author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 16 Apr 2010 16:24:37 +0300 | |
changeset 90 | 947f0dc9f7a8 |
parent 33 | 0173bcd7697c |
child 97 | 41f0cfe18c80 |
permissions | -rw-r--r-- |
90
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
33
diff
changeset
|
1 |
// 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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/** |
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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 "usbmshostpanic.h" |
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#include "debug.h" |
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#include "msdebug.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 "cmassstoragefsm.h" |
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/** |
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Constructor |
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@param aScsiProtocol A reference to CScsiProtocol |
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*/ |
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TMassStorage::TMassStorage(CScsiProtocol& aScsiProtocol) |
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: iScsiProtocol(aScsiProtocol) |
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{ |
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__MSFNLOG |
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} |
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||
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/** |
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Clear StatusCheck flag. Periodic status checking is used for removable media. |
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*/ |
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void CMassStorageFsm::ClearStatusCheck() |
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{ |
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__MSFNLOG |
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iStatusCheck = EFalse; |
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} |
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/** |
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Set StatusCheck flag. Periodic status checking is used for removable media. |
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*/ |
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void CMassStorageFsm::SetStatusCheck() |
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{ |
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__MSFNLOG |
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iStatusCheck = ETrue; |
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} |
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/** |
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Get the boolean state of StatusCheck flag. |
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@return TBool ETrue if StatusCheck flag is set |
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*/ |
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TBool CMassStorageFsm::IsStatusCheck() const |
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{ |
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__MSFNSLOG |
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return iStatusCheck; |
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} |
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/** |
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Device supports SCSI BLOCK COMMANDS. |
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@return TBool Returns ETrue if the SBC interface is initialised |
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*/ |
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TBool TMassStorage::IsSbcSet() const |
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{ |
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__MSFNSLOG |
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return iScsiProtocol.MsIsSbcSet(); |
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} |
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/** |
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Device is removable media |
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@return TBool Returns ETrue if removable |
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*/ |
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TBool TMassStorage::IsRemovableMedia() const |
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{ |
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__MSFNSLOG |
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return iScsiProtocol.MsIsRemovableMedia(); |
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} |
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/** |
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Retrieve the sense info returned by a call to SenseL |
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@return const TSenseInfo& Returns the SCSI SENSE info |
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*/ |
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const TSenseInfo& TMassStorage::MsSenseInfo() const |
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{ |
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__MSFNSLOG |
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return iScsiProtocol.MsSenseInfo(); |
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} |
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/** SCSI Request */ |
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TMassStorage::TEvent TMassStorage::InquiryL() |
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{ |
