drivers/scsi/qla2xxx/qla_attr.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2013 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include "qla_target.h"
   9
  10 #include <linux/kthread.h>
  11 #include <linux/vmalloc.h>
  12 #include <linux/slab.h>
  13 #include <linux/delay.h>
  14
  15 static int qla24xx_vport_disable(struct fc_vport *, bool);
  16
  17 /* SYSFS attributes --------------------------------------------------------- */
  18
  19 static ssize_t
  20 qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj,
  21                            struct bin_attribute *bin_attr,
  22                            char *buf, loff_t off, size_t count)
  23 {
  24         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
  25             struct device, kobj)));
  26         struct qla_hw_data *ha = vha->hw;
  27         int rval = 0;
  28
  29         if (!(ha->fw_dump_reading || ha->mctp_dump_reading))
  30                 return 0;
  31
  32         if (IS_P3P_TYPE(ha)) {
  33                 if (off < ha->md_template_size) {
  34                         rval = memory_read_from_buffer(buf, count,
  35                             &off, ha->md_tmplt_hdr, ha->md_template_size);
  36                         return rval;
  37                 }
  38                 off -= ha->md_template_size;
  39                 rval = memory_read_from_buffer(buf, count,
  40                     &off, ha->md_dump, ha->md_dump_size);
  41                 return rval;
  42         } else if (ha->mctp_dumped && ha->mctp_dump_reading)
  43                 return memory_read_from_buffer(buf, count, &off, ha->mctp_dump,
  44                     MCTP_DUMP_SIZE);
  45         else if (ha->fw_dump_reading)
  46                 return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
  47                                         ha->fw_dump_len);
  48         else
  49                 return 0;
  50 }
  51
  52 static ssize_t
  53 qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
  54                             struct bin_attribute *bin_attr,
  55                             char *buf, loff_t off, size_t count)
  56 {
  57         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
  58             struct device, kobj)));
  59         struct qla_hw_data *ha = vha->hw;
  60         int reading;
  61
  62         if (off != 0)
  63                 return (0);
  64
  65         reading = simple_strtol(buf, NULL, 10);
  66         switch (reading) {
  67         case 0:
  68                 if (!ha->fw_dump_reading)
  69                         break;
  70
  71                 ql_log(ql_log_info, vha, 0x705d,
  72                     "Firmware dump cleared on (%ld).\n", vha->host_no);
  73
  74                 if (IS_P3P_TYPE(ha)) {
  75                         qla82xx_md_free(vha);
  76                         qla82xx_md_prep(vha);
  77                 }
  78                 ha->fw_dump_reading = 0;
  79                 ha->fw_dumped = 0;
  80                 break;
  81         case 1:
  82                 if (ha->fw_dumped && !ha->fw_dump_reading) {
  83                         ha->fw_dump_reading = 1;
  84
  85                         ql_log(ql_log_info, vha, 0x705e,
  86                             "Raw firmware dump ready for read on (%ld).\n",
  87                             vha->host_no);
  88                 }
  89                 break;
  90         case 2:
  91                 qla2x00_alloc_fw_dump(vha);
  92                 break;
  93         case 3:
  94                 if (IS_QLA82XX(ha)) {
  95                         qla82xx_idc_lock(ha);
  96                         qla82xx_set_reset_owner(vha);
  97                         qla82xx_idc_unlock(ha);
  98                 } else if (IS_QLA8044(ha)) {
  99                         qla8044_idc_lock(ha);
 100                         qla82xx_set_reset_owner(vha);
 101                         qla8044_idc_unlock(ha);
 102                 } else
 103                         qla2x00_system_error(vha);
 104                 break;
 105         case 4:
 106                 if (IS_P3P_TYPE(ha)) {
 107                         if (ha->md_tmplt_hdr)
 108                                 ql_dbg(ql_dbg_user, vha, 0x705b,
 109                                     "MiniDump supported with this firmware.\n");
 110                         else
 111                                 ql_dbg(ql_dbg_user, vha, 0x709d,
 112                                     "MiniDump not supported with this firmware.\n");
 113                 }
 114                 break;
 115         case 5:
 116                 if (IS_P3P_TYPE(ha))
 117                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 118                 break;
 119         case 6:
 120                 if (!ha->mctp_dump_reading)
 121                         break;
 122                 ql_log(ql_log_info, vha, 0x70c1,
 123                     "MCTP dump cleared on (%ld).\n", vha->host_no);
 124                 ha->mctp_dump_reading = 0;
 125                 ha->mctp_dumped = 0;
 126                 break;
 127         case 7:
 128                 if (ha->mctp_dumped && !ha->mctp_dump_reading) {
 129                         ha->mctp_dump_reading = 1;
 130                         ql_log(ql_log_info, vha, 0x70c2,
 131                             "Raw mctp dump ready for read on (%ld).\n",
 132                             vha->host_no);
 133                 }
 134                 break;
 135         }
 136         return count;
 137 }
 138
 139 static struct bin_attribute sysfs_fw_dump_attr = {
 140         .attr = {
 141                 .name = "fw_dump",
 142                 .mode = S_IRUSR | S_IWUSR,
 143         },
 144         .size = 0,
 145         .read = qla2x00_sysfs_read_fw_dump,
 146         .write = qla2x00_sysfs_write_fw_dump,
 147 };
 148
 149 static ssize_t
 150 qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
 151                          struct bin_attribute *bin_attr,
 152                          char *buf, loff_t off, size_t count)
 153 {
 154         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 155             struct device, kobj)));
 156         struct qla_hw_data *ha = vha->hw;
 157
 158         if (!capable(CAP_SYS_ADMIN))
 159                 return 0;
 160
 161         if (IS_NOCACHE_VPD_TYPE(ha))
 162                 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
 163                     ha->nvram_size);
 164         return memory_read_from_buffer(buf, count, &off, ha->nvram,
 165                                         ha->nvram_size);
 166 }
 167
 168 static ssize_t
 169 qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
 170                           struct bin_attribute *bin_attr,
 171                           char *buf, loff_t off, size_t count)
 172 {
 173         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 174             struct device, kobj)));
 175         struct qla_hw_data *ha = vha->hw;
 176         uint16_t        cnt;
 177
 178         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
 179             !ha->isp_ops->write_nvram)
 180                 return -EINVAL;
 181
 182         /* Checksum NVRAM. */
 183         if (IS_FWI2_CAPABLE(ha)) {
 184                 uint32_t *iter;
 185                 uint32_t chksum;
 186
 187                 iter = (uint32_t *)buf;
 188                 chksum = 0;
 189                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
 190                         chksum += le32_to_cpu(*iter++);
 191                 chksum = ~chksum + 1;
 192                 *iter = cpu_to_le32(chksum);
 193         } else {
 194                 uint8_t *iter;
 195                 uint8_t chksum;
 196
 197                 iter = (uint8_t *)buf;
 198                 chksum = 0;
 199                 for (cnt = 0; cnt < count - 1; cnt++)
 200                         chksum += *iter++;
 201                 chksum = ~chksum + 1;
 202                 *iter = chksum;
 203         }
 204
 205         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 206                 ql_log(ql_log_warn, vha, 0x705f,
 207                     "HBA not online, failing NVRAM update.\n");
 208                 return -EAGAIN;
 209         }
 210
 211         /* Write NVRAM. */
 212         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
 213         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
 214             count);
 215
 216         ql_dbg(ql_dbg_user, vha, 0x7060,
 217             "Setting ISP_ABORT_NEEDED\n");
 218         /* NVRAM settings take effect immediately. */
 219         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 220         qla2xxx_wake_dpc(vha);
 221         qla2x00_wait_for_chip_reset(vha);
 222
 223         return count;
 224 }
 225
 226 static struct bin_attribute sysfs_nvram_attr = {
 227         .attr = {
 228                 .name = "nvram",
 229                 .mode = S_IRUSR | S_IWUSR,
 230         },
 231         .size = 512,
 232         .read = qla2x00_sysfs_read_nvram,
 233         .write = qla2x00_sysfs_write_nvram,
 234 };
 235
 236 static ssize_t
 237 qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
 238                           struct bin_attribute *bin_attr,
 239                           char *buf, loff_t off, size_t count)
 240 {
 241         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 242             struct device, kobj)));
 243         struct qla_hw_data *ha = vha->hw;
 244         ssize_t rval = 0;
 245
 246         if (ha->optrom_state != QLA_SREADING)
 247                 return 0;
 248
 249         mutex_lock(&ha->optrom_mutex);
 250         rval = memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
 251             ha->optrom_region_size);
 252         mutex_unlock(&ha->optrom_mutex);
 253
 254         return rval;
 255 }
 256
 257 static ssize_t
 258 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
 259                            struct bin_attribute *bin_attr,
 260                            char *buf, loff_t off, size_t count)
 261 {
 262         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 263             struct device, kobj)));
 264         struct qla_hw_data *ha = vha->hw;
 265
 266         if (ha->optrom_state != QLA_SWRITING)
 267                 return -EINVAL;
 268         if (off > ha->optrom_region_size)
 269                 return -ERANGE;
 270         if (off + count > ha->optrom_region_size)
 271                 count = ha->optrom_region_size - off;
 272
 273         mutex_lock(&ha->optrom_mutex);
 274         memcpy(&ha->optrom_buffer[off], buf, count);
 275         mutex_unlock(&ha->optrom_mutex);
 276
