linux/drivers/scsi/qla2xxx/qla_attr.c
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   1/*
   2 * QLogic Fibre Channel HBA Driver
   3 * Copyright (c)  2003-2014 QLogic Corporation
   4 *
   5 * See LICENSE.qla2xxx for copyright and licensing details.
   6 */
   7#include "qla_def.h"
   8#include "qla_target.h"
   9
  10#include <linux/kthread.h>
  11#include <linux/vmalloc.h>
  12#include <linux/slab.h>
  13#include <linux/delay.h>
  14
  15static int qla24xx_vport_disable(struct fc_vport *, bool);
  16
  17/* SYSFS attributes --------------------------------------------------------- */
  18
  19static ssize_t
  20qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj,
  21                           struct bin_attribute *bin_attr,
  22                           char *buf, loff_t off, size_t count)
  23{
  24        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
  25            struct device, kobj)));
  26        struct qla_hw_data *ha = vha->hw;
  27        int rval = 0;
  28
  29        if (!(ha->fw_dump_reading || ha->mctp_dump_reading))
  30                return 0;
  31
  32        if (IS_P3P_TYPE(ha)) {
  33                if (off < ha->md_template_size) {
  34                        rval = memory_read_from_buffer(buf, count,
  35                            &off, ha->md_tmplt_hdr, ha->md_template_size);
  36                        return rval;
  37                }
  38                off -= ha->md_template_size;
  39                rval = memory_read_from_buffer(buf, count,
  40                    &off, ha->md_dump, ha->md_dump_size);
  41                return rval;
  42        } else if (ha->mctp_dumped && ha->mctp_dump_reading)
  43                return memory_read_from_buffer(buf, count, &off, ha->mctp_dump,
  44                    MCTP_DUMP_SIZE);
  45        else if (ha->fw_dump_reading)
  46                return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
  47                                        ha->fw_dump_len);
  48        else
  49                return 0;
  50}
  51
  52static ssize_t
  53qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
  54                            struct bin_attribute *bin_attr,
  55                            char *buf, loff_t off, size_t count)
  56{
  57        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
  58            struct device, kobj)));
  59        struct qla_hw_data *ha = vha->hw;
  60        int reading;
  61
  62        if (off != 0)
  63                return (0);
  64
  65        reading = simple_strtol(buf, NULL, 10);
  66        switch (reading) {
  67        case 0:
  68                if (!ha->fw_dump_reading)
  69                        break;
  70
  71                ql_log(ql_log_info, vha, 0x705d,
  72                    "Firmware dump cleared on (%ld).\n", vha->host_no);
  73
  74                if (IS_P3P_TYPE(ha)) {
  75                        qla82xx_md_free(vha);
  76                        qla82xx_md_prep(vha);
  77                }
  78                ha->fw_dump_reading = 0;
  79                ha->fw_dumped = 0;
  80                break;
  81        case 1:
  82                if (ha->fw_dumped && !ha->fw_dump_reading) {
  83                        ha->fw_dump_reading = 1;
  84
  85                        ql_log(ql_log_info, vha, 0x705e,
  86                            "Raw firmware dump ready for read on (%ld).\n",
  87                            vha->host_no);
  88                }
  89                break;
  90        case 2:
  91                qla2x00_alloc_fw_dump(vha);
  92                break;
  93        case 3:
  94                if (IS_QLA82XX(ha)) {
  95                        qla82xx_idc_lock(ha);
  96                        qla82xx_set_reset_owner(vha);
  97                        qla82xx_idc_unlock(ha);
  98                } else if (IS_QLA8044(ha)) {
  99                        qla8044_idc_lock(ha);
 100                        qla82xx_set_reset_owner(vha);
 101                        qla8044_idc_unlock(ha);
 102                } else
 103                        qla2x00_system_error(vha);
 104                break;
 105        case 4:
 106                if (IS_P3P_TYPE(ha)) {
 107                        if (ha->md_tmplt_hdr)
 108                                ql_dbg(ql_dbg_user, vha, 0x705b,
 109                                    "MiniDump supported with this firmware.\n");
 110                        else
 111                                ql_dbg(ql_dbg_user, vha, 0x709d,
 112                                    "MiniDump not supported with this firmware.\n");
 113                }
 114                break;
 115        case 5:
 116                if (IS_P3P_TYPE(ha))
 117                        set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 118                break;
 119        case 6:
 120                if (!ha->mctp_dump_reading)
 121                        break;
 122                ql_log(ql_log_info, vha, 0x70c1,
 123                    "MCTP dump cleared on (%ld).\n", vha->host_no);
 124                ha->mctp_dump_reading = 0;
 125                ha->mctp_dumped = 0;
 126                break;
 127        case 7:
 128                if (ha->mctp_dumped && !ha->mctp_dump_reading) {
 129                        ha->mctp_dump_reading = 1;
 130                        ql_log(ql_log_info, vha, 0x70c2,
 131                            "Raw mctp dump ready for read on (%ld).\n",
 132                            vha->host_no);
 133                }
 134                break;
 135        }
 136        return count;
 137}
 138
 139static struct bin_attribute sysfs_fw_dump_attr = {
 140        .attr = {
 141                .name = "fw_dump",
 142                .mode = S_IRUSR | S_IWUSR,
 143        },
 144        .size = 0,
 145        .read = qla2x00_sysfs_read_fw_dump,
 146        .write = qla2x00_sysfs_write_fw_dump,
 147};
 148
 149static ssize_t
 150qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
 151                         struct bin_attribute *bin_attr,
 152                         char *buf, loff_t off, size_t count)
 153{
 154        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 155            struct device, kobj)));
 156        struct qla_hw_data *ha = vha->hw;
 157
 158        if (!capable(CAP_SYS_ADMIN))
 159                return 0;
 160
 161        if (IS_NOCACHE_VPD_TYPE(ha))
 162                ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
 163                    ha->nvram_size);
 164        return memory_read_from_buffer(buf, count, &off, ha->nvram,
 165                                        ha->nvram_size);
 166}
 167
 168static ssize_t
 169qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
 170                          struct bin_attribute *bin_attr,
 171                          char *buf, loff_t off, size_t count)
 172{
 173        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 174            struct device, kobj)));
 175        struct qla_hw_data *ha = vha->hw;
 176        uint16_t        cnt;
 177
 178        if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
 179            !ha->isp_ops->write_nvram)
 180                return -EINVAL;
 181
 182        /* Checksum NVRAM. */
 183        if (IS_FWI2_CAPABLE(ha)) {
 184                uint32_t *iter;
 185                uint32_t chksum;
 186
 187                iter = (uint32_t *)buf;
 188                chksum = 0;
 189                for (cnt = 0; cnt < ((count >> 2) - 1); cnt++, iter++)
 190                        chksum += le32_to_cpu(*iter);
 191                chksum = ~chksum + 1;
 192                *iter = cpu_to_le32(chksum);
 193        } else {
 194                uint8_t *iter;
 195                uint8_t chksum;
 196
 197                iter = (uint8_t *)buf;
 198                chksum = 0;
 199                for (cnt = 0; cnt < count - 1; cnt++)
 200                        chksum += *iter++;
 201                chksum = ~chksum + 1;
 202                *iter = chksum;
 203        }
 204
 205        if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 206                ql_log(ql_log_warn, vha, 0x705f,
 207                    "HBA not online, failing NVRAM update.\n");
 208                return -EAGAIN;
 209        }
 210
 211        /* Write NVRAM. */
 212        ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
 213        ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
 214            count);
 215
 216        ql_dbg(ql_dbg_user, vha, 0x7060,
 217            "Setting ISP_ABORT_NEEDED\n");
 218        /* NVRAM settings take effect immediately. */
 219        set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 220        qla2xxx_wake_dpc(vha);
 221        qla2x00_wait_for_chip_reset(vha);
 222
 223        return count;
 224}
 225
 226static struct bin_attribute sysfs_nvram_attr = {
 227        .attr = {
 228                .name = "nvram",
 229                .mode = S_IRUSR | S_IWUSR,
 230        },
 231        .size = 512,
 232        .read = qla2x00_sysfs_read_nvram,
 233        .write = qla2x00_sysfs_write_nvram,
 234};
 235
 236static ssize_t
 237qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
 238                          struct bin_attribute *bin_attr,
 239                          char *buf, loff_t off, size_t count)
 240{
 241        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 242            struct device, kobj)));
 243        struct qla_hw_data *ha = vha->hw;
 244        ssize_t rval = 0;
 245
 246        if (ha->optrom_state != QLA_SREADING)
 247                return 0;
 248
 249        mutex_lock(&ha->optrom_mutex);
 250        rval = memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
 251            ha->optrom_region_size);
 252        mutex_unlock(&ha->optrom_mutex);
 253
 254        return rval;
 255}
 256
 257static ssize_t
 258qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
 259                           struct bin_attribute *bin_attr,
 260                           char *buf, loff_t off, size_t count)
 261{
 262        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 263            struct device, kobj)));
 264        struct qla_hw_data *ha = vha->hw;
 265
 266        if (ha->optrom_state != QLA_SWRITING)
 267                return -EINVAL;
 268        if (off > ha->optrom_region_size)
 269                return -ERANGE;
 270        if (off + count > ha->optrom_region_size)
 271                count = ha->optrom_region_size - off;
 272
 273        mutex_lock(&ha->optrom_mutex);
 274        memcpy(&ha->optrom_buffer[off], buf, count);
 275        mutex_unlock(&ha->optrom_mutex);
 276
 277        return count;
 278}
 279
 280static struct bin_attribute sysfs_optrom_attr = {
 281        .attr = {
 282                .name = "optrom",
 283                .mode = S_IRUSR | S_IWUSR,
 284        },
 285        .size = 0,
 286        .read = qla2x00_sysfs_read_optrom,
 287        .write = qla2x00_sysfs_write_optrom,
 288};
 289
 290static ssize_t
 291qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 292                               struct bin_attribute *bin_attr,
 293                               char *buf, loff_t off, size_t count)
 294{
 295        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 296            struct device, kobj)));
 297        struct qla_hw_data *ha = vha->hw;
 298        uint32_t start = 0;
 299        uint32_t size = ha->optrom_size;
 300        int val, valid;
 301        ssize_t rval = count;
 302
 303        if (off)
 304                return -EINVAL;
 305
 306        if (unlikely(pci_channel_offline(ha->pdev)))
 307                return -EAGAIN;
 308
 309        if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
 310                return -EINVAL;
 311        if (start > ha->optrom_size)
 312                return -EINVAL;
 313
 314        mutex_lock(&ha->optrom_mutex);
 315        switch (val) {
 316        case 0:
 317                if (ha->optrom_state != QLA_SREADING &&
 318                    ha->optrom_state != QLA_SWRITING) {
 319                        rval =  -EINVAL;
 320                        goto out;
 321                }
 322                ha->optrom_state = QLA_SWAITING;
 323
 324                ql_dbg(ql_dbg_user, vha, 0x7061,
 325                    "Freeing flash region allocation -- 0x%x bytes.\n",
 326                    ha->optrom_region_size);
 327
 328                vfree(ha->optrom_buffer);
 329                ha->optrom_buffer = NULL;
 330                break;
 331        case 1:
 332                if (ha->optrom_state != QLA_SWAITING) {
 333                        rval = -EINVAL;
 334                        goto out;
 335                }
 336
 337                ha->optrom_region_start = start;
 338                ha->optrom_region_size = start + size > ha->optrom_size ?
