err.no Git - linux-2.6/blob - drivers/scsi/lpfc/lpfc_attr.c

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2004-2007 Emulex.  All rights reserved.           *
   5  * EMULEX and SLI are trademarks of Emulex.                        *
   6  * www.emulex.com                                                  *
   7  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
   8  *                                                                 *
   9  * This program is free software; you can redistribute it and/or   *
  10  * modify it under the terms of version 2 of the GNU General       *
  11  * Public License as published by the Free Software Foundation.    *
  12  * This program is distributed in the hope that it will be useful. *
  13  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  14  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  15  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  16  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  17  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  18  * more details, a copy of which can be found in the file COPYING  *
  19  * included with this package.                                     *
  20  *******************************************************************/
  21
  22 #include <linux/ctype.h>
  23 #include <linux/delay.h>
  24 #include <linux/pci.h>
  25 #include <linux/interrupt.h>
  26
  27 #include <scsi/scsi.h>
  28 #include <scsi/scsi_device.h>
  29 #include <scsi/scsi_host.h>
  30 #include <scsi/scsi_tcq.h>
  31 #include <scsi/scsi_transport_fc.h>
  32
  33 #include "lpfc_hw.h"
  34 #include "lpfc_sli.h"
  35 #include "lpfc_disc.h"
  36 #include "lpfc_scsi.h"
  37 #include "lpfc.h"
  38 #include "lpfc_logmsg.h"
  39 #include "lpfc_version.h"
  40 #include "lpfc_compat.h"
  41 #include "lpfc_crtn.h"
  42 #include "lpfc_vport.h"
  43
  44 #define LPFC_DEF_DEVLOSS_TMO 30
  45 #define LPFC_MIN_DEVLOSS_TMO 1
  46 #define LPFC_MAX_DEVLOSS_TMO 255
  47
  48 static void
  49 lpfc_jedec_to_ascii(int incr, char hdw[])
  50 {
  51         int i, j;
  52         for (i = 0; i < 8; i++) {
  53                 j = (incr & 0xf);
  54                 if (j <= 9)
  55                         hdw[7 - i] = 0x30 +  j;
  56                  else
  57                         hdw[7 - i] = 0x61 + j - 10;
  58                 incr = (incr >> 4);
  59         }
  60         hdw[8] = 0;
  61         return;
  62 }
  63
  64 static ssize_t
  65 lpfc_drvr_version_show(struct class_device *cdev, char *buf)
  66 {
  67         return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
  68 }
  69
  70 static ssize_t
  71 management_version_show(struct class_device *cdev, char *buf)
  72 {
  73         return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n");
  74 }
  75
  76 static ssize_t
  77 lpfc_info_show(struct class_device *cdev, char *buf)
  78 {
  79         struct Scsi_Host *host = class_to_shost(cdev);
  80
  81         return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
  82 }
  83
  84 static ssize_t
  85 lpfc_serialnum_show(struct class_device *cdev, char *buf)
  86 {
  87         struct Scsi_Host  *shost = class_to_shost(cdev);
  88         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
  89         struct lpfc_hba   *phba = vport->phba;
  90
  91         return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
  92 }
  93
  94 static ssize_t
  95 lpfc_modeldesc_show(struct class_device *cdev, char *buf)
  96 {
  97         struct Scsi_Host  *shost = class_to_shost(cdev);
  98         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
  99         struct lpfc_hba   *phba = vport->phba;
 100
 101         return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
 102 }
 103
 104 static ssize_t
 105 lpfc_modelname_show(struct class_device *cdev, char *buf)
 106 {
 107         struct Scsi_Host  *shost = class_to_shost(cdev);
 108         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 109         struct lpfc_hba   *phba = vport->phba;
 110
 111         return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
 112 }
 113
 114 static ssize_t
 115 lpfc_programtype_show(struct class_device *cdev, char *buf)
 116 {
 117         struct Scsi_Host  *shost = class_to_shost(cdev);
 118         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 119         struct lpfc_hba   *phba = vport->phba;
 120
 121         return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
 122 }
 123
 124 static ssize_t
 125 lpfc_vportnum_show(struct class_device *cdev, char *buf)
 126 {
 127         struct Scsi_Host  *shost = class_to_shost(cdev);
 128         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 129         struct lpfc_hba   *phba = vport->phba;
 130
 131         return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
 132 }
 133
 134 static ssize_t
 135 lpfc_fwrev_show(struct class_device *cdev, char *buf)
 136 {
 137         struct Scsi_Host  *shost = class_to_shost(cdev);
 138         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 139         struct lpfc_hba   *phba = vport->phba;
 140         char fwrev[32];
 141
 142         lpfc_decode_firmware_rev(phba, fwrev, 1);
 143         return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev);
 144 }
 145
 146 static ssize_t
 147 lpfc_hdw_show(struct class_device *cdev, char *buf)
 148 {
 149         char hdw[9];
 150         struct Scsi_Host  *shost = class_to_shost(cdev);
 151         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 152         struct lpfc_hba   *phba = vport->phba;
 153         lpfc_vpd_t *vp = &phba->vpd;
 154
 155         lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
 156         return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
 157 }
 158 static ssize_t
 159 lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
 160 {
 161         struct Scsi_Host  *shost = class_to_shost(cdev);
 162         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 163         struct lpfc_hba   *phba = vport->phba;
 164
 165         return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
 166 }
 167 static ssize_t
 168 lpfc_state_show(struct class_device *cdev, char *buf)
 169 {
 170         struct Scsi_Host  *shost = class_to_shost(cdev);
 171         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 172         struct lpfc_hba   *phba = vport->phba;
 173         int  len = 0;
 174
 175         switch (phba->link_state) {
 176         case LPFC_LINK_UNKNOWN:
 177         case LPFC_WARM_START:
 178         case LPFC_INIT_START:
 179         case LPFC_INIT_MBX_CMDS:
 180         case LPFC_LINK_DOWN:
 181         case LPFC_HBA_ERROR:
 182                 len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
 183                 break;
 184         case LPFC_LINK_UP:
 185         case LPFC_CLEAR_LA:
 186         case LPFC_HBA_READY:
 187                 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - \n");
 188
 189                 switch (vport->port_state) {
 190                         len += snprintf(buf + len, PAGE_SIZE-len,
 191                                         "initializing\n");
 192                         break;
 193                 case LPFC_LOCAL_CFG_LINK:
 194                         len += snprintf(buf + len, PAGE_SIZE-len,
 195                                         "Configuring Link\n");
 196                         break;
 197                 case LPFC_FDISC:
 198                 case LPFC_FLOGI:
 199                 case LPFC_FABRIC_CFG_LINK:
 200                 case LPFC_NS_REG:
 201                 case LPFC_NS_QRY:
 202                 case LPFC_BUILD_DISC_LIST:
 203                 case LPFC_DISC_AUTH:
 204                         len += snprintf(buf + len, PAGE_SIZE - len,
 205                                         "Discovery\n");
 206                         break;
 207                 case LPFC_VPORT_READY:
 208                         len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n");
 209                         break;
 210
 211                 case LPFC_VPORT_FAILED:
 212                         len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n");
 213                         break;
 214
 215                 case LPFC_VPORT_UNKNOWN:
 216                         len += snprintf(buf + len, PAGE_SIZE - len,
 217                                         "Unknown\n");
 218                         break;
 219                 }
 220
 221                 if (phba->fc_topology == TOPOLOGY_LOOP) {
 222                         if (vport->fc_flag & FC_PUBLIC_LOOP)
 223                                 len += snprintf(buf + len, PAGE_SIZE-len,
 224                                                 "   Public Loop\n");
 225                         else
 226                                 len += snprintf(buf + len, PAGE_SIZE-len,
 227                                                 "   Private Loop\n");
 228                 } else {
 229                         if (vport->fc_flag & FC_FABRIC)
 230                                 len += snprintf(buf + len, PAGE_SIZE-len,
 231                                                 "   Fabric\n");
 232                         else
 233                                 len += snprintf(buf + len, PAGE_SIZE-len,
 234                                                 "   Point-2-Point\n");
 235                 }
 236         }
 237
 238         return len;
 239 }
 240
 241 static ssize_t
 242 lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
 243 {
 244         struct Scsi_Host  *shost = class_to_shost(cdev);
 245         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 246
 247         return snprintf(buf, PAGE_SIZE, "%d\n",
 248                         vport->fc_map_cnt + vport->fc_unmap_cnt);
 249 }
 250
 251
 252 static int
 253 lpfc_issue_lip(struct Scsi_Host *shost)
 254 {
 255         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 256         struct lpfc_hba   *phba = vport->phba;
 257         LPFC_MBOXQ_t *pmboxq;
 258         int mbxstatus = MBXERR_ERROR;
 259
 260         if ((vport->fc_flag & FC_OFFLINE_MODE) ||
 261             (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) ||
 262             (vport->port_state != LPFC_VPORT_READY))
 263                 return -EPERM;
 264
 265         pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
 266
 267         if (!pmboxq)
 268                 return -ENOMEM;
 269
 270         memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
 271         pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
 272         pmboxq->mb.mbxOwner = OWN_HOST;
 273
 274         mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
 275
 276         if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
 277                 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
