| /* |
| * udev.h |
| * |
| * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com> |
| * Copyright (C) 2003-2005 Kay Sievers <kay.sievers@vrfy.org> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 675 Mass Ave, Cambridge, MA 02139, USA. |
| * |
| */ |
| |
| #ifndef _UDEV_H_ |
| #define _UDEV_H_ |
| |
| #include <sys/types.h> |
| #include <sys/param.h> |
| |
| #include "list.h" |
| #include "logging.h" |
| #include "udev_libc_wrapper.h" |
| #include "udev_version.h" |
| |
| #define COMMENT_CHARACTER '#' |
| #define PATH_TO_NAME_CHAR '@' |
| #define LINE_SIZE 512 |
| #define NAME_SIZE 128 |
| #define PATH_SIZE 256 |
| #define USER_SIZE 32 |
| #define SEQNUM_SIZE 32 |
| #define VALUE_SIZE 128 |
| |
| #define DEFAULT_PARTITIONS_COUNT 15 |
| #define UDEV_ALARM_TIMEOUT 180 |
| |
| #define UDEV_MAX(a,b) ((a) > (b) ? (a) : (b)) |
| |
| /* pipes */ |
| #define READ_END 0 |
| #define WRITE_END 1 |
| |
| #define DB_DIR ".udev/db" |
| |
| struct udev_rules; |
| |
| struct sysfs_device { |
| struct list_head node; /* for device cache */ |
| struct sysfs_device *parent; /* already cached parent*/ |
| char devpath[PATH_SIZE]; |
| char subsystem[NAME_SIZE]; /* $class/$bus/"drivers" */ |
| char kernel_name[NAME_SIZE]; /* device instance name */ |
| char kernel_number[NAME_SIZE]; |
| char driver[NAME_SIZE]; /* device driver name */ |
| }; |
| |
| struct udevice { |
| /* device event */ |
| struct sysfs_device *dev; /* points to dev_local by default */ |
| struct sysfs_device dev_local; |
| struct sysfs_device *dev_parent; /* current parent device used for matching */ |
| char action[NAME_SIZE]; |
| |
| /* node */ |
| char name[PATH_SIZE]; |
| struct list_head symlink_list; |
| int symlink_final; |
| char owner[USER_SIZE]; |
| int owner_final; |
| char group[USER_SIZE]; |
| int group_final; |
| mode_t mode; |
| int mode_final; |
| dev_t devt; |
| |
| /* event processing */ |
| struct list_head run_list; |
| int run_final; |
| struct list_head env_list; |
| char tmp_node[PATH_SIZE]; |
| int partitions; |
| int ignore_device; |
| int ignore_remove; |
| char program_result[PATH_SIZE]; |
| int test_run; |
| }; |
| |
| /* udev_config.c */ |
| extern char udev_root[PATH_SIZE]; |
| extern char udev_config_filename[PATH_SIZE]; |
| extern char udev_rules_filename[PATH_SIZE]; |
| extern int udev_log_priority; |
| extern int udev_run; |
| extern void udev_config_init(void); |
| |
| /* udev_device.c */ |
| extern struct udevice *udev_device_init(void); |
| extern void udev_device_cleanup(struct udevice *udev); |
| extern int udev_device_event(struct udev_rules *rules, struct udevice *udev); |
| extern dev_t udev_device_get_devt(struct udevice *udev); |
| |
| /* udev_sysfs.c */ |
| extern char sysfs_path[PATH_SIZE]; |
| extern int sysfs_init(void); |
| extern void sysfs_cleanup(void); |
| extern void sysfs_device_set_values(struct sysfs_device *dev, const char *devpath, const char *subsystem); |
| extern struct sysfs_device *sysfs_device_get(const char *devpath); |
| extern struct sysfs_device *sysfs_device_get_parent(struct sysfs_device *dev); |
| extern struct sysfs_device *sysfs_device_get_parent_with_subsystem(struct sysfs_device *dev, const char *subsystem); |
| extern char *sysfs_attr_get_value(const char *devpath, const char *attr_name); |
| |
| /* udev_node.c */ |
| extern int udev_node_mknod(struct udevice *udev, const char *file, dev_t devt, mode_t mode, uid_t uid, gid_t gid); |
| extern int udev_node_add(struct udevice *udev, struct udevice *udev_old); |
| extern void udev_node_remove_symlinks(struct udevice *udev); |
| extern int udev_node_remove(struct udevice *udev); |
| |
| /* udev_db.c */ |
| extern int udev_db_add_device(struct udevice *dev); |
| extern int udev_db_delete_device(struct udevice *dev); |
| extern int udev_db_get_device(struct udevice *udev, const char *devpath); |
| extern int udev_db_lookup_name(const char *name, char *devpath, size_t len); |
| extern int udev_db_get_all_entries(struct list_head *name_list); |
| |
| /* udev_utils.c */ |
| struct name_entry { |
| struct list_head node; |
| char name[PATH_SIZE]; |
| }; |
| extern int log_priority(const char *priority); |
| extern char *name_list_add(struct list_head *name_list, const char *name, int sort); |
| extern char *name_list_key_add(struct list_head *name_list, const char *key, const char *value); |
| extern void name_list_cleanup(struct list_head *name_list); |
| extern int add_matching_files(struct list_head *name_list, const char *dirname, const char *suffix); |
| |
| /* udev_utils_string.c */ |
| extern int strcmp_pattern(const char *p, const char *s); |
| extern int string_is_true(const char *str); |
| extern void remove_trailing_chars(char *path, char c); |
| extern int utf8_encoded_valid_unichar(const char *str); |
| extern int replace_untrusted_chars(char *str); |
| |
| /* udev_utils_file.c */ |
| extern int create_path(const char *path); |
| extern int delete_path(const char *path); |
| extern int file_map(const char *filename, char **buf, size_t *bufsize); |
| extern void file_unmap(void *buf, size_t bufsize); |
| extern int unlink_secure(const char *filename); |
| extern size_t buf_get_line(const char *buf, size_t buflen, size_t cur); |
| |
| /* udev_utils_run.c */ |
| extern int pass_env_to_socket(const char *name, const char *devpath, const char *action); |
| extern int run_program(const char *command, const char *subsystem, |
| char *result, size_t ressize, size_t *reslen, int log); |
| |
| #endif |