IOSCSIPrimaryCommandsDevice.cpp   [plain text]

/*
 * Copyright (c) 1998-2002 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This 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 OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	Includes
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

// Libkern includes
#include <libkern/OSByteOrder.h>

// Generic IOKit related headers
#include <IOKit/IOMessage.h>
#include <IOKit/IOKitKeys.h>

// SCSI Architecture Model Family includes
#include <IOKit/scsi-commands/SCSICommandOperationCodes.h>
#include "IOSCSIPrimaryCommandsDevice.h"

//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	Macros
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

#define DEBUG 									0
#define DEBUG_ASSERT_COMPONENT_NAME_STRING		"SPC"

#if DEBUG
#define SCSI_SPC_DEVICE_DEBUGGING_LEVEL			0
#endif


#include "IOSCSIArchitectureModelFamilyDebugging.h"


#if ( SCSI_SPC_DEVICE_DEBUGGING_LEVEL >= 1 )
#define PANIC_NOW(x)		IOPanic x
#else
#define PANIC_NOW(x)
#endif

#if ( SCSI_SPC_DEVICE_DEBUGGING_LEVEL >= 2 )
#define ERROR_LOG(x)		IOLog x
#else
#define ERROR_LOG(x)
#endif

#if ( SCSI_SPC_DEVICE_DEBUGGING_LEVEL >= 3 )
#define STATUS_LOG(x)		IOLog x
#else
#define STATUS_LOG(x)
#endif


#define super IOSCSIProtocolInterface
OSDefineMetaClass ( IOSCSIPrimaryCommandsDevice, IOSCSIProtocolInterface );
OSDefineAbstractStructors ( IOSCSIPrimaryCommandsDevice, IOSCSIProtocolInterface );


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	Constants
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

enum
{
	kSecondsInAMinute = 60
};

#define	kPowerConditionsModePage					0x1A
#define	kPowerConditionsModePageSize				12
#define kIOPropertyPowerConditionsSupportedKey		"PowerConditionsSupported"
#define kAppleKeySwitchProperty						"AppleKeyswitch"
#define kKeySwitchProperty							"Keyswitch"

// Reserved fields
#define fKeySwitchNotifier							fIOSCSIPrimaryCommandsDeviceReserved->fKeySwitchNotifier
#define fANSIVersion								fIOSCSIPrimaryCommandsDeviceReserved->fANSIVersion


#if 0
#pragma mark -
#pragma mark ₯ Public Methods
#pragma mark -
#endif


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ init - Called by IOKit to initialize us.						   [PUBLIC]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::init ( OSDictionary * propTable )
{
	
	bool	result = false;
	
	require ( super::init ( propTable ), ErrorExit );
	result = true;
	
	
ErrorExit:
	
	
	return result;
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ start - Called by IOKit to start our services.				   [PUBLIC]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::start ( IOService * provider )
{
	
	OSString *		string			= NULL;
	OSIterator *	iterator		= NULL;
	OSObject *		obj				= NULL;
	UInt64			maxByteCount	= 0;
	bool			result			= false;
	
	// Call our super class' start routine so that all inherited
	// behavior is initialized.	
	require ( super::start ( provider ), ErrorExit );
	
	fDeviceAccessEnabled 			= false;
	fDeviceAccessSuspended			= false;
	fDeviceSupportsPowerConditions 	= false;
	fNumCommandsOutstanding 		= 0;
	
	fIOSCSIPrimaryCommandsDeviceReserved = ( IOSCSIPrimaryCommandsDeviceExpansionData * )
			IOMalloc ( sizeof ( IOSCSIPrimaryCommandsDeviceExpansionData ) );
	require_nonzero ( fIOSCSIPrimaryCommandsDeviceReserved, ErrorExit );
	
	bzero ( fIOSCSIPrimaryCommandsDeviceReserved,
			sizeof ( IOSCSIPrimaryCommandsDeviceExpansionData ) );
	
	fANSIVersion = kINQUIRY_ANSI_VERSION_NoClaimedConformance;
	
	fProtocolDriver = OSDynamicCast ( IOSCSIProtocolInterface, provider );
	require_nonzero ( fProtocolDriver, FreeReservedMemory );
	
	fDeviceCharacteristicsDictionary = OSDictionary::withCapacity ( 1 );
	require_nonzero ( fDeviceCharacteristicsDictionary, FreeReservedMemory );
	
	string = ( OSString * ) GetProtocolDriver ( )->getProperty ( kIOPropertySCSIVendorIdentification );	
	check ( string );
	fDeviceCharacteristicsDictionary->setObject ( kIOPropertyVendorNameKey, string );
	
	string = ( OSString * ) GetProtocolDriver ( )->getProperty ( kIOPropertySCSIProductIdentification );	
	check ( string );
	fDeviceCharacteristicsDictionary->setObject ( kIOPropertyProductNameKey, string );
	
	string = ( OSString * ) GetProtocolDriver ( )->getProperty ( kIOPropertySCSIProductRevisionLevel );	
	check ( string );
	fDeviceCharacteristicsDictionary->setObject ( kIOPropertyProductRevisionLevelKey, string );
	
	// Now create the required command sets used by the class
	require ( CreateCommandSetObjects ( ), FreeDeviceDictionary );
	
	// Open our provider so it can't slip out from under us
	GetProtocolDriver ( )->open ( this );
	
	STATUS_LOG ( ( "%s: Check for the SCSI Device Characteristics property from provider.\n", getName ( ) ) );
	
	// Check if the personality for this device specifies device characteristics.
	if ( ( GetProtocolDriver ( )->getProperty ( kIOPropertySCSIDeviceCharacteristicsKey ) ) == NULL )
	{
		
		STATUS_LOG ( ( "%s: No SCSI Device Characteristics property, set defaults.\n", getName ( ) ) );
		fDefaultInquiryCount = 0;
		
	}
	
	else
	{
		
		OSDictionary * characterDict;
		
