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
 245         if (ha->optrom_state != QLA_SREADING)
 246                 return 0;
 247
 248         return memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
 249                                         ha->optrom_region_size);
 250 }
 251
 252 static ssize_t
 253 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
 254                            struct bin_attribute *bin_attr,
 255                            char *buf, loff_t off, size_t count)
 256 {
 257         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 258             struct device, kobj)));
 259         struct qla_hw_data *ha = vha->hw;
 260
 261         if (ha->optrom_state != QLA_SWRITING)
 262                 return -EINVAL;
 263         if (off > ha->optrom_region_size)
 264                 return -ERANGE;
 265         if (off + count > ha->optrom_region_size)
 266                 count = ha->optrom_region_size - off;
 267
 268         memcpy(&ha->optrom_buffer[off], buf, count);
 269
 270         return count;
 271 }
 272
 273 static struct bin_attribute sysfs_optrom_attr = {
 274         .attr = {
 275                 .name = "optrom",
 276                 .mode = S_IRUSR | S_IWUSR,
 277         },
 278         .size = 0,
 279         .read = qla2x00_sysfs_read_optrom,
 280         .write = qla2x00_sysfs_write_optrom,
 281 };
 282
 283 static ssize_t
 284 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 285                                struct bin_attribute *bin_attr,
 286                                char *buf, loff_t off, size_t count)
 287 {
 288         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 289             struct device, kobj)));
 290         struct qla_hw_data *ha = vha->hw;
 291
 292         uint32_t start = 0;
 293         uint32_t size = ha->optrom_size;
 294         int val, valid;
 295
 296         if (off)
 297                 return -EINVAL;
 298
 299         if (unlikely(pci_channel_offline(ha->pdev)))
 300                 return -EAGAIN;
 301
 302         if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
 303                 return -EINVAL;
 304         if (start > ha->optrom_size)
 305                 return -EINVAL;
 306
 307         switch (val) {
 308         case 0:
 309                 if (ha->optrom_state != QLA_SREADING &&
 310                     ha->optrom_state != QLA_SWRITING)
 311                         return -EINVAL;
 312
 313                 ha->optrom_state = QLA_SWAITING;
 314
 315                 ql_dbg(ql_dbg_user, vha, 0x7061,
 316                     "Freeing flash region allocation -- 0x%x bytes.\n",
 317                     ha->optrom_region_size);
 318
 319                 vfree(ha->optrom_buffer);
 320                 ha->optrom_buffer = NULL;
 321                 break;
 322         case 1:
 323                 if (ha->optrom_state != QLA_SWAITING)
 324                         return -EINVAL;
 325
 326                 ha->optrom_region_start = start;
 327                 ha->optrom_region_size = start + size > ha->optrom_size ?
 328                     ha->optrom_size - start : size;
 329
 330                 ha->optrom_state = QLA_SREADING;
 331                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
 332                 if (ha->optrom_buffer == NULL) {
 333                         ql_log(ql_log_warn, vha, 0x7062,
 334                             "Unable to allocate memory for optrom retrieval "
 335                             "(%x).\n", ha->optrom_region_size);
 336
 337                         ha->optrom_state = QLA_SWAITING;
 338                         return -ENOMEM;
 339                 }
 340
 341                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 342                         ql_log(ql_log_warn, vha, 0x7063,
 343                             "HBA not online, failing NVRAM update.\n");
 344                         return -EAGAIN;
 345                 }
 346
 347                 ql_dbg(ql_dbg_user, vha, 0x7064,
 348                     "Reading flash region -- 0x%x/0x%x.\n",
 349                     ha->optrom_region_start, ha->optrom_region_size);
 350
 351                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
 352                 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
 353                     ha->optrom_region_start, ha->optrom_region_size);
 354                 break;
 355         case 2:
 356                 if (ha->optrom_state != QLA_SWAITING)
 357                         return -EINVAL;
 358
 359                 /*
 360                  * We need to be more restrictive on which FLASH regions are
 361                  * allowed to be updated via user-space.  Regions accessible
 362                  * via this method include:
 363                  *
 364                  * ISP21xx/ISP22xx/ISP23xx type boards:
 365                  *
 366                  *      0x000000 -> 0x020000 -- Boot code.
 367                  *
 368                  * ISP2322/ISP24xx type boards:
 369                  *
 370                  *      0x000000 -> 0x07ffff -- Boot code.
 371                  *      0x080000 -> 0x0fffff -- Firmware.
 372                  *
 373                  * ISP25xx type boards:
 374                  *
 375                  *      0x000000 -> 0x07ffff -- Boot code.
 376                  *      0x080000 -> 0x0fffff -- Firmware.
 377                  *      0x120000 -> 0x12ffff -- VPD and HBA parameters.
 378                  */
 379                 valid = 0;
 380                 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
 381                         valid = 1;
 382                 else if (start == (ha->flt_region_boot * 4) ||
 383                     start == (ha->flt_region_fw * 4))
 384                         valid = 1;
 385                 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)
 386                         || IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
 387                         valid = 1;
 388                 if (!valid) {
 389                         ql_log(ql_log_warn, vha, 0x7065,
 390                             "Invalid start region 0x%x/0x%x.\n", start, size);
 391                         return -EINVAL;
 392                 }
 393
 394                 ha->optrom_region_start = start;
 395                 ha->optrom_region_size = start + size > ha->optrom_size ?
