HWACCM.cpp@ 15858

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1	/* $Id: HWACCM.cpp 15858 2009-01-08 11:56:52Z 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.215389.xyz. 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	* Global Variables *
52	*******************************************************************************/
53	#ifdef VBOX_WITH_STATISTICS
54	# define EXIT_REASON(def, val, str) #def " - " #val " - " str
55	# define EXIT_REASON_NIL() NULL
56	/** Exit reason descriptions for VT-x, used to describe statistics. */
57	static const char * const g_apszVTxExitReasons[MAX_EXITREASON_STAT] =
58	{
59	EXIT_REASON(VMX_EXIT_EXCEPTION , 0, "Exception or non-maskable interrupt (NMI)."),
60	EXIT_REASON(VMX_EXIT_EXTERNAL_IRQ , 1, "External interrupt."),
61	EXIT_REASON(VMX_EXIT_TRIPLE_FAULT , 2, "Triple fault."),
62	EXIT_REASON(VMX_EXIT_INIT_SIGNAL , 3, "INIT signal."),
63	EXIT_REASON(VMX_EXIT_SIPI , 4, "Start-up IPI (SIPI)."),
64	EXIT_REASON(VMX_EXIT_IO_SMI_IRQ , 5, "I/O system-management interrupt (SMI)."),
65	EXIT_REASON(VMX_EXIT_SMI_IRQ , 6, "Other SMI."),
66	EXIT_REASON(VMX_EXIT_IRQ_WINDOW , 7, "Interrupt window."),
67	EXIT_REASON_NIL(),
68	EXIT_REASON(VMX_EXIT_TASK_SWITCH , 9, "Task switch."),
69	EXIT_REASON(VMX_EXIT_CPUID , 10, "Guest software attempted to execute CPUID."),
70	EXIT_REASON_NIL(),
71	EXIT_REASON(VMX_EXIT_HLT , 12, "Guest software attempted to execute HLT."),
72	EXIT_REASON(VMX_EXIT_INVD , 13, "Guest software attempted to execute INVD."),
73	EXIT_REASON(VMX_EXIT_INVPG , 14, "Guest software attempted to execute INVPG."),
74	EXIT_REASON(VMX_EXIT_RDPMC , 15, "Guest software attempted to execute RDPMC."),
75	EXIT_REASON(VMX_EXIT_RDTSC , 16, "Guest software attempted to execute RDTSC."),
76	EXIT_REASON(VMX_EXIT_RSM , 17, "Guest software attempted to execute RSM in SMM."),
77	EXIT_REASON(VMX_EXIT_VMCALL , 18, "Guest software executed VMCALL."),
78	EXIT_REASON(VMX_EXIT_VMCLEAR , 19, "Guest software executed VMCLEAR."),
79	EXIT_REASON(VMX_EXIT_VMLAUNCH , 20, "Guest software executed VMLAUNCH."),
80	EXIT_REASON(VMX_EXIT_VMPTRLD , 21, "Guest software executed VMPTRLD."),
81	EXIT_REASON(VMX_EXIT_VMPTRST , 22, "Guest software executed VMPTRST."),
82	EXIT_REASON(VMX_EXIT_VMREAD , 23, "Guest software executed VMREAD."),
83	EXIT_REASON(VMX_EXIT_VMRESUME , 24, "Guest software executed VMRESUME."),
84	EXIT_REASON(VMX_EXIT_VMWRITE , 25, "Guest software executed VMWRITE."),
85	EXIT_REASON(VMX_EXIT_VMXOFF , 26, "Guest software executed VMXOFF."),
86	EXIT_REASON(VMX_EXIT_VMXON , 27, "Guest software executed VMXON."),
87	EXIT_REASON(VMX_EXIT_CRX_MOVE , 28, "Control-register accesses."),
88	EXIT_REASON(VMX_EXIT_DRX_MOVE , 29, "Debug-register accesses."),
89	EXIT_REASON(VMX_EXIT_PORT_IO , 30, "I/O instruction."),
90	EXIT_REASON(VMX_EXIT_RDMSR , 31, "RDMSR. Guest software attempted to execute RDMSR."),
91	EXIT_REASON(VMX_EXIT_WRMSR , 32, "WRMSR. Guest software attempted to execute WRMSR."),
92	EXIT_REASON(VMX_EXIT_ERR_INVALID_GUEST_STATE, 33, "VM-entry failure due to invalid guest state."),
93	EXIT_REASON(VMX_EXIT_ERR_MSR_LOAD , 34, "VM-entry failure due to MSR loading."),
94	EXIT_REASON_NIL(),
95	EXIT_REASON(VMX_EXIT_MWAIT , 36, "Guest software executed MWAIT."),
96	EXIT_REASON_NIL(),
97	EXIT_REASON_NIL(),
98	EXIT_REASON(VMX_EXIT_MONITOR , 39, "Guest software attempted to execute MONITOR."),
99	EXIT_REASON(VMX_EXIT_PAUSE , 40, "Guest software attempted to execute PAUSE."),
100	EXIT_REASON(VMX_EXIT_ERR_MACHINE_CHECK , 41, "VM-entry failure due to machine-check."),
101	EXIT_REASON_NIL(),
102	EXIT_REASON(VMX_EXIT_TPR , 43, "TPR below threshold. Guest software executed MOV to CR8."),
103	EXIT_REASON(VMX_EXIT_APIC_ACCESS , 44, "APIC access. Guest software attempted to access memory at a physical address on the APIC-access page."),
104	EXIT_REASON_NIL(),
105	EXIT_REASON(VMX_EXIT_XDTR_ACCESS , 46, "Access to GDTR or IDTR. Guest software attempted to execute LGDT, LIDT, SGDT, or SIDT."),
106	EXIT_REASON(VMX_EXIT_TR_ACCESS , 47, "Access to LDTR or TR. Guest software attempted to execute LLDT, LTR, SLDT, or STR."),
107	EXIT_REASON(VMX_EXIT_EPT_VIOLATION , 48, "EPT violation. An attempt to access memory with a guest-physical address was disallowed by the configuration of the EPT paging structures."),
108	EXIT_REASON(VMX_EXIT_EPT_MISCONFIG , 49, "EPT misconfiguration. An attempt to access memory with a guest-physical address encountered a misconfigured EPT paging-structure entry."),
109	EXIT_REASON(VMX_EXIT_INVEPT , 50, "INVEPT. Guest software attempted to execute INVEPT."),
110	EXIT_REASON_NIL(),
111	EXIT_REASON(VMX_EXIT_PREEMPTION_TIMER , 52, "VMX-preemption timer expired. The preemption timer counted down to zero."),
112	EXIT_REASON(VMX_EXIT_INVVPID , 53, "INVVPID. Guest software attempted to execute INVVPID."),
113	EXIT_REASON(VMX_EXIT_WBINVD , 54, "WBINVD. Guest software attempted to execute WBINVD."),
114	EXIT_REASON(VMX_EXIT_XSETBV , 55, "XSETBV. Guest software attempted to execute XSETBV."),
115	EXIT_REASON_NIL()
116	};
117	/** Exit reason descriptions for AMD-V, used to describe statistics. */
118	static const char * const g_apszAmdVExitReasons[MAX_EXITREASON_STAT] =
119	{
120	/** @todo fill in these. */
121	EXIT_REASON_NIL()
122	};
123	# undef EXIT_REASON
124	# undef EXIT_REASON_NIL
125	#endif /* VBOX_WITH_STATISTICS */
126
127	/*******************************************************************************
128	* Internal Functions *
129	*******************************************************************************/
130	static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM);
131	static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version);
132
133
134	/**
135	* Initializes the HWACCM.
136	*
137	* @returns VBox status code.
138	* @param pVM The VM to operate on.
139	*/
140	VMMR3DECL(int) HWACCMR3Init(PVM pVM)
141	{
142	LogFlow(("HWACCMR3Init\n"));
143
144	/*
145	* Assert alignment and sizes.
