git.oblomov.eu Git - linux-2.6/blob - 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         /* Read NVRAM. */
 298         spin_lock_irqsave(&ha->hardware_lock, flags);
 299         ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->vpd_base, ha->vpd_size);
 300         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 301
 302         return ha->vpd_size;
 303 }
 304
 305 static ssize_t
 306 qla2x00_sysfs_write_vpd(struct kobject *kobj, char *buf, loff_t off,
 307     size_t count)
 308 {
 309         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 310             struct device, kobj)));
 311         unsigned long flags;
 312
 313         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size)
 314                 return 0;
 315
 316         /* Write NVRAM. */
 317         spin_lock_irqsave(&ha->hardware_lock, flags);
 318         ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->vpd_base, count);
 319         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 320
 321         return count;
 322 }
 323
 324 static struct bin_attribute sysfs_vpd_attr = {
 325         .attr = {
 326                 .name = "vpd",
 327                 .mode = S_IRUSR | S_IWUSR,
 328                 .owner = THIS_MODULE,
 329         },
 330         .size = 0,
 331         .read = qla2x00_sysfs_read_vpd,
 332         .write = qla2x00_sysfs_write_vpd,
 333 };
 334
 335 static ssize_t
 336 qla2x00_sysfs_read_sfp(struct kobject *kobj, char *buf, loff_t off,
 337     size_t count)
 338 {
 339         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 340             struct device, kobj)));
 341         uint16_t iter, addr, offset;
 342         int rval;
 343
 344         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
 345                 return 0;
 346
 347         addr = 0xa0;
 348         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
 349             iter++, offset += SFP_BLOCK_SIZE) {
 350                 if (iter == 4) {
 351                         /* Skip to next device address. */
 352                         addr = 0xa2;
 353                         offset = 0;
 354                 }
 355
 356                 rval = qla2x00_read_sfp(ha, ha->sfp_data_dma, addr, offset,
 357                     SFP_BLOCK_SIZE);
 358                 if (rval != QLA_SUCCESS) {
 359                         qla_printk(KERN_WARNING, ha,
 360                             "Unable to read SFP data (%x/%x/%x).\n", rval,
 361                             addr, offset);
 362                         count = 0;
 363                         break;
 364                 }
 365                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 366                 buf += SFP_BLOCK_SIZE;
 367         }
 368
 369         return count;
 370 }
 371
 372 static struct bin_attribute sysfs_sfp_attr = {
 373         .attr = {
 374                 .name = "sfp",
 375                 .mode = S_IRUSR | S_IWUSR,
 376                 .owner = THIS_MODULE,
 377         },
 378         .size = SFP_DEV_SIZE * 2,
 379         .read = qla2x00_sysfs_read_sfp,
 380 };
 381
 382 void
 383 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
 384 {
 385         struct Scsi_Host *host = ha->host;
 386
 387         sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
 388         sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
 389         sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_attr);
 390         sysfs_create_bin_file(&host->shost_gendev.kobj,
 391             &sysfs_optrom_ctl_attr);
 392         if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 393                 sysfs_create_bin_file(&host->shost_gendev.kobj,
 394                     &sysfs_vpd_attr);
 395                 sysfs_create_bin_file(&host->shost_gendev.kobj,
 396                     &sysfs_sfp_attr);
 397         }
 398 }
 399
 400 void
 401 qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
 402 {
 403         struct Scsi_Host *host = ha->host;
 404
 405         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
 406         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
 407         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_attr);
 408         sysfs_remove_bin_file(&host->shost_gendev.kobj,
 409             &sysfs_optrom_ctl_attr);
 410         if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 411                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
 412                     &sysfs_vpd_attr);
 413                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
 414                     &sysfs_sfp_attr);
 415         }
 416
 417         if (ha->beacon_blink_led == 1)
 418                 ha->isp_ops.beacon_off(ha);
 419 }
 420
 421 /* Scsi_Host attributes. */
 422
 423 static ssize_t
 424 qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
 425 {
 426         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 427 }
 428
 429 static ssize_t
 430 qla2x00_fw_version_show(struct class_device *cdev, char *buf)
 431 {
 432         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 433         char fw_str[30];
 434
 435         return snprintf(buf, PAGE_SIZE, "%s\n",
 436             ha->isp_ops.fw_version_str(ha, fw_str));
 437 }
 438
 439 static ssize_t