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__MSFNLOG |
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TEvent event = EEvCommandFailed; |
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switch (iScsiProtocol.MsInquiryL()) |
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{ |
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case KErrNone: |
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event = EEvCommandPassed; |
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break; |
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case KErrCommandFailed: |
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event = EEvCommandFailed; |
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break; |
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case KErrNotSupported: |
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__SCSIPRINT(_L("INQUIRY Command returned NOT SUPPORTED")); |
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User::Leave(KErrNotSupported); |
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break; |
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default: |
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90
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
33
diff
changeset
|
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__SCSIPRINT(_L("INQUIRY Command returned KErrUnknown")); |
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User::Leave(KErrUnknown); |
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break; |
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} |
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return event; |
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} |
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/** SCSI Request */ |
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TMassStorage::TEvent TMassStorage::SenseL() |
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{ |
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__MSFNLOG |
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TEvent event = EEvCommandPassed; |
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switch (iScsiProtocol.MsRequestSenseL()) |
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{ |
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case KErrNone: |
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break; |
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case KErrCommandFailed: |
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__SCSIPRINT(_L("REQUEST SENSE Command Failed")); |
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User::Leave(KErrNotSupported); |
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break; |
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default: |
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90
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
33
diff
changeset
|
154 |
__SCSIPRINT(_L("INQUIRY Command returned KErrUnknown")); |
0 | 155 |
User::Leave(KErrUnknown); |
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break; |
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} |
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return event; |
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} |
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/** SCSI Request */ |
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TMassStorage::TEvent TMassStorage::TestUnitReadyL() |
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{ |
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__MSFNLOG |
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// KErrCommandFailed indictates that device is NOT READY |
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TInt err = iScsiProtocol.MsTestUnitReadyL(); |
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return (err == KErrNone) ? EEvCommandPassed : EEvCommandFailed; |
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} |
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/** SCSI Request */ |
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TMassStorage::TEvent TMassStorage::StartStopUnitL(TBool aStart) |
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{ |
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__MSFNLOG |
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TInt err = iScsiProtocol.MsStartStopUnitL(aStart); |
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return (err == KErrNone) ? EEvCommandPassed : EEvCommandFailed; |
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} |
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/** SCSI Request */ |
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TMassStorage::TEvent TMassStorage::PreventAllowMediumRemovalL(TBool aPrevent) |
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{ |
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__MSFNLOG |
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// KErrCommandFailed indictates that device is NOT READY |
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TInt err = iScsiProtocol.MsPreventAllowMediaRemovalL(aPrevent); |
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return (err == KErrNone) ? EEvCommandPassed : EEvCommandFailed; |
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} |
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/** SCSI Request */ |
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TMassStorage::TEvent TMassStorage::ReadCapacityL() |
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{ |
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__MSFNLOG |
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TInt err = iScsiProtocol.MsReadCapacityL(); |
