SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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) 2004-2008 Emulex.  All rights reserved.           *
   5  * EMULEX and SLI are trademarks of Emulex.                        *
   6  * www.emulex.com                                                  *
   7  *                                                                 *
   8  * This program is free software; you can redistribute it and/or   *
   9  * modify it under the terms of version 2 of the GNU General       *
  10  * Public License as published by the Free Software Foundation.    *
  11  * This program is distributed in the hope that it will be useful. *
  12  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  13  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  14  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  15  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  16  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  17  * more details, a copy of which can be found in the file COPYING  *
  18  * included with this package.                                     *
  19  *******************************************************************/
  20
  21 /*
  22  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
  23  */
  24
  25 #include <linux/blkdev.h>
  26 #include <linux/pci.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/utsname.h>
  29
  30 #include <scsi/scsi.h>
  31 #include <scsi/scsi_device.h>
  32 #include <scsi/scsi_host.h>
  33 #include <scsi/scsi_transport_fc.h>
  34
  35 #include "lpfc_hw.h"
  36 #include "lpfc_sli.h"
  37 #include "lpfc_disc.h"
  38 #include "lpfc_scsi.h"
  39 #include "lpfc.h"
  40 #include "lpfc_logmsg.h"
  41 #include "lpfc_crtn.h"
  42 #include "lpfc_version.h"
  43 #include "lpfc_vport.h"
  44 #include "lpfc_debugfs.h"
  45
  46 #define HBA_PORTSPEED_UNKNOWN               0   /* Unknown - transceiver
  47                                                  * incapable of reporting */
  48 #define HBA_PORTSPEED_1GBIT                 1   /* 1 GBit/sec */
  49 #define HBA_PORTSPEED_2GBIT                 2   /* 2 GBit/sec */
  50 #define HBA_PORTSPEED_4GBIT                 8   /* 4 GBit/sec */
  51 #define HBA_PORTSPEED_8GBIT                16   /* 8 GBit/sec */
  52 #define HBA_PORTSPEED_10GBIT                4   /* 10 GBit/sec */
  53 #define HBA_PORTSPEED_NOT_NEGOTIATED        5   /* Speed not established */
  54
  55 #define FOURBYTES       4
  56
  57
  58 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
  59
  60 static void
  61 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  62                           struct lpfc_dmabuf *mp, uint32_t size)
  63 {
  64         if (!mp) {
  65                 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  66                                 "0146 Ignoring unsolicted CT No HBQ "
  67                                 "status = x%x\n",
  68                                 piocbq->iocb.ulpStatus);
  69         }
  70         lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
  71                         "0145 Ignoring unsolicted CT HBQ Size:%d "
  72                         "status = x%x\n",
  73                         size, piocbq->iocb.ulpStatus);
  74 }
  75
  76 static void
  77 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  78                      struct lpfc_dmabuf *mp, uint32_t size)
  79 {
  80         lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
  81 }
  82
  83 void
  84 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
  85                     struct lpfc_iocbq *piocbq)
  86 {
  87
  88         struct lpfc_dmabuf *mp = NULL;
  89         IOCB_t *icmd = &piocbq->iocb;
  90         int i;
  91         struct lpfc_iocbq *iocbq;
  92         dma_addr_t paddr;
  93         uint32_t size;
  94         struct list_head head;
  95         struct lpfc_dmabuf *bdeBuf;
  96
  97         if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
  98                 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
  99         } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 100                 ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
 101                 /* Not enough posted buffers; Try posting more buffers */
 102                 phba->fc_stat.NoRcvBuf++;
 103                 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
 104                         lpfc_post_buffer(phba, pring, 2, 1);
 105                 return;
 106         }
 107
 108         /* If there are no BDEs associated with this IOCB,
 109          * there is nothing to do.
 110          */
 111         if (icmd->ulpBdeCount == 0)
 112                 return;
 113
 114         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 115                 INIT_LIST_HEAD(&head);
 116                 list_add_tail(&head, &piocbq->list);
 117                 list_for_each_entry(iocbq, &head, list) {
 118                         icmd = &iocbq->iocb;
 119                         if (icmd->ulpBdeCount == 0)
 120                                 continue;
 121                         bdeBuf = iocbq->context2;
 122                         iocbq->context2 = NULL;
 123                         size  = icmd->un.cont64[0].tus.f.bdeSize;
 124                         lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
 125                         lpfc_in_buf_free(phba, bdeBuf);
 126                         if (icmd->ulpBdeCount == 2) {
 127                                 bdeBuf = iocbq->context3;
 128                                 iocbq->context3 = NULL;
 129                                 size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
 130                                 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
 131                                                      size);
 132                                 lpfc_in_buf_free(phba, bdeBuf);
 133                         }
 134                 }
 135                 list_del(&head);
 136         } else {
 137                 struct lpfc_iocbq  *next;
 138
 139                 list_for_each_entry_safe(iocbq, next, &piocbq->list, list) {
 140                         icmd = &iocbq->iocb;
 141                         if (icmd->ulpBdeCount == 0)
 142                                 lpfc_ct_unsol_buffer(phba, piocbq, NULL, 0);
 143                         for (i = 0; i < icmd->ulpBdeCount; i++) {
 144                                 paddr = getPaddr(icmd->un.cont64[i].addrHigh,
 145                                                  icmd->un.cont64[i].addrLow);
 146                                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
 147                                                               paddr);
 148                                 size = icmd->un.cont64[i].tus.f.bdeSize;
 149                                 lpfc_ct_unsol_buffer(phba, piocbq, mp, size);
 150                                 lpfc_in_buf_free(phba, mp);
 151                         }
 152                         list_del(&iocbq->list);
 153                         lpfc_sli_release_iocbq(phba, iocbq);
 154                         lpfc_post_buffer(phba, pring, i, 1);
 155                 }
 156         }
 157 }
 158
 159 static void
 160 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
 161 {
 162         struct lpfc_dmabuf *mlast, *next_mlast;
 163
 164         list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
 165                 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
 166                 list_del(&mlast->list);
 167                 kfree(mlast);
 168         }
 169         lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
 170         kfree(mlist);
 171         return;
 172 }
 173
 174 static struct lpfc_dmabuf *
 175 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 176                   uint32_t size, int *entries)
 177 {
 178         struct lpfc_dmabuf *mlist = NULL;
 179         struct lpfc_dmabuf *mp;
 180         int cnt, i = 0;
 181
 182         /* We get chunks of FCELSSIZE */
 183         cnt = size > FCELSSIZE ? FCELSSIZE: size;
 184
 185         while (size) {
 186                 /* Allocate buffer for rsp payload */
 187                 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 188                 if (!mp) {
 189                         if (mlist)
 190                                 lpfc_free_ct_rsp(phba, mlist);
 191                         return NULL;
 192                 }
 193
 194                 INIT_LIST_HEAD(&mp->list);
 195
 196                 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
 197                     cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
 198                         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
 199                 else
 200                         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
 201
 202                 if (!mp->virt) {
 203                         kfree(mp);
 204                         if (mlist)
 205                                 lpfc_free_ct_rsp(phba, mlist);
