drivers/scsi/lpfc/lpfc_ct.c

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2017-2024 Broadcom. All Rights Reserved. The term *
   5  * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.     *
   6  * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
   7  * EMULEX and SLI are trademarks of Emulex.                        *
   8  * www.broadcom.com                                                *
   9  *                                                                 *
  10  * This program is free software; you can redistribute it and/or   *
  11  * modify it under the terms of version 2 of the GNU General       *
  12  * Public License as published by the Free Software Foundation.    *
  13  * This program is distributed in the hope that it will be useful. *
  14  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  15  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  16  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  17  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  18  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  19  * more details, a copy of which can be found in the file COPYING  *
  20  * included with this package.                                     *
  21  *******************************************************************/
  22
  23 /*
  24  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
  25  */
  26
  27 #include <linux/blkdev.h>
  28 #include <linux/pci.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/slab.h>
  31 #include <linux/utsname.h>
  32
  33 #include <scsi/scsi.h>
  34 #include <scsi/scsi_device.h>
  35 #include <scsi/scsi_host.h>
  36 #include <scsi/scsi_transport_fc.h>
  37 #include <scsi/fc/fc_fs.h>
  38
  39 #include "lpfc_hw4.h"
  40 #include "lpfc_hw.h"
  41 #include "lpfc_sli.h"
  42 #include "lpfc_sli4.h"
  43 #include "lpfc_nl.h"
  44 #include "lpfc_disc.h"
  45 #include "lpfc.h"
  46 #include "lpfc_scsi.h"
  47 #include "lpfc_logmsg.h"
  48 #include "lpfc_crtn.h"
  49 #include "lpfc_version.h"
  50 #include "lpfc_vport.h"
  51 #include "lpfc_debugfs.h"
  52
  53 /* FDMI Port Speed definitions - FC-GS-7 */
  54 #define HBA_PORTSPEED_1GFC              0x00000001      /* 1G FC */
  55 #define HBA_PORTSPEED_2GFC              0x00000002      /* 2G FC */
  56 #define HBA_PORTSPEED_4GFC              0x00000008      /* 4G FC */
  57 #define HBA_PORTSPEED_10GFC             0x00000004      /* 10G FC */
  58 #define HBA_PORTSPEED_8GFC              0x00000010      /* 8G FC */
  59 #define HBA_PORTSPEED_16GFC             0x00000020      /* 16G FC */
  60 #define HBA_PORTSPEED_32GFC             0x00000040      /* 32G FC */
  61 #define HBA_PORTSPEED_20GFC             0x00000080      /* 20G FC */
  62 #define HBA_PORTSPEED_40GFC             0x00000100      /* 40G FC */
  63 #define HBA_PORTSPEED_128GFC            0x00000200      /* 128G FC */
  64 #define HBA_PORTSPEED_64GFC             0x00000400      /* 64G FC */
  65 #define HBA_PORTSPEED_256GFC            0x00000800      /* 256G FC */
  66 #define HBA_PORTSPEED_UNKNOWN           0x00008000      /* Unknown */
  67 #define HBA_PORTSPEED_10GE              0x00010000      /* 10G E */
  68 #define HBA_PORTSPEED_40GE              0x00020000      /* 40G E */
  69 #define HBA_PORTSPEED_100GE             0x00040000      /* 100G E */
  70 #define HBA_PORTSPEED_25GE              0x00080000      /* 25G E */
  71 #define HBA_PORTSPEED_50GE              0x00100000      /* 50G E */
  72 #define HBA_PORTSPEED_400GE             0x00200000      /* 400G E */
  73
  74 #define FOURBYTES       4
  75
  76
  77 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
  78 static void
  79 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
  80                       struct lpfc_iocbq *rspiocb);
  81
  82 static void
  83 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  84                           struct lpfc_dmabuf *mp, uint32_t size)
  85 {
  86         if (!mp) {
  87                 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  88                                 "0146 Ignoring unsolicited CT No HBQ "
  89                                 "status = x%x\n",
  90                                 get_job_ulpstatus(phba, piocbq));
  91         }
  92         lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  93                         "0145 Ignoring unsolicited CT HBQ Size:%d "
  94                         "status = x%x\n",
  95                         size, get_job_ulpstatus(phba, piocbq));
  96 }
  97
  98 static void
  99 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
 100                      struct lpfc_dmabuf *mp, uint32_t size)
 101 {
 102         lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
 103 }
 104
 105 /**
 106  * lpfc_ct_unsol_cmpl : Completion callback function for unsol ct commands
 107  * @phba : pointer to lpfc hba data structure.
 108  * @cmdiocb : pointer to lpfc command iocb data structure.
 109  * @rspiocb : pointer to lpfc response iocb data structure.
 110  *
 111  * This routine is the callback function for issuing unsol ct reject command.
 112  * The memory allocated in the reject command path is freed up here.
 113  **/
 114 static void
 115 lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 116                    struct lpfc_iocbq *rspiocb)
 117 {
 118         struct lpfc_nodelist *ndlp;
 119         struct lpfc_dmabuf *mp, *bmp;
 120
 121         ndlp = cmdiocb->ndlp;
 122         if (ndlp)
 123                 lpfc_nlp_put(ndlp);
 124
 125         mp = cmdiocb->rsp_dmabuf;
 126         bmp = cmdiocb->bpl_dmabuf;
 127         if (mp) {
 128                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 129                 kfree(mp);
 130                 cmdiocb->rsp_dmabuf = NULL;
 131         }
 132
 133         if (bmp) {
 134                 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
 135                 kfree(bmp);
 136                 cmdiocb->bpl_dmabuf = NULL;
 137         }
 138
 139         lpfc_sli_release_iocbq(phba, cmdiocb);
 140 }
 141
 142 /**
 143  * lpfc_ct_reject_event - Issue reject for unhandled CT MIB commands
 144  * @ndlp: pointer to a node-list data structure.
 145  * @ct_req: pointer to the CT request data structure.
 146  * @ulp_context: context of received UNSOL CT command
 147  * @ox_id: ox_id of the UNSOL CT command
 148  *
 149  * This routine is invoked by the lpfc_ct_handle_mibreq routine for sending
 150  * a reject response. Reject response is sent for the unhandled commands.
 151  **/
 152 static void
 153 lpfc_ct_reject_event(struct lpfc_nodelist *ndlp,
 154                      struct lpfc_sli_ct_request *ct_req,
 155                      u16 ulp_context, u16 ox_id)
 156 {
 157         struct lpfc_vport *vport = ndlp->vport;
 158         struct lpfc_hba *phba = vport->phba;
 159         struct lpfc_sli_ct_request *ct_rsp;
 160         struct lpfc_iocbq *cmdiocbq = NULL;
 161         struct lpfc_dmabuf *bmp = NULL;
 162         struct lpfc_dmabuf *mp = NULL;
 163         struct ulp_bde64 *bpl;
 164         u8 rc = 0;
 165         u32 tmo;
 166
 167         /* fill in BDEs for command */
 168         mp = kmalloc(sizeof(*mp), GFP_KERNEL);
 169         if (!mp) {
 170                 rc = 1;
 171                 goto ct_exit;
 172         }
 173
 174         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp->phys);
 175         if (!mp->virt) {
 176                 rc = 2;
 177                 goto ct_free_mp;
 178         }
 179
 180         /* Allocate buffer for Buffer ptr list */
 181         bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
 182         if (!bmp) {
 183                 rc = 3;
 184                 goto ct_free_mpvirt;
 185         }
 186
 187         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &bmp->phys);
 188         if (!bmp->virt) {
 189                 rc = 4;
 190                 goto ct_free_bmp;
 191         }
 192
 193         INIT_LIST_HEAD(&mp->list);
 194         INIT_LIST_HEAD(&bmp->list);
 195
 196         bpl = (struct ulp_bde64 *)bmp->virt;
 197         memset(bpl, 0, sizeof(struct ulp_bde64));
 198         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
 199         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
 200         bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
 201         bpl->tus.f.bdeSize = (LPFC_CT_PREAMBLE - 4);
 202         bpl->tus.w = le32_to_cpu(bpl->tus.w);
 203
 204         ct_rsp = (struct lpfc_sli_ct_request *)mp->virt;
 205         memset(ct_rsp, 0, sizeof(struct lpfc_sli_ct_request));
 206
 207         ct_rsp->RevisionId.bits.Revision = SLI_CT_REVISION;
 208         ct_rsp->RevisionId.bits.InId = 0;
 209         ct_rsp->FsType = ct_req->FsType;
 210         ct_rsp->FsSubType = ct_req->FsSubType;
 211         ct_rsp->CommandResponse.bits.Size = 0;
 212         ct_rsp->CommandResponse.bits.CmdRsp =
 213                 cpu_to_be16(SLI_CT_RESPONSE_FS_RJT);
 214         ct_rsp->ReasonCode = SLI_CT_REQ_NOT_SUPPORTED;
 215         ct_rsp->Explanation = SLI_CT_NO_ADDITIONAL_EXPL;
 216
 217         cmdiocbq = lpfc_sli_get_iocbq(phba);
 218         if (!cmdiocbq) {
 219                 rc = 5;
 220                 goto ct_free_bmpvirt;
 221         }
 222
 223         if (phba->sli_rev == LPFC_SLI_REV4) {
 224                 lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp,
 225                                          phba->sli4_hba.rpi_ids[ndlp->nlp_rpi],
 226                                          ox_id, 1, FC_RCTL_DD_SOL_CTL, 1,
 227                                          CMD_XMIT_SEQUENCE64_WQE);
 228         } else {
 229                 lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, 0, ulp_context, 1,
 230                                          FC_RCTL_DD_SOL_CTL, 1,
 231                                          CMD_XMIT_SEQUENCE64_CX);
 232         }
 233
 234         /* Save for completion so we can release these resources */
 235         cmdiocbq->rsp_dmabuf = mp;
 236         cmdiocbq->bpl_dmabuf = bmp;
 237         cmdiocbq->cmd_cmpl = lpfc_ct_unsol_cmpl;
 238         tmo = (3 * phba->fc_ratov);
 239
 240         cmdiocbq->retry = 0;
 241         cmdiocbq->vport = vport;
 242         cmdiocbq->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
 243
 244         cmdiocbq->ndlp = lpfc_nlp_get(ndlp);
 245         if (!cmdiocbq->ndlp)
 246                 goto ct_no_ndlp;
 247
 248         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
 249         if (rc) {
 250                 lpfc_nlp_put(ndlp);
 251                 goto ct_no_ndlp;
 252         }
 253         return;
 254
 255 ct_no_ndlp:
 256         rc = 6;
 257         lpfc_sli_release_iocbq(phba, cmdiocbq);
 258 ct_free_bmpvirt:
 259         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
 260 ct_free_bmp:
 261         kfree(bmp);
 262 ct_free_mpvirt:
 263         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 264 ct_free_mp:
 265         kfree(mp);
 266 ct_exit:
 267         lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 268                          "6440 Unsol CT: Rsp err %d Data: x%lx\n",
 269                          rc, vport->fc_flag);
 270 }
 271
 272 /**
 273  * lpfc_ct_handle_mibreq - Process an unsolicited CT MIB request data buffer
 274  * @phba: pointer to lpfc hba data structure.
 275  * @ctiocbq: pointer to lpfc CT command iocb data structure.
 276  *
 277  * This routine is used for processing the IOCB associated with a unsolicited
 278  * CT MIB request. It first determines whether there is an existing ndlp that
 279  * matches the DID from the unsolicited IOCB. If not, it will return.
 280  **/
 281 static void
 282 lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq)
 283 {
 284         struct lpfc_sli_ct_request *ct_req;
 285         struct lpfc_nodelist *ndlp = NULL;
 286         struct lpfc_vport *vport = ctiocbq->vport;
 287         u32 ulp_status = get_job_ulpstatus(phba, ctiocbq);
 288         u32 ulp_word4 = get_job_word4(phba, ctiocbq);
 289         u32 did;
 290         u16 mi_cmd;
 291
 292         did = bf_get(els_rsp64_sid, &ctiocbq->wqe.xmit_els_rsp);
 293         if (ulp_status) {
 294                 lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS,
 295                               "6438 Unsol CT: status:x%x/x%x did : x%x\n",
 296                               ulp_status, ulp_word4, did);
 297                 return;
 298         }
 299
 300         /* Ignore traffic received during vport shutdown */
 301         if (test_bit(FC_UNLOADING, &vport->load_flag))
 302                 return;
 303
 304         ndlp = lpfc_findnode_did(vport, did);
 305         if (!ndlp) {
 306                 lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS,
 307                               "6439 Unsol CT: NDLP Not Found for DID : x%x",
 308                               did);
 309                 return;
 310         }
 311
 312         ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
 313
 314         mi_cmd = be16_to_cpu(ct_req->CommandResponse.bits.CmdRsp);
 315         lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS,
 316                       "6442 MI Cmd : x%x Not Supported\n", mi_cmd);
 317         lpfc_ct_reject_event(ndlp, ct_req,
 318                              bf_get(wqe_ctxt_tag,
 319                                     &ctiocbq->wqe.xmit_els_rsp.wqe_com),
 320                              bf_get(wqe_rcvoxid,
 321                                     &ctiocbq->wqe.xmit_els_rsp.wqe_com));
 322 }
 323
 324 /**
 325  * lpfc_ct_unsol_event - Process an unsolicited event from a ct sli ring
 326  * @phba: pointer to lpfc hba data structure.
 327  * @pring: pointer to a SLI ring.
 328  * @ctiocbq: pointer to lpfc ct iocb data structure.
 329  *
 330  * This routine is used to process an unsolicited event received from a SLI
 331  * (Service Level Interface) ring. The actual processing of the data buffer
 332  * associated with the unsolicited event is done by invoking appropriate routine
 333  * after properly set up the iocb buffer from the SLI ring on which the
 334  * unsolicited event was received.
 335  **/
 336 void
 337 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 338                     struct lpfc_iocbq *ctiocbq)
 339 {
 340         struct lpfc_dmabuf *mp = NULL;
 341         IOCB_t *icmd = &ctiocbq->iocb;
 342         int i;
 343         struct lpfc_iocbq *iocbq;
 344         struct lpfc_iocbq *iocb;
 345         dma_addr_t dma_addr;
 346         uint32_t size;
 347         struct list_head head;
 348         struct lpfc_sli_ct_request *ct_req;
 349         struct lpfc_dmabuf *bdeBuf1 = ctiocbq->cmd_dmabuf;
 350         struct lpfc_dmabuf *bdeBuf2 = ctiocbq->bpl_dmabuf;
 351         u32 status, parameter, bde_count = 0;
 352         struct lpfc_wcqe_complete *wcqe_cmpl = NULL;
 353
 354         ctiocbq->cmd_dmabuf = NULL;
 355         ctiocbq->rsp_dmabuf = NULL;
 356         ctiocbq->bpl_dmabuf = NULL;
 357
 358         wcqe_cmpl = &ctiocbq->wcqe_cmpl;
 359         status = get_job_ulpstatus(phba, ctiocbq);
 360         parameter = get_job_word4(phba, ctiocbq);
 361         if (phba->sli_rev == LPFC_SLI_REV4)
 362                 bde_count = wcqe_cmpl->word3;
 363         else
 364                 bde_count = icmd->ulpBdeCount;
 365
 366         if (unlikely(status == IOSTAT_NEED_BUFFER)) {
 367                 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
 368         } else if ((status == IOSTAT_LOCAL_REJECT) &&
 369                    ((parameter & IOERR_PARAM_MASK) ==
 370                    IOERR_RCV_BUFFER_WAITING)) {
 371                 /* Not enough posted buffers; Try posting more buffers */
 372                 phba->fc_stat.NoRcvBuf++;
 373                 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 374                         lpfc_sli3_post_buffer(phba, pring, 2);
 375                 return;
 376         }
 377
 378         /* If there are no BDEs associated
 379          * with this IOCB, there is nothing to do.
 380          */
 381         if (bde_count == 0)
 382                 return;
 383
 384         ctiocbq->cmd_dmabuf = bdeBuf1;
 385         if (bde_count == 2)
 386                 ctiocbq->bpl_dmabuf = bdeBuf2;
 387
 388         ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
 389
 390         if (ct_req->FsType == SLI_CT_MANAGEMENT_SERVICE &&
 391             ct_req->FsSubType == SLI_CT_MIB_Subtypes) {
 392                 lpfc_ct_handle_mibreq(phba, ctiocbq);
 393         } else {
 394                 if (!lpfc_bsg_ct_unsol_event(phba, pring, ctiocbq))
 395                         return;
 396         }
 397
 398         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 399                 INIT_LIST_HEAD(&head);
 400                 list_add_tail(&head, &ctiocbq->list);
 401                 list_for_each_entry(iocb, &head, list) {
 402                         if (phba->sli_rev == LPFC_SLI_REV4)
 403                                 bde_count = iocb->wcqe_cmpl.word3;
 404                         else
 405                                 bde_count = iocb->iocb.ulpBdeCount;
 406
 407                         if (!bde_count)
 408                                 continue;
 409                         bdeBuf1 = iocb->cmd_dmabuf;
 410                         iocb->cmd_dmabuf = NULL;
 411                         if (phba->sli_rev == LPFC_SLI_REV4)
 412                                 size = iocb->wqe.gen_req.bde.tus.f.bdeSize;
 413                         else
 414                                 size  = iocb->iocb.un.cont64[0].tus.f.bdeSize;
 415                         lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size);
 416                         lpfc_in_buf_free(phba, bdeBuf1);
 417                         if (bde_count == 2) {
 418                                 bdeBuf2 = iocb->bpl_dmabuf;
 419                                 iocb->bpl_dmabuf = NULL;
 420                                 if (phba->sli_rev == LPFC_SLI_REV4)
 421                                         size = iocb->unsol_rcv_len;
 422                                 else
 423                                         size = iocb->iocb.unsli3.rcvsli3.bde2.tus.f.bdeSize;
 424                                 lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2,
 425                                                      size);
 426                                 lpfc_in_buf_free(phba, bdeBuf2);
 427                         }
 428                 }
 429                 list_del(&head);
 430         } else {
 431                 INIT_LIST_HEAD(&head);
 432                 list_add_tail(&head, &ctiocbq->list);
 433                 list_for_each_entry(iocbq, &head, list) {
 434                         icmd = &iocbq->iocb;
 435                         if (icmd->ulpBdeCount == 0)
 436                                 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 437                         for (i = 0; i < icmd->ulpBdeCount; i++) {
 438                                 dma_addr = getPaddr(icmd->un.cont64[i].addrHigh,
 439                                                     icmd->un.cont64[i].addrLow);
 440                                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
 441                                                               dma_addr);
 442                                 size = icmd->un.cont64[i].tus.f.bdeSize;
 443                                 lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 444                                 lpfc_in_buf_free(phba, mp);
 445                         }
 446                         lpfc_sli3_post_buffer(phba, pring, i);
 447                 }
 448                 list_del(&head);
 449         }
 450 }
 451
 452 /**
 453  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
 454  * @phba: Pointer to HBA context object.
