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// Copyright (c) 2008-2010 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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//
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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 "msgservice.h"
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#include "rusbhostmsdevice.h"
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#include "rusbhostmslogicalunit.h"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "rusbhostmslogicalunitTraces.h"
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#endif
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TVersion RUsbHostMsLogicalUnit::Version() const
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{
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return(TVersion(KUsbHostMsSrvMajorVersionNumber,
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KUsbHostMsSrvMinorVersionNumber,
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KUsbHostMsSrvBuildVersionNumber));
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}
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EXPORT_C RUsbHostMsLogicalUnit::RUsbHostMsLogicalUnit()
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{
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// Intentionally left blank
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}
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/**
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Send a command to initialise the Mass Storage device.
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@param aMsg
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@param aDevHandleIndex
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@param aLun
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@return TInt
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*/
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EXPORT_C TInt RUsbHostMsLogicalUnit::Initialise(const RMessage2& aMsg,
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TInt aDevHandleIndex,
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TUint32 aLun)
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{
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TInt r = dev.Open(aMsg, aDevHandleIndex);
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if (r != KErrNone)
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{
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OstTrace1(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_11,
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"Session handle can not be opened %d", r);
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return r;
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}
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r = CreateSubSession(dev, EUsbHostMsRegisterLun, TIpcArgs(aLun));
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if (r != KErrNone)
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{
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OstTrace1(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_12,
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"SubSession creation failed %d", r);
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return r;
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}
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return r;
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}
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/**
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Send a command to read the Mass Storage device.
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@param aPos Position to start reading from
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@param aLength Number of Bytes
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@param aTrg Buffer to copy data to
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@return TInt KErrNone, if the send operation is successful;
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KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available;
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KErrNoMemory, if there is insufficient memory available.
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0
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*/
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EXPORT_C TInt RUsbHostMsLogicalUnit::Read(TInt64 aPos, TInt aLength, TDes8& aTrg)
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{
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TReadWrite data;
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data.iPos = aPos;
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data.iLen = aLength;
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OstTraceExt3(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_21,
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"pos = 0x%x %x, len = x%x", I64HIGH(data.iPos), I64LOW(data.iPos), data.iLen);
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TPckg<TReadWrite> pckg(data);
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/* We handle the message asynchronously in the thread modelled MSC */
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TRequestStatus status;
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SendReceive(EUsbHostMsRead, TIpcArgs(&pckg, &aTrg), status);
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User::WaitForRequest(status);
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OstTraceExt3(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_22,
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"pos = 0x%x %x, len = x%x", I64HIGH(data.iPos), I64LOW(data.iPos), data.iLen);
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return status.Int();
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}
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/**
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Send a command to write to the Mass Storage device.
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@param aPos Position to start reading from
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@param aLength Number of Bytes
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@param aTrg Buffer to copy data from
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@return TInt KErrNone, if the send operation is successful;
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KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available;
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KErrNoMemory, if there is insufficient memory available.
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available.
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*/
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EXPORT_C TInt RUsbHostMsLogicalUnit::Write(TInt64 aPos, TInt aLength, const TDesC8& aTrg)
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{
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TReadWrite data;
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data.iPos = aPos;
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data.iLen = aLength;
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OstTraceExt3(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_23,
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"pos = 0x%x %x, len = x%x", I64HIGH(data.iPos), I64LOW(data.iPos), data.iLen);
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TPckg<TReadWrite> pckg(data);
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/* We handle the message asynchronously in the thread modelled MSC */
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TRequestStatus status;
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SendReceive(EUsbHostMsWrite, TIpcArgs(&aTrg, &pckg), status);
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User::WaitForRequest(status);
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return status.Int();
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}
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/**
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Send a command to erase an area of the Mass Storage device.
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@param aPos Position to start reading from
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@param aLength Number of Bytes
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@return TInt KErrNone, if the send operation is successful;
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KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available;
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KErrNoMemory, if there is insufficient memory available.
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available.
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*/
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EXPORT_C TInt RUsbHostMsLogicalUnit::Erase(TInt64 aPos, TInt aLength)
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{
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TReadWrite data;
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data.iPos = aPos;
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data.iLen = aLength;
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OstTraceExt3(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_24,
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"pos = 0x%x %x, len = x%x", I64HIGH(data.iPos), I64LOW(data.iPos), data.iLen);
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TPckg<TReadWrite> pckg(data);
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/* We handle the message asynchronously in the thread modelled MSC */
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TRequestStatus status;
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SendReceive(EUsbHostMsErase, TIpcArgs(&pckg), status);
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User::WaitForRequest(status);
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return status.Int();
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}
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/**
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Send a command to get the nedia's capacity info.
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@param aCapsInfo [OUT] A buffer to copy the capacity info to.
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@return TInt KErrNone, if the send operation is successful;
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KErrServerTerminated, if the server no longer present; KErrServerBusy, if there
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are no message slots available; KErrNoMemory, if there is insufficient memory
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available.
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*/
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EXPORT_C TInt RUsbHostMsLogicalUnit::Caps(TCapsInfo& aCapsInfo)
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{
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TPckg<TCapsInfo> data(aCapsInfo);
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/* We handle the message asynchronously in the thread modelled MSC */
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TRequestStatus status;
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SendReceive(EUsbHostMsCapacity, TIpcArgs(&data),status);
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User::WaitForRequest(status);
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return status.Int();
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}
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/**
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Request notification of media change to the file server
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@param aChanged The descriptor pointing to iChanged flag in TDrive to be updated
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when error occurs during read or write.
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@param aStatus The request status This is set to KErrNone on completion, or KErrCancel when the logical unit is closed;
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KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available;
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KErrNoMemory, if there is insufficient memory available.
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@return None
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*/
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EXPORT_C void RUsbHostMsLogicalUnit::NotifyChange(TDes8& aChanged, TRequestStatus &aStatus)
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{
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SendReceive(EUsbHostMsNotifyChange, TIpcArgs(&aChanged), aStatus);
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}
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/**
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Request to suspend the logical unit associated with this drive
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*/
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EXPORT_C void RUsbHostMsLogicalUnit::SuspendLun()
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{
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SendReceive(EUsbHostMsSuspendLun, TIpcArgs(NULL));
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}
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/**
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Close the sub-session.
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@return TInt KErrNone
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*/
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EXPORT_C TInt RUsbHostMsLogicalUnit::UnInitialise()
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{
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CloseSubSession(EUsbHostMsUnRegisterLun);
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dev.Close();
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return KErrNone;
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}
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/**
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Request that the drive is remounted.
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@param aFlags Flags to be passed to the drive
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@return EXPORT_C TInt KErrNone, if the send operation is successful;
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KErrServerTerminated, if the server no longer present; KErrServerBusy, if there
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are no message slots available; KErrNoMemory, if there is insufficient memory
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available.
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*/
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EXPORT_C TInt RUsbHostMsLogicalUnit::ForceRemount(TUint aFlags)
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{
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OstTrace1(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_25,
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"flags = %d", aFlags);
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TRequestStatus status;
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SendReceive(EUsbHostMsForceRemount, TIpcArgs(aFlags), status);
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User::WaitForRequest(status);
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return status.Int();
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}
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EXPORT_C void RUsbHostMsLogicalUnit::NotifyChangeCancel()
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{
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SendReceive(EUsbHostMsCancelChangeNotifier, TIpcArgs(NULL));
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}
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