74 	struct video_buf *vb;  in video_pool_alloc()  local
122 		vb = &pool->bufs[i];  in video_pool_alloc()
123 		vb->pool = pool;  in video_pool_alloc()
124 		vb->index = i;  in video_pool_alloc()
125 		vb->state = VB_IDLE;  in video_pool_alloc()
126 		vb->length = buf_size;  in video_pool_alloc()
127 		vb->buf = (uint8_t *)kva + (size_t)i * buf_size;  in video_pool_alloc()
256 	struct video_buf *vb;  in video_buf_acquire()  local
259 	vb = STAILQ_FIRST(&vd->queued);  in video_buf_acquire()
260 	if (vb != NULL) {  in video_buf_acquire()
262 		vb->state = VB_ACTIVE;  in video_buf_acquire()
263 		vb->bytesused = 0;  in video_buf_acquire()
266 	return (vb);  in video_buf_acquire()
270 video_buf_write(struct video_buf *vb, size_t offset, const void *src,  in video_buf_write()  argument
274 	if (offset > vb->length || len > vb->length - offset)  in video_buf_write()
277 	memcpy((uint8_t *)vb->buf + offset, src, len);  in video_buf_write()
282 video_buf_done(struct video_buf *vb, size_t bytesused, uint32_t sequence)  in video_buf_done()  argument
287 	overrun = bytesused > vb->length;  in video_buf_done()
291 	vd = vb->vd;  in video_buf_done()
293 	if (vb->state != VB_ACTIVE) {  in video_buf_done()
297 	vb->bytesused = bytesused;  in video_buf_done()
298 	vb->sequence = sequence;  in video_buf_done()
299 	getmicrouptime(&vb->timestamp);  in video_buf_done()
300 	vb->flags = V4L2_BUF_FLAG_DONE | V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;  in video_buf_done()
302 		vb->flags |= V4L2_BUF_FLAG_ERROR;  in video_buf_done()
303 	vb->state = VB_DONE;  in video_buf_done()
304 	STAILQ_INSERT_TAIL(&vd->done, vb, entry);  in video_buf_done()
311 video_buf_error(struct video_buf *vb)  in video_buf_error()  argument
313 	struct video_device *vd = vb->vd;  in video_buf_error()
316 	if (vb->state != VB_ACTIVE) {  in video_buf_error()
320 	vb->bytesused = 0;  in video_buf_error()
321 	vb->flags = V4L2_BUF_FLAG_ERROR;  in video_buf_error()
322 	getmicrouptime(&vb->timestamp);  in video_buf_error()
323 	vb->state = VB_ERROR;  in video_buf_error()
324 	STAILQ_INSERT_TAIL(&vd->done, vb, entry);  in video_buf_error()
534 	struct video_buf *vb;  in video_querybuf()  local
549 	vb = &vd->pool->bufs[b->index];  in video_querybuf()
551 	b->length = vb->length;  in video_querybuf()
552 	b->m.offset = vb->index * vd->pool->buf_size;  in video_querybuf()
553 	b->bytesused = vb->bytesused;  in video_querybuf()
555 	b->timestamp = vb->timestamp;  in video_querybuf()
556 	b->sequence = vb->sequence;  in video_querybuf()
559 	switch (vb->state) {  in video_querybuf()
582 	struct video_buf *vb;  in video_qbuf()  local
600 	vb = &vd->pool->bufs[b->index];  in video_qbuf()
601 	if (vb->state != VB_IDLE) {  in video_qbuf()
606 	vb->state = VB_QUEUED;  in video_qbuf()
607 	vb->bytesused = 0;  in video_qbuf()
608 	vb->vd = vd;  in video_qbuf()
609 	STAILQ_INSERT_TAIL(&vd->queued, vb, entry);  in video_qbuf()
620 	struct video_buf *vb;  in video_dqbuf()  local
649 	vb = STAILQ_FIRST(&vd->done);  in video_dqbuf()
652 	b->index = vb->index;  in video_dqbuf()
653 	b->bytesused = vb->bytesused;  in video_dqbuf()
655 	b->timestamp = vb->timestamp;  in video_dqbuf()
656 	b->sequence = vb->sequence;  in video_dqbuf()
658 	b->m.offset = vb->index * vd->pool->buf_size;  in video_dqbuf()
659 	b->length = vb->length;  in video_dqbuf()
662 	if (vb->flags & V4L2_BUF_FLAG_ERROR)  in video_dqbuf()
665 	vb->state = VB_IDLE;  in video_dqbuf()
711 	struct video_buf *vb;  in video_streamoff()  local
740 		vb = &vd->pool->bufs[i];  in video_streamoff()
741 		vb->state = VB_IDLE;  in video_streamoff()
742 		vb->bytesused = 0;  in video_streamoff()
743 		vb->vd = NULL;  in video_streamoff()
1008 	struct video_buf *vb;  in video_read()  local
1071 			vb = &vd->pool->bufs[i];  in video_read()
1072 			vb->state = VB_QUEUED;  in video_read()
1073 			vb->vd = vd;  in video_read()
1074 			STAILQ_INSERT_TAIL(&vd->queued, vb, entry);  in video_read()
1117 	vb = vf->read_buf;  in video_read()
1118 	bytesused = vb->bytesused;  in video_read()
1123 		src = (uint8_t *)vb->buf + offset;  in video_read()
1138 	if (vf->read_buf == vb) {  in video_read()
1143 			vb->state = VB_QUEUED;  in video_read()
1144 			vb->bytesused = 0;  in video_read()
1145 			STAILQ_INSERT_TAIL(&vd->queued, vb, entry);  in video_read()