IommupHvUnmapDeviceIdentityRange

INT64 __fastcall IommupHvUnmapDeviceIdentityRange(INT64 a1){
  __int64 v2; 
  v2 = 0i64;
  if( *(_BYTE *)(a1 + 40) )
    return 3221225485i64;
  LODWORD(v2) = *(_DWORD *)(a1 + 32);
  BYTE4(v2) = 0;
  return((__int64(__fastcall *)(__int64 *))qword_140C4A2E8)(&v2);
}

Referenced by:

IommuMapIdentityRange
IommuUnmapIdentityRange