X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6601e61aa18bf4f09af135ff61fc7f4771d23b06..440d4c6cfad24426bfddca7518f16c17f4e443f7:/iokit/IOKit/pwr_mgt/RootDomain.h?ds=sidebyside diff --git a/iokit/IOKit/pwr_mgt/RootDomain.h b/iokit/IOKit/pwr_mgt/RootDomain.h index 8984051fe..9a514bdbc 100644 --- a/iokit/IOKit/pwr_mgt/RootDomain.h +++ b/iokit/IOKit/pwr_mgt/RootDomain.h @@ -1,121 +1,473 @@ /* * Copyright (c) 1998-2000 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_ROOTDOMAIN_H #define _IOKIT_ROOTDOMAIN_H #include #include +#include +#ifdef XNU_KERNEL_PRIVATE +struct AggressivesRecord; +struct IOPMMessageFilterContext; +struct IOPMActions; +struct IOPMSystemSleepParameters; +class PMSettingObject; +class IOPMTimeline; +class PMEventDetails; +class PMTraceWorker; class IOPMPowerStateQueue; class RootDomainUserClient; +class PMAssertionsTracker; +#endif -#define kRootDomainSupportedFeatures "Supported Features" +/*! + * Types for PM Assertions + * For creating, releasing, and getting PM assertion levels. + */ + +/*! IOPMDriverAssertionType + * A bitfield describing a set of assertions. May be used to specify which assertions + * to set with IOPMrootDomain::createPMAssertion; or to query which + * assertions are set with IOPMrootDomain::releasePMAssertion. + */ +typedef uint64_t IOPMDriverAssertionType; +/* IOPMDriverAssertionID + * Drivers may create PM assertions to request system behavior (keep the system awake, + * or keep the display awake). When a driver creates an assertion via + * IOPMrootDomain::createPMAssertion, PM returns a handle to + * the assertion of type IOPMDriverAssertionID. + */ +typedef uint64_t IOPMDriverAssertionID; +#define kIOPMUndefinedDriverAssertionID 0 + +/* IOPMDriverAssertionLevel + * Possible values for IOPMDriverAssertionLevel are kIOPMDriverAssertionLevelOff + * and kIOPMDriverAssertionLevelOn + */ +typedef uint32_t IOPMDriverAssertionLevel; +#define kIOPMDriverAssertionLevelOff 0 +#define kIOPMDriverAssertionLevelOn 255 + +/* + * Flags for get/setSleepSupported() + */ enum { kRootDomainSleepNotSupported = 0x00000000, kRootDomainSleepSupported = 0x00000001, kFrameBufferDeepSleepSupported = 0x00000002, - kPCICantSleep = 0x00000004 + kPCICantSleep = 0x00000004 }; -// Constants for use as arguments to the settings callback PMU/SMU defines -// with registerPMSettingsController +/* + *IOPMrootDomain registry property keys + */ +#define kRootDomainSupportedFeatures "Supported Features" +#define kRootDomainSleepReasonKey "Last Sleep Reason" +#define kRootDomainSleepOptionsKey "Last Sleep Options" +#define kIOPMRootDomainWakeReasonKey "Wake Reason" +#define kIOPMRootDomainWakeTypeKey "Wake Type" +#define kIOPMRootDomainPowerStatusKey "Power Status" + +/* + * Possible sleep reasons found under kRootDomainSleepReasonsKey + */ +#define kIOPMClamshellSleepKey "Clamshell Sleep" +#define kIOPMPowerButtonSleepKey "Power Button Sleep" +#define kIOPMSoftwareSleepKey "Software Sleep" +#define kIOPMOSSwitchHibernationKey "OS Switch Sleep" +#define kIOPMIdleSleepKey "Idle Sleep" +#define kIOPMLowPowerSleepKey "Low Power Sleep" +#define kIOPMThermalEmergencySleepKey "Thermal Emergency Sleep" +#define kIOPMMaintenanceSleepKey "Maintenance Sleep" + +/* + * String constants for communication with PM CPU + */ +#define kIOPMRootDomainLidCloseCString "LidClose" +#define kIOPMRootDomainBatPowerCString "BatPower" + +/* + * Supported Feature bitfields for IOPMrootDomain::publishFeature() + */ enum { - kIOPMAutoWakeSetting = 