| 1 | /*
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| 2 | * ntpoapi.h
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| 3 | *
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| 4 | * APIs for power management.
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| 5 | *
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| 6 | * This file is part of the w32api package.
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| 7 | *
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| 8 | * Contributors:
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| 9 | * Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
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| 10 | *
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| 11 | * THIS SOFTWARE IS NOT COPYRIGHTED
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| 12 | *
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| 13 | * This source code is offered for use in the public domain. You may
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| 14 | * use, modify or distribute it freely.
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| 15 | *
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| 16 | * This code is distributed in the hope that it will be useful but
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| 17 | * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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| 18 | * DISCLAIMED. This includes but is not limited to warranties of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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| 20 | *
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| 21 | */
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| 22 |
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| 23 | #ifndef __NTPOAPI_H
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| 24 | #define __NTPOAPI_H
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| 25 |
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| 26 | #ifdef __cplusplus
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| 27 | extern "C" {
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| 28 | #endif
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| 29 |
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| 30 | #ifndef _PO_DDK_
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| 31 | #define _PO_DDK_
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| 32 |
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| 33 | /* Power States/Levels */
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| 34 | typedef enum _SYSTEM_POWER_STATE {
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| 35 | PowerSystemUnspecified,
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| 36 | PowerSystemWorking,
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| 37 | PowerSystemSleeping1,
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| 38 | PowerSystemSleeping2,
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| 39 | PowerSystemSleeping3,
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| 40 | PowerSystemHibernate,
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| 41 | PowerSystemShutdown,
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| 42 | PowerSystemMaximum
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| 43 | } SYSTEM_POWER_STATE, *PSYSTEM_POWER_STATE;
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| 44 | #define POWER_SYSTEM_MAXIMUM PowerSystemMaximum
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| 45 |
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| 46 | typedef enum _DEVICE_POWER_STATE {
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| 47 | PowerDeviceUnspecified,
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| 48 | PowerDeviceD0,
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| 49 | PowerDeviceD1,
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| 50 | PowerDeviceD2,
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| 51 | PowerDeviceD3,
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| 52 | PowerDeviceMaximum
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| 53 | } DEVICE_POWER_STATE, *PDEVICE_POWER_STATE;
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| 54 |
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| 55 | typedef union _POWER_STATE {
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| 56 | SYSTEM_POWER_STATE SystemState;
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| 57 | DEVICE_POWER_STATE DeviceState;
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| 58 | } POWER_STATE, *PPOWER_STATE;
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| 59 |
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| 60 | typedef enum _POWER_STATE_TYPE {
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| 61 | SystemPowerState = 0,
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| 62 | DevicePowerState
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| 63 | } POWER_STATE_TYPE, *PPOWER_STATE_TYPE;
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| 64 |
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| 65 | typedef enum _POWER_INFORMATION_LEVEL {
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| 66 | SystemPowerPolicyAc,
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| 67 | SystemPowerPolicyDc,
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| 68 | VerifySystemPolicyAc,
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| 69 | VerifySystemPolicyDc,
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| 70 | SystemPowerCapabilities,
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| 71 | SystemBatteryState,
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| 72 | SystemPowerStateHandler,
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| 73 | ProcessorStateHandler,
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| 74 | SystemPowerPolicyCurrent,
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| 75 | AdministratorPowerPolicy,
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| 76 | SystemReserveHiberFile,
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| 77 | ProcessorInformation,
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| 78 | SystemPowerInformation,
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| 79 | ProcessorStateHandler2,
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| 80 | LastWakeTime,
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| 81 | LastSleepTime,
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| 82 | SystemExecutionState,
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| 83 | SystemPowerStateNotifyHandler,
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| 84 | ProcessorPowerPolicyAc,
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| 85 | ProcessorPowerPolicyDc,
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| 86 | VerifyProcessorPowerPolicyAc,
