X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6601e61aa18bf4f09af135ff61fc7f4771d23b06..c6bf4f310a33a9262d455ea4d3f0630b1255e3fe:/iokit/IOKit/IOInterruptController.h?ds=sidebyside diff --git a/iokit/IOKit/IOInterruptController.h b/iokit/IOKit/IOInterruptController.h index 4b4216b9b..53bdcf529 100644 --- a/iokit/IOKit/IOInterruptController.h +++ b/iokit/IOKit/IOInterruptController.h @@ -1,29 +1,35 @@ /* * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. * - * @APPLE_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 Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * @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 + * 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. + * + * 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. - * - * @APPLE_LICENSE_HEADER_END@ + * 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@ */ /* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * DRI: Josh de Cesare - * + * */ @@ -38,106 +44,121 @@ class IOSharedInterruptController; struct IOInterruptVector { - volatile char interruptActive; - volatile char interruptDisabledSoft; - volatile char interruptDisabledHard; - volatile char interruptRegistered; - IOLock * interruptLock; - IOService * nub; - long source; - void * target; - IOInterruptHandler handler; - void * refCon; - IOSharedInterruptController *sharedController; + volatile char interruptActive; + volatile char interruptDisabledSoft; + volatile char interruptDisabledHard; + volatile char interruptRegistered; + IOLock * interruptLock; + IOService * nub; + int source; + void * target; + IOInterruptHandler handler; + void * refCon; + IOSharedInterruptController *sharedController; }; typedef struct IOInterruptVector IOInterruptVector; +#if __LP64__ +typedef int32_t IOInterruptVectorNumber; +#else +typedef long IOInterruptVectorNumber; +#endif class IOInterruptController : public IOService { - OSDeclareAbstractStructors(IOInterruptController); + OSDeclareAbstractStructors(IOInterruptController); protected: - IOInterruptVector *vectors; - IOSimpleLock *controllerLock; + IOInterruptVector *vectors; + IOSimpleLock *controllerLock; + + struct ExpansionData { }; + ExpansionData *ioic_reserved; - struct ExpansionData { }; - ExpansionData *reserved; +public: + virtual IOReturn registerInterrupt(IOService *nub, int source, + void *target, + IOInterruptHandler handler, + void *refCon); + virtual IOReturn unregisterInterrupt(IOService *nub, int source); + + virtual IOReturn getInterruptType(IOService *nub, int source, + int *interruptType); + + virtual IOReturn enableInterrupt(IOService *nub, int source); + virtual IOReturn disableInterrupt(IOService *nub, int source); + virtual IOReturn causeInterrupt(IOService *nub, int source); + + virtual IOInterruptAction getInterruptHandlerAddress(void); + virtual IOReturn handleInterrupt(void *refCon, IOService *nub, + int source); + +// Methods to be overridden for simplifed interrupt controller subclasses. + + virtual bool vectorCanBeShared(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector); + virtual void initVector(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector); + virtual int getVectorType(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector); + virtual void disableVectorHard(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector); + virtual void enableVector(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector); + virtual void causeVector(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector); + + OSMetaClassDeclareReservedUnused(IOInterruptController, 0); + OSMetaClassDeclareReservedUnused(IOInterruptController, 1); + OSMetaClassDeclareReservedUnused(IOInterruptController, 2); + OSMetaClassDeclareReservedUnused(IOInterruptController, 3); + OSMetaClassDeclareReservedUnused(IOInterruptController, 4); + OSMetaClassDeclareReservedUnused(IOInterruptController, 5); public: - virtual IOReturn registerInterrupt(IOService *nub, int source, - void *target, - IOInterruptHandler handler, - void *refCon); - virtual IOReturn unregisterInterrupt(IOService *nub, int source); - - virtual IOReturn getInterruptType(IOService *nub, int source, - int *interruptType); - - virtual IOReturn enableInterrupt(IOService *nub, int source); - virtual IOReturn disableInterrupt(IOService *nub, int source); - virtual IOReturn causeInterrupt(IOService *nub, int source); - - virtual IOInterruptAction getInterruptHandlerAddress(void); - virtual IOReturn handleInterrupt(void *refCon, IOService *nub, - int source); - - // Methods to be overridden for simplifed interrupt controller subclasses. - - virtual bool vectorCanBeShared(long vectorNumber, IOInterruptVector *vector); - virtual void initVector(long vectorNumber, IOInterruptVector *vector); - virtual int getVectorType(long vectorNumber, IOInterruptVector *vector); - virtual void disableVectorHard(long vectorNumber, IOInterruptVector *vector); - virtual void enableVector(long vectorNumber, IOInterruptVector *vector); - virtual void causeVector(long vectorNumber, IOInterruptVector *vector); - - OSMetaClassDeclareReservedUnused(IOInterruptController, 0); - OSMetaClassDeclareReservedUnused(IOInterruptController, 1); - OSMetaClassDeclareReservedUnused(IOInterruptController, 2); - OSMetaClassDeclareReservedUnused(IOInterruptController, 3); - OSMetaClassDeclareReservedUnused(IOInterruptController, 4); - OSMetaClassDeclareReservedUnused(IOInterruptController, 5); +// Generic methods (not to be overriden). + + void timeStampSpuriousInterrupt(void); + void timeStampInterruptHandlerStart(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector); + void timeStampInterruptHandlerEnd(IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector); + +private: + void timeStampInterruptHandlerInternal(bool isStart, IOInterruptVectorNumber vectorNumber, IOInterruptVector *vector); }; class IOSharedInterruptController : public IOInterruptController { - OSDeclareDefaultStructors(IOSharedInterruptController); - + OSDeclareDefaultStructors(IOSharedInterruptController); + private: - IOService *provider; - int numVectors; - int vectorsRegistered; - int vectorsEnabled; - volatile long controllerDisabled; - bool sourceIsLevel; + IOService *provider; + int numVectors; + int vectorsRegistered; + int vectorsEnabled; + volatile int controllerDisabled; + bool sourceIsLevel; - struct ExpansionData { }; - ExpansionData *reserved; + struct ExpansionData { }; + ExpansionData *iosic_reserved __unused; public: - virtual IOReturn initInterruptController(IOInterruptController *parentController, OSData *parentSource); - - virtual IOReturn registerInterrupt(IOService *nub, int source, - void *target, - IOInterruptHandler handler, - void *refCon); - virtual IOReturn unregisterInterrupt(IOService *nub, int source); - - virtual IOReturn getInterruptType(IOService *nub, int source, - int *interruptType); - - virtual IOReturn enableInterrupt(IOService *nub, int source); - virtual IOReturn disableInterrupt(IOService *nub, int source); - - virtual IOInterruptAction getInterruptHandlerAddress(void); - virtual IOReturn handleInterrupt(void *refCon, IOService *nub, int source); - - OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 0); - OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 1); - OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 2); - OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 3); + virtual IOReturn initInterruptController(IOInterruptController *parentController, OSData *parentSource); + + virtual IOReturn registerInterrupt(IOService *nub, int source, + void *target, + IOInterruptHandler handler, + void *refCon) APPLE_KEXT_OVERRIDE; + virtual IOReturn unregisterInterrupt(IOService *nub, int source) APPLE_KEXT_OVERRIDE; + + virtual IOReturn getInterruptType(IOService *nub, int source, + int *interruptType) APPLE_KEXT_OVERRIDE; + + virtual IOReturn enableInterrupt(IOService *nub, int source) APPLE_KEXT_OVERRIDE; + virtual IOReturn disableInterrupt(IOService *nub, int source) APPLE_KEXT_OVERRIDE; + + virtual IOInterruptAction getInterruptHandlerAddress(void) APPLE_KEXT_OVERRIDE; + virtual IOReturn handleInterrupt(void *refCon, IOService *nub, int source) APPLE_KEXT_OVERRIDE; + + OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 0); + OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 1); + OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 2); + OSMetaClassDeclareReservedUnused(IOSharedInterruptController, 3); };