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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/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         int             size = ha->nvram_size;
  95         char            *nvram_cache = ha->nvram;
  96
  97         if (!capable(CAP_SYS_ADMIN) || off > size || count == 0)
  98                 return 0;
  99         if (off + count > size) {
 100                 size -= off;
 101                 count = size;
 102         }
 103
 104         /* Read NVRAM data from cache. */
 105         memcpy(buf, &nvram_cache[off], count);
 106
 107         return count;
 108 }
 109
 110 static ssize_t
 111 qla2x00_sysfs_write_nvram(struct kobject *kobj,
 112                           struct bin_attribute *bin_attr,
 113                           char *buf, loff_t off, size_t count)
 114 {
 115         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 116             struct device, kobj)));
 117         unsigned long   flags;
 118         uint16_t        cnt;
 119
 120         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size)
 121                 return 0;
 122
 123         /* Checksum NVRAM. */
 124         if (IS_FWI2_CAPABLE(ha)) {
 125                 uint32_t *iter;
 126                 uint32_t chksum;
 127
 128                 iter = (uint32_t *)buf;
 129                 chksum = 0;
 130                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
 131                         chksum += le32_to_cpu(*iter++);
 132                 chksum = ~chksum + 1;
 133                 *iter = cpu_to_le32(chksum);
 134         } else {
 135                 uint8_t *iter;
 136                 uint8_t chksum;
 137
 138                 iter = (uint8_t *)buf;
 139                 chksum = 0;
 140                 for (cnt = 0; cnt < count - 1; cnt++)
 141                         chksum += *iter++;
 142                 chksum = ~chksum + 1;
 143                 *iter = chksum;
 144         }
 145
 146         /* Write NVRAM. */
 147         spin_lock_irqsave(&ha->hardware_lock, flags);
 148         ha->isp_ops->write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count);
 149         ha->isp_ops->read_nvram(ha, (uint8_t *)&ha->nvram, ha->nvram_base,
 150             count);
 151         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 152
 153         set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 154
 155         return (count);
 156 }
 157
 158 static struct bin_attribute sysfs_nvram_attr = {
 159         .attr = {
 160                 .name = "nvram",
 161                 .mode = S_IRUSR | S_IWUSR,
 162         },
 163         .size = 512,
 164         .read = qla2x00_sysfs_read_nvram,
 165         .write = qla2x00_sysfs_write_nvram,
 166 };
 167
 168 static ssize_t
 169 qla2x00_sysfs_read_optrom(struct kobject *kobj,
 170                           struct bin_attribute *bin_attr,
 171                           char *buf, loff_t off, size_t count)
 172 {
 173         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 174             struct device, kobj)));
 175
 176         if (ha->optrom_state != QLA_SREADING)
 177                 return 0;
 178         if (off > ha->optrom_size)
 179                 return 0;
 180         if (off + count > ha->optrom_size)
 181                 count = ha->optrom_size - off;
 182
 183         memcpy(buf, &ha->optrom_buffer[off], count);
 184
 185         return count;
 186 }
 187
 188 static ssize_t
 189 qla2x00_sysfs_write_optrom(struct kobject *kobj,
 190                            struct bin_attribute *bin_attr,
 191                            char *buf, loff_t off, size_t count)
 192 {
 193         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 194             struct device, kobj)));
 195
 196         if (ha->optrom_state != QLA_SWRITING)
 197                 return -EINVAL;
 198         if (off > ha->optrom_size)
 199                 return -ERANGE;
 200         if (off + count > ha->optrom_size)
 201                 count = ha->optrom_size - off;
 202
 203         memcpy(&ha->optrom_buffer[off], buf, count);
 204
 205         return count;
 206 }
 207
 208 static struct bin_attribute sysfs_optrom_attr = {
 209         .attr = {
 210                 .name = "optrom",
 211                 .mode = S_IRUSR | S_IWUSR,
 212         },
 213         .size = 0,
 214         .read = qla2x00_sysfs_read_optrom,
 215         .write = qla2x00_sysfs_write_optrom,
 216 };
 217
 218 static ssize_t
 219 qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
 220                                struct bin_attribute *bin_attr,
 221                                char *buf, loff_t off, size_t count)
 222 {
 223         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 224             struct device, kobj)));
 225         int val;
 226
 227         if (off)
 228                 return 0;
 229
 230         if (sscanf(buf, "%d", &val) != 1)
 231                 return -EINVAL;
 232
