VBoxGuestR3LibMisc.cpp revision 7d4b82377d9493b8b08b5c596200444199909edc
/* $Id$ */
/** @file
* VBoxGuestR3Lib - Ring-3 Support Library for VirtualBox guest additions, Misc.
*/
/*
* Copyright (C) 2007-2010 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <VBox/log.h>
#include "VBGLR3Internal.h"
/**
* Change the IRQ filter mask.
*
* @returns IPRT status code.
* @param fOr The OR mask.
* @param fNo The NOT mask.
*/
VBGLR3DECL(int) VbglR3CtlFilterMask(uint32_t fOr, uint32_t fNot)
{
VBoxGuestFilterMaskInfo Info;
Info.u32OrMask = fOr;
Info.u32NotMask = fNot;
return vbglR3DoIOCtl(VBOXGUEST_IOCTL_CTL_FILTER_MASK, &Info, sizeof(Info));
}
/**
* Report a change in the capabilities that we support to the host.
*
* @returns IPRT status code.
* @param fOr Capabilities which have been added.
* @param fNot Capabilities which have been removed.
*
* @todo Move to a different file.
*/
VBGLR3DECL(int) VbglR3SetGuestCaps(uint32_t fOr, uint32_t fNot)
{
VBoxGuestSetCapabilitiesInfo Info;
Info.u32OrMask = fOr;
Info.u32NotMask = fNot;
return vbglR3DoIOCtl(VBOXGUEST_IOCTL_SET_GUEST_CAPABILITIES, &Info,
sizeof(Info));
}
/**
* Query the session ID of this VM.
*
* The session id is an unique identifier that gets changed for each VM start,
* reset or restore. Useful for detection a VM restore.
*
* @returns IPRT status code.
* @param pu64IdSession Session id (out). This is NOT changed on
* failure, so the caller can depend on this to
* deal with backward compatibility (see
* VBoxServiceVMInfoWorker() for an example.)
*/
VBGLR3DECL(int) VbglR3GetSessionId(uint64_t *pu64IdSession)
{
VMMDevReqSessionId Req;
vmmdevInitRequest(&Req.header, VMMDevReq_GetSessionId);
Req.idSession = 0;
int rc = vbglR3GRPerform(&Req.header);
if (RT_SUCCESS(rc))
*pu64IdSession = Req.idSession;
return rc;
}