 277         return count;
 278 }
 279
 280 static struct bin_attribute sysfs_optrom_attr = {
 281         .attr = {
 282                 .name = "optrom",
 283                 .mode = S_IRUSR | S_IWUSR,
 284         },
 285         .size = 0,
 286         .read = qla2x00_sysfs_read_optrom,
 287         .write = qla2x00_sysfs_write_optrom,
 288 };
 289
 290 static ssize_t
 291 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 292                                struct bin_attribute *bin_attr,
 293                                char *buf, loff_t off, size_t count)
 294 {
 295         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 296             struct device, kobj)));
 297         struct qla_hw_data *ha = vha->hw;
 298         uint32_t start = 0;
 299         uint32_t size = ha->optrom_size;
 300         int val, valid;
 301         ssize_t rval = count;
 302
 303         if (off)
 304                 return -EINVAL;
 305
 306         if (unlikely(pci_channel_offline(ha->pdev)))
 307                 return -EAGAIN;
 308
 309         if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
 310                 return -EINVAL;
 311         if (start > ha->optrom_size)
 312                 return -EINVAL;
 313
 314         mutex_lock(&ha->optrom_mutex);
 315         switch (val) {
 316         case 0:
 317                 if (ha->optrom_state != QLA_SREADING &&
 318                     ha->optrom_state != QLA_SWRITING) {
 319                         rval =  -EINVAL;
 320                         goto out;
 321                 }
 322                 ha->optrom_state = QLA_SWAITING;
 323
 324                 ql_dbg(ql_dbg_user, vha, 0x7061,
 325                     "Freeing flash region allocation -- 0x%x bytes.\n",
 326                     ha->optrom_region_size);
 327
 328                 vfree(ha->optrom_buffer);
 329                 ha->optrom_buffer = NULL;
 330                 break;
 331         case 1:
 332                 if (ha->optrom_state != QLA_SWAITING) {
 333                         rval = -EINVAL;
 334                         goto out;
 335                 }
 336
 337                 ha->optrom_region_start = start;
 338                 ha->optrom_region_size = start + size > ha->optrom_size ?
 339                     ha->optrom_size - start : size;
 340
 341                 ha->optrom_state = QLA_SREADING;
 342                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
 343                 if (ha->optrom_buffer == NULL) {
 344                         ql_log(ql_log_warn, vha, 0x7062,
 345                             "Unable to allocate memory for optrom retrieval "
 346                             "(%x).\n", ha->optrom_region_size);
 347
 348                         ha->optrom_state = QLA_SWAITING;
 349                         rval = -ENOMEM;
 350                         goto out;
 351                 }
 352
 353                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 354                         ql_log(ql_log_warn, vha, 0x7063,
 355                             "HBA not online, failing NVRAM update.\n");
 356                         rval = -EAGAIN;
 357                         goto out;
 358                 }
 359
 360                 ql_dbg(ql_dbg_user, vha, 0x7064,
 361                     "Reading flash region -- 0x%x/0x%x.\n",
 362                     ha->optrom_region_start, ha->optrom_region_size);
 363
 364                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
 365                 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
 366                     ha->optrom_region_start, ha->optrom_region_size);
 367                 break;
 368         case 2:
 369                 if (ha->optrom_state != QLA_SWAITING) {
 370                         rval = -EINVAL;
 371                         goto out;
 372                 }
 373
 374                 /*
 375                  * We need to be more restrictive on which FLASH regions are
 376                  * allowed to be updated via user-space.  Regions accessible
 377                  * via this method include:
 378                  *
 379                  * ISP21xx/ISP22xx/ISP23xx type boards:
 380                  *
 381                  *      0x000000 -> 0x020000 -- Boot code.
 382                  *
 383                  * ISP2322/ISP24xx type boards:
 384                  *
 385                  *      0x000000 -> 0x07ffff -- Boot code.
 386                  *      0x080000 -> 0x0fffff -- Firmware.
 387                  *
 388                  * ISP25xx type boards:
 389                  *
 390                  *      0x000000 -> 0x07ffff -- Boot code.
 391                  *      0x080000 -> 0x0fffff -- Firmware.
 392                  *      0x120000 -> 0x12ffff -- VPD and HBA parameters.
 393                  */
 394                 valid = 0;
 395                 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
 396                         valid = 1;
 397                 else if (start == (ha->flt_region_boot * 4) ||
 398                     start == (ha->flt_region_fw * 4))
 399                         valid = 1;
 400                 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)
 401                         || IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
 402                         valid = 1;
 403                 if (!valid) {
 404                         ql_log(ql_log_warn, vha, 0x7065,
 405                             "Invalid start region 0x%x/0x%x.\n", start, size);
 406                         rval = -EINVAL;
 407                         goto out;
 408                 }
 409
 410                 ha->optrom_region_start = start;
 411                 ha->optrom_region_size = start + size > ha->optrom_size ?
 412                     ha->optrom_size - start : size;
 413
 414                 ha->optrom_state = QLA_SWRITING;
 415                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
 416                 if (ha->optrom_buffer == NULL) {
 417                         ql_log(ql_log_warn, vha, 0x7066,
 418                             "Unable to allocate memory for optrom update "
 419                             "(%x)\n", ha->optrom_region_size);
 420
 421                         ha->optrom_state = QLA_SWAITING;
 422                         rval = -ENOMEM;
 423                         goto out;
 424                 }
 425
 426                 ql_dbg(ql_dbg_user, vha, 0x7067,
 427                     "Staging flash region write -- 0x%x/0x%x.\n",
 428                     ha->optrom_region_start, ha->optrom_region_size);
 429
 430                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
 431                 break;
 432         case 3:
 433                 if (ha->optrom_state != QLA_SWRITING) {
 434                         rval = -EINVAL;
 435                         goto out;
 436                 }
 437
 438                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 439                         ql_log(ql_log_warn, vha, 0x7068,
 440                             "HBA not online, failing flash update.\n");
 441                         rval = -EAGAIN;
 442                         goto out;
 443                 }
 444
 445                 ql_dbg(ql_dbg_user, vha, 0x7069,
 446                     "Writing flash region -- 0x%x/0x%x.\n",
 447                     ha->optrom_region_start, ha->optrom_region_size);
 448
 449                 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
 450                     ha->optrom_region_start, ha->optrom_region_size);
 451                 break;
 452         default:
 453                 rval = -EINVAL;
 454         }
 455
 456 out:
 457         mutex_unlock(&ha->optrom_mutex);
 458         return rval;
 459 }
 460
 461 static struct bin_attribute sysfs_optrom_ctl_attr = {
 462         .attr = {
 463                 .name = "optrom_ctl",
 464                 .mode = S_IWUSR,
 465         },
 466         .size = 0,
 467         .write = qla2x00_sysfs_write_optrom_ctl,
 468 };
 469
 470 static ssize_t
 471 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
 472                        struct bin_attribute *bin_attr,
 473                        char *buf, loff_t off, size_t count)
 474 {
 475         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 476             struct device, kobj)));
 477         struct qla_hw_data *ha = vha->hw;
 478
 479         if (unlikely(pci_channel_offline(ha->pdev)))
 480                 return -EAGAIN;
 481
 482         if (!capable(CAP_SYS_ADMIN))
 483                 return -EINVAL;
 484
 485         if (IS_NOCACHE_VPD_TYPE(ha))
 486                 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
 487                     ha->vpd_size);
 488         return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
 489 }
 490
 491 static ssize_t
 492 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
 493                         struct bin_attribute *bin_attr,
 494                         char *buf, loff_t off, size_t count)
 495 {
 496         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 497             struct device, kobj)));
 498         struct qla_hw_data *ha = vha->hw;
 499         uint8_t *tmp_data;
 500
 501         if (unlikely(pci_channel_offline(ha->pdev)))
 502                 return 0;
 503
 504         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
 505             !ha->isp_ops->write_nvram)
 506                 return 0;
 507
 508         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 509                 ql_log(ql_log_warn, vha, 0x706a,
 510                     "HBA not online, failing VPD update.\n");
 511                 return -EAGAIN;
 512         }
 513
 514         /* Write NVRAM. */
 515         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
 516         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
 517
 518         /* Update flash version information for 4Gb & above. */
 519         if (!IS_FWI2_CAPABLE(ha))
 520                 return -EINVAL;
 521
 522         tmp_data = vmalloc(256);
 523         if (!tmp_data) {
 524                 ql_log(ql_log_warn, vha, 0x706b,
 525                     "Unable to allocate memory for VPD information update.\n");
 526                 return -ENOMEM;
 527         }
 528         ha->isp_ops->get_flash_version(vha, tmp_data);
 529         vfree(tmp_data);
 530
 531         return count;
 532 }
 533
 534 static struct bin_attribute sysfs_vpd_attr = {
 535         .attr = {
 536                 .name = "vpd",
 537                 .mode = S_IRUSR | S_IWUSR,
 538         },
 539         .size = 0,
 540         .read = qla2x00_sysfs_read_vpd,
