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,
  15                            struct bin_attribute *bin_attr,
  16                            char *buf, loff_t off, size_t count)
  17 {
  18         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
  19             struct device, kobj)));
  20         char *rbuf = (char *)ha->fw_dump;
  21
  22         if (ha->fw_dump_reading == 0)
  23                 return 0;
  24         if (off > ha->fw_dump_len)
  25                 return 0;
  26         if (off + count > ha->fw_dump_len)
  27                 count = ha->fw_dump_len - off;
  28
  29         memcpy(buf, &rbuf[off], count);
  30
  31         return (count);
  32 }
  33
  34 static ssize_t
  35 qla2x00_sysfs_write_fw_dump(struct kobject *kobj,
  36                             struct bin_attribute *bin_attr,
  37                             char *buf, loff_t off, size_t count)
  38 {
  39         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
  40             struct device, kobj)));
  41         int reading;
  42
  43         if (off != 0)
  44                 return (0);
  45
  46         reading = simple_strtol(buf, NULL, 10);
  47         switch (reading) {
  48         case 0:
  49                 if (!ha->fw_dump_reading)
  50                         break;
  51
  52                 qla_printk(KERN_INFO, ha,
  53                     "Firmware dump cleared on (%ld).\n", ha->host_no);
  54
  55                 ha->fw_dump_reading = 0;
  56                 ha->fw_dumped = 0;
  57                 break;
  58         case 1:
  59                 if (ha->fw_dumped && !ha->fw_dump_reading) {
  60                         ha->fw_dump_reading = 1;
  61
  62                         qla_printk(KERN_INFO, ha,
  63                             "Raw firmware dump ready for read on (%ld).\n",
  64                             ha->host_no);
  65                 }
  66                 break;
  67         case 2:
  68                 qla2x00_alloc_fw_dump(ha);
  69                 break;
  70         }
  71         return (count);
  72 }
  73
  74 static struct bin_attribute sysfs_fw_dump_attr = {
  75         .attr = {
  76                 .name = "fw_dump",
  77                 .mode = S_IRUSR | S_IWUSR,
  78         },
  79         .size = 0,
  80         .read = qla2x00_sysfs_read_fw_dump,
  81         .write = qla2x00_sysfs_write_fw_dump,
  82 };
  83
  84 static ssize_t
  85 qla2x00_sysfs_read_nvram(struct kobject *kobj,
  86                          struct bin_attribute *bin_attr,
  87                          char *buf, loff_t off, size_t count)
  88 {
  89         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
  90             struct device, kobj)));
  91         unsigned long   flags;
  92
  93         if (!capable(CAP_SYS_ADMIN) || off != 0)
  94                 return 0;
  95
  96         /* Read NVRAM. */
  97         spin_lock_irqsave(&ha->hardware_lock, flags);
  98         ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->nvram_base,
  99             ha->nvram_size);
 100         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 101
 102         return ha->nvram_size;
 103 }
 104
 105 static ssize_t
 106 qla2x00_sysfs_write_nvram(struct kobject *kobj,
 107                           struct bin_attribute *bin_attr,
 108                           char *buf, loff_t off, size_t count)
 109 {
 110         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 111             struct device, kobj)));
 112         unsigned long   flags;
 113         uint16_t        cnt;
 114
 115         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size)
 116                 return 0;
 117
 118         /* Checksum NVRAM. */
 119         if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 120                 uint32_t *iter;
 121                 uint32_t chksum;
 122
 123                 iter = (uint32_t *)buf;
 124                 chksum = 0;
 125                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
 126                         chksum += le32_to_cpu(*iter++);
 127                 chksum = ~chksum + 1;
 128                 *iter = cpu_to_le32(chksum);
 129         } else {
 130                 uint8_t *iter;
 131                 uint8_t chksum;
 132
 133                 iter = (uint8_t *)buf;
 134                 chksum = 0;
 135                 for (cnt = 0; cnt < count - 1; cnt++)
 136                         chksum += *iter++;
 137                 chksum = ~chksum + 1;
 138                 *iter = chksum;
 139         }
 140
 141         /* Write NVRAM. */
 142         spin_lock_irqsave(&ha->hardware_lock, flags);
 143         ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count);
 144         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 145
 146         set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 147
 148         return (count);
 149 }
 150
 151 static struct bin_attribute sysfs_nvram_attr = {
 152         .attr = {
 153                 .name = "nvram",
 154                 .mode = S_IRUSR | S_IWUSR,
 155         },
 156         .size = 512,
