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                lpfc_sli_release_iocbq(phba, geniocb);
 391                return 1;
 392        }
 393
 394        return 0;
 395}
 396
 397/*
 398 * lpfc_ct_cmd - Build and issue a CT command
 399 * @vport: pointer to a host virtual N_Port data structure.
 400 * @inmp: Pointer to data buffer for response data.
 401 * @bmp: Pointer to BPL for SLI command
 402 * @ndlp: Destination NPort nodelist entry
 403 * @cmpl: completion routine to call when command completes
 404 *
 405 * This function is called for issuing a CT command.
 406 */
 407static int
 408lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 409            struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 410            void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 411                          struct lpfc_iocbq *),
 412            uint32_t rsp_size, uint8_t retry)
 413{
 414        struct lpfc_hba  *phba = vport->phba;
 415        struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 416        struct lpfc_dmabuf *outmp;
 417        int cnt = 0, status;
 418        int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 419                CommandResponse.bits.CmdRsp;
 420
 421        bpl++;                  /* Skip past ct request */
 422
 423        /* Put buffer(s) for ct rsp in bpl */
 424        outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 425        if (!outmp)
 426                return -ENOMEM;
 427        /*
 428         * Form the CT IOCB.  The total number of BDEs in this IOCB
 429         * is the single command plus response count from
 430         * lpfc_alloc_ct_rsp.
 431         */
 432        cnt += 1;
 433        status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
 434                              cnt, 0, retry);
 435        if (status) {
 436                lpfc_free_ct_rsp(phba, outmp);
 437                return -ENOMEM;
 438        }
 439        return 0;
 440}
 441
 442struct lpfc_vport *
 443lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 444        struct lpfc_vport *vport_curr;
 445        unsigned long flags;
 446
 447        spin_lock_irqsave(&phba->port_list_lock, flags);
 448        list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 449                if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 450                        spin_unlock_irqrestore(&phba->port_list_lock, flags);
 451                        return vport_curr;
 452                }
 453        }
 454        spin_unlock_irqrestore(&phba->port_list_lock, flags);
 455        return NULL;
 456}
 457
 458static void
 459lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 460{
 461        struct lpfc_nodelist *ndlp;
 462
 463        if ((vport->port_type != LPFC_NPIV_PORT) ||
 464            !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
 465
 466                ndlp = lpfc_setup_disc_node(vport, Did);
 467
 468                if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 469                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 470                                "Parse GID_FTrsp: did:x%x flg:x%x x%x",
 471                                Did, ndlp->nlp_flag, vport->fc_flag);
 472
 473                        /* By default, the driver expects to support FCP FC4 */
 474                        if (fc4_type == FC_TYPE_FCP)
 475                                ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 476
 477                        if (fc4_type == FC_TYPE_NVME)
 478                                ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 479
 480                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 481                                         "0238 Process x%06x NameServer Rsp "
 482                                         "Data: x%x x%x x%x x%x x%x\n", Did,
 483                                         ndlp->nlp_flag, ndlp->nlp_fc4_type,
 484                                         ndlp->nlp_state, vport->fc_flag,
 485                                         vport->fc_rscn_id_cnt);
 486
 487                        /* if ndlp needs to be discovered and prior
 488                         * state of ndlp hit devloss, change state to
 489                         * allow rediscovery.
 490                         */
 491                        if (ndlp->nlp_flag & NLP_NPR_2B_DISC &&
 492                            ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
 493                                lpfc_nlp_set_state(vport, ndlp,
 494                                                   NLP_STE_NPR_NODE);
 495                        }
 496                } else {
 497                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 498                                "Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 499                                Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 500
 501                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 502                                         "0239 Skip x%06x NameServer Rsp "
 503                                         "Data: x%x x%x %p\n",
 504                                         Did, vport->fc_flag,
 505                                         vport->fc_rscn_id_cnt, ndlp);
 506                }
 507        } else {
 508                if (!(vport->fc_flag & FC_RSCN_MODE) ||
 509                    lpfc_rscn_payload_check(vport, Did)) {
 510                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 511                                "Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
 512                                Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 513
 514                        /*
 515                         * This NPortID was previously a FCP/NVMe target,
 516                         * Don't even bother to send GFF_ID.
 517                         */
 518                        ndlp = lpfc_findnode_did(vport, Did);
 519                        if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
 520                            (ndlp->nlp_type &
 521                            (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
 522                                if (fc4_type == FC_TYPE_FCP)
 523                                        ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 524                                if (fc4_type == FC_TYPE_NVME)
 525                                        ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 526                                lpfc_setup_disc_node(vport, Did);
 527                        } else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 528                                   0, Did) == 0)
 529                                vport->num_disc_nodes++;
 530                        else
 531                                lpfc_setup_disc_node(vport, Did);
 532                } else {
 533                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 534                                "Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
 535                                Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 536
 537                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 538                                         "0245 Skip x%06x NameServer Rsp "
 539                                         "Data: x%x x%x\n", Did,
 540                                         vport->fc_flag,
 541                                         vport->fc_rscn_id_cnt);
 542                }
 543        }
 544}
 545
 546static void
 547lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 548{
 549        struct lpfc_hba *phba = vport->phba;
 550        struct lpfc_nodelist *ndlp = NULL;
 551        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 552        char *str;
 553
 554        if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
 555                str = "GID_FT";
 556        else
 557                str = "GID_PT";
 558        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 559                         "6430 Process %s rsp for %08x type %x %s %s\n",
 560                         str, Did, fc4_type,
 561                         (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
 562                         (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
 563        /*
 564         * To conserve rpi's, filter out addresses for other
 565         * vports on the same physical HBAs.
 566         */
 567        if (Did != vport->fc_myDID &&
 568            (!lpfc_find_vport_by_did(phba, Did) ||
 569             vport->cfg_peer_port_login)) {
 570                if (!phba->nvmet_support) {
 571                        /* FCPI/NVMEI path. Process Did */
 572                        lpfc_prep_node_fc4type(vport, Did, fc4_type);
 573                        return;
 574                }
 575                /* NVMET path.  NVMET only cares about NVMEI nodes. */
 576                list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 577                        if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
 578                            ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
 579                                continue;
 580                        spin_lock_irq(shost->host_lock);
 581                        if (ndlp->nlp_DID == Did)
 582                                ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 583                        else
 584                                ndlp->nlp_flag |= NLP_NVMET_RECOV;
 585                        spin_unlock_irq(shost->host_lock);
 586                }
 587        }
 588}
 589
 590static int
 591lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
 592            uint32_t Size)
 593{
 594        struct lpfc_sli_ct_request *Response =
 595                (struct lpfc_sli_ct_request *) mp->virt;
 596        struct lpfc_dmabuf *mlast, *next_mp;
 597        uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 598        uint32_t Did, CTentry;
 599        int Cnt;
 600        struct list_head head;
 601        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 602        struct lpfc_nodelist *ndlp = NULL;
 603
 604        lpfc_set_disctmo(vport);
 605        vport->num_disc_nodes = 0;
 606        vport->fc_ns_retry = 0;
 607
 608
 609        list_add_tail(&head, &mp->list);
 610        list_for_each_entry_safe(mp, next_mp, &head, list) {
 611                mlast = mp;
 612
 613                Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 614
 615                Size -= Cnt;
 616
 617                if (!ctptr) {
 618                        ctptr = (uint32_t *) mlast->virt;
 619                } else
 620                        Cnt -= 16;      /* subtract length of CT header */
 621
 622                /* Loop through entire NameServer list of DIDs */
 623                while (Cnt >= sizeof(uint32_t)) {
 624                        /* Get next DID from NameServer List */
 625                        CTentry = *ctptr++;
 626                        Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 627                        lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
 628                        if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
 629                                goto nsout1;
 630
 631                        Cnt -= sizeof(uint32_t);
 632                }
 633                ctptr = NULL;
 634
 635        }
 636
 637        /* All GID_FT entries processed.  If the driver is running in
 638         * in target mode, put impacted nodes into recovery and drop
 639         * the RPI to flush outstanding IO.
 640         */
 641        if (vport->phba->nvmet_support) {
 642                list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 643                        if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
 644                                continue;
 645                        lpfc_disc_state_machine(vport, ndlp, NULL,
 646                                                NLP_EVT_DEVICE_RECOVERY);
 647                        spin_lock_irq(shost->host_lock);
 648                        ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 649                        spin_unlock_irq(shost->host_lock);
 650                }
 651        }
 652
 653nsout1:
 654        list_del(&head);
 655        return 0;
 656}
 657
 658static void
 659lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 660                        struct lpfc_iocbq *rspiocb)
 661{
 662        struct lpfc_vport *vport = cmdiocb->vport;
 663        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 664        IOCB_t *irsp;
 665        struct lpfc_dmabuf *outp;
 666        struct lpfc_dmabuf *inp;
 667        struct lpfc_sli_ct_request *CTrsp;
 668        struct lpfc_sli_ct_request *CTreq;
 669        struct lpfc_nodelist *ndlp;
 670        int rc, type;
 671
 672        /* First save ndlp, before we overwrite it */
 673        ndlp = cmdiocb->context_un.ndlp;
 674
 675        /* we pass cmdiocb to state machine which needs rspiocb as well */
 676        cmdiocb->context_un.rsp_iocb = rspiocb;
 677        inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 678        outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 679        irsp = &rspiocb->iocb;
 680
 681        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 682                 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 683                irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 684
 685        /* Don't bother processing response if vport is being torn down. */
 686        if (vport->load_flag & FC_UNLOADING) {
 687                if (vport->fc_flag & FC_RSCN_MODE)
 688                        lpfc_els_flush_rscn(vport);
 689                goto out;
 690        }
 691
 692        if (lpfc_els_chk_latt(vport)) {
 693                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 694                                 "0216 Link event during NS query\n");
 695                if (vport->fc_flag & FC_RSCN_MODE)
 696                        lpfc_els_flush_rscn(vport);
 697                lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 698                goto out;
 699        }
 700        if (lpfc_error_lost_link(irsp)) {
 701                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 702                                 "0226 NS query failed due to link event\n");
 703                if (vport->fc_flag & FC_RSCN_MODE)
 704                        lpfc_els_flush_rscn(vport);
 705                goto out;
 706        }
 707
 708        spin_lock_irq(shost->host_lock);
 709        if (vport->fc_flag & FC_RSCN_DEFERRED) {
 710                vport->fc_flag &= ~FC_RSCN_DEFERRED;
 711                spin_unlock_irq(shost->host_lock);
 712
 713                /* This is a GID_FT completing so the gidft_inp counter was
 714                 * incremented before the GID_FT was issued to the wire.