1, - kIOPMAutoPowerOnSetting, - kIOPMWakeOnRingSetting, - kIOPMAutoRestartOnPowerLossSetting, - kIOPMWakeOnLidSetting, - kIOPMWakeOnACChangeSetting, - kIOPMTimeZoneSetting + kIOPMSupportedOnAC = (1<<0), + kIOPMSupportedOnBatt = (1<<1), + kIOPMSupportedOnUPS = (1<<2) }; -typedef int IOPMSystemSettingType; +typedef IOReturn (*IOPMSettingControllerCallback) + (OSObject *target, const OSSymbol *type, + OSObject *val, uintptr_t refcon); +__BEGIN_DECLS +IONotifier * registerSleepWakeInterest( + IOServiceInterestHandler, void *, void * = 0); + +IONotifier * registerPrioritySleepWakeInterest( + IOServiceInterestHandler handler, + void * self, void * ref = 0); -typedef IOReturn (*IOPMSettingControllerCallback)(IOPMSystemSettingType arg_type, int arg_val, void *info); +IOReturn acknowledgeSleepWakeNotification(void * ); -extern "C" -{ - IONotifier * registerSleepWakeInterest(IOServiceInterestHandler, void *, void * = 0); - IONotifier * registerPrioritySleepWakeInterest(IOServiceInterestHandler handler, void * self, void * ref = 0); - IOReturn acknowledgeSleepWakeNotification(void * ); - IOReturn vetoSleepWakeNotification(void * PMrefcon); - IOReturn rootDomainRestart ( void ); - IOReturn rootDomainShutdown ( void ); -} +IOReturn vetoSleepWakeNotification(void * PMrefcon); +__END_DECLS #define IOPM_ROOTDOMAIN_REV 2 class IOPMrootDomain: public IOService { -OSDeclareDefaultStructors(IOPMrootDomain) - + OSDeclareFinalStructors(IOPMrootDomain) + public: + static IOPMrootDomain * construct( void ); - class IOService * wrangler; // we tickle the wrangler on button presses, etc + virtual bool start( IOService * provider ); + virtual IOReturn setAggressiveness( unsigned long, unsigned long ); + virtual IOReturn getAggressiveness( unsigned long, unsigned long * ); - static IOPMrootDomain * construct( void ); - virtual bool start( IOService * provider ); - virtual IOReturn setAggressiveness ( unsigned long, unsigned long ); - virtual IOReturn youAreRoot ( void ); - virtual IOReturn sleepSystem ( void ); - virtual IOReturn setProperties ( OSObject * ); - IOReturn shutdownSystem ( void ); - IOReturn restartSystem ( void ); - virtual IOReturn receivePowerNotification (UInt32 msg); - virtual void setSleepSupported( IOOptionBits flags ); - virtual IOOptionBits getSleepSupported(); - virtual IOReturn requestPowerDomainState ( IOPMPowerFlags, IOPowerConnection *, unsigned long ); - virtual void handleSleepTimerExpiration ( void ); - void stopIgnoringClamshellEventsDuringWakeup ( void ); - void wakeFromDoze( void ); - void broadcast_it (unsigned long, unsigned long ); - void publishFeature( const char *feature ); - void unIdleDevice( IOService *, unsigned long ); - void announcePowerSourceChange( void ); + virtual IOReturn sleepSystem( void ); + IOReturn sleepSystemOptions( OSDictionary *options ); + + virtual IOReturn setProperties( OSObject * ); + virtual bool serializeProperties( OSSerialize * s ) const; + +/*! @function systemPowerEventOccurred + @abstract Other drivers may inform IOPMrootDomain of system PM events + @discussion systemPowerEventOccurred is a richer alternative to receivePowerNotification() + Only Apple-owned kexts should have reason to call systemPowerEventOccurred. + @param event An OSSymbol describing the type of power event. + @param value A 32-bit integer value associated with the event. + @param shouldUpdate indicates whether the root domain should send a notification + to interested parties. Pass false if you're calling systemPowerEventOccurred + several times