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Searched refs:reqbuf (Results 1 – 5 of 5) sorted by relevance

/linux/Documentation/userspace-api/media/v4l/
H A Dmmap.rst61 struct v4l2_requestbuffers reqbuf;
68 memset(&reqbuf, 0, sizeof(reqbuf));
69 reqbuf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
70 reqbuf.memory = V4L2_MEMORY_MMAP;
71 reqbuf.count = 20;
73 if (-1 == ioctl (fd, VIDIOC_REQBUFS, &reqbuf)) {
84 if (reqbuf.count < 5) {
90 buffers = calloc(reqbuf.count, sizeof(*buffers));
93 for (i = 0; i < reqbuf.count; i++) {
97 buffer.type = reqbuf.type;
[all …]
H A Ddmabuf.rst45 struct v4l2_requestbuffers reqbuf;
47 memset(&reqbuf, 0, sizeof (reqbuf));
48 reqbuf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
49 reqbuf.memory = V4L2_MEMORY_DMABUF;
50 reqbuf.count = 1;
52 if (ioctl(fd, VIDIOC_REQBUFS, &reqbuf) == -1) {
H A Duserp.rst35 struct v4l2_requestbuffers reqbuf;
37 memset (&reqbuf, 0, sizeof (reqbuf));
38 reqbuf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
39 reqbuf.memory = V4L2_MEMORY_USERPTR;
41 if (ioctl (fd, VIDIOC_REQBUFS, &reqbuf) == -1) {
/linux/drivers/crypto/ccp/
H A Dsev-dev-tio.c582 req_hdr = sla_to_dobj_req_hdr(dev_data->reqbuf); in sev_tio_do_cmd()
648 sla_buffer_unmap(dev_data->req, dev_data->reqbuf); in spdm_ctrl_free()
659 dev_data->reqbuf = NULL; in spdm_ctrl_free()
682 dev_data->reqbuf = sla_buffer_map(dev_data->req); in spdm_ctrl_alloc()
684 if (!dev_data->reqbuf || !dev_data->respbuf) { in spdm_ctrl_alloc()
689 spdm->req = sla_to_data(dev_data->reqbuf, SPDM_DOBJ_ID_REQ); in spdm_ctrl_alloc()
H A Dsev-dev-tio.h44 struct sla_buffer_hdr *reqbuf; /* vmap'ed @req for DOE */ member