drivers/scsi/qla2xxx/qla_attr.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * QLogic Fibre Channel HBA Driver
   4  * Copyright (c)  2003-2014 QLogic Corporation
   5  */
   6 #include "qla_def.h"
   7 #include "qla_target.h"
   8
   9 #include <linux/kthread.h>
  10 #include <linux/vmalloc.h>
  11 #include <linux/slab.h>
  12 #include <linux/delay.h>
  13
  14 static int qla24xx_vport_disable(struct fc_vport *, bool);
  15
  16 /* SYSFS attributes --------------------------------------------------------- */
  17
  18 static ssize_t
  19 qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj,
  20                            struct bin_attribute *bin_attr,
  21                            char *buf, loff_t off, size_t count)
  22 {
  23         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
  24             struct device, kobj)));
  25         struct qla_hw_data *ha = vha->hw;
  26         int rval = 0;
  27
  28         if (!(ha->fw_dump_reading || ha->mctp_dump_reading ||
  29               ha->mpi_fw_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->mpi_fw_dumped && ha->mpi_fw_dump_reading) {
  46                 rval = memory_read_from_buffer(buf, count, &off,
  47                                                ha->mpi_fw_dump,
  48                                                ha->mpi_fw_dump_len);
  49         } else if (ha->fw_dump_reading) {
  50                 rval = memory_read_from_buffer(buf, count, &off, ha->fw_dump,
  51                                         ha->fw_dump_len);
  52         } else {
  53                 rval = 0;
  54         }
  55         mutex_unlock(&ha->optrom_mutex);
  56         return rval;
  57 }
  58
  59 static ssize_t
  60 qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
  61                             struct bin_attribute *bin_attr,
  62                             char *buf, loff_t off, size_t count)
  63 {
  64         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
  65             struct device, kobj)));
  66         struct qla_hw_data *ha = vha->hw;
  67         int reading;
  68
  69         if (off != 0)
  70                 return (0);
  71
  72         reading = simple_strtol(buf, NULL, 10);
  73         switch (reading) {
  74         case 0:
  75                 if (!ha->fw_dump_reading)
  76                         break;
  77
  78                 ql_log(ql_log_info, vha, 0x705d,
  79                     "Firmware dump cleared on (%ld).\n", vha->host_no);
  80
  81                 if (IS_P3P_TYPE(ha)) {
  82                         qla82xx_md_free(vha);
  83                         qla82xx_md_prep(vha);
  84                 }
  85                 ha->fw_dump_reading = 0;
  86                 ha->fw_dumped = false;
  87                 break;
  88         case 1:
  89                 if (ha->fw_dumped && !ha->fw_dump_reading) {
  90                         ha->fw_dump_reading = 1;
  91
  92                         ql_log(ql_log_info, vha, 0x705e,
  93                             "Raw firmware dump ready for read on (%ld).\n",
  94                             vha->host_no);
  95                 }
  96                 break;
  97         case 2:
  98                 qla2x00_alloc_fw_dump(vha);
  99                 break;
 100         case 3:
 101                 if (IS_QLA82XX(ha)) {
 102                         qla82xx_idc_lock(ha);
 103                         qla82xx_set_reset_owner(vha);
 104                         qla82xx_idc_unlock(ha);
 105                 } else if (IS_QLA8044(ha)) {
 106                         qla8044_idc_lock(ha);
 107                         qla82xx_set_reset_owner(vha);
 108                         qla8044_idc_unlock(ha);
 109                 } else {
 110                         qla2x00_system_error(vha);
 111                 }
 112                 break;
 113         case 4:
 114                 if (IS_P3P_TYPE(ha)) {
 115                         if (ha->md_tmplt_hdr)
 116                                 ql_dbg(ql_dbg_user, vha, 0x705b,
 117                                     "MiniDump supported with this firmware.\n");
 118                         else
 119                                 ql_dbg(ql_dbg_user, vha, 0x709d,
 120                                     "MiniDump not supported with this firmware.\n");
 121                 }
 122                 break;
 123         case 5:
 124                 if (IS_P3P_TYPE(ha))
 125                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 126                 break;
 127         case 6:
 128                 if (!ha->mctp_dump_reading)
 129                         break;
 130                 ql_log(ql_log_info, vha, 0x70c1,
 131                     "MCTP dump cleared on (%ld).\n", vha->host_no);
 132                 ha->mctp_dump_reading = 0;
 133                 ha->mctp_dumped = 0;
 134                 break;
 135         case 7:
 136                 if (ha->mctp_dumped && !ha->mctp_dump_reading) {
 137                         ha->mctp_dump_reading = 1;
 138                         ql_log(ql_log_info, vha, 0x70c2,
 139                             "Raw mctp dump ready for read on (%ld).\n",
 140                             vha->host_no);
 141                 }
 142                 break;
 143         case 8:
 144                 if (!ha->mpi_fw_dump_reading)
 145                         break;
 146                 ql_log(ql_log_info, vha, 0x70e7,
 147                        "MPI firmware dump cleared on (%ld).\n", vha->host_no);
 148                 ha->mpi_fw_dump_reading = 0;
 149                 ha->mpi_fw_dumped = 0;
 150                 break;
 151         case 9:
 152                 if (ha->mpi_fw_dumped && !ha->mpi_fw_dump_reading) {
 153                         ha->mpi_fw_dump_reading = 1;
 154                         ql_log(ql_log_info, vha, 0x70e8,
 155                                "Raw MPI firmware dump ready for read on (%ld).\n",
 156                                vha->host_no);
 157                 }
 158                 break;
 159         case 10:
 160                 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
 161                         ql_log(ql_log_info, vha, 0x70e9,
 162                                "Issuing MPI firmware dump on host#%ld.\n",
 163                                vha->host_no);
 164                         ha->isp_ops->mpi_fw_dump(vha, 0);
 165                 }
 166                 break;
 167         }
 168         return count;
 169 }
 170
 171 static struct bin_attribute sysfs_fw_dump_attr = {
 172         .attr = {
 173                 .name = "fw_dump",
 174                 .mode = S_IRUSR | S_IWUSR,
 175         },
 176         .size = 0,
 177         .read = qla2x00_sysfs_read_fw_dump,
 178         .write = qla2x00_sysfs_write_fw_dump,
 179 };
 180
 181 static ssize_t
 182 qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
 183                          struct bin_attribute *bin_attr,
 184                          char *buf, loff_t off, size_t count)
 185 {
 186         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 187             struct device, kobj)));
 188         struct qla_hw_data *ha = vha->hw;
 189         uint32_t faddr;
 190         struct active_regions active_regions = { };
 191
 192         if (!capable(CAP_SYS_ADMIN))
 193                 return 0;
 194
 195         mutex_lock(&ha->optrom_mutex);
 196         if (qla2x00_chip_is_down(vha)) {
 197                 mutex_unlock(&ha->optrom_mutex);
 198                 return -EAGAIN;
 199         }
 200
 201         if (!IS_NOCACHE_VPD_TYPE(ha)) {
 202                 mutex_unlock(&ha->optrom_mutex);
 203                 goto skip;
 204         }
 205
 206         faddr = ha->flt_region_nvram;
 207         if (IS_QLA28XX(ha)) {
 208                 qla28xx_get_aux_images(vha, &active_regions);
 209                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
 210                         faddr = ha->flt_region_nvram_sec;
 211         }
 212         ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
 213
 214         mutex_unlock(&ha->optrom_mutex);
 215
 216 skip:
 217         return memory_read_from_buffer(buf, count, &off, ha->nvram,
 218                                         ha->nvram_size);
 219 }
 220
 221 static ssize_t
 222 qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
 223                           struct bin_attribute *bin_attr,
 224                           char *buf, loff_t off, size_t count)
 225 {
 226         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 227             struct device, kobj)));
 228         struct qla_hw_data *ha = vha->hw;
 229         uint16_t        cnt;
 230
 231         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
 232             !ha->isp_ops->write_nvram)
 233                 return -EINVAL;
 234
 235         /* Checksum NVRAM. */
 236         if (IS_FWI2_CAPABLE(ha)) {
 237                 __le32 *iter = (__force __le32 *)buf;
 238                 uint32_t chksum;
 239
 240                 chksum = 0;
 241                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++, iter++)
 242                         chksum += le32_to_cpu(*iter);
 243                 chksum = ~chksum + 1;
 244                 *iter = cpu_to_le32(chksum);
 245         } else {
 246                 uint8_t *iter;
 247                 uint8_t chksum;
 248
 249                 iter = (uint8_t *)buf;
 250                 chksum = 0;
 251                 for (cnt = 0; cnt < count - 1; cnt++)
 252                         chksum += *iter++;
 253                 chksum = ~chksum + 1;
 254                 *iter = chksum;
 255         }
 256
 257         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 258                 ql_log(ql_log_warn, vha, 0x705f,
 259                     "HBA not online, failing NVRAM update.\n");
 260                 return -EAGAIN;
 261         }
 262
 263         mutex_lock(&ha->optrom_mutex);
 264         if (qla2x00_chip_is_down(vha)) {
 265                 mutex_unlock(&ha->optrom_mutex);
 266                 return -EAGAIN;
 267         }
 268
 269         /* Write NVRAM. */
 270         ha->isp_ops->write_nvram(vha, buf, ha->nvram_base, count);
 271         ha->isp_ops->read_nvram(vha, ha->nvram, ha->nvram_base,
 272             count);
 273         mutex_unlock(&ha->optrom_mutex);
 274
 275         ql_dbg(ql_dbg_user, vha, 0x7060,
 276             "Setting ISP_ABORT_NEEDED\n");
 277         /* NVRAM settings take effect immediately. */
 278         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 279         qla2xxx_wake_dpc(vha);
 280         qla2x00_wait_for_chip_reset(vha);
 281
 282         return count;
 283 }
 284
 285 static struct bin_attribute sysfs_nvram_attr = {
 286         .attr = {
 287                 .name = "nvram",
 288                 .mode = S_IRUSR | S_IWUSR,
 289         },
 290         .size = 512,
 291         .read = qla2x00_sysfs_read_nvram,
 292         .write = qla2x00_sysfs_write_nvram,
 293 };
 294
 295 static ssize_t
 296 qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
 297                           struct bin_attribute *bin_attr,
 298                           char *buf, loff_t off, size_t count)
 299 {
 300         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 301             struct device, kobj)));
 302         struct qla_hw_data *ha = vha->hw;
 303         ssize_t rval = 0;
 304
 305         mutex_lock(&ha->optrom_mutex);
 306
 307         if (ha->optrom_state != QLA_SREADING)
 308                 goto out;
 309
 310         rval = memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
 311             ha->optrom_region_size);
 312
 313 out:
 314         mutex_unlock(&ha->optrom_mutex);
 315
 316         return rval;
 317 }
 318
 319 static ssize_t
 320 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
 321                            struct bin_attribute *bin_attr,
 322                            char *buf, loff_t off, size_t count)
 323 {
 324         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 325             struct device, kobj)));
 326         struct qla_hw_data *ha = vha->hw;
 327
 328         mutex_lock(&ha->optrom_mutex);
 329
 330         if (ha->optrom_state != QLA_SWRITING) {
 331                 mutex_unlock(&ha->optrom_mutex);
 332                 return -EINVAL;
 333         }
 334         if (off > ha->optrom_region_size) {
 335                 mutex_unlock(&ha->optrom_mutex);
 336                 return -ERANGE;
 337         }
 338         if (off + count > ha->optrom_region_size)
 339                 count = ha->optrom_region_size - off;
 340
 341         memcpy(&ha->optrom_buffer[off], buf, count);
 342         mutex_unlock(&ha->optrom_mutex);
 343
 344         return count;
 345 }
 346
 347 static struct bin_attribute sysfs_optrom_attr = {
 348         .attr = {
 349                 .name = "optrom",
 350                 .mode = S_IRUSR | S_IWUSR,
 351         },
 352         .size = 0,
 353         .read = qla2x00_sysfs_read_optrom,
 354         .write = qla2x00_sysfs_write_optrom,
 355 };
 356
 357 static ssize_t
 358 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 359                                struct bin_attribute *bin_attr,
 360                                char *buf, loff_t off, size_t count)
 361 {
 362         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 363             struct device, kobj)));
 364         struct qla_hw_data *ha = vha->hw;
 365         uint32_t start = 0;
 366         uint32_t size = ha->optrom_size;
 367         int val, valid;
 368         ssize_t rval = count;
 369
 370         if (off)
 371                 return -EINVAL;
 372
 373         if (unlikely(pci_channel_offline(ha->pdev)))
 374                 return -EAGAIN;
 375
 376         if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
 377                 return -EINVAL;
 378         if (start > ha->optrom_size)
 379                 return -EINVAL;
 380         if (size > ha->optrom_size - start)
 381                 size = ha->optrom_size - start;
 382
 383         mutex_lock(&ha->optrom_mutex);
 384         if (qla2x00_chip_is_down(vha)) {
 385                 mutex_unlock(&ha->optrom_mutex);
 386                 return -EAGAIN;
 387         }
 388         switch (val) {
 389         case 0:
 390                 if (ha->optrom_state != QLA_SREADING &&
 391                     ha->optrom_state != QLA_SWRITING) {
 392                         rval =  -EINVAL;
 393                         goto out;
 394                 }
 395                 ha->optrom_state = QLA_SWAITING;
 396
 397                 ql_dbg(ql_dbg_user, vha, 0x7061,
 398                     "Freeing flash region allocation -- 0x%x bytes.\n",
 399                     ha->optrom_region_size);
 400
 401                 vfree(ha->optrom_buffer);
 402                 ha->optrom_buffer = NULL;
 403                 break;
 404         case 1:
 405                 if (ha->optrom_state != QLA_SWAITING) {
 406                         rval = -EINVAL;
 407                         goto out;
 408                 }
 409
 410                 ha->optrom_region_start = start;
 411                 ha->optrom_region_size = size;
 412
 413                 ha->optrom_state = QLA_SREADING;
 414                 ha->optrom_buffer = vzalloc(ha->optrom_region_size);
 415                 if (ha->optrom_buffer == NULL) {
 416                         ql_log(ql_log_warn, vha, 0x7062,
 417                             "Unable to allocate memory for optrom retrieval "
 418                             "(%x).\n", ha->optrom_region_size);
 419
 420                         ha->optrom_state = QLA_SWAITING;
 421                         rval = -ENOMEM;
 422                         goto out;
 423                 }
 424
 425                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 426                         ql_log(ql_log_warn, vha, 0x7063,
 427                             "HBA not online, failing NVRAM update.\n");
 428                         rval = -EAGAIN;
 429                         goto out;
 430                 }
 431
 432                 ql_dbg(ql_dbg_user, vha, 0x7064,
 433                     "Reading flash region -- 0x%x/0x%x.\n",
 434                     ha->optrom_region_start, ha->optrom_region_size);
 435
 436                 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
 437                     ha->optrom_region_start, ha->optrom_region_size);
 438                 break;
 439         case 2:
 440                 if (ha->optrom_state != QLA_SWAITING) {
 441                         rval = -EINVAL;
 442                         goto out;
 443                 }
 444
 445                 /*
 446                  * We need to be more restrictive on which FLASH regions are
 447                  * allowed to be updated via user-space.  Regions accessible
 448                  * via this method include:
 449                  *
 450                  * ISP21xx/ISP22xx/ISP23xx type boards:
 451                  *
 452                  *      0x000000 -> 0x020000 -- Boot code.
