Pileus Git - ~andy/linux/blob - drivers/scsi/lpfc/lpfc_attr.c

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2004-2005 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 int
 204 lpfc_issue_lip(struct Scsi_Host *host)
 205 {
 206         struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0];
 207         LPFC_MBOXQ_t *pmboxq;
 208         int mbxstatus = MBXERR_ERROR;
 209
 210         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
 211             (phba->hba_state != LPFC_HBA_READY))
 212                 return -EPERM;
 213
 214         pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
 215
 216         if (!pmboxq)
 217                 return -ENOMEM;
 218
 219         memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
 220         lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed);
 221         mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
 222
 223         if (mbxstatus == MBX_TIMEOUT)
 224                 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 225         else
 226                 mempool_free( pmboxq, phba->mbox_mem_pool);
 227
 228         if (mbxstatus == MBXERR_ERROR)
 229                 return -EIO;
 230
 231         return 0;
 232 }
 233
 234 static ssize_t
 235 lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
 236 {
 237         struct Scsi_Host *host = class_to_shost(cdev);
 238         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 239         return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
 240 }
 241
 242 static ssize_t
 243 lpfc_board_online_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
 248         if (!phba) return 0;
 249
 250         if (phba->fc_flag & FC_OFFLINE_MODE)
 251                 return snprintf(buf, PAGE_SIZE, "0\n");
 252         else
 253                 return snprintf(buf, PAGE_SIZE, "1\n");
 254 }
 255
 256 static ssize_t
 257 lpfc_board_online_store(struct class_device *cdev, const char *buf,
 258                                                                 size_t count)
 259 {
 260         struct Scsi_Host *host = class_to_shost(cdev);
 261         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 262         struct completion online_compl;
 263         int val=0, status=0;
 264
 265         if (sscanf(buf, "%d", &val) != 1)
 266                 return 0;
 267
 268         init_completion(&online_compl);
 269
 270         if (val)
 271                 lpfc_workq_post_event(phba, &status, &online_compl,
 272                                                         LPFC_EVT_ONLINE);
 273         else
 274                 lpfc_workq_post_event(phba, &status, &online_compl,
 275                                                         LPFC_EVT_OFFLINE);
 276         wait_for_completion(&online_compl);
 277         if (!status)
 278                 return strlen(buf);
 279         else
 280                 return 0;
 281 }
 282
 283
 284 #define lpfc_param_show(attr)   \
 285 static ssize_t \
 286 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
 287 { \
 288         struct Scsi_Host *host = class_to_shost(cdev);\
 289         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
 290         int val = 0;\
 291         if (phba){\
 292                 val = phba->cfg_##attr;\
 293                 return snprintf(buf, PAGE_SIZE, "%d\n",\
 294                                 phba->cfg_##attr);\
 295         }\
 296         return 0;\
 297 }
 298
 299 #define lpfc_param_store(attr, minval, maxval)  \
 300 static ssize_t \
 301 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
 302 { \
 303         struct Scsi_Host *host = class_to_shost(cdev);\
 304         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
 305         int val = 0;\
 306         if (!isdigit(buf[0]))\
 307                 return -EINVAL;\
 308         if (sscanf(buf, "0x%x", &val) != 1)\
 309                 if (sscanf(buf, "%d", &val) != 1)\
 310                         return -EINVAL;\
 311         if (phba){\
 312                 if (val >= minval && val <= maxval) {\
 313                         phba->cfg_##attr = val;\
 314                         return strlen(buf);\
 315                 }\
 316         }\
 317         return 0;\
 318 }
 319
 320 #define LPFC_ATTR_R_NOINIT(name, desc) \
 321 extern int lpfc_##name;\
 322 module_param(lpfc_##name, int, 0);\
 323 MODULE_PARM_DESC(lpfc_##name, desc);\
 324 lpfc_param_show(name)\
 325 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
 326
 327 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
 328 static int lpfc_##name = defval;\
 329 module_param(lpfc_##name, int, 0);\
 330 MODULE_PARM_DESC(lpfc_##name, desc);\
 331 lpfc_param_show(name)\
 332 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
 333
 334 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
 335 static int lpfc_##name = defval;\
 336 module_param(lpfc_##name, int, 0);\
 337 MODULE_PARM_DESC(lpfc_##name, desc);\
 338 lpfc_param_show(name)\
 339 lpfc_param_store(name, minval, maxval)\
 340 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
 341                          lpfc_##name##_show, lpfc_##name##_store)
 342
 343 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
 344 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
 345 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
 346 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
 347 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
 348 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
 349 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
 350 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
 351 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
 352 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
 353                                         lpfc_option_rom_version_show, NULL);
 354 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
 355                                         lpfc_num_discovered_ports_show, NULL);
 356 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
 357 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
 358                          NULL);
 359 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
 360                          NULL);
 361 static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
 362                          lpfc_board_online_show, lpfc_board_online_store);
 363
 364
 365 /*
 366 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
 367 # deluged with LOTS of information.