 339                    ha->optrom_size - start : size;
 340
 341                ha->optrom_state = QLA_SREADING;
 342                ha->optrom_buffer = vmalloc(ha->optrom_region_size);
 343                if (ha->optrom_buffer == NULL) {
 344                        ql_log(ql_log_warn, vha, 0x7062,
 345                            "Unable to allocate memory for optrom retrieval "
 346                            "(%x).\n", ha->optrom_region_size);
 347
 348                        ha->optrom_state = QLA_SWAITING;
 349                        rval = -ENOMEM;
 350                        goto out;
 351                }
 352
 353                if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 354                        ql_log(ql_log_warn, vha, 0x7063,
 355                            "HBA not online, failing NVRAM update.\n");
 356                        rval = -EAGAIN;
 357                        goto out;
 358                }
 359
 360                ql_dbg(ql_dbg_user, vha, 0x7064,
 361                    "Reading flash region -- 0x%x/0x%x.\n",
 362                    ha->optrom_region_start, ha->optrom_region_size);
 363
 364                memset(ha->optrom_buffer, 0, ha->optrom_region_size);
 365                ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
 366                    ha->optrom_region_start, ha->optrom_region_size);
 367                break;
 368        case 2:
 369                if (ha->optrom_state != QLA_SWAITING) {
 370                        rval = -EINVAL;
 371                        goto out;
 372                }
 373
 374                /*
 375                 * We need to be more restrictive on which FLASH regions are
 376                 * allowed to be updated via user-space.  Regions accessible
 377                 * via this method include:
 378                 *
 379                 * ISP21xx/ISP22xx/ISP23xx type boards:
 380                 *
 381                 *      0x000000 -> 0x020000 -- Boot code.
 382                 *
 383                 * ISP2322/ISP24xx type boards:
 384                 *
 385                 *      0x000000 -> 0x07ffff -- Boot code.
 386                 *      0x080000 -> 0x0fffff -- Firmware.
 387                 *
 388                 * ISP25xx type boards:
 389                 *
 390                 *      0x000000 -> 0x07ffff -- Boot code.
 391                 *      0x080000 -> 0x0fffff -- Firmware.
 392                 *      0x120000 -> 0x12ffff -- VPD and HBA parameters.
 393                 */
 394                valid = 0;
 395                if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
 396                        valid = 1;
 397                else if (start == (ha->flt_region_boot * 4) ||
 398                    start == (ha->flt_region_fw * 4))
 399                        valid = 1;
 400                else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)
 401                        || IS_CNA_CAPABLE(ha) || IS_QLA2031(ha)
 402                        || IS_QLA27XX(ha))
 403                        valid = 1;
 404                if (!valid) {
 405                        ql_log(ql_log_warn, vha, 0x7065,
 406                            "Invalid start region 0x%x/0x%x.\n", start, size);
 407                        rval = -EINVAL;
 408                        goto out;
 409                }
 410
 411                ha->optrom_region_start = start;
 412                ha->optrom_region_size = start + size > ha->optrom_size ?
 413                    ha->optrom_size - start : size;
 414
 415                ha->optrom_state = QLA_SWRITING;
 416                ha->optrom_buffer = vmalloc(ha->optrom_region_size);
 417                if (ha->optrom_buffer == NULL) {
 418                        ql_log(ql_log_warn, vha, 0x7066,
 419                            "Unable to allocate memory for optrom update "
 420                            "(%x)\n", ha->optrom_region_size);
 421
 422                        ha->optrom_state = QLA_SWAITING;
 423                        rval = -ENOMEM;
 424                        goto out;
 425                }
 426
 427                ql_dbg(ql_dbg_user, vha, 0x7067,
 428                    "Staging flash region write -- 0x%x/0x%x.\n",
 429                    ha->optrom_region_start, ha->optrom_region_size);
 430
 431                memset(ha->optrom_buffer, 0, ha->optrom_region_size);
 432                break;
 433        case 3:
 434                if (ha->optrom_state != QLA_SWRITING) {
 435                        rval = -EINVAL;
 436                        goto out;
 437                }
 438
 439                if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 440                        ql_log(ql_log_warn, vha, 0x7068,
 441                            "HBA not online, failing flash update.\n");
 442                        rval = -EAGAIN;
 443                        goto out;
 444                }
 445
 446                ql_dbg(ql_dbg_user, vha, 0x7069,
 447                    "Writing flash region -- 0x%x/0x%x.\n",
 448                    ha->optrom_region_start, ha->optrom_region_size);
 449
 450                ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
 451                    ha->optrom_region_start, ha->optrom_region_size);
 452                break;
 453        default:
 454                rval = -EINVAL;
 455        }
 456
 457out:
 458        mutex_unlock(&ha->optrom_mutex);
 459        return rval;
 460}
 461
 462static struct bin_attribute sysfs_optrom_ctl_attr = {
 463        .attr = {
 464                .name = "optrom_ctl",
 465                .mode = S_IWUSR,
 466        },
 467        .size = 0,
 468        .write = qla2x00_sysfs_write_optrom_ctl,
 469};
 470
 471static ssize_t
 472qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
 473                       struct bin_attribute *bin_attr,
 474                       char *buf, loff_t off, size_t count)
 475{
 476        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 477            struct device, kobj)));
 478        struct qla_hw_data *ha = vha->hw;
 479        uint32_t faddr;
 480
 481        if (unlikely(pci_channel_offline(ha->pdev)))
 482                return -EAGAIN;
 483
 484        if (!capable(CAP_SYS_ADMIN))
 485                return -EINVAL;
 486
 487        if (IS_NOCACHE_VPD_TYPE(ha)) {
 488                faddr = ha->flt_region_vpd << 2;
 489
 490                if (IS_QLA27XX(ha) &&
 491                    qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
 492                        faddr = ha->flt_region_vpd_sec << 2;
 493
 494                ha->isp_ops->read_optrom(vha, ha->vpd, faddr,
 495                    ha->vpd_size);
 496        }
 497        return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
 498}
 499
 500static ssize_t
 501qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
 502                        struct bin_attribute *bin_attr,
 503                        char *buf, loff_t off, size_t count)
 504{
 505        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 506            struct device, kobj)));
 507        struct qla_hw_data *ha = vha->hw;
 508        uint8_t *tmp_data;
 509
 510        if (unlikely(pci_channel_offline(ha->pdev)))
 511                return 0;
 512
 513        if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
 514            !ha->isp_ops->write_nvram)
 515                return 0;
 516
 517        if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 518                ql_log(ql_log_warn, vha, 0x706a,
 519                    "HBA not online, failing VPD update.\n");
 520                return -EAGAIN;
 521        }
 522
 523        /* Write NVRAM. */
 524        ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
 525        ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
 526
 527        /* Update flash version information for 4Gb & above. */
 528        if (!IS_FWI2_CAPABLE(ha))
 529                return -EINVAL;
 530
 531        tmp_data = vmalloc(256);
 532        if (!tmp_data) {
 533                ql_log(ql_log_warn, vha, 0x706b,
 534                    "Unable to allocate memory for VPD information update.\n");
 535                return -ENOMEM;
 536        }
 537        ha->isp_ops->get_flash_version(vha, tmp_data);
 538        vfree(tmp_data);
 539
 540        return count;
 541}
 542
 543static struct bin_attribute sysfs_vpd_attr = {
 544        .attr = {
 545                .name = "vpd",
 546                .mode = S_IRUSR | S_IWUSR,
 547        },
 548        .size = 0,
 549        .read = qla2x00_sysfs_read_vpd,
 550        .write = qla2x00_sysfs_write_vpd,
 551};
 552
 553static ssize_t
 554qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
 555                       struct bin_attribute *bin_attr,
 556                       char *buf, loff_t off, size_t count)
 557{
 558        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 559            struct device, kobj)));
 560        struct qla_hw_data *ha = vha->hw;
 561        uint16_t iter, addr, offset;
 562        int rval;
 563
 564        if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
 565                return 0;
 566
 567        if (ha->sfp_data)
 568                goto do_read;
 569
 570        ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
 571            &ha->sfp_data_dma);
 572        if (!ha->sfp_data) {
 573                ql_log(ql_log_warn, vha, 0x706c,
 574                    "Unable to allocate memory for SFP read-data.\n");
 575                return 0;
 576        }
 577
 578do_read:
 579        memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
 580        addr = 0xa0;
 581        for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
 582            iter++, offset += SFP_BLOCK_SIZE) {
 583                if (iter == 4) {
 584                        /* Skip to next device address. */
 585                        addr = 0xa2;
 586                        offset = 0;
 587                }
 588
 589                rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
 590                    addr, offset, SFP_BLOCK_SIZE, BIT_1);
 591                if (rval != QLA_SUCCESS) {
 592                        ql_log(ql_log_warn, vha, 0x706d,
 593                            "Unable to read SFP data (%x/%x/%x).\n", rval,
 594                            addr, offset);
 595
 596                        return -EIO;
 597                }
 598                memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 599                buf += SFP_BLOCK_SIZE;
 600        }
 601
 602        return count;
 603}
 604
 605static struct bin_attribute sysfs_sfp_attr = {
 606        .attr = {
 607                .name = "sfp",
 608                .mode = S_IRUSR | S_IWUSR,
 609        },
