drivers/scsi/qla2xxx/qla_attr.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2014 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         mutex_lock(&ha->optrom_mutex);
  33         if (IS_P3P_TYPE(ha)) {
  34                 if (off < ha->md_template_size) {
  35                         rval = memory_read_from_buffer(buf, count,
  36                             &off, ha->md_tmplt_hdr, ha->md_template_size);
  37                 } else {
  38                         off -= ha->md_template_size;
  39                         rval = memory_read_from_buffer(buf, count,
  40                             &off, ha->md_dump, ha->md_dump_size);
  41                 }
  42         } else if (ha->mctp_dumped && ha->mctp_dump_reading) {
  43                 rval = memory_read_from_buffer(buf, count, &off, ha->mctp_dump,
  44                     MCTP_DUMP_SIZE);
  45         } else if (ha->fw_dump_reading) {
  46                 rval = memory_read_from_buffer(buf, count, &off, ha->fw_dump,
  47                                         ha->fw_dump_len);
  48         } else {
  49                 rval = 0;
  50         }
  51         mutex_unlock(&ha->optrom_mutex);
  52         return rval;
  53 }
  54
  55 static ssize_t
  56 qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
  57                             struct bin_attribute *bin_attr,
  58                             char *buf, loff_t off, size_t count)
  59 {
  60         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
  61             struct device, kobj)));
  62         struct qla_hw_data *ha = vha->hw;
  63         int reading;
  64
  65         if (off != 0)
  66                 return (0);
  67
  68         reading = simple_strtol(buf, NULL, 10);
  69         switch (reading) {
  70         case 0:
  71                 if (!ha->fw_dump_reading)
  72                         break;
  73
  74                 ql_log(ql_log_info, vha, 0x705d,
  75                     "Firmware dump cleared on (%ld).\n", vha->host_no);
  76
  77                 if (IS_P3P_TYPE(ha)) {
  78                         qla82xx_md_free(vha);
  79                         qla82xx_md_prep(vha);
  80                 }
  81                 ha->fw_dump_reading = 0;
  82                 ha->fw_dumped = 0;
  83                 break;
  84         case 1:
  85                 if (ha->fw_dumped && !ha->fw_dump_reading) {
  86                         ha->fw_dump_reading = 1;
  87
  88                         ql_log(ql_log_info, vha, 0x705e,
  89                             "Raw firmware dump ready for read on (%ld).\n",
  90                             vha->host_no);
  91                 }
  92                 break;
  93         case 2:
  94                 qla2x00_alloc_fw_dump(vha);
  95                 break;
  96         case 3:
  97                 if (IS_QLA82XX(ha)) {
  98                         qla82xx_idc_lock(ha);
  99                         qla82xx_set_reset_owner(vha);
 100                         qla82xx_idc_unlock(ha);
 101                 } else if (IS_QLA8044(ha)) {
 102                         qla8044_idc_lock(ha);
 103                         qla82xx_set_reset_owner(vha);
 104                         qla8044_idc_unlock(ha);
 105                 } else
 106                         qla2x00_system_error(vha);
 107                 break;
 108         case 4:
 109                 if (IS_P3P_TYPE(ha)) {
 110                         if (ha->md_tmplt_hdr)
 111                                 ql_dbg(ql_dbg_user, vha, 0x705b,
 112                                     "MiniDump supported with this firmware.\n");
 113                         else
 114                                 ql_dbg(ql_dbg_user, vha, 0x709d,
 115                                     "MiniDump not supported with this firmware.\n");
 116                 }
 117                 break;
 118         case 5:
 119                 if (IS_P3P_TYPE(ha))
 120                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 121                 break;
 122         case 6:
 123                 if (!ha->mctp_dump_reading)
 124                         break;
 125                 ql_log(ql_log_info, vha, 0x70c1,
 126                     "MCTP dump cleared on (%ld).\n", vha->host_no);
 127                 ha->mctp_dump_reading = 0;
 128                 ha->mctp_dumped = 0;
 129                 break;
 130         case 7:
 131                 if (ha->mctp_dumped && !ha->mctp_dump_reading) {
 132                         ha->mctp_dump_reading = 1;
 133                         ql_log(ql_log_info, vha, 0x70c2,
 134                             "Raw mctp dump ready for read on (%ld).\n",
 135                             vha->host_no);
 136                 }
 137                 break;
 138         }
 139         return count;
 140 }
 141
 142 static struct bin_attribute sysfs_fw_dump_attr = {
 143         .attr = {
 144                 .name = "fw_dump",
 145                 .mode = S_IRUSR | S_IWUSR,
 146         },
 147         .size = 0,
 148         .read = qla2x00_sysfs_read_fw_dump,
 149         .write = qla2x00_sysfs_write_fw_dump,
 150 };
 151
 152 static ssize_t
 153 qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
 154                          struct bin_attribute *bin_attr,
 155                          char *buf, loff_t off, size_t count)
 156 {
 157         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 158             struct device, kobj)));
 159         struct qla_hw_data *ha = vha->hw;
 160         uint32_t faddr;
 161         struct active_regions active_regions = { };
 162
 163         if (!capable(CAP_SYS_ADMIN))
 164                 return 0;
 165
 166         mutex_lock(&ha->optrom_mutex);
 167         if (qla2x00_chip_is_down(vha)) {
 168                 mutex_unlock(&ha->optrom_mutex);
 169                 return -EAGAIN;
 170         }
 171
 172         if (!IS_NOCACHE_VPD_TYPE(ha)) {
 173                 mutex_unlock(&ha->optrom_mutex);
 174                 goto skip;
 175         }
 176
 177         faddr = ha->flt_region_nvram;
 178         if (IS_QLA28XX(ha)) {
 179                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
 180                         faddr = ha->flt_region_nvram_sec;
 181         }
 182         ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
 183
 184         mutex_unlock(&ha->optrom_mutex);
 185
 186 skip:
 187         return memory_read_from_buffer(buf, count, &off, ha->nvram,
 188                                         ha->nvram_size);
 189 }
 190
 191 static ssize_t
 192 qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
 193                           struct bin_attribute *bin_attr,
 194                           char *buf, loff_t off, size_t count)
 195 {
 196         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 197             struct device, kobj)));
 198         struct qla_hw_data *ha = vha->hw;
 199         uint16_t        cnt;
 200
 201         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
 202             !ha->isp_ops->write_nvram)
 203                 return -EINVAL;
 204
 205         /* Checksum NVRAM. */
 206         if (IS_FWI2_CAPABLE(ha)) {
 207                 uint32_t *iter;
 208                 uint32_t chksum;
 209
 210                 iter = (uint32_t *)buf;
 211                 chksum = 0;
 212                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++, iter++)
 213                         chksum += le32_to_cpu(*iter);
 214                 chksum = ~chksum + 1;
 215                 *iter = cpu_to_le32(chksum);
 216         } else {
 217                 uint8_t *iter;
 218                 uint8_t chksum;
 219
 220                 iter = (uint8_t *)buf;
 221                 chksum = 0;
 222                 for (cnt = 0; cnt < count - 1; cnt++)
 223                         chksum += *iter++;
 224                 chksum = ~chksum + 1;
 225                 *iter = chksum;
 226         }
 227
 228         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 229                 ql_log(ql_log_warn, vha, 0x705f,
 230                     "HBA not online, failing NVRAM update.\n");
 231                 return -EAGAIN;
 232         }
 233
 234         mutex_lock(&ha->optrom_mutex);
 235         if (qla2x00_chip_is_down(vha)) {
 236                 mutex_unlock(&ha->optrom_mutex);
 237                 return -EAGAIN;
 238         }
 239
 240         /* Write NVRAM. */
 241         ha->isp_ops->write_nvram(vha, buf, ha->nvram_base, count);
 242         ha->isp_ops->read_nvram(vha, ha->nvram, ha->nvram_base,
 243             count);
 244         mutex_unlock(&ha->optrom_mutex);
 245
 246         ql_dbg(ql_dbg_user, vha, 0x7060,
 247             "Setting ISP_ABORT_NEEDED\n");
 248         /* NVRAM settings take effect immediately. */
 249         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 250         qla2xxx_wake_dpc(vha);
 251         qla2x00_wait_for_chip_reset(vha);
 252
 253         return count;
 254 }
 255
 256 static struct bin_attribute sysfs_nvram_attr = {
 257         .attr = {
 258                 .name = "nvram",
 259                 .mode = S_IRUSR | S_IWUSR,
 260         },
 261         .size = 512,
 262         .read = qla2x00_sysfs_read_nvram,
 263         .write = qla2x00_sysfs_write_nvram,
 264 };
 265
 266 static ssize_t
 267 qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
 268                           struct bin_attribute *bin_attr,
 269                           char *buf, loff_t off, size_t count)
 270 {
 271         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 272             struct device, kobj)));
 273         struct qla_hw_data *ha = vha->hw;
 274         ssize_t rval = 0;
 275
 276         mutex_lock(&ha->optrom_mutex);
 277
 278         if (ha->optrom_state != QLA_SREADING)
 279                 goto out;
 280
 281         rval = memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
 282             ha->optrom_region_size);
 283
 284 out:
 285         mutex_unlock(&ha->optrom_mutex);
 286
 287         return rval;
 288 }
 289
 290 static ssize_t
 291 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
 292                            struct bin_attribute *bin_attr,
 293                            char *buf, loff_t off, size_t count)
 294 {
 295         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 296             struct device, kobj)));
 297         struct qla_hw_data *ha = vha->hw;
 298
 299         mutex_lock(&ha->optrom_mutex);
 300
 301         if (ha->optrom_state != QLA_SWRITING) {
 302                 mutex_unlock(&ha->optrom_mutex);
 303                 return -EINVAL;
 304         }
 305         if (off > ha->optrom_region_size) {
 306                 mutex_unlock(&ha->optrom_mutex);
 307                 return -ERANGE;
 308         }
 309         if (off + count > ha->optrom_region_size)
 310                 count = ha->optrom_region_size - off;
 311
 312         memcpy(&ha->optrom_buffer[off], buf, count);
 313         mutex_unlock(&ha->optrom_mutex);
 314
 315         return count;
 316 }
 317
 318 static struct bin_attribute sysfs_optrom_attr = {
 319         .attr = {
 320                 .name = "optrom",
 321                 .mode = S_IRUSR | S_IWUSR,
 322         },
 323         .size = 0,
 324         .read = qla2x00_sysfs_read_optrom,
 325         .write = qla2x00_sysfs_write_optrom,
 326 };
 327
 328 static ssize_t
 329 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 330                                struct bin_attribute *bin_attr,
 331                                char *buf, loff_t off, size_t count)
 332 {
 333         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 334             struct device, kobj)));
 335         struct qla_hw_data *ha = vha->hw;
 336         uint32_t start = 0;
 337         uint32_t size = ha->optrom_size;
 338         int val, valid;
 339         ssize_t rval = count;
 340
 341         if (off)
 342                 return -EINVAL;
 343
 344         if (unlikely(pci_channel_offline(ha->pdev)))
 345                 return -EAGAIN;
 346
 347         if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
 348                 return -EINVAL;
 349         if (start > ha->optrom_size)
 350                 return -EINVAL;
 351         if (size > ha->optrom_size - start)
 352                 size = ha->optrom_size - start;
 353
 354         mutex_lock(&ha->optrom_mutex);
 355         if (qla2x00_chip_is_down(vha)) {
 356                 mutex_unlock(&ha->optrom_mutex);
 357                 return -EAGAIN;
 358         }
 359         switch (val) {
 360         case 0:
 361                 if (ha->optrom_state != QLA_SREADING &&
 362                     ha->optrom_state != QLA_SWRITING) {
 363                         rval =  -EINVAL;
 364                         goto out;
 365                 }
 366                 ha->optrom_state = QLA_SWAITING;
 367
 368                 ql_dbg(ql_dbg_user, vha, 0x7061,
 369                     "Freeing flash region allocation -- 0x%x bytes.\n",
 370                     ha->optrom_region_size);
 371
 372                 vfree(ha->optrom_buffer);
 373                 ha->optrom_buffer = NULL;
 374                 break;
 375         case 1:
 376                 if (ha->optrom_state != QLA_SWAITING) {
 377                         rval = -EINVAL;
 378                         goto out;
 379                 }
 380
 381                 ha->optrom_region_start = start;
 382                 ha->optrom_region_size = size;
 383
 384                 ha->optrom_state = QLA_SREADING;
 385                 ha->optrom_buffer = vzalloc(ha->optrom_region_size);
 386                 if (ha->optrom_buffer == NULL) {
 387                         ql_log(ql_log_warn, vha, 0x7062,
 388                             "Unable to allocate memory for optrom retrieval "
 389                             "(%x).\n", ha->optrom_region_size);
 390
 391                         ha->optrom_state = QLA_SWAITING;
 392                         rval = -ENOMEM;
 393                         goto out;
 394                 }
 395
 396                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 397                         ql_log(ql_log_warn, vha, 0x7063,
 398                             "HBA not online, failing NVRAM update.\n");
 399                         rval = -EAGAIN;
 400                         goto out;
 401                 }
 402
 403                 ql_dbg(ql_dbg_user, vha, 0x7064,
 404                     "Reading flash region -- 0x%x/0x%x.\n",
 405                     ha->optrom_region_start, ha->optrom_region_size);
 406
 407                 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
 408                     ha->optrom_region_start, ha->optrom_region_size);
 409                 break;
 410         case 2:
 411                 if (ha->optrom_state != QLA_SWAITING) {
 412                         rval = -EINVAL;
 413                         goto out;
 414                 }
 415
 416                 /*
 417                  * We need to be more restrictive on which FLASH regions are
 418                  * allowed to be updated via user-space.  Regions accessible
 419                  * via this method include:
 420                  *
 421                  * ISP21xx/ISP22xx/ISP23xx type boards:
 422                  *
 423                  *      0x000000 -> 0x020000 -- Boot code.
