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Diffstat (limited to 'libsysfs/libsysfs.h')
-rw-r--r--libsysfs/libsysfs.h49
1 files changed, 31 insertions, 18 deletions
diff --git a/libsysfs/libsysfs.h b/libsysfs/libsysfs.h
index 6d8e58de21..aca25772b5 100644
--- a/libsysfs/libsysfs.h
+++ b/libsysfs/libsysfs.h
@@ -31,15 +31,10 @@
*/
#define SYSFS_FSTYPE_NAME "sysfs"
#define SYSFS_PROC_MNTS "/proc/mounts"
-#define SYSFS_BUS_DIR "/bus"
#define SYSFS_BUS_NAME "bus"
-#define SYSFS_CLASS_DIR "/class"
#define SYSFS_CLASS_NAME "class"
-#define SYSFS_BLOCK_DIR "/block"
#define SYSFS_BLOCK_NAME "block"
-#define SYSFS_DEVICES_DIR "/devices"
#define SYSFS_DEVICES_NAME "devices"
-#define SYSFS_DRIVERS_DIR "/drivers"
#define SYSFS_DRIVERS_NAME "drivers"
#define SYSFS_NAME_ATTRIBUTE "name"
#define SYSFS_UNKNOWN "unknown"
@@ -75,17 +70,15 @@ struct sysfs_directory {
};
struct sysfs_driver {
- struct dlist *devices;
unsigned char name[SYSFS_NAME_LEN];
unsigned char path[SYSFS_PATH_MAX];
/* for internal use only */
+ struct dlist *devices;
struct sysfs_directory *directory;
};
struct sysfs_device {
- struct sysfs_device *parent;
- struct dlist *children;
unsigned char name[SYSFS_NAME_LEN];
unsigned char bus_id[SYSFS_NAME_LEN];
unsigned char bus[SYSFS_NAME_LEN];
@@ -93,45 +86,48 @@ struct sysfs_device {
unsigned char path[SYSFS_PATH_MAX];
/* for internal use only */
+ struct sysfs_device *parent;
+ struct dlist *children;
struct sysfs_directory *directory;
};
struct sysfs_root_device {
- struct dlist *devices;
unsigned char name[SYSFS_NAME_LEN];
unsigned char path[SYSFS_PATH_MAX];
/* for internal use only */
+ struct dlist *devices;
struct sysfs_directory *directory;
};
struct sysfs_bus {
- struct dlist *drivers;
- struct dlist *devices;
unsigned char name[SYSFS_NAME_LEN];
unsigned char path[SYSFS_PATH_MAX];
/* internal use only */
+ struct dlist *drivers;
+ struct dlist *devices;
struct sysfs_directory *directory;
};
struct sysfs_class_device {
- struct sysfs_device *sysdevice; /* NULL if virtual */
- struct sysfs_driver *driver; /* NULL if not implemented */
unsigned char name[SYSFS_NAME_LEN];
unsigned char classname[SYSFS_NAME_LEN];
unsigned char path[SYSFS_PATH_MAX];
/* for internal use only */
+ struct sysfs_class_device *parent;
+ struct sysfs_device *sysdevice; /* NULL if virtual */
+ struct sysfs_driver *driver; /* NULL if not implemented */
struct sysfs_directory *directory;
};
struct sysfs_class {
- struct dlist *devices;
unsigned char name[SYSFS_NAME_LEN];
unsigned char path[SYSFS_PATH_MAX];
/* for internal use only */
+ struct dlist *devices;
struct sysfs_directory *directory;
};
@@ -146,6 +142,9 @@ extern int sysfs_trailing_slash(unsigned char *path);
extern int sysfs_get_mnt_path(unsigned char *mnt_path, size_t len);
extern int sysfs_get_name_from_path(const unsigned char *path,
unsigned char *name, size_t len);
+extern int sysfs_path_is_dir(const unsigned char *path);
+extern int sysfs_path_is_link(const unsigned char *path);
+extern int sysfs_path_is_file(const unsigned char *path);
extern int sysfs_get_link(const unsigned char *path, unsigned char *target,
size_t len);
extern struct dlist *sysfs_open_subsystem_list(unsigned char *name);
@@ -162,8 +161,12 @@ extern int sysfs_write_attribute(struct sysfs_attribute *sysattr,
const unsigned char *new_value, size_t len);
extern unsigned char *sysfs_get_value_from_attributes(struct dlist *attr,
const unsigned char * name);
+extern int sysfs_refresh_attributes(struct dlist *attrlist);
extern void sysfs_close_directory(struct sysfs_directory *sysdir);
extern struct sysfs_directory *sysfs_open_directory(const unsigned char *path);
