drivers/scsi/qla2xxx/qla_attr.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2008 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 #include <linux/delay.h>
  12
  13 static int qla24xx_vport_disable(struct fc_vport *, bool);
  14
  15 /* SYSFS attributes --------------------------------------------------------- */
  16
  17 static ssize_t
  18 qla2x00_sysfs_read_fw_dump(struct kobject *kobj,
  19                            struct bin_attribute *bin_attr,
  20                            char *buf, loff_t off, size_t count)
  21 {
  22         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
  23             struct device, kobj)));
  24         struct qla_hw_data *ha = vha->hw;
  25
  26         if (ha->fw_dump_reading == 0)
  27                 return 0;
  28
  29         return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
  30                                         ha->fw_dump_len);
  31 }
  32
  33 static ssize_t
  34 qla2x00_sysfs_write_fw_dump(struct kobject *kobj,
  35                             struct bin_attribute *bin_attr,
  36                             char *buf, loff_t off, size_t count)
  37 {
  38         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
  39             struct device, kobj)));
  40         struct qla_hw_data *ha = vha->hw;
  41         int reading;
  42
  43         if (off != 0)
  44                 return (0);
  45
  46         reading = simple_strtol(buf, NULL, 10);
  47         switch (reading) {
  48         case 0:
  49                 if (!ha->fw_dump_reading)
  50                         break;
  51
  52                 qla_printk(KERN_INFO, ha,
  53                     "Firmware dump cleared on (%ld).\n", vha->host_no);
  54
  55                 ha->fw_dump_reading = 0;
  56                 ha->fw_dumped = 0;
  57                 break;
  58         case 1:
  59                 if (ha->fw_dumped && !ha->fw_dump_reading) {
  60                         ha->fw_dump_reading = 1;
  61
  62                         qla_printk(KERN_INFO, ha,
  63                             "Raw firmware dump ready for read on (%ld).\n",
  64                             vha->host_no);
  65                 }
  66                 break;
  67         case 2:
  68                 qla2x00_alloc_fw_dump(vha);
  69                 break;
  70         case 3:
  71                 qla2x00_system_error(vha);
  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 *vha = shost_priv(dev_to_shost(container_of(kobj,
  93             struct device, kobj)));
  94         struct qla_hw_data *ha = vha->hw;
  95
  96         if (!capable(CAP_SYS_ADMIN))
  97                 return 0;
  98
  99         if (IS_NOCACHE_VPD_TYPE(ha))
 100                 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_nvram << 2,
 101                     ha->nvram_size);
 102         return memory_read_from_buffer(buf, count, &off, ha->nvram,
 103                                         ha->nvram_size);
 104 }
 105
 106 static ssize_t
 107 qla2x00_sysfs_write_nvram(struct kobject *kobj,
 108                           struct bin_attribute *bin_attr,
 109                           char *buf, loff_t off, size_t count)
 110 {
 111         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 112             struct device, kobj)));
 113         struct qla_hw_data *ha = vha->hw;
 114         uint16_t        cnt;
 115
 116         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
 117             !ha->isp_ops->write_nvram)
 118                 return 0;
 119
 120         /* Checksum NVRAM. */
 121         if (IS_FWI2_CAPABLE(ha)) {
 122                 uint32_t *iter;
 123                 uint32_t chksum;
 124
 125                 iter = (uint32_t *)buf;
 126                 chksum = 0;
 127                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
 128                         chksum += le32_to_cpu(*iter++);
 129                 chksum = ~chksum + 1;
 130                 *iter = cpu_to_le32(chksum);
 131         } else {
 132                 uint8_t *iter;
 133                 uint8_t chksum;
 134
 135                 iter = (uint8_t *)buf;
 136                 chksum = 0;
 137                 for (cnt = 0; cnt < count - 1; cnt++)
 138                         chksum += *iter++;
 139                 chksum = ~chksum + 1;
 140                 *iter = chksum;
 141         }
 142
 143         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 144                 qla_printk(KERN_WARNING, ha,
 145                     "HBA not online, failing NVRAM update.\n");
 146                 return -EAGAIN;
 147         }
 148
 149         /* Write NVRAM. */
 150         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
 151         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
 152             count);
 153
 154         /* NVRAM settings take effect immediately. */
 155         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 156         qla2xxx_wake_dpc(vha);
 157         qla2x00_wait_for_chip_reset(vha);
 158
 159         return (count);
 160 }
 161
 162 static struct bin_attribute sysfs_nvram_attr = {
 163         .attr = {
 164                 .name = "nvram",
 165                 .mode = S_IRUSR | S_IWUSR,
 166         },
 167         .size = 512,
 168         .read = qla2x00_sysfs_read_nvram,
 169         .write = qla2x00_sysfs_write_nvram,
 170 };
 171
 172 static ssize_t
 173 qla2x00_sysfs_read_optrom(struct kobject *kobj,
 174                           struct bin_attribute *bin_attr,
 175                           char *buf, loff_t off, size_t count)
 176 {
 177         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 178             struct device, kobj)));
 179         struct qla_hw_data *ha = vha->hw;
 180
 181         if (ha->optrom_state != QLA_SREADING)
 182                 return 0;
 183
 184         return memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
 185                                         ha->optrom_region_size);
 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 *vha = shost_priv(dev_to_shost(container_of(kobj,
 194             struct device, kobj)));
 195         struct qla_hw_data *ha = vha->hw;
 196
 197         if (ha->optrom_state != QLA_SWRITING)
 198                 return -EINVAL;
 199         if (off > ha->optrom_region_size)
 200                 return -ERANGE;
 201         if (off + count > ha->optrom_region_size)
 202                 count = ha->optrom_region_size - off;
 203
 204         memcpy(&ha->optrom_buffer[off], buf, count);
 205
 206         return count;
 207 }
 208
 209 static struct bin_attribute sysfs_optrom_attr = {
 210         .attr = {
 211                 .name = "optrom",
 212                 .mode = S_IRUSR | S_IWUSR,
 213         },
 214         .size = 0,
 215         .read = qla2x00_sysfs_read_optrom,
 216         .write = qla2x00_sysfs_write_optrom,
 217 };
 218
 219 static ssize_t
 220 qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
 221                                struct bin_attribute *bin_attr,
 222                                char *buf, loff_t off, size_t count)
 223 {
 224         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 225             struct device, kobj)));
 226         struct qla_hw_data *ha = vha->hw;
 227
 228         uint32_t start = 0;
 229         uint32_t size = ha->optrom_size;
 230         int val, valid;
 231
 232         if (off)
 233                 return 0;
 234
 235         if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
 236                 return -EINVAL;
 237         if (start > ha->optrom_size)
 238                 return -EINVAL;
 239
 240         switch (val) {
 241         case 0:
 242                 if (ha->optrom_state != QLA_SREADING &&
 243                     ha->optrom_state != QLA_SWRITING)
 244                         break;
 245
 246                 ha->optrom_state = QLA_SWAITING;
 247
 248                 DEBUG2(qla_printk(KERN_INFO, ha,
 249                     "Freeing flash region allocation -- 0x%x bytes.\n",
 250                     ha->optrom_region_size));
 251
 252                 vfree(ha->optrom_buffer);
 253                 ha->optrom_buffer = NULL;
 254                 break;
 255         case 1:
 256                 if (ha->optrom_state != QLA_SWAITING)
 257                         break;
 258
 259                 ha->optrom_region_start = start;
 260                 ha->optrom_region_size = start + size > ha->optrom_size ?
