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
  20         if (ha->fw_dump_reading == 0)
  21                 return 0;
  22         if (off > ha->fw_dump_buffer_len)
  23                 return 0;
  24         if (off + count > ha->fw_dump_buffer_len)
  25                 count = ha->fw_dump_buffer_len - off;
  26
  27         memcpy(buf, &ha->fw_dump_buffer[off], count);
  28
  29         return (count);
  30 }
  31
  32 static ssize_t
  33 qla2x00_sysfs_write_fw_dump(struct kobject *kobj, char *buf, loff_t off,
  34     size_t count)
  35 {
  36         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
  37             struct device, kobj)));
  38         int reading;
  39         uint32_t dump_size;
  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 == 1) {
  48                         qla_printk(KERN_INFO, ha,
  49                             "Firmware dump cleared on (%ld).\n",
  50                             ha->host_no);
  51
  52                         vfree(ha->fw_dump_buffer);
  53                         if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha))
  54                                 free_pages((unsigned long)ha->fw_dump,
  55                                     ha->fw_dump_order);
  56
  57                         ha->fw_dump_reading = 0;
  58                         ha->fw_dump_buffer = NULL;
  59                         ha->fw_dump = NULL;
  60                         ha->fw_dumped = 0;
  61                 }
  62                 break;
  63         case 1:
  64                 if ((ha->fw_dump || ha->fw_dumped) && !ha->fw_dump_reading) {
  65                         ha->fw_dump_reading = 1;
  66
  67                         if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
  68                                 dump_size = FW_DUMP_SIZE_24XX;
  69                         else {
  70                                 dump_size = FW_DUMP_SIZE_1M;
  71                                 if (ha->fw_memory_size < 0x20000)
  72                                         dump_size = FW_DUMP_SIZE_128K;
  73                                 else if (ha->fw_memory_size < 0x80000)
  74                                         dump_size = FW_DUMP_SIZE_512K;
  75                         }
  76                         ha->fw_dump_buffer = (char *)vmalloc(dump_size);
  77                         if (ha->fw_dump_buffer == NULL) {
  78                                 qla_printk(KERN_WARNING, ha,
  79                                     "Unable to allocate memory for firmware "
  80                                     "dump buffer (%d).\n", dump_size);
  81
  82                                 ha->fw_dump_reading = 0;
  83                                 return (count);
  84                         }
  85                         qla_printk(KERN_INFO, ha,
  86                             "Firmware dump ready for read on (%ld).\n",
  87                             ha->host_no);
  88                         memset(ha->fw_dump_buffer, 0, dump_size);
  89                         ha->isp_ops.ascii_fw_dump(ha);
  90                         ha->fw_dump_buffer_len = strlen(ha->fw_dump_buffer);
  91                 }
  92                 break;
  93         }
  94         return (count);
  95 }
  96
  97 static struct bin_attribute sysfs_fw_dump_attr = {
  98         .attr = {
  99                 .name = "fw_dump",
 100                 .mode = S_IRUSR | S_IWUSR,
 101                 .owner = THIS_MODULE,
 102         },
 103         .size = 0,
 104         .read = qla2x00_sysfs_read_fw_dump,
 105         .write = qla2x00_sysfs_write_fw_dump,
 106 };
 107
 108 static ssize_t
 109 qla2x00_sysfs_read_nvram(struct kobject *kobj, char *buf, loff_t off,
 110     size_t count)
 111 {
 112         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 113             struct device, kobj)));
 114         unsigned long   flags;
 115
 116         if (!capable(CAP_SYS_ADMIN) || off != 0)
 117                 return 0;
 118
 119         /* Read NVRAM. */
 120         spin_lock_irqsave(&ha->hardware_lock, flags);
 121         ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->nvram_base,
 122             ha->nvram_size);
 123         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 124
 125         return ha->nvram_size;
 126 }
 127
 128 static ssize_t
 129 qla2x00_sysfs_write_nvram(struct kobject *kobj, char *buf, loff_t off,
 130     size_t count)
 131 {
 132         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 133             struct device, kobj)));
 134         unsigned long   flags;
 135         uint16_t        cnt;
 136
 137         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size)
 138                 return 0;