 610        .size = SFP_DEV_SIZE * 2,
 611        .read = qla2x00_sysfs_read_sfp,
 612};
 613
 614static ssize_t
 615qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
 616                        struct bin_attribute *bin_attr,
 617                        char *buf, loff_t off, size_t count)
 618{
 619        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 620            struct device, kobj)));
 621        struct qla_hw_data *ha = vha->hw;
 622        struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 623        int type;
 624        uint32_t idc_control;
 625        uint8_t *tmp_data = NULL;
 626        if (off != 0)
 627                return -EINVAL;
 628
 629        type = simple_strtol(buf, NULL, 10);
 630        switch (type) {
 631        case 0x2025c:
 632                ql_log(ql_log_info, vha, 0x706e,
 633                    "Issuing ISP reset.\n");
 634
 635                scsi_block_requests(vha->host);
 636                if (IS_QLA82XX(ha)) {
 637                        ha->flags.isp82xx_no_md_cap = 1;
 638                        qla82xx_idc_lock(ha);
 639                        qla82xx_set_reset_owner(vha);
 640                        qla82xx_idc_unlock(ha);
 641                } else if (IS_QLA8044(ha)) {
 642                        qla8044_idc_lock(ha);
 643                        idc_control = qla8044_rd_reg(ha,
 644                            QLA8044_IDC_DRV_CTRL);
 645                        qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
 646                            (idc_control | GRACEFUL_RESET_BIT1));
 647                        qla82xx_set_reset_owner(vha);
 648                        qla8044_idc_unlock(ha);
 649                } else {
 650                        set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 651                        qla2xxx_wake_dpc(vha);
 652                }
 653                qla2x00_wait_for_chip_reset(vha);
 654                scsi_unblock_requests(vha->host);
 655                break;
 656        case 0x2025d:
 657                if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
 658                        return -EPERM;
 659
 660                ql_log(ql_log_info, vha, 0x706f,
 661                    "Issuing MPI reset.\n");
 662
 663                if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
 664                        uint32_t idc_control;
 665
 666                        qla83xx_idc_lock(vha, 0);
 667                        __qla83xx_get_idc_control(vha, &idc_control);
 668                        idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
 669                        __qla83xx_set_idc_control(vha, idc_control);
 670                        qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 671                            QLA8XXX_DEV_NEED_RESET);
 672                        qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
 673                        qla83xx_idc_unlock(vha, 0);
 674                        break;
 675                } else {
 676                        /* Make sure FC side is not in reset */
 677                        qla2x00_wait_for_hba_online(vha);
 678
 679                        /* Issue MPI reset */
 680                        scsi_block_requests(vha->host);
 681                        if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
 682                                ql_log(ql_log_warn, vha, 0x7070,
 683                                    "MPI reset failed.\n");
 684                        scsi_unblock_requests(vha->host);
 685                        break;
 686                }
 687        case 0x2025e:
 688                if (!IS_P3P_TYPE(ha) || vha != base_vha) {
 689                        ql_log(ql_log_info, vha, 0x7071,
 690                            "FCoE ctx reset no supported.\n");
 691                        return -EPERM;
 692                }
 693
 694                ql_log(ql_log_info, vha, 0x7072,
 695                    "Issuing FCoE ctx reset.\n");
 696                set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
 697                qla2xxx_wake_dpc(vha);
 698                qla2x00_wait_for_fcoe_ctx_reset(vha);
 699                break;
 700        case 0x2025f:
 701                if (!IS_QLA8031(ha))
 702                        return -EPERM;
 703                ql_log(ql_log_info, vha, 0x70bc,
 704                    "Disabling Reset by IDC control\n");
 705                qla83xx_idc_lock(vha, 0);
 706                __qla83xx_get_idc_control(vha, &idc_control);
 707                idc_control |= QLA83XX_IDC_RESET_DISABLED;
 708                __qla83xx_set_idc_control(vha, idc_control);
 709                qla83xx_idc_unlock(vha, 0);
 710                break;
 711        case 0x20260:
 712                if (!IS_QLA8031(ha))
 713                        return -EPERM;
 714                ql_log(ql_log_info, vha, 0x70bd,
 715                    "Enabling Reset by IDC control\n");
 716                qla83xx_idc_lock(vha, 0);
 717                __qla83xx_get_idc_control(vha, &idc_control);
 718                idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
 719                __qla83xx_set_idc_control(vha, idc_control);
 720                qla83xx_idc_unlock(vha, 0);
 721                break;
 722        case 0x20261:
 723                ql_dbg(ql_dbg_user, vha, 0x70e0,
 724                    "Updating cache versions without reset ");
 725
 726                tmp_data = vmalloc(256);
 727                if (!tmp_data) {
 728                        ql_log(ql_log_warn, vha, 0x70e1,
 729                            "Unable to allocate memory for VPD information update.\n");
 730                        return -ENOMEM;
 731                }
 732                ha->isp_ops->get_flash_version(vha, tmp_data);
 733                vfree(tmp_data);
 734                break;
 735        }
 736        return count;
 737}
 738
 739static struct bin_attribute sysfs_reset_attr = {
 740        .attr = {
 741                .name = "reset",
 742                .mode = S_IWUSR,
 743        },
 744        .size = 0,
 745        .write = qla2x00_sysfs_write_reset,
 746};
 747
 748static ssize_t
 749qla2x00_issue_logo(struct file *filp, struct kobject *kobj,
 750                        struct bin_attribute *bin_attr,
 751                        char *buf, loff_t off, size_t count)
 752{
 753        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 754            struct device, kobj)));
 755        int type;
 756        int rval = 0;
 757        port_id_t did;
 758
 759        type = simple_strtol(buf, NULL, 10);
 760
 761        did.b.domain = (type & 0x00ff0000) >> 16;
 762        did.b.area = (type & 0x0000ff00) >> 8;
 763        did.b.al_pa = (type & 0x000000ff);
 764
 765        ql_log(ql_log_info, vha, 0x70e3, "portid=%02x%02x%02x done\n",
 766            did.b.domain, did.b.area, did.b.al_pa);
 767
 768        ql_log(ql_log_info, vha, 0x70e4, "%s: %d\n", __func__, type);
 769
 770        rval = qla24xx_els_dcmd_iocb(vha, ELS_DCMD_LOGO, did);
 771        return count;
 772}
 773
 774static struct bin_attribute sysfs_issue_logo_attr = {
 775        .attr = {
 776                .name = "issue_logo",
 777                .mode = S_IWUSR,
 778        },
 779        .size = 0,
 780        .write = qla2x00_issue_logo,
 781};
 782
 783static ssize_t
 784qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
 785                       struct bin_attribute *bin_attr,
 786                       char *buf, loff_t off, size_t count)
 787{
 788        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 789            struct device, kobj)));
 790        struct qla_hw_data *ha = vha->hw;
 791        int rval;
 792        uint16_t actual_size;
 793
 794        if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
 795                return 0;
 796
 797        if (ha->xgmac_data)
 798                goto do_read;
 799
 800        ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
 801            &ha->xgmac_data_dma, GFP_KERNEL);
 802        if (!ha->xgmac_data) {
 803                ql_log(ql_log_warn, vha, 0x7076,
 804                    "Unable to allocate memory for XGMAC read-data.\n");
 805                return 0;
 806        }
 807
 808do_read:
 809        actual_size = 0;
 810        memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
 811
 812        rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
 813            XGMAC_DATA_SIZE, &actual_size);
 814        if (rval != QLA_SUCCESS) {
 815                ql_log(ql_log_warn, vha, 0x7077,
 816                    "Unable to read XGMAC data (%x).\n", rval);
 817                count = 0;
 818        }
 819
 820        count = actual_size > count ? count: actual_size;
 821        memcpy(buf, ha->xgmac_data, count);
 822
 823        return count;
 824}
 825
 826static struct bin_attribute sysfs_xgmac_stats_attr = {
 827        .attr = {
 828                .name = "xgmac_stats",
 829                .mode = S_IRUSR,
 830        },
 831        .size = 0,
 832        .read = qla2x00_sysfs_read_xgmac_stats,
 833};
 834
 835static ssize_t
 836qla2x00_sysfs_read_dcbx_tlv(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        struct qla_hw_data *ha = vha->hw;
 843        int rval;
 844
 845        if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
 846                return 0;
 847
 848        if (ha->dcbx_tlv)
 849                goto do_read;
 850
 851        ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
 852            &ha->dcbx_tlv_dma, GFP_KERNEL);
 853        if (!ha->dcbx_tlv) {
 854                ql_log(ql_log_warn, vha, 0x7078,
 855                    "Unable to allocate memory for DCBX TLV read-data.\n");
 856                return -ENOMEM;
 857        }
 858
 859do_read:
 860        memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
 861
 862        rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
 863            DCBX_TLV_DATA_SIZE);
 864        if (rval != QLA_SUCCESS) {
 865                ql_log(ql_log_warn, vha, 0x7079,
 866                    "Unable to read DCBX TLV (%x).\n", rval);
 867                return -EIO;
 868        }
 869
 870        memcpy(buf, ha->dcbx_tlv, count);
 871
 872        return count;
 873}
 874
 875static struct bin_attribute sysfs_dcbx_tlv_attr = {
 876        .attr = {
 877                .name = "dcbx_tlv",
 878                .mode = S_IRUSR,
 879        },
 880        .size = 0,
 881        .read = qla2x00_sysfs_read_dcbx_tlv,
 882};
 883
 884static struct sysfs_entry {
 885        char *name;
 886        struct bin_attribute *attr;
 887        int is4GBp_only;
 888} bin_file_entries[] = {
 889        { "fw_dump", &sysfs_fw_dump_attr, },
 890        { "nvram", &sysfs_nvram_attr, },
