drivers/scsi/qla2xxx/qla_attr.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2012 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_QLA82XX(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_QLA82XX(vha->hw)) {
  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
  99                         qla2x00_system_error(vha);
 100                 break;
 101         case 4:
 102                 if (IS_QLA82XX(ha)) {
 103                         if (ha->md_tmplt_hdr)
 104                                 ql_dbg(ql_dbg_user, vha, 0x705b,
 105                                     "MiniDump supported with this firmware.\n");
 106                         else
 107                                 ql_dbg(ql_dbg_user, vha, 0x709d,
 108                                     "MiniDump not supported with this firmware.\n");
 109                 }
 110                 break;
 111         case 5:
 112                 if (IS_QLA82XX(ha))
 113                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 114                 break;
 115         case 6:
 116                 if (!ha->mctp_dump_reading)
 117                         break;
 118                 ql_log(ql_log_info, vha, 0x70c1,
 119                     "MCTP dump cleared on (%ld).\n", vha->host_no);
 120                 ha->mctp_dump_reading = 0;
 121                 ha->mctp_dumped = 0;
 122                 break;
 123         case 7:
 124                 if (ha->mctp_dumped && !ha->mctp_dump_reading) {
 125                         ha->mctp_dump_reading = 1;
 126                         ql_log(ql_log_info, vha, 0x70c2,
 127                             "Raw mctp dump ready for read on (%ld).\n",
 128                             vha->host_no);
 129                 }
 130                 break;
 131         }
 132         return count;
 133 }
 134
 135 static struct bin_attribute sysfs_fw_dump_attr = {
 136         .attr = {
 137                 .name = "fw_dump",
 138                 .mode = S_IRUSR | S_IWUSR,
 139         },
 140         .size = 0,
 141         .read = qla2x00_sysfs_read_fw_dump,
 142         .write = qla2x00_sysfs_write_fw_dump,
 143 };
 144
 145 static ssize_t
 146 qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
 147                          struct bin_attribute *bin_attr,
 148                          char *buf, loff_t off, size_t count)
 149 {
 150         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 151             struct device, kobj)));
 152         struct qla_hw_data *ha = vha->hw;
 153
 154         if (!capable(CAP_SYS_ADMIN))
 155                 return 0;
 156
 157         if (IS_NOCACHE_VPD_TYPE(ha))
 158                 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
 159                     ha->nvram_size);
 160         return memory_read_from_buffer(buf, count, &off, ha->nvram,
 161                                         ha->nvram_size);
 162 }
 163
 164 static ssize_t
 165 qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
 166                           struct bin_attribute *bin_attr,
 167                           char *buf, loff_t off, size_t count)
 168 {
 169         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 170             struct device, kobj)));
 171         struct qla_hw_data *ha = vha->hw;
 172         uint16_t        cnt;
 173
 174         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
 175             !ha->isp_ops->write_nvram)
 176                 return -EINVAL;
 177
 178         /* Checksum NVRAM. */
 179         if (IS_FWI2_CAPABLE(ha)) {
 180                 uint32_t *iter;
 181                 uint32_t chksum;
 182
 183                 iter = (uint32_t *)buf;
 184                 chksum = 0;
 185                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
 186                         chksum += le32_to_cpu(*iter++);
 187                 chksum = ~chksum + 1;
 188                 *iter = cpu_to_le32(chksum);
 189         } else {
 190                 uint8_t *iter;
 191                 uint8_t chksum;
 192
 193                 iter = (uint8_t *)buf;
 194                 chksum = 0;
 195                 for (cnt = 0; cnt < count - 1; cnt++)
 196                         chksum += *iter++;
 197                 chksum = ~chksum + 1;
 198                 *iter = chksum;
 199         }
 200
 201         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 202                 ql_log(ql_log_warn, vha, 0x705f,
 203                     "HBA not online, failing NVRAM update.\n");
 204                 return -EAGAIN;
 205         }
 206
 207         /* Write NVRAM. */
 208         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
 209         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
 210             count);
 211
 212         ql_dbg(ql_dbg_user, vha, 0x7060,
 213             "Setting ISP_ABORT_NEEDED\n");
 214         /* NVRAM settings take effect immediately. */
 215         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 216         qla2xxx_wake_dpc(vha);
 217         qla2x00_wait_for_chip_reset(vha);
 218
 219         return count;
 220 }
 221
 222 static struct bin_attribute sysfs_nvram_attr = {
 223         .attr = {
 224                 .name = "nvram",
 225                 .mode = S_IRUSR | S_IWUSR,
 226         },
 227         .size = 512,
 228         .read = qla2x00_sysfs_read_nvram,
 229         .write = qla2x00_sysfs_write_nvram,
 230 };
 231
 232 static ssize_t
 233 qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
 234                           struct bin_attribute *bin_attr,
 235                           char *buf, loff_t off, size_t count)
 236 {
 237         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 238             struct device, kobj)));
 239         struct qla_hw_data *ha = vha->hw;
 240
 241         if (ha->optrom_state != QLA_SREADING)
 242                 return 0;
 243
 244         return memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
 245                                         ha->optrom_region_size);
 246 }
 247
 248 static ssize_t
 249 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
 250                            struct bin_attribute *bin_attr,
 251                            char *buf, loff_t off, size_t count)
 252 {
 253         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 254             struct device, kobj)));
 255         struct qla_hw_data *ha = vha->hw;
 256
 257         if (ha->optrom_state != QLA_SWRITING)
 258                 return -EINVAL;
 259         if (off > ha->optrom_region_size)
 260                 return -ERANGE;
 261         if (off + count > ha->optrom_region_size)
 262                 count = ha->optrom_region_size - off;
 263
 264         memcpy(&ha->optrom_buffer[off], buf, count);
 265
 266         return count;
 267 }
 268
 269 static struct bin_attribute sysfs_optrom_attr = {
 270         .attr = {
 271                 .name = "optrom",
 272                 .mode = S_IRUSR | S_IWUSR,
 273         },
 274         .size = 0,
 275         .read = qla2x00_sysfs_read_optrom,
 276         .write = qla2x00_sysfs_write_optrom,
 277 };
 278
 279 static ssize_t
 280 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 281                                struct bin_attribute *bin_attr,
 282                                char *buf, loff_t off, size_t count)
 283 {
 284         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 285             struct device, kobj)));
 286         struct qla_hw_data *ha = vha->hw;
 287
 288         uint32_t start = 0;
 289         uint32_t size = ha->optrom_size;
 290         int val, valid;
 291
 292         if (off)
 293                 return -EINVAL;
 294
 295         if (unlikely(pci_channel_offline(ha->pdev)))
 296                 return -EAGAIN;
 297
 298         if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
 299                 return -EINVAL;
 300         if (start > ha->optrom_size)
 301                 return -EINVAL;
 302
 303         switch (val) {
 304         case 0:
 305                 if (ha->optrom_state != QLA_SREADING &&
 306                     ha->optrom_state != QLA_SWRITING)
 307                         return -EINVAL;
 308
 309                 ha->optrom_state = QLA_SWAITING;
 310
 311                 ql_dbg(ql_dbg_user, vha, 0x7061,
 312                     "Freeing flash region allocation -- 0x%x bytes.\n",
 313                     ha->optrom_region_size);
 314
 315                 vfree(ha->optrom_buffer);
 316                 ha->optrom_buffer = NULL;
 317                 break;
 318         case 1:
 319                 if (ha->optrom_state != QLA_SWAITING)
 320                         return -EINVAL;
 321
 322                 ha->optrom_region_start = start;
 323                 ha->optrom_region_size = start + size > ha->optrom_size ?