 396                     ha->optrom_size - start : size;
 397
 398                 ha->optrom_state = QLA_SWRITING;
 399                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
 400                 if (ha->optrom_buffer == NULL) {
 401                         ql_log(ql_log_warn, vha, 0x7066,
 402                             "Unable to allocate memory for optrom update "
 403                             "(%x)\n", ha->optrom_region_size);
 404
 405                         ha->optrom_state = QLA_SWAITING;
 406                         return -ENOMEM;
 407                 }
 408
 409                 ql_dbg(ql_dbg_user, vha, 0x7067,
 410                     "Staging flash region write -- 0x%x/0x%x.\n",
 411                     ha->optrom_region_start, ha->optrom_region_size);
 412
 413                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
 414                 break;
 415         case 3:
 416                 if (ha->optrom_state != QLA_SWRITING)
 417                         return -EINVAL;
 418
 419                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 420                         ql_log(ql_log_warn, vha, 0x7068,
 421                             "HBA not online, failing flash update.\n");
 422                         return -EAGAIN;
 423                 }
 424
 425                 ql_dbg(ql_dbg_user, vha, 0x7069,
 426                     "Writing flash region -- 0x%x/0x%x.\n",
 427                     ha->optrom_region_start, ha->optrom_region_size);
 428
 429                 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
 430                     ha->optrom_region_start, ha->optrom_region_size);
 431                 break;
 432         default:
 433                 return -EINVAL;
 434         }
 435         return count;
 436 }
 437
 438 static struct bin_attribute sysfs_optrom_ctl_attr = {
 439         .attr = {
 440                 .name = "optrom_ctl",
 441                 .mode = S_IWUSR,
 442         },
 443         .size = 0,
 444         .write = qla2x00_sysfs_write_optrom_ctl,
 445 };
 446
 447 static ssize_t
 448 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
 449                        struct bin_attribute *bin_attr,
 450                        char *buf, loff_t off, size_t count)
 451 {
 452         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 453             struct device, kobj)));
 454         struct qla_hw_data *ha = vha->hw;
 455
 456         if (unlikely(pci_channel_offline(ha->pdev)))
 457                 return -EAGAIN;
 458
 459         if (!capable(CAP_SYS_ADMIN))
 460                 return -EINVAL;
 461
 462         if (IS_NOCACHE_VPD_TYPE(ha))
 463                 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
 464                     ha->vpd_size);
 465         return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
 466 }
 467
 468 static ssize_t
 469 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
 470                         struct bin_attribute *bin_attr,
 471                         char *buf, loff_t off, size_t count)
 472 {
 473         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 474             struct device, kobj)));
 475         struct qla_hw_data *ha = vha->hw;
 476         uint8_t *tmp_data;
 477
 478         if (unlikely(pci_channel_offline(ha->pdev)))
 479                 return 0;
 480
 481         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
 482             !ha->isp_ops->write_nvram)
 483                 return 0;
 484
 485         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 486                 ql_log(ql_log_warn, vha, 0x706a,
 487                     "HBA not online, failing VPD update.\n");
 488                 return -EAGAIN;
 489         }
 490
 491         /* Write NVRAM. */
 492         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
 493         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
 494
 495         /* Update flash version information for 4Gb & above. */
 496         if (!IS_FWI2_CAPABLE(ha))
 497                 return -EINVAL;
 498
 499         tmp_data = vmalloc(256);
 500         if (!tmp_data) {
 501                 ql_log(ql_log_warn, vha, 0x706b,
 502                     "Unable to allocate memory for VPD information update.\n");
 503                 return -ENOMEM;
 504         }
 505         ha->isp_ops->get_flash_version(vha, tmp_data);
 506         vfree(tmp_data);
 507
 508         return count;
 509 }
 510
 511 static struct bin_attribute sysfs_vpd_attr = {
 512         .attr = {
 513                 .name = "vpd",
 514                 .mode = S_IRUSR | S_IWUSR,
 515         },
 516         .size = 0,
 517         .read = qla2x00_sysfs_read_vpd,
 518         .write = qla2x00_sysfs_write_vpd,
 519 };
 520
 521 static ssize_t
 522 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
 523                        struct bin_attribute *bin_attr,
 524                        char *buf, loff_t off, size_t count)
 525 {
 526         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 527             struct device, kobj)));
 528         struct qla_hw_data *ha = vha->hw;
 529         uint16_t iter, addr, offset;
 530         int rval;
 531
 532         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
 533                 return 0;
 534
 535         if (ha->sfp_data)
 536                 goto do_read;
 537
 538         ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
 539             &ha->sfp_data_dma);
 540         if (!ha->sfp_data) {
 541                 ql_log(ql_log_warn, vha, 0x706c,
 542                     "Unable to allocate memory for SFP read-data.\n");
 543                 return 0;
 544         }
 545
 546 do_read:
 547         memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
 548         addr = 0xa0;
 549         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
 550             iter++, offset += SFP_BLOCK_SIZE) {
 551                 if (iter == 4) {
 552                         /* Skip to next device address. */
 553                         addr = 0xa2;
 554                         offset = 0;
 555                 }
 556
 557                 rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
 558                     addr, offset, SFP_BLOCK_SIZE, 0);
 559                 if (rval != QLA_SUCCESS) {
 560                         ql_log(ql_log_warn, vha, 0x706d,
 561                             "Unable to read SFP data (%x/%x/%x).\n", rval,
 562                             addr, offset);
 563
 564                         return -EIO;
 565                 }
 566                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 567                 buf += SFP_BLOCK_SIZE;
 568         }
 569
 570         return count;
 571 }
 572
 573 static struct bin_attribute sysfs_sfp_attr = {
 574         .attr = {
 575                 .name = "sfp",
 576                 .mode = S_IRUSR | S_IWUSR,
 577         },
 578         .size = SFP_DEV_SIZE * 2,
 579         .read = qla2x00_sysfs_read_sfp,
 580 };
 581
 582 static ssize_t
 583 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
 584                         struct bin_attribute *bin_attr,
 585                         char *buf, loff_t off, size_t count)
 586 {
 587         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 588             struct device, kobj)));
 589         struct qla_hw_data *ha = vha->hw;
 590         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 591         int type;
 592         uint32_t idc_control;
 593         uint8_t *tmp_data = NULL;
 594         if (off != 0)
 595                 return -EINVAL;
 596
 597         type = simple_strtol(buf, NULL, 10);
 598         switch (type) {
 599         case 0x2025c:
 600                 ql_log(ql_log_info, vha, 0x706e,
 601                     "Issuing ISP reset.\n");
 602
 603                 scsi_block_requests(vha->host);
 604                 if (IS_QLA82XX(ha)) {
 605                         ha->flags.isp82xx_no_md_cap = 1;
 606                         qla82xx_idc_lock(ha);
 607                         qla82xx_set_reset_owner(vha);
 608                         qla82xx_idc_unlock(ha);
 609                 } else if (IS_QLA8044(ha)) {
 610                         qla8044_idc_lock(ha);
 611                         idc_control = qla8044_rd_reg(ha,
 612                             QLA8044_IDC_DRV_CTRL);
 613                         qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
 614                             (idc_control | GRACEFUL_RESET_BIT1));
 615                         qla82xx_set_reset_owner(vha);
 616                         qla8044_idc_unlock(ha);
 617                 } else {
 618                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 619                         qla2xxx_wake_dpc(vha);
 620                 }
 621                 qla2x00_wait_for_chip_reset(vha);
 622                 scsi_unblock_requests(vha->host);
 623                 break;
 624         case 0x2025d:
 625                 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
 626                         return -EPERM;
 627
 628                 ql_log(ql_log_info, vha, 0x706f,
 629                     "Issuing MPI reset.\n");
 630
 631                 if (IS_QLA83XX(ha)) {
 632                         uint32_t idc_control;
 633
 634                         qla83xx_idc_lock(vha, 0);
 635                         __qla83xx_get_idc_control(vha, &idc_control);
 636                         idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
 637                         __qla83xx_set_idc_control(vha, idc_control);
 638                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 639                             QLA8XXX_DEV_NEED_RESET);