 278                 lpfc_init_link(phba, pmboxq, phba->cfg_topology,
 279                                phba->cfg_link_speed);
 280                 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
 281                                                      phba->fc_ratov * 2);
 282         }
 283
 284         lpfc_set_loopback_flag(phba);
 285         if (mbxstatus == MBX_TIMEOUT)
 286                 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 287         else
 288                 mempool_free(pmboxq, phba->mbox_mem_pool);
 289
 290         if (mbxstatus == MBXERR_ERROR)
 291                 return -EIO;
 292
 293         return 0;
 294 }
 295
 296 static int
 297 lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
 298 {
 299         struct completion online_compl;
 300         struct lpfc_sli_ring *pring;
 301         struct lpfc_sli *psli;
 302         int status = 0;
 303         int cnt = 0;
 304         int i;
 305
 306         init_completion(&online_compl);
 307         lpfc_workq_post_event(phba, &status, &online_compl,
 308                               LPFC_EVT_OFFLINE_PREP);
 309         wait_for_completion(&online_compl);
 310
 311         if (status != 0)
 312                 return -EIO;
 313
 314         psli = &phba->sli;
 315
 316         for (i = 0; i < psli->num_rings; i++) {
 317                 pring = &psli->ring[i];
 318                 /* The linkdown event takes 30 seconds to timeout. */
 319                 while (pring->txcmplq_cnt) {
 320                         msleep(10);
 321                         if (cnt++ > 3000) {
 322                                 lpfc_printf_log(phba,
 323                                         KERN_WARNING, LOG_INIT,
 324                                         "%d:0466 Outstanding IO when "
 325                                         "bringing Adapter offline\n",
 326                                         phba->brd_no);
 327                                 break;
 328                         }
 329                 }
 330         }
 331
 332         init_completion(&online_compl);
 333         lpfc_workq_post_event(phba, &status, &online_compl, type);
 334         wait_for_completion(&online_compl);
 335
 336         if (status != 0)
 337                 return -EIO;
 338
 339         return 0;
 340 }
 341
 342 static int
 343 lpfc_selective_reset(struct lpfc_hba *phba)
 344 {
 345         struct completion online_compl;
 346         int status = 0;
 347
 348         status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
 349
 350         if (status != 0)
 351                 return status;
 352
 353         init_completion(&online_compl);
 354         lpfc_workq_post_event(phba, &status, &online_compl,
 355                               LPFC_EVT_ONLINE);
 356         wait_for_completion(&online_compl);
 357
 358         if (status != 0)
 359                 return -EIO;
 360
 361         return 0;
 362 }
 363
 364 static ssize_t
 365 lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count)
 366 {
 367         struct Scsi_Host  *shost = class_to_shost(cdev);
 368         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 369         struct lpfc_hba   *phba = vport->phba;
 370
 371         int status = -EINVAL;
 372
 373         if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
 374                 status = lpfc_selective_reset(phba);
 375
 376         if (status == 0)
 377                 return strlen(buf);
 378         else
 379                 return status;
 380 }
 381
 382 static ssize_t
 383 lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
 384 {
 385         struct Scsi_Host  *shost = class_to_shost(cdev);
 386         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 387         struct lpfc_hba   *phba = vport->phba;
 388
 389         return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
 390 }
 391
 392 static ssize_t
 393 lpfc_board_mode_show(struct class_device *cdev, char *buf)
 394 {
 395         struct Scsi_Host  *shost = class_to_shost(cdev);
 396         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 397         struct lpfc_hba   *phba = vport->phba;
 398         char  * state;
 399
 400         if (phba->link_state == LPFC_HBA_ERROR)
 401                 state = "error";
 402         else if (phba->link_state == LPFC_WARM_START)
 403                 state = "warm start";
 404         else if (phba->link_state == LPFC_INIT_START)
 405                 state = "offline";
 406         else
 407                 state = "online";
 408
 409         return snprintf(buf, PAGE_SIZE, "%s\n", state);
 410 }
 411
 412 static ssize_t
 413 lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count)
 414 {
 415         struct Scsi_Host  *shost = class_to_shost(cdev);
 416         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 417         struct lpfc_hba   *phba = vport->phba;
 418         struct completion online_compl;
 419         int status=0;
 420
 421         init_completion(&online_compl);
 422
 423         if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
 424                 lpfc_workq_post_event(phba, &status, &online_compl,
 425                                       LPFC_EVT_ONLINE);
 426                 wait_for_completion(&online_compl);
 427         } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
 428                 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
 429         else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
 430                 status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
 431         else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
 432                 status = lpfc_do_offline(phba, LPFC_EVT_KILL);
 433         else
 434                 return -EINVAL;
 435
 436         if (!status)
 437                 return strlen(buf);
 438         else
 439                 return -EIO;
 440 }
 441
 442 static ssize_t
 443 lpfc_max_vpi_show(struct class_device *cdev, char *buf)
 444 {
 445         struct Scsi_Host  *shost = class_to_shost(cdev);
 446         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 447         struct lpfc_hba   *phba = vport->phba;
 448
 449         return snprintf(buf, PAGE_SIZE, "%d\n", phba->max_vpi);
 450 }
 451
 452 static ssize_t
 453 lpfc_used_vpi_show(struct class_device *cdev, char *buf)
 454 {
 455         struct Scsi_Host  *shost = class_to_shost(cdev);
 456         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 457         struct lpfc_hba   *phba = vport->phba;
 458
 459         /* Don't count the physical port */
 460         return snprintf(buf, PAGE_SIZE, "%d\n", phba->vpi_cnt-1);
 461 }
 462
 463 int
 464 lpfc_get_hba_info(struct lpfc_hba *phba, uint32_t *mxri,
 465         uint32_t *axri, uint32_t *mrpi, uint32_t *arpi)
 466 {
 467         struct lpfc_sli   *psli = &phba->sli;
 468         LPFC_MBOXQ_t *pmboxq;
 469         MAILBOX_t *pmb;
 470         int rc = 0;
 471
 472         /*
 473          * prevent udev from issuing mailbox commands until the port is
 474          * configured.
 475          */
 476         if (phba->link_state < LPFC_LINK_DOWN ||
 477             !phba->mbox_mem_pool ||
 478             (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
 479                 return 0;
 480
 481         if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
 482                 return 0;
 483
 484         pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 485         if (!pmboxq)
 486                 return 0;
 487         memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
 488
 489         pmb = &pmboxq->mb;
 490         pmb->mbxCommand = MBX_READ_CONFIG;
 491         pmb->mbxOwner = OWN_HOST;
 492         pmboxq->context1 = NULL;
 493
 494         if ((phba->pport->fc_flag & FC_OFFLINE_MODE) ||
 495                 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
 496                 rc = MBX_NOT_FINISHED;
 497         else
 498                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
 499
 500         if (rc != MBX_SUCCESS) {
 501                 if (rc == MBX_TIMEOUT)
 502                         pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 503                 else
 504                         mempool_free(pmboxq, phba->mbox_mem_pool);
 505                 return 0;
 506         }
 507
 508         if (mrpi)
 509                 *mrpi = pmb->un.varRdConfig.max_rpi;
 510         if (arpi)
 511                 *arpi = pmb->un.varRdConfig.avail_rpi;
 512         if (mxri)
 513                 *mxri = pmb->un.varRdConfig.max_xri;
 514         if (axri)
 515                 *axri = pmb->un.varRdConfig.avail_xri;
 516
 517         mempool_free(pmboxq, phba->mbox_mem_pool);
 518         return 1;
 519 }
 520
 521 static ssize_t
 522 lpfc_max_rpi_show(struct class_device *cdev, char *buf)
 523 {
 524         struct Scsi_Host  *shost = class_to_shost(cdev);
 525         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 526         struct lpfc_hba   *phba = vport->phba;
 527         uint32_t cnt;
 528
 529         if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL))
 530                 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
 531         return snprintf(buf, PAGE_SIZE, "Unknown\n");
 532 }
 533
 534 static ssize_t
 535 lpfc_used_rpi_show(struct class_device *cdev, char *buf)
 536 {
 537         struct Scsi_Host  *shost = class_to_shost(cdev);
 538         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 539         struct lpfc_hba   *phba = vport->phba;
 540         uint32_t cnt, acnt;
 541
 542         if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt))
 543                 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
 544         return snprintf(buf, PAGE_SIZE, "Unknown\n");
 545 }
 546
 547 static ssize_t
 548 lpfc_max_xri_show(struct class_device *cdev, char *buf)
 549 {
 550         struct Scsi_Host  *shost = class_to_shost(cdev);
 551         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 552         struct lpfc_hba   *phba = vport->phba;
 553         uint32_t cnt;
 554
 555         if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL))
 556                 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
 557         return snprintf(buf, PAGE_SIZE, "Unknown\n");
 558 }
 559
 560 static ssize_t
 561 lpfc_used_xri_show(struct class_device *cdev, char *buf)
 562 {
 563         struct Scsi_Host  *shost = class_to_shost(cdev);
 564         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 565         struct lpfc_hba   *phba = vport->phba;
 566         uint32_t cnt, acnt;
 567
 568         if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL))
 569                 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
