VirtualBox

source: vbox/trunk/include/VBox/vmm/hm_vmx.h@ 53425

Last change on this file since 53425 was 52573, checked in by vboxsync, 10 years ago

VMM/HMVMXR0: Fix a wrong invalid-guest-state check with regards to EFER.LMA and LME.

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1/** @file
2 * HM - VMX Structures and Definitions. (VMM)
3 */
4
5/*
6 * Copyright (C) 2006-2014 Oracle Corporation
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 *
16 * The contents of this file may alternatively be used under the terms
17 * of the Common Development and Distribution License Version 1.0
18 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19 * VirtualBox OSE distribution, in which case the provisions of the
20 * CDDL are applicable instead of those of the GPL.
21 *
22 * You may elect to license modified versions of this file under the
23 * terms and conditions of either the GPL or the CDDL or both.
24 */
25
26#ifndef ___VBox_vmm_vmx_h
27#define ___VBox_vmm_vmx_h
28
29#include <VBox/types.h>
30#include <VBox/err.h>
31#include <iprt/x86.h>
32#include <iprt/assert.h>
33
34/* In Visual C++ versions prior to 2012, the vmx intrinsics are only available
35 when targeting AMD64. */
36#if RT_INLINE_ASM_USES_INTRIN >= 16 && defined(RT_ARCH_AMD64)
37# include <intrin.h>
38/* We always want them as intrinsics, no functions. */
39# pragma intrinsic(__vmx_on)
40# pragma intrinsic(__vmx_off)
41# pragma intrinsic(__vmx_vmclear)
42# pragma intrinsic(__vmx_vmptrld)
43# pragma intrinsic(__vmx_vmread)
44# pragma intrinsic(__vmx_vmwrite)
45# define VMX_USE_MSC_INTRINSICS 1
46#else
47# define VMX_USE_MSC_INTRINSICS 0
48#endif
49
50
51/** @defgroup grp_vmx vmx Types and Definitions
52 * @ingroup grp_hm
53 * @{
54 */
55
56/** @def HMVMXCPU_GST_SET_UPDATED
57 * Sets a guest-state-updated flag.
58 *
59 * @param pVCpu Pointer to the VMCPU.
60 * @param fFlag The flag to set.
61 */
62#define HMVMXCPU_GST_SET_UPDATED(pVCpu, fFlag) (ASMAtomicUoOrU32(&(pVCpu)->hm.s.vmx.fUpdatedGuestState, (fFlag)))
63
64/** @def HMVMXCPU_GST_IS_SET
65 * Checks if all the flags in the specified guest-state-updated set is pending.
66 *
67 * @param pVCpu Pointer to the VMCPU.
68 * @param fFlag The flag to check.
69 */
70#define HMVMXCPU_GST_IS_SET(pVCpu, fFlag) ((ASMAtomicUoReadU32(&(pVCpu)->hm.s.vmx.fUpdatedGuestState) & (fFlag)) == (fFlag))
71
72/** @def HMVMXCPU_GST_IS_UPDATED
73 * Checks if one or more of the flags in the specified guest-state-updated set
74 * is updated.
75 *
76 * @param pVCpu Pointer to the VMCPU.
77 * @param fFlags The flags to check for.
78 */
79#define HMVMXCPU_GST_IS_UPDATED(pVCpu, fFlags) RT_BOOL(ASMAtomicUoReadU32(&(pVCpu)->hm.s.vmx.fUpdatedGuestState) & (fFlags))
80
81/** @def HMVMXCPU_GST_RESET_TO
82 * Resets the guest-state-updated flags to the specified value.
83 *
84 * @param pVCpu Pointer to the VMCPU.
85 * @param fFlags The new value.
86 */
87#define HMVMXCPU_GST_RESET_TO(pVCpu, fFlags) (ASMAtomicUoWriteU32(&(pVCpu)->hm.s.vmx.fUpdatedGuestState, (fFlags)))
88
89/** @def HMVMXCPU_GST_VALUE
90 * Returns the current guest-state-updated flags value.
91 *
92 * @param pVCpu Pointer to the VMCPU.
93 */
94#define HMVMXCPU_GST_VALUE(pVCpu) (ASMAtomicUoReadU32(&(pVCpu)->hm.s.vmx.fUpdatedGuestState))
95
96/** @name Host-state restoration flags.
97 * @{
98 */
99/* If you change these values don't forget to update the assembly defines as well! */
100#define VMX_RESTORE_HOST_SEL_DS RT_BIT(0)
101#define VMX_RESTORE_HOST_SEL_ES RT_BIT(1)
102#define VMX_RESTORE_HOST_SEL_FS RT_BIT(2)
103#define VMX_RESTORE_HOST_SEL_GS RT_BIT(3)
104#define VMX_RESTORE_HOST_SEL_TR RT_BIT(4)
105#define VMX_RESTORE_HOST_GDTR RT_BIT(5)
106#define VMX_RESTORE_HOST_IDTR RT_BIT(6)
107#define VMX_RESTORE_HOST_GDT_READ_ONLY RT_BIT(7)
108#define VMX_RESTORE_HOST_REQUIRED RT_BIT(8)
109/** @} */
110
111/**
112 * Host-state restoration structure.
113 * This holds host-state fields that require manual restoration.
114 * Assembly version found in hm_vmx.mac (should be automatically verified).
115 */
116typedef struct VMXRESTOREHOST
117{
118 RTSEL uHostSelDS; /* 0x00 */
119 RTSEL uHostSelES; /* 0x02 */
120 RTSEL uHostSelFS; /* 0x04 */
121 RTSEL uHostSelGS; /* 0x06 */
122 RTSEL uHostSelTR; /* 0x08 */
123 uint8_t abPadding0[4];
124 X86XDTR64 HostGdtr; /**< 0x0e - should be aligned by it's 64-bit member. */
125 uint8_t abPadding1[6];
126 X86XDTR64 HostIdtr; /**< 0x1e - should be aligned by it's 64-bit member. */
127 uint64_t uHostFSBase; /* 0x28 */
128 uint64_t uHostGSBase; /* 0x30 */
129} VMXRESTOREHOST;
130/** Pointer to VMXRESTOREHOST. */
131typedef VMXRESTOREHOST *PVMXRESTOREHOST;
132AssertCompileSize(X86XDTR64, 10);
133AssertCompileMemberOffset(VMXRESTOREHOST, HostGdtr.uAddr, 16);
134AssertCompileMemberOffset(VMXRESTOREHOST, HostIdtr.uAddr, 32);
135AssertCompileMemberOffset(VMXRESTOREHOST, uHostFSBase, 40);
136AssertCompileSize(VMXRESTOREHOST, 56);
137AssertCompileSizeAlignment(VMXRESTOREHOST, 8);
138
139/** @name Host-state MSR lazy-restoration flags.
140 * @{
141 */
142/** The host MSRs have been saved. */
143#define VMX_LAZY_MSRS_SAVED_HOST RT_BIT(0)
144/** The guest MSRs are loaded and in effect. */
145#define VMX_LAZY_MSRS_LOADED_GUEST RT_BIT(1)
146/** @} */
147
148/** @name VMX HM-error codes for VERR_HM_UNSUPPORTED_CPU_FEATURE_COMBO.
149 * UFC = Unsupported Feature Combination.
150 * @{
151 */
152/** Unsupported pin-based VM-execution controls combo. */
153#define VMX_UFC_CTRL_PIN_EXEC 0
154/** Unsupported processor-based VM-execution controls combo. */
155#define VMX_UFC_CTRL_PROC_EXEC 1
156/** Unsupported pin-based VM-execution controls combo. */
157#define VMX_UFC_CTRL_PROC_MOV_DRX_EXIT 2
158/** Unsupported VM-entry controls combo. */
159#define VMX_UFC_CTRL_ENTRY 3
160/** Unsupported VM-exit controls combo. */
161#define VMX_UFC_CTRL_EXIT 4
162/** MSR storage capacity of the VMCS autoload/store area is not sufficient
163 * for storing host MSRs. */
164#define VMX_UFC_INSUFFICIENT_HOST_MSR_STORAGE 5
165/** MSR storage capacity of the VMCS autoload/store area is not sufficient
166 * for storing guest MSRs. */
167#define VMX_UFC_INSUFFICIENT_GUEST_MSR_STORAGE 6
168/** Invalid VMCS size. */
169#define VMX_UFC_INVALID_VMCS_SIZE 7
170/** Unsupported secondary processor-based VM-execution controls combo. */
171#define VMX_UFC_CTRL_PROC_EXEC2 8
172/** Invalid unrestricted-guest execution controls combo. */
173#define VMX_UFC_INVALID_UX_COMBO 9
174/** @} */
175
176/** @name VMX HM-error codes for VERR_VMX_INVALID_GUEST_STATE.
177 * IGS = Invalid Guest State.
178 * @{
179 */
180/** An error occurred while checking invalid-guest-state. */
181#define VMX_IGS_ERROR 0
182/** The invalid guest-state checks did not find any reason why. */
183#define VMX_IGS_REASON_NOT_FOUND 1
184/** CR0 fixed1 bits invalid. */
185#define VMX_IGS_CR0_FIXED1 2
186/** CR0 fixed0 bits invalid. */
187#define VMX_IGS_CR0_FIXED0 3
188/** CR0.PE and CR0.PE invalid VT-x/host combination. */
189#define VMX_IGS_CR0_PG_PE_COMBO 4
190/** CR4 fixed1 bits invalid. */
191#define VMX_IGS_CR4_FIXED1 5
192/** CR4 fixed0 bits invalid. */
193#define VMX_IGS_CR4_FIXED0 6
194/** Reserved bits in VMCS' DEBUGCTL MSR field not set to 0 when
195 * VMX_VMCS_CTRL_ENTRY_LOAD_DEBUG is used. */
196#define VMX_IGS_DEBUGCTL_MSR_RESERVED 7
197/** CR0.PG not set for long-mode when not using unrestricted guest. */
198#define VMX_IGS_CR0_PG_LONGMODE 8
199/** CR4.PAE not set for long-mode guest when not using unrestricted guest. */
200#define VMX_IGS_CR4_PAE_LONGMODE 9
201/** CR4.PCIDE set for 32-bit guest. */
202#define VMX_IGS_CR4_PCIDE 10
203/** VMCS' DR7 reserved bits not set to 0. */
204#define VMX_IGS_DR7_RESERVED 11
205/** VMCS' PERF_GLOBAL MSR reserved bits not set to 0. */
206#define VMX_IGS_PERF_GLOBAL_MSR_RESERVED 12
207/** VMCS' EFER MSR reserved bits not set to 0. */
208#define VMX_IGS_EFER_MSR_RESERVED 13
209/** VMCS' EFER MSR.LMA does not match the IA32e mode guest control. */
210#define VMX_IGS_EFER_LMA_GUEST_MODE_MISMATCH 14
211/** VMCS' EFER MSR.LMA does not match EFER.LME of the guest when using paging
212 * without unrestricted guest. */
213#define VMX_IGS_EFER_LMA_LME_MISMATCH 15
214/** CS.Attr.P bit invalid. */
215#define VMX_IGS_CS_ATTR_P_INVALID 16
216/** CS.Attr reserved bits not set to 0. */
217#define VMX_IGS_CS_ATTR_RESERVED 17
218/** CS.Attr.G bit invalid. */
219#define VMX_IGS_CS_ATTR_G_INVALID 18
220/** CS is unusable. */
221#define VMX_IGS_CS_ATTR_UNUSABLE 19
222/** CS and SS DPL unequal. */
223#define VMX_IGS_CS_SS_ATTR_DPL_UNEQUAL 20
224/** CS and SS DPL mismatch. */
225#define VMX_IGS_CS_SS_ATTR_DPL_MISMATCH 21
226/** CS Attr.Type invalid. */
227#define VMX_IGS_CS_ATTR_TYPE_INVALID 22
228/** CS and SS RPL unequal. */
229#define VMX_IGS_SS_CS_RPL_UNEQUAL 23
230/** SS.Attr.DPL and SS RPL unequal. */
231#define VMX_IGS_SS_ATTR_DPL_RPL_UNEQUAL 24
232/** SS.Attr.DPL invalid for segment type. */
233#define VMX_IGS_SS_ATTR_DPL_INVALID 25
234/** SS.Attr.Type invalid. */
235#define VMX_IGS_SS_ATTR_TYPE_INVALID 26
236/** SS.Attr.P bit invalid. */
237#define VMX_IGS_SS_ATTR_P_INVALID 27
238/** SS.Attr reserved bits not set to 0. */
239#define VMX_IGS_SS_ATTR_RESERVED 28
240/** SS.Attr.G bit invalid. */
241#define VMX_IGS_SS_ATTR_G_INVALID 29
242/** DS.Attr.A bit invalid. */
243#define VMX_IGS_DS_ATTR_A_INVALID 30
244/** DS.Attr.P bit invalid. */
245#define VMX_IGS_DS_ATTR_P_INVALID 31
246/** DS.Attr.DPL and DS RPL unequal. */
247#define VMX_IGS_DS_ATTR_DPL_RPL_UNEQUAL 32
248/** DS.Attr reserved bits not set to 0. */
249#define VMX_IGS_DS_ATTR_RESERVED 33
250/** DS.Attr.G bit invalid. */
251#define VMX_IGS_DS_ATTR_G_INVALID 34
252/** DS.Attr.Type invalid. */
253#define VMX_IGS_DS_ATTR_TYPE_INVALID 35
254/** ES.Attr.A bit invalid. */
255#define VMX_IGS_ES_ATTR_A_INVALID 36
256/** ES.Attr.P bit invalid. */
257#define VMX_IGS_ES_ATTR_P_INVALID 37
258/** ES.Attr.DPL and DS RPL unequal. */
259#define VMX_IGS_ES_ATTR_DPL_RPL_UNEQUAL 38
260/** ES.Attr reserved bits not set to 0. */
261#define VMX_IGS_ES_ATTR_RESERVED 39
262/** ES.Attr.G bit invalid. */
263#define VMX_IGS_ES_ATTR_G_INVALID 40
264/** ES.Attr.Type invalid. */
265#define VMX_IGS_ES_ATTR_TYPE_INVALID 41
266/** FS.Attr.A bit invalid. */
267#define VMX_IGS_FS_ATTR_A_INVALID 42
268/** FS.Attr.P bit invalid. */
269#define VMX_IGS_FS_ATTR_P_INVALID 43
270/** FS.Attr.DPL and DS RPL unequal. */
271#define VMX_IGS_FS_ATTR_DPL_RPL_UNEQUAL 44
272/** FS.Attr reserved bits not set to 0. */
273#define VMX_IGS_FS_ATTR_RESERVED 45
274/** FS.Attr.G bit invalid. */
275#define VMX_IGS_FS_ATTR_G_INVALID 46
276/** FS.Attr.Type invalid. */
277#define VMX_IGS_FS_ATTR_TYPE_INVALID 47
278/** GS.Attr.A bit invalid. */
279#define VMX_IGS_GS_ATTR_A_INVALID 48
280/** GS.Attr.P bit invalid. */
281#define VMX_IGS_GS_ATTR_P_INVALID 49
282/** GS.Attr.DPL and DS RPL unequal. */