 157         .read = qla2x00_sysfs_read_nvram,
 158         .write = qla2x00_sysfs_write_nvram,
 159 };
 160
 161 static ssize_t
 162 qla2x00_sysfs_read_optrom(struct kobject *kobj,
 163                           struct bin_attribute *bin_attr,
 164                           char *buf, loff_t off, size_t count)
 165 {
 166         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 167             struct device, kobj)));
 168
 169         if (ha->optrom_state != QLA_SREADING)
 170                 return 0;
 171         if (off > ha->optrom_size)
 172                 return 0;
 173         if (off + count > ha->optrom_size)
 174                 count = ha->optrom_size - off;
 175
 176         memcpy(buf, &ha->optrom_buffer[off], count);
 177
 178         return count;
 179 }
 180
 181 static ssize_t
 182 qla2x00_sysfs_write_optrom(struct kobject *kobj,
 183                            struct bin_attribute *bin_attr,
 184                            char *buf, loff_t off, size_t count)
 185 {
 186         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 187             struct device, kobj)));
 188
 189         if (ha->optrom_state != QLA_SWRITING)
 190                 return -EINVAL;
 191         if (off > ha->optrom_size)
 192                 return -ERANGE;
 193         if (off + count > ha->optrom_size)
 194                 count = ha->optrom_size - off;
 195
 196         memcpy(&ha->optrom_buffer[off], buf, count);
 197
 198         return count;
 199 }
 200
 201 static struct bin_attribute sysfs_optrom_attr = {
 202         .attr = {
 203                 .name = "optrom",
 204                 .mode = S_IRUSR | S_IWUSR,
 205         },
 206         .size = OPTROM_SIZE_24XX,
 207         .read = qla2x00_sysfs_read_optrom,
 208         .write = qla2x00_sysfs_write_optrom,
 209 };
 210
 211 static ssize_t
 212 qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
 213                                struct bin_attribute *bin_attr,
 214                                char *buf, loff_t off, size_t count)
 215 {
 216         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 217             struct device, kobj)));
 218         int val;
 219
 220         if (off)
 221                 return 0;
 222
 223         if (sscanf(buf, "%d", &val) != 1)
 224                 return -EINVAL;
 225
 226         switch (val) {
 227         case 0:
 228                 if (ha->optrom_state != QLA_SREADING &&
 229                     ha->optrom_state != QLA_SWRITING)
 230                         break;
 231
 232                 ha->optrom_state = QLA_SWAITING;
 233                 vfree(ha->optrom_buffer);
 234                 ha->optrom_buffer = NULL;
 235                 break;
 236         case 1:
 237                 if (ha->optrom_state != QLA_SWAITING)
 238                         break;
 239
 240                 ha->optrom_state = QLA_SREADING;
 241                 ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
 242                 if (ha->optrom_buffer == NULL) {
 243                         qla_printk(KERN_WARNING, ha,
 244                             "Unable to allocate memory for optrom retrieval "
 245                             "(%x).\n", ha->optrom_size);
 246
 247                         ha->optrom_state = QLA_SWAITING;
 248                         return count;
 249                 }
 250
 251                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 252                 ha->isp_ops.read_optrom(ha, ha->optrom_buffer, 0,
 253                     ha->optrom_size);
 254                 break;
 255         case 2:
 256                 if (ha->optrom_state != QLA_SWAITING)
 257                         break;
 258
 259                 ha->optrom_state = QLA_SWRITING;
 260                 ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
 261                 if (ha->optrom_buffer == NULL) {
 262                         qla_printk(KERN_WARNING, ha,
 263                             "Unable to allocate memory for optrom update "
 264                             "(%x).\n", ha->optrom_size);
 265
 266                         ha->optrom_state = QLA_SWAITING;
 267                         return count;
 268                 }
 269                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 270                 break;
 271         case 3:
 272                 if (ha->optrom_state != QLA_SWRITING)
 273                         break;
 274
 275                 ha->isp_ops.write_optrom(ha, ha->optrom_buffer, 0,
 276                     ha->optrom_size);
 277                 break;
 278         }
 279         return count;
 280 }
 281
 282 static struct bin_attribute sysfs_optrom_ctl_attr = {
 283         .attr = {
 284                 .name = "optrom_ctl",
 285                 .mode = S_IWUSR,
 286         },
 287         .size = 0,
 288         .write = qla2x00_sysfs_write_optrom_ctl,
 289 };
 290
 291 static ssize_t
 292 qla2x00_sysfs_read_vpd(struct kobject *kobj,
 293                        struct bin_attribute *bin_attr,
 294                        char *buf, loff_t off, size_t count)
 295 {
