| author | sl@SLION-WIN7.fritz.box |
| Fri, 15 Jun 2012 03:10:57 +0200 | |
| changeset 0 | bde4ae8d615e |
| permissions | -rw-r--r-- |
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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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// protocol.h |
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// |
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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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|
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#ifndef MPROTOCOL_H |
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#define MPROTOCOL_H |
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|
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class MTransport; |
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struct TCapsInfo; |
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|
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/** |
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Interface class to control a Mass Storage device |
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*/ |
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class MProtocol |
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{
|
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public: |
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/** Command to initialise LUN */ |
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virtual void InitialiseUnitL() = 0; |
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|
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/** Command to uninitialise the LUN */ |
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virtual void UninitialiseUnitL() = 0; |
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|
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/** |
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Command to read the media. |
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|
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@param aPos |
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@param aLen |
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@param aCopybuf |
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*/ |
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virtual void ReadL(TUint64 aPos, TDes8& aCopybuf, TInt aLen) = 0; |
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|
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/** |
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Command to write to the media. |
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|
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@param aPos |
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@param aLen |
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@param aCopybuf |
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*/ |
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virtual void WriteL(TUint64 aPos, TDesC8& aCopybuf, TInt aLen) = 0; |
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|
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/** |
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command to find the capacity of the media |
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|
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@param aCopybuf |
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*/ |
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virtual void GetCapacityL(TCapsInfo& aCapsInfo) = 0; |
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|
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/** unit testing */ |
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virtual void CreateSbcInterfaceL(TUint32 aBlockLen, TUint32 aLastLba) = 0; |
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|
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virtual void DoScsiReadyCheckEventL() = 0; |
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|
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/** |
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Media change notification |
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|
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@param aMessage |
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*/ |
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virtual void NotifyChange(const RMessage2& aMessage) = 0; |
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|
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/** |
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Force notification to be sent |
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*/ |
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virtual void ForceCompleteNotifyChangeL() = 0; |
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/** |
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Force notification to be sent |
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*/ |
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virtual void CancelChangeNotifierL() = 0; |
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/** |
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Suspends the logical unit |
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*/ |
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virtual void SuspendL() = 0; |
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/** |
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Resumes the logical unit |
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*/ |
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virtual void ResumeL() = 0; |
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/** |
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Resets the media change and finalisation request status check timer |
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*/ |
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virtual TBool IsConnected() = 0; |
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|
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/** Destructor */ |
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virtual ~MProtocol(); |
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}; |
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|
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inline MProtocol::~MProtocol() |
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{
|
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} |
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|
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/** |
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Interface class to encode SCSI request into a byte stream |
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*/ |
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class MClientCommandServiceReq |
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{
|
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public: |
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/** |
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Encode the command data into a byte stream. |
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|
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@param aBuffer Buffer to place the encoded data into |
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@return TInt Length of the encoded data |
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*/ |
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virtual TInt EncodeRequestL(TDes8& aBuffer) const = 0; |
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}; |
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|
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|
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/** |
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Interface class to decode a SCSI response from byte stream into corresponding |
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class |
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*/ |
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class MClientCommandServiceResp |
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{
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public: |
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/** |
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Returns the length of the RESPONSE data stream. |
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|
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@return TInt Length in bytes |
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*/ |
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virtual TInt DataLength() const = 0; |
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|
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/** |
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Decode data into RESPONSE structure of implementation class. |
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|
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@param aPtr Descriptor (byte stream) containing the data to be decoded |
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*/ |
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virtual void DecodeL(const TDesC8& aPtr) = 0; |
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}; |
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|
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|
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#endif // MPROTOCOL_H |
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