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1 | /* $Id: VMMDev.cpp $ */ |
2 | /** @file | |
3 | * VBoxGuestLibR0 - VMMDev device related functions. | |
4 | */ | |
5 | ||
6 | /* | |
7 | * Copyright (C) 2006-2016 Oracle Corporation | |
8 | * | |
9 | * This file is part of VirtualBox Open Source Edition (OSE), as | |
10 | * available from http://www.virtualbox.org. This file is free software; | |
11 | * you can redistribute it and/or modify it under the terms of the GNU | |
12 | * General Public License (GPL) as published by the Free Software | |
13 | * Foundation, in version 2 as it comes in the "COPYING" file of the | |
14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the | |
15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. | |
16 | * | |
17 | * The contents of this file may alternatively be used under the terms | |
18 | * of the Common Development and Distribution License Version 1.0 | |
19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the | |
20 | * VirtualBox OSE distribution, in which case the provisions of the | |
21 | * CDDL are applicable instead of those of the GPL. | |
22 | * | |
23 | * You may elect to license modified versions of this file under the | |
24 | * terms and conditions of either the GPL or the CDDL or both. | |
25 | */ | |
26 | ||
27 | #include "VBGLInternal.h" | |
28 | ||
29 | ||
30 | DECLVBGL(int) VbglQueryVMMDevMemory(VMMDevMemory **ppVMMDevMemory) | |
31 | { | |
32 | int rc = vbglR0Enter(); | |
33 | if (RT_FAILURE(rc)) | |
34 | return rc; | |
35 | ||
36 | /* If the memory was not found, return an error. */ | |
37 | if (!g_vbgldata.pVMMDevMemory) | |
38 | return VERR_NOT_SUPPORTED; | |
39 | ||
40 | *ppVMMDevMemory = g_vbgldata.pVMMDevMemory; | |
41 | return rc; | |
42 | } | |
43 |