qla_attr.c

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/*
 * QLogic Fibre Channel HBA Driver
 * Copyright (c)  2003-2012 QLogic Corporation
 *
 * See LICENSE.qla2xxx for copyright and licensing details.
 */
#include "qla_def.h"
#include "qla_target.h"

#include <linux/kthread.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
#include <linux/delay.h>

static int qla24xx_vport_disable(struct fc_vport *, bool);

/* SYSFS attributes --------------------------------------------------------- */

static ssize_t
qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj,
               struct bin_attribute *bin_attr,
               char *buf, loff_t off, size_t count)
{
    struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
        struct device, kobj)));
    struct qla_hw_data *ha = vha->hw;
    int rval = 0;

    if (!(ha->fw_dump_reading || ha->mctp_dump_reading))
        return 0;

    if (IS_QLA82XX(ha)) {
        if (off < ha->md_template_size) {
            rval = memory_read_from_buffer(buf, count,
                &off, ha->md_tmplt_hdr, ha->md_template_size);
            return rval;
        }
        off -= ha->md_template_size;
        rval = memory_read_from_buffer(buf, count,
            &off, ha->md_dump, ha->md_dump_size);
        return rval;
    } else if (ha->mctp_dumped && ha->mctp_dump_reading)
        return memory_read_from_buffer(buf, count, &off, ha->mctp_dump,
            MCTP_DUMP_SIZE);
    else if (ha->fw_dump_reading)
        return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
                    ha->fw_dump_len);
    else
        return 0;
}

static ssize_t
qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
                struct bin_attribute *bin_attr,
                char *buf, loff_t off, size_t count)
{
    struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
        struct device, kobj)));
    struct qla_hw_data *ha = vha->hw;
    int reading;

    if (off != 0)
        return (0);

    reading = simple_strtol(buf, NULL, 10);
    switch (reading) {
    case 0:
        if (!ha->fw_dump_reading)
            break;

        ql_log(ql_log_info, vha, 0x705d,
            "Firmware dump cleared on (%ld).\n", vha->host_no);

        if (IS_QLA82XX(vha->hw)) {
            qla82xx_md_free(vha);
            qla82xx_md_prep(vha);
        }
        ha->fw_dump_reading = 0;
        ha->fw_dumped = 0;
        break;
    case 1:
        if (ha->fw_dumped && !ha->fw_dump_reading) {
            ha->fw_dump_reading = 1;

            ql_log(ql_log_info, vha, 0x705e,
                "Raw firmware dump ready for read on (%ld).\n",
                vha->host_no);
        }
        break;
    case 2:
        qla2x00_alloc_fw_dump(vha);
        break;
    case 3:
        if (IS_QLA82XX(ha)) {
            qla82xx_idc_lock(ha);
            qla82xx_set_reset_owner(vha);
            qla82xx_idc_unlock(ha);
        } else
            qla2x00_system_error(vha);
        break;
    case 4:
        if (IS_QLA82XX(ha)) {
            if (ha->md_tmplt_hdr)
                ql_dbg(ql_dbg_user, vha, 0x705b,
                    "MiniDump supported with this firmware.\n");
            else
                ql_dbg(ql_dbg_user, vha, 0x709d,
                    "MiniDump not supported with this firmware.\n");
        }
        break;
    case 5:
        if (IS_QLA82XX(ha))
            set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
        break;
    case 6:
        if (!ha->mctp_dump_reading)
            break;
        ql_log(ql_log_info, vha, 0x70c1,
            "MCTP dump cleared on (%ld).\n", vha->host_no);
        ha->mctp_dump_reading = 0;
        ha->mctp_dumped = 0;
        break;
    case 7:
        if (ha->mctp_dumped && !ha->mctp_dump_reading) {
            ha->mctp_dump_reading = 1;
            ql_log(ql_log_info, vha, 0x70c2,
                "Raw mctp dump ready for read on (%ld).\n",
                vha->host_no);
        }
        break;
    }
    return count;
}

static struct bin_attribute sysfs_fw_dump_attr = {
    .attr = {
        .name = "fw_dump",
        .mode = S_IRUSR | S_IWUSR,
    },
    .size = 0,
    .read = qla2x00_sysfs_read_fw_dump,
    .write = qla2x00_sysfs_write_fw_dump,
};

static ssize_t
qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
             struct bin_attribute *bin_attr,
             char *buf, loff_t off, size_t count)
{
    struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
        struct device, kobj)));
    struct qla_hw_data *ha = vha->hw;

    if (!capable(CAP_SYS_ADMIN))
        return 0;

    if (IS_NOCACHE_VPD_TYPE(ha))
        ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
            ha->nvram_size);
    return memory_read_from_buffer(buf, count, &off, ha->nvram,
                    ha->nvram_size);
}

static ssize_t
qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
              struct bin_attribute *bin_attr,
              char *buf, loff_t off, size_t count)
{
    struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
        struct device, kobj)));
    struct qla_hw_data *ha = vha->hw;
    uint16_t    cnt;

    if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
        !ha->isp_ops->write_nvram)
        return -EINVAL;

    /* Checksum NVRAM. */
    if (IS_FWI2_CAPABLE(ha)) {
        uint32_t *iter;
        uint32_t chksum;

        iter = (uint32_t *)buf;
        chksum = 0;
        for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
            chksum += le32_to_cpu(*iter++);
        chksum = ~chksum + 1;
        *iter = cpu_to_le32(chksum);
    } else {
        uint8_t *iter;
        uint8_t chksum;

        iter = (uint8_t *)buf;
        chksum = 0;
        for (cnt = 0; cnt < count - 1; cnt++)
            chksum += *iter++;
        chksum = ~chksum + 1;
        *iter = chksum;
    }

    if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
        ql_log(ql_log_warn, vha, 0x705f,
            "HBA not online, failing NVRAM update.\n");
        return -EAGAIN;
    }

