0
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/*
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* Copyright (c) 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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//
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// hostusbmsproxy.cpp
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//
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// This file system extension provides a way to access a drive on the MS system in "raw format".
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// It can be used to test large files / drives
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//
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/** @file
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@internalTechnology
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*/
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#include <f32fsys.h>
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#include "hostusbmsproxy.h"
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#include "debug.h"
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CUsbHostMsProxyDrive::CUsbHostMsProxyDrive(CMountCB* aMount, CExtProxyDriveFactory* aDevice)
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: CExtProxyDrive(aMount,aDevice)
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{
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__MSFNSLOG
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}
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CUsbHostMsProxyDrive::~CUsbHostMsProxyDrive()
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{
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__MSFNSLOG
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iUsbHostMsLun.UnInitialise();
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}
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TInt CUsbHostMsProxyDrive::InitialiseOffset(TCapsInfo& aCapsInfo)
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{
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__MSFNSLOG
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const TInt KPartitionInfoSize = TMsDataMemMap::KSectorSize;
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TBuf8<KPartitionInfoSize> partitionInfo;
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TInt r;
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r = iUsbHostMsLun.Read(0 , KPartitionInfoSize, (TDes8 &) partitionInfo);
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if (r != KErrNone)
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{
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__PXYPRINT1(_L("!! Reading medium failed with %d !!"), r);
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return r;
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}
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TUint8 *iIntBuf = (TUint8 *) partitionInfo.Ptr();
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// Read of the first sector successful so check for a Master Boot Record
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if (*(TUint16*)(&iIntBuf[KMBRSignatureOffset])!= KMBRSignature)
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{
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__PXYPRINT(_L("MBR not present"));
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iMsDataMemMap.Reset();
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}
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else
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{
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// Move the partition entries to a 4 byte boundary
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memcpy(&iIntBuf[0],&iIntBuf[KMBRFirstPartitionOffset],(sizeof(TMBRPartitionEntry)<<2));
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// Search for a x86 default boot partition - let this be the first
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TMBRPartitionEntry* pe = (TMBRPartitionEntry*)(&iIntBuf[0]);
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TInt firstValidPartitionCount = -1;
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TInt defaultPartitionNumber = -1;
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TInt partitionCount = 0;
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for (TInt i = 0; i < KMBRMaxPrimaryPartitions; i++, pe++)
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{
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if (pe->IsValidDosPartition() || pe->IsValidFAT32Partition())
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{
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__PXYPRINT(_L("Found a Valid Partition"));
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partitionCount++;
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if (firstValidPartitionCount < 0)
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firstValidPartitionCount = i;
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if (pe->iX86BootIndicator == KBootIndicatorBootable)
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{
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defaultPartitionNumber = i;
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break;
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}
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}
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else
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{
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__PXYPRINT(_L("!! Invalid Partition !!"));
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}
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}
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// Check the validity of the partition address boundaries
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if (partitionCount > 0)
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{
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__PXYPRINT1(_L("Using Partition %d"), partitionCount);
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pe = (TMBRPartitionEntry*)(&iIntBuf[0]);
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TInt partitionIndex = firstValidPartitionCount;
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if (defaultPartitionNumber > 0)
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{
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partitionIndex = defaultPartitionNumber;
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}
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TMBRPartitionEntry& partitionEntry = pe[partitionIndex];
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iMsDataMemMap.InitDataArea(partitionEntry.iFirstSector,
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partitionEntry.iNumSectors);
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__PXYPRINT2(_L("paritioncount = %d defaultpartition = %d"),
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partitionCount, partitionIndex);
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__PXYPRINT2(_L("iFirstSector = x%x iNumSectors = x%x"),
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partitionEntry.iFirstSector,
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partitionEntry.iNumSectors);
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}
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else
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{
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__PXYPRINT(_L("No partition found"));
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iMsDataMemMap.InitDataArea(0, aCapsInfo.iNumberOfBlocks);
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__PXYPRINT2(_L("iFirstSector = x%x iNumSectors = x%x"),
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0, aCapsInfo.iNumberOfBlocks);
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}
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}
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return KErrNone;
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}
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/**
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Initialise the proxy drive.
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@return system wide error code.