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| 87 | VerifyProcessorPowerPolicyDc,
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| 88 | ProcessorPowerPolicyCurrent,
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| 89 | SystemPowerStateLogging,
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| 90 | SystemPowerLoggingEntry,
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| 91 | SetPowerSettingValue,
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| 92 | NotifyUserPowerSetting,
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| 93 | PowerInformationLevelUnused0,
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| 94 | PowerInformationLevelUnused1,
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| 95 | SystemVideoState,
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| 96 | TraceApplicationPowerMessage,
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| 97 | TraceApplicationPowerMessageEnd,
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| 98 | ProcessorPerfStates,
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| 99 | ProcessorIdleStates,
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| 100 | ProcessorCap,
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| 101 | SystemWakeSource,
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| 102 | SystemHiberFileInformation,
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| 103 | TraceServicePowerMessage,
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| 104 | ProcessorLoad,
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| 105 | PowerShutdownNotification,
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| 106 | MonitorCapabilities,
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| 107 | SessionPowerInit,
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| 108 | SessionDisplayState,
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| 109 | PowerRequestCreate,
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| 110 | PowerRequestAction,
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| 111 | GetPowerRequestList,
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| 112 | ProcessorInformationEx,
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| 113 | NotifyUserModeLegacyPowerEvent,
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| 114 | GroupPark,
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| 115 | ProcessorIdleDomains,
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| 116 | WakeTimerList,
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| 117 | SystemHiberFileSize,
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| 118 | PowerInformationLevelMaximum
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| 119 | } POWER_INFORMATION_LEVEL;
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| 120 |
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| 121 | typedef enum {
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| 122 | PowerActionNone,
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| 123 | PowerActionReserved,
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| 124 | PowerActionSleep,
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| 125 | PowerActionHibernate,
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| 126 | PowerActionShutdown,
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| 127 | PowerActionShutdownReset,
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| 128 | PowerActionShutdownOff,
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| 129 | PowerActionWarmEject
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| 130 | } POWER_ACTION, *PPOWER_ACTION;
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| 131 |
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| 132 | #if (NTDDI_VERSION >= NTDDI_WINXP) || !defined(_BATCLASS_)
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| 133 | typedef struct {
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| 134 | ULONG Granularity;
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| 135 | ULONG Capacity;
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| 136 | } BATTERY_REPORTING_SCALE, *PBATTERY_REPORTING_SCALE;
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| 137 | #endif /* (NTDDI_VERSION >= NTDDI_WINXP) || !defined(_BATCLASS_) */
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| 138 |
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| 139 |
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| 140 | #endif /* _PO_DDK_ */
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| 141 |
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| 142 |
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| 143 | #define POWER_PERF_SCALE 100
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| 144 | #define PERF_LEVEL_TO_PERCENT(x) (((x) * 1000) / (POWER_PERF_SCALE * 10))
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| 145 | #define PERCENT_TO_PERF_LEVEL(x) (((x) * POWER_PERF_SCALE * 10) / 1000)
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| 146 |
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| 147 | typedef struct _PROCESSOR_IDLE_TIMES {
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| 148 | ULONGLONG StartTime;
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| 149 | ULONGLONG EndTime;
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| 150 | ULONG IdleHandlerReserved[4];
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| 151 | } PROCESSOR_IDLE_TIMES, *PPROCESSOR_IDLE_TIMES;
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| 152 |
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| 153 | typedef BOOLEAN
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| 154 | (FASTCALL*PPROCESSOR_IDLE_HANDLER)(
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| 155 | IN OUT PPROCESSOR_IDLE_TIMES IdleTimes);
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| 156 |
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| 157 | typedef struct _PROCESSOR_IDLE_HANDLER_INFO {
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| 158 | ULONG HardwareLatency;
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| 159 | PPROCESSOR_IDLE_HANDLER Handler;
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| 160 | } PROCESSOR_IDLE_HANDLER_INFO, *PPROCESSOR_IDLE_HANDLER_INFO;
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| 161 |
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| 162 | typedef VOID
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| 163 | (FASTCALL*PSET_PROCESSOR_THROTTLE)(
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| 164 | IN UCHAR Throttle);
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| 165 |
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| 166 | typedef NTSTATUS
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| 167 | (FASTCALL*PSET_PROCESSOR_THROTTLE2)(
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| 168 | IN UCHAR Throttle);
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| 169 |
