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 || count != ha->nvram_size)
 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 (count);
 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 = 0,
 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_nvram_attr.size = ha->nvram_size;
 189         sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
 190 }
 191
 192 void
 193 qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
 194 {
 195         struct Scsi_Host *host = ha->host;
 196
 197         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
 198         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
 199
 200         if (ha->beacon_blink_led == 1)
 201                 ha->isp_ops.beacon_off(ha);
 202 }
 203
 204 /* Scsi_Host attributes. */
 205
 206 static ssize_t
 207 qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
 208 {
 209         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 210 }
 211
 212 static ssize_t
 213 qla2x00_fw_version_show(struct class_device *cdev, char *buf)
 214 {
 215         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 216         char fw_str[30];
 217
 218         return snprintf(buf, PAGE_SIZE, "%s\n",
 219             ha->isp_ops.fw_version_str(ha, fw_str));
 220 }
 221
 222 static ssize_t
 223 qla2x00_serial_num_show(struct class_device *cdev, char *buf)
 224 {
 225         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 226         uint32_t sn;
 227
 228         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 229         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 230             sn % 100000);
 231 }
 232
 233 static ssize_t
 234 qla2x00_isp_name_show(struct class_device *cdev, char *buf)
 235 {
 236         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 237         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
 238 }
 239
 240 static ssize_t
 241 qla2x00_isp_id_show(struct class_device *cdev, char *buf)
 242 {
 243         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 244         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 245             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 246             ha->product_id[3]);
 247 }
 248
 249 static ssize_t
 250 qla2x00_model_name_show(struct class_device *cdev, char *buf)
 251 {
 252         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 253         return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
 254 }
 255
 256 static ssize_t
 257 qla2x00_model_desc_show(struct class_device *cdev, char *buf)
 258 {
 259         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 260         return snprintf(buf, PAGE_SIZE, "%s\n",
 261             ha->model_desc ? ha->model_desc: "");
 262 }
 263
 264 static ssize_t
 265 qla2x00_pci_info_show(struct class_device *cdev, char *buf)
 266 {
 267         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 268         char pci_info[30];
 269
 270         return snprintf(buf, PAGE_SIZE, "%s\n",
 271             ha->isp_ops.pci_info_str(ha, pci_info));
 272 }
 273
 274 static ssize_t
 275 qla2x00_state_show(struct class_device *cdev, char *buf)
 276 {
 277         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 278         int len = 0;
 279
 280         if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
 281             atomic_read(&ha->loop_state) == LOOP_DEAD)
 282                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 283         else if (atomic_read(&ha->loop_state) != LOOP_READY ||
 284             test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
 285             test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
 286                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 287         else {
 288                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
 289
 290                 switch (ha->current_topology) {
 291                 case ISP_CFG_NL:
 292                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 293                         break;
 294                 case ISP_CFG_FL:
 295                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
 296                         break;
 297                 case ISP_CFG_N:
 298                         len += snprintf(buf + len, PAGE_SIZE-len,
 299                             "N_Port to N_Port\n");
 300                         break;
 301                 case ISP_CFG_F:
 302                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
 303                         break;
 304                 default:
 305                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 306                         break;
 307                 }
 308         }
 309         return len;
 310 }
 311
 312 static ssize_t
 313 qla2x00_zio_show(struct class_device *cdev, char *buf)
 314 {
 315         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 316         int len = 0;
 317
 318         switch (ha->zio_mode) {
 319         case QLA_ZIO_MODE_5:
 320                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 5\n");
 321                 break;
 322         case QLA_ZIO_MODE_6:
 323                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
 324                 break;
 325         case QLA_ZIO_DISABLED:
 326                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 327                 break;
 328         }
 329         return len;
 330 }
 331
 332 static ssize_t
 333 qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count)
 334 {
 335         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 336         int val = 0;
 337         uint16_t zio_mode;
 338
 339         if (sscanf(buf, "%d", &val) != 1)
 340                 return -EINVAL;
 341
 342         switch (val) {
 343         case 1:
 344                 zio_mode = QLA_ZIO_MODE_5;
 345                 break;
