString,
2110                "Emulex Corporation",
2111                       sizeof(ae->un.AttrString));
2112        len = strnlen(ae->un.AttrString,
2113                          sizeof(ae->un.AttrString));
2114        len += (len & 3) ? (4 - (len & 3)) : 4;
2115        size = FOURBYTES + len;
2116        ad->AttrLen = cpu_to_be16(size);
2117        ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
2118        return size;
2119}
2120
2121static int
2122lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2123{
2124        struct lpfc_hba *phba = vport->phba;
2125        struct lpfc_fdmi_attr_entry *ae;
2126        uint32_t len, size;
2127
2128        ae = &ad->AttrValue;
2129        memset(ae, 0, sizeof(*ae));
2130
2131        strncpy(ae->un.AttrString, phba->SerialNumber,
2132                sizeof(ae->un.AttrString));
2133        len = strnlen(ae->un.AttrString,
2134                          sizeof(ae->un.AttrString));
2135        len += (len & 3) ? (4 - (len & 3)) : 4;
2136        size = FOURBYTES + len;
2137        ad->AttrLen = cpu_to_be16(size);
2138        ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
2139        return size;
2140}
2141
2142static int
2143lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
2144                         struct lpfc_fdmi_attr_def *ad)
2145{
2146        struct lpfc_hba *phba = vport->phba;
2147        struct lpfc_fdmi_attr_entry *ae;
2148        uint32_t len, size;
2149
2150        ae = &ad->AttrValue;
2151        memset(ae, 0, sizeof(*ae));
2152
2153        strncpy(ae->un.AttrString, phba->ModelName,
2154                sizeof(ae->un.AttrString));
2155        len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2156        len += (len & 3) ? (4 - (len & 3)) : 4;
2157        size = FOURBYTES + len;
2158        ad->AttrLen = cpu_to_be16(size);
2159        ad->AttrType = cpu_to_be16(RHBA_MODEL);
2160        return size;
2161}
2162
2163static int
2164lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
2165                               struct lpfc_fdmi_attr_def *ad)
2166{
2167        struct lpfc_hba *phba = vport->phba;
2168        struct lpfc_fdmi_attr_entry *ae;
2169        uint32_t len, size;
2170
2171        ae = &ad->AttrValue;
2172        memset(ae, 0, sizeof(*ae));
2173
2174        strncpy(ae->un.AttrString, phba->ModelDesc,
2175                sizeof(ae->un.AttrString));
2176        len = strnlen(ae->un.AttrString,
2177                                  sizeof(ae->un.AttrString));
2178        len += (len & 3) ? (4 - (len & 3)) : 4;
2179        size = FOURBYTES + len;
2180        ad->AttrLen = cpu_to_be16(size);
2181        ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
2182        return size;
2183}
2184
2185static int
2186lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
2187                           struct lpfc_fdmi_attr_def *ad)
2188{
2189        struct lpfc_hba *phba = vport->phba;
2190        lpfc_vpd_t *vp = &phba->vpd;
2191        struct lpfc_fdmi_attr_entry *ae;
2192        uint32_t i, j, incr, size;
2193
2194        ae = &ad->AttrValue;
2195        memset(ae, 0, sizeof(*ae));
2196
2197        /* Convert JEDEC ID to ascii for hardware version */
2198        incr = vp->rev.biuRev;
2199        for (i = 0; i < 8; i++) {
2200                j = (incr & 0xf);
2201                if (j <= 9)
2202                        ae->un.AttrString[7 - i] =
2203                            (char)((uint8_t) 0x30 +
2204                                   (uint8_t) j);
2205                else
2206                        ae->un.AttrString[7 - i] =
2207                            (char)((uint8_t) 0x61 +
2208                                   (uint8_t) (j - 10));
2209                incr = (incr >> 4);
2210        }
2211        size = FOURBYTES + 8;
2212        ad->AttrLen = cpu_to_be16(size);
2213        ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
2214        return size;
2215}
2216
2217static int
2218lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
2219                            struct lpfc_fdmi_attr_def *ad)
2220{
2221        struct lpfc_fdmi_attr_entry *ae;
2222        uint32_t len, size;
2223
2224        ae = &ad->AttrValue;
2225        memset(ae, 0, sizeof(*ae));
2226
2227        strncpy(ae->un.AttrString, lpfc_release_version,
2228                sizeof(ae->un.AttrString));
2229        len = strnlen(ae->un.AttrString,
2230                          sizeof(ae->un.AttrString));
2231        len += (len & 3) ? (4 - (len & 3)) : 4;
2232        size = FOURBYTES + len;
2233        ad->AttrLen = cpu_to_be16(size);
2234        ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
2235        return size;
2236}
2237
2238static int
2239lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
2240                           struct lpfc_fdmi_attr_def *ad)
2241{
2242        struct lpfc_hba *phba = vport->phba;
2243        struct lpfc_fdmi_attr_entry *ae;
2244        uint32_t len, size;
2245
2246        ae = &ad->AttrValue;
2247        memset(ae, 0, sizeof(*ae));
2248
2249        if (phba->sli_rev == LPFC_SLI_REV4)
2250                lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2251        else
2252                strncpy(ae->un.AttrString, phba->OptionROMVersion,
2253                        sizeof(ae->un.AttrString));
2254        len = strnlen(ae->un.AttrString,
2255                          sizeof(ae->un.AttrString));
2256        len += (len & 3) ? (4 - (len & 3)) : 4;
2257        size = FOURBYTES + len;
2258        ad->AttrLen = cpu_to_be16(size);
2259        ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
2260        return size;
2261}
2262
2263static int
2264lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
2265                           struct lpfc_fdmi_attr_def *ad)
2266{
2267        struct lpfc_hba *phba = vport->phba;
2268        struct lpfc_fdmi_attr_entry *ae;
2269        uint32_t len, size;
2270
2271        ae = &ad->AttrValue;
2272        memset(ae, 0, sizeof(*ae));
