Commit 66431c0b authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

media: uapi/linux/media.h: add request API 



Define the public request API.

This adds the new MEDIA_IOC_REQUEST_ALLOC ioctl to allocate a request
and two ioctls that operate on a request in order to queue the
contents of the request to the driver and to re-initialize the
request.

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Acked-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent cbb6a7f5

include/uapi/linux/media.h

+8 −0
Original line number Diff line number Diff line
@@ -369,6 +369,14 @@ struct media_v2_topology { 
#define MEDIA_IOC_ENUM_LINKS	_IOWR('|', 0x02, struct media_links_enum)

#define MEDIA_IOC_SETUP_LINK	_IOWR('|', 0x03, struct media_link_desc)

#define MEDIA_IOC_G_TOPOLOGY	_IOWR('|', 0x04, struct media_v2_topology)

#define MEDIA_IOC_REQUEST_ALLOC	_IOR ('|', 0x05, int)



/*

 * These ioctls are called on the request file descriptor as returned

 * by MEDIA_IOC_REQUEST_ALLOC.

 */

#define MEDIA_REQUEST_IOC_QUEUE		_IO('|',  0x80)

#define MEDIA_REQUEST_IOC_REINIT	_IO('|',  0x81)



#ifndef __KERNEL__