 324                     ha->optrom_size - start : size;
 325
 326                 ha->optrom_state = QLA_SREADING;
 327                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
 328                 if (ha->optrom_buffer == NULL) {
 329                         ql_log(ql_log_warn, vha, 0x7062,
 330                             "Unable to allocate memory for optrom retrieval "
 331                             "(%x).\n", ha->optrom_region_size);
 332
 333                         ha->optrom_state = QLA_SWAITING;
 334                         return -ENOMEM;
 335                 }
 336
 337                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 338                         ql_log(ql_log_warn, vha, 0x7063,
 339                             "HBA not online, failing NVRAM update.\n");
 340                         return -EAGAIN;
 341                 }
 342
 343                 ql_dbg(ql_dbg_user, vha, 0x7064,
 344                     "Reading flash region -- 0x%x/0x%x.\n",
 345                     ha->optrom_region_start, ha->optrom_region_size);
 346
 347                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
 348                 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
 349                     ha->optrom_region_start, ha->optrom_region_size);
 350                 break;
 351         case 2:
 352                 if (ha->optrom_state != QLA_SWAITING)
 353                         return -EINVAL;
 354
 355                 /*
 356                  * We need to be more restrictive on which FLASH regions are
 357                  * allowed to be updated via user-space.  Regions accessible
 358                  * via this method include:
 359                  *
 360                  * ISP21xx/ISP22xx/ISP23xx type boards:
 361                  *
 362                  *      0x000000 -> 0x020000 -- Boot code.
 363                  *
 364                  * ISP2322/ISP24xx type boards:
 365                  *
 366                  *      0x000000 -> 0x07ffff -- Boot code.
 367                  *      0x080000 -> 0x0fffff -- Firmware.
 368                  *
 369                  * ISP25xx type boards:
 370                  *
 371                  *      0x000000 -> 0x07ffff -- Boot code.
 372                  *      0x080000 -> 0x0fffff -- Firmware.
 373                  *      0x120000 -> 0x12ffff -- VPD and HBA parameters.
 374                  */
 375                 valid = 0;
 376                 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
 377                         valid = 1;
 378                 else if (start == (ha->flt_region_boot * 4) ||
 379                     start == (ha->flt_region_fw * 4))
 380                         valid = 1;
 381                 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)
 382                         || IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
 383                         valid = 1;
 384                 if (!valid) {
 385                         ql_log(ql_log_warn, vha, 0x7065,
 386                             "Invalid start region 0x%x/0x%x.\n", start, size);
 387                         return -EINVAL;
 388                 }
 389
 390                 ha->optrom_region_start = start;
 391                 ha->optrom_region_size = start + size > ha->optrom_size ?
 392                     ha->optrom_size - start : size;
 393
 394                 ha->optrom_state = QLA_SWRITING;
 395                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
 396                 if (ha->optrom_buffer == NULL) {
 397                         ql_log(ql_log_warn, vha, 0x7066,
 398                             "Unable to allocate memory for optrom update "
 399                             "(%x)\n", ha->optrom_region_size);
 400
 401                         ha->optrom_state = QLA_SWAITING;
 402                         return -ENOMEM;
 403                 }
 404
 405                 ql_dbg(ql_dbg_user, vha, 0x7067,
 406                     "Staging flash region write -- 0x%x/0x%x.\n",
 407                     ha->optrom_region_start, ha->optrom_region_size);
 408
 409                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
 410                 break;
 411         case 3:
 412                 if (ha->optrom_state != QLA_SWRITING)
 413                         return -EINVAL;
 414
 415                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 416                         ql_log(ql_log_warn, vha, 0x7068,
 417                             "HBA not online, failing flash update.\n");
 418                         return -EAGAIN;
 419                 }
 420
 421                 ql_dbg(ql_dbg_user, vha, 0x7069,
 422                     "Writing flash region -- 0x%x/0x%x.\n",
 423                     ha->optrom_region_start, ha->optrom_region_size);
 424
 425                 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
 426                     ha->optrom_region_start, ha->optrom_region_size);
 427                 break;
 428         default:
 429                 return -EINVAL;
 430         }
 431         return count;
 432 }
 433
 434 static struct bin_attribute sysfs_optrom_ctl_attr = {
 435         .attr = {
 436                 .name = "optrom_ctl",
 437                 .mode = S_IWUSR,
 438         },
 439         .size = 0,
 440         .write = qla2x00_sysfs_write_optrom_ctl,
 441 };
 442
 443 static ssize_t
 444 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
 445                        struct bin_attribute *bin_attr,
 446                        char *buf, loff_t off, size_t count)
 447 {
 448         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 449             struct device, kobj)));
 450         struct qla_hw_data *ha = vha->hw;
 451
 452         if (unlikely(pci_channel_offline(ha->pdev)))
 453                 return -EAGAIN;
 454
 455         if (!capable(CAP_SYS_ADMIN))
 456                 return -EINVAL;
 457
 458         if (IS_NOCACHE_VPD_TYPE(ha))
 459                 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
 460                     ha->vpd_size);
 461         return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
 462 }
 463
 464 static ssize_t
 465 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
 466                         struct bin_attribute *bin_attr,
 467                         char *buf, loff_t off, size_t count)
 468 {
 469         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 470             struct device, kobj)));
 471         struct qla_hw_data *ha = vha->hw;
 472         uint8_t *tmp_data;
 473
 474         if (unlikely(pci_channel_offline(ha->pdev)))
 475                 return 0;
 476
 477         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
 478             !ha->isp_ops->write_nvram)
 479                 return 0;
 480
 481         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 482                 ql_log(ql_log_warn, vha, 0x706a,
 483                     "HBA not online, failing VPD update.\n");
 484                 return -EAGAIN;
 485         }
 486
 487         /* Write NVRAM. */
 488         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
 489         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
 490
 491         /* Update flash version information for 4Gb & above. */
 492         if (!IS_FWI2_CAPABLE(ha))
 493                 return -EINVAL;
 494
 495         tmp_data = vmalloc(256);
 496         if (!tmp_data) {
 497                 ql_log(ql_log_warn, vha, 0x706b,
 498                     "Unable to allocate memory for VPD information update.\n");
 499                 return -ENOMEM;
 500         }
 501         ha->isp_ops->get_flash_version(vha, tmp_data);
 502         vfree(tmp_data);
 503
 504         return count;
 505 }
 506
 507 static struct bin_attribute sysfs_vpd_attr = {
 508         .attr = {
 509                 .name = "vpd",
 510                 .mode = S_IRUSR | S_IWUSR,
 511         },
 512         .size = 0,
 513         .read = qla2x00_sysfs_read_vpd,
 514         .write = qla2x00_sysfs_write_vpd,
 515 };
 516
 517 static ssize_t
 518 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
 519                        struct bin_attribute *bin_attr,
 520                        char *buf, loff_t off, size_t count)
 521 {
 522         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 523             struct device, kobj)));
 524         struct qla_hw_data *ha = vha->hw;
 525         uint16_t iter, addr, offset;
 526         int rval;
 527
 528         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
 529                 return 0;
 530
 531         if (ha->sfp_data)
 532                 goto do_read;
 533
 534         ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
 535             &ha->sfp_data_dma);
 536         if (!ha->sfp_data) {
 537                 ql_log(ql_log_warn, vha, 0x706c,
 538                     "Unable to allocate memory for SFP read-data.\n");
 539                 return 0;
 540         }
 541
 542 do_read:
 543         memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
 544         addr = 0xa0;
 545         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
 546             iter++, offset += SFP_BLOCK_SIZE) {
 547                 if (iter == 4) {
 548                         /* Skip to next device address. */
 549                         addr = 0xa2;
 550                         offset = 0;
 551                 }
 552
 553                 rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
 554                     addr, offset, SFP_BLOCK_SIZE, 0);
 555                 if (rval != QLA_SUCCESS) {
 556                         ql_log(ql_log_warn, vha, 0x706d,
 557                             "Unable to read SFP data (%x/%x/%x).\n", rval,
 558                             addr, offset);