146	*/
147	AssertRelease(!(RT_OFFSETOF(VM, hwaccm.s) & 31));
148	AssertRelease(sizeof(pVM->hwaccm.s) <= sizeof(pVM->hwaccm.padding));
149
150	/* Some structure checks. */
151	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, u8Reserved3) == 0xC0, ("u8Reserved3 offset = %x\n", RT_OFFSETOF(SVM_VMCB, u8Reserved3)));
152	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.EventInject) == 0xA8, ("ctrl.EventInject offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.EventInject)));
153	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo) == 0x88, ("ctrl.ExitIntInfo offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo)));
154	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl) == 0x58, ("ctrl.TLBCtrl offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl)));
155
156	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest) == 0x400, ("guest offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest)));
157	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved4) == 0x4A0, ("guest.u8Reserved4 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved4)));
158	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved6) == 0x4D8, ("guest.u8Reserved6 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved6)));
159	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved7) == 0x580, ("guest.u8Reserved7 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved7)));
160	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved9) == 0x648, ("guest.u8Reserved9 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved9)));
161	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, u8Reserved10) == 0x698, ("u8Reserved3 offset = %x\n", RT_OFFSETOF(SVM_VMCB, u8Reserved10)));
162	AssertReleaseMsg(sizeof(SVM_VMCB) == 0x1000, ("SVM_VMCB size = %x\n", sizeof(SVM_VMCB)));
163
164
165	/*
166	* Register the saved state data unit.
167	*/
168	int rc = SSMR3RegisterInternal(pVM, "HWACCM", 0, HWACCM_SSM_VERSION, sizeof(HWACCM),
169	NULL, hwaccmR3Save, NULL,
170	NULL, hwaccmR3Load, NULL);
171	if (RT_FAILURE(rc))
172	return rc;
173
174	/* Misc initialisation. */
175	pVM->hwaccm.s.vmx.fSupported = false;
176	pVM->hwaccm.s.svm.fSupported = false;
177	pVM->hwaccm.s.vmx.fEnabled = false;
178	pVM->hwaccm.s.svm.fEnabled = false;
179
180	pVM->hwaccm.s.fActive = false;
181	pVM->hwaccm.s.fNestedPaging = false;
182
183	/* Disabled by default. */
184	pVM->fHWACCMEnabled = false;
185
186	/*
187	* Check CFGM options.
188	*/
189	PCFGMNODE pRoot = CFGMR3GetRoot(pVM);
190	PCFGMNODE pHWVirtExt = CFGMR3GetChild(pRoot, "HWVirtExt/");
191	/* Nested paging: disabled by default. */
192	rc = CFGMR3QueryBoolDef(pRoot, "EnableNestedPaging", &pVM->hwaccm.s.fAllowNestedPaging, false);
193	AssertRC(rc);
194
195	/* VT-x VPID: disabled by default. */
196	rc = CFGMR3QueryBoolDef(pRoot, "EnableVPID", &pVM->hwaccm.s.vmx.fAllowVPID, false);
197	AssertRC(rc);
198
199	/* HWACCM support must be explicitely enabled in the configuration file. */
200	rc = CFGMR3QueryBoolDef(pHWVirtExt, "Enabled", &pVM->hwaccm.s.fAllowed, false);
201	AssertRC(rc);
202
203	#ifdef RT_OS_DARWIN
204	if (VMMIsHwVirtExtForced(pVM) != pVM->hwaccm.s.fAllowed)
205	#else
206	if (VMMIsHwVirtExtForced(pVM) && !pVM->hwaccm.s.fAllowed)
207	#endif
208	{
209	AssertLogRelMsgFailed(("VMMIsHwVirtExtForced=%RTbool fAllowed=%RTbool\n",
210	VMMIsHwVirtExtForced(pVM), pVM->hwaccm.s.fAllowed));
211	return VERR_HWACCM_CONFIG_MISMATCH;
212	}
213
214	if (VMMIsHwVirtExtForced(pVM))
215	pVM->fHWACCMEnabled = true;
216
217	#if HC_ARCH_BITS == 32
218	/* 64-bit mode is configurable and it depends on both the kernel mode and VT-x.
219	* (To use the default, don't set 64bitEnabled in CFGM.) */
220	rc = CFGMR3QueryBoolDef(pHWVirtExt, "64bitEnabled", &pVM->hwaccm.s.fAllow64BitGuests, false);
221	AssertLogRelRCReturn(rc, rc);
222	if (pVM->hwaccm.s.fAllow64BitGuests)
223	{
224	# ifdef RT_OS_DARWIN
225	if (!VMMIsHwVirtExtForced(pVM))
226	# else
227	if (!pVM->hwaccm.s.fAllowed)
228	# endif
229	return VM_SET_ERROR(pVM, VERR_INVALID_PARAMETER, "64-bit guest support was requested without also enabling VT-x.");
230	}
231	#else
232	/* On 64-bit hosts 64-bit guest support is enabled by default, but allow this to be overridden
233	* via VBoxInternal/HWVirtExt/64bitEnabled=0. (ConsoleImpl2.cpp doesn't set this to false for 64-bit.) */
234	rc = CFGMR3QueryBoolDef(pHWVirtExt, "64bitEnabled", &pVM->hwaccm.s.fAllow64BitGuests, true);
235	AssertLogRelRCReturn(rc, rc);
236	#endif
237
238	return VINF_SUCCESS;
239	}
240
241	/**
242	* Initializes the per-VCPU HWACCM.
243	*
244	* @returns VBox status code.
245	* @param pVM The VM to operate on.
246	*/
247	VMMR3DECL(int) HWACCMR3InitCPU(PVM pVM)
248	{
249	LogFlow(("HWACCMR3InitCPU\n"));
250
251	#ifdef VBOX_WITH_STATISTICS
252	/*
253	* Statistics.
254	*/
255	for (unsigned i=0;i<pVM->cCPUs;i++)
256	{
257	PVMCPU pVCpu = &pVM->aCpus[i];
258	int rc;
259
260	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatEntry, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode entry",
261	"/PROF/HWACCM/CPU%d/SwitchToGC", i);
262	AssertRC(rc);
263	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit1, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit part 1",
264	"/PROF/HWACCM/CPU%d/SwitchFromGC_1", i);
265	AssertRC(rc);
266	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit part 2",
267	"/PROF/HWACCM/CPU%d/SwitchFromGC_2", i);
268	AssertRC(rc);
269	# if 1 /* temporary for tracking down darwin holdup. */
270	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub1, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - I/O",
271	"/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub1", i);
272	AssertRC(rc);
273	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub2, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - CRx RWs",
274	"/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub2", i);
275	AssertRC(rc);
276	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub3, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - Exceptions",
277	"/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub3", i);
278	AssertRC(rc);
279	# endif
280	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatInGC, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of vmlaunch",
281	"/PROF/HWACCM/CPU%d/InGC", i);
282	AssertRC(rc);
283
284	# if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
285	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatWorldSwitch3264, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of the 32/64 switcher",
286	"/PROF/HWACCM/CPU%d/Switcher3264", i);
287	AssertRC(rc);
288	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTimeoutResume, "/HWACCM/CPU%d/Timeout/Resume");
289	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTimeoutSwitcher3264, "/HWACCM/CPU%d/Timeout/Switcher3264");
290	# endif
291
292	# define HWACCM_REG_COUNTER(a, b) \
293	rc = STAMR3RegisterF(pVM, a, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, "Profiling of vmlaunch", b, i); \
294	AssertRC(rc);
295
296	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitShadowNM, "/HWACCM/CPU%d/Exit/Trap/Shw/#NM");
297	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestNM, "/HWACCM/CPU%d/Exit/Trap/Gst/#NM");
298	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitShadowPF, "/HWACCM/CPU%d/Exit/Trap/Shw/#PF");
299	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestPF, "/HWACCM/CPU%d/Exit/Trap/Gst/#PF");
300	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestUD, "/HWACCM/CPU%d/Exit/Trap/Gst/#UD");
301	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestSS, "/HWACCM/CPU%d/Exit/Trap/Gst/#SS");
302	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestNP, "/HWACCM/CPU%d/Exit/Trap/Gst/#NP");
303	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestGP, "/HWACCM/CPU%d/Exit/Trap/Gst/#GP");
304	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestMF, "/HWACCM/CPU%d/Exit/Trap/Gst/#MF");
305	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestDE, "/HWACCM/CPU%d/Exit/Trap/Gst/#DE");
306	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestDB, "/HWACCM/CPU%d/Exit/Trap/Gst/#DB");