 368 # You can set a bit mask to record specific types of verbose messages:
 369 #
 370 # LOG_ELS                       0x1        ELS events
 371 # LOG_DISCOVERY                 0x2        Link discovery events
 372 # LOG_MBOX                      0x4        Mailbox events
 373 # LOG_INIT                      0x8        Initialization events
 374 # LOG_LINK_EVENT                0x10       Link events
 375 # LOG_IP                        0x20       IP traffic history
 376 # LOG_FCP                       0x40       FCP traffic history
 377 # LOG_NODE                      0x80       Node table events
 378 # LOG_MISC                      0x400      Miscellaneous events
 379 # LOG_SLI                       0x800      SLI events
 380 # LOG_CHK_COND                  0x1000     FCP Check condition flag
 381 # LOG_LIBDFC                    0x2000     LIBDFC events
 382 # LOG_ALL_MSG                   0xffff     LOG all messages
 383 */
 384 LPFC_ATTR_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
 385
 386 /*
 387 # lun_queue_depth:  This parameter is used to limit the number of outstanding
 388 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
 389 */
 390 LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
 391             "Max number of FCP commands we can queue to a specific LUN");
 392
 393 /*
 394 # Some disk devices have a "select ID" or "select Target" capability.
 395 # From a protocol standpoint "select ID" usually means select the
 396 # Fibre channel "ALPA".  In the FC-AL Profile there is an "informative
 397 # annex" which contains a table that maps a "select ID" (a number
 398 # between 0 and 7F) to an ALPA.  By default, for compatibility with
 399 # older drivers, the lpfc driver scans this table from low ALPA to high
 400 # ALPA.
 401 #
 402 # Turning on the scan-down variable (on  = 1, off = 0) will
 403 # cause the lpfc driver to use an inverted table, effectively
 404 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
 405 #
 406 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
 407 # and will not work across a fabric. Also this parameter will take
 408 # effect only in the case when ALPA map is not available.)
 409 */
 410 LPFC_ATTR_R(scan_down, 1, 0, 1,
 411              "Start scanning for devices from highest ALPA to lowest");
 412
 413 /*
 414 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
 415 # until the timer expires. Value range is [0,255]. Default value is 20.
 416 # NOTE: this MUST be less then the SCSI Layer command timeout - 1.
 417 */
 418 LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
 419              "Seconds driver will hold I/O waiting for a device to come back");
 420
 421 /*
 422 # lpfc_topology:  link topology for init link
 423 #            0x0  = attempt loop mode then point-to-point
 424 #            0x02 = attempt point-to-point mode only
 425 #            0x04 = attempt loop mode only
 426 #            0x06 = attempt point-to-point mode then loop
 427 # Set point-to-point mode if you want to run as an N_Port.
 428 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
 429 # Default value is 0.
 430 */
 431 LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology");
 432
 433 /*
 434 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
 435 # connection.
 436 #       0  = auto select (default)
 437 #       1  = 1 Gigabaud
 438 #       2  = 2 Gigabaud
 439 #       4  = 4 Gigabaud
 440 # Value range is [0,4]. Default value is 0.
 441 */
 442 LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
 443
 444 /*
 445 # lpfc_fcp_class:  Determines FC class to use for the FCP protocol.
 446 # Value range is [2,3]. Default value is 3.
 447 */
 448 LPFC_ATTR_R(fcp_class, 3, 2, 3,
 449              "Select Fibre Channel class of service for FCP sequences");
 450
 451 /*
 452 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
 453 # is [0,1]. Default value is 0.
 454 */
 455 LPFC_ATTR_RW(use_adisc, 0, 0, 1,
 456              "Use ADISC on rediscovery to authenticate FCP devices");
 457
 458 /*
 459 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
 460 # range is [0,1]. Default value is 0.
 461 */
 462 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
 463
 464 /*
 465 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
 466 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
 467 # value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
 468 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
 469 # cr_delay is set to 0.
 470 */
 471 static int lpfc_cr_delay = 0;
 472 module_param(lpfc_cr_delay, int , 0);
 473 MODULE_PARM_DESC(lpfc_cr_delay, "A count of milliseconds after which an "
 474                 "interrupt response is generated");
 475
 476 static int lpfc_cr_count = 1;
 477 module_param(lpfc_cr_count, int, 0);
 478 MODULE_PARM_DESC(lpfc_cr_count, "A count of I/O completions after which an "
 479                 "interrupt response is generated");
 480
 481 /*
 482 # lpfc_fdmi_on: controls FDMI support.