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*/
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TInt CUsbHostMsProxyDrive::Initialise()
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{
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__MSFNSLOG
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__HOSTPRINT(_L(">>> CUsbHostMsProxyDrive::Initialise()"));
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if(Mount())
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{
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// as we can't currently handle remounting devices that have
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// been removed by unplugging the USB cable, disable critical notifiers
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// as there's no point in asking the user to re-insert the disk.
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Mount()->SetNotifyOff();
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}
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// Check for media presence
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TCapsInfo capsInfo;
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TInt err = iUsbHostMsLun.Caps(capsInfo);
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if (err == KErrNone)
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{
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err = InitialiseOffset(capsInfo);
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}
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__HOSTPRINT1(_L("<<< CUsbHostMsProxyDrive::Initialise() err = %d"), err);
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return err;
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}
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TInt CUsbHostMsProxyDrive::SetInfo(const RMessage2 &msg, TAny* aMessageParam2, TAny* aMessageParam3)
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{
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__MSFNSLOG
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__HOSTPRINT(_L(">>> CUsbHostMsProxyDrive::SetInfo()"));
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TMassStorageUnitInfo iUnitInfo;
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TPckg<TMassStorageUnitInfo> infoPckg(iUnitInfo);
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TRAPD(err, msg.ReadL(2, infoPckg));
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if(err != KErrNone)
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{
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__PXYPRINT1(_L("Cant read from the RMessage %d"), err);
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__HOSTPRINT1(_L("<<< CUsbHostMsProxyDrive::SetInfo() err = %d"), err);
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return err;
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}
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err = iUsbHostMsLun.Initialise(msg, 3, iUnitInfo.iLunID);
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if(err != KErrNone)
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{
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__PXYPRINT1(_L("Initialising logical unit failed %d"), err);
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__HOSTPRINT1(_L("<<< CUsbHostMsProxyDrive::SetInfo() err = %d"), err);
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return err;
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}
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__HOSTPRINT1(_L("<<< CUsbHostMsProxyDrive::SetInfo() err = %d"), err);
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return err;
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}
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TInt CUsbHostMsProxyDrive::Dismounted()
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{
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__MSFNSLOG
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return KErrNone;
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}
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TInt CUsbHostMsProxyDrive::Enlarge(TInt /*aLength*/)
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{
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__MSFNSLOG
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return KErrNotSupported;
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}
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TInt CUsbHostMsProxyDrive::ReduceSize(TInt /*aPos*/, TInt /*aLength*/)
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{
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__MSFNSLOG
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return KErrNotSupported;
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}
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#define GetIndex(msg, aAddress, aIndex) \
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aIndex = msg.Ptr0() == aAddress ? 0 : \
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msg.Ptr1() == aAddress ? 1 : \
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msg.Ptr1() == aAddress ? 2 : \
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msg.Ptr1() == aAddress ? 3 : -1;
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/**
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Read from the proxy drive.
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@param aPos The address from where the read begins.
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@param aLength The length of the read.
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@param aTrg A descriptor of the memory buffer from which to read.
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@param aThreadHandle The handle-number representing the drive thread.
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@param aOffset Offset into aTrg to read the data from.
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@return system wide error code.
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*/
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TInt CUsbHostMsProxyDrive::Read(TInt64 aPos, TInt aLength,
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const TAny* aTrg, TInt aThreadHandle, TInt aOffset)
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{
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__MSFNSLOG
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__HOSTPRINT4(_L("\n>>> HOST Read Pos=0x%lx LBA=0x%lx 0x%x 0x%x"),
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aPos, aPos/KBlockSize, aLength, aOffset);
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TBool localMessage = (aThreadHandle == KLocalMessageHandle);
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//
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// Set file position to where we want to read...
