drivers/scsi/lpfc/lpfc_attr.c

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Enterprise Fibre Channel Host Bus Adapters.                     *
   4  * Refer to the README file included with this package for         *
   5  * driver version and adapter support.                             *
   6  * Copyright (C) 2004 Emulex Corporation.                          *
   7  * www.emulex.com                                                  *
   8  *                                                                 *
   9  * This program is free software; you can redistribute it and/or   *
  10  * modify it under the terms of the GNU General Public License     *
  11  * as published by the Free Software Foundation; either version 2  *
  12  * of the License, or (at your option) any later version.          *
  13  *                                                                 *
  14  * This program is distributed in the hope that it will be useful, *
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of  *
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   *
  17  * GNU General Public License for more details, a copy of which    *
  18  * can be found in the file COPYING included with this package.    *
  19  *******************************************************************/
  20
  21 /*
  22  * $Id: lpfc_attr.c 1.24 2005/04/13 11:58:55EDT sf_support Exp  $
  23  */
  24
  25 #include <linux/ctype.h>
  26 #include <linux/pci.h>
  27 #include <linux/interrupt.h>
  28
  29 #include <scsi/scsi_device.h>
  30 #include <scsi/scsi_host.h>
  31 #include <scsi/scsi_tcq.h>
  32 #include <scsi/scsi_transport_fc.h>
  33
  34 #include "lpfc_hw.h"
  35 #include "lpfc_sli.h"
  36 #include "lpfc_disc.h"
  37 #include "lpfc_scsi.h"
  38 #include "lpfc.h"
  39 #include "lpfc_logmsg.h"
  40 #include "lpfc_version.h"
  41 #include "lpfc_compat.h"
  42 #include "lpfc_crtn.h"
  43
  44
  45 static void
  46 lpfc_jedec_to_ascii(int incr, char hdw[])
  47 {
  48         int i, j;
  49         for (i = 0; i < 8; i++) {
  50                 j = (incr & 0xf);
  51                 if (j <= 9)
  52                         hdw[7 - i] = 0x30 +  j;
  53                  else
  54                         hdw[7 - i] = 0x61 + j - 10;
  55                 incr = (incr >> 4);
  56         }
  57         hdw[8] = 0;
  58         return;
  59 }
  60
  61 static ssize_t
  62 lpfc_drvr_version_show(struct class_device *cdev, char *buf)
  63 {
  64         return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
  65 }
  66
  67 static ssize_t
  68 management_version_show(struct class_device *cdev, char *buf)
  69 {
  70         return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n");
  71 }
  72
  73 static ssize_t
  74 lpfc_info_show(struct class_device *cdev, char *buf)
  75 {
  76         struct Scsi_Host *host = class_to_shost(cdev);
  77         return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
  78 }
  79
  80 static ssize_t
  81 lpfc_serialnum_show(struct class_device *cdev, char *buf)
  82 {
  83         struct Scsi_Host *host = class_to_shost(cdev);
  84         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
  85         return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
  86 }
  87
  88 static ssize_t
  89 lpfc_modeldesc_show(struct class_device *cdev, char *buf)
  90 {
  91         struct Scsi_Host *host = class_to_shost(cdev);
  92         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
  93         return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
  94 }
  95
  96 static ssize_t
  97 lpfc_modelname_show(struct class_device *cdev, char *buf)
  98 {
  99         struct Scsi_Host *host = class_to_shost(cdev);
 100         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 101         return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
 102 }
 103
 104 static ssize_t
 105 lpfc_programtype_show(struct class_device *cdev, char *buf)
 106 {
 107         struct Scsi_Host *host = class_to_shost(cdev);
 108         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 109         return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
 110 }
 111
 112 static ssize_t
 113 lpfc_portnum_show(struct class_device *cdev, char *buf)
 114 {
 115         struct Scsi_Host *host = class_to_shost(cdev);
 116         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 117         return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
 118 }
 119
 120 static ssize_t
 121 lpfc_fwrev_show(struct class_device *cdev, char *buf)
 122 {
 123         struct Scsi_Host *host = class_to_shost(cdev);
 124         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 125         char fwrev[32];
 126         lpfc_decode_firmware_rev(phba, fwrev, 1);
 127         return snprintf(buf, PAGE_SIZE, "%s\n",fwrev);
 128 }
 129
 130 static ssize_t
 131 lpfc_hdw_show(struct class_device *cdev, char *buf)
 132 {
 133         char hdw[9];
 134         struct Scsi_Host *host = class_to_shost(cdev);
 135         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 136         lpfc_vpd_t *vp = &phba->vpd;
 137         lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
 138         return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
 139 }
 140 static ssize_t
 141 lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
 142 {
 143         struct Scsi_Host *host = class_to_shost(cdev);
 144         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 145         return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
 146 }
 147 static ssize_t
 148 lpfc_state_show(struct class_device *cdev, char *buf)
 149 {
 150         struct Scsi_Host *host = class_to_shost(cdev);
 151         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 152         int len = 0;
 153         switch (phba->hba_state) {
 154         case LPFC_INIT_START:
 155         case LPFC_INIT_MBX_CMDS:
 156         case LPFC_LINK_DOWN:
 157                 len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
 158                 break;
 159         case LPFC_LINK_UP:
 160         case LPFC_LOCAL_CFG_LINK:
 161                 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n");
 162                 break;
 163         case LPFC_FLOGI:
 164         case LPFC_FABRIC_CFG_LINK:
 165         case LPFC_NS_REG:
 166         case LPFC_NS_QRY:
 167         case LPFC_BUILD_DISC_LIST:
 168         case LPFC_DISC_AUTH:
 169         case LPFC_CLEAR_LA:
 170                 len += snprintf(buf + len, PAGE_SIZE-len,
 171                                 "Link Up - Discovery\n");
 172                 break;
 173         case LPFC_HBA_READY:
 174                 len += snprintf(buf + len, PAGE_SIZE-len,
 175                                 "Link Up - Ready:\n");
 176                 if (phba->fc_topology == TOPOLOGY_LOOP) {
 177                         if (phba->fc_flag & FC_PUBLIC_LOOP)
 178                                 len += snprintf(buf + len, PAGE_SIZE-len,
 179                                                 "   Public Loop\n");
 180                         else
 181                                 len += snprintf(buf + len, PAGE_SIZE-len,
 182                                                 "   Private Loop\n");
 183                 } else {
 184                         if (phba->fc_flag & FC_FABRIC)
 185                                 len += snprintf(buf + len, PAGE_SIZE-len,
 186                                                 "   Fabric\n");