307	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInvpg, "/HWACCM/CPU%d/Exit/Instr/Invlpg");
308	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInvd, "/HWACCM/CPU%d/Exit/Instr/Invd");
309	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCpuid, "/HWACCM/CPU%d/Exit/Instr/Cpuid");
310	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdtsc, "/HWACCM/CPU%d/Exit/Instr/Rdtsc");
311	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitDRxWrite, "/HWACCM/CPU%d/Exit/Instr/DR/Write");
312	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitDRxRead, "/HWACCM/CPU%d/Exit/Instr/DR/Read");
313	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCLTS, "/HWACCM/CPU%d/Exit/Instr/CLTS");
314	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitLMSW, "/HWACCM/CPU%d/Exit/Instr/LMSW");
315	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOWrite, "/HWACCM/CPU%d/Exit/IO/Write");
316	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIORead, "/HWACCM/CPU%d/Exit/IO/Read");
317	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOStringWrite, "/HWACCM/CPU%d/Exit/IO/WriteString");
318	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOStringRead, "/HWACCM/CPU%d/Exit/IO/ReadString");
319	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIrqWindow, "/HWACCM/CPU%d/Exit/IrqWindow");
320	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMaxResume, "/HWACCM/CPU%d/Exit/MaxResume");
321
322	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatSwitchGuestIrq, "/HWACCM/CPU%d/Switch/IrqPending");
323	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatSwitchToR3, "/HWACCM/CPU%d/Switch/ToR3");
324
325	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatIntInject, "/HWACCM/CPU%d/Irq/Inject");
326	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatIntReinject, "/HWACCM/CPU%d/Irq/Reinject");
327	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatPendingHostIrq, "/HWACCM/CPU%d/Irq/PendingOnHost");
328
329	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPageManual, "/HWACCM/CPU%d/Flush/Page/Virt");
330	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPhysPageManual, "/HWACCM/CPU%d/Flush/Page/Phys");
331	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBManual, "/HWACCM/CPU%d/Flush/TLB/Manual");
332	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBCRxChange, "/HWACCM/CPU%d/Flush/TLB/CRx");
333	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPageInvlpg, "/HWACCM/CPU%d/Flush/Page/Invlpg");
334	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Switch");
335	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatNoFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Skipped");
336	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushASID, "/HWACCM/CPU%d/Flush/TLB/ASID");
337	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBInvlpga, "/HWACCM/CPU%d/Flush/TLB/PhysInvl");
338
339	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCOffset, "/HWACCM/CPU%d/TSC/Offset");
340	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCIntercept, "/HWACCM/CPU%d/TSC/Intercept");
341
342	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxArmed, "/HWACCM/CPU%d/Debug/Armed");
343	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxContextSwitch, "/HWACCM/CPU%d/Debug/ContextSwitch");
344	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxIOCheck, "/HWACCM/CPU%d/Debug/IOCheck");
345
346	for (unsigned j=0;j<RT_ELEMENTS(pVCpu->hwaccm.s.StatExitCRxWrite);j++)
347	{
348	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxWrite[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx writes",
349	"/HWACCM/CPU%d/Exit/Instr/CR/Write/%x", i, j);
350	AssertRC(rc);
351	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxRead[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx reads",
352	"/HWACCM/CPU%d/Exit/Instr/CR/Read/%x", i, j);
353	AssertRC(rc);
354	}
355
356	#undef HWACCM_REG_COUNTER
357
358	pVCpu->hwaccm.s.paStatExitReason = NULL;
359
360	rc = MMHyperAlloc(pVM, MAX_EXITREASON_STATsizeof(pVCpu->hwaccm.s.paStatExitReason), 0, MM_TAG_HWACCM, (void **)&pVCpu->hwaccm.s.paStatExitReason);
361	AssertRC(rc);
362	if (RT_SUCCESS(rc))
363	{
364	const char * const *papszDesc = ASMIsIntelCpu() ? &g_apszVTxExitReasons[0] : &g_apszAmdVExitReasons[0];
365	for (int j=0;j<MAX_EXITREASON_STAT;j++)
366	{
367	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.paStatExitReason[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES,
368	papszDesc[j] ? papszDesc[j] : "Exit reason",
369	"/HWACCM/CPU%d/Exit/Reason/%02x", i, j);
370	AssertRC(rc);
371	}
372	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitReasonNPF, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Nested page fault", "/HWACCM/CPU%d/Exit/Reason/#NPF", i);
373	AssertRC(rc);
374	}
375	pVCpu->hwaccm.s.paStatExitReasonR0 = MMHyperR3ToR0(pVM, pVCpu->hwaccm.s.paStatExitReason);
376	# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
377	Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR \|\| !VMMIsHwVirtExtForced(pVM));
378	# else
379	Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR);
380	# endif
381
382	PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
383	/* Magic marker for searching in crash dumps. */
384	strcpy((char *)pCache->aMagic, "VMCSCACHE Magic");
385	pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF);
386	}
387	#endif /* VBOX_WITH_STATISTICS */
388	return VINF_SUCCESS;
389	}
390
391	/**
392	* Turns off normal raw mode features
393	*
394	* @param pVM The VM to operate on.
395	*/
396	static void hwaccmR3DisableRawMode(PVM pVM)
397	{
398	/* Disable PATM & CSAM. */
399	PATMR3AllowPatching(pVM, false);
400	CSAMDisableScanning(pVM);
401
402	/* Turn off IDT/LDT/GDT and TSS monitoring and sycing. */
403	SELMR3DisableMonitoring(pVM);
404	TRPMR3DisableMonitoring(pVM);
405
406	/* The hidden selector registers are now valid. */
407	CPUMSetHiddenSelRegsValid(pVM, true);
408
409	/* Disable the switcher code (safety precaution). */
410	VMMR3DisableSwitcher(pVM);
411
412	/* Disable mapping of the hypervisor into the shadow page table. */
413	PGMR3ChangeShwPDMappings(pVM, false);
414
415	/* Disable the switcher */
416	VMMR3DisableSwitcher(pVM);
417
418	if (pVM->hwaccm.s.fNestedPaging)
419	{
420	/* Reinit the paging mode to force the new shadow mode. */
421	PGMR3ChangeMode(pVM, PGMMODE_REAL);
422	}
423	}
424
425	/**
426	* Initialize VT-x or AMD-V.
427	*
428	* @returns VBox status code.
429	* @param pVM The VM handle.
430	*/
431	VMMR3DECL(int) HWACCMR3InitFinalizeR0(PVM pVM)
432	{
433	int rc;
434
435	if ( !pVM->hwaccm.s.vmx.fSupported
436	&& !pVM->hwaccm.s.svm.fSupported)
437	{
438	LogRel(("HWACCM: No VMX or SVM CPU extension found. Reason %Rrc\n", pVM->hwaccm.s.lLastError));
439	LogRel(("HWACCM: VMX MSR_IA32_FEATURE_CONTROL=%RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
440	#ifdef RT_OS_DARWIN
441	if (VMMIsHwVirtExtForced(pVM))
442	return VM_SET_ERROR(pVM, VERR_VMX_NO_VMX, "VT-x is not available.");
443	#endif
444	return VINF_SUCCESS;
445	}
446
447	/*
448	* 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
449	* because it turns off paging, which is not allowed in VMX root mode.
450	*
451	* 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.
452	* There's no such problem with AMD-V. (@todo)
453	*
454	*/
455	/* If we enabled or disabled hwaccm mode, then it can't be changed until all the VMs are shutdown. */
456	rc = SUPCallVMMR0Ex(pVM->pVMR0, VMMR0_DO_HWACC_ENABLE, (pVM->hwaccm.s.fAllowed) ? HWACCMSTATE_ENABLED : HWACCMSTATE_DISABLED, NULL);
457	if (RT_FAILURE(rc))
458	{
459	LogRel(("HWACCMR3InitFinalize: SUPCallVMMR0Ex VMMR0_DO_HWACC_ENABLE failed with %Rrc\n", rc));
460	LogRel(("HWACCMR3InitFinalize: disallowed %s of HWACCM\n", pVM->hwaccm.s.fAllowed ? "enabling" : "disabling"));
461
462	#ifdef RT_OS_DARWIN
463	/*
464	* This is 100% fatal if we didn't prepare for a HwVirtExt setup because of
465	* missing ring-0 allocations. For VMs that require HwVirtExt it doesn't normally
466	* make sense to try run them in software mode, so fail that too.