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//
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if(!localMessage)
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{
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RMessage2 msg(*(RMessagePtr2 *) &aThreadHandle);
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localMessage = (msg.Handle() == KLocalMessageHandle);
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}
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TInt index = 0;
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if (!localMessage)
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{
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RMessage2 msg(*(RMessagePtr2 *) &aThreadHandle);
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GetIndex(msg, aTrg, index);
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if (index < 0)
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{
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__HOSTPRINT1(_L("<<< HOST Read ret=%d"), KErrArgument);
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return KErrArgument;
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}
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}
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/* Calculate the end position */
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TInt64 end = aPos + static_cast<TInt64>(aLength);
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/* check whether there is enough source data to write to the destination descriptor */
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TInt64 truncate;
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if(localMessage)
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{
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truncate = aLength - (((TPtr8* )aTrg)->MaxLength() - aOffset);
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__PXYPRINT1(_L("Descriptor length: %08x"), ((TPtr8* )aTrg)->MaxLength());
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}
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else
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{
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RMessage2 msg(*(RMessagePtr2 *) &aThreadHandle);
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truncate = aLength - (msg.GetDesMaxLength(index) - aOffset);
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__PXYPRINT1(_L("Descriptor length: %08x"), msg.GetDesMaxLength(index));
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}
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__PXYPRINT1(_L("Offset: %08x"), aOffset);
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__PXYPRINT1(_L("Truncate: 0x%lx"), truncate);
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if (truncate > 0)
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{
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end -= truncate;
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}
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iBuf.SetMax();
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TInt r;
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TInt64 mediaPos;
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while (aPos < end)
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{
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TInt len = end - aPos;
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mediaPos = aPos;
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r = iMsDataMemMap.CheckBlockInRange(mediaPos, len);
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if (r != KErrNone)
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{
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__HOSTPRINT1(_L("<<< HOST Read ret=%d"), r);
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return r;
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}
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if (localMessage)
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{
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TPtr8* pTrgPtr = (TPtr8*)aTrg;
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TPtr8 trgDes((TUint8*)(pTrgPtr->MidTPtr(aOffset).Ptr()), pTrgPtr->MaxLength() - aOffset);
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r = iUsbHostMsLun.Read(mediaPos, len, trgDes);
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if (r != KErrNone)
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return r;
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pTrgPtr->SetLength(aOffset + trgDes.Length());
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}
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else
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{
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if (len > iBuf.MaxLength())
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len = iBuf.MaxLength();
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r = iUsbHostMsLun.Read(mediaPos, len, iBuf);
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if (r != KErrNone)
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{
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__HOSTPRINT1(_L("<<< HOST Read ret=%d"), r);
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return r;
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}
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iBuf.SetLength(len);
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RMessage2 msg(*(RMessagePtr2 *) &aThreadHandle);
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r = msg.Write(index, iBuf, aOffset);
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if (r != KErrNone)
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{
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__HOSTPRINT1(_L("<<< HOST Read ret=%d"), r);
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return r;
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}
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}
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aPos += len;
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aOffset += len;
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}
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__HOSTPRINT1(_L("<<< HOST Read ret=%d"), KErrNone);
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return KErrNone;
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}
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/**
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Read from the proxy drive, and pass flags to driver.
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@param aPos The address from where the read begins.
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@param aLength The length of the read.
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@param aTrg A descriptor of the memory buffer from which to read.
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@param aThreadHandle The handle-number representing the drive thread.
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@param aOffset Offset into aTrg to read the data from.
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@param aFlags Flags to be passed into the driver.
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@return system wide error code.
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*/
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TInt CUsbHostMsProxyDrive::Read(TInt64 aPos, TInt aLength,
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const TAny* aTrg, TInt aThreadHandle, TInt aOffset, TInt /* aFlags */)
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{
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__MSFNSLOG
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return Read(aPos, aLength, aTrg, aThreadHandle, aOffset);
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}
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/**
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Read from the proxy drive.
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@param aPos The address from where the read begins.
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@param aLength The length of the read.
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@param aTrg A descriptor of the memory buffer from which to read.
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@return system wide error code.
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*/
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TInt CUsbHostMsProxyDrive::Read(TInt64 aPos, TInt aLength, TDes8& aTrg)
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{
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__MSFNSLOG
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__HOSTPRINT3(_L("\n>>> HOST Read Pos=0x%lx LBA=0x%lx 0x%x"),
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aPos, aPos/KBlockSize, aLength);
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return iUsbHostMsLun.Read(iMsDataMemMap.GetDataPos(aPos), aLength, aTrg);
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}
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/**
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Write to the proxy drive.
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@param aPos The address from where the write begins.
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@param aLength The length of the write.
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@param aSrc A descriptor of the memory buffer from which to write.
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@param aThreadHandle The handle-number representing the drive thread.
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@param aOffset Offset into aSrc to write the data to.
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@return system wide error code.
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*/
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TInt CUsbHostMsProxyDrive::Write(TInt64 aPos, TInt aLength,
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const TAny* aSrc, TInt aThreadHandle, TInt aOffset)
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{
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//
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// Set file position to where we want to write...