 715                 */
 716                if (vport->gidft_inp)
 717                        vport->gidft_inp--;
 718
 719                /*
 720                 * Skip processing the NS response
 721                 * Re-issue the NS cmd
 722                 */
 723                lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 724                                 "0151 Process Deferred RSCN Data: x%x x%x\n",
 725                                 vport->fc_flag, vport->fc_rscn_id_cnt);
 726                lpfc_els_handle_rscn(vport);
 727
 728                goto out;
 729        }
 730        spin_unlock_irq(shost->host_lock);
 731
 732        if (irsp->ulpStatus) {
 733                /* Check for retry */
 734                if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 735                        if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
 736                            (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
 737                            IOERR_NO_RESOURCES)
 738                                vport->fc_ns_retry++;
 739
 740                        type = lpfc_get_gidft_type(vport, cmdiocb);
 741                        if (type == 0)
 742                                goto out;
 743
 744                        /* CT command is being retried */
 745                        rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
 746                                         vport->fc_ns_retry, type);
 747                        if (rc == 0)
 748                                goto out;
 749                        else { /* Unable to send NS cmd */
 750                                if (vport->gidft_inp)
 751                                        vport->gidft_inp--;
 752                        }
 753                }
 754                if (vport->fc_flag & FC_RSCN_MODE)
 755                        lpfc_els_flush_rscn(vport);
 756                lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 757                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
 758                                 "0257 GID_FT Query error: 0x%x 0x%x\n",
 759                                 irsp->ulpStatus, vport->fc_ns_retry);
 760        } else {
 761                /* Good status, continue checking */
 762                CTreq = (struct lpfc_sli_ct_request *) inp->virt;
 763                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 764                if (CTrsp->CommandResponse.bits.CmdRsp ==
 765                    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
 766                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 767                                         "0208 NameServer Rsp Data: x%x x%x "
 768                                         "x%x x%x sz x%x\n",
 769                                         vport->fc_flag,
 770                                         CTreq->un.gid.Fc4Type,
 771                                         vport->num_disc_nodes,
 772                                         vport->gidft_inp,
 773                                         irsp->un.genreq64.bdl.bdeSize);
 774
 775                        lpfc_ns_rsp(vport,
 776                                    outp,
 777                                    CTreq->un.gid.Fc4Type,
 778                                    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
 779                } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 780                           be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 781                        /* NameServer Rsp Error */
 782                        if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 783                            && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 784                                lpfc_printf_vlog(vport, KERN_INFO,
 785                                        LOG_DISCOVERY,
 786                                        "0269 No NameServer Entries "
 787                                        "Data: x%x x%x x%x x%x\n",
 788                                        CTrsp->CommandResponse.bits.CmdRsp,
 789                                        (uint32_t) CTrsp->ReasonCode,
 790                                        (uint32_t) CTrsp->Explanation,
 791                                        vport->fc_flag);
 792
 793                                lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 794                                "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
 795                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 796                                (uint32_t) CTrsp->ReasonCode,
 797                                (uint32_t) CTrsp->Explanation);
 798                        } else {
 799                                lpfc_printf_vlog(vport, KERN_INFO,
 800                                        LOG_DISCOVERY,
 801                                        "0240 NameServer Rsp Error "
 802                                        "Data: x%x x%x x%x x%x\n",
 803                                        CTrsp->CommandResponse.bits.CmdRsp,
 804                                        (uint32_t) CTrsp->ReasonCode,
 805                                        (uint32_t) CTrsp->Explanation,
 806                                        vport->fc_flag);
 807
 808                                lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 809                                "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
 810                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 811                                (uint32_t) CTrsp->ReasonCode,
 812                                (uint32_t) CTrsp->Explanation);
 813                        }
 814
 815
 816                } else {
 817                        /* NameServer Rsp Error */
 818                        lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
 819                                        "0241 NameServer Rsp Error "
 820                                        "Data: x%x x%x x%x x%x\n",
 821                                        CTrsp->CommandResponse.bits.CmdRsp,
 822                                        (uint32_t) CTrsp->ReasonCode,
 823                                        (uint32_t) CTrsp->Explanation,
 824                                        vport->fc_flag);
 825
 826                        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 827                                "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
 828                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 829                                (uint32_t) CTrsp->ReasonCode,
 830                                (uint32_t) CTrsp->Explanation);
 831                }
 832                if (vport->gidft_inp)
 833                        vport->gidft_inp--;
 834        }
 835
 836        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 837                         "4216 GID_FT cmpl inp %d disc %d\n",
 838                         vport->gidft_inp, vport->num_disc_nodes);
 839
 840        /* Link up / RSCN discovery */
 841        if ((vport->num_disc_nodes == 0) &&
 842            (vport->gidft_inp == 0)) {
 843                /*
 844                 * The driver has cycled through all Nports in the RSCN payload.
 845                 * Complete the handling by cleaning up and marking the
 846                 * current driver state.
 847                 */
 848                if (vport->port_state >= LPFC_DISC_AUTH) {
 849                        if (vport->fc_flag & FC_RSCN_MODE) {
 850                                lpfc_els_flush_rscn(vport);
 851                                spin_lock_irq(shost->host_lock);
 852                                vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 853                                spin_unlock_irq(shost->host_lock);
 854                        }
 855                        else
 856                                lpfc_els_flush_rscn(vport);
 857                }
 858
 859                lpfc_disc_start(vport);
 860        }
 861out:
 862        cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 863        lpfc_ct_free_iocb(phba, cmdiocb);
 864        return;
 865}
 866
 867static void
 868lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 869                        struct lpfc_iocbq *rspiocb)
 870{
 871        struct lpfc_vport *vport = cmdiocb->vport;
 872        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 873        IOCB_t *irsp;
 874        struct lpfc_dmabuf *outp;
 875        struct lpfc_dmabuf *inp;
 876        struct lpfc_sli_ct_request *CTrsp;
 877        struct lpfc_sli_ct_request *CTreq;
 878        struct lpfc_nodelist *ndlp;
 879        int rc;
 880
 881        /* First save ndlp, before we overwrite it */
 882        ndlp = cmdiocb->context_un.ndlp;
 883
 884        /* we pass cmdiocb to state machine which needs rspiocb as well */
 885        cmdiocb->context_un.rsp_iocb = rspiocb;
 886        inp = (struct lpfc_dmabuf *)cmdiocb->context1;
 887        outp = (struct lpfc_dmabuf *)cmdiocb->context2;
 888        irsp = &rspiocb->iocb;
 889
 890        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 891                              "GID_PT cmpl:     status:x%x/x%x rtry:%d",
 892                              irsp->ulpStatus, irsp->un.ulpWord[4],
 893                              vport->fc_ns_retry);
 894
 895        /* Don't bother processing response if vport is being torn down. */
 896        if (vport->load_flag & FC_UNLOADING) {
 897                if (vport->fc_flag & FC_RSCN_MODE)
 898                        lpfc_els_flush_rscn(vport);
 899                goto out;
 900        }
 901
 902        if (lpfc_els_chk_latt(vport)) {
 903                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 904                                 "4108 Link event during NS query\n");
 905                if (vport->fc_flag & FC_RSCN_MODE)
 906                        lpfc_els_flush_rscn(vport);
 907                lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 908                goto out;
 909        }
 910        if (lpfc_error_lost_link(irsp)) {
 911                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 912                                 "4166 NS query failed due to link event\n");
 913                if (vport->fc_flag & FC_RSCN_MODE)
 914                        lpfc_els_flush_rscn(vport);
 915                goto out;
 916        }
 917
 918        spin_lock_irq(shost->host_lock);
 919        if (vport->fc_flag & FC_RSCN_DEFERRED) {
 920                vport->fc_flag &= ~FC_RSCN_DEFERRED;
 921                spin_unlock_irq(shost->host_lock);
 922
 923                /* This is a GID_PT completing so the gidft_inp counter was
 924                 * incremented before the GID_PT was issued to the wire.
 925                 */
 926                if (vport->gidft_inp)
 927                        vport->gidft_inp--;
 928
 929                /*
 930                 * Skip processing the NS response
 931                 * Re-issue the NS cmd
 932                 */
 933                lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 934                                 "4167 Process Deferred RSCN Data: x%x x%x\n",
 935                                 vport->fc_flag, vport->fc_rscn_id_cnt);
 936                lpfc_els_handle_rscn(vport);
 937
 938                goto out;
 939        }
 940        spin_unlock_irq(shost->host_lock);
 941
 942        if (irsp->ulpStatus) {
 943                /* Check for retry */
 944                if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 945                        if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
 946                            (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
 947                            IOERR_NO_RESOURCES)
 948                                vport->fc_ns_retry++;
 949
 950                        /* CT command is being retried */
 951                        rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
 952                                         vport->fc_ns_retry, GID_PT_N_PORT);
 953                        if (rc == 0)
 954                                goto out;
 955                        else { /* Unable to send NS cmd */
 956                                if (vport->gidft_inp)
 957                                        vport->gidft_inp--;
 958                        }
 959                }
 960                if (vport->fc_flag & FC_RSCN_MODE)
 961                        lpfc_els_flush_rscn(vport);
 962                lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 963                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
 964                                 "4103 GID_FT Query error: 0x%x 0x%x\n",
 965                                 irsp->ulpStatus, vport->fc_ns_retry);
 966        } else {
 967                /* Good status, continue checking */
 968                CTreq = (struct lpfc_sli_ct_request *)inp->virt;
 969                CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
 970                if (CTrsp->CommandResponse.bits.CmdRsp ==
 971                    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
 972                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 973                                         "4105 NameServer Rsp Data: x%x x%x "
 974                                         "x%x x%x sz x%x\n",
 975                                         vport->fc_flag,
 976                                         CTreq->un.gid.Fc4Type,
 977                                         vport->num_disc_nodes,
 978                                         vport->gidft_inp,
 979                                         irsp->un.genreq64.bdl.bdeSize);
 980
 981                        lpfc_ns_rsp(vport,
 982                                    outp,
 983                                    CTreq->un.gid.Fc4Type,
 984                                    (uint32_t)(irsp->un.genreq64.bdl.bdeSize));
 985                } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 986                           be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 987                        /* NameServer Rsp Error */
 988                        if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 989                            && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 990                                lpfc_printf_vlog(
 991                                        vport, KERN_INFO, LOG_DISCOVERY,
 992                                        "4106 No NameServer Entries "
 993                                        "Data: x%x x%x x%x x%x\n",
 994                                        CTrsp->CommandResponse.bits.CmdRsp,
 995                                        (uint32_t)CTrsp->ReasonCode,
 996                                        (uint32_t)CTrsp->Explanation,
 997                                        vport->fc_flag);
 998
 999                                lpfc_debugfs_disc_trc(
1000                                vport, LPFC_DISC_TRC_CT,
1001                                "GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
1002                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1003                                (uint32_t)CTrsp->ReasonCode,
1004                                (uint32_t)CTrsp->Explanation);
1005                        } else {
1006                                lpfc_printf_vlog(
1007                                        vport, KERN_INFO, LOG_DISCOVERY,
1008                                        "4107 NameServer Rsp Error "
1009                                        "Data: x%x x%x x%x x%x\n",
1010                                        CTrsp->CommandResponse.bits.CmdRsp,
1011                                        (uint32_t)CTrsp->ReasonCode,
1012                                        (uint32_t)CTrsp->Explanation,
1013                                        vport->fc_flag);
1014
1015                                lpfc_debugfs_disc_trc(
1016                                vport, LPFC_DISC_TRC_CT,
1017                                "GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1018                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1019                                (uint32_t)CTrsp->ReasonCode,
1020                                (uint32_t)CTrsp->Explanation);
1021                        }
1022                } else {
1023                        /* NameServer Rsp Error */
1024                        lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1025                                         "4109 NameServer Rsp Error "
1026                                         "Data: x%x x%x x%x x%x\n",
1027                                         CTrsp->CommandResponse.bits.CmdRsp,
1028                                         (uint32_t)CTrsp->ReasonCode,
1029                                         (uint32_t)CTrsp->Explanation,
1030                                         vport->fc_flag);
1031
1032                        lpfc_debugfs_disc_trc(
1033                                vport, LPFC_DISC_TRC_CT,
1034                                "GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1035                                (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1036                                (uint32_t)CTrsp->ReasonCode,
1037                                (uint32_t)CTrsp->Explanation);
1038                }
1039                if (vport->gidft_inp)
1040                        vport->gidft_inp--;
1041        }
1042
1043        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1044                         "6450 GID_PT cmpl inp %d disc %d\n",
1045                         vport->gidft_inp, vport->num_disc_nodes);
1046
1047        /* Link up / RSCN discovery */
1048        if ((vport->num_disc_nodes == 0) &&
1049            (vport->gidft_inp == 0)) {
1050                /*
1051                 * The driver has cycled through all Nports in the RSCN payload.
1052                 * Complete the handling by cleaning up and marking the
1053                 * current driver state.
1054                 */
1055                if (vport->port_state >= LPFC_DISC_AUTH) {
1056                        if (vport->fc_flag & FC_RSCN_MODE) {
1057                                lpfc_els_flush_rscn(vport);
1058                                spin_lock_irq(shost->host_lock);
1059                                vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1060                                spin_unlock_irq(shost->host_lock);
1061                        } else {
1062                                lpfc_els_flush_rscn(vport);
1063                        }
1064                }
1065
1066                lpfc_disc_start(vport);
1067        }
1068out:
1069        cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1070        lpfc_ct_free_iocb(phba, cmdiocb);
1071}
1072
1073static void
1074lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1075                        struct lpfc_iocbq *rspiocb)
1076{
1077        struct lpfc_vport *vport = cmdiocb->vport;
1078        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1079        IOCB_t *irsp = &rspiocb->iocb;
1080        struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1081        struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1082        struct lpfc_sli_ct_request *CTrsp;
1083        int did, rc, retry;
1084        uint8_t fbits;
1085        struct lpfc_nodelist *ndlp;
1086
1087        did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1088        did = be32_to_cpu(did);
1089
1090        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1091                "GFF_ID cmpl:     status:x%x/x%x did:x%x",
1092                irsp->ulpStatus, irsp->un.ulpWord[4], did);
1093
1094        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1095                /* Good status, continue checking */
1096                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1097                fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1098
1099                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1100                                 "6431 Process GFF_ID rsp for %08x "
1101                                 "fbits %02x %s %s\n",
1102                                 did, fbits,
1103                                 (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1104                                 (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1105
1106                if (CTrsp->CommandResponse.bits.CmdRsp ==
1107                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
1108                        if ((fbits & FC4_FEATURE_INIT) &&
1109                            !(fbits & FC4_FEATURE_TARGET)) {
1110                                lpfc_printf_vlog(vport, KERN_INFO,
1111                                                 LOG_DISCOVERY,
1112                                                 "0270 Skip x%x GFF "
1113                                                 "NameServer Rsp Data: (init) "
1114                                                 "x%x x%x\n", did, fbits,
1115                                                 vport->fc_rscn_id_cnt);
1116                                goto out;
1117                        }
1118                }
1119        }
1120        else {
1121                /* Check for retry */
1122                if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1123                        retry = 1;
1124                        if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1125                                switch ((irsp->un.ulpWord[4] &
1126                                        IOERR_PARAM_MASK)) {
1127
1128                                case IOERR_NO_RESOURCES:
1129                                        /* We don't increment the retry
1130                                         * count for this case.