 640                         qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
 641                         qla83xx_idc_unlock(vha, 0);
 642                         break;
 643                 } else {
 644                         /* Make sure FC side is not in reset */
 645                         qla2x00_wait_for_hba_online(vha);
 646
 647                         /* Issue MPI reset */
 648                         scsi_block_requests(vha->host);
 649                         if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
 650                                 ql_log(ql_log_warn, vha, 0x7070,
 651                                     "MPI reset failed.\n");
 652                         scsi_unblock_requests(vha->host);
 653                         break;
 654                 }
 655         case 0x2025e:
 656                 if (!IS_P3P_TYPE(ha) || vha != base_vha) {
 657                         ql_log(ql_log_info, vha, 0x7071,
 658                             "FCoE ctx reset no supported.\n");
 659                         return -EPERM;
 660                 }
 661
 662                 ql_log(ql_log_info, vha, 0x7072,
 663                     "Issuing FCoE ctx reset.\n");
 664                 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
 665                 qla2xxx_wake_dpc(vha);
 666                 qla2x00_wait_for_fcoe_ctx_reset(vha);
 667                 break;
 668         case 0x2025f:
 669                 if (!IS_QLA8031(ha))
 670                         return -EPERM;
 671                 ql_log(ql_log_info, vha, 0x70bc,
 672                     "Disabling Reset by IDC control\n");
 673                 qla83xx_idc_lock(vha, 0);
 674                 __qla83xx_get_idc_control(vha, &idc_control);
 675                 idc_control |= QLA83XX_IDC_RESET_DISABLED;
 676                 __qla83xx_set_idc_control(vha, idc_control);
 677                 qla83xx_idc_unlock(vha, 0);
 678                 break;
 679         case 0x20260:
 680                 if (!IS_QLA8031(ha))
 681                         return -EPERM;
 682                 ql_log(ql_log_info, vha, 0x70bd,
 683                     "Enabling Reset by IDC control\n");
 684                 qla83xx_idc_lock(vha, 0);
 685                 __qla83xx_get_idc_control(vha, &idc_control);
 686                 idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
 687                 __qla83xx_set_idc_control(vha, idc_control);
 688                 qla83xx_idc_unlock(vha, 0);
 689                 break;
 690         case 0x20261:
 691                 ql_dbg(ql_dbg_user, vha, 0x70e0,
 692                     "Updating cache versions without reset ");
 693
 694                 tmp_data = vmalloc(256);
 695                 if (!tmp_data) {
 696                         ql_log(ql_log_warn, vha, 0x70e1,
 697                             "Unable to allocate memory for VPD information update.\n");
 698                         return -ENOMEM;
 699                 }
 700                 ha->isp_ops->get_flash_version(vha, tmp_data);
 701                 vfree(tmp_data);
 702                 break;
 703         }
 704         return count;
 705 }
 706
 707 static struct bin_attribute sysfs_reset_attr = {
 708         .attr = {
 709                 .name = "reset",
 710                 .mode = S_IWUSR,
 711         },
 712         .size = 0,
 713         .write = qla2x00_sysfs_write_reset,
 714 };
 715
 716 static ssize_t
 717 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
 718                        struct bin_attribute *bin_attr,
 719                        char *buf, loff_t off, size_t count)
 720 {
 721         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 722             struct device, kobj)));
 723         struct qla_hw_data *ha = vha->hw;
 724         int rval;
 725         uint16_t actual_size;
 726
 727         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
 728                 return 0;
 729
 730         if (ha->xgmac_data)
 731                 goto do_read;
 732
 733         ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
 734             &ha->xgmac_data_dma, GFP_KERNEL);
 735         if (!ha->xgmac_data) {
 736                 ql_log(ql_log_warn, vha, 0x7076,
 737                     "Unable to allocate memory for XGMAC read-data.\n");
 738                 return 0;
 739         }
 740
 741 do_read:
 742         actual_size = 0;
 743         memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
 744
 745         rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
 746             XGMAC_DATA_SIZE, &actual_size);
 747         if (rval != QLA_SUCCESS) {
 748                 ql_log(ql_log_warn, vha, 0x7077,
 749                     "Unable to read XGMAC data (%x).\n", rval);
 750                 count = 0;
 751         }
 752
 753         count = actual_size > count ? count: actual_size;
 754         memcpy(buf, ha->xgmac_data, count);
 755
 756         return count;
 757 }
 758
 759 static struct bin_attribute sysfs_xgmac_stats_attr = {
 760         .attr = {
 761                 .name = "xgmac_stats",
 762                 .mode = S_IRUSR,
 763         },
 764         .size = 0,
 765         .read = qla2x00_sysfs_read_xgmac_stats,
 766 };
 767
 768 static ssize_t
 769 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
 770                        struct bin_attribute *bin_attr,
 771                        char *buf, loff_t off, size_t count)
 772 {
 773         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 774             struct device, kobj)));
 775         struct qla_hw_data *ha = vha->hw;
 776         int rval;
 777         uint16_t actual_size;
 778
 779         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
 780                 return 0;
 781
 782         if (ha->dcbx_tlv)
 783                 goto do_read;
 784
 785         ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
 786             &ha->dcbx_tlv_dma, GFP_KERNEL);
 787         if (!ha->dcbx_tlv) {
 788                 ql_log(ql_log_warn, vha, 0x7078,
 789                     "Unable to allocate memory for DCBX TLV read-data.\n");
 790                 return -ENOMEM;
 791         }
 792
 793 do_read:
 794         actual_size = 0;
 795         memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
 796
 797         rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
 798             DCBX_TLV_DATA_SIZE);
 799         if (rval != QLA_SUCCESS) {
 800                 ql_log(ql_log_warn, vha, 0x7079,
 801                     "Unable to read DCBX TLV (%x).\n", rval);
 802                 return -EIO;
 803         }
 804
 805         memcpy(buf, ha->dcbx_tlv, count);
 806
 807         return count;
 808 }
 809
 810 static struct bin_attribute sysfs_dcbx_tlv_attr = {
 811         .attr = {
 812                 .name = "dcbx_tlv",
 813                 .mode = S_IRUSR,
 814         },
 815         .size = 0,
 816         .read = qla2x00_sysfs_read_dcbx_tlv,
 817 };
 818
 819 static struct sysfs_entry {
 820         char *name;
 821         struct bin_attribute *attr;
 822         int is4GBp_only;
 823 } bin_file_entries[] = {
 824         { "fw_dump", &sysfs_fw_dump_attr, },
 825         { "nvram", &sysfs_nvram_attr, },
 826         { "optrom", &sysfs_optrom_attr, },
 827         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
 828         { "vpd", &sysfs_vpd_attr, 1 },
 829         { "sfp", &sysfs_sfp_attr, 1 },
 830         { "reset", &sysfs_reset_attr, },
 831         { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
 832         { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
 833         { NULL },
 834 };
 835
 836 void
 837 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
 838 {
 839         struct Scsi_Host *host = vha->host;
 840         struct sysfs_entry *iter;
 841         int ret;
 842
 843         for (iter = bin_file_entries; iter->name; iter++) {
 844                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
 845                         continue;
 846                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
 847                         continue;
 848                 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
 849                         continue;
 850
 851                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
 852                     iter->attr);
 853                 if (ret)
 854                         ql_log(ql_log_warn, vha, 0x00f3,
 855                             "Unable to create sysfs %s binary attribute (%d).\n",
 856                             iter->name, ret);
 857                 else
 858                         ql_dbg(ql_dbg_init, vha, 0x00f4,
 859                             "Successfully created sysfs %s binary attribure.\n",
 860                             iter->name);
 861         }
 862 }
 863
 864 void
 865 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
 866 {
 867         struct Scsi_Host *host = vha->host;
 868         struct sysfs_entry *iter;
 869         struct qla_hw_data *ha = vha->hw;
 870
 871         for (iter = bin_file_entries; iter->name; iter++) {
 872                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
 873                         continue;
 874                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
 875                         continue;
 876                 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
 877                         continue;
 878
 879                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
 880                     iter->attr);
 881         }
 882
 883         if (ha->beacon_blink_led == 1)
 884                 ha->isp_ops->beacon_off(vha);
 885 }
 886
 887 /* Scsi_Host attributes. */