 453                  *
 454                  * ISP2322/ISP24xx type boards:
 455                  *
 456                  *      0x000000 -> 0x07ffff -- Boot code.
 457                  *      0x080000 -> 0x0fffff -- Firmware.
 458                  *
 459                  * ISP25xx type boards:
 460                  *
 461                  *      0x000000 -> 0x07ffff -- Boot code.
 462                  *      0x080000 -> 0x0fffff -- Firmware.
 463                  *      0x120000 -> 0x12ffff -- VPD and HBA parameters.
 464                  *
 465                  * > ISP25xx type boards:
 466                  *
 467                  *      None -- should go through BSG.
 468                  */
 469                 valid = 0;
 470                 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
 471                         valid = 1;
 472                 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 473                         valid = 1;
 474                 if (!valid) {
 475                         ql_log(ql_log_warn, vha, 0x7065,
 476                             "Invalid start region 0x%x/0x%x.\n", start, size);
 477                         rval = -EINVAL;
 478                         goto out;
 479                 }
 480
 481                 ha->optrom_region_start = start;
 482                 ha->optrom_region_size = size;
 483
 484                 ha->optrom_state = QLA_SWRITING;
 485                 ha->optrom_buffer = vzalloc(ha->optrom_region_size);
 486                 if (ha->optrom_buffer == NULL) {
 487                         ql_log(ql_log_warn, vha, 0x7066,
 488                             "Unable to allocate memory for optrom update "
 489                             "(%x)\n", ha->optrom_region_size);
 490
 491                         ha->optrom_state = QLA_SWAITING;
 492                         rval = -ENOMEM;
 493                         goto out;
 494                 }
 495
 496                 ql_dbg(ql_dbg_user, vha, 0x7067,
 497                     "Staging flash region write -- 0x%x/0x%x.\n",
 498                     ha->optrom_region_start, ha->optrom_region_size);
 499
 500                 break;
 501         case 3:
 502                 if (ha->optrom_state != QLA_SWRITING) {
 503                         rval = -EINVAL;
 504                         goto out;
 505                 }
 506
 507                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 508                         ql_log(ql_log_warn, vha, 0x7068,
 509                             "HBA not online, failing flash update.\n");
 510                         rval = -EAGAIN;
 511                         goto out;
 512                 }
 513
 514                 ql_dbg(ql_dbg_user, vha, 0x7069,
 515                     "Writing flash region -- 0x%x/0x%x.\n",
 516                     ha->optrom_region_start, ha->optrom_region_size);
 517
 518                 rval = ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
 519                     ha->optrom_region_start, ha->optrom_region_size);
 520                 if (rval)
 521                         rval = -EIO;
 522                 break;
 523         default:
 524                 rval = -EINVAL;
 525         }
 526
 527 out:
 528         mutex_unlock(&ha->optrom_mutex);
 529         return rval;
 530 }
 531
 532 static struct bin_attribute sysfs_optrom_ctl_attr = {
 533         .attr = {
 534                 .name = "optrom_ctl",
 535                 .mode = S_IWUSR,
 536         },
 537         .size = 0,
 538         .write = qla2x00_sysfs_write_optrom_ctl,
 539 };
 540
 541 static ssize_t
 542 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
 543                        struct bin_attribute *bin_attr,
 544                        char *buf, loff_t off, size_t count)
 545 {
 546         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 547             struct device, kobj)));
 548         struct qla_hw_data *ha = vha->hw;
 549         uint32_t faddr;
 550         struct active_regions active_regions = { };
 551
 552         if (unlikely(pci_channel_offline(ha->pdev)))
 553                 return -EAGAIN;
 554
 555         if (!capable(CAP_SYS_ADMIN))
 556                 return -EINVAL;
 557
 558         if (!IS_NOCACHE_VPD_TYPE(ha))
 559                 goto skip;
 560
 561         faddr = ha->flt_region_vpd << 2;
 562
 563         if (IS_QLA28XX(ha)) {
 564                 qla28xx_get_aux_images(vha, &active_regions);
 565                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
 566                         faddr = ha->flt_region_vpd_sec << 2;
 567
 568                 ql_dbg(ql_dbg_init, vha, 0x7070,
 569                     "Loading %s nvram image.\n",
 570                     active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
 571                     "primary" : "secondary");
 572         }
 573
 574         mutex_lock(&ha->optrom_mutex);
 575         if (qla2x00_chip_is_down(vha)) {
 576                 mutex_unlock(&ha->optrom_mutex);
 577                 return -EAGAIN;
 578         }
 579
 580         ha->isp_ops->read_optrom(vha, ha->vpd, faddr, ha->vpd_size);
 581         mutex_unlock(&ha->optrom_mutex);
 582
 583         ha->isp_ops->read_optrom(vha, ha->vpd, faddr, ha->vpd_size);
 584 skip:
 585         return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
 586 }
 587
 588 static ssize_t
 589 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
 590                         struct bin_attribute *bin_attr,
 591                         char *buf, loff_t off, size_t count)
 592 {
 593         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 594             struct device, kobj)));
 595         struct qla_hw_data *ha = vha->hw;
 596         uint8_t *tmp_data;
 597
 598         if (unlikely(pci_channel_offline(ha->pdev)))
 599                 return 0;
 600
 601         if (qla2x00_chip_is_down(vha))
 602                 return 0;
 603
 604         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
 605             !ha->isp_ops->write_nvram)
 606                 return 0;
 607
 608         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 609                 ql_log(ql_log_warn, vha, 0x706a,
 610                     "HBA not online, failing VPD update.\n");
 611                 return -EAGAIN;
 612         }
 613
 614         mutex_lock(&ha->optrom_mutex);
 615         if (qla2x00_chip_is_down(vha)) {
 616                 mutex_unlock(&ha->optrom_mutex);
 617                 return -EAGAIN;
 618         }
 619
 620         /* Write NVRAM. */
 621         ha->isp_ops->write_nvram(vha, buf, ha->vpd_base, count);
 622         ha->isp_ops->read_nvram(vha, ha->vpd, ha->vpd_base, count);
 623
 624         /* Update flash version information for 4Gb & above. */
 625         if (!IS_FWI2_CAPABLE(ha)) {
 626                 mutex_unlock(&ha->optrom_mutex);
 627                 return -EINVAL;
 628         }
 629
 630         tmp_data = vmalloc(256);
 631         if (!tmp_data) {
 632                 mutex_unlock(&ha->optrom_mutex);
 633                 ql_log(ql_log_warn, vha, 0x706b,
 634                     "Unable to allocate memory for VPD information update.\n");
 635                 return -ENOMEM;
 636         }
 637         ha->isp_ops->get_flash_version(vha, tmp_data);
 638         vfree(tmp_data);
 639
 640         mutex_unlock(&ha->optrom_mutex);
 641
 642         return count;
 643 }
 644
 645 static struct bin_attribute sysfs_vpd_attr = {
 646         .attr = {
 647                 .name = "vpd",
 648                 .mode = S_IRUSR | S_IWUSR,
 649         },
 650         .size = 0,
 651         .read = qla2x00_sysfs_read_vpd,
 652         .write = qla2x00_sysfs_write_vpd,
 653 };
 654
 655 static ssize_t
 656 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
 657                        struct bin_attribute *bin_attr,
 658                        char *buf, loff_t off, size_t count)
 659 {
 660         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 661             struct device, kobj)));
 662         int rval;
 663
 664         if (!capable(CAP_SYS_ADMIN) || off != 0 || count < SFP_DEV_SIZE)
 665                 return 0;
 666
 667         mutex_lock(&vha->hw->optrom_mutex);
 668         if (qla2x00_chip_is_down(vha)) {
 669                 mutex_unlock(&vha->hw->optrom_mutex);
 670                 return 0;
 671         }
 672
 673         rval = qla2x00_read_sfp_dev(vha, buf, count);
 674         mutex_unlock(&vha->hw->optrom_mutex);
 675
 676         if (rval)
 677                 return -EIO;
 678
 679         return count;
 680 }
 681
 682 static struct bin_attribute sysfs_sfp_attr = {
 683         .attr = {
 684                 .name = "sfp",
 685                 .mode = S_IRUSR | S_IWUSR,
 686         },
 687         .size = SFP_DEV_SIZE,
 688         .read = qla2x00_sysfs_read_sfp,
 689 };
 690
 691 static ssize_t
 692 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
 693                         struct bin_attribute *bin_attr,
 694                         char *buf, loff_t off, size_t count)
 695 {
 696         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 697             struct device, kobj)));
 698         struct qla_hw_data *ha = vha->hw;
 699         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 700         int type;
 701         uint32_t idc_control;
 702         uint8_t *tmp_data = NULL;
 703
 704         if (off != 0)
 705                 return -EINVAL;
 706
 707         type = simple_strtol(buf, NULL, 10);
 708         switch (type) {
 709         case 0x2025c:
 710                 ql_log(ql_log_info, vha, 0x706e,
 711                     "Issuing ISP reset.\n");
 712
 713                 if (vha->hw->flags.port_isolated) {
 714                         ql_log(ql_log_info, vha, 0x706e,
 715                                "Port is isolated, returning.\n");
 716                         return -EINVAL;
 717                 }
 718
 719                 scsi_block_requests(vha->host);
 720                 if (IS_QLA82XX(ha)) {
 721                         ha->flags.isp82xx_no_md_cap = 1;
 722                         qla82xx_idc_lock(ha);
 723                         qla82xx_set_reset_owner(vha);
 724                         qla82xx_idc_unlock(ha);
 725                 } else if (IS_QLA8044(ha)) {
 726                         qla8044_idc_lock(ha);
 727                         idc_control = qla8044_rd_reg(ha,
 728                             QLA8044_IDC_DRV_CTRL);
 729                         qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
 730                             (idc_control | GRACEFUL_RESET_BIT1));
 731                         qla82xx_set_reset_owner(vha);
 732                         qla8044_idc_unlock(ha);
 733                 } else {
 734                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 735                         qla2xxx_wake_dpc(vha);
 736                 }
 737                 qla2x00_wait_for_chip_reset(vha);
 738                 scsi_unblock_requests(vha->host);
 739                 break;
 740         case 0x2025d:
 741                 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
 742                     !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
 743                         return -EPERM;
 744
 745                 ql_log(ql_log_info, vha, 0x706f,
 746                     "Issuing MPI reset.\n");
 747
 748                 if (IS_QLA83XX(ha)) {
 749                         uint32_t idc_control;
 750
 751                         qla83xx_idc_lock(vha, 0);
 752                         __qla83xx_get_idc_control(vha, &idc_control);
 753                         idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
 754                         __qla83xx_set_idc_control(vha, idc_control);
 755                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 756                             QLA8XXX_DEV_NEED_RESET);
 757                         qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
 758                         qla83xx_idc_unlock(vha, 0);
 759                         break;
 760                 } else {
 761                         /* Make sure FC side is not in reset */
 762                         WARN_ON_ONCE(qla2x00_wait_for_hba_online(vha) !=
 763                                      QLA_SUCCESS);
 764
 765                         /* Issue MPI reset */
 766                         scsi_block_requests(vha->host);
 767                         if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
 768                                 ql_log(ql_log_warn, vha, 0x7070,
 769                                     "MPI reset failed.\n");
 770                         scsi_unblock_requests(vha->host);
 771                         break;
 772                 }
 773                 break;
 774         case 0x2025e:
 775                 if (!IS_P3P_TYPE(ha) || vha != base_vha) {
 776                         ql_log(ql_log_info, vha, 0x7071,
 777                             "FCoE ctx reset not supported.\n");
 778                         return -EPERM;
 779                 }
 780
 781                 ql_log(ql_log_info, vha, 0x7072,
 782                     "Issuing FCoE ctx reset.\n");
 783                 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
 784                 qla2xxx_wake_dpc(vha);
 785                 qla2x00_wait_for_fcoe_ctx_reset(vha);
 786                 break;
 787         case 0x2025f:
 788                 if (!IS_QLA8031(ha))
 789                         return -EPERM;
 790                 ql_log(ql_log_info, vha, 0x70bc,
 791                     "Disabling Reset by IDC control\n");
 792                 qla83xx_idc_lock(vha, 0);
 793                 __qla83xx_get_idc_control(vha, &idc_control);
 794                 idc_control |= QLA83XX_IDC_RESET_DISABLED;
 795                 __qla83xx_set_idc_control(vha, idc_control);
 796                 qla83xx_idc_unlock(vha, 0);
 797                 break;
 798         case 0x20260:
 799                 if (!IS_QLA8031(ha))
 800                         return -EPERM;
 801                 ql_log(ql_log_info, vha, 0x70bd,
 802                     "Enabling Reset by IDC control\n");
 803                 qla83xx_idc_lock(vha, 0);
 804                 __qla83xx_get_idc_control(vha, &idc_control);
 805                 idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
 806                 __qla83xx_set_idc_control(vha, idc_control);
 807                 qla83xx_idc_unlock(vha, 0);
 808                 break;
 809         case 0x20261:
 810                 ql_dbg(ql_dbg_user, vha, 0x70e0,
 811                     "Updating cache versions without reset ");
 812
 813                 tmp_data = vmalloc(256);
 814                 if (!tmp_data) {
 815                         ql_log(ql_log_warn, vha, 0x70e1,
 816                             "Unable to allocate memory for VPD information update.\n");
 817                         return -ENOMEM;
 818                 }
 819                 ha->isp_ops->get_flash_version(vha, tmp_data);
 820                 vfree(tmp_data);
 821                 break;
 822         }
 823         return count;
 824 }
 825
 826 static struct bin_attribute sysfs_reset_attr = {
 827         .attr = {
 828                 .name = "reset",
 829                 .mode = S_IWUSR,
 830         },
 831         .size = 0,
 832         .write = qla2x00_sysfs_write_reset,
 833 };
 834
 835 static ssize_t
 836 qla2x00_issue_logo(struct file *filp, struct kobject *kobj,
 837                         struct bin_attribute *bin_attr,
 838                         char *buf, loff_t off, size_t count)
 839 {
 840         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 841             struct device, kobj)));
 842         int type;
 843         port_id_t did;
 844
 845         if (!capable(CAP_SYS_ADMIN))
 846                 return 0;
 847
 848         if (unlikely(pci_channel_offline(vha->hw->pdev)))
 849                 return 0;
 850
 851         if (qla2x00_chip_is_down(vha))
 852                 return 0;
 853
 854         type = simple_strtol(buf, NULL, 10);
 855
 856         did.b.domain = (type & 0x00ff0000) >> 16;
 857         did.b.area = (type & 0x0000ff00) >> 8;
 858         did.b.al_pa = (type & 0x000000ff);
 859
 860         ql_log(ql_log_info, vha, 0xd04d, "portid=%02x%02x%02x done\n",
 861             did.b.domain, did.b.area, did.b.al_pa);
 862