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//
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__MSFNSLOG
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__HOSTPRINT4(_L("\n>>> HOST Write Pos=0x%lx LBA=0%lx 0x%x 0x%x"),
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aPos, aPos/KBlockSize, aLength, aOffset);
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TBool localMessage = (aThreadHandle == KLocalMessageHandle);
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if(!localMessage)
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{
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RMessage2 msg(*(RMessagePtr2 *) &aThreadHandle);
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localMessage = (msg.Handle() == KLocalMessageHandle);
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}
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TInt index = 0;
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if(!localMessage)
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{
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RMessage2 msg(*(RMessagePtr2 *) &aThreadHandle);
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GetIndex(msg, aSrc, index);
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if (index < 0)
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return KErrArgument;
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}
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/* Calculate the end position */
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TInt64 end = aPos + static_cast<TInt64>(aLength);
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/* check whether there is enough source data to read */
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TInt64 truncate;
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if (localMessage)
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{
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truncate = aLength - (((TPtr8* )aSrc)->Length() - aOffset);
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__PXYPRINT1(_L("Descriptor length: %08x"), ((TPtr8* )aSrc)->Length());
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}
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else
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{
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|
421 |
RMessage2 msg(*(RMessagePtr2 *) &aThreadHandle);
|
|
422 |
truncate = aLength - (msg.GetDesLength(index) - aOffset);
|
|
423 |
__PXYPRINT1(_L("Descriptor length: %08x"), msg.GetDesLength(index));
|
|
424 |
}
|
|
425 |
|
|
426 |
__PXYPRINT1(_L("Offset: %08x"), aOffset);
|
|
427 |
__PXYPRINT1(_L("Truncate: 0x%lx"), truncate);
|
|
428 |
|
|
429 |
/* if truncate is > 0 we are short of source data as claimed by the aLength. Hence adjust the 'end' */
|
|
430 |
if (truncate > 0)
|
|
431 |
{
|
|
432 |
end -= truncate;
|
|
433 |
}
|
|
434 |
|
|
435 |
iBuf.SetMax();
|
|
436 |
|
|
437 |
TInt r;
|
|
438 |
TInt64 mediaPos;
|
|
439 |
while (aPos < end)
|
|
440 |
{
|
|
441 |
TInt len = end - aPos;
|
|
442 |
mediaPos = aPos;
|
|
443 |
r = iMsDataMemMap.CheckBlockInRange(mediaPos, len);
|
|
444 |
if (r != KErrNone)
|
|
445 |
{
|
|
446 |
__HOSTPRINT1(_L("<<< HOST Write ret=%d"), r);
|
|
447 |
return r;
|
|
448 |
}
|
|
449 |
|
|
450 |
if (localMessage)
|
|
451 |
{
|
|
452 |
r = iUsbHostMsLun.Write(mediaPos, len, ((TPtr8*)aSrc)->MidTPtr(aOffset));
|
|
453 |
|
|
454 |
if (r != KErrNone)
|
|
455 |
{
|
|
456 |
__HOSTPRINT1(_L("<<< HOST Write ret=%d"), r);
|
|
457 |
return r;
|
|
458 |
}
|
|
459 |
}
|
|
460 |
else
|
|
461 |
{
|
|
462 |
if (len > iBuf.Length())
|
|
463 |
len = iBuf.Length();
|
|
464 |
|
|
465 |
RMessage2 msg(*(RMessagePtr2 *) &aThreadHandle);
|
|
466 |
r = msg.Read(index, iBuf, aOffset);
|
|
467 |
if (r != KErrNone)
|
|
468 |
{
|
|
469 |
__HOSTPRINT1(_L("<<< HOST Write ret=%d"), r);
|
|
470 |
return r;
|
|
471 |
}
|
|
472 |
|
|
473 |
r = iUsbHostMsLun.Write(mediaPos, len, iBuf);
|
|
474 |
if (r != KErrNone)
|
|
475 |
{
|
|
476 |
__HOSTPRINT1(_L("<<< HOST Write ret=%d"), r);
|
|
477 |
return r;
|
|
478 |
}
|
|
479 |
}
|
|
480 |
|
|
481 |
aPos += len;
|
|
482 |
aOffset += len;
|
|
483 |
}
|
|
484 |
|
|
485 |
__HOSTPRINT1(_L("<<< HOST Write ret=%d"), KErrNone);
|
|
486 |
return KErrNone;
|
|
487 |
}
|
|
488 |
|
|
489 |
/**
|
|
490 |
Write to the proxy drive and pass flags to driver
|
|
491 |
|
|
492 |
@param aPos The address from where the write begins.
