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         return (count);
 144 }
 145
 146 static struct bin_attribute sysfs_nvram_attr = {
 147         .attr = {
 148                 .name = "nvram",
 149                 .mode = S_IRUSR | S_IWUSR,
 150                 .owner = THIS_MODULE,
 151         },
 152         .size = 512,
 153         .read = qla2x00_sysfs_read_nvram,
 154         .write = qla2x00_sysfs_write_nvram,
 155 };
 156
 157 static ssize_t
 158 qla2x00_sysfs_read_optrom(struct kobject *kobj, char *buf, loff_t off,
 159     size_t count)
 160 {
 161         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 162             struct device, kobj)));
 163
 164         if (ha->optrom_state != QLA_SREADING)
 165                 return 0;
 166         if (off > ha->optrom_size)
 167                 return 0;
 168         if (off + count > ha->optrom_size)
 169                 count = ha->optrom_size - off;
 170
 171         memcpy(buf, &ha->optrom_buffer[off], count);
 172
 173         return count;
 174 }
 175
 176 static ssize_t
 177 qla2x00_sysfs_write_optrom(struct kobject *kobj, char *buf, loff_t off,
 178     size_t count)
 179 {
 180         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 181             struct device, kobj)));
 182
 183         if (ha->optrom_state != QLA_SWRITING)
 184                 return -EINVAL;
 185         if (off > ha->optrom_size)
 186                 return -ERANGE;
 187         if (off + count > ha->optrom_size)
 188                 count = ha->optrom_size - off;
 189
 190         memcpy(&ha->optrom_buffer[off], buf, count);
 191
 192         return count;
 193 }
 194
 195 static struct bin_attribute sysfs_optrom_attr = {
 196         .attr = {
 197                 .name = "optrom",
 198                 .mode = S_IRUSR | S_IWUSR,
 199                 .owner = THIS_MODULE,
 200         },
 201         .size = OPTROM_SIZE_24XX,
 202         .read = qla2x00_sysfs_read_optrom,
 203         .write = qla2x00_sysfs_write_optrom,
 204 };
 205
 206 static ssize_t
 207 qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj, char *buf, loff_t off,
 208     size_t count)
 209 {
 210         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 211             struct device, kobj)));
 212         int val;
 213
 214         if (off)
 215                 return 0;
 216
 217         if (sscanf(buf, "%d", &val) != 1)
 218                 return -EINVAL;
 219
 220         switch (val) {
 221         case 0:
 222                 if (ha->optrom_state != QLA_SREADING &&
 223                     ha->optrom_state != QLA_SWRITING)
 224                         break;
 225
 226                 ha->optrom_state = QLA_SWAITING;
 227                 vfree(ha->optrom_buffer);
 228                 ha->optrom_buffer = NULL;
 229                 break;
 230         case 1:
 231                 if (ha->optrom_state != QLA_SWAITING)
 232                         break;
 233
 234                 ha->optrom_state = QLA_SREADING;
 235                 ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
 236                 if (ha->optrom_buffer == NULL) {
 237                         qla_printk(KERN_WARNING, ha,
 238                             "Unable to allocate memory for optrom retrieval "
 239                             "(%x).\n", ha->optrom_size);
 240
 241                         ha->optrom_state = QLA_SWAITING;
 242                         return count;
 243                 }
 244
 245                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 246                 ha->isp_ops.read_optrom(ha, ha->optrom_buffer, 0,
 247                     ha->optrom_size);
 248                 break;
 249         case 2:
 250                 if (ha->optrom_state != QLA_SWAITING)
 251                         break;
 252
 253                 ha->optrom_state = QLA_SWRITING;
 254                 ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
 255                 if (ha->optrom_buffer == NULL) {
 256                         qla_printk(KERN_WARNING, ha,
 257                             "Unable to allocate memory for optrom update "
 258                             "(%x).\n", ha->optrom_size);
 259
 260                         ha->optrom_state = QLA_SWAITING;
 261                         return count;
 262                 }
 263                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 264                 break;
 265         case 3:
 266                 if (ha->optrom_state != QLA_SWRITING)
 267                         break;
 268
 269                 ha->isp_ops.write_optrom(ha, ha->optrom_buffer, 0,
 270                     ha->optrom_size);
 271                 break;
 272         }
 273         return count;
 274 }
 275
 276 static struct bin_attribute sysfs_optrom_ctl_attr = {
 277         .attr = {
 278                 .name = "optrom_ctl",
 279                 .mode = S_IWUSR,
 280                 .owner = THIS_MODULE,
 281         },
 282         .size = 0,
 283         .write = qla2x00_sysfs_write_optrom_ctl,
 284 };
 285
 286 static ssize_t
 287 qla2x00_sysfs_read_vpd(struct kobject *kobj, char *buf, loff_t off,
 288     size_t count)
 289 {
 290         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 291             struct device, kobj)));
 292         unsigned long flags;
 293
