* Copyright (c) 2007 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* 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
* 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.
- *
+ *
* 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,
* 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_OSREFERENCE_LICENSE_HEADER_END@
*/
//******************************************************************************
enum {
- /* Command Types */
- kIOPMRequestTypeInvalid = 0x00,
- kIOPMRequestTypePMStop = 0x01,
- kIOPMRequestTypeAddPowerChild1 = 0x02,
- kIOPMRequestTypeAddPowerChild2 = 0x03,
- kIOPMRequestTypeAddPowerChild3 = 0x04,
- kIOPMRequestTypeRegisterPowerDriver = 0x05,
- kIOPMRequestTypeAdjustPowerState = 0x06,
- kIOPMRequestTypePowerDomainWillChange = 0x07,
- kIOPMRequestTypePowerDomainDidChange = 0x08,
- kIOPMRequestTypePowerOverrideOnPriv = 0x09,
- kIOPMRequestTypePowerOverrideOffPriv = 0x0A,
- kIOPMRequestTypeActivityTickle = 0x0B,
- kIOPMRequestTypeRequestPowerState = 0x0C,
- kIOPMRequestTypeSynchronizePowerTree = 0x0D,
- kIOPMRequestTypeRequestPowerStateOverride = 0x0E,
- kIOPMRequestTypeSetIdleTimerPeriod = 0x0F,
- kIOPMRequestTypeIgnoreIdleTimer = 0x10,
- kIOPMRequestTypeQuiescePowerTree = 0x11,
-
- /* Reply Types */
- kIOPMRequestTypeReplyStart = 0x80,
- kIOPMRequestTypeAckPowerChange = 0x81,
- kIOPMRequestTypeAckSetPowerState = 0x82,
- kIOPMRequestTypeAllowPowerChange = 0x83,
- kIOPMRequestTypeCancelPowerChange = 0x84,
- kIOPMRequestTypeInterestChanged = 0x85,
- kIOPMRequestTypeIdleCancel = 0x86,
- kIOPMRequestTypeChildNotifyDelayCancel = 0x87
+ /* Command Types */
+ kIOPMRequestTypeInvalid = 0x00,
+ kIOPMRequestTypePMStop = 0x01,
+ kIOPMRequestTypeAddPowerChild1 = 0x02,
+ kIOPMRequestTypeAddPowerChild2 = 0x03,
+ kIOPMRequestTypeAddPowerChild3 = 0x04,
+ kIOPMRequestTypeRegisterPowerDriver = 0x05,
+ kIOPMRequestTypeAdjustPowerState = 0x06,
+ kIOPMRequestTypePowerDomainWillChange = 0x07,
+ kIOPMRequestTypePowerDomainDidChange = 0x08,
+ kIOPMRequestTypePowerOverrideOnPriv = 0x09,
+ kIOPMRequestTypePowerOverrideOffPriv = 0x0A,
+ kIOPMRequestTypeActivityTickle = 0x0B,
+ kIOPMRequestTypeRequestPowerState = 0x0C,
+ kIOPMRequestTypeSynchronizePowerTree = 0x0D,
+ kIOPMRequestTypeRequestPowerStateOverride = 0x0E,
+ kIOPMRequestTypeSetIdleTimerPeriod = 0x0F,
+ kIOPMRequestTypeIgnoreIdleTimer = 0x10,
+ kIOPMRequestTypeQuiescePowerTree = 0x11,
+
+ /* Reply Types */
+ kIOPMRequestTypeReplyStart = 0x80,
+ kIOPMRequestTypeAckPowerChange = 0x81,
+ kIOPMRequestTypeAckSetPowerState = 0x82,
+ kIOPMRequestTypeAllowPowerChange = 0x83,
+ kIOPMRequestTypeCancelPowerChange = 0x84,
+ kIOPMRequestTypeInterestChanged = 0x85,
+ kIOPMRequestTypeIdleCancel = 0x86,
+ kIOPMRequestTypeChildNotifyDelayCancel = 0x87
};
//******************************************************************************
typedef void
(*IOPMActionPowerChangeStart)(
- void * target,
- IOService * service,
- IOPMActions * actions,
- IOPMPowerStateIndex powerState,
- IOPMPowerChangeFlags * changeFlags,
- IOPMRequestTag requestTag );
+ void * target,
+ IOService * service,
+ IOPMActions * actions,
+ IOPMPowerStateIndex powerState,
+ IOPMPowerChangeFlags * changeFlags,
+ IOPMRequestTag requestTag );
typedef void
(*IOPMActionPowerChangeDone)(
- void * target,
- IOService * service,
- IOPMActions * actions,
- IOPMPowerStateIndex powerState,
- IOPMPowerChangeFlags changeFlags,
- IOPMRequestTag requestTag );
+ void * target,
+ IOService * service,
+ IOPMActions * actions,
+ IOPMPowerStateIndex powerState,
