VirtualBox

source: vbox/trunk/src/VBox/VMM/HWACCM.cpp@ 13813

Last change on this file since 13813 was 13778, checked in by vboxsync, 16 years ago

Per VCPU init/term.
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File size: 58.6 KB
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1/* $Id: HWACCM.cpp 13778 2008-11-04 09:45:27Z vboxsync $ */
2/** @file
3 * HWACCM - Intel/AMD VM Hardware Support Manager
4 */
5
6/*
7 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18 * Clara, CA 95054 USA or visit http://www.sun.com if you need
19 * additional information or have any questions.
20 */
21
22/*******************************************************************************
23* Header Files *
24*******************************************************************************/
25#define LOG_GROUP LOG_GROUP_HWACCM
26#include <VBox/cpum.h>
27#include <VBox/stam.h>
28#include <VBox/mm.h>
29#include <VBox/pdm.h>
30#include <VBox/pgm.h>
31#include <VBox/trpm.h>
32#include <VBox/dbgf.h>
33#include <VBox/patm.h>
34#include <VBox/csam.h>
35#include <VBox/selm.h>
36#include <VBox/rem.h>
37#include <VBox/hwacc_vmx.h>
38#include <VBox/hwacc_svm.h>
39#include "HWACCMInternal.h"
40#include <VBox/vm.h>
41#include <VBox/err.h>
42#include <VBox/param.h>
43
44#include <iprt/assert.h>
45#include <VBox/log.h>
46#include <iprt/asm.h>
47#include <iprt/string.h>
48#include <iprt/thread.h>
49
50/*******************************************************************************
51* Internal Functions *
52*******************************************************************************/
53static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM);
54static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version);
55
56
57/**
58 * Initializes the HWACCM.
59 *
60 * @returns VBox status code.
61 * @param pVM The VM to operate on.
62 */
63VMMR3DECL(int) HWACCMR3Init(PVM pVM)
64{
65 LogFlow(("HWACCMR3Init\n"));
66
67 /*
68 * Assert alignment and sizes.
69 */
70 AssertRelease(!(RT_OFFSETOF(VM, hwaccm.s) & 31));
71 AssertRelease(sizeof(pVM->hwaccm.s) <= sizeof(pVM->hwaccm.padding));
72
73 /* Some structure checks. */
74 AssertMsg(RT_OFFSETOF(SVM_VMCB, u8Reserved3) == 0xC0, ("u8Reserved3 offset = %x\n", RT_OFFSETOF(SVM_VMCB, u8Reserved3)));
75 AssertMsg(RT_OFFSETOF(SVM_VMCB, ctrl.EventInject) == 0xA8, ("ctrl.EventInject offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.EventInject)));
76 AssertMsg(RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo) == 0x88, ("ctrl.ExitIntInfo offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo)));
77 AssertMsg(RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl) == 0x58, ("ctrl.TLBCtrl offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl)));
78
79 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest) == 0x400, ("guest offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest)));
80 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved4) == 0x4A0, ("guest.u8Reserved4 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved4)));
81 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved6) == 0x4D8, ("guest.u8Reserved6 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved6)));
82 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved7) == 0x580, ("guest.u8Reserved7 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved7)));
83 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved9) == 0x648, ("guest.u8Reserved9 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved9)));
84 AssertMsg(RT_OFFSETOF(SVM_VMCB, u8Reserved10) == 0x698, ("u8Reserved3 offset = %x\n", RT_OFFSETOF(SVM_VMCB, u8Reserved10)));
85 AssertMsg(sizeof(SVM_VMCB) == 0x1000, ("SVM_VMCB size = %x\n", sizeof(SVM_VMCB)));
86
87
88 /*
89 * Register the saved state data unit.
90 */
91 int rc = SSMR3RegisterInternal(pVM, "HWACCM", 0, HWACCM_SSM_VERSION, sizeof(HWACCM),
92 NULL, hwaccmR3Save, NULL,
93 NULL, hwaccmR3Load, NULL);
94 if (VBOX_FAILURE(rc))
95 return rc;
96
97 /* Misc initialisation. */
98 pVM->hwaccm.s.vmx.fSupported = false;
99 pVM->hwaccm.s.svm.fSupported = false;
100 pVM->hwaccm.s.vmx.fEnabled = false;
101 pVM->hwaccm.s.svm.fEnabled = false;
102
103 pVM->hwaccm.s.fActive = false;
104 pVM->hwaccm.s.fNestedPaging = false;
105
106 /* On first entry we'll sync everything. */
107 pVM->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
108
109 pVM->hwaccm.s.vmx.cr0_mask = 0;
110 pVM->hwaccm.s.vmx.cr4_mask = 0;
111
112 /*
113 * Statistics.