 261                     ha->optrom_size - start : size;
 262
 263                 ha->optrom_state = QLA_SREADING;
 264                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
 265                 if (ha->optrom_buffer == NULL) {
 266                         qla_printk(KERN_WARNING, ha,
 267                             "Unable to allocate memory for optrom retrieval "
 268                             "(%x).\n", ha->optrom_region_size);
 269
 270                         ha->optrom_state = QLA_SWAITING;
 271                         return count;
 272                 }
 273
 274                 DEBUG2(qla_printk(KERN_INFO, ha,
 275                     "Reading flash region -- 0x%x/0x%x.\n",
 276                     ha->optrom_region_start, ha->optrom_region_size));
 277
 278                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
 279                 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
 280                     ha->optrom_region_start, ha->optrom_region_size);
 281                 break;
 282         case 2:
 283                 if (ha->optrom_state != QLA_SWAITING)
 284                         break;
 285
 286                 /*
 287                  * We need to be more restrictive on which FLASH regions are
 288                  * allowed to be updated via user-space.  Regions accessible
 289                  * via this method include:
 290                  *
 291                  * ISP21xx/ISP22xx/ISP23xx type boards:
 292                  *
 293                  *      0x000000 -> 0x020000 -- Boot code.
 294                  *
 295                  * ISP2322/ISP24xx type boards:
 296                  *
 297                  *      0x000000 -> 0x07ffff -- Boot code.
 298                  *      0x080000 -> 0x0fffff -- Firmware.
 299                  *
 300                  * ISP25xx type boards:
 301                  *
 302                  *      0x000000 -> 0x07ffff -- Boot code.
 303                  *      0x080000 -> 0x0fffff -- Firmware.
 304                  *      0x120000 -> 0x12ffff -- VPD and HBA parameters.
 305                  */
 306                 valid = 0;
 307                 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
 308                         valid = 1;
 309                 else if (start == (ha->flt_region_boot * 4) ||
 310                     start == (ha->flt_region_fw * 4))
 311                         valid = 1;
 312                 else if (IS_QLA25XX(ha) || IS_QLA81XX(ha))
 313                     valid = 1;
 314                 if (!valid) {
 315                         qla_printk(KERN_WARNING, ha,
 316                             "Invalid start region 0x%x/0x%x.\n", start, size);
 317                         return -EINVAL;
 318                 }
 319
 320                 ha->optrom_region_start = start;
 321                 ha->optrom_region_size = start + size > ha->optrom_size ?
 322                     ha->optrom_size - start : size;
 323
 324                 ha->optrom_state = QLA_SWRITING;
 325                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
 326                 if (ha->optrom_buffer == NULL) {
 327                         qla_printk(KERN_WARNING, ha,
 328                             "Unable to allocate memory for optrom update "
 329                             "(%x).\n", ha->optrom_region_size);
 330
 331                         ha->optrom_state = QLA_SWAITING;
 332                         return count;
 333                 }
 334
 335                 DEBUG2(qla_printk(KERN_INFO, ha,
 336                     "Staging flash region write -- 0x%x/0x%x.\n",
 337                     ha->optrom_region_start, ha->optrom_region_size));
 338
 339                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
 340                 break;
 341         case 3:
 342                 if (ha->optrom_state != QLA_SWRITING)
 343                         break;
 344
 345                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 346                         qla_printk(KERN_WARNING, ha,
 347                             "HBA not online, failing flash update.\n");
 348                         return -EAGAIN;
 349                 }
 350
 351                 DEBUG2(qla_printk(KERN_INFO, ha,
 352                     "Writing flash region -- 0x%x/0x%x.\n",
 353                     ha->optrom_region_start, ha->optrom_region_size));
 354
 355                 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
 356                     ha->optrom_region_start, ha->optrom_region_size);
 357                 break;
 358         default:
 359                 count = -EINVAL;
 360         }
 361         return count;
 362 }
 363
 364 static struct bin_attribute sysfs_optrom_ctl_attr = {
 365         .attr = {
 366                 .name = "optrom_ctl",
 367                 .mode = S_IWUSR,
 368         },
 369         .size = 0,
 370         .write = qla2x00_sysfs_write_optrom_ctl,
 371 };
 372
 373 static ssize_t
 374 qla2x00_sysfs_read_vpd(struct kobject *kobj,
 375                        struct bin_attribute *bin_attr,
 376                        char *buf, loff_t off, size_t count)
 377 {
 378         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 379             struct device, kobj)));
 380         struct qla_hw_data *ha = vha->hw;
 381
 382         if (!capable(CAP_SYS_ADMIN))
 383                 return 0;
 384
 385         if (IS_NOCACHE_VPD_TYPE(ha))
 386                 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
 387                     ha->vpd_size);
 388         return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
 389 }
 390
 391 static ssize_t
 392 qla2x00_sysfs_write_vpd(struct kobject *kobj,
 393                         struct bin_attribute *bin_attr,
 394                         char *buf, loff_t off, size_t count)
 395 {
 396         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 397             struct device, kobj)));
 398         struct qla_hw_data *ha = vha->hw;
 399         uint8_t *tmp_data;
 400
 401         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
 402             !ha->isp_ops->write_nvram)
 403                 return 0;
 404
 405         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 406                 qla_printk(KERN_WARNING, ha,
 407                     "HBA not online, failing VPD update.\n");
 408                 return -EAGAIN;
 409         }
 410
 411         /* Write NVRAM. */
 412         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
 413         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
 414
 415         /* Update flash version information for 4Gb & above. */
 416         if (!IS_FWI2_CAPABLE(ha))
 417                 goto done;
 418
 419         tmp_data = vmalloc(256);
 420         if (!tmp_data) {
 421                 qla_printk(KERN_WARNING, ha,
 422                     "Unable to allocate memory for VPD information update.\n");
 423                 goto done;
 424         }
 425         ha->isp_ops->get_flash_version(vha, tmp_data);
 426         vfree(tmp_data);
 427 done:
 428         return count;
 429 }
 430
 431 static struct bin_attribute sysfs_vpd_attr = {
 432         .attr = {
 433                 .name = "vpd",
 434                 .mode = S_IRUSR | S_IWUSR,
 435         },
 436         .size = 0,
 437         .read = qla2x00_sysfs_read_vpd,
 438         .write = qla2x00_sysfs_write_vpd,
 439 };
 440
 441 static ssize_t
 442 qla2x00_sysfs_read_sfp(struct kobject *kobj,
 443                        struct bin_attribute *bin_attr,
 444                        char *buf, loff_t off, size_t count)
 445 {
 446         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 447             struct device, kobj)));
 448         struct qla_hw_data *ha = vha->hw;
 449         uint16_t iter, addr, offset;
 450         int rval;
 451
 452         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
 453                 return 0;
 454
 455         if (ha->sfp_data)
 456                 goto do_read;
 457
 458         ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
