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// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// Provides utilities to build SCSI commands
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//
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//
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/**
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@file
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@internalTechnology
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*/
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#ifndef __SCSICMDBUILDER_H__
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#define __SCSICMDBUILDER_H__
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#include <e32std.h>
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#include <f32file.h>
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const TInt KScsiCmdMaxLen = 10;
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const TInt KCbwLength = 31;
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const TInt KCswLength = 13;
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const TInt KKiloBytes = 1024;
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GLREF_D TBuf8<KScsiCmdMaxLen> scsiCmdBuf;
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/**
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builds read/write SCSI command
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*/
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GLREF_C void BuildReadWrite(TInt aFlag, TInt aLogicalBlkAddr, TInt aTotalBlks);
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/**
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Builds prevent/allow medium removal SCSI command
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@param aFlag: indicating if the command is to allow or prevent medium removal
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*/
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GLREF_C void BuildMediumRemoval(TInt aFlag);
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/**
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Builds a test unit ready SCSI command
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*/
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GLREF_C void BuildTestUnitReady();
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/**
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Builds a start/stop unit command
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@param aFlag: indicating if the command is to start or stop unit
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*/
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GLREF_C void BuildStartStopUnit(TInt aFlag);
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/**
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Copy an int. Little endian
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@param dest the destination
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@param source the source
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*/
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GLREF_C void fillInt(TUint8* dest, TInt source);
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/**
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Extracts an integer from a buffer. Assume little endian
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*/
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GLREF_C TInt extractInt(const TUint8* aBuf);
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/**
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Builds a CBW message
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@param aCbw: stores CBW
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@param aDCBWTag: a command block tag sent by the host. Used to associates a CSW
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with corresponding CBW
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@param aDataTranferLen: the number of bytes the host expects to transfer
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@param aInOutFlag: value for bmCBWFlags field, indicating the direction of transfer
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@param aCBWCB: the actual command to be wrapped
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@param aTestLun: local unit number
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*/
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GLREF_C void createCBW(TDes8& aCbw, TInt aDCBWTag, TInt aDataTransferLen, TUint8 aInOutFlag, TDes8& aCBWCB, TUint8 aTestLun);
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#endif // __SCSICMDBUILDER_H__
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