1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
4 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
5 */
6#include <linux/string.h>
7#include <linux/device.h>
8#include <scsi/scsi_host.h>
9#include "fnic.h"
10
11static ssize_t fnic_show_state(struct device *dev,
12			       struct device_attribute *attr, char *buf)
13{
14	struct fc_lport *lp = shost_priv(class_to_shost(dev));
15	struct fnic *fnic = lport_priv(lp);
16
17	return snprintf(buf, PAGE_SIZE, "%s\n", fnic_state_str[fnic->state]);
18}
19
20static ssize_t fnic_show_drv_version(struct device *dev,
21				     struct device_attribute *attr, char *buf)
22{
23	return snprintf(buf, PAGE_SIZE, "%s\n", DRV_VERSION);
24}
25
26static ssize_t fnic_show_link_state(struct device *dev,
27				    struct device_attribute *attr, char *buf)
28{
29	struct fc_lport *lp = shost_priv(class_to_shost(dev));
30
31	return snprintf(buf, PAGE_SIZE, "%s\n", (lp->link_up)
32			? "Link Up" : "Link Down");
33}
34
35static DEVICE_ATTR(fnic_state, S_IRUGO, fnic_show_state, NULL);
36static DEVICE_ATTR(drv_version, S_IRUGO, fnic_show_drv_version, NULL);
37static DEVICE_ATTR(link_state, S_IRUGO, fnic_show_link_state, NULL);
38
39static struct attribute *fnic_host_attrs[] = {
40	&dev_attr_fnic_state.attr,
41	&dev_attr_drv_version.attr,
42	&dev_attr_link_state.attr,
43	NULL,
44};
45
46static const struct attribute_group fnic_host_attr_group = {
47	.attrs = fnic_host_attrs
48};
49
50const struct attribute_group *fnic_host_groups[] = {
51	&fnic_host_attr_group,
52	NULL
53};
54