 483 #       0 = no FDMI support
 484 #       1 = support FDMI without attribute of hostname
 485 #       2 = support FDMI with attribute of hostname
 486 # Value range [0,2]. Default value is 0.
 487 */
 488 LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
 489
 490 /*
 491 # Specifies the maximum number of ELS cmds we can have outstanding (for
 492 # discovery). Value range is [1,64]. Default value = 32.
 493 */
 494 static int lpfc_discovery_threads = 32;
 495 module_param(lpfc_discovery_threads, int, 0);
 496 MODULE_PARM_DESC(lpfc_discovery_threads, "Maximum number of ELS commands "
 497                  "during discovery");
 498
 499 /*
 500 # lpfc_max_luns: maximum number of LUNs per target driver will support
 501 # Value range is [1,32768]. Default value is 256.
 502 # NOTE: The SCSI layer will scan each target for this many luns
 503 */
 504 LPFC_ATTR_R(max_luns, 256, 1, 32768,
 505              "Maximum number of LUNs per target driver will support");
 506
 507 struct class_device_attribute *lpfc_host_attrs[] = {
 508         &class_device_attr_info,
 509         &class_device_attr_serialnum,
 510         &class_device_attr_modeldesc,
 511         &class_device_attr_modelname,
 512         &class_device_attr_programtype,
 513         &class_device_attr_portnum,
 514         &class_device_attr_fwrev,
 515         &class_device_attr_hdw,
 516         &class_device_attr_option_rom_version,
 517         &class_device_attr_state,
 518         &class_device_attr_num_discovered_ports,
 519         &class_device_attr_lpfc_drvr_version,
 520         &class_device_attr_lpfc_log_verbose,
 521         &class_device_attr_lpfc_lun_queue_depth,
 522         &class_device_attr_lpfc_nodev_tmo,
 523         &class_device_attr_lpfc_fcp_class,
 524         &class_device_attr_lpfc_use_adisc,
 525         &class_device_attr_lpfc_ack0,
 526         &class_device_attr_lpfc_topology,
 527         &class_device_attr_lpfc_scan_down,
 528         &class_device_attr_lpfc_link_speed,
 529         &class_device_attr_lpfc_fdmi_on,
 530         &class_device_attr_lpfc_max_luns,
 531         &class_device_attr_nport_evt_cnt,
 532         &class_device_attr_management_version,
 533         &class_device_attr_board_online,
 534         NULL,
 535 };
 536
 537 static ssize_t
 538 sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
 539 {
 540         size_t buf_off;
 541         struct Scsi_Host *host = class_to_shost(container_of(kobj,
 542                                              struct class_device, kobj));
 543         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 544
 545         if ((off + count) > FF_REG_AREA_SIZE)
 546                 return -ERANGE;
 547
 548         if (count == 0) return 0;
 549
 550         if (off % 4 || count % 4 || (unsigned long)buf % 4)
 551                 return -EINVAL;
 552
 553         spin_lock_irq(phba->host->host_lock);
 554
 555         if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
 556                 spin_unlock_irq(phba->host->host_lock);
 557                 return -EPERM;
 558         }
 559
 560         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
 561                 writel(*((uint32_t *)(buf + buf_off)),
 562                        phba->ctrl_regs_memmap_p + off + buf_off);
 563
 564         spin_unlock_irq(phba->host->host_lock);
 565
 566         return count;
 567 }
 568
 569 static ssize_t
 570 sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
 571 {
 572         size_t buf_off;
 573         uint32_t * tmp_ptr;
 574         struct Scsi_Host *host = class_to_shost(container_of(kobj,
 575                                              struct class_device, kobj));
 576         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 577
 578         if (off > FF_REG_AREA_SIZE)
 579                 return -ERANGE;
 580
 581         if ((off + count) > FF_REG_AREA_SIZE)
 582                 count = FF_REG_AREA_SIZE - off;
 583
 584         if (count == 0) return 0;
 585
 586         if (off % 4 || count % 4 || (unsigned long)buf % 4)
 587                 return -EINVAL;
 588
 589         spin_lock_irq(phba->host->host_lock);
 590
 591         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
 592                 tmp_ptr = (uint32_t *)(buf + buf_off);
 593                 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
 594         }
 595
 596         spin_unlock_irq(phba->host->host_lock);
 597
 598         return count;
 599 }
 600
 601 static struct bin_attribute sysfs_ctlreg_attr = {
 602         .attr = {
 603                 .name = "ctlreg",
 604                 .mode = S_IRUSR | S_IWUSR,
 605                 .owner = THIS_MODULE,
 606         },
 607         .size = 256,
 608         .read = sysfs_ctlreg_read,
 609         .write = sysfs_ctlreg_write,
 610 };
 611
 612
 613 static void
 614 sysfs_mbox_idle (struct lpfc_hba * phba)
 615 {
 616         phba->sysfs_mbox.state = SMBOX_IDLE;
 617         phba->sysfs_mbox.offset = 0;
 618
 619         if (phba->sysfs_mbox.mbox) {
 620                 mempool_free(phba->sysfs_mbox.mbox,
 621                              phba->mbox_mem_pool);