283#define VMX_IGS_GS_ATTR_DPL_RPL_UNEQUAL 50
284/** GS.Attr reserved bits not set to 0. */
285#define VMX_IGS_GS_ATTR_RESERVED 51
286/** GS.Attr.G bit invalid. */
287#define VMX_IGS_GS_ATTR_G_INVALID 52
288/** GS.Attr.Type invalid. */
289#define VMX_IGS_GS_ATTR_TYPE_INVALID 53
290/** V86 mode CS.Base invalid. */
291#define VMX_IGS_V86_CS_BASE_INVALID 54
292/** V86 mode CS.Limit invalid. */
293#define VMX_IGS_V86_CS_LIMIT_INVALID 55
294/** V86 mode CS.Attr invalid. */
295#define VMX_IGS_V86_CS_ATTR_INVALID 56
296/** V86 mode SS.Base invalid. */
297#define VMX_IGS_V86_SS_BASE_INVALID 57
298/** V86 mode SS.Limit invalid. */
299#define VMX_IGS_V86_SS_LIMIT_INVALID 58
300/** V86 mode SS.Attr invalid. */
301#define VMX_IGS_V86_SS_ATTR_INVALID 59
302/** V86 mode DS.Base invalid. */
303#define VMX_IGS_V86_DS_BASE_INVALID 60
304/** V86 mode DS.Limit invalid. */
305#define VMX_IGS_V86_DS_LIMIT_INVALID 61
306/** V86 mode DS.Attr invalid. */
307#define VMX_IGS_V86_DS_ATTR_INVALID 62
308/** V86 mode ES.Base invalid. */
309#define VMX_IGS_V86_ES_BASE_INVALID 63
310/** V86 mode ES.Limit invalid. */
311#define VMX_IGS_V86_ES_LIMIT_INVALID 64
312/** V86 mode ES.Attr invalid. */
313#define VMX_IGS_V86_ES_ATTR_INVALID 65
314/** V86 mode FS.Base invalid. */
315#define VMX_IGS_V86_FS_BASE_INVALID 66
316/** V86 mode FS.Limit invalid. */
317#define VMX_IGS_V86_FS_LIMIT_INVALID 67
318/** V86 mode FS.Attr invalid. */
319#define VMX_IGS_V86_FS_ATTR_INVALID 68
320/** V86 mode GS.Base invalid. */
321#define VMX_IGS_V86_GS_BASE_INVALID 69
322/** V86 mode GS.Limit invalid. */
323#define VMX_IGS_V86_GS_LIMIT_INVALID 70
324/** V86 mode GS.Attr invalid. */
325#define VMX_IGS_V86_GS_ATTR_INVALID 71
326/** Longmode CS.Base invalid. */
327#define VMX_IGS_LONGMODE_CS_BASE_INVALID 72
328/** Longmode SS.Base invalid. */
329#define VMX_IGS_LONGMODE_SS_BASE_INVALID 73
330/** Longmode DS.Base invalid. */
331#define VMX_IGS_LONGMODE_DS_BASE_INVALID 74
332/** Longmode ES.Base invalid. */
333#define VMX_IGS_LONGMODE_ES_BASE_INVALID 75
334/** SYSENTER ESP is not canonical. */
335#define VMX_IGS_SYSENTER_ESP_NOT_CANONICAL 76
336/** SYSENTER EIP is not canonical. */
337#define VMX_IGS_SYSENTER_EIP_NOT_CANONICAL 77
338/** PAT MSR invalid. */
339#define VMX_IGS_PAT_MSR_INVALID 78
340/** PAT MSR reserved bits not set to 0. */
341#define VMX_IGS_PAT_MSR_RESERVED 79
342/** GDTR.Base is not canonical. */
343#define VMX_IGS_GDTR_BASE_NOT_CANONICAL 80
344/** IDTR.Base is not canonical. */
345#define VMX_IGS_IDTR_BASE_NOT_CANONICAL 81
346/** GDTR.Limit invalid. */
347#define VMX_IGS_GDTR_LIMIT_INVALID 82
348/** IDTR.Limit invalid. */
349#define VMX_IGS_IDTR_LIMIT_INVALID 83
350/** Longmode RIP is invalid. */
351#define VMX_IGS_LONGMODE_RIP_INVALID 84
352/** RFLAGS reserved bits not set to 0. */
353#define VMX_IGS_RFLAGS_RESERVED 85
354/** RFLAGS RA1 reserved bits not set to 1. */
355#define VMX_IGS_RFLAGS_RESERVED1 86
356/** RFLAGS.VM (V86 mode) invalid. */
357#define VMX_IGS_RFLAGS_VM_INVALID 87
358/** RFLAGS.IF invalid. */
359#define VMX_IGS_RFLAGS_IF_INVALID 88
360/** Activity state invalid. */
361#define VMX_IGS_ACTIVITY_STATE_INVALID 89
362/** Activity state HLT invalid when SS.Attr.DPL is not zero. */
363#define VMX_IGS_ACTIVITY_STATE_HLT_INVALID 90
364/** Activity state ACTIVE invalid when block-by-STI or MOV SS. */
365#define VMX_IGS_ACTIVITY_STATE_ACTIVE_INVALID 91
366/** Activity state SIPI WAIT invalid. */
367#define VMX_IGS_ACTIVITY_STATE_SIPI_WAIT_INVALID 92
368/** Interruptibility state reserved bits not set to 0. */
369#define VMX_IGS_INTERRUPTIBILITY_STATE_RESERVED 93
370/** Interruptibility state cannot be block-by-STI -and- MOV SS. */
371#define VMX_IGS_INTERRUPTIBILITY_STATE_STI_MOVSS_INVALID 94
372/** Interruptibility state block-by-STI invalid for EFLAGS. */
373#define VMX_IGS_INTERRUPTIBILITY_STATE_STI_EFL_INVALID 95
374/** Interruptibility state invalid while trying to deliver external
375 * interrupt. */
376#define VMX_IGS_INTERRUPTIBILITY_STATE_EXT_INT_INVALID 96
377/** Interruptibility state block-by-MOVSS invalid while trying to deliver an
378 * NMI. */
379#define VMX_IGS_INTERRUPTIBILITY_STATE_MOVSS_INVALID 97
380/** Interruptibility state block-by-SMI invalid when CPU is not in SMM. */
381#define VMX_IGS_INTERRUPTIBILITY_STATE_SMI_INVALID 98
382/** Interruptibility state block-by-SMI invalid when trying to enter SMM. */
383#define VMX_IGS_INTERRUPTIBILITY_STATE_SMI_SMM_INVALID 99
384/** Interruptibilty state block-by-STI (maybe) invalid when trying to deliver
385 * an NMI. */
386#define VMX_IGS_INTERRUPTIBILITY_STATE_STI_INVALID 100
387/** Interruptibility state block-by-NMI invalid when virtual-NMIs control is
388 * active. */
389#define VMX_IGS_INTERRUPTIBILITY_STATE_NMI_INVALID 101
390/** Pending debug exceptions reserved bits not set to 0. */
391#define VMX_IGS_PENDING_DEBUG_RESERVED 102
392/** Longmode pending debug exceptions reserved bits not set to 0. */
393#define VMX_IGS_LONGMODE_PENDING_DEBUG_RESERVED 103
394/** Pending debug exceptions.BS bit is not set when it should be. */
395#define VMX_IGS_PENDING_DEBUG_XCPT_BS_NOT_SET 104
396/** Pending debug exceptions.BS bit is not clear when it should be. */
397#define VMX_IGS_PENDING_DEBUG_XCPT_BS_NOT_CLEAR 105
398/** VMCS link pointer reserved bits not set to 0. */
399#define VMX_IGS_VMCS_LINK_PTR_RESERVED 106
400/** TR cannot index into LDT, TI bit MBZ. */
401#define VMX_IGS_TR_TI_INVALID 107
402/** LDTR cannot index into LDT. TI bit MBZ. */
403#define VMX_IGS_LDTR_TI_INVALID 108
404/** TR.Base is not canonical. */
405#define VMX_IGS_TR_BASE_NOT_CANONICAL 109
406/** FS.Base is not canonical. */
407#define VMX_IGS_FS_BASE_NOT_CANONICAL 110
408/** GS.Base is not canonical. */
409#define VMX_IGS_GS_BASE_NOT_CANONICAL 111
410/** LDTR.Base is not canonical. */
411#define VMX_IGS_LDTR_BASE_NOT_CANONICAL 112
412/** TR is unusable. */
413#define VMX_IGS_TR_ATTR_UNUSABLE 113
414/** TR.Attr.S bit invalid. */
415#define VMX_IGS_TR_ATTR_S_INVALID 114
416/** TR is not present. */
417#define VMX_IGS_TR_ATTR_P_INVALID 115
418/** TR.Attr reserved bits not set to 0. */
419#define VMX_IGS_TR_ATTR_RESERVED 116
420/** TR.Attr.G bit invalid. */
421#define VMX_IGS_TR_ATTR_G_INVALID 117
422/** Longmode TR.Attr.Type invalid. */
423#define VMX_IGS_LONGMODE_TR_ATTR_TYPE_INVALID 118
424/** TR.Attr.Type invalid. */
425#define VMX_IGS_TR_ATTR_TYPE_INVALID 119
426/** CS.Attr.S invalid. */
427#define VMX_IGS_CS_ATTR_S_INVALID 120
428/** CS.Attr.DPL invalid. */
429#define VMX_IGS_CS_ATTR_DPL_INVALID 121
430/** PAE PDPTE reserved bits not set to 0. */
431#define VMX_IGS_PAE_PDPTE_RESERVED 123
432/** @} */
433
434/** @name VMX VMCS-Read cache indices.
435 * @{
436 */
437# define VMX_VMCS_GUEST_ES_BASE_CACHE_IDX 0
438# define VMX_VMCS_GUEST_CS_BASE_CACHE_IDX 1
439# define VMX_VMCS_GUEST_SS_BASE_CACHE_IDX 2
440# define VMX_VMCS_GUEST_DS_BASE_CACHE_IDX 3
441# define VMX_VMCS_GUEST_FS_BASE_CACHE_IDX 4
442# define VMX_VMCS_GUEST_GS_BASE_CACHE_IDX 5
443# define VMX_VMCS_GUEST_LDTR_BASE_CACHE_IDX 6
444# define VMX_VMCS_GUEST_TR_BASE_CACHE_IDX 7
445# define VMX_VMCS_GUEST_GDTR_BASE_CACHE_IDX 8
446# define VMX_VMCS_GUEST_IDTR_BASE_CACHE_IDX 9
447# define VMX_VMCS_GUEST_RSP_CACHE_IDX 10
448# define VMX_VMCS_GUEST_RIP_CACHE_IDX 11
449# define VMX_VMCS_GUEST_SYSENTER_ESP_CACHE_IDX 12
450# define VMX_VMCS_GUEST_SYSENTER_EIP_CACHE_IDX 13
451# define VMX_VMCS_RO_EXIT_QUALIFICATION_CACHE_IDX 14
452# define VMX_VMCS_MAX_CACHE_IDX (VMX_VMCS_RO_EXIT_QUALIFICATION_CACHE_IDX + 1)
453# define VMX_VMCS_GUEST_CR3_CACHE_IDX 15
454# define VMX_VMCS_MAX_NESTED_PAGING_CACHE_IDX (VMX_VMCS_GUEST_CR3_CACHE_IDX + 1)
455/** @} */
456
457/** @name VMX EPT paging structures
458 * @{
459 */
460
461/**
462 * Number of page table entries in the EPT. (PDPTE/PDE/PTE)
463 */
464#define EPT_PG_ENTRIES X86_PG_PAE_ENTRIES
465
466/**
467 * EPT Page Directory Pointer Entry. Bit view.
468 * @todo uint64_t isn't safe for bitfields (gcc pedantic warnings, and IIRC,
469 * this did cause trouble with one compiler/version).
470 */
471#pragma pack(1)
472typedef struct EPTPML4EBITS
473{
474 /** Present bit. */
475 uint64_t u1Present : 1;
476 /** Writable bit. */
477 uint64_t u1Write : 1;
478 /** Executable bit. */
479 uint64_t u1Execute : 1;
480 /** Reserved (must be 0). */
481 uint64_t u5Reserved : 5;
482 /** Available for software. */
483 uint64_t u4Available : 4;
484 /** Physical address of the next level (PD). Restricted by maximum physical address width of the cpu. */
485 uint64_t u40PhysAddr : 40;
486 /** Availabe for software. */
487 uint64_t u12Available : 12;
488} EPTPML4EBITS;
489#pragma pack()
490AssertCompileSize(EPTPML4EBITS, 8);
491
492/** Bits 12-51 - - EPT - Physical Page number of the next level. */
493#define EPT_PML4E_PG_MASK X86_PML4E_PG_MASK
494/** The page shift to get the PML4 index. */
495#define EPT_PML4_SHIFT X86_PML4_SHIFT
496/** The PML4 index mask (apply to a shifted page address). */
497#define EPT_PML4_MASK X86_PML4_MASK
498
499/**
500 * EPT PML4E.
501 */
502#pragma pack(1)
503typedef union EPTPML4E
504{
505 /** Normal view. */
506 EPTPML4EBITS n;
507 /** Unsigned integer view. */
508 X86PGPAEUINT u;
509 /** 64 bit unsigned integer view. */
510 uint64_t au64[1];
511 /** 32 bit unsigned integer view. */
512 uint32_t au32[2];
513} EPTPML4E;
514#pragma pack()
515/** Pointer to a PML4 table entry. */
516typedef EPTPML4E *PEPTPML4E;
517/** Pointer to a const PML4 table entry. */
518typedef const EPTPML4E *PCEPTPML4E;
519AssertCompileSize(EPTPML4E, 8);
520
521/**
522 * EPT PML4 Table.
523 */
524#pragma pack(1)
525typedef struct EPTPML4
526{
527 EPTPML4E a[EPT_PG_ENTRIES];
528} EPTPML4;
529#pragma pack()
530/** Pointer to an EPT PML4 Table. */
531typedef EPTPML4 *PEPTPML4;
532/** Pointer to a const EPT PML4 Table. */
533typedef const EPTPML4 *PCEPTPML4;
534
535/**
536 * EPT Page Directory Pointer Entry. Bit view.
537 */
538#pragma pack(1)
539typedef struct EPTPDPTEBITS
540{
541 /** Present bit. */
542 uint64_t u1Present : 1;
543 /** Writable bit. */
544 uint64_t u1Write : 1;
545 /** Executable bit. */
546 uint64_t u1Execute : 1;
547 /** Reserved (must be 0). */
548 uint64_t u5Reserved : 5;
549 /** Available for software. */
550 uint64_t u4Available : 4;
551 /** Physical address of the next level (PD). Restricted by maximum physical address width of the cpu. */
552 uint64_t u40PhysAddr : 40;
553 /** Availabe for software. */
554 uint64_t u12Available : 12;
555} EPTPDPTEBITS;
556#pragma pack()
557AssertCompileSize(EPTPDPTEBITS, 8);
558
559/** Bits 12-51 - - EPT - Physical Page number of the next level. */
560#define EPT_PDPTE_PG_MASK X86_PDPE_PG_MASK
561/** The page shift to get the PDPT index. */
562#define EPT_PDPT_SHIFT X86_PDPT_SHIFT
563/** The PDPT index mask (apply to a shifted page address). */
564#define EPT_PDPT_MASK X86_PDPT_MASK_AMD64
565
566/**
567 * EPT Page Directory Pointer.
