PHYSICAL_ADDRESS
MmGetPhysicalAddress(
IN PVOID BaseAddress
);
MmGetPhysicalAddress returns the physical address corresponding to a valid virtual address.
MmGetPhysicalAddress returns the physical address that corresponds to the given virtual address.
Callers of MmGetPhysicalAddress can be running at any IRQL, provided that the BaseAddress value is valid.
MmIsAddressValid, MmIsNonPagedSystemAddressValid, MmMapIoSpace, MmProbeAndLockPages