| author | hgs |
| Tue, 26 Oct 2010 12:49:20 +0100 | |
| changeset 297 | b2826f67641f |
| parent 90 | 947f0dc9f7a8 |
| permissions | -rw-r--r-- |
|
90
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
|
1 |
// Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
| 0 | 2 |
// 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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||
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#include <e32base.h> |
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#include <d32usbdi_hubdriver.h> |
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#include <d32usbdi.h> |
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#include <d32otgdi.h> |
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#include <d32usbdescriptors.h> |
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#include <d32usbtransfers.h> |
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#ifdef MASSSTORAGE_PUBLISHER |
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#include <e32property.h> |
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#endif |
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#include "botmsctypes.h" |
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#include "msctypes.h" |
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#include "mscutils.h" |
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#include "mtransport.h" |
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#include "mprotocol.h" |
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#include "cusbifacehandler.h" |
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#include "cbulkonlytransport.h" |
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#include "OstTraceDefinitions.h" |
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#ifdef OST_TRACE_COMPILER_IN_USE |
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#include "cbulkonlytransportTraces.h" |
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#endif |
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||
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CBulkOnlyTransport::CBulkOnlyTransport() |
|
| 297 | 45 |
: iBulkOutCbwTd(KCbwPacketSize), |
46 |
iBulkDataTd(KResponsePacketSize), |
|
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iBulkInCswTd(KCswPacketSize) |
|
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{
|
|
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} |
|
| 0 | 50 |
|
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CBulkOnlyTransport::~CBulkOnlyTransport() |
|
| 297 | 52 |
{
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delete iUsbInterfaceHandler; |
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UnInitialiseTransport(); |
|
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iInterface.Close(); |
|
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} |
|
| 0 | 57 |
|
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/** |
|
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Create CBulkOnlyTransport object. |
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60 |
||
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@param aInterfaceId The interface ID of the device |
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||
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@return CBulkOnlyTransport* Pointer to the created object |
|
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*/ |
|
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CBulkOnlyTransport* CBulkOnlyTransport::NewL(TUint aInterfaceId) |
|
| 297 | 66 |
{
|
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CBulkOnlyTransport* transport = new (ELeave) CBulkOnlyTransport(); |
|
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CleanupStack::PushL(transport); |
|
| 0 | 69 |
transport->ConstructL(aInterfaceId); |
70 |
CleanupStack::Pop(transport); |
|
| 297 | 71 |
return transport; |
72 |
} |
|
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|
74 |
||
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void CBulkOnlyTransport::ConstructL(TUint aInterfaceId) |
|
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{
|
|
| 297 | 77 |
User::LeaveIfError(iInterface.Open(aInterfaceId)); |
78 |
iUsbInterfaceHandler = CUsbInterfaceHandler::NewL(iInterface, iBulkPipeIn); |