 891        { "optrom", &sysfs_optrom_attr, },
 892        { "optrom_ctl", &sysfs_optrom_ctl_attr, },
 893        { "vpd", &sysfs_vpd_attr, 1 },
 894        { "sfp", &sysfs_sfp_attr, 1 },
 895        { "reset", &sysfs_reset_attr, },
 896        { "issue_logo", &sysfs_issue_logo_attr, },
 897        { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
 898        { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
 899        { NULL },
 900};
 901
 902void
 903qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
 904{
 905        struct Scsi_Host *host = vha->host;
 906        struct sysfs_entry *iter;
 907        int ret;
 908
 909        for (iter = bin_file_entries; iter->name; iter++) {
 910                if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
 911                        continue;
 912                if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
 913                        continue;
 914                if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
 915                        continue;
 916
 917                ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
 918                    iter->attr);
 919                if (ret)
 920                        ql_log(ql_log_warn, vha, 0x00f3,
 921                            "Unable to create sysfs %s binary attribute (%d).\n",
 922                            iter->name, ret);
 923                else
 924                        ql_dbg(ql_dbg_init, vha, 0x00f4,
 925                            "Successfully created sysfs %s binary attribure.\n",
 926                            iter->name);
 927        }
 928}
 929
 930void
 931qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
 932{
 933        struct Scsi_Host *host = vha->host;
 934        struct sysfs_entry *iter;
 935        struct qla_hw_data *ha = vha->hw;
 936
 937        for (iter = bin_file_entries; iter->name; iter++) {
 938                if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
 939                        continue;
 940                if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
 941                        continue;
 942                if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
 943                        continue;
 944                if (iter->is4GBp_only == 0x27 && !IS_QLA27XX(vha->hw))
 945                        continue;
 946
 947                sysfs_remove_bin_file(&host->shost_gendev.kobj,
 948                    iter->attr);
 949        }
 950
 951        if (stop_beacon && ha->beacon_blink_led == 1)
 952                ha->isp_ops->beacon_off(vha);
 953}
 954
 955/* Scsi_Host attributes. */
 956
 957static ssize_t
 958qla2x00_drvr_version_show(struct device *dev,
 959                          struct device_attribute *attr, char *buf)
 960{
 961        return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 962}
 963
 964static ssize_t
 965qla2x00_fw_version_show(struct device *dev,
 966                        struct device_attribute *attr, char *buf)
 967{
 968        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 969        struct qla_hw_data *ha = vha->hw;
 970        char fw_str[128];
 971
 972        return scnprintf(buf, PAGE_SIZE, "%s\n",
 973            ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
 974}
 975
 976static ssize_t
 977qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
 978                        char *buf)
 979{
 980        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 981        struct qla_hw_data *ha = vha->hw;
 982        uint32_t sn;
 983
 984        if (IS_QLAFX00(vha->hw)) {
 985                return scnprintf(buf, PAGE_SIZE, "%s\n",
 986                    vha->hw->mr.serial_num);
 987        } else if (IS_FWI2_CAPABLE(ha)) {
 988                qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
 989                return strlen(strcat(buf, "\n"));
 990        }
 991
 992        sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 993        return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 994            sn % 100000);
 995}
 996
 997static ssize_t
 998qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
 999                      char *buf)
1000{
1001        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1002        return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1003}
1004
1005static ssize_t
1006qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
1007                    char *buf)
1008{
1009        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1010        struct qla_hw_data *ha = vha->hw;
1011
1012        if (IS_QLAFX00(vha->hw))
1013                return scnprintf(buf, PAGE_SIZE, "%s\n",
1014                    vha->hw->mr.hw_version);
1015
1016        return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1017            ha->product_id[0], ha->product_id[1], ha->product_id[2],
1018            ha->product_id[3]);
1019}
1020
1021static ssize_t
1022qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1023                        char *buf)
1024{
1025        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1026
1027        return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1028}
1029
1030static ssize_t
1031qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1032                        char *buf)
1033{
1034        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1035        return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_desc);
1036}
1037
1038static ssize_t
1039qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
1040                      char *buf)
1041{
1042        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1043        char pci_info[30];
1044
1045        return scnprintf(buf, PAGE_SIZE, "%s\n",
1046            vha->hw->isp_ops->pci_info_str(vha, pci_info));
1047}
1048
1049static ssize_t
1050qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1051                        char *buf)
1052{
1053        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1054        struct qla_hw_data *ha = vha->hw;
1055        int len = 0;
1056
1057        if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1058            atomic_read(&vha->loop_state) == LOOP_DEAD ||
1059            vha->device_flags & DFLG_NO_CABLE)
1060                len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1061        else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1062            qla2x00_reset_active(vha))
1063                len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1064        else {
1065                len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1066
1067                switch (ha->current_topology) {
1068                case ISP_CFG_NL:
1069                        len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1070                        break;
1071                case ISP_CFG_FL:
1072                        len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1073                        break;
1074                case ISP_CFG_N:
1075                        len += scnprintf(buf + len, PAGE_SIZE-len,
1076                            "N_Port to N_Port\n");
1077                        break;
1078                case ISP_CFG_F:
1079                        len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1080                        break;
1081                default:
1082                        len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1083                        break;
1084                }
1085        }
1086        return len;
1087}
1088
1089static ssize_t
1090qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1091                 char *buf)
1092{
1093        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1094        int len = 0;
1095
1096        switch (vha->hw->zio_mode) {
1097        case QLA_ZIO_MODE_6:
1098                len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1099                break;
1100        case QLA_ZIO_DISABLED:
1101                len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1102                break;
1103        }
1104        return len;
1105}
1106
1107static ssize_t
1108qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1109                  const char *buf, size_t count)
1110{
1111        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1112        struct qla_hw_data *ha = vha->hw;
1113        int val = 0;
1114        uint16_t zio_mode;
1115
1116        if (!IS_ZIO_SUPPORTED(ha))
1117                return -ENOTSUPP;
1118
1119        if (sscanf(buf, "%d", &val) != 1)
1120                return -EINVAL;
1121
1122        if (val)
1123                zio_mode = QLA_ZIO_MODE_6;
1124        else
1125                zio_mode = QLA_ZIO_DISABLED;
1126
1127        /* Update per-hba values and queue a reset. */
1128        if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1129                ha->zio_mode = zio_mode;
1130                set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1131        }
1132        return strlen(buf);
1133}
1134
1135static ssize_t
1136qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1137                       char *buf)
1138{
1139        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1140
1141        return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1142}
1143
1144static ssize_t
1145qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1146                        const char *buf, size_t count)
1147{
1148        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1149        int val = 0;
1150        uint16_t zio_timer;
1151
1152        if (sscanf(buf, "%d", &val) != 1)
1153                return -EINVAL;
1154        if (val > 25500 || val < 100)
1155                return -ERANGE;
1156
1157        zio_timer = (uint16_t)(val / 100);
1158        vha->hw->zio_timer = zio_timer;
1159
1160        return strlen(buf);
1161}
1162
1163static ssize_t
1164qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1165                    char *buf)
1166{
1167        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1168        int len = 0;
1169
1170        if (vha->hw->beacon_blink_led)
1171                len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1172        else
1173                len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1174        return len;
1175}
1176
1177static ssize_t
1178qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1179                     const char *buf, size_t count)
1180{
1181        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1182        struct qla_hw_data *ha = vha->hw;
1183        int val = 0;
1184        int rval;
1185
1186        if (IS_QLA2100(ha) || IS_QLA2200(ha))
1187                return -EPERM;
1188
