VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMAll/HMVMXAll.cpp@ 80767

Last change on this file since 80767 was 80767, checked in by vboxsync, 5 years ago

VMM/HM: Nested VMX: bugref:9180 Add IoBitmapAPtrReadPhys and IoBitmapBPtrReadPhys VM-entry failure reasons for upcoming changes.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 74.9 KB
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1/* $Id: HMVMXAll.cpp 80767 2019-09-13 09:29:18Z vboxsync $ */
2/** @file
3 * HM VMX (VT-x) - All contexts.
4 */
5
6/*
7 * Copyright (C) 2018-2019 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
18
19/*********************************************************************************************************************************
20* Header Files *
21*********************************************************************************************************************************/
22#define LOG_GROUP LOG_GROUP_HM
23#define VMCPU_INCL_CPUM_GST_CTX
24#include "HMInternal.h"
25#include <VBox/vmm/hmvmxinline.h>
26#include <VBox/vmm/vmcc.h>
27#include <VBox/vmm/pdmapi.h>
28#include <iprt/errcore.h>
29
30
31/*********************************************************************************************************************************
32* Global Variables *
33*********************************************************************************************************************************/
34#define VMXV_DIAG_DESC(a_Def, a_Desc) #a_Def " - " #a_Desc
35/** VMX virtual-instructions and VM-exit diagnostics. */
36static const char * const g_apszVmxVDiagDesc[] =
37{
38 /* Internal processing errors. */
39 VMXV_DIAG_DESC(kVmxVDiag_None , "None" ),
40 VMXV_DIAG_DESC(kVmxVDiag_Ipe_1 , "Ipe_1" ),
41 VMXV_DIAG_DESC(kVmxVDiag_Ipe_2 , "Ipe_2" ),
42 VMXV_DIAG_DESC(kVmxVDiag_Ipe_3 , "Ipe_3" ),
43 VMXV_DIAG_DESC(kVmxVDiag_Ipe_4 , "Ipe_4" ),
44 VMXV_DIAG_DESC(kVmxVDiag_Ipe_5 , "Ipe_5" ),
45 VMXV_DIAG_DESC(kVmxVDiag_Ipe_6 , "Ipe_6" ),
46 VMXV_DIAG_DESC(kVmxVDiag_Ipe_7 , "Ipe_7" ),
47 VMXV_DIAG_DESC(kVmxVDiag_Ipe_8 , "Ipe_8" ),
48 VMXV_DIAG_DESC(kVmxVDiag_Ipe_9 , "Ipe_9" ),
49 VMXV_DIAG_DESC(kVmxVDiag_Ipe_10 , "Ipe_10" ),
50 VMXV_DIAG_DESC(kVmxVDiag_Ipe_11 , "Ipe_11" ),
51 VMXV_DIAG_DESC(kVmxVDiag_Ipe_12 , "Ipe_12" ),
52 VMXV_DIAG_DESC(kVmxVDiag_Ipe_13 , "Ipe_13" ),
53 VMXV_DIAG_DESC(kVmxVDiag_Ipe_14 , "Ipe_14" ),
54 VMXV_DIAG_DESC(kVmxVDiag_Ipe_15 , "Ipe_15" ),
55 VMXV_DIAG_DESC(kVmxVDiag_Ipe_16 , "Ipe_16" ),
56 /* VMXON. */
57 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_A20M , "A20M" ),
58 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Cpl , "Cpl" ),
59 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Cr0Fixed0 , "Cr0Fixed0" ),
60 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Cr0Fixed1 , "Cr0Fixed1" ),
61 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Cr4Fixed0 , "Cr4Fixed0" ),
62 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Cr4Fixed1 , "Cr4Fixed1" ),
63 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Intercept , "Intercept" ),
64 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_LongModeCS , "LongModeCS" ),
65 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_MsrFeatCtl , "MsrFeatCtl" ),
66 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_PtrAbnormal , "PtrAbnormal" ),
67 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_PtrAlign , "PtrAlign" ),
68 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_PtrMap , "PtrMap" ),
69 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_PtrReadPhys , "PtrReadPhys" ),
70 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_PtrWidth , "PtrWidth" ),
71 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_RealOrV86Mode , "RealOrV86Mode" ),
72 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_ShadowVmcs , "ShadowVmcs" ),
73 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_VmxAlreadyRoot , "VmxAlreadyRoot" ),
74 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Vmxe , "Vmxe" ),
75 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_VmcsRevId , "VmcsRevId" ),
76 VMXV_DIAG_DESC(kVmxVDiag_Vmxon_VmxRootCpl , "VmxRootCpl" ),
77 /* VMXOFF. */
78 VMXV_DIAG_DESC(kVmxVDiag_Vmxoff_Cpl , "Cpl" ),
79 VMXV_DIAG_DESC(kVmxVDiag_Vmxoff_Intercept , "Intercept" ),
80 VMXV_DIAG_DESC(kVmxVDiag_Vmxoff_LongModeCS , "LongModeCS" ),
81 VMXV_DIAG_DESC(kVmxVDiag_Vmxoff_RealOrV86Mode , "RealOrV86Mode" ),
82 VMXV_DIAG_DESC(kVmxVDiag_Vmxoff_Vmxe , "Vmxe" ),
83 VMXV_DIAG_DESC(kVmxVDiag_Vmxoff_VmxRoot , "VmxRoot" ),
84 /* VMPTRLD. */
85 VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_Cpl , "Cpl" ),
86 VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_LongModeCS , "LongModeCS" ),
87 VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_PtrAbnormal , "PtrAbnormal" ),
88 VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_PtrAlign , "PtrAlign" ),
89 VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_PtrMap , "PtrMap" ),
90 VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_PtrReadPhys , "PtrReadPhys" ),
91 VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_PtrVmxon , "PtrVmxon" ),
92 VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_PtrWidth , "PtrWidth" ),
93 VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_RealOrV86Mode , "RealOrV86Mode" ),
94 VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_RevPtrReadPhys , "RevPtrReadPhys" ),
95 VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_ShadowVmcs , "ShadowVmcs" ),
96 VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_VmcsRevId , "VmcsRevId" ),
97 VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_VmxRoot , "VmxRoot" ),
98 /* VMPTRST. */
99 VMXV_DIAG_DESC(kVmxVDiag_Vmptrst_Cpl , "Cpl" ),
100 VMXV_DIAG_DESC(kVmxVDiag_Vmptrst_LongModeCS , "LongModeCS" ),
101 VMXV_DIAG_DESC(kVmxVDiag_Vmptrst_PtrMap , "PtrMap" ),
102 VMXV_DIAG_DESC(kVmxVDiag_Vmptrst_RealOrV86Mode , "RealOrV86Mode" ),
103 VMXV_DIAG_DESC(kVmxVDiag_Vmptrst_VmxRoot , "VmxRoot" ),
104 /* VMCLEAR. */
105 VMXV_DIAG_DESC(kVmxVDiag_Vmclear_Cpl , "Cpl" ),
106 VMXV_DIAG_DESC(kVmxVDiag_Vmclear_LongModeCS , "LongModeCS" ),
107 VMXV_DIAG_DESC(kVmxVDiag_Vmclear_PtrAbnormal , "PtrAbnormal" ),
108 VMXV_DIAG_DESC(kVmxVDiag_Vmclear_PtrAlign , "PtrAlign" ),
109 VMXV_DIAG_DESC(kVmxVDiag_Vmclear_PtrMap , "PtrMap" ),
110 VMXV_DIAG_DESC(kVmxVDiag_Vmclear_PtrReadPhys , "PtrReadPhys" ),
111 VMXV_DIAG_DESC(kVmxVDiag_Vmclear_PtrVmxon , "PtrVmxon" ),
112 VMXV_DIAG_DESC(kVmxVDiag_Vmclear_PtrWidth , "PtrWidth" ),
113 VMXV_DIAG_DESC(kVmxVDiag_Vmclear_RealOrV86Mode , "RealOrV86Mode" ),
114 VMXV_DIAG_DESC(kVmxVDiag_Vmclear_VmxRoot , "VmxRoot" ),
115 /* VMWRITE. */
116 VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_Cpl , "Cpl" ),
117 VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_FieldInvalid , "FieldInvalid" ),
118 VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_FieldRo , "FieldRo" ),
119 VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_LinkPtrInvalid , "LinkPtrInvalid" ),
120 VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_LongModeCS , "LongModeCS" ),
121 VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_PtrInvalid , "PtrInvalid" ),
122 VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_PtrMap , "PtrMap" ),
123 VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_RealOrV86Mode , "RealOrV86Mode" ),
124 VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_VmxRoot , "VmxRoot" ),
125 /* VMREAD. */
126 VMXV_DIAG_DESC(kVmxVDiag_Vmread_Cpl , "Cpl" ),
127 VMXV_DIAG_DESC(kVmxVDiag_Vmread_FieldInvalid , "FieldInvalid" ),
128 VMXV_DIAG_DESC(kVmxVDiag_Vmread_LinkPtrInvalid , "LinkPtrInvalid" ),
129 VMXV_DIAG_DESC(kVmxVDiag_Vmread_LongModeCS , "LongModeCS" ),
130 VMXV_DIAG_DESC(kVmxVDiag_Vmread_PtrInvalid , "PtrInvalid" ),
131 VMXV_DIAG_DESC(kVmxVDiag_Vmread_PtrMap , "PtrMap" ),
132 VMXV_DIAG_DESC(kVmxVDiag_Vmread_RealOrV86Mode , "RealOrV86Mode" ),
133 VMXV_DIAG_DESC(kVmxVDiag_Vmread_VmxRoot , "VmxRoot" ),
134 /* INVVPID. */
135 VMXV_DIAG_DESC(kVmxVDiag_Invvpid_Cpl , "Cpl" ),
136 VMXV_DIAG_DESC(kVmxVDiag_Invvpid_DescRsvd , "DescRsvd" ),
137 VMXV_DIAG_DESC(kVmxVDiag_Invvpid_LongModeCS , "LongModeCS" ),
138 VMXV_DIAG_DESC(kVmxVDiag_Invvpid_RealOrV86Mode , "RealOrV86Mode" ),
139 VMXV_DIAG_DESC(kVmxVDiag_Invvpid_TypeInvalid , "TypeInvalid" ),
140 VMXV_DIAG_DESC(kVmxVDiag_Invvpid_Type0InvalidAddr , "Type0InvalidAddr" ),
141 VMXV_DIAG_DESC(kVmxVDiag_Invvpid_Type0InvalidVpid , "Type0InvalidVpid" ),
142 VMXV_DIAG_DESC(kVmxVDiag_Invvpid_Type1InvalidVpid , "Type1InvalidVpid" ),
143 VMXV_DIAG_DESC(kVmxVDiag_Invvpid_Type3InvalidVpid , "Type3InvalidVpid" ),
144 VMXV_DIAG_DESC(kVmxVDiag_Invvpid_VmxRoot , "VmxRoot" ),
145 /* VMLAUNCH/VMRESUME. */
146 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrApicAccess , "AddrApicAccess" ),
147 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrApicAccessEqVirtApic , "AddrApicAccessEqVirtApic" ),
148 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrApicAccessHandlerReg , "AddrApicAccessHandlerReg" ),
149 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrEntryMsrLoad , "AddrEntryMsrLoad" ),
150 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrExitMsrLoad , "AddrExitMsrLoad" ),
151 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrExitMsrStore , "AddrExitMsrStore" ),
152 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrIoBitmapA , "AddrIoBitmapA" ),
153 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrIoBitmapB , "AddrIoBitmapB" ),
154 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrMsrBitmap , "AddrMsrBitmap" ),
155 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrVirtApicPage , "AddrVirtApicPage" ),
156 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrVmcsLinkPtr , "AddrVmcsLinkPtr" ),
157 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrVmreadBitmap , "AddrVmreadBitmap" ),
158 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrVmwriteBitmap , "AddrVmwriteBitmap" ),
159 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ApicRegVirt , "ApicRegVirt" ),
160 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_BlocKMovSS , "BlockMovSS" ),
161 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_Cpl , "Cpl" ),
162 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_Cr3TargetCount , "Cr3TargetCount" ),
163 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryCtlsAllowed1 , "EntryCtlsAllowed1" ),
164 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryCtlsDisallowed0 , "EntryCtlsDisallowed0" ),
165 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryInstrLen , "EntryInstrLen" ),
166 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryInstrLenZero , "EntryInstrLenZero" ),
167 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryIntInfoErrCodePe , "EntryIntInfoErrCodePe" ),
168 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryIntInfoErrCodeVec , "EntryIntInfoErrCodeVec" ),
169 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryIntInfoTypeVecRsvd , "EntryIntInfoTypeVecRsvd" ),