467	*/
468	if (VMMIsHwVirtExtForced(pVM))
469	VM_SET_ERROR(pVM, rc, "An active VM already uses software virtualization. It is not allowed to "
470	"simultaneously use VT-x.");
471	else
472	VM_SET_ERROR(pVM, rc, "An active VM already uses Intel VT-x hardware acceleration. It is not "
473	"allowed to simultaneously use software virtualization.");
474	return rc;
475
476	#else /* !RT_OS_DARWIN */
477
478	/* Invert the selection */
479	pVM->hwaccm.s.fAllowed ^= 1;
480	if (pVM->hwaccm.s.fAllowed)
481	{
482	if (pVM->hwaccm.s.vmx.fSupported)
483	VM_SET_ERROR(pVM, rc, "An active VM already uses Intel VT-x hardware acceleration. It is not allowed "
484	"to simultaneously use software virtualization.\n");
485	else
486	VM_SET_ERROR(pVM, rc, "An active VM already uses AMD-V hardware acceleration. It is not allowed to "
487	"simultaneously use software virtualization.\n");
488	}
489	else
490	VM_SET_ERROR(pVM, rc, "An active VM already uses software virtualization. It is not allowed to simultaneously "
491	"use VT-x or AMD-V.\n");
492	return rc;
493	#endif /* !RT_OS_DARWIN */
494	}
495
496	if (pVM->hwaccm.s.fAllowed == false)
497	return VINF_SUCCESS; /* disabled */
498
499	Assert(!pVM->fHWACCMEnabled \|\| VMMIsHwVirtExtForced(pVM));
500
501	if (pVM->hwaccm.s.vmx.fSupported)
502	{
503	Log(("pVM->hwaccm.s.vmx.fSupported = %d\n", pVM->hwaccm.s.vmx.fSupported));
504
505	if ( pVM->hwaccm.s.fInitialized == false
506	&& pVM->hwaccm.s.vmx.msr.feature_ctrl != 0)
507	{
508	uint64_t val;
509	RTGCPHYS GCPhys = 0;
510
511	LogRel(("HWACCM: Host CR4=%08X\n", pVM->hwaccm.s.vmx.hostCR4));
512	LogRel(("HWACCM: MSR_IA32_FEATURE_CONTROL = %RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
513	LogRel(("HWACCM: MSR_IA32_VMX_BASIC_INFO = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_basic_info));
514	LogRel(("HWACCM: VMCS id = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_ID(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
515	LogRel(("HWACCM: VMCS size = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
516	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"));
517	LogRel(("HWACCM: VMCS memory type = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
518	LogRel(("HWACCM: Dual monitor treatment = %d\n", MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
519
520	LogRel(("HWACCM: MSR_IA32_VMX_PINBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.u));
521	val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.allowed1;
522	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
523	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT\n"));
524	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
525	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT\n"));
526	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI)
527	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI\n"));
528	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER)
529	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER\n"));
530	val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.disallowed0;
531	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
532	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT must be set\n"));
533	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
534	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT must be set\n"));
535	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI)
536	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI must be set\n"));
537	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER)
538	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER must be set\n"));
539
540	LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.u));
541	val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1;
542	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
543	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT\n"));
544	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
545	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET\n"));
546	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
547	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT\n"));
548	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
549	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT\n"));
550	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
551	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT\n"));
552	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
553	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT\n"));
554	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
555	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT\n"));
556	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
557	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT\n"));
558	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
559	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT\n"));
560	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
561	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT\n"));
562	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
563	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT\n"));
564	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
565	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW\n"));
566	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT)
567	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT\n"));
568	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
569	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT\n"));
570	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
571	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT\n"));
572	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
573	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS\n"));
574	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
575	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG\n"));
576	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
577	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS\n"));
578	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
579	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT\n"));
580	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
581	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT\n"));
582	if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
583	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL\n"));
584
585	val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.disallowed0;
586	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
587	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT must be set\n"));
588	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
589	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET must be set\n"));
590	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
591	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT must be set\n"));
592	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
593	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT must be set\n"));
594	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
595	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT must be set\n"));
596	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
597	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT must be set\n"));
598	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
599	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT must be set\n"));
600	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
601	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT must be set\n"));
602	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
603	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT must be set\n"));
604	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
605	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT must be set\n"));
606	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
607	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT must be set\n"));
608	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
609	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW must be set\n"));
610	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT)
611	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT must be set\n"));
612	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
613	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT must be set\n"));
614	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
615	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT must be set\n"));
616	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
617	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS must be set\n"));
618	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
619	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG must be set\n"));
620	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
621	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS must be set\n"));
622	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
623	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT must be set\n"));
624	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
625	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT must be set\n"));
626	if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
627	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL must be set\n"));
628
629	if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
630	{
631	LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS2 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.u));
632	val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1;
633	if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
634	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC\n"));
635	if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
636	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT\n"));
637	if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT)
638	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT\n"));
639	if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC)
640	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC\n"));
641	if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
642	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID\n"));
643	if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
644	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT\n"));
645
646	val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.disallowed0;
647	if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
648	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC must be set\n"));
649	if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT)
650	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT must be set\n"));
651	if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC)
652	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC must be set\n"));
653	if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
654	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT must be set\n"));
655	if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
656	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID must be set\n"));
657	if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
658	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT must be set\n"));
659	}
660
661	LogRel(("HWACCM: MSR_IA32_VMX_ENTRY_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_entry.u));
662	val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.allowed1;
663	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
664	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG\n"));
665	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
666	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE\n"));
667	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
668	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM\n"));
669	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
670	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON\n"));
671	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
672	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR\n"));
673	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
674	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR\n"));
675	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
676	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR\n"));
677	val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.disallowed0;
678	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
679	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG must be set\n"));
680	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
681	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE must be set\n"));
682	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
683	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM must be set\n"));
684	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
685	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON must be set\n"));
686	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
687	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR must be set\n"));
688	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
689	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR must be set\n"));
690	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
691	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR must be set\n"));
692
693	LogRel(("HWACCM: MSR_IA32_VMX_EXIT_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_exit.u));
694	val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.allowed1;
695	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
696	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG\n"));
697	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
698	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64\n"));
699	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
700	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ\n"));
701	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
702	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR\n"));
703	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
704	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR\n"));
705	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
706	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR\n"));
707	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
708	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR\n"));
709	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
710	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER\n"));
711	val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.disallowed0;