 187                         else
 188                                 len += snprintf(buf + len, PAGE_SIZE-len,
 189                                                 "   Point-2-Point\n");
 190                 }
 191         }
 192         return len;
 193 }
 194
 195 static ssize_t
 196 lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
 197 {
 198         struct Scsi_Host *host = class_to_shost(cdev);
 199         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 200         return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt +
 201                                                         phba->fc_unmap_cnt);
 202 }
 203
 204
 205 static ssize_t
 206 lpfc_issue_lip (struct class_device *cdev, const char *buf, size_t count)
 207 {
 208         struct Scsi_Host *host = class_to_shost(cdev);
 209         struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0];
 210         int val = 0;
 211         LPFC_MBOXQ_t *pmboxq;
 212         int mbxstatus = MBXERR_ERROR;
 213
 214         if ((sscanf(buf, "%d", &val) != 1) ||
 215             (val != 1))
 216                 return -EINVAL;
 217
 218         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
 219             (phba->hba_state != LPFC_HBA_READY))
 220                 return -EPERM;
 221
 222         pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
 223
 224         if (!pmboxq)
 225                 return -ENOMEM;
 226
 227         memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
 228         lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed);
 229         mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
 230
 231         if (mbxstatus == MBX_TIMEOUT)
 232                 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 233         else
 234                 mempool_free( pmboxq, phba->mbox_mem_pool);
 235
 236         if (mbxstatus == MBXERR_ERROR)
 237                 return -EIO;
 238
 239         return strlen(buf);
 240 }
 241
 242 static ssize_t
 243 lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
 244 {
 245         struct Scsi_Host *host = class_to_shost(cdev);
 246         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 247         return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
 248 }
 249
 250 static ssize_t
 251 lpfc_board_online_show(struct class_device *cdev, char *buf)
 252 {
 253         struct Scsi_Host *host = class_to_shost(cdev);
 254         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 255
 256         if (!phba) return 0;
 257
 258         if (phba->fc_flag & FC_OFFLINE_MODE)
 259                 return snprintf(buf, PAGE_SIZE, "0\n");
 260         else
 261                 return snprintf(buf, PAGE_SIZE, "1\n");
 262 }
 263
 264 static ssize_t
 265 lpfc_board_online_store(struct class_device *cdev, const char *buf,
 266                                                                 size_t count)
 267 {
 268         struct Scsi_Host *host = class_to_shost(cdev);
 269         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 270         struct completion online_compl;
 271         int val=0, status=0;
 272
 273         if (sscanf(buf, "%d", &val) != 1)
 274                 return 0;
 275
 276         init_completion(&online_compl);
 277
 278         if (val)
 279                 lpfc_workq_post_event(phba, &status, &online_compl,
 280                                                         LPFC_EVT_ONLINE);
 281         else
 282                 lpfc_workq_post_event(phba, &status, &online_compl,
 283                                                         LPFC_EVT_OFFLINE);
 284         wait_for_completion(&online_compl);
 285         if (!status)
 286                 return strlen(buf);
 287         else
 288                 return 0;
 289 }
 290
 291
 292 #define lpfc_param_show(attr)   \
 293 static ssize_t \
 294 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
 295 { \
 296         struct Scsi_Host *host = class_to_shost(cdev);\
 297         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
 298         int val = 0;\
 299         if (phba){\
 300                 val = phba->cfg_##attr;\
 301                 return snprintf(buf, PAGE_SIZE, "%d\n",\
 302                                 phba->cfg_##attr);\
 303         }\
 304         return 0;\
 305 }
 306
 307 #define lpfc_param_store(attr, minval, maxval)  \
 308 static ssize_t \
 309 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
 310 { \
 311         struct Scsi_Host *host = class_to_shost(cdev);\
 312         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
 313         int val = 0;\
 314         if (!isdigit(buf[0]))\
 315                 return -EINVAL;\
 316         if (sscanf(buf, "0x%x", &val) != 1)\
 317                 if (sscanf(buf, "%d", &val) != 1)\
 318                         return -EINVAL;\
 319         if (phba){\
 320                 if (val >= minval && val <= maxval) {\
 321                         phba->cfg_##attr = val;\
 322                         return strlen(buf);\
 323                 }\
 324         }\
 325         return 0;\
 326 }
 327
 328 #define LPFC_ATTR_R_NOINIT(name, desc) \
 329 extern int lpfc_##name;\
 330 module_param(lpfc_##name, int, 0);\
 331 MODULE_PARM_DESC(lpfc_##name, desc);\
 332 lpfc_param_show(name)\
 333 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
 334
 335 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
 336 static int lpfc_##name = defval;\
 337 module_param(lpfc_##name, int, 0);\
 338 MODULE_PARM_DESC(lpfc_##name, desc);\
 339 lpfc_param_show(name)\
 340 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
 341
 342 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
 343 static int lpfc_##name = defval;\
 344 module_param(lpfc_##name, int, 0);\
 345 MODULE_PARM_DESC(lpfc_##name, desc);\
 346 lpfc_param_show(name)\
 347 lpfc_param_store(name, minval, maxval)\
 348 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
 349                          lpfc_##name##_show, lpfc_##name##_store)
 350
 351 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
 352 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
 353 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
 354 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
 355 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
 356 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
 357 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
 358 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
 359 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
 360 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
 361                                         lpfc_option_rom_version_show, NULL);
 362 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
 363                                         lpfc_num_discovered_ports_show, NULL);
 364 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
 365 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
 366                          NULL);
 367 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
 368                          NULL);
 369 static CLASS_DEVICE_ATTR(issue_lip, S_IWUSR, NULL, lpfc_issue_lip);
 370 static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
 371                          lpfc_board_online_show, lpfc_board_online_store);
 372
 373
 374 /*
 375 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
 376 # deluged with LOTS of information.
