diff options
Diffstat (limited to 'include/media/videobuf2-core.h')
| -rw-r--r-- | include/media/videobuf2-core.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index 1dafac05ce1..0d71fc5efc4 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -18,6 +18,7 @@ #include <linux/videodev2.h> struct vb2_alloc_ctx; +struct vb2_fileio_data; /** * struct vb2_mem_ops - memory handling/memory allocator operations @@ -54,6 +55,7 @@ struct vb2_alloc_ctx; * * Required ops for USERPTR types: get_userptr, put_userptr. * Required ops for MMAP types: alloc, put, num_users, mmap. + * Required ops for read/write access types: alloc, put, num_users, vaddr */ struct vb2_mem_ops { void *(*alloc)(void *alloc_ctx, unsigned long size); @@ -249,6 +251,7 @@ struct vb2_ops { * @done_wq: waitqueue for processes waiting for buffers ready to be dequeued * @alloc_ctx: memory type/allocator-specific contexts for each plane * @streaming: current streaming state + * @fileio: file io emulator internal data, used only if emulator is active */ struct vb2_queue { enum v4l2_buf_type type; @@ -275,6 +278,8 @@ struct vb2_queue { void *alloc_ctx[VIDEO_MAX_PLANES]; unsigned int streaming:1; + + struct vb2_fileio_data *fileio; }; void *vb2_plane_vaddr(struct vb2_buffer *vb, unsigned int plane_no); @@ -298,6 +303,10 @@ int vb2_streamoff(struct vb2_queue *q, enum v4l2_buf_type type); int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma); unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait); +size_t vb2_read(struct vb2_queue *q, char __user *data, size_t count, + loff_t *ppos, int nonblock); +size_t vb2_write(struct vb2_queue *q, char __user *data, size_t count, + loff_t *ppos, int nonblock); /** * vb2_is_streaming() - return streaming status of the queue |