 233         switch (val) {
 234         case 0:
 235                 if (ha->optrom_state != QLA_SREADING &&
 236                     ha->optrom_state != QLA_SWRITING)
 237                         break;
 238
 239                 ha->optrom_state = QLA_SWAITING;
 240                 vfree(ha->optrom_buffer);
 241                 ha->optrom_buffer = NULL;
 242                 break;
 243         case 1:
 244                 if (ha->optrom_state != QLA_SWAITING)
 245                         break;
 246
 247                 ha->optrom_state = QLA_SREADING;
 248                 ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
 249                 if (ha->optrom_buffer == NULL) {
 250                         qla_printk(KERN_WARNING, ha,
 251                             "Unable to allocate memory for optrom retrieval "
 252                             "(%x).\n", ha->optrom_size);
 253
 254                         ha->optrom_state = QLA_SWAITING;
 255                         return count;
 256                 }
 257
 258                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 259                 ha->isp_ops->read_optrom(ha, ha->optrom_buffer, 0,
 260                     ha->optrom_size);
 261                 break;
 262         case 2:
 263                 if (ha->optrom_state != QLA_SWAITING)
 264                         break;
 265
 266                 ha->optrom_state = QLA_SWRITING;
 267                 ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
 268                 if (ha->optrom_buffer == NULL) {
 269                         qla_printk(KERN_WARNING, ha,
 270                             "Unable to allocate memory for optrom update "
 271                             "(%x).\n", ha->optrom_size);
 272
 273                         ha->optrom_state = QLA_SWAITING;
 274                         return count;
 275                 }
 276                 memset(ha->optrom_buffer, 0, ha->optrom_size);
 277                 break;
 278         case 3:
 279                 if (ha->optrom_state != QLA_SWRITING)
 280                         break;
 281
 282                 ha->isp_ops->write_optrom(ha, ha->optrom_buffer, 0,
 283                     ha->optrom_size);
 284                 break;
 285         }
 286         return count;
 287 }
 288
 289 static struct bin_attribute sysfs_optrom_ctl_attr = {
 290         .attr = {
 291                 .name = "optrom_ctl",
 292                 .mode = S_IWUSR,
 293         },
 294         .size = 0,
 295         .write = qla2x00_sysfs_write_optrom_ctl,
 296 };
 297
 298 static ssize_t
 299 qla2x00_sysfs_read_vpd(struct kobject *kobj,
 300                        struct bin_attribute *bin_attr,
 301                        char *buf, loff_t off, size_t count)
 302 {
 303         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 304             struct device, kobj)));
 305         int           size = ha->vpd_size;
 306         char          *vpd_cache = ha->vpd;
 307
 308         if (!capable(CAP_SYS_ADMIN) || off > size || count == 0)
 309                 return 0;
 310         if (off + count > size) {
 311                 size -= off;
 312                 count = size;
 313         }
 314
 315         /* Read NVRAM data from cache. */
 316         memcpy(buf, &vpd_cache[off], count);
 317
 318         return count;
 319 }
 320
 321 static ssize_t
 322 qla2x00_sysfs_write_vpd(struct kobject *kobj,
 323                         struct bin_attribute *bin_attr,
 324                         char *buf, loff_t off, size_t count)
 325 {
 326         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 327             struct device, kobj)));
 328         unsigned long flags;
 329
 330         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size)
 331                 return 0;
 332
 333         /* Write NVRAM. */
 334         spin_lock_irqsave(&ha->hardware_lock, flags);
 335         ha->isp_ops->write_nvram(ha, (uint8_t *)buf, ha->vpd_base, count);
 336         ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd, ha->vpd_base, count);
 337         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 338
 339         return count;
 340 }
 341
 342 static struct bin_attribute sysfs_vpd_attr = {
 343         .attr = {
 344                 .name = "vpd",
 345                 .mode = S_IRUSR | S_IWUSR,
 346         },
 347         .size = 0,
 348         .read = qla2x00_sysfs_read_vpd,
 349         .write = qla2x00_sysfs_write_vpd,
 350 };
 351
 352 static ssize_t
 353 qla2x00_sysfs_read_sfp(struct kobject *kobj,
 354                        struct bin_attribute *bin_attr,
 355                        char *buf, loff_t off, size_t count)
 356 {
 357         struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
 358             struct device, kobj)));
 359         uint16_t iter, addr, offset;
 360         int rval;
 361
 362         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
 363                 return 0;
 364
