ZwPowerInformation

NTSTATUS __stdcall ZwPowerInformation(
        POWER_INFORMATION_LEVEL InformationLevel,
        VOID *InputBuffer,
        UINT64 InputBufferLength,
        VOID *OutputBuffer,
        UINT64 OutputBufferLength){
  NTSTATUS result; 

  _disable();
  __readeflags();
  KiServiceInternal();
  return result;
}

Referenced by:

HaliAcpiMachineStateInit
HalpSetShutdownResetHandler
PdcPortOpenCommon
PoGetLightestSystemStateForEject
PopArmIdlePhaseWatchdog
PopCreateIdlePhaseWatchdog
PopDisarmIdlePhaseWatchdog
PopInvokeWin32Callout
PspRecordCrashedProcessIntoBlackbox
RtlCheckSystemBootStatusIntegrity
RtlRestoreSystemBootStatusDefaults
RtlpRecordBootStatusData
RtlpSystemBootStatusRequest