+ IOPMPowerChangeFlags changeFlags,
+ IOPMRequestTag requestTag );
typedef void
(*IOPMActionPowerChangeOverride)(
- void * target,
- IOService * service,
- IOPMActions * actions,
- IOPMPowerStateIndex * powerState,
- IOPMPowerChangeFlags * changeFlags,
- IOPMRequestTag requestTag );
+ void * target,
+ IOService * service,
+ IOPMActions * actions,
+ IOPMPowerStateIndex * powerState,
+ IOPMPowerChangeFlags * changeFlags,
+ IOPMRequestTag requestTag );
typedef void
(*IOPMActionActivityTickle)(
- void * target,
- IOService * service,
- IOPMActions * actions );
+ void * target,
+ IOService * service,
+ IOPMActions * actions );
typedef void
(*IOPMActionUpdatePowerClient)(
- void * target,
- IOService * service,
- IOPMActions * actions,
- const OSSymbol * powerClient,
- IOPMPowerStateIndex oldPowerState,
- IOPMPowerStateIndex newPowerState
-);
+ void * target,
+ IOService * service,
+ IOPMActions * actions,
+ const OSSymbol * powerClient,
+ IOPMPowerStateIndex oldPowerState,
+ IOPMPowerStateIndex newPowerState
+ );
struct IOPMActions {
- void * target;
- uint32_t parameter;
- IOPMActionPowerChangeStart actionPowerChangeStart;
- IOPMActionPowerChangeDone actionPowerChangeDone;
- IOPMActionPowerChangeOverride actionPowerChangeOverride;
- IOPMActionActivityTickle actionActivityTickle;
- IOPMActionUpdatePowerClient actionUpdatePowerClient;
+ void * target;
+ uint32_t parameter;
+ IOPMActionPowerChangeStart actionPowerChangeStart;
+ IOPMActionPowerChangeDone actionPowerChangeDone;
+ IOPMActionPowerChangeOverride actionPowerChangeOverride;
+ IOPMActionActivityTickle actionActivityTickle;
+ IOPMActionUpdatePowerClient actionUpdatePowerClient;
};
// IOPMActions parameter flags
enum {
- kPMActionsFlagIsDisplayWrangler = 0x00000100,
- kPMActionsFlagIsGraphicsDevice = 0x00000200,
- kPMActionsFlagIsAudioDevice = 0x00000400,
- kPMActionsFlagLimitPower = 0x00000800,
- kPMActionsPCIBitNumberMask = 0x000000ff
+ kPMActionsFlagIsDisplayWrangler = 0x00000100,
+ kPMActionsFlagIsGraphicsDevice = 0x00000200,
+ kPMActionsFlagIsAudioDevice = 0x00000400,
+ kPMActionsFlagLimitPower = 0x00000800,
+ kPMActionsPCIBitNumberMask = 0x000000ff
};
//******************************************************************************
// Internal concise representation of IOPMPowerState
-struct IOPMPSEntry
-{
- IOPMPowerFlags capabilityFlags;
- IOPMPowerFlags outputPowerFlags;
- IOPMPowerFlags inputPowerFlags;
- uint32_t staticPower;
- uint32_t settleUpTime;
- uint32_t settleDownTime;
- IOPMPowerStateIndex stateOrder;
- IOPMPowerStateIndex stateOrderToIndex;
+struct IOPMPSEntry {
+ IOPMPowerFlags capabilityFlags;
+ IOPMPowerFlags outputPowerFlags;
+ IOPMPowerFlags inputPowerFlags;
+ uint32_t staticPower;
+ uint32_t settleUpTime;
+ uint32_t settleDownTime;
+ IOPMPowerStateIndex stateOrder;
+ IOPMPowerStateIndex stateOrderToIndex;
};
//******************************************************************************
class IOServicePM : public OSObject
{
- friend class IOService;
- friend class IOPMWorkQueue;
+ friend class IOService;
+ friend class IOPMWorkQueue;
- OSDeclareDefaultStructors( IOServicePM )
+ OSDeclareDefaultStructors( IOServicePM )
private:
- // Link IOServicePM objects on IOPMWorkQueue.
- queue_chain_t WorkChain;
+// Link IOServicePM objects on IOPMWorkQueue.
+ queue_chain_t WorkChain;
- // Queue of IOPMRequest objects.
- queue_head_t RequestHead;
+// Queue of IOPMRequest objects.
+ queue_head_t RequestHead;
- // IOService creator and owner.
- IOService * Owner;
+// IOService creator and owner.