 139
 140         /* Checksum NVRAM. */
 141         if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
 142                 uint32_t *iter;
 143                 uint32_t chksum;
 144
 145                 iter = (uint32_t *)buf;
 146                 chksum = 0;
 147                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
 148                         chksum += le32_to_cpu(*iter++);
 149                 chksum = ~chksum + 1;
 150                 *iter = cpu_to_le32(chksum);
 151         } else {
 152                 uint8_t *iter;
 153                 uint8_t chksum;
 154
 155                 iter = (uint8_t *)buf;
 156                 chksum = 0;
 157                 for (cnt = 0; cnt < count - 1; cnt++)
 158                         chksum += *iter++;
 159                 chksum = ~chksum + 1;
 160                 *iter = chksum;
 161         }
 162
 163         /* Write NVRAM. */
 164         spin_lock_irqsave(&ha->hardware_lock, flags);
 165         ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count);
 166         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 167
 168         return (count);
 169 }
 170
 171 static struct bin_attribute sysfs_nvram_attr = {
 172         .attr = {
 173                 .name = "nvram",
 174                 .mode = S_IRUSR | S_IWUSR,
 175                 .owner = THIS_MODULE,
 176         },
 177         .size = 512,
 178         .read = qla2x00_sysfs_read_nvram,
 179         .write = qla2x00_sysfs_write_nvram,
 180 };
 181
 182 static ssize_t
 183 qla2x00_sysfs_read_optrom(struct kobject *kobj, char *buf, loff_t off,
 184     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_SREADING)
 190                 return 0;
 191         if (off > ha->optrom_size)
 192                 return 0;
 193         if (off + count > ha->optrom_size)
 194                 count = ha->optrom_size - off;
 195
 196         memcpy(buf, &ha->optrom_buffer[off], count);
 197
 198         return count;
 199 }
 200
 201 static ssize_t
 202 qla2x00_sysfs_write_optrom(struct kobject *kobj, char *buf, loff_t off,
 203     size_t count)
 204 {
 205         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 206             struct device, kobj)));
 207
 208         if (ha->optrom_state != QLA_SWRITING)
 209                 return -EINVAL;
 210         if (off > ha->optrom_size)
 211                 return -ERANGE;
 212         if (off + count > ha->optrom_size)
 213                 count = ha->optrom_size - off;
 214
 215         memcpy(&ha->optrom_buffer[off], buf, count);
 216
 217         return count;
 218 }
 219
 220 static struct bin_attribute sysfs_optrom_attr = {
 221         .attr = {
 222                 .name = "optrom",
 223                 .mode = S_IRUSR | S_IWUSR,
 224                 .owner = THIS_MODULE,
 225         },
 226         .size = OPTROM_SIZE_24XX,
 227         .read = qla2x00_sysfs_read_optrom,
 228         .write = qla2x00_sysfs_write_optrom,
 229 };
 230
 231 static ssize_t
 232 qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj, char *buf, loff_t off,
 233     size_t count)
 234 {
 235         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 236             struct device, kobj)));
 237         int val;
 238
 239         if (off)
 240                 return 0;
 241
 242         if (sscanf(buf, "%d", &val) != 1)
 243                 return -EINVAL;
 244
 245         switch (val) {
 246         case 0:
 247                 if (ha->optrom_state != QLA_SREADING &&
 248                     ha->optrom_state != QLA_SWRITING)
 249                         break;
 250
 251                 ha->optrom_state = QLA_SWAITING;
 252                 vfree(ha->optrom_buffer);
 253                 ha->optrom_buffer = NULL;
 254                 break;
 255         case 1:
 256                 if (ha->optrom_state != QLA_SWAITING)
 257                         break;
 258
 259                 ha->optrom_state = QLA_SREADING;
 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 retrieval "
 264                             "(%x).\n", ha->optrom_size);
 265
 266                         ha->optrom_state = QLA_SWAITING;
 267                         return count;
 268                 }
 269
 270                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 271                 ha->isp_ops.read_optrom(ha, ha->optrom_buffer, 0,
 272                     ha->optrom_size);
 273                 break;
 274         case 2:
 275                 if (ha->optrom_state != QLA_SWAITING)
 276                         break;
 277
 278                 ha->optrom_state = QLA_SWRITING;
 279                 ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
 280                 if (ha->optrom_buffer == NULL) {
