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_fw_version_show(struct device *dev,
1072                         struct device_attribute *attr, char *buf)
1073 {
1074         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1075         struct qla_hw_data *ha = vha->hw;
1076         char fw_str[128];
1077
1078         return scnprintf(buf, PAGE_SIZE, "%s\n",
1079             ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
1080 }
1081
1082 static ssize_t
1083 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
1084                         char *buf)
1085 {
1086         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1087         struct qla_hw_data *ha = vha->hw;
1088         uint32_t sn;
1089
1090         if (IS_QLAFX00(vha->hw)) {
1091                 return scnprintf(buf, PAGE_SIZE, "%s\n",
1092                     vha->hw->mr.serial_num);
1093         } else if (IS_FWI2_CAPABLE(ha)) {
1094                 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
1095                 return strlen(strcat(buf, "\n"));
1096         }
1097
1098         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1099         return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
1100             sn % 100000);
1101 }
1102
1103 static ssize_t
1104 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
1105                       char *buf)
1106 {
1107         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1108
1109         return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1110 }
1111
1112 static ssize_t
1113 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
1114                     char *buf)
1115 {
1116         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1117         struct qla_hw_data *ha = vha->hw;
1118
1119         if (IS_QLAFX00(vha->hw))
1120                 return scnprintf(buf, PAGE_SIZE, "%s\n",
1121                     vha->hw->mr.hw_version);
1122
1123         return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1124             ha->product_id[0], ha->product_id[1], ha->product_id[2],
1125             ha->product_id[3]);
1126 }
1127
1128 static ssize_t
1129 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1130                         char *buf)
1131 {
1132         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1133
1134         return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1135 }
1136
1137 static ssize_t
1138 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1139                         char *buf)
1140 {
1141         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1142
1143         return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_desc);
1144 }
1145
1146 static ssize_t
1147 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
1148                       char *buf)
1149 {
1150         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1151         char pci_info[30];
1152
1153         return scnprintf(buf, PAGE_SIZE, "%s\n",
1154                          vha->hw->isp_ops->pci_info_str(vha, pci_info,
1155                                                         sizeof(pci_info)));
1156 }
1157
1158 static ssize_t
1159 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1160                         char *buf)
1161 {
1162         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1163         struct qla_hw_data *ha = vha->hw;
1164         int len = 0;
1165
1166         if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1167             atomic_read(&vha->loop_state) == LOOP_DEAD ||
1168             vha->device_flags & DFLG_NO_CABLE)
1169                 len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1170         else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1171             qla2x00_chip_is_down(vha))
1172                 len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1173         else {
1174                 len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1175
1176                 switch (ha->current_topology) {
1177                 case ISP_CFG_NL:
1178                         len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1179                         break;
1180                 case ISP_CFG_FL:
1181                         len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1182                         break;
1183                 case ISP_CFG_N:
1184                         len += scnprintf(buf + len, PAGE_SIZE-len,
1185                             "N_Port to N_Port\n");
1186                         break;
1187                 case ISP_CFG_F:
1188                         len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1189                         break;
1190                 default:
1191                         len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1192                         break;
1193                 }
1194         }
1195         return len;
1196 }
1197
1198 static ssize_t
1199 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1200                  char *buf)
1201 {
1202         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1203         int len = 0;
1204
1205         switch (vha->hw->zio_mode) {
1206         case QLA_ZIO_MODE_6:
1207                 len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1208                 break;
1209         case QLA_ZIO_DISABLED:
1210                 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1211                 break;
1212         }
1213         return len;
1214 }
1215
1216 static ssize_t
1217 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1218                   const char *buf, size_t count)
1219 {
1220         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1221         struct qla_hw_data *ha = vha->hw;
1222         int val = 0;
1223         uint16_t zio_mode;
1224
1225         if (!IS_ZIO_SUPPORTED(ha))
1226                 return -ENOTSUPP;
1227
1228         if (sscanf(buf, "%d", &val) != 1)
1229                 return -EINVAL;
1230
1231         if (val)
1232                 zio_mode = QLA_ZIO_MODE_6;
1233         else
1234                 zio_mode = QLA_ZIO_DISABLED;
1235
1236         /* Update per-hba values and queue a reset. */
1237         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1238                 ha->zio_mode = zio_mode;
1239                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1240         }
1241         return strlen(buf);
1242 }
1243
1244 static ssize_t
1245 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1246                        char *buf)
1247 {
1248         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1249
1250         return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1251 }
1252
1253 static ssize_t
1254 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1255                         const char *buf, size_t count)
1256 {
1257         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1258         int val = 0;
1259         uint16_t zio_timer;
1260
1261         if (sscanf(buf, "%d", &val) != 1)
1262                 return -EINVAL;
1263         if (val > 25500 || val < 100)
1264                 return -ERANGE;
1265
1266         zio_timer = (uint16_t)(val / 100);
1267         vha->hw->zio_timer = zio_timer;
1268
1269         return strlen(buf);
1270 }
1271
1272 static ssize_t
1273 qla_zio_threshold_show(struct device *dev, struct device_attribute *attr,
1274                        char *buf)
1275 {
1276         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1277
1278         return scnprintf(buf, PAGE_SIZE, "%d exchanges\n",
1279             vha->hw->last_zio_threshold);
1280 }
1281
1282 static ssize_t
1283 qla_zio_threshold_store(struct device *dev, struct device_attribute *attr,
1284     const char *buf, size_t count)
1285 {
1286         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1287         int val = 0;
1288
1289         if (vha->hw->zio_mode != QLA_ZIO_MODE_6)
1290                 return -EINVAL;
1291         if (sscanf(buf, "%d", &val) != 1)
1292                 return -EINVAL;
1293         if (val < 0 || val > 256)
1294                 return -ERANGE;
1295
1296         atomic_set(&vha->hw->zio_threshold, val);
1297         return strlen(buf);
1298 }
1299
1300 static ssize_t
1301 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1302                     char *buf)
1303 {
1304         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1305         int len = 0;
1306
1307         if (vha->hw->beacon_blink_led)
1308                 len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1309         else
1310                 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1311         return len;
1312 }
1313
1314 static ssize_t
1315 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1316                      const char *buf, size_t count)
1317 {
1318         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1319         struct qla_hw_data *ha = vha->hw;
1320         int val = 0;
1321         int rval;
1322
1323         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1324                 return -EPERM;
1325
1326         if (sscanf(buf, "%d", &val) != 1)
1327                 return -EINVAL;
1328
1329         mutex_lock(&vha->hw->optrom_mutex);
1330         if (qla2x00_chip_is_down(vha)) {
1331                 mutex_unlock(&vha->hw->optrom_mutex);
1332                 ql_log(ql_log_warn, vha, 0x707a,
1333                     "Abort ISP active -- ignoring beacon request.\n");
1334                 return -EBUSY;
1335         }
1336
1337         if (val)
1338                 rval = ha->isp_ops->beacon_on(vha);
1339         else
1340                 rval = ha->isp_ops->beacon_off(vha);
1341
1342         if (rval != QLA_SUCCESS)
1343                 count = 0;
1344
1345         mutex_unlock(&vha->hw->optrom_mutex);
1346
1347         return count;
1348 }
1349
1350 static ssize_t
1351 qla2x00_beacon_config_show(struct device *dev, struct device_attribute *attr,
1352         char *buf)
1353 {
1354         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1355         struct qla_hw_data *ha = vha->hw;
1356         uint16_t led[3] = { 0 };
1357
1358         if (!IS_QLA2031(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1359                 return -EPERM;
1360
1361         if (ql26xx_led_config(vha, 0, led))
1362                 return scnprintf(buf, PAGE_SIZE, "\n");
1363
1364         return scnprintf(buf, PAGE_SIZE, "%#04hx %#04hx %#04hx\n",
1365             led[0], led[1], led[2]);
1366 }
1367
1368 static ssize_t
1369 qla2x00_beacon_config_store(struct device *dev, struct device_attribute *attr,
1370         const char *buf, size_t count)
1371 {
1372         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1373         struct qla_hw_data *ha = vha->hw;
1374         uint16_t options = BIT_0;
1375         uint16_t led[3] = { 0 };
1376         uint16_t word[4];
1377         int n;
1378
1379         if (!IS_QLA2031(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1380                 return -EPERM;
1381
1382         n = sscanf(buf, "%hx %hx %hx %hx", word+0, word+1, word+2, word+3);
1383         if (n == 4) {