712	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
713	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG must be set\n"));
714	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
715	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 must be set\n"));
716	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
717	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ must be set\n"));
718	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
719	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR must be set\n"));
720	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
721	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR must be set\n"));
722	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
723	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR must be set\n"));
724	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
725	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR must be set\n"));
726	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
727	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER must be set\n"));
728
729	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps)
730	{
731	LogRel(("HWACCM: MSR_IA32_VMX_EPT_VPID_CAPS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_eptcaps));
732
733	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY)
734	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY\n"));
735	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY)
736	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY\n"));
737	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY)
738	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY\n"));
739	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS)
740	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS\n"));
741	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS)
742	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS\n"));
743	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS)
744	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS\n"));
745	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS)
746	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS\n"));
747	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS)
748	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS\n"));
749	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_UC)
750	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_UC\n"));
751	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WC)
752	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WC\n"));
753	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WT)
754	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WT\n"));
755	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WP)
756	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WP\n"));
757	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WB)
758	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WB\n"));
759	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_21_BITS)
760	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_21_BITS\n"));
761	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_30_BITS)
762	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_30_BITS\n"));
763	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_39_BITS)
764	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_39_BITS\n"));
765	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_48_BITS)
766	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_48_BITS\n"));
767	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT)
768	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT\n"));
769	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV)
770	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV\n"));
771	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT)
772	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT\n"));
773	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL)
774	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL\n"));
775	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID)
776	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID\n"));
777	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV)
778	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV\n"));
779	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT)
780	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT\n"));
781	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL)
782	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL\n"));
783	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL)
784	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL\n"));
785	}
786
787	LogRel(("HWACCM: MSR_IA32_VMX_MISC = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_misc));
788	LogRel(("HWACCM: MSR_IA32_VMX_MISC_PREEMPT_TSC_BIT %x\n", MSR_IA32_VMX_MISC_PREEMPT_TSC_BIT(pVM->hwaccm.s.vmx.msr.vmx_misc)));
789	LogRel(("HWACCM: MSR_IA32_VMX_MISC_ACTIVITY_STATES %x\n", MSR_IA32_VMX_MISC_ACTIVITY_STATES(pVM->hwaccm.s.vmx.msr.vmx_misc)));
790	LogRel(("HWACCM: MSR_IA32_VMX_MISC_CR3_TARGET %x\n", MSR_IA32_VMX_MISC_CR3_TARGET(pVM->hwaccm.s.vmx.msr.vmx_misc)));
791	LogRel(("HWACCM: MSR_IA32_VMX_MISC_MAX_MSR %x\n", MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc)));
792	LogRel(("HWACCM: MSR_IA32_VMX_MISC_MSEG_ID %x\n", MSR_IA32_VMX_MISC_MSEG_ID(pVM->hwaccm.s.vmx.msr.vmx_misc)));
793
794	LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0));
795	LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1));
796	LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0));
797	LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1));
798	LogRel(("HWACCM: MSR_IA32_VMX_VMCS_ENUM = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_vmcs_enum));
799
800	LogRel(("HWACCM: TPR shadow physaddr = %RHp\n", pVM->hwaccm.s.vmx.pAPICPhys));
801	LogRel(("HWACCM: MSR bitmap physaddr = %RHp\n", pVM->hwaccm.s.vmx.pMSRBitmapPhys));
802
803	for (unsigned i=0;i<pVM->cCPUs;i++)
804	LogRel(("HWACCM: VMCS physaddr VCPU%d = %RHp\n", i, pVM->aCpus[i].hwaccm.s.vmx.pVMCSPhys));
805
806	#ifdef HWACCM_VTX_WITH_EPT
807	if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
808	pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
809	#endif /* HWACCM_VTX_WITH_EPT */
810	#ifdef HWACCM_VTX_WITH_VPID
811	if ( (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
812	&& !pVM->hwaccm.s.fNestedPaging) /* VPID and EPT are mutually exclusive. */
813	pVM->hwaccm.s.vmx.fVPID = pVM->hwaccm.s.vmx.fAllowVPID;
814	#endif /* HWACCM_VTX_WITH_VPID */
815
816	/* Only try once. */
817	pVM->hwaccm.s.fInitialized = true;
818
819	/* Allocate three pages for the TSS we need for real mode emulation. (2 page for the IO bitmap) */
820	#if 1
821	rc = PDMR3VMMDevHeapAlloc(pVM, HWACCM_VTX_TOTAL_DEVHEAP_MEM, (RTR3PTR *)&pVM->hwaccm.s.vmx.pRealModeTSS);
822	#else
823	rc = VERR_NO_MEMORY; /* simulation of no VMMDev Heap. */
824	#endif
825	if (RT_SUCCESS(rc))
826	{
827	/* The I/O bitmap starts right after the virtual interrupt redirection bitmap. */
828	ASMMemZero32(pVM->hwaccm.s.vmx.pRealModeTSS, sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS));
829	pVM->hwaccm.s.vmx.pRealModeTSS->offIoBitmap = sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS);
830	/* Bit set to 0 means redirection enabled. */
831	memset(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap, 0x0, sizeof(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap));
832	/* Allow all port IO, so the VT-x IO intercepts do their job. */
833	memset(pVM->hwaccm.s.vmx.pRealModeTSS + 1, 0, PAGE_SIZE*2);
834	((unsigned char )pVM->hwaccm.s.vmx.pRealModeTSS + HWACCM_VTX_TSS_SIZE - 2) = 0xff;
835
836	/* Construct a 1024 element page directory with 4 MB pages for the identity mapped page table used in
837	* real and protected mode without paging with EPT.
838	*/
839	pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = (PX86PD)((char )pVM->hwaccm.s.vmx.pRealModeTSS + PAGE_SIZE 3);
840	for (unsigned i=0;i<X86_PG_ENTRIES;i++)
841	{
842	pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable->a[i].u = _4M * i;
843	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;
844	}
845
846	/* We convert it here every time as pci regions could be reconfigured. */
847	rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pRealModeTSS, &GCPhys);
848	AssertRC(rc);
849	LogRel(("HWACCM: Real Mode TSS guest physaddr = %RGp\n", GCPhys));
850
851	rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable, &GCPhys);
852	AssertRC(rc);
853	LogRel(("HWACCM: Non-Paging Mode EPT CR3 = %RGp\n", GCPhys));
854	}
855	else
856	{
857	LogRel(("HWACCM: No real mode VT-x support (PDMR3VMMDevHeapAlloc returned %Rrc)\n", rc));
858	pVM->hwaccm.s.vmx.pRealModeTSS = NULL;
859	pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = NULL;
860	}
861
862	rc = SUPCallVMMR0Ex(pVM->pVMR0, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
863	AssertRC(rc);
864	if (rc == VINF_SUCCESS)
865	{
866	pVM->fHWACCMEnabled = true;
867	pVM->hwaccm.s.vmx.fEnabled = true;
868	hwaccmR3DisableRawMode(pVM);
869
870	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
871	#ifdef VBOX_ENABLE_64_BITS_GUESTS
872	if (pVM->hwaccm.s.fAllow64BitGuests)
873	{
874	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
875	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
876	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL); /* 64 bits only on Intel CPUs */
877	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
878	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
879	}
880	LogRel((pVM->hwaccm.s.fAllow64BitGuests
881	? "HWACCM: 32-bit and 64-bit guest supported.\n"
882	: "HWACCM: 32-bit guest supported.\n"));
883	#else
884	LogRel(("HWACCM: 32-bit guest supported.\n"));
885	#endif
886	LogRel(("HWACCM: VMX enabled!\n"));
887	if (pVM->hwaccm.s.fNestedPaging)
888	{
889	LogRel(("HWACCM: Enabled nested paging\n"));
890	LogRel(("HWACCM: EPT root page = %RHp\n", PGMGetEPTCR3(pVM)));
891	}
892	if (pVM->hwaccm.s.vmx.fVPID)
893	LogRel(("HWACCM: Enabled VPID\n"));
894
895	if ( pVM->hwaccm.s.fNestedPaging
896	\|\| pVM->hwaccm.s.vmx.fVPID)
897	{
898	LogRel(("HWACCM: enmFlushPage %d\n", pVM->hwaccm.s.vmx.enmFlushPage));
899	LogRel(("HWACCM: enmFlushContext %d\n", pVM->hwaccm.s.vmx.enmFlushContext));
900	}
901	}
902	else
903	{
904	LogRel(("HWACCM: VMX setup failed with rc=%Rrc!\n", rc));
905	LogRel(("HWACCM: Last instruction error %x\n", pVM->aCpus[0].hwaccm.s.vmx.lasterror.ulInstrError));
906	pVM->fHWACCMEnabled = false;
907	}
908	}
909	}
910	else
911	if (pVM->hwaccm.s.svm.fSupported)
912	{
913	Log(("pVM->hwaccm.s.svm.fSupported = %d\n", pVM->hwaccm.s.svm.fSupported));
914
915	if (pVM->hwaccm.s.fInitialized == false)
916	{
917	/* Erratum 170 which requires a forced TLB flush for each world switch:
918	* See http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/33610.pdf
919	*
920	* All BH-G1/2 and DH-G1/2 models include a fix:
921	* Athlon X2: 0x6b 1/2
922	* 0x68 1/2
923	* Athlon 64: 0x7f 1
924	* 0x6f 2
925	* Sempron: 0x7f 1/2
926	* 0x6f 2
927	* 0x6c 2
928	* 0x7c 2
929	* Turion 64: 0x68 2
930	*
931	*/
932	uint32_t u32Dummy;
933	uint32_t u32Version, u32Family, u32Model, u32Stepping, u32BaseFamily;
934	ASMCpuId(1, &u32Version, &u32Dummy, &u32Dummy, &u32Dummy);
935	u32BaseFamily= (u32Version >> 8) & 0xf;
936	u32Family = u32BaseFamily + (u32BaseFamily == 0xf ? ((u32Version >> 20) & 0x7f) : 0);
937	u32Model = ((u32Version >> 4) & 0xf);
938	u32Model = u32Model \| ((u32BaseFamily == 0xf ? (u32Version >> 16) & 0x0f : 0) << 4);
939	u32Stepping = u32Version & 0xf;
940	if ( u32Family == 0xf
941	&& !((u32Model == 0x68 \|\| u32Model == 0x6b \|\| u32Model == 0x7f) && u32Stepping >= 1)
942	&& !((u32Model == 0x6f \|\| u32Model == 0x6c \|\| u32Model == 0x7c) && u32Stepping >= 2))
943	{
944	LogRel(("HWACMM: AMD cpu with erratum 170 family %x model %x stepping %x\n", u32Family, u32Model, u32Stepping));
945	}
946
947	LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureECX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureECX));
948	LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureEDX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureEDX));
949	LogRel(("HWACCM: SVM revision = %X\n", pVM->hwaccm.s.svm.u32Rev));
950	LogRel(("HWACCM: SVM max ASID = %d\n", pVM->hwaccm.s.uMaxASID));
951	LogRel(("HWACCM: SVM features = %X\n", pVM->hwaccm.s.svm.u32Features));
952
953	if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING)
954	LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING\n"));
955	if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT)
956	LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT\n"));
957	if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK)
958	LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK\n"));
959	if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE)
960	LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE\n"));
961	if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE)
962	LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE\n"));
963
964	/* Only try once. */
965	pVM->hwaccm.s.fInitialized = true;
966
967	if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING)
968	pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
969
970	rc = SUPCallVMMR0Ex(pVM->pVMR0, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
971	AssertRC(rc);
972	if (rc == VINF_SUCCESS)
973	{
974	pVM->fHWACCMEnabled = true;
975	pVM->hwaccm.s.svm.fEnabled = true;
976
977	if (pVM->hwaccm.s.fNestedPaging)
978	LogRel(("HWACCM: Enabled nested paging\n"));
979
980	hwaccmR3DisableRawMode(pVM);
981	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
982	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL);
983	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_RDTSCP);
984	#ifdef VBOX_ENABLE_64_BITS_GUESTS
985	if (pVM->hwaccm.s.fAllow64BitGuests)
986	{
987	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
988	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
989	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
990	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
991	}
992	#endif
993	LogRel((pVM->hwaccm.s.fAllow64BitGuests
994	? "HWACCM: 32-bit and 64-bit guest supported.\n"
995	: "HWACCM: 32-bit guest supported.\n"));
996	}
997	else
998	{
999	pVM->fHWACCMEnabled = false;
1000	}
1001	}
1002	}
1003	return VINF_SUCCESS;
1004	}
1005
1006	/**
1007	* Applies relocations to data and code managed by this
1008	* component. This function will be called at init and
1009	* whenever the VMM need to relocate it self inside the GC.