 541         .write = qla2x00_sysfs_write_vpd,
 542 };
 543
 544 static ssize_t
 545 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
 546                        struct bin_attribute *bin_attr,
 547                        char *buf, loff_t off, size_t count)
 548 {
 549         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 550             struct device, kobj)));
 551         struct qla_hw_data *ha = vha->hw;
 552         uint16_t iter, addr, offset;
 553         int rval;
 554
 555         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
 556                 return 0;
 557
 558         if (ha->sfp_data)
 559                 goto do_read;
 560
 561         ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
 562             &ha->sfp_data_dma);
 563         if (!ha->sfp_data) {
 564                 ql_log(ql_log_warn, vha, 0x706c,
 565                     "Unable to allocate memory for SFP read-data.\n");
 566                 return 0;
 567         }
 568
 569 do_read:
 570         memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
 571         addr = 0xa0;
 572         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
 573             iter++, offset += SFP_BLOCK_SIZE) {
 574                 if (iter == 4) {
 575                         /* Skip to next device address. */
 576                         addr = 0xa2;
 577                         offset = 0;
 578                 }
 579
 580                 rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
 581                     addr, offset, SFP_BLOCK_SIZE, 0);
 582                 if (rval != QLA_SUCCESS) {
 583                         ql_log(ql_log_warn, vha, 0x706d,
 584                             "Unable to read SFP data (%x/%x/%x).\n", rval,
 585                             addr, offset);
 586
 587                         return -EIO;
 588                 }
 589                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 590                 buf += SFP_BLOCK_SIZE;
 591         }
 592
 593         return count;
 594 }
 595
 596 static struct bin_attribute sysfs_sfp_attr = {
 597         .attr = {
 598                 .name = "sfp",
 599                 .mode = S_IRUSR | S_IWUSR,
 600         },
 601         .size = SFP_DEV_SIZE * 2,
 602         .read = qla2x00_sysfs_read_sfp,
 603 };
 604
 605 static ssize_t
 606 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
 607                         struct bin_attribute *bin_attr,
 608                         char *buf, loff_t off, size_t count)
 609 {
 610         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 611             struct device, kobj)));
 612         struct qla_hw_data *ha = vha->hw;
 613         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 614         int type;
 615         uint32_t idc_control;
 616         uint8_t *tmp_data = NULL;
 617         if (off != 0)
 618                 return -EINVAL;
 619
 620         type = simple_strtol(buf, NULL, 10);
 621         switch (type) {
 622         case 0x2025c:
 623                 ql_log(ql_log_info, vha, 0x706e,
 624                     "Issuing ISP reset.\n");
 625
 626                 scsi_block_requests(vha->host);
 627                 if (IS_QLA82XX(ha)) {
 628                         ha->flags.isp82xx_no_md_cap = 1;
 629                         qla82xx_idc_lock(ha);
 630                         qla82xx_set_reset_owner(vha);
 631                         qla82xx_idc_unlock(ha);
 632                 } else if (IS_QLA8044(ha)) {
 633                         qla8044_idc_lock(ha);
 634                         idc_control = qla8044_rd_reg(ha,
 635                             QLA8044_IDC_DRV_CTRL);
 636                         qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
 637                             (idc_control | GRACEFUL_RESET_BIT1));
 638                         qla82xx_set_reset_owner(vha);
 639                         qla8044_idc_unlock(ha);
 640                 } else {
 641                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 642                         qla2xxx_wake_dpc(vha);
 643                 }
 644                 qla2x00_wait_for_chip_reset(vha);
 645                 scsi_unblock_requests(vha->host);
 646                 break;
 647         case 0x2025d:
 648                 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
 649                         return -EPERM;
 650
 651                 ql_log(ql_log_info, vha, 0x706f,
 652                     "Issuing MPI reset.\n");
 653
 654                 if (IS_QLA83XX(ha)) {
 655                         uint32_t idc_control;
 656
 657                         qla83xx_idc_lock(vha, 0);
 658                         __qla83xx_get_idc_control(vha, &idc_control);
 659                         idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
 660                         __qla83xx_set_idc_control(vha, idc_control);
 661                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 662                             QLA8XXX_DEV_NEED_RESET);
 663                         qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
 664                         qla83xx_idc_unlock(vha, 0);
 665                         break;
 666                 } else {
 667                         /* Make sure FC side is not in reset */
 668                         qla2x00_wait_for_hba_online(vha);
 669
 670                         /* Issue MPI reset */
 671                         scsi_block_requests(vha->host);
 672                         if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
 673                                 ql_log(ql_log_warn, vha, 0x7070,
 674                                     "MPI reset failed.\n");
 675                         scsi_unblock_requests(vha->host);
 676                         break;
 677                 }
 678         case 0x2025e:
 679                 if (!IS_P3P_TYPE(ha) || vha != base_vha) {
 680                         ql_log(ql_log_info, vha, 0x7071,
 681                             "FCoE ctx reset no supported.\n");
 682                         return -EPERM;
 683                 }
 684
 685                 ql_log(ql_log_info, vha, 0x7072,
 686                     "Issuing FCoE ctx reset.\n");
 687                 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
 688                 qla2xxx_wake_dpc(vha);
 689                 qla2x00_wait_for_fcoe_ctx_reset(vha);
 690                 break;
 691         case 0x2025f:
 692                 if (!IS_QLA8031(ha))
 693                         return -EPERM;
 694                 ql_log(ql_log_info, vha, 0x70bc,
 695                     "Disabling Reset by IDC control\n");
 696                 qla83xx_idc_lock(vha, 0);
 697                 __qla83xx_get_idc_control(vha, &idc_control);
 698                 idc_control |= QLA83XX_IDC_RESET_DISABLED;
 699                 __qla83xx_set_idc_control(vha, idc_control);
 700                 qla83xx_idc_unlock(vha, 0);
 701                 break;
 702         case 0x20260:
 703                 if (!IS_QLA8031(ha))
 704                         return -EPERM;
 705                 ql_log(ql_log_info, vha, 0x70bd,
 706                     "Enabling Reset by IDC control\n");
 707                 qla83xx_idc_lock(vha, 0);
 708                 __qla83xx_get_idc_control(vha, &idc_control);
 709                 idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
 710                 __qla83xx_set_idc_control(vha, idc_control);
 711                 qla83xx_idc_unlock(vha, 0);
 712                 break;
 713         case 0x20261:
 714                 ql_dbg(ql_dbg_user, vha, 0x70e0,
 715                     "Updating cache versions without reset ");
 716
 717                 tmp_data = vmalloc(256);
 718                 if (!tmp_data) {
 719                         ql_log(ql_log_warn, vha, 0x70e1,
 720                             "Unable to allocate memory for VPD information update.\n");
 721                         return -ENOMEM;
 722                 }
 723                 ha->isp_ops->get_flash_version(vha, tmp_data);
 724                 vfree(tmp_data);
 725                 break;
 726         }
 727         return count;
 728 }
 729
 730 static struct bin_attribute sysfs_reset_attr = {
 731         .attr = {
 732                 .name = "reset",
 733                 .mode = S_IWUSR,
 734         },
 735         .size = 0,
 736         .write = qla2x00_sysfs_write_reset,
 737 };
 738
 739 static ssize_t
 740 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
 741                        struct bin_attribute *bin_attr,
 742                        char *buf, loff_t off, size_t count)
 743 {
 744         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 745             struct device, kobj)));
 746         struct qla_hw_data *ha = vha->hw;
 747         int rval;
 748         uint16_t actual_size;
 749
 750         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
 751                 return 0;
 752
 753         if (ha->xgmac_data)
 754                 goto do_read;
 755
 756         ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
 757             &ha->xgmac_data_dma, GFP_KERNEL);
 758         if (!ha->xgmac_data) {
 759                 ql_log(ql_log_warn, vha, 0x7076,
 760                     "Unable to allocate memory for XGMAC read-data.\n");
 761                 return 0;
 762         }
 763
 764 do_read:
 765         actual_size = 0;
 766         memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
 767
 768         rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
 769             XGMAC_DATA_SIZE, &actual_size);
 770         if (rval != QLA_SUCCESS) {
 771                 ql_log(ql_log_warn, vha, 0x7077,
 772                     "Unable to read XGMAC data (%x).\n", rval);
 773                 count = 0;
 774         }
 775
 776         count = actual_size > count ? count: actual_size;
 777         memcpy(buf, ha->xgmac_data, count);
 778
 779         return count;
 780 }
 781
 782 static struct bin_attribute sysfs_xgmac_stats_attr = {
 783         .attr = {
 784                 .name = "xgmac_stats",
 785                 .mode = S_IRUSR,
 786         },
 787         .size = 0,
 788         .read = qla2x00_sysfs_read_xgmac_stats,
 789 };
 790
 791 static ssize_t
 792 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
 793                        struct bin_attribute *bin_attr,
 794                        char *buf, loff_t off, size_t count)
 795 {
 796         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 797             struct device, kobj)));
 798         struct qla_hw_data *ha = vha->hw;
 799         int rval;
 800         uint16_t actual_size;
 801