		STATUS_LOG ( ( "%s: Get the SCSI Device Characteristics property from provider.\n", getName ( ) ) );
		characterDict = OSDynamicCast ( OSDictionary, ( GetProtocolDriver ( )->getProperty ( kIOPropertySCSIDeviceCharacteristicsKey ) ) );
		
		STATUS_LOG ( ( "%s: set this SCSI Device Characteristics property.\n", getName ( ) ) );
		setProperty ( kIOPropertySCSIDeviceCharacteristicsKey, characterDict );

		// Check if the personality for this device specifies a default Inquiry count
		STATUS_LOG ( ( "%s: check for the Inquiry Length property.\n", getName ( ) ) );
		
		if ( characterDict->getObject ( kIOPropertySCSIInquiryLengthKey ) == NULL )
		{
			
			STATUS_LOG ( ( "%s: No Inquiry Length property, use default.\n", getName ( ) ) );
			fDefaultInquiryCount = 0;
			
		}
		
		else
		{
			
			OSNumber *	defaultInquiry;
			
			STATUS_LOG ( ( "%s: Get Inquiry Length property.\n", getName ( ) ) );
			defaultInquiry = OSDynamicCast ( OSNumber, characterDict->getObject ( kIOPropertySCSIInquiryLengthKey ) );
			
			// This device has a default Inquiry length, use that.
			fDefaultInquiryCount = defaultInquiry->unsigned32BitValue ( );
			
		}
		
	}

	// See if the transport driver wants us to limit the transfer byte count
	// if so, publish the keys to get the system to deblock with desired contraints
	if ( IsProtocolServiceSupported ( kSCSIProtocolFeature_MaximumReadTransferByteCount, &maxByteCount ) )
	{
		
		if ( maxByteCount > 0 )
		{
			
			setProperty ( kIOMaximumSegmentCountReadKey, maxByteCount / page_size, 64 );
			
		}
		
	}
	
	maxByteCount = 0;
	
	if ( IsProtocolServiceSupported ( kSCSIProtocolFeature_MaximumWriteTransferByteCount, &maxByteCount ) )
	{
		
		if ( maxByteCount > 0 )
		{
			
			setProperty ( kIOMaximumSegmentCountWriteKey, maxByteCount / page_size, 64 );
			
		}
		
	}
	
	fProtocolAccessEnabled = true;
	
	require ( InitializeDeviceSupport ( ), CloseProvider );
	
	iterator = getMatchingServices ( nameMatching ( kAppleKeySwitchProperty  ) );
	if ( iterator != NULL )
	{
		
		while ( obj = iterator->getNextObject ( ) )
		{
			
			IOService *		service = ( IOService * ) obj;
			OSBoolean *		boolKey = NULL;
			
			boolKey = OSDynamicCast (
								OSBoolean,
								service->getProperty ( kKeySwitchProperty ) );
			
			setProperty ( kAppleKeySwitchProperty, boolKey );
			
		}
		
		iterator->release ( );
		iterator = NULL;
		
	}
	
	fDeviceAccessEnabled = true;
	StartDeviceSupport ( );
	
	if ( getProperty ( kAppleKeySwitchProperty ) )
	{
		
		removeProperty ( kAppleKeySwitchProperty );
		
	}
	
	// Add a notification for the Apple KeySwitch on the servers.
	fKeySwitchNotifier = addNotification (
			gIOMatchedNotification,
			nameMatching ( kAppleKeySwitchProperty ),
			( IOServiceNotificationHandler ) &IOSCSIPrimaryCommandsDevice::ServerKeyswitchCallback,
			this,
			0 );
	
	result = true;
	
	return result;
	
	
CloseProvider:
	
	
	GetProtocolDriver ( )->close ( this );
	
	
FreeDeviceDictionary:
	
	
	require_nonzero ( fDeviceCharacteristicsDictionary, FreeReservedMemory );
	fDeviceCharacteristicsDictionary->release ( );
	fDeviceCharacteristicsDictionary = NULL;
	
	
FreeReservedMemory:
	
	
	require_nonzero ( fIOSCSIPrimaryCommandsDeviceReserved, ErrorExit );
	IOFree ( fIOSCSIPrimaryCommandsDeviceReserved,
		sizeof ( IOSCSIPrimaryCommandsDeviceExpansionData ) );
	fIOSCSIPrimaryCommandsDeviceReserved = NULL;
	
	
ErrorExit:
	
	
	return result;
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ stop - Called by IOKit to stop our services.					   [PUBLIC]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

void 
IOSCSIPrimaryCommandsDevice::stop ( IOService * provider )
{
	
	fProtocolAccessEnabled = false;
	
	// Put some protection from having stop called multiple times
	// GetProtocolDriver is called all over the place in this object
	if ( fDeviceAccessEnabled == true )
	{
		
		fDeviceAccessEnabled = false;
		StopDeviceSupport ( );
		
	}
	
	if ( ( fProtocolDriver != NULL ) && ( fProtocolDriver == provider ) )
	{
		
		fProtocolDriver->close ( this );
		fProtocolDriver = NULL;
		
		super::stop ( provider );
		
	}
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ free - Called by IOKit to free any resources.					   [PUBLIC]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

void
IOSCSIPrimaryCommandsDevice::free ( void )
{
	
	// Free any command set objects created by
	// CreateCommandSetObjects()
	FreeCommandSetObjects ( );
	
	// Free our reserved data
	if ( fIOSCSIPrimaryCommandsDeviceReserved != NULL )
	{
		
		IOFree ( fIOSCSIPrimaryCommandsDeviceReserved,
				 sizeof ( IOSCSIPrimaryCommandsDeviceExpansionData ) );
		fIOSCSIPrimaryCommandsDeviceReserved = NULL;
		
	}
	
	// Make sure to call our super
	super::free ( );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ message - Called by IOKit to deliver messages.				   [PUBLIC]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

IOReturn
IOSCSIPrimaryCommandsDevice::message (	UInt32 		type,
										IOService *	nub,
										void *		arg )
{
	
	IOReturn status;
	
	switch ( type )
	{
		
		// The device is no longer attached to the bus,
		// close provider so message will continue
		// to propagate up the driver stack.
		case kIOMessageServiceIsRequestingClose:
		{
			