 622                 phba->sysfs_mbox.mbox = NULL;
 623         }
 624 }
 625
 626 static ssize_t
 627 sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
 628 {
 629         struct Scsi_Host * host =
 630                 class_to_shost(container_of(kobj, struct class_device, kobj));
 631         struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0];
 632         struct lpfcMboxq * mbox = NULL;
 633
 634         if ((count + off) > MAILBOX_CMD_SIZE)
 635                 return -ERANGE;
 636
 637         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
 638                 return -EINVAL;
 639
 640         if (count == 0)
 641                 return 0;
 642
 643         if (off == 0) {
 644                 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 645                 if (!mbox)
 646                         return -ENOMEM;
 647
 648         }
 649
 650         spin_lock_irq(host->host_lock);
 651
 652         if (off == 0) {
 653                 if (phba->sysfs_mbox.mbox)
 654                         mempool_free(mbox, phba->mbox_mem_pool);
 655                 else
 656                         phba->sysfs_mbox.mbox = mbox;
 657                 phba->sysfs_mbox.state = SMBOX_WRITING;
 658         } else {
 659                 if (phba->sysfs_mbox.state  != SMBOX_WRITING ||
 660                     phba->sysfs_mbox.offset != off           ||
 661                     phba->sysfs_mbox.mbox   == NULL ) {
 662                         sysfs_mbox_idle(phba);
 663                         spin_unlock_irq(host->host_lock);
 664                         return -EINVAL;
 665                 }
 666         }
 667
 668         memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
 669                buf, count);
 670
 671         phba->sysfs_mbox.offset = off + count;
 672
 673         spin_unlock_irq(host->host_lock);
 674
 675         return count;
 676 }
 677
 678 static ssize_t
 679 sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
 680 {
 681         struct Scsi_Host *host =
 682                 class_to_shost(container_of(kobj, struct class_device,
 683                                             kobj));
 684         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
 685         int rc;
 686
 687         if (off > sizeof(MAILBOX_t))
 688                 return -ERANGE;
 689
 690         if ((count + off) > sizeof(MAILBOX_t))
 691                 count = sizeof(MAILBOX_t) - off;
 692
 693         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
 694                 return -EINVAL;
 695
 696         if (off && count == 0)
 697                 return 0;
 698
 699         spin_lock_irq(phba->host->host_lock);
 700
 701         if (off == 0 &&
 702             phba->sysfs_mbox.state  == SMBOX_WRITING &&
 703             phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
 704
 705                 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
 706                         /* Offline only */
 707                 case MBX_WRITE_NV:
 708                 case MBX_INIT_LINK:
 709                 case MBX_DOWN_LINK:
 710                 case MBX_CONFIG_LINK:
 711                 case MBX_CONFIG_RING:
 712                 case MBX_RESET_RING:
 713                 case MBX_UNREG_LOGIN:
 714                 case MBX_CLEAR_LA:
 715                 case MBX_DUMP_CONTEXT:
 716                 case MBX_RUN_DIAGS:
 717                 case MBX_RESTART:
 718                 case MBX_FLASH_WR_ULA:
 719                 case MBX_SET_MASK:
 720                 case MBX_SET_SLIM:
 721                 case MBX_SET_DEBUG:
 722                         if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
 723                                 printk(KERN_WARNING "mbox_read:Command 0x%x "
 724                                        "is illegal in on-line state\n",
 725                                        phba->sysfs_mbox.mbox->mb.mbxCommand);
 726                                 sysfs_mbox_idle(phba);
 727                                 spin_unlock_irq(phba->host->host_lock);
 728                                 return -EPERM;
 729                         }
 730                 case MBX_LOAD_SM:
 731                 case MBX_READ_NV:
 732                 case MBX_READ_CONFIG:
 733                 case MBX_READ_RCONFIG:
 734                 case MBX_READ_STATUS:
 735                 case MBX_READ_XRI:
 736                 case MBX_READ_REV:
 737                 case MBX_READ_LNK_STAT:
 738                 case MBX_DUMP_MEMORY:
 739                 case MBX_DOWN_LOAD:
 740                 case MBX_UPDATE_CFG:
 741                 case MBX_LOAD_AREA:
 742                 case MBX_LOAD_EXP_ROM:
 743                         break;
 744                 case MBX_READ_SPARM64:
 745                 case MBX_READ_LA:
 746                 case MBX_READ_LA64:
 747                 case MBX_REG_LOGIN:
 748                 case MBX_REG_LOGIN64:
 749                 case MBX_CONFIG_PORT:
 750                 case MBX_RUN_BIU_DIAG:
 751                         printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
 752                                phba->sysfs_mbox.mbox->mb.mbxCommand);
