[apple/xnu.git] / iokit / IOKit / IOPlatformExpert.h

/*
 * Copyright (c) 1998-2000 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) 1998 Apple Computer, Inc.  All rights reserved. 
 *
 * HISTORY
 *
 */


#ifndef _IOKIT_IOPLATFORMEXPERT_H
#define _IOKIT_IOPLATFORMEXPERT_H

#ifdef __cplusplus
#include <IOKit/IOLib.h>
#include <IOKit/IOService.h>
#include <IOKit/IOInterrupts.h>
#include <IOKit/IOInterruptController.h>

extern "C" {
#endif

#include <libkern/OSTypes.h>

extern boolean_t PEGetMachineName( char * name, int maxLength );
extern boolean_t PEGetModelName( char * name, int maxLength );
extern int PEGetPlatformEpoch( void );

enum {
  kPEHaltCPU,
  kPERestartCPU,
  kPEHangCPU,
  kPEUPSDelayHaltCPU,
  kPEPanicRestartCPU,
  kPEPanicSync,
  kPEPagingOff
};
extern int (*PE_halt_restart)(unsigned int type);
extern int PEHaltRestart(unsigned int type);

// Save the Panic Info.  Returns the number of bytes saved.
extern UInt32 PESavePanicInfo(UInt8 *buffer, UInt32 length);

extern long PEGetGMTTimeOfDay( void );
extern void PESetGMTTimeOfDay( long secs );
  
/* unless it's a "well-known" property, these will read/write out the value as raw data */

extern boolean_t PEWriteNVRAMProperty(const char *symbol, const void *value, const unsigned int len);

extern boolean_t PEReadNVRAMProperty(const char *symbol, void *value, unsigned int *len);

#ifdef __cplusplus
} /* extern "C" */

#define kIOPlatformMapperPresentKey "IOPlatformMapperPresent"


extern OSSymbol *               gPlatformInterruptControllerName;

extern const OSSymbol *		gIOPlatformSleepActionKey;
extern const OSSymbol *		gIOPlatformWakeActionKey;
extern const OSSymbol *		gIOPlatformQuiesceActionKey;
extern const OSSymbol *		gIOPlatformActiveActionKey;

class IORangeAllocator;
class IONVRAMController;
class IOPMrootDomain;

class IOPlatformExpert : public IOService
{
    OSDeclareDefaultStructors(IOPlatformExpert);

private:
    long _peBootROMType;
    long _peChipSetType;
    long _peMachineType;

protected:
    IOPMrootDomain * root;
    int _pePMFeatures;
    int _pePrivPMFeatures;
    int _peNumBatteriesSupported;
    OSArray  * thePowerTree;

    bool       searchingForAdditionalParents;
    OSNumber * multipleParentKeyValue;
    int        numInstancesRegistered;

    struct ExpansionData { };
    ExpansionData *reserved;

    virtual void setBootROMType(long peBootROMType);
    virtual void setChipSetType(long peChipSetType);
    virtual void setMachineType(long peMachineType);

    virtual bool CheckSubTree (OSArray * inSubTree, IOService * theNub, IOService * theDevice, OSDictionary * theParent);
    virtual bool RegisterServiceInTree (IOService * theService, OSDictionary * theTreeNode, OSDictionary * theTreeParentNode, IOService * theProvider);

    virtual void PMInstantiatePowerDomains ( void );

public:
    virtual bool attach( IOService * provider );
    virtual bool start( IOService * provider );
    virtual bool configure( IOService * provider );
    virtual IOService * createNub( OSDictionary * from );

    virtual bool compareNubName( const IOService * nub, OSString * name,
				 OSString ** matched = 0 ) const;
    virtual IOReturn getNubResources( IOService * nub );

    virtual long getBootROMType(void);
    virtual long getChipSetType(void);
    virtual long getMachineType(void);

    virtual bool getModelName( char * name, int maxLength );
    virtual bool getMachineName( char * name, int maxLength );