2273
2274        lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2275        len = strnlen(ae->un.AttrString,
2276                          sizeof(ae->un.AttrString));
2277        len += (len & 3) ? (4 - (len & 3)) : 4;
2278        size = FOURBYTES + len;
2279        ad->AttrLen = cpu_to_be16(size);
2280        ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
2281        return size;
2282}
2283
2284static int
2285lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
2286                          struct lpfc_fdmi_attr_def *ad)
2287{
2288        struct lpfc_fdmi_attr_entry *ae;
2289        uint32_t len, size;
2290
2291        ae = &ad->AttrValue;
2292        memset(ae, 0, sizeof(*ae));
2293
2294        snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
2295                 init_utsname()->sysname,
2296                 init_utsname()->release,
2297                 init_utsname()->version);
2298
2299        len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2300        len += (len & 3) ? (4 - (len & 3)) : 4;
2301        size = FOURBYTES + len;
2302        ad->AttrLen = cpu_to_be16(size);
2303        ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
2304        return size;
2305}
2306
2307static int
2308lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
2309                          struct lpfc_fdmi_attr_def *ad)
2310{
2311        struct lpfc_fdmi_attr_entry *ae;
2312        uint32_t size;
2313
2314        ae = &ad->AttrValue;
2315
2316        ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
2317        size = FOURBYTES + sizeof(uint32_t);
2318        ad->AttrLen = cpu_to_be16(size);
2319        ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
2320        return size;
2321}
2322
2323static int
2324lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
2325                                 struct lpfc_fdmi_attr_def *ad)
2326{
2327        struct lpfc_fdmi_attr_entry *ae;
2328        uint32_t len, size;
2329
2330        ae = &ad->AttrValue;
2331        memset(ae, 0, sizeof(*ae));
2332
2333        len = lpfc_vport_symbolic_node_name(vport,
2334                                ae->un.AttrString, 256);
2335        len += (len & 3) ? (4 - (len & 3)) : 4;
2336        size = FOURBYTES + len;
2337        ad->AttrLen = cpu_to_be16(size);
2338        ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
2339        return size;
2340}
2341
2342static int
2343lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
2344                               struct lpfc_fdmi_attr_def *ad)
2345{
2346        struct lpfc_fdmi_attr_entry *ae;
2347        uint32_t size;
2348
2349        ae = &ad->AttrValue;
2350
2351        /* Nothing is defined for this currently */
2352        ae->un.AttrInt =  cpu_to_be32(0);
2353        size = FOURBYTES + sizeof(uint32_t);
2354        ad->AttrLen = cpu_to_be16(size);
2355        ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
2356        return size;
2357}
2358
2359static int
2360lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
2361                             struct lpfc_fdmi_attr_def *ad)
2362{
2363        struct lpfc_fdmi_attr_entry *ae;
2364        uint32_t size;
2365
2366        ae = &ad->AttrValue;
2367
2368        /* Each driver instance corresponds to a single port */
2369        ae->un.AttrInt =  cpu_to_be32(1);
2370        size = FOURBYTES + sizeof(uint32_t);
2371        ad->AttrLen = cpu_to_be16(size);
2372        ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2373        return size;
2374}
2375
2376static int
2377lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2378                               struct lpfc_fdmi_attr_def *ad)
2379{
2380        struct lpfc_fdmi_attr_entry *ae;
2381        uint32_t size;
2382
2383        ae = &ad->AttrValue;
2384        memset(ae, 0, sizeof(*ae));
2385
2386        memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2387               sizeof(struct lpfc_name));
2388        size = FOURBYTES + sizeof(struct lpfc_name);
2389        ad->AttrLen = cpu_to_be16(size);
2390        ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2391        return size;
2392}
2393
2394static int
2395lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2396                            struct lpfc_fdmi_attr_def *ad)
2397{
2398        struct lpfc_hba *phba = vport->phba;
2399        struct lpfc_fdmi_attr_entry *ae;
2400        uint32_t len, size;
2401
2402        ae = &ad->AttrValue;
2403        memset(ae, 0, sizeof(*ae));
2404
2405        strlcat(ae->un.AttrString, phba->BIOSVersion,
2406                sizeof(ae->un.AttrString));
2407        len = strnlen(ae->un.AttrString,
2408                          sizeof(ae->un.AttrString));
2409        len += (len & 3) ? (4 - (len & 3)) : 4;
2410        size = FOURBYTES + len;
2411        ad->AttrLen = cpu_to_be16(size);
2412        ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2413        return size;
2414}
2415
2416static int
2417lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2418                              struct lpfc_fdmi_attr_def *ad)
2419{
2420        struct lpfc_fdmi_attr_entry *ae;
2421        uint32_t size;
2422
2423        ae = &ad->AttrValue;
2424
2425        /* Driver doesn't have access to this information */
2426        ae->un.AttrInt =  cpu_to_be32(0);
2427        size = FOURBYTES + sizeof(uint32_t);
2428        ad->AttrLen = cpu_to_be16(size);
2429        ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2430        return size;
2431}
2432
2433static int
2434lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2435                             struct lpfc_fdmi_attr_def *ad)
2436{
2437        struct lpfc_fdmi_attr_entry *ae;
2438        uint32_t len, size;
2439
2440        ae = &ad->AttrValue;
2441        memset(ae, 0, sizeof(*ae));
2442
2443        strncpy(ae->un.AttrString, "EMULEX",
2444                sizeof(ae->un.AttrString));
2445        len = strnlen(ae->un.AttrString,
