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) 2004-2006 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/pci.h>
  24 #include <linux/interrupt.h>
  25
  26 #include <scsi/scsi.h>
  27 #include <scsi/scsi_device.h>
  28 #include <scsi/scsi_host.h>
  29 #include <scsi/scsi_tcq.h>
  30 #include <scsi/scsi_transport_fc.h>
  31
  32 #include "lpfc_hw.h"
  33 #include "lpfc_sli.h"
  34 #include "lpfc_disc.h"
  35 #include "lpfc_scsi.h"
  36 #include "lpfc.h"
  37 #include "lpfc_logmsg.h"
  38 #include "lpfc_version.h"
  39 #include "lpfc_compat.h"
  40 #include "lpfc_crtn.h"
  41
  42 #define LPFC_DEF_DEVLOSS_TMO 30
  43 #define LPFC_MIN_DEVLOSS_TMO 1
  44 #define LPFC_MAX_DEVLOSS_TMO 255
  45
  46 static void
  47 lpfc_jedec_to_ascii(int incr, char hdw[])
  48 {
  49         int i, j;
  50         for (i = 0; i < 8; i++) {
  51                 j = (incr & 0xf);
  52                 if (j <= 9)
  53                         hdw[7 - i] = 0x30 +  j;
  54                  else
  55                         hdw[7 - i] = 0x61 + j - 10;
  56                 incr = (incr >> 4);
  57         }
  58         hdw[8] = 0;
  59         return;
  60 }
  61
  62 static ssize_t
  63 lpfc_drvr_version_show(struct class_device *cdev, char *buf)
  64 {
  65         return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
  66 }
  67
  68 static ssize_t
  69 management_version_show(struct class_device *cdev, char *buf)
  70 {
  71         return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n");
  72 }
  73
  74 static ssize_t
  75 lpfc_info_show(struct class_device *cdev, char *buf)
  76 {
  77         struct Scsi_Host *host = class_to_shost(cdev);
  78         return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
  79 }
  80
  81 static ssize_t
  82 lpfc_serialnum_show(struct class_device *cdev, char *buf)
  83 {
  84         struct Scsi_Host *host = class_to_shost(cdev);
  85         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
  86         return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
  87 }
  88
  89 static ssize_t
  90 lpfc_modeldesc_show(struct class_device *cdev, char *buf)
  91 {
  92         struct Scsi_Host *host = class_to_shost(cdev);
  93         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
  94         return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
  95 }
  96
  97 static ssize_t
  98 lpfc_modelname_show(struct class_device *cdev, char *buf)
  99 {
 100         struct Scsi_Host *host = class_to_shost(cdev);
 101         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 102         return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
 103 }
 104
 105 static ssize_t
 106 lpfc_programtype_show(struct class_device *cdev, char *buf)
 107 {
 108         struct Scsi_Host *host = class_to_shost(cdev);
 109         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 110         return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
 111 }
 112
 113 static ssize_t
 114 lpfc_portnum_show(struct class_device *cdev, char *buf)
 115 {
 116         struct Scsi_Host *host = class_to_shost(cdev);
 117         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 118         return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
 119 }
 120
 121 static ssize_t
 122 lpfc_fwrev_show(struct class_device *cdev, char *buf)
 123 {
 124         struct Scsi_Host *host = class_to_shost(cdev);
 125         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 126         char fwrev[32];
 127         lpfc_decode_firmware_rev(phba, fwrev, 1);
 128         return snprintf(buf, PAGE_SIZE, "%s\n",fwrev);
 129 }
 130
 131 static ssize_t
 132 lpfc_hdw_show(struct class_device *cdev, char *buf)
 133 {
 134         char hdw[9];
 135         struct Scsi_Host *host = class_to_shost(cdev);
 136         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 137         lpfc_vpd_t *vp = &phba->vpd;
 138         lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
 139         return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
 140 }
 141 static ssize_t
 142 lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
 143 {
 144         struct Scsi_Host *host = class_to_shost(cdev);
 145         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 146         return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
 147 }
 148 static ssize_t
 149 lpfc_state_show(struct class_device *cdev, char *buf)
 150 {
 151         struct Scsi_Host *host = class_to_shost(cdev);
 152         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 153         int len = 0;
 154         switch (phba->hba_state) {
 155         case LPFC_STATE_UNKNOWN:
 156         case LPFC_WARM_START:
 157         case LPFC_INIT_START:
 158         case LPFC_INIT_MBX_CMDS:
 159         case LPFC_LINK_DOWN:
 160                 len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
 161                 break;
 162         case LPFC_LINK_UP:
 163         case LPFC_LOCAL_CFG_LINK:
 164                 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n");
 165                 break;
 166         case LPFC_FLOGI:
 167         case LPFC_FABRIC_CFG_LINK:
 168         case LPFC_NS_REG:
 169         case LPFC_NS_QRY:
 170         case LPFC_BUILD_DISC_LIST:
 171         case LPFC_DISC_AUTH:
 172         case LPFC_CLEAR_LA:
 173                 len += snprintf(buf + len, PAGE_SIZE-len,
 174                                 "Link Up - Discovery\n");
 175                 break;
 176         case LPFC_HBA_READY:
 177                 len += snprintf(buf + len, PAGE_SIZE-len,
 178                                 "Link Up - Ready:\n");
 179                 if (phba->fc_topology == TOPOLOGY_LOOP) {
 180                         if (phba->fc_flag & FC_PUBLIC_LOOP)
 181                                 len += snprintf(buf + len, PAGE_SIZE-len,
 182                                                 "   Public Loop\n");
 183                         else
 184                                 len += snprintf(buf + len, PAGE_SIZE-len,
 185                                                 "   Private Loop\n");
 186                 } else {
 187                         if (phba->fc_flag & FC_FABRIC)
 188                                 len += snprintf(buf + len, PAGE_SIZE-len,
 189                                                 "   Fabric\n");
 190                         else
 191                                 len += snprintf(buf + len, PAGE_SIZE-len,
 192                                                 "   Point-2-Point\n");
 193                 }
 194         }
 195         return len;
 196 }
 197
 198 static ssize_t
 199 lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
 200 {
 201         struct Scsi_Host *host = class_to_shost(cdev);
 202         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 203         return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt +
 204                                                         phba->fc_unmap_cnt);
 205 }
 206
 207
 208 static int
 209 lpfc_issue_lip(struct Scsi_Host *host)
 210 {
 211         struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata;
 212         LPFC_MBOXQ_t *pmboxq;
 213         int mbxstatus = MBXERR_ERROR;
 214
 215         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
 216             (phba->hba_state != LPFC_HBA_READY))
 217                 return -EPERM;
 218
 219         pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
 220
 221         if (!pmboxq)
 222                 return -ENOMEM;
 223
 224         memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
 225         pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
 226         pmboxq->mb.mbxOwner = OWN_HOST;
 227
 228         mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
 229
 230         if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
 231                 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
 232                 lpfc_init_link(phba, pmboxq, phba->cfg_topology,
 233                                phba->cfg_link_speed);
 234                 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
 235                                                      phba->fc_ratov * 2);
 236         }
 237
 238         if (mbxstatus == MBX_TIMEOUT)
 239                 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 240         else
 241                 mempool_free(pmboxq, phba->mbox_mem_pool);
 242
 243         if (mbxstatus == MBXERR_ERROR)
 244                 return -EIO;
 245
 246         return 0;
 247 }
 248
 249 static int
 250 lpfc_selective_reset(struct lpfc_hba *phba)
 251 {
 252         struct completion online_compl;
 253         int status = 0;
 254