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return ErrToEvent(err); |
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} |
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/** SCSI Request */ |
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TMassStorage::TEvent TMassStorage::ModeSense10L() |
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{ |
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__MSFNLOG |
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TInt err = iScsiProtocol.MsModeSense10L(); |
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return ErrToEvent(err); |
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} |
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/** SCSI Request */ |
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TMassStorage::TEvent TMassStorage::ModeSense6L() |
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{ |
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__MSFNLOG |
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TInt err = iScsiProtocol.MsModeSense6L(); |
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return ErrToEvent(err); |
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} |
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/** |
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Creates and returns a pointer to CMassStorageFsm. |
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@param aScsiProtocol A reference to the protocol providing the interface to the |
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mass storage device. |
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@return CMassStorageFsm* A pointer to the newly created object |
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*/ |
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CMassStorageFsm* CMassStorageFsm::NewL(CScsiProtocol& aScsiProtocol) |
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{ |
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__MSFNSLOG |
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CMassStorageFsm* r = new (ELeave) CMassStorageFsm(aScsiProtocol); |
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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 CMassStorageFsm::ConstructL() |
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{ |
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__MSFNLOG |
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TInt i = 0; |
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// EInquiryState, |
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iStateTable[i++] = new (ELeave) TInquiryState; |
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// EInquirySenseState, |
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iStateTable[i++] = new (ELeave) TInquirySenseState; |
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// ENotReadyState, |
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iStateTable[i++] = new (ELeave) TNotReadyState; |
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// ENotReadySenseState, |
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iStateTable[i++] = new (ELeave) TNotReadySenseState; |
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// EStartUnitState |
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iStateTable[i++] = new (ELeave) TStartUnitState; |
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//EStartUnitSenseState, |
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iStateTable[i++] = new (ELeave) TStartUnitSenseState; |
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//EPreventAllowMediumRemovalState, |
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iStateTable[i++] = new (ELeave) TPreventMediumRemovalState; |
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//EPreventAllowMediumRemovalSenseState, |
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iStateTable[i++] = new (ELeave) TPreventMediumRemovalSenseState; |
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//EReadCapacity10State, |
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iStateTable[i++] = new (ELeave) TReadCapacity10State; |
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//EModeSense10State, |
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iStateTable[i++] = new (ELeave) TModeSense10State; |
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//EModeSense10SenseState, |
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iStateTable[i++] = new (ELeave) TModeSense10SenseState; |
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//EModeSense6State, |
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iStateTable[i++] = new (ELeave) TModeSense6State; |
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//EModeSense6SenseState, |
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iStateTable[i++] = new (ELeave) TModeSense6SenseState; |
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//EConnectedState, |
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iStateTable[i++] = new (ELeave) TConnectedState; |
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//EStatusCheck |
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iStateTable[i++] = new (ELeave) TStatusCheckState; |
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//EAllowMediumRemovalState, |
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iStateTable[i++] = new (ELeave) TAllowMediumRemovalState; |
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//EStopUnitState, |
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iStateTable[i++] = new (ELeave) TStopUnitState; |