568 */
569#pragma pack(1)
570typedef union EPTPDPTE
571{
572 /** Normal view. */
573 EPTPDPTEBITS n;
574 /** Unsigned integer view. */
575 X86PGPAEUINT u;
576 /** 64 bit unsigned integer view. */
577 uint64_t au64[1];
578 /** 32 bit unsigned integer view. */
579 uint32_t au32[2];
580} EPTPDPTE;
581#pragma pack()
582/** Pointer to an EPT Page Directory Pointer Entry. */
583typedef EPTPDPTE *PEPTPDPTE;
584/** Pointer to a const EPT Page Directory Pointer Entry. */
585typedef const EPTPDPTE *PCEPTPDPTE;
586AssertCompileSize(EPTPDPTE, 8);
587
588/**
589 * EPT Page Directory Pointer Table.
590 */
591#pragma pack(1)
592typedef struct EPTPDPT
593{
594 EPTPDPTE a[EPT_PG_ENTRIES];
595} EPTPDPT;
596#pragma pack()
597/** Pointer to an EPT Page Directory Pointer Table. */
598typedef EPTPDPT *PEPTPDPT;
599/** Pointer to a const EPT Page Directory Pointer Table. */
600typedef const EPTPDPT *PCEPTPDPT;
601
602
603/**
604 * EPT Page Directory Table Entry. Bit view.
605 */
606#pragma pack(1)
607typedef struct EPTPDEBITS
608{
609 /** Present bit. */
610 uint64_t u1Present : 1;
611 /** Writable bit. */
612 uint64_t u1Write : 1;
613 /** Executable bit. */
614 uint64_t u1Execute : 1;
615 /** Reserved (must be 0). */
616 uint64_t u4Reserved : 4;
617 /** Big page (must be 0 here). */
618 uint64_t u1Size : 1;
619 /** Available for software. */
620 uint64_t u4Available : 4;
621 /** Physical address of page table. Restricted by maximum physical address width of the cpu. */
622 uint64_t u40PhysAddr : 40;
623 /** Availabe for software. */
624 uint64_t u12Available : 12;
625} EPTPDEBITS;
626#pragma pack()
627AssertCompileSize(EPTPDEBITS, 8);
628
629/** Bits 12-51 - - EPT - Physical Page number of the next level. */
630#define EPT_PDE_PG_MASK X86_PDE_PAE_PG_MASK
631/** The page shift to get the PD index. */
632#define EPT_PD_SHIFT X86_PD_PAE_SHIFT
633/** The PD index mask (apply to a shifted page address). */
634#define EPT_PD_MASK X86_PD_PAE_MASK
635
636/**
637 * EPT 2MB Page Directory Table Entry. Bit view.
638 */
639#pragma pack(1)
640typedef struct EPTPDE2MBITS
641{
642 /** Present bit. */
643 uint64_t u1Present : 1;
644 /** Writable bit. */
645 uint64_t u1Write : 1;
646 /** Executable bit. */
647 uint64_t u1Execute : 1;
648 /** EPT Table Memory Type. MBZ for non-leaf nodes. */
649 uint64_t u3EMT : 3;
650 /** Ignore PAT memory type */
651 uint64_t u1IgnorePAT : 1;
652 /** Big page (must be 1 here). */
653 uint64_t u1Size : 1;
654 /** Available for software. */
655 uint64_t u4Available : 4;
656 /** Reserved (must be 0). */
657 uint64_t u9Reserved : 9;
658 /** Physical address of the 2MB page. Restricted by maximum physical address width of the cpu. */
659 uint64_t u31PhysAddr : 31;
660 /** Availabe for software. */
661 uint64_t u12Available : 12;
662} EPTPDE2MBITS;
663#pragma pack()
664AssertCompileSize(EPTPDE2MBITS, 8);
665
666/** Bits 21-51 - - EPT - Physical Page number of the next level. */
667#define EPT_PDE2M_PG_MASK X86_PDE2M_PAE_PG_MASK
668
669/**
670 * EPT Page Directory Table Entry.
671 */
672#pragma pack(1)
673typedef union EPTPDE
674{
675 /** Normal view. */
676 EPTPDEBITS n;
677 /** 2MB view (big). */
678 EPTPDE2MBITS b;
679 /** Unsigned integer view. */
680 X86PGPAEUINT u;
681 /** 64 bit unsigned integer view. */
682 uint64_t au64[1];
683 /** 32 bit unsigned integer view. */
684 uint32_t au32[2];
685} EPTPDE;
686#pragma pack()
687/** Pointer to an EPT Page Directory Table Entry. */
688typedef EPTPDE *PEPTPDE;
689/** Pointer to a const EPT Page Directory Table Entry. */
690typedef const EPTPDE *PCEPTPDE;
691AssertCompileSize(EPTPDE, 8);
692
693/**
694 * EPT Page Directory Table.
695 */
696#pragma pack(1)
697typedef struct EPTPD
698{
699 EPTPDE a[EPT_PG_ENTRIES];
700} EPTPD;
701#pragma pack()
702/** Pointer to an EPT Page Directory Table. */
703typedef EPTPD *PEPTPD;
704/** Pointer to a const EPT Page Directory Table. */
705typedef const EPTPD *PCEPTPD;
706
707
708/**
709 * EPT Page Table Entry. Bit view.
710 */
711#pragma pack(1)
712typedef struct EPTPTEBITS
713{
714 /** 0 - Present bit.
715 * @remark This is a convenience "misnomer". The bit actually indicates
716 * read access and the CPU will consider an entry with any of the
717 * first three bits set as present. Since all our valid entries
718 * will have this bit set, it can be used as a present indicator
719 * and allow some code sharing. */
720 uint64_t u1Present : 1;
721 /** 1 - Writable bit. */
722 uint64_t u1Write : 1;
723 /** 2 - Executable bit. */
724 uint64_t u1Execute : 1;
725 /** 5:3 - EPT Memory Type. MBZ for non-leaf nodes. */
726 uint64_t u3EMT : 3;
727 /** 6 - Ignore PAT memory type */
728 uint64_t u1IgnorePAT : 1;
729 /** 11:7 - Available for software. */
730 uint64_t u5Available : 5;
731 /** 51:12 - Physical address of page. Restricted by maximum physical
732 * address width of the cpu. */
733 uint64_t u40PhysAddr : 40;
734 /** 63:52 - Available for software. */
735 uint64_t u12Available : 12;
736} EPTPTEBITS;
737#pragma pack()
738AssertCompileSize(EPTPTEBITS, 8);
739
740/** Bits 12-51 - - EPT - Physical Page number of the next level. */
741#define EPT_PTE_PG_MASK X86_PTE_PAE_PG_MASK
742/** The page shift to get the EPT PTE index. */
743#define EPT_PT_SHIFT X86_PT_PAE_SHIFT
744/** The EPT PT index mask (apply to a shifted page address). */
745#define EPT_PT_MASK X86_PT_PAE_MASK
746
747/**
748 * EPT Page Table Entry.
749 */
750#pragma pack(1)
751typedef union EPTPTE
752{
753 /** Normal view. */
754 EPTPTEBITS n;
755 /** Unsigned integer view. */
756 X86PGPAEUINT u;
757 /** 64 bit unsigned integer view. */
758 uint64_t au64[1];
759 /** 32 bit unsigned integer view. */
760 uint32_t au32[2];
761} EPTPTE;
762#pragma pack()
763/** Pointer to an EPT Page Directory Table Entry. */
764typedef EPTPTE *PEPTPTE;
765/** Pointer to a const EPT Page Directory Table Entry. */
766typedef const EPTPTE *PCEPTPTE;
767AssertCompileSize(EPTPTE, 8);
768
769/**
770 * EPT Page Table.
771 */
772#pragma pack(1)
773typedef struct EPTPT
774{
775 EPTPTE a[EPT_PG_ENTRIES];
776} EPTPT;
777#pragma pack()
778/** Pointer to an extended page table. */
779typedef EPTPT *PEPTPT;
780/** Pointer to a const extended table. */
781typedef const EPTPT *PCEPTPT;
782
783/** @name VMX VPID flush types.
784 * Warning!! Valid enum members are in accordance to the VT-x spec.
785 * @{
786 */
787typedef enum
788{
789 /** Invalidate a specific page. */
790 VMXFLUSHVPID_INDIV_ADDR = 0,
791 /** Invalidate one context (specific VPID). */
792 VMXFLUSHVPID_SINGLE_CONTEXT = 1,
793 /** Invalidate all contexts (all VPIDs). */
794 VMXFLUSHVPID_ALL_CONTEXTS = 2,
795 /** Invalidate a single VPID context retaining global mappings. */
796 VMXFLUSHVPID_SINGLE_CONTEXT_RETAIN_GLOBALS = 3,
797 /** Unsupported by VirtualBox. */
798 VMXFLUSHVPID_NOT_SUPPORTED = 0xbad0,
799 /** Unsupported by CPU. */
800 VMXFLUSHVPID_NONE = 0xbad1
801} VMXFLUSHVPID;
802AssertCompileSize(VMXFLUSHVPID, 4);
803/** @} */
804
805/** @name VMX EPT flush types.
806 * Warning!! Valid enums values below are in accordance to the VT-x spec.
807 * @{
808 */
809typedef enum
810{
811 /** Invalidate one context (specific EPT). */
812 VMXFLUSHEPT_SINGLE_CONTEXT = 1,
813 /* Invalidate all contexts (all EPTs) */
814 VMXFLUSHEPT_ALL_CONTEXTS = 2,
815 /** Unsupported by VirtualBox. */
816 VMXFLUSHEPT_NOT_SUPPORTED = 0xbad0,
817 /** Unsupported by CPU. */
818 VMXFLUSHEPT_NONE = 0xbad1
819} VMXFLUSHEPT;
820AssertCompileSize(VMXFLUSHEPT, 4);
821/** @} */
822
823/** @name VMX MSR autoload/store element.
824 * In accordance to VT-x spec.
825 * @{
826 */
827#pragma pack(1)
828typedef struct
829{
830 /** The MSR Id. */
831 uint32_t u32Msr;
832 /** Reserved (MBZ). */
833 uint32_t u32Reserved;
834 /** The MSR value. */
835 uint64_t u64Value;
836} VMXAUTOMSR;
837#pragma pack()
838/** Pointer to an MSR load/store element. */
839typedef VMXAUTOMSR *PVMXAUTOMSR;
840/** Pointer to a const MSR load/store element. */
841typedef const VMXAUTOMSR *PCVMXAUTOMSR;
842/** @} */
843
844/** @name VMX-capability qword
845 * @{
846 */
847#pragma pack(1)
848typedef union
849{
850 struct
851 {
852 /** Bits set here -must- be set in the correpsonding VM-execution controls. */
853 uint32_t disallowed0;
854 /** Bits cleared here -must- be cleared in the corresponding VM-execution
855 * controls. */
856 uint32_t allowed1;
857 } n;
858 uint64_t u;
859} VMXCAPABILITY;
860#pragma pack()
861/** @} */
862
863/** @name VMX MSRs.
864 * @{
865 */
866typedef struct VMXMSRS
867{
868 uint64_t u64FeatureCtrl;
869 uint64_t u64BasicInfo;
870 VMXCAPABILITY VmxPinCtls;
871 VMXCAPABILITY VmxProcCtls;
872 VMXCAPABILITY VmxProcCtls2;
873 VMXCAPABILITY VmxExit;
874 VMXCAPABILITY VmxEntry;
875 uint64_t u64Misc;
876 uint64_t u64Cr0Fixed0;
877 uint64_t u64Cr0Fixed1;
878 uint64_t u64Cr4Fixed0;
879 uint64_t u64Cr4Fixed1;
880 uint64_t u64VmcsEnum;
881 uint64_t u64Vmfunc;
882 uint64_t u64EptVpidCaps;
883} VMXMSRS;
884/** Pointer to a VMXMSRS struct. */
885typedef VMXMSRS *PVMXMSRS;
886AssertCompileSizeAlignment(VMXMSRS, 8);
887/** @} */
888
889/** @name VMX EFLAGS reserved bits.
890 * @{
891 */
892/** And-mask for setting reserved bits to zero */
893#define VMX_EFLAGS_RESERVED_0 (~0xffc08028)
894/** Or-mask for setting reserved bits to 1 */
895#define VMX_EFLAGS_RESERVED_1 0x00000002
896/** @} */
897
898/** @name VMX Basic Exit Reasons.
