[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
};
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 );
  
#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,
	59	kPEPanicRestartCPU,
	60	kPEPanicSync
1c79356b A	61	};
	62	extern int (*PE_halt_restart)(unsigned int type);
	63	extern int PEHaltRestart(unsigned int type);
	64
9bccf70c	65	// Save the Panic Info. Returns the number of bytes saved.
b0d623f7	66	extern UInt32 PESavePanicInfo(UInt8 *buffer, UInt32 length);
9bccf70c	67
1c79356b A	68	extern long PEGetGMTTimeOfDay( void );
	69	extern void PESetGMTTimeOfDay( long secs );
	70
	71	#ifdef __cplusplus
	72	} /* extern "C" */
	73
55e303ae A	74	#define kIOPlatformMapperPresentKey "IOPlatformMapperPresent"
55e303ae A	75
2d21ac55 A	76
	77	extern OSSymbol * gPlatformInterruptControllerName;
	78
	79	extern const OSSymbol * gIOPlatformSleepActionKey;
	80	extern const OSSymbol * gIOPlatformWakeActionKey;
	81	extern const OSSymbol * gIOPlatformQuiesceActionKey;
	82	extern const OSSymbol * gIOPlatformActiveActionKey;
1c79356b A	83
	84	class IORangeAllocator;
	85	class IONVRAMController;
	86	class IOPMrootDomain;
	87
	88	class IOPlatformExpert : public IOService
	89	{
	90	OSDeclareDefaultStructors(IOPlatformExpert);
	91
	92	private:
	93	long _peBootROMType;
	94	long _peChipSetType;
	95	long _peMachineType;
	96
	97	protected:
	98	IOPMrootDomain * root;
	99	int _pePMFeatures;
	100	int _pePrivPMFeatures;
	101	int _peNumBatteriesSupported;
	102	OSArray * thePowerTree;
	103
	104	bool searchingForAdditionalParents;
	105	OSNumber * multipleParentKeyValue;
	106	int numInstancesRegistered;
	107
	108	struct ExpansionData { };
	109	ExpansionData *reserved;
	110
	111	virtual void setBootROMType(long peBootROMType);
	112	virtual void setChipSetType(long peChipSetType);
	113	virtual void setMachineType(long peMachineType);
	114
	115	virtual bool CheckSubTree (OSArray * inSubTree, IOService * theNub, IOService * theDevice, OSDictionary * theParent);
	116	virtual bool RegisterServiceInTree (IOService * theService, OSDictionary * theTreeNode, OSDictionary * theTreeParentNode, IOService * theProvider);
	117
	118	virtual void PMInstantiatePowerDomains ( void );
	119
	120	public:
	121	virtual bool attach( IOService * provider );
	122	virtual bool start( IOService * provider );
	123	virtual bool configure( IOService * provider );
	124	virtual IOService * createNub( OSDictionary * from );
	125
	126	virtual bool compareNubName( const IOService * nub, OSString * name,
	127	OSString ** matched = 0 ) const;
	128	virtual IOReturn getNubResources( IOService * nub );
	129
	130	virtual long getBootROMType(void);
	131	virtual long getChipSetType(void);
	132	virtual long getMachineType(void);
	133
	134	virtual bool getModelName( char * name, int maxLength );
	135	virtual bool getMachineName( char * name, int maxLength );
	136
	137	virtual int haltRestart(unsigned int type);
	138	virtual void sleepKernel(void);
	139
	140	virtual long getGMTTimeOfDay( void );
	141	virtual void setGMTTimeOfDay( long secs );
	142
	143	virtual IOReturn getConsoleInfo( PE_Video * consoleInfo );
	144	virtual IOReturn setConsoleInfo( PE_Video * consoleInfo, unsigned int op );
	145
	146	virtual void registerNVRAMController( IONVRAMController * nvram );
147
148	virtual IOReturn registerInterruptController(OSSymbol name, IOInterruptController interruptController);
149	virtual IOInterruptController lookUpInterruptController(OSSymbol name);
150	virtual void setCPUInterruptProperties(IOService *service);
151	virtual bool atInterruptLevel(void);
152
153	virtual IOReturn callPlatformFunction(const OSSymbol *functionName,
154	bool waitForFunction,
155	void param1, void param2,
156	void param3, void param4);
157
158	virtual IORangeAllocator * getPhysicalRangeAllocator(void);
159
160	virtual bool platformAdjustService(IOService *service);
161
162	virtual void PMRegisterDevice(IOService * theNub, IOService * theDevice);
163	virtual void PMLog ( const char *,unsigned long, unsigned long, unsigned long );
164
165	virtual bool hasPMFeature (unsigned long featureMask);
166	virtual bool hasPrivPMFeature (unsigned long privFeatureMask);
167	virtual int numBatteriesSupported (void);
168
9bccf70c A	169	virtual IOByteCount savePanicInfo(UInt8 *buffer, IOByteCount length);
9bccf70c A	170
55e303ae A	171	virtual OSString* createSystemSerialNumberString(OSData* myProperty);
55e303ae A	172
9bccf70c	173	OSMetaClassDeclareReservedUsed(IOPlatformExpert, 0);
55e303ae	174	OSMetaClassDeclareReservedUsed(IOPlatformExpert, 1);
1c79356b A	175	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 2);
	176	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 3);
	177	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 4);
	178	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 5);
	179	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 6);
	180	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 7);
	181	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 8);