			STATUS_LOG ( ( "%s: kIOMessageServiceIsRequestingClose Received\n", getName ( ) ) );
			
			fProtocolAccessEnabled = false;
			
			if ( fDeviceAccessEnabled == true )
			{
				
				fDeviceAccessEnabled = false;
				StopDeviceSupport ( );
				
			}
			
			if ( fKeySwitchNotifier != NULL )
			{
				
				fKeySwitchNotifier->remove ( );
				fKeySwitchNotifier = NULL;
				
			}
			
			TerminateDeviceSupport ( );
			
			if ( fProtocolDriver != NULL )
			{
				fProtocolDriver->close ( this );
			}
			
			status = kIOReturnSuccess;
			
		}
		break;

		case kSCSIServicesNotification_Suspend:
		{
			
			ERROR_LOG ( ( "type = kSCSIServicesNotification_Suspend, nub = %p\n", nub ) );
			fDeviceAccessSuspended = true;
			SuspendDeviceSupport ( );
			status = kIOReturnSuccess;
			
		}
		break;
		
		case kSCSIServicesNotification_Resume:
		{
			
			ERROR_LOG ( ( "type = kSCSIServicesNotification_Resume, nub = %p\n", nub ) );
			fDeviceAccessSuspended = false;
			ResumeDeviceSupport ( );
			status = kIOReturnSuccess;
			
		}
		break;

		case kSCSIProtocolNotification_VerifyDeviceState:
		{
			
			STATUS_LOG ( ("%s: kSCSIProtocolNotification_VerifyDeviceState Received\n", getName ( ) ) );
			status = VerifyDeviceState ( );
			
		}
		break;

		default:
		{
			status = super::message ( type, nub, arg );
		}
		break;
		
	}
	
	return status;
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ VerifyDeviceState - Used to verify that device is in a known state.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

IOReturn
IOSCSIPrimaryCommandsDevice::VerifyDeviceState ( void )
{
	return kIOReturnSuccess;
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ IsProtocolAccessEnabled - Returns whether protocol access is enabled
//								or not.								[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::IsProtocolAccessEnabled ( void )
{
	return fProtocolAccessEnabled;
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ IsDeviceAccessEnabled - Returns whether device access is enabled or not.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::IsDeviceAccessEnabled ( void )
{
	return fDeviceAccessEnabled;
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ IsDeviceAccessSuspended - Returns whether device access is suspended
//								or not.								[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::IsDeviceAccessSuspended ( void )
{
	return fDeviceAccessSuspended;
}


#if 0
#pragma mark -
#pragma mark ₯ Power Management Methods
#pragma mark -
#endif


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ setAggressiveness - 	Called by power management to tell us to change
//							the device aggressiveness values.		[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

IOReturn
IOSCSIPrimaryCommandsDevice::setAggressiveness ( UInt32 type, UInt32 minutes )
{
	
	UInt32	numStateTransitions = 0;
	
	if ( type == kPMMinutesToSpinDown )
	{
		
		STATUS_LOG ( ( "IOSCSIPrimaryCommandsDevice: setting idle timer to %ld min\n", minutes ) );
		
		numStateTransitions = GetNumberOfPowerStateTransitions ( );
		if ( numStateTransitions != 0 )
		{
			
			// Set the idle timer based on number of power state transitions
			setIdleTimerPeriod ( minutes * ( kSecondsInAMinute / numStateTransitions ) );
			
		}
		
		else
		{
			
			// The device has requested no transitions, don't do any
			// (except System Sleep, which is unavoidable).
			setIdleTimerPeriod ( 0 );
			
		}
		
	}
	
	return ( super::setAggressiveness ( type, minutes ) );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ ClearPowerOnReset - 	Clears any power-on sense data.			[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::ClearPowerOnReset ( void )
{
	
	SCSI_Sense_Data				senseBuffer;
	IOMemoryDescriptor *		bufferDesc;
	SCSITaskIdentifier			request;
	bool						driveReady 		= false;
	bool						result 			= true;
	SCSIServiceResponse 		serviceResponse = kSCSIServiceResponse_SERVICE_DELIVERY_OR_TARGET_FAILURE;
	
	bufferDesc = IOMemoryDescriptor::withAddress( ( void * ) &senseBuffer,
													kSenseDefaultSize,
													kIODirectionIn );
	
	request = GetSCSITask ( );
	
	do
	{
		
		if ( TEST_UNIT_READY ( request, 0 ) == true )
		{
			
			// The command was successfully built, now send it
			serviceResponse = SendCommand ( request, kTenSecondTimeoutInMS );
			
		}
		
		else
		{
			PANIC_NOW ( ( "IOSCSIPrimaryCommandsDevice::ClearPowerOnReset malformed command" ) );
		}
		
		if ( serviceResponse == kSCSIServiceResponse_TASK_COMPLETE )
		{
			
			bool validSense = false;
			
			if ( GetTaskStatus ( request ) == kSCSITaskStatus_CHECK_CONDITION )
			{
				
				validSense = GetAutoSenseData ( request, &senseBuffer, sizeof ( senseBuffer ) );
				if ( validSense == false )
				{
					
					if ( REQUEST_SENSE ( request, bufferDesc, kSenseDefaultSize, 0  ) == true )
					{
						
						// The command was successfully built, now send it
						serviceResponse = SendCommand ( request, kTenSecondTimeoutInMS );
						
					}
					
					else
					{
						PANIC_NOW ( ( "IOSCSIPrimaryCommandsDevice::ClearPowerOnReset REQUEST_SENSE malformed command" ) );
					}
					
					if ( serviceResponse == kSCSIServiceResponse_TASK_COMPLETE )
					{
						
						validSense = true;
						