114 */
115 STAM_REG(pVM, &pVM->hwaccm.s.StatEntry, STAMTYPE_PROFILE, "/PROF/HWACCM/SwitchToGC", STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode entry");
116 STAM_REG(pVM, &pVM->hwaccm.s.StatExit, STAMTYPE_PROFILE, "/PROF/HWACCM/SwitchFromGC", STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit");
117 STAM_REG(pVM, &pVM->hwaccm.s.StatInGC, STAMTYPE_PROFILE, "/PROF/HWACCM/InGC", STAMUNIT_TICKS_PER_CALL, "Profiling of vmlaunch");
118
119 STAM_REG(pVM, &pVM->hwaccm.s.StatExitShadowNM, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Shadow/#NM", STAMUNIT_OCCURENCES, "Nr of occurances");
120 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestNM, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#NM", STAMUNIT_OCCURENCES, "Nr of occurances");
121 STAM_REG(pVM, &pVM->hwaccm.s.StatExitShadowPF, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Shadow/#PF", STAMUNIT_OCCURENCES, "Nr of occurances");
122 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestPF, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#PF", STAMUNIT_OCCURENCES, "Nr of occurances");
123 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestUD, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#UD", STAMUNIT_OCCURENCES, "Nr of occurances");
124 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestSS, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#SS", STAMUNIT_OCCURENCES, "Nr of occurances");
125 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestNP, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#NP", STAMUNIT_OCCURENCES, "Nr of occurances");
126 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestGP, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#GP", STAMUNIT_OCCURENCES, "Nr of occurances");
127 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestMF, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#MF", STAMUNIT_OCCURENCES, "Nr of occurances");
128 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestDE, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#DE", STAMUNIT_OCCURENCES, "Nr of occurances");
129 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestDB, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#DB", STAMUNIT_OCCURENCES, "Nr of occurances");
130 STAM_REG(pVM, &pVM->hwaccm.s.StatExitInvpg, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Invlpg", STAMUNIT_OCCURENCES, "Nr of occurances");
131 STAM_REG(pVM, &pVM->hwaccm.s.StatExitInvd, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Invd", STAMUNIT_OCCURENCES, "Nr of occurances");
132 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCpuid, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Cpuid", STAMUNIT_OCCURENCES, "Nr of occurances");
133 STAM_REG(pVM, &pVM->hwaccm.s.StatExitRdtsc, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Rdtsc", STAMUNIT_OCCURENCES, "Nr of occurances");
134 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCRxWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/CRx/Write", STAMUNIT_OCCURENCES, "Nr of occurances");
135 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCRxRead, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/CRx/Read", STAMUNIT_OCCURENCES, "Nr of occurances");
136 STAM_REG(pVM, &pVM->hwaccm.s.StatExitDRxWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/DRx/Write", STAMUNIT_OCCURENCES, "Nr of occurances");
137 STAM_REG(pVM, &pVM->hwaccm.s.StatExitDRxRead, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/DRx/Read", STAMUNIT_OCCURENCES, "Nr of occurances");
138 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCLTS, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/CLTS", STAMUNIT_OCCURENCES, "Nr of occurances");
139 STAM_REG(pVM, &pVM->hwaccm.s.StatExitLMSW, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/LMSW", STAMUNIT_OCCURENCES, "Nr of occurances");
140 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIOWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/Write", STAMUNIT_OCCURENCES, "Nr of occurances");
141 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIORead, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/Read", STAMUNIT_OCCURENCES, "Nr of occurances");
142 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIOStringWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/WriteString", STAMUNIT_OCCURENCES, "Nr of occurances");
143 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIOStringRead, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/ReadString", STAMUNIT_OCCURENCES, "Nr of occurances");
144 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIrqWindow, STAMTYPE_COUNTER, "/HWACCM/Exit/GuestIrq/Pending", STAMUNIT_OCCURENCES, "Nr of occurances");
145 STAM_REG(pVM, &pVM->hwaccm.s.StatExitMaxResume, STAMTYPE_COUNTER, "/HWACCM/Exit/Safety/MaxResume", STAMUNIT_OCCURENCES, "Nr of occurances");
146
147 STAM_REG(pVM, &pVM->hwaccm.s.StatSwitchGuestIrq,STAMTYPE_COUNTER, "/HWACCM/Switch/IrqPending", STAMUNIT_OCCURENCES, "Nr of occurances");
148 STAM_REG(pVM, &pVM->hwaccm.s.StatSwitchToR3, STAMTYPE_COUNTER, "/HWACCM/Switch/ToR3", STAMUNIT_OCCURENCES, "Nr of occurances");
149
150 STAM_REG(pVM, &pVM->hwaccm.s.StatIntInject, STAMTYPE_COUNTER, "/HWACCM/Irq/Inject", STAMUNIT_OCCURENCES, "Nr of occurances");
151 STAM_REG(pVM, &pVM->hwaccm.s.StatIntReinject, STAMTYPE_COUNTER, "/HWACCM/Irq/Reinject", STAMUNIT_OCCURENCES, "Nr of occurances");
152 STAM_REG(pVM, &pVM->hwaccm.s.StatPendingHostIrq,STAMTYPE_COUNTER, "/HWACCM/Irq/PendingOnHost", STAMUNIT_OCCURENCES, "Nr of occurances");
153
