CmOpenInstallerClassRegKey

__int64 __fastcall CmOpenInstallerClassRegKey(
        __int64 a1,
        const WCHAR *a2,
        __int64 a3,
        __int64 a4,
        int a5,
        char a6,
        __int64 a7,
        _DWORD *a8){
  return CmOpenCommonClassRegKey(a1, a2, 0x20u, 0, a5, a6, a7, a8);
}

Referenced by:

CmCreateInstallerClassWorker
CmDeleteInstallerClassMappedPropertyFromRegValue
CmGetDeviceSoftwareKey
CmGetInstallerClassCompoundFilters
CmGetInstallerClassMappedPropertyFromRegValue
CmGetInstallerClassRegPropWorker
CmSetInstallerClassMappedPropertyFromRegValue
CmSetInstallerClassRegPropWorker
PiCMOpenClassKey
PipCallDriverAddDevice
PnpDispatchInstallerClass
PpForEachDeviceInstanceDriver