 459             &ha->sfp_data_dma);
 460         if (!ha->sfp_data) {
 461                 qla_printk(KERN_WARNING, ha,
 462                     "Unable to allocate memory for SFP read-data.\n");
 463                 return 0;
 464         }
 465
 466 do_read:
 467         memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
 468         addr = 0xa0;
 469         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
 470             iter++, offset += SFP_BLOCK_SIZE) {
 471                 if (iter == 4) {
 472                         /* Skip to next device address. */
 473                         addr = 0xa2;
 474                         offset = 0;
 475                 }
 476
 477                 rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, addr, offset,
 478                     SFP_BLOCK_SIZE);
 479                 if (rval != QLA_SUCCESS) {
 480                         qla_printk(KERN_WARNING, ha,
 481                             "Unable to read SFP data (%x/%x/%x).\n", rval,
 482                             addr, offset);
 483                         count = 0;
 484                         break;
 485                 }
 486                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 487                 buf += SFP_BLOCK_SIZE;
 488         }
 489
 490         return count;
 491 }
 492
 493 static struct bin_attribute sysfs_sfp_attr = {
 494         .attr = {
 495                 .name = "sfp",
 496                 .mode = S_IRUSR | S_IWUSR,
 497         },
 498         .size = SFP_DEV_SIZE * 2,
 499         .read = qla2x00_sysfs_read_sfp,
 500 };
 501
 502 static ssize_t
 503 qla2x00_sysfs_write_reset(struct kobject *kobj,
 504                         struct bin_attribute *bin_attr,
 505                         char *buf, loff_t off, size_t count)
 506 {
 507         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 508             struct device, kobj)));
 509         struct qla_hw_data *ha = vha->hw;
 510         int type;
 511
 512         if (off != 0)
 513                 return 0;
 514
 515         type = simple_strtol(buf, NULL, 10);
 516         switch (type) {
 517         case 0x2025c:
 518                 qla_printk(KERN_INFO, ha,
 519                     "Issuing ISP reset on (%ld).\n", vha->host_no);
 520
 521                 scsi_block_requests(vha->host);
 522                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 523                 qla2xxx_wake_dpc(vha);
 524                 qla2x00_wait_for_chip_reset(vha);
 525                 scsi_unblock_requests(vha->host);
 526                 break;
 527         case 0x2025d:
 528                 if (!IS_QLA81XX(ha))
 529                         break;
 530
 531                 qla_printk(KERN_INFO, ha,
 532                     "Issuing MPI reset on (%ld).\n", vha->host_no);
 533
 534                 /* Make sure FC side is not in reset */
 535                 qla2x00_wait_for_hba_online(vha);
 536
 537                 /* Issue MPI reset */
 538                 scsi_block_requests(vha->host);
 539                 if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
 540                         qla_printk(KERN_WARNING, ha,
 541                             "MPI reset failed on (%ld).\n", vha->host_no);
 542                 scsi_unblock_requests(vha->host);
 543                 break;
 544         }
 545         return count;
 546 }
 547
 548 static struct bin_attribute sysfs_reset_attr = {
 549         .attr = {
 550                 .name = "reset",
 551                 .mode = S_IWUSR,
 552         },
 553         .size = 0,
 554         .write = qla2x00_sysfs_write_reset,
 555 };
 556
 557 static ssize_t
 558 qla2x00_sysfs_write_edc(struct kobject *kobj,
 559                         struct bin_attribute *bin_attr,
 560                         char *buf, loff_t off, size_t count)
 561 {
 562         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 563             struct device, kobj)));
 564         struct qla_hw_data *ha = vha->hw;
 565         uint16_t dev, adr, opt, len;
 566         int rval;
 567
 568         ha->edc_data_len = 0;
 569
 570         if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8)
 571                 return 0;
 572
 573         if (!ha->edc_data) {
 574                 ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
 575                     &ha->edc_data_dma);
 576                 if (!ha->edc_data) {
 577                         DEBUG2(qla_printk(KERN_INFO, ha,
 578                             "Unable to allocate memory for EDC write.\n"));
 579                         return 0;
 580                 }
 581         }
 582
 583         dev = le16_to_cpup((void *)&buf[0]);
 584         adr = le16_to_cpup((void *)&buf[2]);
 585         opt = le16_to_cpup((void *)&buf[4]);
 586         len = le16_to_cpup((void *)&buf[6]);
 587
 588         if (!(opt & BIT_0))
 589                 if (len == 0 || len > DMA_POOL_SIZE || len > count - 8)
 590                         return -EINVAL;
 591
 592         memcpy(ha->edc_data, &buf[8], len);
 593
 594         rval = qla2x00_write_edc(vha, dev, adr, ha->edc_data_dma,
 595             ha->edc_data, len, opt);
 596         if (rval != QLA_SUCCESS) {
 597                 DEBUG2(qla_printk(KERN_INFO, ha,
 598                     "Unable to write EDC (%x) %02x:%02x:%04x:%02x:%02x.\n",
 599                     rval, dev, adr, opt, len, *buf));
 600                 return 0;
 601         }
 602
 603         return count;
 604 }
 605
 606 static struct bin_attribute sysfs_edc_attr = {
 607         .attr = {
 608                 .name = "edc",
 609                 .mode = S_IWUSR,
 610         },
 611         .size = 0,
 612         .write = qla2x00_sysfs_write_edc,
 613 };
 614
 615 static ssize_t
 616 qla2x00_sysfs_write_edc_status(struct kobject *kobj,
 617                         struct bin_attribute *bin_attr,
 618                         char *buf, loff_t off, size_t count)
 619 {
 620         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 621             struct device, kobj)));
 622         struct qla_hw_data *ha = vha->hw;
 623         uint16_t dev, adr, opt, len;
 624         int rval;
 625
 626         ha->edc_data_len = 0;
 627
 628         if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8)
 629                 return 0;
 630
 631         if (!ha->edc_data) {
 632                 ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
 633                     &ha->edc_data_dma);
 634                 if (!ha->edc_data) {
 635                         DEBUG2(qla_printk(KERN_INFO, ha,
 636                             "Unable to allocate memory for EDC status.\n"));
 637                         return 0;
 638                 }
 639         }
 640
 641         dev = le16_to_cpup((void *)&buf[0]);
 642         adr = le16_to_cpup((void *)&buf[2]);
 643         opt = le16_to_cpup((void *)&buf[4]);
 644         len = le16_to_cpup((void *)&buf[6]);
 645
 646         if (!(opt & BIT_0))
 647                 if (len == 0 || len > DMA_POOL_SIZE)
 648                         return -EINVAL;
 649
 650         memset(ha->edc_data, 0, len);
 651         rval = qla2x00_read_edc(vha, dev, adr, ha->edc_data_dma,
 652             ha->edc_data, len, opt);
 653         if (rval != QLA_SUCCESS) {
 654                 DEBUG2(qla_printk(KERN_INFO, ha,
 655                     "Unable to write EDC status (%x) %02x:%02x:%04x:%02x.\n",
 656                     rval, dev, adr, opt, len));
 657                 return 0;
 658         }
 659
 660         ha->edc_data_len = len;
 661
 662         return count;
 663 }
 664
 665 static ssize_t
 666 qla2x00_sysfs_read_edc_status(struct kobject *kobj,
 667                            struct bin_attribute *bin_attr,
 668                            char *buf, loff_t off, size_t count)
 669 {
 670         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 671             struct device, kobj)));
 672         struct qla_hw_data *ha = vha->hw;
 673
 674         if (!capable(CAP_SYS_ADMIN) || off != 0 || count == 0)
 675                 return 0;
 676