 296         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 297             struct device, kobj)));
 298         unsigned long flags;
 299
 300         if (!capable(CAP_SYS_ADMIN) || off != 0)
 301                 return 0;
 302
 303         /* Read NVRAM. */
 304         spin_lock_irqsave(&ha->hardware_lock, flags);
 305         ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->vpd_base, ha->vpd_size);
 306         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 307
 308         return ha->vpd_size;
 309 }
 310
 311 static ssize_t
 312 qla2x00_sysfs_write_vpd(struct kobject *kobj,
 313                         struct bin_attribute *bin_attr,
 314                         char *buf, loff_t off, size_t count)
 315 {
 316         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 317             struct device, kobj)));
 318         unsigned long flags;
 319
 320         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size)
 321                 return 0;
 322
 323         /* Write NVRAM. */
 324         spin_lock_irqsave(&ha->hardware_lock, flags);
 325         ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->vpd_base, count);
 326         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 327
 328         return count;
 329 }
 330
 331 static struct bin_attribute sysfs_vpd_attr = {
 332         .attr = {
 333                 .name = "vpd",
 334                 .mode = S_IRUSR | S_IWUSR,
 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,
 343                        struct bin_attribute *bin_attr,
 344                        char *buf, loff_t off, size_t count)
 345 {
 346         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 347             struct device, kobj)));
 348         uint16_t iter, addr, offset;
 349         int rval;
 350
 351         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
 352                 return 0;
 353
 354         addr = 0xa0;
 355         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
 356             iter++, offset += SFP_BLOCK_SIZE) {
 357                 if (iter == 4) {
 358                         /* Skip to next device address. */
 359                         addr = 0xa2;
 360                         offset = 0;
 361                 }
 362
 363                 rval = qla2x00_read_sfp(ha, ha->sfp_data_dma, addr, offset,
 364                     SFP_BLOCK_SIZE);
 365                 if (rval != QLA_SUCCESS) {
 366                         qla_printk(KERN_WARNING, ha,
 367                             "Unable to read SFP data (%x/%x/%x).\n", rval,
 368                             addr, offset);
 369                         count = 0;
 370                         break;
 371                 }
 372                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 373                 buf += SFP_BLOCK_SIZE;
 374         }
 375
 376         return count;
 377 }
 378
 379 static struct bin_attribute sysfs_sfp_attr = {
 380         .attr = {
 381                 .name = "sfp",
 382                 .mode = S_IRUSR | S_IWUSR,
 383         },
 384         .size = SFP_DEV_SIZE * 2,
 385         .read = qla2x00_sysfs_read_sfp,
 386 };
 387
 388 static struct sysfs_entry {
 389         char *name;
 390         struct bin_attribute *attr;
 391         int is4GBp_only;
 392 } bin_file_entries[] = {
 393         { "fw_dump", &sysfs_fw_dump_attr, },
 394         { "nvram", &sysfs_nvram_attr, },
 395         { "optrom", &sysfs_optrom_attr, },
 396         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
 397         { "vpd", &sysfs_vpd_attr, 1 },
 398         { "sfp", &sysfs_sfp_attr, 1 },
 399         { NULL },
 400 };
 401
 402 void
 403 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
 404 {
 405         struct Scsi_Host *host = ha->host;
 406         struct sysfs_entry *iter;
 407         int ret;
 408
 409         for (iter = bin_file_entries; iter->name; iter++) {
 410                 if (iter->is4GBp_only && (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)))
 411                         continue;
 412
 413                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
 414                     iter->attr);
 415                 if (ret)
 416                         qla_printk(KERN_INFO, ha,
 417                             "Unable to create sysfs %s binary attribute "
 418                             "(%d).\n", iter->name, ret);
 419         }
 420 }
 421
 422 void
 423 qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
 424 {
 425         struct Scsi_Host *host = ha->host;
 426         struct sysfs_entry *iter;
 427
 428         for (iter = bin_file_entries; iter->name; iter++) {
 429                 if (iter->is4GBp_only && (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)))
 430                         continue;
 431
 432                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
 433                     iter->attr);
 434         }
 435
 436         if (ha->beacon_blink_led == 1)
 437                 ha->isp_ops.beacon_off(ha);
 438 }
 439
 440 /* Scsi_Host attributes. */
 441
 442 static ssize_t
 443 qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