2446                          sizeof(ae->un.AttrString));
2447        len += (len & 3) ? (4 - (len & 3)) : 4;
2448        size = FOURBYTES + len;
2449        ad->AttrLen = cpu_to_be16(size);
2450        ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2451        return size;
2452}
2453
2454/* Routines for all individual PORT attributes */
2455static int
2456lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2457                            struct lpfc_fdmi_attr_def *ad)
2458{
2459        struct lpfc_hba   *phba = vport->phba;
2460        struct lpfc_fdmi_attr_entry *ae;
2461        uint32_t size;
2462
2463        ae = &ad->AttrValue;
2464        memset(ae, 0, sizeof(*ae));
2465
2466        ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
2467        ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
2468
2469        /* Check to see if Firmware supports NVME and on physical port */
2470        if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2471            phba->sli4_hba.pc_sli4_params.nvme)
2472                ae->un.AttrTypes[6] = 0x01; /* Type 0x28 - NVME */
2473
2474        size = FOURBYTES + 32;
2475        ad->AttrLen = cpu_to_be16(size);
2476        ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2477        return size;
2478}
2479
2480static int
2481lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2482                                  struct lpfc_fdmi_attr_def *ad)
2483{
2484        struct lpfc_hba   *phba = vport->phba;
2485        struct lpfc_fdmi_attr_entry *ae;
2486        uint32_t size;
2487
2488        ae = &ad->AttrValue;
2489
2490        ae->un.AttrInt = 0;
2491        if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2492                if (phba->lmt & LMT_128Gb)
2493                        ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2494                if (phba->lmt & LMT_64Gb)
2495                        ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2496                if (phba->lmt & LMT_32Gb)
2497                        ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2498                if (phba->lmt & LMT_16Gb)
2499                        ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2500                if (phba->lmt & LMT_10Gb)
2501                        ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2502                if (phba->lmt & LMT_8Gb)
2503                        ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2504                if (phba->lmt & LMT_4Gb)
2505                        ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2506                if (phba->lmt & LMT_2Gb)
2507                        ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2508                if (phba->lmt & LMT_1Gb)
2509                        ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2510        } else {
2511                /* FCoE links support only one speed */
2512                switch (phba->fc_linkspeed) {
2513                case LPFC_ASYNC_LINK_SPEED_10GBPS:
2514                        ae->un.AttrInt = HBA_PORTSPEED_10GE;
2515                        break;
2516                case LPFC_ASYNC_LINK_SPEED_25GBPS:
2517                        ae->un.AttrInt = HBA_PORTSPEED_25GE;
2518                        break;
2519                case LPFC_ASYNC_LINK_SPEED_40GBPS:
2520                        ae->un.AttrInt = HBA_PORTSPEED_40GE;
2521                        break;
2522                case LPFC_ASYNC_LINK_SPEED_100GBPS:
2523                        ae->un.AttrInt = HBA_PORTSPEED_100GE;
2524                        break;
2525                }
2526        }
2527        ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2528        size = FOURBYTES + sizeof(uint32_t);
2529        ad->AttrLen = cpu_to_be16(size);
2530        ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2531        return size;
2532}
2533
2534static int
2535lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2536                          struct lpfc_fdmi_attr_def *ad)
2537{
2538        struct lpfc_hba   *phba = vport->phba;
2539        struct lpfc_fdmi_attr_entry *ae;
2540        uint32_t size;
2541
2542        ae = &ad->AttrValue;
2543
2544        if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2545                switch (phba->fc_linkspeed) {
2546                case LPFC_LINK_SPEED_1GHZ:
2547                        ae->un.AttrInt = HBA_PORTSPEED_1GFC;
2548                        break;
2549                case LPFC_LINK_SPEED_2GHZ:
2550                        ae->un.AttrInt = HBA_PORTSPEED_2GFC;
2551                        break;
2552                case LPFC_LINK_SPEED_4GHZ:
2553                        ae->un.AttrInt = HBA_PORTSPEED_4GFC;
2554                        break;
2555                case LPFC_LINK_SPEED_8GHZ:
2556                        ae->un.AttrInt = HBA_PORTSPEED_8GFC;
2557                        break;
2558                case LPFC_LINK_SPEED_10GHZ:
2559                        ae->un.AttrInt = HBA_PORTSPEED_10GFC;
2560                        break;
2561                case LPFC_LINK_SPEED_16GHZ:
2562                        ae->un.AttrInt = HBA_PORTSPEED_16GFC;
2563                        break;
2564                case LPFC_LINK_SPEED_32GHZ:
2565                        ae->un.AttrInt = HBA_PORTSPEED_32GFC;
2566                        break;
2567                case LPFC_LINK_SPEED_64GHZ:
2568                        ae->un.AttrInt = HBA_PORTSPEED_64GFC;
2569                        break;
2570                case LPFC_LINK_SPEED_128GHZ:
2571                        ae->un.AttrInt = HBA_PORTSPEED_128GFC;
2572                        break;
2573                default:
2574                        ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2575                        break;
2576                }
2577        } else {
2578                switch (phba->fc_linkspeed) {
2579                case LPFC_ASYNC_LINK_SPEED_10GBPS:
2580                        ae->un.AttrInt = HBA_PORTSPEED_10GE;
