VirtualBox

source: vbox/trunk/src/VBox/Additions/common/VBoxGuestLib/VBGLInternal.h@ 40415

Last change on this file since 40415 was 38407, checked in by vboxsync, 13 years ago

Windows guest additions: disable PageList HGCM parameters for 64 bit Windows guests.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 3.5 KB
Line 
1/* $Revision: 38407 $ */
2/** @file
3 * VBoxGuestLibR0 - Internal header.
4 */
5
6/*
7 * Copyright (C) 2006-2007 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#ifndef ___VBoxGuestLib_VBGLInternal_h
28#define ___VBoxGuestLib_VBGLInternal_h
29
30#include <VBox/VMMDev.h>
31#include <VBox/VBoxGuest.h>
32#include <VBox/VBoxGuestLib.h>
33
34#include <VBox/log.h>
35
36
37#ifdef RT_OS_WINDOWS /** @todo dprintf() -> Log() */
38# if (defined(DEBUG) && !defined(NO_LOGGING)) || defined(LOG_ENABLED)
39# define dprintf(a) RTLogBackdoorPrintf a
40# else
41# define dprintf(a) do {} while (0)
42# endif
43#else
44# define dprintf(a) Log(a)
45#endif
46
47#include "SysHlp.h"
48
49#pragma pack(4) /** @todo r=bird: What do we need packing for here? None of these structures are shared between drivers AFAIK. */
50
51struct _VBGLPHYSHEAPBLOCK;
52typedef struct _VBGLPHYSHEAPBLOCK VBGLPHYSHEAPBLOCK;
53struct _VBGLPHYSHEAPCHUNK;
54typedef struct _VBGLPHYSHEAPCHUNK VBGLPHYSHEAPCHUNK;
55
56#ifndef VBGL_VBOXGUEST
57struct VBGLHGCMHANDLEDATA
58{
59 uint32_t fAllocated;
60 VBGLDRIVER driver;
61};
62#endif
63
64enum VbglLibStatus
65{
66 VbglStatusNotInitialized = 0,
67 VbglStatusInitializing,
68 VbglStatusReady
69};
70
71/**
72 * Global VBGL ring-0 data.
73 * Lives in VbglR0Init.cpp.
74 */
75typedef struct _VBGLDATA
76{
77 enum VbglLibStatus status;
78
79 VBGLIOPORT portVMMDev;
80
81 VMMDevMemory *pVMMDevMemory;
82
83 /**
84 * Physical memory heap data.
85 * @{
86 */
87
88 VBGLPHYSHEAPBLOCK *pFreeBlocksHead;
89 VBGLPHYSHEAPBLOCK *pAllocBlocksHead;
90 VBGLPHYSHEAPCHUNK *pChunkHead;
91
92 RTSEMFASTMUTEX mutexHeap;
93 /** @} */
94
95 /**
96 * The host version data.
97 */
98 VMMDevReqHostVersion hostVersion;
99
100
101#ifndef VBGL_VBOXGUEST
102 /**
103 * Fast heap for HGCM handles data.
104 * @{
105 */
106
107 RTSEMFASTMUTEX mutexHGCMHandle;
108
109 struct VBGLHGCMHANDLEDATA aHGCMHandleData[64];
110
111 /** @} */
112#endif
113} VBGLDATA;
114
115
116#pragma pack()
117
118#ifndef VBGL_DECL_DATA
119extern VBGLDATA g_vbgldata;
120#endif
121
122/**
123 * Internal macro for checking whether we can pass phyical page lists to the
124 * host.
125 *
126 * ASSUMES that vbglR0Enter has been called already.
127 */
128#if defined(RT_OS_WINDOWS) && defined(RT_ARCH_AMD64)
129/* Disable the PageList feature for 64 bit Windows, because shared folders do not work,
130 * if this is enabled. This should be reenabled again when the problem is fixed.
131 */
132#define VBGLR0_CAN_USE_PHYS_PAGE_LIST() \
133 ( 0 )
134#else
135#define VBGLR0_CAN_USE_PHYS_PAGE_LIST() \
136 ( !!(g_vbgldata.hostVersion.features & VMMDEV_HVF_HGCM_PHYS_PAGE_LIST) )
137#endif
138
139int vbglR0Enter (void);
140
141#ifdef VBOX_WITH_HGCM
142# ifndef VBGL_VBOXGUEST
143int vbglR0HGCMInit (void);
144int vbglR0HGCMTerminate (void);
145# endif
146#endif /* VBOX_WITH_HGCM */
147
148#endif /* !___VBoxGuestLib_VBGLInternal_h */
149
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