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   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         },
  77         .size = 0,
  78         .read = qla2x00_sysfs_read_fw_dump,
  79         .write = qla2x00_sysfs_write_fw_dump,
  80 };
  81
  82 static ssize_t
  83 qla2x00_sysfs_read_nvram(struct kobject *kobj, char *buf, loff_t off,
  84     size_t count)
  85 {
  86         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
  87             struct device, kobj)));
  88         unsigned long   flags;
  89
  90         if (!capable(CAP_SYS_ADMIN) || off != 0)
  91                 return 0;
  92
  93         /* Read NVRAM. */
  94         spin_lock_irqsave(&ha->hardware_lock, flags);
  95         ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->nvram_base,
  96             ha->nvram_size);
  97         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  98
  99         return ha->nvram_size;
 100 }
 101
 102 static ssize_t
 103 qla2x00_sysfs_write_nvram(struct kobject *kobj, char *buf, loff_t off,
 104     size_t count)
 105 {
 106         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 107             struct device, kobj)));
 108         unsigned long   flags;
 109         uint16_t        cnt;
 110
 111         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size)
 112                 return 0;
 113
 114         /* Checksum NVRAM. */
 115         if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 116                 uint32_t *iter;
 117                 uint32_t chksum;
 118
 119                 iter = (uint32_t *)buf;
 120                 chksum = 0;
 121                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
 122                         chksum += le32_to_cpu(*iter++);
 123                 chksum = ~chksum + 1;
 124                 *iter = cpu_to_le32(chksum);
 125         } else {
 126                 uint8_t *iter;
 127                 uint8_t chksum;
 128
 129                 iter = (uint8_t *)buf;
 130                 chksum = 0;
 131                 for (cnt = 0; cnt < count - 1; cnt++)
 132                         chksum += *iter++;
 133                 chksum = ~chksum + 1;
 134                 *iter = chksum;
 135         }
 136
 137         /* Write NVRAM. */
 138         spin_lock_irqsave(&ha->hardware_lock, flags);
 139         ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count);
 140         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 141
 142         set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 143
 144         return (count);
 145 }
 146
 147 static struct bin_attribute sysfs_nvram_attr = {
 148         .attr = {
 149                 .name = "nvram",
 150                 .mode = S_IRUSR | S_IWUSR,
 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         },
 200         .size = OPTROM_SIZE_24XX,
 201         .read = qla2x00_sysfs_read_optrom,
 202         .write = qla2x00_sysfs_write_optrom,
 203 };
 204
 205 static ssize_t
 206 qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj, char *buf, loff_t off,
 207     size_t count)
 208 {
 209         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 210             struct device, kobj)));
 211         int val;
 212
 213         if (off)
 214                 return 0;
 215
 216         if (sscanf(buf, "%d", &val) != 1)
 217                 return -EINVAL;
 218
 219         switch (val) {
 220         case 0:
 221                 if (ha->optrom_state != QLA_SREADING &&
 222                     ha->optrom_state != QLA_SWRITING)
 223                         break;
 224
 225                 ha->optrom_state = QLA_SWAITING;
 226                 vfree(ha->optrom_buffer);
 227                 ha->optrom_buffer = NULL;
 228                 break;
 229         case 1:
 230                 if (ha->optrom_state != QLA_SWAITING)
 231                         break;
 232
 233                 ha->optrom_state = QLA_SREADING;
 234                 ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
 235                 if (ha->optrom_buffer == NULL) {
 236                         qla_printk(KERN_WARNING, ha,
 237                             "Unable to allocate memory for optrom retrieval "
 238                             "(%x).\n", ha->optrom_size);
 239
 240                         ha->optrom_state = QLA_SWAITING;
 241                         return count;
 242                 }
 243
 244                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 245                 ha->isp_ops.read_optrom(ha, ha->optrom_buffer, 0,
 246                     ha->optrom_size);
 247                 break;
 248         case 2:
 249                 if (ha->optrom_state != QLA_SWAITING)
 250                         break;
 251
 252                 ha->optrom_state = QLA_SWRITING;
 253                 ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
 254                 if (ha->optrom_buffer == NULL) {
 255                         qla_printk(KERN_WARNING, ha,
 256                             "Unable to allocate memory for optrom update "
 257                             "(%x).\n", ha->optrom_size);
 258
 259                         ha->optrom_state = QLA_SWAITING;
 260                         return count;