+ IOService * Owner;
- // List of interested drivers (protected by PMLock).
- IOPMinformeeList * InterestedDrivers;
+// List of interested drivers (protected by PMLock).
+ IOPMinformeeList * InterestedDrivers;
- // How long to wait for controlling driver to acknowledge.
- IOReturn DriverTimer;
+// How long to wait for controlling driver to acknowledge.
+ IOReturn DriverTimer;
- // Current power management machine state.
- uint32_t MachineState;
+// Current power management machine state.
+ uint32_t MachineState;
- thread_call_t AckTimer;
- thread_call_t SettleTimer;
- thread_call_t IdleTimer;
- thread_call_t WatchdogTimer;
- thread_call_t SpinDumpTimer;
+ thread_call_t AckTimer;
+ thread_call_t SettleTimer;
+ thread_call_t IdleTimer;
+ thread_call_t WatchdogTimer;
+ thread_call_t SpinDumpTimer;
- IOLock * WatchdogLock;
- OSArray * BlockedArray;
- uint64_t PendingResponseDeadline;
- uint64_t WatchdogDeadline;
+ IOLock * WatchdogLock;
+ OSArray * BlockedArray;
+ uint64_t PendingResponseDeadline;
+ uint64_t WatchdogDeadline;
- // Settle time after changing power state.
- uint32_t SettleTimeUS;
- uint32_t IdleTimerGeneration;
+// Settle time after changing power state.
+ uint32_t SettleTimeUS;
+ uint32_t IdleTimerGeneration;
- // The flags describing current change note.
- IOPMPowerChangeFlags HeadNoteChangeFlags;
+// The flags describing current change note.
+ IOPMPowerChangeFlags HeadNoteChangeFlags;
- // The new power state number being changed to.
- IOPMPowerStateIndex HeadNotePowerState;
+// The new power state number being changed to.
+ IOPMPowerStateIndex HeadNotePowerState;
- // Points to the entry in the power state array.
- IOPMPSEntry * HeadNotePowerArrayEntry;
+// Points to the entry in the power state array.
+ IOPMPSEntry * HeadNotePowerArrayEntry;
- // Power flags supplied by all parents (domain).
- IOPMPowerFlags HeadNoteDomainFlags;
+// Power flags supplied by all parents (domain).
+ IOPMPowerFlags HeadNoteDomainFlags;
- // Power flags supplied by domain accounting for parent changes.
- IOPMPowerFlags HeadNoteDomainTargetFlags;
+// Power flags supplied by domain accounting for parent changes.
+ IOPMPowerFlags HeadNoteDomainTargetFlags;
- // Connection attached to the changing parent.
- IOPowerConnection * HeadNoteParentConnection;
+// Connection attached to the changing parent.
+ IOPowerConnection * HeadNoteParentConnection;
- // Power flags supplied by the changing parent.
- IOPMPowerFlags HeadNoteParentFlags;
+// Power flags supplied by the changing parent.
+ IOPMPowerFlags HeadNoteParentFlags;
- // Number of acks still outstanding.
- uint32_t HeadNotePendingAcks;
+// Number of acks still outstanding.
+ uint32_t HeadNotePendingAcks;
- // PM state lock.
- IOLock * PMLock;
-
- unsigned int InitialPowerChange :1;
- unsigned int InitialSetPowerState :1;
- unsigned int DeviceOverrideEnabled :1;
- unsigned int DoNotPowerDown :1;
- unsigned int ParentsKnowState :1;
- unsigned int StrictTreeOrder :1;
- unsigned int IdleTimerStopped :1;
- unsigned int AdjustPowerScheduled :1;
-
- unsigned int IsPreChange :1;
- unsigned int DriverCallBusy :1;
- unsigned int PCDFunctionOverride :1;
- unsigned int IdleTimerIgnored :1;
- unsigned int HasAdvisoryDesire :1;
- unsigned int AdvisoryTickleUsed :1;
- unsigned int ResetPowerStateOnWake :1;
-
- // Time of last device activity.
- AbsoluteTime DeviceActiveTimestamp;
- AbsoluteTime MaxPowerStateEntryTime;
- AbsoluteTime MaxPowerStateExitTime;
-
- // Used to protect activity flag.
- IOLock * ActivityLock;
-
- // Idle timer's period in seconds.
- unsigned long IdleTimerPeriod;
- unsigned long IdleTimerMinPowerState;
- unsigned long NextIdleTimerPeriod;
- AbsoluteTime IdleTimerStartTime;
-
- // Power state desired by a subclassed device object.
- IOPMPowerStateIndex DeviceDesire;
-
- // This is the power state we desire currently.
- IOPMPowerStateIndex DesiredPowerState;
-
- // This is what our parent thinks our need is.