 455  * @dmabuf: pointer to a dmabuf that describes the FC sequence
 456  *
 457  * This function serves as the upper level protocol abort handler for CT
 458  * protocol.
 459  *
 460  * Return 1 if abort has been handled, 0 otherwise.
 461  **/
 462 int
 463 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
 464 {
 465         int handled;
 466
 467         /* CT upper level goes through BSG */
 468         handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
 469
 470         return handled;
 471 }
 472
 473 static void
 474 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 475 {
 476         struct lpfc_dmabuf *mlast, *next_mlast;
 477
 478         list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 479                 list_del(&mlast->list);
 480                 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 481                 kfree(mlast);
 482         }
 483         lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 484         kfree(mlist);
 485         return;
 486 }
 487
 488 static struct lpfc_dmabuf *
 489 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, __be16 cmdcode, struct ulp_bde64 *bpl,
 490                   uint32_t size, int *entries)
 491 {
 492         struct lpfc_dmabuf *mlist = NULL;
 493         struct lpfc_dmabuf *mp;
 494         int cnt, i = 0;
 495
 496         /* We get chunks of FCELSSIZE */
 497         cnt = size > FCELSSIZE ? FCELSSIZE: size;
 498
 499         while (size) {
 500                 /* Allocate buffer for rsp payload */
 501                 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 502                 if (!mp) {
 503                         if (mlist)
 504                                 lpfc_free_ct_rsp(phba, mlist);
 505                         return NULL;
 506                 }
 507
 508                 INIT_LIST_HEAD(&mp->list);
 509
 510                 if (be16_to_cpu(cmdcode) == SLI_CTNS_GID_FT ||
 511                     be16_to_cpu(cmdcode) == SLI_CTNS_GFF_ID)
 512                         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 513                 else
 514                         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 515
 516                 if (!mp->virt) {
 517                         kfree(mp);
 518                         if (mlist)
 519                                 lpfc_free_ct_rsp(phba, mlist);
 520                         return NULL;
 521                 }
 522
 523                 /* Queue it to a linked list */
 524                 if (!mlist)
 525                         mlist = mp;
 526                 else
 527                         list_add_tail(&mp->list, &mlist->list);
 528
 529                 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 530                 /* build buffer ptr list for IOCB */
 531                 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 532                 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 533                 bpl->tus.f.bdeSize = (uint16_t) cnt;
 534                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
 535                 bpl++;
 536
 537                 i++;
 538                 size -= cnt;
 539         }
 540
 541         *entries = i;
 542         return mlist;
 543 }
 544
 545 int
 546 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 547 {
 548         struct lpfc_dmabuf *buf_ptr;
 549
 550         /* IOCBQ job structure gets cleaned during release.  Just release
 551          * the dma buffers here.
 552          */
 553         if (ctiocb->cmd_dmabuf) {
 554                 buf_ptr = ctiocb->cmd_dmabuf;
 555                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 556                 kfree(buf_ptr);
 557                 ctiocb->cmd_dmabuf = NULL;
 558         }
 559         if (ctiocb->rsp_dmabuf) {
 560                 lpfc_free_ct_rsp(phba, ctiocb->rsp_dmabuf);
 561                 ctiocb->rsp_dmabuf = NULL;
 562         }
 563
 564         if (ctiocb->bpl_dmabuf) {
 565                 buf_ptr = ctiocb->bpl_dmabuf;
 566                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 567                 kfree(buf_ptr);
 568                 ctiocb->bpl_dmabuf = NULL;
 569         }
 570         lpfc_sli_release_iocbq(phba, ctiocb);
 571         return 0;
 572 }
 573
 574 /*
 575  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
 576  * @vport: pointer to a host virtual N_Port data structure.
 577  * @bmp: Pointer to BPL for SLI command
 578  * @inp: Pointer to data buffer for response data.
 579  * @outp: Pointer to data buffer that hold the CT command.
 580  * @cmpl: completion routine to call when command completes
 581  * @ndlp: Destination NPort nodelist entry
 582  *
 583  * This function as the final part for issuing a CT command.
 584  */
 585 static int
 586 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 587              struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 588              void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
 589                           struct lpfc_iocbq *),
 590              struct lpfc_nodelist *ndlp, uint32_t event_tag, uint32_t num_entry,
 591              uint32_t tmo, uint8_t retry)
 592 {
 593         struct lpfc_hba  *phba = vport->phba;
 594         struct lpfc_iocbq *geniocb;
 595         int rc;
 596         u16 ulp_context;
 597
 598         /* Allocate buffer for  command iocb */
 599         geniocb = lpfc_sli_get_iocbq(phba);
 600
 601         if (geniocb == NULL)
 602                 return 1;
 603
 604         /* Update the num_entry bde count */
 605         geniocb->num_bdes = num_entry;
 606
 607         geniocb->bpl_dmabuf = bmp;
 608
 609         /* Save for completion so we can release these resources */
 610         geniocb->cmd_dmabuf = inp;
 611         geniocb->rsp_dmabuf = outp;
 612
 613         geniocb->event_tag = event_tag;
 614
 615         if (!tmo) {
 616                  /* FC spec states we need 3 * ratov for CT requests */
 617                 tmo = (3 * phba->fc_ratov);
 618         }
 619
 620         if (phba->sli_rev == LPFC_SLI_REV4)
 621                 ulp_context = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 622         else
 623                 ulp_context = ndlp->nlp_rpi;
 624
 625         lpfc_sli_prep_gen_req(phba, geniocb, bmp, ulp_context, num_entry, tmo);
 626
 627         /* Issue GEN REQ IOCB for NPORT <did> */
 628         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 629                          "0119 Issue GEN REQ IOCB to NPORT x%x "
 630                          "Data: x%x x%x\n",
 631                          ndlp->nlp_DID, geniocb->iotag,
 632                          vport->port_state);
 633         geniocb->cmd_cmpl = cmpl;
 634         geniocb->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
 635         geniocb->vport = vport;
 636         geniocb->retry = retry;
 637         geniocb->ndlp = lpfc_nlp_get(ndlp);
 638         if (!geniocb->ndlp)
 639                 goto out;
 640
 641         rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
 642         if (rc == IOCB_ERROR) {
 643                 lpfc_nlp_put(ndlp);
 644                 goto out;
 645         }
 646
 647         return 0;
 648 out:
 649         lpfc_sli_release_iocbq(phba, geniocb);
 650         return 1;
 651 }
 652
 653 /*
 654  * lpfc_ct_cmd - Build and issue a CT command
 655  * @vport: pointer to a host virtual N_Port data structure.
 656  * @inmp: Pointer to data buffer for response data.
 657  * @bmp: Pointer to BPL for SLI command
 658  * @ndlp: Destination NPort nodelist entry
 659  * @cmpl: completion routine to call when command completes
 660  *
 661  * This function is called for issuing a CT command.
 662  */
 663 static int
 664 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 665             struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 666             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 667                           struct lpfc_iocbq *),
 668             uint32_t rsp_size, uint8_t retry)
 669 {
 670         struct lpfc_hba  *phba = vport->phba;
 671         struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 672         struct lpfc_dmabuf *outmp;
 673         int cnt = 0, status;
 674         __be16 cmdcode = ((struct lpfc_sli_ct_request *)inmp->virt)->
 675                 CommandResponse.bits.CmdRsp;
 676
 677         bpl++;                  /* Skip past ct request */
 678
 679         /* Put buffer(s) for ct rsp in bpl */
 680         outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 681         if (!outmp)
 682                 return -ENOMEM;
 683         /*
 684          * Form the CT IOCB.  The total number of BDEs in this IOCB
 685          * is the single command plus response count from
 686          * lpfc_alloc_ct_rsp.
 687          */
 688         cnt += 1;
 689         status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp,
 690                         phba->fc_eventTag, cnt, 0, retry);
 691         if (status) {
 692                 lpfc_free_ct_rsp(phba, outmp);
 693                 return -ENOMEM;
 694         }
 695         return 0;
 696 }
 697
 698 struct lpfc_vport *
 699 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 700         struct lpfc_vport *vport_curr;
 701         unsigned long flags;
 702
 703         spin_lock_irqsave(&phba->port_list_lock, flags);
 704         list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 705                 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 706                         spin_unlock_irqrestore(&phba->port_list_lock, flags);
 707                         return vport_curr;
 708                 }
 709         }
 710         spin_unlock_irqrestore(&phba->port_list_lock, flags);
 711         return NULL;
 712 }
 713
 714 static void
 715 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 716 {
 717         struct lpfc_nodelist *ndlp;
 718
 719         if ((vport->port_type != LPFC_NPIV_PORT) ||
 720             !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
 721
 722                 ndlp = lpfc_setup_disc_node(vport, Did);
 723
 724                 if (ndlp) {
 725                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 726                                 "Parse GID_FTrsp: did:x%x flg:x%lx x%x",
 727                                 Did, ndlp->nlp_flag, vport->fc_flag);
 728
 729                         /* By default, the driver expects to support FCP FC4 */
 730                         if (fc4_type == FC_TYPE_FCP)
 731                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 732
 733                         if (fc4_type == FC_TYPE_NVME)
 734                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 735
 736                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 737                                          "0238 Process x%06x NameServer Rsp "
 738                                          "Data: x%x x%x x%x x%lx x%x\n", Did,
 739                                          ndlp->nlp_flag, ndlp->nlp_fc4_type,
 740                                          ndlp->nlp_state, vport->fc_flag,
 741                                          vport->fc_rscn_id_cnt);
 742
 743                         /* if ndlp needs to be discovered and prior
 744                          * state of ndlp hit devloss, change state to
 745                          * allow rediscovery.
 746                          */
 747                         if (ndlp->nlp_flag & NLP_NPR_2B_DISC &&
 748                             ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
 749                                 lpfc_nlp_set_state(vport, ndlp,
 750                                                    NLP_STE_NPR_NODE);
 751                         }
 752                 } else {
 753                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 754                                 "Skip1 GID_FTrsp: did:x%x flg:x%lx cnt:%d",
 755                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 756
 757                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 758                                          "0239 Skip x%06x NameServer Rsp "
 759                                          "Data: x%lx x%x x%px\n",
 760                                          Did, vport->fc_flag,
 761                                          vport->fc_rscn_id_cnt, ndlp);
 762                 }
 763         } else {
 764                 if (!test_bit(FC_RSCN_MODE, &vport->fc_flag) ||
 765                     lpfc_rscn_payload_check(vport, Did)) {
 766                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 767                                 "Query GID_FTrsp: did:x%x flg:x%lx cnt:%d",
 768                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 769
 770                         /*
 771                          * This NPortID was previously a FCP/NVMe target,
 772                          * Don't even bother to send GFF_ID.
 773                          */
 774                         ndlp = lpfc_findnode_did(vport, Did);
 775                         if (ndlp &&
 776                             (ndlp->nlp_type &
 777                             (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
 778                                 if (fc4_type == FC_TYPE_FCP)
 779                                         ndlp->nlp_fc4_type |= NLP_FC4_FCP;
 780                                 if (fc4_type == FC_TYPE_NVME)
 781                                         ndlp->nlp_fc4_type |= NLP_FC4_NVME;
 782                                 lpfc_setup_disc_node(vport, Did);
 783                         } else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 784                                    0, Did) == 0)
 785                                 vport->num_disc_nodes++;
 786                         else
 787                                 lpfc_setup_disc_node(vport, Did);
 788                 } else {
 789                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 790                                 "Skip2 GID_FTrsp: did:x%x flg:x%lx cnt:%d",
 791                                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
 792
 793                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 794                                          "0245 Skip x%06x NameServer Rsp "
 795                                          "Data: x%lx x%x\n", Did,
 796                                          vport->fc_flag,
 797                                          vport->fc_rscn_id_cnt);
 798                 }
 799         }
 800 }
 801
 802 static void
 803 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
 804 {
 805         struct lpfc_hba *phba = vport->phba;
 806         struct lpfc_nodelist *ndlp = NULL;
 807         char *str;
 808
 809         if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
 810                 str = "GID_FT";
 811         else
 812                 str = "GID_PT";
 813         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 814                          "6430 Process %s rsp for %08x type %x %s %s\n",
 815                          str, Did, fc4_type,
 816                          (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
 817                          (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
 818         /*
 819          * To conserve rpi's, filter out addresses for other
 820          * vports on the same physical HBAs.
 821          */
 822         if (Did != vport->fc_myDID &&
 823             (!lpfc_find_vport_by_did(phba, Did) ||
 824              vport->cfg_peer_port_login)) {
 825                 if (!phba->nvmet_support) {
 826                         /* FCPI/NVMEI path. Process Did */
 827                         lpfc_prep_node_fc4type(vport, Did, fc4_type);
 828                         return;
 829                 }
 830                 /* NVMET path.  NVMET only cares about NVMEI nodes. */
 831                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 832                         if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
 833                             ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
 834                                 continue;
 835                         spin_lock_irq(&ndlp->lock);
 836                         if (ndlp->nlp_DID == Did)
 837                                 ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 838                         else
 839                                 ndlp->nlp_flag |= NLP_NVMET_RECOV;
 840                         spin_unlock_irq(&ndlp->lock);
 841                 }
 842         }
 843 }
 844
 845 static int
 846 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
 847             uint32_t Size)
 848 {
 849         struct lpfc_sli_ct_request *Response =
 850                 (struct lpfc_sli_ct_request *) mp->virt;
 851         struct lpfc_dmabuf *mlast, *next_mp;
 852         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 853         uint32_t Did, CTentry;
 854         int Cnt;
 855         struct list_head head;
 856         struct lpfc_nodelist *ndlp = NULL;
 857
 858         lpfc_set_disctmo(vport);
 859         vport->num_disc_nodes = 0;
 860         vport->fc_ns_retry = 0;
 861
 862
 863         list_add_tail(&head, &mp->list);
 864         list_for_each_entry_safe(mp, next_mp, &head, list) {
 865                 mlast = mp;
 866
 867                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 868
 869                 Size -= Cnt;
 870
 871                 if (!ctptr) {
 872                         ctptr = (uint32_t *) mlast->virt;
 873                 } else
 874                         Cnt -= 16;      /* subtract length of CT header */
 875
 876                 /* Loop through entire NameServer list of DIDs */
 877                 while (Cnt >= sizeof(uint32_t)) {
 878                         /* Get next DID from NameServer List */
 879                         CTentry = *ctptr++;
 880                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 881                         lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
 882                         if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
 883                                 goto nsout1;
 884
 885                         Cnt -= sizeof(uint32_t);
 886                 }
 887                 ctptr = NULL;
 888
 889         }
 890
 891         /* All GID_FT entries processed.  If the driver is running in
 892          * in target mode, put impacted nodes into recovery and drop
 893          * the RPI to flush outstanding IO.