 377 # You can set a bit mask to record specific types of verbose messages:
 378 #
 379 # LOG_ELS                       0x1        ELS events
 380 # LOG_DISCOVERY                 0x2        Link discovery events
 381 # LOG_MBOX                      0x4        Mailbox events
 382 # LOG_INIT                      0x8        Initialization events
 383 # LOG_LINK_EVENT                0x10       Link events
 384 # LOG_IP                        0x20       IP traffic history
 385 # LOG_FCP                       0x40       FCP traffic history
 386 # LOG_NODE                      0x80       Node table events
 387 # LOG_MISC                      0x400      Miscellaneous events
 388 # LOG_SLI                       0x800      SLI events
 389 # LOG_CHK_COND                  0x1000     FCP Check condition flag
 390 # LOG_LIBDFC                    0x2000     LIBDFC events
 391 # LOG_ALL_MSG                   0xffff     LOG all messages
 392 */
 393 LPFC_ATTR_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
 394
 395 /*
 396 # lun_queue_depth:  This parameter is used to limit the number of outstanding
 397 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
 398 */
 399 LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
 400             "Max number of FCP commands we can queue to a specific LUN");
 401
 402 /*
 403 # Some disk devices have a "select ID" or "select Target" capability.
 404 # From a protocol standpoint "select ID" usually means select the
 405 # Fibre channel "ALPA".  In the FC-AL Profile there is an "informative
 406 # annex" which contains a table that maps a "select ID" (a number
 407 # between 0 and 7F) to an ALPA.  By default, for compatibility with
 408 # older drivers, the lpfc driver scans this table from low ALPA to high
 409 # ALPA.
 410 #
 411 # Turning on the scan-down variable (on  = 1, off = 0) will
 412 # cause the lpfc driver to use an inverted table, effectively
 413 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
 414 #
 415 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
 416 # and will not work across a fabric. Also this parameter will take
 417 # effect only in the case when ALPA map is not available.)
 418 */
 419 LPFC_ATTR_R(scan_down, 1, 0, 1,
 420              "Start scanning for devices from highest ALPA to lowest");
 421
 422 /*
 423 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
 424 # until the timer expires. Value range is [0,255]. Default value is 20.
 425 # NOTE: this MUST be less then the SCSI Layer command timeout - 1.
 426 */
 427 LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
 428              "Seconds driver will hold I/O waiting for a device to come back");
 429
 430 /*
 431 # lpfc_topology:  link topology for init link
 432 #            0x0  = attempt loop mode then point-to-point
 433 #            0x02 = attempt point-to-point mode only
 434 #            0x04 = attempt loop mode only
 435 #            0x06 = attempt point-to-point mode then loop
 436 # Set point-to-point mode if you want to run as an N_Port.
 437 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
 438 # Default value is 0.
 439 */
 440 LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology");
 441
 442 /*
 443 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
 444 # connection.
 445 #       0  = auto select (default)
 446 #       1  = 1 Gigabaud
 447 #       2  = 2 Gigabaud
 448 #       4  = 4 Gigabaud
 449 # Value range is [0,4]. Default value is 0.
 450 */
 451 LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
 452
 453 /*
 454 # lpfc_fcp_class:  Determines FC class to use for the FCP protocol.
 455 # Value range is [2,3]. Default value is 3.
 456 */
 457 LPFC_ATTR_R(fcp_class, 3, 2, 3,
 458              "Select Fibre Channel class of service for FCP sequences");
 459
 460 /*
 461 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
 462 # is [0,1]. Default value is 0.
 463 */
 464 LPFC_ATTR_RW(use_adisc, 0, 0, 1,
 465              "Use ADISC on rediscovery to authenticate FCP devices");
 466
 467 /*
 468 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
 469 # range is [0,1]. Default value is 0.
 470 */
 471 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
 472
 473 /*
 474 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
 475 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
 476 # value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
 477 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
 478 # cr_delay is set to 0.
 479 */
 480 static int lpfc_cr_delay = 0;
 481 module_param(lpfc_cr_delay, int , 0);
 482 MODULE_PARM_DESC(lpfc_cr_delay, "A count of milliseconds after which an "
 483                 "interrupt response is generated");
 484
 485 static int lpfc_cr_count = 1;
 486 module_param(lpfc_cr_count, int, 0);
 487 MODULE_PARM_DESC(lpfc_cr_count, "A count of I/O completions after which an "
 488                 "interrupt response is generated");
 489
 490 /*
 491 # lpfc_fdmi_on: controls FDMI support.
