Linux Audio

Check our new training course

Loading...
 1/*
 2 * QLogic iSCSI Offload Driver
 3 * Copyright (c) 2016 Cavium Inc.
 4 *
 5 * This software is available under the terms of the GNU General Public License
 6 * (GPL) Version 2, available from the file COPYING in the main directory of
 7 * this source tree.
 8 */
 9
10#include "qedi.h"
11#include "qedi_gbl.h"
12#include "qedi_iscsi.h"
13#include "qedi_dbg.h"
14
15static inline struct qedi_ctx *qedi_dev_to_hba(struct device *dev)
16{
17	struct Scsi_Host *shost = class_to_shost(dev);
18
19	return iscsi_host_priv(shost);
20}
21
22static ssize_t qedi_show_port_state(struct device *dev,
23				    struct device_attribute *attr,
24				    char *buf)
25{
26	struct qedi_ctx *qedi = qedi_dev_to_hba(dev);
27
28	if (atomic_read(&qedi->link_state) == QEDI_LINK_UP)
29		return sprintf(buf, "Online\n");
30	else
31		return sprintf(buf, "Linkdown\n");
32}
33
34static ssize_t qedi_show_speed(struct device *dev,
35			       struct device_attribute *attr, char *buf)
36{
37	struct qedi_ctx *qedi = qedi_dev_to_hba(dev);
38	struct qed_link_output if_link;
39
40	qedi_ops->common->get_link(qedi->cdev, &if_link);
41
42	return sprintf(buf, "%d Gbit\n", if_link.speed / 1000);
43}
44
45static DEVICE_ATTR(port_state, 0444, qedi_show_port_state, NULL);
46static DEVICE_ATTR(speed, 0444, qedi_show_speed, NULL);
47
48struct device_attribute *qedi_shost_attrs[] = {
49	&dev_attr_port_state,
50	&dev_attr_speed,
51	NULL
52};