 440 qla2x00_serial_num_show(struct class_device *cdev, char *buf)
 441 {
 442         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 443         uint32_t sn;
 444
 445         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 446         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 447             sn % 100000);
 448 }
 449
 450 static ssize_t
 451 qla2x00_isp_name_show(struct class_device *cdev, char *buf)
 452 {
 453         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 454         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
 455 }
 456
 457 static ssize_t
 458 qla2x00_isp_id_show(struct class_device *cdev, char *buf)
 459 {
 460         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 461         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 462             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 463             ha->product_id[3]);
 464 }
 465
 466 static ssize_t
 467 qla2x00_model_name_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, "%s\n", ha->model_number);
 471 }
 472
 473 static ssize_t
 474 qla2x00_model_desc_show(struct class_device *cdev, char *buf)
 475 {
 476         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 477         return snprintf(buf, PAGE_SIZE, "%s\n",
 478             ha->model_desc ? ha->model_desc: "");
 479 }
 480
 481 static ssize_t
 482 qla2x00_pci_info_show(struct class_device *cdev, char *buf)
 483 {
 484         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 485         char pci_info[30];
 486
 487         return snprintf(buf, PAGE_SIZE, "%s\n",
 488             ha->isp_ops.pci_info_str(ha, pci_info));
 489 }
 490
 491 static ssize_t
 492 qla2x00_state_show(struct class_device *cdev, char *buf)
 493 {
 494         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 495         int len = 0;
 496
 497         if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
 498             atomic_read(&ha->loop_state) == LOOP_DEAD)
 499                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 500         else if (atomic_read(&ha->loop_state) != LOOP_READY ||
 501             test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
 502             test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
 503                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 504         else {
 505                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
 506
 507                 switch (ha->current_topology) {
 508                 case ISP_CFG_NL:
 509                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 510                         break;
 511                 case ISP_CFG_FL:
 512                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
 513                         break;
 514                 case ISP_CFG_N:
 515                         len += snprintf(buf + len, PAGE_SIZE-len,
 516                             "N_Port to N_Port\n");
 517                         break;
 518                 case ISP_CFG_F:
 519                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
 520                         break;
 521                 default:
 522                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 523                         break;
 524                 }
 525         }
 526         return len;
 527 }
 528
 529 static ssize_t
 530 qla2x00_zio_show(struct class_device *cdev, char *buf)
 531 {
 532         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 533         int len = 0;
 534
 535         switch (ha->zio_mode) {
 536         case QLA_ZIO_MODE_6:
 537                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
 538                 break;
 539         case QLA_ZIO_DISABLED:
 540                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 541                 break;
 542         }
 543         return len;
 544 }
 545
 546 static ssize_t
 547 qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count)
 548 {
 549         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 550         int val = 0;
 551         uint16_t zio_mode;
 552
 553         if (!IS_ZIO_SUPPORTED(ha))
 554                 return -ENOTSUPP;
 555
 556         if (sscanf(buf, "%d", &val) != 1)
 557                 return -EINVAL;
 558
 559         if (val)
 560                 zio_mode = QLA_ZIO_MODE_6;
 561         else
 562                 zio_mode = QLA_ZIO_DISABLED;
 563
 564         /* Update per-hba values and queue a reset. */
 565         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
 566                 ha->zio_mode = zio_mode;
 567                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 568         }
 569         return strlen(buf);
 570 }
 571
 572 static ssize_t
 573 qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
 574 {
 575         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 576
 577         return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
 578 }
 579
 580 static ssize_t
 581 qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
 582     size_t count)
 583 {
 584         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 585         int val = 0;
 586         uint16_t zio_timer;
 587
 588         if (sscanf(buf, "%d", &val) != 1)
 589                 return -EINVAL;