 255         init_completion(&online_compl);
 256         lpfc_workq_post_event(phba, &status, &online_compl,
 257                               LPFC_EVT_OFFLINE);
 258         wait_for_completion(&online_compl);
 259
 260         if (status != 0)
 261                 return -EIO;
 262
 263         init_completion(&online_compl);
 264         lpfc_workq_post_event(phba, &status, &online_compl,
 265                               LPFC_EVT_ONLINE);
 266         wait_for_completion(&online_compl);
 267
 268         if (status != 0)
 269                 return -EIO;
 270
 271         return 0;
 272 }
 273
 274 static ssize_t
 275 lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count)
 276 {
 277         struct Scsi_Host *host = class_to_shost(cdev);
 278         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 279         int status = -EINVAL;
 280
 281         if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
 282                 status = lpfc_selective_reset(phba);
 283
 284         if (status == 0)
 285                 return strlen(buf);
 286         else
 287                 return status;
 288 }
 289
 290 static ssize_t
 291 lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
 292 {
 293         struct Scsi_Host *host = class_to_shost(cdev);
 294         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 295         return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
 296 }
 297
 298 static ssize_t
 299 lpfc_board_mode_show(struct class_device *cdev, char *buf)
 300 {
 301         struct Scsi_Host *host = class_to_shost(cdev);
 302         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 303         char  * state;
 304
 305         if (phba->hba_state == LPFC_HBA_ERROR)
 306                 state = "error";
 307         else if (phba->hba_state == LPFC_WARM_START)
 308                 state = "warm start";
 309         else if (phba->hba_state == LPFC_INIT_START)
 310                 state = "offline";
 311         else
 312                 state = "online";
 313
 314         return snprintf(buf, PAGE_SIZE, "%s\n", state);
 315 }
 316
 317 static ssize_t
 318 lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count)
 319 {
 320         struct Scsi_Host *host = class_to_shost(cdev);
 321         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 322         struct completion online_compl;
 323         int status=0;
 324
 325         init_completion(&online_compl);
 326
 327         if(strncmp(buf, "online", sizeof("online") - 1) == 0)
 328                 lpfc_workq_post_event(phba, &status, &online_compl,
 329                                       LPFC_EVT_ONLINE);
 330         else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
 331                 lpfc_workq_post_event(phba, &status, &online_compl,
 332                                       LPFC_EVT_OFFLINE);
 333         else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
 334                 lpfc_workq_post_event(phba, &status, &online_compl,
 335                                       LPFC_EVT_WARM_START);
 336         else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
 337                 lpfc_workq_post_event(phba, &status, &online_compl,
 338                                       LPFC_EVT_KILL);
 339         else
 340                 return -EINVAL;
 341
 342         wait_for_completion(&online_compl);
 343
 344         if (!status)
 345                 return strlen(buf);
 346         else
 347                 return -EIO;
 348 }
 349
 350 static ssize_t
 351 lpfc_poll_show(struct class_device *cdev, char *buf)
 352 {
 353         struct Scsi_Host *host = class_to_shost(cdev);
 354         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 355
 356         return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
 357 }
 358
 359 static ssize_t
 360 lpfc_poll_store(struct class_device *cdev, const char *buf,
 361                 size_t count)
 362 {
 363         struct Scsi_Host *host = class_to_shost(cdev);
 364         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 365         uint32_t creg_val;
 366         uint32_t old_val;
 367         int val=0;
 368
 369         if (!isdigit(buf[0]))
 370                 return -EINVAL;
 371
 372         if (sscanf(buf, "%i", &val) != 1)
 373                 return -EINVAL;
 374
 375         if ((val & 0x3) != val)
 376                 return -EINVAL;
 377
 378         spin_lock_irq(phba->host->host_lock);
 379
 380         old_val = phba->cfg_poll;
 381
 382         if (val & ENABLE_FCP_RING_POLLING) {
 383                 if ((val & DISABLE_FCP_RING_INT) &&
 384                     !(old_val & DISABLE_FCP_RING_INT)) {
 385                         creg_val = readl(phba->HCregaddr);
 386                         creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
 387                         writel(creg_val, phba->HCregaddr);
 388                         readl(phba->HCregaddr); /* flush */
 389
 390                         lpfc_poll_start_timer(phba);
 391                 }
 392         } else if (val != 0x0) {
 393                 spin_unlock_irq(phba->host->host_lock);
 394                 return -EINVAL;
 395         }
 396
 397         if (!(val & DISABLE_FCP_RING_INT) &&
 398             (old_val & DISABLE_FCP_RING_INT))
 399         {
 400                 spin_unlock_irq(phba->host->host_lock);
 401                 del_timer(&phba->fcp_poll_timer);
 402                 spin_lock_irq(phba->host->host_lock);
 403                 creg_val = readl(phba->HCregaddr);
 404                 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
 405                 writel(creg_val, phba->HCregaddr);
 406                 readl(phba->HCregaddr); /* flush */
 407         }
 408
 409         phba->cfg_poll = val;
 410
 411         spin_unlock_irq(phba->host->host_lock);
 412
 413         return strlen(buf);
 414 }
 415
 416 #define lpfc_param_show(attr)   \
 417 static ssize_t \
 418 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
 419 { \
 420         struct Scsi_Host *host = class_to_shost(cdev);\
 421         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
 422         int val = 0;\
 423         val = phba->cfg_##attr;\
 424         return snprintf(buf, PAGE_SIZE, "%d\n",\
 425                         phba->cfg_##attr);\
 426 }
 427
 428 #define lpfc_param_hex_show(attr)       \
 429 static ssize_t \
 430 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
 431 { \
 432         struct Scsi_Host *host = class_to_shost(cdev);\
 433         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
 434         int val = 0;\
 435         val = phba->cfg_##attr;\
 436         return snprintf(buf, PAGE_SIZE, "%#x\n",\
 437                         phba->cfg_##attr);\
 438 }
 439
 440 #define lpfc_param_init(attr, default, minval, maxval)  \
 441 static int \
 442 lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
 443 { \
 444         if (val >= minval && val <= maxval) {\
 445                 phba->cfg_##attr = val;\
 446                 return 0;\
 447         }\
 448         lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
 449                         "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\
 450                         "allowed range is ["#minval", "#maxval"]\n", \
 451                         phba->brd_no, val); \
 452         phba->cfg_##attr = default;\
 453         return -EINVAL;\
 454 }
 455
 456 #define lpfc_param_set(attr, default, minval, maxval)   \
 457 static int \
 458 lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
 459 { \
 460         if (val >= minval && val <= maxval) {\
 461                 phba->cfg_##attr = val;\
 462                 return 0;\
 463         }\
 464         lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
 465                         "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\
 466                         "allowed range is ["#minval", "#maxval"]\n", \
 467                         phba->brd_no, val); \
 468         return -EINVAL;\
 469 }
 470
 471 #define lpfc_param_store(attr)  \
 472 static ssize_t \
 473 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
 474 { \
 475         struct Scsi_Host *host = class_to_shost(cdev);\
 476         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
 477         int val=0;\
 478         if (!isdigit(buf[0]))\
 479                 return -EINVAL;\
 480         if (sscanf(buf, "%i", &val) != 1)\
 481                 return -EINVAL;\
 482         if (lpfc_##attr##_set(phba, val) == 0) \
 483                 return strlen(buf);\
 484         else \
 485                 return -EINVAL;\
 486 }
 487
 488 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
