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
fnic_show_state(struct device * dev,struct device_attribute * attr,char * buf)11 static ssize_t fnic_show_state(struct device *dev,
12 struct device_attribute *attr, char *buf)
13 {
14 struct fnic *fnic =
15 *((struct fnic **) shost_priv(class_to_shost(dev)));
16
17 return sysfs_emit(buf, "%s\n", fnic_state_str[fnic->state]);
18 }
19
fnic_show_drv_version(struct device * dev,struct device_attribute * attr,char * buf)20 static ssize_t fnic_show_drv_version(struct device *dev,
21 struct device_attribute *attr, char *buf)
22 {
23 return sysfs_emit(buf, "%s\n", DRV_VERSION);
24 }
25
fnic_show_link_state(struct device * dev,struct device_attribute * attr,char * buf)26 static ssize_t fnic_show_link_state(struct device *dev,
27 struct device_attribute *attr, char *buf)
28 {
29 struct fnic *fnic =
30 *((struct fnic **) shost_priv(class_to_shost(dev)));
31
32 return sysfs_emit(buf, "%s\n",
33 ((fnic->iport.state != FNIC_IPORT_STATE_INIT) &&
34 (fnic->iport.state != FNIC_IPORT_STATE_LINK_WAIT)) ?
35 "Link Up" : "Link Down");
36 }
37
38 static DEVICE_ATTR(fnic_state, S_IRUGO, fnic_show_state, NULL);
39 static DEVICE_ATTR(drv_version, S_IRUGO, fnic_show_drv_version, NULL);
40 static DEVICE_ATTR(link_state, S_IRUGO, fnic_show_link_state, NULL);
41
42 static struct attribute *fnic_host_attrs[] = {
43 &dev_attr_fnic_state.attr,
44 &dev_attr_drv_version.attr,
45 &dev_attr_link_state.attr,
46 NULL,
47 };
48
49 static const struct attribute_group fnic_host_attr_group = {
50 .attrs = fnic_host_attrs
51 };
52
53 const struct attribute_group *fnic_host_groups[] = {
54 &fnic_host_attr_group,
55 NULL
56 };
57