899 * @{
900 */
901/** -1 Invalid exit code */
902#define VMX_EXIT_INVALID -1
903/** 0 Exception or non-maskable interrupt (NMI). */
904#define VMX_EXIT_XCPT_OR_NMI 0
905/** 1 External interrupt. */
906#define VMX_EXIT_EXT_INT 1
907/** 2 Triple fault. */
908#define VMX_EXIT_TRIPLE_FAULT 2
909/** 3 INIT signal. */
910#define VMX_EXIT_INIT_SIGNAL 3
911/** 4 Start-up IPI (SIPI). */
912#define VMX_EXIT_SIPI 4
913/** 5 I/O system-management interrupt (SMI). */
914#define VMX_EXIT_IO_SMI 5
915/** 6 Other SMI. */
916#define VMX_EXIT_SMI 6
917/** 7 Interrupt window exiting. */
918#define VMX_EXIT_INT_WINDOW 7
919/** 8 NMI window exiting. */
920#define VMX_EXIT_NMI_WINDOW 8
921/** 9 Task switch. */
922#define VMX_EXIT_TASK_SWITCH 9
923/** 10 Guest software attempted to execute CPUID. */
924#define VMX_EXIT_CPUID 10
925/** 10 Guest software attempted to execute GETSEC. */
926#define VMX_EXIT_GETSEC 11
927/** 12 Guest software attempted to execute HLT. */
928#define VMX_EXIT_HLT 12
929/** 13 Guest software attempted to execute INVD. */
930#define VMX_EXIT_INVD 13
931/** 14 Guest software attempted to execute INVLPG. */
932#define VMX_EXIT_INVLPG 14
933/** 15 Guest software attempted to execute RDPMC. */
934#define VMX_EXIT_RDPMC 15
935/** 16 Guest software attempted to execute RDTSC. */
936#define VMX_EXIT_RDTSC 16
937/** 17 Guest software attempted to execute RSM in SMM. */
938#define VMX_EXIT_RSM 17
939/** 18 Guest software executed VMCALL. */
940#define VMX_EXIT_VMCALL 18
941/** 19 Guest software executed VMCLEAR. */
942#define VMX_EXIT_VMCLEAR 19
943/** 20 Guest software executed VMLAUNCH. */
944#define VMX_EXIT_VMLAUNCH 20
945/** 21 Guest software executed VMPTRLD. */
946#define VMX_EXIT_VMPTRLD 21
947/** 22 Guest software executed VMPTRST. */
948#define VMX_EXIT_VMPTRST 22
949/** 23 Guest software executed VMREAD. */
950#define VMX_EXIT_VMREAD 23
951/** 24 Guest software executed VMRESUME. */
952#define VMX_EXIT_VMRESUME 24
953/** 25 Guest software executed VMWRITE. */
954#define VMX_EXIT_VMWRITE 25
955/** 26 Guest software executed VMXOFF. */
956#define VMX_EXIT_VMXOFF 26
957/** 27 Guest software executed VMXON. */
958#define VMX_EXIT_VMXON 27
959/** 28 Control-register accesses. */
960#define VMX_EXIT_MOV_CRX 28
961/** 29 Debug-register accesses. */
962#define VMX_EXIT_MOV_DRX 29
963/** 30 I/O instruction. */
964#define VMX_EXIT_IO_INSTR 30
965/** 31 RDMSR. Guest software attempted to execute RDMSR. */
966#define VMX_EXIT_RDMSR 31
967/** 32 WRMSR. Guest software attempted to execute WRMSR. */
968#define VMX_EXIT_WRMSR 32
969/** 33 VM-entry failure due to invalid guest state. */
970#define VMX_EXIT_ERR_INVALID_GUEST_STATE 33
971/** 34 VM-entry failure due to MSR loading. */
972#define VMX_EXIT_ERR_MSR_LOAD 34
973/** 36 Guest software executed MWAIT. */
974#define VMX_EXIT_MWAIT 36
975/** 37 VM-exit due to monitor trap flag. */
976#define VMX_EXIT_MTF 37
977/** 39 Guest software attempted to execute MONITOR. */
978#define VMX_EXIT_MONITOR 39
979/** 40 Guest software attempted to execute PAUSE. */
980#define VMX_EXIT_PAUSE 40
981/** 41 VM-entry failure due to machine-check. */
982#define VMX_EXIT_ERR_MACHINE_CHECK 41
983/** 43 TPR below threshold. Guest software executed MOV to CR8. */
984#define VMX_EXIT_TPR_BELOW_THRESHOLD 43
985/** 44 APIC access. Guest software attempted to access memory at a physical address on the APIC-access page. */
986#define VMX_EXIT_APIC_ACCESS 44
987/** 46 Access to GDTR or IDTR. Guest software attempted to execute LGDT, LIDT, SGDT, or SIDT. */
988#define VMX_EXIT_XDTR_ACCESS 46
989/** 47 Access to LDTR or TR. Guest software attempted to execute LLDT, LTR, SLDT, or STR. */
990#define VMX_EXIT_TR_ACCESS 47
991/** 48 EPT violation. An attempt to access memory with a guest-physical address was disallowed by the configuration of the EPT paging structures. */
992#define VMX_EXIT_EPT_VIOLATION 48
993/** 49 EPT misconfiguration. An attempt to access memory with a guest-physical address encountered a misconfigured EPT paging-structure entry. */
994#define VMX_EXIT_EPT_MISCONFIG 49
995/** 50 INVEPT. Guest software attempted to execute INVEPT. */
996#define VMX_EXIT_INVEPT 50
997/** 51 RDTSCP. Guest software attempted to execute RDTSCP. */
998#define VMX_EXIT_RDTSCP 51
999/** 52 VMX-preemption timer expired. The preemption timer counted down to zero. */
1000#define VMX_EXIT_PREEMPT_TIMER 52
1001/** 53 INVVPID. Guest software attempted to execute INVVPID. */
1002#define VMX_EXIT_INVVPID 53
1003/** 54 WBINVD. Guest software attempted to execute WBINVD. */
1004#define VMX_EXIT_WBINVD 54
1005/** 55 XSETBV. Guest software attempted to execute XSETBV. */
1006#define VMX_EXIT_XSETBV 55
1007/** 57 RDRAND. Guest software attempted to execute RDRAND. */
1008#define VMX_EXIT_RDRAND 57
1009/** 58 INVPCID. Guest software attempted to execute INVPCID. */
1010#define VMX_EXIT_INVPCID 58
1011/** 59 VMFUNC. Guest software attempted to execute VMFUNC. */
1012#define VMX_EXIT_VMFUNC 59
1013/** The maximum exit value (inclusive). */
1014#define VMX_EXIT_MAX (VMX_EXIT_VMFUNC)
1015/** @} */
1016
1017
1018/** @name VM Instruction Errors
1019 * @{
1020 */
1021/** VMCALL executed in VMX root operation. */
1022#define VMX_ERROR_VMCALL 1
1023/** VMCLEAR with invalid physical address. */
1024#define VMX_ERROR_VMCLEAR_INVALID_PHYS_ADDR 2
1025/** VMCLEAR with VMXON pointer. */
1026#define VMX_ERROR_VMCLEAR_INVALID_VMXON_PTR 3
1027/** VMLAUNCH with non-clear VMCS. */
1028#define VMX_ERROR_VMLAUCH_NON_CLEAR_VMCS 4
1029/** VMRESUME with non-launched VMCS. */
1030#define VMX_ERROR_VMRESUME_NON_LAUNCHED_VMCS 5
1031/** VMRESUME with a corrupted VMCS (indicates corruption of the current VMCS). */
1032#define VMX_ERROR_VMRESUME_CORRUPTED_VMCS 6
1033/** VM-entry with invalid control field(s). */
1034#define VMX_ERROR_VMENTRY_INVALID_CONTROL_FIELDS 7
1035/** VM-entry with invalid host-state field(s). */
1036#define VMX_ERROR_VMENTRY_INVALID_HOST_STATE 8
1037/** VMPTRLD with invalid physical address. */
1038#define VMX_ERROR_VMPTRLD_INVALID_PHYS_ADDR 9
1039/** VMPTRLD with VMXON pointer. */
1040#define VMX_ERROR_VMPTRLD_VMXON_PTR 10
1041/** VMPTRLD with incorrect VMCS revision identifier. */
1042#define VMX_ERROR_VMPTRLD_WRONG_VMCS_REVISION 11
1043/** VMREAD/VMWRITE from/to unsupported VMCS component. */
1044#define VMX_ERROR_VMREAD_INVALID_COMPONENT 12
1045#define VMX_ERROR_VMWRITE_INVALID_COMPONENT VMX_ERROR_VMREAD_INVALID_COMPONENT
1046/** VMWRITE to read-only VMCS component. */
1047#define VMX_ERROR_VMWRITE_READONLY_COMPONENT 13
1048/** VMXON executed in VMX root operation. */
1049#define VMX_ERROR_VMXON_IN_VMX_ROOT_OP 15
1050/** VM-entry with invalid executive-VMCS pointer. */
1051#define VMX_ERROR_VMENTRY_INVALID_VMCS_EXEC_PTR 16
1052/** VM-entry with non-launched executive VMCS. */
1053#define VMX_ERROR_VMENTRY_NON_LAUNCHED_EXEC_VMCS 17
1054/** VM-entry with executive-VMCS pointer not VMXON pointer. */
1055#define VMX_ERROR_VMENTRY_EXEC_VMCS_PTR 18
1056/** VMCALL with non-clear VMCS. */
1057#define VMX_ERROR_VMCALL_NON_CLEAR_VMCS 19
1058/** VMCALL with invalid VM-exit control fields. */
1059#define VMX_ERROR_VMCALL_INVALID_VMEXIT_FIELDS 20
1060/** VMCALL with incorrect MSEG revision identifier. */
1061#define VMX_ERROR_VMCALL_INVALID_MSEG_REVISION 22
1062/** VMXOFF under dual-monitor treatment of SMIs and SMM. */
1063#define VMX_ERROR_VMXOFF_DUAL_MONITOR 23
1064/** VMCALL with invalid SMM-monitor features. */
1065#define VMX_ERROR_VMCALL_INVALID_SMM_MONITOR 24
1066/** VM-entry with invalid VM-execution control fields in executive VMCS. */
1067#define VMX_ERROR_VMENTRY_INVALID_VM_EXEC_CTRL 25
1068/** VM-entry with events blocked by MOV SS. */
1069#define VMX_ERROR_VMENTRY_MOV_SS 26
1070/** Invalid operand to INVEPT/INVVPID. */
1071#define VMX_ERROR_INVEPTVPID_INVALID_OPERAND 28
1072
1073/** @} */
1074
1075
1076/** @name VMX MSRs - Basic VMX information.
1077 * @{
1078 */
1079/** VMCS revision identifier used by the processor. */
1080#define MSR_IA32_VMX_BASIC_INFO_VMCS_ID(a) ((a) & 0x7FFFFFFF)
1081/** Size of the VMCS. */
1082#define MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(a) (((a) >> 32) & 0x1FFF)
1083/** Width of physical address used for the VMCS.
1084 * 0 -> limited to the available amount of physical ram
1085 * 1 -> within the first 4 GB
1086 */
1087#define MSR_IA32_VMX_BASIC_INFO_VMCS_PHYS_WIDTH(a) (((a) >> 48) & 1)
1088/** Whether the processor supports the dual-monitor treatment of system-management interrupts and system-management code. (always 1) */
1089#define MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(a) (((a) >> 49) & 1)
1090/** Memory type that must be used for the VMCS. */
1091#define MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(a) (((a) >> 50) & 0xF)
1092/** Whether the processor provides additional information for exits due to INS/OUTS. */
1093#define MSR_IA32_VMX_BASIC_INFO_VMCS_INS_OUTS(a) RT_BOOL((a) & RT_BIT_64(54))
1094/** @} */
1095
1096
1097/** @name VMX MSRs - Misc VMX info.
1098 * @{
1099 */
1100/** Relationship between the preemption timer and tsc; count down every time bit x of the tsc changes. */
1101#define MSR_IA32_VMX_MISC_PREEMPT_TSC_BIT(a) ((a) & 0x1f)
1102/** Whether VM-exit stores EFER.LMA into the "IA32e mode guest" field. */
1103#define MSR_IA32_VMX_MISC_STORE_EFERLMA_VMEXIT(a) (((a) >> 5) & 1)
1104/** Activity states supported by the implementation. */
1105#define MSR_IA32_VMX_MISC_ACTIVITY_STATES(a) (((a) >> 6) & 0x7)
1106/** Number of CR3 target values supported by the processor. (0-256) */
1107#define MSR_IA32_VMX_MISC_CR3_TARGET(a) (((a) >> 16) & 0x1FF)
1108/** Maximum nr of MSRs in the VMCS. (N+1)*512. */
1109#define MSR_IA32_VMX_MISC_MAX_MSR(a) (((((a) >> 25) & 0x7) + 1) * 512)
1110/** Whether RDMSR can be used to read IA32_SMBASE_MSR in SMM. */
1111#define MSR_IA32_VMX_MISC_RDMSR_SMBASE_MSR_SMM(a) (((a) >> 15) & 1)
1112/** Whether bit 2 of IA32_SMM_MONITOR_CTL can be set to 1. */
1113#define MSR_IA32_VMX_MISC_SMM_MONITOR_CTL_B2(a) (((a) >> 28) & 1)
1114/** Whether VMWRITE can be used to write VM-exit information fields. */
1115#define MSR_IA32_VMX_MISC_VMWRITE_VMEXIT_INFO(a) (((a) >> 29) & 1)
1116/** MSEG revision identifier used by the processor. */
1117#define MSR_IA32_VMX_MISC_MSEG_ID(a) ((a) >> 32)
1118/** @} */
1119
1120
1121/** @name VMX MSRs - VMCS enumeration field info
1122 * @{
1123 */
1124/** Highest field index. */
1125#define MSR_IA32_VMX_VMCS_ENUM_HIGHEST_INDEX(a) (((a) >> 1) & 0x1FF)
1126/** @} */
1127
1128
1129/** @name MSR_IA32_VMX_EPT_VPID_CAPS; EPT capabilities MSR
1130 * @{
1131 */
1132#define MSR_IA32_VMX_EPT_VPID_CAP_RWX_X_ONLY RT_BIT_64(0)
1133#define MSR_IA32_VMX_EPT_VPID_CAP_RWX_W_ONLY RT_BIT_64(1)
1134#define MSR_IA32_VMX_EPT_VPID_CAP_RWX_WX_ONLY RT_BIT_64(2)
1135#define MSR_IA32_VMX_EPT_VPID_CAP_GAW_21_BITS RT_BIT_64(3)
1136#define MSR_IA32_VMX_EPT_VPID_CAP_GAW_30_BITS RT_BIT_64(4)
1137#define MSR_IA32_VMX_EPT_VPID_CAP_GAW_39_BITS RT_BIT_64(5)
1138#define MSR_IA32_VMX_EPT_VPID_CAP_GAW_48_BITS RT_BIT_64(6)
1139#define MSR_IA32_VMX_EPT_VPID_CAP_GAW_57_BITS RT_BIT_64(7)
1140#define MSR_IA32_VMX_EPT_VPID_CAP_EMT_UC RT_BIT_64(8)
1141#define MSR_IA32_VMX_EPT_VPID_CAP_EMT_WC RT_BIT_64(9)
1142#define MSR_IA32_VMX_EPT_VPID_CAP_EMT_WT RT_BIT_64(12)
1143#define MSR_IA32_VMX_EPT_VPID_CAP_EMT_WP RT_BIT_64(13)
1144#define MSR_IA32_VMX_EPT_VPID_CAP_EMT_WB RT_BIT_64(14)
1145#define MSR_IA32_VMX_EPT_VPID_CAP_SP_21_BITS RT_BIT_64(16)
1146#define MSR_IA32_VMX_EPT_VPID_CAP_SP_30_BITS RT_BIT_64(17)
1147#define MSR_IA32_VMX_EPT_VPID_CAP_SP_39_BITS RT_BIT_64(18)
1148#define MSR_IA32_VMX_EPT_VPID_CAP_SP_48_BITS RT_BIT_64(19)
1149#define MSR_IA32_VMX_EPT_VPID_CAP_INVEPT RT_BIT_64(20)
1150#define MSR_IA32_VMX_EPT_VPID_CAP_INVEPT_SINGLE_CONTEXT RT_BIT_64(25)
1151#define MSR_IA32_VMX_EPT_VPID_CAP_INVEPT_ALL_CONTEXTS RT_BIT_64(26)
1152#define MSR_IA32_VMX_EPT_VPID_CAP_INVVPID RT_BIT_64(32)
1153#define MSR_IA32_VMX_EPT_VPID_CAP_INVVPID_INDIV_ADDR RT_BIT_64(40)
1154#define MSR_IA32_VMX_EPT_VPID_CAP_INVVPID_SINGLE_CONTEXT RT_BIT_64(41)
