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source: vbox/trunk/src/VBox/VMM/include/VMXInternal.h@ 105686

Last change on this file since 105686 was 103053, checked in by vboxsync, 10 months ago

VMM: Nested VMX: bugref:10318 Fixed nested-guest (Hyper-V enabled Windows 10) BSODs triggered by split-lock #AC exceptions.

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File size: 12.8 KB
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1/* $Id: VMXInternal.h 103053 2024-01-25 09:16:55Z vboxsync $ */
2/** @file
3 * VMX - Internal header file for the VMX code template.
4 */
5
6/*
7 * Copyright (C) 2006-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28#ifndef VMM_INCLUDED_SRC_include_VMXInternal_h
29#define VMM_INCLUDED_SRC_include_VMXInternal_h
30#ifndef RT_WITHOUT_PRAGMA_ONCE
31# pragma once
32#endif
33
34#include "HMVMXCommon.h"
35
36#if HC_ARCH_BITS == 32
37# error "32-bit hosts are no longer supported. Go back to 6.0 or earlier!"
38#endif
39
40/** @def HM_PROFILE_EXIT_DISPATCH
41 * Enables profiling of the VM exit handler dispatching. */
42#if 0 || defined(DOXYGEN_RUNNING)
43# define HM_PROFILE_EXIT_DISPATCH
44#endif
45
46RT_C_DECLS_BEGIN
47
48
49/** @defgroup grp_hm_int Internal
50 * @ingroup grp_hm
51 * @internal
52 * @{
53 */
54
55/** @addtogroup grp_hm_int_vmx VMX Internal
56 * @{ */
57/**
58 * VMX per-VCPU transient state.
59 *
60 * A state structure for holding miscellaneous information across
61 * VMX non-root operation and restored after the transition.
62 *
63 * Note: The members are ordered and aligned such that the most
64 * frequently used ones (in the guest execution loop) fall within
65 * the first cache line.
66 */
67typedef struct VMXTRANSIENT
68{
69 /** Mask of currently read VMCS fields; HMVMX_READ_XXX. */
70 uint32_t fVmcsFieldsRead;
71 /** The guest's TPR value used for TPR shadowing. */
72 uint8_t u8GuestTpr;
73 uint8_t abAlignment0[3];
74
75 /** Whether the VM-exit was caused by a page-fault during delivery of an
76 * external interrupt or NMI. */
77 bool fVectoringPF;
78 /** Whether the VM-exit was caused by a page-fault during delivery of a
79 * contributory exception or a page-fault. */
80 bool fVectoringDoublePF;
81 /** Whether the VM-entry failed or not. */
82 bool fVMEntryFailed;
83 /** Whether the TSC_AUX MSR needs to be removed from the auto-load/store MSR
84 * area after VM-exit. */
85 bool fRemoveTscAuxMsr;
86 /** Whether TSC-offsetting and VMX-preemption timer was updated before VM-entry. */
87 bool fUpdatedTscOffsettingAndPreemptTimer;
88 /** Whether we are currently executing a nested-guest. */
89 bool fIsNestedGuest;
90 /** Whether the guest debug state was active at the time of VM-exit. */
91 bool fWasGuestDebugStateActive;
92 /** Whether the hyper debug state was active at the time of VM-exit. */