 281                         qla_printk(KERN_WARNING, ha,
 282                             "Unable to allocate memory for optrom update "
 283                             "(%x).\n", ha->optrom_size);
 284
 285                         ha->optrom_state = QLA_SWAITING;
 286                         return count;
 287                 }
 288                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 289                 break;
 290         case 3:
 291                 if (ha->optrom_state != QLA_SWRITING)
 292                         break;
 293
 294                 ha->isp_ops.write_optrom(ha, ha->optrom_buffer, 0,
 295                     ha->optrom_size);
 296                 break;
 297         }
 298         return count;
 299 }
 300
 301 static struct bin_attribute sysfs_optrom_ctl_attr = {
 302         .attr = {
 303                 .name = "optrom_ctl",
 304                 .mode = S_IWUSR,
 305                 .owner = THIS_MODULE,
 306         },
 307         .size = 0,
 308         .write = qla2x00_sysfs_write_optrom_ctl,
 309 };
 310
 311 void
 312 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
 313 {
 314         struct Scsi_Host *host = ha->host;
 315
 316         sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
 317         sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
 318         sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_attr);
 319         sysfs_create_bin_file(&host->shost_gendev.kobj,
 320             &sysfs_optrom_ctl_attr);
 321 }
 322
 323 void
 324 qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
 325 {
 326         struct Scsi_Host *host = ha->host;
 327
 328         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
 329         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
 330         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_attr);
 331         sysfs_remove_bin_file(&host->shost_gendev.kobj,
 332             &sysfs_optrom_ctl_attr);
 333
 334         if (ha->beacon_blink_led == 1)
 335                 ha->isp_ops.beacon_off(ha);
 336 }
 337
 338 /* Scsi_Host attributes. */
 339
 340 static ssize_t
 341 qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
 342 {
 343         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 344 }
 345
 346 static ssize_t
 347 qla2x00_fw_version_show(struct class_device *cdev, char *buf)
 348 {
 349         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 350         char fw_str[30];
 351
 352         return snprintf(buf, PAGE_SIZE, "%s\n",
 353             ha->isp_ops.fw_version_str(ha, fw_str));
 354 }
 355
 356 static ssize_t
 357 qla2x00_serial_num_show(struct class_device *cdev, char *buf)
 358 {
 359         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 360         uint32_t sn;
 361
 362         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 363         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 364             sn % 100000);
 365 }
 366
 367 static ssize_t
 368 qla2x00_isp_name_show(struct class_device *cdev, char *buf)
 369 {
 370         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 371         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
 372 }
 373
 374 static ssize_t
 375 qla2x00_isp_id_show(struct class_device *cdev, char *buf)
 376 {
 377         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 378         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 379             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 380             ha->product_id[3]);
 381 }
 382
 383 static ssize_t
 384 qla2x00_model_name_show(struct class_device *cdev, char *buf)
 385 {
 386         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 387         return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
 388 }
 389
 390 static ssize_t
 391 qla2x00_model_desc_show(struct class_device *cdev, char *buf)
 392 {
 393         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 394         return snprintf(buf, PAGE_SIZE, "%s\n",
 395             ha->model_desc ? ha->model_desc: "");
 396 }
 397
 398 static ssize_t
 399 qla2x00_pci_info_show(struct class_device *cdev, char *buf)
 400 {
 401         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 402         char pci_info[30];
 403
 404         return snprintf(buf, PAGE_SIZE, "%s\n",
 405             ha->isp_ops.pci_info_str(ha, pci_info));
 406 }
 407
 408 static ssize_t
 409 qla2x00_state_show(struct class_device *cdev, char *buf)
 410 {
 411         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 412         int len = 0;
 413
 414         if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
 415             atomic_read(&ha->loop_state) == LOOP_DEAD)