1155#define MSR_IA32_VMX_EPT_VPID_CAP_INVVPID_ALL_CONTEXTS RT_BIT_64(42)
1156#define MSR_IA32_VMX_EPT_VPID_CAP_INVVPID_SINGLE_CONTEXT_RETAIN_GLOBALS RT_BIT_64(43)
1157
1158/** @} */
1159
1160/** @name Extended Page Table Pointer (EPTP)
1161 * @{
1162 */
1163/** Uncachable EPT paging structure memory type. */
1164#define VMX_EPT_MEMTYPE_UC 0
1165/** Write-back EPT paging structure memory type. */
1166#define VMX_EPT_MEMTYPE_WB 6
1167/** Shift value to get the EPT page walk length (bits 5-3) */
1168#define VMX_EPT_PAGE_WALK_LENGTH_SHIFT 3
1169/** Mask value to get the EPT page walk length (bits 5-3) */
1170#define VMX_EPT_PAGE_WALK_LENGTH_MASK 7
1171/** Default EPT page-walk length (1 less than the actual EPT page-walk
1172 * length) */
1173#define VMX_EPT_PAGE_WALK_LENGTH_DEFAULT 3
1174/** @} */
1175
1176
1177/** @name VMCS field encoding - 16 bits guest fields
1178 * @{
1179 */
1180#define VMX_VMCS16_GUEST_FIELD_VPID 0x0
1181#define VMX_VMCS16_GUEST_FIELD_ES 0x800
1182#define VMX_VMCS16_GUEST_FIELD_CS 0x802
1183#define VMX_VMCS16_GUEST_FIELD_SS 0x804
1184#define VMX_VMCS16_GUEST_FIELD_DS 0x806
1185#define VMX_VMCS16_GUEST_FIELD_FS 0x808
1186#define VMX_VMCS16_GUEST_FIELD_GS 0x80A
1187#define VMX_VMCS16_GUEST_FIELD_LDTR 0x80C
1188#define VMX_VMCS16_GUEST_FIELD_TR 0x80E
1189/** @} */
1190
1191/** @name VMCS field encoding - 16 bits host fields
1192 * @{
1193 */
1194#define VMX_VMCS16_HOST_FIELD_ES 0xC00
1195#define VMX_VMCS16_HOST_FIELD_CS 0xC02
1196#define VMX_VMCS16_HOST_FIELD_SS 0xC04
1197#define VMX_VMCS16_HOST_FIELD_DS 0xC06
1198#define VMX_VMCS16_HOST_FIELD_FS 0xC08
1199#define VMX_VMCS16_HOST_FIELD_GS 0xC0A
1200#define VMX_VMCS16_HOST_FIELD_TR 0xC0C
1201/** @} */
1202
1203/** @name VMCS field encoding - 64 bits host fields
1204 * @{
1205 */
1206#define VMX_VMCS64_HOST_FIELD_PAT_FULL 0x2C00
1207#define VMX_VMCS64_HOST_FIELD_PAT_HIGH 0x2C01
1208#define VMX_VMCS64_HOST_FIELD_EFER_FULL 0x2C02
1209#define VMX_VMCS64_HOST_FIELD_EFER_HIGH 0x2C03
1210#define VMX_VMCS64_HOST_PERF_GLOBAL_CTRL_FULL 0x2C04 /**< MSR IA32_PERF_GLOBAL_CTRL */
1211#define VMX_VMCS64_HOST_PERF_GLOBAL_CTRL_HIGH 0x2C05 /**< MSR IA32_PERF_GLOBAL_CTRL */
1212/** @} */
1213
1214
1215/** @name VMCS field encoding - 64 Bits control fields
1216 * @{
1217 */
1218#define VMX_VMCS64_CTRL_IO_BITMAP_A_FULL 0x2000
1219#define VMX_VMCS64_CTRL_IO_BITMAP_A_HIGH 0x2001
1220#define VMX_VMCS64_CTRL_IO_BITMAP_B_FULL 0x2002
1221#define VMX_VMCS64_CTRL_IO_BITMAP_B_HIGH 0x2003
1222
1223/* Optional */
1224#define VMX_VMCS64_CTRL_MSR_BITMAP_FULL 0x2004
1225#define VMX_VMCS64_CTRL_MSR_BITMAP_HIGH 0x2005
1226
1227#define VMX_VMCS64_CTRL_EXIT_MSR_STORE_FULL 0x2006
1228#define VMX_VMCS64_CTRL_EXIT_MSR_STORE_HIGH 0x2007
1229#define VMX_VMCS64_CTRL_EXIT_MSR_LOAD_FULL 0x2008
1230#define VMX_VMCS64_CTRL_EXIT_MSR_LOAD_HIGH 0x2009
1231
1232#define VMX_VMCS64_CTRL_ENTRY_MSR_LOAD_FULL 0x200A
1233#define VMX_VMCS64_CTRL_ENTRY_MSR_LOAD_HIGH 0x200B
1234
1235#define VMX_VMCS64_CTRL_EXEC_VMCS_PTR_FULL 0x200C
1236#define VMX_VMCS64_CTRL_EXEC_VMCS_PTR_HIGH 0x200D
1237
1238#define VMX_VMCS64_CTRL_TSC_OFFSET_FULL 0x2010
1239#define VMX_VMCS64_CTRL_TSC_OFFSET_HIGH 0x2011
1240
1241/** Optional (VMX_VMCS_CTRL_PROC_EXEC_USE_TPR_SHADOW) */
1242#define VMX_VMCS64_CTRL_VAPIC_PAGEADDR_FULL 0x2012
1243#define VMX_VMCS64_CTRL_VAPIC_PAGEADDR_HIGH 0x2013
1244
1245/** Optional (VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC) */
1246#define VMX_VMCS64_CTRL_APIC_ACCESSADDR_FULL 0x2014
1247#define VMX_VMCS64_CTRL_APIC_ACCESSADDR_HIGH 0x2015
1248
1249/** Optional (VMX_VMCS_CTRL_PROC_EXEC2_VMFUNC) */
1250#define VMX_VMCS64_CTRL_VMFUNC_CTRLS_FULL 0x2018
1251#define VMX_VMCS64_CTRL_VMFUNC_CTRLS_HIGH 0x2019
1252
1253/** Extended page table pointer. */
1254#define VMX_VMCS64_CTRL_EPTP_FULL 0x201a
1255#define VMX_VMCS64_CTRL_EPTP_HIGH 0x201b
1256
1257/** Extended page table pointer lists. */
1258#define VMX_VMCS64_CTRL_EPTP_LIST_FULL 0x2024
1259#define VMX_VMCS64_CTRL_EPTP_LIST_HIGH 0x2025
1260
1261/** VM-exit guest phyiscal address. */
1262#define VMX_VMCS64_EXIT_GUEST_PHYS_ADDR_FULL 0x2400
1263#define VMX_VMCS64_EXIT_GUEST_PHYS_ADDR_HIGH 0x2401
1264/** @} */
1265
1266
1267/** @name VMCS field encoding - 64 Bits guest fields
1268 * @{
1269 */
1270#define VMX_VMCS64_GUEST_VMCS_LINK_PTR_FULL 0x2800
1271#define VMX_VMCS64_GUEST_VMCS_LINK_PTR_HIGH 0x2801
1272#define VMX_VMCS64_GUEST_DEBUGCTL_FULL 0x2802 /**< MSR IA32_DEBUGCTL */
1273#define VMX_VMCS64_GUEST_DEBUGCTL_HIGH 0x2803 /**< MSR IA32_DEBUGCTL */
1274#define VMX_VMCS64_GUEST_PAT_FULL 0x2804
1275#define VMX_VMCS64_GUEST_PAT_HIGH 0x2805
1276#define VMX_VMCS64_GUEST_EFER_FULL 0x2806
1277#define VMX_VMCS64_GUEST_EFER_HIGH 0x2807
1278#define VMX_VMCS64_GUEST_PERF_GLOBAL_CTRL_FULL 0x2808 /**< MSR IA32_PERF_GLOBAL_CTRL */
1279#define VMX_VMCS64_GUEST_PERF_GLOBAL_CTRL_HIGH 0x2809 /**< MSR IA32_PERF_GLOBAL_CTRL */
1280#define VMX_VMCS64_GUEST_PDPTE0_FULL 0x280A
1281#define VMX_VMCS64_GUEST_PDPTE0_HIGH 0x280B
1282#define VMX_VMCS64_GUEST_PDPTE1_FULL 0x280C
1283#define VMX_VMCS64_GUEST_PDPTE1_HIGH 0x280D
1284#define VMX_VMCS64_GUEST_PDPTE2_FULL 0x280E
1285#define VMX_VMCS64_GUEST_PDPTE2_HIGH 0x280F
1286#define VMX_VMCS64_GUEST_PDPTE3_FULL 0x2810
1287#define VMX_VMCS64_GUEST_PDPTE3_HIGH 0x2811
1288/** @} */
1289
1290
1291/** @name VMCS field encoding - 32 Bits control fields
1292 * @{
1293 */
1294#define VMX_VMCS32_CTRL_PIN_EXEC 0x4000
1295#define VMX_VMCS32_CTRL_PROC_EXEC 0x4002
1296#define VMX_VMCS32_CTRL_EXCEPTION_BITMAP 0x4004
1297#define VMX_VMCS32_CTRL_PAGEFAULT_ERROR_MASK 0x4006
1298#define VMX_VMCS32_CTRL_PAGEFAULT_ERROR_MATCH 0x4008
1299#define VMX_VMCS32_CTRL_CR3_TARGET_COUNT 0x400A
1300#define VMX_VMCS32_CTRL_EXIT 0x400C
1301#define VMX_VMCS32_CTRL_EXIT_MSR_STORE_COUNT 0x400E
1302#define VMX_VMCS32_CTRL_EXIT_MSR_LOAD_COUNT 0x4010
1303#define VMX_VMCS32_CTRL_ENTRY 0x4012
1304#define VMX_VMCS32_CTRL_ENTRY_MSR_LOAD_COUNT 0x4014
1305#define VMX_VMCS32_CTRL_ENTRY_INTERRUPTION_INFO 0x4016
1306#define VMX_VMCS32_CTRL_ENTRY_EXCEPTION_ERRCODE 0x4018
1307#define VMX_VMCS32_CTRL_ENTRY_INSTR_LENGTH 0x401A
1308#define VMX_VMCS32_CTRL_TPR_THRESHOLD 0x401C
1309#define VMX_VMCS32_CTRL_PROC_EXEC2 0x401E
1310/** @} */
1311
1312
1313/** @name VMX_VMCS_CTRL_PIN_EXEC
1314 * @{
1315 */
1316/** External interrupts cause VM-exits if set; otherwise dispatched through the guest's IDT. */
1317#define VMX_VMCS_CTRL_PIN_EXEC_EXT_INT_EXIT RT_BIT(0)
1318/** Non-maskable interrupts cause VM-exits if set; otherwise dispatched through the guest's IDT. */
1319#define VMX_VMCS_CTRL_PIN_EXEC_NMI_EXIT RT_BIT(3)
1320/** Virtual NMIs. */
1321#define VMX_VMCS_CTRL_PIN_EXEC_VIRTUAL_NMI RT_BIT(5)
1322/** Activate VMX preemption timer. */
1323#define VMX_VMCS_CTRL_PIN_EXEC_PREEMPT_TIMER RT_BIT(6)
1324/* All other bits are reserved and must be set according to MSR IA32_VMX_PROCBASED_CTLS. */
1325/** @} */
1326
1327/** @name VMX_VMCS_CTRL_PROC_EXEC
1328 * @{
1329 */
1330/** VM-exit as soon as RFLAGS.IF=1 and no blocking is active. */
1331#define VMX_VMCS_CTRL_PROC_EXEC_INT_WINDOW_EXIT RT_BIT(2)
1332/** Use timestamp counter offset. */
1333#define VMX_VMCS_CTRL_PROC_EXEC_USE_TSC_OFFSETTING RT_BIT(3)
1334/** VM-exit when executing the HLT instruction. */
1335#define VMX_VMCS_CTRL_PROC_EXEC_HLT_EXIT RT_BIT(7)
1336/** VM-exit when executing the INVLPG instruction. */
1337#define VMX_VMCS_CTRL_PROC_EXEC_INVLPG_EXIT RT_BIT(9)
1338/** VM-exit when executing the MWAIT instruction. */
1339#define VMX_VMCS_CTRL_PROC_EXEC_MWAIT_EXIT RT_BIT(10)
1340/** VM-exit when executing the RDPMC instruction. */
1341#define VMX_VMCS_CTRL_PROC_EXEC_RDPMC_EXIT RT_BIT(11)
1342/** VM-exit when executing the RDTSC/RDTSCP instruction. */
1343#define VMX_VMCS_CTRL_PROC_EXEC_RDTSC_EXIT RT_BIT(12)
1344/** VM-exit when executing the MOV to CR3 instruction. (forced to 1 on the 'first' VT-x capable CPUs; this actually includes the newest Nehalem CPUs) */
1345#define VMX_VMCS_CTRL_PROC_EXEC_CR3_LOAD_EXIT RT_BIT(15)
1346/** VM-exit when executing the MOV from CR3 instruction. (forced to 1 on the 'first' VT-x capable CPUs; this actually includes the newest Nehalem CPUs) */
1347#define VMX_VMCS_CTRL_PROC_EXEC_CR3_STORE_EXIT RT_BIT(16)
1348/** VM-exit on CR8 loads. */
1349#define VMX_VMCS_CTRL_PROC_EXEC_CR8_LOAD_EXIT RT_BIT(19)
1350/** VM-exit on CR8 stores. */
1351#define VMX_VMCS_CTRL_PROC_EXEC_CR8_STORE_EXIT RT_BIT(20)
1352/** Use TPR shadow. */
1353#define VMX_VMCS_CTRL_PROC_EXEC_USE_TPR_SHADOW RT_BIT(21)
1354/** VM-exit when virtual NMI blocking is disabled. */
1355#define VMX_VMCS_CTRL_PROC_EXEC_NMI_WINDOW_EXIT RT_BIT(22)
1356/** VM-exit when executing a MOV DRx instruction. */
1357#define VMX_VMCS_CTRL_PROC_EXEC_MOV_DR_EXIT RT_BIT(23)
1358/** VM-exit when executing IO instructions. */
1359#define VMX_VMCS_CTRL_PROC_EXEC_UNCOND_IO_EXIT RT_BIT(24)
1360/** Use IO bitmaps. */
1361#define VMX_VMCS_CTRL_PROC_EXEC_USE_IO_BITMAPS RT_BIT(25)
1362/** Monitor trap flag. */
1363#define VMX_VMCS_CTRL_PROC_EXEC_MONITOR_TRAP_FLAG RT_BIT(27)
1364/** Use MSR bitmaps. */
1365#define VMX_VMCS_CTRL_PROC_EXEC_USE_MSR_BITMAPS RT_BIT(28)
1366/** VM-exit when executing the MONITOR instruction. */
1367#define VMX_VMCS_CTRL_PROC_EXEC_MONITOR_EXIT RT_BIT(29)
1368/** VM-exit when executing the PAUSE instruction. */
1369#define VMX_VMCS_CTRL_PROC_EXEC_PAUSE_EXIT RT_BIT(30)
1370/** Determines whether the secondary processor based VM-execution controls are used. */
1371#define VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL RT_BIT(31)
1372/** @} */
1373
1374/** @name VMX_VMCS_CTRL_PROC_EXEC2
1375 * @{
1376 */
1377/** Virtualize APIC access. */
1378#define VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC RT_BIT(0)
1379/** EPT supported/enabled. */
1380#define VMX_VMCS_CTRL_PROC_EXEC2_EPT RT_BIT(1)
1381/** Descriptor table instructions cause VM-exits. */
1382#define VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_TABLE_EXIT RT_BIT(2)
1383/** RDTSCP supported/enabled. */
1384#define VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP RT_BIT(3)
1385/** Virtualize x2APIC mode. */
1386#define VMX_VMCS_CTRL_PROC_EXEC2_VIRT_X2APIC RT_BIT(4)
1387/** VPID supported/enabled. */
1388#define VMX_VMCS_CTRL_PROC_EXEC2_VPID RT_BIT(5)
1389/** VM-exit when executing the WBINVD instruction. */
1390#define VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT RT_BIT(6)
1391/** Unrestricted guest execution. */
1392#define VMX_VMCS_CTRL_PROC_EXEC2_UNRESTRICTED_GUEST RT_BIT(7)
1393/** A specified nr of pause loops cause a VM-exit. */
1394#define VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT RT_BIT(10)
1395/** VM-exit when executing RDRAND instructions. */
1396#define VMX_VMCS_CTRL_PROC_EXEC2_RDRAND_EXIT RT_BIT(11)
1397/** Enables INVPCID instructions. */
1398#define VMX_VMCS_CTRL_PROC_EXEC2_INVPCID RT_BIT(12)
1399/** Enables VMFUNC instructions. */
1400#define VMX_VMCS_CTRL_PROC_EXEC2_VMFUNC RT_BIT(13)
1401/** @} */
1402
1403
1404/** @name VMX_VMCS_CTRL_ENTRY
1405 * @{
1406 */
1407/** Load guest debug controls (dr7 & IA32_DEBUGCTL_MSR) (forced to 1 on the 'first' VT-x capable CPUs; this actually includes the newest Nehalem CPUs) */
1408#define VMX_VMCS_CTRL_ENTRY_LOAD_DEBUG RT_BIT(2)
1409/** 64 bits guest mode. Must be 0 for CPUs that don't support AMD64. */
1410#define VMX_VMCS_CTRL_ENTRY_IA32E_MODE_GUEST RT_BIT(9)
1411/** In SMM mode after VM-entry. */
1412#define VMX_VMCS_CTRL_ENTRY_ENTRY_SMM RT_BIT(10)
1413/** Disable dual treatment of SMI and SMM; must be zero for VM-entry outside of SMM. */
1414#define VMX_VMCS_CTRL_ENTRY_DEACTIVATE_DUALMON RT_BIT(11)
1415/** Whether the guest IA32_PERF_GLOBAL_CTRL MSR is loaded on VM-entry. */
1416#define VMX_VMCS_CTRL_ENTRY_LOAD_GUEST_PERF_MSR RT_BIT(13)
1417/** Whether the guest IA32_PAT MSR is loaded on VM-entry. */
1418#define VMX_VMCS_CTRL_ENTRY_LOAD_GUEST_PAT_MSR RT_BIT(14)
1419/** Whether the guest IA32_EFER MSR is loaded on VM-entry. */
1420#define VMX_VMCS_CTRL_ENTRY_LOAD_GUEST_EFER_MSR RT_BIT(15)
1421/** @} */
1422
1423
1424/** @name VMX_VMCS_CTRL_EXIT