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| 170 | #define MAX_IDLE_HANDLERS 3
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| 171 |
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| 172 | typedef struct _PROCESSOR_STATE_HANDLER {
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| 173 | UCHAR ThrottleScale;
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| 174 | BOOLEAN ThrottleOnIdle;
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| 175 | PSET_PROCESSOR_THROTTLE SetThrottle;
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| 176 | ULONG NumIdleHandlers;
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| 177 | PROCESSOR_IDLE_HANDLER_INFO IdleHandler[MAX_IDLE_HANDLERS];
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| 178 | } PROCESSOR_STATE_HANDLER, *PPROCESSOR_STATE_HANDLER;
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| 179 |
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| 180 | typedef enum _POWER_STATE_HANDLER_TYPE {
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| 181 | PowerStateSleeping1,
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| 182 | PowerStateSleeping2,
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| 183 | PowerStateSleeping3,
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| 184 | PowerStateSleeping4,
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| 185 | PowerStateSleeping4Firmware,
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| 186 | PowerStateShutdownReset,
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| 187 | PowerStateShutdownOff,
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| 188 | PowerStateMaximum
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| 189 | } POWER_STATE_HANDLER_TYPE, *PPOWER_STATE_HANDLER_TYPE;
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| 190 |
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| 191 | typedef NTSTATUS
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| 192 | (NTAPI*PENTER_STATE_SYSTEM_HANDLER)(
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| 193 | IN PVOID SystemContext);
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| 194 |
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| 195 | typedef NTSTATUS
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| 196 | (NTAPI*PENTER_STATE_HANDLER)(
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| 197 | IN PVOID Context,
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| 198 | IN PENTER_STATE_SYSTEM_HANDLER SystemHandler OPTIONAL,
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| 199 | IN PVOID SystemContext,
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| 200 | IN LONG NumberProcessors,
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| 201 | IN LONG volatile *Number);
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| 202 |
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| 203 | typedef struct _POWER_STATE_HANDLER {
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| 204 | POWER_STATE_HANDLER_TYPE Type;
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| 205 | BOOLEAN RtcWake;
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| 206 | UCHAR Spare[3];
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| 207 | PENTER_STATE_HANDLER Handler;
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| 208 | PVOID Context;
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| 209 | } POWER_STATE_HANDLER, *PPOWER_STATE_HANDLER;
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| 210 |
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| 211 | typedef NTSTATUS
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| 212 | (NTAPI*PENTER_STATE_NOTIFY_HANDLER)(
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| 213 | IN POWER_STATE_HANDLER_TYPE State,
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| 214 | IN PVOID Context,
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| 215 | IN BOOLEAN Entering);
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| 216 |
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| 217 | typedef struct _POWER_STATE_NOTIFY_HANDLER {
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| 218 | PENTER_STATE_NOTIFY_HANDLER Handler;
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| 219 | PVOID Context;
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| 220 | } POWER_STATE_NOTIFY_HANDLER, *PPOWER_STATE_NOTIFY_HANDLER;
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| 221 |
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| 222 | NTSYSCALLAPI
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| 223 | NTSTATUS
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| 224 | NTAPI
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| 225 | NtPowerInformation(
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| 226 | IN POWER_INFORMATION_LEVEL InformationLevel,
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| 227 | IN PVOID InputBuffer OPTIONAL,
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| 228 | IN ULONG InputBufferLength,
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| 229 | OUT PVOID OutputBuffer OPTIONAL,
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| 230 | IN ULONG OutputBufferLength);
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| 231 |
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| 232 | #define PROCESSOR_STATE_TYPE_PERFORMANCE 1
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| 233 | #define PROCESSOR_STATE_TYPE_THROTTLE 2
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| 234 |
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| 235 | typedef struct _PROCESSOR_PERF_LEVEL {
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| 236 | UCHAR PercentFrequency;
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| 237 | UCHAR Reserved;
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| 238 | USHORT Flags;
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| 239 | } PROCESSOR_PERF_LEVEL, *PPROCESSOR_PERF_LEVEL;
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| 240 |
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| 241 | typedef struct _PROCESSOR_PERF_STATE {
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| 242 | UCHAR PercentFrequency;
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| 243 | UCHAR MinCapacity;
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| 244 | USHORT Power;
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| 245 | UCHAR IncreaseLevel;
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| 246 | UCHAR DecreaseLevel;
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| 247 | USHORT Flags;
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| 248 | ULONG IncreaseTime;
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| 249 | ULONG DecreaseTime;
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| 250 | ULONG IncreaseCount;
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| 251 | ULONG DecreaseCount;
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| 252 | ULONGLONG PerformanceTime;