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//ESenseState, |
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iStateTable[i++] = new (ELeave) TSenseState; |
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#ifdef __DEBUG |
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// verify state table |
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for (TInt i = 0; i < iStateTable.Count(), i++) |
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{ |
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__ASSERT_DEBUG(i == iStateTable[i].iStateId, User::Invariant()); |
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} |
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#endif |
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285 |
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SetState(TMassStorageState::EInquiryState); |
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} |
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288 |
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289 |
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CMassStorageFsm::CMassStorageFsm(CScsiProtocol& aScsiProtocol) |
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: TMassStorage(aScsiProtocol), |
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iStartStopUnitRequired(EFalse) |
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{ |
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__MSFNLOG |
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} |
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296 |
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CMassStorageFsm::~CMassStorageFsm() |
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{ |
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299 |
__MSFNLOG |
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300 |
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301 |
for (TInt i = 0; i < iStateTable.Count(); i++) |
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302 |
{ |
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delete iStateTable[i]; |
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} |
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} |
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306 |
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307 |
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308 |
TMassStorage::TEvent CMassStorageFsm::EntryL() |
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{ |
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310 |
__MSFNLOG |
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311 |
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return iState->EntryL(*this); |
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} |
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314 |
||
315 |
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316 |
/** |
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317 |
Run FSM to connect device. |
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318 |
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319 |
@return TInt KErrCompletion if successful otherwise KErrNotSupported |
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320 |
*/ |
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321 |
TInt CMassStorageFsm::ConnectLogicalUnitL() |
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322 |
{ |
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323 |
__MSFNLOG |
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324 |
TInt err = KErrNone; |
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325 |
for (;;) |
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326 |
{ |
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327 |
err = ProcessStateL(); |
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328 |
if (err) |
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329 |
break; |
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330 |
} |
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331 |
return err; |
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332 |
} |
|
333 |
||
334 |
||
335 |
/** |
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336 |
Run FSM to disconnect the device. |
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337 |
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338 |
@return TInt KErrCompletion if successful otherwise KErrNotSupported |
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339 |
*/ |
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340 |
TInt CMassStorageFsm::DisconnectLogicalUnitL() |
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341 |
{ |
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342 |
__MSFNLOG |
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343 |
TInt err = KErrNone; |
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344 |
for (;;) |
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345 |
{ |
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346 |
TInt err = ProcessStateL(); |
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347 |
if (err) |
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348 |
break; |
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349 |
} |
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350 |
return err; |
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351 |
} |
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352 |
||
353 |
||
354 |
/** |
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355 |
Return current FSM state. |
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356 |