 424                  *
 425                  * ISP2322/ISP24xx type boards:
 426                  *
 427                  *      0x000000 -> 0x07ffff -- Boot code.
 428                  *      0x080000 -> 0x0fffff -- Firmware.
 429                  *
 430                  * ISP25xx type boards:
 431                  *
 432                  *      0x000000 -> 0x07ffff -- Boot code.
 433                  *      0x080000 -> 0x0fffff -- Firmware.
 434                  *      0x120000 -> 0x12ffff -- VPD and HBA parameters.
 435                  *
 436                  * > ISP25xx type boards:
 437                  *
 438                  *      None -- should go through BSG.
 439                  */
 440                 valid = 0;
 441                 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
 442                         valid = 1;
 443                 else if (start == (ha->flt_region_boot * 4) ||
 444                     start == (ha->flt_region_fw * 4))
 445                         valid = 1;
 446                 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 447                         valid = 1;
 448                 if (!valid) {
 449                         ql_log(ql_log_warn, vha, 0x7065,
 450                             "Invalid start region 0x%x/0x%x.\n", start, size);
 451                         rval = -EINVAL;
 452                         goto out;
 453                 }
 454
 455                 ha->optrom_region_start = start;
 456                 ha->optrom_region_size = size;
 457
 458                 ha->optrom_state = QLA_SWRITING;
 459                 ha->optrom_buffer = vzalloc(ha->optrom_region_size);
 460                 if (ha->optrom_buffer == NULL) {
 461                         ql_log(ql_log_warn, vha, 0x7066,
 462                             "Unable to allocate memory for optrom update "
 463                             "(%x)\n", ha->optrom_region_size);
 464
 465                         ha->optrom_state = QLA_SWAITING;
 466                         rval = -ENOMEM;
 467                         goto out;
 468                 }
 469
 470                 ql_dbg(ql_dbg_user, vha, 0x7067,
 471                     "Staging flash region write -- 0x%x/0x%x.\n",
 472                     ha->optrom_region_start, ha->optrom_region_size);
 473
 474                 break;
 475         case 3:
 476                 if (ha->optrom_state != QLA_SWRITING) {
 477                         rval = -EINVAL;
 478                         goto out;
 479                 }
 480
 481                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 482                         ql_log(ql_log_warn, vha, 0x7068,
 483                             "HBA not online, failing flash update.\n");
 484                         rval = -EAGAIN;
 485                         goto out;
 486                 }
 487
 488                 ql_dbg(ql_dbg_user, vha, 0x7069,
 489                     "Writing flash region -- 0x%x/0x%x.\n",
 490                     ha->optrom_region_start, ha->optrom_region_size);
 491
 492                 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
 493                     ha->optrom_region_start, ha->optrom_region_size);
 494                 break;
 495         default:
 496                 rval = -EINVAL;
 497         }
 498
 499 out:
 500         mutex_unlock(&ha->optrom_mutex);
 501         return rval;
 502 }
 503
 504 static struct bin_attribute sysfs_optrom_ctl_attr = {
 505         .attr = {
 506                 .name = "optrom_ctl",
 507                 .mode = S_IWUSR,
 508         },
 509         .size = 0,
 510         .write = qla2x00_sysfs_write_optrom_ctl,
 511 };
 512
 513 static ssize_t
 514 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
 515                        struct bin_attribute *bin_attr,
 516                        char *buf, loff_t off, size_t count)
 517 {
 518         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 519             struct device, kobj)));
 520         struct qla_hw_data *ha = vha->hw;
 521         uint32_t faddr;
 522         struct active_regions active_regions = { };
 523
 524         if (unlikely(pci_channel_offline(ha->pdev)))
 525                 return -EAGAIN;
 526
 527         if (!capable(CAP_SYS_ADMIN))
 528                 return -EINVAL;
 529
 530         if (IS_NOCACHE_VPD_TYPE(ha))
 531                 goto skip;
 532
 533         faddr = ha->flt_region_vpd << 2;
 534
 535         if (IS_QLA28XX(ha)) {
 536                 qla28xx_get_aux_images(vha, &active_regions);
 537                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
 538                         faddr = ha->flt_region_vpd_sec << 2;
 539
 540                 ql_dbg(ql_dbg_init, vha, 0x7070,
 541                     "Loading %s nvram image.\n",
 542                     active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
 543                     "primary" : "secondary");
 544         }
 545
 546         mutex_lock(&ha->optrom_mutex);
 547         if (qla2x00_chip_is_down(vha)) {
 548                 mutex_unlock(&ha->optrom_mutex);
 549                 return -EAGAIN;
 550         }
 551
 552         ha->isp_ops->read_optrom(vha, ha->vpd, faddr, ha->vpd_size);
 553         mutex_unlock(&ha->optrom_mutex);
 554
 555         ha->isp_ops->read_optrom(vha, ha->vpd, faddr, ha->vpd_size);
 556 skip:
 557         return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
 558 }
 559
 560 static ssize_t
 561 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
 562                         struct bin_attribute *bin_attr,
 563                         char *buf, loff_t off, size_t count)
 564 {
 565         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 566             struct device, kobj)));
 567         struct qla_hw_data *ha = vha->hw;
 568         uint8_t *tmp_data;
 569
 570         if (unlikely(pci_channel_offline(ha->pdev)))
 571                 return 0;
 572
 573         if (qla2x00_chip_is_down(vha))
 574                 return 0;
 575
 576         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
 577             !ha->isp_ops->write_nvram)
 578                 return 0;
 579
 580         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 581                 ql_log(ql_log_warn, vha, 0x706a,
 582                     "HBA not online, failing VPD update.\n");
 583                 return -EAGAIN;
 584         }
 585
 586         mutex_lock(&ha->optrom_mutex);
 587         if (qla2x00_chip_is_down(vha)) {
 588                 mutex_unlock(&ha->optrom_mutex);
 589                 return -EAGAIN;
 590         }
 591
 592         /* Write NVRAM. */
 593         ha->isp_ops->write_nvram(vha, buf, ha->vpd_base, count);
 594         ha->isp_ops->read_nvram(vha, ha->vpd, ha->vpd_base, count);
 595
 596         /* Update flash version information for 4Gb & above. */
 597         if (!IS_FWI2_CAPABLE(ha)) {
 598                 mutex_unlock(&ha->optrom_mutex);
 599                 return -EINVAL;
 600         }
 601
 602         tmp_data = vmalloc(256);
 603         if (!tmp_data) {
 604                 mutex_unlock(&ha->optrom_mutex);
 605                 ql_log(ql_log_warn, vha, 0x706b,
 606                     "Unable to allocate memory for VPD information update.\n");
 607                 return -ENOMEM;
 608         }
 609         ha->isp_ops->get_flash_version(vha, tmp_data);
 610         vfree(tmp_data);
 611
 612         mutex_unlock(&ha->optrom_mutex);
 613
 614         return count;
 615 }
 616
 617 static struct bin_attribute sysfs_vpd_attr = {
 618         .attr = {
 619                 .name = "vpd",
 620                 .mode = S_IRUSR | S_IWUSR,
 621         },
 622         .size = 0,
 623         .read = qla2x00_sysfs_read_vpd,
 624         .write = qla2x00_sysfs_write_vpd,
 625 };
 626
 627 static ssize_t
 628 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
 629                        struct bin_attribute *bin_attr,
 630                        char *buf, loff_t off, size_t count)
 631 {
 632         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 633             struct device, kobj)));
 634         int rval;
 635
 636         if (!capable(CAP_SYS_ADMIN) || off != 0 || count < SFP_DEV_SIZE)
 637                 return 0;
 638
 639         mutex_lock(&vha->hw->optrom_mutex);
 640         if (qla2x00_chip_is_down(vha)) {
 641                 mutex_unlock(&vha->hw->optrom_mutex);
 642                 return 0;
 643         }
 644
 645         rval = qla2x00_read_sfp_dev(vha, buf, count);
 646         mutex_unlock(&vha->hw->optrom_mutex);
 647
 648         if (rval)
 649                 return -EIO;
 650
 651         return count;
 652 }
 653
 654 static struct bin_attribute sysfs_sfp_attr = {
 655         .attr = {
 656                 .name = "sfp",
 657                 .mode = S_IRUSR | S_IWUSR,
 658         },
 659         .size = SFP_DEV_SIZE,
 660         .read = qla2x00_sysfs_read_sfp,
 661 };
 662
 663 static ssize_t
 664 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
 665                         struct bin_attribute *bin_attr,
 666                         char *buf, loff_t off, size_t count)
 667 {
 668         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 669             struct device, kobj)));
 670         struct qla_hw_data *ha = vha->hw;
 671         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 672         int type;
 673         uint32_t idc_control;
 674         uint8_t *tmp_data = NULL;
 675
 676         if (off != 0)
 677                 return -EINVAL;
 678
 679         type = simple_strtol(buf, NULL, 10);
 680         switch (type) {
 681         case 0x2025c:
 682                 ql_log(ql_log_info, vha, 0x706e,
 683                     "Issuing ISP reset.\n");
 684
 685                 scsi_block_requests(vha->host);
 686                 if (IS_QLA82XX(ha)) {
 687                         ha->flags.isp82xx_no_md_cap = 1;
 688                         qla82xx_idc_lock(ha);
 689                         qla82xx_set_reset_owner(vha);
 690                         qla82xx_idc_unlock(ha);
 691                 } else if (IS_QLA8044(ha)) {
 692                         qla8044_idc_lock(ha);
 693                         idc_control = qla8044_rd_reg(ha,
 694                             QLA8044_IDC_DRV_CTRL);
 695                         qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
 696                             (idc_control | GRACEFUL_RESET_BIT1));
 697                         qla82xx_set_reset_owner(vha);
 698                         qla8044_idc_unlock(ha);
 699                 } else {
 700                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 701                         qla2xxx_wake_dpc(vha);
 702                 }
 703                 qla2x00_wait_for_chip_reset(vha);
 704                 scsi_unblock_requests(vha->host);
 705                 break;
 706         case 0x2025d:
 707                 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
 708                         return -EPERM;
 709
 710                 ql_log(ql_log_info, vha, 0x706f,
 711                     "Issuing MPI reset.\n");
 712
 713                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
 714                         uint32_t idc_control;
 715
 716                         qla83xx_idc_lock(vha, 0);
 717                         __qla83xx_get_idc_control(vha, &idc_control);
 718                         idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
 719                         __qla83xx_set_idc_control(vha, idc_control);
 720                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 721                             QLA8XXX_DEV_NEED_RESET);
 722                         qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
 723                         qla83xx_idc_unlock(vha, 0);
 724                         break;
 725                 } else {
 726                         /* Make sure FC side is not in reset */
 727                         WARN_ON_ONCE(qla2x00_wait_for_hba_online(vha) !=
 728                                      QLA_SUCCESS);
 729
 730                         /* Issue MPI reset */
 731                         scsi_block_requests(vha->host);
 732                         if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
 733                                 ql_log(ql_log_warn, vha, 0x7070,
 734                                     "MPI reset failed.\n");
 735                         scsi_unblock_requests(vha->host);
 736                         break;
 737                 }
 738         case 0x2025e:
 739                 if (!IS_P3P_TYPE(ha) || vha != base_vha) {
 740                         ql_log(ql_log_info, vha, 0x7071,
 741                             "FCoE ctx reset not supported.\n");
 742                         return -EPERM;
 743                 }
 744
 745                 ql_log(ql_log_info, vha, 0x7072,
 746                     "Issuing FCoE ctx reset.\n");
 747                 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
 748                 qla2xxx_wake_dpc(vha);
 749                 qla2x00_wait_for_fcoe_ctx_reset(vha);
 750                 break;
 751         case 0x2025f:
 752                 if (!IS_QLA8031(ha))
 753                         return -EPERM;
 754                 ql_log(ql_log_info, vha, 0x70bc,
 755                     "Disabling Reset by IDC control\n");
 756                 qla83xx_idc_lock(vha, 0);
 757                 __qla83xx_get_idc_control(vha, &idc_control);
 758                 idc_control |= QLA83XX_IDC_RESET_DISABLED;
 759                 __qla83xx_set_idc_control(vha, idc_control);
 760                 qla83xx_idc_unlock(vha, 0);
 761                 break;
 762         case 0x20260:
 763                 if (!IS_QLA8031(ha))
 764                         return -EPERM;
 765                 ql_log(ql_log_info, vha, 0x70bd,
 766                     "Enabling Reset by IDC control\n");
 767                 qla83xx_idc_lock(vha, 0);
 768                 __qla83xx_get_idc_control(vha, &idc_control);
 769                 idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
 770                 __qla83xx_set_idc_control(vha, idc_control);
 771                 qla83xx_idc_unlock(vha, 0);
 772                 break;
 773         case 0x20261:
 774                 ql_dbg(ql_dbg_user, vha, 0x70e0,
 775                     "Updating cache versions without reset ");
 776
 777                 tmp_data = vmalloc(256);
 778                 if (!tmp_data) {
 779                         ql_log(ql_log_warn, vha, 0x70e1,
 780                             "Unable to allocate memory for VPD information update.\n");
 781                         return -ENOMEM;
 782                 }
 783                 ha->isp_ops->get_flash_version(vha, tmp_data);
 784                 vfree(tmp_data);
 785                 break;
 786         }
 787         return count;
 788 }
 789
 790 static struct bin_attribute sysfs_reset_attr = {
 791         .attr = {
 792                 .name = "reset",
 793                 .mode = S_IWUSR,
 794         },
 795         .size = 0,
 796         .write = qla2x00_sysfs_write_reset,
 797 };
 798
 799 static ssize_t
 800 qla2x00_issue_logo(struct file *filp, struct kobject *kobj,
