reactos/ntoskrnl/ex/power.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS kernel
   4  * FILE:            ntoskrnl/ex/power.c
   5  * PURPOSE:         Power managment
   6  * PROGRAMMER:      David Welch (welch@cwcom.net)
   7  * UPDATE HISTORY:
   8  *                  Created 22/05/98
   9  *                  Added reboot support 30/01/99
  10  */
  11
  12 /* INCLUDES *****************************************************************/
  13
  14 #include <ddk/ntddk.h>
  15 #include <roscfg.h>
  16 #include <internal/ps.h>
  17 #include <internal/io.h>
  18 #include <internal/mm.h>
  19 #include <internal/po.h>
  20
  21 #include <internal/debug.h>
  22
  23 /* FUNCTIONS *****************************************************************/
  24
  25 NTSTATUS STDCALL
  26 NtSetSystemPowerState(IN POWER_ACTION SystemAction,
  27                       IN SYSTEM_POWER_STATE MinSystemState,
  28                       IN ULONG Flags)
  29 {
  30   /* Windows 2000 only */
  31   return(STATUS_UNIMPLEMENTED);
  32 }
  33
  34 NTSTATUS STDCALL
  35 NtShutdownSystem(IN SHUTDOWN_ACTION Action)
  36 {
  37    if (Action > ShutdownPowerOff)
  38      return STATUS_INVALID_PARAMETER;
  39
  40    IoShutdownRegisteredDevices();
  41    CmShutdownRegistry();
  42    IoShutdownRegisteredFileSystems();
  43    PiShutdownProcessManager();
  44    MiShutdownMemoryManager();
  45
  46    if (Action == ShutdownNoReboot)
  47      {
  48 #if 0
  49         /* Switch off */
  50         HalReturnToFirmware (FIRMWARE_OFF);
  51 #else
  52         PopSetSystemPowerState(PowerSystemShutdown);
  53 #endif
  54      }
  55    else if (Action == ShutdownReboot)
  56      {
  57         HalReturnToFirmware (FIRMWARE_REBOOT);
  58      }
  59    else
  60      {
  61         HalReturnToFirmware (FIRMWARE_HALT);
  62      }
  63
  64    return STATUS_SUCCESS;
  65 }
  66
  67 /* EOF */
  68