 753                         sysfs_mbox_idle(phba);
 754                         spin_unlock_irq(phba->host->host_lock);
 755                         return -EPERM;
 756                 default:
 757                         printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
 758                                phba->sysfs_mbox.mbox->mb.mbxCommand);
 759                         sysfs_mbox_idle(phba);
 760                         spin_unlock_irq(phba->host->host_lock);
 761                         return -EPERM;
 762                 }
 763
 764                 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
 765                     (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
 766
 767                         spin_unlock_irq(phba->host->host_lock);
 768                         rc = lpfc_sli_issue_mbox (phba,
 769                                                   phba->sysfs_mbox.mbox,
 770                                                   MBX_POLL);
 771                         spin_lock_irq(phba->host->host_lock);
 772
 773                 } else {
 774                         spin_unlock_irq(phba->host->host_lock);
 775                         rc = lpfc_sli_issue_mbox_wait (phba,
 776                                                        phba->sysfs_mbox.mbox,
 777                                                        phba->fc_ratov * 2);
 778                         spin_lock_irq(phba->host->host_lock);
 779                 }
 780
 781                 if (rc != MBX_SUCCESS) {
 782                         sysfs_mbox_idle(phba);
 783                         spin_unlock_irq(host->host_lock);
 784                         return -ENODEV;
 785                 }
 786                 phba->sysfs_mbox.state = SMBOX_READING;
 787         }
 788         else if (phba->sysfs_mbox.offset != off ||
 789                  phba->sysfs_mbox.state  != SMBOX_READING) {
 790                 printk(KERN_WARNING  "mbox_read: Bad State\n");
 791                 sysfs_mbox_idle(phba);
 792                 spin_unlock_irq(host->host_lock);
 793                 return -EINVAL;
 794         }
 795
 796         memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
 797
 798         phba->sysfs_mbox.offset = off + count;
 799
 800         if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
 801                 sysfs_mbox_idle(phba);
 802
 803         spin_unlock_irq(phba->host->host_lock);
 804
 805         return count;
 806 }
 807
 808 static struct bin_attribute sysfs_mbox_attr = {
 809         .attr = {
 810                 .name = "mbox",
 811                 .mode = S_IRUSR | S_IWUSR,
 812                 .owner = THIS_MODULE,
 813         },
 814         .size = sizeof(MAILBOX_t),
 815         .read = sysfs_mbox_read,
 816         .write = sysfs_mbox_write,
 817 };
 818
 819 int
 820 lpfc_alloc_sysfs_attr(struct lpfc_hba *phba)
 821 {
 822         struct Scsi_Host *host = phba->host;
 823         int error;
 824
 825         error = sysfs_create_bin_file(&host->shost_classdev.kobj,
 826                                                         &sysfs_ctlreg_attr);
 827         if (error)
 828                 goto out;
 829
 830         error = sysfs_create_bin_file(&host->shost_classdev.kobj,
 831                                                         &sysfs_mbox_attr);
 832         if (error)
 833                 goto out_remove_ctlreg_attr;
 834
 835         return 0;
 836 out_remove_ctlreg_attr:
 837         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
 838 out:
 839         return error;
 840 }
 841
 842 void
 843 lpfc_free_sysfs_attr(struct lpfc_hba *phba)
 844 {
 845         struct Scsi_Host *host = phba->host;
 846
 847         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
 848         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
 849 }
 850
 851
 852 /*
 853  * Dynamic FC Host Attributes Support
 854  */
 855
 856 static void
 857 lpfc_get_host_port_id(struct Scsi_Host *shost)
 858 {
 859         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
 860         /* note: fc_myDID already in cpu endianness */
 861         fc_host_port_id(shost) = phba->fc_myDID;
 862 }
 863
 864 static void
 865 lpfc_get_host_port_type(struct Scsi_Host *shost)
 866 {
 867         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
 868
 869         spin_lock_irq(shost->host_lock);
 870
 871         if (phba->hba_state == LPFC_HBA_READY) {
 872                 if (phba->fc_topology == TOPOLOGY_LOOP) {
 873                         if (phba->fc_flag & FC_PUBLIC_LOOP)
 874                                 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
 875                         else
 876                                 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
 877                 } else {
 878                         if (phba->fc_flag & FC_FABRIC)
 879                                 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
 880                         else
 881                                 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
 882                 }
 883         } else
 884                 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
