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// Copyright (c) 2004-2010 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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// CUsbMassStorageController implementation.
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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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#include <e32std.h>
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#include "mtransport.h"
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#include "mprotocol.h"
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#include "scsiprot.h"
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#include "cusbmassstorageserver.h"
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#include "drivemanager.h"
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#include "cusbmassstoragecontroller.h"
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#include "cbulkonlytransport.h"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "cusbmassstoragecontrollerTraces.h"
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#endif
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/**
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Destructor
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*/
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CUsbMassStorageController::~CUsbMassStorageController()
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{
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delete iServer;
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delete iProtocol;
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delete iTransport;
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delete iDriveManager;
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}
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/**
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Creates the drive manager, transport, protocol and server
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@param aMaxDrives Maximum number of Mass Storage drives supported.
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*/
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void CUsbMassStorageController::CreateL(RArray<TInt>& aDriveMapping)
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{
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OstTraceFunctionEntry0(CUSBMASSSTORAGECONTROLLER_100);
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#if !defined(__WINS__) && !defined(__X86__)
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iTransportLddFlag = EUsbcsc; // Create transport object using SC Ldd By default
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#else
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iTransportLddFlag = EUsbc;
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#endif
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//Save this value for use in the Reset method.
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iMaxDrives = aDriveMapping.Count();
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OstTrace1(TRACE_SMASSSTORAGE_FS, CUSBMASSSTORAGECONTROLLER_101,
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"MaxDrives = %d", iMaxDrives);
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//Create and init drive manager
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iDriveManager = CDriveManager::NewL(aDriveMapping);
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//Create transport and protocol and initialize them
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iTransport = CBulkOnlyTransport::NewL(iMaxDrives, *this, iTransportLddFlag);
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if (!iTransport)
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User::Leave(KErrNoMemory);
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iProtocol = CScsiProtocol::NewL(*iDriveManager);
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//Create and start server
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iServer = CUsbMassStorageServer::NewLC(*this);
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CleanupStack::Pop(iServer);
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}
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/**
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Returns a reference to the drive manager
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@return A reference to the drive manager
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*/
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CDriveManager& CUsbMassStorageController::DriveManager()
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{
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return *iDriveManager;
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}
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void CUsbMassStorageController::GetTransport(MTransportBase* &aTransport)
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{
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aTransport = iTransport;
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}
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/**
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Starts the transport and initializes the protocol.
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@param aConfig Reference to Mass Storage configuration data
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*/
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TInt CUsbMassStorageController::Start(TMassStorageConfig& aConfig)
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{
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OstTraceFunctionEntry0(CUSBMASSSTORAGECONTROLLER_200);
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//Save this value for use in the Reset method.
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iConfig = aConfig;
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__ASSERT_DEBUG(iTransport, User::Invariant());
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if ((iTransport->InitialiseTransportL((TInt) iTransportLddFlag)) != KErrNone)
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{
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iTransportLddFlag = EUsbc; // If SC Ldd not present use the default USB Client Ldd
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delete iTransport;
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iTransport = CBulkOnlyTransport::NewL(iMaxDrives, *this, iTransportLddFlag);
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if (!iTransport)
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User::Leave(KErrNoMemory);
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if ((iTransport->InitialiseTransportL((TInt) iTransportLddFlag)) != KErrNone)
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return KErrNotFound;
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}
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TInt err = KErrNotReady;
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if (iProtocol && iTransport)
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{
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iTransport->RegisterProtocol(*iProtocol);
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iProtocol->RegisterTransport(iTransport);
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((CScsiProtocol*)iProtocol)->SetScsiParameters(aConfig);
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err = iTransport->Start();
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}
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return err;
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}
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/**
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Stops the transport.
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*/
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TInt CUsbMassStorageController::Stop()
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{
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OstTraceFunctionEntry0(CUSBMASSSTORAGECONTROLLER_110);
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TInt err = KErrNotReady;
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if (iTransport)
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{
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err = iTransport->Stop();
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}
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TInt i=0;
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for (i=0; i<=iMaxDrives; ++i)
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{
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iDriveManager->SetCritical(i, EFalse); //unset critical
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}
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return err;
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}
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/**
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Delete the transport and protocol and start new ones.
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*/
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void CUsbMassStorageController::Reset()
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{
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OstTraceFunctionEntry0(CUSBMASSSTORAGECONTROLLER_120);
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delete iProtocol;
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iProtocol = NULL;
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//Create transport and protocol and initialize them
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TRAPD(err,iProtocol = CScsiProtocol::NewL(*iDriveManager));
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err = err;
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__ASSERT_DEBUG(err==KErrNone, User::Invariant());
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iTransport->RegisterProtocol(*iProtocol);
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iProtocol->RegisterTransport(iTransport);
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}
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