 444 {
 445         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 446 }
 447
 448 static ssize_t
 449 qla2x00_fw_version_show(struct class_device *cdev, char *buf)
 450 {
 451         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 452         char fw_str[30];
 453
 454         return snprintf(buf, PAGE_SIZE, "%s\n",
 455             ha->isp_ops.fw_version_str(ha, fw_str));
 456 }
 457
 458 static ssize_t
 459 qla2x00_serial_num_show(struct class_device *cdev, char *buf)
 460 {
 461         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 462         uint32_t sn;
 463
 464         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 465         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 466             sn % 100000);
 467 }
 468
 469 static ssize_t
 470 qla2x00_isp_name_show(struct class_device *cdev, char *buf)
 471 {
 472         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 473         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
 474 }
 475
 476 static ssize_t
 477 qla2x00_isp_id_show(struct class_device *cdev, char *buf)
 478 {
 479         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 480         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 481             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 482             ha->product_id[3]);
 483 }
 484
 485 static ssize_t
 486 qla2x00_model_name_show(struct class_device *cdev, char *buf)
 487 {
 488         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 489         return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
 490 }
 491
 492 static ssize_t
 493 qla2x00_model_desc_show(struct class_device *cdev, char *buf)
 494 {
 495         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 496         return snprintf(buf, PAGE_SIZE, "%s\n",
 497             ha->model_desc ? ha->model_desc: "");
 498 }
 499
 500 static ssize_t
 501 qla2x00_pci_info_show(struct class_device *cdev, char *buf)
 502 {
 503         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 504         char pci_info[30];
 505
 506         return snprintf(buf, PAGE_SIZE, "%s\n",
 507             ha->isp_ops.pci_info_str(ha, pci_info));
 508 }
 509
 510 static ssize_t
 511 qla2x00_state_show(struct class_device *cdev, char *buf)
 512 {
 513         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 514         int len = 0;
 515
 516         if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
 517             atomic_read(&ha->loop_state) == LOOP_DEAD)
 518                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 519         else if (atomic_read(&ha->loop_state) != LOOP_READY ||
 520             test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
 521             test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
 522                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 523         else {
 524                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
 525
 526                 switch (ha->current_topology) {
 527                 case ISP_CFG_NL:
 528                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 529                         break;
 530                 case ISP_CFG_FL:
 531                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
 532                         break;
 533                 case ISP_CFG_N:
 534                         len += snprintf(buf + len, PAGE_SIZE-len,
 535                             "N_Port to N_Port\n");
 536                         break;
 537                 case ISP_CFG_F:
 538                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
 539                         break;
 540                 default:
 541                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 542                         break;
 543                 }
 544         }
 545         return len;
 546 }
 547
 548 static ssize_t
 549 qla2x00_zio_show(struct class_device *cdev, char *buf)
 550 {
 551         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 552         int len = 0;
 553
 554         switch (ha->zio_mode) {
 555         case QLA_ZIO_MODE_6:
 556                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
 557                 break;
 558         case QLA_ZIO_DISABLED:
 559                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 560                 break;
 561         }
 562         return len;
 563 }
 564
 565 static ssize_t
 566 qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count)
 567 {
 568         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 569         int val = 0;
 570         uint16_t zio_mode;
 571
 572         if (!IS_ZIO_SUPPORTED(ha))
 573                 return -ENOTSUPP;
 574
 575         if (sscanf(buf, "%d", &val) != 1)
 576                 return -EINVAL;
 577
 578         if (val)
 579                 zio_mode = QLA_ZIO_MODE_6;
 580         else
 581                 zio_mode = QLA_ZIO_DISABLED;
 582
 583         /* Update per-hba values and queue a reset. */
 584         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