 894          */
 895         if (vport->phba->nvmet_support) {
 896                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 897                         if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
 898                                 continue;
 899                         lpfc_disc_state_machine(vport, ndlp, NULL,
 900                                                 NLP_EVT_DEVICE_RECOVERY);
 901                         spin_lock_irq(&ndlp->lock);
 902                         ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
 903                         spin_unlock_irq(&ndlp->lock);
 904                 }
 905         }
 906
 907 nsout1:
 908         list_del(&head);
 909         return 0;
 910 }
 911
 912 static void
 913 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 914                         struct lpfc_iocbq *rspiocb)
 915 {
 916         struct lpfc_vport *vport = cmdiocb->vport;
 917         struct lpfc_dmabuf *outp;
 918         struct lpfc_dmabuf *inp;
 919         struct lpfc_sli_ct_request *CTrsp;
 920         struct lpfc_sli_ct_request *CTreq;
 921         struct lpfc_nodelist *ndlp;
 922         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
 923         u32 ulp_word4 = get_job_word4(phba, rspiocb);
 924         int rc, type;
 925
 926         /* First save ndlp, before we overwrite it */
 927         ndlp = cmdiocb->ndlp;
 928
 929         /* we pass cmdiocb to state machine which needs rspiocb as well */
 930         cmdiocb->rsp_iocb = rspiocb;
 931         inp = cmdiocb->cmd_dmabuf;
 932         outp = cmdiocb->rsp_dmabuf;
 933
 934         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 935                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 936                 ulp_status, ulp_word4, vport->fc_ns_retry);
 937
 938         /* Ignore response if link flipped after this request was made */
 939         if (cmdiocb->event_tag != phba->fc_eventTag) {
 940                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 941                                  "9043 Event tag mismatch. Ignoring NS rsp\n");
 942                 goto out;
 943         }
 944
 945         /* Skip processing response on pport if unloading */
 946         if (vport == phba->pport && test_bit(FC_UNLOADING, &vport->load_flag)) {
 947                 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
 948                         lpfc_els_flush_rscn(vport);
 949                 goto out;
 950         }
 951
 952         if (lpfc_els_chk_latt(vport)) {
 953                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 954                                  "0216 Link event during NS query\n");
 955                 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
 956                         lpfc_els_flush_rscn(vport);
 957                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 958                 goto out;
 959         }
 960         if (lpfc_error_lost_link(vport, ulp_status, ulp_word4)) {
 961                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 962                                  "0226 NS query failed due to link event: "
 963                                  "ulp_status x%x ulp_word4 x%x fc_flag x%lx "
 964                                  "port_state x%x gidft_inp x%x\n",
 965                                  ulp_status, ulp_word4, vport->fc_flag,
 966                                  vport->port_state, vport->gidft_inp);
 967                 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
 968                         lpfc_els_flush_rscn(vport);
 969                 if (vport->gidft_inp)
 970                         vport->gidft_inp--;
 971                 goto out;
 972         }
 973
 974         if (test_and_clear_bit(FC_RSCN_DEFERRED, &vport->fc_flag)) {
 975                 /* This is a GID_FT completing so the gidft_inp counter was
 976                  * incremented before the GID_FT was issued to the wire.
 977                  */
 978                 if (vport->gidft_inp)
 979                         vport->gidft_inp--;
 980
 981                 /*
 982                  * Skip processing the NS response
 983                  * Re-issue the NS cmd
 984                  */
 985                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 986                                  "0151 Process Deferred RSCN Data: x%lx x%x\n",
 987                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 988                 lpfc_els_handle_rscn(vport);
 989
 990                 goto out;
 991         }
 992
 993         if (ulp_status) {
 994                 /* Check for retry */
 995                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 996                         if (ulp_status != IOSTAT_LOCAL_REJECT ||
 997                             (ulp_word4 & IOERR_PARAM_MASK) !=
 998                             IOERR_NO_RESOURCES)
 999                                 vport->fc_ns_retry++;
1000
1001                         type = lpfc_get_gidft_type(vport, cmdiocb);
1002                         if (type == 0)
1003                                 goto out;
1004
1005                         /* CT command is being retried */
1006                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
1007                                          vport->fc_ns_retry, type);
1008                         if (rc == 0)
1009                                 goto out;
1010                         else { /* Unable to send NS cmd */
1011                                 if (vport->gidft_inp)
1012                                         vport->gidft_inp--;
1013                         }
1014                 }
1015                 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1016                         lpfc_els_flush_rscn(vport);
1017                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1018                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1019                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
1020                                  ulp_status, vport->fc_ns_retry);
1021         } else {
1022                 /* Good status, continue checking */
1023                 CTreq = (struct lpfc_sli_ct_request *) inp->virt;
1024                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1025                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1026                     cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1027                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1028                                          "0208 NameServer Rsp Data: x%lx x%x "
1029                                          "x%x x%x sz x%x\n",
1030                                          vport->fc_flag,
1031                                          CTreq->un.gid.Fc4Type,
1032                                          vport->num_disc_nodes,
1033                                          vport->gidft_inp,
1034                                          get_job_data_placed(phba, rspiocb));
1035
1036                         lpfc_ns_rsp(vport,
1037                                     outp,
1038                                     CTreq->un.gid.Fc4Type,
1039                                     get_job_data_placed(phba, rspiocb));
1040                 } else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1041                            SLI_CT_RESPONSE_FS_RJT) {
1042                         /* NameServer Rsp Error */
1043                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1044                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1045                                 lpfc_printf_vlog(vport, KERN_INFO,
1046                                         LOG_DISCOVERY,
1047                                         "0269 No NameServer Entries "
1048                                         "Data: x%x x%x x%x x%lx\n",
1049                                         be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1050                                         (uint32_t) CTrsp->ReasonCode,
1051                                         (uint32_t) CTrsp->Explanation,
1052                                         vport->fc_flag);
1053
1054                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1055                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
1056                                 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1057                                 (uint32_t) CTrsp->ReasonCode,
1058                                 (uint32_t) CTrsp->Explanation);
1059                         } else {
1060                                 lpfc_printf_vlog(vport, KERN_INFO,
1061                                         LOG_DISCOVERY,
1062                                         "0240 NameServer Rsp Error "
1063                                         "Data: x%x x%x x%x x%lx\n",
1064                                         be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1065                                         (uint32_t) CTrsp->ReasonCode,
1066                                         (uint32_t) CTrsp->Explanation,
1067                                         vport->fc_flag);
1068
1069                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1070                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1071                                 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1072                                 (uint32_t) CTrsp->ReasonCode,
1073                                 (uint32_t) CTrsp->Explanation);
1074                         }
1075
1076
1077                 } else {
1078                         /* NameServer Rsp Error */
1079                         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1080                                         "0241 NameServer Rsp Error "
1081                                         "Data: x%x x%x x%x x%lx\n",
1082                                         be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1083                                         (uint32_t) CTrsp->ReasonCode,
1084                                         (uint32_t) CTrsp->Explanation,
1085                                         vport->fc_flag);
1086
1087                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1088                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1089                                 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1090                                 (uint32_t) CTrsp->ReasonCode,
1091                                 (uint32_t) CTrsp->Explanation);
1092                 }
1093                 if (vport->gidft_inp)
1094                         vport->gidft_inp--;
1095         }
1096
1097         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1098                          "4216 GID_FT cmpl inp %d disc %d\n",
1099                          vport->gidft_inp, vport->num_disc_nodes);
1100
1101         /* Link up / RSCN discovery */
1102         if ((vport->num_disc_nodes == 0) &&
1103             (vport->gidft_inp == 0)) {
1104                 /*
1105                  * The driver has cycled through all Nports in the RSCN payload.
1106                  * Complete the handling by cleaning up and marking the
1107                  * current driver state.
1108                  */
1109                 if (vport->port_state >= LPFC_DISC_AUTH) {
1110                         if (test_bit(FC_RSCN_MODE, &vport->fc_flag)) {
1111                                 lpfc_els_flush_rscn(vport);
1112                                 /* RSCN still */
1113                                 set_bit(FC_RSCN_MODE, &vport->fc_flag);
1114                         } else {
1115                                 lpfc_els_flush_rscn(vport);
1116                         }
1117                 }
1118
1119                 lpfc_disc_start(vport);
1120         }
1121 out:
1122         lpfc_ct_free_iocb(phba, cmdiocb);
1123         lpfc_nlp_put(ndlp);
1124         return;
1125 }
1126
1127 static void
1128 lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1129                         struct lpfc_iocbq *rspiocb)
1130 {
1131         struct lpfc_vport *vport = cmdiocb->vport;
1132         struct lpfc_dmabuf *outp;
1133         struct lpfc_dmabuf *inp;
1134         struct lpfc_sli_ct_request *CTrsp;
1135         struct lpfc_sli_ct_request *CTreq;
1136         struct lpfc_nodelist *ndlp;
1137         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1138         u32 ulp_word4 = get_job_word4(phba, rspiocb);
1139         int rc;
1140
1141         /* First save ndlp, before we overwrite it */
1142         ndlp = cmdiocb->ndlp;
1143
1144         /* we pass cmdiocb to state machine which needs rspiocb as well */
1145         cmdiocb->rsp_iocb = rspiocb;
1146         inp = cmdiocb->cmd_dmabuf;
1147         outp = cmdiocb->rsp_dmabuf;
1148
1149         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1150                               "GID_PT cmpl:     status:x%x/x%x rtry:%d",
1151                               ulp_status, ulp_word4,
1152                               vport->fc_ns_retry);
1153
1154         /* Ignore response if link flipped after this request was made */
1155         if (cmdiocb->event_tag != phba->fc_eventTag) {
1156                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1157                                  "9044 Event tag mismatch. Ignoring NS rsp\n");
1158                 goto out;
1159         }
1160
1161         /* Skip processing response on pport if unloading */
1162         if (vport == phba->pport && test_bit(FC_UNLOADING, &vport->load_flag)) {
1163                 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1164                         lpfc_els_flush_rscn(vport);
1165                 goto out;
1166         }
1167
1168         if (lpfc_els_chk_latt(vport)) {
1169                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1170                                  "4108 Link event during NS query\n");
1171                 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1172                         lpfc_els_flush_rscn(vport);
1173                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1174                 goto out;
1175         }
1176         if (lpfc_error_lost_link(vport, ulp_status, ulp_word4)) {
1177                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1178                                  "4166 NS query failed due to link event: "
1179                                  "ulp_status x%x ulp_word4 x%x fc_flag x%lx "
1180                                  "port_state x%x gidft_inp x%x\n",
1181                                  ulp_status, ulp_word4, vport->fc_flag,
1182                                  vport->port_state, vport->gidft_inp);
1183                 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1184                         lpfc_els_flush_rscn(vport);
1185                 if (vport->gidft_inp)
1186                         vport->gidft_inp--;
1187                 goto out;
1188         }
1189
1190         if (test_and_clear_bit(FC_RSCN_DEFERRED, &vport->fc_flag)) {
1191                 /* This is a GID_PT completing so the gidft_inp counter was
1192                  * incremented before the GID_PT was issued to the wire.
1193                  */
1194                 if (vport->gidft_inp)
1195                         vport->gidft_inp--;
1196
1197                 /*
1198                  * Skip processing the NS response
1199                  * Re-issue the NS cmd
1200                  */
1201                 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
1202                                  "4167 Process Deferred RSCN Data: x%lx x%x\n",
1203                                  vport->fc_flag, vport->fc_rscn_id_cnt);
1204                 lpfc_els_handle_rscn(vport);
1205
1206                 goto out;
1207         }
1208
1209         if (ulp_status) {
1210                 /* Check for retry */
1211                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1212                         if (ulp_status != IOSTAT_LOCAL_REJECT ||
1213                             (ulp_word4 & IOERR_PARAM_MASK) !=
1214                             IOERR_NO_RESOURCES)
1215                                 vport->fc_ns_retry++;
1216
1217                         /* CT command is being retried */
1218                         rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
1219                                          vport->fc_ns_retry, GID_PT_N_PORT);
1220                         if (rc == 0)
1221                                 goto out;
1222                         else { /* Unable to send NS cmd */
1223                                 if (vport->gidft_inp)
1224                                         vport->gidft_inp--;
1225                         }
1226                 }
1227                 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1228                         lpfc_els_flush_rscn(vport);
1229                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1230                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1231                                  "4103 GID_FT Query error: 0x%x 0x%x\n",
1232                                  ulp_status, vport->fc_ns_retry);
1233         } else {
1234                 /* Good status, continue checking */
1235                 CTreq = (struct lpfc_sli_ct_request *)inp->virt;
1236                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1237                 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1238                     SLI_CT_RESPONSE_FS_ACC) {
1239                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1240                                          "4105 NameServer Rsp Data: x%lx x%x "
1241                                          "x%x x%x sz x%x\n",
1242                                          vport->fc_flag,
1243                                          CTreq->un.gid.Fc4Type,
1244                                          vport->num_disc_nodes,
1245                                          vport->gidft_inp,
1246                                          get_job_data_placed(phba, rspiocb));
1247
1248                         lpfc_ns_rsp(vport,
1249                                     outp,
1250                                     CTreq->un.gid.Fc4Type,
1251                                     get_job_data_placed(phba, rspiocb));
1252                 } else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1253                            SLI_CT_RESPONSE_FS_RJT) {
1254                         /* NameServer Rsp Error */
1255                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1256                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1257                                 lpfc_printf_vlog(
1258                                         vport, KERN_INFO, LOG_DISCOVERY,
1259                                         "4106 No NameServer Entries "
1260                                         "Data: x%x x%x x%x x%lx\n",
1261                                         be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1262                                         (uint32_t)CTrsp->ReasonCode,
1263                                         (uint32_t)CTrsp->Explanation,
1264                                         vport->fc_flag);
1265
1266                                 lpfc_debugfs_disc_trc(
1267                                 vport, LPFC_DISC_TRC_CT,
1268                                 "GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
1269                                 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1270                                 (uint32_t)CTrsp->ReasonCode,
1271                                 (uint32_t)CTrsp->Explanation);
1272                         } else {
1273                                 lpfc_printf_vlog(
1274                                         vport, KERN_INFO, LOG_DISCOVERY,
1275                                         "4107 NameServer Rsp Error "
1276                                         "Data: x%x x%x x%x x%lx\n",
1277                                         be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1278                                         (uint32_t)CTrsp->ReasonCode,
1279                                         (uint32_t)CTrsp->Explanation,
1280                                         vport->fc_flag);
1281
1282                                 lpfc_debugfs_disc_trc(
1283                                 vport, LPFC_DISC_TRC_CT,
1284                                 "GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1285                                 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1286                                 (uint32_t)CTrsp->ReasonCode,
1287                                 (uint32_t)CTrsp->Explanation);
1288                         }
1289                 } else {
1290                         /* NameServer Rsp Error */
1291                         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1292                                          "4109 NameServer Rsp Error "
1293                                          "Data: x%x x%x x%x x%lx\n",
1294                                          be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1295                                          (uint32_t)CTrsp->ReasonCode,
1296                                          (uint32_t)CTrsp->Explanation,
1297                                          vport->fc_flag);
1298
1299                         lpfc_debugfs_disc_trc(
1300                                 vport, LPFC_DISC_TRC_CT,
1301                                 "GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1302                                 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1303                                 (uint32_t)CTrsp->ReasonCode,
1304                                 (uint32_t)CTrsp->Explanation);
1305                 }
1306                 if (vport->gidft_inp)
1307                         vport->gidft_inp--;
1308         }
1309
1310         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1311                          "6450 GID_PT cmpl inp %d disc %d\n",
1312                          vport->gidft_inp, vport->num_disc_nodes);
1313
1314         /* Link up / RSCN discovery */
1315         if ((vport->num_disc_nodes == 0) &&
1316             (vport->gidft_inp == 0)) {
1317                 /*
1318                  * The driver has cycled through all Nports in the RSCN payload.
1319                  * Complete the handling by cleaning up and marking the
1320                  * current driver state.
1321                  */
1322                 if (vport->port_state >= LPFC_DISC_AUTH) {
1323                         if (test_bit(FC_RSCN_MODE, &vport->fc_flag)) {
1324                                 lpfc_els_flush_rscn(vport);
1325                                 /* RSCN still */
1326                                 set_bit(FC_RSCN_MODE, &vport->fc_flag);
1327                         } else {
1328                                 lpfc_els_flush_rscn(vport);
1329                         }
1330                 }
1331
1332                 lpfc_disc_start(vport);
1333         }
1334 out:
1335         lpfc_ct_free_iocb(phba, cmdiocb);
1336         lpfc_nlp_put(ndlp);
1337 }
1338
1339 static void
1340 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1341                         struct lpfc_iocbq *rspiocb)
1342 {
1343         struct lpfc_vport *vport = cmdiocb->vport;
1344         struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1345         struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1346         struct lpfc_sli_ct_request *CTrsp;
1347         int did, rc, retry;
1348         uint8_t fbits;
1349         struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL;
1350         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1351         u32 ulp_word4 = get_job_word4(phba, rspiocb);
1352
1353         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1354         did = be32_to_cpu(did);
1355
1356         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1357                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
1358                 ulp_status, ulp_word4, did);
1359
1360         /* Ignore response if link flipped after this request was made */
1361         if (cmdiocb->event_tag != phba->fc_eventTag) {
1362                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1363                                  "9045 Event tag mismatch. Ignoring NS rsp\n");
1364                 goto iocb_free;
1365         }
1366
1367         if (ulp_status == IOSTAT_SUCCESS) {
1368                 /* Good status, continue checking */
1369                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1370                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1371
1372                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1373                                  "6431 Process GFF_ID rsp for %08x "
1374                                  "fbits %02x %s %s\n",
1375                                  did, fbits,
1376                                  (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1377                                  (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1378
1379                 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1380                     SLI_CT_RESPONSE_FS_ACC) {
1381                         if ((fbits & FC4_FEATURE_INIT) &&
1382                             !(fbits & FC4_FEATURE_TARGET)) {
1383                                 lpfc_printf_vlog(vport, KERN_INFO,
1384                                                  LOG_DISCOVERY,
1385                                                  "0270 Skip x%x GFF "
1386                                                  "NameServer Rsp Data: (init) "
1387                                                  "x%x x%x\n", did, fbits,
1388                                                  vport->fc_rscn_id_cnt);
1389                                 goto out;
1390                         }
1391                 }
1392         }
1393         else {
1394                 /* Check for retry */
1395                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1396                         retry = 1;
1397                         if (ulp_status == IOSTAT_LOCAL_REJECT) {
1398                                 switch ((ulp_word4 &
1399                                         IOERR_PARAM_MASK)) {
1400
1401                                 case IOERR_NO_RESOURCES:
1402                                         /* We don't increment the retry
1403                                          * count for this case.
