... Intermediate drivers usually specify device types that represent the underlying device For example, the systemsupplied fault-tolerant disk driver, ftdisk, creates device objects of type FILE_DEVICE_DISK; ... system-defined constants for devices belonging to the system-defined device types If a type of hardware does not match any of the defined types, specify a value of either FILE_DEVICE_UNKNOWN, or a value ... not define new device types for the mirror sets, stripe sets, and volume sets it manages FILE_DEVICE_XXX values in the range of through 32767 are reserved for Microsoft All driver writers must...