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-rw-r--r--udev.h108
1 files changed, 80 insertions, 28 deletions
diff --git a/udev.h b/udev.h
index ca99da512d..c060b8d6ff 100644
--- a/udev.h
+++ b/udev.h
@@ -24,8 +24,11 @@
#include <sys/types.h>
#include <sys/param.h>
-#include "libsysfs/sysfs/libsysfs.h"
+
#include "list.h"
+#include "logging.h"
+#include "udev_libc_wrapper.h"
+#include "udev_version.h"
#define COMMENT_CHARACTER '#'
#define PATH_TO_NAME_CHAR '@'
@@ -39,24 +42,32 @@
#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;
-enum device_type {
- DEV_UNKNOWN,
- DEV_CLASS,
- DEV_BLOCK,
- DEV_NET,
- DEV_DEVICE,
+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[PATH_SIZE];
- char subsystem[NAME_SIZE];
+ /* device event */
+ struct sysfs_device *dev;
+ struct sysfs_device dev_local;
char action[NAME_SIZE];
- enum device_type type;
+ /* node */
char name[PATH_SIZE];
struct list_head symlink_list;
int symlink_final;
@@ -67,42 +78,83 @@ struct udevice {
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 bus_id[NAME_SIZE];
char program_result[PATH_SIZE];
- char kernel_number[NAME_SIZE];
- char kernel_name[NAME_SIZE];
int test_run;
};
-extern int udev_init_device(struct udevice *udev, const char* devpath, const char *subsystem, const char *action);
-extern void udev_cleanup_device(struct udevice *udev);
-extern dev_t get_devt(struct sysfs_class_device *class_dev);
-extern int udev_process_event(struct udev_rules *rules, struct udevice *udev);
-extern int udev_add_device(struct udevice *udev, struct sysfs_class_device *class_dev);
-extern int udev_remove_device(struct udevice *udev);
-extern void udev_init_config(void);
-extern int udev_start(void);
+/* 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 / udev_remove.c */
+extern int udev_add_device(struct udevice *udev);
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_remove_device(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);
-extern char sysfs_path[PATH_SIZE];
-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;
+/* 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