FreeBSD/Linux Kernel Cross Reference
sys/iokit/IOKit/IOCPU.h

     /*
      * Copyright (c) 2000 Apple Computer, 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
      * 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, 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
     *
     */
    
    #ifndef _IOKIT_CPU_H
    #define _IOKIT_CPU_H
    
    extern "C" {
    #include <machine/machine_routines.h>
    #include <pexpert/pexpert.h>
    }
    
    #include <IOKit/IOService.h>
    #include <IOKit/IOInterruptController.h>
    
    enum {
      kIOCPUStateUnregistered = 0,
      kIOCPUStateUninitalized,
      kIOCPUStateStopped,
      kIOCPUStateRunning,
      kIOCPUStateCount
    };
    
    class IOCPUInterruptController;
    
    extern IOCPUInterruptController *gIOCPUInterruptController;
    
    class IOCPU : public IOService
    {
      OSDeclareAbstractStructors(IOCPU);
      
    private:
      OSArray                *_cpuGroup;
      UInt32                 _cpuNumber;
      UInt32                 _cpuState;
      
    protected:
      IOService              *cpuNub;
      processor_t            machProcessor;
      ipi_handler_t          ipi_handler;
    
      struct ExpansionData { };
      ExpansionData *reserved;
    
      virtual void           setCPUNumber(UInt32 cpuNumber);
      virtual void           setCPUState(UInt32 cpuState);
      
    public:
      static  void           initCPUs(void);
      
      virtual bool           start(IOService *provider);
      virtual OSObject       *getProperty(const OSSymbol *aKey) const;
      virtual bool           setProperty(const OSSymbol *aKey, OSObject *anObject);
      virtual bool           serializeProperties(OSSerialize *serialize) const;
      virtual IOReturn       setProperties(OSObject *properties);
      virtual void           initCPU(bool boot) = 0;
      virtual void           quiesceCPU(void) = 0;
      virtual kern_return_t  startCPU(vm_offset_t start_paddr,
                                      vm_offset_t arg_paddr) = 0;
      virtual void           haltCPU(void) = 0;
      virtual void           signalCPU(IOCPU *target);
      virtual void           enableCPUTimeBase(bool enable);
      
      virtual UInt32         getCPUNumber(void);
      virtual UInt32         getCPUState(void);
      virtual OSArray        *getCPUGroup(void);
      virtual UInt32         getCPUGroupSize(void);
      virtual processor_t    getMachProcessor(void);
      
     virtual const OSSymbol *getCPUName(void) = 0;
   
     OSMetaClassDeclareReservedUnused(IOCPU, 0);
     OSMetaClassDeclareReservedUnused(IOCPU, 1);
     OSMetaClassDeclareReservedUnused(IOCPU, 2);
     OSMetaClassDeclareReservedUnused(IOCPU, 3);
     OSMetaClassDeclareReservedUnused(IOCPU, 4);
     OSMetaClassDeclareReservedUnused(IOCPU, 5);
     OSMetaClassDeclareReservedUnused(IOCPU, 6);
     OSMetaClassDeclareReservedUnused(IOCPU, 7);
   };
   
   void IOCPUSleepKernel(void);
   extern "C" kern_return_t IOCPURunPlatformQuiesceActions(void);
   extern "C" kern_return_t IOCPURunPlatformActiveActions(void);
   
   class IOCPUInterruptController : public IOInterruptController
   {
     OSDeclareDefaultStructors(IOCPUInterruptController);
     
   private:
     int   enabledCPUs;
     
   protected:  
     int   numCPUs;
     IOCPU **cpus;
     
     struct ExpansionData { };
     ExpansionData *reserved;
   
   public:
     virtual IOReturn initCPUInterruptController(int sources);
     virtual void     registerCPUInterruptController(void);
     virtual void     setCPUInterruptProperties(IOService *service);
     virtual void     enableCPUInterrupt(IOCPU *cpu);
     
     virtual IOReturn registerInterrupt(IOService *nub, int source,
                                        void *target,
                                        IOInterruptHandler handler,
                                        void *refCon);
     
     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 IOReturn handleInterrupt(void *refCon, IOService *nub,
                                      int source);
   
     OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 0);
     OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 1);
     OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 2);
     OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 3);
     OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 4);
     OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 5);
   };
   
   #endif /* ! _IOKIT_CPU_H */

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