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Commit | Line | Data |
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f0083e3d | 1 | /* |
f0083e3d | 2 | * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com> |
27b77df4 | 3 | * Copyright (C) 2003-2006 Kay Sievers <kay.sievers@vrfy.org> |
f0083e3d GKH |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License as published by the | |
7 | * Free Software Foundation version 2 of the License. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but | |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
27b77df4 | 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
f0083e3d GKH |
17 | * |
18 | */ | |
19 | ||
c81b35c0 KS |
20 | #ifndef _UDEV_H_ |
21 | #define _UDEV_H_ | |
f0083e3d | 22 | |
c1ab0461 | 23 | #include <sys/types.h> |
c076a2bd | 24 | #include <sys/param.h> |
1aa1e248 | 25 | |
9ed47a9f | 26 | #include "list.h" |
1aa1e248 | 27 | #include "logging.h" |
dbd16d26 | 28 | #include "udev_sysdeps.h" |
1aa1e248 | 29 | #include "udev_version.h" |
f0083e3d | 30 | |
03b24b71 KS |
31 | #define COMMENT_CHARACTER '#' |
32 | #define PATH_TO_NAME_CHAR '@' | |
33 | #define LINE_SIZE 512 | |
989e0811 | 34 | #define PATH_SIZE 512 |
03b24b71 | 35 | #define NAME_SIZE 128 |
03b24b71 | 36 | #define VALUE_SIZE 128 |
e964c2c0 | 37 | |
03b24b71 KS |
38 | #define DEFAULT_PARTITIONS_COUNT 15 |
39 | #define UDEV_ALARM_TIMEOUT 180 | |
6d564166 | 40 | |
1aa1e248 KS |
41 | #define UDEV_MAX(a,b) ((a) > (b) ? (a) : (b)) |
42 | ||
43 | /* pipes */ | |
03b24b71 KS |
44 | #define READ_END 0 |
45 | #define WRITE_END 1 | |
1aa1e248 | 46 | |
03b24b71 | 47 | #define DB_DIR ".udev/db" |
fc55cf68 | 48 | |
e8d569b4 KS |
49 | struct udev_rules; |
50 | ||
1aa1e248 | 51 | struct sysfs_device { |
03b24b71 | 52 | struct list_head node; /* for device cache */ |
34f55103 | 53 | struct sysfs_device *parent; /* already cached parent*/ |
1aa1e248 | 54 | char devpath[PATH_SIZE]; |
95776dc6 KS |
55 | char subsystem[NAME_SIZE]; /* $class, $bus, drivers, module */ |
56 | char kernel[NAME_SIZE]; /* device instance name */ | |
1aa1e248 | 57 | char kernel_number[NAME_SIZE]; |
03b24b71 | 58 | char driver[NAME_SIZE]; /* device driver name */ |
5ef42682 KS |
59 | }; |
60 | ||
5840bc63 | 61 | struct udevice { |
1aa1e248 | 62 | /* device event */ |
03b24b71 | 63 | struct sysfs_device *dev; /* points to dev_local by default */ |
1aa1e248 | 64 | struct sysfs_device dev_local; |
03b24b71 | 65 | struct sysfs_device *dev_parent; /* current parent device used for matching */ |
821d0ec8 | 66 | char action[NAME_SIZE]; |
2af003fe | 67 | |
1aa1e248 | 68 | /* node */ |
63f61c5c | 69 | char name[PATH_SIZE]; |
e48fc108 | 70 | struct list_head symlink_list; |
c974742b | 71 | int symlink_final; |
989e0811 | 72 | char owner[NAME_SIZE]; |
c974742b | 73 | int owner_final; |
989e0811 | 74 | char group[NAME_SIZE]; |
c974742b | 75 | int group_final; |
2af003fe | 76 | mode_t mode; |
c974742b | 77 | int mode_final; |
7e720bd4 | 78 | dev_t devt; |
1aa1e248 KS |
79 | |
80 | /* event processing */ | |
821d0ec8 | 81 | struct list_head run_list; |
c974742b | 82 | int run_final; |
b8476286 | 83 | struct list_head env_list; |
63f61c5c | 84 | char tmp_node[PATH_SIZE]; |
50e5de03 | 85 | int partitions; |
821d0ec8 | 86 | int ignore_device; |
7efa217d | 87 | int ignore_remove; |
63f61c5c | 88 | char program_result[PATH_SIZE]; |
7a947ce5 | 89 | int test_run; |
5840bc63 GKH |
90 | }; |
91 | ||
1aa1e248 KS |
92 | /* udev_config.c */ |
93 | extern char udev_root[PATH_SIZE]; | |
94 | extern char udev_config_filename[PATH_SIZE]; | |
9dd0c257 | 95 | extern char udev_rules_dir[PATH_SIZE]; |
1aa1e248 KS |
96 | extern int udev_log_priority; |
97 | extern int udev_run; | |
98 | extern void udev_config_init(void); | |
99 | ||
100 | /* udev_device.c */ | |