 570         return snprintf(buf, PAGE_SIZE, "Unknown\n");
 571 }
 572
 573 static ssize_t
 574 lpfc_npiv_info_show(struct class_device *cdev, char *buf)
 575 {
 576         struct Scsi_Host  *shost = class_to_shost(cdev);
 577         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 578         struct lpfc_hba   *phba = vport->phba;
 579
 580         if (!(phba->max_vpi))
 581                 return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n");
 582         if (vport->port_type == LPFC_PHYSICAL_PORT)
 583                 return snprintf(buf, PAGE_SIZE, "NPIV Physical\n");
 584         return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
 585 }
 586
 587 static ssize_t
 588 lpfc_poll_show(struct class_device *cdev, char *buf)
 589 {
 590         struct Scsi_Host  *shost = class_to_shost(cdev);
 591         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 592         struct lpfc_hba   *phba = vport->phba;
 593
 594         return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
 595 }
 596
 597 static ssize_t
 598 lpfc_poll_store(struct class_device *cdev, const char *buf,
 599                 size_t count)
 600 {
 601         struct Scsi_Host  *shost = class_to_shost(cdev);
 602         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 603         struct lpfc_hba   *phba = vport->phba;
 604         uint32_t creg_val;
 605         uint32_t old_val;
 606         int val=0;
 607
 608         if (!isdigit(buf[0]))
 609                 return -EINVAL;
 610
 611         if (sscanf(buf, "%i", &val) != 1)
 612                 return -EINVAL;
 613
 614         if ((val & 0x3) != val)
 615                 return -EINVAL;
 616
 617         spin_lock_irq(&phba->hbalock);
 618
 619         old_val = phba->cfg_poll;
 620
 621         if (val & ENABLE_FCP_RING_POLLING) {
 622                 if ((val & DISABLE_FCP_RING_INT) &&
 623                     !(old_val & DISABLE_FCP_RING_INT)) {
 624                         creg_val = readl(phba->HCregaddr);
 625                         creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
 626                         writel(creg_val, phba->HCregaddr);
 627                         readl(phba->HCregaddr); /* flush */
 628
 629                         lpfc_poll_start_timer(phba);
 630                 }
 631         } else if (val != 0x0) {
 632                 spin_unlock_irq(&phba->hbalock);
 633                 return -EINVAL;
 634         }
 635
 636         if (!(val & DISABLE_FCP_RING_INT) &&
 637             (old_val & DISABLE_FCP_RING_INT))
 638         {
 639                 spin_unlock_irq(&phba->hbalock);
 640                 del_timer(&phba->fcp_poll_timer);
 641                 spin_lock_irq(&phba->hbalock);
 642                 creg_val = readl(phba->HCregaddr);
 643                 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
 644                 writel(creg_val, phba->HCregaddr);
 645                 readl(phba->HCregaddr); /* flush */
 646         }
 647
 648         phba->cfg_poll = val;
 649
 650         spin_unlock_irq(&phba->hbalock);
 651
 652         return strlen(buf);
 653 }
 654
 655 #define lpfc_param_show(attr)   \
 656 static ssize_t \
 657 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
 658 { \
 659         struct Scsi_Host  *shost = class_to_shost(cdev);\
 660         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
 661         struct lpfc_hba   *phba = vport->phba;\
 662         int val = 0;\
 663         val = phba->cfg_##attr;\
 664         return snprintf(buf, PAGE_SIZE, "%d\n",\
 665                         phba->cfg_##attr);\
 666 }
 667
 668 #define lpfc_param_hex_show(attr)       \
 669 static ssize_t \
 670 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
 671 { \
 672         struct Scsi_Host  *shost = class_to_shost(cdev);\
 673         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
 674         struct lpfc_hba   *phba = vport->phba;\
 675         int val = 0;\
 676         val = phba->cfg_##attr;\
 677         return snprintf(buf, PAGE_SIZE, "%#x\n",\
 678                         phba->cfg_##attr);\
 679 }
 680
 681 #define lpfc_param_init(attr, default, minval, maxval)  \
 682 static int \
 683 lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
 684 { \
 685         if (val >= minval && val <= maxval) {\
 686                 phba->cfg_##attr = val;\
 687                 return 0;\
 688         }\
 689         lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
 690                         "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\
 691                         "allowed range is ["#minval", "#maxval"]\n", \
 692                         phba->brd_no, val); \
 693         phba->cfg_##attr = default;\
 694         return -EINVAL;\
 695 }
 696
 697 #define lpfc_param_set(attr, default, minval, maxval)   \
 698 static int \
 699 lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
 700 { \
 701         if (val >= minval && val <= maxval) {\
 702                 phba->cfg_##attr = val;\
 703                 return 0;\
 704         }\
 705         lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
 706                         "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\
 707                         "allowed range is ["#minval", "#maxval"]\n", \
 708                         phba->brd_no, val); \
 709         return -EINVAL;\
 710 }
 711
 712 #define lpfc_param_store(attr)  \
 713 static ssize_t \
 714 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
 715 { \
 716         struct Scsi_Host  *shost = class_to_shost(cdev);\
 717         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
 718         struct lpfc_hba   *phba = vport->phba;\
 719         int val=0;\
 720         if (!isdigit(buf[0]))\
 721                 return -EINVAL;\
 722         if (sscanf(buf, "%i", &val) != 1)\
 723                 return -EINVAL;\
 724         if (lpfc_##attr##_set(phba, val) == 0) \
 725                 return strlen(buf);\
 726         else \
 727                 return -EINVAL;\
 728 }
 729
 730 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
 731 static int lpfc_##name = defval;\
 732 module_param(lpfc_##name, int, 0);\
 733 MODULE_PARM_DESC(lpfc_##name, desc);\
 734 lpfc_param_init(name, defval, minval, maxval)
 735
 736 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
 737 static int lpfc_##name = defval;\
 738 module_param(lpfc_##name, int, 0);\
 739 MODULE_PARM_DESC(lpfc_##name, desc);\
 740 lpfc_param_show(name)\
 741 lpfc_param_init(name, defval, minval, maxval)\
 742 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
 743
 744 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
 745 static int lpfc_##name = defval;\
 746 module_param(lpfc_##name, int, 0);\
 747 MODULE_PARM_DESC(lpfc_##name, desc);\
 748 lpfc_param_show(name)\
 749 lpfc_param_init(name, defval, minval, maxval)\
 750 lpfc_param_set(name, defval, minval, maxval)\
 751 lpfc_param_store(name)\
 752 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
 753                          lpfc_##name##_show, lpfc_##name##_store)
 754
 755 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
 756 static int lpfc_##name = defval;\
 757 module_param(lpfc_##name, int, 0);\
 758 MODULE_PARM_DESC(lpfc_##name, desc);\
 759 lpfc_param_hex_show(name)\
 760 lpfc_param_init(name, defval, minval, maxval)\
 761 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
 762
 763 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
 764 static int lpfc_##name = defval;\
 765 module_param(lpfc_##name, int, 0);\
 766 MODULE_PARM_DESC(lpfc_##name, desc);\
 767 lpfc_param_hex_show(name)\
 768 lpfc_param_init(name, defval, minval, maxval)\
 769 lpfc_param_set(name, defval, minval, maxval)\
 770 lpfc_param_store(name)\
 771 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
 772                          lpfc_##name##_show, lpfc_##name##_store)
 773
 774 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
 775 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
 776 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
 777 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
 778 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
 779 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
 780 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
 781 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
 782 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
 783 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
 784                                         lpfc_option_rom_version_show, NULL);
 785 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
 786                                         lpfc_num_discovered_ports_show, NULL);
 787 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
 788 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
 789                          NULL);
 790 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
 791                          NULL);
 792 static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
 793                          lpfc_board_mode_show, lpfc_board_mode_store);
 794 static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
 795 static CLASS_DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
 796 static CLASS_DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
 797 static CLASS_DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
 798 static CLASS_DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
 799 static CLASS_DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
 800 static CLASS_DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
 801 static CLASS_DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
 802
 803
 804 static char *lpfc_soft_wwn_key = "C99G71SL8032A";
 805
 806 static ssize_t
 807 lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf,
 808                                 size_t count)
 809 {
 810         struct Scsi_Host  *shost = class_to_shost(cdev);
 811         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 812         struct lpfc_hba   *phba = vport->phba;
 813         unsigned int cnt = count;
 814
 815         /*
 816          * We're doing a simple sanity check for soft_wwpn setting.
 817          * We require that the user write a specific key to enable
 818          * the soft_wwpn attribute to be settable. Once the attribute
 819          * is written, the enable key resets. If further updates are
 820          * desired, the key must be written again to re-enable the
 821          * attribute.
 822          *
 823          * The "key" is not secret - it is a hardcoded string shown
 824          * here. The intent is to protect against the random user or
 825          * application that is just writing attributes.