1131                                         */
1132                                        break;
1133                                case IOERR_LINK_DOWN:
1134                                case IOERR_SLI_ABORTED:
1135                                case IOERR_SLI_DOWN:
1136                                        retry = 0;
1137                                        break;
1138                                default:
1139                                        cmdiocb->retry++;
1140                                }
1141                        }
1142                        else
1143                                cmdiocb->retry++;
1144
1145                        if (retry) {
1146                                /* CT command is being retried */
1147                                rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1148                                         cmdiocb->retry, did);
1149                                if (rc == 0) {
1150                                        /* success */
1151                                        lpfc_ct_free_iocb(phba, cmdiocb);
1152                                        return;
1153                                }
1154                        }
1155                }
1156                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1157                                 "0267 NameServer GFF Rsp "
1158                                 "x%x Error (%d %d) Data: x%x x%x\n",
1159                                 did, irsp->ulpStatus, irsp->un.ulpWord[4],
1160                                 vport->fc_flag, vport->fc_rscn_id_cnt);
1161        }
1162
1163        /* This is a target port, unregistered port, or the GFF_ID failed */
1164        ndlp = lpfc_setup_disc_node(vport, did);
1165        if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1166                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1167                                 "0242 Process x%x GFF "
1168                                 "NameServer Rsp Data: x%x x%x x%x\n",
1169                                 did, ndlp->nlp_flag, vport->fc_flag,
1170                                 vport->fc_rscn_id_cnt);
1171        } else {
1172                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1173                                 "0243 Skip x%x GFF "
1174                                 "NameServer Rsp Data: x%x x%x\n", did,
1175                                 vport->fc_flag, vport->fc_rscn_id_cnt);
1176        }
1177out:
1178        /* Link up / RSCN discovery */
1179        if (vport->num_disc_nodes)
1180                vport->num_disc_nodes--;
1181
1182        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1183                         "6451 GFF_ID cmpl inp %d disc %d\n",
1184                         vport->gidft_inp, vport->num_disc_nodes);
1185
1186        if (vport->num_disc_nodes == 0) {
1187                /*
1188                 * The driver has cycled through all Nports in the RSCN payload.
1189                 * Complete the handling by cleaning up and marking the
1190                 * current driver state.
1191                 */
1192                if (vport->port_state >= LPFC_DISC_AUTH) {
1193                        if (vport->fc_flag & FC_RSCN_MODE) {
1194                                lpfc_els_flush_rscn(vport);
1195                                spin_lock_irq(shost->host_lock);
1196                                vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1197                                spin_unlock_irq(shost->host_lock);
1198                        }
1199                        else
1200                                lpfc_els_flush_rscn(vport);
1201                }
1202                lpfc_disc_start(vport);
1203        }
1204        lpfc_ct_free_iocb(phba, cmdiocb);
1205        return;
1206}
1207
1208static void
1209lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1210                                struct lpfc_iocbq *rspiocb)
1211{
1212        struct lpfc_vport *vport = cmdiocb->vport;
1213        IOCB_t *irsp = &rspiocb->iocb;
1214        struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
1215        struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
1216        struct lpfc_sli_ct_request *CTrsp;
1217        int did;
1218        struct lpfc_nodelist *ndlp;
1219        uint32_t fc4_data_0, fc4_data_1;
1220
1221        did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1222        did = be32_to_cpu(did);
1223
1224        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1225                              "GFT_ID cmpl: status:x%x/x%x did:x%x",
1226                              irsp->ulpStatus, irsp->un.ulpWord[4], did);
1227
1228        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1229                /* Good status, continue checking */
1230                CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1231                fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1232                fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1233
1234                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1235                                 "6432 Process GFT_ID rsp for %08x "
1236                                 "Data %08x %08x %s %s\n",
1237                                 did, fc4_data_0, fc4_data_1,
1238                                 (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1239                                  "FCP" : " ",
1240                                 (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1241                                  "NVME" : " ");
1242
1243                ndlp = lpfc_findnode_did(vport, did);
1244                if (ndlp) {
1245                        /* The bitmask value for FCP and NVME FCP types is
1246                         * the same because they are 32 bits distant from
1247                         * each other in word0 and word0.
1248                         */
1249                        if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1250                                ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1251                        if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1252                                ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1253                        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1254                                         "3064 Setting ndlp x%px, DID x%06x "
1255                                         "with FC4 x%08x, Data: x%08x x%08x "
1256                                         "%d\n",
1257                                         ndlp, did, ndlp->nlp_fc4_type,
1258                                         FC_TYPE_FCP, FC_TYPE_NVME,
1259                                         ndlp->nlp_state);
1260
1261                        if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1262                            ndlp->nlp_fc4_type) {
1263                                ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1264
1265                                lpfc_nlp_set_state(vport, ndlp,
1266                                                   NLP_STE_PRLI_ISSUE);
1267                                lpfc_issue_els_prli(vport, ndlp, 0);
1268                        } else if (!ndlp->nlp_fc4_type) {
1269                                /* If fc4 type is still unknown, then LOGO */
1270                                lpfc_printf_vlog(vport, KERN_INFO,
1271                                                 LOG_DISCOVERY,
1272                                                 "6443 Sending LOGO ndlp x%px,"
1273                                                 "DID x%06x with fc4_type: "
1274                                                 "x%08x, state: %d\n",
1275                                                 ndlp, did, ndlp->nlp_fc4_type,
1276                                                 ndlp->nlp_state);
1277                                lpfc_issue_els_logo(vport, ndlp, 0);
1278                                ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1279                                lpfc_nlp_set_state(vport, ndlp,
1280                                                   NLP_STE_NPR_NODE);
1281                        }
1282                }
1283        } else
1284                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1285                                 "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
1286
1287        lpfc_ct_free_iocb(phba, cmdiocb);
1288}
1289
1290static void
1291lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1292             struct lpfc_iocbq *rspiocb)
1293{
1294        struct lpfc_vport *vport = cmdiocb->vport;
1295        struct lpfc_dmabuf *inp;
1296        struct lpfc_dmabuf *outp;
1297        IOCB_t *irsp;
1298        struct lpfc_sli_ct_request *CTrsp;
1299        struct lpfc_nodelist *ndlp;
1300        int cmdcode, rc;
1301        uint8_t retry;
1302        uint32_t latt;
1303
1304        /* First save ndlp, before we overwrite it */
1305        ndlp = cmdiocb->context_un.ndlp;
1306
1307        /* we pass cmdiocb to state machine which needs rspiocb as well */
1308        cmdiocb->context_un.rsp_iocb = rspiocb;
1309
1310        inp = (struct lpfc_dmabuf *) cmdiocb->context1;
1311        outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1312        irsp = &rspiocb->iocb;
1313
1314        cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1315                                        CommandResponse.bits.CmdRsp);
1316        CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1317
1318        latt = lpfc_els_chk_latt(vport);
1319
1320        /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
1321        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1322                         "0209 CT Request completes, latt %d, "
1323                         "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1324                         latt, irsp->ulpStatus,
1325                         CTrsp->CommandResponse.bits.CmdRsp,
1326                         cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
1327
1328        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1329                "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1330                irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
1331
1332        if (irsp->ulpStatus) {
1333                lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1334                                 "0268 NS cmd x%x Error (x%x x%x)\n",
1335                                 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
1336
1337                if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1338                        (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1339                          IOERR_SLI_DOWN) ||
1340                         ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
1341                          IOERR_SLI_ABORTED)))
1342                        goto out;
1343
1344                retry = cmdiocb->retry;
1345                if (retry >= LPFC_MAX_NS_RETRY)
1346                        goto out;
1347
1348                retry++;
1349                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1350                                 "0250 Retrying NS cmd %x\n", cmdcode);
1351                rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1352                if (rc == 0)
1353                        goto out;
1354        }
1355
1356out:
1357        cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
1358        lpfc_ct_free_iocb(phba, cmdiocb);
1359        return;
1360}
1361
1362static void
1363lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1364                        struct lpfc_iocbq *rspiocb)
1365{
1366        IOCB_t *irsp = &rspiocb->iocb;
1367        struct lpfc_vport *vport = cmdiocb->vport;
1368
1369        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1370                struct lpfc_dmabuf *outp;
1371                struct lpfc_sli_ct_request *CTrsp;
1372
1373                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1374                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1375                if (CTrsp->CommandResponse.bits.CmdRsp ==
1376                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1377                        vport->ct_flags |= FC_CT_RFT_ID;
1378        }
1379        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1380        return;
1381}
1382
1383static void
1384lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1385                        struct lpfc_iocbq *rspiocb)
1386{
1387        IOCB_t *irsp = &rspiocb->iocb;
1388        struct lpfc_vport *vport = cmdiocb->vport;
1389
1390        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1391                struct lpfc_dmabuf *outp;
1392                struct lpfc_sli_ct_request *CTrsp;
1393
1394                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1395                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1396                if (CTrsp->CommandResponse.bits.CmdRsp ==
1397                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1398                        vport->ct_flags |= FC_CT_RNN_ID;
1399        }
1400        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1401        return;
1402}
1403
1404static void
1405lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1406                         struct lpfc_iocbq *rspiocb)
1407{
1408        IOCB_t *irsp = &rspiocb->iocb;
1409        struct lpfc_vport *vport = cmdiocb->vport;
1410
1411        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1412                struct lpfc_dmabuf *outp;
1413                struct lpfc_sli_ct_request *CTrsp;
1414
1415                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1416                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1417                if (CTrsp->CommandResponse.bits.CmdRsp ==
1418                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1419                        vport->ct_flags |= FC_CT_RSPN_ID;
1420        }
1421        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1422        return;
1423}
1424
1425static void
1426lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1427                         struct lpfc_iocbq *rspiocb)
1428{
1429        IOCB_t *irsp = &rspiocb->iocb;
1430        struct lpfc_vport *vport = cmdiocb->vport;
1431
1432        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1433                struct lpfc_dmabuf *outp;
1434                struct lpfc_sli_ct_request *CTrsp;
1435
1436                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1437                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1438                if (CTrsp->CommandResponse.bits.CmdRsp ==
1439                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1440                        vport->ct_flags |= FC_CT_RSNN_NN;
1441        }
1442        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1443        return;
1444}
1445
1446static void
1447lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1448 struct lpfc_iocbq *rspiocb)
1449{
1450        struct lpfc_vport *vport = cmdiocb->vport;
1451
1452        /* even if it fails we will act as though it succeeded. */
1453        vport->ct_flags = 0;
1454        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1455        return;
1456}
1457
1458static void
1459lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1460                        struct lpfc_iocbq *rspiocb)
1461{
1462        IOCB_t *irsp = &rspiocb->iocb;
1463        struct lpfc_vport *vport = cmdiocb->vport;
1464
1465        if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1466                struct lpfc_dmabuf *outp;
1467                struct lpfc_sli_ct_request *CTrsp;
1468
1469                outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1470                CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1471                if (CTrsp->CommandResponse.bits.CmdRsp ==
1472                    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1473                        vport->ct_flags |= FC_CT_RFF_ID;
1474        }
1475        lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1476        return;
1477}
1478
1479/*
1480 * Although the symbolic port name is thought to be an integer
1481 * as of January 18, 2016, leave it as a string until more of
1482 * the record state becomes defined.
1483 */
1484int
1485lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1486        size_t size)
1487{
1488        int n;
1489
1490        /*
1491         * Use the lpfc board number as the Symbolic Port
1492         * Name object.  NPIV is not in play so this integer
1493         * value is sufficient and unique per FC-ID.