101 | extern struct udevice *udev_device_init(void); | |
102 | extern void udev_device_cleanup(struct udevice *udev); | |
103 | extern int udev_device_event(struct udev_rules *rules, struct udevice *udev); | |
104 | extern dev_t udev_device_get_devt(struct udevice *udev); | |
105 | ||
106 | /* udev_sysfs.c */ | |
107 | extern char sysfs_path[PATH_SIZE]; | |
108 | extern int sysfs_init(void); | |
109 | extern void sysfs_cleanup(void); | |
254efc14 KS |
110 | extern void sysfs_device_set_values(struct sysfs_device *dev, const char *devpath, |
111 | const char *subsystem, const char *driver); | |
1aa1e248 KS |
112 | extern struct sysfs_device *sysfs_device_get(const char *devpath); |
113 | extern struct sysfs_device *sysfs_device_get_parent(struct sysfs_device *dev); | |
6ecd4d1e | 114 | extern struct sysfs_device *sysfs_device_get_parent_with_subsystem(struct sysfs_device *dev, const char *subsystem); |
1aa1e248 | 115 | extern char *sysfs_attr_get_value(const char *devpath, const char *attr_name); |
82c60ce5 | 116 | extern int sysfs_resolve_link(char *path, size_t size); |
1aa1e248 | 117 | |
a4d5ca64 KS |
118 | /* udev_node.c */ |
119 | extern int udev_node_mknod(struct udevice *udev, const char *file, dev_t devt, mode_t mode, uid_t uid, gid_t gid); | |
ff9a488d KS |
120 | extern int udev_node_add(struct udevice *udev, struct udevice *udev_old); |
121 | extern void udev_node_remove_symlinks(struct udevice *udev); | |
a4d5ca64 | 122 | extern int udev_node_remove(struct udevice *udev); |
a507a015 | 123 | |
1aa1e248 | 124 | /* udev_db.c */ |
fc55cf68 KS |
125 | extern int udev_db_add_device(struct udevice *dev); |
126 | extern int udev_db_delete_device(struct udevice *dev); | |
127 | extern int udev_db_get_device(struct udevice *udev, const char *devpath); | |
128 | extern int udev_db_lookup_name(const char *name, char *devpath, size_t len); | |
129 | extern int udev_db_get_all_entries(struct list_head *name_list); | |
130 | ||
1aa1e248 KS |
131 | /* udev_utils.c */ |
132 | struct name_entry { | |
133 | struct list_head node; | |
134 | char name[PATH_SIZE]; | |
135 | }; | |
136 | extern int log_priority(const char *priority); | |
7ba2d2e6 KS |
137 | extern char *name_list_add(struct list_head *name_list, const char *name, int sort); |
138 | extern char *name_list_key_add(struct list_head *name_list, const char *key, const char *value); | |
1aa1e248 KS |
139 | extern void name_list_cleanup(struct list_head *name_list); |
140 | extern int add_matching_files(struct list_head *name_list, const char *dirname, const char *suffix); | |
3a020a85 KS |
141 | extern uid_t lookup_user(const char *user); |
142 | extern gid_t lookup_group(const char *group); | |
1aa1e248 KS |
143 | |
144 | /* udev_utils_string.c */ | |
1aa1e248 KS |
145 | extern int string_is_true(const char *str); |
146 | extern void remove_trailing_chars(char *path, char c); | |
147 | extern int utf8_encoded_valid_unichar(const char *str); | |
148 | extern int replace_untrusted_chars(char *str); | |
149 | ||
150 | /* udev_utils_file.c */ | |
151 | extern int create_path(const char *path); | |
152 | extern int delete_path(const char *path); | |
153 | extern int file_map(const char *filename, char **buf, size_t *bufsize); | |
154 | extern void file_unmap(void *buf, size_t bufsize); | |
155 | extern int unlink_secure(const char *filename); | |
156 | extern size_t buf_get_line(const char *buf, size_t buflen, size_t cur); | |
157 | ||
158 | /* udev_utils_run.c */ | |
159 | extern int pass_env_to_socket(const char *name, const char *devpath, const char *action); | |
160 | extern int run_program(const char *command, const char *subsystem, | |
161 | char *result, size_t ressize, size_t *reslen, int log); | |
c056c514 | 162 | |
f0083e3d | 163 | #endif |