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| 253 | } PROCESSOR_PERF_STATE, *PPROCESSOR_PERF_STATE;
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| 254 |
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| 255 | typedef struct _PROCESSOR_STATE_HANDLER2 {
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| 256 | ULONG NumIdleHandlers;
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| 257 | PROCESSOR_IDLE_HANDLER_INFO IdleHandler[MAX_IDLE_HANDLERS];
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| 258 | PSET_PROCESSOR_THROTTLE2 SetPerfLevel;
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| 259 | ULONG HardwareLatency;
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| 260 | UCHAR NumPerfStates;
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| 261 | PROCESSOR_PERF_LEVEL PerfLevel[1];
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| 262 | } PROCESSOR_STATE_HANDLER2, *PPROCESSOR_STATE_HANDLER2;
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| 263 |
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| 264 | NTSYSCALLAPI
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| 265 | NTSTATUS
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| 266 | NTAPI
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| 267 | NtSetThreadExecutionState(
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| 268 | IN EXECUTION_STATE esFlags,
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| 269 | OUT EXECUTION_STATE *PreviousFlags);
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| 270 |
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| 271 | NTSYSCALLAPI
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| 272 | NTSTATUS
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| 273 | NTAPI
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| 274 | NtRequestWakeupLatency(
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| 275 | IN LATENCY_TIME latency);
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| 276 |
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| 277 | NTSYSCALLAPI
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| 278 | NTSTATUS
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| 279 | NTAPI
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| 280 | NtInitiatePowerAction(
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| 281 | IN POWER_ACTION SystemAction,
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| 282 | IN SYSTEM_POWER_STATE MinSystemState,
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| 283 | IN ULONG Flags,
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| 284 | IN BOOLEAN Asynchronous);
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| 285 |
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| 286 | NTSYSCALLAPI
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| 287 | NTSTATUS
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| 288 | NTAPI
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| 289 | NtSetSystemPowerState(
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| 290 | IN POWER_ACTION SystemAction,
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| 291 | IN SYSTEM_POWER_STATE MinSystemState,
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| 292 | IN ULONG Flags);
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| 293 |
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| 294 | NTSYSCALLAPI
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| 295 | NTSTATUS
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| 296 | NTAPI
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| 297 | NtGetDevicePowerState(
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| 298 | IN HANDLE Device,
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| 299 | OUT DEVICE_POWER_STATE *State);
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| 300 |
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| 301 | NTSYSCALLAPI
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| 302 | NTSTATUS
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| 303 | NTAPI
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| 304 | NtCancelDeviceWakeupRequest(
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| 305 | IN HANDLE Device);
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| 306 |
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| 307 | NTSYSCALLAPI
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| 308 | BOOLEAN
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| 309 | NTAPI
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| 310 | NtIsSystemResumeAutomatic(
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| 311 | VOID);
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| 312 |
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| 313 | NTSYSCALLAPI
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| 314 | NTSTATUS
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| 315 | NTAPI
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| 316 | NtRequestDeviceWakeup(
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| 317 | IN HANDLE Device);
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| 318 |
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| 319 | #define WINLOGON_LOCK_ON_SLEEP 0x00000001
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| 320 |
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| 321 | typedef struct {
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| 322 | BOOLEAN PowerButtonPresent;
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| 323 | BOOLEAN SleepButtonPresent;
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| 324 | BOOLEAN LidPresent;
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| 325 | BOOLEAN SystemS1;
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| 326 | BOOLEAN SystemS2;
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| 327 | BOOLEAN SystemS3;
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| 328 | BOOLEAN SystemS4;
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| 329 | BOOLEAN SystemS5;
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| 330 | BOOLEAN HiberFilePresent;
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| 331 | BOOLEAN FullWake;
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| 332 | BOOLEAN VideoDimPresent;
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| 333 | BOOLEAN ApmPresent;
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| 334 | BOOLEAN UpsPresent;
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| 335 | BOOLEAN ThermalControl;
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| 336 | BOOLEAN ProcessorThrottle;
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| 337 | UCHAR ProcessorMinThrottle;
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| 338 | #if (NTDDI_VERSION < NTDDI_WINXP)
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| 339 | UCHAR ProcessorThrottleScale;
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| 340 | UCHAR spare2[4];