1494         */
1495        n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1496        return n;
1497}
1498
1499
1500int
1501lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1502        size_t size)
1503{
1504        char fwrev[FW_REV_STR_SIZE] = {0};
1505        char tmp[MAXHOSTNAMELEN] = {0};
1506
1507        memset(symbol, 0, size);
1508
1509        scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1510        if (strlcat(symbol, tmp, size) >= size)
1511                goto buffer_done;
1512
1513        lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1514        scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1515        if (strlcat(symbol, tmp, size) >= size)
1516                goto buffer_done;
1517
1518        scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1519        if (strlcat(symbol, tmp, size) >= size)
1520                goto buffer_done;
1521
1522        scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1523        if (strlcat(symbol, tmp, size) >= size)
1524                goto buffer_done;
1525
1526        /* Note :- OS name is "Linux" */
1527        scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1528        strlcat(symbol, tmp, size);
1529
1530buffer_done:
1531        return strnlen(symbol, size);
1532
1533}
1534
1535static uint32_t
1536lpfc_find_map_node(struct lpfc_vport *vport)
1537{
1538        struct lpfc_nodelist *ndlp, *next_ndlp;
1539        struct Scsi_Host  *shost;
1540        uint32_t cnt = 0;
1541
1542        shost = lpfc_shost_from_vport(vport);
1543        spin_lock_irq(shost->host_lock);
1544        list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1545                if (ndlp->nlp_type & NLP_FABRIC)
1546                        continue;
1547                if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1548                    (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1549                        cnt++;
1550        }
1551        spin_unlock_irq(shost->host_lock);
1552        return cnt;
1553}
1554
1555/*
1556 * This routine will return the FC4 Type associated with the CT
1557 * GID_FT command.
1558 */
1559int
1560lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1561{
1562        struct lpfc_sli_ct_request *CtReq;
1563        struct lpfc_dmabuf *mp;
1564        uint32_t type;
1565
1566        mp = cmdiocb->context1;
1567        if (mp == NULL)
1568                return 0;
1569        CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1570        type = (uint32_t)CtReq->un.gid.Fc4Type;
1571        if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1572                return 0;
1573        return type;
1574}
1575
1576/*
1577 * lpfc_ns_cmd
1578 * Description:
1579 *    Issue Cmd to NameServer
1580 *       SLI_CTNS_GID_FT
1581 *       LI_CTNS_RFT_ID
1582 */
1583int
1584lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1585            uint8_t retry, uint32_t context)
1586{
1587        struct lpfc_nodelist * ndlp;
1588        struct lpfc_hba *phba = vport->phba;
1589        struct lpfc_dmabuf *mp, *bmp;
1590        struct lpfc_sli_ct_request *CtReq;
1591        struct ulp_bde64 *bpl;
1592        void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1593                      struct lpfc_iocbq *) = NULL;
1594        uint32_t *ptr;
1595        uint32_t rsp_size = 1024;
1596        size_t   size;
1597        int rc = 0;
1598
1599        ndlp = lpfc_findnode_did(vport, NameServer_DID);
1600        if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1601            || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1602                rc=1;
1603                goto ns_cmd_exit;
1604        }
1605
1606        /* fill in BDEs for command */
1607        /* Allocate buffer for command payload */
1608        mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1609        if (!mp) {
1610                rc=2;
1611                goto ns_cmd_exit;
1612        }
1613
1614        INIT_LIST_HEAD(&mp->list);
1615        mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1616        if (!mp->virt) {
1617                rc=3;
1618                goto ns_cmd_free_mp;
1619        }
1620
1621        /* Allocate buffer for Buffer ptr list */
1622        bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1623        if (!bmp) {
1624                rc=4;
1625                goto ns_cmd_free_mpvirt;
1626        }
1627
1628        INIT_LIST_HEAD(&bmp->list);
1629        bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1630        if (!bmp->virt) {
1631                rc=5;
1632                goto ns_cmd_free_bmp;
1633        }
1634
1635        /* NameServer Req */
1636        lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1637                         "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1638                         cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1639                         context);
1640
1641        bpl = (struct ulp_bde64 *) bmp->virt;
1642        memset(bpl, 0, sizeof(struct ulp_bde64));
1643        bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1644        bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1645        bpl->tus.f.bdeFlags = 0;
1646        if (cmdcode == SLI_CTNS_GID_FT)
1647                bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1648        else if (cmdcode == SLI_CTNS_GID_PT)
1649                bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1650        else if (cmdcode == SLI_CTNS_GFF_ID)
1651                bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1652        else if (cmdcode == SLI_CTNS_GFT_ID)
1653                bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1654        else if (cmdcode == SLI_CTNS_RFT_ID)
1655                bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1656        else if (cmdcode == SLI_CTNS_RNN_ID)
1657                bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1658        else if (cmdcode == SLI_CTNS_RSPN_ID)
1659                bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1660        else if (cmdcode == SLI_CTNS_RSNN_NN)
1661                bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1662        else if (cmdcode == SLI_CTNS_DA_ID)
1663                bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1664        else if (cmdcode == SLI_CTNS_RFF_ID)
1665                bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1666        else
1667                bpl->tus.f.bdeSize = 0;
1668        bpl->tus.w = le32_to_cpu(bpl->tus.w);
1669
1670        CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1671        memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1672        CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1673        CtReq->RevisionId.bits.InId = 0;
1674        CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1675        CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1676        CtReq->CommandResponse.bits.Size = 0;
1677        switch (cmdcode) {
1678        case SLI_CTNS_GID_FT:
1679                CtReq->CommandResponse.bits.CmdRsp =
1680                    cpu_to_be16(SLI_CTNS_GID_FT);
1681                CtReq->un.gid.Fc4Type = context;
1682
1683                if (vport->port_state < LPFC_NS_QRY)
1684                        vport->port_state = LPFC_NS_QRY;
1685                lpfc_set_disctmo(vport);
1686                cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1687                rsp_size = FC_MAX_NS_RSP;
1688                break;
1689
1690        case SLI_CTNS_GID_PT:
1691                CtReq->CommandResponse.bits.CmdRsp =
1692                    cpu_to_be16(SLI_CTNS_GID_PT);
1693                CtReq->un.gid.PortType = context;
1694
1695                if (vport->port_state < LPFC_NS_QRY)
1696                        vport->port_state = LPFC_NS_QRY;
1697                lpfc_set_disctmo(vport);
1698                cmpl = lpfc_cmpl_ct_cmd_gid_pt;
1699                rsp_size = FC_MAX_NS_RSP;
1700                break;
1701
1702        case SLI_CTNS_GFF_ID:
1703                CtReq->CommandResponse.bits.CmdRsp =
1704                        cpu_to_be16(SLI_CTNS_GFF_ID);
1705                CtReq->un.gff.PortId = cpu_to_be32(context);
1706                cmpl = lpfc_cmpl_ct_cmd_gff_id;
1707                break;
1708
1709        case SLI_CTNS_GFT_ID:
1710                CtReq->CommandResponse.bits.CmdRsp =
1711                        cpu_to_be16(SLI_CTNS_GFT_ID);
1712                CtReq->un.gft.PortId = cpu_to_be32(context);
1713                cmpl = lpfc_cmpl_ct_cmd_gft_id;
1714                break;
1715
1716        case SLI_CTNS_RFT_ID:
1717                vport->ct_flags &= ~FC_CT_RFT_ID;
1718                CtReq->CommandResponse.bits.CmdRsp =
1719                    cpu_to_be16(SLI_CTNS_RFT_ID);
1720                CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1721
1722                /* Register FC4 FCP type if enabled.  */
1723                if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
1724                    vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
1725                        CtReq->un.rft.fcpReg = 1;
1726
1727                /* Register NVME type if enabled.  Defined LE and swapped.
1728                 * rsvd[0] is used as word1 because of the hard-coded
1729                 * word0 usage in the ct_request data structure.
1730                 */
1731                if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
1732                    vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
1733                        CtReq->un.rft.rsvd[0] =
1734                                cpu_to_be32(LPFC_FC4_TYPE_BITMASK);
1735
1736                ptr = (uint32_t *)CtReq;
1737                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1738                                 "6433 Issue RFT (%s %s): %08x %08x %08x %08x "
1739                                 "%08x %08x %08x %08x\n",
1740                                 CtReq->un.rft.fcpReg ? "FCP" : " ",
1741                                 CtReq->un.rft.rsvd[0] ? "NVME" : " ",
1742                                 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
1743                                 *(ptr + 4), *(ptr + 5),
1744                                 *(ptr + 6), *(ptr + 7));
1745                cmpl = lpfc_cmpl_ct_cmd_rft_id;
1746                break;
1747
1748        case SLI_CTNS_RNN_ID:
1749                vport->ct_flags &= ~FC_CT_RNN_ID;
1750                CtReq->CommandResponse.bits.CmdRsp =
1751                    cpu_to_be16(SLI_CTNS_RNN_ID);
1752                CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1753                memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1754                       sizeof(struct lpfc_name));
1755                cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1756                break;
1757
1758        case SLI_CTNS_RSPN_ID:
1759                vport->ct_flags &= ~FC_CT_RSPN_ID;
1760                CtReq->CommandResponse.bits.CmdRsp =
1761                    cpu_to_be16(SLI_CTNS_RSPN_ID);
1762                CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1763                size = sizeof(CtReq->un.rspn.symbname);
1764                CtReq->un.rspn.len =
1765                        lpfc_vport_symbolic_port_name(vport,
1766                        CtReq->un.rspn.symbname, size);
1767                cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1768                break;
1769        case SLI_CTNS_RSNN_NN:
1770                vport->ct_flags &= ~FC_CT_RSNN_NN;
1771                CtReq->CommandResponse.bits.CmdRsp =
1772                    cpu_to_be16(SLI_CTNS_RSNN_NN);
1773                memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1774                       sizeof(struct lpfc_name));
1775                size = sizeof(CtReq->un.rsnn.symbname);
1776                CtReq->un.rsnn.len =
1777                        lpfc_vport_symbolic_node_name(vport,
1778                        CtReq->un.rsnn.symbname, size);
1779                cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1780                break;
1781        case SLI_CTNS_DA_ID:
1782                /* Implement DA_ID Nameserver request */
1783                CtReq->CommandResponse.bits.CmdRsp =
1784                        cpu_to_be16(SLI_CTNS_DA_ID);
1785                CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1786                cmpl = lpfc_cmpl_ct_cmd_da_id;
1787                break;
1788        case SLI_CTNS_RFF_ID:
1789                vport->ct_flags &= ~FC_CT_RFF_ID;
1790                CtReq->CommandResponse.bits.CmdRsp =
1791                    cpu_to_be16(SLI_CTNS_RFF_ID);
1792                CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1793                CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1794
1795                /* The driver always supports FC_TYPE_FCP.  However, the
1796                 * caller can specify NVME (type x28) as well.  But only
1797                 * these that FC4 type is supported.
1798                 */
1799                if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1800                     (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
1801                    (context == FC_TYPE_NVME)) {
1802                        if ((vport == phba->pport) && phba->nvmet_support) {
1803                                CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
1804                                        FC4_FEATURE_NVME_DISC);
1805                                lpfc_nvmet_update_targetport(phba);
1806                        } else {
1807                                lpfc_nvme_update_localport(vport);
1808                        }
1809                        CtReq->un.rff.type_code = context;
1810
1811                } else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
1812                            (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
1813                           (context == FC_TYPE_FCP))
1814                        CtReq->un.rff.type_code = context;
1815
1816                else
1817                        goto ns_cmd_free_bmpvirt;
1818
1819                ptr = (uint32_t *)CtReq;
1820                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1821                                 "6434 Issue RFF (%s): %08x %08x %08x %08x "
1822                                 "%08x %08x %08x %08x\n",
1823                                 (context == FC_TYPE_NVME) ? "NVME" : "FCP",
1824                                 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
1825                                 *(ptr + 4), *(ptr + 5),
1826                                 *(ptr + 6), *(ptr + 7));
1827                cmpl = lpfc_cmpl_ct_cmd_rff_id;
1828                break;
1829        }
1830        /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1831         * to hold ndlp reference for the corresponding callback function.
1832         */
1833        if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1834                /* On success, The cmpl function will free the buffers */
1835                lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1836                        "Issue CT cmd:    cmd:x%x did:x%x",
1837                        cmdcode, ndlp->nlp_DID, 0);
1838                return 0;
1839        }
1840        rc=6;
1841
1842        /* Decrement ndlp reference count to release ndlp reference held
1843         * for the failed command's callback function.
1844         */
1845        lpfc_nlp_put(ndlp);
1846
1847ns_cmd_free_bmpvirt:
1848        lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1849ns_cmd_free_bmp:
1850        kfree(bmp);
1851ns_cmd_free_mpvirt:
1852        lpfc_mbuf_free(phba, mp->virt, mp->phys);
1853ns_cmd_free_mp:
1854        kfree(mp);
1855ns_cmd_exit:
1856        lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1857                         "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1858                         cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1859        return 1;
1860}
1861
1862/**
1863 * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
1864 * @phba: Pointer to HBA context object.
1865 * @cmdiocb: Pointer to the command IOCBQ.
1866 * @rspiocb: Pointer to the response IOCBQ.
1867 *
1868 * This function to handle the completion of a driver initiated FDMI
1869 * CT command issued during discovery.
