Pileus Git - ~andy/linux/blob - 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, bool stop_beacon)
 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 (stop_beacon && 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 scnprintf(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 scnprintf(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 scnprintf(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 - 1);
 921                 return strlen(strcat(buf, "\n"));
 922         }
 923
 924         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 925         return scnprintf(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 scnprintf(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 scnprintf(buf, PAGE_SIZE, "%s\n",
 946                     vha->hw->mr.hw_version);
 947
 948         return scnprintf(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         return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
 960 }
 961
 962 static ssize_t
 963 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
 964                         char *buf)
 965 {
 966         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 967         return scnprintf(buf, PAGE_SIZE, "%s\n",
 968             vha->hw->model_desc ? vha->hw->model_desc : "");
 969 }
 970
 971 static ssize_t
 972 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
 973                       char *buf)
 974 {
 975         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 976         char pci_info[30];
 977
 978         return scnprintf(buf, PAGE_SIZE, "%s\n",
 979             vha->hw->isp_ops->pci_info_str(vha, pci_info));
 980 }
 981
 982 static ssize_t
 983 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
 984                         char *buf)
 985 {
 986         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 987         struct qla_hw_data *ha = vha->hw;
 988         int len = 0;
 989
 990         if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
 991             atomic_read(&vha->loop_state) == LOOP_DEAD ||
 992             vha->device_flags & DFLG_NO_CABLE)
 993                 len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
 994         else if (atomic_read(&vha->loop_state) != LOOP_READY ||
 995             qla2x00_reset_active(vha))
 996                 len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 997         else {
 998                 len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
 999
1000                 switch (ha->current_topology) {
1001                 case ISP_CFG_NL:
1002                         len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1003                         break;
1004                 case ISP_CFG_FL:
1005                         len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1006                         break;
1007                 case ISP_CFG_N:
1008                         len += scnprintf(buf + len, PAGE_SIZE-len,
1009                             "N_Port to N_Port\n");
1010                         break;
1011                 case ISP_CFG_F:
1012                         len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1013                         break;
1014                 default:
1015                         len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1016                         break;
1017                 }
1018         }
1019         return len;
1020 }
1021
1022 static ssize_t
1023 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1024                  char *buf)
1025 {
1026         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1027         int len = 0;
1028
1029         switch (vha->hw->zio_mode) {
1030         case QLA_ZIO_MODE_6:
1031                 len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1032                 break;
1033         case QLA_ZIO_DISABLED:
1034                 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1035                 break;
1036         }
1037         return len;
1038 }
1039
1040 static ssize_t
1041 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1042                   const char *buf, size_t count)
1043 {
1044         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1045         struct qla_hw_data *ha = vha->hw;
1046         int val = 0;
1047         uint16_t zio_mode;
1048
1049         if (!IS_ZIO_SUPPORTED(ha))
1050                 return -ENOTSUPP;
1051
1052         if (sscanf(buf, "%d", &val) != 1)
1053                 return -EINVAL;
1054
1055         if (val)
1056                 zio_mode = QLA_ZIO_MODE_6;
1057         else
1058                 zio_mode = QLA_ZIO_DISABLED;
1059
1060         /* Update per-hba values and queue a reset. */
1061         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1062                 ha->zio_mode = zio_mode;
1063                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1064         }
1065         return strlen(buf);
1066 }
1067
1068 static ssize_t
1069 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1070                        char *buf)
1071 {
1072         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1073
1074         return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1075 }
1076
1077 static ssize_t
1078 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1079                         const char *buf, size_t count)
1080 {
1081         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1082         int val = 0;
1083         uint16_t zio_timer;
1084
1085         if (sscanf(buf, "%d", &val) != 1)
1086                 return -EINVAL;
1087         if (val > 25500 || val < 100)
1088                 return -ERANGE;
1089
1090         zio_timer = (uint16_t)(val / 100);
1091         vha->hw->zio_timer = zio_timer;
1092
1093         return strlen(buf);
1094 }
1095
1096 static ssize_t
1097 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1098                     char *buf)
1099 {
1100         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1101         int len = 0;
1102
1103         if (vha->hw->beacon_blink_led)
1104                 len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1105         else
1106                 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1107         return len;
1108 }
1109
1110 static ssize_t
