author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 07 Jan 2010 13:38:45 +0200 | |
changeset 44 | 36bfc973b146 |
parent 43 | 96e5fb8b040d |
child 297 | b2826f67641f |
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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// |
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/** |
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@file |
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@internalTechnology |
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*/ |
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#include <e32base.h> |
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#include "shared.h" |
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#include "msgservice.h" |
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#include "msctypes.h" |
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#include "mprotocol.h" |
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#include "mblocktransferprotocol.h" |
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#include "tspcclientinterface.h" |
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#include "cscsiprotocol.h" |
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#include "cusbhostmslogicalunit.h" |
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#include "usbmshostpanic.h" |
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#include "msdebug.h" |
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#include "debug.h" |
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CUsbHostMsLogicalUnit* CUsbHostMsLogicalUnit::NewL(TLun aLun) |
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{ |
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__MSFNSLOG |
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CUsbHostMsLogicalUnit* r = new (ELeave) CUsbHostMsLogicalUnit(aLun); |
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CleanupStack::PushL(r); |
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r->ConstructL(); |
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CleanupStack::Pop(); |
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return r; |
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} |
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void CUsbHostMsLogicalUnit::ConstructL() |
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{ |
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__MSFNLOG |
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const TInt KInitialDataBufSize = 0x200; |
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iDataBuf.CreateL(KInitialDataBufSize); |
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} |
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CUsbHostMsLogicalUnit::CUsbHostMsLogicalUnit(TLun aLun) |
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: iProtocol(NULL), |
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iLun(aLun), |
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iSuspendRequest(EFalse) |
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{ |
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__MSFNLOG |
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} |
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CUsbHostMsLogicalUnit::~CUsbHostMsLogicalUnit() |
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{ |
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__MSFNLOG |
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iDataBuf.Close(); |
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delete iProtocol; |
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} |
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void CUsbHostMsLogicalUnit::InitL() |
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{ |
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__MSFNLOG |
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iProtocol->InitialiseUnitL(); |
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} |
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void CUsbHostMsLogicalUnit::UnInitL() |
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{ |
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__MSFNLOG |
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iProtocol->UninitialiseUnitL(); |
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} |
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void CUsbHostMsLogicalUnit::ReadL(const RMessage2& aMessage) |
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{ |
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__MSFNLOG |
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TReadWrite p; |
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TPtr8 pReadWrite((TUint8*)&p,sizeof(TReadWrite)); |
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aMessage.ReadL(0, pReadWrite); |
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__HOSTPRINT2(_L("pos = 0x%lx len = %08x"), p.iPos, p.iLen); |
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User::LeaveIfError(CheckPosition(p)); |
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// check if buffer can hold requested data and resize if not |
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if (iDataBuf.MaxLength() < p.iLen) |
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iDataBuf.ReAllocL(p.iLen); |
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iProtocol->ReadL(p.iPos, iDataBuf, p.iLen); |
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aMessage.WriteL(1, iDataBuf); |
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} |
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void CUsbHostMsLogicalUnit::WriteL(const RMessage2& aMessage) |
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{ |
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__MSFNLOG |
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TReadWrite p; |
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TPtr8 pReadWrite((TUint8*)&p,sizeof(TReadWrite)); |
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aMessage.ReadL(1, pReadWrite); |
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__HOSTPRINT2(_L("pos = 0x%lx len = %08x"), p.iPos, p.iLen); |
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|
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User::LeaveIfError(CheckPosition(p)); |
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|
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// check if buffer can hold requested data and resize if not |
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if (iDataBuf.MaxLength() < p.iLen) |
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iDataBuf.ReAllocL(p.iLen); |
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|
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aMessage.ReadL(0, iDataBuf); |
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iProtocol->WriteL(p.iPos, iDataBuf, p.iLen); |
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} |
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|
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|
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void CUsbHostMsLogicalUnit::EraseL(const RMessage2& aMessage) |
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{ |
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__MSFNLOG |
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TReadWrite p; |
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TPtr8 pReadWrite((TUint8*)&p,sizeof(TReadWrite)); |
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aMessage.ReadL(0, pReadWrite); |
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__HOSTPRINT2(_L("pos = 0x%lx len = %08x"), p.iPos, p.iLen); |
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|
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User::LeaveIfError(CheckPosition(p)); |
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|
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// check if buffer can hold requested data and resize if not |
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if (iDataBuf.MaxLength() < p.iLen) |
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iDataBuf.ReAllocL(p.iLen); |
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|
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iDataBuf.FillZ(p.iLen); |