 365         addr = 0xa0;
 366         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
 367             iter++, offset += SFP_BLOCK_SIZE) {
 368                 if (iter == 4) {
 369                         /* Skip to next device address. */
 370                         addr = 0xa2;
 371                         offset = 0;
 372                 }
 373
 374                 rval = qla2x00_read_sfp(ha, ha->sfp_data_dma, addr, offset,
 375                     SFP_BLOCK_SIZE);
 376                 if (rval != QLA_SUCCESS) {
 377                         qla_printk(KERN_WARNING, ha,
 378                             "Unable to read SFP data (%x/%x/%x).\n", rval,
 379                             addr, offset);
 380                         count = 0;
 381                         break;
 382                 }
 383                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 384                 buf += SFP_BLOCK_SIZE;
 385         }
 386
 387         return count;
 388 }
 389
 390 static struct bin_attribute sysfs_sfp_attr = {
 391         .attr = {
 392                 .name = "sfp",
 393                 .mode = S_IRUSR | S_IWUSR,
 394         },
 395         .size = SFP_DEV_SIZE * 2,
 396         .read = qla2x00_sysfs_read_sfp,
 397 };
 398
 399 static struct sysfs_entry {
 400         char *name;
 401         struct bin_attribute *attr;
 402         int is4GBp_only;
 403 } bin_file_entries[] = {
 404         { "fw_dump", &sysfs_fw_dump_attr, },
 405         { "nvram", &sysfs_nvram_attr, },
 406         { "optrom", &sysfs_optrom_attr, },
 407         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
 408         { "vpd", &sysfs_vpd_attr, 1 },
 409         { "sfp", &sysfs_sfp_attr, 1 },
 410         { NULL },
 411 };
 412
 413 void
 414 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
 415 {
 416         struct Scsi_Host *host = ha->host;
 417         struct sysfs_entry *iter;
 418         int ret;
 419
 420         for (iter = bin_file_entries; iter->name; iter++) {
 421                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
 422                         continue;
 423
 424                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
 425                     iter->attr);
 426                 if (ret)
 427                         qla_printk(KERN_INFO, ha,
 428                             "Unable to create sysfs %s binary attribute "
 429                             "(%d).\n", iter->name, ret);
 430         }
 431 }
 432
 433 void
 434 qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
 435 {
 436         struct Scsi_Host *host = ha->host;
 437         struct sysfs_entry *iter;
 438
 439         for (iter = bin_file_entries; iter->name; iter++) {
 440                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
 441                         continue;
 442
 443                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
 444                     iter->attr);
 445         }
 446
 447         if (ha->beacon_blink_led == 1)
 448                 ha->isp_ops->beacon_off(ha);
 449 }
 450
 451 /* Scsi_Host attributes. */
 452
 453 static ssize_t
 454 qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
 455 {
 456         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 457 }
 458
 459 static ssize_t
 460 qla2x00_fw_version_show(struct class_device *cdev, char *buf)
 461 {
 462         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 463         char fw_str[30];
 464
 465         return snprintf(buf, PAGE_SIZE, "%s\n",
 466             ha->isp_ops->fw_version_str(ha, fw_str));
 467 }
 468
 469 static ssize_t
 470 qla2x00_serial_num_show(struct class_device *cdev, char *buf)
 471 {
 472         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 473         uint32_t sn;
 474
 475         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 476         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 477             sn % 100000);
 478 }
 479
 480 static ssize_t
 481 qla2x00_isp_name_show(struct class_device *cdev, char *buf)
 482 {
 483         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 484         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
 485 }
 486
 487 static ssize_t
 488 qla2x00_isp_id_show(struct class_device *cdev, char *buf)
 489 {
 490         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 491         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 492             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 493             ha->product_id[3]);
 494 }
 495
 496 static ssize_t
 497 qla2x00_model_name_show(struct class_device *cdev, char *buf)
 498 {
 499         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 500         return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
 501 }
 502
 503 static ssize_t
 504 qla2x00_model_desc_show(struct class_device *cdev, char *buf)
 505 {
 506         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 507         return snprintf(buf, PAGE_SIZE, "%s\n",