 863         ql_log(ql_log_info, vha, 0x70e4, "%s: %d\n", __func__, type);
 864
 865         qla24xx_els_dcmd_iocb(vha, ELS_DCMD_LOGO, did);
 866         return count;
 867 }
 868
 869 static struct bin_attribute sysfs_issue_logo_attr = {
 870         .attr = {
 871                 .name = "issue_logo",
 872                 .mode = S_IWUSR,
 873         },
 874         .size = 0,
 875         .write = qla2x00_issue_logo,
 876 };
 877
 878 static ssize_t
 879 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
 880                        struct bin_attribute *bin_attr,
 881                        char *buf, loff_t off, size_t count)
 882 {
 883         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 884             struct device, kobj)));
 885         struct qla_hw_data *ha = vha->hw;
 886         int rval;
 887         uint16_t actual_size;
 888
 889         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
 890                 return 0;
 891
 892         if (unlikely(pci_channel_offline(ha->pdev)))
 893                 return 0;
 894         mutex_lock(&vha->hw->optrom_mutex);
 895         if (qla2x00_chip_is_down(vha)) {
 896                 mutex_unlock(&vha->hw->optrom_mutex);
 897                 return 0;
 898         }
 899
 900         if (ha->xgmac_data)
 901                 goto do_read;
 902
 903         ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
 904             &ha->xgmac_data_dma, GFP_KERNEL);
 905         if (!ha->xgmac_data) {
 906                 mutex_unlock(&vha->hw->optrom_mutex);
 907                 ql_log(ql_log_warn, vha, 0x7076,
 908                     "Unable to allocate memory for XGMAC read-data.\n");
 909                 return 0;
 910         }
 911
 912 do_read:
 913         actual_size = 0;
 914         memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
 915
 916         rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
 917             XGMAC_DATA_SIZE, &actual_size);
 918
 919         mutex_unlock(&vha->hw->optrom_mutex);
 920         if (rval != QLA_SUCCESS) {
 921                 ql_log(ql_log_warn, vha, 0x7077,
 922                     "Unable to read XGMAC data (%x).\n", rval);
 923                 count = 0;
 924         }
 925
 926         count = actual_size > count ? count : actual_size;
 927         memcpy(buf, ha->xgmac_data, count);
 928
 929         return count;
 930 }
 931
 932 static struct bin_attribute sysfs_xgmac_stats_attr = {
 933         .attr = {
 934                 .name = "xgmac_stats",
 935                 .mode = S_IRUSR,
 936         },
 937         .size = 0,
 938         .read = qla2x00_sysfs_read_xgmac_stats,
 939 };
 940
 941 static ssize_t
 942 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
 943                        struct bin_attribute *bin_attr,
 944                        char *buf, loff_t off, size_t count)
 945 {
 946         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 947             struct device, kobj)));
 948         struct qla_hw_data *ha = vha->hw;
 949         int rval;
 950
 951         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
 952                 return 0;
 953
 954         mutex_lock(&vha->hw->optrom_mutex);
 955         if (ha->dcbx_tlv)
 956                 goto do_read;
 957         if (qla2x00_chip_is_down(vha)) {
 958                 mutex_unlock(&vha->hw->optrom_mutex);
 959                 return 0;
 960         }
 961
 962         ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
 963             &ha->dcbx_tlv_dma, GFP_KERNEL);
 964         if (!ha->dcbx_tlv) {
 965                 mutex_unlock(&vha->hw->optrom_mutex);
 966                 ql_log(ql_log_warn, vha, 0x7078,
 967                     "Unable to allocate memory for DCBX TLV read-data.\n");
 968                 return -ENOMEM;
 969         }
 970
 971 do_read:
 972         memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
 973
 974         rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
 975             DCBX_TLV_DATA_SIZE);
 976
 977         mutex_unlock(&vha->hw->optrom_mutex);
 978
 979         if (rval != QLA_SUCCESS) {
 980                 ql_log(ql_log_warn, vha, 0x7079,
 981                     "Unable to read DCBX TLV (%x).\n", rval);
 982                 return -EIO;
 983         }
 984
 985         memcpy(buf, ha->dcbx_tlv, count);
 986
 987         return count;
 988 }
 989
 990 static struct bin_attribute sysfs_dcbx_tlv_attr = {
 991         .attr = {
 992                 .name = "dcbx_tlv",
 993                 .mode = S_IRUSR,
 994         },
 995         .size = 0,
 996         .read = qla2x00_sysfs_read_dcbx_tlv,
 997 };
 998
 999 static struct sysfs_entry {
1000         char *name;
1001         struct bin_attribute *attr;
1002         int type;
1003 } bin_file_entries[] = {
1004         { "fw_dump", &sysfs_fw_dump_attr, },
1005         { "nvram", &sysfs_nvram_attr, },
1006         { "optrom", &sysfs_optrom_attr, },
1007         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
1008         { "vpd", &sysfs_vpd_attr, 1 },
1009         { "sfp", &sysfs_sfp_attr, 1 },
1010         { "reset", &sysfs_reset_attr, },
1011         { "issue_logo", &sysfs_issue_logo_attr, },
1012         { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
1013         { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
1014         { NULL },
1015 };
1016
1017 void
1018 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
1019 {
1020         struct Scsi_Host *host = vha->host;
1021         struct sysfs_entry *iter;
1022         int ret;
1023
1024         for (iter = bin_file_entries; iter->name; iter++) {
1025                 if (iter->type && !IS_FWI2_CAPABLE(vha->hw))
1026                         continue;
1027                 if (iter->type == 2 && !IS_QLA25XX(vha->hw))
1028                         continue;
1029                 if (iter->type == 3 && !(IS_CNA_CAPABLE(vha->hw)))
1030                         continue;
1031
1032                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
1033                     iter->attr);
1034                 if (ret)
1035                         ql_log(ql_log_warn, vha, 0x00f3,
1036                             "Unable to create sysfs %s binary attribute (%d).\n",
1037                             iter->name, ret);
1038                 else
1039                         ql_dbg(ql_dbg_init, vha, 0x00f4,
1040                             "Successfully created sysfs %s binary attribute.\n",
1041                             iter->name);
1042         }
1043 }
1044
1045 void
1046 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
1047 {
1048         struct Scsi_Host *host = vha->host;
1049         struct sysfs_entry *iter;
1050         struct qla_hw_data *ha = vha->hw;
1051
1052         for (iter = bin_file_entries; iter->name; iter++) {
1053                 if (iter->type && !IS_FWI2_CAPABLE(ha))
1054                         continue;
1055                 if (iter->type == 2 && !IS_QLA25XX(ha))
1056                         continue;
1057                 if (iter->type == 3 && !(IS_CNA_CAPABLE(ha)))
1058                         continue;
1059
1060                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
1061                     iter->attr);
1062         }
1063
1064         if (stop_beacon && ha->beacon_blink_led == 1)
1065                 ha->isp_ops->beacon_off(vha);
1066 }
1067
1068 /* Scsi_Host attributes. */
1069
1070 static ssize_t
1071 qla2x00_driver_version_show(struct device *dev,
1072                           struct device_attribute *attr, char *buf)
1073 {
1074         return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
1075 }
1076
1077 static ssize_t
1078 qla2x00_fw_version_show(struct device *dev,
1079                         struct device_attribute *attr, char *buf)
1080 {
1081         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1082         struct qla_hw_data *ha = vha->hw;
1083         char fw_str[128];
1084
1085         return scnprintf(buf, PAGE_SIZE, "%s\n",
1086             ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
1087 }
1088
1089 static ssize_t
1090 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
1091                         char *buf)
1092 {
1093         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1094         struct qla_hw_data *ha = vha->hw;
1095         uint32_t sn;
1096
1097         if (IS_QLAFX00(vha->hw)) {
1098                 return scnprintf(buf, PAGE_SIZE, "%s\n",
1099                     vha->hw->mr.serial_num);
1100         } else if (IS_FWI2_CAPABLE(ha)) {
1101                 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
1102                 return strlen(strcat(buf, "\n"));
1103         }
1104
1105         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1106         return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
1107             sn % 100000);
1108 }
1109
1110 static ssize_t
1111 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
1112                       char *buf)
1113 {
1114         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1115
1116         return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1117 }
1118
1119 static ssize_t
1120 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
1121                     char *buf)
1122 {
1123         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1124         struct qla_hw_data *ha = vha->hw;
1125
1126         if (IS_QLAFX00(vha->hw))
1127                 return scnprintf(buf, PAGE_SIZE, "%s\n",
1128                     vha->hw->mr.hw_version);
1129
1130         return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1131             ha->product_id[0], ha->product_id[1], ha->product_id[2],
1132             ha->product_id[3]);
1133 }
1134
1135 static ssize_t
1136 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1137                         char *buf)
1138 {
1139         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1140
1141         return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1142 }
1143
1144 static ssize_t
1145 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1146                         char *buf)
1147 {
1148         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1149
1150         return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_desc);
1151 }
1152
1153 static ssize_t
1154 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
1155                       char *buf)
1156 {
1157         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1158         char pci_info[30];
1159
1160         return scnprintf(buf, PAGE_SIZE, "%s\n",
1161                          vha->hw->isp_ops->pci_info_str(vha, pci_info,
1162                                                         sizeof(pci_info)));
1163 }
1164
1165 static ssize_t
1166 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1167                         char *buf)
1168 {
1169         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1170         struct qla_hw_data *ha = vha->hw;
1171         int len = 0;
1172
1173         if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1174             atomic_read(&vha->loop_state) == LOOP_DEAD ||
1175             vha->device_flags & DFLG_NO_CABLE)
1176                 len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1177         else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1178             qla2x00_chip_is_down(vha))
1179                 len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1180         else {
1181                 len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1182
1183                 switch (ha->current_topology) {
1184                 case ISP_CFG_NL:
1185                         len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1186                         break;
1187                 case ISP_CFG_FL:
1188                         len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1189                         break;
1190                 case ISP_CFG_N:
1191                         len += scnprintf(buf + len, PAGE_SIZE-len,
1192                             "N_Port to N_Port\n");
1193                         break;
1194                 case ISP_CFG_F:
1195                         len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1196                         break;
1197                 default:
1198                         len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1199                         break;
1200                 }
1201         }
1202         return len;
1203 }
1204
1205 static ssize_t
1206 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1207                  char *buf)
1208 {
1209         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1210         int len = 0;
1211
1212         switch (vha->hw->zio_mode) {
1213         case QLA_ZIO_MODE_6:
1214                 len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1215                 break;
1216         case QLA_ZIO_DISABLED:
1217                 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1218                 break;
1219         }
1220         return len;
1221 }
1222
1223 static ssize_t
1224 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1225                   const char *buf, size_t count)
1226 {
1227         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1228         struct qla_hw_data *ha = vha->hw;
1229         int val = 0;
1230         uint16_t zio_mode;
1231
1232         if (!IS_ZIO_SUPPORTED(ha))
1233                 return -ENOTSUPP;
1234
1235         if (sscanf(buf, "%d", &val) != 1)
1236                 return -EINVAL;
1237
1238         if (val)
1239                 zio_mode = QLA_ZIO_MODE_6;
1240         else
1241                 zio_mode = QLA_ZIO_DISABLED;
1242
1243         /* Update per-hba values and queue a reset. */
1244         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1245                 ha->zio_mode = zio_mode;
1246                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1247         }
1248         return strlen(buf);
1249 }
1250
1251 static ssize_t
1252 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1253                        char *buf)
1254 {
1255         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1256
1257         return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1258 }
1259
1260 static ssize_t
1261 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1262                         const char *buf, size_t count)
1263 {
1264         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1265         int val = 0;
1266         uint16_t zio_timer;
1267
1268         if (sscanf(buf, "%d", &val) != 1)
1269                 return -EINVAL;
1270         if (val > 25500 || val < 100)
1271                 return -ERANGE;
1272
1273         zio_timer = (uint16_t)(val / 100);
1274         vha->hw->zio_timer = zio_timer;
1275
1276         return strlen(buf);
1277 }
1278
1279 static ssize_t
1280 qla_zio_threshold_show(struct device *dev, struct device_attribute *attr,
1281                        char *buf)
1282 {
1283         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1284
1285         return scnprintf(buf, PAGE_SIZE, "%d exchanges\n",
1286             vha->hw->last_zio_threshold);
1287 }
1288
1289 static ssize_t
1290 qla_zio_threshold_store(struct device *dev, struct device_attribute *attr,
1291     const char *buf, size_t count)
1292 {
1293         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1294         int val = 0;
1295
1296         if (vha->hw->zio_mode != QLA_ZIO_MODE_6)
1297                 return -EINVAL;
1298         if (sscanf(buf, "%d", &val) != 1)
1299                 return -EINVAL;
1300         if (val < 0 || val > 256)
1301                 return -ERANGE;
1302
1303         atomic_set(&vha->hw->zio_threshold, val);
1304         return strlen(buf);
1305 }
1306
1307 static ssize_t
1308 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1309                     char *buf)
1310 {
1311         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1312         int len = 0;
1313
1314         if (vha->hw->beacon_blink_led)
1315                 len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1316         else
1317                 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1318         return len;
1319 }
1320
1321 static ssize_t
1322 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1323                      const char *buf, size_t count)