93 bool fWasHyperDebugStateActive;
94
95 /** The basic VM-exit reason. */
96 uint32_t uExitReason;
97 /** The VM-exit interruption error code. */
98 uint32_t uExitIntErrorCode;
99
100 /** The host's rflags/eflags. */
101 RTCCUINTREG fEFlags;
102
103 /** The VM-exit exit code qualification. */
104 uint64_t uExitQual;
105
106 /** The VMCS info. object. */
107 PVMXVMCSINFO pVmcsInfo;
108
109 /** The VM-exit interruption-information field. */
110 uint32_t uExitIntInfo;
111 /** The VM-exit instruction-length field. */
112 uint32_t cbExitInstr;
113
114 /** The VM-exit instruction-information field. */
115 VMXEXITINSTRINFO ExitInstrInfo;
116 /** IDT-vectoring information field. */
117 uint32_t uIdtVectoringInfo;
118
119 /** IDT-vectoring error code. */
120 uint32_t uIdtVectoringErrorCode;
121 uint32_t u32Alignment0;
122
123 /** The Guest-linear address. */
124 uint64_t uGuestLinearAddr;
125
126 /** The Guest-physical address. */
127 uint64_t uGuestPhysicalAddr;
128
129 /** The Guest pending-debug exceptions. */
130 uint64_t uGuestPendingDbgXcpts;
131
132 /** The VM-entry interruption-information field. */
133 uint32_t uEntryIntInfo;
134 /** The VM-entry exception error code field. */
135 uint32_t uEntryXcptErrorCode;
136
137 /** The VM-entry instruction length field. */
138 uint32_t cbEntryInstr;
139} VMXTRANSIENT;
140AssertCompileMemberSize(VMXTRANSIENT, ExitInstrInfo, sizeof(uint32_t));
141AssertCompileMemberAlignment(VMXTRANSIENT, fVmcsFieldsRead, 8);
142AssertCompileMemberAlignment(VMXTRANSIENT, fVectoringPF, 8);
143AssertCompileMemberAlignment(VMXTRANSIENT, uExitReason, 8);
144AssertCompileMemberAlignment(VMXTRANSIENT, fEFlags, 8);
145AssertCompileMemberAlignment(VMXTRANSIENT, uExitQual, 8);
146AssertCompileMemberAlignment(VMXTRANSIENT, pVmcsInfo, 8);
147AssertCompileMemberAlignment(VMXTRANSIENT, uExitIntInfo, 8);
148AssertCompileMemberAlignment(VMXTRANSIENT, ExitInstrInfo, 8);
149AssertCompileMemberAlignment(VMXTRANSIENT, uIdtVectoringErrorCode, 8);
150AssertCompileMemberAlignment(VMXTRANSIENT, uGuestLinearAddr, 8);
151AssertCompileMemberAlignment(VMXTRANSIENT, uGuestPhysicalAddr, 8);
152AssertCompileMemberAlignment(VMXTRANSIENT, uEntryIntInfo, 8);
153AssertCompileMemberAlignment(VMXTRANSIENT, cbEntryInstr, 8);
154/** Pointer to VMX transient state. */
155typedef VMXTRANSIENT *PVMXTRANSIENT;
156/** Pointer to a const VMX transient state. */
157typedef const VMXTRANSIENT *PCVMXTRANSIENT;
158
159
160/**
161 * VMX statistics structure.
162 */
163typedef struct VMXSTATISTICS
164{
165 /* These two comes because they are accessed from assembly and we don't
166 want to detail all the stats in the assembly version of this structure. */
167 STAMCOUNTER StatVmxWriteHostRip;
168 STAMCOUNTER StatVmxWriteHostRsp;
169 STAMCOUNTER StatVmxVmLaunch;
