--- /dev/null
+! Copyright (C) 2021 Doug Coleman.
+! See http://factorcode.org/license.txt for BSD license.
+USING: alien.c-types alien.syntax classes.struct kernel math
+specialized-arrays system-info windows.errors windows.types
+windows.user32 ;
+IN: windows.powrprof
+
+LIBRARY: powrprof
+
+TYPEDEF: UINT NTSTATUS
+TYPEDEF: void* PHPOWERNOTIFY
+
+CONSTANT: STATUS_SUCCESS 0
+
+ENUM: SYSTEM_POWER_STATE
+ PowerSystemUnspecified
+ PowerSystemWorking
+ PowerSystemSleeping1
+ PowerSystemSleeping2
+ PowerSystemSleeping3
+ PowerSystemHibernate
+ PowerSystemShutdown
+ PowerSystemMaximum ;
+TYPEDEF: SYSTEM_POWER_STATE* PSYSTEM_POWER_STATE
+
+ENUM: POWER_PLATFORM_ROLE
+ PlatformRoleUnspecified
+ PlatformRoleDesktop
+ PlatformRoleMobile
+ PlatformRoleWorkstation
+ PlatformRoleEnterpriseServer
+ PlatformRoleSOHOServer
+ PlatformRoleAppliancePC
+ PlatformRolePerformanceServer
+ PlatformRoleSlate
+ PlatformRoleMaximum ;
+TYPEDEF: POWER_PLATFORM_ROLE* PPOWER_PLATFORM_ROLE
+
+ENUM: POWER_INFORMATION_LEVEL
+ SystemPowerPolicyAc
+ SystemPowerPolicyDc
+ VerifySystemPolicyAc
+ VerifySystemPolicyDc
+ SystemPowerCapabilities
+ SystemBatteryState
+ SystemPowerStateHandler
+ ProcessorStateHandler
+ SystemPowerPolicyCurrent
+ AdministratorPowerPolicy
+ SystemReserveHiberFile
+ ProcessorInformation
+ SystemPowerInformation
+ ProcessorStateHandler2
+ LastWakeTime
+ LastSleepTime
+ SystemExecutionState
+ SystemPowerStateNotifyHandler
+ ProcessorPowerPolicyAc
+ ProcessorPowerPolicyDc
+ VerifyProcessorPowerPolicyAc
+ VerifyProcessorPowerPolicyDc
+ ProcessorPowerPolicyCurrent
+ SystemPowerStateLogging
+ SystemPowerLoggingEntry
+ SetPowerSettingValue
+ NotifyUserPowerSetting
+ PowerInformationLevelUnused0
+ SystemMonitorHiberBootPowerOff
+ SystemVideoState
+ TraceApplicationPowerMessage
+ TraceApplicationPowerMessageEnd
+ ProcessorPerfStates
+ ProcessorIdleStates
+ ProcessorCap
+ SystemWakeSource
+ SystemHiberFileInformation
+ TraceServicePowerMessage
+ ProcessorLoad
+ PowerShutdownNotification
+ MonitorCapabilities
+ SessionPowerInit
+ SessionDisplayState
+ PowerRequestCreate
+ PowerRequestAction
+ GetPowerRequestList
+ ProcessorInformationEx
+ NotifyUserModeLegacyPowerEvent
+ GroupPark
+ ProcessorIdleDomains
+ WakeTimerList
+ SystemHiberFileSize
+ ProcessorIdleStatesHv
+ ProcessorPerfStatesHv
+ ProcessorPerfCapHv
+ ProcessorSetIdle
+ LogicalProcessorIdling
+ UserPresence
+ PowerSettingNotificationName
+ GetPowerSettingValue
+ IdleResiliency
+ SessionRITState
+ SessionConnectNotification
+ SessionPowerCleanup
+ SessionLockState
+ SystemHiberbootState
+ PlatformInformation
+ PdcInvocation
+ MonitorInvocation
+ FirmwareTableInformationRegistered
+ SetShutdownSelectedTime
+ SuspendResumeInvocation
+ PlmPowerRequestCreate
+ ScreenOff
+ CsDeviceNotification
+ PlatformRole
+ LastResumePerformance
+ DisplayBurst
+ ExitLatencySamplingPercentage
+ RegisterSpmPowerSettings
+ PlatformIdleStates
+ ProcessorIdleVeto
+ PlatformIdleVeto
+ SystemBatteryStatePrecise
+ ThermalEvent
+ PowerRequestActionInternal
+ BatteryDeviceState
+ PowerInformationInternal
+ ThermalStandby
+ SystemHiberFileType
+ PhysicalPowerButtonPress
+ QueryPotentialDripsConstraint
+ EnergyTrackerCreate
+ EnergyTrackerQuery
+ UpdateBlackBoxRecorder
+ SessionAllowExternalDmaDevices