- IOPMPowerFlags PreviousRequestPowerFlags;
-
- // Cache result from getName(), used in logging.
- const char * Name;
+// PM state lock.
+ IOLock * PMLock;
+
+ unsigned int InitialPowerChange :1;
+ unsigned int InitialSetPowerState :1;
+ unsigned int DeviceOverrideEnabled :1;
+ unsigned int DoNotPowerDown :1;
+ unsigned int ParentsKnowState :1;
+ unsigned int StrictTreeOrder :1;
+ unsigned int IdleTimerStopped :1;
+ unsigned int AdjustPowerScheduled :1;
+
+ unsigned int IsPreChange :1;
+ unsigned int DriverCallBusy :1;
+ unsigned int PCDFunctionOverride :1;
+ unsigned int IdleTimerIgnored :1;
+ unsigned int HasAdvisoryDesire :1;
+ unsigned int AdvisoryTickleUsed :1;
+ unsigned int ResetPowerStateOnWake :1;
+
+// Time of last device activity.
+ AbsoluteTime DeviceActiveTimestamp;
+ AbsoluteTime MaxPowerStateEntryTime;
+ AbsoluteTime MaxPowerStateExitTime;
+
+// Used to protect activity flag.
+ IOLock * ActivityLock;
+
+// Idle timer's period in seconds.
+ unsigned long IdleTimerPeriod;
+ unsigned long IdleTimerMinPowerState;
+ unsigned long NextIdleTimerPeriod;
+ AbsoluteTime IdleTimerStartTime;
+
+// Power state desired by a subclassed device object.
+ IOPMPowerStateIndex DeviceDesire;
+
+// This is the power state we desire currently.
+ IOPMPowerStateIndex DesiredPowerState;
+
+// This is what our parent thinks our need is.
+ IOPMPowerFlags PreviousRequestPowerFlags;
+
+// Cache result from getName(), used in logging.
+ const char * Name;
- // Number of power states in the power array.
- IOPMPowerStateIndex NumberOfPowerStates;
+// Number of power states in the power array.
+ IOPMPowerStateIndex NumberOfPowerStates;
- // Ordered highest power state in the power array.
- IOPMPowerStateIndex HighestPowerState;
-
- // Power state array.
- IOPMPSEntry * PowerStates;
-
- // The controlling driver.
- IOService * ControllingDriver;
-
- // Our current power state.
- IOPMPowerStateIndex CurrentPowerState;
-
- // Logical OR of power flags for each power domain parent.
- IOPMPowerFlags ParentsCurrentPowerFlags;
-
- // The highest power state we can achieve in current power domain.
- IOPMPowerStateIndex MaxPowerState;
-
- // Logical OR of all output power flags in the power state array.
- IOPMPowerFlags MergedOutputPowerFlags;
-
- // OSArray which manages responses from notified apps and clients.
- OSArray * ResponseArray;
- OSArray * NotifyClientArray;
-
- // Used to uniquely identify power management notification to apps and clients.
- UInt16 SerialNumber;
-
- // Used to communicate desired function to tellClientsWithResponse().
- // This is used because it avoids changing the signatures of the affected virtual methods.
- int OutOfBandParameter;
-
- AbsoluteTime DriverCallStartTime;
- IOPMPowerFlags CurrentCapabilityFlags;
- unsigned long CurrentPowerConsumption;
- IOPMPowerStateIndex TempClampPowerState;
- OSArray * NotifyChildArray;
- OSDictionary * PowerClients;
- thread_call_t DriverCallEntry;
- void * DriverCallParamPtr;
- IOItemCount DriverCallParamCount;
- IOItemCount DriverCallParamSlots;
- uint32_t DriverCallReason;
- uint32_t OutOfBandMessage;
- uint32_t TempClampCount;
- uint32_t OverrideMaxPowerState;
- uint32_t DeviceUsablePowerState;
-
- // Protected by ActivityLock - BEGIN
- IOPMPowerStateIndex ActivityTicklePowerState;
- IOPMPowerStateIndex AdvisoryTicklePowerState;
- uint32_t ActivityTickleCount;
- uint32_t DeviceWasActive : 1;
- uint32_t AdvisoryTickled : 1;
- // Protected by ActivityLock - END
-
- uint32_t WaitReason;
- uint32_t SavedMachineState;
-
- // Protected by PMLock - BEGIN
- struct {
- uint32_t PMStop : 1;
- uint32_t PMDriverCallWait : 1;
- } LockedFlags;
-
- queue_head_t PMDriverCallQueue;
- OSSet * InsertInterestSet;
- OSSet * RemoveInterestSet;
-
- // IOReporter Data
- uint32_t ReportClientCnt;
- void * ReportBuf;
- // Protected by PMLock - END
+// Ordered highest power state in the power array.