1111 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1112                      const char *buf, size_t count)
1113 {
1114         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1115         struct qla_hw_data *ha = vha->hw;
1116         int val = 0;
1117         int rval;
1118
1119         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1120                 return -EPERM;
1121
1122         if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1123                 ql_log(ql_log_warn, vha, 0x707a,
1124                     "Abort ISP active -- ignoring beacon request.\n");
1125                 return -EBUSY;
1126         }
1127
1128         if (sscanf(buf, "%d", &val) != 1)
1129                 return -EINVAL;
1130
1131         if (val)
1132                 rval = ha->isp_ops->beacon_on(vha);
1133         else
1134                 rval = ha->isp_ops->beacon_off(vha);
1135
1136         if (rval != QLA_SUCCESS)
1137                 count = 0;
1138
1139         return count;
1140 }
1141
1142 static ssize_t
1143 qla2x00_optrom_bios_version_show(struct device *dev,
1144                                  struct device_attribute *attr, char *buf)
1145 {
1146         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1147         struct qla_hw_data *ha = vha->hw;
1148         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1149             ha->bios_revision[0]);
1150 }
1151
1152 static ssize_t
1153 qla2x00_optrom_efi_version_show(struct device *dev,
1154                                 struct device_attribute *attr, char *buf)
1155 {
1156         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1157         struct qla_hw_data *ha = vha->hw;
1158         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1159             ha->efi_revision[0]);
1160 }
1161
1162 static ssize_t
1163 qla2x00_optrom_fcode_version_show(struct device *dev,
1164                                   struct device_attribute *attr, char *buf)
1165 {
1166         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1167         struct qla_hw_data *ha = vha->hw;
1168         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1169             ha->fcode_revision[0]);
1170 }
1171
1172 static ssize_t
1173 qla2x00_optrom_fw_version_show(struct device *dev,
1174                                struct device_attribute *attr, char *buf)
1175 {
1176         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1177         struct qla_hw_data *ha = vha->hw;
1178         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1179             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1180             ha->fw_revision[3]);
1181 }
1182
1183 static ssize_t
1184 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1185     struct device_attribute *attr, char *buf)
1186 {
1187         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1188         struct qla_hw_data *ha = vha->hw;
1189
1190         if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
1191                 return scnprintf(buf, PAGE_SIZE, "\n");
1192
1193         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1194             ha->gold_fw_version[0], ha->gold_fw_version[1],
1195             ha->gold_fw_version[2], ha->gold_fw_version[3]);
1196 }
1197
1198 static ssize_t
1199 qla2x00_total_isp_aborts_show(struct device *dev,
1200                               struct device_attribute *attr, char *buf)
1201 {
1202         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1203         return scnprintf(buf, PAGE_SIZE, "%d\n",
1204             vha->qla_stats.total_isp_aborts);
1205 }
1206
1207 static ssize_t
1208 qla24xx_84xx_fw_version_show(struct device *dev,
1209         struct device_attribute *attr, char *buf)
1210 {
1211         int rval = QLA_SUCCESS;
1212         uint16_t status[2] = {0, 0};
1213         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1214         struct qla_hw_data *ha = vha->hw;
1215
1216         if (!IS_QLA84XX(ha))
1217                 return scnprintf(buf, PAGE_SIZE, "\n");
1218
1219         if (ha->cs84xx->op_fw_version == 0)
1220                 rval = qla84xx_verify_chip(vha, status);
1221
1222         if ((rval == QLA_SUCCESS) && (status[0] == 0))
1223                 return scnprintf(buf, PAGE_SIZE, "%u\n",
1224                         (uint32_t)ha->cs84xx->op_fw_version);
1225
1226         return scnprintf(buf, PAGE_SIZE, "\n");
1227 }
1228
1229 static ssize_t
1230 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1231     char *buf)
1232 {
1233         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1234         struct qla_hw_data *ha = vha->hw;
1235
1236         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
1237                 return scnprintf(buf, PAGE_SIZE, "\n");
1238
1239         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1240             ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1241             ha->mpi_capabilities);
1242 }
1243
1244 static ssize_t
1245 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1246     char *buf)
1247 {
1248         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1249         struct qla_hw_data *ha = vha->hw;
1250
1251         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1252                 return scnprintf(buf, PAGE_SIZE, "\n");
1253
1254         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1255             ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1256 }
1257
1258 static ssize_t
1259 qla2x00_flash_block_size_show(struct device *dev,
1260                               struct device_attribute *attr, char *buf)
1261 {
1262         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1263         struct qla_hw_data *ha = vha->hw;
1264
1265         return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1266 }
1267
1268 static ssize_t
1269 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1270     char *buf)
1271 {
1272         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1273
1274         if (!IS_CNA_CAPABLE(vha->hw))
1275                 return scnprintf(buf, PAGE_SIZE, "\n");
1276
1277         return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1278 }
1279
1280 static ssize_t
1281 qla2x00_vn_port_mac_address_show(struct device *dev,
1282     struct device_attribute *attr, char *buf)