1384                 if (word[0] == 3) {
1385                         options |= BIT_3|BIT_2|BIT_1;
1386                         led[0] = word[1];
1387                         led[1] = word[2];
1388                         led[2] = word[3];
1389                         goto write;
1390                 }
1391                 return -EINVAL;
1392         }
1393
1394         if (n == 2) {
1395                 /* check led index */
1396                 if (word[0] == 0) {
1397                         options |= BIT_2;
1398                         led[0] = word[1];
1399                         goto write;
1400                 }
1401                 if (word[0] == 1) {
1402                         options |= BIT_3;
1403                         led[1] = word[1];
1404                         goto write;
1405                 }
1406                 if (word[0] == 2) {
1407                         options |= BIT_1;
1408                         led[2] = word[1];
1409                         goto write;
1410                 }
1411                 return -EINVAL;
1412         }
1413
1414         return -EINVAL;
1415
1416 write:
1417         if (ql26xx_led_config(vha, options, led))
1418                 return -EFAULT;
1419
1420         return count;
1421 }
1422
1423 static ssize_t
1424 qla2x00_optrom_bios_version_show(struct device *dev,
1425                                  struct device_attribute *attr, char *buf)
1426 {
1427         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1428         struct qla_hw_data *ha = vha->hw;
1429
1430         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1431             ha->bios_revision[0]);
1432 }
1433
1434 static ssize_t
1435 qla2x00_optrom_efi_version_show(struct device *dev,
1436                                 struct device_attribute *attr, char *buf)
1437 {
1438         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1439         struct qla_hw_data *ha = vha->hw;
1440
1441         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1442             ha->efi_revision[0]);
1443 }
1444
1445 static ssize_t
1446 qla2x00_optrom_fcode_version_show(struct device *dev,
1447                                   struct device_attribute *attr, char *buf)
1448 {
1449         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1450         struct qla_hw_data *ha = vha->hw;
1451
1452         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1453             ha->fcode_revision[0]);
1454 }
1455
1456 static ssize_t
1457 qla2x00_optrom_fw_version_show(struct device *dev,
1458                                struct device_attribute *attr, char *buf)
1459 {
1460         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1461         struct qla_hw_data *ha = vha->hw;
1462
1463         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1464             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1465             ha->fw_revision[3]);
1466 }
1467
1468 static ssize_t
1469 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1470     struct device_attribute *attr, char *buf)
1471 {
1472         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1473         struct qla_hw_data *ha = vha->hw;
1474
1475         if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1476             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1477                 return scnprintf(buf, PAGE_SIZE, "\n");
1478
1479         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1480             ha->gold_fw_version[0], ha->gold_fw_version[1],
1481             ha->gold_fw_version[2], ha->gold_fw_version[3]);
1482 }
1483
1484 static ssize_t
1485 qla2x00_total_isp_aborts_show(struct device *dev,
1486                               struct device_attribute *attr, char *buf)
1487 {
1488         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1489
1490         return scnprintf(buf, PAGE_SIZE, "%d\n",
1491             vha->qla_stats.total_isp_aborts);
1492 }
1493
1494 static ssize_t
1495 qla24xx_84xx_fw_version_show(struct device *dev,
1496         struct device_attribute *attr, char *buf)
1497 {
1498         int rval = QLA_SUCCESS;
1499         uint16_t status[2] = { 0 };
1500         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1501         struct qla_hw_data *ha = vha->hw;
1502
1503         if (!IS_QLA84XX(ha))
1504                 return scnprintf(buf, PAGE_SIZE, "\n");
1505
1506         if (!ha->cs84xx->op_fw_version) {
1507                 rval = qla84xx_verify_chip(vha, status);
1508
1509                 if (!rval && !status[0])
1510                         return scnprintf(buf, PAGE_SIZE, "%u\n",
1511                             (uint32_t)ha->cs84xx->op_fw_version);
1512         }
1513
1514         return scnprintf(buf, PAGE_SIZE, "\n");
1515 }
1516
1517 static ssize_t
1518 qla2x00_serdes_version_show(struct device *dev, struct device_attribute *attr,
1519     char *buf)
1520 {
1521         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1522         struct qla_hw_data *ha = vha->hw;
1523
1524         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1525                 return scnprintf(buf, PAGE_SIZE, "\n");
1526
1527         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1528             ha->serdes_version[0], ha->serdes_version[1],
1529             ha->serdes_version[2]);
1530 }
1531
1532 static ssize_t
1533 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1534     char *buf)
1535 {
1536         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1537         struct qla_hw_data *ha = vha->hw;
1538
1539         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha) &&
1540             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1541                 return scnprintf(buf, PAGE_SIZE, "\n");
1542
1543         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1544             ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1545             ha->mpi_capabilities);
1546 }
1547
1548 static ssize_t
1549 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1550     char *buf)
1551 {
1552         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1553         struct qla_hw_data *ha = vha->hw;
1554
1555         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1556                 return scnprintf(buf, PAGE_SIZE, "\n");
1557
1558         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1559             ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1560 }
1561
1562 static ssize_t
1563 qla2x00_flash_block_size_show(struct device *dev,
1564                               struct device_attribute *attr, char *buf)
1565 {
1566         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1567         struct qla_hw_data *ha = vha->hw;
1568
1569         return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1570 }
1571
1572 static ssize_t
1573 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1574     char *buf)
1575 {
1576         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1577
1578         if (!IS_CNA_CAPABLE(vha->hw))
1579                 return scnprintf(buf, PAGE_SIZE, "\n");
1580
1581         return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1582 }
1583
1584 static ssize_t
1585 qla2x00_vn_port_mac_address_show(struct device *dev,
1586     struct device_attribute *attr, char *buf)
1587 {
1588         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1589
1590         if (!IS_CNA_CAPABLE(vha->hw))
1591                 return scnprintf(buf, PAGE_SIZE, "\n");
1592
1593         return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1594 }
1595
1596 static ssize_t
1597 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1598     char *buf)
1599 {
1600         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1601
1602         return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1603 }
1604
1605 static ssize_t
1606 qla2x00_thermal_temp_show(struct device *dev,
1607         struct device_attribute *attr, char *buf)
1608 {
1609         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1610         uint16_t temp = 0;
1611         int rc;
1612
1613         mutex_lock(&vha->hw->optrom_mutex);
1614         if (qla2x00_chip_is_down(vha)) {
1615                 mutex_unlock(&vha->hw->optrom_mutex);
1616                 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1617                 goto done;
1618         }
1619
1620         if (vha->hw->flags.eeh_busy) {
1621                 mutex_unlock(&vha->hw->optrom_mutex);
1622                 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1623                 goto done;
1624         }
1625
1626         rc = qla2x00_get_thermal_temp(vha, &temp);
1627         mutex_unlock(&vha->hw->optrom_mutex);
1628         if (rc == QLA_SUCCESS)
1629                 return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1630
1631 done:
1632         return scnprintf(buf, PAGE_SIZE, "\n");
1633 }
1634
1635 static ssize_t
1636 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1637     char *buf)
1638 {
1639         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1640         int rval = QLA_FUNCTION_FAILED;
1641         uint16_t state[6];
1642         uint32_t pstate;
1643
1644         if (IS_QLAFX00(vha->hw)) {
1645                 pstate = qlafx00_fw_state_show(dev, attr, buf);
1646                 return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1647         }
1648
1649         mutex_lock(&vha->hw->optrom_mutex);
1650         if (qla2x00_chip_is_down(vha)) {
1651                 mutex_unlock(&vha->hw->optrom_mutex);
1652                 ql_log(ql_log_warn, vha, 0x707c,
1653                     "ISP reset active.\n");
1654                 goto out;
1655         } else if (vha->hw->flags.eeh_busy) {
1656                 mutex_unlock(&vha->hw->optrom_mutex);
1657                 goto out;
1658         }
1659
1660         rval = qla2x00_get_firmware_state(vha, state);
1661         mutex_unlock(&vha->hw->optrom_mutex);
1662 out:
1663         if (rval != QLA_SUCCESS) {
1664                 memset(state, -1, sizeof(state));
1665                 rval = qla2x00_get_firmware_state(vha, state);
1666         }
1667
1668         return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1669             state[0], state[1], state[2], state[3], state[4], state[5]);
1670 }
1671
1672 static ssize_t
1673 qla2x00_diag_requests_show(struct device *dev,
1674         struct device_attribute *attr, char *buf)
1675 {
1676         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1677
1678         if (!IS_BIDI_CAPABLE(vha->hw))
1679                 return scnprintf(buf, PAGE_SIZE, "\n");
1680
1681         return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1682 }
1683
1684 static ssize_t
1685 qla2x00_diag_megabytes_show(struct device *dev,
1686         struct device_attribute *attr, char *buf)
1687 {
1688         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1689
1690         if (!IS_BIDI_CAPABLE(vha->hw))
1691                 return scnprintf(buf, PAGE_SIZE, "\n");
1692
1693         return scnprintf(buf, PAGE_SIZE, "%llu\n",
1694             vha->bidi_stats.transfer_bytes >> 20);
1695 }
1696
1697 static ssize_t
1698 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1699         char *buf)
1700 {
1701         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1702         struct qla_hw_data *ha = vha->hw;
1703         uint32_t size;
1704
1705         if (!ha->fw_dumped)
1706                 size = 0;
1707         else if (IS_P3P_TYPE(ha))
1708                 size = ha->md_template_size + ha->md_dump_size;
1709         else
1710                 size = ha->fw_dump_len;
1711
1712         return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1713 }
1714
1715 static ssize_t
1716 qla2x00_allow_cna_fw_dump_show(struct device *dev,
1717         struct device_attribute *attr, char *buf)
1718 {
1719         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1720
1721         if (!IS_P3P_TYPE(vha->hw))
1722                 return scnprintf(buf, PAGE_SIZE, "\n");
1723         else
1724                 return scnprintf(buf, PAGE_SIZE, "%s\n",
1725                     vha->hw->allow_cna_fw_dump ? "true" : "false");
1726 }
1727
1728 static ssize_t
1729 qla2x00_allow_cna_fw_dump_store(struct device *dev,
1730         struct device_attribute *attr, const char *buf, size_t count)
1731 {
1732         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1733         int val = 0;
1734
1735         if (!IS_P3P_TYPE(vha->hw))
1736                 return -EINVAL;
1737
1738         if (sscanf(buf, "%d", &val) != 1)
1739                 return -EINVAL;
1740
1741         vha->hw->allow_cna_fw_dump = val != 0;
1742
1743         return strlen(buf);
1744 }
1745
1746 static ssize_t
1747 qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr,
1748         char *buf)
1749 {
1750         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1751         struct qla_hw_data *ha = vha->hw;
1752
1753         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1754                 return scnprintf(buf, PAGE_SIZE, "\n");
1755
1756         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1757             ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]);
1758 }
1759
1760 static ssize_t
1761 qla2x00_min_supported_speed_show(struct device *dev,
1762     struct device_attribute *attr, char *buf)
1763 {
1764         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1765         struct qla_hw_data *ha = vha->hw;
1766
1767         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1768                 return scnprintf(buf, PAGE_SIZE, "\n");
1769
1770         return scnprintf(buf, PAGE_SIZE, "%s\n",
1771             ha->min_supported_speed == 6 ? "64Gps" :
1772             ha->min_supported_speed == 5 ? "32Gps" :
1773             ha->min_supported_speed == 4 ? "16Gps" :
1774             ha->min_supported_speed == 3 ? "8Gps" :
1775             ha->min_supported_speed == 2 ? "4Gps" :
1776             ha->min_supported_speed != 0 ? "unknown" : "");
1777 }
1778
1779 static ssize_t
1780 qla2x00_max_supported_speed_show(struct device *dev,
1781     struct device_attribute *attr, char *buf)
1782 {
1783         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1784         struct qla_hw_data *ha = vha->hw;
1785
1786         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1787                 return scnprintf(buf, PAGE_SIZE, "\n");
1788
1789         return scnprintf(buf, PAGE_SIZE, "%s\n",
1790             ha->max_supported_speed  == 2 ? "64Gps" :
1791             ha->max_supported_speed  == 1 ? "32Gps" :
1792             ha->max_supported_speed  == 0 ? "16Gps" : "unknown");
1793 }
1794
1795 static ssize_t
1796 qla2x00_port_speed_store(struct device *dev, struct device_attribute *attr,
1797     const char *buf, size_t count)
1798 {
1799         struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
1800         ulong type, speed;
1801         int oldspeed, rval;
1802         int mode = QLA_SET_DATA_RATE_LR;
1803         struct qla_hw_data *ha = vha->hw;
1804
1805         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) {
1806                 ql_log(ql_log_warn, vha, 0x70d8,
1807                     "Speed setting not supported \n");
1808                 return -EINVAL;
1809         }
1810
1811         rval = kstrtol(buf, 10, &type);
1812         if (rval)
1813                 return rval;
1814         speed = type;
1815         if (type == 40 || type == 80 || type == 160 ||
1816             type == 320) {
1817                 ql_dbg(ql_dbg_user, vha, 0x70d9,
1818                     "Setting will be affected after a loss of sync\n");
1819                 type = type/10;
1820                 mode = QLA_SET_DATA_RATE_NOLR;
1821         }
1822
1823         oldspeed = ha->set_data_rate;
1824
1825         switch (type) {
1826         case 0:
1827                 ha->set_data_rate = PORT_SPEED_AUTO;
1828                 break;
1829         case 4:
1830                 ha->set_data_rate = PORT_SPEED_4GB;
1831                 break;
1832         case 8:
1833                 ha->set_data_rate = PORT_SPEED_8GB;
1834                 break;
1835         case 16:
1836                 ha->set_data_rate = PORT_SPEED_16GB;
1837                 break;
1838         case 32:
1839                 ha->set_data_rate = PORT_SPEED_32GB;
1840                 break;
1841         default:
1842                 ql_log(ql_log_warn, vha, 0x1199,
1843                     "Unrecognized speed setting:%lx. Setting Autoneg\n",
1844                     speed);
1845                 ha->set_data_rate = PORT_SPEED_AUTO;
1846         }
1847
1848         if (qla2x00_chip_is_down(vha) || (oldspeed == ha->set_data_rate))
1849                 return -EINVAL;
1850
1851         ql_log(ql_log_info, vha, 0x70da,
1852             "Setting speed to %lx Gbps \n", type);
1853
1854         rval = qla2x00_set_data_rate(vha, mode);
1855         if (rval != QLA_SUCCESS)
1856                 return -EIO;
1857
1858         return strlen(buf);
1859 }
1860
1861 static const struct {
1862         u16 rate;
1863         char *str;
1864 } port_speed_str[] = {
1865         { PORT_SPEED_4GB, "4" },
1866         { PORT_SPEED_8GB, "8" },
1867         { PORT_SPEED_16GB, "16" },
1868         { PORT_SPEED_32GB, "32" },
1869         { PORT_SPEED_64GB, "64" },
1870         { PORT_SPEED_10GB, "10" },
1871 };
1872
1873 static ssize_t
1874 qla2x00_port_speed_show(struct device *dev, struct device_attribute *attr,
1875     char *buf)
1876 {
1877         struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
1878         struct qla_hw_data *ha = vha->hw;
1879         ssize_t rval;
1880         u16 i;
1881         char *speed = "Unknown";
1882
1883         rval = qla2x00_get_data_rate(vha);
1884         if (rval != QLA_SUCCESS) {
1885                 ql_log(ql_log_warn, vha, 0x70db,
1886                     "Unable to get port speed rval:%zd\n", rval);
1887                 return -EINVAL;
1888         }
1889
1890         for (i = 0; i < ARRAY_SIZE(port_speed_str); i++) {
1891                 if (port_speed_str[i].rate != ha->link_data_rate)
1892                         continue;
1893                 speed = port_speed_str[i].str;
1894                 break;
1895         }
1896
1897         return scnprintf(buf, PAGE_SIZE, "%s\n", speed);
1898 }
1899
1900 static ssize_t
1901 qla2x00_mpi_pause_store(struct device *dev,
1902         struct device_attribute *attr, const char *buf, size_t count)
1903 {
1904         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1905         int rval = 0;
1906
1907         if (sscanf(buf, "%d", &rval) != 1)
1908                 return -EINVAL;
1909
1910         ql_log(ql_log_warn, vha, 0x7089, "Pausing MPI...\n");
1911
1912         rval = qla83xx_wr_reg(vha, 0x002012d4, 0x30000001);
1913
1914         if (rval != QLA_SUCCESS) {
1915                 ql_log(ql_log_warn, vha, 0x708a, "Unable to pause MPI.\n");
1916                 count = 0;
1917         }
1918
1919         return count;
1920 }
1921
1922 static DEVICE_ATTR(mpi_pause, S_IWUSR, NULL, qla2x00_mpi_pause_store);
1923
1924 /* ----- */
1925
1926 static ssize_t
1927 qlini_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
1928 {
1929         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1930         int len = 0;
1931
1932         len += scnprintf(buf + len, PAGE_SIZE-len,
1933             "Supported options: enabled | disabled | dual | exclusive\n");
1934
1935         /* --- */
1936         len += scnprintf(buf + len, PAGE_SIZE-len, "Current selection: ");
1937
1938         switch (vha->qlini_mode) {
1939         case QLA2XXX_INI_MODE_EXCLUSIVE:
1940                 len += scnprintf(buf + len, PAGE_SIZE-len,
1941                     QLA2XXX_INI_MODE_STR_EXCLUSIVE);
1942                 break;
1943         case QLA2XXX_INI_MODE_DISABLED:
1944                 len += scnprintf(buf + len, PAGE_SIZE-len,
1945                     QLA2XXX_INI_MODE_STR_DISABLED);
1946                 break;
1947         case QLA2XXX_INI_MODE_ENABLED:
1948                 len += scnprintf(buf + len, PAGE_SIZE-len,
1949                     QLA2XXX_INI_MODE_STR_ENABLED);
1950                 break;
1951         case QLA2XXX_INI_MODE_DUAL:
1952                 len += scnprintf(buf + len, PAGE_SIZE-len,
1953                     QLA2XXX_INI_MODE_STR_DUAL);
1954                 break;
1955         }
1956         len += scnprintf(buf + len, PAGE_SIZE-len, "\n");
1957
1958         return len;
1959 }
1960
1961 static char *mode_to_str[] = {
1962         "exclusive",
1963         "disabled",
1964         "enabled",
1965         "dual",
1966 };
1967
1968 #define NEED_EXCH_OFFLOAD(_exchg) ((_exchg) > FW_DEF_EXCHANGES_CNT)
1969 static void qla_set_ini_mode(scsi_qla_host_t *vha, int op)
1970 {
1971         enum {
1972                 NO_ACTION,
1973                 MODE_CHANGE_ACCEPT,
1974                 MODE_CHANGE_NO_ACTION,
1975                 TARGET_STILL_ACTIVE,
1976         };
1977         int action = NO_ACTION;
1978         int set_mode = 0;
1979         u8  eo_toggle = 0;      /* exchange offload flipped */
1980
1981         switch (vha->qlini_mode) {
1982         case QLA2XXX_INI_MODE_DISABLED:
1983                 switch (op) {
1984                 case QLA2XXX_INI_MODE_DISABLED:
1985                         if (qla_tgt_mode_enabled(vha)) {
1986                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1987                                     vha->hw->flags.exchoffld_enabled)
1988                                         eo_toggle = 1;
1989                                 if (((vha->ql2xexchoffld !=
1990                                     vha->u_ql2xexchoffld) &&
1991                                     NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1992                                     eo_toggle) {
1993                                         /*
1994                                          * The number of exchange to be offload
1995                                          * was tweaked or offload option was
1996                                          * flipped
1997                                          */
1998                                         action = MODE_CHANGE_ACCEPT;
1999                                 } else {