					}
					
					else
					{
						IOSleep ( 200 );
					}
					
				}
				
				if ( validSense == true )
				{
					
					// Make sure we don't get a Unit Attention with power on reset qualifier or
					// medium changed qualifier
					
					if ( ( ( ( senseBuffer.SENSE_KEY & kSENSE_KEY_Mask ) == kSENSE_KEY_UNIT_ATTENTION  ) && 
							( senseBuffer.ADDITIONAL_SENSE_CODE == 0x29 ) &&
							( senseBuffer.ADDITIONAL_SENSE_CODE_QUALIFIER == 0x00 ) ) ||
						 ( ( ( senseBuffer.SENSE_KEY & kSENSE_KEY_Mask ) == kSENSE_KEY_UNIT_ATTENTION  ) && 
							( senseBuffer.ADDITIONAL_SENSE_CODE == 0x28 ) &&
							( senseBuffer.ADDITIONAL_SENSE_CODE_QUALIFIER == 0x00 ) ) )
					{
						
						STATUS_LOG ( ( "%s::drive NOT READY\n", getName ( ) ) );
						driveReady = false;
						IOSleep ( 200 );
						
					}
					
					else
					{
						
						driveReady = true;
						STATUS_LOG ( ( "%s::drive READY\n", getName ( ) ) );
						
					}
					
					STATUS_LOG ( ( "sense data: %01x, %02x, %02x\n",
								( senseBuffer.SENSE_KEY & kSENSE_KEY_Mask ),
								senseBuffer.ADDITIONAL_SENSE_CODE,
								senseBuffer.ADDITIONAL_SENSE_CODE_QUALIFIER ) );
					
				}
				
			}
			
			else
			{
				
				driveReady = true;
			
			}
			
		}
		
		else
		{
			
			// the command failed - perhaps the device was hot unplugged
			// give other threads some time to run.
			IOSleep ( 200 );
			
		}
	
	// check isInactive in case device was hot unplugged during sleep
	// and we are in an infinite loop here
	} while ( ( driveReady == false ) && ( isInactive ( ) == false ) );
	
	bufferDesc->release ( );
	ReleaseSCSITask ( request );
	
	result = isInactive ( ) ? false : true;
	
	return result;
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ CheckPowerConditionsModePage - Checks the power conditions mode page.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

void
IOSCSIPrimaryCommandsDevice::CheckPowerConditionsModePage ( void )
{

	UInt8						buffer[kPowerConditionsModePageSize];	
	IOMemoryDescriptor *		bufferDesc;
	IOReturn					status;
	bool						use10Byte = true;
	
	STATUS_LOG ( ( "%s::%s called\n", getName ( ), __FUNCTION__ ) );
	
	bufferDesc = IOMemoryDescriptor::withAddress (  ( void * ) buffer,
													kPowerConditionsModePageSize,
													kIODirectionIn );
	
	if ( bufferDesc != NULL )
	{
	
	
		status = GetModeSense ( bufferDesc,
								kPowerConditionsModePage,
								kPowerConditionsModePageSize,
								&use10Byte );
		if ( status == kIOReturnSuccess )
		{
			
			if ( ( buffer[8] & 0x3F ) == kPowerConditionsModePage )
			{
				
				STATUS_LOG ( ( "Device supports power conditions page\n" ) );
				
				// This device supports the power conditions mode page, so set
				// our flag to true
				fDeviceSupportsPowerConditions = true;
				
			}
			
		}
		
		bufferDesc->release ( );
		
	}
	
	#if ( SCSI_SPC_DEVICE_DEBUGGING_LEVEL > 0 )
		setProperty ( kIOPropertyPowerConditionsSupportedKey, fDeviceSupportsPowerConditions );
	#endif /* SCSI_SPC_DEVICE_DEBUGGING_LEVEL */
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ IncrementOutstandingCommandsCount - 	Called to increment the number of
//											outstanding commands.	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

void
IOSCSIPrimaryCommandsDevice::IncrementOutstandingCommandsCount ( void )
{
	
	fCommandGate->runAction ( ( IOCommandGate::Action )
		&IOSCSIPrimaryCommandsDevice::sIncrementOutstandingCommandsCount );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
//	₯ sIncrementOutstandingCommandsCount - C->C++ glue code.
//															[STATIC][PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

void
IOSCSIPrimaryCommandsDevice::sIncrementOutstandingCommandsCount (
									IOSCSIPrimaryCommandsDevice * self )
{
	
	self->HandleIncrementOutstandingCommandsCount ( );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ HandleIncrementOutstandingCommandsCount - 	Increments number of
//												outstanding commands.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

void
IOSCSIPrimaryCommandsDevice::HandleIncrementOutstandingCommandsCount ( void )
{
	
	fNumCommandsOutstanding++;	
	
}


#if 0
#pragma mark -
#pragma mark ₯ΚSCSI Task Get and Release
#pragma mark -
#endif


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetSCSITask - 	Gets a SCSITask for use by the caller.			[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSITaskIdentifier 
IOSCSIPrimaryCommandsDevice::GetSCSITask ( void )
{
	
	SCSITask *	newTask = new SCSITask;
	
	check ( newTask );
	
	newTask->SetTaskOwner ( this );
	
	// thread safe increment outstanding command count
	IncrementOutstandingCommandsCount ( );
	
	// Make sure the object is not removed if there is a pending
	// command.
	retain ( );
	
	return ( SCSITaskIdentifier ) newTask;
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ ReleaseSCSITask - 	Releases a SCSITask.						[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

void 
IOSCSIPrimaryCommandsDevice::ReleaseSCSITask ( SCSITaskIdentifier request )
{
	
	require_nonzero ( request, Exit );
	
	// decrement outstanding command count
	fNumCommandsOutstanding--;
	
	request->release ( );
	
	// Since the command has been released, let go of the retain on this
	// object.
	release ( );
	
	
Exit:
	
	
	return;
	
}


#if 0
#pragma mark -
#pragma mark ₯ Supporting Object Accessor Methods
#pragma mark -
#endif


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetProtocolDriver - Returns the protocol driver.				[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

