56 static int __verify_planes_array(struct vb2_buffer *vb, const struct v4l2_buffer *b)  in __verify_planes_array()  argument
58 	if (!V4L2_TYPE_IS_MULTIPLANAR(b->type))  in __verify_planes_array()
62 	if (b->m.planes == NULL) {  in __verify_planes_array()
67 	if (b->length < vb->num_planes || b->length > VB2_MAX_PLANES) {  in __verify_planes_array()
69 			vb->num_planes, b->length);  in __verify_planes_array()
85 static int __verify_length(struct vb2_buffer *vb, const struct v4l2_buffer *b)  in __verify_length()  argument
91 	if (!V4L2_TYPE_IS_OUTPUT(b->type))  in __verify_length()
94 	if (V4L2_TYPE_IS_MULTIPLANAR(b->type)) {  in __verify_length()
96 			length = (b->memory == VB2_MEMORY_USERPTR ||  in __verify_length()
97 				  b->memory == VB2_MEMORY_DMABUF)  in __verify_length()
98 			       ? b->m.planes[plane].length  in __verify_length()
100 			bytesused = b->m.planes[plane].bytesused  in __verify_length()
101 				  ? b->m.planes[plane].bytesused : length;  in __verify_length()
103 			if (b->m.planes[plane].bytesused > length)  in __verify_length()
106 			if (b->m.planes[plane].data_offset > 0 &&  in __verify_length()
107 			    b->m.planes[plane].data_offset >= bytesused)  in __verify_length()
111 		length = (b->memory == VB2_MEMORY_USERPTR)  in __verify_length()
112 			? b->length : vb->planes[0].length;  in __verify_length()
114 		if (b->bytesused > length)  in __verify_length()
123 	const struct v4l2_buffer *b = pb;  in __copy_timestamp()  local
133 			vb->timestamp = timeval_to_ns(&b->timestamp);  in __copy_timestamp()
134 		vbuf->flags |= b->flags & V4L2_BUF_FLAG_TIMECODE;  in __copy_timestamp()
135 		if (b->flags & V4L2_BUF_FLAG_TIMECODE)  in __copy_timestamp()
136 			vbuf->timecode = b->timecode;  in __copy_timestamp()
156 static int vb2_queue_or_prepare_buf(struct vb2_queue *q, struct v4l2_buffer *b,  in vb2_queue_or_prepare_buf()  argument
159 	if (b->type != q->type) {  in vb2_queue_or_prepare_buf()
164 	if (b->index >= q->num_buffers) {  in vb2_queue_or_prepare_buf()
169 	if (q->bufs[b->index] == NULL) {  in vb2_queue_or_prepare_buf()
175 	if (b->memory != q->memory) {  in vb2_queue_or_prepare_buf()
180 	return __verify_planes_array(q->bufs[b->index], b);  in vb2_queue_or_prepare_buf()
189 	struct v4l2_buffer *b = pb;  in __fill_v4l2_buffer()  local
195 	b->index = vb->index;  in __fill_v4l2_buffer()
196 	b->type = vb->type;  in __fill_v4l2_buffer()
197 	b->memory = vb->memory;  in __fill_v4l2_buffer()
198 	b->bytesused = 0;  in __fill_v4l2_buffer()
200 	b->flags = vbuf->flags;  in __fill_v4l2_buffer()
201 	b->field = vbuf->field;  in __fill_v4l2_buffer()
202 	b->timestamp = ns_to_timeval(vb->timestamp);  in __fill_v4l2_buffer()
203 	b->timecode = vbuf->timecode;  in __fill_v4l2_buffer()
204 	b->sequence = vbuf->sequence;  in __fill_v4l2_buffer()
205 	b->reserved2 = 0;  in __fill_v4l2_buffer()
206 	b->reserved = 0;  in __fill_v4l2_buffer()
213 		b->length = vb->num_planes;  in __fill_v4l2_buffer()
215 			struct v4l2_plane *pdst = &b->m.planes[plane];  in __fill_v4l2_buffer()
234 		b->length = vb->planes[0].length;  in __fill_v4l2_buffer()
235 		b->bytesused = vb->planes[0].bytesused;  in __fill_v4l2_buffer()
237 			b->m.offset = vb->planes[0].m.offset;  in __fill_v4l2_buffer()
239 			b->m.userptr = vb->planes[0].m.userptr;  in __fill_v4l2_buffer()
241 			b->m.fd = vb->planes[0].m.fd;  in __fill_v4l2_buffer()
247 	b->flags &= ~V4L2_BUFFER_MASK_FLAGS;  in __fill_v4l2_buffer()
248 	b->flags |= q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK;  in __fill_v4l2_buffer()