 206                         return NULL;
 207                 }
 208
 209                 /* Queue it to a linked list */
 210                 if (!mlist)
 211                         mlist = mp;
 212                 else
 213                         list_add_tail(&mp->list, &mlist->list);
 214
 215                 bpl->tus.f.bdeFlags = BUFF_USE_RCV;
 216                 /* build buffer ptr list for IOCB */
 217                 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 218                 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
 219                 bpl->tus.f.bdeSize = (uint16_t) cnt;
 220                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
 221                 bpl++;
 222
 223                 i++;
 224                 size -= cnt;
 225         }
 226
 227         *entries = i;
 228         return mlist;
 229 }
 230
 231 int
 232 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
 233 {
 234         struct lpfc_dmabuf *buf_ptr;
 235
 236         if (ctiocb->context_un.ndlp) {
 237                 lpfc_nlp_put(ctiocb->context_un.ndlp);
 238                 ctiocb->context_un.ndlp = NULL;
 239         }
 240         if (ctiocb->context1) {
 241                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
 242                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 243                 kfree(buf_ptr);
 244                 ctiocb->context1 = NULL;
 245         }
 246         if (ctiocb->context2) {
 247                 lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
 248                 ctiocb->context2 = NULL;
 249         }
 250
 251         if (ctiocb->context3) {
 252                 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
 253                 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 254                 kfree(buf_ptr);
 255                 ctiocb->context1 = NULL;
 256         }
 257         lpfc_sli_release_iocbq(phba, ctiocb);
 258         return 0;
 259 }
 260
 261 static int
 262 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 263              struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
 264              void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 265                      struct lpfc_iocbq *),
 266              struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
 267              uint32_t tmo, uint8_t retry)
 268 {
 269         struct lpfc_hba  *phba = vport->phba;
 270         struct lpfc_sli  *psli = &phba->sli;
 271         struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
 272         IOCB_t *icmd;
 273         struct lpfc_iocbq *geniocb;
 274         int rc;
 275
 276         /* Allocate buffer for  command iocb */
 277         geniocb = lpfc_sli_get_iocbq(phba);
 278
 279         if (geniocb == NULL)
 280                 return 1;
 281
 282         icmd = &geniocb->iocb;
 283         icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 284         icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 285         icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
 286         icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BDL;
 287         icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
 288
 289         if (usr_flg)
 290                 geniocb->context3 = NULL;
 291         else
 292                 geniocb->context3 = (uint8_t *) bmp;
 293
 294         /* Save for completion so we can release these resources */
 295         geniocb->context1 = (uint8_t *) inp;
 296         geniocb->context2 = (uint8_t *) outp;
 297         geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
 298
 299         /* Fill in payload, bp points to frame payload */
 300         icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
 301
 302         /* Fill in rest of iocb */
 303         icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 304         icmd->un.genreq64.w5.hcsw.Dfctl = 0;
 305         icmd->un.genreq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
 306         icmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
 307
 308         if (!tmo) {
 309                  /* FC spec states we need 3 * ratov for CT requests */
 310                 tmo = (3 * phba->fc_ratov);
 311         }
 312         icmd->ulpTimeout = tmo;
 313         icmd->ulpBdeCount = 1;
 314         icmd->ulpLe = 1;
 315         icmd->ulpClass = CLASS3;
 316         icmd->ulpContext = ndlp->nlp_rpi;
 317
 318         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 319                 /* For GEN_REQUEST64_CR, use the RPI */
 320                 icmd->ulpCt_h = 0;
 321                 icmd->ulpCt_l = 0;
 322         }
 323
 324         /* Issue GEN REQ IOCB for NPORT <did> */
 325         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
 326                          "0119 Issue GEN REQ IOCB to NPORT x%x "
 327                          "Data: x%x x%x\n",
 328                          ndlp->nlp_DID, icmd->ulpIoTag,
 329                          vport->port_state);
 330         geniocb->iocb_cmpl = cmpl;
 331         geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
 332         geniocb->vport = vport;
 333         geniocb->retry = retry;
 334         rc = lpfc_sli_issue_iocb(phba, pring, geniocb, 0);
 335
 336         if (rc == IOCB_ERROR) {
 337                 lpfc_sli_release_iocbq(phba, geniocb);
 338                 return 1;
 339         }
 340
 341         return 0;
 342 }
 343
 344 static int
 345 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 346             struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
 347             void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
 348                           struct lpfc_iocbq *),
 349             uint32_t rsp_size, uint8_t retry)
 350 {
 351         struct lpfc_hba  *phba = vport->phba;
 352         struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
 353         struct lpfc_dmabuf *outmp;
 354         int cnt = 0, status;
 355         int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
 356                 CommandResponse.bits.CmdRsp;
 357
 358         bpl++;                  /* Skip past ct request */
 359
 360         /* Put buffer(s) for ct rsp in bpl */
 361         outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 362         if (!outmp)
 363                 return -ENOMEM;
 364
 365         status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
 366                               cnt+1, 0, retry);
 367         if (status) {
 368                 lpfc_free_ct_rsp(phba, outmp);
 369                 return -ENOMEM;
 370         }
 371         return 0;
 372 }
 373
 374 struct lpfc_vport *
 375 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
 376         struct lpfc_vport *vport_curr;
 377         unsigned long flags;
 378
 379         spin_lock_irqsave(&phba->hbalock, flags);
 380         list_for_each_entry(vport_curr, &phba->port_list, listentry) {
 381                 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
 382                         spin_unlock_irqrestore(&phba->hbalock, flags);
 383                         return vport_curr;
 384                 }
 385         }
 386         spin_unlock_irqrestore(&phba->hbalock, flags);
 387         return NULL;
 388 }
 389
 390 static int
 391 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
 392 {
 393         struct lpfc_hba  *phba = vport->phba;
 394         struct lpfc_sli_ct_request *Response =
 395                 (struct lpfc_sli_ct_request *) mp->virt;
 396         struct lpfc_nodelist *ndlp = NULL;
 397         struct lpfc_dmabuf *mlast, *next_mp;
 398         uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 399         uint32_t Did, CTentry;
 400         int Cnt;
 401         struct list_head head;
 402
 403         lpfc_set_disctmo(vport);
 404         vport->num_disc_nodes = 0;
 405         vport->fc_ns_retry = 0;
 406
 407
 408         list_add_tail(&head, &mp->list);
 409         list_for_each_entry_safe(mp, next_mp, &head, list) {
 410                 mlast = mp;
 411
 412                 Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
 413
 414                 Size -= Cnt;
 415
 416                 if (!ctptr) {
 417                         ctptr = (uint32_t *) mlast->virt;
 418                 } else
 419                         Cnt -= 16;      /* subtract length of CT header */
 420
 421                 /* Loop through entire NameServer list of DIDs */
 422                 while (Cnt >= sizeof (uint32_t)) {
 423                         /* Get next DID from NameServer List */
 424                         CTentry = *ctptr++;
 425                         Did = ((be32_to_cpu(CTentry)) & Mask_DID);
 426
 427                         ndlp = NULL;
 428
 429                         /*
 430                          * Check for rscn processing or not
 431                          * To conserve rpi's, filter out addresses for other
 432                          * vports on the same physical HBAs.