1283 {
1284         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1285
1286         if (!IS_CNA_CAPABLE(vha->hw))
1287                 return scnprintf(buf, PAGE_SIZE, "\n");
1288
1289         return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1290 }
1291
1292 static ssize_t
1293 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1294     char *buf)
1295 {
1296         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1297
1298         return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1299 }
1300
1301 static ssize_t
1302 qla2x00_thermal_temp_show(struct device *dev,
1303         struct device_attribute *attr, char *buf)
1304 {
1305         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1306         uint16_t temp = 0;
1307
1308         if (qla2x00_reset_active(vha)) {
1309                 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1310                 goto done;
1311         }
1312
1313         if (vha->hw->flags.eeh_busy) {
1314                 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1315                 goto done;
1316         }
1317
1318         if (qla2x00_get_thermal_temp(vha, &temp) == QLA_SUCCESS)
1319                 return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1320
1321 done:
1322         return scnprintf(buf, PAGE_SIZE, "\n");
1323 }
1324
1325 static ssize_t
1326 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1327     char *buf)
1328 {
1329         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1330         int rval = QLA_FUNCTION_FAILED;
1331         uint16_t state[5];
1332         uint32_t pstate;
1333
1334         if (IS_QLAFX00(vha->hw)) {
1335                 pstate = qlafx00_fw_state_show(dev, attr, buf);
1336                 return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1337         }
1338
1339         if (qla2x00_reset_active(vha))
1340                 ql_log(ql_log_warn, vha, 0x707c,
1341                     "ISP reset active.\n");
1342         else if (!vha->hw->flags.eeh_busy)
1343                 rval = qla2x00_get_firmware_state(vha, state);
1344         if (rval != QLA_SUCCESS)
1345                 memset(state, -1, sizeof(state));
1346
1347         return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x\n", state[0],
1348             state[1], state[2], state[3], state[4]);
1349 }
1350
1351 static ssize_t
1352 qla2x00_diag_requests_show(struct device *dev,
1353         struct device_attribute *attr, char *buf)
1354 {
1355         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1356
1357         if (!IS_BIDI_CAPABLE(vha->hw))
1358                 return scnprintf(buf, PAGE_SIZE, "\n");
1359
1360         return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1361 }
1362
1363 static ssize_t
1364 qla2x00_diag_megabytes_show(struct device *dev,
1365         struct device_attribute *attr, char *buf)
1366 {
1367         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1368
1369         if (!IS_BIDI_CAPABLE(vha->hw))
1370                 return scnprintf(buf, PAGE_SIZE, "\n");
1371
1372         return scnprintf(buf, PAGE_SIZE, "%llu\n",
1373             vha->bidi_stats.transfer_bytes >> 20);
1374 }
1375
1376 static ssize_t
1377 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1378         char *buf)
1379 {
1380         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1381         struct qla_hw_data *ha = vha->hw;
1382         uint32_t size;
1383
1384         if (!ha->fw_dumped)
1385                 size = 0;
1386         else if (IS_QLA82XX(ha))
1387                 size = ha->md_template_size + ha->md_dump_size;
1388         else
1389                 size = ha->fw_dump_len;
1390
1391         return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1392 }
1393
1394 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1395 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1396 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1397 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1398 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1399 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1400 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1401 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1402 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1403 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1404 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1405                    qla2x00_zio_timer_store);
1406 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1407                    qla2x00_beacon_store);
1408 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1409                    qla2x00_optrom_bios_version_show, NULL);
1410 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1411                    qla2x00_optrom_efi_version_show, NULL);
1412 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1413                    qla2x00_optrom_fcode_version_show, NULL);
1414 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1415                    NULL);
1416 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1417     qla2x00_optrom_gold_fw_version_show, NULL);
1418 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1419                    NULL);
1420 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1421                    NULL);
1422 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1423 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1424 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1425                    NULL);
1426 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1427 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1428                    qla2x00_vn_port_mac_address_show, NULL);
1429 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1430 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1431 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1432 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1433 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1434 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1435
1436 struct device_attribute *qla2x00_host_attrs[] = {
1437         &dev_attr_driver_version,
1438         &dev_attr_fw_version,
1439         &dev_attr_serial_num,
1440         &dev_attr_isp_name,
1441         &dev_attr_isp_id,
1442         &dev_attr_model_name,
