/*
* udev.h
*
- * Userspace devfs
- *
* 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
#ifndef _UDEV_H_
#define _UDEV_H_
+#include <sys/types.h>
#include <sys/param.h>
-#include "libsysfs/sysfs/libsysfs.h"
-#define ALARM_TIMEOUT 120
-#define COMMENT_CHARACTER '#'
+#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 NAME_SIZE 256
-#define USER_SIZE 32
+#define DEFAULT_PARTITIONS_COUNT 15
+#define UDEV_ALARM_TIMEOUT 180
-#define ACTION_SIZE 32
-#define DEVPATH_SIZE 256
-#define SUBSYSTEM_SIZE 32
-#define SEQNUM_SIZE 32
+#define UDEV_MAX(a,b) ((a) > (b) ? (a) : (b))
-#define LINE_SIZE 256
+/* pipes */
+#define READ_END 0
+#define WRITE_END 1
-#define DEVD_DIR "/etc/dev.d"
-#define DEVD_SUFFIX ".dev"
+#define DB_DIR ".udev/db"
-#define HOTPLUGD_DIR "/etc/hotplug.d"
-#define HOTPLUG_SUFFIX ".hotplug"
+struct udev_rules;
+
+struct sysfs_device {
+ struct list_head node; /* for device cache */
+ 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 {
- char devpath[DEVPATH_SIZE];
- char subsystem[SUBSYSTEM_SIZE];
+ /* 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];
- char name[NAME_SIZE];
- char symlink[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;
- char type;
- int major;
- int minor;
+ int mode_final;
+ dev_t devt;
- char devname[NAME_SIZE];
+ /* 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;
- int config_line;
- char config_file[NAME_SIZE];
- long config_uptime;
- char bus_id[SYSFS_NAME_LEN];
- char program_result[NAME_SIZE];
- char kernel_number[NAME_SIZE];
- char kernel_name[NAME_SIZE];
+ char program_result[PATH_SIZE];
int test_run;
};
-extern int udev_add_device(struct udevice *udev, struct sysfs_class_device *class_dev);
+/* 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 char *sysfs_attr_get_value(const char *devpath, const char *attr_name);
+
+/* udev_add.c */
+extern int udev_make_node(struct udevice *udev, const char *file, dev_t devt, mode_t mode, uid_t uid, gid_t gid);
+extern int udev_add_device(struct udevice *udev);
+
+/* udev_remove.c */
extern int udev_remove_device(struct udevice *udev);
-extern void udev_init_config(void);
-extern int udev_start(void);
-extern int parse_get_pair(char **orig_string, char **left, char **right);
-extern void udev_multiplex_directory(struct udevice *udev, const char *basedir, const char *suffix);
-
-extern char sysfs_path[SYSFS_PATH_MAX];
-extern char udev_root[PATH_MAX];
-extern char udev_db_path[PATH_MAX+NAME_MAX];
-extern char udev_permissions_filename[PATH_MAX+NAME_MAX];
-extern char udev_config_filename[PATH_MAX+NAME_MAX];
-extern char udev_rules_filename[PATH_MAX+NAME_MAX];
-extern mode_t default_mode;
-extern char default_owner[USER_SIZE];
-extern char default_group[USER_SIZE];
-extern int udev_log;
-extern int udev_dev_d;
-extern int udev_hotplug_d;
+
+/* 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 int name_list_add(struct list_head *name_list, const char *name, int sort);
+extern int 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
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