1870 */
1871static void
1872lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1873                       struct lpfc_iocbq *rspiocb)
1874{
1875        struct lpfc_vport *vport = cmdiocb->vport;
1876        struct lpfc_dmabuf *inp = cmdiocb->context1;
1877        struct lpfc_dmabuf *outp = cmdiocb->context2;
1878        struct lpfc_sli_ct_request *CTcmd = inp->virt;
1879        struct lpfc_sli_ct_request *CTrsp = outp->virt;
1880        uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1881        uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1882        IOCB_t *irsp = &rspiocb->iocb;
1883        struct lpfc_nodelist *ndlp;
1884        uint32_t latt, cmd, err;
1885
1886        latt = lpfc_els_chk_latt(vport);
1887        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1888                "FDMI cmpl:       status:x%x/x%x latt:%d",
1889                irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1890
1891        if (latt || irsp->ulpStatus) {
1892
1893                /* Look for a retryable error */
1894                if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
1895                        switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) {
1896                        case IOERR_SLI_ABORTED:
1897                        case IOERR_SLI_DOWN:
1898                                /* Driver aborted this IO.  No retry as error
1899                                 * is likely Offline->Online or some adapter
1900                                 * error.  Recovery will try again.
1901                                 */
1902                                break;
1903                        case IOERR_ABORT_IN_PROGRESS:
1904                        case IOERR_SEQUENCE_TIMEOUT:
1905                        case IOERR_ILLEGAL_FRAME:
1906                        case IOERR_NO_RESOURCES:
1907                        case IOERR_ILLEGAL_COMMAND:
1908                                cmdiocb->retry++;
1909                                if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
1910                                        break;
1911
1912                                /* Retry the same FDMI command */
1913                                err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
1914                                                          cmdiocb, 0);
1915                                if (err == IOCB_ERROR)
1916                                        break;
1917                                return;
1918                        default:
1919                                break;
1920                        }
1921                }
1922
1923                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1924                                 "0229 FDMI cmd %04x failed, latt = %d "
1925                                 "ulpStatus: x%x, rid x%x\n",
1926                                 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1927                                 irsp->un.ulpWord[4]);
1928        }
1929        lpfc_ct_free_iocb(phba, cmdiocb);
1930
1931        ndlp = lpfc_findnode_did(vport, FDMI_DID);
1932        if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1933                return;
1934
1935        /* Check for a CT LS_RJT response */
1936        cmd =  be16_to_cpu(fdmi_cmd);
1937        if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
1938                /* FDMI rsp failed */
1939                lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1940                                 "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
1941
1942                /* Should we fallback to FDMI-2 / FDMI-1 ? */
1943                switch (cmd) {
1944                case SLI_MGMT_RHBA:
1945                        if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
1946                                /* Fallback to FDMI-1 */
1947                                vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1948                                vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1949                                /* Start over */
1950                                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1951                        }
1952                        return;
1953
1954                case SLI_MGMT_RPRT:
1955                        if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1956                                /* Fallback to FDMI-1 */
1957                                vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1958                                /* Start over */
1959                                lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1960                        }
1961                        if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1962                                vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1963                                /* Retry the same command */
1964                                lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1965                        }
1966                        return;
1967
1968                case SLI_MGMT_RPA:
1969                        if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
1970                                /* Fallback to FDMI-1 */
1971                                vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
1972                                vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
1973                                /* Start over */
1974                                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
1975                        }
1976                        if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
1977                                vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
1978                                /* Retry the same command */
1979                                lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
1980                        }
1981                        return;
1982                }
1983        }
1984
1985        /*
1986         * On success, need to cycle thru FDMI registration for discovery
1987         * DHBA -> DPRT -> RHBA -> RPA  (physical port)
1988         * DPRT -> RPRT (vports)
1989         */
1990        switch (cmd) {
1991        case SLI_MGMT_RHBA:
1992                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
1993                break;
1994
1995        case SLI_MGMT_DHBA:
1996                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
1997                break;
1998
1999        case SLI_MGMT_DPRT:
2000                if (vport->port_type == LPFC_PHYSICAL_PORT)
2001                        lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2002                else
2003                        lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2004                break;
2005        }
2006        return;
2007}
2008
2009
2010/**
2011 * lpfc_fdmi_change_check - Check for changed FDMI parameters
2012 * @vport: pointer to a host virtual N_Port data structure.
2013 *
2014 * Check how many mapped NPorts we are connected to
2015 * Check if our hostname changed
2016 * Called from hbeat timeout routine to check if any FDMI parameters
2017 * changed. If so, re-register those Attributes.
2018 */
2019void
2020lpfc_fdmi_change_check(struct lpfc_vport *vport)
2021{
2022        struct lpfc_hba *phba = vport->phba;
2023        struct lpfc_nodelist *ndlp;
2024        uint16_t cnt;
2025
2026        if (!lpfc_is_link_up(phba))
2027                return;
2028
2029        /* Must be connected to a Fabric */
2030        if (!(vport->fc_flag & FC_FABRIC))
2031                return;
2032
2033        ndlp = lpfc_findnode_did(vport, FDMI_DID);
2034        if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
2035                return;
2036
2037        /* Check if system hostname changed */
2038        if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2039                memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2040                scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2041                          init_utsname()->nodename);
2042                lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2043
2044                /* Since this effects multiple HBA and PORT attributes, we need
2045                 * de-register and go thru the whole FDMI registration cycle.
2046                 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2047                 * DPRT -> RPRT (vports)
2048                 */
2049                if (vport->port_type == LPFC_PHYSICAL_PORT)
2050                        lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2051                else
2052                        lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2053
2054                /* Since this code path registers all the port attributes
2055                 * we can just return without further checking.
2056                 */
2057                return;
2058        }
2059
2060        if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2061                return;
2062
2063        /* Check if the number of mapped NPorts changed */
2064        cnt = lpfc_find_map_node(vport);
2065        if (cnt == vport->fdmi_num_disc)
2066                return;
2067
2068        if (vport->port_type == LPFC_PHYSICAL_PORT) {
2069                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2070                              LPFC_FDMI_PORT_ATTR_num_disc);
2071        } else {
2072                lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2073                              LPFC_FDMI_PORT_ATTR_num_disc);
2074        }
2075}
2076
2077/* Routines for all individual HBA attributes */
2078static int
2079lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2080{
2081        struct lpfc_fdmi_attr_entry *ae;
2082        uint32_t size;
2083
2084        ae = &ad->AttrValue;
2085        memset(ae, 0, sizeof(*ae));
2086
2087        memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2088               sizeof(struct lpfc_name));
2089        size = FOURBYTES + sizeof(struct lpfc_name);
2090        ad->AttrLen = cpu_to_be16(size);
2091        ad->AttrType = cpu_to_be16(RHBA_NODENAME);
2092        return size;
2093}
2094static int
2095lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
2096                                struct lpfc_fdmi_attr_def *ad)
2097{
2098        struct lpfc_fdmi_attr_entry *ae;
2099        uint32_t len, size;
2100
2101        ae = &ad->AttrValue;
2102        memset(ae, 0, sizeof(*ae));
2103
2104        /* This string MUST be consistent with other FC platforms
2105         * supported by Broadcom.
2106         */
2107        strncpy(ae->un.AttrString,
2108                "Emulex Corporation",
2109                       sizeof(ae->un.AttrString));
2110        len = strnlen(ae->un.AttrString,
2111                          sizeof(ae->un.AttrString));
2112        len += (len & 3) ? (4 - (len & 3)) : 4;
2113        size = FOURBYTES + len;
2114        ad->AttrLen = cpu_to_be16(size);
2115        ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
2116        return size;
2117}
2118
2119static int
2120lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2121{
2122        struct lpfc_hba *phba = vport->phba;
2123        struct lpfc_fdmi_attr_entry *ae;
2124        uint32_t len, size;
2125
2126        ae = &ad->AttrValue;
2127        memset(ae, 0, sizeof(*ae));
2128
2129        strncpy(ae->un.AttrString, phba->SerialNumber,
2130                sizeof(ae->un.AttrString));
2131        len = strnlen(ae->un.AttrString,
2132                          sizeof(ae->un.AttrString));
2133        len += (len & 3) ? (4 - (len & 3)) : 4;
2134        size = FOURBYTES + len;
2135        ad->AttrLen = cpu_to_be16(size);
2136        ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
2137        return size;
2138}
2139
2140static int
2141lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
2142                         struct lpfc_fdmi_attr_def *ad)
2143{
2144        struct lpfc_hba *phba = vport->phba;
2145        struct lpfc_fdmi_attr_entry *ae;
2146        uint32_t len, size;
2147
2148        ae = &ad->AttrValue;
2149        memset(ae, 0, sizeof(*ae));
2150
2151        strncpy(ae->un.AttrString, phba->ModelName,
2152                sizeof(ae->un.AttrString));
2153        len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2154        len += (len & 3) ? (4 - (len & 3)) : 4;
2155        size = FOURBYTES + len;
2156        ad->AttrLen = cpu_to_be16(size);
2157        ad->AttrType = cpu_to_be16(RHBA_MODEL);
2158        return size;
2159}
2160
2161static int
2162lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
2163                               struct lpfc_fdmi_attr_def *ad)
2164{
2165        struct lpfc_hba *phba = vport->phba;
2166        struct lpfc_fdmi_attr_entry *ae;
2167        uint32_t len, size;
2168
2169        ae = &ad->AttrValue;
2170        memset(ae, 0, sizeof(*ae));
2171
2172        strncpy(ae->un.AttrString, phba->ModelDesc,
2173                sizeof(ae->un.AttrString));
2174        len = strnlen(ae->un.AttrString,
2175                                  sizeof(ae->un.AttrString));
2176        len += (len & 3) ? (4 - (len & 3)) : 4;
2177        size = FOURBYTES + len;
2178        ad->AttrLen = cpu_to_be16(size);
2179        ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
2180        return size;
2181}
2182
2183static int
2184lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
2185                           struct lpfc_fdmi_attr_def *ad)
2186{
2187        struct lpfc_hba *phba = vport->phba;
2188        lpfc_vpd_t *vp = &phba->vpd;
2189        struct lpfc_fdmi_attr_entry *ae;
2190        uint32_t i, j, incr, size;
2191
2192        ae = &ad->AttrValue;
2193        memset(ae, 0, sizeof(*ae));
2194
2195        /* Convert JEDEC ID to ascii for hardware version */
2196        incr = vp->rev.biuRev;
2197        for (i = 0; i < 8; i++) {
2198                j = (incr & 0xf);
2199                if (j <= 9)
2200                        ae->un.AttrString[7 - i] =
2201                            (char)((uint8_t) 0x30 +
2202                                   (uint8_t) j);
2203                else
2204                        ae->un.AttrString[7 - i] =
2205                            (char)((uint8_t) 0x61 +
2206                                   (uint8_t) (j - 10));
2207                incr = (incr >> 4);
2208        }
2209        size = FOURBYTES + 8;
2210        ad->AttrLen = cpu_to_be16(size);
2211        ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
2212        return size;
2213}
2214
2215static int
2216lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
2217                            struct lpfc_fdmi_attr_def *ad)
2218{
2219        struct lpfc_fdmi_attr_entry *ae;
2220        uint32_t len, size;
2221
2222        ae = &ad->AttrValue;
2223        memset(ae, 0, sizeof(*ae));
2224
2225        strncpy(ae->un.AttrString, lpfc_release_version,
2226                sizeof(ae->un.AttrString));
2227        len = strnlen(ae->un.AttrString,
2228                          sizeof(ae->un.AttrString));
2229        len += (len & 3) ? (4 - (len & 3)) : 4;
2230        size = FOURBYTES + len;
2231        ad->AttrLen = cpu_to_be16(size);
2232        ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
2233        return size;
2234}
2235
2236static int
2237lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