    /* Write NVRAM. */
    ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
    ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
        count);

    ql_dbg(ql_dbg_user, vha, 0x7060,
        "Setting ISP_ABORT_NEEDED\n");
    /* NVRAM settings take effect immediately. */
    set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
    qla2xxx_wake_dpc(vha);
    qla2x00_wait_for_chip_reset(vha);

    return count;
}

static struct bin_attribute sysfs_nvram_attr = {
    .attr = {
        .name = "nvram",
        .mode = S_IRUSR | S_IWUSR,
    },
    .size = 512,
    .read = qla2x00_sysfs_read_nvram,
    .write = qla2x00_sysfs_write_nvram,
};

static ssize_t
qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
              struct bin_attribute *bin_attr,
              char *buf, loff_t off, size_t count)
{
    struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
        struct device, kobj)));
    struct qla_hw_data *ha = vha->hw;

    if (ha->optrom_state != QLA_SREADING)
        return 0;

    return memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
                    ha->optrom_region_size);
}

static ssize_t
qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
               struct bin_attribute *bin_attr,
               char *buf, loff_t off, size_t count)
{
    struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
        struct device, kobj)));
    struct qla_hw_data *ha = vha->hw;

    if (ha->optrom_state != QLA_SWRITING)
        return -EINVAL;
    if (off > ha->optrom_region_size)
        return -ERANGE;
    if (off + count > ha->optrom_region_size)
        count = ha->optrom_region_size - off;

    memcpy(&ha->optrom_buffer[off], buf, count);

    return count;
}

static struct bin_attribute sysfs_optrom_attr = {
    .attr = {
        .name = "optrom",
        .mode = S_IRUSR | S_IWUSR,
    },
    .size = 0,
    .read = qla2x00_sysfs_read_optrom,
    .write = qla2x00_sysfs_write_optrom,
};

static ssize_t
qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
                   struct bin_attribute *bin_attr,
                   char *buf, loff_t off, size_t count)
{
    struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
        struct device, kobj)));
    struct qla_hw_data *ha = vha->hw;

    uint32_t start = 0;
    uint32_t size = ha->optrom_size;
    int val, valid;

    if (off)
        return -EINVAL;

    if (unlikely(pci_channel_offline(ha->pdev)))
        return -EAGAIN;

    if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
        return -EINVAL;
    if (start > ha->optrom_size)
        return -EINVAL;

    switch (val) {
    case 0:
        if (ha->optrom_state != QLA_SREADING &&
            ha->optrom_state != QLA_SWRITING)
            return -EINVAL;

        ha->optrom_state = QLA_SWAITING;

        ql_dbg(ql_dbg_user, vha, 0x7061,
            "Freeing flash region allocation -- 0x%x bytes.\n",
            ha->optrom_region_size);

        vfree(ha->optrom_buffer);
        ha->optrom_buffer = NULL;
        break;
    case 1:
        if (ha->optrom_state != QLA_SWAITING)
            return -EINVAL;

        ha->optrom_region_start = start;
        ha->optrom_region_size = start + size > ha->optrom_size ?
            ha->optrom_size - start : size;

        ha->optrom_state = QLA_SREADING;
        ha->optrom_buffer = vmalloc(ha->optrom_region_size);
        if (ha->optrom_buffer == NULL) {
            ql_log(ql_log_warn, vha, 0x7062,
                "Unable to allocate memory for optrom retrieval "
                "(%x).\n", ha->optrom_region_size);

            ha->optrom_state = QLA_SWAITING;
            return -ENOMEM;
        }

        if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
            ql_log(ql_log_warn, vha, 0x7063,
                "HBA not online, failing NVRAM update.\n");
            return -EAGAIN;
        }

        ql_dbg(ql_dbg_user, vha, 0x7064,
            "Reading flash region -- 0x%x/0x%x.\n",
            ha->optrom_region_start, ha->optrom_region_size);

        memset(ha->optrom_buffer, 0, ha->optrom_region_size);
        ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
            ha->optrom_region_start, ha->optrom_region_size);
        break;
    case 2:
        if (ha->optrom_state != QLA_SWAITING)
            return -EINVAL;

        /*
         * We need to be more restrictive on which FLASH regions are
         * allowed to be updated via user-space.  Regions accessible
         * via this method include:
         *
         * ISP21xx/ISP22xx/ISP23xx type boards:
         *
         *  0x000000 -> 0x020000 -- Boot code.
         *
         * ISP2322/ISP24xx type boards:
         *
         *  0x000000 -> 0x07ffff -- Boot code.
         *  0x080000 -> 0x0fffff -- Firmware.
         *
         * ISP25xx type boards:
         *
         *  0x000000 -> 0x07ffff -- Boot code.
         *  0x080000 -> 0x0fffff -- Firmware.
         *  0x120000 -> 0x12ffff -- VPD and HBA parameters.
         */
        valid = 0;
        if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
            valid = 1;
        else if (start == (ha->flt_region_boot * 4) ||
            start == (ha->flt_region_fw * 4))
            valid = 1;
        else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)
            || IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
            valid = 1;
        if (!valid) {
            ql_log(ql_log_warn, vha, 0x7065,
                "Invalid start region 0x%x/0x%x.\n", start, size);
            return -EINVAL;
        }

        ha->optrom_region_start = start;
        ha->optrom_region_size = start + size > ha->optrom_size ?
            ha->optrom_size - start : size;

        ha->optrom_state = QLA_SWRITING;
        ha->optrom_buffer = vmalloc(ha->optrom_region_size);
        if (ha->optrom_buffer == NULL) {
            ql_log(ql_log_warn, vha, 0x7066,
                "Unable to allocate memory for optrom update "
                "(%x)\n", ha->optrom_region_size);

            ha->optrom_state = QLA_SWAITING;
            return -ENOMEM;
        }

        ql_dbg(ql_dbg_user, vha, 0x7067,
            "Staging flash region write -- 0x%x/0x%x.\n",
            ha->optrom_region_start, ha->optrom_region_size);

        memset(ha->optrom_buffer, 0, ha->optrom_region_size);
        break;
    case 3:
        if (ha->optrom_state != QLA_SWRITING)
            return -EINVAL;

        if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
            ql_log(ql_log_warn, vha, 0x7068,
                "HBA not online, failing flash update.\n");
            return -EAGAIN;
        }

        ql_dbg(ql_dbg_user, vha, 0x7069,
            "Writing flash region -- 0x%x/0x%x.\n",
            ha->optrom_region_start, ha->optrom_region_size);

        ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
            ha->optrom_region_start, ha->optrom_region_size);
        break;
    default:
        return -EINVAL;
    }
    return count;
}

static struct bin_attribute sysfs_optrom_ctl_attr = {
    .attr = {
        .name = "optrom_ctl",
        .mode = S_IWUSR,
    },
    .size = 0,
    .write = qla2x00_sysfs_write_optrom_ctl,
};

static ssize_t
qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
               struct bin_attribute *bin_attr,
               char *buf, loff_t off, size_t count)
{
    struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
        struct device, kobj)));
    struct qla_hw_data *ha = vha->hw;

    if (unlikely(pci_channel_offline(ha->pdev)))
        return -EAGAIN;

    if (!capable(CAP_SYS_ADMIN))
        return -EINVAL;

    if (IS_NOCACHE_VPD_TYPE(ha))
        ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
            ha->vpd_size);
    return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
}

static ssize_t
qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
            struct bin_attribute *bin_attr,
            char *buf, loff_t off, size_t count)
{
    struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
        struct device, kobj)));
    struct qla_hw_data *ha = vha->hw;
    uint8_t *tmp_data;

    if (unlikely(pci_channel_offline(ha->pdev)))
        return 0;

    if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
        !ha->isp_ops->write_nvram)
        return 0;

    if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
        ql_log(ql_log_warn, vha, 0x706a,
            "HBA not online, failing VPD update.\n");
        return -EAGAIN;
    }