 489 static int lpfc_##name = defval;\
 490 module_param(lpfc_##name, int, 0);\
 491 MODULE_PARM_DESC(lpfc_##name, desc);\
 492 lpfc_param_init(name, defval, minval, maxval)
 493
 494 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
 495 static int lpfc_##name = defval;\
 496 module_param(lpfc_##name, int, 0);\
 497 MODULE_PARM_DESC(lpfc_##name, desc);\
 498 lpfc_param_show(name)\
 499 lpfc_param_init(name, defval, minval, maxval)\
 500 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
 501
 502 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
 503 static int lpfc_##name = defval;\
 504 module_param(lpfc_##name, int, 0);\
 505 MODULE_PARM_DESC(lpfc_##name, desc);\
 506 lpfc_param_show(name)\
 507 lpfc_param_init(name, defval, minval, maxval)\
 508 lpfc_param_set(name, defval, minval, maxval)\
 509 lpfc_param_store(name)\
 510 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
 511                          lpfc_##name##_show, lpfc_##name##_store)
 512
 513 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
 514 static int lpfc_##name = defval;\
 515 module_param(lpfc_##name, int, 0);\
 516 MODULE_PARM_DESC(lpfc_##name, desc);\
 517 lpfc_param_hex_show(name)\
 518 lpfc_param_init(name, defval, minval, maxval)\
 519 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
 520
 521 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
 522 static int lpfc_##name = defval;\
 523 module_param(lpfc_##name, int, 0);\
 524 MODULE_PARM_DESC(lpfc_##name, desc);\
 525 lpfc_param_hex_show(name)\
 526 lpfc_param_init(name, defval, minval, maxval)\
 527 lpfc_param_set(name, defval, minval, maxval)\
 528 lpfc_param_store(name)\
 529 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
 530                          lpfc_##name##_show, lpfc_##name##_store)
 531
 532 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
 533 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
 534 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
 535 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
 536 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
 537 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
 538 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
 539 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
 540 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
 541 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
 542                                         lpfc_option_rom_version_show, NULL);
 543 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
 544                                         lpfc_num_discovered_ports_show, NULL);
 545 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
 546 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
 547                          NULL);
 548 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
 549                          NULL);
 550 static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
 551                          lpfc_board_mode_show, lpfc_board_mode_store);
 552 static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
 553
 554 static int lpfc_poll = 0;
 555 module_param(lpfc_poll, int, 0);
 556 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
 557                  " 0 - none,"
 558                  " 1 - poll with interrupts enabled"
 559                  " 3 - poll and disable FCP ring interrupts");
 560
 561 static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
 562                          lpfc_poll_show, lpfc_poll_store);
 563
 564 /*
 565 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
 566 # until the timer expires. Value range is [0,255]. Default value is 30.
 567 */
 568 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
 569 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
 570 module_param(lpfc_nodev_tmo, int, 0);
 571 MODULE_PARM_DESC(lpfc_nodev_tmo,
 572                  "Seconds driver will hold I/O waiting "
 573                  "for a device to come back");
 574 static ssize_t
 575 lpfc_nodev_tmo_show(struct class_device *cdev, char *buf)
 576 {
 577         struct Scsi_Host *host = class_to_shost(cdev);
 578         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 579         int val = 0;
 580         val = phba->cfg_devloss_tmo;
 581         return snprintf(buf, PAGE_SIZE, "%d\n",
 582                         phba->cfg_devloss_tmo);
 583 }
 584
 585 static int
 586 lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val)
 587 {
 588         static int warned;
 589         if (phba->cfg_devloss_tmo !=  LPFC_DEF_DEVLOSS_TMO) {
 590                 phba->cfg_nodev_tmo = phba->cfg_devloss_tmo;
 591                 if (!warned && val != LPFC_DEF_DEVLOSS_TMO) {
 592                         warned = 1;
 593                         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 594                                         "%d:0402 Ignoring nodev_tmo module "
 595                                         "parameter because devloss_tmo is"
 596                                         " set.\n",
 597                                         phba->brd_no);
 598                 }
 599                 return 0;
 600         }
 601
 602         if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
 603                 phba->cfg_nodev_tmo = val;
 604                 phba->cfg_devloss_tmo = val;
 605                 return 0;
 606         }
 607         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 608                         "%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, "
 609                         "allowed range is [%d, %d]\n",
 610                         phba->brd_no, val,
 611                         LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
 612         phba->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
 613         return -EINVAL;
 614 }
 615
 616 static int
 617 lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val)
 618 {
 619         if (phba->dev_loss_tmo_changed ||
 620                 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
 621                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 622                                 "%d:0401 Ignoring change to nodev_tmo "
 623                                 "because devloss_tmo is set.\n",
 624                                 phba->brd_no);
 625                 return 0;
 626         }
 627
 628         if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
 629                 phba->cfg_nodev_tmo = val;
 630                 phba->cfg_devloss_tmo = val;
 631                 return 0;
 632         }
 633
 634         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 635                         "%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, "
 636                         "allowed range is [%d, %d]\n",
 637                         phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
 638                         LPFC_MAX_DEVLOSS_TMO);
 639         return -EINVAL;
 640 }
 641
 642 lpfc_param_store(nodev_tmo)
 643
 644 static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
 645                          lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
 646
 647 /*
 648 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
 649 # disappear until the timer expires. Value range is [0,255]. Default
 650 # value is 30.
 651 */
 652 module_param(lpfc_devloss_tmo, int, 0);
 653 MODULE_PARM_DESC(lpfc_devloss_tmo,
 654                  "Seconds driver will hold I/O waiting "
 655                  "for a device to come back");
 656 lpfc_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
 657                 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
 658 lpfc_param_show(devloss_tmo)
 659 static int
 660 lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val)
 661 {
 662         if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
 663                 phba->cfg_nodev_tmo = val;
 664                 phba->cfg_devloss_tmo = val;
 665                 phba->dev_loss_tmo_changed = 1;
 666                 return 0;
 667         }
 668
 669         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 670                         "%d:0404 lpfc_devloss_tmo attribute cannot be set to"
 671                         " %d, allowed range is [%d, %d]\n",
 672                         phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
 673                         LPFC_MAX_DEVLOSS_TMO);
 674         return -EINVAL;
 675 }
 676
 677 lpfc_param_store(devloss_tmo)
 678 static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
 679         lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
 680
 681 /*
 682 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
 683 # deluged with LOTS of information.