154 STAM_REG(pVM, &pVM->hwaccm.s.StatFlushPageManual, STAMTYPE_COUNTER, "/HWACCM/Flush/Page/Virt/Manual", STAMUNIT_OCCURENCES, "Nr of occurances");
155 STAM_REG(pVM, &pVM->hwaccm.s.StatFlushPhysPageManual, STAMTYPE_COUNTER, "/HWACCM/Flush/Page/Phys/Manual", STAMUNIT_OCCURENCES, "Nr of occurances");
156 STAM_REG(pVM, &pVM->hwaccm.s.StatFlushTLBManual, STAMTYPE_COUNTER, "/HWACCM/Flush/TLB/Manual", STAMUNIT_OCCURENCES, "Nr of occurances");
157 STAM_REG(pVM, &pVM->hwaccm.s.StatFlushTLBCRxChange, STAMTYPE_COUNTER, "/HWACCM/Flush/TLB/CRx", STAMUNIT_OCCURENCES, "Nr of occurances");
158 STAM_REG(pVM, &pVM->hwaccm.s.StatFlushPageInvlpg, STAMTYPE_COUNTER, "/HWACCM/Flush/Page/Invlpg", STAMUNIT_OCCURENCES, "Nr of occurances");
159 STAM_REG(pVM, &pVM->hwaccm.s.StatFlushTLBWorldSwitch, STAMTYPE_COUNTER, "/HWACCM/Flush/TLB/Switch", STAMUNIT_OCCURENCES, "Nr of occurances");
160 STAM_REG(pVM, &pVM->hwaccm.s.StatNoFlushTLBWorldSwitch, STAMTYPE_COUNTER, "/HWACCM/Flush/TLB/Skipped", STAMUNIT_OCCURENCES, "Nr of occurances");
161 STAM_REG(pVM, &pVM->hwaccm.s.StatFlushASID, STAMTYPE_COUNTER, "/HWACCM/Flush/TLB/ASID", STAMUNIT_OCCURENCES, "Nr of occurances");
162 STAM_REG(pVM, &pVM->hwaccm.s.StatFlushTLBInvlpga, STAMTYPE_COUNTER, "/HWACCM/Flush/TLB/PhysInvlpg", STAMUNIT_OCCURENCES, "Nr of occurances");
163
164 STAM_REG(pVM, &pVM->hwaccm.s.StatTSCOffset, STAMTYPE_COUNTER, "/HWACCM/TSC/Offset", STAMUNIT_OCCURENCES, "Nr of occurances");
165 STAM_REG(pVM, &pVM->hwaccm.s.StatTSCIntercept, STAMTYPE_COUNTER, "/HWACCM/TSC/Intercept", STAMUNIT_OCCURENCES, "Nr of occurances");
166
167 STAM_REG(pVM, &pVM->hwaccm.s.StatDRxArmed, STAMTYPE_COUNTER, "/HWACCM/Debug/Armed", STAMUNIT_OCCURENCES, "Nr of occurances");
168 STAM_REG(pVM, &pVM->hwaccm.s.StatDRxContextSwitch, STAMTYPE_COUNTER, "/HWACCM/Debug/ContextSwitch", STAMUNIT_OCCURENCES, "Nr of occurances");
169 STAM_REG(pVM, &pVM->hwaccm.s.StatDRxIOCheck, STAMTYPE_COUNTER, "/HWACCM/Debug/IOCheck", STAMUNIT_OCCURENCES, "Nr of occurances");
170
171 pVM->hwaccm.s.paStatExitReason = NULL;
172
173#ifdef VBOX_WITH_STATISTICS
174 rc = MMHyperAlloc(pVM, MAX_EXITREASON_STAT*sizeof(*pVM->hwaccm.s.paStatExitReason), 0, MM_TAG_HWACCM, (void **)&pVM->hwaccm.s.paStatExitReason);
175 AssertRC(rc);
176 if (VBOX_SUCCESS(rc))
177 {
178 for (int i=0;i<MAX_EXITREASON_STAT;i++)
179 {
180 int rc = STAMR3RegisterF(pVM, &pVM->hwaccm.s.paStatExitReason[i], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Exit reason",
181 "/HWACCM/Exit/Reason/%02x", i);
182 AssertRC(rc);
183 }
184 int rc = STAMR3Register(pVM, &pVM->hwaccm.s.StatExitReasonNPF, STAMTYPE_COUNTER, STAMVISIBILITY_USED, "/HWACCM/Exit/Reason/#NPF", STAMUNIT_OCCURENCES, "Exit reason");
185 AssertRC(rc);
186 }
187 pVM->hwaccm.s.paStatExitReasonR0 = MMHyperR3ToR0(pVM, pVM->hwaccm.s.paStatExitReason);
188 Assert(pVM->hwaccm.s.paStatExitReasonR0);
189#endif
190
191 /* Disabled by default. */
192 pVM->fHWACCMEnabled = false;
193
194 /*
195 * Check CFGM options.
196 */
197 /* Nested paging: disabled by default. */
198 rc = CFGMR3QueryBoolDef(CFGMR3GetRoot(pVM), "EnableNestedPaging", &pVM->hwaccm.s.fAllowNestedPaging, false);
199 AssertRC(rc);
200
201 /* VT-x VPID: disabled by default. */
202 rc = CFGMR3QueryBoolDef(CFGMR3GetRoot(pVM), "EnableVPID", &pVM->hwaccm.s.fAllowVPID, false);
203 AssertRC(rc);
204
205 /* HWACCM support must be explicitely enabled in the configuration file. */
206 rc = CFGMR3QueryBoolDef(CFGMR3GetChild(CFGMR3GetRoot(pVM), "HWVirtExt/"), "Enabled", &pVM->hwaccm.s.fAllowed, false);
207 AssertRC(rc);
208
209 return VINF_SUCCESS;
210}
211
212/**
213 * Initializes the per-VCPU HWACCM.
214 *
215 * @returns VBox status code.
216 * @param pVM The VM to operate on.
217 */
218VMMR3DECL(int) HWACCMR3InitCPU(PVM pVM)
219{
220 LogFlow(("HWACCMR3InitCPU\n"));
221 return VINF_SUCCESS;
222}
223
224/**
225 * Turns off normal raw mode features
226 *
227 * @param pVM The VM to operate on.
228 */
229static void hwaccmR3DisableRawMode(PVM pVM)
230{
231 /* Disable PATM & CSAM. */
232 PATMR3AllowPatching(pVM, false);
233 CSAMDisableScanning(pVM);
234
235 /* Turn off IDT/LDT/GDT and TSS monitoring and sycing. */
236 SELMR3DisableMonitoring(pVM);
237 TRPMR3DisableMonitoring(pVM);
238
239 /* The hidden selector registers are now valid. */
240 CPUMSetHiddenSelRegsValid(pVM, true);
241
242 /* Disable the switcher code (safety precaution). */
243 VMMR3DisableSwitcher(pVM);
244
245 /* Disable mapping of the hypervisor into the shadow page table. */
246 PGMR3ChangeShwPDMappings(pVM, false);
247
248 /* Disable the switcher */
249 VMMR3DisableSwitcher(pVM);
250
251 if (pVM->hwaccm.s.fNestedPaging)
252 {
253 /* Reinit the paging mode to force the new shadow mode. */
254 PGMR3ChangeMode(pVM, PGMMODE_REAL);
255 }
256}
257
258/**
259 * Initialize VT-x or AMD-V.
260 *
261 * @returns VBox status code.
262 * @param pVM The VM handle.
263 */
264VMMR3DECL(int) HWACCMR3InitFinalizeR0(PVM pVM)
265{
266 int rc;
267
268 if ( !pVM->hwaccm.s.vmx.fSupported
269 && !pVM->hwaccm.s.svm.fSupported)
270 {
271 LogRel(("HWACCM: No VMX or SVM CPU extension found. Reason %Vrc\n", pVM->hwaccm.s.lLastError));
272 LogRel(("HWACCM: VMX MSR_IA32_FEATURE_CONTROL=%VX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
273 return VINF_SUCCESS;
274 }
275
276 /*
277 * Note that we have a global setting for VT-x/AMD-V usage. VMX root mode changes the way the CPU operates. Our 64 bits switcher will trap
278 * because it turns off paging, which is not allowed in VMX root mode.
279 *
280 * To simplify matters we'll just force all running VMs to either use raw or VT-x mode. No mixing allowed in the VT-x case.
