| 1 | /* $Id: VMMDev.cpp 62521 2016-07-22 19:16:33Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBoxGuestLibR0 - VMMDev device related functions.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2016 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 | #include "VBGLInternal.h"
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| 28 |
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| 29 |
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| 30 | DECLVBGL(int) VbglQueryVMMDevMemory(VMMDevMemory **ppVMMDevMemory)
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| 31 | {
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| 32 | int rc = vbglR0Enter();
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| 33 | if (RT_FAILURE(rc))
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| 34 | return rc;
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| 35 |
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| 36 | /* If the memory was not found, return an error. */
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| 37 | if (!g_vbgldata.pVMMDevMemory)
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| 38 | return VERR_NOT_SUPPORTED;
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| 39 |
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| 40 | *ppVMMDevMemory = g_vbgldata.pVMMDevMemory;
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| 41 | return rc;
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| 42 | }
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| 43 |
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