170 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryXcptErrCodeRsvd , "EntryXcptErrCodeRsvd" ),
171 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ExitCtlsAllowed1 , "ExitCtlsAllowed1" ),
172 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ExitCtlsDisallowed0 , "ExitCtlsDisallowed0" ),
173 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestActStateHlt , "GuestActStateHlt" ),
174 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestActStateRsvd , "GuestActStateRsvd" ),
175 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestActStateShutdown , "GuestActStateShutdown" ),
176 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestActStateSsDpl , "GuestActStateSsDpl" ),
177 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestActStateStiMovSs , "GuestActStateStiMovSs" ),
178 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestCr0Fixed0 , "GuestCr0Fixed0" ),
179 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestCr0Fixed1 , "GuestCr0Fixed1" ),
180 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestCr0PgPe , "GuestCr0PgPe" ),
181 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestCr3 , "GuestCr3" ),
182 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestCr4Fixed0 , "GuestCr4Fixed0" ),
183 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestCr4Fixed1 , "GuestCr4Fixed1" ),
184 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestDebugCtl , "GuestDebugCtl" ),
185 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestDr7 , "GuestDr7" ),
186 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestEferMsr , "GuestEferMsr" ),
187 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestEferMsrRsvd , "GuestEferMsrRsvd" ),
188 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestGdtrBase , "GuestGdtrBase" ),
189 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestGdtrLimit , "GuestGdtrLimit" ),
190 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIdtrBase , "GuestIdtrBase" ),
191 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIdtrLimit , "GuestIdtrLimit" ),
192 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateEnclave , "GuestIntStateEnclave" ),
193 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateExtInt , "GuestIntStateExtInt" ),
194 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateNmi , "GuestIntStateNmi" ),
195 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateRFlagsSti , "GuestIntStateRFlagsSti" ),
196 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateRsvd , "GuestIntStateRsvd" ),
197 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateSmi , "GuestIntStateSmi" ),
198 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateStiMovSs , "GuestIntStateStiMovSs" ),
199 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateVirtNmi , "GuestIntStateVirtNmi" ),
200 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPae , "GuestPae" ),
201 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPatMsr , "GuestPatMsr" ),
202 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPcide , "GuestPcide" ),
203 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPdpteCr3ReadPhys , "GuestPdpteCr3ReadPhys" ),
204 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPdpte0Rsvd , "GuestPdpte0Rsvd" ),
205 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPdpte1Rsvd , "GuestPdpte1Rsvd" ),
206 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPdpte2Rsvd , "GuestPdpte2Rsvd" ),
207 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPdpte3Rsvd , "GuestPdpte3Rsvd" ),
208 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPndDbgXcptBsNoTf , "GuestPndDbgXcptBsNoTf" ),
209 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPndDbgXcptBsTf , "GuestPndDbgXcptBsTf" ),
210 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPndDbgXcptRsvd , "GuestPndDbgXcptRsvd" ),
211 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPndDbgXcptRtm , "GuestPndDbgXcptRtm" ),
212 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestRip , "GuestRip" ),
213 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestRipRsvd , "GuestRipRsvd" ),
214 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestRFlagsIf , "GuestRFlagsIf" ),
215 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestRFlagsRsvd , "GuestRFlagsRsvd" ),
216 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestRFlagsVm , "GuestRFlagsVm" ),
217 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrCsDefBig , "GuestSegAttrCsDefBig" ),
218 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrCsDplEqSs , "GuestSegAttrCsDplEqSs" ),
219 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrCsDplLtSs , "GuestSegAttrCsDplLtSs" ),
220 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrCsDplZero , "GuestSegAttrCsDplZero" ),
221 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrCsType , "GuestSegAttrCsType" ),
222 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrCsTypeRead , "GuestSegAttrCsTypeRead" ),
223 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDescTypeCs , "GuestSegAttrDescTypeCs" ),
224 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDescTypeDs , "GuestSegAttrDescTypeDs" ),
225 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDescTypeEs , "GuestSegAttrDescTypeEs" ),
226 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDescTypeFs , "GuestSegAttrDescTypeFs" ),
227 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDescTypeGs , "GuestSegAttrDescTypeGs" ),
228 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDescTypeSs , "GuestSegAttrDescTypeSs" ),
229 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDplRplCs , "GuestSegAttrDplRplCs" ),
230 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDplRplDs , "GuestSegAttrDplRplDs" ),
231 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDplRplEs , "GuestSegAttrDplRplEs" ),
232 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDplRplFs , "GuestSegAttrDplRplFs" ),
233 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDplRplGs , "GuestSegAttrDplRplGs" ),
234 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDplRplSs , "GuestSegAttrDplRplSs" ),
235 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrGranCs , "GuestSegAttrGranCs" ),
236 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrGranDs , "GuestSegAttrGranDs" ),
237 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrGranEs , "GuestSegAttrGranEs" ),
238 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrGranFs , "GuestSegAttrGranFs" ),
239 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrGranGs , "GuestSegAttrGranGs" ),
240 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrGranSs , "GuestSegAttrGranSs" ),
241 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrLdtrDescType , "GuestSegAttrLdtrDescType" ),
242 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrLdtrGran , "GuestSegAttrLdtrGran" ),
243 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrLdtrPresent , "GuestSegAttrLdtrPresent" ),
244 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrLdtrRsvd , "GuestSegAttrLdtrRsvd" ),
245 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrLdtrType , "GuestSegAttrLdtrType" ),
246 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrPresentCs , "GuestSegAttrPresentCs" ),
247 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrPresentDs , "GuestSegAttrPresentDs" ),
248 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrPresentEs , "GuestSegAttrPresentEs" ),
249 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrPresentFs , "GuestSegAttrPresentFs" ),
250 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrPresentGs , "GuestSegAttrPresentGs" ),
251 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrPresentSs , "GuestSegAttrPresentSs" ),
252 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrRsvdCs , "GuestSegAttrRsvdCs" ),
253 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrRsvdDs , "GuestSegAttrRsvdDs" ),
254 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrRsvdEs , "GuestSegAttrRsvdEs" ),
255 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrRsvdFs , "GuestSegAttrRsvdFs" ),
256 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrRsvdGs , "GuestSegAttrRsvdGs" ),
257 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrRsvdSs , "GuestSegAttrRsvdSs" ),
258 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrSsDplEqRpl , "GuestSegAttrSsDplEqRpl" ),
259 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrSsDplZero , "GuestSegAttrSsDplZero " ),
260 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrSsType , "GuestSegAttrSsType" ),
261 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTrDescType , "GuestSegAttrTrDescType" ),
262 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTrGran , "GuestSegAttrTrGran" ),
263 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTrPresent , "GuestSegAttrTrPresent" ),
264 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTrRsvd , "GuestSegAttrTrRsvd" ),
265 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTrType , "GuestSegAttrTrType" ),
266 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTrUnusable , "GuestSegAttrTrUnusable" ),
267 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTypeAccCs , "GuestSegAttrTypeAccCs" ),
268 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTypeAccDs , "GuestSegAttrTypeAccDs" ),
269 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTypeAccEs , "GuestSegAttrTypeAccEs" ),
270 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTypeAccFs , "GuestSegAttrTypeAccFs" ),
271 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTypeAccGs , "GuestSegAttrTypeAccGs" ),
272 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTypeAccSs , "GuestSegAttrTypeAccSs" ),
273 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrV86Cs , "GuestSegAttrV86Cs" ),
274 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrV86Ds , "GuestSegAttrV86Ds" ),
275 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrV86Es , "GuestSegAttrV86Es" ),
276 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrV86Fs , "GuestSegAttrV86Fs" ),
277 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrV86Gs , "GuestSegAttrV86Gs" ),
278 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrV86Ss , "GuestSegAttrV86Ss" ),
279 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseCs , "GuestSegBaseCs" ),
280 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseDs , "GuestSegBaseDs" ),
281 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseEs , "GuestSegBaseEs" ),
282 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseFs , "GuestSegBaseFs" ),
283 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseGs , "GuestSegBaseGs" ),
284 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseLdtr , "GuestSegBaseLdtr" ),
285 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseSs , "GuestSegBaseSs" ),
286 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseTr , "GuestSegBaseTr" ),