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357 |
@return TBool ETrue if FSM state is Connected State |
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358 |
*/ |
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359 |
TBool CMassStorageFsm::IsConnected() const |
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360 |
{ |
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361 |
__MSFNSLOG |
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362 |
return iState->iStateId == TMassStorageState::EConnectedState ? ETrue : EFalse; |
|
363 |
} |
|
364 |
||
365 |
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366 |
TInt CMassStorageFsm::ProcessStateL() |
|
367 |
{ |
|
368 |
__MSFNLOG |
|
369 |
TMassStorage::TEvent event = TMassStorage::EEvCommandFailed; |
|
370 |
TRAPD(err, event = EntryL()); |
|
371 |
if (err == KErrNotSupported) |
|
372 |
{ |
|
373 |
return KErrNotSupported; |
|
374 |
} |
|
375 |
User::LeaveIfError(err); |
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376 |
||
377 |
__HOSTPRINT1(_L("FSM event=%d"), event); |
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378 |
switch (event) |
|
379 |
{ |
|
380 |
case TMassStorage::EEvCommandPassed: |
|
381 |
err = ScsiCommandPassed(); |
|
382 |
break; |
|
383 |
case TMassStorage::EEvCommandFailed: |
|
384 |
err = ScsiCommandFailed(); |
|
385 |
break; |
|
386 |
case TMassStorage::EEvCommandError: |
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387 |
err = ScsiCommandError(); |
|
388 |
break; |
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389 |
default: |
|
390 |
User::Panic(KUsbMsHostPanicCat, EMsFsmEvent); |
|
391 |
break; |
|
392 |
} |
|
393 |
||
394 |
__HOSTPRINT1(_L("FSM ProcessState completed=%d"), err); |
|
395 |
return err; |
|
396 |
} |
|
397 |
||
398 |
||
399 |
TInt CMassStorageFsm::ScsiCommandPassed() |
|
400 |
{ |
|
401 |
__MSFNLOG |
|
402 |
return iState->ScsiCommandPassed(*this); |
|
403 |
} |
|
404 |
||
405 |
||
406 |
TInt CMassStorageFsm::ScsiCommandFailed() |
|
407 |
{ |
|
408 |
__MSFNLOG |
|
409 |
return iState->ScsiCommandFailed(*this); |
|
410 |
} |
|
411 |
||
412 |
||
413 |
TInt CMassStorageFsm::ScsiCommandError() |
|
414 |
{ |
|
415 |
__MSFNLOG |
|
416 |
return iState->ScsiCommandError(*this); |
|
417 |
} |
|
418 |
||
419 |
||
420 |
/** |
|
421 |
Constructor |
|
422 |
||
423 |
@param aStateId The state id of the state implementation |
|
424 |
*/ |
|
425 |
TMassStorageState::TMassStorageState(TStateId aStateId) |
|
426 |
: iStateId(aStateId) |
|
427 |
{ |
|
428 |
__MSFNLOG |
|
429 |
} |
|
430 |
||
431 |
||
432 |
/** |
|
433 |
Default state does nothing. Used by states where the stalled event is not |
|
434 |
applicable |
|
435 |
||
436 |
@param aFsm |
|
437 |
||
438 |
@return TInt |
|
439 |
*/ |
|
440 |
TInt TMassStorageState::ScsiCommandError(CMassStorageFsm& /* aFsm */) |
|
441 |
{ |
|
442 |
return KErrNone; |
|
443 |
} |
|
444 |
||
445 |
||
446 |
TInt TMassStorageState::SenseError(CMassStorageFsm& aFsm) |
|
447 |
{ |
|
448 |
__MSFNLOG |
|
449 |
TInt ret = KErrNone; |
|
450 |
const TSenseInfo& senseInfo = aFsm.MsSenseInfo(); |
|
451 |
||
452 |
if (senseInfo.iSenseCode == TSenseInfo::EUnitAttention) |
|
453 |
{ |
|
454 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
455 |
} |
|
456 |
else |
|
457 |
{ |
|
458 |
aFsm.SetState(TMassStorageState::ENotReadyState); |
|
459 |
ret = KErrCompletion; |
|
460 |
} |
|
461 |
return ret; |
|
462 |
} |
|
463 |
||
464 |
||
465 |
/** |
|
466 |
||
467 |
*/ |
|
468 |
TInquiryState::TInquiryState() |
|
469 |
: TMassStorageState(EInquiryState) |
|
470 |
{ |
|
471 |
__MSFNLOG |
|
472 |
} |
|
473 |
||
474 |
||
475 |
TMassStorage::TEvent TInquiryState::EntryL(CMassStorageFsm& aFsm) |
|
476 |
{ |
|
477 |
__MSFNLOG |
|
478 |
return aFsm.InquiryL(); |
|
479 |
}; |
|
480 |
||
481 |
||
482 |
TInt TInquiryState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
483 |
{ |
|
484 |
__MSFNLOG |
|
485 |
aFsm.SetState(ENotReadyState); |
|
486 |
return KErrNone; |
|
487 |
}; |
|
488 |
||
489 |
||
490 |
TInt TInquiryState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
491 |
{ |
|
492 |
__MSFNLOG |
|
493 |
aFsm.SetState(EInquirySenseState); |
|
494 |
return KErrNone; |
|
495 |
} |
|
496 |
||
497 |
||
498 |
/** |
|
499 |
||
500 |
*/ |
|
501 |
TInquirySenseState::TInquirySenseState() |
|
502 |
: TMassStorageState(EInquirySenseState) |
|
503 |
{ |
|
504 |
__MSFNLOG |
|
505 |
} |
|
506 |
||
507 |
||
508 |
TMassStorage::TEvent TInquirySenseState::EntryL(CMassStorageFsm& aFsm) |
|
509 |
{ |
|
510 |
__MSFNLOG |
|
511 |
return aFsm.SenseL(); |
|
512 |
}; |
|
513 |
||
514 |
||
515 |
TInt TInquirySenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
516 |
{ |
|
517 |
__MSFNLOG |
|
518 |
// SENSE ERROR |
|
519 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
520 |
return KErrCompletion; |
|
521 |
}; |
|
522 |
||
523 |
||
524 |
TInt TInquirySenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
525 |
{ |
|
526 |
__MSFNLOG |
|
527 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
528 |
return KErrCompletion; |
|
529 |
} |
|
530 |
||
531 |
||
532 |
/** |
|
533 |
||
534 |
*/ |
|
535 |
TNotReadyState::TNotReadyState() |
|
536 |
: TMassStorageState(ENotReadyState) |
|
537 |
{ |
|
538 |
__MSFNLOG |
|
539 |
} |
|
540 |
||
541 |
||
542 |
TMassStorage::TEvent TNotReadyState::EntryL(CMassStorageFsm& aFsm) |
|
543 |
{ |
|
544 |
__MSFNLOG |
|
545 |
return aFsm.TestUnitReadyL(); |
|
546 |
} |
|
547 |
||
548 |
||
549 |
TInt TNotReadyState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
550 |
{ |
|
551 |
__MSFNLOG |
|
552 |
if (aFsm.IsSbcSet()) |
|
553 |
{ |
|
554 |
if (aFsm.IsRemovableMedia()) |
|
555 |