 684 # You can set a bit mask to record specific types of verbose messages:
 685 #
 686 # LOG_ELS                       0x1        ELS events
 687 # LOG_DISCOVERY                 0x2        Link discovery events
 688 # LOG_MBOX                      0x4        Mailbox events
 689 # LOG_INIT                      0x8        Initialization events
 690 # LOG_LINK_EVENT                0x10       Link events
 691 # LOG_IP                        0x20       IP traffic history
 692 # LOG_FCP                       0x40       FCP traffic history
 693 # LOG_NODE                      0x80       Node table events
 694 # LOG_MISC                      0x400      Miscellaneous events
 695 # LOG_SLI                       0x800      SLI events
 696 # LOG_CHK_COND                  0x1000     FCP Check condition flag
 697 # LOG_LIBDFC                    0x2000     LIBDFC events
 698 # LOG_ALL_MSG                   0xffff     LOG all messages
 699 */
 700 LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
 701
 702 /*
 703 # lun_queue_depth:  This parameter is used to limit the number of outstanding
 704 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
 705 */
 706 LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
 707             "Max number of FCP commands we can queue to a specific LUN");
 708
 709 /*
 710 # hba_queue_depth:  This parameter is used to limit the number of outstanding
 711 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
 712 # value is greater than the maximum number of exchanges supported by the HBA,
 713 # then maximum number of exchanges supported by the HBA is used to determine
 714 # the hba_queue_depth.
 715 */
 716 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
 717             "Max number of FCP commands we can queue to a lpfc HBA");
 718
 719 /*
 720 # Some disk devices have a "select ID" or "select Target" capability.
 721 # From a protocol standpoint "select ID" usually means select the
 722 # Fibre channel "ALPA".  In the FC-AL Profile there is an "informative
 723 # annex" which contains a table that maps a "select ID" (a number
 724 # between 0 and 7F) to an ALPA.  By default, for compatibility with
 725 # older drivers, the lpfc driver scans this table from low ALPA to high
 726 # ALPA.
 727 #
 728 # Turning on the scan-down variable (on  = 1, off = 0) will
 729 # cause the lpfc driver to use an inverted table, effectively
 730 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
 731 #
 732 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
 733 # and will not work across a fabric. Also this parameter will take
 734 # effect only in the case when ALPA map is not available.)
 735 */
 736 LPFC_ATTR_R(scan_down, 1, 0, 1,
 737              "Start scanning for devices from highest ALPA to lowest");
 738
 739 /*
 740 # lpfc_topology:  link topology for init link
 741 #            0x0  = attempt loop mode then point-to-point
 742 #            0x01 = internal loopback mode
 743 #            0x02 = attempt point-to-point mode only
 744 #            0x04 = attempt loop mode only
 745 #            0x06 = attempt point-to-point mode then loop
 746 # Set point-to-point mode if you want to run as an N_Port.
 747 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
 748 # Default value is 0.
 749 */
 750 LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology");
 751
 752 /*
 753 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
 754 # connection.
 755 #       0  = auto select (default)
 756 #       1  = 1 Gigabaud
 757 #       2  = 2 Gigabaud
 758 #       4  = 4 Gigabaud
 759 # Value range is [0,4]. Default value is 0.
 760 */
 761 LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
 762
 763 /*
 764 # lpfc_fcp_class:  Determines FC class to use for the FCP protocol.
 765 # Value range is [2,3]. Default value is 3.
 766 */
 767 LPFC_ATTR_R(fcp_class, 3, 2, 3,
 768              "Select Fibre Channel class of service for FCP sequences");
 769
 770 /*
 771 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
 772 # is [0,1]. Default value is 0.
 773 */
 774 LPFC_ATTR_RW(use_adisc, 0, 0, 1,
 775              "Use ADISC on rediscovery to authenticate FCP devices");
 776
 777 /*
 778 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
 779 # range is [0,1]. Default value is 0.
 780 */
 781 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
 782
 783 /*
 784 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
 785 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
 786 # value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
 787 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
 788 # cr_delay is set to 0.
 789 */
 790 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
 791                 "interrupt response is generated");
 792
 793 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
 794                 "interrupt response is generated");
 795
 796 /*
 797 # lpfc_multi_ring_support:  Determines how many rings to spread available
 798 # cmd/rsp IOCB entries across.
 799 # Value range is [1,2]. Default value is 1.
 800 */
 801 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
 802                 "SLI rings to spread IOCB entries across");
 803
 804 /*
 805 # lpfc_fdmi_on: controls FDMI support.
 806 #       0 = no FDMI support
 807 #       1 = support FDMI without attribute of hostname
 808 #       2 = support FDMI with attribute of hostname
 809 # Value range [0,2]. Default value is 0.
 810 */
 811 LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
 812
 813 /*
 814 # Specifies the maximum number of ELS cmds we can have outstanding (for
 815 # discovery). Value range is [1,64]. Default value = 32.
 816 */
 817 LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
 818                  "during discovery");
 819
 820 /*
 821 # lpfc_max_luns: maximum allowed LUN.
 822 # Value range is [0,65535]. Default value is 255.
 823 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
 824 */
 825 LPFC_ATTR_R(max_luns, 255, 0, 65535,
 826              "Maximum allowed LUN");
 827
 828 /*
 829 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
 830 # Value range is [1,255], default value is 10.