    virtual int haltRestart(unsigned int type);
    virtual void sleepKernel(void);

    virtual long getGMTTimeOfDay( void );
    virtual void setGMTTimeOfDay( long secs );

    virtual IOReturn getConsoleInfo( PE_Video * consoleInfo );
    virtual IOReturn setConsoleInfo( PE_Video * consoleInfo, unsigned int op );

    virtual void registerNVRAMController( IONVRAMController * nvram );

    virtual IOReturn registerInterruptController(OSSymbol *name, IOInterruptController *interruptController);
    virtual IOInterruptController *lookUpInterruptController(OSSymbol *name);
    virtual void setCPUInterruptProperties(IOService *service);
    virtual bool atInterruptLevel(void);

    virtual IOReturn callPlatformFunction(const OSSymbol *functionName,
					  bool waitForFunction,
					  void *param1, void *param2,
					  void *param3, void *param4);

    virtual IORangeAllocator * getPhysicalRangeAllocator(void);

    virtual bool platformAdjustService(IOService *service);

    virtual void PMRegisterDevice(IOService * theNub, IOService * theDevice);
    virtual void PMLog ( const char *,unsigned long, unsigned long, unsigned long );

    virtual bool hasPMFeature (unsigned long featureMask);
    virtual bool hasPrivPMFeature (unsigned long privFeatureMask);
    virtual int  numBatteriesSupported (void);

    virtual IOByteCount savePanicInfo(UInt8 *buffer, IOByteCount length);

    virtual OSString* createSystemSerialNumberString(OSData* myProperty);
    
    OSMetaClassDeclareReservedUsed(IOPlatformExpert,  0);
    OSMetaClassDeclareReservedUsed(IOPlatformExpert,  1);
    OSMetaClassDeclareReservedUnused(IOPlatformExpert,  2);
    OSMetaClassDeclareReservedUnused(IOPlatformExpert,  3);
    OSMetaClassDeclareReservedUnused(IOPlatformExpert,  4);
    OSMetaClassDeclareReservedUnused(IOPlatformExpert,  5);
    OSMetaClassDeclareReservedUnused(IOPlatformExpert,  6);
    OSMetaClassDeclareReservedUnused(IOPlatformExpert,  7);
    OSMetaClassDeclareReservedUnused(IOPlatformExpert,  8);
    OSMetaClassDeclareReservedUnused(IOPlatformExpert,  9);
    OSMetaClassDeclareReservedUnused(IOPlatformExpert, 10);
    OSMetaClassDeclareReservedUnused(IOPlatformExpert, 11);
};

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

class IODTNVRAM;

class IODTPlatformExpert : public IOPlatformExpert
{
    OSDeclareAbstractStructors(IODTPlatformExpert);

private:
    IODTNVRAM *dtNVRAM;

    struct ExpansionData { };
    ExpansionData *reserved;

public:
    virtual IOService * probe(	IOService * 	provider,
				SInt32 	  *	score );
    virtual bool configure( IOService * provider );

    virtual void processTopLevel( IORegistryEntry * root );
    virtual const char * deleteList( void ) = 0;
    virtual const char * excludeList( void ) = 0;
    virtual IOService * createNub( IORegistryEntry * from );
    virtual bool createNubs( IOService * parent, OSIterator * iter );

    virtual bool compareNubName( const IOService * nub, OSString * name,
				 OSString ** matched = 0 ) const;

    virtual IOReturn getNubResources( IOService * nub );

    virtual bool getModelName( char * name, int maxLength );
    virtual bool getMachineName( char * name, int maxLength );
    
    virtual void registerNVRAMController( IONVRAMController * nvram );

    virtual int haltRestart(unsigned int type);

    /* virtual */ IOReturn readXPRAM(IOByteCount offset, UInt8 * buffer,
				     IOByteCount length);

