drivers/scsi/qla2xxx/qla_attr.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2005 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8
   9 #include <linux/vmalloc.h>
  10
  11 /* SYSFS attributes --------------------------------------------------------- */
  12
  13 static ssize_t
  14 qla2x00_sysfs_read_fw_dump(struct kobject *kobj, char *buf, loff_t off,
  15     size_t count)
  16 {
  17         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
  18             struct device, kobj)));
  19         char *rbuf = (char *)ha->fw_dump;
  20
  21         if (ha->fw_dump_reading == 0)
  22                 return 0;
  23         if (off > ha->fw_dump_len)
  24                 return 0;
  25         if (off + count > ha->fw_dump_len)
  26                 count = ha->fw_dump_len - off;
  27
  28         memcpy(buf, &rbuf[off], count);
  29
  30         return (count);
  31 }
  32
  33 static ssize_t
  34 qla2x00_sysfs_write_fw_dump(struct kobject *kobj, char *buf, loff_t off,
  35     size_t count)
  36 {
  37         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
  38             struct device, kobj)));
  39         int reading;
  40
  41         if (off != 0)
  42                 return (0);
  43
  44         reading = simple_strtol(buf, NULL, 10);
  45         switch (reading) {
  46         case 0:
  47                 if (!ha->fw_dump_reading)
  48                         break;
  49
  50                 qla_printk(KERN_INFO, ha,
  51                     "Firmware dump cleared on (%ld).\n", ha->host_no);
  52
  53                 ha->fw_dump_reading = 0;
  54                 ha->fw_dumped = 0;
  55                 break;
  56         case 1:
  57                 if (ha->fw_dumped && !ha->fw_dump_reading) {
  58                         ha->fw_dump_reading = 1;
  59
  60                         qla_printk(KERN_INFO, ha,
  61                             "Raw firmware dump ready for read on (%ld).\n",
  62                             ha->host_no);
  63                 }
  64                 break;
  65         case 2:
  66                 qla2x00_alloc_fw_dump(ha);
  67                 break;
  68         }
  69         return (count);
  70 }
  71
  72 static struct bin_attribute sysfs_fw_dump_attr = {
  73         .attr = {
  74                 .name = "fw_dump",
  75                 .mode = S_IRUSR | S_IWUSR,
  76                 .owner = THIS_MODULE,
  77         },
  78         .size = 0,
  79         .read = qla2x00_sysfs_read_fw_dump,
  80         .write = qla2x00_sysfs_write_fw_dump,
  81 };
  82
  83 static ssize_t
  84 qla2x00_sysfs_read_nvram(struct kobject *kobj, char *buf, loff_t off,
  85     size_t count)
  86 {
  87         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
  88             struct device, kobj)));
  89         unsigned long   flags;
  90
  91         if (!capable(CAP_SYS_ADMIN) || off != 0)
  92                 return 0;
  93
  94         /* Read NVRAM. */
  95         spin_lock_irqsave(&ha->hardware_lock, flags);
  96         ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->nvram_base,
  97             ha->nvram_size);
  98         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  99
 100         return ha->nvram_size;
 101 }
 102
 103 static ssize_t
 104 qla2x00_sysfs_write_nvram(struct kobject *kobj, char *buf, loff_t off,
 105     size_t count)
 106 {
 107         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 108             struct device, kobj)));
 109         unsigned long   flags;
 110         uint16_t        cnt;
 111
 112         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size)
 113                 return 0;
 114
 115         /* Checksum NVRAM. */
 116         if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 117                 uint32_t *iter;
 118                 uint32_t chksum;
 119
 120                 iter = (uint32_t *)buf;
 121                 chksum = 0;
 122                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
 123                         chksum += le32_to_cpu(*iter++);
 124                 chksum = ~chksum + 1;
 125                 *iter = cpu_to_le32(chksum);
 126         } else {
 127                 uint8_t *iter;
 128                 uint8_t chksum;
 129
 130                 iter = (uint8_t *)buf;
 131                 chksum = 0;
 132                 for (cnt = 0; cnt < count - 1; cnt++)
 133                         chksum += *iter++;
 134                 chksum = ~chksum + 1;
 135                 *iter = chksum;
 136         }
 137
 138         /* Write NVRAM. */
 139         spin_lock_irqsave(&ha->hardware_lock, flags);
 140         ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count);
 141         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 142
 143         set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 144
 145         return (count);
 146 }
 147
 148 static struct bin_attribute sysfs_nvram_attr = {
 149         .attr = {
 150                 .name = "nvram",
 151                 .mode = S_IRUSR | S_IWUSR,
 152                 .owner = THIS_MODULE,