 508             ha->model_desc ? ha->model_desc: "");
 509 }
 510
 511 static ssize_t
 512 qla2x00_pci_info_show(struct class_device *cdev, char *buf)
 513 {
 514         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 515         char pci_info[30];
 516
 517         return snprintf(buf, PAGE_SIZE, "%s\n",
 518             ha->isp_ops->pci_info_str(ha, pci_info));
 519 }
 520
 521 static ssize_t
 522 qla2x00_state_show(struct class_device *cdev, char *buf)
 523 {
 524         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 525         int len = 0;
 526
 527         if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
 528             atomic_read(&ha->loop_state) == LOOP_DEAD)
 529                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 530         else if (atomic_read(&ha->loop_state) != LOOP_READY ||
 531             test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
 532             test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
 533                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 534         else {
 535                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
 536
 537                 switch (ha->current_topology) {
 538                 case ISP_CFG_NL:
 539                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 540                         break;
 541                 case ISP_CFG_FL:
 542                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
 543                         break;
 544                 case ISP_CFG_N:
 545                         len += snprintf(buf + len, PAGE_SIZE-len,
 546                             "N_Port to N_Port\n");
 547                         break;
 548                 case ISP_CFG_F:
 549                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
 550                         break;
 551                 default:
 552                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 553                         break;
 554                 }
 555         }
 556         return len;
 557 }
 558
 559 static ssize_t
 560 qla2x00_zio_show(struct class_device *cdev, char *buf)
 561 {
 562         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 563         int len = 0;
 564
 565         switch (ha->zio_mode) {
 566         case QLA_ZIO_MODE_6:
 567                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
 568                 break;
 569         case QLA_ZIO_DISABLED:
 570                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 571                 break;
 572         }
 573         return len;
 574 }
 575
 576 static ssize_t
 577 qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count)
 578 {
 579         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 580         int val = 0;
 581         uint16_t zio_mode;
 582
 583         if (!IS_ZIO_SUPPORTED(ha))
 584                 return -ENOTSUPP;
 585
 586         if (sscanf(buf, "%d", &val) != 1)
 587                 return -EINVAL;
 588
 589         if (val)
 590                 zio_mode = QLA_ZIO_MODE_6;
 591         else
 592                 zio_mode = QLA_ZIO_DISABLED;
 593
 594         /* Update per-hba values and queue a reset. */
 595         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
 596                 ha->zio_mode = zio_mode;
 597                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 598         }
 599         return strlen(buf);
 600 }
 601
 602 static ssize_t
 603 qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
 604 {
 605         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 606
 607         return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
 608 }
 609
 610 static ssize_t
 611 qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
 612     size_t count)
 613 {
 614         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 615         int val = 0;
 616         uint16_t zio_timer;
 617
 618         if (sscanf(buf, "%d", &val) != 1)
 619                 return -EINVAL;
 620         if (val > 25500 || val < 100)
 621                 return -ERANGE;
 622
 623         zio_timer = (uint16_t)(val / 100);
 624         ha->zio_timer = zio_timer;
 625
 626         return strlen(buf);
 627 }
 628
 629 static ssize_t
 630 qla2x00_beacon_show(struct class_device *cdev, char *buf)
 631 {
 632         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 633         int len = 0;
 634
 635         if (ha->beacon_blink_led)
 636                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
 637         else
 638                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 639         return len;
 640 }
 641
 642 static ssize_t
 643 qla2x00_beacon_store(struct class_device *cdev, const char *buf,
 644     size_t count)
 645 {
 646         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 647         int val = 0;
 648         int rval;
 649
