gvm.h@ 87511

Last change on this file since 87511 was 87511, checked in by vboxsync, 4 years ago
VMM/HMSVM: Moving some SVM stuff to HMR0PERVM. Removed 3 unused HM::svm members related to I/O bitmap. bugref:9217
Property svn:eol-style set to `native` Property svn:keywords set to `Id Revision`
File size: 8.3 KB

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1	/* $Id: gvm.h 87511 2021-02-01 15:48:11Z vboxsync $ */
2	/** @file
3	* GVM - The Global VM Data.
4	*/
5
6	/*
7	* Copyright (C) 2007-2020 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 VBOX_INCLUDED_vmm_gvm_h
28	#define VBOX_INCLUDED_vmm_gvm_h
29	#ifndef RT_WITHOUT_PRAGMA_ONCE
30	# pragma once
31	#endif
32
33	#ifndef USING_VMM_COMMON_DEFS
34	# error "Compile job does not include VMM_COMMON_DEFS from src/VBox/Config.kmk - make sure you really need to include this file!"
35	#endif
36	#include <VBox/types.h>
37	#include <VBox/vmm/vm.h>
38	#include <VBox/param.h>
39	#include <iprt/thread.h>
40	#include <iprt/assertcompile.h>
41
42
43	/** @defgroup grp_gvmcpu GVMCPU - The Global VMCPU Data
44	* @ingroup grp_vmm
45	* @{
46	*/
47
48	#if defined(__cplusplus) && !defined(GVM_C_STYLE_STRUCTURES)
49	typedef struct GVMCPU : public VMCPU
50	#else
51	typedef struct GVMCPU
52	#endif
53	{
54	#if !defined(__cplusplus) \|\| defined(GVM_C_STYLE_STRUCTURES)
55	VMCPU s;
56	#endif
57
58	/** VCPU id (0 - (pVM->cCpus - 1). */
59	VMCPUID idCpu;
60	/** Padding. */
61	uint32_t uPadding;
62
63	/** Handle to the EMT thread. */
64	RTNATIVETHREAD hEMT;
65
66	/** Pointer to the global (ring-0) VM structure this CPU belongs to. */
67	R0PTRTYPE(PGVM) pGVM;
68	/** Pointer to the GVM structure, for CTX_SUFF use in VMMAll code. */
69	PGVM pVMR0;
70	/** The ring-3 address of this structure (only VMCPU part). */
71	PVMCPUR3 pVCpuR3;
72
73	/** Padding so gvmm starts on a 64 byte boundrary.
74	* @note Keeping this working for 32-bit header syntax checking. */
75	uint8_t abPadding[HC_ARCH_BITS == 32 ? 40 : 24];
76
77	/** The GVMM per vcpu data. */
78	union
79	{
80	#ifdef VMM_INCLUDED_SRC_VMMR0_GVMMR0Internal_h
81	struct GVMMPERVCPU s;
82	#endif
83	uint8_t padding[64];
84	} gvmm;
85
86	/** The HM per vcpu data. */
87	union
88	{
89	#if defined(VMM_INCLUDED_SRC_include_HMInternal_h) && defined(IN_RING0)
90	struct HMR0PERVCPU s;
91	#endif
92	uint8_t padding[1024];
93	} hmr0;
94
95	#ifdef VBOX_WITH_NEM_R0
96	/** The NEM per vcpu data. */
97	union
98	{
99	# if defined(VMM_INCLUDED_SRC_include_NEMInternal_h) && defined(IN_RING0)
100	struct NEMR0PERVCPU s;
101	# endif
102	uint8_t padding[64];
103	} nemr0;
104	#endif
105
106	/** Padding the structure size to page boundrary. */
107	#ifdef VBOX_WITH_NEM_R0
108	uint8_t abPadding2[4096 - 64 - 64 - 1024 - 64];
109	#else
110	uint8_t abPadding2[4096 - 64 - 64 - 1024];
111	#endif
112	} GVMCPU;
113	#if RT_GNUC_PREREQ(4, 6) && defined(__cplusplus)
114	# pragma GCC diagnostic push
115	#endif
116	#if RT_GNUC_PREREQ(4, 3) && defined(__cplusplus)
117	# pragma GCC diagnostic ignored "-Winvalid-offsetof"
118	#endif
119	AssertCompileMemberAlignment(GVMCPU, idCpu, 4096);
120	AssertCompileMemberAlignment(GVMCPU, gvmm, 64);
121	#ifdef VBOX_WITH_NEM_R0
122	AssertCompileMemberAlignment(GVMCPU, nemr0, 64);
123	#endif
124	AssertCompileSizeAlignment(GVMCPU, 4096);
125	#if RT_GNUC_PREREQ(4, 6) && defined(__cplusplus)
126	# pragma GCC diagnostic pop
127	#endif
128
129	/** @} */
130
131	/** @defgroup grp_gvm GVM - The Global VM Data
132	* @ingroup grp_vmm
133	* @{
134	*/
135
136	/**
137	* The Global VM Data.
138	*
139	* This is a ring-0 only structure where we put items we don't need to
140	* share with ring-3 or GC, like for instance various RTR0MEMOBJ handles.
141	*
142	* Unlike VM, there are no special alignment restrictions here. The
143	* paddings are checked by compile time assertions.
144	*/
145	#if defined(__cplusplus) && !defined(GVM_C_STYLE_STRUCTURES)
146	typedef struct GVM : public VM
147	#else
148	typedef struct GVM
149	#endif
150	{
151	#if !defined(__cplusplus) \|\| defined(GVM_C_STYLE_STRUCTURES)
152	VM s;
153	#endif
154	/** Magic / eye-catcher (GVM_MAGIC). */