1443         &dev_attr_model_desc,
1444         &dev_attr_pci_info,
1445         &dev_attr_link_state,
1446         &dev_attr_zio,
1447         &dev_attr_zio_timer,
1448         &dev_attr_beacon,
1449         &dev_attr_optrom_bios_version,
1450         &dev_attr_optrom_efi_version,
1451         &dev_attr_optrom_fcode_version,
1452         &dev_attr_optrom_fw_version,
1453         &dev_attr_84xx_fw_version,
1454         &dev_attr_total_isp_aborts,
1455         &dev_attr_mpi_version,
1456         &dev_attr_phy_version,
1457         &dev_attr_flash_block_size,
1458         &dev_attr_vlan_id,
1459         &dev_attr_vn_port_mac_address,
1460         &dev_attr_fabric_param,
1461         &dev_attr_fw_state,
1462         &dev_attr_optrom_gold_fw_version,
1463         &dev_attr_thermal_temp,
1464         &dev_attr_diag_requests,
1465         &dev_attr_diag_megabytes,
1466         &dev_attr_fw_dump_size,
1467         NULL,
1468 };
1469
1470 /* Host attributes. */
1471
1472 static void
1473 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1474 {
1475         scsi_qla_host_t *vha = shost_priv(shost);
1476
1477         fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1478             vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1479 }
1480
1481 static void
1482 qla2x00_get_host_speed(struct Scsi_Host *shost)
1483 {
1484         struct qla_hw_data *ha = ((struct scsi_qla_host *)
1485                                         (shost_priv(shost)))->hw;
1486         u32 speed = FC_PORTSPEED_UNKNOWN;
1487
1488         if (IS_QLAFX00(ha)) {
1489                 qlafx00_get_host_speed(shost);
1490                 return;
1491         }
1492
1493         switch (ha->link_data_rate) {
1494         case PORT_SPEED_1GB:
1495                 speed = FC_PORTSPEED_1GBIT;
1496                 break;
1497         case PORT_SPEED_2GB:
1498                 speed = FC_PORTSPEED_2GBIT;
1499                 break;
1500         case PORT_SPEED_4GB:
1501                 speed = FC_PORTSPEED_4GBIT;
1502                 break;
1503         case PORT_SPEED_8GB:
1504                 speed = FC_PORTSPEED_8GBIT;
1505                 break;
1506         case PORT_SPEED_10GB:
1507                 speed = FC_PORTSPEED_10GBIT;
1508                 break;
1509         case PORT_SPEED_16GB:
1510                 speed = FC_PORTSPEED_16GBIT;
1511                 break;
1512         }
1513         fc_host_speed(shost) = speed;
1514 }
1515
1516 static void
1517 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1518 {
1519         scsi_qla_host_t *vha = shost_priv(shost);
1520         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1521
1522         if (vha->vp_idx) {
1523                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1524                 return;
1525         }
1526         switch (vha->hw->current_topology) {
1527         case ISP_CFG_NL:
1528                 port_type = FC_PORTTYPE_LPORT;
1529                 break;
1530         case ISP_CFG_FL:
1531                 port_type = FC_PORTTYPE_NLPORT;
1532                 break;
1533         case ISP_CFG_N:
1534                 port_type = FC_PORTTYPE_PTP;
1535                 break;
1536         case ISP_CFG_F:
1537                 port_type = FC_PORTTYPE_NPORT;
1538                 break;
1539         }
1540         fc_host_port_type(shost) = port_type;
1541 }
1542
1543 static void
1544 qla2x00_get_starget_node_name(struct scsi_target *starget)
1545 {
1546         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1547         scsi_qla_host_t *vha = shost_priv(host);
1548         fc_port_t *fcport;
1549         u64 node_name = 0;
1550
1551         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1552                 if (fcport->rport &&
1553                     starget->id == fcport->rport->scsi_target_id) {
1554                         node_name = wwn_to_u64(fcport->node_name);
1555                         break;
1556                 }
1557         }
1558
1559         fc_starget_node_name(starget) = node_name;
1560 }
1561
1562 static void
1563 qla2x00_get_starget_port_name(struct scsi_target *starget)
1564 {
1565         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1566         scsi_qla_host_t *vha = shost_priv(host);
1567         fc_port_t *fcport;
1568         u64 port_name = 0;
1569
1570         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1571                 if (fcport->rport &&
1572                     starget->id == fcport->rport->scsi_target_id) {
1573                         port_name = wwn_to_u64(fcport->port_name);
1574                         break;
1575                 }
1576         }
1577
1578         fc_starget_port_name(starget) = port_name;
1579 }
1580
1581 static void
1582 qla2x00_get_starget_port_id(struct scsi_target *starget)
1583 {
1584         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1585         scsi_qla_host_t *vha = shost_priv(host);
1586         fc_port_t *fcport;
1587         uint32_t port_id = ~0U;
1588
1589         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1590                 if (fcport->rport &&
1591                     starget->id == fcport->rport->scsi_target_id) {
1592                         port_id = fcport->d_id.b.domain << 16 |
1593                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1594                         break;
1595                 }
1596         }
1597
1598         fc_starget_port_id(starget) = port_id;
1599 }
1600
1601 static void
1602 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1603 {
1604         if (timeout)
1605                 rport->dev_loss_tmo = timeout;
1606         else
1607                 rport->dev_loss_tmo = 1;
1608 }
1609
1610 static void
1611 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1612 {
1613         struct Scsi_Host *host = rport_to_shost(rport);
1614         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1615         unsigned long flags;
1616
1617         if (!fcport)
1618                 return;
1619
1620         /* Now that the rport has been deleted, set the fcport state to
1621            FCS_DEVICE_DEAD */
1622         qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1623
1624         /*
1625          * Transport has effectively 'deleted' the rport, clear
1626          * all local references.
