sl@0: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalTechnology
sl@0: */
sl@0: 
sl@0: #ifndef TSCSICLIENTREQ_H
sl@0: #define TSCSICLIENTREQ_H
sl@0: 
sl@0: /**
sl@0: Data type for GROUP CODE
sl@0: SAM-2 5.2.2
sl@0: SPC-3 4.3.4.1
sl@0: */
sl@0: typedef TUint8 TGroupCode;
sl@0: 
sl@0: /**
sl@0: Data type for ALLOCATION LENGTH
sl@0: SPC-2 4.3.4.6
sl@0: SPC-3 4.3.4.6
sl@0: */
sl@0: typedef TUint TAllocationLength;    // 1 Byte
sl@0: 
sl@0: /**
sl@0: Base class to decode SCSI RESPONSE
sl@0: */
sl@0: class TScsiClientResp: public MClientCommandServiceResp
sl@0:     {
sl@0: public:
sl@0:     TScsiClientResp() {};
sl@0:     };
sl@0: 
sl@0: 
sl@0: /**
sl@0: Base class to encode a SCSI REQUEST which implements the SCSI header encoding
sl@0: */
sl@0: class TScsiClientReq: public MClientCommandServiceReq
sl@0:     {
sl@0: public:
sl@0:     /** SCSI OPERATION CODE */
sl@0:     enum TOperationCode
sl@0:         {
sl@0:         ETestUnitReady			= 0x00,
sl@0:         ERequestSense			= 0x03,
sl@0:         EInquiry 				= 0x12,
sl@0:         EModeSense6				= 0x1A,
sl@0:         EStartStopUnit			= 0x1B,
sl@0:         EPreventMediaRemoval	= 0x1E,
sl@0:         EReadFormatCapacities	= 0x23,
sl@0:         EReadCapacity10			= 0x25,
sl@0:         ERead10 				= 0x28,
sl@0:         EWrite10				= 0x2A,
sl@0:         EVerify10				= 0x2f,
sl@0:         EModeSense10			= 0x5A,
sl@0:         EUndefinedCommand		= 0xFF
sl@0:         };
sl@0: 
sl@0:     TScsiClientReq(TOperationCode aOperationCode);
sl@0: 
sl@0:     virtual TInt EncodeRequestL(TDes8& aBuffer) const;
sl@0: 
sl@0: private:
sl@0:     TUint8 GetControlByte() const;
sl@0:     TGroupCode GetGroupCode() const;
sl@0: 
sl@0:     TBool IsDataDirectionOut() const;
sl@0:     TUint32 DataLength() const;
sl@0: 
sl@0: public:
sl@0:     /** SCSI OPERATION CODE of CDB byte, SAM-2 5.2.2 */
sl@0:     const TOperationCode iOperationCode;
sl@0:     /** SCSI NACA field of CDB CONTROL Byte. SAM-2 5.2.3 */
sl@0:     TBool iNaca;
sl@0:     /** SCSI LINK field of CDB CONTROL Byte. SAM-2 5.2.3 */
sl@0:     TBool iLink;
sl@0:     };
sl@0: 
sl@0: #include "tscsiclientreq.inl"
sl@0: 
sl@0: #endif // TSCSICLIENTREQ_H