2000                                         action = MODE_CHANGE_NO_ACTION;
2001                                 }
2002                         } else {
2003                                 action = MODE_CHANGE_NO_ACTION;
2004                         }
2005                         break;
2006                 case QLA2XXX_INI_MODE_EXCLUSIVE:
2007                         if (qla_tgt_mode_enabled(vha)) {
2008                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
2009                                     vha->hw->flags.exchoffld_enabled)
2010                                         eo_toggle = 1;
2011                                 if (((vha->ql2xexchoffld !=
2012                                     vha->u_ql2xexchoffld) &&
2013                                     NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
2014                                     eo_toggle) {
2015                                         /*
2016                                          * The number of exchange to be offload
2017                                          * was tweaked or offload option was
2018                                          * flipped
2019                                          */
2020                                         action = MODE_CHANGE_ACCEPT;
2021                                 } else {
2022                                         action = MODE_CHANGE_NO_ACTION;
2023                                 }
2024                         } else {
2025                                 action = MODE_CHANGE_ACCEPT;
2026                         }
2027                         break;
2028                 case QLA2XXX_INI_MODE_DUAL:
2029                         action = MODE_CHANGE_ACCEPT;
2030                         /* active_mode is target only, reset it to dual */
2031                         if (qla_tgt_mode_enabled(vha)) {
2032                                 set_mode = 1;
2033                                 action = MODE_CHANGE_ACCEPT;
2034                         } else {
2035                                 action = MODE_CHANGE_NO_ACTION;
2036                         }
2037                         break;
2038
2039                 case QLA2XXX_INI_MODE_ENABLED:
2040                         if (qla_tgt_mode_enabled(vha))
2041                                 action = TARGET_STILL_ACTIVE;
2042                         else {
2043                                 action = MODE_CHANGE_ACCEPT;
2044                                 set_mode = 1;
2045                         }
2046                         break;
2047                 }
2048                 break;
2049
2050         case QLA2XXX_INI_MODE_EXCLUSIVE:
2051                 switch (op) {
2052                 case QLA2XXX_INI_MODE_EXCLUSIVE:
2053                         if (qla_tgt_mode_enabled(vha)) {
2054                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
2055                                     vha->hw->flags.exchoffld_enabled)
2056                                         eo_toggle = 1;
2057                                 if (((vha->ql2xexchoffld !=
2058                                     vha->u_ql2xexchoffld) &&
2059                                     NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
2060                                     eo_toggle)
2061                                         /*
2062                                          * The number of exchange to be offload
2063                                          * was tweaked or offload option was
2064                                          * flipped
2065                                          */
2066                                         action = MODE_CHANGE_ACCEPT;
2067                                 else
2068                                         action = NO_ACTION;
2069                         } else
2070                                 action = NO_ACTION;
2071
2072                         break;
2073
2074                 case QLA2XXX_INI_MODE_DISABLED:
2075                         if (qla_tgt_mode_enabled(vha)) {
2076                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
2077                                     vha->hw->flags.exchoffld_enabled)
2078                                         eo_toggle = 1;
2079                                 if (((vha->ql2xexchoffld !=
2080                                       vha->u_ql2xexchoffld) &&
2081                                     NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
2082                                     eo_toggle)
2083                                         action = MODE_CHANGE_ACCEPT;
2084                                 else
2085                                         action = MODE_CHANGE_NO_ACTION;
2086                         } else
2087                                 action = MODE_CHANGE_NO_ACTION;
2088                         break;
2089
2090                 case QLA2XXX_INI_MODE_DUAL: /* exclusive -> dual */
2091                         if (qla_tgt_mode_enabled(vha)) {
2092                                 action = MODE_CHANGE_ACCEPT;
2093                                 set_mode = 1;
2094                         } else
2095                                 action = MODE_CHANGE_ACCEPT;
2096                         break;
2097
2098                 case QLA2XXX_INI_MODE_ENABLED:
2099                         if (qla_tgt_mode_enabled(vha))
2100                                 action = TARGET_STILL_ACTIVE;
2101                         else {
2102                                 if (vha->hw->flags.fw_started)
2103                                         action = MODE_CHANGE_NO_ACTION;
2104                                 else
2105                                         action = MODE_CHANGE_ACCEPT;
2106                         }
2107                         break;
2108                 }
2109                 break;
2110
2111         case QLA2XXX_INI_MODE_ENABLED:
2112                 switch (op) {
2113                 case QLA2XXX_INI_MODE_ENABLED:
2114                         if (NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg) !=
2115                             vha->hw->flags.exchoffld_enabled)
2116                                 eo_toggle = 1;
2117                         if (((vha->ql2xiniexchg != vha->u_ql2xiniexchg) &&
2118                                 NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg)) ||
2119                             eo_toggle)
2120                                 action = MODE_CHANGE_ACCEPT;
2121                         else
2122                                 action = NO_ACTION;
2123                         break;
2124                 case QLA2XXX_INI_MODE_DUAL:
2125                 case QLA2XXX_INI_MODE_DISABLED:
2126                         action = MODE_CHANGE_ACCEPT;
2127                         break;
2128                 default:
2129                         action = MODE_CHANGE_NO_ACTION;
2130                         break;
2131                 }
2132                 break;
2133
2134         case QLA2XXX_INI_MODE_DUAL:
2135                 switch (op) {
2136                 case QLA2XXX_INI_MODE_DUAL:
2137                         if (qla_tgt_mode_enabled(vha) ||
2138                             qla_dual_mode_enabled(vha)) {
2139                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
2140                                         vha->u_ql2xiniexchg) !=
2141                                     vha->hw->flags.exchoffld_enabled)
2142                                         eo_toggle = 1;
2143
2144                                 if ((((vha->ql2xexchoffld +
2145                                        vha->ql2xiniexchg) !=
2146                                     (vha->u_ql2xiniexchg +
2147                                      vha->u_ql2xexchoffld)) &&
2148                                     NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
2149                                         vha->u_ql2xexchoffld)) || eo_toggle)
2150                                         action = MODE_CHANGE_ACCEPT;
2151                                 else
2152                                         action = NO_ACTION;
2153                         } else {
2154                                 if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
2155                                         vha->u_ql2xiniexchg) !=
2156                                     vha->hw->flags.exchoffld_enabled)
2157                                         eo_toggle = 1;
2158
2159                                 if ((((vha->ql2xexchoffld + vha->ql2xiniexchg)
2160                                     != (vha->u_ql2xiniexchg +
2161                                         vha->u_ql2xexchoffld)) &&
2162                                     NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
2163                                         vha->u_ql2xexchoffld)) || eo_toggle)
2164                                         action = MODE_CHANGE_NO_ACTION;
2165                                 else
2166                                         action = NO_ACTION;
2167                         }
2168                         break;
2169
2170                 case QLA2XXX_INI_MODE_DISABLED:
2171                         if (qla_tgt_mode_enabled(vha) ||
2172                             qla_dual_mode_enabled(vha)) {
2173                                 /* turning off initiator mode */
2174                                 set_mode = 1;
2175                                 action = MODE_CHANGE_ACCEPT;
2176                         } else {
2177                                 action = MODE_CHANGE_NO_ACTION;
2178                         }
2179                         break;
2180
2181                 case QLA2XXX_INI_MODE_EXCLUSIVE:
2182                         if (qla_tgt_mode_enabled(vha) ||
2183                             qla_dual_mode_enabled(vha)) {
2184                                 set_mode = 1;
2185                                 action = MODE_CHANGE_ACCEPT;
2186                         } else {
2187                                 action = MODE_CHANGE_ACCEPT;
2188                         }
2189                         break;
2190
2191                 case QLA2XXX_INI_MODE_ENABLED:
2192                         if (qla_tgt_mode_enabled(vha) ||
2193                             qla_dual_mode_enabled(vha)) {
2194                                 action = TARGET_STILL_ACTIVE;
2195                         } else {
2196                                 action = MODE_CHANGE_ACCEPT;
2197                         }
2198                 }
2199                 break;
2200         }
2201
2202         switch (action) {
2203         case MODE_CHANGE_ACCEPT:
2204                 ql_log(ql_log_warn, vha, 0xffff,
2205                     "Mode change accepted. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
2206                     mode_to_str[vha->qlini_mode], mode_to_str[op],
2207                     vha->ql2xexchoffld, vha->u_ql2xexchoffld,
2208                     vha->ql2xiniexchg, vha->u_ql2xiniexchg);
2209
2210                 vha->qlini_mode = op;
2211                 vha->ql2xexchoffld = vha->u_ql2xexchoffld;