 261                 }
 262                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 263                 break;
 264         case 3:
 265                 if (ha->optrom_state != QLA_SWRITING)
 266                         break;
 267
 268                 ha->isp_ops.write_optrom(ha, ha->optrom_buffer, 0,
 269                     ha->optrom_size);
 270                 break;
 271         }
 272         return count;
 273 }
 274
 275 static struct bin_attribute sysfs_optrom_ctl_attr = {
 276         .attr = {
 277                 .name = "optrom_ctl",
 278                 .mode = S_IWUSR,
 279         },
 280         .size = 0,
 281         .write = qla2x00_sysfs_write_optrom_ctl,
 282 };
 283
 284 static ssize_t
 285 qla2x00_sysfs_read_vpd(struct kobject *kobj, char *buf, loff_t off,
 286     size_t count)
 287 {
 288         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 289             struct device, kobj)));
 290         unsigned long flags;
 291
 292         if (!capable(CAP_SYS_ADMIN) || off != 0)
 293                 return 0;
 294
 295         /* Read NVRAM. */
 296         spin_lock_irqsave(&ha->hardware_lock, flags);
 297         ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->vpd_base, ha->vpd_size);
 298         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 299
 300         return ha->vpd_size;
 301 }
 302
 303 static ssize_t
 304 qla2x00_sysfs_write_vpd(struct kobject *kobj, char *buf, loff_t off,
 305     size_t count)
 306 {
 307         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 308             struct device, kobj)));
 309         unsigned long flags;
 310
 311         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size)
 312                 return 0;
 313
 314         /* Write NVRAM. */
 315         spin_lock_irqsave(&ha->hardware_lock, flags);
 316         ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->vpd_base, count);
 317         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 318
 319         return count;
 320 }
 321
 322 static struct bin_attribute sysfs_vpd_attr = {
 323         .attr = {
 324                 .name = "vpd",
 325                 .mode = S_IRUSR | S_IWUSR,
 326         },
 327         .size = 0,
 328         .read = qla2x00_sysfs_read_vpd,
 329         .write = qla2x00_sysfs_write_vpd,
 330 };
 331
 332 static ssize_t
 333 qla2x00_sysfs_read_sfp(struct kobject *kobj, char *buf, loff_t off,
 334     size_t count)
 335 {
 336         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 337             struct device, kobj)));
 338         uint16_t iter, addr, offset;
 339         int rval;
 340
 341         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
 342                 return 0;
 343
 344         addr = 0xa0;
 345         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
 346             iter++, offset += SFP_BLOCK_SIZE) {
 347                 if (iter == 4) {
 348                         /* Skip to next device address. */
 349                         addr = 0xa2;
 350                         offset = 0;
 351                 }
 352
 353                 rval = qla2x00_read_sfp(ha, ha->sfp_data_dma, addr, offset,
 354                     SFP_BLOCK_SIZE);
 355                 if (rval != QLA_SUCCESS) {
 356                         qla_printk(KERN_WARNING, ha,
 357                             "Unable to read SFP data (%x/%x/%x).\n", rval,
 358                             addr, offset);
 359                         count = 0;
 360                         break;
 361                 }
 362                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 363                 buf += SFP_BLOCK_SIZE;
 364         }
 365
 366         return count;
 367 }
 368
 369 static struct bin_attribute sysfs_sfp_attr = {
 370         .attr = {
 371                 .name = "sfp",
 372                 .mode = S_IRUSR | S_IWUSR,
 373         },
 374         .size = SFP_DEV_SIZE * 2,
 375         .read = qla2x00_sysfs_read_sfp,
 376 };
 377
 378 static struct sysfs_entry {
 379         char *name;
 380         struct bin_attribute *attr;
 381         int is4GBp_only;
 382 } bin_file_entries[] = {
 383         { "fw_dump", &sysfs_fw_dump_attr, },
 384         { "nvram", &sysfs_nvram_attr, },
 385         { "optrom", &sysfs_optrom_attr, },
 386         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
 387         { "vpd", &sysfs_vpd_attr, 1 },
 388         { "sfp", &sysfs_sfp_attr, 1 },
 389         { NULL },
 390 };
 391
 392 void
 393 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
 394 {
 395         struct Scsi_Host *host = ha->host;
 396         struct sysfs_entry *iter;
 397         int ret;
 398
 399         for (iter = bin_file_entries; iter->name; iter++) {
 400                 if (iter->is4GBp_only && (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)))
 401                         continue;
 402
 403                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
 404                     iter->attr);
 405                 if (ret)
 406                         qla_printk(KERN_INFO, ha,
 407                             "Unable to create sysfs %s binary attribute "
 408                             "(%d).\n", iter->name, ret);
 409         }
