media.h File Reference

Media Manager API. More...

#include <sys/types.h>
#include <rtems.h>

Go to the source code of this file.

Macros
#define	RTEMS_MEDIA_MOUNT_BASE   "/media"
#define	RTEMS_MEDIA_DELIMITER   '-'

Typedefs
typedef rtems_status_code(*	rtems_media_listener) (rtems_media_event event, rtems_media_state state, const char *src, const char *dest, void *listener_arg)
	Event listener.
typedef rtems_status_code(*	rtems_media_worker) (rtems_media_state state, const char *src, char **dest, void *worker_arg)
	Do the work corresponding to an event.

Enumerations
enum	rtems_media_event {   RTEMS_MEDIA_EVENT_DISK_ATTACH , RTEMS_MEDIA_EVENT_DISK_DETACH , RTEMS_MEDIA_EVENT_MOUNT , RTEMS_MEDIA_EVENT_UNMOUNT ,   RTEMS_MEDIA_EVENT_PARTITION_INQUIRY , RTEMS_MEDIA_EVENT_PARTITION_ATTACH , RTEMS_MEDIA_EVENT_PARTITION_DETACH , RTEMS_MEDIA_EVENT_ERROR }
enum	rtems_media_state {   RTEMS_MEDIA_STATE_INQUIRY , RTEMS_MEDIA_STATE_READY , RTEMS_MEDIA_STATE_ABORTED , RTEMS_MEDIA_STATE_SUCCESS ,   RTEMS_MEDIA_STATE_FAILED , RTEMS_MEDIA_ERROR_DISK_UNKNOWN , RTEMS_MEDIA_ERROR_DISK_EXISTS , RTEMS_MEDIA_ERROR_DISK_OR_PARTITION_UNKNOWN ,   RTEMS_MEDIA_ERROR_DISK_OR_PARTITION_EXISTS , RTEMS_MEDIA_ERROR_PARTITION_UNKNOWN , RTEMS_MEDIA_ERROR_PARTITION_ORPHAN , RTEMS_MEDIA_ERROR_PARTITION_DETACH_WITH_MOUNT ,   RTEMS_MEDIA_ERROR_PARTITION_WITH_UNKNOWN_DISK , RTEMS_MEDIA_ERROR_MOUNT_POINT_UNKNOWN , RTEMS_MEDIA_ERROR_MOUNT_POINT_EXISTS , RTEMS_MEDIA_ERROR_MOUNT_POINT_ORPHAN }

Functions
Base
rtems_status_code	rtems_media_listener_add (rtems_media_listener listener, void *listener_arg)
	Adds the listener with argument listener_arg.
rtems_status_code	rtems_media_listener_remove (rtems_media_listener listener, void *listener_arg)
	Removes the listener with argument listener_arg.
rtems_status_code	rtems_media_post_event (rtems_media_event event, const char *src, char **dest, rtems_media_worker worker, void *worker_arg)
	Posts the event with source src.
Server
rtems_status_code	rtems_media_server_initialize (rtems_task_priority priority, size_t stack_size, rtems_mode modes, rtems_attribute attributes)
	Initializes the media manager and media server.
rtems_status_code	rtems_media_server_post_event (rtems_media_event event, const char *src, rtems_media_worker worker, void *worker_arg)
	Sends an event message to the media server.
Path Construction
char *	rtems_media_create_path (const char *prefix, const char *name, rtems_device_major_number major)
	Creates a new path as "prefix/name-major".
char *	rtems_media_replace_prefix (const char *new_prefix, const char *path)
	Replaces the prefix of the path with new_prefix.
char *	rtems_media_append_minor (const char *path, rtems_device_minor_number minor)
	Appends the minor number to the path resulting in "path-minor".
Support
rtems_status_code	rtems_media_get_device_identifier (const char *device_path, dev_t *device_identifier)
	Returns the device identifier for the device located at device_path in device_identifier.
const char *	rtems_media_event_description (rtems_media_event event)
const char *	rtems_media_state_description (rtems_media_state state)

Detailed Description

Media Manager API.