+ IOPMPowerStateIndex HighestPowerState;
+
+// Power state array.
+ IOPMPSEntry * PowerStates;
+
+// The controlling driver.
+ IOService * ControllingDriver;
+
+// Our current power state.
+ IOPMPowerStateIndex CurrentPowerState;
+
+// Logical OR of power flags for each power domain parent.
+ IOPMPowerFlags ParentsCurrentPowerFlags;
+
+// The highest power state we can achieve in current power domain.
+ IOPMPowerStateIndex MaxPowerState;
+
+// Logical OR of all output power flags in the power state array.
+ IOPMPowerFlags MergedOutputPowerFlags;
+
+// OSArray which manages responses from notified apps and clients.
+ OSArray * ResponseArray;
+ OSArray * NotifyClientArray;
+
+// Used to uniquely identify power management notification to apps and clients.
+ UInt16 SerialNumber;
+
+// Used to communicate desired function to tellClientsWithResponse().
+// This is used because it avoids changing the signatures of the affected virtual methods.
+ int OutOfBandParameter;
+
+ AbsoluteTime DriverCallStartTime;
+ IOPMPowerFlags CurrentCapabilityFlags;
+ unsigned long CurrentPowerConsumption;
+ IOPMPowerStateIndex TempClampPowerState;
+ OSArray * NotifyChildArray;
+ OSDictionary * PowerClients;
+ thread_call_t DriverCallEntry;
+ void * DriverCallParamPtr;
+ IOItemCount DriverCallParamCount;
+ IOItemCount DriverCallParamSlots;
+ uint32_t DriverCallReason;
+ uint32_t OutOfBandMessage;
+ uint32_t TempClampCount;
+ uint32_t OverrideMaxPowerState;
+ uint32_t DeviceUsablePowerState;
+
+// Protected by ActivityLock - BEGIN
+ IOPMPowerStateIndex ActivityTicklePowerState;
+ IOPMPowerStateIndex AdvisoryTicklePowerState;
+ uint32_t ActivityTickleCount;
+ uint32_t DeviceWasActive : 1;
+ uint32_t AdvisoryTickled : 1;
+// Protected by ActivityLock - END
+
+ uint32_t WaitReason;
+ uint32_t SavedMachineState;
+
+// Protected by PMLock - BEGIN
+ struct {
+ uint32_t PMStop : 1;
+ uint32_t PMDriverCallWait : 1;
+ } LockedFlags;
+
+ queue_head_t PMDriverCallQueue;
+ OSSet * InsertInterestSet;
+ OSSet * RemoveInterestSet;
+
+// IOReporter Data
+ uint32_t ReportClientCnt;
+ void * ReportBuf;
+// Protected by PMLock - END
#if PM_VARS_SUPPORT
- IOPMprot * PMVars;
+ IOPMprot * PMVars;
#endif
- IOPMActions PMActions;
+ IOPMActions PMActions;
- // Serialize IOServicePM state for debug output.
- IOReturn gatedSerialize( OSSerialize * s ) const;
- virtual bool serialize( OSSerialize * s ) const APPLE_KEXT_OVERRIDE;
+// Serialize IOServicePM state for debug output.
+ IOReturn gatedSerialize( OSSerialize * s ) const;
+ virtual bool serialize( OSSerialize * s ) const APPLE_KEXT_OVERRIDE;
- // PM log and trace
- void pmPrint( uint32_t event, uintptr_t param1, uintptr_t param2 ) const;
- void pmTrace( uint32_t event, uint32_t eventFunc, uintptr_t param1, uintptr_t param2 ) const;
+// PM log and trace
+ void pmPrint( uint32_t event, uintptr_t param1, uintptr_t param2 ) const;
+ void pmTrace( uint32_t event, uint32_t eventFunc, uintptr_t param1, uintptr_t param2 ) const;
};
#define fOwner pwrMgt->Owner
#define fPMActions pwrMgt->PMActions
#define StateOrder(state) (((state) < fNumberOfPowerStates) \
- ? pwrMgt->PowerStates[(state)].stateOrder \
- : (state))
-#define StateMax(a,b) (StateOrder((a)) < StateOrder((b)) ? (b) : (a))
-#define StateMin(a,b) (StateOrder((a)) < StateOrder((b)) ? (a) : (b))
+ ? pwrMgt->PowerStates[(state)].stateOrder \
+ : (state))
+#define StateMax(a, b) (StateOrder((a)) < StateOrder((b)) ? (b) : (a))
+#define StateMin(a, b) (StateOrder((a)) < StateOrder((b)) ? (a) : (b))
#define kPowerStateZero (0)
/*
-When an IOService is waiting for acknowledgement to a power change
-notification from an interested driver or the controlling driver,
-the ack timer is ticking every tenth of a second.
