82 static bool is_user_buffer_correctly_preallocated(void const *user_buffer, size_t user_length,  in is_user_buffer_correctly_preallocated()  argument
85 	uintptr_t addr = (uintptr_t)user_buffer;  in is_user_buffer_correctly_preallocated()
125 int dmm_buffer_out_prepare(void *region, void const *user_buffer, size_t user_length,  in dmm_buffer_out_prepare()  argument
132 		*buffer_out = (void *)user_buffer;  in dmm_buffer_out_prepare()
147 	if (is_user_buffer_correctly_preallocated(user_buffer, user_length, dh->region)) {  in dmm_buffer_out_prepare()
149 		*buffer_out = (void *)user_buffer;  in dmm_buffer_out_prepare()
161 		memcpy(*buffer_out, user_buffer, user_length);  in dmm_buffer_out_prepare()
199 int dmm_buffer_in_prepare(void *region, void *user_buffer, size_t user_length, void **buffer_in)  in dmm_buffer_in_prepare()  argument
205 		*buffer_in = (void *)user_buffer;  in dmm_buffer_in_prepare()
220 	if (is_user_buffer_correctly_preallocated(user_buffer, user_length, dh->region)) {  in dmm_buffer_in_prepare()
222 		*buffer_in = user_buffer;  in dmm_buffer_in_prepare()
246 int dmm_buffer_in_release(void *region, void *user_buffer, size_t user_length, void *buffer_in)  in dmm_buffer_in_release()  argument
269 	if (buffer_in != user_buffer) {  in dmm_buffer_in_release()
270 		memcpy(user_buffer, buffer_in, user_length);  in dmm_buffer_in_release()