 433                          */
 434                         if ((Did != vport->fc_myDID) &&
 435                             ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
 436                              vport->cfg_peer_port_login)) {
 437                                 if ((vport->port_type != LPFC_NPIV_PORT) ||
 438                                     (!(vport->ct_flags & FC_CT_RFF_ID)) ||
 439                                     (!vport->cfg_restrict_login)) {
 440                                         ndlp = lpfc_setup_disc_node(vport, Did);
 441                                         if (ndlp) {
 442                                                 lpfc_debugfs_disc_trc(vport,
 443                                                 LPFC_DISC_TRC_CT,
 444                                                 "Parse GID_FTrsp: "
 445                                                 "did:x%x flg:x%x x%x",
 446                                                 Did, ndlp->nlp_flag,
 447                                                 vport->fc_flag);
 448
 449                                                 lpfc_printf_vlog(vport,
 450                                                         KERN_INFO,
 451                                                         LOG_DISCOVERY,
 452                                                         "0238 Process "
 453                                                         "x%x NameServer Rsp"
 454                                                         "Data: x%x x%x x%x\n",
 455                                                         Did, ndlp->nlp_flag,
 456                                                         vport->fc_flag,
 457                                                         vport->fc_rscn_id_cnt);
 458                                         } else {
 459                                                 lpfc_debugfs_disc_trc(vport,
 460                                                 LPFC_DISC_TRC_CT,
 461                                                 "Skip1 GID_FTrsp: "
 462                                                 "did:x%x flg:x%x cnt:%d",
 463                                                 Did, vport->fc_flag,
 464                                                 vport->fc_rscn_id_cnt);
 465
 466                                                 lpfc_printf_vlog(vport,
 467                                                         KERN_INFO,
 468                                                         LOG_DISCOVERY,
 469                                                         "0239 Skip x%x "
 470                                                         "NameServer Rsp Data: "
 471                                                         "x%x x%x\n",
 472                                                         Did, vport->fc_flag,
 473                                                         vport->fc_rscn_id_cnt);
 474                                         }
 475
 476                                 } else {
 477                                         if (!(vport->fc_flag & FC_RSCN_MODE) ||
 478                                         (lpfc_rscn_payload_check(vport, Did))) {
 479                                                 lpfc_debugfs_disc_trc(vport,
 480                                                 LPFC_DISC_TRC_CT,
 481                                                 "Query GID_FTrsp: "
 482                                                 "did:x%x flg:x%x cnt:%d",
 483                                                 Did, vport->fc_flag,
 484                                                 vport->fc_rscn_id_cnt);
 485
 486                                                 /* This NPortID was previously
 487                                                  * a FCP target, * Don't even
 488                                                  * bother to send GFF_ID.
 489                                                  */
 490                                                 ndlp = lpfc_findnode_did(vport,
 491                                                         Did);
 492                                                 if (ndlp &&
 493                                                     NLP_CHK_NODE_ACT(ndlp)
 494                                                     && (ndlp->nlp_type &
 495                                                      NLP_FCP_TARGET))
 496                                                         lpfc_setup_disc_node
 497                                                                 (vport, Did);
 498                                                 else if (lpfc_ns_cmd(vport,
 499                                                         SLI_CTNS_GFF_ID,
 500                                                         0, Did) == 0)
 501                                                         vport->num_disc_nodes++;
 502                                         }
 503                                         else {
 504                                                 lpfc_debugfs_disc_trc(vport,
 505                                                 LPFC_DISC_TRC_CT,
 506                                                 "Skip2 GID_FTrsp: "
 507                                                 "did:x%x flg:x%x cnt:%d",
 508                                                 Did, vport->fc_flag,
 509                                                 vport->fc_rscn_id_cnt);
 510
 511                                                 lpfc_printf_vlog(vport,
 512                                                         KERN_INFO,
 513                                                         LOG_DISCOVERY,
 514                                                         "0245 Skip x%x "
 515                                                         "NameServer Rsp Data: "
 516                                                         "x%x x%x\n",
 517                                                         Did, vport->fc_flag,
 518                                                         vport->fc_rscn_id_cnt);
 519                                         }
 520                                 }
 521                         }
 522                         if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY)))
 523                                 goto nsout1;
 524                         Cnt -= sizeof (uint32_t);
 525                 }
 526                 ctptr = NULL;
 527
 528         }
 529
 530 nsout1:
 531         list_del(&head);
 532         return 0;
 533 }
 534
 535 static void
 536 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 537                         struct lpfc_iocbq *rspiocb)
 538 {
 539         struct lpfc_vport *vport = cmdiocb->vport;
 540         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 541         IOCB_t *irsp;
 542         struct lpfc_dmabuf *bmp;
 543         struct lpfc_dmabuf *outp;
 544         struct lpfc_sli_ct_request *CTrsp;
 545         struct lpfc_nodelist *ndlp;
 546         int rc, retry;
 547
 548         /* First save ndlp, before we overwrite it */
 549         ndlp = cmdiocb->context_un.ndlp;
 550
 551         /* we pass cmdiocb to state machine which needs rspiocb as well */
 552         cmdiocb->context_un.rsp_iocb = rspiocb;
 553
 554         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 555         bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
 556         irsp = &rspiocb->iocb;
 557
 558         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 559                  "GID_FT cmpl:     status:x%x/x%x rtry:%d",
 560                 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
 561
 562         /* Don't bother processing response if vport is being torn down. */
 563         if (vport->load_flag & FC_UNLOADING)
 564                 goto out;
 565
 566         if (lpfc_els_chk_latt(vport) || lpfc_error_lost_link(irsp)) {
 567                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 568                                  "0216 Link event during NS query\n");
 569                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 570                 goto out;
 571         }
 572
 573         if (irsp->ulpStatus) {
 574                 /* Check for retry */
 575                 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
 576                         retry = 1;
 577                         if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
 578                                 switch (irsp->un.ulpWord[4]) {
 579                                 case IOERR_NO_RESOURCES:
 580                                         /* We don't increment the retry
 581                                          * count for this case.
 582                                          */
 583                                         break;
 584                                 case IOERR_LINK_DOWN:
 585                                 case IOERR_SLI_ABORTED:
 586                                 case IOERR_SLI_DOWN:
 587                                         retry = 0;
 588                                         break;
 589                                 default:
 590                                         vport->fc_ns_retry++;
 591                                 }
 592                         }
 593                         else
 594                                 vport->fc_ns_retry++;
 595
 596                         if (retry) {
 597                                 /* CT command is being retried */
 598                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
 599                                          vport->fc_ns_retry, 0);
 600                                 if (rc == 0) {
 601                                         /* success */
 602                                         goto out;
 603                                 }
 604                         }
 605                 }
 606                 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 607                 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 608                                  "0257 GID_FT Query error: 0x%x 0x%x\n",
 609                                  irsp->ulpStatus, vport->fc_ns_retry);
 610         } else {
 611                 /* Good status, continue checking */
 612                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 613                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 614                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 615                         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 616                                          "0208 NameServer Rsp Data: x%x\n",
 617                                          vport->fc_flag);
 618                         lpfc_ns_rsp(vport, outp,
 619                                     (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
 620                 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
 621                            be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
 622                         /* NameServer Rsp Error */
 623                         if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
 624                             && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
 625                                 lpfc_printf_vlog(vport, KERN_INFO,
 626                                         LOG_DISCOVERY,
 627                                         "0269 No NameServer Entries "
 628                                         "Data: x%x x%x x%x x%x\n",
 629                                         CTrsp->CommandResponse.bits.CmdRsp,
 630                                         (uint32_t) CTrsp->ReasonCode,
 631                                         (uint32_t) CTrsp->Explanation,
 632                                         vport->fc_flag);
 633
 634                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 635                                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
 636                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 637                                 (uint32_t) CTrsp->ReasonCode,
 638                                 (uint32_t) CTrsp->Explanation);
 639                         } else {
 640                                 lpfc_printf_vlog(vport, KERN_INFO,
 641                                         LOG_DISCOVERY,
 642                                         "0240 NameServer Rsp Error "
 643                                         "Data: x%x x%x x%x x%x\n",
 644                                         CTrsp->CommandResponse.bits.CmdRsp,
 645                                         (uint32_t) CTrsp->ReasonCode,
 646                                         (uint32_t) CTrsp->Explanation,
 647                                         vport->fc_flag);
 648
 649                                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 650                                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
 651                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 652                                 (uint32_t) CTrsp->ReasonCode,
 653                                 (uint32_t) CTrsp->Explanation);
 654                         }
 655
 656
 657                 } else {
 658                         /* NameServer Rsp Error */
 659                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 660                                         "0241 NameServer Rsp Error "
 661                                         "Data: x%x x%x x%x x%x\n",
 662                                         CTrsp->CommandResponse.bits.CmdRsp,
 663                                         (uint32_t) CTrsp->ReasonCode,
 664                                         (uint32_t) CTrsp->Explanation,
 665                                         vport->fc_flag);
 666
 667                         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 668                                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
 669                                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
 670                                 (uint32_t) CTrsp->ReasonCode,
 671                                 (uint32_t) CTrsp->Explanation);
 672                 }
 673         }
 674         /* Link up / RSCN discovery */
 675         if (vport->num_disc_nodes == 0) {
 676                 /*
 677                  * The driver has cycled through all Nports in the RSCN payload.
 678                  * Complete the handling by cleaning up and marking the
 679                  * current driver state.
 680                  */
 681                 if (vport->port_state >= LPFC_DISC_AUTH) {
 682                         if (vport->fc_flag & FC_RSCN_MODE) {
 683                                 lpfc_els_flush_rscn(vport);
 684                                 spin_lock_irq(shost->host_lock);
 685                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 686                                 spin_unlock_irq(shost->host_lock);
 687                         }
 688                         else
 689                                 lpfc_els_flush_rscn(vport);
 690                 }
 691
 692                 lpfc_disc_start(vport);
 693         }
 694 out:
 695         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 696         lpfc_ct_free_iocb(phba, cmdiocb);
 697         return;
 698 }
 699
 700 static void
 701 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 702                         struct lpfc_iocbq *rspiocb)
 703 {
 704         struct lpfc_vport *vport = cmdiocb->vport;
 705         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
 706         IOCB_t *irsp = &rspiocb->iocb;
 707         struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 708         struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 709         struct lpfc_sli_ct_request *CTrsp;
 710         int did, rc, retry;
 711         uint8_t fbits;
 712         struct lpfc_nodelist *ndlp;
 713
 714         did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
 715         did = be32_to_cpu(did);
 716
 717         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 718                 "GFF_ID cmpl:     status:x%x/x%x did:x%x",
 719                 irsp->ulpStatus, irsp->un.ulpWord[4], did);
 720
 721         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 722                 /* Good status, continue checking */
 723                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 724                 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
 725
 726                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 727                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 728                         if ((fbits & FC4_FEATURE_INIT) &&
 729                             !(fbits & FC4_FEATURE_TARGET)) {
 730                                 lpfc_printf_vlog(vport, KERN_INFO,
 731                                                  LOG_DISCOVERY,
 732                                                  "0270 Skip x%x GFF "
 733                                                  "NameServer Rsp Data: (init) "
 734                                                  "x%x x%x\n", did, fbits,
 735                                                  vport->fc_rscn_id_cnt);
 736                                 goto out;
 737                         }
 738                 }
 739         }
 740         else {
 741                 /* Check for retry */
 742                 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
 743                         retry = 1;
 744                         if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
 745                                 switch (irsp->un.ulpWord[4]) {
 746                                 case IOERR_NO_RESOURCES:
 747                                         /* We don't increment the retry
 748                                          * count for this case.
 749                                          */
 750                                         break;
 751                                 case IOERR_LINK_DOWN:
 752                                 case IOERR_SLI_ABORTED:
 753                                 case IOERR_SLI_DOWN:
 754                                         retry = 0;
 755                                         break;
 756                                 default:
 757                                         cmdiocb->retry++;
 758                                 }
 759                         }
 760                         else
 761                                 cmdiocb->retry++;
 762
 763                         if (retry) {
 764                                 /* CT command is being retried */
 765                                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
 766                                          cmdiocb->retry, did);
 767                                 if (rc == 0) {
 768                                         /* success */
 769                                         lpfc_ct_free_iocb(phba, cmdiocb);
 770                                         return;
 771                                 }
 772                         }
 773                 }
 774                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 775                                  "0267 NameServer GFF Rsp "
 776                                  "x%x Error (%d %d) Data: x%x x%x\n",
 777                                  did, irsp->ulpStatus, irsp->un.ulpWord[4],
 778                                  vport->fc_flag, vport->fc_rscn_id_cnt)
 779         }
 780
 781         /* This is a target port, unregistered port, or the GFF_ID failed */
 782         ndlp = lpfc_setup_disc_node(vport, did);
 783         if (ndlp) {
 784                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 785                                  "0242 Process x%x GFF "
 786                                  "NameServer Rsp Data: x%x x%x x%x\n",
 787                                  did, ndlp->nlp_flag, vport->fc_flag,
 788                                  vport->fc_rscn_id_cnt);
 789         } else {
 790                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 791                                  "0243 Skip x%x GFF "
 792                                  "NameServer Rsp Data: x%x x%x\n", did,
 793                                  vport->fc_flag, vport->fc_rscn_id_cnt);
 794         }
 795 out:
 796         /* Link up / RSCN discovery */
 797         if (vport->num_disc_nodes)
 798                 vport->num_disc_nodes--;
 799         if (vport->num_disc_nodes == 0) {
 800                 /*
 801                  * The driver has cycled through all Nports in the RSCN payload.
 802                  * Complete the handling by cleaning up and marking the
 803                  * current driver state.
 804                  */
 805                 if (vport->port_state >= LPFC_DISC_AUTH) {
 806                         if (vport->fc_flag & FC_RSCN_MODE) {
 807                                 lpfc_els_flush_rscn(vport);
 808                                 spin_lock_irq(shost->host_lock);
 809                                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
 810                                 spin_unlock_irq(shost->host_lock);
 811                         }
 812                         else
 813                                 lpfc_els_flush_rscn(vport);
 814                 }
 815                 lpfc_disc_start(vport);
 816         }
 817         lpfc_ct_free_iocb(phba, cmdiocb);
 818         return;
 819 }
 820
 821
 822 static void
 823 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 824              struct lpfc_iocbq *rspiocb)
 825 {
 826         struct lpfc_vport *vport = cmdiocb->vport;
 827         struct lpfc_dmabuf *inp;
 828         struct lpfc_dmabuf *outp;
 829         IOCB_t *irsp;
 830         struct lpfc_sli_ct_request *CTrsp;
 831         struct lpfc_nodelist *ndlp;
 832         int cmdcode, rc;
 833         uint8_t retry;
 834         uint32_t latt;
 835
 836         /* First save ndlp, before we overwrite it */
 837         ndlp = cmdiocb->context_un.ndlp;
 838
 839         /* we pass cmdiocb to state machine which needs rspiocb as well */
 840         cmdiocb->context_un.rsp_iocb = rspiocb;
 841
 842         inp = (struct lpfc_dmabuf *) cmdiocb->context1;
 843         outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 844         irsp = &rspiocb->iocb;
 845
 846         cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
 847                                         CommandResponse.bits.CmdRsp);
 848         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 849
 850         latt = lpfc_els_chk_latt(vport);
 851
 852         /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
 853         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 854                          "0209 CT Request completes, latt %d, "
 855                          "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
 856                          latt, irsp->ulpStatus,
 857                          CTrsp->CommandResponse.bits.CmdRsp,
 858                          cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
 859
 860         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
 861                 "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
 862                 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
 863
 864         if (irsp->ulpStatus) {
 865                 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 866                                  "0268 NS cmd %x Error (%d %d)\n",
 867                                  cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
 868
 869                 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
 870                         ((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) ||
 871                          (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED)))
 872                         goto out;
 873
 874                 retry = cmdiocb->retry;
 875                 if (retry >= LPFC_MAX_NS_RETRY)
 876                         goto out;
 877
 878                 retry++;
 879                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 880                                  "0216 Retrying NS cmd %x\n", cmdcode);
 881                 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
 882                 if (rc == 0)
 883                         goto out;
 884         }
 885
 886 out:
 887         cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
 888         lpfc_ct_free_iocb(phba, cmdiocb);
 889         return;
 890 }
 891
 892 static void
 893 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 894                         struct lpfc_iocbq *rspiocb)
 895 {
 896         IOCB_t *irsp = &rspiocb->iocb;
 897         struct lpfc_vport *vport = cmdiocb->vport;
 898
 899         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 900                 struct lpfc_dmabuf *outp;
 901                 struct lpfc_sli_ct_request *CTrsp;
 902
 903                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 904                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 905                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 906                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 907                         vport->ct_flags |= FC_CT_RFT_ID;
