// wdm.h
NTSTATUS IoMapKsrPersistentMemoryEx(
PDRIVER_OBJECT DriverObject,
PDEVICE_OBJECT PhysicalDeviceObject,
PUNICODE_STRING PhysicalDeviceId,
PUSHORT DataTag,
PULONG DataVersion,
PVOID *DataHandle
);
View the official Windows Driver Kit DDI referenceNo description available.
Reserved for system use.
DriverObjectPhysicalDeviceObjectPhysicalDeviceIdDataTagDataVersionDataHandle