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