 888
 889 static ssize_t
 890 qla2x00_drvr_version_show(struct device *dev,
 891                           struct device_attribute *attr, char *buf)
 892 {
 893         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 894 }
 895
 896 static ssize_t
 897 qla2x00_fw_version_show(struct device *dev,
 898                         struct device_attribute *attr, char *buf)
 899 {
 900         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 901         struct qla_hw_data *ha = vha->hw;
 902         char fw_str[128];
 903
 904         return snprintf(buf, PAGE_SIZE, "%s\n",
 905             ha->isp_ops->fw_version_str(vha, fw_str));
 906 }
 907
 908 static ssize_t
 909 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
 910                         char *buf)
 911 {
 912         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 913         struct qla_hw_data *ha = vha->hw;
 914         uint32_t sn;
 915
 916         if (IS_QLAFX00(vha->hw)) {
 917                 return snprintf(buf, PAGE_SIZE, "%s\n",
 918                     vha->hw->mr.serial_num);
 919         } else if (IS_FWI2_CAPABLE(ha)) {
 920                 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE);
 921                 return snprintf(buf, PAGE_SIZE, "%s\n", buf);
 922         }
 923
 924         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 925         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 926             sn % 100000);
 927 }
 928
 929 static ssize_t
 930 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
 931                       char *buf)
 932 {
 933         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 934         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
 935 }
 936
 937 static ssize_t
 938 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
 939                     char *buf)
 940 {
 941         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 942         struct qla_hw_data *ha = vha->hw;
 943
 944         if (IS_QLAFX00(vha->hw))
 945                 return snprintf(buf, PAGE_SIZE, "%s\n",
 946                     vha->hw->mr.hw_version);
 947
 948         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 949             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 950             ha->product_id[3]);
 951 }
 952
 953 static ssize_t
 954 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
 955                         char *buf)
 956 {
 957         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 958
 959         if (IS_QLAFX00(vha->hw))
 960                 return snprintf(buf, PAGE_SIZE, "%s\n",
 961                     vha->hw->mr.product_name);
 962
 963         return snprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
 964 }
 965
 966 static ssize_t
 967 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
 968                         char *buf)
 969 {
 970         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 971         return snprintf(buf, PAGE_SIZE, "%s\n",
 972             vha->hw->model_desc ? vha->hw->model_desc : "");
 973 }
 974
 975 static ssize_t
 976 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
 977                       char *buf)
 978 {
 979         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 980         char pci_info[30];
 981
 982         return snprintf(buf, PAGE_SIZE, "%s\n",
 983             vha->hw->isp_ops->pci_info_str(vha, pci_info));
 984 }
 985
 986 static ssize_t
 987 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
 988                         char *buf)
 989 {
 990         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 991         struct qla_hw_data *ha = vha->hw;
 992         int len = 0;
 993
 994         if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
 995             atomic_read(&vha->loop_state) == LOOP_DEAD ||
 996             vha->device_flags & DFLG_NO_CABLE)
 997                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 998         else if (atomic_read(&vha->loop_state) != LOOP_READY ||
 999             qla2x00_reset_active(vha))
1000                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1001         else {
1002                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
1003
1004                 switch (ha->current_topology) {
1005                 case ISP_CFG_NL:
1006                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1007                         break;
1008                 case ISP_CFG_FL:
1009                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1010                         break;
1011                 case ISP_CFG_N:
1012                         len += snprintf(buf + len, PAGE_SIZE-len,
1013                             "N_Port to N_Port\n");
1014                         break;
1015                 case ISP_CFG_F:
1016                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1017                         break;
1018                 default:
1019                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1020                         break;
1021                 }
1022         }
1023         return len;
1024 }
1025
1026 static ssize_t
1027 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1028                  char *buf)
1029 {
1030         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1031         int len = 0;
1032
1033         switch (vha->hw->zio_mode) {
1034         case QLA_ZIO_MODE_6:
1035                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1036                 break;
1037         case QLA_ZIO_DISABLED:
1038                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1039                 break;
1040         }
1041         return len;
1042 }
1043
1044 static ssize_t
1045 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1046                   const char *buf, size_t count)
1047 {
1048         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1049         struct qla_hw_data *ha = vha->hw;
1050         int val = 0;
1051         uint16_t zio_mode;
1052
1053         if (!IS_ZIO_SUPPORTED(ha))
1054                 return -ENOTSUPP;
1055
1056         if (sscanf(buf, "%d", &val) != 1)
1057                 return -EINVAL;
1058
1059         if (val)
1060                 zio_mode = QLA_ZIO_MODE_6;
1061         else
1062                 zio_mode = QLA_ZIO_DISABLED;
1063
1064         /* Update per-hba values and queue a reset. */
1065         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1066                 ha->zio_mode = zio_mode;
1067                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1068         }
1069         return strlen(buf);
1070 }
1071
1072 static ssize_t
1073 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1074                        char *buf)
1075 {
1076         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1077
1078         return snprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1079 }
1080
1081 static ssize_t
1082 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1083                         const char *buf, size_t count)
1084 {
1085         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1086         int val = 0;
1087         uint16_t zio_timer;
1088
1089         if (sscanf(buf, "%d", &val) != 1)
1090                 return -EINVAL;
1091         if (val > 25500 || val < 100)
1092                 return -ERANGE;
1093
1094         zio_timer = (uint16_t)(val / 100);
1095         vha->hw->zio_timer = zio_timer;
1096
1097         return strlen(buf);
1098 }
1099
1100 static ssize_t
1101 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1102                     char *buf)
1103 {
1104         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1105         int len = 0;
1106
1107         if (vha->hw->beacon_blink_led)
1108                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1109         else
1110                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1111         return len;
1112 }
1113
1114 static ssize_t
1115 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1116                      const char *buf, size_t count)
1117 {
1118         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1119         struct qla_hw_data *ha = vha->hw;
1120         int val = 0;
1121         int rval;
1122
1123         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1124                 return -EPERM;
1125
1126         if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1127                 ql_log(ql_log_warn, vha, 0x707a,
1128                     "Abort ISP active -- ignoring beacon request.\n");
1129                 return -EBUSY;
1130         }
1131
1132         if (sscanf(buf, "%d", &val) != 1)
1133                 return -EINVAL;
1134
1135         if (val)
1136                 rval = ha->isp_ops->beacon_on(vha);
1137         else
1138                 rval = ha->isp_ops->beacon_off(vha);
1139
1140         if (rval != QLA_SUCCESS)
1141                 count = 0;
1142
1143         return count;
1144 }
1145
1146 static ssize_t
1147 qla2x00_optrom_bios_version_show(struct device *dev,
1148                                  struct device_attribute *attr, char *buf)
1149 {
1150         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1151         struct qla_hw_data *ha = vha->hw;
1152         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1153             ha->bios_revision[0]);
1154 }
1155
1156 static ssize_t
1157 qla2x00_optrom_efi_version_show(struct device *dev,
1158                                 struct device_attribute *attr, char *buf)
1159 {
1160         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1161         struct qla_hw_data *ha = vha->hw;