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InitialiseTransport(); |
|
| 0 | 80 |
} |
81 |
||
82 |
||
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void CBulkOnlyTransport::Resume() |
|
| 297 | 84 |
{
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OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_10, "BOT RESUME"); |
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iInterface.CancelPermitSuspend(); |
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} |
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Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
89 |
void CBulkOnlyTransport::Suspend(TRequestStatus& aStatus) |
| 297 | 90 |
{
|
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OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_11, "BOT SUSPEND"); |
|
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// iInterface.PermitRemoteWakeup(ETrue); |
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iInterface.PermitSuspendAndWaitForResume(aStatus); |
|
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} |
|
| 0 | 95 |
|
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TInt CBulkOnlyTransport::InitialiseTransport() |
|
| 297 | 97 |
{
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TInt BulkOutEpAddr; |
|
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TInt BulkInEpAddr; |
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const TUint8 KEpDirectionIn = 0x80; |
|
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const TUint8 KEpDirectionOut = 0x00; |
|
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const TUint8 KTransferTypeBulk = 0x02; |
|
| 0 | 103 |
|
| 297 | 104 |
GetEndpointAddress(iInterface,0,KTransferTypeBulk,KEpDirectionOut,BulkOutEpAddr); |
105 |
GetEndpointAddress(iInterface,0,KTransferTypeBulk,KEpDirectionIn,BulkInEpAddr); |
|
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iInterface.OpenPipeForEndpoint(iBulkPipeOut, BulkOutEpAddr, EFalse); |
|
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iInterface.OpenPipeForEndpoint(iBulkPipeIn, BulkInEpAddr, EFalse); |
|
| 0 | 108 |
|
| 297 | 109 |
if (iInterface.RegisterTransferDescriptor(iBulkOutCbwTd) != KErrNone || |
110 |
iInterface.RegisterTransferDescriptor(iBulkDataTd) != KErrNone || |
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iInterface.RegisterTransferDescriptor(iBulkInCswTd) != KErrNone) |
|
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{
|
| 297 | 113 |
return KErrGeneral; |
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} |
115 |
||
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if (iInterface.InitialiseTransferDescriptors() != KErrNone) |
| 0 | 117 |
{
|
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return KErrGeneral; |
| 0 | 119 |
} |
| 297 | 120 |
return KErrNone; |
121 |
} |
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||
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void CBulkOnlyTransport::UnInitialiseTransport() |
|
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{
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iBulkPipeOut.Close(); |
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iBulkPipeIn.Close(); |
|
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} |
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||
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|
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TInt CBulkOnlyTransport::GetEndpointAddress(RUsbInterface& aUsbInterface, |
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TInt aInterfaceSetting, |
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TUint8 aTransferType, |
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TUint8 aDirection, |
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TInt& aEndpointAddress) |
|
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{
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TUsbInterfaceDescriptor alternateInterfaceDescriptor; |
|
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|
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if (aUsbInterface.GetAlternateInterfaceDescriptor(aInterfaceSetting, alternateInterfaceDescriptor)) |
140 |
{
|
|
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OstTrace1(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_20, |