    /* virtual */ IOReturn writeXPRAM(IOByteCount offset, UInt8 * buffer,
				      IOByteCount length);

    virtual IOReturn readNVRAMProperty(
	IORegistryEntry * entry,
	const OSSymbol ** name, OSData ** value );

    virtual IOReturn writeNVRAMProperty(
	IORegistryEntry * entry,
	const OSSymbol * name, OSData * value );

    // This returns a dictionary describing all the NVRAM partitions.
    // The keys will be the partitionIDs of the form "0x52,nvram".
    // The values will be OSNumbers of the partition's byte count.
    /* virtual */ OSDictionary *getNVRAMPartitions(void);

    /* virtual */ IOReturn readNVRAMPartition(const OSSymbol * partitionID,
					      IOByteCount offset, UInt8 * buffer,
					      IOByteCount length);

    /* virtual */ IOReturn writeNVRAMPartition(const OSSymbol * partitionID,
					       IOByteCount offset, UInt8 * buffer,
					       IOByteCount length);

    virtual IOByteCount savePanicInfo(UInt8 *buffer, IOByteCount length);
    virtual OSString* createSystemSerialNumberString(OSData* myProperty);

    OSMetaClassDeclareReservedUnused(IODTPlatformExpert,  0);
    OSMetaClassDeclareReservedUnused(IODTPlatformExpert,  1);
    OSMetaClassDeclareReservedUnused(IODTPlatformExpert,  2);
    OSMetaClassDeclareReservedUnused(IODTPlatformExpert,  3);
    OSMetaClassDeclareReservedUnused(IODTPlatformExpert,  4);
    OSMetaClassDeclareReservedUnused(IODTPlatformExpert,  5);
    OSMetaClassDeclareReservedUnused(IODTPlatformExpert,  6);
    OSMetaClassDeclareReservedUnused(IODTPlatformExpert,  7);
};

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/* generic root nub of service tree */

class IOPlatformExpertDevice : public IOService
{
    OSDeclareDefaultStructors(IOPlatformExpertDevice)

private:
    IOWorkLoop *workLoop;

    struct ExpansionData { };
    ExpansionData *reserved;

public:
    virtual bool initWithArgs( void * p1, void * p2,
					void * p3, void *p4 );
    virtual bool compareName( OSString * name, OSString ** matched = 0 ) const;

    virtual IOWorkLoop *getWorkLoop() const;
    virtual IOReturn setProperties( OSObject * properties );

    virtual void free();

    OSMetaClassDeclareReservedUnused(IOPlatformExpertDevice,  0);
    OSMetaClassDeclareReservedUnused(IOPlatformExpertDevice,  1);
    OSMetaClassDeclareReservedUnused(IOPlatformExpertDevice,  2);
    OSMetaClassDeclareReservedUnused(IOPlatformExpertDevice,  3);
};

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/* generic nub for motherboard devices */

class IOPlatformDevice : public IOService
{
    OSDeclareDefaultStructors(IOPlatformDevice)

    struct ExpansionData { };
    ExpansionData *reserved;

public:
    virtual bool compareName( OSString * name, OSString ** matched = 0 ) const;
    virtual IOService * matchLocation( IOService * client );
    virtual IOReturn getResources( void );

    OSMetaClassDeclareReservedUnused(IOPlatformDevice,  0);
    OSMetaClassDeclareReservedUnused(IOPlatformDevice,  1);
    OSMetaClassDeclareReservedUnused(IOPlatformDevice,  2);
    OSMetaClassDeclareReservedUnused(IOPlatformDevice,  3);
};

