UINT64 EFI_DRIVER_HEALTH_HII_MESSAGE::MessageCode |
64-bit numeric value of the warning/error specified by this message. A value of 0x0000000000000000 is used to indicate that MessageCode is not specified. The values 0x0000000000000001 to 0x0fffffffffffffff are reserved for allocation by the UEFI Specification. The values 0x1000000000000000 to 0x1fffffffffffffff are reserved for IHV-developed drivers. The values 0x8000000000000000 to 0x8fffffffffffffff is reserved for platform/OEM drivers. All other values are reserved and should not be used.