 153         },
 154         .size = 512,
 155         .read = qla2x00_sysfs_read_nvram,
 156         .write = qla2x00_sysfs_write_nvram,
 157 };
 158
 159 static ssize_t
 160 qla2x00_sysfs_read_optrom(struct kobject *kobj, char *buf, loff_t off,
 161     size_t count)
 162 {
 163         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 164             struct device, kobj)));
 165
 166         if (ha->optrom_state != QLA_SREADING)
 167                 return 0;
 168         if (off > ha->optrom_size)
 169                 return 0;
 170         if (off + count > ha->optrom_size)
 171                 count = ha->optrom_size - off;
 172
 173         memcpy(buf, &ha->optrom_buffer[off], count);
 174
 175         return count;
 176 }
 177
 178 static ssize_t
 179 qla2x00_sysfs_write_optrom(struct kobject *kobj, char *buf, loff_t off,
 180     size_t count)
 181 {
 182         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 183             struct device, kobj)));
 184
 185         if (ha->optrom_state != QLA_SWRITING)
 186                 return -EINVAL;
 187         if (off > ha->optrom_size)
 188                 return -ERANGE;
 189         if (off + count > ha->optrom_size)
 190                 count = ha->optrom_size - off;
 191
 192         memcpy(&ha->optrom_buffer[off], buf, count);
 193
 194         return count;
 195 }
 196
 197 static struct bin_attribute sysfs_optrom_attr = {
 198         .attr = {
 199                 .name = "optrom",
 200                 .mode = S_IRUSR | S_IWUSR,
 201                 .owner = THIS_MODULE,
 202         },
 203         .size = OPTROM_SIZE_24XX,
 204         .read = qla2x00_sysfs_read_optrom,
 205         .write = qla2x00_sysfs_write_optrom,
 206 };
 207
 208 static ssize_t
 209 qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj, char *buf, loff_t off,
 210     size_t count)
 211 {
 212         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 213             struct device, kobj)));
 214         int val;
 215
 216         if (off)
 217                 return 0;
 218
 219         if (sscanf(buf, "%d", &val) != 1)
 220                 return -EINVAL;
 221
 222         switch (val) {
 223         case 0:
 224                 if (ha->optrom_state != QLA_SREADING &&
 225                     ha->optrom_state != QLA_SWRITING)
 226                         break;
 227
 228                 ha->optrom_state = QLA_SWAITING;
 229                 vfree(ha->optrom_buffer);
 230                 ha->optrom_buffer = NULL;
 231                 break;
 232         case 1:
 233                 if (ha->optrom_state != QLA_SWAITING)
 234                         break;
 235
 236                 ha->optrom_state = QLA_SREADING;
 237                 ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
 238                 if (ha->optrom_buffer == NULL) {
 239                         qla_printk(KERN_WARNING, ha,
 240                             "Unable to allocate memory for optrom retrieval "
 241                             "(%x).\n", ha->optrom_size);
 242
 243                         ha->optrom_state = QLA_SWAITING;
 244                         return count;
 245                 }
 246
 247                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 248                 ha->isp_ops.read_optrom(ha, ha->optrom_buffer, 0,
 249                     ha->optrom_size);
 250                 break;
 251         case 2:
 252                 if (ha->optrom_state != QLA_SWAITING)
 253                         break;
 254
 255                 ha->optrom_state = QLA_SWRITING;
 256                 ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
 257                 if (ha->optrom_buffer == NULL) {
 258                         qla_printk(KERN_WARNING, ha,
 259                             "Unable to allocate memory for optrom update "
 260                             "(%x).\n", ha->optrom_size);
 261
 262                         ha->optrom_state = QLA_SWAITING;
 263                         return count;
 264                 }
 265                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 266                 break;
 267         case 3:
 268                 if (ha->optrom_state != QLA_SWRITING)
 269                         break;
 270
 271                 ha->isp_ops.write_optrom(ha, ha->optrom_buffer, 0,
 272                     ha->optrom_size);
 273                 break;
 274         }
 275         return count;
 276 }
 277
 278 static struct bin_attribute sysfs_optrom_ctl_attr = {
 279         .attr = {
 280                 .name = "optrom_ctl",
 281                 .mode = S_IWUSR,
 282                 .owner = THIS_MODULE,
 283         },
 284         .size = 0,
 285         .write = qla2x00_sysfs_write_optrom_ctl,
 286 };
 287
 288 static ssize_t
 289 qla2x00_sysfs_read_vpd(struct kobject *kobj, char *buf, loff_t off,
 290     size_t count)
 291 {
 292         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 293             struct device, kobj)));
 294         unsigned long flags;
 295
 296         if (!capable(CAP_SYS_ADMIN) || off != 0)