#endif /* __cplusplus */

#endif /* ! _IOKIT_IOPLATFORMEXPERT_H */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 A	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.
8f6c56a5	14	*
2d21ac55 A	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
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	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.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/*
	29	* Copyright (c) 1998 Apple Computer, Inc. All rights reserved.
	30	*
	31	* HISTORY
	32	*
	33	*/
	34
	35
	36	#ifndef _IOKIT_IOPLATFORMEXPERT_H
	37	#define _IOKIT_IOPLATFORMEXPERT_H
	38
	39	#ifdef __cplusplus
	40	#include <IOKit/IOLib.h>
	41	#include <IOKit/IOService.h>
	42	#include <IOKit/IOInterrupts.h>
	43	#include <IOKit/IOInterruptController.h>
	44
	45	extern "C" {
	46	#endif
	47
b0d623f7 A	48	#include <libkern/OSTypes.h>
b0d623f7 A	49
1c79356b A	50	extern boolean_t PEGetMachineName( char * name, int maxLength );
	51	extern boolean_t PEGetModelName( char * name, int maxLength );
	52	extern int PEGetPlatformEpoch( void );
	53
	54	enum {
	55	kPEHaltCPU,
9bccf70c	56	kPERestartCPU,
0c530ab8	57	kPEHangCPU,
2d21ac55 A	58	kPEUPSDelayHaltCPU,
2d21ac55 A	59	kPEPanicRestartCPU,
6d2010ae A	60	kPEPanicSync,
6d2010ae A	61	kPEPagingOff
1c79356b A	62	};
	63	extern int (*PE_halt_restart)(unsigned int type);
	64	extern int PEHaltRestart(unsigned int type);
	65
9bccf70c	66	// Save the Panic Info. Returns the number of bytes saved.
b0d623f7	67	extern UInt32 PESavePanicInfo(UInt8 *buffer, UInt32 length);
9bccf70c	68
1c79356b A	69	extern long PEGetGMTTimeOfDay( void );
	70	extern void PESetGMTTimeOfDay( long secs );
	71
6d2010ae A	72	/* unless it's a "well-known" property, these will read/write out the value as raw data */
	73
	74	extern boolean_t PEWriteNVRAMProperty(const char symbol, const void value, const unsigned int len);
	75
	76	extern boolean_t PEReadNVRAMProperty(const char symbol, void value, unsigned int *len);
	77
1c79356b A	78	#ifdef __cplusplus
	79	} /* extern "C" */
	80
55e303ae A	81	#define kIOPlatformMapperPresentKey "IOPlatformMapperPresent"
55e303ae A	82
2d21ac55 A	83
	84	extern OSSymbol * gPlatformInterruptControllerName;
	85
	86	extern const OSSymbol * gIOPlatformSleepActionKey;
	87	extern const OSSymbol * gIOPlatformWakeActionKey;
	88	extern const OSSymbol * gIOPlatformQuiesceActionKey;
	89	extern const OSSymbol * gIOPlatformActiveActionKey;
1c79356b A	90
	91	class IORangeAllocator;
	92	class IONVRAMController;
	93	class IOPMrootDomain;
	94
	95	class IOPlatformExpert : public IOService
	96	{
	97	OSDeclareDefaultStructors(IOPlatformExpert);
	98
	99	private:
	100	long _peBootROMType;
	101	long _peChipSetType;
	102	long _peMachineType;
	103
	104	protected:
	105	IOPMrootDomain * root;
	106	int _pePMFeatures;
	107	int _pePrivPMFeatures;
	108	int _peNumBatteriesSupported;
	109	OSArray * thePowerTree;
	110
	111	bool searchingForAdditionalParents;
	112	OSNumber * multipleParentKeyValue;
	113	int numInstancesRegistered;
	114
	115	struct ExpansionData { };
	116	ExpansionData *reserved;
	117
	118	virtual void setBootROMType(long peBootROMType);
	119	virtual void setChipSetType(long peChipSetType);
	120	virtual void setMachineType(long peMachineType);
	121
	122	virtual bool CheckSubTree (OSArray * inSubTree, IOService * theNub, IOService * theDevice, OSDictionary * theParent);
	123	virtual bool RegisterServiceInTree (IOService * theService, OSDictionary * theTreeNode, OSDictionary * theTreeParentNode, IOService * theProvider);
	124
	125	virtual void PMInstantiatePowerDomains ( void );
	126
	127	public:
	128	virtual bool attach( IOService * provider );
	129	virtual bool start( IOService * provider );
	130	virtual bool configure( IOService * provider );
	131	virtual IOService * createNub( OSDictionary * from );