IOSCSIProtocolInterface *
IOSCSIPrimaryCommandsDevice::GetProtocolDriver ( void )
{
	
	check ( fProtocolDriver );
	return fProtocolDriver;
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetSCSIPrimaryCommandObject - Returns SCSIPrimaryCommands object.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSIPrimaryCommands	*
IOSCSIPrimaryCommandsDevice::GetSCSIPrimaryCommandObject ( void )
{
	
	STATUS_LOG ( ( "%s: getSCSIPrimaryCommandObject called.\n", getName ( ) ) );
	return fSCSIPrimaryCommandObject;
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ CreateCommandSetObjects - Called to create command set objects.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::CreateCommandSetObjects ( void )
{
	
	bool	result = false;
	
	fSCSIPrimaryCommandObject =
		SCSIPrimaryCommands::CreateSCSIPrimaryCommandObject ( );
	require_nonzero ( fSCSIPrimaryCommandObject, ErrorExit );
	
	result = true;
	
	
ErrorExit:
	
	
	return result;
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ FreeCommandSetObjects - Called to free command set objects.	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

void
IOSCSIPrimaryCommandsDevice::FreeCommandSetObjects ( void )
{
	
	if ( fSCSIPrimaryCommandObject != NULL )
	{
		
		fSCSIPrimaryCommandObject->release( );
		fSCSIPrimaryCommandObject = NULL;
		
	}
	
}


#if 0
#pragma mark -
#pragma mark ₯ Task Execution Support Methods
#pragma mark -
#endif


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ TaskCallback - Called to complete a task.						[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

void
IOSCSIPrimaryCommandsDevice::TaskCallback ( SCSITaskIdentifier completedTask )
{
	
	SCSIServiceResponse 	serviceResponse;
	SCSITask *				scsiRequest;
	IOSyncer *				fSyncLock;
	
	scsiRequest = OSDynamicCast ( SCSITask, completedTask );
	require_nonzero ( scsiRequest, ErrorExit );
	
	fSyncLock = ( IOSyncer * ) scsiRequest->GetApplicationLayerReference ( );
	check ( fSyncLock );
	
	serviceResponse = scsiRequest->GetServiceResponse ( );
	fSyncLock->signal ( serviceResponse, false );
	
	return;
	
	
ErrorExit:
	
	
	IOPanic ( "IOSCSIPrimaryCommandsDevice::TaskCallback called with no SCSITask\n" );
	return;
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SendCommand - Called to send a command synchronously.			[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSIServiceResponse
IOSCSIPrimaryCommandsDevice::SendCommand (
					SCSITaskIdentifier	request,
					UInt32				timeoutDuration )
{
	
	SCSIServiceResponse 	serviceResponse = kSCSIServiceResponse_SERVICE_DELIVERY_OR_TARGET_FAILURE;
	IOSyncer *				fSyncLock		= NULL;
	
	require ( IsProtocolAccessEnabled ( ), ProtocolAccessDisabledError );
	
	fSyncLock = IOSyncer::create ( false );
	require_nonzero ( fSyncLock, SyncerCreationFailedError );
	
	fSyncLock->signal ( kIOReturnSuccess, false );
	
	SetTimeoutDuration ( request, timeoutDuration );
	SetTaskCompletionCallback ( request, &IOSCSIPrimaryCommandsDevice::TaskCallback );
	SetApplicationLayerReference ( request, ( void * ) fSyncLock );
	
	SetAutosenseCommand ( request,
						  kSCSICmd_REQUEST_SENSE,
						  0x00,
						  0x00,
						  0x00,
						  sizeof ( SCSI_Sense_Data ),
						  0x00 );
	
	fSyncLock->reinit ( );
	GetProtocolDriver ( )->ExecuteCommand ( request );
	
	// Wait for the completion routine to get called
	serviceResponse = ( SCSIServiceResponse) fSyncLock->wait ( false );
	fSyncLock->release ( );
	
	return serviceResponse;
	
	
SyncerCreationFailedError:
ProtocolAccessDisabledError:
	
	
	SetServiceResponse ( request, serviceResponse );
	SetTaskStatus ( request, kSCSITaskStatus_No_Status );
	
	return serviceResponse;
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SendCommand - Called to send a command asynchronously.			[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

void 
IOSCSIPrimaryCommandsDevice::SendCommand ( 
						SCSITaskIdentifier	request,
						UInt32 				timeoutDuration,
						SCSITaskCompletion 	taskCompletion )
{
	
	SetTaskCompletionCallback ( request, taskCompletion );
	
	require ( IsProtocolAccessEnabled ( ), ProtocolAccessDisabledError );
	
	SetTimeoutDuration ( request, timeoutDuration );
	
	SetAutosenseCommand ( request,
						  kSCSICmd_REQUEST_SENSE,
						  0x00,
						  0x00,
						  0x00,
						  sizeof ( SCSI_Sense_Data ),
						  0x00 );
	
	GetProtocolDriver ( )->ExecuteCommand ( request );
	
	return;
	
	
ProtocolAccessDisabledError:
	
	
	SetServiceResponse ( request,
						 kSCSIServiceResponse_SERVICE_DELIVERY_OR_TARGET_FAILURE );
	SetTaskStatus ( request, kSCSITaskStatus_No_Status );
	// The task has completed, execute the callback.
	TaskCompletedNotification ( request );
	
	return;
	
}


#if 0
#pragma mark -
#pragma mark ₯ SCSI Task Field Accessors
#pragma mark -
#endif


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SetTaskAttribute - Sets the SCSITaskAttribute.					[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::SetTaskAttribute (
									SCSITaskIdentifier	request,
									SCSITaskAttribute	newAttribute )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->SetTaskAttribute ( newAttribute );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetTaskAttribute - Gets the SCSITaskAttribute.					[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSITaskAttribute
IOSCSIPrimaryCommandsDevice::GetTaskAttribute ( SCSITaskIdentifier request )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->GetTaskAttribute ( );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SetTaskState - Sets the SCSITaskState.							[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::SetTaskState ( SCSITaskIdentifier	request,
											SCSITaskState		newTaskState )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->SetTaskState ( newTaskState );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetTaskState - Gets the SCSITaskState.							[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSITaskState
IOSCSIPrimaryCommandsDevice::GetTaskState ( SCSITaskIdentifier request )
{
	