    /* Write NVRAM. */
    ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
    ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);

    /* Update flash version information for 4Gb & above. */
    if (!IS_FWI2_CAPABLE(ha))
        return -EINVAL;

    tmp_data = vmalloc(256);
    if (!tmp_data) {
        ql_log(ql_log_warn, vha, 0x706b,
            "Unable to allocate memory for VPD information update.\n");
        return -ENOMEM;
    }
    ha->isp_ops->get_flash_version(vha, tmp_data);
    vfree(tmp_data);

    return count;
}

static struct bin_attribute sysfs_vpd_attr = {
    .attr = {
        .name = "vpd",
        .mode = S_IRUSR | S_IWUSR,
    },
    .size = 0,
    .read = qla2x00_sysfs_read_vpd,
    .write = qla2x00_sysfs_write_vpd,
};

static ssize_t
qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
               struct bin_attribute *bin_attr,
               char *buf, loff_t off, size_t count)
{
    struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
        struct device, kobj)));
    struct qla_hw_data *ha = vha->hw;
    uint16_t iter, addr, offset;
    int rval;

    if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
        return 0;

    if (ha->sfp_data)
        goto do_read;

    ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
        &ha->sfp_data_dma);
    if (!ha->sfp_data) {
        ql_log(ql_log_warn, vha, 0x706c,
            "Unable to allocate memory for SFP read-data.\n");
        return 0;
    }

do_read:
    memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
    addr = 0xa0;
    for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
        iter++, offset += SFP_BLOCK_SIZE) {
        if (iter == 4) {
            /* Skip to next device address. */
            addr = 0xa2;
            offset = 0;
        }

        rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
            addr, offset, SFP_BLOCK_SIZE, 0);
        if (rval != QLA_SUCCESS) {
            ql_log(ql_log_warn, vha, 0x706d,
                "Unable to read SFP data (%x/%x/%x).\n", rval,
                addr, offset);

            return -EIO;
        }
        memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
        buf += SFP_BLOCK_SIZE;
    }

    return count;
}

static struct bin_attribute sysfs_sfp_attr = {
    .attr = {
        .name = "sfp",
        .mode = S_IRUSR | S_IWUSR,
    },
    .size = SFP_DEV_SIZE * 2,
    .read = qla2x00_sysfs_read_sfp,
};

static ssize_t
qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
            struct bin_attribute *bin_attr,
            char *buf, loff_t off, size_t count)
{
    struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
        struct device, kobj)));
    struct qla_hw_data *ha = vha->hw;
    struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
    int type;
    uint32_t idc_control;

    if (off != 0)
        return -EINVAL;

    type = simple_strtol(buf, NULL, 10);
    switch (type) {
    case 0x2025c:
        ql_log(ql_log_info, vha, 0x706e,
            "Issuing ISP reset.\n");

        scsi_block_requests(vha->host);
        set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
        if (IS_QLA82XX(ha)) {
            ha->flags.isp82xx_no_md_cap = 1;
            qla82xx_idc_lock(ha);
            qla82xx_set_reset_owner(vha);
            qla82xx_idc_unlock(ha);
        }
        qla2xxx_wake_dpc(vha);
        qla2x00_wait_for_chip_reset(vha);
        scsi_unblock_requests(vha->host);
        break;
    case 0x2025d:
        if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
            return -EPERM;

        ql_log(ql_log_info, vha, 0x706f,
            "Issuing MPI reset.\n");

        if (IS_QLA83XX(ha)) {
            uint32_t idc_control;

            qla83xx_idc_lock(vha, 0);
            __qla83xx_get_idc_control(vha, &idc_control);
            idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
            __qla83xx_set_idc_control(vha, idc_control);
            qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
                QLA8XXX_DEV_NEED_RESET);
            qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
            qla83xx_idc_unlock(vha, 0);
            break;
        } else {
            /* Make sure FC side is not in reset */
            qla2x00_wait_for_hba_online(vha);

            /* Issue MPI reset */
            scsi_block_requests(vha->host);
            if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
                ql_log(ql_log_warn, vha, 0x7070,
                    "MPI reset failed.\n");
            scsi_unblock_requests(vha->host);
            break;
        }
    case 0x2025e:
        if (!IS_QLA82XX(ha) || vha != base_vha) {
            ql_log(ql_log_info, vha, 0x7071,
                "FCoE ctx reset no supported.\n");
            return -EPERM;
        }

        ql_log(ql_log_info, vha, 0x7072,
            "Issuing FCoE ctx reset.\n");
        set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
        qla2xxx_wake_dpc(vha);
        qla2x00_wait_for_fcoe_ctx_reset(vha);
        break;
    case 0x2025f:
        if (!IS_QLA8031(ha))
            return -EPERM;
        ql_log(ql_log_info, vha, 0x70bc,
            "Disabling Reset by IDC control\n");
        qla83xx_idc_lock(vha, 0);
        __qla83xx_get_idc_control(vha, &idc_control);
        idc_control |= QLA83XX_IDC_RESET_DISABLED;
        __qla83xx_set_idc_control(vha, idc_control);
        qla83xx_idc_unlock(vha, 0);
        break;
    case 0x20260:
        if (!IS_QLA8031(ha))
            return -EPERM;
        ql_log(ql_log_info, vha, 0x70bd,
            "Enabling Reset by IDC control\n");
        qla83xx_idc_lock(vha, 0);
        __qla83xx_get_idc_control(vha, &idc_control);
        idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
        __qla83xx_set_idc_control(vha, idc_control);
        qla83xx_idc_unlock(vha, 0);
        break;

    }
    return count;
}

static struct bin_attribute sysfs_reset_attr = {
    .attr = {
        .name = "reset",
        .mode = S_IWUSR,
    },
    .size = 0,
    .write = qla2x00_sysfs_write_reset,
};

static ssize_t
qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
               struct bin_attribute *bin_attr,
               char *buf, loff_t off, size_t count)
{
    struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
        struct device, kobj)));
    struct qla_hw_data *ha = vha->hw;
    int rval;
    uint16_t actual_size;

    if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
        return 0;

    if (ha->xgmac_data)
        goto do_read;

    ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
        &ha->xgmac_data_dma, GFP_KERNEL);
    if (!ha->xgmac_data) {
        ql_log(ql_log_warn, vha, 0x7076,
            "Unable to allocate memory for XGMAC read-data.\n");
        return 0;
    }

do_read:
    actual_size = 0;
    memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);

    rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
        XGMAC_DATA_SIZE, &actual_size);
    if (rval != QLA_SUCCESS) {
        ql_log(ql_log_warn, vha, 0x7077,
            "Unable to read XGMAC data (%x).\n", rval);
        count = 0;
    }

    count = actual_size > count ? count: actual_size;
    memcpy(buf, ha->xgmac_data, count);

    return count;
}

static struct bin_attribute sysfs_xgmac_stats_attr = {
    .attr = {
        .name = "xgmac_stats",
        .mode = S_IRUSR,
    },
    .size = 0,
    .read = qla2x00_sysfs_read_xgmac_stats,
};

static ssize_t
qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
               struct bin_attribute *bin_attr,
               char *buf, loff_t off, size_t count)
{
    struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
        struct device, kobj)));
    struct qla_hw_data *ha = vha->hw;
    int rval;
    uint16_t actual_size;

    if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
        return 0;

    if (ha->dcbx_tlv)
        goto do_read;

    ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
        &ha->dcbx_tlv_dma, GFP_KERNEL);
    if (!ha->dcbx_tlv) {
        ql_log(ql_log_warn, vha, 0x7078,
            "Unable to allocate memory for DCBX TLV read-data.\n");
        return -ENOMEM;
    }

do_read:
    actual_size = 0;
    memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);

    rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
        DCBX_TLV_DATA_SIZE);
    if (rval != QLA_SUCCESS) {
        ql_log(ql_log_warn, vha, 0x7079,
            "Unable to read DCBX TLV (%x).\n", rval);
        return -EIO;
    }

    memcpy(buf, ha->dcbx_tlv, count);

    return count;
}

static struct bin_attribute sysfs_dcbx_tlv_attr = {
    .attr = {
        .name = "dcbx_tlv",
        .mode = S_IRUSR,
    },
    .size = 0,
    .read = qla2x00_sysfs_read_dcbx_tlv,
};

static struct sysfs_entry {
    char *name;
    struct bin_attribute *attr;
    int is4GBp_only;
} bin_file_entries[] = {
    { "fw_dump", &sysfs_fw_dump_attr, },
    { "nvram", &sysfs_nvram_attr, },
    { "optrom", &sysfs_optrom_attr, },
    { "optrom_ctl", &sysfs_optrom_ctl_attr, },
    { "vpd", &sysfs_vpd_attr, 1 },
    { "sfp", &sysfs_sfp_attr, 1 },
    { "reset", &sysfs_reset_attr, },
    { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
    { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
    { NULL },
};

void
qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
{
    struct Scsi_Host *host = vha->host;
    struct sysfs_entry *iter;
    int ret;

    for (iter = bin_file_entries; iter->name; iter++) {
        if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
            continue;
        if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
            continue;
        if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
            continue;

        ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
            iter->attr);
        if (ret)
            ql_log(ql_log_warn, vha, 0x00f3,
                "Unable to create sysfs %s binary attribute (%d).\n",
                iter->name, ret);
        else
            ql_dbg(ql_dbg_init, vha, 0x00f4,
                "Successfully created sysfs %s binary attribure.\n",
                iter->name);
    }
}

void
qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
{
    struct Scsi_Host *host = vha->host;
    struct sysfs_entry *iter;
    struct qla_hw_data *ha = vha->hw;

    for (iter = bin_file_entries; iter->name; iter++) {
        if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
            continue;
        if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
            continue;
        if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
            continue;

        sysfs_remove_bin_file(&host->shost_gendev.kobj,
            iter->attr);
    }

    if (ha->beacon_blink_led == 1)
        ha->isp_ops->beacon_off(vha);
}

/* Scsi_Host attributes. */

static ssize_t
qla2x00_drvr_version_show(struct device *dev,
              struct device_attribute *attr, char *buf)
{
    return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
}

static ssize_t
qla2x00_fw_version_show(struct device *dev,
            struct device_attribute *attr, char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;
    char fw_str[128];

    return snprintf(buf, PAGE_SIZE, "%s\n",
        ha->isp_ops->fw_version_str(vha, fw_str));
}

static ssize_t
qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
            char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;
    uint32_t sn;

    if (IS_FWI2_CAPABLE(ha)) {
        qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE);
        return snprintf(buf, PAGE_SIZE, "%s\n", buf);
    }

    sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
    return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
        sn % 100000);
}

static ssize_t
qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
              char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    return snprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
}

static ssize_t
qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
            char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;
    return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
        ha->product_id[0], ha->product_id[1], ha->product_id[2],
        ha->product_id[3]);
}

static ssize_t
qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
            char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    return snprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
}

static ssize_t
qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
            char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    return snprintf(buf, PAGE_SIZE, "%s\n",
        vha->hw->model_desc ? vha->hw->model_desc : "");
}

static ssize_t
qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
              char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    char pci_info[30];

    return snprintf(buf, PAGE_SIZE, "%s\n",
        vha->hw->isp_ops->pci_info_str(vha, pci_info));
}

static ssize_t
qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
            char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;
    int len = 0;

    if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
        atomic_read(&vha->loop_state) == LOOP_DEAD ||
        vha->device_flags & DFLG_NO_CABLE)
        len = snprintf(buf, PAGE_SIZE, "Link Down\n");
    else if (atomic_read(&vha->loop_state) != LOOP_READY ||
        qla2x00_reset_active(vha))
        len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
    else {
        len = snprintf(buf, PAGE_SIZE, "Link Up - ");

        switch (ha->current_topology) {
        case ISP_CFG_NL:
            len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
            break;
        case ISP_CFG_FL:
            len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
            break;
        case ISP_CFG_N:
            len += snprintf(buf + len, PAGE_SIZE-len,
                "N_Port to N_Port\n");
            break;
        case ISP_CFG_F:
            len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
            break;
        default:
            len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
            break;
        }
    }
    return len;
}

static ssize_t
qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
         char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    int len = 0;

    switch (vha->hw->zio_mode) {
    case QLA_ZIO_MODE_6:
        len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
        break;
    case QLA_ZIO_DISABLED:
        len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
        break;
    }
    return len;
}

static ssize_t
qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
          const char *buf, size_t count)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;
    int val = 0;
    uint16_t zio_mode;

    if (!IS_ZIO_SUPPORTED(ha))
        return -ENOTSUPP;

    if (sscanf(buf, "%d", &val) != 1)
        return -EINVAL;

    if (val)
        zio_mode = QLA_ZIO_MODE_6;
    else
        zio_mode = QLA_ZIO_DISABLED;