 801                         struct bin_attribute *bin_attr,
 802                         char *buf, loff_t off, size_t count)
 803 {
 804         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 805             struct device, kobj)));
 806         int type;
 807         port_id_t did;
 808
 809         if (!capable(CAP_SYS_ADMIN))
 810                 return 0;
 811
 812         if (unlikely(pci_channel_offline(vha->hw->pdev)))
 813                 return 0;
 814
 815         if (qla2x00_chip_is_down(vha))
 816                 return 0;
 817
 818         type = simple_strtol(buf, NULL, 10);
 819
 820         did.b.domain = (type & 0x00ff0000) >> 16;
 821         did.b.area = (type & 0x0000ff00) >> 8;
 822         did.b.al_pa = (type & 0x000000ff);
 823
 824         ql_log(ql_log_info, vha, 0xd04d, "portid=%02x%02x%02x done\n",
 825             did.b.domain, did.b.area, did.b.al_pa);
 826
 827         ql_log(ql_log_info, vha, 0x70e4, "%s: %d\n", __func__, type);
 828
 829         qla24xx_els_dcmd_iocb(vha, ELS_DCMD_LOGO, did);
 830         return count;
 831 }
 832
 833 static struct bin_attribute sysfs_issue_logo_attr = {
 834         .attr = {
 835                 .name = "issue_logo",
 836                 .mode = S_IWUSR,
 837         },
 838         .size = 0,
 839         .write = qla2x00_issue_logo,
 840 };
 841
 842 static ssize_t
 843 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
 844                        struct bin_attribute *bin_attr,
 845                        char *buf, loff_t off, size_t count)
 846 {
 847         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 848             struct device, kobj)));
 849         struct qla_hw_data *ha = vha->hw;
 850         int rval;
 851         uint16_t actual_size;
 852
 853         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
 854                 return 0;
 855
 856         if (unlikely(pci_channel_offline(ha->pdev)))
 857                 return 0;
 858         mutex_lock(&vha->hw->optrom_mutex);
 859         if (qla2x00_chip_is_down(vha)) {
 860                 mutex_unlock(&vha->hw->optrom_mutex);
 861                 return 0;
 862         }
 863
 864         if (ha->xgmac_data)
 865                 goto do_read;
 866
 867         ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
 868             &ha->xgmac_data_dma, GFP_KERNEL);
 869         if (!ha->xgmac_data) {
 870                 mutex_unlock(&vha->hw->optrom_mutex);
 871                 ql_log(ql_log_warn, vha, 0x7076,
 872                     "Unable to allocate memory for XGMAC read-data.\n");
 873                 return 0;
 874         }
 875
 876 do_read:
 877         actual_size = 0;
 878         memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
 879
 880         rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
 881             XGMAC_DATA_SIZE, &actual_size);
 882
 883         mutex_unlock(&vha->hw->optrom_mutex);
 884         if (rval != QLA_SUCCESS) {
 885                 ql_log(ql_log_warn, vha, 0x7077,
 886                     "Unable to read XGMAC data (%x).\n", rval);
 887                 count = 0;
 888         }
 889
 890         count = actual_size > count ? count : actual_size;
 891         memcpy(buf, ha->xgmac_data, count);
 892
 893         return count;
 894 }
 895
 896 static struct bin_attribute sysfs_xgmac_stats_attr = {
 897         .attr = {
 898                 .name = "xgmac_stats",
 899                 .mode = S_IRUSR,
 900         },
 901         .size = 0,
 902         .read = qla2x00_sysfs_read_xgmac_stats,
 903 };
 904
 905 static ssize_t
 906 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
 907                        struct bin_attribute *bin_attr,
 908                        char *buf, loff_t off, size_t count)
 909 {
 910         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 911             struct device, kobj)));
 912         struct qla_hw_data *ha = vha->hw;
 913         int rval;
 914
 915         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
 916                 return 0;
 917
 918         if (ha->dcbx_tlv)
 919                 goto do_read;
 920         mutex_lock(&vha->hw->optrom_mutex);
 921         if (qla2x00_chip_is_down(vha)) {
 922                 mutex_unlock(&vha->hw->optrom_mutex);
 923                 return 0;
 924         }
 925
 926         ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
 927             &ha->dcbx_tlv_dma, GFP_KERNEL);
 928         if (!ha->dcbx_tlv) {
 929                 mutex_unlock(&vha->hw->optrom_mutex);
 930                 ql_log(ql_log_warn, vha, 0x7078,
 931                     "Unable to allocate memory for DCBX TLV read-data.\n");
 932                 return -ENOMEM;
 933         }
 934
 935 do_read:
 936         memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
 937
 938         rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
 939             DCBX_TLV_DATA_SIZE);
 940
 941         mutex_unlock(&vha->hw->optrom_mutex);
 942
 943         if (rval != QLA_SUCCESS) {
 944                 ql_log(ql_log_warn, vha, 0x7079,
 945                     "Unable to read DCBX TLV (%x).\n", rval);
 946                 return -EIO;
 947         }
 948
 949         memcpy(buf, ha->dcbx_tlv, count);
 950
 951         return count;
 952 }
 953
 954 static struct bin_attribute sysfs_dcbx_tlv_attr = {
 955         .attr = {
 956                 .name = "dcbx_tlv",
 957                 .mode = S_IRUSR,
 958         },
 959         .size = 0,
 960         .read = qla2x00_sysfs_read_dcbx_tlv,
 961 };
 962
 963 static struct sysfs_entry {
 964         char *name;
 965         struct bin_attribute *attr;
 966         int type;
 967 } bin_file_entries[] = {
 968         { "fw_dump", &sysfs_fw_dump_attr, },
 969         { "nvram", &sysfs_nvram_attr, },
 970         { "optrom", &sysfs_optrom_attr, },
 971         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
 972         { "vpd", &sysfs_vpd_attr, 1 },
 973         { "sfp", &sysfs_sfp_attr, 1 },
 974         { "reset", &sysfs_reset_attr, },
 975         { "issue_logo", &sysfs_issue_logo_attr, },
 976         { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
 977         { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
 978         { NULL },
 979 };
 980
 981 void
 982 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
 983 {
 984         struct Scsi_Host *host = vha->host;
 985         struct sysfs_entry *iter;
 986         int ret;
 987
 988         for (iter = bin_file_entries; iter->name; iter++) {
 989                 if (iter->type && !IS_FWI2_CAPABLE(vha->hw))
 990                         continue;
 991                 if (iter->type == 2 && !IS_QLA25XX(vha->hw))
 992                         continue;
 993                 if (iter->type == 3 && !(IS_CNA_CAPABLE(vha->hw)))
 994                         continue;
 995
 996                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
 997                     iter->attr);
 998                 if (ret)
 999                         ql_log(ql_log_warn, vha, 0x00f3,
1000                             "Unable to create sysfs %s binary attribute (%d).\n",
1001                             iter->name, ret);
1002                 else
1003                         ql_dbg(ql_dbg_init, vha, 0x00f4,
1004                             "Successfully created sysfs %s binary attribute.\n",
1005                             iter->name);
1006         }
1007 }
1008
1009 void
1010 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
1011 {
1012         struct Scsi_Host *host = vha->host;
1013         struct sysfs_entry *iter;
1014         struct qla_hw_data *ha = vha->hw;
1015
1016         for (iter = bin_file_entries; iter->name; iter++) {
1017                 if (iter->type && !IS_FWI2_CAPABLE(ha))
1018                         continue;
1019                 if (iter->type == 2 && !IS_QLA25XX(ha))
1020                         continue;
1021                 if (iter->type == 3 && !(IS_CNA_CAPABLE(ha)))
1022                         continue;
1023                 if (iter->type == 0x27 &&
1024                     (!IS_QLA27XX(ha) || !IS_QLA28XX(ha)))
1025                         continue;
1026
1027                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
1028                     iter->attr);
1029         }
1030
1031         if (stop_beacon && ha->beacon_blink_led == 1)
1032                 ha->isp_ops->beacon_off(vha);
1033 }
1034
1035 /* Scsi_Host attributes. */
1036
1037 static ssize_t
1038 qla2x00_driver_version_show(struct device *dev,
1039                           struct device_attribute *attr, char *buf)
1040 {
1041         return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
1042 }
1043
1044 static ssize_t
1045 qla2x00_fw_version_show(struct device *dev,
1046                         struct device_attribute *attr, char *buf)
1047 {
1048         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1049         struct qla_hw_data *ha = vha->hw;
1050         char fw_str[128];
1051
1052         return scnprintf(buf, PAGE_SIZE, "%s\n",
1053             ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
1054 }
1055
1056 static ssize_t
1057 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
1058                         char *buf)
1059 {
1060         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1061         struct qla_hw_data *ha = vha->hw;
1062         uint32_t sn;
1063
1064         if (IS_QLAFX00(vha->hw)) {
1065                 return scnprintf(buf, PAGE_SIZE, "%s\n",
1066                     vha->hw->mr.serial_num);
1067         } else if (IS_FWI2_CAPABLE(ha)) {
1068                 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
1069                 return strlen(strcat(buf, "\n"));
1070         }
1071
1072         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1073         return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
1074             sn % 100000);
1075 }
1076
1077 static ssize_t
1078 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
1079                       char *buf)
1080 {
1081         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1082
1083         return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1084 }
1085
1086 static ssize_t
1087 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
1088                     char *buf)
1089 {
1090         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1091         struct qla_hw_data *ha = vha->hw;
1092
1093         if (IS_QLAFX00(vha->hw))
1094                 return scnprintf(buf, PAGE_SIZE, "%s\n",
1095                     vha->hw->mr.hw_version);
1096
1097         return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1098             ha->product_id[0], ha->product_id[1], ha->product_id[2],
1099             ha->product_id[3]);
1100 }
1101
1102 static ssize_t
1103 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1104                         char *buf)
1105 {
1106         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1107
1108         return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1109 }
1110
1111 static ssize_t
1112 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1113                         char *buf)
1114 {
1115         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1116
1117         return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_desc);
1118 }
1119
1120 static ssize_t
1121 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
1122                       char *buf)
1123 {
1124         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1125         char pci_info[30];
1126
1127         return scnprintf(buf, PAGE_SIZE, "%s\n",
1128                          vha->hw->isp_ops->pci_info_str(vha, pci_info,
1129                                                         sizeof(pci_info)));
1130 }
1131
1132 static ssize_t
1133 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1134                         char *buf)
1135 {
1136         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1137         struct qla_hw_data *ha = vha->hw;
1138         int len = 0;
1139
1140         if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1141             atomic_read(&vha->loop_state) == LOOP_DEAD ||
1142             vha->device_flags & DFLG_NO_CABLE)
1143                 len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1144         else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1145             qla2x00_chip_is_down(vha))
1146                 len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1147         else {
1148                 len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1149
1150                 switch (ha->current_topology) {
1151                 case ISP_CFG_NL:
1152                         len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1153                         break;
1154                 case ISP_CFG_FL:
1155                         len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1156                         break;
1157                 case ISP_CFG_N:
1158                         len += scnprintf(buf + len, PAGE_SIZE-len,
1159                             "N_Port to N_Port\n");
1160                         break;
1161                 case ISP_CFG_F:
1162                         len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1163                         break;
1164                 default:
1165                         len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1166                         break;
1167                 }
1168         }
1169         return len;
1170 }
1171
1172 static ssize_t
1173 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1174                  char *buf)
1175 {
1176         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1177         int len = 0;
1178
1179         switch (vha->hw->zio_mode) {
1180         case QLA_ZIO_MODE_6:
1181                 len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1182                 break;
1183         case QLA_ZIO_DISABLED:
1184                 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1185                 break;
1186         }
1187         return len;
1188 }
1189
1190 static ssize_t
1191 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1192                   const char *buf, size_t count)
1193 {
1194         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1195         struct qla_hw_data *ha = vha->hw;
1196         int val = 0;
1197         uint16_t zio_mode;
1198
1199         if (!IS_ZIO_SUPPORTED(ha))
1200                 return -ENOTSUPP;
1201
1202         if (sscanf(buf, "%d", &val) != 1)
1203                 return -EINVAL;
1204
1205         if (val)
1206                 zio_mode = QLA_ZIO_MODE_6;
1207         else
1208                 zio_mode = QLA_ZIO_DISABLED;
1209
1210         /* Update per-hba values and queue a reset. */
1211         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1212                 ha->zio_mode = zio_mode;
1213                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1214         }
1215         return strlen(buf);
1216 }
1217
1218 static ssize_t
1219 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1220                        char *buf)
1221 {
1222         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1223