aFsm.SetState(TMassStorageState::EPreventRemovalState); |
|
556 |
else |
|
557 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
558 |
} |
|
559 |
else |
|
560 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
561 |
return KErrNone; |
|
562 |
} |
|
563 |
||
564 |
||
565 |
TInt TNotReadyState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
566 |
{ |
|
567 |
__MSFNLOG |
|
568 |
aFsm.SetState(TMassStorageState::ENotReadySenseState); |
|
569 |
return KErrNone; |
|
570 |
} |
|
571 |
||
572 |
||
573 |
/** |
|
574 |
||
575 |
*/ |
|
576 |
TNotReadySenseState::TNotReadySenseState() |
|
577 |
: TMassStorageState(ENotReadySenseState) |
|
578 |
{ |
|
579 |
__MSFNLOG |
|
580 |
} |
|
581 |
||
582 |
||
583 |
TMassStorage::TEvent TNotReadySenseState::EntryL(CMassStorageFsm& aFsm) |
|
584 |
{ |
|
585 |
__MSFNLOG |
|
586 |
return aFsm.SenseL(); |
|
587 |
} |
|
588 |
||
589 |
||
590 |
TInt TNotReadySenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
591 |
{ |
|
592 |
__MSFNLOG |
|
593 |
const TSenseInfo& senseInfo = aFsm.MsSenseInfo(); |
|
594 |
TInt ret = KErrNone; |
|
595 |
||
596 |
if (senseInfo.iSenseCode == TSenseInfo::ENotReady && |
|
597 |
senseInfo.iAdditional == TSenseInfo::EAscLogicalUnitNotReady && |
|
598 |
senseInfo.iQualifier == TSenseInfo::EAscqInitializingCommandRequired) |
|
599 |
{ |
|
600 |
aFsm.SetStartStopUnitRequired(ETrue); |
|
601 |
aFsm.SetState(TMassStorageState::EStartUnitState); |
|
602 |
} |
|
603 |
else |
|
604 |
{ |
|
605 |
ret = TMassStorageState::SenseError(aFsm); |
|
606 |
} |
|
607 |
||
608 |
return ret; |
|
609 |
} |
|
610 |
||
611 |
||
612 |
TInt TNotReadySenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
613 |
{ |
|
614 |
__MSFNLOG |
|
615 |
return TMassStorageState::SenseError(aFsm); |
|
616 |
} |
|
617 |
||
618 |
||
619 |
/** |
|
620 |
||
621 |
*/ |
|
622 |
TStartUnitState::TStartUnitState() |
|
623 |
: TMassStorageState(EPreventRemovalState) |
|
624 |
{ |
|
625 |
__MSFNLOG |
|
626 |
} |
|
627 |
||
628 |
||
629 |
TMassStorage::TEvent TStartUnitState::EntryL(CMassStorageFsm& aFsm) |
|
630 |
{ |
|
631 |
__MSFNLOG |
|
632 |
return aFsm.StartStopUnitL(ETrue); |
|
633 |
} |
|
634 |
||
635 |
||
636 |
TInt TStartUnitState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
637 |
{ |
|
638 |
__MSFNLOG |
|
639 |
if (aFsm.IsRemovableMedia()) |
|
640 |
aFsm.SetState(TMassStorageState::EPreventRemovalState); |
|
641 |
else |
|
642 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
643 |
return KErrNone; |
|
644 |
} |
|
645 |
||
646 |
||
647 |
TInt TStartUnitState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
648 |
{ |
|
649 |
__MSFNLOG |
|
650 |
aFsm.SetState(TMassStorageState::EPreventRemovalSenseState); |
|
651 |
return KErrNone; |
|
652 |
} |
|
653 |
||
654 |
/** |
|
655 |
||
656 |
*/ |
|
657 |
TStartUnitSenseState::TStartUnitSenseState() |
|
658 |
: TMassStorageState(EPreventRemovalSenseState) |
|
659 |
{ |
|
660 |
__MSFNLOG |
|
661 |
} |
|
662 |
||
663 |
||
664 |
TMassStorage::TEvent TStartUnitSenseState::EntryL(CMassStorageFsm& aFsm) |
|
665 |
{ |
|
666 |
__MSFNLOG |
|
667 |
return aFsm.SenseL(); |
|
668 |
} |
|
669 |
||
670 |
||
671 |
TInt TStartUnitSenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
672 |
{ |
|
673 |
__MSFNLOG |
|
674 |
if (aFsm.IsRemovableMedia()) |
|
675 |
aFsm.SetState(TMassStorageState::EPreventRemovalState); |
|
676 |
else |
|
677 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
678 |
||
679 |
return KErrNone; |
|
680 |
} |
|
681 |
||
682 |
||
683 |
TInt TStartUnitSenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
684 |
{ |
|
685 |
__MSFNLOG |
|
686 |
TInt ret = KErrCompletion; |
|
687 |
const TSenseInfo& senseInfo = aFsm.MsSenseInfo(); |
|
688 |
||
689 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
690 |
if (senseInfo.iSenseCode == TSenseInfo::EIllegalRequest) |
|
691 |
{ |
|
692 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
693 |
ret = KErrNone; |
|
694 |
} |
|
695 |
else |
|
696 |
{ |
|
697 |
ret = TMassStorageState::SenseError(aFsm); |
|
698 |
} |
|
699 |
||
700 |
return ret; |
|
701 |
} |
|
702 |
||
703 |
||
704 |
/** |
|
705 |
||
706 |
*/ |
|
707 |
TPreventMediumRemovalState::TPreventMediumRemovalState() |
|
708 |
: TMassStorageState(EPreventRemovalState) |
|
709 |
{ |
|
710 |
__MSFNLOG |
|
711 |
} |
|
712 |
||
713 |
||
714 |
TMassStorage::TEvent TPreventMediumRemovalState::EntryL(CMassStorageFsm& aFsm) |
|
715 |
{ |
|
716 |
__MSFNLOG |
|
717 |
return aFsm.PreventAllowMediumRemovalL(ETrue); |
|
718 |
} |
|
719 |
||
720 |
||
721 |
TInt TPreventMediumRemovalState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
722 |
{ |
|
723 |
__MSFNLOG |
|
724 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
725 |
return KErrNone; |
|
726 |
} |
|
727 |
||
728 |
||
729 |
TInt TPreventMediumRemovalState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
730 |
{ |
|
731 |
__MSFNLOG |
|
732 |
aFsm.SetState(TMassStorageState::EPreventRemovalSenseState); |
|
733 |
return KErrNone; |
|
734 |
} |
|
735 |
||
736 |
/** |
|
737 |
||
738 |
*/ |
|
739 |
TPreventMediumRemovalSenseState::TPreventMediumRemovalSenseState() |
|
740 |
: TMassStorageState(EPreventRemovalSenseState) |
|
741 |
{ |
|
742 |
__MSFNLOG |
|
743 |
} |
|
744 |
||
745 |
||
746 |
TMassStorage::TEvent TPreventMediumRemovalSenseState::EntryL(CMassStorageFsm& aFsm) |
|
747 |
{ |
|
748 |
__MSFNLOG |
|
749 |
return aFsm.SenseL(); |
|
750 |
} |
|
751 |
||
752 |
||
753 |
TInt TPreventMediumRemovalSenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
754 |
{ |
|
755 |
__MSFNLOG |
|
756 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
757 |
return KErrNone; |
|
758 |
} |
|
759 |
||
760 |
||