 559
 560                         return -EIO;
 561                 }
 562                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 563                 buf += SFP_BLOCK_SIZE;
 564         }
 565
 566         return count;
 567 }
 568
 569 static struct bin_attribute sysfs_sfp_attr = {
 570         .attr = {
 571                 .name = "sfp",
 572                 .mode = S_IRUSR | S_IWUSR,
 573         },
 574         .size = SFP_DEV_SIZE * 2,
 575         .read = qla2x00_sysfs_read_sfp,
 576 };
 577
 578 static ssize_t
 579 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
 580                         struct bin_attribute *bin_attr,
 581                         char *buf, loff_t off, size_t count)
 582 {
 583         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 584             struct device, kobj)));
 585         struct qla_hw_data *ha = vha->hw;
 586         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 587         int type;
 588         uint32_t idc_control;
 589
 590         if (off != 0)
 591                 return -EINVAL;
 592
 593         type = simple_strtol(buf, NULL, 10);
 594         switch (type) {
 595         case 0x2025c:
 596                 ql_log(ql_log_info, vha, 0x706e,
 597                     "Issuing ISP reset.\n");
 598
 599                 scsi_block_requests(vha->host);
 600                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 601                 if (IS_QLA82XX(ha)) {
 602                         ha->flags.isp82xx_no_md_cap = 1;
 603                         qla82xx_idc_lock(ha);
 604                         qla82xx_set_reset_owner(vha);
 605                         qla82xx_idc_unlock(ha);
 606                 }
 607                 qla2xxx_wake_dpc(vha);
 608                 qla2x00_wait_for_chip_reset(vha);
 609                 scsi_unblock_requests(vha->host);
 610                 break;
 611         case 0x2025d:
 612                 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
 613                         return -EPERM;
 614
 615                 ql_log(ql_log_info, vha, 0x706f,
 616                     "Issuing MPI reset.\n");
 617
 618                 if (IS_QLA83XX(ha)) {
 619                         uint32_t idc_control;
 620
 621                         qla83xx_idc_lock(vha, 0);
 622                         __qla83xx_get_idc_control(vha, &idc_control);
 623                         idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
 624                         __qla83xx_set_idc_control(vha, idc_control);
 625                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 626                             QLA8XXX_DEV_NEED_RESET);
 627                         qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
 628                         qla83xx_idc_unlock(vha, 0);
 629                         break;
 630                 } else {
 631                         /* Make sure FC side is not in reset */
 632                         qla2x00_wait_for_hba_online(vha);
 633
 634                         /* Issue MPI reset */
 635                         scsi_block_requests(vha->host);
 636                         if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
 637                                 ql_log(ql_log_warn, vha, 0x7070,
 638                                     "MPI reset failed.\n");
 639                         scsi_unblock_requests(vha->host);
 640                         break;
 641                 }
 642         case 0x2025e:
 643                 if (!IS_QLA82XX(ha) || vha != base_vha) {
 644                         ql_log(ql_log_info, vha, 0x7071,
 645                             "FCoE ctx reset no supported.\n");
 646                         return -EPERM;
 647                 }
 648
 649                 ql_log(ql_log_info, vha, 0x7072,
 650                     "Issuing FCoE ctx reset.\n");
 651                 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
 652                 qla2xxx_wake_dpc(vha);
 653                 qla2x00_wait_for_fcoe_ctx_reset(vha);
 654                 break;
 655         case 0x2025f:
 656                 if (!IS_QLA8031(ha))
 657                         return -EPERM;
 658                 ql_log(ql_log_info, vha, 0x70bc,
 659                     "Disabling Reset by IDC control\n");
 660                 qla83xx_idc_lock(vha, 0);
 661                 __qla83xx_get_idc_control(vha, &idc_control);
 662                 idc_control |= QLA83XX_IDC_RESET_DISABLED;
 663                 __qla83xx_set_idc_control(vha, idc_control);
 664                 qla83xx_idc_unlock(vha, 0);
 665                 break;
 666         case 0x20260:
 667                 if (!IS_QLA8031(ha))
 668                         return -EPERM;
 669                 ql_log(ql_log_info, vha, 0x70bd,
 670                     "Enabling Reset by IDC control\n");
 671                 qla83xx_idc_lock(vha, 0);
 672                 __qla83xx_get_idc_control(vha, &idc_control);
 673                 idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
 674                 __qla83xx_set_idc_control(vha, idc_control);
 675                 qla83xx_idc_unlock(vha, 0);
 676                 break;
 677
 678         }
 679         return count;
 680 }
 681
 682 static struct bin_attribute sysfs_reset_attr = {
 683         .attr = {
 684                 .name = "reset",
 685                 .mode = S_IWUSR,
 686         },
 687         .size = 0,
 688         .write = qla2x00_sysfs_write_reset,
 689 };
 690
 691 static ssize_t
 692 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
 693                        struct bin_attribute *bin_attr,
 694                        char *buf, loff_t off, size_t count)
 695 {
 696         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 697             struct device, kobj)));
 698         struct qla_hw_data *ha = vha->hw;
 699         int rval;
 700         uint16_t actual_size;
 701
 702         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
 703                 return 0;
 704
 705         if (ha->xgmac_data)
 706                 goto do_read;
 707
 708         ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
 709             &ha->xgmac_data_dma, GFP_KERNEL);
 710         if (!ha->xgmac_data) {
 711                 ql_log(ql_log_warn, vha, 0x7076,
 712                     "Unable to allocate memory for XGMAC read-data.\n");
 713                 return 0;
 714         }
 715
 716 do_read:
 717         actual_size = 0;
 718         memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
 719
 720         rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
 721             XGMAC_DATA_SIZE, &actual_size);
 722         if (rval != QLA_SUCCESS) {
 723                 ql_log(ql_log_warn, vha, 0x7077,
 724                     "Unable to read XGMAC data (%x).\n", rval);
 725                 count = 0;
 726         }
 727
 728         count = actual_size > count ? count: actual_size;
 729         memcpy(buf, ha->xgmac_data, count);
 730
 731         return count;
 732 }
 733
 734 static struct bin_attribute sysfs_xgmac_stats_attr = {
 735         .attr = {
 736                 .name = "xgmac_stats",
 737                 .mode = S_IRUSR,
 738         },
 739         .size = 0,
 740         .read = qla2x00_sysfs_read_xgmac_stats,
 741 };
 742
 743 static ssize_t
 744 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
 745                        struct bin_attribute *bin_attr,
 746                        char *buf, loff_t off, size_t count)
 747 {
 748         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 749             struct device, kobj)));
 750         struct qla_hw_data *ha = vha->hw;
 751         int rval;
 752         uint16_t actual_size;
 753
 754         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
 755                 return 0;
 756
 757         if (ha->dcbx_tlv)
 758                 goto do_read;
 759
 760         ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
 761             &ha->dcbx_tlv_dma, GFP_KERNEL);
 762         if (!ha->dcbx_tlv) {
 763                 ql_log(ql_log_warn, vha, 0x7078,
 764                     "Unable to allocate memory for DCBX TLV read-data.\n");
 765                 return -ENOMEM;
 766         }
 767
 768 do_read:
 769         actual_size = 0;
 770         memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
 771
 772         rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
 773             DCBX_TLV_DATA_SIZE);
 774         if (rval != QLA_SUCCESS) {
 775                 ql_log(ql_log_warn, vha, 0x7079,
 776                     "Unable to read DCBX TLV (%x).\n", rval);
 777                 return -EIO;
 778         }
 779
 780         memcpy(buf, ha->dcbx_tlv, count);
 781
 782         return count;
 783 }
 784
 785 static struct bin_attribute sysfs_dcbx_tlv_attr = {
 786         .attr = {
 787                 .name = "dcbx_tlv",
 788                 .mode = S_IRUSR,
 789         },
 790         .size = 0,
 791         .read = qla2x00_sysfs_read_dcbx_tlv,
 792 };
 793
 794 static struct sysfs_entry {
 795         char *name;
 796         struct bin_attribute *attr;
 797         int is4GBp_only;
 798 } bin_file_entries[] = {
 799         { "fw_dump", &sysfs_fw_dump_attr, },
 800         { "nvram", &sysfs_nvram_attr, },
 801         { "optrom", &sysfs_optrom_attr, },
 802         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
 803         { "vpd", &sysfs_vpd_attr, 1 },
 804         { "sfp", &sysfs_sfp_attr, 1 },
 805         { "reset", &sysfs_reset_attr, },
 806         { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
 807         { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
 808         { NULL },
 809 };
 810
 811 void
 812 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
 813 {
