DMI_PRODUCT_UUID
ADD_DMI_ATTR(product_uuid, DMI_PRODUCT_UUID);
DEFINE_DMI_ATTR_WITH_SHOW(product_uuid, 0400, DMI_PRODUCT_UUID);
dmi_save_uuid(dm, DMI_PRODUCT_UUID, 8);
uuid = dmi_get_system_info(DMI_PRODUCT_UUID);
sys_info = dmi_get_system_info(DMI_PRODUCT_UUID);