1404                                          */
1405                                         break;
1406                                 case IOERR_LINK_DOWN:
1407                                 case IOERR_SLI_ABORTED:
1408                                 case IOERR_SLI_DOWN:
1409                                         retry = 0;
1410                                         break;
1411                                 default:
1412                                         cmdiocb->retry++;
1413                                 }
1414                         }
1415                         else
1416                                 cmdiocb->retry++;
1417
1418                         if (retry) {
1419                                 /* CT command is being retried */
1420                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1421                                          cmdiocb->retry, did);
1422                                 if (rc == 0) {
1423                                         /* success */
1424                                         free_ndlp = cmdiocb->ndlp;
1425                                         lpfc_ct_free_iocb(phba, cmdiocb);
1426                                         lpfc_nlp_put(free_ndlp);
1427                                         return;
1428                                 }
1429                         }
1430                 }
1431                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1432                                  "0267 NameServer GFF Rsp "
1433                                  "x%x Error (%d %d) Data: x%lx x%x\n",
1434                                  did, ulp_status, ulp_word4,
1435                                  vport->fc_flag, vport->fc_rscn_id_cnt);
1436         }
1437
1438         /* This is a target port, unregistered port, or the GFF_ID failed */
1439         ndlp = lpfc_setup_disc_node(vport, did);
1440         if (ndlp) {
1441                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1442                                  "0242 Process x%x GFF "
1443                                  "NameServer Rsp Data: x%x x%lx x%x\n",
1444                                  did, ndlp->nlp_flag, vport->fc_flag,
1445                                  vport->fc_rscn_id_cnt);
1446         } else {
1447                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1448                                  "0243 Skip x%x GFF "
1449                                  "NameServer Rsp Data: x%lx x%x\n", did,
1450                                  vport->fc_flag, vport->fc_rscn_id_cnt);
1451         }
1452 out:
1453         /* Link up / RSCN discovery */
1454         if (vport->num_disc_nodes)
1455                 vport->num_disc_nodes--;
1456
1457         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1458                          "6451 GFF_ID cmpl inp %d disc %d\n",
1459                          vport->gidft_inp, vport->num_disc_nodes);
1460
1461         if (vport->num_disc_nodes == 0) {
1462                 /*
1463                  * The driver has cycled through all Nports in the RSCN payload.
1464                  * Complete the handling by cleaning up and marking the
1465                  * current driver state.
1466                  */
1467                 if (vport->port_state >= LPFC_DISC_AUTH) {
1468                         if (test_bit(FC_RSCN_MODE, &vport->fc_flag)) {
1469                                 lpfc_els_flush_rscn(vport);
1470                                 /* RSCN still */
1471                                 set_bit(FC_RSCN_MODE, &vport->fc_flag);
1472                         } else {
1473                                 lpfc_els_flush_rscn(vport);
1474                         }
1475                 }
1476                 lpfc_disc_start(vport);
1477         }
1478
1479 iocb_free:
1480         free_ndlp = cmdiocb->ndlp;
1481         lpfc_ct_free_iocb(phba, cmdiocb);
1482         lpfc_nlp_put(free_ndlp);
1483         return;
1484 }
1485
1486 static void
1487 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1488                         struct lpfc_iocbq *rspiocb)
1489 {
1490         struct lpfc_vport *vport = cmdiocb->vport;
1491         struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1492         struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1493         struct lpfc_sli_ct_request *CTrsp;
1494         int did;
1495         struct lpfc_nodelist *ndlp = NULL;
1496         struct lpfc_nodelist *ns_ndlp = cmdiocb->ndlp;
1497         uint32_t fc4_data_0, fc4_data_1;
1498         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1499         u32 ulp_word4 = get_job_word4(phba, rspiocb);
1500
1501         did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1502         did = be32_to_cpu(did);
1503
1504         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1505                               "GFT_ID cmpl: status:x%x/x%x did:x%x",
1506                               ulp_status, ulp_word4, did);
1507
1508         /* Ignore response if link flipped after this request was made */
1509         if ((uint32_t)cmdiocb->event_tag != phba->fc_eventTag) {
1510                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1511                                  "9046 Event tag mismatch. Ignoring NS rsp\n");
1512                 goto out;
1513         }
1514
1515         if (ulp_status == IOSTAT_SUCCESS) {
1516                 /* Good status, continue checking */
1517                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1518                 fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1519                 fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1520
1521                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1522                                  "6432 Process GFT_ID rsp for %08x "
1523                                  "Data %08x %08x %s %s\n",
1524                                  did, fc4_data_0, fc4_data_1,
1525                                  (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1526                                   "FCP" : " ",
1527                                  (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1528                                   "NVME" : " ");
1529
1530                 /* Lookup the NPort_ID queried in the GFT_ID and find the
1531                  * driver's local node.  It's an error if the driver
1532                  * doesn't have one.
1533                  */
1534                 ndlp = lpfc_findnode_did(vport, did);
1535                 if (ndlp) {
1536                         /* The bitmask value for FCP and NVME FCP types is
1537                          * the same because they are 32 bits distant from
1538                          * each other in word0 and word0.
1539                          */
1540                         if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1541                                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1542                         if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1543                                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1544                         lpfc_printf_vlog(vport, KERN_INFO,
1545                                          LOG_DISCOVERY | LOG_NODE,
1546                                          "3064 Setting ndlp x%px, DID x%06x "
1547                                          "with FC4 x%08x, Data: x%08x x%08x "
1548                                          "%d\n",
1549                                          ndlp, did, ndlp->nlp_fc4_type,
1550                                          FC_TYPE_FCP, FC_TYPE_NVME,
1551                                          ndlp->nlp_state);
1552
1553                         if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1554                             ndlp->nlp_fc4_type) {
1555                                 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1556                                 lpfc_nlp_set_state(vport, ndlp,
1557                                                    NLP_STE_PRLI_ISSUE);
1558                                 lpfc_issue_els_prli(vport, ndlp, 0);
1559                         } else if (!ndlp->nlp_fc4_type) {
1560                                 /* If fc4 type is still unknown, then LOGO */
1561                                 lpfc_printf_vlog(vport, KERN_INFO,
1562                                                  LOG_DISCOVERY | LOG_NODE,
1563                                                  "6443 Sending LOGO ndlp x%px, "
1564                                                  "DID x%06x with fc4_type: "
1565                                                  "x%08x, state: %d\n",
1566                                                  ndlp, did, ndlp->nlp_fc4_type,
1567                                                  ndlp->nlp_state);
1568                                 lpfc_issue_els_logo(vport, ndlp, 0);
1569                                 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1570                                 lpfc_nlp_set_state(vport, ndlp,
1571                                                    NLP_STE_NPR_NODE);
1572                         }
1573                 }
1574         } else
1575                 lpfc_vlog_msg(vport, KERN_WARNING, LOG_DISCOVERY,
1576                               "3065 GFT_ID status x%08x\n", ulp_status);
1577
1578 out:
1579         lpfc_ct_free_iocb(phba, cmdiocb);
1580         lpfc_nlp_put(ns_ndlp);
1581 }
1582
1583 static void
1584 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1585              struct lpfc_iocbq *rspiocb)
1586 {
1587         struct lpfc_vport *vport = cmdiocb->vport;
1588         struct lpfc_dmabuf *inp;
1589         struct lpfc_dmabuf *outp;
1590         struct lpfc_sli_ct_request *CTrsp;
1591         struct lpfc_nodelist *ndlp;
1592         int cmdcode, rc;
1593         uint8_t retry;
1594         uint32_t latt;
1595         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1596         u32 ulp_word4 = get_job_word4(phba, rspiocb);
1597
1598         /* First save ndlp, before we overwrite it */
1599         ndlp = cmdiocb->ndlp;
1600
1601         /* we pass cmdiocb to state machine which needs rspiocb as well */
1602         cmdiocb->rsp_iocb = rspiocb;
1603
1604         inp = cmdiocb->cmd_dmabuf;
1605         outp = cmdiocb->rsp_dmabuf;
1606
1607         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1608                                         CommandResponse.bits.CmdRsp);
1609         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1610
1611         latt = lpfc_els_chk_latt(vport);
1612
1613         /* RFT request completes status <ulp_status> CmdRsp <CmdRsp> */
1614         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1615                          "0209 CT Request completes, latt %d, "
1616                          "ulp_status x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1617                          latt, ulp_status,
1618                          be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1619                          get_job_ulpcontext(phba, cmdiocb), cmdiocb->iotag);
1620
1621         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1622                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1623                 ulp_status, ulp_word4, cmdcode);
1624
1625         if (ulp_status) {
1626                 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1627                                  "0268 NS cmd x%x Error (x%x x%x)\n",
1628                                  cmdcode, ulp_status, ulp_word4);
1629
1630                 if (ulp_status == IOSTAT_LOCAL_REJECT &&
1631                     (((ulp_word4 & IOERR_PARAM_MASK) ==
1632                       IOERR_SLI_DOWN) ||
1633                      ((ulp_word4 & IOERR_PARAM_MASK) ==
1634                       IOERR_SLI_ABORTED)))
1635                         goto out;
1636
1637                 retry = cmdiocb->retry;
1638                 if (retry >= LPFC_MAX_NS_RETRY)
1639                         goto out;
1640
1641                 retry++;
1642                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1643                                  "0250 Retrying NS cmd %x\n", cmdcode);
1644                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1645                 if (rc == 0)
1646                         goto out;
1647         }
1648
1649 out:
1650         /* If the caller wanted a synchronous DA_ID completion, signal the
1651          * wait obj and clear flag to reset the vport.
1652          */
1653         if (ndlp->save_flags & NLP_WAIT_FOR_DA_ID) {
1654                 if (ndlp->da_id_waitq)
1655                         wake_up(ndlp->da_id_waitq);
1656         }
1657
1658         spin_lock_irq(&ndlp->lock);
1659         ndlp->save_flags &= ~NLP_WAIT_FOR_DA_ID;
1660         spin_unlock_irq(&ndlp->lock);
1661
1662         lpfc_ct_free_iocb(phba, cmdiocb);
1663         lpfc_nlp_put(ndlp);
1664         return;
1665 }
1666
1667 static void
1668 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1669                         struct lpfc_iocbq *rspiocb)
1670 {
1671         struct lpfc_vport *vport = cmdiocb->vport;
1672         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1673
1674         if (ulp_status == IOSTAT_SUCCESS) {
1675                 struct lpfc_dmabuf *outp;
1676                 struct lpfc_sli_ct_request *CTrsp;
1677
1678                 outp = cmdiocb->rsp_dmabuf;
1679                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1680                 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1681                     SLI_CT_RESPONSE_FS_ACC)
1682                         vport->ct_flags |= FC_CT_RFT_ID;
1683         }
1684         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1685         return;
1686 }
1687
1688 static void
1689 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1690                         struct lpfc_iocbq *rspiocb)
1691 {
1692         struct lpfc_vport *vport = cmdiocb->vport;
1693         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1694
1695         if (ulp_status == IOSTAT_SUCCESS) {
1696                 struct lpfc_dmabuf *outp;
1697                 struct lpfc_sli_ct_request *CTrsp;
1698
1699                 outp = cmdiocb->rsp_dmabuf;
1700                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1701                 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1702                     SLI_CT_RESPONSE_FS_ACC)
1703                         vport->ct_flags |= FC_CT_RNN_ID;
1704         }
1705         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1706         return;
1707 }
1708
1709 static void
1710 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1711                          struct lpfc_iocbq *rspiocb)
1712 {
1713         struct lpfc_vport *vport = cmdiocb->vport;
1714         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1715
1716         if (ulp_status == IOSTAT_SUCCESS) {
1717                 struct lpfc_dmabuf *outp;
1718                 struct lpfc_sli_ct_request *CTrsp;
1719
1720                 outp = cmdiocb->rsp_dmabuf;
1721                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1722                 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1723                     SLI_CT_RESPONSE_FS_ACC)
1724                         vport->ct_flags |= FC_CT_RSPN_ID;
1725         }
1726         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1727         return;
1728 }
1729
1730 static void
1731 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1732                          struct lpfc_iocbq *rspiocb)
1733 {
1734         struct lpfc_vport *vport = cmdiocb->vport;
1735         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1736
1737         if (ulp_status == IOSTAT_SUCCESS) {
1738                 struct lpfc_dmabuf *outp;
1739                 struct lpfc_sli_ct_request *CTrsp;
1740
1741                 outp = cmdiocb->rsp_dmabuf;
1742                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1743                 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1744                     SLI_CT_RESPONSE_FS_ACC)
1745                         vport->ct_flags |= FC_CT_RSNN_NN;
1746         }
1747         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1748         return;
1749 }
1750
1751 static void
1752 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1753  struct lpfc_iocbq *rspiocb)
1754 {
1755         struct lpfc_vport *vport = cmdiocb->vport;
1756
1757         /* even if it fails we will act as though it succeeded. */
1758         vport->ct_flags = 0;
1759         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1760         return;
1761 }
1762
1763 static void
1764 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1765                         struct lpfc_iocbq *rspiocb)
1766 {
1767         struct lpfc_vport *vport = cmdiocb->vport;
1768         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1769
1770         if (ulp_status == IOSTAT_SUCCESS) {
1771                 struct lpfc_dmabuf *outp;
1772                 struct lpfc_sli_ct_request *CTrsp;
1773
1774                 outp = cmdiocb->rsp_dmabuf;
1775                 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1776                 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1777                     SLI_CT_RESPONSE_FS_ACC)
1778                         vport->ct_flags |= FC_CT_RFF_ID;
1779         }
1780         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1781         return;
1782 }
1783
1784 /*
1785  * Although the symbolic port name is thought to be an integer
1786  * as of January 18, 2016, leave it as a string until more of
1787  * the record state becomes defined.
1788  */
1789 int
1790 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1791         size_t size)
1792 {
1793         int n;
1794
1795         /*
1796          * Use the lpfc board number as the Symbolic Port
1797          * Name object.  NPIV is not in play so this integer
1798          * value is sufficient and unique per FC-ID.
1799          */
1800         n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1801         return n;
1802 }
1803
1804
1805 int
1806 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1807         size_t size)
1808 {
1809         char fwrev[FW_REV_STR_SIZE] = {0};
1810         char tmp[MAXHOSTNAMELEN] = {0};
1811
1812         memset(symbol, 0, size);
1813
1814         scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1815         if (strlcat(symbol, tmp, size) >= size)
1816                 goto buffer_done;
1817
1818         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1819         scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1820         if (strlcat(symbol, tmp, size) >= size)
1821                 goto buffer_done;
1822
1823         scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1824         if (strlcat(symbol, tmp, size) >= size)
1825                 goto buffer_done;
1826
1827         scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1828         if (strlcat(symbol, tmp, size) >= size)
1829                 goto buffer_done;
1830
1831         /* Note :- OS name is "Linux" */
1832         scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1833         strlcat(symbol, tmp, size);
1834
1835 buffer_done:
1836         return strnlen(symbol, size);
1837
1838 }
1839
1840 static uint32_t
1841 lpfc_find_map_node(struct lpfc_vport *vport)
1842 {
1843         struct lpfc_nodelist *ndlp, *next_ndlp;
1844         unsigned long iflags;
1845         uint32_t cnt = 0;
1846
1847         spin_lock_irqsave(&vport->fc_nodes_list_lock, iflags);
1848         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1849                 if (ndlp->nlp_type & NLP_FABRIC)
1850                         continue;
1851                 if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1852                     (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1853                         cnt++;
1854         }
1855         spin_unlock_irqrestore(&vport->fc_nodes_list_lock, iflags);
1856         return cnt;
1857 }
1858
1859 /*
1860  * This routine will return the FC4 Type associated with the CT
1861  * GID_FT command.