 831 */
 832 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
 833              "Milliseconds driver will wait between polling FCP ring");
 834
 835 struct class_device_attribute *lpfc_host_attrs[] = {
 836         &class_device_attr_info,
 837         &class_device_attr_serialnum,
 838         &class_device_attr_modeldesc,
 839         &class_device_attr_modelname,
 840         &class_device_attr_programtype,
 841         &class_device_attr_portnum,
 842         &class_device_attr_fwrev,
 843         &class_device_attr_hdw,
 844         &class_device_attr_option_rom_version,
 845         &class_device_attr_state,
 846         &class_device_attr_num_discovered_ports,
 847         &class_device_attr_lpfc_drvr_version,
 848         &class_device_attr_lpfc_log_verbose,
 849         &class_device_attr_lpfc_lun_queue_depth,
 850         &class_device_attr_lpfc_hba_queue_depth,
 851         &class_device_attr_lpfc_nodev_tmo,
 852         &class_device_attr_lpfc_devloss_tmo,
 853         &class_device_attr_lpfc_fcp_class,
 854         &class_device_attr_lpfc_use_adisc,
 855         &class_device_attr_lpfc_ack0,
 856         &class_device_attr_lpfc_topology,
 857         &class_device_attr_lpfc_scan_down,
 858         &class_device_attr_lpfc_link_speed,
 859         &class_device_attr_lpfc_cr_delay,
 860         &class_device_attr_lpfc_cr_count,
 861         &class_device_attr_lpfc_multi_ring_support,
 862         &class_device_attr_lpfc_fdmi_on,
 863         &class_device_attr_lpfc_max_luns,
 864         &class_device_attr_nport_evt_cnt,
 865         &class_device_attr_management_version,
 866         &class_device_attr_board_mode,
 867         &class_device_attr_issue_reset,
 868         &class_device_attr_lpfc_poll,
 869         &class_device_attr_lpfc_poll_tmo,
 870         NULL,
 871 };
 872
 873 static ssize_t
 874 sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
 875 {
 876         size_t buf_off;
 877         struct Scsi_Host *host = class_to_shost(container_of(kobj,
 878                                              struct class_device, kobj));
 879         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 880
 881         if ((off + count) > FF_REG_AREA_SIZE)
 882                 return -ERANGE;
 883
 884         if (count == 0) return 0;
 885
 886         if (off % 4 || count % 4 || (unsigned long)buf % 4)
 887                 return -EINVAL;
 888
 889         spin_lock_irq(phba->host->host_lock);
 890
 891         if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
 892                 spin_unlock_irq(phba->host->host_lock);
 893                 return -EPERM;
 894         }
 895
 896         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
 897                 writel(*((uint32_t *)(buf + buf_off)),
 898                        phba->ctrl_regs_memmap_p + off + buf_off);
 899
 900         spin_unlock_irq(phba->host->host_lock);
 901
 902         return count;
 903 }
 904
 905 static ssize_t
 906 sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
 907 {
 908         size_t buf_off;
 909         uint32_t * tmp_ptr;
 910         struct Scsi_Host *host = class_to_shost(container_of(kobj,
 911                                              struct class_device, kobj));
 912         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
 913
 914         if (off > FF_REG_AREA_SIZE)
 915                 return -ERANGE;
 916
 917         if ((off + count) > FF_REG_AREA_SIZE)
 918                 count = FF_REG_AREA_SIZE - off;
 919
 920         if (count == 0) return 0;
 921
 922         if (off % 4 || count % 4 || (unsigned long)buf % 4)
 923                 return -EINVAL;
 924
 925         spin_lock_irq(phba->host->host_lock);
 926
 927         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
 928                 tmp_ptr = (uint32_t *)(buf + buf_off);
 929                 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
 930         }
 931
 932         spin_unlock_irq(phba->host->host_lock);
 933
 934         return count;
 935 }
 936
 937 static struct bin_attribute sysfs_ctlreg_attr = {
 938         .attr = {
 939                 .name = "ctlreg",
 940                 .mode = S_IRUSR | S_IWUSR,
 941                 .owner = THIS_MODULE,
 942         },
 943         .size = 256,
 944         .read = sysfs_ctlreg_read,
 945         .write = sysfs_ctlreg_write,
 946 };
 947
 948
 949 static void
 950 sysfs_mbox_idle (struct lpfc_hba * phba)
 951 {
 952         phba->sysfs_mbox.state = SMBOX_IDLE;
 953         phba->sysfs_mbox.offset = 0;
 954
 955         if (phba->sysfs_mbox.mbox) {
 956                 mempool_free(phba->sysfs_mbox.mbox,
 957                              phba->mbox_mem_pool);
 958                 phba->sysfs_mbox.mbox = NULL;
 959         }
 960 }
 961
 962 static ssize_t
 963 sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
 964 {
 965         struct Scsi_Host * host =
 966                 class_to_shost(container_of(kobj, struct class_device, kobj));
 967         struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata;
 968         struct lpfcMboxq * mbox = NULL;
 969
 970         if ((count + off) > MAILBOX_CMD_SIZE)
 971                 return -ERANGE;
 972
 973         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
 974                 return -EINVAL;
 975
 976         if (count == 0)
 977                 return 0;
 978
 979         if (off == 0) {
 980                 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 981                 if (!mbox)
 982                         return -ENOMEM;
 983                 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
 984         }
 985
 986         spin_lock_irq(host->host_lock);
 987
 988         if (off == 0) {
 989                 if (phba->sysfs_mbox.mbox)
 990                         mempool_free(mbox, phba->mbox_mem_pool);
 991                 else
 992                         phba->sysfs_mbox.mbox = mbox;
 993                 phba->sysfs_mbox.state = SMBOX_WRITING;
 994         } else {
 995                 if (phba->sysfs_mbox.state  != SMBOX_WRITING ||
 996                     phba->sysfs_mbox.offset != off           ||
 997                     phba->sysfs_mbox.mbox   == NULL ) {
 998                         sysfs_mbox_idle(phba);
 999                         spin_unlock_irq(host->host_lock);
1000                         return -EAGAIN;
1001                 }
1002         }
1003
1004         memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
1005                buf, count);
1006
1007         phba->sysfs_mbox.offset = off + count;
1008
1009         spin_unlock_irq(host->host_lock);
1010
1011         return count;
1012 }
1013
1014 static ssize_t
1015 sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
1016 {
1017         struct Scsi_Host *host =
1018                 class_to_shost(container_of(kobj, struct class_device,
1019                                             kobj));
1020         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
1021         int rc;
1022
1023         if (off > sizeof(MAILBOX_t))
1024                 return -ERANGE;
1025
1026         if ((count + off) > sizeof(MAILBOX_t))
1027                 count = sizeof(MAILBOX_t) - off;
1028
1029         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
1030                 return -EINVAL;
1031
1032         if (off && count == 0)
1033                 return 0;
1034
1035         spin_lock_irq(phba->host->host_lock);
1036
1037         if (off == 0 &&
1038             phba->sysfs_mbox.state  == SMBOX_WRITING &&
1039             phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
1040
1041                 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
1042                         /* Offline only */
1043                 case MBX_WRITE_NV:
1044                 case MBX_INIT_LINK:
1045                 case MBX_DOWN_LINK:
1046                 case MBX_CONFIG_LINK:
1047                 case MBX_CONFIG_RING:
1048                 case MBX_RESET_RING:
1049                 case MBX_UNREG_LOGIN:
1050                 case MBX_CLEAR_LA:
1051                 case MBX_DUMP_CONTEXT:
1052                 case MBX_RUN_DIAGS:
1053                 case MBX_RESTART:
1054                 case MBX_FLASH_WR_ULA:
1055                 case MBX_SET_MASK:
1056                 case MBX_SET_SLIM:
1057                 case MBX_SET_DEBUG:
1058                         if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
1059                                 printk(KERN_WARNING "mbox_read:Command 0x%x "
1060                                        "is illegal in on-line state\n",
1061                                        phba->sysfs_mbox.mbox->mb.mbxCommand);
1062                                 sysfs_mbox_idle(phba);
1063                                 spin_unlock_irq(phba->host->host_lock);
1064                                 return -EPERM;
1065                         }