287 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseV86Cs , "GuestSegBaseV86Cs" ),
288 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseV86Ds , "GuestSegBaseV86Ds" ),
289 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseV86Es , "GuestSegBaseV86Es" ),
290 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseV86Fs , "GuestSegBaseV86Fs" ),
291 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseV86Gs , "GuestSegBaseV86Gs" ),
292 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseV86Ss , "GuestSegBaseV86Ss" ),
293 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegLimitV86Cs , "GuestSegLimitV86Cs" ),
294 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegLimitV86Ds , "GuestSegLimitV86Ds" ),
295 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegLimitV86Es , "GuestSegLimitV86Es" ),
296 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegLimitV86Fs , "GuestSegLimitV86Fs" ),
297 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegLimitV86Gs , "GuestSegLimitV86Gs" ),
298 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegLimitV86Ss , "GuestSegLimitV86Ss" ),
299 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegSelCsSsRpl , "GuestSegSelCsSsRpl" ),
300 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegSelLdtr , "GuestSegSelLdtr" ),
301 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegSelTr , "GuestSegSelTr" ),
302 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSysenterEspEip , "GuestSysenterEspEip" ),
303 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmcsLinkPtrCurVmcs , "VmcsLinkPtrCurVmcs" ),
304 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmcsLinkPtrReadPhys , "VmcsLinkPtrReadPhys" ),
305 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmcsLinkPtrRevId , "VmcsLinkPtrRevId" ),
306 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmcsLinkPtrShadow , "VmcsLinkPtrShadow" ),
307 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr0Fixed0 , "HostCr0Fixed0" ),
308 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr0Fixed1 , "HostCr0Fixed1" ),
309 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr3 , "HostCr3" ),
310 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr4Fixed0 , "HostCr4Fixed0" ),
311 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr4Fixed1 , "HostCr4Fixed1" ),
312 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr4Pae , "HostCr4Pae" ),
313 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr4Pcide , "HostCr4Pcide" ),
314 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCsTr , "HostCsTr" ),
315 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostEferMsr , "HostEferMsr" ),
316 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostEferMsrRsvd , "HostEferMsrRsvd" ),
317 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostGuestLongMode , "HostGuestLongMode" ),
318 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostGuestLongModeNoCpu , "HostGuestLongModeNoCpu" ),
319 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostLongMode , "HostLongMode" ),
320 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostPatMsr , "HostPatMsr" ),
321 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostRip , "HostRip" ),
322 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostRipRsvd , "HostRipRsvd" ),
323 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostSel , "HostSel" ),
324 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostSegBase , "HostSegBase" ),
325 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostSs , "HostSs" ),
326 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostSysenterEspEip , "HostSysenterEspEip" ),
327 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_IoBitmapAPtrReadPhys , "IoBitmapAPtrReadPhys" ),
328 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_IoBitmapBPtrReadPhys , "IoBitmapBPtrReadPhys" ),
329 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_LongModeCS , "LongModeCS" ),
330 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_MsrBitmapPtrReadPhys , "MsrBitmapPtrReadPhys" ),
331 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_MsrLoad , "MsrLoad" ),
332 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_MsrLoadCount , "MsrLoadCount" ),
333 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_MsrLoadPtrReadPhys , "MsrLoadPtrReadPhys" ),
334 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_MsrLoadRing3 , "MsrLoadRing3" ),
335 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_MsrLoadRsvd , "MsrLoadRsvd" ),
336 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_NmiWindowExit , "NmiWindowExit" ),
337 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_PinCtlsAllowed1 , "PinCtlsAllowed1" ),
338 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_PinCtlsDisallowed0 , "PinCtlsDisallowed0" ),
339 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ProcCtlsAllowed1 , "ProcCtlsAllowed1" ),
340 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ProcCtlsDisallowed0 , "ProcCtlsDisallowed0" ),
341 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ProcCtls2Allowed1 , "ProcCtls2Allowed1" ),
342 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ProcCtls2Disallowed0 , "ProcCtls2Disallowed0" ),
343 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_PtrInvalid , "PtrInvalid" ),
344 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_PtrShadowVmcs , "PtrShadowVmcs" ),
345 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_RealOrV86Mode , "RealOrV86Mode" ),
346 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_SavePreemptTimer , "SavePreemptTimer" ),
347 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_TprThresholdRsvd , "TprThresholdRsvd" ),
348 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_TprThresholdVTpr , "TprThresholdVTpr" ),
349 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VirtApicPagePtrReadPhys , "VirtApicPageReadPhys" ),
350 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VirtIntDelivery , "VirtIntDelivery" ),
351 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VirtNmi , "VirtNmi" ),
352 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VirtX2ApicTprShadow , "VirtX2ApicTprShadow" ),
353 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VirtX2ApicVirtApic , "VirtX2ApicVirtApic" ),
354 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmcsClear , "VmcsClear" ),
355 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmcsLaunch , "VmcsLaunch" ),
356 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmreadBitmapPtrReadPhys , "VmreadBitmapPtrReadPhys" ),
357 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmwriteBitmapPtrReadPhys , "VmwriteBitmapPtrReadPhys" ),
358 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmxRoot , "VmxRoot" ),
359 VMXV_DIAG_DESC(kVmxVDiag_Vmentry_Vpid , "Vpid" ),
360 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_HostPdpteCr3ReadPhys , "HostPdpteCr3ReadPhys" ),
361 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_HostPdpte0Rsvd , "HostPdpte0Rsvd" ),
362 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_HostPdpte1Rsvd , "HostPdpte1Rsvd" ),
363 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_HostPdpte2Rsvd , "HostPdpte2Rsvd" ),
364 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_HostPdpte3Rsvd , "HostPdpte3Rsvd" ),
365 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrLoad , "MsrLoad" ),
366 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrLoadCount , "MsrLoadCount" ),
367 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrLoadPtrReadPhys , "MsrLoadPtrReadPhys" ),
368 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrLoadRing3 , "MsrLoadRing3" ),
369 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrLoadRsvd , "MsrLoadRsvd" ),
370 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrStore , "MsrStore" ),
371 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrStoreCount , "MsrStoreCount" ),
372 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrStorePtrReadPhys , "MsrStorePtrReadPhys" ),
373 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrStorePtrWritePhys , "MsrStorePtrWritePhys" ),
374 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrStoreRing3 , "MsrStoreRing3" ),
375 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrStoreRsvd , "MsrStoreRsvd" ),
376 VMXV_DIAG_DESC(kVmxVDiag_Vmexit_VirtApicPagePtrWritePhys , "VirtApicPagePtrWritePhys" )
377 /* kVmxVDiag_End */
378};
379AssertCompile(RT_ELEMENTS(g_apszVmxVDiagDesc) == kVmxVDiag_End);
380#undef VMXV_DIAG_DESC
381
382
383/**
384 * Gets the descriptive name of a VMX instruction/VM-exit diagnostic code.
385 *
386 * @returns The descriptive string.
387 * @param enmDiag The VMX diagnostic.
388 */
389VMM_INT_DECL(const char *) HMGetVmxDiagDesc(VMXVDIAG enmDiag)
390{
391 if (RT_LIKELY((unsigned)enmDiag < RT_ELEMENTS(g_apszVmxVDiagDesc)))
392 return g_apszVmxVDiagDesc[enmDiag];
393 return "Unknown/invalid";
394}
395
396
397/**
398 * Checks if a code selector (CS) is suitable for execution using hardware-assisted
399 * VMX when unrestricted execution isn't available.
400 *
401 * @returns true if selector is suitable for VMX, otherwise
402 * false.
403 * @param pSel Pointer to the selector to check (CS).
404 * @param uStackDpl The CPL, aka the DPL of the stack segment.
405 */
406static bool hmVmxIsCodeSelectorOk(PCCPUMSELREG pSel, unsigned uStackDpl)
407{
408 /*
409 * Segment must be an accessed code segment, it must be present and it must
410 * be usable.
411 * Note! These are all standard requirements and if CS holds anything else
412 * we've got buggy code somewhere!
413 */
414 AssertCompile(X86DESCATTR_TYPE == 0xf);
415 AssertMsgReturn( (pSel->Attr.u & (X86_SEL_TYPE_ACCESSED | X86_SEL_TYPE_CODE | X86DESCATTR_DT | X86DESCATTR_P | X86DESCATTR_UNUSABLE))
416 == (X86_SEL_TYPE_ACCESSED | X86_SEL_TYPE_CODE | X86DESCATTR_DT | X86DESCATTR_P),
417 ("%#x\n", pSel->Attr.u),
418 false);
419
420 /*
421 * For conforming segments, CS.DPL must be <= SS.DPL, while CS.DPL must equal
422 * SS.DPL for non-confroming segments.
423 * Note! This is also a hard requirement like above.
424 */
425 AssertMsgReturn( pSel->Attr.n.u4Type & X86_SEL_TYPE_CONF
426 ? pSel->Attr.n.u2Dpl <= uStackDpl
427 : pSel->Attr.n.u2Dpl == uStackDpl,
428 ("u4Type=%#x u2Dpl=%u uStackDpl=%u\n", pSel->Attr.n.u4Type, pSel->Attr.n.u2Dpl, uStackDpl),
429 false);
430
431 /*
432 * The following two requirements are VT-x specific:
433 * - G bit must be set if any high limit bits are set.
434 * - G bit must be clear if any low limit bits are clear.
435 */
436 if ( ((pSel->u32Limit & 0xfff00000) == 0x00000000 || pSel->Attr.n.u1Granularity)
437 && ((pSel->u32Limit & 0x00000fff) == 0x00000fff || !pSel->Attr.n.u1Granularity))
438 return true;
439 return false;
440}
441
442
443/**
444 * Checks if a data selector (DS/ES/FS/GS) is suitable for execution using
445 * hardware-assisted VMX when unrestricted execution isn't available.