 826          */
 827
 828         /* count may include a LF at end of string */
 829         if (buf[cnt-1] == '\n')
 830                 cnt--;
 831
 832         if ((cnt != strlen(lpfc_soft_wwn_key)) ||
 833             (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
 834                 return -EINVAL;
 835
 836         phba->soft_wwn_enable = 1;
 837         return count;
 838 }
 839 static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
 840                                 lpfc_soft_wwn_enable_store);
 841
 842 static ssize_t
 843 lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
 844 {
 845         struct Scsi_Host  *shost = class_to_shost(cdev);
 846         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 847         struct lpfc_hba   *phba = vport->phba;
 848
 849         return snprintf(buf, PAGE_SIZE, "0x%llx\n",
 850                         (unsigned long long)phba->cfg_soft_wwpn);
 851 }
 852
 853
 854 static ssize_t
 855 lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
 856 {
 857         struct Scsi_Host  *shost = class_to_shost(cdev);
 858         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 859         struct lpfc_hba   *phba = vport->phba;
 860         struct completion online_compl;
 861         int stat1=0, stat2=0;
 862         unsigned int i, j, cnt=count;
 863         u8 wwpn[8];
 864
 865         /* count may include a LF at end of string */
 866         if (buf[cnt-1] == '\n')
 867                 cnt--;
 868
 869         if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
 870             ((cnt == 17) && (*buf++ != 'x')) ||
 871             ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
 872                 return -EINVAL;
 873
 874         phba->soft_wwn_enable = 0;
 875
 876         memset(wwpn, 0, sizeof(wwpn));
 877
 878         /* Validate and store the new name */
 879         for (i=0, j=0; i < 16; i++) {
 880                 if ((*buf >= 'a') && (*buf <= 'f'))
 881                         j = ((j << 4) | ((*buf++ -'a') + 10));
 882                 else if ((*buf >= 'A') && (*buf <= 'F'))
 883                         j = ((j << 4) | ((*buf++ -'A') + 10));
 884                 else if ((*buf >= '0') && (*buf <= '9'))
 885                         j = ((j << 4) | (*buf++ -'0'));
 886                 else
 887                         return -EINVAL;
 888                 if (i % 2) {
 889                         wwpn[i/2] = j & 0xff;
 890                         j = 0;
 891                 }
 892         }
 893         phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
 894         fc_host_port_name(shost) = phba->cfg_soft_wwpn;
 895         if (phba->cfg_soft_wwnn)
 896                 fc_host_node_name(shost) = phba->cfg_soft_wwnn;
 897
 898         dev_printk(KERN_NOTICE, &phba->pcidev->dev,
 899                    "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
 900
 901         stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
 902         if (stat1)
 903                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 904                         "%d:0463 lpfc_soft_wwpn attribute set failed to reinit "
 905                         "adapter - %d\n", phba->brd_no, stat1);
 906
 907         init_completion(&online_compl);
 908         lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
 909         wait_for_completion(&online_compl);
 910         if (stat2)
 911                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 912                         "%d:0464 lpfc_soft_wwpn attribute set failed to reinit "
 913                         "adapter - %d\n", phba->brd_no, stat2);
 914
 915         return (stat1 || stat2) ? -EIO : count;
 916 }
 917 static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
 918                          lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
 919
 920 static ssize_t
 921 lpfc_soft_wwnn_show(struct class_device *cdev, char *buf)
 922 {
 923         struct Scsi_Host *host = class_to_shost(cdev);
 924         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 925         return snprintf(buf, PAGE_SIZE, "0x%llx\n",
 926                         (unsigned long long)phba->cfg_soft_wwnn);
 927 }
 928
 929
 930 static ssize_t
 931 lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count)
 932 {
 933         struct Scsi_Host *host = class_to_shost(cdev);
 934         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 935         unsigned int i, j, cnt=count;
 936         u8 wwnn[8];
 937
 938         /* count may include a LF at end of string */
 939         if (buf[cnt-1] == '\n')
 940                 cnt--;
 941
 942         if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
 943             ((cnt == 17) && (*buf++ != 'x')) ||
 944             ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
 945                 return -EINVAL;
 946
 947         /*
 948          * Allow wwnn to be set many times, as long as the enable is set.
 949          * However, once the wwpn is set, everything locks.
 950          */
 951
 952         memset(wwnn, 0, sizeof(wwnn));
 953
 954         /* Validate and store the new name */
 955         for (i=0, j=0; i < 16; i++) {
 956                 if ((*buf >= 'a') && (*buf <= 'f'))
 957                         j = ((j << 4) | ((*buf++ -'a') + 10));
 958                 else if ((*buf >= 'A') && (*buf <= 'F'))
 959                         j = ((j << 4) | ((*buf++ -'A') + 10));
 960                 else if ((*buf >= '0') && (*buf <= '9'))
 961                         j = ((j << 4) | (*buf++ -'0'));
 962                 else
 963                         return -EINVAL;
 964                 if (i % 2) {
 965                         wwnn[i/2] = j & 0xff;
 966                         j = 0;
 967                 }
 968         }
 969         phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
 970
 971         dev_printk(KERN_NOTICE, &phba->pcidev->dev,
 972                    "lpfc%d: soft_wwnn set. Value will take effect upon "
 973                    "setting of the soft_wwpn\n", phba->brd_no);
 974
 975         return count;
 976 }
 977 static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
 978                          lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
 979
 980
 981 static int lpfc_poll = 0;
 982 module_param(lpfc_poll, int, 0);
 983 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
 984                  " 0 - none,"
 985                  " 1 - poll with interrupts enabled"
 986                  " 3 - poll and disable FCP ring interrupts");
 987
 988 static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
 989                          lpfc_poll_show, lpfc_poll_store);
 990
 991 int  lpfc_sli_mode = 0;
 992 module_param(lpfc_sli_mode, int, 0);
 993 MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
 994                  " 0 - auto (SLI-3 if supported),"
 995                  " 2 - select SLI-2 even on SLI-3 capable HBAs,"
 996                  " 3 - select SLI-3");
 997
 998 int  lpfc_npiv_enable = 0;
 999 module_param(lpfc_npiv_enable, int, 0);
1000 MODULE_PARM_DESC(lpfc_npiv_enable, "Enable NPIV functionality");
1001
1002 /*
1003 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
1004 # until the timer expires. Value range is [0,255]. Default value is 30.
1005 */
1006 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
1007 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
1008 module_param(lpfc_nodev_tmo, int, 0);
1009 MODULE_PARM_DESC(lpfc_nodev_tmo,
1010                  "Seconds driver will hold I/O waiting "
1011                  "for a device to come back");
1012 static ssize_t
1013 lpfc_nodev_tmo_show(struct class_device *cdev, char *buf)
1014 {
1015         struct Scsi_Host  *shost = class_to_shost(cdev);
1016         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1017         struct lpfc_hba   *phba = vport->phba;
1018         int val = 0;
1019         val = phba->cfg_devloss_tmo;
1020         return snprintf(buf, PAGE_SIZE, "%d\n",
1021                         phba->cfg_devloss_tmo);
1022 }
1023
1024 static int
1025 lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val)
1026 {
1027         static int warned;
1028         if (phba->cfg_devloss_tmo !=  LPFC_DEF_DEVLOSS_TMO) {
1029                 phba->cfg_nodev_tmo = phba->cfg_devloss_tmo;
1030                 if (!warned && val != LPFC_DEF_DEVLOSS_TMO) {
1031                         warned = 1;
1032                         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1033                                         "%d:0402 Ignoring nodev_tmo module "
1034                                         "parameter because devloss_tmo is"
1035                                         " set.\n",
1036                                         phba->brd_no);
1037                 }
1038                 return 0;
1039         }
1040
1041         if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1042                 phba->cfg_nodev_tmo = val;
1043                 phba->cfg_devloss_tmo = val;
1044                 return 0;
1045         }
1046         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1047                         "%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, "
1048                         "allowed range is [%d, %d]\n",
1049                         phba->brd_no, val,
1050                         LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
1051         phba->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
1052         return -EINVAL;
1053 }
1054
1055 static int
1056 lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val)
1057 {
1058         if (phba->dev_loss_tmo_changed ||
1059                 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
1060                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1061                                 "%d:0401 Ignoring change to nodev_tmo "
1062                                 "because devloss_tmo is set.\n",
1063                                 phba->brd_no);
1064                 return 0;
1065         }
1066
1067         if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1068                 phba->cfg_nodev_tmo = val;
1069                 phba->cfg_devloss_tmo = val;
1070                 return 0;
1071         }
1072
1073         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1074                         "%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, "
1075                         "allowed range is [%d, %d]\n",
1076                         phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
1077                         LPFC_MAX_DEVLOSS_TMO);
1078         return -EINVAL;
1079 }
1080
1081 lpfc_param_store(nodev_tmo)
1082
1083 static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
1084                          lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
1085
1086 /*
1087 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
1088 # disappear until the timer expires. Value range is [0,255]. Default
1089 # value is 30.
1090 */
1091 module_param(lpfc_devloss_tmo, int, 0);
1092 MODULE_PARM_DESC(lpfc_devloss_tmo,
1093                  "Seconds driver will hold I/O waiting "
1094                  "for a device to come back");
1095 lpfc_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
1096                 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
1097 lpfc_param_show(devloss_tmo)
1098 static int
1099 lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val)
1100 {
1101         if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1102                 phba->cfg_nodev_tmo = val;
1103                 phba->cfg_devloss_tmo = val;
1104                 phba->dev_loss_tmo_changed = 1;
1105                 return 0;
1106         }
1107
1108         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1109                         "%d:0404 lpfc_devloss_tmo attribute cannot be set to"
1110                         " %d, allowed range is [%d, %d]\n",
1111                         phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
1112                         LPFC_MAX_DEVLOSS_TMO);
1113         return -EINVAL;
1114 }
1115
1116 lpfc_param_store(devloss_tmo)
1117 static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
1118         lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
1119
1120 /*
1121 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
1122 # deluged with LOTS of information.
1123 # You can set a bit mask to record specific types of verbose messages:
1124 #
1125 # LOG_ELS                       0x1        ELS events
1126 # LOG_DISCOVERY                 0x2        Link discovery events
1127 # LOG_MBOX                      0x4        Mailbox events
1128 # LOG_INIT                      0x8        Initialization events
1129 # LOG_LINK_EVENT                0x10       Link events
1130 # LOG_FCP                       0x40       FCP traffic history
1131 # LOG_NODE                      0x80       Node table events
1132 # LOG_MISC                      0x400      Miscellaneous events
1133 # LOG_SLI                       0x800      SLI events
1134 # LOG_FCP_ERROR                 0x1000     Only log FCP errors
1135 # LOG_LIBDFC                    0x2000     LIBDFC events
1136 # LOG_ALL_MSG                   0xffff     LOG all messages
1137 */
1138 LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
1139
1140 /*
1141 # lun_queue_depth:  This parameter is used to limit the number of outstanding
1142 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
1143 */
1144 LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
1145             "Max number of FCP commands we can queue to a specific LUN");
1146
1147 /*
1148 # hba_queue_depth:  This parameter is used to limit the number of outstanding
1149 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
1150 # value is greater than the maximum number of exchanges supported by the HBA,
1151 # then maximum number of exchanges supported by the HBA is used to determine
1152 # the hba_queue_depth.