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"GetEndpointAddress : <Error> Unable to get alternate interface (%x) descriptor", aInterfaceSetting); |
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return KErrGeneral; |
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} |
|
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|
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TUsbGenericDescriptor* descriptor = alternateInterfaceDescriptor.iFirstChild; |
| 0 | 147 |
|
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while (descriptor) |
149 |
{
|
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TUsbEndpointDescriptor* endpoint = TUsbEndpointDescriptor::Cast(descriptor); |
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if (endpoint) |
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{
|
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if ((endpoint->Attributes() & aTransferType) == aTransferType) |
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{
|
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// Found the endpoint address |
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if ( (endpoint->EndpointAddress() & 0x80) == aDirection) |
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{
|
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aEndpointAddress = endpoint->EndpointAddress(); |
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OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_21, |
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"GetEndpointAddress : Endpoint address found"); |
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return KErrNone; |
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} |
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} |
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} |
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descriptor = descriptor->iNextPeer; |
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} |
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|
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// Unable to find the endpoint address |
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OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_22, |
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"GetEndpointAddress : Unable to find endpoint address matching the specified attributes"); |
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return KErrNotFound; |
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} |
|
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void CBulkOnlyTransport::GetMaxLun(TLun* aMaxLun, const RMessage2& aMessage) |
|
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{
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iUsbInterfaceHandler->GetMaxLun(aMaxLun, aMessage); |
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} |
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TInt CBulkOnlyTransport::Reset() |
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{
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RUsbInterface::TUsbTransferRequestDetails reqDetails; |
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_LIT8(KNullDesC8,""); |
|
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|
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reqDetails.iRequestType = 0x21; |
185 |
reqDetails.iRequest = 0xFF; |
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reqDetails.iValue = 0x0000; |
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reqDetails.iIndex = 0x0000; |
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reqDetails.iFlags = 0x04; // Short transfer OK |
|
| 0 | 189 |
|
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iInterface.Ep0Transfer(reqDetails, KNullDesC8, (TDes8 &) KNullDesC8, iStatus); |
191 |
User::WaitForRequest(iStatus); |
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OstTrace1(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_30, |
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"BOT RESET[%d]", iStatus.Int()); |
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| 0 | 194 |
|
| 297 | 195 |
if (iStatus.Int() != KErrNone) |
| 0 | 196 |
{
|
| 297 | 197 |
return KErrGeneral; |
| 0 | 198 |
} |
199 |
||
| 297 | 200 |
return KErrNone; |
201 |
} |
|
| 0 | 202 |
|