 814         struct Scsi_Host *host = vha->host;
 815         struct sysfs_entry *iter;
 816         int ret;
 817
 818         for (iter = bin_file_entries; iter->name; iter++) {
 819                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
 820                         continue;
 821                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
 822                         continue;
 823                 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
 824                         continue;
 825
 826                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
 827                     iter->attr);
 828                 if (ret)
 829                         ql_log(ql_log_warn, vha, 0x00f3,
 830                             "Unable to create sysfs %s binary attribute (%d).\n",
 831                             iter->name, ret);
 832                 else
 833                         ql_dbg(ql_dbg_init, vha, 0x00f4,
 834                             "Successfully created sysfs %s binary attribure.\n",
 835                             iter->name);
 836         }
 837 }
 838
 839 void
 840 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
 841 {
 842         struct Scsi_Host *host = vha->host;
 843         struct sysfs_entry *iter;
 844         struct qla_hw_data *ha = vha->hw;
 845
 846         for (iter = bin_file_entries; iter->name; iter++) {
 847                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
 848                         continue;
 849                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
 850                         continue;
 851                 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
 852                         continue;
 853
 854                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
 855                     iter->attr);
 856         }
 857
 858         if (ha->beacon_blink_led == 1)
 859                 ha->isp_ops->beacon_off(vha);
 860 }
 861
 862 /* Scsi_Host attributes. */
 863
 864 static ssize_t
 865 qla2x00_drvr_version_show(struct device *dev,
 866                           struct device_attribute *attr, char *buf)
 867 {
 868         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 869 }
 870
 871 static ssize_t
 872 qla2x00_fw_version_show(struct device *dev,
 873                         struct device_attribute *attr, char *buf)
 874 {
 875         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 876         struct qla_hw_data *ha = vha->hw;
 877         char fw_str[128];
 878
 879         return snprintf(buf, PAGE_SIZE, "%s\n",
 880             ha->isp_ops->fw_version_str(vha, fw_str));
 881 }
 882
 883 static ssize_t
 884 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
 885                         char *buf)
 886 {
 887         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 888         struct qla_hw_data *ha = vha->hw;
 889         uint32_t sn;
 890
 891         if (IS_FWI2_CAPABLE(ha)) {
 892                 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE);
 893                 return snprintf(buf, PAGE_SIZE, "%s\n", buf);
 894         }
 895
 896         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 897         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 898             sn % 100000);
 899 }
 900
 901 static ssize_t
 902 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
 903                       char *buf)
 904 {
 905         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 906         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
 907 }
 908
 909 static ssize_t
 910 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
 911                     char *buf)
 912 {
 913         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 914         struct qla_hw_data *ha = vha->hw;
 915         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 916             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 917             ha->product_id[3]);
 918 }
 919
 920 static ssize_t
 921 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
 922                         char *buf)
 923 {
 924         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 925         return snprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
 926 }
 927
 928 static ssize_t
 929 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
 930                         char *buf)
 931 {
 932         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 933         return snprintf(buf, PAGE_SIZE, "%s\n",
 934             vha->hw->model_desc ? vha->hw->model_desc : "");
 935 }
 936
 937 static ssize_t
 938 qla2x00_pci_info_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         char pci_info[30];
 943
 944         return snprintf(buf, PAGE_SIZE, "%s\n",
 945             vha->hw->isp_ops->pci_info_str(vha, pci_info));
 946 }
 947
 948 static ssize_t
 949 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
 950                         char *buf)
 951 {
 952         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 953         struct qla_hw_data *ha = vha->hw;
 954         int len = 0;
 955
 956         if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
 957             atomic_read(&vha->loop_state) == LOOP_DEAD ||
 958             vha->device_flags & DFLG_NO_CABLE)
 959                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 960         else if (atomic_read(&vha->loop_state) != LOOP_READY ||
 961             qla2x00_reset_active(vha))
 962                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 963         else {
 964                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
 965
 966                 switch (ha->current_topology) {
 967                 case ISP_CFG_NL:
 968                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 969                         break;
 970                 case ISP_CFG_FL:
 971                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
 972                         break;
 973                 case ISP_CFG_N:
 974                         len += snprintf(buf + len, PAGE_SIZE-len,
 975                             "N_Port to N_Port\n");
 976                         break;
 977                 case ISP_CFG_F:
 978                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
 979                         break;
 980                 default:
 981                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 982                         break;
 983                 }
 984         }
 985         return len;
 986 }
 987
 988 static ssize_t
 989 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
 990                  char *buf)
 991 {
 992         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 993         int len = 0;
 994
 995         switch (vha->hw->zio_mode) {
 996         case QLA_ZIO_MODE_6:
 997                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
 998                 break;
 999         case QLA_ZIO_DISABLED:
1000                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1001                 break;
1002         }
1003         return len;
1004 }
1005
1006 static ssize_t
1007 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1008                   const char *buf, size_t count)
1009 {
1010         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1011         struct qla_hw_data *ha = vha->hw;
1012         int val = 0;
1013         uint16_t zio_mode;
1014
1015         if (!IS_ZIO_SUPPORTED(ha))
1016                 return -ENOTSUPP;
1017
1018         if (sscanf(buf, "%d", &val) != 1)
1019                 return -EINVAL;
1020
1021         if (val)
1022                 zio_mode = QLA_ZIO_MODE_6;
1023         else
1024                 zio_mode = QLA_ZIO_DISABLED;
1025
1026         /* Update per-hba values and queue a reset. */
1027         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1028                 ha->zio_mode = zio_mode;
1029                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1030         }
1031         return strlen(buf);
1032 }
1033
1034 static ssize_t
1035 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1036                        char *buf)
1037 {
1038         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1039
1040         return snprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1041 }
1042
1043 static ssize_t
1044 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1045                         const char *buf, size_t count)
1046 {
1047         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1048         int val = 0;
1049         uint16_t zio_timer;
1050
1051         if (sscanf(buf, "%d", &val) != 1)
1052                 return -EINVAL;
1053         if (val > 25500 || val < 100)
1054                 return -ERANGE;
1055
1056         zio_timer = (uint16_t)(val / 100);
1057         vha->hw->zio_timer = zio_timer;
1058
1059         return strlen(buf);
1060 }
1061
1062 static ssize_t
1063 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1064                     char *buf)
1065 {
1066         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1067         int len = 0;
1068
1069         if (vha->hw->beacon_blink_led)
1070                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1071         else
1072                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1073         return len;
1074 }
1075
1076 static ssize_t
1077 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1078                      const char *buf, size_t count)
1079 {
1080         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1081         struct qla_hw_data *ha = vha->hw;
1082         int val = 0;
1083         int rval;
1084
1085         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1086                 return -EPERM;
1087
