X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6d2010ae8f7a6078e10b361c6962983bab233e0f..d26ffc64f583ab2d29df48f13518685602bc8832:/iokit/IOKit/IOInterruptEventSource.h?ds=sidebyside diff --git a/iokit/IOKit/IOInterruptEventSource.h b/iokit/IOKit/IOInterruptEventSource.h index 2e1a82765..6acde040b 100644 --- a/iokit/IOKit/IOInterruptEventSource.h +++ b/iokit/IOKit/IOInterruptEventSource.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 1998-2016 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -42,6 +42,8 @@ HISTORY class IOService; +struct IOInterruptAccountingData; + /*! @class IOInterruptEventSource : public IOEventSource @abstract Event source for interrupt delivery to work-loop based drivers. @discussion The IOInterruptEventSource is a generic object that delivers calls interrupt routines in it's client in a guaranteed single-threaded manner. IOInterruptEventSource is part of the IOKit $link IOWorkLoop infrastructure where the semantic that one and only one action method is executing within a work-loops event chain. @@ -66,7 +68,7 @@ public: @param owner Pointer to client instance. @param sender Pointer to generation interrupt event source. @param count Number of interrupts seen before delivery. */ - typedef void (*Action)(OSObject *, IOInterruptEventSource *, int count); + typedef void (*Action)(OSObject *owner, IOInterruptEventSource *sender, int count); /*! @defined IOInterruptEventAction @discussion Backward compatibilty define for the old non-class scoped type definition. See $link IOInterruptEventSource::Action */ @@ -96,25 +98,29 @@ protected: /*! @struct ExpansionData @discussion This structure will be used to expand the capablilties of the IOWorkLoop in the future. */ - struct ExpansionData { }; + struct ExpansionData { + IOInterruptAccountingData * statistics; + }; /*! @var reserved Reserved for future use. (Internal use only) */ + APPLE_KEXT_WSHADOW_PUSH; ExpansionData *reserved; + APPLE_KEXT_WSHADOW_POP; /*! @function free @abstract Sub-class implementation of free method, disconnects from the interrupt source. */ - virtual void free(); + virtual void free() APPLE_KEXT_OVERRIDE; /*! @function checkForWork @abstract Pure Virtual member function used by IOWorkLoop for issueing a client calls. @discussion This function called when the work-loop is ready to check for any work to do and then to call out the owner/action. @result Return true if this function needs to be called again before all its outstanding events have been processed. */ - virtual bool checkForWork(); + virtual bool checkForWork() APPLE_KEXT_OVERRIDE; /*! @function setWorkLoop @abstract Sub-class implementation of setWorkLoop method. */ - virtual void setWorkLoop(IOWorkLoop *inWorkLoop); + virtual void setWorkLoop(IOWorkLoop *inWorkLoop) APPLE_KEXT_OVERRIDE; public: @@ -149,13 +155,13 @@ successfully. */ @discussion A subclass implementation is expected to respect the enabled state when checkForWork is called. Calling this function will cause the work-loop to be signalled so that a checkForWork is performed. */ - virtual void enable(); + virtual void enable() APPLE_KEXT_OVERRIDE; /*! @function disable @abstract Disable event source. @discussion A subclass implementation is expected to respect the enabled state when checkForWork is called. */ - virtual void disable(); + virtual void disable() APPLE_KEXT_OVERRIDE; /*! @function getProvider @abstract Get'ter for $link provider variable. @@ -203,6 +209,7 @@ state when checkForWork is called. */ private: IOReturn registerInterruptHandler(IOService *inProvider, int inIntIndex); + void unregisterInterruptHandler(IOService *inProvider, int inIntIndex); private: OSMetaClassDeclareReservedUnused(IOInterruptEventSource, 0);