    /* Update per-hba values and queue a reset. */
    if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
        ha->zio_mode = zio_mode;
        set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
    }
    return strlen(buf);
}

static ssize_t
qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
               char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));

    return snprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
}

static ssize_t
qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
            const char *buf, size_t count)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    int val = 0;
    uint16_t zio_timer;

    if (sscanf(buf, "%d", &val) != 1)
        return -EINVAL;
    if (val > 25500 || val < 100)
        return -ERANGE;

    zio_timer = (uint16_t)(val / 100);
    vha->hw->zio_timer = zio_timer;

    return strlen(buf);
}

static ssize_t
qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
            char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    int len = 0;

    if (vha->hw->beacon_blink_led)
        len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
    else
        len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
    return len;
}

static ssize_t
qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
             const char *buf, size_t count)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;
    int val = 0;
    int rval;

    if (IS_QLA2100(ha) || IS_QLA2200(ha))
        return -EPERM;

    if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
        ql_log(ql_log_warn, vha, 0x707a,
            "Abort ISP active -- ignoring beacon request.\n");
        return -EBUSY;
    }

    if (sscanf(buf, "%d", &val) != 1)
        return -EINVAL;

    if (val)
        rval = ha->isp_ops->beacon_on(vha);
    else
        rval = ha->isp_ops->beacon_off(vha);

    if (rval != QLA_SUCCESS)
        count = 0;

    return count;
}

static ssize_t
qla2x00_optrom_bios_version_show(struct device *dev,
                 struct device_attribute *attr, char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;
    return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
        ha->bios_revision[0]);
}

static ssize_t
qla2x00_optrom_efi_version_show(struct device *dev,
                struct device_attribute *attr, char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;
    return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
        ha->efi_revision[0]);
}

static ssize_t
qla2x00_optrom_fcode_version_show(struct device *dev,
                  struct device_attribute *attr, char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;
    return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
        ha->fcode_revision[0]);
}

static ssize_t
qla2x00_optrom_fw_version_show(struct device *dev,
                   struct device_attribute *attr, char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;
    return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
        ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
        ha->fw_revision[3]);
}

static ssize_t
qla2x00_optrom_gold_fw_version_show(struct device *dev,
    struct device_attribute *attr, char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;

    if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
        return snprintf(buf, PAGE_SIZE, "\n");

    return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
        ha->gold_fw_version[0], ha->gold_fw_version[1],
        ha->gold_fw_version[2], ha->gold_fw_version[3]);
}

static ssize_t
qla2x00_total_isp_aborts_show(struct device *dev,
                  struct device_attribute *attr, char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    return snprintf(buf, PAGE_SIZE, "%d\n",
        vha->qla_stats.total_isp_aborts);
}

static ssize_t
qla24xx_84xx_fw_version_show(struct device *dev,
    struct device_attribute *attr, char *buf)
{
    int rval = QLA_SUCCESS;
    uint16_t status[2] = {0, 0};
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;

    if (!IS_QLA84XX(ha))
        return snprintf(buf, PAGE_SIZE, "\n");

    if (ha->cs84xx->op_fw_version == 0)
        rval = qla84xx_verify_chip(vha, status);

    if ((rval == QLA_SUCCESS) && (status[0] == 0))
        return snprintf(buf, PAGE_SIZE, "%u\n",
            (uint32_t)ha->cs84xx->op_fw_version);

    return snprintf(buf, PAGE_SIZE, "\n");
}

static ssize_t
qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
    char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;

    if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
        return snprintf(buf, PAGE_SIZE, "\n");

    return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
        ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
        ha->mpi_capabilities);
}

static ssize_t
qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
    char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;

    if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
        return snprintf(buf, PAGE_SIZE, "\n");

    return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
        ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
}

static ssize_t
qla2x00_flash_block_size_show(struct device *dev,
                  struct device_attribute *attr, char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;

    return snprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
}

static ssize_t
qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
    char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));

    if (!IS_CNA_CAPABLE(vha->hw))
        return snprintf(buf, PAGE_SIZE, "\n");

    return snprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
}

static ssize_t
qla2x00_vn_port_mac_address_show(struct device *dev,
    struct device_attribute *attr, char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));

    if (!IS_CNA_CAPABLE(vha->hw))
        return snprintf(buf, PAGE_SIZE, "\n");

    return snprintf(buf, PAGE_SIZE, "%02x:%02x:%02x:%02x:%02x:%02x\n",
        vha->fcoe_vn_port_mac[5], vha->fcoe_vn_port_mac[4],
        vha->fcoe_vn_port_mac[3], vha->fcoe_vn_port_mac[2],
        vha->fcoe_vn_port_mac[1], vha->fcoe_vn_port_mac[0]);
}

static ssize_t
qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
    char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));

    return snprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
}

static ssize_t
qla2x00_thermal_temp_show(struct device *dev,
    struct device_attribute *attr, char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    int rval = QLA_FUNCTION_FAILED;
    uint16_t temp, frac;

    if (!vha->hw->flags.thermal_supported)
        return snprintf(buf, PAGE_SIZE, "\n");

    temp = frac = 0;
    if (qla2x00_reset_active(vha))
        ql_log(ql_log_warn, vha, 0x707b,
            "ISP reset active.\n");
    else if (!vha->hw->flags.eeh_busy)
        rval = qla2x00_get_thermal_temp(vha, &temp, &frac);
    if (rval != QLA_SUCCESS)
        return snprintf(buf, PAGE_SIZE, "\n");

    return snprintf(buf, PAGE_SIZE, "%d.%02d\n", temp, frac);
}

static ssize_t
qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
    char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    int rval = QLA_FUNCTION_FAILED;
    uint16_t state[5];

    if (qla2x00_reset_active(vha))
        ql_log(ql_log_warn, vha, 0x707c,
            "ISP reset active.\n");
    else if (!vha->hw->flags.eeh_busy)
        rval = qla2x00_get_firmware_state(vha, state);
    if (rval != QLA_SUCCESS)
        memset(state, -1, sizeof(state));

    return snprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x\n", state[0],
        state[1], state[2], state[3], state[4]);
}

static ssize_t
qla2x00_diag_requests_show(struct device *dev,
    struct device_attribute *attr, char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));

    if (!IS_BIDI_CAPABLE(vha->hw))
        return snprintf(buf, PAGE_SIZE, "\n");

    return snprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
}

static ssize_t
qla2x00_diag_megabytes_show(struct device *dev,
    struct device_attribute *attr, char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));

    if (!IS_BIDI_CAPABLE(vha->hw))
        return snprintf(buf, PAGE_SIZE, "\n");

    return snprintf(buf, PAGE_SIZE, "%llu\n",
        vha->bidi_stats.transfer_bytes >> 20);
}

static ssize_t
qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
    char *buf)
{
    scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
    struct qla_hw_data *ha = vha->hw;
    uint32_t size;

    if (!ha->fw_dumped)
        size = 0;
    else if (IS_QLA82XX(ha))
        size = ha->md_template_size + ha->md_dump_size;
    else
        size = ha->fw_dump_len;

    return snprintf(buf, PAGE_SIZE, "%d\n", size);
}

static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
           qla2x00_zio_timer_store);
static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
           qla2x00_beacon_store);
static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
           qla2x00_optrom_bios_version_show, NULL);
static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
           qla2x00_optrom_efi_version_show, NULL);
static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
           qla2x00_optrom_fcode_version_show, NULL);
static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
           NULL);
static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
    qla2x00_optrom_gold_fw_version_show, NULL);
static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
           NULL);
static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
           NULL);
static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
           NULL);
static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
           qla2x00_vn_port_mac_address_show, NULL);
static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);

