X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6601e61aa18bf4f09af135ff61fc7f4771d23b06..a1c7dba18ef36983396c282fe85292db066e39db:/iokit/IOKit/pwr_mgt/IOPM.h diff --git a/iokit/IOKit/pwr_mgt/IOPM.h b/iokit/IOKit/pwr_mgt/IOPM.h index 5f8dd4760..9623838aa 100644 --- a/iokit/IOKit/pwr_mgt/IOPM.h +++ b/iokit/IOKit/pwr_mgt/IOPM.h @@ -1,267 +1,755 @@ /* - * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 1998-2005 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _IOKIT_IOPM_H #define _IOKIT_IOPM_H -#define IOPMMaxPowerStates 10 +#include +#include +#include + +/*! @header IOPM.h + @abstract Defines power management constants and keys used by both in-kernel and user space power management. + @discussion IOPM.h defines a range of power management constants used in several in-kernel and user space APIs. Most significantly, the IOPMPowerFlags used to specify the fields of an IOPMPowerState struct are defined here. + + Most of the constants defined in IOPM.h are deprecated or for Apple internal use only, and are not elaborated on in headerdoc. +*/ -typedef unsigned long IOPMPowerFlags; enum { - // following bits are used in the input and output power fields - kIOPMClockNormal = 0x0004, - kIOPMClockRunning = 0x0008, - kIOPMAuxPowerOn = 0x0020, // used only between root and root parent - kIOPMPagingAvailable = 0x0020, // used only between paging plexus and its children - kIOPMPassThrough = 0x0100, - kIOPMDoze = 0x0400, - kIOPMSoftSleep = 0x0400, // old usage, replaced by kIOPMDoze - kIOPMSleep = 0x0001, - kIOPMRestart = 0x0080, - // following bits are used in the capabilites field and the power fields - kIOPMPowerOn = 0x0002, - kIOPMPreventSystemSleep = 0x0010, - kIOPMPreventIdleSleep = 0x0040, - // following bits are used in the capabilites field - kIOPMNotAttainable = 0x0001, // used between a driver and its policy-maker - kIOPMChildClamp = 0x0080, // used internally in a power domain parent - kIOPMChildClamp2 = 0x0200, // used internally in a power domain parent - kIOPMDeviceUsable = 0x8000, - kIOPMMaxPerformance = 0x4000, - kIOPMContextRetained = 0x2000, - kIOPMConfigRetained = 0x1000, - kIOPMSleepCapability = 0x0004, - kIOPMRestartCapability = 0x0080, - kIOPMNotPowerManaged = 0x0800, // this is an error return rather than a bit - kIOPMStaticPowerValid = 0x0800, // therefore this bit safely overloads it - - kIOPMCapabilitiesMask = kIOPMPowerOn | kIOPMDeviceUsable | kIOPMMaxPerformance | - kIOPMContextRetained | kIOPMConfigRetained | kIOPMSleepCapability | - kIOPMRestartCapability + kIOPMMaxPowerStates = 10, + IOPMMaxPowerStates = kIOPMMaxPowerStates }; +/*! @enum IOPMPowerFlags + @abstract Bits are used in defining capabilityFlags, inputPowerRequirements, and outputPowerCharacter in the IOPMPowerState structure. + @discussion These bits may be bitwise-OR'd together in the IOPMPowerState capabilityFlags field, the outputPowerCharacter field, and/or the inputPowerRequirement field. + + The comments clearly mark whether each flag should be used in the capabilityFlags field, outputPowerCharacter field, and inputPowerRequirement field, or all three. + + The value of capabilityFlags, inputPowerRequirement or outputPowerCharacter may be 0. Most drivers implement their 'OFF' state, used when asleep, by defininf each of the 3 fields as 0. + + The bits listed below are only the most common bits used to define a device's power states. Your device's IO family may require that your device specify other input or output power flags to interact properly. Consult family-specific documentation to determine if your IOPower plane parents or children require other power flags; they probably don't. + + @constant kIOPMPowerOn Indicates the device is on, requires power, and provides power. Useful as a: Capability, InputPowerRequirement, OutputPowerCharacter + + @constant kIOPMDeviceUsable Indicates the device is usable in this state. Useful only as a Capability + + @constant kIOPMLowPower + Indicates device is in a low power state. May be bitwis-OR'd together + with kIOPMDeviceUsable flag, to indicate the device is still usable. + + A device with a capability of kIOPMLowPower may: + Require either 0 or kIOPMPowerOn from its power parent + Offer either kIOPMLowPower, kIOPMPowerOn, or 0 (no power at all) + to its power plane children. + + Useful only as a Capability, although USB drivers should consult USB family documentation for other valid circumstances to use the kIOPMLowPower bit. + + @constant kIOPMPreventIdleSleep + In the capability field of a power state, disallows idle system sleep while the device is in that state. + + For example, displays and disks set this capability for their ON power state; since the system may not idle sleep while the display (and thus keyboard or mouse) or the disk is active. + + Useful only as a Capability. + + @constant kIOPMSleepCapability + Used only by certain IOKit Families (USB). Not defined or used by generic Power Management. Read your family documentation to see if you should define a powerstate using these capabilities. + + @constant kIOPMRestartCapability + Used only by certain IOKit Families (USB). Not defined or used by generic Power Management. Read your family documentation to see if you should define a powerstate using these capabilities. + + @constant kIOPMSleep + Used only by certain IOKit Families (USB). Not defined or used by generic Power Management. Read your family documentation to see if you should define a powerstate using these capabilities. + + @constant kIOPMRestart + Used