1088         if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1089                 ql_log(ql_log_warn, vha, 0x707a,
1090                     "Abort ISP active -- ignoring beacon request.\n");
1091                 return -EBUSY;
1092         }
1093
1094         if (sscanf(buf, "%d", &val) != 1)
1095                 return -EINVAL;
1096
1097         if (val)
1098                 rval = ha->isp_ops->beacon_on(vha);
1099         else
1100                 rval = ha->isp_ops->beacon_off(vha);
1101
1102         if (rval != QLA_SUCCESS)
1103                 count = 0;
1104
1105         return count;
1106 }
1107
1108 static ssize_t
1109 qla2x00_optrom_bios_version_show(struct device *dev,
1110                                  struct device_attribute *attr, char *buf)
1111 {
1112         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1113         struct qla_hw_data *ha = vha->hw;
1114         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1115             ha->bios_revision[0]);
1116 }
1117
1118 static ssize_t
1119 qla2x00_optrom_efi_version_show(struct device *dev,
1120                                 struct device_attribute *attr, char *buf)
1121 {
1122         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1123         struct qla_hw_data *ha = vha->hw;
1124         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1125             ha->efi_revision[0]);
1126 }
1127
1128 static ssize_t
1129 qla2x00_optrom_fcode_version_show(struct device *dev,
1130                                   struct device_attribute *attr, char *buf)
1131 {
1132         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1133         struct qla_hw_data *ha = vha->hw;
1134         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1135             ha->fcode_revision[0]);
1136 }
1137
1138 static ssize_t
1139 qla2x00_optrom_fw_version_show(struct device *dev,
1140                                struct device_attribute *attr, char *buf)
1141 {
1142         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1143         struct qla_hw_data *ha = vha->hw;
1144         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1145             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1146             ha->fw_revision[3]);
1147 }
1148
1149 static ssize_t
1150 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1151     struct device_attribute *attr, char *buf)
1152 {
1153         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1154         struct qla_hw_data *ha = vha->hw;
1155
1156         if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
1157                 return snprintf(buf, PAGE_SIZE, "\n");
1158
1159         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1160             ha->gold_fw_version[0], ha->gold_fw_version[1],
1161             ha->gold_fw_version[2], ha->gold_fw_version[3]);
1162 }
1163
1164 static ssize_t
1165 qla2x00_total_isp_aborts_show(struct device *dev,
1166                               struct device_attribute *attr, char *buf)
1167 {
1168         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1169         return snprintf(buf, PAGE_SIZE, "%d\n",
1170             vha->qla_stats.total_isp_aborts);
1171 }
1172
1173 static ssize_t
1174 qla24xx_84xx_fw_version_show(struct device *dev,
1175         struct device_attribute *attr, char *buf)
1176 {
1177         int rval = QLA_SUCCESS;
1178         uint16_t status[2] = {0, 0};
1179         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1180         struct qla_hw_data *ha = vha->hw;
1181
1182         if (!IS_QLA84XX(ha))
1183                 return snprintf(buf, PAGE_SIZE, "\n");
1184
1185         if (ha->cs84xx->op_fw_version == 0)
1186                 rval = qla84xx_verify_chip(vha, status);
1187
1188         if ((rval == QLA_SUCCESS) && (status[0] == 0))
1189                 return snprintf(buf, PAGE_SIZE, "%u\n",
1190                         (uint32_t)ha->cs84xx->op_fw_version);
1191
1192         return snprintf(buf, PAGE_SIZE, "\n");
1193 }
1194
1195 static ssize_t
1196 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1197     char *buf)
1198 {
1199         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1200         struct qla_hw_data *ha = vha->hw;
1201
1202         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1203                 return snprintf(buf, PAGE_SIZE, "\n");
1204
1205         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1206             ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1207             ha->mpi_capabilities);
1208 }
1209
1210 static ssize_t
1211 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1212     char *buf)
1213 {
1214         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1215         struct qla_hw_data *ha = vha->hw;
1216
1217         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1218                 return snprintf(buf, PAGE_SIZE, "\n");
1219
1220         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1221             ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1222 }
1223
1224 static ssize_t
1225 qla2x00_flash_block_size_show(struct device *dev,
1226                               struct device_attribute *attr, char *buf)
1227 {
1228         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1229         struct qla_hw_data *ha = vha->hw;
1230
1231         return snprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1232 }
1233
1234 static ssize_t
1235 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1236     char *buf)
1237 {
1238         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1239
1240         if (!IS_CNA_CAPABLE(vha->hw))
1241                 return snprintf(buf, PAGE_SIZE, "\n");
1242
1243         return snprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1244 }
1245
1246 static ssize_t
1247 qla2x00_vn_port_mac_address_show(struct device *dev,
1248     struct device_attribute *attr, char *buf)
1249 {
1250         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1251
1252         if (!IS_CNA_CAPABLE(vha->hw))
1253                 return snprintf(buf, PAGE_SIZE, "\n");
1254
1255         return snprintf(buf, PAGE_SIZE, "%02x:%02x:%02x:%02x:%02x:%02x\n",
1256             vha->fcoe_vn_port_mac[5], vha->fcoe_vn_port_mac[4],
1257             vha->fcoe_vn_port_mac[3], vha->fcoe_vn_port_mac[2],
1258             vha->fcoe_vn_port_mac[1], vha->fcoe_vn_port_mac[0]);
1259 }
1260
1261 static ssize_t
1262 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1263     char *buf)
1264 {
1265         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1266
1267         return snprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1268 }
1269
1270 static ssize_t
1271 qla2x00_thermal_temp_show(struct device *dev,
1272         struct device_attribute *attr, char *buf)
1273 {
1274         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1275         int rval = QLA_FUNCTION_FAILED;
1276         uint16_t temp, frac;
1277
1278         if (!vha->hw->flags.thermal_supported)
1279                 return snprintf(buf, PAGE_SIZE, "\n");
1280
1281         temp = frac = 0;
1282         if (qla2x00_reset_active(vha))
1283                 ql_log(ql_log_warn, vha, 0x707b,
1284                     "ISP reset active.\n");
1285         else if (!vha->hw->flags.eeh_busy)
1286                 rval = qla2x00_get_thermal_temp(vha, &temp, &frac);
1287         if (rval != QLA_SUCCESS)
1288                 return snprintf(buf, PAGE_SIZE, "\n");
1289
1290         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", temp, frac);
1291 }
1292
1293 static ssize_t
1294 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1295     char *buf)
1296 {
1297         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1298         int rval = QLA_FUNCTION_FAILED;
1299         uint16_t state[5];
1300
1301         if (qla2x00_reset_active(vha))
1302                 ql_log(ql_log_warn, vha, 0x707c,
1303                     "ISP reset active.\n");
1304         else if (!vha->hw->flags.eeh_busy)
1305                 rval = qla2x00_get_firmware_state(vha, state);
1306         if (rval != QLA_SUCCESS)
1307                 memset(state, -1, sizeof(state));
1308
1309         return snprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x\n", state[0],
1310             state[1], state[2], state[3], state[4]);
1311 }
1312
1313 static ssize_t
1314 qla2x00_diag_requests_show(struct device *dev,
1315         struct device_attribute *attr, char *buf)
1316 {
1317         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1318
1319         if (!IS_BIDI_CAPABLE(vha->hw))
1320                 return snprintf(buf, PAGE_SIZE, "\n");
1321
1322         return snprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1323 }
1324
1325 static ssize_t
1326 qla2x00_diag_megabytes_show(struct device *dev,
1327         struct device_attribute *attr, char *buf)
1328 {
1329         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1330
1331         if (!IS_BIDI_CAPABLE(vha->hw))
1332                 return snprintf(buf, PAGE_SIZE, "\n");
1333
1334         return snprintf(buf, PAGE_SIZE, "%llu\n",
1335             vha->bidi_stats.transfer_bytes >> 20);
1336 }
1337
1338 static ssize_t
1339 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1340         char *buf)
1341 {
1342         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1343         struct qla_hw_data *ha = vha->hw;
1344         uint32_t size;
1345
1346         if (!ha->fw_dumped)
1347                 size = 0;
1348         else if (IS_QLA82XX(ha))
1349                 size = ha->md_template_size + ha->md_dump_size;
1350         else
1351                 size = ha->fw_dump_len;
1352
1353         return snprintf(buf, PAGE_SIZE, "%d\n", size);
1354 }
1355