 297                 return 0;
 298
 299         /* Read NVRAM. */
 300         spin_lock_irqsave(&ha->hardware_lock, flags);
 301         ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->vpd_base, ha->vpd_size);
 302         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 303
 304         return ha->vpd_size;
 305 }
 306
 307 static ssize_t
 308 qla2x00_sysfs_write_vpd(struct kobject *kobj, char *buf, loff_t off,
 309     size_t count)
 310 {
 311         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 312             struct device, kobj)));
 313         unsigned long flags;
 314
 315         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size)
 316                 return 0;
 317
 318         /* Write NVRAM. */
 319         spin_lock_irqsave(&ha->hardware_lock, flags);
 320         ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->vpd_base, count);
 321         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 322
 323         return count;
 324 }
 325
 326 static struct bin_attribute sysfs_vpd_attr = {
 327         .attr = {
 328                 .name = "vpd",
 329                 .mode = S_IRUSR | S_IWUSR,
 330                 .owner = THIS_MODULE,
 331         },
 332         .size = 0,
 333         .read = qla2x00_sysfs_read_vpd,
 334         .write = qla2x00_sysfs_write_vpd,
 335 };
 336
 337 static ssize_t
 338 qla2x00_sysfs_read_sfp(struct kobject *kobj, char *buf, loff_t off,
 339     size_t count)
 340 {
 341         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 342             struct device, kobj)));
 343         uint16_t iter, addr, offset;
 344         int rval;
 345
 346         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
 347                 return 0;
 348
 349         addr = 0xa0;
 350         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
 351             iter++, offset += SFP_BLOCK_SIZE) {
 352                 if (iter == 4) {
 353                         /* Skip to next device address. */
 354                         addr = 0xa2;
 355                         offset = 0;
 356                 }
 357
 358                 rval = qla2x00_read_sfp(ha, ha->sfp_data_dma, addr, offset,
 359                     SFP_BLOCK_SIZE);
 360                 if (rval != QLA_SUCCESS) {
 361                         qla_printk(KERN_WARNING, ha,
 362                             "Unable to read SFP data (%x/%x/%x).\n", rval,
 363                             addr, offset);
 364                         count = 0;
 365                         break;
 366                 }
 367                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 368                 buf += SFP_BLOCK_SIZE;
 369         }
 370
 371         return count;
 372 }
 373
 374 static struct bin_attribute sysfs_sfp_attr = {
 375         .attr = {
 376                 .name = "sfp",
 377                 .mode = S_IRUSR | S_IWUSR,
 378                 .owner = THIS_MODULE,
 379         },
 380         .size = SFP_DEV_SIZE * 2,
 381         .read = qla2x00_sysfs_read_sfp,
 382 };
 383
 384 static struct sysfs_entry {
 385         char *name;
 386         struct bin_attribute *attr;
 387         int is4GBp_only;
 388 } bin_file_entries[] = {
 389         { "fw_dump", &sysfs_fw_dump_attr, },
 390         { "nvram", &sysfs_nvram_attr, },
 391         { "optrom", &sysfs_optrom_attr, },
 392         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
 393         { "vpd", &sysfs_vpd_attr, 1 },
 394         { "sfp", &sysfs_sfp_attr, 1 },
 395         { NULL },
 396 };
 397
 398 void
 399 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
 400 {
 401         struct Scsi_Host *host = ha->host;
 402         struct sysfs_entry *iter;
 403         int ret;
 404
 405         for (iter = bin_file_entries; iter->name; iter++) {
 406                 if (iter->is4GBp_only && (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)))
 407                         continue;
 408
 409                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
 410                     iter->attr);
 411                 if (ret)
 412                         qla_printk(KERN_INFO, ha,
 413                             "Unable to create sysfs %s binary attribute "
 414                             "(%d).\n", iter->name, ret);
 415         }
 416 }
 417
 418 void
 419 qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
 420 {
 421         struct Scsi_Host *host = ha->host;
 422         struct sysfs_entry *iter;
 423
 424         for (iter = bin_file_entries; iter->name; iter++) {
 425                 if (iter->is4GBp_only && (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)))
 426                         continue;
 427
 428                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
 429                     iter->attr);
 430         }
 431
 432         if (ha->beacon_blink_led == 1)
 433                 ha->isp_ops.beacon_off(ha);
 434 }
 435
 436 /* Scsi_Host attributes. */
 437
 438 static ssize_t
 439 qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
 440 {
 441         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 442 }