1153 */
1154 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
1155             "Max number of FCP commands we can queue to a lpfc HBA");
1156
1157 /*
1158 # peer_port_login:  This parameter allows/prevents logins
1159 # between peer ports hosted on the same physical port.
1160 # When this parameter is set 0 peer ports of same physical port
1161 # are not allowed to login to each other.
1162 # When this parameter is set 1 peer ports of same physical port
1163 # are allowed to login to each other.
1164 # Default value of this parameter is 0.
1165 */
1166 LPFC_ATTR_R(peer_port_login, 0, 0, 1,
1167             "Allow peer ports on the same physical port to login to each "
1168             "other.");
1169
1170 /*
1171 # vport_restrict_login:  This parameter allows/prevents logins
1172 # between Virtual Ports and remote initiators.
1173 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
1174 # other initiators and will attempt to PLOGI all remote ports.
1175 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
1176 # remote ports and will not attempt to PLOGI to other initiators.
1177 # This parameter does not restrict to the physical port.
1178 # This parameter does not restrict logins to Fabric resident remote ports.
1179 # Default value of this parameter is 1.
1180 */
1181 LPFC_ATTR_RW(vport_restrict_login, 1, 0, 1,
1182             "Restrict virtual ports login to remote initiators.");
1183
1184 /*
1185 # Some disk devices have a "select ID" or "select Target" capability.
1186 # From a protocol standpoint "select ID" usually means select the
1187 # Fibre channel "ALPA".  In the FC-AL Profile there is an "informative
1188 # annex" which contains a table that maps a "select ID" (a number
1189 # between 0 and 7F) to an ALPA.  By default, for compatibility with
1190 # older drivers, the lpfc driver scans this table from low ALPA to high
1191 # ALPA.
1192 #
1193 # Turning on the scan-down variable (on  = 1, off = 0) will
1194 # cause the lpfc driver to use an inverted table, effectively
1195 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
1196 #
1197 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
1198 # and will not work across a fabric. Also this parameter will take
1199 # effect only in the case when ALPA map is not available.)
1200 */
1201 LPFC_ATTR_R(scan_down, 1, 0, 1,
1202              "Start scanning for devices from highest ALPA to lowest");
1203
1204 /*
1205 # lpfc_topology:  link topology for init link
1206 #            0x0  = attempt loop mode then point-to-point
1207 #            0x01 = internal loopback mode
1208 #            0x02 = attempt point-to-point mode only
1209 #            0x04 = attempt loop mode only
1210 #            0x06 = attempt point-to-point mode then loop
1211 # Set point-to-point mode if you want to run as an N_Port.
1212 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
1213 # Default value is 0.
1214 */
1215 LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology");
1216
1217 /*
1218 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
1219 # connection.
1220 #       0  = auto select (default)
1221 #       1  = 1 Gigabaud
1222 #       2  = 2 Gigabaud
1223 #       4  = 4 Gigabaud
1224 #       8  = 8 Gigabaud
1225 # Value range is [0,8]. Default value is 0.
1226 */
1227 LPFC_ATTR_R(link_speed, 0, 0, 8, "Select link speed");
1228
1229 /*
1230 # lpfc_fcp_class:  Determines FC class to use for the FCP protocol.
1231 # Value range is [2,3]. Default value is 3.
1232 */
1233 LPFC_ATTR_R(fcp_class, 3, 2, 3,
1234              "Select Fibre Channel class of service for FCP sequences");
1235
1236 /*
1237 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
1238 # is [0,1]. Default value is 0.
1239 */
1240 LPFC_ATTR_RW(use_adisc, 0, 0, 1,
1241              "Use ADISC on rediscovery to authenticate FCP devices");
1242
1243 /*
1244 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
1245 # range is [0,1]. Default value is 0.
1246 */
1247 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
1248
1249 /*
1250 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
1251 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
1252 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
1253 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
1254 # cr_delay is set to 0.
1255 */
1256 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
1257                 "interrupt response is generated");
1258
1259 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
1260                 "interrupt response is generated");
1261
1262 /*
1263 # lpfc_multi_ring_support:  Determines how many rings to spread available
1264 # cmd/rsp IOCB entries across.
1265 # Value range is [1,2]. Default value is 1.
1266 */
1267 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
1268                 "SLI rings to spread IOCB entries across");
1269
1270 /*
1271 # lpfc_multi_ring_rctl:  If lpfc_multi_ring_support is enabled, this
1272 # identifies what rctl value to configure the additional ring for.
1273 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
1274 */
1275 LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
1276              255, "Identifies RCTL for additional ring configuration");
1277
1278 /*
1279 # lpfc_multi_ring_type:  If lpfc_multi_ring_support is enabled, this
1280 # identifies what type value to configure the additional ring for.
1281 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
1282 */
1283 LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
1284              255, "Identifies TYPE for additional ring configuration");
1285
1286 /*
1287 # lpfc_fdmi_on: controls FDMI support.
1288 #       0 = no FDMI support
1289 #       1 = support FDMI without attribute of hostname
1290 #       2 = support FDMI with attribute of hostname
1291 # Value range [0,2]. Default value is 0.
1292 */
1293 LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
1294
1295 /*
1296 # Specifies the maximum number of ELS cmds we can have outstanding (for
1297 # discovery). Value range is [1,64]. Default value = 32.
1298 */
1299 LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
1300                  "during discovery");
1301
1302 /*
1303 # lpfc_max_luns: maximum allowed LUN.
1304 # Value range is [0,65535]. Default value is 255.
1305 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
1306 */
1307 LPFC_ATTR_R(max_luns, 255, 0, 65535,
1308              "Maximum allowed LUN");
1309
1310 /*
1311 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
1312 # Value range is [1,255], default value is 10.
1313 */
1314 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
1315              "Milliseconds driver will wait between polling FCP ring");
1316
1317 /*
1318 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
1319 #               support this feature
1320 #       0  = MSI disabled (default)
1321 #       1  = MSI enabled
1322 # Value range is [0,1]. Default value is 0.
1323 */
1324 LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible");
1325
1326
1327
1328 struct class_device_attribute *lpfc_hba_attrs[] = {
1329         &class_device_attr_info,
1330         &class_device_attr_serialnum,
1331         &class_device_attr_modeldesc,
1332         &class_device_attr_modelname,
1333         &class_device_attr_programtype,
1334         &class_device_attr_portnum,
1335         &class_device_attr_fwrev,
1336         &class_device_attr_hdw,
1337         &class_device_attr_option_rom_version,
1338         &class_device_attr_state,
1339         &class_device_attr_num_discovered_ports,
1340         &class_device_attr_lpfc_drvr_version,
1341         &class_device_attr_lpfc_log_verbose,
1342         &class_device_attr_lpfc_lun_queue_depth,
1343         &class_device_attr_lpfc_hba_queue_depth,
1344         &class_device_attr_lpfc_peer_port_login,
1345         &class_device_attr_lpfc_vport_restrict_login,
1346         &class_device_attr_lpfc_nodev_tmo,
1347         &class_device_attr_lpfc_devloss_tmo,
1348         &class_device_attr_lpfc_fcp_class,
1349         &class_device_attr_lpfc_use_adisc,
1350         &class_device_attr_lpfc_ack0,
1351         &class_device_attr_lpfc_topology,
1352         &class_device_attr_lpfc_scan_down,
1353         &class_device_attr_lpfc_link_speed,
1354         &class_device_attr_lpfc_cr_delay,
1355         &class_device_attr_lpfc_cr_count,
1356         &class_device_attr_lpfc_multi_ring_support,
1357         &class_device_attr_lpfc_multi_ring_rctl,
1358         &class_device_attr_lpfc_multi_ring_type,
1359         &class_device_attr_lpfc_fdmi_on,
1360         &class_device_attr_lpfc_max_luns,
1361         &class_device_attr_nport_evt_cnt,
1362         &class_device_attr_management_version,
1363         &class_device_attr_board_mode,
1364         &class_device_attr_max_vpi,
1365         &class_device_attr_used_vpi,
1366         &class_device_attr_max_rpi,
1367         &class_device_attr_used_rpi,
1368         &class_device_attr_max_xri,
1369         &class_device_attr_used_xri,
1370         &class_device_attr_npiv_info,
1371         &class_device_attr_issue_reset,
1372         &class_device_attr_lpfc_poll,
1373         &class_device_attr_lpfc_poll_tmo,
1374         &class_device_attr_lpfc_use_msi,
1375         &class_device_attr_lpfc_soft_wwnn,
1376         &class_device_attr_lpfc_soft_wwpn,
1377         &class_device_attr_lpfc_soft_wwn_enable,
1378         NULL,
1379 };
1380
1381 static ssize_t
1382 sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
1383 {
1384         size_t buf_off;
1385         struct class_device *cdev = container_of(kobj, struct class_device,
1386                                                  kobj);
1387         struct Scsi_Host  *shost = class_to_shost(cdev);
1388         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1389         struct lpfc_hba   *phba = vport->phba;
1390
1391         if ((off + count) > FF_REG_AREA_SIZE)
1392                 return -ERANGE;
1393
1394         if (count == 0) return 0;
1395
1396         if (off % 4 || count % 4 || (unsigned long)buf % 4)
1397                 return -EINVAL;
1398
1399         if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
1400                 return -EPERM;
1401         }
1402
1403         spin_lock_irq(&phba->hbalock);
1404         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
1405                 writel(*((uint32_t *)(buf + buf_off)),
1406                        phba->ctrl_regs_memmap_p + off + buf_off);
1407
1408         spin_unlock_irq(&phba->hbalock);
1409
1410         return count;
1411 }
1412
1413 static ssize_t
1414 sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
1415 {
1416         size_t buf_off;
1417         uint32_t * tmp_ptr;
1418         struct class_device *cdev = container_of(kobj, struct class_device,
1419                                                  kobj);
1420         struct Scsi_Host  *shost = class_to_shost(cdev);
1421         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1422         struct lpfc_hba   *phba = vport->phba;
1423
1424         if (off > FF_REG_AREA_SIZE)
1425                 return -ERANGE;
1426
1427         if ((off + count) > FF_REG_AREA_SIZE)
1428                 count = FF_REG_AREA_SIZE - off;
1429
1430         if (count == 0) return 0;
1431
1432         if (off % 4 || count % 4 || (unsigned long)buf % 4)
1433                 return -EINVAL;
1434
1435         spin_lock_irq(&phba->hbalock);
1436
1437         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
1438                 tmp_ptr = (uint32_t *)(buf + buf_off);
1439                 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
1440         }
1441
1442         spin_unlock_irq(&phba->hbalock);
1443
1444         return count;
1445 }
1446
1447 static struct bin_attribute sysfs_ctlreg_attr = {
1448         .attr = {
1449                 .name = "ctlreg",
1450                 .mode = S_IRUSR | S_IWUSR,
1451                 .owner = THIS_MODULE,
1452         },
1453         .size = 256,