1627          */
1628         spin_lock_irqsave(host->host_lock, flags);
1629         fcport->rport = fcport->drport = NULL;
1630         *((fc_port_t **)rport->dd_data) = NULL;
1631         spin_unlock_irqrestore(host->host_lock, flags);
1632
1633         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1634                 return;
1635
1636         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1637                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1638                 return;
1639         }
1640 }
1641
1642 static void
1643 qla2x00_terminate_rport_io(struct fc_rport *rport)
1644 {
1645         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1646
1647         if (!fcport)
1648                 return;
1649
1650         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1651                 return;
1652
1653         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1654                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1655                 return;
1656         }
1657         /*
1658          * At this point all fcport's software-states are cleared.  Perform any
1659          * final cleanup of firmware resources (PCBs and XCBs).
1660          */
1661         if (fcport->loop_id != FC_NO_LOOP_ID) {
1662                 if (IS_FWI2_CAPABLE(fcport->vha->hw))
1663                         fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1664                             fcport->loop_id, fcport->d_id.b.domain,
1665                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1666                 else
1667                         qla2x00_port_logout(fcport->vha, fcport);
1668         }
1669 }
1670
1671 static int
1672 qla2x00_issue_lip(struct Scsi_Host *shost)
1673 {
1674         scsi_qla_host_t *vha = shost_priv(shost);
1675
1676         if (IS_QLAFX00(vha->hw))
1677                 return 0;
1678
1679         qla2x00_loop_reset(vha);
1680         return 0;
1681 }
1682
1683 static struct fc_host_statistics *
1684 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1685 {
1686         scsi_qla_host_t *vha = shost_priv(shost);
1687         struct qla_hw_data *ha = vha->hw;
1688         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1689         int rval;
1690         struct link_statistics *stats;
1691         dma_addr_t stats_dma;
1692         struct fc_host_statistics *pfc_host_stat;
1693
1694         pfc_host_stat = &vha->fc_host_stat;
1695         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1696
1697         if (IS_QLAFX00(vha->hw))
1698                 goto done;
1699
1700         if (test_bit(UNLOADING, &vha->dpc_flags))
1701                 goto done;
1702
1703         if (unlikely(pci_channel_offline(ha->pdev)))
1704                 goto done;
1705
1706         if (qla2x00_reset_active(vha))
1707                 goto done;
1708
1709         stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1710         if (stats == NULL) {
1711                 ql_log(ql_log_warn, vha, 0x707d,
1712                     "Failed to allocate memory for stats.\n");
1713                 goto done;
1714         }
1715         memset(stats, 0, DMA_POOL_SIZE);
1716
1717         rval = QLA_FUNCTION_FAILED;
1718         if (IS_FWI2_CAPABLE(ha)) {
1719                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1720         } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1721             !ha->dpc_active) {
1722                 /* Must be in a 'READY' state for statistics retrieval. */
1723                 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1724                                                 stats, stats_dma);
1725         }
1726
1727         if (rval != QLA_SUCCESS)
1728                 goto done_free;
1729
1730         pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1731         pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1732         pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1733         pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1734         pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1735         pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1736         if (IS_FWI2_CAPABLE(ha)) {
1737                 pfc_host_stat->lip_count = stats->lip_cnt;
1738                 pfc_host_stat->tx_frames = stats->tx_frames;
1739                 pfc_host_stat->rx_frames = stats->rx_frames;
1740                 pfc_host_stat->dumped_frames = stats->discarded_frames;
1741                 pfc_host_stat->nos_count = stats->nos_rcvd;
1742                 pfc_host_stat->error_frames =
1743                         stats->dropped_frames + stats->discarded_frames;
1744                 pfc_host_stat->rx_words = vha->qla_stats.input_bytes;
1745                 pfc_host_stat->tx_words = vha->qla_stats.output_bytes;
1746         }
1747         pfc_host_stat->fcp_control_requests = vha->qla_stats.control_requests;
1748         pfc_host_stat->fcp_input_requests = vha->qla_stats.input_requests;
1749         pfc_host_stat->fcp_output_requests = vha->qla_stats.output_requests;
1750         pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1751         pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1752         pfc_host_stat->seconds_since_last_reset =
1753                 get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
1754         do_div(pfc_host_stat->seconds_since_last_reset, HZ);
1755
1756 done_free:
1757         dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1758 done:
1759         return pfc_host_stat;
1760 }
1761
1762 static void