 885
 886         spin_unlock_irq(shost->host_lock);
 887 }
 888
 889 static void
 890 lpfc_get_host_port_state(struct Scsi_Host *shost)
 891 {
 892         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
 893
 894         spin_lock_irq(shost->host_lock);
 895
 896         if (phba->fc_flag & FC_OFFLINE_MODE)
 897                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
 898         else {
 899                 switch (phba->hba_state) {
 900                 case LPFC_INIT_START:
 901                 case LPFC_INIT_MBX_CMDS:
 902                 case LPFC_LINK_DOWN:
 903                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
 904                         break;
 905                 case LPFC_LINK_UP:
 906                 case LPFC_LOCAL_CFG_LINK:
 907                 case LPFC_FLOGI:
 908                 case LPFC_FABRIC_CFG_LINK:
 909                 case LPFC_NS_REG:
 910                 case LPFC_NS_QRY:
 911                 case LPFC_BUILD_DISC_LIST:
 912                 case LPFC_DISC_AUTH:
 913                 case LPFC_CLEAR_LA:
 914                 case LPFC_HBA_READY:
 915                         /* Links up, beyond this port_type reports state */
 916                         fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
 917                         break;
 918                 case LPFC_HBA_ERROR:
 919                         fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
 920                         break;
 921                 default:
 922                         fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
 923                         break;
 924                 }
 925         }
 926
 927         spin_unlock_irq(shost->host_lock);
 928 }
 929
 930 static void
 931 lpfc_get_host_speed(struct Scsi_Host *shost)
 932 {
 933         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
 934
 935         spin_lock_irq(shost->host_lock);
 936
 937         if (phba->hba_state == LPFC_HBA_READY) {
 938                 switch(phba->fc_linkspeed) {
 939                         case LA_1GHZ_LINK:
 940                                 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
 941                         break;
 942                         case LA_2GHZ_LINK:
 943                                 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
 944                         break;
 945                         case LA_4GHZ_LINK:
 946                                 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
 947                         break;
 948                         default:
 949                                 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
 950                         break;
 951                 }
 952         }
 953
 954         spin_unlock_irq(shost->host_lock);
 955 }
 956
 957 static void
 958 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
 959 {
 960         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
 961         u64 node_name;
 962
 963         spin_lock_irq(shost->host_lock);
 964
 965         if ((phba->fc_flag & FC_FABRIC) ||
 966             ((phba->fc_topology == TOPOLOGY_LOOP) &&
 967              (phba->fc_flag & FC_PUBLIC_LOOP)))
 968                 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
 969         else
 970                 /* fabric is local port if there is no F/FL_Port */
 971                 node_name = wwn_to_u64(phba->fc_nodename.u.wwn);
 972
 973         spin_unlock_irq(shost->host_lock);
 974
 975         fc_host_fabric_name(shost) = node_name;
 976 }
 977
 978
 979 static struct fc_host_statistics *
 980 lpfc_get_stats(struct Scsi_Host *shost)
 981 {
 982         struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
 983         struct lpfc_sli *psli = &phba->sli;
 984         struct fc_host_statistics *hs = &phba->link_stats;
 985         LPFC_MBOXQ_t *pmboxq;
 986         MAILBOX_t *pmb;
 987         int rc=0;
 988
 989         pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 990         if (!pmboxq)
 991                 return NULL;
 992         memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
 993
 994         pmb = &pmboxq->mb;
 995         pmb->mbxCommand = MBX_READ_STATUS;
 996         pmb->mbxOwner = OWN_HOST;
 997         pmboxq->context1 = NULL;
 998
 999         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1000             (!(psli->sli_flag & LPFC_SLI2_ACTIVE))){
1001                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1002         } else
1003                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1004
1005         if (rc != MBX_SUCCESS) {
1006                 if (pmboxq) {
1007                         if (rc == MBX_TIMEOUT)
1008                                 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1009                         else
1010                                 mempool_free( pmboxq, phba->mbox_mem_pool);
1011                 }
1012                 return NULL;
1013         }
1014
1015         memset(hs, 0, sizeof (struct fc_host_statistics));
1016