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void CBulkOnlyTransport::DoResetRecovery() |
|
| 297 | 204 |
{
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OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_31, |
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"BOT RESET RECOVERY"); |
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#ifdef MASSSTORAGE_PUBLISHER |
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TMsPublisher publisher(TMsPublisher::KBotResetProperty); |
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#endif |
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Reset(); |
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iBulkPipeIn.ClearRemoteStall(); |
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iBulkPipeOut.ClearRemoteStall(); |
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} |
|
| 0 | 214 |
|
215 |
||
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void CBulkOnlyTransport::SendCbwL(const MClientCommandServiceReq* aReq, |
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TBotCbw::TCbwDirection aDirection, |
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TUint32 aTransferLength) |
|
| 297 | 219 |
{
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OstTrace1(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_40, |
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"Cbw Tag=0x%x", iCbwTag); |
|
| 0 | 222 |
|
| 297 | 223 |
iCbw.SetTag(iCbwTag++); |
| 0 | 224 |
iCbw.SetDataTransferLength(aTransferLength); |
225 |
iCbw.SetDataTransferDirection(aDirection); |
|
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iCbw.SetLun(iLun); |
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227 |
||
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TPtr8 buf = iBulkOutCbwTd.WritableBuffer(); |
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iCbw.EncodeL(buf, aReq); |
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230 |
||
231 |
iBulkOutCbwTd.SaveData(buf.Length()); |
|
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iBulkPipeOut.Transfer(iBulkOutCbwTd, iStatus); |
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User::WaitForRequest(iStatus); |
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234 |
||
| 297 | 235 |
TInt r = iStatus.Int(); |
| 0 | 236 |
if (r != KErrNone) |
237 |
{
|
|
| 297 | 238 |
if (r == KErrUsbStalled) |
| 0 | 239 |
{
|
| 297 | 240 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_41, |
241 |
"Cbw: BulkOut stalled"); |
|
| 0 | 242 |
DoResetRecovery(); |
243 |
} |
|
| 297 | 244 |
OstTrace1(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_42, |
245 |
"Usb transfer error %d", r); |
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User::Leave(KErrGeneral); |
|
| 0 | 247 |
} |
| 297 | 248 |
} |
| 0 | 249 |
|
250 |
||
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void CBulkOnlyTransport::ReceiveCswL() |
|
| 297 | 252 |
{
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iBulkInCswTd.SaveData(KCswPacketSize); |
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iBulkPipeIn.Transfer(iBulkInCswTd, iStatus); |
|
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User::WaitForRequest(iStatus); |
|
| 0 | 256 |
|
| 297 | 257 |
TInt r = iStatus.Int(); |
258 |
if (r != KErrNone) |
|
| 0 | 259 |
{
|
| 297 | 260 |
if (r == KErrUsbStalled) |
261 |
{
|
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OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_50, |
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"Csw: Clearing BulkIn stall"); |
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iBulkPipeIn.ClearRemoteStall(); |
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iBulkInCswTd.SaveData(KCswPacketSize); |
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iBulkPipeIn.Transfer(iBulkInCswTd, iStatus); |
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User::WaitForRequest(iStatus); |
|
| 0 | 268 |
#ifdef MASSSTORAGE_PUBLISHER |
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TMsPublisher publisher(TMsPublisher::KStallProperty); |
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#endif |
|
| 297 | 271 |
r = iStatus.Int(); |
272 |
if (r == KErrUsbStalled) |
|
| 0 | 273 |
{
|
| 297 | 274 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_51, |
275 |
"Csw: BulkIn stalled"); |