1189        if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1190                ql_log(ql_log_warn, vha, 0x707a,
1191                    "Abort ISP active -- ignoring beacon request.\n");
1192                return -EBUSY;
1193        }
1194
1195        if (sscanf(buf, "%d", &val) != 1)
1196                return -EINVAL;
1197
1198        if (val)
1199                rval = ha->isp_ops->beacon_on(vha);
1200        else
1201                rval = ha->isp_ops->beacon_off(vha);
1202
1203        if (rval != QLA_SUCCESS)
1204                count = 0;
1205
1206        return count;
1207}
1208
1209static ssize_t
1210qla2x00_optrom_bios_version_show(struct device *dev,
1211                                 struct device_attribute *attr, char *buf)
1212{
1213        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1214        struct qla_hw_data *ha = vha->hw;
1215        return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1216            ha->bios_revision[0]);
1217}
1218
1219static ssize_t
1220qla2x00_optrom_efi_version_show(struct device *dev,
1221                                struct device_attribute *attr, char *buf)
1222{
1223        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1224        struct qla_hw_data *ha = vha->hw;
1225        return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1226            ha->efi_revision[0]);
1227}
1228
1229static ssize_t
1230qla2x00_optrom_fcode_version_show(struct device *dev,
1231                                  struct device_attribute *attr, char *buf)
1232{
1233        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1234        struct qla_hw_data *ha = vha->hw;
1235        return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1236            ha->fcode_revision[0]);
1237}
1238
1239static ssize_t
1240qla2x00_optrom_fw_version_show(struct device *dev,
1241                               struct device_attribute *attr, char *buf)
1242{
1243        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1244        struct qla_hw_data *ha = vha->hw;
1245        return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1246            ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1247            ha->fw_revision[3]);
1248}
1249
1250static ssize_t
1251qla2x00_optrom_gold_fw_version_show(struct device *dev,
1252    struct device_attribute *attr, char *buf)
1253{
1254        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1255        struct qla_hw_data *ha = vha->hw;
1256
1257        if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1258                return scnprintf(buf, PAGE_SIZE, "\n");
1259
1260        return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1261            ha->gold_fw_version[0], ha->gold_fw_version[1],
1262            ha->gold_fw_version[2], ha->gold_fw_version[3]);
1263}
1264
1265static ssize_t
1266qla2x00_total_isp_aborts_show(struct device *dev,
1267                              struct device_attribute *attr, char *buf)
1268{
1269        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1270        return scnprintf(buf, PAGE_SIZE, "%d\n",
1271            vha->qla_stats.total_isp_aborts);
1272}
1273
1274static ssize_t
1275qla24xx_84xx_fw_version_show(struct device *dev,
1276        struct device_attribute *attr, char *buf)
1277{
1278        int rval = QLA_SUCCESS;
1279        uint16_t status[2] = {0, 0};
1280        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1281        struct qla_hw_data *ha = vha->hw;
1282
1283        if (!IS_QLA84XX(ha))
1284                return scnprintf(buf, PAGE_SIZE, "\n");
1285
1286        if (ha->cs84xx->op_fw_version == 0)
1287                rval = qla84xx_verify_chip(vha, status);
1288
1289        if ((rval == QLA_SUCCESS) && (status[0] == 0))
1290                return scnprintf(buf, PAGE_SIZE, "%u\n",
1291                        (uint32_t)ha->cs84xx->op_fw_version);
1292
1293        return scnprintf(buf, PAGE_SIZE, "\n");
1294}
1295
1296static ssize_t
1297qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1298    char *buf)
1299{
1300        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1301        struct qla_hw_data *ha = vha->hw;
1302
1303        if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha) &&
1304            !IS_QLA27XX(ha))
1305                return scnprintf(buf, PAGE_SIZE, "\n");
1306
1307        return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1308            ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1309            ha->mpi_capabilities);
1310}
1311
1312static ssize_t
1313qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1314    char *buf)
1315{
1316        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1317        struct qla_hw_data *ha = vha->hw;
1318
1319        if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1320                return scnprintf(buf, PAGE_SIZE, "\n");
1321
1322        return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1323            ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1324}
1325
1326static ssize_t
1327qla2x00_flash_block_size_show(struct device *dev,
1328                              struct device_attribute *attr, char *buf)
1329{
1330        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1331        struct qla_hw_data *ha = vha->hw;
1332
1333        return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1334}
1335
1336static ssize_t
1337qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1338    char *buf)
1339{
1340        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1341
1342        if (!IS_CNA_CAPABLE(vha->hw))
1343                return scnprintf(buf, PAGE_SIZE, "\n");
1344
1345        return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1346}
1347
1348static ssize_t
1349qla2x00_vn_port_mac_address_show(struct device *dev,
1350    struct device_attribute *attr, char *buf)
1351{
1352        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1353
1354        if (!IS_CNA_CAPABLE(vha->hw))
1355                return scnprintf(buf, PAGE_SIZE, "\n");
1356
1357        return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1358}
1359
1360static ssize_t
1361qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1362    char *buf)
1363{
1364        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1365
1366        return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1367}
1368
1369static ssize_t
1370qla2x00_thermal_temp_show(struct device *dev,
1371        struct device_attribute *attr, char *buf)
1372{
1373        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1374        uint16_t temp = 0;
1375
1376        if (qla2x00_reset_active(vha)) {
1377                ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1378                goto done;
1379        }
1380
1381        if (vha->hw->flags.eeh_busy) {
1382                ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1383                goto done;
1384        }
1385
1386        if (qla2x00_get_thermal_temp(vha, &temp) == QLA_SUCCESS)
1387                return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1388
1389done:
1390        return scnprintf(buf, PAGE_SIZE, "\n");
1391}
1392
1393static ssize_t
1394qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1395    char *buf)
1396{
1397        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1398        int rval = QLA_FUNCTION_FAILED;
1399        uint16_t state[6];
1400        uint32_t pstate;
1401
1402        if (IS_QLAFX00(vha->hw)) {
1403                pstate = qlafx00_fw_state_show(dev, attr, buf);
1404                return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1405        }
1406
1407        if (qla2x00_reset_active(vha))
1408                ql_log(ql_log_warn, vha, 0x707c,
1409                    "ISP reset active.\n");
1410        else if (!vha->hw->flags.eeh_busy)
1411                rval = qla2x00_get_firmware_state(vha, state);
1412        if (rval != QLA_SUCCESS)
1413                memset(state, -1, sizeof(state));
1414
1415        return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1416            state[0], state[1], state[2], state[3], state[4], state[5]);
1417}
1418
1419static ssize_t
1420qla2x00_diag_requests_show(struct device *dev,
1421        struct device_attribute *attr, char *buf)
1422{
1423        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1424
1425        if (!IS_BIDI_CAPABLE(vha->hw))
1426                return scnprintf(buf, PAGE_SIZE, "\n");
1427
1428        return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1429}
1430
1431static ssize_t
1432qla2x00_diag_megabytes_show(struct device *dev,
1433        struct device_attribute *attr, char *buf)
1434{
1435        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1436
1437        if (!IS_BIDI_CAPABLE(vha->hw))
1438                return scnprintf(buf, PAGE_SIZE, "\n");
1439
1440        return scnprintf(buf, PAGE_SIZE, "%llu\n",
1441            vha->bidi_stats.transfer_bytes >> 20);
1442}
1443
1444static ssize_t
1445qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1446        char *buf)
1447{
1448        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1449        struct qla_hw_data *ha = vha->hw;
1450        uint32_t size;
1451
1452        if (!ha->fw_dumped)
1453                size = 0;
1454        else if (IS_P3P_TYPE(ha))
1455                size = ha->md_template_size + ha->md_dump_size;
1456        else
1457                size = ha->fw_dump_len;
1458
1459        return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1460}
1461
1462static ssize_t
1463qla2x00_allow_cna_fw_dump_show(struct device *dev,
1464        struct device_attribute *attr, char *buf)
1465{
1466        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1467
1468        if (!IS_P3P_TYPE(vha->hw))
1469                return scnprintf(buf, PAGE_SIZE, "\n");
1470        else
1471                return scnprintf(buf, PAGE_SIZE, "%s\n",
1472                    vha->hw->allow_cna_fw_dump ? "true" : "false");
1473}
1474
1475static ssize_t
1476qla2x00_allow_cna_fw_dump_store(struct device *dev,
1477        struct device_attribute *attr, const char *buf, size_t count)
1478{
1479        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1480        int val = 0;
1481
1482        if (!IS_P3P_TYPE(vha->hw))
1483                return -EINVAL;
1484
1485        if (sscanf(buf, "%d", &val) != 1)
1486                return -EINVAL;
1487
1488        vha->hw->allow_cna_fw_dump = val != 0;
1489
1490        return strlen(buf);
1491}
1492
1493static ssize_t
1494qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr,
1495        char *buf)
1496{
1497        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1498        struct qla_hw_data *ha = vha->hw;
1499
1500        if (!IS_QLA27XX(ha))