1324 {
1325         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1326         struct qla_hw_data *ha = vha->hw;
1327         int val = 0;
1328         int rval;
1329
1330         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1331                 return -EPERM;
1332
1333         if (sscanf(buf, "%d", &val) != 1)
1334                 return -EINVAL;
1335
1336         mutex_lock(&vha->hw->optrom_mutex);
1337         if (qla2x00_chip_is_down(vha)) {
1338                 mutex_unlock(&vha->hw->optrom_mutex);
1339                 ql_log(ql_log_warn, vha, 0x707a,
1340                     "Abort ISP active -- ignoring beacon request.\n");
1341                 return -EBUSY;
1342         }
1343
1344         if (val)
1345                 rval = ha->isp_ops->beacon_on(vha);
1346         else
1347                 rval = ha->isp_ops->beacon_off(vha);
1348
1349         if (rval != QLA_SUCCESS)
1350                 count = 0;
1351
1352         mutex_unlock(&vha->hw->optrom_mutex);
1353
1354         return count;
1355 }
1356
1357 static ssize_t
1358 qla2x00_beacon_config_show(struct device *dev, struct device_attribute *attr,
1359         char *buf)
1360 {
1361         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1362         struct qla_hw_data *ha = vha->hw;
1363         uint16_t led[3] = { 0 };
1364
1365         if (!IS_QLA2031(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1366                 return -EPERM;
1367
1368         if (ql26xx_led_config(vha, 0, led))
1369                 return scnprintf(buf, PAGE_SIZE, "\n");
1370
1371         return scnprintf(buf, PAGE_SIZE, "%#04hx %#04hx %#04hx\n",
1372             led[0], led[1], led[2]);
1373 }
1374
1375 static ssize_t
1376 qla2x00_beacon_config_store(struct device *dev, struct device_attribute *attr,
1377         const char *buf, size_t count)
1378 {
1379         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1380         struct qla_hw_data *ha = vha->hw;
1381         uint16_t options = BIT_0;
1382         uint16_t led[3] = { 0 };
1383         uint16_t word[4];
1384         int n;
1385
1386         if (!IS_QLA2031(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1387                 return -EPERM;
1388
1389         n = sscanf(buf, "%hx %hx %hx %hx", word+0, word+1, word+2, word+3);
1390         if (n == 4) {
1391                 if (word[0] == 3) {
1392                         options |= BIT_3|BIT_2|BIT_1;
1393                         led[0] = word[1];
1394                         led[1] = word[2];
1395                         led[2] = word[3];
1396                         goto write;
1397                 }
1398                 return -EINVAL;
1399         }
1400
1401         if (n == 2) {
1402                 /* check led index */
1403                 if (word[0] == 0) {
1404                         options |= BIT_2;
1405                         led[0] = word[1];
1406                         goto write;
1407                 }
1408                 if (word[0] == 1) {
1409                         options |= BIT_3;
1410                         led[1] = word[1];
1411                         goto write;
1412                 }
1413                 if (word[0] == 2) {
1414                         options |= BIT_1;
1415                         led[2] = word[1];
1416                         goto write;
1417                 }
1418                 return -EINVAL;
1419         }
1420
1421         return -EINVAL;
1422
1423 write:
1424         if (ql26xx_led_config(vha, options, led))
1425                 return -EFAULT;
1426
1427         return count;
1428 }
1429
1430 static ssize_t
1431 qla2x00_optrom_bios_version_show(struct device *dev,
1432                                  struct device_attribute *attr, char *buf)
1433 {
1434         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1435         struct qla_hw_data *ha = vha->hw;
1436
1437         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1438             ha->bios_revision[0]);
1439 }
1440
1441 static ssize_t
1442 qla2x00_optrom_efi_version_show(struct device *dev,
1443                                 struct device_attribute *attr, char *buf)
1444 {
1445         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1446         struct qla_hw_data *ha = vha->hw;
1447
1448         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1449             ha->efi_revision[0]);
1450 }
1451
1452 static ssize_t
1453 qla2x00_optrom_fcode_version_show(struct device *dev,
1454                                   struct device_attribute *attr, char *buf)
1455 {
1456         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1457         struct qla_hw_data *ha = vha->hw;
1458
1459         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1460             ha->fcode_revision[0]);
1461 }
1462
1463 static ssize_t
1464 qla2x00_optrom_fw_version_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, "%d.%02d.%02d %d\n",
1471             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1472             ha->fw_revision[3]);
1473 }
1474
1475 static ssize_t
1476 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1477     struct device_attribute *attr, char *buf)
1478 {
1479         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1480         struct qla_hw_data *ha = vha->hw;
1481
1482         if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1483             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1484                 return scnprintf(buf, PAGE_SIZE, "\n");
1485
1486         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1487             ha->gold_fw_version[0], ha->gold_fw_version[1],
1488             ha->gold_fw_version[2], ha->gold_fw_version[3]);
1489 }
1490
1491 static ssize_t
1492 qla2x00_total_isp_aborts_show(struct device *dev,
1493                               struct device_attribute *attr, char *buf)
1494 {
1495         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1496
1497         return scnprintf(buf, PAGE_SIZE, "%d\n",
1498             vha->qla_stats.total_isp_aborts);
1499 }
1500
1501 static ssize_t
1502 qla24xx_84xx_fw_version_show(struct device *dev,
1503         struct device_attribute *attr, char *buf)
1504 {
1505         int rval = QLA_SUCCESS;
1506         uint16_t status[2] = { 0 };
1507         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1508         struct qla_hw_data *ha = vha->hw;
1509
1510         if (!IS_QLA84XX(ha))
1511                 return scnprintf(buf, PAGE_SIZE, "\n");
1512
1513         if (!ha->cs84xx->op_fw_version) {
1514                 rval = qla84xx_verify_chip(vha, status);
1515
1516                 if (!rval && !status[0])
1517                         return scnprintf(buf, PAGE_SIZE, "%u\n",
1518                             (uint32_t)ha->cs84xx->op_fw_version);
1519         }
1520
1521         return scnprintf(buf, PAGE_SIZE, "\n");
1522 }
1523
1524 static ssize_t
1525 qla2x00_serdes_version_show(struct device *dev, struct device_attribute *attr,
1526     char *buf)
1527 {
1528         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1529         struct qla_hw_data *ha = vha->hw;
1530
1531         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1532                 return scnprintf(buf, PAGE_SIZE, "\n");
1533
1534         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1535             ha->serdes_version[0], ha->serdes_version[1],
1536             ha->serdes_version[2]);
1537 }
1538
1539 static ssize_t
1540 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1541     char *buf)
1542 {
1543         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1544         struct qla_hw_data *ha = vha->hw;
1545
1546         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha) &&
1547             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1548                 return scnprintf(buf, PAGE_SIZE, "\n");
1549
1550         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1551             ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1552             ha->mpi_capabilities);
1553 }
1554
1555 static ssize_t
1556 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1557     char *buf)
1558 {
1559         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1560         struct qla_hw_data *ha = vha->hw;
1561
1562         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1563                 return scnprintf(buf, PAGE_SIZE, "\n");
1564
1565         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1566             ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1567 }
1568
1569 static ssize_t
1570 qla2x00_flash_block_size_show(struct device *dev,
1571                               struct device_attribute *attr, char *buf)
1572 {
1573         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1574         struct qla_hw_data *ha = vha->hw;
1575
1576         return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1577 }
1578
1579 static ssize_t
1580 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1581     char *buf)
1582 {
1583         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1584
1585         if (!IS_CNA_CAPABLE(vha->hw))
1586                 return scnprintf(buf, PAGE_SIZE, "\n");
1587
1588         return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1589 }
1590
1591 static ssize_t
1592 qla2x00_vn_port_mac_address_show(struct device *dev,
1593     struct device_attribute *attr, char *buf)
1594 {
1595         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1596
1597         if (!IS_CNA_CAPABLE(vha->hw))
1598                 return scnprintf(buf, PAGE_SIZE, "\n");
1599
1600         return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1601 }
1602
1603 static ssize_t
1604 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1605     char *buf)
1606 {
1607         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1608
1609         return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1610 }
1611
1612 static ssize_t
1613 qla2x00_thermal_temp_show(struct device *dev,
1614         struct device_attribute *attr, char *buf)
1615 {
1616         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1617         uint16_t temp = 0;
1618         int rc;
1619
1620         mutex_lock(&vha->hw->optrom_mutex);
1621         if (qla2x00_chip_is_down(vha)) {
1622                 mutex_unlock(&vha->hw->optrom_mutex);
1623                 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1624                 goto done;
1625         }
1626
1627         if (vha->hw->flags.eeh_busy) {
1628                 mutex_unlock(&vha->hw->optrom_mutex);
1629                 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1630                 goto done;
1631         }
1632
1633         rc = qla2x00_get_thermal_temp(vha, &temp);
1634         mutex_unlock(&vha->hw->optrom_mutex);
1635         if (rc == QLA_SUCCESS)
1636                 return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1637
1638 done:
1639         return scnprintf(buf, PAGE_SIZE, "\n");
1640 }
1641
1642 static ssize_t
1643 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1644     char *buf)
1645 {
1646         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1647         int rval = QLA_FUNCTION_FAILED;
1648         uint16_t state[6];
1649         uint32_t pstate;
1650
1651         if (IS_QLAFX00(vha->hw)) {
1652                 pstate = qlafx00_fw_state_show(dev, attr, buf);
1653                 return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1654         }
1655
1656         mutex_lock(&vha->hw->optrom_mutex);
1657         if (qla2x00_chip_is_down(vha)) {
1658                 mutex_unlock(&vha->hw->optrom_mutex);
1659                 ql_log(ql_log_warn, vha, 0x707c,
1660                     "ISP reset active.\n");
1661                 goto out;
1662         } else if (vha->hw->flags.eeh_busy) {
1663                 mutex_unlock(&vha->hw->optrom_mutex);
1664                 goto out;
1665         }
1666
1667         rval = qla2x00_get_firmware_state(vha, state);
1668         mutex_unlock(&vha->hw->optrom_mutex);
1669 out:
1670         if (rval != QLA_SUCCESS) {
1671                 memset(state, -1, sizeof(state));
1672                 rval = qla2x00_get_firmware_state(vha, state);
1673         }
1674
1675         return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1676             state[0], state[1], state[2], state[3], state[4], state[5]);
1677 }
1678
1679 static ssize_t
1680 qla2x00_diag_requests_show(struct device *dev,
1681         struct device_attribute *attr, char *buf)
1682 {
1683         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1684
1685         if (!IS_BIDI_CAPABLE(vha->hw))
1686                 return scnprintf(buf, PAGE_SIZE, "\n");
1687
1688         return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1689 }
1690
1691 static ssize_t
1692 qla2x00_diag_megabytes_show(struct device *dev,
1693         struct device_attribute *attr, char *buf)
1694 {
1695         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1696
1697         if (!IS_BIDI_CAPABLE(vha->hw))
1698                 return scnprintf(buf, PAGE_SIZE, "\n");
1699
1700         return scnprintf(buf, PAGE_SIZE, "%llu\n",
1701             vha->bidi_stats.transfer_bytes >> 20);
1702 }
1703
1704 static ssize_t
1705 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1706         char *buf)
1707 {
1708         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1709         struct qla_hw_data *ha = vha->hw;
1710         uint32_t size;
1711
1712         if (!ha->fw_dumped)
1713                 size = 0;
1714         else if (IS_P3P_TYPE(ha))
1715                 size = ha->md_template_size + ha->md_dump_size;
1716         else
1717                 size = ha->fw_dump_len;
1718
1719         return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1720 }
1721
1722 static ssize_t
1723 qla2x00_allow_cna_fw_dump_show(struct device *dev,
1724         struct device_attribute *attr, char *buf)
1725 {
1726         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1727
1728         if (!IS_P3P_TYPE(vha->hw))
1729                 return scnprintf(buf, PAGE_SIZE, "\n");
1730         else
1731                 return scnprintf(buf, PAGE_SIZE, "%s\n",
1732                     vha->hw->allow_cna_fw_dump ? "true" : "false");
1733 }
1734
1735 static ssize_t
1736 qla2x00_allow_cna_fw_dump_store(struct device *dev,
1737         struct device_attribute *attr, const char *buf, size_t count)
1738 {
1739         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1740         int val = 0;
1741
1742         if (!IS_P3P_TYPE(vha->hw))
1743                 return -EINVAL;
1744
1745         if (sscanf(buf, "%d", &val) != 1)
1746                 return -EINVAL;
1747
1748         vha->hw->allow_cna_fw_dump = val != 0;
1749
1750         return strlen(buf);
1751 }
1752
1753 static ssize_t
1754 qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr,
1755         char *buf)
1756 {
1757         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1758         struct qla_hw_data *ha = vha->hw;
1759
1760         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1761                 return scnprintf(buf, PAGE_SIZE, "\n");
1762
1763         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1764             ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]);
1765 }
1766
1767 static ssize_t
1768 qla2x00_min_supported_speed_show(struct device *dev,
1769     struct device_attribute *attr, char *buf)
1770 {
1771         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1772         struct qla_hw_data *ha = vha->hw;
1773
1774         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1775                 return scnprintf(buf, PAGE_SIZE, "\n");
1776
1777         return scnprintf(buf, PAGE_SIZE, "%s\n",
1778             ha->min_supported_speed == 6 ? "64Gps" :
1779             ha->min_supported_speed == 5 ? "32Gps" :
1780             ha->min_supported_speed == 4 ? "16Gps" :
1781             ha->min_supported_speed == 3 ? "8Gps" :
1782             ha->min_supported_speed == 2 ? "4Gps" :
1783             ha->min_supported_speed != 0 ? "unknown" : "");
1784 }
1785
1786 static ssize_t
1787 qla2x00_max_supported_speed_show(struct device *dev,
1788     struct device_attribute *attr, char *buf)
1789 {
1790         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1791         struct qla_hw_data *ha = vha->hw;
1792
