1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/userlibandfileserver/fileserver/shostmassstorage/server/protocol/include/mblocktransferprotocol.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,55 @@
     1.4 +// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// BOT Protocol layer for USB Mass Storage Class
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +/**
    1.22 + @file
    1.23 + @internalTechnology
    1.24 +*/
    1.25 +
    1.26 +#ifndef MBLOCKTRANSFERPROTOCOL_H
    1.27 +#define MBLOCKTRANSFERPROTOCOL_H
    1.28 +
    1.29 +/**
    1.30 +Interface class to be provided by the Protocol layer. The interface methods are
    1.31 +used by TBlockTransfer class which manages block read and block writes of the
    1.32 +data to be transferred.
    1.33 +*/
    1.34 +class MBlockTransferProtocol
    1.35 +    {
    1.36 +public:
    1.37 +    /**
    1.38 +    Read a block of data aligned to block boundary.
    1.39 +
    1.40 +    @param aPos The position aligned to block boundary
    1.41 +    @param aBuf The buffer to copy the data into
    1.42 +    @param aLength The Length in bytes, a multiple of the block length
    1.43 +    */
    1.44 +    virtual void BlockReadL(TUint64 aPos, TDes8& aBuf, TInt aLength) = 0;
    1.45 +
    1.46 +    /**
    1.47 +    Write a block of data aligned to block boundary.
    1.48 +
    1.49 +    @param aPos The position aligned to block boundary
    1.50 +    @param aBuf The buffer containing the data to write
    1.51 +    @param aOffset The offset into the buffer to the start of the block
    1.52 +    @param aLength The length in bytes, must be a multiple of the block length
    1.53 +    */
    1.54 +    virtual void BlockWriteL(TUint64 aPos, TDesC8& aBuf, TUint aOffset, TInt aLength) = 0;
    1.55 +    };
    1.56 +
    1.57 +#endif // MBLOCKTRANSFERPROTOCOL_H
    1.58 +