This value specifies the state of the Rebuild/Initialize/Verify
(RIV) engine of the Advanced Memory Protection sub-system.
The following states are supported:
other(1)
The system does not support Advanced Memory Protection or this
value cannot be determined,
inactive(2)
The RIV engine is idle.
rebuilding(3)
The RIV engine is rebuilding the XOR data.
initializing(4)
The RIV engine is initializing memory.
verifying(5)
The RIV engine is verifying memory integrity.