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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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// BOT Protocol layer for USB Mass Storage Class
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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 MBLOCKTRANSFERPROTOCOL_H
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#define MBLOCKTRANSFERPROTOCOL_H
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/**
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Interface class to be provided by the Protocol layer. The interface methods are
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used by TBlockTransfer class which manages block read and block writes of the
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data to be transferred.
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*/
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class MBlockTransferProtocol
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{
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public:
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/**
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Read a block of data aligned to block boundary.
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@param aPos The position aligned to block boundary
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@param aBuf The buffer to copy the data into
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@param aLength The Length in bytes, a multiple of the block length
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*/
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virtual void BlockReadL(TUint64 aPos, TDes8& aBuf, TInt aLength) = 0;
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/**
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Write a block of data aligned to block boundary.
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@param aPos The position aligned to block boundary
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@param aBuf The buffer containing the data to write
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@param aOffset The offset into the buffer to the start of the block
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@param aLength The length in bytes, must be a multiple of the block length
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*/
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virtual void BlockWriteL(TUint64 aPos, TDesC8& aBuf, TUint aOffset, TInt aLength) = 0;
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};
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#endif // MBLOCKTRANSFERPROTOCOL_H
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