only by certain IOKit Families (USB). Not defined or used by generic Power Management. Read your family documentation to see if you should define a powerstate using these capabilities. + @constant kIOPMInitialDeviceState + Indicates the initial power state for the device. If initialPowerStateForDomainState() returns a power state with this flag set in the capability field, then the initial power change is performed without calling the driver's setPowerState(). + + @constant kIOPMRootDomainState + An indication that the power flags represent the state of the root power + domain. This bit must not be set in the IOPMPowerState structure. + Power Management may pass this bit to initialPowerStateForDomainState() + to map from a global system state to the desired device state. +*/ +typedef unsigned long IOPMPowerFlags; enum { - IOPMNotAttainable = kIOPMNotAttainable, - IOPMPowerOn = kIOPMPowerOn, - IOPMClockNormal = kIOPMClockNormal, - IOPMClockRunning = kIOPMClockRunning, - IOPMAuxPowerOn = kIOPMAuxPowerOn, - IOPMDeviceUsable = kIOPMDeviceUsable, - IOPMMaxPerformance = kIOPMMaxPerformance, - IOPMContextRetained = kIOPMContextRetained, - IOPMConfigRetained = kIOPMConfigRetained, - IOPMNotPowerManaged = kIOPMNotPowerManaged, - IOPMPagingAvailable = kIOPMPagingAvailable, - IOPMSoftSleep = kIOPMSoftSleep + kIOPMPowerOn = 0x00000002, + kIOPMDeviceUsable = 0x00008000, + kIOPMLowPower = 0x00010000, + kIOPMPreventIdleSleep = 0x00000040, + kIOPMSleepCapability = 0x00000004, + kIOPMRestartCapability = 0x00000080, + kIOPMSleep = 0x00000001, + kIOPMRestart = 0x00000080, + kIOPMInitialDeviceState = 0x00000100, + kIOPMRootDomainState = 0x00000200 }; +/* + * Private IOPMPowerFlags + * + * For Apple use only + * Not for use with non-Apple drivers + * Their behavior is undefined + */ +enum { + kIOPMClockNormal = 0x0004, + kIOPMClockRunning = 0x0008, + kIOPMPreventSystemSleep = 0x0010, + kIOPMDoze = 0x0400, + kIOPMChildClamp = 0x0080, + kIOPMChildClamp2 = 0x0200, + kIOPMNotPowerManaged = 0x0800 +}; +/* + * Deprecated IOPMPowerFlags + * Their behavior is undefined when used in IOPMPowerState + * Capability, InputPowerRequirement, or OutputPowerCharacter fields. + */ enum { - kIOPMNextHigherState = 1, - kIOPMHighestState = 2, - kIOPMNextLowerState = 3, - kIOPMLowestState = 4 + kIOPMMaxPerformance = 0x4000, + kIOPMPassThrough = 0x0100, + kIOPMAuxPowerOn = 0x0020, + kIOPMNotAttainable = 0x0001, + kIOPMContextRetained = 0x2000, + kIOPMConfigRetained = 0x1000, + kIOPMStaticPowerValid = 0x0800, + kIOPMSoftSleep = 0x0400, + kIOPMCapabilitiesMask = kIOPMPowerOn | kIOPMDeviceUsable | + kIOPMMaxPerformance | kIOPMContextRetained | + kIOPMConfigRetained | kIOPMSleepCapability | + kIOPMRestartCapability }; +/* + * Support for old names of IOPMPowerFlag constants + */ enum { - IOPMNextHigherState = kIOPMNextHigherState, - IOPMHighestState = kIOPMHighestState, - IOPMNextLowerState = kIOPMNextLowerState, - IOPMLowestState = kIOPMLowestState + IOPMNotAttainable = kIOPMNotAttainable, + IOPMPowerOn = kIOPMPowerOn, + IOPMClockNormal = kIOPMClockNormal, + IOPMClockRunning = kIOPMClockRunning, + IOPMAuxPowerOn = kIOPMAuxPowerOn, + IOPMDeviceUsable = kIOPMDeviceUsable, + IOPMMaxPerformance = kIOPMMaxPerformance, + IOPMContextRetained = kIOPMContextRetained, + IOPMConfigRetained = kIOPMConfigRetained, + IOPMNotPowerManaged = kIOPMNotPowerManaged, + IOPMSoftSleep = kIOPMSoftSleep }; +enum { + kIOPMNextHigherState = 1, + kIOPMHighestState = 2, + kIOPMNextLowerState = 3, + kIOPMLowestState = 4 +}; + +enum { + IOPMNextHigherState = kIOPMNextHigherState, + IOPMHighestState = kIOPMHighestState, + IOPMNextLowerState = kIOPMNextLowerState, + IOPMLowestState = kIOPMLowestState +}; -enum { // commands on power managment command queue +// Internal commands used by power managment command queue +enum { kIOPMBroadcastAggressiveness = 1, kIOPMUnidleDevice }; -enum { // special value means "power consumption unknown" +// Power consumption unknown value +enum { kIOPMUnknown = 0xFFFF }; -// Power events +/******************************************************************************* + * + * Root Domain property keys of interest + * + ******************************************************************************/ + +/* AppleClamshellState + * reflects the state of the clamshell (lid) on a portable. + * It has a boolean value. + * true == clamshell is closed + * false == clamshell is open + * not present == no clamshell on this hardware + */ +#define kAppleClamshellStateKey "AppleClamshellState" + +/* AppleClamshellCausesSleep + * reflects the clamshell close behavior on a portable. + * It has a boolean value. + * true == system will sleep when clamshell is closed + * false == system will not sleep on clamshell close + * (typically external display mode) + * not present == no clamshell on this hardware + */ +#define kAppleClamshellCausesSleepKey "AppleClamshellCausesSleep" + +/* kIOPMSleepWakeUUIDKey + * Key refers to a CFStringRef that will uniquely identify + * a sleep/wake cycle for logging & tracking. + * The key becomes valid at the beginning of a sleep cycle - before we + * initiate any sleep/wake notifications. + * The key becomes invalid at the completion of a system wakeup. The + * property will not be present in the IOPMrootDomain's registry entry + * when it is invalid. + * + * See IOPMrootDomain notification kIOPMMessageSleepWakeUUIDChange + */ + #define kIOPMSleepWakeUUIDKey "SleepWakeUUID" + +/* kIOPMBootSessionUUIDKey + * Key refers to a CFStringRef that will uniquely