|
|
493 |
@param aLength The length of the write.
|
|
494 |
@param aSrc A descriptor of the memory buffer from which to write.
|
|
495 |
@param aThreadHandle The handle-number representing the drive thread.
|
|
496 |
@param aOffset Offset into aSrc to write the data to.
|
|
497 |
@param aFlags Flags to be passed into the driver.
|
|
498 |
|
|
499 |
@return system wide error code.
|
|
500 |
*/
|
|
501 |
TInt CUsbHostMsProxyDrive::Write(TInt64 aPos, TInt aLength,
|
|
502 |
const TAny* aSrc, TInt aThreadHandle, TInt aOffset, TInt /* aFlags */)
|
|
503 |
{
|
|
504 |
__MSFNSLOG
|
|
505 |
return Write(aPos, aLength, aSrc, aThreadHandle, aOffset);
|
|
506 |
}
|
|
507 |
|
|
508 |
/**
|
|
509 |
Write to the proxy drive.
|
|
510 |
|
|
511 |
@param aPos The address from where the write begins.
|
|
512 |
@param aSrc A descriptor of the memory buffer from which to write.
|
|
513 |
|
|
514 |
@return system wide error code.
|
|
515 |
*/
|
|
516 |
TInt CUsbHostMsProxyDrive::Write(TInt64 aPos,const TDesC8& aSrc)
|
|
517 |
{
|
|
518 |
__MSFNSLOG
|
|
519 |
__HOSTPRINT3(_L("\n>>> HOST Write Pos=0x%lx LBA=0x%lx 0x%x"),
|
|
520 |
aPos, aPos/KBlockSize, aSrc.Length());
|
|
521 |
return iUsbHostMsLun.Write(iMsDataMemMap.GetDataPos(aPos), aSrc.Length(), aSrc);
|
|
522 |
}
|
|
523 |
|
|
524 |
/**
|
|
525 |
Get the proxy drive's capabilities information.
|
|
526 |
|
|
527 |
@param anInfo A descriptor of the connected drives capabilities.
|
|
528 |
|
|
529 |
@return system wide error code
|
|
530 |
*/
|
|
531 |
TInt CUsbHostMsProxyDrive::Caps(TDes8& anInfo)
|
|
532 |
{
|
|
533 |
__MSFNSLOG
|
|
534 |
__HOSTPRINT(_L("\n>>> HOST Caps"));
|
|
535 |
TLocalDriveCapsV6Buf caps;
|
|
536 |
caps.FillZ();
|
|
537 |
|
|
538 |
caps().iType = EMediaHardDisk;
|
|
539 |
caps().iBattery = EBatNotSupported;
|
|
540 |
caps().iDriveAtt = KDriveAttLocal | KDriveAttRemovable;
|
|
541 |
caps().iMediaAtt = KMediaAttFormattable;
|
|
542 |
caps().iFileSystemId = KDriveFileSysFAT;
|
|
543 |
caps().iExtraInfo = EFalse;
|
|
544 |
|
|
545 |
TCapsInfo capsInfo;
|
|
546 |
TInt r = iUsbHostMsLun.Caps(capsInfo);
|
|
547 |
if (KErrNone == r)
|
|
548 |
{
|
|
549 |
caps().iBlockSize = capsInfo.iBlockLength;
|
|
550 |
TUint64 size = iMsDataMemMap.DataSize();
|
|
551 |
if (size == 0)
|
|
552 |
{
|
|
553 |
// No valid partitions so specify the size of the disk
|
|
554 |
size = static_cast<TUint64>(capsInfo.iNumberOfBlocks) * capsInfo.iBlockLength;
|
|
555 |
}
|
|
556 |
caps().iSize = size;
|
|
557 |
|
|
558 |
caps().iEraseBlockSize = 0;
|
|
559 |
|
|
560 |
if (capsInfo.iWriteProtect)
|
|
561 |
{
|
|
562 |
caps().iMediaAtt |= KMediaAttWriteProtected;
|
|
563 |
}
|
|
564 |
__HOSTPRINT4(_L("<<< HOST Caps Block[num=0x%x size=0x%x] Media[size=0x%lx WP=0x%x]"),
|
|
565 |
capsInfo.iNumberOfBlocks, capsInfo.iBlockLength,
|
|
566 |
caps().iSize, caps().iMediaAtt);
|
|
567 |
}
|
|
568 |
else
|
|
569 |
{
|
|
570 |
__HOSTPRINT(_L("<<< HOST Caps Media Not Present"));
|
|
571 |
caps().iType = EMediaNotPresent;
|
|
572 |
if(r != KErrNotReady)
|
|
573 |
r = KErrUnknown;
|
|
574 |
}
|
|
575 |
anInfo = caps.Left(Min(caps.Length(),anInfo.MaxLength()));
|
|
576 |
return r;
|
|
577 |
}
|
|
578 |
|
|
579 |
|
|
580 |
|
|
581 |
/**
|
|
582 |
Format the proxy drive. The drive is assumed to be a single partition. The
|
|
583 |
partition size is equivalent to the size of the media.