 410 }
 411
 412 void
 413 qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
 414 {
 415         struct Scsi_Host *host = ha->host;
 416         struct sysfs_entry *iter;
 417
 418         for (iter = bin_file_entries; iter->name; iter++) {
 419                 if (iter->is4GBp_only && (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)))
 420                         continue;
 421
 422                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
 423                     iter->attr);
 424         }
 425
 426         if (ha->beacon_blink_led == 1)
 427                 ha->isp_ops.beacon_off(ha);
 428 }
 429
 430 /* Scsi_Host attributes. */
 431
 432 static ssize_t
 433 qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
 434 {
 435         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 436 }
 437
 438 static ssize_t
 439 qla2x00_fw_version_show(struct class_device *cdev, char *buf)
 440 {
 441         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 442         char fw_str[30];
 443
 444         return snprintf(buf, PAGE_SIZE, "%s\n",
 445             ha->isp_ops.fw_version_str(ha, fw_str));
 446 }
 447
 448 static ssize_t
 449 qla2x00_serial_num_show(struct class_device *cdev, char *buf)
 450 {
 451         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 452         uint32_t sn;
 453
 454         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 455         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 456             sn % 100000);
 457 }
 458
 459 static ssize_t
 460 qla2x00_isp_name_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, "ISP%04X\n", ha->pdev->device);
 464 }
 465
 466 static ssize_t
 467 qla2x00_isp_id_show(struct class_device *cdev, char *buf)
 468 {
 469         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 470         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 471             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 472             ha->product_id[3]);
 473 }
 474
 475 static ssize_t
 476 qla2x00_model_name_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", ha->model_number);
 480 }
 481
 482 static ssize_t
 483 qla2x00_model_desc_show(struct class_device *cdev, char *buf)
 484 {
 485         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 486         return snprintf(buf, PAGE_SIZE, "%s\n",
 487             ha->model_desc ? ha->model_desc: "");
 488 }
 489
 490 static ssize_t
 491 qla2x00_pci_info_show(struct class_device *cdev, char *buf)
 492 {
 493         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 494         char pci_info[30];
 495
 496         return snprintf(buf, PAGE_SIZE, "%s\n",
 497             ha->isp_ops.pci_info_str(ha, pci_info));
 498 }
 499
 500 static ssize_t
 501 qla2x00_state_show(struct class_device *cdev, char *buf)
 502 {
 503         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 504         int len = 0;
 505
 506         if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
 507             atomic_read(&ha->loop_state) == LOOP_DEAD)
 508                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 509         else if (atomic_read(&ha->loop_state) != LOOP_READY ||
 510             test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
 511             test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
 512                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 513         else {
 514                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
 515
 516                 switch (ha->current_topology) {
 517                 case ISP_CFG_NL:
 518                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 519                         break;
 520                 case ISP_CFG_FL:
 521                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
 522                         break;
 523                 case ISP_CFG_N:
 524                         len += snprintf(buf + len, PAGE_SIZE-len,
 525                             "N_Port to N_Port\n");
 526                         break;
 527                 case ISP_CFG_F:
 528                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
 529                         break;
 530                 default:
 531                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 532                         break;
 533                 }
 534         }
 535         return len;
 536 }
 537
 538 static ssize_t
 539 qla2x00_zio_show(struct class_device *cdev, char *buf)
 540 {
 541         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 542         int len = 0;
 543
 544         switch (ha->zio_mode) {
 545         case QLA_ZIO_MODE_6:
 546                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
 547                 break;
 548         case QLA_ZIO_DISABLED:
 549                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 550                 break;
 551         }
 552         return len;
 553 }
 554
 555 static ssize_t
 556 qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count)
 557 {
 558         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 559         int val = 0;
 560         uint16_t zio_mode;
 561
 562         if (!IS_ZIO_SUPPORTED(ha))