+ SendSuspendResumeNotification
+ PowerInformationLevelMaximum ;
+
+STRUCT: BATTERY_REPORTING_SCALE
+ { Granularity DWORD }
+ { Capacity DWORD } ;
+TYPEDEF: BATTERY_REPORTING_SCALE* PBATTERY_REPORTING_SCALE
+
+
+STRUCT: PROCESSOR_POWER_INFORMATION
+ { Number ULONG }
+ { MaxMhz ULONG }
+ { CurrentMhz ULONG }
+ { MhzLimit ULONG }
+ { MaxIdleState ULONG }
+ { CurrentIdleState ULONG } ;
+TYPEDEF: PROCESSOR_POWER_INFORMATION* PPROCESSOR_POWER_INFORMATION
+
+STRUCT: SYSTEM_POWER_CAPABILITIES
+ { PowerButtonPresent BOOLEAN }
+ { SleepButtonPresent BOOLEAN }
+ { LidPresent BOOLEAN }
+ { SystemS1 BOOLEAN }
+ { SystemS2 BOOLEAN }
+ { SystemS3 BOOLEAN }
+ { SystemS4 BOOLEAN }
+ { SystemS5 BOOLEAN }
+ { HiberFilePresent BOOLEAN }
+ { FullWake BOOLEAN }
+ { VideoDimPresent BOOLEAN }
+ { ApmPresent BOOLEAN }
+ { UpsPresent BOOLEAN }
+ { ThermalControl BOOLEAN }
+ { ProcessorThrottle BOOLEAN }
+ { ProcessorMinThrottle BYTE }
+ { ProcessorThrottleScale BYTE }
+ { spare2 BYTE[4] }
+ { ProcessorMaxThrottle BYTE }
+ { FastSystemS4 BOOLEAN }
+ { Hiberboot BOOLEAN }
+ { WakeAlarmPresent BOOLEAN }
+ { AoAc BOOLEAN }
+ { DiskSpinDown BOOLEAN }
+ { spare3 BYTE[8] }
+ { HiberFileType BYTE }
+ { AoAcConnectivitySupported BOOLEAN }
+! #else
+! BYTE spare3[6];
+! #endif
+ { SystemBatteriesPresent BOOLEAN }
+ { BatteriesAreShortTerm BOOLEAN }
+ { BatteryScale BATTERY_REPORTING_SCALE[3] }
+ { AcOnLineWake SYSTEM_POWER_STATE }
+ { SoftLidWake SYSTEM_POWER_STATE }
+ { RtcWake SYSTEM_POWER_STATE }
+ { MinDeviceWakeState SYSTEM_POWER_STATE }
+ { DefaultLowLatencyWake SYSTEM_POWER_STATE } ;
+TYPEDEF: SYSTEM_POWER_CAPABILITIES* PSYSTEM_POWER_CAPABILITIES
+
+STRUCT: SYSTEM_BATTERY_STATE
+ { AcOnLine BOOLEAN }
+ { BatteryPresent BOOLEAN }
+ { Charging BOOLEAN }
+ { Discharging BOOLEAN }
+ { Spare1 BOOLEAN[3] }
+ { Tag BYTE }
+ { MaxCapacity DWORD }
+ { RemainingCapacity DWORD }
+ { Rate DWORD }
+ { EstimatedTime DWORD }
+ { DefaultAlert1 DWORD }
+ { DefaultAlert2 DWORD } ;
+TYPEDEF: SYSTEM_BATTERY_STATE* PSYSTEM_BATTERY_STATE
+
+STRUCT: SYSTEM_POWER_INFORMATION
+ { MaxIdlenessAllowed ULONG }
+ { Idleness ULONG }
+ { TimeRemaining ULONG }
+ { CoolingMode UCHAR } ;
+TYPEDEF: SYSTEM_POWER_INFORMATION* PSYSTEM_POWER_INFORMATION
+
+
+SPECIALIZED-ARRAY: PROCESSOR_POWER_INFORMATION
+
+FUNCTION: NTSTATUS CallNtPowerInformation (
+ POWER_INFORMATION_LEVEL InformationLevel
+ PVOID InputBuffer,
+ ULONG InputBufferLength,
+ PVOID OutputBuffer,
+ ULONG OutputBufferLength
+)
+
+FUNCTION: BOOLEAN GetPwrCapabilities (
+ PSYSTEM_POWER_CAPABILITIES lpspc
+)
+
+FUNCTION: POWER_PLATFORM_ROLE PowerDeterminePlatformRoleEx (
+ ULONG Version
+)
+FUNCTION: DWORD PowerRegisterSuspendResumeNotification (
+ DWORD Flags,
+ HANDLE Recipient,
+ PHPOWERNOTIFY RegistrationHandle
+)
+FUNCTION: DWORD PowerUnregisterSuspendResumeNotification (
+ HPOWERNOTIFY RegistrationHandle
+)
+
+: get-processor-power-information ( -- structs )
+ ProcessorInformation
+ f 0
+ cpus <PROCESSOR_POWER_INFORMATION-array>
+ PROCESSOR_POWER_INFORMATION heap-size cpus *
+ [
+ CallNtPowerInformation win32-error=0/f
+ ] keepd ;
+
+: get-power-capabilities ( -- struct )
+ SYSTEM_POWER_CAPABILITIES <struct>
+ [ GetPwrCapabilities win32-error=0/f ] keep ;
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