os/kernelhwsrv/userlibandfileserver/fileserver/shostmassstorage/server/controller/include/cusbhostmslogicalunit.h
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/userlibandfileserver/fileserver/shostmassstorage/server/controller/include/cusbhostmslogicalunit.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,98 @@
     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 +//
    1.18 +
    1.19 +/**
    1.20 + @file
    1.21 + @internalTechnology
    1.22 +*/
    1.23 +
    1.24 +#ifndef CUSBHOSTMSLOGICALUNIT_H
    1.25 +#define CUSBHOSTMSLOGICALUNIT_H
    1.26 +
    1.27 +
    1.28 +class MTransport;
    1.29 +class MProtocol;
    1.30 +class THostMassStorageConfig;
    1.31 +class TReadWrite;
    1.32 +
    1.33 +/**
    1.34 +This class represents a Logical Unit supporting SCSI Mass Storage Class. The
    1.35 +class provides inteface methods to read, write and get the media capacity of the
    1.36 +Logical Unit. Each instance is identified by the LUN.
    1.37 +*/
    1.38 +class CUsbHostMsLogicalUnit : public CBase
    1.39 +{
    1.40 +public:
    1.41 +	static CUsbHostMsLogicalUnit* NewL(TLun aLun);
    1.42 +	~CUsbHostMsLogicalUnit();
    1.43 +private:
    1.44 +    void ConstructL();
    1.45 +    CUsbHostMsLogicalUnit(TLun aLun);
    1.46 +
    1.47 +public:
    1.48 +	void InitL();
    1.49 +	void UnInitL();
    1.50 +	void ReadL(const RMessage2& aMessage);
    1.51 +	void WriteL(const RMessage2& aMessage);
    1.52 +	void EraseL(const RMessage2& aMessage);
    1.53 +	void CapsL(const RMessage2& aMessage);
    1.54 +
    1.55 +	void NotifyChange(const RMessage2& aMessage);
    1.56 +    void ForceCompleteNotifyChangeL();
    1.57 +    void CancelChangeNotifierL();
    1.58 +
    1.59 +	void ReadyToSuspend();
    1.60 +	TBool IsConnected();
    1.61 +	TBool IsReadyToSuspend();
    1.62 +	void CancelReadyToSuspend();
    1.63 +
    1.64 +	void SuspendL();
    1.65 +	void ResumeL();
    1.66 +	void DoLunReadyCheckL();
    1.67 +
    1.68 +	TInt InitialiseProtocolL(TLun aLun,
    1.69 +                             THostMassStorageConfig& aConfig,
    1.70 +                             MTransport& aTransport);
    1.71 +
    1.72 +    TLun Lun() const;
    1.73 +
    1.74 +private:
    1.75 +    TInt CheckPosition(const TReadWrite& aReadWrite);
    1.76 +
    1.77 +    /** The Protocol interface (Owned by this class) */
    1.78 +	MProtocol* iProtocol;
    1.79 +    /** LUN */
    1.80 +    TLun iLun;
    1.81 +    /** The Size (updated by CapsL) */
    1.82 +    TPos iSize;
    1.83 +
    1.84 +	TBool iSuspendRequest;
    1.85 +    
    1.86 +    RBuf8 iDataBuf;
    1.87 +};
    1.88 +
    1.89 +
    1.90 +/**
    1.91 +Get the LUN
    1.92 +
    1.93 +@return TLun The LUN
    1.94 +*/
    1.95 +inline TLun CUsbHostMsLogicalUnit::Lun() const
    1.96 +    {
    1.97 +    return iLun;
    1.98 +    }
    1.99 +
   1.100 +#endif // CUSBHOSTMSLOGICALUNIT_H
   1.101 +