 908         }
 909         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 910         return;
 911 }
 912
 913 static void
 914 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 915                         struct lpfc_iocbq *rspiocb)
 916 {
 917         IOCB_t *irsp = &rspiocb->iocb;
 918         struct lpfc_vport *vport = cmdiocb->vport;
 919
 920         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 921                 struct lpfc_dmabuf *outp;
 922                 struct lpfc_sli_ct_request *CTrsp;
 923
 924                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 925                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 926                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 927                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 928                         vport->ct_flags |= FC_CT_RNN_ID;
 929         }
 930         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 931         return;
 932 }
 933
 934 static void
 935 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 936                          struct lpfc_iocbq *rspiocb)
 937 {
 938         IOCB_t *irsp = &rspiocb->iocb;
 939         struct lpfc_vport *vport = cmdiocb->vport;
 940
 941         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 942                 struct lpfc_dmabuf *outp;
 943                 struct lpfc_sli_ct_request *CTrsp;
 944
 945                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 946                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 947                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 948                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 949                         vport->ct_flags |= FC_CT_RSPN_ID;
 950         }
 951         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 952         return;
 953 }
 954
 955 static void
 956 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 957                          struct lpfc_iocbq *rspiocb)
 958 {
 959         IOCB_t *irsp = &rspiocb->iocb;
 960         struct lpfc_vport *vport = cmdiocb->vport;
 961
 962         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 963                 struct lpfc_dmabuf *outp;
 964                 struct lpfc_sli_ct_request *CTrsp;
 965
 966                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
 967                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 968                 if (CTrsp->CommandResponse.bits.CmdRsp ==
 969                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
 970                         vport->ct_flags |= FC_CT_RSNN_NN;
 971         }
 972         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 973         return;
 974 }
 975
 976 static void
 977 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 978  struct lpfc_iocbq *rspiocb)
 979 {
 980         struct lpfc_vport *vport = cmdiocb->vport;
 981
 982         /* even if it fails we will act as though it succeeded. */
 983         vport->ct_flags = 0;
 984         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
 985         return;
 986 }
 987
 988 static void
 989 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 990                         struct lpfc_iocbq *rspiocb)
 991 {
 992         IOCB_t *irsp = &rspiocb->iocb;
 993         struct lpfc_vport *vport = cmdiocb->vport;
 994
 995         if (irsp->ulpStatus == IOSTAT_SUCCESS) {
 996                 struct lpfc_dmabuf *outp;
 997                 struct lpfc_sli_ct_request *CTrsp;
 998
 999                 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1000                 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1001                 if (CTrsp->CommandResponse.bits.CmdRsp ==
1002                     be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1003                         vport->ct_flags |= FC_CT_RFF_ID;
1004         }
1005         lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1006         return;
1007 }
1008
1009 static int
1010 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1011         size_t size)
1012 {
1013         int n;
1014         uint8_t *wwn = vport->phba->wwpn;
1015
1016         n = snprintf(symbol, size,
1017                      "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
1018                      wwn[0], wwn[1], wwn[2], wwn[3],
1019                      wwn[4], wwn[5], wwn[6], wwn[7]);
1020
1021         if (vport->port_type == LPFC_PHYSICAL_PORT)
1022                 return n;
1023
1024         if (n < size)
1025                 n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
1026
1027         if (n < size && vport->vname)
1028                 n += snprintf(symbol + n, size - n, " VName-%s", vport->vname);
1029         return n;
1030 }
1031
1032 int
1033 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1034         size_t size)
1035 {
1036         char fwrev[16];
1037         int n;
1038
1039         lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1040
1041         n = snprintf(symbol, size, "Emulex %s FV%s DV%s",
1042                 vport->phba->ModelName, fwrev, lpfc_release_version);
1043         return n;
1044 }
1045
1046 /*
1047  * lpfc_ns_cmd
1048  * Description:
1049  *    Issue Cmd to NameServer
1050  *       SLI_CTNS_GID_FT
1051  *       LI_CTNS_RFT_ID
1052  */
1053 int
1054 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1055             uint8_t retry, uint32_t context)
1056 {
1057         struct lpfc_nodelist * ndlp;
1058         struct lpfc_hba *phba = vport->phba;
1059         struct lpfc_dmabuf *mp, *bmp;
1060         struct lpfc_sli_ct_request *CtReq;
1061         struct ulp_bde64 *bpl;
1062         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1063                       struct lpfc_iocbq *) = NULL;
1064         uint32_t rsp_size = 1024;
1065         size_t   size;
1066         int rc = 0;
1067
1068         ndlp = lpfc_findnode_did(vport, NameServer_DID);
1069         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1070             || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1071                 rc=1;
1072                 goto ns_cmd_exit;
1073         }
1074
1075         /* fill in BDEs for command */
1076         /* Allocate buffer for command payload */
1077         mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1078         if (!mp) {
1079                 rc=2;
1080                 goto ns_cmd_exit;
1081         }
1082
1083         INIT_LIST_HEAD(&mp->list);
1084         mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1085         if (!mp->virt) {
1086                 rc=3;
1087                 goto ns_cmd_free_mp;
1088         }
1089
1090         /* Allocate buffer for Buffer ptr list */
1091         bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1092         if (!bmp) {
1093                 rc=4;
1094                 goto ns_cmd_free_mpvirt;
1095         }
1096
1097         INIT_LIST_HEAD(&bmp->list);
1098         bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1099         if (!bmp->virt) {
1100                 rc=5;
1101                 goto ns_cmd_free_bmp;
1102         }
1103
1104         /* NameServer Req */
1105         lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1106                          "0236 NameServer Req Data: x%x x%x x%x\n",
1107                          cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
1108
1109         bpl = (struct ulp_bde64 *) bmp->virt;
1110         memset(bpl, 0, sizeof(struct ulp_bde64));
1111         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1112         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1113         bpl->tus.f.bdeFlags = 0;
1114         if (cmdcode == SLI_CTNS_GID_FT)
1115                 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1116         else if (cmdcode == SLI_CTNS_GFF_ID)
1117                 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1118         else if (cmdcode == SLI_CTNS_RFT_ID)
1119                 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1120         else if (cmdcode == SLI_CTNS_RNN_ID)
1121                 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1122         else if (cmdcode == SLI_CTNS_RSPN_ID)
1123                 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1124         else if (cmdcode == SLI_CTNS_RSNN_NN)
1125                 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1126         else if (cmdcode == SLI_CTNS_DA_ID)
1127                 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1128         else if (cmdcode == SLI_CTNS_RFF_ID)
1129                 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1130         else
1131                 bpl->tus.f.bdeSize = 0;
1132         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1133
1134         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1135         memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
1136         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1137         CtReq->RevisionId.bits.InId = 0;
1138         CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1139         CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1140         CtReq->CommandResponse.bits.Size = 0;
1141         switch (cmdcode) {
1142         case SLI_CTNS_GID_FT:
1143                 CtReq->CommandResponse.bits.CmdRsp =
1144                     be16_to_cpu(SLI_CTNS_GID_FT);
1145                 CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
1146                 if (vport->port_state < LPFC_NS_QRY)
1147                         vport->port_state = LPFC_NS_QRY;
1148                 lpfc_set_disctmo(vport);
1149                 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1150                 rsp_size = FC_MAX_NS_RSP;
1151                 break;
1152
1153         case SLI_CTNS_GFF_ID:
1154                 CtReq->CommandResponse.bits.CmdRsp =
1155                         be16_to_cpu(SLI_CTNS_GFF_ID);
1156                 CtReq->un.gff.PortId = cpu_to_be32(context);
1157                 cmpl = lpfc_cmpl_ct_cmd_gff_id;
1158                 break;
1159
1160         case SLI_CTNS_RFT_ID:
1161                 vport->ct_flags &= ~FC_CT_RFT_ID;
1162                 CtReq->CommandResponse.bits.CmdRsp =
1163                     be16_to_cpu(SLI_CTNS_RFT_ID);
1164                 CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1165                 CtReq->un.rft.fcpReg = 1;
1166                 cmpl = lpfc_cmpl_ct_cmd_rft_id;
1167                 break;
1168
1169         case SLI_CTNS_RNN_ID:
1170                 vport->ct_flags &= ~FC_CT_RNN_ID;
1171                 CtReq->CommandResponse.bits.CmdRsp =
1172                     be16_to_cpu(SLI_CTNS_RNN_ID);
1173                 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1174                 memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1175                        sizeof (struct lpfc_name));