2581                        break;
2582                case LPFC_ASYNC_LINK_SPEED_25GBPS:
2583                        ae->un.AttrInt = HBA_PORTSPEED_25GE;
2584                        break;
2585                case LPFC_ASYNC_LINK_SPEED_40GBPS:
2586                        ae->un.AttrInt = HBA_PORTSPEED_40GE;
2587                        break;
2588                case LPFC_ASYNC_LINK_SPEED_100GBPS:
2589                        ae->un.AttrInt = HBA_PORTSPEED_100GE;
2590                        break;
2591                default:
2592                        ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2593                        break;
2594                }
2595        }
2596
2597        ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2598        size = FOURBYTES + sizeof(uint32_t);
2599        ad->AttrLen = cpu_to_be16(size);
2600        ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
2601        return size;
2602}
2603
2604static int
2605lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
2606                              struct lpfc_fdmi_attr_def *ad)
2607{
2608        struct serv_parm *hsp;
2609        struct lpfc_fdmi_attr_entry *ae;
2610        uint32_t size;
2611
2612        ae = &ad->AttrValue;
2613
2614        hsp = (struct serv_parm *)&vport->fc_sparam;
2615        ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
2616                          (uint32_t) hsp->cmn.bbRcvSizeLsb;
2617        ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2618        size = FOURBYTES + sizeof(uint32_t);
2619        ad->AttrLen = cpu_to_be16(size);
2620        ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
2621        return size;
2622}
2623
2624static int
2625lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
2626                               struct lpfc_fdmi_attr_def *ad)
2627{
2628        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2629        struct lpfc_fdmi_attr_entry *ae;
2630        uint32_t len, size;
2631
2632        ae = &ad->AttrValue;
2633        memset(ae, 0, sizeof(*ae));
2634
2635        snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
2636                 "/sys/class/scsi_host/host%d", shost->host_no);
2637        len = strnlen((char *)ae->un.AttrString,
2638                          sizeof(ae->un.AttrString));
2639        len += (len & 3) ? (4 - (len & 3)) : 4;
2640        size = FOURBYTES + len;
2641        ad->AttrLen = cpu_to_be16(size);
2642        ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
2643        return size;
2644}
2645
2646static int
2647lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
2648                              struct lpfc_fdmi_attr_def *ad)
2649{
2650        struct lpfc_fdmi_attr_entry *ae;
2651        uint32_t len, size;
2652
2653        ae = &ad->AttrValue;
2654        memset(ae, 0, sizeof(*ae));
2655
2656        scnprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
2657                  vport->phba->os_host_name);
2658
2659        len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2660        len += (len & 3) ? (4 - (len & 3)) : 4;
2661        size = FOURBYTES + len;
2662        ad->AttrLen = cpu_to_be16(size);
2663        ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
2664        return size;
2665}
2666
2667static int
2668lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
2669                         struct lpfc_fdmi_attr_def *ad)
2670{
2671        struct lpfc_fdmi_attr_entry *ae;
2672        uint32_t size;
2673
2674        ae = &ad->AttrValue;
2675        memset(ae, 0, sizeof(*ae));
2676
2677        memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2678               sizeof(struct lpfc_name));
2679        size = FOURBYTES + sizeof(struct lpfc_name);
2680        ad->AttrLen = cpu_to_be16(size);
2681        ad->AttrType = cpu_to_be16(RPRT_NODENAME);
2682        return size;
2683}
2684
2685static int
2686lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
2687                         struct lpfc_fdmi_attr_def *ad)
2688{
2689        struct lpfc_fdmi_attr_entry *ae;
2690        uint32_t size;
2691
2692        ae = &ad->AttrValue;
2693        memset(ae, 0, sizeof(*ae));
2694
2695        memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
2696               sizeof(struct lpfc_name));
2697        size = FOURBYTES + sizeof(struct lpfc_name);
2698        ad->AttrLen = cpu_to_be16(size);
2699        ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
2700        return size;
2701}
2702
2703static int
2704lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
2705                                  struct lpfc_fdmi_attr_def *ad)
2706{
2707        struct lpfc_fdmi_attr_entry *ae;
2708        uint32_t len, size;
2709
2710        ae = &ad->AttrValue;
2711        memset(ae, 0, sizeof(*ae));
2712
2713        len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
2714        len += (len & 3) ? (4 - (len & 3)) : 4;
2715        size = FOURBYTES + len;
2716        ad->AttrLen = cpu_to_be16(size);
2717        ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
2718        return size;
2719}
2720
2721static int
2722lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
2723                              struct lpfc_fdmi_attr_def *ad)
2724{
2725        struct lpfc_hba *phba = vport->phba;
2726        struct lpfc_fdmi_attr_entry *ae;
2727        uint32_t size;
2728
2729        ae = &ad->AttrValue;
2730        if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
2731                ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
2732        else
2733                ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
2734        size = FOURBYTES + sizeof(uint32_t);
2735        ad->AttrLen = cpu_to_be16(size);
2736        ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
2737        return size;
2738}
2739
2740static int
2741lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
2742                          struct lpfc_fdmi_attr_def *ad)