in succession; and pass true only on the last invocatino. + @result kIOReturnSuccess on success */ + + IOReturn systemPowerEventOccurred( + const OSSymbol *event, + uint32_t intValue ); + + IOReturn systemPowerEventOccurred( + const OSSymbol *event, + OSObject *value ); + + virtual IOReturn receivePowerNotification( UInt32 msg ); + + virtual void setSleepSupported( IOOptionBits flags ); + + virtual IOOptionBits getSleepSupported( void ); + + void wakeFromDoze( void ); + + // KEXT driver announces support of power management feature + + void publishFeature( const char *feature ); + + // KEXT driver announces support of power management feature + // And specifies power sources with kIOPMSupportedOn{AC/Batt/UPS} bitfield. + // Returns a unique uint32_t identifier for later removing support for this + // feature. + // NULL is acceptable for uniqueFeatureID for kexts without plans to unload. + + void publishFeature( const char *feature, + uint32_t supportedWhere, + uint32_t *uniqueFeatureID); + + // KEXT driver announces removal of a previously published power management + // feature. Pass 'uniqueFeatureID' returned from publishFeature() + + IOReturn removePublishedFeature( uint32_t removeFeatureID ); + +/*! @function copyPMSetting + @abstract Copy the current value for a PM setting. Returns an OSNumber or + OSData depending on the setting. + @param whichSetting Name of the desired setting. + @result OSObject value if valid, NULL otherwise. */ + + OSObject * copyPMSetting( OSSymbol *whichSetting ); + +/*! @function registerPMSettingController + @abstract Register for callbacks on changes to certain PM settings. + @param settings NULL terminated array of C strings, each string for a PM + setting that the caller is interested in and wants to get callbacks for. + @param callout C function ptr or member function cast as such. + @param target The target of the callback, usually 'this' + @param refcon Will be passed to caller in callback; for caller's use. + @param handle Caller should keep the OSObject * returned here. If non-NULL, + handle will have a retain count of 1 on return. To deregister, pass to + unregisterPMSettingController() + @result kIOReturnSuccess on success. */ + + IOReturn registerPMSettingController( + const OSSymbol *settings[], + IOPMSettingControllerCallback callout, + OSObject *target, + uintptr_t refcon, + OSObject **handle); // out param + +/*! @function registerPMSettingController + @abstract Register for callbacks on changes to certain PM settings. + @param settings NULL terminated array of C strings, each string for a PM + setting that the caller is interested in and wants to get callbacks for. + @param supportedPowerSources bitfield indicating which power sources these + settings are supported for (kIOPMSupportedOnAC, etc.) + @param callout C function ptr or member function cast as such. + @param target The target of the callback, usually 'this' + @param refcon Will be passed to caller in callback; for caller's use. + @param handle Caller should keep the OSObject * returned here. If non-NULL, + handle will have a retain count of 1 on return. To deregister, pass to + unregisterPMSettingController() + @result kIOReturnSuccess on success. */ + + IOReturn registerPMSettingController( + const OSSymbol *settings[], + uint32_t supportedPowerSources, + IOPMSettingControllerCallback callout, + OSObject *target, + uintptr_t refcon, + OSObject **handle); // out param + + virtual IONotifier * registerInterest( + const OSSymbol * typeOfInterest, + IOServiceInterestHandler handler, + void * target, void * ref = 0 ); + + virtual IOReturn callPlatformFunction( + const OSSymbol *functionName, + bool waitForFunction, + void *param1, void *param2, + void *param3, void *param4 ); + +/*! @function createPMAssertion + @abstract Creates an assertion to influence system power behavior. + @param whichAssertionBits A bitfield specify the assertion that the caller requests. + @param assertionLevel An integer detailing the initial assertion level, kIOPMDriverAssertionLevelOn + or kIOPMDriverAssertionLevelOff. + @param ownerService A pointer to the caller's IOService class, for tracking. + @param ownerDescription A reverse-DNS string describing the caller's identity and reason. + @result On success, returns a new assertion of type IOPMDriverAssertionID +*/ + IOPMDriverAssertionID createPMAssertion( + IOPMDriverAssertionType whichAssertionsBits, + IOPMDriverAssertionLevel assertionLevel, + IOService *ownerService, + const char *ownerDescription); + +/* @function setPMAssertionLevel + @abstract Modify the level of a pre-existing assertion. + @discussion Change the value of a PM assertion to influence system behavior, + without undergoing the work required to create or destroy an assertion. Suggested + for clients who will assert and de-assert needs for PM behavior several times over + their lifespan. + @param assertionID An assertion ID previously returned by createPMAssertion + @param assertionLevel The new assertion level. + @result kIOReturnSuccess if it worked; kIOReturnNotFound or other IOReturn error on failure. +*/ + IOReturn setPMAssertionLevel(IOPMDriverAssertionID assertionID, IOPMDriverAssertionLevel assertionLevel); + +/*! @function getPMAssertionLevel + @absract Returns the active level of the specified assertion(s). + @discussion Returns kIOPMDriverAssertionLevelOff or + kIOPMDriverAssertionLevelOn. If multiple assertions are specified + in the bitfield, only returns kIOPMDriverAssertionLevelOn + if all assertions are active. + @param whichAssertionBits Bits defining the assertion or assertions the caller is interested in + the level of. If in doubt, pass kIOPMDriverAssertionCPUBit as the argument. + @result Returns kIOPMDriverAssertionLevelOff or + kIOPMDriverAssertionLevelOn indicating the specified assertion's levels, if available. + If the assertions aren't supported on this machine, or aren't recognized by the OS, the + result is undefined. +*/ + IOPMDriverAssertionLevel getPMAssertionLevel(IOPMDriverAssertionType whichAssertionBits); + +/*! @function releasePMAssertion + @abstract Removes an assertion to influence system power behavior. + @result On success, returns a new assertion of type IOPMDriverAssertionID * +*/ + IOReturn releasePMAssertion(IOPMDriverAssertionID releaseAssertion); - // Override of these methods for logging purposes. - virtual IOReturn changePowerStateTo ( unsigned long ordinal ); - virtual IOReturn changePowerStateToPriv ( unsigned long ordinal ); +private: + virtual IOReturn changePowerStateTo( unsigned long ordinal ); + virtual IOReturn changePowerStateToPriv( unsigned long ordinal ); + virtual IOReturn requestPowerDomainState( IOPMPowerFlags, IOPowerConnection *, unsigned long ); + virtual void powerChangeDone( unsigned long ); + virtual bool tellChangeDown( unsigned long ); + virtual bool askChangeDown( unsigned long ); + virtual void tellChangeUp( unsigned long ); + virtual void tellNoChangeDown( unsigned long ); +#ifdef XNU_KERNEL_PRIVATE + /* Root Domain