 492 #       0 = no FDMI support
 493 #       1 = support FDMI without attribute of hostname
 494 #       2 = support FDMI with attribute of hostname
 495 # Value range [0,2]. Default value is 0.
 496 */
 497 LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
 498
 499 /*
 500 # Specifies the maximum number of ELS cmds we can have outstanding (for
 501 # discovery). Value range is [1,64]. Default value = 32.
 502 */
 503 static int lpfc_discovery_threads = 32;
 504 module_param(lpfc_discovery_threads, int, 0);
 505 MODULE_PARM_DESC(lpfc_discovery_threads, "Maximum number of ELS commands "
 506                  "during discovery");
 507
 508 /*
 509 # lpfc_max_luns: maximum number of LUNs per target driver will support
 510 # Value range is [1,32768]. Default value is 256.
 511 # NOTE: The SCSI layer will scan each target for this many luns
 512 */
 513 LPFC_ATTR_R(max_luns, 256, 1, 32768,
 514              "Maximum number of LUNs per target driver will support");
 515
 516 struct class_device_attribute *lpfc_host_attrs[] = {
 517         &class_device_attr_info,
 518         &class_device_attr_serialnum,
 519         &class_device_attr_modeldesc,
 520         &class_device_attr_modelname,
 521         &class_device_attr_programtype,
 522         &class_device_attr_portnum,
 523         &class_device_attr_fwrev,
 524         &class_device_attr_hdw,
 525         &class_device_attr_option_rom_version,
 526         &class_device_attr_state,
 527         &class_device_attr_num_discovered_ports,
 528         &class_device_attr_lpfc_drvr_version,
 529         &class_device_attr_lpfc_log_verbose,
 530         &class_device_attr_lpfc_lun_queue_depth,
 531         &class_device_attr_lpfc_nodev_tmo,
 532         &class_device_attr_lpfc_fcp_class,
 533         &class_device_attr_lpfc_use_adisc,
 534         &class_device_attr_lpfc_ack0,
 535         &class_device_attr_lpfc_topology,
 536         &class_device_attr_lpfc_scan_down,
 537         &class_device_attr_lpfc_link_speed,
 538         &class_device_attr_lpfc_fdmi_on,
 539         &class_device_attr_lpfc_max_luns,
 540         &class_device_attr_nport_evt_cnt,
 541         &class_device_attr_management_version,
 542         &class_device_attr_issue_lip,
 543         &class_device_attr_board_online,
 544         NULL,
 545 };
 546
 547 static ssize_t
 548 sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
 549 {
 550         size_t buf_off;
 551         struct Scsi_Host *host = class_to_shost(container_of(kobj,
 552                                              struct class_device, kobj));
 553         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 554
 555         if ((off + count) > FF_REG_AREA_SIZE)
 556                 return -ERANGE;
 557
 558         if (count == 0) return 0;
 559
 560         if (off % 4 || count % 4 || (unsigned long)buf % 4)
 561                 return -EINVAL;
 562
 563         spin_lock_irq(phba->host->host_lock);
 564
 565         if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
 566                 spin_unlock_irq(phba->host->host_lock);
 567                 return -EPERM;
 568         }
 569
 570         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
 571                 writel(*((uint32_t *)(buf + buf_off)),
 572                        phba->ctrl_regs_memmap_p + off + buf_off);
 573
 574         spin_unlock_irq(phba->host->host_lock);
 575
 576         return count;
 577 }
 578
 579 static ssize_t
 580 sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
 581 {
 582         size_t buf_off;
 583         uint32_t * tmp_ptr;
 584         struct Scsi_Host *host = class_to_shost(container_of(kobj,
 585                                              struct class_device, kobj));
 586         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 587
 588         if (off > FF_REG_AREA_SIZE)
 589                 return -ERANGE;
 590
 591         if ((off + count) > FF_REG_AREA_SIZE)
 592                 count = FF_REG_AREA_SIZE - off;
 593
 594         if (count == 0) return 0;
 595
 596         if (off % 4 || count % 4 || (unsigned long)buf % 4)
 597                 return -EINVAL;
 598
 599         spin_lock_irq(phba->host->host_lock);
 600
 601         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
 602                 tmp_ptr = (uint32_t *)(buf + buf_off);
 603                 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
 604         }
 605
 606         spin_unlock_irq(phba->host->host_lock);
 607
 608         return count;
 609 }
 610
 611 static struct bin_attribute sysfs_ctlreg_attr = {
 612         .attr = {
 613                 .name = "ctlreg",
 614                 .mode = S_IRUSR | S_IWUSR,
 615                 .owner = THIS_MODULE,
 616         },
 617         .size = 256,
 618         .read = sysfs_ctlreg_read,
 619         .write = sysfs_ctlreg_write,
 620 };
 621
 622
 623 static void
 624 sysfs_mbox_idle (struct lpfc_hba * phba)
 625 {
 626         phba->sysfs_mbox.state = SMBOX_IDLE;
 627         phba->sysfs_mbox.offset = 0;
 628
 629         if (phba->sysfs_mbox.mbox) {
 630                 mempool_free(phba->sysfs_mbox.mbox,
 631                              phba->mbox_mem_pool);
 632                 phba->sysfs_mbox.mbox = NULL;
 633         }
 634 }
 635
 636 static ssize_t
 637 sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
 638 {
 639         struct Scsi_Host * host =
 640                 class_to_shost(container_of(kobj, struct class_device, kobj));
 641         struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0];
 642         struct lpfcMboxq * mbox = NULL;
 643
 644         if ((count + off) > MAILBOX_CMD_SIZE)
 645                 return -ERANGE;
 646
 647         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
 648                 return -EINVAL;
 649
 650         if (count == 0)
 651                 return 0;
 652
 653         if (off == 0) {
 654                 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 655                 if (!mbox)
 656                         return -ENOMEM;
 657
 658         }
 659
 660         spin_lock_irq(host->host_lock);
 661
 662         if (off == 0) {
 663                 if (phba->sysfs_mbox.mbox)
 664                         mempool_free(mbox, phba->mbox_mem_pool);
 665                 else
 666                         phba->sysfs_mbox.mbox = mbox;
 667                 phba->sysfs_mbox.state = SMBOX_WRITING;
 668         } else {
