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 CUSBHOSTMSLOGICALUNIT_H
sl@0: #define CUSBHOSTMSLOGICALUNIT_H
sl@0: 
sl@0: 
sl@0: class MTransport;
sl@0: class MProtocol;
sl@0: class THostMassStorageConfig;
sl@0: class TReadWrite;
sl@0: 
sl@0: /**
sl@0: This class represents a Logical Unit supporting SCSI Mass Storage Class. The
sl@0: class provides inteface methods to read, write and get the media capacity of the
sl@0: Logical Unit. Each instance is identified by the LUN.
sl@0: */
sl@0: class CUsbHostMsLogicalUnit : public CBase
sl@0: {
sl@0: public:
sl@0: 	static CUsbHostMsLogicalUnit* NewL(TLun aLun);
sl@0: 	~CUsbHostMsLogicalUnit();
sl@0: private:
sl@0:     void ConstructL();
sl@0:     CUsbHostMsLogicalUnit(TLun aLun);
sl@0: 
sl@0: public:
sl@0: 	void InitL();
sl@0: 	void UnInitL();
sl@0: 	void ReadL(const RMessage2& aMessage);
sl@0: 	void WriteL(const RMessage2& aMessage);
sl@0: 	void EraseL(const RMessage2& aMessage);
sl@0: 	void CapsL(const RMessage2& aMessage);
sl@0: 
sl@0: 	void NotifyChange(const RMessage2& aMessage);
sl@0:     void ForceCompleteNotifyChangeL();
sl@0:     void CancelChangeNotifierL();
sl@0: 
sl@0: 	void ReadyToSuspend();
sl@0: 	TBool IsConnected();
sl@0: 	TBool IsReadyToSuspend();
sl@0: 	void CancelReadyToSuspend();
sl@0: 
sl@0: 	void SuspendL();
sl@0: 	void ResumeL();
sl@0: 	void DoLunReadyCheckL();
sl@0: 
sl@0: 	TInt InitialiseProtocolL(TLun aLun,
sl@0:                              THostMassStorageConfig& aConfig,
sl@0:                              MTransport& aTransport);
sl@0: 
sl@0:     TLun Lun() const;
sl@0: 
sl@0: private:
sl@0:     TInt CheckPosition(const TReadWrite& aReadWrite);
sl@0: 
sl@0:     /** The Protocol interface (Owned by this class) */
sl@0: 	MProtocol* iProtocol;
sl@0:     /** LUN */
sl@0:     TLun iLun;
sl@0:     /** The Size (updated by CapsL) */
sl@0:     TPos iSize;
sl@0: 
sl@0: 	TBool iSuspendRequest;
sl@0:     
sl@0:     RBuf8 iDataBuf;
sl@0: };
sl@0: 
sl@0: 
sl@0: /**
sl@0: Get the LUN
sl@0: 
sl@0: @return TLun The LUN
sl@0: */
sl@0: inline TLun CUsbHostMsLogicalUnit::Lun() const
sl@0:     {
sl@0:     return iLun;
sl@0:     }
sl@0: 
sl@0: #endif // CUSBHOSTMSLOGICALUNIT_H
sl@0: