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// Copyright (c) 2008-2009 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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//
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/**
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@file
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@internalTechnology
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*/
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#ifndef TSCSICLIENTREQ_H
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#define TSCSICLIENTREQ_H
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/**
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Data type for GROUP CODE
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SAM-2 5.2.2
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SPC-3 4.3.4.1
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*/
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typedef TUint8 TGroupCode;
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/**
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Data type for ALLOCATION LENGTH
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SPC-2 4.3.4.6
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SPC-3 4.3.4.6
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*/
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typedef TUint TAllocationLength; // 1 Byte
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/**
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Base class to decode SCSI RESPONSE
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*/
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class TScsiClientResp: public MClientCommandServiceResp
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{
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public:
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TScsiClientResp() {};
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};
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/**
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Base class to encode a SCSI REQUEST which implements the SCSI header encoding
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*/
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class TScsiClientReq: public MClientCommandServiceReq
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{
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public:
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/** SCSI OPERATION CODE */
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enum TOperationCode
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{
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ETestUnitReady = 0x00,
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ERequestSense = 0x03,
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EInquiry = 0x12,
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EModeSense6 = 0x1A,
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EStartStopUnit = 0x1B,
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EPreventMediaRemoval = 0x1E,
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EReadFormatCapacities = 0x23,
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EReadCapacity10 = 0x25,
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ERead10 = 0x28,
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EWrite10 = 0x2A,
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EVerify10 = 0x2f,
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EModeSense10 = 0x5A,
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EUndefinedCommand = 0xFF
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};
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TScsiClientReq(TOperationCode aOperationCode);
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virtual TInt EncodeRequestL(TDes8& aBuffer) const;
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private:
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TUint8 GetControlByte() const;
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TGroupCode GetGroupCode() const;
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TBool IsDataDirectionOut() const;
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TUint32 DataLength() const;
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public:
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/** SCSI OPERATION CODE of CDB byte, SAM-2 5.2.2 */
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const TOperationCode iOperationCode;
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/** SCSI NACA field of CDB CONTROL Byte. SAM-2 5.2.3 */
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TBool iNaca;
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/** SCSI LINK field of CDB CONTROL Byte. SAM-2 5.2.3 */
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TBool iLink;
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};
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#include "tscsiclientreq.inl"
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#endif // TSCSICLIENTREQ_H
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