 443
 444 static ssize_t
 445 qla2x00_fw_version_show(struct class_device *cdev, char *buf)
 446 {
 447         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 448         char fw_str[30];
 449
 450         return snprintf(buf, PAGE_SIZE, "%s\n",
 451             ha->isp_ops.fw_version_str(ha, fw_str));
 452 }
 453
 454 static ssize_t
 455 qla2x00_serial_num_show(struct class_device *cdev, char *buf)
 456 {
 457         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 458         uint32_t sn;
 459
 460         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 461         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 462             sn % 100000);
 463 }
 464
 465 static ssize_t
 466 qla2x00_isp_name_show(struct class_device *cdev, char *buf)
 467 {
 468         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 469         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
 470 }
 471
 472 static ssize_t
 473 qla2x00_isp_id_show(struct class_device *cdev, char *buf)
 474 {
 475         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 476         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 477             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 478             ha->product_id[3]);
 479 }
 480
 481 static ssize_t
 482 qla2x00_model_name_show(struct class_device *cdev, char *buf)
 483 {
 484         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 485         return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
 486 }
 487
 488 static ssize_t
 489 qla2x00_model_desc_show(struct class_device *cdev, char *buf)
 490 {
 491         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 492         return snprintf(buf, PAGE_SIZE, "%s\n",
 493             ha->model_desc ? ha->model_desc: "");
 494 }
 495
 496 static ssize_t
 497 qla2x00_pci_info_show(struct class_device *cdev, char *buf)
 498 {
 499         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 500         char pci_info[30];
 501
 502         return snprintf(buf, PAGE_SIZE, "%s\n",
 503             ha->isp_ops.pci_info_str(ha, pci_info));
 504 }
 505
 506 static ssize_t
 507 qla2x00_state_show(struct class_device *cdev, char *buf)
 508 {
 509         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 510         int len = 0;
 511
 512         if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
 513             atomic_read(&ha->loop_state) == LOOP_DEAD)
 514                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 515         else if (atomic_read(&ha->loop_state) != LOOP_READY ||
 516             test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
 517             test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
 518                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 519         else {
 520                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
 521
 522                 switch (ha->current_topology) {
 523                 case ISP_CFG_NL:
 524                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 525                         break;
 526                 case ISP_CFG_FL:
 527                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
 528                         break;
 529                 case ISP_CFG_N:
 530                         len += snprintf(buf + len, PAGE_SIZE-len,
 531                             "N_Port to N_Port\n");
 532                         break;
 533                 case ISP_CFG_F:
 534                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
 535                         break;
 536                 default:
 537                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 538                         break;
 539                 }
 540         }
 541         return len;
 542 }
 543
 544 static ssize_t
 545 qla2x00_zio_show(struct class_device *cdev, char *buf)
 546 {
 547         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 548         int len = 0;
 549
 550         switch (ha->zio_mode) {
 551         case QLA_ZIO_MODE_6:
 552                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
 553                 break;
 554         case QLA_ZIO_DISABLED:
 555                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 556                 break;
 557         }
 558         return len;
 559 }
 560
 561 static ssize_t
 562 qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count)
 563 {
 564         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 565         int val = 0;
 566         uint16_t zio_mode;
 567
 568         if (!IS_ZIO_SUPPORTED(ha))
 569                 return -ENOTSUPP;
 570
 571         if (sscanf(buf, "%d", &val) != 1)
 572                 return -EINVAL;
 573
 574         if (val)
 575                 zio_mode = QLA_ZIO_MODE_6;
 576         else
 577                 zio_mode = QLA_ZIO_DISABLED;
 578
 579         /* Update per-hba values and queue a reset. */
 580         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
 581                 ha->zio_mode = zio_mode;
