// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

/**

 @file

 @internalTechnology

*/

#ifndef TSCSIPRIMARYCMDS_H

#define TSCSIPRIMARYCMDS_H

/**

Encodes SCSI INQUIRY REQUEST

Ref SPC-2 7.3.1

Ref SPC-3 6.4

*/

class TScsiClientInquiryReq: public TScsiClientReq

    {

public:

    /** Length of INQUIRY response */

    static const TUint KResponseLength = 36;

    TScsiClientInquiryReq();

    TInt EncodeRequestL(TDes8& aBuffer) const;

    void SetEvpd(TUint8 aPageCode);

    void SetCmdDt(TUint8 aOperationCode);

    void SetAllocationLength(TAllocationLength aAllocationLength);

public:

    /** SCSI CmdDt field */

    TBool iCmdDt;

    /** SCSI EVPD field */

	TBool iEvpd;

    /** SCSI PAGE field */

	TUint8 iPage;

    /** SCSI ALLOCATION LENGTH */

    TAllocationLength iAllocationLength;

    };

/**

Represents the SCSI INQUIRY RESPONSE PRODUCT IDENTIFICATION information

*/

class TMassStorageConfig

    {

public:

    /** SCSI VENDOR ID field */

    TBuf<8> iVendorId;

    /** SCSI PRODUCT ID field */

    TBuf<16> iProductId;

    /** SCSI PRODUCT REVISION field */

    TBuf<4> iProductRev;

    };

/**

Represents the SCSI INQUIRY RESPONSE PERIPHERAL device information

*/

class TPeripheralInfo

    {

public:

    /** Medium removable flag */

    TBool iRemovable;

    /** SCSI PERIPHERAL QUALIFIER */

    TUint8 iPeripheralQualifier;

    /** SCSI PERIPHEREAL DEVICE TYPE */

    TUint8 iPeripheralDeviceType;

    /** SCSI RESPONSE DATA FORMAT */

    TUint8 iResponseDataFormat;

    /** SCSI VERSION */

    TUint8 iVersion;

    /** Device product information (vendor id, product id, revision) */

    TMassStorageConfig iIdentification;

    };

/**

Decodes SCSI INQUIRY REQUEST

*/

class TScsiClientInquiryResp: public TScsiClientResp

    {

public:

    /** Length of INQUIRY response */

    static const TInt KResponseLength = 36;

    TScsiClientInquiryResp(TPeripheralInfo& aPeripheralInfo);

    TInt DataLength() const {return KResponseLength;}

    void DecodeL(const TDesC8& aPtr);

private:

    void DecodeInquiry(const TDesC8& aPtr);

public:

    /** Device peripheral info fields */

    TPeripheralInfo& iPeripheralInfo;

    };

/**

Data type for PREVENT field

SPC-2, 7.12 Table 78

SPC-3, 6.13 Table 119

*/

typedef TBool TPrevent;

/**

Encodes SCSI PREVENT MEDIA REMOVAL REQUEST

SPC-2 7.12

SPC-3 6.13

*/

class TScsiClientPreventMediaRemovalReq: public TScsiClientReq

    {

public:

    TScsiClientPreventMediaRemovalReq(TPrevent aPrevent);

    TInt EncodeRequestL(TDes8& aBuffer) const;

private:

    TPrevent iPrevent;

    };

/**

Encodes SCSI REQUEST SENSE REQUEST

*/

class TScsiClientRequestSenseReq: public TScsiClientReq

    {

public:

    /** Length of REQUEST SENSE request */

    static const TUint KResponseLength = 18;

    TScsiClientRequestSenseReq();

    TInt EncodeRequestL(TDes8& aBuffer) const;

private:

    void SetAllocationLength(TAllocationLength aAllocationLength);

public:

    /** SCSI ALLOCATION LENGTH field */

    TAllocationLength iAllocationLength;

    };

/**

Decodes SCSI SENSE RESPONSE

*/

class TScsiClientRequestSenseResp: public TScsiClientResp

    {

public:

    /** SCSI Response Code, SBC-3 4.5 */

    enum TResponseCode

        {

        ECurrentErrors = 0x70,

        EDeferredErrors = 0x71

        };

    /** Length of the REQUEST SENSE response */

    static const TInt KResponseLength = 18;

    /** Constructor */

    TScsiClientRequestSenseResp() {};

    TInt DataLength() const {return KResponseLength;}

    void DecodeL(const TDesC8& aPtr);

private:

    void DecodeSenseInfo(const TDesC8& aPtr);

public:

    /** Returned SCSI RESPONSE CODE */

    TResponseCode iResponseCode;

    /** Returned SCSI Sense Info */

    TSenseInfo iSenseInfo;

    /** Returned SCSI ADDITIONAL SENSE LENGTH */

    TUint iAdditionalSenseLength;

    };

/**

Encodes SCSI TEST UNIT READY REQUEST

Ref SPC-2 7.25

Ref SPC-3 6.33

*/

class TScsiClientTestUnitReadyReq: public TScsiClientReq

    {

public:

    TScsiClientTestUnitReadyReq();

    TInt EncodeRequestL(TDes8& aBuffer) const;

    };

#include "tscsiprimarycmds.inl"

#endif // TSCSIPRIMARYCMDS_H