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/*
* ntpoapi.h
*
* APIs for power management.
*
* This file is part of the w32api package.
*
* Contributors:
* Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAIMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __NTPOAPI_H
#define __NTPOAPI_H
#if __GNUC__ >=3
#pragma GCC system_header
#endif
#ifdef __cplusplus
extern "C" {
#endif
#include "ntddk.h"
#include "batclass.h"
#define POWER_PERF_SCALE 100
#define PERF_LEVEL_TO_PERCENT(x) (((x) * 1000) / (POWER_PERF_SCALE * 10))
#define PERCENT_TO_PERF_LEVEL(x) (((x) * POWER_PERF_SCALE * 10) / 1000)
typedef struct _PROCESSOR_IDLE_TIMES {
ULONGLONG StartTime;
ULONGLONG EndTime;
ULONG IdleHandlerReserved[4];
} PROCESSOR_IDLE_TIMES, *PPROCESSOR_IDLE_TIMES;
typedef BOOLEAN DDKFASTAPI
(*PPROCESSOR_IDLE_HANDLER)(
IN OUT PPROCESSOR_IDLE_TIMES IdleTimes);
typedef struct _PROCESSOR_IDLE_HANDLER_INFO {
ULONG HardwareLatency;
PPROCESSOR_IDLE_HANDLER Handler;
} PROCESSOR_IDLE_HANDLER_INFO, *PPROCESSOR_IDLE_HANDLER_INFO;
typedef VOID DDKFASTAPI
(*PSET_PROCESSOR_THROTTLE)(
IN UCHAR Throttle);
typedef NTSTATUS DDKFASTAPI
(*PSET_PROCESSOR_THROTTLE2)(
IN UCHAR Throttle);
#define MAX_IDLE_HANDLERS 3
typedef struct _PROCESSOR_STATE_HANDLER {
UCHAR ThrottleScale;
BOOLEAN ThrottleOnIdle;
PSET_PROCESSOR_THROTTLE SetThrottle;
ULONG NumIdleHandlers;
PROCESSOR_IDLE_HANDLER_INFO IdleHandler[MAX_IDLE_HANDLERS];
} PROCESSOR_STATE_HANDLER, *PPROCESSOR_STATE_HANDLER;
typedef enum _POWER_STATE_HANDLER_TYPE {
PowerStateSleeping1,
PowerStateSleeping2,
PowerStateSleeping3,
PowerStateSleeping4,
PowerStateSleeping4Firmware,
PowerStateShutdownReset,
PowerStateShutdownOff,
PowerStateMaximum
} POWER_STATE_HANDLER_TYPE, *PPOWER_STATE_HANDLER_TYPE;
typedef NTSTATUS DDKAPI
(*PENTER_STATE_SYSTEM_HANDLER)(
IN PVOID SystemContext);
typedef NTSTATUS DDKAPI
(*PENTER_STATE_HANDLER)(
IN PVOID Context,
IN PENTER_STATE_SYSTEM_HANDLER SystemHandler OPTIONAL,
IN PVOID SystemContext,
IN LONG NumberProcessors,
IN VOLATILE PLONG Number);
typedef struct _POWER_STATE_HANDLER {
POWER_STATE_HANDLER_TYPE Type;
BOOLEAN RtcWake;
UCHAR Spare[3];
PENTER_STATE_HANDLER Handler;
PVOID Context;
} POWER_STATE_HANDLER, *PPOWER_STATE_HANDLER;
typedef NTSTATUS STDCALL
(*PENTER_STATE_NOTIFY_HANDLER)(
IN POWER_STATE_HANDLER_TYPE State,
IN PVOID Context,
IN BOOLEAN Entering);
typedef struct _POWER_STATE_NOTIFY_HANDLER {
PENTER_STATE_NOTIFY_HANDLER Handler;
PVOID Context;
} POWER_STATE_NOTIFY_HANDLER, *PPOWER_STATE_NOTIFY_HANDLER;
NTOSAPI
NTSTATUS
DDKAPI
NtPowerInformation(
IN POWER_INFORMATION_LEVEL InformationLevel,
IN PVOID InputBuffer OPTIONAL,
IN ULONG InputBufferLength,
OUT PVOID OutputBuffer OPTIONAL,
IN ULONG OutputBufferLength);
#define PROCESSOR_STATE_TYPE_PERFORMANCE 1
#define PROCESSOR_STATE_TYPE_THROTTLE 2
typedef struct _PROCESSOR_PERF_LEVEL {
UCHAR PercentFrequency;
UCHAR Reserved;
USHORT Flags;
} PROCESSOR_PERF_LEVEL, *PPROCESSOR_PERF_LEVEL;
typedef struct _PROCESSOR_PERF_STATE {
UCHAR PercentFrequency;
UCHAR MinCapacity;
USHORT Power;
UCHAR IncreaseLevel;
UCHAR DecreaseLevel;
USHORT Flags;
ULONG IncreaseTime;
ULONG DecreaseTime;
ULONG IncreaseCount;
ULONG DecreaseCount;
ULONGLONG PerformanceTime;
} PROCESSOR_PERF_STATE, *PPROCESSOR_PERF_STATE;
typedef struct _PROCESSOR_STATE_HANDLER2 {
ULONG NumIdleHandlers;
PROCESSOR_IDLE_HANDLER_INFO IdleHandler[MAX_IDLE_HANDLERS];
PSET_PROCESSOR_THROTTLE2 SetPerfLevel;
ULONG HardwareLatency;
UCHAR NumPerfStates;
PROCESSOR_PERF_LEVEL PerfLevel[1];
} PROCESSOR_STATE_HANDLER2, *PPROCESSOR_STATE_HANDLER2;
NTOSAPI
NTSTATUS
DDKAPI
NtSetThreadExecutionState(
IN EXECUTION_STATE esFlags,
OUT EXECUTION_STATE *PreviousFlags);
NTOSAPI
NTSTATUS
DDKAPI
NtRequestWakeupLatency(
IN LATENCY_TIME latency);
NTOSAPI
NTSTATUS
DDKAPI
NtInitiatePowerAction(
IN POWER_ACTION SystemAction,
IN SYSTEM_POWER_STATE MinSystemState,
IN ULONG Flags,
IN BOOLEAN Asynchronous);
NTOSAPI
NTSTATUS
DDKAPI
NtSetSystemPowerState(
IN POWER_ACTION SystemAction,
IN SYSTEM_POWER_STATE MinSystemState,
IN ULONG Flags);
NTOSAPI
NTSTATUS
DDKAPI
NtGetDevicePowerState(
IN HANDLE Device,
OUT DEVICE_POWER_STATE *State);
NTOSAPI
NTSTATUS
DDKAPI
NtCancelDeviceWakeupRequest(
IN HANDLE Device);
NTOSAPI
BOOLEAN
DDKAPI
NtIsSystemResumeAutomatic(
VOID);
NTOSAPI
NTSTATUS
DDKAPI
NtRequestDeviceWakeup(
IN HANDLE Device);
#define WINLOGON_LOCK_ON_SLEEP 0x00000001
typedef struct _PROCESSOR_POWER_INFORMATION {
ULONG Number;
ULONG MaxMhz;
ULONG CurrentMhz;
ULONG MhzLimit;
ULONG MaxIdleState;
ULONG CurrentIdleState;
} PROCESSOR_POWER_INFORMATION, *PPROCESSOR_POWER_INFORMATION;
#ifdef __cplusplus
}
#endif
#endif /* __NTPOAPI_H */
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