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/kthread.h>
  10 #include <linux/vmalloc.h>
  11
  12 int qla24xx_vport_disable(struct fc_vport *, bool);
  13
  14 /* SYSFS attributes --------------------------------------------------------- */
  15
  16 static ssize_t
  17 qla2x00_sysfs_read_fw_dump(struct kobject *kobj,
  18                            struct bin_attribute *bin_attr,
  19                            char *buf, loff_t off, size_t count)
  20 {
  21         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
  22             struct device, kobj)));
  23         char *rbuf = (char *)ha->fw_dump;
  24
  25         if (ha->fw_dump_reading == 0)
  26                 return 0;
  27         if (off > ha->fw_dump_len)
  28                 return 0;
  29         if (off + count > ha->fw_dump_len)
  30                 count = ha->fw_dump_len - off;
  31
  32         memcpy(buf, &rbuf[off], count);
  33
  34         return (count);
  35 }
  36
  37 static ssize_t
  38 qla2x00_sysfs_write_fw_dump(struct kobject *kobj,
  39                             struct bin_attribute *bin_attr,
  40                             char *buf, loff_t off, size_t count)
  41 {
  42         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
  43             struct device, kobj)));
  44         int reading;
  45
  46         if (off != 0)
  47                 return (0);
  48
  49         reading = simple_strtol(buf, NULL, 10);
  50         switch (reading) {
  51         case 0:
  52                 if (!ha->fw_dump_reading)
  53                         break;
  54
  55                 qla_printk(KERN_INFO, ha,
  56                     "Firmware dump cleared on (%ld).\n", ha->host_no);
  57
  58                 ha->fw_dump_reading = 0;
  59                 ha->fw_dumped = 0;
  60                 break;
  61         case 1:
  62                 if (ha->fw_dumped && !ha->fw_dump_reading) {
  63                         ha->fw_dump_reading = 1;
  64
  65                         qla_printk(KERN_INFO, ha,
  66                             "Raw firmware dump ready for read on (%ld).\n",
  67                             ha->host_no);
  68                 }
  69                 break;
  70         case 2:
  71                 qla2x00_alloc_fw_dump(ha);
  72                 break;
  73         }
  74         return (count);
  75 }
  76
  77 static struct bin_attribute sysfs_fw_dump_attr = {
  78         .attr = {
  79                 .name = "fw_dump",
  80                 .mode = S_IRUSR | S_IWUSR,
  81         },
  82         .size = 0,
  83         .read = qla2x00_sysfs_read_fw_dump,
  84         .write = qla2x00_sysfs_write_fw_dump,
  85 };
  86
  87 static ssize_t
  88 qla2x00_sysfs_read_nvram(struct kobject *kobj,
  89                          struct bin_attribute *bin_attr,
  90                          char *buf, loff_t off, size_t count)
  91 {
  92         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
  93             struct device, kobj)));
  94         unsigned long   flags;
  95
  96         if (!capable(CAP_SYS_ADMIN) || off != 0)
  97                 return 0;
  98
  99         /* Read NVRAM. */
 100         spin_lock_irqsave(&ha->hardware_lock, flags);
 101         ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->nvram_base,
 102             ha->nvram_size);
 103         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 104
 105         return ha->nvram_size;
 106 }
 107
 108 static ssize_t
 109 qla2x00_sysfs_write_nvram(struct kobject *kobj,
 110                           struct bin_attribute *bin_attr,
 111                           char *buf, loff_t off, size_t count)
 112 {
 113         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 114             struct device, kobj)));
 115         unsigned long   flags;
 116         uint16_t        cnt;
 117
 118         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size)
 119                 return 0;
 120
 121         /* Checksum NVRAM. */
 122         if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 123                 uint32_t *iter;
 124                 uint32_t chksum;
 125
 126                 iter = (uint32_t *)buf;
 127                 chksum = 0;
 128                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
 129                         chksum += le32_to_cpu(*iter++);
 130                 chksum = ~chksum + 1;
 131                 *iter = cpu_to_le32(chksum);
 132         } else {
 133                 uint8_t *iter;
 134                 uint8_t chksum;
 135
 136                 iter = (uint8_t *)buf;
 137                 chksum = 0;
 138                 for (cnt = 0; cnt < count - 1; cnt++)
 139                         chksum += *iter++;
 140                 chksum = ~chksum + 1;
 141                 *iter = chksum;
 142         }
 143
 144         /* Write NVRAM. */
 145         spin_lock_irqsave(&ha->hardware_lock, flags);
 146         ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count);
 147         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 148
 149         set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 150
 151         return (count);
 152 }
 153
 154 static struct bin_attribute sysfs_nvram_attr = {
 155         .attr = {
 156                 .name = "nvram",
 157                 .mode = S_IRUSR | S_IWUSR,