 650         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 651                 return -EPERM;
 652
 653         if (test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) {
 654                 qla_printk(KERN_WARNING, ha,
 655                     "Abort ISP active -- ignoring beacon request.\n");
 656                 return -EBUSY;
 657         }
 658
 659         if (sscanf(buf, "%d", &val) != 1)
 660                 return -EINVAL;
 661
 662         if (val)
 663                 rval = ha->isp_ops->beacon_on(ha);
 664         else
 665                 rval = ha->isp_ops->beacon_off(ha);
 666
 667         if (rval != QLA_SUCCESS)
 668                 count = 0;
 669
 670         return count;
 671 }
 672
 673 static ssize_t
 674 qla2x00_optrom_bios_version_show(struct class_device *cdev, char *buf)
 675 {
 676         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 677
 678         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
 679             ha->bios_revision[0]);
 680 }
 681
 682 static ssize_t
 683 qla2x00_optrom_efi_version_show(struct class_device *cdev, char *buf)
 684 {
 685         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 686
 687         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
 688             ha->efi_revision[0]);
 689 }
 690
 691 static ssize_t
 692 qla2x00_optrom_fcode_version_show(struct class_device *cdev, char *buf)
 693 {
 694         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 695
 696         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
 697             ha->fcode_revision[0]);
 698 }
 699
 700 static ssize_t
 701 qla2x00_optrom_fw_version_show(struct class_device *cdev, char *buf)
 702 {
 703         scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
 704
 705         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
 706             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
 707             ha->fw_revision[3]);
 708 }
 709
 710 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
 711         NULL);
 712 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
 713 static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
 714 static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
 715 static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
 716 static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
 717 static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
 718 static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
 719 static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
 720 static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
 721     qla2x00_zio_store);
 722 static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
 723     qla2x00_zio_timer_store);
 724 static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
 725     qla2x00_beacon_store);
 726 static CLASS_DEVICE_ATTR(optrom_bios_version, S_IRUGO,
 727     qla2x00_optrom_bios_version_show, NULL);
 728 static CLASS_DEVICE_ATTR(optrom_efi_version, S_IRUGO,
 729     qla2x00_optrom_efi_version_show, NULL);
 730 static CLASS_DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
 731     qla2x00_optrom_fcode_version_show, NULL);
 732 static CLASS_DEVICE_ATTR(optrom_fw_version, S_IRUGO,
 733     qla2x00_optrom_fw_version_show, NULL);
 734
 735 struct class_device_attribute *qla2x00_host_attrs[] = {
 736         &class_device_attr_driver_version,
 737         &class_device_attr_fw_version,
 738         &class_device_attr_serial_num,
 739         &class_device_attr_isp_name,
 740         &class_device_attr_isp_id,
 741         &class_device_attr_model_name,
 742         &class_device_attr_model_desc,
 743         &class_device_attr_pci_info,
 744         &class_device_attr_state,
 745         &class_device_attr_zio,
 746         &class_device_attr_zio_timer,
 747         &class_device_attr_beacon,
 748         &class_device_attr_optrom_bios_version,
 749         &class_device_attr_optrom_efi_version,
 750         &class_device_attr_optrom_fcode_version,
 751         &class_device_attr_optrom_fw_version,
 752         NULL,
 753 };
 754
 755 /* Host attributes. */
 756
 757 static void
 758 qla2x00_get_host_port_id(struct Scsi_Host *shost)
 759 {
 760         scsi_qla_host_t *ha = to_qla_host(shost);
 761
 762         fc_host_port_id(shost) = ha->d_id.b.domain << 16 |
 763             ha->d_id.b.area << 8 | ha->d_id.b.al_pa;
 764 }
 765
 766 static void
 767 qla2x00_get_host_speed(struct Scsi_Host *shost)
 768 {
 769         scsi_qla_host_t *ha = to_qla_host(shost);
 770         uint32_t speed = 0;
 771
 772         switch (ha->link_data_rate) {
 773         case PORT_SPEED_1GB:
 774                 speed = 1;
 775                 break;
 776         case PORT_SPEED_2GB:
 777                 speed = 2;
 778                 break;
 779         case PORT_SPEED_4GB:
 780                 speed = 4;
 781                 break;
 782         }
 783         fc_host_speed(shost) = speed;
 784 }
 785
 786 static void