 590         if (val > 25500 || val < 100)
 591                 return -ERANGE;
 592
 593         zio_timer = (uint16_t)(val / 100);
 594         ha->zio_timer = zio_timer;
 595
 596         return strlen(buf);
 597 }
 598
 599 static ssize_t
 600 qla2x00_beacon_show(struct class_device *cdev, char *buf)
 601 {
 602         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 603         int len = 0;
 604
 605         if (ha->beacon_blink_led)
 606                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
 607         else
 608                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 609         return len;
 610 }
 611
 612 static ssize_t
 613 qla2x00_beacon_store(struct class_device *cdev, const char *buf,
 614     size_t count)
 615 {
 616         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 617         int val = 0;
 618         int rval;
 619
 620         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 621                 return -EPERM;
 622
 623         if (test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) {
 624                 qla_printk(KERN_WARNING, ha,
 625                     "Abort ISP active -- ignoring beacon request.\n");
 626                 return -EBUSY;
 627         }
 628
 629         if (sscanf(buf, "%d", &val) != 1)
 630                 return -EINVAL;
 631
 632         if (val)
 633                 rval = ha->isp_ops.beacon_on(ha);
 634         else
 635                 rval = ha->isp_ops.beacon_off(ha);
 636
 637         if (rval != QLA_SUCCESS)
 638                 count = 0;
 639
 640         return count;
 641 }
 642
 643 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
 644         NULL);
 645 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
 646 static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
 647 static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
 648 static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
 649 static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
 650 static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
 651 static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
 652 static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
 653 static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
 654     qla2x00_zio_store);
 655 static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
 656     qla2x00_zio_timer_store);
 657 static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
 658     qla2x00_beacon_store);
 659
 660 struct class_device_attribute *qla2x00_host_attrs[] = {
 661         &class_device_attr_driver_version,
 662         &class_device_attr_fw_version,
 663         &class_device_attr_serial_num,
 664         &class_device_attr_isp_name,
 665         &class_device_attr_isp_id,
 666         &class_device_attr_model_name,
 667         &class_device_attr_model_desc,
 668         &class_device_attr_pci_info,
 669         &class_device_attr_state,
 670         &class_device_attr_zio,
 671         &class_device_attr_zio_timer,
 672         &class_device_attr_beacon,
 673         NULL,
 674 };
 675
 676 /* Host attributes. */
 677
 678 static void
 679 qla2x00_get_host_port_id(struct Scsi_Host *shost)
 680 {
 681         scsi_qla_host_t *ha = to_qla_host(shost);
 682
 683         fc_host_port_id(shost) = ha->d_id.b.domain << 16 |
 684             ha->d_id.b.area << 8 | ha->d_id.b.al_pa;
 685 }
 686
 687 static void
 688 qla2x00_get_host_speed(struct Scsi_Host *shost)
 689 {
 690         scsi_qla_host_t *ha = to_qla_host(shost);
 691         uint32_t speed = 0;
 692
 693         switch (ha->link_data_rate) {
 694         case LDR_1GB:
 695                 speed = 1;
 696                 break;
 697         case LDR_2GB:
 698                 speed = 2;
 699                 break;
 700         case LDR_4GB:
 701                 speed = 4;
 702                 break;
 703         }
 704         fc_host_speed(shost) = speed;
 705 }
 706
 707 static void
 708 qla2x00_get_host_port_type(struct Scsi_Host *shost)
 709 {
 710         scsi_qla_host_t *ha = to_qla_host(shost);
 711         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
 712
 713         switch (ha->current_topology) {
 714         case ISP_CFG_NL:
 715                 port_type = FC_PORTTYPE_LPORT;
 716                 break;
 717         case ISP_CFG_FL:
 718                 port_type = FC_PORTTYPE_NLPORT;
 719                 break;
 720         case ISP_CFG_N:
 721                 port_type = FC_PORTTYPE_PTP;
 722                 break;
 723         case ISP_CFG_F:
 724                 port_type = FC_PORTTYPE_NPORT;
 725                 break;
 726         }
 727         fc_host_port_type(shost) = port_type;
 728 }
 729
 730 static void
 731 qla2x00_get_starget_node_name(struct scsi_target *starget)
 732 {
 733         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 734         scsi_qla_host_t *ha = to_qla_host(host);
 735         fc_port_t *fcport;
 736         u64 node_name = 0;
 737
 738         list_for_each_entry(fcport, &ha->fcports, list) {
 739                 if (starget->id == fcport->os_target_id) {
 740                         node_name = wwn_to_u64(fcport->node_name);
 741                         break;
 742                 }
 743         }
 744
 745         fc_starget_node_name(starget) = node_name;