 563                 return -ENOTSUPP;
 564
 565         if (sscanf(buf, "%d", &val) != 1)
 566                 return -EINVAL;
 567
 568         if (val)
 569                 zio_mode = QLA_ZIO_MODE_6;
 570         else
 571                 zio_mode = QLA_ZIO_DISABLED;
 572
 573         /* Update per-hba values and queue a reset. */
 574         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
 575                 ha->zio_mode = zio_mode;
 576                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 577         }
 578         return strlen(buf);
 579 }
 580
 581 static ssize_t
 582 qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
 583 {
 584         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 585
 586         return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
 587 }
 588
 589 static ssize_t
 590 qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
 591     size_t count)
 592 {
 593         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 594         int val = 0;
 595         uint16_t zio_timer;
 596
 597         if (sscanf(buf, "%d", &val) != 1)
 598                 return -EINVAL;
 599         if (val > 25500 || val < 100)
 600                 return -ERANGE;
 601
 602         zio_timer = (uint16_t)(val / 100);
 603         ha->zio_timer = zio_timer;
 604
 605         return strlen(buf);
 606 }
 607
 608 static ssize_t
 609 qla2x00_beacon_show(struct class_device *cdev, char *buf)
 610 {
 611         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 612         int len = 0;
 613
 614         if (ha->beacon_blink_led)
 615                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
 616         else
 617                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 618         return len;
 619 }
 620
 621 static ssize_t
 622 qla2x00_beacon_store(struct class_device *cdev, const char *buf,
 623     size_t count)
 624 {
 625         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 626         int val = 0;
 627         int rval;
 628
 629         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 630                 return -EPERM;
 631
 632         if (test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) {
 633                 qla_printk(KERN_WARNING, ha,
 634                     "Abort ISP active -- ignoring beacon request.\n");
 635                 return -EBUSY;
 636         }
 637
 638         if (sscanf(buf, "%d", &val) != 1)
 639                 return -EINVAL;
 640
 641         if (val)
 642                 rval = ha->isp_ops.beacon_on(ha);
 643         else
 644                 rval = ha->isp_ops.beacon_off(ha);
 645
 646         if (rval != QLA_SUCCESS)
 647                 count = 0;
 648
 649         return count;
 650 }
 651
 652 static ssize_t
 653 qla2x00_optrom_bios_version_show(struct class_device *cdev, char *buf)
 654 {
 655         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 656
 657         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
 658             ha->bios_revision[0]);
 659 }
 660
 661 static ssize_t
 662 qla2x00_optrom_efi_version_show(struct class_device *cdev, char *buf)
 663 {
 664         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 665
 666         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
 667             ha->efi_revision[0]);
 668 }
 669
 670 static ssize_t
 671 qla2x00_optrom_fcode_version_show(struct class_device *cdev, char *buf)
 672 {
 673         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 674
 675         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
 676             ha->fcode_revision[0]);
 677 }
 678
 679 static ssize_t
 680 qla2x00_optrom_fw_version_show(struct class_device *cdev, char *buf)
 681 {
 682         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 683
 684         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
 685             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
 686             ha->fw_revision[3]);
 687 }
 688
 689 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
 690         NULL);
 691 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
 692 static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
 693 static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
 694 static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
 695 static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
 696 static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
 697 static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
 698 static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
 699 static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
 700     qla2x00_zio_store);
 701 static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
 702     qla2x00_zio_timer_store);
 703 static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
 704     qla2x00_beacon_store);
 705 static CLASS_DEVICE_ATTR(optrom_bios_version, S_IRUGO,
 706     qla2x00_optrom_bios_version_show, NULL);
 707 static CLASS_DEVICE_ATTR(optrom_efi_version, S_IRUGO,
 708     qla2x00_optrom_efi_version_show, NULL);
 709 static CLASS_DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
 710     qla2x00_optrom_fcode_version_show, NULL);
 711 static CLASS_DEVICE_ATTR(optrom_fw_version, S_IRUGO,