2212                 vha->ql2xiniexchg = vha->u_ql2xiniexchg;
2213                 if (set_mode)
2214                         qlt_set_mode(vha);
2215                 vha->flags.online = 1;
2216                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2217                 break;
2218
2219         case MODE_CHANGE_NO_ACTION:
2220                 ql_log(ql_log_warn, vha, 0xffff,
2221                     "Mode is set. No action taken. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
2222                     mode_to_str[vha->qlini_mode], mode_to_str[op],
2223                     vha->ql2xexchoffld, vha->u_ql2xexchoffld,
2224                     vha->ql2xiniexchg, vha->u_ql2xiniexchg);
2225                 vha->qlini_mode = op;
2226                 vha->ql2xexchoffld = vha->u_ql2xexchoffld;
2227                 vha->ql2xiniexchg = vha->u_ql2xiniexchg;
2228                 break;
2229
2230         case TARGET_STILL_ACTIVE:
2231                 ql_log(ql_log_warn, vha, 0xffff,
2232                     "Target Mode is active. Unable to change Mode.\n");
2233                 break;
2234
2235         case NO_ACTION:
2236         default:
2237                 ql_log(ql_log_warn, vha, 0xffff,
2238                     "Mode unchange. No action taken. %d|%d pct %d|%d.\n",
2239                     vha->qlini_mode, op,
2240                     vha->ql2xexchoffld, vha->u_ql2xexchoffld);
2241                 break;
2242         }
2243 }
2244
2245 static ssize_t
2246 qlini_mode_store(struct device *dev, struct device_attribute *attr,
2247     const char *buf, size_t count)
2248 {
2249         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2250         int ini;
2251
2252         if (!buf)
2253                 return -EINVAL;
2254
2255         if (strncasecmp(QLA2XXX_INI_MODE_STR_EXCLUSIVE, buf,
2256                 strlen(QLA2XXX_INI_MODE_STR_EXCLUSIVE)) == 0)
2257                 ini = QLA2XXX_INI_MODE_EXCLUSIVE;
2258         else if (strncasecmp(QLA2XXX_INI_MODE_STR_DISABLED, buf,
2259                 strlen(QLA2XXX_INI_MODE_STR_DISABLED)) == 0)
2260                 ini = QLA2XXX_INI_MODE_DISABLED;
2261         else if (strncasecmp(QLA2XXX_INI_MODE_STR_ENABLED, buf,
2262                   strlen(QLA2XXX_INI_MODE_STR_ENABLED)) == 0)
2263                 ini = QLA2XXX_INI_MODE_ENABLED;
2264         else if (strncasecmp(QLA2XXX_INI_MODE_STR_DUAL, buf,
2265                 strlen(QLA2XXX_INI_MODE_STR_DUAL)) == 0)
2266                 ini = QLA2XXX_INI_MODE_DUAL;
2267         else
2268                 return -EINVAL;
2269
2270         qla_set_ini_mode(vha, ini);
2271         return strlen(buf);
2272 }
2273
2274 static ssize_t
2275 ql2xexchoffld_show(struct device *dev, struct device_attribute *attr,
2276     char *buf)
2277 {
2278         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2279         int len = 0;
2280
2281         len += scnprintf(buf + len, PAGE_SIZE-len,
2282                 "target exchange: new %d : current: %d\n\n",
2283                 vha->u_ql2xexchoffld, vha->ql2xexchoffld);
2284
2285         len += scnprintf(buf + len, PAGE_SIZE-len,
2286             "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2287             vha->host_no);
2288
2289         return len;
2290 }
2291
2292 static ssize_t
2293 ql2xexchoffld_store(struct device *dev, struct device_attribute *attr,
2294     const char *buf, size_t count)
2295 {
2296         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2297         int val = 0;
2298
2299         if (sscanf(buf, "%d", &val) != 1)
2300                 return -EINVAL;
2301
2302         if (val > FW_MAX_EXCHANGES_CNT)
2303                 val = FW_MAX_EXCHANGES_CNT;
2304         else if (val < 0)
2305                 val = 0;
2306
2307         vha->u_ql2xexchoffld = val;
2308         return strlen(buf);
2309 }
2310
2311 static ssize_t
2312 ql2xiniexchg_show(struct device *dev, struct device_attribute *attr,
2313     char *buf)
2314 {
2315         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2316         int len = 0;
2317
2318         len += scnprintf(buf + len, PAGE_SIZE-len,
2319                 "target exchange: new %d : current: %d\n\n",
2320                 vha->u_ql2xiniexchg, vha->ql2xiniexchg);
2321
2322         len += scnprintf(buf + len, PAGE_SIZE-len,
2323             "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2324             vha->host_no);
2325
2326         return len;
2327 }
2328
2329 static ssize_t
2330 ql2xiniexchg_store(struct device *dev, struct device_attribute *attr,
2331     const char *buf, size_t count)
2332 {
2333         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2334         int val = 0;
2335
2336         if (sscanf(buf, "%d", &val) != 1)
2337                 return -EINVAL;
2338
2339         if (val > FW_MAX_EXCHANGES_CNT)
2340                 val = FW_MAX_EXCHANGES_CNT;
2341         else if (val < 0)
2342                 val = 0;
2343
2344         vha->u_ql2xiniexchg = val;
2345         return strlen(buf);
2346 }
2347
2348 static ssize_t
2349 qla2x00_dif_bundle_statistics_show(struct device *dev,
2350     struct device_attribute *attr, char *buf)
2351 {
2352         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2353         struct qla_hw_data *ha = vha->hw;
2354
2355         return scnprintf(buf, PAGE_SIZE,
2356             "cross=%llu read=%llu write=%llu kalloc=%llu dma_alloc=%llu unusable=%u\n",
2357             ha->dif_bundle_crossed_pages, ha->dif_bundle_reads,
2358             ha->dif_bundle_writes, ha->dif_bundle_kallocs,
2359             ha->dif_bundle_dma_allocs, ha->pool.unusable.count);
2360 }
2361
2362 static ssize_t
2363 qla2x00_fw_attr_show(struct device *dev,
2364     struct device_attribute *attr, char *buf)
2365 {
2366         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2367         struct qla_hw_data *ha = vha->hw;
2368
2369         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
2370                 return scnprintf(buf, PAGE_SIZE, "\n");
2371
2372         return scnprintf(buf, PAGE_SIZE, "%llx\n",
2373             (uint64_t)ha->fw_attributes_ext[1] << 48 |
2374             (uint64_t)ha->fw_attributes_ext[0] << 32 |
2375             (uint64_t)ha->fw_attributes_h << 16 |
2376             (uint64_t)ha->fw_attributes);
2377 }
2378
2379 static ssize_t
2380 qla2x00_port_no_show(struct device *dev, struct device_attribute *attr,
2381     char *buf)
2382 {
2383         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2384
2385         return scnprintf(buf, PAGE_SIZE, "%u\n", vha->hw->port_no);
2386 }
2387
2388 static ssize_t
2389 qla2x00_dport_diagnostics_show(struct device *dev,
2390         struct device_attribute *attr, char *buf)
2391 {
2392         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2393
2394         if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw) &&
2395             !IS_QLA28XX(vha->hw))
2396                 return scnprintf(buf, PAGE_SIZE, "\n");
2397
2398         if (!*vha->dport_data)
2399                 return scnprintf(buf, PAGE_SIZE, "\n");
2400
2401         return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
2402             vha->dport_data[0], vha->dport_data[1],
2403             vha->dport_data[2], vha->dport_data[3]);
2404 }
2405 static DEVICE_ATTR(dport_diagnostics, 0444,
2406            qla2x00_dport_diagnostics_show, NULL);
2407
2408 static DEVICE_STRING_ATTR_RO(driver_version, S_IRUGO, qla2x00_version_str);
2409 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
2410 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
2411 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
2412 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
2413 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
2414 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
2415 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
2416 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
2417 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
2418 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
2419                    qla2x00_zio_timer_store);
2420 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
2421                    qla2x00_beacon_store);
2422 static DEVICE_ATTR(beacon_config, 0644, qla2x00_beacon_config_show,
2423                    qla2x00_beacon_config_store);
2424 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
2425                    qla2x00_optrom_bios_version_show, NULL);
2426 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
2427                    qla2x00_optrom_efi_version_show, NULL);
2428 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
2429                    qla2x00_optrom_fcode_version_show, NULL);
2430 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
2431                    NULL);
2432 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
2433     qla2x00_optrom_gold_fw_version_show, NULL);
2434 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
2435                    NULL);
2436 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
2437                    NULL);
2438 static DEVICE_ATTR(serdes_version, 0444, qla2x00_serdes_version_show, NULL);
2439 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
2440 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
2441 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
2442                    NULL);
2443 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
2444 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
2445                    qla2x00_vn_port_mac_address_show, NULL);
2446 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
2447 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
2448 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
2449 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
2450 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
2451 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
2452 static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
2453                    qla2x00_allow_cna_fw_dump_show,
2454                    qla2x00_allow_cna_fw_dump_store);
2455 static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL);
2456 static DEVICE_ATTR(min_supported_speed, 0444,
2457                    qla2x00_min_supported_speed_show, NULL);
2458 static DEVICE_ATTR(max_supported_speed, 0444,
2459                    qla2x00_max_supported_speed_show, NULL);
2460 static DEVICE_ATTR(zio_threshold, 0644,
2461     qla_zio_threshold_show,
2462     qla_zio_threshold_store);
2463 static DEVICE_ATTR_RW(qlini_mode);
2464 static DEVICE_ATTR_RW(ql2xexchoffld);
2465 static DEVICE_ATTR_RW(ql2xiniexchg);
2466 static DEVICE_ATTR(dif_bundle_statistics, 0444,
2467     qla2x00_dif_bundle_statistics_show, NULL);
2468 static DEVICE_ATTR(port_speed, 0644, qla2x00_port_speed_show,
2469     qla2x00_port_speed_store);
2470 static DEVICE_ATTR(port_no, 0444, qla2x00_port_no_show, NULL);
2471 static DEVICE_ATTR(fw_attr, 0444, qla2x00_fw_attr_show, NULL);
2472
2473 static struct attribute *qla2x00_host_attrs[] = {
2474         &dev_attr_driver_version.attr.attr,
2475         &dev_attr_fw_version.attr,
2476         &dev_attr_serial_num.attr,