1176                 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1177                 break;
1178
1179         case SLI_CTNS_RSPN_ID:
1180                 vport->ct_flags &= ~FC_CT_RSPN_ID;
1181                 CtReq->CommandResponse.bits.CmdRsp =
1182                     be16_to_cpu(SLI_CTNS_RSPN_ID);
1183                 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1184                 size = sizeof(CtReq->un.rspn.symbname);
1185                 CtReq->un.rspn.len =
1186                         lpfc_vport_symbolic_port_name(vport,
1187                         CtReq->un.rspn.symbname, size);
1188                 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1189                 break;
1190         case SLI_CTNS_RSNN_NN:
1191                 vport->ct_flags &= ~FC_CT_RSNN_NN;
1192                 CtReq->CommandResponse.bits.CmdRsp =
1193                     be16_to_cpu(SLI_CTNS_RSNN_NN);
1194                 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1195                        sizeof (struct lpfc_name));
1196                 size = sizeof(CtReq->un.rsnn.symbname);
1197                 CtReq->un.rsnn.len =
1198                         lpfc_vport_symbolic_node_name(vport,
1199                         CtReq->un.rsnn.symbname, size);
1200                 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1201                 break;
1202         case SLI_CTNS_DA_ID:
1203                 /* Implement DA_ID Nameserver request */
1204                 CtReq->CommandResponse.bits.CmdRsp =
1205                         be16_to_cpu(SLI_CTNS_DA_ID);
1206                 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1207                 cmpl = lpfc_cmpl_ct_cmd_da_id;
1208                 break;
1209         case SLI_CTNS_RFF_ID:
1210                 vport->ct_flags &= ~FC_CT_RFF_ID;
1211                 CtReq->CommandResponse.bits.CmdRsp =
1212                     be16_to_cpu(SLI_CTNS_RFF_ID);
1213                 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);;
1214                 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1215                 CtReq->un.rff.type_code = FC_FCP_DATA;
1216                 cmpl = lpfc_cmpl_ct_cmd_rff_id;
1217                 break;
1218         }
1219         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1220          * to hold ndlp reference for the corresponding callback function.
1221          */
1222         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1223                 /* On success, The cmpl function will free the buffers */
1224                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1225                         "Issue CT cmd:    cmd:x%x did:x%x",
1226                         cmdcode, ndlp->nlp_DID, 0);
1227                 return 0;
1228         }
1229         rc=6;
1230
1231         /* Decrement ndlp reference count to release ndlp reference held
1232          * for the failed command's callback function.
1233          */
1234         lpfc_nlp_put(ndlp);
1235
1236         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1237 ns_cmd_free_bmp:
1238         kfree(bmp);
1239 ns_cmd_free_mpvirt:
1240         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1241 ns_cmd_free_mp:
1242         kfree(mp);
1243 ns_cmd_exit:
1244         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1245                          "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1246                          cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1247         return 1;
1248 }
1249
1250 static void
1251 lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1252                       struct lpfc_iocbq * rspiocb)
1253 {
1254         struct lpfc_dmabuf *inp = cmdiocb->context1;
1255         struct lpfc_dmabuf *outp = cmdiocb->context2;
1256         struct lpfc_sli_ct_request *CTrsp = outp->virt;
1257         struct lpfc_sli_ct_request *CTcmd = inp->virt;
1258         struct lpfc_nodelist *ndlp;
1259         uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1260         uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1261         struct lpfc_vport *vport = cmdiocb->vport;
1262         IOCB_t *irsp = &rspiocb->iocb;
1263         uint32_t latt;
1264
1265         latt = lpfc_els_chk_latt(vport);
1266
1267         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1268                 "FDMI cmpl:       status:x%x/x%x latt:%d",
1269                 irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1270
1271         if (latt || irsp->ulpStatus) {
1272                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1273                                  "0229 FDMI cmd %04x failed, latt = %d "
1274                                  "ulpStatus: x%x, rid x%x\n",
1275                                  be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1276                                  irsp->un.ulpWord[4]);
1277                 lpfc_ct_free_iocb(phba, cmdiocb);
1278                 return;
1279         }
1280
1281         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1282         if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1283                 goto fail_out;
1284
1285         if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1286                 /* FDMI rsp failed */
1287                 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1288                                  "0220 FDMI rsp failed Data: x%x\n",
1289                                  be16_to_cpu(fdmi_cmd));
1290         }
1291
1292         switch (be16_to_cpu(fdmi_cmd)) {
1293         case SLI_MGMT_RHBA:
1294                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA);
1295                 break;
1296
1297         case SLI_MGMT_RPA:
1298                 break;
1299
1300         case SLI_MGMT_DHBA:
1301                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT);
1302                 break;
1303
1304         case SLI_MGMT_DPRT:
1305                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1306                 break;
1307         }
1308
1309 fail_out:
1310         lpfc_ct_free_iocb(phba, cmdiocb);
1311         return;
1312 }
1313
1314 int
1315 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1316 {
1317         struct lpfc_hba *phba = vport->phba;
1318         struct lpfc_dmabuf *mp, *bmp;
1319         struct lpfc_sli_ct_request *CtReq;
1320         struct ulp_bde64 *bpl;
1321         uint32_t size;
1322         REG_HBA *rh;
1323         PORT_ENTRY *pe;
1324         REG_PORT_ATTRIBUTE *pab;
1325         ATTRIBUTE_BLOCK *ab;
1326         ATTRIBUTE_ENTRY *ae;
1327         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1328                       struct lpfc_iocbq *);
1329
1330
1331         /* fill in BDEs for command */
1332         /* Allocate buffer for command payload */
1333         mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1334         if (!mp)
1335                 goto fdmi_cmd_exit;
1336
1337         mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
1338         if (!mp->virt)
1339                 goto fdmi_cmd_free_mp;
1340
1341         /* Allocate buffer for Buffer ptr list */
1342         bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1343         if (!bmp)
1344                 goto fdmi_cmd_free_mpvirt;
1345
1346         bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
1347         if (!bmp->virt)
1348                 goto fdmi_cmd_free_bmp;
1349
1350         INIT_LIST_HEAD(&mp->list);
1351         INIT_LIST_HEAD(&bmp->list);
1352
1353         /* FDMI request */
1354         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1355                          "0218 FDMI Request Data: x%x x%x x%x\n",
1356                          vport->fc_flag, vport->port_state, cmdcode);
1357         CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1358
1359         memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1360         CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1361         CtReq->RevisionId.bits.InId = 0;
1362
1363         CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
1364         CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
1365         size = 0;
1366
1367         switch (cmdcode) {
1368         case SLI_MGMT_RHBA:
1369                 {
1370                         lpfc_vpd_t *vp = &phba->vpd;
1371                         uint32_t i, j, incr;
1372                         int len;
1373
1374                         CtReq->CommandResponse.bits.CmdRsp =
1375                             be16_to_cpu(SLI_MGMT_RHBA);
1376                         CtReq->CommandResponse.bits.Size = 0;
1377                         rh = (REG_HBA *) & CtReq->un.PortID;
1378                         memcpy(&rh->hi.PortName, &vport->fc_sparam.portName,
1379                                sizeof (struct lpfc_name));
1380                         /* One entry (port) per adapter */
1381                         rh->rpl.EntryCnt = be32_to_cpu(1);
1382                         memcpy(&rh->rpl.pe, &vport->fc_sparam.portName,
1383                                sizeof (struct lpfc_name));
1384
1385                         /* point to the HBA attribute block */
1386                         size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
1387                         ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
1388                         ab->EntryCnt = 0;
1389
1390                         /* Point to the beginning of the first HBA attribute
1391                            entry */
1392                         /* #1 HBA attribute entry */
1393                         size += FOURBYTES;
1394                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1395                         ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);
1396                         ae->ad.bits.AttrLen =  be16_to_cpu(FOURBYTES
1397                                                 + sizeof (struct lpfc_name));
1398                         memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1399                                sizeof (struct lpfc_name));
1400                         ab->EntryCnt++;
1401                         size += FOURBYTES + sizeof (struct lpfc_name);
1402
1403                         /* #2 HBA attribute entry */
1404                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1405                         ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER);
1406                         strcpy(ae->un.Manufacturer, "Emulex Corporation");
1407                         len = strlen(ae->un.Manufacturer);
1408                         len += (len & 3) ? (4 - (len & 3)) : 4;
1409                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1410                         ab->EntryCnt++;
1411                         size += FOURBYTES + len;
1412