1356 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1357 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1358 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1359 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1360 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1361 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1362 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1363 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1364 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1365 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1366 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1367                    qla2x00_zio_timer_store);
1368 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1369                    qla2x00_beacon_store);
1370 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1371                    qla2x00_optrom_bios_version_show, NULL);
1372 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1373                    qla2x00_optrom_efi_version_show, NULL);
1374 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1375                    qla2x00_optrom_fcode_version_show, NULL);
1376 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1377                    NULL);
1378 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1379     qla2x00_optrom_gold_fw_version_show, NULL);
1380 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1381                    NULL);
1382 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1383                    NULL);
1384 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1385 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1386 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1387                    NULL);
1388 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1389 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1390                    qla2x00_vn_port_mac_address_show, NULL);
1391 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1392 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1393 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1394 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1395 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1396 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1397
1398 struct device_attribute *qla2x00_host_attrs[] = {
1399         &dev_attr_driver_version,
1400         &dev_attr_fw_version,
1401         &dev_attr_serial_num,
1402         &dev_attr_isp_name,
1403         &dev_attr_isp_id,
1404         &dev_attr_model_name,
1405         &dev_attr_model_desc,
1406         &dev_attr_pci_info,
1407         &dev_attr_link_state,
1408         &dev_attr_zio,
1409         &dev_attr_zio_timer,
1410         &dev_attr_beacon,
1411         &dev_attr_optrom_bios_version,
1412         &dev_attr_optrom_efi_version,
1413         &dev_attr_optrom_fcode_version,
1414         &dev_attr_optrom_fw_version,
1415         &dev_attr_84xx_fw_version,
1416         &dev_attr_total_isp_aborts,
1417         &dev_attr_mpi_version,
1418         &dev_attr_phy_version,
1419         &dev_attr_flash_block_size,
1420         &dev_attr_vlan_id,
1421         &dev_attr_vn_port_mac_address,
1422         &dev_attr_fabric_param,
1423         &dev_attr_fw_state,
1424         &dev_attr_optrom_gold_fw_version,
1425         &dev_attr_thermal_temp,
1426         &dev_attr_diag_requests,
1427         &dev_attr_diag_megabytes,
1428         &dev_attr_fw_dump_size,
1429         NULL,
1430 };
1431
1432 /* Host attributes. */
1433
1434 static void
1435 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1436 {
1437         scsi_qla_host_t *vha = shost_priv(shost);
1438
1439         fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1440             vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1441 }
1442
1443 static void
1444 qla2x00_get_host_speed(struct Scsi_Host *shost)
1445 {
1446         struct qla_hw_data *ha = ((struct scsi_qla_host *)
1447                                         (shost_priv(shost)))->hw;
1448         u32 speed = FC_PORTSPEED_UNKNOWN;
1449
1450         switch (ha->link_data_rate) {
1451         case PORT_SPEED_1GB:
1452                 speed = FC_PORTSPEED_1GBIT;
1453                 break;
1454         case PORT_SPEED_2GB:
1455                 speed = FC_PORTSPEED_2GBIT;
1456                 break;
1457         case PORT_SPEED_4GB:
1458                 speed = FC_PORTSPEED_4GBIT;
1459                 break;
1460         case PORT_SPEED_8GB:
1461                 speed = FC_PORTSPEED_8GBIT;
1462                 break;
1463         case PORT_SPEED_10GB:
1464                 speed = FC_PORTSPEED_10GBIT;
1465                 break;
1466         case PORT_SPEED_16GB:
1467                 speed = FC_PORTSPEED_16GBIT;
1468                 break;
1469         }
1470         fc_host_speed(shost) = speed;
1471 }
1472
1473 static void
1474 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1475 {
1476         scsi_qla_host_t *vha = shost_priv(shost);
1477         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1478
1479         if (vha->vp_idx) {
1480                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1481                 return;
1482         }
1483         switch (vha->hw->current_topology) {
1484         case ISP_CFG_NL:
1485                 port_type = FC_PORTTYPE_LPORT;
1486                 break;
1487         case ISP_CFG_FL:
1488                 port_type = FC_PORTTYPE_NLPORT;
1489                 break;
1490         case ISP_CFG_N:
1491                 port_type = FC_PORTTYPE_PTP;
1492                 break;
1493         case ISP_CFG_F:
1494                 port_type = FC_PORTTYPE_NPORT;
1495                 break;
1496         }
1497         fc_host_port_type(shost) = port_type;
1498 }
1499
1500 static void
1501 qla2x00_get_starget_node_name(struct scsi_target *starget)
1502 {
1503         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1504         scsi_qla_host_t *vha = shost_priv(host);
1505         fc_port_t *fcport;
1506         u64 node_name = 0;
1507
1508         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1509                 if (fcport->rport &&
1510                     starget->id == fcport->rport->scsi_target_id) {
1511                         node_name = wwn_to_u64(fcport->node_name);
1512                         break;
1513                 }
1514         }
1515
1516         fc_starget_node_name(starget) = node_name;
1517 }
1518
1519 static void
1520 qla2x00_get_starget_port_name(struct scsi_target *starget)
1521 {
1522         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1523         scsi_qla_host_t *vha = shost_priv(host);
1524         fc_port_t *fcport;
1525         u64 port_name = 0;
1526
1527         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1528                 if (fcport->rport &&
1529                     starget->id == fcport->rport->scsi_target_id) {
1530                         port_name = wwn_to_u64(fcport->port_name);
1531                         break;
1532                 }
1533         }
1534
1535         fc_starget_port_name(starget) = port_name;
1536 }
1537
1538 static void
1539 qla2x00_get_starget_port_id(struct scsi_target *starget)
1540 {
1541         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1542         scsi_qla_host_t *vha = shost_priv(host);
1543         fc_port_t *fcport;
1544         uint32_t port_id = ~0U;
1545
1546         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1547                 if (fcport->rport &&
1548                     starget->id == fcport->rport->scsi_target_id) {
1549                         port_id = fcport->d_id.b.domain << 16 |
1550                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1551                         break;
1552                 }
1553         }
1554
1555         fc_starget_port_id(starget) = port_id;
1556 }
1557
1558 static void
1559 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1560 {
1561         if (timeout)
1562                 rport->dev_loss_tmo = timeout;
1563         else
1564                 rport->dev_loss_tmo = 1;
1565 }
1566
1567 static void
1568 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1569 {
1570         struct Scsi_Host *host = rport_to_shost(rport);
1571         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1572         unsigned long flags;
1573
1574         if (!fcport)
1575                 return;
1576
1577         /* Now that the rport has been deleted, set the fcport state to
1578            FCS_DEVICE_DEAD */
1579         qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1580
1581         /*
1582          * Transport has effectively 'deleted' the rport, clear
1583          * all local references.
1584          */
1585         spin_lock_irqsave(host->host_lock, flags);
1586         fcport->rport = fcport->drport = NULL;
1587         *((fc_port_t **)rport->dd_data) = NULL;
1588         spin_unlock_irqrestore(host->host_lock, flags);
1589
1590         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1591                 return;
1592
1593         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1594                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1595                 return;
1596         }
1597 }
1598
1599 static void
1600 qla2x00_terminate_rport_io(struct fc_rport *rport)
1601 {
1602         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1603
1604         if (!fcport)
1605                 return;
1606
1607         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1608                 return;
1609
1610         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1611                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1612                 return;
1613         }
1614         /*
1615          * At this point all fcport's software-states are cleared.  Perform any
1616          * final cleanup of firmware resources (PCBs and XCBs).