1763 qla2x00_reset_host_stats(struct Scsi_Host *shost)
1764 {
1765         scsi_qla_host_t *vha = shost_priv(shost);
1766
1767         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1768
1769         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1770 }
1771
1772 static void
1773 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1774 {
1775         scsi_qla_host_t *vha = shost_priv(shost);
1776
1777         qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost));
1778 }
1779
1780 static void
1781 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1782 {
1783         scsi_qla_host_t *vha = shost_priv(shost);
1784
1785         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1786 }
1787
1788 static void
1789 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1790 {
1791         scsi_qla_host_t *vha = shost_priv(shost);
1792         uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1793                 0xFF, 0xFF, 0xFF, 0xFF};
1794         u64 fabric_name = wwn_to_u64(node_name);
1795
1796         if (vha->device_flags & SWITCH_FOUND)
1797                 fabric_name = wwn_to_u64(vha->fabric_node_name);
1798
1799         fc_host_fabric_name(shost) = fabric_name;
1800 }
1801
1802 static void
1803 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1804 {
1805         scsi_qla_host_t *vha = shost_priv(shost);
1806         struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1807
1808         if (!base_vha->flags.online) {
1809                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1810                 return;
1811         }
1812
1813         switch (atomic_read(&base_vha->loop_state)) {
1814         case LOOP_UPDATE:
1815                 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1816                 break;
1817         case LOOP_DOWN:
1818                 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1819                         fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1820                 else
1821                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1822                 break;
1823         case LOOP_DEAD:
1824                 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1825                 break;
1826         case LOOP_READY:
1827                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1828                 break;
1829         default:
1830                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1831                 break;
1832         }
1833 }
1834
1835 static int
1836 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1837 {
1838         int     ret = 0;
1839         uint8_t qos = 0;
1840         scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1841         scsi_qla_host_t *vha = NULL;
1842         struct qla_hw_data *ha = base_vha->hw;
1843         uint16_t options = 0;
1844         int     cnt;
1845         struct req_que *req = ha->req_q_map[0];
1846
1847         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
1848         if (ret) {
1849                 ql_log(ql_log_warn, vha, 0x707e,
1850                     "Vport sanity check failed, status %x\n", ret);
1851                 return (ret);
1852         }
1853
1854         vha = qla24xx_create_vhost(fc_vport);
1855         if (vha == NULL) {
1856                 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
1857                 return FC_VPORT_FAILED;
1858         }
1859         if (disable) {
1860                 atomic_set(&vha->vp_state, VP_OFFLINE);
1861                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
1862         } else
1863                 atomic_set(&vha->vp_state, VP_FAILED);
1864
1865         /* ready to create vport */
1866         ql_log(ql_log_info, vha, 0x7080,
1867             "VP entry id %d assigned.\n", vha->vp_idx);
1868
1869         /* initialized vport states */
1870         atomic_set(&vha->loop_state, LOOP_DOWN);
1871         vha->vp_err_state=  VP_ERR_PORTDWN;
1872         vha->vp_prev_err_state=  VP_ERR_UNKWN;
1873         /* Check if physical ha port is Up */
1874         if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
1875             atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1876                 /* Don't retry or attempt login of this virtual port */
1877                 ql_dbg(ql_dbg_user, vha, 0x7081,
1878                     "Vport loop state is not UP.\n");
1879                 atomic_set(&vha->loop_state, LOOP_DEAD);
1880                 if (!disable)
1881                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
1882         }
1883
1884         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
1885                 if (ha->fw_attributes & BIT_4) {
1886                         int prot = 0, guard;
1887                         vha->flags.difdix_supported = 1;
1888                         ql_dbg(ql_dbg_user, vha, 0x7082,
1889                             "Registered for DIF/DIX type 1 and 3 protection.\n");
1890                         if (ql2xenabledif == 1)
1891                                 prot = SHOST_DIX_TYPE0_PROTECTION;
1892                         scsi_host_set_prot(vha->host,
1893                             prot | SHOST_DIF_TYPE1_PROTECTION
1894                             | SHOST_DIF_TYPE2_PROTECTION
1895                             | SHOST_DIF_TYPE3_PROTECTION
1896                             | SHOST_DIX_TYPE1_PROTECTION
1897                             | SHOST_DIX_TYPE2_PROTECTION
1898                             | SHOST_DIX_TYPE3_PROTECTION);
1899
1900                         guard = SHOST_DIX_GUARD_CRC;