 802         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
 803                 return 0;
 804
 805         if (ha->dcbx_tlv)
 806                 goto do_read;
 807
 808         ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
 809             &ha->dcbx_tlv_dma, GFP_KERNEL);
 810         if (!ha->dcbx_tlv) {
 811                 ql_log(ql_log_warn, vha, 0x7078,
 812                     "Unable to allocate memory for DCBX TLV read-data.\n");
 813                 return -ENOMEM;
 814         }
 815
 816 do_read:
 817         actual_size = 0;
 818         memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
 819
 820         rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
 821             DCBX_TLV_DATA_SIZE);
 822         if (rval != QLA_SUCCESS) {
 823                 ql_log(ql_log_warn, vha, 0x7079,
 824                     "Unable to read DCBX TLV (%x).\n", rval);
 825                 return -EIO;
 826         }
 827
 828         memcpy(buf, ha->dcbx_tlv, count);
 829
 830         return count;
 831 }
 832
 833 static struct bin_attribute sysfs_dcbx_tlv_attr = {
 834         .attr = {
 835                 .name = "dcbx_tlv",
 836                 .mode = S_IRUSR,
 837         },
 838         .size = 0,
 839         .read = qla2x00_sysfs_read_dcbx_tlv,
 840 };
 841
 842 static struct sysfs_entry {
 843         char *name;
 844         struct bin_attribute *attr;
 845         int is4GBp_only;
 846 } bin_file_entries[] = {
 847         { "fw_dump", &sysfs_fw_dump_attr, },
 848         { "nvram", &sysfs_nvram_attr, },
 849         { "optrom", &sysfs_optrom_attr, },
 850         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
 851         { "vpd", &sysfs_vpd_attr, 1 },
 852         { "sfp", &sysfs_sfp_attr, 1 },
 853         { "reset", &sysfs_reset_attr, },
 854         { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
 855         { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
 856         { NULL },
 857 };
 858
 859 void
 860 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
 861 {
 862         struct Scsi_Host *host = vha->host;
 863         struct sysfs_entry *iter;
 864         int ret;
 865
 866         for (iter = bin_file_entries; iter->name; iter++) {
 867                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
 868                         continue;
 869                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
 870                         continue;
 871                 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
 872                         continue;
 873
 874                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
 875                     iter->attr);
 876                 if (ret)
 877                         ql_log(ql_log_warn, vha, 0x00f3,
 878                             "Unable to create sysfs %s binary attribute (%d).\n",
 879                             iter->name, ret);
 880                 else
 881                         ql_dbg(ql_dbg_init, vha, 0x00f4,
 882                             "Successfully created sysfs %s binary attribure.\n",
 883                             iter->name);
 884         }
 885 }
 886
 887 void
 888 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
 889 {
 890         struct Scsi_Host *host = vha->host;
 891         struct sysfs_entry *iter;
 892         struct qla_hw_data *ha = vha->hw;
 893
 894         for (iter = bin_file_entries; iter->name; iter++) {
 895                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
 896                         continue;
 897                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
 898                         continue;
 899                 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
 900                         continue;
 901
 902                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
 903                     iter->attr);
 904         }
 905
 906         if (stop_beacon && ha->beacon_blink_led == 1)
 907                 ha->isp_ops->beacon_off(vha);
 908 }
 909
 910 /* Scsi_Host attributes. */
 911
 912 static ssize_t
 913 qla2x00_drvr_version_show(struct device *dev,
 914                           struct device_attribute *attr, char *buf)
 915 {
 916         return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 917 }
 918
 919 static ssize_t
 920 qla2x00_fw_version_show(struct device *dev,
 921                         struct device_attribute *attr, char *buf)
 922 {
 923         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 924         struct qla_hw_data *ha = vha->hw;
 925         char fw_str[128];
 926
 927         return scnprintf(buf, PAGE_SIZE, "%s\n",
 928             ha->isp_ops->fw_version_str(vha, fw_str));
 929 }
 930
 931 static ssize_t
 932 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
 933                         char *buf)
 934 {
 935         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 936         struct qla_hw_data *ha = vha->hw;
 937         uint32_t sn;
 938
 939         if (IS_QLAFX00(vha->hw)) {
 940                 return scnprintf(buf, PAGE_SIZE, "%s\n",
 941                     vha->hw->mr.serial_num);
 942         } else if (IS_FWI2_CAPABLE(ha)) {
 943                 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
 944                 return strlen(strcat(buf, "\n"));
 945         }
 946
 947         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 948         return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 949             sn % 100000);
 950 }
 951
 952 static ssize_t
 953 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
 954                       char *buf)
 955 {
 956         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 957         return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
 958 }
 959
 960 static ssize_t
 961 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
 962                     char *buf)
 963 {
 964         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 965         struct qla_hw_data *ha = vha->hw;
 966
 967         if (IS_QLAFX00(vha->hw))
 968                 return scnprintf(buf, PAGE_SIZE, "%s\n",
 969                     vha->hw->mr.hw_version);
 970
 971         return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 972             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 973             ha->product_id[3]);
 974 }
 975
 976 static ssize_t
 977 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
 978                         char *buf)
 979 {
 980         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 981
 982         return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
 983 }
 984
 985 static ssize_t
 986 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
 987                         char *buf)
 988 {
 989         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 990         return scnprintf(buf, PAGE_SIZE, "%s\n",
 991             vha->hw->model_desc ? vha->hw->model_desc : "");
 992 }
 993
 994 static ssize_t
 995 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
 996                       char *buf)
 997 {
 998         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 999         char pci_info[30];
1000
1001         return scnprintf(buf, PAGE_SIZE, "%s\n",
1002             vha->hw->isp_ops->pci_info_str(vha, pci_info));
1003 }
1004
1005 static ssize_t
1006 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1007                         char *buf)
1008 {
1009         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1010         struct qla_hw_data *ha = vha->hw;
1011         int len = 0;
1012
1013         if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1014             atomic_read(&vha->loop_state) == LOOP_DEAD ||
1015             vha->device_flags & DFLG_NO_CABLE)
1016                 len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1017         else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1018             qla2x00_reset_active(vha))
1019                 len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1020         else {
1021                 len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1022
1023                 switch (ha->current_topology) {
1024                 case ISP_CFG_NL:
1025                         len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1026                         break;
1027                 case ISP_CFG_FL:
1028                         len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1029                         break;
1030                 case ISP_CFG_N:
1031                         len += scnprintf(buf + len, PAGE_SIZE-len,
1032                             "N_Port to N_Port\n");
1033                         break;
1034                 case ISP_CFG_F:
1035                         len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1036                         break;
1037                 default:
1038                         len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1039                         break;
1040                 }
1041         }
1042         return len;
1043 }
1044
1045 static ssize_t
1046 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1047                  char *buf)
1048 {
1049         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1050         int len = 0;
1051
1052         switch (vha->hw->zio_mode) {
1053         case QLA_ZIO_MODE_6:
1054                 len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1055                 break;
1056         case QLA_ZIO_DISABLED:
1057                 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1058                 break;
1059         }
1060         return len;
1061 }
1062
1063 static ssize_t
1064 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1065                   const char *buf, size_t count)
1066 {
1067         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1068         struct qla_hw_data *ha = vha->hw;
1069         int val = 0;
1070         uint16_t zio_mode;
1071
1072         if (!IS_ZIO_SUPPORTED(ha))
1073                 return -ENOTSUPP;
1074
1075         if (sscanf(buf, "%d", &val) != 1)
1076                 return -EINVAL;
1077
1078         if (val)
1079                 zio_mode = QLA_ZIO_MODE_6;
1080         else
1081                 zio_mode = QLA_ZIO_DISABLED;
1082
1083         /* Update per-hba values and queue a reset. */
1084         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1085                 ha->zio_mode = zio_mode;
1086                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1087         }
1088         return strlen(buf);
1089 }
1090
1091 static ssize_t