 712     qla2x00_optrom_fw_version_show, NULL);
 713
 714 struct class_device_attribute *qla2x00_host_attrs[] = {
 715         &class_device_attr_driver_version,
 716         &class_device_attr_fw_version,
 717         &class_device_attr_serial_num,
 718         &class_device_attr_isp_name,
 719         &class_device_attr_isp_id,
 720         &class_device_attr_model_name,
 721         &class_device_attr_model_desc,
 722         &class_device_attr_pci_info,
 723         &class_device_attr_state,
 724         &class_device_attr_zio,
 725         &class_device_attr_zio_timer,
 726         &class_device_attr_beacon,
 727         &class_device_attr_optrom_bios_version,
 728         &class_device_attr_optrom_efi_version,
 729         &class_device_attr_optrom_fcode_version,
 730         &class_device_attr_optrom_fw_version,
 731         NULL,
 732 };
 733
 734 /* Host attributes. */
 735
 736 static void
 737 qla2x00_get_host_port_id(struct Scsi_Host *shost)
 738 {
 739         scsi_qla_host_t *ha = to_qla_host(shost);
 740
 741         fc_host_port_id(shost) = ha->d_id.b.domain << 16 |
 742             ha->d_id.b.area << 8 | ha->d_id.b.al_pa;
 743 }
 744
 745 static void
 746 qla2x00_get_host_speed(struct Scsi_Host *shost)
 747 {
 748         scsi_qla_host_t *ha = to_qla_host(shost);
 749         uint32_t speed = 0;
 750
 751         switch (ha->link_data_rate) {
 752         case PORT_SPEED_1GB:
 753                 speed = 1;
 754                 break;
 755         case PORT_SPEED_2GB:
 756                 speed = 2;
 757                 break;
 758         case PORT_SPEED_4GB:
 759                 speed = 4;
 760                 break;
 761         }
 762         fc_host_speed(shost) = speed;
 763 }
 764
 765 static void
 766 qla2x00_get_host_port_type(struct Scsi_Host *shost)
 767 {
 768         scsi_qla_host_t *ha = to_qla_host(shost);
 769         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
 770
 771         switch (ha->current_topology) {
 772         case ISP_CFG_NL:
 773                 port_type = FC_PORTTYPE_LPORT;
 774                 break;
 775         case ISP_CFG_FL:
 776                 port_type = FC_PORTTYPE_NLPORT;
 777                 break;
 778         case ISP_CFG_N:
 779                 port_type = FC_PORTTYPE_PTP;
 780                 break;
 781         case ISP_CFG_F:
 782                 port_type = FC_PORTTYPE_NPORT;
 783                 break;
 784         }
 785         fc_host_port_type(shost) = port_type;
 786 }
 787
 788 static void
 789 qla2x00_get_starget_node_name(struct scsi_target *starget)
 790 {
 791         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 792         scsi_qla_host_t *ha = to_qla_host(host);
 793         fc_port_t *fcport;
 794         u64 node_name = 0;
 795
 796         list_for_each_entry(fcport, &ha->fcports, list) {
 797                 if (starget->id == fcport->os_target_id) {
 798                         node_name = wwn_to_u64(fcport->node_name);
 799                         break;
 800                 }
 801         }
 802
 803         fc_starget_node_name(starget) = node_name;
 804 }
 805
 806 static void
 807 qla2x00_get_starget_port_name(struct scsi_target *starget)
 808 {
 809         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 810         scsi_qla_host_t *ha = to_qla_host(host);
 811         fc_port_t *fcport;
 812         u64 port_name = 0;
 813
 814         list_for_each_entry(fcport, &ha->fcports, list) {
 815                 if (starget->id == fcport->os_target_id) {
 816                         port_name = wwn_to_u64(fcport->port_name);
 817                         break;
 818                 }
 819         }
 820
 821         fc_starget_port_name(starget) = port_name;
 822 }
 823
 824 static void
 825 qla2x00_get_starget_port_id(struct scsi_target *starget)
 826 {
 827         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 828         scsi_qla_host_t *ha = to_qla_host(host);
 829         fc_port_t *fcport;
 830         uint32_t port_id = ~0U;
 831
 832         list_for_each_entry(fcport, &ha->fcports, list) {
 833                 if (starget->id == fcport->os_target_id) {
 834                         port_id = fcport->d_id.b.domain << 16 |
 835                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
 836                         break;
 837                 }
 838         }
 839
 840         fc_starget_port_id(starget) = port_id;
 841 }
 842
 843 static void
 844 qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
 845 {
 846         struct Scsi_Host *host = rport_to_shost(rport);
 847         scsi_qla_host_t *ha = to_qla_host(host);
 848
 849         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 850 }
 851
 852 static void
 853 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 854 {
 855         struct Scsi_Host *host = rport_to_shost(rport);
 856         scsi_qla_host_t *ha = to_qla_host(host);
 857
 858         if (timeout)
 859                 ha->port_down_retry_count = timeout;
 860         else
 861                 ha->port_down_retry_count = 1;
 862
 863         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 864 }
 865
 866 static int
 867 qla2x00_issue_lip(struct Scsi_Host *shost)