 158         },
 159         .size = 512,
 160         .read = qla2x00_sysfs_read_nvram,
 161         .write = qla2x00_sysfs_write_nvram,
 162 };
 163
 164 static ssize_t
 165 qla2x00_sysfs_read_optrom(struct kobject *kobj,
 166                           struct bin_attribute *bin_attr,
 167                           char *buf, loff_t off, size_t count)
 168 {
 169         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 170             struct device, kobj)));
 171
 172         if (ha->optrom_state != QLA_SREADING)
 173                 return 0;
 174         if (off > ha->optrom_size)
 175                 return 0;
 176         if (off + count > ha->optrom_size)
 177                 count = ha->optrom_size - off;
 178
 179         memcpy(buf, &ha->optrom_buffer[off], count);
 180
 181         return count;
 182 }
 183
 184 static ssize_t
 185 qla2x00_sysfs_write_optrom(struct kobject *kobj,
 186                            struct bin_attribute *bin_attr,
 187                            char *buf, loff_t off, size_t count)
 188 {
 189         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 190             struct device, kobj)));
 191
 192         if (ha->optrom_state != QLA_SWRITING)
 193                 return -EINVAL;
 194         if (off > ha->optrom_size)
 195                 return -ERANGE;
 196         if (off + count > ha->optrom_size)
 197                 count = ha->optrom_size - off;
 198
 199         memcpy(&ha->optrom_buffer[off], buf, count);
 200
 201         return count;
 202 }
 203
 204 static struct bin_attribute sysfs_optrom_attr = {
 205         .attr = {
 206                 .name = "optrom",
 207                 .mode = S_IRUSR | S_IWUSR,
 208         },
 209         .size = OPTROM_SIZE_24XX,
 210         .read = qla2x00_sysfs_read_optrom,
 211         .write = qla2x00_sysfs_write_optrom,
 212 };
 213
 214 static ssize_t
 215 qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
 216                                struct bin_attribute *bin_attr,
 217                                char *buf, loff_t off, size_t count)
 218 {
 219         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 220             struct device, kobj)));
 221         int val;
 222
 223         if (off)
 224                 return 0;
 225
 226         if (sscanf(buf, "%d", &val) != 1)
 227                 return -EINVAL;
 228
 229         switch (val) {
 230         case 0:
 231                 if (ha->optrom_state != QLA_SREADING &&
 232                     ha->optrom_state != QLA_SWRITING)
 233                         break;
 234
 235                 ha->optrom_state = QLA_SWAITING;
 236                 vfree(ha->optrom_buffer);
 237                 ha->optrom_buffer = NULL;
 238                 break;
 239         case 1:
 240                 if (ha->optrom_state != QLA_SWAITING)
 241                         break;
 242
 243                 ha->optrom_state = QLA_SREADING;
 244                 ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
 245                 if (ha->optrom_buffer == NULL) {
 246                         qla_printk(KERN_WARNING, ha,
 247                             "Unable to allocate memory for optrom retrieval "
 248                             "(%x).\n", ha->optrom_size);
 249
 250                         ha->optrom_state = QLA_SWAITING;
 251                         return count;
 252                 }
 253
 254                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 255                 ha->isp_ops.read_optrom(ha, ha->optrom_buffer, 0,
 256                     ha->optrom_size);
 257                 break;
 258         case 2:
 259                 if (ha->optrom_state != QLA_SWAITING)
 260                         break;
 261
 262                 ha->optrom_state = QLA_SWRITING;
 263                 ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
 264                 if (ha->optrom_buffer == NULL) {
 265                         qla_printk(KERN_WARNING, ha,
 266                             "Unable to allocate memory for optrom update "
 267                             "(%x).\n", ha->optrom_size);
 268
 269                         ha->optrom_state = QLA_SWAITING;
 270                         return count;
 271                 }
 272                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 273                 break;
 274         case 3:
 275                 if (ha->optrom_state != QLA_SWRITING)
 276                         break;
 277
 278                 ha->isp_ops.write_optrom(ha, ha->optrom_buffer, 0,
 279                     ha->optrom_size);
 280                 break;
 281         }
 282         return count;
 283 }
 284
 285 static struct bin_attribute sysfs_optrom_ctl_attr = {
 286         .attr = {
 287                 .name = "optrom_ctl",
 288                 .mode = S_IWUSR,
 289         },
 290         .size = 0,
 291         .write = qla2x00_sysfs_write_optrom_ctl,
 292 };
 293
 294 static ssize_t
 295 qla2x00_sysfs_read_vpd(struct kobject *kobj,
 296                        struct bin_attribute *bin_attr,
 297                        char *buf, loff_t off, size_t count)
 298 {
 299         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 300             struct device, kobj)));
 301         unsigned long flags;
 302