1010	*
1011	* @param pVM The VM.
1012	*/
1013	VMMR3DECL(void) HWACCMR3Relocate(PVM pVM)
1014	{
1015	Log(("HWACCMR3Relocate to %RGv\n", MMHyperGetArea(pVM, 0)));
1016
1017	/* Fetch the current paging mode during the relocate callback during state loading. */
1018	if (VMR3GetState(pVM) == VMSTATE_LOADING)
1019	{
1020	for (unsigned i=0;i<pVM->cCPUs;i++)
1021	{
1022	PVMCPU pVCpu = &pVM->aCpus[i];
1023	/* @todo SMP */
1024	pVCpu->hwaccm.s.enmShadowMode = PGMGetShadowMode(pVM);
1025	pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = PGMGetGuestMode(pVM);
1026	}
1027	}
1028	#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
1029	if (pVM->fHWACCMEnabled)
1030	{
1031	int rc;
1032
1033	switch(PGMGetHostMode(pVM))
1034	{
1035	case PGMMODE_32_BIT:
1036	pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_32_TO_AMD64);
1037	break;
1038
1039	case PGMMODE_PAE:
1040	case PGMMODE_PAE_NX:
1041	pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_PAE_TO_AMD64);
1042	break;
1043
1044	default:
1045	AssertFailed();
1046	break;
1047	}
1048	rc = PDMR3LdrGetSymbolRC(pVM, NULL, "VMXGCStartVM64", &pVM->hwaccm.s.pfnVMXGCStartVM64);
1049	AssertReleaseMsgRC(rc, ("VMXGCStartVM64 -> rc=%Rrc\n", rc));
1050
1051	rc = PDMR3LdrGetSymbolRC(pVM, NULL, "SVMGCVMRun64", &pVM->hwaccm.s.pfnSVMGCVMRun64);
1052	AssertReleaseMsgRC(rc, ("SVMGCVMRun64 -> rc=%Rrc\n", rc));
1053
1054	rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestFPU64", &pVM->hwaccm.s.pfnSaveGuestFPU64);
1055	AssertReleaseMsgRC(rc, ("HWACCMSetupFPU64 -> rc=%Rrc\n", rc));
1056
1057	rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestDebug64", &pVM->hwaccm.s.pfnSaveGuestDebug64);
1058	AssertReleaseMsgRC(rc, ("HWACCMSetupDebug64 -> rc=%Rrc\n", rc));
1059
1060	# ifdef DEBUG
1061	rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMTestSwitcher64", &pVM->hwaccm.s.pfnTest64);
1062	AssertReleaseMsgRC(rc, ("HWACCMTestSwitcher64 -> rc=%Rrc\n", rc));
1063	# endif
1064	}
1065	#endif
1066	return;
1067	}
1068
1069	/**
1070	* Checks hardware accelerated raw mode is allowed.
1071	*
1072	* @returns boolean
1073	* @param pVM The VM to operate on.
1074	*/
1075	VMMR3DECL(bool) HWACCMR3IsAllowed(PVM pVM)
1076	{
1077	return pVM->hwaccm.s.fAllowed;
1078	}
1079
1080	/**
1081	* Notification callback which is called whenever there is a chance that a CR3
1082	* value might have changed.
1083	*
1084	* This is called by PGM.
1085	*
1086	* @param pVM The VM to operate on.
1087	* @param enmShadowMode New shadow paging mode.
1088	* @param enmGuestMode New guest paging mode.
1089	*/
1090	VMMR3DECL(void) HWACCMR3PagingModeChanged(PVM pVM, PGMMODE enmShadowMode, PGMMODE enmGuestMode)
1091	{
1092	/* Ignore page mode changes during state loading. */
1093	if (VMR3GetState(pVM) == VMSTATE_LOADING)
1094	return;
1095
1096	PVMCPU pVCpu = VMMGetCpu(pVM);
1097	pVCpu->hwaccm.s.enmShadowMode = enmShadowMode;
1098
1099	if ( pVM->hwaccm.s.vmx.fEnabled
1100	&& pVM->fHWACCMEnabled)
1101	{
1102	if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL
1103	&& enmGuestMode >= PGMMODE_PROTECTED)
1104	{
1105	PCPUMCTX pCtx;
1106
1107	pCtx = CPUMQueryGuestCtxPtr(pVM);
1108
1109	/* After a real mode switch to protected mode we must force
1110	* CPL to 0. Our real mode emulation had to set it to 3.
1111	*/
1112	pCtx->ssHid.Attr.n.u2Dpl = 0;
1113	}
1114	}
1115
1116	if (pVCpu->hwaccm.s.vmx.enmCurrGuestMode != enmGuestMode)
1117	{
1118	/* Keep track of paging mode changes. */
1119	pVCpu->hwaccm.s.vmx.enmPrevGuestMode = pVCpu->hwaccm.s.vmx.enmCurrGuestMode;
1120	pVCpu->hwaccm.s.vmx.enmCurrGuestMode = enmGuestMode;
1121
1122	/* Did we miss a change, because all code was executed in the recompiler? */
1123	if (pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == enmGuestMode)
1124	{
1125	Log(("HWACCMR3PagingModeChanged missed %s->%s transition (last seen %s)\n", PGMGetModeName(pVCpu->hwaccm.s.vmx.enmPrevGuestMode), PGMGetModeName(pVCpu->hwaccm.s.vmx.enmCurrGuestMode), PGMGetModeName(pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode)));
1126	pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = pVCpu->hwaccm.s.vmx.enmPrevGuestMode;
1127	}
1128	}
1129
1130	/* Reset the contents of the read cache. */
1131	PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
1132	for (unsigned j=0;j<pCache->Read.cValidEntries;j++)
1133	pCache->Read.aFieldVal[j] = 0;
1134	}
1135
1136	/**
1137	* Terminates the HWACCM.
1138	*
1139	* Termination means cleaning up and freeing all resources,
1140	* the VM it self is at this point powered off or suspended.
1141	*
1142	* @returns VBox status code.
1143	* @param pVM The VM to operate on.
1144	*/
1145	VMMR3DECL(int) HWACCMR3Term(PVM pVM)
1146	{
1147	if (pVM->hwaccm.s.vmx.pRealModeTSS)
1148	{
1149	PDMR3VMMDevHeapFree(pVM, pVM->hwaccm.s.vmx.pRealModeTSS);
1150	pVM->hwaccm.s.vmx.pRealModeTSS = 0;
1151	}
1152	return 0;
1153	}
1154
1155	/**
1156	* Terminates the per-VCPU HWACCM.
1157	*
1158	* Termination means cleaning up and freeing all resources,
1159	* the VM it self is at this point powered off or suspended.
1160	*
1161	* @returns VBox status code.
1162	* @param pVM The VM to operate on.