 868 {
 869         scsi_qla_host_t *ha = to_qla_host(shost);
 870
 871         set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
 872         return 0;
 873 }
 874
 875 static struct fc_host_statistics *
 876 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
 877 {
 878         scsi_qla_host_t *ha = to_qla_host(shost);
 879         int rval;
 880         uint16_t mb_stat[1];
 881         link_stat_t stat_buf;
 882         struct fc_host_statistics *pfc_host_stat;
 883
 884         rval = QLA_FUNCTION_FAILED;
 885         pfc_host_stat = &ha->fc_host_stat;
 886         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
 887
 888         if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 889                 rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
 890                     sizeof(stat_buf) / 4, mb_stat);
 891         } else if (atomic_read(&ha->loop_state) == LOOP_READY &&
 892                     !test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) &&
 893                     !test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) &&
 894                     !ha->dpc_active) {
 895                 /* Must be in a 'READY' state for statistics retrieval. */
 896                 rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
 897                     mb_stat);
 898         }
 899
 900         if (rval != QLA_SUCCESS)
 901                 goto done;
 902
 903         pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
 904         pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
 905         pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
 906         pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
 907         pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
 908         pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
 909 done:
 910         return pfc_host_stat;
 911 }
 912
 913 static void
 914 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
 915 {
 916         scsi_qla_host_t *ha = to_qla_host(shost);
 917
 918         qla2x00_get_sym_node_name(ha, fc_host_symbolic_name(shost));
 919 }
 920
 921 static void
 922 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
 923 {
 924         scsi_qla_host_t *ha = to_qla_host(shost);
 925
 926         set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
 927 }
 928
 929 static void
 930 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
 931 {
 932         scsi_qla_host_t *ha = to_qla_host(shost);
 933         u64 node_name;
 934
 935         if (ha->device_flags & SWITCH_FOUND)
 936                 node_name = wwn_to_u64(ha->fabric_node_name);
 937         else
 938                 node_name = wwn_to_u64(ha->node_name);
 939
 940         fc_host_fabric_name(shost) = node_name;
 941 }
 942
 943 static void
 944 qla2x00_get_host_port_state(struct Scsi_Host *shost)
 945 {
 946         scsi_qla_host_t *ha = to_qla_host(shost);
 947
 948         if (!ha->flags.online)
 949                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
 950         else if (atomic_read(&ha->loop_state) == LOOP_TIMEOUT)
 951                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
 952         else
 953                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
 954 }
 955
 956 struct fc_function_template qla2xxx_transport_functions = {
 957
 958         .show_host_node_name = 1,
 959         .show_host_port_name = 1,
 960         .show_host_supported_classes = 1,
 961
 962         .get_host_port_id = qla2x00_get_host_port_id,
 963         .show_host_port_id = 1,
 964         .get_host_speed = qla2x00_get_host_speed,
 965         .show_host_speed = 1,
 966         .get_host_port_type = qla2x00_get_host_port_type,
 967         .show_host_port_type = 1,
 968         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
 969         .show_host_symbolic_name = 1,
 970         .set_host_system_hostname = qla2x00_set_host_system_hostname,
 971         .show_host_system_hostname = 1,
 972         .get_host_fabric_name = qla2x00_get_host_fabric_name,
 973         .show_host_fabric_name = 1,
 974         .get_host_port_state = qla2x00_get_host_port_state,
 975         .show_host_port_state = 1,
 976
 977         .dd_fcrport_size = sizeof(struct fc_port *),
 978         .show_rport_supported_classes = 1,
 979
 980         .get_starget_node_name = qla2x00_get_starget_node_name,
 981         .show_starget_node_name = 1,
 982         .get_starget_port_name = qla2x00_get_starget_port_name,
 983         .show_starget_port_name = 1,
 984         .get_starget_port_id  = qla2x00_get_starget_port_id,
 985         .show_starget_port_id = 1,
 986
 987         .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
 988         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
 989         .show_rport_dev_loss_tmo = 1,
 990
 991         .issue_fc_host_lip = qla2x00_issue_lip,
 992         .get_fc_host_stats = qla2x00_get_fc_host_stats,
 993 };
 994
 995 void
 996 qla2x00_init_host_attr(scsi_qla_host_t *ha)
 997 {
 998         fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
 999         fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
1000         fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
1001 }