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 <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 "debug.h" |
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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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/** |
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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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__FNLOG("RUsbHostMsLogicalUnit::Initialise"); |
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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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__PRINT1(_L("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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__PRINT1(_L("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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/** |
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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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*/ |
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EXPORT_C TInt RUsbHostMsLogicalUnit::Read(TInt64 aPos, TInt aLength, TDes8& aTrg) |
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{ |
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__FNLOG("RUsbHostMsLogicalUnit::Read"); |
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TReadWrite data; |
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data.iPos = aPos; |
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data.iLen = aLength; |
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__PRINT2(_L("pos = 0x%lx, len = x%x"), 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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__PRINT2(_L("pos = 0x%lx, len = x%x"), 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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108 |
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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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__FNLOG("RUsbHostMsLogicalUnit::Write"); |
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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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__PRINT2(_L("pos = 0x%lx, len = x%x"), data.iPos, data.iLen); |
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123 |
|
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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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132 |
|
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/** |
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Send a command to erase an area of the Mass Storage device. |
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135 |
|
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@param aPos Position to start reading from |
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@param aLength Number of Bytes |
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|
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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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__FNLOG("RUsbHostMsLogicalUnit::Erase"); |
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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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151 |
|
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__PRINT2(_L("pos = 0x%lx, len = x%x"), data.iPos, data.iLen); |
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|
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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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|
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/** |
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Send a command to get the nedia's capacity info. |
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|
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@param aCapsInfo [OUT] A buffer to copy the capacity info to. |
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|
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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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__FNLOG("RUsbHostMsLogicalUnit::Caps"); |
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|
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TPckg<TCapsInfo> data(aCapsInfo); |
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|
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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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/** |
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Request notification of media change to the file server |
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|
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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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__FNLOG("RUsbHostMsLogicalUnit::NotifyChange"); |
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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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/** |
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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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__FNLOG("RUsbHostMsLogicalUnit::SuspendLun"); |
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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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__FNLOG("RUsbHostMsLogicalUnit::UnInitialise"); |
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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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__FNLOG("RUsbHostMsLogicalUnit::ForceRemount"); |
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__PRINT1(_L("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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__FNLOG("RUsbHostMsLogicalUnit::NotifyChangeCancel"); |
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SendReceive(EUsbHostMsCancelChangeNotifier, TIpcArgs(NULL)); |
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} |