-(100000000 nanoseconds are one tenth of a second).
-*/
+ * When an IOService is waiting for acknowledgement to a power change
+ * notification from an interested driver or the controlling driver,
+ * the ack timer is ticking every tenth of a second.
+ * (100000000 nanoseconds are one tenth of a second).
+ */
#define ACK_TIMER_PERIOD 100000000
#if defined(__i386__) || defined(__x86_64__)
#define kIOPMExpireIdleTimer 0x8000 // Accelerate idle timer expiration
#define kIOPMRootBroadcastFlags (kIOPMSynchronize | \
- kIOPMRootChangeUp | kIOPMRootChangeDown)
+ kIOPMRootChangeUp | kIOPMRootChangeDown)
// Activity tickle request flags
#define kTickleTypePowerDrop 0x01
#define kTickleTypeAdvisory 0x08
enum {
- kDriverCallInformPreChange,
- kDriverCallInformPostChange,
- kDriverCallSetPowerState,
- kRootDomainInformPreChange
+ kDriverCallInformPreChange,
+ kDriverCallInformPostChange,
+ kDriverCallSetPowerState,
+ kRootDomainInformPreChange
};
struct DriverCallParam {
- OSObject * Target;
- IOReturn Result;
+ OSObject * Target;
+ IOReturn Result;
};
// values of OutOfBandParameter
enum {
- kNotifyApps,
- kNotifyPriority,
- kNotifyCapabilityChangeApps,
- kNotifyCapabilityChangePriority
+ kNotifyApps,
+ kNotifyPriority,
+ kNotifyCapabilityChangeApps,
+ kNotifyCapabilityChangePriority
};
typedef bool (*IOPMMessageFilter)(
- void * target, void * object, void * arg1, void * arg2, void * arg3 );
+ void * target, void * object, void * arg1, void * arg2, void * arg3 );
// used for applyToInterested
struct IOPMInterestContext {
- OSArray * responseArray;
- OSArray * notifyClients;
- uint16_t serialNumber;
- uint8_t isPreChange;
- uint8_t enableTracing;
- uint32_t maxTimeRequested;
- uint32_t messageType;
- uint32_t notifyType;
- IOService * us;
- IOPMPowerStateIndex stateNumber;
- IOPMPowerFlags stateFlags;
- IOPMPowerChangeFlags changeFlags;
- const char * errorLog;
- IOPMMessageFilter messageFilter;
+ OSArray * responseArray;
+ OSArray * notifyClients;
+ uint16_t serialNumber;
+ uint8_t isPreChange;
+ uint8_t enableTracing;
+ uint32_t maxTimeRequested;
+ uint32_t messageType;
+ uint32_t notifyType;
+ IOService * us;
+ IOPMPowerStateIndex stateNumber;
+ IOPMPowerFlags stateFlags;
+ IOPMPowerChangeFlags changeFlags;
+ const char * errorLog;
+ IOPMMessageFilter messageFilter;
};
// assertPMDriverCall() options
enum {
- kIOPMADC_NoInactiveCheck = 1
+ kIOPMADC_NoInactiveCheck = 1
};
//******************************************************************************
class IOPMRequest : public IOCommand
{
- OSDeclareDefaultStructors( IOPMRequest )
+ OSDeclareDefaultStructors( IOPMRequest )
protected:
- IOService * fTarget; // request target
- IOPMRequest * fRequestNext; // the next request in the chain
- IOPMRequest * fRequestRoot; // the root request in the call tree
- IOItemCount fWorkWaitCount; // execution blocked if non-zero
- IOItemCount fFreeWaitCount; // completion blocked if non-zero
- uint32_t fRequestType; // request type
- bool fIsQuiesceBlocker;
-
- IOPMCompletionAction fCompletionAction;
- void * fCompletionTarget;
- void * fCompletionParam;
+ IOService * fTarget; // request target
+ IOPMRequest * fRequestNext; // the next request in the chain
+ IOPMRequest * fRequestRoot; // the root request in the call tree
+ IOItemCount fWorkWaitCount;// execution blocked if non-zero
+ IOItemCount fFreeWaitCount;// completion blocked if non-zero
+ uint32_t fRequestType; // request type
+ bool fIsQuiesceBlocker;
+
+ IOPMCompletionAction fCompletionAction;
+ void * fCompletionTarget;
+ void * fCompletionParam;
public:
- uint32_t fRequestTag;
- void * fArg0;
- void * fArg1;
- void * fArg2;
-
- inline bool isWorkBlocked( void ) const
- {
- return (fWorkWaitCount != 0);
- }
-