1901
1902                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
1903                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
1904                                 guard |= SHOST_DIX_GUARD_IP;
1905
1906                         scsi_host_set_guard(vha->host, guard);
1907                 } else
1908                         vha->flags.difdix_supported = 0;
1909         }
1910
1911         if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
1912                                    &ha->pdev->dev)) {
1913                 ql_dbg(ql_dbg_user, vha, 0x7083,
1914                     "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
1915                 goto vport_create_failed_2;
1916         }
1917
1918         /* initialize attributes */
1919         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
1920         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1921         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1922         fc_host_supported_classes(vha->host) =
1923                 fc_host_supported_classes(base_vha->host);
1924         fc_host_supported_speeds(vha->host) =
1925                 fc_host_supported_speeds(base_vha->host);
1926
1927         qlt_vport_create(vha, ha);
1928         qla24xx_vport_disable(fc_vport, disable);
1929
1930         if (ha->flags.cpu_affinity_enabled) {
1931                 req = ha->req_q_map[1];
1932                 ql_dbg(ql_dbg_multiq, vha, 0xc000,
1933                     "Request queue %p attached with "
1934                     "VP[%d], cpu affinity =%d\n",
1935                     req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
1936                 goto vport_queue;
1937         } else if (ql2xmaxqueues == 1 || !ha->npiv_info)
1938                 goto vport_queue;
1939         /* Create a request queue in QoS mode for the vport */
1940         for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
1941                 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
1942                         && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
1943                                         8) == 0) {
1944                         qos = ha->npiv_info[cnt].q_qos;
1945                         break;
1946                 }
1947         }
1948
1949         if (qos) {
1950                 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
1951                         qos);
1952                 if (!ret)
1953                         ql_log(ql_log_warn, vha, 0x7084,
1954                             "Can't create request queue for VP[%d]\n",
1955                             vha->vp_idx);
1956                 else {
1957                         ql_dbg(ql_dbg_multiq, vha, 0xc001,
1958                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
1959                             ret, qos, vha->vp_idx);
1960                         ql_dbg(ql_dbg_user, vha, 0x7085,
1961                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
1962                             ret, qos, vha->vp_idx);
1963                         req = ha->req_q_map[ret];
1964                 }
1965         }
1966
1967 vport_queue:
1968         vha->req = req;
1969         return 0;
1970
1971 vport_create_failed_2:
1972         qla24xx_disable_vp(vha);
1973         qla24xx_deallocate_vp_id(vha);
1974         scsi_host_put(vha->host);
1975         return FC_VPORT_FAILED;
1976 }
1977
1978 static int
1979 qla24xx_vport_delete(struct fc_vport *fc_vport)
1980 {
1981         scsi_qla_host_t *vha = fc_vport->dd_data;
1982         struct qla_hw_data *ha = vha->hw;
1983         uint16_t id = vha->vp_idx;
1984
1985         while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
1986             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
1987                 msleep(1000);
1988
1989         qla24xx_disable_vp(vha);
1990
1991         vha->flags.delete_progress = 1;
1992
1993         qlt_remove_target(ha, vha);
1994
1995         fc_remove_host(vha->host);
1996
1997         scsi_remove_host(vha->host);
1998
1999         /* Allow timer to run to drain queued items, when removing vp */
2000         qla24xx_deallocate_vp_id(vha);
2001
2002         if (vha->timer_active) {
2003                 qla2x00_vp_stop_timer(vha);
2004                 ql_dbg(ql_dbg_user, vha, 0x7086,
2005                     "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2006         }
2007
2008         BUG_ON(atomic_read(&vha->vref_count));
2009
2010         qla2x00_free_fcports(vha);
2011
2012         mutex_lock(&ha->vport_lock);
2013         ha->cur_vport_count--;
2014         clear_bit(vha->vp_idx, ha->vp_idx_map);
2015         mutex_unlock(&ha->vport_lock);
2016
2017         if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
2018                 if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
2019                         ql_log(ql_log_warn, vha, 0x7087,
2020                             "Queue delete failed.\n");
2021         }
2022
2023         ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2024         scsi_host_put(vha->host);
2025         return 0;
2026 }
2027
2028 static int
2029 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2030 {
2031         scsi_qla_host_t *vha = fc_vport->dd_data;
2032
2033         if (disable)
2034                 qla24xx_disable_vp(vha);
2035         else
2036                 qla24xx_enable_vp(vha);
2037
2038         return 0;
2039 }
2040
2041 struct fc_function_template qla2xxx_transport_functions = {
2042
2043         .show_host_node_name = 1,
2044         .show_host_port_name = 1,