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| 341 | #else
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| 342 | UCHAR ProcessorMaxThrottle;
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| 343 | BOOLEAN FastSystemS4;
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| 344 | UCHAR spare2[3];
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| 345 | #endif /* (NTDDI_VERSION < NTDDI_WINXP) */
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| 346 | BOOLEAN DiskSpinDown;
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| 347 | UCHAR spare3[8];
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| 348 | BOOLEAN SystemBatteriesPresent;
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| 349 | BOOLEAN BatteriesAreShortTerm;
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| 350 | BATTERY_REPORTING_SCALE BatteryScale[3];
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| 351 | SYSTEM_POWER_STATE AcOnLineWake;
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| 352 | SYSTEM_POWER_STATE SoftLidWake;
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| 353 | SYSTEM_POWER_STATE RtcWake;
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| 354 | SYSTEM_POWER_STATE MinDeviceWakeState;
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| 355 | SYSTEM_POWER_STATE DefaultLowLatencyWake;
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| 356 | } SYSTEM_POWER_CAPABILITIES, *PSYSTEM_POWER_CAPABILITIES;
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| 357 |
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| 358 | typedef struct {
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| 359 | BOOLEAN AcOnLine;
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| 360 | BOOLEAN BatteryPresent;
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| 361 | BOOLEAN Charging;
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| 362 | BOOLEAN Discharging;
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| 363 | BOOLEAN Spare1[4];
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| 364 | ULONG MaxCapacity;
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| 365 | ULONG RemainingCapacity;
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| 366 | ULONG Rate;
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| 367 | ULONG EstimatedTime;
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| 368 | ULONG DefaultAlert1;
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| 369 | ULONG DefaultAlert2;
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| 370 | } SYSTEM_BATTERY_STATE, *PSYSTEM_BATTERY_STATE;
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| 371 |
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| 372 | typedef struct _PROCESSOR_POWER_INFORMATION {
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| 373 | ULONG Number;
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| 374 | ULONG MaxMhz;
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| 375 | ULONG CurrentMhz;
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| 376 | ULONG MhzLimit;
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| 377 | ULONG MaxIdleState;
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| 378 | ULONG CurrentIdleState;
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| 379 | } PROCESSOR_POWER_INFORMATION, *PPROCESSOR_POWER_INFORMATION;
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| 380 |
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| 381 | typedef struct _POWER_ACTION_POLICY {
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| 382 | POWER_ACTION Action;
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| 383 | ULONG Flags;
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| 384 | ULONG EventCode;
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| 385 | } POWER_ACTION_POLICY, *PPOWER_ACTION_POLICY;
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| 386 |
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| 387 | /* POWER_ACTION_POLICY.Flags constants */
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| 388 | #define POWER_ACTION_QUERY_ALLOWED 0x00000001
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| 389 | #define POWER_ACTION_UI_ALLOWED 0x00000002
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| 390 | #define POWER_ACTION_OVERRIDE_APPS 0x00000004
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| 391 | #define POWER_ACTION_LIGHTEST_FIRST 0x10000000
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| 392 | #define POWER_ACTION_LOCK_CONSOLE 0x20000000
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| 393 | #define POWER_ACTION_DISABLE_WAKES 0x40000000
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| 394 | #define POWER_ACTION_CRITICAL 0x80000000
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| 395 |
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| 396 | /* POWER_ACTION_POLICY.EventCode constants */
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| 397 | #define POWER_LEVEL_USER_NOTIFY_TEXT 0x00000001
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| 398 | #define POWER_LEVEL_USER_NOTIFY_SOUND 0x00000002
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| 399 | #define POWER_LEVEL_USER_NOTIFY_EXEC 0x00000004
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| 400 | #define POWER_USER_NOTIFY_BUTTON 0x00000008
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| 401 | #define POWER_USER_NOTIFY_SHUTDOWN 0x00000010
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| 402 | #define POWER_FORCE_TRIGGER_RESET 0x80000000
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| 403 |
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| 404 | #define DISCHARGE_POLICY_CRITICAL 0
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| 405 | #define DISCHARGE_POLICY_LOW 1
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| 406 | #define NUM_DISCHARGE_POLICIES 4
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| 407 |
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| 408 | #define PO_THROTTLE_NONE 0
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| 409 | #define PO_THROTTLE_CONSTANT 1
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| 410 | #define PO_THROTTLE_DEGRADE 2
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| 411 | #define PO_THROTTLE_ADAPTIVE 3
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| 412 | #define PO_THROTTLE_MAXIMUM 4
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| 413 |
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| 414 | #ifdef __cplusplus
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| 415 | }
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| 416 | #endif
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| 417 |
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| 418 | #endif /* __NTPOAPI_H */
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| 419 |
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