 346         case 2:
 347                 zio_mode = QLA_ZIO_MODE_6;
 348                 break;
 349         default:
 350                 zio_mode = QLA_ZIO_DISABLED;
 351                 break;
 352         }
 353
 354         /* Update per-hba values and queue a reset. */
 355         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
 356                 ha->zio_mode = zio_mode;
 357                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 358         }
 359         return strlen(buf);
 360 }
 361
 362 static ssize_t
 363 qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
 364 {
 365         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 366
 367         return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
 368 }
 369
 370 static ssize_t
 371 qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
 372     size_t count)
 373 {
 374         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 375         int val = 0;
 376         uint16_t zio_timer;
 377
 378         if (sscanf(buf, "%d", &val) != 1)
 379                 return -EINVAL;
 380         if (val > 25500 || val < 100)
 381                 return -ERANGE;
 382
 383         zio_timer = (uint16_t)(val / 100);
 384         ha->zio_timer = zio_timer;
 385
 386         return strlen(buf);
 387 }
 388
 389 static ssize_t
 390 qla2x00_beacon_show(struct class_device *cdev, char *buf)
 391 {
 392         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 393         int len = 0;
 394
 395         if (ha->beacon_blink_led)
 396                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
 397         else
 398                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 399         return len;
 400 }
 401
 402 static ssize_t
 403 qla2x00_beacon_store(struct class_device *cdev, const char *buf,
 404     size_t count)
 405 {
 406         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 407         int val = 0;
 408         int rval;
 409
 410         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 411                 return -EPERM;
 412
 413         if (test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) {
 414                 qla_printk(KERN_WARNING, ha,
 415                     "Abort ISP active -- ignoring beacon request.\n");
 416                 return -EBUSY;
 417         }
 418
 419         if (sscanf(buf, "%d", &val) != 1)
 420                 return -EINVAL;
 421
 422         if (val)
 423                 rval = ha->isp_ops.beacon_on(ha);
 424         else
 425                 rval = ha->isp_ops.beacon_off(ha);
 426
 427         if (rval != QLA_SUCCESS)
 428                 count = 0;
 429
 430         return count;
 431 }
 432
 433 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
 434         NULL);
 435 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
 436 static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
 437 static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
 438 static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
 439 static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
 440 static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
 441 static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
 442 static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
 443 static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
 444     qla2x00_zio_store);
 445 static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
 446     qla2x00_zio_timer_store);
 447 static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
 448     qla2x00_beacon_store);
 449
 450 struct class_device_attribute *qla2x00_host_attrs[] = {
 451         &class_device_attr_driver_version,
 452         &class_device_attr_fw_version,
 453         &class_device_attr_serial_num,
 454         &class_device_attr_isp_name,
 455         &class_device_attr_isp_id,
 456         &class_device_attr_model_name,
 457         &class_device_attr_model_desc,
 458         &class_device_attr_pci_info,
 459         &class_device_attr_state,
 460         &class_device_attr_zio,
 461         &class_device_attr_zio_timer,
 462         &class_device_attr_beacon,
 463         NULL,
 464 };
 465
 466 /* Host attributes. */
 467
 468 static void
 469 qla2x00_get_host_port_id(struct Scsi_Host *shost)
 470 {
 471         scsi_qla_host_t *ha = to_qla_host(shost);
 472
 473         fc_host_port_id(shost) = ha->d_id.b.domain << 16 |
 474             ha->d_id.b.area << 8 | ha->d_id.b.al_pa;
 475 }
 476
 477 static void
 478 qla2x00_get_host_speed(struct Scsi_Host *shost)
 479 {
 480         scsi_qla_host_t *ha = to_qla_host(shost);
 481         uint32_t speed = 0;
 482
 483         switch (ha->link_data_rate) {
 484         case LDR_1GB:
 485                 speed = 1;
 486                 break;
 487         case LDR_2GB:
 488                 speed = 2;
 489                 break;
 490         case LDR_4GB:
 491                 speed = 4;
 492                 break;
 493         }
 494         fc_host_speed(shost) = speed;
 495 }
 496
 497 static void
 498 qla2x00_get_host_port_type(struct Scsi_Host *shost)
 499 {
 500         scsi_qla_host_t *ha = to_qla_host(shost);
 501         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
 502
 503         switch (ha->current_topology) {
 504         case ISP_CFG_NL:
 505                 port_type = FC_PORTTYPE_LPORT;
 506                 break;
 507         case ISP_CFG_FL:
 508                 port_type = FC_PORTTYPE_NLPORT;
 509                 break;
 510         case ISP_CFG_N:
 511                 port_type = FC_PORTTYPE_PTP;
 512                 break;
 513         case ISP_CFG_F:
 514                 port_type = FC_PORTTYPE_NPORT;
 515                 break;
 516         }
 517         fc_host_port_type(shost) = port_type;
 518 }
 519
 520 static void