 582                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 583         }
 584         return strlen(buf);
 585 }
 586
 587 static ssize_t
 588 qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
 589 {
 590         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 591
 592         return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
 593 }
 594
 595 static ssize_t
 596 qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
 597     size_t count)
 598 {
 599         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 600         int val = 0;
 601         uint16_t zio_timer;
 602
 603         if (sscanf(buf, "%d", &val) != 1)
 604                 return -EINVAL;
 605         if (val > 25500 || val < 100)
 606                 return -ERANGE;
 607
 608         zio_timer = (uint16_t)(val / 100);
 609         ha->zio_timer = zio_timer;
 610
 611         return strlen(buf);
 612 }
 613
 614 static ssize_t
 615 qla2x00_beacon_show(struct class_device *cdev, char *buf)
 616 {
 617         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 618         int len = 0;
 619
 620         if (ha->beacon_blink_led)
 621                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
 622         else
 623                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 624         return len;
 625 }
 626
 627 static ssize_t
 628 qla2x00_beacon_store(struct class_device *cdev, const char *buf,
 629     size_t count)
 630 {
 631         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 632         int val = 0;
 633         int rval;
 634
 635         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 636                 return -EPERM;
 637
 638         if (test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) {
 639                 qla_printk(KERN_WARNING, ha,
 640                     "Abort ISP active -- ignoring beacon request.\n");
 641                 return -EBUSY;
 642         }
 643
 644         if (sscanf(buf, "%d", &val) != 1)
 645                 return -EINVAL;
 646
 647         if (val)
 648                 rval = ha->isp_ops.beacon_on(ha);
 649         else
 650                 rval = ha->isp_ops.beacon_off(ha);
 651
 652         if (rval != QLA_SUCCESS)
 653                 count = 0;
 654
 655         return count;
 656 }
 657
 658 static ssize_t
 659 qla2x00_optrom_bios_version_show(struct class_device *cdev, char *buf)
 660 {
 661         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 662
 663         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
 664             ha->bios_revision[0]);
 665 }
 666
 667 static ssize_t
 668 qla2x00_optrom_efi_version_show(struct class_device *cdev, char *buf)
 669 {
 670         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 671
 672         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
 673             ha->efi_revision[0]);
 674 }
 675
 676 static ssize_t
 677 qla2x00_optrom_fcode_version_show(struct class_device *cdev, char *buf)
 678 {
 679         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 680
 681         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
 682             ha->fcode_revision[0]);
 683 }
 684
 685 static ssize_t
 686 qla2x00_optrom_fw_version_show(struct class_device *cdev, char *buf)
 687 {
 688         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 689
 690         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
 691             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
 692             ha->fw_revision[3]);
 693 }
 694
 695 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
 696         NULL);
 697 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
 698 static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
 699 static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
 700 static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
 701 static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
 702 static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
 703 static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
 704 static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
 705 static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
 706     qla2x00_zio_store);
 707 static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
 708     qla2x00_zio_timer_store);
 709 static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
 710     qla2x00_beacon_store);
 711 static CLASS_DEVICE_ATTR(optrom_bios_version, S_IRUGO,
 712     qla2x00_optrom_bios_version_show, NULL);
 713 static CLASS_DEVICE_ATTR(optrom_efi_version, S_IRUGO,
 714     qla2x00_optrom_efi_version_show, NULL);
 715 static CLASS_DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
 716     qla2x00_optrom_fcode_version_show, NULL);
 717 static CLASS_DEVICE_ATTR(optrom_fw_version, S_IRUGO,
 718     qla2x00_optrom_fw_version_show, NULL);
 719
 720 struct class_device_attribute *qla2x00_host_attrs[] = {
 721         &class_device_attr_driver_version,
 722         &class_device_attr_fw_version,
 723         &class_device_attr_serial_num,
 724         &class_device_attr_isp_name,