 677         if (!ha->edc_data || ha->edc_data_len == 0 || ha->edc_data_len > count)
 678                 return -EINVAL;
 679
 680         memcpy(buf, ha->edc_data, ha->edc_data_len);
 681
 682         return ha->edc_data_len;
 683 }
 684
 685 static struct bin_attribute sysfs_edc_status_attr = {
 686         .attr = {
 687                 .name = "edc_status",
 688                 .mode = S_IRUSR | S_IWUSR,
 689         },
 690         .size = 0,
 691         .write = qla2x00_sysfs_write_edc_status,
 692         .read = qla2x00_sysfs_read_edc_status,
 693 };
 694
 695 static struct sysfs_entry {
 696         char *name;
 697         struct bin_attribute *attr;
 698         int is4GBp_only;
 699 } bin_file_entries[] = {
 700         { "fw_dump", &sysfs_fw_dump_attr, },
 701         { "nvram", &sysfs_nvram_attr, },
 702         { "optrom", &sysfs_optrom_attr, },
 703         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
 704         { "vpd", &sysfs_vpd_attr, 1 },
 705         { "sfp", &sysfs_sfp_attr, 1 },
 706         { "reset", &sysfs_reset_attr, },
 707         { "edc", &sysfs_edc_attr, 2 },
 708         { "edc_status", &sysfs_edc_status_attr, 2 },
 709         { NULL },
 710 };
 711
 712 void
 713 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
 714 {
 715         struct Scsi_Host *host = vha->host;
 716         struct sysfs_entry *iter;
 717         int ret;
 718
 719         for (iter = bin_file_entries; iter->name; iter++) {
 720                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
 721                         continue;
 722                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
 723                         continue;
 724
 725                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
 726                     iter->attr);
 727                 if (ret)
 728                         qla_printk(KERN_INFO, vha->hw,
 729                             "Unable to create sysfs %s binary attribute "
 730                             "(%d).\n", iter->name, ret);
 731         }
 732 }
 733
 734 void
 735 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
 736 {
 737         struct Scsi_Host *host = vha->host;
 738         struct sysfs_entry *iter;
 739         struct qla_hw_data *ha = vha->hw;
 740
 741         for (iter = bin_file_entries; iter->name; iter++) {
 742                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
 743                         continue;
 744                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
 745                         continue;
 746
 747                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
 748                     iter->attr);
 749         }
 750
 751         if (ha->beacon_blink_led == 1)
 752                 ha->isp_ops->beacon_off(vha);
 753 }
 754
 755 /* Scsi_Host attributes. */
 756
 757 static ssize_t
 758 qla2x00_drvr_version_show(struct device *dev,
 759                           struct device_attribute *attr, char *buf)
 760 {
 761         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 762 }
 763
 764 static ssize_t
 765 qla2x00_fw_version_show(struct device *dev,
 766                         struct device_attribute *attr, char *buf)
 767 {
 768         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 769         struct qla_hw_data *ha = vha->hw;
 770         char fw_str[128];
 771
 772         return snprintf(buf, PAGE_SIZE, "%s\n",
 773             ha->isp_ops->fw_version_str(vha, fw_str));
 774 }
 775
 776 static ssize_t
 777 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
 778                         char *buf)
 779 {
 780         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 781         struct qla_hw_data *ha = vha->hw;
 782         uint32_t sn;
 783
 784         if (IS_FWI2_CAPABLE(ha)) {
 785                 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE);
 786                 return snprintf(buf, PAGE_SIZE, "%s\n", buf);
 787         }
 788
 789         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 790         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 791             sn % 100000);
 792 }
 793
 794 static ssize_t
 795 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
 796                       char *buf)
 797 {
 798         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 799         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
 800 }
 801
 802 static ssize_t
 803 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
 804                     char *buf)
 805 {
 806         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 807         struct qla_hw_data *ha = vha->hw;
 808         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 809             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 810             ha->product_id[3]);
 811 }
 812
 813 static ssize_t
 814 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
 815                         char *buf)
 816 {
 817         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 818         return snprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
 819 }
 820
 821 static ssize_t
 822 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
 823                         char *buf)
 824 {
 825         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 826         return snprintf(buf, PAGE_SIZE, "%s\n",
 827             vha->hw->model_desc ? vha->hw->model_desc : "");
 828 }
 829
 830 static ssize_t
 831 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
 832                       char *buf)
 833 {
 834         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 835         char pci_info[30];
 836
 837         return snprintf(buf, PAGE_SIZE, "%s\n",
 838             vha->hw->isp_ops->pci_info_str(vha, pci_info));
 839 }
 840
 841 static ssize_t
 842 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
 843                         char *buf)
 844 {
 845         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 846         struct qla_hw_data *ha = vha->hw;
 847         int len = 0;
 848
 849         if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
 850             atomic_read(&vha->loop_state) == LOOP_DEAD)
 851                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 852         else if (atomic_read(&vha->loop_state) != LOOP_READY ||
 853             test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
 854             test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
 855                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 856         else {
 857                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
 858
 859                 switch (ha->current_topology) {
 860                 case ISP_CFG_NL:
 861                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 862                         break;
 863                 case ISP_CFG_FL:
 864                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
 865                         break;
 866                 case ISP_CFG_N:
 867                         len += snprintf(buf + len, PAGE_SIZE-len,
 868                             "N_Port to N_Port\n");
 869                         break;
 870                 case ISP_CFG_F:
 871                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
 872                         break;
 873                 default:
 874                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 875                         break;
 876                 }
 877         }
 878         return len;
 879 }
 880
 881 static ssize_t
 882 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
 883                  char *buf)
 884 {
 885         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 886         int len = 0;
 887
 888         switch (vha->hw->zio_mode) {
 889         case QLA_ZIO_MODE_6:
 890                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
 891                 break;
 892         case QLA_ZIO_DISABLED:
 893                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 894                 break;
 895         }