170 STAMCOUNTER StatVmxVmResume;
171
172 STAMPROFILEADV StatEntry;
173 STAMPROFILEADV StatPreExit;
174 STAMPROFILEADV StatExitHandling;
175 STAMPROFILEADV StatExitIO;
176 STAMPROFILEADV StatExitMovCRx;
177 STAMPROFILEADV StatExitXcptNmi;
178 STAMPROFILEADV StatExitVmentry;
179 STAMPROFILEADV StatImportGuestState;
180 STAMPROFILEADV StatExportGuestState;
181 STAMPROFILEADV StatLoadGuestFpuState;
182 STAMPROFILEADV StatInGC;
183 STAMPROFILEADV StatPoke;
184 STAMPROFILEADV StatSpinPoke;
185 STAMPROFILEADV StatSpinPokeFailed;
186
187 STAMCOUNTER StatImportGuestStateFallback;
188 STAMCOUNTER StatReadToTransientFallback;
189
190 STAMCOUNTER StatInjectInterrupt;
191 STAMCOUNTER StatInjectXcpt;
192 STAMCOUNTER StatInjectReflect;
193 STAMCOUNTER StatInjectConvertDF;
194 STAMCOUNTER StatInjectInterpret;
195 STAMCOUNTER StatInjectReflectNPF;
196
197 STAMCOUNTER StatExitAll;
198 STAMCOUNTER StatNestedExitAll;
199 STAMCOUNTER StatExitShadowNM;
200 STAMCOUNTER StatExitGuestNM;
201 STAMCOUNTER StatExitShadowPF; /**< Misleading, currently used for MMIO \#PFs as well. */
202 STAMCOUNTER StatExitShadowPFEM;
203 STAMCOUNTER StatExitGuestPF;
204 STAMCOUNTER StatExitGuestUD;
205 STAMCOUNTER StatExitGuestSS;
206 STAMCOUNTER StatExitGuestNP;
207 STAMCOUNTER StatExitGuestTS;
208 STAMCOUNTER StatExitGuestOF;
209 STAMCOUNTER StatExitGuestGP;
210 STAMCOUNTER StatExitGuestDE;
211 STAMCOUNTER StatExitGuestDF;
212 STAMCOUNTER StatExitGuestBR;
213 STAMCOUNTER StatExitGuestAC;
214 STAMCOUNTER StatExitGuestACSplitLock;
215 STAMCOUNTER StatExitGuestDB;
216 STAMCOUNTER StatExitGuestMF;
217 STAMCOUNTER StatExitGuestBP;
218 STAMCOUNTER StatExitGuestXF;
219 STAMCOUNTER StatExitGuestXcpUnk;
220 STAMCOUNTER StatExitDRxWrite;
221 STAMCOUNTER StatExitDRxRead;
222 STAMCOUNTER StatExitCR0Read;
223 STAMCOUNTER StatExitCR2Read;
224 STAMCOUNTER StatExitCR3Read;
225 STAMCOUNTER StatExitCR4Read;
226 STAMCOUNTER StatExitCR8Read;
227 STAMCOUNTER StatExitCR0Write;
228 STAMCOUNTER StatExitCR2Write;
229 STAMCOUNTER StatExitCR3Write;
230 STAMCOUNTER StatExitCR4Write;
231 STAMCOUNTER StatExitCR8Write;
232 STAMCOUNTER StatExitRdmsr;
233 STAMCOUNTER StatExitWrmsr;
234 STAMCOUNTER StatExitClts;
235 STAMCOUNTER StatExitXdtrAccess;
236 STAMCOUNTER StatExitLmsw;
237 STAMCOUNTER StatExitIOWrite;
238 STAMCOUNTER StatExitIORead;
239 STAMCOUNTER StatExitIOStringWrite;
240 STAMCOUNTER StatExitIOStringRead;
241 STAMCOUNTER StatExitIntWindow;
242 STAMCOUNTER StatExitExtInt;
243 STAMCOUNTER StatExitHostNmiInGC;
244 STAMCOUNTER StatExitHostNmiInGCIpi;
245 STAMCOUNTER StatExitPreemptTimer;
246 STAMCOUNTER StatExitTprBelowThreshold;
247 STAMCOUNTER StatExitTaskSwitch;
248 STAMCOUNTER StatExitApicAccess;
249 STAMCOUNTER StatExitReasonNpf;
250
251 STAMCOUNTER StatNestedExitReasonNpf;
252 STAMCOUNTER StatNestedExitACSplitLock;