 787 qla2x00_get_host_port_type(struct Scsi_Host *shost)
 788 {
 789         scsi_qla_host_t *ha = to_qla_host(shost);
 790         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
 791
 792         switch (ha->current_topology) {
 793         case ISP_CFG_NL:
 794                 port_type = FC_PORTTYPE_LPORT;
 795                 break;
 796         case ISP_CFG_FL:
 797                 port_type = FC_PORTTYPE_NLPORT;
 798                 break;
 799         case ISP_CFG_N:
 800                 port_type = FC_PORTTYPE_PTP;
 801                 break;
 802         case ISP_CFG_F:
 803                 port_type = FC_PORTTYPE_NPORT;
 804                 break;
 805         }
 806         fc_host_port_type(shost) = port_type;
 807 }
 808
 809 static void
 810 qla2x00_get_starget_node_name(struct scsi_target *starget)
 811 {
 812         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 813         scsi_qla_host_t *ha = to_qla_host(host);
 814         fc_port_t *fcport;
 815         u64 node_name = 0;
 816
 817         list_for_each_entry(fcport, &ha->fcports, list) {
 818                 if (starget->id == fcport->os_target_id) {
 819                         node_name = wwn_to_u64(fcport->node_name);
 820                         break;
 821                 }
 822         }
 823
 824         fc_starget_node_name(starget) = node_name;
 825 }
 826
 827 static void
 828 qla2x00_get_starget_port_name(struct scsi_target *starget)
 829 {
 830         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 831         scsi_qla_host_t *ha = to_qla_host(host);
 832         fc_port_t *fcport;
 833         u64 port_name = 0;
 834
 835         list_for_each_entry(fcport, &ha->fcports, list) {
 836                 if (starget->id == fcport->os_target_id) {
 837                         port_name = wwn_to_u64(fcport->port_name);
 838                         break;
 839                 }
 840         }
 841
 842         fc_starget_port_name(starget) = port_name;
 843 }
 844
 845 static void
 846 qla2x00_get_starget_port_id(struct scsi_target *starget)
 847 {
 848         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
 849         scsi_qla_host_t *ha = to_qla_host(host);
 850         fc_port_t *fcport;
 851         uint32_t port_id = ~0U;
 852
 853         list_for_each_entry(fcport, &ha->fcports, list) {
 854                 if (starget->id == fcport->os_target_id) {
 855                         port_id = fcport->d_id.b.domain << 16 |
 856                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
 857                         break;
 858                 }
 859         }
 860
 861         fc_starget_port_id(starget) = port_id;
 862 }
 863
 864 static void
 865 qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
 866 {
 867         struct Scsi_Host *host = rport_to_shost(rport);
 868         scsi_qla_host_t *ha = to_qla_host(host);
 869
 870         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 871 }
 872
 873 static void
 874 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 875 {
 876         struct Scsi_Host *host = rport_to_shost(rport);
 877         scsi_qla_host_t *ha = to_qla_host(host);
 878
 879         if (timeout)
 880                 ha->port_down_retry_count = timeout;
 881         else
 882                 ha->port_down_retry_count = 1;
 883
 884         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 885 }
 886
 887 static int
 888 qla2x00_issue_lip(struct Scsi_Host *shost)
 889 {
 890         scsi_qla_host_t *ha = to_qla_host(shost);
 891
 892         set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
 893         return 0;
 894 }
 895
 896 static struct fc_host_statistics *
 897 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
 898 {
 899         scsi_qla_host_t *ha = to_qla_host(shost);
 900         int rval;
 901         uint16_t mb_stat[1];
 902         link_stat_t stat_buf;
 903         struct fc_host_statistics *pfc_host_stat;
 904
 905         rval = QLA_FUNCTION_FAILED;
 906         pfc_host_stat = &ha->fc_host_stat;
 907         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
 908
 909         if (IS_FWI2_CAPABLE(ha)) {
 910                 rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
 911                     sizeof(stat_buf) / 4, mb_stat);
 912         } else if (atomic_read(&ha->loop_state) == LOOP_READY &&
 913                     !test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) &&
 914                     !test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) &&
 915                     !ha->dpc_active) {
 916                 /* Must be in a 'READY' state for statistics retrieval. */
 917                 rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
 918                     mb_stat);
 919         }
 920
 921         if (rval != QLA_SUCCESS)
 922                 goto done;
 923
 924         pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
 925         pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