1862  */
1863 int
1864 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1865 {
1866         struct lpfc_sli_ct_request *CtReq;
1867         struct lpfc_dmabuf *mp;
1868         uint32_t type;
1869
1870         mp = cmdiocb->cmd_dmabuf;
1871         if (mp == NULL)
1872                 return 0;
1873         CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1874         type = (uint32_t)CtReq->un.gid.Fc4Type;
1875         if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1876                 return 0;
1877         return type;
1878 }
1879
1880 /*
1881  * lpfc_ns_cmd
1882  * Description:
1883  *    Issue Cmd to NameServer
1884  *       SLI_CTNS_GID_FT
1885  *       LI_CTNS_RFT_ID
1886  */
1887 int
1888 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1889             uint8_t retry, uint32_t context)
1890 {
1891         struct lpfc_nodelist * ndlp;
1892         struct lpfc_hba *phba = vport->phba;
1893         struct lpfc_dmabuf *mp, *bmp;
1894         struct lpfc_sli_ct_request *CtReq;
1895         struct ulp_bde64 *bpl;
1896         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1897                       struct lpfc_iocbq *) = NULL;
1898         uint32_t *ptr;
1899         uint32_t rsp_size = 1024;
1900         size_t   size;
1901         int rc = 0;
1902
1903         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1904         if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1905                 rc=1;
1906                 goto ns_cmd_exit;
1907         }
1908
1909         /* fill in BDEs for command */
1910         /* Allocate buffer for command payload */
1911         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1912         if (!mp) {
1913                 rc=2;
1914                 goto ns_cmd_exit;
1915         }
1916
1917         INIT_LIST_HEAD(&mp->list);
1918         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1919         if (!mp->virt) {
1920                 rc=3;
1921                 goto ns_cmd_free_mp;
1922         }
1923
1924         /* Allocate buffer for Buffer ptr list */
1925         bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1926         if (!bmp) {
1927                 rc=4;
1928                 goto ns_cmd_free_mpvirt;
1929         }
1930
1931         INIT_LIST_HEAD(&bmp->list);
1932         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1933         if (!bmp->virt) {
1934                 rc=5;
1935                 goto ns_cmd_free_bmp;
1936         }
1937
1938         /* NameServer Req */
1939         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1940                          "0236 NameServer Req Data: x%x x%lx x%x x%x\n",
1941                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1942                          context);
1943
1944         bpl = (struct ulp_bde64 *) bmp->virt;
1945         memset(bpl, 0, sizeof(struct ulp_bde64));
1946         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1947         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1948         bpl->tus.f.bdeFlags = 0;
1949         if (cmdcode == SLI_CTNS_GID_FT)
1950                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1951         else if (cmdcode == SLI_CTNS_GID_PT)
1952                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1953         else if (cmdcode == SLI_CTNS_GFF_ID)
1954                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1955         else if (cmdcode == SLI_CTNS_GFT_ID)
1956                 bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1957         else if (cmdcode == SLI_CTNS_RFT_ID)
1958                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1959         else if (cmdcode == SLI_CTNS_RNN_ID)
1960                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1961         else if (cmdcode == SLI_CTNS_RSPN_ID)
1962                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1963         else if (cmdcode == SLI_CTNS_RSNN_NN)
1964                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1965         else if (cmdcode == SLI_CTNS_DA_ID)
1966                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1967         else if (cmdcode == SLI_CTNS_RFF_ID)
1968                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1969         else
1970                 bpl->tus.f.bdeSize = 0;
1971         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1972
1973         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1974         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1975         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1976         CtReq->RevisionId.bits.InId = 0;
1977         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1978         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1979         CtReq->CommandResponse.bits.Size = 0;
1980         switch (cmdcode) {
1981         case SLI_CTNS_GID_FT:
1982                 CtReq->CommandResponse.bits.CmdRsp =
1983                     cpu_to_be16(SLI_CTNS_GID_FT);
1984                 CtReq->un.gid.Fc4Type = context;
1985
1986                 if (vport->port_state < LPFC_NS_QRY)
1987                         vport->port_state = LPFC_NS_QRY;
1988                 lpfc_set_disctmo(vport);
1989                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1990                 rsp_size = FC_MAX_NS_RSP;
1991                 break;
1992
1993         case SLI_CTNS_GID_PT:
1994                 CtReq->CommandResponse.bits.CmdRsp =
1995                     cpu_to_be16(SLI_CTNS_GID_PT);
1996                 CtReq->un.gid.PortType = context;
1997
1998                 if (vport->port_state < LPFC_NS_QRY)
1999                         vport->port_state = LPFC_NS_QRY;
2000                 lpfc_set_disctmo(vport);
2001                 cmpl = lpfc_cmpl_ct_cmd_gid_pt;
2002                 rsp_size = FC_MAX_NS_RSP;
2003                 break;
2004
2005         case SLI_CTNS_GFF_ID:
2006                 CtReq->CommandResponse.bits.CmdRsp =
2007                         cpu_to_be16(SLI_CTNS_GFF_ID);
2008                 CtReq->un.gff.PortId = cpu_to_be32(context);
2009                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
2010                 break;
2011
2012         case SLI_CTNS_GFT_ID:
2013                 CtReq->CommandResponse.bits.CmdRsp =
2014                         cpu_to_be16(SLI_CTNS_GFT_ID);
2015                 CtReq->un.gft.PortId = cpu_to_be32(context);
2016                 cmpl = lpfc_cmpl_ct_cmd_gft_id;
2017                 break;
2018
2019         case SLI_CTNS_RFT_ID:
2020                 vport->ct_flags &= ~FC_CT_RFT_ID;
2021                 CtReq->CommandResponse.bits.CmdRsp =
2022                     cpu_to_be16(SLI_CTNS_RFT_ID);
2023                 CtReq->un.rft.port_id = cpu_to_be32(vport->fc_myDID);
2024
2025                 /* Register Application Services type if vmid enabled. */
2026                 if (phba->cfg_vmid_app_header)
2027                         CtReq->un.rft.app_serv_reg =
2028                                 cpu_to_be32(RFT_APP_SERV_REG);
2029
2030                 /* Register FC4 FCP type if enabled.  */
2031                 if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2032                     vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
2033                         CtReq->un.rft.fcp_reg = cpu_to_be32(RFT_FCP_REG);
2034
2035                 /* Register NVME type if enabled. */
2036                 if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2037                     vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
2038                         CtReq->un.rft.nvme_reg = cpu_to_be32(RFT_NVME_REG);
2039
2040                 ptr = (uint32_t *)CtReq;
2041                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2042                                  "6433 Issue RFT (%s %s %s): %08x %08x %08x "
2043                                  "%08x %08x %08x %08x %08x\n",
2044                                  CtReq->un.rft.fcp_reg ? "FCP" : " ",
2045                                  CtReq->un.rft.nvme_reg ? "NVME" : " ",
2046                                  CtReq->un.rft.app_serv_reg ? "APPS" : " ",
2047                                  *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2048                                  *(ptr + 4), *(ptr + 5),
2049                                  *(ptr + 6), *(ptr + 7));
2050                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
2051                 break;
2052
2053         case SLI_CTNS_RNN_ID:
2054                 vport->ct_flags &= ~FC_CT_RNN_ID;
2055                 CtReq->CommandResponse.bits.CmdRsp =
2056                     cpu_to_be16(SLI_CTNS_RNN_ID);
2057                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
2058                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
2059                        sizeof(struct lpfc_name));
2060                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
2061                 break;
2062
2063         case SLI_CTNS_RSPN_ID:
2064                 vport->ct_flags &= ~FC_CT_RSPN_ID;
2065                 CtReq->CommandResponse.bits.CmdRsp =
2066                     cpu_to_be16(SLI_CTNS_RSPN_ID);
2067                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
2068                 size = sizeof(CtReq->un.rspn.symbname);
2069                 CtReq->un.rspn.len =
2070                         lpfc_vport_symbolic_port_name(vport,
2071                         CtReq->un.rspn.symbname, size);
2072                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
2073                 break;
2074         case SLI_CTNS_RSNN_NN:
2075                 vport->ct_flags &= ~FC_CT_RSNN_NN;
2076                 CtReq->CommandResponse.bits.CmdRsp =
2077                     cpu_to_be16(SLI_CTNS_RSNN_NN);
2078                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
2079                        sizeof(struct lpfc_name));
2080                 size = sizeof(CtReq->un.rsnn.symbname);
2081                 CtReq->un.rsnn.len =
2082                         lpfc_vport_symbolic_node_name(vport,
2083                         CtReq->un.rsnn.symbname, size);
2084                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
2085                 break;
2086         case SLI_CTNS_DA_ID:
2087                 /* Implement DA_ID Nameserver request */
2088                 CtReq->CommandResponse.bits.CmdRsp =
2089                         cpu_to_be16(SLI_CTNS_DA_ID);
2090                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
2091                 cmpl = lpfc_cmpl_ct_cmd_da_id;
2092                 break;
2093         case SLI_CTNS_RFF_ID:
2094                 vport->ct_flags &= ~FC_CT_RFF_ID;
2095                 CtReq->CommandResponse.bits.CmdRsp =
2096                     cpu_to_be16(SLI_CTNS_RFF_ID);
2097                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
2098                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
2099
2100                 /* The driver always supports FC_TYPE_FCP.  However, the
2101                  * caller can specify NVME (type x28) as well.  But only
2102                  * these that FC4 type is supported.
2103                  */
2104                 if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2105                      (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
2106                     (context == FC_TYPE_NVME)) {
2107                         if ((vport == phba->pport) && phba->nvmet_support) {
2108                                 CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
2109                                         FC4_FEATURE_NVME_DISC);
2110                                 lpfc_nvmet_update_targetport(phba);
2111                         } else {
2112                                 lpfc_nvme_update_localport(vport);
2113                         }
2114                         CtReq->un.rff.type_code = context;
2115
2116                 } else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2117                             (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
2118                            (context == FC_TYPE_FCP))
2119                         CtReq->un.rff.type_code = context;
2120
2121                 else
2122                         goto ns_cmd_free_bmpvirt;
2123
2124                 ptr = (uint32_t *)CtReq;
2125                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2126                                  "6434 Issue RFF (%s): %08x %08x %08x %08x "
2127                                  "%08x %08x %08x %08x\n",
2128                                  (context == FC_TYPE_NVME) ? "NVME" : "FCP",
2129                                  *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2130                                  *(ptr + 4), *(ptr + 5),
2131                                  *(ptr + 6), *(ptr + 7));
2132                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
2133                 break;
2134         }
2135         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2136          * to hold ndlp reference for the corresponding callback function.
2137          */
2138         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
2139                 /* On success, The cmpl function will free the buffers */
2140                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2141                         "Issue CT cmd:    cmd:x%x did:x%x",
2142                         cmdcode, ndlp->nlp_DID, 0);
2143                 return 0;
2144         }
2145         rc=6;
2146
2147 ns_cmd_free_bmpvirt:
2148         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2149 ns_cmd_free_bmp:
2150         kfree(bmp);
2151 ns_cmd_free_mpvirt:
2152         lpfc_mbuf_free(phba, mp->virt, mp->phys);
2153 ns_cmd_free_mp:
2154         kfree(mp);
2155 ns_cmd_exit:
2156         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
2157                          "0266 Issue NameServer Req x%x err %d Data: x%lx "
2158                          "x%x\n",
2159                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
2160         return 1;
2161 }
2162
2163 /**
2164  * lpfc_fdmi_rprt_defer - Check for any deferred FDMI RPRT commands
2165  * @phba: Pointer to HBA context object.
2166  * @mask: Initial port attributes mask
2167  *
2168  * This function checks to see if any vports have deferred their FDMI RPRT.
2169  * A vports RPRT may be deferred if it is issued before the primary ports
2170  * RHBA completes.
2171  */
2172 static void
2173 lpfc_fdmi_rprt_defer(struct lpfc_hba *phba, uint32_t mask)
2174 {
2175         struct lpfc_vport **vports;
2176         struct lpfc_vport *vport;
2177         struct lpfc_nodelist *ndlp;
2178         int i;
2179
2180         set_bit(HBA_RHBA_CMPL, &phba->hba_flag);
2181         vports = lpfc_create_vport_work_array(phba);
2182         if (vports) {
2183                 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2184                         vport = vports[i];
2185                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2186                         if (!ndlp)
2187                                 continue;
2188                         if (vport->ct_flags & FC_CT_RPRT_DEFER) {
2189                                 vport->ct_flags &= ~FC_CT_RPRT_DEFER;
2190                                 vport->fdmi_port_mask = mask;
2191                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2192                         }
2193                 }
2194         }
2195         lpfc_destroy_vport_work_array(phba, vports);
2196 }
2197
2198 /**
2199  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
2200  * @phba: Pointer to HBA context object.
2201  * @cmdiocb: Pointer to the command IOCBQ.
2202  * @rspiocb: Pointer to the response IOCBQ.
2203  *
2204  * This function to handle the completion of a driver initiated FDMI
2205  * CT command issued during discovery.
2206  */
2207 static void
2208 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2209                        struct lpfc_iocbq *rspiocb)
2210 {
2211         struct lpfc_vport *vport = cmdiocb->vport;
2212         struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
2213         struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
2214         struct lpfc_sli_ct_request *CTcmd = inp->virt;
2215         struct lpfc_sli_ct_request *CTrsp = outp->virt;
2216         __be16 fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
2217         __be16 fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
2218         struct lpfc_nodelist *ndlp, *free_ndlp = NULL;
2219         uint32_t latt, cmd, err;
2220         u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
2221         u32 ulp_word4 = get_job_word4(phba, rspiocb);
2222
2223         latt = lpfc_els_chk_latt(vport);
2224         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2225                 "FDMI cmpl:       status:x%x/x%x latt:%d",
2226                 ulp_status, ulp_word4, latt);
2227
2228         if (latt || ulp_status) {
2229
2230                 /* Look for a retryable error */
2231                 if (ulp_status == IOSTAT_LOCAL_REJECT) {
2232                         switch ((ulp_word4 & IOERR_PARAM_MASK)) {
2233                         case IOERR_SLI_ABORTED:
2234                         case IOERR_SLI_DOWN:
2235                                 /* Driver aborted this IO.  No retry as error
2236                                  * is likely Offline->Online or some adapter
2237                                  * error.  Recovery will try again.
2238                                  */
2239                                 break;
2240                         case IOERR_ABORT_IN_PROGRESS:
2241                         case IOERR_SEQUENCE_TIMEOUT:
2242                         case IOERR_ILLEGAL_FRAME:
2243                         case IOERR_NO_RESOURCES:
2244                         case IOERR_ILLEGAL_COMMAND:
2245                                 cmdiocb->retry++;
2246                                 if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
2247                                         break;
2248
2249                                 /* Retry the same FDMI command */
2250                                 err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
2251                                                           cmdiocb, 0);
2252                                 if (err == IOCB_ERROR)
2253                                         break;
2254                                 return;
2255                         default:
2256                                 break;
2257                         }
2258                 }
2259
2260                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2261                                  "0229 FDMI cmd %04x latt = %d "
2262                                  "ulp_status: x%x, rid x%x\n",
2263                                  be16_to_cpu(fdmi_cmd), latt, ulp_status,
2264                                  ulp_word4);
2265         }
2266
2267         free_ndlp = cmdiocb->ndlp;
2268         lpfc_ct_free_iocb(phba, cmdiocb);
2269         lpfc_nlp_put(free_ndlp);
2270
2271         ndlp = lpfc_findnode_did(vport, FDMI_DID);
2272         if (!ndlp)
2273                 return;
2274
2275         /* Check for a CT LS_RJT response */
2276         cmd =  be16_to_cpu(fdmi_cmd);
2277         if (be16_to_cpu(fdmi_rsp) == SLI_CT_RESPONSE_FS_RJT) {
2278                 /* Log FDMI reject */
2279                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY | LOG_ELS,
2280                                  "0220 FDMI cmd FS_RJT Data: x%x", cmd);
2281
2282                 /* Should we fallback to FDMI-2 / FDMI-1 ? */
2283                 switch (cmd) {
2284                 case SLI_MGMT_RHBA:
2285                         if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
2286                                 /* Fallback to FDMI-1 for HBA attributes */
2287                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2288
2289                                 /* If HBA attributes are FDMI1, so should
2290                                  * port attributes be for consistency.
2291                                  */
2292                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2293                                 /* Start over */
2294                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2295                         }
2296                         return;
2297
2298                 case SLI_MGMT_RPRT:
2299                         if (vport->port_type != LPFC_PHYSICAL_PORT) {
2300                                 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2301                                 if (!ndlp)
2302                                         return;
2303                         }
2304                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2305                                 /* Fallback to FDMI-1 */
2306                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2307                                 /* Start over */
2308                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2309                                 return;
2310                         }
2311                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2312                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2313                                 /* Retry the same command */
2314                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2315                         }
2316                         return;
2317
2318                 case SLI_MGMT_RPA:
2319                         /* No retry on Vendor, RPA only done on physical port */
2320                         if (phba->link_flag & LS_CT_VEN_RPA) {
2321                                 phba->link_flag &= ~LS_CT_VEN_RPA;
2322                                 if (phba->cmf_active_mode == LPFC_CFG_OFF)
2323                                         return;
2324                                 lpfc_printf_log(phba, KERN_WARNING,
2325                                                 LOG_DISCOVERY | LOG_ELS,
2326                                                 "6460 VEN FDMI RPA RJT\n");
2327                                 return;
2328                         }
2329                         if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2330                                 /* Fallback to FDMI-1 */
2331                                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2332                                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2333                                 /* Start over */
2334                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2335                                 return;
2336                         }
2337                         if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2338                                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2339                                 /* Retry the same command */
2340                                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2341                         }
2342                         return;
2343                 }
2344         }
2345
2346         /*
2347          * On success, need to cycle thru FDMI registration for discovery
2348          * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2349          * DPRT -> RPRT (vports)
2350          */
2351         switch (cmd) {
2352         case SLI_MGMT_RHBA:
2353                 /* Check for any RPRTs deferred till after RHBA completes */
2354                 lpfc_fdmi_rprt_defer(phba, vport->fdmi_port_mask);
2355
2356                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
2357                 break;
2358
2359         case SLI_MGMT_DHBA:
2360                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2361                 break;
2362
2363         case SLI_MGMT_DPRT:
2364                 if (vport->port_type == LPFC_PHYSICAL_PORT) {
2365                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2366                 } else {
2367                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2368                         if (!ndlp)
2369                                 return;
2370
2371                         /* Only issue a RPRT for the vport if the RHBA
2372                          * for the physical port completes successfully.
2373                          * We may have to defer the RPRT accordingly.