1162         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1163             ha->efi_revision[0]);
1164 }
1165
1166 static ssize_t
1167 qla2x00_optrom_fcode_version_show(struct device *dev,
1168                                   struct device_attribute *attr, char *buf)
1169 {
1170         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1171         struct qla_hw_data *ha = vha->hw;
1172         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1173             ha->fcode_revision[0]);
1174 }
1175
1176 static ssize_t
1177 qla2x00_optrom_fw_version_show(struct device *dev,
1178                                struct device_attribute *attr, char *buf)
1179 {
1180         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1181         struct qla_hw_data *ha = vha->hw;
1182         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1183             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1184             ha->fw_revision[3]);
1185 }
1186
1187 static ssize_t
1188 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1189     struct device_attribute *attr, char *buf)
1190 {
1191         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1192         struct qla_hw_data *ha = vha->hw;
1193
1194         if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
1195                 return snprintf(buf, PAGE_SIZE, "\n");
1196
1197         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1198             ha->gold_fw_version[0], ha->gold_fw_version[1],
1199             ha->gold_fw_version[2], ha->gold_fw_version[3]);
1200 }
1201
1202 static ssize_t
1203 qla2x00_total_isp_aborts_show(struct device *dev,
1204                               struct device_attribute *attr, char *buf)
1205 {
1206         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1207         return snprintf(buf, PAGE_SIZE, "%d\n",
1208             vha->qla_stats.total_isp_aborts);
1209 }
1210
1211 static ssize_t
1212 qla24xx_84xx_fw_version_show(struct device *dev,
1213         struct device_attribute *attr, char *buf)
1214 {
1215         int rval = QLA_SUCCESS;
1216         uint16_t status[2] = {0, 0};
1217         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1218         struct qla_hw_data *ha = vha->hw;
1219
1220         if (!IS_QLA84XX(ha))
1221                 return snprintf(buf, PAGE_SIZE, "\n");
1222
1223         if (ha->cs84xx->op_fw_version == 0)
1224                 rval = qla84xx_verify_chip(vha, status);
1225
1226         if ((rval == QLA_SUCCESS) && (status[0] == 0))
1227                 return snprintf(buf, PAGE_SIZE, "%u\n",
1228                         (uint32_t)ha->cs84xx->op_fw_version);
1229
1230         return snprintf(buf, PAGE_SIZE, "\n");
1231 }
1232
1233 static ssize_t
1234 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1235     char *buf)
1236 {
1237         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1238         struct qla_hw_data *ha = vha->hw;
1239
1240         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
1241                 return snprintf(buf, PAGE_SIZE, "\n");
1242
1243         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1244             ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1245             ha->mpi_capabilities);
1246 }
1247
1248 static ssize_t
1249 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1250     char *buf)
1251 {
1252         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1253         struct qla_hw_data *ha = vha->hw;
1254
1255         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1256                 return snprintf(buf, PAGE_SIZE, "\n");
1257
1258         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1259             ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1260 }
1261
1262 static ssize_t
1263 qla2x00_flash_block_size_show(struct device *dev,
1264                               struct device_attribute *attr, char *buf)
1265 {
1266         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1267         struct qla_hw_data *ha = vha->hw;
1268
1269         return snprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1270 }
1271
1272 static ssize_t
1273 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1274     char *buf)
1275 {
1276         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1277
1278         if (!IS_CNA_CAPABLE(vha->hw))
1279                 return snprintf(buf, PAGE_SIZE, "\n");
1280
1281         return snprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1282 }
1283
1284 static ssize_t
1285 qla2x00_vn_port_mac_address_show(struct device *dev,
1286     struct device_attribute *attr, char *buf)
1287 {
1288         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1289
1290         if (!IS_CNA_CAPABLE(vha->hw))
1291                 return snprintf(buf, PAGE_SIZE, "\n");
1292
1293         return snprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1294 }
1295
1296 static ssize_t
1297 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1298     char *buf)
1299 {
1300         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1301
1302         return snprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1303 }
1304
1305 static ssize_t
1306 qla2x00_thermal_temp_show(struct device *dev,
1307         struct device_attribute *attr, char *buf)
1308 {
1309         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1310         uint16_t temp = 0;
1311
1312         if (qla2x00_reset_active(vha)) {
1313                 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1314                 goto done;
1315         }
1316
1317         if (vha->hw->flags.eeh_busy) {
1318                 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1319                 goto done;
1320         }
1321
1322         if (qla2x00_get_thermal_temp(vha, &temp) == QLA_SUCCESS)
1323                 return snprintf(buf, PAGE_SIZE, "%d\n", temp);
1324
1325 done:
1326         return snprintf(buf, PAGE_SIZE, "\n");
1327 }
1328
1329 static ssize_t
1330 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1331     char *buf)
1332 {
1333         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1334         int rval = QLA_FUNCTION_FAILED;
1335         uint16_t state[5];
1336         uint32_t pstate;
1337
1338         if (IS_QLAFX00(vha->hw)) {
1339                 pstate = qlafx00_fw_state_show(dev, attr, buf);
1340                 return snprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1341         }
1342
1343         if (qla2x00_reset_active(vha))
1344                 ql_log(ql_log_warn, vha, 0x707c,
1345                     "ISP reset active.\n");
1346         else if (!vha->hw->flags.eeh_busy)
1347                 rval = qla2x00_get_firmware_state(vha, state);
1348         if (rval != QLA_SUCCESS)
1349                 memset(state, -1, sizeof(state));
1350
1351         return snprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x\n", state[0],
1352             state[1], state[2], state[3], state[4]);
1353 }
1354
1355 static ssize_t
1356 qla2x00_diag_requests_show(struct device *dev,
1357         struct device_attribute *attr, char *buf)
1358 {
1359         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1360
1361         if (!IS_BIDI_CAPABLE(vha->hw))
1362                 return snprintf(buf, PAGE_SIZE, "\n");
1363
1364         return snprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1365 }
1366
1367 static ssize_t
1368 qla2x00_diag_megabytes_show(struct device *dev,
1369         struct device_attribute *attr, char *buf)
1370 {
1371         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1372
1373         if (!IS_BIDI_CAPABLE(vha->hw))
1374                 return snprintf(buf, PAGE_SIZE, "\n");
1375
1376         return snprintf(buf, PAGE_SIZE, "%llu\n",
1377             vha->bidi_stats.transfer_bytes >> 20);
1378 }
1379
1380 static ssize_t
1381 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1382         char *buf)
1383 {
1384         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1385         struct qla_hw_data *ha = vha->hw;
1386         uint32_t size;
1387
1388         if (!ha->fw_dumped)
1389                 size = 0;
1390         else if (IS_QLA82XX(ha))
1391                 size = ha->md_template_size + ha->md_dump_size;
1392         else
1393                 size = ha->fw_dump_len;
1394
1395         return snprintf(buf, PAGE_SIZE, "%d\n", size);
1396 }
1397
1398 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1399 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1400 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1401 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1402 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1403 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1404 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1405 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1406 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1407 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1408 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1409                    qla2x00_zio_timer_store);
1410 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1411                    qla2x00_beacon_store);
1412 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1413                    qla2x00_optrom_bios_version_show, NULL);
1414 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1415                    qla2x00_optrom_efi_version_show, NULL);
1416 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1417                    qla2x00_optrom_fcode_version_show, NULL);
1418 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1419                    NULL);
1420 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1421     qla2x00_optrom_gold_fw_version_show, NULL);
