// wdm.h
NTSTATUS IoAcquireKsrPersistentMemoryEx(
PDRIVER_OBJECT DriverObject,
PDEVICE_OBJECT PhysicalDeviceObject,
PUNICODE_STRING PhysicalDeviceId,
PUSHORT DataTag,
PULONG DataVersion,
PVOID Buffer,
PSIZE_T Size
);
View the official Windows Driver Kit DDI referenceNo description available.
Reserved for system use.
DriverObjectPhysicalDeviceObjectPhysicalDeviceIdDataTagDataVersionBufferSize