+extern int sysfs_read_dir_attributes(struct sysfs_directory *sysdir);
+extern int sysfs_read_dir_links(struct sysfs_directory *sysdir);
+extern int sysfs_read_dir_subdirs(struct sysfs_directory *sysdir);
extern int sysfs_read_directory(struct sysfs_directory *sysdir);
extern int sysfs_read_all_subdirs(struct sysfs_directory *sysdir);
extern struct sysfs_directory *sysfs_get_subdirectory
@@ -183,10 +186,10 @@ extern struct sysfs_driver *sysfs_open_driver(const unsigned char *path);
extern struct sysfs_attribute *sysfs_get_driver_attr
(struct sysfs_driver *drv, const unsigned char *name);
extern struct dlist *sysfs_get_driver_attributes(struct sysfs_driver *driver);
+extern struct dlist *sysfs_get_driver_devices(struct sysfs_driver *driver);
extern struct dlist *sysfs_get_driver_links(struct sysfs_driver *driver);
-extern void sysfs_close_driver_by_name(struct sysfs_driver *driver);
-extern struct sysfs_driver *sysfs_open_driver_by_name
- (const unsigned char *drv_name, const unsigned char *bus, size_t bsize);
+extern struct sysfs_device *sysfs_get_driver_device
+ (struct sysfs_driver *driver, const unsigned char *name);
extern struct sysfs_attribute *sysfs_open_driver_attr(const unsigned char *bus,
const unsigned char *drv, const unsigned char *attrib);
@@ -194,13 +197,14 @@ extern struct sysfs_attribute *sysfs_open_driver_attr(const unsigned char *bus,
extern void sysfs_close_root_device(struct sysfs_root_device *root);
extern struct sysfs_root_device *sysfs_open_root_device
(const unsigned char *name);
+extern struct dlist *sysfs_get_root_devices(struct sysfs_root_device *root);
extern void sysfs_close_device(struct sysfs_device *dev);
extern struct sysfs_device *sysfs_open_device(const unsigned char *path);
extern struct sysfs_attribute *sysfs_get_device_attr
(struct sysfs_device *dev, const unsigned char *name);
extern struct dlist *sysfs_get_device_attributes(struct sysfs_device *device);
extern struct sysfs_device *sysfs_open_device_by_id
- (const unsigned char *bus_id, const unsigned char *bus, size_t bsize);
+ (const unsigned char *bus_id, const unsigned char *bus);
extern struct sysfs_attribute *sysfs_open_device_attr(const unsigned char *bus,
const unsigned char *bus_id, const unsigned char *attrib);
@@ -211,6 +215,8 @@ extern struct sysfs_device *sysfs_get_bus_device(struct sysfs_bus *bus,
unsigned char *id);
extern struct sysfs_driver *sysfs_get_bus_driver(struct sysfs_bus *bus,
unsigned char *drvname);
+extern struct dlist *sysfs_get_bus_drivers(struct sysfs_bus *bus);
+extern struct dlist *sysfs_get_bus_devices(struct sysfs_bus *bus);
extern struct dlist *sysfs_get_bus_attributes(struct sysfs_bus *bus);
extern struct sysfs_attribute *sysfs_get_bus_attribute(struct sysfs_bus *bus,
unsigned char *attrname);
@@ -223,8 +229,15 @@ extern int sysfs_find_driver_bus(const unsigned char *driver,
extern void sysfs_close_class_device(struct sysfs_class_device *dev);
extern struct sysfs_class_device *sysfs_open_class_device
(const unsigned char *path);
+extern struct sysfs_device *sysfs_get_classdev_device
+ (struct sysfs_class_device *clsdev);
+extern struct sysfs_driver *sysfs_get_classdev_driver
+ (struct sysfs_class_device *clsdev);
+extern struct sysfs_class_device *sysfs_get_classdev_parent
+ (struct sysfs_class_device *clsdev);
extern void sysfs_close_class(struct sysfs_class *cls);
extern struct sysfs_class *sysfs_open_class(const unsigned char *name);
+extern struct dlist *sysfs_get_class_devices(struct sysfs_class *cls);
extern struct sysfs_class_device *sysfs_get_class_device
(struct sysfs_class *class, unsigned char *name);
extern struct sysfs_class_device *sysfs_open_class_device_by_name