281 * There's no such problem with AMD-V. (@todo)
282 *
283 */
284 /* If we enabled or disabled hwaccm mode, then it can't be changed until all the VMs are shutdown. */
285 rc = SUPCallVMMR0Ex(pVM->pVMR0, VMMR0_DO_HWACC_ENABLE, (pVM->hwaccm.s.fAllowed) ? HWACCMSTATE_ENABLED : HWACCMSTATE_DISABLED, NULL);
286 if (VBOX_FAILURE(rc))
287 {
288 LogRel(("HWACCMR3InitFinalize: SUPCallVMMR0Ex VMMR0_DO_HWACC_ENABLE failed with %Vrc\n", rc));
289 LogRel(("HWACCMR3InitFinalize: disallowed %s of HWACCM\n", pVM->hwaccm.s.fAllowed ? "enabling" : "disabling"));
290 /* Invert the selection */
291 pVM->hwaccm.s.fAllowed ^= 1;
292 LogRel(("HWACCMR3InitFinalize: new HWACCM status = %s\n", pVM->hwaccm.s.fAllowed ? "enabled" : "disabled"));
293
294 if (pVM->hwaccm.s.fAllowed)
295 {
296 if (pVM->hwaccm.s.vmx.fSupported)
297 VMSetRuntimeError(pVM, false, "HwAccmModeChangeDisallowed", "An active VM already uses Intel VT-x hardware acceleration. It is not allowed to simultaneously use software virtualization, therefore this VM will be run using VT-x as well.\n");
298 else
299 VMSetRuntimeError(pVM, false, "HwAccmModeChangeDisallowed", "An active VM already uses AMD-V hardware acceleration. It is not allowed to simultaneously use software virtualization, therefore this VM will be run using AMD-V as well.\n");
300 }
301 else
302 VMSetRuntimeError(pVM, false, "HwAccmModeChangeDisallowed", "An active VM already uses software virtualization. It is not allowed to simultaneously use VT-x or AMD-V, therefore this VM will be run using software virtualization as well.\n");
303 }
304
305 if (pVM->hwaccm.s.fAllowed == false)
306 return VINF_SUCCESS; /* disabled */
307
308 Assert(!pVM->fHWACCMEnabled);
309
310 if (pVM->hwaccm.s.vmx.fSupported)
311 {
312 Log(("pVM->hwaccm.s.vmx.fSupported = %d\n", pVM->hwaccm.s.vmx.fSupported));
313
314 if ( pVM->hwaccm.s.fInitialized == false
315 && pVM->hwaccm.s.vmx.msr.feature_ctrl != 0)
316 {
317 uint64_t val;
318 RTGCPHYS GCPhys = 0;
319
320 LogRel(("HWACCM: Host CR4=%08X\n", pVM->hwaccm.s.vmx.hostCR4));
321 LogRel(("HWACCM: MSR_IA32_FEATURE_CONTROL = %VX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
322 LogRel(("HWACCM: MSR_IA32_VMX_BASIC_INFO = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_basic_info));
323 LogRel(("HWACCM: VMCS id = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_ID(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
324 LogRel(("HWACCM: VMCS size = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
325 LogRel(("HWACCM: VMCS physical address limit = %s\n", MSR_IA32_VMX_BASIC_INFO_VMCS_PHYS_WIDTH(pVM->hwaccm.s.vmx.msr.vmx_basic_info) ? "< 4 GB" : "None"));
326 LogRel(("HWACCM: VMCS memory type = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
327 LogRel(("HWACCM: Dual monitor treatment = %d\n", MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
328
329 LogRel(("HWACCM: MSR_IA32_VMX_PINBASED_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.u));
330 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.allowed1;
331 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
332 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT\n"));
333 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
334 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT\n"));
335 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.disallowed0;
336 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
337 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT *must* be set\n"));
338 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
339 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT *must* be set\n"));
340
341 LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.u));
342 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1;
343 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
344 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT\n"));
345 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
346 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET\n"));
347 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
348 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT\n"));
349 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
350 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT\n"));
351 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
352 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT\n"));
353 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
354 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT\n"));
355 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
356 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT\n"));
357 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
358 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT\n"));
359 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
360 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT\n"));
361 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
362 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT\n"));
363 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
364 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT\n"));
365 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
366 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW\n"));
367 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
368 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT\n"));
369 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
370 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT\n"));
371 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
372 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS\n"));
373 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
374 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG\n"));
375 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
376 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS\n"));
377 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
378 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT\n"));
379 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
380 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT\n"));
381 if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
382 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL\n"));
383
384 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.disallowed0;
385 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
386 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT *must* be set\n"));
387 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
388 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET *must* be set\n"));
389 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
390 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT *must* be set\n"));
391 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
392 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT *must* be set\n"));
393 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
394 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT *must* be set\n"));
395 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
396 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT *must* be set\n"));
397 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
398 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT *must* be set\n"));
399 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
400 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT *must* be set\n"));
401 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
402 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT *must* be set\n"));
403 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
404 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT *must* be set\n"));
405 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
406 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT *must* be set\n"));
407 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
408 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW *must* be set\n"));
409 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
410 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT *must* be set\n"));
411 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
412 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT *must* be set\n"));
413 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
414 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS *must* be set\n"));
415 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
416 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG *must* be set\n"));
417 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
418 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS *must* be set\n"));
419 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
420 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT *must* be set\n"));
421 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
422 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT *must* be set\n"));
423 if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
424 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL *must* be set\n"));
425
426 if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
427 {
428 LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS2 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.u));
429 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1;
430 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
431 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC\n"));
432 if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
433 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT\n"));
434 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
435 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID\n"));
436 if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
437 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT\n"));
438
439 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.disallowed0;
440 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
441 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC *must* be set\n"));
442 if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
443 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT *must* be set\n"));
444 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
445 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID *must* be set\n"));
446 if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
447 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT *must* be set\n"));
448 }
449
450 LogRel(("HWACCM: MSR_IA32_VMX_ENTRY_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_entry.u));
451 val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.allowed1;
452 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
453 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG\n"));
454 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