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DoResetRecovery(); |
|
| 0 | 277 |
} |
| 297 | 278 |
} |
279 |
// Handle other usb error and retry failures |
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280 |
if (r != KErrNone) |
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281 |
{
|
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OstTrace1(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_52, |
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"Usb transfer error %d", r); |
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284 |
User::Leave(KErrGeneral); |
|
285 |
} |
|
| 0 | 286 |
} |
287 |
||
| 297 | 288 |
TPtrC8 data = iBulkInCswTd.Buffer(); |
289 |
r = iCsw.Decode(data); |
|
| 0 | 290 |
if (r != KErrNone) |
291 |
{
|
|
| 297 | 292 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_53, |
293 |
"Csw: Invalid"); |
|
| 0 | 294 |
DoResetRecovery(); |
295 |
User::Leave(KErrGeneral); |
|
296 |
} |
|
| 297 | 297 |
} |
| 0 | 298 |
|
299 |
||
300 |
TInt CBulkOnlyTransport::SendControlCmdL(const MClientCommandServiceReq* aCommand) |
|
| 297 | 301 |
{
|
| 0 | 302 |
SendCbwL(aCommand, TBotCbw::EDataOut, 0); |
303 |
ReceiveCswL(); |
|
304 |
return ProcessZeroTransferL(); |
|
| 297 | 305 |
} |
| 0 | 306 |
|
307 |
||
308 |
TInt CBulkOnlyTransport::SendControlCmdL(const MClientCommandServiceReq* aCommand, |
|
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MClientCommandServiceResp* aResp) |
|
| 297 | 310 |
{
|
311 |
SendCbwL(aCommand, TBotCbw::EDataIn, aResp->DataLength()); |
|
| 0 | 312 |
|
| 297 | 313 |
if (aResp->DataLength() > KResponsePacketSize) |
| 0 | 314 |
{
|
| 297 | 315 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_60, |
316 |
"Control command response length not supported"); |
|
317 |
User::Leave(KErrGeneral); |
|
| 0 | 318 |
} |
319 |
||
| 297 | 320 |
iBulkDataTd.SaveData(KResponsePacketSize); |
321 |
iBulkPipeIn.Transfer(iBulkDataTd, iStatus); |
|
322 |
User::WaitForRequest(iStatus); |
|
323 |
TInt r = iStatus.Int(); |
|
324 |
if (r != KErrNone) |
|
| 0 | 325 |
{
|
| 297 | 326 |
if (r != KErrUsbStalled) |
327 |
{
|
|
328 |
OstTrace1(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_61, |
|
329 |
"Usb transfer error %d",r); |
|
330 |
User::Leave(KErrGeneral); |
|
331 |
} |
|
332 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_62, |
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333 |
"SendControlCmdL ClearRemoteStall"); |
|
334 |
iBulkPipeIn.ClearRemoteStall(); |
|
| 0 | 335 |
ReceiveCswL(); |
| 297 | 336 |
return KErrCommandStalled; |
| 0 | 337 |
} |
| 297 | 338 |
TPtrC8 data = iBulkDataTd.Buffer(); |
| 0 | 339 |
|
| 297 | 340 |
ReceiveCswL(); |
| 0 | 341 |
|
342 |
TUint32 dataReceived = 0; |
|
| 297 | 343 |
r = ProcessInTransferL(dataReceived); |
| 0 | 344 |
if (!r) |
345 |
{
|
|
|
90
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
|
346 |
TRAP(r, aResp->DecodeL(data)); |
| 0 | 347 |
if (dataReceived == 0) |
348 |
{
|
|
|
90
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
|
349 |
|
|
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
|
350 |
// Some devices are found not to support DataResidue and return zero |
|
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
|
351 |
// bytes received. This state is NOT treated as an error condition |
|
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
|
352 |
// and we assume that all bytes are valid. For SCSI command set |
|
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
|
353 |
// applicable to Mass Storage a device must always return data so |
|
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
|
354 |
// the zero byte condition is not possible with compliant devices. |
|
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
|
355 |
// |
|
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
|
356 |
// List of known non-compliant devices: |
|
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
|
357 |
// 1 Transcend JetFlashV30 VendorID=JetFlash ProductID=TS#GJFV30 |
|
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
|
358 |
// (# is device size in G) |
|
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
|
359 |
|
| 297 | 360 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_63, |
361 |
"Warning: No data received"); |
|
| 0 | 362 |
} |
363 |
} |
|
| 297 | 364 |
return r; |
365 |
} |
|
| 0 | 366 |
|