1454         .read = sysfs_ctlreg_read,
1455         .write = sysfs_ctlreg_write,
1456 };
1457
1458
1459 static void
1460 sysfs_mbox_idle(struct lpfc_hba *phba)
1461 {
1462         phba->sysfs_mbox.state = SMBOX_IDLE;
1463         phba->sysfs_mbox.offset = 0;
1464
1465         if (phba->sysfs_mbox.mbox) {
1466                 mempool_free(phba->sysfs_mbox.mbox,
1467                              phba->mbox_mem_pool);
1468                 phba->sysfs_mbox.mbox = NULL;
1469         }
1470 }
1471
1472 static ssize_t
1473 sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
1474 {
1475         struct class_device *cdev = container_of(kobj, struct class_device,
1476                                                  kobj);
1477         struct Scsi_Host  *shost = class_to_shost(cdev);
1478         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1479         struct lpfc_hba   *phba = vport->phba;
1480         struct lpfcMboxq  *mbox = NULL;
1481
1482         if ((count + off) > MAILBOX_CMD_SIZE)
1483                 return -ERANGE;
1484
1485         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
1486                 return -EINVAL;
1487
1488         if (count == 0)
1489                 return 0;
1490
1491         if (off == 0) {
1492                 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1493                 if (!mbox)
1494                         return -ENOMEM;
1495                 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
1496         }
1497
1498         spin_lock_irq(&phba->hbalock);
1499
1500         if (off == 0) {
1501                 if (phba->sysfs_mbox.mbox)
1502                         mempool_free(mbox, phba->mbox_mem_pool);
1503                 else
1504                         phba->sysfs_mbox.mbox = mbox;
1505                 phba->sysfs_mbox.state = SMBOX_WRITING;
1506         } else {
1507                 if (phba->sysfs_mbox.state  != SMBOX_WRITING ||
1508                     phba->sysfs_mbox.offset != off           ||
1509                     phba->sysfs_mbox.mbox   == NULL) {
1510                         sysfs_mbox_idle(phba);
1511                         spin_unlock_irq(&phba->hbalock);
1512                         return -EAGAIN;
1513                 }
1514         }
1515
1516         memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
1517                buf, count);
1518
1519         phba->sysfs_mbox.offset = off + count;
1520
1521         spin_unlock_irq(&phba->hbalock);
1522
1523         return count;
1524 }
1525
1526 static ssize_t
1527 sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
1528 {
1529         struct class_device *cdev = container_of(kobj, struct class_device,
1530                                                  kobj);
1531         struct Scsi_Host  *shost = class_to_shost(cdev);
1532         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1533         struct lpfc_hba   *phba = vport->phba;
1534         int rc;
1535
1536         if (off > MAILBOX_CMD_SIZE)
1537                 return -ERANGE;
1538
1539         if ((count + off) > MAILBOX_CMD_SIZE)
1540                 count = MAILBOX_CMD_SIZE - off;
1541
1542         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
1543                 return -EINVAL;
1544
1545         if (off && count == 0)
1546                 return 0;
1547
1548         spin_lock_irq(&phba->hbalock);
1549
1550         if (off == 0 &&
1551             phba->sysfs_mbox.state  == SMBOX_WRITING &&
1552             phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
1553
1554                 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
1555                         /* Offline only */
1556                 case MBX_WRITE_NV:
1557                 case MBX_INIT_LINK:
1558                 case MBX_DOWN_LINK:
1559                 case MBX_CONFIG_LINK:
1560                 case MBX_CONFIG_RING:
1561                 case MBX_RESET_RING:
1562                 case MBX_UNREG_LOGIN:
1563                 case MBX_CLEAR_LA:
1564                 case MBX_DUMP_CONTEXT:
1565                 case MBX_RUN_DIAGS:
1566                 case MBX_RESTART:
1567                 case MBX_FLASH_WR_ULA:
1568                 case MBX_SET_MASK:
1569                 case MBX_SET_SLIM:
1570                 case MBX_SET_DEBUG:
1571                         if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
1572                                 printk(KERN_WARNING "mbox_read:Command 0x%x "
1573                                        "is illegal in on-line state\n",
1574                                        phba->sysfs_mbox.mbox->mb.mbxCommand);
1575                                 sysfs_mbox_idle(phba);
1576                                 spin_unlock_irq(&phba->hbalock);
1577                                 return -EPERM;
1578                         }
1579                 case MBX_LOAD_SM:
1580                 case MBX_READ_NV:
1581                 case MBX_READ_CONFIG:
1582                 case MBX_READ_RCONFIG:
1583                 case MBX_READ_STATUS:
1584                 case MBX_READ_XRI:
1585                 case MBX_READ_REV:
1586                 case MBX_READ_LNK_STAT:
1587                 case MBX_DUMP_MEMORY:
1588                 case MBX_DOWN_LOAD:
1589                 case MBX_UPDATE_CFG:
1590                 case MBX_KILL_BOARD:
1591                 case MBX_LOAD_AREA:
1592                 case MBX_LOAD_EXP_ROM:
1593                 case MBX_BEACON:
1594                 case MBX_DEL_LD_ENTRY:
1595                         break;
1596                 case MBX_READ_SPARM64:
1597                 case MBX_READ_LA:
1598                 case MBX_READ_LA64:
1599                 case MBX_REG_LOGIN:
1600                 case MBX_REG_LOGIN64:
1601                 case MBX_CONFIG_PORT:
1602                 case MBX_RUN_BIU_DIAG:
1603                         printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
1604                                phba->sysfs_mbox.mbox->mb.mbxCommand);
1605                         sysfs_mbox_idle(phba);
1606                         spin_unlock_irq(&phba->hbalock);
1607                         return -EPERM;
1608                 default:
1609                         printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
1610                                phba->sysfs_mbox.mbox->mb.mbxCommand);
1611                         sysfs_mbox_idle(phba);
1612                         spin_unlock_irq(&phba->hbalock);
1613                         return -EPERM;
1614                 }
1615
1616                 phba->sysfs_mbox.mbox->vport = vport;
1617
1618                 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
1619                         sysfs_mbox_idle(phba);
1620                         spin_unlock_irq(&phba->hbalock);
1621                         return  -EAGAIN;
1622                 }
1623
1624                 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1625                     (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
1626
1627                         spin_unlock_irq(&phba->hbalock);
1628                         rc = lpfc_sli_issue_mbox (phba,
1629                                                   phba->sysfs_mbox.mbox,
1630                                                   MBX_POLL);
1631                         spin_lock_irq(&phba->hbalock);
1632
1633                 } else {
1634                         spin_unlock_irq(&phba->hbalock);
1635                         rc = lpfc_sli_issue_mbox_wait (phba,
1636                                                        phba->sysfs_mbox.mbox,
1637                                 lpfc_mbox_tmo_val(phba,
1638                                     phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
1639                         spin_lock_irq(&phba->hbalock);
1640                 }
1641
1642                 if (rc != MBX_SUCCESS) {
1643                         if (rc == MBX_TIMEOUT) {
1644                                 phba->sysfs_mbox.mbox->mbox_cmpl =
1645                                         lpfc_sli_def_mbox_cmpl;
1646                                 phba->sysfs_mbox.mbox = NULL;
1647                         }
1648                         sysfs_mbox_idle(phba);
1649                         spin_unlock_irq(&phba->hbalock);
1650                         return  (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
1651                 }
1652                 phba->sysfs_mbox.state = SMBOX_READING;
1653         }
1654         else if (phba->sysfs_mbox.offset != off ||
1655                  phba->sysfs_mbox.state  != SMBOX_READING) {
1656                 printk(KERN_WARNING  "mbox_read: Bad State\n");
1657                 sysfs_mbox_idle(phba);
1658                 spin_unlock_irq(&phba->hbalock);
1659                 return -EAGAIN;
1660         }
1661
1662         memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
1663
1664         phba->sysfs_mbox.offset = off + count;
1665
1666         if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE)
1667                 sysfs_mbox_idle(phba);
1668
1669         spin_unlock_irq(&phba->hbalock);
1670
1671         return count;
1672 }
1673
1674 static struct bin_attribute sysfs_mbox_attr = {
1675         .attr = {
1676                 .name = "mbox",
1677                 .mode = S_IRUSR | S_IWUSR,
1678                 .owner = THIS_MODULE,
1679         },
1680         .size = MAILBOX_CMD_SIZE,
1681         .read = sysfs_mbox_read,
1682         .write = sysfs_mbox_write,
1683 };
1684
1685 int
1686 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
1687 {
1688         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1689         int error;
1690
1691         error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
1692                                       &sysfs_ctlreg_attr);
1693         if (error)
1694                 goto out;
1695
1696         error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
1697                                       &sysfs_mbox_attr);
1698         if (error)
1699                 goto out_remove_ctlreg_attr;
1700
1701         return 0;
1702 out_remove_ctlreg_attr:
1703         sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
1704 out:
1705         return error;
1706 }
1707
1708 void
1709 lpfc_free_sysfs_attr(struct lpfc_vport *vport)
1710 {
1711         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1712
1713         sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_mbox_attr);
1714         sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
1715 }
1716
1717
1718 /*
1719  * Dynamic FC Host Attributes Support
1720  */
1721
1722 static void
1723 lpfc_get_host_port_id(struct Scsi_Host *shost)
1724 {
1725         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1726
1727         /* note: fc_myDID already in cpu endianness */
1728         fc_host_port_id(shost) = vport->fc_myDID;
1729 }
1730
1731 static void
1732 lpfc_get_host_port_type(struct Scsi_Host *shost)
1733 {
1734         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1735         struct lpfc_hba   *phba = vport->phba;
1736
1737         spin_lock_irq(shost->host_lock);
1738
1739         if (vport->port_type == LPFC_NPIV_PORT) {
1740                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1741         } else if (lpfc_is_link_up(phba)) {
1742                 if (phba->fc_topology == TOPOLOGY_LOOP) {
1743                         if (vport->fc_flag & FC_PUBLIC_LOOP)
1744                                 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
1745                         else
1746                                 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
1747                 } else {
1748                         if (vport->fc_flag & FC_FABRIC)
1749                                 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
1750                         else
1751                                 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