155	uint32_t u32Magic;
156	/** The global VM handle for this VM. */
157	uint32_t hSelf;
158	/** Pointer to this structure (for validation purposes). */
159	PGVM pSelf;
160	/** The ring-3 mapping of the VM structure. */
161	PVMR3 pVMR3;
162	/** The support driver session the VM is associated with. */
163	PSUPDRVSESSION pSession;
164	/** Number of Virtual CPUs, i.e. how many entries there are in aCpus.
165	* Same same as VM::cCpus. */
166	uint32_t cCpus;
167	/** Padding so gvmm starts on a 64 byte boundrary. */
168	uint8_t abPadding[HC_ARCH_BITS == 32 ? 12 + 28 : 28];
169
170	/** The GVMM per vm data. */
171	union
172	{
173	#ifdef VMM_INCLUDED_SRC_VMMR0_GVMMR0Internal_h
174	struct GVMMPERVM s;
175	#endif
176	uint8_t padding[256];
177	} gvmm;
178
179	/** The GMM per vm data. */
180	union
181	{
182	#ifdef VMM_INCLUDED_SRC_VMMR0_GMMR0Internal_h
183	struct GMMPERVM s;
184	#endif
185	uint8_t padding[1024];
186	} gmm;
187
188	/** The HM per vm data. */
189	union
190	{
191	#if defined(VMM_INCLUDED_SRC_include_HMInternal_h) && defined(IN_RING0)
192	struct HMR0PERVM s;
193	#endif
194	uint8_t padding[256];
195	} hmr0;
196
197	#ifdef VBOX_WITH_NEM_R0
198	/** The NEM per vcpu data. */
199	union
200	{
201	# if defined(VMM_INCLUDED_SRC_include_NEMInternal_h) && defined(IN_RING0)
202	struct NEMR0PERVM s;
203	# endif
204	uint8_t padding[256];
205	} nemr0;
206	#endif
207
208	/** The RAWPCIVM per vm data. */
209	union
210	{
211	#ifdef VBOX_INCLUDED_rawpci_h
212	struct RAWPCIPERVM s;
213	#endif
214	uint8_t padding[64];
215	} rawpci;
216
217	union
218	{
219	#if defined(VMM_INCLUDED_SRC_include_PDMInternal_h) && defined(IN_RING0)
220	struct PDMR0PERVM s;
221	#endif
222	uint8_t padding[2176];
223	} pdmr0;
224
225	union
226	{
227	#if defined(VMM_INCLUDED_SRC_include_PGMInternal_h) && defined(IN_RING0)
228	struct PGMR0PERVM s;
229	#endif
230	uint8_t padding[640];
231	} pgmr0;
232
233	union
234	{
235	#if defined(VMM_INCLUDED_SRC_include_IOMInternal_h) && defined(IN_RING0)
236	struct IOMR0PERVM s;
237	#endif
238	uint8_t padding[512];
239	} iomr0;
240
241	union
242	{
243	#if defined(VMM_INCLUDED_SRC_include_APICInternal_h) && defined(IN_RING0)
244	struct APICR0PERVM s;
245	#endif
246	uint8_t padding[64];
247	} apicr0;
248
249	union
250	{
251	#if defined(VMM_INCLUDED_SRC_include_DBGFInternal_h) && defined(IN_RING0)
252	struct DBGFR0PERVM s;
253	#endif
254	uint8_t padding[1024];
255	} dbgfr0;
256
257	/** Padding so aCpus starts on a page boundrary. */
258	#ifdef VBOX_WITH_NEM_R0
259	uint8_t abPadding2[40962 - 64 - 256 - 256 - 1024 - 256 - 64 - 2176 - 640 - 512 - 64 - 1024 - sizeof(PGVMCPU) VMM_MAX_CPU_COUNT];
260	#else
261	uint8_t abPadding2[40962 - 64 - 256 - 256 - 1024 - 64 - 2176 - 640 - 512 - 64 - 1024 - sizeof(PGVMCPU) VMM_MAX_CPU_COUNT];
262	#endif
263
264	/** For simplifying CPU enumeration in VMMAll code. */
265	PGVMCPU apCpusR0[VMM_MAX_CPU_COUNT];
266
267	/** GVMCPU array for the configured number of virtual CPUs. */
268	GVMCPU aCpus[1];
269	} GVM;
270	#if 0
271	#if RT_GNUC_PREREQ(4, 6) && defined(__cplusplus)
272	# pragma GCC diagnostic push
273	#endif
274	#if RT_GNUC_PREREQ(4, 3) && defined(__cplusplus)
275	# pragma GCC diagnostic ignored "-Winvalid-offsetof"
276	#endif
277	AssertCompileMemberAlignment(GVM, u32Magic, 64);
278	AssertCompileMemberAlignment(GVM, gvmm, 64);
279	AssertCompileMemberAlignment(GVM, gmm, 64);
280	#ifdef VBOX_WITH_NEM_R0
281	AssertCompileMemberAlignment(GVM, nemr0, 64);
282	#endif
283	AssertCompileMemberAlignment(GVM, rawpci, 64);
284	AssertCompileMemberAlignment(GVM, pdmr0, 64);
285	AssertCompileMemberAlignment(GVM, aCpus, 4096);
286	AssertCompileSizeAlignment(GVM, 4096);
287	#if RT_GNUC_PREREQ(4, 6) && defined(__cplusplus)
288	# pragma GCC diagnostic pop
289	#endif
290	#endif
291
292	/** The GVM::u32Magic value (Wayne Shorter). */
293	#define GVM_MAGIC 0x19330825
294
295	/** @} */
296
297	#endif /* !VBOX_INCLUDED_vmm_gvm_h */
298

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source: vbox/trunk/include/VBox/vmm/gvm.h@ 87511

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