 303         if (!capable(CAP_SYS_ADMIN) || off != 0)
 304                 return 0;
 305
 306         /* Read NVRAM. */
 307         spin_lock_irqsave(&ha->hardware_lock, flags);
 308         ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->vpd_base, ha->vpd_size);
 309         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 310
 311         return ha->vpd_size;
 312 }
 313
 314 static ssize_t
 315 qla2x00_sysfs_write_vpd(struct kobject *kobj,
 316                         struct bin_attribute *bin_attr,
 317                         char *buf, loff_t off, size_t count)
 318 {
 319         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 320             struct device, kobj)));
 321         unsigned long flags;
 322
 323         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size)
 324                 return 0;
 325
 326         /* Write NVRAM. */
 327         spin_lock_irqsave(&ha->hardware_lock, flags);
 328         ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->vpd_base, count);
 329         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 330
 331         return count;
 332 }
 333
 334 static struct bin_attribute sysfs_vpd_attr = {
 335         .attr = {
 336                 .name = "vpd",
 337                 .mode = S_IRUSR | S_IWUSR,
 338         },
 339         .size = 0,
 340         .read = qla2x00_sysfs_read_vpd,
 341         .write = qla2x00_sysfs_write_vpd,
 342 };
 343
 344 static ssize_t
 345 qla2x00_sysfs_read_sfp(struct kobject *kobj,
 346                        struct bin_attribute *bin_attr,
 347                        char *buf, loff_t off, size_t count)
 348 {
 349         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 350             struct device, kobj)));
 351         uint16_t iter, addr, offset;
 352         int rval;
 353
 354         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
 355                 return 0;
 356
 357         addr = 0xa0;
 358         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
 359             iter++, offset += SFP_BLOCK_SIZE) {
 360                 if (iter == 4) {
 361                         /* Skip to next device address. */
 362                         addr = 0xa2;
 363                         offset = 0;
 364                 }
 365
 366                 rval = qla2x00_read_sfp(ha, ha->sfp_data_dma, addr, offset,
 367                     SFP_BLOCK_SIZE);
 368                 if (rval != QLA_SUCCESS) {
 369                         qla_printk(KERN_WARNING, ha,
 370                             "Unable to read SFP data (%x/%x/%x).\n", rval,
 371                             addr, offset);
 372                         count = 0;
 373                         break;
 374                 }
 375                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 376                 buf += SFP_BLOCK_SIZE;
 377         }
 378
 379         return count;
 380 }
 381
 382 static struct bin_attribute sysfs_sfp_attr = {
 383         .attr = {
 384                 .name = "sfp",
 385                 .mode = S_IRUSR | S_IWUSR,
 386         },
 387         .size = SFP_DEV_SIZE * 2,
 388         .read = qla2x00_sysfs_read_sfp,
 389 };
 390
 391 static struct sysfs_entry {
 392         char *name;
 393         struct bin_attribute *attr;
 394         int is4GBp_only;
 395 } bin_file_entries[] = {
 396         { "fw_dump", &sysfs_fw_dump_attr, },
 397         { "nvram", &sysfs_nvram_attr, },
 398         { "optrom", &sysfs_optrom_attr, },
 399         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
 400         { "vpd", &sysfs_vpd_attr, 1 },
 401         { "sfp", &sysfs_sfp_attr, 1 },
 402         { NULL },
 403 };
 404
 405 void
 406 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
 407 {
 408         struct Scsi_Host *host = ha->host;
 409         struct sysfs_entry *iter;
 410         int ret;
 411
 412         for (iter = bin_file_entries; iter->name; iter++) {
 413                 if (iter->is4GBp_only && (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)))
 414                         continue;
 415
 416                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
 417                     iter->attr);
 418                 if (ret)
 419                         qla_printk(KERN_INFO, ha,
 420                             "Unable to create sysfs %s binary attribute "
 421                             "(%d).\n", iter->name, ret);
 422         }
 423 }
 424
 425 void
 426 qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
 427 {
 428         struct Scsi_Host *host = ha->host;
 429         struct sysfs_entry *iter;
 430
 431         for (iter = bin_file_entries; iter->name; iter++) {
 432                 if (iter->is4GBp_only && (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)))
 433                         continue;
 434
 435                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
 436                     iter->attr);
 437         }
 438
 439         if (ha->beacon_blink_led == 1)
 440                 ha->isp_ops.beacon_off(ha);
 441 }
 442
 443 /* Scsi_Host attributes. */
 444
 445 static ssize_t
 446 qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
 447 {
 448         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 449 }
 450
 451 static ssize_t