446 *
447 * @returns true if selector is suitable for VMX, otherwise
448 * false.
449 * @param pSel Pointer to the selector to check
450 * (DS/ES/FS/GS).
451 */
452static bool hmVmxIsDataSelectorOk(PCCPUMSELREG pSel)
453{
454 /*
455 * Unusable segments are OK. These days they should be marked as such, as
456 * but as an alternative we for old saved states and AMD<->VT-x migration
457 * we also treat segments with all the attributes cleared as unusable.
458 */
459 if (pSel->Attr.n.u1Unusable || !pSel->Attr.u)
460 return true;
461
462 /** @todo tighten these checks. Will require CPUM load adjusting. */
463
464 /* Segment must be accessed. */
465 if (pSel->Attr.u & X86_SEL_TYPE_ACCESSED)
466 {
467 /* Code segments must also be readable. */
468 if ( !(pSel->Attr.u & X86_SEL_TYPE_CODE)
469 || (pSel->Attr.u & X86_SEL_TYPE_READ))
470 {
471 /* The S bit must be set. */
472 if (pSel->Attr.n.u1DescType)
473 {
474 /* Except for conforming segments, DPL >= RPL. */
475 if ( pSel->Attr.n.u2Dpl >= (pSel->Sel & X86_SEL_RPL)
476 || pSel->Attr.n.u4Type >= X86_SEL_TYPE_ER_ACC)
477 {
478 /* Segment must be present. */
479 if (pSel->Attr.n.u1Present)
480 {
481 /*
482 * The following two requirements are VT-x specific:
483 * - G bit must be set if any high limit bits are set.
484 * - G bit must be clear if any low limit bits are clear.
485 */
486 if ( ((pSel->u32Limit & 0xfff00000) == 0x00000000 || pSel->Attr.n.u1Granularity)
487 && ((pSel->u32Limit & 0x00000fff) == 0x00000fff || !pSel->Attr.n.u1Granularity))
488 return true;
489 }
490 }
491 }
492 }
493 }
494
495 return false;
496}
497
498
499/**
500 * Checks if the stack selector (SS) is suitable for execution using
501 * hardware-assisted VMX when unrestricted execution isn't available.
502 *
503 * @returns true if selector is suitable for VMX, otherwise
504 * false.
505 * @param pSel Pointer to the selector to check (SS).
506 */
507static bool hmVmxIsStackSelectorOk(PCCPUMSELREG pSel)
508{
509 /*
510 * Unusable segments are OK. These days they should be marked as such, as
511 * but as an alternative we for old saved states and AMD<->VT-x migration
512 * we also treat segments with all the attributes cleared as unusable.
513 */
514 /** @todo r=bird: actually all zeroes isn't gonna cut it... SS.DPL == CPL. */
515 if (pSel->Attr.n.u1Unusable || !pSel->Attr.u)
516 return true;
517
518 /*
519 * Segment must be an accessed writable segment, it must be present.
520 * Note! These are all standard requirements and if SS holds anything else
521 * we've got buggy code somewhere!
522 */
523 AssertCompile(X86DESCATTR_TYPE == 0xf);
524 AssertMsgReturn( (pSel->Attr.u & (X86_SEL_TYPE_ACCESSED | X86_SEL_TYPE_WRITE | X86DESCATTR_DT | X86DESCATTR_P | X86_SEL_TYPE_CODE))
525 == (X86_SEL_TYPE_ACCESSED | X86_SEL_TYPE_WRITE | X86DESCATTR_DT | X86DESCATTR_P),
526 ("%#x\n", pSel->Attr.u), false);
527
528 /*
529 * DPL must equal RPL. But in real mode or soon after enabling protected
530 * mode, it might not be.
531 */
532 if (pSel->Attr.n.u2Dpl == (pSel->Sel & X86_SEL_RPL))
533 {
534 /*
535 * The following two requirements are VT-x specific:
536 * - G bit must be set if any high limit bits are set.
537 * - G bit must be clear if any low limit bits are clear.
538 */
539 if ( ((pSel->u32Limit & 0xfff00000) == 0x00000000 || pSel->Attr.n.u1Granularity)
540 && ((pSel->u32Limit & 0x00000fff) == 0x00000fff || !pSel->Attr.n.u1Granularity))
541 return true;
542 }
543 return false;
544}
545
546
547/**
548 * Checks if the guest is in a suitable state for hardware-assisted VMX execution.
549 *
550 * @returns @c true if it is suitable, @c false otherwise.
551 * @param pVM The cross context VM structure.
552 * @param pVCpu The cross context virtual CPU structure.
553 * @param pCtx Pointer to the guest CPU context.
554 *
555 * @remarks @a pCtx can be a partial context and thus may not be necessarily the
556 * same as pVCpu->cpum.GstCtx! Thus don't eliminate the @a pCtx parameter.
557 * Secondly, if additional checks are added that require more of the CPU
558 * state, make sure REM (which supplies a partial state) is updated.
559 */
560VMM_INT_DECL(bool) HMCanExecuteVmxGuest(PVMCC pVM, PVMCPUCC pVCpu, PCCPUMCTX pCtx)
561{
562 Assert(HMIsEnabled(pVM));
563 Assert( ( pVM->hm.s.vmx.fUnrestrictedGuest && !pVM->hm.s.vmx.pRealModeTSS)
564 || (!pVM->hm.s.vmx.fUnrestrictedGuest && pVM->hm.s.vmx.pRealModeTSS));
565
566 pVCpu->hm.s.fActive = false;
567
568 bool const fSupportsRealMode = pVM->hm.s.vmx.fUnrestrictedGuest || PDMVmmDevHeapIsEnabled(pVM);
569 if (!pVM->hm.s.vmx.fUnrestrictedGuest)
570 {
571 /*
572 * The VMM device heap is a requirement for emulating real mode or protected mode without paging with the unrestricted
573 * guest execution feature is missing (VT-x only).
574 */
575 if (fSupportsRealMode)
576 {
577 if (CPUMIsGuestInRealModeEx(pCtx))
578 {
579 /*
580 * In V86 mode (VT-x or not), the CPU enforces real-mode compatible selector
581 * bases, limits, and attributes, i.e. limit must be 64K, base must be selector * 16,
582 * and attributes must be 0x9b for code and 0x93 for code segments.
583 * If this is not true, we cannot execute real mode as V86 and have to fall
584 * back to emulation.
585 */
586 if ( pCtx->cs.Sel != (pCtx->cs.u64Base >> 4)
587 || pCtx->ds.Sel != (pCtx->ds.u64Base >> 4)
588 || pCtx->es.Sel != (pCtx->es.u64Base >> 4)
589 || pCtx->ss.Sel != (pCtx->ss.u64Base >> 4)
590 || pCtx->fs.Sel != (pCtx->fs.u64Base >> 4)
591 || pCtx->gs.Sel != (pCtx->gs.u64Base >> 4))
592 {
593 STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadRmSelBase);
594 return false;
595 }
596 if ( (pCtx->cs.u32Limit != 0xffff)
597 || (pCtx->ds.u32Limit != 0xffff)
598 || (pCtx->es.u32Limit != 0xffff)
599 || (pCtx->ss.u32Limit != 0xffff)
600 || (pCtx->fs.u32Limit != 0xffff)
601 || (pCtx->gs.u32Limit != 0xffff))
602 {
603 STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadRmSelLimit);
604 return false;
605 }
606 if ( (pCtx->cs.Attr.u != 0x9b)
607 || (pCtx->ds.Attr.u != 0x93)
608 || (pCtx->es.Attr.u != 0x93)
609 || (pCtx->ss.Attr.u != 0x93)
610 || (pCtx->fs.Attr.u != 0x93)
611 || (pCtx->gs.Attr.u != 0x93))
612 {
613 STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadRmSelAttr);
614 return false;
615 }
616 STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckRmOk);
617 }
618 else
619 {
620 /*
621 * Verify the requirements for executing code in protected mode. VT-x can't
622 * handle the CPU state right after a switch from real to protected mode
623 * (all sorts of RPL & DPL assumptions).
624 */
625 PCVMXVMCSINFO pVmcsInfo = hmGetVmxActiveVmcsInfo(pVCpu);
626 if (pVmcsInfo->fWasInRealMode)
627 {
628 if (!CPUMIsGuestInV86ModeEx(pCtx))
629 {
630 /* The guest switched to protected mode, check if the state is suitable for VT-x. */
631 if ((pCtx->cs.Sel & X86_SEL_RPL) != (pCtx->ss.Sel & X86_SEL_RPL))
632 {
633 STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadRpl);
634 return false;
635 }
636 if ( !hmVmxIsCodeSelectorOk(&pCtx->cs, pCtx->ss.Attr.n.u2Dpl)
637 || !hmVmxIsDataSelectorOk(&pCtx->ds)
638 || !hmVmxIsDataSelectorOk(&pCtx->es)
639 || !hmVmxIsDataSelectorOk(&pCtx->fs)
640 || !hmVmxIsDataSelectorOk(&pCtx->gs)
641 || !hmVmxIsStackSelectorOk(&pCtx->ss))
642 {
643 STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadSel);
644 return false;
645 }
646 }
647 else
648 {
649 /* The guest switched to V86 mode, check if the state is suitable for VT-x. */
650 if ( pCtx->cs.Sel != (pCtx->cs.u64Base >> 4)
651 || pCtx->ds.Sel != (pCtx->ds.u64Base >> 4)
652 || pCtx->es.Sel != (pCtx->es.u64Base >> 4)
653 || pCtx->ss.Sel != (pCtx->ss.u64Base >> 4)
654 || pCtx->fs.Sel != (pCtx->fs.u64Base >> 4)
655 || pCtx->gs.Sel != (pCtx->gs.u64Base >> 4))
656 {
657 STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadV86SelBase);
658 return false;
659 }
660 if ( pCtx->cs.u32Limit != 0xffff
661 || pCtx->ds.u32Limit != 0xffff
662 || pCtx->es.u32Limit != 0xffff
663 || pCtx->ss.u32Limit != 0xffff
664 || pCtx->fs.u32Limit != 0xffff
665 || pCtx->gs.u32Limit != 0xffff)
666 {
667 STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadV86SelLimit);
668 return false;
669 }
670 if ( pCtx->cs.Attr.u != 0xf3
671 || pCtx->ds.Attr.u != 0xf3
672 || pCtx->es.Attr.u != 0xf3
673 || pCtx->ss.Attr.u != 0xf3
674 || pCtx->fs.Attr.u != 0xf3
675 || pCtx->gs.Attr.u != 0xf3)
676 {
677 STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadV86SelAttr);
678 return false;
679 }
680 }
681 }
682 }
683 }
684 else
685 {
686 if (!CPUMIsGuestInLongModeEx(pCtx))
687 {
688 if ( !pVM->hm.s.fNestedPaging /* Requires a fake PD for real *and* protected mode without paging - stored in the VMM device heap */
689 || CPUMIsGuestInRealModeEx(pCtx)) /* Requires a fake TSS for real mode - stored in the VMM device heap */
690 return false;
691
692 /* Too early for VT-x; Solaris guests will fail with a guru meditation otherwise; same for XP. */
693 if (pCtx->idtr.pIdt == 0 || pCtx->idtr.cbIdt == 0 || pCtx->tr.Sel == 0)
694 return false;
695
696 /*
697 * The guest is about to complete the switch to protected mode. Wait a bit longer.