 669                 if (phba->sysfs_mbox.state  != SMBOX_WRITING ||
 670                     phba->sysfs_mbox.offset != off           ||
 671                     phba->sysfs_mbox.mbox   == NULL ) {
 672                         sysfs_mbox_idle(phba);
 673                         spin_unlock_irq(host->host_lock);
 674                         return -EINVAL;
 675                 }
 676         }
 677
 678         memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
 679                buf, count);
 680
 681         phba->sysfs_mbox.offset = off + count;
 682
 683         spin_unlock_irq(host->host_lock);
 684
 685         return count;
 686 }
 687
 688 static ssize_t
 689 sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
 690 {
 691         struct Scsi_Host *host =
 692                 class_to_shost(container_of(kobj, struct class_device,
 693                                             kobj));
 694         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 695         int rc;
 696
 697         if (off > sizeof(MAILBOX_t))
 698                 return -ERANGE;
 699
 700         if ((count + off) > sizeof(MAILBOX_t))
 701                 count = sizeof(MAILBOX_t) - off;
 702
 703         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
 704                 return -EINVAL;
 705
 706         if (off && count == 0)
 707                 return 0;
 708
 709         spin_lock_irq(phba->host->host_lock);
 710
 711         if (off == 0 &&
 712             phba->sysfs_mbox.state  == SMBOX_WRITING &&
 713             phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
 714
 715                 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
 716                         /* Offline only */
 717                 case MBX_WRITE_NV:
 718                 case MBX_INIT_LINK:
 719                 case MBX_DOWN_LINK:
 720                 case MBX_CONFIG_LINK:
 721                 case MBX_CONFIG_RING:
 722                 case MBX_RESET_RING:
 723                 case MBX_UNREG_LOGIN:
 724                 case MBX_CLEAR_LA:
 725                 case MBX_DUMP_CONTEXT:
 726                 case MBX_RUN_DIAGS:
 727                 case MBX_RESTART:
 728                 case MBX_FLASH_WR_ULA:
 729                 case MBX_SET_MASK:
 730                 case MBX_SET_SLIM:
 731                 case MBX_SET_DEBUG:
 732                         if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
 733                                 printk(KERN_WARNING "mbox_read:Command 0x%x "
 734                                        "is illegal in on-line state\n",
 735                                        phba->sysfs_mbox.mbox->mb.mbxCommand);
 736                                 sysfs_mbox_idle(phba);
 737                                 spin_unlock_irq(phba->host->host_lock);
 738                                 return -EPERM;
 739                         }
 740                 case MBX_LOAD_SM:
 741                 case MBX_READ_NV:
 742                 case MBX_READ_CONFIG:
 743                 case MBX_READ_RCONFIG:
 744                 case MBX_READ_STATUS:
 745                 case MBX_READ_XRI:
 746                 case MBX_READ_REV:
 747                 case MBX_READ_LNK_STAT:
 748                 case MBX_DUMP_MEMORY:
 749                 case MBX_DOWN_LOAD:
 750                 case MBX_UPDATE_CFG:
 751                 case MBX_LOAD_AREA:
 752                 case MBX_LOAD_EXP_ROM:
 753                         break;
 754                 case MBX_READ_SPARM64:
 755                 case MBX_READ_LA:
 756                 case MBX_READ_LA64:
 757                 case MBX_REG_LOGIN:
 758                 case MBX_REG_LOGIN64:
 759                 case MBX_CONFIG_PORT:
 760                 case MBX_RUN_BIU_DIAG:
 761                         printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
 762                                phba->sysfs_mbox.mbox->mb.mbxCommand);
 763                         sysfs_mbox_idle(phba);
 764                         spin_unlock_irq(phba->host->host_lock);
 765                         return -EPERM;
 766                 default:
 767                         printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
 768                                phba->sysfs_mbox.mbox->mb.mbxCommand);
 769                         sysfs_mbox_idle(phba);
 770                         spin_unlock_irq(phba->host->host_lock);
 771                         return -EPERM;
 772                 }
 773
 774                 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
 775                     (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
 776
 777                         spin_unlock_irq(phba->host->host_lock);
 778                         rc = lpfc_sli_issue_mbox (phba,
 779                                                   phba->sysfs_mbox.mbox,
 780                                                   MBX_POLL);
 781                         spin_lock_irq(phba->host->host_lock);
 782
 783                 } else {
 784                         spin_unlock_irq(phba->host->host_lock);
 785                         rc = lpfc_sli_issue_mbox_wait (phba,
 786                                                        phba->sysfs_mbox.mbox,
 787                                                        phba->fc_ratov * 2);
 788                         spin_lock_irq(phba->host->host_lock);
 789                 }
 790
 791                 if (rc != MBX_SUCCESS) {
 792                         sysfs_mbox_idle(phba);
 793                         spin_unlock_irq(host->host_lock);
 794                         return -ENODEV;
 795                 }
 796                 phba->sysfs_mbox.state = SMBOX_READING;
 797         }
 798         else if (phba->sysfs_mbox.offset != off ||
 799                  phba->sysfs_mbox.state  != SMBOX_READING) {
 800                 printk(KERN_WARNING  "mbox_read: Bad State\n");
 801                 sysfs_mbox_idle(phba);
 802                 spin_unlock_irq(host->host_lock);
 803                 return -EINVAL;
 804         }
 805
 806         memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
 807
 808         phba->sysfs_mbox.offset = off + count;
 809
 810         if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
 811                 sysfs_mbox_idle(phba);
 812
 813         spin_unlock_irq(phba->host->host_lock);
 814
 815         return count;
 816 }
 817
