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   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2005 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8
   9 #include <linux/vmalloc.h>
  10
  11 /* SYSFS attributes --------------------------------------------------------- */
  12
  13 static ssize_t
  14 qla2x00_sysfs_read_fw_dump(struct kobject *kobj, char *buf, loff_t off,
  15     size_t count)
  16 {
  17         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
  18             struct device, kobj)));
  19
  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 void
 183 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
 184 {
 185         struct Scsi_Host *host = ha->host;
 186
 187         sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
 188         sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
 189 }
 190
 191 void
 192 qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
 193 {
 194         struct Scsi_Host *host = ha->host;
 195
 196         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
 197         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
 198
 199         if (ha->beacon_blink_led == 1)
 200                 ha->isp_ops.beacon_off(ha);
 201 }
 202
 203 /* Scsi_Host attributes. */
 204
 205 static ssize_t
 206 qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
 207 {
 208         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 209 }
 210
 211 static ssize_t
 212 qla2x00_fw_version_show(struct class_device *cdev, char *buf)
 213 {
 214         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 215         char fw_str[30];
 216
 217         return snprintf(buf, PAGE_SIZE, "%s\n",
 218             ha->isp_ops.fw_version_str(ha, fw_str));
 219 }
 220
 221 static ssize_t
 222 qla2x00_serial_num_show(struct class_device *cdev, char *buf)
 223 {
 224         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 225         uint32_t sn;
 226
 227         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 228         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 229             sn % 100000);
 230 }
 231
 232 static ssize_t
 233 qla2x00_isp_name_show(struct class_device *cdev, char *buf)
 234 {
 235         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 236         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
 237 }
 238
 239 static ssize_t
 240 qla2x00_isp_id_show(struct class_device *cdev, char *buf)
 241 {
 242         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 243         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 244             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 245             ha->product_id[3]);
 246 }
 247
 248 static ssize_t
 249 qla2x00_model_name_show(struct class_device *cdev, char *buf)
 250 {
 251         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 252         return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
 253 }
 254
 255 static ssize_t
 256 qla2x00_model_desc_show(struct class_device *cdev, char *buf)
 257 {
 258         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 259         return snprintf(buf, PAGE_SIZE, "%s\n",
 260             ha->model_desc ? ha->model_desc: "");
 261 }
 262
 263 static ssize_t
 264 qla2x00_pci_info_show(struct class_device *cdev, char *buf)
 265 {
 266         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 267         char pci_info[30];
 268
 269         return snprintf(buf, PAGE_SIZE, "%s\n",
 270             ha->isp_ops.pci_info_str(ha, pci_info));
 271 }
 272
 273 static ssize_t
 274 qla2x00_state_show(struct class_device *cdev, char *buf)
 275 {
 276         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 277         int len = 0;
 278
 279         if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
 280             atomic_read(&ha->loop_state) == LOOP_DEAD)
 281                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 282         else if (atomic_read(&ha->loop_state) != LOOP_READY ||
 283             test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
 284             test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
 285                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 286         else {
 287                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
 288
 289                 switch (ha->current_topology) {
 290                 case ISP_CFG_NL:
 291                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 292                         break;
 293                 case ISP_CFG_FL:
 294                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
 295                         break;
 296                 case ISP_CFG_N:
 297                         len += snprintf(buf + len, PAGE_SIZE-len,
 298                             "N_Port to N_Port\n");
 299                         break;
 300                 case ISP_CFG_F:
 301                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
 302                         break;
 303                 default:
 304                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 305                         break;
 306                 }
 307         }
 308         return len;
 309 }
 310
 311 static ssize_t
 312 qla2x00_zio_show(struct class_device *cdev, char *buf)
 313 {
 314         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 315         int len = 0;
 316
 317         switch (ha->zio_mode) {
 318         case QLA_ZIO_MODE_5:
 319                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 5\n");
 320                 break;
 321         case QLA_ZIO_MODE_6:
 322                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
 323                 break;
 324         case QLA_ZIO_DISABLED:
 325                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 326                 break;
 327         }
 328         return len;
 329 }
 330
 331 static ssize_t
 332 qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count)
 333 {