 452 qla2x00_fw_version_show(struct class_device *cdev, char *buf)
 453 {
 454         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 455         char fw_str[30];
 456
 457         return snprintf(buf, PAGE_SIZE, "%s\n",
 458             ha->isp_ops.fw_version_str(ha, fw_str));
 459 }
 460
 461 static ssize_t
 462 qla2x00_serial_num_show(struct class_device *cdev, char *buf)
 463 {
 464         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 465         uint32_t sn;
 466
 467         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 468         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 469             sn % 100000);
 470 }
 471
 472 static ssize_t
 473 qla2x00_isp_name_show(struct class_device *cdev, char *buf)
 474 {
 475         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 476         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
 477 }
 478
 479 static ssize_t
 480 qla2x00_isp_id_show(struct class_device *cdev, char *buf)
 481 {
 482         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 483         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 484             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 485             ha->product_id[3]);
 486 }
 487
 488 static ssize_t
 489 qla2x00_model_name_show(struct class_device *cdev, char *buf)
 490 {
 491         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 492         return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
 493 }
 494
 495 static ssize_t
 496 qla2x00_model_desc_show(struct class_device *cdev, char *buf)
 497 {
 498         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 499         return snprintf(buf, PAGE_SIZE, "%s\n",
 500             ha->model_desc ? ha->model_desc: "");
 501 }
 502
 503 static ssize_t
 504 qla2x00_pci_info_show(struct class_device *cdev, char *buf)
 505 {
 506         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 507         char pci_info[30];
 508
 509         return snprintf(buf, PAGE_SIZE, "%s\n",
 510             ha->isp_ops.pci_info_str(ha, pci_info));
 511 }
 512
 513 static ssize_t
 514 qla2x00_state_show(struct class_device *cdev, char *buf)
 515 {
 516         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 517         int len = 0;
 518
 519         if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
 520             atomic_read(&ha->loop_state) == LOOP_DEAD)
 521                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 522         else if (atomic_read(&ha->loop_state) != LOOP_READY ||
 523             test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
 524             test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
 525                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 526         else {
 527                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
 528
 529                 switch (ha->current_topology) {
 530                 case ISP_CFG_NL:
 531                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 532                         break;
 533                 case ISP_CFG_FL:
 534                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
 535                         break;
 536                 case ISP_CFG_N:
 537                         len += snprintf(buf + len, PAGE_SIZE-len,
 538                             "N_Port to N_Port\n");
 539                         break;
 540                 case ISP_CFG_F:
 541                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
 542                         break;
 543                 default:
 544                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 545                         break;
 546                 }
 547         }
 548         return len;
 549 }
 550
 551 static ssize_t
 552 qla2x00_zio_show(struct class_device *cdev, char *buf)
 553 {
 554         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 555         int len = 0;
 556
 557         switch (ha->zio_mode) {
 558         case QLA_ZIO_MODE_6:
 559                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
 560                 break;
 561         case QLA_ZIO_DISABLED:
 562                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 563                 break;
 564         }
 565         return len;
 566 }
 567
 568 static ssize_t
 569 qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count)
 570 {
 571         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 572         int val = 0;
 573         uint16_t zio_mode;
 574
 575         if (!IS_ZIO_SUPPORTED(ha))
 576                 return -ENOTSUPP;
 577
 578         if (sscanf(buf, "%d", &val) != 1)
 579                 return -EINVAL;
 580
 581         if (val)
 582                 zio_mode = QLA_ZIO_MODE_6;
 583         else
 584                 zio_mode = QLA_ZIO_DISABLED;
 585
 586         /* Update per-hba values and queue a reset. */
 587         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
 588                 ha->zio_mode = zio_mode;
 589                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 590         }
 591         return strlen(buf);
 592 }
 593
 594 static ssize_t
 595 qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
 596 {
 597         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 598