internals */ +public: + void tagPowerPlaneService( + IOService * service, + IOPMActions * actions ); + + void overrideOurPowerChange( + IOService * service, + IOPMActions * actions, + unsigned long * inOutPowerState, + uint32_t * inOutChangeFlags ); + + void handleOurPowerChangeStart( + IOService * service, + IOPMActions * actions, + uint32_t powerState, + uint32_t * inOutChangeFlags ); + + void handleOurPowerChangeDone( + IOService * service, + IOPMActions * actions, + uint32_t powerState, + uint32_t changeFlags ); + + void overridePowerChangeForUIService( + IOService * service, + IOPMActions * actions, + unsigned long * inOutPowerState, + uint32_t * inOutChangeFlags ); + + void handleActivityTickleForDisplayWrangler( + IOService * service, + IOPMActions * actions ); + + bool shouldDelayChildNotification( + IOService * service ); + + void handlePowerChangeStartForPCIDevice( + IOService * service, + IOPMActions * actions, + uint32_t powerState, + uint32_t * inOutChangeFlags ); + + void handlePowerChangeDoneForPCIDevice( + IOService * service, + IOPMActions * actions, + uint32_t powerState, + uint32_t changeFlags ); + + void askChangeDownDone( + IOPMPowerChangeFlags * inOutChangeFlags, + bool * cancel ); + + void handlePublishSleepWakeUUID( + bool shouldPublish); + + void handleQueueSleepWakeUUID( + OSObject *obj); + + void handleSuspendPMNotificationClient( + uint32_t pid, bool doSuspend); + + IOReturn setMaintenanceWakeCalendar( + const IOPMCalendarStruct * calendar ); + + // Handle callbacks from IOService::systemWillShutdown() + void acknowledgeSystemWillShutdown( IOService * from ); + + // Handle platform halt and restart notifications + void handlePlatformHaltRestart( UInt32 pe_type ); + + IOReturn shutdownSystem( void ); + IOReturn restartSystem( void ); + void handleSleepTimerExpiration( void ); - IOReturn registerPMSettingController(IOPMSettingControllerCallback, void *); + bool activitySinceSleep(void); + bool abortHibernation(void); + + IOReturn joinAggressiveness( IOService * service ); + void handleAggressivesRequests( void ); + + void tracePoint( uint8_t point ); + void tracePoint( uint8_t point, uint8_t data ); + void traceDetail( uint32_t data32 ); + + bool systemMessageFilter( + void * object, void * arg1, void * arg2, void * arg3 ); + + void updatePreventIdleSleepList( + IOService * service, bool addNotRemove ); + void updatePreventSystemSleepList( + IOService * service, bool addNotRemove ); + + void publishPMSetting( + const OSSymbol * feature, uint32_t where, uint32_t * featureID ); + +/*! @function recordPMEvent + @abstract Logs IOService PM event timing. + @discussion Should only be called from IOServicePM. Should not be exported. + @result kIOReturn on success. +*/ + IOReturn recordPMEvent( PMEventDetails *details ); + IOReturn recordAndReleasePMEvent( PMEventDetails *details ); + IOReturn recordPMEventGated( PMEventDetails *details ); + IOReturn recordAndReleasePMEventGated( PMEventDetails *details ); + + void pmStatsRecordEvent( + int eventIndex, + AbsoluteTime timestamp); + + void pmStatsRecordApplicationResponse( + const OSSymbol *response, + const char *name, + int messageType, + uint32_t delay_ms, + int app_pid); + + +/*! @function suspendPMNotificationsForPID + @abstract kernel process management calls this to disable sleep/wake notifications + when a process is suspended. + @param pid the process ID + @param doSuspend true suspends the notifications; false enables them +*/ + void suspendPMNotificationsForPID( uint32_t