VBoxGuest2.cpp revision e1ed9baf425f4c757302ec417a815aab945fdbf0
/* $Id$ */
/** @file
* VBoxGuest - Guest Additions Driver, bits shared with the windows code.
*/
/*
* Copyright (C) 2011-2015 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 <iprt/string.h>
#include <VBox/err.h>
#include <VBox/log.h>
#include <VBox/VBoxGuestLib.h>
#include <VBox/version.h>
#if defined(RT_OS_LINUX) || defined(RT_OS_FREEBSD)
# include "revision-generated.h"
#endif
#include "VBoxGuest2.h"
/** @todo Remove and merge this file with VBoxGuest.cpp when the Windows driver
* also will be built from the common sources. */
/**
* Report the guest information to the host.
*
* @returns IPRT status code.
* @param enmOSType The OS type to report.
*/
int VBoxGuestReportGuestInfo(VBOXOSTYPE enmOSType)
{
/*
* Allocate and fill in the two guest info reports.
*/
VMMDevReportGuestInfo2 *pReqInfo2 = NULL;
VMMDevReportGuestInfo *pReqInfo1 = NULL;
int rc = VbglGRAlloc((VMMDevRequestHeader **)&pReqInfo2, sizeof (VMMDevReportGuestInfo2), VMMDevReq_ReportGuestInfo2);
Log(("VBoxGuestReportGuestInfo: VbglGRAlloc VMMDevReportGuestInfo2 completed with rc=%Rrc\n", rc));
if (RT_SUCCESS(rc))
{
pReqInfo2->guestInfo.additionsMajor = VBOX_VERSION_MAJOR;
pReqInfo2->guestInfo.additionsMinor = VBOX_VERSION_MINOR;
pReqInfo2->guestInfo.additionsBuild = VBOX_VERSION_BUILD;
pReqInfo2->guestInfo.additionsRevision = VBOX_SVN_REV;
pReqInfo2->guestInfo.additionsFeatures = 0; /* (no features defined yet) */
RTStrCopy(pReqInfo2->guestInfo.szName, sizeof(pReqInfo2->guestInfo.szName), VBOX_VERSION_STRING);
rc = VbglGRAlloc((VMMDevRequestHeader **)&pReqInfo1, sizeof (VMMDevReportGuestInfo), VMMDevReq_ReportGuestInfo);
Log(("VBoxGuestReportGuestInfo: VbglGRAlloc VMMDevReportGuestInfo completed with rc=%Rrc\n", rc));
if (RT_SUCCESS(rc))
{
pReqInfo1->guestInfo.interfaceVersion = VMMDEV_VERSION;
pReqInfo1->guestInfo.osType = enmOSType;
/*
* There are two protocols here:
* 1. Info2 + Info1. Supported by >=3.2.51.
* 2. Info1 and optionally Info2. The old protocol.
*
* We try protocol 1 first. It will fail with VERR_NOT_SUPPORTED
* if not supported by the VMMDev (message ordering requirement).
*/
rc = VbglGRPerform(&pReqInfo2->header);
Log(("VBoxGuestReportGuestInfo: VbglGRPerform VMMDevReportGuestInfo2 completed with rc=%Rrc\n", rc));
if (RT_SUCCESS(rc))
{
rc = VbglGRPerform(&pReqInfo1->header);
Log(("VBoxGuestReportGuestInfo: VbglGRPerform VMMDevReportGuestInfo completed with rc=%Rrc\n", rc));
}
else if ( rc == VERR_NOT_SUPPORTED
|| rc == VERR_NOT_IMPLEMENTED)
{
rc = VbglGRPerform(&pReqInfo1->header);
Log(("VBoxGuestReportGuestInfo: VbglGRPerform VMMDevReportGuestInfo completed with rc=%Rrc\n", rc));
if (RT_SUCCESS(rc))
{
rc = VbglGRPerform(&pReqInfo2->header);
Log(("VBoxGuestReportGuestInfo: VbglGRPerform VMMDevReportGuestInfo2 completed with rc=%Rrc\n", rc));
if (rc == VERR_NOT_IMPLEMENTED)
rc = VINF_SUCCESS;
}
}
VbglGRFree(&pReqInfo1->header);
}
VbglGRFree(&pReqInfo2->header);
}
return rc;
}
/**
* Report the guest driver status to the host.
*
* @returns IPRT status code.
* @param fActive Flag whether the driver is now active or not.
*/
int VBoxGuestReportDriverStatus(bool fActive)
{
/*
* Report guest status of the VBox driver to the host.
*/
VMMDevReportGuestStatus *pReq2 = NULL;
int rc = VbglGRAlloc((VMMDevRequestHeader **)&pReq2, sizeof(*pReq2), VMMDevReq_ReportGuestStatus);
Log(("VBoxGuestReportDriverStatus: VbglGRAlloc VMMDevReportGuestStatus completed with rc=%Rrc\n", rc));
if (RT_SUCCESS(rc))
{
pReq2->guestStatus.facility = VBoxGuestFacilityType_VBoxGuestDriver;
pReq2->guestStatus.status = fActive ?
VBoxGuestFacilityStatus_Active
: VBoxGuestFacilityStatus_Inactive;
pReq2->guestStatus.flags = 0;
rc = VbglGRPerform(&pReq2->header);
Log(("VBoxGuestReportDriverStatus: VbglGRPerform VMMDevReportGuestStatus completed with fActive=%d, rc=%Rrc\n",
fActive ? 1 : 0, rc));
if (rc == VERR_NOT_IMPLEMENTED) /* Compatibility with older hosts. */
rc = VINF_SUCCESS;
VbglGRFree(&pReq2->header);
}
return rc;
}