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iProtocol->WriteL(p.iPos, iDataBuf, p.iLen); |
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} |
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|
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141 |
|
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void CUsbHostMsLogicalUnit::CapsL(const RMessage2& aMessage) |
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{ |
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144 |
__MSFNLOG |
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|
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TCapsInfo capsInfo; |
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TPckg<TCapsInfo> pckg(capsInfo); |
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iProtocol->GetCapacityL(capsInfo); |
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iSize = static_cast<TInt64>(capsInfo.iNumberOfBlocks) * capsInfo.iBlockLength; |
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aMessage.WriteL(0, pckg); |
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} |
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|
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void CUsbHostMsLogicalUnit::NotifyChange(const RMessage2& aMessage) |
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{ |
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__MSFNLOG |
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iProtocol->NotifyChange(aMessage); |
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} |
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|
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|
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void CUsbHostMsLogicalUnit::ForceCompleteNotifyChangeL() |
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{ |
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__MSFNLOG |
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iProtocol->ForceCompleteNotifyChangeL(); |
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} |
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|
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void CUsbHostMsLogicalUnit::CancelChangeNotifierL() |
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{ |
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__MSFNLOG |
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iProtocol->CancelChangeNotifierL(); |
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} |
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|
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TBool CUsbHostMsLogicalUnit::IsConnected() |
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{ |
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return iProtocol->IsConnected() ? ETrue : EFalse; |
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} |
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|
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TBool CUsbHostMsLogicalUnit::IsReadyToSuspend() |
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{ |
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__MSFNLOG |
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return iSuspendRequest ? ETrue : EFalse; |
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} |
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|
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void CUsbHostMsLogicalUnit::ReadyToSuspend() |
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{ |
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185 |
__MSFNLOG |
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iSuspendRequest = ETrue; |
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} |
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|
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void CUsbHostMsLogicalUnit::CancelReadyToSuspend() |
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{ |
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__MSFNLOG |
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iSuspendRequest = EFalse; |
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} |
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|
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void CUsbHostMsLogicalUnit::SuspendL() |
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{ |
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__MSFNLOG |
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iProtocol->SuspendL(); |
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} |
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|
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void CUsbHostMsLogicalUnit::ResumeL() |
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{ |
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__MSFNLOG |
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// We do not cancel iSuspendRequest here |
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iProtocol->ResumeL(); |
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} |
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|
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void CUsbHostMsLogicalUnit::DoLunReadyCheckL() |
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{ |
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__MSFNLOG |
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iProtocol->DoScsiReadyCheckEventL(); |
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} |
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|
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TInt CUsbHostMsLogicalUnit::InitialiseProtocolL(TLun aLun, |
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THostMassStorageConfig& aConfig, |
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MTransport& aTransport) |
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{ |
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__MSFNLOG |
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__ASSERT_DEBUG(iProtocol == NULL, User::Panic(KUsbMsHostPanicCat, EProtocolNotFree)); |
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switch(aConfig.iProtocolId) |
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{ |
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case ScsiProtocol: |
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iProtocol = CScsiProtocol::NewL(aLun, aTransport); |
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break; |
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default: |
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__HOSTPRINT(_L("Unsupported Transport class requested")); |
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iProtocol = NULL; |
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return KErrNotSupported; |
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} |
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return KErrNone; |
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} |
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|
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TInt CUsbHostMsLogicalUnit::CheckPosition(const TReadWrite& aReadWrite) |
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{ |
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if (aReadWrite.iLen == 0) |
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{ |
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if (aReadWrite.iPos == iSize) |
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return KErrEof; |
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else |
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return KErrArgument; |
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} |
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|
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// detect drive not present |
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if (iSize == 0) |
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return KErrNotReady; |
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|
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if (aReadWrite.iPos >= iSize) |
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return KErrArgument; |
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return KErrNone; |
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} |