 585                 ha->zio_mode = zio_mode;
 586                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 587         }
 588         return strlen(buf);
 589 }
 590
 591 static ssize_t
 592 qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
 593 {
 594         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 595
 596         return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
 597 }
 598
 599 static ssize_t
 600 qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
 601     size_t count)
 602 {
 603         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 604         int val = 0;
 605         uint16_t zio_timer;
 606
 607         if (sscanf(buf, "%d", &val) != 1)
 608                 return -EINVAL;
 609         if (val > 25500 || val < 100)
 610                 return -ERANGE;
 611
 612         zio_timer = (uint16_t)(val / 100);
 613         ha->zio_timer = zio_timer;
 614
 615         return strlen(buf);
 616 }
 617
 618 static ssize_t
 619 qla2x00_beacon_show(struct class_device *cdev, char *buf)
 620 {
 621         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 622         int len = 0;
 623
 624         if (ha->beacon_blink_led)
 625                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
 626         else
 627                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 628         return len;
 629 }
 630
 631 static ssize_t
 632 qla2x00_beacon_store(struct class_device *cdev, const char *buf,
 633     size_t count)
 634 {
 635         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 636         int val = 0;
 637         int rval;
 638
 639         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 640                 return -EPERM;
 641
 642         if (test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) {
 643                 qla_printk(KERN_WARNING, ha,
 644                     "Abort ISP active -- ignoring beacon request.\n");
 645                 return -EBUSY;
 646         }
 647
 648         if (sscanf(buf, "%d", &val) != 1)
 649                 return -EINVAL;
 650
 651         if (val)
 652                 rval = ha->isp_ops.beacon_on(ha);
 653         else
 654                 rval = ha->isp_ops.beacon_off(ha);
 655
 656         if (rval != QLA_SUCCESS)
 657                 count = 0;
 658
 659         return count;
 660 }
 661
 662 static ssize_t
 663 qla2x00_optrom_bios_version_show(struct class_device *cdev, char *buf)
 664 {
 665         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 666
 667         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
 668             ha->bios_revision[0]);
 669 }
 670
 671 static ssize_t
 672 qla2x00_optrom_efi_version_show(struct class_device *cdev, char *buf)
 673 {
 674         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 675
 676         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
 677             ha->efi_revision[0]);
 678 }
 679
 680 static ssize_t
 681 qla2x00_optrom_fcode_version_show(struct class_device *cdev, char *buf)
 682 {
 683         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 684
 685         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
 686             ha->fcode_revision[0]);
 687 }
 688
 689 static ssize_t
 690 qla2x00_optrom_fw_version_show(struct class_device *cdev, char *buf)
 691 {
 692         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 693
 694         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
 695             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
 696             ha->fw_revision[3]);
 697 }
 698
 699 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
 700         NULL);
 701 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
 702 static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
 703 static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
 704 static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
 705 static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
 706 static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
 707 static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
 708 static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
 709 static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
 710     qla2x00_zio_store);
 711 static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
 712     qla2x00_zio_timer_store);
 713 static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
 714     qla2x00_beacon_store);
 715 static CLASS_DEVICE_ATTR(optrom_bios_version, S_IRUGO,
 716     qla2x00_optrom_bios_version_show, NULL);
 717 static CLASS_DEVICE_ATTR(optrom_efi_version, S_IRUGO,
 718     qla2x00_optrom_efi_version_show, NULL);
 719 static CLASS_DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
 720     qla2x00_optrom_fcode_version_show, NULL);
 721 static CLASS_DEVICE_ATTR(optrom_fw_version, S_IRUGO,
 722     qla2x00_optrom_fw_version_show, NULL);
 723
 724 struct class_device_attribute *qla2x00_host_attrs[] = {
 725         &class_device_attr_driver_version,
 726         &class_device_attr_fw_version,
 727         &class_device_attr_serial_num,