 926         pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
 927         pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
 928         pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
 929         pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
 930 done:
 931         return pfc_host_stat;
 932 }
 933
 934 static void
 935 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
 936 {
 937         scsi_qla_host_t *ha = to_qla_host(shost);
 938
 939         qla2x00_get_sym_node_name(ha, fc_host_symbolic_name(shost));
 940 }
 941
 942 static void
 943 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
 944 {
 945         scsi_qla_host_t *ha = to_qla_host(shost);
 946
 947         set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
 948 }
 949
 950 static void
 951 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
 952 {
 953         scsi_qla_host_t *ha = to_qla_host(shost);
 954         u64 node_name;
 955
 956         if (ha->device_flags & SWITCH_FOUND)
 957                 node_name = wwn_to_u64(ha->fabric_node_name);
 958         else
 959                 node_name = wwn_to_u64(ha->node_name);
 960
 961         fc_host_fabric_name(shost) = node_name;
 962 }
 963
 964 static void
 965 qla2x00_get_host_port_state(struct Scsi_Host *shost)
 966 {
 967         scsi_qla_host_t *ha = to_qla_host(shost);
 968
 969         if (!ha->flags.online)
 970                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
 971         else if (atomic_read(&ha->loop_state) == LOOP_TIMEOUT)
 972                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
 973         else
 974                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
 975 }
 976
 977 static int
 978 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
 979 {
 980         int     ret = 0;
 981         scsi_qla_host_t *ha = (scsi_qla_host_t *) fc_vport->shost->hostdata;
 982         scsi_qla_host_t *vha;
 983
 984         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
 985         if (ret) {
 986                 DEBUG15(printk("qla24xx_vport_create_req_sanity_check failed, "
 987                     "status %x\n", ret));
 988                 return (ret);
 989         }
 990
 991         vha = qla24xx_create_vhost(fc_vport);
 992         if (vha == NULL) {
 993                 DEBUG15(printk ("qla24xx_create_vhost failed, vha = %p\n",
 994                     vha));
 995                 return FC_VPORT_FAILED;
 996         }
 997         if (disable) {
 998                 atomic_set(&vha->vp_state, VP_OFFLINE);
 999                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
1000         } else
1001                 atomic_set(&vha->vp_state, VP_FAILED);
1002
1003         /* ready to create vport */
1004         qla_printk(KERN_INFO, vha, "VP entry id %d assigned.\n", vha->vp_idx);
1005
1006         /* initialized vport states */
1007         atomic_set(&vha->loop_state, LOOP_DOWN);
1008         vha->vp_err_state=  VP_ERR_PORTDWN;
1009         vha->vp_prev_err_state=  VP_ERR_UNKWN;
1010         /* Check if physical ha port is Up */
1011         if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
1012             atomic_read(&ha->loop_state) == LOOP_DEAD) {
1013                 /* Don't retry or attempt login of this virtual port */
1014                 DEBUG15(printk ("scsi(%ld): pport loop_state is not UP.\n",
1015                     vha->host_no));
1016                 atomic_set(&vha->loop_state, LOOP_DEAD);
1017                 if (!disable)
1018                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
1019         }
1020
1021         if (scsi_add_host(vha->host, &fc_vport->dev)) {
1022                 DEBUG15(printk("scsi(%ld): scsi_add_host failure for VP[%d].\n",
1023                         vha->host_no, vha->vp_idx));
1024                 goto vport_create_failed_2;
1025         }
1026
1027         /* initialize attributes */
1028         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1029         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1030         fc_host_supported_classes(vha->host) =
1031                 fc_host_supported_classes(ha->host);
1032         fc_host_supported_speeds(vha->host) =
1033                 fc_host_supported_speeds(ha->host);
1034
1035         qla24xx_vport_disable(fc_vport, disable);
1036
1037         return 0;
1038 vport_create_failed_2:
1039         qla24xx_disable_vp(vha);
1040         qla24xx_deallocate_vp_id(vha);
1041         kfree(vha->port_name);
1042         kfree(vha->node_name);
1043         scsi_host_put(vha->host);
1044         return FC_VPORT_FAILED;
1045 }
1046
1047 int
1048 qla24xx_vport_delete(struct fc_vport *fc_vport)
1049 {
1050         scsi_qla_host_t *ha = (scsi_qla_host_t *) fc_vport->shost->hostdata;
1051         scsi_qla_host_t *vha = fc_vport->dd_data;
1052
1053         qla24xx_disable_vp(vha);
1054         qla24xx_deallocate_vp_id(vha);
1055
