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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 CUSBHOSTMSLOGICALUNIT_H
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#define CUSBHOSTMSLOGICALUNIT_H
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class MTransport;
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class MProtocol;
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/**
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This class represents a Logical Unit supporting SCSI Mass Storage Class. The
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class provides inteface methods to read, write and get the media capacity of the
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Logical Unit. Each instance is identified by the LUN.
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*/
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class CUsbHostMsLogicalUnit : public CBase
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{
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public:
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static CUsbHostMsLogicalUnit* NewL(TLun aLun);
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~CUsbHostMsLogicalUnit();
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private:
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void ConstructL();
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CUsbHostMsLogicalUnit(TLun aLun);
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public:
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void InitL();
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void UnInitL();
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void ReadL(const RMessage2& aMessage);
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void WriteL(const RMessage2& aMessage);
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void EraseL(const RMessage2& aMessage);
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void CapsL(const RMessage2& aMessage);
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void NotifyChange(const RMessage2& aMessage);
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void ForceCompleteNotifyChangeL();
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void CancelChangeNotifierL();
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void ReadyToSuspend();
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TBool IsConnected();
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TBool IsReadyToSuspend();
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void CancelReadyToSuspend();
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void SuspendL();
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void ResumeL();
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void DoLunReadyCheckL();
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TInt InitialiseProtocolL(TLun aLun,
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THostMassStorageConfig& aConfig,
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MTransport& aTransport);
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TLun Lun() const;
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private:
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TInt CheckPosition(const TReadWrite& aReadWrite);
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/** The Protocol interface (Owned by this class) */
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MProtocol* iProtocol;
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/** LUN */
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TLun iLun;
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/** The Size (updated by CapsL) */
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TPos iSize;
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TBool iSuspendRequest;
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RBuf8 iDataBuf;
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};
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/**
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Get the LUN
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@return TLun The LUN
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*/
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inline TLun CUsbHostMsLogicalUnit::Lun() const
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{
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return iLun;
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}
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#endif // CUSBHOSTMSLOGICALUNIT_H
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