- inline bool isFreeBlocked( void ) const
- {
- return (fFreeWaitCount != 0);
- }
-
- inline IOPMRequest * getNextRequest( void ) const
- {
- return fRequestNext;
- }
-
- inline IOPMRequest * getRootRequest( void ) const
- {
- if (fRequestRoot) return fRequestRoot;
+ uint32_t fRequestTag;
+ void * fArg0;
+ void * fArg1;
+ void * fArg2;
+
+ inline bool
+ isWorkBlocked( void ) const
+ {
+ return fWorkWaitCount != 0;
+ }
+
+ inline bool
+ isFreeBlocked( void ) const
+ {
+ return fFreeWaitCount != 0;
+ }
+
+ inline IOPMRequest *
+ getNextRequest( void ) const
+ {
+ return fRequestNext;
+ }
+
+ inline IOPMRequest *
+ getRootRequest( void ) const
+ {
+ if (fRequestRoot) {
+ return fRequestRoot;
+ }
#if NOT_READY
- if (fCompletionAction) return (IOPMRequest *) this;
+ if (fCompletionAction) {
+ return (IOPMRequest *) this;
+ }
#endif
- return 0;
- }
-
- inline uint32_t getType( void ) const
- {
- return fRequestType;
- }
-
- inline bool isReplyType( void ) const
- {
- return (fRequestType > kIOPMRequestTypeReplyStart);
- }
-
- inline IOService * getTarget( void ) const
- {
- return fTarget;
- }
-
- inline bool isQuiesceBlocker( void ) const
- {
- return fIsQuiesceBlocker;
- }
-
- inline bool isQuiesceType( void ) const
- {
- return ((kIOPMRequestTypeQuiescePowerTree == fRequestType) &&
- (fCompletionAction != 0) && (fCompletionTarget != 0));
- }
-
- inline void installCompletionAction(
- void * target,
- IOPMCompletionAction action,
- void * param )
- {
- fCompletionTarget = target;
- fCompletionAction = action;
- fCompletionParam = param;
- }
-
- static IOPMRequest * create( void );
- bool init( IOService * owner, IOOptionBits type );
- void reset( void );
- bool attachNextRequest( IOPMRequest * next );
- bool detachNextRequest( void );
- bool attachRootRequest( IOPMRequest * root );
- bool detachRootRequest( void );
+ return 0;
+ }
+
+ inline uint32_t
+ getType( void ) const
+ {
+ return fRequestType;
+ }
+
+ inline bool
+ isReplyType( void ) const
+ {
+ return fRequestType > kIOPMRequestTypeReplyStart;
+ }
+
+ inline IOService *
+ getTarget( void ) const
+ {
+ return fTarget;
+ }
+
+ inline bool
+ isQuiesceBlocker( void ) const
+ {
+ return fIsQuiesceBlocker;
+ }
+
+ inline bool
+ isQuiesceType( void ) const
+ {
+ return (kIOPMRequestTypeQuiescePowerTree == fRequestType) &&
+ (fCompletionAction != 0) && (fCompletionTarget != 0);
+ }
+
+ inline void
+ installCompletionAction(
+ void * target,
+ IOPMCompletionAction action,
+ void * param )
+ {
+ fCompletionTarget = target;
+ fCompletionAction = action;
+ fCompletionParam = param;
+ }
+
+ static IOPMRequest * create( void );
+ bool init( IOService * owner, IOOptionBits type );
+ void reset( void );
+ bool attachNextRequest( IOPMRequest * next );
+ bool detachNextRequest( void );
+ bool attachRootRequest( IOPMRequest * root );
+ bool detachRootRequest( void );
};
//******************************************************************************
class IOPMRequestQueue : public IOEventSource
{
- OSDeclareDefaultStructors( IOPMRequestQueue )
+ OSDeclareDefaultStructors( IOPMRequestQueue )
public:
- typedef bool (*Action)( IOService *, IOPMRequest *, IOPMRequestQueue * );
+ typedef bool (*Action)( IOService *, IOPMRequest *, IOPMRequestQueue * );
protected:
- queue_head_t fQueue;
- IOLock * fLock;
+ queue_head_t fQueue;
+ IOLock * fLock;
- enum { kMaxDequeueCount = 256 };
+ enum { kMaxDequeueCount = 256 };
- virtual bool checkForWork( void ) APPLE_KEXT_OVERRIDE;
- virtual void free( void ) APPLE_KEXT_OVERRIDE;
- virtual bool init( IOService * inOwner, Action inAction );
+ virtual bool checkForWork( void ) APPLE_KEXT_OVERRIDE;
+ virtual void free( void ) APPLE_KEXT_OVERRIDE;
+ virtual bool init( IOService * inOwner, Action inAction );