2238                           struct lpfc_fdmi_attr_def *ad)
2239{
2240        struct lpfc_hba *phba = vport->phba;
2241        struct lpfc_fdmi_attr_entry *ae;
2242        uint32_t len, size;
2243
2244        ae = &ad->AttrValue;
2245        memset(ae, 0, sizeof(*ae));
2246
2247        if (phba->sli_rev == LPFC_SLI_REV4)
2248                lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2249        else
2250                strncpy(ae->un.AttrString, phba->OptionROMVersion,
2251                        sizeof(ae->un.AttrString));
2252        len = strnlen(ae->un.AttrString,
2253                          sizeof(ae->un.AttrString));
2254        len += (len & 3) ? (4 - (len & 3)) : 4;
2255        size = FOURBYTES + len;
2256        ad->AttrLen = cpu_to_be16(size);
2257        ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
2258        return size;
2259}
2260
2261static int
2262lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
2263                           struct lpfc_fdmi_attr_def *ad)
2264{
2265        struct lpfc_hba *phba = vport->phba;
2266        struct lpfc_fdmi_attr_entry *ae;
2267        uint32_t len, size;
2268
2269        ae = &ad->AttrValue;
2270        memset(ae, 0, sizeof(*ae));
2271
2272        lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2273        len = strnlen(ae->un.AttrString,
2274                          sizeof(ae->un.AttrString));
2275        len += (len & 3) ? (4 - (len & 3)) : 4;
2276        size = FOURBYTES + len;
2277        ad->AttrLen = cpu_to_be16(size);
2278        ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
2279        return size;
2280}
2281
2282static int
2283lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
2284                          struct lpfc_fdmi_attr_def *ad)
2285{
2286        struct lpfc_fdmi_attr_entry *ae;
2287        uint32_t len, size;
2288
2289        ae = &ad->AttrValue;
2290        memset(ae, 0, sizeof(*ae));
2291
2292        snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
2293                 init_utsname()->sysname,
2294                 init_utsname()->release,
2295                 init_utsname()->version);
2296
2297        len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2298        len += (len & 3) ? (4 - (len & 3)) : 4;
2299        size = FOURBYTES + len;
2300        ad->AttrLen = cpu_to_be16(size);
2301        ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
2302        return size;
2303}
2304
2305static int
2306lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
2307                          struct lpfc_fdmi_attr_def *ad)
2308{
2309        struct lpfc_fdmi_attr_entry *ae;
2310        uint32_t size;
2311
2312        ae = &ad->AttrValue;
2313
2314        ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
2315        size = FOURBYTES + sizeof(uint32_t);
2316        ad->AttrLen = cpu_to_be16(size);
2317        ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
2318        return size;
2319}
2320
2321static int
2322lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
2323                                 struct lpfc_fdmi_attr_def *ad)
2324{
2325        struct lpfc_fdmi_attr_entry *ae;
2326        uint32_t len, size;
2327
2328        ae = &ad->AttrValue;
2329        memset(ae, 0, sizeof(*ae));
2330
2331        len = lpfc_vport_symbolic_node_name(vport,
2332                                ae->un.AttrString, 256);
2333        len += (len & 3) ? (4 - (len & 3)) : 4;
2334        size = FOURBYTES + len;
2335        ad->AttrLen = cpu_to_be16(size);
2336        ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
2337        return size;
2338}
2339
2340static int
2341lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
2342                               struct lpfc_fdmi_attr_def *ad)
2343{
2344        struct lpfc_fdmi_attr_entry *ae;
2345        uint32_t size;
2346
2347        ae = &ad->AttrValue;
2348
2349        /* Nothing is defined for this currently */
2350        ae->un.AttrInt =  cpu_to_be32(0);
2351        size = FOURBYTES + sizeof(uint32_t);
2352        ad->AttrLen = cpu_to_be16(size);
2353        ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
2354        return size;
2355}
2356
2357static int
2358lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
2359                             struct lpfc_fdmi_attr_def *ad)
2360{
2361        struct lpfc_fdmi_attr_entry *ae;
2362        uint32_t size;
2363
2364        ae = &ad->AttrValue;
2365
2366        /* Each driver instance corresponds to a single port */
2367        ae->un.AttrInt =  cpu_to_be32(1);
2368        size = FOURBYTES + sizeof(uint32_t);
2369        ad->AttrLen = cpu_to_be16(size);
2370        ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2371        return size;
2372}
2373
2374static int
2375lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2376                               struct lpfc_fdmi_attr_def *ad)
2377{
2378        struct lpfc_fdmi_attr_entry *ae;
2379        uint32_t size;
2380
2381        ae = &ad->AttrValue;
2382        memset(ae, 0, sizeof(*ae));
2383
2384        memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2385               sizeof(struct lpfc_name));
2386        size = FOURBYTES + sizeof(struct lpfc_name);
2387        ad->AttrLen = cpu_to_be16(size);
2388        ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2389        return size;
2390}
2391
2392static int
2393lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2394                            struct lpfc_fdmi_attr_def *ad)
2395{
2396        struct lpfc_hba *phba = vport->phba;
2397        struct lpfc_fdmi_attr_entry *ae;
2398        uint32_t len, size;
2399
2400        ae = &ad->AttrValue;
2401        memset(ae, 0, sizeof(*ae));
2402
2403        strlcat(ae->un.AttrString, phba->BIOSVersion,
2404                sizeof(ae->un.AttrString));
2405        len = strnlen(ae->un.AttrString,
2406                          sizeof(ae->un.AttrString));
2407        len += (len & 3) ? (4 - (len & 3)) : 4;
2408        size = FOURBYTES + len;
2409        ad->AttrLen = cpu_to_be16(size);
2410        ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2411        return size;
2412}
2413
2414static int
2415lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2416                              struct lpfc_fdmi_attr_def *ad)
2417{
2418        struct lpfc_fdmi_attr_entry *ae;
2419        uint32_t size;
2420
2421        ae = &ad->AttrValue;
2422
2423        /* Driver doesn't have access to this information */
2424        ae->un.AttrInt =  cpu_to_be32(0);
2425        size = FOURBYTES + sizeof(uint32_t);
2426        ad->AttrLen = cpu_to_be16(size);
2427        ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2428        return size;
2429}
2430
2431static int
2432lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2433                             struct lpfc_fdmi_attr_def *ad)
2434{
2435        struct lpfc_fdmi_attr_entry *ae;
2436        uint32_t len, size;
2437
2438        ae = &ad->AttrValue;
2439        memset(ae, 0, sizeof(*ae));
2440
2441        strncpy(ae->un.AttrString, "EMULEX",
2442                sizeof(ae->un.AttrString));
2443        len = strnlen(ae->un.AttrString,
2444                          sizeof(ae->un.AttrString));
2445        len += (len & 3) ? (4 - (len & 3)) : 4;
2446        size = FOURBYTES + len;
2447        ad->AttrLen = cpu_to_be16(size);
2448        ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2449        return size;
2450}
2451
2452/* Routines for all individual PORT attributes */
2453static int
2454lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2455                            struct lpfc_fdmi_attr_def *ad)
2456{
2457        struct lpfc_hba   *phba = vport->phba;
2458        struct lpfc_fdmi_attr_entry *ae;
2459        uint32_t size;
2460
2461        ae = &ad->AttrValue;
2462        memset(ae, 0, sizeof(*ae));
2463
2464        ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
2465        ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
2466
2467        /* Check to see if Firmware supports NVME and on physical port */
2468        if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2469            phba->sli4_hba.pc_sli4_params.nvme)
2470                ae->un.AttrTypes[6] = 0x01; /* Type 0x28 - NVME */
2471
2472        size = FOURBYTES + 32;
2473        ad->AttrLen = cpu_to_be16(size);
2474        ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2475        return size;
2476}
2477
2478static int
2479lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2480                                  struct lpfc_fdmi_attr_def *ad)
2481{
2482        struct lpfc_hba   *phba = vport->phba;
2483        struct lpfc_fdmi_attr_entry *ae;
2484        uint32_t size;
2485
2486        ae = &ad->AttrValue;
2487
2488        ae->un.AttrInt = 0;
2489        if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2490                if (phba->lmt & LMT_128Gb)
2491                        ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2492                if (phba->lmt & LMT_64Gb)
2493                        ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2494                if (phba->lmt & LMT_32Gb)
2495                        ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2496                if (phba->lmt & LMT_16Gb)
2497                        ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2498                if (phba->lmt & LMT_10Gb)
2499                        ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2500                if (phba->lmt & LMT_8Gb)
2501                        ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2502                if (phba->lmt & LMT_4Gb)
2503                        ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2504                if (phba->lmt & LMT_2Gb)
2505                        ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2506                if (phba->lmt & LMT_1Gb)
2507                        ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2508        } else {
2509                /* FCoE links support only one speed */
2510                switch (phba->fc_linkspeed) {
2511                case LPFC_ASYNC_LINK_SPEED_10GBPS:
2512                        ae->un.AttrInt = HBA_PORTSPEED_10GE;
2513                        break;
2514                case LPFC_ASYNC_LINK_SPEED_25GBPS:
2515                        ae->un.AttrInt = HBA_PORTSPEED_25GE;
2516                        break;
2517                case LPFC_ASYNC_LINK_SPEED_40GBPS:
2518                        ae->un.AttrInt = HBA_PORTSPEED_40GE;
2519                        break;
2520                case LPFC_ASYNC_LINK_SPEED_100GBPS:
2521                        ae->un.AttrInt = HBA_PORTSPEED_100GE;
2522                        break;
2523                }
2524        }
2525        ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2526        size = FOURBYTES + sizeof(uint32_t);
2527        ad->AttrLen = cpu_to_be16(size);
2528        ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2529        return size;
2530}
2531
2532static int
2533lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2534                          struct lpfc_fdmi_attr_def *ad)
2535{
2536        struct lpfc_hba   *phba = vport->phba;
2537        struct lpfc_fdmi_attr_entry *ae;
2538        uint32_t size;
2539
2540        ae = &ad->AttrValue;
2541
2542        if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2543                switch (phba->fc_linkspeed) {
2544                case LPFC_LINK_SPEED_1GHZ:
2545                        ae->un.AttrInt = HBA_PORTSPEED_1GFC;
2546                        break;
2547                case LPFC_LINK_SPEED_2GHZ:
2548                        ae->un.AttrInt = HBA_PORTSPEED_2GFC;
2549                        break;
2550                case LPFC_LINK_SPEED_4GHZ:
2551                        ae->un.AttrInt = HBA_PORTSPEED_4GFC;
2552                        break;
2553                case LPFC_LINK_SPEED_8GHZ:
2554                        ae->un.AttrInt = HBA_PORTSPEED_8GFC;
2555                        break;
2556                case LPFC_LINK_SPEED_10GHZ:
2557                        ae->un.AttrInt = HBA_PORTSPEED_10GFC;
2558                        break;
2559                case LPFC_LINK_SPEED_16GHZ:
2560                        ae->un.AttrInt = HBA_PORTSPEED_16GFC;
2561                        break;
2562                case LPFC_LINK_SPEED_32GHZ:
2563                        ae->un.AttrInt = HBA_PORTSPEED_32GFC;
2564                        break;
2565                case LPFC_LINK_SPEED_64GHZ:
2566                        ae->un.AttrInt = HBA_PORTSPEED_64GFC;
2567                        break;
2568                case LPFC_LINK_SPEED_128GHZ:
2569                        ae->un.AttrInt = HBA_PORTSPEED_128GFC;
2570                        break;
2571                default:
2572                        ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2573                        break;
2574                }
2575        } else {
2576                switch (phba->fc_linkspeed) {
2577                case LPFC_ASYNC_LINK_SPEED_10GBPS:
2578                        ae->un.AttrInt = HBA_PORTSPEED_10GE;
2579                        break;
2580                case LPFC_ASYNC_LINK_SPEED_25GBPS:
2581                        ae->un.AttrInt = HBA_PORTSPEED_25GE;
2582                        break;
2583                case LPFC_ASYNC_LINK_SPEED_40GBPS:
2584                        ae->un.AttrInt = HBA_PORTSPEED_40GE;
2585                        break;
2586                case LPFC_ASYNC_LINK_SPEED_100GBPS:
2587                        ae->un.AttrInt = HBA_PORTSPEED_100GE;
2588                        break;
2589                default:
2590                        ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
2591                        break;
2592                }
2593        }
2594
2595        ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2596        size = FOURBYTES + sizeof(uint32_t);
2597        ad->AttrLen = cpu_to_be16(size);
2598        ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
2599        return size;
2600}
2601
2602static int
2603lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
2604                              struct lpfc_fdmi_attr_def *ad)
2605{
2606        struct serv_parm *hsp;
2607        struct lpfc_fdmi_attr_entry *ae;
2608        uint32_t size;
2609
2610        ae = &ad->AttrValue;
2611
2612        hsp = (struct serv_parm *)&vport->fc_sparam;
2613        ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
2614                          (uint32_t) hsp->cmn.bbRcvSizeLsb;
2615        ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2616        size = FOURBYTES + sizeof(uint32_t);
2617        ad->AttrLen = cpu_to_be16(size);
2618        ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
2619        return size;
2620}
2621
2622static int
2623lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
2624                               struct lpfc_fdmi_attr_def *ad)
2625{
2626        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2627        struct lpfc_fdmi_attr_entry *ae;
2628        uint32_t len, size;
2629
2630        ae = &ad->AttrValue;
2631        memset(ae, 0, sizeof(*ae));
2632
2633        snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
2634                 "/sys/class/scsi_host/host%d", shost->host_no);
2635        len = strnlen((char *)ae->un.AttrString,
2636                          sizeof(ae->un.AttrString));