1793         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1794                 return scnprintf(buf, PAGE_SIZE, "\n");
1795
1796         return scnprintf(buf, PAGE_SIZE, "%s\n",
1797             ha->max_supported_speed  == 2 ? "64Gps" :
1798             ha->max_supported_speed  == 1 ? "32Gps" :
1799             ha->max_supported_speed  == 0 ? "16Gps" : "unknown");
1800 }
1801
1802 static ssize_t
1803 qla2x00_port_speed_store(struct device *dev, struct device_attribute *attr,
1804     const char *buf, size_t count)
1805 {
1806         struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
1807         ulong type, speed;
1808         int oldspeed, rval;
1809         int mode = QLA_SET_DATA_RATE_LR;
1810         struct qla_hw_data *ha = vha->hw;
1811
1812         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) {
1813                 ql_log(ql_log_warn, vha, 0x70d8,
1814                     "Speed setting not supported \n");
1815                 return -EINVAL;
1816         }
1817
1818         rval = kstrtol(buf, 10, &type);
1819         if (rval)
1820                 return rval;
1821         speed = type;
1822         if (type == 40 || type == 80 || type == 160 ||
1823             type == 320) {
1824                 ql_dbg(ql_dbg_user, vha, 0x70d9,
1825                     "Setting will be affected after a loss of sync\n");
1826                 type = type/10;
1827                 mode = QLA_SET_DATA_RATE_NOLR;
1828         }
1829
1830         oldspeed = ha->set_data_rate;
1831
1832         switch (type) {
1833         case 0:
1834                 ha->set_data_rate = PORT_SPEED_AUTO;
1835                 break;
1836         case 4:
1837                 ha->set_data_rate = PORT_SPEED_4GB;
1838                 break;
1839         case 8:
1840                 ha->set_data_rate = PORT_SPEED_8GB;
1841                 break;
1842         case 16:
1843                 ha->set_data_rate = PORT_SPEED_16GB;
1844                 break;
1845         case 32:
1846                 ha->set_data_rate = PORT_SPEED_32GB;
1847                 break;
1848         default:
1849                 ql_log(ql_log_warn, vha, 0x1199,
1850                     "Unrecognized speed setting:%lx. Setting Autoneg\n",
1851                     speed);
1852                 ha->set_data_rate = PORT_SPEED_AUTO;
1853         }
1854
1855         if (qla2x00_chip_is_down(vha) || (oldspeed == ha->set_data_rate))
1856                 return -EINVAL;
1857
1858         ql_log(ql_log_info, vha, 0x70da,
1859             "Setting speed to %lx Gbps \n", type);
1860
1861         rval = qla2x00_set_data_rate(vha, mode);
1862         if (rval != QLA_SUCCESS)
1863                 return -EIO;
1864
1865         return strlen(buf);
1866 }
1867
1868 static const struct {
1869         u16 rate;
1870         char *str;
1871 } port_speed_str[] = {
1872         { PORT_SPEED_4GB, "4" },
1873         { PORT_SPEED_8GB, "8" },
1874         { PORT_SPEED_16GB, "16" },
1875         { PORT_SPEED_32GB, "32" },
1876         { PORT_SPEED_64GB, "64" },
1877         { PORT_SPEED_10GB, "10" },
1878 };
1879
1880 static ssize_t
1881 qla2x00_port_speed_show(struct device *dev, struct device_attribute *attr,
1882     char *buf)
1883 {
1884         struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
1885         struct qla_hw_data *ha = vha->hw;
1886         ssize_t rval;
1887         u16 i;
1888         char *speed = "Unknown";
1889
1890         rval = qla2x00_get_data_rate(vha);
1891         if (rval != QLA_SUCCESS) {
1892                 ql_log(ql_log_warn, vha, 0x70db,
1893                     "Unable to get port speed rval:%zd\n", rval);
1894                 return -EINVAL;
1895         }
1896
1897         for (i = 0; i < ARRAY_SIZE(port_speed_str); i++) {
1898                 if (port_speed_str[i].rate != ha->link_data_rate)
1899                         continue;
1900                 speed = port_speed_str[i].str;
1901                 break;
1902         }
1903
1904         return scnprintf(buf, PAGE_SIZE, "%s\n", speed);
1905 }
1906
1907 static ssize_t
1908 qla2x00_mpi_pause_store(struct device *dev,
1909         struct device_attribute *attr, const char *buf, size_t count)
1910 {
1911         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1912         int rval = 0;
1913
1914         if (sscanf(buf, "%d", &rval) != 1)
1915                 return -EINVAL;
1916
1917         ql_log(ql_log_warn, vha, 0x7089, "Pausing MPI...\n");
1918
1919         rval = qla83xx_wr_reg(vha, 0x002012d4, 0x30000001);
1920
1921         if (rval != QLA_SUCCESS) {
1922                 ql_log(ql_log_warn, vha, 0x708a, "Unable to pause MPI.\n");
1923                 count = 0;
1924         }
1925
1926         return count;
1927 }
1928
1929 static DEVICE_ATTR(mpi_pause, S_IWUSR, NULL, qla2x00_mpi_pause_store);
1930
1931 /* ----- */
1932
1933 static ssize_t
1934 qlini_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
1935 {
1936         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1937         int len = 0;
1938
1939         len += scnprintf(buf + len, PAGE_SIZE-len,
1940             "Supported options: enabled | disabled | dual | exclusive\n");
1941
1942         /* --- */
1943         len += scnprintf(buf + len, PAGE_SIZE-len, "Current selection: ");
1944
1945         switch (vha->qlini_mode) {
1946         case QLA2XXX_INI_MODE_EXCLUSIVE:
1947                 len += scnprintf(buf + len, PAGE_SIZE-len,
1948                     QLA2XXX_INI_MODE_STR_EXCLUSIVE);
1949                 break;
1950         case QLA2XXX_INI_MODE_DISABLED:
1951                 len += scnprintf(buf + len, PAGE_SIZE-len,
1952                     QLA2XXX_INI_MODE_STR_DISABLED);
1953                 break;
1954         case QLA2XXX_INI_MODE_ENABLED:
1955                 len += scnprintf(buf + len, PAGE_SIZE-len,
1956                     QLA2XXX_INI_MODE_STR_ENABLED);
1957                 break;
1958         case QLA2XXX_INI_MODE_DUAL:
1959                 len += scnprintf(buf + len, PAGE_SIZE-len,
1960                     QLA2XXX_INI_MODE_STR_DUAL);
1961                 break;
1962         }
1963         len += scnprintf(buf + len, PAGE_SIZE-len, "\n");
1964
1965         return len;
1966 }
1967
1968 static char *mode_to_str[] = {
1969         "exclusive",
1970         "disabled",
1971         "enabled",
1972         "dual",
1973 };
1974
1975 #define NEED_EXCH_OFFLOAD(_exchg) ((_exchg) > FW_DEF_EXCHANGES_CNT)
1976 static void qla_set_ini_mode(scsi_qla_host_t *vha, int op)
1977 {
1978         enum {
1979                 NO_ACTION,
1980                 MODE_CHANGE_ACCEPT,
1981                 MODE_CHANGE_NO_ACTION,
1982                 TARGET_STILL_ACTIVE,
1983         };
1984         int action = NO_ACTION;
1985         int set_mode = 0;
1986         u8  eo_toggle = 0;      /* exchange offload flipped */
1987
1988         switch (vha->qlini_mode) {
1989         case QLA2XXX_INI_MODE_DISABLED:
1990                 switch (op) {
1991                 case QLA2XXX_INI_MODE_DISABLED:
1992                         if (qla_tgt_mode_enabled(vha)) {
1993                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1994                                     vha->hw->flags.exchoffld_enabled)
1995                                         eo_toggle = 1;
1996                                 if (((vha->ql2xexchoffld !=
1997                                     vha->u_ql2xexchoffld) &&
1998                                     NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1999                                     eo_toggle) {
2000                                         /*
2001                                          * The number of exchange to be offload
2002                                          * was tweaked or offload option was
2003                                          * flipped
2004                                          */
2005                                         action = MODE_CHANGE_ACCEPT;
2006                                 } else {
2007                                         action = MODE_CHANGE_NO_ACTION;
2008                                 }
2009                         } else {
2010                                 action = MODE_CHANGE_NO_ACTION;
2011                         }
2012                         break;
2013                 case QLA2XXX_INI_MODE_EXCLUSIVE:
2014                         if (qla_tgt_mode_enabled(vha)) {
2015                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
2016                                     vha->hw->flags.exchoffld_enabled)
2017                                         eo_toggle = 1;
2018                                 if (((vha->ql2xexchoffld !=
2019                                     vha->u_ql2xexchoffld) &&
2020                                     NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
2021                                     eo_toggle) {
2022                                         /*
2023                                          * The number of exchange to be offload
2024                                          * was tweaked or offload option was
2025                                          * flipped
2026                                          */
2027                                         action = MODE_CHANGE_ACCEPT;
2028                                 } else {
2029                                         action = MODE_CHANGE_NO_ACTION;
2030                                 }
2031                         } else {
2032                                 action = MODE_CHANGE_ACCEPT;
2033                         }
2034                         break;
2035                 case QLA2XXX_INI_MODE_DUAL:
2036                         action = MODE_CHANGE_ACCEPT;
2037                         /* active_mode is target only, reset it to dual */
2038                         if (qla_tgt_mode_enabled(vha)) {
2039                                 set_mode = 1;
2040                                 action = MODE_CHANGE_ACCEPT;
2041                         } else {
2042                                 action = MODE_CHANGE_NO_ACTION;
2043                         }
2044                         break;
2045
2046                 case QLA2XXX_INI_MODE_ENABLED:
2047                         if (qla_tgt_mode_enabled(vha))
2048                                 action = TARGET_STILL_ACTIVE;
2049                         else {
2050                                 action = MODE_CHANGE_ACCEPT;
2051                                 set_mode = 1;
2052                         }
2053                         break;
2054                 }
2055                 break;
2056
2057         case QLA2XXX_INI_MODE_EXCLUSIVE:
2058                 switch (op) {
2059                 case QLA2XXX_INI_MODE_EXCLUSIVE:
2060                         if (qla_tgt_mode_enabled(vha)) {
2061                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
2062                                     vha->hw->flags.exchoffld_enabled)
2063                                         eo_toggle = 1;
2064                                 if (((vha->ql2xexchoffld !=
2065                                     vha->u_ql2xexchoffld) &&
2066                                     NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
2067                                     eo_toggle)
2068                                         /*
2069                                          * The number of exchange to be offload
2070                                          * was tweaked or offload option was
2071                                          * flipped
2072                                          */
2073                                         action = MODE_CHANGE_ACCEPT;
2074                                 else
2075                                         action = NO_ACTION;
2076                         } else
2077                                 action = NO_ACTION;
2078
2079                         break;
2080
2081                 case QLA2XXX_INI_MODE_DISABLED:
2082                         if (qla_tgt_mode_enabled(vha)) {
2083                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
2084                                     vha->hw->flags.exchoffld_enabled)
2085                                         eo_toggle = 1;
2086                                 if (((vha->ql2xexchoffld !=
2087                                       vha->u_ql2xexchoffld) &&
2088                                     NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
2089                                     eo_toggle)
2090                                         action = MODE_CHANGE_ACCEPT;
2091                                 else
2092                                         action = MODE_CHANGE_NO_ACTION;
2093                         } else
2094                                 action = MODE_CHANGE_NO_ACTION;
2095                         break;
2096
2097                 case QLA2XXX_INI_MODE_DUAL: /* exclusive -> dual */
2098                         if (qla_tgt_mode_enabled(vha)) {
2099                                 action = MODE_CHANGE_ACCEPT;
2100                                 set_mode = 1;
2101                         } else
2102                                 action = MODE_CHANGE_ACCEPT;
2103                         break;
2104
2105                 case QLA2XXX_INI_MODE_ENABLED:
2106                         if (qla_tgt_mode_enabled(vha))
2107                                 action = TARGET_STILL_ACTIVE;
2108                         else {
2109                                 if (vha->hw->flags.fw_started)
2110                                         action = MODE_CHANGE_NO_ACTION;
2111                                 else
2112                                         action = MODE_CHANGE_ACCEPT;
2113                         }
2114                         break;
2115                 }
2116                 break;
2117
2118         case QLA2XXX_INI_MODE_ENABLED:
2119                 switch (op) {
2120                 case QLA2XXX_INI_MODE_ENABLED:
2121                         if (NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg) !=
2122                             vha->hw->flags.exchoffld_enabled)
2123                                 eo_toggle = 1;
2124                         if (((vha->ql2xiniexchg != vha->u_ql2xiniexchg) &&
2125                                 NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg)) ||
2126                             eo_toggle)
2127                                 action = MODE_CHANGE_ACCEPT;
2128                         else
2129                                 action = NO_ACTION;
2130                         break;
2131                 case QLA2XXX_INI_MODE_DUAL:
2132                 case QLA2XXX_INI_MODE_DISABLED:
2133                         action = MODE_CHANGE_ACCEPT;
2134                         break;
2135                 default:
2136                         action = MODE_CHANGE_NO_ACTION;
2137                         break;
2138                 }
2139                 break;
2140
2141         case QLA2XXX_INI_MODE_DUAL:
2142                 switch (op) {
2143                 case QLA2XXX_INI_MODE_DUAL:
2144                         if (qla_tgt_mode_enabled(vha) ||
2145                             qla_dual_mode_enabled(vha)) {
2146                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
2147                                         vha->u_ql2xiniexchg) !=
2148                                     vha->hw->flags.exchoffld_enabled)
2149                                         eo_toggle = 1;
2150
2151                                 if ((((vha->ql2xexchoffld +
2152                                        vha->ql2xiniexchg) !=
2153                                     (vha->u_ql2xiniexchg +
2154                                      vha->u_ql2xexchoffld)) &&
2155                                     NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
2156                                         vha->u_ql2xexchoffld)) || eo_toggle)
2157                                         action = MODE_CHANGE_ACCEPT;
2158                                 else
2159                                         action = NO_ACTION;
2160                         } else {
2161                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
2162                                         vha->u_ql2xiniexchg) !=
2163                                     vha->hw->flags.exchoffld_enabled)
2164                                         eo_toggle = 1;
2165
