SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/scsi/lpfc/lpfc_attr.c

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