 728         &class_device_attr_isp_name,
 729         &class_device_attr_isp_id,
 730         &class_device_attr_model_name,
 731         &class_device_attr_model_desc,
 732         &class_device_attr_pci_info,
 733         &class_device_attr_state,
 734         &class_device_attr_zio,
 735         &class_device_attr_zio_timer,
 736         &class_device_attr_beacon,
 737         &class_device_attr_optrom_bios_version,
 738         &class_device_attr_optrom_efi_version,
 739         &class_device_attr_optrom_fcode_version,
 740         &class_device_attr_optrom_fw_version,
 741         NULL,
 742 };
 743
 744 /* Host attributes. */
 745
 746 static void
 747 qla2x00_get_host_port_id(struct Scsi_Host *shost)
 748 {
 749         scsi_qla_host_t *ha = to_qla_host(shost);
 750
 751         fc_host_port_id(shost) = ha->d_id.b.domain << 16 |
 752             ha->d_id.b.area << 8 | ha->d_id.b.al_pa;
 753 }
 754
 755 static void
 756 qla2x00_get_host_speed(struct Scsi_Host *shost)
 757 {
 758         scsi_qla_host_t *ha = to_qla_host(shost);
 759         uint32_t speed = 0;
 760
 761         switch (ha->link_data_rate) {
 762         case PORT_SPEED_1GB:
 763                 speed = 1;
 764                 break;
 765         case PORT_SPEED_2GB:
 766                 speed = 2;
 767                 break;
 768         case PORT_SPEED_4GB:
 769                 speed = 4;
 770                 break;
 771         }
 772         fc_host_speed(shost) = speed;
 773 }
 774
 775 static void
 776 qla2x00_get_host_port_type(struct Scsi_Host *shost)
 777 {
 778         scsi_qla_host_t *ha = to_qla_host(shost);
 779         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
 780
 781         switch (ha->current_topology) {
 782         case ISP_CFG_NL:
 783                 port_type = FC_PORTTYPE_LPORT;
 784                 break;
 785         case ISP_CFG_FL:
 786                 port_type = FC_PORTTYPE_NLPORT;
 787                 break;
 788         case ISP_CFG_N:
 789                 port_type = FC_PORTTYPE_PTP;
 790                 break;
 791         case ISP_CFG_F:
 792                 port_type = FC_PORTTYPE_NPORT;
 793                 break;
 794         }
 795         fc_host_port_type(shost) = port_type;
 796 }
 797
 798 static void
 799 qla2x00_get_starget_node_name(struct scsi_target *starget)
 800 {
 801         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 802         scsi_qla_host_t *ha = to_qla_host(host);
 803         fc_port_t *fcport;
 804         u64 node_name = 0;
 805
 806         list_for_each_entry(fcport, &ha->fcports, list) {
 807                 if (starget->id == fcport->os_target_id) {
 808                         node_name = wwn_to_u64(fcport->node_name);
 809                         break;
 810                 }
 811         }
 812
 813         fc_starget_node_name(starget) = node_name;
 814 }
 815
 816 static void
 817 qla2x00_get_starget_port_name(struct scsi_target *starget)
 818 {
 819         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 820         scsi_qla_host_t *ha = to_qla_host(host);
 821         fc_port_t *fcport;
 822         u64 port_name = 0;
 823
 824         list_for_each_entry(fcport, &ha->fcports, list) {
 825                 if (starget->id == fcport->os_target_id) {
 826                         port_name = wwn_to_u64(fcport->port_name);
 827                         break;
 828                 }
 829         }
 830
 831         fc_starget_port_name(starget) = port_name;
 832 }
 833
 834 static void
 835 qla2x00_get_starget_port_id(struct scsi_target *starget)
 836 {
 837         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 838         scsi_qla_host_t *ha = to_qla_host(host);
 839         fc_port_t *fcport;
 840         uint32_t port_id = ~0U;
 841
 842         list_for_each_entry(fcport, &ha->fcports, list) {
 843                 if (starget->id == fcport->os_target_id) {
 844                         port_id = fcport->d_id.b.domain << 16 |
 845                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
 846                         break;
 847                 }
 848         }
 849
 850         fc_starget_port_id(starget) = port_id;
 851 }
 852
 853 static void
 854 qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
 855 {
 856         struct Scsi_Host *host = rport_to_shost(rport);
 857         scsi_qla_host_t *ha = to_qla_host(host);
 858
 859         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 860 }
 861
 862 static void
 863 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 864 {
 865         struct Scsi_Host *host = rport_to_shost(rport);
 866         scsi_qla_host_t *ha = to_qla_host(host);
 867
 868         if (timeout)
 869                 ha->port_down_retry_count = timeout;
 870         else
 871                 ha->port_down_retry_count = 1;
 872
 873         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 874 }
 875
 876 static int
 877 qla2x00_issue_lip(struct Scsi_Host *shost)
 878 {
 879         scsi_qla_host_t *ha = to_qla_host(shost);
 880
 881         set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
