linuxdebug/drivers/scsi/qedi/qedi_sysfs.c

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2024-07-16 15:50:57 +02:00
// 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
};