struct device_attribute *qla2x00_host_attrs[] = {
    &dev_attr_driver_version,
    &dev_attr_fw_version,
    &dev_attr_serial_num,
    &dev_attr_isp_name,
    &dev_attr_isp_id,
    &dev_attr_model_name,
    &dev_attr_model_desc,
    &dev_attr_pci_info,
    &dev_attr_link_state,
    &dev_attr_zio,
    &dev_attr_zio_timer,
    &dev_attr_beacon,
    &dev_attr_optrom_bios_version,
    &dev_attr_optrom_efi_version,
    &dev_attr_optrom_fcode_version,
    &dev_attr_optrom_fw_version,
    &dev_attr_84xx_fw_version,
    &dev_attr_total_isp_aborts,
    &dev_attr_mpi_version,
    &dev_attr_phy_version,
    &dev_attr_flash_block_size,
    &dev_attr_vlan_id,
    &dev_attr_vn_port_mac_address,
    &dev_attr_fabric_param,
    &dev_attr_fw_state,
    &dev_attr_optrom_gold_fw_version,
    &dev_attr_thermal_temp,
    &dev_attr_diag_requests,
    &dev_attr_diag_megabytes,
    &dev_attr_fw_dump_size,
    NULL,
};

/* Host attributes. */

static void
qla2x00_get_host_port_id(struct Scsi_Host *shost)
{
    scsi_qla_host_t *vha = shost_priv(shost);

    fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
        vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
}

static void
qla2x00_get_host_speed(struct Scsi_Host *shost)
{
    struct qla_hw_data *ha = ((struct scsi_qla_host *)
                    (shost_priv(shost)))->hw;
    u32 speed = FC_PORTSPEED_UNKNOWN;

    switch (ha->link_data_rate) {
    case PORT_SPEED_1GB:
        speed = FC_PORTSPEED_1GBIT;
        break;
    case PORT_SPEED_2GB:
        speed = FC_PORTSPEED_2GBIT;
        break;
    case PORT_SPEED_4GB:
        speed = FC_PORTSPEED_4GBIT;
        break;
    case PORT_SPEED_8GB:
        speed = FC_PORTSPEED_8GBIT;
        break;
    case PORT_SPEED_10GB:
        speed = FC_PORTSPEED_10GBIT;
        break;
    case PORT_SPEED_16GB:
        speed = FC_PORTSPEED_16GBIT;
        break;
    }
    fc_host_speed(shost) = speed;
}

static void
qla2x00_get_host_port_type(struct Scsi_Host *shost)
{
    scsi_qla_host_t *vha = shost_priv(shost);
    uint32_t port_type = FC_PORTTYPE_UNKNOWN;

    if (vha->vp_idx) {
        fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
        return;
    }
    switch (vha->hw->current_topology) {
    case ISP_CFG_NL:
        port_type = FC_PORTTYPE_LPORT;
        break;
    case ISP_CFG_FL:
        port_type = FC_PORTTYPE_NLPORT;
        break;
    case ISP_CFG_N:
        port_type = FC_PORTTYPE_PTP;
        break;
    case ISP_CFG_F:
        port_type = FC_PORTTYPE_NPORT;
        break;
    }
    fc_host_port_type(shost) = port_type;
}

static void
qla2x00_get_starget_node_name(struct scsi_target *starget)
{
    struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
    scsi_qla_host_t *vha = shost_priv(host);
    fc_port_t *fcport;
    u64 node_name = 0;

    list_for_each_entry(fcport, &vha->vp_fcports, list) {
        if (fcport->rport &&
            starget->id == fcport->rport->scsi_target_id) {
            node_name = wwn_to_u64(fcport->node_name);
            break;
        }
    }

    fc_starget_node_name(starget) = node_name;
}

static void
qla2x00_get_starget_port_name(struct scsi_target *starget)
{
    struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
    scsi_qla_host_t *vha = shost_priv(host);
    fc_port_t *fcport;
    u64 port_name = 0;

    list_for_each_entry(fcport, &vha->vp_fcports, list) {
        if (fcport->rport &&
            starget->id == fcport->rport->scsi_target_id) {
            port_name = wwn_to_u64(fcport->port_name);
            break;
        }
    }

    fc_starget_port_name(starget) = port_name;
}

static void
qla2x00_get_starget_port_id(struct scsi_target *starget)
{
    struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
    scsi_qla_host_t *vha = shost_priv(host);
    fc_port_t *fcport;
    uint32_t port_id = ~0U;

    list_for_each_entry(fcport, &vha->vp_fcports, list) {
        if (fcport->rport &&
            starget->id == fcport->rport->scsi_target_id) {
            port_id = fcport->d_id.b.domain << 16 |
                fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
            break;
        }
    }

    fc_starget_port_id(starget) = port_id;
}

static void
qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
{
    if (timeout)
        rport->dev_loss_tmo = timeout;
    else
        rport->dev_loss_tmo = 1;
}

static void
qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
{
    struct Scsi_Host *host = rport_to_shost(rport);
    fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
    unsigned long flags;

    if (!fcport)
        return;

    /* Now that the rport has been deleted, set the fcport state to
       FCS_DEVICE_DEAD */
    qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);

    /*
     * Transport has effectively 'deleted' the rport, clear
     * all local references.
     */
    spin_lock_irqsave(host->host_lock, flags);
    fcport->rport = fcport->drport = NULL;
    *((fc_port_t **)rport->dd_data) = NULL;
    spin_unlock_irqrestore(host->host_lock, flags);

    if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
        return;

    if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
        qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
        return;
    }
}

static void
qla2x00_terminate_rport_io(struct fc_rport *rport)
{
    fc_port_t *fcport = *(fc_port_t **)rport->dd_data;

    if (!fcport)
        return;

    if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
        return;

    if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
        qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
        return;
    }
    /*
     * At this point all fcport's software-states are cleared.  Perform any
     * final cleanup of firmware resources (PCBs and XCBs).
     */
    if (fcport->loop_id != FC_NO_LOOP_ID &&
        !test_bit(UNLOADING, &fcport->vha->dpc_flags)) {
        if (IS_FWI2_CAPABLE(fcport->vha->hw))
            fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
                fcport->loop_id, fcport->d_id.b.domain,
                fcport->d_id.b.area, fcport->d_id.b.al_pa);
        else
            qla2x00_port_logout(fcport->vha, fcport);
    }
}

static int
qla2x00_issue_lip(struct Scsi_Host *shost)
{
    scsi_qla_host_t *vha = shost_priv(shost);

