107 struct memory_buffer {  struct
117 	struct memory_buffer *(*alloc)(size_t size);  argument
118 	void (*free)(struct memory_buffer *ctx);
119 	void (*memcpy_to_device)(struct memory_buffer *dst, size_t off,
121 	void (*memcpy_from_device)(void *dst, struct memory_buffer *src,
140 static struct memory_buffer *udmabuf_alloc(size_t size)  in udmabuf_alloc()
143 	struct memory_buffer *ctx;  in udmabuf_alloc()
207 static void udmabuf_free(struct memory_buffer *ctx)  in udmabuf_free()
216 static void udmabuf_memcpy_to_device(struct memory_buffer *dst, size_t off,  in udmabuf_memcpy_to_device()
230 static void udmabuf_memcpy_from_device(void *dst, struct memory_buffer *src,  in udmabuf_memcpy_from_device()
829 static int do_server(struct memory_buffer *mem)  in do_server()
1069 	struct memory_buffer *mem;  in run_devmem_tests()
1251 static int do_client(struct memory_buffer *mem)  in do_client()
1403 	struct memory_buffer *mem;  in main()