1224         return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1225 }
1226
1227 static ssize_t
1228 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1229                         const char *buf, size_t count)
1230 {
1231         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1232         int val = 0;
1233         uint16_t zio_timer;
1234
1235         if (sscanf(buf, "%d", &val) != 1)
1236                 return -EINVAL;
1237         if (val > 25500 || val < 100)
1238                 return -ERANGE;
1239
1240         zio_timer = (uint16_t)(val / 100);
1241         vha->hw->zio_timer = zio_timer;
1242
1243         return strlen(buf);
1244 }
1245
1246 static ssize_t
1247 qla_zio_threshold_show(struct device *dev, struct device_attribute *attr,
1248                        char *buf)
1249 {
1250         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1251
1252         return scnprintf(buf, PAGE_SIZE, "%d exchanges\n",
1253             vha->hw->last_zio_threshold);
1254 }
1255
1256 static ssize_t
1257 qla_zio_threshold_store(struct device *dev, struct device_attribute *attr,
1258     const char *buf, size_t count)
1259 {
1260         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1261         int val = 0;
1262
1263         if (vha->hw->zio_mode != QLA_ZIO_MODE_6)
1264                 return -EINVAL;
1265         if (sscanf(buf, "%d", &val) != 1)
1266                 return -EINVAL;
1267         if (val < 0 || val > 256)
1268                 return -ERANGE;
1269
1270         atomic_set(&vha->hw->zio_threshold, val);
1271         return strlen(buf);
1272 }
1273
1274 static ssize_t
1275 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1276                     char *buf)
1277 {
1278         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1279         int len = 0;
1280
1281         if (vha->hw->beacon_blink_led)
1282                 len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1283         else
1284                 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1285         return len;
1286 }
1287
1288 static ssize_t
1289 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1290                      const char *buf, size_t count)
1291 {
1292         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1293         struct qla_hw_data *ha = vha->hw;
1294         int val = 0;
1295         int rval;
1296
1297         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1298                 return -EPERM;
1299
1300         if (sscanf(buf, "%d", &val) != 1)
1301                 return -EINVAL;
1302
1303         mutex_lock(&vha->hw->optrom_mutex);
1304         if (qla2x00_chip_is_down(vha)) {
1305                 mutex_unlock(&vha->hw->optrom_mutex);
1306                 ql_log(ql_log_warn, vha, 0x707a,
1307                     "Abort ISP active -- ignoring beacon request.\n");
1308                 return -EBUSY;
1309         }
1310
1311         if (val)
1312                 rval = ha->isp_ops->beacon_on(vha);
1313         else
1314                 rval = ha->isp_ops->beacon_off(vha);
1315
1316         if (rval != QLA_SUCCESS)
1317                 count = 0;
1318
1319         mutex_unlock(&vha->hw->optrom_mutex);
1320
1321         return count;
1322 }
1323
1324 static ssize_t
1325 qla2x00_optrom_bios_version_show(struct device *dev,
1326                                  struct device_attribute *attr, char *buf)
1327 {
1328         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1329         struct qla_hw_data *ha = vha->hw;
1330
1331         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1332             ha->bios_revision[0]);
1333 }
1334
1335 static ssize_t
1336 qla2x00_optrom_efi_version_show(struct device *dev,
1337                                 struct device_attribute *attr, char *buf)
1338 {
1339         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1340         struct qla_hw_data *ha = vha->hw;
1341
1342         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1343             ha->efi_revision[0]);
1344 }
1345
1346 static ssize_t
1347 qla2x00_optrom_fcode_version_show(struct device *dev,
1348                                   struct device_attribute *attr, char *buf)
1349 {
1350         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1351         struct qla_hw_data *ha = vha->hw;
1352
1353         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1354             ha->fcode_revision[0]);
1355 }
1356
1357 static ssize_t
1358 qla2x00_optrom_fw_version_show(struct device *dev,
1359                                struct device_attribute *attr, char *buf)
1360 {
1361         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1362         struct qla_hw_data *ha = vha->hw;
1363
1364         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1365             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1366             ha->fw_revision[3]);
1367 }
1368
1369 static ssize_t
1370 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1371     struct device_attribute *attr, char *buf)
1372 {
1373         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1374         struct qla_hw_data *ha = vha->hw;
1375
1376         if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1377             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1378                 return scnprintf(buf, PAGE_SIZE, "\n");
1379
1380         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1381             ha->gold_fw_version[0], ha->gold_fw_version[1],
1382             ha->gold_fw_version[2], ha->gold_fw_version[3]);
1383 }
1384
1385 static ssize_t
1386 qla2x00_total_isp_aborts_show(struct device *dev,
1387                               struct device_attribute *attr, char *buf)
1388 {
1389         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1390
1391         return scnprintf(buf, PAGE_SIZE, "%d\n",
1392             vha->qla_stats.total_isp_aborts);
1393 }
1394
1395 static ssize_t
1396 qla24xx_84xx_fw_version_show(struct device *dev,
1397         struct device_attribute *attr, char *buf)
1398 {
1399         int rval = QLA_SUCCESS;
1400         uint16_t status[2] = { 0 };
1401         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1402         struct qla_hw_data *ha = vha->hw;
1403
1404         if (!IS_QLA84XX(ha))
1405                 return scnprintf(buf, PAGE_SIZE, "\n");
1406
1407         if (!ha->cs84xx->op_fw_version) {
1408                 rval = qla84xx_verify_chip(vha, status);
1409
1410                 if (!rval && !status[0])
1411                         return scnprintf(buf, PAGE_SIZE, "%u\n",
1412                             (uint32_t)ha->cs84xx->op_fw_version);
1413         }
1414
1415         return scnprintf(buf, PAGE_SIZE, "\n");
1416 }
1417
1418 static ssize_t
1419 qla2x00_serdes_version_show(struct device *dev, struct device_attribute *attr,
1420     char *buf)
1421 {
1422         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1423         struct qla_hw_data *ha = vha->hw;
1424
1425         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1426                 return scnprintf(buf, PAGE_SIZE, "\n");
1427
1428         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1429             ha->serdes_version[0], ha->serdes_version[1],
1430             ha->serdes_version[2]);
1431 }
1432
1433 static ssize_t
1434 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1435     char *buf)
1436 {
1437         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1438         struct qla_hw_data *ha = vha->hw;
1439
1440         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha) &&
1441             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1442                 return scnprintf(buf, PAGE_SIZE, "\n");
1443
1444         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1445             ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1446             ha->mpi_capabilities);
1447 }
1448
1449 static ssize_t
1450 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1451     char *buf)
1452 {
1453         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1454         struct qla_hw_data *ha = vha->hw;
1455
1456         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1457                 return scnprintf(buf, PAGE_SIZE, "\n");
1458
1459         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1460             ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1461 }
1462
1463 static ssize_t
1464 qla2x00_flash_block_size_show(struct device *dev,
1465                               struct device_attribute *attr, char *buf)
1466 {
1467         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1468         struct qla_hw_data *ha = vha->hw;
1469
1470         return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1471 }
1472
1473 static ssize_t
1474 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1475     char *buf)
1476 {
1477         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1478
1479         if (!IS_CNA_CAPABLE(vha->hw))
1480                 return scnprintf(buf, PAGE_SIZE, "\n");
1481
1482         return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1483 }
1484
1485 static ssize_t
1486 qla2x00_vn_port_mac_address_show(struct device *dev,
1487     struct device_attribute *attr, char *buf)
1488 {
1489         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1490
1491         if (!IS_CNA_CAPABLE(vha->hw))
1492                 return scnprintf(buf, PAGE_SIZE, "\n");
1493
1494         return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1495 }
1496
1497 static ssize_t
1498 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1499     char *buf)
1500 {
1501         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1502
1503         return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1504 }
1505
1506 static ssize_t
1507 qla2x00_thermal_temp_show(struct device *dev,
1508         struct device_attribute *attr, char *buf)
1509 {
1510         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1511         uint16_t temp = 0;
1512         int rc;
1513
1514         mutex_lock(&vha->hw->optrom_mutex);
1515         if (qla2x00_chip_is_down(vha)) {
1516                 mutex_unlock(&vha->hw->optrom_mutex);
1517                 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1518                 goto done;
1519         }
1520
1521         if (vha->hw->flags.eeh_busy) {
1522                 mutex_unlock(&vha->hw->optrom_mutex);
1523                 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1524                 goto done;
1525         }
1526
1527         rc = qla2x00_get_thermal_temp(vha, &temp);
1528         mutex_unlock(&vha->hw->optrom_mutex);
1529         if (rc == QLA_SUCCESS)
1530                 return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1531
1532 done:
1533         return scnprintf(buf, PAGE_SIZE, "\n");
1534 }
1535
1536 static ssize_t
1537 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1538     char *buf)
1539 {
1540         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1541         int rval = QLA_FUNCTION_FAILED;
1542         uint16_t state[6];
1543         uint32_t pstate;
1544
1545         if (IS_QLAFX00(vha->hw)) {
1546                 pstate = qlafx00_fw_state_show(dev, attr, buf);
1547                 return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1548         }
1549
1550         mutex_lock(&vha->hw->optrom_mutex);
1551         if (qla2x00_chip_is_down(vha)) {
1552                 mutex_unlock(&vha->hw->optrom_mutex);
1553                 ql_log(ql_log_warn, vha, 0x707c,
1554                     "ISP reset active.\n");
1555                 goto out;
1556         } else if (vha->hw->flags.eeh_busy) {
1557                 mutex_unlock(&vha->hw->optrom_mutex);
1558                 goto out;
1559         }
1560
1561         rval = qla2x00_get_firmware_state(vha, state);
1562         mutex_unlock(&vha->hw->optrom_mutex);
1563 out:
1564         if (rval != QLA_SUCCESS) {
1565                 memset(state, -1, sizeof(state));
1566                 rval = qla2x00_get_firmware_state(vha, state);
1567         }
1568
1569         return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1570             state[0], state[1], state[2], state[3], state[4], state[5]);
1571 }
1572
1573 static ssize_t
1574 qla2x00_diag_requests_show(struct device *dev,
1575         struct device_attribute *attr, char *buf)
1576 {
1577         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1578
1579         if (!IS_BIDI_CAPABLE(vha->hw))
1580                 return scnprintf(buf, PAGE_SIZE, "\n");
1581
1582         return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1583 }
1584
1585 static ssize_t
1586 qla2x00_diag_megabytes_show(struct device *dev,
1587         struct device_attribute *attr, char *buf)
1588 {
1589         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1590
1591         if (!IS_BIDI_CAPABLE(vha->hw))
1592                 return scnprintf(buf, PAGE_SIZE, "\n");
1593
1594         return scnprintf(buf, PAGE_SIZE, "%llu\n",
1595             vha->bidi_stats.transfer_bytes >> 20);
1596 }
1597
1598 static ssize_t
1599 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1600         char *buf)
1601 {
1602         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1603         struct qla_hw_data *ha = vha->hw;
1604         uint32_t size;
1605
1606         if (!ha->fw_dumped)
1607                 size = 0;
1608         else if (IS_P3P_TYPE(ha))
1609                 size = ha->md_template_size + ha->md_dump_size;
1610         else
1611                 size = ha->fw_dump_len;
1612
1613         return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1614 }
1615
1616 static ssize_t
1617 qla2x00_allow_cna_fw_dump_show(struct device *dev,
1618         struct device_attribute *attr, char *buf)
1619 {
1620         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1621
1622         if (!IS_P3P_TYPE(vha->hw))
1623                 return scnprintf(buf, PAGE_SIZE, "\n");
1624         else
1625                 return scnprintf(buf, PAGE_SIZE, "%s\n",
1626                     vha->hw->allow_cna_fw_dump ? "true" : "false");
1627 }
1628
1629 static ssize_t
1630 qla2x00_allow_cna_fw_dump_store(struct device *dev,
1631         struct device_attribute *attr, const char *buf, size_t count)
1632 {
1633         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1634         int val = 0;
1635
1636         if (!IS_P3P_TYPE(vha->hw))
1637                 return -EINVAL;
1638
1639         if (sscanf(buf, "%d", &val) != 1)
1640                 return -EINVAL;
1641
1642         vha->hw->allow_cna_fw_dump = val != 0;
1643
1644         return strlen(buf);
1645 }
1646
1647 static ssize_t
1648 qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr,
1649         char *buf)
1650 {
1651         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1652         struct qla_hw_data *ha = vha->hw;
1653
1654         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1655                 return scnprintf(buf, PAGE_SIZE, "\n");
1656
1657         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1658             ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]);
1659 }
1660
1661 static ssize_t