2477         &dev_attr_isp_name.attr,
2478         &dev_attr_isp_id.attr,
2479         &dev_attr_model_name.attr,
2480         &dev_attr_model_desc.attr,
2481         &dev_attr_pci_info.attr,
2482         &dev_attr_link_state.attr,
2483         &dev_attr_zio.attr,
2484         &dev_attr_zio_timer.attr,
2485         &dev_attr_beacon.attr,
2486         &dev_attr_beacon_config.attr,
2487         &dev_attr_optrom_bios_version.attr,
2488         &dev_attr_optrom_efi_version.attr,
2489         &dev_attr_optrom_fcode_version.attr,
2490         &dev_attr_optrom_fw_version.attr,
2491         &dev_attr_84xx_fw_version.attr,
2492         &dev_attr_total_isp_aborts.attr,
2493         &dev_attr_serdes_version.attr,
2494         &dev_attr_mpi_version.attr,
2495         &dev_attr_phy_version.attr,
2496         &dev_attr_flash_block_size.attr,
2497         &dev_attr_vlan_id.attr,
2498         &dev_attr_vn_port_mac_address.attr,
2499         &dev_attr_fabric_param.attr,
2500         &dev_attr_fw_state.attr,
2501         &dev_attr_optrom_gold_fw_version.attr,
2502         &dev_attr_thermal_temp.attr,
2503         &dev_attr_diag_requests.attr,
2504         &dev_attr_diag_megabytes.attr,
2505         &dev_attr_fw_dump_size.attr,
2506         &dev_attr_allow_cna_fw_dump.attr,
2507         &dev_attr_pep_version.attr,
2508         &dev_attr_min_supported_speed.attr,
2509         &dev_attr_max_supported_speed.attr,
2510         &dev_attr_zio_threshold.attr,
2511         &dev_attr_dif_bundle_statistics.attr,
2512         &dev_attr_port_speed.attr,
2513         &dev_attr_port_no.attr,
2514         &dev_attr_fw_attr.attr,
2515         &dev_attr_dport_diagnostics.attr,
2516         &dev_attr_mpi_pause.attr,
2517         &dev_attr_qlini_mode.attr,
2518         &dev_attr_ql2xiniexchg.attr,
2519         &dev_attr_ql2xexchoffld.attr,
2520         NULL,
2521 };
2522
2523 static umode_t qla_host_attr_is_visible(struct kobject *kobj,
2524                                         struct attribute *attr, int i)
2525 {
2526         if (ql2x_ini_mode != QLA2XXX_INI_MODE_DUAL &&
2527             (attr == &dev_attr_qlini_mode.attr ||
2528              attr == &dev_attr_ql2xiniexchg.attr ||
2529              attr == &dev_attr_ql2xexchoffld.attr))
2530                 return 0;
2531         return attr->mode;
2532 }
2533
2534 static const struct attribute_group qla2x00_host_attr_group = {
2535         .is_visible = qla_host_attr_is_visible,
2536         .attrs = qla2x00_host_attrs
2537 };
2538
2539 const struct attribute_group *qla2x00_host_groups[] = {
2540         &qla2x00_host_attr_group,
2541         NULL
2542 };
2543
2544 /* Host attributes. */
2545
2546 static void
2547 qla2x00_get_host_port_id(struct Scsi_Host *shost)
2548 {
2549         scsi_qla_host_t *vha = shost_priv(shost);
2550
2551         fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
2552             vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
2553 }
2554
2555 static void
2556 qla2x00_get_host_speed(struct Scsi_Host *shost)
2557 {
2558         scsi_qla_host_t *vha = shost_priv(shost);
2559         u32 speed;
2560
2561         if (IS_QLAFX00(vha->hw)) {
2562                 qlafx00_get_host_speed(shost);
2563                 return;
2564         }
2565
2566         switch (vha->hw->link_data_rate) {
2567         case PORT_SPEED_1GB:
2568                 speed = FC_PORTSPEED_1GBIT;
2569                 break;
2570         case PORT_SPEED_2GB:
2571                 speed = FC_PORTSPEED_2GBIT;
2572                 break;
2573         case PORT_SPEED_4GB:
2574                 speed = FC_PORTSPEED_4GBIT;
2575                 break;
2576         case PORT_SPEED_8GB:
2577                 speed = FC_PORTSPEED_8GBIT;
2578                 break;
2579         case PORT_SPEED_10GB:
2580                 speed = FC_PORTSPEED_10GBIT;
2581                 break;
2582         case PORT_SPEED_16GB:
2583                 speed = FC_PORTSPEED_16GBIT;
2584                 break;
2585         case PORT_SPEED_32GB:
2586                 speed = FC_PORTSPEED_32GBIT;
2587                 break;
2588         case PORT_SPEED_64GB:
2589                 speed = FC_PORTSPEED_64GBIT;
2590                 break;
2591         default:
2592                 speed = FC_PORTSPEED_UNKNOWN;
2593                 break;
2594         }
2595
2596         fc_host_speed(shost) = speed;
2597 }
2598
2599 static void
2600 qla2x00_get_host_port_type(struct Scsi_Host *shost)
2601 {
2602         scsi_qla_host_t *vha = shost_priv(shost);
2603         uint32_t port_type;
2604
2605         if (vha->vp_idx) {
2606                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
2607                 return;
2608         }
2609         switch (vha->hw->current_topology) {
2610         case ISP_CFG_NL:
2611                 port_type = FC_PORTTYPE_LPORT;
2612                 break;
2613         case ISP_CFG_FL:
2614                 port_type = FC_PORTTYPE_NLPORT;
2615                 break;
2616         case ISP_CFG_N:
2617                 port_type = FC_PORTTYPE_PTP;
2618                 break;
2619         case ISP_CFG_F:
2620                 port_type = FC_PORTTYPE_NPORT;
2621                 break;
2622         default:
2623                 port_type = FC_PORTTYPE_UNKNOWN;
2624                 break;
2625         }
2626
2627         fc_host_port_type(shost) = port_type;
2628 }
2629
2630 static void
2631 qla2x00_get_starget_node_name(struct scsi_target *starget)
2632 {
2633         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2634         scsi_qla_host_t *vha = shost_priv(host);
2635         fc_port_t *fcport;
2636         u64 node_name = 0;
2637
2638         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2639                 if (fcport->rport &&
2640                     starget->id == fcport->rport->scsi_target_id) {
2641                         node_name = wwn_to_u64(fcport->node_name);
2642                         break;
2643                 }
2644         }
2645
2646         fc_starget_node_name(starget) = node_name;
2647 }
2648
2649 static void
2650 qla2x00_get_starget_port_name(struct scsi_target *starget)
2651 {
2652         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2653         scsi_qla_host_t *vha = shost_priv(host);
2654         fc_port_t *fcport;
2655         u64 port_name = 0;
2656
2657         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2658                 if (fcport->rport &&
2659                     starget->id == fcport->rport->scsi_target_id) {
2660                         port_name = wwn_to_u64(fcport->port_name);
2661                         break;
2662                 }
2663         }
2664
2665         fc_starget_port_name(starget) = port_name;
2666 }
2667
2668 static void
2669 qla2x00_get_starget_port_id(struct scsi_target *starget)
2670 {
2671         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2672         scsi_qla_host_t *vha = shost_priv(host);
2673         fc_port_t *fcport;
2674         uint32_t port_id = ~0U;
2675
2676         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2677                 if (fcport->rport &&
2678                     starget->id == fcport->rport->scsi_target_id) {
2679                         port_id = fcport->d_id.b.domain << 16 |
2680                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2681                         break;
2682                 }
2683         }
2684
2685         fc_starget_port_id(starget) = port_id;
2686 }
2687
2688 static inline void
2689 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
2690 {
2691         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2692
2693         rport->dev_loss_tmo = timeout ? timeout : 1;
2694
2695         if (IS_ENABLED(CONFIG_NVME_FC) && fcport && fcport->nvme_remote_port)
2696                 nvme_fc_set_remoteport_devloss(fcport->nvme_remote_port,
2697                                                rport->dev_loss_tmo);
2698 }
2699
2700 static void
2701 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
2702 {
2703         struct Scsi_Host *host = rport_to_shost(rport);
2704         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2705         unsigned long flags;
2706
2707         if (!fcport)
2708                 return;
2709
2710         ql_dbg(ql_dbg_async, fcport->vha, 0x5101,
2711                DBG_FCPORT_PRFMT(fcport, "dev_loss_tmo expiry, rport_state=%d",
2712                                 rport->port_state));
2713
2714         /*
2715          * Now that the rport has been deleted, set the fcport state to
2716          * FCS_DEVICE_DEAD, if the fcport is still lost.
2717          */
2718         if (fcport->scan_state != QLA_FCPORT_FOUND)
2719                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
2720
2721         /*
2722          * Transport has effectively 'deleted' the rport, clear
2723          * all local references.
2724          */
2725         spin_lock_irqsave(host->host_lock, flags);
2726         /* Confirm port has not reappeared before clearing pointers. */
2727         if (rport->port_state != FC_PORTSTATE_ONLINE) {
2728                 fcport->rport = NULL;
2729                 *((fc_port_t **)rport->dd_data) = NULL;
2730         }
2731         spin_unlock_irqrestore(host->host_lock, flags);
2732
2733         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2734                 return;
2735
2736         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2737                 /* Will wait for wind down of adapter */
2738                 ql_dbg(ql_dbg_aer, fcport->vha, 0x900c,
2739                     "%s pci offline detected (id %06x)\n", __func__,
2740                     fcport->d_id.b24);
2741                 qla_pci_set_eeh_busy(fcport->vha);
2742                 qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24,
2743                     0, WAIT_TARGET);
2744                 return;
2745         }
2746 }
2747
2748 static void
2749 qla2x00_terminate_rport_io(struct fc_rport *rport)
2750 {
2751         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2752         scsi_qla_host_t *vha;
2753
2754         if (!fcport)
2755                 return;
2756
2757         if (test_bit(UNLOADING, &fcport->vha->dpc_flags))
2758                 return;
2759
2760         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2761                 return;
2762         vha = fcport->vha;
2763
2764         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2765                 /* Will wait for wind down of adapter */
2766                 ql_dbg(ql_dbg_aer, fcport->vha, 0x900b,
2767                     "%s pci offline detected (id %06x)\n", __func__,
2768                     fcport->d_id.b24);
2769                 qla_pci_set_eeh_busy(vha);
2770                 qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24,
2771                         0, WAIT_TARGET);
2772                 return;
2773         }
2774         /*
2775          * At this point all fcport's software-states are cleared.  Perform any
2776          * final cleanup of firmware resources (PCBs and XCBs).
2777          *
2778          * Attempt to cleanup only lost devices.