1092 qla2x00_zio_timer_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         return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1098 }
1099
1100 static ssize_t
1101 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1102                         const char *buf, size_t count)
1103 {
1104         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1105         int val = 0;
1106         uint16_t zio_timer;
1107
1108         if (sscanf(buf, "%d", &val) != 1)
1109                 return -EINVAL;
1110         if (val > 25500 || val < 100)
1111                 return -ERANGE;
1112
1113         zio_timer = (uint16_t)(val / 100);
1114         vha->hw->zio_timer = zio_timer;
1115
1116         return strlen(buf);
1117 }
1118
1119 static ssize_t
1120 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1121                     char *buf)
1122 {
1123         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1124         int len = 0;
1125
1126         if (vha->hw->beacon_blink_led)
1127                 len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1128         else
1129                 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1130         return len;
1131 }
1132
1133 static ssize_t
1134 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1135                      const char *buf, size_t count)
1136 {
1137         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1138         struct qla_hw_data *ha = vha->hw;
1139         int val = 0;
1140         int rval;
1141
1142         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1143                 return -EPERM;
1144
1145         if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1146                 ql_log(ql_log_warn, vha, 0x707a,
1147                     "Abort ISP active -- ignoring beacon request.\n");
1148                 return -EBUSY;
1149         }
1150
1151         if (sscanf(buf, "%d", &val) != 1)
1152                 return -EINVAL;
1153
1154         if (val)
1155                 rval = ha->isp_ops->beacon_on(vha);
1156         else
1157                 rval = ha->isp_ops->beacon_off(vha);
1158
1159         if (rval != QLA_SUCCESS)
1160                 count = 0;
1161
1162         return count;
1163 }
1164
1165 static ssize_t
1166 qla2x00_optrom_bios_version_show(struct device *dev,
1167                                  struct device_attribute *attr, char *buf)
1168 {
1169         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1170         struct qla_hw_data *ha = vha->hw;
1171         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1172             ha->bios_revision[0]);
1173 }
1174
1175 static ssize_t
1176 qla2x00_optrom_efi_version_show(struct device *dev,
1177                                 struct device_attribute *attr, char *buf)
1178 {
1179         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1180         struct qla_hw_data *ha = vha->hw;
1181         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1182             ha->efi_revision[0]);
1183 }
1184
1185 static ssize_t
1186 qla2x00_optrom_fcode_version_show(struct device *dev,
1187                                   struct device_attribute *attr, char *buf)
1188 {
1189         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1190         struct qla_hw_data *ha = vha->hw;
1191         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1192             ha->fcode_revision[0]);
1193 }
1194
1195 static ssize_t
1196 qla2x00_optrom_fw_version_show(struct device *dev,
1197                                struct device_attribute *attr, char *buf)
1198 {
1199         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1200         struct qla_hw_data *ha = vha->hw;
1201         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1202             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1203             ha->fw_revision[3]);
1204 }
1205
1206 static ssize_t
1207 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1208     struct device_attribute *attr, char *buf)
1209 {
1210         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1211         struct qla_hw_data *ha = vha->hw;
1212
1213         if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
1214                 return scnprintf(buf, PAGE_SIZE, "\n");
1215
1216         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1217             ha->gold_fw_version[0], ha->gold_fw_version[1],
1218             ha->gold_fw_version[2], ha->gold_fw_version[3]);
1219 }
1220
1221 static ssize_t
1222 qla2x00_total_isp_aborts_show(struct device *dev,
1223                               struct device_attribute *attr, char *buf)
1224 {
1225         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1226         return scnprintf(buf, PAGE_SIZE, "%d\n",
1227             vha->qla_stats.total_isp_aborts);
1228 }
1229
1230 static ssize_t
1231 qla24xx_84xx_fw_version_show(struct device *dev,
1232         struct device_attribute *attr, char *buf)
1233 {
1234         int rval = QLA_SUCCESS;
1235         uint16_t status[2] = {0, 0};
1236         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1237         struct qla_hw_data *ha = vha->hw;
1238
1239         if (!IS_QLA84XX(ha))
1240                 return scnprintf(buf, PAGE_SIZE, "\n");
1241
1242         if (ha->cs84xx->op_fw_version == 0)
1243                 rval = qla84xx_verify_chip(vha, status);
1244
1245         if ((rval == QLA_SUCCESS) && (status[0] == 0))
1246                 return scnprintf(buf, PAGE_SIZE, "%u\n",
1247                         (uint32_t)ha->cs84xx->op_fw_version);
1248
1249         return scnprintf(buf, PAGE_SIZE, "\n");
1250 }
1251
1252 static ssize_t
1253 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1254     char *buf)
1255 {
1256         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1257         struct qla_hw_data *ha = vha->hw;
1258
1259         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
1260                 return scnprintf(buf, PAGE_SIZE, "\n");
1261
1262         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1263             ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1264             ha->mpi_capabilities);
1265 }
1266
1267 static ssize_t
1268 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1269     char *buf)
1270 {
1271         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1272         struct qla_hw_data *ha = vha->hw;
1273
1274         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1275                 return scnprintf(buf, PAGE_SIZE, "\n");
1276
1277         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1278             ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1279 }
1280
1281 static ssize_t
1282 qla2x00_flash_block_size_show(struct device *dev,
1283                               struct device_attribute *attr, char *buf)
1284 {
1285         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1286         struct qla_hw_data *ha = vha->hw;
1287
1288         return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1289 }
1290
1291 static ssize_t
1292 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1293     char *buf)
1294 {
1295         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1296
1297         if (!IS_CNA_CAPABLE(vha->hw))
1298                 return scnprintf(buf, PAGE_SIZE, "\n");
1299
1300         return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1301 }
1302
1303 static ssize_t
1304 qla2x00_vn_port_mac_address_show(struct device *dev,
1305     struct device_attribute *attr, char *buf)
1306 {
1307         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1308
1309         if (!IS_CNA_CAPABLE(vha->hw))
1310                 return scnprintf(buf, PAGE_SIZE, "\n");
1311
1312         return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1313 }
1314
1315 static ssize_t
1316 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1317     char *buf)
1318 {
1319         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1320
1321         return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1322 }
1323
1324 static ssize_t
1325 qla2x00_thermal_temp_show(struct device *dev,
1326         struct device_attribute *attr, char *buf)
1327 {
1328         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1329         uint16_t temp = 0;
1330
1331         if (qla2x00_reset_active(vha)) {
1332                 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1333                 goto done;
1334         }
1335
1336         if (vha->hw->flags.eeh_busy) {
1337                 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1338                 goto done;
1339         }
1340
1341         if (qla2x00_get_thermal_temp(vha, &temp) == QLA_SUCCESS)
1342                 return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1343
1344 done:
1345         return scnprintf(buf, PAGE_SIZE, "\n");
1346 }
1347
1348 static ssize_t
1349 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1350     char *buf)
1351 {
1352         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1353         int rval = QLA_FUNCTION_FAILED;
1354         uint16_t state[5];
1355         uint32_t pstate;
1356
1357         if (IS_QLAFX00(vha->hw)) {
1358                 pstate = qlafx00_fw_state_show(dev, attr, buf);
1359                 return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1360         }
1361
1362         if (qla2x00_reset_active(vha))
1363                 ql_log(ql_log_warn, vha, 0x707c,
1364                     "ISP reset active.\n");
1365         else if (!vha->hw->flags.eeh_busy)
1366                 rval = qla2x00_get_firmware_state(vha, state);
1367         if (rval != QLA_SUCCESS)
1368                 memset(state, -1, sizeof(state));
1369
1370         return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x\n", state[0],
1371             state[1], state[2], state[3], state[4]);
1372 }
1373
1374 static ssize_t
1375 qla2x00_diag_requests_show(struct device *dev,
1376         struct device_attribute *attr, char *buf)
1377 {
1378         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1379
1380         if (!IS_BIDI_CAPABLE(vha->hw))
1381                 return scnprintf(buf, PAGE_SIZE, "\n");
1382
1383         return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1384 }
1385
1386 static ssize_t
1387 qla2x00_diag_megabytes_show(struct device *dev,
1388         struct device_attribute *attr, char *buf)
1389 {
1390         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1391
1392         if (!IS_BIDI_CAPABLE(vha->hw))
1393                 return scnprintf(buf, PAGE_SIZE, "\n");
1394
1395         return scnprintf(buf, PAGE_SIZE, "%llu\n",