 599         return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
 600 }
 601
 602 static ssize_t
 603 qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
 604     size_t count)
 605 {
 606         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 607         int val = 0;
 608         uint16_t zio_timer;
 609
 610         if (sscanf(buf, "%d", &val) != 1)
 611                 return -EINVAL;
 612         if (val > 25500 || val < 100)
 613                 return -ERANGE;
 614
 615         zio_timer = (uint16_t)(val / 100);
 616         ha->zio_timer = zio_timer;
 617
 618         return strlen(buf);
 619 }
 620
 621 static ssize_t
 622 qla2x00_beacon_show(struct class_device *cdev, char *buf)
 623 {
 624         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 625         int len = 0;
 626
 627         if (ha->beacon_blink_led)
 628                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
 629         else
 630                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 631         return len;
 632 }
 633
 634 static ssize_t
 635 qla2x00_beacon_store(struct class_device *cdev, const char *buf,
 636     size_t count)
 637 {
 638         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 639         int val = 0;
 640         int rval;
 641
 642         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 643                 return -EPERM;
 644
 645         if (test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) {
 646                 qla_printk(KERN_WARNING, ha,
 647                     "Abort ISP active -- ignoring beacon request.\n");
 648                 return -EBUSY;
 649         }
 650
 651         if (sscanf(buf, "%d", &val) != 1)
 652                 return -EINVAL;
 653
 654         if (val)
 655                 rval = ha->isp_ops.beacon_on(ha);
 656         else
 657                 rval = ha->isp_ops.beacon_off(ha);
 658
 659         if (rval != QLA_SUCCESS)
 660                 count = 0;
 661
 662         return count;
 663 }
 664
 665 static ssize_t
 666 qla2x00_optrom_bios_version_show(struct class_device *cdev, char *buf)
 667 {
 668         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 669
 670         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
 671             ha->bios_revision[0]);
 672 }
 673
 674 static ssize_t
 675 qla2x00_optrom_efi_version_show(struct class_device *cdev, char *buf)
 676 {
 677         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 678
 679         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
 680             ha->efi_revision[0]);
 681 }
 682
 683 static ssize_t
 684 qla2x00_optrom_fcode_version_show(struct class_device *cdev, char *buf)
 685 {
 686         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 687
 688         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
 689             ha->fcode_revision[0]);
 690 }
 691
 692 static ssize_t
 693 qla2x00_optrom_fw_version_show(struct class_device *cdev, char *buf)
 694 {
 695         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 696
 697         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
 698             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
 699             ha->fw_revision[3]);
 700 }
 701
 702 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
 703         NULL);
 704 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
 705 static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
 706 static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
 707 static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
 708 static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
 709 static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
 710 static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
 711 static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
 712 static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
 713     qla2x00_zio_store);
 714 static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
 715     qla2x00_zio_timer_store);
 716 static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
 717     qla2x00_beacon_store);
 718 static CLASS_DEVICE_ATTR(optrom_bios_version, S_IRUGO,
 719     qla2x00_optrom_bios_version_show, NULL);
 720 static CLASS_DEVICE_ATTR(optrom_efi_version, S_IRUGO,
 721     qla2x00_optrom_efi_version_show, NULL);
 722 static CLASS_DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
 723     qla2x00_optrom_fcode_version_show, NULL);
 724 static CLASS_DEVICE_ATTR(optrom_fw_version, S_IRUGO,
 725     qla2x00_optrom_fw_version_show, NULL);
 726
 727 struct class_device_attribute *qla2x00_host_attrs[] = {
 728         &class_device_attr_driver_version,
 729         &class_device_attr_fw_version,
 730         &class_device_attr_serial_num,
 731         &class_device_attr_isp_name,
 732         &class_device_attr_isp_id,
 733         &class_device_attr_model_name,
 734         &class_device_attr_model_desc,
 735         &class_device_attr_pci_info,
 736         &class_device_attr_state,
 737         &class_device_attr_zio,
 738         &class_device_attr_zio_timer,
 739         &class_device_attr_beacon,
 740         &class_device_attr_optrom_bios_version,
 741         &class_device_attr_optrom_efi_version,
 742         &class_device_attr_optrom_fcode_version,