1752                 }
1753         } else
1754                 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
1755
1756         spin_unlock_irq(shost->host_lock);
1757 }
1758
1759 static void
1760 lpfc_get_host_port_state(struct Scsi_Host *shost)
1761 {
1762         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1763         struct lpfc_hba   *phba = vport->phba;
1764
1765         spin_lock_irq(shost->host_lock);
1766
1767         if (vport->fc_flag & FC_OFFLINE_MODE)
1768                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1769         else {
1770                 switch (phba->link_state) {
1771                 case LPFC_LINK_UNKNOWN:
1772                 case LPFC_LINK_DOWN:
1773                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1774                         break;
1775                 case LPFC_LINK_UP:
1776                 case LPFC_CLEAR_LA:
1777                 case LPFC_HBA_READY:
1778                         /* Links up, beyond this port_type reports state */
1779                         fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1780                         break;
1781                 case LPFC_HBA_ERROR:
1782                         fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
1783                         break;
1784                 default:
1785                         fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1786                         break;
1787                 }
1788         }
1789
1790         spin_unlock_irq(shost->host_lock);
1791 }
1792
1793 static void
1794 lpfc_get_host_speed(struct Scsi_Host *shost)
1795 {
1796         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1797         struct lpfc_hba   *phba = vport->phba;
1798
1799         spin_lock_irq(shost->host_lock);
1800
1801         if (lpfc_is_link_up(phba)) {
1802                 switch(phba->fc_linkspeed) {
1803                         case LA_1GHZ_LINK:
1804                                 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
1805                         break;
1806                         case LA_2GHZ_LINK:
1807                                 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
1808                         break;
1809                         case LA_4GHZ_LINK:
1810                                 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
1811                         break;
1812                         case LA_8GHZ_LINK:
1813                                 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
1814                         break;
1815                         default:
1816                                 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
1817                         break;
1818                 }
1819         }
1820
1821         spin_unlock_irq(shost->host_lock);
1822 }
1823
1824 static void
1825 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
1826 {
1827         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1828         struct lpfc_hba   *phba = vport->phba;
1829         u64 node_name;
1830
1831         spin_lock_irq(shost->host_lock);
1832
1833         if ((vport->fc_flag & FC_FABRIC) ||
1834             ((phba->fc_topology == TOPOLOGY_LOOP) &&
1835              (vport->fc_flag & FC_PUBLIC_LOOP)))
1836                 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
1837         else
1838                 /* fabric is local port if there is no F/FL_Port */
1839                 node_name = wwn_to_u64(vport->fc_nodename.u.wwn);
1840
1841         spin_unlock_irq(shost->host_lock);
1842
1843         fc_host_fabric_name(shost) = node_name;
1844 }
1845
1846 static struct fc_host_statistics *
1847 lpfc_get_stats(struct Scsi_Host *shost)
1848 {
1849         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1850         struct lpfc_hba   *phba = vport->phba;
1851         struct lpfc_sli   *psli = &phba->sli;
1852         struct fc_host_statistics *hs = &phba->link_stats;
1853         struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
1854         LPFC_MBOXQ_t *pmboxq;
1855         MAILBOX_t *pmb;
1856         unsigned long seconds;
1857         int rc = 0;
1858
1859         /*
1860          * prevent udev from issuing mailbox commands until the port is
1861          * configured.
1862          */
1863         if (phba->link_state < LPFC_LINK_DOWN ||
1864             !phba->mbox_mem_pool ||
1865             (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
1866                 return NULL;
1867
1868         if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
1869                 return NULL;
1870
1871         pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1872         if (!pmboxq)
1873                 return NULL;
1874         memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1875
1876         pmb = &pmboxq->mb;
1877         pmb->mbxCommand = MBX_READ_STATUS;
1878         pmb->mbxOwner = OWN_HOST;
1879         pmboxq->context1 = NULL;
1880         pmboxq->vport = vport;
1881
1882         if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1883                 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1884                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1885         else
1886                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1887
1888         if (rc != MBX_SUCCESS) {
1889                 if (rc == MBX_TIMEOUT)
1890                         pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1891                 else
1892                         mempool_free(pmboxq, phba->mbox_mem_pool);
1893                 return NULL;
1894         }
1895
1896         memset(hs, 0, sizeof (struct fc_host_statistics));
1897
1898         hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1899         hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1900         hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1901         hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1902
1903         memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1904         pmb->mbxCommand = MBX_READ_LNK_STAT;
1905         pmb->mbxOwner = OWN_HOST;
1906         pmboxq->context1 = NULL;
1907         pmboxq->vport = vport;
1908
1909         if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1910             (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1911                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1912         else
1913                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1914
1915         if (rc != MBX_SUCCESS) {
1916                 if (rc == MBX_TIMEOUT)
1917                         pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1918                 else
1919                         mempool_free(pmboxq, phba->mbox_mem_pool);
1920                 return NULL;
1921         }
1922
1923         hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1924         hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1925         hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1926         hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1927         hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1928         hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1929         hs->error_frames = pmb->un.varRdLnk.crcCnt;
1930
1931         hs->link_failure_count -= lso->link_failure_count;
1932         hs->loss_of_sync_count -= lso->loss_of_sync_count;
1933         hs->loss_of_signal_count -= lso->loss_of_signal_count;
1934         hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
1935         hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
1936         hs->invalid_crc_count -= lso->invalid_crc_count;
1937         hs->error_frames -= lso->error_frames;
1938
1939         if (phba->fc_topology == TOPOLOGY_LOOP) {
1940                 hs->lip_count = (phba->fc_eventTag >> 1);
1941                 hs->lip_count -= lso->link_events;
1942                 hs->nos_count = -1;
1943         } else {
1944                 hs->lip_count = -1;
1945                 hs->nos_count = (phba->fc_eventTag >> 1);
1946                 hs->nos_count -= lso->link_events;
1947         }
1948
1949         hs->dumped_frames = -1;
1950
1951         seconds = get_seconds();
1952         if (seconds < psli->stats_start)
1953                 hs->seconds_since_last_reset = seconds +
1954                                 ((unsigned long)-1 - psli->stats_start);
1955         else
1956                 hs->seconds_since_last_reset = seconds - psli->stats_start;
1957
1958         mempool_free(pmboxq, phba->mbox_mem_pool);
1959
1960         return hs;
1961 }
1962
1963 static void
1964 lpfc_reset_stats(struct Scsi_Host *shost)
1965 {
1966         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1967         struct lpfc_hba   *phba = vport->phba;
1968         struct lpfc_sli   *psli = &phba->sli;
1969         struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets;
1970         LPFC_MBOXQ_t *pmboxq;
1971         MAILBOX_t *pmb;
1972         int rc = 0;
1973
1974         if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
1975                 return;
1976
1977         pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1978         if (!pmboxq)
1979                 return;
1980         memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
1981
1982         pmb = &pmboxq->mb;
1983         pmb->mbxCommand = MBX_READ_STATUS;
1984         pmb->mbxOwner = OWN_HOST;
1985         pmb->un.varWords[0] = 0x1; /* reset request */
1986         pmboxq->context1 = NULL;
1987         pmboxq->vport = vport;
1988
1989         if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1990                 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1991                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1992         else
1993                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1994
1995         if (rc != MBX_SUCCESS) {
1996                 if (rc == MBX_TIMEOUT)
1997                         pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1998                 else
1999                         mempool_free(pmboxq, phba->mbox_mem_pool);
2000                 return;
2001         }
2002
2003         memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
2004         pmb->mbxCommand = MBX_READ_LNK_STAT;
2005         pmb->mbxOwner = OWN_HOST;
2006         pmboxq->context1 = NULL;
2007         pmboxq->vport = vport;
2008
2009         if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2010             (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2011                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2012         else
2013                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2014
2015         if (rc != MBX_SUCCESS) {
2016                 if (rc == MBX_TIMEOUT)
2017                         pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
2018                 else
2019                         mempool_free( pmboxq, phba->mbox_mem_pool);
2020                 return;
2021         }
2022
2023         lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
2024         lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
2025         lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
2026         lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
2027         lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
2028         lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
2029         lso->error_frames = pmb->un.varRdLnk.crcCnt;
2030         lso->link_events = (phba->fc_eventTag >> 1);
2031
2032         psli->stats_start = get_seconds();
2033
2034         mempool_free(pmboxq, phba->mbox_mem_pool);
2035
2036         return;
2037 }
2038
2039 /*
2040  * The LPFC driver treats linkdown handling as target loss events so there
2041  * are no sysfs handlers for link_down_tmo.