2779          */
2780         if (fcport->loop_id != FC_NO_LOOP_ID) {
2781                 if (IS_FWI2_CAPABLE(fcport->vha->hw) &&
2782                     fcport->scan_state != QLA_FCPORT_FOUND) {
2783                         if (fcport->loop_id != FC_NO_LOOP_ID)
2784                                 fcport->logout_on_delete = 1;
2785
2786                         if (!EDIF_NEGOTIATION_PENDING(fcport)) {
2787                                 ql_dbg(ql_dbg_disc, fcport->vha, 0x911e,
2788                                        "%s %d schedule session deletion\n", __func__,
2789                                        __LINE__);
2790                                 qlt_schedule_sess_for_deletion(fcport);
2791                         }
2792                 } else if (!IS_FWI2_CAPABLE(fcport->vha->hw)) {
2793                         qla2x00_port_logout(fcport->vha, fcport);
2794                 }
2795         }
2796
2797         /* check for any straggling io left behind */
2798         if (qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24, 0, WAIT_TARGET)) {
2799                 ql_log(ql_log_warn, vha, 0x300b,
2800                        "IO not return.  Resetting. \n");
2801                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2802                 qla2xxx_wake_dpc(vha);
2803                 qla2x00_wait_for_chip_reset(vha);
2804         }
2805 }
2806
2807 static int
2808 qla2x00_issue_lip(struct Scsi_Host *shost)
2809 {
2810         scsi_qla_host_t *vha = shost_priv(shost);
2811
2812         if (IS_QLAFX00(vha->hw))
2813                 return 0;
2814
2815         if (vha->hw->flags.port_isolated)
2816                 return 0;
2817
2818         qla2x00_loop_reset(vha);
2819         return 0;
2820 }
2821
2822 static struct fc_host_statistics *
2823 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
2824 {
2825         scsi_qla_host_t *vha = shost_priv(shost);
2826         struct qla_hw_data *ha = vha->hw;
2827         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2828         int rval;
2829         struct link_statistics *stats;
2830         dma_addr_t stats_dma;
2831         struct fc_host_statistics *p = &vha->fc_host_stat;
2832         struct qla_qpair *qpair;
2833         int i;
2834         u64 ib = 0, ob = 0, ir = 0, or = 0;
2835
2836         memset(p, -1, sizeof(*p));
2837
2838         if (IS_QLAFX00(vha->hw))
2839                 goto done;
2840
2841         if (test_bit(UNLOADING, &vha->dpc_flags))
2842                 goto done;
2843
2844         if (unlikely(pci_channel_offline(ha->pdev)))
2845                 goto done;
2846
2847         if (qla2x00_chip_is_down(vha))
2848                 goto done;
2849
2850         stats = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stats), &stats_dma,
2851                                    GFP_KERNEL);
2852         if (!stats) {
2853                 ql_log(ql_log_warn, vha, 0x707d,
2854                     "Failed to allocate memory for stats.\n");
2855                 goto done;
2856         }
2857
2858         rval = QLA_FUNCTION_FAILED;
2859         if (IS_FWI2_CAPABLE(ha)) {
2860                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0);
2861         } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
2862             !ha->dpc_active) {
2863                 /* Must be in a 'READY' state for statistics retrieval. */
2864                 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
2865                                                 stats, stats_dma);
2866         }
2867
2868         if (rval != QLA_SUCCESS)
2869                 goto done_free;
2870
2871         /* --- */
2872         for (i = 0; i < vha->hw->max_qpairs; i++) {
2873                 qpair = vha->hw->queue_pair_map[i];
2874                 if (!qpair)
2875                         continue;
2876                 ir += qpair->counters.input_requests;
2877                 or += qpair->counters.output_requests;
2878                 ib += qpair->counters.input_bytes;
2879                 ob += qpair->counters.output_bytes;
2880         }
2881         ir += ha->base_qpair->counters.input_requests;
2882         or += ha->base_qpair->counters.output_requests;
2883         ib += ha->base_qpair->counters.input_bytes;
2884         ob += ha->base_qpair->counters.output_bytes;
2885
2886         ir += vha->qla_stats.input_requests;
2887         or += vha->qla_stats.output_requests;
2888         ib += vha->qla_stats.input_bytes;
2889         ob += vha->qla_stats.output_bytes;
2890         /* --- */
2891
2892         p->link_failure_count = le32_to_cpu(stats->link_fail_cnt);
2893         p->loss_of_sync_count = le32_to_cpu(stats->loss_sync_cnt);
2894         p->loss_of_signal_count = le32_to_cpu(stats->loss_sig_cnt);
2895         p->prim_seq_protocol_err_count = le32_to_cpu(stats->prim_seq_err_cnt);
2896         p->invalid_tx_word_count = le32_to_cpu(stats->inval_xmit_word_cnt);
2897         p->invalid_crc_count = le32_to_cpu(stats->inval_crc_cnt);
2898         if (IS_FWI2_CAPABLE(ha)) {
2899                 p->lip_count = le32_to_cpu(stats->lip_cnt);
2900                 p->tx_frames = le32_to_cpu(stats->tx_frames);
2901                 p->rx_frames = le32_to_cpu(stats->rx_frames);
2902                 p->dumped_frames = le32_to_cpu(stats->discarded_frames);
2903                 p->nos_count = le32_to_cpu(stats->nos_rcvd);
2904                 p->error_frames =
2905                     le32_to_cpu(stats->dropped_frames) +
2906                     le32_to_cpu(stats->discarded_frames);
2907                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
2908                         p->rx_words = le64_to_cpu(stats->fpm_recv_word_cnt);
2909                         p->tx_words = le64_to_cpu(stats->fpm_xmit_word_cnt);
2910                 } else {
2911                         p->rx_words = ib >> 2;
2912                         p->tx_words = ob >> 2;
2913                 }
2914         }
2915
2916         p->fcp_control_requests = vha->qla_stats.control_requests;
2917         p->fcp_input_requests = ir;
2918         p->fcp_output_requests = or;
2919         p->fcp_input_megabytes  = ib >> 20;
2920         p->fcp_output_megabytes = ob >> 20;
2921         p->seconds_since_last_reset =
2922             get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
2923         do_div(p->seconds_since_last_reset, HZ);
2924
2925 done_free:
2926         dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics),
2927             stats, stats_dma);
2928 done:
2929         return p;
2930 }
2931
2932 static void
2933 qla2x00_reset_host_stats(struct Scsi_Host *shost)
2934 {
2935         scsi_qla_host_t *vha = shost_priv(shost);
2936         struct qla_hw_data *ha = vha->hw;
2937         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2938         struct link_statistics *stats;
2939         dma_addr_t stats_dma;
2940         int i;
2941         struct qla_qpair *qpair;
2942
2943         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2944         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2945         for (i = 0; i < vha->hw->max_qpairs; i++) {
2946                 qpair = vha->hw->queue_pair_map[i];
2947                 if (!qpair)
2948                         continue;
2949                 memset(&qpair->counters, 0, sizeof(qpair->counters));
2950         }
2951         memset(&ha->base_qpair->counters, 0, sizeof(qpair->counters));
2952
2953         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2954
2955         if (IS_FWI2_CAPABLE(ha)) {
2956                 int rval;
2957
2958                 stats = dma_alloc_coherent(&ha->pdev->dev,
2959                     sizeof(*stats), &stats_dma, GFP_KERNEL);
2960                 if (!stats) {
2961                         ql_log(ql_log_warn, vha, 0x70d7,
2962                             "Failed to allocate memory for stats.\n");
2963                         return;
2964                 }
2965
2966                 /* reset firmware statistics */
2967                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0);
2968                 if (rval != QLA_SUCCESS)
2969                         ql_log(ql_log_warn, vha, 0x70de,
2970                                "Resetting ISP statistics failed: rval = %d\n",
2971                                rval);
2972
2973                 dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
2974                     stats, stats_dma);
2975         }
2976 }
2977
2978 static void
2979 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
2980 {
2981         scsi_qla_host_t *vha = shost_priv(shost);
2982
2983         qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
2984             sizeof(fc_host_symbolic_name(shost)));
2985 }
2986
2987 static void
2988 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
2989 {
2990         scsi_qla_host_t *vha = shost_priv(shost);
2991
2992         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
2993 }
2994
2995 static void
2996 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
2997 {
2998         scsi_qla_host_t *vha = shost_priv(shost);
2999         static const uint8_t node_name[WWN_SIZE] = {
3000                 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
3001         };
3002         u64 fabric_name = wwn_to_u64(node_name);
3003
3004         if (vha->device_flags & SWITCH_FOUND)
3005                 fabric_name = wwn_to_u64(vha->fabric_node_name);
3006
3007         fc_host_fabric_name(shost) = fabric_name;
3008 }
3009
3010 static void
3011 qla2x00_get_host_port_state(struct Scsi_Host *shost)
3012 {
3013         scsi_qla_host_t *vha = shost_priv(shost);
3014         struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
3015
3016         if (!base_vha->flags.online) {
3017                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
3018                 return;
3019         }
3020
3021         switch (atomic_read(&base_vha->loop_state)) {
3022         case LOOP_UPDATE:
3023                 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
3024                 break;
3025         case LOOP_DOWN:
3026                 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
3027                         fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
3028                 else
3029                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
3030                 break;
3031         case LOOP_DEAD:
3032                 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
3033                 break;
3034         case LOOP_READY:
3035                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
3036                 break;
3037         default:
3038                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
3039                 break;
3040         }
3041 }
3042
3043 static int
3044 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
3045 {
3046         int     ret = 0;
3047         uint8_t qos = 0;
3048         scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
3049         scsi_qla_host_t *vha = NULL;
3050         struct qla_hw_data *ha = base_vha->hw;
3051         int     cnt;
3052         struct req_que *req = ha->req_q_map[0];
3053         struct qla_qpair *qpair;
3054
3055         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
3056         if (ret) {
3057                 ql_log(ql_log_warn, vha, 0x707e,
3058                     "Vport sanity check failed, status %x\n", ret);
3059                 return (ret);
3060         }
3061
3062         vha = qla24xx_create_vhost(fc_vport);
3063         if (vha == NULL) {
3064                 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
3065                 return FC_VPORT_FAILED;
3066         }
3067         if (disable) {
3068                 atomic_set(&vha->vp_state, VP_OFFLINE);
3069                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
3070         } else
3071                 atomic_set(&vha->vp_state, VP_FAILED);
3072
3073         /* ready to create vport */
3074         ql_log(ql_log_info, vha, 0x7080,
3075             "VP entry id %d assigned.\n", vha->vp_idx);
3076
3077         /* initialized vport states */
3078         atomic_set(&vha->loop_state, LOOP_DOWN);
3079         vha->vp_err_state = VP_ERR_PORTDWN;
3080         vha->vp_prev_err_state = VP_ERR_UNKWN;
3081         /* Check if physical ha port is Up */
3082         if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
3083             atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