 743         &class_device_attr_optrom_fw_version,
 744         NULL,
 745 };
 746
 747 /* Host attributes. */
 748
 749 static void
 750 qla2x00_get_host_port_id(struct Scsi_Host *shost)
 751 {
 752         scsi_qla_host_t *ha = to_qla_host(shost);
 753
 754         fc_host_port_id(shost) = ha->d_id.b.domain << 16 |
 755             ha->d_id.b.area << 8 | ha->d_id.b.al_pa;
 756 }
 757
 758 static void
 759 qla2x00_get_host_speed(struct Scsi_Host *shost)
 760 {
 761         scsi_qla_host_t *ha = to_qla_host(shost);
 762         uint32_t speed = 0;
 763
 764         switch (ha->link_data_rate) {
 765         case PORT_SPEED_1GB:
 766                 speed = 1;
 767                 break;
 768         case PORT_SPEED_2GB:
 769                 speed = 2;
 770                 break;
 771         case PORT_SPEED_4GB:
 772                 speed = 4;
 773                 break;
 774         }
 775         fc_host_speed(shost) = speed;
 776 }
 777
 778 static void
 779 qla2x00_get_host_port_type(struct Scsi_Host *shost)
 780 {
 781         scsi_qla_host_t *ha = to_qla_host(shost);
 782         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
 783
 784         switch (ha->current_topology) {
 785         case ISP_CFG_NL:
 786                 port_type = FC_PORTTYPE_LPORT;
 787                 break;
 788         case ISP_CFG_FL:
 789                 port_type = FC_PORTTYPE_NLPORT;
 790                 break;
 791         case ISP_CFG_N:
 792                 port_type = FC_PORTTYPE_PTP;
 793                 break;
 794         case ISP_CFG_F:
 795                 port_type = FC_PORTTYPE_NPORT;
 796                 break;
 797         }
 798         fc_host_port_type(shost) = port_type;
 799 }
 800
 801 static void
 802 qla2x00_get_starget_node_name(struct scsi_target *starget)
 803 {
 804         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 805         scsi_qla_host_t *ha = to_qla_host(host);
 806         fc_port_t *fcport;
 807         u64 node_name = 0;
 808
 809         list_for_each_entry(fcport, &ha->fcports, list) {
 810                 if (starget->id == fcport->os_target_id) {
 811                         node_name = wwn_to_u64(fcport->node_name);
 812                         break;
 813                 }
 814         }
 815
 816         fc_starget_node_name(starget) = node_name;
 817 }
 818
 819 static void
 820 qla2x00_get_starget_port_name(struct scsi_target *starget)
 821 {
 822         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 823         scsi_qla_host_t *ha = to_qla_host(host);
 824         fc_port_t *fcport;
 825         u64 port_name = 0;
 826
 827         list_for_each_entry(fcport, &ha->fcports, list) {
 828                 if (starget->id == fcport->os_target_id) {
 829                         port_name = wwn_to_u64(fcport->port_name);
 830                         break;
 831                 }
 832         }
 833
 834         fc_starget_port_name(starget) = port_name;
 835 }
 836
 837 static void
 838 qla2x00_get_starget_port_id(struct scsi_target *starget)
 839 {
 840         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 841         scsi_qla_host_t *ha = to_qla_host(host);
 842         fc_port_t *fcport;
 843         uint32_t port_id = ~0U;
 844
 845         list_for_each_entry(fcport, &ha->fcports, list) {
 846                 if (starget->id == fcport->os_target_id) {
 847                         port_id = fcport->d_id.b.domain << 16 |
 848                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
 849                         break;
 850                 }
 851         }
 852
 853         fc_starget_port_id(starget) = port_id;
 854 }
 855
 856 static void
 857 qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
 858 {
 859         struct Scsi_Host *host = rport_to_shost(rport);
 860         scsi_qla_host_t *ha = to_qla_host(host);
 861
 862         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 863 }
 864
 865 static void
 866 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 867 {
 868         struct Scsi_Host *host = rport_to_shost(rport);
 869         scsi_qla_host_t *ha = to_qla_host(host);
 870
 871         if (timeout)
 872                 ha->port_down_retry_count = timeout;
 873         else
 874                 ha->port_down_retry_count = 1;
 875
 876         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 877 }
 878
 879 static int
 880 qla2x00_issue_lip(struct Scsi_Host *shost)
 881 {
 882         scsi_qla_host_t *ha = to_qla_host(shost);
 883
 884         set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
 885         return 0;
 886 }
 887
 888 static struct fc_host_statistics *
 889 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
 890 {
 891         scsi_qla_host_t *ha = to_qla_host(shost);
 892         int rval;
 893         uint16_t mb_stat[1];
 894         link_stat_t stat_buf;
 895         struct fc_host_statistics *pfc_host_stat;
 896
 897         rval = QLA_FUNCTION_FAILED;
 898         pfc_host_stat = &ha->fc_host_stat;
 899         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
 900
 901         if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 902                 rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
 903                     sizeof(stat_buf) / 4, mb_stat);