1425 * @{
1426 */
1427/** Save guest debug controls (dr7 & IA32_DEBUGCTL_MSR) (forced to 1 on the 'first' VT-x capable CPUs; this actually includes the newest Nehalem CPUs) */
1428#define VMX_VMCS_CTRL_EXIT_SAVE_DEBUG RT_BIT(2)
1429/** Return to long mode after a VM-exit. */
1430#define VMX_VMCS_CTRL_EXIT_HOST_ADDR_SPACE_SIZE RT_BIT(9)
1431/** Whether the IA32_PERF_GLOBAL_CTRL MSR is loaded on VM-exit. */
1432#define VMX_VMCS_CTRL_EXIT_LOAD_PERF_MSR RT_BIT(12)
1433/** Acknowledge external interrupts with the irq controller if one caused a VM-exit. */
1434#define VMX_VMCS_CTRL_EXIT_ACK_EXT_INT RT_BIT(15)
1435/** Whether the guest IA32_PAT MSR is saved on VM-exit. */
1436#define VMX_VMCS_CTRL_EXIT_SAVE_GUEST_PAT_MSR RT_BIT(18)
1437/** Whether the host IA32_PAT MSR is loaded on VM-exit. */
1438#define VMX_VMCS_CTRL_EXIT_LOAD_HOST_PAT_MSR RT_BIT(19)
1439/** Whether the guest IA32_EFER MSR is saved on VM-exit. */
1440#define VMX_VMCS_CTRL_EXIT_SAVE_GUEST_EFER_MSR RT_BIT(20)
1441/** Whether the host IA32_EFER MSR is loaded on VM-exit. */
1442#define VMX_VMCS_CTRL_EXIT_LOAD_HOST_EFER_MSR RT_BIT(21)
1443/** Whether the value of the VMX preemption timer is saved on every VM-exit. */
1444#define VMX_VMCS_CTRL_EXIT_SAVE_VMX_PREEMPT_TIMER RT_BIT(22)
1445/** @} */
1446
1447
1448/** @name VMX_VMCS_CTRL_VMFUNC
1449 * @{
1450 */
1451/** EPTP-switching function changes the value of the EPTP to one chosen from the EPTP list. */
1452#define VMX_VMCS_CTRL_VMFUNC_EPTP_SWITCHING RT_BIT_64(0)
1453/** @} */
1454
1455
1456/** @name VMCS field encoding - 32 Bits read-only fields
1457 * @{
1458 */
1459#define VMX_VMCS32_RO_VM_INSTR_ERROR 0x4400
1460#define VMX_VMCS32_RO_EXIT_REASON 0x4402
1461#define VMX_VMCS32_RO_EXIT_INTERRUPTION_INFO 0x4404
1462#define VMX_VMCS32_RO_EXIT_INTERRUPTION_ERROR_CODE 0x4406
1463#define VMX_VMCS32_RO_IDT_INFO 0x4408
1464#define VMX_VMCS32_RO_IDT_ERROR_CODE 0x440A
1465#define VMX_VMCS32_RO_EXIT_INSTR_LENGTH 0x440C
1466#define VMX_VMCS32_RO_EXIT_INSTR_INFO 0x440E
1467/** @} */
1468
1469/** @name VMX_VMCS32_RO_EXIT_REASON
1470 * @{
1471 */
1472#define VMX_EXIT_REASON_BASIC(a) ((a) & 0xffff)
1473/** @} */
1474
1475/** @name VMX_VMCS32_CTRL_ENTRY_INTERRUPTION_INFO
1476 * @{
1477 */
1478#define VMX_ENTRY_INTERRUPTION_INFO_IS_VALID(a) RT_BOOL((a) & RT_BIT(31))
1479#define VMX_ENTRY_INTERRUPTION_INFO_TYPE_SHIFT 8
1480#define VMX_ENTRY_INTERRUPTION_INFO_TYPE(a) ((a >> VMX_ENTRY_INTERRUPTION_INFO_TYPE_SHIFT) & 7)
1481/** @} */
1482
1483
1484/** @name VMX_VMCS32_RO_EXIT_INTERRUPTION_INFO
1485 * @{
1486 */
1487#define VMX_EXIT_INTERRUPTION_INFO_VECTOR(a) ((a) & 0xff)
1488#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SHIFT 8
1489#define VMX_EXIT_INTERRUPTION_INFO_TYPE(a) (((a) >> VMX_EXIT_INTERRUPTION_INFO_TYPE_SHIFT) & 7)
1490#define VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_VALID RT_BIT(11)
1491#define VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_IS_VALID(a) RT_BOOL((a) & VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_VALID)
1492#define VMX_EXIT_INTERRUPTION_INFO_NMI_UNBLOCK_IRET(a) ((a) & RT_BIT(12))
1493#define VMX_EXIT_INTERRUPTION_INFO_VALID RT_BIT(31)
1494#define VMX_EXIT_INTERRUPTION_INFO_IS_VALID(a) RT_BOOL((a) & RT_BIT(31))
1495/** Construct an irq event injection value from the exit interruption info value (same except that bit 12 is reserved). */
1496#define VMX_VMCS_CTRL_ENTRY_IRQ_INFO_FROM_EXIT_INT_INFO(a) ((a) & ~RT_BIT(12))
1497/** @} */
1498
1499/** @name VMX_VMCS_RO_EXIT_INTERRUPTION_INFO_TYPE
1500 * @{
1501 */
1502#define VMX_EXIT_INTERRUPTION_INFO_TYPE_EXT_INT 0
1503#define VMX_EXIT_INTERRUPTION_INFO_TYPE_NMI 2
1504#define VMX_EXIT_INTERRUPTION_INFO_TYPE_HW_XCPT 3
1505#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SW_INT 4
1506#define VMX_EXIT_INTERRUPTION_INFO_TYPE_PRIV_SW_XCPT 5
1507#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SW_XCPT 6
1508/** @} */
1509
1510/** @name VMX_VMCS32_RO_IDT_VECTORING_INFO
1511 * @{
1512 */
1513#define VMX_IDT_VECTORING_INFO_VECTOR(a) ((a) & 0xff)
1514#define VMX_IDT_VECTORING_INFO_TYPE_SHIFT 8
1515#define VMX_IDT_VECTORING_INFO_TYPE(a) (((a) >> VMX_IDT_VECTORING_INFO_TYPE_SHIFT) & 7)
1516#define VMX_IDT_VECTORING_INFO_ERROR_CODE_VALID RT_BIT(11)
1517#define VMX_IDT_VECTORING_INFO_ERROR_CODE_IS_VALID(a) RT_BOOL((a) & VMX_IDT_VECTORING_INFO_ERROR_CODE_VALID)
1518#define VMX_IDT_VECTORING_INFO_VALID(a) ((a) & RT_BIT(31))
1519#define VMX_ENTRY_INT_INFO_FROM_EXIT_IDT_INFO(a) ((a) & ~RT_BIT(12))
1520/** @} */
1521
1522/** @name VMX_VMCS_RO_IDT_VECTORING_INFO_TYPE
1523 * @{
1524 */
1525#define VMX_IDT_VECTORING_INFO_TYPE_EXT_INT 0
1526#define VMX_IDT_VECTORING_INFO_TYPE_NMI 2
1527#define VMX_IDT_VECTORING_INFO_TYPE_HW_XCPT 3
1528#define VMX_IDT_VECTORING_INFO_TYPE_SW_INT 4
1529#define VMX_IDT_VECTORING_INFO_TYPE_PRIV_SW_XCPT 5
1530#define VMX_IDT_VECTORING_INFO_TYPE_SW_XCPT 6
1531/** @} */
1532
1533
1534/** @name VMCS field encoding - 32 Bits guest state fields
1535 * @{
1536 */
1537#define VMX_VMCS32_GUEST_ES_LIMIT 0x4800
1538#define VMX_VMCS32_GUEST_CS_LIMIT 0x4802
1539#define VMX_VMCS32_GUEST_SS_LIMIT 0x4804
1540#define VMX_VMCS32_GUEST_DS_LIMIT 0x4806
1541#define VMX_VMCS32_GUEST_FS_LIMIT 0x4808
1542#define VMX_VMCS32_GUEST_GS_LIMIT 0x480A
1543#define VMX_VMCS32_GUEST_LDTR_LIMIT 0x480C
1544#define VMX_VMCS32_GUEST_TR_LIMIT 0x480E
1545#define VMX_VMCS32_GUEST_GDTR_LIMIT 0x4810
1546#define VMX_VMCS32_GUEST_IDTR_LIMIT 0x4812
1547#define VMX_VMCS32_GUEST_ES_ACCESS_RIGHTS 0x4814
1548#define VMX_VMCS32_GUEST_CS_ACCESS_RIGHTS 0x4816
1549#define VMX_VMCS32_GUEST_SS_ACCESS_RIGHTS 0x4818
1550#define VMX_VMCS32_GUEST_DS_ACCESS_RIGHTS 0x481A
1551#define VMX_VMCS32_GUEST_FS_ACCESS_RIGHTS 0x481C
1552#define VMX_VMCS32_GUEST_GS_ACCESS_RIGHTS 0x481E
1553#define VMX_VMCS32_GUEST_LDTR_ACCESS_RIGHTS 0x4820
1554#define VMX_VMCS32_GUEST_TR_ACCESS_RIGHTS 0x4822
1555#define VMX_VMCS32_GUEST_INTERRUPTIBILITY_STATE 0x4824
1556#define VMX_VMCS32_GUEST_ACTIVITY_STATE 0x4826
1557#define VMX_VMCS32_GUEST_SYSENTER_CS 0x482A /**< MSR IA32_SYSENTER_CS */
1558#define VMX_VMCS32_GUEST_PREEMPT_TIMER_VALUE 0x482E
1559/** @} */
1560
1561
1562/** @name VMX_VMCS_GUEST_ACTIVITY_STATE
1563 * @{
1564 */
1565/** The logical processor is active. */
1566#define VMX_VMCS_GUEST_ACTIVITY_ACTIVE 0x0
1567/** The logical processor is inactive, because executed a HLT instruction. */
1568#define VMX_VMCS_GUEST_ACTIVITY_HLT 0x1
1569/** The logical processor is inactive, because of a triple fault or other serious error. */
1570#define VMX_VMCS_GUEST_ACTIVITY_SHUTDOWN 0x2
1571/** The logical processor is inactive, because it's waiting for a startup-IPI */
1572#define VMX_VMCS_GUEST_ACTIVITY_SIPI_WAIT 0x3
1573/** @} */
1574
1575
1576/** @name VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE
1577 * @{
1578 */
1579#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_STI RT_BIT(0)
1580#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_MOVSS RT_BIT(1)
1581#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_SMI RT_BIT(2)
1582#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_NMI RT_BIT(3)
1583/** @} */
1584
1585
1586/** @name VMCS field encoding - 32 Bits host state fields
1587 * @{
1588 */
1589#define VMX_VMCS32_HOST_SYSENTER_CS 0x4C00
1590/** @} */
1591
1592/** @name Natural width control fields
1593 * @{
1594 */
1595#define VMX_VMCS_CTRL_CR0_MASK 0x6000
1596#define VMX_VMCS_CTRL_CR4_MASK 0x6002
1597#define VMX_VMCS_CTRL_CR0_READ_SHADOW 0x6004
1598#define VMX_VMCS_CTRL_CR4_READ_SHADOW 0x6006
1599#define VMX_VMCS_CTRL_CR3_TARGET_VAL0 0x6008
1600#define VMX_VMCS_CTRL_CR3_TARGET_VAL1 0x600A
1601#define VMX_VMCS_CTRL_CR3_TARGET_VAL2 0x600C
1602#define VMX_VMCS_CTRL_CR3_TARGET_VAL31 0x600E
1603/** @} */
1604
1605
1606/** @name Natural width read-only data fields
1607 * @{
1608 */
1609#define VMX_VMCS_RO_EXIT_QUALIFICATION 0x6400
1610#define VMX_VMCS_RO_IO_RCX 0x6402
1611#define VMX_VMCS_RO_IO_RSX 0x6404
1612#define VMX_VMCS_RO_IO_RDI 0x6406
1613#define VMX_VMCS_RO_IO_RIP 0x6408
1614#define VMX_VMCS_RO_EXIT_GUEST_LINEAR_ADDR 0x640A
1615/** @} */
1616
1617
1618/** @name VMX_VMCS_RO_EXIT_QUALIFICATION
1619 * @{
1620 */
1621/** 0-2: Debug register number */
1622#define VMX_EXIT_QUALIFICATION_DRX_REGISTER(a) ((a) & 7)
1623/** 3: Reserved; cleared to 0. */
1624#define VMX_EXIT_QUALIFICATION_DRX_RES1(a) (((a) >> 3) & 1)
1625/** 4: Direction of move (0 = write, 1 = read) */
1626#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION(a) (((a) >> 4) & 1)
1627/** 5-7: Reserved; cleared to 0. */
1628#define VMX_EXIT_QUALIFICATION_DRX_RES2(a) (((a) >> 5) & 7)
1629/** 8-11: General purpose register number. */
1630#define VMX_EXIT_QUALIFICATION_DRX_GENREG(a) (((a) >> 8) & 0xF)
1631/** Rest: reserved. */
1632/** @} */
1633
1634/** @name VMX_EXIT_QUALIFICATION_DRX_DIRECTION values
1635 * @{
1636 */
1637#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION_WRITE 0
1638#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION_READ 1
1639/** @} */
1640
1641
1642
1643/** @name CRx accesses
1644 * @{
1645 */
1646/** 0-3: Control register number (0 for CLTS & LMSW) */
1647#define VMX_EXIT_QUALIFICATION_CRX_REGISTER(a) ((a) & 0xF)
1648/** 4-5: Access type. */
1649#define VMX_EXIT_QUALIFICATION_CRX_ACCESS(a) (((a) >> 4) & 3)
1650/** 6: LMSW operand type */
1651#define VMX_EXIT_QUALIFICATION_CRX_LMSW_OP(a) (((a) >> 6) & 1)
1652/** 7: Reserved; cleared to 0. */
1653#define VMX_EXIT_QUALIFICATION_CRX_RES1(a) (((a) >> 7) & 1)
1654/** 8-11: General purpose register number (0 for CLTS & LMSW). */
1655#define VMX_EXIT_QUALIFICATION_CRX_GENREG(a) (((a) >> 8) & 0xF)
1656/** 12-15: Reserved; cleared to 0. */
1657#define VMX_EXIT_QUALIFICATION_CRX_RES2(a) (((a) >> 12) & 0xF)
1658/** 16-31: LMSW source data (else 0). */
1659#define VMX_EXIT_QUALIFICATION_CRX_LMSW_DATA(a) (((a) >> 16) & 0xFFFF)
1660/** Rest: reserved. */
1661/** @} */
1662
1663/** @name VMX_EXIT_QUALIFICATION_CRX_ACCESS
1664 * @{
1665 */
1666#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_WRITE 0
1667#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_READ 1
1668#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_CLTS 2
1669#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_LMSW 3
1670/** @} */
1671
1672/** @name VMX_EXIT_QUALIFICATION_TASK_SWITCH
1673 * @{
1674 */
1675#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_SELECTOR(a) ((a) & 0xffff)
1676#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE(a) (((a) >> 30) & 0x3)
1677/** Task switch caused by a call instruction. */
1678#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_CALL 0
1679/** Task switch caused by an iret instruction. */
1680#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_IRET 1
1681/** Task switch caused by a jmp instruction. */
1682#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_JMP 2
1683/** Task switch caused by an interrupt gate. */
1684#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_IDT 3
1685/** @} */
1686
1687
1688/** @name VMX_EXIT_EPT_VIOLATION
1689 * @{
1690 */
1691/** Set if the violation was caused by a data read. */
1692#define VMX_EXIT_QUALIFICATION_EPT_DATA_READ RT_BIT(0)
1693/** Set if the violation was caused by a data write. */
1694#define VMX_EXIT_QUALIFICATION_EPT_DATA_WRITE RT_BIT(1)
1695/** Set if the violation was caused by an insruction fetch. */
1696#define VMX_EXIT_QUALIFICATION_EPT_INSTR_FETCH RT_BIT(2)
1697/** AND of the present bit of all EPT structures. */
1698#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_PRESENT RT_BIT(3)
1699/** AND of the write bit of all EPT structures. */
1700#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_WRITE RT_BIT(4)
1701/** AND of the execute bit of all EPT structures. */
1702#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_EXECUTE RT_BIT(5)
1703/** Set if the guest linear address field contains the faulting address. */
1704#define VMX_EXIT_QUALIFICATION_EPT_GUEST_ADDR_VALID RT_BIT(7)
1705/** If bit 7 is one: (reserved otherwise)
1706 * 1 - violation due to physical address access.
