From: Hans Verkuil <hans.verk...@cisco.com> 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: Hans Verkuil <hans.verk...@cisco.com> --- include/uapi/linux/media.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h index c7e9a5cba24e..32883d4d22b2 100644 --- a/include/uapi/linux/media.h +++ b/include/uapi/linux/media.h @@ -342,11 +342,23 @@ struct media_v2_topology { /* ioctls */ +struct __attribute__ ((packed)) media_request_alloc { + __s32 fd; +}; + #define MEDIA_IOC_DEVICE_INFO _IOWR('|', 0x00, struct media_device_info) #define MEDIA_IOC_ENUM_ENTITIES _IOWR('|', 0x01, struct media_entity_desc) #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 _IOWR('|', 0x05, struct media_request_alloc) + +/* + * These ioctls are called from 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) #if !defined(__KERNEL__) || defined(__NEED_MEDIA_LEGACY_API) -- 2.17.0