 904         } else if (atomic_read(&ha->loop_state) == LOOP_READY &&
 905                     !test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) &&
 906                     !test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) &&
 907                     !ha->dpc_active) {
 908                 /* Must be in a 'READY' state for statistics retrieval. */
 909                 rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
 910                     mb_stat);
 911         }
 912
 913         if (rval != QLA_SUCCESS)
 914                 goto done;
 915
 916         pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
 917         pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
 918         pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
 919         pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
 920         pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
 921         pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
 922 done:
 923         return pfc_host_stat;
 924 }
 925
 926 static void
 927 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
 928 {
 929         scsi_qla_host_t *ha = to_qla_host(shost);
 930
 931         qla2x00_get_sym_node_name(ha, fc_host_symbolic_name(shost));
 932 }
 933
 934 static void
 935 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
 936 {
 937         scsi_qla_host_t *ha = to_qla_host(shost);
 938
 939         set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
 940 }
 941
 942 static void
 943 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
 944 {
 945         scsi_qla_host_t *ha = to_qla_host(shost);
 946         u64 node_name;
 947
 948         if (ha->device_flags & SWITCH_FOUND)
 949                 node_name = wwn_to_u64(ha->fabric_node_name);
 950         else
 951                 node_name = wwn_to_u64(ha->node_name);
 952
 953         fc_host_fabric_name(shost) = node_name;
 954 }
 955
 956 static void
 957 qla2x00_get_host_port_state(struct Scsi_Host *shost)
 958 {
 959         scsi_qla_host_t *ha = to_qla_host(shost);
 960
 961         if (!ha->flags.online)
 962                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
 963         else if (atomic_read(&ha->loop_state) == LOOP_TIMEOUT)
 964                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
 965         else
 966                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
 967 }
 968
 969 static int
 970 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
 971 {
 972         int     ret = 0;
 973         scsi_qla_host_t *ha = (scsi_qla_host_t *) fc_vport->shost->hostdata;
 974         scsi_qla_host_t *vha;
 975
 976         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
 977         if (ret) {
 978                 DEBUG15(printk("qla24xx_vport_create_req_sanity_check failed, "
 979                     "status %x\n", ret));
 980                 return (ret);
 981         }
 982
 983         vha = qla24xx_create_vhost(fc_vport);
 984         if (vha == NULL) {
 985                 DEBUG15(printk ("qla24xx_create_vhost failed, vha = %p\n",
 986                     vha));
 987                 return FC_VPORT_FAILED;
 988         }
 989         if (disable) {
 990                 atomic_set(&vha->vp_state, VP_OFFLINE);
 991                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
 992         } else
 993                 atomic_set(&vha->vp_state, VP_FAILED);
 994
 995         /* ready to create vport */
 996         qla_printk(KERN_INFO, vha, "VP entry id %d assigned.\n", vha->vp_idx);
 997
 998         /* initialized vport states */
 999         atomic_set(&vha->loop_state, LOOP_DOWN);
1000         vha->vp_err_state=  VP_ERR_PORTDWN;
1001         vha->vp_prev_err_state=  VP_ERR_UNKWN;
1002         /* Check if physical ha port is Up */
1003         if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
1004             atomic_read(&ha->loop_state) == LOOP_DEAD) {
1005                 /* Don't retry or attempt login of this virtual port */
1006                 DEBUG15(printk ("scsi(%ld): pport loop_state is not UP.\n",
1007                     vha->host_no));
1008                 atomic_set(&vha->loop_state, LOOP_DEAD);
1009                 if (!disable)
1010                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
1011         }
1012
1013         if (scsi_add_host(vha->host, &fc_vport->dev)) {
1014                 DEBUG15(printk("scsi(%ld): scsi_add_host failure for VP[%d].\n",
1015                         vha->host_no, vha->vp_idx));
1016                 goto vport_create_failed_2;
1017         }
1018
1019         /* initialize attributes */
1020         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1021         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1022         fc_host_supported_classes(vha->host) =
1023                 fc_host_supported_classes(ha->host);
1024         fc_host_supported_speeds(vha->host) =
1025                 fc_host_supported_speeds(ha->host);
1026
1027         qla24xx_vport_disable(fc_vport, disable);
1028
1029         return 0;
1030 vport_create_failed_2:
1031         qla24xx_disable_vp(vha);
1032         qla24xx_deallocate_vp_id(vha);
1033         kfree(vha->port_name);
1034         kfree(vha->node_name);
1035         scsi_host_put(vha->host);
1036         return FC_VPORT_FAILED;