	SCSITask *	scsiRequest;

	scsiRequest = OSDynamicCast ( SCSITask, request );
	return scsiRequest->GetTaskState( );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SetTaskStatus - Sets the SCSITaskStatus.						[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::SetTaskStatus ( SCSITaskIdentifier	request,
											 SCSITaskStatus		newStatus )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->SetTaskStatus ( newStatus );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetTaskStatus - Gets the SCSITaskStatus.						[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSITaskStatus
IOSCSIPrimaryCommandsDevice::GetTaskStatus ( SCSITaskIdentifier request )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->GetTaskStatus ( );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SetDataTransferDirection - Sets the data transfer direction.	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::SetDataTransferDirection (
									SCSITaskIdentifier	request,
									UInt8				newDirection )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	return scsiRequest->SetDataTransferDirection ( newDirection );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetDataTransferDirection - Gets the data transfer direction.	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

UInt8
IOSCSIPrimaryCommandsDevice::GetDataTransferDirection (
										SCSITaskIdentifier	request )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->GetDataTransferDirection ( );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SetRequestedDataTransferCount - Sets the requested data transfer count.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::SetRequestedDataTransferCount (
										SCSITaskIdentifier	request,
										UInt64				newRequestedCount )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->SetRequestedDataTransferCount ( newRequestedCount );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetRequestedDataTransferCount - Gets the requested data transfer count.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

UInt64
IOSCSIPrimaryCommandsDevice::GetRequestedDataTransferCount (
										SCSITaskIdentifier	request )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->GetRequestedDataTransferCount ( );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SetRealizedDataTransferCount - Sets the realized data transfer count.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::SetRealizedDataTransferCount (
										SCSITaskIdentifier	request,
										UInt64				newRealizedDataCount )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->SetRealizedDataTransferCount ( newRealizedDataCount );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetRealizedDataTransferCount - Gets the realized data transfer count.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

UInt64
IOSCSIPrimaryCommandsDevice::GetRealizedDataTransferCount (
										SCSITaskIdentifier	request )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->GetRealizedDataTransferCount ( );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SetDataBuffer - Sets the data buffer.							[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::SetDataBuffer ( SCSITaskIdentifier		request,
											 IOMemoryDescriptor *	newBuffer )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->SetDataBuffer ( newBuffer );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetDataBuffer - Gets the data buffer.							[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

IOMemoryDescriptor *
IOSCSIPrimaryCommandsDevice::GetDataBuffer ( SCSITaskIdentifier request )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->GetDataBuffer ( );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SetTimeoutDuration - Sets the timeout duration in milliseconds.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::SetTimeoutDuration (
											SCSITaskIdentifier	request,
											UInt32				newTimeout )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->SetTimeoutDuration ( newTimeout );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetTimeoutDuration - Gets the timeout duration in milliseconds.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

UInt32
IOSCSIPrimaryCommandsDevice::GetTimeoutDuration ( SCSITaskIdentifier request )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->GetTimeoutDuration ( );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SetTaskCompletionCallback - Sets the completion routine.		[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::SetTaskCompletionCallback ( 
										SCSITaskIdentifier 		request,
										SCSITaskCompletion 		newCallback )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->SetTaskCompletionCallback ( newCallback );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ TaskCompletedNotification - Calls the completion routine.		[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

void
IOSCSIPrimaryCommandsDevice::TaskCompletedNotification (  
										SCSITaskIdentifier 		request )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->TaskCompletedNotification ( );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SetServiceResponse - Sets the SCSIServiceResponse.				[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::SetServiceResponse ( 
										SCSITaskIdentifier 		request,
										SCSIServiceResponse 	serviceResponse )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->SetServiceResponse ( serviceResponse );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetServiceResponse - Gets the SCSIServiceResponse.				[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSIServiceResponse
IOSCSIPrimaryCommandsDevice::GetServiceResponse ( 
										SCSITaskIdentifier 		request )
{
	
	SCSITask *	scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->GetServiceResponse ( );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SetAutosenseCommand - Sets the autosense command.				[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::SetAutosenseCommand (
										SCSITaskIdentifier 		request,
										UInt8					cdbByte0,
										UInt8					cdbByte1,
										UInt8					cdbByte2,
										UInt8					cdbByte3,
										UInt8					cdbByte4,
										UInt8					cdbByte5 )
{
	
	SCSITask *		scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->SetAutosenseCommand ( cdbByte0, cdbByte1, cdbByte2,
											  cdbByte3, cdbByte4, cdbByte5 );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetAutoSenseData - Gets the autosense data.		[DEPRECATED][PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::GetAutoSenseData ( SCSITaskIdentifier	request,
												SCSI_Sense_Data *	senseData )
{
	return GetAutoSenseData ( request, senseData, sizeof ( SCSI_Sense_Data ) );
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetAutoSenseData - Gets the autosense data.					[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::GetAutoSenseData ( SCSITaskIdentifier	request,
												SCSI_Sense_Data *	senseData,
												UInt8				senseDataSize )
{
	
	SCSITask *		scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->GetAutoSenseData ( senseData, senseDataSize );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetAutoSenseDataSize - Gets the autosense data size.			[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

UInt8
IOSCSIPrimaryCommandsDevice::GetAutoSenseDataSize ( SCSITaskIdentifier request )
{
	
	SCSITask *		scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->GetAutoSenseDataSize ( );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SetApplicationLayerReference - Sets the application layer refcon.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::SetApplicationLayerReference (
									SCSITaskIdentifier	request,
									void *				newReferenceValue )
{
	
	SCSITask *		scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->SetApplicationLayerReference ( newReferenceValue );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetApplicationLayerReference - Gets the application layer refcon.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

void *
IOSCSIPrimaryCommandsDevice::GetApplicationLayerReference (
										SCSITaskIdentifier	request )
{
	
	SCSITask *		scsiRequest;
	
	scsiRequest = OSDynamicCast ( SCSITask, request );
	check ( scsiRequest );
	
	return scsiRequest->GetApplicationLayerReference ( );
	
