blob: 3152691b4ac53dbfa4c4eaef7c5003d0199bcae8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/** @file
* VirtualBox Parameter Definitions. (VMM,+)
*
* param.mac is generated from this file by running 'kmk incs' in the root.
*/
/*
* Copyright (C) 2006-2020 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.
*/
#ifndef VBOX_INCLUDED_param_h
#define VBOX_INCLUDED_param_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/param.h>
#include <iprt/cdefs.h>
/** @defgroup grp_vbox_param VBox Parameter Definition
* @{
*/
/** The maximum number of pages that can be allocated and mapped
* by various MM, PGM and SUP APIs. */
#if ARCH_BITS == 64
# define VBOX_MAX_ALLOC_PAGE_COUNT (_512M / PAGE_SIZE)
#else
# define VBOX_MAX_ALLOC_PAGE_COUNT (_256M / PAGE_SIZE)
#endif
/** @def VBOX_WITH_PAGE_SHARING
* Enables the page sharing code.
* @remarks This must match GMMR0Init; currently we only support page fusion on
* all 64-bit hosts except Mac OS X */
#if ( HC_ARCH_BITS == 64 /* ASM-NOINC */ \
&& (defined(RT_OS_FREEBSD) || defined(RT_OS_LINUX) || defined(RT_OS_SOLARIS) || defined(RT_OS_WINDOWS)) ) /* ASM-NOINC */ \
|| defined(DOXYGEN_RUNNING) /* ASM-NOINC */
# define VBOX_WITH_PAGE_SHARING /* ASM-NOINC */
#endif /* ASM-NOINC */
/** @defgroup grp_vbox_param_mm Memory Monitor Parameters
* @{
*/
/** Initial address of Hypervisor Memory Area.
* MUST BE PAGE TABLE ALIGNED! */
#define MM_HYPER_AREA_ADDRESS UINT32_C(0xa0000000)
/** The max size of the hypervisor memory area. */
#define MM_HYPER_AREA_MAX_SIZE (40U * _1M) /**< @todo Readjust when floating RAMRANGEs have been implemented. Used to be 20 * _1MB */
/** Maximum number of bytes we can dynamically map into the hypervisor region.
* This must be a power of 2 number of pages!
*/
#define MM_HYPER_DYNAMIC_SIZE (16U * PAGE_SIZE)
/** The minimum guest RAM size in bytes. */
#define MM_RAM_MIN UINT32_C(0x00400000)
/** The maximum guest RAM size in bytes. */
#if HC_ARCH_BITS == 64
# define MM_RAM_MAX UINT64_C(0x20000000000)
#else
# define MM_RAM_MAX UINT64_C(0x000E0000000)
#endif
/** The minimum guest RAM size in MBs. */
#define MM_RAM_MIN_IN_MB UINT32_C(4)
/** The maximum guest RAM size in MBs. */
#if HC_ARCH_BITS == 64
# define MM_RAM_MAX_IN_MB UINT32_C(2097152)
#else
# define MM_RAM_MAX_IN_MB UINT32_C(3584)
#endif
/** The default size of the below 4GB RAM hole. */
#define MM_RAM_HOLE_SIZE_DEFAULT (512U * _1M)
/** The maximum 64-bit MMIO BAR size.
* @remarks There isn't really any limit here other than the size of the
* tracking structures we need (around 1/256 of the size). */
#if HC_ARCH_BITS == 64
# define MM_MMIO_64_MAX _1T
#else
# define MM_MMIO_64_MAX (_1G64 * 16)
#endif
/** The maximum 32-bit MMIO BAR size. */
#define MM_MMIO_32_MAX _2G
/** @} */
/** @defgroup grp_vbox_param_pgm Page Manager Parameters
* @{
*/
/** The number of handy pages.
* This should be a power of two. */
#define PGM_HANDY_PAGES 128
/** The threshold at which allocation of more handy pages is flagged. */
#define PGM_HANDY_PAGES_SET_FF 32
/** The threshold at which we will allocate more when in ring-3.
* This is must be smaller than both PGM_HANDY_PAGES_SET_FF and
* PGM_HANDY_PAGES_MIN. */
#define PGM_HANDY_PAGES_R3_ALLOC 8
/** The threshold at which we will allocate more when in ring-0 or raw mode.
* The idea is that we should never go below this threshold while in ring-0 or
* raw mode because of PGM_HANDY_PAGES_RZ_TO_R3. However, should this happen and
* we are actually out of memory, we will have 8 page to get out of whatever
* code we're executing.
*
* This is must be smaller than both PGM_HANDY_PAGES_SET_FF and
* PGM_HANDY_PAGES_MIN. */
#define PGM_HANDY_PAGES_RZ_ALLOC 8
/** The threshold at which we force return to R3 ASAP.
* The idea is that this should be large enough to get out of any code and up to
* the main EM loop when we are out of memory.
* This must be less or equal to PGM_HANDY_PAGES_MIN. */
#define PGM_HANDY_PAGES_RZ_TO_R3 24
/** The minimum number of handy pages (after allocation).
* This must be greater or equal to PGM_HANDY_PAGES_SET_FF.
* Another name would be PGM_HANDY_PAGES_EXTRA_RESERVATION or _PARANOIA. :-) */
#define PGM_HANDY_PAGES_MIN 32
/** @} */
/** @defgroup grp_vbox_param_vmm VMM Parameters
* @{
*/
/** VMM stack size. */
#ifdef RT_OS_DARWIN
# define VMM_STACK_SIZE 16384U
#else
# define VMM_STACK_SIZE 8192U
#endif
/** Min number of Virtual CPUs. */
#define VMM_MIN_CPU_COUNT 1
/** Max number of Virtual CPUs. */
#define VMM_MAX_CPU_COUNT 64
/** @} */
/** @defgroup grp_vbox_pci PCI Identifiers
* @{ */
/** VirtualBox PCI vendor ID. */
#define VBOX_PCI_VENDORID (0x80ee)
/** @name VirtualBox graphics card identifiers
* @{ */
#define VBOX_VENDORID VBOX_PCI_VENDORID /**< @todo wonderful choice of name! Please squeeze a _VGA_ or something in there, please. */
#define VBOX_DEVICEID (0xbeef) /**< @todo ditto. */
#define VBOX_VESA_VENDORID VBOX_PCI_VENDORID
#define VBOX_VESA_DEVICEID (0xbeef)
/** @} */
/** @name VMMDev PCI card identifiers
* @{ */
#define VMMDEV_VENDORID VBOX_PCI_VENDORID
#define VMMDEV_DEVICEID (0xcafe)
/** @} */
/** @} */
/** @defgroup grp_vbox_param_misc Misc
* @{ */
/** The maximum size of a generic segment offload (GSO) frame. This limit is
* imposed by the 16-bit frame size in internal networking header. */
#define VBOX_MAX_GSO_SIZE 0xfff0
/** @} */
/** @} */
#endif /* !VBOX_INCLUDED_param_h */
|