1617          */
1618         if (fcport->loop_id != FC_NO_LOOP_ID) {
1619                 if (IS_FWI2_CAPABLE(fcport->vha->hw))
1620                         fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1621                             fcport->loop_id, fcport->d_id.b.domain,
1622                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1623                 else
1624                         qla2x00_port_logout(fcport->vha, fcport);
1625         }
1626 }
1627
1628 static int
1629 qla2x00_issue_lip(struct Scsi_Host *shost)
1630 {
1631         scsi_qla_host_t *vha = shost_priv(shost);
1632
1633         qla2x00_loop_reset(vha);
1634         return 0;
1635 }
1636
1637 static struct fc_host_statistics *
1638 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1639 {
1640         scsi_qla_host_t *vha = shost_priv(shost);
1641         struct qla_hw_data *ha = vha->hw;
1642         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1643         int rval;
1644         struct link_statistics *stats;
1645         dma_addr_t stats_dma;
1646         struct fc_host_statistics *pfc_host_stat;
1647
1648         pfc_host_stat = &vha->fc_host_stat;
1649         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1650
1651         if (test_bit(UNLOADING, &vha->dpc_flags))
1652                 goto done;
1653
1654         if (unlikely(pci_channel_offline(ha->pdev)))
1655                 goto done;
1656
1657         stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1658         if (stats == NULL) {
1659                 ql_log(ql_log_warn, vha, 0x707d,
1660                     "Failed to allocate memory for stats.\n");
1661                 goto done;
1662         }
1663         memset(stats, 0, DMA_POOL_SIZE);
1664
1665         rval = QLA_FUNCTION_FAILED;
1666         if (IS_FWI2_CAPABLE(ha)) {
1667                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1668         } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1669             !qla2x00_reset_active(vha) && !ha->dpc_active) {
1670                 /* Must be in a 'READY' state for statistics retrieval. */
1671                 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1672                                                 stats, stats_dma);
1673         }
1674
1675         if (rval != QLA_SUCCESS)
1676                 goto done_free;
1677
1678         pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1679         pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1680         pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1681         pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1682         pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1683         pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1684         if (IS_FWI2_CAPABLE(ha)) {
1685                 pfc_host_stat->lip_count = stats->lip_cnt;
1686                 pfc_host_stat->tx_frames = stats->tx_frames;
1687                 pfc_host_stat->rx_frames = stats->rx_frames;
1688                 pfc_host_stat->dumped_frames = stats->dumped_frames;
1689                 pfc_host_stat->nos_count = stats->nos_rcvd;
1690         }
1691         pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1692         pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1693
1694 done_free:
1695         dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1696 done:
1697         return pfc_host_stat;
1698 }
1699
1700 static void
1701 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1702 {
1703         scsi_qla_host_t *vha = shost_priv(shost);
1704
1705         qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost));
1706 }
1707
1708 static void
1709 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1710 {
1711         scsi_qla_host_t *vha = shost_priv(shost);
1712
1713         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1714 }
1715
1716 static void
1717 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1718 {
1719         scsi_qla_host_t *vha = shost_priv(shost);
1720         uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1721                 0xFF, 0xFF, 0xFF, 0xFF};
1722         u64 fabric_name = wwn_to_u64(node_name);
1723
1724         if (vha->device_flags & SWITCH_FOUND)
1725                 fabric_name = wwn_to_u64(vha->fabric_node_name);
1726
1727         fc_host_fabric_name(shost) = fabric_name;
1728 }
1729
1730 static void
1731 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1732 {
1733         scsi_qla_host_t *vha = shost_priv(shost);
1734         struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1735
1736         if (!base_vha->flags.online) {
1737                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1738                 return;
1739         }
1740
1741         switch (atomic_read(&base_vha->loop_state)) {
1742         case LOOP_UPDATE:
1743                 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1744                 break;
1745         case LOOP_DOWN:
1746                 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1747                         fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1748                 else
1749                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1750                 break;
1751         case LOOP_DEAD:
1752                 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1753                 break;
1754         case LOOP_READY:
1755                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1756                 break;
1757         default:
1758                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1759                 break;
1760         }
1761 }
1762
1763 static int
1764 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1765 {
1766         int     ret = 0;
1767         uint8_t qos = 0;
1768         scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1769         scsi_qla_host_t *vha = NULL;
1770         struct qla_hw_data *ha = base_vha->hw;
1771         uint16_t options = 0;
1772         int     cnt;
1773         struct req_que *req = ha->req_q_map[0];
1774
1775         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
1776         if (ret) {
1777                 ql_log(ql_log_warn, vha, 0x707e,
1778                     "Vport sanity check failed, status %x\n", ret);
1779                 return (ret);
1780         }
1781
1782         vha = qla24xx_create_vhost(fc_vport);
1783         if (vha == NULL) {
1784                 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
1785                 return FC_VPORT_FAILED;
1786         }
1787         if (disable) {
1788                 atomic_set(&vha->vp_state, VP_OFFLINE);
1789                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
1790         } else
1791                 atomic_set(&vha->vp_state, VP_FAILED);
1792
1793         /* ready to create vport */
1794         ql_log(ql_log_info, vha, 0x7080,
1795             "VP entry id %d assigned.\n", vha->vp_idx);
1796
1797         /* initialized vport states */
1798         atomic_set(&vha->loop_state, LOOP_DOWN);
1799         vha->vp_err_state=  VP_ERR_PORTDWN;
1800         vha->vp_prev_err_state=  VP_ERR_UNKWN;
1801         /* Check if physical ha port is Up */
1802         if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
1803             atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1804                 /* Don't retry or attempt login of this virtual port */
1805                 ql_dbg(ql_dbg_user, vha, 0x7081,
1806                     "Vport loop state is not UP.\n");
1807                 atomic_set(&vha->loop_state, LOOP_DEAD);
1808                 if (!disable)
1809                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
1810         }
1811
1812         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
1813                 if (ha->fw_attributes & BIT_4) {
1814                         int prot = 0, guard;
1815                         vha->flags.difdix_supported = 1;
1816                         ql_dbg(ql_dbg_user, vha, 0x7082,
1817                             "Registered for DIF/DIX type 1 and 3 protection.\n");
1818                         if (ql2xenabledif == 1)
1819                                 prot = SHOST_DIX_TYPE0_PROTECTION;
1820                         scsi_host_set_prot(vha->host,
1821                             prot | SHOST_DIF_TYPE1_PROTECTION
1822                             | SHOST_DIF_TYPE2_PROTECTION
1823                             | SHOST_DIF_TYPE3_PROTECTION
1824                             | SHOST_DIX_TYPE1_PROTECTION
1825                             | SHOST_DIX_TYPE2_PROTECTION
1826                             | SHOST_DIX_TYPE3_PROTECTION);
1827
1828                         guard = SHOST_DIX_GUARD_CRC;
1829
1830                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
1831                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
1832                                 guard |= SHOST_DIX_GUARD_IP;
1833
1834                         scsi_host_set_guard(vha->host, guard);
1835                 } else
1836                         vha->flags.difdix_supported = 0;
1837         }
1838
1839         if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
1840                                    &ha->pdev->dev)) {
1841                 ql_dbg(ql_dbg_user, vha, 0x7083,
1842                     "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
1843                 goto vport_create_failed_2;
1844         }
1845
1846         /* initialize attributes */
1847         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
1848         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1849         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1850         fc_host_supported_classes(vha->host) =
1851                 fc_host_supported_classes(base_vha->host);
1852         fc_host_supported_speeds(vha->host) =
1853                 fc_host_supported_speeds(base_vha->host);