 416                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 417         else if (atomic_read(&ha->loop_state) != LOOP_READY ||
 418             test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
 419             test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
 420                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 421         else {
 422                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
 423
 424                 switch (ha->current_topology) {
 425                 case ISP_CFG_NL:
 426                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 427                         break;
 428                 case ISP_CFG_FL:
 429                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
 430                         break;
 431                 case ISP_CFG_N:
 432                         len += snprintf(buf + len, PAGE_SIZE-len,
 433                             "N_Port to N_Port\n");
 434                         break;
 435                 case ISP_CFG_F:
 436                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
 437                         break;
 438                 default:
 439                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 440                         break;
 441                 }
 442         }
 443         return len;
 444 }
 445
 446 static ssize_t
 447 qla2x00_zio_show(struct class_device *cdev, char *buf)
 448 {
 449         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 450         int len = 0;
 451
 452         switch (ha->zio_mode) {
 453         case QLA_ZIO_MODE_5:
 454                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 5\n");
 455                 break;
 456         case QLA_ZIO_MODE_6:
 457                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
 458                 break;
 459         case QLA_ZIO_DISABLED:
 460                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 461                 break;
 462         }
 463         return len;
 464 }
 465
 466 static ssize_t
 467 qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count)
 468 {
 469         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 470         int val = 0;
 471         uint16_t zio_mode;
 472
 473         if (sscanf(buf, "%d", &val) != 1)
 474                 return -EINVAL;
 475
 476         switch (val) {
 477         case 1:
 478                 zio_mode = QLA_ZIO_MODE_5;
 479                 break;
 480         case 2:
 481                 zio_mode = QLA_ZIO_MODE_6;
 482                 break;
 483         default:
 484                 zio_mode = QLA_ZIO_DISABLED;
 485                 break;
 486         }
 487
 488         /* Update per-hba values and queue a reset. */
 489         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
 490                 ha->zio_mode = zio_mode;
 491                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 492         }
 493         return strlen(buf);
 494 }
 495
 496 static ssize_t
 497 qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
 498 {
 499         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 500
 501         return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
 502 }
 503
 504 static ssize_t
 505 qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
 506     size_t count)
 507 {
 508         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 509         int val = 0;
 510         uint16_t zio_timer;
 511
 512         if (sscanf(buf, "%d", &val) != 1)
 513                 return -EINVAL;
 514         if (val > 25500 || val < 100)
 515                 return -ERANGE;
 516
 517         zio_timer = (uint16_t)(val / 100);
 518         ha->zio_timer = zio_timer;
 519
 520         return strlen(buf);
 521 }
 522
 523 static ssize_t
 524 qla2x00_beacon_show(struct class_device *cdev, char *buf)
 525 {
 526         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 527         int len = 0;
 528
 529         if (ha->beacon_blink_led)
 530                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
 531         else
 532                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 533         return len;
 534 }
 535
 536 static ssize_t
 537 qla2x00_beacon_store(struct class_device *cdev, const char *buf,
 538     size_t count)
 539 {
 540         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 541         int val = 0;
 542         int rval;
 543
 544         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 545                 return -EPERM;
 546
 547         if (test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) {
 548                 qla_printk(KERN_WARNING, ha,