698 * Windows XP; switch to protected mode; all selectors are marked not present
699 * in the hidden registers (possible recompiler bug; see load_seg_vm).
700 */
701 /** @todo Is this supposed recompiler bug still relevant with IEM? */
702 if (pCtx->cs.Attr.n.u1Present == 0)
703 return false;
704 if (pCtx->ss.Attr.n.u1Present == 0)
705 return false;
706
707 /*
708 * Windows XP: possible same as above, but new recompiler requires new
709 * heuristics? VT-x doesn't seem to like something about the guest state and
710 * this stuff avoids it.
711 */
712 /** @todo This check is actually wrong, it doesn't take the direction of the
713 * stack segment into account. But, it does the job for now. */
714 if (pCtx->rsp >= pCtx->ss.u32Limit)
715 return false;
716 }
717 }
718 }
719
720 if (pVM->hm.s.vmx.fEnabled)
721 {
722 uint32_t uCr0Mask;
723
724 /* If bit N is set in cr0_fixed0, then it must be set in the guest's cr0. */
725 uCr0Mask = (uint32_t)pVM->hm.s.vmx.Msrs.u64Cr0Fixed0;
726
727 /* We ignore the NE bit here on purpose; see HMR0.cpp for details. */
728 uCr0Mask &= ~X86_CR0_NE;
729
730 if (fSupportsRealMode)
731 {
732 /* We ignore the PE & PG bits here on purpose; we emulate real and protected mode without paging. */
733 uCr0Mask &= ~(X86_CR0_PG | X86_CR0_PE);
734 }
735 else
736 {
737 /* We support protected mode without paging using identity mapping. */
738 uCr0Mask &= ~X86_CR0_PG;
739 }
740 if ((pCtx->cr0 & uCr0Mask) != uCr0Mask)
741 return false;
742
743 /* If bit N is cleared in cr0_fixed1, then it must be zero in the guest's cr0. */
744 uCr0Mask = (uint32_t)~pVM->hm.s.vmx.Msrs.u64Cr0Fixed1;
745 if ((pCtx->cr0 & uCr0Mask) != 0)
746 return false;
747
748 /* If bit N is set in cr4_fixed0, then it must be set in the guest's cr4. */
749 uCr0Mask = (uint32_t)pVM->hm.s.vmx.Msrs.u64Cr4Fixed0;
750 uCr0Mask &= ~X86_CR4_VMXE;
751 if ((pCtx->cr4 & uCr0Mask) != uCr0Mask)
752 return false;
753
754 /* If bit N is cleared in cr4_fixed1, then it must be zero in the guest's cr4. */
755 uCr0Mask = (uint32_t)~pVM->hm.s.vmx.Msrs.u64Cr4Fixed1;
756 if ((pCtx->cr4 & uCr0Mask) != 0)
757 return false;
758
759 pVCpu->hm.s.fActive = true;
760 return true;
761 }
762
763 return false;
764}
765
766
767/**
768 * Dumps the virtual VMCS state to the release log.
769 *
770 * @param pVCpu The cross context virtual CPU structure.
771 */
772VMM_INT_DECL(void) HMDumpHwvirtVmxState(PVMCPU pVCpu)
773{
774 /* The string width of -4 used in the macros below to cover 'LDTR', 'GDTR', 'IDTR. */
775#define HMVMX_DUMP_HOST_XDTR(a_pVmcs, a_Seg, a_SegName, a_pszPrefix) \
776 do { \
777 LogRel((" %s%-4s = {base=%016RX64}\n", \
778 (a_pszPrefix), (a_SegName), (a_pVmcs)->u64Host##a_Seg##Base.u)); \
779 } while (0)
780#define HMVMX_DUMP_HOST_FS_GS_TR(a_pVmcs, a_Seg, a_SegName, a_pszPrefix) \
781 do { \
782 LogRel((" %s%-4s = {%04x base=%016RX64}\n", \
783 (a_pszPrefix), (a_SegName), (a_pVmcs)->Host##a_Seg, (a_pVmcs)->u64Host##a_Seg##Base.u)); \
784 } while (0)
785#define HMVMX_DUMP_GUEST_SEGREG(a_pVmcs, a_Seg, a_SegName, a_pszPrefix) \
786 do { \
787 LogRel((" %s%-4s = {%04x base=%016RX64 limit=%08x flags=%04x}\n", \
788 (a_pszPrefix), (a_SegName), (a_pVmcs)->Guest##a_Seg, (a_pVmcs)->u64Guest##a_Seg##Base.u, \
789 (a_pVmcs)->u32Guest##a_Seg##Limit, (a_pVmcs)->u32Guest##a_Seg##Attr)); \
790 } while (0)
791#define HMVMX_DUMP_GUEST_XDTR(a_pVmcs, a_Seg, a_SegName, a_pszPrefix) \
792 do { \
793 LogRel((" %s%-4s = {base=%016RX64 limit=%08x}\n", \
794 (a_pszPrefix), (a_SegName), (a_pVmcs)->u64Guest##a_Seg##Base.u, (a_pVmcs)->u32Guest##a_Seg##Limit)); \
795 } while (0)
796
797 PCCPUMCTX pCtx = &pVCpu->cpum.GstCtx;
798 PCVMXVVMCS pVmcs = pVCpu->cpum.GstCtx.hwvirt.vmx.CTX_SUFF(pVmcs);
799 if (!pVmcs)
800 {
801 LogRel(("Virtual VMCS not allocated\n"));
802 return;
803 }
804 LogRel(("GCPhysVmxon = %#RGp\n", pCtx->hwvirt.vmx.GCPhysVmxon));
805 LogRel(("GCPhysVmcs = %#RGp\n", pCtx->hwvirt.vmx.GCPhysVmcs));
806 LogRel(("GCPhysShadowVmcs = %#RGp\n", pCtx->hwvirt.vmx.GCPhysShadowVmcs));
807 LogRel(("enmDiag = %u (%s)\n", pCtx->hwvirt.vmx.enmDiag, HMGetVmxDiagDesc(pCtx->hwvirt.vmx.enmDiag)));
808 LogRel(("uDiagAux = %#RX64\n", pCtx->hwvirt.vmx.uDiagAux));
809 LogRel(("enmAbort = %u (%s)\n", pCtx->hwvirt.vmx.enmAbort, VMXGetAbortDesc(pCtx->hwvirt.vmx.enmAbort)));
810 LogRel(("uAbortAux = %u (%#x)\n", pCtx->hwvirt.vmx.uAbortAux, pCtx->hwvirt.vmx.uAbortAux));
811 LogRel(("fInVmxRootMode = %RTbool\n", pCtx->hwvirt.vmx.fInVmxRootMode));
812 LogRel(("fInVmxNonRootMode = %RTbool\n", pCtx->hwvirt.vmx.fInVmxNonRootMode));
813 LogRel(("fInterceptEvents = %RTbool\n", pCtx->hwvirt.vmx.fInterceptEvents));
814 LogRel(("fNmiUnblockingIret = %RTbool\n", pCtx->hwvirt.vmx.fNmiUnblockingIret));
815 LogRel(("uFirstPauseLoopTick = %RX64\n", pCtx->hwvirt.vmx.uFirstPauseLoopTick));
816 LogRel(("uPrevPauseTick = %RX64\n", pCtx->hwvirt.vmx.uPrevPauseTick));
817 LogRel(("uEntryTick = %RX64\n", pCtx->hwvirt.vmx.uEntryTick));
818 LogRel(("offVirtApicWrite = %#RX16\n", pCtx->hwvirt.vmx.offVirtApicWrite));
819 LogRel(("fVirtNmiBlocking = %RTbool\n", pCtx->hwvirt.vmx.fVirtNmiBlocking));
820 LogRel(("VMCS cache:\n"));
821
822 const char *pszPrefix = " ";
823 /* Header. */
824 {
825 LogRel(("%sHeader:\n", pszPrefix));
826 LogRel((" %sVMCS revision id = %#RX32\n", pszPrefix, pVmcs->u32VmcsRevId));
827 LogRel((" %sVMX-abort id = %#RX32 (%s)\n", pszPrefix, pVmcs->enmVmxAbort, VMXGetAbortDesc(pVmcs->enmVmxAbort)));
828 LogRel((" %sVMCS state = %#x (%s)\n", pszPrefix, pVmcs->fVmcsState, VMXGetVmcsStateDesc(pVmcs->fVmcsState)));
829 }
830
831 /* Control fields. */
832 {
833 /* 16-bit. */
834 LogRel(("%sControl:\n", pszPrefix));
835 LogRel((" %sVPID = %#RX16\n", pszPrefix, pVmcs->u16Vpid));
836 LogRel((" %sPosted intr notify vector = %#RX16\n", pszPrefix, pVmcs->u16PostIntNotifyVector));
837 LogRel((" %sEPTP index = %#RX16\n", pszPrefix, pVmcs->u16EptpIndex));
838
839 /* 32-bit. */
840 LogRel((" %sPin ctls = %#RX32\n", pszPrefix, pVmcs->u32PinCtls));
841 LogRel((" %sProcessor ctls = %#RX32\n", pszPrefix, pVmcs->u32ProcCtls));
842 LogRel((" %sSecondary processor ctls = %#RX32\n", pszPrefix, pVmcs->u32ProcCtls2));