2637        len += (len & 3) ? (4 - (len & 3)) : 4;
2638        size = FOURBYTES + len;
2639        ad->AttrLen = cpu_to_be16(size);
2640        ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
2641        return size;
2642}
2643
2644static int
2645lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
2646                              struct lpfc_fdmi_attr_def *ad)
2647{
2648        struct lpfc_fdmi_attr_entry *ae;
2649        uint32_t len, size;
2650
2651        ae = &ad->AttrValue;
2652        memset(ae, 0, sizeof(*ae));
2653
2654        scnprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
2655                  vport->phba->os_host_name);
2656
2657        len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2658        len += (len & 3) ? (4 - (len & 3)) : 4;
2659        size = FOURBYTES + len;
2660        ad->AttrLen = cpu_to_be16(size);
2661        ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
2662        return size;
2663}
2664
2665static int
2666lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
2667                         struct lpfc_fdmi_attr_def *ad)
2668{
2669        struct lpfc_fdmi_attr_entry *ae;
2670        uint32_t size;
2671
2672        ae = &ad->AttrValue;
2673        memset(ae, 0, sizeof(*ae));
2674
2675        memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2676               sizeof(struct lpfc_name));
2677        size = FOURBYTES + sizeof(struct lpfc_name);
2678        ad->AttrLen = cpu_to_be16(size);
2679        ad->AttrType = cpu_to_be16(RPRT_NODENAME);
2680        return size;
2681}
2682
2683static int
2684lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
2685                         struct lpfc_fdmi_attr_def *ad)
2686{
2687        struct lpfc_fdmi_attr_entry *ae;
2688        uint32_t size;
2689
2690        ae = &ad->AttrValue;
2691        memset(ae, 0, sizeof(*ae));
2692
2693        memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
2694               sizeof(struct lpfc_name));
2695        size = FOURBYTES + sizeof(struct lpfc_name);
2696        ad->AttrLen = cpu_to_be16(size);
2697        ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
2698        return size;
2699}
2700
2701static int
2702lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
2703                                  struct lpfc_fdmi_attr_def *ad)
2704{
2705        struct lpfc_fdmi_attr_entry *ae;
2706        uint32_t len, size;
2707
2708        ae = &ad->AttrValue;
2709        memset(ae, 0, sizeof(*ae));
2710
2711        len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
2712        len += (len & 3) ? (4 - (len & 3)) : 4;
2713        size = FOURBYTES + len;
2714        ad->AttrLen = cpu_to_be16(size);
2715        ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
2716        return size;
2717}
2718
2719static int
2720lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
2721                              struct lpfc_fdmi_attr_def *ad)
2722{
2723        struct lpfc_hba *phba = vport->phba;
2724        struct lpfc_fdmi_attr_entry *ae;
2725        uint32_t size;
2726
2727        ae = &ad->AttrValue;
2728        if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
2729                ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
2730        else
2731                ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
2732        size = FOURBYTES + sizeof(uint32_t);
2733        ad->AttrLen = cpu_to_be16(size);
2734        ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
2735        return size;
2736}
2737
2738static int
2739lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
2740                          struct lpfc_fdmi_attr_def *ad)
2741{
2742        struct lpfc_fdmi_attr_entry *ae;
2743        uint32_t size;
2744
2745        ae = &ad->AttrValue;
2746        ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
2747        size = FOURBYTES + sizeof(uint32_t);
2748        ad->AttrLen = cpu_to_be16(size);
2749        ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
2750        return size;
2751}
2752
2753static int
2754lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
2755                                struct lpfc_fdmi_attr_def *ad)
2756{
2757        struct lpfc_fdmi_attr_entry *ae;
2758        uint32_t size;
2759
2760        ae = &ad->AttrValue;
2761        memset(ae, 0, sizeof(*ae));
2762
2763        memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
2764               sizeof(struct lpfc_name));
2765        size = FOURBYTES + sizeof(struct lpfc_name);
2766        ad->AttrLen = cpu_to_be16(size);
2767        ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
2768        return size;
2769}
2770
2771static int
2772lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
2773                                   struct lpfc_fdmi_attr_def *ad)
2774{
2775        struct lpfc_fdmi_attr_entry *ae;
2776        uint32_t size;
2777
2778        ae = &ad->AttrValue;
2779        memset(ae, 0, sizeof(*ae));
2780
2781        ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
2782        ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
2783
2784        /* Check to see if NVME is configured or not */
2785        if (vport->phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
2786                ae->un.AttrTypes[6] = 0x1; /* Type 0x28 - NVME */
2787
2788        size = FOURBYTES + 32;
2789        ad->AttrLen = cpu_to_be16(size);
2790        ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
2791        return size;
2792}
2793
2794static int
2795lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
2796                               struct lpfc_fdmi_attr_def *ad)
2797{
2798        struct lpfc_fdmi_attr_entry *ae;
2799        uint32_t size;
2800
2801        ae = &ad->AttrValue;
2802        /* Link Up - operational */
2803        ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
2804        size = FOURBYTES + sizeof(uint32_t);
2805        ad->AttrLen = cpu_to_be16(size);
2806        ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
2807        return size;
2808}
2809
2810static int
2811lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
2812                             struct lpfc_fdmi_attr_def *ad)
2813{
2814        struct lpfc_fdmi_attr_entry *ae;
2815        uint32_t size;
2816
2817        ae = &ad->AttrValue;
2818        vport->fdmi_num_disc = lpfc_find_map_node(vport);
2819        ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
2820        size = FOURBYTES + sizeof(uint32_t);
2821        ad->AttrLen = cpu_to_be16(size);
2822        ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
2823        return size;
2824}
2825
2826static int
2827lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
2828                            struct lpfc_fdmi_attr_def *ad)
2829{
2830        struct lpfc_fdmi_attr_entry *ae;
2831        uint32_t size;
2832
2833        ae = &ad->AttrValue;
2834        ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
2835        size = FOURBYTES + sizeof(uint32_t);
2836        ad->AttrLen = cpu_to_be16(size);
2837        ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
2838        return size;
2839}
2840
2841static int
2842lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
2843                             struct lpfc_fdmi_attr_def *ad)
2844{
2845        struct lpfc_fdmi_attr_entry *ae;
2846        uint32_t len, size;
2847
2848        ae = &ad->AttrValue;
2849        memset(ae, 0, sizeof(*ae));
2850
2851        strncpy(ae->un.AttrString, "Smart SAN Initiator",
2852                sizeof(ae->un.AttrString));
2853        len = strnlen(ae->un.AttrString,
2854                          sizeof(ae->un.AttrString));
2855        len += (len & 3) ? (4 - (len & 3)) : 4;
2856        size = FOURBYTES + len;
2857        ad->AttrLen = cpu_to_be16(size);
2858        ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
2859        return size;
2860}
2861
2862static int
2863lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
2864                          struct lpfc_fdmi_attr_def *ad)
2865{
2866        struct lpfc_fdmi_attr_entry *ae;
2867        uint32_t size;
2868
2869        ae = &ad->AttrValue;
2870        memset(ae, 0, sizeof(*ae));
2871
2872        memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
2873               sizeof(struct lpfc_name));
2874        memcpy((((uint8_t *)&ae->un.AttrString) +
2875                sizeof(struct lpfc_name)),
2876                &vport->fc_sparam.portName, sizeof(struct lpfc_name));
2877        size = FOURBYTES + (2 * sizeof(struct lpfc_name));
2878        ad->AttrLen =  cpu_to_be16(size);
2879        ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
2880        return size;
2881}
2882
2883static int
2884lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
2885                             struct lpfc_fdmi_attr_def *ad)
2886{
2887        struct lpfc_fdmi_attr_entry *ae;
2888        uint32_t len, size;
2889
2890        ae = &ad->AttrValue;
2891        memset(ae, 0, sizeof(*ae));
2892
2893        strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
2894                sizeof(ae->un.AttrString));
2895        len = strnlen(ae->un.AttrString,
2896                          sizeof(ae->un.AttrString));
2897        len += (len & 3) ? (4 - (len & 3)) : 4;
2898        size = FOURBYTES + len;
2899        ad->AttrLen =  cpu_to_be16(size);
2900        ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
2901        return size;
2902}
2903
2904static int
2905lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
2906                           struct lpfc_fdmi_attr_def *ad)
2907{
2908        struct lpfc_hba *phba = vport->phba;
2909        struct lpfc_fdmi_attr_entry *ae;
2910        uint32_t len, size;
2911
2912        ae = &ad->AttrValue;
2913        memset(ae, 0, sizeof(*ae));
2914
2915        strncpy(ae->un.AttrString, phba->ModelName,
2916                sizeof(ae->un.AttrString));
2917        len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2918        len += (len & 3) ? (4 - (len & 3)) : 4;
2919        size = FOURBYTES + len;
2920        ad->AttrLen = cpu_to_be16(size);
2921        ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
2922        return size;
2923}
2924
2925static int
2926lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
2927                               struct lpfc_fdmi_attr_def *ad)
2928{
2929        struct lpfc_fdmi_attr_entry *ae;
2930        uint32_t size;
2931
2932        ae = &ad->AttrValue;
2933
2934        /* SRIOV (type 3) is not supported */
2935        if (vport->vpi)
2936                ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
2937        else
2938                ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
2939        size = FOURBYTES + sizeof(uint32_t);
2940        ad->AttrLen = cpu_to_be16(size);
2941        ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
2942        return size;
2943}
2944
2945static int
2946lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
2947                         struct lpfc_fdmi_attr_def *ad)
2948{
2949        struct lpfc_fdmi_attr_entry *ae;
2950        uint32_t size;
2951
2952        ae = &ad->AttrValue;
2953        ae->un.AttrInt =  cpu_to_be32(0);
2954        size = FOURBYTES + sizeof(uint32_t);
2955        ad->AttrLen = cpu_to_be16(size);
2956        ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
2957        return size;
2958}
2959
2960static int
2961lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
2962                              struct lpfc_fdmi_attr_def *ad)
2963{
2964        struct lpfc_fdmi_attr_entry *ae;
2965        uint32_t size;
2966
2967        ae = &ad->AttrValue;
2968        ae->un.AttrInt =  cpu_to_be32(1);
2969        size = FOURBYTES + sizeof(uint32_t);
2970        ad->AttrLen = cpu_to_be16(size);
2971        ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
2972        return size;
2973}
2974
2975/* RHBA attribute jump table */
2976int (*lpfc_fdmi_hba_action[])
2977        (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
2978        /* Action routine                 Mask bit     Attribute type */
2979        lpfc_fdmi_hba_attr_wwnn,          /* bit0     RHBA_NODENAME           */
2980        lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
2981        lpfc_fdmi_hba_attr_sn,            /* bit2     RHBA_SERIAL_NUMBER      */
2982        lpfc_fdmi_hba_attr_model,         /* bit3     RHBA_MODEL              */
2983        lpfc_fdmi_hba_attr_description,   /* bit4     RHBA_MODEL_DESCRIPTION  */
2984        lpfc_fdmi_hba_attr_hdw_ver,       /* bit5     RHBA_HARDWARE_VERSION   */
2985        lpfc_fdmi_hba_attr_drvr_ver,      /* bit6     RHBA_DRIVER_VERSION     */
2986        lpfc_fdmi_hba_attr_rom_ver,       /* bit7     RHBA_OPTION_ROM_VERSION */
2987        lpfc_fdmi_hba_attr_fmw_ver,       /* bit8     RHBA_FIRMWARE_VERSION   */
2988        lpfc_fdmi_hba_attr_os_ver,        /* bit9     RHBA_OS_NAME_VERSION    */
2989        lpfc_fdmi_hba_attr_ct_len,        /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
2990        lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
2991        lpfc_fdmi_hba_attr_vendor_info,   /* bit12    RHBA_VENDOR_INFO        */
2992        lpfc_fdmi_hba_attr_num_ports,     /* bit13    RHBA_NUM_PORTS          */
2993        lpfc_fdmi_hba_attr_fabric_wwnn,   /* bit14    RHBA_FABRIC_WWNN        */
2994        lpfc_fdmi_hba_attr_bios_ver,      /* bit15    RHBA_BIOS_VERSION       */
2995        lpfc_fdmi_hba_attr_bios_state,    /* bit16    RHBA_BIOS_STATE         */
2996        lpfc_fdmi_hba_attr_vendor_id,     /* bit17    RHBA_VENDOR_ID          */
2997};
2998
2999/* RPA / RPRT attribute jump table */
3000int (*lpfc_fdmi_port_action[])
3001        (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3002        /* Action routine                   Mask bit   Attribute type */
3003        lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
3004        lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
3005        lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
3006        lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
3007        lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
3008        lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
3009        lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
3010        lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
3011        lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
3012        lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
3013        lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
3014        lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
3015        lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
3016        lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
3017        lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
3018        lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
3019        lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
3020        lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
3021        lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
3022        lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
3023        lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
3024        lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
3025        lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
3026};
3027
3028/**
3029 * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3030 * @vport: pointer to a host virtual N_Port data structure.