 549                     "Abort ISP active -- ignoring beacon request.\n");
 550                 return -EBUSY;
 551         }
 552
 553         if (sscanf(buf, "%d", &val) != 1)
 554                 return -EINVAL;
 555
 556         if (val)
 557                 rval = ha->isp_ops.beacon_on(ha);
 558         else
 559                 rval = ha->isp_ops.beacon_off(ha);
 560
 561         if (rval != QLA_SUCCESS)
 562                 count = 0;
 563
 564         return count;
 565 }
 566
 567 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
 568         NULL);
 569 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
 570 static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
 571 static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
 572 static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
 573 static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
 574 static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
 575 static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
 576 static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
 577 static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
 578     qla2x00_zio_store);
 579 static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
 580     qla2x00_zio_timer_store);
 581 static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
 582     qla2x00_beacon_store);
 583
 584 struct class_device_attribute *qla2x00_host_attrs[] = {
 585         &class_device_attr_driver_version,
 586         &class_device_attr_fw_version,
 587         &class_device_attr_serial_num,
 588         &class_device_attr_isp_name,
 589         &class_device_attr_isp_id,
 590         &class_device_attr_model_name,
 591         &class_device_attr_model_desc,
 592         &class_device_attr_pci_info,
 593         &class_device_attr_state,
 594         &class_device_attr_zio,
 595         &class_device_attr_zio_timer,
 596         &class_device_attr_beacon,
 597         NULL,
 598 };
 599
 600 /* Host attributes. */
 601
 602 static void
 603 qla2x00_get_host_port_id(struct Scsi_Host *shost)
 604 {
 605         scsi_qla_host_t *ha = to_qla_host(shost);
 606
 607         fc_host_port_id(shost) = ha->d_id.b.domain << 16 |
 608             ha->d_id.b.area << 8 | ha->d_id.b.al_pa;
 609 }
 610
 611 static void
 612 qla2x00_get_host_speed(struct Scsi_Host *shost)
 613 {
 614         scsi_qla_host_t *ha = to_qla_host(shost);
 615         uint32_t speed = 0;
 616
 617         switch (ha->link_data_rate) {
 618         case LDR_1GB:
 619                 speed = 1;
 620                 break;
 621         case LDR_2GB:
 622                 speed = 2;
 623                 break;
 624         case LDR_4GB:
 625                 speed = 4;
 626                 break;
 627         }
 628         fc_host_speed(shost) = speed;
 629 }
 630
 631 static void
 632 qla2x00_get_host_port_type(struct Scsi_Host *shost)
 633 {
 634         scsi_qla_host_t *ha = to_qla_host(shost);
 635         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
 636
 637         switch (ha->current_topology) {
 638         case ISP_CFG_NL:
 639                 port_type = FC_PORTTYPE_LPORT;
 640                 break;
 641         case ISP_CFG_FL:
 642                 port_type = FC_PORTTYPE_NLPORT;
 643                 break;
 644         case ISP_CFG_N:
 645                 port_type = FC_PORTTYPE_PTP;
 646                 break;
 647         case ISP_CFG_F:
 648                 port_type = FC_PORTTYPE_NPORT;
 649                 break;
 650         }
 651         fc_host_port_type(shost) = port_type;
 652 }
 653
 654 static void
 655 qla2x00_get_starget_node_name(struct scsi_target *starget)
 656 {
 657         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 658         scsi_qla_host_t *ha = to_qla_host(host);
 659         fc_port_t *fcport;
 660         u64 node_name = 0;
 661
 662         list_for_each_entry(fcport, &ha->fcports, list) {
 663                 if (starget->id == fcport->os_target_id) {
 664                         node_name = wwn_to_u64(fcport->node_name);
 665                         break;
 666                 }
 667         }
 668
 669         fc_starget_node_name(starget) = node_name;
 670 }
 671
 672 static void
 673 qla2x00_get_starget_port_name(struct scsi_target *starget)
 674 {
 675         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 676         scsi_qla_host_t *ha = to_qla_host(host);
 677         fc_port_t *fcport;
 678         u64 port_name = 0;
 679
 680         list_for_each_entry(fcport, &ha->fcports, list) {
 681                 if (starget->id == fcport->os_target_id) {
 682                         port_name = wwn_to_u64(fcport->port_name);
 683                         break;
 684                 }