1017         hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1018         hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1019         hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1020         hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1021
1022         memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1023         pmb->mbxCommand = MBX_READ_LNK_STAT;
1024         pmb->mbxOwner = OWN_HOST;
1025         pmboxq->context1 = NULL;
1026
1027         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1028             (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) {
1029                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1030         } else
1031                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1032
1033         if (rc != MBX_SUCCESS) {
1034                 if (pmboxq) {
1035                         if (rc == MBX_TIMEOUT)
1036                                 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1037                         else
1038                                 mempool_free( pmboxq, phba->mbox_mem_pool);
1039                 }
1040                 return NULL;
1041         }
1042
1043         hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1044         hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1045         hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1046         hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1047         hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1048         hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1049         hs->error_frames = pmb->un.varRdLnk.crcCnt;
1050
1051         if (phba->fc_topology == TOPOLOGY_LOOP) {
1052                 hs->lip_count = (phba->fc_eventTag >> 1);
1053                 hs->nos_count = -1;
1054         } else {
1055                 hs->lip_count = -1;
1056                 hs->nos_count = (phba->fc_eventTag >> 1);
1057         }
1058
1059         hs->dumped_frames = -1;
1060
1061 /* FIX ME */
1062         /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/
1063
1064         return hs;
1065 }
1066
1067
1068 /*
1069  * The LPFC driver treats linkdown handling as target loss events so there
1070  * are no sysfs handlers for link_down_tmo.
1071  */
1072 static void
1073 lpfc_get_starget_port_id(struct scsi_target *starget)
1074 {
1075         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1076         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1077         uint32_t did = -1;
1078         struct lpfc_nodelist *ndlp = NULL;
1079
1080         spin_lock_irq(shost->host_lock);
1081         /* Search the mapped list for this target ID */
1082         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1083                 if (starget->id == ndlp->nlp_sid) {
1084                         did = ndlp->nlp_DID;
1085                         break;
1086                 }
1087         }
1088         spin_unlock_irq(shost->host_lock);
1089
1090         fc_starget_port_id(starget) = did;
1091 }
1092
1093 static void
1094 lpfc_get_starget_node_name(struct scsi_target *starget)
1095 {
1096         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1097         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1098         u64 node_name = 0;
1099         struct lpfc_nodelist *ndlp = NULL;
1100
1101         spin_lock_irq(shost->host_lock);
1102         /* Search the mapped list for this target ID */
1103         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1104                 if (starget->id == ndlp->nlp_sid) {
1105                         node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
1106                         break;
1107                 }
1108         }
1109         spin_unlock_irq(shost->host_lock);
1110
1111         fc_starget_node_name(starget) = node_name;
1112 }
1113
1114 static void
1115 lpfc_get_starget_port_name(struct scsi_target *starget)
1116 {
1117         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1118         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1119         u64 port_name = 0;
1120         struct lpfc_nodelist *ndlp = NULL;
1121
1122         spin_lock_irq(shost->host_lock);
1123         /* Search the mapped list for this target ID */
1124         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1125                 if (starget->id == ndlp->nlp_sid) {
1126                         port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
1127                         break;
1128                 }
1129         }
1130         spin_unlock_irq(shost->host_lock);
1131
1132         fc_starget_port_name(starget) = port_name;
1133 }
1134
1135 static void
1136 lpfc_get_rport_loss_tmo(struct fc_rport *rport)
1137 {
1138         /*
1139          * Return the driver's global value for device loss timeout plus
1140          * five seconds to allow the driver's nodev timer to run.
1141          */
1142         rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1143 }
1144
1145 static void
1146 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1147 {
1148         /*
1149          * The driver doesn't have a per-target timeout setting.  Set
1150          * this value globally. lpfc_nodev_tmo should be greater then 0.