367 |
||
368 |
TInt CBulkOnlyTransport::SendDataRxCmdL(const MClientCommandServiceReq* aCommand, |
|
369 |
TDes8& aCopyBuf, |
|
370 |
TInt& aLen) |
|
| 297 | 371 |
{
|
372 |
TInt r = KErrNone; |
|
373 |
SendCbwL(aCommand, TBotCbw::EDataIn, aLen); |
|
| 0 | 374 |
|
375 |
// store initial length as data is appended to the buffer |
|
376 |
TInt startPos = aCopyBuf.Length(); |
|
377 |
||
| 297 | 378 |
TInt len = aLen; |
| 0 | 379 |
|
| 297 | 380 |
while (len) |
| 0 | 381 |
{
|
| 297 | 382 |
if(len > KResponsePacketSize) |
383 |
iBulkDataTd.SaveData(KResponsePacketSize); |
|
384 |
else |
|
385 |
iBulkDataTd.SaveData(len); |
|
386 |
iBulkPipeIn.Transfer(iBulkDataTd, iStatus); |
|
387 |
User::WaitForRequest(iStatus); |
|
| 0 | 388 |
|
| 297 | 389 |
r = iStatus.Int(); |
390 |
if (r != KErrNone) |
|
391 |
{
|
|
392 |
if (r == KErrUsbStalled) |
|
393 |
{
|
|
394 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_70, |
|
395 |
"SendDataRxCmdL ClearRemoteStall"); |
|
396 |
iBulkPipeIn.ClearRemoteStall(); |
|
| 0 | 397 |
#ifdef MASSSTORAGE_PUBLISHER |
398 |
TMsPublisher publisher(TMsPublisher::KStallProperty); |
|
399 |
#endif |
|
| 297 | 400 |
break; |
401 |
} |
|
402 |
DoResetRecovery(); |
|
403 |
OstTrace1(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_71, |
|
404 |
"Usb transfer error %d", r); |
|
405 |
User::Leave(KErrGeneral); |
|
406 |
} |
|
| 0 | 407 |
|
| 297 | 408 |
TPtrC8 data = iBulkDataTd.Buffer(); |
409 |
aCopyBuf.Append(data.Ptr(), data.Length()); |
|
410 |
if(len > KResponsePacketSize) |
|
411 |
len -= KResponsePacketSize; |
|
412 |
else |
|
413 |
len = 0; |
|
| 0 | 414 |
} |
415 |
||
| 297 | 416 |
ReceiveCswL(); |
417 |
TUint32 lenReceived = 0; |
|
| 0 | 418 |
|
| 297 | 419 |
r = ProcessInTransferL(lenReceived); |
| 0 | 420 |
aLen = lenReceived; |
421 |
aCopyBuf.SetLength(startPos + lenReceived); |
|
422 |
||
| 297 | 423 |
return r; |
424 |
} |
|
| 0 | 425 |
|
426 |
TInt CBulkOnlyTransport::SendDataTxCmdL(const MClientCommandServiceReq* aCommand, |
|
427 |
TDesC8& aData, |
|
428 |
TUint aPos, |
|
429 |
TInt& aLen) |
|
| 297 | 430 |
{
|
431 |
TInt r = KErrNone; |
|
432 |
||
433 |
SendCbwL(aCommand, TBotCbw::EDataOut, aLen); |
|
| 0 | 434 |
|
| 297 | 435 |
TInt len = aLen; |
436 |
TInt length = 0; |
|
437 |
iBulkDataTd.SetZlpStatus(RUsbTransferDescriptor::ESuppressZlp); |
|
438 |
while (len) |
|
| 0 | 439 |
{
|
| 297 | 440 |
TPtr8 senddata = iBulkDataTd.WritableBuffer(); |
441 |
senddata.Append(aData.Ptr() + length + aPos, len > KResponsePacketSize? KResponsePacketSize : len); |
|
| 0 | 442 |
|
| 297 | 443 |
iBulkDataTd.SaveData(senddata.Length()); |
444 |
iBulkPipeOut.Transfer(iBulkDataTd, iStatus); |
|
445 |
User::WaitForRequest(iStatus); |
|
| 0 | 446 |
|
| 297 | 447 |
if (iStatus.Int() != KErrNone) |
448 |
{
|
|
449 |
if (iStatus.Int() == KErrUsbStalled) |
|
450 |
{
|
|
451 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_80, |
|
452 |
"SendDataTxCmdL ClearRemoteStall"); |
|
453 |
iBulkPipeOut.ClearRemoteStall(); |
|
| 0 | 454 |
#ifdef MASSSTORAGE_PUBLISHER |
455 |
TMsPublisher publisher(TMsPublisher::KStallProperty); |
|
456 |
#endif |
|
| 297 | 457 |
break; |
458 |
} |
|
459 |
DoResetRecovery(); |
|
460 |
OstTrace1(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_81, |
|
461 |
"Usb transfer error %d", r); |
|
462 |
User::Leave(KErrGeneral); |
|
463 |
} |
|
| 0 | 464 |
|
| 297 | 465 |
if(len > KResponsePacketSize) |
466 |
{
|
|
467 |
len -= KResponsePacketSize; |
|
468 |
length += KResponsePacketSize; |
|
469 |
} |
|
470 |
else |
|
471 |
{
|
|
472 |
length += len; |
|
473 |
len = 0; |
|
474 |
} |
|
| 0 | 475 |
} |
476 |
||
| 297 | 477 |
ReceiveCswL(); |
| 0 | 478 |
|
| 297 | 479 |
TUint32 lenSent = 0; |
480 |
r = ProcessOutTransferL(lenSent); |
|
481 |
aLen = lenSent; |
|
| 0 | 482 |
|
| 297 | 483 |
return r; |
484 |
} |
|
| 0 | 485 |
|
486 |
||
487 |
TInt CBulkOnlyTransport::ProcessZeroTransferL() |
|
488 |
{
|
|
489 |
// process 13 cases |
|
490 |
||
| 297 | 491 |
__ASSERT_DEBUG(iCbw.iDirection == TBotCbw::EDataOut, User::Invariant()); |
492 |
__ASSERT_DEBUG(iCbw.iDataTransferLength == 0, User::Invariant()); |
|
| 0 | 493 |
|
494 |
// Hn - Host expects no data transfers |
|
495 |
if (!iCsw.IsValidCsw(iCbw.iTag)) |
|
496 |
{
|
|
| 297 | 497 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_90, |
498 |