|
|
584 |
|
|
585 |
@param aPos The position of the data which is being formatted.
|
|
586 |
@param aLength [IN] The length of the data which is being formatted. [OUT] The
|
|
587 |
length of data formatted, truncated when end of drive is reached.
|
|
588 |
|
|
589 |
@return system wide error code.
|
|
590 |
*/
|
|
591 |
TInt CUsbHostMsProxyDrive::Erase(TInt64 aPos, TInt& aLength)
|
|
592 |
{
|
|
593 |
__MSFNSLOG
|
|
594 |
__HOSTPRINT3(_L("\n HOST Erase Pos=0x%lx LBA=0x%lx 0x%x"),
|
|
595 |
aPos, aPos/KBlockSize, aLength);
|
|
596 |
TInt err = iMsDataMemMap.TranslateDataPos(aPos, aLength);
|
|
597 |
|
|
598 |
if (err)
|
|
599 |
return err;
|
|
600 |
|
|
601 |
err = iUsbHostMsLun.Erase(aPos, aLength);
|
|
602 |
return err;
|
|
603 |
}
|
|
604 |
|
|
605 |
|
|
606 |
/**
|
|
607 |
Format the proxy drive.
|
|
608 |
|
|
609 |
@param aPos The position of the data which is being formatted.
|
|
610 |
@param aLength The length of the data which is being formatted.
|
|
611 |
|
|
612 |
@return system wide error code.
|
|
613 |
*/
|
|
614 |
TInt CUsbHostMsProxyDrive::Format(TInt64 aPos, TInt aLength)
|
|
615 |
{
|
|
616 |
__MSFNSLOG
|
|
617 |
return Erase(aPos, aLength);
|
|
618 |
}
|
|
619 |
|
|
620 |
|
|
621 |
/**
|
|
622 |
Format the connected drive.
|
|
623 |
|
|
624 |
@param anInfo Device specific format information.
|
|
625 |
|
|
626 |
@return system wide error code.
|
|
627 |
*/
|
|
628 |
TInt CUsbHostMsProxyDrive::Format(TFormatInfo& aInfo)
|
|
629 |
{
|
|
630 |
__MSFNSLOG
|
|
631 |
|
|
632 |
const TInt KDefaultMaxBytesPerFormat = 0x100 * TMsDataMemMap::KSectorSize; // 128K
|
|
633 |
|
|
634 |
if (aInfo.i512ByteSectorsFormatted < 0)
|
|
635 |
return KErrArgument;
|
|
636 |
|
|
637 |
if (!aInfo.iFormatIsCurrent)
|
|
638 |
{
|
|
639 |
aInfo.iFormatIsCurrent = ETrue;
|
|
640 |
aInfo.i512ByteSectorsFormatted = 0;
|
|
641 |
aInfo.iMaxBytesPerFormat = KDefaultMaxBytesPerFormat;
|
|
642 |
|
|
643 |
TLocalDriveCapsV6Buf caps;
|
|
644 |
TInt r = Caps(caps);
|
|
645 |
if (r != KErrNone)
|
|
646 |
return r;
|
|
647 |
|
|
648 |
iMsDataMemMap.InitDataArea(caps().iSize);
|
|
649 |
}
|
|
650 |
|
|
651 |
TInt64 pos = static_cast<TInt64>(aInfo.i512ByteSectorsFormatted) << TMsDataMemMap::KFormatSectorShift;
|
|
652 |
TInt length = aInfo.iMaxBytesPerFormat;
|
|
653 |
TInt r = Erase(pos, length);
|
|
654 |
|
|
655 |
if (r == KErrNone)
|
|
656 |