1501                return scnprintf(buf, PAGE_SIZE, "\n");
1502
1503        return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1504            ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]);
1505}
1506
1507static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1508static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1509static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1510static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1511static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1512static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1513static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1514static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1515static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1516static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1517static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1518                   qla2x00_zio_timer_store);
1519static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1520                   qla2x00_beacon_store);
1521static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1522                   qla2x00_optrom_bios_version_show, NULL);
1523static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1524                   qla2x00_optrom_efi_version_show, NULL);
1525static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1526                   qla2x00_optrom_fcode_version_show, NULL);
1527static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1528                   NULL);
1529static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1530    qla2x00_optrom_gold_fw_version_show, NULL);
1531static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1532                   NULL);
1533static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1534                   NULL);
1535static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1536static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1537static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1538                   NULL);
1539static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1540static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1541                   qla2x00_vn_port_mac_address_show, NULL);
1542static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1543static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1544static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1545static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1546static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1547static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1548static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
1549                   qla2x00_allow_cna_fw_dump_show,
1550                   qla2x00_allow_cna_fw_dump_store);
1551static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL);
1552
1553struct device_attribute *qla2x00_host_attrs[] = {
1554        &dev_attr_driver_version,
1555        &dev_attr_fw_version,
1556        &dev_attr_serial_num,
1557        &dev_attr_isp_name,
1558        &dev_attr_isp_id,
1559        &dev_attr_model_name,
1560        &dev_attr_model_desc,
1561        &dev_attr_pci_info,
1562        &dev_attr_link_state,
1563        &dev_attr_zio,
1564        &dev_attr_zio_timer,
1565        &dev_attr_beacon,
1566        &dev_attr_optrom_bios_version,
1567        &dev_attr_optrom_efi_version,
1568        &dev_attr_optrom_fcode_version,
1569        &dev_attr_optrom_fw_version,
1570        &dev_attr_84xx_fw_version,
1571        &dev_attr_total_isp_aborts,
1572        &dev_attr_mpi_version,
1573        &dev_attr_phy_version,
1574        &dev_attr_flash_block_size,
1575        &dev_attr_vlan_id,
1576        &dev_attr_vn_port_mac_address,
1577        &dev_attr_fabric_param,
1578        &dev_attr_fw_state,
1579        &dev_attr_optrom_gold_fw_version,
1580        &dev_attr_thermal_temp,
1581        &dev_attr_diag_requests,
1582        &dev_attr_diag_megabytes,
1583        &dev_attr_fw_dump_size,
1584        &dev_attr_allow_cna_fw_dump,
1585        &dev_attr_pep_version,
1586        NULL,
1587};
1588
1589/* Host attributes. */
1590
1591static void
1592qla2x00_get_host_port_id(struct Scsi_Host *shost)
1593{
1594        scsi_qla_host_t *vha = shost_priv(shost);
1595
1596        fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1597            vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1598}
1599
1600static void
1601qla2x00_get_host_speed(struct Scsi_Host *shost)
1602{
1603        struct qla_hw_data *ha = ((struct scsi_qla_host *)
1604                                        (shost_priv(shost)))->hw;
1605        u32 speed = FC_PORTSPEED_UNKNOWN;
1606
1607        if (IS_QLAFX00(ha)) {
1608                qlafx00_get_host_speed(shost);
1609                return;
1610        }
1611
1612        switch (ha->link_data_rate) {
1613        case PORT_SPEED_1GB:
1614                speed = FC_PORTSPEED_1GBIT;
1615                break;
1616        case PORT_SPEED_2GB:
1617                speed = FC_PORTSPEED_2GBIT;
1618                break;
1619        case PORT_SPEED_4GB:
1620                speed = FC_PORTSPEED_4GBIT;
1621                break;
1622        case PORT_SPEED_8GB:
1623                speed = FC_PORTSPEED_8GBIT;
1624                break;
1625        case PORT_SPEED_10GB:
1626                speed = FC_PORTSPEED_10GBIT;
1627                break;
1628        case PORT_SPEED_16GB:
1629                speed = FC_PORTSPEED_16GBIT;
1630                break;
1631        case PORT_SPEED_32GB:
1632                speed = FC_PORTSPEED_32GBIT;
1633                break;
1634        }
1635        fc_host_speed(shost) = speed;
1636}
1637
1638static void
1639qla2x00_get_host_port_type(struct Scsi_Host *shost)
1640{
1641        scsi_qla_host_t *vha = shost_priv(shost);
1642        uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1643
1644        if (vha->vp_idx) {
1645                fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1646                return;
1647        }
1648        switch (vha->hw->current_topology) {
1649        case ISP_CFG_NL:
1650                port_type = FC_PORTTYPE_LPORT;
1651                break;
1652        case ISP_CFG_FL:
1653                port_type = FC_PORTTYPE_NLPORT;
1654                break;
1655        case ISP_CFG_N:
1656                port_type = FC_PORTTYPE_PTP;
1657                break;
1658        case ISP_CFG_F:
1659                port_type = FC_PORTTYPE_NPORT;
1660                break;
1661        }
1662        fc_host_port_type(shost) = port_type;
1663}
1664
1665static void
1666qla2x00_get_starget_node_name(struct scsi_target *starget)
1667{
1668        struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1669        scsi_qla_host_t *vha = shost_priv(host);
1670        fc_port_t *fcport;
1671        u64 node_name = 0;
1672
1673        list_for_each_entry(fcport, &vha->vp_fcports, list) {
1674                if (fcport->rport &&
1675                    starget->id == fcport->rport->scsi_target_id) {
1676                        node_name = wwn_to_u64(fcport->node_name);
1677                        break;
1678                }
1679        }
1680
1681        fc_starget_node_name(starget) = node_name;
1682}
1683
1684static void
1685qla2x00_get_starget_port_name(struct scsi_target *starget)
1686{
1687        struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1688        scsi_qla_host_t *vha = shost_priv(host);
1689        fc_port_t *fcport;
1690        u64 port_name = 0;
1691
1692        list_for_each_entry(fcport, &vha->vp_fcports, list) {
1693                if (fcport->rport &&
1694                    starget->id == fcport->rport->scsi_target_id) {
1695                        port_name = wwn_to_u64(fcport->port_name);
1696                        break;
1697                }
1698        }
1699
1700        fc_starget_port_name(starget) = port_name;
1701}
1702
1703static void
1704qla2x00_get_starget_port_id(struct scsi_target *starget)
1705{
1706        struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1707        scsi_qla_host_t *vha = shost_priv(host);
1708        fc_port_t *fcport;
1709        uint32_t port_id = ~0U;
1710
1711        list_for_each_entry(fcport, &vha->vp_fcports, list) {
1712                if (fcport->rport &&
1713                    starget->id == fcport->rport->scsi_target_id) {
1714                        port_id = fcport->d_id.b.domain << 16 |
1715                            fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1716                        break;
1717                }
1718        }
1719
1720        fc_starget_port_id(starget) = port_id;
1721}
1722
1723static void
1724qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1725{
1726        if (timeout)
1727                rport->dev_loss_tmo = timeout;
1728        else
1729                rport->dev_loss_tmo = 1;
1730}
1731
1732static void
1733qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1734{
1735        struct Scsi_Host *host = rport_to_shost(rport);
1736        fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1737        unsigned long flags;
1738
1739        if (!fcport)
1740                return;
1741
1742        /* Now that the rport has been deleted, set the fcport state to
1743           FCS_DEVICE_DEAD */
1744        qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1745
1746        /*
1747         * Transport has effectively 'deleted' the rport, clear
1748         * all local references.
1749         */
1750        spin_lock_irqsave(host->host_lock, flags);
1751        fcport->rport = fcport->drport = NULL;
1752        *((fc_port_t **)rport->dd_data) = NULL;
1753        spin_unlock_irqrestore(host->host_lock, flags);
1754
1755        if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1756                return;
1757
1758        if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1759                qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1760                return;
1761        }
1762}
1763
1764static void
1765qla2x00_terminate_rport_io(struct fc_rport *rport)
1766{
1767        fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1768
1769        if (!fcport)
1770                return;
1771
1772        if (test_bit(UNLOADING, &fcport->vha->dpc_flags))
1773                return;
1774
1775        if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1776                return;
1777
1778        if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1779                qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1780                return;
1781        }
1782        /*
1783         * At this point all fcport's software-states are cleared.  Perform any
1784         * final cleanup of firmware resources (PCBs and XCBs).