1413                         /* #3 HBA attribute entry */
1414                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1415                         ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER);
1416                         strcpy(ae->un.SerialNumber, phba->SerialNumber);
1417                         len = strlen(ae->un.SerialNumber);
1418                         len += (len & 3) ? (4 - (len & 3)) : 4;
1419                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1420                         ab->EntryCnt++;
1421                         size += FOURBYTES + len;
1422
1423                         /* #4 HBA attribute entry */
1424                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1425                         ae->ad.bits.AttrType = be16_to_cpu(MODEL);
1426                         strcpy(ae->un.Model, phba->ModelName);
1427                         len = strlen(ae->un.Model);
1428                         len += (len & 3) ? (4 - (len & 3)) : 4;
1429                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1430                         ab->EntryCnt++;
1431                         size += FOURBYTES + len;
1432
1433                         /* #5 HBA attribute entry */
1434                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1435                         ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION);
1436                         strcpy(ae->un.ModelDescription, phba->ModelDesc);
1437                         len = strlen(ae->un.ModelDescription);
1438                         len += (len & 3) ? (4 - (len & 3)) : 4;
1439                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1440                         ab->EntryCnt++;
1441                         size += FOURBYTES + len;
1442
1443                         /* #6 HBA attribute entry */
1444                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1445                         ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION);
1446                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8);
1447                         /* Convert JEDEC ID to ascii for hardware version */
1448                         incr = vp->rev.biuRev;
1449                         for (i = 0; i < 8; i++) {
1450                                 j = (incr & 0xf);
1451                                 if (j <= 9)
1452                                         ae->un.HardwareVersion[7 - i] =
1453                                             (char)((uint8_t) 0x30 +
1454                                                    (uint8_t) j);
1455                                 else
1456                                         ae->un.HardwareVersion[7 - i] =
1457                                             (char)((uint8_t) 0x61 +
1458                                                    (uint8_t) (j - 10));
1459                                 incr = (incr >> 4);
1460                         }
1461                         ab->EntryCnt++;
1462                         size += FOURBYTES + 8;
1463
1464                         /* #7 HBA attribute entry */
1465                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1466                         ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION);
1467                         strcpy(ae->un.DriverVersion, lpfc_release_version);
1468                         len = strlen(ae->un.DriverVersion);
1469                         len += (len & 3) ? (4 - (len & 3)) : 4;
1470                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1471                         ab->EntryCnt++;
1472                         size += FOURBYTES + len;
1473
1474                         /* #8 HBA attribute entry */
1475                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1476                         ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION);
1477                         strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion);
1478                         len = strlen(ae->un.OptionROMVersion);
1479                         len += (len & 3) ? (4 - (len & 3)) : 4;
1480                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1481                         ab->EntryCnt++;
1482                         size += FOURBYTES + len;
1483
1484                         /* #9 HBA attribute entry */
1485                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1486                         ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION);
1487                         lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
1488                                 1);
1489                         len = strlen(ae->un.FirmwareVersion);
1490                         len += (len & 3) ? (4 - (len & 3)) : 4;
1491                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1492                         ab->EntryCnt++;
1493                         size += FOURBYTES + len;
1494
1495                         /* #10 HBA attribute entry */
1496                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1497                         ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
1498                         sprintf(ae->un.OsNameVersion, "%s %s %s",
1499                                 init_utsname()->sysname,
1500                                 init_utsname()->release,
1501                                 init_utsname()->version);
1502                         len = strlen(ae->un.OsNameVersion);
1503                         len += (len & 3) ? (4 - (len & 3)) : 4;
1504                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1505                         ab->EntryCnt++;
1506                         size += FOURBYTES + len;
1507
1508                         /* #11 HBA attribute entry */
1509                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1510                         ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN);
1511                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1512                         ae->un.MaxCTPayloadLen = (65 * 4096);
1513                         ab->EntryCnt++;
1514                         size += FOURBYTES + 4;
1515
1516                         ab->EntryCnt = be32_to_cpu(ab->EntryCnt);
1517                         /* Total size */
1518                         size = GID_REQUEST_SZ - 4 + size;
1519                 }
1520                 break;
1521
1522         case SLI_MGMT_RPA:
1523                 {
1524                         lpfc_vpd_t *vp;
1525                         struct serv_parm *hsp;
1526                         int len;
1527
1528                         vp = &phba->vpd;
1529
1530                         CtReq->CommandResponse.bits.CmdRsp =
1531                             be16_to_cpu(SLI_MGMT_RPA);
1532                         CtReq->CommandResponse.bits.Size = 0;
1533                         pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID;
1534                         size = sizeof (struct lpfc_name) + FOURBYTES;
1535                         memcpy((uint8_t *) & pab->PortName,
1536                                (uint8_t *) & vport->fc_sparam.portName,
1537                                sizeof (struct lpfc_name));
1538                         pab->ab.EntryCnt = 0;
1539
1540                         /* #1 Port attribute entry */
1541                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1542                         ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES);
1543                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32);
1544                         ae->un.SupportFC4Types[2] = 1;
1545                         ae->un.SupportFC4Types[7] = 1;
1546                         pab->ab.EntryCnt++;
1547                         size += FOURBYTES + 32;
1548
1549                         /* #2 Port attribute entry */
1550                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1551                         ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED);
1552                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1553
1554                         ae->un.SupportSpeed = 0;
1555                         if (phba->lmt & LMT_10Gb)
1556                                 ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT;
1557                         if (phba->lmt & LMT_8Gb)
1558                                 ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
1559                         if (phba->lmt & LMT_4Gb)
1560                                 ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
1561                         if (phba->lmt & LMT_2Gb)
1562                                 ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
1563                         if (phba->lmt & LMT_1Gb)
1564                                 ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT;
1565
1566                         pab->ab.EntryCnt++;
1567                         size += FOURBYTES + 4;
1568
1569                         /* #3 Port attribute entry */
1570                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1571                         ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED);
1572                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1573                         switch(phba->fc_linkspeed) {
1574                                 case LA_1GHZ_LINK:
1575                                         ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1576                                 break;
1577                                 case LA_2GHZ_LINK:
1578                                         ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1579                                 break;
1580                                 case LA_4GHZ_LINK:
1581                                         ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1582                                 break;
1583                                 case LA_8GHZ_LINK:
1584                                         ae->un.PortSpeed = HBA_PORTSPEED_8GBIT;
1585                                 break;
1586                                 default:
1587                                         ae->un.PortSpeed =
1588                                                 HBA_PORTSPEED_UNKNOWN;
1589                                 break;
1590                         }
1591                         pab->ab.EntryCnt++;
1592                         size += FOURBYTES + 4;
1593
1594                         /* #4 Port attribute entry */
1595                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1596                         ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE);
1597                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1598                         hsp = (struct serv_parm *) & vport->fc_sparam;
1599                         ae->un.MaxFrameSize =
1600                             (((uint32_t) hsp->cmn.