2166                                 if ((((vha->ql2xexchoffld + vha->ql2xiniexchg)
2167                                     != (vha->u_ql2xiniexchg +
2168                                         vha->u_ql2xexchoffld)) &&
2169                                     NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
2170                                         vha->u_ql2xexchoffld)) || eo_toggle)
2171                                         action = MODE_CHANGE_NO_ACTION;
2172                                 else
2173                                         action = NO_ACTION;
2174                         }
2175                         break;
2176
2177                 case QLA2XXX_INI_MODE_DISABLED:
2178                         if (qla_tgt_mode_enabled(vha) ||
2179                             qla_dual_mode_enabled(vha)) {
2180                                 /* turning off initiator mode */
2181                                 set_mode = 1;
2182                                 action = MODE_CHANGE_ACCEPT;
2183                         } else {
2184                                 action = MODE_CHANGE_NO_ACTION;
2185                         }
2186                         break;
2187
2188                 case QLA2XXX_INI_MODE_EXCLUSIVE:
2189                         if (qla_tgt_mode_enabled(vha) ||
2190                             qla_dual_mode_enabled(vha)) {
2191                                 set_mode = 1;
2192                                 action = MODE_CHANGE_ACCEPT;
2193                         } else {
2194                                 action = MODE_CHANGE_ACCEPT;
2195                         }
2196                         break;
2197
2198                 case QLA2XXX_INI_MODE_ENABLED:
2199                         if (qla_tgt_mode_enabled(vha) ||
2200                             qla_dual_mode_enabled(vha)) {
2201                                 action = TARGET_STILL_ACTIVE;
2202                         } else {
2203                                 action = MODE_CHANGE_ACCEPT;
2204                         }
2205                 }
2206                 break;
2207         }
2208
2209         switch (action) {
2210         case MODE_CHANGE_ACCEPT:
2211                 ql_log(ql_log_warn, vha, 0xffff,
2212                     "Mode change accepted. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
2213                     mode_to_str[vha->qlini_mode], mode_to_str[op],
2214                     vha->ql2xexchoffld, vha->u_ql2xexchoffld,
2215                     vha->ql2xiniexchg, vha->u_ql2xiniexchg);
2216
2217                 vha->qlini_mode = op;
2218                 vha->ql2xexchoffld = vha->u_ql2xexchoffld;
2219                 vha->ql2xiniexchg = vha->u_ql2xiniexchg;
2220                 if (set_mode)
2221                         qlt_set_mode(vha);
2222                 vha->flags.online = 1;
2223                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2224                 break;
2225
2226         case MODE_CHANGE_NO_ACTION:
2227                 ql_log(ql_log_warn, vha, 0xffff,
2228                     "Mode is set. No action taken. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
2229                     mode_to_str[vha->qlini_mode], mode_to_str[op],
2230                     vha->ql2xexchoffld, vha->u_ql2xexchoffld,
2231                     vha->ql2xiniexchg, vha->u_ql2xiniexchg);
2232                 vha->qlini_mode = op;
2233                 vha->ql2xexchoffld = vha->u_ql2xexchoffld;
2234                 vha->ql2xiniexchg = vha->u_ql2xiniexchg;
2235                 break;
2236
2237         case TARGET_STILL_ACTIVE:
2238                 ql_log(ql_log_warn, vha, 0xffff,
2239                     "Target Mode is active. Unable to change Mode.\n");
2240                 break;
2241
2242         case NO_ACTION:
2243         default:
2244                 ql_log(ql_log_warn, vha, 0xffff,
2245                     "Mode unchange. No action taken. %d|%d pct %d|%d.\n",
2246                     vha->qlini_mode, op,
2247                     vha->ql2xexchoffld, vha->u_ql2xexchoffld);
2248                 break;
2249         }
2250 }
2251
2252 static ssize_t
2253 qlini_mode_store(struct device *dev, struct device_attribute *attr,
2254     const char *buf, size_t count)
2255 {
2256         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2257         int ini;
2258
2259         if (!buf)
2260                 return -EINVAL;
2261
2262         if (strncasecmp(QLA2XXX_INI_MODE_STR_EXCLUSIVE, buf,
2263                 strlen(QLA2XXX_INI_MODE_STR_EXCLUSIVE)) == 0)
2264                 ini = QLA2XXX_INI_MODE_EXCLUSIVE;
2265         else if (strncasecmp(QLA2XXX_INI_MODE_STR_DISABLED, buf,
2266                 strlen(QLA2XXX_INI_MODE_STR_DISABLED)) == 0)
2267                 ini = QLA2XXX_INI_MODE_DISABLED;
2268         else if (strncasecmp(QLA2XXX_INI_MODE_STR_ENABLED, buf,
2269                   strlen(QLA2XXX_INI_MODE_STR_ENABLED)) == 0)
2270                 ini = QLA2XXX_INI_MODE_ENABLED;
2271         else if (strncasecmp(QLA2XXX_INI_MODE_STR_DUAL, buf,
2272                 strlen(QLA2XXX_INI_MODE_STR_DUAL)) == 0)
2273                 ini = QLA2XXX_INI_MODE_DUAL;
2274         else
2275                 return -EINVAL;
2276
2277         qla_set_ini_mode(vha, ini);
2278         return strlen(buf);
2279 }
2280
2281 static ssize_t
2282 ql2xexchoffld_show(struct device *dev, struct device_attribute *attr,
2283     char *buf)
2284 {
2285         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2286         int len = 0;
2287
2288         len += scnprintf(buf + len, PAGE_SIZE-len,
2289                 "target exchange: new %d : current: %d\n\n",
2290                 vha->u_ql2xexchoffld, vha->ql2xexchoffld);
2291
2292         len += scnprintf(buf + len, PAGE_SIZE-len,
2293             "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2294             vha->host_no);
2295
2296         return len;
2297 }
2298
2299 static ssize_t
2300 ql2xexchoffld_store(struct device *dev, struct device_attribute *attr,
2301     const char *buf, size_t count)
2302 {
2303         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2304         int val = 0;
2305
2306         if (sscanf(buf, "%d", &val) != 1)
2307                 return -EINVAL;
2308
2309         if (val > FW_MAX_EXCHANGES_CNT)
2310                 val = FW_MAX_EXCHANGES_CNT;
2311         else if (val < 0)
2312                 val = 0;
2313
2314         vha->u_ql2xexchoffld = val;
2315         return strlen(buf);
2316 }
2317
2318 static ssize_t
2319 ql2xiniexchg_show(struct device *dev, struct device_attribute *attr,
2320     char *buf)
2321 {
2322         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2323         int len = 0;
2324
2325         len += scnprintf(buf + len, PAGE_SIZE-len,
2326                 "target exchange: new %d : current: %d\n\n",
2327                 vha->u_ql2xiniexchg, vha->ql2xiniexchg);
2328
2329         len += scnprintf(buf + len, PAGE_SIZE-len,
2330             "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2331             vha->host_no);
2332
2333         return len;
2334 }
2335
2336 static ssize_t
2337 ql2xiniexchg_store(struct device *dev, struct device_attribute *attr,
2338     const char *buf, size_t count)
2339 {
2340         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2341         int val = 0;
2342
2343         if (sscanf(buf, "%d", &val) != 1)
2344                 return -EINVAL;
2345
2346         if (val > FW_MAX_EXCHANGES_CNT)
2347                 val = FW_MAX_EXCHANGES_CNT;
2348         else if (val < 0)
2349                 val = 0;
2350
2351         vha->u_ql2xiniexchg = val;
2352         return strlen(buf);
2353 }
2354
2355 static ssize_t
2356 qla2x00_dif_bundle_statistics_show(struct device *dev,
2357     struct device_attribute *attr, char *buf)
2358 {
2359         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2360         struct qla_hw_data *ha = vha->hw;
2361
2362         return scnprintf(buf, PAGE_SIZE,
2363             "cross=%llu read=%llu write=%llu kalloc=%llu dma_alloc=%llu unusable=%u\n",
2364             ha->dif_bundle_crossed_pages, ha->dif_bundle_reads,
2365             ha->dif_bundle_writes, ha->dif_bundle_kallocs,
2366             ha->dif_bundle_dma_allocs, ha->pool.unusable.count);
2367 }
2368
2369 static ssize_t
2370 qla2x00_fw_attr_show(struct device *dev,
2371     struct device_attribute *attr, char *buf)
2372 {
2373         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2374         struct qla_hw_data *ha = vha->hw;
2375
2376         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
2377                 return scnprintf(buf, PAGE_SIZE, "\n");
2378
2379         return scnprintf(buf, PAGE_SIZE, "%llx\n",
2380             (uint64_t)ha->fw_attributes_ext[1] << 48 |
2381             (uint64_t)ha->fw_attributes_ext[0] << 32 |
2382             (uint64_t)ha->fw_attributes_h << 16 |
2383             (uint64_t)ha->fw_attributes);
2384 }
2385
2386 static ssize_t
2387 qla2x00_port_no_show(struct device *dev, struct device_attribute *attr,
2388     char *buf)
2389 {
2390         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2391
2392         return scnprintf(buf, PAGE_SIZE, "%u\n", vha->hw->port_no);
2393 }
2394
2395 static ssize_t
2396 qla2x00_dport_diagnostics_show(struct device *dev,
2397         struct device_attribute *attr, char *buf)
2398 {
2399         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2400
2401         if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw) &&
2402             !IS_QLA28XX(vha->hw))
2403                 return scnprintf(buf, PAGE_SIZE, "\n");
2404
2405         if (!*vha->dport_data)
2406                 return scnprintf(buf, PAGE_SIZE, "\n");
2407
2408         return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
2409             vha->dport_data[0], vha->dport_data[1],
2410             vha->dport_data[2], vha->dport_data[3]);
2411 }
2412 static DEVICE_ATTR(dport_diagnostics, 0444,
2413            qla2x00_dport_diagnostics_show, NULL);
2414
2415 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_driver_version_show, NULL);
2416 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
2417 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
2418 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
2419 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
2420 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
2421 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
2422 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
2423 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
2424 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
2425 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
2426                    qla2x00_zio_timer_store);
2427 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
2428                    qla2x00_beacon_store);
2429 static DEVICE_ATTR(beacon_config, 0644, qla2x00_beacon_config_show,
2430                    qla2x00_beacon_config_store);
2431 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
2432                    qla2x00_optrom_bios_version_show, NULL);
2433 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
2434                    qla2x00_optrom_efi_version_show, NULL);
2435 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
2436                    qla2x00_optrom_fcode_version_show, NULL);
2437 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
2438                    NULL);
2439 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
2440     qla2x00_optrom_gold_fw_version_show, NULL);
2441 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
2442                    NULL);
2443 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
2444                    NULL);
2445 static DEVICE_ATTR(serdes_version, 0444, qla2x00_serdes_version_show, NULL);
2446 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
2447 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
2448 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
2449                    NULL);
2450 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
2451 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
2452                    qla2x00_vn_port_mac_address_show, NULL);
2453 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
2454 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
2455 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
2456 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
2457 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
2458 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
2459 static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
2460                    qla2x00_allow_cna_fw_dump_show,
2461                    qla2x00_allow_cna_fw_dump_store);
2462 static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL);
2463 static DEVICE_ATTR(min_supported_speed, 0444,
2464                    qla2x00_min_supported_speed_show, NULL);
2465 static DEVICE_ATTR(max_supported_speed, 0444,
2466                    qla2x00_max_supported_speed_show, NULL);
2467 static DEVICE_ATTR(zio_threshold, 0644,
2468     qla_zio_threshold_show,
2469     qla_zio_threshold_store);
2470 static DEVICE_ATTR_RW(qlini_mode);
2471 static DEVICE_ATTR_RW(ql2xexchoffld);
2472 static DEVICE_ATTR_RW(ql2xiniexchg);
2473 static DEVICE_ATTR(dif_bundle_statistics, 0444,
2474     qla2x00_dif_bundle_statistics_show, NULL);
2475 static DEVICE_ATTR(port_speed, 0644, qla2x00_port_speed_show,
2476     qla2x00_port_speed_store);
2477 static DEVICE_ATTR(port_no, 0444, qla2x00_port_no_show, NULL);
2478 static DEVICE_ATTR(fw_attr, 0444, qla2x00_fw_attr_show, NULL);
2479
2480 static struct attribute *qla2x00_host_attrs[] = {
2481         &dev_attr_driver_version.attr,
2482         &dev_attr_fw_version.attr,
2483         &dev_attr_serial_num.attr,
2484         &dev_attr_isp_name.attr,
2485         &dev_attr_isp_id.attr,
2486         &dev_attr_model_name.attr,
2487         &dev_attr_model_desc.attr,
2488         &dev_attr_pci_info.attr,
2489         &dev_attr_link_state.attr,
2490         &dev_attr_zio.attr,
2491         &dev_attr_zio_timer.attr,
2492         &dev_attr_beacon.attr,
2493         &dev_attr_beacon_config.attr,
2494         &dev_attr_optrom_bios_version.attr,
2495         &dev_attr_optrom_efi_version.attr,
2496         &dev_attr_optrom_fcode_version.attr,
2497         &dev_attr_optrom_fw_version.attr,
2498         &dev_attr_84xx_fw_version.attr,
2499         &dev_attr_total_isp_aborts.attr,
2500         &dev_attr_serdes_version.attr,
2501         &dev_attr_mpi_version.attr,
2502         &dev_attr_phy_version.attr,
2503         &dev_attr_flash_block_size.attr,
2504         &dev_attr_vlan_id.attr,
2505         &dev_attr_vn_port_mac_address.attr,
2506         &dev_attr_fabric_param.attr,
2507         &dev_attr_fw_state.attr,
2508         &dev_attr_optrom_gold_fw_version.attr,
2509         &dev_attr_thermal_temp.attr,
2510         &dev_attr_diag_requests.attr,
2511         &dev_attr_diag_megabytes.attr,
2512         &dev_attr_fw_dump_size.attr,
2513         &dev_attr_allow_cna_fw_dump.attr,
2514         &dev_attr_pep_version.attr,
2515         &dev_attr_min_supported_speed.attr,
2516         &dev_attr_max_supported_speed.attr,
2517         &dev_attr_zio_threshold.attr,
2518         &dev_attr_dif_bundle_statistics.attr,
2519         &dev_attr_port_speed.attr,
2520         &dev_attr_port_no.attr,
2521         &dev_attr_fw_attr.attr,
2522         &dev_attr_dport_diagnostics.attr,
2523         &dev_attr_mpi_pause.attr,
2524         &dev_attr_qlini_mode.attr,
2525         &dev_attr_ql2xiniexchg.attr,
2526         &dev_attr_ql2xexchoffld.attr,
2527         NULL,
2528 };
2529
2530 static umode_t qla_host_attr_is_visible(struct kobject *kobj,
2531                                         struct attribute *attr, int i)
2532 {
2533         if (ql2x_ini_mode != QLA2XXX_INI_MODE_DUAL &&
2534             (attr == &dev_attr_qlini_mode.attr ||
2535              attr == &dev_attr_ql2xiniexchg.attr ||
2536              attr == &dev_attr_ql2xexchoffld.attr))
2537                 return 0;
2538         return attr->mode;
2539 }
2540
2541 static const struct attribute_group qla2x00_host_attr_group = {
2542         .is_visible = qla_host_attr_is_visible,
2543         .attrs = qla2x00_host_attrs
2544 };
2545
2546 const struct attribute_group *qla2x00_host_groups[] = {
2547         &qla2x00_host_attr_group,
2548         NULL
2549 };
2550
2551 /* Host attributes. */
2552
2553 static void
2554 qla2x00_get_host_port_id(struct Scsi_Host *shost)
