1 /* 2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 /* 29 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. 30 * 31 * DRI: Josh de Cesare 32 * 33 */ 34 35 #ifndef _IOKIT_CPU_H 36 #define _IOKIT_CPU_H 37 38 extern "C" { 39 #include <pexpert/pexpert.h> 40 } 41 42 #include <machine/machine_routines.h> 43 #include <IOKit/IOService.h> 44 #include <IOKit/IOInterruptController.h> 45 #include <IOKit/IOPlatformActions.h> 46 #include <libkern/c++/OSPtr.h> 47 48 enum { 49 kIOCPUStateUnregistered = 0, 50 kIOCPUStateUninitalized, 51 kIOCPUStateStopped, 52 kIOCPUStateRunning, 53 kIOCPUStateCount 54 }; 55 56 class IOCPU : public IOService 57 { 58 OSDeclareAbstractStructors(IOCPU); 59 60 private: 61 OSPtr<OSArray> _cpuGroup; 62 UInt32 _cpuNumber; 63 UInt32 _cpuState; 64 65 protected: 66 IOService *cpuNub; 67 processor_t machProcessor; 68 ipi_handler_t ipi_handler; 69 70 struct ExpansionData { }; 71 ExpansionData *iocpu_reserved; 72 73 virtual void setCPUNumber(UInt32 cpuNumber); 74 virtual void setCPUState(UInt32 cpuState); 75 76 public: 77 virtual bool start(IOService *provider) APPLE_KEXT_OVERRIDE; 78 virtual void detach(IOService *provider) APPLE_KEXT_OVERRIDE; 79 80 virtual OSObject *getProperty(const OSSymbol *aKey) const APPLE_KEXT_OVERRIDE; 81 virtual bool setProperty(const OSSymbol *aKey, OSObject *anObject) APPLE_KEXT_OVERRIDE; 82 virtual bool serializeProperties(OSSerialize *serialize) const APPLE_KEXT_OVERRIDE; 83 virtual IOReturn setProperties(OSObject *properties) APPLE_KEXT_OVERRIDE; 84 virtual void initCPU(bool boot) = 0; 85 virtual void quiesceCPU(void) = 0; 86 virtual kern_return_t startCPU(vm_offset_t start_paddr, 87 vm_offset_t arg_paddr) = 0; 88 virtual void haltCPU(void) = 0; 89 virtual void signalCPU(IOCPU *target); 90 virtual void signalCPUDeferred(IOCPU * target); 91 virtual void signalCPUCancel(IOCPU * target); 92 virtual void enableCPUTimeBase(bool enable); 93 94 virtual UInt32 getCPUNumber(void); 95 virtual UInt32 getCPUState(void); 96 virtual OSArray *getCPUGroup(void); 97 virtual UInt32 getCPUGroupSize(void); 98 virtual processor_t getMachProcessor(void); 99 100 virtual const OSSymbol *getCPUName(void) = 0; 101 102 OSMetaClassDeclareReservedUnused(IOCPU, 0); 103 OSMetaClassDeclareReservedUnused(IOCPU, 1); 104 OSMetaClassDeclareReservedUnused(IOCPU, 2); 105 OSMetaClassDeclareReservedUnused(IOCPU, 3); 106 OSMetaClassDeclareReservedUnused(IOCPU, 4); 107 OSMetaClassDeclareReservedUnused(IOCPU, 5); 108 OSMetaClassDeclareReservedUnused(IOCPU, 6); 109 OSMetaClassDeclareReservedUnused(IOCPU, 7); 110 }; 111 112 class IOCPUInterruptController : public IOInterruptController 113 { 114 OSDeclareDefaultStructors(IOCPUInterruptController); 115 116 private: 117 int enabledCPUs; 118 119 protected: 120 int numCPUs; 121 int numSources; 122 123 struct ExpansionData { }; 124 ExpansionData *iocpuic_reserved; 125 126 public: 127 virtual IOReturn initCPUInterruptController(int sources); 128 virtual void registerCPUInterruptController(void); 129 virtual void enableCPUInterrupt(IOCPU *cpu); 130 131 virtual void setCPUInterruptProperties(IOService *service) APPLE_KEXT_OVERRIDE; 132 virtual IOReturn registerInterrupt(IOService *nub, int source, 133 void *target, 134 IOInterruptHandler handler, 135 void *refCon) APPLE_KEXT_OVERRIDE; 136 137 virtual IOReturn getInterruptType(IOService *nub, int source, 138 int *interruptType) APPLE_KEXT_OVERRIDE; 139 140 virtual IOReturn enableInterrupt(IOService *nub, int source) APPLE_KEXT_OVERRIDE; 141 virtual IOReturn disableInterrupt(IOService *nub, int source) APPLE_KEXT_OVERRIDE; 142 virtual IOReturn causeInterrupt(IOService *nub, int source) APPLE_KEXT_OVERRIDE; 143 144 virtual IOReturn handleInterrupt(void *refCon, IOService *nub, 145 int source) APPLE_KEXT_OVERRIDE; 146 147 virtual IOReturn initCPUInterruptController(int sources, int cpus); 148 149 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 1); 150 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 2); 151 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 3); 152 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 4); 153 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 5); 154 }; 155 156 #endif /* ! _IOKIT_CPU_H */ 157