1066                 case MBX_LOAD_SM:
1067                 case MBX_READ_NV:
1068                 case MBX_READ_CONFIG:
1069                 case MBX_READ_RCONFIG:
1070                 case MBX_READ_STATUS:
1071                 case MBX_READ_XRI:
1072                 case MBX_READ_REV:
1073                 case MBX_READ_LNK_STAT:
1074                 case MBX_DUMP_MEMORY:
1075                 case MBX_DOWN_LOAD:
1076                 case MBX_UPDATE_CFG:
1077                 case MBX_KILL_BOARD:
1078                 case MBX_LOAD_AREA:
1079                 case MBX_LOAD_EXP_ROM:
1080                 case MBX_BEACON:
1081                 case MBX_DEL_LD_ENTRY:
1082                         break;
1083                 case MBX_READ_SPARM64:
1084                 case MBX_READ_LA:
1085                 case MBX_READ_LA64:
1086                 case MBX_REG_LOGIN:
1087                 case MBX_REG_LOGIN64:
1088                 case MBX_CONFIG_PORT:
1089                 case MBX_RUN_BIU_DIAG:
1090                         printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
1091                                phba->sysfs_mbox.mbox->mb.mbxCommand);
1092                         sysfs_mbox_idle(phba);
1093                         spin_unlock_irq(phba->host->host_lock);
1094                         return -EPERM;
1095                 default:
1096                         printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
1097                                phba->sysfs_mbox.mbox->mb.mbxCommand);
1098                         sysfs_mbox_idle(phba);
1099                         spin_unlock_irq(phba->host->host_lock);
1100                         return -EPERM;
1101                 }
1102
1103                 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1104                     (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
1105
1106                         spin_unlock_irq(phba->host->host_lock);
1107                         rc = lpfc_sli_issue_mbox (phba,
1108                                                   phba->sysfs_mbox.mbox,
1109                                                   MBX_POLL);
1110                         spin_lock_irq(phba->host->host_lock);
1111
1112                 } else {
1113                         spin_unlock_irq(phba->host->host_lock);
1114                         rc = lpfc_sli_issue_mbox_wait (phba,
1115                                                        phba->sysfs_mbox.mbox,
1116                                 lpfc_mbox_tmo_val(phba,
1117                                     phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
1118                         spin_lock_irq(phba->host->host_lock);
1119                 }
1120
1121                 if (rc != MBX_SUCCESS) {
1122                         sysfs_mbox_idle(phba);
1123                         spin_unlock_irq(host->host_lock);
1124                         return  (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
1125                 }
1126                 phba->sysfs_mbox.state = SMBOX_READING;
1127         }
1128         else if (phba->sysfs_mbox.offset != off ||
1129                  phba->sysfs_mbox.state  != SMBOX_READING) {
1130                 printk(KERN_WARNING  "mbox_read: Bad State\n");
1131                 sysfs_mbox_idle(phba);
1132                 spin_unlock_irq(host->host_lock);
1133                 return -EAGAIN;
1134         }
1135
1136         memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
1137
1138         phba->sysfs_mbox.offset = off + count;
1139
1140         if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
1141                 sysfs_mbox_idle(phba);
1142
1143         spin_unlock_irq(phba->host->host_lock);
1144
1145         return count;
1146 }
1147
1148 static struct bin_attribute sysfs_mbox_attr = {
1149         .attr = {
1150                 .name = "mbox",
1151                 .mode = S_IRUSR | S_IWUSR,
1152                 .owner = THIS_MODULE,
1153         },
1154         .size = sizeof(MAILBOX_t),
1155         .read = sysfs_mbox_read,
1156         .write = sysfs_mbox_write,
1157 };
1158
1159 int
1160 lpfc_alloc_sysfs_attr(struct lpfc_hba *phba)
1161 {
1162         struct Scsi_Host *host = phba->host;
1163         int error;
1164
1165         error = sysfs_create_bin_file(&host->shost_classdev.kobj,
1166                                                         &sysfs_ctlreg_attr);
1167         if (error)
1168                 goto out;
1169
1170         error = sysfs_create_bin_file(&host->shost_classdev.kobj,
1171                                                         &sysfs_mbox_attr);
1172         if (error)
1173                 goto out_remove_ctlreg_attr;
1174
1175         return 0;
1176 out_remove_ctlreg_attr:
1177         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
1178 out:
1179         return error;
1180 }
1181
1182 void
1183 lpfc_free_sysfs_attr(struct lpfc_hba *phba)
1184 {
1185         struct Scsi_Host *host = phba->host;
1186
1187         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
1188         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
1189 }
1190
1191
1192 /*
1193  * Dynamic FC Host Attributes Support
1194  */
1195
1196 static void
1197 lpfc_get_host_port_id(struct Scsi_Host *shost)
1198 {
1199         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1200         /* note: fc_myDID already in cpu endianness */
1201         fc_host_port_id(shost) = phba->fc_myDID;
1202 }
1203
1204 static void
1205 lpfc_get_host_port_type(struct Scsi_Host *shost)
1206 {
1207         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1208
1209         spin_lock_irq(shost->host_lock);
1210
1211         if (phba->hba_state == LPFC_HBA_READY) {
1212                 if (phba->fc_topology == TOPOLOGY_LOOP) {
1213                         if (phba->fc_flag & FC_PUBLIC_LOOP)
1214                                 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
1215                         else
1216                                 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
1217                 } else {
1218                         if (phba->fc_flag & FC_FABRIC)
1219                                 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
1220                         else
1221                                 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
1222                 }
1223         } else
1224                 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
1225
1226         spin_unlock_irq(shost->host_lock);
1227 }
1228
1229 static void
1230 lpfc_get_host_port_state(struct Scsi_Host *shost)
1231 {
1232         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1233
1234         spin_lock_irq(shost->host_lock);
1235
1236         if (phba->fc_flag & FC_OFFLINE_MODE)
1237                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1238         else {
1239                 switch (phba->hba_state) {
1240                 case LPFC_STATE_UNKNOWN:
1241                 case LPFC_WARM_START:
1242                 case LPFC_INIT_START:
1243                 case LPFC_INIT_MBX_CMDS:
1244                 case LPFC_LINK_DOWN:
1245                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1246                         break;
1247                 case LPFC_LINK_UP:
1248                 case LPFC_LOCAL_CFG_LINK:
1249                 case LPFC_FLOGI:
1250                 case LPFC_FABRIC_CFG_LINK:
1251                 case LPFC_NS_REG:
1252                 case LPFC_NS_QRY:
1253                 case LPFC_BUILD_DISC_LIST:
1254                 case LPFC_DISC_AUTH:
1255                 case LPFC_CLEAR_LA:
1256                 case LPFC_HBA_READY:
1257                         /* Links up, beyond this port_type reports state */
1258                         fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1259                         break;
1260                 case LPFC_HBA_ERROR:
1261                         fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
1262                         break;
1263                 default:
1264                         fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1265                         break;
1266                 }
1267         }
1268
1269         spin_unlock_irq(shost->host_lock);
1270 }
1271
1272 static void
1273 lpfc_get_host_speed(struct Scsi_Host *shost)
1274 {
1275         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1276
1277         spin_lock_irq(shost->host_lock);
1278
1279         if (phba->hba_state == LPFC_HBA_READY) {
1280                 switch(phba->fc_linkspeed) {
1281                         case LA_1GHZ_LINK:
1282                                 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
1283                         break;
1284                         case LA_2GHZ_LINK:
1285                                 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
