read_dev_id
r = read_dev_id(argv[1], &dev_id, 1);
r = read_dev_id(argv[1], &dev_id, 1);
r = read_dev_id(argv[2], &origin_dev_id, 1);
r = read_dev_id(argv[1], &dev_id, 1);
if (read_dev_id(argv[1], (unsigned long long *)&tc->dev_id, 0)) {