455 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE\n"));
456 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
457 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM\n"));
458 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
459 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON\n"));
460 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
461 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR\n"));
462 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
463 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR\n"));
464 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
465 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR\n"));
466 val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.disallowed0;
467 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
468 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG *must* be set\n"));
469 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
470 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE *must* be set\n"));
471 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
472 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM *must* be set\n"));
473 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
474 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON *must* be set\n"));
475 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
476 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR *must* be set\n"));
477 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
478 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR *must* be set\n"));
479 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
480 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR *must* be set\n"));
481
482 LogRel(("HWACCM: MSR_IA32_VMX_EXIT_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_exit.u));
483 val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.allowed1;
484 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
485 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG\n"));
486 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
487 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64\n"));
488 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
489 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ\n"));
490 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
491 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR\n"));
492 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
493 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR\n"));
494 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
495 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR\n"));
496 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
497 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR\n"));
498 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
499 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER\n"));
500 val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.disallowed0;
501 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
502 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG *must* be set\n"));
503 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
504 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 *must* be set\n"));
505 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
506 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ *must* be set\n"));
507 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
508 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR *must* be set\n"));
509 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
510 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR *must* be set\n"));
511 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
512 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR *must* be set\n"));
513 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
514 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR *must* be set\n"));
515 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
516 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER *must* be set\n"));
517
518 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps)
519 {
520 LogRel(("HWACCM: MSR_IA32_VMX_EPT_VPID_CAPS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_eptcaps));
521
522 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY)
523 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY\n"));
524 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY)
525 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY\n"));
526 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY)
527 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY\n"));
528 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS)
529 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS\n"));
530 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS)
531 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS\n"));
532 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS)
533 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS\n"));
534 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS)
535 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS\n"));
536 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS)
537 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS\n"));
538 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_UC)
539 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_UC\n"));
540 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WC)
541 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WC\n"));
542 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WT)
543 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WT\n"));
544 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WP)
545 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WP\n"));
546 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WB)
547 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WB\n"));
548 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_21_BITS)
549 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_21_BITS\n"));
550 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_30_BITS)
551 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_30_BITS\n"));
552 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_39_BITS)
553 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_39_BITS\n"));
554 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_48_BITS)
555 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_48_BITS\n"));
556 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT)
557 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT\n"));
558 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV)
559 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV\n"));
560 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT)
561 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT\n"));
562 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL)
563 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL\n"));
564 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID)
565 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID\n"));
566 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV)
567 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV\n"));
568 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT)
569 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT\n"));
570 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL)
571 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL\n"));
572 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL)
573 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL\n"));
574 }
575
576 LogRel(("HWACCM: MSR_IA32_VMX_MISC = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_misc));
577 LogRel(("HWACCM: MSR_IA32_VMX_MISC_ACTIVITY_STATES %x\n", MSR_IA32_VMX_MISC_ACTIVITY_STATES(pVM->hwaccm.s.vmx.msr.vmx_misc)));
578 LogRel(("HWACCM: MSR_IA32_VMX_MISC_CR3_TARGET %x\n", MSR_IA32_VMX_MISC_CR3_TARGET(pVM->hwaccm.s.vmx.msr.vmx_misc)));
579 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MAX_MSR %x\n", MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc)));
580 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MSEG_ID %x\n", MSR_IA32_VMX_MISC_MSEG_ID(pVM->hwaccm.s.vmx.msr.vmx_misc)));
581
582 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED0 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0));
583 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED1 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1));
584 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED0 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0));
585 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED1 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1));
586 LogRel(("HWACCM: MSR_IA32_VMX_VMCS_ENUM = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_vmcs_enum));
587
588 LogRel(("HWACCM: VMCS physaddr = %VHp\n", pVM->hwaccm.s.vmx.pVMCSPhys));
589 LogRel(("HWACCM: TPR shadow physaddr = %VHp\n", pVM->hwaccm.s.vmx.pAPICPhys));
590 LogRel(("HWACCM: MSR bitmap physaddr = %VHp\n", pVM->hwaccm.s.vmx.pMSRBitmapPhys));
591
592#ifdef HWACCM_VTX_WITH_EPT
593 if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
594 pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
595#endif /* HWACCM_VTX_WITH_EPT */
596#ifdef HWACCM_VTX_WITH_VPID
597 if ( (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
598 && !pVM->hwaccm.s.fNestedPaging) /* VPID and EPT are mutually exclusive. */
599 pVM->hwaccm.s.vmx.fVPID = pVM->hwaccm.s.fAllowVPID;
600#endif /* HWACCM_VTX_WITH_VPID */
601
602 /* Only try once. */
603 pVM->hwaccm.s.fInitialized = true;
604
605 /* Allocate three pages for the TSS we need for real mode emulation. (2 page for the IO bitmap) */
606 rc = PDMR3VMMDevHeapAlloc(pVM, HWACCM_VTX_TOTAL_DEVHEAP_MEM, (RTR3PTR *)&pVM->hwaccm.s.vmx.pRealModeTSS);
607 AssertRC(rc);
608 if (RT_FAILURE(rc))
609 return rc;
610
611 /* The I/O bitmap starts right after the virtual interrupt redirection bitmap. */
612 ASMMemZero32(pVM->hwaccm.s.vmx.pRealModeTSS, sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS));
613 pVM->hwaccm.s.vmx.pRealModeTSS->offIoBitmap = sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS);
614 /* Bit set to 0 means redirection enabled. */
615 memset(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap, 0x0, sizeof(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap));
616 /* Allow all port IO, so the VT-x IO intercepts do their job. */
617 memset(pVM->hwaccm.s.vmx.pRealModeTSS + 1, 0, PAGE_SIZE*2);
618 *((unsigned char *)pVM->hwaccm.s.vmx.pRealModeTSS + HWACCM_VTX_TSS_SIZE - 2) = 0xff;
619
620 /* Construct a 1024 element page directory with 4 MB pages for the identity mapped page table used in
621 * real and protected mode without paging with EPT.