761 |
||
762 |
||
763 |
TInt TPreventMediumRemovalSenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
764 |
{ |
|
765 |
__MSFNLOG |
|
766 |
TInt ret = KErrCompletion; |
|
767 |
const TSenseInfo& senseInfo = aFsm.MsSenseInfo(); |
|
768 |
||
769 |
if (senseInfo.iSenseCode == TSenseInfo::EIllegalRequest) |
|
770 |
{ |
|
771 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
772 |
ret = KErrNone; |
|
773 |
} |
|
774 |
else |
|
775 |
{ |
|
776 |
ret = TMassStorageState::SenseError(aFsm); |
|
777 |
} |
|
778 |
return ret; |
|
779 |
} |
|
780 |
||
781 |
||
782 |
/** |
|
783 |
||
784 |
*/ |
|
785 |
TReadCapacity10State::TReadCapacity10State() |
|
786 |
: TMassStorageState(EReadCapacityState) |
|
787 |
{ |
|
788 |
__MSFNLOG |
|
789 |
} |
|
790 |
||
791 |
||
792 |
TMassStorage::TEvent TReadCapacity10State::EntryL(CMassStorageFsm& aFsm) |
|
793 |
{ |
|
794 |
__MSFNLOG |
|
795 |
return aFsm.ReadCapacityL(); |
|
796 |
}; |
|
797 |
||
798 |
||
799 |
TInt TReadCapacity10State::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
800 |
{ |
|
801 |
__MSFNLOG |
|
802 |
aFsm.SetState(EModeSense10State); |
|
803 |
return KErrNone; |
|
804 |
}; |
|
805 |
||
806 |
||
807 |
TInt TReadCapacity10State::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
808 |
{ |
|
809 |
__MSFNLOG |
|
810 |
aFsm.SetState(TMassStorageState::ESenseState); |
|
811 |
return KErrCompletion; |
|
812 |
} |
|
813 |
||
814 |
||
815 |
TInt TReadCapacity10State::ScsiCommandError(CMassStorageFsm& aFsm) |
|
816 |
{ |
|
817 |
__MSFNLOG |
|
818 |
aFsm.SetState(TMassStorageState::ENotReadyState); |
|
819 |
return KErrCompletion; |
|
820 |
} |
|
821 |
||
822 |
||
823 |
/** |
|
824 |
||
825 |
*/ |
|
826 |
TModeSense10State::TModeSense10State() |
|
827 |
: TMassStorageState(EModeSense10State) |
|
828 |
{ |
|
829 |
__MSFNLOG |
|
830 |
} |
|
831 |
||
832 |
||
833 |
TMassStorage::TEvent TModeSense10State::EntryL(CMassStorageFsm& aFsm) |
|
834 |
{ |
|
835 |
__MSFNLOG |
|
836 |
return aFsm.ModeSense10L(); |
|
837 |
}; |
|
838 |
||
839 |
||
840 |
TInt TModeSense10State::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
841 |
{ |
|
842 |
__MSFNLOG |
|
843 |
aFsm.SetState(EConnectedState); |
|
844 |
return KErrCompletion; |
|
845 |
}; |
|
846 |
||
847 |
||
848 |
TInt TModeSense10State::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
849 |
{ |
|
850 |
__MSFNLOG |
|
851 |
aFsm.SetState(EModeSense10SenseState); |
|
852 |
return KErrNone; |
|
853 |
} |
|
854 |
||
855 |
||
856 |
TInt TModeSense10State::ScsiCommandError(CMassStorageFsm& aFsm) |
|
857 |
{ |
|
858 |
__MSFNLOG |
|
859 |
aFsm.SetState(EModeSense6State); |
|
860 |
return KErrNone; |
|
861 |
} |
|
862 |
||
863 |
/** |
|
864 |
||
865 |
*/ |
|
866 |
TModeSense10SenseState::TModeSense10SenseState() |
|
867 |
: TMassStorageState(EModeSense10SenseState) |
|
868 |
{ |
|
869 |
__MSFNLOG |
|
870 |
} |
|
871 |
||
872 |
||
873 |
TMassStorage::TEvent TModeSense10SenseState::EntryL(CMassStorageFsm& aFsm) |
|
874 |
{ |
|
875 |
__MSFNLOG |
|
876 |
return aFsm.SenseL(); |
|
877 |
}; |
|
878 |
||
879 |
||
880 |
TInt TModeSense10SenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
881 |
{ |
|
882 |
__MSFNLOG |
|
883 |
TInt ret = KErrCompletion; |
|
884 |
const TSenseInfo& senseInfo = aFsm.MsSenseInfo(); |
|
885 |
||
886 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
887 |
if (senseInfo.iSenseCode == TSenseInfo::EIllegalRequest) |
|
888 |
{ |
|
889 |
aFsm.SetState(TMassStorageState::EModeSense6State); |
|
890 |
ret = KErrNone; |
|
891 |
} |
|
892 |
else |
|
893 |
{ |
|
894 |
ret = TMassStorageState::SenseError(aFsm); |
|
895 |
} |
|
896 |
return ret; |
|
897 |
}; |
|
898 |
||
899 |
||
900 |
TInt TModeSense10SenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
901 |
{ |
|
902 |
__MSFNLOG |
|
903 |
aFsm.SetState(EInquirySenseState); |
|
904 |
return KErrCompletion; |
|
905 |
} |
|
906 |
||
907 |
/** |
|
908 |
||
909 |
*/ |
|
910 |
TModeSense6State::TModeSense6State() |
|
911 |
: TMassStorageState(EModeSense6State) |
|
912 |
{ |
|
913 |
__MSFNLOG |
|
914 |
} |
|
915 |
||
916 |
||
917 |
TMassStorage::TEvent TModeSense6State::EntryL(CMassStorageFsm& aFsm) |
|
918 |
{ |
|
919 |
__MSFNLOG |
|
920 |
return aFsm.ModeSense6L(); |
|
921 |
}; |
|
922 |
||
923 |
||
924 |
TInt TModeSense6State::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
925 |
{ |
|
926 |
__MSFNLOG |
|
927 |
aFsm.SetState(EConnectedState); |
|
928 |
return KErrCompletion; |
|
929 |
}; |
|
930 |
||
931 |
||
932 |
TInt TModeSense6State::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
933 |
{ |
|
934 |
__MSFNLOG |
|
935 |
aFsm.SetState(EModeSense6SenseState); |
|
936 |
return KErrNone; |
|
937 |
} |
|
938 |
||
939 |
||
940 |
TInt TModeSense6State::ScsiCommandError(CMassStorageFsm& aFsm) |
|
941 |
{ |
|
942 |
__MSFNLOG |
|
943 |
// If device responds with protocol error, ignore the error and assume the |
|
944 |
// device is not write protected |
|
945 |
aFsm.SetState(EConnectedState); |
|
946 |
return KErrCompletion; |
|
947 |
} |
|
948 |
||
949 |
||
950 |
/** |
|
951 |
||
952 |
*/ |
|
953 |
TModeSense6SenseState::TModeSense6SenseState() |
|
954 |
: TMassStorageState(EModeSense6SenseState) |
|
955 |
{ |
|
956 |
__MSFNLOG |
|
957 |
} |
|
958 |
||
959 |
||
960 |
TMassStorage::TEvent TModeSense6SenseState::EntryL(CMassStorageFsm& aFsm) |
|
961 |
{ |
|
962 |
__MSFNLOG |
|
963 |
return aFsm.SenseL(); |
|
964 |
}; |
|
965 |
||
966 |
||
967 |
TInt TModeSense6SenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
968 |
{ |
|
969 |
__MSFNLOG |
|
970 |
TInt ret = KErrCompletion; |
|
971 |
const TSenseInfo& senseInfo = aFsm.MsSenseInfo(); |
|
972 |
||