2743{
2744        struct lpfc_fdmi_attr_entry *ae;
2745        uint32_t size;
2746
2747        ae = &ad->AttrValue;
2748        ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
2749        size = FOURBYTES + sizeof(uint32_t);
2750        ad->AttrLen = cpu_to_be16(size);
2751        ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
2752        return size;
2753}
2754
2755static int
2756lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
2757                                struct lpfc_fdmi_attr_def *ad)
2758{
2759        struct lpfc_fdmi_attr_entry *ae;
2760        uint32_t size;
2761
2762        ae = &ad->AttrValue;
2763        memset(ae, 0, sizeof(*ae));
2764
2765        memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
2766               sizeof(struct lpfc_name));
2767        size = FOURBYTES + sizeof(struct lpfc_name);
2768        ad->AttrLen = cpu_to_be16(size);
2769        ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
2770        return size;
2771}
2772
2773static int
2774lpfc_fdmi_port_attr_active_fc4type(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        memset(ae, 0, sizeof(*ae));
2782
2783        ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
2784        ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
2785
2786        /* Check to see if NVME is configured or not */
2787        if (vport->phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
2788                ae->un.AttrTypes[6] = 0x1; /* Type 0x28 - NVME */
2789
2790        size = FOURBYTES + 32;
2791        ad->AttrLen = cpu_to_be16(size);
2792        ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
2793        return size;
2794}
2795
2796static int
2797lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
2798                               struct lpfc_fdmi_attr_def *ad)
2799{
2800        struct lpfc_fdmi_attr_entry *ae;
2801        uint32_t size;
2802
2803        ae = &ad->AttrValue;
2804        /* Link Up - operational */
2805        ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
2806        size = FOURBYTES + sizeof(uint32_t);
2807        ad->AttrLen = cpu_to_be16(size);
2808        ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
2809        return size;
2810}
2811
2812static int
2813lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
2814                             struct lpfc_fdmi_attr_def *ad)
2815{
2816        struct lpfc_fdmi_attr_entry *ae;
2817        uint32_t size;
2818
2819        ae = &ad->AttrValue;
2820        vport->fdmi_num_disc = lpfc_find_map_node(vport);
2821        ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
2822        size = FOURBYTES + sizeof(uint32_t);
2823        ad->AttrLen = cpu_to_be16(size);
2824        ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
2825        return size;
2826}
2827
2828static int
2829lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
2830                            struct lpfc_fdmi_attr_def *ad)
2831{
2832        struct lpfc_fdmi_attr_entry *ae;
2833        uint32_t size;
2834
2835        ae = &ad->AttrValue;
2836        ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
2837        size = FOURBYTES + sizeof(uint32_t);
2838        ad->AttrLen = cpu_to_be16(size);
2839        ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
2840        return size;
2841}
2842
2843static int
2844lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
2845                             struct lpfc_fdmi_attr_def *ad)
2846{
2847        struct lpfc_fdmi_attr_entry *ae;
2848        uint32_t len, size;
2849
2850        ae = &ad->AttrValue;
2851        memset(ae, 0, sizeof(*ae));
2852
2853        strncpy(ae->un.AttrString, "Smart SAN Initiator",
2854                sizeof(ae->un.AttrString));
2855        len = strnlen(ae->un.AttrString,
2856                          sizeof(ae->un.AttrString));
2857        len += (len & 3) ? (4 - (len & 3)) : 4;
2858        size = FOURBYTES + len;
2859        ad->AttrLen = cpu_to_be16(size);
2860        ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
2861        return size;
2862}
2863
2864static int
2865lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
2866                          struct lpfc_fdmi_attr_def *ad)
2867{
2868        struct lpfc_fdmi_attr_entry *ae;
2869        uint32_t size;
2870
2871        ae = &ad->AttrValue;
2872        memset(ae, 0, sizeof(*ae));
2873
2874        memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
2875               sizeof(struct lpfc_name));
2876        memcpy((((uint8_t *)&ae->un.AttrString) +
2877                sizeof(struct lpfc_name)),
2878                &vport->fc_sparam.portName, sizeof(struct lpfc_name));
2879        size = FOURBYTES + (2 * sizeof(struct lpfc_name));
2880        ad->AttrLen =  cpu_to_be16(size);
2881        ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
2882        return size;
2883}
2884
2885static int
2886lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
2887                             struct lpfc_fdmi_attr_def *ad)
2888{
2889        struct lpfc_fdmi_attr_entry *ae;
2890        uint32_t len, size;
2891
2892        ae = &ad->AttrValue;
2893        memset(ae, 0, sizeof(*ae));
2894
2895        strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
2896                sizeof(ae->un.AttrString));
2897        len = strnlen(ae->un.AttrString,
2898                          sizeof(ae->un.AttrString));
2899        len += (len & 3) ? (4 - (len & 3)) : 4;
2900        size = FOURBYTES + len;
2901        ad->AttrLen =  cpu_to_be16(size);
2902        ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
2903        return size;
2904}
2905
2906static int
2907lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
2908                           struct lpfc_fdmi_attr_def *ad)
2909{
2910        struct lpfc_hba *phba = vport->phba;
2911        struct lpfc_fdmi_attr_entry *ae;
2912        uint32_t len, size;
2913
2914        ae = &ad->AttrValue;
2915        memset(ae, 0, sizeof(*ae));