public:
- static IOPMRequestQueue * create( IOService * inOwner, Action inAction );
- void queuePMRequest( IOPMRequest * request );
- void queuePMRequestChain( IOPMRequest ** requests, IOItemCount count );
+ static IOPMRequestQueue * create( IOService * inOwner, Action inAction );
+ void queuePMRequest( IOPMRequest * request );
+ void queuePMRequestChain( IOPMRequest ** requests, IOItemCount count );
};
//******************************************************************************
class IOPMWorkQueue : public IOEventSource
{
- OSDeclareDefaultStructors( IOPMWorkQueue )
+ OSDeclareDefaultStructors( IOPMWorkQueue )
public:
- typedef bool (*Action)( IOService *, IOPMRequest *, IOPMWorkQueue * );
+ typedef bool (*Action)( IOService *, IOPMRequest *, IOPMWorkQueue * );
#if WORK_QUEUE_STATS
- uint64_t fStatCheckForWork;
- uint64_t fStatScanEntries;
- uint64_t fStatQueueEmpty;
- uint64_t fStatNoWorkDone;
+ uint64_t fStatCheckForWork;
+ uint64_t fStatScanEntries;
+ uint64_t fStatQueueEmpty;
+ uint64_t fStatNoWorkDone;
#endif
protected:
- queue_head_t fWorkQueue;
- Action fInvokeAction;
- Action fRetireAction;
- uint32_t fQueueLength;
- uint32_t fConsumerCount;
- volatile uint32_t fProducerCount;
- IOPMRequest * fQuiesceRequest;
- AbsoluteTime fQuiesceStartTime;
- AbsoluteTime fQuiesceFinishTime;
-
- virtual bool checkForWork( void ) APPLE_KEXT_OVERRIDE;
- virtual bool init( IOService * inOwner, Action invoke, Action retire );
- bool checkRequestQueue( queue_head_t * queue, bool * empty );
+ queue_head_t fWorkQueue;
+ Action fInvokeAction;
+ Action fRetireAction;
+ uint32_t fQueueLength;
+ uint32_t fConsumerCount;
+ volatile uint32_t fProducerCount;
+ IOPMRequest * fQuiesceRequest;
+ AbsoluteTime fQuiesceStartTime;
+ AbsoluteTime fQuiesceFinishTime;
+
+ virtual bool checkForWork( void ) APPLE_KEXT_OVERRIDE;
+ virtual bool init( IOService * inOwner, Action invoke, Action retire );
+ bool checkRequestQueue( queue_head_t * queue, bool * empty );
public:
- static IOPMWorkQueue * create( IOService * inOwner, Action invoke, Action retire );
- bool queuePMRequest( IOPMRequest * request, IOServicePM * pwrMgt );
- void signalWorkAvailable( void );
- void incrementProducerCount( void );
- void attachQuiesceRequest( IOPMRequest * quiesceRequest );
- void finishQuiesceRequest( IOPMRequest * quiesceRequest );
+ static IOPMWorkQueue * create( IOService * inOwner, Action invoke, Action retire );
+ bool queuePMRequest( IOPMRequest * request, IOServicePM * pwrMgt );
+ void signalWorkAvailable( void );
+ void incrementProducerCount( void );
+ void attachQuiesceRequest( IOPMRequest * quiesceRequest );
+ void finishQuiesceRequest( IOPMRequest * quiesceRequest );
};
//******************************************************************************
class IOPMCompletionQueue : public IOEventSource
{
- OSDeclareDefaultStructors( IOPMCompletionQueue )
+ OSDeclareDefaultStructors( IOPMCompletionQueue )
public:
- typedef bool (*Action)( IOService *, IOPMRequest *, IOPMCompletionQueue * );
+ typedef bool (*Action)( IOService *, IOPMRequest *, IOPMCompletionQueue * );
protected:
- queue_head_t fQueue;
+ queue_head_t fQueue;
- virtual bool checkForWork( void ) APPLE_KEXT_OVERRIDE;
- virtual bool init( IOService * inOwner, Action inAction );
+ virtual bool checkForWork( void ) APPLE_KEXT_OVERRIDE;
+ virtual bool init( IOService * inOwner, Action inAction );
public:
- static IOPMCompletionQueue * create( IOService * inOwner, Action inAction );
- bool queuePMRequest( IOPMRequest * request );
+ static IOPMCompletionQueue * create( IOService * inOwner, Action inAction );
+ bool queuePMRequest( IOPMRequest * request );
};
#endif /* !_IOKIT_IOSERVICEPMPRIVATE_H */
projects / apple / xnu.git / blobdiff