1707 * 0 - violation caused by page walk or access/dirty bit updates
1708 */
1709#define VMX_EXIT_QUALIFICATION_EPT_TRANSLATED_ACCESS RT_BIT(8)
1710/** @} */
1711
1712
1713/** @name VMX_EXIT_PORT_IO
1714 * @{
1715 */
1716/** 0-2: IO operation width. */
1717#define VMX_EXIT_QUALIFICATION_IO_WIDTH(a) ((a) & 7)
1718/** 3: IO operation direction. */
1719#define VMX_EXIT_QUALIFICATION_IO_DIRECTION(a) (((a) >> 3) & 1)
1720/** 4: String IO operation (INS / OUTS). */
1721#define VMX_EXIT_QUALIFICATION_IO_IS_STRING(a) RT_BOOL((a) & RT_BIT_64(4))
1722/** 5: Repeated IO operation. */
1723#define VMX_EXIT_QUALIFICATION_IO_IS_REP(a) RT_BOOL((a) & RT_BIT_64(5))
1724/** 6: Operand encoding. */
1725#define VMX_EXIT_QUALIFICATION_IO_ENCODING(a) (((a) >> 6) & 1)
1726/** 16-31: IO Port (0-0xffff). */
1727#define VMX_EXIT_QUALIFICATION_IO_PORT(a) (((a) >> 16) & 0xffff)
1728/* Rest reserved. */
1729/** @} */
1730
1731/** @name VMX_EXIT_QUALIFICATION_IO_DIRECTION
1732 * @{
1733 */
1734#define VMX_EXIT_QUALIFICATION_IO_DIRECTION_OUT 0
1735#define VMX_EXIT_QUALIFICATION_IO_DIRECTION_IN 1
1736/** @} */
1737
1738
1739/** @name VMX_EXIT_QUALIFICATION_IO_ENCODING
1740 * @{
1741 */
1742#define VMX_EXIT_QUALIFICATION_IO_ENCODING_DX 0
1743#define VMX_EXIT_QUALIFICATION_IO_ENCODING_IMM 1
1744/** @} */
1745
1746/** @name VMX_EXIT_APIC_ACCESS
1747 * @{
1748 */
1749/** 0-11: If the APIC-access VM-exit is due to a linear access, the offset of access within the APIC page. */
1750#define VMX_EXIT_QUALIFICATION_APIC_ACCESS_OFFSET(a) ((a) & 0xfff)
1751/** 12-15: Access type. */
1752#define VMX_EXIT_QUALIFICATION_APIC_ACCESS_TYPE(a) ((a) & 0xf000)
1753/* Rest reserved. */
1754/** @} */
1755
1756
1757/** @name VMX_EXIT_QUALIFICATION_APIC_ACCESS_TYPE; access types
1758 * @{
1759 */
1760/** Linear read access. */
1761#define VMX_APIC_ACCESS_TYPE_LINEAR_READ 0
1762/** Linear write access. */
1763#define VMX_APIC_ACCESS_TYPE_LINEAR_WRITE 1
1764/** Linear instruction fetch access. */
1765#define VMX_APIC_ACCESS_TYPE_LINEAR_INSTR_FETCH 2
1766/** Linear read/write access during event delivery. */
1767#define VMX_APIC_ACCESS_TYPE_LINEAR_EVENT_DELIVERY 3
1768/** Physical read/write access during event delivery. */
1769#define VMX_APIC_ACCESS_TYPE_PHYSICAL_EVENT_DELIVERY 10
1770/** Physical access for an instruction fetch or during instruction execution. */
1771#define VMX_APIC_ACCESS_TYPE_PHYSICAL_INSTR 15
1772/** @} */
1773
1774/** @} */
1775
1776/** @name VMCS field encoding - Natural width guest state fields
1777 * @{
1778 */
1779#define VMX_VMCS_GUEST_CR0 0x6800
1780#define VMX_VMCS_GUEST_CR3 0x6802
1781#define VMX_VMCS_GUEST_CR4 0x6804
1782#define VMX_VMCS_GUEST_ES_BASE 0x6806
1783#define VMX_VMCS_GUEST_CS_BASE 0x6808
1784#define VMX_VMCS_GUEST_SS_BASE 0x680A
1785#define VMX_VMCS_GUEST_DS_BASE 0x680C
1786#define VMX_VMCS_GUEST_FS_BASE 0x680E
1787#define VMX_VMCS_GUEST_GS_BASE 0x6810
1788#define VMX_VMCS_GUEST_LDTR_BASE 0x6812
1789#define VMX_VMCS_GUEST_TR_BASE 0x6814
1790#define VMX_VMCS_GUEST_GDTR_BASE 0x6816
1791#define VMX_VMCS_GUEST_IDTR_BASE 0x6818
1792#define VMX_VMCS_GUEST_DR7 0x681A
1793#define VMX_VMCS_GUEST_RSP 0x681C
1794#define VMX_VMCS_GUEST_RIP 0x681E
1795#define VMX_VMCS_GUEST_RFLAGS 0x6820
1796#define VMX_VMCS_GUEST_PENDING_DEBUG_EXCEPTIONS 0x6822
1797#define VMX_VMCS_GUEST_SYSENTER_ESP 0x6824 /**< MSR IA32_SYSENTER_ESP */
1798#define VMX_VMCS_GUEST_SYSENTER_EIP 0x6826 /**< MSR IA32_SYSENTER_EIP */
1799/** @} */
1800
1801
1802/** @name VMX_VMCS_GUEST_DEBUG_EXCEPTIONS
1803 * @{
1804 */
1805/** Hardware breakpoint 0 was met. */
1806#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B0 RT_BIT(0)
1807/** Hardware breakpoint 1 was met. */
1808#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B1 RT_BIT(1)
1809/** Hardware breakpoint 2 was met. */
1810#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B2 RT_BIT(2)
1811/** Hardware breakpoint 3 was met. */
1812#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B3 RT_BIT(3)
1813/** At least one data or IO breakpoint was hit. */
1814#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BREAKPOINT_ENABLED RT_BIT(12)
1815/** A debug exception would have been triggered by single-step execution mode. */
1816#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BS RT_BIT(14)
1817/** Bits 4-11, 13 and 15-63 are reserved. */
1818
1819/** @} */
1820
1821/** @name VMCS field encoding - Natural width host state fields
1822 * @{
1823 */
1824#define VMX_VMCS_HOST_CR0 0x6C00
1825#define VMX_VMCS_HOST_CR3 0x6C02
1826#define VMX_VMCS_HOST_CR4 0x6C04
1827#define VMX_VMCS_HOST_FS_BASE 0x6C06
1828#define VMX_VMCS_HOST_GS_BASE 0x6C08
1829#define VMX_VMCS_HOST_TR_BASE 0x6C0A
1830#define VMX_VMCS_HOST_GDTR_BASE 0x6C0C
1831#define VMX_VMCS_HOST_IDTR_BASE 0x6C0E
1832#define VMX_VMCS_HOST_SYSENTER_ESP 0x6C10
1833#define VMX_VMCS_HOST_SYSENTER_EIP 0x6C12
1834#define VMX_VMCS_HOST_RSP 0x6C14
1835#define VMX_VMCS_HOST_RIP 0x6C16
1836/** @} */
1837
1838/** @} */
1839
1840
1841/** @defgroup grp_vmx_asm vmx assembly helpers
1842 * @ingroup grp_vmx
1843 * @{
1844 */
1845
1846/**
1847 * Restores some host-state fields that need not be done on every VM-exit.
1848 *
1849 * @returns VBox status code.
1850 * @param fRestoreHostFlags Flags of which host registers needs to be
1851 * restored.
1852 * @param pRestoreHost Pointer to the host-restore structure.
1853 */
1854DECLASM(int) VMXRestoreHostState(uint32_t fRestoreHostFlags, PVMXRESTOREHOST pRestoreHost);
1855
1856
1857/**
1858 * Dispatches an NMI to the host.
1859 */
1860DECLASM(int) VMXDispatchHostNmi(void);
1861
1862
1863/**
1864 * Executes VMXON
1865 *
1866 * @returns VBox status code
1867 * @param pVMXOn Physical address of VMXON structure
1868 */
1869#if ((RT_INLINE_ASM_EXTERNAL || !defined(RT_ARCH_X86)) && !VMX_USE_MSC_INTRINSICS) || defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
1870DECLASM(int) VMXEnable(RTHCPHYS pVMXOn);
1871#else
1872DECLINLINE(int) VMXEnable(RTHCPHYS pVMXOn)
1873{
1874# if RT_INLINE_ASM_GNU_STYLE
1875 int rc = VINF_SUCCESS;
1876 __asm__ __volatile__ (
1877 "push %3 \n\t"
1878 "push %2 \n\t"
1879 ".byte 0xF3, 0x0F, 0xC7, 0x34, 0x24 # VMXON [esp] \n\t"
1880 "ja 2f \n\t"
1881 "je 1f \n\t"
1882 "movl $" RT_XSTR(VERR_VMX_INVALID_VMXON_PTR)", %0 \n\t"
1883 "jmp 2f \n\t"
1884 "1: \n\t"
1885 "movl $" RT_XSTR(VERR_VMX_VMXON_FAILED)", %0 \n\t"
1886 "2: \n\t"
1887 "add $8, %%esp \n\t"
1888 :"=rm"(rc)
1889 :"0"(VINF_SUCCESS),
1890 "ir"((uint32_t)pVMXOn), /* don't allow direct memory reference here, */
1891 "ir"((uint32_t)(pVMXOn >> 32)) /* this would not work with -fomit-frame-pointer */
1892 :"memory"
1893 );
1894 return rc;
1895
1896# elif VMX_USE_MSC_INTRINSICS
1897 unsigned char rcMsc = __vmx_on(&pVMXOn);
1898 if (RT_LIKELY(rcMsc == 0))
1899 return VINF_SUCCESS;
1900 return rcMsc == 2 ? VERR_VMX_INVALID_VMXON_PTR : VERR_VMX_VMXON_FAILED;
1901
1902# else
1903 int rc = VINF_SUCCESS;
1904 __asm
1905 {
1906 push dword ptr [pVMXOn+4]
1907 push dword ptr [pVMXOn]
1908 _emit 0xF3
1909 _emit 0x0F
1910 _emit 0xC7
1911 _emit 0x34
1912 _emit 0x24 /* VMXON [esp] */
1913 jnc vmxon_good
1914 mov dword ptr [rc], VERR_VMX_INVALID_VMXON_PTR
1915 jmp the_end
1916
1917vmxon_good:
1918 jnz the_end
1919 mov dword ptr [rc], VERR_VMX_VMXON_FAILED
1920the_end:
1921 add esp, 8
1922 }
1923 return rc;
1924# endif
1925}
1926#endif
1927
1928
1929/**
1930 * Executes VMXOFF
1931 */
1932#if ((RT_INLINE_ASM_EXTERNAL || !defined(RT_ARCH_X86)) && !VMX_USE_MSC_INTRINSICS) || defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
1933DECLASM(void) VMXDisable(void);
1934#else
1935DECLINLINE(void) VMXDisable(void)
1936{
1937# if RT_INLINE_ASM_GNU_STYLE
1938 __asm__ __volatile__ (
1939 ".byte 0x0F, 0x01, 0xC4 # VMXOFF \n\t"
1940 );
1941
1942# elif VMX_USE_MSC_INTRINSICS
1943 __vmx_off();
1944
1945# else
1946 __asm
1947 {
1948 _emit 0x0F
1949 _emit 0x01
1950 _emit 0xC4 /* VMXOFF */
1951 }
1952# endif
1953}
1954#endif
1955
1956
1957/**
1958 * Executes VMCLEAR
1959 *
1960 * @returns VBox status code
1961 * @param pVMCS Physical address of VM control structure
1962 */
1963#if ((RT_INLINE_ASM_EXTERNAL || !defined(RT_ARCH_X86)) && !VMX_USE_MSC_INTRINSICS) || defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
1964DECLASM(int) VMXClearVmcs(RTHCPHYS pVMCS);
1965#else
1966DECLINLINE(int) VMXClearVmcs(RTHCPHYS pVMCS)
1967{
1968# if RT_INLINE_ASM_GNU_STYLE
1969 int rc = VINF_SUCCESS;
1970 __asm__ __volatile__ (
1971 "push %3 \n\t"
1972 "push %2 \n\t"
1973 ".byte 0x66, 0x0F, 0xC7, 0x34, 0x24 # VMCLEAR [esp] \n\t"
1974 "jnc 1f \n\t"
1975 "movl $" RT_XSTR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1976 "1: \n\t"
1977 "add $8, %%esp \n\t"
1978 :"=rm"(rc)
1979 :"0"(VINF_SUCCESS),
1980 "ir"((uint32_t)pVMCS), /* don't allow direct memory reference here, */
1981 "ir"((uint32_t)(pVMCS >> 32)) /* this would not work with -fomit-frame-pointer */
1982 :"memory"
1983 );
1984 return rc;
1985
1986# elif VMX_USE_MSC_INTRINSICS
1987 unsigned char rcMsc = __vmx_vmclear(&pVMCS);
1988 if (RT_LIKELY(rcMsc == 0))
1989 return VINF_SUCCESS;
1990 return VERR_VMX_INVALID_VMCS_PTR;
1991
1992# else
1993 int rc = VINF_SUCCESS;
1994 __asm
1995 {
1996 push dword ptr [pVMCS+4]
1997 push dword ptr [pVMCS]
1998 _emit 0x66
1999 _emit 0x0F
2000 _emit 0xC7
2001 _emit 0x34
2002 _emit 0x24 /* VMCLEAR [esp] */
2003 jnc success
2004 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
2005success:
2006 add esp, 8
2007 }
2008 return rc;
2009# endif
2010}
2011#endif
2012
2013
2014/**
2015 * Executes VMPTRLD
2016 *
2017 * @returns VBox status code
2018 * @param pVMCS Physical address of VMCS structure
2019 */
2020#if ((RT_INLINE_ASM_EXTERNAL || !defined(RT_ARCH_X86)) && !VMX_USE_MSC_INTRINSICS) || defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
2021DECLASM(int) VMXActivateVmcs(RTHCPHYS pVMCS);
2022#else
2023DECLINLINE(int) VMXActivateVmcs(RTHCPHYS pVMCS)
2024{
2025# if RT_INLINE_ASM_GNU_STYLE
2026 int rc = VINF_SUCCESS;
2027 __asm__ __volatile__ (
2028 "push %3 \n\t"
2029 "push %2 \n\t"
2030 ".byte 0x0F, 0xC7, 0x34, 0x24 # VMPTRLD [esp] \n\t"
2031 "jnc 1f \n\t"
2032 "movl $" RT_XSTR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
2033 "1: \n\t"
2034 "add $8, %%esp \n\t"
2035 :"=rm"(rc)
2036 :"0"(VINF_SUCCESS),
2037 "ir"((uint32_t)pVMCS), /* don't allow direct memory reference here, */
2038 "ir"((uint32_t)(pVMCS >> 32)) /* this will not work with -fomit-frame-pointer */
2039 );
2040 return rc;
2041
2042# elif VMX_USE_MSC_INTRINSICS
2043 unsigned char rcMsc = __vmx_vmptrld(&pVMCS);
2044 if (RT_LIKELY(rcMsc == 0))
2045 return VINF_SUCCESS;
2046 return VERR_VMX_INVALID_VMCS_PTR;
2047
2048# else
2049 int rc = VINF_SUCCESS;
2050 __asm
2051 {
2052 push dword ptr [pVMCS+4]
2053 push dword ptr [pVMCS]
2054 _emit 0x0F
2055 _emit 0xC7
2056 _emit 0x34
2057 _emit 0x24 /* VMPTRLD [esp] */
2058 jnc success
2059 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
2060
2061success:
2062 add esp, 8
2063 }
2064 return rc;
2065# endif
2066}
2067#endif
2068
2069/**
2070 * Executes VMPTRST
2071 *
2072 * @returns VBox status code
2073 * @param pVMCS Address that will receive the current pointer
2074 */
2075DECLASM(int) VMXGetActivatedVmcs(RTHCPHYS *pVMCS);
2076
2077/**
2078 * Executes VMWRITE
2079 *
2080 * @returns VBox status code
2081 * @retval VINF_SUCCESS
2082 * @retval VERR_VMX_INVALID_VMCS_PTR
2083 * @retval VERR_VMX_INVALID_VMCS_FIELD
2084 *
2085 * @param idxField VMCS index
2086 * @param u32Val 32 bits value
2087 *
2088 * @remarks The values of the two status codes can be ORed together, the result
2089 * will be VERR_VMX_INVALID_VMCS_PTR.
