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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2018-05-21 04:54:26 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-08-31 11:04:23 -0400 |
| commit | 66431c0bab0fb8bdd62930575869bea98eb2baf0 (patch) | |
| tree | 7459099b49b39f633ca4b0c4c91bc61df0770cad | |
| parent | cbb6a7f52b148dea0fed434b629aedddf7804d14 (diff) | |
| download | linux-66431c0bab0fb8bdd62930575869bea98eb2baf0.tar.gz linux-66431c0bab0fb8bdd62930575869bea98eb2baf0.tar.bz2 linux-66431c0bab0fb8bdd62930575869bea98eb2baf0.zip | |
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: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
| -rw-r--r-- | include/uapi/linux/media.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h index 36f76e777ef9..e5d0c5c611b5 100644 --- a/include/uapi/linux/media.h +++ b/include/uapi/linux/media.h @@ -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__ |