identify + * a boot cycle. + * The key becomes valid at boot time and remains valid + * till shutdown. The property value will remain same across + * sleep/wake/hibernate cycle. + */ +#define kIOPMBootSessionUUIDKey "BootSessionUUID" + +/* kIOPMDeepSleepEnabledKey + * Indicates the Deep Sleep enable state. + * It has a boolean value. + * true == Deep Sleep is enabled + * false == Deep Sleep is disabled + * not present == Deep Sleep is not supported on this hardware + */ +#define kIOPMDeepSleepEnabledKey "Standby Enabled" + +/* kIOPMDeepSleepDelayKey + * Key refers to a CFNumberRef that represents the delay in seconds before + * entering Deep Sleep state. The property is not present if Deep Sleep is + * unsupported. + */ +#define kIOPMDeepSleepDelayKey "Standby Delay" + +/* kIOPMDestroyFVKeyOnStandbyKey + * Specifies if FileVault key can be stored when going to standby mode + * It has a boolean value, + * true == Destroy FV key when going to standby mode + * false == Retain FV key when going to standby mode + * not present == Retain FV key when going to standby mode + */ +#define kIOPMDestroyFVKeyOnStandbyKey "DestroyFVKeyOnStandby" + +/******************************************************************************* + * + * Properties that can control power management behavior + * + ******************************************************************************/ + +/* kIOPMResetPowerStateOnWakeKey + * If an IOService publishes this key with the value of kOSBooleanTrue, + * then PM will disregard the influence from changePowerStateToPriv() or + * any activity tickles that occurred before system sleep when resolving + * the initial device power state on wake. Influences from power children + * and changePowerStateTo() are not eliminated. At the earliest opportunity + * upon system wake, PM will query the driver for a new power state to be + * installed as the initial changePowerStateToPriv() influence, by calling + * initialPowerStateForDomainState() with both kIOPMRootDomainState and + * kIOPMPowerOn flags set. The default implementation will always return + * the lowest power state. Drivers can override this default behavior to + * immediately raise the power state when there are work blocked on the + * power change, and cannot afford to wait until the next activity tickle. + * This property should be statically added to a driver's plist or set at + * runtime before calling PMinit(). + */ +#define kIOPMResetPowerStateOnWakeKey "IOPMResetPowerStateOnWake" + +/******************************************************************************* + * + * Driver PM Assertions + * + ******************************************************************************/ + +/* Driver Assertion bitfield description + * Driver PM assertions are defined by these bits. + */ +enum { + /*! kIOPMDriverAssertionCPUBit + * When set, PM kernel will prefer to leave the CPU and core hardware + * running in "Dark Wake" state, instead of sleeping. + */ + kIOPMDriverAssertionCPUBit = 0x01, + + /*! kIOPMDriverAssertionUSBExternalDeviceBit + * When set, driver is informing PM that an external USB device is attached. + */ + kIOPMDriverAssertionUSBExternalDeviceBit = 0x04, + + /*! kIOPMDriverAssertionBluetoothHIDDevicePairedBit + * When set, driver is informing PM that a Bluetooth HID device is paired. + */ + kIOPMDriverAssertionBluetoothHIDDevicePairedBit = 0x08, + + /*! kIOPMDriverAssertionExternalMediaMountedBit + * When set, driver is informing PM that an external media is mounted. + */ + kIOPMDriverAssertionExternalMediaMountedBit = 0x10, + + /*! kIOPMDriverAssertionReservedBit5 + * Reserved for Thunderbolt. + */ + kIOPMDriverAssertionReservedBit5 = 0x20, + + /*! kIOPMDriverAssertionPreventDisplaySleepBit + * When set, the display should remain powered on while the system's awake. + */ + kIOPMDriverAssertionPreventDisplaySleepBit = 0x40, + + /*! kIOPMDriverAssertionReservedBit7 + * Reserved for storage family. + */ + kIOPMDriverAssertionReservedBit7 = 0x80, + + /*! kIOPMDriverAssertionMagicPacketWakeEnabledBit + * When set, driver is informing PM that magic packet wake is enabled. + */ + kIOPMDriverAssertionMagicPacketWakeEnabledBit = 0x100, + + /*! kIOPMDriverAssertionNetworkKeepAliveActiveBit + * When set, driver is informing PM that it is holding the network + * interface up to do TCPKeepAlive + */ + kIOPMDriverAssertionNetworkKeepAliveActiveBit = 0x200 +}; + + /* kIOPMAssertionsDriverKey + * This kIOPMrootDomain key refers to a CFNumberRef property, containing + * a bitfield describing the aggregate PM assertion levels. + * Example: A value of 0 indicates that no driver has asserted anything. + * Or, a value of kIOPMDriverAssertionCPUBit + * indicates that a driver (or drivers) have asserted a need for CPU and video. + */ +#define kIOPMAssertionsDriverKey "DriverPMAssertions" + + /* kIOPMAssertionsDriverKey + * This kIOPMrootDomain key refers to a CFNumberRef property, containing + * a bitfield describing the aggregate PM assertion levels. + * Example: A value of 0 indicates that no driver has asserted anything. + * Or, a value of kIOPMDriverAssertionCPUBit + * indicates that a driver (or drivers) have asserted a need for CPU and video. + */ +#define kIOPMAssertionsDriverDetailedKey "DriverPMAssertionsDetailed" + +/******************************************************************************* + * + * Kernel Driver assertion detailed dictionary keys + * + * Keys decode the Array & dictionary data structure under IOPMrootDomain property + * kIOPMAssertionsDriverKey. + * + */ +#define kIOPMDriverAssertionIDKey "ID" +#define kIOPMDriverAssertionCreatedTimeKey "CreatedTime" +#define kIOPMDriverAssertionModifiedTimeKey "ModifiedTime" +#define kIOPMDriverAssertionOwnerStringKey "Owner" +#define kIOPMDriverAssertionOwnerServiceKey "ServicePtr" +#define kIOPMDriverAssertionRegistryEntryIDKey "RegistryEntryID" +#define kIOPMDriverAssertionLevelKey "Level" +#define kIOPMDriverAssertionAssertedKey "Assertions" + +/******************************************************************************* + * + * Root Domain general interest messages + * + * Available by registering for interest type 'gIOGeneralInterest' + * on IOPMrootDomain. + * + ******************************************************************************/ + +/* kIOPMMessageClamshellStateChange + * Delivered as a general interest notification on the IOPMrootDomain + * IOPMrootDomain sends this message when state of either AppleClamshellState + * or AppleClamshellCausesSleep changes. If this clamshell change results in + * a sleep, the sleep will initiate soon AFTER delivery of this message. + * The state of both variables is encoded in a bitfield argument sent with + * the message. Check bits 0 and 1 using kClamshellStateBit & kClamshellSleepBit + */ +enum { + kClamshellStateBit = (1 << 0), + kClamshellSleepBit = (1 << 1) +}; + +#define kIOPMMessageClamshellStateChange \ + iokit_family_msg(sub_iokit_powermanagement, 0x100) + +/* kIOPMMessageFeatureChange + * Delivered when the set of supported features ("Supported Features" dictionary + * under IOPMrootDomain registry) changes in some way. Typically addition or + * removal of a supported feature. + * RootDomain passes no argument with this message. + */ +#define kIOPMMessageFeatureChange \ + iokit_family_msg(sub_iokit_powermanagement, 0x110) + +/* kIOPMMessageInflowDisableCancelled + * The battery has drained completely to its "Fully Discharged" state. + * If a user process has disabled battery inflow for battery + * calibration, we forcibly re-enable Inflow at this point. + * If inflow HAS been forcibly re-enabled, bit 0 + * (kInflowForciblyEnabledBit) will be set. + */ +enum { + kInflowForciblyEnabledBit = (1 << 0) +}; + +/* kIOPMMessageInternalBatteryFullyDischarged + * The battery has drained completely to its "Fully Discharged" state. + */ +#define kIOPMMessageInternalBatteryFullyDischarged \ + iokit_family_msg(sub_iokit_powermanagement, 0x120) + +/* kIOPMMessageSystemPowerEventOccurred + * Some major system thermal property has changed, and interested clients may + * modify their behavior. + */ +#define kIOPMMessageSystemPowerEventOccurred \ + iokit_family_msg(sub_iokit_powermanagement, 0x130) + +/* kIOPMMessageSleepWakeUUIDChange + * Either a new SleepWakeUUID has been specified at the beginning of a sleep, + * or we're removing the existing property upon completion of a wakeup. + */ +#define kIOPMMessageSleepWakeUUIDChange \ + iokit_family_msg(sub_iokit_powermanagement, 0x140) + +/* kIOPMMessageSleepWakeUUIDSet + * Argument accompanying the kIOPMMessageSleepWakeUUIDChange notification when + * a new UUID has been specified. + */ +#define kIOPMMessageSleepWakeUUIDSet ((void *)1) + +/* kIOPMMessageSleepWakeUUIDCleared + * Argument accompanying the kIOPMMessageSleepWakeUUIDChange notification when + * the current UUID has been removed. + */ +#define kIOPMMessageSleepWakeUUIDCleared ((void *)0) + +/*! kIOPMMessageDriverAssertionsChanged + * Sent when kernel PM driver assertions have changed. + */ +#define kIOPMMessageDriverAssertionsChanged \ + iokit_family_msg(sub_iokit_powermanagement, 0x150) + +/*! kIOPMMessageDarkWakeThermalEmergency + * Sent when machine becomes unsustainably warm in DarkWake. + * Kernel PM might choose to put the machine back to sleep right after. + */ +#define kIOPMMessageDarkWakeThermalEmergency \ + iokit_family_msg(sub_iokit_powermanagement, 0x160) + +/******************************************************************************* + * + * Power commands issued to root domain + * Use with IOPMrootDomain::receivePowerNotification() + * + * These commands are issued from system drivers only: + * ApplePMU, AppleSMU, IOGraphics, AppleACPIFamily + * + * TODO: deprecate kIOPMAllowSleep and kIOPMPreventSleep + ******************************************************************************/ +enum { + kIOPMSleepNow = (1<<0), // put machine to sleep now + kIOPMAllowSleep = (1<<1), // allow idle sleep + kIOPMPreventSleep = (1<<2), // do not allow idle sleep + kIOPMPowerButton = (1<<3), // power button was pressed + kIOPMClamshellClosed = (1<<4), // clamshell was closed + kIOPMPowerEmergency = (1<<5), // battery dangerously low + kIOPMDisableClamshell = (1<<6), // do not sleep on clamshell closure + kIOPMEnableClamshell = (1<<7), // sleep on clamshell closure + kIOPMProcessorSpeedChange = (1<<8), // change the processor speed + kIOPMOverTemp = (1<<9), // system dangerously hot + kIOPMClamshellOpened = (1<<10), // clamshell was opened + kIOPMDWOverTemp = (1<<11) // DarkWake thermal limits exceeded. +}; + + +/******************************************************************************* + * + * Power Management Return Codes + * + ******************************************************************************/ enum { - kClamshellClosedEventMask = (1<<0), // User closed lid - kDockingBarEventMask = (1<<1), // OBSOLETE - kACPlugEventMask = (1<<2), // User plugged or unplugged adapter - kFrontPanelButtonEventMask = (1<<3), // User hit the front panel