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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 | |
20 | static ssize_t dio_show_id(struct device *dev, struct device_attribute *attr, 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 | } |
27 | static DEVICE_ATTR(id, S_IRUGO, dio_show_id, NULL); |
28 | |
29 | static ssize_t dio_show_ipl(struct device *dev, struct device_attribute *attr, 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 | } |
36 | static DEVICE_ATTR(ipl, S_IRUGO, dio_show_ipl, NULL); |
37 | |
38 | static ssize_t dio_show_secid(struct device *dev, struct device_attribute *attr, 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 | } |
45 | static DEVICE_ATTR(secid, S_IRUGO, dio_show_secid, NULL); |
46 | |
47 | static ssize_t dio_show_name(struct device *dev, struct device_attribute *attr, char *buf) |
48 | { |
49 | struct dio_dev *d; |
50 | |
51 | d = to_dio_dev(dev); |
52 | return sprintf(buf, "%s\n", d->name); |
53 | } |
54 | static DEVICE_ATTR(name, S_IRUGO, dio_show_name, NULL); |
55 | |
56 | static ssize_t dio_show_resource(struct device *dev, struct device_attribute *attr, 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 | (unsigned long)dio_resource_start(d), |
62 | (unsigned long)dio_resource_end(d), |
63 | dio_resource_flags(d)); |
64 | } |
65 | static DEVICE_ATTR(resource, S_IRUGO, dio_show_resource, NULL); |
66 | |
67 | int dio_create_sysfs_dev_files(struct dio_dev *d) |
68 | { |
69 | struct device *dev = &d->dev; |
70 | int error; |
71 | |
72 | /* current configuration's attributes */ |
73 | if ((error = device_create_file(dev, &dev_attr_id)) || |
74 | (error = device_create_file(dev, &dev_attr_ipl)) || |
75 | (error = device_create_file(dev, &dev_attr_secid)) || |
76 | (error = device_create_file(dev, &dev_attr_name)) || |
77 | (error = device_create_file(dev, &dev_attr_resource))) |
78 | return error; |
79 | |
80 | return 0; |
81 | } |
82 | |
83 |
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