1286                         break;
1287                         case LA_4GHZ_LINK:
1288                                 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
1289                         break;
1290                         default:
1291                                 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
1292                         break;
1293                 }
1294         }
1295
1296         spin_unlock_irq(shost->host_lock);
1297 }
1298
1299 static void
1300 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
1301 {
1302         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1303         u64 node_name;
1304
1305         spin_lock_irq(shost->host_lock);
1306
1307         if ((phba->fc_flag & FC_FABRIC) ||
1308             ((phba->fc_topology == TOPOLOGY_LOOP) &&
1309              (phba->fc_flag & FC_PUBLIC_LOOP)))
1310                 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
1311         else
1312                 /* fabric is local port if there is no F/FL_Port */
1313                 node_name = wwn_to_u64(phba->fc_nodename.u.wwn);
1314
1315         spin_unlock_irq(shost->host_lock);
1316
1317         fc_host_fabric_name(shost) = node_name;
1318 }
1319
1320 static void
1321 lpfc_get_host_symbolic_name (struct Scsi_Host *shost)
1322 {
1323         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1324
1325         spin_lock_irq(shost->host_lock);
1326         lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(shost));
1327         spin_unlock_irq(shost->host_lock);
1328 }
1329
1330 static struct fc_host_statistics *
1331 lpfc_get_stats(struct Scsi_Host *shost)
1332 {
1333         struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
1334         struct lpfc_sli *psli = &phba->sli;
1335         struct fc_host_statistics *hs = &phba->link_stats;
1336         struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
1337         LPFC_MBOXQ_t *pmboxq;
1338         MAILBOX_t *pmb;
1339         unsigned long seconds;
1340         int rc = 0;
1341
1342         pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1343         if (!pmboxq)
1344                 return NULL;
1345         memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1346
1347         pmb = &pmboxq->mb;
1348         pmb->mbxCommand = MBX_READ_STATUS;
1349         pmb->mbxOwner = OWN_HOST;
1350         pmboxq->context1 = NULL;
1351
1352         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1353                 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1354                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1355         else
1356                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1357
1358         if (rc != MBX_SUCCESS) {
1359                 if (rc == MBX_TIMEOUT)
1360                         pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1361                 else
1362                         mempool_free(pmboxq, phba->mbox_mem_pool);
1363                 return NULL;
1364         }
1365
1366         memset(hs, 0, sizeof (struct fc_host_statistics));
1367
1368         hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1369         hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1370         hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1371         hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1372
1373         memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1374         pmb->mbxCommand = MBX_READ_LNK_STAT;
1375         pmb->mbxOwner = OWN_HOST;
1376         pmboxq->context1 = NULL;
1377
1378         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1379             (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1380                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1381         else
1382                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1383
1384         if (rc != MBX_SUCCESS) {
1385                 if (rc == MBX_TIMEOUT)
1386                         pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1387                 else
1388                         mempool_free( pmboxq, phba->mbox_mem_pool);
1389                 return NULL;
1390         }
1391
1392         hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1393         hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1394         hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1395         hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1396         hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1397         hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1398         hs->error_frames = pmb->un.varRdLnk.crcCnt;
1399
1400         hs->link_failure_count -= lso->link_failure_count;
1401         hs->loss_of_sync_count -= lso->loss_of_sync_count;
1402         hs->loss_of_signal_count -= lso->loss_of_signal_count;
1403         hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
1404         hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
1405         hs->invalid_crc_count -= lso->invalid_crc_count;
1406         hs->error_frames -= lso->error_frames;
1407
1408         if (phba->fc_topology == TOPOLOGY_LOOP) {
1409                 hs->lip_count = (phba->fc_eventTag >> 1);
1410                 hs->lip_count -= lso->link_events;
1411                 hs->nos_count = -1;
1412         } else {
1413                 hs->lip_count = -1;
1414                 hs->nos_count = (phba->fc_eventTag >> 1);
1415                 hs->nos_count -= lso->link_events;
1416         }
1417
1418         hs->dumped_frames = -1;
1419
1420         seconds = get_seconds();
1421         if (seconds < psli->stats_start)
1422                 hs->seconds_since_last_reset = seconds +
1423                                 ((unsigned long)-1 - psli->stats_start);
1424         else
1425                 hs->seconds_since_last_reset = seconds - psli->stats_start;
1426
1427         return hs;
1428 }
1429
1430 static void
1431 lpfc_reset_stats(struct Scsi_Host *shost)
1432 {
1433         struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
1434         struct lpfc_sli *psli = &phba->sli;
1435         struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
1436         LPFC_MBOXQ_t *pmboxq;
1437         MAILBOX_t *pmb;
1438         int rc = 0;
1439
1440         pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1441         if (!pmboxq)
1442                 return;
1443         memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
1444
1445         pmb = &pmboxq->mb;
1446         pmb->mbxCommand = MBX_READ_STATUS;
1447         pmb->mbxOwner = OWN_HOST;
1448         pmb->un.varWords[0] = 0x1; /* reset request */
1449         pmboxq->context1 = NULL;
1450
1451         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1452                 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1453                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1454         else
1455                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1456
1457         if (rc != MBX_SUCCESS) {
1458                 if (rc == MBX_TIMEOUT)
1459                         pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1460                 else
1461                         mempool_free(pmboxq, phba->mbox_mem_pool);
1462                 return;
1463         }
1464
1465         memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
1466         pmb->mbxCommand = MBX_READ_LNK_STAT;
1467         pmb->mbxOwner = OWN_HOST;
1468         pmboxq->context1 = NULL;
1469
1470         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1471             (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1472                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1473         else
1474                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1475
1476         if (rc != MBX_SUCCESS) {
1477                 if (rc == MBX_TIMEOUT)
1478                         pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1479                 else
1480                         mempool_free( pmboxq, phba->mbox_mem_pool);
1481                 return;
1482         }
1483
1484         lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1485         lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1486         lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1487         lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1488         lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1489         lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1490         lso->error_frames = pmb->un.varRdLnk.crcCnt;
1491         lso->link_events = (phba->fc_eventTag >> 1);
1492
1493         psli->stats_start = get_seconds();
1494
1495         return;
1496 }
1497
1498 /*
1499  * The LPFC driver treats linkdown handling as target loss events so there
1500  * are no sysfs handlers for link_down_tmo.