    qla2x00_loop_reset(vha);
    return 0;
}

static struct fc_host_statistics *
qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
{
    scsi_qla_host_t *vha = shost_priv(shost);
    struct qla_hw_data *ha = vha->hw;
    struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
    int rval;
    struct link_statistics *stats;
    dma_addr_t stats_dma;
    struct fc_host_statistics *pfc_host_stat;

    pfc_host_stat = &vha->fc_host_stat;
    memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));

    if (test_bit(UNLOADING, &vha->dpc_flags))
        goto done;

    if (unlikely(pci_channel_offline(ha->pdev)))
        goto done;

    stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
    if (stats == NULL) {
        ql_log(ql_log_warn, vha, 0x707d,
            "Failed to allocate memory for stats.\n");
        goto done;
    }
    memset(stats, 0, DMA_POOL_SIZE);

    rval = QLA_FUNCTION_FAILED;
    if (IS_FWI2_CAPABLE(ha)) {
        rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
    } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
        !qla2x00_reset_active(vha) && !ha->dpc_active) {
        /* Must be in a 'READY' state for statistics retrieval. */
        rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
                        stats, stats_dma);
    }

    if (rval != QLA_SUCCESS)
        goto done_free;

    pfc_host_stat->link_failure_count = stats->link_fail_cnt;
    pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
    pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
    pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
    pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
    pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
    if (IS_FWI2_CAPABLE(ha)) {
        pfc_host_stat->lip_count = stats->lip_cnt;
        pfc_host_stat->tx_frames = stats->tx_frames;
        pfc_host_stat->rx_frames = stats->rx_frames;
        pfc_host_stat->dumped_frames = stats->dumped_frames;
        pfc_host_stat->nos_count = stats->nos_rcvd;
    }
    pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
    pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;

done_free:
        dma_pool_free(ha->s_dma_pool, stats, stats_dma);
done:
    return pfc_host_stat;
}

static void
qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
{
    scsi_qla_host_t *vha = shost_priv(shost);

    qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost));
}

static void
qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
{
    scsi_qla_host_t *vha = shost_priv(shost);

    set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
}

static void
qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
{
    scsi_qla_host_t *vha = shost_priv(shost);
    uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
        0xFF, 0xFF, 0xFF, 0xFF};
    u64 fabric_name = wwn_to_u64(node_name);

    if (vha->device_flags & SWITCH_FOUND)
        fabric_name = wwn_to_u64(vha->fabric_node_name);

    fc_host_fabric_name(shost) = fabric_name;
}

static void
qla2x00_get_host_port_state(struct Scsi_Host *shost)
{
    scsi_qla_host_t *vha = shost_priv(shost);
    struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);

    if (!base_vha->flags.online) {
        fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
        return;
    }

    switch (atomic_read(&base_vha->loop_state)) {
    case LOOP_UPDATE:
        fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
        break;
    case LOOP_DOWN:
        if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
            fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
        else
            fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
        break;
    case LOOP_DEAD:
        fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
        break;
    case LOOP_READY:
        fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
        break;
    default:
        fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
        break;
    }
}

static int
qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
{
    int ret = 0;
    uint8_t qos = 0;
    scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
    scsi_qla_host_t *vha = NULL;
    struct qla_hw_data *ha = base_vha->hw;
    uint16_t options = 0;
    int cnt;
    struct req_que *req = ha->req_q_map[0];

    ret = qla24xx_vport_create_req_sanity_check(fc_vport);
    if (ret) {
        ql_log(ql_log_warn, vha, 0x707e,
            "Vport sanity check failed, status %x\n", ret);
        return (ret);
    }

    vha = qla24xx_create_vhost(fc_vport);
    if (vha == NULL) {
        ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
        return FC_VPORT_FAILED;
    }
    if (disable) {
        atomic_set(&vha->vp_state, VP_OFFLINE);
        fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
    } else
        atomic_set(&vha->vp_state, VP_FAILED);

    /* ready to create vport */
    ql_log(ql_log_info, vha, 0x7080,
        "VP entry id %d assigned.\n", vha->vp_idx);

    /* initialized vport states */
    atomic_set(&vha->loop_state, LOOP_DOWN);
    vha->vp_err_state=  VP_ERR_PORTDWN;
    vha->vp_prev_err_state=  VP_ERR_UNKWN;
    /* Check if physical ha port is Up */
    if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
        atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
        /* Don't retry or attempt login of this virtual port */
        ql_dbg(ql_dbg_user, vha, 0x7081,
            "Vport loop state is not UP.\n");
        atomic_set(&vha->loop_state, LOOP_DEAD);
        if (!disable)
            fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
    }

    if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
        if (ha->fw_attributes & BIT_4) {
            int prot = 0, guard;
            vha->flags.difdix_supported = 1;
            ql_dbg(ql_dbg_user, vha, 0x7082,
                "Registered for DIF/DIX type 1 and 3 protection.\n");
            if (ql2xenabledif == 1)
                prot = SHOST_DIX_TYPE0_PROTECTION;
            scsi_host_set_prot(vha->host,
                prot | SHOST_DIF_TYPE1_PROTECTION
                | SHOST_DIF_TYPE2_PROTECTION
                | SHOST_DIF_TYPE3_PROTECTION
                | SHOST_DIX_TYPE1_PROTECTION
                | SHOST_DIX_TYPE2_PROTECTION
                | SHOST_DIX_TYPE3_PROTECTION);

            guard = SHOST_DIX_GUARD_CRC;

            if (IS_PI_IPGUARD_CAPABLE(ha) &&
                (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
                guard |= SHOST_DIX_GUARD_IP;

            scsi_host_set_guard(vha->host, guard);
        } else
            vha->flags.difdix_supported = 0;
    }

    if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
                   &ha->pdev->dev)) {
        ql_dbg(ql_dbg_user, vha, 0x7083,
            "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
        goto vport_create_failed_2;
    }

    /* initialize attributes */
    fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
    fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
    fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
    fc_host_supported_classes(vha->host) =
        fc_host_supported_classes(base_vha->host);
    fc_host_supported_speeds(vha->host) =
        fc_host_supported_speeds(base_vha->host);

    qlt_vport_create(vha, ha);
    qla24xx_vport_disable(fc_vport, disable);

    if (ha->flags.cpu_affinity_enabled) {
        req = ha->req_q_map[1];
        ql_dbg(ql_dbg_multiq, vha, 0xc000,
            "Request queue %p attached with "
            "VP[%d], cpu affinity =%d\n",
            req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
        goto vport_queue;
    } else if (ql2xmaxqueues == 1 || !ha->npiv_info)
        goto vport_queue;
    /* Create a request queue in QoS mode for the vport */
    for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
        if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
            && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
                    8) == 0) {
            qos = ha->npiv_info[cnt].q_qos;
            break;
        }
    }