2555 {
2556         scsi_qla_host_t *vha = shost_priv(shost);
2557
2558         fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
2559             vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
2560 }
2561
2562 static void
2563 qla2x00_get_host_speed(struct Scsi_Host *shost)
2564 {
2565         scsi_qla_host_t *vha = shost_priv(shost);
2566         u32 speed;
2567
2568         if (IS_QLAFX00(vha->hw)) {
2569                 qlafx00_get_host_speed(shost);
2570                 return;
2571         }
2572
2573         switch (vha->hw->link_data_rate) {
2574         case PORT_SPEED_1GB:
2575                 speed = FC_PORTSPEED_1GBIT;
2576                 break;
2577         case PORT_SPEED_2GB:
2578                 speed = FC_PORTSPEED_2GBIT;
2579                 break;
2580         case PORT_SPEED_4GB:
2581                 speed = FC_PORTSPEED_4GBIT;
2582                 break;
2583         case PORT_SPEED_8GB:
2584                 speed = FC_PORTSPEED_8GBIT;
2585                 break;
2586         case PORT_SPEED_10GB:
2587                 speed = FC_PORTSPEED_10GBIT;
2588                 break;
2589         case PORT_SPEED_16GB:
2590                 speed = FC_PORTSPEED_16GBIT;
2591                 break;
2592         case PORT_SPEED_32GB:
2593                 speed = FC_PORTSPEED_32GBIT;
2594                 break;
2595         case PORT_SPEED_64GB:
2596                 speed = FC_PORTSPEED_64GBIT;
2597                 break;
2598         default:
2599                 speed = FC_PORTSPEED_UNKNOWN;
2600                 break;
2601         }
2602
2603         fc_host_speed(shost) = speed;
2604 }
2605
2606 static void
2607 qla2x00_get_host_port_type(struct Scsi_Host *shost)
2608 {
2609         scsi_qla_host_t *vha = shost_priv(shost);
2610         uint32_t port_type;
2611
2612         if (vha->vp_idx) {
2613                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
2614                 return;
2615         }
2616         switch (vha->hw->current_topology) {
2617         case ISP_CFG_NL:
2618                 port_type = FC_PORTTYPE_LPORT;
2619                 break;
2620         case ISP_CFG_FL:
2621                 port_type = FC_PORTTYPE_NLPORT;
2622                 break;
2623         case ISP_CFG_N:
2624                 port_type = FC_PORTTYPE_PTP;
2625                 break;
2626         case ISP_CFG_F:
2627                 port_type = FC_PORTTYPE_NPORT;
2628                 break;
2629         default:
2630                 port_type = FC_PORTTYPE_UNKNOWN;
2631                 break;
2632         }
2633
2634         fc_host_port_type(shost) = port_type;
2635 }
2636
2637 static void
2638 qla2x00_get_starget_node_name(struct scsi_target *starget)
2639 {
2640         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2641         scsi_qla_host_t *vha = shost_priv(host);
2642         fc_port_t *fcport;
2643         u64 node_name = 0;
2644
2645         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2646                 if (fcport->rport &&
2647                     starget->id == fcport->rport->scsi_target_id) {
2648                         node_name = wwn_to_u64(fcport->node_name);
2649                         break;
2650                 }
2651         }
2652
2653         fc_starget_node_name(starget) = node_name;
2654 }
2655
2656 static void
2657 qla2x00_get_starget_port_name(struct scsi_target *starget)
2658 {
2659         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2660         scsi_qla_host_t *vha = shost_priv(host);
2661         fc_port_t *fcport;
2662         u64 port_name = 0;
2663
2664         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2665                 if (fcport->rport &&
2666                     starget->id == fcport->rport->scsi_target_id) {
2667                         port_name = wwn_to_u64(fcport->port_name);
2668                         break;
2669                 }
2670         }
2671
2672         fc_starget_port_name(starget) = port_name;
2673 }
2674
2675 static void
2676 qla2x00_get_starget_port_id(struct scsi_target *starget)
2677 {
2678         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2679         scsi_qla_host_t *vha = shost_priv(host);
2680         fc_port_t *fcport;
2681         uint32_t port_id = ~0U;
2682
2683         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2684                 if (fcport->rport &&
2685                     starget->id == fcport->rport->scsi_target_id) {
2686                         port_id = fcport->d_id.b.domain << 16 |
2687                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2688                         break;
2689                 }
2690         }
2691
2692         fc_starget_port_id(starget) = port_id;
2693 }
2694
2695 static inline void
2696 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
2697 {
2698         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2699
2700         rport->dev_loss_tmo = timeout ? timeout : 1;
2701
2702         if (IS_ENABLED(CONFIG_NVME_FC) && fcport && fcport->nvme_remote_port)
2703                 nvme_fc_set_remoteport_devloss(fcport->nvme_remote_port,
2704                                                rport->dev_loss_tmo);
2705 }
2706
2707 static void
2708 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
2709 {
2710         struct Scsi_Host *host = rport_to_shost(rport);
2711         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2712         unsigned long flags;
2713
2714         if (!fcport)
2715                 return;
2716
2717         ql_dbg(ql_dbg_async, fcport->vha, 0x5101,
2718                DBG_FCPORT_PRFMT(fcport, "dev_loss_tmo expiry, rport_state=%d",
2719                                 rport->port_state));
2720
2721         /*
2722          * Now that the rport has been deleted, set the fcport state to
2723          * FCS_DEVICE_DEAD, if the fcport is still lost.
2724          */
2725         if (fcport->scan_state != QLA_FCPORT_FOUND)
2726                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
2727
2728         /*
2729          * Transport has effectively 'deleted' the rport, clear
2730          * all local references.
2731          */
2732         spin_lock_irqsave(host->host_lock, flags);
2733         /* Confirm port has not reappeared before clearing pointers. */
2734         if (rport->port_state != FC_PORTSTATE_ONLINE) {
2735                 fcport->rport = NULL;
2736                 *((fc_port_t **)rport->dd_data) = NULL;
2737         }
2738         spin_unlock_irqrestore(host->host_lock, flags);
2739
2740         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2741                 return;
2742
2743         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2744                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
2745                 return;
2746         }
2747 }
2748
2749 static void
2750 qla2x00_terminate_rport_io(struct fc_rport *rport)
2751 {
2752         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2753         scsi_qla_host_t *vha;
2754
2755         if (!fcport)
2756                 return;
2757
2758         if (test_bit(UNLOADING, &fcport->vha->dpc_flags))
2759                 return;
2760
2761         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2762                 return;
2763         vha = fcport->vha;
2764
2765         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2766                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
2767                 qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24,
2768                         0, WAIT_TARGET);
2769                 return;
2770         }
2771         /*
2772          * At this point all fcport's software-states are cleared.  Perform any
2773          * final cleanup of firmware resources (PCBs and XCBs).
2774          *
2775          * Attempt to cleanup only lost devices.
2776          */
2777         if (fcport->loop_id != FC_NO_LOOP_ID) {
2778                 if (IS_FWI2_CAPABLE(fcport->vha->hw) &&
2779                     fcport->scan_state != QLA_FCPORT_FOUND) {
2780                         if (fcport->loop_id != FC_NO_LOOP_ID)
2781                                 fcport->logout_on_delete = 1;
2782
2783                         if (!EDIF_NEGOTIATION_PENDING(fcport)) {
2784                                 ql_dbg(ql_dbg_disc, fcport->vha, 0x911e,
2785                                        "%s %d schedule session deletion\n", __func__,
2786                                        __LINE__);
2787                                 qlt_schedule_sess_for_deletion(fcport);
2788                         }
2789                 } else if (!IS_FWI2_CAPABLE(fcport->vha->hw)) {
2790                         qla2x00_port_logout(fcport->vha, fcport);
2791                 }
2792         }
2793
2794         /* check for any straggling io left behind */
2795         if (qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24, 0, WAIT_TARGET)) {
2796                 ql_log(ql_log_warn, vha, 0x300b,
2797                        "IO not return.  Resetting. \n");
2798                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2799                 qla2xxx_wake_dpc(vha);
2800                 qla2x00_wait_for_chip_reset(vha);
2801         }
2802 }
2803
2804 static int
2805 qla2x00_issue_lip(struct Scsi_Host *shost)
2806 {
2807         scsi_qla_host_t *vha = shost_priv(shost);
2808
2809         if (IS_QLAFX00(vha->hw))
2810                 return 0;
2811
2812         if (vha->hw->flags.port_isolated)
2813                 return 0;
2814
2815         qla2x00_loop_reset(vha);
2816         return 0;
2817 }
2818
2819 static struct fc_host_statistics *
2820 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
2821 {
2822         scsi_qla_host_t *vha = shost_priv(shost);
2823         struct qla_hw_data *ha = vha->hw;
2824         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2825         int rval;
2826         struct link_statistics *stats;
2827         dma_addr_t stats_dma;
2828         struct fc_host_statistics *p = &vha->fc_host_stat;
2829         struct qla_qpair *qpair;
2830         int i;
2831         u64 ib = 0, ob = 0, ir = 0, or = 0;
2832
2833         memset(p, -1, sizeof(*p));
2834
2835         if (IS_QLAFX00(vha->hw))
2836                 goto done;
2837
2838         if (test_bit(UNLOADING, &vha->dpc_flags))
2839                 goto done;
2840
2841         if (unlikely(pci_channel_offline(ha->pdev)))
2842                 goto done;
2843
2844         if (qla2x00_chip_is_down(vha))
2845                 goto done;
2846
2847         stats = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stats), &stats_dma,
2848                                    GFP_KERNEL);
2849         if (!stats) {
2850                 ql_log(ql_log_warn, vha, 0x707d,
2851                     "Failed to allocate memory for stats.\n");
2852                 goto done;
2853         }
2854
2855         rval = QLA_FUNCTION_FAILED;
2856         if (IS_FWI2_CAPABLE(ha)) {
2857                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0);
2858         } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
2859             !ha->dpc_active) {
2860                 /* Must be in a 'READY' state for statistics retrieval. */
2861                 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
2862                                                 stats, stats_dma);
2863         }
2864
2865         if (rval != QLA_SUCCESS)
2866                 goto done_free;
2867
2868         /* --- */
2869         for (i = 0; i < vha->hw->max_qpairs; i++) {
2870                 qpair = vha->hw->queue_pair_map[i];
2871                 if (!qpair)
2872                         continue;
2873                 ir += qpair->counters.input_requests;
2874                 or += qpair->counters.output_requests;
2875                 ib += qpair->counters.input_bytes;
2876                 ob += qpair->counters.output_bytes;
2877         }
2878         ir += ha->base_qpair->counters.input_requests;
2879         or += ha->base_qpair->counters.output_requests;
2880         ib += ha->base_qpair->counters.input_bytes;
2881         ob += ha->base_qpair->counters.output_bytes;
2882
2883         ir += vha->qla_stats.input_requests;
2884         or += vha->qla_stats.output_requests;
2885         ib += vha->qla_stats.input_bytes;
2886         ob += vha->qla_stats.output_bytes;
2887         /* --- */
2888
2889         p->link_failure_count = le32_to_cpu(stats->link_fail_cnt);
2890         p->loss_of_sync_count = le32_to_cpu(stats->loss_sync_cnt);
2891         p->loss_of_signal_count = le32_to_cpu(stats->loss_sig_cnt);
2892         p->prim_seq_protocol_err_count = le32_to_cpu(stats->prim_seq_err_cnt);
2893         p->invalid_tx_word_count = le32_to_cpu(stats->inval_xmit_word_cnt);
2894         p->invalid_crc_count = le32_to_cpu(stats->inval_crc_cnt);
2895         if (IS_FWI2_CAPABLE(ha)) {
2896                 p->lip_count = le32_to_cpu(stats->lip_cnt);
2897                 p->tx_frames = le32_to_cpu(stats->tx_frames);
2898                 p->rx_frames = le32_to_cpu(stats->rx_frames);
2899                 p->dumped_frames = le32_to_cpu(stats->discarded_frames);
2900                 p->nos_count = le32_to_cpu(stats->nos_rcvd);
2901                 p->error_frames =
2902                     le32_to_cpu(stats->dropped_frames) +
2903                     le32_to_cpu(stats->discarded_frames);
2904                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
2905                         p->rx_words = le64_to_cpu(stats->fpm_recv_word_cnt);
2906                         p->tx_words = le64_to_cpu(stats->fpm_xmit_word_cnt);
2907                 } else {
2908                         p->rx_words = ib >> 2;
2909                         p->tx_words = ob >> 2;
2910                 }
2911         }
2912
2913         p->fcp_control_requests = vha->qla_stats.control_requests;
2914         p->fcp_input_requests = ir;
2915         p->fcp_output_requests = or;
2916         p->fcp_input_megabytes  = ib >> 20;
2917         p->fcp_output_megabytes = ob >> 20;
2918         p->seconds_since_last_reset =
2919             get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
2920         do_div(p->seconds_since_last_reset, HZ);
2921
2922 done_free:
2923         dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics),
2924             stats, stats_dma);
2925 done:
2926         return p;
2927 }
2928
2929 static void
2930 qla2x00_reset_host_stats(struct Scsi_Host *shost)
2931 {
2932         scsi_qla_host_t *vha = shost_priv(shost);
2933         struct qla_hw_data *ha = vha->hw;
2934         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2935         struct link_statistics *stats;
2936         dma_addr_t stats_dma;
2937         int i;
2938         struct qla_qpair *qpair;
2939
2940         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2941         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2942         for (i = 0; i < vha->hw->max_qpairs; i++) {
2943                 qpair = vha->hw->queue_pair_map[i];
2944                 if (!qpair)
2945                         continue;
2946                 memset(&qpair->counters, 0, sizeof(qpair->counters));
2947         }
2948         memset(&ha->base_qpair->counters, 0, sizeof(qpair->counters));
2949
2950         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2951
2952         if (IS_FWI2_CAPABLE(ha)) {
2953                 int rval;
2954
2955                 stats = dma_alloc_coherent(&ha->pdev->dev,
2956                     sizeof(*stats), &stats_dma, GFP_KERNEL);
2957                 if (!stats) {
2958                         ql_log(ql_log_warn, vha, 0x70d7,
2959                             "Failed to allocate memory for stats.\n");
2960                         return;
2961                 }
2962
2963                 /* reset firmware statistics */
2964                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0);
2965                 if (rval != QLA_SUCCESS)
2966                         ql_log(ql_log_warn, vha, 0x70de,
2967                                "Resetting ISP statistics failed: rval = %d\n",
2968                                rval);
2969
2970                 dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
2971                     stats, stats_dma);
2972         }
2973 }
2974
2975 static void
2976 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
2977 {
2978         scsi_qla_host_t *vha = shost_priv(shost);