843 LogRel((" %sVM-exit ctls = %#RX32\n", pszPrefix, pVmcs->u32ExitCtls));
844 LogRel((" %sVM-entry ctls = %#RX32\n", pszPrefix, pVmcs->u32EntryCtls));
845 LogRel((" %sException bitmap = %#RX32\n", pszPrefix, pVmcs->u32XcptBitmap));
846 LogRel((" %sPage-fault mask = %#RX32\n", pszPrefix, pVmcs->u32XcptPFMask));
847 LogRel((" %sPage-fault match = %#RX32\n", pszPrefix, pVmcs->u32XcptPFMatch));
848 LogRel((" %sCR3-target count = %RU32\n", pszPrefix, pVmcs->u32Cr3TargetCount));
849 LogRel((" %sVM-exit MSR store count = %RU32\n", pszPrefix, pVmcs->u32ExitMsrStoreCount));
850 LogRel((" %sVM-exit MSR load count = %RU32\n", pszPrefix, pVmcs->u32ExitMsrLoadCount));
851 LogRel((" %sVM-entry MSR load count = %RU32\n", pszPrefix, pVmcs->u32EntryMsrLoadCount));
852 LogRel((" %sVM-entry interruption info = %#RX32\n", pszPrefix, pVmcs->u32EntryIntInfo));
853 {
854 uint32_t const fInfo = pVmcs->u32EntryIntInfo;
855 uint8_t const uType = VMX_ENTRY_INT_INFO_TYPE(fInfo);
856 LogRel((" %sValid = %RTbool\n", pszPrefix, VMX_ENTRY_INT_INFO_IS_VALID(fInfo)));
857 LogRel((" %sType = %#x (%s)\n", pszPrefix, uType, VMXGetEntryIntInfoTypeDesc(uType)));
858 LogRel((" %sVector = %#x\n", pszPrefix, VMX_ENTRY_INT_INFO_VECTOR(fInfo)));
859 LogRel((" %sNMI-unblocking-IRET = %RTbool\n", pszPrefix, VMX_ENTRY_INT_INFO_IS_NMI_UNBLOCK_IRET(fInfo)));
860 LogRel((" %sError-code valid = %RTbool\n", pszPrefix, VMX_ENTRY_INT_INFO_IS_ERROR_CODE_VALID(fInfo)));
861 }
862 LogRel((" %sVM-entry xcpt error-code = %#RX32\n", pszPrefix, pVmcs->u32EntryXcptErrCode));
863 LogRel((" %sVM-entry instr length = %u byte(s)\n", pszPrefix, pVmcs->u32EntryInstrLen));
864 LogRel((" %sTPR threshold = %#RX32\n", pszPrefix, pVmcs->u32TprThreshold));
865 LogRel((" %sPLE gap = %#RX32\n", pszPrefix, pVmcs->u32PleGap));
866 LogRel((" %sPLE window = %#RX32\n", pszPrefix, pVmcs->u32PleWindow));
867
868 /* 64-bit. */
869 LogRel((" %sIO-bitmap A addr = %#RX64\n", pszPrefix, pVmcs->u64AddrIoBitmapA.u));
870 LogRel((" %sIO-bitmap B addr = %#RX64\n", pszPrefix, pVmcs->u64AddrIoBitmapB.u));
871 LogRel((" %sMSR-bitmap addr = %#RX64\n", pszPrefix, pVmcs->u64AddrMsrBitmap.u));
872 LogRel((" %sVM-exit MSR store addr = %#RX64\n", pszPrefix, pVmcs->u64AddrExitMsrStore.u));
873 LogRel((" %sVM-exit MSR load addr = %#RX64\n", pszPrefix, pVmcs->u64AddrExitMsrLoad.u));
874 LogRel((" %sVM-entry MSR load addr = %#RX64\n", pszPrefix, pVmcs->u64AddrEntryMsrLoad.u));
875 LogRel((" %sExecutive VMCS ptr = %#RX64\n", pszPrefix, pVmcs->u64ExecVmcsPtr.u));
876 LogRel((" %sPML addr = %#RX64\n", pszPrefix, pVmcs->u64AddrPml.u));
877 LogRel((" %sTSC offset = %#RX64\n", pszPrefix, pVmcs->u64TscOffset.u));
878 LogRel((" %sVirtual-APIC addr = %#RX64\n", pszPrefix, pVmcs->u64AddrVirtApic.u));
879 LogRel((" %sAPIC-access addr = %#RX64\n", pszPrefix, pVmcs->u64AddrApicAccess.u));
880 LogRel((" %sPosted-intr desc addr = %#RX64\n", pszPrefix, pVmcs->u64AddrPostedIntDesc.u));
881 LogRel((" %sVM-functions control = %#RX64\n", pszPrefix, pVmcs->u64VmFuncCtls.u));
882 LogRel((" %sEPTP ptr = %#RX64\n", pszPrefix, pVmcs->u64EptpPtr.u));
883 LogRel((" %sEOI-exit bitmap 0 addr = %#RX64\n", pszPrefix, pVmcs->u64EoiExitBitmap0.u));
884 LogRel((" %sEOI-exit bitmap 1 addr = %#RX64\n", pszPrefix, pVmcs->u64EoiExitBitmap1.u));
885 LogRel((" %sEOI-exit bitmap 2 addr = %#RX64\n", pszPrefix, pVmcs->u64EoiExitBitmap2.u));
886 LogRel((" %sEOI-exit bitmap 3 addr = %#RX64\n", pszPrefix, pVmcs->u64EoiExitBitmap3.u));
887 LogRel((" %sEPTP-list addr = %#RX64\n", pszPrefix, pVmcs->u64AddrEptpList.u));
888 LogRel((" %sVMREAD-bitmap addr = %#RX64\n", pszPrefix, pVmcs->u64AddrVmreadBitmap.u));
889 LogRel((" %sVMWRITE-bitmap addr = %#RX64\n", pszPrefix, pVmcs->u64AddrVmwriteBitmap.u));
890 LogRel((" %sVirt-Xcpt info addr = %#RX64\n", pszPrefix, pVmcs->u64AddrXcptVeInfo.u));
891 LogRel((" %sXSS-bitmap = %#RX64\n", pszPrefix, pVmcs->u64XssBitmap.u));
892 LogRel((" %sENCLS-exiting bitmap = %#RX64\n", pszPrefix, pVmcs->u64EnclsBitmap.u));
893 LogRel((" %sSPPT pointer = %#RX64\n", pszPrefix, pVmcs->u64SpptPtr.u));
894 LogRel((" %sTSC multiplier = %#RX64\n", pszPrefix, pVmcs->u64TscMultiplier.u));
895
896 /* Natural width. */
897 LogRel((" %sCR0 guest/host mask = %#RX64\n", pszPrefix, pVmcs->u64Cr0Mask.u));
898 LogRel((" %sCR4 guest/host mask = %#RX64\n", pszPrefix, pVmcs->u64Cr4Mask.u));
899 LogRel((" %sCR0 read shadow = %#RX64\n", pszPrefix, pVmcs->u64Cr0ReadShadow.u));
900 LogRel((" %sCR4 read shadow = %#RX64\n", pszPrefix, pVmcs->u64Cr4ReadShadow.u));
901 LogRel((" %sCR3-target 0 = %#RX64\n", pszPrefix, pVmcs->u64Cr3Target0.u));
902 LogRel((" %sCR3-target 1 = %#RX64\n", pszPrefix, pVmcs->u64Cr3Target1.u));
903 LogRel((" %sCR3-target 2 = %#RX64\n", pszPrefix, pVmcs->u64Cr3Target2.u));
904 LogRel((" %sCR3-target 3 = %#RX64\n", pszPrefix, pVmcs->u64Cr3Target3.u));
905 }
906
907 /* Guest state. */
908 {
909 LogRel(("%sGuest state:\n", pszPrefix));
910
911 /* 16-bit. */
912 HMVMX_DUMP_GUEST_SEGREG(pVmcs, Cs, "cs", pszPrefix);
913 HMVMX_DUMP_GUEST_SEGREG(pVmcs, Ss, "ss", pszPrefix);
914 HMVMX_DUMP_GUEST_SEGREG(pVmcs, Es, "es", pszPrefix);
915 HMVMX_DUMP_GUEST_SEGREG(pVmcs, Ds, "ds", pszPrefix);
916 HMVMX_DUMP_GUEST_SEGREG(pVmcs, Fs, "fs", pszPrefix);
917 HMVMX_DUMP_GUEST_SEGREG(pVmcs, Gs, "gs", pszPrefix);
918 HMVMX_DUMP_GUEST_SEGREG(pVmcs, Ldtr, "ldtr", pszPrefix);
919 HMVMX_DUMP_GUEST_SEGREG(pVmcs, Tr, "tr", pszPrefix);
920 HMVMX_DUMP_GUEST_XDTR( pVmcs, Gdtr, "gdtr", pszPrefix);
921 HMVMX_DUMP_GUEST_XDTR( pVmcs, Idtr, "idtr", pszPrefix);
922 LogRel((" %sInterrupt status = %#RX16\n", pszPrefix, pVmcs->u16GuestIntStatus));
923 LogRel((" %sPML index = %#RX16\n", pszPrefix, pVmcs->u16PmlIndex));
924
925 /* 32-bit. */
926 LogRel((" %sInterruptibility state = %#RX32\n", pszPrefix, pVmcs->u32GuestIntrState));
927 LogRel((" %sActivity state = %#RX32\n", pszPrefix, pVmcs->u32GuestActivityState));
928 LogRel((" %sSMBASE = %#RX32\n", pszPrefix, pVmcs->u32GuestSmBase));
929 LogRel((" %sSysEnter CS = %#RX32\n", pszPrefix, pVmcs->u32GuestSysenterCS));
930 LogRel((" %sVMX-preemption timer value = %#RX32\n", pszPrefix, pVmcs->u32PreemptTimer));
931
