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[thirdparty/systemd.git] / namedev.h
1 /*
2 * namedev.h
3 *
4 * Userspace devfs
5 *
6 * Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation version 2 of the License.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 675 Mass Ave, Cambridge, MA 02139, USA.
20 *
21 */
22
23 #ifndef NAMEDEV_H
24 #define NAMEDEV_H
25
26 #include "udev.h"
27 #include "list.h"
28
29 struct sysfs_class_device;
30
31 #define BUS_SIZE 30
32 #define FILE_SIZE 50
33 #define VALUE_SIZE 100
34 #define ID_SIZE 50
35 #define PLACE_SIZE 50
36 #define PROGRAM_SIZE 100
37
38 #define FIELD_BUS "BUS"
39 #define FIELD_SYSFS "SYSFS"
40 #define FIELD_ID "ID"
41 #define FIELD_PLACE "PLACE"
42 #define FIELD_PROGRAM "PROGRAM"
43 #define FIELD_RESULT "RESULT"
44 #define FIELD_KERNEL "KERNEL"
45 #define FIELD_NAME "NAME"
46 #define FIELD_SYMLINK "SYMLINK"
47 #define FIELD_OWNER "OWNER"
48 #define FIELD_GROUP "GROUP"
49 #define FIELD_MODE "MODE"
50
51 #define ATTR_PARTITIONS "all_partitions"
52 #define PARTITIONS_COUNT 15
53
54 #define MAX_SYSFS_PAIRS 5
55
56 #define RULEFILE_SUFFIX ".rules"
57 #define PERMFILE_SUFFIX ".permissions"
58
59 #define set_empty_perms(dev, m, o, g) \
60 if (dev->mode == 0) \
61 dev->mode = m; \
62 if (dev->owner[0] == '\0') \
63 strfieldcpy(dev->owner, o); \
64 if (dev->group[0] == '\0') \
65 strfieldcpy(dev->group, g);
66
67 struct sysfs_pair {
68 char file[FILE_SIZE];
69 char value[VALUE_SIZE];
70 };
71
72 struct config_device {
73 struct list_head node;
74
75 char bus[BUS_SIZE];
76 char id[ID_SIZE];
77 char place[PLACE_SIZE];
78 char kernel[NAME_SIZE];
79 char program[PROGRAM_SIZE];
80 char result[PROGRAM_SIZE];
81 char name[NAME_SIZE];
82 char symlink[NAME_SIZE];
83 struct sysfs_pair sysfs_pair[MAX_SYSFS_PAIRS];
84 char owner[OWNER_SIZE];
85 char group[GROUP_SIZE];
86 unsigned int mode;
87 int partitions;
88 char config_file[NAME_SIZE];
89 int config_line;
90 };
91
92 struct perm_device {
93 struct list_head node;
94
95 char name[NAME_SIZE];
96 char owner[OWNER_SIZE];
97 char group[GROUP_SIZE];
98 unsigned int mode;
99 };
100
101 extern struct list_head config_device_list;
102 extern struct list_head perm_device_list;
103
104 extern int namedev_init(void);
105 extern int namedev_name_device(struct udevice *udev, struct sysfs_class_device *class_dev);
106 extern int namedev_init_permissions(void);
107 extern int namedev_init_rules(void);
108
109 extern void dump_config_dev(struct config_device *dev);
110 extern void dump_config_dev_list(void);
111 extern void dump_perm_dev(struct perm_device *dev);
112 extern void dump_perm_dev_list(void);
113
114 #endif