1662 qla2x00_min_supported_speed_show(struct device *dev,
1663     struct device_attribute *attr, char *buf)
1664 {
1665         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1666         struct qla_hw_data *ha = vha->hw;
1667
1668         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1669                 return scnprintf(buf, PAGE_SIZE, "\n");
1670
1671         return scnprintf(buf, PAGE_SIZE, "%s\n",
1672             ha->min_supported_speed == 6 ? "64Gps" :
1673             ha->min_supported_speed == 5 ? "32Gps" :
1674             ha->min_supported_speed == 4 ? "16Gps" :
1675             ha->min_supported_speed == 3 ? "8Gps" :
1676             ha->min_supported_speed == 2 ? "4Gps" :
1677             ha->min_supported_speed != 0 ? "unknown" : "");
1678 }
1679
1680 static ssize_t
1681 qla2x00_max_supported_speed_show(struct device *dev,
1682     struct device_attribute *attr, char *buf)
1683 {
1684         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1685         struct qla_hw_data *ha = vha->hw;
1686
1687         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1688                 return scnprintf(buf, PAGE_SIZE, "\n");
1689
1690         return scnprintf(buf, PAGE_SIZE, "%s\n",
1691             ha->max_supported_speed  == 2 ? "64Gps" :
1692             ha->max_supported_speed  == 1 ? "32Gps" :
1693             ha->max_supported_speed  == 0 ? "16Gps" : "unknown");
1694 }
1695
1696 static ssize_t
1697 qla2x00_port_speed_store(struct device *dev, struct device_attribute *attr,
1698     const char *buf, size_t count)
1699 {
1700         struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
1701         ulong type, speed;
1702         int oldspeed, rval;
1703         int mode = QLA_SET_DATA_RATE_LR;
1704         struct qla_hw_data *ha = vha->hw;
1705
1706         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) {
1707                 ql_log(ql_log_warn, vha, 0x70d8,
1708                     "Speed setting not supported \n");
1709                 return -EINVAL;
1710         }
1711
1712         rval = kstrtol(buf, 10, &type);
1713         if (rval)
1714                 return rval;
1715         speed = type;
1716         if (type == 40 || type == 80 || type == 160 ||
1717             type == 320) {
1718                 ql_dbg(ql_dbg_user, vha, 0x70d9,
1719                     "Setting will be affected after a loss of sync\n");
1720                 type = type/10;
1721                 mode = QLA_SET_DATA_RATE_NOLR;
1722         }
1723
1724         oldspeed = ha->set_data_rate;
1725
1726         switch (type) {
1727         case 0:
1728                 ha->set_data_rate = PORT_SPEED_AUTO;
1729                 break;
1730         case 4:
1731                 ha->set_data_rate = PORT_SPEED_4GB;
1732                 break;
1733         case 8:
1734                 ha->set_data_rate = PORT_SPEED_8GB;
1735                 break;
1736         case 16:
1737                 ha->set_data_rate = PORT_SPEED_16GB;
1738                 break;
1739         case 32:
1740                 ha->set_data_rate = PORT_SPEED_32GB;
1741                 break;
1742         default:
1743                 ql_log(ql_log_warn, vha, 0x1199,
1744                     "Unrecognized speed setting:%lx. Setting Autoneg\n",
1745                     speed);
1746                 ha->set_data_rate = PORT_SPEED_AUTO;
1747         }
1748
1749         if (qla2x00_chip_is_down(vha) || (oldspeed == ha->set_data_rate))
1750                 return -EINVAL;
1751
1752         ql_log(ql_log_info, vha, 0x70da,
1753             "Setting speed to %lx Gbps \n", type);
1754
1755         rval = qla2x00_set_data_rate(vha, mode);
1756         if (rval != QLA_SUCCESS)
1757                 return -EIO;
1758
1759         return strlen(buf);
1760 }
1761
1762 static ssize_t
1763 qla2x00_port_speed_show(struct device *dev, struct device_attribute *attr,
1764     char *buf)
1765 {
1766         struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
1767         struct qla_hw_data *ha = vha->hw;
1768         ssize_t rval;
1769         char *spd[7] = {"0", "0", "0", "4", "8", "16", "32"};
1770
1771         rval = qla2x00_get_data_rate(vha);
1772         if (rval != QLA_SUCCESS) {
1773                 ql_log(ql_log_warn, vha, 0x70db,
1774                     "Unable to get port speed rval:%zd\n", rval);
1775                 return -EINVAL;
1776         }
1777
1778         ql_log(ql_log_info, vha, 0x70d6,
1779             "port speed:%d\n", ha->link_data_rate);
1780
1781         return scnprintf(buf, PAGE_SIZE, "%s\n", spd[ha->link_data_rate]);
1782 }
1783
1784 /* ----- */
1785
1786 static ssize_t
1787 qlini_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
1788 {
1789         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1790         int len = 0;
1791
1792         len += scnprintf(buf + len, PAGE_SIZE-len,
1793             "Supported options: enabled | disabled | dual | exclusive\n");
1794
1795         /* --- */
1796         len += scnprintf(buf + len, PAGE_SIZE-len, "Current selection: ");
1797
1798         switch (vha->qlini_mode) {
1799         case QLA2XXX_INI_MODE_EXCLUSIVE:
1800                 len += scnprintf(buf + len, PAGE_SIZE-len,
1801                     QLA2XXX_INI_MODE_STR_EXCLUSIVE);
1802                 break;
1803         case QLA2XXX_INI_MODE_DISABLED:
1804                 len += scnprintf(buf + len, PAGE_SIZE-len,
1805                     QLA2XXX_INI_MODE_STR_DISABLED);
1806                 break;
1807         case QLA2XXX_INI_MODE_ENABLED:
1808                 len += scnprintf(buf + len, PAGE_SIZE-len,
1809                     QLA2XXX_INI_MODE_STR_ENABLED);
1810                 break;
1811         case QLA2XXX_INI_MODE_DUAL:
1812                 len += scnprintf(buf + len, PAGE_SIZE-len,
1813                     QLA2XXX_INI_MODE_STR_DUAL);
1814                 break;
1815         }
1816         len += scnprintf(buf + len, PAGE_SIZE-len, "\n");
1817
1818         return len;
1819 }
1820
1821 static char *mode_to_str[] = {
1822         "exclusive",
1823         "disabled",
1824         "enabled",
1825         "dual",
1826 };
1827
1828 #define NEED_EXCH_OFFLOAD(_exchg) ((_exchg) > FW_DEF_EXCHANGES_CNT)
1829 static int qla_set_ini_mode(scsi_qla_host_t *vha, int op)
1830 {
1831         int rc = 0;
1832         enum {
1833                 NO_ACTION,
1834                 MODE_CHANGE_ACCEPT,
1835                 MODE_CHANGE_NO_ACTION,
1836                 TARGET_STILL_ACTIVE,
1837         };
1838         int action = NO_ACTION;
1839         int set_mode = 0;
1840         u8  eo_toggle = 0;      /* exchange offload flipped */
1841
1842         switch (vha->qlini_mode) {
1843         case QLA2XXX_INI_MODE_DISABLED:
1844                 switch (op) {
1845                 case QLA2XXX_INI_MODE_DISABLED:
1846                         if (qla_tgt_mode_enabled(vha)) {
1847                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1848                                     vha->hw->flags.exchoffld_enabled)
1849                                         eo_toggle = 1;
1850                                 if (((vha->ql2xexchoffld !=
1851                                     vha->u_ql2xexchoffld) &&
1852                                     NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1853                                     eo_toggle) {
1854                                         /*
1855                                          * The number of exchange to be offload
1856                                          * was tweaked or offload option was
1857                                          * flipped
1858                                          */
1859                                         action = MODE_CHANGE_ACCEPT;
1860                                 } else {
1861                                         action = MODE_CHANGE_NO_ACTION;
1862                                 }
1863                         } else {
1864                                 action = MODE_CHANGE_NO_ACTION;
1865                         }
1866                         break;
1867                 case QLA2XXX_INI_MODE_EXCLUSIVE:
1868                         if (qla_tgt_mode_enabled(vha)) {
1869                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1870                                     vha->hw->flags.exchoffld_enabled)
1871                                         eo_toggle = 1;
1872                                 if (((vha->ql2xexchoffld !=
1873                                     vha->u_ql2xexchoffld) &&
1874                                     NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1875                                     eo_toggle) {
1876                                         /*
1877                                          * The number of exchange to be offload
1878                                          * was tweaked or offload option was
1879                                          * flipped
1880                                          */
1881                                         action = MODE_CHANGE_ACCEPT;
1882                                 } else {
1883                                         action = MODE_CHANGE_NO_ACTION;
1884                                 }
1885                         } else {
1886                                 action = MODE_CHANGE_ACCEPT;
1887                         }
1888                         break;
1889                 case QLA2XXX_INI_MODE_DUAL:
1890                         action = MODE_CHANGE_ACCEPT;
1891                         /* active_mode is target only, reset it to dual */
1892                         if (qla_tgt_mode_enabled(vha)) {
1893                                 set_mode = 1;
1894                                 action = MODE_CHANGE_ACCEPT;
1895                         } else {
1896                                 action = MODE_CHANGE_NO_ACTION;
1897                         }
1898                         break;
1899
1900                 case QLA2XXX_INI_MODE_ENABLED:
1901                         if (qla_tgt_mode_enabled(vha))
1902                                 action = TARGET_STILL_ACTIVE;
1903                         else {
1904                                 action = MODE_CHANGE_ACCEPT;
1905                                 set_mode = 1;
1906                         }
1907                         break;
1908                 }
1909                 break;
1910
1911         case QLA2XXX_INI_MODE_EXCLUSIVE:
1912                 switch (op) {
1913                 case QLA2XXX_INI_MODE_EXCLUSIVE:
1914                         if (qla_tgt_mode_enabled(vha)) {
1915                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1916                                     vha->hw->flags.exchoffld_enabled)
1917                                         eo_toggle = 1;
1918                                 if (((vha->ql2xexchoffld !=
1919                                     vha->u_ql2xexchoffld) &&
1920                                     NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1921                                     eo_toggle)
1922                                         /*
1923                                          * The number of exchange to be offload
1924                                          * was tweaked or offload option was
1925                                          * flipped
1926                                          */
1927                                         action = MODE_CHANGE_ACCEPT;
1928                                 else
1929                                         action = NO_ACTION;
1930                         } else
1931                                 action = NO_ACTION;
1932
1933                         break;
1934
1935                 case QLA2XXX_INI_MODE_DISABLED:
1936                         if (qla_tgt_mode_enabled(vha)) {
1937                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1938                                     vha->hw->flags.exchoffld_enabled)
1939                                         eo_toggle = 1;
1940                                 if (((vha->ql2xexchoffld !=
1941                                       vha->u_ql2xexchoffld) &&
1942                                     NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1943                                     eo_toggle)
1944                                         action = MODE_CHANGE_ACCEPT;
1945                                 else
1946                                         action = MODE_CHANGE_NO_ACTION;
1947                         } else
1948                                 action = MODE_CHANGE_NO_ACTION;
1949                         break;
1950
1951                 case QLA2XXX_INI_MODE_DUAL: /* exclusive -> dual */
1952                         if (qla_tgt_mode_enabled(vha)) {
1953                                 action = MODE_CHANGE_ACCEPT;
1954                                 set_mode = 1;
1955                         } else
1956                                 action = MODE_CHANGE_ACCEPT;
1957                         break;
1958
1959                 case QLA2XXX_INI_MODE_ENABLED:
1960                         if (qla_tgt_mode_enabled(vha))
1961                                 action = TARGET_STILL_ACTIVE;
1962                         else {
1963                                 if (vha->hw->flags.fw_started)
1964                                         action = MODE_CHANGE_NO_ACTION;
1965                                 else
1966                                         action = MODE_CHANGE_ACCEPT;
1967                         }
1968                         break;
1969                 }
1970                 break;
1971
1972         case QLA2XXX_INI_MODE_ENABLED:
1973                 switch (op) {
1974                 case QLA2XXX_INI_MODE_ENABLED:
1975                         if (NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg) !=
1976                             vha->hw->flags.exchoffld_enabled)
1977                                 eo_toggle = 1;
1978                         if (((vha->ql2xiniexchg != vha->u_ql2xiniexchg) &&
1979                                 NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg)) ||
1980                             eo_toggle)
1981                                 action = MODE_CHANGE_ACCEPT;
1982                         else
1983                                 action = NO_ACTION;
1984                         break;
1985                 case QLA2XXX_INI_MODE_DUAL:
1986                 case QLA2XXX_INI_MODE_DISABLED:
1987                         action = MODE_CHANGE_ACCEPT;
1988                         break;
1989                 default:
1990                         action = MODE_CHANGE_NO_ACTION;
1991                         break;
1992                 }
1993                 break;
1994
1995         case QLA2XXX_INI_MODE_DUAL:
1996                 switch (op) {
1997                 case QLA2XXX_INI_MODE_DUAL:
1998                         if (qla_tgt_mode_enabled(vha) ||
1999                             qla_dual_mode_enabled(vha)) {
2000                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
2001                                         vha->u_ql2xiniexchg) !=
2002                                     vha->hw->flags.exchoffld_enabled)
2003                                         eo_toggle = 1;