	182	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 9);
	183	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 10);
	184	OSMetaClassDeclareReservedUnused(IOPlatformExpert, 11);
	185	};
	186
	187	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
	188
	189	class IODTNVRAM;
	190
	191	class IODTPlatformExpert : public IOPlatformExpert
	192	{
	193	OSDeclareAbstractStructors(IODTPlatformExpert);
	194
	195	private:
	196	IODTNVRAM *dtNVRAM;
	197
	198	struct ExpansionData { };
	199	ExpansionData *reserved;
	200
	201	public:
	202	virtual IOService * probe( IOService * provider,
	203	SInt32 * score );
	204	virtual bool configure( IOService * provider );
	205
	206	virtual void processTopLevel( IORegistryEntry * root );
	207	virtual const char * deleteList( void ) = 0;
	208	virtual const char * excludeList( void ) = 0;
	209	virtual IOService * createNub( IORegistryEntry * from );
	210	virtual bool createNubs( IOService * parent, OSIterator * iter );
	211
	212	virtual bool compareNubName( const IOService * nub, OSString * name,
	213	OSString ** matched = 0 ) const;
	214
	215	virtual IOReturn getNubResources( IOService * nub );
	216
	217	virtual bool getModelName( char * name, int maxLength );
	218	virtual bool getMachineName( char * name, int maxLength );
	219
	220	virtual void registerNVRAMController( IONVRAMController * nvram );
	221
	222	virtual int haltRestart(unsigned int type);
	223
	224	/* virtual / IOReturn readXPRAM(IOByteCount offset, UInt8 buffer,
	225	IOByteCount length);
d52fe63f	226
1c79356b A	227	/* virtual / IOReturn writeXPRAM(IOByteCount offset, UInt8 buffer,
	228	IOByteCount length);
	229
	230	virtual IOReturn readNVRAMProperty(
	231	IORegistryEntry * entry,
	232	const OSSymbol name, OSData value );
	233
	234	virtual IOReturn writeNVRAMProperty(
	235	IORegistryEntry * entry,
	236	const OSSymbol * name, OSData * value );
	237
d52fe63f A	238	// This returns a dictionary describing all the NVRAM partitions.
	239	// The keys will be the partitionIDs of the form "0x52,nvram".
	240	// The values will be OSNumbers of the partition's byte count.
	241	/* virtual / OSDictionary getNVRAMPartitions(void);
	242
	243	/* virtual / IOReturn readNVRAMPartition(const OSSymbol partitionID,
	244	IOByteCount offset, UInt8 * buffer,
	245	IOByteCount length);
	246
	247	/* virtual / IOReturn writeNVRAMPartition(const OSSymbol partitionID,
	248	IOByteCount offset, UInt8 * buffer,
	249	IOByteCount length);
1c79356b	250
9bccf70c	251	virtual IOByteCount savePanicInfo(UInt8 *buffer, IOByteCount length);
55e303ae	252	virtual OSString* createSystemSerialNumberString(OSData* myProperty);
9bccf70c	253
1c79356b A	254	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 0);
	255	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 1);
	256	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 2);
	257	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 3);
	258	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 4);
	259	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 5);
	260	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 6);
	261	OSMetaClassDeclareReservedUnused(IODTPlatformExpert, 7);
	262	};
	263
	264	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
	265
	266	/* generic root nub of service tree */
	267
	268	class IOPlatformExpertDevice : public IOService
	269	{
	270	OSDeclareDefaultStructors(IOPlatformExpertDevice)
	271
	272	private:
	273	IOWorkLoop *workLoop;
	274
	275	struct ExpansionData { };
	276	ExpansionData *reserved;
	277
	278	public:
	279	virtual bool initWithArgs( void * p1, void * p2,
	280	void * p3, void *p4 );
	281	virtual bool compareName( OSString * name, OSString ** matched = 0 ) const;
	282
	283	virtual IOWorkLoop *getWorkLoop() const;
2d21ac55	284	virtual IOReturn setProperties( OSObject * properties );
1c79356b A	285
	286	virtual void free();
	287
	288	OSMetaClassDeclareReservedUnused(IOPlatformExpertDevice, 0);
	289	OSMetaClassDeclareReservedUnused(IOPlatformExpertDevice, 1);
	290	OSMetaClassDeclareReservedUnused(IOPlatformExpertDevice, 2);
	291	OSMetaClassDeclareReservedUnused(IOPlatformExpertDevice, 3);
	292	};
	293
	294	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
	295
	296	/* generic nub for motherboard devices */
	297
	298	class IOPlatformDevice : public IOService
	299	{
	300	OSDeclareDefaultStructors(IOPlatformDevice)
	301
	302	struct ExpansionData { };
	303	ExpansionData *reserved;
	304
	305	public:
	306	virtual bool compareName( OSString * name, OSString ** matched = 0 ) const;
	307	virtual IOService * matchLocation( IOService * client );
	308	virtual IOReturn getResources( void );
	309
	310	OSMetaClassDeclareReservedUnused(IOPlatformDevice, 0);
	311	OSMetaClassDeclareReservedUnused(IOPlatformDevice, 1);
	312	OSMetaClassDeclareReservedUnused(IOPlatformDevice, 2);
	313	OSMetaClassDeclareReservedUnused(IOPlatformDevice, 3);
	314	};
	315
	316	#endif /* __cplusplus */
	317
	318	#endif /* ! _IOKIT_IOPLATFORMEXPERT_H */