1422 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1423                    NULL);
1424 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1425                    NULL);
1426 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1427 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1428 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1429                    NULL);
1430 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1431 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1432                    qla2x00_vn_port_mac_address_show, NULL);
1433 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1434 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1435 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1436 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1437 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1438 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1439
1440 struct device_attribute *qla2x00_host_attrs[] = {
1441         &dev_attr_driver_version,
1442         &dev_attr_fw_version,
1443         &dev_attr_serial_num,
1444         &dev_attr_isp_name,
1445         &dev_attr_isp_id,
1446         &dev_attr_model_name,
1447         &dev_attr_model_desc,
1448         &dev_attr_pci_info,
1449         &dev_attr_link_state,
1450         &dev_attr_zio,
1451         &dev_attr_zio_timer,
1452         &dev_attr_beacon,
1453         &dev_attr_optrom_bios_version,
1454         &dev_attr_optrom_efi_version,
1455         &dev_attr_optrom_fcode_version,
1456         &dev_attr_optrom_fw_version,
1457         &dev_attr_84xx_fw_version,
1458         &dev_attr_total_isp_aborts,
1459         &dev_attr_mpi_version,
1460         &dev_attr_phy_version,
1461         &dev_attr_flash_block_size,
1462         &dev_attr_vlan_id,
1463         &dev_attr_vn_port_mac_address,
1464         &dev_attr_fabric_param,
1465         &dev_attr_fw_state,
1466         &dev_attr_optrom_gold_fw_version,
1467         &dev_attr_thermal_temp,
1468         &dev_attr_diag_requests,
1469         &dev_attr_diag_megabytes,
1470         &dev_attr_fw_dump_size,
1471         NULL,
1472 };
1473
1474 /* Host attributes. */
1475
1476 static void
1477 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1478 {
1479         scsi_qla_host_t *vha = shost_priv(shost);
1480
1481         fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1482             vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1483 }
1484
1485 static void
1486 qla2x00_get_host_speed(struct Scsi_Host *shost)
1487 {
1488         struct qla_hw_data *ha = ((struct scsi_qla_host *)
1489                                         (shost_priv(shost)))->hw;
1490         u32 speed = FC_PORTSPEED_UNKNOWN;
1491
1492         if (IS_QLAFX00(ha)) {
1493                 qlafx00_get_host_speed(shost);
1494                 return;
1495         }
1496
1497         switch (ha->link_data_rate) {
1498         case PORT_SPEED_1GB:
1499                 speed = FC_PORTSPEED_1GBIT;
1500                 break;
1501         case PORT_SPEED_2GB:
1502                 speed = FC_PORTSPEED_2GBIT;
1503                 break;
1504         case PORT_SPEED_4GB:
1505                 speed = FC_PORTSPEED_4GBIT;
1506                 break;
1507         case PORT_SPEED_8GB:
1508                 speed = FC_PORTSPEED_8GBIT;
1509                 break;
1510         case PORT_SPEED_10GB:
1511                 speed = FC_PORTSPEED_10GBIT;
1512                 break;
1513         case PORT_SPEED_16GB:
1514                 speed = FC_PORTSPEED_16GBIT;
1515                 break;
1516         }
1517         fc_host_speed(shost) = speed;
1518 }
1519
1520 static void
1521 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1522 {
1523         scsi_qla_host_t *vha = shost_priv(shost);
1524         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1525
1526         if (vha->vp_idx) {
1527                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1528                 return;
1529         }
1530         switch (vha->hw->current_topology) {
1531         case ISP_CFG_NL:
1532                 port_type = FC_PORTTYPE_LPORT;
1533                 break;
1534         case ISP_CFG_FL:
1535                 port_type = FC_PORTTYPE_NLPORT;
1536                 break;
1537         case ISP_CFG_N:
1538                 port_type = FC_PORTTYPE_PTP;
1539                 break;
1540         case ISP_CFG_F:
1541                 port_type = FC_PORTTYPE_NPORT;
1542                 break;
1543         }
1544         fc_host_port_type(shost) = port_type;
1545 }
1546
1547 static void
1548 qla2x00_get_starget_node_name(struct scsi_target *starget)
1549 {
1550         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1551         scsi_qla_host_t *vha = shost_priv(host);
1552         fc_port_t *fcport;
1553         u64 node_name = 0;
1554
1555         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1556                 if (fcport->rport &&
1557                     starget->id == fcport->rport->scsi_target_id) {
1558                         node_name = wwn_to_u64(fcport->node_name);
1559                         break;
1560                 }
1561         }
1562
1563         fc_starget_node_name(starget) = node_name;
1564 }
1565
1566 static void
1567 qla2x00_get_starget_port_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 port_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                         port_name = wwn_to_u64(fcport->port_name);
1578                         break;
1579                 }
1580         }
1581
1582         fc_starget_port_name(starget) = port_name;
1583 }
1584
1585 static void
1586 qla2x00_get_starget_port_id(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         uint32_t port_id = ~0U;
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_id = fcport->d_id.b.domain << 16 |
1597                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1598                         break;
1599                 }
1600         }
1601
1602         fc_starget_port_id(starget) = port_id;
1603 }
1604
1605 static void
1606 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1607 {
1608         if (timeout)
1609                 rport->dev_loss_tmo = timeout;
1610         else
1611                 rport->dev_loss_tmo = 1;
1612 }
1613
1614 static void
1615 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1616 {
1617         struct Scsi_Host *host = rport_to_shost(rport);
1618         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1619         unsigned long flags;
1620
1621         if (!fcport)
1622                 return;
1623
1624         /* Now that the rport has been deleted, set the fcport state to
1625            FCS_DEVICE_DEAD */
1626         qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1627
1628         /*
1629          * Transport has effectively 'deleted' the rport, clear
1630          * all local references.
1631          */
1632         spin_lock_irqsave(host->host_lock, flags);
1633         fcport->rport = fcport->drport = NULL;
1634         *((fc_port_t **)rport->dd_data) = NULL;
1635         spin_unlock_irqrestore(host->host_lock, flags);
1636
1637         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1638                 return;
1639
1640         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1641                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1642                 return;
1643         }
1644 }
1645
1646 static void
1647 qla2x00_terminate_rport_io(struct fc_rport *rport)
1648 {
1649         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1650
1651         if (!fcport)
1652                 return;
1653
1654         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1655                 return;
1656
1657         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1658                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1659                 return;
1660         }
1661         /*
1662          * At this point all fcport's software-states are cleared.  Perform any
1663          * final cleanup of firmware resources (PCBs and XCBs).
1664          */
1665         if (fcport->loop_id != FC_NO_LOOP_ID) {
1666                 if (IS_FWI2_CAPABLE(fcport->vha->hw))
1667                         fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1668                             fcport->loop_id, fcport->d_id.b.domain,
1669                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1670                 else
1671                         qla2x00_port_logout(fcport->vha, fcport);
1672         }
1673 }
1674
1675 static int
1676 qla2x00_issue_lip(struct Scsi_Host *shost)
1677 {
1678         scsi_qla_host_t *vha = shost_priv(shost);
1679
1680         if (IS_QLAFX00(vha->hw))
1681                 return 0;
1682
1683         qla2x00_loop_reset(vha);
1684         return 0;
1685 }
1686
1687 static struct fc_host_statistics *
1688 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1689 {
1690         scsi_qla_host_t *vha = shost_priv(shost);
1691         struct qla_hw_data *ha = vha->hw;
1692         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1693         int rval;
1694         struct link_statistics *stats;
1695         dma_addr_t stats_dma;
1696         struct fc_host_statistics *pfc_host_stat;
1697
1698         pfc_host_stat = &vha->fc_host_stat;
1699         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1700
1701         if (IS_QLAFX00(vha->hw))
1702                 goto done;
1703
1704         if (test_bit(UNLOADING, &vha->dpc_flags))
1705                 goto done;
1706
1707         if (unlikely(pci_channel_offline(ha->pdev)))
1708                 goto done;
1709
1710         if (qla2x00_reset_active(vha))
1711                 goto done;