	132
	133	virtual bool compareNubName( const IOService * nub, OSString * name,
	134	OSString ** matched = 0 ) const;
	135	virtual IOReturn getNubResources( IOService * nub );
	136
	137	virtual long getBootROMType(void);
	138	virtual long getChipSetType(void);
	139	virtual long getMachineType(void);
	140
	141	virtual bool getModelName( char * name, int maxLength );
	142	virtual bool getMachineName( char * name, int maxLength );
	143
	144	virtual int haltRestart(unsigned int type);
	145	virtual void sleepKernel(void);
	146
	147	virtual long getGMTTimeOfDay( void );
	148	virtual void setGMTTimeOfDay( long secs );
	149
	150	virtual IOReturn getConsoleInfo( PE_Video * consoleInfo );
	151	virtual IOReturn setConsoleInfo( PE_Video * consoleInfo, unsigned int op );
	152
	153	virtual void registerNVRAMController( IONVRAMController * nvram );
154
155	virtual IOReturn registerInterruptController(OSSymbol name, IOInterruptController interruptController);
156	virtual IOInterruptController lookUpInterruptController(OSSymbol name);
157	virtual void setCPUInterruptProperties(IOService *service);
158	virtual bool atInterruptLevel(void);
159
160	virtual IOReturn callPlatformFunction(const OSSymbol *functionName,
161	bool waitForFunction,
162	void param1, void param2,
163	void param3, void param4);
164
165	virtual IORangeAllocator * getPhysicalRangeAllocator(void);
166
167	virtual bool platformAdjustService(IOService *service);
168
169	virtual void PMRegisterDevice(IOService * theNub, IOService * theDevice);
170	virtual void PMLog ( const char *,unsigned long, unsigned long, unsigned long );
171
172	virtual bool hasPMFeature (unsigned long featureMask);
173	virtual bool hasPrivPMFeature (unsigned long privFeatureMask);
174	virtual int numBatteriesSupported (void);
175
9bccf70c A	176	virtual IOByteCount savePanicInfo(UInt8 *buffer, IOByteCount length);
9bccf70c A	177
55e303ae A	178	virtual OSString* createSystemSerialNumberString(OSData* myProperty);
55e303ae A	179
9bccf70c	180	OSMetaClassDeclareReservedUsed(IOPlatformExpert, 0);
55e303ae	181	OSMetaClassDeclareReservedUsed(IOPlatformExpert, 1);
1c79356b A	182	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 2);
	183	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 3);
	184	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 4);
	185	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 5);
	186	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 6);
	187	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 7);
	188	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 8);
	189	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 9);
	190	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 10);
	191	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 11);
	192	};
	193
	194	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
	195
	196	class IODTNVRAM;
	197
	198	class IODTPlatformExpert : public IOPlatformExpert
	199	{
	200	OSDeclareAbstractStructors(IODTPlatformExpert);
	201
	202	private:
	203	IODTNVRAM *dtNVRAM;
	204
	205	struct ExpansionData { };
	206	ExpansionData *reserved;
	207
	208	public:
	209	virtual IOService * probe( IOService * provider,
	210	SInt32 * score );
	211	virtual bool configure( IOService * provider );
	212
	213	virtual void processTopLevel( IORegistryEntry * root );
	214	virtual const char * deleteList( void ) = 0;
	215	virtual const char * excludeList( void ) = 0;
	216	virtual IOService * createNub( IORegistryEntry * from );
	217	virtual bool createNubs( IOService * parent, OSIterator * iter );
	218
	219	virtual bool compareNubName( const IOService * nub, OSString * name,
	220	OSString ** matched = 0 ) const;
	221
	222	virtual IOReturn getNubResources( IOService * nub );
	223
	224	virtual bool getModelName( char * name, int maxLength );