2374                          */
2375                         if (test_bit(HBA_RHBA_CMPL, &phba->hba_flag)) {
2376                                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2377                         } else {
2378                                 lpfc_printf_vlog(vport, KERN_INFO,
2379                                                  LOG_DISCOVERY,
2380                                                  "6078 RPRT deferred\n");
2381                                 vport->ct_flags |= FC_CT_RPRT_DEFER;
2382                         }
2383                 }
2384                 break;
2385         case SLI_MGMT_RPA:
2386                 if (vport->port_type == LPFC_PHYSICAL_PORT &&
2387                     phba->sli4_hba.pc_sli4_params.mi_ver) {
2388                         /* mi is only for the phyical port, no vports */
2389                         if (phba->link_flag & LS_CT_VEN_RPA) {
2390                                 lpfc_printf_vlog(vport, KERN_INFO,
2391                                                  LOG_DISCOVERY | LOG_ELS |
2392                                                  LOG_CGN_MGMT,
2393                                                  "6449 VEN RPA FDMI Success\n");
2394                                 phba->link_flag &= ~LS_CT_VEN_RPA;
2395                                 break;
2396                         }
2397
2398                         lpfc_printf_log(phba, KERN_INFO,
2399                                         LOG_DISCOVERY | LOG_CGN_MGMT,
2400                                         "6210 Issue Vendor MI FDMI %x\n",
2401                                         phba->sli4_hba.pc_sli4_params.mi_ver);
2402
2403                         /* CGN is only for the physical port, no vports */
2404                         if (lpfc_fdmi_cmd(vport, ndlp, cmd,
2405                                           LPFC_FDMI_VENDOR_ATTR_mi) == 0)
2406                                 phba->link_flag |= LS_CT_VEN_RPA;
2407                         lpfc_printf_log(phba, KERN_INFO,
2408                                         LOG_DISCOVERY | LOG_ELS,
2409                                         "6458 Send MI FDMI:%x Flag x%x\n",
2410                                         phba->sli4_hba.pc_sli4_params.mi_ver,
2411                                         phba->link_flag);
2412                 } else {
2413                         lpfc_printf_log(phba, KERN_INFO,
2414                                         LOG_DISCOVERY | LOG_ELS,
2415                                         "6459 No FDMI VEN MI support - "
2416                                         "RPA Success\n");
2417                 }
2418                 break;
2419         }
2420         return;
2421 }
2422
2423
2424 /**
2425  * lpfc_fdmi_change_check - Check for changed FDMI parameters
2426  * @vport: pointer to a host virtual N_Port data structure.
2427  *
2428  * Check how many mapped NPorts we are connected to
2429  * Check if our hostname changed
2430  * Called from hbeat timeout routine to check if any FDMI parameters
2431  * changed. If so, re-register those Attributes.
2432  */
2433 void
2434 lpfc_fdmi_change_check(struct lpfc_vport *vport)
2435 {
2436         struct lpfc_hba *phba = vport->phba;
2437         struct lpfc_nodelist *ndlp;
2438         uint16_t cnt;
2439
2440         if (!lpfc_is_link_up(phba))
2441                 return;
2442
2443         /* Must be connected to a Fabric */
2444         if (!test_bit(FC_FABRIC, &vport->fc_flag))
2445                 return;
2446
2447         ndlp = lpfc_findnode_did(vport, FDMI_DID);
2448         if (!ndlp)
2449                 return;
2450
2451         /* Check if system hostname changed */
2452         if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2453                 memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2454                 scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2455                           init_utsname()->nodename);
2456                 lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2457
2458                 /* Since this effects multiple HBA and PORT attributes, we need
2459                  * de-register and go thru the whole FDMI registration cycle.
2460                  * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2461                  * DPRT -> RPRT (vports)
2462                  */
2463                 if (vport->port_type == LPFC_PHYSICAL_PORT) {
2464                         /* For extra Vendor RPA */
2465                         phba->link_flag &= ~LS_CT_VEN_RPA;
2466                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2467                 } else {
2468                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2469                         if (!ndlp)
2470                                 return;
2471                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2472                 }
2473
2474                 /* Since this code path registers all the port attributes
2475                  * we can just return without further checking.
2476                  */
2477                 return;
2478         }
2479
2480         if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2481                 return;
2482
2483         /* Check if the number of mapped NPorts changed */
2484         cnt = lpfc_find_map_node(vport);
2485         if (cnt == vport->fdmi_num_disc)
2486                 return;
2487
2488         if (vport->port_type == LPFC_PHYSICAL_PORT) {
2489                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2490                               LPFC_FDMI_PORT_ATTR_num_disc);
2491         } else {
2492                 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2493                 if (!ndlp)
2494                         return;
2495                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2496                               LPFC_FDMI_PORT_ATTR_num_disc);
2497         }
2498 }
2499
2500 static inline int
2501 lpfc_fdmi_set_attr_u32(void *attr, uint16_t attrtype, uint32_t attrval)
2502 {
2503         struct lpfc_fdmi_attr_u32 *ae = attr;
2504         int size = sizeof(*ae);
2505
2506         ae->type = cpu_to_be16(attrtype);
2507         ae->len = cpu_to_be16(size);
2508         ae->value_u32 = cpu_to_be32(attrval);
2509
2510         return size;
2511 }
2512
2513 static inline int
2514 lpfc_fdmi_set_attr_wwn(void *attr, uint16_t attrtype, struct lpfc_name *wwn)
2515 {
2516         struct lpfc_fdmi_attr_wwn *ae = attr;
2517         int size = sizeof(*ae);
2518
2519         ae->type = cpu_to_be16(attrtype);
2520         ae->len = cpu_to_be16(size);
2521         /* WWN's assumed to be bytestreams - Big Endian presentation */
2522         memcpy(ae->name, wwn,
2523                min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2524
2525         return size;
2526 }
2527
2528 static inline int
2529 lpfc_fdmi_set_attr_fullwwn(void *attr, uint16_t attrtype,
2530                            struct lpfc_name *wwnn, struct lpfc_name *wwpn)
2531 {
2532         struct lpfc_fdmi_attr_fullwwn *ae = attr;
2533         u8 *nname = ae->nname;
2534         u8 *pname = ae->pname;
2535         int size = sizeof(*ae);
2536
2537         ae->type = cpu_to_be16(attrtype);
2538         ae->len = cpu_to_be16(size);
2539         /* WWN's assumed to be bytestreams - Big Endian presentation */
2540         memcpy(nname, wwnn,
2541                min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2542         memcpy(pname, wwpn,
2543                min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2544
2545         return size;
2546 }
2547
2548 static inline int
2549 lpfc_fdmi_set_attr_string(void *attr, uint16_t attrtype, char *attrstring)
2550 {
2551         struct lpfc_fdmi_attr_string *ae = attr;
2552         int len, size;
2553
2554         /*
2555          * We are trusting the caller that if a fdmi string field
2556          * is capped at 64 bytes, the caller passes in a string of
2557          * 64 bytes or less.
2558          */
2559
2560         strscpy(ae->value_string, attrstring, sizeof(ae->value_string));
2561         len = strnlen(ae->value_string, sizeof(ae->value_string));
2562         /* round string length to a 32bit boundary */
2563         len += (len & 3) ? (4 - (len & 3)) : 4;
2564         /* size is Type/Len (4 bytes) plus string length */
2565         size = FOURBYTES + len;
2566
2567         ae->type = cpu_to_be16(attrtype);
2568         ae->len = cpu_to_be16(size);
2569
2570         return size;
2571 }
2572
2573 /* Bitfields for FC4 Types that can be reported */
2574 #define ATTR_FC4_CT     0x00000001
2575 #define ATTR_FC4_FCP    0x00000002
2576 #define ATTR_FC4_NVME   0x00000004
2577
2578 static inline int
2579 lpfc_fdmi_set_attr_fc4types(void *attr, uint16_t attrtype, uint32_t typemask)
2580 {
2581         struct lpfc_fdmi_attr_fc4types *ae = attr;
2582         int size = sizeof(*ae);
2583
2584         ae->type = cpu_to_be16(attrtype);
2585         ae->len = cpu_to_be16(size);
2586
2587         if (typemask & ATTR_FC4_FCP)
2588                 ae->value_types[2] = 0x01; /* Type 0x8 - FCP */
2589
2590         if (typemask & ATTR_FC4_CT)
2591                 ae->value_types[7] = 0x01; /* Type 0x20 - CT */
2592
2593         if (typemask & ATTR_FC4_NVME)
2594                 ae->value_types[6] = 0x01; /* Type 0x28 - NVME */
2595
2596         return size;
2597 }
2598
2599 /* Routines for all individual HBA attributes */
2600 static int
2601 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, void *attr)
2602 {
2603         return lpfc_fdmi_set_attr_wwn(attr, RHBA_NODENAME,
2604                         &vport->fc_sparam.nodeName);
2605 }
2606
2607 static int
2608 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport, void *attr)
2609 {
2610         /* This string MUST be consistent with other FC platforms
2611          * supported by Broadcom.
2612          */
2613         return lpfc_fdmi_set_attr_string(attr, RHBA_MANUFACTURER,
2614                         "Emulex Corporation");
2615 }
2616
2617 static int
2618 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, void *attr)
2619 {
2620         struct lpfc_hba *phba = vport->phba;
2621
2622         return lpfc_fdmi_set_attr_string(attr, RHBA_SERIAL_NUMBER,
2623                         phba->SerialNumber);
2624 }
2625
2626 static int
2627 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport, void *attr)
2628 {
2629         struct lpfc_hba *phba = vport->phba;
2630
2631         return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL,
2632                         phba->ModelName);
2633 }
2634
2635 static int
2636 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport, void *attr)
2637 {
2638         struct lpfc_hba *phba = vport->phba;
2639
2640         return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL_DESCRIPTION,
2641                         phba->ModelDesc);
2642 }
2643
2644 static int
2645 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport, void *attr)
2646 {
2647         struct lpfc_hba *phba = vport->phba;
2648         lpfc_vpd_t *vp = &phba->vpd;
2649         char buf[16] = { 0 };
2650
2651         snprintf(buf, sizeof(buf), "%08x", vp->rev.biuRev);
2652
2653         return lpfc_fdmi_set_attr_string(attr, RHBA_HARDWARE_VERSION, buf);
2654 }
2655
2656 static int
2657 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport, void *attr)
2658 {
2659         return lpfc_fdmi_set_attr_string(attr, RHBA_DRIVER_VERSION,
2660                         lpfc_release_version);
2661 }
2662
2663 static int
2664 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport, void *attr)
2665 {
2666         struct lpfc_hba *phba = vport->phba;
2667         char buf[64] = { 0 };
2668
2669         if (phba->sli_rev == LPFC_SLI_REV4) {
2670                 lpfc_decode_firmware_rev(phba, buf, 1);
2671
2672                 return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION,
2673                                 buf);
2674         }
2675
2676         return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION,
2677                         phba->OptionROMVersion);
2678 }
2679
2680 static int
2681 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport, void *attr)
2682 {
2683         struct lpfc_hba *phba = vport->phba;
2684         char buf[64] = { 0 };
2685
2686         lpfc_decode_firmware_rev(phba, buf, 1);
2687
2688         return lpfc_fdmi_set_attr_string(attr, RHBA_FIRMWARE_VERSION, buf);
2689 }
2690
2691 static int
2692 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport, void *attr)
2693 {
2694         char buf[256] = { 0 };
2695
2696         snprintf(buf, sizeof(buf), "%s %s %s",
2697                  init_utsname()->sysname,
2698                  init_utsname()->release,
2699                  init_utsname()->version);
2700
2701         return lpfc_fdmi_set_attr_string(attr, RHBA_OS_NAME_VERSION, buf);
2702 }
2703
2704 static int
2705 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport, void *attr)
2706 {
2707         return lpfc_fdmi_set_attr_u32(attr, RHBA_MAX_CT_PAYLOAD_LEN,
2708                         LPFC_MAX_CT_SIZE);
2709 }
2710
2711 static int
2712 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport, void *attr)
2713 {
2714         char buf[256] = { 0 };
2715
2716         lpfc_vport_symbolic_node_name(vport, buf, sizeof(buf));
2717
2718         return lpfc_fdmi_set_attr_string(attr, RHBA_SYM_NODENAME, buf);
2719 }
2720
2721 static int
2722 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport, void *attr)
2723 {
2724         return lpfc_fdmi_set_attr_u32(attr, RHBA_VENDOR_INFO, 0);
2725 }
2726
2727 static int
2728 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport, void *attr)
2729 {
2730         /* Each driver instance corresponds to a single port */
2731         return lpfc_fdmi_set_attr_u32(attr, RHBA_NUM_PORTS, 1);
2732 }
2733
2734 static int
2735 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport, void *attr)
2736 {
2737         return lpfc_fdmi_set_attr_wwn(attr, RHBA_FABRIC_WWNN,
2738                         &vport->fabric_nodename);
2739 }
2740
2741 static int
2742 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport, void *attr)
2743 {
2744         struct lpfc_hba *phba = vport->phba;
2745
2746         return lpfc_fdmi_set_attr_string(attr, RHBA_BIOS_VERSION,
2747                         phba->BIOSVersion);
2748 }
2749
2750 static int
2751 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport, void *attr)
2752 {
2753         /* Driver doesn't have access to this information */
2754         return lpfc_fdmi_set_attr_u32(attr, RHBA_BIOS_STATE, 0);
2755 }
2756
2757 static int
2758 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport, void *attr)
2759 {
2760         return lpfc_fdmi_set_attr_string(attr, RHBA_VENDOR_ID, "EMULEX");
2761 }
2762
2763 /*
2764  * Routines for all individual PORT attributes
2765  */
2766
2767 static int
2768 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport, void *attr)
2769 {
2770         struct lpfc_hba   *phba = vport->phba;
2771         u32 fc4types;
2772
2773         fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP);
2774
2775         /* Check to see if Firmware supports NVME and on physical port */
2776         if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2777             phba->sli4_hba.pc_sli4_params.nvme)
2778                 fc4types |= ATTR_FC4_NVME;
2779
2780         return lpfc_fdmi_set_attr_fc4types(attr, RPRT_SUPPORTED_FC4_TYPES,
2781                         fc4types);
2782 }
2783
2784 static int
2785 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport, void *attr)
2786 {
2787         struct lpfc_hba *phba = vport->phba;
2788         u32 speeds = 0;
2789         u32 tcfg;
2790         u8 i, cnt;
2791
2792         if (!test_bit(HBA_FCOE_MODE, &phba->hba_flag)) {
2793                 cnt = 0;
2794                 if (phba->sli_rev == LPFC_SLI_REV4) {
2795                         tcfg = phba->sli4_hba.conf_trunk;
2796                         for (i = 0; i < 4; i++, tcfg >>= 1)
2797                                 if (tcfg & 1)
2798                                         cnt++;
2799                 }
2800
2801                 if (cnt > 2) { /* 4 lane trunk group */
2802                         if (phba->lmt & LMT_64Gb)
2803                                 speeds |= HBA_PORTSPEED_256GFC;
2804                         if (phba->lmt & LMT_32Gb)
2805                                 speeds |= HBA_PORTSPEED_128GFC;
2806                         if (phba->lmt & LMT_16Gb)
2807                                 speeds |= HBA_PORTSPEED_64GFC;
2808                 } else if (cnt) { /* 2 lane trunk group */
2809                         if (phba->lmt & LMT_128Gb)
2810                                 speeds |= HBA_PORTSPEED_256GFC;
2811                         if (phba->lmt & LMT_64Gb)
2812                                 speeds |= HBA_PORTSPEED_128GFC;
2813                         if (phba->lmt & LMT_32Gb)
2814                                 speeds |= HBA_PORTSPEED_64GFC;
2815                         if (phba->lmt & LMT_16Gb)
2816                                 speeds |= HBA_PORTSPEED_32GFC;
2817                 } else {
2818                         if (phba->lmt & LMT_256Gb)
2819                                 speeds |= HBA_PORTSPEED_256GFC;
2820                         if (phba->lmt & LMT_128Gb)
2821                                 speeds |= HBA_PORTSPEED_128GFC;
2822                         if (phba->lmt & LMT_64Gb)
2823                                 speeds |= HBA_PORTSPEED_64GFC;
2824                         if (phba->lmt & LMT_32Gb)
2825                                 speeds |= HBA_PORTSPEED_32GFC;
2826                         if (phba->lmt & LMT_16Gb)
2827                                 speeds |= HBA_PORTSPEED_16GFC;
2828                         if (phba->lmt & LMT_10Gb)
2829                                 speeds |= HBA_PORTSPEED_10GFC;
2830                         if (phba->lmt & LMT_8Gb)
2831                                 speeds |= HBA_PORTSPEED_8GFC;
2832                         if (phba->lmt & LMT_4Gb)
2833                                 speeds |= HBA_PORTSPEED_4GFC;
2834                         if (phba->lmt & LMT_2Gb)
2835                                 speeds |= HBA_PORTSPEED_2GFC;
2836                         if (phba->lmt & LMT_1Gb)
2837                                 speeds |= HBA_PORTSPEED_1GFC;
2838                 }
2839         } else {
2840                 /* FCoE links support only one speed */
2841                 switch (phba->fc_linkspeed) {
2842                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2843                         speeds = HBA_PORTSPEED_10GE;
2844                         break;
2845                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2846                         speeds = HBA_PORTSPEED_25GE;
2847                         break;
2848                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2849                         speeds = HBA_PORTSPEED_40GE;
2850                         break;
2851                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2852                         speeds = HBA_PORTSPEED_100GE;
2853                         break;
2854                 }
2855         }
2856
2857         return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_SPEED, speeds);
2858 }
2859
2860 static int
2861 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport, void *attr)
2862 {
2863         struct lpfc_hba   *phba = vport->phba;
2864         u32 speeds = 0;
2865
2866         if (!test_bit(HBA_FCOE_MODE, &phba->hba_flag)) {
2867                 switch (phba->fc_linkspeed) {
2868                 case LPFC_LINK_SPEED_1GHZ:
2869                         speeds = HBA_PORTSPEED_1GFC;
2870                         break;
2871                 case LPFC_LINK_SPEED_2GHZ:
2872                         speeds = HBA_PORTSPEED_2GFC;
2873                         break;
2874                 case LPFC_LINK_SPEED_4GHZ:
2875                         speeds = HBA_PORTSPEED_4GFC;
2876                         break;
2877                 case LPFC_LINK_SPEED_8GHZ:
2878                         speeds = HBA_PORTSPEED_8GFC;
2879                         break;
2880                 case LPFC_LINK_SPEED_10GHZ:
2881                         speeds = HBA_PORTSPEED_10GFC;
2882                         break;
2883                 case LPFC_LINK_SPEED_16GHZ:
2884                         speeds = HBA_PORTSPEED_16GFC;
2885                         break;
2886                 case LPFC_LINK_SPEED_32GHZ:
2887                         speeds = HBA_PORTSPEED_32GFC;
2888                         break;
2889                 case LPFC_LINK_SPEED_64GHZ:
2890                         speeds = HBA_PORTSPEED_64GFC;
2891                         break;
2892                 case LPFC_LINK_SPEED_128GHZ:
2893                         speeds = HBA_PORTSPEED_128GFC;
2894                         break;
2895                 case LPFC_LINK_SPEED_256GHZ:
2896                         speeds = HBA_PORTSPEED_256GFC;
2897                         break;
2898                 default:
2899                         speeds = HBA_PORTSPEED_UNKNOWN;
2900                         break;
2901                 }
2902         } else {
2903                 switch (phba->fc_linkspeed) {
2904                 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2905                         speeds = HBA_PORTSPEED_10GE;
2906                         break;
2907                 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2908                         speeds = HBA_PORTSPEED_25GE;
2909                         break;
2910                 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2911                         speeds = HBA_PORTSPEED_40GE;
2912                         break;
2913                 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2914                         speeds = HBA_PORTSPEED_100GE;
2915                         break;
2916                 default:
2917                         speeds = HBA_PORTSPEED_UNKNOWN;
2918                         break;
2919                 }
2920         }
2921
2922         return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_SPEED, speeds);
2923 }
2924
2925 static int
2926 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport, void *attr)
2927 {
2928         struct serv_parm *hsp = (struct serv_parm *)&vport->fc_sparam;
2929
2930         return lpfc_fdmi_set_attr_u32(attr, RPRT_MAX_FRAME_SIZE,
2931                         (((uint32_t)hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
2932                           (uint32_t)hsp->cmn.bbRcvSizeLsb);
2933 }
2934
2935 static int
2936 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport, void *attr)
2937 {
2938         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2939         char buf[64] = { 0 };
2940
2941         snprintf(buf, sizeof(buf), "/sys/class/scsi_host/host%d",
2942                  shost->host_no);
2943
2944         return lpfc_fdmi_set_attr_string(attr, RPRT_OS_DEVICE_NAME, buf);
2945 }
2946
2947 static int
2948 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport, void *attr)
2949 {
2950         char buf[64] = { 0 };
2951
2952         scnprintf(buf, sizeof(buf), "%s", vport->phba->os_host_name);
2953
2954         return lpfc_fdmi_set_attr_string(attr, RPRT_HOST_NAME, buf);
2955 }
2956
2957 static int
2958 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport, void *attr)
2959 {
2960         return lpfc_fdmi_set_attr_wwn(attr, RPRT_NODENAME,
2961                         &vport->fc_sparam.nodeName);
2962 }
2963
2964 static int
2965 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport, void *attr)
2966 {
2967         return lpfc_fdmi_set_attr_wwn(attr, RPRT_PORTNAME,
2968                         &vport->fc_sparam.portName);
2969 }
2970
2971 static int
2972 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport, void *attr)
2973 {
2974         char buf[256] = { 0 };
2975
2976         lpfc_vport_symbolic_port_name(vport, buf, sizeof(buf));
2977
2978         return lpfc_fdmi_set_attr_string(attr, RPRT_SYM_PORTNAME, buf);
2979 }
2980
2981 static int
2982 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport, void *attr)
2983 {
2984         struct lpfc_hba *phba = vport->phba;
2985
2986         return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_TYPE,
2987                         (phba->fc_topology == LPFC_TOPOLOGY_LOOP) ?