 896         return len;
 897 }
 898
 899 static ssize_t
 900 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
 901                   const char *buf, size_t count)
 902 {
 903         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 904         struct qla_hw_data *ha = vha->hw;
 905         int val = 0;
 906         uint16_t zio_mode;
 907
 908         if (!IS_ZIO_SUPPORTED(ha))
 909                 return -ENOTSUPP;
 910
 911         if (sscanf(buf, "%d", &val) != 1)
 912                 return -EINVAL;
 913
 914         if (val)
 915                 zio_mode = QLA_ZIO_MODE_6;
 916         else
 917                 zio_mode = QLA_ZIO_DISABLED;
 918
 919         /* Update per-hba values and queue a reset. */
 920         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
 921                 ha->zio_mode = zio_mode;
 922                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 923         }
 924         return strlen(buf);
 925 }
 926
 927 static ssize_t
 928 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
 929                        char *buf)
 930 {
 931         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 932
 933         return snprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
 934 }
 935
 936 static ssize_t
 937 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
 938                         const char *buf, size_t count)
 939 {
 940         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 941         int val = 0;
 942         uint16_t zio_timer;
 943
 944         if (sscanf(buf, "%d", &val) != 1)
 945                 return -EINVAL;
 946         if (val > 25500 || val < 100)
 947                 return -ERANGE;
 948
 949         zio_timer = (uint16_t)(val / 100);
 950         vha->hw->zio_timer = zio_timer;
 951
 952         return strlen(buf);
 953 }
 954
 955 static ssize_t
 956 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
 957                     char *buf)
 958 {
 959         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 960         int len = 0;
 961
 962         if (vha->hw->beacon_blink_led)
 963                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
 964         else
 965                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 966         return len;
 967 }
 968
 969 static ssize_t
 970 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
 971                      const char *buf, size_t count)
 972 {
 973         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 974         struct qla_hw_data *ha = vha->hw;
 975         int val = 0;
 976         int rval;
 977
 978         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 979                 return -EPERM;
 980
 981         if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
 982                 qla_printk(KERN_WARNING, ha,
 983                     "Abort ISP active -- ignoring beacon request.\n");
 984                 return -EBUSY;
 985         }
 986
 987         if (sscanf(buf, "%d", &val) != 1)
 988                 return -EINVAL;
 989
 990         if (val)
 991                 rval = ha->isp_ops->beacon_on(vha);
 992         else
 993                 rval = ha->isp_ops->beacon_off(vha);
 994
 995         if (rval != QLA_SUCCESS)
 996                 count = 0;
 997
 998         return count;
 999 }
1000
1001 static ssize_t
1002 qla2x00_optrom_bios_version_show(struct device *dev,
1003                                  struct device_attribute *attr, char *buf)
1004 {
1005         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1006         struct qla_hw_data *ha = vha->hw;
1007         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1008             ha->bios_revision[0]);
1009 }
1010
1011 static ssize_t
1012 qla2x00_optrom_efi_version_show(struct device *dev,
1013                                 struct device_attribute *attr, char *buf)
1014 {
1015         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1016         struct qla_hw_data *ha = vha->hw;
1017         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1018             ha->efi_revision[0]);
1019 }
1020
1021 static ssize_t
1022 qla2x00_optrom_fcode_version_show(struct device *dev,
1023                                   struct device_attribute *attr, char *buf)
1024 {
1025         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1026         struct qla_hw_data *ha = vha->hw;
1027         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1028             ha->fcode_revision[0]);
1029 }
1030
1031 static ssize_t
1032 qla2x00_optrom_fw_version_show(struct device *dev,
1033                                struct device_attribute *attr, char *buf)
1034 {
1035         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1036         struct qla_hw_data *ha = vha->hw;
1037         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1038             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1039             ha->fw_revision[3]);
1040 }
1041
1042 static ssize_t
1043 qla2x00_total_isp_aborts_show(struct device *dev,
1044                               struct device_attribute *attr, char *buf)
1045 {
1046         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1047         struct qla_hw_data *ha = vha->hw;
1048         return snprintf(buf, PAGE_SIZE, "%d\n",
1049             ha->qla_stats.total_isp_aborts);
1050 }
1051
1052 static ssize_t
1053 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1054     char *buf)
1055 {
1056         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1057         struct qla_hw_data *ha = vha->hw;
1058
1059         if (!IS_QLA81XX(ha))
1060                 return snprintf(buf, PAGE_SIZE, "\n");
1061
1062         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1063             ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1064             ha->mpi_capabilities);
1065 }
1066
1067 static ssize_t
1068 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1069     char *buf)
1070 {
1071         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1072         struct qla_hw_data *ha = vha->hw;
1073
1074         if (!IS_QLA81XX(ha))
1075                 return snprintf(buf, PAGE_SIZE, "\n");
1076
1077         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1078             ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1079 }
1080
1081 static ssize_t
1082 qla2x00_flash_block_size_show(struct device *dev,
1083                               struct device_attribute *attr, char *buf)
1084 {
1085         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1086         struct qla_hw_data *ha = vha->hw;
1087
1088         return snprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1089 }
1090
1091 static ssize_t
1092 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1093     char *buf)
1094 {
1095         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1096
1097         if (!IS_QLA81XX(vha->hw))
1098                 return snprintf(buf, PAGE_SIZE, "\n");
1099
1100         return snprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1101 }
1102
1103 static ssize_t
1104 qla2x00_vn_port_mac_address_show(struct device *dev,
1105     struct device_attribute *attr, char *buf)
1106 {
1107         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1108
1109         if (!IS_QLA81XX(vha->hw))
1110                 return snprintf(buf, PAGE_SIZE, "\n");
1111
1112         return snprintf(buf, PAGE_SIZE, "%02x:%02x:%02x:%02x:%02x:%02x\n",
1113             vha->fcoe_vn_port_mac[5], vha->fcoe_vn_port_mac[4],
1114             vha->fcoe_vn_port_mac[3], vha->fcoe_vn_port_mac[2],
1115             vha->fcoe_vn_port_mac[1], vha->fcoe_vn_port_mac[0]);
1116 }
1117
1118 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1119 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1120 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1121 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1122 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1123 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1124 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1125 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1126 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1127 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1128 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1129                    qla2x00_zio_timer_store);