622 */
623 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = (PX86PD)((char *)pVM->hwaccm.s.vmx.pRealModeTSS + PAGE_SIZE * 3);
624 for (unsigned i=0;i<X86_PG_ENTRIES;i++)
625 {
626 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable->a[i].u = _4M * i;
627 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable->a[i].u |= X86_PDE4M_P | X86_PDE4M_RW | X86_PDE4M_US | X86_PDE4M_A | X86_PDE4M_D | X86_PDE4M_PS | X86_PDE4M_G;
628 }
629
630 /* We convert it here every time as pci regions could be reconfigured. */
631 rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pRealModeTSS, &GCPhys);
632 AssertRC(rc);
633 LogRel(("HWACCM: Real Mode TSS guest physaddr = %VGp\n", GCPhys));
634
635 rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable, &GCPhys);
636 AssertRC(rc);
637 LogRel(("HWACCM: Non-Paging Mode EPT CR3 = %VGp\n", GCPhys));
638
639 rc = SUPCallVMMR0Ex(pVM->pVMR0, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
640 AssertRC(rc);
641 if (rc == VINF_SUCCESS)
642 {
643 pVM->fHWACCMEnabled = true;
644 pVM->hwaccm.s.vmx.fEnabled = true;
645 hwaccmR3DisableRawMode(pVM);
646
647 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
648#ifdef VBOX_ENABLE_64_BITS_GUESTS
649 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
650 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
651 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL); /* 64 bits only on Intel CPUs */
652 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
653 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
654#endif
655 LogRel(("HWACCM: VMX enabled!\n"));
656 if (pVM->hwaccm.s.fNestedPaging)
657 {
658 LogRel(("HWACCM: Enabled nested paging\n"));
659 LogRel(("HWACCM: EPT root page = %VHp\n", PGMGetEPTCR3(pVM)));
660 }
661 if (pVM->hwaccm.s.vmx.fVPID)
662 LogRel(("HWACCM: Enabled VPID\n"));
663
664 if ( pVM->hwaccm.s.fNestedPaging
665 || pVM->hwaccm.s.vmx.fVPID)
666 {
667 LogRel(("HWACCM: enmFlushPage %d\n", pVM->hwaccm.s.vmx.enmFlushPage));
668 LogRel(("HWACCM: enmFlushContext %d\n", pVM->hwaccm.s.vmx.enmFlushContext));
669 }
670 }
671 else
672 {
673 LogRel(("HWACCM: VMX setup failed with rc=%Vrc!\n", rc));
674 LogRel(("HWACCM: Last instruction error %x\n", pVM->hwaccm.s.vmx.ulLastInstrError));
675 pVM->fHWACCMEnabled = false;
676 }
677 }
678 }
679 else
680 if (pVM->hwaccm.s.svm.fSupported)
681 {
682 Log(("pVM->hwaccm.s.svm.fSupported = %d\n", pVM->hwaccm.s.svm.fSupported));
683
684 if (pVM->hwaccm.s.fInitialized == false)
685 {
686 /* Erratum 170 which requires a forced TLB flush for each world switch:
687 * See http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/33610.pdf
688 *
689 * All BH-G1/2 and DH-G1/2 models include a fix:
690 * Athlon X2: 0x6b 1/2
691 * 0x68 1/2
692 * Athlon 64: 0x7f 1
693 * 0x6f 2
694 * Sempron: 0x7f 1/2
695 * 0x6f 2
696 * 0x6c 2
697 * 0x7c 2
698 * Turion 64: 0x68 2
699 *
700 */
701 uint32_t u32Dummy;
702 uint32_t u32Version, u32Family, u32Model, u32Stepping, u32BaseFamily;
703 ASMCpuId(1, &u32Version, &u32Dummy, &u32Dummy, &u32Dummy);
704 u32BaseFamily= (u32Version >> 8) & 0xf;
705 u32Family = u32BaseFamily + (u32BaseFamily == 0xf ? ((u32Version >> 20) & 0x7f) : 0);
706 u32Model = ((u32Version >> 4) & 0xf);
707 u32Model = u32Model | ((u32BaseFamily == 0xf ? (u32Version >> 16) & 0x0f : 0) << 4);
708 u32Stepping = u32Version & 0xf;
709 if ( u32Family == 0xf
710 && !((u32Model == 0x68 || u32Model == 0x6b || u32Model == 0x7f) && u32Stepping >= 1)
711 && !((u32Model == 0x6f || u32Model == 0x6c || u32Model == 0x7c) && u32Stepping >= 2))
712 {
713 LogRel(("HWACMM: AMD cpu with erratum 170 family %x model %x stepping %x\n", u32Family, u32Model, u32Stepping));
714 }
715
716 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureECX = %VX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureECX));
717 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureEDX = %VX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureEDX));
718 LogRel(("HWACCM: SVM revision = %X\n", pVM->hwaccm.s.svm.u32Rev));
719 LogRel(("HWACCM: SVM max ASID = %d\n", pVM->hwaccm.s.uMaxASID));
720 LogRel(("HWACCM: SVM features = %X\n", pVM->hwaccm.s.svm.u32Features));
721
722 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING)
723 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING\n"));
724 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT)
725 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT\n"));
726 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK)
727 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK\n"));
728 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE)
729 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE\n"));
730 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE)
731 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE\n"));
732
733 /* Only try once. */
734 pVM->hwaccm.s.fInitialized = true;
735
736 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING)
737 pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
738
739 rc = SUPCallVMMR0Ex(pVM->pVMR0, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
740 AssertRC(rc);
741 if (rc == VINF_SUCCESS)
742 {
743 pVM->fHWACCMEnabled = true;
744 pVM->hwaccm.s.svm.fEnabled = true;
745
746 if (pVM->hwaccm.s.fNestedPaging)
747 LogRel(("HWACCM: Enabled nested paging\n"));
748
749 hwaccmR3DisableRawMode(pVM);
750 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
751 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL);
752#ifdef VBOX_ENABLE_64_BITS_GUESTS
753 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
754 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
755 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
756 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
757#endif
758 }
759 else
760 {
761 pVM->fHWACCMEnabled = false;
762 }
763 }
764 }
765 return VINF_SUCCESS;
766}
767
768/**
769 * Applies relocations to data and code managed by this
770 * component. This function will be called at init and
771 * whenever the VMM need to relocate it self inside the GC.
772 *
773 * @param pVM The VM.
774 */
775VMMR3DECL(void) HWACCMR3Relocate(PVM pVM)
776{
777 Log(("HWACCMR3Relocate to %VGv\n", MMHyperGetArea(pVM, 0)));
778 return;
779}
780
781/**
782 * Checks hardware accelerated raw mode is allowed.
783 *
784 * @returns boolean
785 * @param pVM The VM to operate on.
786 */
787VMMR3DECL(bool) HWACCMR3IsAllowed(PVM pVM)
788{
789 return pVM->hwaccm.s.fAllowed;
790}
791
792/**
793 * Notification callback which is called whenever there is a chance that a CR3
794 * value might have changed.
795 *
796 * This is called by PGM.
797 *
798 * @param pVM The VM to operate on.
799 * @param enmShadowMode New shadow paging mode.
800 * @param enmGuestMode New guest paging mode.
801 */
802VMMR3DECL(void) HWACCMR3PagingModeChanged(PVM pVM, PGMMODE enmShadowMode, PGMMODE enmGuestMode)
803{
804 pVM->hwaccm.s.enmShadowMode = enmShadowMode;
805 if ( pVM->hwaccm.s.vmx.fEnabled
806 && pVM->fHWACCMEnabled)
807 {
808 if ( pVM->hwaccm.s.vmx.enmCurrGuestMode == PGMMODE_REAL
809 && enmGuestMode >= PGMMODE_PROTECTED)
810 {
811 PCPUMCTX pCtx;
812
813 pCtx = CPUMQueryGuestCtxPtr(pVM);
814
815 /* After a real mode switch to protected mode we must force
816 * CPL to 0. Our real mode emulation had to set it to 3.
