59 	struct videobuf_buffer *vb;  in videobuf_alloc_vb()  local
61 	BUG_ON(q->msize < sizeof(*vb));  in videobuf_alloc_vb()
68 	vb = q->int_ops->alloc_vb(q->msize);  in videobuf_alloc_vb()
69 	if (NULL != vb) {  in videobuf_alloc_vb()
70 		init_waitqueue_head(&vb->done);  in videobuf_alloc_vb()
71 		vb->magic = MAGIC_BUFFER;  in videobuf_alloc_vb()
74 	return vb;  in videobuf_alloc_vb()
78 static int is_state_active_or_queued(struct videobuf_queue *q, struct videobuf_buffer *vb)  in is_state_active_or_queued()  argument
84 	rc = vb->state != VIDEOBUF_ACTIVE && vb->state != VIDEOBUF_QUEUED;  in is_state_active_or_queued()
89 int videobuf_waiton(struct videobuf_queue *q, struct videobuf_buffer *vb,  in videobuf_waiton()  argument
95 	MAGIC_CHECK(vb->magic, MAGIC_BUFFER);  in videobuf_waiton()
98 		if (is_state_active_or_queued(q, vb))  in videobuf_waiton()
110 		ret = wait_event_interruptible(vb->done, is_state_active_or_queued(q, vb));  in videobuf_waiton()
112 		wait_event(vb->done, is_state_active_or_queued(q, vb));  in videobuf_waiton()
121 int videobuf_iolock(struct videobuf_queue *q, struct videobuf_buffer *vb,  in videobuf_iolock()  argument
124 	MAGIC_CHECK(vb->magic, MAGIC_BUFFER);  in videobuf_iolock()
127 	return CALL(q, iolock, q, vb, fbuf);  in videobuf_iolock()
319 			    struct videobuf_buffer *vb, enum v4l2_buf_type type)  in videobuf_status()  argument
321 	MAGIC_CHECK(vb->magic, MAGIC_BUFFER);  in videobuf_status()
324 	b->index    = vb->i;  in videobuf_status()
327 	b->memory   = vb->memory;  in videobuf_status()
330 		b->m.offset  = vb->boff;  in videobuf_status()
331 		b->length    = vb->bsize;  in videobuf_status()
334 		b->m.userptr = vb->baddr;  in videobuf_status()
335 		b->length    = vb->bsize;  in videobuf_status()
338 		b->m.offset  = vb->boff;  in videobuf_status()
346 	if (vb->map)  in videobuf_status()
349 	switch (vb->state) {  in videobuf_status()
367 	b->field     = vb->field;  in videobuf_status()
368 	b->timestamp = vb->ts;  in videobuf_status()
369 	b->bytesused = vb->size;  in videobuf_status()
370 	b->sequence  = vb->field_count >> 1;  in videobuf_status()
676 			struct videobuf_buffer **vb, int nonblocking)  in stream_next_buffer()  argument
690 	*vb = buf;  in stream_next_buffer()