button - kBatteryStatusEventMask = (1<<4) // Battery status has changed + kIOPMNoErr = 0, + + // Returned by driver's setPowerState(), powerStateWillChangeTo(), + // powerStateDidChangeTo(), or acknowledgeSetPowerState() to + // implicitly acknowledge power change upon function return. + kIOPMAckImplied = 0, + + // Deprecated + kIOPMWillAckLater = 1, + + // Returned by requestPowerDomainState() to indicate + // unrecognized specification parameter. + kIOPMBadSpecification = 4, + + // Returned by requestPowerDomainState() to indicate + // no power state matches search specification. + kIOPMNoSuchState = 5, + + // Deprecated + kIOPMCannotRaisePower = 6, + + // Deprecated + kIOPMParameterError = 7, + + // Returned when power management state is accessed + // before driver has called PMinit(). + kIOPMNotYetInitialized = 8, + + // And the old constants; deprecated + IOPMNoErr = kIOPMNoErr, + IOPMAckImplied = kIOPMAckImplied, + IOPMWillAckLater = kIOPMWillAckLater, + IOPMBadSpecification = kIOPMBadSpecification, + IOPMNoSuchState = kIOPMNoSuchState, + IOPMCannotRaisePower = kIOPMCannotRaisePower, + IOPMParameterError = kIOPMParameterError, + IOPMNotYetInitialized = kIOPMNotYetInitialized }; -// Power commands issued to root domain + +// IOPMPowerSource class descriptive strings +// Power Source state is published as properties to the IORegistry under these +// keys. +#define kIOPMPSExternalConnectedKey "ExternalConnected" +#define kIOPMPSExternalChargeCapableKey "ExternalChargeCapable" +#define kIOPMPSBatteryInstalledKey "BatteryInstalled" +#define kIOPMPSIsChargingKey "IsCharging" +#define kIOPMFullyChargedKey "FullyCharged" +#define kIOPMPSAtWarnLevelKey "AtWarnLevel" +#define kIOPMPSAtCriticalLevelKey "AtCriticalLevel" +#define kIOPMPSCurrentCapacityKey "CurrentCapacity" +#define kIOPMPSMaxCapacityKey "MaxCapacity" +#define kIOPMPSDesignCapacityKey "DesignCapacity" +#define kIOPMPSTimeRemainingKey "TimeRemaining" +#define kIOPMPSAmperageKey "Amperage" +#define kIOPMPSVoltageKey "Voltage" +#define kIOPMPSCycleCountKey "CycleCount" +#define kIOPMPSMaxErrKey "MaxErr" +#define kIOPMPSAdapterInfoKey "AdapterInfo" +#define kIOPMPSLocationKey "Location" +#define kIOPMPSErrorConditionKey "ErrorCondition" +#define kIOPMPSManufacturerKey "Manufacturer" +#define kIOPMPSManufactureDateKey "ManufactureDate" +#define kIOPMPSModelKey "Model" +#define kIOPMPSSerialKey "Serial" +#define kIOPMDeviceNameKey "DeviceName" +#define kIOPMPSLegacyBatteryInfoKey "LegacyBatteryInfo" +#define kIOPMPSBatteryHealthKey "BatteryHealth" +#define kIOPMPSHealthConfidenceKey "HealthConfidence" +#define kIOPMPSCapacityEstimatedKey "CapacityEstimated" +#define kIOPMPSBatteryChargeStatusKey "ChargeStatus" +#define kIOPMPSBatteryTemperatureKey "Temperature" +#define kIOPMPSAdapterDetailsKey "AdapterDetails" +#define kIOPMPSChargerConfigurationKey "ChargerConfiguration" + +// kIOPMPSBatteryChargeStatusKey may have one of the following values, or may have +// no value. If kIOPMBatteryChargeStatusKey has a NULL value (or no value) associated with it +// then charge is proceeding normally. If one of these battery charge status reasons is listed, +// then the charge may have been interrupted. +#define kIOPMBatteryChargeStatusTooHot "HighTemperature" +#define kIOPMBatteryChargeStatusTooCold "LowTemperature" +#define kIOPMBatteryChargeStatusTooHotOrCold "HighOrLowTemperature" +#define kIOPMBatteryChargeStatusGradient "BatteryTemperatureGradient" + +// Definitions for battery location, in case of multiple batteries. +// A location of 0 is unspecified +// Location is undefined for single battery systems enum { - kIOPMSleepNow = (1<<0), // put machine to sleep now - kIOPMAllowSleep = (1<<1), // allow idle sleep - kIOPMPreventSleep = (1<<2), // do not allow idle sleep - kIOPMPowerButton = (1<<3), // power button was pressed - kIOPMClamshellClosed = (1<<4), // clamshell was closed - kIOPMPowerEmergency = (1<<5), // battery dangerously low - kIOPMDisableClamshell = (1<<6), // do not sleep on clamshell closure - kIOPMEnableClamshell = (1<<7), // sleep on clamshell closure - kIOPMProcessorSpeedChange = (1<<8), // change the processor speed - kIOPMOverTemp = (1<<9) // system dangerously hot + kIOPMPSLocationLeft = 1001, + kIOPMPSLocationRight = 1002 }; - // Return codes -// PUBLIC power management features -// NOTE: this is a direct port from classic, some of these bits -// are obsolete but are included for completeness +// Battery quality health types, specified by BatteryHealth and HealthConfidence +// properties in an IOPMPowerSource battery kext. enum { - kPMHasWakeupTimerMask = (1<<0), // 1=wake timer is supported - kPMHasSharedModemPortMask = (1<<1), // Not used - kPMHasProcessorCyclingMask = (1<<2), // 1=processor cycling supported - kPMMustProcessorCycleMask = (1<<3), // Not used - kPMHasReducedSpeedMask = (1<<4), // 1=supports reduced processor speed - kPMDynamicSpeedChangeMask = (1<<5), // 1=supports changing processor speed on the fly - kPMHasSCSIDiskModeMask = (1<<6), // 1=supports using machine as SCSI drive - kPMCanGetBatteryTimeMask = (1<<7), // 1=battery time can be calculated - kPMCanWakeupOnRingMask = (1<<8), // 1=machine can wake on modem ring - kPMHasDimmingSupportMask = (1<<9), // 1=has monitor dimming support - kPMHasStartupTimerMask = (1<<10), // 1=can program startup timer - kPMHasChargeNotificationMask = (1<<11), // 1=client can determine charger status/get notifications - kPMHasDimSuspendSupportMask = (1<<12), // 1=can dim diplay to DPMS ('off') state - kPMHasWakeOnNetActivityMask = (1<<13), // 1=supports waking upon receipt of net packet - kPMHasWakeOnLidMask = (1<<14), // 1=can wake upon lid/case opening - kPMCanPowerOffPCIBusMask = (1<<15), // 1=can remove power from PCI bus on sleep - kPMHasDeepSleepMask = (1<<16), // 1=supports deep (hibernation) sleep - kPMHasSleepMask = (1<<17), // 1=machine support low power sleep (ala powerbooks) - kPMSupportsServerModeAPIMask = (1<<18), // 1=supports reboot on AC resume for unexpected power loss - kPMHasUPSIntegrationMask = (1<<19) // 1=supports incorporating UPS devices into power source calcs + kIOPMUndefinedValue = 0, + kIOPMPoorValue = 1, + kIOPMFairValue = 2, + kIOPMGoodValue = 3 }; -// PRIVATE power management features -// NOTE: this is a direct port from classic, some of these bits -// are obsolete but are included for completeness. +// Keys for kIOPMPSAdapterDetailsKey dictionary +#define kIOPMPSAdapterDetailsIDKey "AdapterID" +#define kIOPMPSAdapterDetailsWattsKey "Watts" +#define kIOPMPSAdapterDetailsRevisionKey "AdapterRevision" +#define kIOPMPSAdapterDetailsSerialNumberKey "SerialNumber" +#define kIOPMPSAdapterDetailsFamilyKey "FamilyCode" +#define kIOPMPSAdapterDetailsAmperageKey "Amperage" +#define kIOPMPSAdapterDetailsDescriptionKey "Description" +#define kIOPMPSAdapterDetailsPMUConfigurationKey "PMUConfiguration" + +// Battery's time remaining estimate is invalid this long (seconds) after a wake +#define kIOPMPSInvalidWakeSecondsKey "BatteryInvalidWakeSeconds" + +// Battery must wait this long (seconds) after being completely charged before +// the battery is settled. +#define kIOPMPSPostChargeWaitSecondsKey "PostChargeWaitSeconds" + +// Battery must wait this long (seconds) after being completely discharged +// before the battery is settled. +#define kIOPMPSPostDishargeWaitSecondsKey "PostDischargeWaitSeconds" + + +/* CPU Power Management status keys + * Pass as arguments to IOPMrootDomain::systemPowerEventOccurred + * Or as arguments to IOPMSystemPowerEventOccurred() + * Or to decode the dictionary obtained from IOPMCopyCPUPowerStatus() + * These keys reflect restrictions placed on the CPU by the system + * to bring the CPU's power consumption within allowable thermal and + * power constraints. + */ + + +/* kIOPMGraphicsPowerLimitsKey + * The key representing the dictionary of graphics power limits. + * The dictionary contains the other kIOPMCPUPower keys & their associated + * values (e.g. Speed limit, Processor Count, and Schedule limits). + */ +#define kIOPMGraphicsPowerLimitsKey "Graphics_Power_Limits" + +/* kIOPMGraphicsPowerLimitPerformanceKey + * The key representing the percent of overall performance made available + * by the graphics chip as a percentage (integer 0 - 100). + */ +#define kIOPMGraphicsPowerLimitPerformanceKey "Graphics_Power_Performance" + + + +/* kIOPMCPUPowerLimitsKey + * The key representing the dictionary of CPU Power Limits. + * The dictionary contains the other kIOPMCPUPower keys & their associated + * values (e.g. Speed limit, Processor Count, and Schedule limits). + */ +#define kIOPMCPUPowerLimitsKey "CPU_Power_Limits" + +/* kIOPMCPUPowerLimitProcessorSpeedKey defines the speed & voltage limits placed + * on the CPU. + * Represented as a percentage (0-100) of maximum CPU speed. + */ +#define kIOPMCPUPowerLimitProcessorSpeedKey "CPU_Speed_Limit" + +/* kIOPMCPUPowerLimitProcessorCountKey reflects how many, if any, CPUs have been + * taken offline. Represented as an integer number of CPUs (0 - Max CPUs). + */ +#define kIOPMCPUPowerLimitProcessorCountKey "CPU_Available_CPUs" + +/* kIOPMCPUPowerLimitSchedulerTimeKey represents the percentage (0-100) of CPU time + * available. 100% at normal operation. The OS may limit this time for a percentage + * less than 100%. + */ +#define kIOPMCPUPowerLimitSchedulerTimeKey "CPU_Scheduler_Limit" + + +/* Thermal Level Warning Key + * Indicates the thermal constraints placed on the system. This value may + * cause clients to action to consume fewer system resources. + * The value associated with this warning is defined by the platform. + */ +#define kIOPMThermalLevelWarningKey "Thermal_Level_Warning" + +/* Thermal Warning Level values + * kIOPMThermalLevelNormal - under normal operating conditions + * kIOPMThermalLevelDanger - thermal pressure may cause system slowdown + * kIOPMThermalLevelCritical - thermal conditions may cause imminent shutdown + * + * The platform may define additional thermal levels if necessary. + * Platform specific values are defined from 100 and above + */ enum { - kPMHasExtdBattInfoMask = (1<<0), // Not used - kPMHasBatteryIDMask = (1<<1), // Not used - kPMCanSwitchPowerMask = (1<<2), // Not used - kPMHasCelsiusCyclingMask = (1<<3), // Not used - kPMHasBatteryPredictionMask = (1<<4), // Not used - kPMHasPowerLevelsMask = (1<<5), // Not used - kPMHasSleepCPUSpeedMask = (1<<6), // Not used - kPMHasBtnIntHandlersMask = (1<<7), // 1=supports individual button interrupt handlers - kPMHasSCSITermPowerMask = (1<<8), // 1=supports SCSI termination power switch - kPMHasADBButtonHandlersMask = (1<<9), // 1=supports button handlers via ADB - kPMHasICTControlMask = (1<<10), // 1=supports ICT control - kPMHasLegacyDesktopSleepMask = (1<<11), // 1=supports 'doze' style sleep - kPMHasDeepIdleMask = (1<<12), // 1=supports Idle2 in hardware - kPMOpenLidPreventsSleepMask = (1<<13), // 1=open case prevent machine from sleeping - kPMClosedLidCausesSleepMask = (1<<14), // 1=case closed (clamshell closed) causes sleep - kPMHasFanControlMask = (1<<15), // 1=machine has software-programmable fan/thermostat controls - kPMHasThermalControlMask = (1<<16), // 1=machine supports thermal monitoring - kPMHasVStepSpeedChangeMask = (1<<17), // 1=machine supports processor voltage/clock change - kPMEnvironEventsPolledMask = (1<<18) // 1=machine doesn't generate pmu env ints, we must poll instead + kIOPMThermalLevelNormal = 0, + kIOPMThermalLevelDanger = 5, + kIOPMThermalLevelCritical = 10, + + kIOPMThermalLevelWarning = 100, + kIOPMThermalLevelTrap = 110, + + kIOPMThermalLevelUnknown = 255, }; -// DEFAULT public and private features for machines whose device tree -// does NOT contain this information (pre-Core99). - -// For Cuda-based Desktops - -#define kStdDesktopPMFeatures kPMHasWakeupTimerMask |\ - kPMHasProcessorCyclingMask |\ - kPMHasDimmingSupportMask |\ - kPMHasStartupTimerMask |\ - kPMSupportsServerModeAPIMask |\ - kPMHasUPSIntegrationMask - -#define kStdDesktopPrivPMFeatures kPMHasExtdBattInfoMask |\ - kPMHasICTControlMask |\ - kPMHasLegacyDesktopSleepMask - -#define kStdDesktopNumBatteries 0 - -// For Wallstreet (PowerBook G3 Series 1998) - -#define kWallstreetPMFeatures kPMHasWakeupTimerMask |\ - kPMHasProcessorCyclingMask |\ - kPMHasReducedSpeedMask |\ - kPMDynamicSpeedChangeMask |\ - kPMHasSCSIDiskModeMask |\ - kPMCanGetBatteryTimeMask |\ - kPMHasDimmingSupportMask |\ - kPMHasChargeNotificationMask |\ - kPMHasDimSuspendSupportMask |\ - kPMHasSleepMask - -#define kWallstreetPrivPMFeatures kPMHasExtdBattInfoMask |\ - kPMHasBatteryIDMask |\ - kPMCanSwitchPowerMask |\ - kPMHasADBButtonHandlersMask |\ - kPMHasSCSITermPowerMask |\ - kPMHasICTControlMask |\ - kPMClosedLidCausesSleepMask |\ - kPMEnvironEventsPolledMask - -#define kStdPowerBookPMFeatures kWallstreetPMFeatures -#define kStdPowerBookPrivPMFeatures kWallstreetPrivPMFeatures - -#define kStdPowerBookNumBatteries 2 - -// For 101 (PowerBook G3 Series 1999) - -#define k101PMFeatures kPMHasWakeupTimerMask |\ - kPMHasProcessorCyclingMask |\ - kPMHasReducedSpeedMask |\ - kPMDynamicSpeedChangeMask |\ - kPMHasSCSIDiskModeMask |\ - kPMCanGetBatteryTimeMask |\ - kPMHasDimmingSupportMask |\ - kPMHasChargeNotificationMask |\ - kPMHasDimSuspendSupportMask |\ - kPMHasSleepMask |\ - kPMHasUPSIntegrationMask - -#define k101PrivPMFeatures kPMHasExtdBattInfoMask |\ - kPMHasBatteryIDMask |\ - kPMCanSwitchPowerMask |\ - kPMHasADBButtonHandlersMask |\ - kPMHasSCSITermPowerMask |\ - kPMHasICTControlMask |\ - kPMClosedLidCausesSleepMask |\ - kPMEnvironEventsPolledMask - -#define IOPMNoErr 0 // normal return - - // returned by powerStateWillChange and powerStateDidChange: -#define IOPMAckImplied 0 // acknowledgement of power state change is implied -#define IOPMWillAckLater 1 // acknowledgement of power state change will come later - - // returned by requestDomainState -#define IOPMBadSpecification 4 // unrecognized specification parameter -#define IOPMNoSuchState 5 // no power state matches search specification - -#define IOPMCannotRaisePower 6 // a device cannot change its power for some reason - - // returned by changeStateTo -#define IOPMParameterError 7 // requested state doesn't exist -#define IOPMNotYetInitialized 8 // device not yet fully hooked into power management "graph" - - - // used by Root Domain UserClient +#define kIOPMThermalWarningLevelNormal kIOPMThermalLevelNormal +#define kIOPMThermalWarningLevelDanger kIOPMThermalLevelWarning +#define kIOPMThermalWarningLevelCrisis kIOPMThermalLevelCritical + +// PM Settings Controller setting types +// Settings types used primarily with: +// IOPMrootDomain::registerPMSettingController +// The values are identical to the similarly named keys for use in user space +// PM settings work. Those keys are defined in IOPMLibPrivate.h. +#define kIOPMSettingWakeOnRingKey "Wake On Modem Ring" +#define kIOPMSettingRestartOnPowerLossKey "Automatic Restart On Power Loss" +#define kIOPMSettingWakeOnACChangeKey "Wake On AC Change" +#define kIOPMSettingSleepOnPowerButtonKey "Sleep On Power Button" +#define kIOPMSettingWakeOnClamshellKey "Wake On Clamshell Open" +#define kIOPMSettingReduceBrightnessKey "ReduceBrightness" +#define kIOPMSettingDisplaySleepUsesDimKey "Display Sleep Uses Dim" +#define kIOPMSettingTimeZoneOffsetKey "TimeZoneOffsetSeconds" +#define kIOPMSettingMobileMotionModuleKey "MobileMotionModule" +#define kIOPMSettingGraphicsSwitchKey "GPUSwitch" + +// Setting controlling drivers can register to receive scheduled wake data +// Either in "CF seconds" type, or structured calendar data in a formatted +// IOPMCalendarStruct defined below. +#define kIOPMSettingAutoWakeSecondsKey "wake" +#define kIOPMSettingAutoWakeCalendarKey "WakeByCalendarDate" +#define kIOPMSettingAutoPowerSecondsKey "poweron" +#define kIOPMSettingAutoPowerCalendarKey "PowerByCalendarDate" + +// Debug seconds auto wake +// Used by sleep cycling debug tools +#define kIOPMSettingDebugWakeRelativeKey "WakeRelativeToSleep" +#define kIOPMSettingDebugPowerRelativeKey "PowerRelativeToShutdown" + +// Maintenance wake calendar. +#define kIOPMSettingMaintenanceWakeCalendarKey "MaintenanceWakeCalendarDate" + + +struct IOPMCalendarStruct { + UInt32 year; + UInt8 month; + UInt8 day; + UInt8 hour; + UInt8 minute; + UInt8 second; + UInt8 selector; +}; +typedef struct IOPMCalendarStruct IOPMCalendarStruct; +// SetAggressiveness types enum { kPMGeneralAggressiveness = 0, kPMMinutesToDim, @@ -281,24 +769,23 @@ enum { kIOPMExternalPower }; -#define kAppleClamshellStateKey "AppleClamshellState" -#define kIOREMSleepEnabledKey "REMSleepEnabled" +#define kIOREMSleepEnabledKey "REMSleepEnabled" // Strings for deciphering the dictionary returned from IOPMCopyBatteryInfo -#define kIOBatteryInfoKey "IOBatteryInfo" -#define kIOBatteryCurrentChargeKey "Current" -#define kIOBatteryCapacityKey "Capacity" -#define kIOBatteryFlagsKey "Flags" -#define kIOBatteryVoltageKey "Voltage" -#define kIOBatteryAmperageKey "Amperage" +#define kIOBatteryInfoKey "IOBatteryInfo" +#define kIOBatteryCurrentChargeKey "Current" +#define kIOBatteryCapacityKey "Capacity" +#define kIOBatteryFlagsKey "Flags" +#define kIOBatteryVoltageKey "Voltage" +#define kIOBatteryAmperageKey "Amperage" +#define kIOBatteryCycleCountKey "Cycle Count" enum { - kIOBatteryInstalled = (1 << 2), - kIOBatteryCharge = (1 << 1), - kIOBatteryChargerConnect = (1 << 0) + kIOBatteryInstalled = (1 << 2), + kIOBatteryCharge = (1 << 1), + kIOBatteryChargerConnect = (1 << 0) }; - // Private power management message indicating battery data has changed // Indicates new data resides in the IORegistry #define kIOPMMessageBatteryStatusHasChanged iokit_family_msg(sub_iokit_pmu, 0x100) @@ -306,20 +793,7 @@ enum { // Apple private Legacy messages for re-routing AutoWake and AutoPower messages to the PMU // through newer user space IOPMSchedulePowerEvent API #define kIOPMUMessageLegacyAutoWake iokit_family_msg(sub_iokit_pmu, 0x200) -#define kIOPMUMessageLegacyAutoPower iokit_family_msg(sub_iokit_pmu, 0x210) - -// These flags are deprecated. Use the version with the kIOPM prefix below. -enum { - kACInstalled = kIOBatteryChargerConnect, - kBatteryCharging = kIOBatteryCharge, - kBatteryInstalled = kIOBatteryInstalled, - kUPSInstalled = (1<<3), - kBatteryAtWarn = (1<<4), - kBatteryDepleted = (1<<5), - kACnoChargeCapability = (1<<6), // AC adapter cannot charge battery - kRawLowBattery = (1<<7), // used only by Platform Expert - kForceLowSpeed = (1<<8) // set by Platfm Expert, chk'd by Pwr Plugin}; -}; +#define kIOPMUMessageLegacyAutoPower iokit_family_msg(sub_iokit_pmu, 0x210) // For use with IOPMPowerSource bFlags #define IOPM_POWER_SOURCE_REV 2 @@ -337,7 +811,6 @@ enum { kIOPMClamshellStateOnWake = (1<<10) // used only by Platform Expert }; - // ********************************************** // Internal power management data structures // ********************************************** @@ -352,26 +825,76 @@ enum { enum { kIOPMSubclassPolicy, kIOPMSuperclassPolicy1 +#ifdef KERNEL_PRIVATE + , kIOPMActivityTickleTypeAdvisory = 128 +#endif }; -struct stateChangeNote{ - IOPMPowerFlags stateFlags; - unsigned long stateNum; - void * powerRef; +struct stateChangeNote { + IOPMPowerFlags stateFlags; + unsigned long stateNum; + void * powerRef; }; typedef struct stateChangeNote stateChangeNote; +#endif /* KERNEL && __cplusplus */ struct IOPowerStateChangeNotification { - void * powerRef; - unsigned long returnValue; - unsigned long stateNumber; - IOPMPowerFlags stateFlags; + void * powerRef; + unsigned long returnValue; + unsigned long stateNumber; + IOPMPowerFlags stateFlags; }; typedef struct IOPowerStateChangeNotification IOPowerStateChangeNotification; typedef IOPowerStateChangeNotification sleepWakeNote; -extern void IOPMRegisterDevice(const char *, IOService *); -#endif /* KERNEL && __cplusplus */ +/*! @struct IOPMSystemCapabilityChangeParameters + @abstract A structure describing a system capability change. + @discussion A system capability change is a system level transition from a set + of system capabilities to a new set of system capabilities. Power management + sends a kIOMessageSystemCapabilityChange message and provides + this structure as the message data (by reference) to + gIOPriorityPowerStateInterest clients when system capability + changes. + @field notifyRef An identifier for this message notification. Clients with pending + I/O can signal completion by calling allowPowerChange() with this + value as the argument. Clients that are able to process the notification + synchronously should ignore this field. + @field maxWaitForReply A return value to the caller indicating the maximum time in + microseconds to wait for the allowPowerChange() call. The default + value is zero, which indicates the client processing has finished, and power + management should not wait for an allowPowerChange() call. + @field changeFlags Flags will be set to indicate whether the notification precedes + the capability change (kIOPMSystemCapabilityWillChange), or after + the capability change has occurred (kIOPMSystemCapabilityDidChange). + @field __reserved1 Set to zero. + @field fromCapabilities The system capabilities at the start of the transition. + @field toCapabilities The system capabilities at the end of the transition. + @field __reserved2 Set to zero. + */ +struct IOPMSystemCapabilityChangeParameters { + uint32_t notifyRef; + uint32_t maxWaitForReply; + uint32_t changeFlags; + uint32_t __reserved1; + uint32_t fromCapabilities; + uint32_t toCapabilities; + uint32_t __reserved2[4]; +}; -#endif /* ! _IOKIT_IOPM_H */ +/*! @enum IOPMSystemCapabilityChangeFlags + @constant kIOPMSystemCapabilityWillChange Indicates the system capability will change. + @constant kIOPMSystemCapabilityDidChange Indicates the system capability has changed. +*/ +enum { + kIOPMSystemCapabilityWillChange = 0x01, + kIOPMSystemCapabilityDidChange = 0x02 +}; +enum { + kIOPMSystemCapabilityCPU = 0x01, + kIOPMSystemCapabilityGraphics = 0x02, + kIOPMSystemCapabilityAudio = 0x04, + kIOPMSystemCapabilityNetwork = 0x08 +}; + +#endif /* ! _IOKIT_IOPM_H */