817 */
818 pCtx->ssHid.Attr.n.u2Dpl = 0;
819 }
820 }
821}
822
823/**
824 * Terminates the HWACCM.
825 *
826 * Termination means cleaning up and freeing all resources,
827 * the VM it self is at this point powered off or suspended.
828 *
829 * @returns VBox status code.
830 * @param pVM The VM to operate on.
831 */
832VMMR3DECL(int) HWACCMR3Term(PVM pVM)
833{
834 if (pVM->hwaccm.s.vmx.pRealModeTSS)
835 {
836 PDMR3VMMDevHeapFree(pVM, pVM->hwaccm.s.vmx.pRealModeTSS);
837 pVM->hwaccm.s.vmx.pRealModeTSS = 0;
838 }
839
840 if (pVM->hwaccm.s.paStatExitReason)
841 {
842 MMHyperFree(pVM, pVM->hwaccm.s.paStatExitReason);
843 pVM->hwaccm.s.paStatExitReason = NULL;
844 }
845 return 0;
846}
847
848/**
849 * Terminates the per-VCPU HWACCM.
850 *
851 * Termination means cleaning up and freeing all resources,
852 * the VM it self is at this point powered off or suspended.
853 *
854 * @returns VBox status code.
855 * @param pVM The VM to operate on.
856 */
857VMMR3DECL(int) HWACCMR3TermCPU(PVM pVM)
858{
859 return 0;
860}
861
862/**
863 * The VM is being reset.
864 *
865 * For the HWACCM component this means that any GDT/LDT/TSS monitors
866 * needs to be removed.
867 *
868 * @param pVM VM handle.
869 */
870VMMR3DECL(void) HWACCMR3Reset(PVM pVM)
871{
872 LogFlow(("HWACCMR3Reset:\n"));
873
874 if (pVM->fHWACCMEnabled)
875 hwaccmR3DisableRawMode(pVM);
876
877 /* On first entry we'll sync everything. */
878 pVM->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
879
880 pVM->hwaccm.s.vmx.cr0_mask = 0;
881 pVM->hwaccm.s.vmx.cr4_mask = 0;
882
883 pVM->hwaccm.s.Event.fPending = false;
884
885 /* Reset state information for real-mode emulation in VT-x. */
886 pVM->hwaccm.s.vmx.enmCurrGuestMode = PGMMODE_REAL;
887}
888
889/**
890 * Checks if we can currently use hardware accelerated raw mode.
891 *
892 * @returns boolean
893 * @param pVM The VM to operate on.
894 * @param pCtx Partial VM execution context
895 */
896VMMR3DECL(bool) HWACCMR3CanExecuteGuest(PVM pVM, PCPUMCTX pCtx)
897{
898 Assert(pVM->fHWACCMEnabled);
899
900 /* AMD SVM supports real & protected mode with or without paging. */
901 if (pVM->hwaccm.s.svm.fEnabled)
902 {
903 pVM->hwaccm.s.fActive = true;
904 return true;
905 }
906
907 pVM->hwaccm.s.fActive = false;
908
909 /* Note! The context supplied by REM is partial. If we add more checks here, be sure to verify that REM provides this info! */
910#ifdef HWACCM_VMX_EMULATE_REALMODE
911 if (CPUMIsGuestInRealModeEx(pCtx))
912 {
913 /* VT-x will not allow high selector bases in v86 mode; fall back to the recompiler in that case.
914 * The base must also be equal to (sel << 4).
915 */
916 if ( ( pCtx->cs != (pCtx->csHid.u64Base >> 4)
917 && pCtx->csHid.u64Base != 0xffff0000 /* we can deal with the BIOS code as it's also mapped into the lower region. */)
918 || pCtx->ds != (pCtx->dsHid.u64Base >> 4)
919 || pCtx->es != (pCtx->esHid.u64Base >> 4)
920 || pCtx->fs != (pCtx->fsHid.u64Base >> 4)
921 || pCtx->gs != (pCtx->gsHid.u64Base >> 4)
922 || pCtx->ss != (pCtx->ssHid.u64Base >> 4))
923 return false;
924 }
925 else
926 {
927 PGMMODE enmGuestMode = PGMGetGuestMode(pVM);
928 /* Verify the requirements for executing code in protected mode. VT-x can't handle the CPU state right after a switch
929 * from real to protected mode. (all sorts of RPL & DPL assumptions)
930 */
931 if ( pVM->hwaccm.s.vmx.enmCurrGuestMode == PGMMODE_REAL
932 && enmGuestMode >= PGMMODE_PROTECTED)
933 {
934 if ( (pCtx->cs & X86_SEL_RPL)
935 || (pCtx->ds & X86_SEL_RPL)
936 || (pCtx->es & X86_SEL_RPL)
937 || (pCtx->fs & X86_SEL_RPL)
938 || (pCtx->gs & X86_SEL_RPL)
939 || (pCtx->ss & X86_SEL_RPL))
940 {
941 /* Flush the translation blocks as code pages may have been
942 * changed (Fedora4 boot image, reset, boot iso)
943 */
944 REMFlushTBs(pVM);
945 return false;
946 }
947 }
948 }
949#else
950 if (!CPUMIsGuestInLongModeEx(pCtx))
951 {
952 /* Too early for VT-x; Solaris guests will fail with a guru meditation otherwise; same for XP. */
953 if (pCtx->idtr.pIdt == 0 || pCtx->idtr.cbIdt == 0 || pCtx->tr == 0)
954 return false;
955
956 /* The guest is about to complete the switch to protected mode. Wait a bit longer. */
957 /* Windows XP; switch to protected mode; all selectors are marked not present in the
958 * hidden registers (possible recompiler bug; see load_seg_vm) */
959 if (pCtx->csHid.Attr.n.u1Present == 0)
960 return false;
961 if (pCtx->ssHid.Attr.n.u1Present == 0)
962 return false;
963 }
964#endif
965
966 if (pVM->hwaccm.s.vmx.fEnabled)
967 {
968 uint32_t mask;
969
970 /* if bit N is set in cr0_fixed0, then it must be set in the guest's cr0. */
971 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0;
972 /* Note: We ignore the NE bit here on purpose; see vmmr0\hwaccmr0.cpp for details. */
973 mask &= ~X86_CR0_NE;
974
975#ifdef HWACCM_VMX_EMULATE_REALMODE
976 /* Note: We ignore the PE & PG bits here on purpose; we emulate real and protected mode without paging. */
977 mask &= ~(X86_CR0_PG|X86_CR0_PE);
978#else
979 /* We support protected mode without paging using identity mapping. */
980 mask &= ~X86_CR0_PG;
981#endif
982 if ((pCtx->cr0 & mask) != mask)
983 return false;
984
985 /* if bit N is cleared in cr0_fixed1, then it must be zero in the guest's cr0. */
986 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1;
987 if ((pCtx->cr0 & mask) != 0)
988 return false;
989
990 /* if bit N is set in cr4_fixed0, then it must be set in the guest's cr4. */
991 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0;
992 mask &= ~X86_CR4_VMXE;
993 if ((pCtx->cr4 & mask) != mask)
994 return false;
995
996 /* if bit N is cleared in cr4_fixed1, then it must be zero in the guest's cr4. */
997 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1;
998 if ((pCtx->cr4 & mask) != 0)
999 return false;
1000
1001 pVM->hwaccm.s.fActive = true;
1002 return true;
1003 }
1004
1005 return false;
1006}
1007
1008/**
1009 * Checks if we are currently using hardware accelerated raw mode.