2045         .show_host_supported_classes = 1,
2046         .show_host_supported_speeds = 1,
2047
2048         .get_host_port_id = qla2x00_get_host_port_id,
2049         .show_host_port_id = 1,
2050         .get_host_speed = qla2x00_get_host_speed,
2051         .show_host_speed = 1,
2052         .get_host_port_type = qla2x00_get_host_port_type,
2053         .show_host_port_type = 1,
2054         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2055         .show_host_symbolic_name = 1,
2056         .set_host_system_hostname = qla2x00_set_host_system_hostname,
2057         .show_host_system_hostname = 1,
2058         .get_host_fabric_name = qla2x00_get_host_fabric_name,
2059         .show_host_fabric_name = 1,
2060         .get_host_port_state = qla2x00_get_host_port_state,
2061         .show_host_port_state = 1,
2062
2063         .dd_fcrport_size = sizeof(struct fc_port *),
2064         .show_rport_supported_classes = 1,
2065
2066         .get_starget_node_name = qla2x00_get_starget_node_name,
2067         .show_starget_node_name = 1,
2068         .get_starget_port_name = qla2x00_get_starget_port_name,
2069         .show_starget_port_name = 1,
2070         .get_starget_port_id  = qla2x00_get_starget_port_id,
2071         .show_starget_port_id = 1,
2072
2073         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2074         .show_rport_dev_loss_tmo = 1,
2075
2076         .issue_fc_host_lip = qla2x00_issue_lip,
2077         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2078         .terminate_rport_io = qla2x00_terminate_rport_io,
2079         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2080         .reset_fc_host_stats = qla2x00_reset_host_stats,
2081
2082         .vport_create = qla24xx_vport_create,
2083         .vport_disable = qla24xx_vport_disable,
2084         .vport_delete = qla24xx_vport_delete,
2085         .bsg_request = qla24xx_bsg_request,
2086         .bsg_timeout = qla24xx_bsg_timeout,
2087 };
2088
2089 struct fc_function_template qla2xxx_transport_vport_functions = {
2090
2091         .show_host_node_name = 1,
2092         .show_host_port_name = 1,
2093         .show_host_supported_classes = 1,
2094
2095         .get_host_port_id = qla2x00_get_host_port_id,
2096         .show_host_port_id = 1,
2097         .get_host_speed = qla2x00_get_host_speed,
2098         .show_host_speed = 1,
2099         .get_host_port_type = qla2x00_get_host_port_type,
2100         .show_host_port_type = 1,
2101         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2102         .show_host_symbolic_name = 1,
2103         .set_host_system_hostname = qla2x00_set_host_system_hostname,
2104         .show_host_system_hostname = 1,
2105         .get_host_fabric_name = qla2x00_get_host_fabric_name,
2106         .show_host_fabric_name = 1,
2107         .get_host_port_state = qla2x00_get_host_port_state,
2108         .show_host_port_state = 1,
2109
2110         .dd_fcrport_size = sizeof(struct fc_port *),
2111         .show_rport_supported_classes = 1,
2112
2113         .get_starget_node_name = qla2x00_get_starget_node_name,
2114         .show_starget_node_name = 1,
2115         .get_starget_port_name = qla2x00_get_starget_port_name,
2116         .show_starget_port_name = 1,
2117         .get_starget_port_id  = qla2x00_get_starget_port_id,
2118         .show_starget_port_id = 1,
2119
2120         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2121         .show_rport_dev_loss_tmo = 1,
2122
2123         .issue_fc_host_lip = qla2x00_issue_lip,
2124         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2125         .terminate_rport_io = qla2x00_terminate_rport_io,
2126         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2127         .reset_fc_host_stats = qla2x00_reset_host_stats,
2128
2129         .bsg_request = qla24xx_bsg_request,
2130         .bsg_timeout = qla24xx_bsg_timeout,
2131 };
2132
2133 void
2134 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2135 {
2136         struct qla_hw_data *ha = vha->hw;
2137         u32 speed = FC_PORTSPEED_UNKNOWN;
2138
2139         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2140         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2141         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2142         fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
2143                         (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2144         fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2145         fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2146
2147         if (IS_CNA_CAPABLE(ha))
2148                 speed = FC_PORTSPEED_10GBIT;
2149         else if (IS_QLA2031(ha))
2150                 speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2151                     FC_PORTSPEED_4GBIT;
2152         else if (IS_QLA25XX(ha))
2153                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2154                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2155         else if (IS_QLA24XX_TYPE(ha))
2156                 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2157                     FC_PORTSPEED_1GBIT;
2158         else if (IS_QLA23XX(ha))
2159                 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2160         else if (IS_QLAFX00(ha))
2161                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2162                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2163         else
2164                 speed = FC_PORTSPEED_1GBIT;
2165         fc_host_supported_speeds(vha->host) = speed;
2166 }