 334         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 335         int val = 0;
 336         uint16_t zio_mode;
 337
 338         if (sscanf(buf, "%d", &val) != 1)
 339                 return -EINVAL;
 340
 341         switch (val) {
 342         case 1:
 343                 zio_mode = QLA_ZIO_MODE_5;
 344                 break;
 345         case 2:
 346                 zio_mode = QLA_ZIO_MODE_6;
 347                 break;
 348         default:
 349                 zio_mode = QLA_ZIO_DISABLED;
 350                 break;
 351         }
 352
 353         /* Update per-hba values and queue a reset. */
 354         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
 355                 ha->zio_mode = zio_mode;
 356                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 357         }
 358         return strlen(buf);
 359 }
 360
 361 static ssize_t
 362 qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
 363 {
 364         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 365
 366         return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
 367 }
 368
 369 static ssize_t
 370 qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
 371     size_t count)
 372 {
 373         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 374         int val = 0;
 375         uint16_t zio_timer;
 376
 377         if (sscanf(buf, "%d", &val) != 1)
 378                 return -EINVAL;
 379         if (val > 25500 || val < 100)
 380                 return -ERANGE;
 381
 382         zio_timer = (uint16_t)(val / 100);
 383         ha->zio_timer = zio_timer;
 384
 385         return strlen(buf);
 386 }
 387
 388 static ssize_t
 389 qla2x00_beacon_show(struct class_device *cdev, char *buf)
 390 {
 391         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 392         int len = 0;
 393
 394         if (ha->beacon_blink_led)
 395                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
 396         else
 397                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 398         return len;
 399 }
 400
 401 static ssize_t
 402 qla2x00_beacon_store(struct class_device *cdev, const char *buf,
 403     size_t count)
 404 {
 405         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 406         int val = 0;
 407         int rval;
 408
 409         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 410                 return -EPERM;
 411
 412         if (test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) {
 413                 qla_printk(KERN_WARNING, ha,
 414                     "Abort ISP active -- ignoring beacon request.\n");
 415                 return -EBUSY;
 416         }
 417
 418         if (sscanf(buf, "%d", &val) != 1)
 419                 return -EINVAL;
 420
 421         if (val)
 422                 rval = ha->isp_ops.beacon_on(ha);
 423         else
 424                 rval = ha->isp_ops.beacon_off(ha);
 425
 426         if (rval != QLA_SUCCESS)
 427                 count = 0;
 428
 429         return count;
 430 }
 431
 432 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
 433         NULL);
 434 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
 435 static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
 436 static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
 437 static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
 438 static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
 439 static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
 440 static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
 441 static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
 442 static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
 443     qla2x00_zio_store);
 444 static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
 445     qla2x00_zio_timer_store);
 446 static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
 447     qla2x00_beacon_store);
 448
 449 struct class_device_attribute *qla2x00_host_attrs[] = {
 450         &class_device_attr_driver_version,
 451         &class_device_attr_fw_version,
 452         &class_device_attr_serial_num,
 453         &class_device_attr_isp_name,
 454         &class_device_attr_isp_id,
 455         &class_device_attr_model_name,
 456         &class_device_attr_model_desc,
 457         &class_device_attr_pci_info,
 458         &class_device_attr_state,
 459         &class_device_attr_zio,
 460         &class_device_attr_zio_timer,
 461         &class_device_attr_beacon,
 462         NULL,
 463 };
 464
 465 /* Host attributes. */
 466
 467 static void
 468 qla2x00_get_host_port_id(struct Scsi_Host *shost)
 469 {
 470         scsi_qla_host_t *ha = to_qla_host(shost);
 471
 472         fc_host_port_id(shost) = ha->d_id.b.domain << 16 |
 473             ha->d_id.b.area << 8 | ha->d_id.b.al_pa;
 474 }
 475
 476 static void
 477 qla2x00_get_host_speed(struct Scsi_Host *shost)
 478 {
 479         scsi_qla_host_t *ha = to_qla_host(shost);
 480         uint32_t speed = 0;
 481
 482         switch (ha->link_data_rate) {
 483         case LDR_1GB:
 484                 speed = 1;
 485                 break;
 486         case LDR_2GB:
 487                 speed = 2;
 488                 break;
 489         case LDR_4GB:
 490                 speed = 4;
 491                 break;
 492         }
 493         fc_host_speed(shost) = speed;
 494 }
 495
 496 static void
 497 qla2x00_get_host_port_type(struct Scsi_Host *shost)
 498 {
 499         scsi_qla_host_t *ha = to_qla_host(shost);
 500         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
 501
 502         switch (ha->current_topology) {
 503         case ISP_CFG_NL:
 504                 port_type = FC_PORTTYPE_LPORT;
 505                 break;
 506         case ISP_CFG_FL:
 507                 port_type = FC_PORTTYPE_NLPORT;
 508                 break;
 509         case ISP_CFG_N:
 510                 port_type = FC_PORTTYPE_PTP;
 511                 break;
 512         case ISP_CFG_F:
 513                 port_type = FC_PORTTYPE_NPORT;