3084                 /* Don't retry or attempt login of this virtual port */
3085                 ql_dbg(ql_dbg_user, vha, 0x7081,
3086                     "Vport loop state is not UP.\n");
3087                 atomic_set(&vha->loop_state, LOOP_DEAD);
3088                 if (!disable)
3089                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
3090         }
3091
3092         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3093                 if (ha->fw_attributes & BIT_4) {
3094                         int prot = 0, guard;
3095
3096                         vha->flags.difdix_supported = 1;
3097                         ql_dbg(ql_dbg_user, vha, 0x7082,
3098                             "Registered for DIF/DIX type 1 and 3 protection.\n");
3099                         scsi_host_set_prot(vha->host,
3100                             prot | SHOST_DIF_TYPE1_PROTECTION
3101                             | SHOST_DIF_TYPE2_PROTECTION
3102                             | SHOST_DIF_TYPE3_PROTECTION
3103                             | SHOST_DIX_TYPE1_PROTECTION
3104                             | SHOST_DIX_TYPE2_PROTECTION
3105                             | SHOST_DIX_TYPE3_PROTECTION);
3106
3107                         guard = SHOST_DIX_GUARD_CRC;
3108
3109                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
3110                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3111                                 guard |= SHOST_DIX_GUARD_IP;
3112
3113                         scsi_host_set_guard(vha->host, guard);
3114                 } else
3115                         vha->flags.difdix_supported = 0;
3116         }
3117
3118         if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
3119                                    &ha->pdev->dev)) {
3120                 ql_dbg(ql_dbg_user, vha, 0x7083,
3121                     "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
3122                 goto vport_create_failed_2;
3123         }
3124
3125         /* initialize attributes */
3126         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
3127         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
3128         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
3129         fc_host_supported_classes(vha->host) =
3130                 fc_host_supported_classes(base_vha->host);
3131         fc_host_supported_speeds(vha->host) =
3132                 fc_host_supported_speeds(base_vha->host);
3133
3134         qlt_vport_create(vha, ha);
3135         qla24xx_vport_disable(fc_vport, disable);
3136
3137         if (!ql2xmqsupport || !ha->npiv_info)
3138                 goto vport_queue;
3139
3140         /* Create a request queue in QoS mode for the vport */
3141         for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
3142                 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
3143                         && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
3144                                         8) == 0) {
3145                         qos = ha->npiv_info[cnt].q_qos;
3146                         break;
3147                 }
3148         }
3149
3150         if (qos) {
3151                 qpair = qla2xxx_create_qpair(vha, qos, vha->vp_idx, true);
3152                 if (!qpair)
3153                         ql_log(ql_log_warn, vha, 0x7084,
3154                             "Can't create qpair for VP[%d]\n",
3155                             vha->vp_idx);
3156                 else {
3157                         ql_dbg(ql_dbg_multiq, vha, 0xc001,
3158                             "Queue pair: %d Qos: %d) created for VP[%d]\n",
3159                             qpair->id, qos, vha->vp_idx);
3160                         ql_dbg(ql_dbg_user, vha, 0x7085,
3161                             "Queue Pair: %d Qos: %d) created for VP[%d]\n",
3162                             qpair->id, qos, vha->vp_idx);
3163                         req = qpair->req;
3164                         vha->qpair = qpair;
3165                 }
3166         }
3167
3168 vport_queue:
3169         vha->req = req;
3170         return 0;
3171
3172 vport_create_failed_2:
3173         qla24xx_disable_vp(vha);
3174         qla24xx_deallocate_vp_id(vha);
3175         scsi_host_put(vha->host);
3176         return FC_VPORT_FAILED;
3177 }
3178
3179 static int
3180 qla24xx_vport_delete(struct fc_vport *fc_vport)
3181 {
3182         scsi_qla_host_t *vha = fc_vport->dd_data;
3183         struct qla_hw_data *ha = vha->hw;
3184         uint16_t id = vha->vp_idx;
3185
3186         set_bit(VPORT_DELETE, &vha->dpc_flags);
3187
3188         while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
3189                 msleep(1000);
3190
3191
3192         qla24xx_disable_vp(vha);
3193         qla2x00_wait_for_sess_deletion(vha);
3194
3195         qla_nvme_delete(vha);
3196         qla_enode_stop(vha);
3197         qla_edb_stop(vha);
3198
3199         vha->flags.delete_progress = 1;
3200
3201         qlt_remove_target(ha, vha);
3202
3203         fc_remove_host(vha->host);
3204
3205         scsi_remove_host(vha->host);
3206
3207         /* Allow timer to run to drain queued items, when removing vp */
3208         qla24xx_deallocate_vp_id(vha);
3209
3210         if (vha->timer_active) {
3211                 qla2x00_vp_stop_timer(vha);
3212                 ql_dbg(ql_dbg_user, vha, 0x7086,
3213                     "Timer for the VP[%d] has stopped\n", vha->vp_idx);
3214         }
3215
3216         qla2x00_free_fcports(vha);
3217
3218         mutex_lock(&ha->vport_lock);
3219         ha->cur_vport_count--;
3220         clear_bit(vha->vp_idx, ha->vp_idx_map);
3221         mutex_unlock(&ha->vport_lock);
3222
3223         dma_free_coherent(&ha->pdev->dev, vha->gnl.size, vha->gnl.l,
3224             vha->gnl.ldma);
3225
3226         vha->gnl.l = NULL;
3227
3228         vfree(vha->scan.l);
3229
3230         if (vha->qpair && vha->qpair->vp_idx == vha->vp_idx) {
3231                 if (qla2xxx_delete_qpair(vha, vha->qpair) != QLA_SUCCESS)
3232                         ql_log(ql_log_warn, vha, 0x7087,
3233                             "Queue Pair delete failed.\n");
3234         }
3235
3236         ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
3237         scsi_host_put(vha->host);
3238         return 0;
3239 }
3240
3241 static int
3242 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
3243 {
3244         scsi_qla_host_t *vha = fc_vport->dd_data;
3245
3246         if (disable)
3247                 qla24xx_disable_vp(vha);
3248         else
3249                 qla24xx_enable_vp(vha);
3250
3251         return 0;
3252 }
3253
3254 struct fc_function_template qla2xxx_transport_functions = {
3255
3256         .show_host_node_name = 1,
3257         .show_host_port_name = 1,
3258         .show_host_supported_classes = 1,
3259         .show_host_supported_speeds = 1,
3260
3261         .get_host_port_id = qla2x00_get_host_port_id,
3262         .show_host_port_id = 1,
3263         .get_host_speed = qla2x00_get_host_speed,
3264         .show_host_speed = 1,
3265         .get_host_port_type = qla2x00_get_host_port_type,
3266         .show_host_port_type = 1,
3267         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
3268         .show_host_symbolic_name = 1,
3269         .set_host_system_hostname = qla2x00_set_host_system_hostname,
3270         .show_host_system_hostname = 1,
3271         .get_host_fabric_name = qla2x00_get_host_fabric_name,
3272         .show_host_fabric_name = 1,
3273         .get_host_port_state = qla2x00_get_host_port_state,
3274         .show_host_port_state = 1,
3275
3276         .dd_fcrport_size = sizeof(struct fc_port *),
3277         .show_rport_supported_classes = 1,
3278
3279         .get_starget_node_name = qla2x00_get_starget_node_name,
3280         .show_starget_node_name = 1,
3281         .get_starget_port_name = qla2x00_get_starget_port_name,
3282         .show_starget_port_name = 1,
3283         .get_starget_port_id  = qla2x00_get_starget_port_id,
3284         .show_starget_port_id = 1,
3285
3286         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
3287         .show_rport_dev_loss_tmo = 1,
3288
3289         .issue_fc_host_lip = qla2x00_issue_lip,
3290         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
3291         .terminate_rport_io = qla2x00_terminate_rport_io,
3292         .get_fc_host_stats = qla2x00_get_fc_host_stats,
3293         .reset_fc_host_stats = qla2x00_reset_host_stats,
3294
3295         .vport_create = qla24xx_vport_create,
3296         .vport_disable = qla24xx_vport_disable,
3297         .vport_delete = qla24xx_vport_delete,
3298         .bsg_request = qla24xx_bsg_request,
3299         .bsg_timeout = qla24xx_bsg_timeout,
3300 };
3301
3302 struct fc_function_template qla2xxx_transport_vport_functions = {
3303
3304         .show_host_node_name = 1,
3305         .show_host_port_name = 1,
3306         .show_host_supported_classes = 1,
3307
3308         .get_host_port_id = qla2x00_get_host_port_id,
3309         .show_host_port_id = 1,
3310         .get_host_speed = qla2x00_get_host_speed,
3311         .show_host_speed = 1,
3312         .get_host_port_type = qla2x00_get_host_port_type,
3313         .show_host_port_type = 1,
3314         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
3315         .show_host_symbolic_name = 1,
3316         .set_host_system_hostname = qla2x00_set_host_system_hostname,
3317         .show_host_system_hostname = 1,
3318         .get_host_fabric_name = qla2x00_get_host_fabric_name,
3319         .show_host_fabric_name = 1,
3320         .get_host_port_state = qla2x00_get_host_port_state,
3321         .show_host_port_state = 1,
3322
3323         .dd_fcrport_size = sizeof(struct fc_port *),
3324         .show_rport_supported_classes = 1,
3325
3326         .get_starget_node_name = qla2x00_get_starget_node_name,
3327         .show_starget_node_name = 1,
3328         .get_starget_port_name = qla2x00_get_starget_port_name,
3329         .show_starget_port_name = 1,
3330         .get_starget_port_id  = qla2x00_get_starget_port_id,
3331         .show_starget_port_id = 1,
3332
3333         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
3334         .show_rport_dev_loss_tmo = 1,
3335
3336         .issue_fc_host_lip = qla2x00_issue_lip,
3337         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
3338         .terminate_rport_io = qla2x00_terminate_rport_io,
3339         .get_fc_host_stats = qla2x00_get_fc_host_stats,
3340         .reset_fc_host_stats = qla2x00_reset_host_stats,
3341
3342         .bsg_request = qla24xx_bsg_request,
3343         .bsg_timeout = qla24xx_bsg_timeout,
3344 };
3345
3346 static uint
3347 qla2x00_get_host_supported_speeds(scsi_qla_host_t *vha, uint speeds)
3348 {
3349         uint supported_speeds = FC_PORTSPEED_UNKNOWN;
3350
3351         if (speeds & FDMI_PORT_SPEED_64GB)
3352                 supported_speeds |= FC_PORTSPEED_64GBIT;
3353         if (speeds & FDMI_PORT_SPEED_32GB)
3354                 supported_speeds |= FC_PORTSPEED_32GBIT;
3355         if (speeds & FDMI_PORT_SPEED_16GB)
3356                 supported_speeds |= FC_PORTSPEED_16GBIT;
3357         if (speeds & FDMI_PORT_SPEED_8GB)
3358                 supported_speeds |= FC_PORTSPEED_8GBIT;
3359         if (speeds & FDMI_PORT_SPEED_4GB)
3360                 supported_speeds |= FC_PORTSPEED_4GBIT;
3361         if (speeds & FDMI_PORT_SPEED_2GB)
3362                 supported_speeds |= FC_PORTSPEED_2GBIT;
3363         if (speeds & FDMI_PORT_SPEED_1GB)
3364                 supported_speeds |= FC_PORTSPEED_1GBIT;
3365
3366         return supported_speeds;
3367 }
3368
3369 void
3370 qla2x00_init_host_attr(scsi_qla_host_t *vha)
3371 {
3372         struct qla_hw_data *ha = vha->hw;
3373         u32 speeds = 0, fdmi_speed = 0;
3374
3375         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
3376         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
3377         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
3378         fc_host_supported_classes(vha->host) = ha->base_qpair->enable_class_2 ?
3379                         (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
3380         fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
3381         fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
3382
3383         fdmi_speed = qla25xx_fdmi_port_speed_capability(ha);
3384         speeds = qla2x00_get_host_supported_speeds(vha, fdmi_speed);
3385
3386         fc_host_supported_speeds(vha->host) = speeds;
3387 }