--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/host/fdf/production/client/public/usbhoststack.h	Tue Feb 02 02:02:59 2010 +0200
@@ -0,0 +1,92 @@
+/*
+* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+/**
+ @file
+ @internalComponent
+ @prototype
+*/
+
+#ifndef USBHOSTSTACK_H
+#define USBHOSTSTACK_H
+
+#include <e32base.h>
+
+#include <usb/usbshared.h>
+#include <usbhosterrors.h>
+
+/**
+RUsbHostStack is the interface for USBMAN to use the FDF.
+*/
+NONSHARABLE_CLASS(RUsbHostStack) : public RSessionBase
+	{
+public:
+	IMPORT_C RUsbHostStack();
+	// No destructor needed.
+
+	IMPORT_C TInt Connect();
+	IMPORT_C TVersion Version() const;
+
+	/** Enable driver loading.
+	@return Error. */
+	IMPORT_C TInt EnableDriverLoading();
+
+	/** Disable driver loading. */
+	IMPORT_C void DisableDriverLoading(); // the client can't do anything with failure here.
+
+	/** Notification of device attach, driver loading, detach.
+	@param aStat Completion status.
+	@param aDeviceEventInformation On successful completion, information on
+	the device event.
+	*/
+	IMPORT_C void NotifyDeviceEvent(TRequestStatus& aStat, TDeviceEventInformation& aDeviceEventInformation);
+	IMPORT_C void NotifyDeviceEventCancel();
+
+	// Notification of non-device specific events and errors.
+	IMPORT_C void NotifyDevmonEvent(TRequestStatus& aStat, TInt& aEvent);
+	IMPORT_C void NotifyDevmonEventCancel();
+
+	// Support for getting string descriptors from devices.
+	// Note that the maximum length of a string descriptor is 253 bytes. This
+	// is 253/2 =~ 126 Unicode characters. TName is 0x80 (= 128) Unicode
+	// characters. So TName is just big enough without being excessive, or
+	// worth defining our own type or length.
+	IMPORT_C TInt GetSupportedLanguages(TUint aDeviceId, RArray<TUint>& aLangIds);
+	IMPORT_C TInt GetManufacturerStringDescriptor(TUint aDeviceId, TUint aLangId, TName& aString);
+	IMPORT_C TInt GetProductStringDescriptor(TUint aDeviceId, TUint aLangId, TName& aString);
+	
+	IMPORT_C TInt GetOtgDescriptor(TUint aDeviceId, TOtgDescriptor& aDescriptor);
+
+	// Support for server-side out-of-memory testing. In release, these just
+	// return KErrNone.
+
+	IMPORT_C TInt __DbgFailNext(TInt aCount);
+	IMPORT_C TInt __DbgAlloc();
+
+private: // utility
+	TInt DoConnect();
+	TInt CopyLangIdsToArray(RArray<TUint>& aLangIds, const TDesC8& aBuffer);
+
+private: // owned
+	// Device event notification data
+	TPckg<TDeviceEventInformation> iDeviceEventPckg;
+
+	// Devmon event notification data
+	TPckg<TInt> iDevmonEventPckg;
+	};
+
+#endif // USBHOSTSTACK_H