2988                                 LPFC_FDMI_PORTTYPE_NLPORT :
2989                                 LPFC_FDMI_PORTTYPE_NPORT);
2990 }
2991
2992 static int
2993 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport, void *attr)
2994 {
2995         return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_CLASS,
2996                         FC_COS_CLASS2 | FC_COS_CLASS3);
2997 }
2998
2999 static int
3000 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport, void *attr)
3001 {
3002         return lpfc_fdmi_set_attr_wwn(attr, RPRT_FABRICNAME,
3003                         &vport->fabric_portname);
3004 }
3005
3006 static int
3007 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport, void *attr)
3008 {
3009         struct lpfc_hba *phba = vport->phba;
3010         u32 fc4types;
3011
3012         fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP);
3013
3014         /* Check to see if NVME is configured or not */
3015         if (vport == phba->pport &&
3016             phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3017                 fc4types |= ATTR_FC4_NVME;
3018
3019         return lpfc_fdmi_set_attr_fc4types(attr, RPRT_ACTIVE_FC4_TYPES,
3020                         fc4types);
3021 }
3022
3023 static int
3024 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport, void *attr)
3025 {
3026         return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_STATE,
3027                         LPFC_FDMI_PORTSTATE_ONLINE);
3028 }
3029
3030 static int
3031 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport, void *attr)
3032 {
3033         vport->fdmi_num_disc = lpfc_find_map_node(vport);
3034
3035         return lpfc_fdmi_set_attr_u32(attr, RPRT_DISC_PORT,
3036                         vport->fdmi_num_disc);
3037 }
3038
3039 static int
3040 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport, void *attr)
3041 {
3042         return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_ID, vport->fc_myDID);
3043 }
3044
3045 static int
3046 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport, void *attr)
3047 {
3048         return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_SERVICE,
3049                         "Smart SAN Initiator");
3050 }
3051
3052 static int
3053 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport, void *attr)
3054 {
3055         return lpfc_fdmi_set_attr_fullwwn(attr, RPRT_SMART_GUID,
3056                         &vport->fc_sparam.nodeName,
3057                         &vport->fc_sparam.portName);
3058 }
3059
3060 static int
3061 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport, void *attr)
3062 {
3063         return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_VERSION,
3064                         "Smart SAN Version 2.0");
3065 }
3066
3067 static int
3068 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport, void *attr)
3069 {
3070         struct lpfc_hba *phba = vport->phba;
3071
3072         return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_MODEL,
3073                         phba->ModelName);
3074 }
3075
3076 static int
3077 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport, void *attr)
3078 {
3079         /* SRIOV (type 3) is not supported */
3080
3081         return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_PORT_INFO,
3082                         (vport->vpi) ?  2 /* NPIV */ : 1 /* Physical */);
3083 }
3084
3085 static int
3086 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport, void *attr)
3087 {
3088         return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_QOS, 0);
3089 }
3090
3091 static int
3092 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport, void *attr)
3093 {
3094         return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_SECURITY, 1);
3095 }
3096
3097 static int
3098 lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport, void *attr)
3099 {
3100         struct lpfc_hba *phba = vport->phba;
3101         char buf[32] = { 0 };
3102
3103         sprintf(buf, "ELXE2EM:%04d", phba->sli4_hba.pc_sli4_params.mi_ver);
3104
3105         return lpfc_fdmi_set_attr_string(attr, RPRT_VENDOR_MI, buf);
3106 }
3107
3108 /* RHBA attribute jump table */
3109 static int (*lpfc_fdmi_hba_action[])
3110         (struct lpfc_vport *vport, void *attrbuf) = {
3111         /* Action routine                 Mask bit     Attribute type */
3112         lpfc_fdmi_hba_attr_wwnn,          /* bit0     RHBA_NODENAME           */
3113         lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
3114         lpfc_fdmi_hba_attr_sn,            /* bit2     RHBA_SERIAL_NUMBER      */
3115         lpfc_fdmi_hba_attr_model,         /* bit3     RHBA_MODEL              */
3116         lpfc_fdmi_hba_attr_description,   /* bit4     RHBA_MODEL_DESCRIPTION  */
3117         lpfc_fdmi_hba_attr_hdw_ver,       /* bit5     RHBA_HARDWARE_VERSION   */
3118         lpfc_fdmi_hba_attr_drvr_ver,      /* bit6     RHBA_DRIVER_VERSION     */
3119         lpfc_fdmi_hba_attr_rom_ver,       /* bit7     RHBA_OPTION_ROM_VERSION */
3120         lpfc_fdmi_hba_attr_fmw_ver,       /* bit8     RHBA_FIRMWARE_VERSION   */
3121         lpfc_fdmi_hba_attr_os_ver,        /* bit9     RHBA_OS_NAME_VERSION    */
3122         lpfc_fdmi_hba_attr_ct_len,        /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
3123         lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
3124         lpfc_fdmi_hba_attr_vendor_info,   /* bit12    RHBA_VENDOR_INFO        */
3125         lpfc_fdmi_hba_attr_num_ports,     /* bit13    RHBA_NUM_PORTS          */
3126         lpfc_fdmi_hba_attr_fabric_wwnn,   /* bit14    RHBA_FABRIC_WWNN        */
3127         lpfc_fdmi_hba_attr_bios_ver,      /* bit15    RHBA_BIOS_VERSION       */
3128         lpfc_fdmi_hba_attr_bios_state,    /* bit16    RHBA_BIOS_STATE         */
3129         lpfc_fdmi_hba_attr_vendor_id,     /* bit17    RHBA_VENDOR_ID          */
3130 };
3131
3132 /* RPA / RPRT attribute jump table */
3133 static int (*lpfc_fdmi_port_action[])
3134         (struct lpfc_vport *vport, void *attrbuf) = {
3135         /* Action routine                   Mask bit   Attribute type */
3136         lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
3137         lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
3138         lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
3139         lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
3140         lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
3141         lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
3142         lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
3143         lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
3144         lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
3145         lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
3146         lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
3147         lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
3148         lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
3149         lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
3150         lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
3151         lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
3152         lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
3153         lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
3154         lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
3155         lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
3156         lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
3157         lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
3158         lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
3159         lpfc_fdmi_vendor_attr_mi,           /* bit23  RPRT_VENDOR_MI          */
3160 };
3161
3162 /**
3163  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3164  * @vport: pointer to a host virtual N_Port data structure.
3165  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3166  * @cmdcode: FDMI command to send
3167  * @new_mask: Mask of HBA or PORT Attributes to send
3168  *
3169  * Builds and sends a FDMI command using the CT subsystem.
3170  */
3171 int
3172 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3173               int cmdcode, uint32_t new_mask)
3174 {
3175         struct lpfc_hba *phba = vport->phba;
3176         struct lpfc_dmabuf *rq, *rsp;
3177         struct lpfc_sli_ct_request *CtReq;
3178         struct ulp_bde64_le *bde;
3179         uint32_t bit_pos;
3180         uint32_t size, addsz;
3181         uint32_t rsp_size;
3182         uint32_t mask;
3183         struct lpfc_fdmi_reg_hba *rh;
3184         struct lpfc_fdmi_port_entry *pe;
3185         struct lpfc_fdmi_reg_portattr *pab = NULL, *base = NULL;
3186         struct lpfc_fdmi_attr_block *ab = NULL;
3187         int  (*func)(struct lpfc_vport *vport, void *attrbuf);
3188         void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3189                      struct lpfc_iocbq *rspiocb);
3190
3191         if (!ndlp)
3192                 return 0;
3193
3194         cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3195
3196         /* fill in BDEs for command */
3197         /* Allocate buffer for command payload */
3198         rq = kmalloc(sizeof(*rq), GFP_KERNEL);
3199         if (!rq)
3200                 goto fdmi_cmd_exit;
3201
3202         rq->virt = lpfc_mbuf_alloc(phba, 0, &rq->phys);
3203         if (!rq->virt)
3204                 goto fdmi_cmd_free_rq;
3205
3206         /* Allocate buffer for Buffer ptr list */
3207         rsp = kmalloc(sizeof(*rsp), GFP_KERNEL);
3208         if (!rsp)
3209                 goto fdmi_cmd_free_rqvirt;
3210
3211         rsp->virt = lpfc_mbuf_alloc(phba, 0, &rsp->phys);
3212         if (!rsp->virt)
3213                 goto fdmi_cmd_free_rsp;
3214
3215         INIT_LIST_HEAD(&rq->list);
3216         INIT_LIST_HEAD(&rsp->list);
3217
3218         /* mbuf buffers are 1K in length - aka LPFC_BPL_SIZE */
3219         memset(rq->virt, 0, LPFC_BPL_SIZE);
3220         rsp_size = LPFC_BPL_SIZE;
3221
3222         /* FDMI request */
3223         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3224                          "0218 FDMI Request x%x mask x%x Data: x%x x%lx x%x\n",
3225                          cmdcode, new_mask, vport->fdmi_port_mask,
3226                          vport->fc_flag, vport->port_state);
3227
3228         CtReq = (struct lpfc_sli_ct_request *)rq->virt;
3229
3230         /* First populate the CT_IU preamble */
3231         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3232         CtReq->RevisionId.bits.InId = 0;
3233
3234         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3235         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3236
3237         CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3238
3239         size = 0;
3240
3241         /* Next fill in the specific FDMI cmd information */
3242         switch (cmdcode) {
3243         case SLI_MGMT_RHAT:
3244         case SLI_MGMT_RHBA:
3245                 rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un;
3246                 /* HBA Identifier */
3247                 memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3248                        sizeof(struct lpfc_name));
3249                 size += sizeof(struct lpfc_fdmi_hba_ident);
3250
3251                 if (cmdcode == SLI_MGMT_RHBA) {
3252                         /* Registered Port List */
3253                         /* One entry (port) per adapter */
3254                         rh->rpl.EntryCnt = cpu_to_be32(1);
3255                         memcpy(&rh->rpl.pe.PortName,
3256                                &phba->pport->fc_sparam.portName,
3257                                sizeof(struct lpfc_name));
3258                         size += sizeof(struct lpfc_fdmi_reg_port_list);
3259                 }
3260
3261                 ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3262                 ab->EntryCnt = 0;
3263                 size += FOURBYTES;      /* add length of EntryCnt field */
3264
3265                 bit_pos = 0;
3266                 if (new_mask)
3267                         mask = new_mask;
3268                 else
3269                         mask = vport->fdmi_hba_mask;
3270
3271                 /* Mask will dictate what attributes to build in the request */
3272                 while (mask) {
3273                         if (mask & 0x1) {
3274                                 func = lpfc_fdmi_hba_action[bit_pos];
3275                                 addsz = func(vport, ((uint8_t *)rh + size));
3276                                 if (addsz) {
3277                                         ab->EntryCnt++;
3278                                         size += addsz;
3279                                 }
3280                                 /* check if another attribute fits */
3281                                 if ((size + FDMI_MAX_ATTRLEN) >
3282                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3283                                         goto hba_out;
3284                         }
3285                         mask = mask >> 1;
3286                         bit_pos++;
3287                 }
3288 hba_out:
3289                 ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3290                 /* Total size */
3291                 size += GID_REQUEST_SZ - 4;
3292                 break;
3293
3294         case SLI_MGMT_RPRT:
3295                 if (vport->port_type != LPFC_PHYSICAL_PORT) {
3296                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3297                         if (!ndlp)
3298                                 return 0;
3299                 }
3300                 fallthrough;
3301         case SLI_MGMT_RPA:
3302                 /* Store base ptr right after preamble */
3303                 base = (struct lpfc_fdmi_reg_portattr *)&CtReq->un;
3304
3305                 if (cmdcode == SLI_MGMT_RPRT) {
3306                         rh = (struct lpfc_fdmi_reg_hba *)base;
3307                         /* HBA Identifier */
3308                         memcpy(&rh->hi.PortName,
3309                                &phba->pport->fc_sparam.portName,
3310                                sizeof(struct lpfc_name));
3311                         pab = (struct lpfc_fdmi_reg_portattr *)
3312                                 ((uint8_t *)base + sizeof(struct lpfc_name));
3313                         size += sizeof(struct lpfc_name);
3314                 } else {
3315                         pab = base;
3316                 }
3317
3318                 memcpy((uint8_t *)&pab->PortName,
3319                        (uint8_t *)&vport->fc_sparam.portName,
3320                        sizeof(struct lpfc_name));
3321                 pab->ab.EntryCnt = 0;
3322                 /* add length of name and EntryCnt field */
3323                 size += sizeof(struct lpfc_name) + FOURBYTES;
3324
3325                 bit_pos = 0;
3326                 if (new_mask)
3327                         mask = new_mask;
3328                 else
3329                         mask = vport->fdmi_port_mask;
3330
3331                 /* Mask will dictate what attributes to build in the request */
3332                 while (mask) {
3333                         if (mask & 0x1) {
3334                                 func = lpfc_fdmi_port_action[bit_pos];
3335                                 addsz = func(vport, ((uint8_t *)base + size));
3336                                 if (addsz) {
3337                                         pab->ab.EntryCnt++;
3338                                         size += addsz;
3339                                 }
3340                                 /* check if another attribute fits */
3341                                 if ((size + FDMI_MAX_ATTRLEN) >
3342                                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3343                                         goto port_out;
3344                         }
3345                         mask = mask >> 1;
3346                         bit_pos++;
3347                 }
3348 port_out:
3349                 pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3350                 size += GID_REQUEST_SZ - 4;
3351                 break;
3352
3353         case SLI_MGMT_GHAT:
3354         case SLI_MGMT_GRPL:
3355                 rsp_size = FC_MAX_NS_RSP;
3356                 fallthrough;
3357         case SLI_MGMT_DHBA:
3358         case SLI_MGMT_DHAT:
3359                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un;
3360                 memcpy((uint8_t *)&pe->PortName,
3361                        (uint8_t *)&vport->fc_sparam.portName,
3362                        sizeof(struct lpfc_name));
3363                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3364                 break;
3365
3366         case SLI_MGMT_GPAT:
3367         case SLI_MGMT_GPAS:
3368                 rsp_size = FC_MAX_NS_RSP;
3369                 fallthrough;
3370         case SLI_MGMT_DPRT:
3371                 if (vport->port_type != LPFC_PHYSICAL_PORT) {
3372                         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3373                         if (!ndlp)
3374                                 return 0;
3375                 }
3376                 fallthrough;
3377         case SLI_MGMT_DPA:
3378                 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un;
3379                 memcpy((uint8_t *)&pe->PortName,
3380                        (uint8_t *)&vport->fc_sparam.portName,
3381                        sizeof(struct lpfc_name));
3382                 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3383                 break;
3384         case SLI_MGMT_GRHL:
3385                 size = GID_REQUEST_SZ - 4;
3386                 break;
3387         default:
3388                 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3389                                  "0298 FDMI cmdcode x%x not supported\n",
3390                                  cmdcode);
3391                 goto fdmi_cmd_free_rspvirt;
3392         }
3393         CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3394
3395         bde = (struct ulp_bde64_le *)rsp->virt;
3396         bde->addr_high = cpu_to_le32(putPaddrHigh(rq->phys));
3397         bde->addr_low = cpu_to_le32(putPaddrLow(rq->phys));
3398         bde->type_size = cpu_to_le32(ULP_BDE64_TYPE_BDE_64 <<
3399                                      ULP_BDE64_TYPE_SHIFT);
3400         bde->type_size |= cpu_to_le32(size);
3401
3402         /*
3403          * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3404          * to hold ndlp reference for the corresponding callback function.