1010 *
1011 * @returns boolean
1012 * @param pVM The VM to operate on.
1013 */
1014VMMR3DECL(bool) HWACCMR3IsActive(PVM pVM)
1015{
1016 return pVM->hwaccm.s.fActive;
1017}
1018
1019/**
1020 * Checks if we are currently using nested paging.
1021 *
1022 * @returns boolean
1023 * @param pVM The VM to operate on.
1024 */
1025VMMR3DECL(bool) HWACCMR3IsNestedPagingActive(PVM pVM)
1026{
1027 return pVM->hwaccm.s.fNestedPaging;
1028}
1029
1030/**
1031 * Checks if we are currently using VPID in VT-x mode.
1032 *
1033 * @returns boolean
1034 * @param pVM The VM to operate on.
1035 */
1036VMMR3DECL(bool) HWACCMR3IsVPIDActive(PVM pVM)
1037{
1038 return pVM->hwaccm.s.vmx.fVPID;
1039}
1040
1041
1042/**
1043 * Checks if internal events are pending. In that case we are not allowed to dispatch interrupts.
1044 *
1045 * @returns boolean
1046 * @param pVM The VM to operate on.
1047 */
1048VMMR3DECL(bool) HWACCMR3IsEventPending(PVM pVM)
1049{
1050 return HWACCMIsEnabled(pVM) && pVM->hwaccm.s.Event.fPending;
1051}
1052
1053/**
1054 * Check fatal VT-x/AMD-V error and produce some meaningful
1055 * log release message.
1056 *
1057 * @param pVM The VM to operate on.
1058 * @param iStatusCode VBox status code
1059 */
1060VMMR3DECL(void) HWACCMR3CheckError(PVM pVM, int iStatusCode)
1061{
1062 switch(iStatusCode)
1063 {
1064 case VERR_VMX_INVALID_VMCS_FIELD:
1065 break;
1066
1067 case VERR_VMX_INVALID_VMCS_PTR:
1068 LogRel(("VERR_VMX_INVALID_VMCS_PTR: Current pointer %VGp vs %VGp\n", pVM->hwaccm.s.vmx.lasterror.u64VMCSPhys, pVM->hwaccm.s.vmx.pVMCSPhys));
1069 LogRel(("VERR_VMX_INVALID_VMCS_PTR: Current VMCS version %x\n", pVM->hwaccm.s.vmx.lasterror.ulVMCSRevision));
1070 break;
1071
1072 case VERR_VMX_UNABLE_TO_START_VM:
1073 LogRel(("VERR_VMX_UNABLE_TO_START_VM: instruction error %x\n", pVM->hwaccm.s.vmx.lasterror.ulLastInstrError));
1074 LogRel(("VERR_VMX_UNABLE_TO_START_VM: exit reason %x\n", pVM->hwaccm.s.vmx.lasterror.ulLastExitReason));
1075 break;
1076
1077 case VERR_VMX_UNABLE_TO_RESUME_VM:
1078 LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: instruction error %x\n", pVM->hwaccm.s.vmx.lasterror.ulLastInstrError));
1079 LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: exit reason %x\n", pVM->hwaccm.s.vmx.lasterror.ulLastExitReason));
1080 break;
1081
1082 case VERR_VMX_INVALID_VMXON_PTR:
1083 break;
1084 }
1085}
1086
1087/**
1088 * Execute state save operation.
1089 *
1090 * @returns VBox status code.
1091 * @param pVM VM Handle.
1092 * @param pSSM SSM operation handle.
1093 */
1094static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM)
1095{
1096 int rc;
1097
1098 Log(("hwaccmR3Save:\n"));
1099
1100 /*
1101 * Save the basic bits - fortunately all the other things can be resynced on load.
1102 */
1103 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.Event.fPending);
1104 AssertRCReturn(rc, rc);
1105 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.Event.errCode);
1106 AssertRCReturn(rc, rc);
1107 rc = SSMR3PutU64(pSSM, pVM->hwaccm.s.Event.intInfo);
1108 AssertRCReturn(rc, rc);
1109
1110 return VINF_SUCCESS;
1111}
1112
1113/**
1114 * Execute state load operation.
1115 *
1116 * @returns VBox status code.
1117 * @param pVM VM Handle.
1118 * @param pSSM SSM operation handle.
1119 * @param u32Version Data layout version.
1120 */
1121static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version)
1122{
1123 int rc;
1124
1125 Log(("hwaccmR3Load:\n"));
1126
1127 /*
1128 * Validate version.
1129 */
1130 if (u32Version != HWACCM_SSM_VERSION)
1131 {
1132 AssertMsgFailed(("hwaccmR3Load: Invalid version u32Version=%d!\n", u32Version));
1133 return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
1134 }
1135 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.Event.fPending);
1136 AssertRCReturn(rc, rc);
1137 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.Event.errCode);
1138 AssertRCReturn(rc, rc);
1139 rc = SSMR3GetU64(pSSM, &pVM->hwaccm.s.Event.intInfo);
1140 AssertRCReturn(rc, rc);
1141
1142 return VINF_SUCCESS;
1143}
1144
1145
1146
1147
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