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-rw-r--r--drivers/dio/dio-sysfs.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/dio/dio-sysfs.c b/drivers/dio/dio-sysfs.c
new file mode 100644
index 000000000000..d30591f69dd9
--- /dev/null
+++ b/drivers/dio/dio-sysfs.c
@@ -0,0 +1,77 @@
1/*
2 * File Attributes for DIO Devices
3 *
4 * Copyright (C) 2004 Jochen Friedrich
5 *
6 * Loosely based on drivers/pci/pci-sysfs.c and drivers/zorro/zorro-sysfs.c
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License. See the file COPYING in the main directory of this archive
10 * for more details.
11 */
12
13
14#include <linux/kernel.h>
15#include <linux/dio.h>
16#include <linux/stat.h>
17
18/* show configuration fields */
19
20static ssize_t dio_show_id(struct device *dev, char *buf)
21{
22 struct dio_dev *d;
23
24 d = to_dio_dev(dev);
25 return sprintf(buf, "0x%02x\n", (d->id & 0xff));
26}
27static DEVICE_ATTR(id, S_IRUGO, dio_show_id, NULL);
28
29static ssize_t dio_show_ipl(struct device *dev, char *buf)
30{
31 struct dio_dev *d;
32
33 d = to_dio_dev(dev);
34 return sprintf(buf, "0x%02x\n", d->ipl);
35}
36static DEVICE_ATTR(ipl, S_IRUGO, dio_show_ipl, NULL);
37
38static ssize_t dio_show_secid(struct device *dev, char *buf)
39{
40 struct dio_dev *d;
41
42 d = to_dio_dev(dev);
43 return sprintf(buf, "0x%02x\n", ((d->id >> 8)& 0xff));
44}
45static DEVICE_ATTR(secid, S_IRUGO, dio_show_secid, NULL);
46
47static ssize_t dio_show_name(struct device *dev, char *buf)
48{
49 struct dio_dev *d;
50
51 d = to_dio_dev(dev);
52 return sprintf(buf, "%s\n", d->name);
53}
54static DEVICE_ATTR(name, S_IRUGO, dio_show_name, NULL);
55
56static ssize_t dio_show_resource(struct device *dev, char *buf)
57{
58 struct dio_dev *d = to_dio_dev(dev);
59
60 return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n",
61 dio_resource_start(d), dio_resource_end(d),
62 dio_resource_flags(d));
63}
64static DEVICE_ATTR(resource, S_IRUGO, dio_show_resource, NULL);
65
66void dio_create_sysfs_dev_files(struct dio_dev *d)
67{
68 struct device *dev = &d->dev;
69
70 /* current configuration's attributes */
71 device_create_file(dev, &dev_attr_id);
72 device_create_file(dev, &dev_attr_ipl);
73 device_create_file(dev, &dev_attr_secid);
74 device_create_file(dev, &dev_attr_name);
75 device_create_file(dev, &dev_attr_resource);
76}
77