 725         &class_device_attr_isp_id,
 726         &class_device_attr_model_name,
 727         &class_device_attr_model_desc,
 728         &class_device_attr_pci_info,
 729         &class_device_attr_state,
 730         &class_device_attr_zio,
 731         &class_device_attr_zio_timer,
 732         &class_device_attr_beacon,
 733         &class_device_attr_optrom_bios_version,
 734         &class_device_attr_optrom_efi_version,
 735         &class_device_attr_optrom_fcode_version,
 736         &class_device_attr_optrom_fw_version,
 737         NULL,
 738 };
 739
 740 /* Host attributes. */
 741
 742 static void
 743 qla2x00_get_host_port_id(struct Scsi_Host *shost)
 744 {
 745         scsi_qla_host_t *ha = to_qla_host(shost);
 746
 747         fc_host_port_id(shost) = ha->d_id.b.domain << 16 |
 748             ha->d_id.b.area << 8 | ha->d_id.b.al_pa;
 749 }
 750
 751 static void
 752 qla2x00_get_host_speed(struct Scsi_Host *shost)
 753 {
 754         scsi_qla_host_t *ha = to_qla_host(shost);
 755         uint32_t speed = 0;
 756
 757         switch (ha->link_data_rate) {
 758         case PORT_SPEED_1GB:
 759                 speed = 1;
 760                 break;
 761         case PORT_SPEED_2GB:
 762                 speed = 2;
 763                 break;
 764         case PORT_SPEED_4GB:
 765                 speed = 4;
 766                 break;
 767         }
 768         fc_host_speed(shost) = speed;
 769 }
 770
 771 static void
 772 qla2x00_get_host_port_type(struct Scsi_Host *shost)
 773 {
 774         scsi_qla_host_t *ha = to_qla_host(shost);
 775         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
 776
 777         switch (ha->current_topology) {
 778         case ISP_CFG_NL:
 779                 port_type = FC_PORTTYPE_LPORT;
 780                 break;
 781         case ISP_CFG_FL:
 782                 port_type = FC_PORTTYPE_NLPORT;
 783                 break;
 784         case ISP_CFG_N:
 785                 port_type = FC_PORTTYPE_PTP;
 786                 break;
 787         case ISP_CFG_F:
 788                 port_type = FC_PORTTYPE_NPORT;
 789                 break;
 790         }
 791         fc_host_port_type(shost) = port_type;
 792 }
 793
 794 static void
 795 qla2x00_get_starget_node_name(struct scsi_target *starget)
 796 {
 797         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 798         scsi_qla_host_t *ha = to_qla_host(host);
 799         fc_port_t *fcport;
 800         u64 node_name = 0;
 801
 802         list_for_each_entry(fcport, &ha->fcports, list) {
 803                 if (starget->id == fcport->os_target_id) {
 804                         node_name = wwn_to_u64(fcport->node_name);
 805                         break;
 806                 }
 807         }
 808
 809         fc_starget_node_name(starget) = node_name;
 810 }
 811
 812 static void
 813 qla2x00_get_starget_port_name(struct scsi_target *starget)
 814 {
 815         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 816         scsi_qla_host_t *ha = to_qla_host(host);
 817         fc_port_t *fcport;
 818         u64 port_name = 0;
 819
 820         list_for_each_entry(fcport, &ha->fcports, list) {
 821                 if (starget->id == fcport->os_target_id) {
 822                         port_name = wwn_to_u64(fcport->port_name);
 823                         break;
 824                 }
 825         }
 826
 827         fc_starget_port_name(starget) = port_name;
 828 }
 829
 830 static void
 831 qla2x00_get_starget_port_id(struct scsi_target *starget)
 832 {
 833         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 834         scsi_qla_host_t *ha = to_qla_host(host);
 835         fc_port_t *fcport;
 836         uint32_t port_id = ~0U;
 837
 838         list_for_each_entry(fcport, &ha->fcports, list) {
 839                 if (starget->id == fcport->os_target_id) {
 840                         port_id = fcport->d_id.b.domain << 16 |
 841                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
 842                         break;
 843                 }
 844         }
 845
 846         fc_starget_port_id(starget) = port_id;
 847 }
 848
 849 static void
 850 qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
 851 {
 852         struct Scsi_Host *host = rport_to_shost(rport);
 853         scsi_qla_host_t *ha = to_qla_host(host);
 854
 855         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 856 }
 857
 858 static void
 859 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 860 {
 861         struct Scsi_Host *host = rport_to_shost(rport);
 862         scsi_qla_host_t *ha = to_qla_host(host);
 863
 864         if (timeout)
 865                 ha->port_down_retry_count = timeout;
 866         else
 867                 ha->port_down_retry_count = 1;
 868
 869         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 870 }
 871
 872 static int
 873 qla2x00_issue_lip(struct Scsi_Host *shost)
 874 {
 875         scsi_qla_host_t *ha = to_qla_host(shost);
 876
 877         set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
