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	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 <machine/machine_routines.h>
	40	#include <pexpert/pexpert.h>
	41	}
	42
	43	#include <IOKit/IOService.h>
	44	#include <IOKit/IOInterruptController.h>
	45
	46	enum {
	47	kIOCPUStateUnregistered = 0,
	48	kIOCPUStateUninitalized,
	49	kIOCPUStateStopped,
	50	kIOCPUStateRunning,
	51	kIOCPUStateCount
	52	};
	53
	54	class IOCPU : public IOService
	55	{
	56	OSDeclareAbstractStructors(IOCPU);
	57
	58	private:
	59	OSArray *_cpuGroup;
	60	UInt32 _cpuNumber;
	61	UInt32 _cpuState;
	62
	63	protected:
	64	IOService *cpuNub;
	65	processor_t machProcessor;
	66	ipi_handler_t ipi_handler;
	67
	68	struct ExpansionData { };
	69	ExpansionData *iocpu_reserved;
	70
	71	virtual void setCPUNumber(UInt32 cpuNumber);
	72	virtual void setCPUState(UInt32 cpuState);
	73
	74	public:
	75	virtual bool start(IOService *provider) APPLE_KEXT_OVERRIDE;
	76	virtual OSObject getProperty(const OSSymbol aKey) const APPLE_KEXT_OVERRIDE;
	77	virtual bool setProperty(const OSSymbol aKey, OSObject anObject) APPLE_KEXT_OVERRIDE;
	78	virtual bool serializeProperties(OSSerialize *serialize) const APPLE_KEXT_OVERRIDE;
	79	virtual IOReturn setProperties(OSObject *properties) APPLE_KEXT_OVERRIDE;
	80	virtual void initCPU(bool boot) = 0;
	81	virtual void quiesceCPU(void) = 0;
	82	virtual kern_return_t startCPU(vm_offset_t start_paddr,
	83	vm_offset_t arg_paddr) = 0;
	84	virtual void haltCPU(void) = 0;
	85	virtual void signalCPU(IOCPU *target);
	86	virtual void signalCPUDeferred(IOCPU * target);
	87	virtual void signalCPUCancel(IOCPU * target);
	88	virtual void enableCPUTimeBase(bool enable);
	89
	90	virtual UInt32 getCPUNumber(void);
	91	virtual UInt32 getCPUState(void);
	92	virtual OSArray *getCPUGroup(void);
	93	virtual UInt32 getCPUGroupSize(void);
	94	virtual processor_t getMachProcessor(void);
	95
	96	virtual const OSSymbol *getCPUName(void) = 0;
	97
	98	OSMetaClassDeclareReservedUnused(IOCPU, 0);
	99	OSMetaClassDeclareReservedUnused(IOCPU, 1);
	100	OSMetaClassDeclareReservedUnused(IOCPU, 2);
	101	OSMetaClassDeclareReservedUnused(IOCPU, 3);
	102	OSMetaClassDeclareReservedUnused(IOCPU, 4);
	103	OSMetaClassDeclareReservedUnused(IOCPU, 5);
	104	OSMetaClassDeclareReservedUnused(IOCPU, 6);
	105	OSMetaClassDeclareReservedUnused(IOCPU, 7);
	106	};
	107
	108	void IOCPUSleepKernel(void);
	109	extern "C" kern_return_t IOCPURunPlatformQuiesceActions(void);
	110	extern "C" kern_return_t IOCPURunPlatformActiveActions(void);
	111	extern "C" kern_return_t IOCPURunPlatformHaltRestartActions(uint32_t message);
	112	extern "C" kern_return_t IOCPURunPlatformPanicActions(uint32_t message);
	113	extern "C" kern_return_t IOCPURunPlatformPanicSyncAction(void *addr, uint32_t offset, uint32_t len);
	114
	115	class IOCPUInterruptController : public IOInterruptController
	116	{
	117	OSDeclareDefaultStructors(IOCPUInterruptController);
	118
	119	private:
	120	int enabledCPUs;
	121
	122	protected:
	123	int numCPUs;
	124	int numSources;
	125
	126	struct ExpansionData { };
	127	ExpansionData *iocpuic_reserved;
	128
	129	public:
	130	virtual IOReturn initCPUInterruptController(int sources);
	131	virtual void registerCPUInterruptController(void);
	132	virtual void setCPUInterruptProperties(IOService *service);
	133	virtual void enableCPUInterrupt(IOCPU *cpu);
	134
	135	virtual IOReturn registerInterrupt(IOService *nub, int source,
	136	void *target,
	137	IOInterruptHandler handler,
	138	void *refCon) APPLE_KEXT_OVERRIDE;
	139
	140	virtual IOReturn getInterruptType(IOService *nub, int source,
	141	int *interruptType) APPLE_KEXT_OVERRIDE;
	142
	143	virtual IOReturn enableInterrupt(IOService *nub, int source) APPLE_KEXT_OVERRIDE;
	144	virtual IOReturn disableInterrupt(IOService *nub, int source) APPLE_KEXT_OVERRIDE;
	145	virtual IOReturn causeInterrupt(IOService *nub, int source) APPLE_KEXT_OVERRIDE;
	146
	147	virtual IOReturn handleInterrupt(void refCon, IOService nub,
	148	int source) APPLE_KEXT_OVERRIDE;
	149
	150	virtual IOReturn initCPUInterruptController(int sources, int cpus);
	151
	152	OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 1);
	153	OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 2);
	154	OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 3);
	155	OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 4);
	156	OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 5);
	157	};
	158
	159	#endif /* ! _IOKIT_CPU_H */