1712
1713         stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1714         if (stats == NULL) {
1715                 ql_log(ql_log_warn, vha, 0x707d,
1716                     "Failed to allocate memory for stats.\n");
1717                 goto done;
1718         }
1719         memset(stats, 0, DMA_POOL_SIZE);
1720
1721         rval = QLA_FUNCTION_FAILED;
1722         if (IS_FWI2_CAPABLE(ha)) {
1723                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1724         } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1725             !ha->dpc_active) {
1726                 /* Must be in a 'READY' state for statistics retrieval. */
1727                 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1728                                                 stats, stats_dma);
1729         }
1730
1731         if (rval != QLA_SUCCESS)
1732                 goto done_free;
1733
1734         pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1735         pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1736         pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1737         pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1738         pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1739         pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1740         if (IS_FWI2_CAPABLE(ha)) {
1741                 pfc_host_stat->lip_count = stats->lip_cnt;
1742                 pfc_host_stat->tx_frames = stats->tx_frames;
1743                 pfc_host_stat->rx_frames = stats->rx_frames;
1744                 pfc_host_stat->dumped_frames = stats->discarded_frames;
1745                 pfc_host_stat->nos_count = stats->nos_rcvd;
1746                 pfc_host_stat->error_frames =
1747                         stats->dropped_frames + stats->discarded_frames;
1748                 pfc_host_stat->rx_words = vha->qla_stats.input_bytes;
1749                 pfc_host_stat->tx_words = vha->qla_stats.output_bytes;
1750         }
1751         pfc_host_stat->fcp_control_requests = vha->qla_stats.control_requests;
1752         pfc_host_stat->fcp_input_requests = vha->qla_stats.input_requests;
1753         pfc_host_stat->fcp_output_requests = vha->qla_stats.output_requests;
1754         pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1755         pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1756         pfc_host_stat->seconds_since_last_reset =
1757                 get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
1758         do_div(pfc_host_stat->seconds_since_last_reset, HZ);
1759
1760 done_free:
1761         dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1762 done:
1763         return pfc_host_stat;
1764 }
1765
1766 static void
1767 qla2x00_reset_host_stats(struct Scsi_Host *shost)
1768 {
1769         scsi_qla_host_t *vha = shost_priv(shost);
1770
1771         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1772
1773         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1774 }
1775
1776 static void
1777 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1778 {
1779         scsi_qla_host_t *vha = shost_priv(shost);
1780
1781         qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost));
1782 }
1783
1784 static void
1785 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1786 {
1787         scsi_qla_host_t *vha = shost_priv(shost);
1788
1789         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1790 }
1791
1792 static void
1793 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1794 {
1795         scsi_qla_host_t *vha = shost_priv(shost);
1796         uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1797                 0xFF, 0xFF, 0xFF, 0xFF};
1798         u64 fabric_name = wwn_to_u64(node_name);
1799
1800         if (vha->device_flags & SWITCH_FOUND)
1801                 fabric_name = wwn_to_u64(vha->fabric_node_name);
1802
1803         fc_host_fabric_name(shost) = fabric_name;
1804 }
1805
1806 static void
1807 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1808 {
1809         scsi_qla_host_t *vha = shost_priv(shost);
1810         struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1811
1812         if (!base_vha->flags.online) {
1813                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1814                 return;
1815         }
1816
1817         switch (atomic_read(&base_vha->loop_state)) {
1818         case LOOP_UPDATE:
1819                 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1820                 break;
1821         case LOOP_DOWN:
1822                 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1823                         fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1824                 else
1825                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1826                 break;
1827         case LOOP_DEAD:
1828                 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1829                 break;
1830         case LOOP_READY:
1831                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1832                 break;
1833         default:
1834                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1835                 break;
1836         }
1837 }
1838
1839 static int
1840 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1841 {
1842         int     ret = 0;
1843         uint8_t qos = 0;
1844         scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1845         scsi_qla_host_t *vha = NULL;
1846         struct qla_hw_data *ha = base_vha->hw;
1847         uint16_t options = 0;
1848         int     cnt;
1849         struct req_que *req = ha->req_q_map[0];
1850
1851         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
1852         if (ret) {
1853                 ql_log(ql_log_warn, vha, 0x707e,
1854                     "Vport sanity check failed, status %x\n", ret);
1855                 return (ret);
1856         }
1857
1858         vha = qla24xx_create_vhost(fc_vport);
1859         if (vha == NULL) {
1860                 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
1861                 return FC_VPORT_FAILED;
1862         }
1863         if (disable) {
1864                 atomic_set(&vha->vp_state, VP_OFFLINE);
1865                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
1866         } else
1867                 atomic_set(&vha->vp_state, VP_FAILED);
1868
1869         /* ready to create vport */
1870         ql_log(ql_log_info, vha, 0x7080,
1871             "VP entry id %d assigned.\n", vha->vp_idx);
1872
1873         /* initialized vport states */
1874         atomic_set(&vha->loop_state, LOOP_DOWN);
1875         vha->vp_err_state=  VP_ERR_PORTDWN;
1876         vha->vp_prev_err_state=  VP_ERR_UNKWN;
1877         /* Check if physical ha port is Up */
1878         if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
1879             atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1880                 /* Don't retry or attempt login of this virtual port */
1881                 ql_dbg(ql_dbg_user, vha, 0x7081,
1882                     "Vport loop state is not UP.\n");
1883                 atomic_set(&vha->loop_state, LOOP_DEAD);
1884                 if (!disable)
1885                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
1886         }
1887
1888         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
1889                 if (ha->fw_attributes & BIT_4) {
1890                         int prot = 0, guard;
1891                         vha->flags.difdix_supported = 1;
1892                         ql_dbg(ql_dbg_user, vha, 0x7082,
1893                             "Registered for DIF/DIX type 1 and 3 protection.\n");
1894                         if (ql2xenabledif == 1)
1895                                 prot = SHOST_DIX_TYPE0_PROTECTION;
1896                         scsi_host_set_prot(vha->host,
1897                             prot | SHOST_DIF_TYPE1_PROTECTION
1898                             | SHOST_DIF_TYPE2_PROTECTION
1899                             | SHOST_DIF_TYPE3_PROTECTION
1900                             | SHOST_DIX_TYPE1_PROTECTION
1901                             | SHOST_DIX_TYPE2_PROTECTION
1902                             | SHOST_DIX_TYPE3_PROTECTION);
1903
1904                         guard = SHOST_DIX_GUARD_CRC;
1905
1906                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
1907                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
1908                                 guard |= SHOST_DIX_GUARD_IP;
1909
1910                         scsi_host_set_guard(vha->host, guard);
1911                 } else
1912                         vha->flags.difdix_supported = 0;
1913         }
1914
1915         if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
1916                                    &ha->pdev->dev)) {
1917                 ql_dbg(ql_dbg_user, vha, 0x7083,
1918                     "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
1919                 goto vport_create_failed_2;
1920         }
1921
1922         /* initialize attributes */
1923         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
1924         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1925         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1926         fc_host_supported_classes(vha->host) =
1927                 fc_host_supported_classes(base_vha->host);
1928         fc_host_supported_speeds(vha->host) =
1929                 fc_host_supported_speeds(base_vha->host);
1930
1931         qlt_vport_create(vha, ha);
1932         qla24xx_vport_disable(fc_vport, disable);
1933
1934         if (ha->flags.cpu_affinity_enabled) {
1935                 req = ha->req_q_map[1];