}


#if 0
#pragma mark -
#pragma mark ₯ Device Information Methods
#pragma mark -
#endif


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetVendorString - Gets the vendor string.						[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

char *
IOSCSIPrimaryCommandsDevice::GetVendorString ( void )
{
	
	OSString *		vendorString;
	
	vendorString = ( OSString * ) GetProtocolDriver ( )->getProperty (
										kIOPropertySCSIVendorIdentification );
	if ( vendorString != NULL )
	{
		return ( ( char * ) vendorString->getCStringNoCopy ( ) );
	}
	
	else
	{
		return "NULL STRING";
	}
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetProductString - Gets the product string.					[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

char *
IOSCSIPrimaryCommandsDevice::GetProductString ( void )
{
	
	OSString *		productString;
	
	productString = ( OSString * ) GetProtocolDriver ( )->getProperty (
										kIOPropertySCSIProductIdentification );
	if ( productString != NULL )
	{
		return ( ( char * ) productString->getCStringNoCopy ( ) );
	}
	
	else
	{
		return "NULL STRING";
	}
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetRevisionString - Gets the product revision level string.	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

char *
IOSCSIPrimaryCommandsDevice::GetRevisionString ( void )
{
	
	OSString *		revisionString;
	
	STATUS_LOG ( ( "%s::%s\n", getName ( ), __FUNCTION__ ) );
	
	revisionString = ( OSString * ) GetProtocolDriver ( )->getProperty (
										kIOPropertySCSIProductRevisionLevel );
	
	if ( revisionString != NULL )
	{
		return ( ( char * ) revisionString->getCStringNoCopy ( ) );
	}
	
	else
	{
		return "NULL STRING";
	}
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetProtocolCharacteristicsDictionary - Gets the protocol characteristics
//											dictionary.				[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

OSDictionary *
IOSCSIPrimaryCommandsDevice::GetProtocolCharacteristicsDictionary ( void )
{
	
	return ( OSDictionary * ) GetProtocolDriver ( )->getProperty (
										kIOPropertyProtocolCharacteristicsKey );
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetDeviceCharacteristicsDictionary - 	Gets the device characteristics
//											dictionary.				[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

OSDictionary *
IOSCSIPrimaryCommandsDevice::GetDeviceCharacteristicsDictionary ( void )
{
	
	check ( fDeviceCharacteristicsDictionary );
	return fDeviceCharacteristicsDictionary;
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetANSIVersion - Gets the ANSI version the device claims conformance to.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

UInt8
IOSCSIPrimaryCommandsDevice::GetANSIVersion ( void )
{
	
	return fANSIVersion;
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ SetANSIVersion - Sets the ANSI version the device claims conformance to.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

void
IOSCSIPrimaryCommandsDevice::SetANSIVersion ( UInt8 newVersion )
{
	
	fANSIVersion = newVersion;
	
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ GetModeSense - Called to get mode sense data from the device.	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

IOReturn
IOSCSIPrimaryCommandsDevice::GetModeSense ( 
						IOMemoryDescriptor *		dataBuffer,
						SCSICmdField6Bit 			PAGE_CODE,
						SCSICmdField2Byte 			ALLOCATION_LENGTH,
						bool *						use10ByteModeSense )
{
	
	SCSIServiceResponse			serviceResponse = kSCSIServiceResponse_SERVICE_DELIVERY_OR_TARGET_FAILURE;
	SCSITaskIdentifier			request			= NULL;
	SCSICmdField1Bit			DBD				= 0;
	IOReturn					status			= kIOReturnNoResources;
	bool						commandOK		= false;
	
	request = GetSCSITask ( );
	require_nonzero ( request, ErrorExit );
	
OUTERLOOP:
		
		
		DBD = 1;	/* Disable block descriptors */
		
		
	INNERLOOP:
		
		
		if ( *use10ByteModeSense )
		{
			
			commandOK = MODE_SENSE_10 ( request,
										dataBuffer,
										0x00,
										DBD,	
										0x00,
										PAGE_CODE,
										ALLOCATION_LENGTH,
										0 );
			
		}
		
		else
		{
			
			commandOK = MODE_SENSE_6 (	request,
										dataBuffer,
										DBD,	
										0x00,
										PAGE_CODE,
										ALLOCATION_LENGTH & 0xFF,
										0 );
			
		}
		
		if ( commandOK )
		{
			
			// The command was successfully built, now send it
			serviceResponse = SendCommand ( request, kThirtySecondTimeoutInMS );
			
		}
		
		else
		{
			PANIC_NOW ( ( "IOSCSIMultimediaCommandsDevice::GetMechanicalCapabilitiesSize malformed command" ) );
		}
		
		if ( ( serviceResponse == kSCSIServiceResponse_TASK_COMPLETE ) &&
			 ( GetTaskStatus ( request ) == kSCSITaskStatus_GOOD ) )
		{
 			
			if ( GetRealizedDataTransferCount ( request ) == GetRequestedDataTransferCount ( request ) )
			{
				
				status = kIOReturnSuccess;
				
			}
			
			else if ( GetRealizedDataTransferCount ( request ) < GetRequestedDataTransferCount ( request ) )
 			{
 				
				status 	= kIOReturnUnderrun;
				
			}
			
			else
			{
				
				status = kIOReturnIOError;
				
			}
			
		}
		
		else
		{
			
			// Something went wrong. Try again with DBD=0
			if ( DBD == 1 )
			{
				
				ERROR_LOG ( ( "Trying again with DBD=0\n" ) );
				
				DBD = 0;
				goto INNERLOOP;
				
			}
			
			ERROR_LOG ( ( "Modes sense returned error\n" ) );
			
		}
		
		if ( status != kIOReturnSuccess )
		{
			
			// Something went wrong. Try again with use10Byte = false
			if ( *use10ByteModeSense )
			{
				
				ERROR_LOG ( ( "Trying again with MODE_SENSE_6 command\n" ) );
				