2042  */
2043
2044 static struct lpfc_nodelist *
2045 lpfc_get_node_by_target(struct scsi_target *starget)
2046 {
2047         struct Scsi_Host  *shost = dev_to_shost(starget->dev.parent);
2048         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2049         struct lpfc_nodelist *ndlp;
2050
2051         spin_lock_irq(shost->host_lock);
2052         /* Search for this, mapped, target ID */
2053         list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
2054                 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
2055                     starget->id == ndlp->nlp_sid) {
2056                         spin_unlock_irq(shost->host_lock);
2057                         return ndlp;
2058                 }
2059         }
2060         spin_unlock_irq(shost->host_lock);
2061         return NULL;
2062 }
2063
2064 static void
2065 lpfc_get_starget_port_id(struct scsi_target *starget)
2066 {
2067         struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2068
2069         fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
2070 }
2071
2072 static void
2073 lpfc_get_starget_node_name(struct scsi_target *starget)
2074 {
2075         struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2076
2077         fc_starget_node_name(starget) =
2078                 ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
2079 }
2080
2081 static void
2082 lpfc_get_starget_port_name(struct scsi_target *starget)
2083 {
2084         struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2085
2086         fc_starget_port_name(starget) =
2087                 ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
2088 }
2089
2090 static void
2091 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
2092 {
2093         if (timeout)
2094                 rport->dev_loss_tmo = timeout;
2095         else
2096                 rport->dev_loss_tmo = 1;
2097 }
2098
2099
2100 #define lpfc_rport_show_function(field, format_string, sz, cast)        \
2101 static ssize_t                                                          \
2102 lpfc_show_rport_##field (struct class_device *cdev, char *buf)          \
2103 {                                                                       \
2104         struct fc_rport *rport = transport_class_to_rport(cdev);        \
2105         struct lpfc_rport_data *rdata = rport->hostdata;                \
2106         return snprintf(buf, sz, format_string,                         \
2107                 (rdata->target) ? cast rdata->target->field : 0);       \
2108 }
2109
2110 #define lpfc_rport_rd_attr(field, format_string, sz)                    \
2111         lpfc_rport_show_function(field, format_string, sz, )            \
2112 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
2113
2114
2115 struct fc_function_template lpfc_transport_functions = {
2116         /* fixed attributes the driver supports */
2117         .show_host_node_name = 1,
2118         .show_host_port_name = 1,
2119         .show_host_supported_classes = 1,
2120         .show_host_supported_fc4s = 1,
2121         .show_host_supported_speeds = 1,
2122         .show_host_maxframe_size = 1,
2123
2124         /* dynamic attributes the driver supports */
2125         .get_host_port_id = lpfc_get_host_port_id,
2126         .show_host_port_id = 1,
2127
2128         .get_host_port_type = lpfc_get_host_port_type,
2129         .show_host_port_type = 1,
2130
2131         .get_host_port_state = lpfc_get_host_port_state,
2132         .show_host_port_state = 1,
2133
2134         /* active_fc4s is shown but doesn't change (thus no get function) */
2135         .show_host_active_fc4s = 1,
2136
2137         .get_host_speed = lpfc_get_host_speed,
2138         .show_host_speed = 1,
2139
2140         .get_host_fabric_name = lpfc_get_host_fabric_name,
2141         .show_host_fabric_name = 1,
2142
2143         /*
2144          * The LPFC driver treats linkdown handling as target loss events
2145          * so there are no sysfs handlers for link_down_tmo.
2146          */
2147
2148         .get_fc_host_stats = lpfc_get_stats,
2149         .reset_fc_host_stats = lpfc_reset_stats,
2150
2151         .dd_fcrport_size = sizeof(struct lpfc_rport_data),
2152         .show_rport_maxframe_size = 1,
2153         .show_rport_supported_classes = 1,
2154
2155         .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
2156         .show_rport_dev_loss_tmo = 1,
2157
2158         .get_starget_port_id  = lpfc_get_starget_port_id,
2159         .show_starget_port_id = 1,
2160
2161         .get_starget_node_name = lpfc_get_starget_node_name,
2162         .show_starget_node_name = 1,
2163
2164         .get_starget_port_name = lpfc_get_starget_port_name,
2165         .show_starget_port_name = 1,
2166
2167         .issue_fc_host_lip = lpfc_issue_lip,
2168         .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
2169         .terminate_rport_io = lpfc_terminate_rport_io,
2170
2171         .vport_create = lpfc_vport_create,
2172         .vport_delete = lpfc_vport_delete,
2173         .dd_fcvport_size = sizeof(struct lpfc_vport *),
2174 };
2175
2176 struct fc_function_template lpfc_vport_transport_functions = {
2177         /* fixed attributes the driver supports */
2178         .show_host_node_name = 1,
2179         .show_host_port_name = 1,
2180         .show_host_supported_classes = 1,
2181         .show_host_supported_fc4s = 1,
2182         .show_host_supported_speeds = 1,
2183         .show_host_maxframe_size = 1,
2184
2185         /* dynamic attributes the driver supports */
2186         .get_host_port_id = lpfc_get_host_port_id,
2187         .show_host_port_id = 1,
2188
2189         .get_host_port_type = lpfc_get_host_port_type,
2190         .show_host_port_type = 1,
2191
2192         .get_host_port_state = lpfc_get_host_port_state,
2193         .show_host_port_state = 1,
2194
2195         /* active_fc4s is shown but doesn't change (thus no get function) */
2196         .show_host_active_fc4s = 1,
2197
2198         .get_host_speed = lpfc_get_host_speed,
2199         .show_host_speed = 1,
2200
2201         .get_host_fabric_name = lpfc_get_host_fabric_name,
2202         .show_host_fabric_name = 1,
2203
2204         /*
2205          * The LPFC driver treats linkdown handling as target loss events
2206          * so there are no sysfs handlers for link_down_tmo.
2207          */
2208
2209         .get_fc_host_stats = lpfc_get_stats,
2210         .reset_fc_host_stats = lpfc_reset_stats,
2211
2212         .dd_fcrport_size = sizeof(struct lpfc_rport_data),
2213         .show_rport_maxframe_size = 1,
2214         .show_rport_supported_classes = 1,
2215
2216         .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
2217         .show_rport_dev_loss_tmo = 1,
2218
2219         .get_starget_port_id  = lpfc_get_starget_port_id,
2220         .show_starget_port_id = 1,
2221
2222         .get_starget_node_name = lpfc_get_starget_node_name,
2223         .show_starget_node_name = 1,
2224
2225         .get_starget_port_name = lpfc_get_starget_port_name,
2226         .show_starget_port_name = 1,
2227
2228         .issue_fc_host_lip = lpfc_issue_lip,
2229         .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
2230         .terminate_rport_io = lpfc_terminate_rport_io,
2231
2232         .vport_disable = lpfc_vport_disable,
2233 };
2234
2235 void
2236 lpfc_get_cfgparam(struct lpfc_hba *phba)
2237 {
2238         lpfc_log_verbose_init(phba, lpfc_log_verbose);
2239         lpfc_cr_delay_init(phba, lpfc_cr_delay);
2240         lpfc_cr_count_init(phba, lpfc_cr_count);
2241         lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
2242         lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
2243         lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
2244         lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
2245         lpfc_fcp_class_init(phba, lpfc_fcp_class);
2246         lpfc_use_adisc_init(phba, lpfc_use_adisc);
2247         lpfc_ack0_init(phba, lpfc_ack0);
2248         lpfc_topology_init(phba, lpfc_topology);
2249         lpfc_scan_down_init(phba, lpfc_scan_down);
2250         lpfc_link_speed_init(phba, lpfc_link_speed);
2251         lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
2252         lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
2253         lpfc_max_luns_init(phba, lpfc_max_luns);
2254         lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
2255         lpfc_peer_port_login_init(phba, lpfc_peer_port_login);
2256         lpfc_vport_restrict_login_init(phba, lpfc_vport_restrict_login);
2257         lpfc_use_msi_init(phba, lpfc_use_msi);
2258         lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
2259         lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
2260         phba->cfg_poll = lpfc_poll;
2261         phba->cfg_soft_wwnn = 0L;
2262         phba->cfg_soft_wwpn = 0L;
2263
2264         /*
2265          * The total number of segments is the configuration value plus 2
2266          * since the IOCB need a command and response bde.
2267          */
2268         phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
2269
2270         /*
2271          * Since the sg_tablesize is module parameter, the sg_dma_buf_size
2272          * used to create the sg_dma_buf_pool must be dynamically calculated
2273          */
2274         phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
2275                         sizeof(struct fcp_rsp) +
2276                         (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
2277
2278
2279         lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
2280
2281         return;
2282 }