1163	*/
1164	VMMR3DECL(int) HWACCMR3TermCPU(PVM pVM)
1165	{
1166	for (unsigned i=0;i<pVM->cCPUs;i++)
1167	{
1168	PVMCPU pVCpu = &pVM->aCpus[i];
1169
1170	if (pVCpu->hwaccm.s.paStatExitReason)
1171	{
1172	MMHyperFree(pVM, pVCpu->hwaccm.s.paStatExitReason);
1173	pVCpu->hwaccm.s.paStatExitReason = NULL;
1174	pVCpu->hwaccm.s.paStatExitReasonR0 = NIL_RTR0PTR;
1175	}
1176	pVCpu->hwaccm.s.vmx.VMCSCache.uPos = 0xffffffff;
1177	}
1178	return 0;
1179	}
1180
1181	/**
1182	* The VM is being reset.
1183	*
1184	* For the HWACCM component this means that any GDT/LDT/TSS monitors
1185	* needs to be removed.
1186	*
1187	* @param pVM VM handle.
1188	*/
1189	VMMR3DECL(void) HWACCMR3Reset(PVM pVM)
1190	{
1191	LogFlow(("HWACCMR3Reset:\n"));
1192
1193	if (pVM->fHWACCMEnabled)
1194	hwaccmR3DisableRawMode(pVM);
1195
1196	for (unsigned i=0;i<pVM->cCPUs;i++)
1197	{
1198	PVMCPU pVCpu = &pVM->aCpus[i];
1199
1200	/* On first entry we'll sync everything. */
1201	pVCpu->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
1202
1203	pVCpu->hwaccm.s.vmx.cr0_mask = 0;
1204	pVCpu->hwaccm.s.vmx.cr4_mask = 0;
1205
1206	pVCpu->hwaccm.s.Event.fPending = false;
1207
1208	/* Reset state information for real-mode emulation in VT-x. */
1209	pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = PGMMODE_REAL;
1210	pVCpu->hwaccm.s.vmx.enmPrevGuestMode = PGMMODE_REAL;
1211	pVCpu->hwaccm.s.vmx.enmCurrGuestMode = PGMMODE_REAL;
1212
1213	/* Reset the contents of the read cache. */
1214	PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
1215	for (unsigned j=0;j<pCache->Read.cValidEntries;j++)
1216	pCache->Read.aFieldVal[j] = 0;
1217
1218	/* Magic marker for searching in crash dumps. */
1219	strcpy((char *)pCache->aMagic, "VMCSCACHE Magic");
1220	pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF);
1221	}
1222	}
1223
1224	/**
1225	* Checks if we can currently use hardware accelerated raw mode.
1226	*
1227	* @returns boolean
1228	* @param pVM The VM to operate on.
1229	* @param pCtx Partial VM execution context
1230	*/
1231	VMMR3DECL(bool) HWACCMR3CanExecuteGuest(PVM pVM, PCPUMCTX pCtx)
1232	{
1233	Assert(pVM->fHWACCMEnabled);
1234
1235	/* AMD SVM supports real & protected mode with or without paging. */
1236	if (pVM->hwaccm.s.svm.fEnabled)
1237	{
1238	pVM->hwaccm.s.fActive = true;
1239	return true;
1240	}
1241
1242	pVM->hwaccm.s.fActive = false;
1243
1244	/* Note! The context supplied by REM is partial. If we add more checks here, be sure to verify that REM provides this info! */
1245	#ifdef HWACCM_VMX_EMULATE_REALMODE
1246	if (pVM->hwaccm.s.vmx.pRealModeTSS)
1247	{
1248	if (CPUMIsGuestInRealModeEx(pCtx))
1249	{
1250	/* VT-x will not allow high selector bases in v86 mode; fall back to the recompiler in that case.
1251	* The base must also be equal to (sel << 4).
1252	*/
1253	if ( ( pCtx->cs != (pCtx->csHid.u64Base >> 4)
1254	&& pCtx->csHid.u64Base != 0xffff0000 /* we can deal with the BIOS code as it's also mapped into the lower region. */)
1255	\|\| pCtx->ds != (pCtx->dsHid.u64Base >> 4)
1256	\|\| pCtx->es != (pCtx->esHid.u64Base >> 4)
1257	\|\| pCtx->fs != (pCtx->fsHid.u64Base >> 4)
1258	\|\| pCtx->gs != (pCtx->gsHid.u64Base >> 4)
1259	\|\| pCtx->ss != (pCtx->ssHid.u64Base >> 4))
1260	{
1261	return false;
1262	}
1263	}
1264	else
1265	{
1266	PGMMODE enmGuestMode = PGMGetGuestMode(pVM);
1267	/* Verify the requirements for executing code in protected mode. VT-x can't handle the CPU state right after a switch
1268	* from real to protected mode. (all sorts of RPL & DPL assumptions)
1269	*/
1270	PVMCPU pVCpu = VMMGetCpu(pVM);
1271
1272	if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL
1273	&& enmGuestMode >= PGMMODE_PROTECTED)
1274	{
1275	if ( (pCtx->cs & X86_SEL_RPL)
1276	\|\| (pCtx->ds & X86_SEL_RPL)
1277	\|\| (pCtx->es & X86_SEL_RPL)
1278	\|\| (pCtx->fs & X86_SEL_RPL)
1279	\|\| (pCtx->gs & X86_SEL_RPL)
1280	\|\| (pCtx->ss & X86_SEL_RPL))
1281	{
1282	return false;
1283	}
1284	}
1285	}
1286	}
1287	else
1288	#endif /* HWACCM_VMX_EMULATE_REALMODE */
1289	{
1290	if (!CPUMIsGuestInLongModeEx(pCtx))
1291	{
1292	/** @todo This should (probably) be set on every excursion to the REM,
1293	* however it's too risky right now. So, only apply it when we go
1294	* back to REM for real mode execution. (The XP hack below doesn't
1295	* work reliably without this.)
1296	* Update: Implemented in EM.cpp, see #ifdef EM_NOTIFY_HWACCM. */
1297	pVM->aCpus[0].hwaccm.s.fContextUseFlags \|= HWACCM_CHANGED_ALL_GUEST;
1298
1299	/* Too early for VT-x; Solaris guests will fail with a guru meditation otherwise; same for XP. */
1300	if (pCtx->idtr.pIdt == 0 \|\| pCtx->idtr.cbIdt == 0 \|\| pCtx->tr == 0)
1301	return false;
1302
1303	/* The guest is about to complete the switch to protected mode. Wait a bit longer. */
1304	/* Windows XP; switch to protected mode; all selectors are marked not present in the
1305	* hidden registers (possible recompiler bug; see load_seg_vm) */
1306	if (pCtx->csHid.Attr.n.u1Present == 0)
1307	return false;
1308	if (pCtx->ssHid.Attr.n.u1Present == 0)
1309	return false;
1310
1311	/* Windows XP: possible same as above, but new recompiler requires new heuristics?
1312	VT-x doesn't seem to like something about the guest state and this stuff avoids it. */
1313	/** @todo This check is actually wrong, it doesn't take the direction of the
1314	* stack segment into account. But, it does the job for now. */
1315	if (pCtx->rsp >= pCtx->ssHid.u32Limit)
1316	return false;
1317	#if 0
1318	if ( pCtx->cs >= pCtx->gdtr.cbGdt
1319	\|\| pCtx->ss >= pCtx->gdtr.cbGdt
1320	\|\| pCtx->ds >= pCtx->gdtr.cbGdt
1321	\|\| pCtx->es >= pCtx->gdtr.cbGdt
1322	\|\| pCtx->fs >= pCtx->gdtr.cbGdt
1323	\|\| pCtx->gs >= pCtx->gdtr.cbGdt)
1324	return false;
1325	#endif
1326	}
1327	}
1328
1329	if (pVM->hwaccm.s.vmx.fEnabled)
1330	{
1331	uint32_t mask;
1332
1333	/* if bit N is set in cr0_fixed0, then it must be set in the guest's cr0. */
1334	mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0;
1335	/* Note: We ignore the NE bit here on purpose; see vmmr0\hwaccmr0.cpp for details. */
1336	mask &= ~X86_CR0_NE;
1337
1338	#ifdef HWACCM_VMX_EMULATE_REALMODE
1339	if (pVM->hwaccm.s.vmx.pRealModeTSS)
1340	{
1341	/* Note: We ignore the PE & PG bits here on purpose; we emulate real and protected mode without paging. */
1342	mask &= ~(X86_CR0_PG\|X86_CR0_PE);
1343	}
1344	else
1345	#endif
1346	{
1347	/* We support protected mode without paging using identity mapping. */
1348	mask &= ~X86_CR0_PG;
1349	}
1350	if ((pCtx->cr0 & mask) != mask)
1351	return false;
1352
1353	/* if bit N is cleared in cr0_fixed1, then it must be zero in the guest's cr0. */
1354	mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1;
1355	if ((pCtx->cr0 & mask) != 0)
1356	return false;
1357
1358	/* if bit N is set in cr4_fixed0, then it must be set in the guest's cr4. */
1359	mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0;
1360	mask &= ~X86_CR4_VMXE;
1361	if ((pCtx->cr4 & mask) != mask)
1362	return false;
1363
1364	/* if bit N is cleared in cr4_fixed1, then it must be zero in the guest's cr4. */
1365	mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1;
1366	if ((pCtx->cr4 & mask) != 0)
1367	return false;
1368
1369	pVM->hwaccm.s.fActive = true;
1370	return true;
1371	}
1372
1373	return false;
1374	}
1375
1376	/**
1377	* Notifcation from EM about a rescheduling into hardware assisted execution
1378	* mode.