				*use10ByteModeSense = false;
				goto OUTERLOOP;
				
			}
			
			ERROR_LOG ( ( "Modes sense returned error\n" ) );
			
		}
	
	ReleaseSCSITask ( request );
	
	
ErrorExit:
	
	
	return status;
	
}


#if 0
#pragma mark -
#pragma mark ₯ SCSI Protocol Interface Implementations
#pragma mark -
#endif


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ ExecuteCommand - 	The ExecuteCommand method will take a SCSI Task and
//						transport it across the physical wire(s) to the device.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ


void
IOSCSIPrimaryCommandsDevice::ExecuteCommand ( SCSITaskIdentifier request )
{
	GetProtocolDriver ( )->ExecuteCommand ( request );
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ AbortCommand -	The AbortCommand method is replaced by the AbortTask
//					Management function and should no longer be called.
//														  			[PROTECTED]
// [OBSOLETE - DO NOT USE]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSIServiceResponse
IOSCSIPrimaryCommandsDevice::AbortCommand ( SCSITaskIdentifier request )
{
	return GetProtocolDriver ( )->AbortCommand ( request );
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ AbortTask -	The Task Management function to allow the SCSI Application
// 					Layer client to request that a specific task be aborted.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSIServiceResponse
IOSCSIPrimaryCommandsDevice::AbortTask (
								UInt8						theLogicalUnit,
								SCSITaggedTaskIdentifier	theTag )
{
	return GetProtocolDriver ( )->AbortTask ( theLogicalUnit, theTag );
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ AbortTaskSet -	The Task Management function to allow the SCSI Application
//					Layer client to request that a all tasks currently in the
//					task set be aborted.							[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSIServiceResponse
IOSCSIPrimaryCommandsDevice::AbortTaskSet ( UInt8 theLogicalUnit )
{
	return GetProtocolDriver ( )->AbortTaskSet ( theLogicalUnit );
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ ClearACA -	The Task Management function to allow the SCSI Application
//				Layer client to request that an Auto-Contingent Allegiance
//				be cleared.											[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSIServiceResponse
IOSCSIPrimaryCommandsDevice::ClearACA ( UInt8 theLogicalUnit )
{
	return GetProtocolDriver ( )->ClearACA ( theLogicalUnit );
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ ClearTaskSet -	The Task Management function to allow the SCSI Application
//					Layer client to request that the task set be cleared.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSIServiceResponse		
IOSCSIPrimaryCommandsDevice::ClearTaskSet ( UInt8 theLogicalUnit )
{
	return GetProtocolDriver ( )->ClearTaskSet ( theLogicalUnit );
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ LogicalUnitReset -	The Task Management function to allow the SCSI Application
//						Layer client to request that the Logical Unit be reset.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSIServiceResponse
IOSCSIPrimaryCommandsDevice::LogicalUnitReset ( UInt8 theLogicalUnit )
{
	return GetProtocolDriver ( )->LogicalUnitReset ( theLogicalUnit );
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ TargetReset -	The Task Management function to allow the SCSI Application
//					Layer client to request that the Target Device be reset.
//																	[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

SCSIServiceResponse
IOSCSIPrimaryCommandsDevice::TargetReset ( void )
{
	return GetProtocolDriver ( )->TargetReset ( );
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ IsProtocolServiceSupported -	The IsProtocolServiceSupported will return
//									true if the specified feature is supported
//									by the protocol layer. If the service has
//									a value that must be returned, it will be
//									returned in the serviceValue output
//									parameter.						[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::IsProtocolServiceSupported (
										SCSIProtocolFeature		feature,
										void *					serviceValue )
{
	return GetProtocolDriver ( )->IsProtocolServiceSupported ( feature, serviceValue );
}


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ HandleProtocolServiceFeature -	The HandleProtocolServiceFeature will
//									return true if the specified feature could
//									be done by the protocol layer. If the
//									service has a value that must be sent, it
//									will be sent in the serviceValue input
//									parameter.						[PROTECTED]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::HandleProtocolServiceFeature (
										SCSIProtocolFeature		feature,
										void *					serviceValue )
{
	return GetProtocolDriver ( )->HandleProtocolServiceFeature ( feature, serviceValue );
}


#if 0
#pragma mark -
#pragma mark ₯ Static Methods C->C++ Glue
#pragma mark -
#endif


//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ
// ₯ ServerKeyswitchCallback -	Called when notifications about the server
//								keyswitch are broadcast.	  [STATIC][PRIVATE]
//ΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡΡ

bool
IOSCSIPrimaryCommandsDevice::ServerKeyswitchCallback (
									void *			target,
									void * 			refCon,
									IOService * 	newDevice )
{
	
	OSBoolean *						shouldNotPoll	= NULL;
	IOSCSIPrimaryCommandsDevice *	device			= NULL;
	
	shouldNotPoll = OSDynamicCast (
							OSBoolean,
							newDevice->getProperty ( kKeySwitchProperty ) );
	
	device = OSDynamicCast ( IOSCSIPrimaryCommandsDevice, ( OSObject * ) target );
	
	if ( ( shouldNotPoll != NULL ) && ( device != NULL ) )
	{
		
		// Is the key unlocked?
		if ( shouldNotPoll->isFalse ( ) )
		{
			
			// Key is unlocked, start resuming device support
			device->ResumeDeviceSupport ( );
			
		}
		
		else if ( shouldNotPoll->isTrue ( ) )
		{
			
			// Key is locked, suspend device support
			device->SuspendDeviceSupport ( );
			
		}
		
	}
	
	return true;
	
}


#if 0
#pragma mark -
#pragma mark ₯ VTable Padding
#pragma mark -
#endif


// Space reserved for future expansion.
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice,  1 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice,  2 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice,  3 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice,  4 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice,  5 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice,  6 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice,  7 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice,  8 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice,  9 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice, 10 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice, 11 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice, 12 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice, 13 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice, 14 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice, 15 );
OSMetaClassDefineReservedUnused ( IOSCSIPrimaryCommandsDevice, 16 );