 878         return 0;
 879 }
 880
 881 static struct fc_host_statistics *
 882 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
 883 {
 884         scsi_qla_host_t *ha = to_qla_host(shost);
 885         int rval;
 886         uint16_t mb_stat[1];
 887         link_stat_t stat_buf;
 888         struct fc_host_statistics *pfc_host_stat;
 889
 890         rval = QLA_FUNCTION_FAILED;
 891         pfc_host_stat = &ha->fc_host_stat;
 892         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
 893
 894         if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 895                 rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
 896                     sizeof(stat_buf) / 4, mb_stat);
 897         } else if (atomic_read(&ha->loop_state) == LOOP_READY &&
 898                     !test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) &&
 899                     !test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) &&
 900                     !ha->dpc_active) {
 901                 /* Must be in a 'READY' state for statistics retrieval. */
 902                 rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
 903                     mb_stat);
 904         }
 905
 906         if (rval != QLA_SUCCESS)
 907                 goto done;
 908
 909         pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
 910         pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
 911         pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
 912         pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
 913         pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
 914         pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
 915 done:
 916         return pfc_host_stat;
 917 }
 918
 919 static void
 920 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
 921 {
 922         scsi_qla_host_t *ha = to_qla_host(shost);
 923
 924         qla2x00_get_sym_node_name(ha, fc_host_symbolic_name(shost));
 925 }
 926
 927 static void
 928 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
 929 {
 930         scsi_qla_host_t *ha = to_qla_host(shost);
 931
 932         set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
 933 }
 934
 935 static void
 936 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
 937 {
 938         scsi_qla_host_t *ha = to_qla_host(shost);
 939         u64 node_name;
 940
 941         if (ha->device_flags & SWITCH_FOUND)
 942                 node_name = wwn_to_u64(ha->fabric_node_name);
 943         else
 944                 node_name = wwn_to_u64(ha->node_name);
 945
 946         fc_host_fabric_name(shost) = node_name;
 947 }
 948
 949 static void
 950 qla2x00_get_host_port_state(struct Scsi_Host *shost)
 951 {
 952         scsi_qla_host_t *ha = to_qla_host(shost);
 953
 954         if (!ha->flags.online)
 955                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
 956         else if (atomic_read(&ha->loop_state) == LOOP_TIMEOUT)
 957                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
 958         else
 959                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
 960 }
 961
 962 struct fc_function_template qla2xxx_transport_functions = {
 963
 964         .show_host_node_name = 1,
 965         .show_host_port_name = 1,
 966         .show_host_supported_classes = 1,
 967
 968         .get_host_port_id = qla2x00_get_host_port_id,
 969         .show_host_port_id = 1,
 970         .get_host_speed = qla2x00_get_host_speed,
 971         .show_host_speed = 1,
 972         .get_host_port_type = qla2x00_get_host_port_type,
 973         .show_host_port_type = 1,
 974         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
 975         .show_host_symbolic_name = 1,
 976         .set_host_system_hostname = qla2x00_set_host_system_hostname,
 977         .show_host_system_hostname = 1,
 978         .get_host_fabric_name = qla2x00_get_host_fabric_name,
 979         .show_host_fabric_name = 1,
 980         .get_host_port_state = qla2x00_get_host_port_state,
 981         .show_host_port_state = 1,
 982
 983         .dd_fcrport_size = sizeof(struct fc_port *),
 984         .show_rport_supported_classes = 1,
 985
 986         .get_starget_node_name = qla2x00_get_starget_node_name,
 987         .show_starget_node_name = 1,
 988         .get_starget_port_name = qla2x00_get_starget_port_name,
 989         .show_starget_port_name = 1,
 990         .get_starget_port_id  = qla2x00_get_starget_port_id,
 991         .show_starget_port_id = 1,
 992
 993         .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
 994         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
 995         .show_rport_dev_loss_tmo = 1,
 996
 997         .issue_fc_host_lip = qla2x00_issue_lip,
 998         .get_fc_host_stats = qla2x00_get_fc_host_stats,
 999 };
1000
1001 void
1002 qla2x00_init_host_attr(scsi_qla_host_t *ha)
1003 {
1004         fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
1005         fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
1006         fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
1007 }