1936                 ql_dbg(ql_dbg_multiq, vha, 0xc000,
1937                     "Request queue %p attached with "
1938                     "VP[%d], cpu affinity =%d\n",
1939                     req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
1940                 goto vport_queue;
1941         } else if (ql2xmaxqueues == 1 || !ha->npiv_info)
1942                 goto vport_queue;
1943         /* Create a request queue in QoS mode for the vport */
1944         for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
1945                 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
1946                         && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
1947                                         8) == 0) {
1948                         qos = ha->npiv_info[cnt].q_qos;
1949                         break;
1950                 }
1951         }
1952
1953         if (qos) {
1954                 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
1955                         qos);
1956                 if (!ret)
1957                         ql_log(ql_log_warn, vha, 0x7084,
1958                             "Can't create request queue for VP[%d]\n",
1959                             vha->vp_idx);
1960                 else {
1961                         ql_dbg(ql_dbg_multiq, vha, 0xc001,
1962                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
1963                             ret, qos, vha->vp_idx);
1964                         ql_dbg(ql_dbg_user, vha, 0x7085,
1965                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
1966                             ret, qos, vha->vp_idx);
1967                         req = ha->req_q_map[ret];
1968                 }
1969         }
1970
1971 vport_queue:
1972         vha->req = req;
1973         return 0;
1974
1975 vport_create_failed_2:
1976         qla24xx_disable_vp(vha);
1977         qla24xx_deallocate_vp_id(vha);
1978         scsi_host_put(vha->host);
1979         return FC_VPORT_FAILED;
1980 }
1981
1982 static int
1983 qla24xx_vport_delete(struct fc_vport *fc_vport)
1984 {
1985         scsi_qla_host_t *vha = fc_vport->dd_data;
1986         struct qla_hw_data *ha = vha->hw;
1987         uint16_t id = vha->vp_idx;
1988
1989         while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
1990             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
1991                 msleep(1000);
1992
1993         qla24xx_disable_vp(vha);
1994
1995         vha->flags.delete_progress = 1;
1996
1997         fc_remove_host(vha->host);
1998
1999         scsi_remove_host(vha->host);
2000
2001         /* Allow timer to run to drain queued items, when removing vp */
2002         qla24xx_deallocate_vp_id(vha);
2003
2004         if (vha->timer_active) {
2005                 qla2x00_vp_stop_timer(vha);
2006                 ql_dbg(ql_dbg_user, vha, 0x7086,
2007                     "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2008         }
2009
2010         BUG_ON(atomic_read(&vha->vref_count));
2011
2012         qla2x00_free_fcports(vha);
2013
2014         mutex_lock(&ha->vport_lock);
2015         ha->cur_vport_count--;
2016         clear_bit(vha->vp_idx, ha->vp_idx_map);
2017         mutex_unlock(&ha->vport_lock);
2018
2019         if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
2020                 if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
2021                         ql_log(ql_log_warn, vha, 0x7087,
2022                             "Queue delete failed.\n");
2023         }
2024
2025         ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2026         scsi_host_put(vha->host);
2027         return 0;
2028 }
2029
2030 static int
2031 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2032 {
2033         scsi_qla_host_t *vha = fc_vport->dd_data;
2034
2035         if (disable)
2036                 qla24xx_disable_vp(vha);
2037         else
2038                 qla24xx_enable_vp(vha);
2039
2040         return 0;
2041 }
2042
2043 struct fc_function_template qla2xxx_transport_functions = {
2044
2045         .show_host_node_name = 1,
2046         .show_host_port_name = 1,
2047         .show_host_supported_classes = 1,
2048         .show_host_supported_speeds = 1,
2049
2050         .get_host_port_id = qla2x00_get_host_port_id,
2051         .show_host_port_id = 1,
2052         .get_host_speed = qla2x00_get_host_speed,
2053         .show_host_speed = 1,
2054         .get_host_port_type = qla2x00_get_host_port_type,
2055         .show_host_port_type = 1,
2056         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2057         .show_host_symbolic_name = 1,
2058         .set_host_system_hostname = qla2x00_set_host_system_hostname,
2059         .show_host_system_hostname = 1,
2060         .get_host_fabric_name = qla2x00_get_host_fabric_name,
2061         .show_host_fabric_name = 1,
2062         .get_host_port_state = qla2x00_get_host_port_state,
2063         .show_host_port_state = 1,
2064
2065         .dd_fcrport_size = sizeof(struct fc_port *),
2066         .show_rport_supported_classes = 1,
2067
2068         .get_starget_node_name = qla2x00_get_starget_node_name,
2069         .show_starget_node_name = 1,
2070         .get_starget_port_name = qla2x00_get_starget_port_name,
2071         .show_starget_port_name = 1,
2072         .get_starget_port_id  = qla2x00_get_starget_port_id,
2073         .show_starget_port_id = 1,
2074
2075         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2076         .show_rport_dev_loss_tmo = 1,
2077
2078         .issue_fc_host_lip = qla2x00_issue_lip,
2079         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2080         .terminate_rport_io = qla2x00_terminate_rport_io,
2081         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2082         .reset_fc_host_stats = qla2x00_reset_host_stats,
2083
2084         .vport_create = qla24xx_vport_create,
2085         .vport_disable = qla24xx_vport_disable,
2086         .vport_delete = qla24xx_vport_delete,
2087         .bsg_request = qla24xx_bsg_request,
2088         .bsg_timeout = qla24xx_bsg_timeout,
2089 };
2090
2091 struct fc_function_template qla2xxx_transport_vport_functions = {
2092
2093         .show_host_node_name = 1,
2094         .show_host_port_name = 1,
2095         .show_host_supported_classes = 1,
2096
2097         .get_host_port_id = qla2x00_get_host_port_id,
2098         .show_host_port_id = 1,
2099         .get_host_speed = qla2x00_get_host_speed,
2100         .show_host_speed = 1,
2101         .get_host_port_type = qla2x00_get_host_port_type,
2102         .show_host_port_type = 1,
2103         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2104         .show_host_symbolic_name = 1,
2105         .set_host_system_hostname = qla2x00_set_host_system_hostname,
2106         .show_host_system_hostname = 1,
2107         .get_host_fabric_name = qla2x00_get_host_fabric_name,
2108         .show_host_fabric_name = 1,
2109         .get_host_port_state = qla2x00_get_host_port_state,
2110         .show_host_port_state = 1,
2111
2112         .dd_fcrport_size = sizeof(struct fc_port *),
2113         .show_rport_supported_classes = 1,
2114
2115         .get_starget_node_name = qla2x00_get_starget_node_name,
2116         .show_starget_node_name = 1,
2117         .get_starget_port_name = qla2x00_get_starget_port_name,
2118         .show_starget_port_name = 1,
2119         .get_starget_port_id  = qla2x00_get_starget_port_id,
2120         .show_starget_port_id = 1,
2121
2122         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2123         .show_rport_dev_loss_tmo = 1,
2124
2125         .issue_fc_host_lip = qla2x00_issue_lip,
2126         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2127         .terminate_rport_io = qla2x00_terminate_rport_io,
2128         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2129         .reset_fc_host_stats = qla2x00_reset_host_stats,
2130
2131         .bsg_request = qla24xx_bsg_request,
2132         .bsg_timeout = qla24xx_bsg_timeout,
2133 };
2134
2135 void
2136 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2137 {
2138         struct qla_hw_data *ha = vha->hw;
2139         u32 speed = FC_PORTSPEED_UNKNOWN;
2140
2141         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2142         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2143         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2144         fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
2145                         (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2146         fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2147         fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2148
2149         if (IS_CNA_CAPABLE(ha))
2150                 speed = FC_PORTSPEED_10GBIT;
2151         else if (IS_QLA2031(ha))
2152                 speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2153                     FC_PORTSPEED_4GBIT;
2154         else if (IS_QLA25XX(ha))
2155                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2156                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2157         else if (IS_QLA24XX_TYPE(ha))
2158                 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2159                     FC_PORTSPEED_1GBIT;
2160         else if (IS_QLA23XX(ha))
2161                 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2162         else if (IS_QLAFX00(ha))
2163                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2164                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2165         else
2166                 speed = FC_PORTSPEED_1GBIT;
2167         fc_host_supported_speeds(vha->host) = speed;
2168 }