932 /* 64-bit. */
933 LogRel((" %sVMCS link ptr = %#RX64\n", pszPrefix, pVmcs->u64VmcsLinkPtr.u));
934 LogRel((" %sDBGCTL = %#RX64\n", pszPrefix, pVmcs->u64GuestDebugCtlMsr.u));
935 LogRel((" %sPAT = %#RX64\n", pszPrefix, pVmcs->u64GuestPatMsr.u));
936 LogRel((" %sEFER = %#RX64\n", pszPrefix, pVmcs->u64GuestEferMsr.u));
937 LogRel((" %sPERFGLOBALCTRL = %#RX64\n", pszPrefix, pVmcs->u64GuestPerfGlobalCtlMsr.u));
938 LogRel((" %sPDPTE 0 = %#RX64\n", pszPrefix, pVmcs->u64GuestPdpte0.u));
939 LogRel((" %sPDPTE 1 = %#RX64\n", pszPrefix, pVmcs->u64GuestPdpte1.u));
940 LogRel((" %sPDPTE 2 = %#RX64\n", pszPrefix, pVmcs->u64GuestPdpte2.u));
941 LogRel((" %sPDPTE 3 = %#RX64\n", pszPrefix, pVmcs->u64GuestPdpte3.u));
942 LogRel((" %sBNDCFGS = %#RX64\n", pszPrefix, pVmcs->u64GuestBndcfgsMsr.u));
943 LogRel((" %sRTIT_CTL = %#RX64\n", pszPrefix, pVmcs->u64GuestRtitCtlMsr.u));
944
945 /* Natural width. */
946 LogRel((" %scr0 = %#RX64\n", pszPrefix, pVmcs->u64GuestCr0.u));
947 LogRel((" %scr3 = %#RX64\n", pszPrefix, pVmcs->u64GuestCr3.u));
948 LogRel((" %scr4 = %#RX64\n", pszPrefix, pVmcs->u64GuestCr4.u));
949 LogRel((" %sdr7 = %#RX64\n", pszPrefix, pVmcs->u64GuestDr7.u));
950 LogRel((" %srsp = %#RX64\n", pszPrefix, pVmcs->u64GuestRsp.u));
951 LogRel((" %srip = %#RX64\n", pszPrefix, pVmcs->u64GuestRip.u));
952 LogRel((" %srflags = %#RX64\n", pszPrefix, pVmcs->u64GuestRFlags.u));
953 LogRel((" %sPending debug xcpts = %#RX64\n", pszPrefix, pVmcs->u64GuestPendingDbgXcpts.u));
954 LogRel((" %sSysEnter ESP = %#RX64\n", pszPrefix, pVmcs->u64GuestSysenterEsp.u));
955 LogRel((" %sSysEnter EIP = %#RX64\n", pszPrefix, pVmcs->u64GuestSysenterEip.u));
956 }
957
958 /* Host state. */
959 {
960 LogRel(("%sHost state:\n", pszPrefix));
961
962 /* 16-bit. */
963 LogRel((" %scs = %#RX16\n", pszPrefix, pVmcs->HostCs));
964 LogRel((" %sss = %#RX16\n", pszPrefix, pVmcs->HostSs));
965 LogRel((" %sds = %#RX16\n", pszPrefix, pVmcs->HostDs));
966 LogRel((" %ses = %#RX16\n", pszPrefix, pVmcs->HostEs));
967 HMVMX_DUMP_HOST_FS_GS_TR(pVmcs, Fs, "fs", pszPrefix);
968 HMVMX_DUMP_HOST_FS_GS_TR(pVmcs, Gs, "gs", pszPrefix);
969 HMVMX_DUMP_HOST_FS_GS_TR(pVmcs, Tr, "tr", pszPrefix);
970 HMVMX_DUMP_HOST_XDTR(pVmcs, Gdtr, "gdtr", pszPrefix);
971 HMVMX_DUMP_HOST_XDTR(pVmcs, Idtr, "idtr", pszPrefix);
972
973 /* 32-bit. */
974 LogRel((" %sSysEnter CS = %#RX32\n", pszPrefix, pVmcs->u32HostSysenterCs));
975
976 /* 64-bit. */
977 LogRel((" %sEFER = %#RX64\n", pszPrefix, pVmcs->u64HostEferMsr.u));
978 LogRel((" %sPAT = %#RX64\n", pszPrefix, pVmcs->u64HostPatMsr.u));
979 LogRel((" %sPERFGLOBALCTRL = %#RX64\n", pszPrefix, pVmcs->u64HostPerfGlobalCtlMsr.u));
980
981 /* Natural width. */
982 LogRel((" %scr0 = %#RX64\n", pszPrefix, pVmcs->u64HostCr0.u));
983 LogRel((" %scr3 = %#RX64\n", pszPrefix, pVmcs->u64HostCr3.u));
984 LogRel((" %scr4 = %#RX64\n", pszPrefix, pVmcs->u64HostCr4.u));
985 LogRel((" %sSysEnter ESP = %#RX64\n", pszPrefix, pVmcs->u64HostSysenterEsp.u));
986 LogRel((" %sSysEnter EIP = %#RX64\n", pszPrefix, pVmcs->u64HostSysenterEip.u));
987 LogRel((" %srsp = %#RX64\n", pszPrefix, pVmcs->u64HostRsp.u));
988 LogRel((" %srip = %#RX64\n", pszPrefix, pVmcs->u64HostRip.u));
989 }
990
991 /* Read-only fields. */
992 {
993 LogRel(("%sRead-only data fields:\n", pszPrefix));
994
995 /* 16-bit (none currently). */
996
997 /* 32-bit. */
998 uint32_t const uExitReason = pVmcs->u32RoExitReason;
999 LogRel((" %sExit reason = %u (%s)\n", pszPrefix, uExitReason, HMGetVmxExitName(uExitReason)));
1000 LogRel((" %sExit qualification = %#RX64\n", pszPrefix, pVmcs->u64RoExitQual.u));
1001 LogRel((" %sVM-instruction error = %#RX32\n", pszPrefix, pVmcs->u32RoVmInstrError));
1002 LogRel((" %sVM-exit intr info = %#RX32\n", pszPrefix, pVmcs->u32RoExitIntInfo));
1003 {
1004 uint32_t const fInfo = pVmcs->u32RoExitIntInfo;
1005 uint8_t const uType = VMX_EXIT_INT_INFO_TYPE(fInfo);
1006 LogRel((" %sValid = %RTbool\n", pszPrefix, VMX_EXIT_INT_INFO_IS_VALID(fInfo)));
1007 LogRel((" %sType = %#x (%s)\n", pszPrefix, uType, VMXGetExitIntInfoTypeDesc(uType)));
1008 LogRel((" %sVector = %#x\n", pszPrefix, VMX_EXIT_INT_INFO_VECTOR(fInfo)));
1009 LogRel((" %sNMI-unblocking-IRET = %RTbool\n", pszPrefix, VMX_EXIT_INT_INFO_IS_NMI_UNBLOCK_IRET(fInfo)));
1010 LogRel((" %sError-code valid = %RTbool\n", pszPrefix, VMX_EXIT_INT_INFO_IS_ERROR_CODE_VALID(fInfo)));
1011 }
1012 LogRel((" %sVM-exit intr error-code = %#RX32\n", pszPrefix, pVmcs->u32RoExitIntErrCode));
1013 LogRel((" %sIDT-vectoring info = %#RX32\n", pszPrefix, pVmcs->u32RoIdtVectoringInfo));
1014 {
1015 uint32_t const fInfo = pVmcs->u32RoIdtVectoringInfo;
1016 uint8_t const uType = VMX_IDT_VECTORING_INFO_TYPE(fInfo);
1017 LogRel((" %sValid = %RTbool\n", pszPrefix, VMX_IDT_VECTORING_INFO_IS_VALID(fInfo)));
1018 LogRel((" %sType = %#x (%s)\n", pszPrefix, uType, VMXGetIdtVectoringInfoTypeDesc(uType)));
1019 LogRel((" %sVector = %#x\n", pszPrefix, VMX_IDT_VECTORING_INFO_VECTOR(fInfo)));
1020 LogRel((" %sError-code valid = %RTbool\n", pszPrefix, VMX_IDT_VECTORING_INFO_IS_ERROR_CODE_VALID(fInfo)));
1021 }
1022 LogRel((" %sIDT-vectoring error-code = %#RX32\n", pszPrefix, pVmcs->u32RoIdtVectoringErrCode));
1023 LogRel((" %sVM-exit instruction length = %u bytes\n", pszPrefix, pVmcs->u32RoExitInstrLen));
1024 LogRel((" %sVM-exit instruction info = %#RX64\n", pszPrefix, pVmcs->u32RoExitInstrInfo));
1025
1026 /* 64-bit. */
1027 LogRel((" %sGuest-physical addr = %#RX64\n", pszPrefix, pVmcs->u64RoGuestPhysAddr.u));
1028
1029 /* Natural width. */
1030 LogRel((" %sI/O RCX = %#RX64\n", pszPrefix, pVmcs->u64RoIoRcx.u));
1031 LogRel((" %sI/O RSI = %#RX64\n", pszPrefix, pVmcs->u64RoIoRsi.u));
1032 LogRel((" %sI/O RDI = %#RX64\n", pszPrefix, pVmcs->u64RoIoRdi.u));
1033 LogRel((" %sI/O RIP = %#RX64\n", pszPrefix, pVmcs->u64RoIoRip.u));
1034 LogRel((" %sGuest-linear addr = %#RX64\n", pszPrefix, pVmcs->u64RoGuestLinearAddr.u));
1035 }
1036
1037#undef HMVMX_DUMP_HOST_XDTR
1038#undef HMVMX_DUMP_HOST_FS_GS_TR
1039#undef HMVMX_DUMP_GUEST_SEGREG
1040#undef HMVMX_DUMP_GUEST_XDTR
1041}
1042
1043
1044/**
1045 * Gets the active (in use) VMCS info. object for the specified VCPU.