1130 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1131                    qla2x00_beacon_store);
1132 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1133                    qla2x00_optrom_bios_version_show, NULL);
1134 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1135                    qla2x00_optrom_efi_version_show, NULL);
1136 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1137                    qla2x00_optrom_fcode_version_show, NULL);
1138 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1139                    NULL);
1140 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1141                    NULL);
1142 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1143 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1144 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1145                    NULL);
1146 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1147 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1148                    qla2x00_vn_port_mac_address_show, NULL);
1149
1150 struct device_attribute *qla2x00_host_attrs[] = {
1151         &dev_attr_driver_version,
1152         &dev_attr_fw_version,
1153         &dev_attr_serial_num,
1154         &dev_attr_isp_name,
1155         &dev_attr_isp_id,
1156         &dev_attr_model_name,
1157         &dev_attr_model_desc,
1158         &dev_attr_pci_info,
1159         &dev_attr_link_state,
1160         &dev_attr_zio,
1161         &dev_attr_zio_timer,
1162         &dev_attr_beacon,
1163         &dev_attr_optrom_bios_version,
1164         &dev_attr_optrom_efi_version,
1165         &dev_attr_optrom_fcode_version,
1166         &dev_attr_optrom_fw_version,
1167         &dev_attr_total_isp_aborts,
1168         &dev_attr_mpi_version,
1169         &dev_attr_phy_version,
1170         &dev_attr_flash_block_size,
1171         &dev_attr_vlan_id,
1172         &dev_attr_vn_port_mac_address,
1173         NULL,
1174 };
1175
1176 /* Host attributes. */
1177
1178 static void
1179 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1180 {
1181         scsi_qla_host_t *vha = shost_priv(shost);
1182
1183         fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1184             vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1185 }
1186
1187 static void
1188 qla2x00_get_host_speed(struct Scsi_Host *shost)
1189 {
1190         struct qla_hw_data *ha = ((struct scsi_qla_host *)
1191                                         (shost_priv(shost)))->hw;
1192         u32 speed = FC_PORTSPEED_UNKNOWN;
1193
1194         switch (ha->link_data_rate) {
1195         case PORT_SPEED_1GB:
1196                 speed = FC_PORTSPEED_1GBIT;
1197                 break;
1198         case PORT_SPEED_2GB:
1199                 speed = FC_PORTSPEED_2GBIT;
1200                 break;
1201         case PORT_SPEED_4GB:
1202                 speed = FC_PORTSPEED_4GBIT;
1203                 break;
1204         case PORT_SPEED_8GB:
1205                 speed = FC_PORTSPEED_8GBIT;
1206                 break;
1207         case PORT_SPEED_10GB:
1208                 speed = FC_PORTSPEED_10GBIT;
1209                 break;
1210         }
1211         fc_host_speed(shost) = speed;
1212 }
1213
1214 static void
1215 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1216 {
1217         scsi_qla_host_t *vha = shost_priv(shost);
1218         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1219
1220         if (vha->vp_idx) {
1221                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1222                 return;
1223         }
1224         switch (vha->hw->current_topology) {
1225         case ISP_CFG_NL:
1226                 port_type = FC_PORTTYPE_LPORT;
1227                 break;
1228         case ISP_CFG_FL:
1229                 port_type = FC_PORTTYPE_NLPORT;
1230                 break;
1231         case ISP_CFG_N:
1232                 port_type = FC_PORTTYPE_PTP;
1233                 break;
1234         case ISP_CFG_F:
1235                 port_type = FC_PORTTYPE_NPORT;
1236                 break;
1237         }
1238         fc_host_port_type(shost) = port_type;
1239 }
1240
1241 static void
1242 qla2x00_get_starget_node_name(struct scsi_target *starget)
1243 {
1244         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1245         scsi_qla_host_t *vha = shost_priv(host);
1246         fc_port_t *fcport;
1247         u64 node_name = 0;
1248
1249         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1250                 if (fcport->rport &&
1251                     starget->id == fcport->rport->scsi_target_id) {
1252                         node_name = wwn_to_u64(fcport->node_name);
1253                         break;
1254                 }
1255         }
1256
1257         fc_starget_node_name(starget) = node_name;
1258 }
1259
1260 static void
1261 qla2x00_get_starget_port_name(struct scsi_target *starget)
1262 {
1263         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1264         scsi_qla_host_t *vha = shost_priv(host);
1265         fc_port_t *fcport;
1266         u64 port_name = 0;
1267
1268         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1269                 if (fcport->rport &&
1270                     starget->id == fcport->rport->scsi_target_id) {
1271                         port_name = wwn_to_u64(fcport->port_name);
1272                         break;
1273                 }
1274         }
1275
1276         fc_starget_port_name(starget) = port_name;
1277 }
1278
1279 static void
1280 qla2x00_get_starget_port_id(struct scsi_target *starget)
1281 {
1282         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1283         scsi_qla_host_t *vha = shost_priv(host);
1284         fc_port_t *fcport;
1285         uint32_t port_id = ~0U;
1286
1287         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1288                 if (fcport->rport &&
1289                     starget->id == fcport->rport->scsi_target_id) {
1290                         port_id = fcport->d_id.b.domain << 16 |
1291                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1292                         break;
1293                 }
1294         }
1295
1296         fc_starget_port_id(starget) = port_id;
1297 }
1298
1299 static void
1300 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1301 {
1302         if (timeout)
1303                 rport->dev_loss_tmo = timeout;
1304         else
1305                 rport->dev_loss_tmo = 1;
1306 }
1307
1308 static void
1309 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1310 {
1311         struct Scsi_Host *host = rport_to_shost(rport);
1312         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1313
1314         if (!fcport)
1315                 return;
1316
1317         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev)))
1318                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1319         else
1320                 qla2x00_abort_fcport_cmds(fcport);
1321
1322         /*
1323          * Transport has effectively 'deleted' the rport, clear
1324          * all local references.
1325          */
1326         spin_lock_irq(host->host_lock);
1327         fcport->rport = NULL;
1328         *((fc_port_t **)rport->dd_data) = NULL;
1329         spin_unlock_irq(host->host_lock);
1330 }
1331
1332 static void
1333 qla2x00_terminate_rport_io(struct fc_rport *rport)
1334 {
1335         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1336
1337         if (!fcport)
1338                 return;
1339
1340         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1341                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1342                 return;
1343         }
1344         /*
1345          * At this point all fcport's software-states are cleared.  Perform any
1346          * final cleanup of firmware resources (PCBs and XCBs).