"BOT CSW Invalid"); |
|
| 0 | 499 |
DoResetRecovery(); |
| 297 | 500 |
User::Leave(KErrGeneral); |
| 0 | 501 |
} |
502 |
if (!iCsw.IsMeaningfulCsw(iCbw.iDataTransferLength)) |
|
503 |
{
|
|
| 297 | 504 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_91, |
505 |
"BOT CSW not meaningful"); |
|
| 0 | 506 |
DoResetRecovery(); |
| 297 | 507 |
User::Leave(KErrGeneral); |
| 0 | 508 |
} |
509 |
||
510 |
if (iCsw.iStatus == TBotCsw::EPhaseError) |
|
511 |
{
|
|
512 |
// Case (2) or (3) |
|
| 297 | 513 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_92, |
514 |
"BOT Phase Error"); |
|
| 0 | 515 |
// Reset Recovery |
516 |
DoResetRecovery(); |
|
| 297 | 517 |
User::Leave(KErrGeneral); |
| 0 | 518 |
} |
519 |
||
520 |
if (iCsw.iDataResidue != 0) |
|
521 |
{
|
|
522 |
// should not happen |
|
| 297 | 523 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_93, |
524 |
"BOT Residue is invalid!"); |
|
| 0 | 525 |
// Reset Recovery |
526 |
DoResetRecovery(); |
|
| 297 | 527 |
User::Leave(KErrGeneral); |
| 0 | 528 |
} |
529 |
||
530 |
// all ok if here |
|
531 |
return (iCsw.iStatus == TBotCsw::ECommandPassed) ? KErrNone : KErrCommandFailed; |
|
532 |
} |
|
533 |
||
534 |
||
535 |
TInt CBulkOnlyTransport::ProcessInTransferL(TUint32& aDataReceived) |
|
536 |
{
|
|
537 |
aDataReceived = 0; |
|
538 |
// process 13 cases |
|
539 |
||
| 297 | 540 |
__ASSERT_DEBUG(iCbw.iDirection == TBotCbw::EDataIn, User::Invariant()); |
| 0 | 541 |
|
542 |
// Hi - Host expects to receive data from the device |
|
543 |
if (!iCsw.IsValidCsw(iCbw.iTag)) |
|
544 |
{
|
|
| 297 | 545 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_100, |
546 |
"BOT CSW Invalid"); |
|
| 0 | 547 |
DoResetRecovery(); |
548 |
User::Leave(KErrGeneral); |
|
549 |
} |
|
550 |
if (!iCsw.IsMeaningfulCsw(iCbw.iDataTransferLength)) |
|
551 |
{
|
|
| 297 | 552 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_101, |
553 |
"BOT CSW not meaningful"); |
|
| 0 | 554 |
DoResetRecovery(); |
555 |
User::Leave(KErrGeneral); |
|
556 |
} |
|
557 |
||
558 |
||
559 |
if (iCsw.iStatus == TBotCsw::EPhaseError) |
|
560 |
{
|
|
| 297 | 561 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_102, |
562 |
"BOT Phase Error"); |
|
| 0 | 563 |
// Case (7) or (8) |
564 |
// Reset Recovery |
|
565 |
DoResetRecovery(); |
|
| 297 | 566 |
User::Leave(KErrGeneral); |
| 0 | 567 |
} |
568 |
||
569 |
// all ok if here |
|
570 |
// Case (4), (5) or (6) |
|
571 |
aDataReceived = iCbw.iDataTransferLength - iCsw.iDataResidue; |
|
572 |
return (iCsw.iStatus == TBotCsw::ECommandPassed) ? KErrNone : KErrCommandFailed; |
|
573 |
} |
|
574 |
||
575 |
||
576 |
TInt CBulkOnlyTransport::ProcessOutTransferL(TUint32& aDataReceived) |
|
577 |
{
|
|
578 |
aDataReceived = 0; |
|
579 |
// process 13 cases |
|
580 |
||
| 297 | 581 |
__ASSERT_DEBUG(iCbw.iDirection == TBotCbw::EDataOut, User::Invariant()); |
| 0 | 582 |
|
583 |
// Ho - Host expects to send data to the device |
|
584 |
if (!iCsw.IsValidCsw(iCbw.iTag)) |
|
585 |
{
|
|
| 297 | 586 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_110, |
587 |
"BOT CSW Invalid"); |
|
| 0 | 588 |
DoResetRecovery(); |
589 |
User::Leave(KErrGeneral); |
|
590 |
} |
|
591 |
if (!iCsw.IsMeaningfulCsw(iCbw.iDataTransferLength)) |
|
592 |
{
|
|
| 297 | 593 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_111, |
594 |
"BOT CSW not meaningful"); |
|
| 0 | 595 |
DoResetRecovery(); |
596 |
User::Leave(KErrGeneral); |
|
597 |
} |
|
598 |
||
599 |
if (iCsw.iStatus == TBotCsw::EPhaseError) |
|
600 |
{
|
|
| 297 | 601 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_112, |
602 |
"BOT Phase Error"); |
|
| 0 | 603 |
// Case (10) or (13) |
604 |
// Reset Recovery |
|
605 |
DoResetRecovery(); |
|
| 297 | 606 |
User::Leave(KErrGeneral); |
| 0 | 607 |
} |
608 |
||
609 |
// all ok if here |
|
610 |
// Case (9), (11) or (12) |
|
611 |
aDataReceived = iCbw.iDataTransferLength - iCsw.iDataResidue; |
|
612 |
return (iCsw.iStatus == TBotCsw::ECommandPassed) ? KErrNone : KErrCommandFailed; |
|
613 |
} |
|
614 |
||
615 |
||
616 |
void CBulkOnlyTransport::SetLun(TLun aLun) |
|
617 |
{
|
|
618 |
iLun = aLun; |
|
| 297 | 619 |
OstTrace1(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_120, |
620 |
"CBulkOnlyTransport::SetLun(%d)", aLun); |
|
| 0 | 621 |
} |
622 |
||
623 |
||
624 |
/** |
|
625 |