1501  */
1502 static void
1503 lpfc_get_starget_port_id(struct scsi_target *starget)
1504 {
1505         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1506         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
1507         uint32_t did = -1;
1508         struct lpfc_nodelist *ndlp = NULL;
1509
1510         spin_lock_irq(shost->host_lock);
1511         /* Search the mapped list for this target ID */
1512         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1513                 if (starget->id == ndlp->nlp_sid) {
1514                         did = ndlp->nlp_DID;
1515                         break;
1516                 }
1517         }
1518         spin_unlock_irq(shost->host_lock);
1519
1520         fc_starget_port_id(starget) = did;
1521 }
1522
1523 static void
1524 lpfc_get_starget_node_name(struct scsi_target *starget)
1525 {
1526         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1527         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
1528         u64 node_name = 0;
1529         struct lpfc_nodelist *ndlp = NULL;
1530
1531         spin_lock_irq(shost->host_lock);
1532         /* Search the mapped list for this target ID */
1533         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1534                 if (starget->id == ndlp->nlp_sid) {
1535                         node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
1536                         break;
1537                 }
1538         }
1539         spin_unlock_irq(shost->host_lock);
1540
1541         fc_starget_node_name(starget) = node_name;
1542 }
1543
1544 static void
1545 lpfc_get_starget_port_name(struct scsi_target *starget)
1546 {
1547         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1548         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
1549         u64 port_name = 0;
1550         struct lpfc_nodelist *ndlp = NULL;
1551
1552         spin_lock_irq(shost->host_lock);
1553         /* Search the mapped list for this target ID */
1554         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1555                 if (starget->id == ndlp->nlp_sid) {
1556                         port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
1557                         break;
1558                 }
1559         }
1560         spin_unlock_irq(shost->host_lock);
1561
1562         fc_starget_port_name(starget) = port_name;
1563 }
1564
1565 static void
1566 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1567 {
1568         if (timeout)
1569                 rport->dev_loss_tmo = timeout;
1570         else
1571                 rport->dev_loss_tmo = 1;
1572 }
1573
1574
1575 #define lpfc_rport_show_function(field, format_string, sz, cast)        \
1576 static ssize_t                                                          \
1577 lpfc_show_rport_##field (struct class_device *cdev, char *buf)          \
1578 {                                                                       \
1579         struct fc_rport *rport = transport_class_to_rport(cdev);        \
1580         struct lpfc_rport_data *rdata = rport->hostdata;                \
1581         return snprintf(buf, sz, format_string,                         \
1582                 (rdata->target) ? cast rdata->target->field : 0);       \
1583 }
1584
1585 #define lpfc_rport_rd_attr(field, format_string, sz)                    \
1586         lpfc_rport_show_function(field, format_string, sz, )            \
1587 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
1588
1589
1590 struct fc_function_template lpfc_transport_functions = {
1591         /* fixed attributes the driver supports */
1592         .show_host_node_name = 1,
1593         .show_host_port_name = 1,
1594         .show_host_supported_classes = 1,
1595         .show_host_supported_fc4s = 1,
1596         .show_host_supported_speeds = 1,
1597         .show_host_maxframe_size = 1,
1598
1599         /* dynamic attributes the driver supports */
1600         .get_host_port_id = lpfc_get_host_port_id,
1601         .show_host_port_id = 1,
1602
1603         .get_host_port_type = lpfc_get_host_port_type,
1604         .show_host_port_type = 1,
1605
1606         .get_host_port_state = lpfc_get_host_port_state,
1607         .show_host_port_state = 1,
1608
1609         /* active_fc4s is shown but doesn't change (thus no get function) */
1610         .show_host_active_fc4s = 1,
1611
1612         .get_host_speed = lpfc_get_host_speed,
1613         .show_host_speed = 1,
1614
1615         .get_host_fabric_name = lpfc_get_host_fabric_name,
1616         .show_host_fabric_name = 1,
1617
1618         .get_host_symbolic_name = lpfc_get_host_symbolic_name,
1619         .show_host_symbolic_name = 1,
1620
1621         /*
1622          * The LPFC driver treats linkdown handling as target loss events
1623          * so there are no sysfs handlers for link_down_tmo.
1624          */
1625
1626         .get_fc_host_stats = lpfc_get_stats,
1627         .reset_fc_host_stats = lpfc_reset_stats,
1628
1629         .dd_fcrport_size = sizeof(struct lpfc_rport_data),
1630         .show_rport_maxframe_size = 1,
1631         .show_rport_supported_classes = 1,
1632
1633         .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
1634         .show_rport_dev_loss_tmo = 1,
1635
1636         .get_starget_port_id  = lpfc_get_starget_port_id,
1637         .show_starget_port_id = 1,
1638
1639         .get_starget_node_name = lpfc_get_starget_node_name,
1640         .show_starget_node_name = 1,
1641
1642         .get_starget_port_name = lpfc_get_starget_port_name,
1643         .show_starget_port_name = 1,
1644
1645         .issue_fc_host_lip = lpfc_issue_lip,
1646         .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
1647         .terminate_rport_io = lpfc_terminate_rport_io,
1648 };
1649
1650 void
1651 lpfc_get_cfgparam(struct lpfc_hba *phba)
1652 {
1653         lpfc_log_verbose_init(phba, lpfc_log_verbose);
1654         lpfc_cr_delay_init(phba, lpfc_cr_delay);
1655         lpfc_cr_count_init(phba, lpfc_cr_count);
1656         lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
1657         lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
1658         lpfc_fcp_class_init(phba, lpfc_fcp_class);
1659         lpfc_use_adisc_init(phba, lpfc_use_adisc);
1660         lpfc_ack0_init(phba, lpfc_ack0);
1661         lpfc_topology_init(phba, lpfc_topology);
1662         lpfc_scan_down_init(phba, lpfc_scan_down);
1663         lpfc_link_speed_init(phba, lpfc_link_speed);
1664         lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
1665         lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
1666         lpfc_max_luns_init(phba, lpfc_max_luns);
1667         lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
1668         lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
1669         lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
1670         phba->cfg_poll = lpfc_poll;
1671
1672         /*
1673          * The total number of segments is the configuration value plus 2
1674          * since the IOCB need a command and response bde.
1675          */
1676         phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
1677
1678         /*
1679          * Since the sg_tablesize is module parameter, the sg_dma_buf_size
1680          * used to create the sg_dma_buf_pool must be dynamically calculated
1681          */
1682         phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
1683                         sizeof(struct fcp_rsp) +
1684                         (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
1685
1686         switch (phba->pcidev->device) {
1687         case PCI_DEVICE_ID_LP101:
1688         case PCI_DEVICE_ID_BSMB:
1689         case PCI_DEVICE_ID_ZSMB:
1690                 phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
1691                 break;
1692         case PCI_DEVICE_ID_RFLY:
1693         case PCI_DEVICE_ID_PFLY:
1694         case PCI_DEVICE_ID_BMID:
1695         case PCI_DEVICE_ID_ZMID:
1696         case PCI_DEVICE_ID_TFLY:
1697                 phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
1698                 break;
1699         default:
1700                 phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
1701         }
1702
1703         if (phba->cfg_hba_queue_depth > lpfc_hba_queue_depth)
1704                 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
1705
1706         return;
1707 }