1854
1855         qlt_vport_create(vha, ha);
1856         qla24xx_vport_disable(fc_vport, disable);
1857
1858         if (ha->flags.cpu_affinity_enabled) {
1859                 req = ha->req_q_map[1];
1860                 ql_dbg(ql_dbg_multiq, vha, 0xc000,
1861                     "Request queue %p attached with "
1862                     "VP[%d], cpu affinity =%d\n",
1863                     req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
1864                 goto vport_queue;
1865         } else if (ql2xmaxqueues == 1 || !ha->npiv_info)
1866                 goto vport_queue;
1867         /* Create a request queue in QoS mode for the vport */
1868         for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
1869                 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
1870                         && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
1871                                         8) == 0) {
1872                         qos = ha->npiv_info[cnt].q_qos;
1873                         break;
1874                 }
1875         }
1876
1877         if (qos) {
1878                 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
1879                         qos);
1880                 if (!ret)
1881                         ql_log(ql_log_warn, vha, 0x7084,
1882                             "Can't create request queue for VP[%d]\n",
1883                             vha->vp_idx);
1884                 else {
1885                         ql_dbg(ql_dbg_multiq, vha, 0xc001,
1886                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
1887                             ret, qos, vha->vp_idx);
1888                         ql_dbg(ql_dbg_user, vha, 0x7085,
1889                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
1890                             ret, qos, vha->vp_idx);
1891                         req = ha->req_q_map[ret];
1892                 }
1893         }
1894
1895 vport_queue:
1896         vha->req = req;
1897         return 0;
1898
1899 vport_create_failed_2:
1900         qla24xx_disable_vp(vha);
1901         qla24xx_deallocate_vp_id(vha);
1902         scsi_host_put(vha->host);
1903         return FC_VPORT_FAILED;
1904 }
1905
1906 static int
1907 qla24xx_vport_delete(struct fc_vport *fc_vport)
1908 {
1909         scsi_qla_host_t *vha = fc_vport->dd_data;
1910         struct qla_hw_data *ha = vha->hw;
1911         uint16_t id = vha->vp_idx;
1912
1913         while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
1914             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
1915                 msleep(1000);
1916
1917         qla24xx_disable_vp(vha);
1918
1919         vha->flags.delete_progress = 1;
1920
1921         fc_remove_host(vha->host);
1922
1923         scsi_remove_host(vha->host);
1924
1925         /* Allow timer to run to drain queued items, when removing vp */
1926         qla24xx_deallocate_vp_id(vha);
1927
1928         if (vha->timer_active) {
1929                 qla2x00_vp_stop_timer(vha);
1930                 ql_dbg(ql_dbg_user, vha, 0x7086,
1931                     "Timer for the VP[%d] has stopped\n", vha->vp_idx);
1932         }
1933
1934         /* No pending activities shall be there on the vha now */
1935         if (ql2xextended_error_logging & ql_dbg_user)
1936                 msleep(random32()%10);  /* Just to see if something falls on
1937                                         * the net we have placed below */
1938
1939         BUG_ON(atomic_read(&vha->vref_count));
1940
1941         qla2x00_free_fcports(vha);
1942
1943         mutex_lock(&ha->vport_lock);
1944         ha->cur_vport_count--;
1945         clear_bit(vha->vp_idx, ha->vp_idx_map);
1946         mutex_unlock(&ha->vport_lock);
1947
1948         if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
1949                 if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
1950                         ql_log(ql_log_warn, vha, 0x7087,
1951                             "Queue delete failed.\n");
1952         }
1953
1954         ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
1955         scsi_host_put(vha->host);
1956         return 0;
1957 }
1958
1959 static int
1960 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
1961 {
1962         scsi_qla_host_t *vha = fc_vport->dd_data;
1963
1964         if (disable)
1965                 qla24xx_disable_vp(vha);
1966         else
1967                 qla24xx_enable_vp(vha);
1968
1969         return 0;
1970 }
1971
1972 struct fc_function_template qla2xxx_transport_functions = {
1973
1974         .show_host_node_name = 1,
1975         .show_host_port_name = 1,
1976         .show_host_supported_classes = 1,
1977         .show_host_supported_speeds = 1,
1978
1979         .get_host_port_id = qla2x00_get_host_port_id,
1980         .show_host_port_id = 1,
1981         .get_host_speed = qla2x00_get_host_speed,
1982         .show_host_speed = 1,
1983         .get_host_port_type = qla2x00_get_host_port_type,
1984         .show_host_port_type = 1,
1985         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
1986         .show_host_symbolic_name = 1,
1987         .set_host_system_hostname = qla2x00_set_host_system_hostname,
1988         .show_host_system_hostname = 1,
1989         .get_host_fabric_name = qla2x00_get_host_fabric_name,
1990         .show_host_fabric_name = 1,
1991         .get_host_port_state = qla2x00_get_host_port_state,
1992         .show_host_port_state = 1,
1993
1994         .dd_fcrport_size = sizeof(struct fc_port *),
1995         .show_rport_supported_classes = 1,
1996
1997         .get_starget_node_name = qla2x00_get_starget_node_name,
1998         .show_starget_node_name = 1,
1999         .get_starget_port_name = qla2x00_get_starget_port_name,
2000         .show_starget_port_name = 1,
2001         .get_starget_port_id  = qla2x00_get_starget_port_id,
2002         .show_starget_port_id = 1,
2003
2004         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2005         .show_rport_dev_loss_tmo = 1,
2006
2007         .issue_fc_host_lip = qla2x00_issue_lip,
2008         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2009         .terminate_rport_io = qla2x00_terminate_rport_io,
2010         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2011
2012         .vport_create = qla24xx_vport_create,
2013         .vport_disable = qla24xx_vport_disable,
2014         .vport_delete = qla24xx_vport_delete,
2015         .bsg_request = qla24xx_bsg_request,
2016         .bsg_timeout = qla24xx_bsg_timeout,
2017 };
2018
2019 struct fc_function_template qla2xxx_transport_vport_functions = {
2020
2021         .show_host_node_name = 1,
2022         .show_host_port_name = 1,
2023         .show_host_supported_classes = 1,
2024
2025         .get_host_port_id = qla2x00_get_host_port_id,
2026         .show_host_port_id = 1,
2027         .get_host_speed = qla2x00_get_host_speed,
2028         .show_host_speed = 1,
2029         .get_host_port_type = qla2x00_get_host_port_type,
2030         .show_host_port_type = 1,
2031         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2032         .show_host_symbolic_name = 1,
2033         .set_host_system_hostname = qla2x00_set_host_system_hostname,
2034         .show_host_system_hostname = 1,
2035         .get_host_fabric_name = qla2x00_get_host_fabric_name,
2036         .show_host_fabric_name = 1,
2037         .get_host_port_state = qla2x00_get_host_port_state,
2038         .show_host_port_state = 1,
2039
2040         .dd_fcrport_size = sizeof(struct fc_port *),
2041         .show_rport_supported_classes = 1,
2042
2043         .get_starget_node_name = qla2x00_get_starget_node_name,
2044         .show_starget_node_name = 1,
2045         .get_starget_port_name = qla2x00_get_starget_port_name,
2046         .show_starget_port_name = 1,
2047         .get_starget_port_id  = qla2x00_get_starget_port_id,
2048         .show_starget_port_id = 1,
2049
2050         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2051         .show_rport_dev_loss_tmo = 1,
2052
2053         .issue_fc_host_lip = qla2x00_issue_lip,
2054         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2055         .terminate_rport_io = qla2x00_terminate_rport_io,
2056         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2057         .bsg_request = qla24xx_bsg_request,
2058         .bsg_timeout = qla24xx_bsg_timeout,
2059 };
2060
2061 void
2062 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2063 {
2064         struct qla_hw_data *ha = vha->hw;
2065         u32 speed = FC_PORTSPEED_UNKNOWN;
2066
2067         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2068         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2069         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2070         fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
2071                         (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2072         fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2073         fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2074
2075         if (IS_CNA_CAPABLE(ha))
2076                 speed = FC_PORTSPEED_10GBIT;
2077         else if (IS_QLA2031(ha))
2078                 speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2079                     FC_PORTSPEED_4GBIT;
2080         else if (IS_QLA25XX(ha))
2081                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2082                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2083         else if (IS_QLA24XX_TYPE(ha))
2084                 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2085                     FC_PORTSPEED_1GBIT;
2086         else if (IS_QLA23XX(ha))
2087                 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2088         else
2089                 speed = FC_PORTSPEED_1GBIT;
2090         fc_host_supported_speeds(vha->host) = speed;
2091 }