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>
Acked-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
---
include/uapi/linux/media.h | 8 ++++++++
1 file changed, 8 insertions(+)
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__
--
2.18.0
