36 #define dprintk(level, fmt, arg...)					      \  macro
53 	dprintk(2, "call_memop(%p, %d, %s)%s\n",			\
92 	dprintk(2, "call_qop(%p, %s)%s\n", q, #op,			\
115 	dprintk(2, "call_vb_qop(%p, %d, %s)%s\n",			\
235 		dprintk(3, "freed plane %d of buffer %d\n", plane,  in __vb2_buf_mem_free()
330 			dprintk(3, "buffer %d, plane %d offset 0x%08lx\n",  in __setup_offsets()
357 			dprintk(1, "memory alloc for buffer struct failed\n");  in __vb2_queue_alloc()
376 				dprintk(1, "failed allocating memory for "  in __vb2_queue_alloc()
388 				dprintk(1, "buffer %d %p initialization"  in __vb2_queue_alloc()
403 	dprintk(1, "allocated %d buffers, %d plane(s) each\n",  in __vb2_queue_alloc()
455 			dprintk(1, "preparing buffers, cannot free\n");  in __vb2_queue_free()
560 		dprintk(1, "multi-planar buffer passed but "  in __verify_planes_array()
566 		dprintk(1, "incorrect planes array length, "  in __verify_planes_array()
744 		dprintk(1, "wrong buffer type\n");  in vb2_querybuf()
749 		dprintk(1, "buffer index out of range\n");  in vb2_querybuf()
809 		dprintk(1, "unsupported memory type\n");  in __verify_memory_type()
814 		dprintk(1, "requested type is incorrect\n");  in __verify_memory_type()
823 		dprintk(1, "MMAP for current setup unsupported\n");  in __verify_memory_type()
828 		dprintk(1, "USERPTR for current setup unsupported\n");  in __verify_memory_type()
833 		dprintk(1, "DMABUF for current setup unsupported\n");  in __verify_memory_type()
843 		dprintk(1, "file io in progress\n");  in __verify_memory_type()
878 		dprintk(1, "streaming active\n");  in __reqbufs()
890 			dprintk(1, "memory in use, cannot free\n");  in __reqbufs()
934 		dprintk(1, "memory allocation failed\n");  in __reqbufs()
1022 		dprintk(1, "maximum number of buffers already allocated\n");  in __create_bufs()
1048 		dprintk(1, "memory allocation failed\n");  in __create_bufs()
1193 	dprintk(4, "done processing on buffer %d, state: %d\n",  in vb2_buffer_done()
1418 		dprintk(3, "userspace address for plane %d changed, "  in __qbuf_userptr()
1423 			dprintk(1, "provided buffer size %u is less than "  in __qbuf_userptr()
1448 			dprintk(1, "failed acquiring userspace "  in __qbuf_userptr()
1471 			dprintk(1, "buffer initialization failed\n");  in __qbuf_userptr()
1478 		dprintk(1, "buffer preparation failed\n");  in __qbuf_userptr()
1519 			dprintk(1, "invalid dmabuf fd for plane %d\n",  in __qbuf_dmabuf()
1530 			dprintk(1, "invalid dmabuf length for plane %d\n",  in __qbuf_dmabuf()
1543 		dprintk(1, "buffer for plane %d changed\n", plane);  in __qbuf_dmabuf()
1558 			dprintk(1, "failed to attach dmabuf\n");  in __qbuf_dmabuf()
1575 			dprintk(1, "failed to map dmabuf for plane %d\n",  in __qbuf_dmabuf()
1596 			dprintk(1, "buffer initialization failed\n");  in __qbuf_dmabuf()
1603 		dprintk(1, "buffer preparation failed\n");  in __qbuf_dmabuf()
1641 		dprintk(1, "plane parameters verification failed: %d\n", ret);  in __buf_prepare()
1654 		dprintk(1, "the field is incorrectly set to ALTERNATE for an output buffer\n");  in __buf_prepare()
1659 		dprintk(1, "fatal error occurred on queue\n");  in __buf_prepare()
1686 		dprintk(1, "buffer preparation failed: %d\n", ret);  in __buf_prepare()
1696 		dprintk(1, "%s: invalid buffer type\n", opname);  in vb2_queue_or_prepare_buf()
1701 		dprintk(1, "%s: buffer index out of range\n", opname);  in vb2_queue_or_prepare_buf()
1707 		dprintk(1, "%s: buffer is NULL\n", opname);  in vb2_queue_or_prepare_buf()
1712 		dprintk(1, "%s: invalid memory type\n", opname);  in vb2_queue_or_prepare_buf()
1740 		dprintk(1, "file io in progress\n");  in vb2_prepare_buf()
1750 		dprintk(1, "invalid buffer state %d\n",  in vb2_prepare_buf()
1760 		dprintk(1, "prepare of buffer %d succeeded\n", vb->v4l2_buf.index);  in vb2_prepare_buf()
1798 	dprintk(1, "driver refused to start streaming\n");  in vb2_start_streaming()
1848 		dprintk(1, "buffer still being prepared\n");  in vb2_internal_qbuf()
1851 		dprintk(1, "invalid buffer state %d\n", vb->state);  in vb2_internal_qbuf()