    if (qos) {
        ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
            qos);
        if (!ret)
            ql_log(ql_log_warn, vha, 0x7084,
                "Can't create request queue for VP[%d]\n",
                vha->vp_idx);
        else {
            ql_dbg(ql_dbg_multiq, vha, 0xc001,
                "Request Que:%d Q0s: %d) created for VP[%d]\n",
                ret, qos, vha->vp_idx);
            ql_dbg(ql_dbg_user, vha, 0x7085,
                "Request Que:%d Q0s: %d) created for VP[%d]\n",
                ret, qos, vha->vp_idx);
            req = ha->req_q_map[ret];
        }
    }

vport_queue:
    vha->req = req;
    return 0;

vport_create_failed_2:
    qla24xx_disable_vp(vha);
    qla24xx_deallocate_vp_id(vha);
    scsi_host_put(vha->host);
    return FC_VPORT_FAILED;
}

static int
qla24xx_vport_delete(struct fc_vport *fc_vport)
{
    scsi_qla_host_t *vha = fc_vport->dd_data;
    struct qla_hw_data *ha = vha->hw;
    uint16_t id = vha->vp_idx;

    while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
        test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
        msleep(1000);

    qla24xx_disable_vp(vha);

    vha->flags.delete_progress = 1;

    fc_remove_host(vha->host);

    scsi_remove_host(vha->host);

    /* Allow timer to run to drain queued items, when removing vp */
    qla24xx_deallocate_vp_id(vha);

    if (vha->timer_active) {
        qla2x00_vp_stop_timer(vha);
        ql_dbg(ql_dbg_user, vha, 0x7086,
            "Timer for the VP[%d] has stopped\n", vha->vp_idx);
    }

    /* No pending activities shall be there on the vha now */
    if (ql2xextended_error_logging & ql_dbg_user)
        msleep(random32()%10);  /* Just to see if something falls on
                    * the net we have placed below */

    BUG_ON(atomic_read(&vha->vref_count));

    qla2x00_free_fcports(vha);

    mutex_lock(&ha->vport_lock);
    ha->cur_vport_count--;
    clear_bit(vha->vp_idx, ha->vp_idx_map);
    mutex_unlock(&ha->vport_lock);

    if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
        if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
            ql_log(ql_log_warn, vha, 0x7087,
                "Queue delete failed.\n");
    }

    ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
    scsi_host_put(vha->host);
    return 0;
}

static int
qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
{
    scsi_qla_host_t *vha = fc_vport->dd_data;

    if (disable)
        qla24xx_disable_vp(vha);
    else
        qla24xx_enable_vp(vha);

    return 0;
}

struct fc_function_template qla2xxx_transport_functions = {

    .show_host_node_name = 1,
    .show_host_port_name = 1,
    .show_host_supported_classes = 1,
    .show_host_supported_speeds = 1,

    .get_host_port_id = qla2x00_get_host_port_id,
    .show_host_port_id = 1,
    .get_host_speed = qla2x00_get_host_speed,
    .show_host_speed = 1,
    .get_host_port_type = qla2x00_get_host_port_type,
    .show_host_port_type = 1,
    .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
    .show_host_symbolic_name = 1,
    .set_host_system_hostname = qla2x00_set_host_system_hostname,
    .show_host_system_hostname = 1,
    .get_host_fabric_name = qla2x00_get_host_fabric_name,
    .show_host_fabric_name = 1,
    .get_host_port_state = qla2x00_get_host_port_state,
    .show_host_port_state = 1,

    .dd_fcrport_size = sizeof(struct fc_port *),
    .show_rport_supported_classes = 1,

    .get_starget_node_name = qla2x00_get_starget_node_name,
    .show_starget_node_name = 1,
    .get_starget_port_name = qla2x00_get_starget_port_name,
    .show_starget_port_name = 1,
    .get_starget_port_id  = qla2x00_get_starget_port_id,
    .show_starget_port_id = 1,

    .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
    .show_rport_dev_loss_tmo = 1,

    .issue_fc_host_lip = qla2x00_issue_lip,
    .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
    .terminate_rport_io = qla2x00_terminate_rport_io,
    .get_fc_host_stats = qla2x00_get_fc_host_stats,

    .vport_create = qla24xx_vport_create,
    .vport_disable = qla24xx_vport_disable,
    .vport_delete = qla24xx_vport_delete,
    .bsg_request = qla24xx_bsg_request,
    .bsg_timeout = qla24xx_bsg_timeout,
};

struct fc_function_template qla2xxx_transport_vport_functions = {

    .show_host_node_name = 1,
    .show_host_port_name = 1,
    .show_host_supported_classes = 1,

    .get_host_port_id = qla2x00_get_host_port_id,
    .show_host_port_id = 1,
    .get_host_speed = qla2x00_get_host_speed,
    .show_host_speed = 1,
    .get_host_port_type = qla2x00_get_host_port_type,
    .show_host_port_type = 1,
    .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
    .show_host_symbolic_name = 1,
    .set_host_system_hostname = qla2x00_set_host_system_hostname,
    .show_host_system_hostname = 1,
    .get_host_fabric_name = qla2x00_get_host_fabric_name,
    .show_host_fabric_name = 1,
    .get_host_port_state = qla2x00_get_host_port_state,
    .show_host_port_state = 1,

    .dd_fcrport_size = sizeof(struct fc_port *),
    .show_rport_supported_classes = 1,

    .get_starget_node_name = qla2x00_get_starget_node_name,
    .show_starget_node_name = 1,
    .get_starget_port_name = qla2x00_get_starget_port_name,
    .show_starget_port_name = 1,
    .get_starget_port_id  = qla2x00_get_starget_port_id,
    .show_starget_port_id = 1,

    .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
    .show_rport_dev_loss_tmo = 1,

    .issue_fc_host_lip = qla2x00_issue_lip,
    .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
    .terminate_rport_io = qla2x00_terminate_rport_io,
    .get_fc_host_stats = qla2x00_get_fc_host_stats,
    .bsg_request = qla24xx_bsg_request,
    .bsg_timeout = qla24xx_bsg_timeout,
};

void
qla2x00_init_host_attr(scsi_qla_host_t *vha)
{
    struct qla_hw_data *ha = vha->hw;
    u32 speed = FC_PORTSPEED_UNKNOWN;

    fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
    fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
    fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
    fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
            (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
    fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
    fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;

    if (IS_CNA_CAPABLE(ha))
        speed = FC_PORTSPEED_10GBIT;
    else if (IS_QLA2031(ha))
        speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
            FC_PORTSPEED_4GBIT;
    else if (IS_QLA25XX(ha))
        speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
            FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
    else if (IS_QLA24XX_TYPE(ha))
        speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
            FC_PORTSPEED_1GBIT;
    else if (IS_QLA23XX(ha))
        speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
    else
        speed = FC_PORTSPEED_1GBIT;
    fc_host_supported_speeds(vha->host) = speed;
}