2916
2917        strncpy(ae->un.AttrString, phba->ModelName,
2918                sizeof(ae->un.AttrString));
2919        len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2920        len += (len & 3) ? (4 - (len & 3)) : 4;
2921        size = FOURBYTES + len;
2922        ad->AttrLen = cpu_to_be16(size);
2923        ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
2924        return size;
2925}
2926
2927static int
2928lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
2929                               struct lpfc_fdmi_attr_def *ad)
2930{
2931        struct lpfc_fdmi_attr_entry *ae;
2932        uint32_t size;
2933
2934        ae = &ad->AttrValue;
2935
2936        /* SRIOV (type 3) is not supported */
2937        if (vport->vpi)
2938                ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
2939        else
2940                ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
2941        size = FOURBYTES + sizeof(uint32_t);
2942        ad->AttrLen = cpu_to_be16(size);
2943        ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
2944        return size;
2945}
2946
2947static int
2948lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
2949                         struct lpfc_fdmi_attr_def *ad)
2950{
2951        struct lpfc_fdmi_attr_entry *ae;
2952        uint32_t size;
2953
2954        ae = &ad->AttrValue;
2955        ae->un.AttrInt =  cpu_to_be32(0);
2956        size = FOURBYTES + sizeof(uint32_t);
2957        ad->AttrLen = cpu_to_be16(size);
2958        ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
2959        return size;
2960}
2961
2962static int
2963lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
2964                              struct lpfc_fdmi_attr_def *ad)
2965{
2966        struct lpfc_fdmi_attr_entry *ae;
2967        uint32_t size;
2968
2969        ae = &ad->AttrValue;
2970        ae->un.AttrInt =  cpu_to_be32(1);
2971        size = FOURBYTES + sizeof(uint32_t);
2972        ad->AttrLen = cpu_to_be16(size);
2973        ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
2974        return size;
2975}
2976
2977/* RHBA attribute jump table */
2978int (*lpfc_fdmi_hba_action[])
2979        (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2980        /* Action routine                 Mask bit     Attribute type */
2981        lpfc_fdmi_hba_attr_wwnn,          /* bit0     RHBA_NODENAME           */
2982        lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
2983        lpfc_fdmi_hba_attr_sn,            /* bit2     RHBA_SERIAL_NUMBER      */
2984        lpfc_fdmi_hba_attr_model,         /* bit3     RHBA_MODEL              */
2985        lpfc_fdmi_hba_attr_description,   /* bit4     RHBA_MODEL_DESCRIPTION  */
2986        lpfc_fdmi_hba_attr_hdw_ver,       /* bit5     RHBA_HARDWARE_VERSION   */
2987        lpfc_fdmi_hba_attr_drvr_ver,      /* bit6     RHBA_DRIVER_VERSION     */
2988        lpfc_fdmi_hba_attr_rom_ver,       /* bit7     RHBA_OPTION_ROM_VERSION */
2989        lpfc_fdmi_hba_attr_fmw_ver,       /* bit8     RHBA_FIRMWARE_VERSION   */
2990        lpfc_fdmi_hba_attr_os_ver,        /* bit9     RHBA_OS_NAME_VERSION    */
2991        lpfc_fdmi_hba_attr_ct_len,        /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
2992        lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
2993        lpfc_fdmi_hba_attr_vendor_info,   /* bit12    RHBA_VENDOR_INFO        */
2994        lpfc_fdmi_hba_attr_num_ports,     /* bit13    RHBA_NUM_PORTS          */
2995        lpfc_fdmi_hba_attr_fabric_wwnn,   /* bit14    RHBA_FABRIC_WWNN        */
2996        lpfc_fdmi_hba_attr_bios_ver,      /* bit15    RHBA_BIOS_VERSION       */
2997        lpfc_fdmi_hba_attr_bios_state,    /* bit16    RHBA_BIOS_STATE         */
2998        lpfc_fdmi_hba_attr_vendor_id,     /* bit17    RHBA_VENDOR_ID          */
2999};
3000
3001/* RPA / RPRT attribute jump table */
3002int (*lpfc_fdmi_port_action[])
3003        (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3004        /* Action routine                   Mask bit   Attribute type */
3005        lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
3006        lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
3007        lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
3008        lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
3009        lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
3010        lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
3011        lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
3012        lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
3013        lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
3014        lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
3015        lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
3016        lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
3017        lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
3018        lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
3019        lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
3020        lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
3021        lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
3022        lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
3023        lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
3024        lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
3025        lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
3026        lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
3027        lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
3028};
3029
3030/**
3031 * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3032 * @vport: pointer to a host virtual N_Port data structure.
3033 * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3034 * @cmdcode: FDMI command to send
3035 * @new_mask: Mask of HBA or PORT Attributes to send
3036 *
3037 * Builds and sends a FDMI command using the CT subsystem.
