CmOpenInterfaceClassRegKey

__int64 __fastcall CmOpenInterfaceClassRegKey(
        __int64 a1,
        const WCHAR *a2,
        __int64 a3,
        __int64 a4,
        int a5,
        char a6,
        __int64 a7,
        _DWORD *a8){
  return CmOpenCommonClassRegKey(a1, a2, 0x40u, 0, a5, a6, a7, a8);
}

Referenced by:

CmCreateInterfaceClassWorker
CmDeleteInterfaceClassMappedPropertyFromRegValue
CmGetInterfaceClassMappedPropertyFromRegValue
CmSetInterfaceClassMappedPropertyFromRegValue
IopGetDeviceInterfaces
PiCMOpenClassKey
PnpDispatchInterfaceClass