254 		b->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;  in __fill_v4l2_buffer()
255 		b->flags |= q->timestamp_flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;  in __fill_v4l2_buffer()
261 		b->flags |= V4L2_BUF_FLAG_QUEUED;  in __fill_v4l2_buffer()
264 		b->flags |= V4L2_BUF_FLAG_ERROR;  in __fill_v4l2_buffer()
267 		b->flags |= V4L2_BUF_FLAG_DONE;  in __fill_v4l2_buffer()
270 		b->flags |= V4L2_BUF_FLAG_PREPARED;  in __fill_v4l2_buffer()
280 		b->flags |= V4L2_BUF_FLAG_MAPPED;  in __fill_v4l2_buffer()
283 		b->flags & V4L2_BUF_FLAG_DONE &&  in __fill_v4l2_buffer()
284 		b->flags & V4L2_BUF_FLAG_LAST)  in __fill_v4l2_buffer()
297 	const struct v4l2_buffer *b = pb;  in __fill_vb2_buffer()  local
302 	ret = __verify_length(vb, b);  in __fill_vb2_buffer()
307 	if (b->field == V4L2_FIELD_ALTERNATE && q->is_output) {  in __fill_vb2_buffer()
323 	if (V4L2_TYPE_IS_MULTIPLANAR(b->type)) {  in __fill_vb2_buffer()
324 		if (b->memory == VB2_MEMORY_USERPTR) {  in __fill_vb2_buffer()
327 					b->m.planes[plane].m.userptr;  in __fill_vb2_buffer()
329 					b->m.planes[plane].length;  in __fill_vb2_buffer()
332 		if (b->memory == VB2_MEMORY_DMABUF) {  in __fill_vb2_buffer()
335 					b->m.planes[plane].m.fd;  in __fill_vb2_buffer()
337 					b->m.planes[plane].length;  in __fill_vb2_buffer()
342 		if (V4L2_TYPE_IS_OUTPUT(b->type)) {  in __fill_vb2_buffer()
361 				struct v4l2_plane *psrc = &b->m.planes[plane];  in __fill_vb2_buffer()
389 		if (b->memory == VB2_MEMORY_USERPTR) {  in __fill_vb2_buffer()
390 			planes[0].m.userptr = b->m.userptr;  in __fill_vb2_buffer()
391 			planes[0].length = b->length;  in __fill_vb2_buffer()
394 		if (b->memory == VB2_MEMORY_DMABUF) {  in __fill_vb2_buffer()
395 			planes[0].m.fd = b->m.fd;  in __fill_vb2_buffer()
396 			planes[0].length = b->length;  in __fill_vb2_buffer()
399 		if (V4L2_TYPE_IS_OUTPUT(b->type)) {  in __fill_vb2_buffer()
400 			if (b->bytesused == 0)  in __fill_vb2_buffer()
404 				planes[0].bytesused = b->bytesused;  in __fill_vb2_buffer()
406 				planes[0].bytesused = b->bytesused ?  in __fill_vb2_buffer()
407 					b->bytesused : planes[0].length;  in __fill_vb2_buffer()
414 	vbuf->flags = b->flags & ~V4L2_BUFFER_MASK_FLAGS;  in __fill_vb2_buffer()
415 	if (!vb->vb2_queue->copy_timestamp || !V4L2_TYPE_IS_OUTPUT(b->type)) {  in __fill_vb2_buffer()
424 	if (V4L2_TYPE_IS_OUTPUT(b->type)) {  in __fill_vb2_buffer()
432 		vbuf->field = b->field;  in __fill_vb2_buffer()
463 int vb2_querybuf(struct vb2_queue *q, struct v4l2_buffer *b)  in vb2_querybuf()  argument
468 	if (b->type != q->type) {  in vb2_querybuf()
473 	if (b->index >= q->num_buffers) {  in vb2_querybuf()
477 	vb = q->bufs[b->index];  in vb2_querybuf()
478 	ret = __verify_planes_array(vb, b);  in vb2_querybuf()
480 		vb2_core_querybuf(q, b->index, b);  in vb2_querybuf()
493 int vb2_prepare_buf(struct vb2_queue *q, struct v4l2_buffer *b)  in vb2_prepare_buf()  argument
502 	ret = vb2_queue_or_prepare_buf(q, b, "prepare_buf");  in vb2_prepare_buf()
504 	return ret ? ret : vb2_core_prepare_buf(q, b->index, b);  in vb2_prepare_buf()
562 int vb2_qbuf(struct vb2_queue *q, struct v4l2_buffer *b)  in vb2_qbuf()  argument
571 	ret = vb2_queue_or_prepare_buf(q, b, "qbuf");  in vb2_qbuf()
572 	return ret ? ret : vb2_core_qbuf(q, b->index, b);  in vb2_qbuf()
576 int vb2_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, bool nonblocking)  in vb2_dqbuf()  argument
585 	if (b->type != q->type) {  in vb2_dqbuf()
590 	ret = vb2_core_dqbuf(q, NULL, b, nonblocking);  in vb2_dqbuf()
596 	b->flags &= ~V4L2_BUF_FLAG_DONE;  in vb2_dqbuf()