AppleSCSIEmulatorAdapterUC.h   [plain text]


/*
  File: AppleSCSIEmulatorAdapterUC.h

  Contains: 

  Version: 1.0.0
  
  Copyright: Copyright (c) 2007 by Apple Inc., All Rights Reserved.

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redistribute this Apple software.

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copyrights in this original Apple software (the "Apple Software"), to use, reproduce, 
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and disclaimers in all such redistributions of the Apple Software.  Neither the
name, trademarks, service marks or logos of Apple Inc. may be used to
endorse or promote products derived from the Apple Software without specific prior
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other rights or licenses, express or implied, are granted by Apple herein,
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The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO WARRANTIES, 
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT,
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE
OR ITS USE AND OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. IN NO EVENT SHALL APPLE 
BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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*/


#ifndef __APPLE_SCSI_EMULATOR_ADAPTER_UC_H__
#define __APPLE_SCSI_EMULATOR_ADAPTER_UC_H__


//-----------------------------------------------------------------------------
//	Includes
//-----------------------------------------------------------------------------

// SCSI Architecture Model Family includes
#include <IOKit/scsi/SCSITask.h>
#include <mach/vm_types.h>


//-----------------------------------------------------------------------------
//	Constants
//-----------------------------------------------------------------------------

#define kSCSIEmulatorAdapterUserClientAccessMask	0x1000
#define kSCSIEmulatorAdapterUserClientConnection	15
#define kInitiatorID								15

enum
{
	kUserClientCreateLUN		= 0,
	kUserClientDestroyLUN		= 1,
	kUserClientDestroyTarget	= 2,
	kUserClientMethodCount
};


//-----------------------------------------------------------------------------
//	Structures
//-----------------------------------------------------------------------------

#pragma pack(1)
typedef struct EmulatorLUNParamsStruct
{
	SCSILogicalUnitNumber	logicalUnit;
	UInt64					capacity;
	mach_vm_address_t		inquiryData;
	UInt32					inquiryDataLength;
	mach_vm_address_t		inquiryPage00Data;
	UInt32					inquiryPage00DataLength;
	mach_vm_address_t		inquiryPage80Data;
	UInt32					inquiryPage80DataLength;
	mach_vm_address_t		inquiryPage83Data;
	UInt32					inquiryPage83DataLength;
} EmulatorLUNParamsStruct;

typedef struct EmulatorTargetParamsStruct
{
	SCSITargetIdentifier	targetID;
	EmulatorLUNParamsStruct	lun;
} EmulatorTargetParamsStruct;

#pragma options align=reset


#if defined(KERNEL) && defined(__cplusplus)

//-----------------------------------------------------------------------------
//	Includes
//-----------------------------------------------------------------------------

#include <IOKit/IOCommandGate.h>
#include <IOKit/IOService.h>
#include <IOKit/IOUserClient.h>
#include <IOKit/IOWorkLoop.h>


//-----------------------------------------------------------------------------
//	Class Declaration
//-----------------------------------------------------------------------------

class AppleSCSIEmulatorAdapterUserClient : public IOUserClient
{
	
	OSDeclareDefaultStructors ( AppleSCSIEmulatorAdapterUserClient )
	
protected:
	
	bool 	initWithTask 		( task_t 			owningTask,
								  void *			securityToken,
								  UInt32			type,
								  OSDictionary *	properties );
	
    bool 		start 			( IOService * provider );
	
	void		free			( void );
	
	IOReturn	clientClose		( void );
	
	bool		finalize		( IOOptionBits options );
	
	IOReturn	externalMethod (
					uint32_t						selector,
					IOExternalMethodArguments * 	args,
					IOExternalMethodDispatch * 		dispatch,
					OSObject *						target,
					void *							reference );
	
private:
	
	task_t					fTask;
	IOService *				fProvider;
	IOCommandGate *			fCommandGate;
	IOWorkLoop *			fWorkLoop;
	
};


#endif	/* #if defined(KERNEL) && defined(__cplusplus) */

#endif	/* __APPLE_SCSI_EMULATOR_ADAPTER_UC_H__ */