1379	*
1380	* @param pVCpu Pointer to the current virtual cpu structure.
1381	*/
1382	VMMR3DECL(void) HWACCMR3NotifyScheduled(PVMCPU pVCpu)
1383	{
1384	pVCpu->hwaccm.s.fContextUseFlags \|= HWACCM_CHANGED_ALL_GUEST;
1385	}
1386
1387	/**
1388	* Notifcation from EM about returning from instruction emulation (REM / EM).
1389	*
1390	* @param pVCpu Pointer to the current virtual cpu structure.
1391	*/
1392	VMMR3DECL(void) HWACCMR3NotifyEmulated(PVMCPU pVCpu)
1393	{
1394	pVCpu->hwaccm.s.fContextUseFlags \|= HWACCM_CHANGED_ALL_GUEST;
1395	}
1396
1397	/**
1398	* Checks if we are currently using hardware accelerated raw mode.
1399	*
1400	* @returns boolean
1401	* @param pVM The VM to operate on.
1402	*/
1403	VMMR3DECL(bool) HWACCMR3IsActive(PVM pVM)
1404	{
1405	return pVM->hwaccm.s.fActive;
1406	}
1407
1408	/**
1409	* Checks if we are currently using nested paging.
1410	*
1411	* @returns boolean
1412	* @param pVM The VM to operate on.
1413	*/
1414	VMMR3DECL(bool) HWACCMR3IsNestedPagingActive(PVM pVM)
1415	{
1416	return pVM->hwaccm.s.fNestedPaging;
1417	}
1418
1419	/**
1420	* Checks if we are currently using VPID in VT-x mode.
1421	*
1422	* @returns boolean
1423	* @param pVM The VM to operate on.
1424	*/
1425	VMMR3DECL(bool) HWACCMR3IsVPIDActive(PVM pVM)
1426	{
1427	return pVM->hwaccm.s.vmx.fVPID;
1428	}
1429
1430
1431	/**
1432	* Checks if internal events are pending. In that case we are not allowed to dispatch interrupts.
1433	*
1434	* @returns boolean
1435	* @param pVM The VM to operate on.
1436	*/
1437	VMMR3DECL(bool) HWACCMR3IsEventPending(PVM pVM)
1438	{
1439	/* @todo SMP */
1440	return HWACCMIsEnabled(pVM) && pVM->aCpus[0].hwaccm.s.Event.fPending;
1441	}
1442
1443
1444	/**
1445	* Inject an NMI into a running VM
1446	*
1447	* @returns boolean
1448	* @param pVM The VM to operate on.
1449	*/
1450	VMMR3DECL(int) HWACCMR3InjectNMI(PVM pVM)
1451	{
1452	pVM->hwaccm.s.fInjectNMI = true;
1453	return VINF_SUCCESS;
1454	}
1455
1456	/**
1457	* Check fatal VT-x/AMD-V error and produce some meaningful
1458	* log release message.
1459	*
1460	* @param pVM The VM to operate on.
1461	* @param iStatusCode VBox status code
1462	*/
1463	VMMR3DECL(void) HWACCMR3CheckError(PVM pVM, int iStatusCode)
1464	{
1465	for (unsigned i=0;i<pVM->cCPUs;i++)
1466	{
1467	switch(iStatusCode)
1468	{
1469	case VERR_VMX_INVALID_VMCS_FIELD:
1470	break;
1471
1472	case VERR_VMX_INVALID_VMCS_PTR:
1473	LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current pointer %RGp vs %RGp\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.u64VMCSPhys, pVM->aCpus[i].hwaccm.s.vmx.pVMCSPhys));
1474	LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current VMCS version %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulVMCSRevision));
1475	LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Entered Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idEnteredCpu));
1476	LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idCurrentCpu));
1477	break;
1478
1479	case VERR_VMX_UNABLE_TO_START_VM:
1480	LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError));
1481	LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason));
1482	#if 0 /* @todo dump the current control fields to the release log */
1483	if (pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError == VMX_ERROR_VMENTRY_INVALID_CONTROL_FIELDS)
1484	{
1485
1486	}
1487	#endif
1488	break;
1489
1490	case VERR_VMX_UNABLE_TO_RESUME_VM:
1491	LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError));
1492	LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason));
1493	break;
1494
1495	case VERR_VMX_INVALID_VMXON_PTR:
1496	break;
1497	}
1498	}
1499	}
1500
1501	/**
1502	* Execute state save operation.
1503	*
1504	* @returns VBox status code.
1505	* @param pVM VM Handle.
1506	* @param pSSM SSM operation handle.
1507	*/
1508	static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM)
1509	{
1510	int rc;
1511
1512	Log(("hwaccmR3Save:\n"));
1513
1514	for (unsigned i=0;i<pVM->cCPUs;i++)
1515	{
1516	/*
1517	* Save the basic bits - fortunately all the other things can be resynced on load.
1518	*/
1519	rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.fPending);
1520	AssertRCReturn(rc, rc);
1521	rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.errCode);
1522	AssertRCReturn(rc, rc);
1523	rc = SSMR3PutU64(pSSM, pVM->aCpus[i].hwaccm.s.Event.intInfo);
1524	AssertRCReturn(rc, rc);
1525
1526	rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode);
1527	AssertRCReturn(rc, rc);
1528	rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode);
1529	AssertRCReturn(rc, rc);
1530	rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode);
1531	AssertRCReturn(rc, rc);
1532	}
1533
1534	return VINF_SUCCESS;
1535	}
1536
1537	/**
1538	* Execute state load operation.
1539	*
1540	* @returns VBox status code.
1541	* @param pVM VM Handle.
1542	* @param pSSM SSM operation handle.
1543	* @param u32Version Data layout version.
1544	*/
1545	static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version)
1546	{
1547	int rc;
1548
1549	Log(("hwaccmR3Load:\n"));
1550
1551	/*
1552	* Validate version.
1553	*/
1554	if ( u32Version != HWACCM_SSM_VERSION
1555	&& u32Version != HWACCM_SSM_VERSION_2_0_X)
1556	{
1557	AssertMsgFailed(("hwaccmR3Load: Invalid version u32Version=%d!\n", u32Version));
1558	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
1559	}
1560	for (unsigned i=0;i<pVM->cCPUs;i++)
1561	{
1562	rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.fPending);
1563	AssertRCReturn(rc, rc);
1564	rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.errCode);
1565	AssertRCReturn(rc, rc);
1566	rc = SSMR3GetU64(pSSM, &pVM->aCpus[i].hwaccm.s.Event.intInfo);
1567	AssertRCReturn(rc, rc);
1568
1569	if (u32Version >= HWACCM_SSM_VERSION)
1570	{
1571	uint32_t val;
1572
1573	rc = SSMR3GetU32(pSSM, &val);
1574	AssertRCReturn(rc, rc);
1575	pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode = (PGMMODE)val;
1576
1577	rc = SSMR3GetU32(pSSM, &val);
1578	AssertRCReturn(rc, rc);
1579	pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode = (PGMMODE)val;
1580
1581	rc = SSMR3GetU32(pSSM, &val);
1582	AssertRCReturn(rc, rc);
1583	pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode = (PGMMODE)val;
1584	}
1585	}
1586	return VINF_SUCCESS;
1587	}
1588

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source: vbox/trunk/src/VBox/VMM/HWACCM.cpp@ 15858

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