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(lport: lp);
16
17 return sysfs_emit(buf, fmt: "%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 sysfs_emit(buf, fmt: "%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 sysfs_emit(buf, fmt: "%s\n", (lp->link_up) ? "Link Up" : "Link Down");
32}
33
34static DEVICE_ATTR(fnic_state, S_IRUGO, fnic_show_state, NULL);
35static DEVICE_ATTR(drv_version, S_IRUGO, fnic_show_drv_version, NULL);
36static DEVICE_ATTR(link_state, S_IRUGO, fnic_show_link_state, NULL);
37
38static struct attribute *fnic_host_attrs[] = {
39 &dev_attr_fnic_state.attr,
40 &dev_attr_drv_version.attr,
41 &dev_attr_link_state.attr,
42 NULL,
43};
44
45static const struct attribute_group fnic_host_attr_group = {
46 .attrs = fnic_host_attrs
47};
48
49const struct attribute_group *fnic_host_groups[] = {
50 &fnic_host_attr_group,
51 NULL
52};
53

source code of linux/drivers/scsi/fnic/fnic_attrs.c