 521 qla2x00_get_starget_node_name(struct scsi_target *starget)
 522 {
 523         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 524         scsi_qla_host_t *ha = to_qla_host(host);
 525         fc_port_t *fcport;
 526         u64 node_name = 0;
 527
 528         list_for_each_entry(fcport, &ha->fcports, list) {
 529                 if (starget->id == fcport->os_target_id) {
 530                         node_name = wwn_to_u64(fcport->node_name);
 531                         break;
 532                 }
 533         }
 534
 535         fc_starget_node_name(starget) = node_name;
 536 }
 537
 538 static void
 539 qla2x00_get_starget_port_name(struct scsi_target *starget)
 540 {
 541         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 542         scsi_qla_host_t *ha = to_qla_host(host);
 543         fc_port_t *fcport;
 544         u64 port_name = 0;
 545
 546         list_for_each_entry(fcport, &ha->fcports, list) {
 547                 if (starget->id == fcport->os_target_id) {
 548                         port_name = wwn_to_u64(fcport->port_name);
 549                         break;
 550                 }
 551         }
 552
 553         fc_starget_port_name(starget) = port_name;
 554 }
 555
 556 static void
 557 qla2x00_get_starget_port_id(struct scsi_target *starget)
 558 {
 559         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 560         scsi_qla_host_t *ha = to_qla_host(host);
 561         fc_port_t *fcport;
 562         uint32_t port_id = ~0U;
 563
 564         list_for_each_entry(fcport, &ha->fcports, list) {
 565                 if (starget->id == fcport->os_target_id) {
 566                         port_id = fcport->d_id.b.domain << 16 |
 567                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
 568                         break;
 569                 }
 570         }
 571
 572         fc_starget_port_id(starget) = port_id;
 573 }
 574
 575 static void
 576 qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
 577 {
 578         struct Scsi_Host *host = rport_to_shost(rport);
 579         scsi_qla_host_t *ha = to_qla_host(host);
 580
 581         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 582 }
 583
 584 static void
 585 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 586 {
 587         struct Scsi_Host *host = rport_to_shost(rport);
 588         scsi_qla_host_t *ha = to_qla_host(host);
 589
 590         if (timeout)
 591                 ha->port_down_retry_count = timeout;
 592         else
 593                 ha->port_down_retry_count = 1;
 594
 595         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 596 }
 597
 598 static int
 599 qla2x00_issue_lip(struct Scsi_Host *shost)
 600 {
 601         scsi_qla_host_t *ha = to_qla_host(shost);
 602
 603         set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
 604         return 0;
 605 }
 606
 607 static struct fc_host_statistics *
 608 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
 609 {
 610         scsi_qla_host_t *ha = to_qla_host(shost);
 611         int rval;
 612         uint16_t mb_stat[1];
 613         link_stat_t stat_buf;
 614         struct fc_host_statistics *pfc_host_stat;
 615
 616         pfc_host_stat = &ha->fc_host_stat;
 617         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
 618
 619         if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
 620                 rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
 621                     sizeof(stat_buf) / 4, mb_stat);
 622         } else {
 623                 rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
 624                     mb_stat);
 625         }
 626         if (rval != 0) {
 627                 qla_printk(KERN_WARNING, ha,
 628                     "Unable to retrieve host statistics (%d).\n", mb_stat[0]);
 629                 return pfc_host_stat;
 630         }
 631
 632         pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
 633         pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
 634         pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
 635         pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
 636         pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
 637         pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
 638
 639         return pfc_host_stat;
 640 }
 641
 642 struct fc_function_template qla2xxx_transport_functions = {
 643
 644         .show_host_node_name = 1,
 645         .show_host_port_name = 1,
 646         .show_host_supported_classes = 1,
 647
 648         .get_host_port_id = qla2x00_get_host_port_id,
 649         .show_host_port_id = 1,
 650         .get_host_speed = qla2x00_get_host_speed,
 651         .show_host_speed = 1,
 652         .get_host_port_type = qla2x00_get_host_port_type,
 653         .show_host_port_type = 1,
 654
 655         .dd_fcrport_size = sizeof(struct fc_port *),
 656         .show_rport_supported_classes = 1,
 657
 658         .get_starget_node_name = qla2x00_get_starget_node_name,
 659         .show_starget_node_name = 1,
 660         .get_starget_port_name = qla2x00_get_starget_port_name,
 661         .show_starget_port_name = 1,
 662         .get_starget_port_id  = qla2x00_get_starget_port_id,
 663         .show_starget_port_id = 1,
 664
 665         .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
 666         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
 667         .show_rport_dev_loss_tmo = 1,
 668
 669         .issue_fc_host_lip = qla2x00_issue_lip,
 670         .get_fc_host_stats = qla2x00_get_fc_host_stats,
 671 };
 672
 673 void
 674 qla2x00_init_host_attr(scsi_qla_host_t *ha)
 675 {
 676         fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
 677         fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
 678         fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
 679 }