1785         */
1786        if (fcport->loop_id != FC_NO_LOOP_ID) {
1787                if (IS_FWI2_CAPABLE(fcport->vha->hw))
1788                        fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1789                            fcport->loop_id, fcport->d_id.b.domain,
1790                            fcport->d_id.b.area, fcport->d_id.b.al_pa);
1791                else
1792                        qla2x00_port_logout(fcport->vha, fcport);
1793        }
1794}
1795
1796static int
1797qla2x00_issue_lip(struct Scsi_Host *shost)
1798{
1799        scsi_qla_host_t *vha = shost_priv(shost);
1800
1801        if (IS_QLAFX00(vha->hw))
1802                return 0;
1803
1804        qla2x00_loop_reset(vha);
1805        return 0;
1806}
1807
1808static struct fc_host_statistics *
1809qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1810{
1811        scsi_qla_host_t *vha = shost_priv(shost);
1812        struct qla_hw_data *ha = vha->hw;
1813        struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1814        int rval;
1815        struct link_statistics *stats;
1816        dma_addr_t stats_dma;
1817        struct fc_host_statistics *p = &vha->fc_host_stat;
1818
1819        memset(p, -1, sizeof(*p));
1820
1821        if (IS_QLAFX00(vha->hw))
1822                goto done;
1823
1824        if (test_bit(UNLOADING, &vha->dpc_flags))
1825                goto done;
1826
1827        if (unlikely(pci_channel_offline(ha->pdev)))
1828                goto done;
1829
1830        if (qla2x00_reset_active(vha))
1831                goto done;
1832
1833        stats = dma_alloc_coherent(&ha->pdev->dev,
1834            sizeof(*stats), &stats_dma, GFP_KERNEL);
1835        if (!stats) {
1836                ql_log(ql_log_warn, vha, 0x707d,
1837                    "Failed to allocate memory for stats.\n");
1838                goto done;
1839        }
1840        memset(stats, 0, sizeof(*stats));
1841
1842        rval = QLA_FUNCTION_FAILED;
1843        if (IS_FWI2_CAPABLE(ha)) {
1844                rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0);
1845        } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1846            !ha->dpc_active) {
1847                /* Must be in a 'READY' state for statistics retrieval. */
1848                rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1849                                                stats, stats_dma);
1850        }
1851
1852        if (rval != QLA_SUCCESS)
1853                goto done_free;
1854
1855        p->link_failure_count = stats->link_fail_cnt;
1856        p->loss_of_sync_count = stats->loss_sync_cnt;
1857        p->loss_of_signal_count = stats->loss_sig_cnt;
1858        p->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1859        p->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1860        p->invalid_crc_count = stats->inval_crc_cnt;
1861        if (IS_FWI2_CAPABLE(ha)) {
1862                p->lip_count = stats->lip_cnt;
1863                p->tx_frames = stats->tx_frames;
1864                p->rx_frames = stats->rx_frames;
1865                p->dumped_frames = stats->discarded_frames;
1866                p->nos_count = stats->nos_rcvd;
1867                p->error_frames =
1868                        stats->dropped_frames + stats->discarded_frames;
1869                p->rx_words = vha->qla_stats.input_bytes;
1870                p->tx_words = vha->qla_stats.output_bytes;
1871        }
1872        p->fcp_control_requests = vha->qla_stats.control_requests;
1873        p->fcp_input_requests = vha->qla_stats.input_requests;
1874        p->fcp_output_requests = vha->qla_stats.output_requests;
1875        p->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1876        p->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1877        p->seconds_since_last_reset =
1878                get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
1879        do_div(p->seconds_since_last_reset, HZ);
1880
1881done_free:
1882        dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics),
1883            stats, stats_dma);
1884done:
1885        return p;
1886}
1887
1888static void
1889qla2x00_reset_host_stats(struct Scsi_Host *shost)
1890{
1891        scsi_qla_host_t *vha = shost_priv(shost);
1892        struct qla_hw_data *ha = vha->hw;
1893        struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1894        struct link_statistics *stats;
1895        dma_addr_t stats_dma;
1896
1897        memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
1898        memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1899
1900        vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1901
1902        if (IS_FWI2_CAPABLE(ha)) {
1903                stats = dma_alloc_coherent(&ha->pdev->dev,
1904                    sizeof(*stats), &stats_dma, GFP_KERNEL);
1905                if (!stats) {
1906                        ql_log(ql_log_warn, vha, 0x70d7,
1907                            "Failed to allocate memory for stats.\n");
1908                        return;
1909                }
1910
1911                /* reset firmware statistics */
1912                qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0);
1913
1914                dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
1915                    stats, stats_dma);
1916        }
1917}
1918
1919static void
1920qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1921{
1922        scsi_qla_host_t *vha = shost_priv(shost);
1923
1924        qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
1925            sizeof(fc_host_symbolic_name(shost)));
1926}
1927
1928static void
1929qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1930{
1931        scsi_qla_host_t *vha = shost_priv(shost);
1932
1933        set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1934}
1935
1936static void
1937qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1938{
1939        scsi_qla_host_t *vha = shost_priv(shost);
1940        uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1941                0xFF, 0xFF, 0xFF, 0xFF};
1942        u64 fabric_name = wwn_to_u64(node_name);
1943
1944        if (vha->device_flags & SWITCH_FOUND)
1945                fabric_name = wwn_to_u64(vha->fabric_node_name);
1946
1947        fc_host_fabric_name(shost) = fabric_name;
1948}
1949
1950static void
1951qla2x00_get_host_port_state(struct Scsi_Host *shost)
1952{
1953        scsi_qla_host_t *vha = shost_priv(shost);
1954        struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1955
1956        if (!base_vha->flags.online) {
1957                fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1958                return;
1959        }
1960
1961        switch (atomic_read(&base_vha->loop_state)) {
1962        case LOOP_UPDATE:
1963                fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1964                break;
1965        case LOOP_DOWN:
1966                if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1967                        fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1968                else
1969                        fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1970                break;
1971        case LOOP_DEAD:
1972                fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1973                break;
1974        case LOOP_READY:
1975                fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1976                break;
1977        default:
1978                fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1979                break;
1980        }
1981}
1982
1983static int
1984qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1985{
1986        int     ret = 0;
1987        uint8_t qos = 0;
1988        scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1989        scsi_qla_host_t *vha = NULL;
1990        struct qla_hw_data *ha = base_vha->hw;
1991        uint16_t options = 0;
1992        int     cnt;
1993        struct req_que *req = ha->req_q_map[0];
1994
1995        ret = qla24xx_vport_create_req_sanity_check(fc_vport);
1996        if (ret) {
1997                ql_log(ql_log_warn, vha, 0x707e,
1998                    "Vport sanity check failed, status %x\n", ret);
1999                return (ret);
2000        }
2001
2002        vha = qla24xx_create_vhost(fc_vport);
2003        if (vha == NULL) {
2004                ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
2005                return FC_VPORT_FAILED;
2006        }
2007        if (disable) {
2008                atomic_set(&vha->vp_state, VP_OFFLINE);
2009                fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
2010        } else
2011                atomic_set(&vha->vp_state, VP_FAILED);
2012
2013        /* ready to create vport */
2014        ql_log(ql_log_info, vha, 0x7080,
2015            "VP entry id %d assigned.\n", vha->vp_idx);
2016
2017        /* initialized vport states */
2018        atomic_set(&vha->loop_state, LOOP_DOWN);
2019        vha->vp_err_state=  VP_ERR_PORTDWN;
2020        vha->vp_prev_err_state=  VP_ERR_UNKWN;
2021        /* Check if physical ha port is Up */
2022        if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
2023            atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
2024                /* Don't retry or attempt login of this virtual port */
2025                ql_dbg(ql_dbg_user, vha, 0x7081,
2026                    "Vport loop state is not UP.\n");
2027                atomic_set(&vha->loop_state, LOOP_DEAD);
2028                if (!disable)
2029                        fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
2030        }
2031
2032        if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2033                if (ha->fw_attributes & BIT_4) {
2034                        int prot = 0, guard;
2035                        vha->flags.difdix_supported = 1;
2036                        ql_dbg(ql_dbg_user, vha, 0x7082,
2037                            "Registered for DIF/DIX type 1 and 3 protection.\n");
2038                        if (ql2xenabledif == 1)
2039                                prot = SHOST_DIX_TYPE0_PROTECTION;
2040                        scsi_host_set_prot(vha->host,
2041                            prot | SHOST_DIF_TYPE1_PROTECTION
2042                            | SHOST_DIF_TYPE2_PROTECTION
2043                            | SHOST_DIF_TYPE3_PROTECTION
2044                            | SHOST_DIX_TYPE1_PROTECTION
2045                            | SHOST_DIX_TYPE2_PROTECTION
2046                            | SHOST_DIX_TYPE3_PROTECTION);
2047
2048                        guard = SHOST_DIX_GUARD_CRC;
2049
2050                        if (IS_PI_IPGUARD_CAPABLE(ha) &&
2051                            (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2052                                guard |= SHOST_DIX_GUARD_IP;
2053
2054                        scsi_host_set_guard(vha->host, guard);
