1type block_device, dev_type; 2type console_device, dev_type; 3type device, dev_type, fs_type; 4type dm_device, dev_type; 5type dm_user_device, dev_type; 6type fuse_device, dev_type; 7type hw_random_device, dev_type; 8type kmsg_debug_device, dev_type; 9type kmsg_device, dev_type; 10type loop_control_device, dev_type; 11type loop_device, dev_type; 12type null_device, dev_type; 13type open_dice_device, dev_type; 14type owntty_device, dev_type; 15type properties_device, dev_type; 16type properties_serial, dev_type; 17type property_info, dev_type; 18type ptmx_device, dev_type; 19type ram_device, dev_type; 20type random_device, dev_type; 21type rtc_device, dev_type; 22type serial_device, dev_type; 23type log_device, dev_type; 24type socket_device, dev_type; 25type tty_device, dev_type; 26type vd_device, dev_type; 27type vsock_device, dev_type; 28type zero_device, dev_type; 29