1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright 2014 Cisco Systems, Inc. All rights reserved.
3
4 #include <linux/string.h>
5 #include <linux/device.h>
6
7 #include "snic.h"
8
9 static ssize_t
snic_show_sym_name(struct device * dev,struct device_attribute * attr,char * buf)10 snic_show_sym_name(struct device *dev,
11 struct device_attribute *attr,
12 char *buf)
13 {
14 struct snic *snic = shost_priv(class_to_shost(dev));
15
16 return snprintf(buf, PAGE_SIZE, "%s\n", snic->name);
17 }
18
19 static ssize_t
snic_show_state(struct device * dev,struct device_attribute * attr,char * buf)20 snic_show_state(struct device *dev,
21 struct device_attribute *attr,
22 char *buf)
23 {
24 struct snic *snic = shost_priv(class_to_shost(dev));
25
26 return snprintf(buf, PAGE_SIZE, "%s\n",
27 snic_state_str[snic_get_state(snic)]);
28 }
29
30 static ssize_t
snic_show_drv_version(struct device * dev,struct device_attribute * attr,char * buf)31 snic_show_drv_version(struct device *dev,
32 struct device_attribute *attr,
33 char *buf)
34 {
35 return snprintf(buf, PAGE_SIZE, "%s\n", SNIC_DRV_VERSION);
36 }
37
38 static ssize_t
snic_show_link_state(struct device * dev,struct device_attribute * attr,char * buf)39 snic_show_link_state(struct device *dev,
40 struct device_attribute *attr,
41 char *buf)
42 {
43 struct snic *snic = shost_priv(class_to_shost(dev));
44
45 if (snic->config.xpt_type == SNIC_DAS)
46 snic->link_status = svnic_dev_link_status(snic->vdev);
47
48 return snprintf(buf, PAGE_SIZE, "%s\n",
49 (snic->link_status) ? "Link Up" : "Link Down");
50 }
51
52 static DEVICE_ATTR(snic_sym_name, S_IRUGO, snic_show_sym_name, NULL);
53 static DEVICE_ATTR(snic_state, S_IRUGO, snic_show_state, NULL);
54 static DEVICE_ATTR(drv_version, S_IRUGO, snic_show_drv_version, NULL);
55 static DEVICE_ATTR(link_state, S_IRUGO, snic_show_link_state, NULL);
56
57 static struct attribute *snic_host_attrs[] = {
58 &dev_attr_snic_sym_name.attr,
59 &dev_attr_snic_state.attr,
60 &dev_attr_drv_version.attr,
61 &dev_attr_link_state.attr,
62 NULL,
63 };
64
65 static const struct attribute_group snic_host_attr_group = {
66 .attrs = snic_host_attrs
67 };
68
69 const struct attribute_group *snic_host_groups[] = {
70 &snic_host_attr_group,
71 NULL
72 };
73