2979
2980         qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
2981             sizeof(fc_host_symbolic_name(shost)));
2982 }
2983
2984 static void
2985 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
2986 {
2987         scsi_qla_host_t *vha = shost_priv(shost);
2988
2989         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
2990 }
2991
2992 static void
2993 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
2994 {
2995         scsi_qla_host_t *vha = shost_priv(shost);
2996         static const uint8_t node_name[WWN_SIZE] = {
2997                 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
2998         };
2999         u64 fabric_name = wwn_to_u64(node_name);
3000
3001         if (vha->device_flags & SWITCH_FOUND)
3002                 fabric_name = wwn_to_u64(vha->fabric_node_name);
3003
3004         fc_host_fabric_name(shost) = fabric_name;
3005 }
3006
3007 static void
3008 qla2x00_get_host_port_state(struct Scsi_Host *shost)
3009 {
3010         scsi_qla_host_t *vha = shost_priv(shost);
3011         struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
3012
3013         if (!base_vha->flags.online) {
3014                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
3015                 return;
3016         }
3017
3018         switch (atomic_read(&base_vha->loop_state)) {
3019         case LOOP_UPDATE:
3020                 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
3021                 break;
3022         case LOOP_DOWN:
3023                 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
3024                         fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
3025                 else
3026                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
3027                 break;
3028         case LOOP_DEAD:
3029                 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
3030                 break;
3031         case LOOP_READY:
3032                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
3033                 break;
3034         default:
3035                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
3036                 break;
3037         }
3038 }
3039
3040 static int
3041 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
3042 {
3043         int     ret = 0;
3044         uint8_t qos = 0;
3045         scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
3046         scsi_qla_host_t *vha = NULL;
3047         struct qla_hw_data *ha = base_vha->hw;
3048         int     cnt;
3049         struct req_que *req = ha->req_q_map[0];
3050         struct qla_qpair *qpair;
3051
3052         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
3053         if (ret) {
3054                 ql_log(ql_log_warn, vha, 0x707e,
3055                     "Vport sanity check failed, status %x\n", ret);
3056                 return (ret);
3057         }
3058
3059         vha = qla24xx_create_vhost(fc_vport);
3060         if (vha == NULL) {
3061                 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
3062                 return FC_VPORT_FAILED;
3063         }
3064         if (disable) {
3065                 atomic_set(&vha->vp_state, VP_OFFLINE);
3066                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
3067         } else
3068                 atomic_set(&vha->vp_state, VP_FAILED);
3069
3070         /* ready to create vport */
3071         ql_log(ql_log_info, vha, 0x7080,
3072             "VP entry id %d assigned.\n", vha->vp_idx);
3073
3074         /* initialized vport states */
3075         atomic_set(&vha->loop_state, LOOP_DOWN);
3076         vha->vp_err_state = VP_ERR_PORTDWN;
3077         vha->vp_prev_err_state = VP_ERR_UNKWN;
3078         /* Check if physical ha port is Up */
3079         if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
3080             atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
3081                 /* Don't retry or attempt login of this virtual port */
3082                 ql_dbg(ql_dbg_user, vha, 0x7081,
3083                     "Vport loop state is not UP.\n");
3084                 atomic_set(&vha->loop_state, LOOP_DEAD);
3085                 if (!disable)
3086                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
3087         }
3088
3089         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3090                 if (ha->fw_attributes & BIT_4) {
3091                         int prot = 0, guard;
3092
3093                         vha->flags.difdix_supported = 1;
3094                         ql_dbg(ql_dbg_user, vha, 0x7082,
3095                             "Registered for DIF/DIX type 1 and 3 protection.\n");
3096                         scsi_host_set_prot(vha->host,
3097                             prot | SHOST_DIF_TYPE1_PROTECTION
3098                             | SHOST_DIF_TYPE2_PROTECTION
3099                             | SHOST_DIF_TYPE3_PROTECTION
3100                             | SHOST_DIX_TYPE1_PROTECTION
3101                             | SHOST_DIX_TYPE2_PROTECTION
3102                             | SHOST_DIX_TYPE3_PROTECTION);
3103
3104                         guard = SHOST_DIX_GUARD_CRC;
3105
3106                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
3107                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3108                                 guard |= SHOST_DIX_GUARD_IP;
3109
3110                         scsi_host_set_guard(vha->host, guard);
3111                 } else
3112                         vha->flags.difdix_supported = 0;
3113         }
3114
3115         if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
3116                                    &ha->pdev->dev)) {
3117                 ql_dbg(ql_dbg_user, vha, 0x7083,
3118                     "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
3119                 goto vport_create_failed_2;
3120         }
3121
3122         /* initialize attributes */
3123         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
3124         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
3125         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
3126         fc_host_supported_classes(vha->host) =
3127                 fc_host_supported_classes(base_vha->host);
3128         fc_host_supported_speeds(vha->host) =
3129                 fc_host_supported_speeds(base_vha->host);
3130
3131         qlt_vport_create(vha, ha);
3132         qla24xx_vport_disable(fc_vport, disable);
3133
3134         if (!ql2xmqsupport || !ha->npiv_info)
3135                 goto vport_queue;
3136
3137         /* Create a request queue in QoS mode for the vport */
3138         for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
3139                 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
3140                         && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
3141                                         8) == 0) {
3142                         qos = ha->npiv_info[cnt].q_qos;
3143                         break;
3144                 }
3145         }
3146
3147         if (qos) {
3148                 qpair = qla2xxx_create_qpair(vha, qos, vha->vp_idx, true);
3149                 if (!qpair)
3150                         ql_log(ql_log_warn, vha, 0x7084,
3151                             "Can't create qpair for VP[%d]\n",
3152                             vha->vp_idx);
3153                 else {
3154                         ql_dbg(ql_dbg_multiq, vha, 0xc001,
3155                             "Queue pair: %d Qos: %d) created for VP[%d]\n",
3156                             qpair->id, qos, vha->vp_idx);
3157                         ql_dbg(ql_dbg_user, vha, 0x7085,
3158                             "Queue Pair: %d Qos: %d) created for VP[%d]\n",
3159                             qpair->id, qos, vha->vp_idx);
3160                         req = qpair->req;
3161                         vha->qpair = qpair;
3162                 }
3163         }
3164
3165 vport_queue:
3166         vha->req = req;
3167         return 0;
3168
3169 vport_create_failed_2:
3170         qla24xx_disable_vp(vha);
3171         qla24xx_deallocate_vp_id(vha);
3172         scsi_host_put(vha->host);
3173         return FC_VPORT_FAILED;
3174 }
3175
3176 static int
3177 qla24xx_vport_delete(struct fc_vport *fc_vport)
3178 {
3179         scsi_qla_host_t *vha = fc_vport->dd_data;
3180         struct qla_hw_data *ha = vha->hw;
3181         uint16_t id = vha->vp_idx;
3182
3183         set_bit(VPORT_DELETE, &vha->dpc_flags);
3184
3185         while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
3186                 msleep(1000);
3187
3188
3189         qla24xx_disable_vp(vha);
3190         qla2x00_wait_for_sess_deletion(vha);
3191
3192         qla_nvme_delete(vha);
3193         qla_enode_stop(vha);
3194         qla_edb_stop(vha);
3195
3196         vha->flags.delete_progress = 1;
3197
3198         qlt_remove_target(ha, vha);
3199
3200         fc_remove_host(vha->host);
3201
3202         scsi_remove_host(vha->host);
3203
3204         /* Allow timer to run to drain queued items, when removing vp */
3205         qla24xx_deallocate_vp_id(vha);
3206
3207         if (vha->timer_active) {
3208                 qla2x00_vp_stop_timer(vha);
3209                 ql_dbg(ql_dbg_user, vha, 0x7086,
3210                     "Timer for the VP[%d] has stopped\n", vha->vp_idx);
3211         }
3212
3213         qla2x00_free_fcports(vha);
3214
3215         mutex_lock(&ha->vport_lock);
3216         ha->cur_vport_count--;
3217         clear_bit(vha->vp_idx, ha->vp_idx_map);
3218         mutex_unlock(&ha->vport_lock);
3219
3220         dma_free_coherent(&ha->pdev->dev, vha->gnl.size, vha->gnl.l,
3221             vha->gnl.ldma);
3222
3223         vha->gnl.l = NULL;
3224
3225         vfree(vha->scan.l);
3226
3227         if (vha->qpair && vha->qpair->vp_idx == vha->vp_idx) {
3228                 if (qla2xxx_delete_qpair(vha, vha->qpair) != QLA_SUCCESS)
3229                         ql_log(ql_log_warn, vha, 0x7087,
3230                             "Queue Pair delete failed.\n");
3231         }
3232
3233         ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
3234         scsi_host_put(vha->host);
3235         return 0;
3236 }
3237
3238 static int
3239 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
3240 {
3241         scsi_qla_host_t *vha = fc_vport->dd_data;
3242
3243         if (disable)
3244                 qla24xx_disable_vp(vha);
3245         else
3246                 qla24xx_enable_vp(vha);
3247
3248         return 0;
3249 }
3250
3251 struct fc_function_template qla2xxx_transport_functions = {
3252
3253         .show_host_node_name = 1,
3254         .show_host_port_name = 1,
3255         .show_host_supported_classes = 1,
3256         .show_host_supported_speeds = 1,
3257
3258         .get_host_port_id = qla2x00_get_host_port_id,
3259         .show_host_port_id = 1,
3260         .get_host_speed = qla2x00_get_host_speed,
3261         .show_host_speed = 1,
3262         .get_host_port_type = qla2x00_get_host_port_type,
3263         .show_host_port_type = 1,
3264         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
3265         .show_host_symbolic_name = 1,
3266         .set_host_system_hostname = qla2x00_set_host_system_hostname,
3267         .show_host_system_hostname = 1,
3268         .get_host_fabric_name = qla2x00_get_host_fabric_name,
3269         .show_host_fabric_name = 1,
3270         .get_host_port_state = qla2x00_get_host_port_state,
3271         .show_host_port_state = 1,
3272
3273         .dd_fcrport_size = sizeof(struct fc_port *),
3274         .show_rport_supported_classes = 1,
3275
3276         .get_starget_node_name = qla2x00_get_starget_node_name,
3277         .show_starget_node_name = 1,
3278         .get_starget_port_name = qla2x00_get_starget_port_name,
3279         .show_starget_port_name = 1,
3280         .get_starget_port_id  = qla2x00_get_starget_port_id,
3281         .show_starget_port_id = 1,
3282
3283         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
3284         .show_rport_dev_loss_tmo = 1,
3285
3286         .issue_fc_host_lip = qla2x00_issue_lip,
3287         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
3288         .terminate_rport_io = qla2x00_terminate_rport_io,
3289         .get_fc_host_stats = qla2x00_get_fc_host_stats,
3290         .reset_fc_host_stats = qla2x00_reset_host_stats,
3291
3292         .vport_create = qla24xx_vport_create,
3293         .vport_disable = qla24xx_vport_disable,
3294         .vport_delete = qla24xx_vport_delete,
3295         .bsg_request = qla24xx_bsg_request,
3296         .bsg_timeout = qla24xx_bsg_timeout,
3297 };
3298
3299 struct fc_function_template qla2xxx_transport_vport_functions = {
3300
3301         .show_host_node_name = 1,
3302         .show_host_port_name = 1,
3303         .show_host_supported_classes = 1,
3304
3305         .get_host_port_id = qla2x00_get_host_port_id,
3306         .show_host_port_id = 1,
3307         .get_host_speed = qla2x00_get_host_speed,
3308         .show_host_speed = 1,
3309         .get_host_port_type = qla2x00_get_host_port_type,
3310         .show_host_port_type = 1,
3311         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
3312         .show_host_symbolic_name = 1,
3313         .set_host_system_hostname = qla2x00_set_host_system_hostname,
3314         .show_host_system_hostname = 1,
3315         .get_host_fabric_name = qla2x00_get_host_fabric_name,
3316         .show_host_fabric_name = 1,
3317         .get_host_port_state = qla2x00_get_host_port_state,
3318         .show_host_port_state = 1,
3319
3320         .dd_fcrport_size = sizeof(struct fc_port *),
3321         .show_rport_supported_classes = 1,
3322
3323         .get_starget_node_name = qla2x00_get_starget_node_name,
3324         .show_starget_node_name = 1,
3325         .get_starget_port_name = qla2x00_get_starget_port_name,
3326         .show_starget_port_name = 1,
3327         .get_starget_port_id  = qla2x00_get_starget_port_id,
3328         .show_starget_port_id = 1,
3329
3330         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
3331         .show_rport_dev_loss_tmo = 1,
3332
3333         .issue_fc_host_lip = qla2x00_issue_lip,
3334         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
3335         .terminate_rport_io = qla2x00_terminate_rport_io,
3336         .get_fc_host_stats = qla2x00_get_fc_host_stats,
3337         .reset_fc_host_stats = qla2x00_reset_host_stats,
3338
3339         .bsg_request = qla24xx_bsg_request,
3340         .bsg_timeout = qla24xx_bsg_timeout,
3341 };
3342
3343 static uint
3344 qla2x00_get_host_supported_speeds(scsi_qla_host_t *vha, uint speeds)
3345 {
3346         uint supported_speeds = FC_PORTSPEED_UNKNOWN;
3347
3348         if (speeds & FDMI_PORT_SPEED_64GB)
3349                 supported_speeds |= FC_PORTSPEED_64GBIT;
3350         if (speeds & FDMI_PORT_SPEED_32GB)
3351                 supported_speeds |= FC_PORTSPEED_32GBIT;
3352         if (speeds & FDMI_PORT_SPEED_16GB)
3353                 supported_speeds |= FC_PORTSPEED_16GBIT;
3354         if (speeds & FDMI_PORT_SPEED_8GB)
3355                 supported_speeds |= FC_PORTSPEED_8GBIT;
3356         if (speeds & FDMI_PORT_SPEED_4GB)
3357                 supported_speeds |= FC_PORTSPEED_4GBIT;
3358         if (speeds & FDMI_PORT_SPEED_2GB)
3359                 supported_speeds |= FC_PORTSPEED_2GBIT;
3360         if (speeds & FDMI_PORT_SPEED_1GB)
3361                 supported_speeds |= FC_PORTSPEED_1GBIT;
3362
3363         return supported_speeds;
3364 }
3365
3366 void
3367 qla2x00_init_host_attr(scsi_qla_host_t *vha)
3368 {
3369         struct qla_hw_data *ha = vha->hw;
3370         u32 speeds = 0, fdmi_speed = 0;
3371
3372         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
3373         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
3374         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
3375         fc_host_supported_classes(vha->host) = ha->base_qpair->enable_class_2 ?
3376                         (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
3377         fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
3378         fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
3379
3380         fdmi_speed = qla25xx_fdmi_port_speed_capability(ha);
3381         speeds = qla2x00_get_host_supported_speeds(vha, fdmi_speed);
3382
3383         fc_host_supported_speeds(vha->host) = speeds;
3384 }