1151          */
1152         if (timeout)
1153                 lpfc_nodev_tmo = timeout;
1154         else
1155                 lpfc_nodev_tmo = 1;
1156         rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1157 }
1158
1159
1160 #define lpfc_rport_show_function(field, format_string, sz, cast)        \
1161 static ssize_t                                                          \
1162 lpfc_show_rport_##field (struct class_device *cdev, char *buf)          \
1163 {                                                                       \
1164         struct fc_rport *rport = transport_class_to_rport(cdev);        \
1165         struct lpfc_rport_data *rdata = rport->hostdata;                \
1166         return snprintf(buf, sz, format_string,                         \
1167                 (rdata->target) ? cast rdata->target->field : 0);       \
1168 }
1169
1170 #define lpfc_rport_rd_attr(field, format_string, sz)                    \
1171         lpfc_rport_show_function(field, format_string, sz, )            \
1172 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
1173
1174
1175 struct fc_function_template lpfc_transport_functions = {
1176         /* fixed attributes the driver supports */
1177         .show_host_node_name = 1,
1178         .show_host_port_name = 1,
1179         .show_host_supported_classes = 1,
1180         .show_host_supported_fc4s = 1,
1181         .show_host_symbolic_name = 1,
1182         .show_host_supported_speeds = 1,
1183         .show_host_maxframe_size = 1,
1184
1185         /* dynamic attributes the driver supports */
1186         .get_host_port_id = lpfc_get_host_port_id,
1187         .show_host_port_id = 1,
1188
1189         .get_host_port_type = lpfc_get_host_port_type,
1190         .show_host_port_type = 1,
1191
1192         .get_host_port_state = lpfc_get_host_port_state,
1193         .show_host_port_state = 1,
1194
1195         /* active_fc4s is shown but doesn't change (thus no get function) */
1196         .show_host_active_fc4s = 1,
1197
1198         .get_host_speed = lpfc_get_host_speed,
1199         .show_host_speed = 1,
1200
1201         .get_host_fabric_name = lpfc_get_host_fabric_name,
1202         .show_host_fabric_name = 1,
1203
1204         /*
1205          * The LPFC driver treats linkdown handling as target loss events
1206          * so there are no sysfs handlers for link_down_tmo.
1207          */
1208
1209         .get_fc_host_stats = lpfc_get_stats,
1210
1211         /* the LPFC driver doesn't support resetting stats yet */
1212
1213         .dd_fcrport_size = sizeof(struct lpfc_rport_data),
1214         .show_rport_maxframe_size = 1,
1215         .show_rport_supported_classes = 1,
1216
1217         .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo,
1218         .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
1219         .show_rport_dev_loss_tmo = 1,
1220
1221         .get_starget_port_id  = lpfc_get_starget_port_id,
1222         .show_starget_port_id = 1,
1223
1224         .get_starget_node_name = lpfc_get_starget_node_name,
1225         .show_starget_node_name = 1,
1226
1227         .get_starget_port_name = lpfc_get_starget_port_name,
1228         .show_starget_port_name = 1,
1229
1230         .issue_fc_host_lip = lpfc_issue_lip,
1231 };
1232
1233 void
1234 lpfc_get_cfgparam(struct lpfc_hba *phba)
1235 {
1236         phba->cfg_log_verbose = lpfc_log_verbose;
1237         phba->cfg_cr_delay = lpfc_cr_delay;
1238         phba->cfg_cr_count = lpfc_cr_count;
1239         phba->cfg_lun_queue_depth = lpfc_lun_queue_depth;
1240         phba->cfg_fcp_class = lpfc_fcp_class;
1241         phba->cfg_use_adisc = lpfc_use_adisc;
1242         phba->cfg_ack0 = lpfc_ack0;
1243         phba->cfg_topology = lpfc_topology;
1244         phba->cfg_scan_down = lpfc_scan_down;
1245         phba->cfg_nodev_tmo = lpfc_nodev_tmo;
1246         phba->cfg_link_speed = lpfc_link_speed;
1247         phba->cfg_fdmi_on = lpfc_fdmi_on;
1248         phba->cfg_discovery_threads = lpfc_discovery_threads;
1249         phba->cfg_max_luns = lpfc_max_luns;
1250
1251         /*
1252          * The total number of segments is the configuration value plus 2
1253          * since the IOCB need a command and response bde.
1254          */
1255         phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
1256
1257         /*
1258          * Since the sg_tablesize is module parameter, the sg_dma_buf_size
1259          * used to create the sg_dma_buf_pool must be dynamically calculated
1260          */
1261         phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
1262                         sizeof(struct fcp_rsp) +
1263                         (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
1264
1265         switch (phba->pcidev->device) {
1266         case PCI_DEVICE_ID_LP101:
1267         case PCI_DEVICE_ID_BSMB:
1268         case PCI_DEVICE_ID_ZSMB:
1269                 phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
1270                 break;
1271         case PCI_DEVICE_ID_RFLY:
1272         case PCI_DEVICE_ID_PFLY:
1273         case PCI_DEVICE_ID_BMID:
1274         case PCI_DEVICE_ID_ZMID:
1275         case PCI_DEVICE_ID_TFLY:
1276                 phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
1277                 break;
1278         default:
1279                 phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
1280         }
1281         return;
1282 }