2090 */
2091#if ((RT_INLINE_ASM_EXTERNAL || !defined(RT_ARCH_X86)) && !VMX_USE_MSC_INTRINSICS) || defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
2092DECLASM(int) VMXWriteVmcs32(uint32_t idxField, uint32_t u32Val);
2093#else
2094DECLINLINE(int) VMXWriteVmcs32(uint32_t idxField, uint32_t u32Val)
2095{
2096# if RT_INLINE_ASM_GNU_STYLE
2097 int rc = VINF_SUCCESS;
2098 __asm__ __volatile__ (
2099 ".byte 0x0F, 0x79, 0xC2 # VMWRITE eax, edx \n\t"
2100 "ja 2f \n\t"
2101 "je 1f \n\t"
2102 "movl $" RT_XSTR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
2103 "jmp 2f \n\t"
2104 "1: \n\t"
2105 "movl $" RT_XSTR(VERR_VMX_INVALID_VMCS_FIELD)", %0 \n\t"
2106 "2: \n\t"
2107 :"=rm"(rc)
2108 :"0"(VINF_SUCCESS),
2109 "a"(idxField),
2110 "d"(u32Val)
2111 );
2112 return rc;
2113
2114# elif VMX_USE_MSC_INTRINSICS
2115 unsigned char rcMsc = __vmx_vmwrite(idxField, u32Val);
2116 if (RT_LIKELY(rcMsc == 0))
2117 return VINF_SUCCESS;
2118 return rcMsc == 2 ? VERR_VMX_INVALID_VMCS_PTR : VERR_VMX_INVALID_VMCS_FIELD;
2119
2120#else
2121 int rc = VINF_SUCCESS;
2122 __asm
2123 {
2124 push dword ptr [u32Val]
2125 mov eax, [idxField]
2126 _emit 0x0F
2127 _emit 0x79
2128 _emit 0x04
2129 _emit 0x24 /* VMWRITE eax, [esp] */
2130 jnc valid_vmcs
2131 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
2132 jmp the_end
2133
2134valid_vmcs:
2135 jnz the_end
2136 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_FIELD
2137the_end:
2138 add esp, 4
2139 }
2140 return rc;
2141# endif
2142}
2143#endif
2144
2145/**
2146 * Executes VMWRITE
2147 *
2148 * @returns VBox status code
2149 * @retval VINF_SUCCESS
2150 * @retval VERR_VMX_INVALID_VMCS_PTR
2151 * @retval VERR_VMX_INVALID_VMCS_FIELD
2152 *
2153 * @param idxField VMCS index
2154 * @param u64Val 16, 32 or 64 bits value
2155 *
2156 * @remarks The values of the two status codes can be ORed together, the result
2157 * will be VERR_VMX_INVALID_VMCS_PTR.
2158 */
2159#if !defined(RT_ARCH_X86) || defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
2160# if !VMX_USE_MSC_INTRINSICS || ARCH_BITS != 64
2161DECLASM(int) VMXWriteVmcs64(uint32_t idxField, uint64_t u64Val);
2162# else /* VMX_USE_MSC_INTRINSICS */
2163DECLINLINE(int) VMXWriteVmcs64(uint32_t idxField, uint64_t u64Val)
2164{
2165 unsigned char rcMsc = __vmx_vmwrite(idxField, u64Val);
2166 if (RT_LIKELY(rcMsc == 0))
2167 return VINF_SUCCESS;
2168 return rcMsc == 2 ? VERR_VMX_INVALID_VMCS_PTR : VERR_VMX_INVALID_VMCS_FIELD;
2169}
2170# endif /* VMX_USE_MSC_INTRINSICS */
2171#else
2172# define VMXWriteVmcs64(idxField, u64Val) VMXWriteVmcs64Ex(pVCpu, idxField, u64Val) /** @todo dead ugly, picking up pVCpu like this */
2173VMMR0DECL(int) VMXWriteVmcs64Ex(PVMCPU pVCpu, uint32_t idxField, uint64_t u64Val);
2174#endif
2175
2176#ifdef VBOX_WITH_HYBRID_32BIT_KERNEL
2177# define VMXWriteVmcsHstN(idxField, uVal) HMVMX_IS_64BIT_HOST_MODE() ? \
2178 VMXWriteVmcs64(idxField, uVal) \
2179 : VMXWriteVmcs32(idxField, uVal)
2180# define VMXWriteVmcsGstN(idxField, u64Val) (pVCpu->CTX_SUFF(pVM)->hm.s.fAllow64BitGuests) ? \
2181 VMXWriteVmcs64(idxField, u64Val) \
2182 : VMXWriteVmcs32(idxField, u64Val)
2183#elif ARCH_BITS == 32
2184# define VMXWriteVmcsHstN VMXWriteVmcs32
2185# define VMXWriteVmcsGstN(idxField, u64Val) VMXWriteVmcs64Ex(pVCpu, idxField, u64Val)
2186# else /* ARCH_BITS == 64 */
2187# define VMXWriteVmcsHstN VMXWriteVmcs64
2188# define VMXWriteVmcsGstN VMXWriteVmcs64
2189# endif
2190
2191
2192/**
2193 * Invalidate a page using invept
2194 * @returns VBox status code
2195 * @param enmFlush Type of flush
2196 * @param pDescriptor Descriptor
2197 */
2198DECLASM(int) VMXR0InvEPT(VMXFLUSHEPT enmFlush, uint64_t *pDescriptor);
2199
2200/**
2201 * Invalidate a page using invvpid
2202 * @returns VBox status code
2203 * @param enmFlush Type of flush
2204 * @param pDescriptor Descriptor
2205 */
2206DECLASM(int) VMXR0InvVPID(VMXFLUSHVPID enmFlush, uint64_t *pDescriptor);
2207
2208/**
2209 * Executes VMREAD
2210 *
2211 * @returns VBox status code
2212 * @retval VINF_SUCCESS
2213 * @retval VERR_VMX_INVALID_VMCS_PTR
2214 * @retval VERR_VMX_INVALID_VMCS_FIELD
2215 *
2216 * @param idxField VMCS index
2217 * @param pData Ptr to store VM field value
2218 *
2219 * @remarks The values of the two status codes can be ORed together, the result
2220 * will be VERR_VMX_INVALID_VMCS_PTR.
2221 */
2222#if ((RT_INLINE_ASM_EXTERNAL || !defined(RT_ARCH_X86)) && !VMX_USE_MSC_INTRINSICS) || defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
2223DECLASM(int) VMXReadVmcs32(uint32_t idxField, uint32_t *pData);
2224#else
2225DECLINLINE(int) VMXReadVmcs32(uint32_t idxField, uint32_t *pData)
2226{
2227# if RT_INLINE_ASM_GNU_STYLE
2228 int rc = VINF_SUCCESS;
2229 __asm__ __volatile__ (
2230 "movl $" RT_XSTR(VINF_SUCCESS)", %0 \n\t"
2231 ".byte 0x0F, 0x78, 0xc2 # VMREAD eax, edx \n\t"
2232 "ja 2f \n\t"
2233 "je 1f \n\t"
2234 "movl $" RT_XSTR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
2235 "jmp 2f \n\t"
2236 "1: \n\t"
2237 "movl $" RT_XSTR(VERR_VMX_INVALID_VMCS_FIELD)", %0 \n\t"
2238 "2: \n\t"
2239 :"=&r"(rc),
2240 "=d"(*pData)
2241 :"a"(idxField),
2242 "d"(0)
2243 );
2244 return rc;
2245
2246# elif VMX_USE_MSC_INTRINSICS
2247 unsigned char rcMsc;
2248# if ARCH_BITS == 32
2249 rcMsc = __vmx_vmread(idxField, pData);
2250# else
2251 uint64_t u64Tmp;
2252 rcMsc = __vmx_vmread(idxField, &u64Tmp);
2253 *pData = (uint32_t)u64Tmp;
2254# endif
2255 if (RT_LIKELY(rcMsc == 0))
2256 return VINF_SUCCESS;
2257 return rcMsc == 2 ? VERR_VMX_INVALID_VMCS_PTR : VERR_VMX_INVALID_VMCS_FIELD;
2258
2259#else
2260 int rc = VINF_SUCCESS;
2261 __asm
2262 {
2263 sub esp, 4
2264 mov dword ptr [esp], 0
2265 mov eax, [idxField]
2266 _emit 0x0F
2267 _emit 0x78
2268 _emit 0x04
2269 _emit 0x24 /* VMREAD eax, [esp] */
2270 mov edx, pData
2271 pop dword ptr [edx]
2272 jnc valid_vmcs
2273 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
2274 jmp the_end
2275
2276valid_vmcs:
2277 jnz the_end
2278 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_FIELD
2279the_end:
2280 }
2281 return rc;
2282# endif
2283}
2284#endif
2285
2286/**
2287 * Executes VMREAD
2288 *
2289 * @returns VBox status code
2290 * @retval VINF_SUCCESS
2291 * @retval VERR_VMX_INVALID_VMCS_PTR
2292 * @retval VERR_VMX_INVALID_VMCS_FIELD
2293 *
2294 * @param idxField VMCS index
2295 * @param pData Ptr to store VM field value
2296 *
2297 * @remarks The values of the two status codes can be ORed together, the result
2298 * will be VERR_VMX_INVALID_VMCS_PTR.
2299 */
2300#if (!defined(RT_ARCH_X86) && !VMX_USE_MSC_INTRINSICS) || defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
2301DECLASM(int) VMXReadVmcs64(uint32_t idxField, uint64_t *pData);
2302#else
2303DECLINLINE(int) VMXReadVmcs64(uint32_t idxField, uint64_t *pData)
2304{
2305# if VMX_USE_MSC_INTRINSICS
2306 unsigned char rcMsc;
2307# if ARCH_BITS == 32
2308 size_t uLow;
2309 size_t uHigh;
2310 rcMsc = __vmx_vmread(idxField, &uLow);
2311 rcMsc |= __vmx_vmread(idxField + 1, &uHigh);
2312 *pData = RT_MAKE_U64(uLow, uHigh);
2313# else
2314 rcMsc = __vmx_vmread(idxField, pData);
2315# endif
2316 if (RT_LIKELY(rcMsc == 0))
2317 return VINF_SUCCESS;
2318 return rcMsc == 2 ? VERR_VMX_INVALID_VMCS_PTR : VERR_VMX_INVALID_VMCS_FIELD;
2319
2320# elif ARCH_BITS == 32
2321 int rc;
2322 uint32_t val_hi, val;
2323 rc = VMXReadVmcs32(idxField, &val);
2324 rc |= VMXReadVmcs32(idxField + 1, &val_hi);
2325 AssertRC(rc);
2326 *pData = RT_MAKE_U64(val, val_hi);
2327 return rc;
2328
2329# else
2330# error "Shouldn't be here..."
2331# endif
2332}
2333#endif
2334
2335/**
2336 * Gets the last instruction error value from the current VMCS
2337 *
2338 * @returns error value
2339 */
2340DECLINLINE(uint32_t) VMXGetLastError(void)
2341{
2342#if ARCH_BITS == 64
2343 uint64_t uLastError = 0;
2344 int rc = VMXReadVmcs64(VMX_VMCS32_RO_VM_INSTR_ERROR, &uLastError);
2345 AssertRC(rc);
2346 return (uint32_t)uLastError;
2347
2348#else /* 32-bit host: */
2349 uint32_t uLastError = 0;
2350 int rc = VMXReadVmcs32(VMX_VMCS32_RO_VM_INSTR_ERROR, &uLastError);
2351 AssertRC(rc);
2352 return uLastError;
2353#endif
2354}
2355
2356#ifdef IN_RING0
2357VMMR0DECL(int) VMXR0InvalidatePage(PVM pVM, PVMCPU pVCpu, RTGCPTR GCVirt);
2358VMMR0DECL(int) VMXR0InvalidatePhysPage(PVM pVM, PVMCPU pVCpu, RTGCPHYS GCPhys);
2359#endif /* IN_RING0 */
2360
2361/** @} */
2362
2363#endif
2364
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