pid, bool doSuspend); + +/*! @function pmNotificationIsSuspended + @abstract returns true if PM notifications have been suspended + @param pid the process ID + @result true if the process has been suspended +*/ + bool pmNotificationIsSuspended( uint32_t pid ); + + +#if HIBERNATION + bool getHibernateSettings( + uint32_t * hibernateMode, + uint32_t * hibernateFreeRatio, + uint32_t * hibernateFreeTime ); +#endif private: + friend class PMSettingObject; + friend class RootDomainUserClient; + friend class PMAssertionsTracker; - class IORootParent * patriarch; // points to our parent - long sleepSlider; // pref: idle time before idle sleep - long longestNonSleepSlider; // pref: longest of other idle times - long extraSleepDelay; // sleepSlider - longestNonSleepSlider - thread_call_t extraSleepTimer; // used to wait between say display idle and system idle - thread_call_t clamshellWakeupIgnore; // Used to ignore clamshell close events while we're waking from sleep - - virtual void powerChangeDone ( unsigned long ); - virtual void command_received ( void *, void * , void * , void *); - virtual bool tellChangeDown ( unsigned long stateNum); - virtual bool askChangeDown ( unsigned long stateNum); - virtual void tellChangeUp ( unsigned long ); - virtual void tellNoChangeDown ( unsigned long ); - void reportUserInput ( void ); static IOReturn sysPowerDownHandler( void * target, void * refCon, UInt32 messageType, IOService * service, void * messageArgument, vm_size_t argSize ); @@ -124,69 +476,259 @@ private: UInt32 messageType, IOService * service, void * messageArgument, vm_size_t argSize ); - static bool displayWranglerPublished( void * target, void * refCon, - IOService * newService); + static IOReturn rootBusyStateChangeHandler( void * target, void * refCon, + UInt32 messageType, IOService * service, + void * messageArgument, vm_size_t argSize ); + + static bool displayWranglerMatchPublished( void * target, void * refCon, + IOService * newService, + IONotifier * notifier); - static bool batteryLocationPublished( void * target, void * refCon, - IOService * resourceService ); + static bool batteryPublished( void * target, void * refCon, + IOService * resourceService, + IONotifier * notifier); - void setQuickSpinDownTimeout ( void ); - void adjustPowerState( void ); - void restoreUserSpinDownTimeout ( void ); + IOService * wrangler; IOLock *featuresDictLock; // guards supportedFeatures IOPMPowerStateQueue *pmPowerStateQueue; - unsigned int user_spindown; // User's selected disk spindown value - - unsigned int systemBooting:1; - unsigned int ignoringClamshell:1; - unsigned int allowSleep:1; - unsigned int sleepIsSupported:1; - unsigned int canSleep:1; - unsigned int idleSleepPending:1; - unsigned int sleepASAP:1; - unsigned int desktopMode:1; - - unsigned int acAdaptorConnect:1; - unsigned int ignoringClamshellDuringWakeup:1; - unsigned int reservedA:6; - unsigned char reservedB[3]; + + OSArray *allowedPMSettings; + OSArray *noPublishPMSettings; + PMTraceWorker *pmTracer; + PMAssertionsTracker *pmAssertions; + + // Settings controller info + IOLock *settingsCtrlLock; + OSDictionary *settingsCallbacks; + OSDictionary *fPMSettingsDict; + + IONotifier *_batteryPublishNotifier; + IONotifier *_displayWranglerNotifier; + + // Statistics + const OSSymbol *_statsNameKey; + const OSSymbol *_statsPIDKey; + const OSSymbol *_statsTimeMSKey; + const OSSymbol *_statsResponseTypeKey; + const OSSymbol *_statsMessageTypeKey; - struct PMSettingCtrl { - IOPMSettingControllerCallback