1037 }
1038
1039 int
1040 qla24xx_vport_delete(struct fc_vport *fc_vport)
1041 {
1042         scsi_qla_host_t *ha = (scsi_qla_host_t *) fc_vport->shost->hostdata;
1043         scsi_qla_host_t *vha = fc_vport->dd_data;
1044
1045         qla24xx_disable_vp(vha);
1046         qla24xx_deallocate_vp_id(vha);
1047
1048         down(&ha->vport_sem);
1049         ha->cur_vport_count--;
1050         clear_bit(vha->vp_idx, (unsigned long *)ha->vp_idx_map);
1051         up(&ha->vport_sem);
1052
1053         kfree(vha->node_name);
1054         kfree(vha->port_name);
1055
1056         if (vha->timer_active) {
1057                 qla2x00_vp_stop_timer(vha);
1058                 DEBUG15(printk ("scsi(%ld): timer for the vport[%d] = %p "
1059                     "has stopped\n",
1060                     vha->host_no, vha->vp_idx, vha));
1061         }
1062
1063         fc_remove_host(vha->host);
1064
1065         scsi_remove_host(vha->host);
1066
1067         scsi_host_put(vha->host);
1068
1069         return 0;
1070 }
1071
1072 int
1073 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
1074 {
1075         scsi_qla_host_t *vha = fc_vport->dd_data;
1076
1077         if (disable)
1078                 qla24xx_disable_vp(vha);
1079         else
1080                 qla24xx_enable_vp(vha);
1081
1082         return 0;
1083 }
1084
1085 struct fc_function_template qla2xxx_transport_functions = {
1086
1087         .show_host_node_name = 1,
1088         .show_host_port_name = 1,
1089         .show_host_supported_classes = 1,
1090
1091         .get_host_port_id = qla2x00_get_host_port_id,
1092         .show_host_port_id = 1,
1093         .get_host_speed = qla2x00_get_host_speed,
1094         .show_host_speed = 1,
1095         .get_host_port_type = qla2x00_get_host_port_type,
1096         .show_host_port_type = 1,
1097         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
1098         .show_host_symbolic_name = 1,
1099         .set_host_system_hostname = qla2x00_set_host_system_hostname,
1100         .show_host_system_hostname = 1,
1101         .get_host_fabric_name = qla2x00_get_host_fabric_name,
1102         .show_host_fabric_name = 1,
1103         .get_host_port_state = qla2x00_get_host_port_state,
1104         .show_host_port_state = 1,
1105
1106         .dd_fcrport_size = sizeof(struct fc_port *),
1107         .show_rport_supported_classes = 1,
1108
1109         .get_starget_node_name = qla2x00_get_starget_node_name,
1110         .show_starget_node_name = 1,
1111         .get_starget_port_name = qla2x00_get_starget_port_name,
1112         .show_starget_port_name = 1,
1113         .get_starget_port_id  = qla2x00_get_starget_port_id,
1114         .show_starget_port_id = 1,
1115
1116         .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
1117         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
1118         .show_rport_dev_loss_tmo = 1,
1119
1120         .issue_fc_host_lip = qla2x00_issue_lip,
1121         .get_fc_host_stats = qla2x00_get_fc_host_stats,
1122
1123         .vport_create = qla24xx_vport_create,
1124         .vport_disable = qla24xx_vport_disable,
1125         .vport_delete = qla24xx_vport_delete,
1126 };
1127
1128 struct fc_function_template qla2xxx_transport_vport_functions = {
1129
1130         .show_host_node_name = 1,
1131         .show_host_port_name = 1,
1132         .show_host_supported_classes = 1,
1133
1134         .get_host_port_id = qla2x00_get_host_port_id,
1135         .show_host_port_id = 1,
1136         .get_host_speed = qla2x00_get_host_speed,
1137         .show_host_speed = 1,
1138         .get_host_port_type = qla2x00_get_host_port_type,
1139         .show_host_port_type = 1,
1140         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
1141         .show_host_symbolic_name = 1,
1142         .set_host_system_hostname = qla2x00_set_host_system_hostname,
1143         .show_host_system_hostname = 1,
1144         .get_host_fabric_name = qla2x00_get_host_fabric_name,
1145         .show_host_fabric_name = 1,
1146         .get_host_port_state = qla2x00_get_host_port_state,
1147         .show_host_port_state = 1,
1148
1149         .dd_fcrport_size = sizeof(struct fc_port *),
1150         .show_rport_supported_classes = 1,
1151
1152         .get_starget_node_name = qla2x00_get_starget_node_name,
1153         .show_starget_node_name = 1,
1154         .get_starget_port_name = qla2x00_get_starget_port_name,
1155         .show_starget_port_name = 1,
1156         .get_starget_port_id  = qla2x00_get_starget_port_id,
1157         .show_starget_port_id = 1,
1158
1159         .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
1160         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
1161         .show_rport_dev_loss_tmo = 1,
1162
1163         .issue_fc_host_lip = qla2x00_issue_lip,
1164         .get_fc_host_stats = qla2x00_get_fc_host_stats,
1165 };
1166
1167 void
1168 qla2x00_init_host_attr(scsi_qla_host_t *ha)
1169 {
1170         fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
1171         fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
1172         fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
1173         fc_host_max_npiv_vports(ha->host) = MAX_NUM_VPORT_FABRIC;
1174         fc_host_npiv_vports_inuse(ha->host) = ha->cur_vport_count;
1175 }