Encode CBW into the supplied buffer. The command is also encoded using the |
|
626 |
supplied encoding method of MClientCommandServiceReq. |
|
627 |
||
628 |
@param aBuffer The buffer to copy the encoded stream in to |
|
629 |
@param aCommand The command to be encoded into the Command Block field |
|
630 |
*/ |
|
631 |
void TBotCbw::EncodeL(TPtr8 &aBuffer, const MClientCommandServiceReq* aCommand) const |
|
632 |
{
|
|
| 297 | 633 |
aBuffer.SetLength(KCbwLength); |
| 0 | 634 |
|
| 297 | 635 |
TPtr8 commandBlock = aBuffer.MidTPtr(TBotCbw::KCbwCbOffset); |
| 0 | 636 |
|
| 297 | 637 |
aBuffer.FillZ(); |
| 0 | 638 |
|
639 |
TInt cbLength = aCommand->EncodeRequestL(commandBlock); |
|
640 |
||
| 297 | 641 |
TUint8* ptr = (TUint8 *) aBuffer.Ptr(); |
| 0 | 642 |
LittleEndian::Put32(&ptr[KCbwSignatureOffset], 0x43425355); |
643 |
LittleEndian::Put32(&ptr[KCbwTagOffset], iTag); |
|
644 |
LittleEndian::Put32(&ptr[KCbwDataTransferLengthOffset], iDataTransferLength); |
|
645 |
aBuffer[KCbwFlagOffset] = (iDirection == EDataOut) ? 0x00 : 0x80; |
|
646 |
aBuffer[KCbwLunOffset] = iLun; |
|
647 |
aBuffer[KCbwCbLengthOffset] = cbLength; |
|
| 297 | 648 |
OstTrace1(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_121, |
649 |
"BOT TBotCbw::Encode Lun=%d", iLun); |
|
| 0 | 650 |
} |
651 |
||
652 |
||
653 |
/** |
|
654 |
Decode stream into TBotCsw. |
|
655 |
||
656 |
@param aPtr A buffer containing CSW stream |
|
657 |
*/ |
|
658 |
TInt TBotCsw::Decode(const TDesC8& aPtr) |
|
659 |
{
|
|
660 |
if (aPtr.Length() != KCswLength) |
|
661 |
{
|
|
| 297 | 662 |
OstTrace1(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_130, |
663 |
"Invalid CSW length %d", aPtr.Length()); |
|
| 0 | 664 |
return KErrGeneral; |
665 |
} |
|
666 |
||
667 |
iSignature = LittleEndian::Get32(&aPtr[KCswSignatureOffset]); |
|
668 |
iTag = LittleEndian::Get32(&aPtr[KCswTagOffset]); |
|
669 |
iDataResidue = LittleEndian::Get32(&aPtr[KCswDataResidueOffset]); |
|
670 |
||
671 |
TInt status = aPtr[KCswStatusOffset]; |
|
672 |
iStatus = static_cast<TCswStatus>(status); |
|
| 297 | 673 |
OstTrace1(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_131, |
674 |
"BOT CSW Status = %d", iStatus); |
|
| 0 | 675 |
return KErrNone; |
676 |
} |
|
677 |
||
678 |
||
679 |
/** |
|
680 |
Checks that CSW contents are valid, USB Mass Storage Class Bulk-Only |
|
681 |
Transport 6.3. |
|
682 |
||
683 |
@param aTag The tag value received from the device |
|
684 |
||
685 |
@return TBool Return ETrue if valid else EFalse |
|
686 |
*/ |
|
687 |
TBool TBotCsw::IsValidCsw(TUint32 aTag) const |
|
688 |
{
|
|
689 |
if (iSignature != 0x53425355) |
|
690 |
{
|
|
691 |
return EFalse; |
|
692 |
} |
|
693 |
if (iTag != aTag) |
|
694 |
{
|
|
695 |
return EFalse; |
|
696 |
} |
|
697 |
return ETrue; |
|
698 |
} |
|
699 |
||
700 |
||
701 |
/** |
|
702 |
Checks that CSW contents are meaningful, USB Mass Storage Class Bulk-Only |
|
703 |
Transport 6.3. |
|
704 |
||
705 |
@param aTransferLength Number of bytes transferred |
|
706 |
||
707 |
@return TBool Return ETrue if meaningful else EFalse |
|
708 |
*/ |
|
709 |
TBool TBotCsw::IsMeaningfulCsw(TUint32 aTransferLength) const |
|
710 |
{
|
|
711 |
if (iStatus != EPhaseError) |
|
712 |
{
|
|
713 |
if (iDataResidue > aTransferLength) |
|
714 |
{
|
|
715 |
return EFalse; |
|
716 |
} |
|
717 |
} |
|
718 |
return ETrue; |
|
719 |
} |
|
720 |
||
721 |
#ifdef MASSSTORAGE_PUBLISHER |
|
722 |
TMsPublisher::TMsPublisher(TPropertyKeys aKey) |
|
723 |
{
|
|
| 297 | 724 |
RProperty prop; |
| 0 | 725 |
|
726 |
const TUid KUidHostMassStorageCategory = {KMyUid};
|
|
727 |
||
| 297 | 728 |
TInt ret = prop.Attach(KUidHostMassStorageCategory, aKey); |
729 |
OstTraceExt2(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_140, |
|
730 |
"Property Key[%d] attach ret=%d", aKey, ret); |
|
731 |
if (ret == KErrNone) |
|
| 0 | 732 |
{
|
733 |
TInt flag; |
|
734 |
ret = prop.Get(KUidHostMassStorageCategory, aKey, flag); |
|
735 |
if (ret == KErrNone) |
|
736 |
{
|
|
737 |
flag++; |
|
738 |
ret = prop.Set(KUidHostMassStorageCategory, aKey, flag); |
|
739 |
} |
|
| 297 | 740 |
OstTraceExt3(TRACE_SHOSTMASSSTORAGE_BOT, CBULKONLYTRANSPORT_141, |
741 |
"Property Set[%d] ret=%d Counter=%d", |
|
742 |
aKey, ret, flag); |
|
743 |
prop.Close(); |
|
| 0 | 744 |
} |
745 |
} |
|
746 |
||
747 |
#endif |
|
748 |