2004
2005                                 if ((((vha->ql2xexchoffld +
2006                                        vha->ql2xiniexchg) !=
2007                                     (vha->u_ql2xiniexchg +
2008                                      vha->u_ql2xexchoffld)) &&
2009                                     NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
2010                                         vha->u_ql2xexchoffld)) || eo_toggle)
2011                                         action = MODE_CHANGE_ACCEPT;
2012                                 else
2013                                         action = NO_ACTION;
2014                         } else {
2015                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
2016                                         vha->u_ql2xiniexchg) !=
2017                                     vha->hw->flags.exchoffld_enabled)
2018                                         eo_toggle = 1;
2019
2020                                 if ((((vha->ql2xexchoffld + vha->ql2xiniexchg)
2021                                     != (vha->u_ql2xiniexchg +
2022                                         vha->u_ql2xexchoffld)) &&
2023                                     NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
2024                                         vha->u_ql2xexchoffld)) || eo_toggle)
2025                                         action = MODE_CHANGE_NO_ACTION;
2026                                 else
2027                                         action = NO_ACTION;
2028                         }
2029                         break;
2030
2031                 case QLA2XXX_INI_MODE_DISABLED:
2032                         if (qla_tgt_mode_enabled(vha) ||
2033                             qla_dual_mode_enabled(vha)) {
2034                                 /* turning off initiator mode */
2035                                 set_mode = 1;
2036                                 action = MODE_CHANGE_ACCEPT;
2037                         } else {
2038                                 action = MODE_CHANGE_NO_ACTION;
2039                         }
2040                         break;
2041
2042                 case QLA2XXX_INI_MODE_EXCLUSIVE:
2043                         if (qla_tgt_mode_enabled(vha) ||
2044                             qla_dual_mode_enabled(vha)) {
2045                                 set_mode = 1;
2046                                 action = MODE_CHANGE_ACCEPT;
2047                         } else {
2048                                 action = MODE_CHANGE_ACCEPT;
2049                         }
2050                         break;
2051
2052                 case QLA2XXX_INI_MODE_ENABLED:
2053                         if (qla_tgt_mode_enabled(vha) ||
2054                             qla_dual_mode_enabled(vha)) {
2055                                 action = TARGET_STILL_ACTIVE;
2056                         } else {
2057                                 action = MODE_CHANGE_ACCEPT;
2058                         }
2059                 }
2060                 break;
2061         }
2062
2063         switch (action) {
2064         case MODE_CHANGE_ACCEPT:
2065                 ql_log(ql_log_warn, vha, 0xffff,
2066                     "Mode change accepted. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
2067                     mode_to_str[vha->qlini_mode], mode_to_str[op],
2068                     vha->ql2xexchoffld, vha->u_ql2xexchoffld,
2069                     vha->ql2xiniexchg, vha->u_ql2xiniexchg);
2070
2071                 vha->qlini_mode = op;
2072                 vha->ql2xexchoffld = vha->u_ql2xexchoffld;
2073                 vha->ql2xiniexchg = vha->u_ql2xiniexchg;
2074                 if (set_mode)
2075                         qlt_set_mode(vha);
2076                 vha->flags.online = 1;
2077                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2078                 break;
2079
2080         case MODE_CHANGE_NO_ACTION:
2081                 ql_log(ql_log_warn, vha, 0xffff,
2082                     "Mode is set. No action taken. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
2083                     mode_to_str[vha->qlini_mode], mode_to_str[op],
2084                     vha->ql2xexchoffld, vha->u_ql2xexchoffld,
2085                     vha->ql2xiniexchg, vha->u_ql2xiniexchg);
2086                 vha->qlini_mode = op;
2087                 vha->ql2xexchoffld = vha->u_ql2xexchoffld;
2088                 vha->ql2xiniexchg = vha->u_ql2xiniexchg;
2089                 break;
2090
2091         case TARGET_STILL_ACTIVE:
2092                 ql_log(ql_log_warn, vha, 0xffff,
2093                     "Target Mode is active. Unable to change Mode.\n");
2094                 break;
2095
2096         case NO_ACTION:
2097         default:
2098                 ql_log(ql_log_warn, vha, 0xffff,
2099                     "Mode unchange. No action taken. %d|%d pct %d|%d.\n",
2100                     vha->qlini_mode, op,
2101                     vha->ql2xexchoffld, vha->u_ql2xexchoffld);
2102                 break;
2103         }
2104
2105         return rc;
2106 }
2107
2108 static ssize_t
2109 qlini_mode_store(struct device *dev, struct device_attribute *attr,
2110     const char *buf, size_t count)
2111 {
2112         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2113         int ini;
2114
2115         if (!buf)
2116                 return -EINVAL;
2117
2118         if (strncasecmp(QLA2XXX_INI_MODE_STR_EXCLUSIVE, buf,
2119                 strlen(QLA2XXX_INI_MODE_STR_EXCLUSIVE)) == 0)
2120                 ini = QLA2XXX_INI_MODE_EXCLUSIVE;
2121         else if (strncasecmp(QLA2XXX_INI_MODE_STR_DISABLED, buf,
2122                 strlen(QLA2XXX_INI_MODE_STR_DISABLED)) == 0)
2123                 ini = QLA2XXX_INI_MODE_DISABLED;
2124         else if (strncasecmp(QLA2XXX_INI_MODE_STR_ENABLED, buf,
2125                   strlen(QLA2XXX_INI_MODE_STR_ENABLED)) == 0)
2126                 ini = QLA2XXX_INI_MODE_ENABLED;
2127         else if (strncasecmp(QLA2XXX_INI_MODE_STR_DUAL, buf,
2128                 strlen(QLA2XXX_INI_MODE_STR_DUAL)) == 0)
2129                 ini = QLA2XXX_INI_MODE_DUAL;
2130         else
2131                 return -EINVAL;
2132
2133         qla_set_ini_mode(vha, ini);
2134         return strlen(buf);
2135 }
2136
2137 static ssize_t
2138 ql2xexchoffld_show(struct device *dev, struct device_attribute *attr,
2139     char *buf)
2140 {
2141         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2142         int len = 0;
2143
2144         len += scnprintf(buf + len, PAGE_SIZE-len,
2145                 "target exchange: new %d : current: %d\n\n",
2146                 vha->u_ql2xexchoffld, vha->ql2xexchoffld);
2147
2148         len += scnprintf(buf + len, PAGE_SIZE-len,
2149             "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2150             vha->host_no);
2151
2152         return len;
2153 }
2154
2155 static ssize_t
2156 ql2xexchoffld_store(struct device *dev, struct device_attribute *attr,
2157     const char *buf, size_t count)
2158 {
2159         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2160         int val = 0;
2161
2162         if (sscanf(buf, "%d", &val) != 1)
2163                 return -EINVAL;
2164
2165         if (val > FW_MAX_EXCHANGES_CNT)
2166                 val = FW_MAX_EXCHANGES_CNT;
2167         else if (val < 0)
2168                 val = 0;
2169
2170         vha->u_ql2xexchoffld = val;
2171         return strlen(buf);
2172 }
2173
2174 static ssize_t
2175 ql2xiniexchg_show(struct device *dev, struct device_attribute *attr,
2176     char *buf)
2177 {
2178         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2179         int len = 0;
2180
2181         len += scnprintf(buf + len, PAGE_SIZE-len,
2182                 "target exchange: new %d : current: %d\n\n",
2183                 vha->u_ql2xiniexchg, vha->ql2xiniexchg);
2184
2185         len += scnprintf(buf + len, PAGE_SIZE-len,
2186             "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2187             vha->host_no);
2188
2189         return len;
2190 }
2191
2192 static ssize_t
2193 ql2xiniexchg_store(struct device *dev, struct device_attribute *attr,
2194     const char *buf, size_t count)
2195 {
2196         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2197         int val = 0;
2198
2199         if (sscanf(buf, "%d", &val) != 1)
2200                 return -EINVAL;
2201
2202         if (val > FW_MAX_EXCHANGES_CNT)
2203                 val = FW_MAX_EXCHANGES_CNT;
2204         else if (val < 0)
2205                 val = 0;
2206
2207         vha->u_ql2xiniexchg = val;
2208         return strlen(buf);
2209 }
2210
2211 static ssize_t
2212 qla2x00_dif_bundle_statistics_show(struct device *dev,
2213     struct device_attribute *attr, char *buf)
2214 {
2215         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2216         struct qla_hw_data *ha = vha->hw;
2217
2218         return scnprintf(buf, PAGE_SIZE,
2219             "cross=%llu read=%llu write=%llu kalloc=%llu dma_alloc=%llu unusable=%u\n",
2220             ha->dif_bundle_crossed_pages, ha->dif_bundle_reads,
2221             ha->dif_bundle_writes, ha->dif_bundle_kallocs,
2222             ha->dif_bundle_dma_allocs, ha->pool.unusable.count);
2223 }
2224
2225 static ssize_t
2226 qla2x00_fw_attr_show(struct device *dev,
2227     struct device_attribute *attr, char *buf)
2228 {
2229         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2230         struct qla_hw_data *ha = vha->hw;
2231
2232         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
2233                 return scnprintf(buf, PAGE_SIZE, "\n");
2234
2235         return scnprintf(buf, PAGE_SIZE, "%llx\n",
2236             (uint64_t)ha->fw_attributes_ext[1] << 48 |
2237             (uint64_t)ha->fw_attributes_ext[0] << 32 |
2238             (uint64_t)ha->fw_attributes_h << 16 |
2239             (uint64_t)ha->fw_attributes);
2240 }
2241
2242 static ssize_t
2243 qla2x00_port_no_show(struct device *dev, struct device_attribute *attr,
2244     char *buf)
2245 {
2246         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2247
2248         return scnprintf(buf, PAGE_SIZE, "%u\n", vha->hw->port_no);
2249 }
2250
2251 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_driver_version_show, NULL);
2252 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
2253 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
2254 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
2255 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
2256 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
2257 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
2258 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
2259 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
2260 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
2261 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
2262                    qla2x00_zio_timer_store);
2263 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
2264                    qla2x00_beacon_store);
2265 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
2266                    qla2x00_optrom_bios_version_show, NULL);
2267 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
2268                    qla2x00_optrom_efi_version_show, NULL);
2269 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
2270                    qla2x00_optrom_fcode_version_show, NULL);
2271 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
2272                    NULL);
2273 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
2274     qla2x00_optrom_gold_fw_version_show, NULL);
2275 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
2276                    NULL);
2277 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
2278                    NULL);
2279 static DEVICE_ATTR(serdes_version, 0444, qla2x00_serdes_version_show, NULL);
2280 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
2281 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
2282 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
2283                    NULL);
2284 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
2285 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
2286                    qla2x00_vn_port_mac_address_show, NULL);
2287 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
2288 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
2289 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
2290 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
2291 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
2292 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
2293 static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
2294                    qla2x00_allow_cna_fw_dump_show,
2295                    qla2x00_allow_cna_fw_dump_store);
2296 static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL);
2297 static DEVICE_ATTR(min_supported_speed, 0444,
2298                    qla2x00_min_supported_speed_show, NULL);
2299 static DEVICE_ATTR(max_supported_speed, 0444,
2300                    qla2x00_max_supported_speed_show, NULL);
2301 static DEVICE_ATTR(zio_threshold, 0644,
2302     qla_zio_threshold_show,
2303     qla_zio_threshold_store);
2304 static DEVICE_ATTR_RW(qlini_mode);
2305 static DEVICE_ATTR_RW(ql2xexchoffld);
2306 static DEVICE_ATTR_RW(ql2xiniexchg);
2307 static DEVICE_ATTR(dif_bundle_statistics, 0444,
2308     qla2x00_dif_bundle_statistics_show, NULL);
2309 static DEVICE_ATTR(port_speed, 0644, qla2x00_port_speed_show,
2310     qla2x00_port_speed_store);
2311 static DEVICE_ATTR(port_no, 0444, qla2x00_port_no_show, NULL);
2312 static DEVICE_ATTR(fw_attr, 0444, qla2x00_fw_attr_show, NULL);
2313
2314
2315 struct device_attribute *qla2x00_host_attrs[] = {
2316         &dev_attr_driver_version,
2317         &dev_attr_fw_version,
2318         &dev_attr_serial_num,
2319         &dev_attr_isp_name,
2320         &dev_attr_isp_id,
2321         &dev_attr_model_name,
2322         &dev_attr_model_desc,
2323         &dev_attr_pci_info,
2324         &dev_attr_link_state,
2325         &dev_attr_zio,
2326         &dev_attr_zio_timer,
2327         &dev_attr_beacon,
2328         &dev_attr_optrom_bios_version,
2329         &dev_attr_optrom_efi_version,
2330         &dev_attr_optrom_fcode_version,
2331         &dev_attr_optrom_fw_version,
2332         &dev_attr_84xx_fw_version,
2333         &dev_attr_total_isp_aborts,
2334         &dev_attr_serdes_version,
2335         &dev_attr_mpi_version,
2336         &dev_attr_phy_version,
2337         &dev_attr_flash_block_size,
2338         &dev_attr_vlan_id,
2339         &dev_attr_vn_port_mac_address,
2340         &dev_attr_fabric_param,
2341         &dev_attr_fw_state,
2342         &dev_attr_optrom_gold_fw_version,
2343         &dev_attr_thermal_temp,
2344         &dev_attr_diag_requests,
2345         &dev_attr_diag_megabytes,
2346         &dev_attr_fw_dump_size,
2347         &dev_attr_allow_cna_fw_dump,
2348         &dev_attr_pep_version,
2349         &dev_attr_min_supported_speed,
2350         &dev_attr_max_supported_speed,
2351         &dev_attr_zio_threshold,
2352         &dev_attr_dif_bundle_statistics,
2353         &dev_attr_port_speed,
2354         &dev_attr_port_no,
2355         &dev_attr_fw_attr,
2356         NULL, /* reserve for qlini_mode */