func; - void *refcon; + OSString *queuedSleepWakeUUIDString; + OSArray *pmStatsAppResponses; + + bool uuidPublished; + + // Pref: idle time before idle sleep + unsigned long sleepSlider; + unsigned long idleSeconds; + uint64_t autoWakeStart; + uint64_t autoWakeEnd; + + // Difference between sleepSlider and longestNonSleepSlider + unsigned long extraSleepDelay; + + // Used to wait between say display idle and system idle + thread_call_t extraSleepTimer; + thread_call_t diskSyncCalloutEntry; + + // IOPMActions parameter encoding + enum { + kPMActionsFlagIsDisplayWrangler = 0x00000001, + kPMActionsFlagIsGraphicsDevice = 0x00000002, + kPMActionsFlagIsAudioDevice = 0x00000004, + kPMActionsFlagLimitPower = 0x00000008, + kPMActionsPCIBitNumberMask = 0x000000ff }; - // Private helper to call PM setting controller - IOReturn setPMSetting(int type, OSNumber *); - - struct ExpansionData { - PMSettingCtrl *_settingController; - thread_call_t diskSyncCalloutEntry; - IONotifier *_batteryLocationNotifier; - IONotifier *_displayWranglerNotifier; + // Track system capabilities. + uint32_t _desiredCapability; + uint32_t _currentCapability; + uint32_t _pendingCapability; + uint32_t _highestCapability; + OSSet * _joinedCapabilityClients; + uint32_t _systemStateGeneration; + + // Type of clients that can receive system messages. + enum { + kSystemMessageClientConfigd = 0x01, + kSystemMessageClientApp = 0x02, + kSystemMessageClientUser = 0x03, + kSystemMessageClientKernel = 0x04, + kSystemMessageClientAll = 0x07 }; - ExpansionData *_reserved; - IOOptionBits platformSleepSupport; + uint32_t _systemMessageClientMask; + + // Power state and capability change transitions. + enum { + kSystemTransitionNone = 0, + kSystemTransitionSleep = 1, + kSystemTransitionWake = 2, + kSystemTransitionCapability = 3, + kSystemTransitionNewCapClient = 4 + } _systemTransitionType; + + unsigned int systemBooting :1; + unsigned int systemShutdown :1; + unsigned int systemDarkWake :1; + unsigned int clamshellExists :1; + unsigned int clamshellClosed :1; + unsigned int clamshellDisabled :1; + unsigned int desktopMode :1; + unsigned int acAdaptorConnected :1; + + unsigned int idleSleepTimerPending :1; + unsigned int userDisabledAllSleep :1; + unsigned int ignoreTellChangeDown :1; + unsigned int wranglerAsleep :1; + unsigned int wranglerTickled :1; + unsigned int wranglerSleepIgnored :1; + unsigned int graphicsSuppressed :1; + unsigned int darkWakeThermalAlarm :1; + + unsigned int capabilityLoss :1; + unsigned int pciCantSleepFlag :1; + unsigned int pciCantSleepValid :1; + unsigned int logWranglerTickle :1; + unsigned int logGraphicsClamp :1; + unsigned int darkWakeToSleepASAP :1; + unsigned int darkWakeMaintenance :1; + unsigned int darkWakeSleepService :1; + + unsigned int darkWakePostTickle :1; + unsigned int sleepTimerMaintenance :1; + unsigned int lowBatteryCondition :1; + unsigned int darkWakeThermalEmergency:1; + unsigned int hibernateDisabled :1; + unsigned int hibernateNoDefeat :1; + unsigned int rejectWranglerTickle :1; + unsigned int wranglerTickleLatched :1; + + uint32_t hibernateMode; + uint32_t userActivityCount; + uint32_t userActivityAtSleep; + uint32_t lastSleepReason; + uint32_t hibernateAborted; + + // Info for communicating system state changes to PMCPU + int32_t idxPMCPUClamshell; + int32_t idxPMCPULimitedPower; + + IOOptionBits platformSleepSupport; + uint32_t _debugWakeSeconds; + uint32_t _lastDebugWakeSeconds; + + queue_head_t aggressivesQueue; + thread_call_t