 818 static struct bin_attribute sysfs_mbox_attr = {
 819         .attr = {
 820                 .name = "mbox",
 821                 .mode = S_IRUSR | S_IWUSR,
 822                 .owner = THIS_MODULE,
 823         },
 824         .size = sizeof(MAILBOX_t),
 825         .read = sysfs_mbox_read,
 826         .write = sysfs_mbox_write,
 827 };
 828
 829 int
 830 lpfc_alloc_sysfs_attr(struct lpfc_hba *phba)
 831 {
 832         struct Scsi_Host *host = phba->host;
 833         int error;
 834
 835         error = sysfs_create_bin_file(&host->shost_classdev.kobj,
 836                                                         &sysfs_ctlreg_attr);
 837         if (error)
 838                 goto out;
 839
 840         error = sysfs_create_bin_file(&host->shost_classdev.kobj,
 841                                                         &sysfs_mbox_attr);
 842         if (error)
 843                 goto out_remove_ctlreg_attr;
 844
 845         return 0;
 846 out_remove_ctlreg_attr:
 847         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
 848 out:
 849         return error;
 850 }
 851
 852 void
 853 lpfc_free_sysfs_attr(struct lpfc_hba *phba)
 854 {
 855         struct Scsi_Host *host = phba->host;
 856
 857         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
 858         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
 859 }
 860
 861
 862 /*
 863  * Dynamic FC Host Attributes Support
 864  */
 865
 866 static void
 867 lpfc_get_host_port_id(struct Scsi_Host *shost)
 868 {
 869         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
 870         /* note: fc_myDID already in cpu endianness */
 871         fc_host_port_id(shost) = phba->fc_myDID;
 872 }
 873
 874 static void
 875 lpfc_get_host_port_type(struct Scsi_Host *shost)
 876 {
 877         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
 878
 879         spin_lock_irq(shost->host_lock);
 880
 881         if (phba->hba_state == LPFC_HBA_READY) {
 882                 if (phba->fc_topology == TOPOLOGY_LOOP) {
 883                         if (phba->fc_flag & FC_PUBLIC_LOOP)
 884                                 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
 885                         else
 886                                 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
 887                 } else {
 888                         if (phba->fc_flag & FC_FABRIC)
 889                                 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
 890                         else
 891                                 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
 892                 }
 893         } else
 894                 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
 895
 896         spin_unlock_irq(shost->host_lock);
 897 }
 898
 899 static void
 900 lpfc_get_host_port_state(struct Scsi_Host *shost)
 901 {
 902         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
 903
 904         spin_lock_irq(shost->host_lock);
 905
 906         if (phba->fc_flag & FC_OFFLINE_MODE)
 907                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
 908         else {
 909                 switch (phba->hba_state) {
 910                 case LPFC_INIT_START:
 911                 case LPFC_INIT_MBX_CMDS:
 912                 case LPFC_LINK_DOWN:
 913                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
 914                         break;
 915                 case LPFC_LINK_UP:
 916                 case LPFC_LOCAL_CFG_LINK:
 917                 case LPFC_FLOGI:
 918                 case LPFC_FABRIC_CFG_LINK:
 919                 case LPFC_NS_REG:
 920                 case LPFC_NS_QRY:
 921                 case LPFC_BUILD_DISC_LIST:
 922                 case LPFC_DISC_AUTH:
 923                 case LPFC_CLEAR_LA:
 924                 case LPFC_HBA_READY:
 925                         /* Links up, beyond this port_type reports state */
 926                         fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
 927                         break;
 928                 case LPFC_HBA_ERROR:
 929                         fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
 930                         break;
 931                 default:
 932                         fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
 933                         break;
 934                 }
 935         }
 936
 937         spin_unlock_irq(shost->host_lock);
 938 }
 939
 940 static void
 941 lpfc_get_host_speed(struct Scsi_Host *shost)
 942 {
 943         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
 944
 945         spin_lock_irq(shost->host_lock);
 946
 947         if (phba->hba_state == LPFC_HBA_READY) {
 948                 switch(phba->fc_linkspeed) {
 949                         case LA_1GHZ_LINK:
 950                                 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
 951                         break;
 952                         case LA_2GHZ_LINK:
 953                                 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
 954                         break;
 955                         case LA_4GHZ_LINK:
 956                                 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
 957                         break;
 958                         default:
 959                                 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
 960                         break;
 961                 }
 962         }
 963
 964         spin_unlock_irq(shost->host_lock);
 965 }
 966
 967 static void
 968 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
 969 {
 970         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
 971         u64 nodename;
 972
 973         spin_lock_irq(shost->host_lock);
 974
 975         if ((phba->fc_flag & FC_FABRIC) ||
 976             ((phba->fc_topology == TOPOLOGY_LOOP) &&
 977              (phba->fc_flag & FC_PUBLIC_LOOP)))
 978                 memcpy(&nodename, &phba->fc_fabparam.nodeName, sizeof(u64));
 979         else
 980                 /* fabric is local port if there is no F/FL_Port */
 981                 memcpy(&nodename, &phba->fc_nodename, sizeof(u64));
 982
 983         spin_unlock_irq(shost->host_lock);
 984
 985         fc_host_fabric_name(shost) = be64_to_cpu(nodename);
 986 }
 987
 988
 989 static struct fc_host_statistics *
 990 lpfc_get_stats(struct Scsi_Host *shost)
 991 {