1396             vha->bidi_stats.transfer_bytes >> 20);
1397 }
1398
1399 static ssize_t
1400 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1401         char *buf)
1402 {
1403         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1404         struct qla_hw_data *ha = vha->hw;
1405         uint32_t size;
1406
1407         if (!ha->fw_dumped)
1408                 size = 0;
1409         else if (IS_QLA82XX(ha))
1410                 size = ha->md_template_size + ha->md_dump_size;
1411         else
1412                 size = ha->fw_dump_len;
1413
1414         return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1415 }
1416
1417 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1418 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1419 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1420 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1421 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1422 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1423 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1424 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1425 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1426 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1427 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1428                    qla2x00_zio_timer_store);
1429 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1430                    qla2x00_beacon_store);
1431 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1432                    qla2x00_optrom_bios_version_show, NULL);
1433 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1434                    qla2x00_optrom_efi_version_show, NULL);
1435 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1436                    qla2x00_optrom_fcode_version_show, NULL);
1437 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1438                    NULL);
1439 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1440     qla2x00_optrom_gold_fw_version_show, NULL);
1441 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1442                    NULL);
1443 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1444                    NULL);
1445 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1446 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1447 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1448                    NULL);
1449 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1450 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1451                    qla2x00_vn_port_mac_address_show, NULL);
1452 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1453 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1454 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1455 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1456 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1457 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1458
1459 struct device_attribute *qla2x00_host_attrs[] = {
1460         &dev_attr_driver_version,
1461         &dev_attr_fw_version,
1462         &dev_attr_serial_num,
1463         &dev_attr_isp_name,
1464         &dev_attr_isp_id,
1465         &dev_attr_model_name,
1466         &dev_attr_model_desc,
1467         &dev_attr_pci_info,
1468         &dev_attr_link_state,
1469         &dev_attr_zio,
1470         &dev_attr_zio_timer,
1471         &dev_attr_beacon,
1472         &dev_attr_optrom_bios_version,
1473         &dev_attr_optrom_efi_version,
1474         &dev_attr_optrom_fcode_version,
1475         &dev_attr_optrom_fw_version,
1476         &dev_attr_84xx_fw_version,
1477         &dev_attr_total_isp_aborts,
1478         &dev_attr_mpi_version,
1479         &dev_attr_phy_version,
1480         &dev_attr_flash_block_size,
1481         &dev_attr_vlan_id,
1482         &dev_attr_vn_port_mac_address,
1483         &dev_attr_fabric_param,
1484         &dev_attr_fw_state,
1485         &dev_attr_optrom_gold_fw_version,
1486         &dev_attr_thermal_temp,
1487         &dev_attr_diag_requests,
1488         &dev_attr_diag_megabytes,
1489         &dev_attr_fw_dump_size,
1490         NULL,
1491 };
1492
1493 /* Host attributes. */
1494
1495 static void
1496 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1497 {
1498         scsi_qla_host_t *vha = shost_priv(shost);
1499
1500         fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1501             vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1502 }
1503
1504 static void
1505 qla2x00_get_host_speed(struct Scsi_Host *shost)
1506 {
1507         struct qla_hw_data *ha = ((struct scsi_qla_host *)
1508                                         (shost_priv(shost)))->hw;
1509         u32 speed = FC_PORTSPEED_UNKNOWN;
1510
1511         if (IS_QLAFX00(ha)) {
1512                 qlafx00_get_host_speed(shost);
1513                 return;
1514         }
1515
1516         switch (ha->link_data_rate) {
1517         case PORT_SPEED_1GB:
1518                 speed = FC_PORTSPEED_1GBIT;
1519                 break;
1520         case PORT_SPEED_2GB:
1521                 speed = FC_PORTSPEED_2GBIT;
1522                 break;
1523         case PORT_SPEED_4GB:
1524                 speed = FC_PORTSPEED_4GBIT;
1525                 break;
1526         case PORT_SPEED_8GB:
1527                 speed = FC_PORTSPEED_8GBIT;
1528                 break;
1529         case PORT_SPEED_10GB:
1530                 speed = FC_PORTSPEED_10GBIT;
1531                 break;
1532         case PORT_SPEED_16GB:
1533                 speed = FC_PORTSPEED_16GBIT;
1534                 break;
1535         }
1536         fc_host_speed(shost) = speed;
1537 }
1538
1539 static void
1540 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1541 {
1542         scsi_qla_host_t *vha = shost_priv(shost);
1543         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1544
1545         if (vha->vp_idx) {
1546                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1547                 return;
1548         }
1549         switch (vha->hw->current_topology) {
1550         case ISP_CFG_NL:
1551                 port_type = FC_PORTTYPE_LPORT;
1552                 break;
1553         case ISP_CFG_FL:
1554                 port_type = FC_PORTTYPE_NLPORT;
1555                 break;
1556         case ISP_CFG_N:
1557                 port_type = FC_PORTTYPE_PTP;
1558                 break;
1559         case ISP_CFG_F:
1560                 port_type = FC_PORTTYPE_NPORT;
1561                 break;
1562         }
1563         fc_host_port_type(shost) = port_type;
1564 }
1565
1566 static void
1567 qla2x00_get_starget_node_name(struct scsi_target *starget)
1568 {
1569         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1570         scsi_qla_host_t *vha = shost_priv(host);
1571         fc_port_t *fcport;
1572         u64 node_name = 0;
1573
1574         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1575                 if (fcport->rport &&
1576                     starget->id == fcport->rport->scsi_target_id) {
1577                         node_name = wwn_to_u64(fcport->node_name);
1578                         break;
1579                 }
1580         }
1581
1582         fc_starget_node_name(starget) = node_name;
1583 }
1584
1585 static void
1586 qla2x00_get_starget_port_name(struct scsi_target *starget)
1587 {
1588         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1589         scsi_qla_host_t *vha = shost_priv(host);
1590         fc_port_t *fcport;
1591         u64 port_name = 0;
1592
1593         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1594                 if (fcport->rport &&
1595                     starget->id == fcport->rport->scsi_target_id) {
1596                         port_name = wwn_to_u64(fcport->port_name);
1597                         break;
1598                 }
1599         }
1600
1601         fc_starget_port_name(starget) = port_name;
1602 }
1603
1604 static void
1605 qla2x00_get_starget_port_id(struct scsi_target *starget)
1606 {
1607         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1608         scsi_qla_host_t *vha = shost_priv(host);
1609         fc_port_t *fcport;
1610         uint32_t port_id = ~0U;
1611
1612         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1613                 if (fcport->rport &&
1614                     starget->id == fcport->rport->scsi_target_id) {
1615                         port_id = fcport->d_id.b.domain << 16 |
1616                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1617                         break;
1618                 }
1619         }
1620
1621         fc_starget_port_id(starget) = port_id;
1622 }
1623
1624 static void
1625 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1626 {
1627         if (timeout)
1628                 rport->dev_loss_tmo = timeout;
1629         else
1630                 rport->dev_loss_tmo = 1;
1631 }
1632
1633 static void
1634 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1635 {
1636         struct Scsi_Host *host = rport_to_shost(rport);
1637         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1638         unsigned long flags;
1639
1640         if (!fcport)
1641                 return;
1642
1643         /* Now that the rport has been deleted, set the fcport state to
1644            FCS_DEVICE_DEAD */
1645         qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1646
1647         /*
1648          * Transport has effectively 'deleted' the rport, clear
1649          * all local references.
1650          */
1651         spin_lock_irqsave(host->host_lock, flags);
1652         fcport->rport = fcport->drport = NULL;
1653         *((fc_port_t **)rport->dd_data) = NULL;
1654         spin_unlock_irqrestore(host->host_lock, flags);
1655
1656         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1657                 return;
1658
1659         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1660                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1661                 return;
1662         }
1663 }
1664
1665 static void
1666 qla2x00_terminate_rport_io(struct fc_rport *rport)
1667 {
1668         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1669
1670         if (!fcport)
1671                 return;
1672
1673         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1674                 return;
1675
1676         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1677                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1678                 return;
1679         }
1680         /*
1681          * At this point all fcport's software-states are cleared.  Perform any
1682          * final cleanup of firmware resources (PCBs and XCBs).