3031 * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3032 * @cmdcode: FDMI command to send
3033 * @new_mask: Mask of HBA or PORT Attributes to send
3034 *
3035 * Builds and sends a FDMI command using the CT subsystem.
3036 */
3037int
3038lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3039              int cmdcode, uint32_t new_mask)
3040{
3041        struct lpfc_hba *phba = vport->phba;
3042        struct lpfc_dmabuf *mp, *bmp;
3043        struct lpfc_sli_ct_request *CtReq;
3044        struct ulp_bde64 *bpl;
3045        uint32_t bit_pos;
3046        uint32_t size;
3047        uint32_t rsp_size;
3048        uint32_t mask;
3049        struct lpfc_fdmi_reg_hba *rh;
3050        struct lpfc_fdmi_port_entry *pe;
3051        struct lpfc_fdmi_reg_portattr *pab = NULL;
3052        struct lpfc_fdmi_attr_block *ab = NULL;
3053        int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
3054        void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
3055                     struct lpfc_iocbq *);
3056
3057        if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
3058                return 0;
3059
3060        cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3061
3062        /* fill in BDEs for command */
3063        /* Allocate buffer for command payload */
3064        mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3065        if (!mp)
3066                goto fdmi_cmd_exit;
3067
3068        mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
3069        if (!mp->virt)
3070                goto fdmi_cmd_free_mp;
3071
3072        /* Allocate buffer for Buffer ptr list */
3073        bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3074        if (!bmp)
3075                goto fdmi_cmd_free_mpvirt;
3076
3077        bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
3078        if (!bmp->virt)
3079                goto fdmi_cmd_free_bmp;
3080
3081        INIT_LIST_HEAD(&mp->list);
3082        INIT_LIST_HEAD(&bmp->list);
3083
3084        /* FDMI request */
3085        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3086                         "0218 FDMI Request Data: x%x x%x x%x\n",
3087                         vport->fc_flag, vport->port_state, cmdcode);
3088        CtReq = (struct lpfc_sli_ct_request *)mp->virt;
3089
3090        /* First populate the CT_IU preamble */
3091        memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
3092        CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3093        CtReq->RevisionId.bits.InId = 0;
3094
3095        CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3096        CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3097
3098        CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3099        rsp_size = LPFC_BPL_SIZE;
3100        size = 0;
3101
3102        /* Next fill in the specific FDMI cmd information */
3103        switch (cmdcode) {
3104        case SLI_MGMT_RHAT:
3105        case SLI_MGMT_RHBA:
3106                rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
3107                /* HBA Identifier */
3108                memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3109                       sizeof(struct lpfc_name));
3110
3111                if (cmdcode == SLI_MGMT_RHBA) {
3112                        /* Registered Port List */
3113                        /* One entry (port) per adapter */
3114                        rh->rpl.EntryCnt = cpu_to_be32(1);
3115                        memcpy(&rh->rpl.pe.PortName,
3116                               &phba->pport->fc_sparam.portName,
3117                               sizeof(struct lpfc_name));
3118
3119                        /* point to the HBA attribute block */
3120                        size = 2 * sizeof(struct lpfc_name) +
3121                                FOURBYTES;
3122                } else {
3123                        size = sizeof(struct lpfc_name);
3124                }
3125                ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3126                ab->EntryCnt = 0;
3127                size += FOURBYTES;
3128                bit_pos = 0;
3129                if (new_mask)
3130                        mask = new_mask;
3131                else
3132                        mask = vport->fdmi_hba_mask;
3133
3134                /* Mask will dictate what attributes to build in the request */
3135                while (mask) {
3136                        if (mask & 0x1) {
3137                                func = lpfc_fdmi_hba_action[bit_pos];
3138                                size += func(vport,
3139                                             (struct lpfc_fdmi_attr_def *)
3140                                             ((uint8_t *)rh + size));
3141                                ab->EntryCnt++;
3142                                if ((size + 256) >
3143                                    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3144                                        goto hba_out;
3145                        }
3146                        mask = mask >> 1;
3147                        bit_pos++;
3148                }
3149hba_out:
3150                ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3151                /* Total size */
3152                size = GID_REQUEST_SZ - 4 + size;
3153                break;
3154
3155        case SLI_MGMT_RPRT:
3156        case SLI_MGMT_RPA:
3157                pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
3158                if (cmdcode == SLI_MGMT_RPRT) {
3159                        rh = (struct lpfc_fdmi_reg_hba *)pab;
3160                        /* HBA Identifier */
3161                        memcpy(&rh->hi.PortName,
3162                               &phba->pport->fc_sparam.portName,
3163                               sizeof(struct lpfc_name));
3164                        pab = (struct lpfc_fdmi_reg_portattr *)
3165                                ((uint8_t *)pab +  sizeof(struct lpfc_name));
3166                }
3167
3168                memcpy((uint8_t *)&pab->PortName,
3169                       (uint8_t *)&vport->fc_sparam.portName,
3170                       sizeof(struct lpfc_name));
3171                size += sizeof(struct lpfc_name) + FOURBYTES;
3172                pab->ab.EntryCnt = 0;
3173                bit_pos = 0;
3174                if (new_mask)
3175                        mask = new_mask;
3176                else
3177                        mask = vport->fdmi_port_mask;
3178
3179                /* Mask will dictate what attributes to build in the request */
3180                while (mask) {
3181                        if (mask & 0x1) {
3182                                func = lpfc_fdmi_port_action[bit_pos];
3183                                size += func(vport,
3184                                             (struct lpfc_fdmi_attr_def *)
3185                                             ((uint8_t *)pab + size));
3186                                pab->ab.EntryCnt++;
3187                                if ((size + 256) >
3188                                    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3189                                        goto port_out;
3190                        }
3191                        mask = mask >> 1;
3192                        bit_pos++;
3193                }
3194port_out:
3195                pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3196                /* Total size */
3197                if (cmdcode == SLI_MGMT_RPRT)
3198                        size += sizeof(struct lpfc_name);
3199                size = GID_REQUEST_SZ - 4 + size;
3200                break;
3201
3202        case SLI_MGMT_GHAT:
3203        case SLI_MGMT_GRPL:
3204                rsp_size = FC_MAX_NS_RSP;
3205                fallthrough;
3206        case SLI_MGMT_DHBA:
3207        case SLI_MGMT_DHAT:
3208                pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3209                memcpy((uint8_t *)&pe->PortName,
3210                       (uint8_t *)&vport->fc_sparam.portName,
3211                       sizeof(struct lpfc_name));
3212                size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3213                break;
3214
3215        case SLI_MGMT_GPAT:
3216        case SLI_MGMT_GPAS:
3217                rsp_size = FC_MAX_NS_RSP;
3218                fallthrough;
3219        case SLI_MGMT_DPRT:
3220        case SLI_MGMT_DPA:
3221                pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3222                memcpy((uint8_t *)&pe->PortName,
3223                       (uint8_t *)&vport->fc_sparam.portName,
3224                       sizeof(struct lpfc_name));
3225                size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3226                break;
3227        case SLI_MGMT_GRHL:
3228                size = GID_REQUEST_SZ - 4;
3229                break;
3230        default:
3231                lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3232                                 "0298 FDMI cmdcode x%x not supported\n",
3233                                 cmdcode);
3234                goto fdmi_cmd_free_bmpvirt;
3235        }
3236        CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3237
3238        bpl = (struct ulp_bde64 *)bmp->virt;
3239        bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
3240        bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
3241        bpl->tus.f.bdeFlags = 0;
3242        bpl->tus.f.bdeSize = size;
3243
3244        /*
3245         * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3246         * to hold ndlp reference for the corresponding callback function.
3247         */
3248        if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
3249                return 0;
3250
3251        /*
3252         * Decrement ndlp reference count to release ndlp reference held
3253         * for the failed command's callback function.
3254         */
3255        lpfc_nlp_put(ndlp);
3256
3257fdmi_cmd_free_bmpvirt:
3258        lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3259fdmi_cmd_free_bmp:
3260        kfree(bmp);
3261fdmi_cmd_free_mpvirt:
3262        lpfc_mbuf_free(phba, mp->virt, mp->phys);
3263fdmi_cmd_free_mp:
3264        kfree(mp);
3265fdmi_cmd_exit:
3266        /* Issue FDMI request failed */
3267        lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3268                         "0244 Issue FDMI request failed Data: x%x\n",
3269                         cmdcode);
3270        return 1;
3271}
3272
3273/**
3274 * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3275 * @t: Context object of the timer.
3276 *
3277 * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3278 * the worker thread.
3279 **/
3280void
3281lpfc_delayed_disc_tmo(struct timer_list *t)
3282{
3283        struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3284        struct lpfc_hba   *phba = vport->phba;
3285        uint32_t tmo_posted;
3286        unsigned long iflag;
3287
3288        spin_lock_irqsave(&vport->work_port_lock, iflag);
3289        tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3290        if (!tmo_posted)
3291                vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3292        spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3293
3294        if (!tmo_posted)
3295                lpfc_worker_wake_up(phba);
3296        return;
3297}
3298
3299/**
3300 * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3301 *      handle delayed discovery.
3302 * @vport: pointer to a host virtual N_Port data structure.
3303 *
3304 * This function start nport discovery of the vport.
3305 **/
3306void
3307lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3308{
3309        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3310
3311        spin_lock_irq(shost->host_lock);
3312        if (!(vport->fc_flag & FC_DISC_DELAYED)) {
3313                spin_unlock_irq(shost->host_lock);
3314                return;
3315        }
3316        vport->fc_flag &= ~FC_DISC_DELAYED;
3317        spin_unlock_irq(shost->host_lock);
3318
3319        lpfc_do_scr_ns_plogi(vport->phba, vport);
3320}
3321
3322void
3323lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3324{
3325        struct lpfc_sli *psli = &phba->sli;
3326        lpfc_vpd_t *vp = &phba->vpd;
3327        uint32_t b1, b2, b3, b4, i, rev;
3328        char c;
3329        uint32_t *ptr, str[4];
3330        uint8_t *fwname;
3331
3332        if (phba->sli_rev == LPFC_SLI_REV4)
3333                snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3334        else if (vp->rev.rBit) {
3335                if (psli->sli_flag & LPFC_SLI_ACTIVE)
3336                        rev = vp->rev.sli2FwRev;
3337                else
3338                        rev = vp->rev.sli1FwRev;
3339
3340                b1 = (rev & 0x0000f000) >> 12;
3341                b2 = (rev & 0x00000f00) >> 8;
3342                b3 = (rev & 0x000000c0) >> 6;
3343                b4 = (rev & 0x00000030) >> 4;
3344
3345                switch (b4) {
3346                case 0:
3347                        c = 'N';
3348                        break;
3349                case 1:
3350                        c = 'A';
3351                        break;
3352                case 2:
3353                        c = 'B';
3354                        break;
3355                case 3:
3356                        c = 'X';
3357                        break;
3358                default:
3359                        c = 0;
3360                        break;
3361                }
3362                b4 = (rev & 0x0000000f);
3363
3364                if (psli->sli_flag & LPFC_SLI_ACTIVE)
3365                        fwname = vp->rev.sli2FwName;
3366                else
3367                        fwname = vp->rev.sli1FwName;
3368
3369                for (i = 0; i < 16; i++)
3370                        if (fwname[i] == 0x20)
3371                                fwname[i] = 0;
3372
3373                ptr = (uint32_t*)fwname;
3374
3375                for (i = 0; i < 3; i++)
3376                        str[i] = be32_to_cpu(*ptr++);
3377
3378                if (c == 0) {
3379                        if (flag)
3380                                sprintf(fwrevision, "%d.%d%d (%s)",
3381                                        b1, b2, b3, (char *)str);
3382                        else
3383                                sprintf(fwrevision, "%d.%d%d", b1,
3384                                        b2, b3);
3385                } else {
3386                        if (flag)
3387                                sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3388                                        b1, b2, b3, c,
3389                                        b4, (char *)str);
3390                        else
3391                                sprintf(fwrevision, "%d.%d%d%c%d",
3392                                        b1, b2, b3, c, b4);
3393                }
3394        } else {
3395                rev = vp->rev.smFwRev;
3396
3397                b1 = (rev & 0xff000000) >> 24;
3398                b2 = (rev & 0x00f00000) >> 20;
3399                b3 = (rev & 0x000f0000) >> 16;
3400                c  = (rev & 0x0000ff00) >> 8;
3401                b4 = (rev & 0x000000ff);
3402
3403                sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3404        }
3405        return;
3406}
3407