 992         struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
 993         struct lpfc_sli *psli = &phba->sli;
 994         struct fc_host_statistics *hs =
 995                         (struct fc_host_statistics *)phba->link_stats;
 996         LPFC_MBOXQ_t *pmboxq;
 997         MAILBOX_t *pmb;
 998         int rc=0;
 999
1000         pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1001         if (!pmboxq)
1002                 return NULL;
1003         memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1004
1005         pmb = &pmboxq->mb;
1006         pmb->mbxCommand = MBX_READ_STATUS;
1007         pmb->mbxOwner = OWN_HOST;
1008         pmboxq->context1 = NULL;
1009
1010         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1011             (!(psli->sli_flag & LPFC_SLI2_ACTIVE))){
1012                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1013         } else
1014                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1015
1016         if (rc != MBX_SUCCESS) {
1017                 if (pmboxq) {
1018                         if (rc == MBX_TIMEOUT)
1019                                 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1020                         else
1021                                 mempool_free( pmboxq, phba->mbox_mem_pool);
1022                 }
1023                 return NULL;
1024         }
1025
1026         hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1027         hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1028         hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1029         hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1030
1031         memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1032         pmb->mbxCommand = MBX_READ_LNK_STAT;
1033         pmb->mbxOwner = OWN_HOST;
1034         pmboxq->context1 = NULL;
1035
1036         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1037             (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) {
1038                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1039         } else
1040                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1041
1042         if (rc != MBX_SUCCESS) {
1043                 if (pmboxq) {
1044                         if (rc == MBX_TIMEOUT)
1045                                 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1046                         else
1047                                 mempool_free( pmboxq, phba->mbox_mem_pool);
1048                 }
1049                 return NULL;
1050         }
1051
1052         hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1053         hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1054         hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1055         hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1056         hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1057         hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1058         hs->error_frames = pmb->un.varRdLnk.crcCnt;
1059
1060         if (phba->fc_topology == TOPOLOGY_LOOP) {
1061                 hs->lip_count = (phba->fc_eventTag >> 1);
1062                 hs->nos_count = -1;
1063         } else {
1064                 hs->lip_count = -1;
1065                 hs->nos_count = (phba->fc_eventTag >> 1);
1066         }
1067
1068         hs->dumped_frames = -1;
1069
1070 /* FIX ME */
1071         /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/
1072
1073         return hs;
1074 }
1075
1076
1077 /*
1078  * The LPFC driver treats linkdown handling as target loss events so there
1079  * are no sysfs handlers for link_down_tmo.
1080  */
1081 static void
1082 lpfc_get_starget_port_id(struct scsi_target *starget)
1083 {
1084         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1085         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1086         uint32_t did = -1;
1087         struct lpfc_nodelist *ndlp = NULL;
1088
1089         spin_lock_irq(shost->host_lock);
1090         /* Search the mapped list for this target ID */
1091         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1092                 if (starget->id == ndlp->nlp_sid) {
1093                         did = ndlp->nlp_DID;
1094                         break;
1095                 }
1096         }
1097         spin_unlock_irq(shost->host_lock);
1098
1099         fc_starget_port_id(starget) = did;
1100 }
1101
1102 static void
1103 lpfc_get_starget_node_name(struct scsi_target *starget)
1104 {
1105         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1106         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1107         uint64_t node_name = 0;
1108         struct lpfc_nodelist *ndlp = NULL;
1109
1110         spin_lock_irq(shost->host_lock);
1111         /* Search the mapped list for this target ID */
1112         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1113                 if (starget->id == ndlp->nlp_sid) {
1114                         memcpy(&node_name, &ndlp->nlp_nodename,
1115                                                 sizeof(struct lpfc_name));
1116                         break;
1117                 }
1118         }
1119         spin_unlock_irq(shost->host_lock);
1120
1121         fc_starget_node_name(starget) = be64_to_cpu(node_name);
1122 }
1123
1124 static void
1125 lpfc_get_starget_port_name(struct scsi_target *starget)
1126 {
1127         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1128         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1129         uint64_t port_name = 0;
1130         struct lpfc_nodelist *ndlp = NULL;
1131
1132         spin_lock_irq(shost->host_lock);
1133         /* Search the mapped list for this target ID */
1134         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1135                 if (starget->id == ndlp->nlp_sid) {
1136                         memcpy(&port_name, &ndlp->nlp_portname,
1137                                                 sizeof(struct lpfc_name));
1138                         break;
1139                 }
1140         }
1141         spin_unlock_irq(shost->host_lock);
1142
1143         fc_starget_port_name(starget) = be64_to_cpu(port_name);
1144 }
1145
1146 static void
1147 lpfc_get_rport_loss_tmo(struct fc_rport *rport)
1148 {
1149         /*
1150          * Return the driver's global value for device loss timeout plus
1151          * five seconds to allow the driver's nodev timer to run.