3038 */
3039int
3040lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3041              int cmdcode, uint32_t new_mask)
3042{
3043        struct lpfc_hba *phba = vport->phba;
3044        struct lpfc_dmabuf *mp, *bmp;
3045        struct lpfc_sli_ct_request *CtReq;
3046        struct ulp_bde64 *bpl;
3047        uint32_t bit_pos;
3048        uint32_t size;
3049        uint32_t rsp_size;
3050        uint32_t mask;
3051        struct lpfc_fdmi_reg_hba *rh;
3052        struct lpfc_fdmi_port_entry *pe;
3053        struct lpfc_fdmi_reg_portattr *pab = NULL;
3054        struct lpfc_fdmi_attr_block *ab = NULL;
3055        int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
3056        void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
3057                     struct lpfc_iocbq *);
3058
3059        if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
3060                return 0;
3061
3062        cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3063
3064        /* fill in BDEs for command */
3065        /* Allocate buffer for command payload */
3066        mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3067        if (!mp)
3068                goto fdmi_cmd_exit;
3069
3070        mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
3071        if (!mp->virt)
3072                goto fdmi_cmd_free_mp;
3073
3074        /* Allocate buffer for Buffer ptr list */
3075        bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3076        if (!bmp)
3077                goto fdmi_cmd_free_mpvirt;
3078
3079        bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
3080        if (!bmp->virt)
3081                goto fdmi_cmd_free_bmp;
3082
3083        INIT_LIST_HEAD(&mp->list);
3084        INIT_LIST_HEAD(&bmp->list);
3085
3086        /* FDMI request */
3087        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3088                         "0218 FDMI Request Data: x%x x%x x%x\n",
3089                         vport->fc_flag, vport->port_state, cmdcode);
3090        CtReq = (struct lpfc_sli_ct_request *)mp->virt;
3091
3092        /* First populate the CT_IU preamble */
3093        memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
3094        CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3095        CtReq->RevisionId.bits.InId = 0;
3096
3097        CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3098        CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3099
3100        CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3101        rsp_size = LPFC_BPL_SIZE;
3102        size = 0;
3103
3104        /* Next fill in the specific FDMI cmd information */
3105        switch (cmdcode) {
3106        case SLI_MGMT_RHAT:
3107        case SLI_MGMT_RHBA:
3108                rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
3109                /* HBA Identifier */
3110                memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3111                       sizeof(struct lpfc_name));
3112
3113                if (cmdcode == SLI_MGMT_RHBA) {
3114                        /* Registered Port List */
3115                        /* One entry (port) per adapter */
3116                        rh->rpl.EntryCnt = cpu_to_be32(1);
3117                        memcpy(&rh->rpl.pe.PortName,
3118                               &phba->pport->fc_sparam.portName,
3119                               sizeof(struct lpfc_name));
3120
3121                        /* point to the HBA attribute block */
3122                        size = 2 * sizeof(struct lpfc_name) +
3123                                FOURBYTES;
3124                } else {
3125                        size = sizeof(struct lpfc_name);
3126                }
3127                ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3128                ab->EntryCnt = 0;
3129                size += FOURBYTES;
3130                bit_pos = 0;
3131                if (new_mask)
3132                        mask = new_mask;
3133                else
3134                        mask = vport->fdmi_hba_mask;
3135
3136                /* Mask will dictate what attributes to build in the request */
3137                while (mask) {
3138                        if (mask & 0x1) {
3139                                func = lpfc_fdmi_hba_action[bit_pos];
3140                                size += func(vport,
3141                                             (struct lpfc_fdmi_attr_def *)
3142                                             ((uint8_t *)rh + size));
3143                                ab->EntryCnt++;
3144                                if ((size + 256) >
3145                                    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3146                                        goto hba_out;
3147                        }
3148                        mask = mask >> 1;
3149                        bit_pos++;
3150                }
3151hba_out:
3152                ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3153                /* Total size */
3154                size = GID_REQUEST_SZ - 4 + size;
3155                break;
3156
3157        case SLI_MGMT_RPRT:
3158        case SLI_MGMT_RPA:
3159                pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
3160                if (cmdcode == SLI_MGMT_RPRT) {
3161                        rh = (struct lpfc_fdmi_reg_hba *)pab;
3162                        /* HBA Identifier */
3163                        memcpy(&rh->hi.PortName,
3164                               &phba->pport->fc_sparam.portName,
3165                               sizeof(struct lpfc_name));
3166                        pab = (struct lpfc_fdmi_reg_portattr *)
3167                                ((uint8_t *)pab +  sizeof(struct lpfc_name));
3168                }
3169
3170                memcpy((uint8_t *)&pab->PortName,
3171                       (uint8_t *)&vport->fc_sparam.portName,
3172                       sizeof(struct lpfc_name));
3173                size += sizeof(struct lpfc_name) + FOURBYTES;
3174                pab->ab.EntryCnt = 0;
3175                bit_pos = 0;
3176                if (new_mask)
3177                        mask = new_mask;
3178                else
3179                        mask = vport->fdmi_port_mask;
3180
3181                /* Mask will dictate what attributes to build in the request */
3182                while (mask) {
3183                        if (mask & 0x1) {
3184                                func = lpfc_fdmi_port_action[bit_pos];
3185                                size += func(vport,
3186                                             (struct lpfc_fdmi_attr_def *)
3187                                             ((uint8_t *)pab + size));
3188                                pab->ab.EntryCnt++;
3189                                if ((size + 256) >
3190                                    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3191                                        goto port_out;
3192                        }
3193                        mask = mask >> 1;
3194                        bit_pos++;
3195                }
3196port_out:
3197                pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3198                /* Total size */
3199                if (cmdcode == SLI_MGMT_RPRT)
3200                        size += sizeof(struct lpfc_name);
3201                size = GID_REQUEST_SZ - 4 + size;
3202                break;
3203
3204        case SLI_MGMT_GHAT:
3205        case SLI_MGMT_GRPL:
3206                rsp_size = FC_MAX_NS_RSP;
3207                fallthrough;
3208        case SLI_MGMT_DHBA:
3209        case SLI_MGMT_DHAT:
3210                pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3211                memcpy((uint8_t *)&pe->PortName,
3212                       (uint8_t *)&vport->fc_sparam.portName,
3213                       sizeof(struct lpfc_name));
3214                size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3215                break;
3216
3217        case SLI_MGMT_GPAT:
3218        case SLI_MGMT_GPAS:
3219                rsp_size = FC_MAX_NS_RSP;
3220                fallthrough;
3221        case SLI_MGMT_DPRT:
3222        case SLI_MGMT_DPA:
3223                pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3224                memcpy((uint8_t *)&pe->PortName,
3225                       (uint8_t *)&vport->fc_sparam.portName,
3226                       sizeof(struct lpfc_name));
3227                size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3228                break;
3229        case SLI_MGMT_GRHL:
3230                size = GID_REQUEST_SZ - 4;
3231                break;
3232        default:
3233                lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3234                                 "0298 FDMI cmdcode x%x not supported\n",
3235                                 cmdcode);
3236                goto fdmi_cmd_free_bmpvirt;
3237        }
3238        CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3239
3240        bpl = (struct ulp_bde64 *)bmp->virt;
3241        bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
3242        bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
3243        bpl->tus.f.bdeFlags = 0;
3244        bpl->tus.f.bdeSize = size;
3245
3246        /*
3247         * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3248         * to hold ndlp reference for the corresponding callback function.