{
|
|
657 |
length += TMsDataMemMap::KSectorSize - 1;
|
|
658 |
length >>= TMsDataMemMap::KFormatSectorShift;
|
|
659 |
aInfo.i512ByteSectorsFormatted += length;
|
|
660 |
}
|
|
661 |
|
|
662 |
return r;
|
|
663 |
}
|
|
664 |
|
|
665 |
|
|
666 |
TInt CUsbHostMsProxyDrive::NotifyChange(TDes8 &aChanged,TRequestStatus* aStatus)
|
|
667 |
{
|
|
668 |
__MSFNSLOG
|
|
669 |
iUsbHostMsLun.NotifyChange(aChanged, *aStatus);
|
|
670 |
|
|
671 |
if(*aStatus != KRequestPending)
|
|
672 |
return KErrUnknown;
|
|
673 |
|
|
674 |
return KErrNone;
|
|
675 |
}
|
|
676 |
|
|
677 |
void CUsbHostMsProxyDrive::NotifyChangeCancel()
|
|
678 |
{
|
|
679 |
__MSFNSLOG
|
|
680 |
iUsbHostMsLun.NotifyChangeCancel();
|
|
681 |
}
|
|
682 |
|
|
683 |
TInt CUsbHostMsProxyDrive::SetMountInfo(const TDesC8* /*aMountInfo*/,TInt /*aMountInfoThreadHandle=KCurrentThreadHandle*/)
|
|
684 |
{
|
|
685 |
__MSFNSLOG
|
|
686 |
return KErrNone;
|
|
687 |
}
|
|
688 |
|
|
689 |
TInt CUsbHostMsProxyDrive::ForceRemount(TUint aFlags)
|
|
690 |
{
|
|
691 |
__MSFNSLOG
|
|
692 |
iUsbHostMsLun.ForceRemount(aFlags);
|
|
693 |
return KErrNone;
|
|
694 |
}
|
|
695 |
|
|
696 |
TInt CUsbHostMsProxyDrive::Unlock(TMediaPassword& /*aPassword*/, TBool /*aStorePassword*/)
|
|
697 |
{
|
|
698 |
__MSFNSLOG
|
|
699 |
return KErrNotSupported;
|
|
700 |
}
|
|
701 |
|
|
702 |
TInt CUsbHostMsProxyDrive::Lock(TMediaPassword& /*aOldPassword*/, TMediaPassword& /*aNewPassword*/, TBool /*aStorePassword*/)
|
|
703 |
{
|
|
704 |
__MSFNSLOG
|
|
705 |
return KErrNotSupported;
|
|
706 |
}
|
|
707 |
|
|
708 |
TInt CUsbHostMsProxyDrive::Clear(TMediaPassword& /*aPassword*/)
|
|
709 |
{
|
|
710 |
__MSFNSLOG
|
|
711 |
return KErrNotSupported;
|
|
712 |
}
|
|
713 |
|
|
714 |
TInt CUsbHostMsProxyDrive::ErasePassword()
|
|
715 |
{
|
|
716 |
__MSFNSLOG
|
|
717 |
return KErrNotSupported;
|
|
718 |
}
|
|
719 |
|
|
720 |
TInt CUsbHostMsProxyDrive::GetInterface(TInt aInterfaceId,TAny*& aInterface,TAny* aInput)
|
|
721 |
{
|
|
722 |
switch(aInterfaceId)
|
|
723 |
{
|
|
724 |
case ELocalBufferSupport:
|
|
725 |
return KErrNone;
|
|
726 |
case EFinalised:
|
|
727 |
{
|
|
728 |
TBool isFinalised = (TBool)aInput;
|
|
729 |
if(isFinalised)
|
|
730 |
{
|
|
731 |
iUsbHostMsLun.SuspendLun();
|
|
732 |
}
|
|
733 |
}
|
|
734 |
return KErrNone;
|
|
735 |
default:
|
|
736 |
return KErrNotSupported;
|
|
737 |
}
|
|
738 |
}
|