973 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
974 |
if (senseInfo.iSenseCode == TSenseInfo::EIllegalRequest) |
|
975 |
{ |
|
976 |
aFsm.SetState(TMassStorageState::EConnectedState); |
|
977 |
} |
|
978 |
else |
|
979 |
{ |
|
980 |
ret = TMassStorageState::SenseError(aFsm); |
|
981 |
} |
|
982 |
return ret; |
|
983 |
}; |
|
984 |
||
985 |
||
986 |
TInt TModeSense6SenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
987 |
{ |
|
988 |
__MSFNLOG |
|
989 |
aFsm.SetState(EInquirySenseState); |
|
990 |
return KErrCompletion; |
|
991 |
} |
|
992 |
||
993 |
||
994 |
||
995 |
/** |
|
996 |
||
997 |
*/ |
|
998 |
TConnectedState::TConnectedState() |
|
999 |
: TMassStorageState(EConnectedState) |
|
1000 |
{ |
|
1001 |
__MSFNLOG |
|
1002 |
} |
|
1003 |
||
1004 |
||
1005 |
TMassStorage::TEvent TConnectedState::EntryL(CMassStorageFsm& /* aFsm */) |
|
1006 |
{ |
|
1007 |
__MSFNLOG |
|
1008 |
return TMassStorage::EEvCommandPassed; |
|
1009 |
}; |
|
1010 |
||
1011 |
||
1012 |
TInt TConnectedState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
1013 |
{ |
|
1014 |
__MSFNLOG |
|
1015 |
TInt ret = KErrNone; |
|
1016 |
||
1017 |
if (aFsm.IsRemovableMedia()) |
|
1018 |
{ |
|
1019 |
if(aFsm.IsStatusCheck()) |
|
1020 |
{ |
|
1021 |
aFsm.SetState(TMassStorageState::EStatusCheckState); |
|
1022 |
} |
|
1023 |
else |
|
1024 |
{ |
|
1025 |
aFsm.SetState(TMassStorageState::EAllowRemovalState); |
|
1026 |
} |
|
1027 |
} |
|
1028 |
else if (aFsm.StartStopUnitRequired()) |
|
1029 |
{ |
|
1030 |
aFsm.SetState(TMassStorageState::EStopUnitState); |
|
1031 |
} |
|
1032 |
else |
|
1033 |
{ |
|
1034 |
aFsm.SetState(TMassStorageState::ENotReadyState); |
|
1035 |
ret = KErrCompletion; |
|
1036 |
} |
|
1037 |
return ret; |
|
1038 |
}; |
|
1039 |
||
1040 |
||
1041 |
TInt TConnectedState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
1042 |
{ |
|
1043 |
__MSFNLOG |
|
1044 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
1045 |
return KErrCompletion; |
|
1046 |
} |
|
1047 |
||
1048 |
||
1049 |
/** |
|
1050 |
||
1051 |
*/ |
|
1052 |
TStatusCheckState::TStatusCheckState() |
|
1053 |
: TMassStorageState(EStatusCheckState) |
|
1054 |
{ |
|
1055 |
__MSFNLOG |
|
1056 |
} |
|
1057 |
||
1058 |
||
1059 |
TMassStorage::TEvent TStatusCheckState::EntryL(CMassStorageFsm& aFsm) |
|
1060 |
{ |
|
1061 |
__MSFNLOG |
|
1062 |
return aFsm.TestUnitReadyL(); |
|
1063 |
}; |
|
1064 |
||
1065 |
||
1066 |
TInt TStatusCheckState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
1067 |
{ |
|
1068 |
__MSFNLOG |
|
1069 |
aFsm.SetState(EConnectedState); |
|
1070 |
return KErrCompletion; |
|
1071 |
}; |
|
1072 |
||
1073 |
||
1074 |
TInt TStatusCheckState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
1075 |
{ |
|
1076 |
__MSFNLOG |
|
1077 |
aFsm.SetState(ESenseState); |
|
1078 |
return KErrNone; |
|
1079 |
} |
|
1080 |
||
1081 |
||
1082 |
/** |
|
1083 |
||
1084 |
*/ |
|
1085 |
TAllowMediumRemovalState::TAllowMediumRemovalState() |
|
1086 |
: TMassStorageState(EAllowRemovalState) |
|
1087 |
{ |
|
1088 |
__MSFNLOG |
|
1089 |
} |
|
1090 |
||
1091 |
||
1092 |
TMassStorage::TEvent TAllowMediumRemovalState::EntryL(CMassStorageFsm& aFsm) |
|
1093 |
{ |
|
1094 |
__MSFNLOG |
|
1095 |
return aFsm.PreventAllowMediumRemovalL(EFalse); |
|
1096 |
} |
|
1097 |
||
1098 |
||
1099 |
TInt TAllowMediumRemovalState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
1100 |
{ |
|
1101 |
__MSFNLOG |
|
1102 |
TInt ret = KErrNone; |
|
1103 |
if (aFsm.StartStopUnitRequired()) |
|
1104 |
{ |
|
1105 |
aFsm.SetState(TMassStorageState::EStopUnitState); |
|
1106 |
} |
|
1107 |
else |
|
1108 |
{ |
|
1109 |
aFsm.SetState(ENotReadyState); |
|
1110 |
ret = KErrCompletion; |
|
1111 |
} |
|
1112 |
return ret; |
|
1113 |
}; |
|
1114 |
||
1115 |
||
1116 |
TInt TAllowMediumRemovalState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
1117 |
{ |
|
1118 |
__MSFNLOG |
|
1119 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
1120 |
return KErrCompletion; |
|
1121 |
} |
|
1122 |
||
1123 |
||
1124 |
/** |
|
1125 |
||
1126 |
*/ |
|
1127 |
TStopUnitState::TStopUnitState() |
|
1128 |
: TMassStorageState(EStopUnitState) |
|
1129 |
{ |
|
1130 |
__MSFNLOG |
|
1131 |
} |
|
1132 |
||
1133 |
||
1134 |
TMassStorage::TEvent TStopUnitState::EntryL(CMassStorageFsm& aFsm) |
|
1135 |
{ |
|
1136 |
__MSFNLOG |
|
1137 |
return aFsm.StartStopUnitL(EFalse); |
|
1138 |
} |
|
1139 |
||
1140 |
||
1141 |
TInt TStopUnitState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
1142 |
{ |
|
1143 |
__MSFNLOG |
|
1144 |
aFsm.SetState(ENotReadyState); |
|
1145 |
return KErrCompletion; |
|
1146 |
}; |
|
1147 |
||
1148 |
||
1149 |
TInt TStopUnitState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
1150 |
{ |
|
1151 |
__MSFNLOG |
|
1152 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
1153 |
return KErrCompletion; |
|
1154 |
} |
|
1155 |
||
1156 |
||
1157 |
/** |
|
1158 |
||
1159 |
*/ |
|
1160 |
TSenseState::TSenseState() |
|
1161 |
: TMassStorageState(EConnectedState) |
|
1162 |
{ |
|
1163 |
__MSFNLOG |
|
1164 |
} |
|
1165 |
||
1166 |
||
1167 |
TMassStorage::TEvent TSenseState::EntryL(CMassStorageFsm& aFsm) |
|
1168 |
{ |
|
1169 |
__MSFNLOG |
|
1170 |
return aFsm.SenseL(); |
|
1171 |
}; |
|
1172 |
||
1173 |
||
1174 |
TInt TSenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
1175 |
{ |
|
1176 |
__MSFNLOG |
|
1177 |
aFsm.SetState(ENotReadyState); |
|
1178 |
return KErrCompletion; |
|
1179 |
}; |
|
1180 |
||
1181 |
||
1182 |
TInt TSenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
1183 |
{ |
|
1184 |
__MSFNLOG |
|
1185 |
// This event should not happen |
|
1186 |
aFsm.SetState(EInquiryState); |
|
1187 |
return KErrCompletion; |
|
1188 |
} |
|
1189 |