	225	virtual bool getMachineName( char * name, int maxLength );
	226
	227	virtual void registerNVRAMController( IONVRAMController * nvram );
	228
	229	virtual int haltRestart(unsigned int type);
	230
	231	/* virtual / IOReturn readXPRAM(IOByteCount offset, UInt8 buffer,
	232	IOByteCount length);
d52fe63f	233
1c79356b A	234	/* virtual / IOReturn writeXPRAM(IOByteCount offset, UInt8 buffer,
	235	IOByteCount length);
	236
	237	virtual IOReturn readNVRAMProperty(
	238	IORegistryEntry * entry,
	239	const OSSymbol name, OSData value );
	240
	241	virtual IOReturn writeNVRAMProperty(
	242	IORegistryEntry * entry,
	243	const OSSymbol * name, OSData * value );
	244
d52fe63f A	245	// This returns a dictionary describing all the NVRAM partitions.
	246	// The keys will be the partitionIDs of the form "0x52,nvram".
	247	// The values will be OSNumbers of the partition's byte count.
	248	/* virtual / OSDictionary getNVRAMPartitions(void);
	249
	250	/* virtual / IOReturn readNVRAMPartition(const OSSymbol partitionID,
	251	IOByteCount offset, UInt8 * buffer,
	252	IOByteCount length);
	253
	254	/* virtual / IOReturn writeNVRAMPartition(const OSSymbol partitionID,
	255	IOByteCount offset, UInt8 * buffer,
	256	IOByteCount length);
1c79356b	257
9bccf70c	258	virtual IOByteCount savePanicInfo(UInt8 *buffer, IOByteCount length);
55e303ae	259	virtual OSString* createSystemSerialNumberString(OSData* myProperty);
9bccf70c	260
1c79356b A	261	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 0);
	262	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 1);
	263	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 2);
	264	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 3);
	265	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 4);
	266	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 5);
	267	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 6);
	268	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 7);
	269	};
	270
	271	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
	272
	273	/* generic root nub of service tree */
	274
	275	class IOPlatformExpertDevice : public IOService
	276	{
	277	OSDeclareDefaultStructors(IOPlatformExpertDevice)
	278
	279	private:
	280	IOWorkLoop *workLoop;
	281
	282	struct ExpansionData { };
	283	ExpansionData *reserved;
	284
	285	public:
	286	virtual bool initWithArgs( void * p1, void * p2,
	287	void * p3, void *p4 );
	288	virtual bool compareName( OSString * name, OSString ** matched = 0 ) const;
	289
	290	virtual IOWorkLoop *getWorkLoop() const;
2d21ac55	291	virtual IOReturn setProperties( OSObject * properties );
1c79356b A	292
	293	virtual void free();
	294
	295	OSMetaClassDeclareReservedUnused(IOPlatformExpertDevice, 0);
	296	OSMetaClassDeclareReservedUnused(IOPlatformExpertDevice, 1);
	297	OSMetaClassDeclareReservedUnused(IOPlatformExpertDevice, 2);
	298	OSMetaClassDeclareReservedUnused(IOPlatformExpertDevice, 3);
	299	};
	300
	301	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
	302
	303	/* generic nub for motherboard devices */
	304
	305	class IOPlatformDevice : public IOService
	306	{
	307	OSDeclareDefaultStructors(IOPlatformDevice)
	308
	309	struct ExpansionData { };
	310	ExpansionData *reserved;
	311
	312	public:
	313	virtual bool compareName( OSString * name, OSString ** matched = 0 ) const;
	314	virtual IOService * matchLocation( IOService * client );
	315	virtual IOReturn getResources( void );
	316
	317	OSMetaClassDeclareReservedUnused(IOPlatformDevice, 0);
	318	OSMetaClassDeclareReservedUnused(IOPlatformDevice, 1);
	319	OSMetaClassDeclareReservedUnused(IOPlatformDevice, 2);
	320	OSMetaClassDeclareReservedUnused(IOPlatformDevice, 3);
	321	};
	322
	323	#endif /* __cplusplus */
	324
	325	#endif /* ! _IOKIT_IOPLATFORMEXPERT_H */