3249         */
3250        if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
3251                return 0;
3252
3253        /*
3254         * Decrement ndlp reference count to release ndlp reference held
3255         * for the failed command's callback function.
3256         */
3257        lpfc_nlp_put(ndlp);
3258
3259fdmi_cmd_free_bmpvirt:
3260        lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3261fdmi_cmd_free_bmp:
3262        kfree(bmp);
3263fdmi_cmd_free_mpvirt:
3264        lpfc_mbuf_free(phba, mp->virt, mp->phys);
3265fdmi_cmd_free_mp:
3266        kfree(mp);
3267fdmi_cmd_exit:
3268        /* Issue FDMI request failed */
3269        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3270                         "0244 Issue FDMI request failed Data: x%x\n",
3271                         cmdcode);
3272        return 1;
3273}
3274
3275/**
3276 * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3277 * @t: Context object of the timer.
3278 *
3279 * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3280 * the worker thread.
3281 **/
3282void
3283lpfc_delayed_disc_tmo(struct timer_list *t)
3284{
3285        struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3286        struct lpfc_hba   *phba = vport->phba;
3287        uint32_t tmo_posted;
3288        unsigned long iflag;
3289
3290        spin_lock_irqsave(&vport->work_port_lock, iflag);
3291        tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3292        if (!tmo_posted)
3293                vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3294        spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3295
3296        if (!tmo_posted)
3297                lpfc_worker_wake_up(phba);
3298        return;
3299}
3300
3301/**
3302 * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3303 *      handle delayed discovery.
3304 * @vport: pointer to a host virtual N_Port data structure.
3305 *
3306 * This function start nport discovery of the vport.
3307 **/
3308void
3309lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3310{
3311        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3312
3313        spin_lock_irq(shost->host_lock);
3314        if (!(vport->fc_flag & FC_DISC_DELAYED)) {
3315                spin_unlock_irq(shost->host_lock);
3316                return;
3317        }
3318        vport->fc_flag &= ~FC_DISC_DELAYED;
3319        spin_unlock_irq(shost->host_lock);
3320
3321        lpfc_do_scr_ns_plogi(vport->phba, vport);
3322}
3323
3324void
3325lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3326{
3327        struct lpfc_sli *psli = &phba->sli;
3328        lpfc_vpd_t *vp = &phba->vpd;
3329        uint32_t b1, b2, b3, b4, i, rev;
3330        char c;
3331        uint32_t *ptr, str[4];
3332        uint8_t *fwname;
3333
3334        if (phba->sli_rev == LPFC_SLI_REV4)
3335                snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3336        else if (vp->rev.rBit) {
3337                if (psli->sli_flag & LPFC_SLI_ACTIVE)
3338                        rev = vp->rev.sli2FwRev;
3339                else
3340                        rev = vp->rev.sli1FwRev;
3341
3342                b1 = (rev & 0x0000f000) >> 12;
3343                b2 = (rev & 0x00000f00) >> 8;
3344                b3 = (rev & 0x000000c0) >> 6;
3345                b4 = (rev & 0x00000030) >> 4;
3346
3347                switch (b4) {
3348                case 0:
3349                        c = 'N';
3350                        break;
3351                case 1:
3352                        c = 'A';
3353                        break;
3354                case 2:
3355                        c = 'B';
3356                        break;
3357                case 3:
3358                        c = 'X';
3359                        break;
3360                default:
3361                        c = 0;
3362                        break;
3363                }
3364                b4 = (rev & 0x0000000f);
3365
3366                if (psli->sli_flag & LPFC_SLI_ACTIVE)
3367                        fwname = vp->rev.sli2FwName;
3368                else
3369                        fwname = vp->rev.sli1FwName;
3370
3371                for (i = 0; i < 16; i++)
3372                        if (fwname[i] == 0x20)
3373                                fwname[i] = 0;
3374
3375                ptr = (uint32_t*)fwname;
3376
3377                for (i = 0; i < 3; i++)
3378                        str[i] = be32_to_cpu(*ptr++);
3379
3380                if (c == 0) {
3381                        if (flag)
3382                                sprintf(fwrevision, "%d.%d%d (%s)",
3383                                        b1, b2, b3, (char *)str);
3384                        else
3385                                sprintf(fwrevision, "%d.%d%d", b1,
3386                                        b2, b3);
3387                } else {
3388                        if (flag)
3389                                sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3390                                        b1, b2, b3, c,
3391                                        b4, (char *)str);
3392                        else
3393                                sprintf(fwrevision, "%d.%d%d%c%d",
3394                                        b1, b2, b3, c, b4);
3395                }
3396        } else {
3397                rev = vp->rev.smFwRev;
3398
3399                b1 = (rev & 0xff000000) >> 24;
3400                b2 = (rev & 0x00f00000) >> 20;
3401                b3 = (rev & 0x000f0000) >> 16;
3402                c  = (rev & 0x0000ff00) >> 8;
3403                b4 = (rev & 0x000000ff);
3404
3405                sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3406        }
3407        return;
3408}
3409