2357         NULL, /* reserve for ql2xiniexchg */
2358         NULL, /* reserve for ql2xexchoffld */
2359         NULL,
2360 };
2361
2362 void qla_insert_tgt_attrs(void)
2363 {
2364         struct device_attribute **attr;
2365
2366         /* advance to empty slot */
2367         for (attr = &qla2x00_host_attrs[0]; *attr; ++attr)
2368                 continue;
2369
2370         *attr = &dev_attr_qlini_mode;
2371         attr++;
2372         *attr = &dev_attr_ql2xiniexchg;
2373         attr++;
2374         *attr = &dev_attr_ql2xexchoffld;
2375 }
2376
2377 /* Host attributes. */
2378
2379 static void
2380 qla2x00_get_host_port_id(struct Scsi_Host *shost)
2381 {
2382         scsi_qla_host_t *vha = shost_priv(shost);
2383
2384         fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
2385             vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
2386 }
2387
2388 static void
2389 qla2x00_get_host_speed(struct Scsi_Host *shost)
2390 {
2391         scsi_qla_host_t *vha = shost_priv(shost);
2392         u32 speed;
2393
2394         if (IS_QLAFX00(vha->hw)) {
2395                 qlafx00_get_host_speed(shost);
2396                 return;
2397         }
2398
2399         switch (vha->hw->link_data_rate) {
2400         case PORT_SPEED_1GB:
2401                 speed = FC_PORTSPEED_1GBIT;
2402                 break;
2403         case PORT_SPEED_2GB:
2404                 speed = FC_PORTSPEED_2GBIT;
2405                 break;
2406         case PORT_SPEED_4GB:
2407                 speed = FC_PORTSPEED_4GBIT;
2408                 break;
2409         case PORT_SPEED_8GB:
2410                 speed = FC_PORTSPEED_8GBIT;
2411                 break;
2412         case PORT_SPEED_10GB:
2413                 speed = FC_PORTSPEED_10GBIT;
2414                 break;
2415         case PORT_SPEED_16GB:
2416                 speed = FC_PORTSPEED_16GBIT;
2417                 break;
2418         case PORT_SPEED_32GB:
2419                 speed = FC_PORTSPEED_32GBIT;
2420                 break;
2421         case PORT_SPEED_64GB:
2422                 speed = FC_PORTSPEED_64GBIT;
2423                 break;
2424         default:
2425                 speed = FC_PORTSPEED_UNKNOWN;
2426                 break;
2427         }
2428
2429         fc_host_speed(shost) = speed;
2430 }
2431
2432 static void
2433 qla2x00_get_host_port_type(struct Scsi_Host *shost)
2434 {
2435         scsi_qla_host_t *vha = shost_priv(shost);
2436         uint32_t port_type;
2437
2438         if (vha->vp_idx) {
2439                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
2440                 return;
2441         }
2442         switch (vha->hw->current_topology) {
2443         case ISP_CFG_NL:
2444                 port_type = FC_PORTTYPE_LPORT;
2445                 break;
2446         case ISP_CFG_FL:
2447                 port_type = FC_PORTTYPE_NLPORT;
2448                 break;
2449         case ISP_CFG_N:
2450                 port_type = FC_PORTTYPE_PTP;
2451                 break;
2452         case ISP_CFG_F:
2453                 port_type = FC_PORTTYPE_NPORT;
2454                 break;
2455         default:
2456                 port_type = FC_PORTTYPE_UNKNOWN;
2457                 break;
2458         }
2459
2460         fc_host_port_type(shost) = port_type;
2461 }
2462
2463 static void
2464 qla2x00_get_starget_node_name(struct scsi_target *starget)
2465 {
2466         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2467         scsi_qla_host_t *vha = shost_priv(host);
2468         fc_port_t *fcport;
2469         u64 node_name = 0;
2470
2471         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2472                 if (fcport->rport &&
2473                     starget->id == fcport->rport->scsi_target_id) {
2474                         node_name = wwn_to_u64(fcport->node_name);
2475                         break;
2476                 }
2477         }
2478
2479         fc_starget_node_name(starget) = node_name;
2480 }
2481
2482 static void
2483 qla2x00_get_starget_port_name(struct scsi_target *starget)
2484 {
2485         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2486         scsi_qla_host_t *vha = shost_priv(host);
2487         fc_port_t *fcport;
2488         u64 port_name = 0;
2489
2490         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2491                 if (fcport->rport &&
2492                     starget->id == fcport->rport->scsi_target_id) {
2493                         port_name = wwn_to_u64(fcport->port_name);
2494                         break;
2495                 }
2496         }
2497
2498         fc_starget_port_name(starget) = port_name;
2499 }
2500
2501 static void
2502 qla2x00_get_starget_port_id(struct scsi_target *starget)
2503 {
2504         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2505         scsi_qla_host_t *vha = shost_priv(host);
2506         fc_port_t *fcport;
2507         uint32_t port_id = ~0U;
2508
2509         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2510                 if (fcport->rport &&
2511                     starget->id == fcport->rport->scsi_target_id) {
2512                         port_id = fcport->d_id.b.domain << 16 |
2513                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2514                         break;
2515                 }
2516         }
2517
2518         fc_starget_port_id(starget) = port_id;
2519 }
2520
2521 static inline void
2522 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
2523 {
2524         rport->dev_loss_tmo = timeout ? timeout : 1;
2525 }
2526
2527 static void
2528 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
2529 {
2530         struct Scsi_Host *host = rport_to_shost(rport);
2531         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2532         unsigned long flags;
2533
2534         if (!fcport)
2535                 return;
2536
2537         /* Now that the rport has been deleted, set the fcport state to
2538            FCS_DEVICE_DEAD */
2539         qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
2540
2541         /*
2542          * Transport has effectively 'deleted' the rport, clear
2543          * all local references.
2544          */
2545         spin_lock_irqsave(host->host_lock, flags);
2546         fcport->rport = fcport->drport = NULL;
2547         *((fc_port_t **)rport->dd_data) = NULL;
2548         spin_unlock_irqrestore(host->host_lock, flags);
2549
2550         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2551                 return;
2552
2553         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2554                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
2555                 return;
2556         }
2557 }
2558
2559 static void
2560 qla2x00_terminate_rport_io(struct fc_rport *rport)
2561 {
2562         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2563
2564         if (!fcport)
2565                 return;
2566
2567         if (test_bit(UNLOADING, &fcport->vha->dpc_flags))
2568                 return;
2569
2570         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2571                 return;
2572
2573         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2574                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
2575                 return;
2576         }
2577         /*
2578          * At this point all fcport's software-states are cleared.  Perform any
2579          * final cleanup of firmware resources (PCBs and XCBs).
2580          */
2581         if (fcport->loop_id != FC_NO_LOOP_ID) {
2582                 if (IS_FWI2_CAPABLE(fcport->vha->hw))
2583                         fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
2584                             fcport->loop_id, fcport->d_id.b.domain,
2585                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
2586                 else
2587                         qla2x00_port_logout(fcport->vha, fcport);
2588         }
2589 }
2590
2591 static int
2592 qla2x00_issue_lip(struct Scsi_Host *shost)
2593 {
2594         scsi_qla_host_t *vha = shost_priv(shost);
2595
2596         if (IS_QLAFX00(vha->hw))
2597                 return 0;
2598
2599         qla2x00_loop_reset(vha);
2600         return 0;
2601 }
2602
2603 static struct fc_host_statistics *
2604 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
2605 {
2606         scsi_qla_host_t *vha = shost_priv(shost);
2607         struct qla_hw_data *ha = vha->hw;
2608         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2609         int rval;
2610         struct link_statistics *stats;
2611         dma_addr_t stats_dma;
2612         struct fc_host_statistics *p = &vha->fc_host_stat;
2613
2614         memset(p, -1, sizeof(*p));
2615
2616         if (IS_QLAFX00(vha->hw))
2617                 goto done;
2618
2619         if (test_bit(UNLOADING, &vha->dpc_flags))
2620                 goto done;
2621
2622         if (unlikely(pci_channel_offline(ha->pdev)))
2623                 goto done;
2624
2625         if (qla2x00_chip_is_down(vha))
2626                 goto done;
2627
2628         stats = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stats), &stats_dma,
2629                                    GFP_KERNEL);
2630         if (!stats) {
2631                 ql_log(ql_log_warn, vha, 0x707d,
2632                     "Failed to allocate memory for stats.\n");
2633                 goto done;
2634         }
2635
2636         rval = QLA_FUNCTION_FAILED;
2637         if (IS_FWI2_CAPABLE(ha)) {
2638                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0);
2639         } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
2640             !ha->dpc_active) {
2641                 /* Must be in a 'READY' state for statistics retrieval. */
2642                 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
2643                                                 stats, stats_dma);
2644         }
2645
2646         if (rval != QLA_SUCCESS)
2647                 goto done_free;
2648
2649         p->link_failure_count = stats->link_fail_cnt;
2650         p->loss_of_sync_count = stats->loss_sync_cnt;
2651         p->loss_of_signal_count = stats->loss_sig_cnt;
2652         p->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
2653         p->invalid_tx_word_count = stats->inval_xmit_word_cnt;
2654         p->invalid_crc_count = stats->inval_crc_cnt;
2655         if (IS_FWI2_CAPABLE(ha)) {
2656                 p->lip_count = stats->lip_cnt;
2657                 p->tx_frames = stats->tx_frames;
2658                 p->rx_frames = stats->rx_frames;
2659                 p->dumped_frames = stats->discarded_frames;
2660                 p->nos_count = stats->nos_rcvd;
2661                 p->error_frames =
2662                         stats->dropped_frames + stats->discarded_frames;
2663                 p->rx_words = vha->qla_stats.input_bytes;
2664                 p->tx_words = vha->qla_stats.output_bytes;
2665         }
2666         p->fcp_control_requests = vha->qla_stats.control_requests;
2667         p->fcp_input_requests = vha->qla_stats.input_requests;
2668         p->fcp_output_requests = vha->qla_stats.output_requests;
2669         p->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
2670         p->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
2671         p->seconds_since_last_reset =
2672                 get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
2673         do_div(p->seconds_since_last_reset, HZ);
2674
2675 done_free:
2676         dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics),
2677             stats, stats_dma);
2678 done:
2679         return p;
2680 }
2681
2682 static void
2683 qla2x00_reset_host_stats(struct Scsi_Host *shost)
2684 {
2685         scsi_qla_host_t *vha = shost_priv(shost);
2686         struct qla_hw_data *ha = vha->hw;
2687         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2688         struct link_statistics *stats;
2689         dma_addr_t stats_dma;
2690
2691         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2692         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2693
2694         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2695
2696         if (IS_FWI2_CAPABLE(ha)) {
2697                 stats = dma_alloc_coherent(&ha->pdev->dev,
2698                     sizeof(*stats), &stats_dma, GFP_KERNEL);
2699                 if (!stats) {
2700                         ql_log(ql_log_warn, vha, 0x70d7,
2701                             "Failed to allocate memory for stats.\n");
2702                         return;
2703                 }
2704
2705                 /* reset firmware statistics */
2706                 qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0);
2707
2708                 dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
2709                     stats, stats_dma);
2710         }
2711 }
2712
2713 static void
2714 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
2715 {
2716         scsi_qla_host_t *vha = shost_priv(shost);
2717
2718         qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
2719             sizeof(fc_host_symbolic_name(shost)));
2720 }
2721
2722 static void
2723 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
2724 {
2725         scsi_qla_host_t *vha = shost_priv(shost);
2726
2727         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
2728 }
2729
2730 static void
2731 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
2732 {
2733         scsi_qla_host_t *vha = shost_priv(shost);
2734         static const uint8_t node_name[WWN_SIZE] = {
2735                 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
2736         };
2737         u64 fabric_name = wwn_to_u64(node_name);
2738
2739         if (vha->device_flags & SWITCH_FOUND)
2740                 fabric_name = wwn_to_u64(vha->fabric_node_name);
2741
2742         fc_host_fabric_name(shost) = fabric_name;
2743 }
2744
2745 static void
2746 qla2x00_get_host_port_state(struct Scsi_Host *shost)
2747 {
2748         scsi_qla_host_t *vha = shost_priv(shost);
2749         struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
2750
2751         if (!base_vha->flags.online) {
2752                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
2753                 return;
2754         }
2755
2756         switch (atomic_read(&base_vha->loop_state)) {
2757         case LOOP_UPDATE:
2758                 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
2759                 break;
2760         case LOOP_DOWN:
2761                 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
2762                         fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
2763                 else
2764                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
2765                 break;
2766         case LOOP_DEAD:
2767                 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
2768                 break;
2769         case LOOP_READY:
2770                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
2771                 break;
2772         default:
2773                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
2774                 break;
2775         }
2776 }
2777
2778 static int
2779 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
2780 {