 294         if (!capable(CAP_SYS_ADMIN) || off != 0)
 295                 return 0;
 296
 297         if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha))
 298                 return -ENOTSUPP;
 299
 300         /* Read NVRAM. */
 301         spin_lock_irqsave(&ha->hardware_lock, flags);
 302         ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->vpd_base, ha->vpd_size);
 303         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 304
 305         return ha->vpd_size;
 306 }
 307
 308 static ssize_t
 309 qla2x00_sysfs_write_vpd(struct kobject *kobj, char *buf, loff_t off,
 310     size_t count)
 311 {
 312         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 313             struct device, kobj)));
 314         unsigned long flags;
 315
 316         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size)
 317                 return 0;
 318
 319         if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha))
 320                 return -ENOTSUPP;
 321
 322         /* Write NVRAM. */
 323         spin_lock_irqsave(&ha->hardware_lock, flags);
 324         ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->vpd_base, count);
 325         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 326
 327         return count;
 328 }
 329
 330 static struct bin_attribute sysfs_vpd_attr = {
 331         .attr = {
 332                 .name = "vpd",
 333                 .mode = S_IRUSR | S_IWUSR,
 334                 .owner = THIS_MODULE,
 335         },
 336         .size = 0,
 337         .read = qla2x00_sysfs_read_vpd,
 338         .write = qla2x00_sysfs_write_vpd,
 339 };
 340
 341 static ssize_t
 342 qla2x00_sysfs_read_sfp(struct kobject *kobj, char *buf, loff_t off,
 343     size_t count)
 344 {
 345         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 346             struct device, kobj)));
 347         uint16_t iter, addr, offset;
 348         int rval;
 349
 350         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
 351                 return 0;
 352
 353         addr = 0xa0;
 354         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
 355             iter++, offset += SFP_BLOCK_SIZE) {
 356                 if (iter == 4) {
 357                         /* Skip to next device address. */
 358                         addr = 0xa2;
 359                         offset = 0;
 360                 }
 361
 362                 rval = qla2x00_read_sfp(ha, ha->sfp_data_dma, addr, offset,
 363                     SFP_BLOCK_SIZE);
 364                 if (rval != QLA_SUCCESS) {
 365                         qla_printk(KERN_WARNING, ha,
 366                             "Unable to read SFP data (%x/%x/%x).\n", rval,
 367                             addr, offset);
 368                         count = 0;
 369                         break;
 370                 }
 371                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 372                 buf += SFP_BLOCK_SIZE;
 373         }
 374
 375         return count;
 376 }
 377
 378 static struct bin_attribute sysfs_sfp_attr = {
 379         .attr = {
 380                 .name = "sfp",
 381                 .mode = S_IRUSR | S_IWUSR,
 382                 .owner = THIS_MODULE,
 383         },
 384         .size = SFP_DEV_SIZE * 2,
 385         .read = qla2x00_sysfs_read_sfp,
 386 };
 387
 388 void
 389 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
 390 {
 391         struct Scsi_Host *host = ha->host;
 392
 393         sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
 394         sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
 395         sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_attr);
 396         sysfs_create_bin_file(&host->shost_gendev.kobj,
 397             &sysfs_optrom_ctl_attr);
 398         sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_vpd_attr);
 399         if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
 400                 sysfs_create_bin_file(&host->shost_gendev.kobj,
 401                     &sysfs_sfp_attr);
 402 }
 403
 404 void
 405 qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
 406 {
 407         struct Scsi_Host *host = ha->host;
 408
 409         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
 410         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
 411         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_attr);
 412         sysfs_remove_bin_file(&host->shost_gendev.kobj,
 413             &sysfs_optrom_ctl_attr);
 414         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_vpd_attr);
 415         if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
 416                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
 417                     &sysfs_sfp_attr);
 418
 419         if (ha->beacon_blink_led == 1)
 420                 ha->isp_ops.beacon_off(ha);
 421 }
 422
 423 /* Scsi_Host attributes. */
 424
 425 static ssize_t
 426 qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
 427 {
 428         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 429 }
 430
 431 static ssize_t
 432 qla2x00_fw_version_show(struct class_device *cdev, char *buf)
 433 {
 434         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 435         char fw_str[30];
 436
 437         return snprintf(buf, PAGE_SIZE, "%s\n",
 438             ha->isp_ops.fw_version_str(ha, fw_str));