1152          */
1153         rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1154 }
1155
1156 static void
1157 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1158 {
1159         /*
1160          * The driver doesn't have a per-target timeout setting.  Set
1161          * this value globally. lpfc_nodev_tmo should be greater then 0.
1162          */
1163         if (timeout)
1164                 lpfc_nodev_tmo = timeout;
1165         else
1166                 lpfc_nodev_tmo = 1;
1167         rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1168 }
1169
1170
1171 #define lpfc_rport_show_function(field, format_string, sz, cast)        \
1172 static ssize_t                                                          \
1173 lpfc_show_rport_##field (struct class_device *cdev, char *buf)          \
1174 {                                                                       \
1175         struct fc_rport *rport = transport_class_to_rport(cdev);        \
1176         struct lpfc_rport_data *rdata = rport->hostdata;                \
1177         return snprintf(buf, sz, format_string,                         \
1178                 (rdata->target) ? cast rdata->target->field : 0);       \
1179 }
1180
1181 #define lpfc_rport_rd_attr(field, format_string, sz)                    \
1182         lpfc_rport_show_function(field, format_string, sz, )            \
1183 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
1184
1185
1186 struct fc_function_template lpfc_transport_functions = {
1187         /* fixed attributes the driver supports */
1188         .show_host_node_name = 1,
1189         .show_host_port_name = 1,
1190         .show_host_supported_classes = 1,
1191         .show_host_supported_fc4s = 1,
1192         .show_host_symbolic_name = 1,
1193         .show_host_supported_speeds = 1,
1194         .show_host_maxframe_size = 1,
1195
1196         /* dynamic attributes the driver supports */
1197         .get_host_port_id = lpfc_get_host_port_id,
1198         .show_host_port_id = 1,
1199
1200         .get_host_port_type = lpfc_get_host_port_type,
1201         .show_host_port_type = 1,
1202
1203         .get_host_port_state = lpfc_get_host_port_state,
1204         .show_host_port_state = 1,
1205
1206         /* active_fc4s is shown but doesn't change (thus no get function) */
1207         .show_host_active_fc4s = 1,
1208
1209         .get_host_speed = lpfc_get_host_speed,
1210         .show_host_speed = 1,
1211
1212         .get_host_fabric_name = lpfc_get_host_fabric_name,
1213         .show_host_fabric_name = 1,
1214
1215         /*
1216          * The LPFC driver treats linkdown handling as target loss events
1217          * so there are no sysfs handlers for link_down_tmo.
1218          */
1219
1220         .get_fc_host_stats = lpfc_get_stats,
1221
1222         /* the LPFC driver doesn't support resetting stats yet */
1223
1224         .dd_fcrport_size = sizeof(struct lpfc_rport_data),
1225         .show_rport_maxframe_size = 1,
1226         .show_rport_supported_classes = 1,
1227
1228         .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo,
1229         .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
1230         .show_rport_dev_loss_tmo = 1,
1231
1232         .get_starget_port_id  = lpfc_get_starget_port_id,
1233         .show_starget_port_id = 1,
1234
1235         .get_starget_node_name = lpfc_get_starget_node_name,
1236         .show_starget_node_name = 1,
1237
1238         .get_starget_port_name = lpfc_get_starget_port_name,
1239         .show_starget_port_name = 1,
1240 };
1241
1242 void
1243 lpfc_get_cfgparam(struct lpfc_hba *phba)
1244 {
1245         phba->cfg_log_verbose = lpfc_log_verbose;
1246         phba->cfg_cr_delay = lpfc_cr_delay;
1247         phba->cfg_cr_count = lpfc_cr_count;
1248         phba->cfg_lun_queue_depth = lpfc_lun_queue_depth;
1249         phba->cfg_fcp_class = lpfc_fcp_class;
1250         phba->cfg_use_adisc = lpfc_use_adisc;
1251         phba->cfg_ack0 = lpfc_ack0;
1252         phba->cfg_topology = lpfc_topology;
1253         phba->cfg_scan_down = lpfc_scan_down;
1254         phba->cfg_nodev_tmo = lpfc_nodev_tmo;
1255         phba->cfg_link_speed = lpfc_link_speed;
1256         phba->cfg_fdmi_on = lpfc_fdmi_on;
1257         phba->cfg_discovery_threads = lpfc_discovery_threads;
1258         phba->cfg_max_luns = lpfc_max_luns;
1259
1260         /*
1261          * The total number of segments is the configuration value plus 2
1262          * since the IOCB need a command and response bde.
1263          */
1264         phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
1265
1266         /*
1267          * Since the sg_tablesize is module parameter, the sg_dma_buf_size
1268          * used to create the sg_dma_buf_pool must be dynamically calculated
1269          */
1270         phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
1271                         sizeof(struct fcp_rsp) +
1272                         (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
1273
1274         switch (phba->pcidev->device) {
1275         case PCI_DEVICE_ID_LP101:
1276         case PCI_DEVICE_ID_BSMB:
1277         case PCI_DEVICE_ID_ZSMB:
1278                 phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
1279                 break;
1280         case PCI_DEVICE_ID_RFLY:
1281         case PCI_DEVICE_ID_PFLY:
1282         case PCI_DEVICE_ID_BMID:
1283         case PCI_DEVICE_ID_ZMID:
1284         case PCI_DEVICE_ID_TFLY:
1285                 phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
1286                 break;
1287         default:
1288                 phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
1289         }
1290         return;
1291 }