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1 /*
2 * udev.h
3 *
4 * Userspace devfs
5 *
6 * Copyright (C) 2003 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 _UDEV_H_
24 #define _UDEV_H_
25
26 #include <sys/param.h>
27 #include "libsysfs/sysfs/libsysfs.h"
28
29 #define ALARM_TIMEOUT 120
30 #define COMMENT_CHARACTER '#'
31
32 #define NAME_SIZE 256
33 #define OWNER_SIZE 30
34 #define GROUP_SIZE 30
35 #define MODE_SIZE 8
36
37 #define ACTION_SIZE 32
38 #define DEVPATH_SIZE 256
39 #define SUBSYSTEM_SIZE 32
40 #define SEQNUM_SIZE 32
41
42 #define LINE_SIZE 256
43
44 /* length of public data to store in udevdb */
45 #define UDEVICE_DB_LEN (offsetof(struct udevice, devpath))
46
47 struct udevice {
48 char name[NAME_SIZE];
49 char owner[OWNER_SIZE];
50 char group[GROUP_SIZE];
51 char type;
52 int major;
53 int minor;
54 unsigned int mode; /* not mode_t due to conflicting definitions in different libcs */
55 char symlink[NAME_SIZE];
56 int partitions;
57 int config_line;
58 char config_file[NAME_SIZE];
59 long config_uptime;
60
61 /* private data, not stored in udevdb */
62 char devpath[DEVPATH_SIZE];
63 char subsystem[SUBSYSTEM_SIZE];
64 char bus_id[SYSFS_NAME_LEN];
65 char bus[SYSFS_NAME_LEN];
66 char program_result[NAME_SIZE];
67 char kernel_number[NAME_SIZE];
68 char kernel_name[NAME_SIZE];
69 char devname[NAME_SIZE];
70 int test_run;
71 };
72
73 extern int udev_add_device(struct udevice *udev, struct sysfs_class_device *class_dev);
74 extern int udev_remove_device(struct udevice *udev);
75 extern void udev_init_config(void);
76 extern int udev_start(void);
77 extern int parse_get_pair(char **orig_string, char **left, char **right);
78 extern void dev_d_execute(struct udevice *udev);
79
80 extern char **main_argv;
81 extern char **main_envp;
82 extern char sysfs_path[SYSFS_PATH_MAX];
83 extern char udev_root[PATH_MAX];
84 extern char udev_db_filename[PATH_MAX+NAME_MAX];
85 extern char udev_permissions_filename[PATH_MAX+NAME_MAX];
86 extern char udev_config_filename[PATH_MAX+NAME_MAX];
87 extern char udev_rules_filename[PATH_MAX+NAME_MAX];
88 extern char default_mode_str[MODE_SIZE];
89 extern char default_owner_str[OWNER_SIZE];
90 extern char default_group_str[GROUP_SIZE];
91 extern int udev_log;
92 extern int udev_dev_d;
93
94 #endif