 514                 break;
 515         }
 516         fc_host_port_type(shost) = port_type;
 517 }
 518
 519 static void
 520 qla2x00_get_starget_node_name(struct scsi_target *starget)
 521 {
 522         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 523         scsi_qla_host_t *ha = to_qla_host(host);
 524         fc_port_t *fcport;
 525         u64 node_name = 0;
 526
 527         list_for_each_entry(fcport, &ha->fcports, list) {
 528                 if (starget->id == fcport->os_target_id) {
 529                         node_name = wwn_to_u64(fcport->node_name);
 530                         break;
 531                 }
 532         }
 533
 534         fc_starget_node_name(starget) = node_name;
 535 }
 536
 537 static void
 538 qla2x00_get_starget_port_name(struct scsi_target *starget)
 539 {
 540         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 541         scsi_qla_host_t *ha = to_qla_host(host);
 542         fc_port_t *fcport;
 543         u64 port_name = 0;
 544
 545         list_for_each_entry(fcport, &ha->fcports, list) {
 546                 if (starget->id == fcport->os_target_id) {
 547                         port_name = wwn_to_u64(fcport->port_name);
 548                         break;
 549                 }
 550         }
 551
 552         fc_starget_port_name(starget) = port_name;
 553 }
 554
 555 static void
 556 qla2x00_get_starget_port_id(struct scsi_target *starget)
 557 {
 558         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 559         scsi_qla_host_t *ha = to_qla_host(host);
 560         fc_port_t *fcport;
 561         uint32_t port_id = ~0U;
 562
 563         list_for_each_entry(fcport, &ha->fcports, list) {
 564                 if (starget->id == fcport->os_target_id) {
 565                         port_id = fcport->d_id.b.domain << 16 |
 566                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
 567                         break;
 568                 }
 569         }
 570
 571         fc_starget_port_id(starget) = port_id;
 572 }
 573
 574 static void
 575 qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
 576 {
 577         struct Scsi_Host *host = rport_to_shost(rport);
 578         scsi_qla_host_t *ha = to_qla_host(host);
 579
 580         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 581 }
 582
 583 static void
 584 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 585 {
 586         struct Scsi_Host *host = rport_to_shost(rport);
 587         scsi_qla_host_t *ha = to_qla_host(host);
 588
 589         if (timeout)
 590                 ha->port_down_retry_count = timeout;
 591         else
 592                 ha->port_down_retry_count = 1;
 593
 594         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 595 }
 596
 597 static int
 598 qla2x00_issue_lip(struct Scsi_Host *shost)
 599 {
 600         scsi_qla_host_t *ha = to_qla_host(shost);
 601
 602         set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
 603         return 0;
 604 }
 605
 606 static struct fc_host_statistics *
 607 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
 608 {
 609         scsi_qla_host_t *ha = to_qla_host(shost);
 610         int rval;
 611         uint16_t mb_stat[1];
 612         link_stat_t stat_buf;
 613         struct fc_host_statistics *pfc_host_stat;
 614
 615         pfc_host_stat = &ha->fc_host_stat;
 616         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
 617
 618         if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
 619                 rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
 620                     sizeof(stat_buf) / 4, mb_stat);
 621         } else {
 622                 rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
 623                     mb_stat);
 624         }
 625         if (rval != 0) {
 626                 qla_printk(KERN_WARNING, ha,
 627                     "Unable to retrieve host statistics (%d).\n", mb_stat[0]);
 628                 return pfc_host_stat;
 629         }
 630
 631         pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
 632         pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
 633         pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
 634         pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
 635         pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
 636         pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
 637
 638         return pfc_host_stat;
 639 }
 640
 641 struct fc_function_template qla2xxx_transport_functions = {
 642
 643         .show_host_node_name = 1,
 644         .show_host_port_name = 1,
 645         .show_host_supported_classes = 1,
 646
 647         .get_host_port_id = qla2x00_get_host_port_id,
 648         .show_host_port_id = 1,
 649         .get_host_speed = qla2x00_get_host_speed,
 650         .show_host_speed = 1,
 651         .get_host_port_type = qla2x00_get_host_port_type,
 652         .show_host_port_type = 1,
 653
 654         .dd_fcrport_size = sizeof(struct fc_port *),
 655         .show_rport_supported_classes = 1,
 656
 657         .get_starget_node_name = qla2x00_get_starget_node_name,
 658         .show_starget_node_name = 1,
 659         .get_starget_port_name = qla2x00_get_starget_port_name,
 660         .show_starget_port_name = 1,
 661         .get_starget_port_id  = qla2x00_get_starget_port_id,
 662         .show_starget_port_id = 1,
 663
 664         .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
 665         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
 666         .show_rport_dev_loss_tmo = 1,
 667
 668         .issue_fc_host_lip = qla2x00_issue_lip,
 669         .get_fc_host_stats = qla2x00_get_fc_host_stats,
 670 };
 671
 672 void
 673 qla2x00_init_host_attr(scsi_qla_host_t *ha)
 674 {
 675         fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
 676         fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
 677         fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
 678 }