43 	const io_dev_info_t *dev = (io_dev_info_t *)dev_handle;  in is_valid_dev()  local
45 	return (dev != NULL) && (dev->funcs != NULL) &&  in is_valid_dev()
46 			(dev->funcs->type != NULL) &&  in is_valid_dev()
47 			(dev->funcs->type() < IO_TYPE_MAX);  in is_valid_dev()
177 	io_dev_info_t *dev = (io_dev_info_t *)dev_handle;  in io_dev_init()  local
180 	if (dev->funcs->dev_init != NULL) {  in io_dev_init()
181 		result = dev->funcs->dev_init(dev, init_params);  in io_dev_init()
194 	io_dev_info_t *dev = (io_dev_info_t *)dev_handle;  in io_dev_close()  local
197 	if (dev->funcs->dev_close != NULL) {  in io_dev_close()
198 		result = dev->funcs->dev_close(dev);  in io_dev_close()
215 	io_dev_info_t *dev = (io_dev_info_t *)dev_handle;  in io_open()  local
221 		assert(dev->funcs->open != NULL);  in io_open()
222 		result = dev->funcs->open(dev, spec, entity);  in io_open()
225 			entity->dev_handle = dev;  in io_open()
242 	io_dev_info_t *dev = entity->dev_handle;  in io_seek()  local
244 	if (dev->funcs->seek != NULL)  in io_seek()
245 		result = dev->funcs->seek(entity, mode, offset);  in io_seek()
259 	io_dev_info_t *dev = entity->dev_handle;  in io_size()  local
261 	if (dev->funcs->size != NULL)  in io_size()
262 		result = dev->funcs->size(entity, length);  in io_size()
279 	io_dev_info_t *dev = entity->dev_handle;  in io_read()  local
281 	if (dev->funcs->read != NULL)  in io_read()
282 		result = dev->funcs->read(entity, buffer, length, length_read);  in io_read()
299 	io_dev_info_t *dev = entity->dev_handle;  in io_write()  local
301 	if (dev->funcs->write != NULL) {  in io_write()
302 		result = dev->funcs->write(entity, buffer, length,  in io_write()
318 	io_dev_info_t *dev = entity->dev_handle;  in io_close()  local
321 	if (dev->funcs->close != NULL)  in io_close()
322 		result = dev->funcs->close(entity);  in io_close()