1347          */
1348         if (fcport->loop_id != FC_NO_LOOP_ID)
1349                 fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1350                         fcport->loop_id, fcport->d_id.b.domain,
1351                         fcport->d_id.b.area, fcport->d_id.b.al_pa);
1352
1353         qla2x00_abort_fcport_cmds(fcport);
1354 }
1355
1356 static int
1357 qla2x00_issue_lip(struct Scsi_Host *shost)
1358 {
1359         scsi_qla_host_t *vha = shost_priv(shost);
1360
1361         qla2x00_loop_reset(vha);
1362         return 0;
1363 }
1364
1365 static struct fc_host_statistics *
1366 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1367 {
1368         scsi_qla_host_t *vha = shost_priv(shost);
1369         struct qla_hw_data *ha = vha->hw;
1370         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1371         int rval;
1372         struct link_statistics *stats;
1373         dma_addr_t stats_dma;
1374         struct fc_host_statistics *pfc_host_stat;
1375
1376         pfc_host_stat = &ha->fc_host_stat;
1377         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1378
1379         stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1380         if (stats == NULL) {
1381                 DEBUG2_3_11(printk("%s(%ld): Failed to allocate memory.\n",
1382                     __func__, base_vha->host_no));
1383                 goto done;
1384         }
1385         memset(stats, 0, DMA_POOL_SIZE);
1386
1387         rval = QLA_FUNCTION_FAILED;
1388         if (IS_FWI2_CAPABLE(ha)) {
1389                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1390         } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1391                     !test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) &&
1392                     !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1393                     !ha->dpc_active) {
1394                 /* Must be in a 'READY' state for statistics retrieval. */
1395                 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1396                                                 stats, stats_dma);
1397         }
1398
1399         if (rval != QLA_SUCCESS)
1400                 goto done_free;
1401
1402         pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1403         pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1404         pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1405         pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1406         pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1407         pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1408         if (IS_FWI2_CAPABLE(ha)) {
1409                 pfc_host_stat->lip_count = stats->lip_cnt;
1410                 pfc_host_stat->tx_frames = stats->tx_frames;
1411                 pfc_host_stat->rx_frames = stats->rx_frames;
1412                 pfc_host_stat->dumped_frames = stats->dumped_frames;
1413                 pfc_host_stat->nos_count = stats->nos_rcvd;
1414         }
1415         pfc_host_stat->fcp_input_megabytes = ha->qla_stats.input_bytes >> 20;
1416         pfc_host_stat->fcp_output_megabytes = ha->qla_stats.output_bytes >> 20;
1417
1418 done_free:
1419         dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1420 done:
1421         return pfc_host_stat;
1422 }
1423
1424 static void
1425 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1426 {
1427         scsi_qla_host_t *vha = shost_priv(shost);
1428
1429         qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost));
1430 }
1431
1432 static void
1433 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1434 {
1435         scsi_qla_host_t *vha = shost_priv(shost);
1436
1437         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1438 }
1439
1440 static void
1441 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1442 {
1443         scsi_qla_host_t *vha = shost_priv(shost);
1444         u64 node_name;
1445
1446         if (vha->device_flags & SWITCH_FOUND)
1447                 node_name = wwn_to_u64(vha->fabric_node_name);
1448         else
1449                 node_name = wwn_to_u64(vha->node_name);
1450
1451         fc_host_fabric_name(shost) = node_name;
1452 }
1453
1454 static void
1455 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1456 {
1457         scsi_qla_host_t *vha = shost_priv(shost);
1458         struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1459
1460         if (!base_vha->flags.online)
1461                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1462         else if (atomic_read(&base_vha->loop_state) == LOOP_TIMEOUT)
1463                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1464         else
1465                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1466 }
1467
1468 static int
1469 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1470 {
1471         int     ret = 0;
1472         uint8_t qos = 0;
1473         scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1474         scsi_qla_host_t *vha = NULL;
1475         struct qla_hw_data *ha = base_vha->hw;
1476         uint16_t options = 0;
1477         int     cnt;
1478
1479         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
1480         if (ret) {
1481                 DEBUG15(printk("qla24xx_vport_create_req_sanity_check failed, "
1482                     "status %x\n", ret));
1483                 return (ret);
1484         }
1485
1486         vha = qla24xx_create_vhost(fc_vport);
1487         if (vha == NULL) {
1488                 DEBUG15(printk ("qla24xx_create_vhost failed, vha = %p\n",
1489                     vha));
1490                 return FC_VPORT_FAILED;
1491         }
1492         if (disable) {
1493                 atomic_set(&vha->vp_state, VP_OFFLINE);
1494                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
1495         } else
1496                 atomic_set(&vha->vp_state, VP_FAILED);
1497
1498         /* ready to create vport */
1499         qla_printk(KERN_INFO, vha->hw, "VP entry id %d assigned.\n",
1500                                                         vha->vp_idx);
1501
1502         /* initialized vport states */
1503         atomic_set(&vha->loop_state, LOOP_DOWN);
1504         vha->vp_err_state=  VP_ERR_PORTDWN;
1505         vha->vp_prev_err_state=  VP_ERR_UNKWN;
1506         /* Check if physical ha port is Up */
1507         if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
1508             atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1509                 /* Don't retry or attempt login of this virtual port */
1510                 DEBUG15(printk ("scsi(%ld): pport loop_state is not UP.\n",
1511                     base_vha->host_no));
1512                 atomic_set(&vha->loop_state, LOOP_DEAD);
1513                 if (!disable)
1514                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
1515         }
1516
1517         if (scsi_add_host(vha->host, &fc_vport->dev)) {
1518                 DEBUG15(printk("scsi(%ld): scsi_add_host failure for VP[%d].\n",
1519                         vha->host_no, vha->vp_idx));
1520                 goto vport_create_failed_2;
1521         }
1522
1523         /* initialize attributes */
1524         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1525         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1526         fc_host_supported_classes(vha->host) =
1527                 fc_host_supported_classes(base_vha->host);
1528         fc_host_supported_speeds(vha->host) =
1529                 fc_host_supported_speeds(base_vha->host);
1530
1531         qla24xx_vport_disable(fc_vport, disable);
1532
1533         ret = 0;
1534         if (ha->cur_vport_count <= ha->flex_port_count || ql2xmultique_tag
1535                 || ha->max_req_queues == 1 || !ha->npiv_info)
1536                 goto vport_queue;
1537         /* Create a request queue in QoS mode for the vport */