1683          */
1684         if (fcport->loop_id != FC_NO_LOOP_ID) {
1685                 if (IS_FWI2_CAPABLE(fcport->vha->hw))
1686                         fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1687                             fcport->loop_id, fcport->d_id.b.domain,
1688                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1689                 else
1690                         qla2x00_port_logout(fcport->vha, fcport);
1691         }
1692 }
1693
1694 static int
1695 qla2x00_issue_lip(struct Scsi_Host *shost)
1696 {
1697         scsi_qla_host_t *vha = shost_priv(shost);
1698
1699         if (IS_QLAFX00(vha->hw))
1700                 return 0;
1701
1702         qla2x00_loop_reset(vha);
1703         return 0;
1704 }
1705
1706 static struct fc_host_statistics *
1707 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1708 {
1709         scsi_qla_host_t *vha = shost_priv(shost);
1710         struct qla_hw_data *ha = vha->hw;
1711         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1712         int rval;
1713         struct link_statistics *stats;
1714         dma_addr_t stats_dma;
1715         struct fc_host_statistics *pfc_host_stat;
1716
1717         pfc_host_stat = &vha->fc_host_stat;
1718         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1719
1720         if (IS_QLAFX00(vha->hw))
1721                 goto done;
1722
1723         if (test_bit(UNLOADING, &vha->dpc_flags))
1724                 goto done;
1725
1726         if (unlikely(pci_channel_offline(ha->pdev)))
1727                 goto done;
1728
1729         if (qla2x00_reset_active(vha))
1730                 goto done;
1731
1732         stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1733         if (stats == NULL) {
1734                 ql_log(ql_log_warn, vha, 0x707d,
1735                     "Failed to allocate memory for stats.\n");
1736                 goto done;
1737         }
1738         memset(stats, 0, DMA_POOL_SIZE);
1739
1740         rval = QLA_FUNCTION_FAILED;
1741         if (IS_FWI2_CAPABLE(ha)) {
1742                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1743         } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1744             !ha->dpc_active) {
1745                 /* Must be in a 'READY' state for statistics retrieval. */
1746                 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1747                                                 stats, stats_dma);
1748         }
1749
1750         if (rval != QLA_SUCCESS)
1751                 goto done_free;
1752
1753         pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1754         pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1755         pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1756         pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1757         pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1758         pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1759         if (IS_FWI2_CAPABLE(ha)) {
1760                 pfc_host_stat->lip_count = stats->lip_cnt;
1761                 pfc_host_stat->tx_frames = stats->tx_frames;
1762                 pfc_host_stat->rx_frames = stats->rx_frames;
1763                 pfc_host_stat->dumped_frames = stats->discarded_frames;
1764                 pfc_host_stat->nos_count = stats->nos_rcvd;
1765                 pfc_host_stat->error_frames =
1766                         stats->dropped_frames + stats->discarded_frames;
1767                 pfc_host_stat->rx_words = vha->qla_stats.input_bytes;
1768                 pfc_host_stat->tx_words = vha->qla_stats.output_bytes;
1769         }
1770         pfc_host_stat->fcp_control_requests = vha->qla_stats.control_requests;
1771         pfc_host_stat->fcp_input_requests = vha->qla_stats.input_requests;
1772         pfc_host_stat->fcp_output_requests = vha->qla_stats.output_requests;
1773         pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1774         pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1775         pfc_host_stat->seconds_since_last_reset =
1776                 get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
1777         do_div(pfc_host_stat->seconds_since_last_reset, HZ);
1778
1779 done_free:
1780         dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1781 done:
1782         return pfc_host_stat;
1783 }
1784
1785 static void
1786 qla2x00_reset_host_stats(struct Scsi_Host *shost)
1787 {
1788         scsi_qla_host_t *vha = shost_priv(shost);
1789
1790         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1791
1792         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1793 }
1794
1795 static void
1796 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1797 {
1798         scsi_qla_host_t *vha = shost_priv(shost);
1799
1800         qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost));
1801 }
1802
1803 static void
1804 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1805 {
1806         scsi_qla_host_t *vha = shost_priv(shost);
1807
1808         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1809 }
1810
1811 static void
1812 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1813 {
1814         scsi_qla_host_t *vha = shost_priv(shost);
1815         uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1816                 0xFF, 0xFF, 0xFF, 0xFF};
1817         u64 fabric_name = wwn_to_u64(node_name);
1818
1819         if (vha->device_flags & SWITCH_FOUND)
1820                 fabric_name = wwn_to_u64(vha->fabric_node_name);
1821
1822         fc_host_fabric_name(shost) = fabric_name;
1823 }
1824
1825 static void
1826 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1827 {
1828         scsi_qla_host_t *vha = shost_priv(shost);
1829         struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1830
1831         if (!base_vha->flags.online) {
1832                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1833                 return;
1834         }
1835
1836         switch (atomic_read(&base_vha->loop_state)) {
1837         case LOOP_UPDATE:
1838                 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1839                 break;
1840         case LOOP_DOWN:
1841                 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1842                         fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1843                 else
1844                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1845                 break;
1846         case LOOP_DEAD:
1847                 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1848                 break;
1849         case LOOP_READY:
1850                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1851                 break;
1852         default:
1853                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1854                 break;
1855         }
1856 }
1857
1858 static int
1859 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1860 {
1861         int     ret = 0;
1862         uint8_t qos = 0;
1863         scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1864         scsi_qla_host_t *vha = NULL;
1865         struct qla_hw_data *ha = base_vha->hw;
1866         uint16_t options = 0;
1867         int     cnt;
1868         struct req_que *req = ha->req_q_map[0];
1869
1870         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
1871         if (ret) {
1872                 ql_log(ql_log_warn, vha, 0x707e,
1873                     "Vport sanity check failed, status %x\n", ret);
1874                 return (ret);
1875         }
1876
1877         vha = qla24xx_create_vhost(fc_vport);
1878         if (vha == NULL) {
1879                 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
1880                 return FC_VPORT_FAILED;
1881         }
1882         if (disable) {
1883                 atomic_set(&vha->vp_state, VP_OFFLINE);
1884                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
1885         } else
1886                 atomic_set(&vha->vp_state, VP_FAILED);
1887
1888         /* ready to create vport */
1889         ql_log(ql_log_info, vha, 0x7080,
1890             "VP entry id %d assigned.\n", vha->vp_idx);
1891
1892         /* initialized vport states */
1893         atomic_set(&vha->loop_state, LOOP_DOWN);
1894         vha->vp_err_state=  VP_ERR_PORTDWN;
1895         vha->vp_prev_err_state=  VP_ERR_UNKWN;
1896         /* Check if physical ha port is Up */
1897         if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
1898             atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1899                 /* Don't retry or attempt login of this virtual port */
1900                 ql_dbg(ql_dbg_user, vha, 0x7081,
1901                     "Vport loop state is not UP.\n");
1902                 atomic_set(&vha->loop_state, LOOP_DEAD);
1903                 if (!disable)
1904                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
1905         }
1906
1907         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
1908                 if (ha->fw_attributes & BIT_4) {
1909                         int prot = 0, guard;
1910                         vha->flags.difdix_supported = 1;
1911                         ql_dbg(ql_dbg_user, vha, 0x7082,
1912                             "Registered for DIF/DIX type 1 and 3 protection.\n");
1913                         if (ql2xenabledif == 1)
1914                                 prot = SHOST_DIX_TYPE0_PROTECTION;
1915                         scsi_host_set_prot(vha->host,
1916                             prot | SHOST_DIF_TYPE1_PROTECTION
1917                             | SHOST_DIF_TYPE2_PROTECTION
1918                             | SHOST_DIF_TYPE3_PROTECTION
1919                             | SHOST_DIX_TYPE1_PROTECTION
1920                             | SHOST_DIX_TYPE2_PROTECTION
1921                             | SHOST_DIX_TYPE3_PROTECTION);
1922
1923                         guard = SHOST_DIX_GUARD_CRC;
1924
1925                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
1926                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
1927                                 guard |= SHOST_DIX_GUARD_IP;
1928
1929                         scsi_host_set_guard(vha->host, guard);
1930                 } else
1931                         vha->flags.difdix_supported = 0;
1932         }
1933
1934         if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
1935                                    &ha->pdev->dev)) {
1936                 ql_dbg(ql_dbg_user, vha, 0x7083,