1046 *
1047 * This is either the guest or nested-guest VMCS info. and need not necessarily
1048 * pertain to the "current" VMCS (in the VMX definition of the term). For instance,
1049 * if the VM-entry failed due to an invalid-guest state, we may have "cleared" the
1050 * current VMCS while returning to ring-3. However, the VMCS info. object for that
1051 * VMCS would still be active and returned here so that we could dump the VMCS
1052 * fields to ring-3 for diagnostics. This function is thus only used to
1053 * distinguish between the nested-guest or guest VMCS.
1054 *
1055 * @returns The active VMCS information.
1056 * @param pVCpu The cross context virtual CPU structure.
1057 *
1058 * @thread EMT.
1059 * @remarks This function may be called with preemption or interrupts disabled!
1060 */
1061VMM_INT_DECL(PVMXVMCSINFO) hmGetVmxActiveVmcsInfo(PVMCPU pVCpu)
1062{
1063 if (!pVCpu->hm.s.vmx.fSwitchedToNstGstVmcs)
1064 return &pVCpu->hm.s.vmx.VmcsInfo;
1065 return &pVCpu->hm.s.vmx.VmcsInfoNstGst;
1066}
1067
1068
1069/**
1070 * Converts a VMX event type into an appropriate TRPM event type.
1071 *
1072 * @returns TRPM event.
1073 * @param uIntInfo The VMX event.
1074 */
1075VMM_INT_DECL(TRPMEVENT) HMVmxEventTypeToTrpmEventType(uint32_t uIntInfo)
1076{
1077 Assert(VMX_IDT_VECTORING_INFO_IS_VALID(uIntInfo));
1078
1079 TRPMEVENT enmTrapType;
1080 uint8_t const uType = VMX_IDT_VECTORING_INFO_TYPE(uIntInfo);
1081 uint8_t const uVector = VMX_IDT_VECTORING_INFO_VECTOR(uIntInfo);
1082
1083 switch (uType)
1084 {
1085 case VMX_IDT_VECTORING_INFO_TYPE_EXT_INT:
1086 enmTrapType = TRPM_HARDWARE_INT;
1087 break;
1088
1089 case VMX_IDT_VECTORING_INFO_TYPE_NMI:
1090 case VMX_IDT_VECTORING_INFO_TYPE_HW_XCPT:
1091 enmTrapType = TRPM_TRAP;
1092 break;
1093
1094 case VMX_IDT_VECTORING_INFO_TYPE_PRIV_SW_XCPT: /* INT1 (ICEBP). */
1095 Assert(uVector == X86_XCPT_DB); NOREF(uVector);
1096 enmTrapType = TRPM_SOFTWARE_INT;
1097 break;
1098
1099 case VMX_IDT_VECTORING_INFO_TYPE_SW_XCPT: /* INT3 (#BP) and INTO (#OF) */
1100 Assert(uVector == X86_XCPT_BP || uVector == X86_XCPT_OF); NOREF(uVector);
1101 enmTrapType = TRPM_SOFTWARE_INT;
1102 break;
1103
1104 case VMX_IDT_VECTORING_INFO_TYPE_SW_INT:
1105 enmTrapType = TRPM_SOFTWARE_INT;
1106 break;
1107
1108 default:
1109 AssertMsgFailed(("Invalid trap type %#x\n", uType));
1110 enmTrapType = TRPM_32BIT_HACK;
1111 break;
1112 }
1113
1114 return enmTrapType;
1115}
1116
1117
1118/**
1119 * Converts a TRPM event type into an appropriate VMX event type.
1120 *
1121 * @returns VMX event type mask.
1122 * @param uVector The event vector.
1123 * @param enmTrpmEvent The TRPM event.
1124 */
1125VMM_INT_DECL(uint32_t) HMTrpmEventTypeToVmxEventType(uint8_t uVector, TRPMEVENT enmTrpmEvent)
1126{
1127 uint32_t uIntInfoType = 0;
1128 if (enmTrpmEvent == TRPM_TRAP)
1129 {
1130 /** @todo r=ramshankar: TRPM currently offers no way to determine a \#DB that was
1131 * generated using INT1 (ICEBP). */
1132 switch (uVector)
1133 {
1134 case X86_XCPT_NMI:
1135 uIntInfoType |= (VMX_IDT_VECTORING_INFO_TYPE_NMI << VMX_IDT_VECTORING_INFO_TYPE_SHIFT);
1136 break;
1137
1138 case X86_XCPT_BP:
1139 case X86_XCPT_OF:
1140 uIntInfoType |= (VMX_IDT_VECTORING_INFO_TYPE_SW_XCPT << VMX_IDT_VECTORING_INFO_TYPE_SHIFT);
1141 break;
1142
1143 case X86_XCPT_PF:
1144 case X86_XCPT_DF:
1145 case X86_XCPT_TS:
1146 case X86_XCPT_NP:
1147 case X86_XCPT_SS:
1148 case X86_XCPT_GP:
1149 case X86_XCPT_AC:
1150 uIntInfoType |= VMX_IDT_VECTORING_INFO_ERROR_CODE_VALID;
1151 RT_FALL_THRU();
1152 default:
1153 uIntInfoType |= (VMX_IDT_VECTORING_INFO_TYPE_HW_XCPT << VMX_IDT_VECTORING_INFO_TYPE_SHIFT);
1154 break;
1155 }
1156 }
1157 else if (enmTrpmEvent == TRPM_HARDWARE_INT)
1158 uIntInfoType |= (VMX_IDT_VECTORING_INFO_TYPE_EXT_INT << VMX_IDT_VECTORING_INFO_TYPE_SHIFT);
1159 else if (enmTrpmEvent == TRPM_SOFTWARE_INT)
1160 {
1161 switch (uVector)
1162 {
1163 case X86_XCPT_BP:
1164 case X86_XCPT_OF:
1165 uIntInfoType |= (VMX_IDT_VECTORING_INFO_TYPE_SW_XCPT << VMX_IDT_VECTORING_INFO_TYPE_SHIFT);
1166 break;
1167
1168 default:
1169 Assert(uVector == X86_XCPT_DB);
1170 uIntInfoType |= (VMX_IDT_VECTORING_INFO_TYPE_SW_INT << VMX_IDT_VECTORING_INFO_TYPE_SHIFT);
1171 break;
1172 }
1173 }
1174 else
1175 AssertMsgFailed(("Invalid TRPM event type %d\n", enmTrpmEvent));
1176 return uIntInfoType;
1177}
1178
1179
1180#ifdef VBOX_WITH_NESTED_HWVIRT_VMX
1181/**
1182 * Notification callback for when a VM-exit happens outside VMX R0 code (e.g. in
1183 * IEM).
1184 *
1185 * @param pVCpu The cross context virtual CPU structure.
1186 *
1187 * @remarks Can be called from ring-0 as well as ring-3.
1188 */
1189VMM_INT_DECL(void) HMNotifyVmxNstGstVmexit(PVMCPU pVCpu)
1190{
1191 LogFlowFunc(("\n"));
1192
1193 /*
1194 * Transitions to ring-3 flag a full CPU-state change except if we transition to ring-3
1195 * in response to a physical CPU interrupt as no changes to the guest-CPU state are
1196 * expected (see VINF_EM_RAW_INTERRUPT handling in hmR0VmxExitToRing3).
1197 *
1198 * However, with nested-guests, the state -can- change on trips to ring-3 for we might
1199 * try to inject a nested-guest physical interrupt and cause a VMX_EXIT_EXT_INT VM-exit
1200 * for the nested-guest from ring-3.
1201 *
1202 * Signalling reload of just the guest-CPU state that changed with the VM-exit is -not-
1203 * sufficient since HM also needs to reload state related to VM-entry/VM-exit controls
1204 * etc. So signal reloading of the entire state. It does not seem worth making this any
1205 * more fine grained at the moment.
1206 */
1207 CPUM_ASSERT_NOT_EXTRN(pVCpu, CPUMCTX_EXTRN_ALL);
1208 ASMAtomicUoOrU64(&pVCpu->hm.s.fCtxChanged, HM_CHANGED_ALL_GUEST);
1209
1210 /*
1211 * Make sure we need to merge the guest VMCS controls with the nested-guest
1212 * VMCS controls on the next nested-guest VM-entry.
1213 */
1214 pVCpu->hm.s.vmx.fMergedNstGstCtls = false;
1215
1216 /*
1217 * Flush the TLB before entering the outer guest execution (mainly required since the
1218 * APIC-access guest-physical address would have changed and probably more things in
1219 * the future).
1220 */
1221 pVCpu->hm.s.vmx.fSwitchedNstGstFlushTlb = true;
1222
1223 /** @todo Handle releasing of the page-mapping lock later. */
1224#if 0
1225 if (pVCpu->hm.s.vmx.fVirtApicPageLocked)
1226 {
1227 PGMPhysReleasePageMappingLock(pVCpu->CTX_SUFF(pVM), &pVCpu->hm.s.vmx.PgMapLockVirtApic);
1228 pVCpu->hm.s.vmx.fVirtApicPageLocked = false;
1229 }
1230#endif
1231}
1232
1233
1234/**
1235 * Notification callback for when the guest hypervisor's current VMCS is loaded or
1236 * changed outside VMX R0 code (e.g. in IEM).
1237 *
1238 * This need -not- be called for modifications to the guest hypervisor's current
1239 * VMCS when the guest is in VMX non-root mode as VMCS shadowing is not applicable
1240 * there.
1241 *
1242 * @param pVCpu The cross context virtual CPU structure.
1243 *
1244 * @remarks Can be called from ring-0 as well as ring-3.
1245 */
1246VMM_INT_DECL(void) HMNotifyVmxNstGstCurrentVmcsChanged(PVMCPU pVCpu)
1247{
1248 CPUM_ASSERT_NOT_EXTRN(pVCpu, CPUMCTX_EXTRN_HWVIRT);
1249 ASMAtomicUoOrU64(&pVCpu->hm.s.fCtxChanged, CPUMCTX_EXTRN_HWVIRT);
1250
1251 /*
1252 * Make sure we need to copy the guest hypervisor's current VMCS into the shadow VMCS
1253 * on the next guest VM-entry.
1254 */
1255 pVCpu->hm.s.vmx.fCopiedNstGstToShadowVmcs = false;
1256}
1257
1258#endif /* VBOX_WITH_NESTED_HWVIRT_VMX */
1259
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