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| author |   Tomasz Stanislawski <t.stanislaws@samsung.com> | 2012-06-14 11:32:23 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-11-25 17:20:47 -0200 |
| commit | b799d09a157da71566e8013a62073435550cab6d (patch) | |
| tree | 54222407a12429a93ca5c2bff69c7b96bea493f0 /include/media | |
| parent | [media] v4l: vb2-dma-contig: let mmap method to use dma_mmap_coherent call (diff) | |
| download | linux-dev-b799d09a157da71566e8013a62073435550cab6d.tar.xz linux-dev-b799d09a157da71566e8013a62073435550cab6d.zip | |
[media] v4l: add buffer exporting via dmabuf
This patch adds extension to V4L2 api. A new ioctl VIDIOC_EXPBUF is added. The
ioctl is used to export an mmap buffer as a DMABUF file descriptor.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-ioctl.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index e48b571ca37d..4118ad1324c9 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -111,6 +111,8 @@ struct v4l2_ioctl_ops { int (*vidioc_reqbufs) (struct file *file, void *fh, struct v4l2_requestbuffers *b); int (*vidioc_querybuf)(struct file *file, void *fh, struct v4l2_buffer *b); int (*vidioc_qbuf) (struct file *file, void *fh, struct v4l2_buffer *b); + int (*vidioc_expbuf) (struct file *file, void *fh, + struct v4l2_exportbuffer *e); int (*vidioc_dqbuf) (struct file *file, void *fh, struct v4l2_buffer *b); int (*vidioc_create_bufs)(struct file *file, void *fh, struct v4l2_create_buffers *b); |