253
254 STAMCOUNTER StatFlushPage;
255 STAMCOUNTER StatFlushPageManual;
256 STAMCOUNTER StatFlushPhysPageManual;
257 STAMCOUNTER StatFlushTlb;
258 STAMCOUNTER StatFlushTlbNstGst;
259 STAMCOUNTER StatFlushTlbManual;
260 STAMCOUNTER StatFlushTlbWorldSwitch;
261 STAMCOUNTER StatNoFlushTlbWorldSwitch;
262 STAMCOUNTER StatFlushEntire;
263 STAMCOUNTER StatFlushAsid;
264 STAMCOUNTER StatFlushNestedPaging;
265 STAMCOUNTER StatFlushTlbInvlpgVirt;
266 STAMCOUNTER StatFlushTlbInvlpgPhys;
267 STAMCOUNTER StatTlbShootdown;
268 STAMCOUNTER StatTlbShootdownFlush;
269
270 STAMCOUNTER StatSwitchPendingHostIrq;
271 STAMCOUNTER StatSwitchTprMaskedIrq;
272 STAMCOUNTER StatSwitchGuestIrq;
273 STAMCOUNTER StatSwitchHmToR3FF;
274 STAMCOUNTER StatSwitchVmReq;
275 STAMCOUNTER StatSwitchPgmPoolFlush;
276 STAMCOUNTER StatSwitchDma;
277 STAMCOUNTER StatSwitchExitToR3;
278 STAMCOUNTER StatSwitchLongJmpToR3;
279 STAMCOUNTER StatSwitchMaxResumeLoops;
280 STAMCOUNTER StatSwitchHltToR3;
281 STAMCOUNTER StatSwitchApicAccessToR3;
282 STAMCOUNTER StatSwitchPreempt;
283 STAMCOUNTER StatSwitchNstGstVmexit;
284
285 STAMCOUNTER StatTscParavirt;
286 STAMCOUNTER StatTscOffset;
287 STAMCOUNTER StatTscIntercept;
288
289 STAMCOUNTER StatDRxArmed;
290 STAMCOUNTER StatDRxContextSwitch;
291 STAMCOUNTER StatDRxIoCheck;
292
293 STAMCOUNTER StatExportMinimal;
294 STAMCOUNTER StatExportFull;
295 STAMCOUNTER StatLoadGuestFpu;
296 STAMCOUNTER StatExportHostState;
297
298 STAMCOUNTER StatVmxCheckBadRmSelBase;
299 STAMCOUNTER StatVmxCheckBadRmSelLimit;
300 STAMCOUNTER StatVmxCheckBadRmSelAttr;
301 STAMCOUNTER StatVmxCheckBadV86SelBase;
302 STAMCOUNTER StatVmxCheckBadV86SelLimit;
303 STAMCOUNTER StatVmxCheckBadV86SelAttr;
304 STAMCOUNTER StatVmxCheckRmOk;
305 STAMCOUNTER StatVmxCheckBadSel;
306 STAMCOUNTER StatVmxCheckBadRpl;
307 STAMCOUNTER StatVmxCheckPmOk;
308
309 STAMCOUNTER StatVmxPreemptionRecalcingDeadline;
310 STAMCOUNTER StatVmxPreemptionRecalcingDeadlineExpired;
311 STAMCOUNTER StatVmxPreemptionReusingDeadline;
312 STAMCOUNTER StatVmxPreemptionReusingDeadlineExpired;
313
314#ifdef VBOX_WITH_STATISTICS
315 STAMCOUNTER aStatExitReason[MAX_EXITREASON_STAT];
316 STAMCOUNTER aStatNestedExitReason[MAX_EXITREASON_STAT];
317 STAMCOUNTER aStatInjectedIrqs[256];
318 STAMCOUNTER aStatInjectedXcpts[X86_XCPT_LAST + 1];
319#endif
320#ifdef HM_PROFILE_EXIT_DISPATCH
321 STAMPROFILEADV StatExitDispatch;
322#endif
323} VMXSTATISTICS;
324/** Pointer to the VMX statistics. */
325typedef VMXSTATISTICS *PVMXSTATISTICS;
326/** Pointer to a const VMX statistics structure. */
327typedef const VMXSTATISTICS *PCVMXSTATISTICS;
328
329/** @} */
330
331/** @} */
332
333RT_C_DECLS_END
334
335#endif /* !VMM_INCLUDED_SRC_include_VMXInternal_h */
336
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