1601                               bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn.
1602                             bbRcvSizeLsb;
1603                         pab->ab.EntryCnt++;
1604                         size += FOURBYTES + 4;
1605
1606                         /* #5 Port attribute entry */
1607                         ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1608                         ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME);
1609                         strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME);
1610                         len = strlen((char *)ae->un.OsDeviceName);
1611                         len += (len & 3) ? (4 - (len & 3)) : 4;
1612                         ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1613                         pab->ab.EntryCnt++;
1614                         size += FOURBYTES + len;
1615
1616                         if (vport->cfg_fdmi_on == 2) {
1617                                 /* #6 Port attribute entry */
1618                                 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab +
1619                                                           size);
1620                                 ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME);
1621                                 sprintf(ae->un.HostName, "%s",
1622                                         init_utsname()->nodename);
1623                                 len = strlen(ae->un.HostName);
1624                                 len += (len & 3) ? (4 - (len & 3)) : 4;
1625                                 ae->ad.bits.AttrLen =
1626                                     be16_to_cpu(FOURBYTES + len);
1627                                 pab->ab.EntryCnt++;
1628                                 size += FOURBYTES + len;
1629                         }
1630
1631                         pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt);
1632                         /* Total size */
1633                         size = GID_REQUEST_SZ - 4 + size;
1634                 }
1635                 break;
1636
1637         case SLI_MGMT_DHBA:
1638                 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA);
1639                 CtReq->CommandResponse.bits.Size = 0;
1640                 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1641                 memcpy((uint8_t *) & pe->PortName,
1642                        (uint8_t *) & vport->fc_sparam.portName,
1643                        sizeof (struct lpfc_name));
1644                 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1645                 break;
1646
1647         case SLI_MGMT_DPRT:
1648                 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT);
1649                 CtReq->CommandResponse.bits.Size = 0;
1650                 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1651                 memcpy((uint8_t *) & pe->PortName,
1652                        (uint8_t *) & vport->fc_sparam.portName,
1653                        sizeof (struct lpfc_name));
1654                 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1655                 break;
1656         }
1657
1658         bpl = (struct ulp_bde64 *) bmp->virt;
1659         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1660         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1661         bpl->tus.f.bdeFlags = 0;
1662         bpl->tus.f.bdeSize = size;
1663         bpl->tus.w = le32_to_cpu(bpl->tus.w);
1664
1665         cmpl = lpfc_cmpl_ct_cmd_fdmi;
1666
1667         /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1668          * to hold ndlp reference for the corresponding callback function.
1669          */
1670         if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0))
1671                 return 0;
1672
1673         /* Decrement ndlp reference count to release ndlp reference held
1674          * for the failed command's callback function.
1675          */
1676         lpfc_nlp_put(ndlp);
1677
1678         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1679 fdmi_cmd_free_bmp:
1680         kfree(bmp);
1681 fdmi_cmd_free_mpvirt:
1682         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1683 fdmi_cmd_free_mp:
1684         kfree(mp);
1685 fdmi_cmd_exit:
1686         /* Issue FDMI request failed */
1687         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1688                          "0244 Issue FDMI request failed Data: x%x\n",
1689                          cmdcode);
1690         return 1;
1691 }
1692
1693 void
1694 lpfc_fdmi_tmo(unsigned long ptr)
1695 {
1696         struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
1697         struct lpfc_hba   *phba = vport->phba;
1698         unsigned long iflag;
1699
1700         spin_lock_irqsave(&vport->work_port_lock, iflag);
1701         if (!(vport->work_port_events & WORKER_FDMI_TMO)) {
1702                 vport->work_port_events |= WORKER_FDMI_TMO;
1703                 spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1704
1705                 spin_lock_irqsave(&phba->hbalock, iflag);
1706                 if (phba->work_wait)
1707                         lpfc_worker_wake_up(phba);
1708                 spin_unlock_irqrestore(&phba->hbalock, iflag);
1709         }
1710         else
1711                 spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1712 }
1713
1714 void
1715 lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
1716 {
1717         struct lpfc_nodelist *ndlp;
1718
1719         ndlp = lpfc_findnode_did(vport, FDMI_DID);
1720         if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1721                 if (init_utsname()->nodename[0] != '\0')
1722                         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
1723                 else
1724                         mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60);
1725         }
1726         return;
1727 }
1728
1729 void
1730 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
1731 {
1732         struct lpfc_sli *psli = &phba->sli;
1733         lpfc_vpd_t *vp = &phba->vpd;
1734         uint32_t b1, b2, b3, b4, i, rev;
1735         char c;
1736         uint32_t *ptr, str[4];
1737         uint8_t *fwname;
1738
1739         if (vp->rev.rBit) {
1740                 if (psli->sli_flag & LPFC_SLI2_ACTIVE)
1741                         rev = vp->rev.sli2FwRev;
1742                 else
1743                         rev = vp->rev.sli1FwRev;
1744
1745                 b1 = (rev & 0x0000f000) >> 12;
1746                 b2 = (rev & 0x00000f00) >> 8;
1747                 b3 = (rev & 0x000000c0) >> 6;
1748                 b4 = (rev & 0x00000030) >> 4;
1749
1750                 switch (b4) {
1751                 case 0:
1752                         c = 'N';
1753                         break;
1754                 case 1:
1755                         c = 'A';
1756                         break;
1757                 case 2:
1758                         c = 'B';
1759                         break;
1760                 default:
1761                         c = 0;
1762                         break;
1763                 }
1764                 b4 = (rev & 0x0000000f);
1765
1766                 if (psli->sli_flag & LPFC_SLI2_ACTIVE)
1767                         fwname = vp->rev.sli2FwName;
1768                 else
1769                         fwname = vp->rev.sli1FwName;
1770
1771                 for (i = 0; i < 16; i++)
1772                         if (fwname[i] == 0x20)
1773                                 fwname[i] = 0;
1774
1775                 ptr = (uint32_t*)fwname;
1776
1777                 for (i = 0; i < 3; i++)
1778                         str[i] = be32_to_cpu(*ptr++);
1779
1780                 if (c == 0) {
1781                         if (flag)
1782                                 sprintf(fwrevision, "%d.%d%d (%s)",
1783                                         b1, b2, b3, (char *)str);
1784                         else
1785                                 sprintf(fwrevision, "%d.%d%d", b1,
1786                                         b2, b3);
1787                 } else {
1788                         if (flag)
1789                                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
1790                                         b1, b2, b3, c,
1791                                         b4, (char *)str);
1792                         else
1793                                 sprintf(fwrevision, "%d.%d%d%c%d",
1794                                         b1, b2, b3, c, b4);
1795                 }
1796         } else {
1797                 rev = vp->rev.smFwRev;
1798
1799                 b1 = (rev & 0xff000000) >> 24;
1800                 b2 = (rev & 0x00f00000) >> 20;
1801                 b3 = (rev & 0x000f0000) >> 16;
1802                 c  = (rev & 0x0000ff00) >> 8;
1803                 b4 = (rev & 0x000000ff);
1804
1805                 if (flag)
1806                         sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1807                                 b2, b3, c, b4);
1808                 else
1809                         sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1810                                 b2, b3, c, b4);
1811         }
1812         return;
1813 }