aggressivesThreadCall; + OSData * aggressivesData; + + AbsoluteTime wranglerSleepTime; + AbsoluteTime systemWakeTime; + + // PCI top-level PM trace + IOService * pciHostBridgeDevice; + IOService * pciHostBridgeDriver; + + IONotifier * systemCapabilityNotifier; + + IOPMTimeline *timeline; + + typedef struct { + uint32_t pid; + uint32_t refcount; + } PMNotifySuspendedStruct; + + uint32_t pmSuspendedCapacity; + uint32_t pmSuspendedSize; + PMNotifySuspendedStruct *pmSuspendedPIDS; + + OSSet * preventIdleSleepList; + OSSet * preventSystemSleepList; + +#if HIBERNATION + clock_sec_t _standbyTimerResetSeconds; +#endif + + int findSuspendedPID(uint32_t pid, uint32_t *outRefCount); + + // IOPMrootDomain internal sleep call + IOReturn privateSleepSystem( uint32_t sleepReason ); + void reportUserInput( void ); + bool checkSystemCanSleep( IOOptionBits options = 0 ); + bool checkSystemCanSustainFullWake( void ); + + void adjustPowerState( bool sleepASAP = false ); + void setQuickSpinDownTimeout( void ); + void restoreUserSpinDownTimeout( void ); + + bool shouldSleepOnClamshellClosed(void ); + void sendClientClamshellNotification( void ); + + // Inform PMCPU of changes to state like lid, AC vs. battery + void informCPUStateChange( uint32_t type, uint32_t value ); + + void dispatchPowerEvent( uint32_t event, void * arg0, uint64_t arg1 ); + void handlePowerNotification( UInt32 msg ); + + IOReturn setPMSetting(const OSSymbol *, OSObject *); + + void startIdleSleepTimer( uint32_t inSeconds ); + void cancelIdleSleepTimer( void ); + + IOReturn setAggressiveness( + unsigned long type, + unsigned long value, + IOOptionBits options ); + + void synchronizeAggressives( + queue_head_t * services, + const AggressivesRecord * array, + int count ); + + void broadcastAggressives( + const AggressivesRecord * array, + int count ); + + // getPMTraceMemoryDescriptor should only be called by our friend RootDomainUserClient + IOMemoryDescriptor *getPMTraceMemoryDescriptor(void); + + IOReturn setPMAssertionUserLevels(IOPMDriverAssertionType); + + void publishSleepWakeUUID( bool shouldPublish ); + + void evaluatePolicy( int stimulus, uint32_t arg = 0 ); + + void evaluateAssertions(IOPMDriverAssertionType newAssertions, + IOPMDriverAssertionType oldAssertions); + + void deregisterPMSettingObject( PMSettingObject * pmso ); + +#if HIBERNATION + bool getSleepOption( const char * key, uint32_t * option ); + bool evaluateSystemSleepPolicy( IOPMSystemSleepParameters * p, int sleepPhase ); + void evaluateSystemSleepPolicyEarly( void ); + void evaluateSystemSleepPolicyFinal( void ); +#endif /* HIBERNATION */ + + bool latchDisplayWranglerTickle( bool latch ); +#endif /* XNU_KERNEL_PRIVATE */ }; +#ifdef XNU_KERNEL_PRIVATE class IORootParent: public IOService { -OSDeclareDefaultStructors(IORootParent) + OSDeclareFinalStructors(IORootParent) -private: - unsigned long mostRecentChange; - public: - - bool start ( IOService * nub ); - void shutDownSystem ( void ); - void restartSystem ( void ); - void sleepSystem ( void ); - void dozeSystem ( void ); - void sleepToDoze ( void ); - void wakeSystem ( void ); + static void initialize( void ); + virtual OSObject * copyProperty( const char * aKey ) const; + bool start( IOService * nub ); + void shutDownSystem( void ); + void restartSystem( void ); + void sleepSystem( void ); + void dozeSystem( void ); + void sleepToDoze( void ); + void wakeSystem( void ); }; +#endif /* XNU_KERNEL_PRIVATE */ - -#endif /* _IOKIT_ROOTDOMAIN_H */ +#endif /* _IOKIT_ROOTDOMAIN_H */