 439 }
 440
 441 static ssize_t
 442 qla2x00_serial_num_show(struct class_device *cdev, char *buf)
 443 {
 444         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 445         uint32_t sn;
 446
 447         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 448         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 449             sn % 100000);
 450 }
 451
 452 static ssize_t
 453 qla2x00_isp_name_show(struct class_device *cdev, char *buf)
 454 {
 455         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 456         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
 457 }
 458
 459 static ssize_t
 460 qla2x00_isp_id_show(struct class_device *cdev, char *buf)
 461 {
 462         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 463         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 464             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 465             ha->product_id[3]);
 466 }
 467
 468 static ssize_t
 469 qla2x00_model_name_show(struct class_device *cdev, char *buf)
 470 {
 471         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 472         return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
 473 }
 474
 475 static ssize_t
 476 qla2x00_model_desc_show(struct class_device *cdev, char *buf)
 477 {
 478         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 479         return snprintf(buf, PAGE_SIZE, "%s\n",
 480             ha->model_desc ? ha->model_desc: "");
 481 }
 482
 483 static ssize_t
 484 qla2x00_pci_info_show(struct class_device *cdev, char *buf)
 485 {
 486         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 487         char pci_info[30];
 488
 489         return snprintf(buf, PAGE_SIZE, "%s\n",
 490             ha->isp_ops.pci_info_str(ha, pci_info));
 491 }
 492
 493 static ssize_t
 494 qla2x00_state_show(struct class_device *cdev, char *buf)
 495 {
 496         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 497         int len = 0;
 498
 499         if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
 500             atomic_read(&ha->loop_state) == LOOP_DEAD)
 501                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 502         else if (atomic_read(&ha->loop_state) != LOOP_READY ||
 503             test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
 504             test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
 505                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 506         else {
 507                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
 508
 509                 switch (ha->current_topology) {
 510                 case ISP_CFG_NL:
 511                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 512                         break;
 513                 case ISP_CFG_FL:
 514                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
 515                         break;
 516                 case ISP_CFG_N:
 517                         len += snprintf(buf + len, PAGE_SIZE-len,
 518                             "N_Port to N_Port\n");
 519                         break;
 520                 case ISP_CFG_F:
 521                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
 522                         break;
 523                 default:
 524                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 525                         break;
 526                 }
 527         }
 528         return len;
 529 }
 530
 531 static ssize_t
 532 qla2x00_zio_show(struct class_device *cdev, char *buf)
 533 {
 534         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 535         int len = 0;
 536
 537         switch (ha->zio_mode) {
 538         case QLA_ZIO_MODE_6:
 539                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
 540                 break;
 541         case QLA_ZIO_DISABLED:
 542                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 543                 break;
 544         }
 545         return len;
 546 }
 547
 548 static ssize_t
 549 qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count)
 550 {
 551         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 552         int val = 0;
 553         uint16_t zio_mode;
 554
 555         if (!IS_ZIO_SUPPORTED(ha))
 556                 return -ENOTSUPP;
 557
 558         if (sscanf(buf, "%d", &val) != 1)
 559                 return -EINVAL;
 560
 561         if (val)
 562                 zio_mode = QLA_ZIO_MODE_6;
 563         else
 564                 zio_mode = QLA_ZIO_DISABLED;
 565
 566         /* Update per-hba values and queue a reset. */
 567         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
 568                 ha->zio_mode = zio_mode;
 569                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 570         }
 571         return strlen(buf);
 572 }
 573
 574 static ssize_t
 575 qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
 576 {
 577         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 578
 579         return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
 580 }
 581
 582 static ssize_t
 583 qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
 584     size_t count)
 585 {
 586         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 587         int val = 0;
 588         uint16_t zio_timer;