2055                } else
2056                        vha->flags.difdix_supported = 0;
2057        }
2058
2059        if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
2060                                   &ha->pdev->dev)) {
2061                ql_dbg(ql_dbg_user, vha, 0x7083,
2062                    "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
2063                goto vport_create_failed_2;
2064        }
2065
2066        /* initialize attributes */
2067        fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2068        fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2069        fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2070        fc_host_supported_classes(vha->host) =
2071                fc_host_supported_classes(base_vha->host);
2072        fc_host_supported_speeds(vha->host) =
2073                fc_host_supported_speeds(base_vha->host);
2074
2075        qlt_vport_create(vha, ha);
2076        qla24xx_vport_disable(fc_vport, disable);
2077
2078        if (ha->flags.cpu_affinity_enabled) {
2079                req = ha->req_q_map[1];
2080                ql_dbg(ql_dbg_multiq, vha, 0xc000,
2081                    "Request queue %p attached with "
2082                    "VP[%d], cpu affinity =%d\n",
2083                    req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
2084                goto vport_queue;
2085        } else if (ql2xmaxqueues == 1 || !ha->npiv_info)
2086                goto vport_queue;
2087        /* Create a request queue in QoS mode for the vport */
2088        for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
2089                if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
2090                        && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
2091                                        8) == 0) {
2092                        qos = ha->npiv_info[cnt].q_qos;
2093                        break;
2094                }
2095        }
2096
2097        if (qos) {
2098                ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
2099                        qos);
2100                if (!ret)
2101                        ql_log(ql_log_warn, vha, 0x7084,
2102                            "Can't create request queue for VP[%d]\n",
2103                            vha->vp_idx);
2104                else {
2105                        ql_dbg(ql_dbg_multiq, vha, 0xc001,
2106                            "Request Que:%d Q0s: %d) created for VP[%d]\n",
2107                            ret, qos, vha->vp_idx);
2108                        ql_dbg(ql_dbg_user, vha, 0x7085,
2109                            "Request Que:%d Q0s: %d) created for VP[%d]\n",
2110                            ret, qos, vha->vp_idx);
2111                        req = ha->req_q_map[ret];
2112                }
2113        }
2114
2115vport_queue:
2116        vha->req = req;
2117        return 0;
2118
2119vport_create_failed_2:
2120        qla24xx_disable_vp(vha);
2121        qla24xx_deallocate_vp_id(vha);
2122        scsi_host_put(vha->host);
2123        return FC_VPORT_FAILED;
2124}
2125
2126static int
2127qla24xx_vport_delete(struct fc_vport *fc_vport)
2128{
2129        scsi_qla_host_t *vha = fc_vport->dd_data;
2130        struct qla_hw_data *ha = vha->hw;
2131        uint16_t id = vha->vp_idx;
2132
2133        while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
2134            test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
2135                msleep(1000);
2136
2137        qla24xx_disable_vp(vha);
2138
2139        vha->flags.delete_progress = 1;
2140
2141        qlt_remove_target(ha, vha);
2142
2143        fc_remove_host(vha->host);
2144
2145        scsi_remove_host(vha->host);
2146
2147        /* Allow timer to run to drain queued items, when removing vp */
2148        qla24xx_deallocate_vp_id(vha);
2149
2150        if (vha->timer_active) {
2151                qla2x00_vp_stop_timer(vha);
2152                ql_dbg(ql_dbg_user, vha, 0x7086,
2153                    "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2154        }
2155
2156        BUG_ON(atomic_read(&vha->vref_count));
2157
2158        qla2x00_free_fcports(vha);
2159
2160        mutex_lock(&ha->vport_lock);
2161        ha->cur_vport_count--;
2162        clear_bit(vha->vp_idx, ha->vp_idx_map);
2163        mutex_unlock(&ha->vport_lock);
2164
2165        if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
2166                if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
2167                        ql_log(ql_log_warn, vha, 0x7087,
2168                            "Queue delete failed.\n");
2169        }
2170
2171        ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2172        scsi_host_put(vha->host);
2173        return 0;
2174}
2175
2176static int
2177qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2178{
2179        scsi_qla_host_t *vha = fc_vport->dd_data;
2180
2181        if (disable)
2182                qla24xx_disable_vp(vha);
2183        else
2184                qla24xx_enable_vp(vha);
2185
2186        return 0;
2187}
2188
2189struct fc_function_template qla2xxx_transport_functions = {
2190
2191        .show_host_node_name = 1,
2192        .show_host_port_name = 1,
2193        .show_host_supported_classes = 1,
2194        .show_host_supported_speeds = 1,
2195
2196        .get_host_port_id = qla2x00_get_host_port_id,
2197        .show_host_port_id = 1,
2198        .get_host_speed = qla2x00_get_host_speed,
2199        .show_host_speed = 1,
2200        .get_host_port_type = qla2x00_get_host_port_type,
2201        .show_host_port_type = 1,
2202        .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2203        .show_host_symbolic_name = 1,
2204        .set_host_system_hostname = qla2x00_set_host_system_hostname,
2205        .show_host_system_hostname = 1,
2206        .get_host_fabric_name = qla2x00_get_host_fabric_name,
2207        .show_host_fabric_name = 1,
2208        .get_host_port_state = qla2x00_get_host_port_state,
2209        .show_host_port_state = 1,
2210
2211        .dd_fcrport_size = sizeof(struct fc_port *),
2212        .show_rport_supported_classes = 1,
2213
2214        .get_starget_node_name = qla2x00_get_starget_node_name,
2215        .show_starget_node_name = 1,
2216        .get_starget_port_name = qla2x00_get_starget_port_name,
2217        .show_starget_port_name = 1,
2218        .get_starget_port_id  = qla2x00_get_starget_port_id,
2219        .show_starget_port_id = 1,
2220
2221        .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2222        .show_rport_dev_loss_tmo = 1,
2223
2224        .issue_fc_host_lip = qla2x00_issue_lip,
2225        .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2226        .terminate_rport_io = qla2x00_terminate_rport_io,
2227        .get_fc_host_stats = qla2x00_get_fc_host_stats,
2228        .reset_fc_host_stats = qla2x00_reset_host_stats,
2229
2230        .vport_create = qla24xx_vport_create,
2231        .vport_disable = qla24xx_vport_disable,
2232        .vport_delete = qla24xx_vport_delete,
2233        .bsg_request = qla24xx_bsg_request,
2234        .bsg_timeout = qla24xx_bsg_timeout,
2235};
2236
2237struct fc_function_template qla2xxx_transport_vport_functions = {
2238
2239        .show_host_node_name = 1,
2240        .show_host_port_name = 1,
2241        .show_host_supported_classes = 1,
2242
2243        .get_host_port_id = qla2x00_get_host_port_id,
2244        .show_host_port_id = 1,
2245        .get_host_speed = qla2x00_get_host_speed,
2246        .show_host_speed = 1,
2247        .get_host_port_type = qla2x00_get_host_port_type,
2248        .show_host_port_type = 1,
2249        .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2250        .show_host_symbolic_name = 1,
2251        .set_host_system_hostname = qla2x00_set_host_system_hostname,
2252        .show_host_system_hostname = 1,
2253        .get_host_fabric_name = qla2x00_get_host_fabric_name,
2254        .show_host_fabric_name = 1,
2255        .get_host_port_state = qla2x00_get_host_port_state,
2256        .show_host_port_state = 1,
2257
2258        .dd_fcrport_size = sizeof(struct fc_port *),
2259        .show_rport_supported_classes = 1,
2260
2261        .get_starget_node_name = qla2x00_get_starget_node_name,
2262        .show_starget_node_name = 1,
2263        .get_starget_port_name = qla2x00_get_starget_port_name,
2264        .show_starget_port_name = 1,
2265        .get_starget_port_id  = qla2x00_get_starget_port_id,
2266        .show_starget_port_id = 1,
2267
2268        .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2269        .show_rport_dev_loss_tmo = 1,
2270
2271        .issue_fc_host_lip = qla2x00_issue_lip,
2272        .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2273        .terminate_rport_io = qla2x00_terminate_rport_io,
2274        .get_fc_host_stats = qla2x00_get_fc_host_stats,
2275        .reset_fc_host_stats = qla2x00_reset_host_stats,
2276
2277        .bsg_request = qla24xx_bsg_request,
2278        .bsg_timeout = qla24xx_bsg_timeout,
2279};
2280
2281void
2282qla2x00_init_host_attr(scsi_qla_host_t *vha)
2283{
2284        struct qla_hw_data *ha = vha->hw;
2285        u32 speed = FC_PORTSPEED_UNKNOWN;
2286
2287        fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2288        fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2289        fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2290        fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
2291                        (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2292        fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2293        fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2294
2295        if (IS_CNA_CAPABLE(ha))
2296                speed = FC_PORTSPEED_10GBIT;
2297        else if (IS_QLA2031(ha))
2298                speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2299                    FC_PORTSPEED_4GBIT;
2300        else if (IS_QLA25XX(ha))
2301                speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2302                    FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2303        else if (IS_QLA24XX_TYPE(ha))
2304                speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2305                    FC_PORTSPEED_1GBIT;
2306        else if (IS_QLA23XX(ha))
2307                speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2308        else if (IS_QLAFX00(ha))
2309                speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2310                    FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2311        else if (IS_QLA27XX(ha))
2312                speed = FC_PORTSPEED_32GBIT | FC_PORTSPEED_16GBIT |
2313                    FC_PORTSPEED_8GBIT;
2314        else
2315                speed = FC_PORTSPEED_1GBIT;
2316        fc_host_supported_speeds(vha->host) = speed;
2317}
2318