1056         down(&ha->vport_sem);
1057         ha->cur_vport_count--;
1058         clear_bit(vha->vp_idx, (unsigned long *)ha->vp_idx_map);
1059         up(&ha->vport_sem);
1060
1061         kfree(vha->node_name);
1062         kfree(vha->port_name);
1063
1064         if (vha->timer_active) {
1065                 qla2x00_vp_stop_timer(vha);
1066                 DEBUG15(printk ("scsi(%ld): timer for the vport[%d] = %p "
1067                     "has stopped\n",
1068                     vha->host_no, vha->vp_idx, vha));
1069         }
1070
1071         fc_remove_host(vha->host);
1072
1073         scsi_remove_host(vha->host);
1074
1075         scsi_host_put(vha->host);
1076
1077         return 0;
1078 }
1079
1080 int
1081 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
1082 {
1083         scsi_qla_host_t *vha = fc_vport->dd_data;
1084
1085         if (disable)
1086                 qla24xx_disable_vp(vha);
1087         else
1088                 qla24xx_enable_vp(vha);
1089
1090         return 0;
1091 }
1092
1093 struct fc_function_template qla2xxx_transport_functions = {
1094
1095         .show_host_node_name = 1,
1096         .show_host_port_name = 1,
1097         .show_host_supported_classes = 1,
1098
1099         .get_host_port_id = qla2x00_get_host_port_id,
1100         .show_host_port_id = 1,
1101         .get_host_speed = qla2x00_get_host_speed,
1102         .show_host_speed = 1,
1103         .get_host_port_type = qla2x00_get_host_port_type,
1104         .show_host_port_type = 1,
1105         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
1106         .show_host_symbolic_name = 1,
1107         .set_host_system_hostname = qla2x00_set_host_system_hostname,
1108         .show_host_system_hostname = 1,
1109         .get_host_fabric_name = qla2x00_get_host_fabric_name,
1110         .show_host_fabric_name = 1,
1111         .get_host_port_state = qla2x00_get_host_port_state,
1112         .show_host_port_state = 1,
1113
1114         .dd_fcrport_size = sizeof(struct fc_port *),
1115         .show_rport_supported_classes = 1,
1116
1117         .get_starget_node_name = qla2x00_get_starget_node_name,
1118         .show_starget_node_name = 1,
1119         .get_starget_port_name = qla2x00_get_starget_port_name,
1120         .show_starget_port_name = 1,
1121         .get_starget_port_id  = qla2x00_get_starget_port_id,
1122         .show_starget_port_id = 1,
1123
1124         .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
1125         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
1126         .show_rport_dev_loss_tmo = 1,
1127
1128         .issue_fc_host_lip = qla2x00_issue_lip,
1129         .get_fc_host_stats = qla2x00_get_fc_host_stats,
1130
1131         .vport_create = qla24xx_vport_create,
1132         .vport_disable = qla24xx_vport_disable,
1133         .vport_delete = qla24xx_vport_delete,
1134 };
1135
1136 struct fc_function_template qla2xxx_transport_vport_functions = {
1137
1138         .show_host_node_name = 1,
1139         .show_host_port_name = 1,
1140         .show_host_supported_classes = 1,
1141
1142         .get_host_port_id = qla2x00_get_host_port_id,
1143         .show_host_port_id = 1,
1144         .get_host_speed = qla2x00_get_host_speed,
1145         .show_host_speed = 1,
1146         .get_host_port_type = qla2x00_get_host_port_type,
1147         .show_host_port_type = 1,
1148         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
1149         .show_host_symbolic_name = 1,
1150         .set_host_system_hostname = qla2x00_set_host_system_hostname,
1151         .show_host_system_hostname = 1,
1152         .get_host_fabric_name = qla2x00_get_host_fabric_name,
1153         .show_host_fabric_name = 1,
1154         .get_host_port_state = qla2x00_get_host_port_state,
1155         .show_host_port_state = 1,
1156
1157         .dd_fcrport_size = sizeof(struct fc_port *),
1158         .show_rport_supported_classes = 1,
1159
1160         .get_starget_node_name = qla2x00_get_starget_node_name,
1161         .show_starget_node_name = 1,
1162         .get_starget_port_name = qla2x00_get_starget_port_name,
1163         .show_starget_port_name = 1,
1164         .get_starget_port_id  = qla2x00_get_starget_port_id,
1165         .show_starget_port_id = 1,
1166
1167         .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
1168         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
1169         .show_rport_dev_loss_tmo = 1,
1170
1171         .issue_fc_host_lip = qla2x00_issue_lip,
1172         .get_fc_host_stats = qla2x00_get_fc_host_stats,
1173 };
1174
1175 void
1176 qla2x00_init_host_attr(scsi_qla_host_t *ha)
1177 {
1178         fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
1179         fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
1180         fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
1181         fc_host_max_npiv_vports(ha->host) = MAX_NUM_VPORT_FABRIC;
1182         fc_host_npiv_vports_inuse(ha->host) = ha->cur_vport_count;
1183 }