 589
 590         if (sscanf(buf, "%d", &val) != 1)
 591                 return -EINVAL;
 592         if (val > 25500 || val < 100)
 593                 return -ERANGE;
 594
 595         zio_timer = (uint16_t)(val / 100);
 596         ha->zio_timer = zio_timer;
 597
 598         return strlen(buf);
 599 }
 600
 601 static ssize_t
 602 qla2x00_beacon_show(struct class_device *cdev, char *buf)
 603 {
 604         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 605         int len = 0;
 606
 607         if (ha->beacon_blink_led)
 608                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
 609         else
 610                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 611         return len;
 612 }
 613
 614 static ssize_t
 615 qla2x00_beacon_store(struct class_device *cdev, const char *buf,
 616     size_t count)
 617 {
 618         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 619         int val = 0;
 620         int rval;
 621
 622         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 623                 return -EPERM;
 624
 625         if (test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) {
 626                 qla_printk(KERN_WARNING, ha,
 627                     "Abort ISP active -- ignoring beacon request.\n");
 628                 return -EBUSY;
 629         }
 630
 631         if (sscanf(buf, "%d", &val) != 1)
 632                 return -EINVAL;
 633
 634         if (val)
 635                 rval = ha->isp_ops.beacon_on(ha);
 636         else
 637                 rval = ha->isp_ops.beacon_off(ha);
 638
 639         if (rval != QLA_SUCCESS)
 640                 count = 0;
 641
 642         return count;
 643 }
 644
 645 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
 646         NULL);
 647 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
 648 static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
 649 static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
 650 static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
 651 static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
 652 static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
 653 static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
 654 static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
 655 static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
 656     qla2x00_zio_store);
 657 static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
 658     qla2x00_zio_timer_store);
 659 static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
 660     qla2x00_beacon_store);
 661
 662 struct class_device_attribute *qla2x00_host_attrs[] = {
 663         &class_device_attr_driver_version,
 664         &class_device_attr_fw_version,
 665         &class_device_attr_serial_num,
 666         &class_device_attr_isp_name,
 667         &class_device_attr_isp_id,
 668         &class_device_attr_model_name,
 669         &class_device_attr_model_desc,
 670         &class_device_attr_pci_info,
 671         &class_device_attr_state,
 672         &class_device_attr_zio,
 673         &class_device_attr_zio_timer,
 674         &class_device_attr_beacon,
 675         NULL,
 676 };
 677
 678 /* Host attributes. */
 679
 680 static void
 681 qla2x00_get_host_port_id(struct Scsi_Host *shost)
 682 {
 683         scsi_qla_host_t *ha = to_qla_host(shost);
 684
 685         fc_host_port_id(shost) = ha->d_id.b.domain << 16 |
 686             ha->d_id.b.area << 8 | ha->d_id.b.al_pa;
 687 }
 688
 689 static void
 690 qla2x00_get_host_speed(struct Scsi_Host *shost)
 691 {
 692         scsi_qla_host_t *ha = to_qla_host(shost);
 693         uint32_t speed = 0;
 694
 695         switch (ha->link_data_rate) {
 696         case LDR_1GB:
 697                 speed = 1;
 698                 break;
 699         case LDR_2GB:
 700                 speed = 2;
 701                 break;
 702         case LDR_4GB:
 703                 speed = 4;
 704                 break;
 705         }
 706         fc_host_speed(shost) = speed;
 707 }
 708
 709 static void
 710 qla2x00_get_host_port_type(struct Scsi_Host *shost)
 711 {
 712         scsi_qla_host_t *ha = to_qla_host(shost);
 713         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
 714
 715         switch (ha->current_topology) {
 716         case ISP_CFG_NL:
 717                 port_type = FC_PORTTYPE_LPORT;
 718                 break;
 719         case ISP_CFG_FL:
 720                 port_type = FC_PORTTYPE_NLPORT;
 721                 break;
 722         case ISP_CFG_N:
 723                 port_type = FC_PORTTYPE_PTP;
 724                 break;
 725         case ISP_CFG_F:
 726                 port_type = FC_PORTTYPE_NPORT;
 727                 break;
 728         }
 729         fc_host_port_type(shost) = port_type;
 730 }
 731
 732 static void
 733 qla2x00_get_starget_node_name(struct scsi_target *starget)
 734 {
 735         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 736         scsi_qla_host_t *ha = to_qla_host(host);
 737         fc_port_t *fcport;
 738         u64 node_name = 0;
 739
 740         list_for_each_entry(fcport, &ha->fcports, list) {
 741                 if (starget->id == fcport->os_target_id) {
 742                         node_name = wwn_to_u64(fcport->node_name);
 743                         break;
 744                 }