 685         }
 686
 687         fc_starget_port_name(starget) = port_name;
 688 }
 689
 690 static void
 691 qla2x00_get_starget_port_id(struct scsi_target *starget)
 692 {
 693         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 694         scsi_qla_host_t *ha = to_qla_host(host);
 695         fc_port_t *fcport;
 696         uint32_t port_id = ~0U;
 697
 698         list_for_each_entry(fcport, &ha->fcports, list) {
 699                 if (starget->id == fcport->os_target_id) {
 700                         port_id = fcport->d_id.b.domain << 16 |
 701                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
 702                         break;
 703                 }
 704         }
 705
 706         fc_starget_port_id(starget) = port_id;
 707 }
 708
 709 static void
 710 qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
 711 {
 712         struct Scsi_Host *host = rport_to_shost(rport);
 713         scsi_qla_host_t *ha = to_qla_host(host);
 714
 715         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 716 }
 717
 718 static void
 719 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 720 {
 721         struct Scsi_Host *host = rport_to_shost(rport);
 722         scsi_qla_host_t *ha = to_qla_host(host);
 723
 724         if (timeout)
 725                 ha->port_down_retry_count = timeout;
 726         else
 727                 ha->port_down_retry_count = 1;
 728
 729         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 730 }
 731
 732 static int
 733 qla2x00_issue_lip(struct Scsi_Host *shost)
 734 {
 735         scsi_qla_host_t *ha = to_qla_host(shost);
 736
 737         set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
 738         return 0;
 739 }
 740
 741 static struct fc_host_statistics *
 742 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
 743 {
 744         scsi_qla_host_t *ha = to_qla_host(shost);
 745         int rval;
 746         uint16_t mb_stat[1];
 747         link_stat_t stat_buf;
 748         struct fc_host_statistics *pfc_host_stat;
 749
 750         pfc_host_stat = &ha->fc_host_stat;
 751         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
 752
 753         if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
 754                 rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
 755                     sizeof(stat_buf) / 4, mb_stat);
 756         } else {
 757                 rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
 758                     mb_stat);
 759         }
 760         if (rval != 0) {
 761                 qla_printk(KERN_WARNING, ha,
 762                     "Unable to retrieve host statistics (%d).\n", mb_stat[0]);
 763                 return pfc_host_stat;
 764         }
 765
 766         pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
 767         pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
 768         pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
 769         pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
 770         pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
 771         pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
 772
 773         return pfc_host_stat;
 774 }
 775
 776 struct fc_function_template qla2xxx_transport_functions = {
 777
 778         .show_host_node_name = 1,
 779         .show_host_port_name = 1,
 780         .show_host_supported_classes = 1,
 781
 782         .get_host_port_id = qla2x00_get_host_port_id,
 783         .show_host_port_id = 1,
 784         .get_host_speed = qla2x00_get_host_speed,
 785         .show_host_speed = 1,
 786         .get_host_port_type = qla2x00_get_host_port_type,
 787         .show_host_port_type = 1,
 788
 789         .dd_fcrport_size = sizeof(struct fc_port *),
 790         .show_rport_supported_classes = 1,
 791
 792         .get_starget_node_name = qla2x00_get_starget_node_name,
 793         .show_starget_node_name = 1,
 794         .get_starget_port_name = qla2x00_get_starget_port_name,
 795         .show_starget_port_name = 1,
 796         .get_starget_port_id  = qla2x00_get_starget_port_id,
 797         .show_starget_port_id = 1,
 798
 799         .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
 800         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
 801         .show_rport_dev_loss_tmo = 1,
 802
 803         .issue_fc_host_lip = qla2x00_issue_lip,
 804         .get_fc_host_stats = qla2x00_get_fc_host_stats,
 805 };
 806
 807 void
 808 qla2x00_init_host_attr(scsi_qla_host_t *ha)
 809 {
 810         fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
 811         fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
 812         fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
 813 }