VirtualBox

source: vbox/trunk/include/VBox/gvm.h@ 17970

Last change on this file since 17970 was 8155, checked in by vboxsync, 17 years ago

The Big Sun Rebranding Header Change

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.4 KB
Line 
1/* $Id: gvm.h 8155 2008-04-18 15:16:47Z vboxsync $ */
2/** @file
3 * GVM - The Global VM Data.
4 */
5
6/*
7 * Copyright (C) 2007 Sun Microsystems, Inc.
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
27 * Clara, CA 95054 USA or visit http://www.sun.com if you need
28 * additional information or have any questions.
29 */
30
31
32#ifndef ___VBox_gvm_h
33#define ___VBox_gvm_h
34
35#include <VBox/types.h>
36#include <iprt/thread.h>
37
38
39/** @defgroup grp_gvm GVM - The Global VM Data
40 * @{
41 */
42
43/**
44 * The Global VM Data.
45 *
46 * This is a ring-0 only structure where we put items we don't need to
47 * share with ring-3 or GC, like for instance various RTR0MEMOBJ handles.
48 *
49 * Unlike VM, there are no special alignment restrictions here. The
50 * paddings are checked by compile time assertions.
51 */
52typedef struct GVM
53{
54 /** Magic / eye-catcher (GVM_MAGIC). */
55 uint32_t u32Magic;
56 /** The global VM handle for this VM. */
57 uint32_t hSelf;
58 /** Handle to the EMT thread. */
59 RTNATIVETHREAD hEMT;
60 /** The ring-0 mapping of the VM structure. */
61 PVM pVM;
62
63 /** The GVMM per vm data. */
64 struct
65 {
66#ifdef ___GVMMR0Internal_h
67 struct GVMMPERVM s;
68#endif
69 uint8_t padding[256];
70 } gvmm;
71
72 /** The GMM per vm data. */
73 struct
74 {
75#ifdef ___GMMR0Internal_h
76 struct GMMPERVM s;
77#endif
78 uint8_t padding[256];
79 } gmm;
80
81} GVM;
82
83/** The GVM::u32Magic value (Wayne Shorter). */
84#define GVM_MAGIC 0x19330825
85
86/** @} */
87
88#endif
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