2781         int     ret = 0;
2782         uint8_t qos = 0;
2783         scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
2784         scsi_qla_host_t *vha = NULL;
2785         struct qla_hw_data *ha = base_vha->hw;
2786         int     cnt;
2787         struct req_que *req = ha->req_q_map[0];
2788         struct qla_qpair *qpair;
2789
2790         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
2791         if (ret) {
2792                 ql_log(ql_log_warn, vha, 0x707e,
2793                     "Vport sanity check failed, status %x\n", ret);
2794                 return (ret);
2795         }
2796
2797         vha = qla24xx_create_vhost(fc_vport);
2798         if (vha == NULL) {
2799                 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
2800                 return FC_VPORT_FAILED;
2801         }
2802         if (disable) {
2803                 atomic_set(&vha->vp_state, VP_OFFLINE);
2804                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
2805         } else
2806                 atomic_set(&vha->vp_state, VP_FAILED);
2807
2808         /* ready to create vport */
2809         ql_log(ql_log_info, vha, 0x7080,
2810             "VP entry id %d assigned.\n", vha->vp_idx);
2811
2812         /* initialized vport states */
2813         atomic_set(&vha->loop_state, LOOP_DOWN);
2814         vha->vp_err_state = VP_ERR_PORTDWN;
2815         vha->vp_prev_err_state = VP_ERR_UNKWN;
2816         /* Check if physical ha port is Up */
2817         if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
2818             atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
2819                 /* Don't retry or attempt login of this virtual port */
2820                 ql_dbg(ql_dbg_user, vha, 0x7081,
2821                     "Vport loop state is not UP.\n");
2822                 atomic_set(&vha->loop_state, LOOP_DEAD);
2823                 if (!disable)
2824                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
2825         }
2826
2827         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2828                 if (ha->fw_attributes & BIT_4) {
2829                         int prot = 0, guard;
2830
2831                         vha->flags.difdix_supported = 1;
2832                         ql_dbg(ql_dbg_user, vha, 0x7082,
2833                             "Registered for DIF/DIX type 1 and 3 protection.\n");
2834                         if (ql2xenabledif == 1)
2835                                 prot = SHOST_DIX_TYPE0_PROTECTION;
2836                         scsi_host_set_prot(vha->host,
2837                             prot | SHOST_DIF_TYPE1_PROTECTION
2838                             | SHOST_DIF_TYPE2_PROTECTION
2839                             | SHOST_DIF_TYPE3_PROTECTION
2840                             | SHOST_DIX_TYPE1_PROTECTION
2841                             | SHOST_DIX_TYPE2_PROTECTION
2842                             | SHOST_DIX_TYPE3_PROTECTION);
2843
2844                         guard = SHOST_DIX_GUARD_CRC;
2845
2846                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
2847                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2848                                 guard |= SHOST_DIX_GUARD_IP;
2849
2850                         scsi_host_set_guard(vha->host, guard);
2851                 } else
2852                         vha->flags.difdix_supported = 0;
2853         }
2854
2855         if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
2856                                    &ha->pdev->dev)) {
2857                 ql_dbg(ql_dbg_user, vha, 0x7083,
2858                     "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
2859                 goto vport_create_failed_2;
2860         }
2861
2862         /* initialize attributes */
2863         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2864         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2865         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2866         fc_host_supported_classes(vha->host) =
2867                 fc_host_supported_classes(base_vha->host);
2868         fc_host_supported_speeds(vha->host) =
2869                 fc_host_supported_speeds(base_vha->host);
2870
2871         qlt_vport_create(vha, ha);
2872         qla24xx_vport_disable(fc_vport, disable);
2873
2874         if (!ql2xmqsupport || !ha->npiv_info)
2875                 goto vport_queue;
2876
2877         /* Create a request queue in QoS mode for the vport */
2878         for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
2879                 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
2880                         && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
2881                                         8) == 0) {
2882                         qos = ha->npiv_info[cnt].q_qos;
2883                         break;
2884                 }
2885         }
2886
2887         if (qos) {
2888                 qpair = qla2xxx_create_qpair(vha, qos, vha->vp_idx, true);
2889                 if (!qpair)
2890                         ql_log(ql_log_warn, vha, 0x7084,
2891                             "Can't create qpair for VP[%d]\n",
2892                             vha->vp_idx);
2893                 else {
2894                         ql_dbg(ql_dbg_multiq, vha, 0xc001,
2895                             "Queue pair: %d Qos: %d) created for VP[%d]\n",
2896                             qpair->id, qos, vha->vp_idx);
2897                         ql_dbg(ql_dbg_user, vha, 0x7085,
2898                             "Queue Pair: %d Qos: %d) created for VP[%d]\n",
2899                             qpair->id, qos, vha->vp_idx);
2900                         req = qpair->req;
2901                         vha->qpair = qpair;
2902                 }
2903         }
2904
2905 vport_queue:
2906         vha->req = req;
2907         return 0;
2908
2909 vport_create_failed_2:
2910         qla24xx_disable_vp(vha);
2911         qla24xx_deallocate_vp_id(vha);
2912         scsi_host_put(vha->host);
2913         return FC_VPORT_FAILED;
2914 }
2915
2916 static int
2917 qla24xx_vport_delete(struct fc_vport *fc_vport)
2918 {
2919         scsi_qla_host_t *vha = fc_vport->dd_data;
2920         struct qla_hw_data *ha = vha->hw;
2921         uint16_t id = vha->vp_idx;
2922
2923         set_bit(VPORT_DELETE, &vha->dpc_flags);
2924
2925         while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
2926             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
2927                 msleep(1000);
2928
2929         qla_nvme_delete(vha);
2930
2931         qla24xx_disable_vp(vha);
2932         qla2x00_wait_for_sess_deletion(vha);
2933
2934         vha->flags.delete_progress = 1;
2935
2936         qlt_remove_target(ha, vha);
2937
2938         fc_remove_host(vha->host);
2939
2940         scsi_remove_host(vha->host);
2941
2942         /* Allow timer to run to drain queued items, when removing vp */
2943         qla24xx_deallocate_vp_id(vha);
2944
2945         if (vha->timer_active) {
2946                 qla2x00_vp_stop_timer(vha);
2947                 ql_dbg(ql_dbg_user, vha, 0x7086,
2948                     "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2949         }
2950
2951         qla2x00_free_fcports(vha);
2952
2953         mutex_lock(&ha->vport_lock);
2954         ha->cur_vport_count--;
2955         clear_bit(vha->vp_idx, ha->vp_idx_map);
2956         mutex_unlock(&ha->vport_lock);
2957
2958         dma_free_coherent(&ha->pdev->dev, vha->gnl.size, vha->gnl.l,
2959             vha->gnl.ldma);
2960
2961         vha->gnl.l = NULL;
2962
2963         vfree(vha->scan.l);
2964
2965         if (vha->qpair && vha->qpair->vp_idx == vha->vp_idx) {
2966                 if (qla2xxx_delete_qpair(vha, vha->qpair) != QLA_SUCCESS)
2967                         ql_log(ql_log_warn, vha, 0x7087,
2968                             "Queue Pair delete failed.\n");
2969         }
2970
2971         ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2972         scsi_host_put(vha->host);
2973         return 0;
2974 }
2975
2976 static int
2977 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2978 {
2979         scsi_qla_host_t *vha = fc_vport->dd_data;
2980
2981         if (disable)
2982                 qla24xx_disable_vp(vha);
2983         else
2984                 qla24xx_enable_vp(vha);
2985
2986         return 0;
2987 }
2988
2989 struct fc_function_template qla2xxx_transport_functions = {
2990
2991         .show_host_node_name = 1,
2992         .show_host_port_name = 1,
2993         .show_host_supported_classes = 1,
2994         .show_host_supported_speeds = 1,
2995
2996         .get_host_port_id = qla2x00_get_host_port_id,
2997         .show_host_port_id = 1,
2998         .get_host_speed = qla2x00_get_host_speed,
2999         .show_host_speed = 1,
3000         .get_host_port_type = qla2x00_get_host_port_type,
3001         .show_host_port_type = 1,
3002         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
3003         .show_host_symbolic_name = 1,
3004         .set_host_system_hostname = qla2x00_set_host_system_hostname,
3005         .show_host_system_hostname = 1,
3006         .get_host_fabric_name = qla2x00_get_host_fabric_name,
3007         .show_host_fabric_name = 1,
3008         .get_host_port_state = qla2x00_get_host_port_state,
3009         .show_host_port_state = 1,
3010
3011         .dd_fcrport_size = sizeof(struct fc_port *),
3012         .show_rport_supported_classes = 1,
3013
3014         .get_starget_node_name = qla2x00_get_starget_node_name,
3015         .show_starget_node_name = 1,
3016         .get_starget_port_name = qla2x00_get_starget_port_name,
3017         .show_starget_port_name = 1,
3018         .get_starget_port_id  = qla2x00_get_starget_port_id,
3019         .show_starget_port_id = 1,
3020
3021         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
3022         .show_rport_dev_loss_tmo = 1,
3023
3024         .issue_fc_host_lip = qla2x00_issue_lip,
3025         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
3026         .terminate_rport_io = qla2x00_terminate_rport_io,
3027         .get_fc_host_stats = qla2x00_get_fc_host_stats,
3028         .reset_fc_host_stats = qla2x00_reset_host_stats,
3029
3030         .vport_create = qla24xx_vport_create,
3031         .vport_disable = qla24xx_vport_disable,
3032         .vport_delete = qla24xx_vport_delete,
3033         .bsg_request = qla24xx_bsg_request,
3034         .bsg_timeout = qla24xx_bsg_timeout,
3035 };
3036
3037 struct fc_function_template qla2xxx_transport_vport_functions = {
3038
3039         .show_host_node_name = 1,
3040         .show_host_port_name = 1,
3041         .show_host_supported_classes = 1,
3042
3043         .get_host_port_id = qla2x00_get_host_port_id,
3044         .show_host_port_id = 1,
3045         .get_host_speed = qla2x00_get_host_speed,
3046         .show_host_speed = 1,
3047         .get_host_port_type = qla2x00_get_host_port_type,
3048         .show_host_port_type = 1,
3049         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
3050         .show_host_symbolic_name = 1,
3051         .set_host_system_hostname = qla2x00_set_host_system_hostname,
3052         .show_host_system_hostname = 1,
3053         .get_host_fabric_name = qla2x00_get_host_fabric_name,
3054         .show_host_fabric_name = 1,
3055         .get_host_port_state = qla2x00_get_host_port_state,
3056         .show_host_port_state = 1,
3057
3058         .dd_fcrport_size = sizeof(struct fc_port *),
3059         .show_rport_supported_classes = 1,
3060
3061         .get_starget_node_name = qla2x00_get_starget_node_name,
3062         .show_starget_node_name = 1,
3063         .get_starget_port_name = qla2x00_get_starget_port_name,
3064         .show_starget_port_name = 1,
3065         .get_starget_port_id  = qla2x00_get_starget_port_id,
3066         .show_starget_port_id = 1,
3067
3068         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
3069         .show_rport_dev_loss_tmo = 1,
3070
3071         .issue_fc_host_lip = qla2x00_issue_lip,
3072         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
3073         .terminate_rport_io = qla2x00_terminate_rport_io,
3074         .get_fc_host_stats = qla2x00_get_fc_host_stats,
3075         .reset_fc_host_stats = qla2x00_reset_host_stats,
3076
3077         .bsg_request = qla24xx_bsg_request,
3078         .bsg_timeout = qla24xx_bsg_timeout,
3079 };
3080
3081 void
3082 qla2x00_init_host_attr(scsi_qla_host_t *vha)
3083 {
3084         struct qla_hw_data *ha = vha->hw;
3085         u32 speeds = FC_PORTSPEED_UNKNOWN;
3086
3087         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
3088         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
3089         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
3090         fc_host_supported_classes(vha->host) = ha->base_qpair->enable_class_2 ?
3091                         (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
3092         fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
3093         fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
3094
3095         if (IS_CNA_CAPABLE(ha))
3096                 speeds = FC_PORTSPEED_10GBIT;
3097         else if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
3098                 if (ha->max_supported_speed == 2) {
3099                         if (ha->min_supported_speed <= 6)
3100                                 speeds |= FC_PORTSPEED_64GBIT;
3101                 }
3102                 if (ha->max_supported_speed == 2 ||
3103                     ha->max_supported_speed == 1) {
3104                         if (ha->min_supported_speed <= 5)
3105                                 speeds |= FC_PORTSPEED_32GBIT;
3106                 }
3107                 if (ha->max_supported_speed == 2 ||
3108                     ha->max_supported_speed == 1 ||
3109                     ha->max_supported_speed == 0) {
3110                         if (ha->min_supported_speed <= 4)
3111                                 speeds |= FC_PORTSPEED_16GBIT;
3112                 }
3113                 if (ha->max_supported_speed == 1 ||
3114                     ha->max_supported_speed == 0) {
3115                         if (ha->min_supported_speed <= 3)
3116                                 speeds |= FC_PORTSPEED_8GBIT;
3117                 }
3118                 if (ha->max_supported_speed == 0) {
3119                         if (ha->min_supported_speed <= 2)
3120                                 speeds |= FC_PORTSPEED_4GBIT;
3121                 }
3122         } else if (IS_QLA2031(ha))
3123                 speeds = FC_PORTSPEED_16GBIT|FC_PORTSPEED_8GBIT|
3124                         FC_PORTSPEED_4GBIT;
3125         else if (IS_QLA25XX(ha) || IS_QLAFX00(ha))
3126                 speeds = FC_PORTSPEED_8GBIT|FC_PORTSPEED_4GBIT|
3127                         FC_PORTSPEED_2GBIT|FC_PORTSPEED_1GBIT;
3128         else if (IS_QLA24XX_TYPE(ha))
3129                 speeds = FC_PORTSPEED_4GBIT|FC_PORTSPEED_2GBIT|
3130                         FC_PORTSPEED_1GBIT;
3131         else if (IS_QLA23XX(ha))
3132                 speeds = FC_PORTSPEED_2GBIT|FC_PORTSPEED_1GBIT;
3133         else
3134                 speeds = FC_PORTSPEED_1GBIT;
3135
3136         fc_host_supported_speeds(vha->host) = speeds;
3137 }