1937                     "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
1938                 goto vport_create_failed_2;
1939         }
1940
1941         /* initialize attributes */
1942         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
1943         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1944         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1945         fc_host_supported_classes(vha->host) =
1946                 fc_host_supported_classes(base_vha->host);
1947         fc_host_supported_speeds(vha->host) =
1948                 fc_host_supported_speeds(base_vha->host);
1949
1950         qlt_vport_create(vha, ha);
1951         qla24xx_vport_disable(fc_vport, disable);
1952
1953         if (ha->flags.cpu_affinity_enabled) {
1954                 req = ha->req_q_map[1];
1955                 ql_dbg(ql_dbg_multiq, vha, 0xc000,
1956                     "Request queue %p attached with "
1957                     "VP[%d], cpu affinity =%d\n",
1958                     req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
1959                 goto vport_queue;
1960         } else if (ql2xmaxqueues == 1 || !ha->npiv_info)
1961                 goto vport_queue;
1962         /* Create a request queue in QoS mode for the vport */
1963         for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
1964                 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
1965                         && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
1966                                         8) == 0) {
1967                         qos = ha->npiv_info[cnt].q_qos;
1968                         break;
1969                 }
1970         }
1971
1972         if (qos) {
1973                 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
1974                         qos);
1975                 if (!ret)
1976                         ql_log(ql_log_warn, vha, 0x7084,
1977                             "Can't create request queue for VP[%d]\n",
1978                             vha->vp_idx);
1979                 else {
1980                         ql_dbg(ql_dbg_multiq, vha, 0xc001,
1981                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
1982                             ret, qos, vha->vp_idx);
1983                         ql_dbg(ql_dbg_user, vha, 0x7085,
1984                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
1985                             ret, qos, vha->vp_idx);
1986                         req = ha->req_q_map[ret];
1987                 }
1988         }
1989
1990 vport_queue:
1991         vha->req = req;
1992         return 0;
1993
1994 vport_create_failed_2:
1995         qla24xx_disable_vp(vha);
1996         qla24xx_deallocate_vp_id(vha);
1997         scsi_host_put(vha->host);
1998         return FC_VPORT_FAILED;
1999 }
2000
2001 static int
2002 qla24xx_vport_delete(struct fc_vport *fc_vport)
2003 {
2004         scsi_qla_host_t *vha = fc_vport->dd_data;
2005         struct qla_hw_data *ha = vha->hw;
2006         uint16_t id = vha->vp_idx;
2007
2008         while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
2009             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
2010                 msleep(1000);
2011
2012         qla24xx_disable_vp(vha);
2013
2014         vha->flags.delete_progress = 1;
2015
2016         qlt_remove_target(ha, vha);
2017
2018         fc_remove_host(vha->host);
2019
2020         scsi_remove_host(vha->host);
2021
2022         /* Allow timer to run to drain queued items, when removing vp */
2023         qla24xx_deallocate_vp_id(vha);
2024
2025         if (vha->timer_active) {
2026                 qla2x00_vp_stop_timer(vha);
2027                 ql_dbg(ql_dbg_user, vha, 0x7086,
2028                     "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2029         }
2030
2031         BUG_ON(atomic_read(&vha->vref_count));
2032
2033         qla2x00_free_fcports(vha);
2034
2035         mutex_lock(&ha->vport_lock);
2036         ha->cur_vport_count--;
2037         clear_bit(vha->vp_idx, ha->vp_idx_map);
2038         mutex_unlock(&ha->vport_lock);
2039
2040         if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
2041                 if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
2042                         ql_log(ql_log_warn, vha, 0x7087,
2043                             "Queue delete failed.\n");
2044         }
2045
2046         ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2047         scsi_host_put(vha->host);
2048         return 0;
2049 }
2050
2051 static int
2052 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2053 {
2054         scsi_qla_host_t *vha = fc_vport->dd_data;
2055
2056         if (disable)
2057                 qla24xx_disable_vp(vha);
2058         else
2059                 qla24xx_enable_vp(vha);
2060
2061         return 0;
2062 }
2063
2064 struct fc_function_template qla2xxx_transport_functions = {
2065
2066         .show_host_node_name = 1,
2067         .show_host_port_name = 1,
2068         .show_host_supported_classes = 1,
2069         .show_host_supported_speeds = 1,
2070
2071         .get_host_port_id = qla2x00_get_host_port_id,
2072         .show_host_port_id = 1,
2073         .get_host_speed = qla2x00_get_host_speed,
2074         .show_host_speed = 1,
2075         .get_host_port_type = qla2x00_get_host_port_type,
2076         .show_host_port_type = 1,
2077         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2078         .show_host_symbolic_name = 1,
2079         .set_host_system_hostname = qla2x00_set_host_system_hostname,
2080         .show_host_system_hostname = 1,
2081         .get_host_fabric_name = qla2x00_get_host_fabric_name,
2082         .show_host_fabric_name = 1,
2083         .get_host_port_state = qla2x00_get_host_port_state,
2084         .show_host_port_state = 1,
2085
2086         .dd_fcrport_size = sizeof(struct fc_port *),
2087         .show_rport_supported_classes = 1,
2088
2089         .get_starget_node_name = qla2x00_get_starget_node_name,
2090         .show_starget_node_name = 1,
2091         .get_starget_port_name = qla2x00_get_starget_port_name,
2092         .show_starget_port_name = 1,
2093         .get_starget_port_id  = qla2x00_get_starget_port_id,
2094         .show_starget_port_id = 1,
2095
2096         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2097         .show_rport_dev_loss_tmo = 1,
2098
2099         .issue_fc_host_lip = qla2x00_issue_lip,
2100         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2101         .terminate_rport_io = qla2x00_terminate_rport_io,
2102         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2103         .reset_fc_host_stats = qla2x00_reset_host_stats,
2104
2105         .vport_create = qla24xx_vport_create,
2106         .vport_disable = qla24xx_vport_disable,
2107         .vport_delete = qla24xx_vport_delete,
2108         .bsg_request = qla24xx_bsg_request,
2109         .bsg_timeout = qla24xx_bsg_timeout,
2110 };
2111
2112 struct fc_function_template qla2xxx_transport_vport_functions = {
2113
2114         .show_host_node_name = 1,
2115         .show_host_port_name = 1,
2116         .show_host_supported_classes = 1,
2117
2118         .get_host_port_id = qla2x00_get_host_port_id,
2119         .show_host_port_id = 1,
2120         .get_host_speed = qla2x00_get_host_speed,
2121         .show_host_speed = 1,
2122         .get_host_port_type = qla2x00_get_host_port_type,
2123         .show_host_port_type = 1,
2124         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2125         .show_host_symbolic_name = 1,
2126         .set_host_system_hostname = qla2x00_set_host_system_hostname,
2127         .show_host_system_hostname = 1,
2128         .get_host_fabric_name = qla2x00_get_host_fabric_name,
2129         .show_host_fabric_name = 1,
2130         .get_host_port_state = qla2x00_get_host_port_state,
2131         .show_host_port_state = 1,
2132
2133         .dd_fcrport_size = sizeof(struct fc_port *),
2134         .show_rport_supported_classes = 1,
2135
2136         .get_starget_node_name = qla2x00_get_starget_node_name,
2137         .show_starget_node_name = 1,
2138         .get_starget_port_name = qla2x00_get_starget_port_name,
2139         .show_starget_port_name = 1,
2140         .get_starget_port_id  = qla2x00_get_starget_port_id,
2141         .show_starget_port_id = 1,
2142
2143         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2144         .show_rport_dev_loss_tmo = 1,
2145
2146         .issue_fc_host_lip = qla2x00_issue_lip,
2147         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2148         .terminate_rport_io = qla2x00_terminate_rport_io,
2149         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2150         .reset_fc_host_stats = qla2x00_reset_host_stats,
2151
2152         .bsg_request = qla24xx_bsg_request,
2153         .bsg_timeout = qla24xx_bsg_timeout,
2154 };
2155
2156 void
2157 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2158 {
2159         struct qla_hw_data *ha = vha->hw;
2160         u32 speed = FC_PORTSPEED_UNKNOWN;
2161
2162         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2163         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2164         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2165         fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
2166                         (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2167         fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2168         fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2169
2170         if (IS_CNA_CAPABLE(ha))
2171                 speed = FC_PORTSPEED_10GBIT;
2172         else if (IS_QLA2031(ha))
2173                 speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2174                     FC_PORTSPEED_4GBIT;
2175         else if (IS_QLA25XX(ha))
2176                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2177                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2178         else if (IS_QLA24XX_TYPE(ha))
2179                 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2180                     FC_PORTSPEED_1GBIT;
2181         else if (IS_QLA23XX(ha))
2182                 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2183         else if (IS_QLAFX00(ha))
2184                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2185                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2186         else
2187                 speed = FC_PORTSPEED_1GBIT;
2188         fc_host_supported_speeds(vha->host) = speed;
2189 }