1/*
2 * Copyright 2014 Cisco Systems, Inc.  All rights reserved.
3 *
4 * This program is free software; you may redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
9 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
10 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
11 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
12 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
13 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
14 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
15 * SOFTWARE.
16 */
17
18#include <linux/string.h>
19#include <linux/device.h>
20
21#include "snic.h"
22
23static ssize_t
24snic_show_sym_name(struct device *dev,
25		struct device_attribute *attr,
26		char *buf)
27{
28	struct snic *snic = shost_priv(class_to_shost(dev));
29
30	return snprintf(buf, PAGE_SIZE, "%s\n", snic->name);
31}
32
33static ssize_t
34snic_show_state(struct device *dev,
35		struct device_attribute *attr,
36		char *buf)
37{
38	struct snic *snic = shost_priv(class_to_shost(dev));
39
40	return snprintf(buf, PAGE_SIZE, "%s\n",
41			snic_state_str[snic_get_state(snic)]);
42}
43
44static ssize_t
45snic_show_drv_version(struct device *dev,
46		      struct device_attribute *attr,
47		      char *buf)
48{
49	return snprintf(buf, PAGE_SIZE, "%s\n", SNIC_DRV_VERSION);
50}
51
52static ssize_t
53snic_show_link_state(struct device *dev,
54		     struct device_attribute *attr,
55		     char *buf)
56{
57	struct snic *snic = shost_priv(class_to_shost(dev));
58
59	if (snic->config.xpt_type == SNIC_DAS)
60		snic->link_status = svnic_dev_link_status(snic->vdev);
61
62	return snprintf(buf, PAGE_SIZE, "%s\n",
63			(snic->link_status) ? "Link Up" : "Link Down");
64}
65
66static DEVICE_ATTR(snic_sym_name, S_IRUGO, snic_show_sym_name, NULL);
67static DEVICE_ATTR(snic_state, S_IRUGO, snic_show_state, NULL);
68static DEVICE_ATTR(drv_version, S_IRUGO, snic_show_drv_version, NULL);
69static DEVICE_ATTR(link_state, S_IRUGO, snic_show_link_state, NULL);
70
71struct device_attribute *snic_attrs[] = {
72	&dev_attr_snic_sym_name,
73	&dev_attr_snic_state,
74	&dev_attr_drv_version,
75	&dev_attr_link_state,
76	NULL,
77};
78