 745         }
 746
 747         fc_starget_node_name(starget) = node_name;
 748 }
 749
 750 static void
 751 qla2x00_get_starget_port_name(struct scsi_target *starget)
 752 {
 753         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 754         scsi_qla_host_t *ha = to_qla_host(host);
 755         fc_port_t *fcport;
 756         u64 port_name = 0;
 757
 758         list_for_each_entry(fcport, &ha->fcports, list) {
 759                 if (starget->id == fcport->os_target_id) {
 760                         port_name = wwn_to_u64(fcport->port_name);
 761                         break;
 762                 }
 763         }
 764
 765         fc_starget_port_name(starget) = port_name;
 766 }
 767
 768 static void
 769 qla2x00_get_starget_port_id(struct scsi_target *starget)
 770 {
 771         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 772         scsi_qla_host_t *ha = to_qla_host(host);
 773         fc_port_t *fcport;
 774         uint32_t port_id = ~0U;
 775
 776         list_for_each_entry(fcport, &ha->fcports, list) {
 777                 if (starget->id == fcport->os_target_id) {
 778                         port_id = fcport->d_id.b.domain << 16 |
 779                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
 780                         break;
 781                 }
 782         }
 783
 784         fc_starget_port_id(starget) = port_id;
 785 }
 786
 787 static void
 788 qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
 789 {
 790         struct Scsi_Host *host = rport_to_shost(rport);
 791         scsi_qla_host_t *ha = to_qla_host(host);
 792
 793         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 794 }
 795
 796 static void
 797 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 798 {
 799         struct Scsi_Host *host = rport_to_shost(rport);
 800         scsi_qla_host_t *ha = to_qla_host(host);
 801
 802         if (timeout)
 803                 ha->port_down_retry_count = timeout;
 804         else
 805                 ha->port_down_retry_count = 1;
 806
 807         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 808 }
 809
 810 static int
 811 qla2x00_issue_lip(struct Scsi_Host *shost)
 812 {
 813         scsi_qla_host_t *ha = to_qla_host(shost);
 814
 815         set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
 816         return 0;
 817 }
 818
 819 static struct fc_host_statistics *
 820 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
 821 {
 822         scsi_qla_host_t *ha = to_qla_host(shost);
 823         int rval;
 824         uint16_t mb_stat[1];
 825         link_stat_t stat_buf;
 826         struct fc_host_statistics *pfc_host_stat;
 827
 828         pfc_host_stat = &ha->fc_host_stat;
 829         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
 830
 831         if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 832                 rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
 833                     sizeof(stat_buf) / 4, mb_stat);
 834         } else {
 835                 rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
 836                     mb_stat);
 837         }
 838         if (rval != 0) {
 839                 qla_printk(KERN_WARNING, ha,
 840                     "Unable to retrieve host statistics (%d).\n", mb_stat[0]);
 841                 return pfc_host_stat;
 842         }
 843
 844         pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
 845         pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
 846         pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
 847         pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
 848         pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
 849         pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
 850
 851         return pfc_host_stat;
 852 }
 853
 854 struct fc_function_template qla2xxx_transport_functions = {
 855
 856         .show_host_node_name = 1,
 857         .show_host_port_name = 1,
 858         .show_host_supported_classes = 1,
 859
 860         .get_host_port_id = qla2x00_get_host_port_id,
 861         .show_host_port_id = 1,
 862         .get_host_speed = qla2x00_get_host_speed,
 863         .show_host_speed = 1,
 864         .get_host_port_type = qla2x00_get_host_port_type,
 865         .show_host_port_type = 1,
 866
 867         .dd_fcrport_size = sizeof(struct fc_port *),
 868         .show_rport_supported_classes = 1,
 869
 870         .get_starget_node_name = qla2x00_get_starget_node_name,
 871         .show_starget_node_name = 1,
 872         .get_starget_port_name = qla2x00_get_starget_port_name,
 873         .show_starget_port_name = 1,
 874         .get_starget_port_id  = qla2x00_get_starget_port_id,
 875         .show_starget_port_id = 1,
 876
 877         .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
 878         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
 879         .show_rport_dev_loss_tmo = 1,
 880
 881         .issue_fc_host_lip = qla2x00_issue_lip,
 882         .get_fc_host_stats = qla2x00_get_fc_host_stats,
 883 };
 884
 885 void
 886 qla2x00_init_host_attr(scsi_qla_host_t *ha)
 887 {
 888         fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
 889         fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
 890         fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
 891 }