 746 }
 747
 748 static void
 749 qla2x00_get_starget_port_name(struct scsi_target *starget)
 750 {
 751         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 752         scsi_qla_host_t *ha = to_qla_host(host);
 753         fc_port_t *fcport;
 754         u64 port_name = 0;
 755
 756         list_for_each_entry(fcport, &ha->fcports, list) {
 757                 if (starget->id == fcport->os_target_id) {
 758                         port_name = wwn_to_u64(fcport->port_name);
 759                         break;
 760                 }
 761         }
 762
 763         fc_starget_port_name(starget) = port_name;
 764 }
 765
 766 static void
 767 qla2x00_get_starget_port_id(struct scsi_target *starget)
 768 {
 769         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 770         scsi_qla_host_t *ha = to_qla_host(host);
 771         fc_port_t *fcport;
 772         uint32_t port_id = ~0U;
 773
 774         list_for_each_entry(fcport, &ha->fcports, list) {
 775                 if (starget->id == fcport->os_target_id) {
 776                         port_id = fcport->d_id.b.domain << 16 |
 777                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
 778                         break;
 779                 }
 780         }
 781
 782         fc_starget_port_id(starget) = port_id;
 783 }
 784
 785 static void
 786 qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
 787 {
 788         struct Scsi_Host *host = rport_to_shost(rport);
 789         scsi_qla_host_t *ha = to_qla_host(host);
 790
 791         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 792 }
 793
 794 static void
 795 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 796 {
 797         struct Scsi_Host *host = rport_to_shost(rport);
 798         scsi_qla_host_t *ha = to_qla_host(host);
 799
 800         if (timeout)
 801                 ha->port_down_retry_count = timeout;
 802         else
 803                 ha->port_down_retry_count = 1;
 804
 805         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 806 }
 807
 808 static int
 809 qla2x00_issue_lip(struct Scsi_Host *shost)
 810 {
 811         scsi_qla_host_t *ha = to_qla_host(shost);
 812
 813         set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
 814         return 0;
 815 }
 816
 817 static struct fc_host_statistics *
 818 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
 819 {
 820         scsi_qla_host_t *ha = to_qla_host(shost);
 821         int rval;
 822         uint16_t mb_stat[1];
 823         link_stat_t stat_buf;
 824         struct fc_host_statistics *pfc_host_stat;
 825
 826         pfc_host_stat = &ha->fc_host_stat;
 827         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
 828
 829         if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 830                 rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
 831                     sizeof(stat_buf) / 4, mb_stat);
 832         } else {
 833                 rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
 834                     mb_stat);
 835         }
 836         if (rval != 0) {
 837                 qla_printk(KERN_WARNING, ha,
 838                     "Unable to retrieve host statistics (%d).\n", mb_stat[0]);
 839                 return pfc_host_stat;
 840         }
 841
 842         pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
 843         pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
 844         pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
 845         pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
 846         pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
 847         pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
 848
 849         return pfc_host_stat;
 850 }
 851
 852 struct fc_function_template qla2xxx_transport_functions = {
 853
 854         .show_host_node_name = 1,
 855         .show_host_port_name = 1,
 856         .show_host_supported_classes = 1,
 857
 858         .get_host_port_id = qla2x00_get_host_port_id,
 859         .show_host_port_id = 1,
 860         .get_host_speed = qla2x00_get_host_speed,
 861         .show_host_speed = 1,
 862         .get_host_port_type = qla2x00_get_host_port_type,
 863         .show_host_port_type = 1,
 864
 865         .dd_fcrport_size = sizeof(struct fc_port *),
 866         .show_rport_supported_classes = 1,
 867
 868         .get_starget_node_name = qla2x00_get_starget_node_name,
 869         .show_starget_node_name = 1,
 870         .get_starget_port_name = qla2x00_get_starget_port_name,
 871         .show_starget_port_name = 1,
 872         .get_starget_port_id  = qla2x00_get_starget_port_id,
 873         .show_starget_port_id = 1,
 874
 875         .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
 876         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
 877         .show_rport_dev_loss_tmo = 1,
 878
 879         .issue_fc_host_lip = qla2x00_issue_lip,
 880         .get_fc_host_stats = qla2x00_get_fc_host_stats,
 881 };
 882
 883 void
 884 qla2x00_init_host_attr(scsi_qla_host_t *ha)
 885 {
 886         fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
 887         fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
 888         fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
 889 }