 882         return 0;
 883 }
 884
 885 static struct fc_host_statistics *
 886 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
 887 {
 888         scsi_qla_host_t *ha = to_qla_host(shost);
 889         int rval;
 890         uint16_t mb_stat[1];
 891         link_stat_t stat_buf;
 892         struct fc_host_statistics *pfc_host_stat;
 893
 894         rval = QLA_FUNCTION_FAILED;
 895         pfc_host_stat = &ha->fc_host_stat;
 896         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
 897
 898         if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 899                 rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
 900                     sizeof(stat_buf) / 4, mb_stat);
 901         } else if (atomic_read(&ha->loop_state) == LOOP_READY &&
 902                     !test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) &&
 903                     !test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) &&
 904                     !ha->dpc_active) {
 905                 /* Must be in a 'READY' state for statistics retrieval. */
 906                 rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
 907                     mb_stat);
 908         }
 909
 910         if (rval != QLA_SUCCESS)
 911                 goto done;
 912
 913         pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
 914         pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
 915         pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
 916         pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
 917         pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
 918         pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
 919 done:
 920         return pfc_host_stat;
 921 }
 922
 923 static void
 924 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
 925 {
 926         scsi_qla_host_t *ha = to_qla_host(shost);
 927
 928         qla2x00_get_sym_node_name(ha, fc_host_symbolic_name(shost));
 929 }
 930
 931 static void
 932 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
 933 {
 934         scsi_qla_host_t *ha = to_qla_host(shost);
 935
 936         set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
 937 }
 938
 939 static void
 940 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
 941 {
 942         scsi_qla_host_t *ha = to_qla_host(shost);
 943         u64 node_name;
 944
 945         if (ha->device_flags & SWITCH_FOUND)
 946                 node_name = wwn_to_u64(ha->fabric_node_name);
 947         else
 948                 node_name = wwn_to_u64(ha->node_name);
 949
 950         fc_host_fabric_name(shost) = node_name;
 951 }
 952
 953 static void
 954 qla2x00_get_host_port_state(struct Scsi_Host *shost)
 955 {
 956         scsi_qla_host_t *ha = to_qla_host(shost);
 957
 958         if (!ha->flags.online)
 959                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
 960         else if (atomic_read(&ha->loop_state) == LOOP_TIMEOUT)
 961                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
 962         else
 963                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
 964 }
 965
 966 struct fc_function_template qla2xxx_transport_functions = {
 967
 968         .show_host_node_name = 1,
 969         .show_host_port_name = 1,
 970         .show_host_supported_classes = 1,
 971
 972         .get_host_port_id = qla2x00_get_host_port_id,
 973         .show_host_port_id = 1,
 974         .get_host_speed = qla2x00_get_host_speed,
 975         .show_host_speed = 1,
 976         .get_host_port_type = qla2x00_get_host_port_type,
 977         .show_host_port_type = 1,
 978         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
 979         .show_host_symbolic_name = 1,
 980         .set_host_system_hostname = qla2x00_set_host_system_hostname,
 981         .show_host_system_hostname = 1,
 982         .get_host_fabric_name = qla2x00_get_host_fabric_name,
 983         .show_host_fabric_name = 1,
 984         .get_host_port_state = qla2x00_get_host_port_state,
 985         .show_host_port_state = 1,
 986
 987         .dd_fcrport_size = sizeof(struct fc_port *),
 988         .show_rport_supported_classes = 1,
 989
 990         .get_starget_node_name = qla2x00_get_starget_node_name,
 991         .show_starget_node_name = 1,
 992         .get_starget_port_name = qla2x00_get_starget_port_name,
 993         .show_starget_port_name = 1,
 994         .get_starget_port_id  = qla2x00_get_starget_port_id,
 995         .show_starget_port_id = 1,
 996
 997         .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
 998         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
 999         .show_rport_dev_loss_tmo = 1,
1000
1001         .issue_fc_host_lip = qla2x00_issue_lip,
1002         .get_fc_host_stats = qla2x00_get_fc_host_stats,
1003 };
1004
1005 void
1006 qla2x00_init_host_attr(scsi_qla_host_t *ha)
1007 {
1008         fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
1009         fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
1010         fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
1011 }