3405          */
3406         if (!lpfc_ct_cmd(vport, rq, rsp, ndlp, cmpl, rsp_size, 0))
3407                 return 0;
3408
3409 fdmi_cmd_free_rspvirt:
3410         lpfc_mbuf_free(phba, rsp->virt, rsp->phys);
3411 fdmi_cmd_free_rsp:
3412         kfree(rsp);
3413 fdmi_cmd_free_rqvirt:
3414         lpfc_mbuf_free(phba, rq->virt, rq->phys);
3415 fdmi_cmd_free_rq:
3416         kfree(rq);
3417 fdmi_cmd_exit:
3418         /* Issue FDMI request failed */
3419         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3420                          "0244 Issue FDMI request failed Data: x%x\n",
3421                          cmdcode);
3422         return 1;
3423 }
3424
3425 /**
3426  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3427  * @t: Context object of the timer.
3428  *
3429  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3430  * the worker thread.
3431  **/
3432 void
3433 lpfc_delayed_disc_tmo(struct timer_list *t)
3434 {
3435         struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3436         struct lpfc_hba   *phba = vport->phba;
3437         uint32_t tmo_posted;
3438         unsigned long iflag;
3439
3440         spin_lock_irqsave(&vport->work_port_lock, iflag);
3441         tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3442         if (!tmo_posted)
3443                 vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3444         spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3445
3446         if (!tmo_posted)
3447                 lpfc_worker_wake_up(phba);
3448         return;
3449 }
3450
3451 /**
3452  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3453  *      handle delayed discovery.
3454  * @vport: pointer to a host virtual N_Port data structure.
3455  *
3456  * This function start nport discovery of the vport.
3457  **/
3458 void
3459 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3460 {
3461         if (!test_and_clear_bit(FC_DISC_DELAYED, &vport->fc_flag))
3462                 return;
3463
3464         lpfc_do_scr_ns_plogi(vport->phba, vport);
3465 }
3466
3467 void
3468 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3469 {
3470         struct lpfc_sli *psli = &phba->sli;
3471         lpfc_vpd_t *vp = &phba->vpd;
3472         uint32_t b1, b2, b3, b4, i, rev;
3473         char c;
3474         uint32_t *ptr, str[4];
3475         uint8_t *fwname;
3476
3477         if (phba->sli_rev == LPFC_SLI_REV4)
3478                 snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3479         else if (vp->rev.rBit) {
3480                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
3481                         rev = vp->rev.sli2FwRev;
3482                 else
3483                         rev = vp->rev.sli1FwRev;
3484
3485                 b1 = (rev & 0x0000f000) >> 12;
3486                 b2 = (rev & 0x00000f00) >> 8;
3487                 b3 = (rev & 0x000000c0) >> 6;
3488                 b4 = (rev & 0x00000030) >> 4;
3489
3490                 switch (b4) {
3491                 case 0:
3492                         c = 'N';
3493                         break;
3494                 case 1:
3495                         c = 'A';
3496                         break;
3497                 case 2:
3498                         c = 'B';
3499                         break;
3500                 case 3:
3501                         c = 'X';
3502                         break;
3503                 default:
3504                         c = 0;
3505                         break;
3506                 }
3507                 b4 = (rev & 0x0000000f);
3508
3509                 if (psli->sli_flag & LPFC_SLI_ACTIVE)
3510                         fwname = vp->rev.sli2FwName;
3511                 else
3512                         fwname = vp->rev.sli1FwName;
3513
3514                 for (i = 0; i < 16; i++)
3515                         if (fwname[i] == 0x20)
3516                                 fwname[i] = 0;
3517
3518                 ptr = (uint32_t*)fwname;
3519
3520                 for (i = 0; i < 3; i++)
3521                         str[i] = be32_to_cpu(*ptr++);
3522
3523                 if (c == 0) {
3524                         if (flag)
3525                                 sprintf(fwrevision, "%d.%d%d (%s)",
3526                                         b1, b2, b3, (char *)str);
3527                         else
3528                                 sprintf(fwrevision, "%d.%d%d", b1,
3529                                         b2, b3);
3530                 } else {
3531                         if (flag)
3532                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3533                                         b1, b2, b3, c,
3534                                         b4, (char *)str);
3535                         else
3536                                 sprintf(fwrevision, "%d.%d%d%c%d",
3537                                         b1, b2, b3, c, b4);
3538                 }
3539         } else {
3540                 rev = vp->rev.smFwRev;
3541
3542                 b1 = (rev & 0xff000000) >> 24;
3543                 b2 = (rev & 0x00f00000) >> 20;
3544                 b3 = (rev & 0x000f0000) >> 16;
3545                 c  = (rev & 0x0000ff00) >> 8;
3546                 b4 = (rev & 0x000000ff);
3547
3548                 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3549         }
3550         return;
3551 }
3552
3553 static void
3554 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3555                       struct lpfc_iocbq *rspiocb)
3556 {
3557         struct lpfc_vport *vport = cmdiocb->vport;
3558         struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
3559         struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
3560         struct lpfc_sli_ct_request *ctcmd = inp->virt;
3561         struct lpfc_sli_ct_request *ctrsp = outp->virt;
3562         __be16 rsp = ctrsp->CommandResponse.bits.CmdRsp;
3563         struct app_id_object *app;
3564         struct lpfc_nodelist *ndlp = cmdiocb->ndlp;
3565         u32 cmd, hash, bucket;
3566         struct lpfc_vmid *vmp, *cur;
3567         u8 *data = outp->virt;
3568         int i;
3569
3570         cmd = be16_to_cpu(ctcmd->CommandResponse.bits.CmdRsp);
3571         if (cmd == SLI_CTAS_DALLAPP_ID)
3572                 lpfc_ct_free_iocb(phba, cmdiocb);
3573
3574         if (lpfc_els_chk_latt(vport) || get_job_ulpstatus(phba, rspiocb)) {
3575                 if (cmd != SLI_CTAS_DALLAPP_ID)
3576                         goto free_res;
3577         }
3578         /* Check for a CT LS_RJT response */
3579         if (be16_to_cpu(rsp) == SLI_CT_RESPONSE_FS_RJT) {
3580                 if (cmd != SLI_CTAS_DALLAPP_ID)
3581                         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3582                                          "3306 VMID FS_RJT Data: x%x x%x x%x\n",
3583                                          cmd, ctrsp->ReasonCode,
3584                                          ctrsp->Explanation);
3585                 if ((cmd != SLI_CTAS_DALLAPP_ID) ||
3586                     (ctrsp->ReasonCode != SLI_CT_UNABLE_TO_PERFORM_REQ) ||
3587                     (ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) {
3588                         /* If DALLAPP_ID failed retry later */
3589                         if (cmd == SLI_CTAS_DALLAPP_ID)
3590                                 set_bit(FC_DEREGISTER_ALL_APP_ID,
3591                                         &vport->load_flag);
3592                         goto free_res;
3593                 }
3594         }
3595
3596         switch (cmd) {
3597         case SLI_CTAS_RAPP_IDENT:
3598                 app = (struct app_id_object *)(RAPP_IDENT_OFFSET + data);
3599                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3600                                  "6712 RAPP_IDENT app id %d  port id x%x id "
3601                                  "len %d\n", be32_to_cpu(app->app_id),
3602                                  be32_to_cpu(app->port_id),
3603                                  app->obj.entity_id_len);
3604
3605                 if (app->obj.entity_id_len == 0 || app->port_id == 0)
3606                         goto free_res;
3607
3608                 hash = lpfc_vmid_hash_fn(app->obj.entity_id,
3609                                          app->obj.entity_id_len);
3610                 vmp = lpfc_get_vmid_from_hashtable(vport, hash,
3611                                                   app->obj.entity_id);
3612                 if (vmp) {
3613                         write_lock(&vport->vmid_lock);
3614                         vmp->un.app_id = be32_to_cpu(app->app_id);
3615                         vmp->flag |= LPFC_VMID_REGISTERED;
3616                         vmp->flag &= ~LPFC_VMID_REQ_REGISTER;
3617                         write_unlock(&vport->vmid_lock);
3618                         /* Set IN USE flag */
3619                         vport->vmid_flag |= LPFC_VMID_IN_USE;
3620                 } else {
3621                         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3622                                          "6901 No entry found %s hash %d\n",
3623                                          app->obj.entity_id, hash);
3624                 }
3625                 break;
3626         case SLI_CTAS_DAPP_IDENT:
3627                 app = (struct app_id_object *)(DAPP_IDENT_OFFSET + data);
3628                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3629                                  "6713 DAPP_IDENT app id %d  port id x%x\n",
3630                                  be32_to_cpu(app->app_id),
3631                                  be32_to_cpu(app->port_id));
3632                 break;
3633         case SLI_CTAS_DALLAPP_ID:
3634                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3635                                  "8856 Deregistered all app ids\n");
3636                 read_lock(&vport->vmid_lock);
3637                 for (i = 0; i < phba->cfg_max_vmid; i++) {
3638                         vmp = &vport->vmid[i];
3639                         if (vmp->flag != LPFC_VMID_SLOT_FREE)
3640                                 memset(vmp, 0, sizeof(struct lpfc_vmid));
3641                 }
3642                 read_unlock(&vport->vmid_lock);
3643                 /* for all elements in the hash table */
3644                 if (!hash_empty(vport->hash_table))
3645                         hash_for_each(vport->hash_table, bucket, cur, hnode)
3646                                 hash_del(&cur->hnode);
3647                 set_bit(FC_ALLOW_VMID, &vport->load_flag);
3648                 break;
3649         default:
3650                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3651                                  "8857 Invalid command code\n");
3652         }
3653 free_res:
3654         lpfc_ct_free_iocb(phba, cmdiocb);
3655         lpfc_nlp_put(ndlp);
3656 }
3657
3658 /**
3659  * lpfc_vmid_cmd - Build and send a FDMI cmd to the specified NPort
3660  * @vport: pointer to a host virtual N_Port data structure.
3661  * @cmdcode: application server command code to send
3662  * @vmid: pointer to vmid info structure
3663  *
3664  * Builds and sends a FDMI command using the CT subsystem.
3665  */
3666 int
3667 lpfc_vmid_cmd(struct lpfc_vport *vport,
3668               int cmdcode, struct lpfc_vmid *vmid)
3669 {
3670         struct lpfc_hba *phba = vport->phba;
3671         struct lpfc_dmabuf *mp, *bmp;
3672         struct lpfc_sli_ct_request *ctreq;
3673         struct ulp_bde64 *bpl;
3674         u32 size;
3675         u32 rsp_size;
3676         u8 *data;
3677         struct lpfc_vmid_rapp_ident_list *rap;
3678         struct lpfc_vmid_dapp_ident_list *dap;
3679         u8 retry = 0;
3680         struct lpfc_nodelist *ndlp;
3681
3682         void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3683                      struct lpfc_iocbq *rspiocb);
3684
3685         ndlp = lpfc_findnode_did(vport, FDMI_DID);
3686         if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
3687                 return 0;
3688
3689         cmpl = lpfc_cmpl_ct_cmd_vmid;
3690
3691         /* fill in BDEs for command */
3692         /* Allocate buffer for command payload */
3693         mp = kmalloc(sizeof(*mp), GFP_KERNEL);
3694         if (!mp)
3695                 goto vmid_free_mp_exit;
3696
3697         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3698         if (!mp->virt)
3699                 goto vmid_free_mp_virt_exit;
3700
3701         /* Allocate buffer for Buffer ptr list */
3702         bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
3703         if (!bmp)
3704                 goto vmid_free_bmp_exit;
3705
3706         bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
3707         if (!bmp->virt)
3708                 goto vmid_free_bmp_virt_exit;
3709
3710         INIT_LIST_HEAD(&mp->list);
3711         INIT_LIST_HEAD(&bmp->list);
3712
3713         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3714                          "3275 VMID Request Data: x%lx x%x x%x\n",
3715                          vport->fc_flag, vport->port_state, cmdcode);
3716         ctreq = (struct lpfc_sli_ct_request *)mp->virt;
3717         data = mp->virt;
3718         /* First populate the CT_IU preamble */
3719         memset(data, 0, LPFC_BPL_SIZE);
3720         ctreq->RevisionId.bits.Revision = SLI_CT_REVISION;
3721         ctreq->RevisionId.bits.InId = 0;
3722
3723         ctreq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3724         ctreq->FsSubType = SLI_CT_APP_SEV_Subtypes;
3725
3726         ctreq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3727         rsp_size = LPFC_BPL_SIZE;
3728         size = 0;
3729
3730         switch (cmdcode) {
3731         case SLI_CTAS_RAPP_IDENT:
3732                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3733                                  "1329 RAPP_IDENT for %s\n", vmid->host_vmid);
3734                 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3735                 rap = (struct lpfc_vmid_rapp_ident_list *)
3736                         (DAPP_IDENT_OFFSET + data);
3737                 rap->no_of_objects = cpu_to_be32(1);
3738                 rap->obj[0].entity_id_len = vmid->vmid_len;
3739                 memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3740                 size = RAPP_IDENT_OFFSET +
3741                        struct_size(rap, obj, be32_to_cpu(rap->no_of_objects));
3742                 retry = 1;
3743                 break;
3744
3745         case SLI_CTAS_GALLAPPIA_ID:
3746                 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3747                 size = GALLAPPIA_ID_SIZE;
3748                 break;
3749
3750         case SLI_CTAS_DAPP_IDENT:
3751                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3752                                  "1469 DAPP_IDENT for %s\n", vmid->host_vmid);
3753                 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3754                 dap = (struct lpfc_vmid_dapp_ident_list *)
3755                         (DAPP_IDENT_OFFSET + data);
3756                 dap->no_of_objects = cpu_to_be32(1);
3757                 dap->obj[0].entity_id_len = vmid->vmid_len;
3758                 memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3759                 size = DAPP_IDENT_OFFSET +
3760                        struct_size(dap, obj, be32_to_cpu(dap->no_of_objects));
3761                 write_lock(&vport->vmid_lock);
3762                 vmid->flag &= ~LPFC_VMID_REGISTERED;
3763                 write_unlock(&vport->vmid_lock);
3764                 retry = 1;
3765                 break;
3766
3767         case SLI_CTAS_DALLAPP_ID:
3768                 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3769                 size = DALLAPP_ID_SIZE;
3770                 break;
3771
3772         default:
3773                 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3774                                  "7062 VMID cmdcode x%x not supported\n",
3775                                  cmdcode);
3776                 goto vmid_free_all_mem;
3777         }
3778
3779         ctreq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3780
3781         bpl = (struct ulp_bde64 *)bmp->virt;
3782         bpl->addrHigh = putPaddrHigh(mp->phys);
3783         bpl->addrLow = putPaddrLow(mp->phys);
3784         bpl->tus.f.bdeFlags = 0;
3785         bpl->tus.f.bdeSize = size;
3786
3787         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3788          * to hold ndlp reference for the corresponding callback function.
3789          */
3790         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry))
3791                 return 0;
3792
3793  vmid_free_all_mem:
3794         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3795  vmid_free_bmp_virt_exit:
3796         kfree(bmp);
3797  vmid_free_bmp_exit:
3798         lpfc_mbuf_free(phba, mp->virt, mp->phys);
3799  vmid_free_mp_virt_exit:
3800         kfree(mp);
3801  vmid_free_mp_exit:
3802
3803         /* Issue CT request failed */
3804         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3805                          "3276 VMID CT request failed Data: x%x\n", cmdcode);
3806         return -EIO;
3807 }