// SPDX-License-Identifier: GPL-2.0-only
/*
 * QLogic iSCSI Offload Driver
 * Copyright (c) 2016 Cavium Inc.
 */

#include "qedi.h"
#include "qedi_gbl.h"
#include "qedi_iscsi.h"
#include "qedi_dbg.h"

static inline struct qedi_ctx *qedi_dev_to_hba(struct device *dev)
{
        struct Scsi_Host *shost = class_to_shost(dev);

        return iscsi_host_priv(shost);
}

static ssize_t port_state_show(struct device *dev,
                               struct device_attribute *attr,
                               char *buf)
{
        struct qedi_ctx *qedi = qedi_dev_to_hba(dev);

        if (atomic_read(&qedi->link_state) == QEDI_LINK_UP)
                return sprintf(buf, "Online\n");
        else
                return sprintf(buf, "Linkdown\n");
}

static ssize_t speed_show(struct device *dev,
                          struct device_attribute *attr, char *buf)
{
        struct qedi_ctx *qedi = qedi_dev_to_hba(dev);
        struct qed_link_output if_link;

        qedi_ops->common->get_link(qedi->cdev, &if_link);

        return sprintf(buf, "%d Gbit\n", if_link.speed / 1000);
}

static DEVICE_ATTR_RO(port_state);
static DEVICE_ATTR_RO(speed);

static struct attribute *qedi_shost_attrs[] = {
        &dev_attr_port_state.attr,
        &dev_attr_speed.attr,
        NULL
};

static const struct attribute_group qedi_shost_attr_group = {
        .attrs = qedi_shost_attrs
};

const struct attribute_group *qedi_shost_groups[] = {
        &qedi_shost_attr_group,
        NULL
};