1538         for (cnt = ha->flex_port_count; cnt < ha->nvram_npiv_size; cnt++) {
1539                 if (ha->npiv_info[cnt].port_name == vha->port_name &&
1540                         ha->npiv_info[cnt].node_name == vha->node_name) {
1541                         qos = ha->npiv_info[cnt].q_qos;
1542                         break;
1543                 }
1544         }
1545         if (qos) {
1546                 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
1547                         qos);
1548                 if (!ret)
1549                         qla_printk(KERN_WARNING, ha,
1550                         "Can't create request queue for vp_idx:%d\n",
1551                         vha->vp_idx);
1552                 else
1553                         DEBUG2(qla_printk(KERN_INFO, ha,
1554                         "Request Que:%d created for vp_idx:%d\n",
1555                         ret, vha->vp_idx));
1556         }
1557
1558 vport_queue:
1559         vha->req = ha->req_q_map[ret];
1560         return 0;
1561
1562 vport_create_failed_2:
1563         qla24xx_disable_vp(vha);
1564         qla24xx_deallocate_vp_id(vha);
1565         scsi_host_put(vha->host);
1566         return FC_VPORT_FAILED;
1567 }
1568
1569 static int
1570 qla24xx_vport_delete(struct fc_vport *fc_vport)
1571 {
1572         scsi_qla_host_t *vha = fc_vport->dd_data;
1573         fc_port_t *fcport, *tfcport;
1574         struct qla_hw_data *ha = vha->hw;
1575         uint16_t id = vha->vp_idx;
1576
1577         while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
1578             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
1579                 msleep(1000);
1580
1581         qla24xx_disable_vp(vha);
1582
1583         fc_remove_host(vha->host);
1584
1585         scsi_remove_host(vha->host);
1586
1587         list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
1588                 list_del(&fcport->list);
1589                 kfree(fcport);
1590                 fcport = NULL;
1591         }
1592
1593         qla24xx_deallocate_vp_id(vha);
1594
1595         if (vha->timer_active) {
1596                 qla2x00_vp_stop_timer(vha);
1597                 DEBUG15(printk ("scsi(%ld): timer for the vport[%d] = %p "
1598                     "has stopped\n",
1599                     vha->host_no, vha->vp_idx, vha));
1600         }
1601
1602         if (vha->req->id && !ql2xmultique_tag) {
1603                 if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
1604                         qla_printk(KERN_WARNING, ha,
1605                                 "Queue delete failed.\n");
1606         }
1607
1608         scsi_host_put(vha->host);
1609         qla_printk(KERN_INFO, ha, "vport %d deleted\n", id);
1610         return 0;
1611 }
1612
1613 static int
1614 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
1615 {
1616         scsi_qla_host_t *vha = fc_vport->dd_data;
1617
1618         if (disable)
1619                 qla24xx_disable_vp(vha);
1620         else
1621                 qla24xx_enable_vp(vha);
1622
1623         return 0;
1624 }
1625
1626 struct fc_function_template qla2xxx_transport_functions = {
1627
1628         .show_host_node_name = 1,
1629         .show_host_port_name = 1,
1630         .show_host_supported_classes = 1,
1631         .show_host_supported_speeds = 1,
1632
1633         .get_host_port_id = qla2x00_get_host_port_id,
1634         .show_host_port_id = 1,
1635         .get_host_speed = qla2x00_get_host_speed,
1636         .show_host_speed = 1,
1637         .get_host_port_type = qla2x00_get_host_port_type,
1638         .show_host_port_type = 1,
1639         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
1640         .show_host_symbolic_name = 1,
1641         .set_host_system_hostname = qla2x00_set_host_system_hostname,
1642         .show_host_system_hostname = 1,
1643         .get_host_fabric_name = qla2x00_get_host_fabric_name,
1644         .show_host_fabric_name = 1,
1645         .get_host_port_state = qla2x00_get_host_port_state,
1646         .show_host_port_state = 1,
1647
1648         .dd_fcrport_size = sizeof(struct fc_port *),
1649         .show_rport_supported_classes = 1,
1650
1651         .get_starget_node_name = qla2x00_get_starget_node_name,
1652         .show_starget_node_name = 1,
1653         .get_starget_port_name = qla2x00_get_starget_port_name,
1654         .show_starget_port_name = 1,
1655         .get_starget_port_id  = qla2x00_get_starget_port_id,
1656         .show_starget_port_id = 1,
1657
1658         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
1659         .show_rport_dev_loss_tmo = 1,
1660
1661         .issue_fc_host_lip = qla2x00_issue_lip,
1662         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
1663         .terminate_rport_io = qla2x00_terminate_rport_io,
1664         .get_fc_host_stats = qla2x00_get_fc_host_stats,
1665
1666         .vport_create = qla24xx_vport_create,
1667         .vport_disable = qla24xx_vport_disable,
1668         .vport_delete = qla24xx_vport_delete,
1669 };
1670
1671 struct fc_function_template qla2xxx_transport_vport_functions = {
1672
1673         .show_host_node_name = 1,
1674         .show_host_port_name = 1,
1675         .show_host_supported_classes = 1,
1676
1677         .get_host_port_id = qla2x00_get_host_port_id,
1678         .show_host_port_id = 1,
1679         .get_host_speed = qla2x00_get_host_speed,
1680         .show_host_speed = 1,
1681         .get_host_port_type = qla2x00_get_host_port_type,
1682         .show_host_port_type = 1,
1683         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
1684         .show_host_symbolic_name = 1,
1685         .set_host_system_hostname = qla2x00_set_host_system_hostname,
1686         .show_host_system_hostname = 1,
1687         .get_host_fabric_name = qla2x00_get_host_fabric_name,
1688         .show_host_fabric_name = 1,
1689         .get_host_port_state = qla2x00_get_host_port_state,
1690         .show_host_port_state = 1,
1691
1692         .dd_fcrport_size = sizeof(struct fc_port *),
1693         .show_rport_supported_classes = 1,
1694
1695         .get_starget_node_name = qla2x00_get_starget_node_name,
1696         .show_starget_node_name = 1,
1697         .get_starget_port_name = qla2x00_get_starget_port_name,
1698         .show_starget_port_name = 1,
1699         .get_starget_port_id  = qla2x00_get_starget_port_id,
1700         .show_starget_port_id = 1,
1701
1702         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
1703         .show_rport_dev_loss_tmo = 1,
1704
1705         .issue_fc_host_lip = qla2x00_issue_lip,
1706         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
1707         .terminate_rport_io = qla2x00_terminate_rport_io,
1708         .get_fc_host_stats = qla2x00_get_fc_host_stats,
1709 };
1710
1711 void
1712 qla2x00_init_host_attr(scsi_qla_host_t *vha)
1713 {
1714         struct qla_hw_data *ha = vha->hw;
1715         u32 speed = FC_PORTSPEED_UNKNOWN;
1716
1717         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1718         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1719         fc_host_supported_classes(vha->host) = FC_COS_CLASS3;
1720         fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
1721         fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
1722
1723         if (IS_QLA81XX(ha))
1724                 speed = FC_PORTSPEED_10GBIT;
1725         else if (IS_QLA25XX(ha))
1726                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
1727                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
1728         else if (IS_QLA24XX_TYPE(ha))
1729                 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
1730                     FC_PORTSPEED_1GBIT;
1731         else if (IS_QLA23XX(ha))
1732                 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
1733         else
1734                 speed = FC_PORTSPEED_1GBIT;
1735         fc_host_supported_speeds(vha->host) = speed;
1736 }