1899 	dprintk(1, "qbuf of buffer %d succeeded\n", vb->v4l2_buf.index);  in vb2_internal_qbuf()
1923 		dprintk(1, "file io in progress\n");  in vb2_qbuf()
1952 			dprintk(1, "streaming off, will not wait for buffers\n");  in __vb2_wait_for_done_vb()
1957 			dprintk(1, "Queue in error state, will not wait for buffers\n");  in __vb2_wait_for_done_vb()
1969 			dprintk(1, "nonblocking and no buffers to dequeue, "  in __vb2_wait_for_done_vb()
1984 		dprintk(3, "will sleep waiting for buffers\n");  in __vb2_wait_for_done_vb()
1995 			dprintk(1, "sleep was interrupted\n");  in __vb2_wait_for_done_vb()
2050 		dprintk(1, "streaming off, will not wait for buffers\n");  in vb2_wait_for_all_buffers()
2090 		dprintk(1, "invalid buffer type\n");  in vb2_internal_dqbuf()
2099 		dprintk(3, "returning done buffer\n");  in vb2_internal_dqbuf()
2102 		dprintk(3, "returning done buffer with errors\n");  in vb2_internal_dqbuf()
2105 		dprintk(1, "invalid buffer state\n");  in vb2_internal_dqbuf()
2119 	dprintk(1, "dqbuf of buffer %d, with state %d\n",  in vb2_internal_dqbuf()
2149 		dprintk(1, "file io in progress\n");  in vb2_dqbuf()
2229 		dprintk(1, "invalid stream type\n");  in vb2_internal_streamon()
2234 		dprintk(3, "already streaming\n");  in vb2_internal_streamon()
2239 		dprintk(1, "no buffers have been allocated\n");  in vb2_internal_streamon()
2244 		dprintk(1, "need at least %u allocated buffers\n",  in vb2_internal_streamon()
2263 	dprintk(3, "successful\n");  in vb2_internal_streamon()
2304 		dprintk(1, "file io in progress\n");  in vb2_streamon()
2314 		dprintk(1, "invalid stream type\n");  in vb2_internal_streamoff()
2330 	dprintk(3, "successful\n");  in vb2_internal_streamoff()
2352 		dprintk(1, "file io in progress\n");  in vb2_streamoff()
2405 		dprintk(1, "queue is not currently set up for mmap\n");  in vb2_expbuf()
2410 		dprintk(1, "queue does not support DMA buffer exporting\n");  in vb2_expbuf()
2415 		dprintk(1, "queue does support only O_CLOEXEC and access mode flags\n");  in vb2_expbuf()
2420 		dprintk(1, "invalid buffer type\n");  in vb2_expbuf()
2425 		dprintk(1, "buffer index out of range\n");  in vb2_expbuf()
2432 		dprintk(1, "buffer plane out of range\n");  in vb2_expbuf()
2437 		dprintk(1, "expbuf: file io in progress\n");  in vb2_expbuf()
2445 		dprintk(1, "failed to export buffer %d, plane %d\n",  in vb2_expbuf()
2452 		dprintk(3, "buffer %d, plane %d failed to export (%d)\n",  in vb2_expbuf()
2458 	dprintk(3, "buffer %d, plane %d exported as %d descriptor\n",  in vb2_expbuf()
2494 		dprintk(1, "queue is not currently set up for mmap\n");  in vb2_mmap()
2502 		dprintk(1, "invalid vma flags, VM_SHARED needed\n");  in vb2_mmap()
2507 			dprintk(1, "invalid vma flags, VM_WRITE needed\n");  in vb2_mmap()
2512 			dprintk(1, "invalid vma flags, VM_READ needed\n");  in vb2_mmap()
2517 		dprintk(1, "mmap: file io in progress\n");  in vb2_mmap()
2537 		dprintk(1,  in vb2_mmap()
2548 	dprintk(3, "buffer %d, plane %d successfully mapped\n", buffer, plane);  in vb2_mmap()
2567 		dprintk(1, "queue is not currently set up for mmap\n");  in vb2_get_unmapped_area()
2842 	dprintk(3, "setting up file io: mode %s, count %d, read_once %d, write_immediately %d\n",  in __vb2_init_fileio()
2953 		dprintk(3, "file io emulator closed\n");  in __vb2_cleanup_fileio()
2983 	dprintk(3, "mode %s, offset %ld, count %zd, %sblocking\n",  in __vb2_perform_fileio()
2995 		dprintk(3, "vb2_init_fileio result: %d\n", ret);  in __vb2_perform_fileio()
3018 		dprintk(5, "vb2_dqbuf result: %d\n", ret);  in __vb2_perform_fileio()
3048 		dprintk(5, "reducing read count: %zd\n", count);  in __vb2_perform_fileio()
3054 	dprintk(3, "copying %zd bytes - buffer %d, offset %u\n",  in __vb2_perform_fileio()
3061 		dprintk(3, "error copying data\n");  in __vb2_perform_fileio()
3079 			dprintk(3, "read limit reached\n");  in __vb2_perform_fileio()
3100 		dprintk(5, "vb2_dbuf result: %d\n", ret);  in __vb2_perform_fileio()
3193 			dprintk(5, "file io: vb2_dqbuf result: %d\n", ret);  in vb2_thread()
3246 	dprintk(3, "file io: vb2_init_fileio result: %d\n", ret);  in vb2_thread_start()